1 //===- ARMInstrInfo.td - Target Description for ARM Target -*- tablegen -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file describes the ARM instructions in TableGen format.
12 //===----------------------------------------------------------------------===//
14 //===----------------------------------------------------------------------===//
15 // ARM specific DAG Nodes.
19 def SDT_ARMCallSeqStart : SDCallSeqStart<[ SDTCisVT<0, i32> ]>;
20 def SDT_ARMCallSeqEnd : SDCallSeqEnd<[ SDTCisVT<0, i32>, SDTCisVT<1, i32> ]>;
22 def SDT_ARMSaveCallPC : SDTypeProfile<0, 1, []>;
24 def SDT_ARMcall : SDTypeProfile<0, -1, [SDTCisPtrTy<0>]>;
26 def SDT_ARMCMov : SDTypeProfile<1, 3,
27 [SDTCisSameAs<0, 1>, SDTCisSameAs<0, 2>,
30 def SDT_ARMBrcond : SDTypeProfile<0, 2,
31 [SDTCisVT<0, OtherVT>, SDTCisVT<1, i32>]>;
33 def SDT_ARMBrJT : SDTypeProfile<0, 3,
34 [SDTCisPtrTy<0>, SDTCisVT<1, i32>,
37 def SDT_ARMBr2JT : SDTypeProfile<0, 4,
38 [SDTCisPtrTy<0>, SDTCisVT<1, i32>,
39 SDTCisVT<2, i32>, SDTCisVT<3, i32>]>;
41 def SDT_ARMCmp : SDTypeProfile<0, 2, [SDTCisSameAs<0, 1>]>;
43 def SDT_ARMPICAdd : SDTypeProfile<1, 2, [SDTCisSameAs<0, 1>,
44 SDTCisPtrTy<1>, SDTCisVT<2, i32>]>;
46 def SDT_ARMThreadPointer : SDTypeProfile<1, 0, [SDTCisPtrTy<0>]>;
47 def SDT_ARMEH_SJLJ_Setjmp : SDTypeProfile<1, 2, [SDTCisInt<0>, SDTCisPtrTy<1>,
49 def SDT_ARMEH_SJLJ_Longjmp: SDTypeProfile<0, 2, [SDTCisPtrTy<0>, SDTCisInt<1>]>;
51 def SDT_ARMMEMBARRIERV7 : SDTypeProfile<0, 0, []>;
52 def SDT_ARMSYNCBARRIERV7 : SDTypeProfile<0, 0, []>;
53 def SDT_ARMMEMBARRIERV6 : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
54 def SDT_ARMSYNCBARRIERV6 : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
56 def SDT_ARMTCRET : SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>;
59 def ARMWrapper : SDNode<"ARMISD::Wrapper", SDTIntUnaryOp>;
60 def ARMWrapperJT : SDNode<"ARMISD::WrapperJT", SDTIntBinOp>;
62 def ARMcallseq_start : SDNode<"ISD::CALLSEQ_START", SDT_ARMCallSeqStart,
63 [SDNPHasChain, SDNPOutFlag]>;
64 def ARMcallseq_end : SDNode<"ISD::CALLSEQ_END", SDT_ARMCallSeqEnd,
65 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
67 def ARMcall : SDNode<"ARMISD::CALL", SDT_ARMcall,
68 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag,
70 def ARMcall_pred : SDNode<"ARMISD::CALL_PRED", SDT_ARMcall,
71 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag,
73 def ARMcall_nolink : SDNode<"ARMISD::CALL_NOLINK", SDT_ARMcall,
74 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag,
77 def ARMretflag : SDNode<"ARMISD::RET_FLAG", SDTNone,
78 [SDNPHasChain, SDNPOptInFlag]>;
80 def ARMcmov : SDNode<"ARMISD::CMOV", SDT_ARMCMov,
82 def ARMcneg : SDNode<"ARMISD::CNEG", SDT_ARMCMov,
85 def ARMbrcond : SDNode<"ARMISD::BRCOND", SDT_ARMBrcond,
86 [SDNPHasChain, SDNPInFlag, SDNPOutFlag]>;
88 def ARMbrjt : SDNode<"ARMISD::BR_JT", SDT_ARMBrJT,
90 def ARMbr2jt : SDNode<"ARMISD::BR2_JT", SDT_ARMBr2JT,
93 def ARMcmp : SDNode<"ARMISD::CMP", SDT_ARMCmp,
96 def ARMcmpZ : SDNode<"ARMISD::CMPZ", SDT_ARMCmp,
97 [SDNPOutFlag,SDNPCommutative]>;
99 def ARMpic_add : SDNode<"ARMISD::PIC_ADD", SDT_ARMPICAdd>;
101 def ARMsrl_flag : SDNode<"ARMISD::SRL_FLAG", SDTIntUnaryOp, [SDNPOutFlag]>;
102 def ARMsra_flag : SDNode<"ARMISD::SRA_FLAG", SDTIntUnaryOp, [SDNPOutFlag]>;
103 def ARMrrx : SDNode<"ARMISD::RRX" , SDTIntUnaryOp, [SDNPInFlag ]>;
105 def ARMthread_pointer: SDNode<"ARMISD::THREAD_POINTER", SDT_ARMThreadPointer>;
106 def ARMeh_sjlj_setjmp: SDNode<"ARMISD::EH_SJLJ_SETJMP",
107 SDT_ARMEH_SJLJ_Setjmp, [SDNPHasChain]>;
108 def ARMeh_sjlj_longjmp: SDNode<"ARMISD::EH_SJLJ_LONGJMP",
109 SDT_ARMEH_SJLJ_Longjmp, [SDNPHasChain]>;
111 def ARMMemBarrierV7 : SDNode<"ARMISD::MEMBARRIER", SDT_ARMMEMBARRIERV7,
113 def ARMSyncBarrierV7 : SDNode<"ARMISD::SYNCBARRIER", SDT_ARMMEMBARRIERV7,
115 def ARMMemBarrierV6 : SDNode<"ARMISD::MEMBARRIER", SDT_ARMMEMBARRIERV6,
117 def ARMSyncBarrierV6 : SDNode<"ARMISD::SYNCBARRIER", SDT_ARMMEMBARRIERV6,
120 def ARMrbit : SDNode<"ARMISD::RBIT", SDTIntUnaryOp>;
122 def ARMtcret : SDNode<"ARMISD::TC_RETURN", SDT_ARMTCRET,
123 [SDNPHasChain, SDNPOptInFlag, SDNPVariadic]>;
125 //===----------------------------------------------------------------------===//
126 // ARM Instruction Predicate Definitions.
128 def HasV4T : Predicate<"Subtarget->hasV4TOps()">;
129 def NoV4T : Predicate<"!Subtarget->hasV4TOps()">;
130 def HasV5T : Predicate<"Subtarget->hasV5TOps()">;
131 def HasV5TE : Predicate<"Subtarget->hasV5TEOps()">;
132 def HasV6 : Predicate<"Subtarget->hasV6Ops()">;
133 def HasV6T2 : Predicate<"Subtarget->hasV6T2Ops()">;
134 def NoV6T2 : Predicate<"!Subtarget->hasV6T2Ops()">;
135 def HasV7 : Predicate<"Subtarget->hasV7Ops()">;
136 def NoVFP : Predicate<"!Subtarget->hasVFP2()">;
137 def HasVFP2 : Predicate<"Subtarget->hasVFP2()">;
138 def HasVFP3 : Predicate<"Subtarget->hasVFP3()">;
139 def HasNEON : Predicate<"Subtarget->hasNEON()">;
140 def HasDivide : Predicate<"Subtarget->hasDivide()">;
141 def HasT2ExtractPack : Predicate<"Subtarget->hasT2ExtractPack()">;
142 def UseNEONForFP : Predicate<"Subtarget->useNEONForSinglePrecisionFP()">;
143 def DontUseNEONForFP : Predicate<"!Subtarget->useNEONForSinglePrecisionFP()">;
144 def IsThumb : Predicate<"Subtarget->isThumb()">;
145 def IsThumb1Only : Predicate<"Subtarget->isThumb1Only()">;
146 def IsThumb2 : Predicate<"Subtarget->isThumb2()">;
147 def IsARM : Predicate<"!Subtarget->isThumb()">;
148 def IsDarwin : Predicate<"Subtarget->isTargetDarwin()">;
149 def IsNotDarwin : Predicate<"!Subtarget->isTargetDarwin()">;
151 // FIXME: Eventually this will be just "hasV6T2Ops".
152 def UseMovt : Predicate<"Subtarget->useMovt()">;
153 def DontUseMovt : Predicate<"!Subtarget->useMovt()">;
155 def UseVMLx : Predicate<"Subtarget->useVMLx()">;
157 //===----------------------------------------------------------------------===//
158 // ARM Flag Definitions.
160 class RegConstraint<string C> {
161 string Constraints = C;
164 //===----------------------------------------------------------------------===//
165 // ARM specific transformation functions and pattern fragments.
168 // so_imm_neg_XFORM - Return a so_imm value packed into the format described for
169 // so_imm_neg def below.
170 def so_imm_neg_XFORM : SDNodeXForm<imm, [{
171 return CurDAG->getTargetConstant(-(int)N->getZExtValue(), MVT::i32);
174 // so_imm_not_XFORM - Return a so_imm value packed into the format described for
175 // so_imm_not def below.
176 def so_imm_not_XFORM : SDNodeXForm<imm, [{
177 return CurDAG->getTargetConstant(~(int)N->getZExtValue(), MVT::i32);
180 // rot_imm predicate - True if the 32-bit immediate is equal to 8, 16, or 24.
181 def rot_imm : PatLeaf<(i32 imm), [{
182 int32_t v = (int32_t)N->getZExtValue();
183 return v == 8 || v == 16 || v == 24;
186 /// imm1_15 predicate - True if the 32-bit immediate is in the range [1,15].
187 def imm1_15 : PatLeaf<(i32 imm), [{
188 return (int32_t)N->getZExtValue() >= 1 && (int32_t)N->getZExtValue() < 16;
191 /// imm16_31 predicate - True if the 32-bit immediate is in the range [16,31].
192 def imm16_31 : PatLeaf<(i32 imm), [{
193 return (int32_t)N->getZExtValue() >= 16 && (int32_t)N->getZExtValue() < 32;
198 return ARM_AM::getSOImmVal(-(int)N->getZExtValue()) != -1;
199 }], so_imm_neg_XFORM>;
203 return ARM_AM::getSOImmVal(~(int)N->getZExtValue()) != -1;
204 }], so_imm_not_XFORM>;
206 // sext_16_node predicate - True if the SDNode is sign-extended 16 or more bits.
207 def sext_16_node : PatLeaf<(i32 GPR:$a), [{
208 return CurDAG->ComputeNumSignBits(SDValue(N,0)) >= 17;
211 /// bf_inv_mask_imm predicate - An AND mask to clear an arbitrary width bitfield
213 def bf_inv_mask_imm : Operand<i32>,
215 uint32_t v = (uint32_t)N->getZExtValue();
218 // there can be 1's on either or both "outsides", all the "inside"
220 unsigned int lsb = 0, msb = 31;
221 while (v & (1 << msb)) --msb;
222 while (v & (1 << lsb)) ++lsb;
223 for (unsigned int i = lsb; i <= msb; ++i) {
229 let PrintMethod = "printBitfieldInvMaskImmOperand";
232 /// Split a 32-bit immediate into two 16 bit parts.
233 def lo16 : SDNodeXForm<imm, [{
234 return CurDAG->getTargetConstant((uint32_t)N->getZExtValue() & 0xffff,
238 def hi16 : SDNodeXForm<imm, [{
239 return CurDAG->getTargetConstant((uint32_t)N->getZExtValue() >> 16, MVT::i32);
242 def lo16AllZero : PatLeaf<(i32 imm), [{
243 // Returns true if all low 16-bits are 0.
244 return (((uint32_t)N->getZExtValue()) & 0xFFFFUL) == 0;
247 /// imm0_65535 predicate - True if the 32-bit immediate is in the range
249 def imm0_65535 : PatLeaf<(i32 imm), [{
250 return (uint32_t)N->getZExtValue() < 65536;
253 class BinOpFrag<dag res> : PatFrag<(ops node:$LHS, node:$RHS), res>;
254 class UnOpFrag <dag res> : PatFrag<(ops node:$Src), res>;
256 /// adde and sube predicates - True based on whether the carry flag output
257 /// will be needed or not.
258 def adde_dead_carry :
259 PatFrag<(ops node:$LHS, node:$RHS), (adde node:$LHS, node:$RHS),
260 [{return !N->hasAnyUseOfValue(1);}]>;
261 def sube_dead_carry :
262 PatFrag<(ops node:$LHS, node:$RHS), (sube node:$LHS, node:$RHS),
263 [{return !N->hasAnyUseOfValue(1);}]>;
264 def adde_live_carry :
265 PatFrag<(ops node:$LHS, node:$RHS), (adde node:$LHS, node:$RHS),
266 [{return N->hasAnyUseOfValue(1);}]>;
267 def sube_live_carry :
268 PatFrag<(ops node:$LHS, node:$RHS), (sube node:$LHS, node:$RHS),
269 [{return N->hasAnyUseOfValue(1);}]>;
271 //===----------------------------------------------------------------------===//
272 // Operand Definitions.
276 def brtarget : Operand<OtherVT>;
278 // A list of registers separated by comma. Used by load/store multiple.
279 def reglist : Operand<i32> {
280 let PrintMethod = "printRegisterList";
283 // An operand for the CONSTPOOL_ENTRY pseudo-instruction.
284 def cpinst_operand : Operand<i32> {
285 let PrintMethod = "printCPInstOperand";
288 def jtblock_operand : Operand<i32> {
289 let PrintMethod = "printJTBlockOperand";
291 def jt2block_operand : Operand<i32> {
292 let PrintMethod = "printJT2BlockOperand";
296 def pclabel : Operand<i32> {
297 let PrintMethod = "printPCLabel";
300 // shifter_operand operands: so_reg and so_imm.
301 def so_reg : Operand<i32>, // reg reg imm
302 ComplexPattern<i32, 3, "SelectShifterOperandReg",
303 [shl,srl,sra,rotr]> {
304 let PrintMethod = "printSORegOperand";
305 let MIOperandInfo = (ops GPR, GPR, i32imm);
308 // so_imm - Match a 32-bit shifter_operand immediate operand, which is an
309 // 8-bit immediate rotated by an arbitrary number of bits. so_imm values are
310 // represented in the imm field in the same 12-bit form that they are encoded
311 // into so_imm instructions: the 8-bit immediate is the least significant bits
312 // [bits 0-7], the 4-bit shift amount is the next 4 bits [bits 8-11].
313 def so_imm : Operand<i32>,
315 return ARM_AM::getSOImmVal(N->getZExtValue()) != -1;
317 let PrintMethod = "printSOImmOperand";
320 // Break so_imm's up into two pieces. This handles immediates with up to 16
321 // bits set in them. This uses so_imm2part to match and so_imm2part_[12] to
322 // get the first/second pieces.
323 def so_imm2part : Operand<i32>,
325 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
327 let PrintMethod = "printSOImm2PartOperand";
330 def so_imm2part_1 : SDNodeXForm<imm, [{
331 unsigned V = ARM_AM::getSOImmTwoPartFirst((unsigned)N->getZExtValue());
332 return CurDAG->getTargetConstant(V, MVT::i32);
335 def so_imm2part_2 : SDNodeXForm<imm, [{
336 unsigned V = ARM_AM::getSOImmTwoPartSecond((unsigned)N->getZExtValue());
337 return CurDAG->getTargetConstant(V, MVT::i32);
340 def so_neg_imm2part : Operand<i32>, PatLeaf<(imm), [{
341 return ARM_AM::isSOImmTwoPartVal(-(int)N->getZExtValue());
343 let PrintMethod = "printSOImm2PartOperand";
346 def so_neg_imm2part_1 : SDNodeXForm<imm, [{
347 unsigned V = ARM_AM::getSOImmTwoPartFirst(-(int)N->getZExtValue());
348 return CurDAG->getTargetConstant(V, MVT::i32);
351 def so_neg_imm2part_2 : SDNodeXForm<imm, [{
352 unsigned V = ARM_AM::getSOImmTwoPartSecond(-(int)N->getZExtValue());
353 return CurDAG->getTargetConstant(V, MVT::i32);
356 /// imm0_31 predicate - True if the 32-bit immediate is in the range [0,31].
357 def imm0_31 : Operand<i32>, PatLeaf<(imm), [{
358 return (int32_t)N->getZExtValue() < 32;
361 // Define ARM specific addressing modes.
363 // addrmode2 := reg +/- reg shop imm
364 // addrmode2 := reg +/- imm12
366 def addrmode2 : Operand<i32>,
367 ComplexPattern<i32, 3, "SelectAddrMode2", []> {
368 let PrintMethod = "printAddrMode2Operand";
369 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
372 def am2offset : Operand<i32>,
373 ComplexPattern<i32, 2, "SelectAddrMode2Offset", []> {
374 let PrintMethod = "printAddrMode2OffsetOperand";
375 let MIOperandInfo = (ops GPR, i32imm);
378 // addrmode3 := reg +/- reg
379 // addrmode3 := reg +/- imm8
381 def addrmode3 : Operand<i32>,
382 ComplexPattern<i32, 3, "SelectAddrMode3", []> {
383 let PrintMethod = "printAddrMode3Operand";
384 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
387 def am3offset : Operand<i32>,
388 ComplexPattern<i32, 2, "SelectAddrMode3Offset", []> {
389 let PrintMethod = "printAddrMode3OffsetOperand";
390 let MIOperandInfo = (ops GPR, i32imm);
393 // addrmode4 := reg, <mode|W>
395 def addrmode4 : Operand<i32>,
396 ComplexPattern<i32, 2, "SelectAddrMode4", []> {
397 let PrintMethod = "printAddrMode4Operand";
398 let MIOperandInfo = (ops GPR:$addr, i32imm);
401 // addrmode5 := reg +/- imm8*4
403 def addrmode5 : Operand<i32>,
404 ComplexPattern<i32, 2, "SelectAddrMode5", []> {
405 let PrintMethod = "printAddrMode5Operand";
406 let MIOperandInfo = (ops GPR:$base, i32imm);
409 // addrmode6 := reg with optional writeback
411 def addrmode6 : Operand<i32>,
412 ComplexPattern<i32, 2, "SelectAddrMode6", []> {
413 let PrintMethod = "printAddrMode6Operand";
414 let MIOperandInfo = (ops GPR:$addr, i32imm);
417 def am6offset : Operand<i32> {
418 let PrintMethod = "printAddrMode6OffsetOperand";
419 let MIOperandInfo = (ops GPR);
422 // addrmodepc := pc + reg
424 def addrmodepc : Operand<i32>,
425 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
426 let PrintMethod = "printAddrModePCOperand";
427 let MIOperandInfo = (ops GPR, i32imm);
430 def nohash_imm : Operand<i32> {
431 let PrintMethod = "printNoHashImmediate";
434 //===----------------------------------------------------------------------===//
436 include "ARMInstrFormats.td"
438 //===----------------------------------------------------------------------===//
439 // Multiclass helpers...
442 /// AsI1_bin_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns for a
443 /// binop that produces a value.
444 multiclass AsI1_bin_irs<bits<4> opcod, string opc, PatFrag opnode,
445 bit Commutable = 0> {
446 def ri : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
447 IIC_iALUi, opc, "\t$dst, $a, $b",
448 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]> {
451 def rr : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
452 IIC_iALUr, opc, "\t$dst, $a, $b",
453 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]> {
454 let Inst{11-4} = 0b00000000;
456 let isCommutable = Commutable;
458 def rs : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
459 IIC_iALUsr, opc, "\t$dst, $a, $b",
460 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]> {
465 /// AI1_bin_s_irs - Similar to AsI1_bin_irs except it sets the 's' bit so the
466 /// instruction modifies the CPSR register.
467 let Defs = [CPSR] in {
468 multiclass AI1_bin_s_irs<bits<4> opcod, string opc, PatFrag opnode,
469 bit Commutable = 0> {
470 def ri : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
471 IIC_iALUi, opc, "\t$dst, $a, $b",
472 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]> {
476 def rr : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
477 IIC_iALUr, opc, "\t$dst, $a, $b",
478 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]> {
479 let isCommutable = Commutable;
480 let Inst{11-4} = 0b00000000;
484 def rs : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
485 IIC_iALUsr, opc, "\t$dst, $a, $b",
486 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]> {
493 /// AI1_cmp_irs - Defines a set of (op r, {so_imm|r|so_reg}) cmp / test
494 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
495 /// a explicit result, only implicitly set CPSR.
496 let Defs = [CPSR] in {
497 multiclass AI1_cmp_irs<bits<4> opcod, string opc, PatFrag opnode,
498 bit Commutable = 0> {
499 def ri : AI1<opcod, (outs), (ins GPR:$a, so_imm:$b), DPFrm, IIC_iCMPi,
501 [(opnode GPR:$a, so_imm:$b)]> {
505 def rr : AI1<opcod, (outs), (ins GPR:$a, GPR:$b), DPFrm, IIC_iCMPr,
507 [(opnode GPR:$a, GPR:$b)]> {
508 let Inst{11-4} = 0b00000000;
511 let isCommutable = Commutable;
513 def rs : AI1<opcod, (outs), (ins GPR:$a, so_reg:$b), DPSoRegFrm, IIC_iCMPsr,
515 [(opnode GPR:$a, so_reg:$b)]> {
522 /// AI_unary_rrot - A unary operation with two forms: one whose operand is a
523 /// register and one whose operand is a register rotated by 8/16/24.
524 /// FIXME: Remove the 'r' variant. Its rot_imm is zero.
525 multiclass AI_unary_rrot<bits<8> opcod, string opc, PatFrag opnode> {
526 def r : AExtI<opcod, (outs GPR:$dst), (ins GPR:$src),
527 IIC_iUNAr, opc, "\t$dst, $src",
528 [(set GPR:$dst, (opnode GPR:$src))]>,
529 Requires<[IsARM, HasV6]> {
530 let Inst{11-10} = 0b00;
531 let Inst{19-16} = 0b1111;
533 def r_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$src, i32imm:$rot),
534 IIC_iUNAsi, opc, "\t$dst, $src, ror $rot",
535 [(set GPR:$dst, (opnode (rotr GPR:$src, rot_imm:$rot)))]>,
536 Requires<[IsARM, HasV6]> {
537 let Inst{19-16} = 0b1111;
541 multiclass AI_unary_rrot_np<bits<8> opcod, string opc> {
542 def r : AExtI<opcod, (outs GPR:$dst), (ins GPR:$src),
543 IIC_iUNAr, opc, "\t$dst, $src",
544 [/* For disassembly only; pattern left blank */]>,
545 Requires<[IsARM, HasV6]> {
546 let Inst{11-10} = 0b00;
547 let Inst{19-16} = 0b1111;
549 def r_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$src, i32imm:$rot),
550 IIC_iUNAsi, opc, "\t$dst, $src, ror $rot",
551 [/* For disassembly only; pattern left blank */]>,
552 Requires<[IsARM, HasV6]> {
553 let Inst{19-16} = 0b1111;
557 /// AI_bin_rrot - A binary operation with two forms: one whose operand is a
558 /// register and one whose operand is a register rotated by 8/16/24.
559 multiclass AI_bin_rrot<bits<8> opcod, string opc, PatFrag opnode> {
560 def rr : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS),
561 IIC_iALUr, opc, "\t$dst, $LHS, $RHS",
562 [(set GPR:$dst, (opnode GPR:$LHS, GPR:$RHS))]>,
563 Requires<[IsARM, HasV6]> {
564 let Inst{11-10} = 0b00;
566 def rr_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS,
568 IIC_iALUsi, opc, "\t$dst, $LHS, $RHS, ror $rot",
569 [(set GPR:$dst, (opnode GPR:$LHS,
570 (rotr GPR:$RHS, rot_imm:$rot)))]>,
571 Requires<[IsARM, HasV6]>;
574 // For disassembly only.
575 multiclass AI_bin_rrot_np<bits<8> opcod, string opc> {
576 def rr : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS),
577 IIC_iALUr, opc, "\t$dst, $LHS, $RHS",
578 [/* For disassembly only; pattern left blank */]>,
579 Requires<[IsARM, HasV6]> {
580 let Inst{11-10} = 0b00;
582 def rr_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS,
584 IIC_iALUsi, opc, "\t$dst, $LHS, $RHS, ror $rot",
585 [/* For disassembly only; pattern left blank */]>,
586 Requires<[IsARM, HasV6]>;
589 /// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
590 let Uses = [CPSR] in {
591 multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode,
592 bit Commutable = 0> {
593 def ri : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
594 DPFrm, IIC_iALUi, opc, "\t$dst, $a, $b",
595 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]>,
599 def rr : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
600 DPFrm, IIC_iALUr, opc, "\t$dst, $a, $b",
601 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]>,
603 let isCommutable = Commutable;
604 let Inst{11-4} = 0b00000000;
607 def rs : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
608 DPSoRegFrm, IIC_iALUsr, opc, "\t$dst, $a, $b",
609 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]>,
614 // Carry setting variants
615 let Defs = [CPSR] in {
616 multiclass AI1_adde_sube_s_irs<bits<4> opcod, string opc, PatFrag opnode,
617 bit Commutable = 0> {
618 def Sri : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
619 DPFrm, IIC_iALUi, !strconcat(opc, "\t$dst, $a, $b"),
620 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]>,
625 def Srr : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
626 DPFrm, IIC_iALUr, !strconcat(opc, "\t$dst, $a, $b"),
627 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]>,
629 let Inst{11-4} = 0b00000000;
633 def Srs : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
634 DPSoRegFrm, IIC_iALUsr, !strconcat(opc, "\t$dst, $a, $b"),
635 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]>,
644 //===----------------------------------------------------------------------===//
646 //===----------------------------------------------------------------------===//
648 //===----------------------------------------------------------------------===//
649 // Miscellaneous Instructions.
652 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
653 /// the function. The first operand is the ID# for this instruction, the second
654 /// is the index into the MachineConstantPool that this is, the third is the
655 /// size in bytes of this constant pool entry.
656 let neverHasSideEffects = 1, isNotDuplicable = 1 in
657 def CONSTPOOL_ENTRY :
658 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
659 i32imm:$size), NoItinerary,
660 "${instid:label} ${cpidx:cpentry}", []>;
662 // FIXME: Marking these as hasSideEffects is necessary to prevent machine DCE
663 // from removing one half of the matched pairs. That breaks PEI, which assumes
664 // these will always be in pairs, and asserts if it finds otherwise. Better way?
665 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
667 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary,
668 "${:comment} ADJCALLSTACKUP $amt1",
669 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
671 def ADJCALLSTACKDOWN :
672 PseudoInst<(outs), (ins i32imm:$amt, pred:$p), NoItinerary,
673 "${:comment} ADJCALLSTACKDOWN $amt",
674 [(ARMcallseq_start timm:$amt)]>;
677 def NOP : AI<(outs), (ins), MiscFrm, NoItinerary, "nop", "",
678 [/* For disassembly only; pattern left blank */]>,
679 Requires<[IsARM, HasV6T2]> {
680 let Inst{27-16} = 0b001100100000;
681 let Inst{7-0} = 0b00000000;
684 def YIELD : AI<(outs), (ins), MiscFrm, NoItinerary, "yield", "",
685 [/* For disassembly only; pattern left blank */]>,
686 Requires<[IsARM, HasV6T2]> {
687 let Inst{27-16} = 0b001100100000;
688 let Inst{7-0} = 0b00000001;
691 def WFE : AI<(outs), (ins), MiscFrm, NoItinerary, "wfe", "",
692 [/* For disassembly only; pattern left blank */]>,
693 Requires<[IsARM, HasV6T2]> {
694 let Inst{27-16} = 0b001100100000;
695 let Inst{7-0} = 0b00000010;
698 def WFI : AI<(outs), (ins), MiscFrm, NoItinerary, "wfi", "",
699 [/* For disassembly only; pattern left blank */]>,
700 Requires<[IsARM, HasV6T2]> {
701 let Inst{27-16} = 0b001100100000;
702 let Inst{7-0} = 0b00000011;
705 def SEL : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm, NoItinerary, "sel",
707 [/* For disassembly only; pattern left blank */]>,
708 Requires<[IsARM, HasV6]> {
709 let Inst{27-20} = 0b01101000;
710 let Inst{7-4} = 0b1011;
713 def SEV : AI<(outs), (ins), MiscFrm, NoItinerary, "sev", "",
714 [/* For disassembly only; pattern left blank */]>,
715 Requires<[IsARM, HasV6T2]> {
716 let Inst{27-16} = 0b001100100000;
717 let Inst{7-0} = 0b00000100;
720 // The i32imm operand $val can be used by a debugger to store more information
721 // about the breakpoint.
722 def BKPT : AI<(outs), (ins i32imm:$val), MiscFrm, NoItinerary, "bkpt", "\t$val",
723 [/* For disassembly only; pattern left blank */]>,
725 let Inst{27-20} = 0b00010010;
726 let Inst{7-4} = 0b0111;
729 // Change Processor State is a system instruction -- for disassembly only.
730 // The singleton $opt operand contains the following information:
731 // opt{4-0} = mode from Inst{4-0}
732 // opt{5} = changemode from Inst{17}
733 // opt{8-6} = AIF from Inst{8-6}
734 // opt{10-9} = imod from Inst{19-18} with 0b10 as enable and 0b11 as disable
735 def CPS : AXI<(outs), (ins cps_opt:$opt), MiscFrm, NoItinerary, "cps$opt",
736 [/* For disassembly only; pattern left blank */]>,
738 let Inst{31-28} = 0b1111;
739 let Inst{27-20} = 0b00010000;
744 // Preload signals the memory system of possible future data/instruction access.
745 // These are for disassembly only.
747 // A8.6.117, A8.6.118. Different instructions are generated for #0 and #-0.
748 // The neg_zero operand translates -0 to -1, -1 to -2, ..., etc.
749 multiclass APreLoad<bit data, bit read, string opc> {
751 def i : AXI<(outs), (ins GPR:$base, neg_zero:$imm), MiscFrm, NoItinerary,
752 !strconcat(opc, "\t[$base, $imm]"), []> {
753 let Inst{31-26} = 0b111101;
754 let Inst{25} = 0; // 0 for immediate form
757 let Inst{21-20} = 0b01;
760 def r : AXI<(outs), (ins addrmode2:$addr), MiscFrm, NoItinerary,
761 !strconcat(opc, "\t$addr"), []> {
762 let Inst{31-26} = 0b111101;
763 let Inst{25} = 1; // 1 for register form
766 let Inst{21-20} = 0b01;
771 defm PLD : APreLoad<1, 1, "pld">;
772 defm PLDW : APreLoad<1, 0, "pldw">;
773 defm PLI : APreLoad<0, 1, "pli">;
775 def SETENDBE : AXI<(outs),(ins), MiscFrm, NoItinerary, "setend\tbe",
776 [/* For disassembly only; pattern left blank */]>,
778 let Inst{31-28} = 0b1111;
779 let Inst{27-20} = 0b00010000;
782 let Inst{7-4} = 0b0000;
785 def SETENDLE : AXI<(outs),(ins), MiscFrm, NoItinerary, "setend\tle",
786 [/* For disassembly only; pattern left blank */]>,
788 let Inst{31-28} = 0b1111;
789 let Inst{27-20} = 0b00010000;
792 let Inst{7-4} = 0b0000;
795 def DBG : AI<(outs), (ins i32imm:$opt), MiscFrm, NoItinerary, "dbg", "\t$opt",
796 [/* For disassembly only; pattern left blank */]>,
797 Requires<[IsARM, HasV7]> {
798 let Inst{27-16} = 0b001100100000;
799 let Inst{7-4} = 0b1111;
802 // A5.4 Permanently UNDEFINED instructions.
803 // FIXME: Temporary emitted as raw bytes until this pseudo-op will be added to
805 let isBarrier = 1, isTerminator = 1 in
806 def TRAP : AXI<(outs), (ins), MiscFrm, NoItinerary,
807 ".long 0xe7ffdefe ${:comment} trap", [(trap)]>,
809 let Inst{27-25} = 0b011;
810 let Inst{24-20} = 0b11111;
811 let Inst{7-5} = 0b111;
815 // Address computation and loads and stores in PIC mode.
816 let isNotDuplicable = 1 in {
817 def PICADD : AXI1<0b0100, (outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
818 Pseudo, IIC_iALUr, "\n$cp:\n\tadd$p\t$dst, pc, $a",
819 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
821 let AddedComplexity = 10 in {
822 def PICLDR : AXI2ldw<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
823 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldr$p\t$dst, $addr",
824 [(set GPR:$dst, (load addrmodepc:$addr))]>;
826 def PICLDRH : AXI3ldh<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
827 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldrh${p}\t$dst, $addr",
828 [(set GPR:$dst, (zextloadi16 addrmodepc:$addr))]>;
830 def PICLDRB : AXI2ldb<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
831 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldrb${p}\t$dst, $addr",
832 [(set GPR:$dst, (zextloadi8 addrmodepc:$addr))]>;
834 def PICLDRSH : AXI3ldsh<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
835 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldrsh${p}\t$dst, $addr",
836 [(set GPR:$dst, (sextloadi16 addrmodepc:$addr))]>;
838 def PICLDRSB : AXI3ldsb<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
839 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldrsb${p}\t$dst, $addr",
840 [(set GPR:$dst, (sextloadi8 addrmodepc:$addr))]>;
842 let AddedComplexity = 10 in {
843 def PICSTR : AXI2stw<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
844 Pseudo, IIC_iStorer, "\n${addr:label}:\n\tstr$p\t$src, $addr",
845 [(store GPR:$src, addrmodepc:$addr)]>;
847 def PICSTRH : AXI3sth<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
848 Pseudo, IIC_iStorer, "\n${addr:label}:\n\tstrh${p}\t$src, $addr",
849 [(truncstorei16 GPR:$src, addrmodepc:$addr)]>;
851 def PICSTRB : AXI2stb<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
852 Pseudo, IIC_iStorer, "\n${addr:label}:\n\tstrb${p}\t$src, $addr",
853 [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
855 } // isNotDuplicable = 1
858 // LEApcrel - Load a pc-relative address into a register without offending the
860 let neverHasSideEffects = 1 in {
861 let isReMaterializable = 1 in
862 def LEApcrel : AXI1<0x0, (outs GPR:$dst), (ins i32imm:$label, pred:$p),
864 "adr$p\t$dst, #$label", []>;
866 } // neverHasSideEffects
867 def LEApcrelJT : AXI1<0x0, (outs GPR:$dst),
868 (ins i32imm:$label, nohash_imm:$id, pred:$p),
870 "adr$p\t$dst, #${label}_${id}", []> {
874 //===----------------------------------------------------------------------===//
875 // Control Flow Instructions.
878 let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
880 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
881 "bx", "\tlr", [(ARMretflag)]>,
882 Requires<[IsARM, HasV4T]> {
883 let Inst{3-0} = 0b1110;
884 let Inst{7-4} = 0b0001;
885 let Inst{19-8} = 0b111111111111;
886 let Inst{27-20} = 0b00010010;
890 def MOVPCLR : AI<(outs), (ins), BrMiscFrm, IIC_Br,
891 "mov", "\tpc, lr", [(ARMretflag)]>,
892 Requires<[IsARM, NoV4T]> {
893 let Inst{11-0} = 0b000000001110;
894 let Inst{15-12} = 0b1111;
895 let Inst{19-16} = 0b0000;
896 let Inst{27-20} = 0b00011010;
901 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
903 def BRIND : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
905 Requires<[IsARM, HasV4T]> {
906 let Inst{7-4} = 0b0001;
907 let Inst{19-8} = 0b111111111111;
908 let Inst{27-20} = 0b00010010;
909 let Inst{31-28} = 0b1110;
913 def MOVPCRX : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "mov\tpc, $dst",
915 Requires<[IsARM, NoV4T]> {
916 let Inst{11-4} = 0b00000000;
917 let Inst{15-12} = 0b1111;
918 let Inst{19-16} = 0b0000;
919 let Inst{27-20} = 0b00011010;
920 let Inst{31-28} = 0b1110;
924 // FIXME: remove when we have a way to marking a MI with these properties.
925 // FIXME: Should pc be an implicit operand like PICADD, etc?
926 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
927 hasExtraDefRegAllocReq = 1 in
928 def LDM_RET : AXI4ld<(outs GPR:$wb), (ins addrmode4:$addr, pred:$p,
929 reglist:$dsts, variable_ops),
930 IndexModeUpd, LdStMulFrm, IIC_Br,
931 "ldm${addr:submode}${p}\t$addr!, $dsts",
932 "$addr.addr = $wb", []>;
934 // On non-Darwin platforms R9 is callee-saved.
936 Defs = [R0, R1, R2, R3, R12, LR,
937 D0, D1, D2, D3, D4, D5, D6, D7,
938 D16, D17, D18, D19, D20, D21, D22, D23,
939 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR] in {
940 def BL : ABXI<0b1011, (outs), (ins i32imm:$func, variable_ops),
941 IIC_Br, "bl\t${func:call}",
942 [(ARMcall tglobaladdr:$func)]>,
943 Requires<[IsARM, IsNotDarwin]> {
944 let Inst{31-28} = 0b1110;
947 def BL_pred : ABI<0b1011, (outs), (ins i32imm:$func, variable_ops),
948 IIC_Br, "bl", "\t${func:call}",
949 [(ARMcall_pred tglobaladdr:$func)]>,
950 Requires<[IsARM, IsNotDarwin]>;
953 def BLX : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
954 IIC_Br, "blx\t$func",
955 [(ARMcall GPR:$func)]>,
956 Requires<[IsARM, HasV5T, IsNotDarwin]> {
957 let Inst{7-4} = 0b0011;
958 let Inst{19-8} = 0b111111111111;
959 let Inst{27-20} = 0b00010010;
963 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
964 def BX : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
965 IIC_Br, "mov\tlr, pc\n\tbx\t$func",
966 [(ARMcall_nolink tGPR:$func)]>,
967 Requires<[IsARM, HasV4T, IsNotDarwin]> {
968 let Inst{7-4} = 0b0001;
969 let Inst{19-8} = 0b111111111111;
970 let Inst{27-20} = 0b00010010;
974 def BMOVPCRX : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
975 IIC_Br, "mov\tlr, pc\n\tmov\tpc, $func",
976 [(ARMcall_nolink tGPR:$func)]>,
977 Requires<[IsARM, NoV4T, IsNotDarwin]> {
978 let Inst{11-4} = 0b00000000;
979 let Inst{15-12} = 0b1111;
980 let Inst{19-16} = 0b0000;
981 let Inst{27-20} = 0b00011010;
985 // On Darwin R9 is call-clobbered.
987 Defs = [R0, R1, R2, R3, R9, R12, LR,
988 D0, D1, D2, D3, D4, D5, D6, D7,
989 D16, D17, D18, D19, D20, D21, D22, D23,
990 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR] in {
991 def BLr9 : ABXI<0b1011, (outs), (ins i32imm:$func, variable_ops),
992 IIC_Br, "bl\t${func:call}",
993 [(ARMcall tglobaladdr:$func)]>, Requires<[IsARM, IsDarwin]> {
994 let Inst{31-28} = 0b1110;
997 def BLr9_pred : ABI<0b1011, (outs), (ins i32imm:$func, variable_ops),
998 IIC_Br, "bl", "\t${func:call}",
999 [(ARMcall_pred tglobaladdr:$func)]>,
1000 Requires<[IsARM, IsDarwin]>;
1003 def BLXr9 : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1004 IIC_Br, "blx\t$func",
1005 [(ARMcall GPR:$func)]>, Requires<[IsARM, HasV5T, IsDarwin]> {
1006 let Inst{7-4} = 0b0011;
1007 let Inst{19-8} = 0b111111111111;
1008 let Inst{27-20} = 0b00010010;
1012 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1013 def BXr9 : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1014 IIC_Br, "mov\tlr, pc\n\tbx\t$func",
1015 [(ARMcall_nolink tGPR:$func)]>,
1016 Requires<[IsARM, HasV4T, IsDarwin]> {
1017 let Inst{7-4} = 0b0001;
1018 let Inst{19-8} = 0b111111111111;
1019 let Inst{27-20} = 0b00010010;
1023 def BMOVPCRXr9 : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1024 IIC_Br, "mov\tlr, pc\n\tmov\tpc, $func",
1025 [(ARMcall_nolink tGPR:$func)]>,
1026 Requires<[IsARM, NoV4T, IsDarwin]> {
1027 let Inst{11-4} = 0b00000000;
1028 let Inst{15-12} = 0b1111;
1029 let Inst{19-16} = 0b0000;
1030 let Inst{27-20} = 0b00011010;
1036 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in {
1038 let Defs = [R0, R1, R2, R3, R9, R12,
1039 D0, D1, D2, D3, D4, D5, D6, D7,
1040 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26,
1041 D27, D28, D29, D30, D31, PC],
1043 def TCRETURNdi : AInoP<(outs), (ins i32imm:$dst, variable_ops),
1045 "@TC_RETURN","\t$dst", []>, Requires<[IsDarwin]>;
1047 def TCRETURNri : AInoP<(outs), (ins tcGPR:$dst, variable_ops),
1049 "@TC_RETURN","\t$dst", []>, Requires<[IsDarwin]>;
1051 def TAILJMPd : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1052 IIC_Br, "b\t$dst @ TAILCALL",
1053 []>, Requires<[IsDarwin]>;
1055 def TAILJMPdt: ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1056 IIC_Br, "b.w\t$dst @ TAILCALL",
1057 []>, Requires<[IsDarwin]>;
1059 def TAILJMPr : AXI<(outs), (ins tcGPR:$dst, variable_ops),
1060 BrMiscFrm, IIC_Br, "bx\t$dst @ TAILCALL",
1061 []>, Requires<[IsDarwin]> {
1062 let Inst{7-4} = 0b0001;
1063 let Inst{19-8} = 0b111111111111;
1064 let Inst{27-20} = 0b00010010;
1065 let Inst{31-28} = 0b1110;
1069 // Non-Darwin versions (the difference is R9).
1070 let Defs = [R0, R1, R2, R3, R12,
1071 D0, D1, D2, D3, D4, D5, D6, D7,
1072 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26,
1073 D27, D28, D29, D30, D31, PC],
1075 def TCRETURNdiND : AInoP<(outs), (ins i32imm:$dst, variable_ops),
1077 "@TC_RETURN","\t$dst", []>, Requires<[IsNotDarwin]>;
1079 def TCRETURNriND : AInoP<(outs), (ins tcGPR:$dst, variable_ops),
1081 "@TC_RETURN","\t$dst", []>, Requires<[IsNotDarwin]>;
1083 def TAILJMPdND : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1084 IIC_Br, "b\t$dst @ TAILCALL",
1085 []>, Requires<[IsARM, IsNotDarwin]>;
1087 def TAILJMPdNDt : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1088 IIC_Br, "b.w\t$dst @ TAILCALL",
1089 []>, Requires<[IsThumb, IsNotDarwin]>;
1091 def TAILJMPrND : AXI<(outs), (ins tcGPR:$dst, variable_ops),
1092 BrMiscFrm, IIC_Br, "bx\t$dst @ TAILCALL",
1093 []>, Requires<[IsNotDarwin]> {
1094 let Inst{7-4} = 0b0001;
1095 let Inst{19-8} = 0b111111111111;
1096 let Inst{27-20} = 0b00010010;
1097 let Inst{31-28} = 0b1110;
1102 let isBranch = 1, isTerminator = 1 in {
1103 // B is "predicable" since it can be xformed into a Bcc.
1104 let isBarrier = 1 in {
1105 let isPredicable = 1 in
1106 def B : ABXI<0b1010, (outs), (ins brtarget:$target), IIC_Br,
1107 "b\t$target", [(br bb:$target)]>;
1109 let isNotDuplicable = 1, isIndirectBranch = 1 in {
1110 def BR_JTr : JTI<(outs), (ins GPR:$target, jtblock_operand:$jt, i32imm:$id),
1111 IIC_Br, "mov\tpc, $target \n$jt",
1112 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]> {
1113 let Inst{11-4} = 0b00000000;
1114 let Inst{15-12} = 0b1111;
1115 let Inst{20} = 0; // S Bit
1116 let Inst{24-21} = 0b1101;
1117 let Inst{27-25} = 0b000;
1119 def BR_JTm : JTI<(outs),
1120 (ins addrmode2:$target, jtblock_operand:$jt, i32imm:$id),
1121 IIC_Br, "ldr\tpc, $target \n$jt",
1122 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
1124 let Inst{15-12} = 0b1111;
1125 let Inst{20} = 1; // L bit
1126 let Inst{21} = 0; // W bit
1127 let Inst{22} = 0; // B bit
1128 let Inst{24} = 1; // P bit
1129 let Inst{27-25} = 0b011;
1131 def BR_JTadd : JTI<(outs),
1132 (ins GPR:$target, GPR:$idx, jtblock_operand:$jt, i32imm:$id),
1133 IIC_Br, "add\tpc, $target, $idx \n$jt",
1134 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
1136 let Inst{15-12} = 0b1111;
1137 let Inst{20} = 0; // S bit
1138 let Inst{24-21} = 0b0100;
1139 let Inst{27-25} = 0b000;
1141 } // isNotDuplicable = 1, isIndirectBranch = 1
1144 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
1145 // a two-value operand where a dag node expects two operands. :(
1146 def Bcc : ABI<0b1010, (outs), (ins brtarget:$target),
1147 IIC_Br, "b", "\t$target",
1148 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]>;
1151 // Branch and Exchange Jazelle -- for disassembly only
1152 def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
1153 [/* For disassembly only; pattern left blank */]> {
1154 let Inst{23-20} = 0b0010;
1155 //let Inst{19-8} = 0xfff;
1156 let Inst{7-4} = 0b0010;
1159 // Secure Monitor Call is a system instruction -- for disassembly only
1160 def SMC : ABI<0b0001, (outs), (ins i32imm:$opt), NoItinerary, "smc", "\t$opt",
1161 [/* For disassembly only; pattern left blank */]> {
1162 let Inst{23-20} = 0b0110;
1163 let Inst{7-4} = 0b0111;
1166 // Supervisor Call (Software Interrupt) -- for disassembly only
1168 def SVC : ABI<0b1111, (outs), (ins i32imm:$svc), IIC_Br, "svc", "\t$svc",
1169 [/* For disassembly only; pattern left blank */]>;
1172 // Store Return State is a system instruction -- for disassembly only
1173 def SRSW : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, i32imm:$mode),
1174 NoItinerary, "srs${addr:submode}\tsp!, $mode",
1175 [/* For disassembly only; pattern left blank */]> {
1176 let Inst{31-28} = 0b1111;
1177 let Inst{22-20} = 0b110; // W = 1
1180 def SRS : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, i32imm:$mode),
1181 NoItinerary, "srs${addr:submode}\tsp, $mode",
1182 [/* For disassembly only; pattern left blank */]> {
1183 let Inst{31-28} = 0b1111;
1184 let Inst{22-20} = 0b100; // W = 0
1187 // Return From Exception is a system instruction -- for disassembly only
1188 def RFEW : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, GPR:$base),
1189 NoItinerary, "rfe${addr:submode}\t$base!",
1190 [/* For disassembly only; pattern left blank */]> {
1191 let Inst{31-28} = 0b1111;
1192 let Inst{22-20} = 0b011; // W = 1
1195 def RFE : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, GPR:$base),
1196 NoItinerary, "rfe${addr:submode}\t$base",
1197 [/* For disassembly only; pattern left blank */]> {
1198 let Inst{31-28} = 0b1111;
1199 let Inst{22-20} = 0b001; // W = 0
1202 //===----------------------------------------------------------------------===//
1203 // Load / store Instructions.
1207 let canFoldAsLoad = 1, isReMaterializable = 1 in
1208 def LDR : AI2ldw<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm, IIC_iLoadr,
1209 "ldr", "\t$dst, $addr",
1210 [(set GPR:$dst, (load addrmode2:$addr))]>;
1212 // Special LDR for loads from non-pc-relative constpools.
1213 let canFoldAsLoad = 1, mayLoad = 1, neverHasSideEffects = 1,
1214 isReMaterializable = 1 in
1215 def LDRcp : AI2ldw<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm, IIC_iLoadr,
1216 "ldr", "\t$dst, $addr", []>;
1218 // Loads with zero extension
1219 def LDRH : AI3ldh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
1220 IIC_iLoadr, "ldrh", "\t$dst, $addr",
1221 [(set GPR:$dst, (zextloadi16 addrmode3:$addr))]>;
1223 def LDRB : AI2ldb<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm,
1224 IIC_iLoadr, "ldrb", "\t$dst, $addr",
1225 [(set GPR:$dst, (zextloadi8 addrmode2:$addr))]>;
1227 // Loads with sign extension
1228 def LDRSH : AI3ldsh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
1229 IIC_iLoadr, "ldrsh", "\t$dst, $addr",
1230 [(set GPR:$dst, (sextloadi16 addrmode3:$addr))]>;
1232 def LDRSB : AI3ldsb<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
1233 IIC_iLoadr, "ldrsb", "\t$dst, $addr",
1234 [(set GPR:$dst, (sextloadi8 addrmode3:$addr))]>;
1236 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1 in {
1238 def LDRD : AI3ldd<(outs GPR:$dst1, GPR:$dst2), (ins addrmode3:$addr), LdMiscFrm,
1239 IIC_iLoadr, "ldrd", "\t$dst1, $addr",
1240 []>, Requires<[IsARM, HasV5TE]>;
1243 def LDR_PRE : AI2ldwpr<(outs GPR:$dst, GPR:$base_wb),
1244 (ins addrmode2:$addr), LdFrm, IIC_iLoadru,
1245 "ldr", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1247 def LDR_POST : AI2ldwpo<(outs GPR:$dst, GPR:$base_wb),
1248 (ins GPR:$base, am2offset:$offset), LdFrm, IIC_iLoadru,
1249 "ldr", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1251 def LDRH_PRE : AI3ldhpr<(outs GPR:$dst, GPR:$base_wb),
1252 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadru,
1253 "ldrh", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1255 def LDRH_POST : AI3ldhpo<(outs GPR:$dst, GPR:$base_wb),
1256 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1257 "ldrh", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1259 def LDRB_PRE : AI2ldbpr<(outs GPR:$dst, GPR:$base_wb),
1260 (ins addrmode2:$addr), LdFrm, IIC_iLoadru,
1261 "ldrb", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1263 def LDRB_POST : AI2ldbpo<(outs GPR:$dst, GPR:$base_wb),
1264 (ins GPR:$base,am2offset:$offset), LdFrm, IIC_iLoadru,
1265 "ldrb", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1267 def LDRSH_PRE : AI3ldshpr<(outs GPR:$dst, GPR:$base_wb),
1268 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadru,
1269 "ldrsh", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1271 def LDRSH_POST: AI3ldshpo<(outs GPR:$dst, GPR:$base_wb),
1272 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1273 "ldrsh", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1275 def LDRSB_PRE : AI3ldsbpr<(outs GPR:$dst, GPR:$base_wb),
1276 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadru,
1277 "ldrsb", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1279 def LDRSB_POST: AI3ldsbpo<(outs GPR:$dst, GPR:$base_wb),
1280 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1281 "ldrsb", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1283 // For disassembly only
1284 def LDRD_PRE : AI3lddpr<(outs GPR:$dst1, GPR:$dst2, GPR:$base_wb),
1285 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadr,
1286 "ldrd", "\t$dst1, $dst2, $addr!", "$addr.base = $base_wb", []>,
1287 Requires<[IsARM, HasV5TE]>;
1289 // For disassembly only
1290 def LDRD_POST : AI3lddpo<(outs GPR:$dst1, GPR:$dst2, GPR:$base_wb),
1291 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadr,
1292 "ldrd", "\t$dst1, $dst2, [$base], $offset", "$base = $base_wb", []>,
1293 Requires<[IsARM, HasV5TE]>;
1295 } // mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1
1297 // LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT are for disassembly only.
1299 def LDRT : AI2ldwpo<(outs GPR:$dst, GPR:$base_wb),
1300 (ins GPR:$base, am2offset:$offset), LdFrm, IIC_iLoadru,
1301 "ldrt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1302 let Inst{21} = 1; // overwrite
1305 def LDRBT : AI2ldbpo<(outs GPR:$dst, GPR:$base_wb),
1306 (ins GPR:$base,am2offset:$offset), LdFrm, IIC_iLoadru,
1307 "ldrbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1308 let Inst{21} = 1; // overwrite
1311 def LDRSBT : AI3ldsbpo<(outs GPR:$dst, GPR:$base_wb),
1312 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1313 "ldrsbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1314 let Inst{21} = 1; // overwrite
1317 def LDRHT : AI3ldhpo<(outs GPR:$dst, GPR:$base_wb),
1318 (ins GPR:$base, am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1319 "ldrht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1320 let Inst{21} = 1; // overwrite
1323 def LDRSHT : AI3ldshpo<(outs GPR:$dst, GPR:$base_wb),
1324 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1325 "ldrsht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1326 let Inst{21} = 1; // overwrite
1330 def STR : AI2stw<(outs), (ins GPR:$src, addrmode2:$addr), StFrm, IIC_iStorer,
1331 "str", "\t$src, $addr",
1332 [(store GPR:$src, addrmode2:$addr)]>;
1334 // Stores with truncate
1335 def STRH : AI3sth<(outs), (ins GPR:$src, addrmode3:$addr), StMiscFrm,
1336 IIC_iStorer, "strh", "\t$src, $addr",
1337 [(truncstorei16 GPR:$src, addrmode3:$addr)]>;
1339 def STRB : AI2stb<(outs), (ins GPR:$src, addrmode2:$addr), StFrm, IIC_iStorer,
1340 "strb", "\t$src, $addr",
1341 [(truncstorei8 GPR:$src, addrmode2:$addr)]>;
1344 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in
1345 def STRD : AI3std<(outs), (ins GPR:$src1, GPR:$src2, addrmode3:$addr),
1346 StMiscFrm, IIC_iStorer,
1347 "strd", "\t$src1, $addr", []>, Requires<[IsARM, HasV5TE]>;
1350 def STR_PRE : AI2stwpr<(outs GPR:$base_wb),
1351 (ins GPR:$src, GPR:$base, am2offset:$offset),
1352 StFrm, IIC_iStoreru,
1353 "str", "\t$src, [$base, $offset]!", "$base = $base_wb",
1355 (pre_store GPR:$src, GPR:$base, am2offset:$offset))]>;
1357 def STR_POST : AI2stwpo<(outs GPR:$base_wb),
1358 (ins GPR:$src, GPR:$base,am2offset:$offset),
1359 StFrm, IIC_iStoreru,
1360 "str", "\t$src, [$base], $offset", "$base = $base_wb",
1362 (post_store GPR:$src, GPR:$base, am2offset:$offset))]>;
1364 def STRH_PRE : AI3sthpr<(outs GPR:$base_wb),
1365 (ins GPR:$src, GPR:$base,am3offset:$offset),
1366 StMiscFrm, IIC_iStoreru,
1367 "strh", "\t$src, [$base, $offset]!", "$base = $base_wb",
1369 (pre_truncsti16 GPR:$src, GPR:$base,am3offset:$offset))]>;
1371 def STRH_POST: AI3sthpo<(outs GPR:$base_wb),
1372 (ins GPR:$src, GPR:$base,am3offset:$offset),
1373 StMiscFrm, IIC_iStoreru,
1374 "strh", "\t$src, [$base], $offset", "$base = $base_wb",
1375 [(set GPR:$base_wb, (post_truncsti16 GPR:$src,
1376 GPR:$base, am3offset:$offset))]>;
1378 def STRB_PRE : AI2stbpr<(outs GPR:$base_wb),
1379 (ins GPR:$src, GPR:$base,am2offset:$offset),
1380 StFrm, IIC_iStoreru,
1381 "strb", "\t$src, [$base, $offset]!", "$base = $base_wb",
1382 [(set GPR:$base_wb, (pre_truncsti8 GPR:$src,
1383 GPR:$base, am2offset:$offset))]>;
1385 def STRB_POST: AI2stbpo<(outs GPR:$base_wb),
1386 (ins GPR:$src, GPR:$base,am2offset:$offset),
1387 StFrm, IIC_iStoreru,
1388 "strb", "\t$src, [$base], $offset", "$base = $base_wb",
1389 [(set GPR:$base_wb, (post_truncsti8 GPR:$src,
1390 GPR:$base, am2offset:$offset))]>;
1392 // For disassembly only
1393 def STRD_PRE : AI3stdpr<(outs GPR:$base_wb),
1394 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1395 StMiscFrm, IIC_iStoreru,
1396 "strd", "\t$src1, $src2, [$base, $offset]!",
1397 "$base = $base_wb", []>;
1399 // For disassembly only
1400 def STRD_POST: AI3stdpo<(outs GPR:$base_wb),
1401 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1402 StMiscFrm, IIC_iStoreru,
1403 "strd", "\t$src1, $src2, [$base], $offset",
1404 "$base = $base_wb", []>;
1406 // STRT, STRBT, and STRHT are for disassembly only.
1408 def STRT : AI2stwpo<(outs GPR:$base_wb),
1409 (ins GPR:$src, GPR:$base,am2offset:$offset),
1410 StFrm, IIC_iStoreru,
1411 "strt", "\t$src, [$base], $offset", "$base = $base_wb",
1412 [/* For disassembly only; pattern left blank */]> {
1413 let Inst{21} = 1; // overwrite
1416 def STRBT : AI2stbpo<(outs GPR:$base_wb),
1417 (ins GPR:$src, GPR:$base,am2offset:$offset),
1418 StFrm, IIC_iStoreru,
1419 "strbt", "\t$src, [$base], $offset", "$base = $base_wb",
1420 [/* For disassembly only; pattern left blank */]> {
1421 let Inst{21} = 1; // overwrite
1424 def STRHT: AI3sthpo<(outs GPR:$base_wb),
1425 (ins GPR:$src, GPR:$base,am3offset:$offset),
1426 StMiscFrm, IIC_iStoreru,
1427 "strht", "\t$src, [$base], $offset", "$base = $base_wb",
1428 [/* For disassembly only; pattern left blank */]> {
1429 let Inst{21} = 1; // overwrite
1432 //===----------------------------------------------------------------------===//
1433 // Load / store multiple Instructions.
1436 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1 in {
1437 def LDM : AXI4ld<(outs), (ins addrmode4:$addr, pred:$p,
1438 reglist:$dsts, variable_ops),
1439 IndexModeNone, LdStMulFrm, IIC_iLoadm,
1440 "ldm${addr:submode}${p}\t$addr, $dsts", "", []>;
1442 def LDM_UPD : AXI4ld<(outs GPR:$wb), (ins addrmode4:$addr, pred:$p,
1443 reglist:$dsts, variable_ops),
1444 IndexModeUpd, LdStMulFrm, IIC_iLoadm,
1445 "ldm${addr:submode}${p}\t$addr!, $dsts",
1446 "$addr.addr = $wb", []>;
1447 } // mayLoad, neverHasSideEffects, hasExtraDefRegAllocReq
1449 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in {
1450 def STM : AXI4st<(outs), (ins addrmode4:$addr, pred:$p,
1451 reglist:$srcs, variable_ops),
1452 IndexModeNone, LdStMulFrm, IIC_iStorem,
1453 "stm${addr:submode}${p}\t$addr, $srcs", "", []>;
1455 def STM_UPD : AXI4st<(outs GPR:$wb), (ins addrmode4:$addr, pred:$p,
1456 reglist:$srcs, variable_ops),
1457 IndexModeUpd, LdStMulFrm, IIC_iStorem,
1458 "stm${addr:submode}${p}\t$addr!, $srcs",
1459 "$addr.addr = $wb", []>;
1460 } // mayStore, neverHasSideEffects, hasExtraSrcRegAllocReq
1462 //===----------------------------------------------------------------------===//
1463 // Move Instructions.
1466 let neverHasSideEffects = 1 in
1467 def MOVr : AsI1<0b1101, (outs GPR:$dst), (ins GPR:$src), DPFrm, IIC_iMOVr,
1468 "mov", "\t$dst, $src", []>, UnaryDP {
1469 let Inst{11-4} = 0b00000000;
1473 // A version for the smaller set of tail call registers.
1474 let neverHasSideEffects = 1 in
1475 def MOVr_TC : AsI1<0b1101, (outs tcGPR:$dst), (ins tcGPR:$src), DPFrm,
1476 IIC_iMOVr, "mov", "\t$dst, $src", []>, UnaryDP {
1477 let Inst{11-4} = 0b00000000;
1481 def MOVs : AsI1<0b1101, (outs GPR:$dst), (ins so_reg:$src),
1482 DPSoRegFrm, IIC_iMOVsr,
1483 "mov", "\t$dst, $src", [(set GPR:$dst, so_reg:$src)]>, UnaryDP {
1487 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
1488 def MOVi : AsI1<0b1101, (outs GPR:$dst), (ins so_imm:$src), DPFrm, IIC_iMOVi,
1489 "mov", "\t$dst, $src", [(set GPR:$dst, so_imm:$src)]>, UnaryDP {
1493 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
1494 def MOVi16 : AI1<0b1000, (outs GPR:$dst), (ins i32imm:$src),
1496 "movw", "\t$dst, $src",
1497 [(set GPR:$dst, imm0_65535:$src)]>,
1498 Requires<[IsARM, HasV6T2]>, UnaryDP {
1503 let Constraints = "$src = $dst" in
1504 def MOVTi16 : AI1<0b1010, (outs GPR:$dst), (ins GPR:$src, i32imm:$imm),
1506 "movt", "\t$dst, $imm",
1508 (or (and GPR:$src, 0xffff),
1509 lo16AllZero:$imm))]>, UnaryDP,
1510 Requires<[IsARM, HasV6T2]> {
1515 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
1516 Requires<[IsARM, HasV6T2]>;
1518 let Uses = [CPSR] in
1519 def MOVrx : AsI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo, IIC_iMOVsi,
1520 "mov", "\t$dst, $src, rrx",
1521 [(set GPR:$dst, (ARMrrx GPR:$src))]>, UnaryDP;
1523 // These aren't really mov instructions, but we have to define them this way
1524 // due to flag operands.
1526 let Defs = [CPSR] in {
1527 def MOVsrl_flag : AI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo,
1528 IIC_iMOVsi, "movs", "\t$dst, $src, lsr #1",
1529 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP;
1530 def MOVsra_flag : AI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo,
1531 IIC_iMOVsi, "movs", "\t$dst, $src, asr #1",
1532 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP;
1535 //===----------------------------------------------------------------------===//
1536 // Extend Instructions.
1541 defm SXTB : AI_unary_rrot<0b01101010,
1542 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
1543 defm SXTH : AI_unary_rrot<0b01101011,
1544 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
1546 defm SXTAB : AI_bin_rrot<0b01101010,
1547 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
1548 defm SXTAH : AI_bin_rrot<0b01101011,
1549 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
1551 // For disassembly only
1552 defm SXTB16 : AI_unary_rrot_np<0b01101000, "sxtb16">;
1554 // For disassembly only
1555 defm SXTAB16 : AI_bin_rrot_np<0b01101000, "sxtab16">;
1559 let AddedComplexity = 16 in {
1560 defm UXTB : AI_unary_rrot<0b01101110,
1561 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
1562 defm UXTH : AI_unary_rrot<0b01101111,
1563 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
1564 defm UXTB16 : AI_unary_rrot<0b01101100,
1565 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
1567 def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
1568 (UXTB16r_rot GPR:$Src, 24)>;
1569 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
1570 (UXTB16r_rot GPR:$Src, 8)>;
1572 defm UXTAB : AI_bin_rrot<0b01101110, "uxtab",
1573 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
1574 defm UXTAH : AI_bin_rrot<0b01101111, "uxtah",
1575 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
1578 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
1579 // For disassembly only
1580 defm UXTAB16 : AI_bin_rrot_np<0b01101100, "uxtab16">;
1583 def SBFX : I<(outs GPR:$dst),
1584 (ins GPR:$src, imm0_31:$lsb, imm0_31:$width),
1585 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iALUi,
1586 "sbfx", "\t$dst, $src, $lsb, $width", "", []>,
1587 Requires<[IsARM, HasV6T2]> {
1588 let Inst{27-21} = 0b0111101;
1589 let Inst{6-4} = 0b101;
1592 def UBFX : I<(outs GPR:$dst),
1593 (ins GPR:$src, imm0_31:$lsb, imm0_31:$width),
1594 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iALUi,
1595 "ubfx", "\t$dst, $src, $lsb, $width", "", []>,
1596 Requires<[IsARM, HasV6T2]> {
1597 let Inst{27-21} = 0b0111111;
1598 let Inst{6-4} = 0b101;
1601 //===----------------------------------------------------------------------===//
1602 // Arithmetic Instructions.
1605 defm ADD : AsI1_bin_irs<0b0100, "add",
1606 BinOpFrag<(add node:$LHS, node:$RHS)>, 1>;
1607 defm SUB : AsI1_bin_irs<0b0010, "sub",
1608 BinOpFrag<(sub node:$LHS, node:$RHS)>>;
1610 // ADD and SUB with 's' bit set.
1611 defm ADDS : AI1_bin_s_irs<0b0100, "adds",
1612 BinOpFrag<(addc node:$LHS, node:$RHS)>, 1>;
1613 defm SUBS : AI1_bin_s_irs<0b0010, "subs",
1614 BinOpFrag<(subc node:$LHS, node:$RHS)>>;
1616 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
1617 BinOpFrag<(adde_dead_carry node:$LHS, node:$RHS)>, 1>;
1618 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
1619 BinOpFrag<(sube_dead_carry node:$LHS, node:$RHS)>>;
1620 defm ADCS : AI1_adde_sube_s_irs<0b0101, "adcs",
1621 BinOpFrag<(adde_live_carry node:$LHS, node:$RHS)>, 1>;
1622 defm SBCS : AI1_adde_sube_s_irs<0b0110, "sbcs",
1623 BinOpFrag<(sube_live_carry node:$LHS, node:$RHS) >>;
1625 // These don't define reg/reg forms, because they are handled above.
1626 def RSBri : AsI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
1627 IIC_iALUi, "rsb", "\t$dst, $a, $b",
1628 [(set GPR:$dst, (sub so_imm:$b, GPR:$a))]> {
1632 def RSBrs : AsI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
1633 IIC_iALUsr, "rsb", "\t$dst, $a, $b",
1634 [(set GPR:$dst, (sub so_reg:$b, GPR:$a))]> {
1638 // RSB with 's' bit set.
1639 let Defs = [CPSR] in {
1640 def RSBSri : AI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
1641 IIC_iALUi, "rsbs", "\t$dst, $a, $b",
1642 [(set GPR:$dst, (subc so_imm:$b, GPR:$a))]> {
1646 def RSBSrs : AI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
1647 IIC_iALUsr, "rsbs", "\t$dst, $a, $b",
1648 [(set GPR:$dst, (subc so_reg:$b, GPR:$a))]> {
1654 let Uses = [CPSR] in {
1655 def RSCri : AsI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
1656 DPFrm, IIC_iALUi, "rsc", "\t$dst, $a, $b",
1657 [(set GPR:$dst, (sube_dead_carry so_imm:$b, GPR:$a))]>,
1661 def RSCrs : AsI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
1662 DPSoRegFrm, IIC_iALUsr, "rsc", "\t$dst, $a, $b",
1663 [(set GPR:$dst, (sube_dead_carry so_reg:$b, GPR:$a))]>,
1669 // FIXME: Allow these to be predicated.
1670 let Defs = [CPSR], Uses = [CPSR] in {
1671 def RSCSri : AXI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
1672 DPFrm, IIC_iALUi, "rscs\t$dst, $a, $b",
1673 [(set GPR:$dst, (sube_dead_carry so_imm:$b, GPR:$a))]>,
1678 def RSCSrs : AXI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
1679 DPSoRegFrm, IIC_iALUsr, "rscs\t$dst, $a, $b",
1680 [(set GPR:$dst, (sube_dead_carry so_reg:$b, GPR:$a))]>,
1687 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
1688 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
1689 (SUBri GPR:$src, so_imm_neg:$imm)>;
1691 //def : ARMPat<(addc GPR:$src, so_imm_neg:$imm),
1692 // (SUBSri GPR:$src, so_imm_neg:$imm)>;
1693 //def : ARMPat<(adde GPR:$src, so_imm_neg:$imm),
1694 // (SBCri GPR:$src, so_imm_neg:$imm)>;
1696 // Note: These are implemented in C++ code, because they have to generate
1697 // ADD/SUBrs instructions, which use a complex pattern that a xform function
1699 // (mul X, 2^n+1) -> (add (X << n), X)
1700 // (mul X, 2^n-1) -> (rsb X, (X << n))
1702 // ARM Arithmetic Instruction -- for disassembly only
1703 // GPR:$dst = GPR:$a op GPR:$b
1704 class AAI<bits<8> op27_20, bits<4> op7_4, string opc>
1705 : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm, IIC_iALUr,
1706 opc, "\t$dst, $a, $b",
1707 [/* For disassembly only; pattern left blank */]> {
1708 let Inst{27-20} = op27_20;
1709 let Inst{7-4} = op7_4;
1712 // Saturating add/subtract -- for disassembly only
1714 def QADD : AAI<0b00010000, 0b0101, "qadd">;
1715 def QADD16 : AAI<0b01100010, 0b0001, "qadd16">;
1716 def QADD8 : AAI<0b01100010, 0b1001, "qadd8">;
1717 def QASX : AAI<0b01100010, 0b0011, "qasx">;
1718 def QDADD : AAI<0b00010100, 0b0101, "qdadd">;
1719 def QDSUB : AAI<0b00010110, 0b0101, "qdsub">;
1720 def QSAX : AAI<0b01100010, 0b0101, "qsax">;
1721 def QSUB : AAI<0b00010010, 0b0101, "qsub">;
1722 def QSUB16 : AAI<0b01100010, 0b0111, "qsub16">;
1723 def QSUB8 : AAI<0b01100010, 0b1111, "qsub8">;
1724 def UQADD16 : AAI<0b01100110, 0b0001, "uqadd16">;
1725 def UQADD8 : AAI<0b01100110, 0b1001, "uqadd8">;
1726 def UQASX : AAI<0b01100110, 0b0011, "uqasx">;
1727 def UQSAX : AAI<0b01100110, 0b0101, "uqsax">;
1728 def UQSUB16 : AAI<0b01100110, 0b0111, "uqsub16">;
1729 def UQSUB8 : AAI<0b01100110, 0b1111, "uqsub8">;
1731 // Signed/Unsigned add/subtract -- for disassembly only
1733 def SASX : AAI<0b01100001, 0b0011, "sasx">;
1734 def SADD16 : AAI<0b01100001, 0b0001, "sadd16">;
1735 def SADD8 : AAI<0b01100001, 0b1001, "sadd8">;
1736 def SSAX : AAI<0b01100001, 0b0101, "ssax">;
1737 def SSUB16 : AAI<0b01100001, 0b0111, "ssub16">;
1738 def SSUB8 : AAI<0b01100001, 0b1111, "ssub8">;
1739 def UASX : AAI<0b01100101, 0b0011, "uasx">;
1740 def UADD16 : AAI<0b01100101, 0b0001, "uadd16">;
1741 def UADD8 : AAI<0b01100101, 0b1001, "uadd8">;
1742 def USAX : AAI<0b01100101, 0b0101, "usax">;
1743 def USUB16 : AAI<0b01100101, 0b0111, "usub16">;
1744 def USUB8 : AAI<0b01100101, 0b1111, "usub8">;
1746 // Signed/Unsigned halving add/subtract -- for disassembly only
1748 def SHASX : AAI<0b01100011, 0b0011, "shasx">;
1749 def SHADD16 : AAI<0b01100011, 0b0001, "shadd16">;
1750 def SHADD8 : AAI<0b01100011, 0b1001, "shadd8">;
1751 def SHSAX : AAI<0b01100011, 0b0101, "shsax">;
1752 def SHSUB16 : AAI<0b01100011, 0b0111, "shsub16">;
1753 def SHSUB8 : AAI<0b01100011, 0b1111, "shsub8">;
1754 def UHASX : AAI<0b01100111, 0b0011, "uhasx">;
1755 def UHADD16 : AAI<0b01100111, 0b0001, "uhadd16">;
1756 def UHADD8 : AAI<0b01100111, 0b1001, "uhadd8">;
1757 def UHSAX : AAI<0b01100111, 0b0101, "uhsax">;
1758 def UHSUB16 : AAI<0b01100111, 0b0111, "uhsub16">;
1759 def UHSUB8 : AAI<0b01100111, 0b1111, "uhsub8">;
1761 // Unsigned Sum of Absolute Differences [and Accumulate] -- for disassembly only
1763 def USAD8 : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b),
1764 MulFrm /* for convenience */, NoItinerary, "usad8",
1765 "\t$dst, $a, $b", []>,
1766 Requires<[IsARM, HasV6]> {
1767 let Inst{27-20} = 0b01111000;
1768 let Inst{15-12} = 0b1111;
1769 let Inst{7-4} = 0b0001;
1771 def USADA8 : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1772 MulFrm /* for convenience */, NoItinerary, "usada8",
1773 "\t$dst, $a, $b, $acc", []>,
1774 Requires<[IsARM, HasV6]> {
1775 let Inst{27-20} = 0b01111000;
1776 let Inst{7-4} = 0b0001;
1779 // Signed/Unsigned saturate -- for disassembly only
1781 def SSATlsl : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a, i32imm:$shamt),
1782 DPFrm, NoItinerary, "ssat", "\t$dst, $bit_pos, $a, lsl $shamt",
1783 [/* For disassembly only; pattern left blank */]> {
1784 let Inst{27-21} = 0b0110101;
1785 let Inst{6-4} = 0b001;
1788 def SSATasr : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a, i32imm:$shamt),
1789 DPFrm, NoItinerary, "ssat", "\t$dst, $bit_pos, $a, asr $shamt",
1790 [/* For disassembly only; pattern left blank */]> {
1791 let Inst{27-21} = 0b0110101;
1792 let Inst{6-4} = 0b101;
1795 def SSAT16 : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a), DPFrm,
1796 NoItinerary, "ssat16", "\t$dst, $bit_pos, $a",
1797 [/* For disassembly only; pattern left blank */]> {
1798 let Inst{27-20} = 0b01101010;
1799 let Inst{7-4} = 0b0011;
1802 def USATlsl : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a, i32imm:$shamt),
1803 DPFrm, NoItinerary, "usat", "\t$dst, $bit_pos, $a, lsl $shamt",
1804 [/* For disassembly only; pattern left blank */]> {
1805 let Inst{27-21} = 0b0110111;
1806 let Inst{6-4} = 0b001;
1809 def USATasr : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a, i32imm:$shamt),
1810 DPFrm, NoItinerary, "usat", "\t$dst, $bit_pos, $a, asr $shamt",
1811 [/* For disassembly only; pattern left blank */]> {
1812 let Inst{27-21} = 0b0110111;
1813 let Inst{6-4} = 0b101;
1816 def USAT16 : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a), DPFrm,
1817 NoItinerary, "usat16", "\t$dst, $bit_pos, $a",
1818 [/* For disassembly only; pattern left blank */]> {
1819 let Inst{27-20} = 0b01101110;
1820 let Inst{7-4} = 0b0011;
1823 //===----------------------------------------------------------------------===//
1824 // Bitwise Instructions.
1827 defm AND : AsI1_bin_irs<0b0000, "and",
1828 BinOpFrag<(and node:$LHS, node:$RHS)>, 1>;
1829 defm ORR : AsI1_bin_irs<0b1100, "orr",
1830 BinOpFrag<(or node:$LHS, node:$RHS)>, 1>;
1831 defm EOR : AsI1_bin_irs<0b0001, "eor",
1832 BinOpFrag<(xor node:$LHS, node:$RHS)>, 1>;
1833 defm BIC : AsI1_bin_irs<0b1110, "bic",
1834 BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
1836 def BFC : I<(outs GPR:$dst), (ins GPR:$src, bf_inv_mask_imm:$imm),
1837 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
1838 "bfc", "\t$dst, $imm", "$src = $dst",
1839 [(set GPR:$dst, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
1840 Requires<[IsARM, HasV6T2]> {
1841 let Inst{27-21} = 0b0111110;
1842 let Inst{6-0} = 0b0011111;
1845 // A8.6.18 BFI - Bitfield insert (Encoding A1)
1846 // Added for disassembler with the pattern field purposely left blank.
1847 def BFI : I<(outs GPR:$dst), (ins GPR:$src, bf_inv_mask_imm:$imm),
1848 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
1849 "bfi", "\t$dst, $src, $imm", "",
1850 [/* For disassembly only; pattern left blank */]>,
1851 Requires<[IsARM, HasV6T2]> {
1852 let Inst{27-21} = 0b0111110;
1853 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
1856 def MVNr : AsI1<0b1111, (outs GPR:$dst), (ins GPR:$src), DPFrm, IIC_iMOVr,
1857 "mvn", "\t$dst, $src",
1858 [(set GPR:$dst, (not GPR:$src))]>, UnaryDP {
1860 let Inst{11-4} = 0b00000000;
1862 def MVNs : AsI1<0b1111, (outs GPR:$dst), (ins so_reg:$src), DPSoRegFrm,
1863 IIC_iMOVsr, "mvn", "\t$dst, $src",
1864 [(set GPR:$dst, (not so_reg:$src))]>, UnaryDP {
1867 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
1868 def MVNi : AsI1<0b1111, (outs GPR:$dst), (ins so_imm:$imm), DPFrm,
1869 IIC_iMOVi, "mvn", "\t$dst, $imm",
1870 [(set GPR:$dst, so_imm_not:$imm)]>,UnaryDP {
1874 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
1875 (BICri GPR:$src, so_imm_not:$imm)>;
1877 //===----------------------------------------------------------------------===//
1878 // Multiply Instructions.
1881 let isCommutable = 1 in
1882 def MUL : AsMul1I<0b0000000, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1883 IIC_iMUL32, "mul", "\t$dst, $a, $b",
1884 [(set GPR:$dst, (mul GPR:$a, GPR:$b))]>;
1886 def MLA : AsMul1I<0b0000001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1887 IIC_iMAC32, "mla", "\t$dst, $a, $b, $c",
1888 [(set GPR:$dst, (add (mul GPR:$a, GPR:$b), GPR:$c))]>;
1890 def MLS : AMul1I<0b0000011, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1891 IIC_iMAC32, "mls", "\t$dst, $a, $b, $c",
1892 [(set GPR:$dst, (sub GPR:$c, (mul GPR:$a, GPR:$b)))]>,
1893 Requires<[IsARM, HasV6T2]>;
1895 // Extra precision multiplies with low / high results
1896 let neverHasSideEffects = 1 in {
1897 let isCommutable = 1 in {
1898 def SMULL : AsMul1I<0b0000110, (outs GPR:$ldst, GPR:$hdst),
1899 (ins GPR:$a, GPR:$b), IIC_iMUL64,
1900 "smull", "\t$ldst, $hdst, $a, $b", []>;
1902 def UMULL : AsMul1I<0b0000100, (outs GPR:$ldst, GPR:$hdst),
1903 (ins GPR:$a, GPR:$b), IIC_iMUL64,
1904 "umull", "\t$ldst, $hdst, $a, $b", []>;
1907 // Multiply + accumulate
1908 def SMLAL : AsMul1I<0b0000111, (outs GPR:$ldst, GPR:$hdst),
1909 (ins GPR:$a, GPR:$b), IIC_iMAC64,
1910 "smlal", "\t$ldst, $hdst, $a, $b", []>;
1912 def UMLAL : AsMul1I<0b0000101, (outs GPR:$ldst, GPR:$hdst),
1913 (ins GPR:$a, GPR:$b), IIC_iMAC64,
1914 "umlal", "\t$ldst, $hdst, $a, $b", []>;
1916 def UMAAL : AMul1I <0b0000010, (outs GPR:$ldst, GPR:$hdst),
1917 (ins GPR:$a, GPR:$b), IIC_iMAC64,
1918 "umaal", "\t$ldst, $hdst, $a, $b", []>,
1919 Requires<[IsARM, HasV6]>;
1920 } // neverHasSideEffects
1922 // Most significant word multiply
1923 def SMMUL : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1924 IIC_iMUL32, "smmul", "\t$dst, $a, $b",
1925 [(set GPR:$dst, (mulhs GPR:$a, GPR:$b))]>,
1926 Requires<[IsARM, HasV6]> {
1927 let Inst{7-4} = 0b0001;
1928 let Inst{15-12} = 0b1111;
1931 def SMMULR : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1932 IIC_iMUL32, "smmulr", "\t$dst, $a, $b",
1933 [/* For disassembly only; pattern left blank */]>,
1934 Requires<[IsARM, HasV6]> {
1935 let Inst{7-4} = 0b0011; // R = 1
1936 let Inst{15-12} = 0b1111;
1939 def SMMLA : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1940 IIC_iMAC32, "smmla", "\t$dst, $a, $b, $c",
1941 [(set GPR:$dst, (add (mulhs GPR:$a, GPR:$b), GPR:$c))]>,
1942 Requires<[IsARM, HasV6]> {
1943 let Inst{7-4} = 0b0001;
1946 def SMMLAR : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1947 IIC_iMAC32, "smmlar", "\t$dst, $a, $b, $c",
1948 [/* For disassembly only; pattern left blank */]>,
1949 Requires<[IsARM, HasV6]> {
1950 let Inst{7-4} = 0b0011; // R = 1
1953 def SMMLS : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1954 IIC_iMAC32, "smmls", "\t$dst, $a, $b, $c",
1955 [(set GPR:$dst, (sub GPR:$c, (mulhs GPR:$a, GPR:$b)))]>,
1956 Requires<[IsARM, HasV6]> {
1957 let Inst{7-4} = 0b1101;
1960 def SMMLSR : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1961 IIC_iMAC32, "smmlsr", "\t$dst, $a, $b, $c",
1962 [/* For disassembly only; pattern left blank */]>,
1963 Requires<[IsARM, HasV6]> {
1964 let Inst{7-4} = 0b1111; // R = 1
1967 multiclass AI_smul<string opc, PatFrag opnode> {
1968 def BB : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1969 IIC_iMUL32, !strconcat(opc, "bb"), "\t$dst, $a, $b",
1970 [(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16),
1971 (sext_inreg GPR:$b, i16)))]>,
1972 Requires<[IsARM, HasV5TE]> {
1977 def BT : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1978 IIC_iMUL32, !strconcat(opc, "bt"), "\t$dst, $a, $b",
1979 [(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16),
1980 (sra GPR:$b, (i32 16))))]>,
1981 Requires<[IsARM, HasV5TE]> {
1986 def TB : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1987 IIC_iMUL32, !strconcat(opc, "tb"), "\t$dst, $a, $b",
1988 [(set GPR:$dst, (opnode (sra GPR:$a, (i32 16)),
1989 (sext_inreg GPR:$b, i16)))]>,
1990 Requires<[IsARM, HasV5TE]> {
1995 def TT : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1996 IIC_iMUL32, !strconcat(opc, "tt"), "\t$dst, $a, $b",
1997 [(set GPR:$dst, (opnode (sra GPR:$a, (i32 16)),
1998 (sra GPR:$b, (i32 16))))]>,
1999 Requires<[IsARM, HasV5TE]> {
2004 def WB : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2005 IIC_iMUL16, !strconcat(opc, "wb"), "\t$dst, $a, $b",
2006 [(set GPR:$dst, (sra (opnode GPR:$a,
2007 (sext_inreg GPR:$b, i16)), (i32 16)))]>,
2008 Requires<[IsARM, HasV5TE]> {
2013 def WT : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2014 IIC_iMUL16, !strconcat(opc, "wt"), "\t$dst, $a, $b",
2015 [(set GPR:$dst, (sra (opnode GPR:$a,
2016 (sra GPR:$b, (i32 16))), (i32 16)))]>,
2017 Requires<[IsARM, HasV5TE]> {
2024 multiclass AI_smla<string opc, PatFrag opnode> {
2025 def BB : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2026 IIC_iMAC16, !strconcat(opc, "bb"), "\t$dst, $a, $b, $acc",
2027 [(set GPR:$dst, (add GPR:$acc,
2028 (opnode (sext_inreg GPR:$a, i16),
2029 (sext_inreg GPR:$b, i16))))]>,
2030 Requires<[IsARM, HasV5TE]> {
2035 def BT : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2036 IIC_iMAC16, !strconcat(opc, "bt"), "\t$dst, $a, $b, $acc",
2037 [(set GPR:$dst, (add GPR:$acc, (opnode (sext_inreg GPR:$a, i16),
2038 (sra GPR:$b, (i32 16)))))]>,
2039 Requires<[IsARM, HasV5TE]> {
2044 def TB : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2045 IIC_iMAC16, !strconcat(opc, "tb"), "\t$dst, $a, $b, $acc",
2046 [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, (i32 16)),
2047 (sext_inreg GPR:$b, i16))))]>,
2048 Requires<[IsARM, HasV5TE]> {
2053 def TT : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2054 IIC_iMAC16, !strconcat(opc, "tt"), "\t$dst, $a, $b, $acc",
2055 [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, (i32 16)),
2056 (sra GPR:$b, (i32 16)))))]>,
2057 Requires<[IsARM, HasV5TE]> {
2062 def WB : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2063 IIC_iMAC16, !strconcat(opc, "wb"), "\t$dst, $a, $b, $acc",
2064 [(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a,
2065 (sext_inreg GPR:$b, i16)), (i32 16))))]>,
2066 Requires<[IsARM, HasV5TE]> {
2071 def WT : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2072 IIC_iMAC16, !strconcat(opc, "wt"), "\t$dst, $a, $b, $acc",
2073 [(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a,
2074 (sra GPR:$b, (i32 16))), (i32 16))))]>,
2075 Requires<[IsARM, HasV5TE]> {
2081 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
2082 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
2084 // Halfword multiply accumulate long: SMLAL<x><y> -- for disassembly only
2085 def SMLALBB : AMulxyI<0b0001010,(outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
2086 IIC_iMAC64, "smlalbb", "\t$ldst, $hdst, $a, $b",
2087 [/* For disassembly only; pattern left blank */]>,
2088 Requires<[IsARM, HasV5TE]> {
2093 def SMLALBT : AMulxyI<0b0001010,(outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
2094 IIC_iMAC64, "smlalbt", "\t$ldst, $hdst, $a, $b",
2095 [/* For disassembly only; pattern left blank */]>,
2096 Requires<[IsARM, HasV5TE]> {
2101 def SMLALTB : AMulxyI<0b0001010,(outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
2102 IIC_iMAC64, "smlaltb", "\t$ldst, $hdst, $a, $b",
2103 [/* For disassembly only; pattern left blank */]>,
2104 Requires<[IsARM, HasV5TE]> {
2109 def SMLALTT : AMulxyI<0b0001010,(outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
2110 IIC_iMAC64, "smlaltt", "\t$ldst, $hdst, $a, $b",
2111 [/* For disassembly only; pattern left blank */]>,
2112 Requires<[IsARM, HasV5TE]> {
2117 // Helper class for AI_smld -- for disassembly only
2118 class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
2119 InstrItinClass itin, string opc, string asm>
2120 : AI<oops, iops, MulFrm, itin, opc, asm, []>, Requires<[IsARM, HasV6]> {
2125 let Inst{21-20} = 0b00;
2126 let Inst{22} = long;
2127 let Inst{27-23} = 0b01110;
2130 multiclass AI_smld<bit sub, string opc> {
2132 def D : AMulDualI<0, sub, 0, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2133 NoItinerary, !strconcat(opc, "d"), "\t$dst, $a, $b, $acc">;
2135 def DX : AMulDualI<0, sub, 1, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2136 NoItinerary, !strconcat(opc, "dx"), "\t$dst, $a, $b, $acc">;
2138 def LD : AMulDualI<1, sub, 0, (outs GPR:$ldst,GPR:$hdst), (ins GPR:$a,GPR:$b),
2139 NoItinerary, !strconcat(opc, "ld"), "\t$ldst, $hdst, $a, $b">;
2141 def LDX : AMulDualI<1, sub, 1, (outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
2142 NoItinerary, !strconcat(opc, "ldx"),"\t$ldst, $hdst, $a, $b">;
2146 defm SMLA : AI_smld<0, "smla">;
2147 defm SMLS : AI_smld<1, "smls">;
2149 multiclass AI_sdml<bit sub, string opc> {
2151 def D : AMulDualI<0, sub, 0, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2152 NoItinerary, !strconcat(opc, "d"), "\t$dst, $a, $b"> {
2153 let Inst{15-12} = 0b1111;
2156 def DX : AMulDualI<0, sub, 1, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2157 NoItinerary, !strconcat(opc, "dx"), "\t$dst, $a, $b"> {
2158 let Inst{15-12} = 0b1111;
2163 defm SMUA : AI_sdml<0, "smua">;
2164 defm SMUS : AI_sdml<1, "smus">;
2166 //===----------------------------------------------------------------------===//
2167 // Misc. Arithmetic Instructions.
2170 def CLZ : AMiscA1I<0b000010110, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
2171 "clz", "\t$dst, $src",
2172 [(set GPR:$dst, (ctlz GPR:$src))]>, Requires<[IsARM, HasV5T]> {
2173 let Inst{7-4} = 0b0001;
2174 let Inst{11-8} = 0b1111;
2175 let Inst{19-16} = 0b1111;
2178 def RBIT : AMiscA1I<0b01101111, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
2179 "rbit", "\t$dst, $src",
2180 [(set GPR:$dst, (ARMrbit GPR:$src))]>,
2181 Requires<[IsARM, HasV6T2]> {
2182 let Inst{7-4} = 0b0011;
2183 let Inst{11-8} = 0b1111;
2184 let Inst{19-16} = 0b1111;
2187 def REV : AMiscA1I<0b01101011, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
2188 "rev", "\t$dst, $src",
2189 [(set GPR:$dst, (bswap GPR:$src))]>, Requires<[IsARM, HasV6]> {
2190 let Inst{7-4} = 0b0011;
2191 let Inst{11-8} = 0b1111;
2192 let Inst{19-16} = 0b1111;
2195 def REV16 : AMiscA1I<0b01101011, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
2196 "rev16", "\t$dst, $src",
2198 (or (and (srl GPR:$src, (i32 8)), 0xFF),
2199 (or (and (shl GPR:$src, (i32 8)), 0xFF00),
2200 (or (and (srl GPR:$src, (i32 8)), 0xFF0000),
2201 (and (shl GPR:$src, (i32 8)), 0xFF000000)))))]>,
2202 Requires<[IsARM, HasV6]> {
2203 let Inst{7-4} = 0b1011;
2204 let Inst{11-8} = 0b1111;
2205 let Inst{19-16} = 0b1111;
2208 def REVSH : AMiscA1I<0b01101111, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
2209 "revsh", "\t$dst, $src",
2212 (or (srl (and GPR:$src, 0xFF00), (i32 8)),
2213 (shl GPR:$src, (i32 8))), i16))]>,
2214 Requires<[IsARM, HasV6]> {
2215 let Inst{7-4} = 0b1011;
2216 let Inst{11-8} = 0b1111;
2217 let Inst{19-16} = 0b1111;
2220 def PKHBT : AMiscA1I<0b01101000, (outs GPR:$dst),
2221 (ins GPR:$src1, GPR:$src2, i32imm:$shamt),
2222 IIC_iALUsi, "pkhbt", "\t$dst, $src1, $src2, lsl $shamt",
2223 [(set GPR:$dst, (or (and GPR:$src1, 0xFFFF),
2224 (and (shl GPR:$src2, (i32 imm:$shamt)),
2226 Requires<[IsARM, HasV6]> {
2227 let Inst{6-4} = 0b001;
2230 // Alternate cases for PKHBT where identities eliminate some nodes.
2231 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF), (and GPR:$src2, 0xFFFF0000)),
2232 (PKHBT GPR:$src1, GPR:$src2, 0)>;
2233 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF), (shl GPR:$src2, imm16_31:$shamt)),
2234 (PKHBT GPR:$src1, GPR:$src2, imm16_31:$shamt)>;
2237 def PKHTB : AMiscA1I<0b01101000, (outs GPR:$dst),
2238 (ins GPR:$src1, GPR:$src2, i32imm:$shamt),
2239 IIC_iALUsi, "pkhtb", "\t$dst, $src1, $src2, asr $shamt",
2240 [(set GPR:$dst, (or (and GPR:$src1, 0xFFFF0000),
2241 (and (sra GPR:$src2, imm16_31:$shamt),
2242 0xFFFF)))]>, Requires<[IsARM, HasV6]> {
2243 let Inst{6-4} = 0b101;
2246 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
2247 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
2248 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000), (srl GPR:$src2, (i32 16))),
2249 (PKHTB GPR:$src1, GPR:$src2, 16)>;
2250 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000),
2251 (and (srl GPR:$src2, imm1_15:$shamt), 0xFFFF)),
2252 (PKHTB GPR:$src1, GPR:$src2, imm1_15:$shamt)>;
2254 //===----------------------------------------------------------------------===//
2255 // Comparison Instructions...
2258 defm CMP : AI1_cmp_irs<0b1010, "cmp",
2259 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
2260 //FIXME: Disable CMN, as CCodes are backwards from compare expectations
2261 // Compare-to-zero still works out, just not the relationals
2262 //defm CMN : AI1_cmp_irs<0b1011, "cmn",
2263 // BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
2265 // Note that TST/TEQ don't set all the same flags that CMP does!
2266 defm TST : AI1_cmp_irs<0b1000, "tst",
2267 BinOpFrag<(ARMcmpZ (and node:$LHS, node:$RHS), 0)>, 1>;
2268 defm TEQ : AI1_cmp_irs<0b1001, "teq",
2269 BinOpFrag<(ARMcmpZ (xor node:$LHS, node:$RHS), 0)>, 1>;
2271 defm CMPz : AI1_cmp_irs<0b1010, "cmp",
2272 BinOpFrag<(ARMcmpZ node:$LHS, node:$RHS)>>;
2273 defm CMNz : AI1_cmp_irs<0b1011, "cmn",
2274 BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>>;
2276 //def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
2277 // (CMNri GPR:$src, so_imm_neg:$imm)>;
2279 def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
2280 (CMNzri GPR:$src, so_imm_neg:$imm)>;
2283 // Conditional moves
2284 // FIXME: should be able to write a pattern for ARMcmov, but can't use
2285 // a two-value operand where a dag node expects two operands. :(
2286 let neverHasSideEffects = 1 in {
2287 def MOVCCr : AI1<0b1101, (outs GPR:$dst), (ins GPR:$false, GPR:$true), DPFrm,
2288 IIC_iCMOVr, "mov", "\t$dst, $true",
2289 [/*(set GPR:$dst, (ARMcmov GPR:$false, GPR:$true, imm:$cc, CCR:$ccr))*/]>,
2290 RegConstraint<"$false = $dst">, UnaryDP {
2291 let Inst{11-4} = 0b00000000;
2295 def MOVCCs : AI1<0b1101, (outs GPR:$dst),
2296 (ins GPR:$false, so_reg:$true), DPSoRegFrm, IIC_iCMOVsr,
2297 "mov", "\t$dst, $true",
2298 [/*(set GPR:$dst, (ARMcmov GPR:$false, so_reg:$true, imm:$cc, CCR:$ccr))*/]>,
2299 RegConstraint<"$false = $dst">, UnaryDP {
2303 def MOVCCi : AI1<0b1101, (outs GPR:$dst),
2304 (ins GPR:$false, so_imm:$true), DPFrm, IIC_iCMOVi,
2305 "mov", "\t$dst, $true",
2306 [/*(set GPR:$dst, (ARMcmov GPR:$false, so_imm:$true, imm:$cc, CCR:$ccr))*/]>,
2307 RegConstraint<"$false = $dst">, UnaryDP {
2310 } // neverHasSideEffects
2312 //===----------------------------------------------------------------------===//
2313 // Atomic operations intrinsics
2316 // memory barriers protect the atomic sequences
2317 let hasSideEffects = 1 in {
2318 def Int_MemBarrierV7 : AInoP<(outs), (ins),
2319 Pseudo, NoItinerary,
2321 [(ARMMemBarrierV7)]>,
2322 Requires<[IsARM, HasV7]> {
2323 let Inst{31-4} = 0xf57ff05;
2324 // FIXME: add support for options other than a full system DMB
2325 // See DMB disassembly-only variants below.
2326 let Inst{3-0} = 0b1111;
2329 def Int_SyncBarrierV7 : AInoP<(outs), (ins),
2330 Pseudo, NoItinerary,
2332 [(ARMSyncBarrierV7)]>,
2333 Requires<[IsARM, HasV7]> {
2334 let Inst{31-4} = 0xf57ff04;
2335 // FIXME: add support for options other than a full system DSB
2336 // See DSB disassembly-only variants below.
2337 let Inst{3-0} = 0b1111;
2340 def Int_MemBarrierV6 : AInoP<(outs), (ins GPR:$zero),
2341 Pseudo, NoItinerary,
2342 "mcr", "\tp15, 0, $zero, c7, c10, 5",
2343 [(ARMMemBarrierV6 GPR:$zero)]>,
2344 Requires<[IsARM, HasV6]> {
2345 // FIXME: add support for options other than a full system DMB
2346 // FIXME: add encoding
2349 def Int_SyncBarrierV6 : AInoP<(outs), (ins GPR:$zero),
2350 Pseudo, NoItinerary,
2351 "mcr", "\tp15, 0, $zero, c7, c10, 4",
2352 [(ARMSyncBarrierV6 GPR:$zero)]>,
2353 Requires<[IsARM, HasV6]> {
2354 // FIXME: add support for options other than a full system DSB
2355 // FIXME: add encoding
2359 // Helper class for multiclass MemB -- for disassembly only
2360 class AMBI<string opc, string asm>
2361 : AInoP<(outs), (ins), MiscFrm, NoItinerary, opc, asm,
2362 [/* For disassembly only; pattern left blank */]>,
2363 Requires<[IsARM, HasV7]> {
2364 let Inst{31-20} = 0xf57;
2367 multiclass MemB<bits<4> op7_4, string opc> {
2369 def st : AMBI<opc, "\tst"> {
2370 let Inst{7-4} = op7_4;
2371 let Inst{3-0} = 0b1110;
2374 def ish : AMBI<opc, "\tish"> {
2375 let Inst{7-4} = op7_4;
2376 let Inst{3-0} = 0b1011;
2379 def ishst : AMBI<opc, "\tishst"> {
2380 let Inst{7-4} = op7_4;
2381 let Inst{3-0} = 0b1010;
2384 def nsh : AMBI<opc, "\tnsh"> {
2385 let Inst{7-4} = op7_4;
2386 let Inst{3-0} = 0b0111;
2389 def nshst : AMBI<opc, "\tnshst"> {
2390 let Inst{7-4} = op7_4;
2391 let Inst{3-0} = 0b0110;
2394 def osh : AMBI<opc, "\tosh"> {
2395 let Inst{7-4} = op7_4;
2396 let Inst{3-0} = 0b0011;
2399 def oshst : AMBI<opc, "\toshst"> {
2400 let Inst{7-4} = op7_4;
2401 let Inst{3-0} = 0b0010;
2405 // These DMB variants are for disassembly only.
2406 defm DMB : MemB<0b0101, "dmb">;
2408 // These DSB variants are for disassembly only.
2409 defm DSB : MemB<0b0100, "dsb">;
2411 // ISB has only full system option -- for disassembly only
2412 def ISBsy : AMBI<"isb", ""> {
2413 let Inst{7-4} = 0b0110;
2414 let Inst{3-0} = 0b1111;
2417 let usesCustomInserter = 1 in {
2418 let Uses = [CPSR] in {
2419 def ATOMIC_LOAD_ADD_I8 : PseudoInst<
2420 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2421 "${:comment} ATOMIC_LOAD_ADD_I8 PSEUDO!",
2422 [(set GPR:$dst, (atomic_load_add_8 GPR:$ptr, GPR:$incr))]>;
2423 def ATOMIC_LOAD_SUB_I8 : PseudoInst<
2424 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2425 "${:comment} ATOMIC_LOAD_SUB_I8 PSEUDO!",
2426 [(set GPR:$dst, (atomic_load_sub_8 GPR:$ptr, GPR:$incr))]>;
2427 def ATOMIC_LOAD_AND_I8 : PseudoInst<
2428 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2429 "${:comment} ATOMIC_LOAD_AND_I8 PSEUDO!",
2430 [(set GPR:$dst, (atomic_load_and_8 GPR:$ptr, GPR:$incr))]>;
2431 def ATOMIC_LOAD_OR_I8 : PseudoInst<
2432 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2433 "${:comment} ATOMIC_LOAD_OR_I8 PSEUDO!",
2434 [(set GPR:$dst, (atomic_load_or_8 GPR:$ptr, GPR:$incr))]>;
2435 def ATOMIC_LOAD_XOR_I8 : PseudoInst<
2436 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2437 "${:comment} ATOMIC_LOAD_XOR_I8 PSEUDO!",
2438 [(set GPR:$dst, (atomic_load_xor_8 GPR:$ptr, GPR:$incr))]>;
2439 def ATOMIC_LOAD_NAND_I8 : PseudoInst<
2440 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2441 "${:comment} ATOMIC_LOAD_NAND_I8 PSEUDO!",
2442 [(set GPR:$dst, (atomic_load_nand_8 GPR:$ptr, GPR:$incr))]>;
2443 def ATOMIC_LOAD_ADD_I16 : PseudoInst<
2444 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2445 "${:comment} ATOMIC_LOAD_ADD_I16 PSEUDO!",
2446 [(set GPR:$dst, (atomic_load_add_16 GPR:$ptr, GPR:$incr))]>;
2447 def ATOMIC_LOAD_SUB_I16 : PseudoInst<
2448 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2449 "${:comment} ATOMIC_LOAD_SUB_I16 PSEUDO!",
2450 [(set GPR:$dst, (atomic_load_sub_16 GPR:$ptr, GPR:$incr))]>;
2451 def ATOMIC_LOAD_AND_I16 : PseudoInst<
2452 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2453 "${:comment} ATOMIC_LOAD_AND_I16 PSEUDO!",
2454 [(set GPR:$dst, (atomic_load_and_16 GPR:$ptr, GPR:$incr))]>;
2455 def ATOMIC_LOAD_OR_I16 : PseudoInst<
2456 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2457 "${:comment} ATOMIC_LOAD_OR_I16 PSEUDO!",
2458 [(set GPR:$dst, (atomic_load_or_16 GPR:$ptr, GPR:$incr))]>;
2459 def ATOMIC_LOAD_XOR_I16 : PseudoInst<
2460 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2461 "${:comment} ATOMIC_LOAD_XOR_I16 PSEUDO!",
2462 [(set GPR:$dst, (atomic_load_xor_16 GPR:$ptr, GPR:$incr))]>;
2463 def ATOMIC_LOAD_NAND_I16 : PseudoInst<
2464 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2465 "${:comment} ATOMIC_LOAD_NAND_I16 PSEUDO!",
2466 [(set GPR:$dst, (atomic_load_nand_16 GPR:$ptr, GPR:$incr))]>;
2467 def ATOMIC_LOAD_ADD_I32 : PseudoInst<
2468 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2469 "${:comment} ATOMIC_LOAD_ADD_I32 PSEUDO!",
2470 [(set GPR:$dst, (atomic_load_add_32 GPR:$ptr, GPR:$incr))]>;
2471 def ATOMIC_LOAD_SUB_I32 : PseudoInst<
2472 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2473 "${:comment} ATOMIC_LOAD_SUB_I32 PSEUDO!",
2474 [(set GPR:$dst, (atomic_load_sub_32 GPR:$ptr, GPR:$incr))]>;
2475 def ATOMIC_LOAD_AND_I32 : PseudoInst<
2476 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2477 "${:comment} ATOMIC_LOAD_AND_I32 PSEUDO!",
2478 [(set GPR:$dst, (atomic_load_and_32 GPR:$ptr, GPR:$incr))]>;
2479 def ATOMIC_LOAD_OR_I32 : PseudoInst<
2480 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2481 "${:comment} ATOMIC_LOAD_OR_I32 PSEUDO!",
2482 [(set GPR:$dst, (atomic_load_or_32 GPR:$ptr, GPR:$incr))]>;
2483 def ATOMIC_LOAD_XOR_I32 : PseudoInst<
2484 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2485 "${:comment} ATOMIC_LOAD_XOR_I32 PSEUDO!",
2486 [(set GPR:$dst, (atomic_load_xor_32 GPR:$ptr, GPR:$incr))]>;
2487 def ATOMIC_LOAD_NAND_I32 : PseudoInst<
2488 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2489 "${:comment} ATOMIC_LOAD_NAND_I32 PSEUDO!",
2490 [(set GPR:$dst, (atomic_load_nand_32 GPR:$ptr, GPR:$incr))]>;
2492 def ATOMIC_SWAP_I8 : PseudoInst<
2493 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
2494 "${:comment} ATOMIC_SWAP_I8 PSEUDO!",
2495 [(set GPR:$dst, (atomic_swap_8 GPR:$ptr, GPR:$new))]>;
2496 def ATOMIC_SWAP_I16 : PseudoInst<
2497 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
2498 "${:comment} ATOMIC_SWAP_I16 PSEUDO!",
2499 [(set GPR:$dst, (atomic_swap_16 GPR:$ptr, GPR:$new))]>;
2500 def ATOMIC_SWAP_I32 : PseudoInst<
2501 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
2502 "${:comment} ATOMIC_SWAP_I32 PSEUDO!",
2503 [(set GPR:$dst, (atomic_swap_32 GPR:$ptr, GPR:$new))]>;
2505 def ATOMIC_CMP_SWAP_I8 : PseudoInst<
2506 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
2507 "${:comment} ATOMIC_CMP_SWAP_I8 PSEUDO!",
2508 [(set GPR:$dst, (atomic_cmp_swap_8 GPR:$ptr, GPR:$old, GPR:$new))]>;
2509 def ATOMIC_CMP_SWAP_I16 : PseudoInst<
2510 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
2511 "${:comment} ATOMIC_CMP_SWAP_I16 PSEUDO!",
2512 [(set GPR:$dst, (atomic_cmp_swap_16 GPR:$ptr, GPR:$old, GPR:$new))]>;
2513 def ATOMIC_CMP_SWAP_I32 : PseudoInst<
2514 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
2515 "${:comment} ATOMIC_CMP_SWAP_I32 PSEUDO!",
2516 [(set GPR:$dst, (atomic_cmp_swap_32 GPR:$ptr, GPR:$old, GPR:$new))]>;
2520 let mayLoad = 1 in {
2521 def LDREXB : AIldrex<0b10, (outs GPR:$dest), (ins GPR:$ptr), NoItinerary,
2522 "ldrexb", "\t$dest, [$ptr]",
2524 def LDREXH : AIldrex<0b11, (outs GPR:$dest), (ins GPR:$ptr), NoItinerary,
2525 "ldrexh", "\t$dest, [$ptr]",
2527 def LDREX : AIldrex<0b00, (outs GPR:$dest), (ins GPR:$ptr), NoItinerary,
2528 "ldrex", "\t$dest, [$ptr]",
2530 def LDREXD : AIldrex<0b01, (outs GPR:$dest, GPR:$dest2), (ins GPR:$ptr),
2532 "ldrexd", "\t$dest, $dest2, [$ptr]",
2536 let mayStore = 1, Constraints = "@earlyclobber $success" in {
2537 def STREXB : AIstrex<0b10, (outs GPR:$success), (ins GPR:$src, GPR:$ptr),
2539 "strexb", "\t$success, $src, [$ptr]",
2541 def STREXH : AIstrex<0b11, (outs GPR:$success), (ins GPR:$src, GPR:$ptr),
2543 "strexh", "\t$success, $src, [$ptr]",
2545 def STREX : AIstrex<0b00, (outs GPR:$success), (ins GPR:$src, GPR:$ptr),
2547 "strex", "\t$success, $src, [$ptr]",
2549 def STREXD : AIstrex<0b01, (outs GPR:$success),
2550 (ins GPR:$src, GPR:$src2, GPR:$ptr),
2552 "strexd", "\t$success, $src, $src2, [$ptr]",
2556 // Clear-Exclusive is for disassembly only.
2557 def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex",
2558 [/* For disassembly only; pattern left blank */]>,
2559 Requires<[IsARM, HasV7]> {
2560 let Inst{31-20} = 0xf57;
2561 let Inst{7-4} = 0b0001;
2564 // SWP/SWPB are deprecated in V6/V7 and for disassembly only.
2565 let mayLoad = 1 in {
2566 def SWP : AI<(outs GPR:$dst), (ins GPR:$src, GPR:$ptr), LdStExFrm, NoItinerary,
2567 "swp", "\t$dst, $src, [$ptr]",
2568 [/* For disassembly only; pattern left blank */]> {
2569 let Inst{27-23} = 0b00010;
2570 let Inst{22} = 0; // B = 0
2571 let Inst{21-20} = 0b00;
2572 let Inst{7-4} = 0b1001;
2575 def SWPB : AI<(outs GPR:$dst), (ins GPR:$src, GPR:$ptr), LdStExFrm, NoItinerary,
2576 "swpb", "\t$dst, $src, [$ptr]",
2577 [/* For disassembly only; pattern left blank */]> {
2578 let Inst{27-23} = 0b00010;
2579 let Inst{22} = 1; // B = 1
2580 let Inst{21-20} = 0b00;
2581 let Inst{7-4} = 0b1001;
2585 //===----------------------------------------------------------------------===//
2589 // __aeabi_read_tp preserves the registers r1-r3.
2591 Defs = [R0, R12, LR, CPSR] in {
2592 def TPsoft : ABXI<0b1011, (outs), (ins), IIC_Br,
2593 "bl\t__aeabi_read_tp",
2594 [(set R0, ARMthread_pointer)]>;
2597 //===----------------------------------------------------------------------===//
2598 // SJLJ Exception handling intrinsics
2599 // eh_sjlj_setjmp() is an instruction sequence to store the return
2600 // address and save #0 in R0 for the non-longjmp case.
2601 // Since by its nature we may be coming from some other function to get
2602 // here, and we're using the stack frame for the containing function to
2603 // save/restore registers, we can't keep anything live in regs across
2604 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
2605 // when we get here from a longjmp(). We force everthing out of registers
2606 // except for our own input by listing the relevant registers in Defs. By
2607 // doing so, we also cause the prologue/epilogue code to actively preserve
2608 // all of the callee-saved resgisters, which is exactly what we want.
2609 // A constant value is passed in $val, and we use the location as a scratch.
2611 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, D0,
2612 D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15,
2613 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26, D27, D28, D29, D30,
2614 D31 ], hasSideEffects = 1, isBarrier = 1 in {
2615 def Int_eh_sjlj_setjmp : XI<(outs), (ins GPR:$src, GPR:$val),
2616 AddrModeNone, SizeSpecial, IndexModeNone,
2617 Pseudo, NoItinerary,
2618 "add\t$val, pc, #8\t${:comment} eh_setjmp begin\n\t"
2619 "str\t$val, [$src, #+4]\n\t"
2621 "add\tpc, pc, #0\n\t"
2622 "mov\tr0, #1 ${:comment} eh_setjmp end", "",
2623 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
2624 Requires<[IsARM, HasVFP2]>;
2628 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR ],
2629 hasSideEffects = 1, isBarrier = 1 in {
2630 def Int_eh_sjlj_setjmp_nofp : XI<(outs), (ins GPR:$src, GPR:$val),
2631 AddrModeNone, SizeSpecial, IndexModeNone,
2632 Pseudo, NoItinerary,
2633 "add\t$val, pc, #8\n ${:comment} eh_setjmp begin\n\t"
2634 "str\t$val, [$src, #+4]\n\t"
2636 "add\tpc, pc, #0\n\t"
2637 "mov\tr0, #1 ${:comment} eh_setjmp end", "",
2638 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
2639 Requires<[IsARM, NoVFP]>;
2642 // FIXME: Non-Darwin version(s)
2643 let isBarrier = 1, hasSideEffects = 1, isTerminator = 1,
2644 Defs = [ R7, LR, SP ] in {
2645 def Int_eh_sjlj_longjmp : XI<(outs), (ins GPR:$src, GPR:$scratch),
2646 AddrModeNone, SizeSpecial, IndexModeNone,
2647 Pseudo, NoItinerary,
2648 "ldr\tsp, [$src, #8]\n\t"
2649 "ldr\t$scratch, [$src, #4]\n\t"
2650 "ldr\tr7, [$src]\n\t"
2652 [(ARMeh_sjlj_longjmp GPR:$src, GPR:$scratch)]>,
2653 Requires<[IsARM, IsDarwin]>;
2656 //===----------------------------------------------------------------------===//
2657 // Non-Instruction Patterns
2660 // Large immediate handling.
2662 // Two piece so_imms.
2663 let isReMaterializable = 1 in
2664 def MOVi2pieces : AI1x2<(outs GPR:$dst), (ins so_imm2part:$src),
2666 "mov", "\t$dst, $src",
2667 [(set GPR:$dst, so_imm2part:$src)]>,
2668 Requires<[IsARM, NoV6T2]>;
2670 def : ARMPat<(or GPR:$LHS, so_imm2part:$RHS),
2671 (ORRri (ORRri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
2672 (so_imm2part_2 imm:$RHS))>;
2673 def : ARMPat<(xor GPR:$LHS, so_imm2part:$RHS),
2674 (EORri (EORri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
2675 (so_imm2part_2 imm:$RHS))>;
2676 def : ARMPat<(add GPR:$LHS, so_imm2part:$RHS),
2677 (ADDri (ADDri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
2678 (so_imm2part_2 imm:$RHS))>;
2679 def : ARMPat<(add GPR:$LHS, so_neg_imm2part:$RHS),
2680 (SUBri (SUBri GPR:$LHS, (so_neg_imm2part_1 imm:$RHS)),
2681 (so_neg_imm2part_2 imm:$RHS))>;
2683 // 32-bit immediate using movw + movt.
2684 // This is a single pseudo instruction, the benefit is that it can be remat'd
2685 // as a single unit instead of having to handle reg inputs.
2686 // FIXME: Remove this when we can do generalized remat.
2687 let isReMaterializable = 1 in
2688 def MOVi32imm : AI1x2<(outs GPR:$dst), (ins i32imm:$src), Pseudo, IIC_iMOVi,
2689 "movw", "\t$dst, ${src:lo16}\n\tmovt${p}\t$dst, ${src:hi16}",
2690 [(set GPR:$dst, (i32 imm:$src))]>,
2691 Requires<[IsARM, HasV6T2]>;
2693 // ConstantPool, GlobalAddress, and JumpTable
2694 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>,
2695 Requires<[IsARM, DontUseMovt]>;
2696 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
2697 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
2698 Requires<[IsARM, UseMovt]>;
2699 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
2700 (LEApcrelJT tjumptable:$dst, imm:$id)>;
2702 // TODO: add,sub,and, 3-instr forms?
2705 def : ARMPat<(ARMtcret tcGPR:$dst),
2706 (TCRETURNri tcGPR:$dst)>, Requires<[IsDarwin]>;
2708 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
2709 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
2711 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
2712 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
2714 def : ARMPat<(ARMtcret tcGPR:$dst),
2715 (TCRETURNriND tcGPR:$dst)>, Requires<[IsNotDarwin]>;
2717 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
2718 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
2720 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
2721 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
2724 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>,
2725 Requires<[IsARM, IsNotDarwin]>;
2726 def : ARMPat<(ARMcall texternalsym:$func), (BLr9 texternalsym:$func)>,
2727 Requires<[IsARM, IsDarwin]>;
2729 // zextload i1 -> zextload i8
2730 def : ARMPat<(zextloadi1 addrmode2:$addr), (LDRB addrmode2:$addr)>;
2732 // extload -> zextload
2733 def : ARMPat<(extloadi1 addrmode2:$addr), (LDRB addrmode2:$addr)>;
2734 def : ARMPat<(extloadi8 addrmode2:$addr), (LDRB addrmode2:$addr)>;
2735 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
2737 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
2738 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
2741 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
2742 (sra (shl GPR:$b, (i32 16)), (i32 16))),
2743 (SMULBB GPR:$a, GPR:$b)>;
2744 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
2745 (SMULBB GPR:$a, GPR:$b)>;
2746 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
2747 (sra GPR:$b, (i32 16))),
2748 (SMULBT GPR:$a, GPR:$b)>;
2749 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
2750 (SMULBT GPR:$a, GPR:$b)>;
2751 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
2752 (sra (shl GPR:$b, (i32 16)), (i32 16))),
2753 (SMULTB GPR:$a, GPR:$b)>;
2754 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
2755 (SMULTB GPR:$a, GPR:$b)>;
2756 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
2758 (SMULWB GPR:$a, GPR:$b)>;
2759 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
2760 (SMULWB GPR:$a, GPR:$b)>;
2762 def : ARMV5TEPat<(add GPR:$acc,
2763 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
2764 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
2765 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
2766 def : ARMV5TEPat<(add GPR:$acc,
2767 (mul sext_16_node:$a, sext_16_node:$b)),
2768 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
2769 def : ARMV5TEPat<(add GPR:$acc,
2770 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
2771 (sra GPR:$b, (i32 16)))),
2772 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
2773 def : ARMV5TEPat<(add GPR:$acc,
2774 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
2775 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
2776 def : ARMV5TEPat<(add GPR:$acc,
2777 (mul (sra GPR:$a, (i32 16)),
2778 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
2779 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
2780 def : ARMV5TEPat<(add GPR:$acc,
2781 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
2782 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
2783 def : ARMV5TEPat<(add GPR:$acc,
2784 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
2786 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
2787 def : ARMV5TEPat<(add GPR:$acc,
2788 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
2789 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
2791 //===----------------------------------------------------------------------===//
2795 include "ARMInstrThumb.td"
2797 //===----------------------------------------------------------------------===//
2801 include "ARMInstrThumb2.td"
2803 //===----------------------------------------------------------------------===//
2804 // Floating Point Support
2807 include "ARMInstrVFP.td"
2809 //===----------------------------------------------------------------------===//
2810 // Advanced SIMD (NEON) Support
2813 include "ARMInstrNEON.td"
2815 //===----------------------------------------------------------------------===//
2816 // Coprocessor Instructions. For disassembly only.
2819 def CDP : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2820 nohash_imm:$CRd, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2821 NoItinerary, "cdp", "\tp$cop, $opc1, cr$CRd, cr$CRn, cr$CRm, $opc2",
2822 [/* For disassembly only; pattern left blank */]> {
2826 def CDP2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2827 nohash_imm:$CRd, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2828 NoItinerary, "cdp2\tp$cop, $opc1, cr$CRd, cr$CRn, cr$CRm, $opc2",
2829 [/* For disassembly only; pattern left blank */]> {
2830 let Inst{31-28} = 0b1111;
2834 class ACI<dag oops, dag iops, string opc, string asm>
2835 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, BrFrm, NoItinerary,
2836 opc, asm, "", [/* For disassembly only; pattern left blank */]> {
2837 let Inst{27-25} = 0b110;
2840 multiclass LdStCop<bits<4> op31_28, bit load, string opc> {
2842 def _OFFSET : ACI<(outs),
2843 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
2844 opc, "\tp$cop, cr$CRd, $addr"> {
2845 let Inst{31-28} = op31_28;
2846 let Inst{24} = 1; // P = 1
2847 let Inst{21} = 0; // W = 0
2848 let Inst{22} = 0; // D = 0
2849 let Inst{20} = load;
2852 def _PRE : ACI<(outs),
2853 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
2854 opc, "\tp$cop, cr$CRd, $addr!"> {
2855 let Inst{31-28} = op31_28;
2856 let Inst{24} = 1; // P = 1
2857 let Inst{21} = 1; // W = 1
2858 let Inst{22} = 0; // D = 0
2859 let Inst{20} = load;
2862 def _POST : ACI<(outs),
2863 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
2864 opc, "\tp$cop, cr$CRd, [$base], $offset"> {
2865 let Inst{31-28} = op31_28;
2866 let Inst{24} = 0; // P = 0
2867 let Inst{21} = 1; // W = 1
2868 let Inst{22} = 0; // D = 0
2869 let Inst{20} = load;
2872 def _OPTION : ACI<(outs),
2873 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, i32imm:$option),
2874 opc, "\tp$cop, cr$CRd, [$base], $option"> {
2875 let Inst{31-28} = op31_28;
2876 let Inst{24} = 0; // P = 0
2877 let Inst{23} = 1; // U = 1
2878 let Inst{21} = 0; // W = 0
2879 let Inst{22} = 0; // D = 0
2880 let Inst{20} = load;
2883 def L_OFFSET : ACI<(outs),
2884 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
2885 !strconcat(opc, "l"), "\tp$cop, cr$CRd, $addr"> {
2886 let Inst{31-28} = op31_28;
2887 let Inst{24} = 1; // P = 1
2888 let Inst{21} = 0; // W = 0
2889 let Inst{22} = 1; // D = 1
2890 let Inst{20} = load;
2893 def L_PRE : ACI<(outs),
2894 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
2895 !strconcat(opc, "l"), "\tp$cop, cr$CRd, $addr!"> {
2896 let Inst{31-28} = op31_28;
2897 let Inst{24} = 1; // P = 1
2898 let Inst{21} = 1; // W = 1
2899 let Inst{22} = 1; // D = 1
2900 let Inst{20} = load;
2903 def L_POST : ACI<(outs),
2904 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
2905 !strconcat(opc, "l"), "\tp$cop, cr$CRd, [$base], $offset"> {
2906 let Inst{31-28} = op31_28;
2907 let Inst{24} = 0; // P = 0
2908 let Inst{21} = 1; // W = 1
2909 let Inst{22} = 1; // D = 1
2910 let Inst{20} = load;
2913 def L_OPTION : ACI<(outs),
2914 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, nohash_imm:$option),
2915 !strconcat(opc, "l"), "\tp$cop, cr$CRd, [$base], $option"> {
2916 let Inst{31-28} = op31_28;
2917 let Inst{24} = 0; // P = 0
2918 let Inst{23} = 1; // U = 1
2919 let Inst{21} = 0; // W = 0
2920 let Inst{22} = 1; // D = 1
2921 let Inst{20} = load;
2925 defm LDC : LdStCop<{?,?,?,?}, 1, "ldc">;
2926 defm LDC2 : LdStCop<0b1111, 1, "ldc2">;
2927 defm STC : LdStCop<{?,?,?,?}, 0, "stc">;
2928 defm STC2 : LdStCop<0b1111, 0, "stc2">;
2930 def MCR : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2931 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2932 NoItinerary, "mcr", "\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
2933 [/* For disassembly only; pattern left blank */]> {
2938 def MCR2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2939 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2940 NoItinerary, "mcr2\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
2941 [/* For disassembly only; pattern left blank */]> {
2942 let Inst{31-28} = 0b1111;
2947 def MRC : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2948 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2949 NoItinerary, "mrc", "\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
2950 [/* For disassembly only; pattern left blank */]> {
2955 def MRC2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2956 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2957 NoItinerary, "mrc2\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
2958 [/* For disassembly only; pattern left blank */]> {
2959 let Inst{31-28} = 0b1111;
2964 def MCRR : ABI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
2965 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
2966 NoItinerary, "mcrr", "\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
2967 [/* For disassembly only; pattern left blank */]> {
2968 let Inst{23-20} = 0b0100;
2971 def MCRR2 : ABXI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
2972 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
2973 NoItinerary, "mcrr2\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
2974 [/* For disassembly only; pattern left blank */]> {
2975 let Inst{31-28} = 0b1111;
2976 let Inst{23-20} = 0b0100;
2979 def MRRC : ABI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
2980 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
2981 NoItinerary, "mrrc", "\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
2982 [/* For disassembly only; pattern left blank */]> {
2983 let Inst{23-20} = 0b0101;
2986 def MRRC2 : ABXI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
2987 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
2988 NoItinerary, "mrrc2\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
2989 [/* For disassembly only; pattern left blank */]> {
2990 let Inst{31-28} = 0b1111;
2991 let Inst{23-20} = 0b0101;
2994 //===----------------------------------------------------------------------===//
2995 // Move between special register and ARM core register -- for disassembly only
2998 def MRS : ABI<0b0001,(outs GPR:$dst),(ins), NoItinerary, "mrs", "\t$dst, cpsr",
2999 [/* For disassembly only; pattern left blank */]> {
3000 let Inst{23-20} = 0b0000;
3001 let Inst{7-4} = 0b0000;
3004 def MRSsys : ABI<0b0001,(outs GPR:$dst),(ins), NoItinerary,"mrs","\t$dst, spsr",
3005 [/* For disassembly only; pattern left blank */]> {
3006 let Inst{23-20} = 0b0100;
3007 let Inst{7-4} = 0b0000;
3010 def MSR : ABI<0b0001, (outs), (ins GPR:$src, msr_mask:$mask), NoItinerary,
3011 "msr", "\tcpsr$mask, $src",
3012 [/* For disassembly only; pattern left blank */]> {
3013 let Inst{23-20} = 0b0010;
3014 let Inst{7-4} = 0b0000;
3017 def MSRi : ABI<0b0011, (outs), (ins so_imm:$a, msr_mask:$mask), NoItinerary,
3018 "msr", "\tcpsr$mask, $a",
3019 [/* For disassembly only; pattern left blank */]> {
3020 let Inst{23-20} = 0b0010;
3021 let Inst{7-4} = 0b0000;
3024 def MSRsys : ABI<0b0001, (outs), (ins GPR:$src, msr_mask:$mask), NoItinerary,
3025 "msr", "\tspsr$mask, $src",
3026 [/* For disassembly only; pattern left blank */]> {
3027 let Inst{23-20} = 0b0110;
3028 let Inst{7-4} = 0b0000;
3031 def MSRsysi : ABI<0b0011, (outs), (ins so_imm:$a, msr_mask:$mask), NoItinerary,
3032 "msr", "\tspsr$mask, $a",
3033 [/* For disassembly only; pattern left blank */]> {
3034 let Inst{23-20} = 0b0110;
3035 let Inst{7-4} = 0b0000;