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, [SDTCisInt<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>,
50 def SDT_ARMMEMBARRIERV7 : SDTypeProfile<0, 0, []>;
51 def SDT_ARMSYNCBARRIERV7 : SDTypeProfile<0, 0, []>;
52 def SDT_ARMMEMBARRIERV6 : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
53 def SDT_ARMSYNCBARRIERV6 : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
56 def ARMWrapper : SDNode<"ARMISD::Wrapper", SDTIntUnaryOp>;
57 def ARMWrapperJT : SDNode<"ARMISD::WrapperJT", SDTIntBinOp>;
59 def ARMcallseq_start : SDNode<"ISD::CALLSEQ_START", SDT_ARMCallSeqStart,
60 [SDNPHasChain, SDNPOutFlag]>;
61 def ARMcallseq_end : SDNode<"ISD::CALLSEQ_END", SDT_ARMCallSeqEnd,
62 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
64 def ARMcall : SDNode<"ARMISD::CALL", SDT_ARMcall,
65 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
66 def ARMcall_pred : SDNode<"ARMISD::CALL_PRED", SDT_ARMcall,
67 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
68 def ARMcall_nolink : SDNode<"ARMISD::CALL_NOLINK", SDT_ARMcall,
69 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
71 def ARMretflag : SDNode<"ARMISD::RET_FLAG", SDTNone,
72 [SDNPHasChain, SDNPOptInFlag]>;
74 def ARMcmov : SDNode<"ARMISD::CMOV", SDT_ARMCMov,
76 def ARMcneg : SDNode<"ARMISD::CNEG", SDT_ARMCMov,
79 def ARMbrcond : SDNode<"ARMISD::BRCOND", SDT_ARMBrcond,
80 [SDNPHasChain, SDNPInFlag, SDNPOutFlag]>;
82 def ARMbrjt : SDNode<"ARMISD::BR_JT", SDT_ARMBrJT,
84 def ARMbr2jt : SDNode<"ARMISD::BR2_JT", SDT_ARMBr2JT,
87 def ARMcmp : SDNode<"ARMISD::CMP", SDT_ARMCmp,
90 def ARMcmpZ : SDNode<"ARMISD::CMPZ", SDT_ARMCmp,
91 [SDNPOutFlag,SDNPCommutative]>;
93 def ARMpic_add : SDNode<"ARMISD::PIC_ADD", SDT_ARMPICAdd>;
95 def ARMsrl_flag : SDNode<"ARMISD::SRL_FLAG", SDTIntUnaryOp, [SDNPOutFlag]>;
96 def ARMsra_flag : SDNode<"ARMISD::SRA_FLAG", SDTIntUnaryOp, [SDNPOutFlag]>;
97 def ARMrrx : SDNode<"ARMISD::RRX" , SDTIntUnaryOp, [SDNPInFlag ]>;
99 def ARMthread_pointer: SDNode<"ARMISD::THREAD_POINTER", SDT_ARMThreadPointer>;
100 def ARMeh_sjlj_setjmp: SDNode<"ARMISD::EH_SJLJ_SETJMP", SDT_ARMEH_SJLJ_Setjmp>;
102 def ARMMemBarrierV7 : SDNode<"ARMISD::MEMBARRIER", SDT_ARMMEMBARRIERV7,
104 def ARMSyncBarrierV7 : SDNode<"ARMISD::SYNCBARRIER", SDT_ARMMEMBARRIERV7,
106 def ARMMemBarrierV6 : SDNode<"ARMISD::MEMBARRIER", SDT_ARMMEMBARRIERV6,
108 def ARMSyncBarrierV6 : SDNode<"ARMISD::SYNCBARRIER", SDT_ARMMEMBARRIERV6,
111 def ARMrbit : SDNode<"ARMISD::RBIT", SDTIntUnaryOp>;
113 //===----------------------------------------------------------------------===//
114 // ARM Instruction Predicate Definitions.
116 def HasV5T : Predicate<"Subtarget->hasV5TOps()">;
117 def HasV5TE : Predicate<"Subtarget->hasV5TEOps()">;
118 def HasV6 : Predicate<"Subtarget->hasV6Ops()">;
119 def HasV6T2 : Predicate<"Subtarget->hasV6T2Ops()">;
120 def NoV6T2 : Predicate<"!Subtarget->hasV6T2Ops()">;
121 def HasV7 : Predicate<"Subtarget->hasV7Ops()">;
122 def HasVFP2 : Predicate<"Subtarget->hasVFP2()">;
123 def HasVFP3 : Predicate<"Subtarget->hasVFP3()">;
124 def HasNEON : Predicate<"Subtarget->hasNEON()">;
125 def UseNEONForFP : Predicate<"Subtarget->useNEONForSinglePrecisionFP()">;
126 def DontUseNEONForFP : Predicate<"!Subtarget->useNEONForSinglePrecisionFP()">;
127 def IsThumb : Predicate<"Subtarget->isThumb()">;
128 def IsThumb1Only : Predicate<"Subtarget->isThumb1Only()">;
129 def IsThumb2 : Predicate<"Subtarget->isThumb2()">;
130 def IsARM : Predicate<"!Subtarget->isThumb()">;
131 def IsDarwin : Predicate<"Subtarget->isTargetDarwin()">;
132 def IsNotDarwin : Predicate<"!Subtarget->isTargetDarwin()">;
133 def CarryDefIsUnused : Predicate<"!N->hasAnyUseOfValue(1)">;
134 def CarryDefIsUsed : Predicate<"N->hasAnyUseOfValue(1)">;
136 // FIXME: Eventually this will be just "hasV6T2Ops".
137 def UseMovt : Predicate<"Subtarget->useMovt()">;
138 def DontUseMovt : Predicate<"!Subtarget->useMovt()">;
140 //===----------------------------------------------------------------------===//
141 // ARM Flag Definitions.
143 class RegConstraint<string C> {
144 string Constraints = C;
147 //===----------------------------------------------------------------------===//
148 // ARM specific transformation functions and pattern fragments.
151 // so_imm_neg_XFORM - Return a so_imm value packed into the format described for
152 // so_imm_neg def below.
153 def so_imm_neg_XFORM : SDNodeXForm<imm, [{
154 return CurDAG->getTargetConstant(-(int)N->getZExtValue(), MVT::i32);
157 // so_imm_not_XFORM - Return a so_imm value packed into the format described for
158 // so_imm_not def below.
159 def so_imm_not_XFORM : SDNodeXForm<imm, [{
160 return CurDAG->getTargetConstant(~(int)N->getZExtValue(), MVT::i32);
163 // rot_imm predicate - True if the 32-bit immediate is equal to 8, 16, or 24.
164 def rot_imm : PatLeaf<(i32 imm), [{
165 int32_t v = (int32_t)N->getZExtValue();
166 return v == 8 || v == 16 || v == 24;
169 /// imm1_15 predicate - True if the 32-bit immediate is in the range [1,15].
170 def imm1_15 : PatLeaf<(i32 imm), [{
171 return (int32_t)N->getZExtValue() >= 1 && (int32_t)N->getZExtValue() < 16;
174 /// imm16_31 predicate - True if the 32-bit immediate is in the range [16,31].
175 def imm16_31 : PatLeaf<(i32 imm), [{
176 return (int32_t)N->getZExtValue() >= 16 && (int32_t)N->getZExtValue() < 32;
181 return ARM_AM::getSOImmVal(-(int)N->getZExtValue()) != -1;
182 }], so_imm_neg_XFORM>;
186 return ARM_AM::getSOImmVal(~(int)N->getZExtValue()) != -1;
187 }], so_imm_not_XFORM>;
189 // sext_16_node predicate - True if the SDNode is sign-extended 16 or more bits.
190 def sext_16_node : PatLeaf<(i32 GPR:$a), [{
191 return CurDAG->ComputeNumSignBits(SDValue(N,0)) >= 17;
194 /// bf_inv_mask_imm predicate - An AND mask to clear an arbitrary width bitfield
196 def bf_inv_mask_imm : Operand<i32>,
198 uint32_t v = (uint32_t)N->getZExtValue();
201 // there can be 1's on either or both "outsides", all the "inside"
203 unsigned int lsb = 0, msb = 31;
204 while (v & (1 << msb)) --msb;
205 while (v & (1 << lsb)) ++lsb;
206 for (unsigned int i = lsb; i <= msb; ++i) {
212 let PrintMethod = "printBitfieldInvMaskImmOperand";
215 /// Split a 32-bit immediate into two 16 bit parts.
216 def lo16 : SDNodeXForm<imm, [{
217 return CurDAG->getTargetConstant((uint32_t)N->getZExtValue() & 0xffff,
221 def hi16 : SDNodeXForm<imm, [{
222 return CurDAG->getTargetConstant((uint32_t)N->getZExtValue() >> 16, MVT::i32);
225 def lo16AllZero : PatLeaf<(i32 imm), [{
226 // Returns true if all low 16-bits are 0.
227 return (((uint32_t)N->getZExtValue()) & 0xFFFFUL) == 0;
230 /// imm0_65535 predicate - True if the 32-bit immediate is in the range
232 def imm0_65535 : PatLeaf<(i32 imm), [{
233 return (uint32_t)N->getZExtValue() < 65536;
236 class BinOpFrag<dag res> : PatFrag<(ops node:$LHS, node:$RHS), res>;
237 class UnOpFrag <dag res> : PatFrag<(ops node:$Src), res>;
239 //===----------------------------------------------------------------------===//
240 // Operand Definitions.
244 def brtarget : Operand<OtherVT>;
246 // A list of registers separated by comma. Used by load/store multiple.
247 def reglist : Operand<i32> {
248 let PrintMethod = "printRegisterList";
251 // An operand for the CONSTPOOL_ENTRY pseudo-instruction.
252 def cpinst_operand : Operand<i32> {
253 let PrintMethod = "printCPInstOperand";
256 def jtblock_operand : Operand<i32> {
257 let PrintMethod = "printJTBlockOperand";
259 def jt2block_operand : Operand<i32> {
260 let PrintMethod = "printJT2BlockOperand";
264 def pclabel : Operand<i32> {
265 let PrintMethod = "printPCLabel";
268 // shifter_operand operands: so_reg and so_imm.
269 def so_reg : Operand<i32>, // reg reg imm
270 ComplexPattern<i32, 3, "SelectShifterOperandReg",
271 [shl,srl,sra,rotr]> {
272 let PrintMethod = "printSORegOperand";
273 let MIOperandInfo = (ops GPR, GPR, i32imm);
276 // so_imm - Match a 32-bit shifter_operand immediate operand, which is an
277 // 8-bit immediate rotated by an arbitrary number of bits. so_imm values are
278 // represented in the imm field in the same 12-bit form that they are encoded
279 // into so_imm instructions: the 8-bit immediate is the least significant bits
280 // [bits 0-7], the 4-bit shift amount is the next 4 bits [bits 8-11].
281 def so_imm : Operand<i32>,
283 return ARM_AM::getSOImmVal(N->getZExtValue()) != -1;
285 let PrintMethod = "printSOImmOperand";
288 // Break so_imm's up into two pieces. This handles immediates with up to 16
289 // bits set in them. This uses so_imm2part to match and so_imm2part_[12] to
290 // get the first/second pieces.
291 def so_imm2part : Operand<i32>,
293 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
295 let PrintMethod = "printSOImm2PartOperand";
298 def so_imm2part_1 : SDNodeXForm<imm, [{
299 unsigned V = ARM_AM::getSOImmTwoPartFirst((unsigned)N->getZExtValue());
300 return CurDAG->getTargetConstant(V, MVT::i32);
303 def so_imm2part_2 : SDNodeXForm<imm, [{
304 unsigned V = ARM_AM::getSOImmTwoPartSecond((unsigned)N->getZExtValue());
305 return CurDAG->getTargetConstant(V, MVT::i32);
308 def so_neg_imm2part : Operand<i32>, PatLeaf<(imm), [{
309 return ARM_AM::isSOImmTwoPartVal(-(int)N->getZExtValue());
311 let PrintMethod = "printSOImm2PartOperand";
314 def so_neg_imm2part_1 : SDNodeXForm<imm, [{
315 unsigned V = ARM_AM::getSOImmTwoPartFirst(-(int)N->getZExtValue());
316 return CurDAG->getTargetConstant(V, MVT::i32);
319 def so_neg_imm2part_2 : SDNodeXForm<imm, [{
320 unsigned V = ARM_AM::getSOImmTwoPartSecond(-(int)N->getZExtValue());
321 return CurDAG->getTargetConstant(V, MVT::i32);
324 /// imm0_31 predicate - True if the 32-bit immediate is in the range [0,31].
325 def imm0_31 : Operand<i32>, PatLeaf<(imm), [{
326 return (int32_t)N->getZExtValue() < 32;
329 // Define ARM specific addressing modes.
331 // addrmode2 := reg +/- reg shop imm
332 // addrmode2 := reg +/- imm12
334 def addrmode2 : Operand<i32>,
335 ComplexPattern<i32, 3, "SelectAddrMode2", []> {
336 let PrintMethod = "printAddrMode2Operand";
337 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
340 def am2offset : Operand<i32>,
341 ComplexPattern<i32, 2, "SelectAddrMode2Offset", []> {
342 let PrintMethod = "printAddrMode2OffsetOperand";
343 let MIOperandInfo = (ops GPR, i32imm);
346 // addrmode3 := reg +/- reg
347 // addrmode3 := reg +/- imm8
349 def addrmode3 : Operand<i32>,
350 ComplexPattern<i32, 3, "SelectAddrMode3", []> {
351 let PrintMethod = "printAddrMode3Operand";
352 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
355 def am3offset : Operand<i32>,
356 ComplexPattern<i32, 2, "SelectAddrMode3Offset", []> {
357 let PrintMethod = "printAddrMode3OffsetOperand";
358 let MIOperandInfo = (ops GPR, i32imm);
361 // addrmode4 := reg, <mode|W>
363 def addrmode4 : Operand<i32>,
364 ComplexPattern<i32, 2, "SelectAddrMode4", []> {
365 let PrintMethod = "printAddrMode4Operand";
366 let MIOperandInfo = (ops GPR, i32imm);
369 // addrmode5 := reg +/- imm8*4
371 def addrmode5 : Operand<i32>,
372 ComplexPattern<i32, 2, "SelectAddrMode5", []> {
373 let PrintMethod = "printAddrMode5Operand";
374 let MIOperandInfo = (ops GPR, i32imm);
377 // addrmode6 := reg with optional writeback
379 def addrmode6 : Operand<i32>,
380 ComplexPattern<i32, 4, "SelectAddrMode6", []> {
381 let PrintMethod = "printAddrMode6Operand";
382 let MIOperandInfo = (ops GPR:$addr, GPR:$upd, i32imm, i32imm);
385 // addrmodepc := pc + reg
387 def addrmodepc : Operand<i32>,
388 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
389 let PrintMethod = "printAddrModePCOperand";
390 let MIOperandInfo = (ops GPR, i32imm);
393 def nohash_imm : Operand<i32> {
394 let PrintMethod = "printNoHashImmediate";
397 //===----------------------------------------------------------------------===//
399 include "ARMInstrFormats.td"
401 //===----------------------------------------------------------------------===//
402 // Multiclass helpers...
405 /// AsI1_bin_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns for a
406 /// binop that produces a value.
407 multiclass AsI1_bin_irs<bits<4> opcod, string opc, PatFrag opnode,
408 bit Commutable = 0> {
409 def ri : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
410 IIC_iALUi, opc, "\t$dst, $a, $b",
411 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]> {
414 def rr : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
415 IIC_iALUr, opc, "\t$dst, $a, $b",
416 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]> {
417 let Inst{11-4} = 0b00000000;
419 let isCommutable = Commutable;
421 def rs : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
422 IIC_iALUsr, opc, "\t$dst, $a, $b",
423 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]> {
428 /// AI1_bin_s_irs - Similar to AsI1_bin_irs except it sets the 's' bit so the
429 /// instruction modifies the CPSR register.
430 let Defs = [CPSR] in {
431 multiclass AI1_bin_s_irs<bits<4> opcod, string opc, PatFrag opnode,
432 bit Commutable = 0> {
433 def ri : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
434 IIC_iALUi, opc, "\t$dst, $a, $b",
435 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]> {
439 def rr : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
440 IIC_iALUr, opc, "\t$dst, $a, $b",
441 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]> {
442 let isCommutable = Commutable;
443 let Inst{11-4} = 0b00000000;
447 def rs : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
448 IIC_iALUsr, opc, "\t$dst, $a, $b",
449 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]> {
456 /// AI1_cmp_irs - Defines a set of (op r, {so_imm|r|so_reg}) cmp / test
457 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
458 /// a explicit result, only implicitly set CPSR.
459 let Defs = [CPSR] in {
460 multiclass AI1_cmp_irs<bits<4> opcod, string opc, PatFrag opnode,
461 bit Commutable = 0> {
462 def ri : AI1<opcod, (outs), (ins GPR:$a, so_imm:$b), DPFrm, IIC_iCMPi,
464 [(opnode GPR:$a, so_imm:$b)]> {
468 def rr : AI1<opcod, (outs), (ins GPR:$a, GPR:$b), DPFrm, IIC_iCMPr,
470 [(opnode GPR:$a, GPR:$b)]> {
471 let Inst{11-4} = 0b00000000;
474 let isCommutable = Commutable;
476 def rs : AI1<opcod, (outs), (ins GPR:$a, so_reg:$b), DPSoRegFrm, IIC_iCMPsr,
478 [(opnode GPR:$a, so_reg:$b)]> {
485 /// AI_unary_rrot - A unary operation with two forms: one whose operand is a
486 /// register and one whose operand is a register rotated by 8/16/24.
487 /// FIXME: Remove the 'r' variant. Its rot_imm is zero.
488 multiclass AI_unary_rrot<bits<8> opcod, string opc, PatFrag opnode> {
489 def r : AExtI<opcod, (outs GPR:$dst), (ins GPR:$src),
490 IIC_iUNAr, opc, "\t$dst, $src",
491 [(set GPR:$dst, (opnode GPR:$src))]>,
492 Requires<[IsARM, HasV6]> {
493 let Inst{11-10} = 0b00;
494 let Inst{19-16} = 0b1111;
496 def r_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$src, i32imm:$rot),
497 IIC_iUNAsi, opc, "\t$dst, $src, ror $rot",
498 [(set GPR:$dst, (opnode (rotr GPR:$src, rot_imm:$rot)))]>,
499 Requires<[IsARM, HasV6]> {
500 let Inst{19-16} = 0b1111;
504 /// AI_bin_rrot - A binary operation with two forms: one whose operand is a
505 /// register and one whose operand is a register rotated by 8/16/24.
506 multiclass AI_bin_rrot<bits<8> opcod, string opc, PatFrag opnode> {
507 def rr : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS),
508 IIC_iALUr, opc, "\t$dst, $LHS, $RHS",
509 [(set GPR:$dst, (opnode GPR:$LHS, GPR:$RHS))]>,
510 Requires<[IsARM, HasV6]> {
511 let Inst{11-10} = 0b00;
513 def rr_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS, i32imm:$rot),
514 IIC_iALUsi, opc, "\t$dst, $LHS, $RHS, ror $rot",
515 [(set GPR:$dst, (opnode GPR:$LHS,
516 (rotr GPR:$RHS, rot_imm:$rot)))]>,
517 Requires<[IsARM, HasV6]>;
520 /// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
521 let Uses = [CPSR] in {
522 multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode,
523 bit Commutable = 0> {
524 def ri : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
525 DPFrm, IIC_iALUi, opc, "\t$dst, $a, $b",
526 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]>,
527 Requires<[IsARM, CarryDefIsUnused]> {
530 def rr : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
531 DPFrm, IIC_iALUr, opc, "\t$dst, $a, $b",
532 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]>,
533 Requires<[IsARM, CarryDefIsUnused]> {
534 let isCommutable = Commutable;
535 let Inst{11-4} = 0b00000000;
538 def rs : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
539 DPSoRegFrm, IIC_iALUsr, opc, "\t$dst, $a, $b",
540 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]>,
541 Requires<[IsARM, CarryDefIsUnused]> {
545 // Carry setting variants
546 let Defs = [CPSR] in {
547 multiclass AI1_adde_sube_s_irs<bits<4> opcod, string opc, PatFrag opnode,
548 bit Commutable = 0> {
549 def Sri : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
550 DPFrm, IIC_iALUi, !strconcat(opc, "\t$dst, $a, $b"),
551 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]>,
552 Requires<[IsARM, CarryDefIsUsed]> {
557 def Srr : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
558 DPFrm, IIC_iALUr, !strconcat(opc, "\t$dst, $a, $b"),
559 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]>,
560 Requires<[IsARM, CarryDefIsUsed]> {
562 let Inst{11-4} = 0b00000000;
566 def Srs : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
567 DPSoRegFrm, IIC_iALUsr, !strconcat(opc, "\t$dst, $a, $b"),
568 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]>,
569 Requires<[IsARM, CarryDefIsUsed]> {
578 //===----------------------------------------------------------------------===//
580 //===----------------------------------------------------------------------===//
582 //===----------------------------------------------------------------------===//
583 // Miscellaneous Instructions.
586 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
587 /// the function. The first operand is the ID# for this instruction, the second
588 /// is the index into the MachineConstantPool that this is, the third is the
589 /// size in bytes of this constant pool entry.
590 let neverHasSideEffects = 1, isNotDuplicable = 1 in
591 def CONSTPOOL_ENTRY :
592 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
593 i32imm:$size), NoItinerary,
594 "${instid:label} ${cpidx:cpentry}", []>;
596 let Defs = [SP], Uses = [SP] in {
598 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary,
599 "@ ADJCALLSTACKUP $amt1",
600 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
602 def ADJCALLSTACKDOWN :
603 PseudoInst<(outs), (ins i32imm:$amt, pred:$p), NoItinerary,
604 "@ ADJCALLSTACKDOWN $amt",
605 [(ARMcallseq_start timm:$amt)]>;
608 def NOP : AI<(outs), (ins), MiscFrm, NoItinerary, "nop", "",
609 [/* For disassembly only; pattern left blank */]>,
610 Requires<[IsARM, HasV6T2]> {
611 let Inst{27-16} = 0b001100100000;
612 let Inst{7-0} = 0b00000000;
615 def YIELD : AI<(outs), (ins), MiscFrm, NoItinerary, "yield", "",
616 [/* For disassembly only; pattern left blank */]>,
617 Requires<[IsARM, HasV6T2]> {
618 let Inst{27-16} = 0b001100100000;
619 let Inst{7-0} = 0b00000001;
622 def WFE : AI<(outs), (ins), MiscFrm, NoItinerary, "wfe", "",
623 [/* For disassembly only; pattern left blank */]>,
624 Requires<[IsARM, HasV6T2]> {
625 let Inst{27-16} = 0b001100100000;
626 let Inst{7-0} = 0b00000010;
629 def WFI : AI<(outs), (ins), MiscFrm, NoItinerary, "wfi", "",
630 [/* For disassembly only; pattern left blank */]>,
631 Requires<[IsARM, HasV6T2]> {
632 let Inst{27-16} = 0b001100100000;
633 let Inst{7-0} = 0b00000011;
636 def SEV : AI<(outs), (ins), MiscFrm, NoItinerary, "sev", "",
637 [/* For disassembly only; pattern left blank */]>,
638 Requires<[IsARM, HasV6T2]> {
639 let Inst{27-16} = 0b001100100000;
640 let Inst{7-0} = 0b00000100;
643 // The i32imm operand $val can be used by a debugger to store more information
644 // about the breakpoint.
645 def BKPT : AI<(outs), (ins i32imm:$val), MiscFrm, NoItinerary, "bkpt", "\t$val",
646 [/* For disassembly only; pattern left blank */]>,
648 let Inst{27-20} = 0b00010010;
649 let Inst{7-4} = 0b0111;
652 // Change Processor State is a system instruction -- for disassembly only.
653 // The singleton $opt operand contains the following information:
654 // opt{4-0} = mode from Inst{4-0}
655 // opt{5} = changemode from Inst{17}
656 // opt{8-6} = AIF from Inst{8-6}
657 // opt{10-9} = imod from Inst{19-18} with 0b10 as enable and 0b11 as disable
658 def CPS : AXI<(outs),(ins i32imm:$opt), MiscFrm, NoItinerary, "cps${opt:cps}",
659 [/* For disassembly only; pattern left blank */]>,
661 let Inst{31-28} = 0b1111;
662 let Inst{27-20} = 0b00010000;
667 def DBG : AI<(outs), (ins i32imm:$opt), MiscFrm, NoItinerary, "dbg", "\t$opt",
668 [/* For disassembly only; pattern left blank */]>,
669 Requires<[IsARM, HasV7]> {
670 let Inst{27-16} = 0b001100100000;
671 let Inst{7-4} = 0b1111;
674 // A5.4 Permanently UNDEFINED instructions.
675 def TRAP : AI<(outs), (ins), MiscFrm, NoItinerary, "trap", "",
676 [/* For disassembly only; pattern left blank */]>,
678 let Inst{27-25} = 0b011;
679 let Inst{24-20} = 0b11111;
680 let Inst{7-5} = 0b111;
684 // Address computation and loads and stores in PIC mode.
685 let isNotDuplicable = 1 in {
686 def PICADD : AXI1<0b0100, (outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
687 Pseudo, IIC_iALUr, "\n$cp:\n\tadd$p\t$dst, pc, $a",
688 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
690 let AddedComplexity = 10 in {
691 def PICLDR : AXI2ldw<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
692 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldr$p\t$dst, $addr",
693 [(set GPR:$dst, (load addrmodepc:$addr))]>;
695 def PICLDRH : AXI3ldh<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
696 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldrh${p}\t$dst, $addr",
697 [(set GPR:$dst, (zextloadi16 addrmodepc:$addr))]>;
699 def PICLDRB : AXI2ldb<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
700 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldrb${p}\t$dst, $addr",
701 [(set GPR:$dst, (zextloadi8 addrmodepc:$addr))]>;
703 def PICLDRSH : AXI3ldsh<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
704 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldrsh${p}\t$dst, $addr",
705 [(set GPR:$dst, (sextloadi16 addrmodepc:$addr))]>;
707 def PICLDRSB : AXI3ldsb<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
708 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldrsb${p}\t$dst, $addr",
709 [(set GPR:$dst, (sextloadi8 addrmodepc:$addr))]>;
711 let AddedComplexity = 10 in {
712 def PICSTR : AXI2stw<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
713 Pseudo, IIC_iStorer, "\n${addr:label}:\n\tstr$p\t$src, $addr",
714 [(store GPR:$src, addrmodepc:$addr)]>;
716 def PICSTRH : AXI3sth<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
717 Pseudo, IIC_iStorer, "\n${addr:label}:\n\tstrh${p}\t$src, $addr",
718 [(truncstorei16 GPR:$src, addrmodepc:$addr)]>;
720 def PICSTRB : AXI2stb<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
721 Pseudo, IIC_iStorer, "\n${addr:label}:\n\tstrb${p}\t$src, $addr",
722 [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
724 } // isNotDuplicable = 1
727 // LEApcrel - Load a pc-relative address into a register without offending the
729 def LEApcrel : AXI1<0x0, (outs GPR:$dst), (ins i32imm:$label, pred:$p),
731 !strconcat(!strconcat(".set ${:private}PCRELV${:uid}, ($label-(",
732 "${:private}PCRELL${:uid}+8))\n"),
733 !strconcat("${:private}PCRELL${:uid}:\n\t",
734 "add$p\t$dst, pc, #${:private}PCRELV${:uid}")),
737 def LEApcrelJT : AXI1<0x0, (outs GPR:$dst),
738 (ins i32imm:$label, nohash_imm:$id, pred:$p),
740 !strconcat(!strconcat(".set ${:private}PCRELV${:uid}, "
742 "${:private}PCRELL${:uid}+8))\n"),
743 !strconcat("${:private}PCRELL${:uid}:\n\t",
744 "add$p\t$dst, pc, #${:private}PCRELV${:uid}")),
749 //===----------------------------------------------------------------------===//
750 // Control Flow Instructions.
753 let isReturn = 1, isTerminator = 1, isBarrier = 1 in
754 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
755 "bx", "\tlr", [(ARMretflag)]> {
756 let Inst{3-0} = 0b1110;
757 let Inst{7-4} = 0b0001;
758 let Inst{19-8} = 0b111111111111;
759 let Inst{27-20} = 0b00010010;
763 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
764 def BRIND : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
765 [(brind GPR:$dst)]> {
766 let Inst{7-4} = 0b0001;
767 let Inst{19-8} = 0b111111111111;
768 let Inst{27-20} = 0b00010010;
769 let Inst{31-28} = 0b1110;
773 // FIXME: remove when we have a way to marking a MI with these properties.
774 // FIXME: Should pc be an implicit operand like PICADD, etc?
775 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
776 hasExtraDefRegAllocReq = 1 in
777 def LDM_RET : AXI4ld<(outs),
778 (ins addrmode4:$addr, pred:$p, reglist:$wb, variable_ops),
779 LdStMulFrm, IIC_Br, "ldm${addr:submode}${p}\t$addr, $wb",
782 // On non-Darwin platforms R9 is callee-saved.
784 Defs = [R0, R1, R2, R3, R12, LR,
785 D0, D1, D2, D3, D4, D5, D6, D7,
786 D16, D17, D18, D19, D20, D21, D22, D23,
787 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR] in {
788 def BL : ABXI<0b1011, (outs), (ins i32imm:$func, variable_ops),
789 IIC_Br, "bl\t${func:call}",
790 [(ARMcall tglobaladdr:$func)]>,
791 Requires<[IsARM, IsNotDarwin]> {
792 let Inst{31-28} = 0b1110;
795 def BL_pred : ABI<0b1011, (outs), (ins i32imm:$func, variable_ops),
796 IIC_Br, "bl", "\t${func:call}",
797 [(ARMcall_pred tglobaladdr:$func)]>,
798 Requires<[IsARM, IsNotDarwin]>;
801 def BLX : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
802 IIC_Br, "blx\t$func",
803 [(ARMcall GPR:$func)]>,
804 Requires<[IsARM, HasV5T, IsNotDarwin]> {
805 let Inst{7-4} = 0b0011;
806 let Inst{19-8} = 0b111111111111;
807 let Inst{27-20} = 0b00010010;
811 def BX : ABXIx2<(outs), (ins GPR:$func, variable_ops),
812 IIC_Br, "mov\tlr, pc\n\tbx\t$func",
813 [(ARMcall_nolink GPR:$func)]>,
814 Requires<[IsARM, IsNotDarwin]> {
815 let Inst{7-4} = 0b0001;
816 let Inst{19-8} = 0b111111111111;
817 let Inst{27-20} = 0b00010010;
821 // On Darwin R9 is call-clobbered.
823 Defs = [R0, R1, R2, R3, R9, R12, LR,
824 D0, D1, D2, D3, D4, D5, D6, D7,
825 D16, D17, D18, D19, D20, D21, D22, D23,
826 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR] in {
827 def BLr9 : ABXI<0b1011, (outs), (ins i32imm:$func, variable_ops),
828 IIC_Br, "bl\t${func:call}",
829 [(ARMcall tglobaladdr:$func)]>, Requires<[IsARM, IsDarwin]> {
830 let Inst{31-28} = 0b1110;
833 def BLr9_pred : ABI<0b1011, (outs), (ins i32imm:$func, variable_ops),
834 IIC_Br, "bl", "\t${func:call}",
835 [(ARMcall_pred tglobaladdr:$func)]>,
836 Requires<[IsARM, IsDarwin]>;
839 def BLXr9 : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
840 IIC_Br, "blx\t$func",
841 [(ARMcall GPR:$func)]>, Requires<[IsARM, HasV5T, IsDarwin]> {
842 let Inst{7-4} = 0b0011;
843 let Inst{19-8} = 0b111111111111;
844 let Inst{27-20} = 0b00010010;
848 def BXr9 : ABXIx2<(outs), (ins GPR:$func, variable_ops),
849 IIC_Br, "mov\tlr, pc\n\tbx\t$func",
850 [(ARMcall_nolink GPR:$func)]>, Requires<[IsARM, IsDarwin]> {
851 let Inst{7-4} = 0b0001;
852 let Inst{19-8} = 0b111111111111;
853 let Inst{27-20} = 0b00010010;
857 let isBranch = 1, isTerminator = 1 in {
858 // B is "predicable" since it can be xformed into a Bcc.
859 let isBarrier = 1 in {
860 let isPredicable = 1 in
861 def B : ABXI<0b1010, (outs), (ins brtarget:$target), IIC_Br,
862 "b\t$target", [(br bb:$target)]>;
864 let isNotDuplicable = 1, isIndirectBranch = 1 in {
865 def BR_JTr : JTI<(outs), (ins GPR:$target, jtblock_operand:$jt, i32imm:$id),
866 IIC_Br, "mov\tpc, $target \n$jt",
867 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]> {
868 let Inst{11-4} = 0b00000000;
869 let Inst{15-12} = 0b1111;
870 let Inst{20} = 0; // S Bit
871 let Inst{24-21} = 0b1101;
872 let Inst{27-25} = 0b000;
874 def BR_JTm : JTI<(outs),
875 (ins addrmode2:$target, jtblock_operand:$jt, i32imm:$id),
876 IIC_Br, "ldr\tpc, $target \n$jt",
877 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
879 let Inst{15-12} = 0b1111;
880 let Inst{20} = 1; // L bit
881 let Inst{21} = 0; // W bit
882 let Inst{22} = 0; // B bit
883 let Inst{24} = 1; // P bit
884 let Inst{27-25} = 0b011;
886 def BR_JTadd : JTI<(outs),
887 (ins GPR:$target, GPR:$idx, jtblock_operand:$jt, i32imm:$id),
888 IIC_Br, "add\tpc, $target, $idx \n$jt",
889 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
891 let Inst{15-12} = 0b1111;
892 let Inst{20} = 0; // S bit
893 let Inst{24-21} = 0b0100;
894 let Inst{27-25} = 0b000;
896 } // isNotDuplicable = 1, isIndirectBranch = 1
899 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
900 // a two-value operand where a dag node expects two operands. :(
901 def Bcc : ABI<0b1010, (outs), (ins brtarget:$target),
902 IIC_Br, "b", "\t$target",
903 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]>;
906 // Supervisor call (software interrupt) -- for disassembly only
908 def SVC : ABI<0b1111, (outs), (ins i32imm:$svc), IIC_Br, "svc", "\t$svc",
909 [/* For disassembly only; pattern left blank */]>;
912 //===----------------------------------------------------------------------===//
913 // Load / store Instructions.
917 let canFoldAsLoad = 1, isReMaterializable = 1, mayHaveSideEffects = 1 in
918 def LDR : AI2ldw<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm, IIC_iLoadr,
919 "ldr", "\t$dst, $addr",
920 [(set GPR:$dst, (load addrmode2:$addr))]>;
922 // Special LDR for loads from non-pc-relative constpools.
923 let canFoldAsLoad = 1, mayLoad = 1, isReMaterializable = 1,
924 mayHaveSideEffects = 1 in
925 def LDRcp : AI2ldw<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm, IIC_iLoadr,
926 "ldr", "\t$dst, $addr", []>;
928 // Loads with zero extension
929 def LDRH : AI3ldh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
930 IIC_iLoadr, "ldrh", "\t$dst, $addr",
931 [(set GPR:$dst, (zextloadi16 addrmode3:$addr))]>;
933 def LDRB : AI2ldb<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm,
934 IIC_iLoadr, "ldrb", "\t$dst, $addr",
935 [(set GPR:$dst, (zextloadi8 addrmode2:$addr))]>;
937 // Loads with sign extension
938 def LDRSH : AI3ldsh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
939 IIC_iLoadr, "ldrsh", "\t$dst, $addr",
940 [(set GPR:$dst, (sextloadi16 addrmode3:$addr))]>;
942 def LDRSB : AI3ldsb<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
943 IIC_iLoadr, "ldrsb", "\t$dst, $addr",
944 [(set GPR:$dst, (sextloadi8 addrmode3:$addr))]>;
946 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in {
948 def LDRD : AI3ldd<(outs GPR:$dst1, GPR:$dst2), (ins addrmode3:$addr), LdMiscFrm,
949 IIC_iLoadr, "ldrd", "\t$dst1, $addr",
950 []>, Requires<[IsARM, HasV5TE]>;
953 def LDR_PRE : AI2ldwpr<(outs GPR:$dst, GPR:$base_wb),
954 (ins addrmode2:$addr), LdFrm, IIC_iLoadru,
955 "ldr", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
957 def LDR_POST : AI2ldwpo<(outs GPR:$dst, GPR:$base_wb),
958 (ins GPR:$base, am2offset:$offset), LdFrm, IIC_iLoadru,
959 "ldr", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
961 def LDRH_PRE : AI3ldhpr<(outs GPR:$dst, GPR:$base_wb),
962 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadru,
963 "ldrh", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
965 def LDRH_POST : AI3ldhpo<(outs GPR:$dst, GPR:$base_wb),
966 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
967 "ldrh", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
969 def LDRB_PRE : AI2ldbpr<(outs GPR:$dst, GPR:$base_wb),
970 (ins addrmode2:$addr), LdFrm, IIC_iLoadru,
971 "ldrb", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
973 def LDRB_POST : AI2ldbpo<(outs GPR:$dst, GPR:$base_wb),
974 (ins GPR:$base,am2offset:$offset), LdFrm, IIC_iLoadru,
975 "ldrb", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
977 def LDRSH_PRE : AI3ldshpr<(outs GPR:$dst, GPR:$base_wb),
978 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadru,
979 "ldrsh", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
981 def LDRSH_POST: AI3ldshpo<(outs GPR:$dst, GPR:$base_wb),
982 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
983 "ldrsh", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
985 def LDRSB_PRE : AI3ldsbpr<(outs GPR:$dst, GPR:$base_wb),
986 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadru,
987 "ldrsb", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
989 def LDRSB_POST: AI3ldsbpo<(outs GPR:$dst, GPR:$base_wb),
990 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
991 "ldrsb", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
994 // LDRT and LDRBT are for disassembly only.
996 def LDRT : AI2ldwpo<(outs GPR:$dst, GPR:$base_wb),
997 (ins GPR:$base, am2offset:$offset), LdFrm, IIC_iLoadru,
998 "ldrt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
999 let Inst{21} = 1; // overwrite
1002 def LDRBT : AI2ldbpo<(outs GPR:$dst, GPR:$base_wb),
1003 (ins GPR:$base,am2offset:$offset), LdFrm, IIC_iLoadru,
1004 "ldrb", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1005 let Inst{21} = 1; // overwrite
1009 def STR : AI2stw<(outs), (ins GPR:$src, addrmode2:$addr), StFrm, IIC_iStorer,
1010 "str", "\t$src, $addr",
1011 [(store GPR:$src, addrmode2:$addr)]>;
1013 // Stores with truncate
1014 def STRH : AI3sth<(outs), (ins GPR:$src, addrmode3:$addr), StMiscFrm, IIC_iStorer,
1015 "strh", "\t$src, $addr",
1016 [(truncstorei16 GPR:$src, addrmode3:$addr)]>;
1018 def STRB : AI2stb<(outs), (ins GPR:$src, addrmode2:$addr), StFrm, IIC_iStorer,
1019 "strb", "\t$src, $addr",
1020 [(truncstorei8 GPR:$src, addrmode2:$addr)]>;
1023 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
1024 def STRD : AI3std<(outs), (ins GPR:$src1, GPR:$src2, addrmode3:$addr),
1025 StMiscFrm, IIC_iStorer,
1026 "strd", "\t$src1, $addr", []>, Requires<[IsARM, HasV5TE]>;
1029 def STR_PRE : AI2stwpr<(outs GPR:$base_wb),
1030 (ins GPR:$src, GPR:$base, am2offset:$offset),
1031 StFrm, IIC_iStoreru,
1032 "str", "\t$src, [$base, $offset]!", "$base = $base_wb",
1034 (pre_store GPR:$src, GPR:$base, am2offset:$offset))]>;
1036 def STR_POST : AI2stwpo<(outs GPR:$base_wb),
1037 (ins GPR:$src, GPR:$base,am2offset:$offset),
1038 StFrm, IIC_iStoreru,
1039 "str", "\t$src, [$base], $offset", "$base = $base_wb",
1041 (post_store GPR:$src, GPR:$base, am2offset:$offset))]>;
1043 def STRH_PRE : AI3sthpr<(outs GPR:$base_wb),
1044 (ins GPR:$src, GPR:$base,am3offset:$offset),
1045 StMiscFrm, IIC_iStoreru,
1046 "strh", "\t$src, [$base, $offset]!", "$base = $base_wb",
1048 (pre_truncsti16 GPR:$src, GPR:$base,am3offset:$offset))]>;
1050 def STRH_POST: AI3sthpo<(outs GPR:$base_wb),
1051 (ins GPR:$src, GPR:$base,am3offset:$offset),
1052 StMiscFrm, IIC_iStoreru,
1053 "strh", "\t$src, [$base], $offset", "$base = $base_wb",
1054 [(set GPR:$base_wb, (post_truncsti16 GPR:$src,
1055 GPR:$base, am3offset:$offset))]>;
1057 def STRB_PRE : AI2stbpr<(outs GPR:$base_wb),
1058 (ins GPR:$src, GPR:$base,am2offset:$offset),
1059 StFrm, IIC_iStoreru,
1060 "strb", "\t$src, [$base, $offset]!", "$base = $base_wb",
1061 [(set GPR:$base_wb, (pre_truncsti8 GPR:$src,
1062 GPR:$base, am2offset:$offset))]>;
1064 def STRB_POST: AI2stbpo<(outs GPR:$base_wb),
1065 (ins GPR:$src, GPR:$base,am2offset:$offset),
1066 StFrm, IIC_iStoreru,
1067 "strb", "\t$src, [$base], $offset", "$base = $base_wb",
1068 [(set GPR:$base_wb, (post_truncsti8 GPR:$src,
1069 GPR:$base, am2offset:$offset))]>;
1071 // STRT and STRBT are for disassembly only.
1073 def STRT : AI2stwpo<(outs GPR:$base_wb),
1074 (ins GPR:$src, GPR:$base,am2offset:$offset),
1075 StFrm, IIC_iStoreru,
1076 "strt", "\t$src, [$base], $offset", "$base = $base_wb",
1077 [/* For disassembly only; pattern left blank */]> {
1078 let Inst{21} = 1; // overwrite
1081 def STRBT : AI2stbpo<(outs GPR:$base_wb),
1082 (ins GPR:$src, GPR:$base,am2offset:$offset),
1083 StFrm, IIC_iStoreru,
1084 "strbt", "\t$src, [$base], $offset", "$base = $base_wb",
1085 [/* For disassembly only; pattern left blank */]> {
1086 let Inst{21} = 1; // overwrite
1089 //===----------------------------------------------------------------------===//
1090 // Load / store multiple Instructions.
1093 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
1094 def LDM : AXI4ld<(outs),
1095 (ins addrmode4:$addr, pred:$p, reglist:$wb, variable_ops),
1096 LdStMulFrm, IIC_iLoadm, "ldm${addr:submode}${p}\t$addr, $wb",
1099 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
1100 def STM : AXI4st<(outs),
1101 (ins addrmode4:$addr, pred:$p, reglist:$wb, variable_ops),
1102 LdStMulFrm, IIC_iStorem, "stm${addr:submode}${p}\t$addr, $wb",
1105 //===----------------------------------------------------------------------===//
1106 // Move Instructions.
1109 let neverHasSideEffects = 1 in
1110 def MOVr : AsI1<0b1101, (outs GPR:$dst), (ins GPR:$src), DPFrm, IIC_iMOVr,
1111 "mov", "\t$dst, $src", []>, UnaryDP {
1112 let Inst{11-4} = 0b00000000;
1116 def MOVs : AsI1<0b1101, (outs GPR:$dst), (ins so_reg:$src),
1117 DPSoRegFrm, IIC_iMOVsr,
1118 "mov", "\t$dst, $src", [(set GPR:$dst, so_reg:$src)]>, UnaryDP {
1122 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
1123 def MOVi : AsI1<0b1101, (outs GPR:$dst), (ins so_imm:$src), DPFrm, IIC_iMOVi,
1124 "mov", "\t$dst, $src", [(set GPR:$dst, so_imm:$src)]>, UnaryDP {
1128 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
1129 def MOVi16 : AI1<0b1000, (outs GPR:$dst), (ins i32imm:$src),
1131 "movw", "\t$dst, $src",
1132 [(set GPR:$dst, imm0_65535:$src)]>,
1133 Requires<[IsARM, HasV6T2]>, UnaryDP {
1138 let Constraints = "$src = $dst" in
1139 def MOVTi16 : AI1<0b1010, (outs GPR:$dst), (ins GPR:$src, i32imm:$imm),
1141 "movt", "\t$dst, $imm",
1143 (or (and GPR:$src, 0xffff),
1144 lo16AllZero:$imm))]>, UnaryDP,
1145 Requires<[IsARM, HasV6T2]> {
1150 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
1151 Requires<[IsARM, HasV6T2]>;
1153 let Uses = [CPSR] in
1154 def MOVrx : AsI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo, IIC_iMOVsi,
1155 "mov", "\t$dst, $src, rrx",
1156 [(set GPR:$dst, (ARMrrx GPR:$src))]>, UnaryDP;
1158 // These aren't really mov instructions, but we have to define them this way
1159 // due to flag operands.
1161 let Defs = [CPSR] in {
1162 def MOVsrl_flag : AI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo,
1163 IIC_iMOVsi, "movs", "\t$dst, $src, lsr #1",
1164 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP;
1165 def MOVsra_flag : AI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo,
1166 IIC_iMOVsi, "movs", "\t$dst, $src, asr #1",
1167 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP;
1170 //===----------------------------------------------------------------------===//
1171 // Extend Instructions.
1176 defm SXTB : AI_unary_rrot<0b01101010,
1177 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
1178 defm SXTH : AI_unary_rrot<0b01101011,
1179 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
1181 defm SXTAB : AI_bin_rrot<0b01101010,
1182 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
1183 defm SXTAH : AI_bin_rrot<0b01101011,
1184 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
1186 // TODO: SXT(A){B|H}16
1190 let AddedComplexity = 16 in {
1191 defm UXTB : AI_unary_rrot<0b01101110,
1192 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
1193 defm UXTH : AI_unary_rrot<0b01101111,
1194 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
1195 defm UXTB16 : AI_unary_rrot<0b01101100,
1196 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
1198 def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
1199 (UXTB16r_rot GPR:$Src, 24)>;
1200 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
1201 (UXTB16r_rot GPR:$Src, 8)>;
1203 defm UXTAB : AI_bin_rrot<0b01101110, "uxtab",
1204 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
1205 defm UXTAH : AI_bin_rrot<0b01101111, "uxtah",
1206 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
1209 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
1210 //defm UXTAB16 : xxx<"uxtab16", 0xff00ff>;
1212 // TODO: UXT(A){B|H}16
1214 def SBFX : I<(outs GPR:$dst),
1215 (ins GPR:$src, imm0_31:$lsb, imm0_31:$width),
1216 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iALUi,
1217 "sbfx", "\t$dst, $src, $lsb, $width", "", []>,
1218 Requires<[IsARM, HasV6T2]> {
1219 let Inst{27-21} = 0b0111101;
1220 let Inst{6-4} = 0b101;
1223 def UBFX : I<(outs GPR:$dst),
1224 (ins GPR:$src, imm0_31:$lsb, imm0_31:$width),
1225 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iALUi,
1226 "ubfx", "\t$dst, $src, $lsb, $width", "", []>,
1227 Requires<[IsARM, HasV6T2]> {
1228 let Inst{27-21} = 0b0111111;
1229 let Inst{6-4} = 0b101;
1232 //===----------------------------------------------------------------------===//
1233 // Arithmetic Instructions.
1236 defm ADD : AsI1_bin_irs<0b0100, "add",
1237 BinOpFrag<(add node:$LHS, node:$RHS)>, 1>;
1238 defm SUB : AsI1_bin_irs<0b0010, "sub",
1239 BinOpFrag<(sub node:$LHS, node:$RHS)>>;
1241 // ADD and SUB with 's' bit set.
1242 defm ADDS : AI1_bin_s_irs<0b0100, "adds",
1243 BinOpFrag<(addc node:$LHS, node:$RHS)>, 1>;
1244 defm SUBS : AI1_bin_s_irs<0b0010, "subs",
1245 BinOpFrag<(subc node:$LHS, node:$RHS)>>;
1247 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
1248 BinOpFrag<(adde node:$LHS, node:$RHS)>, 1>;
1249 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
1250 BinOpFrag<(sube node:$LHS, node:$RHS)>>;
1251 defm ADCS : AI1_adde_sube_s_irs<0b0101, "adcs",
1252 BinOpFrag<(adde node:$LHS, node:$RHS)>, 1>;
1253 defm SBCS : AI1_adde_sube_s_irs<0b0110, "sbcs",
1254 BinOpFrag<(sube node:$LHS, node:$RHS)>>;
1256 // These don't define reg/reg forms, because they are handled above.
1257 def RSBri : AsI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
1258 IIC_iALUi, "rsb", "\t$dst, $a, $b",
1259 [(set GPR:$dst, (sub so_imm:$b, GPR:$a))]> {
1263 def RSBrs : AsI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
1264 IIC_iALUsr, "rsb", "\t$dst, $a, $b",
1265 [(set GPR:$dst, (sub so_reg:$b, GPR:$a))]> {
1269 // RSB with 's' bit set.
1270 let Defs = [CPSR] in {
1271 def RSBSri : AI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
1272 IIC_iALUi, "rsbs", "\t$dst, $a, $b",
1273 [(set GPR:$dst, (subc so_imm:$b, GPR:$a))]> {
1277 def RSBSrs : AI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
1278 IIC_iALUsr, "rsbs", "\t$dst, $a, $b",
1279 [(set GPR:$dst, (subc so_reg:$b, GPR:$a))]> {
1285 let Uses = [CPSR] in {
1286 def RSCri : AsI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
1287 DPFrm, IIC_iALUi, "rsc", "\t$dst, $a, $b",
1288 [(set GPR:$dst, (sube so_imm:$b, GPR:$a))]>,
1289 Requires<[IsARM, CarryDefIsUnused]> {
1292 def RSCrs : AsI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
1293 DPSoRegFrm, IIC_iALUsr, "rsc", "\t$dst, $a, $b",
1294 [(set GPR:$dst, (sube so_reg:$b, GPR:$a))]>,
1295 Requires<[IsARM, CarryDefIsUnused]> {
1300 // FIXME: Allow these to be predicated.
1301 let Defs = [CPSR], Uses = [CPSR] in {
1302 def RSCSri : AXI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
1303 DPFrm, IIC_iALUi, "rscs\t$dst, $a, $b",
1304 [(set GPR:$dst, (sube so_imm:$b, GPR:$a))]>,
1305 Requires<[IsARM, CarryDefIsUnused]> {
1309 def RSCSrs : AXI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
1310 DPSoRegFrm, IIC_iALUsr, "rscs\t$dst, $a, $b",
1311 [(set GPR:$dst, (sube so_reg:$b, GPR:$a))]>,
1312 Requires<[IsARM, CarryDefIsUnused]> {
1318 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
1319 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
1320 (SUBri GPR:$src, so_imm_neg:$imm)>;
1322 //def : ARMPat<(addc GPR:$src, so_imm_neg:$imm),
1323 // (SUBSri GPR:$src, so_imm_neg:$imm)>;
1324 //def : ARMPat<(adde GPR:$src, so_imm_neg:$imm),
1325 // (SBCri GPR:$src, so_imm_neg:$imm)>;
1327 // Note: These are implemented in C++ code, because they have to generate
1328 // ADD/SUBrs instructions, which use a complex pattern that a xform function
1330 // (mul X, 2^n+1) -> (add (X << n), X)
1331 // (mul X, 2^n-1) -> (rsb X, (X << n))
1334 //===----------------------------------------------------------------------===//
1335 // Bitwise Instructions.
1338 defm AND : AsI1_bin_irs<0b0000, "and",
1339 BinOpFrag<(and node:$LHS, node:$RHS)>, 1>;
1340 defm ORR : AsI1_bin_irs<0b1100, "orr",
1341 BinOpFrag<(or node:$LHS, node:$RHS)>, 1>;
1342 defm EOR : AsI1_bin_irs<0b0001, "eor",
1343 BinOpFrag<(xor node:$LHS, node:$RHS)>, 1>;
1344 defm BIC : AsI1_bin_irs<0b1110, "bic",
1345 BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
1347 def BFC : I<(outs GPR:$dst), (ins GPR:$src, bf_inv_mask_imm:$imm),
1348 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
1349 "bfc", "\t$dst, $imm", "$src = $dst",
1350 [(set GPR:$dst, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
1351 Requires<[IsARM, HasV6T2]> {
1352 let Inst{27-21} = 0b0111110;
1353 let Inst{6-0} = 0b0011111;
1356 def MVNr : AsI1<0b1111, (outs GPR:$dst), (ins GPR:$src), DPFrm, IIC_iMOVr,
1357 "mvn", "\t$dst, $src",
1358 [(set GPR:$dst, (not GPR:$src))]>, UnaryDP {
1360 let Inst{11-4} = 0b00000000;
1362 def MVNs : AsI1<0b1111, (outs GPR:$dst), (ins so_reg:$src), DPSoRegFrm,
1363 IIC_iMOVsr, "mvn", "\t$dst, $src",
1364 [(set GPR:$dst, (not so_reg:$src))]>, UnaryDP {
1367 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
1368 def MVNi : AsI1<0b1111, (outs GPR:$dst), (ins so_imm:$imm), DPFrm,
1369 IIC_iMOVi, "mvn", "\t$dst, $imm",
1370 [(set GPR:$dst, so_imm_not:$imm)]>,UnaryDP {
1374 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
1375 (BICri GPR:$src, so_imm_not:$imm)>;
1377 //===----------------------------------------------------------------------===//
1378 // Multiply Instructions.
1381 let isCommutable = 1 in
1382 def MUL : AsMul1I<0b0000000, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1383 IIC_iMUL32, "mul", "\t$dst, $a, $b",
1384 [(set GPR:$dst, (mul GPR:$a, GPR:$b))]>;
1386 def MLA : AsMul1I<0b0000001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1387 IIC_iMAC32, "mla", "\t$dst, $a, $b, $c",
1388 [(set GPR:$dst, (add (mul GPR:$a, GPR:$b), GPR:$c))]>;
1390 def MLS : AMul1I<0b0000011, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1391 IIC_iMAC32, "mls", "\t$dst, $a, $b, $c",
1392 [(set GPR:$dst, (sub GPR:$c, (mul GPR:$a, GPR:$b)))]>,
1393 Requires<[IsARM, HasV6T2]>;
1395 // Extra precision multiplies with low / high results
1396 let neverHasSideEffects = 1 in {
1397 let isCommutable = 1 in {
1398 def SMULL : AsMul1I<0b0000110, (outs GPR:$ldst, GPR:$hdst),
1399 (ins GPR:$a, GPR:$b), IIC_iMUL64,
1400 "smull", "\t$ldst, $hdst, $a, $b", []>;
1402 def UMULL : AsMul1I<0b0000100, (outs GPR:$ldst, GPR:$hdst),
1403 (ins GPR:$a, GPR:$b), IIC_iMUL64,
1404 "umull", "\t$ldst, $hdst, $a, $b", []>;
1407 // Multiply + accumulate
1408 def SMLAL : AsMul1I<0b0000111, (outs GPR:$ldst, GPR:$hdst),
1409 (ins GPR:$a, GPR:$b), IIC_iMAC64,
1410 "smlal", "\t$ldst, $hdst, $a, $b", []>;
1412 def UMLAL : AsMul1I<0b0000101, (outs GPR:$ldst, GPR:$hdst),
1413 (ins GPR:$a, GPR:$b), IIC_iMAC64,
1414 "umlal", "\t$ldst, $hdst, $a, $b", []>;
1416 def UMAAL : AMul1I <0b0000010, (outs GPR:$ldst, GPR:$hdst),
1417 (ins GPR:$a, GPR:$b), IIC_iMAC64,
1418 "umaal", "\t$ldst, $hdst, $a, $b", []>,
1419 Requires<[IsARM, HasV6]>;
1420 } // neverHasSideEffects
1422 // Most significant word multiply
1423 def SMMUL : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1424 IIC_iMUL32, "smmul", "\t$dst, $a, $b",
1425 [(set GPR:$dst, (mulhs GPR:$a, GPR:$b))]>,
1426 Requires<[IsARM, HasV6]> {
1427 let Inst{7-4} = 0b0001;
1428 let Inst{15-12} = 0b1111;
1431 def SMMLA : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1432 IIC_iMAC32, "smmla", "\t$dst, $a, $b, $c",
1433 [(set GPR:$dst, (add (mulhs GPR:$a, GPR:$b), GPR:$c))]>,
1434 Requires<[IsARM, HasV6]> {
1435 let Inst{7-4} = 0b0001;
1439 def SMMLS : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1440 IIC_iMAC32, "smmls", "\t$dst, $a, $b, $c",
1441 [(set GPR:$dst, (sub GPR:$c, (mulhs GPR:$a, GPR:$b)))]>,
1442 Requires<[IsARM, HasV6]> {
1443 let Inst{7-4} = 0b1101;
1446 multiclass AI_smul<string opc, PatFrag opnode> {
1447 def BB : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1448 IIC_iMUL32, !strconcat(opc, "bb"), "\t$dst, $a, $b",
1449 [(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16),
1450 (sext_inreg GPR:$b, i16)))]>,
1451 Requires<[IsARM, HasV5TE]> {
1456 def BT : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1457 IIC_iMUL32, !strconcat(opc, "bt"), "\t$dst, $a, $b",
1458 [(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16),
1459 (sra GPR:$b, (i32 16))))]>,
1460 Requires<[IsARM, HasV5TE]> {
1465 def TB : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1466 IIC_iMUL32, !strconcat(opc, "tb"), "\t$dst, $a, $b",
1467 [(set GPR:$dst, (opnode (sra GPR:$a, (i32 16)),
1468 (sext_inreg GPR:$b, i16)))]>,
1469 Requires<[IsARM, HasV5TE]> {
1474 def TT : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1475 IIC_iMUL32, !strconcat(opc, "tt"), "\t$dst, $a, $b",
1476 [(set GPR:$dst, (opnode (sra GPR:$a, (i32 16)),
1477 (sra GPR:$b, (i32 16))))]>,
1478 Requires<[IsARM, HasV5TE]> {
1483 def WB : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1484 IIC_iMUL16, !strconcat(opc, "wb"), "\t$dst, $a, $b",
1485 [(set GPR:$dst, (sra (opnode GPR:$a,
1486 (sext_inreg GPR:$b, i16)), (i32 16)))]>,
1487 Requires<[IsARM, HasV5TE]> {
1492 def WT : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1493 IIC_iMUL16, !strconcat(opc, "wt"), "\t$dst, $a, $b",
1494 [(set GPR:$dst, (sra (opnode GPR:$a,
1495 (sra GPR:$b, (i32 16))), (i32 16)))]>,
1496 Requires<[IsARM, HasV5TE]> {
1503 multiclass AI_smla<string opc, PatFrag opnode> {
1504 def BB : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1505 IIC_iMAC16, !strconcat(opc, "bb"), "\t$dst, $a, $b, $acc",
1506 [(set GPR:$dst, (add GPR:$acc,
1507 (opnode (sext_inreg GPR:$a, i16),
1508 (sext_inreg GPR:$b, i16))))]>,
1509 Requires<[IsARM, HasV5TE]> {
1514 def BT : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1515 IIC_iMAC16, !strconcat(opc, "bt"), "\t$dst, $a, $b, $acc",
1516 [(set GPR:$dst, (add GPR:$acc, (opnode (sext_inreg GPR:$a, i16),
1517 (sra GPR:$b, (i32 16)))))]>,
1518 Requires<[IsARM, HasV5TE]> {
1523 def TB : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1524 IIC_iMAC16, !strconcat(opc, "tb"), "\t$dst, $a, $b, $acc",
1525 [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, (i32 16)),
1526 (sext_inreg GPR:$b, i16))))]>,
1527 Requires<[IsARM, HasV5TE]> {
1532 def TT : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1533 IIC_iMAC16, !strconcat(opc, "tt"), "\t$dst, $a, $b, $acc",
1534 [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, (i32 16)),
1535 (sra GPR:$b, (i32 16)))))]>,
1536 Requires<[IsARM, HasV5TE]> {
1541 def WB : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1542 IIC_iMAC16, !strconcat(opc, "wb"), "\t$dst, $a, $b, $acc",
1543 [(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a,
1544 (sext_inreg GPR:$b, i16)), (i32 16))))]>,
1545 Requires<[IsARM, HasV5TE]> {
1550 def WT : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1551 IIC_iMAC16, !strconcat(opc, "wt"), "\t$dst, $a, $b, $acc",
1552 [(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a,
1553 (sra GPR:$b, (i32 16))), (i32 16))))]>,
1554 Requires<[IsARM, HasV5TE]> {
1560 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
1561 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
1563 // Halfword multiply accumulate long: SMLAL<x><y> -- for disassembly only
1564 def SMLALBB : AMulxyI<0b0001010,(outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
1565 IIC_iMAC64, "smlalbb", "\t$ldst, $hdst, $a, $b",
1566 [/* For disassembly only; pattern left blank */]>,
1567 Requires<[IsARM, HasV5TE]> {
1572 def SMLALBT : AMulxyI<0b0001010,(outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
1573 IIC_iMAC64, "smlalbt", "\t$ldst, $hdst, $a, $b",
1574 [/* For disassembly only; pattern left blank */]>,
1575 Requires<[IsARM, HasV5TE]> {
1580 def SMLALTB : AMulxyI<0b0001010,(outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
1581 IIC_iMAC64, "smlaltb", "\t$ldst, $hdst, $a, $b",
1582 [/* For disassembly only; pattern left blank */]>,
1583 Requires<[IsARM, HasV5TE]> {
1588 def SMLALTT : AMulxyI<0b0001010,(outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
1589 IIC_iMAC64, "smlaltt", "\t$ldst, $hdst, $a, $b",
1590 [/* For disassembly only; pattern left blank */]>,
1591 Requires<[IsARM, HasV5TE]> {
1596 // TODO: Dual halfword multiple: SMUAD, SMUSD, SMLAD, SMLSD, SMLALD, SMLSLD
1598 //===----------------------------------------------------------------------===//
1599 // Misc. Arithmetic Instructions.
1602 def CLZ : AMiscA1I<0b000010110, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
1603 "clz", "\t$dst, $src",
1604 [(set GPR:$dst, (ctlz GPR:$src))]>, Requires<[IsARM, HasV5T]> {
1605 let Inst{7-4} = 0b0001;
1606 let Inst{11-8} = 0b1111;
1607 let Inst{19-16} = 0b1111;
1610 def RBIT : AMiscA1I<0b01101111, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
1611 "rbit", "\t$dst, $src",
1612 [(set GPR:$dst, (ARMrbit GPR:$src))]>,
1613 Requires<[IsARM, HasV6T2]> {
1614 let Inst{7-4} = 0b0011;
1615 let Inst{11-8} = 0b1111;
1616 let Inst{19-16} = 0b1111;
1619 def REV : AMiscA1I<0b01101011, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
1620 "rev", "\t$dst, $src",
1621 [(set GPR:$dst, (bswap GPR:$src))]>, Requires<[IsARM, HasV6]> {
1622 let Inst{7-4} = 0b0011;
1623 let Inst{11-8} = 0b1111;
1624 let Inst{19-16} = 0b1111;
1627 def REV16 : AMiscA1I<0b01101011, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
1628 "rev16", "\t$dst, $src",
1630 (or (and (srl GPR:$src, (i32 8)), 0xFF),
1631 (or (and (shl GPR:$src, (i32 8)), 0xFF00),
1632 (or (and (srl GPR:$src, (i32 8)), 0xFF0000),
1633 (and (shl GPR:$src, (i32 8)), 0xFF000000)))))]>,
1634 Requires<[IsARM, HasV6]> {
1635 let Inst{7-4} = 0b1011;
1636 let Inst{11-8} = 0b1111;
1637 let Inst{19-16} = 0b1111;
1640 def REVSH : AMiscA1I<0b01101111, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
1641 "revsh", "\t$dst, $src",
1644 (or (srl (and GPR:$src, 0xFF00), (i32 8)),
1645 (shl GPR:$src, (i32 8))), i16))]>,
1646 Requires<[IsARM, HasV6]> {
1647 let Inst{7-4} = 0b1011;
1648 let Inst{11-8} = 0b1111;
1649 let Inst{19-16} = 0b1111;
1652 def PKHBT : AMiscA1I<0b01101000, (outs GPR:$dst),
1653 (ins GPR:$src1, GPR:$src2, i32imm:$shamt),
1654 IIC_iALUsi, "pkhbt", "\t$dst, $src1, $src2, LSL $shamt",
1655 [(set GPR:$dst, (or (and GPR:$src1, 0xFFFF),
1656 (and (shl GPR:$src2, (i32 imm:$shamt)),
1658 Requires<[IsARM, HasV6]> {
1659 let Inst{6-4} = 0b001;
1662 // Alternate cases for PKHBT where identities eliminate some nodes.
1663 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF), (and GPR:$src2, 0xFFFF0000)),
1664 (PKHBT GPR:$src1, GPR:$src2, 0)>;
1665 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF), (shl GPR:$src2, imm16_31:$shamt)),
1666 (PKHBT GPR:$src1, GPR:$src2, imm16_31:$shamt)>;
1669 def PKHTB : AMiscA1I<0b01101000, (outs GPR:$dst),
1670 (ins GPR:$src1, GPR:$src2, i32imm:$shamt),
1671 IIC_iALUsi, "pkhtb", "\t$dst, $src1, $src2, ASR $shamt",
1672 [(set GPR:$dst, (or (and GPR:$src1, 0xFFFF0000),
1673 (and (sra GPR:$src2, imm16_31:$shamt),
1674 0xFFFF)))]>, Requires<[IsARM, HasV6]> {
1675 let Inst{6-4} = 0b101;
1678 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
1679 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
1680 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000), (srl GPR:$src2, (i32 16))),
1681 (PKHTB GPR:$src1, GPR:$src2, 16)>;
1682 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000),
1683 (and (srl GPR:$src2, imm1_15:$shamt), 0xFFFF)),
1684 (PKHTB GPR:$src1, GPR:$src2, imm1_15:$shamt)>;
1686 //===----------------------------------------------------------------------===//
1687 // Comparison Instructions...
1690 defm CMP : AI1_cmp_irs<0b1010, "cmp",
1691 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
1692 //FIXME: Disable CMN, as CCodes are backwards from compare expectations
1693 // Compare-to-zero still works out, just not the relationals
1694 //defm CMN : AI1_cmp_irs<0b1011, "cmn",
1695 // BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
1697 // Note that TST/TEQ don't set all the same flags that CMP does!
1698 defm TST : AI1_cmp_irs<0b1000, "tst",
1699 BinOpFrag<(ARMcmpZ (and node:$LHS, node:$RHS), 0)>, 1>;
1700 defm TEQ : AI1_cmp_irs<0b1001, "teq",
1701 BinOpFrag<(ARMcmpZ (xor node:$LHS, node:$RHS), 0)>, 1>;
1703 defm CMPz : AI1_cmp_irs<0b1010, "cmp",
1704 BinOpFrag<(ARMcmpZ node:$LHS, node:$RHS)>>;
1705 defm CMNz : AI1_cmp_irs<0b1011, "cmn",
1706 BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>>;
1708 //def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
1709 // (CMNri GPR:$src, so_imm_neg:$imm)>;
1711 def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
1712 (CMNzri GPR:$src, so_imm_neg:$imm)>;
1715 // Conditional moves
1716 // FIXME: should be able to write a pattern for ARMcmov, but can't use
1717 // a two-value operand where a dag node expects two operands. :(
1718 def MOVCCr : AI1<0b1101, (outs GPR:$dst), (ins GPR:$false, GPR:$true), DPFrm,
1719 IIC_iCMOVr, "mov", "\t$dst, $true",
1720 [/*(set GPR:$dst, (ARMcmov GPR:$false, GPR:$true, imm:$cc, CCR:$ccr))*/]>,
1721 RegConstraint<"$false = $dst">, UnaryDP {
1722 let Inst{11-4} = 0b00000000;
1726 def MOVCCs : AI1<0b1101, (outs GPR:$dst),
1727 (ins GPR:$false, so_reg:$true), DPSoRegFrm, IIC_iCMOVsr,
1728 "mov", "\t$dst, $true",
1729 [/*(set GPR:$dst, (ARMcmov GPR:$false, so_reg:$true, imm:$cc, CCR:$ccr))*/]>,
1730 RegConstraint<"$false = $dst">, UnaryDP {
1734 def MOVCCi : AI1<0b1101, (outs GPR:$dst),
1735 (ins GPR:$false, so_imm:$true), DPFrm, IIC_iCMOVi,
1736 "mov", "\t$dst, $true",
1737 [/*(set GPR:$dst, (ARMcmov GPR:$false, so_imm:$true, imm:$cc, CCR:$ccr))*/]>,
1738 RegConstraint<"$false = $dst">, UnaryDP {
1742 //===----------------------------------------------------------------------===//
1743 // Atomic operations intrinsics
1746 // memory barriers protect the atomic sequences
1747 let hasSideEffects = 1 in {
1748 def Int_MemBarrierV7 : AInoP<(outs), (ins),
1749 Pseudo, NoItinerary,
1751 [(ARMMemBarrierV7)]>,
1752 Requires<[IsARM, HasV7]> {
1753 let Inst{31-4} = 0xf57ff05;
1754 // FIXME: add support for options other than a full system DMB
1755 let Inst{3-0} = 0b1111;
1758 def Int_SyncBarrierV7 : AInoP<(outs), (ins),
1759 Pseudo, NoItinerary,
1761 [(ARMSyncBarrierV7)]>,
1762 Requires<[IsARM, HasV7]> {
1763 let Inst{31-4} = 0xf57ff04;
1764 // FIXME: add support for options other than a full system DSB
1765 let Inst{3-0} = 0b1111;
1768 def Int_MemBarrierV6 : AInoP<(outs), (ins GPR:$zero),
1769 Pseudo, NoItinerary,
1770 "mcr", "\tp15, 0, $zero, c7, c10, 5",
1771 [(ARMMemBarrierV6 GPR:$zero)]>,
1772 Requires<[IsARM, HasV6]> {
1773 // FIXME: add support for options other than a full system DMB
1774 // FIXME: add encoding
1777 def Int_SyncBarrierV6 : AInoP<(outs), (ins GPR:$zero),
1778 Pseudo, NoItinerary,
1779 "mcr", "\tp15, 0, $zero, c7, c10, 4",
1780 [(ARMSyncBarrierV6 GPR:$zero)]>,
1781 Requires<[IsARM, HasV6]> {
1782 // FIXME: add support for options other than a full system DSB
1783 // FIXME: add encoding
1787 let usesCustomInserter = 1 in {
1788 let Uses = [CPSR] in {
1789 def ATOMIC_LOAD_ADD_I8 : PseudoInst<
1790 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
1791 "${:comment} ATOMIC_LOAD_ADD_I8 PSEUDO!",
1792 [(set GPR:$dst, (atomic_load_add_8 GPR:$ptr, GPR:$incr))]>;
1793 def ATOMIC_LOAD_SUB_I8 : PseudoInst<
1794 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
1795 "${:comment} ATOMIC_LOAD_SUB_I8 PSEUDO!",
1796 [(set GPR:$dst, (atomic_load_sub_8 GPR:$ptr, GPR:$incr))]>;
1797 def ATOMIC_LOAD_AND_I8 : PseudoInst<
1798 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
1799 "${:comment} ATOMIC_LOAD_AND_I8 PSEUDO!",
1800 [(set GPR:$dst, (atomic_load_and_8 GPR:$ptr, GPR:$incr))]>;
1801 def ATOMIC_LOAD_OR_I8 : PseudoInst<
1802 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
1803 "${:comment} ATOMIC_LOAD_OR_I8 PSEUDO!",
1804 [(set GPR:$dst, (atomic_load_or_8 GPR:$ptr, GPR:$incr))]>;
1805 def ATOMIC_LOAD_XOR_I8 : PseudoInst<
1806 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
1807 "${:comment} ATOMIC_LOAD_XOR_I8 PSEUDO!",
1808 [(set GPR:$dst, (atomic_load_xor_8 GPR:$ptr, GPR:$incr))]>;
1809 def ATOMIC_LOAD_NAND_I8 : PseudoInst<
1810 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
1811 "${:comment} ATOMIC_LOAD_NAND_I8 PSEUDO!",
1812 [(set GPR:$dst, (atomic_load_nand_8 GPR:$ptr, GPR:$incr))]>;
1813 def ATOMIC_LOAD_ADD_I16 : PseudoInst<
1814 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
1815 "${:comment} ATOMIC_LOAD_ADD_I16 PSEUDO!",
1816 [(set GPR:$dst, (atomic_load_add_16 GPR:$ptr, GPR:$incr))]>;
1817 def ATOMIC_LOAD_SUB_I16 : PseudoInst<
1818 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
1819 "${:comment} ATOMIC_LOAD_SUB_I16 PSEUDO!",
1820 [(set GPR:$dst, (atomic_load_sub_16 GPR:$ptr, GPR:$incr))]>;
1821 def ATOMIC_LOAD_AND_I16 : PseudoInst<
1822 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
1823 "${:comment} ATOMIC_LOAD_AND_I16 PSEUDO!",
1824 [(set GPR:$dst, (atomic_load_and_16 GPR:$ptr, GPR:$incr))]>;
1825 def ATOMIC_LOAD_OR_I16 : PseudoInst<
1826 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
1827 "${:comment} ATOMIC_LOAD_OR_I16 PSEUDO!",
1828 [(set GPR:$dst, (atomic_load_or_16 GPR:$ptr, GPR:$incr))]>;
1829 def ATOMIC_LOAD_XOR_I16 : PseudoInst<
1830 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
1831 "${:comment} ATOMIC_LOAD_XOR_I16 PSEUDO!",
1832 [(set GPR:$dst, (atomic_load_xor_16 GPR:$ptr, GPR:$incr))]>;
1833 def ATOMIC_LOAD_NAND_I16 : PseudoInst<
1834 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
1835 "${:comment} ATOMIC_LOAD_NAND_I16 PSEUDO!",
1836 [(set GPR:$dst, (atomic_load_nand_16 GPR:$ptr, GPR:$incr))]>;
1837 def ATOMIC_LOAD_ADD_I32 : PseudoInst<
1838 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
1839 "${:comment} ATOMIC_LOAD_ADD_I32 PSEUDO!",
1840 [(set GPR:$dst, (atomic_load_add_32 GPR:$ptr, GPR:$incr))]>;
1841 def ATOMIC_LOAD_SUB_I32 : PseudoInst<
1842 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
1843 "${:comment} ATOMIC_LOAD_SUB_I32 PSEUDO!",
1844 [(set GPR:$dst, (atomic_load_sub_32 GPR:$ptr, GPR:$incr))]>;
1845 def ATOMIC_LOAD_AND_I32 : PseudoInst<
1846 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
1847 "${:comment} ATOMIC_LOAD_AND_I32 PSEUDO!",
1848 [(set GPR:$dst, (atomic_load_and_32 GPR:$ptr, GPR:$incr))]>;
1849 def ATOMIC_LOAD_OR_I32 : PseudoInst<
1850 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
1851 "${:comment} ATOMIC_LOAD_OR_I32 PSEUDO!",
1852 [(set GPR:$dst, (atomic_load_or_32 GPR:$ptr, GPR:$incr))]>;
1853 def ATOMIC_LOAD_XOR_I32 : PseudoInst<
1854 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
1855 "${:comment} ATOMIC_LOAD_XOR_I32 PSEUDO!",
1856 [(set GPR:$dst, (atomic_load_xor_32 GPR:$ptr, GPR:$incr))]>;
1857 def ATOMIC_LOAD_NAND_I32 : PseudoInst<
1858 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
1859 "${:comment} ATOMIC_LOAD_NAND_I32 PSEUDO!",
1860 [(set GPR:$dst, (atomic_load_nand_32 GPR:$ptr, GPR:$incr))]>;
1862 def ATOMIC_SWAP_I8 : PseudoInst<
1863 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
1864 "${:comment} ATOMIC_SWAP_I8 PSEUDO!",
1865 [(set GPR:$dst, (atomic_swap_8 GPR:$ptr, GPR:$new))]>;
1866 def ATOMIC_SWAP_I16 : PseudoInst<
1867 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
1868 "${:comment} ATOMIC_SWAP_I16 PSEUDO!",
1869 [(set GPR:$dst, (atomic_swap_16 GPR:$ptr, GPR:$new))]>;
1870 def ATOMIC_SWAP_I32 : PseudoInst<
1871 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
1872 "${:comment} ATOMIC_SWAP_I32 PSEUDO!",
1873 [(set GPR:$dst, (atomic_swap_32 GPR:$ptr, GPR:$new))]>;
1875 def ATOMIC_CMP_SWAP_I8 : PseudoInst<
1876 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
1877 "${:comment} ATOMIC_CMP_SWAP_I8 PSEUDO!",
1878 [(set GPR:$dst, (atomic_cmp_swap_8 GPR:$ptr, GPR:$old, GPR:$new))]>;
1879 def ATOMIC_CMP_SWAP_I16 : PseudoInst<
1880 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
1881 "${:comment} ATOMIC_CMP_SWAP_I16 PSEUDO!",
1882 [(set GPR:$dst, (atomic_cmp_swap_16 GPR:$ptr, GPR:$old, GPR:$new))]>;
1883 def ATOMIC_CMP_SWAP_I32 : PseudoInst<
1884 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
1885 "${:comment} ATOMIC_CMP_SWAP_I32 PSEUDO!",
1886 [(set GPR:$dst, (atomic_cmp_swap_32 GPR:$ptr, GPR:$old, GPR:$new))]>;
1890 let mayLoad = 1 in {
1891 def LDREXB : AIldrex<0b10, (outs GPR:$dest), (ins GPR:$ptr), NoItinerary,
1892 "ldrexb", "\t$dest, [$ptr]",
1894 def LDREXH : AIldrex<0b11, (outs GPR:$dest), (ins GPR:$ptr), NoItinerary,
1895 "ldrexh", "\t$dest, [$ptr]",
1897 def LDREX : AIldrex<0b00, (outs GPR:$dest), (ins GPR:$ptr), NoItinerary,
1898 "ldrex", "\t$dest, [$ptr]",
1900 def LDREXD : AIldrex<0b01, (outs GPR:$dest, GPR:$dest2), (ins GPR:$ptr),
1902 "ldrexd", "\t$dest, $dest2, [$ptr]",
1906 let mayStore = 1, Constraints = "@earlyclobber $success" in {
1907 def STREXB : AIstrex<0b10, (outs GPR:$success), (ins GPR:$src, GPR:$ptr),
1909 "strexb", "\t$success, $src, [$ptr]",
1911 def STREXH : AIstrex<0b11, (outs GPR:$success), (ins GPR:$src, GPR:$ptr),
1913 "strexh", "\t$success, $src, [$ptr]",
1915 def STREX : AIstrex<0b00, (outs GPR:$success), (ins GPR:$src, GPR:$ptr),
1917 "strex", "\t$success, $src, [$ptr]",
1919 def STREXD : AIstrex<0b01, (outs GPR:$success),
1920 (ins GPR:$src, GPR:$src2, GPR:$ptr),
1922 "strexd", "\t$success, $src, $src2, [$ptr]",
1926 // SWP/SWPB are deprecated in V6/V7 and for disassembly only.
1927 let mayLoad = 1 in {
1928 def SWP : AI<(outs GPR:$dst), (ins GPR:$src, GPR:$ptr), LdStExFrm, NoItinerary,
1929 "swp", "\t$dst, $src, [$ptr]",
1930 [/* For disassembly only; pattern left blank */]> {
1931 let Inst{27-23} = 0b00010;
1932 let Inst{22} = 0; // B = 0
1933 let Inst{21-20} = 0b00;
1934 let Inst{7-4} = 0b1001;
1937 def SWPB : AI<(outs GPR:$dst), (ins GPR:$src, GPR:$ptr), LdStExFrm, NoItinerary,
1938 "swpb", "\t$dst, $src, [$ptr]",
1939 [/* For disassembly only; pattern left blank */]> {
1940 let Inst{27-23} = 0b00010;
1941 let Inst{22} = 1; // B = 1
1942 let Inst{21-20} = 0b00;
1943 let Inst{7-4} = 0b1001;
1947 //===----------------------------------------------------------------------===//
1951 // __aeabi_read_tp preserves the registers r1-r3.
1953 Defs = [R0, R12, LR, CPSR] in {
1954 def TPsoft : ABXI<0b1011, (outs), (ins), IIC_Br,
1955 "bl\t__aeabi_read_tp",
1956 [(set R0, ARMthread_pointer)]>;
1959 //===----------------------------------------------------------------------===//
1960 // SJLJ Exception handling intrinsics
1961 // eh_sjlj_setjmp() is an instruction sequence to store the return
1962 // address and save #0 in R0 for the non-longjmp case.
1963 // Since by its nature we may be coming from some other function to get
1964 // here, and we're using the stack frame for the containing function to
1965 // save/restore registers, we can't keep anything live in regs across
1966 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
1967 // when we get here from a longjmp(). We force everthing out of registers
1968 // except for our own input by listing the relevant registers in Defs. By
1969 // doing so, we also cause the prologue/epilogue code to actively preserve
1970 // all of the callee-saved resgisters, which is exactly what we want.
1971 // A constant value is passed in $val, and we use the location as a scratch.
1973 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, D0,
1974 D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15,
1975 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26, D27, D28, D29, D30,
1977 def Int_eh_sjlj_setjmp : XI<(outs), (ins GPR:$src, GPR:$val),
1978 AddrModeNone, SizeSpecial, IndexModeNone,
1979 Pseudo, NoItinerary,
1980 "str\tsp, [$src, #+8] @ eh_setjmp begin\n\t"
1981 "add\t$val, pc, #8\n\t"
1982 "str\t$val, [$src, #+4]\n\t"
1984 "add\tpc, pc, #0\n\t"
1985 "mov\tr0, #1 @ eh_setjmp end", "",
1986 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>;
1989 //===----------------------------------------------------------------------===//
1990 // Non-Instruction Patterns
1993 // Large immediate handling.
1995 // Two piece so_imms.
1996 let isReMaterializable = 1 in
1997 def MOVi2pieces : AI1x2<(outs GPR:$dst), (ins so_imm2part:$src),
1999 "mov", "\t$dst, $src",
2000 [(set GPR:$dst, so_imm2part:$src)]>,
2001 Requires<[IsARM, NoV6T2]>;
2003 def : ARMPat<(or GPR:$LHS, so_imm2part:$RHS),
2004 (ORRri (ORRri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
2005 (so_imm2part_2 imm:$RHS))>;
2006 def : ARMPat<(xor GPR:$LHS, so_imm2part:$RHS),
2007 (EORri (EORri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
2008 (so_imm2part_2 imm:$RHS))>;
2009 def : ARMPat<(add GPR:$LHS, so_imm2part:$RHS),
2010 (ADDri (ADDri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
2011 (so_imm2part_2 imm:$RHS))>;
2012 def : ARMPat<(add GPR:$LHS, so_neg_imm2part:$RHS),
2013 (SUBri (SUBri GPR:$LHS, (so_neg_imm2part_1 imm:$RHS)),
2014 (so_neg_imm2part_2 imm:$RHS))>;
2016 // 32-bit immediate using movw + movt.
2017 // This is a single pseudo instruction, the benefit is that it can be remat'd
2018 // as a single unit instead of having to handle reg inputs.
2019 // FIXME: Remove this when we can do generalized remat.
2020 let isReMaterializable = 1 in
2021 def MOVi32imm : AI1x2<(outs GPR:$dst), (ins i32imm:$src), Pseudo, IIC_iMOVi,
2022 "movw", "\t$dst, ${src:lo16}\n\tmovt${p}\t$dst, ${src:hi16}",
2023 [(set GPR:$dst, (i32 imm:$src))]>,
2024 Requires<[IsARM, HasV6T2]>;
2026 // ConstantPool, GlobalAddress, and JumpTable
2027 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>,
2028 Requires<[IsARM, DontUseMovt]>;
2029 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
2030 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
2031 Requires<[IsARM, UseMovt]>;
2032 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
2033 (LEApcrelJT tjumptable:$dst, imm:$id)>;
2035 // TODO: add,sub,and, 3-instr forms?
2039 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>,
2040 Requires<[IsARM, IsNotDarwin]>;
2041 def : ARMPat<(ARMcall texternalsym:$func), (BLr9 texternalsym:$func)>,
2042 Requires<[IsARM, IsDarwin]>;
2044 // zextload i1 -> zextload i8
2045 def : ARMPat<(zextloadi1 addrmode2:$addr), (LDRB addrmode2:$addr)>;
2047 // extload -> zextload
2048 def : ARMPat<(extloadi1 addrmode2:$addr), (LDRB addrmode2:$addr)>;
2049 def : ARMPat<(extloadi8 addrmode2:$addr), (LDRB addrmode2:$addr)>;
2050 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
2052 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
2053 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
2056 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
2057 (sra (shl GPR:$b, (i32 16)), (i32 16))),
2058 (SMULBB GPR:$a, GPR:$b)>;
2059 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
2060 (SMULBB GPR:$a, GPR:$b)>;
2061 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
2062 (sra GPR:$b, (i32 16))),
2063 (SMULBT GPR:$a, GPR:$b)>;
2064 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
2065 (SMULBT GPR:$a, GPR:$b)>;
2066 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
2067 (sra (shl GPR:$b, (i32 16)), (i32 16))),
2068 (SMULTB GPR:$a, GPR:$b)>;
2069 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
2070 (SMULTB GPR:$a, GPR:$b)>;
2071 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
2073 (SMULWB GPR:$a, GPR:$b)>;
2074 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
2075 (SMULWB GPR:$a, GPR:$b)>;
2077 def : ARMV5TEPat<(add GPR:$acc,
2078 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
2079 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
2080 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
2081 def : ARMV5TEPat<(add GPR:$acc,
2082 (mul sext_16_node:$a, sext_16_node:$b)),
2083 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
2084 def : ARMV5TEPat<(add GPR:$acc,
2085 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
2086 (sra GPR:$b, (i32 16)))),
2087 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
2088 def : ARMV5TEPat<(add GPR:$acc,
2089 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
2090 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
2091 def : ARMV5TEPat<(add GPR:$acc,
2092 (mul (sra GPR:$a, (i32 16)),
2093 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
2094 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
2095 def : ARMV5TEPat<(add GPR:$acc,
2096 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
2097 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
2098 def : ARMV5TEPat<(add GPR:$acc,
2099 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
2101 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
2102 def : ARMV5TEPat<(add GPR:$acc,
2103 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
2104 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
2106 //===----------------------------------------------------------------------===//
2110 include "ARMInstrThumb.td"
2112 //===----------------------------------------------------------------------===//
2116 include "ARMInstrThumb2.td"
2118 //===----------------------------------------------------------------------===//
2119 // Floating Point Support
2122 include "ARMInstrVFP.td"
2124 //===----------------------------------------------------------------------===//
2125 // Advanced SIMD (NEON) Support
2128 include "ARMInstrNEON.td"
2130 //===----------------------------------------------------------------------===//
2131 // Coprocessor Instructions. For disassembly only.
2134 def CDP : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2135 nohash_imm:$CRd, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2136 NoItinerary, "cdp", "\tp$cop, $opc1, cr$CRd, cr$CRn, cr$CRm, $opc2",
2137 [/* For disassembly only; pattern left blank */]> {
2141 def CDP2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2142 nohash_imm:$CRd, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2143 NoItinerary, "cdp2\tp$cop, $opc1, cr$CRd, cr$CRn, cr$CRm, $opc2",
2144 [/* For disassembly only; pattern left blank */]> {
2145 let Inst{31-28} = 0b1111;
2149 def MCR : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2150 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2151 NoItinerary, "mcr", "\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
2152 [/* For disassembly only; pattern left blank */]> {
2157 def MCR2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2158 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2159 NoItinerary, "mcr2\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
2160 [/* For disassembly only; pattern left blank */]> {
2161 let Inst{31-28} = 0b1111;
2166 def MRC : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2167 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2168 NoItinerary, "mrc", "\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
2169 [/* For disassembly only; pattern left blank */]> {
2174 def MRC2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2175 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2176 NoItinerary, "mrc2\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
2177 [/* For disassembly only; pattern left blank */]> {
2178 let Inst{31-28} = 0b1111;
2183 def MCRR : ABI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
2184 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
2185 NoItinerary, "mcrr", "\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
2186 [/* For disassembly only; pattern left blank */]> {
2187 let Inst{23-20} = 0b0100;
2190 def MCRR2 : ABXI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
2191 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
2192 NoItinerary, "mcrr2\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
2193 [/* For disassembly only; pattern left blank */]> {
2194 let Inst{31-28} = 0b1111;
2195 let Inst{23-20} = 0b0100;
2198 def MRRC : ABI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
2199 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
2200 NoItinerary, "mrrc", "\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
2201 [/* For disassembly only; pattern left blank */]> {
2202 let Inst{23-20} = 0b0101;
2205 def MRRC2 : ABXI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
2206 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
2207 NoItinerary, "mrrc2\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
2208 [/* For disassembly only; pattern left blank */]> {
2209 let Inst{31-28} = 0b1111;
2210 let Inst{23-20} = 0b0101;
2213 //===----------------------------------------------------------------------===//
2214 // Move between special register and ARM core register -- for disassembly only
2217 def MRS : ABI<0b0001,(outs GPR:$dst),(ins), NoItinerary, "mrs", "\t$dst, cpsr",
2218 [/* For disassembly only; pattern left blank */]> {
2219 let Inst{23-20} = 0b0000;
2220 let Inst{7-4} = 0b0000;
2223 def MRSsys : ABI<0b0001,(outs GPR:$dst),(ins), NoItinerary,"mrs","\t$dst, spsr",
2224 [/* For disassembly only; pattern left blank */]> {
2225 let Inst{23-20} = 0b0100;
2226 let Inst{7-4} = 0b0000;
2229 // FIXME: mask is ignored for the time being.
2230 def MSR : ABI<0b0001,(outs),(ins GPR:$src), NoItinerary, "mrs", "\tcpsr, $src",
2231 [/* For disassembly only; pattern left blank */]> {
2232 let Inst{23-20} = 0b0010;
2233 let Inst{7-4} = 0b0000;
2236 // FIXME: mask is ignored for the time being.
2237 def MSRsys : ABI<0b0001,(outs),(ins GPR:$src),NoItinerary,"mrs","\tspsr, $src",
2238 [/* For disassembly only; pattern left blank */]> {
2239 let Inst{23-20} = 0b0110;
2240 let Inst{7-4} = 0b0000;