1 2006-12-29 Paolo Bonzini <bonzini@gnu.org>
4 * gcc/Makefile.in (STAGE1_CHECKING): Rename to...
5 (STAGE1_CHECKING_CFLAGS): ... this.
7 2006-12-28 H.J. Lu <hongjiu.lu@intel.com>
9 Backport from mainline:
10 2006-12-02 H.J. Lu <hongjiu.lu@intel.com>
13 * config/i386/driver-i386.c: Include "coretypes.h" and "tm.h".
14 (host_detect_local_cpu): Check -mtune= vs. -march=. Rewrite
17 * config/i386/i386.h (CC1_CPU_SPEC): Add -mtune=native for
18 -march=native if there is no -mtune=*.
20 * config/i386/x-i386 (driver-i386.o): Also depend on $(TM_H)
23 2006-12-27 Ian Lance Taylor <iant@google.com>
26 * dwarf2out.c (gen_type_die): Don't write out a DIE for
27 ENUMERAL_TYPE if it was already written out.
29 2006-12-23 Eric Botcazou <ebotcazou@adacore.com>
31 * dwarf2out.c (dbx_reg_number): Do leaf register remapping
32 only if the function is leaf.
33 (multiple_reg_loc_descriptor): Likewise.
35 2006-12-21 Jakub Jelinek <jakub@redhat.com>
39 * tree-nested.c (walk_asm_expr): New function.
40 (walk_stmts): Use it for ASM_EXPR.
43 * config/ia64/ia64.c (ia64_add_bundle_selector_before): New function.
46 2006-12-17 Matthias Klose <doko@debian.org>
49 * gcc/config/mips/linux.h (SUBTARGET_CPP_SPEC): Extend.
51 2006-12-16 Joseph Myers <joseph@codesourcery.com>
52 David Edelsohn <edelsohn@gnu.org>
55 * doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING,
56 HARD_REGNO_NREGS_WITH_PADDING): Document new target macros.
57 * defaults.h (HARD_REGNO_NREGS_HAS_PADDING,
58 HARD_REGNO_NREGS_WITH_PADDING): Define.
59 * config/i386/i386.h (HARD_REGNO_NREGS_HAS_PADDING,
60 HARD_REGNO_NREGS_WITH_PADDING): Define.
61 * rtlanal.c (subreg_regno_offset, subreg_offset_representable_p):
62 Use new macros to detect modes with holes; do not look at integer
64 (subreg_offset_representable_p): Check for and disallow cases
65 where the modes use different numbers of bits from registers.
66 * config/rs6000/rs6000.c (rs6000_emit_move): Handle TFmode
67 constant for soft-float.
68 (rs6000_hard_regno_nregs): Use UNITS_PER_FP_WORD for e500 GPRs
70 (rs6000_split_multireg_move): Use DFmode reg_mode for TFmode moves
72 * config/rs6000/rs6000.md (movtf): Allow soft-float.
73 (movtf_softfloat): New.
75 2006-12-15 Jakub Jelinek <jakub@redhat.com>
78 * config/rs6000/rs6000.md (div<mode>3): Use correct mode in
81 2006-12-13 Richard Guenther <rguenther@suse.de>
83 * ipa-inline.c (cgraph_flatten_node): Replace leafify with
85 (cgraph_decide_inlining): Likewise.
87 2006-12-13 Richard Guenther <rguenther@suse.de>
89 * ipa-reference.c (scan_for_static_refs): Also scan
90 tcc_comparison class trees.
92 2006-12-12 Daniel Berlin <dberlin@dberlin.org>
94 * tree-ssa-structalias.c (handle_ptr_arith): Return false when we
95 can't handle the pointer arithmetic.
97 2006-12-12 Jakub Jelinek <jakub@redhat.com>
100 * gthr-posix.h (_REENTRANT): Only define if __osf__ is defined.
102 * config/ia64/linux.h (CPP_SPEC): Define.
103 * config/s390/linux.h (CPP_SPEC): Define.
105 2006-12-12 Jim Wilson <wilson@specifix.com>
106 Jakub Jelinek <jakub@redhat.com>
108 PR rtl-optimization/27761
109 * combine.c (try_combine): Don't create a useless garbage SET
110 if PATTERN (i2) is a PARALLEL. If added_sets_1, save
111 PATTERN (i1) resp. SET from i1src to i1dest in i1pat
112 and use it to prevent accidental modification of i1src.
114 2006-12-12 Richard Guenther <rguenther@suse.de>
117 * fold-const.c (fold_read_from_constant_string): Only fold read
118 from constant string if the result type is integer.
120 2006-12-09 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
122 * haifa-sched.c (schedule_block): Remove excessive sanity check.
124 2006-12-08 Mike Stump <mrs@apple.com>
126 * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Build
127 libgcc with -mmacosx-version-min=10.4.
128 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Default to
129 G4 for 10.5+ unless doing kernel builds.
131 2006-12-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
134 * pa.md (high:DI and lo_sum:DI): Handle 64-bit CONST_INTs in 32-bit
135 patterns. Correct length of high:DI instruction sequence.
137 2006-12-07 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
140 * sched-rgn.c (add_block1): Use correct initializer.
142 2006-12-05 H.J. Lu <hongjiu.lu@intel.com>
145 * config.host: Add driver-i386.o only if compiling for x86 or
148 2006-12-04 Jakub Jelinek <jakub@redhat.com>
151 * omp-low.c (expand_omp_for_static_nochunk,
152 expand_omp_for_static_chunk): Do all arithmetics in signed rather than
156 * omp-low.c (determine_parallel_type): Don't try to optimize combined
157 parallels if region->exit or region->inner->exit is NULL.
158 (expand_omp_parallel): Handle NULL region->exit even if cfg is already
160 (expand_omp_for_generic): Handle NULL region->cond and region->exit.
161 (expand_omp_for): Use expand_omp_for_generic if either region->cond
162 or region->exit is NULL.
163 (expand_omp_sections): Handle NULL region->cond or region->exit.
166 2006-12-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
168 * doc/install.texi: Update MPFR prerequisite to version 2.2.1.
170 2006-12-02 Andrew Pinski <pinskia@gmail.com>
173 * tree-ssa-reassoc.c (eliminate_duplicate_pair): Handle MAX_EXPR
176 2006-11-29 Joseph Myers <joseph@codesourcery.com>
178 * config/rs6000/predicates.md (gpc_reg_operand): Check
180 * config/rs6000/rs6000.c (invalid_e500_subreg): Don't allow any
181 SImode subregs of SPE vectors.
182 * config/rs6000/rs6000.md (insv): Fail for invalid E500 subregs.
183 * jump.c (true_regnum): Require subregs to satisfy
184 subreg_offset_representable_p.
186 2006-11-29 Jie Zhang <jie.zhang@analog.com>
188 * doc/tm.texi (NO_PROFILE_COUNTERS): Document more accurately.
190 2006-11-29 Jim Tison <jtison@us.ibm.com>
192 * gthr-tpf.h (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION,
193 __gthread_recursive_mutex_init): Define.
195 2006-11-29 Joseph Myers <joseph@codesourcery.com>
197 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): If
198 STRICT_ALIGNMENT and the type is more aligned than the saved
199 registers, copy via a temporary.
201 2006-11-28 Joseph Myers <joseph@codesourcery.com>
203 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
204 inside start_sequence / end_sequence pair.
206 2006-11-27 Michael Matz <matz@suse.de>
207 Andreas Krebbel <krebbel1@de.ibm.com>
210 * config/s390/predicates.md (larl_operand): Check addend of larl
211 operand to be in range of -/+2GB.
212 * config/s390/s390.c (legitimize_pic_address): Likewise.
213 Changed type of variable even to HOST_WIDE_INT.
215 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
217 * doc/install.texi: Remove documentation for --with-mpfr-dir
218 and --with-gmp-dir, add documentation for --with-mpfr-include,
219 --with-mpfr-lib, --with-gmp-include and --with-gmp-lib.
221 2006-11-25 Andrew Pinski <andrew_pinski@playstation.sony.com>
224 * ipa-pure-const.c (check_tree): If the original tree
225 is volatile return early and say the function is not pure
226 nor const. Remove the volatile check for writes.
227 (analyze_function): Print out the result of the local
230 2006-11-24 Jakub Jelinek <jakub@redhat.com>
233 * c-tree.h (c_maybe_initialize_eh): New prototype.
234 * c-decl.c (finish_decl): Move EH initialization...
235 (c_maybe_initialize_eh): ... here. New function.
236 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
237 if not #pragma omp atomic.
240 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
241 or UNION_TYPE inner types.
243 2006-11-24 Joseph Myers <joseph@codesourcery.com>
245 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
247 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
248 * config/rs6000/rs6000.c (rs6000_override_options): Use
249 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
252 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
254 * config/s390.c (s390_emit_compare_and_swap): New function.
255 (s390_expand_cs_hqi, s390_expand_atomic): Call
256 s390_emit_compare_and_swap.
258 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
260 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
262 2006-11-22 Joseph Myers <joseph@codesourcery.com>
264 * config/rs6000/spe.md (SPE64): New mode macro.
265 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
267 (mov_si<mode>_e500_subreg0_2): New.
268 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
270 (mov_si<mode>_e500_subreg4_2): New.
271 * config/rs6000/predicates.md (input_operand): Do not allow
272 invalid E500 subregs.
273 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
275 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
276 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
277 involving vector modes if TARGET_SPE.
279 2006-11-20 Anatoly Sokolov <aesok@post.ru>
283 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
285 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
287 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
290 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
291 larger than BITS_PER_WORD.
293 2006-11-19 Richard Guenther <rguenther@suse.de>
295 Backport from mainline:
296 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
299 * gimplify.c (fold_indirect_ref_rhs): Use
300 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
302 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
306 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
307 to MAX_FIXED_MODE_SIZE.
309 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
311 * doc/invoke.texi: Fix mno-isel typo.
313 2006-11-18 Joseph Myers <joseph@codesourcery.com>
315 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
316 easy vector constant loads.
318 2006-11-18 Joseph Myers <joseph@codesourcery.com>
320 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
321 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
322 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
323 * config/rs6000/sync.md (lwsync): Emit plain sync if
326 2006-11-17 Jakub Jelinek <jakub@redhat.com>
329 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
330 optimize if DEF doesn't have integral type.
332 2006-11-17 Uros Bizjak <ubizjak@gmail.com>
334 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
335 number of arguments passed to local functions in SSE registers is 3.
337 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
338 number of arguments passed in SSE registers to 3.
340 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
343 * gimplify.c (gimplify_expr): Only force a load for references to
344 non-BLKmode volatile values.
345 * doc/implement-c.texi (Qualifiers implementation): Document the
346 interpretation of what a volatile access is.
347 * doc/extend.texi (C++ Extensions): Rework same documentation.
349 2006-11-16 Andrew Pinski <andrew_pinski@playstation.sony.com>
352 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
353 to what is the const decl is a place holder for.
355 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
358 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
360 (get_last_bb_insn): ... new global function.
361 (basic_block.h): Declare it.
362 * haifa-sched.c (create_recovery_block): Use it.
364 2006-11-16 Joseph Myers <joseph@codesourcery.com>
366 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
369 2006-11-15 Steve Ellcey <sje@cup.hp.com>
371 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
372 routines for integer division.
374 2006-11-15 Steve Ellcey <sje@cup.hp.com>
377 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
378 _fixunstfdi, and _floatditf
380 2006-11-15 Jakub Jelinek <jakub@redhat.com>
382 PR tree-optimization/29581
383 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
384 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
385 type is different between Y and USE, create a temporary
386 variable, initialize it at the beginning of the body bb
387 and use it as replacement instead of Y.
389 2006-11-15 Richard Guenther <rguenther@suse.de>
391 Backport from mainline:
392 2006-11-12 Michael Matz <matz@suse.de>
393 Roger Sayle <roger@eyesopen.com>
395 PR rtl-optimization/29797
396 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
397 BITS_BIG_ENDIAN targets.
399 2006-11-14 Eric Christopher <echristo@apple.com>
401 * configure: Regenerate with autoconf 2.59.
403 2006-11-13 DJ Delorie <dj@redhat.com>
405 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
406 temporary for intermediates.
408 2006-11-13 Jakub Jelinek <jakub@redhat.com>
410 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
412 * configure: Rebuilt.
414 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
416 * configure: Rebuilt.
418 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
421 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
422 checking for overflow.
424 2006-11-13 Richard Guenther <rguenther@suse.de>
426 Backport from mainline:
427 2006-10-23 Richard Guenther <rguenther@suse.de>
430 * convert.c (convert_to_real): Fold (float)-x to -(float)x
431 only if not flag_rounding_math.
433 2006-11-12 Jason Merrill <jason@redhat.com>
434 Andrew Pinski <pinskia@physics.uc.edu>
437 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
439 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
441 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
442 * tree.c (build_vector): Handle non-_CST elements.
444 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
446 Fix PR tree-optimization/29587
447 * tree-ssa-structalias.c (process_constraint): Don't
448 mark address taken due only to escaped vars constraint.
450 2006-11-12 Jie Zhang <jie.zhang@analog.com>
453 2006-11-11 Jie Zhang <jie.zhang@analog.com>
454 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
457 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
458 instead of builtin_define for bfin and BFIN.
460 2006-11-11 Jie Zhang <jie.zhang@analog.com>
462 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
465 2006-11-11 Richard Sandiford <richard@codesourcery.com>
468 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
469 constraints accept neither registers or memories.
471 2006-11-11 Jie Zhang <jie.zhang@analog.com>
473 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
474 (NO_PROFILE_COUNTERS): Define as 1.
476 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
479 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
481 2006-11-09 Eric Christopher <echristo@apple.com>
486 * configure: Regenerate.
487 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
488 * config.gcc (powerpc64-*-darwin*): New target.
489 * config.host: Ditto.
490 * config/rs6000/darwin64.h: New file.
491 * config/rs6000/x-darwin64: Ditto.
492 * config/rs6000/host-ppc64-darwin.c: Ditto.
494 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
496 * doc/invoke.texi: Minor formatting fixes in option lists.
498 2006-11-08 Eric Christopher <echristo@apple.com>
500 Backport from mainline:
501 * config.gcc: Add x86_64-darwin host support.
502 * config.host: Ditto.
503 * config/i386/darwin64.h: New file.
504 * config/i386/t-darwin64: Ditto.
506 2006-11-08 Janis Johnson <janis187@us.ibm.com>
508 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
509 and output-exists-not.
511 2006-11-07 Richard Guenther <rguenther@suse.de>
513 PR tree-optimization/29610
514 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
515 of tree_purge_dead_eh_edges as it may free dominators.
517 * g++.dg/other/pr29610.C: New testcase.
519 2006-11-07 Jie Zhang <jie.zhang@analog.com>
521 * gcc.c (process_command): Treat -b as normal switch if its argument
524 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
526 Backport from mainline:
527 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do not
529 * config/arm/t-strongarm-elf: Likewise.
530 * config/arm/t-pe: Likewise.
531 * config/arm/t-arm-elf: Likewise.
532 * config/arm/t-xscale-elf: Likewise.
533 * config/arm/t-arm-coff: Likewise.
534 * config/arm/t-xscale-coff: Likewise.
535 * config/arm/t-wince-pe: Likewise.
537 2006-11-06 Richard Guenther <rguenther@suse.de>
539 Backport from mainline:
540 2006-10-21 Richard Guenther <rguenther@suse.de>
543 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
544 if flag_unsafe_math_optimizations is specified. We have
545 flag_finite_math_only for that.
546 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
547 or flag_unsafe_math_optimizations.
550 * simplify-rtx.c (simplify_const_relational_operation):
551 Do not constant-fold ORDERED and UNORDERED for
552 flag_unsafe_math_optimizations but only we do not need to
553 honor NaNs for the given mode.
555 2006-11-05 Jakub Jelinek <jakub@redhat.com>
558 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
561 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
563 * doc/invoke.texi: Fix mfp-trap-mode typo.
565 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
567 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
569 (sparc64-sun-solaris2*): Likewise.
571 2006-11-02 Uros Bizjak <ubizjak@gmail.com>
574 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
575 argument to HOST_WIDE_INT. Update function prototype.
576 (round_frame_size): Change return type to HOST_WIDE_INT. Change
577 "size" argument to HOST_WIDE_INT. Update function prototype.
579 2006-11-01 Chris Johns <chris@contemporary.net.au>
582 * Makefile.in (install-driver): Use exeext when installing
583 $target-gcc-$version.
585 2006-11-01 Andrew Haley <aph@redhat.com>
587 * fold-const.c (fold_unary): Don't fold (t1)(t2) to (t1) if this
590 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
592 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
594 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
597 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
598 * gthr-posix95.h (__gthread_active_p): Likewise.
600 2006-10-30 Jakub Jelinek <jakub@redhat.com>
602 PR tree-optimization/29637
603 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
604 of the innertype is the innertype itself.
606 * gcc.dg/pr29637.c: New test.
608 2006-10-27 Mike Stump <mrs@apple.com>
610 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
611 __DYNAMIC__ from here back to ...
612 * config/darwin.h (CPP_SPEC): ... here.
614 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
616 * config/s390/s390.c (s390_init_frame_layout): Check positive
619 2006-10-26 Ben Elliston <bje@au.ibm.com>
621 * doc/extend.texi (Variable Attributes): Typo fix.
623 2006-10-25 Steve Ellcey <sje@cup.hp.com>
625 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
626 Add unix98.o to link line.
628 2006-10-25 Richard Sandiford <richard@codesourcery.com>
629 David Daney <ddaney@avtrex.com>
632 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
634 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
636 * tree-ssa-structalias.c (intra_create_variable_infos):
637 Don't recreate nonlocal_all if it already exists.
639 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
641 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
642 nonlocal function symbols if flag_pic.
644 2006-10-22 Richard Sandiford <richard@codesourcery.com>
646 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
649 2006-10-20 Mark Mitchell <mark@codesourcery.com>
651 * DEV-PHASE: Mark as prerelease.
653 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
655 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
656 (tree_decl_with_vis): Remove artificial_pta_var flag.
657 * tree-flow.h (referenced_var_check_and_insert): Expose.
658 (nonlocal_all): New prototype.
659 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
660 (nonlocal_all): Make global.
661 (nonlocal_lookup): Remove.
662 (nonlocal_insert): Ditto.
663 (create_nonlocal_var): Do not call nonlocal_insert.
664 (get_nonlocal_id_for_type): Remove.
665 (find_global_initializers): Mark new vars we find for renaming.
666 (intra_create_variable_infos): Only create one nonlocal.
667 (expand_nonlocal_solutions): Remove.
668 (compute_points_to_sets): Don't call it.
669 (ipa_pta_execute): Ditto.
670 (init_alias_heapvars): Don't create nonlocal_for_type.
671 (delete_alias_heapvars): Don't remove it.
672 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
675 2006-10-19 Brooks Moses <bmoses@stanford.edu>
677 * doc/install.texi (Downloading GCC): Clarify mention of
678 Fortran in the "full distribution" description.
680 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
682 Fix PR tree-optimization/28778
683 Fix PR tree-optimization/29156
684 Fix PR tree-optimization/29415
685 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
686 (tree_decl_with_vis): Add artificial_pta_var flag.
687 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
689 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
690 (nonlocal_all): Ditto.
691 (struct variable_info): Add directly_dereferenced member.
692 (var_escaped_vars): New variable.
693 (escaped_vars_tree): Ditto.
694 (escaped_vars_id): Ditto.
695 (nonlocal_vars_id): Ditto.
696 (new_var_info): Set directly_dereferenced.
697 (graph_size): New variable
698 (build_constraint_graph): Use graph_size.
699 (solve_graph): Don't process constraints that cannot change the
700 solution, don't try to propagate an empty solution to our
702 (process_constraint): Set directly_dereferenced.
703 (could_have_pointers): New function.
704 (get_constraint_for_component_ref): Don't process STRING_CST.
705 (nonlocal_lookup): New function.
706 (nonlocal_insert): Ditto.
707 (create_nonlocal_var): Ditto.
708 (get_nonlocal_id_for_type): Ditto.
709 (get_constraint_for): Allow results vector to be empty in the case
711 Handle results of calls properly.
712 (update_alias_info): Update alias info stats on number and type of
714 (find_func_aliases): Use could_have_pointers.
715 (make_constraint_from_escaped): Renamed from
716 make_constraint_to_anything, and changed to make constraints from
718 (make_constraint_to_escaped): New function.
719 (find_global_initializers): Ditto.
720 (create_variable_info_for): Make constraint from escaped to any
721 global variable, and from any global variable to the set of
723 (intra_create_variable_infos): Deal with escaped instead of
724 pointing to anything.
725 (set_uids_in_ptset): Do type pruning on directly dereferenced
727 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
728 (init_base_vars): Fix comment, and initialize escaped_vars.
729 (need_to_solve): Removed.
730 (find_escape_constraints): New function.
731 (expand_nonlocal_solutions): Ditto.
732 (compute_points_to_sets): Call find_escape_constraints and
733 expand_nonlocal_solutions.
734 (delete_points_to_sets): Don't fall off the end of the graph.
735 (init_alias_heapvars): Initialize nonlocal_for_type and
737 (delete_alias_heapvars): Free nonlocal_for_type and null out
740 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
742 * fold-const.c (add_double): Rename to add_double_with_sign.
743 Add 'unsigned_p' parameter and take it into account for the overflow.
744 (mul_double): Rename to mul_double_with_sign.
745 Add 'unsigned_p' parameter and take it into account for the overflow.
746 (fold_div_compare): Call add_double_with_sign instead of add_double
747 and mul_double_with_sign instead of mul_double, passing them the
748 unsignedness of the type.
749 * tree.h (add_double): Macroize.
750 (add_double_with_sign): New prototype.
751 (mul_double): Macroize.
752 (mul_double_with_sign): New prototype.
754 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
756 * config/score/crti.asm: New file.
757 * config/score/crtn.asm: New file.
758 * config/score/elf.h: New file.
759 * config/score/mac.md: New file.
760 * config/score/misc.md: New file.
761 * config/score/mul-div.S: New file.
762 * config/score/predicates.md: New file.
763 * config/score/score7.md: New file.
764 * config/score/score.c: New file.
765 * config/score/score-conv.h: New file.
766 * config/score/score.h: New file.
767 * config/score/score.md: New file.
768 * config/score/score-mdaux.c: New file.
769 * config/score/score-mdaux.h: New file.
770 * config/score/score-modes.def: New file.
771 * config/score/score.opt: New file.
772 * config/score/score-protos.h: New file.
773 * config/score/score-version.h: New file.
774 * config/score/t-score-elf: New file.
775 * config.gcc: Add score*-*-* configurations(Update before).
776 * doc/invoke.texi (Score Options): New section.
777 * doc/md.texi (Score family): New section to document constraints.
779 2006-10-19 Nick Clifton <nickc@redhat.com>
781 * config/arm/arm.c: Fix spelling typo.
783 2006-10-18 Tom Tromey <tromey@redhat.com>
785 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
787 2006-10-18 Jan Hubicka <jh@suse.cz>
790 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
793 2006-10-18 Marcin Dalecki <martin@dalecki.de>
795 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
796 TSI_SAME_STMT, since that's the desired entity.
798 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
800 * config/s390/contraints.md: New file.
801 * config/s390/s390-protos.h (s390_mem_constraint,
802 s390_O_constraint_str, s390_N_constraint_str,
803 s390_float_const_zero_p): Function prototypes added.
804 * config/s390/s390.c (s390_extra_constraint_str,
805 s390_const_double_ok_for_constraint_p,
806 s390_const_ok_for_constraint_p): Functions removed.
807 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
808 s390_float_const_zero_p): New functions.
809 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
810 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
811 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
812 Macro definitions removed.
813 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
814 s390_extra_constraint_str): Functions removed.
816 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
817 Richard Sandiford <richard@codesourcery.com>
820 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
821 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
823 2006-10-16 Geoffrey Keating <geoffk@apple.com>
825 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
826 (DWARF2_FRAME_REG_OUT): Likewise.
827 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
828 (DWARF2_FRAME_REG_OUT): Likewise.
830 2006-10-17 Paul Brook <paul@codesourcery.com>
832 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
834 2006-10-16 Brooks Moses <bmoses@stanford.edu>
836 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
837 Standardize on "GNU Fortran" as the official name of the Fortran
840 2006-10-16 Mike Stump <mrs@apple.com>
842 * doc/invoke.texi (Darwin Options): Document -mkernel.
843 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
845 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
846 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
847 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
848 (OS_MISSING_ALTIVEC): Add.
849 * config/i386/i386.c (override_options): Add
850 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
851 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
852 -mkernel, -static or -mdynamic-no-pic is given.
853 (C_COMMON_OVERRIDE_OPTIONS): Add.
854 * config/darwin.opt (fapple-kext): Add.
856 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
857 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
859 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
860 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
861 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
862 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
863 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
865 (flag_apple_kext): Add.
866 (TARGET_KEXTABI): Add.
867 * config/darwin.c (darwin_handle_kext_attribute): Add.
868 (DARWIN_VTABLE_P): Add.
869 (darwin_binds_local_p): Add partial support for rebinding vtables
871 (darwin_kextabi_p): Add.
872 (darwin_override_options): Add.
873 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
874 (darwin_kextabi_p): Add.
875 (darwin_override_options): Add.
876 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
877 __DYNAMIC__ and __STATIC__ here.
879 2006-10-16 Brooks Moses <bmoses@stanford.edu>
881 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
882 Added mention of "make pdf" target, and Texinfo requirements for
885 2006-10-16 DJ Delorie <dj@redhat.com>
887 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
888 into the GOT in case we need a subreg of the address.
890 2006-10-16 Richard Guenther <rguenther@suse.de>
893 * doc/extend.texi (X86 Built-in Functions): Fix typos in
894 SSE builtin documentation. Document SSE2 builtins.
896 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
898 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
899 symbol in the output file for non-shared links when -nostdlib or
900 -nodefaultlibs isn't specified.
902 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
903 posix thread support.
905 2006-10-15 Jan Hubicka <jh@suse.cz>
908 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
909 declared always_inline even when not inlining.
911 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
912 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
913 Andrew Pinski <pinskia@gmail.com>
916 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
918 2006-10-15 Jan Hubicka <jh@suse.cz>
919 Richard Guenther <rguenther@suse.de>
922 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
923 process_function_and_variable_attributes on all variables, including
924 those discovered during cgraph construction phase.
926 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
928 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
930 2006-10-14 Uros Bizjak <uros@kss-loka.si>
932 * config/i386/athlon.md (athlon_fist): Add fisttp.
934 2006-10-13 David Edelsohn <edelsohn@gnu.org>
935 Ian Lance Taylor <ian@airs.com>
938 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
939 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
942 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
944 * config/score/score.c, config/score/score.h: Fix comment
947 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
950 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
953 2006-10-13 Eric Christopher <echristo@apple.com>
955 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
957 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
960 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
961 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
962 alignment supported by 32-bit ELF.
964 2006-10-13 Eric Christopher <echristo@apple.com>
966 * config/darwin.c (darwin_emit_unwind_label): Strip
967 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
969 2006-10-13 Richard Guenther <rguenther@suse.de>
971 PR tree-optimization/29446
972 * tree-vrp.c (fix_equivalence_set): Remove.
973 (extract_range_from_assert): Do not call fix_equivalence_set.
974 (debug_value_range): Print a newline.
975 (compare_name_with_value): For equivalence sets with
976 inconsistent value ranges conservatively bail out.
977 (compare_names): Likewise.
979 2006-10-13 David Edelsohn <edelsohn@gnu.org>
981 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
982 and MPFR for gfortran.
984 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
986 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
987 alignment supported by 32-bit ELF.
989 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
993 * c-typeck.c (digest_init): Always allow initializing vectors
994 that have static storage duration with compound literals.
995 * tree.c (build_type_attribute_qual_variant): New, based on
996 build_type_attribute_variant.
997 (build_type_attribute_variant): Rewrite using the former.
998 (make_vector_type): Use build_type_attribute_qual_variant to build
999 type variants. Use type_hash_canon on the others.
1001 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
1002 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
1004 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
1006 2006-10-12 Jan Hubicka <jh@suse.cz>
1009 * c-decl.c (c_make_fname_decl): Do not segfault in case where
1010 current_function_decl is set but current_function_scope is not.
1012 2006-10-12 Jie Zhang <jie.zhang@analog.com>
1014 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
1015 emit_insn to emit eh_return_internal instruction.
1016 (eh_return_internal): Explicitly set pc.
1018 2006-10-11 Richard Guenther <rguenther@suse.de>
1020 PR tree-optimization/28230
1021 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
1022 to the correct place.
1024 2006-10-11 Richard Guenther <rguenther@suse.de>
1027 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
1030 2006-10-10 Brooks Moses <bmoses@stanford.edu>
1032 * configure.ac: Added pdf to "Make-hooks"
1033 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
1034 targets and *.pdf file patterns in cleanup targets.
1035 * configure: Regenerated.
1037 2006-10-10 Anatoly Sokolov <aesok@post.ru>
1039 * config/avr/predicates.md: New file.
1040 * config/avr/avr.md: Include it.
1041 (REG_SP): New constant.
1042 (peepholes): Use predicates.
1043 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
1044 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
1045 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
1047 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
1049 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
1052 2006-10-10 Jakub Jelinek <jakub@redhat.com>
1055 * builtins.c (var_decl_component_p): New function.
1056 (fold_builtin_memset, fold_builtin_memory_op): Restrict
1057 single entry optimization to variables and components thereof.
1059 2006-10-10 Richard Guenther <rguenther@suse.de>
1061 PR rtl-optimization/29323
1062 * except.c (set_nothrow_function_flags): For functions
1063 that do not bind local bail out early.
1065 2006-10-10 Ben Elliston <bje@au.ibm.com>
1067 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
1070 2006-10-09 Richard Henderson <rth@redhat.com>
1072 Revert emutls patch.
1074 2006-10-09 Richard Guenther <rguenther@suse.de>
1077 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
1080 2006-10-09 Steve Ellcey <sje@cup.hp.com>
1083 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
1084 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
1085 * configure: Regenerate.
1086 * config.in: Regenerate.
1088 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1090 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1092 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1094 * config/mips/mips.c (mips_legitimize_tls_address): Implement
1095 all TLS models in the same way as local exec if !TARGET_ABICALLS.
1096 Remove stray newline.
1098 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1100 * config/mips/mips.c (mips_classify_symbol): Do not return
1101 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
1102 (mips_in_small_data_p): Tweak comments.
1104 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1106 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
1108 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
1110 * gimplify.c, sched-int.h: Fix comment typos.
1112 * sched-int.h: Fix comment typos.
1114 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1116 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
1118 * sched-ebb.c (begin_schedule_ready): Use them.
1119 * haifa-sched.c (schedule_insn, move_insn, try_ready,
1120 add_to_speculative_block, create_check_block_twin, speculate_insn,
1121 fix_jump_move, move_block_after_check): Ditto.
1122 * sched-rgn.c (new_ready): Ditto.
1124 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1126 PR rtl-optimization/29128
1127 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
1128 * sched-ebb.c (advance_target_bb): Use it to fix condition to
1129 allow interblock movement of speculation checks.
1131 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
1134 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
1135 casted to integer type.
1136 (get_address_cost): Decrease cost of [symbol + index] addressing modes
1137 if they are significantly more expensive than [reg + index] ones.
1139 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1141 PR tree-optimization/29330
1142 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
1143 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
1144 on newly allocated ddrs.
1145 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
1146 to VEC (loop_p, heap) pointer.
1147 (compute_data_dependences_for_loop): Adjust caller.
1148 (free_dependence_relations): Free DDR_LOOP_NEST.
1150 * tree-loop-linear.c (linear_transform_loops): Don't forget to
1151 free DEPENDENCE_RELATIONS and DATAREFS.
1154 * builtins.c (expand_builtin_sync_operation,
1155 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
1156 Use convert_to_mode to handle promoted arguments.
1158 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1160 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
1162 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1164 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
1166 2006-10-05 Uros Bizjak <uros@kss-loka.si>
1168 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
1169 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
1170 Use <modeconstraint> instead of "r" as operand 1 constraint.
1172 2006-10-06 Olivier Hainque <hainque@adacore.com>
1174 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
1175 Don't recurse on the pointed-to type.
1176 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
1177 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
1178 types with components of variable size.
1180 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
1182 config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
1184 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1186 PR tree-optimization/29290
1187 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
1191 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
1192 * config/i386/predicates.md (local_symbolic_operand): Likewise.
1195 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
1196 the number of vector elements fill the rest with zeros.
1198 2006-10-05 Richard Sandiford <richard@codesourcery.com>
1200 * config/mips/mips.c (mips_pass_by_reference): Do not return false
1201 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
1204 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
1206 * config/bfin/bfin.md (subsi3): Lose expander, change previously
1207 unnamed pattern into subsi3. Use correct constraints/predicates.
1208 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
1209 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
1211 2006-10-05 Ira Rosen <irar@il.ibm.com>
1213 * doc/loop.texi: Add data references analysis description.
1215 2006-10-04 Brooks Moses <bmoses@stanford.edu>
1217 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
1219 2006-10-04 Richard Henderson <rth@redhat.com>
1220 Jakub Jelinek <jakub@redhat.com>
1222 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
1223 * builtin-types.def (BT_WORD): Make unsigned.
1224 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1225 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1226 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1227 * c-decl.c (grokdeclarator): Don't error if !have_tls.
1228 * c-parser.c (c_parser_omp_threadprivate): Likewise.
1229 * cgraph.c (decide_is_variable_needed): Look at force_output.
1230 Recurse for emulated tls.
1231 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
1232 checks redundant with decide_is_variable_needed.
1233 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
1234 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1236 * expr.c (emutls_var_address): New.
1237 (expand_expr_real_1): Expand emulated tls.
1238 (expand_expr_addr_expr_1): Likewise.
1239 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1240 * output.h (emutls_finish): Declare.
1241 * toplev.c (compile_file): Call it.
1242 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1243 address before wrapping in CONST.
1244 * varasm.c (emutls_htab, emutls_object_type): New.
1245 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1246 (get_emutls_object_name, get_emutls_object_type): New.
1247 (get_emutls_init_templ_addr, emutls_decl): New.
1248 (emutls_common_1, emutls_finish): New.
1249 (assemble_variable): When emulating tls, swap decls; generate
1250 constructor for the emutls objects.
1251 (do_assemble_alias): When emulating tls, swap decl and target name.
1252 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1254 * emutls.c: New file.
1255 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1256 tls_object for real tls.
1258 2006-10-04 Zack Weinberg <zackw@panix.com>
1260 Fix bug in constraint-check generator, reported by Rask Ingemann
1262 * genpreds.c (add_constraint): Don't remove anything from the
1264 (write_tm_constrs_h): Detect whether "op" argument is used, and
1265 mark it ARG_UNUSED if it isn't.
1266 (write_insn_const_int_ok_for_constraint): Skip the part of the
1267 expression that would test whether "op" (which is not available
1268 here) is a CONST_INT.
1270 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
1273 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
1275 2006-10-03 Geoffrey Keating <geoffk@apple.com>
1277 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
1278 current Leopard versions.
1279 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
1281 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
1283 * doc/install.texi: Fix typos.
1285 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
1287 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
1288 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
1289 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
1291 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
1293 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
1294 arg to be struct mach_header_64* instead.
1296 2006-10-02 Jakub Jelinek <jakub@redhat.com>
1299 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
1300 side effects after the outer expression's post side effects.
1302 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
1304 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
1305 comments to reflect actual behavior and relationship between
1306 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
1308 * doc/c-tree.texi (Working with declarations): Fix documentation
1309 of FIELD_DECL likewise.
1311 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
1314 * doc/extend.texi: Add used variable attribute description.
1316 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
1319 * c.opt (Woverride-init): New.
1320 * c-opts.c (c_common_post_options): Default warn_override_init to
1322 * c-typeck.c (add_pending_init, output_init_element): Warn for
1323 overriding initializers without side effects.
1324 * doc/invoke.texi (-Woverride-init): Document.
1327 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
1329 PR rtl-optimization/28096
1330 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
1331 assignment has already been used as a destination earlier in the block.
1333 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
1335 * builtins.c (expand_builtin_setjmp): Delete.
1336 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
1337 <BUILT_IN_SETJMP_SETUP>: New case.
1338 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
1339 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
1340 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
1341 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
1342 (BUILT_IN_SETJMP_RECEIVER): Likewise.
1343 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
1344 (lower_function_body): Initialize it to false. If it is set to true
1345 at the end of the processing, emit the setjmp dispatcher.
1346 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
1347 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
1348 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
1349 on the rhs of the assignment.
1350 (lower_builtin_setjmp): New function.
1351 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
1352 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
1353 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
1354 to detect calls that can go to non-local labels. Use specific
1355 helper to create the abnormal edges associated with them.
1356 <MODIFY_EXPR>: Likewise.
1357 (make_abnormal_goto_edges): New function extracted from...
1358 (make_goto_expr_edges): ...here. Call it for computed gotos.
1359 (simple_goto_p): Minor tweak.
1360 (tree_can_make_abnormal_goto): New predicate.
1361 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
1362 (tree_purge_dead_abnormal_call_edges): New function.
1363 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
1364 (tree_purge_dead_abnormal_call_edges): Likewise.
1365 (make_abnormal_goto_edges): Likewise.
1366 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
1367 Purge all dead abnormal edges if the call was in the last statement.
1368 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
1369 (execute_fixup_cfg): If there are non-local labels in the function,
1370 scan the basic blocks and split them at calls that can go to non-local
1371 labels or add missing abnormal call edges. Write down the CFG in the
1373 (pass_fixup_cfg): Remove TODO_dump_func flag.
1374 * unwind-sjlj.c: Poison setjmp.
1375 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
1376 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
1377 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
1378 (DONT_USE_BUILTIN_SETJMP): Document it.
1380 2006-09-28 Geoffrey Keating <geoffk@apple.com>
1383 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
1384 to 1 when __ppc64__ is defined.
1385 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
1387 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
1389 2006-09-28 Steve Ellcey <sje@cup.hp.com>
1391 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
1392 * config/ia64/unwind-hpux.c: Delete.
1394 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
1396 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
1397 on the element before gimplifying it, instead of punting if it is of
1400 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
1402 * doc/loop.texi: New file.
1403 * doc/gccint.texi: Reference loop.texi.
1404 * Makefile.in (loop.texi): Add.
1406 2006-09-27 Geoffrey Keating <geoffk@apple.com>
1408 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
1410 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1411 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1413 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
1415 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
1417 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
1419 * doc/install.texi: Document required versions of GMP and MPFR.
1421 2006-09-27 Paul Brook <paul@codesourcery.com>
1424 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
1426 2006-09-27 Richard Sandiford <richard@codesourcery.com>
1428 * reload1.c (alter_reg): Require the alignment of the stack slot to
1429 be at least reg_max_ref_width bytes.
1430 (scan_paradoxical_subregs): Record the largest width in
1433 2006-09-26 Jakub Jelinek <jakub@redhat.com>
1437 * tree-nested.c (struct nesting_info): Added static_chain_added.
1438 (convert_call_expr): Set static_chain_added when adding static
1439 chain. Handle OMP_PARALLEL and OMP_SECTION.
1441 2006-09-25 Matthias Klose <doko@debian.org>
1443 * doc/invoke.texi: Add missing full stop.
1445 2006-09-25 Richard Henderson <rth@redhat.com>
1447 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
1448 before cgraph_function_flags_ready.
1450 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
1451 Adam Nemet <anemet@caviumnetworks.com>
1453 * tree-ssa-loop-ivopts.c (aff_combination_convert,
1454 determine_common_wider_type): New functions.
1455 (get_computation_aff): Use them to simplify arithmetic between
1456 UBASE and CBASE if they are shortened from the same type.
1458 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
1461 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
1462 -2147483647 - 1 instead of 0x80000000.
1464 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
1466 * flags.h (HONOR_NANS): Fix typo in comment.
1468 2006-09-23 Uros Bizjak <uros@kss-loka.si>
1470 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
1472 2006-09-23 Jakub Jelinek <jakub@redhat.com>
1476 * tree.c (merge_attributes, attribute_list_contained): If both
1477 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
1479 * c-typeck.c (comptypes_internal): Don't consider aggregates
1480 in different TUs as compatible if there one set of attributes is
1481 not a subset of the other type's attributes.
1482 (composite_type): Try harder not to create a new aggregate type.
1484 2006-09-22 Geoffrey Keating <geoffk@apple.com>
1486 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
1487 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
1488 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
1489 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
1490 than replicating condition above.
1491 * config.host (i[34567]86-*-*): Always use driver-i386.o.
1493 * config/darwin.h (LINK_SYSROOT_SPEC): New.
1494 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
1495 the linker by default.
1497 2006-09-22 Mike Stump <mrs@apple.com>
1499 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
1502 2006-09-22 Richard Guenther <rguenther@suse.de>
1505 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
1506 sort of stack variables stable.
1508 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
1511 * explow.c (force_reg): Set REG_POINTER flag according to
1514 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
1516 PR tree-optimization/28888
1517 * tree-if-conv.c (combine_blocks): Rewritten.
1518 * tree-cfg.c (tree_verify_flow_info): Check that edges with
1519 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
1521 2006-09-22 Jakub Jelinek <jakub@redhat.com>
1523 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
1526 2006-09-21 Richard Sandiford <richard@codesourcery.com>
1528 * varasm.c (copy_constant): Fix reversed gcc_assert check.
1530 2006-09-21 Janis Johnson <janis187@us.ibm.com>
1532 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
1534 2006-09-21 Roger Sayle <roger@eyesopen.com>
1537 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
1538 dw_fde_current_label, to be the start of the function, i.e. the same
1539 value as dw_fde_begin.
1541 2006-09-20 Richard Sandiford <richard@codesourcery.com>
1543 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
1544 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
1545 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
1546 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
1547 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
1548 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
1549 (abs<mode>2, neg<mode>2): Likewise.
1550 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
1551 (*mips_abs_ps): New define_insn.
1553 2006-09-20 Josh Conner <jconner@apple.com>
1556 * calls.c (expand_call): Allow reuse of structure return stack
1559 2006-09-20 Paul Brook <paul@codesourcery.com>
1561 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
1564 2006-09-20 Janis Johnson <janis187@us.ibm.com>
1566 * doc/extend.texi (Decimal Float): Update for latest draft TR,
1567 clean up terminology.
1569 2006-09-20 Steve Ellcey <sje@cup.hp.com>
1572 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
1573 with tablejumps in them.
1575 2006-09-20 Jakub Jelinek <jakub@redhat.com>
1578 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
1579 wrap it into TARGET_EXPR.
1581 2006-09-20 Eric Christopher <echristo@apple.com>
1583 * config/i386/i386.c (x86_fisttp): Remove.
1584 * config/i386/i386.h (x86_fisttp): Ditto.
1585 (TARGET_FISTTP): Ditto.
1587 2006-09-19 Eric Christopher <echristo@apple.com>
1589 * doc/tm.texi (OBJC_JBLEN): Describe.
1590 * config/i386/darwin.h (OBJC_JBLEN): Define.
1591 * config/rs6000/darwin.h: Ditto.
1593 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
1595 PR rtl-optimization/21299
1596 * reload1.c (reload): Purge invalid ASMs in the final pass.
1598 2006-09-19 Steve Ellcey <sje@cup.hp.com>
1601 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
1602 pointers as legitimate constants.
1604 2006-09-19 Paul Brook <paul@codesourcery.com>
1607 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
1609 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
1611 PR tree-optimization/28887
1612 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
1613 component parts from the reference.
1614 (gather_memory_references_ref): Record the reference without the
1615 nonaddressable component parts.
1617 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
1620 * c-opts.c (c_common_handle_option): Ignore the -std options
1621 if the input language is assembly.
1623 2006-09-17 Ira Rosen <irar@il.ibm.com>
1626 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
1628 (ptr_ptr_may_alias_p): Likewise.
1629 (record_record_differ_p): New function.
1630 (base_object_differ_p): Call record_record_differ_p.
1632 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1635 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
1636 away for the expr argument.
1638 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1641 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
1642 before using it for dumping after vectorizing loops.
1644 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1645 Jack Howarth <howarth@bromo.med.uc.edu>
1648 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
1649 skip on error_mark_node.
1650 (rs6000_darwin64_record_arg_recurse): Likewise.
1652 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1654 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
1655 * doc/rtl.texi: Remove related documentation.
1657 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
1659 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
1662 2006-09-15 Jim Wilson <wilson@specifix.com>
1664 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
1665 Handle symbol offsets same as they are handled in ia64_expand_move
1668 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
1670 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
1671 Add forgotten parameter to the fprintf call.
1673 2006-09-15 Steve Ellcey <sje@cup.hp.com>
1675 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
1677 2006-09-15 Uros Bizjak <uros@kss-loka.si>
1679 * doc/contrib.texi: Add my entry.
1681 2006-09-15 Nick Clifton <nickc@redhat.com>
1683 * doc/md.texi (Processor pipeline description): Fix typo in
1684 example of how to use the absence_set directive and reword the
1685 description to make it slightly easier to read.
1687 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
1689 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
1690 * loop-doloop.c (doloop_optimize): Use it to limit costs of
1691 expanding the number of iterations.
1692 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
1694 * cfgrtl.c (emit_insn_at_entry): New function.
1695 * rtl.h (emit_insn_at_entry): Declare it.
1696 * integrate.c (emit_initial_value_sets): Use it.
1698 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
1700 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
1702 (struct loop_work and related VEC declarations): Delete.
1703 (bfin_dump_loops): Print out new member bad.
1704 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
1705 (bfin_scan_loop): Don't recurse.
1706 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
1707 loops. No longer need to update outer loops if the current one is
1708 found bad. Move some validitiy checks to bfin_discover_loop.
1709 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
1710 but changed not to check for nesting. Also changed to use the new bad
1712 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
1713 time. Use bitmap based test to discover loop nesting.
1715 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
1717 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
1720 2006-09-14 Richard Guenther <rguenther@suse.de>
1721 Kazu Hirata <kazu@codesourcery.com>
1723 PR middle-end/28884.
1724 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
1725 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
1726 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
1727 with TARGET_FUNCTION_VALUE.
1729 2006-09-14 Anatoly Sokolov <aesok@post.ru>
1732 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
1734 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
1736 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
1739 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
1742 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
1745 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1747 * basic_block.h (bb_has_eh_pred): Fix comment.
1749 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1751 * flow.c (calculate_global_regs_live): Invalidate eh registers
1752 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
1753 (propagate_block): Handle eh registers as if they were set at basic
1755 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
1757 * global.c (global_conflicts): Make eh registers to conflict with
1758 pseudos live at basic block begin.
1759 * basic_block.h (bb_has_eh_pred): New function.
1761 2006-09-13 Richard Sandiford <richard@codesourcery.com>
1763 PR rtl-optimization/28982
1764 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
1765 index of a PRE_MODIFY or POST_MODIFY address.
1766 * reload1.c (inc_for_reload): Use find_replacement on the original
1767 base and index registers.
1769 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
1771 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
1772 for -Os. Update __m128 alignment requirement.
1774 2006-09-13 Jan Hubicka <jh@suse.cz>
1776 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
1778 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
1780 PR rtl-optimization/28243
1781 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
1782 the insn to which the note was originally attached.
1784 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
1785 Roger Sayle <roger@eyesopen.com>
1787 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
1788 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
1789 on platforms that don't use dwarf for debug info.
1791 2006-09-12 Jason Merrill <jason@redhat.com>
1794 * builtins.c (expand_builtin_setjmp_receiver): Clobber
1795 hard_frame_pointer_rtx after using it to update the frame pointer.
1797 2006-09-12 Roger Sayle <roger@eyesopen.com>
1799 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
1800 (TARGET_ASM_CLOSE_PAREN): Likewise.
1801 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
1802 (TARGET_ASM_CLOSE_PAREN): Likewise.
1804 2006-09-12 Roger Sayle <roger@eyesopen.com>
1807 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
1808 frame information for frames larger than 512 Kbytes on Tru64 when
1809 using the native assembler.
1811 2006-09-12 Roger Sayle <roger@eyesopen.com>
1815 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
1816 and symbols. Instead use the implementation from cse.c's hash_rtx.
1818 2006-09-12 Jan Hubicka <jh@suse.cz>
1820 PR rtl-optimization/28071
1821 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
1822 (vect_transform_loop): Likewise.
1823 * tree-vectorizer.c (new_loop_vec_info): Likewise.
1824 (new_loop_vec_info): Likewise.
1825 (destroy_loop_vec_info): Likewise.
1826 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
1827 (create_stmt_ann): Likewise.
1828 (create_tree_ann): Rename to ...
1829 (create_tree_common_ann): ... this one; allocate only the common part
1831 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
1832 (get_value_handle): Likewise.
1833 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
1834 get_tree_common_ann.
1835 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
1836 (vinfo_for_stmt): Use stmt annotations.
1837 * tree-flow.h (tree_ann_common_t): New type.
1838 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
1839 (tree_ann, get_tree_ann, create_tree_ann): New.
1840 * tree-flow-inline.h (get_function_ann): Do more type checking.
1841 (stmt_ann): Likewise.
1842 (tree_ann): Rename to ...
1843 (tree_common_ann): ... this one; return ony common_ann
1844 (get_tree_ann): Rename to ...
1845 (tree_common_ann): This one; return only common_ann.
1846 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
1849 2006-09-11 Geoffrey Keating <geoffk@apple.com>
1851 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
1852 with_cpu by default.
1854 * dwarf2out.c (dwarf_file_data): New.
1855 (enum dw_val_class): Add dw_val_class_file.
1856 (struct dw_val_struct): Add val_file.
1857 (file_table): Change to a hash table.
1858 (file_table_emitted): Delete.
1859 (file_table_last_lookup_index): Delete.
1860 (emitcount): Delete.
1861 (last_emitted_file): New.
1862 (lookup_filename): Change prototype to return a struct dwarf_file_data.
1863 (init_file_table): Delete.
1864 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
1865 (AT_addr): Add comment.
1869 (print_die): Handle dw_val_class_file.
1870 (print_dwarf_line_table): Update for new file table structure.
1871 (attr_checksum): Do checksum a filename.
1872 (same_dw_val_p, same_attr_p): Do compare a filename.
1873 (size_of_die): Handle dw_val_class_file.
1874 (value_format): Likewise.
1875 (output_die): Likewise. Also, call maybe_emit_file here.
1876 (struct file_info): Constify filenames. Make file_idx a pointer
1877 to a struct dwarf_file_data.
1878 (struct dir_info): Constify directory names. Remove 'used' field.
1879 (struct file_name_acquire_data): New.
1880 (file_name_acquire): New.
1881 (output_file_names): Modify to handle new file data structures.
1882 (add_src_coords_attributes): Use add_AT_file.
1883 (add_call_src_coords_attributes): Likewise.
1884 (dwarf2out_imported_module_or_decl): Likewise.
1885 (gen_subprogram_die): Modify for new file data structures.
1886 (gen_variable_die): Likewise.
1887 (file_table_eq): New.
1888 (file_table_hash): New.
1889 (file_table_last_lookup): New.
1890 (lookup_filename): Rewrite to handle new file data structures.
1891 (maybe_emit_file): Rewrite to handle new file data structures.
1892 (dwarf2out_source_line): Always call lookup_filename and
1894 (dwarf2out_init): Create file_table here.
1895 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
1896 (file_table_relative_p): New.
1897 (dwarf2out_finish): Change detection of relative filenames
1898 to work with new file data structures. Move output_line_info call
1899 after debug_info output.
1901 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
1906 * config/i386/i386.c (override_options): Always default to 16
1907 byte stack boundary.
1909 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
1912 * var-tracking.c (dump_dataflow_set): Start dumping at
1914 (clobber_variable_part): Kill only the variable part in
1915 registers holding it, leaving other variables alone.
1917 2006-09-11 Josh Triplett <josh@freedesktop.org>
1919 * doc/extend.texi (Other Builtins): Actually use the macro
1920 argument in the documentation example for
1921 __builtin_types_compatible_p.
1923 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1925 PR rtl-optimization/28726
1926 * sched-deps.c (sched_analyze_reg): New function extracted from...
1927 (sched_analyze_1): ...here. Call it to analyze references to
1928 registers. Treat again writes to a stack register as writing to the
1930 (sched_analyze_2): ...and here. Call it to analyze references to
1931 registers. Treat again reads of a stack register as reading the
1934 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
1935 David Edelsohn <edelsohn@gnu.org>
1938 * config/rs6000/spe.md (frob_df_di): Remove %H.
1939 (frob_di_df): Remove %H. Change evmergelo to mr.
1940 (frob_di_df_2): Remove %H. Change evldd to two loads.
1942 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
1944 * doc/cpp.texi: Fix names of charset options.
1946 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
1949 * config/i386/i386.c (override_options): Use 128-bit
1950 stack boundary always for 64bits.
1952 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1954 PR rtl-optimization/28636
1955 * combine.c (force_to_mode): Test for side-effects before
1956 substituting by zero.
1957 (simplify_shift_const): Likewise for zero or other constants.
1959 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
1962 * builtins.c (expand_builtin_setjmp): Force next_lab to be
1965 2006-09-10 Richard Sandiford <richard@codesourcery.com>
1968 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
1969 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
1970 returned by mode_for_size, rather than the mode of src itself,
1971 to choose between 32-bit and 64-bit patterns.
1972 (mips_mem_fits_mode_p): New function.
1973 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
1974 that the size of the source matches the size of the destination.
1975 (mov_<store>l, mov_<store>r): Likewise.
1977 2006-09-10 Eric Christopher <echristo@apple.com>
1979 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
1982 2006-09-09 Eric Christopher <echristo@apple.com>
1985 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
1988 2006-09-09 Roger Sayle <roger@eyesopen.com>
1989 Nicolas Setton <setton@adacore.com>
1991 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
1993 2006-09-10 Andreas Schwab <schwab@suse.de>
1995 * config/m68k/m68k.md (bungt_rev): New pattern.
1997 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
1998 Dale Johannesen <dalej@apple.com>
2001 * regclass.c (struct reg_pref): Update documentation.
2002 (regclass): Set prefclass to NO_REGS if memory is the best option.
2003 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2005 2006-09-08 Eric Christopher <echristo@apple.com>
2007 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
2008 * config/t-slibgcc-darwin: Support x86_64 multilib.
2009 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
2010 Return 1 for x86_64-darwin.
2011 * config/i386/t-darwin: Add m64 multilib.
2012 (LIB2_SIDITI_CONV_FUNCS): Use.
2013 (LIB2FUNCS_EXTRA): Ditto.
2014 * config/i386/darwin.h: Support x86_64.
2015 * config/i386/i386.c (override_options): Turn on flag_pic
2016 for x86_64-darwin. Disable flag_omit_pointer.
2017 (get_pc_thunk_name): Assert !TARGET_64BIT.
2018 (legitimate_address_p): Disable machopic addressing for
2020 (legitimize_pic_address): Ditto.
2021 (ix86_expand_move): Ditto.
2022 (ix86_expand_call): Ditto.
2023 (machopic_output_stub): Ditto.
2024 * config/darwin.c (machopic_select_section): Support literal16.
2025 (machopic_select_rtx_section): Ditto.
2026 * config/darwin-sections.def: Ditto.
2027 * config/darwin-64.c: New.
2029 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
2032 * c-tree.h (struct c_arg_info): Add pending_sizes.
2033 * c-parser.c (c_parser_parms_declarator,
2034 c_parser_parms_list_declarator): Initialize pending_sizes.
2035 * c-decl.c (get_parm_info): Initialize pending_sizes.
2036 (get_parm_info): Set pending_sizes.
2037 (grokdeclarator): Call put_pending_sizes for parameters for
2038 function definition only.
2040 2006-09-07 Jason Merrill <jason@redhat.com>
2043 * varasm.c (output_constant): Only strip actual no-op conversions.
2046 * config/i386/i386.c (override_options): Use 128-bit
2047 stack boundary if -msse.
2049 2006-09-07 Eric Christopher <echristo@apple.com>
2051 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
2053 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
2056 2006-09-07 Geoffrey Keating <geoffk@apple.com>
2058 * dwarf2out.c: Remove strange characters from comment above
2059 dwarf2out_frame_debug_expr.
2061 2006-09-07 Eric Christopher <echristo@apple.com>
2063 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
2064 * config/darwin.h: ... to here.
2066 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
2068 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
2070 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
2071 (TARGET_PARTIAL_FLAG_REG_STALL): New.
2073 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
2074 TARGET_PARTIAL_FLAG_REG_STALL.
2075 (*ashldi3_cconly_rex64): Likewise.
2076 (*ashlsi3_cmp): Likewise.
2077 (*ashlsi3_cconly): Likewise.
2078 (*ashlsi3_cmp_zext): Likewise.
2079 (*ashlhi3_cmp): Likewise.
2080 (*ashlhi3_cconly): Likewise.
2081 (*ashlqi3_cmp): Likewise.
2082 (*ashlqi3_cconly): Likewise.
2083 (*ashrdi3_cmp_rex64): Likewise.
2084 (*ashrdi3_cconly_rex64): Likewise.
2085 (*ashrsi3_cmp): Likewise.
2086 (*ashrsi3_cconly): Likewise.
2087 (*ashrsi3_cmp_zext): Likewise.
2088 (*ashrhi3_cmp): Likewise.
2089 (*ashrhi3_cconly): Likewise.
2090 (*ashrqi3_cmp): Likewise.
2091 (*ashrqi3_cconly): Likewise.
2092 (*lshrdi3_cmp_rex64): Likewise.
2093 (*lshrdi3_cconly_rex64): Likewise.
2094 (*lshrsi3_cmp): Likewise.
2095 (*lshrsi3_cconly): Likewise.
2096 (*lshrsi3_cmp_zext): Likewise.
2097 (*lshrhi3_cmp): Likewise.
2098 (*lshrhi3_cconly): Likewise.
2099 (*lshrqi2_cmp): Likewise.
2100 (*lshrqi2_cconly): Likewise.
2102 2006-09-07 Uros Bizjak <uros@kss-loka.si>
2105 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
2106 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
2107 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
2108 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
2109 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
2110 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
2111 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
2112 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
2113 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
2114 implement only CC setting effects of shift instructions.
2116 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
2118 * doc/contrib.texi: Add myself.
2120 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
2123 * stor-layout.c (relayout_decl): Don't zero the alignment if it
2124 was set by the user.
2126 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
2129 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
2130 (divsi_inv_m1): Use them.
2131 (UNSPEC_DIV_INV_TABLE): New constant.
2133 2006-09-06 James E Wilson <wilson@specifix.com>
2136 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
2137 then call count_or_remove_death_notes.
2139 2006-09-06 Jason Merrill <jason@redhat.com>
2142 * tree-inline.c (copy_result_decl_to_var): New fn.
2143 (declare_return_variable): Use it. Call declare_inline_vars here.
2144 (expand_call_inline): Not here.
2146 2006-09-06 Diego Novillo <dnovillo@redhat.com>
2148 * doc/contrib.texi: Update my entry.
2150 2006-09-06 Nick Clifton <nickc@redhat.com>
2152 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
2154 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2157 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
2158 (canonicalize_induction_variables): Likewise.
2159 (tree_unroll_loops_completely): Likewise.
2160 (tree_ssa_prefetch_arrays): Likewise.
2161 (remove_empty_loops): Likewise.
2162 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
2163 TODO_cleanup_cfg instead of directly calling
2164 cleanup_tree_cfg_loop.
2165 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
2167 (tree_unroll_loops_completely): Likewise.
2168 (remove_empty_loops): Likewise.
2169 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
2170 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
2171 of tree_ssa_unswitch_loops.
2172 (tree_ssa_loop_ivcanon): Use the return value of
2173 canonicalize_induction_variables.
2174 (tree_ssa_empty_loop): Use the return value of
2176 (tree_complete_unroll): Use the return value of
2177 tree_unroll_loops_completely.
2178 (tree_ssa_loop_prefetch): Use the return value of
2179 tree_ssa_prefetch_arrays.
2180 * passes.c (execute_todo): Before Cleanup CFG, set
2181 updating_used_alone and after cleanup CFG, call
2182 recalculate_used_alone.
2184 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2187 * tree-vect-transform.c (vectorizable_condition): Move the check
2188 for the type after the check for simple condition.
2190 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
2191 Kaz Kojima <kkojima@gcc.gnu.org>
2194 * mode-switching.c (optimize_mode_switching): Make the destination
2195 block of an abnormal edge have no anticipatable mode. Don't
2196 insert mode switching code at the end of the source block of
2199 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
2201 PR rtl-optimization/26847
2202 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
2203 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
2204 (simplify_plus_minus): Count n_constants while filling ops. Replace
2205 qsort with insertion sort. Before going through the array to simplify
2206 pairs, sort it. Delay early exit until after the first sort, exiting
2207 only if no swaps occurred. Simplify pairs in reversed order, without
2208 special-casing the first iteration. Pack ops after simplifying pairs.
2210 2006-09-05 Anatoly Sokolov <aesok@post.ru>
2212 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
2213 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2214 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2215 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
2217 2006-09-05 Richard Guenther <rguenther@suse.de>
2219 PR tree-optimization/28900
2220 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
2221 compound conditional before creating COND_EXPR condition.
2223 2006-09-05 Richard Guenther <rguenther@suse.de>
2225 PR tree-optimization/28905
2226 * tree-vrp.c (fix_equivalence_set): Manually implement
2227 !value_ranges_intersect_p to also handle symbolic ranges.
2229 2006-09-05 Richard Guenther <rguenther@suse.de>
2232 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
2235 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2237 PR rtl-optimization/27616
2238 * cse.c (table_size): New static variable.
2239 (new_basic_block): Initialize it to 0.
2240 (remove_from_table): Decrement it.
2241 (insert): Increment it.
2242 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
2243 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
2244 fold_rtx_mem_1 if under the cap.
2245 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
2246 the lookup of the equivalent expression and test for equality of the
2247 first operand of the equivalent expression before in turn looking up
2248 an equivalent constant for the second operand.
2250 2006-09-02 Geoffrey Keating <geoffk@apple.com>
2253 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2254 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2255 pointer, instead of assuming it is possible to derive the
2256 correct args size from a call insn.
2258 2006-09-02 Jakub Jelinek <jakub@redhat.com>
2261 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
2262 (fold_builtin_mempcpy): Rename to...
2263 (fold_builtin_memory_op): ... this. Optimize one element copy
2265 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
2267 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
2268 (expand_builtin_memcpy, expand_builtin_mempcpy,
2269 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
2270 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
2271 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
2272 BUILT_IN_MEM{CPY,PCPY,MOVE}.
2274 2006-09-01 DJ Delorie <dj@redhat.com>
2276 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
2277 (stzx_16): Likewise.
2278 ("stzx_24_<mode>"): Likewise.
2279 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
2280 ("cmp<mode>_op"): New.
2281 (cmp<mode>): Change to expander; just save operands.
2283 (b<code>): Change to expander, emit compare here.
2284 (s<code>_op): Change to use split and expander.
2285 (s<code>_24_op): Likewise.
2286 (s<code>_<mode>): New.
2287 (s<code>_<mode>_24): New.
2288 (movqicc_<code>_<mode): New.
2289 (movhicc_<code>_<mode>): New.
2292 * config/m32c/m32c.c (compare_op0, compare_op1): New.
2293 (m32c_pend_compare): New.
2294 (m32c_unpend_compare): New.
2295 (m32c_expand_scc): New.
2296 (m32c_expand_movcc): Emit the compare also.
2297 * config/m32c/predicates.md (mra_nopp_operand): New.
2299 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
2300 Richard Guenther <rguenther@suse.de>
2301 Adam Nemet <anemet@caviumnetworks.com>
2304 * builtins.c (get_pointer_alignment): Handle more forms
2305 of base addresses that can be used to derive more precise
2306 information about alignment.
2308 2006-09-01 Jason Merrill <jason@redhat.com>
2311 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
2314 * gimplify.c (voidify_wrapper_expr): Handle null type.
2316 2006-09-01 Josh Conner <jconner@apple.com>
2319 * tree-nrv.c (dest_safe_for_nrv_p): New function.
2320 (execute_return_slot_opt): Use it.
2322 2006-08-31 Josh Conner <jconner@apple.com>
2325 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
2326 returning aggregates.
2328 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
2330 PR tree-optimization/28839
2331 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
2332 blocks in that phi arguments appear.
2334 2006-08-31 Roger Sayle <roger@eyesopen.com>
2337 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
2338 NULL, otherwise use an advance_loc4 to adjust relative to the
2340 (output_cfi) <DW_CFA_set_loc>: Update the current label.
2341 (dwarf2out_switch_text_section): Reset the current label to avoid
2342 using advance_loc4 over section boundaries.
2344 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
2347 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
2348 r12 + SYMBOLIC_CONST.
2350 2006-08-30 Richard Guenther <rguenther@suse.de>
2352 * Makefile.in (see.o): Add $(EXPR_H) dependency.
2354 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
2356 PR rtl-optimization/27735
2357 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
2358 Add new argument to keep track of whether an irreducible region
2359 was affected. All callers changed.
2360 (fix_irreducible_loops): Removed.
2361 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
2362 flags were invalidated.
2364 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
2366 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
2367 instead of SF operands.
2368 (*fop_df_comm_sse): Likewise.
2369 (*fop_df_comm_i387): Likewise.
2370 (*fop_df_1_mixed): Likewise.
2371 (*fop_df_1_sse): Likewise.
2373 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
2374 J"orn Rennecke <joern.rennecke@st.com>
2376 PR tree-optimization/17506
2377 * tree-ssa.c (warn_uninit): If warning about a location outside of
2378 the current function, note where the variable was declared.
2380 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
2382 PR tree-optimization/28411
2383 * double-int.c (double_int_div): Use double_int_divmod.
2384 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
2385 double_int_mod, double_int_smod, double_int_umod): New functions.
2386 * double-int.h (double_int_divmod, double_int_sdivmod,
2387 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
2389 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
2391 (get_computation_aff, get_computation_cost_at): Handle double_int
2392 return type of constant_multiple_of.
2394 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
2397 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
2398 an implicit conversion.
2400 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
2402 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
2404 2006-08-27 Roger Sayle <roger@eyesopen.com>
2406 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
2409 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
2411 * config/i386/crtfastmath.c: Fix a comment typo.
2413 2006-08-26 Roger Sayle <roger@eyesopen.com>
2415 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
2416 temporary visit flags on CASE_LABEL_EXPRs.
2417 * c-common.c (match_case_to_enum): Add function comment. Avoid
2418 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
2419 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
2420 CASE_HIGH_SEEN for enumerated types. If the switch expression is
2421 a constant, only warn if that constant value isn't handled.
2423 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
2426 * input.h (restore_input_file_stack): Declare.
2427 (INPUT_FILE_STACK_BITS): Define.
2428 * toplev.c (fs_p, input_file_stack_history,
2429 input_file_stack_restored, restore_input_file_stack): New.
2430 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
2431 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
2432 (pop_srcloc): Don't free old state of stack.
2434 2006-08-26 David Edelsohn <edelsohn@gnu.org>
2437 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
2438 (PowerPC Type Attributes): New.
2440 2006-08-26 Bob Wilson <bob.wilson@acm.org>
2442 * config/xtensa/xtensa.c (function_arg_boundary): New.
2443 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
2445 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
2446 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
2448 2006-08-26 Jakub Jelinek <jakub@redhat.com>
2451 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
2454 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2456 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
2457 (verify_local_live_at_start): Likewise.
2459 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2462 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
2463 omp_add_variable): Treat sizes as variable whenever not
2466 2006-08-26 Richard Guenther <rguenther@suse.de>
2469 * fold-const.c (fold_binary): Fold temporary to correct
2470 type before constructing new comparison.
2472 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
2475 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
2476 variable again if DECL_SEEN_IN_BIND_EXPR_P.
2478 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2481 * c-decl.c (start_function): Don't try to process prototype
2482 information from old declaration that isn't a function.
2484 2006-08-25 Jan Hubicka <jh@suse.cz>
2487 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
2489 2006-08-25 Alan Modra <amodra@bigpond.net.au>
2492 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
2495 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
2497 PR tree-optimization/16876
2498 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
2499 exit if PARM doesn't match VALUE.
2501 2006-08-25 Bob Wilson <bob.wilson@acm.org>
2503 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
2504 literal_prefix directive.
2505 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
2506 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2507 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2509 2006-08-25 David Edelsohn <edelsohn@gnu.org>
2512 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
2513 predicate to general_operand. Add 0->y and I->r alternatives.
2515 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
2517 * doc/tm.texi: Fix a typo.
2518 * predict.c: Fix comment typos.
2520 2006-08-25 Nick Clifton <nickc@redhat.com>
2522 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
2523 assertions of "cpu" and "machine".
2525 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
2528 * tree-ssa-operands.c (access_can_touch_variable): Don't say
2529 the access through a base which has an alias set of 0 cannot
2532 2006-08-24 Bill Wendling <wendling@apple.com>
2534 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
2536 2006-08-24 Jan Hubicka <jh@suse.cz>
2538 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
2540 2006-08-24 Jan Hubicka <jh@suse.cz>
2543 * cgraph.c: Fix comments.
2544 (cgraph_varpool_mark_needed_node): Mark only variables not already
2546 * cgraphunit.c: Update comments; include gt-cgraphunit.h
2547 (cgraph_varpool_assembled_nodes_queue): New static variable.
2548 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
2549 (cgraph_varpool_output_debug_info): New function.
2550 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
2551 * Makefile.in: Add gt-cgraphunit.h
2553 2006-08-24 Jan Hubicka <jh@suse.cz>
2555 * predict.c (probability_reliable_p): New predicate.
2556 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
2557 (predict_loops): Do not predict loop exit with less than 2%
2559 * basic-block.h (edge_probability_reliable_p,
2560 br_prob_note_reliable_p): Declare.
2561 * ia64.h (ia64_print_operand): Do not disable on-chip branch
2562 prediction when static predictor is not reliable.
2563 * rs6000.c (output_cbranch): Likewise.
2565 2006-08-23 Stuart Hastings <stuart@apple.com>
2568 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
2569 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
2571 2006-08-21 Geoffrey Keating <geoffk@apple.com>
2574 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
2575 complex values, nor for generic vector values.
2577 2006-08-22 Richard Guenther <rguenther@suse.de>
2580 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
2581 parameter. Convert arguments to arithmetic expression to the
2583 (analyze_scalar_evolution_1): Adjust caller.
2585 2006-08-22 Jan Hubicka <jh@suse.cz>
2587 Patch by Paolo Bonzini
2588 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
2591 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
2593 PR tree-optimization/28003
2594 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
2595 before grouping aliases.
2597 2006-08-22 Roger Sayle <roger@eyesopen.com>
2599 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
2600 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
2602 2006-08-21 Jason Merrill <jason@redhat.com>
2605 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
2606 wrapper. Loop to handle nested wrappers.
2607 (gimplify_bind_expr): Remove temp parameter.
2608 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
2609 and STATEMENT_LIST on the rhs.
2610 (gimplify_statement_list): Voidify the STATEMENT_LIST.
2611 (gimplify_expr): Pass pre_p to gimplify_statement_list.
2612 (gimplify_target_expr): Remove special BIND_EXPR handling.
2614 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
2616 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
2619 2006-08-21 Olivier Hainque <hainque@adacore.com>
2621 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
2622 Arrange for the temporary captures of components overlapping the lhs
2623 to happen before the lhs is possibly cleared.
2625 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
2627 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
2628 necessary places to pass the correct "number of registers" values
2631 2006-08-20 Jan Hubicka <jh@suse.cz>
2633 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
2634 (create_name_tags): Instead of quadratic checking use hashtable.
2635 * bitmap.h: Include hashtab.h.
2636 (bitmap_hash): Declare.
2637 * bitmap.c (bitmap_hash): New function.
2639 2006-08-20 Jan Hubicka <jh@suse.cz>
2641 PR rtl-optimization/28071
2642 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
2644 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
2645 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
2646 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
2647 cgraph_decide_inlining_incrementally): Update use of
2648 cgraph_check_inline_limits.
2649 * cgraph.c (edge_hash, edge_eq): New function.
2650 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
2651 cgraph_edge_remove_caller, cgraph_node_remove_callees,
2652 cgraph_remove_node): Maintain call site hash.
2653 * cgraph.h (struct cgraph_node): Add call_site_hash.
2654 (cgraph_set_call_stmt): New function.
2656 2006-08-20 Jan Hubicka <jh@suse.cz>
2658 PR rtl-optimization/28071
2659 * reload1.c (reg_has_output_reload): Turn into regset.
2660 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
2661 choose_reload_regs, emit_reload_insns): Update to new
2662 reg_has_output_reload.
2664 2006-08-20 Jan Hubicka <jh@suse.cz>
2667 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
2668 function body sizes.
2669 * cgraphunit.c (cgraph_analyze_function): Don't do so.
2671 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
2674 * tree.c (handle_dll_attribute): Return early if not a
2675 var or function decl.
2677 2006-08-18 Joseph Myers <joseph@codesourcery.com>
2680 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
2681 alignment of SPE vector types.
2683 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
2685 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
2687 2006-08-17 Jakub Jelinek <jakub@redhat.com>
2690 * cgraph.h (struct cgraph_node): Remove externally_visible
2692 * cgraphunit.c (process_function_and_variable_attributes): Set
2693 local.externally_visible rather than externally_visible.
2696 * c-common.c (handle_externally_visible_attribute): First look
2697 at TREE_CODE and only if it is function or var decl, check for
2698 non-public objects. Don't warn for DECL_EXTERNAL.
2699 * cgraphunit.c (process_function_and_variable_attributes): Warn
2700 if externally_visible attribute is used on non-public object.
2702 2006-08-17 Jan Hubicka <jh@suse.cz>
2704 PR tree-optimization/27865
2705 * reload1.c (forget_marked_reloads): New function.
2706 (forget_old_reloads_1): When data are passed, just mark the registers
2708 (reload_as_needed): Use the new mechanizm.
2710 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
2713 * reload.h (reg_equiv_alt_mem_list): New declaration.
2714 * reload1.c (reg_equiv_alt_mem_list): New definition.
2715 (reload): Initialize it and release it.
2716 (delete_output_reload): Use it.
2717 * reload.c (push_reg_equiv_alt_mem): New function.
2718 (find_reloads_toplev): Call it.
2719 (find_reloads_address, find_reloads_address_1): Likewise.
2720 (find_reloads_subreg_address): Likewise.
2722 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2724 PR rtl-optimization/28489
2725 * sched-ebb.c (begin_schedule_ready): Create basic block
2727 (advance_target_bb): Skip empty blocks.
2728 * haifa-sched.c (bb_note): Make global.
2729 * sched-int.h (bb_note): Add prototype.
2731 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2733 PR tree-optimization/27865
2734 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
2736 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
2737 fold_used_pointer, pointer_used_p): New functions.
2738 (analyze_scalar_evolution_1): Use fold_used_pointer.
2739 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
2740 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
2743 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
2746 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
2747 or the INTEGER_CST. Fail on a CALL_EXPR.
2748 (fold_offsetof): Pass new argument to fold_offsetof_1.
2749 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
2750 operand into an INDIRECT_REF.
2751 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
2753 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2755 PR gcov/profile/26570
2756 * value-prof.c (static_values): Removed.
2757 (tree_find_values_to_profile): Do not set static_values.
2758 (find_values_to_profile): Do not free static_values.
2759 * profile.c (instrument_values): Do not free the values.
2760 (branch_prob): Free the values.
2762 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
2764 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
2766 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
2769 * c-typeck.c (build_component_ref): Combine qualifiers of
2770 structure or union and field.
2772 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2774 PR rtl-optimization/28071
2775 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
2776 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
2777 * tree-into-ssa.c (struct dom_dfsnum): New.
2778 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
2780 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
2781 compute_global_livein.
2782 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
2783 in phi nodes in the correct blocks.
2785 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2787 PR tree-optimization/28364
2788 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
2790 (fold_affine_expr): New function.
2791 (may_eliminate_iv): Use fold_affine_expr.
2793 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2796 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
2799 2006-08-16 Mike Stump <mrs@apple.com>
2801 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
2802 * doc/cppopts.texi (-MD): Likewise.
2804 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
2807 * c-common.c (handle_weak_attribute): Ignore and warn if
2808 not a FUNCTION_ or VAR_DECL.
2810 2006-07-15 Mike Stump <mrs@apple.com>
2813 * c-parser.c (c_parser_typeof_specifier): Don't use
2814 c_finish_expr_stmt, open code desired semantics instead.
2816 2006-08-15 Nick Clifton <nickc@redhat.com>
2818 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
2819 fragment to tmake_file only if threads are enabled.
2820 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
2821 * config/i386/t-gthr-win32: New file. ... here.
2823 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2826 * c-parser.c (c_parser_compound_statement_nostart): Reset
2827 parser->error after each statement.
2829 2006-08-15 Jakub Jelinek <jakub@redhat.com>
2832 * omp-low.c (lower_omp_parallel): Convert t to
2833 receiver_decl's type.
2834 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
2835 source before comparison.
2838 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
2839 to itype in assignment to oldival2.
2841 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
2845 * c-typeck.c (build_compound_expr): If the second expression
2846 is an error mark, then just return an error mark instead of
2847 creating a COMPOUND_EXPR.
2849 2006-07-14 Mike Stump <mrs@apple.com>
2851 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
2853 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
2855 * c-decl.c, var-tracking.c: Fix comment typos.
2857 2006-08-14 Richard Sandiford <richard@codesourcery.com>
2859 PR rtl-optimization/28634
2860 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
2861 for floating-point modes unless flag_unsafe_math_optimizations.
2863 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
2864 Andrew Pinski <pinskia@physics.uc.edu>
2867 * tree.c (build_array_type): Unify array types with
2868 unspecified index_type.
2869 * c-decl.c (grokdeclarator): Make sure we do not modify a
2870 unified incomplete array type.
2871 * c-typeck.c (store_init_value): Create distinct type before
2872 filling in the index type in an initializer from a compound
2875 * c-decl.c (grokdeclarator): Remove code where we copy the
2878 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
2880 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
2881 into account for TODO_dump_cgraph.
2882 (TODO_update_ssa_no_phi): Likewise.
2883 (TODO_update_ssa_full_phi): Likewise.
2884 (TODO_update_ssa_only_virtuals): Likewise.
2885 (TODO_remove_unused_locals): Likewise.
2886 (TODO_set_props): Likewise.
2887 (TODO_update_stmt_usage): Likewise.
2889 2006-08-13 Dirk Mueller <dmueller@suse.de>
2891 * c-common.c (strict_aliasing_warning): Fix formatting.
2893 2006-08-13 Matthias Klose <doko@debian.org>
2895 * doc/invoke.texi: Fix spelling errors.
2897 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2899 PR rtl-optimization/23454
2900 * reorg.c (relax_delay_slots): Update comment.
2902 2006-08-11 Richard Guenther <rguenther@suse.de>
2905 * simplify-rtx.c (simplify_const_relational_operation):
2906 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
2909 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
2911 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
2912 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
2914 2006-08-10 Paul Brook <paul@codesourcery.com>
2916 * final.c (final_scan_insn): Clear current_insn_predicate before
2917 outputting inline asm.
2919 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
2921 PR tree-optimization/26197
2922 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
2923 get_ref_base_and_extent and overlap_subvar to add only relevant
2924 subvars as may-aliases.
2925 (add_may_alias_for_new_tag): New function, factored out of
2927 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
2928 with additional argument.
2929 * tree-flow.h (new_type_alias): Takes additional argument.
2931 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
2933 * gcov.c (no_data_file): New flag.
2934 (read_count_file): Set it if data file not present. Assume counts
2936 (output_lines): Don't name the data file, if there wasn't one.
2938 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
2940 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
2941 (rs6000_generate_compare): Tweak comments.
2942 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
2944 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
2946 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
2947 (var_debug_decl): New function.
2948 (var_reg_set): Follow debug decl link. Add location even if
2949 reg is already known to hold some other variable.
2950 (var_mem_set): Follow debug decl link.
2951 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
2952 decl link. Delete other known locations of the variable part
2954 (var_reg_delete, var_mem_delete): Delete other known locations
2955 of the variable part if requested.
2956 (same_variable_part_p): New function.
2957 (add_stores): Select MO_COPY when appropriate.
2958 (vt_initialize): Handle it.
2959 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
2960 known locations for MO_SET and MO_CLOBBER.
2961 (find_variable_location_part): New function.
2962 (set_variable_part, delete_variable_part): Use it.
2963 (clobber_variable_part): New function.
2964 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
2967 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
2969 PR tree-optimization/26969
2970 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
2971 with an empty list of PHIs.
2973 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
2977 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
2980 2006-08-06 Andreas Schwab <schwab@suse.de>
2982 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
2983 string. Whitespace and comment fixup.
2985 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2988 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
2992 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
2995 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
2997 2006-08-04 Jan Hubicka <jh@suse.cz>
3001 * reload.c (push_reload): Patch out the mismatching instruction;
3003 (find_reload): Bail out if the instruction was patched out.
3005 2006-08-04 Jan Hubicka <jh@suse.cz>
3007 PR tree-optimization/24888
3008 * tree-inline.c (expand_call_inline): Do not re-record variables.
3009 (declare_inline_vars): Add variable to unexpanded_var_list.
3011 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3012 Roger Sayle <roger@eyesopen.com>
3014 PR rtl-optimization/26244
3015 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
3016 inner_const are negative or greater than or equal to the bitsize of
3017 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
3018 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
3019 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
3020 CONST0_RTX (mode) when the new shift count is greater than or equal to
3021 to the bitsize of the object being shifted and XEXP (y, 0) has no side
3024 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
3026 * tree-cfg.c: Fix a comment typo.
3028 2006-08-03 Mark Mitchell <mark@codesourcery.com>
3031 * varasm.c (output_constant): Give the front end another chance to
3032 expand constants, after stripping NOPs.
3034 2006-08-03 Jan Hubicka <jh@suse.cz>
3036 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
3039 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
3041 PR tree-optimization/27770
3042 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
3043 declaration removed (moved to tree-flow.h).
3044 (vect_can_force_dr_alignment_p): Likewise.
3045 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
3046 (moved from tree-vectorizer.h).
3047 (vect_can_force_dr_alignment_p): Likewise.
3048 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
3049 from outside the vectorizer - in particular from cgraph stage.
3050 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
3051 the alignment of global arrays when -fsection-anchors is enabled.
3052 * cgraphunit.c (cgraph_increase_alignment): New function.
3053 (cgraph_optimize): Call cgraph_increase_alignment.
3055 2006-08-03 David Edelsohn <edelsohn@gnu.org>
3058 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
3059 not reload a SPE symbol_ref into a lo_sum address.
3061 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
3064 * dwarf2out.c (prune_unused_types_prune): Move call to
3065 prune_unused_types_update_strings to cover the parent DIE also.
3067 2006-08-02 Jan Hubicka <jh@suse.cz>
3069 PR gcov/profile/28480
3070 * tree-cfg.c (change_bb_for_stmt): New function.
3071 (tree_merge_blocks, tree_split_blocks): Use it.
3073 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3079 * toplev.c (compile_file): Return early on errorcount or sorrycount.
3080 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
3081 (cgraph_optimize): Likewise.
3083 2006-08-01 Stuart Hastings <stuart@apple.com>
3085 * rtl.h (UINTVAL) New.
3086 * config/rs6000/rs6000.c (SMALL_INT) Use it.
3087 * testsuite/gcc.dg/20060801-1.c: New.
3089 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
3092 * c-typeck.c (build_external_type): Mark used enum types.
3093 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
3095 (gen_subprogram_die): Whitespace fix.
3097 2006-08-01 Jan Hubicka <jh@suse.cz>
3099 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
3100 bitmap when not needed.
3101 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
3104 2006-08-01 Dirk Mueller <dmueller@suse.de>
3106 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
3108 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3110 * Makefile.in: Revert part of previous patch:
3111 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
3114 2006-07-30 Eric Christopher <echristo@apple.com>
3117 * doc/extend.texi (i386 Variable Attributes): Add anchor.
3118 (PowerPC Variable Attributes): New section.
3120 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
3122 PR target/28126 (partial fix)
3123 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
3125 2006-07-28 Jan Hubicka <jh@suse.cz>
3127 PR rtl-optimization/28071
3128 * cfgrtl.c (rtl_delete_block): Free regsets.
3129 * flow.c (allocate_bb_life_data): Re-use regsets if available.
3131 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3133 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
3134 and variables used in dependencies.
3136 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
3138 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
3139 %fs for -mcmodel=kernel.
3140 (stack_tls_protect_test_di): Likewise.
3142 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
3144 * Makefile.in: Use mkinstalldirs.
3146 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
3149 * opts-common.c (prune_options): Skip joined switches.
3151 2006-07-27 Jan Hubicka <jh@suse.cz>
3153 PR rtl-optimization/28071
3154 * cselib.c (cselib_process_insn): Don't remove useless values too
3155 often for very large hashtables.
3157 2006-07-27 Jan Hubicka <jh@suse.cz>
3159 PR rtl-optimization/28071
3160 * global.c (greg_obstack): New obstack.
3161 (allocate_bb_info): Use it.
3162 (free_bb_info): Likewise.
3163 (modify_reg_pav): Likewise.
3165 2006-07-27 Roger Sayle <roger@eyesopen.com>
3167 * builtins.c (fold_fixed_mathfn): When long and long long are the
3168 same size, canonicalize llceil*, llfloor*, llround* and llrint*
3169 functions to their lceil*, lfloor*, lround* and lrint* forms.
3171 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3174 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
3176 (rev_branch_insn): Likewise.
3178 2006-07-27 Jan Hubicka <jh@suse.cz>
3180 PR rtl-optimization/28071
3181 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
3182 (reg_set_in_bb, max_reg_computed): New static variables.
3183 (regmove_optimize): Free the new array.
3184 (fixup_match_1): Update call of reg_is_remote_constant_p.
3186 2006-07-26 Jan Hubicka <jh@suse.cz>
3188 PR tree-optimization/27882
3189 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
3191 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
3193 (cgraph_analyze_compilation_unit): Likewise.
3194 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
3195 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
3196 (cgraph_early_inlinine): Make order garbage collected.
3197 * Makefile.in (gt-ipa-inline): New garbagecollected file.
3199 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3201 * dbxout.c (output_types_sort): Add a comment.
3202 (output_used_types): Free the VEC.
3204 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3206 * function.c (reorder_fix_fragments): Delete.
3207 (reorder_blocks): Don't call it.
3208 (reorder_blocks_1): Put all subblocks under the origin block.
3210 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
3212 PR rtl-optimization/27907
3213 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
3216 2006-07-25 Roger Sayle <roger@eyesopen.com>
3219 * convert.c (convert_to_integer): When transforming (T)foo(x) into
3220 bar(x) check that bar's result type can represent all the values of T.
3222 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
3224 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
3226 2006-07-25 Nick Clifton <nickc@redhat.com>
3228 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
3229 size_lookup[] array.
3230 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
3231 (ggc_pch_count_object): Likewise.
3232 (ggc_pch_alloc_object): Likewise.
3233 (ggc_pch_write_object): Likewise.
3234 (init_ggc): Do not attempt to initialize entries in the
3235 size_lookup[] array for objects whose size is greater than than
3236 the length of the array.
3238 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
3240 * dbxout.c (output_used_types_helper): Push queued types
3242 (output_types_sort): New.
3243 (output_used_types): Collect used types on a VEC and sort them
3246 2006-07-24 Richard Guenther <rguenther@suse.de>
3249 * cgraph.c (cgraph_remove_node): Do not check if dumps
3251 * cgraphunit.c (cgraph_optimize): Likewise.
3253 2006-07-24 Jan Hubicka <jh@suse.cz>
3255 PR rtl-optimization/28071
3256 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
3257 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
3258 splitting before first stmt.
3260 2006-07-24 Jan Hubicka <jh@suse.cz>
3262 PR rtl-optimization/28071
3263 * ipa-inline.c (update_caller_keys): Remove edges that
3264 are no longer inline candidates.
3266 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
3269 * dbxout.c (output_used_types_helper, output_used_types): New.
3270 (dbxout_symbol): Call output_used_types.
3272 2006-07-23 Jan Hubicka <jh@suse.cz>
3276 * cgraph.c (cgraph_varpool_nodes): Export.
3277 (decide_is_variable_needed): Ignored "used" attribute in
3278 unit-at-a-time mode.
3279 * cgraph.h (cgraph_varpool_nodes): Declare.
3280 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
3281 unit-at-a-time mode.
3283 2006-07-23 Roger Sayle <roger@eyesopen.com>
3286 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
3287 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
3288 the __gthrw form of thr_keycreate.
3289 (__gthread_key_delete): Silence the unused argument warning.
3291 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
3294 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
3295 Cache the last found '\0' marker to avoid quadratic behavior.
3297 2006-07-23 Jan Hubicka <jh@suse.cz>
3299 * i386.md (subsi_3_zext): Fix output template.
3301 2006-07-21 Mike Stump <mrs@apple.com>
3303 * doc/invoke.texi (C++ Dialect Options): Note that
3304 -fvisibility-inlines-hidden doesn't affect explicitly
3305 instantiationed inline methods.
3307 2006-07-20 Roger Sayle <roger@eyesopen.com>
3309 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
3310 if the target assembler is GNU binutils' gas.
3311 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
3312 whether to pass GNU gas or native as command line options.
3314 2006-07-20 Jason Merrill <jason@redhat.com>
3316 * tree.c (remove_attribute): New fn.
3317 * tree.h: Declare it.
3319 2006-07-20 Paul Brook <paul@codesourcery.com>
3322 * cse.c (cse_insn): Add destination addresses to hash table. Check if
3323 they are invalidated by this instruction.
3325 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
3328 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
3330 2006-07-20 Eric Christopher <echristo@apple.com>
3333 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
3335 2006-07-19 Eric Christopher <echristo@apple.com>
3337 * config/t-slibgcc-darwin (stmp-lipo): Remove.
3338 Rewrite dependencies for libgcc_s.1.dylib.
3340 2006-07-19 Jakub Jelinek <jakub@redhat.com>
3342 * except.c (duplicate_eh_regions_1): Clear next_peer.
3344 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
3346 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
3347 -mlongcall does not guarantee all calls will be long.
3348 * doc/extend.texi (long_call/short_call): Document that longcall
3349 does not guarantee a long call will be used.
3350 (longcall/shortcall): Likewise.
3352 2006-07-18 Roger Sayle <roger@eyesopen.com>
3355 * expmed.c (expand_shift): Additionally check that the shift_cost
3356 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
3357 before implementing a LSHIFT_EXPR as a sequence of additions.
3358 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
3359 middle-end that DImode shifts need to be synthesized by expand.
3361 2006-07-18 Diego Novillo <dnovillo@redhat.com>
3364 * tree-ssa-operands.c (access_can_touch_variable): Update
3366 Return true if ALIAS is .GLOBAL_VAR.
3368 2006-07-18 David Daney <ddaney@avtrex.com>
3370 * gcc.c (display_help): Fix typo in help text.
3372 2006-07-18 Olivier Hainque <hainque@adacore.com>
3374 * tree.h (categorize_ctor_elements): Adjust prototype and add
3375 descriptive comment, both in accordance with the interface change
3377 * varasm.c (constructor_static_from_elts_p): New function.
3378 Whether a constructor node is a valid static constant initializer
3379 if all its elements are.
3380 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
3381 * output.h: Declare it.
3382 * expr.c (categorize_ctor_elements_1): Return whether the constructor
3383 is a valid constant initializer instead of computing the number of
3384 non-constant elements. Use constructor_static_from_elts_p for this
3385 purpose. Replace the head comment with an indication that this is a
3386 helper for categorize_ctor_elements.
3387 (categorize_ctor_elements): Same interface change as for the _1
3388 helper. Former head comment from this helper moved here, adjusted to
3389 account for the interface changes.
3390 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
3391 (all_zeros_p): Likewise.
3392 * gimplify.c (gimplify_init_constructor): Decide whether we can make
3393 static versions of the constructor from the categorize_ctor_elements
3394 return value instead of the formerly computed number of non-constant
3397 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
3399 * configure: Regenerate.
3400 * Makefile.in (build_libsubdir): New configure substitution
3401 (build_libobjdir): New variable.
3402 (BUILD_LIBIBERTY): Use it.
3404 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3407 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
3409 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
3412 * c-common.c (handle_weakref_attribute): Ignore attribute in
3413 the same conditions the alias attribute is ignored.
3415 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
3417 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
3418 (dbxout_begin_prologue): Increment scope_labelno.
3420 2006-07-17 Richard Henderson <rth@redhat.com>
3423 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
3426 2006-07-17 Roger Sayle <roger@eyesopen.com>
3427 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3429 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
3430 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
3431 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
3432 functions such as sbrk, write, etc.. Add function prototypes.
3433 Convert function declarations from K&R to ISO C. Cast pointers
3434 to "long" and "unsigned long" instead of "int" and "unsigned int".
3435 Convert tokens following #endif into comments.
3437 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
3439 * invoke.texi: Remove mention of f77; Reformat table for
3440 inline parameter options correctly; mention that -malign-double
3441 is default on x86-64 targets.
3443 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
3445 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
3446 (convert_affine_scev, chrec_convert_aggressive): Use
3447 avoid_arithmetics_in_type_p. Do not check for the subtypes
3450 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3453 * optabs.c (expand_doubleword_shift): Wrap the call to
3454 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
3456 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3459 * optabs.c (expand_binop): Pass next_methods rather than methods
3460 to expand_doubleword_shift.
3462 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
3465 * tree.h (dump_addr): Declare.
3466 * print-tree.c (dump_addr): New function.
3467 (print_node_brief, print_node): Use it.
3468 * print-rtl.c (print_rtx): Likewise.
3469 * common.opt (-fdump-noaddr): New option.
3470 * doc/invoke.texi (-fdump-noaddr): Document.
3471 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
3472 (ve_info_hash): Likewise.
3474 2006-07-13 Andrew Haley <aph@redhat.com>
3476 PR tree-optimization/19505
3477 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
3478 edge leaving this block, make sure that the destination of this
3479 block has only one predecessor.
3481 2006-07-17 Richard Guenther <rguenther@suse.de>
3483 PR tree-optimization/28238
3484 * tree-inline.c (copy_bb): Check if we produced valid
3485 gimple copying and substituting a stmt. If not, gimplify
3488 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
3490 * optabs.c (maybe_encapsulate_block): New function extracted from...
3491 (emit_libcall_block): ...here. Invoke it on the block of insns to
3492 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
3493 (emit_no_conflict_block): Likewise.
3495 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
3497 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
3499 2006-07-15 Roger Sayle <roger@eyesopen.com>
3501 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
3502 a new NOP_EXPR case of the switch statement.
3504 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
3507 * stor-layout.c (place_field): Take the bit field with
3508 an excessive size into account in the ms-bitfiled case.
3511 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
3512 the previous bit field.
3514 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
3517 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
3519 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
3521 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
3522 signal frames correctly even when the signal was installed with
3525 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
3527 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
3528 (dbxout_function_end): Use local label LFBB. Remove hook
3530 (dbxout_source_line): Use local label LFBB.
3531 (dbxout_block): Likewise.
3532 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
3533 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
3534 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
3535 and DBX_OUTPUT_NFUN.
3537 2006-07-13 Janis Johnson <janis187@us.ibm.com>
3539 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
3541 2006-07-13 Jan Hubicka <jh@suse.cz>
3543 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
3545 * output.h (align_variable): Declare.
3546 * varasm.c (align_variable): Export.
3547 * value-prof.c (tree_value_profile_transformations): Recompute iterator
3548 when basic block changed.
3550 2006-07-13 Nick Clifton <nickc@redhat.com>
3552 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
3553 walking the LOG_LINKS chain.
3555 2006-07-12 Geoffrey Keating <geoffk@apple.com>
3557 * doc/invoke.texi (C++ Dialect Options): Explain difference
3558 between -fvisibility-inlines-hidden and setting hidden
3559 visibility explicitly.
3561 2006-07-12 Eric Christopher <echristo@apple.com>
3563 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
3564 (stmp-lipo): Depend on libgcc.a.
3566 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
3568 * tree.c: Fix a comment typo.
3570 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
3572 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
3574 (umulhisi3_r): Likewise.
3576 2006-07-12 Paolo Carlini <pcarlini@suse.de>
3579 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
3580 x < 19, vs wchar_t support.
3582 2006-07-12 Nick Clifton <nickc@redhat.com>
3584 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
3585 instead of -isa=sh4.
3587 2006-07-12 Mike Stump <mrs@apple.com>
3589 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
3591 2006-07-10 Eric Christopher <echristo@apple.com>
3593 * config/t-slibgcc-darwin: Rewrite.
3595 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
3598 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
3601 2006-07-08 Matthias Klose <doko@debian.org>
3603 * doc/sourcebuild.texi: Fix typo.
3605 2006-07-07 Mike Stump <mrs@apple.com>
3607 * toplev.c (process_options): Don't give -ffunction-sections may
3608 affect debugging warning for Mach-O.
3610 2006-07-07 James E Wilson <wilson@specifix.com>
3612 * config/mips/mips.md (cpu): Add sb1a.
3613 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
3614 addition to sb1. Adjust comments to clarify SB-1A differences from
3616 (ir_sb1a_load): New. Modify bypasses to use it.
3617 (ir_sb1a_simple_alu): Likewise.
3618 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
3619 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
3620 (mips_issue_rate): Add PROCESSOR_SB1A.
3621 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
3622 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
3623 (TARGET_SB1): Add PROCESSOR_SB1A check.
3624 (TUNE_SB1): Likewise.
3626 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
3627 * config/mips/mips.c (mips_store_data_bypass_p): New.
3628 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
3629 store_data_bypass_p.
3631 2006-07-08 Paul Brook <paul@codesourcery.com>
3634 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
3636 2006-07-07 Richard Guenther <rguenther@suse.de>
3639 * tree.h (build_one_cst): Declare.
3640 * tree.c (build_one_cst): New function.
3641 * tree-ssa-math-opts.c (get_constant_one): Remove.
3642 (insert_reciprocals): Use build_one_cst.
3643 * fold-const.c (fold_plusminus_mult): Likewise.
3645 2006-07-07 Roger Sayle <roger@eyesopen.com>
3647 * pointer-set.c (pointer_set_destroy): Correct whitespace.
3648 * cfgloopanal.c (dump_graph): Likewise.
3649 * dojump.c (discard_pending_stack_adjust): Likewise.
3650 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
3652 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
3653 * function.c (finalize_block_changes): Likewise.
3654 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
3655 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
3656 * rtl.c (dump_rtx_statistics): Likewise.
3657 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
3659 * varray.c (dump_varray_statistics): Likewise.
3660 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
3661 decode_decimal64, encode_decimal128, decode_decimal128,
3662 decimal_real_to_decimal): Likewise.
3664 2006-07-07 Richard Guenther <rguenther@suse.de>
3666 PR tree-optimization/28187
3667 * tree-vrp.c (vrp_operand_equal_p): New function.
3668 (vrp_bitmap_equal_p): Likewise.
3669 (update_value_range): Use them to compare old and new
3672 2006-07-06 Roger Sayle <roger@eyesopen.com>
3674 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
3675 a default case to switch statement to silence compiler warnings.
3677 2006-07-06 Roger Sayle <roger@eyesopen.com>
3680 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
3681 the configured assembler supports the x87's ffreep mnemonic.
3682 * configure: Regenerate.
3683 * config.in: Regenerate.
3685 * config/i386/i386.c (output_387_ffreep): New function.
3686 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
3687 (output_387_reg_move): Likewise.
3689 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
3691 Port to hosts whose 'sort' and 'tail' implementations
3692 treat operands with leading '+' as file names, as POSIX
3693 has required since 2001. However, make sure the code still
3694 works on pre-POSIX hosts.
3695 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
3696 which says you should use "tail -c +N" rather than "tail +Nc".
3697 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
3699 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
3701 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
3704 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3707 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
3708 PRE_{INC,DEC} of TFmode.
3710 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3711 Alan Modra <amodra@bigpond.net.au>
3714 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
3717 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3720 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
3721 Remove duplicate gtu.
3723 2006-07-05 Jason Merrill <jason@redhat.com>
3727 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
3728 * c-common.c (handle_packed_attribute): So don't copy it here.
3729 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
3731 2006-07-05 Mike Stump <mrs@apple.com>
3733 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
3735 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
3738 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
3740 2006-07-05 Richard Guenther <rguenther@suse.de>
3743 * config/i386/i386.md (*negdf2_1): Restrict pattern to
3744 TARGET_SSE2 targets if using SSE math.
3745 (*absdf2_1): Likewise.
3747 2006-07-05 Richard Guenther <rguenther@suse.de>
3749 PR tree-optimization/28162
3750 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
3751 make sure to convert the operands to the correct type.
3753 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
3755 PR tree-optimization/28218
3757 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
3758 to calculate and free the dominator information.
3760 2006-07-04 Peter O'Gorman <peter@pogma.com>
3762 * mklibgcc.in: chmod 644 before ranlib during install.
3764 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
3765 J"orn Rennecke <joern.rennecke@st.com>
3767 * configure.ac (.eh_frame data check): Use diff -b.
3769 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3772 * Makefile.in (BUILD_RTL): Add build/vec.o.
3773 (build/gencondmd.o): Filter out -fkeep-inline-functions.
3774 (build/genextract): Delete.
3775 (build/genautomata): Likewise.
3777 2006-07-04 Alan Modra <amodra@bigpond.net.au>
3780 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
3781 128-bit IBM long doubles for ABI_V4.
3783 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
3785 * tree.c (range_in_array_bounds_p): New predicate.
3786 * tree.h (range_in_array_bounds_p): Declare it.
3787 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
3788 return a less conservative answer.
3789 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
3790 and flag 'is_group'.
3791 (IS_ELEMENT_FOR_GROUP): New macro.
3792 (FOR_EACH_ACTUAL_CHILD): Likewise.
3793 (next_child_for_group): New helper function.
3794 (can_completely_scalarize_p): Take into account groups.
3795 (sra_hash_tree): Handle RANGE_EXPR.
3796 (sra_elt_eq): Likewise.
3797 (lookup_element): Be prepared for handling groups.
3798 (is_valid_const_index): Delete.
3799 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
3800 instead of is_valid_const_index.
3801 <ARRAY_RANGE_REF>: New case.
3802 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
3803 is_valid_const_index.
3804 <ARRAY_RANGE_REF>: Do not unconditionally punt.
3805 (scan_dump): Dump info for groups too.
3806 (decide_instantiation_1): Likewise.
3807 (decide_block_copy): Assert that the element is not a group.
3808 Propagate decision to groups.
3809 (generate_one_element_ref): Handle RANGE_EXPR.
3810 (mark_no_warning): Iterate over actual childs.
3811 (generate_copy_inout): Likewise.
3812 (generate_element_copy): Likewise.
3813 (generate_element_zero): Likewise.
3814 (generate_element_init_1): Likewise.
3815 (dump_sra_elt_name): Handle RANGE_EXPR.
3817 2006-07-03 Roger Sayle <roger@eyesopen.com>
3819 PR tree-optimization/26251
3820 * tree-ssa-threadupdate.c (redirection_block_p): New function.
3821 (thread_block): When optimizing for size refuse to thread jumps
3822 that would require duplication of blocks other than redirection
3825 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3827 * configure.ac: Fix thinko in previous check-in.
3828 * configure: Regenerate.
3830 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3833 * configure.ac (for lang...): Simplify nesting of conditionals.
3834 Test subdir_requires for non-enabled languages. Move processing
3835 of lang_opt_files and lang_tree_fiels below that test.
3836 * configure: Regenerate.
3837 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
3839 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
3841 * doc/gcov.texi (Invoking Gcov): Add a missing word.
3843 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
3845 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
3848 2006-06-29 Jason Merrill <jason@redhat.com>
3855 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
3856 * c-common.c (c_determine_visibility): Handle it here.
3857 * c-decl.c (finish_decl): Call c_determine_visibility for
3859 * flags.h (enum symbol_visibility): Sort from most to least visibility.
3861 * varasm.c (default_assemble_visibility): Likewise.
3862 * c-common.c (handle_visibility_attribute): Complain about trying
3863 to give visibility to an already defined class, or trying to change
3864 declared visibility. Always attach the attribute.
3869 * attribs.c (decl_attributes): Ignore type-in-place attributes
3870 once the type has been defined.
3872 2006-06-29 Roger Sayle <roger@eyesopen.com>
3875 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
3876 to indicate the cpplib has issued an error message for us.
3878 2006-06-29 Asher Langton <langton2@llnl.gov>
3881 * config/i386/i386.c (ix86_output_function_epilogue): Don't
3882 insert a label at the end of an function under Mach-O.
3884 2006-06-29 Eric Christopher <echristo@apple.com>
3885 Evan Cheng <evan.cheng@apple.com>
3887 * predicates.md (vector_all_ones_operand): New.
3888 (nonimmediate_or_sse_const_operand): Ditto.
3889 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
3890 * config/i386/i386.c (standard_sse_constant_opcode): Define.
3891 (standard_sse_mode_p): Ditto.
3892 (standard_sse_constant_p): Add case for -1 vector.
3893 (ix86_expand_vector_move): Try to use.
3894 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
3895 Call standard_sse_constant_opcode.
3896 (*movv4sf_internal): Ditto.
3897 (*movv2df_internal): Ditto.
3899 2006-06-29 Roger Sayle <roger@eyesopen.com>
3901 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
3902 of XEXP to extract the operands of a MATCH_CODE rtx.
3904 2006-06-28 Andrew Pinski <pinskia@gmail.com>
3906 * tree.c (tree_size): Do not waste tail padding in
3907 struct tree_string and make the size be the same as
3908 build_string will generate.
3910 2006-06-28 Jason Merrill <jason@redhat.com>
3913 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
3914 may_aliases already in the tag's annotations to the bitmap.
3916 2006-06-28 Roger Sayle <roger@eyesopen.com>
3918 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
3920 2006-06-28 Roger Sayle <roger@eyesopen.com>
3922 * genpreds.c (generate_switch_p): New function.
3923 (add_mode_tests): Push the new mode test down inside an AND expr
3924 if this allows the switch-suitable MATCH_CODE to be near the root.
3925 (write_match_code_switch): New function to write a MATCH_CODE as
3927 (write_predicate_stmts): New function to write a predicate RTX
3928 expression as a sequence of statements.
3929 (write_one_predicate_function): Use write_predicate_stmts.
3930 (write_tm_constrs_h): Likewise.
3932 2006-06-26 Fred Fish <fnf@specifix.com>
3934 * config/mips/t-sb1: New file.
3935 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
3938 2006-06-26 DJ Delorie <dj@redhat.com>
3940 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
3942 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
3943 Jayant Sonar <jayants@kpitcummins.com>
3944 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
3946 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
3947 (subsi3, subsi3_1, subsi3_2): New.
3948 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
3949 * config/m32c/mov.md (SI mov peephole): New.
3950 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
3951 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
3953 2006-06-26 Olivier Hainque <hainque@adacore.com>
3955 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
3956 a CALL_EXPR target function declaration.
3958 2006-06-26 Richard Guenther <rguenther@suse.de>
3960 * tree.c (build_string): Do not waste tail padding in
3963 2006-06-26 Richard Guenther <rguenther@suse.de>
3965 * ggc-page.c (init_ggc): Add missing element to size_lookup
3969 2006-06-23 Richard Guenther <rguenther@suse.de>
3971 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
3972 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
3973 alignment requests instead. Add verification code.
3974 Add struct tree_function_decl and struct tree_binfo size to
3975 extra_order_size_table. Add missing element to size_lookup
3978 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
3981 * fold-const.c (const_binop): Be prepared for self returning zero.
3982 Simplify code handling complex values.
3984 2006-06-24 Olivier Hainque <hainque@adacore.com>
3986 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
3987 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
3990 2006-06-24 Olivier Hainque <hainque@adacore.com>
3992 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
3993 ARRAY_REF, so have the callback called for the low bound expression.
3995 2006-06-23 Janis Johnson <janis187@us.ibm.com>
3997 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
3998 * c-typeck.c (c_common_type): Disallow operations on decimal float
3999 types and other float types.
4000 * convert.c (convert_to_real): Don't ignore conversions involving
4001 decimal float types.
4003 2006-06-23 Olivier Hainque <hainque@adacore.com>
4005 * tree.c (max_int_size_in_bytes): New function, inspired from
4006 code in function.c:assign_temp.
4007 * tree.h (max_int_size_in_bytes): Declare.
4008 * function.c (assign_temp): Use it.
4009 * gimplify.c (create_tmp_var): Relax the assertions on the type
4010 properties, not mandating constant size any more.
4011 (force_constant_size): New static function.
4012 (gimple_add_tmp_var): Use it, forcing variable size to a
4013 constant upper bound if it is not constant on entry.
4015 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
4018 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
4019 for initialization and setting of one_only flag to ...
4020 (i386_pe_encode_section_info): ...here.
4021 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
4022 Recheck that the symbol has not been defined.
4024 2006-06-23 Richard Guenther <rguenther@suse.de>
4026 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4027 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4028 alignment requests instead. Add verification code.
4029 Add struct tree_function_decl and struct tree_binfo size to
4030 extra_order_size_table. Add missing element to size_lookup
4033 2006-06-22 Roger Sayle <roger@eyesopen.com>
4034 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4037 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
4038 call to lang_hooks.types.type_for_mode returned NULL_TREE.
4040 2006-06-23 Ben Elliston <bje@au.ibm.com>
4042 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
4043 negate dn -- manipulate it directly.
4045 2006-06-22 Roger Sayle <roger@eyesopen.com>
4046 Steven Bosscher <stevenb.gcc@gmail.com>
4049 * reload1.c (gen_reload): Call mark_jump_label on the new insns
4050 generated by gen_move_insn to add REG_LABEL notes if necessary.
4052 2006-06-22 Bob Wilson <bob.wilson@acm.org>
4054 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
4055 (leaf_entry): Remove use of MIN_ESA.
4057 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
4059 PR rtl-optimization/28121
4060 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
4063 2006-06-21 DJ Delorie <dj@redhat.com>
4065 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
4067 (mulhisi3_r): Likewise.
4069 2006-06-21 Richard Sandiford <richard@codesourcery.com>
4072 * coverage.c (coverage_counter_alloc): Leave the index type
4074 (coverage_counter_alloc): Use null arguments for operands 2 and 3
4077 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
4079 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
4080 section from the "Options for Code Generation Conventions".
4082 2006-06-21 Richard Henderson <rth@redhat.com>
4086 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
4088 (global_symbolic_operand): Allow weak symbols, even if local_p.
4090 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
4092 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
4093 (find_interesting_uses_address): Punt if above function returns true.
4095 2006-06-21 Richard Guenther <rguenther@suse.de>
4097 * configure: Regenerated.
4099 2006-06-21 Joseph Myers <joseph@codesourcery.com>
4101 * config/mips/mips.c (function_arg): Where one part of a
4102 complex argument is in registers and the other part in the stack,
4103 return a REG not a PARALLEL.
4105 2006-06-21 Mark Mitchell <mark@codesourcery.com>
4107 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
4108 when cross-compiling. Do not substitute libstdcxx_incdir.
4109 * configure: Regenerated.
4111 2006-06-21 Jakub Jelinek <jakub@redhat.com>
4113 * varasm.c (mergeable_string_section): Check for embedded NULs and
4114 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
4115 rather than TREE_STRING_LENGTH bytes.
4117 2006-06-21 Richard Guenther <rguenther@suse.de>
4119 * ggc-page.c (extra_order_size_table): Add var_ann_d,
4120 tree_ssa_name, bitmap_element and phi_node with 4 arguments
4123 2006-06-21 Richrad Guenther <rguenther@suse.de>
4125 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
4126 Limit iteration over the dominators.
4128 2006-06-20 Roger Sayle <roger@eyesopen.com>
4130 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
4131 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
4133 2006-06-20 Richard Guenther <rguenther@suse.de>
4134 Michael Matz <matz@suse.de>
4136 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
4138 * alloc-pool.c (free_alloc_pool_if_empty): New function.
4139 * et-forest.h (et_free_pools): Prototype new function.
4140 * et-forest.c (et_free_tree_force): Free parent occurrence.
4141 (et_free_pools): New function.
4142 * dominance.c (free_dominance_info): Free et-forest alloc
4145 2006-06-20 Roger Sayle <roger@eyesopen.com>
4147 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
4148 integer modes, attempt to directly construct an integer constant.
4150 * fold-const.c (native_encode_vector): Determine the size of each
4151 element from the vector type instead of the first vector element.
4153 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
4154 if all of its elements/components are constant.
4155 (build_constructor_from_list): Likewise.
4157 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
4159 PR tree-optimization/27331
4160 * tree-data-ref.c (free_data_ref): New function.
4161 (create_data_ref): Fail if the data reference has unknown access
4163 (free_data_refs): Use free_data_ref.
4165 2006-06-19 Andrew Pinski <pinskia@gmail.com>
4168 * tree-inline.c (setup_one_parameter): Strip useless
4169 type conversion before adding it to the IR.
4170 (declare_return_variable): Likewise.
4172 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
4175 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
4177 2006-06-19 Mike Stump <mrs@apple.com>
4179 * tree.c (variably_modified_type_p): VM arguments don't make the
4182 2006-06-19 Richard Guenther <rguenther@suse.de>
4184 * tree-ssa-pre.c (try_combine_conversion): Strip useless
4185 type conversions after folding.
4187 2006-06-19 Richard Guenther <rguenther@suse.de>
4189 * ggc-page.c (extra_order_size_tab): Add entries with
4190 size of struct function and basic_block.
4191 (size_lookup): Extend to cover sizes up to 511.
4192 (ggc_alloc_stat): Adjust user.
4193 (ggc_pch_count_object): Likewise.
4194 (ggc_pch_alloc_object): Likewise.
4195 (ggc_pch_write_object): Likewise.
4197 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
4199 * tree-ssa-loop-niter.c (implies_ge_p): New function.
4200 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
4203 2006-06-19 Denis Chertykov <denisc@overta.ru>
4205 * config/avr/libgcc.S : Correct my wrong previous commit.
4207 2006-06-19 Roger Sayle <roger@eyesopen.com>
4210 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
4211 have stripped a SUBREG from the shift count, so we may need to
4212 convert_to_mode back to the type's mode before calling make_tree.
4213 Use new_amount instead of amount to avoid expanding a tree twice.
4215 2006-06-19 Richard Guenther <rguenther@suse.de>
4218 * fold-const.c (operand_equal_p): Check if the argument types
4219 have the same precision before stripping NOPs.
4221 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
4223 Fix PR tree-optimization/27341
4224 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
4226 * tree-complex.c (pass_lower_complex): Update SMT usage.
4228 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
4230 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
4231 Add a new alternative to the constraint strings. Add move of
4232 operand 1 to 3 to the splitter definition.
4233 ("doloop_si_long"): Second contraint alternative removed.
4235 2006-06-08 Anatoly Sokolov <aesok@post.ru>
4237 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
4238 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
4240 (AVR_HAVE_MOVW) Define.
4241 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
4242 (ASM_SPEC): Add avr25.
4243 (LINK_SPEC): Add avr25.
4244 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
4245 (base_arch_s): Add new member 'have_movw_lpmx'.
4246 (avr_arch_types): Init 'have_movw_lpmx'.
4247 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
4248 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
4249 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
4250 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
4251 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
4253 (avr_file_start): Do not output '.arh' derective.
4254 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
4255 (__do_copy_data): Use __AVR_HAVE_LPMX__.
4256 * config/avr/avr.md (mcu_enhanced): Delete.
4257 (mcu_have_movw): Define.
4258 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
4259 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
4260 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
4261 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
4262 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
4263 attiny861 and at86rf401 devices.
4265 2006-06-18 Jie Zhang <jie.zhang@analog.com>
4267 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
4270 2006-06-17 Karl Berry <karl@gnu.org>
4272 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
4273 doc/gccint.texi, doc/install.texi (@dircategory): Use
4274 "Software development" instead of "Programming", following
4275 the Free Software Directory.
4277 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
4279 * config/i386/i386.c (legitimate_tls_address)
4280 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
4281 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
4282 (*tls_dynamic_gnu2_combine_64): Likewise.
4284 2006-06-16 Richard Guenther <rguenther@suse.de>
4287 * fold-const.c (negate_expr_p): Do not introduce undefined
4288 overflow in negating INTEGER_CSTs.
4289 (fold_negate_expr): Rename from negate_expr. Revert last
4290 change for folding BIT_NOT_EXPR. Change semantics to
4291 return NULL_TREE for non-simplified negations. Do not
4292 strip type conversions and unify type handling.
4293 (negate_expr): New function, wrap around fold_negate_expr
4294 but ensure building a tree always. Strip type conversions
4295 here, fold to result type.
4296 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
4298 2006-06-16 Roger Sayle <roger@eyesopen.com>
4301 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
4302 that (would) return their results in stack registers.
4304 2006-06-16 Michael Matz <matz@suse.de>
4305 Richard Guenther <rguenther@suse.de>
4307 * fold-const.c (fold_truthop): Only return new tree node if
4308 we canonicalized something.
4310 2006-06-16 Richard Guenther <rguenther@suse.de>
4312 * function.h (enum function_frequency): Move declaration
4313 out of struct function.
4314 (struct function): Move bool fields and the enum to the bitfield
4315 section. Reorder elements to avoid padding. Remove unused
4316 fields left over from the RTL inliner removal.
4317 * function.c (free_after_compilation): Do not zero removed fields.
4318 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
4319 (ipa-type-escape.o): Likewise.
4321 2006-06-16 Richard Guenther <rguenther@suse.de>
4323 * cgraph.h (struct cgraph_local_info): Turn bool elements
4325 (struct cgraph_node): Likewise.
4326 (struct cgraph_varpool_node): Likewise.
4328 2006-06-15 Richard Guenther <rguenther@suse.de>
4330 * fold-const.c (fold_truth_not_expr): Rename from
4331 invert_truthvalue. Give it fold_* semantics to avoid
4333 (invert_truthvalue): New function. Wrapper around
4334 fold_truth_not_expr.
4335 (optimize_minmax_comparison): Avoid creating garbage.
4336 (fold_unary): Use fold_truth_not_expr for folding
4338 (fold_ternary): Replace uses of invert_truthvalue with
4339 fold_truth_not_expr where applicable.
4340 * tree.h (fold_truth_not_expr): Prototype.
4342 2006-06-16 Richard Guenther <rguenther@suse.de>
4344 PR tree-optimization/27781
4345 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
4346 * ipa-pure-const.c (target.h): Include.
4347 (analyze_function): Do not analyze functions that do not
4350 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
4353 * tree-dfa.c (referenced_vars_dup_list): Remove.
4354 (find_referenced_vars): Remove assert.
4355 (referenced_var_check_and_insert): Replace dup list with assert.
4356 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
4357 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
4359 2006-06-15 Richard Guenther <rguenther@suse.de>
4361 * tree-ssa-structalias.c (alias_get_name): Avoid creating
4362 extra unused identifiers if not dumping.
4363 (create_variable_info_for): Likewise.
4365 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
4367 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
4368 (derive_constant_upper_bound): Derive more precise upper bound in
4369 common cases. Return type changed to double_int.
4370 (record_estimate): Reflect the changed return type of
4371 derive_constant_upper_bound.
4372 * double-int.c (double_int_zext, double_int_sext): Fix.
4374 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
4376 * configure.ac (CFLAGS): Get them from the toplevel or from the
4377 configure invocation.
4378 * configure: Regenerate.
4379 * Makefile.in (CFLAGS): Substitute value provided by configure.
4381 2006-06-14 Mark Mitchell <mark@codesourcery.com>
4384 * c-common.h (c_finish_omp_atomic): Adjust declaration.
4385 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
4386 rather than calling add_stmt on it.
4387 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
4389 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
4392 * reload1.c (reload): Remove registers returned by update_eliminables
4393 from used_spill_regs.
4395 2006-06-13 DJ Delorie <dj@redhat.com>
4397 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
4399 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
4401 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
4402 html__strip_dir, html__mkdir_p. Enhance install-html target.
4403 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
4404 * configure: Regenerate.
4406 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
4408 * fold-const.c (fold_cond_expr_with_comparison): Check for
4409 Objective-C++ as language in deciding COND_EXPR transformation.
4411 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
4414 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
4415 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
4416 * config/sh/lib1funcs.h (SL, SL1): Define.
4417 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
4418 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
4419 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
4420 (OBJS_Os_4_200): New variable.
4421 ($(T)libgcc-Os-4-200.a): Use it.
4422 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
4423 when dividing 1 and/or by 0.
4425 2006-06-13 Roger Sayle <roger@eyesopen.com>
4427 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
4428 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
4429 * configure: Regenerate.
4431 2006-06-13 Jie Zhang <jie.zhang@analog.com>
4433 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
4434 for real instruction.
4436 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4439 * haifa-sched.c (check_cfg): Handle special case.
4441 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
4444 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
4445 Add debug_info parameter. Chain the vars to the BLOCK instead
4446 of the BIND_EXPR if debug info are requested for them.
4447 (pop_gimplify_context): Adjust for above change.
4448 (gimple_add_tmp_var): Likewise.
4449 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
4451 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
4452 (convert_local_reference): Likewise.
4453 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
4454 (finalize_nesting_tree_1): Request that debug info be emitted
4455 for debug_var_chain.
4457 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4459 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
4460 for PR target/27863.
4462 2006-06-13 Richard Guenther <rguenther@suse.de>
4465 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
4467 2006-06-13 Richard Guenther <rguenther@suse.de>
4469 PR tree-optimization/27830
4470 * tree-inline.c (copy_body_r): For copying the operand
4471 of an ADDR_EXPR make sure to fold &* afterwards.
4473 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
4475 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
4476 lvalues in the fb_none case with side-effects.
4478 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
4480 * tree-flow.h: Remove the prototype for
4481 compute_phi_arg_on_exit.
4482 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
4483 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
4486 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
4488 * builtins.c (expand_builtin_return_addr): Only use
4489 frame_pointer_rtx when count == 0 and we are expanding
4490 __builtin_return_address.
4492 2006-06-12 Fred Fish <fnf@specifix.com>
4494 * config/mips/mips.c (mips_file_start): Create special section
4495 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
4497 2006-06-11 Eric Christopher <echristo@apple.com>
4500 * stor-layout.c (place_field): Remove check for
4501 remaining_in_alignment when aligning at the end of a run.
4503 2006-06-11 Eric Christopher <echristo@apple.com>
4506 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
4509 2006-06-11 Roger Sayle <roger@eyesopen.com>
4512 Revert incorrect fix for PR target/27158
4513 2006-05-08 Roger Sayle <roger@eyesopen.com>
4514 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4515 of a reg_equiv_constant if the result is a legitimate constant.
4517 2006-06-11 Roger Sayle <roger@eyesopen.com>
4520 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
4521 extract a CONST_VECTOR element and interpret it as an integer.
4522 (vspltis_constant): Use const_vector_elt_as_int instead of the
4523 macro CONST_VECTOR_ELT in order to handle FP vector modes.
4524 * config/rs6000/predicates.md (easy_vector_const): Consider
4525 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
4527 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
4530 * stor-layout.c (update_alignment_for_field): Don't add extra
4531 alignment for packed non-bitfield fields in ms_bitfield_layout_p
4534 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
4536 * config/mips/t-rtems: Add EL/EB multilib variants.
4538 2006-06-09 Mike Stump <mrs@apple.com>
4540 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
4542 2006-06-09 David Daney <ddaney@avtrex.com>
4544 * doc/install.texi: Add binutils version recommendation for mips-*-*.
4546 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
4548 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
4550 2006-06-09 Richard Guenther <rguenther@suse.de>
4552 PR tree-optimization/26998
4553 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
4554 of signed types, only TYPE_MIN_VALUE is special, but for both,
4555 minimum and maximum value. Likewise VR_ANTI_RANGE is special
4556 in this case, as is -fwrapv.
4558 2006-06-08 Mike Stump <mrs@apple.com>
4561 * config/darwin.c (darwin_asm_output_anchor): Disable
4562 -fsection-anchors on darwin for now.
4563 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
4564 * rs6000/rs6000.c (optimization_options): Likewise.
4566 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4569 * config/i386/i386.c (classify_argument): Skip fields with invalid
4572 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
4574 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
4575 (cse_insn): Likewise for the stack_pointer_rtx.
4577 2006-06-08 Roger Sayle <roger@eyesopen.com>
4579 * tree-ssa-dom.c (record_conditions): Only record "unordered"
4580 conditions from floating point comparisons.
4582 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
4585 * expmed.c (struct alg_hash_entry): Fix type of field T
4586 to match synth_mult argument.
4587 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
4589 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4592 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
4595 2006-06-08 Richard Guenther <rguenther@suse.de>
4598 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
4599 only, if overflow is defined and not trapping.
4600 (negate_expr): Likewise.
4602 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4604 PR tree-optimization/27872
4605 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
4606 flag on the new exit edge of the unrolled loop.
4608 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4610 PR rtl-optimization/26449
4611 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
4613 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
4616 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
4617 referenced_variables with matching DECL_UID's.
4618 (find_referenced_vars): Make sure duplicate list is empty to start.
4619 (referenced_var_p): Remove.
4620 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
4621 Check if var is in the list, and add if needed. Update the duplicate
4622 list if a different var is in the list with the same DECL_UID.
4623 (add_referenced_var): Call routine to check and insert.
4624 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
4625 * tree-flow.h (referenced_vars_dup_list): External declaration.
4627 2006-06-07 Fred Fish <fnf@specifix.com>
4629 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
4632 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
4635 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
4636 the imaginary and real parts of a clobbered register.
4637 Emit insn to set the imaginary part.
4639 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
4641 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
4642 in lieu of unwind-dw2-fde.c.
4644 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4646 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
4648 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
4651 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
4652 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
4653 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
4654 V4SImode temporaries and operations instead.
4656 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
4658 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
4661 2006-06-06 Mike Stump <mrs@apple.com>
4663 * Makefile.in: Rename to htmldir to build_htmldir to avoid
4664 installing during build.
4666 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4668 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
4670 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
4671 * config/ia64/ia64.c (params.h): New header.
4672 (ia64_optimization_options): New function to adjust parameters.
4673 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
4674 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
4675 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
4677 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
4679 * stor-layout.c (debug_rli): Fix a typo in a debug message.
4681 2006-06-05 Steve Ellcey <sje@cup.hp.com>
4684 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
4686 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
4687 Victor Kaplansky <victork@il.ibm.com>
4689 PR tree-optimization/26360
4690 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
4693 2006-06-04 Roger Sayle <roger@eyesopen.com>
4694 Andrew Pinski <pinskia@physics.uc.edu>
4697 * c-common.c (c_common_truthvalue_conversion): Explicitly check
4698 for LABEL_DECL before calling DECL_WEAK.
4701 * c-typeck.c (build_binary_op): Likewise, explicitly check for
4702 LABEL_DECL and PARM_DECL.
4704 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
4708 * c-decl.c (grokdeclarator): Disallow variably modified types at
4709 file scope. Avoid marking shared array type of constant size as
4712 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4715 * c-common.c (fold_offsetof_1): Handle static members.
4717 2006-06-04 Eric Christopher <echristo@apple.com>
4719 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
4720 (debug_rli): Output value for remaining_in_alignment.
4721 (update_alignment_for_field): Unconditionalize
4722 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
4723 extra alignment code.
4724 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
4725 ms_bitfield_layout_p code. Rewrite handling of structure fields.
4726 * tree.h (record_layout_info_s): Remove prev_packed.
4727 * doc/extend.texi (ms_struct): Add documentation of format.
4729 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
4731 * tree.h: Declare folding_initializer.
4732 * builtins.c (fold_builtin_constant_p): Give definite answer
4733 if folding inside an initializer.
4734 * fold-const.c: Define folding_initializer.
4735 (START_FOLD_INIT): Save and then set folding_initializer.
4736 (END_FOLD_INIT): Restore folding_initializer.
4738 2006-06-04 Richard Guenther <rguenther@suse.de>
4740 PR tree-optimization/27039
4741 * fold-const.c (fold_comparison): Handle pointer comparison
4742 again for all comparison codes. Compare offsets in signed
4744 (fold_binary): Move code from here.
4746 2006-06-03 Roger Sayle <roger@eyesopen.com>
4749 * config/i386/i386.c (construct_container): Split static issued_error
4750 flag into issued_sse_arg_error, issued_sse_ret_error and
4751 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
4752 requires the use of x87 registers and the user explicitly
4753 specified the -mno-80387 command line option.
4755 2006-06-02 Geoffrey Keating <geoffk@apple.com>
4757 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
4758 HAVE_DECL_SIGALTSTACK.
4760 (segv_handler): Use MC_FLD.
4761 * configure.ac: Check for a sigaltstack declaration.
4762 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
4763 * configure: Regenerate.
4764 * config.in: Regenerate.
4766 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
4769 * Makefile.in (stmp-fixinc): Fix typo.
4771 2006-06-02 Roger Sayle <roger@eyesopen.com>
4773 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
4774 are type correct. Clean-up.
4775 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
4776 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
4778 2006-06-01 DJ Delorie <dj@redhat.com>
4780 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
4781 shift, as we've disabled the "switch" insn that needs it.
4783 2006-06-01 Per Bothner <bothner@bothner.com>
4785 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
4786 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
4787 * c-ppoutput.c (cb_define): Don't increment line 0.
4789 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
4791 * doc/invoke.texi: Add cpu_type power6.
4792 * config.gcc: Add cpu_type power6.
4793 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
4794 to power5+ with Altivec.
4795 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
4796 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
4798 2006-05-30 Anatoly Sokolov <aesok@post.ru>
4800 * config/avr/avr.h (SET_ASM_OP): Define.
4802 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
4804 * config/bfin/bfin.c: Fix comment typos.
4806 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
4809 * doc/install.texi: Document --enable-bootstrap and
4810 --disable-bootstrap.
4812 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
4814 * doc/install.texi: Document that InfoZIP can replace jar.
4816 2006-05-31 Roger Sayle <roger@eyesopen.com>
4818 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
4819 isn't available, directly generate the simpler x87 patterns without
4820 the (use (const_int 0)).
4821 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
4822 implementation isn't available.
4823 (*negdf2_1): Likewise.
4824 (*negxf2_1): XF mode negation is always done using the x87.
4825 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
4827 2006-05-31 Roger Sayle <roger@eyesopen.com>
4829 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
4830 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
4832 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
4834 2006-05-31 Jie Zhang <jie.zhang@analog.com>
4836 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
4837 * config/bfin/bfin.c (basic-block.h): Include.
4838 (struct machine_function): New.
4839 (bfin_init_machine_status): New.
4840 (override_options): Initialize init_machine_status.
4841 (bfin_hardware_loop): New.
4842 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
4843 (DEF_VEC_P (loop_info)): New.
4844 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
4845 (struct loop_info): New.
4846 (loop_info): New typedef.
4847 (struct loop_work): New.
4848 (loop_work): New typedef.
4849 (DEF_VEC_O (loop_work)): New.
4850 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
4851 (bfin_dump_loops): New.
4852 (bfin_bb_in_loop): New.
4853 (bfin_scan_loop): New.
4854 (bfin_optimize_loop): New.
4855 (bfin_reorg_loops): New.
4856 (bfin_reorg): Use bfin_reorg_loops.
4857 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
4859 (I_REGNO_P): Simplify.
4860 (DP_REGNO_P, DPREG_P): New macros.
4861 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
4862 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
4863 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
4864 Add LT_REGS, LC_REGS, LB_REGS.
4865 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
4867 (REGNO_REG_CLASS): Deal with loop registers.
4868 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
4870 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
4871 New constants for loop registers.
4872 (UNSPEC_LSETUP_END): New.
4873 (seq_insns): New define_attr. Set it for appropriate insns.
4874 (movsi_insn): Add alternatives for move from/to
4875 loop count registers.
4876 (doloop_end): New define_expand.
4877 (loop_end): New define_insn.
4878 (define_split for bad doloop_end): New.
4879 (lsetup_with_autoinit): New define_insn.
4880 (lsetup_without_autoinit): New define_insn.
4881 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
4882 * config/bfin/predicates.md (lc_register_operand): New.
4883 (lt_register_operand): New.
4884 (lb_register_operand): New.
4885 (nondp_register_operand): New.
4886 (nondp_reg_or_memory_operand): New.
4887 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
4889 2006-05-31 Jie Zhang <jie.zhang@analog.com>
4891 * config/bfin/bfin.c (bfin_delegitimize_address): New.
4892 (TARGET_DELEGITIMIZE_ADDRESS): Define.
4894 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
4896 * Makefile.in (CATALOGS): Add po/ prefix.
4897 * configure: Regenerated.
4899 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
4902 * arm.c (arm_print_operand case 'S'): Validate that the operand is
4903 a shift operand before calling shift_op. Avoid redundant call of
4906 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
4907 DJ Delorie <dj@redhat.com>
4909 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
4910 we're inserting is a singlt-bit constant.
4912 2006-05-30 Roger Sayle <roger@eyesopen.com>
4914 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
4915 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
4917 2006-05-30 Roger Sayle <roger@eyesopen.com>
4919 PR tree-optimization/23452
4920 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
4921 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
4922 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
4923 complex values and with -ffast-math for FP complex values.
4925 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
4927 * c-common.h: Remove the prototype for yyparse.
4928 * rtl.h: Remove the prototype for init_loop.
4930 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
4932 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
4935 2006-05-30 Roger Sayle <roger@eyesopen.com>
4937 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
4939 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
4940 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
4942 2006-05-30 Dirk Mueller <dmueller@suse.de>
4945 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
4946 for CONSTANT_CLASS_P expresisons.
4948 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4951 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
4953 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
4955 PR tree-optimization/27779
4956 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
4957 initial_condition instead of CHREC_LEFT.
4959 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
4961 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
4962 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
4963 Make prototypes ISO C90.
4965 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
4966 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4968 * see.c (see_analyze_one_def): Correct check.
4969 (see_get_extension_data): Check if extension is parallel.
4970 (see_get_extension_reg): Likewise.
4972 2006-05-30 Uros Bizjak <uros@kss-loka.si>
4975 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
4976 into register for (code == GTU).
4978 2006-05-29 Roger Sayle <roger@eyesopen.com>
4980 PR tree-optimization/24964
4981 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
4982 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
4983 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
4984 abs(x)*abs(x) as x*x for scalar floating point modes.
4986 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
4989 * lambda-code.c (perfect_nestify): Don't copy statements
4990 in the inner loop: move them to the inner loop header.
4992 2006-05-29 Diego Novillo <dnovillo@redhat.com>
4995 * c-tree.texi: Document OpenMP directives and clauses.
4997 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
4999 * varasm.c (globalize_decl): Fix indentation.
5001 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5004 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
5005 pass_fre, pass_store_ccp, pass_copy_prop,
5006 pass_store_copy_prop, pass_merge_phi, pass_nrv,
5007 pass_return_slot, pass_object_size, pass_lim,
5008 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
5009 pass_loop_prefetch and pass_stdarg.
5011 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
5013 * config/bfin/bfin.opt (mfdpic): New option.
5014 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
5015 (EXTRA_MULTILIB_PARTS): Likewise.
5016 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
5017 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
5019 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
5020 (CRT_CALL_STATIC_FUNCTION): New.
5021 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
5023 (CRT_CALL_STATIC_FUNCTION): New.
5024 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
5026 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
5027 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
5028 (initialize_trampoline): Changed to handle FD-PIC code generation.
5029 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
5030 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
5031 (override_options): Disallow -mid-shared-library -mfdpic combination.
5032 Can't do unaligned ops if FD-PIC.
5033 Turn off flag_pic if trying to generate non-id-shared-library
5034 non-fdpic code, since it's not supported.
5035 (bfin_assemble_integer): New function.
5036 (TARGET_ASM_INTEGER): Define.
5037 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
5039 * config/bfin/crtn.s: Restore them.
5040 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
5042 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
5043 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
5044 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
5045 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
5046 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
5048 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
5049 FDPIC_REGS and FDPIC_FPTR_REGS.
5050 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
5051 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
5052 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
5053 (load_funcdescsi): New pattern.
5054 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
5055 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
5056 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
5058 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5060 * gcse.c, rtlanal.c: Remove obsolete comments associated with
5063 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
5065 * tree-flow.h: Remove the prototype for add_type_alias.
5066 * tree-ssa-alias.c (add_type_alias): Remove.
5068 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
5070 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
5071 config/fr30/fr30.md, config/i386/i386-interix.h,
5072 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
5073 config/sh/superh64.h, config/v850/v850.c, df-core.c,
5074 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
5075 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
5076 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
5077 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
5078 Follow spelling conventions.
5079 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
5080 Follow spelling conventions.
5082 2006-05-27 Richard Guenther <rguenther@suse.de>
5085 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
5086 to produce a constant of value 1 of generic type.
5088 2006-05-27 Dirk Mueller <dmueller@suse.de>
5090 * cgraphunit.c (decide_is_function_needed): Fix wrong
5093 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
5095 PR rtl-optimization/27661
5096 * reload.c (find_reloads): When reloading a VOIDmode constant
5097 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
5098 use Pmode as mode of the reload register.
5100 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
5102 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
5103 is enabled at -O and above.
5105 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
5108 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
5111 2006-05-25 Mark Mitchell <mark@codesourcery.com>
5114 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
5115 for anonymous variables explicitly declared by front ends.
5117 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5119 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
5120 (struct alias_info): Add new field ref_all_symbol_mem_tag.
5121 * tree-ssa-alias.c (compute_may_aliases): If the program contains
5122 ref-all pointers, run a finalization pass for them.
5123 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
5124 (finalize_ref_all_pointers): New function.
5125 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
5126 regular pointer type to a ref-all pointer type.
5127 (get_tmt_for): Return the special memory tag for ref-all pointers.
5129 2006-05-25 Richard Guenther <rguenther@suse.de>
5132 * fold-const.c (fold_binary): Do not look at the stripped
5133 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
5135 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5137 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
5138 for LT and GT if the computed range is effectively empty.
5140 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5143 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
5144 mips_quad_format formats instead of ieee_single_format,
5145 ieee_double_format and ieee_quad_format formats, respectively.
5147 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
5149 PR tree-optimization/27639
5150 PR tree-optimization/26719
5151 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
5152 call to scev_probably_wraps_p.
5153 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
5154 used_in_pointer_arithmetic_p, convert_step): Removed.
5155 (nowrap_type_p): New function.
5156 (scev_probably_wraps_p): Rewritten.
5157 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
5158 chrec_convert if chrec_convert_aggressive might have been used.
5159 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
5160 scev_direction): New functions.
5161 (chrec_convert): Changed to a wrapper over chrec_convert_1.
5162 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
5163 instead of convert_step.
5164 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
5165 (convert_step): Declaration removed.
5166 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
5168 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
5170 * df-core.c: Added to header comments.
5171 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
5172 df_ur_bb_info, df_urec_bb_info): Added comments.
5173 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
5174 urec, ri problems): Fixed header comments.
5175 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
5176 code from df_rd_transfer_function.
5178 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5180 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
5181 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
5182 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
5184 2006-05-23 Joseph Myers <joseph@codesourcery.com>
5186 * expr.c (undefined_operand_subword_p): New.
5187 (emit_move_multi_word): Do not generate move from undefined bits
5188 of a paradoxical subreg.
5190 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5192 PR rtl-optimization/27736
5193 * combine.c (replaced_rhs_value): New variable.
5194 (combine_instructions): Set it.
5195 (distribute_notes): When distributing a note in replaced_rhs_insn,
5196 check whether the value was used in replaced_rhs_value.
5198 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
5201 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
5202 add_referenced_var instead of add_referenced_tmp_var.
5203 * tree-complex.c (create_one_component_var): Use add_referenced_var.
5204 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
5206 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
5207 tree_optimize_tail_calls_1): Use add_referenced_var.
5208 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
5209 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
5210 Use add_referenced_var.
5211 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
5212 * gimplify.c (force_gimple_operand): Use add_referenced_var.
5213 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
5214 Use add_referenced_var.
5215 * tree-dfa.c (struct walk_state): Remove.
5216 (find_referenced_vars): Remove walk state and vars_found hash table.
5217 (make_rename_temp): Use add_referenced_var.
5218 (find_vars_r): Pass less parameters to add_referenced_var.
5219 (referenced_var_p): New. Is var in referenced_var hash table.
5220 (referenced_var_insert): Assert var isn't already in hash table.
5221 (add_referenced_var): Don't need walk_state parameter. Add var if it
5222 isn't already in the hash table.
5223 (add_referenced_tmp_var): Remove.
5224 (find_new_referenced_vars_1): Use add_referenced_var.
5225 * tree-ssa-pre.c (create_expression_by_pieces,
5226 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
5227 Use add_referenced_var.
5228 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
5229 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
5230 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
5232 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
5233 vect_create_data_ref_ptr, vect_create_destination_var,
5234 vect_init_vector, vect_build_loop_niters,
5235 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
5236 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
5237 Use add_referenced_var.
5238 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
5239 * tree-flow.h (add_referenced_tmp_var): Remove prototype
5240 (add_referenced_var): Add prototype.
5241 * tree-ssa-structalias.c (get_constraint_for,
5242 intra_create_variable_infos): Use add_referenced_var.
5244 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
5246 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
5247 big-endian paradoxical subregs.
5248 * var-tracking.c (struct micro_operation_def): Document that,
5249 for modify micro operations, insn is the subsequent instruction.
5250 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
5251 (var_reg_set, var_mem_set): ... new functions.
5252 (add_stores): Record subsequent insn.
5253 (compute_bb_dataflow): Use new functions for MO_USE.
5254 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
5255 notes after the insn, and modify notes before the insn known
5256 to be the subsequent one.
5257 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
5259 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
5262 * config/i386/i386.c (ix86_expand_builtin): Use
5263 gen_sse3_monitor64 for TARGET_64BIT.
5265 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
5267 PR rtl-optimization/26375
5268 PR rtl-optimization/26855
5269 * df-problems (df_ru_bb_local_compute_process_def): Removed update
5271 (df_ru_bb_local_compute): Reversed statements and removed bogus
5272 comment explaining why they should be in wrong order.
5273 (df_ru_dump, df_rd_dump): Enhanced debug info.
5274 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
5276 * ddg.c (add_deps_for_def): Converted use of reaching defs to
5277 reaching uses and fixed space problem.
5279 2006-05-23 Jan Hubicka <jh@suse.cz>
5281 * cgraphunit.c (decide_is_function_needed): Also nested functions
5282 and functions declared inline can be optimized out at -O0.
5284 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
5286 * doc/install.texi (Configuration): Remove reference to CrossGCC
5290 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5293 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
5294 ix86_compare_emitted is non-NULL.
5296 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5299 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
5302 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5304 PR rtl-optimization/25514
5305 * combine.c (replaced_rhs_insn): New variable.
5306 (combine_instructions): Set replaced_rhs_insn when trying to replace
5307 a SET_SRC with a REG_EQUAL note.
5308 (distribute_notes): Use replaced_rhs_insn when determining the live
5309 range of a REG_DEAD register.
5311 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
5312 Anatoly Sokolov <aesok@post.ru>
5314 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
5315 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
5316 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
5317 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
5318 atmega3290, atmega649, atmega6490, atmega406, atmega640,
5319 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
5320 at90usb647, at90usb1286 and at90usb1287 devices.
5321 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5322 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5324 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5326 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
5328 2006-05-22 Richard Guenther <rguenther@suse.de>
5331 2006-01-31 Richard Guenther <rguenther@suse.de>
5332 Paolo Bonzini <bonzini@gnu.org>
5334 * doc/install.texi (--disable-libgcc-math): Document.
5336 2006-05-22 Richard Guenther <rguenther@suse.de>
5339 2006-01-31 Richard Guenther <rguenther@suse.de>
5341 * doc/invoke.texi (-msselibm): Document.
5342 * target.h (expand_library_builtin): New target hook.
5343 * builtins.c (expand_builtin): Use expand_library_builtin.
5344 (default_expand_library_builtin): New function.
5345 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5346 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5347 (link_gcc_math_spec): Declare.
5348 (static_specs): Add link_gcc_math_spec.
5349 * expr.h (default_expand_library_builtin): Declare.
5350 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5351 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5352 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5353 * config/i386/i386.opt (msselibm): New target option.
5354 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5355 (ix86_init_sse_abi_builtins): New function.
5356 (ix86_expand_library_builtin): Likewise.
5357 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5358 (override_options): Handle error conditions wrt -msselibm.
5359 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5360 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5361 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5364 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5367 * c-common.c (self_promoting_args_p): Skip erroneous args.
5370 * c-decl.c (finish_struct): Skip erroneous fields.
5372 2006-05-22 Nick Clifton <nickc@redhat.com>
5374 * config/cris/cris.opt (march): Remove VarExists attribute.
5375 (max-stackframe=): Likewise.
5377 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5379 * doc/rtl.texi: Fix a typo.
5380 * see.c: Fix comment typos.
5382 * tree-ssa-structalias.h (alias_info): Remove num_references.
5384 2006-05-21 Mike Stump <mrs@apple.com>
5386 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
5388 (darwin_pragma_options): Use BAD instead.
5389 (darwin_pragma_unused): Likewise.
5390 (darwin_pragma_ms_struct): Likewise.
5392 2006-05-21 David Edelsohn <edelsohn@gnu.org>
5394 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
5396 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
5398 PR rtl-optimization/27671
5399 * simplify-rtx.c (simplify_relational_operation_1): Fix
5400 simplifications of (eq/ne (xor x y) y) and
5401 (eq/ne (xor x y) x).
5403 PR tree-optimization/26622.
5404 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
5407 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5409 * tree-cfg.c: Prune whitespace.
5410 (debug_tree_cfg): Point to correct header containing the
5413 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5416 * cgraphunit.c (verify_cgraph_node): Typo in error message.
5418 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
5421 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
5422 or sorry count is non zero.
5424 2006-05-20 Andreas Schwab <schwab@suse.de>
5426 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
5428 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
5429 Kenneth Zadeck <zadeck@naturalbridge.com>
5431 PR rtl-optimization/26855
5433 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
5435 (df_scan_alloc): Added code to properly handle multiword hard
5436 registers and add all_blocks parameter.
5437 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
5438 code to properly handle multiword hard registers.
5439 (df_rescan_blocks): Added code to remove deleted blocks from
5441 (df_ref_create_structure, df_ref_record): Added code to properly
5443 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
5444 and set DF_REF_PARTIAL.
5445 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
5446 (df_uses_record): Added DF_REF_PARTIAL for subreg.
5447 (df_scan_add_problem): Added flags parameter.
5448 (df_ref_create_structure): Changed switching structure.
5449 (df_bb_refs_record): Fixed case where duplicate artificial refs
5450 were created. Changed location of flags.
5451 (df_record_entry_block_defs): Added code to make stack pointer
5452 live in entry block. Refined cases where frame pointer is needed.
5453 Changed location of flags.
5454 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
5455 (df_set_state): Removed function.
5456 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
5457 df_insn_create_insn_record, df_insn_refs_delete,
5458 df_ref_create_structure): Formatting changes.
5459 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
5460 df_delete_basic_block): New function.
5461 (df_init): Changed location of flags.
5462 (df_add_problem): Added flags parameter and the way flags are
5464 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
5465 debug_df_chain): Improved debugging output.
5466 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
5467 (df_refs_chain_dump): Removed df parameter.
5468 (df_iterative_dataflow): Added consistency check.
5469 (df_prune_to_subcfg): Made public.
5470 (df_analyze_problem): Added blocks_to_init parameter and made
5472 (df_ref_record, df_bb_refs_record, df_mark_reg,
5473 df_record_exit_block_uses): Whitespace changes.
5474 (df_dump): Whitespace changes.
5475 * df.h: Some reordering to remove forward references.
5476 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
5477 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
5478 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
5479 (dataflow.flags): New field.
5480 (df.flag): Deleted field.
5481 (df_alloc_function): Added additional bitmap parameter.
5482 (df_dependent_problem_function): New type.
5483 (df_problem.changeable_flags): New field.
5484 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
5485 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
5486 (df_mw_hardreg): New struct.
5487 (DF_INSN_UID_MWS): New macro.
5488 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
5490 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
5491 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
5492 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
5493 (df_set_state): Removed function.
5494 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
5495 * df-problems.c (df_chain_dump): Removed df parameter.
5496 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
5497 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
5499 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
5500 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
5501 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
5502 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
5503 DF_REF_MUST_CLOBBER cases.
5504 (df_ru_bb_local_compute_process_def,
5505 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
5506 df_lr_bb_local_compute, df_ur_bb_local_compute,
5507 df_chain_create_bb): Made subreg aware.
5508 (df_ru_bb_local_compute, df_rd_bb_local_compute,
5509 df_lr_bb_local_compute, df_lr_bb_local_compute,
5510 df_chain_create_bb): Cleanup to use proper macros.
5511 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
5512 code to fixup bitvectors.
5513 (df_ri_alloc): Cleared lifetime.
5514 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
5515 df_create_unused_note): New function.
5516 (df_ri_bb_compute, df_ri_compute): Added code to create/update
5517 REG_DEAD and REG_UNUSED notes as well as register information.
5518 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
5519 df_chains_dump): Fixed crash if problem was never run.
5520 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
5521 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
5522 df_ri_add_problem): Processes flags in uniform manner.
5523 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
5524 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
5525 df_rd_dump, df_urec_free_bb_info): Formatting changes.
5526 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
5527 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
5528 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
5529 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
5530 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
5531 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
5532 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
5533 * see.c (see_initialize_data): Ditto.
5534 * final.c (rest_of_clean_state) Added regstack_completed.
5535 * rtl.h (regstack_completed): Ditto.
5536 * reg-stack.c (regstack_completed): Ditto.
5538 2006-05-19 Mike Stump <mrs@apple.com>
5540 * c-tree.h (default_conversion): Remove.
5541 * c-common.h (default_conversion): Add.
5543 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
5545 * tree-vrp.c (valid_value_p): New function.
5546 (adjust_range_with_scev): Fail if the value of bound is not
5549 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5551 * config/mips/linux-unwind.h: Include <asm/unistd.h>
5552 (mips_fallback_frame_state): Use syscall numbers to determine
5553 the appropriate li instruction for the current ABI. Only use
5554 __NR_sigreturn for o32.
5556 2006-05-19 Nicolas Setton <setton@adacore.com>
5558 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
5559 * langhooks.c (lhd_dwarf_name): New function.
5560 * langhooks-def.h (lhd_dwarf_name): Declare.
5561 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
5562 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
5564 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5566 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
5568 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
5569 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
5570 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
5571 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
5572 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
5573 determine the size of Wtype, etc.
5574 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
5575 (swfloatfuncs): New variable.
5576 (dwfloatfuncs): Likewise.
5577 (lib2funcs): Remove floating-point conversion functions from
5578 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
5579 the set of conversion routines needed. Allow entries to specify
5580 an object name, filename and word size. Update users accordingly.
5581 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
5582 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
5586 2006-02-08 Roger Sayle <roger@eyesopen.com>
5589 * config/fixtfdi.c: New libgcc source file.
5590 * config/fixunstfdi.c: New source file.
5591 * config/floatditf.c: New source file.
5592 * config/floatunditf.c: New souce file.
5593 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
5594 files above instead of config/mips/_tilib.c.
5595 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
5597 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5599 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
5600 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
5602 2006-05-18 Mike Stump <mrs@apple.com>
5604 Fix up vla, vm and [*] sematics.
5610 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
5611 (c_vla_unspec_p): Add.
5612 (c_vla_type_p): Add.
5613 * c-decl.c (struct c_scope): Add had_vla_unspec.
5614 (build_array_declarator): Add support for [*].
5615 (grokdeclarator): Likewise.
5616 (grokparms): Likewise.
5617 (get_parm_info): Likewise.
5618 * c-objc-common.c (c_vla_unspec_p): Likewise.
5619 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
5620 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
5621 typeof when argument is a variably modified type not inside sizeof or alignof.
5622 (c_parser_direct_declarator_inner): Propagate errors.
5623 (c_parser_sizeof_expression): Add support for [*].
5624 (c_parser_parms_declarator): Initialize had_vla_unspec.
5625 (c_parser_parms_list_declarator): Likewise.
5626 * c-typeck.c (c_vla_type_p): Add.
5627 (composite_type): Add support for vla compositing.
5628 (comptypes_internal): Add support for vla compatibility.
5629 (c_expr_sizeof_expr): Evaluate vla arguments.
5630 * tree.c (variably_modified_type_p): Update comment for [*].
5632 2006-05-18 Michael Matz <matz@suse.de>
5635 * config.host: Make assignments to host_xmake_file cumulative.
5636 * config.host (*-darwin*): Test $host, not $target.
5638 2006-05-12 Stuart Hastings <stuart@apple.com>
5640 * config/i386/i386.opt (-mstackrealign): New flag.
5641 * config/i386/i386.c (force_align_arg_pointer): New attribute.
5642 (ix86_handle_cconv_attribute): Emit error when
5643 force_align_arg_pointer attribute collides with too many regparms.
5644 (ix86_function_regparm): Limit regparms when used with
5645 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
5646 Support stack-realigning prologue in non-main functions. Emit
5647 warning for nested functions under -mstackrealign, emit error for
5648 nested functions with force_align_arg_pointer attribute.
5649 * doc/extend.texi (force_align_arg_pointer): Document it.
5650 * doc/invoke.texi (-mstackrealign): Document it.
5652 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
5654 PR rtl-optimization/27477
5655 * combine.c (try_combine): Don't split a parallel consisting
5656 of two sets into two individual sets if both sets reference
5659 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
5661 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
5662 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
5664 * doc/options.texi (VarExists): Updated.
5666 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5668 * unwind-dw2.c: Add declarations for uw_update_context and
5670 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
5671 detected, advance frame state and context once to skip over stub.
5673 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5677 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
5678 Call rewrite_into_loop_closed_ssa only when something changed.
5679 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
5680 * lambda-code.c (can_convert_to_perfect_nest): Declared.
5681 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
5682 Test for perfect_nest_p here. Fix formating.
5683 (replace_uses_equiv_to_x_with_y): Fix formating.
5684 (stmt_uses_op): Removed.
5685 (can_convert_to_perfect_nest): Removed loopivs parameter.
5686 Complete the test by checking the scalar dependences.
5687 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
5690 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5693 From Dan Kegel <dank@kegel.com>:
5694 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
5696 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
5698 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
5699 if the element type is variably modified without recursing.
5701 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5704 * tree-loop-linear.c (try_interchange_loops): Test for
5705 no data dependences.
5707 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
5709 PR tree-optimization/27548
5710 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
5711 range of ssa names that appear on abnormal edges.
5712 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
5713 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
5715 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5718 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
5720 2006-05-17 Jakub Jelinek <jakub@redhat.com>
5723 * tree.h (OMP_PARALLEL_COMBINED): Define.
5724 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
5725 (new_omp_context): Add is_combined_parallel argument.
5726 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
5727 new_omp_context caller.
5728 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
5729 Adjust gimplify_scan_omp_clauses callers.
5730 (omp_is_private): Issue errors if iteration variable is firstprivate
5731 or reduction in the current context.
5732 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
5733 on combined parallel workshare constructs.
5735 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5737 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
5738 (gcc-options.o): New rule.
5740 * optc-gen.awk: Protect variables for gcc-options.o with
5741 #ifdef GCC_DRIVER/#endif.
5743 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
5745 Fix PR tree-optimization/27373
5746 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
5747 (forward_propagate_addr_expr): Update call.
5749 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5751 * doc/options.texi: Move the Negative option.
5753 2006-05-16 Richard Guenther <rguenther@suse.de>
5755 PR tree-optimization/22303
5756 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
5758 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
5759 ccp_fold did not simplify the statement.
5761 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5764 * Makefile.in (GCC_OBJS): New.
5765 (OBJS-common): Add opts-common.o.
5766 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
5767 (cpp$(exeext)): Likewise.
5768 (gcc.o): Also depend on opts.h.
5769 (opts-common.o): New.
5771 * common.opt (gcoff): Add Negative(gdwarf-2).
5772 (gdwarf-2): Add Negative(gstabs).
5773 (gstabs): Add Negative(gstabs+).
5774 (gstabs+): Add Negative(gvms).
5775 (gvms): Add Negative(gxcoff).
5776 (gxcoff): Add Negative(gxcoff+).
5777 (gxcoff+): Add Negative(gcoff).
5778 * config/i386/i386.opt (m32): Add Negative(m64).
5779 (m64): Add Negative(m32).
5781 * doc/options.texi: Document the Negative option.
5783 * gcc.c: Include "opts.h".
5784 (main): Call prune_options after expandargv.
5786 * optc-gen.awk: Generate common declarations for all flag
5787 variables in options.c. Output the neg_index field.
5789 * opts.c (find_opt): Moved to ...
5790 * opts-common.c: Here. New file.
5792 * opts.h (cl_option): Add a neg_index field.
5794 (prune_options): Likewise.
5796 2006-05-16 Jakub Jelinek <jakub@redhat.com>
5799 * omp-low.c (expand_omp_parallel): Don't assert
5800 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
5801 instead search for it.
5804 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
5807 2006-05-16 Andreas Schwab <schwab@suse.de>
5809 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
5812 2006-05-15 Roger Sayle <roger@eyesopen.com>
5815 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
5816 integer constants other than zero are only legitimate on TARGET_64BIT.
5817 <CONST_VECTOR> Only zero vectors are legitimate.
5818 (ix86_cannot_force_const_mem): Integral and vector constants can
5819 always be put in the constant pool.
5821 2006-05-16 DJ Delorie <dj@redhat.com>
5823 * crtstuff.c (__dso_handle): Set section from
5824 TARGET_LBIGCC_SDATA_SECTION if defined.
5825 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
5826 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
5828 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
5831 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
5834 2006-05-16 Ben Elliston <bje@au.ibm.com>
5836 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
5838 2006-05-15 Per Bothner <per@bothner.com>
5840 * tree.c: (last_annotated_node): Use source_locus typedef.
5841 This permits bootstrapping with --enable-mapped-location.
5843 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
5845 PR tree-optimization/26830
5846 * tree-into-ssa.c (struct ssa_name_info): Add age field.
5847 (info_for_ssa_name, current_info_for_ssa_name_age,
5848 blocks_to_update): New variables.
5849 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
5850 (clear_ssa_name_info, initialize_flags_in_bb,
5851 mark_block_for_update): New functions.
5852 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
5853 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
5854 prepare_def_site_for): Use mark_block_for_update.
5855 (mark_def_interesting): Assert that the processed block is marked in
5856 blocks_to_update. Do not take blocks argument.
5857 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
5859 (rewrite_update_init_block, rewrite_update_stmt): Only process
5860 blocks with statements to rewrite.
5861 (delete_update_ssa): Do not clear SSA_NAME_AUX.
5862 (update_ssa): Initialize and free blocks_to_update. Do not
5863 clear flags on statements. Do not use blocks bitmap.
5864 * tree.h (SSA_NAME_AUX): Removed.
5865 (struct tree_ssa_name): Removed aux field.
5866 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
5868 2006-05-15 Richard Guenther <rguenther@suse.de>
5870 PR tree-optimization/27603
5871 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
5872 Do computations in original type.
5874 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
5876 * see.c: Code style changes such as redundant paranthesis,
5877 redundant intialization of local variables etc.
5878 (see_main): Declared now as static.
5879 * doc/invoke.texi: Update that -fsee is not enabled by
5882 2006-05-15 Jakub Jelinek <jakub@redhat.com>
5884 * omp-low.c (check_omp_nesting_restrictions): New function.
5885 (scan_omp_1): Call it.
5888 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
5889 construct, return *VAR.
5891 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
5893 PR rtl-optimization/27406
5894 * bt-load.c (migrate_btr_def): Skip the block having abnormal
5897 2006-05-14 Roger Sayle <roger@eyesopen.com>
5899 PR rtl-optimization/27538
5900 * combine.c (expand_compound_operation): Call gen_lowpart
5901 before calling simplify_shift_const.
5903 2006-05-14 Roger Sayle <roger@eyesopen.com>
5905 PR rtl-optimization/22563
5906 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
5907 a fixed width bitfield, always force the intermediates into psuedos.
5909 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
5912 * mkconfig.sh: Use operator = instead of == for test.
5914 2006-05-13 Nick Clifton <nickc@redhat.com>
5916 * dwarf2out.c (dbx_reg_number): Check return value from
5917 LEAF_REG_REMAP and only use it if it is valid.
5918 (multiple_reg_loc_descriptor): Likewise.
5920 2006-05-13 Richard Guenther <rguenther@suse.de>
5922 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
5925 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
5927 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
5928 information attached to non-INSNs such as NOTEs.
5929 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
5931 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
5933 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
5935 * config/s390/s390.md: Adjust comment describing On constraint.
5937 2006-05-11 Jan Hubicka <jh@suse.cz>
5939 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
5940 to be output at -O0.
5942 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5945 * fold-const.c (size_binop): Move sanity check for arguments to
5946 the beginning of the function.
5949 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
5952 2006-05-11 Richard Guenther <rguenther@suse.de>
5955 * fold-const.c (fold_unary): Handle intermediate conversion
5956 to a pointer type like intermediate conversion to an integer
5957 type in folding of (T1)(T2)var to var.
5958 Match the code to the comment in the final conversion for
5959 (T1)(T2)var to (T1)var regarding to type precision. Rather
5960 than disallow T1 being of pointer type, assert that both T1
5961 and var are of pointer type or not. Make sure not to fall
5962 over the frontends lazyness wrt array to pointer decay though.
5964 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
5966 * arm.c (arm_struct_value_rtx): Delete.
5967 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
5968 (arm_init_cumulative_args): Always initialize nregs to zero.
5970 2006-05-10 Richard Guenther <rguenther@suse.de>
5972 PR tree-optimization/27532
5973 * tree-object-size.c (plus_expr_object_size): Fix typo.
5975 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
5978 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
5979 ashrdi_const, ashrdi3): Use a scratch register.
5981 2006-05-10 Richard Guenther <rguenther@suse.de>
5983 PR tree-optimization/27302
5984 * fold-const.c (operand_equal_p): For two comparisons,
5985 try comparison of one comparison code swapped if that yields
5988 2006-05-10 Ben Elliston <bje@au.ibm.com>
5990 * tree-pretty-print.c (pretty_print_string): No need to handle
5991 '\0' as a special character.
5993 * tree.h: Include "hashtab.h".
5994 (iterative_hash_expr): Use hashval_t in its prototype.
5995 * Makefile.in (TREE_H): Add $(HASHTAB_H).
5997 2006-05-09 Steve Ellcey <sje@cup.hp.com>
6000 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
6001 (hppa*64*-*-hpux11*): Ditto.
6002 (hppa[12]*-*-hpux11*): Ditto.
6004 2006-05-09 David Edelsohn <edelsohn@gnu.org>
6007 * config/rs6000/aix41.h (TARGET_64BIT): Define.
6009 2006-05-09 Michael Matz <matz@suse.de>
6011 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
6012 host_extra_gcc_objs and host_xmake_file.
6013 (<*-*-linux*>): Don't overwrite host_xmake_file.
6014 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
6015 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
6016 (host_detect_local_cpu): Declare.
6017 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
6018 * config/i386/i386.c (override_options): Handle -mtune=native
6020 * config/i386/x-i386: New file.
6021 * config/i386/driver-i386.c: New file.
6022 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
6025 2006-05-09 Dirk Mueller <dmueller@suse.de>
6026 Richard Guenther <rguenther@suse.de>
6029 * fold-const.c (fold_read_from_constant_string): Relax check
6030 for matching types to matching modes.
6032 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
6034 PR rtl-optimization/27335
6035 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
6038 2006-05-08 Chao-ying Fu <fu@mips.com>
6039 Richard Sandiford <richard@codesourcery.com>
6041 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
6042 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
6043 * config/mips/mips.md (UNSPEC_SCC): New constant.
6044 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
6045 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
6046 (mips_emit_compare): Use it.
6047 (mips_expand_vcondv2sf): New function.
6049 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
6051 Fix PR tree-optimization/27093
6052 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
6053 renaming when they become not-used_alone.
6055 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6057 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
6058 relocation and relocation stubs.
6060 2006-05-08 Eric Christopher <echristo@apple.com>
6062 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
6065 2006-05-08 Jan Hubicka <jh@suse.cz>
6068 * cgraphunit.c (decide_is_function_needed): When not optimizing even
6069 unused static functions are needed.
6071 2006-05-08 Roger Sayle <roger@eyesopen.com>
6074 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6075 of a reg_equiv_constant if the result is a legitimate constant.
6077 2006-05-08 Uros Bizjak <uros@kss-loka.si>
6080 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
6081 standard 80387 constants, raise the cost to prevent
6082 compress_float_constant() to generate load from memory.
6084 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
6086 * config/arm/constraints.md (c): Fix a typo.
6088 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
6091 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
6094 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
6096 (_mm_mwait): Likewise.
6098 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
6100 (sse3_monitor): Make it 32bit only.
6101 (sse3_monitor64): New. 64bit monitor.
6103 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6106 * config/i386/i386.c (classify_argument): Skip fields with invalid
6109 2006-05-07 Richard Guenther <rguenther@suse.de>
6111 PR tree-optimization/27409
6112 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6113 Do not try to find zero-sized subvars.
6115 2006-05-07 Richard Guenther <rguenther@suse.de>
6117 PR tree-optimization/27136
6118 * tree-ssa-loop-niter.c (get_val_for): Correct function
6119 comment, assert requirements.
6120 (loop_niter_by_eval): Stop processing if the iterated
6121 value did not simplify.
6123 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
6125 * opts.c (flag_see): remove its setting at -O3.
6127 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
6129 * genpeep.c (main): Make insn-peep.c depend on flags.h.
6130 * arm/constraints.md: New file.
6131 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
6132 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
6133 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
6134 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
6135 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
6136 (EXTRA_MEMORY_CONSTRAINT): Likewise.
6137 * arm.md: Include constraints.md.
6138 (thumb_movsi_insn): Use satisfies_constraint_J.
6139 (movhi, movqi): Use satisfies_constraint_I.
6141 2006-04-29 Anatoly Sokolov <aesok@post.ru>
6143 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
6144 for atmeg a645 device.
6146 2006-05-06 Richard Guenther <rguenther@suse.de>
6148 PR tree-optimization/27151
6149 * tree-vect-transform.c (vectorizable_condition): Punt on
6150 values that have a different type than the condition.
6152 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
6155 * c-parser.c (c_parser_cast_expression): Only insert casts into
6156 hash table if pointer.
6157 * function.c (used_types_insert_helper): Rename from
6159 (used_types_insert): Call used_types_insert_helper.
6160 * function.h (used_types_insert): Accept only one argument.
6162 2006-05-05 David Edelsohn <edesohn@gnu.org>
6164 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
6165 scratch with output modifier.
6167 2006-05-04 David Edelsohn <edelsohn@gnu.org>
6170 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
6171 with output modifier.
6173 2006-05-04 Richard Sandiford <richard@codesourcery.com>
6176 * config/mips/mips.c (mips_symbolic_address_p): Return true
6177 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
6178 SYMBOL_GOTTPREL, and SYMBOL_TLS.
6180 2006-05-04 Richard Guenther <rguenther@suse.de>
6182 PR tree-optimization/14287
6183 PR tree-optimization/14844
6184 PR tree-optimization/19792
6185 PR tree-optimization/21608
6186 PR tree-optimization/27090
6187 * tree-ssa-pre.c (try_combine_conversion): New function.
6188 (compute_avail): After constructing the value-handle
6189 expression, use try_combine_conversion to combine NOP_EXPRs
6190 with previous value-handle expressions and use the result if it
6193 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
6195 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
6197 2006-05-04 Jan Hubicka <jh@suse.cz>
6200 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
6202 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
6204 * config/bfin/predicates.md (const01_rtx): Tell generator programs
6205 that this only matches CONST_INTs. All users changed to VOIDmode
6208 * config/bfin/bfin.c: Include "optabs.h".
6209 (bfin_rtx_costs): Some costs for vector operations, to allow combine
6211 (enum bfin_builtins): Add a number of fractional and vector builtins.
6212 (bfin_init_builtins): Likewise.
6213 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
6214 (safe_vector_operand, bfin_expand_binop_builtin,
6215 bfin_expand_unop_builtin): New functions.
6216 (bfin_expand_builtin): Handle the new builtins.
6217 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
6220 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
6223 * Makefile.in (OBJS-common): Add see.o.
6224 (see.o): Add dependencies.
6225 * common.opt (fsee): New flag for the see optimization was added.
6226 * opts.c (flag_see): Initialized.
6227 * passes.c (init_optimization_passes, pass_see): New pass.
6228 * rtl.h (see_main): Declaration as extern.
6229 * timevar.def (TV_SEE): New.
6230 * tree-pass.h (pass_see): Declaration as extern.
6231 * invoke.texi (-fsee): Document.
6232 * recog.c (validate_simplify_insn): New function.
6233 * recog.h (validate_simplify_insn): Declaration as extern.
6234 * df-problems.c (df_chain_dump): Check for NULL.
6236 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
6237 Daniel Berlin <dberlin@dberlin.org>
6239 * cfgrtl.c (insert_insn_bb_end_new): New function.
6240 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
6242 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6244 * df.h (struct web_entry): Moved from web.c.
6245 (union_defs): Declaration as extern.
6246 (unionfind_root): Likewise.
6247 (unionfind_union): Likewise.
6248 * web.c (struct web_entry): Moved to df.h.
6249 (unionfind_root): Remove static declaration.
6250 (unionfind_union): Likewise.
6251 (union_defs): Likewise and generalize to use callback function.
6252 (web_main): Update arguments for union_defs function call.
6254 2006-05-04 Richard Guenther <rguenther@suse.de>
6256 PR tree-optimization/26447
6257 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
6258 produce SSA_NAME copies before the store stmt to avoid
6259 breaking exception handling.
6261 2006-05-04 Jakub Jelinek <jakub@redhat.com>
6264 * gimplify.c (omp_is_private): If var is shared in some outer context,
6265 return false instead of true. Stop searching on parallel context
6268 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
6271 * coverage.c: Use get_gcov_unsigned_t() instead of
6272 unsigned_type_node all over.
6274 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
6276 PR tree-optimization/27381
6277 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
6278 maintain the same immediate_use links.
6279 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
6280 node rather than segfaulting.
6282 2006-05-03 Jakub Jelinek <jakub@redhat.com>
6285 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
6286 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
6287 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
6289 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
6291 Fix PR tree-optimization/26626
6292 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
6294 * tree-ssa-operands.c (access_can_touch_variable): Allow
6295 typecasting through union pointers.
6297 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6300 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
6301 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
6302 to find if var will be a global variable even in the nested context.
6303 (omp_copy_decl): Only check for global variable at the end, it might
6304 be overridden in outer contexts.
6305 (scan_sharing_clauses): For global variables don't create a field.
6306 (lower_rec_input_clauses): Do nothing for global shared variables.
6307 Emit a barrier at the end of ILIST if there were any decls in both
6308 firstprivate and lastprivate clauses.
6309 (lower_send_clauses): Do nothing for global variables except for
6312 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
6314 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
6315 of the correct signedness is returned.
6317 2006-05-02 Jeff Law <law@redhat.com>
6319 PR tree-optimization/27364
6320 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
6321 multiply expressions.
6323 2006-05-02 Tom Tromey <tromey@redhat.com>
6325 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
6327 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
6330 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
6331 -mthumb -fPIC are used.
6333 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
6334 Joshua Kinard <kumba@gentoo.org>
6337 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
6338 with 64-bit pointers.
6340 2006-05-02 Paul Brook <paul@codesourcery.com>
6342 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
6344 (create_fix_barrier): Check that a suitable barrier location is
6346 (arm_reorg): Include ftmp->address in allowable range of addresses.
6348 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
6351 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
6354 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6357 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
6358 around RESULT_DECL for result passed by reference.
6359 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
6360 * omp-low.c (use_pointer_for_field): Don't look at
6361 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
6362 (scan_omp_1): Call remap_decl on RESULT_DECLs.
6363 (lower_rec_input_clauses): Don't allocate VLA memory for the second
6364 time or var for passing by reference for
6365 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
6366 TREE_ADDRESSABLE variables when passing by reference.
6368 * omp-low.c (dump_omp_region): Fix output formatting.
6371 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
6372 (expand_omp_parallel): Likewise.
6373 * tree-cfg.c (move_sese_region_to_fn): Likewise.
6376 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
6377 on statement list containing also constructors and destructors.
6378 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
6381 * except.c (duplicate_eh_regions): Fix clearing of
6382 cfun->eh->region_array entries.
6384 2006-05-01 DJ Delorie <dj@redhat.com>
6386 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
6388 (gcc_cv_objdump): Likewise.
6389 * configure: Regenerated.
6391 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
6394 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
6395 templates for case 3 and 4.
6397 2006-05-01 DJ Delorie <dj@redhat.com>
6399 * vec.c: Include bconfig.h when appropriate.
6400 * Makefile.in (build/vec.o): Adjust dependencies.
6401 * mkconfig.sh: Make sure config.h isn't used for build machine
6404 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6406 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
6408 (mark_phi_for_rewrite): New function.
6409 (insert_phi_nodes_for, mark_use_interesting): Call
6410 mark_phi_for_rewrite.
6411 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
6412 (update_ssa): Initialize and free phis_to_rewrite.
6414 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6416 PR rtl-optimization/27291
6417 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
6418 folded to a constant.
6420 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6422 PR tree-optimization/27283
6423 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
6424 not whole # of iteration descriptions.
6425 (niter_for_exit): Return just # of iterations. Fail if # of iterations
6426 uses abnormal ssa name.
6427 (niter_for_single_dom_exit): Ditto.
6428 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
6429 return just the number of iterations.
6431 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6433 PR tree-optimization/27144
6434 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
6435 (record_estimate): Only record constant upper bound.
6436 (infer_loop_bounds_from_undefined): Call
6437 compute_estimated_nb_iterations just once.
6438 (proved_non_wrapping_p): Renamed to ...
6439 (n_of_executions_at_most): ... this. Expect bound to be a constant.
6440 (convert_step_widening, scev_probably_wraps_p): Call
6441 n_of_executions_at_most instead of proved_non_wrapping_p.
6442 (substitute_in_loop_info): Do not replace values in bounds.
6443 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
6446 2006-05-01 Richard Henderson <rth@redhat.com>
6449 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
6450 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
6453 2006-05-01 Roger Sayle <roger@eyesopen.com>
6455 * c-typeck.c (parser_build_binary_op): Don't call the function
6456 unsigned_conversion_warning to spot operand/result type overflow.
6457 (build_binary_op): Instead, call convert_and_check instead of
6458 convert to report the problem when the operands are promoted.
6459 * c-common.c (unsigned_conversion_warning): Make static.
6460 * c-common.h (unsigned_conversion_warning): Delete prototype.
6462 2006-05-01 Richard Guenther <rguenther@suse.de>
6464 PR tree-optimization/26726
6465 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
6467 (find_interesting_uses_address): ... we work around here
6468 by folding INDIRECT_REFs in the substituted base.
6470 2006-05-01 Diego Novillo <dnovillo@redhat.com>
6472 * omp-low.c (dump_omp_region): Add newlines.
6474 2006-04-30 Roger Sayle <roger@eyesopen.com>
6476 * common.opt (Woverflow): New command line option.
6477 * c-common.c (constant_expression_warning): Check warn_overflow.
6478 (overflow_waring): Pass OPT_Woverflow to warning.
6479 (unsigned_conversion_warning): Likewise.
6480 (convert_and_check): Likewise.
6481 * doc/invoke.texi: Document new command line option.
6483 2006-04-30 David Edelsohn <edelsohn@gnu.org>
6485 * config/rs6000/rs6000.c (rs6000_override_options): Enable
6486 TARGET_NO_FP_IN_TOC for section anchors.
6487 (optimization_options): Enable section anchors for all
6488 non-"Objective" languages.
6490 2006-04-28 Eric Christopher <echristo@apple.com>
6492 * config/darwin-c.c (darwin_ms_struct): Move this
6493 (darwin_set_default_type_attributes): and this...
6494 * config/darwin.c: ... here.
6495 * config/darwin.h (darwin_ms_struct): Declare.
6497 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
6499 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
6501 2006-04-28 Roger Sayle <roger@eyesopen.com>
6504 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
6505 (push_array_bounds): Delete prototype. Change BOUNDS argument to
6506 an unsigned HOST_WIDE_INT.
6507 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
6509 (really_start_incremental_init): No need to call convert because
6510 bitsize_zero_node is already of type bitsizetype.
6511 (push_init_level): Extract the value of constructor_index as an
6512 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
6513 (process_init_element): Likewise.
6515 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
6517 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
6518 value before passing to make_relative_prefix.
6520 2006-04-28 Alan Modra <amodra@bigpond.net.au>
6523 * builtins.c (expand_builtin_memset): Expand val in original mode.
6525 2006-04-27 Eric Christopher <echristo@apple.com>
6527 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
6528 with #ifndef/#endif.
6529 * config/darwin-c.c (darwin_ms_struct): New.
6530 (darwin_pragma_ms_struct): Ditto.
6531 (darwin_set_default_type_attributes): Ditto.
6532 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
6533 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
6534 Register ms_struct pragma.
6535 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
6536 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
6537 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
6538 darwin_set_default_type_attributes if TARGET_MACHO.
6540 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
6542 PR tree-optimization/26854
6543 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
6544 * doc/tree-ssa.texi: Update immuse iterator documentation.
6545 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
6546 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
6547 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
6548 first_safe_imm_use, next_safe_imm_use): Remove.
6549 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
6550 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
6551 (move_use_after_head): New. Helper function to sort immuses in a stmt.
6552 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
6553 (first_imm_use_stmt): New. Get first stmt in an immuse list.
6554 (next_imm_use_stmt): New. Get next stmt in an immuse list.
6555 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
6556 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
6557 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
6558 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
6559 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
6560 (perfect_nestify): Use new iterator.
6561 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
6563 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
6564 (next_imm_name): New field in struct immediate_use_iterator_d.
6565 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
6566 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
6567 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
6568 * tree-cfg.c (replace_uses_by): Use new iterator.
6569 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
6570 * tree-ssa-operands.c (correct_use_link): Remove.
6571 (finalize_ssa_use_ops): No longer call correct_use_link.
6573 2006-04-27 Stuart Hastings <stuart@apple.com>
6575 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
6576 * config/t-darwin (crt3.o): Use it.
6577 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
6578 'pmode', use Pmode instead of SImode for SYMBOL_REF.
6579 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
6580 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
6581 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
6584 2006-04-27 Roger Sayle <roger@eyesopen.com>
6586 * expmed.c (store_fixed_bit_field): If we're not optimizing for
6587 size, force the intermediate into a new pseudo rather instead of
6588 performing both a bitwise AND and a bitwise IOR in memory.
6590 2006-04-27 Richard Guenther <rguenther@suse.de>
6592 PR rtl-optimization/26685
6593 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
6594 this one "max-flow-memory-locations".
6596 2006-04-27 Richard Guenther <rguenther@suse.de>
6598 PR tree-optimization/25148
6599 * tree-vrp.c (compare_values): Remove code dealing with
6600 comparisons against type min/max value. Honour overflow
6601 and negative constants in code dealing with comparisons
6602 of plus and minus expressions.
6603 (value_inside_range): Use fold_binary with LE_EXPR and
6604 GE_EXPR rather than compare_values.
6606 2006-04-27 Dirk Mueller <dmueller@suse.de>
6608 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
6611 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
6613 * basic-block.h (safe_insert_insn_on_edge): Removed.
6614 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
6616 2006-04-26 David Edelsohn <edelsohn@gnu.org>
6617 Paolo Bonzini <bonzini@gnu.org>
6620 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
6621 (simplify_and_const_int): Same.
6623 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
6625 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
6627 2006-04-26 Jakub Jelinek <jakub@redhat.com>
6630 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
6631 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
6632 cgraph_global_info_ready.
6635 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
6638 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
6639 either decl or init is error_mark_node.
6642 * tree-flow.h (struct omp_region): Add sched_kind.
6643 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
6644 instead of extracting omp for data.
6645 (expand_omp_for): Save extracted sched_kind.
6647 2006-04-25 Roger Sayle <roger@eyesopen.com>
6649 * expmed.c (store_bit_field): Also check whether the bitsize is
6650 valid for the machine's "insv" instruction before moving the
6651 target into a pseudo for use with the insv.
6652 * config/i386/predicates.md (const8_operand): New predicate.
6653 * config/i386/i386.md (extv, extzv, insv): Use the new
6654 const8_operand predicate where appropriate.
6656 2006-04-25 DJ Delorie <dj@redhat.com>
6658 * doc/install.texi (Specific): Clarify that this is not a list of
6659 supported hosts or targets.
6661 2006-04-25 Richard Sandiford <richard@codesourcery.com>
6663 PR rtl-optimization/26725
6664 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
6665 block's BB_DIRTY flag.
6667 2006-04-25 Geoffrey Keating <geoffk@apple.com>
6669 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
6672 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
6673 to print an integer.
6675 2006-04-25 David Edelsohn <edelsohn@gnu.org>
6677 * varasm.c (align_variable): New function.
6678 (get_block_for_decl): Apply align_variable to DECL before
6679 calculating section information.
6680 (assemble_variable): Split out alignment computation.
6682 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
6684 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
6687 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
6689 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
6690 MODE_PARTIAL_INT mode.
6691 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
6692 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
6694 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
6695 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
6697 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
6699 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
6701 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
6702 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
6703 MACFLAG_IH): Likewise.
6704 (movstricthi_1): Renamed from "*movstricthi".
6705 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
6706 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
6707 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
6708 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
6709 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
6710 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
6711 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
6712 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
6713 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
6714 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
6715 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
6716 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
6717 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
6718 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
6719 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
6721 * doc/rtl.texi (ss_ashift): Improve wording.
6723 2006-04-24 Geoffrey Keating <geoffk@apple.com>
6725 * dwarf2out.c (verify_marks_clear): New.
6726 (prune_unused_types): Call verify_marks_clear initially, not
6729 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
6731 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
6732 * doc/rtl.texi: Document them.
6733 * simplify-rtx.c (simplify_unary_operation,
6734 simplify_binary_operation_1): Don't abort when we see them.
6736 2006-04-24 Mark Mitchell <mark@codesourcery.com>
6739 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6740 * configure.ac: Completely disregard languages that are not
6742 * configure: Regenerated.
6744 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6745 Richard Guenther <rguenther@suse.de>
6747 PR tree-optimization/27236
6748 * tree-inline.c (copy_body_r): Make sure to copy
6749 TREE_THIS_VOLATILE flag.
6751 2006-04-24 Richard Guenther <rguenther@suse.de>
6754 * tree-complex.c (update_parameter_components): Don't handle
6755 unused parameters which have no default def.
6757 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6758 Richard Guenther <rguenther@suse.de>
6760 PR tree-optimization/27218
6761 * tree-inline.c (expand_call_inline): Strip useless type
6762 conversions for the return slot address.
6764 2006-04-24 Richard Guenther <rguenther@suse.de>
6766 * cfgloop.h (struct loops): Remove unused field array. Reorder
6768 (LOOP_PREFETCH): Remove.
6770 2006-04-24 Richard Guenther <rguenther@suse.de>
6772 PR tree-optimization/22525
6773 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
6774 variable, adjust types of generated expressions.
6776 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
6778 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
6779 (tree-vect-patterns.o): Likewise.
6781 (cselib.o): Likewise.
6782 (loop-doloop.o): Likewise.
6783 (regclass.o): Likewise.
6784 (reload1.o): Likewise.
6785 (explow.o): Replace target.h with $(TARGET_H).
6786 (ipa-prop.o): Likewise.
6787 (ipa-cp.o): Likewise.
6788 (ipa-inline.o): Likewise.
6789 (reorg.o): Likewise.
6790 (reg-stack.o): Likewise.
6792 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6794 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
6796 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6798 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
6800 * configure.ac: Completely disregard languages that are not
6802 * configure: Regenerated.
6805 * c-common.h (c_build_bitfield_integer_type): Declare.
6806 * c-decl.c (c_build_bitfield_integer_type): Move to ...
6807 * c-common.c (c_build_bitfield_integer_type): ... here.
6809 2006-04-23 Roger Sayle <roger@eyesopen.com>
6812 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
6813 a SImode SUBREG of a floating point register after no_new_pseudos.
6815 2006-04-23 Roger Sayle <roger@eyesopen.com>
6817 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
6818 identify potentially eliminable registers to additionally catch
6819 VIRTUAL_INCOMING_ARGS_REGNUM.
6820 (addsi3): Update the conditions on when to use addsi_small_int.
6822 2006-04-23 Roger Sayle <roger@eyesopen.com>
6825 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
6826 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
6827 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
6829 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6831 * fold-const.c (range_predecessor): Use operand_equal_p
6832 as the predicate for equality.
6833 (range_successor): Likewise.
6835 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6838 * config/soft-fp/op-common.h: Fix a typo.
6840 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
6843 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
6844 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
6846 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6848 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
6850 * doc/tm.texi: Fix a typo.
6852 2006-04-21 Geoffrey Keating <geoffk@apple.com>
6854 * dwarf2out.c (struct die_struct): Document that die_sib makes
6855 a circular linked list.
6856 (FOR_EACH_CHILD): New.
6857 (reverse_die_lists): Delete.
6858 (reverse_all_dies): Delete.
6859 (add_dwarf_attr): Correct documentation.
6860 (remove_child_with_prev): New.
6861 (remove_child_TAG): Update for change to die_struct, use
6862 remove_child_with_prev.
6863 (add_child_die): Update for change to die_struct.
6864 (splice_child_die): Use remove_child_with_prev and add_child_die.
6865 (print_die): Use FOR_EACH_CHILD.
6866 (die_checksum): Likewise.
6867 (assign_symbol_names): Likewise.
6868 (output_location_lists): Likewise.
6869 (build_abbrev_table): Likewise.
6870 (calc_die_sizes): Likewise.
6871 (mark_dies): Likewise.
6872 (unmark_dies): Likewise.
6873 (unmark_all_dies): Likewise.
6874 (output_die): Likewise.
6875 (prune_unused_types_mark): Likewise.
6876 (prune_unused_types_walk): Likewise.
6877 (same_die_p): Update for change to die_struct.
6878 (break_out_includes): Likewise.
6879 (prune_unused_types_prune): Likewise.
6880 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
6881 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
6883 (dwarf2out_finish): Don't call reverse_all_dies.
6885 2006-04-21 Eric Christopher <echristo@apple.com>
6887 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
6888 in comments and function names.
6890 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6893 * c-typeck.c (digest_init): Robustify.
6895 * c-typeck.c (pop_init_level): Simplify.
6897 2006-04-21 Steve Ellcey <sje@cup.hp.com>
6899 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
6901 2006-04-21 Paul Brook <paul@codesourcery.com>
6903 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
6904 hardware floating point.
6906 2006-04-21 David Edelsohn <edelsohn@gnu.org>
6908 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
6911 2006-04-21 Nick Clifton <nickc@redhat.com>
6913 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
6916 2006-04-21 Alan Modra <amodra@bigpond.net.au>
6919 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
6920 C++ lang type in traceback table for Objective-C++.
6922 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
6924 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
6926 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
6928 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6931 * tree-mudflap.c (mudflap_finish_file): Skip function when there
6932 were errors. Remove check for erroneous objects.
6934 2006-04-20 Jeff Law <law@redhat.com>
6936 PR tree-optimization/26854
6937 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
6938 checking for zero or one use.
6939 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
6940 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
6941 * tree-ssa-reassoc.c (negate_value): Similarly.
6942 (reassociate_bb): Similarly.
6944 2006-04-20 Jakub Jelinek <jakub@redhat.com>
6946 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
6947 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
6948 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
6950 2006-04-20 Alan Modra <amodra@bigpond.net.au>
6952 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
6953 fp regs if the last fp arg doesn't fit in regs.
6955 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
6958 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
6959 that the last insn has the REG_INC note.
6961 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
6962 Nathan Sidwell <nathan@codesourcery.com>
6965 * stor-layout.c (update_alignment_for_field): Do not align
6967 (place_union_field): Place union field at the start of the union.
6968 (place_field): Move ERROR_MARK check later, and use the current
6969 allocation position to maintain monotonicity.
6971 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
6973 * dominance.c: Include timevar.h.
6974 (calculate_dominance_info): Use TV_DOMINANCE.
6975 * timevar.def (TV_DOMINANCE): New timevar.
6976 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
6978 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
6980 PR rtl-optimization/14261
6981 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
6982 move would be an INSV insn.
6983 (noce_process_if_block): Don't optimize if the destination is a
6984 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
6986 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
6988 * config/s390/s390.md: Add comments with the instructions emitted
6989 by an insn pattern if macros are used.
6991 2006-04-19 Alan Modra <amodra@bigpond.net.au>
6993 PR rtl-optimization/26026
6994 * fold-const.c (fold_binary): Optimize div and mod where the divisor
6995 is a known power of two shifted left a variable amount.
6997 2006-04-18 Geoffrey Keating <geoffk@apple.com>
6999 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
7000 to hash table twice when the debug_str section has SECTION_MERGE.
7002 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
7004 * config/soft-fp: New directory. From glibc.
7005 * config/soft-fp/t-softfp: New.
7006 * config/soft-fp/README: New.
7007 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
7008 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
7009 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
7010 (LIBGCC_DEPS): Add $(SFP_MACHINE).
7011 * config.gcc: Use rs6000/t-fprules-fpbit or
7012 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
7014 * config/rs6000/sfp-machine.h: New. Based on glibc.
7015 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
7017 * config/rs6000/t-fprules: Remove fp-bit rules.
7018 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
7019 * config/rs6000/t-linux64: Likewise. Remove duplicates from
7020 LIB2FUNCS_EXTRA. Remove fp-bit rules.
7021 (softfp_wrap_start, softfp_wrap_end): New.
7023 2006-04-18 DJ Delorie <dj@redhat.com>
7025 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
7027 2006-04-18 Devang Patel <dpatel@apple.com>
7029 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
7031 2006-04-18 Nick Clifton <nickc@redhat.com>
7033 * config/sh/t-symbian: Add rule to build sh-c.o
7034 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
7035 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
7036 (sh_symbian_encode_section_info): Likewise.
7038 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
7040 * builtins.c (expand_builtin_strcmp): Cover label definition of
7041 do_libcall with HAVE_cmpstrnsi.
7043 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
7045 * function.c (temp_slots_at_level, max_slot_level): Use VEC
7047 * function.h (temp_slot_p): New.
7048 (function): Change the type of x_used_temp_slots to
7049 VEC(temp_slot_p,gc) *.
7051 2006-04-18 Nick Clifton <nickc@redhat.com>
7053 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
7054 flag_strength_reduce.
7056 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
7058 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7062 Partial revert of revision 112637
7063 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7064 Dale Johannesen <dalej@apple.com>
7067 * regclass.c (struct reg_pref): Update documentation.
7068 (regclass): Set prefclass to NO_REGS if memory is the best option.
7069 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7071 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7073 PR tree-optimization/26821
7074 * tree-ssa-math-opts.c (get_constant_one): New.
7075 (insert_reciprocals): Use it.
7077 2006-04-17 Geoffrey Keating <geoffk@apple.com>
7079 * dwarf2out.c (free_AT): Delete.
7080 (remove_AT): Update string ref counts.
7081 (remove_child_TAG): Don't call free_die.
7083 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
7084 or DW_TAG_GNU_EINCL.
7085 (prune_unused_types_walk_attribs): Reset string refcounts.
7086 (prune_unused_types_update_strings): New.
7087 (prune_unused_types_prune): Don't make unnecessary stores. Don't
7088 call free_die. Do call prune_unused_types_update_strings.
7089 (prune_unused_types): Empty debug_str_hash.
7091 2006-04-17 Roger Sayle <roger@eyesopen.com>
7093 * expr.c (expand_assignment): Optimize away no-op moves where the
7094 source and destination are equal and have no side-effects.
7096 2006-04-17 Richard Guenther <rguenther@suse.de>
7099 * reload.c (push_reload): Guard calls to get_secondary_mem
7102 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
7104 * alias.c (reg_base_value, old_reg_base_value): Change the
7105 type to VEC(rtx,gc) *.
7106 (REG_BASE_VALUE, find_base_value, record_set,
7107 init_alias_analysis): Use VEC instead of VARRAY.
7109 * alias.c (alias_sets): Change the type to
7110 VEC(alias_set_entry,gc) *.
7111 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
7112 VEC instead of VARRAY.
7113 (last_alias_set): Remove.
7115 * cgraph.h (cgraph_edge_p): New.
7116 Update the prototype of cgraph_function_versioning.
7117 * cgraphunit.c (cgraph_copy_node_for_versioning,
7118 cgraph_function_versioning): Use VEC instead of VARRAY.
7119 * ipa-cp.c (ipcp_insert_stage): Likewise.
7121 2006-04-16 Roger Sayle <roger@eyesopen.com>
7124 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
7125 "A op B" or "A op C", we may need to convert A to the type of B and C.
7127 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
7129 * target.h (struct gcc_target): Add mode_rep_extended.
7130 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
7131 (init_num_sign_bit_copies_in_rep): Initialize it using
7133 (truncate_to_mode): Use it.
7134 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
7135 * targhooks.h (default_mode_rep_extended): Declare it.
7136 * targhooks.c (default_mode_rep_extended): Define it.
7137 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
7138 default_mode_rep_extended.
7139 (TARGET_INITIALIZER): Include it.
7140 * doc/tm.texi (Misc): Document it.
7141 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
7142 (mips_truncated_to_mode): New function.
7144 2006-04-16 Roger Sayle <roger@eyesopen.com>
7147 * expr.c (compress_float_constant): Copy the narrow constant into
7148 a new pseudo before extending it to its final width.
7150 2006-04-16 Roger Sayle <roger@eyesopen.com>
7151 Andrew Pinski <pinskia@gcc.gnu.org>
7152 Dale Johannesen <dalej@apple.com>
7155 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
7156 special case code to implement V8HImode and V16QImode with SSE2.
7158 2006-04-15 Roger Sayle <roger@eyesopen.com>
7160 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
7161 trees are constructed with a suitable tree type.
7163 2006-04-15 Roger Sayle <roger@eyesopen.com>
7165 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
7166 (integer_onep): Likewise.
7167 (integer_all_onesp): Likewise.
7168 (integer_pow2p): Likewise.
7169 (integer_nonzerop): Likewise.
7170 (real_zerop): Likewise.
7171 (real_onep): Likewise.
7172 (real_twop): Likewise.
7173 (real_minus_onep): Likewise.
7174 (int_size_in_bytes): Likewise.
7175 (host_integerp): Likewise.
7177 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
7179 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
7180 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
7181 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
7183 * tree-ssa-structalias.h (alias_info): Remove num_references.
7185 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7187 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
7188 (output_bvb patterns): Likewise.
7189 * pa.c (output_bb): Use 'bb' insn for long branch case.
7190 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
7191 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
7192 1. Correct length operand for alternatives 1 and 2.
7193 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
7194 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
7196 2006-04-14 Roger Sayle <roger@eyesopen.com>
7198 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
7199 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
7200 were accidentally reverted by r112959.
7202 2006-04-15 Jakub Jelinek <jakub@redhat.com>
7205 * except.h (eh_region_outermost): New prototype.
7206 * except.c (eh_region_outermost): New function.
7207 * tree-cfg.c (find_outermost_region_in_block): Use it.
7209 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7211 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
7213 * reload1.c (reg_equiv_memory_loc_varray): Rename to
7214 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
7215 (init_reload, reload): Use VEC instead of VARRAY.
7216 * reload.h: Update the prototype for
7217 reg_equiv_memory_loc_varray.
7219 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
7220 Eric Botcazou <ebotcazou@libertysurf.fr>
7222 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
7225 2005-04-13 Uros Bizjak <uros@kss-loka.si>
7228 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
7229 to expand fallback builtin function call.
7231 2006-04-14 Alan Modra <amodra@bigpond.net.au>
7234 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
7235 and emit libcall here in case the builtin fails.
7236 (expand_builtin_strcmp): Always emit the libcall here on failure.
7238 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7240 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
7241 * flow.c (reg_n_info): Change the type to
7242 VEC(reg_info_p,heap) *.
7243 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
7245 * regs.h (reg_info_p): New.
7246 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
7247 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
7248 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
7251 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
7253 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
7255 * params.h (MAX_SCHED_READY_INSNS): New macro.
7256 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
7257 past MAX_SCHED_READY_INSNS during the first scheduling pass.
7258 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
7259 the ready list for 1 cycle during the first scheduling pass.
7260 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
7262 2006-04-13 Richard Henderson <rth@redhat.com>
7265 * gimple-low.c (lower_omp_directive): Remove dead code.
7266 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
7267 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
7268 * omp-low.c (struct omp_region): Move to tree-flow.h.
7269 (root_omp_region): Export.
7270 (omp_regions, lookup_omp_region): Remove.
7271 (determine_parallel_type): Update for struct omp_region changes.
7272 (dump_omp_region): Dump regions with block numbers.
7273 (new_omp_region): Take type and block instead of stmt; malloc
7275 (free_omp_region_1, free_omp_regions): New.
7276 (expand_parallel_call): Take entry_stmt as argument; update for
7277 changes to omp_region.
7278 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
7279 (remove_exit_barriers): New.
7280 (expand_omp_parallel): Update for struct omp_region changes.
7281 (expand_omp_synch): Likewise.
7282 (expand_omp): Likewise.
7283 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
7284 (expand_omp_for_static_chunk): Likewise.
7285 (expand_omp_for): Likewise.
7286 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
7287 (expand_omp_sections): Similarly, with GOMP_sections_end.
7288 (expand_omp_single): New.
7289 (build_omp_regions_1): Update for OMP_CONTINUE.
7290 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
7291 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
7292 OMP_SECTIONS_SECTIONS.
7293 (lower_omp_single_simple): Don't emit barrier here.
7294 (lower_omp_single_copy): Likewise.
7295 (lower_omp_single): Fix bindings, and lower to straightline now.
7296 (lower_omp_master, lower_omp_ordered): Likewise.
7297 (lower_omp_critical): Likewise.
7298 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
7299 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
7300 omp edges, free it afterward.
7301 (make_omp_sections_edges): Remove.
7302 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
7303 (move_stmt_r): Handle OMP_CONTINUE.
7304 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
7305 statement pointers to basic blocks. Add type member.
7306 (root_omp_region, new_omp_region, free_omp_regions): Declare.
7307 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
7308 * tree-inline.c (estimate_num_insns_1): Likewise.
7309 * tree-pretty-print.c (dump_generic_node): Likewise.
7310 * tree-ssa-operands.c (get_expr_operands): Likewise.
7311 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
7312 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
7313 (OMP_CONTINUE): New.
7314 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
7315 (OMP_SECTIONS_SECTIONS): Remove.
7316 (OMP_SECTION_LAST): New.
7317 (OMP_RETURN_NOWAIT): New.
7319 2006-04-13 Roger Sayle <roger@eyesopen.com>
7321 * fold-const.c (native_encode_vector, native_interpret_real):
7322 Correct obvious mistakes in the previous check-in.
7324 2006-04-13 Roger Sayle <roger@eyesopen.com>
7326 * fold-const.c (native_encode_expr): New function to encode
7327 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
7328 or VECTOR_CST into a specified buffer.
7329 (native_encode_int): New function.
7330 (native_encode_real): New function.
7331 (native_encode_complex): New function.
7332 (native_encode_vector): New function.
7333 (native_interpret_expr): Inverse of native_encode_expr to convert
7334 a target representation into an INTEGER_CST, REAL_CST etc...
7335 (native_interpret_int): New function.
7336 (native_interpret_real): New function.
7337 (native_interpret_complex): New function.
7338 (native_interpret_vector): New function.
7339 (fold_view_convert_expr): New function to constant fold/evaluate
7340 a VIEW_CONVERT_EXPR of a suitable constant expression.
7341 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
7342 Change call of build1 to fold_build1 when constructing a
7345 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
7346 Ulrich Weigand <uweigand@de.ibm.com>
7349 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
7352 2006-04-13 Alan Modra <amodra@bigpond.net.au>
7355 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
7356 optimize to lo_sum for DFmode if !TARGET_FPRS.
7358 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7360 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
7361 delete_alias_info, compute_flow_sensitive_aliasing,
7362 group_aliases): Use VEC instead of VARRAY.
7363 * tree-ssa-structalias.c (update_alias_info): Likewise.
7364 * tree-ssa-structalias.h (alias_info): Change the type of
7365 processed_ptrs to VEC(tree,heap) *.
7367 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
7370 * config/sh/lib1funcs.h: New file, broken out of:
7371 * config/sh/lib1funcs.asm.
7372 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
7374 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
7375 * config/sh/lib1funcs-Os-4-200.asm: New file.
7376 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
7377 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
7378 (EXTRA_MULTILIB_PARTS): Include it.
7379 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
7380 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
7381 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
7382 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
7385 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7387 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
7388 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
7389 tpa_compact, root_var_init, type_var_init): Use VEC instead of
7391 * tree-ssa-live.h: Include vecprim.h.
7392 (tree_partition_associator_d): Change the type of
7393 first_partition to VEC(int,heap) *.
7394 (tpa_first_partition): Use VEC instead of VARRAY.
7396 * Makefile.in (GTFILES): Move functions.h after tree.h.
7397 * function.c (reset_block_changes, record_block_change,
7398 check_block_change, free_block_changes): Use VEC instead of
7400 * function.h (function): Change the type of
7401 ib_boundaries_block to VEC(tree,gc) *.
7402 * tree-inline.c (copy_cfg_body): Initialize
7403 ib_boundaries_block to NULL instead of (varray_type) 0.
7405 2006-04-12 Roger Sayle <roger@eyesopen.com>
7407 * expr.c (emit_group_store): Correct operand order in call to
7408 subreg_lowpart_offset. Always create paradoxical SUBREGs with
7409 a SUBREG_BYTE of zero.
7411 2006-04-12 Richard Guenther <rguenther@suse.de>
7413 * profile.c (compute_branch_probabilities): Remove code
7414 encapsulated in !ir_type (), which are remanents of the
7415 removed RTL profiling code.
7416 * rtl-profile.c: Remove.
7418 2006-04-12 Alan Modra <amodra@bigpond.net.au>
7420 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
7421 magic NULL_RTX comment.
7422 (function_arg): Store entire fp arg to mem if any part should go
7424 (rs6000_arg_partial_bytes): Adjust for above change.
7426 2006-04-11 Roger Sayle <roger@eyesopen.com>
7428 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
7429 if it hasn't been initialized by dwarf2out_init.
7431 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
7433 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
7434 symbolic constants in branch patterns.
7436 2006-04-11 Roger Sayle <roger@eyesopen.com>
7438 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
7440 2006-04-11 Richard Sandiford <richard@codesourcery.com>
7442 PR rtl-optimization/27073
7443 * gcse.c (try_replace_reg): Revert last change. Continue to search
7444 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
7447 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
7449 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
7450 aggregate types other than record and union types.
7451 (function_arg): Likewise.
7452 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
7454 (function_value): In 64-bit mode, return objects that require it
7457 2006-04-11 Roger Sayle <roger@eyesopen.com>
7459 * dwarf2out.c (premark_used_types): Remove problematic prototype.
7461 2006-04-11 Jakub Jelinek <jakub@redhat.com>
7463 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
7465 2006-04-03 Jeff Law <law@redhat.com>
7468 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
7469 alias information too.
7471 2006-04-10 Mike Frysinger <vapier@gentoo.org>
7473 * Makefile.in (gcc-cross): Add $(exeext) to target name.
7475 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
7478 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
7479 (premark_used_types_helper): New.
7480 (premark_used_types): New.
7481 (gen_subprogram_die): Call premark_used_types.
7482 (prune_unused_types_walk): Do not prune perennial dies.
7483 * function.c (used_types_insert): New.
7484 * function.h (struct function): Add used_types_hash field.
7485 (used_types_insert): Add prototype.
7486 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
7487 * c-parser.c (c_parser_cast_expression): Save casted types in used
7490 2006-04-11 Mark Mitchell <mark@codesourcery.com>
7493 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
7494 rs6000_explicit_options.float_gprs.
7496 2006-04-10 Roger Sayle <roger@eyesopen.com>
7498 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
7499 from ix86_expand_vector_init_low_nonzero. Take an additional
7500 one_var argument indicating which element is non-zero. Support
7501 one_var != 0 for V4SFmode and V4SImode by permuting the result.
7502 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
7503 with one_var instead of ix86_expand_vector_init_low_nonzero.
7505 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
7507 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
7508 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
7509 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
7510 build/genextract.o): Depend on vecprim.h.
7511 * cfglayout.c, df-problems.c, function.c, genextract.c,
7512 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
7513 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
7517 2006-04-10 Geoffrey Keating <geoffk@apple.com>
7519 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
7520 Declare VECs of this type.
7521 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
7522 (remove_children): Delete.
7523 (add_dwarf_attr): Use VEC routines.
7524 (add_AT_flag): Update for changes to add_dwarf_attr.
7525 (add_AT_int): Likewise.
7526 (add_AT_unsigned): Likewise.
7527 (add_AT_long_long): Likewise.
7528 (add_AT_vec): Likewise.
7529 (add_AT_string): Likewise.
7530 (add_AT_die_ref): Likewise.
7531 (add_AT_fde_ref): Likewise.
7532 (add_AT_loc): Likewise.
7533 (add_AT_loc_list): Likewise.
7534 (add_AT_addr): Likewise.
7535 (add_AT_lbl_id): Likewise.
7536 (add_AT_lineptr): Likewise.
7537 (add_AT_macptr): Likewise.
7538 (add_AT_offset): Likewise.
7539 (add_AT_range_list): Likewise.
7540 (get_AT): Use VEC_iterate.
7541 (remove_AT): Use VEC_ordered_remove.
7542 (free_die): Fold remove_children into here; have it use VEC_iterate.
7543 (print_die): Use VEC_iterate on attrs.
7544 (reverse_die_lists): Don't reverse attr lists.
7545 (die_checksum): Use VEC_iterate on attrs.
7546 (same_die_p): Likewise.
7547 (output_location_lists): Likewise.
7548 (build_abbrev_table): Likewise.
7549 (size_of_die): Likewise.
7550 (unmark_all_dies): Likewise.
7551 (output_abbrev_section): Likewise.
7552 (output_die): Likewise.
7553 (prune_unused_types_walk_attribs): Likewise.
7555 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
7557 * doc/install.texi (*-*-solaris2*): Point to the configure page.
7559 2006-04-10 Jakub Jelinek <jakub@redhat.com>
7562 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
7564 2006-04-09 Roger Sayle <roger@eyesopen.com>
7566 * expr.c (store_constructor): Don't bother clearing target if
7567 we're about to assign a vector to it using vec_init_optab.
7569 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
7571 * tree-ssa-alias.c (lhs_may_store_to): New function.
7572 (recalculate_used_alone): Handle LHS of calls.
7574 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7578 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
7579 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
7580 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
7581 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
7582 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
7583 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
7584 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
7585 stubs. Add ".align 8" directives before all ".dword" directives.
7586 (GTHREAD_USE_WEAK): Revise comment.
7587 (TARGET_ATTRIBUTE_WEAK): Define.
7588 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
7589 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
7590 * stublib.c: New file.
7595 * pa.md (cbranch patterns): Revise arguments used in calls to
7596 output_cbranch, output_bb and output_bvd. Add long branch length
7598 (fbranch patterns): Handle long branches.
7599 (jump): Revise length check. Revise arguments for output_lbranch call.
7600 Add long branch length attributes.
7601 (decrement_and_branch_until_zero): Add long branch length attributes.
7602 (output_movb, output_parallel_addb and output_parallel_movb patterns):
7603 Likewise. Revise arguments for output_parallel_addb and
7604 output_parallel_movb calls.
7605 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
7606 output_parallel_movb and output_parallel_addb): Update prototypes.
7607 * pa.c (output_cbranch): Revise arguments. Correct handling of
7608 nullification in long branches.
7609 (output_lbranch): Add new argument to control extraction of delay
7611 (output_bb): Handle long branches.
7612 (output_bvb, output_dbra, output_movb, output_parallel_movb,
7613 output_parallel_addb): Likewise.
7615 2006-04-09 Richard Sandiford <richard@codesourcery.com>
7617 PR rtl-optimization/27073
7618 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
7621 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
7623 * tree.h (tree_memory_tag): Add old_used_alone.
7624 (SMT_OLD_USED_ALONE): New macro.
7625 * tree-ssa-alias.c (recalculate_used_alone): Stop
7626 marking things for renaming unnecessarily.
7628 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
7630 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
7631 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
7632 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
7633 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
7634 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
7635 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
7636 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
7637 spelling convensions.
7638 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
7639 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
7640 typos. Follow spelling conventions.
7642 2006-04-07 DJ Delorie <dj@redhat.com>
7644 * config/m32c/m32c.c (m32c_function_arg): Structures are always
7645 passed on the stack.
7646 (m32c_init_cumulative_args): When a function returns a structure,
7647 always pass the pointer to that return area on the stack.
7648 (m32c_function_arg_advance): Don't increment the parameter number
7649 if we're processing the returned structure pointer.
7650 (pushm_info): Reverse order of registers.
7652 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
7654 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
7655 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
7656 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
7657 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
7659 * tree-chrec.c (chrec_fold_multiply_poly_poly,
7660 chrec_fold_multiply): Same.
7661 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
7662 force_expr_to_var_cost): Same.
7663 * tree-mudflap.c (mf_xform_derefs_1): Same.
7664 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
7666 2006-04-07 David Edelsohn <edelsohn@gnu.org>
7668 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
7669 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
7672 2006-04-07 Jan Hubicka <jh@suse.cz>
7674 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
7676 2006-04-07 Richard Guenther <rguenther@suse.de>
7678 PR tree-optimization/26135
7679 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
7680 loads for store copy-prop.
7681 (copy_prop_visit_stmt): Likewise.
7683 2006-04-05 Robert Millan <robertmh@gnu.org>
7685 * config/i386/linux.h: Add a comment to mark macros that are
7686 being overriden in config/k*bsd-gnu.h.
7687 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
7689 * config/knetbsd-gnu.h: Ditto.
7691 2006-04-06 Jan Hubicka <jh@suse.cz>
7695 * coverage.c (coverage_checksum_string): Reorganize loop to not read
7698 2006-04-06 Mike Stump <mrs@apple.com>
7700 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
7701 for HAVE_nonlocal_goto to be consistent.
7702 (expand_builtin_nonlocal_goto): Likewise.
7703 (expand_builtin_strcmp): Use #ifdef instead of #if
7704 for HAVE_cmpstrnsi to be consistent.
7706 2006-04-05 DJ Delorie <dj@redhat.com>
7708 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
7711 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
7713 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
7714 got-relative addressing for anything but SImode.
7716 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
7717 even if the calling function doesn't modify them.
7719 2006-04-05 Richard Guenther <rguenther@suse.de>
7721 PR tree-optimization/26919
7722 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
7723 to cgraph_estimate_size_after_inlining.
7725 2006-04-05 Alan Modra <amodra@bigpond.net.au>
7727 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
7729 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
7731 PR tree-optimization/26996
7732 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
7733 VECTOR_TYPE variables.
7735 2006-04-05 Richard Guenther <rguenther@suse.de>
7737 PR tree-optimization/26763
7738 * fold-const.c (fold_comparison): Move folding of
7739 PTR + CST CMP PTR + CST ...
7740 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
7742 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
7744 * doc/install.texi (Prerequisites): Refine some wording on
7745 bootstrapping and ksh.
7746 Move the version numbers of DejaGnu here from the testing section
7747 and fix casing of names.
7748 Fix markup and clarify wording for autogen requirements.
7749 Refer to GCJ instead of just java.
7750 Refer to SVN instead of CVS.
7751 Describe diffutils as useful instead of necessary.
7752 (Downloading the source): Refer to SVN instead of CVS.
7753 Adjust a link to our web site accordingly.
7754 (Configuration): Fix casing of Bison.
7755 (Building): Refer to SVN instead of CVS.
7756 Fix a sentence on the use of Bison and remove duplicate (and
7757 incorrect) version number of Bison requirement.
7758 Remove one redundant list of packages needed for building.
7759 (Specific): Avoid reference to CVS.
7761 2006-04-04 Eric Christopher <echristo@apple.com>
7763 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
7764 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
7765 (rs6000_handle_struct_attribute): New.
7766 (rs6000_ms_bitfield_layout_p): Ditto.
7768 2006-04-04 Geoffrey Keating <geoffk@apple.com>
7770 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
7771 NULL for dso parameter to atexit_common.
7773 2006-04-04 Eric Christopher <echristo@apple.com>
7775 * config/i386/i386.c (machopic_output_stub): Output \t
7776 between instructions and operands.
7778 2006-04-04 David Edelsohn <edelsohn@gnu.org>
7780 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
7781 satisfies_constraint_[IL] to explicit tests on value.
7783 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
7785 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7786 set_nb_iterations_in_loop): Use build_int_cst instead of
7788 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
7789 build_int_cst instead of convert.
7791 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
7793 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
7794 new value 2 for incoming.
7795 * function.c (expand_function_start): Call struct_value_rtx
7797 * config/sparc/sparc.md: Comment updated_return.
7798 * config/sparc/sparc.opt: Add -mstd-struct-return option.
7799 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
7800 struct return if sparc_std_struct_return and incoming is 2.
7801 (print_operand): Do not adjust return if
7802 sparc_std_struct_return.
7804 2006-04-04 Roger Sayle <roger@eyesopen.com>
7806 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
7807 convert in the middle-end.
7808 * expr.c (store_expr, store_constructor, get_inner_reference,
7809 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
7811 * tree.c (build_range_type): Likewise.
7813 2006-04-04 Tom Tromey <tromey@redhat.com>
7815 * doc/install.texi (Prerequisites): Mention jar.
7817 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
7819 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
7822 2006-04-04 Matthias Klose <doko@debian.org>
7824 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
7828 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
7831 2006-04-03 Geoffrey Keating <geoffk@apple.com>
7833 * doc/extend.texi (Function Attributes): Rewrite visibility
7834 attribute documentation.
7835 * doc/invoke.texi (C++ Dialect Options): Rewrite
7836 -fvisibility-inlines-hidden documentation to describe something
7837 entirely different, although in practise compatible.
7838 (Code Gen Options): Warn about system headers in -fvisibility=
7841 * doc/extend.texi (Other Builtins): Document that
7842 __builtin_nan is a compile-time constant only when its argument
7845 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
7847 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
7848 trying to remove TRUNCATE check if all bits outside the new mode
7849 are identical to the sign bit.
7851 2006-04-03 Jeff Law <law@redhat.com>
7853 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
7854 and operand scanning in some common cases.
7856 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7857 Dale Johannesen <dalej@apple.com>
7860 * regclass.c (struct reg_pref): Update documentation.
7861 (regclass): Set prefclass to NO_REGS if memory is the best option.
7862 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7863 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
7864 into account. For non-registers, equate an empty preferred
7865 reload class to a `!' in the constraint; move the if clause to
7866 do so after those that reject the insn.
7867 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
7869 (find_dummy_reload): Likewise.
7870 * doc/tm.texi (Register Classes): Document what it means
7871 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
7872 * config/i386/i386.c (ix86_preferred_reload_class): Force
7873 using SSE registers (and return NO_REGS for floating-point
7874 constants) if math is done with SSE.
7875 (ix86_preferred_output_reload_class): New.
7876 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
7877 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
7878 * config/i386/i386.md: Remove # register preferences.
7880 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7883 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7884 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
7885 the type of nb_iter.
7886 (instantiate_parameters_1): Convert the operands before calling
7887 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
7888 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
7890 2006-04-02 Roger Sayle <roger@eyesopen.com>
7892 * builtins.c (dummy_object): Use build_int_cst instead of convert.
7893 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
7895 * dojump.c (do_jump): Likewise.
7896 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
7897 * gimplify.c (gimple_boolify, gimplify_init_constructor,
7898 gimplify_boolean_expr): Likewise.
7899 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
7900 * varasm.c (array_size_for_constructor): Likewise.
7901 * tree-object-size.c (compute_object_offset): Likewise.
7903 2006-04-02 Roger Sayle <roger@eyesopen.com>
7906 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
7907 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
7909 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7911 PR tree-optimization/26939
7912 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
7914 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7916 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
7917 at_stmt. Convert the type of operands before calling
7918 build_polynomial_chrec.
7919 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
7921 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
7922 (instantiate_parameters_1): Convert the type of operands before calling
7923 build_polynomial_chrec.
7924 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
7925 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
7926 reset_evolution_in_loop): Insert asserts to check the types of the
7928 (chrec_type): Moved...
7929 (eq_evolutions_p): Use operand_equal_p.
7930 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
7931 the types of the operands.
7932 (chrec_type): ...here.
7933 * tree-data-ref.c (create_data_ref): Convert the operands before
7934 calling chrec_replace_initial_condition.
7935 (same_access_functions, analyze_subscript_affine_affine,
7936 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
7937 (compute_subscript_distance, analyze_ziv_subscript,
7938 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
7939 analyze_miv_subscript): Convert the operands before calling
7940 chrec_fold_minus or chrec_fold_plus.
7942 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7944 * tree-data-ref.c (compute_all_dependences): Use a pointer to
7945 the dependence_relations vector.
7946 (compute_data_dependences_for_loop): Adjust call to
7947 compute_all_dependences.
7949 2006-04-01 Roger Sayle <roger@eyesopen.com>
7950 Richard Henderson <rth@redhat.com>
7952 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
7953 gimple_boolify on the condition before calling gimplify_expr.
7955 2006-03-31 Bob Wilson <bob.wilson@acm.org>
7957 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
7958 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
7959 the frame size. Update to use the new macros.
7960 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
7961 * config/xtensa/ieee754-df.S: Likewise.
7963 2006-03-31 Richard Henderson <rth@redhat.com>
7965 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
7966 (make_edges): ... here. Control fallthru creation with a local
7967 variable. Do not play with fake edges.
7968 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
7969 (make_goto_expr_edges): Don't play with fake edges. Make for_call
7972 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
7974 * dwarf2.h (DW64_CIE_ID): Define.
7975 * dwarf2out.c (DWARF_CIE_ID): Define.
7976 (output_call_frame_info): Output 0xffffffff before standard 8-byte
7977 length header. Use DWARF_CIE_ID.
7978 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
7979 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
7981 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
7983 * config/sh/linux-atomic.asm: New file.
7984 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
7986 2006-03-31 DJ Delorie <dj@redhat.com>
7988 * config/m32c/cond.md: Set condition flags properly throughout.
7989 * config/m32c/minmax.md: Likewise.
7990 * config/m32c/prologue.md: Likewise.
7991 * config/m32c/bitops.md: Likewise.
7992 * config/m32c/muldiv.md: Likewise.
7993 * config/m32c/mov.md: Likewise.
7994 * config/m32c/addsub.md: Likewise.
7995 * config/m32c/m32c.md: Likewise.
7996 * config/m32c/jump.md: Likewise.
7997 * config/m32c/shift.md: Likewise.
7999 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
8000 conditionally output the pattern for this.
8001 * config/m32c/m32c.c (flags_needed_for_conditional): New.
8002 (m32c_compare_redundant): New.
8003 (m32c_output_compare): New.
8004 * config/m32c/m32c-protos.h (m32c_output_compare): New.
8006 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
8007 dest, not src. Allow other 4-byte modes.
8009 2006-03-30 Denis Chertykov <denisc@overta.ru>
8011 * doc/md.texi: Refer to avr/constraints.md instead of
8014 2006-03-30 Roger Sayle <roger@eyesopen.com>
8016 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
8017 signed vs. unsigned comparison failures on some hosts.
8019 2006-03-31 Alan Modra <amodra@bigpond.net.au>
8022 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
8023 change to FLOAT_REGS.
8025 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
8026 (rs6000_override_options): Use it.
8027 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
8028 only for -mabi=spe/no-spe and -mabi=altivec.
8030 2006-03-30 Geoffrey Keating <geoffk@apple.com>
8032 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
8035 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
8037 * Makefile.in: Rename docdir to gcc_docdir.
8039 2006-03-30 Roger Sayle <roger@eyesopen.com>
8042 * expr.c (emit_group_store): Optimize group stores into a pseudo
8043 register by using a paradoxical subreg to initialize the destination
8044 if the first or last member of the group specifies a "low part".
8046 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8049 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
8050 * target.h (struct gcc_target.speculate_insn): Change type of the
8051 second parameter to 'int'.
8052 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
8053 the second operand of the DEPS_LIST.
8054 (copy_DEPS_LIST_list): Update reference to the second operand of the
8056 * rtl.h (alloc_DEPS_LIST): Update signature.
8057 * sched-int.h (ds_t): Change typedef to 'int'.
8058 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8060 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8062 * haifa-sched.c (try_ready): Change condition to restore
8063 non-speculative pattern of the instruction.
8064 (process_insn_depend_be_in_spec): Code to keep probability of the
8065 speculative dependence non-decreasing.
8067 2006-03-30 Jie Zhang <jie.zhang@analog.com>
8069 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
8070 (single_move_for_movmem): ... this. Also change all uses.
8071 (bfin_expand_strmov): Renamed to...
8072 (bfin_expand_movmem): ... this. Also change all uses.
8073 * config/bfin/bfin.md (movstrsi): Renamed to...
8074 (movstrsi): ...this.
8076 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
8078 PR tree-optimization/26830
8080 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
8081 (copy_prop_visit_stmt): Remove write-only variable ann.
8082 (init_copy_prop): Check variable loop depth here. Do not simulate
8083 memory-tag and virtual operand PHIs except for store copy prop.
8085 2006-03-30 Richard Guenther <rguenther@suse.de>
8087 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
8088 variants with double arguments.
8090 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8092 * genpreds.c (write_tm_constrs_h): Delete variable p.
8093 * genconditions.c (write_header): Add tm-constrs.h to included
8095 * genpeep.c (main): Add toplev.h to included headers.
8096 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
8097 (build/genpeep.o): Add toplev.h dependency.
8098 * config/rs6000/constraints.md: Add "W" constraint.
8100 2006-03-29 Roger Sayle <roger@eyesopen.com>
8102 * stor-layout.c (mode_for_size_tree): Remove restiction on type
8103 sizes by correctly testing whether the size fits a host integer.
8104 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
8105 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
8106 SImode range for the default sizetype and bitsizetype.
8108 2006-03-29 Roger Sayle <roger@eyesopen.com>
8110 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
8111 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
8112 quickly if the argument is already of the correct type.
8113 Call fold_build1 instead of build1. Tidy up blank lines.
8115 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8117 * genemit.c (main): Add tm-constrs.h to included headers.
8118 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
8119 * genpeep.c (main): Add tm-constrs.h to included headers.
8120 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
8121 (write_tm_constrs_h): this and write complete file.
8122 (write_tm_preds_h): Do not emit satisfies_constraint fns.
8123 (write_insn_preds_c): Add tm-constrs.h to included headers.
8124 (gen_constrs): New variable.
8125 (parse_option): Parse "-c".
8126 (main): Invoke write_tm_constrs_h.
8127 * genrecog.c (write_header): Add tm-constrs.h to included headers.
8128 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
8129 (object_out_file): Add tm-constrs.h dependency.
8130 (insn-emit.o): Same.
8131 (insn-output.o): Same.
8132 (insn-peep.o): Same.
8133 (insn-preds.o): Same.
8134 (insn-recog.o): Same.
8135 (tm-constsr.h): New target.
8136 (s-constrs-h): New target.
8138 * config/rs6000/constraints.md: New file.
8139 * config/rs6000/rs6000.c: Include tm-constrs.h.
8140 (num_insn_constant_wide): Convert to satisfies_constraint.
8141 (rs6000_rtx_costs): Convert to satisfies_constraint.
8142 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
8143 (CONST_OK_FOR_LETTER_P): Delete.
8144 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8145 (EXTRA_CONSTRAINT): Delete.
8146 (EXTRA_MEMORY_CONSTRAINT): Delete.
8147 (EXTRA_ADDRESS_CONSTRAINT): Delete.
8148 * config/rs6000/predicates.md: Convert to satisfies_constraint.
8149 * config/rs6000/rs6000.md: Include constraints.md. Convert to
8150 satisfies_constraint.
8152 * config/i386/i386.c: Include tm-constrs.h.
8154 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8156 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
8157 * tree-data-ref.c (find_data_references_in_loop,
8158 compute_data_dependences_for_loop): Use pointers to VEC.
8159 (analyze_all_data_dependences): Adjust calls.
8160 * tree-data-ref.h (find_data_references_in_loop,
8161 compute_data_dependences_for_loop): Adjust declarations.
8162 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
8163 compute_data_dependences_for_loop.
8165 2006-03-29 Paul Brook <paul@codesourcery.com>
8167 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
8170 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8172 PR tree-optimization/26859
8173 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
8175 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
8176 for the step after fold_convert.
8178 2006-03-29 Paul Brook <paul@codesourcery.com>
8180 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
8181 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
8183 2006-03-29 Paul Brook <paul@codesourcery.com>
8186 * targhooks.c (default_narrow_bitfield): New fuction.
8187 * targhooks.h (default_narrow_bitfield): add prototype.
8188 * target.h (gcc_target): Add narrow_volatile_bitfield.
8189 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8190 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
8191 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
8192 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8194 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
8196 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
8198 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
8199 (NR_C_MODES): Add TDmode, DDmode and SDmode.
8200 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
8201 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
8202 (s390_function_arg_float): Allow SDmode and DDmode values to be
8203 passed in floating point registers.
8204 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
8205 check with SCALAR_FLOAT_MODE_P.
8206 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
8208 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8210 PR tree-optimization/25985
8211 * tree-ssa-loop-niter.c (number_of_iterations_le,
8212 number_of_iterations_ne): Make comments more precise.
8213 (number_of_iterations_cond): Add only_exit argument. Use the
8214 fact that signed variables do not overflow only when only_exit
8216 (loop_only_exit_p): New.
8217 (number_of_iterations_exit): Pass result of loop_only_exit_p to
8218 number_of_iterations_cond.
8220 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8222 PR tree-optimization/26643
8223 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
8226 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
8228 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
8229 (divsi3_i4_int): Likewise.
8231 2006-03-28 Roger Sayle <roger@eyesopen.com>
8233 * expr.c (emit_group_store): Only create a new pseudo reg if the
8234 quantity it needs to hold isn't already a suitable pseudo.
8236 2006-03-28 Jeff Law <law@redhat.com>
8238 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
8239 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
8241 2006-03-28 Roger Sayle <roger@eyesopen.com>
8243 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
8244 the equivalent ~X & Y, and the symmetry related transformations.
8245 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
8246 ~X & Y, and symmetry related transforms.
8248 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8250 Revert my 2006-03-27 patches.
8252 2006-03-28 Roger Sayle <roger@eyesopen.com>
8254 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
8255 ~(T1)X, when T1 and T2 are integer types of the same precision
8256 and (T2)X isn't an extension.
8258 2006-03-28 Jeff Law <law@redhat.com>
8260 PR tree-optimization/26796
8261 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
8262 need EH edge cleanups rather than purging them immediately.
8263 (eliminate_degenerate_phis): Handle queued EH cleanups.
8265 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
8267 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
8270 2006-03-27 Roger Sayle <roger@eyesopen.com>
8273 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
8274 cast BIT_NOT_EXPR operand to the correct type.
8276 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
8278 * tree-loop-linear.c: Don't include varray.h.
8279 (gather_interchange_stats, try_interchange_loops,
8280 linear_transform_loops): Use VEC instead of VARRAY.
8281 * lambda-mat.c: Don't include varray.h.
8282 * tree-chrec.c: Same.
8283 * lambda-trans.c: Same.
8284 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
8285 VEC instead of VARRAY.
8286 * tree-vectorizer.h: Idem.
8287 * tree-data-ref.c (dump_data_references,
8288 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
8289 initialize_data_dependence_relation, finalize_ddr_dependent,
8290 compute_all_dependences, find_data_references_in_loop,
8291 compute_data_dependences_for_loop, analyze_all_data_dependences,
8292 free_dependence_relation, free_dependence_relations,
8293 free_data_refs): Idem.
8294 * tree-data-ref.h (data_reference_p, subscript_p): New.
8295 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
8296 VEC instead of VARRAY.
8297 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
8298 (find_data_references_in_loop, compute_data_dependences_for_loop,
8299 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
8300 dump_data_dependence_relations, free_dependence_relations,
8301 free_data_refs): Adjust declaration.
8302 (lambda_transform_legal_p): Move declaration here...
8303 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
8304 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
8305 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
8306 vect_analyze_data_refs): Use VEC instead of VARRAY.
8307 * lambda.h (lambda_transform_legal_p): ...from here.
8308 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
8309 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
8310 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
8311 tree-chrec.o): Don't depend on VARRAY_H.
8313 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8315 * rtl.def (Copyright): Update date.
8316 (DEPS_LIST): Change type of the second operand to 'int'.
8317 * target.h (Copyright): Update date.
8318 (struct gcc_target.speculate_insn): Change type of the second parameter
8320 * lists.c (Copyright): Update date.
8321 (alloc_DEPS_LIST): Change signature. Update reference to the second
8322 operand of the DEPS_LIST.
8323 (copy_DEPS_LIST_list): Update reference to the second operand of the
8325 * rtl.h (Copyright): Update date.
8326 (alloc_DEPS_LIST): Update signature.
8327 * sched-int.h (Copyright): Update date.
8328 (ds_t): Change typedef to 'int'.
8329 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8331 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8333 * haifa-sched.c (Copyright): Update date.
8334 (try_ready): Change condition to restore non-speculative pattern
8336 (process_insn_depend_be_in_spec): Code to keep probability of the
8337 speculative dependence non-decreasing.
8339 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
8341 * regrename.c (replace_oldest_value_addr): Initialize a variable to
8342 shut up the compiler.
8344 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
8346 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
8347 to use lib prefix for target.
8348 ($(T)libic_invalidate_array_4-200.a): Likewise.
8349 ($(T)libic_invalidate_array_4a.a): Likewise.
8351 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
8352 J"orn Rennecke <joern.rennecke@st.com>
8354 * superh.opt: New file.
8355 * sh.c (boardtype, osruntime): Remove.
8356 * superh.h (SUBTARGET_OPTIONS): Remove.
8357 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
8359 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
8360 arguments with ^ and/or [].
8362 * config.gcc (sh-*-*): Add quoting to account for quirk of
8364 Replace == with = in enable_incomplete_targets test.
8366 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
8367 with MASK_LITTLE_ENDIAN.
8369 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
8370 * config/sh/sh.opt: Added to some comments.
8371 * config/sh/superh.h: Removed some chaff.
8373 * config/sh/sh.opt: Add m4-[1234]00* options.
8374 * config/sh/sh.c (sh_handle_option): Likewise.
8375 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
8376 (ic_invalidate_array_4-100.o): New rule.
8377 ($(T)libic_invalidate_array_4-100.a): Likewise.
8378 (ic_invalidate_array_4-200.o): Likewise.
8379 ($(T)libic_invalidate_array_4-200.a): Likewise.
8380 (ic_invalidate_array_4a.o): Likewise.
8381 ($(T)libic_invalidate_array_4a.a): Likewise.
8382 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
8383 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
8385 * config/sh/crt1.asm: Merged in profiling code.
8386 * config/sh/superh.h (STARTFILE_SPEC): Override.
8387 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
8388 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
8389 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
8391 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
8392 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
8393 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
8395 * sh.opt (mpretend-cmove): New option.
8396 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
8397 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
8398 (movsicc): Add TARGET_PRETEND_CMOVE code.
8400 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
8402 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
8403 s390_class_max_nregs): New function prototypes.
8404 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
8405 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
8406 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
8407 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
8409 2006-03-26 Geoffrey Keating <geoffk@apple.com>
8411 * dwarf2out.c (add_location_or_const_value_attribute): Call
8412 tree_add_const_value_attribute if nothing else works.
8413 (reference_to_unused): New.
8414 (rtl_for_decl_init): Use reference_to_unused to decide whether
8415 to output an initializer.
8417 2006-03-27 Alan Modra <amodra@bigpond.net.au>
8420 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
8421 peephole removing spe frob_di_df_2.
8423 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
8425 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
8426 (subscript_dependence_tester_1): Declared.
8427 (print_dir_vectors, print_dist_vectors): New.
8428 (debug_data_dependence_relation): New.
8429 (dump_data_dependence_relation): Print more details.
8430 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
8431 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
8432 (save_dist_v, save_dir_v, add_outer_distances,
8433 build_classic_dist_vector_1): New.
8434 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
8435 Don't test for lambda_vector_lexico_pos.
8436 (same_access_functions, add_multivariate_self_dist,
8437 add_other_self_distances, dir_from_dist): New.
8438 (build_classic_dir_vector): Replace implementation almost identical to
8439 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
8441 (subscript_dependence_tester_1): New.
8442 (subscript_dependence_tester): Handle the lexicographically negative
8443 distance vectors by recomputing the dependence relation.
8444 (compute_affine_dependence): Remove parameter loop_nest_depth.
8445 (compute_self_dependence): Don't call compute_subscript_distance.
8446 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
8447 Add a parameter for the loop_nest.
8448 (find_loop_nest_1, find_loop_nest): New.
8449 (compute_data_dependences_for_loop): Compute the loop nest, and give
8450 up if the nest is not well formed.
8451 * tree-data-ref.h (loop_p): New.
8452 (struct data_dependence_relation): Replace size_vect field with
8453 loop_nest, a vec of loops.
8454 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
8455 (DDR_LOOP_NEST): New.
8456 (print_dir_vectors, print_dist_vectors,
8457 debug_data_dependence_relation): Declared.
8458 (index_in_loop_nest): New.
8459 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
8460 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
8463 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
8465 * simplify-rtx.c (simplify_relational_operation): Call
8466 simplify_relational_operation_1 even if mode is VOIDmode.
8468 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
8470 PR tree-optimization/26804
8471 * tree.h (DECL_CALL_CLOBBERED): New macro.
8472 (tree_decl_common): Add call_clobbered_flag.
8473 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
8474 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
8475 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
8476 (mark_non_addressable): Ditto.
8477 * tree-ssa.c (verify_call_clobbered): New function.
8478 (verify_alias_info): Use it.
8479 * tree-pass.h (pass_reset_cc_flags): New prototype.
8480 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
8481 (reset_cc_flags): New function.
8482 * passes.c (init_optimization_passes): Call reset_cc_flags after
8483 initializing referenced_vars.
8485 2006-03-25 Uros Bizjak <uros@kss-loka.si>
8486 Roger Sayle <roger@eyesopen.com>
8489 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
8490 to 1.0 for non-real operands. Implement A / A optimization for
8493 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
8495 * config/i386/i386.c (size_cost): Correct the comment for
8496 cost of storing fp registers.
8497 (i386_cost): Likewise.
8498 (i486_cost): Likewise.
8499 (pentium_cost): Likewise.
8500 (pentiumpro_cost): Likewise.
8501 (k6_cost): Likewise.
8502 (athlon_cost): Likewise.
8503 (k8_cost): Likewise.
8504 (pentium4_cost): Likewise.
8505 (nocona_cost): Likewise.
8506 (generic64_cost): Likewise.
8507 (generic32_cost): Likewise.
8509 2006-03-24 Denis Chertykov <denisc@overta.ru>
8511 * config/avr/avr-protos.h (extra_constraint): Delete.
8512 (extra_constraint_Q): New declaration.
8513 * config/avr/constraints.md: New file.
8514 * config/avr/avr.md: Include it.
8515 (REG_X, REG_Y, REG_Z, REG_W): New constants.
8516 (TMP_REGNO, ZERO_REGNO): Likewise.
8517 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
8518 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
8519 (extra_constraint): Delete.
8520 (extra_constraint_Q): Test for memory constraint 'Q'.
8521 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
8522 (REG_CLASS_FROM_LETTER): Delete.
8523 (CONST_OK_FOR_LETTER_P): Delete.
8524 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8525 (EXTRA_CONSTRAINT): Delete.
8526 (TMP_REGNO): Delete.
8527 (ZERO_REGNO): Delete.
8529 2006-03-24 Jeff Law <law@redhat.com>
8531 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
8532 directly. Call mark_new_vars_to_rename slightly earlier.
8534 2006-03-24 Geoffrey Keating <geoffk@apple.com>
8536 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
8538 (gen_compile_unit_die): Use new language types for Objective-C and
8540 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
8541 DW_LANG_C_plus_plus.
8544 * config/t-darwin (crt3.o): Work around bug 26840.
8545 * config/darwin-crt3.c: Rewrite.
8546 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
8548 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
8550 * doc/invoke.texi: Document -femit-class-debug-always
8551 * common.opt: Add -femit-class-debug-always.
8553 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
8555 * config/s390/s390.c (s390_decompose_address): Allow SImode for
8556 index and base register.
8557 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
8558 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
8559 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
8560 REGNO_OK_FOR_INDEX_P.
8561 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
8563 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
8564 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
8565 REG_OK_FOR_BASE_P): Definitions removed.
8567 2006-03-24 Jakub Jelinek <jakub@redhat.com>
8570 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
8571 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
8572 set yet or weren't marked as local yet.
8574 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
8576 * regrename.c (scan_rtx_address): Initialize a variable to shut up
8579 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
8581 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
8582 (rs6000_legitimate_small_data_p): Delete.
8583 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
8584 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
8585 and make static. Add forward declaration. Update uses.
8586 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
8587 of offsettable_memref_p.
8588 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
8589 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
8591 2006-03-24 Jeff Law <law@redhat.com>
8593 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
8594 around bug in immediate-use iterator.
8596 2006-03-24 Alan Modra <amodra@bigpond.net.au>
8599 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
8600 or __LITTLE_ENDIAN__.
8602 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
8604 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
8605 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
8606 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
8607 * config/sh/sh.opt (mdiv=): Amend description.
8608 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
8609 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
8610 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
8611 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
8612 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
8613 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
8614 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
8615 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
8616 TARGET_DIVIDE_CALL_FP.
8618 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8620 * haifa-sched.c (choose_ready): Fix type of the local variable.
8621 Move local variables. Add comment.
8622 (check_reg_live): Change signature. Make callable from debugger.
8623 * sched-int.h (check_reg_live): Update signature.
8624 * sched-ebb.c (check_reg_live): Update parameters.
8625 * sched-rgn.c (check_reg_live): Ditto.
8626 (region_head_or_leaf_p): Check pointer before dereferencing.
8627 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
8628 before reload on optimization levels below 1.
8630 2006-03-23 Richard Henderson <rth@redhat.com>
8632 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
8636 * config/alpha/predicates.md (local_symbolic_operand): Reject
8639 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
8642 * tree-ssa-pre.c (create_value_expr_from): Don't reject
8643 expressions which have overflowed constants.
8645 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8647 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
8649 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8651 * cfgloopmanip.c (create_loop_notes): Removed.
8652 * final.c (final_scan_insn): Do not handle loop notes.
8653 * jump.c (squeeze_notes): Ditto.
8654 * cfglayout.c (skip_insns_after_block,
8655 duplicate_insn_chain): Ditto.
8656 * cfgcleanup.c (rest_of_handle_jump2): Do not call
8658 * cfgloop.h (create_loop_notes): Declaration removed.
8660 2006-03-23 Richard Sandiford <richard@codesourcery.com>
8662 * varasm.c (output_constant_pool): Restore fnname and fndecl
8664 (assemble_start_function): Adjust call accordingly.
8665 (assemble_end_function): Likewise.
8667 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8670 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
8673 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
8675 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8678 * system.h (ICE_EXIT_CODE): New macro.
8679 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
8680 (diagnostic_action_after_output): Likewise.
8681 * gcc.c (fatal_ice): New function.
8682 (execute): Use it instead of fatal.
8683 (fancy_abort): Likewise.
8684 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
8686 2006-03-22 Jeff Law <law@redhat.com>
8688 * loop-unroll.c (analyze_iv_to_split_insn): Handle
8689 iv_analyze_result returning false.
8691 2006-03-22 Jie Zhang <jie.zhang@analog.com>
8693 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
8695 2006-03-22 Richard Henderson <rth@redhat.com>
8698 * except.c (duplicate_eh_regions_0): New.
8699 (duplicate_eh_region_1): Duplicate the children of the node as
8700 well as the node itself. Link them up properly.
8701 (duplicate_eh_region_2): Merge into ...
8702 (duplicate_eh_regions): ... here. Take copy_region argument, and
8703 copy only a sub-tree if asked. Simplify copying and fixup.
8704 (eh_region_outer_p): New.
8705 * except.h (duplicate_eh_regions): Update decl.
8706 (eh_region_outer_p): Declare.
8707 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
8708 (lower_omp_master): Likewise.
8709 (lower_omp_ordered): Likewise.
8710 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
8711 (move_stmt_r): Use it to remap labels. Handle recursion vs
8712 remap_decls_p properly.
8713 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
8714 (find_outermost_region_in_block): New.
8715 (new_label_mapper): New.
8716 (move_sese_region_to_fn): Copy eh information to the new function
8718 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
8720 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
8723 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8725 * doc/md.texi (-mshared): Mention that -mshared code can be linked
8726 into shared libraries.
8728 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8730 * doc/md.texi: Refer to i386/constraints.md instead of
8732 * config/i386/constraints.md: New file, extracted from...
8733 * config/i386/predicates.md: ...here.
8734 * config/i386/i386.md: Include constraints.md.
8736 2006-03-21 Jason Merrill <jason@redhat.com>
8738 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
8741 * expr.c (init_block_move_fn): Force default visibility.
8742 (init_block_clear_fn): Likewise.
8743 * builtins.c (expand_builtin_fork_or_exec): Likewise.
8744 * targhooks.c (default_external_stack_protect_fail): Likewise.
8746 2006-03-21 Richard Sandiford <richard@codesourcery.com>
8748 * config/mips/predicates.md (const_call_insn_operand): Allow direct
8749 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
8750 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
8751 Use TARGET_OLDABI instead of !TARGET_NEWABI.
8752 (loadgp): Use mips_current_loadgp_style.
8753 (loadgp_noshared): New pattern.
8754 (sibcall_internal): Use MIPS_CALL.
8755 (sibcall_value_internal): Likewise.
8756 (sibcall_value_multiple_internal): Likewise.
8757 (call_internal): Likewise.
8758 (call_value_internal): Likewise.
8759 (call_value_multiple_internal): Likewise.
8760 (call_split): Use MIPS_CALL and add an 'S' constraint.
8761 (call_value_split): Likewise.
8762 (call_value_multiple_split): Likewise.
8763 * config/mips/mips.opt (-mabicalls): Tweak docstring.
8764 (-mshared): New option.
8765 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
8766 (mips_current_loadgp_style): Declare.
8767 * config/mips/mips.c (mips_classify_symbol): Avoid using
8768 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
8769 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
8770 TARGET_ABSOLUTE_ABICALLS.
8771 (override_options): Adjust comments. Improve the warning that is
8772 issued when -mabicalls and -G are used together.
8773 (mips_file_start): Remove comment.
8774 (mips_current_loadgp_style): New function.
8775 (mips_gnu_local_gp): New variable.
8776 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
8778 (mips_output_function_prologue): Use mips_current_laodgp_style.
8779 (mips_expand_prologue): Call mips_emit_loadgp before emitting
8780 the cprestore instruction.
8781 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
8782 live for TARGET_ABSOLUTE_ABICALLS.
8783 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
8784 (ASM_SPEC): Pass down -mshared and -mno-shared.
8785 (MIPS_CALL): New macro.
8786 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
8788 * doc/invoke.texi (-mabicalls): Update documentation.
8789 (-mshared): Document.
8791 2006-03-21 Steve Ellcey <sje@cup.hp.com>
8793 * config/ia64/unwind-hpux.c: New file.
8794 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
8796 2006-03-21 Steve Ellcey <sje@cup.hp.com>
8799 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
8801 2006-03-21 Jeff Law <law@redhat.com>
8803 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
8804 type conversions of a VR_VARYING source to a wider type.
8806 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
8808 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
8809 tm_file on Solaris 10 and later.
8810 (sparc64-*-solaris2*): Likewise.
8811 (sparc-*-solaris2*): Likewise.
8812 * config/sol26.h: Rename to config/sol2-6.h.
8813 * config/sol2-10.h: New file.
8815 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
8818 * tree-ssa-pre.c (create_component_ref_by_pieces):
8821 2006-03-21 Jakub Jelinek <jakub@redhat.com>
8824 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
8825 return it immediately.
8827 2006-03-21 Michael Matz <matz@suse.de>
8829 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
8831 (remove_arc, add_arc): Update num_out_arcs member.
8832 (set_out_arc_insns_equiv_num): Returns nothing instead of number
8834 (cache_presence): New function.
8835 (compare_states_for_equiv): New function.
8836 (state_is_differed): Don't take number of outargs, adjust callers.
8837 Use new invariant for speeding up.
8838 (init_equiv_class): Create initial classes based on sorted
8840 (partition_equiv_class): Don't track out_arcs_num.
8841 (evaluate_equiv_classes): Call cache_presence on all states and
8844 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
8846 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
8847 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
8848 (bfin_valid_reg_p): Test for pseudos explicitly and use only
8849 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
8851 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
8852 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
8853 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
8854 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
8855 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
8857 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
8858 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
8859 (REGNO_REG_CLASS): ARGP is in PREGS.
8860 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
8862 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
8863 to deal with those addresses.
8864 * addresses.h: New file.
8865 * caller-save.c: Include "addresses.h".
8866 (init_caller_save): Use new base_reg_class function.
8867 * rtl-factoring.c: Include "addresses.h".
8868 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
8869 * recog.c: Include "addresses.h".
8870 (preprocess_constraints): Use new base_reg_class function.
8871 * regrename.c: Include "addresses.h".
8872 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
8873 functions. Keep track of a new var INDEX_CODE to compute valid
8875 (replace_oldest_value_addr): Likewise.
8876 (replace_oldest_value_mem): Use base_reg_class.
8877 * reload.c: Include "addresses.h".
8878 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
8879 (find_reloads): Use new base_reg_class function.
8880 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
8881 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
8882 all callers and prototype changed.
8883 * reload1.c: Include "addresses.h".
8884 (maybe_fix_stack_asms): Use base_reg_class.
8885 * regclass.c: Include "addresses.h".
8886 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
8887 (init_reg_autoinc): Use new base_reg_class function.
8888 (record_reg_classes): Likewise.
8889 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
8890 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
8891 Use new args to compute necessary class.
8893 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
8894 regrename.o, rtl-factoring.o): Update dependencies.
8895 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
8896 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
8897 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
8898 REG_OK_FOR_INDEX_P): Delete documentation.
8900 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
8902 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
8903 from V7 to V9 for Solaris 7 and above.
8905 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
8907 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
8908 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
8909 argument pointers may not alias any other storage.
8910 * common.opt: Define option -fargument-noalias-anything.
8911 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
8912 alias semantics is specified by flag_argument_noalias > 2.
8914 2006-03-20 Jeff Law <law@redhat.com>
8916 * tree-pass.h (pass_phi_only_copy_prop): Delete.
8917 (pass_phi_only_cprop): Declare.
8918 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
8920 * tree-ssa-dom.c (degenerate_phi_result): New function.
8921 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
8922 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
8923 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
8924 (eliminate_degenerate_phis): Likewise.
8925 (pass_phi_only_cprop): New pass descriptor.
8926 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
8927 support code. Callers updated.
8928 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
8929 (store_copy_prop): Likewise.
8930 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
8932 2006-03-20 Jason Merrill <jason@redhat.com>
8935 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
8936 (push_visibility, pop_visibility): Likewise.
8937 * c-pragma.h: Declare them.
8939 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
8941 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
8943 * config/sh/sh.c (find_regmode_weight): Change the type of the first
8944 parameter and use get_ebb_head_tail.
8945 (sh_md_init_global): Adjust uses of find_regmode_weight.
8947 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
8949 * function.h (struct function) <x_tail_recursion_reentry>:
8950 Rename to x_stack_check_probe_note.
8951 (tail_recursion_reentry): Rename to stack_check_probe_note.
8952 * function.c: Replace tail_recursion_reentry with
8953 stack_check_probe_note everywhere.
8954 (expand_function_start): Only emit a note for
8955 stack_check_probe_note with -fstack-protect.
8956 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
8958 * emit-rtl.c (remove_unnecessary_notes): Remove.
8959 (pass_remove_unnecessary_notes): Remove.
8960 * rtl.h (remove_unnecessary_notes): Remove prototype.
8961 * final.c (final_start_function): Don't call remove_unnecessary_notes.
8962 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
8963 * passes.c (pass_remove_unnecessary_notes): Don't run it.
8965 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
8968 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
8969 (valid_in_set): Handle ARRAY_REF.
8970 Change "if min_variant or VH" to asserts.
8971 (create_component_ref_by_pieces): Handle ARRAY_REF.
8972 (create_expression_by_pieces): Likewise.
8973 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
8975 2006-03-20 David Edelsohn <edelsohn@gnu.org>
8977 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
8978 is operand of switch, not str[0].
8980 2006-03-20 Alan Modra <amodra@bigpond.net.au>
8982 * config/rs6000/rs6000.c (rs6000_handle_option): Use
8983 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
8985 2006-03-19 David Edelsohn <edelsohn@gnu.org>
8987 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
8988 end of insn_extra_address_constraint declaration.
8990 2006-03-19 David Edelsohn <edelsohn@gnu.org>
8992 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
8993 (no-sum-in-toc): Same.
8994 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
8996 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
8997 NO_FP_IN_TOC for -fPIC instead of mask.
8999 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
9000 (BOOT_LDFLAGS): Delete.
9002 * config/rs6000/t-aix52: Same.
9004 * config/rs6000/rs6000.md (store_multiple_power): Delete.
9005 (stmsi[345678]_power): New.
9007 2006-03-17 Steve Ellcey <sje@cup.hp.com>
9009 * config/ia64/ia64.opt: Add empty line to end of file.
9011 2006-03-17 Richard Guenther <rguenther@suse.de>
9014 * builtins.c (get_pointer_alignment): For component style references
9015 adjust alignment to the component type alignment. Make sure
9016 to adjust alignment for component access of constants.
9018 2006-03-17 David Edelsohn <edelsohn@gnu.org>
9020 * config/rs6000/rs6000.md (strlensi): Emit barrier after
9023 2006-03-17 Paul Brook <paul@codesourcery.com>
9025 * doc/install.texi: Docuemnt --with-mode.
9026 * config.gcc: Add --with-mode for arm*-*-*.
9027 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
9029 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
9031 * sh.c (max_labelno_before_reorg): New variable.
9032 (sh_reorg): Initialize it.
9033 (find_barrier): Check max_labelno_before_reorg before using
9034 label_to_alignment. Take length of explicit alignment insns
9035 into account. When seeing a UNSPECV_CONST_END, return it.
9037 * sh.c (fixup_mova): Set mode of affected label to QImode.
9038 (untangle_mova): New function.
9039 (find_barrier): Use it. Check mode of label before decrementing
9041 (sh_reorg): Likewise.
9042 Set mode of all insns back to VOIDmode.
9044 * sh.c (MOVA_LABELREF): New macro.
9045 (mova_p, fixup_mova, sh_reorg): Use it.
9046 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
9047 ADDR_DIFF_VEC matches mova.
9049 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
9051 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
9052 with ATTRIBUTE_UNUSED.
9054 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
9056 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
9057 pointer, instead of assuming it is possible to derive the
9058 correct args size from a call insn.
9060 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9062 * rtl.h (CONST_INT_P): Define.
9063 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
9064 instead of GET_CODE(x) == CONST_INT.
9065 (vax_rtx_costs): Likewise.
9066 (vax_output_int_move): Likewise.
9067 (vax_output_int_add): Likewise.
9068 (legitimate_constant_address_p): Likewise.
9069 (index_term_p): Likewise.
9070 * config/vax/vax.h (PRINT_OPERAND): Likewise.
9071 * config/vax/vax.md (and<mode>3): Likewise.
9072 (ashrsi3): Likewise.
9074 (movstricthi): Likewise.
9075 (movstrictqi): Likewise.
9076 (rotrsi3): Likewise.
9077 (five unnamed insns): Likewise.
9079 2006-03-16 Geoffrey Keating <geoffk@apple.com>
9081 * doc/tm.texi (SDB and DWARF): Add extra parameter to
9082 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
9083 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
9084 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
9085 Pass to ASM_OUTPUT_DWARF_OFFSET.
9086 * dwarf2out.c (debug_frame_section): New.
9087 (output_call_frame_info): Use debug_frame_section. Pass it to
9088 dw2_asm_output_offset.
9089 (output_die): Pass appropriate section to dw2_asm_output_offset.
9090 (output_compilation_unit_header): Likewise.
9091 (output_pubnames): Likewise.
9092 (output_aranges): Likewise.
9093 (enum dw_val_class): Break dw_val_class_lbl_offset into
9094 dw_val_class_lineptr and dw_val_class_macptr.
9095 (add_AT_lbl_offset): Delete.
9096 (add_AT_lineptr): New.
9097 (add_AT_macptr): New.
9098 (AT_lbl): Expect a lineptr or macptr.
9099 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
9100 (attr_checksum): Likewise.
9101 (same_dw_val_p): Likewise.
9102 (size_of_die): Likewise.
9103 (value_format): Likewise.
9104 (output_die): Likewise.
9105 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
9107 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9108 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
9109 * config/darwin-protos.h (darwin_file_start): New.
9110 (darwin_asm_output_dwarf_offset): New.
9111 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9112 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
9114 * config/darwin.c (darwin_emit_unwind_label): Don't output label
9115 if not EH section; simplify.
9116 (darwin_file_start): New.
9117 (darwin_asm_output_dwarf_offset): New.
9118 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
9120 (DEBUG_INFO_SECTION): Likewise.
9121 (DEBUG_ABBREV_SECTION): Likewise.
9122 (DEBUG_ARANGES_SECTION): Likewise.
9123 (DEBUG_MACINFO_SECTION): Likewise.
9124 (DEBUG_LINE_SECTION): Likewise.
9125 (DEBUG_LOC_SECTION): Likewise.
9126 (DEBUG_PUBNAMES_SECTION): Likewise.
9127 (DEBUG_STR_SECTION): Likewise.
9128 (DEBUG_RANGES_SECTION): Likewise.
9129 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
9130 (ASM_OUTPUT_DWARF_OFFSET): New.
9132 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
9134 * config.gcc (tm_defines): Always add to previous value rather
9137 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9139 * config/mips/predicates.md (splittable_const_int_operand): New,
9140 split from move_operand.
9141 (splittable_symbolic_operand): New.
9142 (move_operand): Add commentary. Use splittable_const_int_operand.
9143 Inline mips_atomic_symbolic_constant_p.
9144 * config/mips/mips.md: Add combine splitters for handling moves
9145 of splittable_const_int_operands and splittable_symbolic_operands.
9146 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
9147 (mips_split_symbol): Declare.
9148 (mips_move_integer): Declare.
9149 * config/mips/mips.c (mips_split_p): Make global.
9150 (TARGET_MIN_ANCHOR_OFFSET): Override default.
9151 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9152 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9153 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
9154 (mips_offset_within_object_p): Handle block symbols.
9155 (mips_atomic_symbolic_constant_p): Delete.
9156 (mips_cannot_force_const_mem): Return false for constants that
9157 mips_legitimize_move can handle.
9158 (mips_use_blocks_for_constant_p): New function.
9159 (mips_split_symbol): Make global.
9160 (mips_move_integer): Likewise. Add a temporary register argument.
9161 (mips_legitimize_const_move): Use splittable_const_int_operand and
9162 splittable_symbolic_operand.
9163 (mips_use_anchors_for_symbol_p): New function.
9164 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
9165 (mips_split_p): Declare.
9167 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9169 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
9170 (mips*-*-linux*): Likewise.
9172 2006-03-16 Roger Sayle <roger@eyesopen.com>
9173 Daniel Speyer <dspeyer@wam.umd.edu>
9176 * tree-dump.c (dump_real): New function.
9177 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
9178 * Makefile.in (REAL_H): New macro for dependencies on real.h.
9179 (tree-dump.o): Add $(REAL_H) to the dependencies.
9181 2006-03-16 Roger Sayle <roger@eyesopen.com>
9184 * real.c (real_from_string): If the mantissa is zero, don't bother
9185 parsing the exponent as the result should always be zero.
9187 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
9189 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
9191 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9193 * config/ia64/ia64.c (stops_p): Added explicit initialization.
9194 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
9195 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
9196 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
9197 ia64_sched_finish_global): New static functions to implement
9198 hooks from gcc_target.sched.
9199 (spec_check_no, max_uid, pending_data_specs): New static variables.
9200 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
9201 ia64_spec_check_src_p): New static functions.
9202 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
9203 (TARGET_SCHED_ADJUST_COST): Removed.
9204 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
9205 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
9206 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9207 TARGET_SCHED_GEN_CHECK,
9208 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9209 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
9210 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
9211 Fixed to handle speculation checks.
9212 (rtx_needs_barrier): Fixed to handle speculative loads and
9214 (ia64_variable_issue): Added code to count speculative loads and their
9216 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
9218 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
9220 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
9222 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
9223 (ia64_reorg): Reset stops_p to NULL after it is freed.
9224 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
9225 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
9226 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
9228 (data_speculative, control_speculative, check_load): New attributes.
9229 (mov<mode>_advanced, mov<mode>_speculative,
9230 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
9231 zero_extend<mode>di2_speculative,
9232 zero_extend<mode>di2_speculative_advanced): New patterns for
9233 data and control speculative loads.
9234 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
9236 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
9237 New pattern for data and control speculation checks.
9238 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
9239 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
9240 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
9241 Auxiliary definitions for the patterns.
9242 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
9243 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
9245 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
9247 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
9248 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
9249 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
9250 New resource constraints.
9251 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
9253 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
9254 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
9255 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9256 msched-in-control-spec, msched-ldc, msched-control-ldc,
9257 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9258 msched-prefer-non-control-spec-insns,
9259 msched-count-spec-in-critical-path): New flags to tune speculative
9261 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
9262 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9263 msched-in-control-spec, msched-ldc, msched-control-ldc,
9264 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9265 msched-prefer-non-control-spec-insns,
9266 msched-count-spec-in-critical-path): Document new flags.
9268 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9270 * target.h (struct spec_info_def): New opaque declaration.
9271 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
9272 speculate_insn, needs_block_p, gen_check,
9273 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
9274 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
9275 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
9276 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
9277 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9278 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
9280 (TARGET_SCHED): Use new macros.
9281 * rtl.h (copy_DEPS_LIST_list): New prototype.
9282 * sched-int.h (struct sched_info): Change signature of new_ready field,
9283 adjust all initializations. New fields: add_remove_insn,
9284 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
9285 region_head_or_leaf_p.
9286 (struct spec_info_def): New structure declaration.
9287 (spec_info_t): New typedef.
9288 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
9289 recovery_block, orig_pat.
9290 (glat_start, glat_end): New variables declaraions.
9291 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
9293 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
9294 DETACH_LIFE_INFO, USE_GLAT.
9295 (enum SPEC_SCHED_FLAGS): New enumeration.
9296 (NOTE_NOTE_BB_P): New macro.
9297 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
9298 attach_life_info, debug_spec_status, check_reg_live): New functions.
9299 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
9300 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
9302 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
9303 * ddg.c (get_block_head_tail): Adjust all uses.
9304 * modulo-sched.c (get_block_head_tail): Adjust all uses.
9305 (sms_sched_info): Initialize new fields.
9306 (contributes_to_priority): Removed.
9307 * haifa-sched.c (params.h): New include.
9308 (get_block_head_tail): Adjust all uses.
9309 (ISSUE_POINTS): New macro.
9310 (glat_start, glat_end): New global variables.
9311 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
9312 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
9313 old_last_basic_block, before_recovery, current_sched_info_var,
9314 rgn_n_insns, luid): New static variables.
9315 (insn_cost1): New function. Move logic from insn_cost to here.
9316 (find_insn_reg_weight1): New function. Move logic from
9317 find_insn_reg_weight to here.
9318 (reemit_notes, move_insn, max_issue): Change signature.
9319 (move_insn1): Removed.
9320 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
9321 extend_bb): New static functions to support extension of scheduler's
9323 (generate_recovery_code, process_insn_depend_be_in_spec,
9324 begin_speculative_block, add_to_speculative_block,
9325 init_before_recovery, create_recovery_block, create_check_block_twin,
9326 fix_recovery_deps): New static functions to support
9327 generation of recovery code.
9328 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
9329 restore_bb_notes, move_block_after_check, move_succs): New static
9330 functions to support ebb scheduling.
9331 (init_glat, init_glat1, attach_life_info1, free_glat): New static
9332 functions to support handling of register live information.
9333 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
9334 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
9335 add_jump_dependencies): New static functions.
9336 (check_cfg, has_edge_p, check_sched_flags): New static functions for
9337 consistancy checking.
9338 (debug_spec_status): New function to call from debugger.
9339 (priority): Added code to handle speculation checks.
9340 (rank_for_schedule): Added code to distinguish speculative instructions.
9341 (schedule_insn): Added code to handle speculation checks.
9342 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
9343 Fixed to handle ebbs.
9344 (move_insn): Added code to handle ebb scheduling.
9345 (max_issue): Added code to use ISSUE_POINTS of instructions.
9346 (choose_ready): Added code to choose between speculative and
9347 non-speculative instructions.
9348 (schedule_block): Added code to handle ebb scheduling and scheduling of
9349 speculative instructions.
9350 (sched_init): Initialize new variables.
9351 (sched_finish): Free new variables. Print statistics.
9352 (try_ready): Added code to handle speculative instructions.
9353 * lists.c (copy_DEPS_LIST_list): New function.
9354 * sched-deps.c (extend_dependency_caches): New function. Move logic
9355 from create_dependency_caches to here.
9356 (get_dep_weak, ds_merge): Make global.
9357 * genattr.c (main): Code to output prototype for
9358 dfa_clear_single_insn_cache.
9359 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
9360 (output_dfa_clean_insn_cache_func): Code to output
9361 dfa_clear_single_insn_cache function.
9362 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
9364 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
9366 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
9367 New static variables.
9368 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
9369 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
9371 (ebb_sched_info): Initialize new fields.
9372 (get_block_head_tail): Adjust all uses.
9373 (compute_jump_reg_dependencies): Fixed to use glat_start.
9374 (schedule_ebb): Code to remove unreachable last block.
9375 (schedule_ebbs): Added code to update register live information.
9376 * sched-rgn.c (region_sched_info): Initialize new fields.
9377 (get_block_head_tail): Adjust all uses.
9378 (last_was_jump): Removed. Adjust users.
9379 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
9380 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
9381 Implement new hooks.
9382 (check_dead_notes1): New static function.
9383 (struct region): New fields: dont_calc_deps, has_real_ebb.
9384 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
9385 (BB_TO_BLOCK): Fixed to handle EBBs.
9386 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
9387 (ebb_head): New static variable.
9388 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
9389 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
9391 (compute_dom_prob_ps): New assertion.
9392 (check_live_1, update_live_1): Fixed to work with glat_start instead of
9393 global_live_at_start.
9394 (init_ready_list): New assertions.
9395 (can_schedule_ready_p): Split update code to begin_schedule_ready.
9396 (new_ready): Add support for BEGIN_CONTROL speculation.
9397 (schedule_insns): Fixed code that updates register live information
9399 (schedule_region): Fixed to handle EBBs.
9400 (init_regions): Use extend_regions and check_dead_notes1.
9401 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
9402 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
9403 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
9404 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9405 TARGET_SCHED_GEN_CHECK,
9406 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9407 TARGET_SCHED_SET_SCHED_FLAGS): Document.
9408 * doc/invoke.texi (max-sched-insn-conflict-delay,
9409 sched-spec-prob-cutoff): Document.
9411 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9413 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
9414 inter_tick, queue_index.
9415 (struct sched_info): Change signature of init_ready_list field.
9416 Adjust all initializations.
9417 (RESOLVED_DEPS): New access macro.
9418 (ready_add): Remove prototype.
9419 (try_ready): Add prototype.
9420 * sched-rgn.c (init_ready_list): Use try_ready.
9421 (schedule_region): Initialize
9422 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
9423 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
9424 (init_ready_list): Use try_ready.
9425 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
9426 * lists.c (remove_list_elem): Remove `static'.
9427 (remove_free_INSN_LIST_elem): New function.
9428 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
9429 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
9430 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
9432 (readyp): New variable.
9433 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
9434 change_queue_index, resolve_dep): New static functions.
9435 (try_ready): New function. Adjust callers in sched-rgn.c and
9436 sched-ebb.c to use it instead of ready_add.
9437 (clock_var): Move at the begining of file.
9438 (rank_for_schedule): Fix typo.
9439 (queue_insn): Add assertion. Handle QUEUE_INDEX.
9440 (ready_lastpos): Enforce assertion.
9441 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
9443 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
9444 (schedule_insn): Rewrite to use try_ready and resolve_dep.
9445 (queue_to_ready): Use free_INSN_LIST_list.
9446 (early_queue_to_ready): Fix typo.
9447 (schedule_block): Init readyp. Move init_ready_list call after the
9448 initialization of clock_var. Fix error in rejecting insn by
9449 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
9450 that previously corrected INSN_TICKs. Add code for handling
9452 (set_priorities): Fix typo.
9453 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
9454 Clarify comment and code that keeps current_sched_info->next_tail
9457 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9459 * sched-rgn.c (extend_rgns): New static function.
9460 (find_rgns): Use it.
9461 (gather_region_statistics, print_region_statistics): New static
9463 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
9464 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
9466 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9467 Andrey Belevantsev <abel@ispras.ru>
9469 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
9470 * lists.c (unused_deps_list): New variable.
9471 (free_list): Add assertions to verify the proper distinguishing
9472 between INSN_LISTs and DEPS_LISTs.
9473 (find_list_elem, remove_list_elem, remove_list_node): New static
9475 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
9476 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
9477 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
9478 (alloc_INSN_LIST): Assert that the list we're working on is indeed
9480 (free_INSN_LIST_node): Likewise.
9481 * modulo-sched.c (current_sched_info): Initialize flags field.
9482 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
9483 * rtl.def (DEPS_LIST): Define.
9484 * rtl.h: Declare new functions from lists.c.
9485 * sched-deps.c (spec_dependency_cache): New static variable.
9486 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
9487 (add_dependence): Change return type to void. Move the logic to ...
9488 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
9489 (delete_all_dependences): Add comment about forward_dependency_cache.
9490 Handle spec_dependency_cache. Handle DEPS_LISTs.
9491 (fixup_sched_groups): Clarify the change of priority of output
9492 and anti dependencies.
9493 (sched_analyze_2): Adjust add_dependence calls to create data
9494 speculative dependence.
9495 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
9496 Adjust all callers. Handle DEPS_LISTS.
9497 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
9498 presence of speculation.
9499 (init_dependency_caches, free_dependency_caches):
9500 Handle spec_dependency_cache.
9501 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
9502 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
9503 New static functions.
9504 (add_or_update_back_dep, add_or_update_back_forw_dep,
9505 add_back_forw_dep, delete_back_forw_dep): New functions.
9506 * sched-int.h (ds_t, dw_t): New typedefs.
9507 (struct sched_info): Add new field flags.
9508 (struct haifa_insn_data): Add new bitfield has_internal_dep.
9509 Prototype new sched-deps.c functions.
9510 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
9511 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
9512 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
9513 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
9514 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
9515 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
9517 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
9519 * sched-rgn.c (current_sched_info): Initialize flags field.
9520 (schedule_insns): Initialize current_sched_info before the sched_init
9522 * sched-ebb.c (current_sched_info): Initialize flags field.
9523 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
9524 Call add_or_update_back_dep instead of add_dependence.
9525 Create control speculative dependencies.
9526 (schedule_insns): Initialize current_sched_info before the sched_init
9529 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
9531 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
9533 (sh_fallback_frame_state): Likewise.
9535 2006-03-15 Geoffrey Keating <geoffk@apple.com>
9537 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
9538 Do switch on default_use_cxa_atexit.
9539 (powerpc*-*-darwin*): Build crt2.o on powerpc.
9540 * config/darwin-crt3.o: New.
9541 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
9542 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
9543 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
9545 * config/rs6000/t-darwin: Move crt2.o building to here.
9546 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
9547 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
9550 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9552 * config/vax/vax.c (nonindexed_address_p): Change logical negation
9553 from '! xxx' to '!xxx' for coding-style conformance.
9554 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
9555 (EXTRA_CONSTRAINT): Likewise.
9556 * config/vax/vax.md (four unnamed insns): Likewise.
9558 2006-03-15 Paul Brook <paul@codesourcery.com>
9560 * config/arm/arm.c (minipool_pad): New.
9561 (add_minipool_forward_ref): Include pool alignment padding in address
9563 (push_minipool_fix): Set minipool_pad.
9564 (minipool_pad): Ditto.
9566 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9568 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
9569 instead of GET_CODE() == MEM and REG_P() instead of
9571 (print_operand_address): Likewise.
9572 (vax_address_cost): Likewise.
9573 (vax_rtx_costs): Likewise.
9574 (vax_notice_update_cc): Likewise.
9575 (vax_output_int_add): Likewise.
9576 (INDEX_REGISTER_P): Likewise.
9577 (BASE_REGISTER_P): Likewise.
9578 (nonindexed_address_p): Likewise.
9579 (vax_mode_dependent_address_p): Likewise.
9580 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
9581 (PRINT_OPERAND): Likewise.
9582 * config/vax/vax.md (ashlsi3): Likewise.
9583 (ashlsi3): Likewise.
9584 (some more unnamed insns): Likewise.
9586 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
9588 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
9589 iterator-style macro.
9590 (mark_control_dependent_edges_necessary): Update the use of
9591 EXECUTE_IF_CONTROL_DEPENDENT.
9593 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
9595 * config/sh/predicates.md (cache_address_operand): Special.
9596 (ua_address_operand): Likewise.
9598 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
9600 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
9602 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
9604 2006-03-15 Andreas Schwab <schwab@suse.de>
9606 * gensupport.c (identify_predicable_attribute): Don't free p_false
9607 when it is still in use.
9609 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
9611 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
9612 the default setting here.
9614 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
9616 * tree-pass.h (pass_cfg): Remove.
9617 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
9618 * passes.c (pass_cfg): Don't run it.
9620 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
9622 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
9623 * reg-stack.c (stack_regs_mentioned_data): Change the type to
9625 (stack_regs_mentioned): Update the uses of
9626 stack_regs_mentioned_data. Don't access the array beyond its
9628 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
9629 Don't include gt-reg-stack.h.
9631 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
9632 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
9634 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
9637 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
9640 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9642 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
9644 2006-03-14 Richard Guenther <rguenther@suse.de>
9646 PR tree-optimization/26672
9647 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
9650 2006-03-14 Richard Guenther <rguenther@suse.de>
9652 PR tree-optimization/26667
9653 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
9654 node for the callees. Always allow inlining if it will shrink
9657 2006-03-14 Richard Guenther <rguenther@suse.de>
9660 * builtins.c (get_pointer_alignment): Prefer alignment
9661 information from decls over that from types.
9663 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
9666 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
9668 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
9670 * config/rs6000/rs6000.opt (mdlmzb): New option.
9671 (msched-prolog, msched-epilog): Use Var not Mask.
9672 * doc/invoke.texi (-mdlmzb): Document.
9673 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
9675 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
9676 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
9678 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
9680 PR rtl-optimization/25739
9681 * bt-load.c (augment_live_range): Free tos pointer.
9683 * gensupport.c (identify_predicable_attribute): Free
9685 * gcov.c (create_file_names): Free name pointer.
9687 2006-03-13 Roger Sayle <roger@eyesopen.com>
9690 * stmt.c (emit_case_nodes): Handle the case where the index is a
9691 CONST_INT, where the comparison mode is specified by the index type.
9693 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9695 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
9698 2006-03-13 Richard Sandiford <richard@codesourcery.com>
9700 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
9701 (*branch_fp_inverted): Likewise.
9703 2006-03-13 Jakub Jelinek <jakub@redhat.com>
9706 * omp-low.c (expand_omp_for_generic): Mark istart0
9707 and iend0 as addressable.
9709 2006-03-13 Jie Zhang <jie.zhang@analog.com>
9711 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
9713 2006-03-13 Jeff Law <law@redhat.com>
9715 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
9716 virtual operands are interesting.
9717 (vrp_visit_stmt): Corresponding changes.
9719 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
9721 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
9723 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
9724 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
9725 * config/bfin/crti.S: Use it instead of __PIC__.
9726 * config/bfin/crtn.S: Likewise.
9728 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
9729 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
9731 Lose 'G' modifier for call operand.
9732 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
9733 recognize 'G' modifier.
9735 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
9738 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
9739 * stmt.c (expand_case): Likewise.
9741 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9743 PR rtl-optimization/26254
9744 * loop-invariant.c (seq_insns_valid_p): New function.
9745 (move_invariant_reg): Only emit new code if it is valid.
9747 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9749 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
9751 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
9752 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
9753 (commit_one_edge_insertion): Do not look for loop notes.
9755 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9757 * jump.c (follow_jumps): Do not check for loop notes. Move check for
9758 flag_test_coverage out of loop.
9760 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9762 * final.c (shorten_branches): Remove outdated comment, and turn
9763 the if branch that guards it to continue.
9765 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9767 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
9768 * cfgloop.h (struct loop): Remove unused fields.
9770 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
9772 * doc/invoke.texi (-fdump-rtl-loop): Remove.
9773 (-dL, -fdump-rtl-loop2): Update the dump file names
9775 * doc/invoke.texi: Update dump file names.
9777 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
9779 * predict.c (estimate_probability): Remove.
9780 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
9781 * basic-block.h (estimate_probability): Remove prototype.
9782 * passes.c (finish_optimization_passes): Dump branch prediction or
9783 profiling heuristics to the .profile tree dump.
9784 (init_optimization_passes): Unqueue pass_branch_prob.
9786 * doc/invoke.texi (-fdump-rtl-bp): Remove.
9788 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
9790 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
9791 * rtl.h (LABEL_NEXTREF): Remove field accessor.
9793 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
9795 * function.h (frame_offset_overflow): Declare.
9796 * function.c (frame_offset_overflow): New function.
9797 (assign_stack_local_1): Call it to detect that the offset overflows.
9798 * cfgexpand.c (alloc_stack_frame_space): Likewise.
9800 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
9802 * config/sh/sh.c: Include alloc-pool.h.
9803 (label_ref_list_pool): New alloc pool.
9804 (label_ref_list_t): New type for lists of labels.
9805 (struct pool_node): Make wend a label_ref_list_t.
9806 (add_constant): Use the new type, eradicate LABEL_NEXTREF
9808 (dump_table): Likewise.
9809 (sh_reorg): Set up the alloc pool before using add_constant and
9810 dump_table, and destroy it when finishing.
9812 2006-03-11 Richard Sandiford <richard@codesourcery.com>
9814 * config/mips/mips.c: Remove redundant comment.
9816 2006-03-10 Jason Merrill <jason@redhat.com>
9819 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
9820 the target was declared 'register'.
9822 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
9824 * genpreds.c (write_insn_constraint_len): Change definition of
9825 insn_constraint_len to return size_t to match the declaration.
9827 2006-03-10 DJ Delorie <dj@redhat.com>
9829 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
9831 (m32c_expand_insv): Fix test for an AND mask.
9833 2006-03-10 Richard Guenther <rguenther@suse.de>
9836 * builtins.c (get_pointer_alignment): Handle component
9837 references for field alignment.
9839 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9841 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
9842 when building with libgloss.
9843 (sh*elf): Implement --without-fp option.
9844 (sh64-superh-linux*): Don't multilib.
9846 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9848 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
9850 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
9852 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
9853 Set it when one of the replacement functions returned true.
9854 Return TODO_cleanup_cfg if cfgchanged is true.
9855 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
9857 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
9859 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
9860 instead of gen_lowpart.
9862 2006-03-09 Richard Sandiford <richard@codesourcery.com>
9864 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
9866 (mips_output_order_conditional_branch): Declare.
9867 * config/mips/mips.h (MIPS_BRANCH): New macro.
9868 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
9869 for the comparison. Use gen_condjump.
9870 (mips_output_conditional_branch): Rework interface to take the
9871 asm templates for a direct branch and the inverse of a direct branch.
9872 (mips_output_order_conditional_branch): New function.
9873 (mips_builtin_branch_and_move): New function.
9874 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
9875 branch condition. Use gen_single_cc as the condition for
9876 __builtin_mips_upper_* or __builtin_mips_lower_*.
9877 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
9878 Use VOIDmode for the branch condition.
9879 * config/mips/predicates.md (order_operator): New predicate.
9880 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
9881 (branch_fp): Rename to...
9882 (*branch_fp): ...this. Remove mode from comparison operator.
9883 Use new mips_output_conditional_branch interface.
9884 (branch_fp_inverted): Rename to...
9885 (*branch_fp_inverted): ...this and update as for *branch_fp.
9886 (*branch_zero<mode>): Rename to...
9887 (*branch_order<mode>): ...this. Remove mode from comparison operator.
9888 Use mips_output_order_conditional_branch. Only accept ordered
9890 (*branch_zero<mode>_inverted): Rename to...
9891 (*branch_order<mode>_inverted): ...this and update as for
9892 *branch_order<mode>.
9893 (*branch_equality<mode>): Accept zero as the second operand to
9894 the equality operator. Use the new mips_output_conditional_branch
9896 (*branch_equality<mode>_inverted): Likewise.
9897 (condjump): New expander.
9898 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
9900 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
9901 (bc1any2t, bc1any2f): Likewise.
9902 (single_cc): New expander.
9903 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
9905 2006-03-09 Richard Sandiford <richard@codesourcery.com>
9907 * doc/md.texi: Update documentation of MIPS constraints.
9908 * config/mips/constraints.md: New file.
9909 * config/mips/mips.md: Include it.
9910 * config/mips/mips.c (mips_char_to_class): Delete.
9911 (override_options): Don't initialize mips_char_to_class.
9912 * config/mips/mips.h (mips_char_to_class): Delete.
9913 (REG_CLASS_FROM_LETTER): Delete.
9914 (CONST_OK_FOR_LETTER_P): Delete.
9915 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9916 (EXTRA_CONSTRAINT_Y): Delete.
9917 (EXTRA_CONSTRAINT_STR): Delete.
9918 (CONSTRAINT_LEN): Delete.
9919 (EXTRA_MEMORY_CONSTRAINT): Delete.
9921 2006-03-09 Diego Novillo <dnovillo@redhat.com>
9923 * tree-cfg.c (move_block_to_fn): Remove the statements from the
9924 original fn's eh regions.
9926 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
9928 * fold-const.c (build_range_check): Make sure to use a valid type to
9929 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
9932 (range_predecessor): New static function.
9933 (range_successor): Likewise.
9934 (merge_ranges): Use them to compute predecessors and successors of
9937 2006-03-09 Roger Sayle <roger@eyesopen.com>
9940 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
9941 X op C3, consider whether C3 overflows towards +Inf or -Inf.
9943 2006-03-08 DJ Delorie <dj@redhat.com>
9945 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
9946 (addpsi3): Expand to include memory operands. Remove
9947 reload-specific splits.
9948 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
9949 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
9950 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
9951 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
9952 (shift1_qi, shift1_hi, insv): New.
9953 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
9954 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
9955 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
9957 * config/m32c/m32c-protos.h: Update as needed.
9958 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
9959 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
9960 Fail for unrecognized R* constraints.
9961 (m32c_cannot_change_mode_class): Be more picky about pseudos.
9962 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
9963 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
9965 (m32c_init_libfuncs): New.
9966 (m32c_legitimate_address_p): Add debug wrapper.
9967 (m32c_rtx_costs): New.
9968 (m32c_address_cost): New.
9969 (conversions): Add 'B' prefix.
9970 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
9971 operands, or word regnames for QI operands. 'B' prints bit
9973 (m32c_expand_setmemhi): New.
9974 (m32c_expand_movmemhi): New.
9975 (m32c_expand_movstr): New.
9976 (m32c_expand_cmpstr): New.
9977 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
9978 (m32c_expand_neg_mulpsi3): Handle non-ints.
9979 (m32c_cmp_flg_0): New.
9980 (m32c_expand_movcc): New.
9981 (m32c_expand_insv): New.
9982 (m32c_scc_pattern): New.
9983 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
9984 a0/a1 out of SIregs.
9985 (STORE_FLAG_VALUE): New.
9986 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
9989 * config/m32c/mov.md: Make constraints more liberal.
9990 (zero_extendqihi2): Optimize r0/r1 case.
9991 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
9992 * config/m32c/predicates.md (m32c_any_operand): New.
9993 (m32c_nonimmediate_operand): New.
9994 (m32c_hl_operand): New.
9995 (m32c_r3_operand): New.
9998 (memsym_operand): New.
9999 (memimmed_operand): New.
10000 (a_qi_operand): New.
10001 (m32c_eqne_operator): New.
10002 (m32c_1bit8_operand): New.
10003 (m32c_1bit16_operand): New.
10004 (m32c_1mask8_operand): New.
10005 (m32c_1mask16_operand): New.
10006 * config/m32c/blkmov.md: New file.
10007 * config/m32c/t-m32c (MD_FILES): Add blkmov.
10009 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
10011 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
10012 unsigned to fix signed/unsigned comparison issue in
10013 DWARF2_FRAME_REG_OUT.
10014 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
10015 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
10017 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
10018 of ptr into the ENABLE_CHECKING section.
10020 2006-03-08 Jeff Law <law@redhat.com>
10022 * tree-vrp.c (infer_value_range): Only count pointer uses
10023 and dereferences if -fdelete-null-pointer-checks is enabled.
10025 * tree-vrp.c (find_assert_locations): Infer value ranges for
10026 single use pointers, but do not create ASSERT_EXPRs for them.
10027 When a non-null range is inferred for a pointer, backwards
10028 propagate that range to other equivalent pointers through the
10031 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
10034 * Makefile.in (dvi, html, install-info): Invoke the corresponding
10035 language hook targets.
10036 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
10037 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
10038 if language hook targets were missing.
10040 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
10042 * tree-ssa-opfinalize.h: Removed.
10043 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
10045 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
10046 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
10047 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
10048 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
10049 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
10050 finalize_ssa_v_must_def_ops): New.
10052 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
10054 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
10055 block as parameter.
10057 2006-03-07 Geoffrey Keating <geoffk@apple.com>
10059 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
10061 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
10062 addresses with offsets; reorganize.
10064 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
10065 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
10066 (expand_builtin_init_dwarf_reg_sizes): Likewise.
10068 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
10071 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
10073 2006-03-08 Ben Elliston <bje@au.ibm.com>
10075 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
10077 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
10080 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
10083 2006-03-07 Richard Guenther <rguenther@suse.de>
10085 PR tree-optimization/26587
10086 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
10088 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10090 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
10092 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10094 * hooks.c (hook_bool_mode_rtx_true): New function.
10095 * hooks.h (hook_bool_mode_rtx_true): Declare.
10096 * toplev.c (compile_file): Call output_shared_constant_pool.
10097 * varasm.c (shared_constant_pool): New variable.
10098 (assemble_start_function, assemble_end_function): Remove arguments
10099 from call to output_constant_pool.
10100 (create_constant_pool): New function, split out from...
10101 (init_varasm_status): ...here.
10102 (force_const_mem): Choose between the shared and per-function constant
10103 pools. Set current_function_uses_const_pool when reusing old entries
10104 as well as when creating new ones.
10105 (mark_constant): Ignore data argument.
10106 (mark_constants): Remove pool argument.
10107 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
10108 to decide whether the function uses a constant pool.
10109 (output_constant_pool_contents): New function, split out from...
10110 (output_constant_pool): ...here.
10111 (output_shared_constant_pool): New function.
10112 (init_varasm_once): Initialize shared_constant_pool.
10113 * output.h (output_constant_pool): Delete.
10114 (output_shared_constant_pool): Declare.
10115 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
10116 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
10118 2006-03-06 Nick Clifton <nickc@redhat.com>
10120 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
10121 flag_strength_reduce.
10123 2006-03-06 Ben Elliston <bje@au.ibm.com>
10125 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
10126 x86_64-*-linux* configurations.
10128 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
10129 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
10131 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10133 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
10135 * basic-block.h: Remove the extern for
10136 rediscover_loops_after_threading.
10138 * cfgloop.c (cancel_loop): Make it static.
10139 * cfgloop.h: Remove the prototype for cancel_loop.
10141 * flow.c (recompute_reg_usage): Make it static.
10142 * rtl.h: Remove the prototype for recompute_reg_usage.
10144 * function.c (use_return_register): Make it static.
10145 * function.h: Remove the prototype.
10147 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10149 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
10151 * recog.h: Remove the prototype for
10152 validate_change_maybe_volatile.
10154 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10156 * rtlanal.c (replace_reg): Remove.
10157 * rtl.h: Remove the prototype for replace_reg.
10159 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10161 * regclass.c (reg_scan_update): Remove.
10162 (reg_scan_mark_refs): Remove the last argument.
10163 * rtl.h: Remove the prototype for reg_scan_update.
10165 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10167 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
10168 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
10169 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
10170 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
10171 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
10172 loop-invariant.c, omp-low.c, opts.c, passes.c,
10173 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
10174 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
10175 tree-ssa-structalias.c, tree-ssa-threadedge.c,
10176 tree-ssa-threadupdate.c, tree-vect-patterns.c,
10177 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
10178 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
10180 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10182 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
10183 * dwarf2out.h: Remove the prototype for
10184 dwarf2out_add_library_unit_info.
10186 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10188 * tree.c (add_var_to_bind_expr): Remove.
10189 * tree.h: Remove the prototype for add_var_to_bind_expr.
10191 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10193 * regclass.c (n_non_fixed_regs): Remove.
10194 (init_reg_sets_1, globalize_reg): Remove all uses of
10196 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
10198 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10200 * rtlanal.c (insns_safe_to_move_p): Remove.
10201 * rtl.h: Remove the prototype for insns_safe_to_move_p.
10203 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10205 * expmed.c (expand_mult_add): Remove.
10206 * expr.h: Remove the prototype for expand_mult_add.
10208 2006-03-04 Jakub Jelinek <jakub@redhat.com>
10210 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
10211 and REG_SAVED_VAL_EXP constants.
10212 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
10213 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
10214 Handle regs stored by value.
10215 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
10216 (execute_cfa_program): Handle DW_CFA_val_offset,
10217 DW_CFA_val_offset_sf and DW_CFA_val_expression.
10218 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
10219 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
10220 (uw_install_context_1): Handle target regs stored by value.
10222 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
10224 * tree-sra.c (tree_sra): Return todoflags;
10225 (generate_one_element): Set TODO_update_smt_usage if needed.
10226 (pass_sra): Remove TODO_update_smt_usage.
10227 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
10229 (tree_ssa_forward_propagate_single_use_vars): Return
10230 TODO_update_smt_usage if we need to update SMT usage.
10231 (pass_forwprop): Remove TODO_update_smt_usage.
10233 2006-03-03 Diego Novillo <dnovillo@redhat.com>
10235 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
10236 (correct_use_link): Remove reference to get_stmt_operands.
10237 (update_stmt_operands): Likewise.
10238 (get_modify_expr_operands): New function factored out of
10239 parse_ssa_operands and get_expr_operands.
10240 Try to create V_MUST_DEFs for LHS by default.
10241 (get_expr_operands) <case MODIFY_EXPR>: Call
10242 get_modify_expr_operands.
10243 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
10244 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
10245 (parse_ssa_operands) <case MODIFY_EXPR>: Call
10246 get_modify_expr_operands.
10248 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
10250 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
10251 * tree-flow.h: Remove the prototype for
10252 referenced_var_lookup_if_exists.
10254 2006-03-03 Steve Ellcey <sje@cup.hp.com>
10256 PR rtl-optimization/26345
10258 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
10260 2006-03-03 Roger Sayle <roger@eyesopen.com>
10262 PR tree-optimization/26524
10263 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
10264 fold_convert to create a constant of the appropriate type.
10266 2006-03-03 Richard Sandiford <richard@codesourcery.com>
10268 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10269 SYMBOL_REF_IN_BLOCK_P.
10270 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
10271 of SYMBOL_FLAG_IN_BLOCK.
10272 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
10273 instead of SYMBOL_REF_IN_BLOCK_P.
10274 * explow.c (use_anchored_address): Likewise.
10275 * rtl.c (rtx_size): Likewise.
10276 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
10277 instead of SYMBOL_FLAG_IN_BLOCK.
10278 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10279 SYMBOL_REF_IN_BLOCK_P.
10280 (assemble_variable): Likewise.
10281 (output_constant_def_contents): Likewise.
10282 (output_constant_pool): Likewise.
10283 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
10284 instead of SYMBOL_FLAG_IN_BLOCK.
10285 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10286 SYMBOL_REF_IN_BLOCK_P.
10287 (SYMBOL_REF_BLOCK): Likewise.
10288 (SYMBOL_REF_OFFSET): Likewise.
10289 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10290 SYMBOL_REF_IN_BLOCK_P.
10291 (SYMBOL_FLAG_IN_BLOCK): Replace with...
10292 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
10293 (SYMBOL_REF_IN_BLOCK_P): Replace with...
10294 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
10296 2006-03-03 Jakub Jelinek <jakub@redhat.com>
10298 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
10300 2006-03-02 Roger Sayle <roger@eyesopen.com>
10302 * simplify-rtx.c (simplify_unary_operation): When simplifying
10303 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
10304 that we perform the right shift in the appropriate mode, and
10305 then extend or truncate the result to requested mode.
10307 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
10309 * gengtype.c (main): Handle double_int type.
10310 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
10311 * double-int.c: New file.
10312 * double-int.h: New file.
10313 * system.h: Include doubleint.h.
10314 * Makefile.in (SYSTEM_H): Include double-int.h.
10315 (double-int.o): Add.
10317 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
10320 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
10323 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10325 * tree-vrp.c (remove_range_assertions): Do not update statements
10328 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10330 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
10332 * gcse.c (rest_of_handle_gcse): Ditto.
10333 * except.c (gate_handle_eh): Ditto.
10334 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
10335 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
10337 2006-03-02 Eric Christopher <echristo@apple.com>
10339 * config/i386/i386.c (machopic_output_stub): Add indirection to
10342 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10346 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
10348 Sun Niagara specific optimizations.
10349 * config.gcc: Recognize niagara as target.
10350 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
10351 (TARGET_CPU_niagara): Define.
10352 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
10353 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
10354 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10355 (ASM_CPU_SPEC): Likewise.
10356 (PROCESSOR_NIAGARA): New enum entry.
10357 (REGISTER_MOVE_COST): Handle Niagara.
10358 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
10359 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
10360 (sparc_override_options): Recognize "niagara", set appropriate
10361 default MASK_* values for it, and align functions to 32-bytes
10362 by default just like ULTRASPARC/ULTRASPARC3.
10363 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
10364 (sparc64_initialize_trampoline): Likewise.
10365 (sparc_use_sched_lookahead): Use zero for niagara.
10366 (sparc_issue_rate): Use one for niagara.
10367 * config/sparc/niagara.md: New file.
10368 * config/sparc/sparc.md: Include it.
10369 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
10370 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
10371 when default cpu is niagara.
10372 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10373 (ASM_CPU_SPEC): Likewise.
10374 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
10375 when default cpu is niagara.
10376 (ASM_CPU_SPEC): Handle -mcpu=niagara.
10377 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
10378 just like v9/ultrasparc/ultrasparc3.
10379 * doc/invoke.texi: Add documentation for "niagara" and improve
10380 existing documentation for ultrasparc variants.
10382 2006-03-02 Diego Novillo <dnovillo@redhat.com>
10384 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
10386 2006-03-02 Richard Sandiford <richard@codesourcery.com>
10388 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
10389 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
10390 and say that only one is needed.
10391 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
10392 * target.h (have_switchable_bss_sections): New hook.
10393 * explow.c (use_anchored_address): Check that the symbol is in a block.
10394 * varasm.c (tls_comm_section, comm_section, lcomm_section)
10395 (bss_noswitch_section): New variables.
10396 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
10397 (get_noswitch_section): New function.
10398 (get_block_for_section): Allow SECT to be null.
10399 (unlikely_text_section_p): Use SECTION_STYLE.
10400 (bss_initializer_p): New function.
10401 (get_variable_section): Move earlier in file. Take a new argument,
10402 prefer_noswitch_p. Move bss checks from assemble_variable to here.
10403 Return one of the new *_sections in such cases.
10404 (get_block_for_decl): New function, extracting some logic from
10405 use_blocks_for_decl_p.
10406 (change_symbol_section): Remove in favor of...
10407 (change_symbol_block): ...this new function.
10408 (use_blocks_for_decl_p): Remove checks now performed by
10409 get_block_for_decl.
10410 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
10411 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
10412 (emit_local, emit_bss, emit_common): ...these new functions.
10413 Return true if the alignment was honored.
10414 (emit_tls_common): New function.
10415 (asm_emit_uninitialised): Delete.
10416 (assemble_variable_noswitch): New function, split out from...
10417 (assemble_variable): ...here. Don't make decisions about common
10418 variables here. Globalize all public decls that go into non-common
10419 sections. Check whether SYMBOL_REF_BLOCK is null.
10420 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
10421 (output_constant_pool): Likewise.
10422 (init_varasm_once): Initialize the new section variables.
10423 (have_global_bss_p): New function.
10424 (categorize_decl_for_section): Use bss_initializer_p.
10425 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
10426 (place_block_symbol): Assert that the symbol must be in a block.
10427 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
10428 (TARGET_INITIALIZER): Include it.
10429 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
10430 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
10431 (SECTION_MACH_DEP): Bump by two.
10432 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
10433 (unnamed_section): Mention SECTION_UNNAMED in comment.
10434 (named_section): Likewise SECTION_NAMED.
10435 (noswitch_section_callback): New type.
10436 (noswitch_section): New structure.
10437 (section): Add a noswitch_section alternative.
10438 (SECTION_STYLE): New macro.
10439 (tls_comm_section, comm_section, lcomm_section): Declare.
10440 (bss_noswitch_section, have_global_bss_p): Declare.
10441 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10442 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10444 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10445 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10448 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
10450 * tree-vrp.c (execute_vrp): Return value.
10451 * regrename.c (rest_of_handle_regrename): Ditto.
10452 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
10453 * tree-complex.c (tree_lower_complex): Ditto.
10454 (tree_lower_complex_O0): Ditto.
10455 * tracer.c (rest_of_handle_tracer): Ditto.
10456 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
10457 * postreload.c (rest_of_handle_postreload): Ditto.
10458 * tree-tailcall.c (execute_tail_recursion): Ditto.
10459 (execute_tail_calls): Ditto.
10460 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10461 * tree.h (init_function_for_compilation): Ditto.
10462 * ipa-cp.c (ipcp_driver): Ditto.
10463 * tree-scalar-evolution.c (scev_const_prop): Ditto.
10464 * tree-scalar-evolution.h (scev_const_prop): Ditto.
10465 * final.c (compute_alignments): Ditto.
10466 (rest_of_handle_final): Ditto.
10467 (rest_of_handle_shorten_branches): Ditto.
10468 (rest_of_clean_state): Ditto.
10469 * omp-low.c (execute_expand_omp): Ditto.
10470 (execute_lower_omp): Ditto.
10471 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
10472 * ipa-reference.c (static_execute): Ditto.
10473 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
10474 * reorg.c (rest_of_handle_delay_slots): Ditto.
10475 (rest_of_handle_machine_reorg): Ditto.
10476 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
10477 * flow.c (recompute_reg_usage): Ditto.
10478 (rest_of_handle_remove_death_notes): Ditto.
10479 (rest_of_handle_life): Ditto.
10480 (rest_of_handle_flow2): Ditto.
10481 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
10482 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
10483 (do_ssa_store_ccp): Ditto.
10484 (execute_fold_all_builtins): Ditto.
10485 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
10486 * modulo-sched.c (rest_of_handle_sms): Ditto.
10487 * ipa-pure-const.c (static_execute): Ditto.
10488 * cse.c (rest_of_handle_cse): Ditto.
10489 (rest_of_handle_cse2): Ditto.
10490 * web.c (rest_of_handle_web): Ditto.
10491 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
10492 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
10493 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
10494 * tree-nrv.c (tree_nrv): Ditto.
10495 (execute_return_slot_opt): Ditto.
10496 * tree-ssa-alias.c (compute_may_aliases): Ditto.
10497 (create_structure_vars): Ditto.
10498 * loop-init.c (rtl_loop_init): Ditto.
10499 (rtl_loop_done): Ditto.
10500 (rtl_move_loop_invariants): Ditto.
10501 (rtl_unswitch): Ditto.
10502 (rtl_unroll_and_peel_loops): Ditto.
10503 (rtl_doloop): Ditto.
10504 * gimple-low.c (lower_function_body): Ditto.
10505 (mark_used_blocks): Ditto.
10506 * tree-ssa-sink.c (execute_sink_code): Ditto.
10507 * ipa-inline.c (cgraph_decide_inlining): Ditto.
10508 (cgraph_early_inlining): Ditto.
10509 * global.c (rest_of_handle_global_alloc): Ditto.
10510 * jump.c (cleanup_barriers): Ditto.
10511 (purge_line_number_notes): Ditto.
10512 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
10513 (rest_of_handle_if_after_reload): Ditto.
10514 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
10515 (tree_ssa_loop_im): Ditto.
10516 (tree_ssa_loop_unswitch): Ditto.
10517 (tree_vectorize): Ditto.
10518 (tree_linear_transform): Ditto.
10519 (tree_ssa_loop_ivcanon): Ditto.
10520 (tree_ssa_empty_loop): Ditto.
10521 (tree_ssa_loop_bounds): Ditto.
10522 (tree_complete_unroll): Ditto.
10523 (tree_ssa_loop_prefetch): Ditto.
10524 (tree_ssa_loop_ivopts): Ditto.
10525 (tree_ssa_loop_done): Ditto.
10526 * predict.c (tree_estimate_probability): Ditto.
10527 * recog.c (split_all_insns_noflow): Ditto.
10528 (rest_of_handle_peephole2): Ditto.
10529 (rest_of_handle_split_all_insns): Ditto.
10530 * tree-eh.c (lower_eh_constructs): Ditto.
10531 * regmove.c (rest_of_handle_regmove): Ditto.
10532 (rest_of_handle_stack_adjustments): Ditto.
10533 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
10534 * function.c (instantiate_virtual_regs): Ditto.
10535 (init_function_for_compilation): Ditto.
10536 (rest_of_handle_check_leaf_regs): Ditto.
10537 * gcse.c (rest_of_handle_jump_bypass): Ditto.
10538 (rest_of_handle_gcse): Ditto.
10539 * ipa-type-escape.c (type_escape_execute): Ditto.
10540 * alias.c (rest_of_handle_cfg): Ditto.
10541 * tree-if-conv.c (main_tree_if_conversion): Ditto.
10542 * profile.c (rest_of_handle_branch_prob): Ditto.
10543 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
10544 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
10545 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
10546 * tree-dfa.c (find_referenced_vars): Ditto.
10547 * except.c (set_nothrow_function_flags): Ditto.
10548 (convert_to_eh_region_ranges): Ditto.
10549 (rest_of_handle_eh): Ditto.
10550 * emit-rtl.c (unshare_all_rtl): Ditto.
10551 (remove_unnecessary_notes): Ditto.
10552 * except.h (set_nothrow_function_flags): Ditto.
10553 (convert_to_eh_region_ranges): Ditto.
10554 * cfgexpand.c (tree_expand_cfg): Ditto.
10555 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
10556 * tree-ssa-pre.c (do_pre): Ditto.
10557 (execute_fre): Ditto.
10558 * cfgcleanup.c (rest_of_handle_jump): Ditto.
10559 (rest_of_handle_jump2): Ditto.
10560 * tree-sra.c (tree_sra): Ditto.
10561 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
10562 (execute_mudflap_function_decls): Ditto.
10563 * tree-ssa-copy.c (do_copy_prop): Ditto.
10564 (do_store_copy_prop): Ditto.
10565 * ipa-prop.h (ipcp_driver): Ditto.
10566 * cfglayout.c (insn_locators_initialize): Ditto.
10567 * tree-ssa-forwprop.c
10568 (tree_ssa_forward_propagate_single_use_vars): Ditto.
10569 * cfglayout.h (insn_locators_initialize): Ditto.
10570 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
10571 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
10572 (execute_late_warn_uninitialized): Ditto.
10573 * rtl.h (cleanup_barriers): Ditto.
10574 (split_all_insns_noflow): Ditto.
10575 (purge_line_number_notes): Ditto.
10576 (unshare_all_rtl): Ditto.
10577 (remove_unnecessary_notes): Ditto.
10578 (recompute_reg_usage): Ditto.
10579 (variable_tracking_main): Ditto.
10580 * integrate.c (emit_initial_value_sets): Ditto.
10581 * integrate.h (emit_initial_value_sets): Ditto.
10582 * tree-optimize.c (execute_free_datastructures): Ditto
10583 (execute_free_cfg_annotations): Ditto.
10584 (execute_fixup_cfg): Ditto.
10585 (execute_cleanup_cfg_pre_ipa): Ditto.
10586 (execute_cleanup_cfg_post_optimizing): Ditto.
10587 (execute_init_datastructures): Ditto.
10588 * tree-object-size.c (compute_object_sizes): Ditto.
10589 * combine.c (rest_of_handle_combine): Ditto.
10590 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
10591 * bb-reorder.c (duplicate_computed_gotos): Ditto.
10592 (rest_of_handle_reorder_blocks): Ditto.
10593 (rest_of_handle_partition_blocks): Ditto.
10594 * var-tracking.c (variable_tracking_main): Ditto.
10595 * tree-profile.c (tree_profiling): Ditto.
10596 * tree-vect-generic.c (expand_vector_operations): Ditto.
10597 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
10598 * sched-rgn.c (rest_of_handle_sched): Ditto.
10599 (rest_of_handle_sched2): Ditto.
10600 * basic-block.h (free_bb_insn): Ditto.
10601 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
10602 * tree-cfg.c (execute_build_cfg): Ditto.
10603 (remove_useless_stmts): Ditto.
10604 (split_critical_edges): Ditto.
10605 (execute_warn_function_return): Ditto.
10606 (execute_warn_function_noreturn): Ditto.
10607 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
10608 * cfgrtl.c (free_bb_for_insn): Ditto.
10609 * passes.c (execute_one_pass): Run additional
10610 todos returned by execute function.
10611 * tree-pass.h (struct tree_opt_pass): Make execute
10614 2006-03-02 Richard Guenther <rguenther@suse.de>
10616 * tree-ssa-alias.c (find_used_portions): Consider taking
10617 the address as making the variable not write-only.
10619 2006-03-02 Nick Clifton <nickc@redhat.com>
10621 * config.gcc (default_use_cxa_atexit): Extend the description of
10622 this configure variable. Set its default value to "yes" for
10623 Linux, NetBSD and ELF targets on the assumption that they will
10624 use C libraries with the __cxa_atexit function.
10626 2006-03-02 Ben Elliston <bje@au.ibm.com>
10628 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
10629 parameter as unused to suppress a build warning.
10631 2006-03-02 Ben Elliston <bje@au.ibm.com>
10633 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
10636 2006-03-01 Roger Sayle <roger@eyesopen.com>
10639 * gthr-posix.h (__gthrw2): Define to take three parameters, the
10640 declared name, the weak reference name, and the typeof name.
10641 (__gthrw): Avoid expanding the declared name suffix.
10642 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
10644 2006-03-01 Jakub Jelinek <jakub@redhat.com>
10646 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
10648 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
10649 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
10650 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
10651 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
10652 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
10653 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
10654 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
10655 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
10656 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
10657 DW_DS_leading_separate, DW_DS_trailing_separate): New.
10658 (DW_END_default, DW_END_big, DW_END_little): New.
10659 (DW_END_lo_user, DW_END_hi_user): Define.
10660 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
10661 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
10662 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
10665 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10667 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
10669 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
10671 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
10673 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
10675 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
10676 to 'symbol_mem_tag'.
10678 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
10681 2006-03-01 Roger Sayle <roger@eyesopen.com>
10683 * builtins.c (fold_builtin_copysign): Delete unreachable code.
10685 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10688 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
10689 MACHO_DYNAMIC_NO_PIC_P.
10690 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
10692 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10695 * config/darwin-protos.h (darwin_asm_output_anchor):
10697 * config/darwin-sections.def (cstring_section):
10698 Add SECTION_MERGE to the flags.
10699 (literal4_section): Likewise.
10700 (literal8_section): Likewise.
10701 (objc_selector_refs_section): Likewise.
10702 (objc_cls_refs_section): Likewise.
10703 * config/darwin.c (darwin_asm_output_anchor): New
10705 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
10707 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
10709 Fix PR tree-optimization/26443
10710 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
10711 to todo and PROP_tmt_usage to properties_destroyed.
10712 * tree-ssa-ccp.c (pass_ccp): Ditto.
10713 (pass_store_ccp): Ditto.
10714 * tree-ssa-dom.c (pass_dominator): Ditto.
10716 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10718 * tree-ssa-operands.c: Cleanup whitespace.
10719 (get_asm_expr_operands): Move before first invocation.
10720 (get_indirect_ref_operands): Likewise.
10721 (get_tmr_operands): Likewise.
10722 (get_call_expr_operands): Likewise.
10723 (append_def): Likewise.
10724 (append_use): Likewise.
10725 (append_v_may_def): Likewise.
10726 (append_v_must_def): Likewise.
10727 (add_call_clobber_ops): Likewise.
10728 (add_call_read_ops): Likewise.
10729 (add_stmt_operand): Likewise.
10730 (add_virtual_operand): Likewise.
10731 (build_ssa_operands): Likewise.
10733 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10735 PR middle-end/26022
10737 PR middle-end/24437
10738 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10739 with a call expr to ...
10740 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10742 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10744 * tree-vrp.c (extract_range_from_assert): Remove special
10745 handling for types with super-types.
10747 2006-03-01 Ben Elliston <bje@au.ibm.com>
10749 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
10750 and powerpc64-*-linux* configurations.
10751 * config/t-dfprules: New file.
10753 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
10754 Compile dfp-bit.c from the source directory using -DWIDTH and
10755 $DFP_CFLAGS to control the compilation of that file, rather than
10756 generating width-specific versions in the build directory.
10757 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
10758 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
10760 2006-02-28 Zack Weinberg <zackw@panix.com>
10762 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
10765 2006-02-28 Eric Christopher <echristo@apple.com>
10767 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
10768 Set up IN_LIBGCC definition of TARGET_64BIT.
10769 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
10771 2006-02-28 Roger Sayle <roger@eyesopen.com>
10773 PR middle-end/14752
10774 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
10775 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
10776 cases via the construction of "expr != 0".
10778 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
10780 * alias.c (alias_invariant, alias_invariant_size): Remove.
10781 (record_base_value): Remove.
10782 (memrefs_conflict_p): Don't look at alias_invariant.
10783 (end_alias_analysis): Don't free it.
10784 * alias.h (record_base_value): Remove prototype.
10786 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
10787 Adam Nemet <anemet@caviumnetworks.com>
10789 * rtl.h (truncated_to_mode): Declare it.
10790 (struct rtl_hooks): Add reg_truncated_to_mode hook.
10791 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
10792 (RTL_HOOKS_INITIALIZER): Include it.
10793 * rtlhooks.c (reg_truncated_to_mode_general): New function.
10794 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
10795 reg_truncated_to_mode.
10796 * rtlanal.c (truncated_to_mode): Define it.
10797 * simplify-rtx.c (simplify_unary_operation_1): Use it.
10799 2006-02-28 Jeff Law <law@redhat.com>
10801 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
10802 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
10803 the range allowed by TYPE_PRECISION.
10805 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
10807 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
10809 PR tree-optimization/26419
10810 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
10813 2006-02-27 Zack Weinberg <zackw@panix.com>
10815 * doc/md.texi: Fix typo in previous change.
10817 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
10821 2006-02-27 Zack Weinberg <zackw@panix.com>
10823 * rtl.def (define_constraint, define_register_constraint)
10824 (define_memory_constraint, define_address_constraint): New MD forms.
10825 * gensupport.c (process_rtx): Put define_constraint etc on the
10827 * genpreds.c (process_define_predicate): Adjust comment. Validate
10828 the name, and call validate_exp to validate the expression.
10829 (mark_mode_tests, write_extract_subexp): Can assume correct input.
10830 (write_predicate_expr): Likewise. NAME argument no longer necessary;
10831 all callers changed.
10832 (validate_exp, needs_variable, struct constraint_data)
10833 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
10834 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
10835 (const_dbl_constraints, constraint_max_namelen)
10836 (have_register_constraints, have_memory_constraints)
10837 (have_address_constraints, have_address_constraints)
10838 (have_extra_constraints, have_const_int_constraints)
10839 (have_const_dbl_constraints, mangle, add_constraint)
10840 (process_define_constraint, process_define_register_constraint)
10841 (write_enum_constraint_num, write_lookup_constraint)
10842 (write_insn_constraint_len, write_regclass_for_constraint)
10843 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
10844 (write_insn_extra_memory_constraint)
10845 (write_insn_extra_address_constraint)
10846 (write_satisfies_constraint_fns): New.
10847 (write_tm_preds_h): If we have new-style constraint definitions,
10848 prototype the functions generated from them, and define the
10849 old constraint interface (still used by generic code) in terms of
10851 (write_insn_preds_c): If we have new-style constraint definitions,
10852 generate all relevant functions from those definitions.
10853 (main): Handle define_constraint etc.
10854 * genoutput.c (struct constraint_data, indep_constraints)
10855 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
10856 (mdep_constraint_len): New data structures and functions, defined
10857 #ifdef USE_MD_CONSTRAINTS.
10858 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
10859 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
10860 use new logic to validate operand constraints against constraint
10862 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
10864 * defaults.h: If none of the old-style constraint macros are
10865 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
10866 old-style macros; and poison REG_CLASS_FROM_LETTER,
10867 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
10869 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
10870 * doc/md.texi: Document new constraint-definition mechanism and the
10871 C interface it provides. Remove references to old mechanism
10872 elsewhere in the document.
10873 (Machine Constraints): Use pathnames relative to gcc directory,
10874 i.e. config/ARCH/FILE. Change i386 section to refer to
10875 config/i386/predicates.md; update that section to match docstrings.
10876 * doc/tm.texi: Move all documentation of the old constraint-
10877 definition macros to their own section, clearly mark as obsolete.
10879 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
10880 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
10882 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
10883 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
10884 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
10885 constraint strings.
10886 (splits and peepholes): Use satisfies_constraint_*.
10887 * config/i386/i386.c (memory_address_length)
10888 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
10890 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
10892 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
10893 scalar operation to be put back into the loop.
10895 2006-02-27 Jakub Jelinek <jakub@redhat.com>
10898 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
10899 (extract_cie_info): Handle S flag in augmentation string.
10900 (execute_cfa_program): If context->signal_frame, execute also
10901 fs->pc == context->ra instructions.
10902 (uw_frame_state_for): If context->signal_frame, don't subtract one
10903 from context->ra to find FDE.
10904 (uw_update_context_1): Set context->signal_frame to
10906 (_Unwind_GetIPInfo): New function.
10907 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
10908 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
10910 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
10911 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
10912 * unwind-compat.c (_Unwind_GetIPInfo): New function.
10913 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
10914 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
10915 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
10916 * config/i386/linux-unwind.h (x86_fallback_frame_state,
10917 x86_64_fallback_frame_state): Set fs->signal_frame.
10918 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
10919 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
10920 (frob_update_context): Likewise. Workaround missing S flag in
10921 Linux 2.6.12 - 2.6.16 kernel vDSOs.
10922 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
10923 Remove the psw_addr + 1 hack.
10925 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
10927 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
10928 with aggregates here.
10929 (find_func_aliases): Remove code for &<aggregate> from here.
10931 2006-02-26 Roger Sayle <roger@eyesopen.com>
10933 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
10934 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
10935 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
10936 as (X & C) ne/eq 0.
10938 2006-02-26 Roger Sayle <roger@eyesopen.com>
10940 PR middle-end/19983
10941 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
10943 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
10945 * opts.c (decode_options): Do not handle flag_strength_reduce.
10946 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
10947 and OPT_fstrength_reduce.
10948 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
10949 flag_prefetch_loop_arrays for being nonzero.
10950 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
10952 (fprefetch-loop-arrays-rtl): Removed.
10953 (flag_prefetch_loop_arrays): Do not specify the value.
10955 * doc/passes.texi: Update documentation of loop optimizer
10957 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
10958 -frerun-loop-opt): Remove.
10960 2006-02-26 Richard Guenther <rguenther@suse.de>
10962 PR tree-optimization/26421
10963 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
10964 in function calls that are ADDR_EXPRs as using the whole structure.
10966 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
10968 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
10969 * tree-pass.h (pass_loop_optimize): Remove.
10970 * passes.c (pass_loop_optimize): Never run it.
10971 * toplev.c (backend_init): Don't call init_loop.
10972 * opts.c (flag_loop_optimize_set): Remove.
10973 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
10974 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
10975 the old RTL loop optimizer when profiling enabled.
10976 * predict.c (tree_estimate_probability): Always strip builtin_expect.
10977 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
10978 pre-headers for the sake of the old RTL loop optimizer.
10979 * Makefile.in: Remove all references to loop.o.
10981 * doc/invoke.texi: Remove all references to -floop-optimize
10982 and -frerun-loop-opt.
10984 2006-02-26 Zack Weinberg <zackw@panix.com>
10986 * doc/md.texi (Machine Constraints): Refer to all files with paths
10987 relative to gcc directory (i.e. config/CPU/file). Add missing
10988 @table @code ... @end table to M32C subsection.
10990 2006-02-26 Roger Sayle <roger@eyesopen.com>
10992 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
10994 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
10996 2006-02-26 Roger Sayle <roger@eyesopen.com>
10997 James A. Morrison <phython@gcc.gnu.org>
10999 PR middle-end/21137
11000 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
11001 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
11002 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
11003 signedness of the shift operation.
11005 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
11007 PR tree-optimization/26359
11008 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
11010 2006-02-25 Roger Sayle <roger@eyesopen.com>
11012 * simplify-rtx.c (simplify_relational_operation_1): Simplify
11013 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
11014 as X == 0, and some symmetry related transformations.
11015 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
11017 2006-02-25 Roger Sayle <roger@eyesopen.com>
11019 PR middle-end/23673
11020 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
11021 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
11022 symmetry related transformations. Fold (X^C1) == C2 as
11025 2006-02-25 Juergen Weigert <jw@suse.de>
11026 Richard Guenther <rguenther@suse.de>
11028 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
11030 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
11032 * combine.c (gen_lowpart_or_truncate): Call
11033 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
11035 2006-02-24 Diego Novillo <dnovillo@redhat.com>
11037 * doc/invoke.texi: Move -fopenmp description to "Options for
11039 Remove reference to -lgomp.
11041 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11043 * doc/install.texi: Require GNU tar version 1.14.
11045 2006-02-24 Geoffrey Keating <geoffk@apple.com>
11047 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
11048 * doc/invoke.texi (C++ Dialect Options): Document
11049 -fno-use-cxa-get-exception-ptr.
11050 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
11051 * configure: Regenerate.
11052 * c.opt (fuse-cxa-get-exception-ptr): New.
11053 * c-opts.c (c_common_handle_option): Handle
11054 OPT_fuse_cxa_get_exception_ptr.
11055 * c-common.c (flag_use_cxa_atexit): Update documentation.
11056 (flag_use_cxa_get_exception_ptr): New.
11057 * c-common.h (flag_use_cxa_get_exception_ptr): New.
11058 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
11060 (C_COMMON_OVERRIDE_OPTIONS): New.
11062 2006-02-24 Roger Sayle <roger@eyesopen.com>
11064 PR middle-end/24952
11065 * combine.c (try_combine): Explicitly check whether GET_CODE is
11066 a SET or a CLOBBER, instead on checking that it isn't a USE.
11068 2006-02-24 Roger Sayle <roger@eyesopen.com>
11070 * fold-const.c (fold_comparison): New subroutine of fold_binary
11071 containing transformations common to both the equality and
11072 ordering relational operators, factored out of fold_binary.
11073 (fold_binary): Separate out the equality operators (EQ_EXPR
11074 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
11075 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
11076 transformations common to both.
11077 (fold_div_compare): Fix latent bugs in the previously unreachable
11078 LT_EXPR and GE_EXPR cases.
11080 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11082 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
11083 decl libname for clog to __clog on AIX.
11085 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
11087 2006-02-24 Alan Modra <amodra@bigpond.net.au>
11090 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
11091 output traceback table for thunks. Localise rs6000_stack_info call.
11093 2006-02-23 Roger Sayle <roger@eyesopen.com>
11094 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11096 * gthr-posix.h (__gthrw): Fix typo in comment.
11098 2006-02-23 Geoffrey Keating <geoffk@apple.com>
11100 * doc/cpp.texi (Character sets): Document that we do support
11101 input files to be in any character set.
11103 2006-02-23 Jeff Law <law@redhat.com>
11105 * tree.h (PHI_ARG_NONZERO): Remove.
11106 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
11107 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
11108 node to the new node.
11110 PR tree-optimization/26425
11111 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
11112 min/max, then assume its varying.
11114 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11116 PR rtl-optimization/26316
11117 * rtlanal.c (enum may_trap_p_flags): New.
11118 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
11119 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
11120 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
11121 (may_trap_after_code_motion_p): New function.
11122 * loop-invariant.c (find_identical_invariants): Fix dump formating.
11123 (find_invariant_insn): Use may_trap_after_code_motion_p.
11124 * rtl.h (may_trap_after_code_motion_p): Declare.
11126 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11128 * emit-rtl.c (immed_double_const): Cleanup.
11130 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
11132 Fix PR tree-optimization/26376
11133 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
11136 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11138 PR middle-end/26412
11139 * gimplify.c (omp_add_variable): Guard variable size decl test with
11140 DECL_SIZE (decl) check.
11142 2006-02-23 Richard Guenther <rguenther@suse.de>
11144 PR middle-end/26439
11145 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
11146 like aggregate types.
11148 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11150 * configure.ac: Add --with{,out}-long-double-128 configure option.
11151 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
11152 * configure: Rebuilt.
11153 * config.in: Rebuilt.
11154 * doc/install.texi (Options specification): Document
11155 --with-long-double-128.
11157 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11158 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11159 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11160 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11162 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
11164 * config/s390/s390.c (override_options): Handle
11165 TARGET_DEFAULT_LONG_DOUBLE_128.
11167 * config/alpha/alpha.c (override_options): Handle
11168 TARGET_DEFAULT_LONG_DOUBLE_128.
11170 * config/sparc/sparc.c (sparc_override_options): Handle
11171 TARGET_DEFAULT_LONG_DOUBLE_128.
11173 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
11175 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
11176 (real-install-headers-tar, real-install-headers-cpio)
11177 (real-install-headers-cp): New targets.
11179 2006-02-22 Richard Sandiford <richard@codesourcery.com>
11181 * tree.h (variable_section): Delete.
11182 * varasm.c (variable_section): Delete.
11184 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
11186 * install.texi: Add notes on install.texi2html.
11187 (Building in parallel): Do not use footnotes.
11189 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
11192 * doc/install.texi (Configuration): Document --disable-libgomp.
11194 2006-02-21 Geoffrey Keating <geoffk@apple.com>
11196 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
11198 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11200 * config/i386/sse.md (vec_extractv2df_1_sse): New.
11201 (vec_extractv2df_0_sse): New.
11203 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11205 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
11206 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
11207 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
11208 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
11209 to the result of the expression.
11210 (def_cfa_1): Adjust.
11211 (frame_pointer_cfa_offset): Rename to...
11212 (frame_pointer_fb_offset): ... this. Adjust all uses.
11213 (convert_cfa_to_loc_list): Rename to...
11214 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
11215 Pass it on to build_cfa_loc.
11216 (compute_frame_pointer_to_cfa_displacement): Rename to...
11217 (compute_frame_pointer_to_fb_displacement): ... this. New
11218 offset parameter. Use it in computation.
11219 (gen_subprogram_die): Compute cfa_fb_offset with the new
11220 macro, and use it to compute the fb loc list and the
11223 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
11225 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
11226 replaced with register_operand.
11227 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
11228 non-DREG is expensive.
11229 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
11230 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
11233 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
11235 * doc/install.texi2html: Use set -e.
11237 2006-02-21 Richard Sandiford <richard@codesourcery.com>
11239 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11240 (ASM_OUTPUT_SHARED_LOCAL): Delete.
11241 * doc/invoke.texi (-fshared-data): Delete.
11242 * common.opt (fshared-data): Delete.
11243 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
11244 (assemble_static_space): Remove #if 0 code.
11245 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11246 (ASM_OUTPUT_SHARED_LOCAL): Poison.
11247 * config/cris/cris.h: Remove FIXME.
11249 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
11251 * doc/sourcebuild.texi (Front End Directory): No more double-colon
11254 2006-02-21 Jakub Jelinek <jakub@redhat.com>
11256 PR middle-end/26379
11257 * combine.c (simplify_shift_const_1): Disable nested shifts
11258 optimization for vector shifts.
11260 2006-02-20 Roger Sayle <roger@eyesopen.com>
11262 PR tree-optimization/26361
11263 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
11264 of unsigned integer types.
11266 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
11268 * tree-chrec.c (eq_evolutions_p): New.
11269 * tree-chrec.h (eq_evolutions_p): Declared.
11270 * tree-data-ref.c: Fix formatting.
11271 (datadep_stats, dependence_stats): New.
11273 (print_direction_vector): New.
11274 (dump_data_dependence_relation): Use print_direction_vector.
11275 (object_analysis, create_data_ref): Handle COMPONENT_REF.
11276 (compute_subscript_distance): Static.
11277 (initialize_data_dependence_relation): Static. Get the number
11278 of loops surrounding the references from the callers, and initialize
11279 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
11280 base_object_differ_p analyzers.
11281 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
11282 compute_overlap_steps_for_affine_1_2,
11283 analyze_subscript_affine_affine): Count the classified dependences.
11284 Print a message when a test failed.
11285 (can_use_analyze_subscript_affine_affine): New.
11286 (analyze_siv_subscript): Compute the data dependences on symbolic
11287 scevs that verify can_use_analyze_subscript_affine_affine.
11288 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
11289 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
11290 Handle symbolic scevs.
11291 (analyze_overlapping_iterations): Let symbolic affine scevs to be
11293 (subscript_dependence_tester): Moved...
11294 (build_classic_dist_vector, build_classic_dir_vector): Don't use
11295 lambda_vector_clear on newly allocated vectors. Get nb_loops from
11296 DDR_SIZE_VECT instead of getting it in parameter.
11297 (subscript_dependence_tester): ... here. Take as a parameter
11298 loop_nest_depth. Call build_classic_dist_vector and
11299 build_classic_dir_vector.
11300 (compute_affine_dependence): Update subscript_dependence_tester
11301 parameters. Update datadep_stats counters. Call
11302 compute_subscript_distance.
11303 (compute_self_dependence): Save the dist and dir vectors. Call
11304 compute_subscript_distance.
11305 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
11306 (compute_all_dependences): Reorder parameters as they were before
11307 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
11308 compute_subscript_distance. Update the use of
11309 compute_affine_dependence and initialize_data_dependence_relation.
11310 (find_data_references_in_loop): Handle COMPONENT_REF.
11311 (compute_data_dependences_for_loop): Initialize dependence_stats.
11312 Don't call build_classic_dist_vector and build_classic_dir_vector.
11313 Update the parameters of initialize_data_dependence_relation and
11314 compute_all_dependences. Print the statistics from datadep_stats.
11315 (analyze_all_data_dependences): Static. Not used until the pass for
11316 checking the data dependences is contributed.
11317 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
11318 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
11319 (initialize_data_dependence_relation, compute_affine_dependence,
11320 analyze_all_data_dependences, compute_subscript_distance): Removed.
11321 (print_direction_vector): New.
11322 * lambda.h (gcd): ... here.
11323 (lambda_vector_gcd): Moved here from gcd_vector.
11324 * lambda-code.c (gcd, gcd_vector): Removed.
11325 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
11326 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
11328 2006-02-20 Diego Novillo <dnovillo@redhat.com>
11330 * ipa-type-escape.c: Tidy some comments and white space.
11331 * tree-ssa-operands.c: Likewise.
11333 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
11336 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
11337 (dump_decl_name): Do not walk the decl tree chains.
11338 * tree-pass.h (TDF_CHAIN): Remove.
11340 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11342 * Makefile.in (C): Remove
11344 (.PHONY): Remove C and PROTO
11346 2006-02-20 Roger Sayle <roger@eyesopen.com>
11348 PR middle-end/26236
11349 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
11350 deprecated CHAR_TYPE tree code.
11352 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11354 * configure.ac (target_list): Add install-info, dvi, html.
11355 * configure: Regenerate.
11357 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
11358 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
11359 treelang/Make-lang.in: Do not use double-colon rules.
11361 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
11363 * tree.h (struct tree_memory_tag): Add is_used_alone member.
11364 (TMT_USED_ALONE): New macro.
11365 * tree-pass.h (PROP_tmt_usage): New property.
11366 (TODO_update_tmt_usage): New todo.
11367 * tree-ssa-alias.c (updating_used_alone): New variable.
11368 (recalculate_used_alone): New function.
11369 (compute_may_aliases): Set updating_used_alone, call
11370 recalculate_used_alone.
11371 * tree-sra.c (pass_sra): Note that this pass destroys
11372 PROP_tmt_usage, and add TODO_update_tmt_usage.
11373 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
11374 * tree-flow.h (updating_used_alone): Prototype.
11375 (recalculate_used_alone): Ditto.
11376 * passes.c (execute_todo): Add code to set updating_used_alone,
11377 and call recalculate.
11378 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
11379 for clobber if used alone, and add assert to verify used_alone
11382 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
11384 * config/s390/s390.c (legitimize_pic_address): Assertions checking
11385 for non tls symbols added.
11386 (legitimize_address): Do nothing for PLUS expressions if one of the
11387 addends is a tls symbol reference.
11389 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11393 * Makefile.in (LDFLAGS): Define from autoconf substitution.
11395 * Makefile.in (BOOTSTRAPPING): New.
11396 (quickstrap): New definition if BOOTSTRAPPING=yes.
11398 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
11399 * configure.ac: Substitute all_selected_languages with the languages
11400 that were configured. For all the other variables except
11401 lang_specs_files, include all the languages in the tree.
11402 * configure: Regenerate.
11404 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
11405 if there is one. Run the commands to run fixincludes in the same
11408 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
11409 * doc/install.texi: Document exact conventions for searching target tools.
11410 Document --with-build-time-tools. Document toplevel bootstrap. Document
11411 something more about building an Ada cross-compiler. Don't list GNU Make
11412 requirements which affect all platforms.
11414 2006-02-19 Roger Sayle <roger@eyesopen.com>
11416 PR middle-end/19543
11417 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
11418 only equivalent if the have both the same mode and precision.
11420 2006-02-20 Ben Elliston <bje@au.ibm.com>
11422 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
11424 2006-02-19 Roger Sayle <roger@eyesopen.com>
11425 Steven Bosscher <stevenb.gcc@gmail.com>
11427 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
11428 constant pool references to identify stack mode constants.
11429 * rtlanal.c (constant_pool_constant_p): New predicate to check
11430 whether operand is a floating point constant in the pool.
11431 * rtl.h (constant_pool_constant_p): Prototype here.
11432 * loop.c (scan_loop): Avoid hoisting constants from the constant
11433 pool on STACK_REGS targets.
11434 (load_mems): Likewise.
11435 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
11436 loads into x87 registers expensive in terms of register pressure.
11438 2006-02-19 Roger Sayle <roger@eyesopen.com>
11440 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
11441 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
11443 2006-02-19 David Edelsohn <edelsohn@gnu.org>
11445 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11446 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
11448 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
11450 * doc/invoke.texi: Document -fipa-pta.
11451 * common.opt: Add ipa-pta option.
11452 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
11453 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
11454 (do_ds_constraint): Ditto.
11455 (get_constraint_for): Only add to referenced_vars if
11456 referenced_vars exists.
11457 (insert_into_field_list): Rewrite to do this unsorted.
11458 (insert_into_field_list_sorted): Rename old insert_into_field_list
11460 (create_function_info_for): Use insert_into_field_list_sorted.
11461 (create_variable_info_for): Rewrite so it uses unsorted version,
11462 since the field list is sorted.
11463 (intra_create_variable_infos): Only add to referenced_vars if
11464 referenced_vars exists.
11465 (ipa_pta_execute): Init heapvars, and delete when done.
11466 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
11468 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11470 * doc/install.texi: Add missing `@samp'.
11472 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11474 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
11477 2006-02-18 Mark Wielaard <mark@klomp.org>
11479 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
11480 who added new 4.1 features, bug fixes and integration support.
11482 2006-02-18 David Edelsohn <edelsohn@gnu.org>
11485 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
11486 MEM for ABI_V4 pic.
11488 2006-02-18 Richard Sandiford <richard@codesourcery.com>
11490 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
11491 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
11492 (copy_insn_1): Likewise. Don't copy each field individually.
11494 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
11496 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
11497 * rtl.c (rtx_size): Rename variable to...
11498 (rtx_code_size): ...this.
11499 (rtx_size): New function.
11500 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
11501 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
11503 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
11504 * rtl.h (rtx_code_size): New variable.
11505 (rtx_size): Change from a variable to a function.
11506 (RTX_SIZE): Rename to...
11507 (RTX_CODE_SIZE): ...this.
11510 PR tree-optimization/17106
11511 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
11512 (Anchored Addresses): New section.
11513 * doc/invoke.texi (-fsection-anchors): Document.
11514 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
11515 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
11516 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
11517 * hooks.c (hook_bool_mode_rtx_false): New function.
11518 * hooks.h (hook_bool_mode_rtx_false): Declare.
11519 * gengtype.c (create_optional_field): New function.
11520 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
11521 SYMBOL_REF_IN_BLOCK_P is true.
11522 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
11523 (min_anchor_offset, max_anchor_offset): Likewise.
11524 (use_anchors_for_symbol_p): New hook.
11525 * toplev.c (compile_file): Call output_object_blocks.
11526 (target_supports_section_anchors_p): New function.
11527 (process_options): Check that -fsection-anchors is only used on
11528 targets that support it and when -funit-at-a-time is in effect.
11529 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
11530 if the decl doesn't have one.
11531 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
11532 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
11533 of force_const_mem through use_anchored_address.
11534 (expand_expr_constant): New function.
11535 (expand_expr_addr_expr_1): Call it. Use the same modifier when
11536 calling expand_expr for INDIRECT_REF.
11537 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
11538 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
11539 * expr.h (use_anchored_address): Declare.
11540 * loop-unroll.c: Don't declare rtx vectors here.
11541 * explow.c: Include output.h.
11542 (validize_mem): Call use_anchored_address.
11543 (use_anchored_address): New function.
11544 * common.opt (-fsection-anchors): New switch.
11545 * varasm.c (object_block_htab, anchor_labelno): New variables.
11546 (hash_section, object_block_entry_eq, object_block_entry_hash)
11547 (use_object_blocks_p, get_block_for_section, create_block_symbol)
11548 (use_blocks_for_decl_p, change_symbol_section): New functions.
11549 (get_variable_section): New function, split out from assemble_variable.
11550 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
11551 use_blocks_for_decl_p say so. Use change_symbol_section if the
11552 symbol has already been created.
11553 (assemble_variable_contents): New function, split out from...
11554 (assemble_variable): ...here. Don't output any code for
11555 block symbols; just pass them to place_block_symbol.
11556 Use get_variable_section and assemble_variable_contents.
11557 (get_constant_alignment, get_constant_section, get_constant_size): New
11558 functions, split from output_constant_def_contents.
11559 (build_constant_desc): Create a block symbol if use_object_blocks_p
11560 says so. Or into SYMBOL_REF_FLAGS.
11561 (assemble_constant_contents): New function, split from...
11562 (output_constant_def_contents): ...here. Don't output any code
11563 for block symbols; just pass them to place_section_symbol.
11564 Use get_constant_section and get_constant_alignment.
11565 (force_const_mem): Create a block symbol if use_object_blocks_p and
11566 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
11567 (output_constant_pool_1): Add an explicit alignment argument.
11568 Don't switch sections here.
11569 (output_constant_pool): Adjust call to output_constant_pool_1.
11570 Switch sections here instead. Don't output anything for block symbols;
11571 just pass them to place_block_symbol.
11572 (init_varasm_once): Initialize object_block_htab.
11573 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
11574 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
11575 (place_block_symbol, get_section_anchor, output_object_block)
11576 (output_object_block_htab, output_object_blocks): New functions.
11577 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
11578 (TARGET_ASM_OUT): Include it.
11579 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
11580 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
11581 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
11582 (TARGET_INITIALIZER): Include them.
11583 * rtl.c (rtl_check_failed_block_symbol): New function.
11584 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
11585 (block_symbol, object_block): New structures.
11586 (rtx_def): Add a block_symbol field to the union.
11587 (BLOCK_SYMBOL_CHECK): New macro.
11588 (rtl_check_failed_block_symbol): Declare.
11589 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
11590 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
11591 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
11592 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
11593 * output.h (output_section_symbols): Declare.
11594 (object_block): Name structure.
11595 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
11596 (default_use_anchors_for_symbol_p): Declare.
11597 * Makefile.in (RTL_BASE_H): Add vec.h.
11598 (explow.o): Depend on output.h.
11599 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
11600 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
11601 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
11602 (rs6000_use_blocks_for_constant_p): New function.
11604 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11606 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
11608 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11611 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
11614 2006-02-18 Diego Novillo <dnovillo@redhat.com>
11616 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
11620 2006-02-18 Jakub Jelinek <jakub@redhat.com>
11622 PR middle-end/26334
11623 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
11624 instead of DECL_REGISTER.
11626 2006-02-18 Olivier Hainque <hainque@adacore.com>
11629 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
11631 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
11634 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
11635 * opth-gen.awk: Handle Var and InverseMask together.
11636 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
11637 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
11638 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
11639 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
11641 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11642 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11643 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
11644 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11645 LINUX_DYNAMIC_LINKER): Define.
11646 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
11647 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
11649 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11650 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
11651 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11652 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11653 (TARGET_C99_FUNCTIONS): Don't define.
11654 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
11655 GLIBC_DYNAMIC_LINKER.
11656 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
11657 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
11658 GLIBC_DYNAMIC_LINKER64): Define.
11659 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11660 LINUX_DYNAMIC_LINKER64.
11661 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11662 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11663 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
11664 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11665 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11666 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11667 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
11668 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
11669 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
11670 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
11671 and LINUX_DYNAMIC_LINKER32.
11672 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11673 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11674 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
11675 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11676 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
11678 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
11679 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
11680 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11681 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11682 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11683 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
11684 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
11685 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
11686 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11687 LINUX_DYNAMIC_LINKER): Define.
11688 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
11689 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
11690 GLIBC_DYNAMIC_LINKER64): Define.
11691 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11692 LINUX_DYNAMIC_LINKER64.
11693 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11694 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11695 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
11696 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11697 LINUX_DYNAMIC_LINKER): Define.
11698 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11699 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11700 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
11701 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
11702 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
11703 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11704 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
11705 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
11706 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11707 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11708 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11709 * doc/invoke.texi (-muclibc): Remove caveat about supported
11712 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
11714 * doc/cpp.texi (__TIMESTAMP__): Document.
11716 2006-02-17 Roger Sayle <roger@eyesopen.com>
11718 PR middle-end/25600
11719 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
11720 C is one less than the width of X (and related transformations).
11721 * simplify-rtx.c (simplify_unary_operation_1): Transform
11722 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
11723 depending on STORE_FLAG_VALUE, were C is one less then the
11726 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
11728 Fix PR tree-optimization/26341
11729 * tree-ssa-operands.c (add_virtual_operand): Remove assert
11730 about NAME_MEMORY_TAG's.
11732 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11735 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
11736 with hardware float support, and software float support. Add fcpy
11737 alternative to hardware patterns. Add alternatives to copy between
11738 general and floating-point registers to the 32-bit pattern.
11739 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
11740 secondary reload to load a QI or HI mode constant into a floating
11742 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
11743 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
11745 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
11748 * config/rs6000/darwin.md (load_macho_picbase_si): Add
11750 (load_macho_picbase_di): Likewise.
11752 2006-02-16 Jeff Law <law@redhat.com>
11754 * tree-vrp.c (set_value_range_to_nonnegative): New function.
11755 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
11756 (ssa_name_nonzero_p): Likewise.
11757 (get_value_range): Return NULL if VRP is not running.
11758 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
11759 VRP routines do not discover a range.
11760 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
11761 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
11762 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
11763 (tree_expr_nonnegative_p): Similarly.
11764 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
11765 (restore_nonzero_vars_to_original_value): Remove.
11766 (unsafe_associative_fp_binop): Remove.
11767 (tree_ssa_dominator_optimize): Remove initialization and
11768 finalization of nonzero_vars and nonzero_vars_stack.
11769 (dom_opt_initialize_block): No longer push marker on
11770 nonzero_vars_stack.
11771 (dom_opt_finalize_block): No longer call
11772 restore_nonzero_vars_to_original_value.
11773 (record_equivalences_from_phis): No longer look for
11774 nonzero PHI arguments.
11775 (cprop_into_successor_phis): No longer propagate nonzero
11776 property into PHI arguments. Lose unused argument. Caller
11778 (record_equivalences_from_stmt): No longer record nonzero
11779 values for SSA_NAMEs.
11780 (lookup_avail_expr): No longer use nonzero_vars.
11782 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
11783 for sizetype when sizetype is unsigned.
11785 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
11787 PR rtl-optimization/25603
11788 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
11789 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
11790 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
11791 with new meaning of SETS.
11793 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
11798 * config/linux.opt: New file.
11799 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
11800 LINUX_DYNAMIC_LINKER): Define.
11801 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
11802 * config.gcc (*-*-linux*): Define extra_options.
11803 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
11804 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
11805 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
11806 GLIBC_DYNAMIC_LINKER.
11807 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
11808 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11809 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11810 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11811 * doc/invoke.texi (GNU/Linux Options): New section.
11813 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
11815 * config/sparc/sparc.md (setjmp): Rewrite.
11816 (setjmp_32): Delete.
11817 (setjmp_64): Likewise.
11819 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
11821 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
11824 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11826 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
11829 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11831 PR rtl-optimization/26296
11832 * Makefile.in (loop-invariant.c): Add except.h dependency.
11833 * loop-invariant.c: Include except.h.
11834 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
11836 2005-02-16 Paul Brook <paul@codesourcery.com>
11838 * reload1.c (emit_reload_insns): Invalidate dead input registers used
11841 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
11843 PR rtl-optimization/25636
11844 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
11845 when deciding whether an insn is an initializing insn.
11847 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
11849 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
11850 (tree_code_size): Ditto.
11851 * tree.h (struct tree_memory_tag): Remove parent_var.
11852 (struct tree_struct_field_tag): New.
11855 (union tree_node): Add sft member.
11856 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
11858 (create_sft): Add size and offset argument, set SFT_OFFSET and
11860 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
11861 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
11862 * tree-flow-inline.h (get_subvar_at): Update for
11863 SFT_OFFSET/SFT_SIZE.
11864 (var_can_have_subvars): Ditto.
11865 (overlap_subvar): Ditto.
11866 * print-tree.c (print_node): Print out interesting things for
11868 * tree-flow.h (struct subvar): Remove offset and size members.
11869 * tree-ssa-operands.c (get_expr_operands): Update for
11870 get_indirect_ref_operands changes.
11871 (get_indirect_ref_operands): Call add_virtual_operand instead of
11872 add_stmt_operand. Only recurse on base var if requested.
11873 (access_can_touch_variable): New function.
11874 (add_stmt_operand): Split virtual operand handling into ...
11875 (add_virtual_operand): Here. Add offset, size, and for_clobber
11876 arguments. Prune alias sets.
11877 (add_call_clobber_ops): Call add_virtual_operand.
11879 2006-02-15 Jakub Jelinek <jakub@redhat.com>
11881 PR middle-end/26300
11882 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
11884 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
11885 than TREE_CODE as index into omp_clause_num_ops array.
11887 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
11889 PR rtl-optimization/26184
11890 * modulo-sched.c (generate_reg_moves): Free bitmap vector
11892 * modulo-sched.c (sms_schedule): Free g_arr pointer.
11893 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
11894 must_precede, must_follow and tobe_scheduled.
11897 * opts.c (common_handle_option): Free new_option pointer.
11898 * df-core.c (df_analyze): Free postorder pointer.
11900 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11902 * Makefile.in: Fix the examples about the use of stamps
11904 2006-02-15 Michael Matz <matz@suse.de>
11906 PR middle-end/22275
11908 * stor-layout.c (layout_decl): Zero-width bitfields aren't
11909 influenced by maximum_field_alignment or DECL_PACKED.
11910 (update_alignment_for_field): Ditto.
11911 (place_field): Ditto.
11912 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
11915 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
11917 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
11918 (debug_flow_info): Pass it.
11919 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
11920 * bb-reorder.c (reorder_basic_blocks): Likewise.
11921 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
11922 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
11923 * flow.c (life_analysis, recompute_reg_usage): Likewise.
11924 * gcse.c (gcse_main, bypass_jumps): Likewise.
11925 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
11926 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
11927 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
11928 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
11929 * rtl.h (dump_flow_info): Adjust prototype.
11930 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
11931 * var-tracking.c (variable_tracking_main): Likewise.
11932 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
11933 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
11936 2006-02-15 Marcin Dalecki <martin@dalecki.de>
11938 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
11941 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
11943 PR tree-optimization/26209
11944 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
11945 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
11947 * tree-cfg.c (replace_uses_by): Do not alter cfg.
11949 2006-02-14 Roger Sayle <roger@eyesopen.com>
11951 PR middle-end/23670
11952 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
11953 (X,Y) and the corresponding symmetry related transformations.
11954 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
11955 (X,Y) and its symmetry related transformations.
11957 2006-02-14 Roger Sayle <roger@eyesopen.com>
11959 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
11962 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
11964 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
11966 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11969 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
11970 support COMDAT group.
11971 * configure: Regenerate.
11973 2006-02-14 Roger Sayle <roger@eyesopen.com>
11975 PR middle-end/26279
11976 PR middle-end/26280
11977 PR middle-end/26283
11978 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
11980 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
11982 Fix PR tree-optimization/26260
11984 * doc/invoke.texi (max-fields-for-field-sensitive): Document
11986 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
11987 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
11988 * tree-ssa-structalias.c (create_variable_info_for): Use
11989 MAX_FIELDS_FOR_FIELD_SENSITIVE.
11991 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
11993 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
11995 * tree-ssa-loop-niter.c (number_of_iterations_ne,
11996 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
11997 of the ending condition.
11998 * tree-ssa-loop-manip.c: Include params.h.
11999 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
12000 tree_unroll_loop): New functions.
12001 * tree-pass.h (pass_loop_prefetch): Declare.
12002 * loop.c (rest_of_handle_loop_optimize): Test for
12003 -fprefetch-loop-arrays-rtl.
12004 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
12005 * timevar.def (TV_TREE_PREFETCH): New timevar.
12006 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
12007 pass_loop_prefetch): New.
12008 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
12009 (cleanup_tree_cfg_loop): Call scev_reset.
12010 * common.opt (fprefetch-loop-arrays-rtl): Add.
12011 * tree-ssa-loop-prefetch.c: New file.
12012 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
12013 (new_temp_expr_table): Initialize expr_vars.
12014 (free_temp_expr_table): Cleanup expr_vars.
12015 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
12016 expressions from being merged into one.
12017 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
12018 (struct tree_niter_desc): Add control, bound and cmp fields.
12019 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
12021 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
12022 (tree-cfgcleanup.o): Add SCEV_H dependency.
12023 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
12024 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
12026 2006-02-14 Richard Guenther <rguenther@suse.de>
12028 PR tree-optimization/26258
12029 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
12030 in PHI argument processing.
12032 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
12034 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
12035 new expression in the requested machine mode.
12037 2006-02-13 Roger Sayle <roger@eyesopen.com>
12039 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
12040 directly, instead let do_compare_rtx_and_jump handle this for us.
12041 * expr.c (expand_expr_real_1): Likewise.
12042 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
12043 before do_jump_by_parts_greater.
12044 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
12045 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
12047 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12049 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
12051 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12053 PR rtl-optimization/26235
12054 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
12055 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
12058 2006-02-13 Jeff Law <law@redhat.com>
12060 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
12063 2006-02-13 Jakub Jelinek <jakub@redhat.com>
12065 PR middle-end/26092
12066 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
12067 twice if decl is a builtin. When trying again, call get_callee_fndecl
12068 first to verify it is still a builtin.
12070 2006-02-13 Geoffrey Keating <geoffk@apple.com>
12072 * dwarf2out.c (base_type_die): Don't add AT_name here.
12073 (subrange_type_die): Don't add AT_name here.
12074 (modified_type_die): Rearrange code flow. Do add AT_name here.
12076 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12078 PR rtl-optimization/26247
12079 PR rtl-optimization/26248
12080 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
12082 2006-02-13 Richard Sandiford <richard@codesourcery.com>
12084 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
12085 * config/fixtfdi.c: Likewise.
12086 * config/fixunstfdi.c: Likewise.
12087 * config/floatditf.c: Likewise.
12089 2006-02-13 Roger Sayle <roger@eyesopen.com>
12091 PR middle-end/24427
12092 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
12093 into (X,C2) if C1 is a subset of the bits of C2. Transform
12094 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
12096 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
12098 2006-02-13 Josh Conner <jconner@apple.com>
12101 * varasm.c (function_section): Check for section name before
12102 calling select_section on targets that define
12103 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
12104 unlikely_text_section instead of hot_function_section if
12105 first_function_block_is_cold.
12107 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
12109 PR middle-end/25335
12110 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
12112 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12114 PR rtl-optimization/26222
12115 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
12116 after tree->rtl expansion.
12117 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
12118 before passing it to emit_move_insn.
12120 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
12122 * doc/invoke.texi (-Write-strings): Document that it is enabled by
12124 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
12125 Clarify documentation.
12126 * c-common.h (warn_write_strings): Remove.
12127 * c-common.c (warn_write_strings): Likewise.
12128 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
12131 2006-02-12 Roger Sayle <roger@eyesopen.com>
12133 PR middle-end/25724
12134 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
12135 (do_jump_parts_zero_rtx): New function renamed from
12136 do_jump_parts_equality_rtx. Made static. Add a mode argument.
12137 (do_jump_parts_equality_rtx): New function split out from
12138 do_jump_parts_equality. Old implementation renamed as above.
12139 Call do_jump_parts_zero_rtx if either operand is zero.
12140 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
12141 do all of the heavy lifting.
12142 (do_compare_rtx_and_jump): Handle multi-word comparisons by
12143 calling either do_jump_by_parts_greater_rtx or
12144 do_jump_by_parts_equality_rtx.
12145 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
12146 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
12147 moved to do_compare_rtx_and_jump, call it directly.
12148 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
12149 mode argument. Call do_compare_rtx_and_jump.
12150 (emit_case_nodes): Update calls to do_jump_if_equal.
12152 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12154 PR rtl-optimization/26225
12155 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
12157 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12159 PR rtl-optimization/26232
12160 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
12162 2006-02-11 Jason Merrill <jason@redhat.com>
12165 * tree-inline.c (declare_return_variable): Just don't use the
12166 modify target if it's a gimple complex reg and the return slot
12169 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12171 * doc/contrib.texi: Update my entry.
12173 2006-02-10 Geoffrey Keating <geoffk@apple.com>
12175 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
12177 2006-02-10 Diego Novillo <dnovillo@redhat.com>
12179 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
12182 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
12184 * doc/invoke.texi (-floop-optimize2): Removed.
12185 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
12186 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
12187 Test flag_branch_on_count_reg only if HAVE_doloop_end.
12188 * common.opt (floop-optimize2): Removed.
12189 (fmove-loop-invariants): Enabled by default.
12191 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
12193 * tree-if-conv.c (combine_blocks): Free the result of
12194 get_loop_exit_edges.
12196 2006-02-10 Jeff Law <law@redhat.com>
12198 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
12200 PR tree-optimization/26213
12201 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
12202 loop trying to follow SSA_NAME_VALUE chains.
12204 2006-02-10 Richard Guenther <rguenther@suse.de>
12206 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
12207 deal with structures that end in implicitly variable sized arrays.
12209 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12211 PR rtl-optimization/24762
12212 * df-scan.c (df_bb_refs_record): Record correct registers defined on
12215 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12217 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
12218 (struct ivopts_data): Add regs_used field.
12219 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
12220 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
12221 instead of loop_data->regs_used;
12222 (free_loop_data): Do not free aux fields for loops.
12223 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
12224 and tree_ssa_iv_optimize_finalize.
12226 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
12228 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
12230 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12233 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
12234 computing the effective result type.
12236 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12238 PR inline-asm/16194
12239 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
12240 (tree_overlaps_hard_reg_set): Declare.
12241 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
12242 type and signature to match function type expected by walk_tree.
12243 (tree_overlaps_hard_reg_set): New function.
12244 (decl_conflicts_with_clobbers_p): Rename to:
12245 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
12246 Use tree_overlaps_hard_reg_set. Changed caller.
12247 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
12248 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
12249 * cris.c (cris_md_asm_clobbers): Likewise.
12251 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
12253 * reload1.c (emit_input_reload_insns): Delete code that tries to
12254 inherit using find_equiv_reg.
12256 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
12258 * c-common.h (flag_const_strings): Don't declare.
12259 * c-common.c (flag_const_strings): Remove.
12260 * c.opt (fconst_strings): Remove.
12261 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
12262 <OPT_Wwrite_strings>: Don't set flag_const_strings.
12263 (c_common_init_options): Don't set flag_const_strings.
12264 * doc/invoke.texi (-fno-const-strings): Remove documentation.
12266 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
12268 * arm.md (tlobits_cbranch): New pattern.
12269 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
12270 testing a single bit.
12272 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12275 * tree-ssa-pre.c (create_component_ref_by_pieces):
12276 Handle RETURN_DECL like VAR_DECL.
12278 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12280 PR middle-end/26134
12281 * fold-const.c (fold_indirect_ref_1): Fold
12282 "*(foo *)&complexfoo" to "__real__ complexfoo"
12283 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
12285 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12287 * tree-flow-inline.h (var_can_have_subvars):
12288 Volatile variables should not have subvariables.
12290 2006-02-09 Diego Novillo <dnovillo@redhat.com>
12293 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
12294 multiplying unsigned values.
12297 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
12299 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
12301 2006-02-08 Jason Merrill <jason@redhat.com>
12304 * tree.def: Elaborate on difference from MODIFY_EXPR.
12305 * doc/c-tree.texi (INIT_EXPR): Likewise.
12306 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
12307 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
12308 (gimplify_target_expr): Likewise.
12309 (gimplify_cond_expr): Remove target handling.
12310 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
12311 (gimplify_expr): Clobber it here.
12312 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
12313 Do return slot optimization if we have an INIT_EXPR.
12316 * tree-inline.c (declare_return_variable): Also clear
12317 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
12320 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
12322 PR middle-end/22439
12323 * gimplify.c (gimplify_one_sizepos): Fix typo.
12325 2006-02-08 Jeff Law <law@redhat.com>
12327 PR tree-optimization/21417
12328 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
12329 across a backedge if the control statement at the end of the
12330 block is data dependent on other statements in the same block.
12331 (record_temporary_equivalences_from_stmts): Remove over-conservative
12332 test for threading across backedges.
12334 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
12335 control statement, handle all three special cases in the same
12336 manner as they all have the same desired solution. No longer
12337 special case edge flag updating when the post dominator is
12340 2006-02-08 Roger Sayle <roger@eyesopen.com>
12342 * tree.def (CHAR_TYPE): Remove.
12343 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
12344 * dwarf2out.c (base_type_die, is_base_type): Likewise.
12345 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
12346 (gen_string_type_die): Delete unreachable function.
12348 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
12349 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
12350 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
12351 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
12352 * builtins.c (type_to_class): Likewise.
12353 * fold-const.c (fold_convert, build_range_check,
12354 merge_ranges): Likewise.
12355 * expr.c (count_type_elements): Likewise.
12356 * c-pretty-print.c (pp_c_type_specifier): Likewise.
12357 * stor-layout.c (layout_type): Likewise.
12358 * ipa-type-escape.c (type_to_consider): Likewise.
12359 * gimplify.c (omp_firstprivatize_type_sizes,
12360 gimplify_type_sizes): Likewise.
12361 * explow.c (promote_mode): Likewise.
12362 * tree-sra.c (is_sra_scalar_type): Likewise.
12363 * varasm.c (output_constant): Likewise.
12364 * tree-inline.c (remap_type_1): Likewise.
12365 * convert.c (convert_to_pointer, convert_to_real,
12366 convert_to_integer, convert_to_complex): Likewise.
12368 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
12370 * df-scan.c (df_def_record_1): A set destination may
12371 be a parallel regardless of mode.
12373 2006-02-08 Roger Sayle <roger@eyesopen.com>
12376 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
12377 * config/mips/_tilib.c: Remove.
12378 * config/fixtfdi.c: New libgcc source file.
12379 * config/fixunstfdi.c: New source file.
12380 * config/floatditf.c: New source file.
12381 * config/floatunditf.c: New souce file.
12382 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
12383 files above instead of config/mips/_tilib.c.
12384 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
12386 2006-02-08 Jeff Law <law@redhat.com>
12388 PR tree-optimization/26169
12389 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
12392 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
12394 * df.h (DF_REG_SIZE): Return the length of the initialized
12397 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
12399 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
12400 __muldf3): Return a correctly signed zero.
12402 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
12404 * passes.c (register_one_dump_file): Accept the current properties
12405 instead of pass number. Adjust call to dump_register. Remove
12407 (register_dump_files): Now a wrapper around...
12408 (register_dump_files_1): ... this one. Do not modify the pass
12410 (next_pass_1): Cosmetic fix.
12411 (execute_todo): Keep second parameter only. Use curr_properties
12412 instead of fetching it from the pass structure. Check and set
12414 (execute_one_pass): Handle TODO_set_props. Use curr_properties
12415 instead of fetching it from the pass structure. Fix calls to
12416 execute_todo. Update curr_properties and initialize .vcg RTL dump
12417 after running the pass. Reset last_verified.
12418 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
12420 (FIRST_AUTO_NUMBERED_DUMP): New.
12421 (dump_register): Remove "num" parameter, assign it within the
12423 (get_dump_file_name): Modify template for dumps.
12424 * tree-dump.h (dump_register): Adjust prototype.
12425 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
12426 (PROP_trees): Add PROP_gimple_lomp.
12427 (TODO_set_props): New.
12428 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
12429 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
12430 * cfgexpand.c (pass_expand): Destroy PROP_trees.
12432 2006-02-08 Jakub Jelinek <jakub@redhat.com>
12434 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
12435 (sparc64-*-linux*): Likewise.
12436 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
12437 * config/sparc/t-linux: New file.
12438 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
12439 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
12440 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
12441 -m32 -mlong-double-128.
12443 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
12444 * config/alpha/t-linux: New file.
12445 * config/alpha/libgcc-alpha-ldbl.ver: New file.
12447 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
12448 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
12449 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
12450 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
12451 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
12452 (CPP_ARCH32_SPEC): Remove.
12454 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
12456 PR tree-optimization/26145
12457 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
12460 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12463 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
12464 >= 240000 when generating code for SOM runtime.
12465 (output_indirect_call): Don't use "b,l" instruction for indirect calls
12466 to $$dyncall when generating code for SOM runtime..
12468 2006-02-07 Dirk Mueller <dmueller@suse.com>
12471 * doc/invoke.texi (-Wsequence-point): Update documentation
12472 that -Wsequence-point is implemented for C++ as well.
12474 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12476 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
12477 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
12478 (LIB_SPEC): Likewise.
12479 * doc/invoke.texi (SPARC options): Document -pthread.
12481 2006-02-07 Geoffrey Keating <geoffk@apple.com>
12483 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
12486 2006-02-07 Roger Sayle <roger@eyesopen.com>
12488 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
12489 Correct comment describing BOOLEAN_TYPE.
12491 2006-02-07 Dirk Mueller <dmueller@suse.com>
12493 * c.opt: C++ frontend supports -Wdiv-by-zero.
12494 * c-opts.c (c_common_handle_option): Remove dead case.
12496 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12498 * configure.ac (TLS assembler check): Do not enable TLS by
12499 default on SPARC/Solaris before version 10.
12500 * configure: Regenerate.
12502 2006-02-07 David Edelsohn <edelsohn@gnu.org>
12504 * doc/invoke.texi (xl-compat): Document conversion and support
12507 2006-02-07 Jeff Law <law@redhat.com>
12509 * tree-vrp.c (find_conditional_asserts): Update comments.
12510 (simplify_stmt_for_jump_threading): New.
12511 (identify_jump_threads, finalize_jump_threads): New.
12512 (vrp_finalize): Call identify_jump_threads.
12513 (execute_vrp): Call finalize_jump_threads.
12514 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
12515 (vrp_element, vrp_data, vrp_element_p): Remove.
12516 (vrp_hash_elt, vrp_variables_stack): Remove.
12517 (vrp_hash, vrp_eq, record_range): Remove.
12518 (simplify_cond_and_lookup_avail_expr): Remove.
12519 (extract_range_from_cond): Remove.
12520 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
12521 (simplify_stmt_for_jump_threading): New.
12522 (dom_thread_across_edge): New wrapper.
12523 (tree_ssa_dominator_optimize): No longer initialize or
12524 finalize any of the VRP datastructures. Remove iteration
12525 step and simplify as a result of removal of iteration step.
12526 (pass_dominator): Perform a cfg cleanup after DOM.
12527 (dom_opt_finalize_block): Use the new common routines
12528 for threading jumps. Simplify stack management slightly.
12529 No longer need to unwind VRP state.
12530 (record_equivalences_from_incoming_edge): No longer record
12532 (eliminate_redundant_computations): No longer call
12533 simplify_cond_and_lookup_avail_expr.
12534 * tree-flow.h (potentially_threadable_block): Prototype.
12535 (thread_across_edge): Likewise.
12536 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
12537 (tree-ssa-threadedge.o): Add dependencies.
12538 * tree-ssa-threadedge.c: New file.
12539 * passes.c (init_optimization_passes): Merge PHIs before
12540 calling VRP. Run VRP again late in the SSA optimization pipeline.
12542 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12544 * df-core.c (df_set_blocks): Do not dereference function pointers.
12545 (df_finish1): Likewise.
12546 (df_hybrid_search_forward): Likewise.
12547 (df_hybrid_search_backward): Likewise.
12548 (df_iterative_dataflow): Likewise.
12549 (df_analyze_problem): Likewise.
12550 (df_compact_blocks): Likewise.
12551 (df_dump): Likewise.
12552 * df-scan.c (df_rescan_blocks): Likewise.
12553 (df_record_entry_block_defs): Likewise.
12555 * genconditions.c (write_conditions): Guard the definition of
12556 'insn_conditions' with the check on GCC version.
12557 (write_writer): Guard the traversal 'insn_conditions' with
12558 the check on GCC version.
12560 2006-02-07 Richard Guenther <rguenther@suse.de>
12564 2006-01-30 Richard Guenther <rguenther@suse.de>
12566 * gimplify.c (gimplify_target_expr): Handle easy cases
12567 without creating a temporary.
12569 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
12571 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
12572 use of float in probability computations. Use edge probabilities
12573 in place of statically computed probabilities.
12574 (min_spec_prob): New static variable.
12575 (schedule_insns): Initialize it.
12576 (GET_SRC_PROB): Removed.
12577 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
12579 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
12582 * config/ia64/unwind-ia64.c: Revert last change.
12583 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
12584 (INCOMING_FRAME_SP_OFFSET): Define.
12586 2006-02-06 Roger Sayle <roger@eyesopen.com>
12588 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
12590 2006-02-07 Ben Elliston <bje@au.ibm.com>
12592 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
12593 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
12594 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
12595 (ix86_return_in_memory): Handle TDmode.
12596 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
12597 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
12599 2006-02-06 Richard Sandiford <richard@codesourcery.com>
12601 * reorg.c (dbr_schedule): Use dump_file instead of file.
12603 2006-02-06 Steve Ellcey <sje@cup.hp.com>
12606 * config/ia64/predicates.md (extr_len_operand): New predicate.
12607 * config/ia64/ia64.md (extv): Tighten constraints.
12609 (*tbit_and_2): Ditto.
12610 (*tbit_and_3): Ditto.
12611 (*tbit_or_2): Ditto.
12612 (*tbit_or_3): Ditto.
12613 (*bit_zero): Ditto.
12616 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
12619 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
12621 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
12623 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
12624 loop_optimizer_init and loop_optimizer_finalize
12625 * tree-ssa-sink.c (execute_sink_code): Ditto.
12626 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12627 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
12628 tree_ssa_loop_done): Ditto.
12629 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
12630 * sched-ebb.c: Include output.h.
12631 (schedule_ebbs): Do not use dump argument.
12632 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
12633 * loop.c (loop_dump_stream): Removed.
12634 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
12636 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
12637 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
12638 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
12639 loop_iterations, strength_reduce, record_biv, record_giv,
12640 final_giv_value, check_final_value, check_ext_dependent_givs,
12641 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
12642 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
12643 dump_file instead of loop_dump_stream.
12644 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
12645 argument dump_file.
12646 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
12648 * flow.c (life_analysis, rest_of_handle_life): Ditto.
12649 * haifa-sched.c: Include output.h
12650 (schedule_insns, sched_init): Do not use dump argument.
12651 * mode-switching.c (optimize_mode_switching): Ditto.
12652 * modulo-sched.c (stats_file): Removed.
12653 (print_node_sched_params): Do not call argument dump_file.
12654 (sms_schedule_by_order, loop_canon_p, sms_schedule,
12655 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
12657 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
12659 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
12660 rtl_loop_init, rtl_loop_done): Ditto.
12661 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
12662 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
12664 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
12665 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
12666 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
12667 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
12668 * emit-rtl.c (renumber_insns): Ditto.
12669 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
12670 expand_gimple_basic_block, tree_expand_cfg): Ditto.
12671 * regclass.c (regclass): Ditto.
12672 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
12673 remove_ssa_form, rewrite_out_of_ssa): Ditto.
12674 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
12675 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
12677 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
12678 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
12680 * gcse.c (gcse_file, debug_stderr): Removed.
12681 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
12682 rest_of_handle_gcse): Do not use dump argument.
12683 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
12684 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
12685 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
12686 compute_code_hoist_vbeinout, compute_code_hoist_data,
12687 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
12688 compute_store_table, build_store_vectors, insert_insn_start_bb,
12689 insert_store, remove_reachable_equiv_notes, replace_store_insn,
12690 store_motion): Use dump_file instead of gcse_file.
12691 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
12692 * profile.c (profile_dump_file): Removed.
12693 (branch_prob): Use dump_file instead of profile_dump_file.
12694 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
12696 * tree-ssa-copy.c (dump_copy_of): Ditto.
12697 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
12698 dump file to life_analysis.
12699 * bt-load.c (branch_target_load_optimize): Ditto.
12700 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
12702 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
12703 regclass, dbr_schedule): Declaration changed.
12704 * sched-int.h (sched_init): Declaration changed.
12705 * tree-profile.c (tree_profile_dump_file): Removed.
12706 (tree_profile_hooks): Removed profile_dump_file hook.
12707 * rtl-profile (rtl_profile_dump_file): Removed.
12708 (rtl_profile_hooks): emoved profile_dump_file hook.
12709 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
12711 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
12712 * tree-cfg.c (build_tree_cfg): Ditto.
12713 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
12714 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
12715 Declaration changed.
12716 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
12717 life_analysis and schedule_insns.
12718 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
12720 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
12722 * config/mips/mips.c (mips_reorg): Ditto.
12723 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
12726 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
12728 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12729 (s390_mangle_fundamental_type): New.
12730 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12733 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12734 (alpha_mangle_fundamental_type): New.
12735 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12738 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12740 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12742 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12743 (sparc_mangle_fundamental_type): New.
12745 2006-02-06 Jakub Jelinek <jakub@redhat.com>
12747 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
12748 (s390x-*-linux*): Likewise.
12749 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
12750 * config/s390/t-linux: New file.
12752 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
12754 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
12755 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
12757 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
12759 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
12760 (ANTIC_SAFE_LOADS): New macro.
12761 (find_or_generate_expression): Add prototype.
12762 (set_contains_value): Allow null set for sake of not always having
12763 to allocate ANTIC_SAFE_LOADS.
12764 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
12765 Allow COMPONENT_REF too.
12766 (valid_in_set): Allow COMPONENT_REF.
12767 Check ANTIC_SAFE_LOADS too.
12768 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
12769 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
12771 (can_PRE_operation): Add COMPONENT_REF.
12772 (create_component_ref_by_pieces): New function.
12773 (create_expression_by_pieces): Use create_component_ref_by_pieces.
12774 (insert_aux): Move AGGREGATE_TYPE_P check here.
12775 (compute_avail): Set bb local stmt uids.
12776 (pass_pre): Use TODO_update_ssa_only_virtuals.
12778 2006-02-06 Ben Elliston <bje@au.ibm.com>
12780 * configure.ac: Unconditionally disable decimal float by default.
12781 * configure: Regenerate.
12783 2006-02-06 Ben Elliston <bje@au.ibm.com>
12785 * read-rtl.c (read_name): Terminate reading on EOF.
12787 2006-02-06 Ben Elliston <bje@au.ibm.com>
12789 * dfp.c (decimal_real_arithmetic): Change second argument type
12790 from int to enum tree_code. Do not always return true, but now
12791 return result of any call to decimal_do helper functions.
12792 * dfp.h (decimal_real_arithmetic): Update prototype.
12794 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
12796 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
12798 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
12801 * tree-cfg.c (cleanup_dead_labels): Also don't remove
12804 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12806 * tree-vrp.c (cfg_loops): Removed.
12807 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
12808 Use current_loops instead of cfg_loops. Pass flags to
12809 loop_optimizer_init.
12810 * cfgloopmanip.c (fix_loop_structure): Update only available
12812 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
12813 loop_optimizer_init.
12814 * modulo-sched.c (build_loops_structure): Removed.
12815 (sms_schedule): Use loop_optimizer_init.
12816 * loop-init.c (loop_optimizer_init): Use flags to determine
12817 which properties of loops to prepare.
12818 (rtl_loop_init): Pass flags to loop_optimizer_init.
12819 * tree-ssa-sink.c (execute_sink_code): Ditto.
12820 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
12821 * tree-ssa-pre.c (init_pre): Ditto.
12822 * cfgloop.h (LOOPS_NORMAL): New.
12823 (loop_optimizer_init): Declaration changed.
12825 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12827 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
12828 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
12830 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
12832 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
12834 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
12835 * pa/t-pa64: Delete quadlib.c rule.
12836 * pa/x-ada: Revert last change.
12837 * pa/t-pa: Revert last change. Delete quadlib.c rule.
12839 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12841 PR rtl-optimization/26087
12842 * rtlanal.c (canonicalize_condition): Do not cross basic block
12845 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
12848 * config/ia64/ia64.c: Include debug.h.
12849 (MAX_ARTIFICIAL_LABEL_BYTES): New.
12850 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
12851 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
12852 (process_epilogue, process_set, process_for_unwind_directive):
12853 Output unwind info only if requested. Add CFA info if requested.
12854 Add new arguments as needed. Adjust callers.
12855 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
12857 (DWARF2_FRAME_INFO): Define to zero.
12858 * config/ia64/unwind-ia64.c: Remove code that compensated for
12859 the CFA offset error fixed above.
12860 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
12861 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
12862 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
12863 -funwind-tables and -fexceptions to enable frame info.
12864 (dwarf2out_frame_init): Define initial CFA even if
12865 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
12866 DWARF2_UNWIND_INFO is nonzero, not just defined.
12867 (dwarf2out_frame_finish): Output non-EH call frame info only
12868 if DWARF2_FRAME_INFO is nonzero.
12869 (convert_cfa_to_loc_list,
12870 compute_frame_pointer_to_cfa_displacement): Define even if
12871 unwind info is not supported.
12872 (gen_subprogram_die): Use the above unconditionally. Remove
12873 legacy alternate code.
12874 * toplev.c (compile_file): Compile in call to
12875 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
12876 (lang_dependent_init): Ditto for dwarf2out_frame_init.
12878 2006-02-04 David Edelsohn <edelsohn@gnu.org>
12879 Jakub Jelinek <jakub@redhat.com>
12881 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
12882 IBM extended float format long double as "g" on powerpc*-linux.
12884 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12887 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
12888 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
12890 2006-02-03 Jason Merrill <jason@redhat.com>
12893 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
12895 PR middle-end/25977
12896 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
12897 on the return slot if it's an NRV.
12899 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
12901 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
12902 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
12903 rewrite_use): Do not handle USE_OUTER.
12904 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
12905 add_iv_outer_candidates, may_replace_final_value,
12906 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
12907 (find_interesting_uses_op): Functionality of
12908 find_interesting_uses_outer_or_nonlin moved here.
12909 (find_interesting_uses_outside): Use find_interesting_uses_op.
12911 2006-02-03 Alan Modra <amodra@bigpond.net.au>
12914 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
12916 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
12917 Ulrich Weigand <uweigand@de.ibm.com>
12920 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
12921 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
12922 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
12923 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
12925 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
12926 (s390_rtx_costs): Use the new fields to calculate rtx costs.
12927 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
12928 Define secondary reloads for TFmode moves.
12929 (constant_modes): Add TFmode.
12930 (NR_C_MODES): Set to 8.
12931 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
12933 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
12934 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
12935 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
12936 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
12937 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
12938 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
12939 (FPR mode macro): Add TFmode.
12940 (DSF mode macro): New.
12941 (<de>, <dee> mode attributes): Removed.
12942 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
12943 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
12944 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
12945 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
12946 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
12947 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
12948 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
12949 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
12950 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
12951 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
12952 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
12953 "*negabs<mode>2", "sqrt<mode>2"):
12954 Changed <de> to <xde>. R constraint replaced by <Rf>.
12955 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
12957 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
12958 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
12959 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
12961 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
12962 "extenddftf2", "extendsftf2"): New expanders.
12963 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
12964 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
12965 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
12966 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
12968 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
12969 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
12970 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
12971 __floatditf): Add a GCC_4.1.0 symbol version tag.
12972 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
12975 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
12978 * config/i386/i386.c (ix86_function_ok_for_sibcall):
12979 Use targetm.binds_local_p instead of TREE_PUBLIC.
12981 2006-02-02 Roger Sayle <roger@eyesopen.com>
12983 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
12984 on INTEGER_TYPEs to indicate that it denotes a character type.
12985 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
12986 signed_char_type_node, unsigned_char_type_node and char_type_node.
12987 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
12988 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
12989 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
12991 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
12992 Daniel Berlin <dberlin@dberlin.org>
12994 * tree-tailcall.c (arg_needs_copy_p): New function.
12995 (eliminate_tail_call): Use arg_needs_copy_p.
12996 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
12997 (add_virtual_phis): New function.
12999 2006-02-02 Jakub Jelinek <jakub@redhat.com>
13001 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
13002 #ignore instead of #scratch for %g7 .register directive.
13004 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
13006 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
13009 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13011 * flow.c (calculate_global_regs_live): Assert that there aren't any
13014 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
13016 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
13017 what its name says.
13018 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
13019 bsi_after_labels iterator.
13020 * tree-if-conv.c (find_phi_replacement_condition,
13021 replace_phi_with_cond_modify_expr): Likewise.
13022 * tree-scalar-evolution.c (scev_const_prop): Likewise.
13023 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
13025 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13027 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
13029 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13032 * tree-cfg.c (move_block_to_fn): Clear out the basic block
13033 array after growing it.
13035 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13037 PR middle-end/24901
13038 * fold-const.c (fold_checksum_tree): Change type of buf.
13040 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
13042 * reload.c (push_secondary_reload): Initialize t_icode.
13044 2006-02-01 Jakub Jelinek <jakub@redhat.com>
13046 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
13047 -msoft-float -mlong-double-128 only issue a warning, but don't
13048 swich to DFmode long double.
13050 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
13052 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
13053 has a constant equivalent, iterate over equivalents for arg0,
13054 calling simplify_relational_operation and if there's a result
13055 cheaper than X, apply fold_rtx and return the result.
13057 2006-02-01 Jan Hubicka <jh@suse.cz>
13059 * opts.c (no_unit_at_a_time_default): New global variable.
13060 (decode_options): Use it.
13061 * opts.h (no_unit_at_a_time_default): Declare.
13063 2006-02-01 Paul Brook <paul@codesourcery.com>
13065 * function.c (assign_parm_setup_reg): Use function argument promotion
13067 * expr.c (expand_expr_real_1): Use function argument promotion rules
13070 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13072 * gcc.c (process_command): Change j to 'unsigned int'.
13074 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13076 PR middle-end/26001
13077 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
13078 Use the corrected index for the character
13079 out of the string constant.
13081 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13083 * mode-switching.c (optimize_mode_switching): Fix size
13084 allocated for bb_info[n_entities].
13086 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13088 * gcc.c (main): Correct type that is allocated for
13089 explicit_link_files.
13091 2006-01-31 Jakub Jelinek <jakub@redhat.com>
13093 * config/s390/s390.c (init_alignment_context): Set
13094 ALIAS_SET_MEMORY_BARRIER on the MEM.
13095 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
13097 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
13099 PR middle-end/25933
13100 * loop-unroll.c (unroll_loop_runtime_iterations): Free
13102 * tree-ssa-live.c (type_var_init): Allocate bitmap after
13105 2006-01-31 Marcin Dalecki <martin@dalecki.de>
13107 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
13108 * regrename.c: Ditto.
13109 * tree-ssa-loop-im.c: Ditto.
13110 * tree-dump.c: Ditto.
13111 * tree-complex.c: Ditto.
13112 * genrecog.c: Ditto.
13113 * tree-ssa-threadupdate.c: Ditto.
13115 * java/class.c: Ditto.
13116 * java/jcf-parse.c: Ditto.
13117 * java/resource.c: Ditto.
13118 * java/except.c: Ditto.
13119 * java/jvspec.c: Ditto.
13120 * java/jcf-write.c: Ditto.
13121 * java/jcf-path.c: Ditto.
13122 * java/gjavah.c: Ditto.
13123 * java/zextract.c: Ditto.
13124 * java/jcf-io.c: Ditto.
13125 * java/jcf.h: Ditto.
13126 * java/buffer.c: Ditto.
13127 * java/lang.c: Ditto.
13128 * java/parse-scan.y: Ditto.
13129 * java/lex.c: Ditto.
13130 * java/lex.h: Ditto.
13131 * cfgloopmanip.c: Ditto.
13132 * postreload-gcse.c: Ditto.
13133 * tree-ssa-loop-manip.c: Ditto.
13134 * postreload.c: Ditto.
13135 * tree-ssa-loop-ch.c: Ditto.
13138 * cppspec.c: Ditto.
13139 * diagnostic.c: Ditto.
13141 * genoutput.c: Ditto.
13143 * cfghooks.c: Ditto.
13144 * cfgloopanal.c: Ditto.
13145 * objc/objc-act.c: Ditto.
13147 * genextract.c: Ditto.
13148 * genautomata.c: Ditto.
13149 * pretty-print.c: Ditto.
13150 * genemit.c: Ditto.
13151 * cgraphunit.c: Ditto.
13153 * df-scan.c: Ditto.
13154 * haifa-sched.c: Ditto.
13155 * dominance.c: Ditto.
13157 * tree-ssa-loop-ivopts.c: Ditto.
13158 * df-core.c: Ditto.
13159 * mode-switching.c: Ditto.
13160 * modulo-sched.c: Ditto.
13162 * ipa-pure-const.c: Ditto.
13164 * fix-header.c: Ditto.
13166 * tree-stdarg.c: Ditto.
13167 * ipa-utils.c: Ditto.
13168 * loop-init.c: Ditto.
13169 * ipa-inline.c: Ditto.
13170 * cfganal.c: Ditto.
13172 * alloc-pool.c: Ditto.
13173 * dwarf2out.c: Ditto.
13175 * genattrtab.c: Ditto.
13176 * tree-ssa-loop-ivcanon.c: Ditto.
13177 * predict.c: Ditto.
13178 * timevar.c: Ditto.
13180 * fortran/gfortranspec.c: Ditto.
13181 * regmove.c: Ditto.
13182 * local-alloc.c: Ditto.
13183 * langhooks.c: Ditto.
13184 * function.c: Ditto.
13185 * tree-vectorizer.c: Ditto.
13187 * ipa-type-escape.c: Ditto.
13189 * tree-if-conv.c: Ditto.
13190 * profile.c: Ditto.
13192 * tree-data-ref.c: Ditto.
13193 * loop-unroll.c: Ditto.
13194 * treelang/treetree.c: Ditto.
13196 * bt-load.c: Ditto.
13197 * ggc-common.c: Ditto.
13199 * coverage.c: Ditto.
13201 * tree-cfgcleanup.c: Ditto.
13202 * tree-ssa-pre.c: Ditto.
13203 * cfgcleanup.c: Ditto.
13204 * loop-invariant.c: Ditto.
13205 * loop-iv.c: Ditto.
13206 * ipa-prop.c: Ditto.
13207 * print-tree.c: Ditto.
13208 * conflict.c: Ditto.
13209 * ggc-page.c: Ditto.
13210 * sched-deps.c: Ditto.
13211 * regclass.c: Ditto.
13212 * tree-object-size.c: Ditto.
13213 * combine.c: Ditto.
13214 * bb-reorder.c: Ditto.
13215 * resource.c: Ditto.
13216 * var-tracking.c: Ditto.
13217 * cfgloop.c: Ditto.
13218 * df-problems.c: Ditto.
13219 * reg-stack.c: Ditto.
13221 * gccspec.c: Ditto.
13222 * sched-rgn.c: Ditto.
13223 * tree-ssa-structalias.c: Ditto.
13224 * tree-ssa-reassoc.c: Ditto.
13225 * config/darwin-c.c: Ditto.
13226 * config/darwin.c: Ditto.
13227 * config/arm/arm.c: Ditto.
13229 * collect2.c: Ditto.
13230 * reload1.c: Ditto.
13232 2006-01-31 Nicolas Pitre <nico@cam.org>
13234 * arm.md (smaxsi3): Make aware of smax_m1.
13237 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
13239 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
13241 2006-01-31 Richard Guenther <rguenther@suse.de>
13243 * doc/invoke.texi (-msselibm): Document.
13244 * target.h (expand_library_builtin): New target hook.
13245 * builtins.c (expand_builtin): Use expand_library_builtin.
13246 (default_expand_library_builtin): New function.
13247 * gcc.c (LINK_GCC_MATH_SPEC): Define.
13248 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
13249 (link_gcc_math_spec): Declare.
13250 (static_specs): Add link_gcc_math_spec.
13251 * expr.h (default_expand_library_builtin): Declare.
13252 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13253 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
13254 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
13255 * config/i386/i386.opt (msselibm): New target option.
13256 * config/i386/i386.c (ix86_builtin_function_variants): New array.
13257 (ix86_init_sse_abi_builtins): New function.
13258 (ix86_expand_library_builtin): Likewise.
13259 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13260 (override_options): Handle error conditions wrt -msselibm.
13261 (ix86_builtins): Add function codes for SSE2 ABI builtins.
13262 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
13263 * doc/extend.texi (__builtin_sse2_*): Document new target specific
13266 2006-01-31 Richard Guenther <rguenther@suse.de>
13267 Paolo Bonzini <bonzini@gnu.org>
13269 * doc/install.texi (--disable-libgcc-math): Document.
13271 2006-01-30 Marcin Dalecki <martin@dalecki.de>
13273 * expr.h (expand_normal): new inline function.
13274 * builtins.c: use it, use EXPAND_NORMAL explicitely.
13275 * dojump.c: use it.
13276 * dwarf2out.c: use it.
13279 * expmed.c: use it.
13280 * except.c: use it.
13281 * config/sparc/sparc.c: use it.
13282 * config/i386/i386.c: use it.
13283 * config/rs6000/rs6000.c: use it.
13284 * config/arm/arm.c: use it.
13285 * config/mips/mips.c: use it.
13286 * stmt.c: use it, use EXPAND_NORMAL explicitely.
13288 2006-01-30 Roger Sayle <roger@eyesopen.com>
13290 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
13291 argv to the appropriate type.
13293 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
13295 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
13298 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
13301 * config/s390/s390.c (struct machine_function): New flag
13302 decomposed_literal_pool_addresses_ok_p.
13303 (s390_reorg): Set it before final stage of literal pool transforms.
13304 (s390_decompose_address): Only accept displacements of the form
13305 (minus (label_ref ...) (label_ref ...)) if that flag is set.
13307 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
13309 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
13310 the comparison routine return.
13312 2006-01-30 Michael Matz <matz@suse.de>
13314 * global.c (find_reg): Only evict for global regs.
13315 Take n_refs into account and dump more info.
13317 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
13320 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
13321 (pragma_trap, pragma_nosave_low_regs): Likewise.
13322 (current_function_anonymous_args): Likewise.
13323 (sh_deferred_function_attributes): New variable.
13324 (sh_deferred_function_attributes_tail): Likewise.
13325 (print_operand): For '@', look up trap_exit attribute.
13326 (calc_live_regs): Look up trapa_handler attribute. For trapa
13327 handlers, save/restore fpscr, but don't do any other
13328 interrupt-specific saves.
13329 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
13330 Fix check for partially saved registers to check for SHmedia.
13331 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
13332 (sh_output_function_epilogue): Don't clear any of the removed
13334 (sh_insert_attributes): Don't check pragma_interrupt.
13335 Insert deferred attributes. Check that interrupt attribute is
13336 present for other attributes that require its presence.
13337 (sh_attribute_table): Add new attributes trapa_handler and
13339 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
13340 Don't check for pragma_interrupt. Don't store argument.
13341 * sh.h (pragma_interrupt, sp_switch): Don't declare.
13342 (sh_deferred_function_attributes): Declare.
13343 (sh_deferred_function_attributes_tail): Likewise.
13344 * sh.md (sp_switch_1): Add operand. Change generator caller.
13345 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
13346 (*return_i): Don't use when trap_exit attribute is in effect.
13347 (*return_trapa): New insn pattern.
13348 * sh-c.c: New file.
13349 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
13350 setting c_target_objs and cxx_target_objs.
13351 * t-sh: Add rule for sh-c.o.
13353 2006-01-30 Richard Guenther <rguenther@suse.de>
13356 * gimplify.c (gimplify_target_expr): Handle easy cases
13357 without creating a temporary.
13359 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
13361 * vec.h (safe_grow): Remove duplicated line.
13363 2006-01-29 Diego Novillo <dnovillo@redhat.com>
13366 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
13367 (expand_omp): ... here.
13368 (expand_omp_parallel): Only remove barriers for combined
13369 parallel+workshare constructs.
13371 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
13375 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
13376 * tree.c (build_qualified_type): Chain the new type to the original
13377 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
13378 a POINTER_TYPE or a REFERENCE_TYPE respectively.
13379 (build_pointer_type_for_mode): Only return unqualified types.
13380 (build_reference_type_for_mode): Likewise.
13382 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
13384 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
13385 * Makefile.in (CXX_COMPAT_WARN): Define.
13386 * configure: Regenerate.
13388 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
13391 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
13394 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13396 * toplev.c: Fix thinko.
13398 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13399 Marcin Dalecki <martin@dalecki.de>
13401 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
13402 (push_srcloc): Use XNEW.
13403 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
13405 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
13407 * df-core.c (df_set_blocks): Deleted all variable.
13409 2006-01-28 Ian Lance Taylor <ian@airs.com>
13411 * cgraphunit.c (cgraph_assemble_pending_functions): Call
13412 cgraph_output_pending_asms.
13414 2006-01-28 Zack Weinberg <zackw@panix.com>
13416 * c.opt: Add -W(no-)overlength-strings.
13417 * doc/invoke.texi: Document it.
13418 * c-opts.c (c_common_handle_option): -pedantic implies
13419 -Woverlength-strings, if not explicitly disabled already.
13420 (c_common_post_options): -Woverlength-strings defaults to off, and
13421 is always off for C++.
13422 * c-common.c (fix_string_type): Issue warning about strings longer
13423 than is portable only if warn_overlength_strings. Rearrange code
13424 a little for clarity.
13425 * configure.in: Check for -Wno-overlength-strings as well before
13426 enabling -pedantic in stage 1.
13427 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
13428 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
13430 * genconditions.c (write_header, write_one_condition)
13431 (write_conditions, write_writer): Consolidate very long strings
13432 that were broken up to fit in C89 portable limit. Don't use
13433 printf when fputs will do.
13435 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
13437 * combine.c (simplify_comparison <AND>): Check
13438 TRULY_NOOP_TRUNCATION before start using a subreg.
13440 * config/mips/mips.md (*branch_zero<mode>,
13441 *branch_zero<mode>_inverted, *branch_equality<mode>,
13442 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
13443 Remove mode check from comparisons.
13445 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
13447 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
13449 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13451 * expmed.c (const_mult_add_overflow_p): Remove.
13452 * expr.h: Remove the prototype for const_mult_add_overflow_p.
13454 * recog.c (validate_replace_rtx_subexp): Remove.
13455 * recog.h: Remove the prototype for
13456 validate_replace_rtx_subexp.
13458 * integrate.h: Remove the prototype for
13459 copy_decl_for_inlining.
13460 * rtl.h: Remove the prototype for mark_constant_function.
13461 * tree-vectorizer.h: Remove the prototype for
13462 vect_strip_conversion.
13464 * modulo-sched.c (create_partial_schedule,
13465 free_partial_schedule, reset_partial_schedule): Make them
13468 * hooks.c (hook_bool_rtx_int_false): Remove.
13469 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
13471 2006-01-28 David Edelsohn <edelsohn@gnu.org>
13473 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13474 and -mlong-double-128 are incompatible.
13475 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
13476 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
13477 (TARGET_LIBGCC2_CFLAGS): Define.
13478 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
13479 (TARGET_LIBGCC2_CFLAGS): Same.
13480 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
13482 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13485 * c-typeck.c (build_binary_op): Perform implicit casts of
13486 operands before shortening them.
13488 * cfgloopmanip.c (split_loop_bb): Remove.
13489 * cfgloop.h: Remove the prototype for split_loop_bb.
13491 * cfgloop.c (flow_loop_outside_edge_p): Remove.
13492 * cfgloop.h: Remove the prototype for
13493 flow_loop_outside_edge_p.
13495 * emit-rtl.c (init_virtual_regs): Make it static.
13496 * function.h: Remove the prototype for init_virtual_regs.
13498 * recog.c (peephole2_optimize): Make it static.
13499 * recog.h: Remove the prototype for peephole2_optimize.
13501 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13503 * df-scan.c (df_record_entry_block_defs): Check if
13504 INCOMING_RETURN_ADDR_RTX is defined.
13506 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
13507 Kenneth Zadeck <zadeck@naturalbridge.com>
13509 PR rtl-optimization/24762
13510 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13511 * targhooks.c (hook_void_bitmap): New hook prototype.
13512 * targhoohs.h (hook_void_bitmap): Ditto.
13513 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
13514 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
13515 * target.h (live_on_entry): New function pointer.
13516 * df-scan.c (df_all_hard_regs): Removed.
13517 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
13518 (df_scan_free_internal): Added df->entry_block_defs.
13519 (df_scan_alloc): Ditto.
13520 (df_scan_dump): Ditto.
13521 (df_uses_record): Plumbed flag field properly thru calls.
13522 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
13523 This part fixes PR24762.
13524 (df_bb_refs_record): Added code to make the frame and arg
13525 pointers live in EH blocks.
13526 (df_refs_record): Added call to df_record_entry_block_defs.
13527 (df_record_entry_block_defs): New function.
13528 * df-core.c: Added comments to describe new artifical defs.
13529 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
13530 (entry_block_defs): New field in struct df.
13531 (df_all_hard_regs): Deleted.
13532 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13533 * df-problems.c (df_ru_bb_local_compute_process_def):
13534 Added code to handle artifical defs in the entry to a function.
13535 (df_ru_bb_local_compute): Ditto.
13536 (df_rd_bb_local_compute_process_def): Ditto.
13537 (df_rd_bb_local_compute): Ditto.
13538 (df_lr_bb_local_compute): Ditto.
13539 (df_ur_bb_local_compute): Ditto.
13540 (df_urec_bb_local_compute): Ditto.
13541 (df_chain_create_bb): Ditto.
13542 (df_ur_local_finalize): Removed entry.
13543 (df_urec_init): Ditto.
13544 (df_urec_local_finalize): Ditto.
13545 (df_ri_bb_compute): Added detection of last use of pseudos.
13546 * Makefile.in (df-scan.o): Updated dependencies.
13547 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
13548 * config/mips/mips.c (mips_set_live_on_entry): Added.
13549 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
13551 * dce.c (marked_insn_p): Added code to handle artifical defs.
13553 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13555 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
13557 (_mm_cvtsi128_si64): Likewise.
13558 (_mm_cvtsd_si64): Likewise.
13559 (_mm_cvttsd_si64): Likewise.
13560 (_mm_cvtsi64_sd): Likewise.
13561 (_mm_cvtsi64_si128): Likewise.
13562 * config/i386/mmintrin.h (_m_from_int64): Likewise.
13563 (_mm_cvtsi64_m64): Likewise.
13564 (_m_to_int64): Likewise.
13565 (_mm_cvtm64_si64): Likewise.
13566 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
13567 (_mm_cvttss_si64): Likewise.
13568 (_mm_cvtsi64_ss): Likewise.
13569 (_mm_cvtss_f32): Likewise.
13571 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
13573 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
13574 for pragma redefine_extname.
13576 2006-01-27 Jakub Jelinek <jakub@redhat.com>
13579 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
13580 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
13581 -mno-minimal-toc to previous content.
13582 (bispecs): Remove goal.
13583 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
13584 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
13585 compatibility aliases on powerpc-*-*gnu*.
13586 * config/rs6000/libgcc-ppc-glibc.ver: New file.
13587 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
13588 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
13589 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
13590 (ldblspecs): New goal.
13591 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
13592 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
13594 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
13595 L_sf_to_tf or L_df_to_tf is defined.
13597 2006-01-27 David Edelsohn <edelsohn@gnu.org>
13598 Alan Modra <amodra@bigpond.net.au>
13601 * config/rs6000/linux.h (POWERPC_LINUX): Define.
13602 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
13603 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
13604 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
13605 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
13606 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
13607 (rs6000_override_options): Initialize rs6000_ieeequad.
13608 Initialize TFmode format to ibm_extended_format if not
13610 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
13612 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
13613 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
13614 (function_arg_advance): IBM long double passed in two FPRs, not
13616 (function_arg): IBM long double passed in FPRs.
13617 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
13618 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
13619 Only multireg GPR aligned.
13620 (rs6000_init_libfuncs): Enable IBM long double functions if not
13622 (rs6000_generate_compare): Use IBM long double compare if not
13624 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
13625 (TARGET_IEEEQUAD): Define.
13626 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
13627 not TARGET_IEEEQUAD.
13628 * config/rs6000/rs6000.md: Enable TFmode patterns if
13630 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
13631 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13632 and -mlong-double-128 are incompatible.
13633 * doc/invoke.texi (-mabi): Collect options together. Add
13634 ibmlongdouble and ieeelongdouble.
13636 2006-01-27 Richard Sandiford <richard@codesourcery.com>
13638 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
13640 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
13641 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
13642 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
13643 * rtl.h (rtunion_def): Remove rt_ptr.
13645 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
13646 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
13647 * config/i386/winnt.c (i386_pe_mark_dllexport)
13648 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
13650 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
13652 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
13654 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13658 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
13659 pthread_key_delete. From John David Anglin. gthrw-ify
13660 pthread_getunique_np only if it it's not a macro. Delete
13662 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
13663 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
13664 __gthread_objc_condition_signal, __gthread_key_delete): Add
13665 "__attribute__ ((__unused__))" to unused arguments.
13666 (__gthread_recursive_mutex_init_function): Add missing return.
13667 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
13668 gthr-posix95.h: Use macro-based approach for name redirection
13669 on targets missing weakref.
13671 2006-01-26 Zack Weinberg <zackw@panix.com>
13673 * genconditions.c (write_header): In generated code, #ifdef out
13674 all includes and fake declarations, except includes of bconfig.h
13675 and system.h, unless GCC_VERSION >= 3001. Do not include
13676 gensupport.h in any case.
13677 (write_conditions): Generate a definition of struct c_test. Add
13678 a comment to the generated #endif.
13679 (write_one_condition): Escape backslashes in string too.
13680 (write_writer): Generated code must escape backslashes and quote
13681 marks (but not newlines) in the strings it writes.
13682 * Makefile.in (build/gencondmd.o): Update dependencies.
13684 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13687 * Makefile.in (insn-automata.o): Add header file dependencies.
13688 * genautomata.c: Add includes.
13690 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13693 * Makefile.in (insn-automata.o): Add -Wno-error flag.
13695 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13697 * configure.ac: Expect target tools paths to be passed from the toplevel
13698 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
13700 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
13702 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13705 * c.opt (Wpointer-sign): Init to -1.
13706 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
13707 OPT_pedantic, to 0 otherwise.
13708 * doc/invoke.texi: Update.
13710 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13712 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
13713 constants provided by 80387 instructions in the destination mode.
13715 2006-01-26 Richard Guenther <rguenther@suse.de>
13716 Andrew Pinski <pinskia@physics.uc.edu>
13719 partial PR tree-opt/17064
13720 * tree-ssa-structalias.c (intra_create_variable_infos):
13721 Create heap variables for incoming parameters if
13722 flag_argument_noalias > 1.
13723 (find_what_p_points_to): Look through default defs of
13726 2006-01-26 Jeff Law <law@redhat.com>
13729 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
13730 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
13731 within the VR_RANGE, use the VR_RANGE as the result, not the
13733 (adjust_range_with_scev): Reject ranges from SCEV which are out of
13734 bounds for the type.
13736 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
13738 * tree-ssa-alias.c (maybe_create_global_var): Change
13739 subvar walking to an assertion that we don't have subvar'd variables.
13741 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
13744 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
13745 Use a new variable, inner. PARM_DECLs are always non-weak.
13747 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
13749 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
13750 --disable-checking.
13752 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
13754 * config/mips/mips.md (*clear_upper32): New combiner pattern.
13756 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
13758 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
13759 (smax_insn, smin_insn, smax_0, smin_0): New.
13761 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
13764 * config/cris/cris.c (cris_order_for_addsi3): New function.
13765 * config/cris/cris-protos.h: Prototype it.
13766 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
13767 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
13768 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
13769 (split for "op.S1 [rx=rx+i],ry (swapped)")
13770 (split for "op(s|u).S1 [rx=rx+i],ry")
13771 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
13772 Apply cris_order_for_addsi3 when generating addsi3 insns.
13774 2006-01-25 Diego Novillo <dnovillo@redhat.com>
13776 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
13777 (TREE_BLOCK): Add call to EXPR_CHECK.
13779 2006-01-25 Diego Novillo <dnovillo@redhat.com>
13782 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
13783 * tree-pretty-print.c (dump_omp_clause): Extract from ...
13784 (dump_omp_clauses): ... here.
13785 (dump_generic_node): Handle OMP_CLAUSE.
13786 * tree.c (omp_clause_num_ops): New.
13787 (omp_clause_code_name): New.
13788 (tree_code_size): Handle OMP_CLAUSE.
13789 (tree_size): Likewise.
13790 (make_node): Document handling of OMP_CLAUSE.
13791 (tree_node_structure): Handle OMP_CLAUSE.
13792 (omp_clause_check_failed): New.
13793 (omp_clause_range_check_failed): New.
13794 (omp_clause_operand_check_failed): New.
13795 (build_omp_clause): New.
13796 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
13797 * tree.h (enum omp_clause_code): Declare.
13798 (OMP_CLAUSE_SUBCODE_CHECK): Define.
13799 (OMP_CLAUSE_RANGE_CHECK): Define.
13800 (OMP_CLAUSE_ELT_CHECK): Define.
13801 (omp_clause_check_failed): Declare.
13802 (omp_clause_operand_check_failed): Declare.
13803 (omp_clause_range_check_failed): Declare.
13804 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
13805 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
13806 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
13807 (OMP_CLAUSE_LASTPRIVATE): Likewise.
13808 (OMP_CLAUSE_IF_EXPR): Likewise.
13809 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
13810 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
13811 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
13812 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
13813 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
13814 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
13815 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
13816 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
13817 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
13818 (OMP_CLAUSE_CODE): Define.
13819 (OMP_CLAUSE_SET_CODE): Define.
13820 (OMP_CLAUSE_CODE): Define.
13821 (OMP_CLAUSE_OPERAND): Define.
13822 (struct tree_omp_clause): Declare.
13823 (union tree_node): Add field 'omp_clause'.
13824 * treestruct.def (TS_OMP_CLAUSE): Define.
13825 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
13826 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
13827 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
13828 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
13829 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
13830 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
13831 (OMP_CLAUSE): Define.
13832 * print-tree.c (print_node): Handle OMP_CLAUSE.
13833 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
13834 * c-typeck.c: Likewise.
13835 * gimplify.c: Likewise.
13836 * c-omp.c: Likewise.
13837 * tree-nested.c: Likewise.
13838 * tree-inline.c: Likewise.
13839 * c-parser.c: Likewise.
13840 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
13843 2006-01-25 Roger Sayle <roger@eyesopen.com>
13845 PR rtl-optimization/25703
13846 * combine.c (try_combine): Handle zero_extract and strict_low_part
13847 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
13849 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
13851 * global.c: Fix comment typos.
13853 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
13856 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
13857 Use output_addr_const instead of assemble_name.
13859 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
13861 * Makefile.in (sched-vis.o): Update dependencies.
13862 * haifa-sched.c (sched_finish): Clear current_sched_info.
13863 * cfg.c (dump_bb_info): New, split from dump_flow_info.
13864 (dump_flow_info): Call it.
13865 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
13867 * basic-block.h (dump_bb_info): Declare.
13868 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
13869 option, and apply options only for dump files whose TDF_RTL,
13870 TDF_TREE, or TDF_IPA bits match.
13871 * rtl.h: Declare new functions exported from sched-vis.c.
13872 * sched-vis.c: Enable also if scheduling is not used.
13873 (print_value): Print the mode of registers if not inside scheduling.
13874 (print_insn): Make it work outside the scheduler. Beautify the output
13876 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
13878 2006-01-25 Richard Sandiford <richard@codesourcery.com>
13880 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
13881 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
13882 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
13883 depending on the value of CONSTANT_POOL_ADDRESS_P.
13884 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
13886 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
13887 rather than SYMBOL_REF_DECL.
13888 (rtx_constant_pool): Remove const_rtx_sym_htab.
13889 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
13890 (init_varasm_status): Don't initialize const_rtx_sym_htab.
13891 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
13892 Remove handling of const_rtx_sym_htab.
13893 (find_pool_constant): Delete.
13894 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
13895 rather than find_pool_constant.
13896 (get_pool_constant_for_function): Delete.
13897 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
13898 find_pool_constant.
13899 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
13900 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
13901 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
13902 (SYMBOL_REF_CONSTANT): New macro.
13903 (get_pool_constant_for_function): Delete.
13904 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
13905 rather than SYMBOL_REF_DECL.
13906 (i386_pe_mark_dllimport): Likewise.
13907 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
13908 rather than SYMBOL_REF_DECL.
13909 * config/darwin.c (machopic_indirect_data_reference): Likewise.
13910 (machopic_indirect_call_target): Likewise.
13912 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
13914 * flow.c (delete_noop_moves): Add missing EOL to dump message.
13916 2006-01-25 Richard Sandiford <richard@codesourcery.com>
13918 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
13920 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
13922 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
13924 2006-01-24 David Daney <ddaney@avtrex.com>
13927 * configure.ac (enable_tls): New enable option.
13928 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
13929 * configure: Regenerate.
13930 * doc/install.texi (--enable-tls): Document new option.
13931 (--disable-tls): Ditto.
13933 2006-01-24 Richard Henderson <rth@redehat.com>
13935 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
13936 * alias.c (true_dependence): Respect it.
13937 (canon_true_dependence, write_dependence_p): Likewise.
13938 * builtins.c (get_builtin_sync_mem): Set it.
13940 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
13942 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
13945 2006-01-24 DJ Delorie <dj@redhat.com>
13947 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
13948 for storing constants in single-bit bitfields.
13950 2006-01-25 Ben Elliston <bje@au.ibm.com>
13952 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
13954 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
13957 * tree-ssa-pre.c (phi_translate): Return NULL
13958 for AGGREGATE_TYPE's.
13960 2006-01-24 Zack Weinberg <zackw@panix.com>
13962 * genautomata.c (process_state_for_insn_equiv_partition):
13963 Use xcalloc for insn_arcs_array.
13964 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
13965 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
13967 2006-01-24 Richard Henderson <rth@redhat.com>
13969 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
13970 update all callers.
13972 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
13974 PR rtl-optimization/25890
13975 PR rtl-optimization/25905
13976 * combine.c (expand_compound_operation, expand_field_assignment):
13977 Fail if the bitfield's final position is out of bounds.
13979 2006-01-24 Ian Lance Taylor <ian@airs.com>
13981 PR middle-end/25930
13982 * cgraphunit.c (cgraph_output_in_order): Don't clear
13983 cgraph_asm_nodes until after asm strings have been output.
13985 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
13987 * fix-header.c (read_scan_file): Add new parameter imultilib when
13988 calling register_include_chains.
13990 2006-01-23 Diego Novillo <dnovillo@redhat.com>
13992 * omp-low.c: Update documentation.
13994 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
13995 Daniel Berlin <dberlin@dberlin.org>
13999 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
14000 return from the function.
14002 2006-01-22 Zack Weinberg <zackw@panix.com>
14004 * rtl.def (match_code): Add second argument.
14005 * genpreds.c (write_extract_subexp): New function.
14006 (write_match_code): Add path argument. Use write_extract_subexp.
14007 (write_predicate_expr): Pass path to write_match_code.
14008 (mark_mode_tests): MATCH_CODE applied to a subexpression does
14009 not perform a mode test.
14010 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
14011 a subexpression does not constrain the top-level code set.
14012 * read-rtl.c (read_rtx_variadic): New function.
14013 (read_rtx_1): Use it; allow AND and IOR to be variadic.
14014 * doc/md.texi: Document new notation.
14015 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
14016 (cmpsi_operand): ... here, using new notation.
14018 2006-01-22 Zack Weinberg <zackw@panix.com>
14020 * varray.c: Remove GENERATOR_FILE #ifdefs.
14022 2006-01-22 Zack Weinberg <zackw@panix.com>
14024 * genautomata.c (output_reserved_units_table): Emit nothing if
14025 description->query_units_num is zero. Remove extra blank line.
14026 (output_cpu_unit_reservation_p): Short circuit
14027 if description->query_units_num is zero.
14029 2006-01-22 Zack Weinberg <zackw@panix.com>
14031 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
14032 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
14033 nor any of the random handful of variables that used to be necessary
14034 when this program was linked with rtlanal.o. Prune set of forward
14035 function declarations.
14036 (struct attr_desc): Remove static_p field.
14037 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
14038 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
14039 (attr_string): Do not read the character one past the length of
14041 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
14042 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
14043 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
14044 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
14045 (make_automaton_attrs): New.
14046 (main): Do not call into genautomata. Call local gen_bypass
14047 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
14048 Remove special case for insn_alts.
14049 * genautomata.c: Include gensupport.h; not genattrtab.h nor
14050 varray.h (leftover from previous change). Prune set of forward
14051 function declarations. Remove state_alts fields from all
14052 structures. Remove state_alts_table from struct automaton.
14053 Make everything except main static. Do not maintain num_dfa_decls.
14054 Do not maintain state_alts fields of various structures.
14055 (process_decls): Don't validate condexp for dm_insn_reserv decls.
14056 (add_arc): Remove state_alts argument. All callers updated.
14057 (output_reserved_units_table): Emit #ifdef here...
14058 (output_tables): ...not here. Don't generate state_alts tables.
14059 (expand_automata): Don't generate attributes.
14060 (write_automata): Don't generate state_alts functions.
14061 (main): New function.
14062 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
14063 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
14064 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
14065 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
14066 (BYPASS_P_FUNC_NAME, output_state_alts_table)
14067 (output_automata_list_state_alts_code, output_internal_state_alts_func)
14068 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
14069 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
14071 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
14072 * genattrtab.h: Delete file.
14073 * Makefile.in (OBJS-common): Add insn-automata.o.
14074 (insn-automata.o): New rule.
14075 (simple_generated_c): Add insn-automata.c.
14076 (build/genattrtab.o, build/genautomata.o): Update dependencies.
14077 (genprogmd): Add automata.
14078 (build/genattrtab): Needs no extra objects nor libraries.
14079 (build/genautomata): Needs build/vec.o and -lm.
14081 2006-01-22 Zack Weinberg <zackw@panix.com>
14083 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
14084 (output_dfa_max_issue_rate, locked_states_num): Delete.
14085 (struct automaton): Add locked_states field.
14086 (output_dead_lock_vect): Save number of locked states in
14087 automaton->locked_states. If it is zero, don't print anything.
14088 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
14089 (output_internal_dead_lock_func): Only test the dead_lock_vect
14090 for automata that have locked states.
14091 (output_statistics): Always print the number of locked states for
14092 each automaton. Calculate total number of locked states here.
14093 (write_automata): Don't call output_dfa_max_issue_rate.
14094 * genattrtab.c: Define length_unit_log as a const variable.
14095 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
14096 max_insn_queue_index const.
14097 * final.c (length_unit_log): Declare const.
14098 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
14100 2006-01-22 Zack Weinberg <zackw@panix.com>
14102 * genautomata.c: Include vec.h, not varray.h.
14103 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
14104 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
14105 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
14106 VEC_* macros operating on appropriately typed vectors, or to
14107 malloced arrays when the size is known in advance. Const-ify
14108 many char* variables and function arguments. No functional changes.
14109 * Makefile.in (build/varray.o): Delete rule.
14110 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
14111 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
14113 2006-01-22 Zack Weinberg <zackw@panix.com>
14115 * gensupport.c: Define get_insn_name and record_insn_name here.
14116 (read_md_rtx): Call record_insn_name as appropriate.
14117 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
14118 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
14119 * genpreds.c, genrecog.c: Don't define get_insn_name nor
14121 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
14122 (BUILD_VARRAY): Delete.
14123 (genprognormal): Rename genprogmd. Fold in all programs from
14124 genprognoprint; also attrtab.
14125 (build/genattrtab): Just mention genautomata.o and varray.o.
14126 Reorganize a bit, add comments to make the categories clearer.
14128 2006-01-22 Zack Weinberg <zackw@panix.com>
14130 * genconditions.c (condition_table, add_condition): Delete.
14131 (write_conditions): Don't emit n_insn_conditions nor
14132 insn_elision_unavailable. Issue the gcc version #ifdef here,
14133 inside the table, with no #else clause ...
14134 (write_header): ...not here.
14135 (write_writer): New function.
14136 (main): Don't initialize condition_table. Use add_c_test.
14138 * gensupport.c (init_md_reader_args_cb): Handle multiple input
14139 files on the command line.
14140 (maybe_eval_c_test): Don't check insn_elision_unavailable.
14141 Return -1 if there is no entry in the table, don't abort.
14142 (add_c_test, traverse_c_tests): New functions.
14143 * gensupport.h (insn_elision_unavailable, insn_conditions)
14144 (n_insn_conditions): Delete declarations.
14145 (add_c_test, traverse_c_tests): Declare.
14146 * read-rtl.c: Include gensupport.h.
14147 (read_conditions): New function.
14148 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
14149 (read_rtx_1): If we get EOF when we were looking for an initial
14150 open paren, return 0. Call read_conditions when appropriate.
14151 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
14152 dummy-conditions.o. Eliminate references to insn-conditions.o,
14153 or change them to build/gencondmd.o, as appropriate. Remove
14154 insn-constants.h from $(simple_generated_h) and insn-conditions.c
14155 from $(simple_generated_c). For all files remaining in those
14156 two lists, add insn-conditions.md to the generator command line.
14157 Give insn-constants.h/s-constants their own rules. Add rules
14158 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
14159 (build/read-rtl.o): Depend on gensupport.h.
14160 (genprognormal): Include preds.
14161 (genprogearly): Rename genprognoprint; only difference is now that
14162 they don't link with $(BUILD_PRINT).
14163 * dummy-conditions.c: Delete.
14165 2006-01-22 Zack Weinberg <zackw@panix.com>
14167 * genextract.c: Don't include insn-config.h. Do include vec.h.
14168 Declare vectors of int, char, and locstr.
14169 (locstr): New typedef.
14170 (struct extraction): Make all array fields into bare pointers.
14171 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
14172 (insn_code_number): Delete.
14173 (accum_extract): New struct.
14174 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
14175 (gen_insn): Take insn_code_number as an argument. Use an
14176 accum_extract structure instead of loading data directly into
14177 a struct extraction, and having to know how big it might get.
14178 (walk_rtx): Operate entirely on an accum_extract structure.
14179 (print_path): Avoid unnecessary use of printf.
14180 (print_header): New function, split out of main. Distinguish
14181 more carefully between an unrecognizable insn and an insn that
14182 has the code number of a define_expand.
14183 (main): Pass insn_code_number to gen_insn. Call print_header
14184 only after parsing. Avoid unnecessary use of printf.
14185 * Makefile.in (build/vec.o): New rule.
14186 (build/genextract): Depend on build/vec.o.
14187 (build/genextract.o): Don't depend on insn-config.h.
14189 2006-01-22 Zack Weinberg <zackw@panix.com>
14191 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
14192 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
14193 practical. Eliminate per-generator-program link rules.
14195 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14197 PR middle-end/24437
14198 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14199 with a call expr to ...
14200 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14202 2006-01-23 Richard Guenther <rguenther@suse.de>
14204 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
14205 before make_edge with conditional EDGE_TRUE_VALUE.
14207 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
14208 Jan Hubicka <jh@suse.cz>
14209 Richard Guenther <rguenther@suse.de>
14211 PR rtl-optimization/25654
14212 * cfgexpand.c (aggregate_contains_union_type): New function.
14213 (add_alias_set_conflicts): Call it. Make sure to add conflicts
14214 for structure variables that contain a union type.
14216 2006-01-23 Richard Sandiford <richard@codesourcery.com>
14218 * gengtype.c (new_structure): Return the structure.
14219 (create_option): Add an extra "next" argument.
14220 (create_field): New function.
14221 (adjust_field_rtx_def): Use create_option and create_field.
14222 Remove a now-unnecessary call to find_structure.
14223 (adjust_field_tree_def): Likewise.
14224 (note_yacc_type): Remove an unnecessary call to find_structure.
14225 * gengtype.h (new_structure): Return the structure.
14226 (create_option): Add an extra argument.
14227 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
14228 (option): Adjust calls to create_option.
14230 2006-01-22 David Edelsohn <edelsohn@gnu.org>
14232 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
14234 2006-01-22 Paul Brook <paul@codesourcery.com>
14235 Peter Barada <peter@the-baradas.com>
14237 * config/m68k/m68k.md: Add Coldfire FPU support.
14238 Define FP mode macro and associated attributes.
14239 Use it for float mode patterns.
14240 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
14241 (LIBCALL_VALUE): Use m68k_libcall_value.
14242 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
14243 (m68k_function_value): Ditto.
14244 (emit_move_sequence): Ditto.
14245 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
14246 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
14247 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
14248 (MULTILIB_EXCEPTIONS): Ditto.
14249 * config/m68k/m68k.opt: Add mcfv4e.
14250 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
14251 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
14252 (m68k_output_function_prologue): Save ColdFire FPU registers.
14253 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
14254 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
14255 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
14256 ColdFire FPU registers.
14257 (m68k_libcall_value, m68k_function_value): New functions.
14258 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
14259 (LIBCALL_VALUE): Use m68k_libcall_value.
14260 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
14261 (MASK_COLDFIRE): Add MASK_CFV4E.
14262 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
14263 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
14264 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
14265 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
14266 (GO_IF_LEGITIMATE_ADDRESS): Use it.
14267 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
14268 * doc/invoke.tex: Document -mcfv4e on m68k.
14270 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
14272 * doc/contribute.texi: Change CVS to SVN and update the corresponding
14275 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
14278 * c-opts.c (c_common_handle_option): Don't include
14279 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
14280 * doc/invoke.texi (C++ Dialect Options): Document that
14281 -Wnon-virtual-dtor is no longer included in -Wall.
14283 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
14285 * gcov.c (print_version), gcov-dump.c (print_version),
14286 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
14289 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
14291 * df-scan.c (problem_SCAN): Added NULL reset function.
14292 (df_scan_reset_blocks): Added code to call reset block function
14293 (df_bb_refs_delete) Fixed comment.
14294 (df_insn_refs_delete): Made tolerant of deleting non existent info
14295 for dataflow problems that need to be reset.
14296 * df-core.c (df_set_blocks): Ditto.
14297 * df.h (struct df_problem): Added reset_fun.
14298 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
14299 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
14300 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
14301 functions to clear out all references to def-use or use-def chains.
14303 2006-01-21 Ben Elliston <bje@au.ibm.com>
14305 * varasm.c (assemble_real): Initialise data array.
14307 2006-01-20 Paul Brook <paul@codesourcery.com>
14309 Merge from csl-arm-branch.
14310 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
14311 * config/arm/arm.md (movdi): Force operands[1] to a register
14312 if we have a non-register source.
14313 (*arm_movdi, *movdf_soft_insn): Require that one of the
14314 operands be a register.
14315 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
14316 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
14318 2006-01-20 DJ Delorie <dj@redhat.com>
14320 * varasm.c (initializer_constant_valid_p): Allow pointers
14321 initialized from integer constants of lesser precision.
14322 (output_constant): Allow non-int-sized pointer modes to be
14323 initialized from integer constants.
14325 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
14328 * cppdefault.h (struct default_include): Add multilib flag.
14329 * cppdefault.c (cpp_include_defaults): Set it.
14330 * c.opt (-imultilib): New option.
14331 * c-opts.c (imultilib): New.
14332 (c_common_handle_option): Handle -imultilib.
14333 (c_common_post_options): Likewise.
14334 * c-incpath.c (add_standard_paths, register_include_chains):
14336 * c-incpath.h (register_include_chains): Add extra parameter.
14337 * gcc.c (do_spec_1): Generate -imultilib option.
14338 (The Specs Language): Update %I description.
14339 (process_command): Update copyright notice.
14340 * doc/cppopts.texi (-imultilib): Document.
14341 * doc/invoke.texi (-imultilib): Include in option summary.
14342 (%I): Update specs documentation.
14344 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14346 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
14348 2006-01-20 Richard Sandiford <richard@codesourcery.com>
14350 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
14353 2006-01-20 Richard Guenther <rguenther@suse.de>
14354 Steven Bosscher <stevenb.gcc@gmail.com>
14356 PR rtl-optimization/24626
14357 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
14358 EDGE_TRUE_VALUE if in RTL mode.
14361 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
14362 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
14364 2006-01-20 Dirk Mueller <dmueller@suse.com>
14367 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
14368 instead of a special NOP marker.
14369 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
14370 NOP marker handling.
14371 * c-common.h (empty_body_warning): Add forward declaration.
14372 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
14373 Now uses IS_EMPTY_STMT() instead of special NOP markers.
14375 2006-01-20 Paul Brook <paul@codesourcery.com>
14377 * Makefile.in (lang_checks): Keep going if mkdir fails.
14379 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14381 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
14382 be able to clean out basic block when not necessary.
14383 (df_scan_free): Fixed to properly delete information if df is
14384 unused before calling df_finish.
14385 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
14386 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
14388 (df_bb_refs_delete): New function.
14389 (df_refs_delete): Moved per block code to df_bb_refs_delete.
14390 * df-core.c (df_set_blocks): Added code to properly clean out
14391 unused blocks if they are not part of the blocks to consider.
14392 Added additional null check.
14393 (df_compact_blocks): Added basic block parameter to free_bb_fun to
14394 be able to clean out basic block when not necessary
14395 * df.h (df_free_bb_function): Ditto.
14396 (df_bb_refs_delete): New function.
14397 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
14398 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
14399 basic block parameter to be able to clean out basic block when not
14401 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
14402 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
14403 Fixed to properly delete information if df is unused before
14406 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14408 PR rtl-optimization/25799
14409 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
14410 Corrected confluence operator to remove bits from op2 before oring
14411 with op1 rather than removing bits from op1.
14412 (df_ru_transfer_function): Corrected test on wrong bitmap which
14413 caused infinite loop. Both of these problems were introduced in
14414 the dataflow rewrite.
14416 2006-01-19 DJ Delorie <dj@redhat.com>
14418 * reload1.c (find_reload_regs): Note the details of reload
14419 failures in the dump file.
14420 (spill_failure): Likewise.
14422 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14424 * loop-iv.c: Include df.h and hashtab.h.
14425 (enum iv_grd_result): New enum.
14426 (DF_REF_IV, DF_REF_IV_SET): New macros.
14427 (struct biv_entry): New.
14428 (df, bivs): New global variables.
14429 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
14430 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
14432 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
14433 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
14434 analyzed_for_bivness_p, record_biv): New functions.
14435 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
14436 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
14437 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
14439 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
14441 (iv_number_of_iterations): Use new interface to iv analysis.
14442 * loop-unroll.c: Do not include varray.h.
14443 (analyze_iv_to_split_insn): Use new interface to iv
14445 * loop-unswitch.c (may_unswitch_on): Ditto.
14446 * df.c (df_bitmaps_free): Only work for bbs for that structures are
14448 (df_bb_modify): Realloc tables to the new index.
14449 (df_find_use): New function.
14450 * df.h (df_find_use): Declare.
14451 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
14453 * cfgloop.h (struct rtx_iv): Remove analysed field.
14454 (iv_get_reaching_def): Removed.
14455 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
14456 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
14457 (loop-iv.o): Add df.h and hashtab.h dependency.
14458 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
14460 2006-01-20 Alan Modra <amodra@bigpond.net.au>
14463 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
14465 (__floatundisf, __floatundidf): Likewise.
14466 * libgcc2.h (IS_IBM_EXTENDED): Define.
14468 2006-01-19 DJ Delorie <dj@redhat.com>
14470 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
14472 2006-01-19 Paul Brook <paul@codesourcery.com>
14474 * config/arm/arm.c (arm_compute_func_type): Treat all functions
14475 as nothrow when unwinding tables are disabled.
14477 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14480 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
14481 of bit-field" when in system header.
14483 2006-01-19 DJ Delorie <dj@redhat.com>
14485 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
14486 the 16 bit shift limit of the m16c.
14488 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
14491 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
14492 * config/i386/i386.c (output_set_got): Output the label if we have one
14493 for the TARGET_DEEP_BRANCH_PREDICTION case.
14495 2006-01-19 Jan Hubicka <jh@suse.cz>
14496 H.J. Lu <hongjiu.lu@intel.com>
14497 Evandro Menezes <evandro.menezes@amd.com>
14499 * invoke.texi (generic): Document
14501 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
14502 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
14503 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
14504 (x86_use_incdec, x86_pad_returns): New variables
14505 (TARGET_CPU_DEFAULT_generic): New constant
14506 (TARGET_CPU_DEFAULT_NAMES): Add generic.
14507 (enum processor_type): Add generic32 and generic64.
14508 * i386.md (cpu attribute): Add generic32/generic64
14509 (movhi splitter): Behave sanely when both partial_reg_dependency and
14510 partial_reg_stall are set.
14511 (K8 splitters): Enable for generic as well.
14512 * predicates.md (incdec_operand): Use TARGET_INCDEC
14513 (aligned_operand): Avoid memory mismatch stalls.
14514 * athlon.md: Enable for generic64, new patterns for 128bit moves.
14515 * ppro.md: Enable for generic32
14516 * i386.c (generic64_cost, generic32_cost): New.
14517 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
14518 (x86_use_leave): Enable for generic64. (x86_use_sahf,
14519 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
14520 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
14521 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
14522 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
14523 x86_partial_reg_dependency, x86_memory_mismatch_stall,
14524 x86_accumulate_outgoing_args, x86_prologue_using_move,
14525 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
14526 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
14527 Enable for generic.
14528 (x86_use_incdec, x86_pad_returns): New.
14529 (override_options): Add generic32 and generic64, translate "generic"
14530 to generic32/generic64 and "i686" to "generic32", refuse
14531 "generic32"/"generic64" as arch target.
14532 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
14533 (ix86_reorg): Honor PAD_RETURNS.
14535 2006-01-19 Diego Novillo <dnovillo@redhat.com>
14537 * tree-pretty-print.c (dump_generic_node): Handle
14538 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
14539 * cgraph.c (cgraph_expand_queue): Rename from
14540 cgraph_analyze_queue. Update all users.
14541 * cgraphunit.c (cgraph_assemble_pending_functions): Process
14542 cgraph_expand_queue.
14543 (cgraph_expand_all_functions): Likewise.
14544 (cgraph_finalize_pending_functions): Remove. Update callers.
14546 * tree.h (OMP_DIRECTIVE_P): Define.
14547 (OMP_PARALLEL_FN): Define.
14548 (OMP_PARALLEL_DATA_ARG): Define.
14549 (OMP_SECTIONS_SECTIONS): Define.
14550 * tree-pass.h (pass_expand_omp): Declare.
14551 * omp-low.c (struct omp_region): Declare.
14552 (struct omp_context): Remove fields 'parallel_type',
14553 'parallel_start_ix' and 'parallel_start_additional_args'.
14555 (struct omp_for_data): Rename from struct expand_omp_for_data.
14556 (omp_regions): New static variable.
14557 (root_omp_region): New static variable.
14558 (find_omp_clause): Make static.
14559 (is_in_combined_parallel_ctx): Remove.
14560 (is_combined_parallel): New.
14561 (extract_omp_for_data): Move earlier in the file.
14562 (workshare_safe_to_combine_p): New.
14563 (get_ws_args_for): New.
14564 (determine_parallel_type): Move earlier in the file.
14565 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
14567 (omp_copy_decl): Likewise.
14568 (create_omp_child_function): Likewise.
14569 (lookup_omp_region): New.
14570 (dump_omp_region): New.
14571 (debug_omp_region): New.
14572 (debug_all_omp_regions): New.
14573 (new_omp_region): New.
14574 (scan_omp_parallel): If parallel_nesting_level > 1, the
14575 directive is nested within another parallel directive.
14576 Set OMP_PARALLEL_FN.
14577 (scan_omp_for): Do not try to handle combined parallel+for
14579 Remove FIXME comment.
14580 (scan_omp_nested): Remove.
14581 (scan_omp_1): Do not call scan_omp_nested when
14582 parallel_nesting_level is > 1.
14583 Do not change the DECL_CONTEXT of local variables found.
14584 (lookup_decl_in_outer_ctx): New.
14585 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
14586 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
14587 (lower_reduction_clauses): Rename from expand_reduction_clauses.
14588 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
14589 If CTX is nested, lookup VAR in the outer context when
14590 building copy assignment.
14591 (lower_send_clauses): Rename from expand_send_clauses.
14592 If CTX is nested, lookup VAR in the outer context when
14593 building copy assignments.
14594 (lower_send_shared_vars): Rename from expand_send_shared_vars.
14595 If CTX is nested, lookup VAR in the outer context when
14596 building copy assignments.
14597 (expand_parallel_call): Rename from build_parallel_call.
14598 Handle combined parallel+workshare cases.
14599 Re-implement to emit code into the CFG.
14601 (expand_omp_parallel): Re-implement to emit code into the CFG.
14602 Call move_sese_region_to_fn to outline the sub-graph
14603 containing the parallel region.
14604 (expand_omp_for_1): Remove.
14605 (expand_omp_for_generic): Re-implement to emit code into the
14607 (expand_omp_for_static_nochunk): Likewise.
14608 (expand_omp_for_static_chunk): Likewise.
14609 (expand_omp_for): Likewise.
14610 (expand_omp_sections): Likewise.
14611 (remove_exit_barriers): New.
14612 (expand_omp_synch): New.
14614 (build_omp_regions_1): New.
14615 (build_omp_regions): New.
14616 (execute_expand_omp): New.
14617 (gate_expand_omp): New.
14618 (pass_expand_omp): Define.
14619 (lower_omp_sections): Rename from expand_omp_sections.
14620 Set OMP_SECTIONS_SECTIONS.
14621 (lower_omp_single_simple): Rename from expand_omp_single_simple.
14622 (lower_omp_single_copy): Rename from expand_omp_single_copy.
14623 (lower_omp_single): Rename from expand_omp_simple.
14624 (lower_omp_master): Rename from expand_omp_master.
14625 (lower_omp_ordered): Rename from expand_omp_ordered.
14626 (lower_omp_critical): Rename from expand_omp_critical.
14627 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
14628 (lower_omp_for): Re-implement.
14629 (lower_omp_parallel): Re-implement.
14630 (lower_regimplify): Rename from expand_regimplify.
14631 (lower_omp_1): Rename from expand_omp_1.
14632 If there are syntax errors in the program, replace every
14633 OpenMP directive with NOP.
14634 Call lower_omp_* instead of expand_omp_*.
14635 (lower_omp): Rename from expand_omp.
14637 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
14638 * tree-gimple.h (enum omp_parallel_type): Remove.
14639 (gimple_boolify): Declare extern.
14640 (find_omp_clause, determine_parallel_type): Remove.
14642 * gimple-low.c (lower_omp_directive): New.
14643 (lower_stmt): Call it.
14644 (record_vars_into): Move from ...
14645 (record_vars): ... here.
14646 Call record_vars_into with current_function_decl.
14648 * gimplify.c (struct gimplify_ctx): Remove fields
14649 combined_pre_p and combined_ctxp. Update users.
14650 (get_formal_tmp_var): Add documentation.
14651 (gimple_boolify): Make extern.
14652 (gimplify_expr_in_ctx): Remove. Update callers.
14653 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
14654 will always be a BIND_EXPR.
14655 (gimplify_expr): Handle OMP_RETURN_EXPR.
14656 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
14657 (OMP_PARALLEL): Add 3 operands.
14658 (OMP_SECTIONS): Add 1 operand.
14659 (OMP_RETURN_EXPR): Define.
14661 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
14662 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
14663 * tree-iterator.c (alloc_stmt_list): Assert that we are not
14664 creating a circular free list.
14665 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
14667 * tree-flow.h (move_sese_region_to_fn): Declare.
14668 (record_vars_into): Declare.
14669 * tree-cfg.c (make_omp_sections_edges): New.
14670 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
14671 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
14672 OMP_SECTIONS and OMP_SECTION.
14673 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
14674 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
14675 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
14676 (gather_blocks_in_sese_region): New.
14677 (struct move_stmt_d): Declare.
14678 (move_stmt_r): New.
14679 (move_block_to_fn): New.
14680 (move_sese_region_to_fn): New.
14682 * passes.c (init_optimization_passes): Schedule
14683 pass_expand_omp after pass_init_datastructures.
14685 * tree-ssa-operands.c (get_expr_operands): Handle
14686 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
14687 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
14689 2006-01-19 Jeff Law <law@redhat.com>
14691 * tree-vrp.c (extract_range_from_assert): Refine the result range
14692 if the variable referenced by the ASSERT_EXPR has a range and
14693 either the tentative result range or the previous range is a
14696 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14698 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
14700 2006-01-19 Jan Hubicka <jh@suse.cz>
14702 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
14704 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
14706 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
14707 (expand_compound_operation, expand_field_assignment): Fail if the
14708 bit lengths of an extract operation are out of range.
14709 (make_extraction): Compute wanted_inner_mode based on the position
14710 and length of the extraction. Make it extraction_mode for non-constant
14711 positions, and do not modify offset in that case. When generating a
14712 new MEM, use a mode that can hold the extraction while keeping correct
14713 alignment. Remove code that supported MEMs wrapped by USEs.
14714 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
14716 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
14718 * config/s390/s390.md ("Y", "y"): New mode attribute.
14719 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
14720 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
14721 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
14722 "*addsi3_imm_cc", "*addsi3_carry1_cc",
14723 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
14724 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
14725 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
14726 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
14727 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
14728 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
14729 "addsi3", "subsi3"): Insn patterns removed.
14730 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
14731 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
14732 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
14733 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
14734 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
14735 "*sub<mode>3_cconly2"): New insn patterns.
14736 ("addsi3", "subsi3"): New expanders.
14738 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
14740 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
14741 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
14742 existing STMT_VINFO_VECTYPE if available.
14743 (vect_mark_relevant): Add special handling for stmts that are
14744 marked as STMT_VINFO_IN_PATTERN_P.
14745 (vect_analyze_loop): Call vect_pattern_recog.
14746 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
14747 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
14749 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
14750 (vect_recog_func_ptr): New function-pointer type.
14751 * tree-vect-patterns.c: New file.
14752 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
14753 (vect_recog_dot_prod_pattern, vect_pattern_recog):
14754 (vect_pattern_recog_1): New functions.
14755 (vect_pattern_recog_funcs): New array of function pointers.
14757 * tree-vectorizer.h (ternary_op): New enum value.
14758 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
14759 declaration. Revised documentation. Removed redundant dump prints.
14760 Removed redundant argument. Added support for reduction patterns.
14761 (vectorizable_reduction): Added support for reduction patterns.
14762 (vect_transform_stmt): Added support for patterns.
14764 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
14765 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
14766 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
14767 (expand_widen_pattern_expr): New function.
14768 (init_optabs): Initialize new optabs udot_prod_optab,
14770 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
14771 (sdot_prod_optab, udot_prod_optab): Define new optabs.
14772 (expand_widen_pattern_expr): New function declaration.
14773 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
14775 * tree-inline.c (estimate_num_insns_1): Added cases for new
14776 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
14777 * tree-pretty-print.c (dump_generic_node): Likewise.
14778 (op_prio): Likewise.
14779 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
14780 * tree-ssa-operands.c (get_expr_operands): Added case for
14782 * tree-vect-patterns.c (widened_name_p): New function.
14783 (vect_recog_dot_prod_pattern): Added function implementation.
14784 * tree-vect-transform.c (get_initial_def_for_reduction): Added
14785 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
14786 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
14787 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
14789 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
14790 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
14791 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
14792 (init_optabs): Initialize new optabs widen_ssum_optab,
14794 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
14795 (widen_ssum_optab, widen_usum_optab): Define new optabs.
14796 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
14797 use instead of type of def.
14798 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
14799 function implementation.
14800 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
14801 widen_ssumv8hi): New.
14803 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
14806 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14809 * c-decl.c (add_flexible_array_elts_to_size): New function.
14810 (finish_decl): Use it.
14812 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
14814 * diagnostic.h: Include options.h.
14815 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
14816 dependancies for diagnostic.h.
14817 * Makefile.in (DIAGNOSTIC_H): Add options.h.
14819 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
14821 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
14822 (ssa_ro_call_cache_valid): Ditto.
14823 * tree-ssa-alias.c (sort_tags_by_id): New function.
14824 (init_transitive_clobber_worklist): Ditto.
14825 (add_to_worklist): Ditto.
14826 (mark_aliases_call_clobbered): Ditto.
14827 (compute_tag_properties): Ditto.
14828 (set_initial_properties): Ditto.
14829 (compute_call_clobbered): Ditto.
14830 (compute_may_aliases): Call compute_call_clobbered and grouping.
14831 (compute_flow_sensitive_aliasing): Remove clobbering related code.
14832 (compute_flow_insensitive_aliasing): Grouping now happens in our
14834 (setup_pointers_and_addressables): Remove clobbering related code.
14835 (add_may_alias): Ditto.
14836 (replace_may_alias): Ditto.
14837 (get_nmt_for): Ditto.
14838 (create_global_var):
14839 (is_escape_site): Return an escape_type enumeration.
14840 * tree-flow-inline.h (is_call_clobbered): Global var does not
14841 imply call clobbered.
14842 (mark_call_clobbered): Take a reason for marking this. Remove
14843 marking of globalness, and cache invalidation.
14844 (clear_call_clobbered): Remove cache invalidation code.
14845 * tree-dfa.c (dump_variable): If details is on, dump the reason
14847 * tree-outof-ssa.c (create_temp): Copy escape mask from original
14849 * tree-flow.h (struct ptr_info_def): Add escape mask member.
14850 (struct var_ann_d): Ditto.
14851 (enum escape_type): New.
14852 (mark_call_clobbered): Adjust prototype.
14853 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
14854 are never call clobbered.
14855 Record reasons for escaping.
14856 * tree-ssa-structalias.h (is_escape_site): Update prototype.
14857 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
14858 (ssa_ro_call_cache_valid): Ditto.
14859 (clobbered_v_may_defs): Ditto.
14860 (clobbered_vuses): Ditto.
14861 (ro_call_vuses): Ditto.
14862 (clobber_stats): New.
14863 (init_ssa_operands): Zero out clobber stats.
14864 (fini_ssa_operands): Print out clobber stats.
14865 (get_call_expr_operands): Pass callee fndecl to
14866 add_call_read_ops).
14867 (add_call_clobber_ops): Remove use of cache.
14868 Add use of PURE_CONST information.
14869 (add_call_read_ops): Remove use of cache.
14870 Add use of static not_read information.
14872 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
14874 Introduce TLS descriptors for i386 and x86_64.
14875 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
14876 (TARGET_ANY_GNU_TLS): New macro.
14877 (enum tls_dialect): Added TLS_DIALECT_GNU2.
14878 (struct machine_function): Add tls_descriptor_call_expanded_p.
14879 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
14880 (ix86_current_function_calls_tls_descriptor): Likewise.
14881 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
14882 (override_options): Introduce gnu2 tls dialect.
14883 (ix86_frame_pointer_required): Functions containing TLSCALLs are
14885 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
14887 (legitimize_tls_address): Adjust logic for GNU2 TLS.
14888 (ix86_init_machine_status): Initialize new field.
14889 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
14890 (ix86_tls_module_base): New.
14891 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
14892 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
14893 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
14894 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
14895 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
14896 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
14897 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
14898 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
14899 * config/i386/predicates.md (tls_modbase_operand): New.
14900 (tp_or_register_operand): New.
14902 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
14904 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
14905 (look_for_address_of): Ditto.
14906 (ipa_init): Walk the function decls.
14907 (static_execute): Don't set readonly on FUNCTION_DECL's.
14909 2006-01-18 Roger Sayle <roger@eyesopen.com>
14911 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
14912 for shifts where the source and destination registers are different.
14914 2006-01-18 Paul Brook <paul@codesourcery.com>
14916 Merge from csl-arm-branch.
14917 2005-03-14 Julian Brown <julian@codesourcery.com>
14918 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
14919 (aeabi_llsl): Likewise.
14920 (ashrdi3): Likewise.
14921 (aeabi_lasr): Likewise.
14922 (lshrdi3): Likewise.
14923 (aeabi_llsr): Likewise.
14924 2005-03-10 Julian Brown <julian@codesourcery.com>
14925 * config.gcc: Disable shared libgcc for SymbianOS.
14926 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
14928 2006-01-18 DJ Delorie <dj@redhat.com>
14930 * c-pragma.c (handle_pragma_diagnostic): New.
14931 (init_pragma): Register it.
14932 * doc/extend.texi: Document it.
14934 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
14935 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
14936 (diagnostic_context): Add classify_diagnostic[].
14937 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
14938 as errors if they're overridden to DK_WARNING.
14939 (diagnostic_initialize): Initialize classify_diagnostic[].
14940 (diagnostic_set_kind_override): New.
14941 (diagnostic_report_diagnostic): Check for kind changes.
14942 * opts.c (common_handle_option): Take lang_mask. Update callers.
14943 Handle OPT_Werror_.
14944 * common.opt (Werror=): New.
14945 * doc/invoke.texi: Document -Werror=*
14947 2006-01-18 Jeff Law <law@redhat.com>
14949 * tree-vrp.c (test_for_singularity): Correct test for new
14950 min limit. Use operand_equal_p rather than pointer equality
14951 for testing if new min/max values are equal.
14953 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
14954 using range information until after propagation and folding.
14956 2006-01-18 Richard Henderson <rth@redhat.com>
14957 Aldy Hernandez <aldyh@redhat.com>
14958 Jakub Jelinek <jakub@redhat.com>
14959 Diego Novillo <dnovillo@redhat.com>
14961 * omp-low.c: New file.
14962 * c-omp.c: New file.
14964 2006-01-18 Richard Henderson <rth@redhat.com>
14965 Jakub Jelinek <jakub@redhat.com>
14966 Diego Novillo <dnovillo@redhat.com>
14968 * doc/invoke.texi: Document -fopenmp.
14969 * tree-dump.h (debug_function): Declare.
14970 * hooks.c (hook_bool_tree_bool_false): New function.
14971 (hook_tree_tree_null): Remove.
14972 (hook_tree_tree_tree_null): New.
14973 * hooks.h: Update to match.
14974 * tree-pretty-print.c (debug_tree_chain): New.
14975 (print_generic_expr): Handle TDF_CHAIN.
14976 (dump_generic_node): Handle BLOCK.
14977 Do not abort with incomplete SWITCH_EXPRs.
14978 Do not dump body of an OpenMP directive if TDF_SLIM is given.
14979 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
14980 print space after directive name.
14981 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
14982 Handle OMP_MASTER and OMP_ORDERED.
14983 Handle printing of OMP_BODY just in one place, goto
14984 dump_omp_body in the rest of OMP_* nodes that have
14986 Don't handle clause nodes here. Update omp statements to
14987 use dump_omp_clauses.
14988 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
14989 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
14990 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
14991 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
14992 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
14993 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
14994 Adjust output for GOMP_PARALLEL.
14995 (dump_omp_clauses): New.
14996 (print_declaration): Dump DECL_VALUE_EXPR.
14997 (op_symbol_1): Split out of op_symbol.
14998 (dumping_stmts): Remove. Update all users.
14999 * cgraph.c (cgraph_analyze_queue): New.
15000 (cgraph_add_new_function): New.
15001 * cgraph.h (cgraph_analyze_queue): Declare.
15002 (cgraph_add_new_function): Declare.
15003 (cgraph_lower_function): Remove.
15004 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
15005 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
15006 and TYPE_P nodes in its default clause.
15007 (empty_body_p): New.
15008 (tree_range_check_failed): New.
15009 (build5_stat): New.
15010 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
15011 OMP_CLAUSE_REDUCTION_MERGE,
15012 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
15013 OMP_CLAUSE_PRIVATE_DEBUG,
15014 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
15015 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
15016 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
15017 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
15018 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
15019 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
15020 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
15021 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
15022 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
15023 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
15024 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
15025 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
15026 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
15027 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
15028 (TREE_RANGE_CHECK): New.
15029 (empty_body_p): Declare.
15030 (enum omp_clause_default_kind): New.
15031 (build_string_literal): Declare.
15032 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
15033 (build5_stat, build5): Declare.
15034 * tree-pass.h (TDF_CHAIN): Define.
15035 * tree-pass.h (PROP_gimple_lomp): Define.
15036 (pass_lower_omp): Declare.
15037 * diagnostic.h (debug_tree_chain): Declare.
15038 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
15040 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
15041 * builtins.c (build_string_literal): Make extern.
15042 * gcc.c (include_spec_function): New.
15043 (static_spec_functions): Add it.
15044 (main): Move load of libgomp.spec ...
15045 (LINK_COMMAND_SPEC): ... here.
15046 (link_gomp_spec): New.
15047 (static_specs): Include it.
15048 (LINK_COMMAND_SPEC): Add link_gomp.
15049 (GOMP_SELF_SPECS): New.
15050 (driver_self_specs): Include it.
15051 (switch_matches): Don't mark inline.
15052 (main): Load libgomp.spec.
15053 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
15054 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
15055 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
15056 * tree-gimple.h (enum omp_parallel): Declare.
15057 (determine_parallel_type): Declare.
15058 (omp_firstprivatize_variable): Declare.
15059 (omp_reduction_init): Declare.
15060 (diagnose_omp_structured_block_errors): Declare.
15061 (struct walk_stmt_info): Add want_return_expr.
15062 (struct walk_stmt_info): Add want_bind_expr, want_locations.
15063 (find_omp_clause): Declare.
15064 (insert_field_into_struct): Declare.
15065 (struct walk_stmt_info): Move from tree-nested.c
15066 (walk_stmts): Declare.
15067 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
15069 * cgraphunit.c (cgraph_lower_function): Make static.
15070 (cgraph_finalize_pending_functions): New.
15071 (cgraph_finalize_function): Call it.
15072 (cgraph_finalize_compilation_unit): Likewise.
15073 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
15074 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
15075 (BT_FN_UINT_UINT): New.
15076 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
15077 DEF_FUNCTION_TYPE_VAR_4): Document.
15078 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
15079 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
15080 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
15081 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
15082 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
15083 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
15084 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
15085 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
15086 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
15087 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
15088 into separate files.
15089 (DEF_GOMP_BUILTIN): New.
15090 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
15091 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
15092 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
15093 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
15094 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
15095 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
15096 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
15097 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
15098 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
15099 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
15100 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
15101 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
15102 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
15103 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
15104 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
15105 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
15106 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
15107 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
15108 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
15109 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
15110 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
15111 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
15112 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
15113 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
15114 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
15115 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
15116 * sync-builtins.def: New file, moved from builtins.def.
15117 * omp-builtins.def: New file, moved from builtins.def.
15118 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
15119 * gimple-low.c (lower_function_body): Clear data.
15120 (lower_stmt): Do not handle COMPOUND_EXPR.
15121 Remove call to print_node_brief.
15122 * c-tree.h (c_finish_omp_clauses): New prototype.
15123 (C_DECL_THREADPRIVATE_P): Define.
15124 (lookup_name_no_remap, c_omp_remap_private): Remove
15125 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
15126 (check_for_loop_decls): Update decl.
15127 (lookup_name_no_remap, c_omp_remap_private): Declare.
15128 (build_indirect_ref, build_modify_expr, pushdecl,
15129 pushdecl_top_level): Move to c-common.h.
15130 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
15131 before the switch, but just in the 2 places that need it.
15132 * c-decl.c (diagnose_mismatched_decls): Do not check for
15133 mismatched thread-local attributes when OLDDECL is marked
15134 threadprivate and NEWDECL has no thread-local attributes.
15135 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
15136 (c_gimple_diagnostics_recursively): Rename from
15137 c_warn_unused_result_recursively. Invoke
15138 diagnose_omp_structured_block_errors.
15139 (check_for_loop_decls): Return a singular decl found.
15140 * langhooks.c (lhd_omp_predetermined_sharing): Return
15141 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
15142 (lhd_omp_firstprivatize_type_sizes): New.
15143 (lhd_omp_assignment): New.
15144 (lhd_omp_predetermined_sharing): New.
15145 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
15146 (struct lang_hooks_for_types): Add
15147 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
15148 omp_predetermined_sharing, omp_disregard_value_expr,
15149 omp_private_debug_clause, omp_clause_default_ctor,
15150 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
15151 (c_finish_omp_clauses): New.
15152 (c_finish_bc_stmt): Diagnose break within omp for.
15153 (c_begin_omp_parallel, c_finish_omp_parallel): New.
15154 (build_unary_op): Return error_mark after reporting
15156 (build_modify_expr): Likewise.
15157 * gimplify.c: Include optabs.h and pointer-set.h.
15158 (enum gimplify_omp_var_data): Declare.
15159 (struct gimplify_omp_ctx): Declare.
15160 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
15162 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
15163 (push_gimplify_context, pop_gimplify_context): Allow nesting.
15164 (splay_tree_compare_decl_uid): New.
15165 (new_omp_context): New.
15166 (delete_omp_context): New.
15167 (gimple_add_tmp_var): Call omp_add_variable.
15168 (gimplify_bind_expr): Likewise.
15169 (gimplify_var_or_parm_decl): If omp_notice_variable returned
15170 true, disregard DECL_VALUE_EXPR on the decl if any.
15171 (gimplify_expr_in_ctx): New.
15172 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
15173 omp_add_variable, omp_notice_variable, omp_is_private
15174 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
15175 gimplify_adjust_omp_clauses, gimplify_omp_parallel
15176 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
15177 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
15178 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
15179 gimplify_omp_atomic): New.
15180 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15181 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15182 OMP_CRITICAL and OMP_ATOMIC.
15183 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
15184 * c-pragma.h (enum pragma_kind): Add
15185 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
15186 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
15187 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
15188 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
15189 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
15190 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
15191 PRAGMA_OMP_THREADPRIVATE.
15192 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15193 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15194 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
15195 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
15196 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
15197 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
15198 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
15199 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
15200 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
15201 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
15202 * tree-ssa-dce.c (find_control_dependence): Do not assume that
15203 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
15204 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
15206 (struct nesting_info): Add field_map,
15207 suppress_expansion, debug_var_chain.
15208 (create_nesting_tree): Initialize them.
15209 (lookup_field_for_decl): Use field_map.
15210 (get_nonlocal_debug_decl, get_local_debug_decl): New.
15211 (convert_local_omp_clauses): New.
15212 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
15213 (walk_body): Split out of walk_function.
15214 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
15215 (convert_nonlocal_reference): Handle omp statements.
15216 (convert_local_reference): Likewise.
15217 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
15218 (unnest_nesting_tree): New.
15219 (lower_nested_functions): Call it.
15220 (insert_field_into_struct): Make extern.
15221 (struct walk_stmt_info): Move to tree-gimple.h.
15222 (walk_stmts): Make extern.
15223 * omp-builtins.def: New file.
15224 * tree-iterator.c (expr_only): Clarify comment.
15225 * c-common.h (pushdecl_top_level, pushdecl,
15226 build_modify_expr, build_indirect_ref,
15227 c_finish_omp_master, c_finish_omp_critical,
15228 c_finish_omp_ordered, c_finish_omp_barrier,
15229 c_finish_omp_atomic, c_finish_omp_flush,
15230 c_finish_omp_for, c_split_parallel_clauses,
15231 omp_clause_default_kind, c_omp_sharing_predetermined,
15232 c_omp_remap_decl): Declare.
15233 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
15234 (OBJS-common): Add omp-low.o.
15235 (c-omp.o, omp-low.o): Add.
15236 (gimplify.o): Add dependency on $(OPTABS_H).
15237 (GTFILES): Add omp-low.c.
15238 (gt-stringpool.h): Add.
15239 * tree-cfg.c (set_bb_for_stmt): Do not update the
15240 block-to-labels map if we are currently expanding to RTL.
15241 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
15243 Handle IDENTIFIER_NODE.
15244 (tree_verify_flow_info): Do not ICE when emitting error
15245 messages about invalid labels.
15246 (dump_function_to_file): Reset CFUN before emitting the body
15248 (debug_function): New.
15249 * passes.c (init_optimization_passes): Schedule
15251 * langhooks-def.h (lhd_omp_predetermined_sharing,
15252 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
15254 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
15255 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
15256 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
15257 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
15258 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
15259 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
15260 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
15261 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
15262 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
15263 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
15264 (LANG_HOOK_DECLS): Use them.
15266 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
15267 Richard Henderson <rth@redhat.com>
15268 Jakub Jelinek <jakub@redhat.com>
15269 Diego Novillo <dnovillo@redhat.com>
15271 * c-parser.c (pragma_omp_clause): Define.
15272 (c_parser_declaration_or_fndef): Document OpenMP syntax.
15273 (c_parser_compound_statement): Likewise.
15274 (c_parser_statement): Likewise.
15275 (c_parser_pragma): Handle omp pragmas.
15276 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
15277 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
15278 (c_parser_omp_clause_name, check_no_duplicate_clause,
15279 c_parser_omp_variable_list,
15280 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
15281 c_parser_omp_clause_copyprivate,
15282 c_parser_omp_clause_default,
15283 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
15284 c_parser_omp_clause_lastprivate,
15285 c_parser_omp_clause_nowait,
15286 c_parser_omp_clause_num_threads,
15287 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
15288 c_parser_omp_clause_reduction,
15289 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
15290 c_parser_omp_all_clauses, c_parser_omp_structured_block,
15291 c_parser_omp_atomic, c_parser_omp_barrier,
15292 c_parser_omp_critical, c_parser_omp_flush,
15293 c_parser_omp_for_loop, c_parser_omp_for,
15294 c_parser_omp_master, c_parser_omp_ordered,
15295 c_parser_omp_sections_scope, c_parser_omp_sections,
15296 c_parser_omp_parallel, c_parser_omp_single,
15297 c_parser_omp_construct, c_parser_omp_threadprivate): New.
15298 * c-pragma.c (init_pragma): Do omp pragma registration here.
15299 * c.opt (fopenmp): New flag.
15301 2006-01-18 Eric Christopher <echristo@apple.com>
15303 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
15304 * config/darwin.h (GOMP_SELF_SPECS): Define.
15306 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15308 * rtl.h: Remove the prototype for reg_alloc.
15310 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15313 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
15314 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
15315 sjlj and dwarf2 exception handling.
15316 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
15317 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
15318 * pa/pa.c (function_value): Treat complex and vector types as
15320 (function_arg): Likewise. Only pass scalar floats in the floating
15321 point argument registers.
15322 * pa/t-slibgcc-dwarf-ver: New file.
15323 * pa/t-slibgcc-sjlj-ver: New file.
15324 * pa/t-slibgcc-elf-ver: Delete file.
15326 2006-01-19 Alan Modra <amodra@bigpond.net.au>
15328 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
15329 unlikely_test_section_p test.
15331 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15333 * mode-switching.c (optimize_mode_switching): Make it static.
15334 * basic-block.h: Remove the prototype for
15335 optimize_mode_switching.
15337 * modulo-sched.c (sms_schedule): Make it static.
15338 * rtl.h: Remove the prototype for sms_schedule.
15340 * postreload-gcse.c (gcse_after_reload_main): Make it static.
15341 * rtl.h: Remove the prototype for gcse_after_reload_main.
15343 * reg-stack.c (reg_to_stack): Make it static.
15344 * rtl.h: Remove the prototype for reg_to_stack.
15346 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
15348 * rtl.h: Remove the prototypes for regrename_optimize and
15349 copyprop_hardreg_forward.
15351 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
15353 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
15354 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
15355 Test against the appropriate null constant for the mode.
15356 If 'fixup_overlap' is true, swap the operands if they overlap.
15357 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
15358 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
15359 alpha_split_tmode_pair and adjust for above change.
15360 * config/alpha/alpha.md (movtf_internal): Adjust call to
15361 alpha_split_tfmode_pair and rely on it to swap the operands.
15362 (movti_internal): New insn and post-reload splitter.
15363 (movti): New expander.
15365 2006-01-18 Philippe De Muyter <phdm@macqel.be>
15367 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
15370 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15372 * rtlanal.c (global_reg_mentioned_p_1,
15373 global_reg_mentioned_p): Remove.
15374 * rtl.h: Remove the prototype for global_reg_mentioned_p.
15376 * flow.c (initialize_uninitialized_subregs): Make it static.
15377 * rtl.h: Remove the prototype for
15378 initialize_uninitialized_subregs.
15380 * function.c (instantiate_virtual_regs): Make it static.
15381 * function.h: Remove the prototype for
15382 instantiate_virtual_regs.
15384 * regmove.c (regmove_optimize, combine_stack_adjustments):
15386 * rtl.h: Remove the prototypes for regmove_optimize and
15387 combine_stack_adjustments.
15389 2006-01-17 Roger Sayle <roger@eyesopen.com>
15391 * config/i386/i386.c (COSTS_N_BYTES): New macro.
15392 (size_cost): Encode costs in bytes so that a reg-reg addition is
15393 equivalent to COSTS_N_INSNS(1).
15394 (override_options): Use the size_cost.branch_cost as the default
15395 ix86_branch_cost when optimizing for size.
15397 2006-01-18 Ben Elliston <bje@au.ibm.com>
15399 * Makefile.in (D32PBIT_FUNCS): New.
15400 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
15401 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
15402 D64PBIT_FUNCS and D128PBIT_FUNCS.
15403 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
15404 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
15406 (decnumber_dep): Define.
15407 * doc/libgcc.texi (Decimal float library routines): New node.
15408 * config/dfp-bit.h, config/dfp-bit.c: New files.
15410 2006-01-18 Ben Elliston <bje@au.ibm.com>
15412 * expr.c (emit_move_change_mode): Always adjust addresses, not
15413 just during reload. Copy replacements only during reload.
15414 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
15415 emit_move_via_integer.
15417 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
15419 * Makefile.in (check-%, check-consistency): Use $${srcdir}
15420 instead of $(srcdir) and ${srcdir}.
15422 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
15425 PR middle-end/11135
15426 * arm.h (struct machine_function): Add pic_reg.
15427 * arm.c (arm_pic_register): Make unsigned.
15428 (arm_override_options): Only set arm_pic_register if
15429 TARGET_SINGLE_PIC_BASE.
15430 (use_return_insn): Only test for a pic register if it is fixed.
15431 (arm_compute_save_reg0_reg12_mask): Likewise.
15432 (thumb_compute_save_reg_mask): Likewise.
15433 (legitimate_pic_operand): Factor out some known invariants.
15434 (legitimize_pic_address): If we don't have a fixed pic register,
15435 then set up a pseudo in the function entry sequence. Handle the
15436 pic base being in a pseudo.
15437 (arm_load_pic_register): Handle the pic register being in a pseudo.
15438 (arm_expand_prologue): Only set up the pic register if it is fixed.
15439 (thumb_expand_prologue): Likewise.
15440 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
15441 (pic_load_addr_based_insn): Likewise.
15442 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
15445 2006-01-18 Ben Elliston <bje@au.ibm.com>
15447 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
15448 decimal float modes for all floating point registers.
15450 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
15451 match_code "mem" with match_test "macho_lo_sum_memory_operand".
15453 2006-01-17 Jakub Jelinek <jakub@redhat.com>
15456 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
15457 even when the pointer is not NULL.
15459 2006-01-16 Ian Lance Taylor <ian@airs.com>
15461 * common.opt (ftoplevel-reorder): New option.
15462 * cgraph.c (cgraph_asm_nodes): New global variable.
15463 (cgraph_asm_last_node): New static variable.
15464 (cgraph_order): New global variable.
15465 (cgraph_create_node): Set new order field.
15466 (cgraph_varpool_node): Likewise.
15467 (decide_is_variable_needed): Return true if not
15468 flag_toplevel_reorder.
15469 (cgraph_add_asm_node): New function.
15470 * cgraph.h (struct cgraph_node): Add order field.
15471 (struct cgraph_varpool_node): Add order field.
15472 (struct cgraph_asm_node): Define.
15473 (cgraph_asm_nodes, cgraph_order): Declare.
15474 (cgraph_add_asm_node): Declare.
15475 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
15477 (cgraph_varpool_assemble_pending_decls): Call it.
15478 (cgraph_output_pending_asms): New static function.
15479 (cgraph_finalize_compilation_unit): Call it.
15480 (struct cgraph_order_sort): Define.
15481 (cgraph_output_in_order): New static function.
15482 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
15483 !flag_toplevel_reorder case.
15484 * c-parser.c: Include "cgraph.h".
15485 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
15487 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
15488 than -fno-unit-at-a-time.
15489 * doc/invoke.texi (Option Summary): Mention
15490 -fno-toplevel-reorder.
15491 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
15492 -funit-at-a-time documentation.
15494 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
15495 Kazu Hirata <kazu@codesourcery.com>
15497 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
15499 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
15501 * Makefile.in (FUNCTION_H): New. Use it instead of
15502 function.h throughout the file.
15503 * function.h: Include tree.h.
15505 2006-01-17 Ben Elliston <bje@au.ibm.com>
15507 * recog.c: Separate some functions with whitespace.
15509 2006-01-16 Richard Henderson <rth@redhat.com>
15511 Merge from gomp branch:
15512 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
15513 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
15514 and rename from struct inline_data. Rename callee* to dst*;
15515 caller* to src*; add copy_decl hook, transform_call_graph_edges,
15516 transform_new_cfg, transform_return_to_modify, and
15517 transform_lang_insert_block flags; remove cloning_p, versioning_p,
15519 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
15520 (copy_decl_for_dup): Remove.
15521 * tree-inline.c (struct inline_data): Move to header.
15522 (insert_decl_map): Export.
15523 (remap_decl): Update for member name changes. Use copy_decl hook.
15524 Allow for replacement to be a non-decl. Remove dead code.
15525 (remap_type_1): Check for existing mapping.
15526 (remap_type): Export.
15527 (remap_decls): Update for member name changes.
15528 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
15529 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
15530 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
15531 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
15532 (tree_function_versioning, build_duplicate_type): Likewise.
15533 (copy_body_r): Likewise. Export.
15534 (copy_decl_for_dup): Split into ...
15535 (copy_decl_for_dup_finish, copy_decl_to_var,
15536 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
15537 (replace_ref_tree, inlining_p): Remove.
15539 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15541 * ifcvt.c (if_convert): Make it static.
15542 * rtl.h: Remove the prototype for if_convert.
15544 * local-alloc.c (local_alloc): Make it static.
15545 * rtl.h: Remove the prototype for local_alloc.
15547 * loop.c (loop_optimize): Make it static.
15548 * cfgloop.h: Remove the prototype for loop_optimize.
15551 2006-01-16 DJ Delorie <dj@redhat.com>
15553 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
15556 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15558 * pa.md: Disparage copies between general and floating-point registers
15559 in 32-bit move patterns.
15561 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
15564 * Makefile.in (check-%): Depend on site.exp instead of
15565 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
15568 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15570 * global.c (global_alloc): Make it static.
15571 * rtl.h: Remove the prototype for global_alloc.
15573 2006-01-16 Richard Guenther <rguenther@suse.de>
15575 * tree-ssa-alias.c (struct used_part): Add write_only field.
15576 (get_or_create_used_part_for): Initialize it to true.
15577 (create_overlap_variables_for): Don't create structure variables
15578 for structures that only are written to.
15579 (find_used_portions): Handle MODIFY_EXPR to track whether a
15580 structure is only written to.
15582 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15584 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
15586 * basic-block.h: Remove the prototype for
15587 partition_hot_cold_basic_blocks.
15589 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
15591 * cppspec.c (lang_specific_spec_functions): Remove.
15592 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
15593 * gcc.h (lang_specific_spec_functions): Remove.
15594 * gccspec.c (lang_specific_spec_functions): Remove.
15596 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
15598 * combine.c (record_value_for_reg): Invalidate registers
15600 (record_dead_and_set_regs_1): Likewise, by passing them to
15601 record_value_for_reg.
15602 (record_dead_and_set_regs): Invalidate stores made by a
15603 call. We do not combine across a call, but we still
15604 relied on equivalences.
15606 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15608 * tree-vrp.c (extract_range_from_binary_expr): Cope with
15609 vrp_int_const_binop returning non-constant nodes.
15611 2006-01-16 Paul Brook <paul@codesourcery.com>
15613 * config/m68k/m68k.c (output_move_const_into_data_reg):
15614 Output correct mnemonic for mvz and mvs.
15616 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
15618 * rtl-factoring.c: Add sequence abstraction algorithm.
15619 * cfgcleanup.c (outgoing_edges_match): Extra checks.
15620 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
15622 (block_has_preserve_label): New function.
15623 * common.opt: Register new pass.
15624 * Makefile.in: Ditto.
15626 * timevar.def: Ditto.
15627 * tree-pass.h: Ditto.
15628 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
15629 * rtl.h (make_jump_insn_raw): Add forward decl.
15630 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
15632 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15633 Roger Sayle <roger@eyesopen.com>
15635 * fold-const.c (fold_minmax): New static function.
15636 (fold_binary) <MIN_EXPR>: Call it.
15637 <MAX_EXPR>: Likewise.
15638 * stor-layout.c (place_field): Use DECL_SIZE consistently
15639 in the computation of the new record size.
15641 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15643 * cse.c (cse_condition_code_reg): Make it static.
15644 * rtl.h: Remove the prototype for cse_condition_code_reg.
15646 * combine.c (combine_instructions): Make it static.
15647 * rtl.h: Remove the prototype for combine_instructions.
15649 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15652 * tree.c (get_file_function_name_long): Concatenate the first global
15653 object name with a string derived from the input filename of the object
15656 2006-01-16 Ben Elliston <bje@au.ibm.com>
15658 * config/i386/winnt-stubs.c: Update FSF address.
15659 * config/xtensa/ieee754-df.S: Ditto.
15660 * config/xtensa/ieee754-sf.S: Ditto.
15662 2006-01-14 Ian Lance Taylor <ian@airs.com>
15664 * ifcvt.c (noce_init_if_info): New static function, broken out of
15665 noce_process_if_block.
15666 (noce_process_if_block): Call noce_init_if_info.
15667 (check_cond_move_block): New static function.
15668 (cond_move_process_if_block): New static function.
15669 (process_if_block): Call cond_move_process_if_block.
15671 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
15673 * cselib.c (hash_table): Rename to cselib_hash_table.
15674 (cselib_clear_table, discard_useless_values,
15675 remove_useless_values, cselib_lookup_mem, cselib_lookup,
15676 cselib_init, cselib_finish): Adjust uses of hash_table.
15678 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
15680 PR tree-optimization/25485
15681 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
15682 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
15683 is known to be false and true, respectively.
15685 2006-01-14 Richard Guenther <rguenther@suse.de>
15687 PR tree-optimization/22548
15688 PR tree-optimization/22555
15689 PR tree-optimization/22501
15690 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
15691 * params.def (salias-max-array-elements): New parameter.
15692 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
15693 * doc/invoke.texi (salias-max-array-elements): Document.
15694 * tree-flow-inline.h (var_can_have_subvars): We also handle
15696 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
15698 * tree-ssa-structalias.c (params.h): Include.
15699 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
15700 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
15701 (get_constraint_for): For ADDR_EXPR operating on something
15702 containing an ARRAY_REF, add all subvars to the solution.
15703 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
15704 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
15705 for creating MUST_DEFs.
15706 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
15708 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
15710 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
15712 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
15713 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
15714 number_of_iterations_le): New functions.
15715 (number_of_iterations_special): Removed.
15716 (number_of_iterations_exit): Do not use number_of_iterations_special.
15717 * tree.c (unsigned_type_for): Always return integer type.
15719 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
15720 Richard Guenther <rguenther@suse.de>
15722 PR rtl-optimization/24257
15723 * gcse.c (find_moveable_store): Only consider a store movable
15724 when the SET_SRC of the insn can be assigned to a register.
15726 2006-01-14 Ian Lance Taylor <ian@airs.com>
15728 * tree.c (tree_not_class_check_failed): New function.
15729 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
15730 (tree_not_class_check_failed): Declare.
15732 2006-01-13 Ian Lance Taylor <ian@airs.com>
15734 * reload1.c (do_output_reload): Add assertion rejecting a
15737 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
15739 * combine.c (struct reg_stat): Add new fields truncation_label and
15741 (record_value_for_reg): Reset truncated_to_mode.
15742 (record_truncated_value): New function.
15743 (check_promoted_subreg): Call it. Rename to check_conversions.
15744 (combine_instructions): Rename check_promoted_subreg to
15746 (reg_truncated_to_mode): New function.
15747 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
15748 (gen_lowpart_or_truncate): New function.
15749 (force_to_mode): Use it instead of gen_lowpart.
15751 2006-01-13 Diego Novillo <dnovillo@redhat.com>
15753 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
15754 VAR is a tag, not its type tag.
15756 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
15758 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
15759 alternatives to match style of other entries.
15760 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
15762 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
15764 PR tree-optimization/25771
15765 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
15768 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
15771 * tree-inline.c (declare_return_variable): If the return variable
15772 was marked as a non gimple complex, set the return slot variable
15773 to be a non gimple comple variable.
15775 2006-01-13 Richard Guenther <rguenther@suse.de>
15777 * builtins.c (expand_builtin_sincos): New function.
15778 (expand_builtin_mathfn_3): Remove dead code, sin and cos
15780 (expand_builtin): Expand sincos using expand_builtin_sincos.
15782 2006-01-12 DJ Delorie <dj@redhat.com>
15784 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
15785 shift counts, separate SI shifts for m32c vs m16c, pass shift type
15786 so that constant shifts can be split.
15787 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
15788 (m32c_valid_pointer_mode): Make static.
15789 (shift_gen_func_for): New.
15790 (m32c_prepare_shift): Use it. Split large const shifts into
15792 * config/m32c/predicates.md (shiftcount_operand): Allow more
15794 (longshiftcount_operand): New.
15795 * doc/md.texi (Machine Constraints): Document In6.
15797 2006-01-13 Ben Elliston <bje@au.ibm.com>
15799 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
15800 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
15803 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
15805 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
15806 to try to avoid clobbering pieces of structures when we know
15807 something about the whole structure.
15808 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
15810 2006-01-13 Ben Elliston <bje@au.ibm.com>
15812 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
15813 return in memory, as this is no limitation is no longer present.
15815 2006-01-12 DJ Delorie <dj@redhat.com>
15817 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
15818 mova with fb, and for fb+0 -> An.
15820 * config/m32c/mov.md (peephole2): Fix enabling logic.
15822 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
15823 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
15824 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
15825 FINI_ARRAY_SECTION_ASM_OP): Define.
15827 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
15829 (m32c_legitimize_reload_address): New logic to reload FB to An.
15830 (m32c_output_reg_push): Add newline.
15831 (m32c_output_reg_pop): Likewise.
15833 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
15835 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
15837 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
15839 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
15841 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15843 * config/sh/predicates.md (sh_rep_vec): Add parallel to
15846 2006-01-11 Ben Elliston <bje@au.ibm.com>
15848 * rtlanal.c (find_reg_note): Assert insn is not null.
15850 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
15852 * df-scan.c (df_hard_reg_init): Move declaration of i outside
15855 2006-01-11 Jeff Law <law@redhat.com>
15857 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
15859 (mark_threaded_blocks, register_jump_thread): New functions.
15860 (thread_through_all_blocks): Remove unwanted argument. No
15861 longer rely on e->aux to communicate thread target info.
15862 Call mark_threaded_blocks. Release the threaded_blocks
15863 bitmap and threaded_edges vector when complete.
15864 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
15865 (threaded_blocks): Remove.
15866 (tree_ssa_dominator_optimize): Remove initialization and
15867 finalization of threaded_blocks. Simplify call to
15868 thread_through_all_blocks.
15869 (thread_across_edge): Call register_jump_thread rather than
15870 storing thread information into e->aux.
15871 (free_all_edge_infos): Simplify now that e->aux is no longer
15872 used to communicate with thread_through_all_blocks.
15873 * tree-flow.h (thread_through_all_blocks): Update prototype.
15874 (register_jump_thread): Prototype.
15876 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15878 * df-core.c (df_compact_blocks, df_bb_replace): Use
15879 SET_BASIC_BLOCK instead of BASIC_BLOCK.
15881 2006-01-11 Richard Guenther <rguenther@suse.de>
15883 PR tree-optimization/25734
15884 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
15885 stop propagation after successful propagation to the LHS.
15887 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15889 * basic-block.h (control_flow_graph): Change the type of
15890 x_basic_block_info to VEC(basic_block,gc) *.
15891 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
15893 (SET_BASIC_BLOCK): New.
15894 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
15895 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
15896 * cfgbuild.c (find_basic_blocks): Likewise.
15897 * cfglayout.c (fixup_reorder_chain): Likewise.
15898 * cfgrtl.c (create_basic_block_structure,
15899 rtl_create_basic_block): Likewise.
15900 * ifcvt.c (find_if_case_1): Likewise.
15901 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
15904 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
15906 * Makefile.in: Removed rotted odf.c entry.
15908 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
15911 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
15912 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
15913 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
15914 output pattern modifier, not %e.
15915 * config/cris/cris.c (cris_op_str): Update comment about pattern
15917 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
15918 before falling through into...
15919 <case 'E'>: Redefined from old 'e' case.
15921 2006-01-11 Jan Hubicka <jh@suse.cz>
15924 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
15926 2006-01-11 Jan Hubicka <jh@suse.cz>
15928 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
15929 * i386.c (x86_decompose_lea): Kill.
15930 (ix86_rtx_costs): Kill.
15932 2006-01-11 Jan Hubicka <jh@suse.cz>
15934 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
15935 * cgraph.h (cgraph_node): Add inline_decl.
15936 (cgraph_insert_node_to_hashtable): Declare.
15937 (save_inline_function_body): Declare.
15938 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
15940 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
15941 (cgraph_function_versioning): Update call of tree_function_versioning.
15942 (save_inline_function_body): New function.
15943 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
15944 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
15945 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
15946 (cgraph_default_inline_p): Likewise.
15947 (cgraph_decide_inlining_incrementally): Likewise.
15948 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
15949 (copy_bb): Kill saving; do updating of clones.
15950 (copy_cfg_body): Kill saving.
15951 (initialize_inlined-parameters): Likewise.
15952 (expand_call_inline): Likewise.
15954 (tree_function_versioning): New parameter "update_clones".
15955 (inlining_p): Kill saving.
15956 * tree-inline.h (tree_function_versioning): Update prototype.
15957 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
15960 2006-01-11 Ian Lance Taylor <ian@airs.com>
15962 * combine.c (struct undo): Remove is_int. Enumify types of undos.
15963 Allow undoing set of machine mode.
15964 (do_SUBST): Use enums instead of is_int.
15965 (do_SUBST_MODE): New function.
15966 (SUBST_MODE): New macro.
15967 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
15968 reg and trying to replace reg_regno_rtx with a new register.
15969 (undo_all): Use new enums, handle undoing a PUT_MODE change.
15970 (simplify_set): Use SUBST_MODE.
15971 (distribute_notes): Remove code that tried to update reg notes
15972 for regno_reg_rtx changes.
15974 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
15976 PR tree-optimization/23109
15977 PR tree-optimization/23948
15978 PR tree-optimization/24123
15980 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
15981 * tree-cfg.c (single_noncomplex_succ): New.
15982 * tree-flow.h (single_noncomplex_succ): Declare it.
15983 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
15984 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
15985 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
15986 insert_bb, register_division_in, insert_reciprocals,
15987 replace_reciprocal, free_bb): New.
15988 (execute_cse_reciprocals_1): Rewritten.
15989 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
15990 Do not commit any edge insertion. Always compute dominators and
15991 create the allocation pool.
15992 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
15993 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
15994 * targhooks.c (default_min_divistions_for_recip_mul): New.
15995 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
15996 * passes.c (init_optimization_passes): Run recip after tree loop
15998 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
16000 2006-01-11 Danny Berlin <dberlin@dberlin.org>
16001 Kenneth Zadeck <zadeck@naturalbridge.com>
16003 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
16004 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
16005 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
16006 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
16007 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
16008 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
16009 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
16010 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
16011 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
16012 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
16013 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
16014 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
16015 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
16016 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
16017 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
16018 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
16019 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
16020 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
16021 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
16022 DF_SCAN_POST_ALLOC): New macros.
16023 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
16024 df_free_bb_function, df_local_compute_function, df_init_function,
16025 df_dataflow_function, df_confluence_function_0,
16026 df_confluence_function_n, df_transfer_function,
16027 df_finalizer_function, df_free_function, df_dump_problem_function,
16028 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
16029 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
16030 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
16031 df_urec_bb_info, ) New types.
16032 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
16034 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
16035 df_analyze_simple_change_some_blocks,
16036 df_analyze_simple_change_one_block, df_compact_blocks,
16037 df_bb_replace, df_bb_regno_last_use_find,
16038 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
16039 df_insn_regno_def_p, df_find_def, df_find_use,
16040 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
16041 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
16042 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
16043 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
16044 debug_df_chain, df_get_dependent_problem, df_chain_create,
16045 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
16046 df_grow_bb_info, df_chain_dump, df_print_bb_index,
16047 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
16048 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
16049 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
16050 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
16051 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
16052 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
16053 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
16054 df_ref_remove, df_insn_refs_delete, df_refs_delete,
16055 df_reorganize_refs, df_set_state, df_hard_reg_init,
16056 df_read_modify_subreg_p) New public functions.
16057 * df-core.c: The core dataflow solver and glue routines for rtl
16059 (df_init, df_add_problem, df_set_blocks, df_finish,
16060 df_hybrid_search_forward, df_hybrid_search_backward,
16061 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
16062 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
16063 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
16064 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
16065 df_reg_defined, df_find_use, df_reg_used, df_dump,
16066 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
16067 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
16068 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
16069 debug_df_useno, reset_df_after_reload): New functions.
16070 * df-scan.c: The scanning fuctions, once in df.c, completely
16071 rewritten so that they now fully model the functionality of
16072 register usage at the backend.
16073 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
16074 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
16075 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
16076 df_grow_insn_info, df_rescan_blocks, df_ref_create,
16077 df_get_artificial_defs, df_get_artificial_uses,
16078 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
16079 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
16080 df_refs_delete, df_reorganize_refs, df_set_state,
16081 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
16082 df_def_record_1, df_defs_record, df_uses_record,
16083 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
16084 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
16085 df_record_exit_block_uses, df_hard_reg_init): New functions.
16087 * df-problems.c: Seven concrete dataflow problems that use the
16088 scanning in df-scan.c and are solved by the engine in df-core.c.
16089 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
16090 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
16091 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
16092 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
16093 df_ru_free_bb_info, df_ru_alloc,
16094 df_ru_bb_local_compute_process_def,
16095 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
16096 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
16097 df_ru_transfer_function, df_ru_free, df_ru_dump,
16098 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
16099 df_rd_free_bb_info, df_rd_alloc,
16100 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
16101 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
16102 df_rd_transfer_function, df_rd_free, df_rd_dump,
16103 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
16104 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
16105 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
16106 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
16107 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
16108 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
16109 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
16110 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
16111 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
16112 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
16113 df_urec_mark_reg_change, df_urec_check_earlyclobber,
16114 df_urec_mark_reg_use_for_earlyclobber,
16115 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
16116 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
16117 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
16118 df_urec_dump, df_urec_add_problem, df_chain_alloc,
16119 df_chain_create_bb_process_use, df_chain_create_bb,
16120 df_chain_finalize, df_chain_free, df_chains_dump,
16121 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
16122 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
16123 df_reg_lifetime): New functions.
16124 * df.c: Deleted file.
16125 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
16126 consistent with new df api.
16127 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
16128 rest_of_handle_sms): Ditto.
16129 * web.c (unionfind_union, union_defs, entry_register, web_main):
16131 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
16132 invariant_expr_equal_p, find_defs, check_dependencies,
16133 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
16134 free_inv_motion_data, move_loop_invariants): Ditto.
16135 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
16136 Update dependencies.
16137 (odf.c): Added defective entry that was deleted later in day.
16138 * sched-deps.c (sched_analyze_1): Ditto.
16140 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
16142 * tree-ssa-operands.c (get_expr_operands): Record addressable
16143 variables directly. Do not call add_stmt_operands for CONST_DECLs
16145 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
16146 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
16148 2006-01-11 Ben Elliston <bje@au.ibm.com>
16150 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
16151 function returns true in the positive case.
16153 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16156 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
16157 for SI, DI, SF and DF modes. Add alternatives to copy between
16158 general and floating point registers to the 32-bit patterns.
16159 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
16160 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
16161 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
16162 generating 64-bit code.
16163 * config/pa/pa.c (output_move_double): Handle copies between general
16164 and floating registers.
16166 2006-01-10 Stuart Hastings <stuart@apple.com>
16168 * config/i386/i386.md (set_got): Update.
16169 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
16170 (builtin_setjmp_receiver): Mach-O support.
16171 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
16172 (GOT_SYMBOL_NAME): Define.
16173 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
16174 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
16175 * config/i386/i386.c (override_options): Revise for Darwin.
16176 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
16177 support. (darwin_x86_file_end): New. (output_set_got): Add label
16178 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
16179 * config/i386/i386-protos.h (output_set_got): Likewise.
16180 * config/darwin.c (machopic_legitimize_pic_address): Update
16183 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
16185 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
16186 when MODE isn't BLKmode.
16188 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
16190 PR rtl-optimization/25367
16191 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
16193 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
16196 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
16197 for a negative bound.
16199 2006-01-10 Richard Guenther <rguenther@suse.de>
16201 * tree-ssa-structalias.c (get_constraint_for_component_ref):
16202 Never override with anything constraint.
16204 2006-01-10 Jan Beulich <jbeulich@novell.com>
16206 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
16207 256 bits when optimize_size.
16209 2006-01-10 Jan Beulich <jbeulich@novell.com>
16211 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
16213 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
16214 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
16217 2006-01-10 Ben Elliston <bje@au.ibm.com>
16219 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
16221 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
16222 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
16223 (USE_FP_FOR_ARG): Reject decimal float modes.
16224 (function_arg_advance): Likewise.
16225 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
16226 (rs6000_handle_altivec_attribute): Do not permit decimal floating
16227 point types in AltiVec vectors.
16228 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
16229 (rs6000_libcall_value): Likewise.
16231 2006-01-09 Bob Wilson <bob.wilson@acm.org>
16233 * config/xtensa/ieee754-df.S: New file.
16234 * config/xtensa/ieee754-sf.S: New file.
16235 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
16236 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
16237 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
16239 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
16241 * config/sh/predicates.md (binary_float_operator,
16242 binary_logical_operator, commutative_float_operator,
16243 equality_comparison_operator, greater_comparison_operator,
16244 less_comparison_operator, logical_operator,
16245 noncommutative_float_operator, shift_operator,
16246 symbol_ref_operand, unary_float_operator): Remove redundant
16249 2006-01-09 Jeff Law <law@redhat.com>
16251 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
16252 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
16253 now unused arguments. Callers updated.
16254 (eliminate_redundant_computations): Remove now unused arguments,
16256 (local_fold): Remove, no longer used.
16257 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
16259 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
16260 (simplify_cond): New function.
16261 (forward_propagate_into_cond): Call simplify_cond.
16263 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
16265 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
16266 (*vec_extractv2di_1_sse): New.
16268 2006-01-09 Ben Elliston <bje@au.ibm.com>
16270 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
16272 2006-01-08 Richard Guenther <rguenther@suse.de>
16274 * tree-ssa-structalias.c (get_constraint_for): Remove
16275 anyoffset argument.
16276 (get_constraint_for_component_ref): Likewise.
16277 (do_deref): Likewise.
16278 (get_constraint_for): Likewise.
16279 (do_structure_copy): Likewise.
16280 (handle_ptr_arith): Likewise.
16281 (find_func_aliases): Likewise. Remove unused need_anyoffset
16284 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
16285 Kaz Kojima <kkojima@gcc.gnu.org>
16287 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
16288 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
16289 (EXTRA_CONSTRAINT_C16): Remove.
16290 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
16291 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
16292 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
16293 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
16294 constants of SHmedia. Handle nested constant expressions of
16296 (andcosts): Fix the costs for SHmedia constants.
16297 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
16298 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
16299 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
16300 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
16301 (movv4hi_i, movv2si_i): Likewise.
16302 (movsi_const): Adjust the second operand of ior so to match with
16303 the Csu constraint.
16304 (movdi_const, movdi_const_32bit): Likewise.
16305 (movdi_const_16bit+1): Don't sign-extend LOW.
16306 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
16308 (*double_shori): Fix the split condition. Use GEN_INT instead
16309 of get_int_mode calls. Mask lower 16-bit of the argument of
16311 (sym2GOTPLT): Remove.
16312 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
16314 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
16315 instead of EXTRA_CONSTRAINT_C16.
16317 2006-01-07 Ian Lance Taylor <ian@airs.com>
16318 David Edelsohn <edelsohn@gnu.org>
16320 PR rtl-optimization/25662
16321 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
16322 for constant operands instead of simplify_gen_binary.
16323 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
16324 after trying simplify_binary_operation
16326 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
16328 * tree.c (iterative_hash_expr): Hash decls based on UID.
16330 2006-01-06 Eric Christopher <echristo@apple.com>
16332 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
16333 (TARGET_UNWIND_EMIT): Fix spelling.
16334 * target.h (gcc_target): Add except_table_label.
16335 * except.c (output_function_exception_table): Use.
16336 * varasm.c (default_emit_except_table_label): New.
16337 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
16339 (asm_out): Add here.
16340 * output.h (default_emit_except_table_label): Prototype.
16341 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
16342 * config/darwin.c (darwin_emit_except_table_label): Define.
16343 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
16345 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
16347 PR tree-optimization/18527
16348 * tree-ssa-loop-niter.c (number_of_iterations_cond,
16349 number_of_iterations_special, number_of_iterations_exit):
16350 Move base and step of an iv to a single structure. Add
16351 no_overflow flag, and use it in # of iterations analysis.
16352 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
16353 folded_casts argument.
16354 (simple_iv): Pass base and step in a structure. Set no_overflow
16356 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
16357 Evaluate expensiveness of computing # of iterations instead of
16358 the final expression.
16359 * tree-scalar-evolution.h (affine_iv): New structure.
16360 (simple_iv): Declaration changed.
16361 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
16362 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
16363 find_givs_in_stmt): Changed due to simple_iv change.
16365 2006-01-06 Jeff Law <law@redhat.com>
16368 * tree-cfg.c (bsi_replace): Rename final argument from
16369 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
16370 change (stmt -> orig_stmt).
16371 * tree-eh.c (verify_eh_throw_stmt_node): New function.
16372 (bsi_remove): Add new argument. Remove EH information
16374 (verify_eh_throw_table_statements): New function.
16375 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
16377 * tree-optimize.c (execute_free_cfg_annotations): Verify
16378 the EH throw statement table after removing annotations.
16379 * except.h (verify_eh_throw_table_statements): Prototype.
16380 * tree-flow.h (bsi_remove): Update prototype.
16381 * tree-vrp.c (remove_range_assertions): Add new argument to
16383 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
16384 * tree-complex.c (expand_complex_div_wide): Likewise.
16385 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
16386 * tree-tailcall.c (eliminate_tailcall): Likewise.
16387 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
16388 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
16389 * tree-nrv.c (tree_nrv): Likewise.
16390 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
16391 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
16392 (combine_blocks): Likewise.
16393 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
16394 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
16395 (cleanup_control_flow): Likewise.
16396 (remove_forwarder_block): Likewise.
16397 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
16398 * tree-sra.c (sra_replace): Likewise.
16399 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
16400 (forward_propagate_single_use_vars): Likewise.
16401 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
16402 * tree-inline.c (expand_call_inline): Likewise.
16403 * tree-vect-transform.c (vect_transform_loop): Likewise.
16404 * tree-outof-ssa.c (rewrite_trees): Likewise.
16405 * tree-cfg.c (make_goto_expr_edges): Likewise.
16406 (cleanup_dead_labels): Likewise.
16407 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
16408 (bsi_move_before, bsi_move_after): Likewise.
16409 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
16410 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
16412 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
16415 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
16417 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
16418 on non gimple variables. Also add checks at the top for decls and
16420 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
16422 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
16423 and IMAGPART_EXPR for creating MUST_DEFs.
16424 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
16425 and NAME_MEMORY_TAG separately from the DECLs.
16427 2006-01-06 Richard Guenther <rguenther@suse.de>
16429 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
16430 annotation, if necessary.
16431 * tree-ssa-pre.c (create_expression_by_pieces): Remove
16432 redundant calls to update_stmt.
16433 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
16436 2006-01-05 Richard Henderson <rth@redhat.com>
16438 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
16440 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16442 * c-typeck.c: Update copyright date.
16444 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16446 * c-typeck.c (build_c_cast): Always warn when casting
16447 from a pointer to an integer of different size, even if
16448 the node was constant.
16450 2006-01-05 Richard Guenther <rguenther@suse.de>
16452 PR tree-optimization/22555
16453 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
16454 if one structure field is an array.
16455 * tree-ssa-operands.c (get_expr_operands): Continue scanning
16456 operands even if we found a subvar, but ignore VOPs in this
16458 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
16460 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
16462 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
16464 PR middle-end/24998
16465 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
16467 2006-01-05 Richard Guenther <rguenther@suse.de>
16468 Diego Novillo <dnovillo@redhat.com>
16470 * tree-pass.h (TODO_remove_unused_locals): Define.
16471 * gimple-low.c (expand_var_p, remove_useless_vars,
16472 pass_remove_useless_vars): Remove. Update all users.
16473 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
16474 (remove_unused_locals): New function.
16475 * tree-flow.h (remove_unused_locals): Declare.
16476 * passes.c (execute_todo): Call remove_unused_locals if
16477 TODO_remove_unused_locals is set.
16478 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
16479 * tree-ssa-dce.c (pass_dce): Likewise.
16480 * tree-outof-ssa.c (pass_del_ssa): Likewise.
16482 2006-01-05 Richard Guenther <rguenther@suse.de>
16484 * tree-flow.h (struct fieldoff): Decompose field to
16485 type, size and decl.
16486 * tree-ssa-alias.c (create_sft): Take type as parameter.
16487 (create_overlap_variables_for): Store type, size and decl
16488 in the fieldoff structure.
16489 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
16490 of struct fieldoff.
16491 (push_fields_onto_fieldstack): Likewise.
16492 (create_variable_info_for): Likewise. Use offset for the
16493 SFT name if the decl is not available.
16495 2006-01-04 Paul Brook <paul@codesourcery.com>
16497 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
16499 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
16501 * lambda-code.c (can_put_in_inner_loop): Relax
16503 (can_put_after_inner_loop): New function.
16504 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
16505 (perfect_nestify): Change to make copies and modify uses.
16507 2006-01-04 Richard Henderson <rth@redhat.com>
16509 Merge from gomp branch:
16510 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
16511 via integer constant.
16512 (pragma_lex): Remove.
16513 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
16514 rather than parsing it.
16515 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
16516 handle_pragma_extern_prefix): Add %< %> quotes.
16517 (registered_pragmas): New.
16518 (c_register_pragma_1): New.
16519 (c_register_pragma): Use it.
16520 (c_register_pragma_with_expansion): Likewise.
16521 (c_invoke_pragma_handler): New.
16522 (init_pragma): Use cpp_register_deferred_pragma directly for
16524 * c-pragma.h (enum pragma_kind): New.
16525 (pragma_handler): New.
16526 (c_invoke_pragma_handler): Declare.
16527 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
16529 * c-common.h (c_common_pch_pragma): Update decl.
16530 * Makefile.in (c-parser.o): Update dependencies.
16531 (GTFILES): Add c-pragma.h.
16532 * c-parser.c (struct c_token): Add pragma_kind.
16533 (struct c_parser): Add in_pragma.
16534 (c_lex_one_token): Always initialize keyword and pragma_kind.
16535 Extract data for CPP_PRAGMA.
16536 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
16537 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
16538 Don't allow CPP_PRAGMA_EOL if in_pragma.
16539 (c_parser_consume_pragma): New.
16540 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
16541 (c_parser_skip_to_end_of_parameter): Likewise.
16542 (c_parser_skip_to_end_of_block_or_statement): Likewise.
16543 (c_parser_skip_to_pragma_eol): New.
16544 (c_parser_external_declaration): Handle CPP_PRAGMA.
16545 (c_parser_compound_statement_nostart): Likewise.
16546 (c_parser_statement_after_labels): Likewise.
16547 (c_parser_pragma): New.
16548 (pragma_lex): Likewise.
16549 (c_parser_pragma_pch_preprocess): New.
16550 (c_parser_new): Merge into ...
16551 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
16553 2006-01-04 Jeff Law <law@redhat.com>
16556 * tree-cfg.c (bsi_replace): Remove the original statement
16557 from the EH throw statement table.
16559 2006-01-04 Jakub Jelinek <jakub@redhat.com>
16561 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
16562 make the prototype extern "C" and add throw ().
16565 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
16566 and pos non-negative and pos + len <= 32.
16567 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
16568 drop pos + len < HOST_BITS_PER_WIDE_INT test.
16569 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
16572 * c-common.c (handle_vector_size_attribute): Reject zero vector size
16573 as well as sizes not multiple of component size.
16576 * function.c (instantiate_expr): New function.
16577 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
16578 walk its DECL_VALUE_EXPR with instantiate_expr.
16580 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
16581 DW_OP_deref{,_size} if address isn't going to be added.
16583 2006-01-04 Ben Elliston <bje@au.ibm.com>
16585 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
16586 * config/fp-bit.c: Likewise.
16588 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
16590 * dominance.c: Add comment about why we use DFS numbering
16593 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16594 Richard Henderson <rth@redhat.com>
16596 Merge from gomp-branch:
16597 * varasm.c (assemble_variable): Handle thread-local COMMON data.
16598 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
16600 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
16602 PR rtl-optimization/25578
16603 * combine.c (combine_simplify_rtx, force_to_mode): Don't
16604 pass a parameter to simplify_shift_const if changing ASHIFTRT
16607 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
16609 * builtins.c (get_builtin_sync_mem): New function.
16610 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
16611 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
16612 Call get_builtin_sync_mem to generate mem rtx.
16614 2006-01-03 Richard Guenther <rguenther@suse.de>
16617 * stmt.c (add_case_node): Make sure to clear overflow flags
16620 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16622 Merge from gomp-branch.
16623 * config/sparc/sync.md: New file.
16624 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
16625 UNSPECV_LDSTUB): New constants.
16626 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
16627 * config/sparc/predicates.md (memory_reg_operand): New predicate.
16628 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
16631 2006-01-03 Roger Sayle <roger@eyesopen.com>
16633 * combine.c (reg_subword_p): New predicate to test whether the
16634 destination of a set refers to a subword/piece of a register.
16635 (try_combine): Generalize the code to merge the setting of a
16636 pseudo to a constant followed by a set of a subword of that
16637 register to a constant.
16639 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
16641 * basic-block.h (control_flow_graph): Change the type of
16642 x_label_to_block_map to VEC(basic_block,gc) *.
16643 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
16644 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
16646 * tree-ssa-propagate.c (cfg_blocks): Change the type to
16647 VEC(basic_block,heap) *.
16648 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
16649 ssa_prop_fini): Adjust the uses of cfg_blocks.
16651 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
16653 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
16655 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
16656 hashing trees instead of a pointer hash.
16657 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
16658 compare for MEM_EXPR.
16660 PR rtl-optimization/25130
16661 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
16662 when comparing MEMs for GCSE
16664 2006-01-03 Ben Elliston <bje@au.ibm.com>
16666 * targhooks.h (default_decimal_float_supported_p): Declare.
16667 * targhooks.c (default_decimal_float_supported_p): Define.
16668 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
16669 `default_decimal_float_supported_p'.
16670 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
16672 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
16674 * combine.c (apply_distributive_law <SUBREG>): Check
16675 TRULY_NOOP_TRUNCATION.
16677 2006-01-02 Geoffrey Keating <geoffk@apple.com>
16679 * dwarf2out.c (have_switched_text_section): Delete.
16680 (have_multiple_function_sections): New.
16681 (have_location_lists): Make 'bool'.
16682 (add_AT_loc_list): Use 'true' not '1'.
16683 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
16684 (output_loc_list): Use have_multiple_function_sections.
16685 (output_ranges): Likewise.
16686 (dwarf2out_begin_function): Set have_multiple_function_sections if
16688 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
16689 Check function_section rather than DECL_SECTION_NAME.
16690 (dwarf2out_finish): Use have_multiple_function_sections.
16691 Don't clear have_location_lists.
16693 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
16694 Jan Hubicka <jh@suse.cz>
16696 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
16697 case of conditional jump jumping to the next instruction.
16698 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
16699 cases of conditional jump jumping to the next instruction.
16701 2006-01-02 Jan Hubicka <jh@suse.cz>
16703 * i386.c (*_cost): Add COSTS_N_INSNS.
16704 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
16706 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
16709 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
16711 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
16713 * config/arm/arm.c (all_fpus): Fix comment typo.
16714 * config/darwin.c: Likewise.
16715 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
16716 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
16717 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
16719 2006-01-01 David Edelsohn <edelsohn@gnu.org>
16721 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
16722 (rs6000_split_compare_and_swapqhi): New.
16723 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
16724 (sync_compare_and_swapqhi_internal): New.
16725 * config/rs6000/rs6000-protos.h: Declare.