/* Definitions of target machine for GNU compiler, for IBM RS/6000 POWER running AIX version 4.3. Copyright (C) 1998, 1999, 2000, 2001, 2003, 2004, 2005, 2006 Free Software Foundation, Inc. Contributed by David Edelsohn (edelsohn@gnu.org). This file is part of GCC. GCC is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. GCC is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with GCC; see the file COPYING. If not, write to the Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ /* Sometimes certain combinations of command options do not make sense on a particular target machine. You can define a macro `OVERRIDE_OPTIONS' to take account of this. This macro, if defined, is executed once just after all the command options have been parsed. The macro SUBTARGET_OVERRIDE_OPTIONS is provided for subtargets, to get control. */ #define NON_POWERPC_MASKS (MASK_POWER | MASK_POWER2) #define SUBTARGET_OVERRIDE_OPTIONS \ do { \ if (TARGET_64BIT && (target_flags & NON_POWERPC_MASKS)) \ { \ target_flags &= ~NON_POWERPC_MASKS; \ warning (0, "-maix64 and POWER architecture are incompatible"); \ } \ if (TARGET_64BIT && ! TARGET_POWERPC64) \ { \ target_flags |= MASK_POWERPC64; \ warning (0, "-maix64 requires PowerPC64 architecture remain enabled"); \ } \ if (TARGET_SOFT_FLOAT && TARGET_LONG_DOUBLE_128) \ { \ rs6000_long_double_type_size = 64; \ if (rs6000_explicit_options.long_double) \ warning (0, "soft-float and long-double-128 are incompatible"); \ } \ if (TARGET_POWERPC64 && ! TARGET_64BIT) \ { \ error ("-maix64 required: 64-bit computation with 32-bit addressing not yet supported"); \ } \ } while (0); #undef ASM_SPEC #define ASM_SPEC "-u %{maix64:-a64 %{!mcpu*:-mppc64}} %(asm_cpu)" /* Common ASM definitions used by ASM_SPEC amongst the various targets for handling -mcpu=xxx switches. */ #undef ASM_CPU_SPEC #define ASM_CPU_SPEC \ "%{!mcpu*: %{!maix64: \ %{mpower: %{!mpower2: -mpwr}} \ %{mpower2: -mpwr2} \ %{mpowerpc*: %{!mpowerpc64: -mppc}} \ %{mpowerpc64: -mppc64} \ %{!mpower*: %{!mpowerpc*: %(asm_default)}}}} \ %{mcpu=common: -mcom} \ %{mcpu=power: -mpwr} \ %{mcpu=power2: -mpwr2} \ %{mcpu=power3: -m620} \ %{mcpu=power4: -m620} \ %{mcpu=powerpc: -mppc} \ %{mcpu=rios: -mpwr} \ %{mcpu=rios1: -mpwr} \ %{mcpu=rios2: -mpwr2} \ %{mcpu=rsc: -mpwr} \ %{mcpu=rsc1: -mpwr} \ %{mcpu=rs64a: -mppc} \ %{mcpu=601: -m601} \ %{mcpu=602: -mppc} \ %{mcpu=603: -m603} \ %{mcpu=603e: -m603} \ %{mcpu=604: -m604} \ %{mcpu=604e: -m604} \ %{mcpu=620: -m620} \ %{mcpu=630: -m620}" #undef ASM_DEFAULT_SPEC #define ASM_DEFAULT_SPEC "-mcom" #undef TARGET_OS_CPP_BUILTINS #define TARGET_OS_CPP_BUILTINS() \ do \ { \ builtin_define ("_AIX43"); \ TARGET_OS_AIX_CPP_BUILTINS (); \ } \ while (0) #undef CPP_SPEC #define CPP_SPEC "%{posix: -D_POSIX_SOURCE}\ %{ansi: -D_ANSI_C_SOURCE}\ %{maix64: -D__64BIT__}\ %{mpe: -I/usr/lpp/ppe.poe/include}\ %{pthread: -D_THREAD_SAFE}" /* The GNU C++ standard library requires that these macros be defined. */ #undef CPLUSPLUS_CPP_SPEC #define CPLUSPLUS_CPP_SPEC \ "-D_ALL_SOURCE \ %{maix64: -D__64BIT__} \ %{mpe: -I/usr/lpp/ppe.poe/include} \ %{pthread: -D_THREAD_SAFE}" #undef TARGET_DEFAULT #define TARGET_DEFAULT MASK_NEW_MNEMONICS #undef PROCESSOR_DEFAULT #define PROCESSOR_DEFAULT PROCESSOR_PPC604e /* Define this macro as a C expression for the initializer of an array of string to tell the driver program which options are defaults for this target and thus do not need to be handled specially when using `MULTILIB_OPTIONS'. Do not define this macro if `MULTILIB_OPTIONS' is not defined in the target makefile fragment or if none of the options listed in `MULTILIB_OPTIONS' are set by default. *Note Target Fragment::. */ #undef MULTILIB_DEFAULTS #define MULTILIB_DEFAULTS { "mcpu=common" } #undef LIB_SPEC #define LIB_SPEC "%{pg:-L/lib/profiled -L/usr/lib/profiled}\ %{p:-L/lib/profiled -L/usr/lib/profiled}\ %{!maix64:%{!shared:%{g*:-lg}}}\ %{mpe:-L/usr/lpp/ppe.poe/lib -lmpi -lvtd}\ %{pthread:-L/usr/lib/threads -lpthreads -lc_r /usr/lib/libc.a}\ %{!pthread:-lc}" #undef LINK_SPEC #define LINK_SPEC "-bpT:0x10000000 -bpD:0x20000000 %{!r:-btextro} -bnodelcsect\ %{static:-bnso %(link_syscalls) } %{shared:-bM:SRE %{!e:-bnoentry}}\ %{!maix64:%{!shared:%{g*: %(link_libg) }}} %{maix64:-b64}\ %{mpe:-binitfini:poe_remote_main}" #undef STARTFILE_SPEC #define STARTFILE_SPEC "%{!shared:\ %{maix64:%{pg:gcrt0_64%O%s}%{!pg:%{p:mcrt0_64%O%s}%{!p:crt0_64%O%s}}}\ %{!maix64:\ %{pthread:%{pg:gcrt0_r%O%s}%{!pg:%{p:mcrt0_r%O%s}%{!p:crt0_r%O%s}}}\ %{!pthread:%{pg:gcrt0%O%s}%{!pg:%{p:mcrt0%O%s}%{!p:crt0%O%s}}}}}" /* AIX 4.3 typedefs ptrdiff_t as "long" while earlier releases used "int". */ #undef PTRDIFF_TYPE #define PTRDIFF_TYPE "long int" /* AIX 4 uses PowerPC nop (ori 0,0,0) instruction as call glue for PowerPC and "cror 31,31,31" for POWER architecture. */ #undef RS6000_CALL_GLUE #define RS6000_CALL_GLUE "{cror 31,31,31|nop}" /* AIX 4.2 and above provides initialization and finalization function support from linker command line. */ #undef HAS_INIT_SECTION #define HAS_INIT_SECTION #undef LD_INIT_SWITCH #define LD_INIT_SWITCH "-binitfini" /* The IBM AIX 4.x assembler doesn't support forward references in .set directives. We handle this by deferring the output of .set directives to the end of the compilation unit. */ #define TARGET_DEFERRED_OUTPUT_DEFS(DECL,TARGET) true /* This target uses the aix64.opt file. */ #define TARGET_USES_AIX64_OPT 1