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> ]>;
21 def SDT_ARMStructByVal : SDTypeProfile<0, 4,
22 [SDTCisVT<0, i32>, SDTCisVT<1, i32>,
23 SDTCisVT<2, i32>, SDTCisVT<3, i32>]>;
25 def SDT_ARMSaveCallPC : SDTypeProfile<0, 1, []>;
27 def SDT_ARMcall : SDTypeProfile<0, -1, [SDTCisPtrTy<0>]>;
29 def SDT_ARMCMov : SDTypeProfile<1, 3,
30 [SDTCisSameAs<0, 1>, SDTCisSameAs<0, 2>,
33 def SDT_ARMBrcond : SDTypeProfile<0, 2,
34 [SDTCisVT<0, OtherVT>, SDTCisVT<1, i32>]>;
36 def SDT_ARMBrJT : SDTypeProfile<0, 3,
37 [SDTCisPtrTy<0>, SDTCisVT<1, i32>,
40 def SDT_ARMBr2JT : SDTypeProfile<0, 4,
41 [SDTCisPtrTy<0>, SDTCisVT<1, i32>,
42 SDTCisVT<2, i32>, SDTCisVT<3, i32>]>;
44 def SDT_ARMBCC_i64 : SDTypeProfile<0, 6,
46 SDTCisVT<1, i32>, SDTCisVT<2, i32>,
47 SDTCisVT<3, i32>, SDTCisVT<4, i32>,
48 SDTCisVT<5, OtherVT>]>;
50 def SDT_ARMAnd : SDTypeProfile<1, 2,
51 [SDTCisVT<0, i32>, SDTCisVT<1, i32>,
54 def SDT_ARMCmp : SDTypeProfile<0, 2, [SDTCisSameAs<0, 1>]>;
56 def SDT_ARMPICAdd : SDTypeProfile<1, 2, [SDTCisSameAs<0, 1>,
57 SDTCisPtrTy<1>, SDTCisVT<2, i32>]>;
59 def SDT_ARMThreadPointer : SDTypeProfile<1, 0, [SDTCisPtrTy<0>]>;
60 def SDT_ARMEH_SJLJ_Setjmp : SDTypeProfile<1, 2, [SDTCisInt<0>, SDTCisPtrTy<1>,
62 def SDT_ARMEH_SJLJ_Longjmp: SDTypeProfile<0, 2, [SDTCisPtrTy<0>, SDTCisInt<1>]>;
64 def SDT_ARMMEMBARRIER : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
66 def SDT_ARMPREFETCH : SDTypeProfile<0, 3, [SDTCisPtrTy<0>, SDTCisSameAs<1, 2>,
69 def SDT_ARMTCRET : SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>;
71 def SDT_ARMBFI : SDTypeProfile<1, 3, [SDTCisVT<0, i32>, SDTCisVT<1, i32>,
72 SDTCisVT<2, i32>, SDTCisVT<3, i32>]>;
74 def SDTBinaryArithWithFlags : SDTypeProfile<2, 2,
77 SDTCisInt<0>, SDTCisVT<1, i32>]>;
79 // SDTBinaryArithWithFlagsInOut - RES1, CPSR = op LHS, RHS, CPSR
80 def SDTBinaryArithWithFlagsInOut : SDTypeProfile<2, 3,
87 def SDT_ARM64bitmlal : SDTypeProfile<2,4, [ SDTCisVT<0, i32>, SDTCisVT<1, i32>,
88 SDTCisVT<2, i32>, SDTCisVT<3, i32>,
89 SDTCisVT<4, i32>, SDTCisVT<5, i32> ] >;
90 def ARMUmlal : SDNode<"ARMISD::UMLAL", SDT_ARM64bitmlal>;
91 def ARMSmlal : SDNode<"ARMISD::SMLAL", SDT_ARM64bitmlal>;
94 def ARMWrapper : SDNode<"ARMISD::Wrapper", SDTIntUnaryOp>;
95 def ARMWrapperDYN : SDNode<"ARMISD::WrapperDYN", SDTIntUnaryOp>;
96 def ARMWrapperPIC : SDNode<"ARMISD::WrapperPIC", SDTIntUnaryOp>;
97 def ARMWrapperJT : SDNode<"ARMISD::WrapperJT", SDTIntBinOp>;
99 def ARMcallseq_start : SDNode<"ISD::CALLSEQ_START", SDT_ARMCallSeqStart,
100 [SDNPHasChain, SDNPSideEffect, SDNPOutGlue]>;
101 def ARMcallseq_end : SDNode<"ISD::CALLSEQ_END", SDT_ARMCallSeqEnd,
102 [SDNPHasChain, SDNPSideEffect,
103 SDNPOptInGlue, SDNPOutGlue]>;
104 def ARMcopystructbyval : SDNode<"ARMISD::COPY_STRUCT_BYVAL" ,
106 [SDNPHasChain, SDNPInGlue, SDNPOutGlue,
107 SDNPMayStore, SDNPMayLoad]>;
109 def ARMcall : SDNode<"ARMISD::CALL", SDT_ARMcall,
110 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
112 def ARMcall_pred : SDNode<"ARMISD::CALL_PRED", SDT_ARMcall,
113 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
115 def ARMcall_nolink : SDNode<"ARMISD::CALL_NOLINK", SDT_ARMcall,
116 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
119 def ARMretflag : SDNode<"ARMISD::RET_FLAG", SDTNone,
120 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
122 def ARMcmov : SDNode<"ARMISD::CMOV", SDT_ARMCMov,
125 def ARMbrcond : SDNode<"ARMISD::BRCOND", SDT_ARMBrcond,
126 [SDNPHasChain, SDNPInGlue, SDNPOutGlue]>;
128 def ARMbrjt : SDNode<"ARMISD::BR_JT", SDT_ARMBrJT,
130 def ARMbr2jt : SDNode<"ARMISD::BR2_JT", SDT_ARMBr2JT,
133 def ARMBcci64 : SDNode<"ARMISD::BCC_i64", SDT_ARMBCC_i64,
136 def ARMcmp : SDNode<"ARMISD::CMP", SDT_ARMCmp,
139 def ARMcmn : SDNode<"ARMISD::CMN", SDT_ARMCmp,
142 def ARMcmpZ : SDNode<"ARMISD::CMPZ", SDT_ARMCmp,
143 [SDNPOutGlue, SDNPCommutative]>;
145 def ARMpic_add : SDNode<"ARMISD::PIC_ADD", SDT_ARMPICAdd>;
147 def ARMsrl_flag : SDNode<"ARMISD::SRL_FLAG", SDTIntUnaryOp, [SDNPOutGlue]>;
148 def ARMsra_flag : SDNode<"ARMISD::SRA_FLAG", SDTIntUnaryOp, [SDNPOutGlue]>;
149 def ARMrrx : SDNode<"ARMISD::RRX" , SDTIntUnaryOp, [SDNPInGlue ]>;
151 def ARMaddc : SDNode<"ARMISD::ADDC", SDTBinaryArithWithFlags,
153 def ARMsubc : SDNode<"ARMISD::SUBC", SDTBinaryArithWithFlags>;
154 def ARMadde : SDNode<"ARMISD::ADDE", SDTBinaryArithWithFlagsInOut>;
155 def ARMsube : SDNode<"ARMISD::SUBE", SDTBinaryArithWithFlagsInOut>;
157 def ARMthread_pointer: SDNode<"ARMISD::THREAD_POINTER", SDT_ARMThreadPointer>;
158 def ARMeh_sjlj_setjmp: SDNode<"ARMISD::EH_SJLJ_SETJMP",
159 SDT_ARMEH_SJLJ_Setjmp,
160 [SDNPHasChain, SDNPSideEffect]>;
161 def ARMeh_sjlj_longjmp: SDNode<"ARMISD::EH_SJLJ_LONGJMP",
162 SDT_ARMEH_SJLJ_Longjmp,
163 [SDNPHasChain, SDNPSideEffect]>;
165 def ARMMemBarrier : SDNode<"ARMISD::MEMBARRIER", SDT_ARMMEMBARRIER,
166 [SDNPHasChain, SDNPSideEffect]>;
167 def ARMMemBarrierMCR : SDNode<"ARMISD::MEMBARRIER_MCR", SDT_ARMMEMBARRIER,
168 [SDNPHasChain, SDNPSideEffect]>;
169 def ARMPreload : SDNode<"ARMISD::PRELOAD", SDT_ARMPREFETCH,
170 [SDNPHasChain, SDNPMayLoad, SDNPMayStore]>;
172 def ARMrbit : SDNode<"ARMISD::RBIT", SDTIntUnaryOp>;
174 def ARMtcret : SDNode<"ARMISD::TC_RETURN", SDT_ARMTCRET,
175 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
178 def ARMbfi : SDNode<"ARMISD::BFI", SDT_ARMBFI>;
180 //===----------------------------------------------------------------------===//
181 // ARM Instruction Predicate Definitions.
183 def HasV4T : Predicate<"Subtarget->hasV4TOps()">,
184 AssemblerPredicate<"HasV4TOps", "armv4t">;
185 def NoV4T : Predicate<"!Subtarget->hasV4TOps()">;
186 def HasV5T : Predicate<"Subtarget->hasV5TOps()">;
187 def HasV5TE : Predicate<"Subtarget->hasV5TEOps()">,
188 AssemblerPredicate<"HasV5TEOps", "armv5te">;
189 def HasV6 : Predicate<"Subtarget->hasV6Ops()">,
190 AssemblerPredicate<"HasV6Ops", "armv6">;
191 def NoV6 : Predicate<"!Subtarget->hasV6Ops()">;
192 def HasV6T2 : Predicate<"Subtarget->hasV6T2Ops()">,
193 AssemblerPredicate<"HasV6T2Ops", "armv6t2">;
194 def NoV6T2 : Predicate<"!Subtarget->hasV6T2Ops()">;
195 def HasV7 : Predicate<"Subtarget->hasV7Ops()">,
196 AssemblerPredicate<"HasV7Ops", "armv7">;
197 def HasV8 : Predicate<"Subtarget->hasV8Ops()">,
198 AssemblerPredicate<"HasV8Ops", "armv8">;
199 def NoVFP : Predicate<"!Subtarget->hasVFP2()">;
200 def HasVFP2 : Predicate<"Subtarget->hasVFP2()">,
201 AssemblerPredicate<"FeatureVFP2", "VFP2">;
202 def HasVFP3 : Predicate<"Subtarget->hasVFP3()">,
203 AssemblerPredicate<"FeatureVFP3", "VFP3">;
204 def HasVFP4 : Predicate<"Subtarget->hasVFP4()">,
205 AssemblerPredicate<"FeatureVFP4", "VFP4">;
206 def HasV8FP : Predicate<"Subtarget->hasV8FP()">,
207 AssemblerPredicate<"FeatureV8FP", "V8FP">;
208 def HasNEON : Predicate<"Subtarget->hasNEON()">,
209 AssemblerPredicate<"FeatureNEON", "NEON">;
210 def HasFP16 : Predicate<"Subtarget->hasFP16()">,
211 AssemblerPredicate<"FeatureFP16","half-float">;
212 def HasDivide : Predicate<"Subtarget->hasDivide()">,
213 AssemblerPredicate<"FeatureHWDiv", "divide">;
214 def HasDivideInARM : Predicate<"Subtarget->hasDivideInARMMode()">,
215 AssemblerPredicate<"FeatureHWDivARM">;
216 def HasT2ExtractPack : Predicate<"Subtarget->hasT2ExtractPack()">,
217 AssemblerPredicate<"FeatureT2XtPk",
219 def HasThumb2DSP : Predicate<"Subtarget->hasThumb2DSP()">,
220 AssemblerPredicate<"FeatureDSPThumb2",
222 def HasDB : Predicate<"Subtarget->hasDataBarrier()">,
223 AssemblerPredicate<"FeatureDB",
225 def HasMP : Predicate<"Subtarget->hasMPExtension()">,
226 AssemblerPredicate<"FeatureMP",
228 def HasTrustZone : Predicate<"Subtarget->hasTrustZone()">,
229 AssemblerPredicate<"FeatureTrustZone",
231 def UseNEONForFP : Predicate<"Subtarget->useNEONForSinglePrecisionFP()">;
232 def DontUseNEONForFP : Predicate<"!Subtarget->useNEONForSinglePrecisionFP()">;
233 def IsThumb : Predicate<"Subtarget->isThumb()">,
234 AssemblerPredicate<"ModeThumb", "thumb">;
235 def IsThumb1Only : Predicate<"Subtarget->isThumb1Only()">;
236 def IsThumb2 : Predicate<"Subtarget->isThumb2()">,
237 AssemblerPredicate<"ModeThumb,FeatureThumb2",
239 def IsMClass : Predicate<"Subtarget->isMClass()">,
240 AssemblerPredicate<"FeatureMClass", "armv7m">;
241 def IsARClass : Predicate<"!Subtarget->isMClass()">,
242 AssemblerPredicate<"!FeatureMClass",
244 def IsARM : Predicate<"!Subtarget->isThumb()">,
245 AssemblerPredicate<"!ModeThumb", "arm-mode">;
246 def IsIOS : Predicate<"Subtarget->isTargetIOS()">;
247 def IsNotIOS : Predicate<"!Subtarget->isTargetIOS()">;
248 def IsNaCl : Predicate<"Subtarget->isTargetNaCl()">;
249 def UseNaClTrap : Predicate<"Subtarget->useNaClTrap()">,
250 AssemblerPredicate<"FeatureNaClTrap", "NaCl">;
251 def DontUseNaClTrap : Predicate<"!Subtarget->useNaClTrap()">;
253 // FIXME: Eventually this will be just "hasV6T2Ops".
254 def UseMovt : Predicate<"Subtarget->useMovt()">;
255 def DontUseMovt : Predicate<"!Subtarget->useMovt()">;
256 def UseFPVMLx : Predicate<"Subtarget->useFPVMLx()">;
257 def UseMulOps : Predicate<"Subtarget->useMulOps()">;
259 // Prefer fused MAC for fp mul + add over fp VMLA / VMLS if they are available.
260 // But only select them if more precision in FP computation is allowed.
261 // Do not use them for Darwin platforms.
262 def UseFusedMAC : Predicate<"(TM.Options.AllowFPOpFusion =="
263 " FPOpFusion::Fast) && "
264 "!Subtarget->isTargetDarwin()">;
265 def DontUseFusedMAC : Predicate<"!(TM.Options.AllowFPOpFusion =="
266 " FPOpFusion::Fast &&"
267 " Subtarget->hasVFP4()) || "
268 "Subtarget->isTargetDarwin()">;
270 // VGETLNi32 is microcoded on Swift - prefer VMOV.
271 def HasFastVGETLNi32 : Predicate<"!Subtarget->isSwift()">;
272 def HasSlowVGETLNi32 : Predicate<"Subtarget->isSwift()">;
274 // VDUP.32 is microcoded on Swift - prefer VMOV.
275 def HasFastVDUP32 : Predicate<"!Subtarget->isSwift()">;
276 def HasSlowVDUP32 : Predicate<"Subtarget->isSwift()">;
278 // Cortex-A9 prefers VMOVSR to VMOVDRR even when using NEON for scalar FP, as
279 // this allows more effective execution domain optimization. See
280 // setExecutionDomain().
281 def UseVMOVSR : Predicate<"Subtarget->isCortexA9() || !Subtarget->useNEONForSinglePrecisionFP()">;
282 def DontUseVMOVSR : Predicate<"!Subtarget->isCortexA9() && Subtarget->useNEONForSinglePrecisionFP()">;
284 def IsLE : Predicate<"getTargetLowering()->isLittleEndian()">;
285 def IsBE : Predicate<"getTargetLowering()->isBigEndian()">;
287 //===----------------------------------------------------------------------===//
288 // ARM Flag Definitions.
290 class RegConstraint<string C> {
291 string Constraints = C;
294 //===----------------------------------------------------------------------===//
295 // ARM specific transformation functions and pattern fragments.
298 // imm_neg_XFORM - Return the negation of an i32 immediate value.
299 def imm_neg_XFORM : SDNodeXForm<imm, [{
300 return CurDAG->getTargetConstant(-(int)N->getZExtValue(), MVT::i32);
303 // imm_not_XFORM - Return the complement of a i32 immediate value.
304 def imm_not_XFORM : SDNodeXForm<imm, [{
305 return CurDAG->getTargetConstant(~(int)N->getZExtValue(), MVT::i32);
308 /// imm16_31 predicate - True if the 32-bit immediate is in the range [16,31].
309 def imm16_31 : ImmLeaf<i32, [{
310 return (int32_t)Imm >= 16 && (int32_t)Imm < 32;
313 def so_imm_neg_asmoperand : AsmOperandClass { let Name = "ARMSOImmNeg"; }
314 def so_imm_neg : Operand<i32>, PatLeaf<(imm), [{
315 unsigned Value = -(unsigned)N->getZExtValue();
316 return Value && ARM_AM::getSOImmVal(Value) != -1;
318 let ParserMatchClass = so_imm_neg_asmoperand;
321 // Note: this pattern doesn't require an encoder method and such, as it's
322 // only used on aliases (Pat<> and InstAlias<>). The actual encoding
323 // is handled by the destination instructions, which use so_imm.
324 def so_imm_not_asmoperand : AsmOperandClass { let Name = "ARMSOImmNot"; }
325 def so_imm_not : Operand<i32>, PatLeaf<(imm), [{
326 return ARM_AM::getSOImmVal(~(uint32_t)N->getZExtValue()) != -1;
328 let ParserMatchClass = so_imm_not_asmoperand;
331 // sext_16_node predicate - True if the SDNode is sign-extended 16 or more bits.
332 def sext_16_node : PatLeaf<(i32 GPR:$a), [{
333 return CurDAG->ComputeNumSignBits(SDValue(N,0)) >= 17;
336 /// Split a 32-bit immediate into two 16 bit parts.
337 def hi16 : SDNodeXForm<imm, [{
338 return CurDAG->getTargetConstant((uint32_t)N->getZExtValue() >> 16, MVT::i32);
341 def lo16AllZero : PatLeaf<(i32 imm), [{
342 // Returns true if all low 16-bits are 0.
343 return (((uint32_t)N->getZExtValue()) & 0xFFFFUL) == 0;
346 class BinOpWithFlagFrag<dag res> :
347 PatFrag<(ops node:$LHS, node:$RHS, node:$FLAG), res>;
348 class BinOpFrag<dag res> : PatFrag<(ops node:$LHS, node:$RHS), res>;
349 class UnOpFrag <dag res> : PatFrag<(ops node:$Src), res>;
351 // An 'and' node with a single use.
352 def and_su : PatFrag<(ops node:$lhs, node:$rhs), (and node:$lhs, node:$rhs), [{
353 return N->hasOneUse();
356 // An 'xor' node with a single use.
357 def xor_su : PatFrag<(ops node:$lhs, node:$rhs), (xor node:$lhs, node:$rhs), [{
358 return N->hasOneUse();
361 // An 'fmul' node with a single use.
362 def fmul_su : PatFrag<(ops node:$lhs, node:$rhs), (fmul node:$lhs, node:$rhs),[{
363 return N->hasOneUse();
366 // An 'fadd' node which checks for single non-hazardous use.
367 def fadd_mlx : PatFrag<(ops node:$lhs, node:$rhs),(fadd node:$lhs, node:$rhs),[{
368 return hasNoVMLxHazardUse(N);
371 // An 'fsub' node which checks for single non-hazardous use.
372 def fsub_mlx : PatFrag<(ops node:$lhs, node:$rhs),(fsub node:$lhs, node:$rhs),[{
373 return hasNoVMLxHazardUse(N);
376 //===----------------------------------------------------------------------===//
377 // Operand Definitions.
380 // Immediate operands with a shared generic asm render method.
381 class ImmAsmOperand : AsmOperandClass { let RenderMethod = "addImmOperands"; }
384 // FIXME: rename brtarget to t2_brtarget
385 def brtarget : Operand<OtherVT> {
386 let EncoderMethod = "getBranchTargetOpValue";
387 let OperandType = "OPERAND_PCREL";
388 let DecoderMethod = "DecodeT2BROperand";
391 // FIXME: get rid of this one?
392 def uncondbrtarget : Operand<OtherVT> {
393 let EncoderMethod = "getUnconditionalBranchTargetOpValue";
394 let OperandType = "OPERAND_PCREL";
397 // Branch target for ARM. Handles conditional/unconditional
398 def br_target : Operand<OtherVT> {
399 let EncoderMethod = "getARMBranchTargetOpValue";
400 let OperandType = "OPERAND_PCREL";
404 // FIXME: rename bltarget to t2_bl_target?
405 def bltarget : Operand<i32> {
406 // Encoded the same as branch targets.
407 let EncoderMethod = "getBranchTargetOpValue";
408 let OperandType = "OPERAND_PCREL";
411 // Call target for ARM. Handles conditional/unconditional
412 // FIXME: rename bl_target to t2_bltarget?
413 def bl_target : Operand<i32> {
414 let EncoderMethod = "getARMBLTargetOpValue";
415 let OperandType = "OPERAND_PCREL";
418 def blx_target : Operand<i32> {
419 let EncoderMethod = "getARMBLXTargetOpValue";
420 let OperandType = "OPERAND_PCREL";
423 // A list of registers separated by comma. Used by load/store multiple.
424 def RegListAsmOperand : AsmOperandClass { let Name = "RegList"; }
425 def reglist : Operand<i32> {
426 let EncoderMethod = "getRegisterListOpValue";
427 let ParserMatchClass = RegListAsmOperand;
428 let PrintMethod = "printRegisterList";
429 let DecoderMethod = "DecodeRegListOperand";
432 def GPRPairOp : RegisterOperand<GPRPair, "printGPRPairOperand">;
434 def DPRRegListAsmOperand : AsmOperandClass { let Name = "DPRRegList"; }
435 def dpr_reglist : Operand<i32> {
436 let EncoderMethod = "getRegisterListOpValue";
437 let ParserMatchClass = DPRRegListAsmOperand;
438 let PrintMethod = "printRegisterList";
439 let DecoderMethod = "DecodeDPRRegListOperand";
442 def SPRRegListAsmOperand : AsmOperandClass { let Name = "SPRRegList"; }
443 def spr_reglist : Operand<i32> {
444 let EncoderMethod = "getRegisterListOpValue";
445 let ParserMatchClass = SPRRegListAsmOperand;
446 let PrintMethod = "printRegisterList";
447 let DecoderMethod = "DecodeSPRRegListOperand";
450 // An operand for the CONSTPOOL_ENTRY pseudo-instruction.
451 def cpinst_operand : Operand<i32> {
452 let PrintMethod = "printCPInstOperand";
456 def pclabel : Operand<i32> {
457 let PrintMethod = "printPCLabel";
460 // ADR instruction labels.
461 def AdrLabelAsmOperand : AsmOperandClass { let Name = "AdrLabel"; }
462 def adrlabel : Operand<i32> {
463 let EncoderMethod = "getAdrLabelOpValue";
464 let ParserMatchClass = AdrLabelAsmOperand;
465 let PrintMethod = "printAdrLabelOperand<0>";
468 def neon_vcvt_imm32 : Operand<i32> {
469 let EncoderMethod = "getNEONVcvtImm32OpValue";
470 let DecoderMethod = "DecodeVCVTImmOperand";
473 // rot_imm: An integer that encodes a rotate amount. Must be 8, 16, or 24.
474 def rot_imm_XFORM: SDNodeXForm<imm, [{
475 switch (N->getZExtValue()){
477 case 0: return CurDAG->getTargetConstant(0, MVT::i32);
478 case 8: return CurDAG->getTargetConstant(1, MVT::i32);
479 case 16: return CurDAG->getTargetConstant(2, MVT::i32);
480 case 24: return CurDAG->getTargetConstant(3, MVT::i32);
483 def RotImmAsmOperand : AsmOperandClass {
485 let ParserMethod = "parseRotImm";
487 def rot_imm : Operand<i32>, PatLeaf<(i32 imm), [{
488 int32_t v = N->getZExtValue();
489 return v == 8 || v == 16 || v == 24; }],
491 let PrintMethod = "printRotImmOperand";
492 let ParserMatchClass = RotImmAsmOperand;
495 // shift_imm: An integer that encodes a shift amount and the type of shift
496 // (asr or lsl). The 6-bit immediate encodes as:
499 // {4-0} imm5 shift amount.
500 // asr #32 encoded as imm5 == 0.
501 def ShifterImmAsmOperand : AsmOperandClass {
502 let Name = "ShifterImm";
503 let ParserMethod = "parseShifterImm";
505 def shift_imm : Operand<i32> {
506 let PrintMethod = "printShiftImmOperand";
507 let ParserMatchClass = ShifterImmAsmOperand;
510 // shifter_operand operands: so_reg_reg, so_reg_imm, and so_imm.
511 def ShiftedRegAsmOperand : AsmOperandClass { let Name = "RegShiftedReg"; }
512 def so_reg_reg : Operand<i32>, // reg reg imm
513 ComplexPattern<i32, 3, "SelectRegShifterOperand",
514 [shl, srl, sra, rotr]> {
515 let EncoderMethod = "getSORegRegOpValue";
516 let PrintMethod = "printSORegRegOperand";
517 let DecoderMethod = "DecodeSORegRegOperand";
518 let ParserMatchClass = ShiftedRegAsmOperand;
519 let MIOperandInfo = (ops GPRnopc, GPRnopc, i32imm);
522 def ShiftedImmAsmOperand : AsmOperandClass { let Name = "RegShiftedImm"; }
523 def so_reg_imm : Operand<i32>, // reg imm
524 ComplexPattern<i32, 2, "SelectImmShifterOperand",
525 [shl, srl, sra, rotr]> {
526 let EncoderMethod = "getSORegImmOpValue";
527 let PrintMethod = "printSORegImmOperand";
528 let DecoderMethod = "DecodeSORegImmOperand";
529 let ParserMatchClass = ShiftedImmAsmOperand;
530 let MIOperandInfo = (ops GPR, i32imm);
533 // FIXME: Does this need to be distinct from so_reg?
534 def shift_so_reg_reg : Operand<i32>, // reg reg imm
535 ComplexPattern<i32, 3, "SelectShiftRegShifterOperand",
536 [shl,srl,sra,rotr]> {
537 let EncoderMethod = "getSORegRegOpValue";
538 let PrintMethod = "printSORegRegOperand";
539 let DecoderMethod = "DecodeSORegRegOperand";
540 let ParserMatchClass = ShiftedRegAsmOperand;
541 let MIOperandInfo = (ops GPR, GPR, i32imm);
544 // FIXME: Does this need to be distinct from so_reg?
545 def shift_so_reg_imm : Operand<i32>, // reg reg imm
546 ComplexPattern<i32, 2, "SelectShiftImmShifterOperand",
547 [shl,srl,sra,rotr]> {
548 let EncoderMethod = "getSORegImmOpValue";
549 let PrintMethod = "printSORegImmOperand";
550 let DecoderMethod = "DecodeSORegImmOperand";
551 let ParserMatchClass = ShiftedImmAsmOperand;
552 let MIOperandInfo = (ops GPR, i32imm);
556 // so_imm - Match a 32-bit shifter_operand immediate operand, which is an
557 // 8-bit immediate rotated by an arbitrary number of bits.
558 def SOImmAsmOperand: ImmAsmOperand { let Name = "ARMSOImm"; }
559 def so_imm : Operand<i32>, ImmLeaf<i32, [{
560 return ARM_AM::getSOImmVal(Imm) != -1;
562 let EncoderMethod = "getSOImmOpValue";
563 let ParserMatchClass = SOImmAsmOperand;
564 let DecoderMethod = "DecodeSOImmOperand";
567 // Break so_imm's up into two pieces. This handles immediates with up to 16
568 // bits set in them. This uses so_imm2part to match and so_imm2part_[12] to
569 // get the first/second pieces.
570 def so_imm2part : PatLeaf<(imm), [{
571 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
574 /// arm_i32imm - True for +V6T2, or true only if so_imm2part is true.
576 def arm_i32imm : PatLeaf<(imm), [{
577 if (Subtarget->hasV6T2Ops())
579 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
582 /// imm0_1 predicate - Immediate in the range [0,1].
583 def Imm0_1AsmOperand: ImmAsmOperand { let Name = "Imm0_1"; }
584 def imm0_1 : Operand<i32> { let ParserMatchClass = Imm0_1AsmOperand; }
586 /// imm0_3 predicate - Immediate in the range [0,3].
587 def Imm0_3AsmOperand: ImmAsmOperand { let Name = "Imm0_3"; }
588 def imm0_3 : Operand<i32> { let ParserMatchClass = Imm0_3AsmOperand; }
590 /// imm0_4 predicate - Immediate in the range [0,4].
591 def Imm0_4AsmOperand : ImmAsmOperand
594 let DiagnosticType = "ImmRange0_4";
596 def imm0_4 : Operand<i32>, ImmLeaf<i32, [{ return Imm >= 0 && Imm < 5; }]> {
597 let ParserMatchClass = Imm0_4AsmOperand;
598 let DecoderMethod = "DecodeImm0_4";
601 /// imm0_7 predicate - Immediate in the range [0,7].
602 def Imm0_7AsmOperand: ImmAsmOperand { let Name = "Imm0_7"; }
603 def imm0_7 : Operand<i32>, ImmLeaf<i32, [{
604 return Imm >= 0 && Imm < 8;
606 let ParserMatchClass = Imm0_7AsmOperand;
609 /// imm8 predicate - Immediate is exactly 8.
610 def Imm8AsmOperand: ImmAsmOperand { let Name = "Imm8"; }
611 def imm8 : Operand<i32>, ImmLeaf<i32, [{ return Imm == 8; }]> {
612 let ParserMatchClass = Imm8AsmOperand;
615 /// imm16 predicate - Immediate is exactly 16.
616 def Imm16AsmOperand: ImmAsmOperand { let Name = "Imm16"; }
617 def imm16 : Operand<i32>, ImmLeaf<i32, [{ return Imm == 16; }]> {
618 let ParserMatchClass = Imm16AsmOperand;
621 /// imm32 predicate - Immediate is exactly 32.
622 def Imm32AsmOperand: ImmAsmOperand { let Name = "Imm32"; }
623 def imm32 : Operand<i32>, ImmLeaf<i32, [{ return Imm == 32; }]> {
624 let ParserMatchClass = Imm32AsmOperand;
627 /// imm1_7 predicate - Immediate in the range [1,7].
628 def Imm1_7AsmOperand: ImmAsmOperand { let Name = "Imm1_7"; }
629 def imm1_7 : Operand<i32>, ImmLeaf<i32, [{ return Imm > 0 && Imm < 8; }]> {
630 let ParserMatchClass = Imm1_7AsmOperand;
633 /// imm1_15 predicate - Immediate in the range [1,15].
634 def Imm1_15AsmOperand: ImmAsmOperand { let Name = "Imm1_15"; }
635 def imm1_15 : Operand<i32>, ImmLeaf<i32, [{ return Imm > 0 && Imm < 16; }]> {
636 let ParserMatchClass = Imm1_15AsmOperand;
639 /// imm1_31 predicate - Immediate in the range [1,31].
640 def Imm1_31AsmOperand: ImmAsmOperand { let Name = "Imm1_31"; }
641 def imm1_31 : Operand<i32>, ImmLeaf<i32, [{ return Imm > 0 && Imm < 32; }]> {
642 let ParserMatchClass = Imm1_31AsmOperand;
645 /// imm0_15 predicate - Immediate in the range [0,15].
646 def Imm0_15AsmOperand: ImmAsmOperand {
647 let Name = "Imm0_15";
648 let DiagnosticType = "ImmRange0_15";
650 def imm0_15 : Operand<i32>, ImmLeaf<i32, [{
651 return Imm >= 0 && Imm < 16;
653 let ParserMatchClass = Imm0_15AsmOperand;
656 /// imm0_31 predicate - True if the 32-bit immediate is in the range [0,31].
657 def Imm0_31AsmOperand: ImmAsmOperand { let Name = "Imm0_31"; }
658 def imm0_31 : Operand<i32>, ImmLeaf<i32, [{
659 return Imm >= 0 && Imm < 32;
661 let ParserMatchClass = Imm0_31AsmOperand;
664 /// imm0_32 predicate - True if the 32-bit immediate is in the range [0,32].
665 def Imm0_32AsmOperand: ImmAsmOperand { let Name = "Imm0_32"; }
666 def imm0_32 : Operand<i32>, ImmLeaf<i32, [{
667 return Imm >= 0 && Imm < 32;
669 let ParserMatchClass = Imm0_32AsmOperand;
672 /// imm0_63 predicate - True if the 32-bit immediate is in the range [0,63].
673 def Imm0_63AsmOperand: ImmAsmOperand { let Name = "Imm0_63"; }
674 def imm0_63 : Operand<i32>, ImmLeaf<i32, [{
675 return Imm >= 0 && Imm < 64;
677 let ParserMatchClass = Imm0_63AsmOperand;
680 /// imm0_255 predicate - Immediate in the range [0,255].
681 def Imm0_255AsmOperand : ImmAsmOperand { let Name = "Imm0_255"; }
682 def imm0_255 : Operand<i32>, ImmLeaf<i32, [{ return Imm >= 0 && Imm < 256; }]> {
683 let ParserMatchClass = Imm0_255AsmOperand;
686 /// imm0_65535 - An immediate is in the range [0.65535].
687 def Imm0_65535AsmOperand: ImmAsmOperand { let Name = "Imm0_65535"; }
688 def imm0_65535 : Operand<i32>, ImmLeaf<i32, [{
689 return Imm >= 0 && Imm < 65536;
691 let ParserMatchClass = Imm0_65535AsmOperand;
694 // imm0_65535_neg - An immediate whose negative value is in the range [0.65535].
695 def imm0_65535_neg : Operand<i32>, ImmLeaf<i32, [{
696 return -Imm >= 0 && -Imm < 65536;
699 // imm0_65535_expr - For movt/movw - 16-bit immediate that can also reference
700 // a relocatable expression.
702 // FIXME: This really needs a Thumb version separate from the ARM version.
703 // While the range is the same, and can thus use the same match class,
704 // the encoding is different so it should have a different encoder method.
705 def Imm0_65535ExprAsmOperand: ImmAsmOperand { let Name = "Imm0_65535Expr"; }
706 def imm0_65535_expr : Operand<i32> {
707 let EncoderMethod = "getHiLo16ImmOpValue";
708 let ParserMatchClass = Imm0_65535ExprAsmOperand;
711 /// imm24b - True if the 32-bit immediate is encodable in 24 bits.
712 def Imm24bitAsmOperand: ImmAsmOperand { let Name = "Imm24bit"; }
713 def imm24b : Operand<i32>, ImmLeaf<i32, [{
714 return Imm >= 0 && Imm <= 0xffffff;
716 let ParserMatchClass = Imm24bitAsmOperand;
720 /// bf_inv_mask_imm predicate - An AND mask to clear an arbitrary width bitfield
722 def BitfieldAsmOperand : AsmOperandClass {
723 let Name = "Bitfield";
724 let ParserMethod = "parseBitfield";
727 def bf_inv_mask_imm : Operand<i32>,
729 return ARM::isBitFieldInvertedMask(N->getZExtValue());
731 let EncoderMethod = "getBitfieldInvertedMaskOpValue";
732 let PrintMethod = "printBitfieldInvMaskImmOperand";
733 let DecoderMethod = "DecodeBitfieldMaskOperand";
734 let ParserMatchClass = BitfieldAsmOperand;
737 def imm1_32_XFORM: SDNodeXForm<imm, [{
738 return CurDAG->getTargetConstant((int)N->getZExtValue() - 1, MVT::i32);
740 def Imm1_32AsmOperand: AsmOperandClass { let Name = "Imm1_32"; }
741 def imm1_32 : Operand<i32>, PatLeaf<(imm), [{
742 uint64_t Imm = N->getZExtValue();
743 return Imm > 0 && Imm <= 32;
746 let PrintMethod = "printImmPlusOneOperand";
747 let ParserMatchClass = Imm1_32AsmOperand;
750 def imm1_16_XFORM: SDNodeXForm<imm, [{
751 return CurDAG->getTargetConstant((int)N->getZExtValue() - 1, MVT::i32);
753 def Imm1_16AsmOperand: AsmOperandClass { let Name = "Imm1_16"; }
754 def imm1_16 : Operand<i32>, PatLeaf<(imm), [{ return Imm > 0 && Imm <= 16; }],
756 let PrintMethod = "printImmPlusOneOperand";
757 let ParserMatchClass = Imm1_16AsmOperand;
760 // Define ARM specific addressing modes.
761 // addrmode_imm12 := reg +/- imm12
763 def MemImm12OffsetAsmOperand : AsmOperandClass { let Name = "MemImm12Offset"; }
764 class AddrMode_Imm12 : Operand<i32>,
765 ComplexPattern<i32, 2, "SelectAddrModeImm12", []> {
766 // 12-bit immediate operand. Note that instructions using this encode
767 // #0 and #-0 differently. We flag #-0 as the magic value INT32_MIN. All other
768 // immediate values are as normal.
770 let EncoderMethod = "getAddrModeImm12OpValue";
771 let DecoderMethod = "DecodeAddrModeImm12Operand";
772 let ParserMatchClass = MemImm12OffsetAsmOperand;
773 let MIOperandInfo = (ops GPR:$base, i32imm:$offsimm);
776 def addrmode_imm12 : AddrMode_Imm12 {
777 let PrintMethod = "printAddrModeImm12Operand<false>";
780 def addrmode_imm12_pre : AddrMode_Imm12 {
781 let PrintMethod = "printAddrModeImm12Operand<true>";
784 // ldst_so_reg := reg +/- reg shop imm
786 def MemRegOffsetAsmOperand : AsmOperandClass { let Name = "MemRegOffset"; }
787 def ldst_so_reg : Operand<i32>,
788 ComplexPattern<i32, 3, "SelectLdStSOReg", []> {
789 let EncoderMethod = "getLdStSORegOpValue";
790 // FIXME: Simplify the printer
791 let PrintMethod = "printAddrMode2Operand";
792 let DecoderMethod = "DecodeSORegMemOperand";
793 let ParserMatchClass = MemRegOffsetAsmOperand;
794 let MIOperandInfo = (ops GPR:$base, GPRnopc:$offsreg, i32imm:$shift);
797 // postidx_imm8 := +/- [0,255]
800 // {8} 1 is imm8 is non-negative. 0 otherwise.
801 // {7-0} [0,255] imm8 value.
802 def PostIdxImm8AsmOperand : AsmOperandClass { let Name = "PostIdxImm8"; }
803 def postidx_imm8 : Operand<i32> {
804 let PrintMethod = "printPostIdxImm8Operand";
805 let ParserMatchClass = PostIdxImm8AsmOperand;
806 let MIOperandInfo = (ops i32imm);
809 // postidx_imm8s4 := +/- [0,1020]
812 // {8} 1 is imm8 is non-negative. 0 otherwise.
813 // {7-0} [0,255] imm8 value, scaled by 4.
814 def PostIdxImm8s4AsmOperand : AsmOperandClass { let Name = "PostIdxImm8s4"; }
815 def postidx_imm8s4 : Operand<i32> {
816 let PrintMethod = "printPostIdxImm8s4Operand";
817 let ParserMatchClass = PostIdxImm8s4AsmOperand;
818 let MIOperandInfo = (ops i32imm);
822 // postidx_reg := +/- reg
824 def PostIdxRegAsmOperand : AsmOperandClass {
825 let Name = "PostIdxReg";
826 let ParserMethod = "parsePostIdxReg";
828 def postidx_reg : Operand<i32> {
829 let EncoderMethod = "getPostIdxRegOpValue";
830 let DecoderMethod = "DecodePostIdxReg";
831 let PrintMethod = "printPostIdxRegOperand";
832 let ParserMatchClass = PostIdxRegAsmOperand;
833 let MIOperandInfo = (ops GPRnopc, i32imm);
837 // addrmode2 := reg +/- imm12
838 // := reg +/- reg shop imm
840 // FIXME: addrmode2 should be refactored the rest of the way to always
841 // use explicit imm vs. reg versions above (addrmode_imm12 and ldst_so_reg).
842 def AddrMode2AsmOperand : AsmOperandClass { let Name = "AddrMode2"; }
843 def addrmode2 : Operand<i32>,
844 ComplexPattern<i32, 3, "SelectAddrMode2", []> {
845 let EncoderMethod = "getAddrMode2OpValue";
846 let PrintMethod = "printAddrMode2Operand";
847 let ParserMatchClass = AddrMode2AsmOperand;
848 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
851 def PostIdxRegShiftedAsmOperand : AsmOperandClass {
852 let Name = "PostIdxRegShifted";
853 let ParserMethod = "parsePostIdxReg";
855 def am2offset_reg : Operand<i32>,
856 ComplexPattern<i32, 2, "SelectAddrMode2OffsetReg",
857 [], [SDNPWantRoot]> {
858 let EncoderMethod = "getAddrMode2OffsetOpValue";
859 let PrintMethod = "printAddrMode2OffsetOperand";
860 // When using this for assembly, it's always as a post-index offset.
861 let ParserMatchClass = PostIdxRegShiftedAsmOperand;
862 let MIOperandInfo = (ops GPRnopc, i32imm);
865 // FIXME: am2offset_imm should only need the immediate, not the GPR. Having
866 // the GPR is purely vestigal at this point.
867 def AM2OffsetImmAsmOperand : AsmOperandClass { let Name = "AM2OffsetImm"; }
868 def am2offset_imm : Operand<i32>,
869 ComplexPattern<i32, 2, "SelectAddrMode2OffsetImm",
870 [], [SDNPWantRoot]> {
871 let EncoderMethod = "getAddrMode2OffsetOpValue";
872 let PrintMethod = "printAddrMode2OffsetOperand";
873 let ParserMatchClass = AM2OffsetImmAsmOperand;
874 let MIOperandInfo = (ops GPRnopc, i32imm);
878 // addrmode3 := reg +/- reg
879 // addrmode3 := reg +/- imm8
881 // FIXME: split into imm vs. reg versions.
882 def AddrMode3AsmOperand : AsmOperandClass { let Name = "AddrMode3"; }
883 class AddrMode3 : Operand<i32>,
884 ComplexPattern<i32, 3, "SelectAddrMode3", []> {
885 let EncoderMethod = "getAddrMode3OpValue";
886 let ParserMatchClass = AddrMode3AsmOperand;
887 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
890 def addrmode3 : AddrMode3
892 let PrintMethod = "printAddrMode3Operand<false>";
895 def addrmode3_pre : AddrMode3
897 let PrintMethod = "printAddrMode3Operand<true>";
900 // FIXME: split into imm vs. reg versions.
901 // FIXME: parser method to handle +/- register.
902 def AM3OffsetAsmOperand : AsmOperandClass {
903 let Name = "AM3Offset";
904 let ParserMethod = "parseAM3Offset";
906 def am3offset : Operand<i32>,
907 ComplexPattern<i32, 2, "SelectAddrMode3Offset",
908 [], [SDNPWantRoot]> {
909 let EncoderMethod = "getAddrMode3OffsetOpValue";
910 let PrintMethod = "printAddrMode3OffsetOperand";
911 let ParserMatchClass = AM3OffsetAsmOperand;
912 let MIOperandInfo = (ops GPR, i32imm);
915 // ldstm_mode := {ia, ib, da, db}
917 def ldstm_mode : OptionalDefOperand<OtherVT, (ops i32), (ops (i32 1))> {
918 let EncoderMethod = "getLdStmModeOpValue";
919 let PrintMethod = "printLdStmModeOperand";
922 // addrmode5 := reg +/- imm8*4
924 def AddrMode5AsmOperand : AsmOperandClass { let Name = "AddrMode5"; }
925 class AddrMode5 : Operand<i32>,
926 ComplexPattern<i32, 2, "SelectAddrMode5", []> {
927 let EncoderMethod = "getAddrMode5OpValue";
928 let DecoderMethod = "DecodeAddrMode5Operand";
929 let ParserMatchClass = AddrMode5AsmOperand;
930 let MIOperandInfo = (ops GPR:$base, i32imm);
933 def addrmode5 : AddrMode5 {
934 let PrintMethod = "printAddrMode5Operand<false>";
937 def addrmode5_pre : AddrMode5 {
938 let PrintMethod = "printAddrMode5Operand<true>";
941 // addrmode6 := reg with optional alignment
943 def AddrMode6AsmOperand : AsmOperandClass { let Name = "AlignedMemory"; }
944 def addrmode6 : Operand<i32>,
945 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
946 let PrintMethod = "printAddrMode6Operand";
947 let MIOperandInfo = (ops GPR:$addr, i32imm:$align);
948 let EncoderMethod = "getAddrMode6AddressOpValue";
949 let DecoderMethod = "DecodeAddrMode6Operand";
950 let ParserMatchClass = AddrMode6AsmOperand;
953 def am6offset : Operand<i32>,
954 ComplexPattern<i32, 1, "SelectAddrMode6Offset",
955 [], [SDNPWantRoot]> {
956 let PrintMethod = "printAddrMode6OffsetOperand";
957 let MIOperandInfo = (ops GPR);
958 let EncoderMethod = "getAddrMode6OffsetOpValue";
959 let DecoderMethod = "DecodeGPRRegisterClass";
962 // Special version of addrmode6 to handle alignment encoding for VST1/VLD1
963 // (single element from one lane) for size 32.
964 def addrmode6oneL32 : Operand<i32>,
965 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
966 let PrintMethod = "printAddrMode6Operand";
967 let MIOperandInfo = (ops GPR:$addr, i32imm);
968 let EncoderMethod = "getAddrMode6OneLane32AddressOpValue";
971 // Special version of addrmode6 to handle alignment encoding for VLD-dup
972 // instructions, specifically VLD4-dup.
973 def addrmode6dup : Operand<i32>,
974 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
975 let PrintMethod = "printAddrMode6Operand";
976 let MIOperandInfo = (ops GPR:$addr, i32imm);
977 let EncoderMethod = "getAddrMode6DupAddressOpValue";
978 // FIXME: This is close, but not quite right. The alignment specifier is
980 let ParserMatchClass = AddrMode6AsmOperand;
983 // addrmodepc := pc + reg
985 def addrmodepc : Operand<i32>,
986 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
987 let PrintMethod = "printAddrModePCOperand";
988 let MIOperandInfo = (ops GPR, i32imm);
991 // addr_offset_none := reg
993 def MemNoOffsetAsmOperand : AsmOperandClass { let Name = "MemNoOffset"; }
994 def addr_offset_none : Operand<i32>,
995 ComplexPattern<i32, 1, "SelectAddrOffsetNone", []> {
996 let PrintMethod = "printAddrMode7Operand";
997 let DecoderMethod = "DecodeAddrMode7Operand";
998 let ParserMatchClass = MemNoOffsetAsmOperand;
999 let MIOperandInfo = (ops GPR:$base);
1002 def nohash_imm : Operand<i32> {
1003 let PrintMethod = "printNoHashImmediate";
1006 def CoprocNumAsmOperand : AsmOperandClass {
1007 let Name = "CoprocNum";
1008 let ParserMethod = "parseCoprocNumOperand";
1010 def p_imm : Operand<i32> {
1011 let PrintMethod = "printPImmediate";
1012 let ParserMatchClass = CoprocNumAsmOperand;
1013 let DecoderMethod = "DecodeCoprocessor";
1016 def CoprocRegAsmOperand : AsmOperandClass {
1017 let Name = "CoprocReg";
1018 let ParserMethod = "parseCoprocRegOperand";
1020 def c_imm : Operand<i32> {
1021 let PrintMethod = "printCImmediate";
1022 let ParserMatchClass = CoprocRegAsmOperand;
1024 def CoprocOptionAsmOperand : AsmOperandClass {
1025 let Name = "CoprocOption";
1026 let ParserMethod = "parseCoprocOptionOperand";
1028 def coproc_option_imm : Operand<i32> {
1029 let PrintMethod = "printCoprocOptionImm";
1030 let ParserMatchClass = CoprocOptionAsmOperand;
1033 //===----------------------------------------------------------------------===//
1035 include "ARMInstrFormats.td"
1037 //===----------------------------------------------------------------------===//
1038 // Multiclass helpers...
1041 /// AsI1_bin_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns for a
1042 /// binop that produces a value.
1043 let TwoOperandAliasConstraint = "$Rn = $Rd" in
1044 multiclass AsI1_bin_irs<bits<4> opcod, string opc,
1045 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
1046 PatFrag opnode, bit Commutable = 0> {
1047 // The register-immediate version is re-materializable. This is useful
1048 // in particular for taking the address of a local.
1049 let isReMaterializable = 1 in {
1050 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
1051 iii, opc, "\t$Rd, $Rn, $imm",
1052 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>,
1053 Sched<[WriteALU, ReadALU]> {
1058 let Inst{19-16} = Rn;
1059 let Inst{15-12} = Rd;
1060 let Inst{11-0} = imm;
1063 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
1064 iir, opc, "\t$Rd, $Rn, $Rm",
1065 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
1066 Sched<[WriteALU, ReadALU, ReadALU]> {
1071 let isCommutable = Commutable;
1072 let Inst{19-16} = Rn;
1073 let Inst{15-12} = Rd;
1074 let Inst{11-4} = 0b00000000;
1078 def rsi : AsI1<opcod, (outs GPR:$Rd),
1079 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm,
1080 iis, opc, "\t$Rd, $Rn, $shift",
1081 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_imm:$shift))]>,
1082 Sched<[WriteALUsi, ReadALU]> {
1087 let Inst{19-16} = Rn;
1088 let Inst{15-12} = Rd;
1089 let Inst{11-5} = shift{11-5};
1091 let Inst{3-0} = shift{3-0};
1094 def rsr : AsI1<opcod, (outs GPR:$Rd),
1095 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm,
1096 iis, opc, "\t$Rd, $Rn, $shift",
1097 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_reg:$shift))]>,
1098 Sched<[WriteALUsr, ReadALUsr]> {
1103 let Inst{19-16} = Rn;
1104 let Inst{15-12} = Rd;
1105 let Inst{11-8} = shift{11-8};
1107 let Inst{6-5} = shift{6-5};
1109 let Inst{3-0} = shift{3-0};
1113 /// AsI1_rbin_irs - Same as AsI1_bin_irs except the order of operands are
1114 /// reversed. The 'rr' form is only defined for the disassembler; for codegen
1115 /// it is equivalent to the AsI1_bin_irs counterpart.
1116 let TwoOperandAliasConstraint = "$Rn = $Rd" in
1117 multiclass AsI1_rbin_irs<bits<4> opcod, string opc,
1118 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
1119 PatFrag opnode, bit Commutable = 0> {
1120 // The register-immediate version is re-materializable. This is useful
1121 // in particular for taking the address of a local.
1122 let isReMaterializable = 1 in {
1123 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
1124 iii, opc, "\t$Rd, $Rn, $imm",
1125 [(set GPR:$Rd, (opnode so_imm:$imm, GPR:$Rn))]>,
1126 Sched<[WriteALU, ReadALU]> {
1131 let Inst{19-16} = Rn;
1132 let Inst{15-12} = Rd;
1133 let Inst{11-0} = imm;
1136 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
1137 iir, opc, "\t$Rd, $Rn, $Rm",
1138 [/* pattern left blank */]>,
1139 Sched<[WriteALU, ReadALU, ReadALU]> {
1143 let Inst{11-4} = 0b00000000;
1146 let Inst{15-12} = Rd;
1147 let Inst{19-16} = Rn;
1150 def rsi : AsI1<opcod, (outs GPR:$Rd),
1151 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm,
1152 iis, opc, "\t$Rd, $Rn, $shift",
1153 [(set GPR:$Rd, (opnode so_reg_imm:$shift, GPR:$Rn))]>,
1154 Sched<[WriteALUsi, ReadALU]> {
1159 let Inst{19-16} = Rn;
1160 let Inst{15-12} = Rd;
1161 let Inst{11-5} = shift{11-5};
1163 let Inst{3-0} = shift{3-0};
1166 def rsr : AsI1<opcod, (outs GPR:$Rd),
1167 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm,
1168 iis, opc, "\t$Rd, $Rn, $shift",
1169 [(set GPR:$Rd, (opnode so_reg_reg:$shift, GPR:$Rn))]>,
1170 Sched<[WriteALUsr, ReadALUsr]> {
1175 let Inst{19-16} = Rn;
1176 let Inst{15-12} = Rd;
1177 let Inst{11-8} = shift{11-8};
1179 let Inst{6-5} = shift{6-5};
1181 let Inst{3-0} = shift{3-0};
1185 /// AsI1_bin_s_irs - Same as AsI1_bin_irs except it sets the 's' bit by default.
1187 /// These opcodes will be converted to the real non-S opcodes by
1188 /// AdjustInstrPostInstrSelection after giving them an optional CPSR operand.
1189 let hasPostISelHook = 1, Defs = [CPSR] in {
1190 multiclass AsI1_bin_s_irs<InstrItinClass iii, InstrItinClass iir,
1191 InstrItinClass iis, PatFrag opnode,
1192 bit Commutable = 0> {
1193 def ri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm, pred:$p),
1195 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, so_imm:$imm))]>,
1196 Sched<[WriteALU, ReadALU]>;
1198 def rr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, pred:$p),
1200 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, GPR:$Rm))]>,
1201 Sched<[WriteALU, ReadALU, ReadALU]> {
1202 let isCommutable = Commutable;
1204 def rsi : ARMPseudoInst<(outs GPR:$Rd),
1205 (ins GPR:$Rn, so_reg_imm:$shift, pred:$p),
1207 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn,
1208 so_reg_imm:$shift))]>,
1209 Sched<[WriteALUsi, ReadALU]>;
1211 def rsr : ARMPseudoInst<(outs GPR:$Rd),
1212 (ins GPR:$Rn, so_reg_reg:$shift, pred:$p),
1214 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn,
1215 so_reg_reg:$shift))]>,
1216 Sched<[WriteALUSsr, ReadALUsr]>;
1220 /// AsI1_rbin_s_is - Same as AsI1_bin_s_irs, except selection DAG
1221 /// operands are reversed.
1222 let hasPostISelHook = 1, Defs = [CPSR] in {
1223 multiclass AsI1_rbin_s_is<InstrItinClass iii, InstrItinClass iir,
1224 InstrItinClass iis, PatFrag opnode,
1225 bit Commutable = 0> {
1226 def ri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm, pred:$p),
1228 [(set GPR:$Rd, CPSR, (opnode so_imm:$imm, GPR:$Rn))]>,
1229 Sched<[WriteALU, ReadALU]>;
1231 def rsi : ARMPseudoInst<(outs GPR:$Rd),
1232 (ins GPR:$Rn, so_reg_imm:$shift, pred:$p),
1234 [(set GPR:$Rd, CPSR, (opnode so_reg_imm:$shift,
1236 Sched<[WriteALUsi, ReadALU]>;
1238 def rsr : ARMPseudoInst<(outs GPR:$Rd),
1239 (ins GPR:$Rn, so_reg_reg:$shift, pred:$p),
1241 [(set GPR:$Rd, CPSR, (opnode so_reg_reg:$shift,
1243 Sched<[WriteALUSsr, ReadALUsr]>;
1247 /// AI1_cmp_irs - Defines a set of (op r, {so_imm|r|so_reg}) cmp / test
1248 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
1249 /// a explicit result, only implicitly set CPSR.
1250 let isCompare = 1, Defs = [CPSR] in {
1251 multiclass AI1_cmp_irs<bits<4> opcod, string opc,
1252 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
1253 PatFrag opnode, bit Commutable = 0> {
1254 def ri : AI1<opcod, (outs), (ins GPR:$Rn, so_imm:$imm), DPFrm, iii,
1256 [(opnode GPR:$Rn, so_imm:$imm)]>,
1257 Sched<[WriteCMP, ReadALU]> {
1262 let Inst{19-16} = Rn;
1263 let Inst{15-12} = 0b0000;
1264 let Inst{11-0} = imm;
1266 let Unpredictable{15-12} = 0b1111;
1268 def rr : AI1<opcod, (outs), (ins GPR:$Rn, GPR:$Rm), DPFrm, iir,
1270 [(opnode GPR:$Rn, GPR:$Rm)]>,
1271 Sched<[WriteCMP, ReadALU, ReadALU]> {
1274 let isCommutable = Commutable;
1277 let Inst{19-16} = Rn;
1278 let Inst{15-12} = 0b0000;
1279 let Inst{11-4} = 0b00000000;
1282 let Unpredictable{15-12} = 0b1111;
1284 def rsi : AI1<opcod, (outs),
1285 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm, iis,
1286 opc, "\t$Rn, $shift",
1287 [(opnode GPR:$Rn, so_reg_imm:$shift)]>,
1288 Sched<[WriteCMPsi, ReadALU]> {
1293 let Inst{19-16} = Rn;
1294 let Inst{15-12} = 0b0000;
1295 let Inst{11-5} = shift{11-5};
1297 let Inst{3-0} = shift{3-0};
1299 let Unpredictable{15-12} = 0b1111;
1301 def rsr : AI1<opcod, (outs),
1302 (ins GPRnopc:$Rn, so_reg_reg:$shift), DPSoRegRegFrm, iis,
1303 opc, "\t$Rn, $shift",
1304 [(opnode GPRnopc:$Rn, so_reg_reg:$shift)]>,
1305 Sched<[WriteCMPsr, ReadALU]> {
1310 let Inst{19-16} = Rn;
1311 let Inst{15-12} = 0b0000;
1312 let Inst{11-8} = shift{11-8};
1314 let Inst{6-5} = shift{6-5};
1316 let Inst{3-0} = shift{3-0};
1318 let Unpredictable{15-12} = 0b1111;
1324 /// AI_ext_rrot - A unary operation with two forms: one whose operand is a
1325 /// register and one whose operand is a register rotated by 8/16/24.
1326 /// FIXME: Remove the 'r' variant. Its rot_imm is zero.
1327 class AI_ext_rrot<bits<8> opcod, string opc, PatFrag opnode>
1328 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPRnopc:$Rm, rot_imm:$rot),
1329 IIC_iEXTr, opc, "\t$Rd, $Rm$rot",
1330 [(set GPRnopc:$Rd, (opnode (rotr GPRnopc:$Rm, rot_imm:$rot)))]>,
1331 Requires<[IsARM, HasV6]>, Sched<[WriteALUsi]> {
1335 let Inst{19-16} = 0b1111;
1336 let Inst{15-12} = Rd;
1337 let Inst{11-10} = rot;
1341 class AI_ext_rrot_np<bits<8> opcod, string opc>
1342 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPRnopc:$Rm, rot_imm:$rot),
1343 IIC_iEXTr, opc, "\t$Rd, $Rm$rot", []>,
1344 Requires<[IsARM, HasV6]>, Sched<[WriteALUsi]> {
1346 let Inst{19-16} = 0b1111;
1347 let Inst{11-10} = rot;
1350 /// AI_exta_rrot - A binary operation with two forms: one whose operand is a
1351 /// register and one whose operand is a register rotated by 8/16/24.
1352 class AI_exta_rrot<bits<8> opcod, string opc, PatFrag opnode>
1353 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPR:$Rn, GPRnopc:$Rm, rot_imm:$rot),
1354 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm$rot",
1355 [(set GPRnopc:$Rd, (opnode GPR:$Rn,
1356 (rotr GPRnopc:$Rm, rot_imm:$rot)))]>,
1357 Requires<[IsARM, HasV6]>, Sched<[WriteALUsr]> {
1362 let Inst{19-16} = Rn;
1363 let Inst{15-12} = Rd;
1364 let Inst{11-10} = rot;
1365 let Inst{9-4} = 0b000111;
1369 class AI_exta_rrot_np<bits<8> opcod, string opc>
1370 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPR:$Rn, GPRnopc:$Rm, rot_imm:$rot),
1371 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm$rot", []>,
1372 Requires<[IsARM, HasV6]>, Sched<[WriteALUsr]> {
1375 let Inst{19-16} = Rn;
1376 let Inst{11-10} = rot;
1379 /// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
1380 let TwoOperandAliasConstraint = "$Rn = $Rd" in
1381 multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode,
1382 bit Commutable = 0> {
1383 let hasPostISelHook = 1, Defs = [CPSR], Uses = [CPSR] in {
1384 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
1385 DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
1386 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, so_imm:$imm, CPSR))]>,
1388 Sched<[WriteALU, ReadALU]> {
1393 let Inst{15-12} = Rd;
1394 let Inst{19-16} = Rn;
1395 let Inst{11-0} = imm;
1397 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
1398 DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
1399 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, GPR:$Rm, CPSR))]>,
1401 Sched<[WriteALU, ReadALU, ReadALU]> {
1405 let Inst{11-4} = 0b00000000;
1407 let isCommutable = Commutable;
1409 let Inst{15-12} = Rd;
1410 let Inst{19-16} = Rn;
1412 def rsi : AsI1<opcod, (outs GPR:$Rd),
1413 (ins GPR:$Rn, so_reg_imm:$shift),
1414 DPSoRegImmFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1415 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, so_reg_imm:$shift, CPSR))]>,
1417 Sched<[WriteALUsi, ReadALU]> {
1422 let Inst{19-16} = Rn;
1423 let Inst{15-12} = Rd;
1424 let Inst{11-5} = shift{11-5};
1426 let Inst{3-0} = shift{3-0};
1428 def rsr : AsI1<opcod, (outs GPRnopc:$Rd),
1429 (ins GPRnopc:$Rn, so_reg_reg:$shift),
1430 DPSoRegRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1431 [(set GPRnopc:$Rd, CPSR,
1432 (opnode GPRnopc:$Rn, so_reg_reg:$shift, CPSR))]>,
1434 Sched<[WriteALUsr, ReadALUsr]> {
1439 let Inst{19-16} = Rn;
1440 let Inst{15-12} = Rd;
1441 let Inst{11-8} = shift{11-8};
1443 let Inst{6-5} = shift{6-5};
1445 let Inst{3-0} = shift{3-0};
1450 /// AI1_rsc_irs - Define instructions and patterns for rsc
1451 let TwoOperandAliasConstraint = "$Rn = $Rd" in
1452 multiclass AI1_rsc_irs<bits<4> opcod, string opc, PatFrag opnode> {
1453 let hasPostISelHook = 1, Defs = [CPSR], Uses = [CPSR] in {
1454 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
1455 DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
1456 [(set GPR:$Rd, CPSR, (opnode so_imm:$imm, GPR:$Rn, CPSR))]>,
1458 Sched<[WriteALU, ReadALU]> {
1463 let Inst{15-12} = Rd;
1464 let Inst{19-16} = Rn;
1465 let Inst{11-0} = imm;
1467 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
1468 DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
1469 [/* pattern left blank */]>,
1470 Sched<[WriteALU, ReadALU, ReadALU]> {
1474 let Inst{11-4} = 0b00000000;
1477 let Inst{15-12} = Rd;
1478 let Inst{19-16} = Rn;
1480 def rsi : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_imm:$shift),
1481 DPSoRegImmFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1482 [(set GPR:$Rd, CPSR, (opnode so_reg_imm:$shift, GPR:$Rn, CPSR))]>,
1484 Sched<[WriteALUsi, ReadALU]> {
1489 let Inst{19-16} = Rn;
1490 let Inst{15-12} = Rd;
1491 let Inst{11-5} = shift{11-5};
1493 let Inst{3-0} = shift{3-0};
1495 def rsr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_reg:$shift),
1496 DPSoRegRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1497 [(set GPR:$Rd, CPSR, (opnode so_reg_reg:$shift, GPR:$Rn, CPSR))]>,
1499 Sched<[WriteALUsr, ReadALUsr]> {
1504 let Inst{19-16} = Rn;
1505 let Inst{15-12} = Rd;
1506 let Inst{11-8} = shift{11-8};
1508 let Inst{6-5} = shift{6-5};
1510 let Inst{3-0} = shift{3-0};
1515 let canFoldAsLoad = 1, isReMaterializable = 1 in {
1516 multiclass AI_ldr1<bit isByte, string opc, InstrItinClass iii,
1517 InstrItinClass iir, PatFrag opnode> {
1518 // Note: We use the complex addrmode_imm12 rather than just an input
1519 // GPR and a constrained immediate so that we can use this to match
1520 // frame index references and avoid matching constant pool references.
1521 def i12: AI2ldst<0b010, 1, isByte, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
1522 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
1523 [(set GPR:$Rt, (opnode addrmode_imm12:$addr))]> {
1526 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1527 let Inst{19-16} = addr{16-13}; // Rn
1528 let Inst{15-12} = Rt;
1529 let Inst{11-0} = addr{11-0}; // imm12
1531 def rs : AI2ldst<0b011, 1, isByte, (outs GPR:$Rt), (ins ldst_so_reg:$shift),
1532 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
1533 [(set GPR:$Rt, (opnode ldst_so_reg:$shift))]> {
1536 let shift{4} = 0; // Inst{4} = 0
1537 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1538 let Inst{19-16} = shift{16-13}; // Rn
1539 let Inst{15-12} = Rt;
1540 let Inst{11-0} = shift{11-0};
1545 let canFoldAsLoad = 1, isReMaterializable = 1 in {
1546 multiclass AI_ldr1nopc<bit isByte, string opc, InstrItinClass iii,
1547 InstrItinClass iir, PatFrag opnode> {
1548 // Note: We use the complex addrmode_imm12 rather than just an input
1549 // GPR and a constrained immediate so that we can use this to match
1550 // frame index references and avoid matching constant pool references.
1551 def i12: AI2ldst<0b010, 1, isByte, (outs GPRnopc:$Rt),
1552 (ins addrmode_imm12:$addr),
1553 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
1554 [(set GPRnopc:$Rt, (opnode addrmode_imm12:$addr))]> {
1557 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1558 let Inst{19-16} = addr{16-13}; // Rn
1559 let Inst{15-12} = Rt;
1560 let Inst{11-0} = addr{11-0}; // imm12
1562 def rs : AI2ldst<0b011, 1, isByte, (outs GPRnopc:$Rt),
1563 (ins ldst_so_reg:$shift),
1564 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
1565 [(set GPRnopc:$Rt, (opnode ldst_so_reg:$shift))]> {
1568 let shift{4} = 0; // Inst{4} = 0
1569 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1570 let Inst{19-16} = shift{16-13}; // Rn
1571 let Inst{15-12} = Rt;
1572 let Inst{11-0} = shift{11-0};
1578 multiclass AI_str1<bit isByte, string opc, InstrItinClass iii,
1579 InstrItinClass iir, PatFrag opnode> {
1580 // Note: We use the complex addrmode_imm12 rather than just an input
1581 // GPR and a constrained immediate so that we can use this to match
1582 // frame index references and avoid matching constant pool references.
1583 def i12 : AI2ldst<0b010, 0, isByte, (outs),
1584 (ins GPR:$Rt, addrmode_imm12:$addr),
1585 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
1586 [(opnode GPR:$Rt, addrmode_imm12:$addr)]> {
1589 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1590 let Inst{19-16} = addr{16-13}; // Rn
1591 let Inst{15-12} = Rt;
1592 let Inst{11-0} = addr{11-0}; // imm12
1594 def rs : AI2ldst<0b011, 0, isByte, (outs), (ins GPR:$Rt, ldst_so_reg:$shift),
1595 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
1596 [(opnode GPR:$Rt, ldst_so_reg:$shift)]> {
1599 let shift{4} = 0; // Inst{4} = 0
1600 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1601 let Inst{19-16} = shift{16-13}; // Rn
1602 let Inst{15-12} = Rt;
1603 let Inst{11-0} = shift{11-0};
1607 multiclass AI_str1nopc<bit isByte, string opc, InstrItinClass iii,
1608 InstrItinClass iir, PatFrag opnode> {
1609 // Note: We use the complex addrmode_imm12 rather than just an input
1610 // GPR and a constrained immediate so that we can use this to match
1611 // frame index references and avoid matching constant pool references.
1612 def i12 : AI2ldst<0b010, 0, isByte, (outs),
1613 (ins GPRnopc:$Rt, addrmode_imm12:$addr),
1614 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
1615 [(opnode GPRnopc:$Rt, addrmode_imm12:$addr)]> {
1618 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1619 let Inst{19-16} = addr{16-13}; // Rn
1620 let Inst{15-12} = Rt;
1621 let Inst{11-0} = addr{11-0}; // imm12
1623 def rs : AI2ldst<0b011, 0, isByte, (outs),
1624 (ins GPRnopc:$Rt, ldst_so_reg:$shift),
1625 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
1626 [(opnode GPRnopc:$Rt, ldst_so_reg:$shift)]> {
1629 let shift{4} = 0; // Inst{4} = 0
1630 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1631 let Inst{19-16} = shift{16-13}; // Rn
1632 let Inst{15-12} = Rt;
1633 let Inst{11-0} = shift{11-0};
1638 //===----------------------------------------------------------------------===//
1640 //===----------------------------------------------------------------------===//
1642 //===----------------------------------------------------------------------===//
1643 // Miscellaneous Instructions.
1646 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
1647 /// the function. The first operand is the ID# for this instruction, the second
1648 /// is the index into the MachineConstantPool that this is, the third is the
1649 /// size in bytes of this constant pool entry.
1650 let neverHasSideEffects = 1, isNotDuplicable = 1 in
1651 def CONSTPOOL_ENTRY :
1652 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
1653 i32imm:$size), NoItinerary, []>;
1655 // FIXME: Marking these as hasSideEffects is necessary to prevent machine DCE
1656 // from removing one half of the matched pairs. That breaks PEI, which assumes
1657 // these will always be in pairs, and asserts if it finds otherwise. Better way?
1658 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
1659 def ADJCALLSTACKUP :
1660 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary,
1661 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
1663 def ADJCALLSTACKDOWN :
1664 PseudoInst<(outs), (ins i32imm:$amt, pred:$p), NoItinerary,
1665 [(ARMcallseq_start timm:$amt)]>;
1668 // Atomic pseudo-insts which will be lowered to ldrexd/strexd loops.
1669 // (These pseudos use a hand-written selection code).
1670 let usesCustomInserter = 1, Defs = [CPSR], mayLoad = 1, mayStore = 1 in {
1671 def ATOMOR6432 : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
1672 (ins GPR:$addr, GPR:$src1, GPR:$src2),
1674 def ATOMXOR6432 : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
1675 (ins GPR:$addr, GPR:$src1, GPR:$src2),
1677 def ATOMADD6432 : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
1678 (ins GPR:$addr, GPR:$src1, GPR:$src2),
1680 def ATOMSUB6432 : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
1681 (ins GPR:$addr, GPR:$src1, GPR:$src2),
1683 def ATOMNAND6432 : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
1684 (ins GPR:$addr, GPR:$src1, GPR:$src2),
1686 def ATOMAND6432 : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
1687 (ins GPR:$addr, GPR:$src1, GPR:$src2),
1689 def ATOMSWAP6432 : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
1690 (ins GPR:$addr, GPR:$src1, GPR:$src2),
1692 def ATOMCMPXCHG6432 : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
1693 (ins GPR:$addr, GPR:$cmp1, GPR:$cmp2,
1694 GPR:$set1, GPR:$set2),
1696 def ATOMMIN6432 : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
1697 (ins GPR:$addr, GPR:$src1, GPR:$src2),
1699 def ATOMUMIN6432 : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
1700 (ins GPR:$addr, GPR:$src1, GPR:$src2),
1702 def ATOMMAX6432 : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
1703 (ins GPR:$addr, GPR:$src1, GPR:$src2),
1705 def ATOMUMAX6432 : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
1706 (ins GPR:$addr, GPR:$src1, GPR:$src2),
1710 def HINT : AI<(outs), (ins imm0_4:$imm), MiscFrm, NoItinerary,
1711 "hint", "\t$imm", []>, Requires<[IsARM, HasV6]> {
1713 let Inst{27-3} = 0b0011001000001111000000000;
1714 let Inst{2-0} = imm;
1717 def : InstAlias<"nop$p", (HINT 0, pred:$p)>, Requires<[IsARM, HasV6T2]>;
1718 def : InstAlias<"yield$p", (HINT 1, pred:$p)>, Requires<[IsARM, HasV6T2]>;
1719 def : InstAlias<"wfe$p", (HINT 2, pred:$p)>, Requires<[IsARM, HasV6T2]>;
1720 def : InstAlias<"wfi$p", (HINT 3, pred:$p)>, Requires<[IsARM, HasV6T2]>;
1721 def : InstAlias<"sev$p", (HINT 4, pred:$p)>, Requires<[IsARM, HasV6T2]>;
1723 def SEL : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm, NoItinerary, "sel",
1724 "\t$Rd, $Rn, $Rm", []>, Requires<[IsARM, HasV6]> {
1729 let Inst{15-12} = Rd;
1730 let Inst{19-16} = Rn;
1731 let Inst{27-20} = 0b01101000;
1732 let Inst{7-4} = 0b1011;
1733 let Inst{11-8} = 0b1111;
1734 let Unpredictable{11-8} = 0b1111;
1737 // The 16-bit operand $val can be used by a debugger to store more information
1738 // about the breakpoint.
1739 def BKPT : AInoP<(outs), (ins imm0_65535:$val), MiscFrm, NoItinerary,
1740 "bkpt", "\t$val", []>, Requires<[IsARM]> {
1742 let Inst{3-0} = val{3-0};
1743 let Inst{19-8} = val{15-4};
1744 let Inst{27-20} = 0b00010010;
1745 let Inst{31-28} = 0xe; // AL
1746 let Inst{7-4} = 0b0111;
1749 // Change Processor State
1750 // FIXME: We should use InstAlias to handle the optional operands.
1751 class CPS<dag iops, string asm_ops>
1752 : AXI<(outs), iops, MiscFrm, NoItinerary, !strconcat("cps", asm_ops),
1753 []>, Requires<[IsARM]> {
1759 let Inst{31-28} = 0b1111;
1760 let Inst{27-20} = 0b00010000;
1761 let Inst{19-18} = imod;
1762 let Inst{17} = M; // Enabled if mode is set;
1763 let Inst{16-9} = 0b00000000;
1764 let Inst{8-6} = iflags;
1766 let Inst{4-0} = mode;
1769 let DecoderMethod = "DecodeCPSInstruction" in {
1771 def CPS3p : CPS<(ins imod_op:$imod, iflags_op:$iflags, imm0_31:$mode),
1772 "$imod\t$iflags, $mode">;
1773 let mode = 0, M = 0 in
1774 def CPS2p : CPS<(ins imod_op:$imod, iflags_op:$iflags), "$imod\t$iflags">;
1776 let imod = 0, iflags = 0, M = 1 in
1777 def CPS1p : CPS<(ins imm0_31:$mode), "\t$mode">;
1780 // Preload signals the memory system of possible future data/instruction access.
1781 multiclass APreLoad<bits<1> read, bits<1> data, string opc> {
1783 def i12 : AXI<(outs), (ins addrmode_imm12:$addr), MiscFrm, IIC_Preload,
1784 !strconcat(opc, "\t$addr"),
1785 [(ARMPreload addrmode_imm12:$addr, (i32 read), (i32 data))]>,
1786 Sched<[WritePreLd]> {
1789 let Inst{31-26} = 0b111101;
1790 let Inst{25} = 0; // 0 for immediate form
1791 let Inst{24} = data;
1792 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1793 let Inst{22} = read;
1794 let Inst{21-20} = 0b01;
1795 let Inst{19-16} = addr{16-13}; // Rn
1796 let Inst{15-12} = 0b1111;
1797 let Inst{11-0} = addr{11-0}; // imm12
1800 def rs : AXI<(outs), (ins ldst_so_reg:$shift), MiscFrm, IIC_Preload,
1801 !strconcat(opc, "\t$shift"),
1802 [(ARMPreload ldst_so_reg:$shift, (i32 read), (i32 data))]>,
1803 Sched<[WritePreLd]> {
1805 let Inst{31-26} = 0b111101;
1806 let Inst{25} = 1; // 1 for register form
1807 let Inst{24} = data;
1808 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1809 let Inst{22} = read;
1810 let Inst{21-20} = 0b01;
1811 let Inst{19-16} = shift{16-13}; // Rn
1812 let Inst{15-12} = 0b1111;
1813 let Inst{11-0} = shift{11-0};
1818 defm PLD : APreLoad<1, 1, "pld">, Requires<[IsARM]>;
1819 defm PLDW : APreLoad<0, 1, "pldw">, Requires<[IsARM,HasV7,HasMP]>;
1820 defm PLI : APreLoad<1, 0, "pli">, Requires<[IsARM,HasV7]>;
1822 def SETEND : AXI<(outs), (ins setend_op:$end), MiscFrm, NoItinerary,
1823 "setend\t$end", []>, Requires<[IsARM]> {
1825 let Inst{31-10} = 0b1111000100000001000000;
1830 def DBG : AI<(outs), (ins imm0_15:$opt), MiscFrm, NoItinerary, "dbg", "\t$opt",
1831 []>, Requires<[IsARM, HasV7]> {
1833 let Inst{27-4} = 0b001100100000111100001111;
1834 let Inst{3-0} = opt;
1838 * A5.4 Permanently UNDEFINED instructions.
1840 * For most targets use UDF #65006, for which the OS will generate SIGTRAP.
1841 * Other UDF encodings generate SIGILL.
1843 * NaCl's OS instead chooses an ARM UDF encoding that's also a UDF in Thumb.
1845 * 1110 0111 1111 iiii iiii iiii 1111 iiii
1847 * 1101 1110 iiii iiii
1848 * It uses the following encoding:
1849 * 1110 0111 1111 1110 1101 1110 1111 0000
1850 * - In ARM: UDF #60896;
1851 * - In Thumb: UDF #254 followed by a branch-to-self.
1853 let isBarrier = 1, isTerminator = 1 in
1854 def TRAPNaCl : AXI<(outs), (ins), MiscFrm, NoItinerary,
1856 Requires<[IsARM,UseNaClTrap]> {
1857 let Inst = 0xe7fedef0;
1859 let isBarrier = 1, isTerminator = 1 in
1860 def TRAP : AXI<(outs), (ins), MiscFrm, NoItinerary,
1862 Requires<[IsARM,DontUseNaClTrap]> {
1863 let Inst = 0xe7ffdefe;
1866 // Address computation and loads and stores in PIC mode.
1867 let isNotDuplicable = 1 in {
1868 def PICADD : ARMPseudoInst<(outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
1870 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>,
1871 Sched<[WriteALU, ReadALU]>;
1873 let AddedComplexity = 10 in {
1874 def PICLDR : ARMPseudoInst<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
1876 [(set GPR:$dst, (load addrmodepc:$addr))]>;
1878 def PICLDRH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1880 [(set GPR:$Rt, (zextloadi16 addrmodepc:$addr))]>;
1882 def PICLDRB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1884 [(set GPR:$Rt, (zextloadi8 addrmodepc:$addr))]>;
1886 def PICLDRSH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1888 [(set GPR:$Rt, (sextloadi16 addrmodepc:$addr))]>;
1890 def PICLDRSB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1892 [(set GPR:$Rt, (sextloadi8 addrmodepc:$addr))]>;
1894 let AddedComplexity = 10 in {
1895 def PICSTR : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1896 4, IIC_iStore_r, [(store GPR:$src, addrmodepc:$addr)]>;
1898 def PICSTRH : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1899 4, IIC_iStore_bh_r, [(truncstorei16 GPR:$src,
1900 addrmodepc:$addr)]>;
1902 def PICSTRB : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1903 4, IIC_iStore_bh_r, [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
1905 } // isNotDuplicable = 1
1908 // LEApcrel - Load a pc-relative address into a register without offending the
1910 let neverHasSideEffects = 1, isReMaterializable = 1 in
1911 // The 'adr' mnemonic encodes differently if the label is before or after
1912 // the instruction. The {24-21} opcode bits are set by the fixup, as we don't
1913 // know until then which form of the instruction will be used.
1914 def ADR : AI1<{0,?,?,0}, (outs GPR:$Rd), (ins adrlabel:$label),
1915 MiscFrm, IIC_iALUi, "adr", "\t$Rd, $label", []>,
1916 Sched<[WriteALU, ReadALU]> {
1919 let Inst{27-25} = 0b001;
1921 let Inst{23-22} = label{13-12};
1924 let Inst{19-16} = 0b1111;
1925 let Inst{15-12} = Rd;
1926 let Inst{11-0} = label{11-0};
1929 let hasSideEffects = 1 in {
1930 def LEApcrel : ARMPseudoInst<(outs GPR:$Rd), (ins i32imm:$label, pred:$p),
1931 4, IIC_iALUi, []>, Sched<[WriteALU, ReadALU]>;
1933 def LEApcrelJT : ARMPseudoInst<(outs GPR:$Rd),
1934 (ins i32imm:$label, nohash_imm:$id, pred:$p),
1935 4, IIC_iALUi, []>, Sched<[WriteALU, ReadALU]>;
1938 //===----------------------------------------------------------------------===//
1939 // Control Flow Instructions.
1942 let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
1944 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1945 "bx", "\tlr", [(ARMretflag)]>,
1946 Requires<[IsARM, HasV4T]>, Sched<[WriteBr]> {
1947 let Inst{27-0} = 0b0001001011111111111100011110;
1951 def MOVPCLR : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1952 "mov", "\tpc, lr", [(ARMretflag)]>,
1953 Requires<[IsARM, NoV4T]>, Sched<[WriteBr]> {
1954 let Inst{27-0} = 0b0001101000001111000000001110;
1958 // Indirect branches
1959 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
1961 def BX : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
1962 [(brind GPR:$dst)]>,
1963 Requires<[IsARM, HasV4T]>, Sched<[WriteBr]> {
1965 let Inst{31-4} = 0b1110000100101111111111110001;
1966 let Inst{3-0} = dst;
1969 def BX_pred : AI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br,
1970 "bx", "\t$dst", [/* pattern left blank */]>,
1971 Requires<[IsARM, HasV4T]>, Sched<[WriteBr]> {
1973 let Inst{27-4} = 0b000100101111111111110001;
1974 let Inst{3-0} = dst;
1978 // SP is marked as a use to prevent stack-pointer assignments that appear
1979 // immediately before calls from potentially appearing dead.
1981 // FIXME: Do we really need a non-predicated version? If so, it should
1982 // at least be a pseudo instruction expanding to the predicated version
1983 // at MC lowering time.
1984 Defs = [LR], Uses = [SP] in {
1985 def BL : ABXI<0b1011, (outs), (ins bl_target:$func),
1986 IIC_Br, "bl\t$func",
1987 [(ARMcall tglobaladdr:$func)]>,
1988 Requires<[IsARM]>, Sched<[WriteBrL]> {
1989 let Inst{31-28} = 0b1110;
1991 let Inst{23-0} = func;
1992 let DecoderMethod = "DecodeBranchImmInstruction";
1995 def BL_pred : ABI<0b1011, (outs), (ins bl_target:$func),
1996 IIC_Br, "bl", "\t$func",
1997 [(ARMcall_pred tglobaladdr:$func)]>,
1998 Requires<[IsARM]>, Sched<[WriteBrL]> {
2000 let Inst{23-0} = func;
2001 let DecoderMethod = "DecodeBranchImmInstruction";
2005 def BLX : AXI<(outs), (ins GPR:$func), BrMiscFrm,
2006 IIC_Br, "blx\t$func",
2007 [(ARMcall GPR:$func)]>,
2008 Requires<[IsARM, HasV5T]>, Sched<[WriteBrL]> {
2010 let Inst{31-4} = 0b1110000100101111111111110011;
2011 let Inst{3-0} = func;
2014 def BLX_pred : AI<(outs), (ins GPR:$func), BrMiscFrm,
2015 IIC_Br, "blx", "\t$func",
2016 [(ARMcall_pred GPR:$func)]>,
2017 Requires<[IsARM, HasV5T]>, Sched<[WriteBrL]> {
2019 let Inst{27-4} = 0b000100101111111111110011;
2020 let Inst{3-0} = func;
2024 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
2025 def BX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func),
2026 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
2027 Requires<[IsARM, HasV4T]>, Sched<[WriteBr]>;
2030 def BMOVPCRX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func),
2031 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
2032 Requires<[IsARM, NoV4T]>, Sched<[WriteBr]>;
2034 // mov lr, pc; b if callee is marked noreturn to avoid confusing the
2035 // return stack predictor.
2036 def BMOVPCB_CALL : ARMPseudoInst<(outs), (ins bl_target:$func),
2037 8, IIC_Br, [(ARMcall_nolink tglobaladdr:$func)]>,
2038 Requires<[IsARM]>, Sched<[WriteBr]>;
2041 let isBranch = 1, isTerminator = 1 in {
2042 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
2043 // a two-value operand where a dag node expects two operands. :(
2044 def Bcc : ABI<0b1010, (outs), (ins br_target:$target),
2045 IIC_Br, "b", "\t$target",
2046 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]>,
2049 let Inst{23-0} = target;
2050 let DecoderMethod = "DecodeBranchImmInstruction";
2053 let isBarrier = 1 in {
2054 // B is "predicable" since it's just a Bcc with an 'always' condition.
2055 let isPredicable = 1 in
2056 // FIXME: We shouldn't need this pseudo at all. Just using Bcc directly
2057 // should be sufficient.
2058 // FIXME: Is B really a Barrier? That doesn't seem right.
2059 def B : ARMPseudoExpand<(outs), (ins br_target:$target), 4, IIC_Br,
2060 [(br bb:$target)], (Bcc br_target:$target, (ops 14, zero_reg))>,
2063 let isNotDuplicable = 1, isIndirectBranch = 1 in {
2064 def BR_JTr : ARMPseudoInst<(outs),
2065 (ins GPR:$target, i32imm:$jt, i32imm:$id),
2067 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]>,
2069 // FIXME: This shouldn't use the generic "addrmode2," but rather be split
2070 // into i12 and rs suffixed versions.
2071 def BR_JTm : ARMPseudoInst<(outs),
2072 (ins addrmode2:$target, i32imm:$jt, i32imm:$id),
2074 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
2075 imm:$id)]>, Sched<[WriteBrTbl]>;
2076 def BR_JTadd : ARMPseudoInst<(outs),
2077 (ins GPR:$target, GPR:$idx, i32imm:$jt, i32imm:$id),
2079 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
2080 imm:$id)]>, Sched<[WriteBrTbl]>;
2081 } // isNotDuplicable = 1, isIndirectBranch = 1
2087 def BLXi : AXI<(outs), (ins blx_target:$target), BrMiscFrm, NoItinerary,
2088 "blx\t$target", []>,
2089 Requires<[IsARM, HasV5T]>, Sched<[WriteBrL]> {
2090 let Inst{31-25} = 0b1111101;
2092 let Inst{23-0} = target{24-1};
2093 let Inst{24} = target{0};
2096 // Branch and Exchange Jazelle
2097 def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
2098 [/* pattern left blank */]>, Sched<[WriteBr]> {
2100 let Inst{23-20} = 0b0010;
2101 let Inst{19-8} = 0xfff;
2102 let Inst{7-4} = 0b0010;
2103 let Inst{3-0} = func;
2108 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, Uses = [SP] in {
2109 def TCRETURNdi : PseudoInst<(outs), (ins i32imm:$dst), IIC_Br, []>,
2112 def TCRETURNri : PseudoInst<(outs), (ins tcGPR:$dst), IIC_Br, []>,
2115 def TAILJMPd : ARMPseudoExpand<(outs), (ins br_target:$dst),
2117 (Bcc br_target:$dst, (ops 14, zero_reg))>,
2118 Requires<[IsARM]>, Sched<[WriteBr]>;
2120 def TAILJMPr : ARMPseudoExpand<(outs), (ins tcGPR:$dst),
2122 (BX GPR:$dst)>, Sched<[WriteBr]>,
2126 // Secure Monitor Call is a system instruction.
2127 def SMC : ABI<0b0001, (outs), (ins imm0_15:$opt), NoItinerary, "smc", "\t$opt",
2128 []>, Requires<[IsARM, HasTrustZone]> {
2130 let Inst{23-4} = 0b01100000000000000111;
2131 let Inst{3-0} = opt;
2134 // Supervisor Call (Software Interrupt)
2135 let isCall = 1, Uses = [SP] in {
2136 def SVC : ABI<0b1111, (outs), (ins imm24b:$svc), IIC_Br, "svc", "\t$svc", []>,
2139 let Inst{23-0} = svc;
2143 // Store Return State
2144 class SRSI<bit wb, string asm>
2145 : XI<(outs), (ins imm0_31:$mode), AddrModeNone, 4, IndexModeNone, BrFrm,
2146 NoItinerary, asm, "", []> {
2148 let Inst{31-28} = 0b1111;
2149 let Inst{27-25} = 0b100;
2153 let Inst{19-16} = 0b1101; // SP
2154 let Inst{15-5} = 0b00000101000;
2155 let Inst{4-0} = mode;
2158 def SRSDA : SRSI<0, "srsda\tsp, $mode"> {
2159 let Inst{24-23} = 0;
2161 def SRSDA_UPD : SRSI<1, "srsda\tsp!, $mode"> {
2162 let Inst{24-23} = 0;
2164 def SRSDB : SRSI<0, "srsdb\tsp, $mode"> {
2165 let Inst{24-23} = 0b10;
2167 def SRSDB_UPD : SRSI<1, "srsdb\tsp!, $mode"> {
2168 let Inst{24-23} = 0b10;
2170 def SRSIA : SRSI<0, "srsia\tsp, $mode"> {
2171 let Inst{24-23} = 0b01;
2173 def SRSIA_UPD : SRSI<1, "srsia\tsp!, $mode"> {
2174 let Inst{24-23} = 0b01;
2176 def SRSIB : SRSI<0, "srsib\tsp, $mode"> {
2177 let Inst{24-23} = 0b11;
2179 def SRSIB_UPD : SRSI<1, "srsib\tsp!, $mode"> {
2180 let Inst{24-23} = 0b11;
2183 def : ARMInstAlias<"srsda $mode", (SRSDA imm0_31:$mode)>;
2184 def : ARMInstAlias<"srsda $mode!", (SRSDA_UPD imm0_31:$mode)>;
2186 def : ARMInstAlias<"srsdb $mode", (SRSDB imm0_31:$mode)>;
2187 def : ARMInstAlias<"srsdb $mode!", (SRSDB_UPD imm0_31:$mode)>;
2189 def : ARMInstAlias<"srsia $mode", (SRSIA imm0_31:$mode)>;
2190 def : ARMInstAlias<"srsia $mode!", (SRSIA_UPD imm0_31:$mode)>;
2192 def : ARMInstAlias<"srsib $mode", (SRSIB imm0_31:$mode)>;
2193 def : ARMInstAlias<"srsib $mode!", (SRSIB_UPD imm0_31:$mode)>;
2195 // Return From Exception
2196 class RFEI<bit wb, string asm>
2197 : XI<(outs), (ins GPR:$Rn), AddrModeNone, 4, IndexModeNone, BrFrm,
2198 NoItinerary, asm, "", []> {
2200 let Inst{31-28} = 0b1111;
2201 let Inst{27-25} = 0b100;
2205 let Inst{19-16} = Rn;
2206 let Inst{15-0} = 0xa00;
2209 def RFEDA : RFEI<0, "rfeda\t$Rn"> {
2210 let Inst{24-23} = 0;
2212 def RFEDA_UPD : RFEI<1, "rfeda\t$Rn!"> {
2213 let Inst{24-23} = 0;
2215 def RFEDB : RFEI<0, "rfedb\t$Rn"> {
2216 let Inst{24-23} = 0b10;
2218 def RFEDB_UPD : RFEI<1, "rfedb\t$Rn!"> {
2219 let Inst{24-23} = 0b10;
2221 def RFEIA : RFEI<0, "rfeia\t$Rn"> {
2222 let Inst{24-23} = 0b01;
2224 def RFEIA_UPD : RFEI<1, "rfeia\t$Rn!"> {
2225 let Inst{24-23} = 0b01;
2227 def RFEIB : RFEI<0, "rfeib\t$Rn"> {
2228 let Inst{24-23} = 0b11;
2230 def RFEIB_UPD : RFEI<1, "rfeib\t$Rn!"> {
2231 let Inst{24-23} = 0b11;
2234 //===----------------------------------------------------------------------===//
2235 // Load / Store Instructions.
2241 defm LDR : AI_ldr1<0, "ldr", IIC_iLoad_r, IIC_iLoad_si,
2242 UnOpFrag<(load node:$Src)>>;
2243 defm LDRB : AI_ldr1nopc<1, "ldrb", IIC_iLoad_bh_r, IIC_iLoad_bh_si,
2244 UnOpFrag<(zextloadi8 node:$Src)>>;
2245 defm STR : AI_str1<0, "str", IIC_iStore_r, IIC_iStore_si,
2246 BinOpFrag<(store node:$LHS, node:$RHS)>>;
2247 defm STRB : AI_str1nopc<1, "strb", IIC_iStore_bh_r, IIC_iStore_bh_si,
2248 BinOpFrag<(truncstorei8 node:$LHS, node:$RHS)>>;
2250 // Special LDR for loads from non-pc-relative constpools.
2251 let canFoldAsLoad = 1, mayLoad = 1, neverHasSideEffects = 1,
2252 isReMaterializable = 1, isCodeGenOnly = 1 in
2253 def LDRcp : AI2ldst<0b010, 1, 0, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
2254 AddrMode_i12, LdFrm, IIC_iLoad_r, "ldr", "\t$Rt, $addr",
2258 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2259 let Inst{19-16} = 0b1111;
2260 let Inst{15-12} = Rt;
2261 let Inst{11-0} = addr{11-0}; // imm12
2264 // Loads with zero extension
2265 def LDRH : AI3ld<0b1011, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
2266 IIC_iLoad_bh_r, "ldrh", "\t$Rt, $addr",
2267 [(set GPR:$Rt, (zextloadi16 addrmode3:$addr))]>;
2269 // Loads with sign extension
2270 def LDRSH : AI3ld<0b1111, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
2271 IIC_iLoad_bh_r, "ldrsh", "\t$Rt, $addr",
2272 [(set GPR:$Rt, (sextloadi16 addrmode3:$addr))]>;
2274 def LDRSB : AI3ld<0b1101, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
2275 IIC_iLoad_bh_r, "ldrsb", "\t$Rt, $addr",
2276 [(set GPR:$Rt, (sextloadi8 addrmode3:$addr))]>;
2278 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1 in {
2280 def LDRD : AI3ld<0b1101, 0, (outs GPR:$Rd, GPR:$dst2),
2281 (ins addrmode3:$addr), LdMiscFrm,
2282 IIC_iLoad_d_r, "ldrd", "\t$Rd, $dst2, $addr",
2283 []>, Requires<[IsARM, HasV5TE]>;
2287 multiclass AI2_ldridx<bit isByte, string opc,
2288 InstrItinClass iii, InstrItinClass iir> {
2289 def _PRE_IMM : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb),
2290 (ins addrmode_imm12_pre:$addr), IndexModePre, LdFrm, iii,
2291 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2294 let Inst{23} = addr{12};
2295 let Inst{19-16} = addr{16-13};
2296 let Inst{11-0} = addr{11-0};
2297 let DecoderMethod = "DecodeLDRPreImm";
2300 def _PRE_REG : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb),
2301 (ins ldst_so_reg:$addr), IndexModePre, LdFrm, iir,
2302 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2305 let Inst{23} = addr{12};
2306 let Inst{19-16} = addr{16-13};
2307 let Inst{11-0} = addr{11-0};
2309 let DecoderMethod = "DecodeLDRPreReg";
2312 def _POST_REG : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2313 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2314 IndexModePost, LdFrm, iir,
2315 opc, "\t$Rt, $addr, $offset",
2316 "$addr.base = $Rn_wb", []> {
2322 let Inst{23} = offset{12};
2323 let Inst{19-16} = addr;
2324 let Inst{11-0} = offset{11-0};
2327 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2330 def _POST_IMM : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2331 (ins addr_offset_none:$addr, am2offset_imm:$offset),
2332 IndexModePost, LdFrm, iii,
2333 opc, "\t$Rt, $addr, $offset",
2334 "$addr.base = $Rn_wb", []> {
2340 let Inst{23} = offset{12};
2341 let Inst{19-16} = addr;
2342 let Inst{11-0} = offset{11-0};
2344 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2349 let mayLoad = 1, neverHasSideEffects = 1 in {
2350 // FIXME: for LDR_PRE_REG etc. the itineray should be either IIC_iLoad_ru or
2351 // IIC_iLoad_siu depending on whether it the offset register is shifted.
2352 defm LDR : AI2_ldridx<0, "ldr", IIC_iLoad_iu, IIC_iLoad_ru>;
2353 defm LDRB : AI2_ldridx<1, "ldrb", IIC_iLoad_bh_iu, IIC_iLoad_bh_ru>;
2356 multiclass AI3_ldridx<bits<4> op, string opc, InstrItinClass itin> {
2357 def _PRE : AI3ldstidx<op, 1, 1, (outs GPR:$Rt, GPR:$Rn_wb),
2358 (ins addrmode3_pre:$addr), IndexModePre,
2360 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2362 let Inst{23} = addr{8}; // U bit
2363 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2364 let Inst{19-16} = addr{12-9}; // Rn
2365 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2366 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2367 let DecoderMethod = "DecodeAddrMode3Instruction";
2369 def _POST : AI3ldstidx<op, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2370 (ins addr_offset_none:$addr, am3offset:$offset),
2371 IndexModePost, LdMiscFrm, itin,
2372 opc, "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb",
2376 let Inst{23} = offset{8}; // U bit
2377 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2378 let Inst{19-16} = addr;
2379 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2380 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2381 let DecoderMethod = "DecodeAddrMode3Instruction";
2385 let mayLoad = 1, neverHasSideEffects = 1 in {
2386 defm LDRH : AI3_ldridx<0b1011, "ldrh", IIC_iLoad_bh_ru>;
2387 defm LDRSH : AI3_ldridx<0b1111, "ldrsh", IIC_iLoad_bh_ru>;
2388 defm LDRSB : AI3_ldridx<0b1101, "ldrsb", IIC_iLoad_bh_ru>;
2389 let hasExtraDefRegAllocReq = 1 in {
2390 def LDRD_PRE : AI3ldstidx<0b1101, 0, 1, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
2391 (ins addrmode3_pre:$addr), IndexModePre,
2392 LdMiscFrm, IIC_iLoad_d_ru,
2393 "ldrd", "\t$Rt, $Rt2, $addr!",
2394 "$addr.base = $Rn_wb", []> {
2396 let Inst{23} = addr{8}; // U bit
2397 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2398 let Inst{19-16} = addr{12-9}; // Rn
2399 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2400 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2401 let DecoderMethod = "DecodeAddrMode3Instruction";
2403 def LDRD_POST: AI3ldstidx<0b1101, 0, 0, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
2404 (ins addr_offset_none:$addr, am3offset:$offset),
2405 IndexModePost, LdMiscFrm, IIC_iLoad_d_ru,
2406 "ldrd", "\t$Rt, $Rt2, $addr, $offset",
2407 "$addr.base = $Rn_wb", []> {
2410 let Inst{23} = offset{8}; // U bit
2411 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2412 let Inst{19-16} = addr;
2413 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2414 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2415 let DecoderMethod = "DecodeAddrMode3Instruction";
2417 } // hasExtraDefRegAllocReq = 1
2418 } // mayLoad = 1, neverHasSideEffects = 1
2420 // LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT.
2421 let mayLoad = 1, neverHasSideEffects = 1 in {
2422 def LDRT_POST_REG : AI2ldstidx<1, 0, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2423 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2424 IndexModePost, LdFrm, IIC_iLoad_ru,
2425 "ldrt", "\t$Rt, $addr, $offset",
2426 "$addr.base = $Rn_wb", []> {
2432 let Inst{23} = offset{12};
2433 let Inst{21} = 1; // overwrite
2434 let Inst{19-16} = addr;
2435 let Inst{11-5} = offset{11-5};
2437 let Inst{3-0} = offset{3-0};
2438 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2441 def LDRT_POST_IMM : AI2ldstidx<1, 0, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2442 (ins addr_offset_none:$addr, am2offset_imm:$offset),
2443 IndexModePost, LdFrm, IIC_iLoad_ru,
2444 "ldrt", "\t$Rt, $addr, $offset",
2445 "$addr.base = $Rn_wb", []> {
2451 let Inst{23} = offset{12};
2452 let Inst{21} = 1; // overwrite
2453 let Inst{19-16} = addr;
2454 let Inst{11-0} = offset{11-0};
2455 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2458 def LDRBT_POST_REG : AI2ldstidx<1, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2459 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2460 IndexModePost, LdFrm, IIC_iLoad_bh_ru,
2461 "ldrbt", "\t$Rt, $addr, $offset",
2462 "$addr.base = $Rn_wb", []> {
2468 let Inst{23} = offset{12};
2469 let Inst{21} = 1; // overwrite
2470 let Inst{19-16} = addr;
2471 let Inst{11-5} = offset{11-5};
2473 let Inst{3-0} = offset{3-0};
2474 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2477 def LDRBT_POST_IMM : AI2ldstidx<1, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2478 (ins addr_offset_none:$addr, am2offset_imm:$offset),
2479 IndexModePost, LdFrm, IIC_iLoad_bh_ru,
2480 "ldrbt", "\t$Rt, $addr, $offset",
2481 "$addr.base = $Rn_wb", []> {
2487 let Inst{23} = offset{12};
2488 let Inst{21} = 1; // overwrite
2489 let Inst{19-16} = addr;
2490 let Inst{11-0} = offset{11-0};
2491 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2494 multiclass AI3ldrT<bits<4> op, string opc> {
2495 def i : AI3ldstidxT<op, 1, (outs GPR:$Rt, GPR:$base_wb),
2496 (ins addr_offset_none:$addr, postidx_imm8:$offset),
2497 IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru, opc,
2498 "\t$Rt, $addr, $offset", "$addr.base = $base_wb", []> {
2500 let Inst{23} = offset{8};
2502 let Inst{11-8} = offset{7-4};
2503 let Inst{3-0} = offset{3-0};
2505 def r : AI3ldstidxT<op, 1, (outs GPRnopc:$Rt, GPRnopc:$base_wb),
2506 (ins addr_offset_none:$addr, postidx_reg:$Rm),
2507 IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru, opc,
2508 "\t$Rt, $addr, $Rm", "$addr.base = $base_wb", []> {
2510 let Inst{23} = Rm{4};
2513 let Unpredictable{11-8} = 0b1111;
2514 let Inst{3-0} = Rm{3-0};
2515 let DecoderMethod = "DecodeLDR";
2519 defm LDRSBT : AI3ldrT<0b1101, "ldrsbt">;
2520 defm LDRHT : AI3ldrT<0b1011, "ldrht">;
2521 defm LDRSHT : AI3ldrT<0b1111, "ldrsht">;
2526 // Stores with truncate
2527 def STRH : AI3str<0b1011, (outs), (ins GPR:$Rt, addrmode3:$addr), StMiscFrm,
2528 IIC_iStore_bh_r, "strh", "\t$Rt, $addr",
2529 [(truncstorei16 GPR:$Rt, addrmode3:$addr)]>;
2532 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in
2533 def STRD : AI3str<0b1111, (outs), (ins GPR:$Rt, GPR:$src2, addrmode3:$addr),
2534 StMiscFrm, IIC_iStore_d_r,
2535 "strd", "\t$Rt, $src2, $addr", []>,
2536 Requires<[IsARM, HasV5TE]> {
2541 multiclass AI2_stridx<bit isByte, string opc,
2542 InstrItinClass iii, InstrItinClass iir> {
2543 def _PRE_IMM : AI2ldstidx<0, isByte, 1, (outs GPR:$Rn_wb),
2544 (ins GPR:$Rt, addrmode_imm12_pre:$addr), IndexModePre,
2546 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2549 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2550 let Inst{19-16} = addr{16-13}; // Rn
2551 let Inst{11-0} = addr{11-0}; // imm12
2552 let DecoderMethod = "DecodeSTRPreImm";
2555 def _PRE_REG : AI2ldstidx<0, isByte, 1, (outs GPR:$Rn_wb),
2556 (ins GPR:$Rt, ldst_so_reg:$addr),
2557 IndexModePre, StFrm, iir,
2558 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2561 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2562 let Inst{19-16} = addr{16-13}; // Rn
2563 let Inst{11-0} = addr{11-0};
2564 let Inst{4} = 0; // Inst{4} = 0
2565 let DecoderMethod = "DecodeSTRPreReg";
2567 def _POST_REG : AI2ldstidx<0, isByte, 0, (outs GPR:$Rn_wb),
2568 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_reg:$offset),
2569 IndexModePost, StFrm, iir,
2570 opc, "\t$Rt, $addr, $offset",
2571 "$addr.base = $Rn_wb", []> {
2577 let Inst{23} = offset{12};
2578 let Inst{19-16} = addr;
2579 let Inst{11-0} = offset{11-0};
2582 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2585 def _POST_IMM : AI2ldstidx<0, isByte, 0, (outs GPR:$Rn_wb),
2586 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_imm:$offset),
2587 IndexModePost, StFrm, iii,
2588 opc, "\t$Rt, $addr, $offset",
2589 "$addr.base = $Rn_wb", []> {
2595 let Inst{23} = offset{12};
2596 let Inst{19-16} = addr;
2597 let Inst{11-0} = offset{11-0};
2599 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2603 let mayStore = 1, neverHasSideEffects = 1 in {
2604 // FIXME: for STR_PRE_REG etc. the itineray should be either IIC_iStore_ru or
2605 // IIC_iStore_siu depending on whether it the offset register is shifted.
2606 defm STR : AI2_stridx<0, "str", IIC_iStore_iu, IIC_iStore_ru>;
2607 defm STRB : AI2_stridx<1, "strb", IIC_iStore_bh_iu, IIC_iStore_bh_ru>;
2610 def : ARMPat<(post_store GPR:$Rt, addr_offset_none:$addr,
2611 am2offset_reg:$offset),
2612 (STR_POST_REG GPR:$Rt, addr_offset_none:$addr,
2613 am2offset_reg:$offset)>;
2614 def : ARMPat<(post_store GPR:$Rt, addr_offset_none:$addr,
2615 am2offset_imm:$offset),
2616 (STR_POST_IMM GPR:$Rt, addr_offset_none:$addr,
2617 am2offset_imm:$offset)>;
2618 def : ARMPat<(post_truncsti8 GPR:$Rt, addr_offset_none:$addr,
2619 am2offset_reg:$offset),
2620 (STRB_POST_REG GPR:$Rt, addr_offset_none:$addr,
2621 am2offset_reg:$offset)>;
2622 def : ARMPat<(post_truncsti8 GPR:$Rt, addr_offset_none:$addr,
2623 am2offset_imm:$offset),
2624 (STRB_POST_IMM GPR:$Rt, addr_offset_none:$addr,
2625 am2offset_imm:$offset)>;
2627 // Pseudo-instructions for pattern matching the pre-indexed stores. We can't
2628 // put the patterns on the instruction definitions directly as ISel wants
2629 // the address base and offset to be separate operands, not a single
2630 // complex operand like we represent the instructions themselves. The
2631 // pseudos map between the two.
2632 let usesCustomInserter = 1,
2633 Constraints = "$Rn = $Rn_wb,@earlyclobber $Rn_wb" in {
2634 def STRi_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2635 (ins GPR:$Rt, GPR:$Rn, am2offset_imm:$offset, pred:$p),
2638 (pre_store GPR:$Rt, GPR:$Rn, am2offset_imm:$offset))]>;
2639 def STRr_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2640 (ins GPR:$Rt, GPR:$Rn, am2offset_reg:$offset, pred:$p),
2643 (pre_store GPR:$Rt, GPR:$Rn, am2offset_reg:$offset))]>;
2644 def STRBi_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2645 (ins GPR:$Rt, GPR:$Rn, am2offset_imm:$offset, pred:$p),
2648 (pre_truncsti8 GPR:$Rt, GPR:$Rn, am2offset_imm:$offset))]>;
2649 def STRBr_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2650 (ins GPR:$Rt, GPR:$Rn, am2offset_reg:$offset, pred:$p),
2653 (pre_truncsti8 GPR:$Rt, GPR:$Rn, am2offset_reg:$offset))]>;
2654 def STRH_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2655 (ins GPR:$Rt, GPR:$Rn, am3offset:$offset, pred:$p),
2658 (pre_truncsti16 GPR:$Rt, GPR:$Rn, am3offset:$offset))]>;
2663 def STRH_PRE : AI3ldstidx<0b1011, 0, 1, (outs GPR:$Rn_wb),
2664 (ins GPR:$Rt, addrmode3_pre:$addr), IndexModePre,
2665 StMiscFrm, IIC_iStore_bh_ru,
2666 "strh", "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2668 let Inst{23} = addr{8}; // U bit
2669 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2670 let Inst{19-16} = addr{12-9}; // Rn
2671 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2672 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2673 let DecoderMethod = "DecodeAddrMode3Instruction";
2676 def STRH_POST : AI3ldstidx<0b1011, 0, 0, (outs GPR:$Rn_wb),
2677 (ins GPR:$Rt, addr_offset_none:$addr, am3offset:$offset),
2678 IndexModePost, StMiscFrm, IIC_iStore_bh_ru,
2679 "strh", "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb",
2680 [(set GPR:$Rn_wb, (post_truncsti16 GPR:$Rt,
2681 addr_offset_none:$addr,
2682 am3offset:$offset))]> {
2685 let Inst{23} = offset{8}; // U bit
2686 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2687 let Inst{19-16} = addr;
2688 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2689 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2690 let DecoderMethod = "DecodeAddrMode3Instruction";
2693 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in {
2694 def STRD_PRE : AI3ldstidx<0b1111, 0, 1, (outs GPR:$Rn_wb),
2695 (ins GPR:$Rt, GPR:$Rt2, addrmode3_pre:$addr),
2696 IndexModePre, StMiscFrm, IIC_iStore_d_ru,
2697 "strd", "\t$Rt, $Rt2, $addr!",
2698 "$addr.base = $Rn_wb", []> {
2700 let Inst{23} = addr{8}; // U bit
2701 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2702 let Inst{19-16} = addr{12-9}; // Rn
2703 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2704 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2705 let DecoderMethod = "DecodeAddrMode3Instruction";
2708 def STRD_POST: AI3ldstidx<0b1111, 0, 0, (outs GPR:$Rn_wb),
2709 (ins GPR:$Rt, GPR:$Rt2, addr_offset_none:$addr,
2711 IndexModePost, StMiscFrm, IIC_iStore_d_ru,
2712 "strd", "\t$Rt, $Rt2, $addr, $offset",
2713 "$addr.base = $Rn_wb", []> {
2716 let Inst{23} = offset{8}; // U bit
2717 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2718 let Inst{19-16} = addr;
2719 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2720 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2721 let DecoderMethod = "DecodeAddrMode3Instruction";
2723 } // mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1
2725 // STRT, STRBT, and STRHT
2727 def STRBT_POST_REG : AI2ldstidx<0, 1, 0, (outs GPR:$Rn_wb),
2728 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_reg:$offset),
2729 IndexModePost, StFrm, IIC_iStore_bh_ru,
2730 "strbt", "\t$Rt, $addr, $offset",
2731 "$addr.base = $Rn_wb", []> {
2737 let Inst{23} = offset{12};
2738 let Inst{21} = 1; // overwrite
2739 let Inst{19-16} = addr;
2740 let Inst{11-5} = offset{11-5};
2742 let Inst{3-0} = offset{3-0};
2743 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2746 def STRBT_POST_IMM : AI2ldstidx<0, 1, 0, (outs GPR:$Rn_wb),
2747 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_imm:$offset),
2748 IndexModePost, StFrm, IIC_iStore_bh_ru,
2749 "strbt", "\t$Rt, $addr, $offset",
2750 "$addr.base = $Rn_wb", []> {
2756 let Inst{23} = offset{12};
2757 let Inst{21} = 1; // overwrite
2758 let Inst{19-16} = addr;
2759 let Inst{11-0} = offset{11-0};
2760 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2763 let mayStore = 1, neverHasSideEffects = 1 in {
2764 def STRT_POST_REG : AI2ldstidx<0, 0, 0, (outs GPR:$Rn_wb),
2765 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_reg:$offset),
2766 IndexModePost, StFrm, IIC_iStore_ru,
2767 "strt", "\t$Rt, $addr, $offset",
2768 "$addr.base = $Rn_wb", []> {
2774 let Inst{23} = offset{12};
2775 let Inst{21} = 1; // overwrite
2776 let Inst{19-16} = addr;
2777 let Inst{11-5} = offset{11-5};
2779 let Inst{3-0} = offset{3-0};
2780 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2783 def STRT_POST_IMM : AI2ldstidx<0, 0, 0, (outs GPR:$Rn_wb),
2784 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_imm:$offset),
2785 IndexModePost, StFrm, IIC_iStore_ru,
2786 "strt", "\t$Rt, $addr, $offset",
2787 "$addr.base = $Rn_wb", []> {
2793 let Inst{23} = offset{12};
2794 let Inst{21} = 1; // overwrite
2795 let Inst{19-16} = addr;
2796 let Inst{11-0} = offset{11-0};
2797 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2802 multiclass AI3strT<bits<4> op, string opc> {
2803 def i : AI3ldstidxT<op, 0, (outs GPR:$base_wb),
2804 (ins GPR:$Rt, addr_offset_none:$addr, postidx_imm8:$offset),
2805 IndexModePost, StMiscFrm, IIC_iStore_bh_ru, opc,
2806 "\t$Rt, $addr, $offset", "$addr.base = $base_wb", []> {
2808 let Inst{23} = offset{8};
2810 let Inst{11-8} = offset{7-4};
2811 let Inst{3-0} = offset{3-0};
2813 def r : AI3ldstidxT<op, 0, (outs GPR:$base_wb),
2814 (ins GPR:$Rt, addr_offset_none:$addr, postidx_reg:$Rm),
2815 IndexModePost, StMiscFrm, IIC_iStore_bh_ru, opc,
2816 "\t$Rt, $addr, $Rm", "$addr.base = $base_wb", []> {
2818 let Inst{23} = Rm{4};
2821 let Inst{3-0} = Rm{3-0};
2826 defm STRHT : AI3strT<0b1011, "strht">;
2829 //===----------------------------------------------------------------------===//
2830 // Load / store multiple Instructions.
2833 multiclass arm_ldst_mult<string asm, string sfx, bit L_bit, bit P_bit, Format f,
2834 InstrItinClass itin, InstrItinClass itin_upd> {
2835 // IA is the default, so no need for an explicit suffix on the
2836 // mnemonic here. Without it is the canonical spelling.
2838 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2839 IndexModeNone, f, itin,
2840 !strconcat(asm, "${p}\t$Rn, $regs", sfx), "", []> {
2841 let Inst{24-23} = 0b01; // Increment After
2842 let Inst{22} = P_bit;
2843 let Inst{21} = 0; // No writeback
2844 let Inst{20} = L_bit;
2847 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2848 IndexModeUpd, f, itin_upd,
2849 !strconcat(asm, "${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
2850 let Inst{24-23} = 0b01; // Increment After
2851 let Inst{22} = P_bit;
2852 let Inst{21} = 1; // Writeback
2853 let Inst{20} = L_bit;
2855 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
2858 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2859 IndexModeNone, f, itin,
2860 !strconcat(asm, "da${p}\t$Rn, $regs", sfx), "", []> {
2861 let Inst{24-23} = 0b00; // Decrement After
2862 let Inst{22} = P_bit;
2863 let Inst{21} = 0; // No writeback
2864 let Inst{20} = L_bit;
2867 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2868 IndexModeUpd, f, itin_upd,
2869 !strconcat(asm, "da${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
2870 let Inst{24-23} = 0b00; // Decrement After
2871 let Inst{22} = P_bit;
2872 let Inst{21} = 1; // Writeback
2873 let Inst{20} = L_bit;
2875 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
2878 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2879 IndexModeNone, f, itin,
2880 !strconcat(asm, "db${p}\t$Rn, $regs", sfx), "", []> {
2881 let Inst{24-23} = 0b10; // Decrement Before
2882 let Inst{22} = P_bit;
2883 let Inst{21} = 0; // No writeback
2884 let Inst{20} = L_bit;
2887 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2888 IndexModeUpd, f, itin_upd,
2889 !strconcat(asm, "db${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
2890 let Inst{24-23} = 0b10; // Decrement Before
2891 let Inst{22} = P_bit;
2892 let Inst{21} = 1; // Writeback
2893 let Inst{20} = L_bit;
2895 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
2898 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2899 IndexModeNone, f, itin,
2900 !strconcat(asm, "ib${p}\t$Rn, $regs", sfx), "", []> {
2901 let Inst{24-23} = 0b11; // Increment Before
2902 let Inst{22} = P_bit;
2903 let Inst{21} = 0; // No writeback
2904 let Inst{20} = L_bit;
2907 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2908 IndexModeUpd, f, itin_upd,
2909 !strconcat(asm, "ib${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
2910 let Inst{24-23} = 0b11; // Increment Before
2911 let Inst{22} = P_bit;
2912 let Inst{21} = 1; // Writeback
2913 let Inst{20} = L_bit;
2915 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
2919 let neverHasSideEffects = 1 in {
2921 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
2922 defm LDM : arm_ldst_mult<"ldm", "", 1, 0, LdStMulFrm, IIC_iLoad_m,
2925 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
2926 defm STM : arm_ldst_mult<"stm", "", 0, 0, LdStMulFrm, IIC_iStore_m,
2929 } // neverHasSideEffects
2931 // FIXME: remove when we have a way to marking a MI with these properties.
2932 // FIXME: Should pc be an implicit operand like PICADD, etc?
2933 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
2934 hasExtraDefRegAllocReq = 1, isCodeGenOnly = 1 in
2935 def LDMIA_RET : ARMPseudoExpand<(outs GPR:$wb), (ins GPR:$Rn, pred:$p,
2936 reglist:$regs, variable_ops),
2937 4, IIC_iLoad_mBr, [],
2938 (LDMIA_UPD GPR:$wb, GPR:$Rn, pred:$p, reglist:$regs)>,
2939 RegConstraint<"$Rn = $wb">;
2941 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
2942 defm sysLDM : arm_ldst_mult<"ldm", " ^", 1, 1, LdStMulFrm, IIC_iLoad_m,
2945 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
2946 defm sysSTM : arm_ldst_mult<"stm", " ^", 0, 1, LdStMulFrm, IIC_iStore_m,
2951 //===----------------------------------------------------------------------===//
2952 // Move Instructions.
2955 let neverHasSideEffects = 1 in
2956 def MOVr : AsI1<0b1101, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMOVr,
2957 "mov", "\t$Rd, $Rm", []>, UnaryDP, Sched<[WriteALU]> {
2961 let Inst{19-16} = 0b0000;
2962 let Inst{11-4} = 0b00000000;
2965 let Inst{15-12} = Rd;
2968 // A version for the smaller set of tail call registers.
2969 let neverHasSideEffects = 1 in
2970 def MOVr_TC : AsI1<0b1101, (outs tcGPR:$Rd), (ins tcGPR:$Rm), DPFrm,
2971 IIC_iMOVr, "mov", "\t$Rd, $Rm", []>, UnaryDP, Sched<[WriteALU]> {
2975 let Inst{11-4} = 0b00000000;
2978 let Inst{15-12} = Rd;
2981 def MOVsr : AsI1<0b1101, (outs GPRnopc:$Rd), (ins shift_so_reg_reg:$src),
2982 DPSoRegRegFrm, IIC_iMOVsr,
2983 "mov", "\t$Rd, $src",
2984 [(set GPRnopc:$Rd, shift_so_reg_reg:$src)]>, UnaryDP,
2988 let Inst{15-12} = Rd;
2989 let Inst{19-16} = 0b0000;
2990 let Inst{11-8} = src{11-8};
2992 let Inst{6-5} = src{6-5};
2994 let Inst{3-0} = src{3-0};
2998 def MOVsi : AsI1<0b1101, (outs GPR:$Rd), (ins shift_so_reg_imm:$src),
2999 DPSoRegImmFrm, IIC_iMOVsr,
3000 "mov", "\t$Rd, $src", [(set GPR:$Rd, shift_so_reg_imm:$src)]>,
3001 UnaryDP, Sched<[WriteALU]> {
3004 let Inst{15-12} = Rd;
3005 let Inst{19-16} = 0b0000;
3006 let Inst{11-5} = src{11-5};
3008 let Inst{3-0} = src{3-0};
3012 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
3013 def MOVi : AsI1<0b1101, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm, IIC_iMOVi,
3014 "mov", "\t$Rd, $imm", [(set GPR:$Rd, so_imm:$imm)]>, UnaryDP,
3019 let Inst{15-12} = Rd;
3020 let Inst{19-16} = 0b0000;
3021 let Inst{11-0} = imm;
3024 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
3025 def MOVi16 : AI1<0b1000, (outs GPR:$Rd), (ins imm0_65535_expr:$imm),
3027 "movw", "\t$Rd, $imm",
3028 [(set GPR:$Rd, imm0_65535:$imm)]>,
3029 Requires<[IsARM, HasV6T2]>, UnaryDP, Sched<[WriteALU]> {
3032 let Inst{15-12} = Rd;
3033 let Inst{11-0} = imm{11-0};
3034 let Inst{19-16} = imm{15-12};
3037 let DecoderMethod = "DecodeArmMOVTWInstruction";
3040 def : InstAlias<"mov${p} $Rd, $imm",
3041 (MOVi16 GPR:$Rd, imm0_65535_expr:$imm, pred:$p)>,
3044 def MOVi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
3045 (ins i32imm:$addr, pclabel:$id), IIC_iMOVi, []>,
3048 let Constraints = "$src = $Rd" in {
3049 def MOVTi16 : AI1<0b1010, (outs GPRnopc:$Rd),
3050 (ins GPR:$src, imm0_65535_expr:$imm),
3052 "movt", "\t$Rd, $imm",
3054 (or (and GPR:$src, 0xffff),
3055 lo16AllZero:$imm))]>, UnaryDP,
3056 Requires<[IsARM, HasV6T2]>, Sched<[WriteALU]> {
3059 let Inst{15-12} = Rd;
3060 let Inst{11-0} = imm{11-0};
3061 let Inst{19-16} = imm{15-12};
3064 let DecoderMethod = "DecodeArmMOVTWInstruction";
3067 def MOVTi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
3068 (ins GPR:$src, i32imm:$addr, pclabel:$id), IIC_iMOVi, []>,
3073 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
3074 Requires<[IsARM, HasV6T2]>;
3076 let Uses = [CPSR] in
3077 def RRX: PseudoInst<(outs GPR:$Rd), (ins GPR:$Rm), IIC_iMOVsi,
3078 [(set GPR:$Rd, (ARMrrx GPR:$Rm))]>, UnaryDP,
3079 Requires<[IsARM]>, Sched<[WriteALU]>;
3081 // These aren't really mov instructions, but we have to define them this way
3082 // due to flag operands.
3084 let Defs = [CPSR] in {
3085 def MOVsrl_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
3086 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP,
3087 Sched<[WriteALU]>, Requires<[IsARM]>;
3088 def MOVsra_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
3089 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP,
3090 Sched<[WriteALU]>, Requires<[IsARM]>;
3093 //===----------------------------------------------------------------------===//
3094 // Extend Instructions.
3099 def SXTB : AI_ext_rrot<0b01101010,
3100 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
3101 def SXTH : AI_ext_rrot<0b01101011,
3102 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
3104 def SXTAB : AI_exta_rrot<0b01101010,
3105 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
3106 def SXTAH : AI_exta_rrot<0b01101011,
3107 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
3109 def SXTB16 : AI_ext_rrot_np<0b01101000, "sxtb16">;
3111 def SXTAB16 : AI_exta_rrot_np<0b01101000, "sxtab16">;
3115 let AddedComplexity = 16 in {
3116 def UXTB : AI_ext_rrot<0b01101110,
3117 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
3118 def UXTH : AI_ext_rrot<0b01101111,
3119 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
3120 def UXTB16 : AI_ext_rrot<0b01101100,
3121 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
3123 // FIXME: This pattern incorrectly assumes the shl operator is a rotate.
3124 // The transformation should probably be done as a combiner action
3125 // instead so we can include a check for masking back in the upper
3126 // eight bits of the source into the lower eight bits of the result.
3127 //def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
3128 // (UXTB16r_rot GPR:$Src, 3)>;
3129 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
3130 (UXTB16 GPR:$Src, 1)>;
3132 def UXTAB : AI_exta_rrot<0b01101110, "uxtab",
3133 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
3134 def UXTAH : AI_exta_rrot<0b01101111, "uxtah",
3135 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
3138 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
3139 def UXTAB16 : AI_exta_rrot_np<0b01101100, "uxtab16">;
3142 def SBFX : I<(outs GPRnopc:$Rd),
3143 (ins GPRnopc:$Rn, imm0_31:$lsb, imm1_32:$width),
3144 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3145 "sbfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
3146 Requires<[IsARM, HasV6T2]> {
3151 let Inst{27-21} = 0b0111101;
3152 let Inst{6-4} = 0b101;
3153 let Inst{20-16} = width;
3154 let Inst{15-12} = Rd;
3155 let Inst{11-7} = lsb;
3159 def UBFX : I<(outs GPR:$Rd),
3160 (ins GPR:$Rn, imm0_31:$lsb, imm1_32:$width),
3161 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3162 "ubfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
3163 Requires<[IsARM, HasV6T2]> {
3168 let Inst{27-21} = 0b0111111;
3169 let Inst{6-4} = 0b101;
3170 let Inst{20-16} = width;
3171 let Inst{15-12} = Rd;
3172 let Inst{11-7} = lsb;
3176 //===----------------------------------------------------------------------===//
3177 // Arithmetic Instructions.
3180 defm ADD : AsI1_bin_irs<0b0100, "add",
3181 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3182 BinOpFrag<(add node:$LHS, node:$RHS)>, 1>;
3183 defm SUB : AsI1_bin_irs<0b0010, "sub",
3184 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3185 BinOpFrag<(sub node:$LHS, node:$RHS)>>;
3187 // ADD and SUB with 's' bit set.
3189 // Currently, ADDS/SUBS are pseudo opcodes that exist only in the
3190 // selection DAG. They are "lowered" to real ADD/SUB opcodes by
3191 // AdjustInstrPostInstrSelection where we determine whether or not to
3192 // set the "s" bit based on CPSR liveness.
3194 // FIXME: Eliminate ADDS/SUBS pseudo opcodes after adding tablegen
3195 // support for an optional CPSR definition that corresponds to the DAG
3196 // node's second value. We can then eliminate the implicit def of CPSR.
3197 defm ADDS : AsI1_bin_s_irs<IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3198 BinOpFrag<(ARMaddc node:$LHS, node:$RHS)>, 1>;
3199 defm SUBS : AsI1_bin_s_irs<IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3200 BinOpFrag<(ARMsubc node:$LHS, node:$RHS)>>;
3202 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
3203 BinOpWithFlagFrag<(ARMadde node:$LHS, node:$RHS, node:$FLAG)>, 1>;
3204 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
3205 BinOpWithFlagFrag<(ARMsube node:$LHS, node:$RHS, node:$FLAG)>>;
3207 defm RSB : AsI1_rbin_irs<0b0011, "rsb",
3208 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3209 BinOpFrag<(sub node:$LHS, node:$RHS)>>;
3211 // FIXME: Eliminate them if we can write def : Pat patterns which defines
3212 // CPSR and the implicit def of CPSR is not needed.
3213 defm RSBS : AsI1_rbin_s_is<IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3214 BinOpFrag<(ARMsubc node:$LHS, node:$RHS)>>;
3216 defm RSC : AI1_rsc_irs<0b0111, "rsc",
3217 BinOpWithFlagFrag<(ARMsube node:$LHS, node:$RHS, node:$FLAG)>>;
3219 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
3220 // The assume-no-carry-in form uses the negation of the input since add/sub
3221 // assume opposite meanings of the carry flag (i.e., carry == !borrow).
3222 // See the definition of AddWithCarry() in the ARM ARM A2.2.1 for the gory
3224 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
3225 (SUBri GPR:$src, so_imm_neg:$imm)>;
3226 def : ARMPat<(ARMaddc GPR:$src, so_imm_neg:$imm),
3227 (SUBSri GPR:$src, so_imm_neg:$imm)>;
3229 def : ARMPat<(add GPR:$src, imm0_65535_neg:$imm),
3230 (SUBrr GPR:$src, (MOVi16 (imm_neg_XFORM imm:$imm)))>,
3231 Requires<[IsARM, HasV6T2]>;
3232 def : ARMPat<(ARMaddc GPR:$src, imm0_65535_neg:$imm),
3233 (SUBSrr GPR:$src, (MOVi16 (imm_neg_XFORM imm:$imm)))>,
3234 Requires<[IsARM, HasV6T2]>;
3236 // The with-carry-in form matches bitwise not instead of the negation.
3237 // Effectively, the inverse interpretation of the carry flag already accounts
3238 // for part of the negation.
3239 def : ARMPat<(ARMadde GPR:$src, so_imm_not:$imm, CPSR),
3240 (SBCri GPR:$src, so_imm_not:$imm)>;
3241 def : ARMPat<(ARMadde GPR:$src, imm0_65535_neg:$imm, CPSR),
3242 (SBCrr GPR:$src, (MOVi16 (imm_not_XFORM imm:$imm)))>;
3244 // Note: These are implemented in C++ code, because they have to generate
3245 // ADD/SUBrs instructions, which use a complex pattern that a xform function
3247 // (mul X, 2^n+1) -> (add (X << n), X)
3248 // (mul X, 2^n-1) -> (rsb X, (X << n))
3250 // ARM Arithmetic Instruction
3251 // GPR:$dst = GPR:$a op GPR:$b
3252 class AAI<bits<8> op27_20, bits<8> op11_4, string opc,
3253 list<dag> pattern = [],
3254 dag iops = (ins GPRnopc:$Rn, GPRnopc:$Rm),
3255 string asm = "\t$Rd, $Rn, $Rm">
3256 : AI<(outs GPRnopc:$Rd), iops, DPFrm, IIC_iALUr, opc, asm, pattern>,
3257 Sched<[WriteALU, ReadALU, ReadALU]> {
3261 let Inst{27-20} = op27_20;
3262 let Inst{11-4} = op11_4;
3263 let Inst{19-16} = Rn;
3264 let Inst{15-12} = Rd;
3267 let Unpredictable{11-8} = 0b1111;
3270 // Saturating add/subtract
3272 let DecoderMethod = "DecodeQADDInstruction" in
3273 def QADD : AAI<0b00010000, 0b00000101, "qadd",
3274 [(set GPRnopc:$Rd, (int_arm_qadd GPRnopc:$Rm, GPRnopc:$Rn))],
3275 (ins GPRnopc:$Rm, GPRnopc:$Rn), "\t$Rd, $Rm, $Rn">;
3277 def QSUB : AAI<0b00010010, 0b00000101, "qsub",
3278 [(set GPRnopc:$Rd, (int_arm_qsub GPRnopc:$Rm, GPRnopc:$Rn))],
3279 (ins GPRnopc:$Rm, GPRnopc:$Rn), "\t$Rd, $Rm, $Rn">;
3280 def QDADD : AAI<0b00010100, 0b00000101, "qdadd", [],
3281 (ins GPRnopc:$Rm, GPRnopc:$Rn),
3283 def QDSUB : AAI<0b00010110, 0b00000101, "qdsub", [],
3284 (ins GPRnopc:$Rm, GPRnopc:$Rn),
3287 def QADD16 : AAI<0b01100010, 0b11110001, "qadd16">;
3288 def QADD8 : AAI<0b01100010, 0b11111001, "qadd8">;
3289 def QASX : AAI<0b01100010, 0b11110011, "qasx">;
3290 def QSAX : AAI<0b01100010, 0b11110101, "qsax">;
3291 def QSUB16 : AAI<0b01100010, 0b11110111, "qsub16">;
3292 def QSUB8 : AAI<0b01100010, 0b11111111, "qsub8">;
3293 def UQADD16 : AAI<0b01100110, 0b11110001, "uqadd16">;
3294 def UQADD8 : AAI<0b01100110, 0b11111001, "uqadd8">;
3295 def UQASX : AAI<0b01100110, 0b11110011, "uqasx">;
3296 def UQSAX : AAI<0b01100110, 0b11110101, "uqsax">;
3297 def UQSUB16 : AAI<0b01100110, 0b11110111, "uqsub16">;
3298 def UQSUB8 : AAI<0b01100110, 0b11111111, "uqsub8">;
3300 // Signed/Unsigned add/subtract
3302 def SASX : AAI<0b01100001, 0b11110011, "sasx">;
3303 def SADD16 : AAI<0b01100001, 0b11110001, "sadd16">;
3304 def SADD8 : AAI<0b01100001, 0b11111001, "sadd8">;
3305 def SSAX : AAI<0b01100001, 0b11110101, "ssax">;
3306 def SSUB16 : AAI<0b01100001, 0b11110111, "ssub16">;
3307 def SSUB8 : AAI<0b01100001, 0b11111111, "ssub8">;
3308 def UASX : AAI<0b01100101, 0b11110011, "uasx">;
3309 def UADD16 : AAI<0b01100101, 0b11110001, "uadd16">;
3310 def UADD8 : AAI<0b01100101, 0b11111001, "uadd8">;
3311 def USAX : AAI<0b01100101, 0b11110101, "usax">;
3312 def USUB16 : AAI<0b01100101, 0b11110111, "usub16">;
3313 def USUB8 : AAI<0b01100101, 0b11111111, "usub8">;
3315 // Signed/Unsigned halving add/subtract
3317 def SHASX : AAI<0b01100011, 0b11110011, "shasx">;
3318 def SHADD16 : AAI<0b01100011, 0b11110001, "shadd16">;
3319 def SHADD8 : AAI<0b01100011, 0b11111001, "shadd8">;
3320 def SHSAX : AAI<0b01100011, 0b11110101, "shsax">;
3321 def SHSUB16 : AAI<0b01100011, 0b11110111, "shsub16">;
3322 def SHSUB8 : AAI<0b01100011, 0b11111111, "shsub8">;
3323 def UHASX : AAI<0b01100111, 0b11110011, "uhasx">;
3324 def UHADD16 : AAI<0b01100111, 0b11110001, "uhadd16">;
3325 def UHADD8 : AAI<0b01100111, 0b11111001, "uhadd8">;
3326 def UHSAX : AAI<0b01100111, 0b11110101, "uhsax">;
3327 def UHSUB16 : AAI<0b01100111, 0b11110111, "uhsub16">;
3328 def UHSUB8 : AAI<0b01100111, 0b11111111, "uhsub8">;
3330 // Unsigned Sum of Absolute Differences [and Accumulate].
3332 def USAD8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3333 MulFrm /* for convenience */, NoItinerary, "usad8",
3334 "\t$Rd, $Rn, $Rm", []>,
3335 Requires<[IsARM, HasV6]>, Sched<[WriteALU, ReadALU, ReadALU]> {
3339 let Inst{27-20} = 0b01111000;
3340 let Inst{15-12} = 0b1111;
3341 let Inst{7-4} = 0b0001;
3342 let Inst{19-16} = Rd;
3343 let Inst{11-8} = Rm;
3346 def USADA8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3347 MulFrm /* for convenience */, NoItinerary, "usada8",
3348 "\t$Rd, $Rn, $Rm, $Ra", []>,
3349 Requires<[IsARM, HasV6]>, Sched<[WriteALU, ReadALU, ReadALU]>{
3354 let Inst{27-20} = 0b01111000;
3355 let Inst{7-4} = 0b0001;
3356 let Inst{19-16} = Rd;
3357 let Inst{15-12} = Ra;
3358 let Inst{11-8} = Rm;
3362 // Signed/Unsigned saturate
3364 def SSAT : AI<(outs GPRnopc:$Rd),
3365 (ins imm1_32:$sat_imm, GPRnopc:$Rn, shift_imm:$sh),
3366 SatFrm, NoItinerary, "ssat", "\t$Rd, $sat_imm, $Rn$sh", []> {
3371 let Inst{27-21} = 0b0110101;
3372 let Inst{5-4} = 0b01;
3373 let Inst{20-16} = sat_imm;
3374 let Inst{15-12} = Rd;
3375 let Inst{11-7} = sh{4-0};
3376 let Inst{6} = sh{5};
3380 def SSAT16 : AI<(outs GPRnopc:$Rd),
3381 (ins imm1_16:$sat_imm, GPRnopc:$Rn), SatFrm,
3382 NoItinerary, "ssat16", "\t$Rd, $sat_imm, $Rn", []> {
3386 let Inst{27-20} = 0b01101010;
3387 let Inst{11-4} = 0b11110011;
3388 let Inst{15-12} = Rd;
3389 let Inst{19-16} = sat_imm;
3393 def USAT : AI<(outs GPRnopc:$Rd),
3394 (ins imm0_31:$sat_imm, GPRnopc:$Rn, shift_imm:$sh),
3395 SatFrm, NoItinerary, "usat", "\t$Rd, $sat_imm, $Rn$sh", []> {
3400 let Inst{27-21} = 0b0110111;
3401 let Inst{5-4} = 0b01;
3402 let Inst{15-12} = Rd;
3403 let Inst{11-7} = sh{4-0};
3404 let Inst{6} = sh{5};
3405 let Inst{20-16} = sat_imm;
3409 def USAT16 : AI<(outs GPRnopc:$Rd),
3410 (ins imm0_15:$sat_imm, GPRnopc:$Rn), SatFrm,
3411 NoItinerary, "usat16", "\t$Rd, $sat_imm, $Rn", []> {
3415 let Inst{27-20} = 0b01101110;
3416 let Inst{11-4} = 0b11110011;
3417 let Inst{15-12} = Rd;
3418 let Inst{19-16} = sat_imm;
3422 def : ARMV6Pat<(int_arm_ssat GPRnopc:$a, imm:$pos),
3423 (SSAT imm:$pos, GPRnopc:$a, 0)>;
3424 def : ARMV6Pat<(int_arm_usat GPRnopc:$a, imm:$pos),
3425 (USAT imm:$pos, GPRnopc:$a, 0)>;
3427 //===----------------------------------------------------------------------===//
3428 // Bitwise Instructions.
3431 defm AND : AsI1_bin_irs<0b0000, "and",
3432 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3433 BinOpFrag<(and node:$LHS, node:$RHS)>, 1>;
3434 defm ORR : AsI1_bin_irs<0b1100, "orr",
3435 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3436 BinOpFrag<(or node:$LHS, node:$RHS)>, 1>;
3437 defm EOR : AsI1_bin_irs<0b0001, "eor",
3438 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3439 BinOpFrag<(xor node:$LHS, node:$RHS)>, 1>;
3440 defm BIC : AsI1_bin_irs<0b1110, "bic",
3441 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3442 BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
3444 // FIXME: bf_inv_mask_imm should be two operands, the lsb and the msb, just
3445 // like in the actual instruction encoding. The complexity of mapping the mask
3446 // to the lsb/msb pair should be handled by ISel, not encapsulated in the
3447 // instruction description.
3448 def BFC : I<(outs GPR:$Rd), (ins GPR:$src, bf_inv_mask_imm:$imm),
3449 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3450 "bfc", "\t$Rd, $imm", "$src = $Rd",
3451 [(set GPR:$Rd, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
3452 Requires<[IsARM, HasV6T2]> {
3455 let Inst{27-21} = 0b0111110;
3456 let Inst{6-0} = 0b0011111;
3457 let Inst{15-12} = Rd;
3458 let Inst{11-7} = imm{4-0}; // lsb
3459 let Inst{20-16} = imm{9-5}; // msb
3462 // A8.6.18 BFI - Bitfield insert (Encoding A1)
3463 def BFI:I<(outs GPRnopc:$Rd), (ins GPRnopc:$src, GPR:$Rn, bf_inv_mask_imm:$imm),
3464 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3465 "bfi", "\t$Rd, $Rn, $imm", "$src = $Rd",
3466 [(set GPRnopc:$Rd, (ARMbfi GPRnopc:$src, GPR:$Rn,
3467 bf_inv_mask_imm:$imm))]>,
3468 Requires<[IsARM, HasV6T2]> {
3472 let Inst{27-21} = 0b0111110;
3473 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
3474 let Inst{15-12} = Rd;
3475 let Inst{11-7} = imm{4-0}; // lsb
3476 let Inst{20-16} = imm{9-5}; // width
3480 def MVNr : AsI1<0b1111, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMVNr,
3481 "mvn", "\t$Rd, $Rm",
3482 [(set GPR:$Rd, (not GPR:$Rm))]>, UnaryDP, Sched<[WriteALU]> {
3486 let Inst{19-16} = 0b0000;
3487 let Inst{11-4} = 0b00000000;
3488 let Inst{15-12} = Rd;
3491 def MVNsi : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg_imm:$shift),
3492 DPSoRegImmFrm, IIC_iMVNsr, "mvn", "\t$Rd, $shift",
3493 [(set GPR:$Rd, (not so_reg_imm:$shift))]>, UnaryDP,
3498 let Inst{19-16} = 0b0000;
3499 let Inst{15-12} = Rd;
3500 let Inst{11-5} = shift{11-5};
3502 let Inst{3-0} = shift{3-0};
3504 def MVNsr : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg_reg:$shift),
3505 DPSoRegRegFrm, IIC_iMVNsr, "mvn", "\t$Rd, $shift",
3506 [(set GPR:$Rd, (not so_reg_reg:$shift))]>, UnaryDP,
3511 let Inst{19-16} = 0b0000;
3512 let Inst{15-12} = Rd;
3513 let Inst{11-8} = shift{11-8};
3515 let Inst{6-5} = shift{6-5};
3517 let Inst{3-0} = shift{3-0};
3519 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
3520 def MVNi : AsI1<0b1111, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm,
3521 IIC_iMVNi, "mvn", "\t$Rd, $imm",
3522 [(set GPR:$Rd, so_imm_not:$imm)]>,UnaryDP, Sched<[WriteALU]> {
3526 let Inst{19-16} = 0b0000;
3527 let Inst{15-12} = Rd;
3528 let Inst{11-0} = imm;
3531 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
3532 (BICri GPR:$src, so_imm_not:$imm)>;
3534 //===----------------------------------------------------------------------===//
3535 // Multiply Instructions.
3537 class AsMul1I32<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
3538 string opc, string asm, list<dag> pattern>
3539 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
3543 let Inst{19-16} = Rd;
3544 let Inst{11-8} = Rm;
3547 class AsMul1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
3548 string opc, string asm, list<dag> pattern>
3549 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
3554 let Inst{19-16} = RdHi;
3555 let Inst{15-12} = RdLo;
3556 let Inst{11-8} = Rm;
3559 class AsMla1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
3560 string opc, string asm, list<dag> pattern>
3561 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
3566 let Inst{19-16} = RdHi;
3567 let Inst{15-12} = RdLo;
3568 let Inst{11-8} = Rm;
3572 // FIXME: The v5 pseudos are only necessary for the additional Constraint
3573 // property. Remove them when it's possible to add those properties
3574 // on an individual MachineInstr, not just an instruction description.
3575 let isCommutable = 1, TwoOperandAliasConstraint = "$Rn = $Rd" in {
3576 def MUL : AsMul1I32<0b0000000, (outs GPRnopc:$Rd),
3577 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3578 IIC_iMUL32, "mul", "\t$Rd, $Rn, $Rm",
3579 [(set GPRnopc:$Rd, (mul GPRnopc:$Rn, GPRnopc:$Rm))]>,
3580 Requires<[IsARM, HasV6]> {
3581 let Inst{15-12} = 0b0000;
3582 let Unpredictable{15-12} = 0b1111;
3585 let Constraints = "@earlyclobber $Rd" in
3586 def MULv5: ARMPseudoExpand<(outs GPRnopc:$Rd), (ins GPRnopc:$Rn, GPRnopc:$Rm,
3587 pred:$p, cc_out:$s),
3589 [(set GPRnopc:$Rd, (mul GPRnopc:$Rn, GPRnopc:$Rm))],
3590 (MUL GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p, cc_out:$s)>,
3591 Requires<[IsARM, NoV6, UseMulOps]>;
3594 def MLA : AsMul1I32<0b0000001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3595 IIC_iMAC32, "mla", "\t$Rd, $Rn, $Rm, $Ra",
3596 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
3597 Requires<[IsARM, HasV6, UseMulOps]> {
3599 let Inst{15-12} = Ra;
3602 let Constraints = "@earlyclobber $Rd" in
3603 def MLAv5: ARMPseudoExpand<(outs GPR:$Rd),
3604 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra, pred:$p, cc_out:$s),
3606 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))],
3607 (MLA GPR:$Rd, GPR:$Rn, GPR:$Rm, GPR:$Ra, pred:$p, cc_out:$s)>,
3608 Requires<[IsARM, NoV6]>;
3610 def MLS : AMul1I<0b0000011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3611 IIC_iMAC32, "mls", "\t$Rd, $Rn, $Rm, $Ra",
3612 [(set GPR:$Rd, (sub GPR:$Ra, (mul GPR:$Rn, GPR:$Rm)))]>,
3613 Requires<[IsARM, HasV6T2, UseMulOps]> {
3618 let Inst{19-16} = Rd;
3619 let Inst{15-12} = Ra;
3620 let Inst{11-8} = Rm;
3624 // Extra precision multiplies with low / high results
3625 let neverHasSideEffects = 1 in {
3626 let isCommutable = 1 in {
3627 def SMULL : AsMul1I64<0b0000110, (outs GPR:$RdLo, GPR:$RdHi),
3628 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
3629 "smull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3630 Requires<[IsARM, HasV6]>;
3632 def UMULL : AsMul1I64<0b0000100, (outs GPR:$RdLo, GPR:$RdHi),
3633 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
3634 "umull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3635 Requires<[IsARM, HasV6]>;
3637 let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
3638 def SMULLv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3639 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
3641 (SMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3642 Requires<[IsARM, NoV6]>;
3644 def UMULLv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3645 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
3647 (UMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3648 Requires<[IsARM, NoV6]>;
3652 // Multiply + accumulate
3653 def SMLAL : AsMla1I64<0b0000111, (outs GPR:$RdLo, GPR:$RdHi),
3654 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi), IIC_iMAC64,
3655 "smlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3656 RegConstraint<"$RLo = $RdLo, $RHi = $RdHi">, Requires<[IsARM, HasV6]>;
3657 def UMLAL : AsMla1I64<0b0000101, (outs GPR:$RdLo, GPR:$RdHi),
3658 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi), IIC_iMAC64,
3659 "umlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3660 RegConstraint<"$RLo = $RdLo, $RHi = $RdHi">, Requires<[IsARM, HasV6]>;
3662 def UMAAL : AMul1I <0b0000010, (outs GPR:$RdLo, GPR:$RdHi),
3663 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
3664 "umaal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3665 Requires<[IsARM, HasV6]> {
3670 let Inst{19-16} = RdHi;
3671 let Inst{15-12} = RdLo;
3672 let Inst{11-8} = Rm;
3676 let Constraints = "$RLo = $RdLo,$RHi = $RdHi" in {
3677 def SMLALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3678 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi, pred:$p, cc_out:$s),
3680 (SMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi,
3681 pred:$p, cc_out:$s)>,
3682 Requires<[IsARM, NoV6]>;
3683 def UMLALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3684 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi, pred:$p, cc_out:$s),
3686 (UMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi,
3687 pred:$p, cc_out:$s)>,
3688 Requires<[IsARM, NoV6]>;
3691 let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
3692 def UMAALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3693 (ins GPR:$Rn, GPR:$Rm, pred:$p),
3695 (UMAAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p)>,
3696 Requires<[IsARM, NoV6]>;
3699 } // neverHasSideEffects
3701 // Most significant word multiply
3702 def SMMUL : AMul2I <0b0111010, 0b0001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3703 IIC_iMUL32, "smmul", "\t$Rd, $Rn, $Rm",
3704 [(set GPR:$Rd, (mulhs GPR:$Rn, GPR:$Rm))]>,
3705 Requires<[IsARM, HasV6]> {
3706 let Inst{15-12} = 0b1111;
3709 def SMMULR : AMul2I <0b0111010, 0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3710 IIC_iMUL32, "smmulr", "\t$Rd, $Rn, $Rm", []>,
3711 Requires<[IsARM, HasV6]> {
3712 let Inst{15-12} = 0b1111;
3715 def SMMLA : AMul2Ia <0b0111010, 0b0001, (outs GPR:$Rd),
3716 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3717 IIC_iMAC32, "smmla", "\t$Rd, $Rn, $Rm, $Ra",
3718 [(set GPR:$Rd, (add (mulhs GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
3719 Requires<[IsARM, HasV6, UseMulOps]>;
3721 def SMMLAR : AMul2Ia <0b0111010, 0b0011, (outs GPR:$Rd),
3722 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3723 IIC_iMAC32, "smmlar", "\t$Rd, $Rn, $Rm, $Ra", []>,
3724 Requires<[IsARM, HasV6]>;
3726 def SMMLS : AMul2Ia <0b0111010, 0b1101, (outs GPR:$Rd),
3727 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3728 IIC_iMAC32, "smmls", "\t$Rd, $Rn, $Rm, $Ra", []>,
3729 Requires<[IsARM, HasV6, UseMulOps]>;
3731 def SMMLSR : AMul2Ia <0b0111010, 0b1111, (outs GPR:$Rd),
3732 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3733 IIC_iMAC32, "smmlsr", "\t$Rd, $Rn, $Rm, $Ra", []>,
3734 Requires<[IsARM, HasV6]>;
3736 multiclass AI_smul<string opc, PatFrag opnode> {
3737 def BB : AMulxyI<0b0001011, 0b00, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3738 IIC_iMUL16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm",
3739 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
3740 (sext_inreg GPR:$Rm, i16)))]>,
3741 Requires<[IsARM, HasV5TE]>;
3743 def BT : AMulxyI<0b0001011, 0b10, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3744 IIC_iMUL16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm",
3745 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
3746 (sra GPR:$Rm, (i32 16))))]>,
3747 Requires<[IsARM, HasV5TE]>;
3749 def TB : AMulxyI<0b0001011, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3750 IIC_iMUL16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm",
3751 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
3752 (sext_inreg GPR:$Rm, i16)))]>,
3753 Requires<[IsARM, HasV5TE]>;
3755 def TT : AMulxyI<0b0001011, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3756 IIC_iMUL16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm",
3757 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
3758 (sra GPR:$Rm, (i32 16))))]>,
3759 Requires<[IsARM, HasV5TE]>;
3761 def WB : AMulxyI<0b0001001, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3762 IIC_iMUL16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm",
3763 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
3764 (sext_inreg GPR:$Rm, i16)), (i32 16)))]>,
3765 Requires<[IsARM, HasV5TE]>;
3767 def WT : AMulxyI<0b0001001, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3768 IIC_iMUL16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm",
3769 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
3770 (sra GPR:$Rm, (i32 16))), (i32 16)))]>,
3771 Requires<[IsARM, HasV5TE]>;
3775 multiclass AI_smla<string opc, PatFrag opnode> {
3776 let DecoderMethod = "DecodeSMLAInstruction" in {
3777 def BB : AMulxyIa<0b0001000, 0b00, (outs GPRnopc:$Rd),
3778 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3779 IIC_iMAC16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm, $Ra",
3780 [(set GPRnopc:$Rd, (add GPR:$Ra,
3781 (opnode (sext_inreg GPRnopc:$Rn, i16),
3782 (sext_inreg GPRnopc:$Rm, i16))))]>,
3783 Requires<[IsARM, HasV5TE, UseMulOps]>;
3785 def BT : AMulxyIa<0b0001000, 0b10, (outs GPRnopc:$Rd),
3786 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3787 IIC_iMAC16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm, $Ra",
3789 (add GPR:$Ra, (opnode (sext_inreg GPRnopc:$Rn, i16),
3790 (sra GPRnopc:$Rm, (i32 16)))))]>,
3791 Requires<[IsARM, HasV5TE, UseMulOps]>;
3793 def TB : AMulxyIa<0b0001000, 0b01, (outs GPRnopc:$Rd),
3794 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3795 IIC_iMAC16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm, $Ra",
3797 (add GPR:$Ra, (opnode (sra GPRnopc:$Rn, (i32 16)),
3798 (sext_inreg GPRnopc:$Rm, i16))))]>,
3799 Requires<[IsARM, HasV5TE, UseMulOps]>;
3801 def TT : AMulxyIa<0b0001000, 0b11, (outs GPRnopc:$Rd),
3802 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3803 IIC_iMAC16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm, $Ra",
3805 (add GPR:$Ra, (opnode (sra GPRnopc:$Rn, (i32 16)),
3806 (sra GPRnopc:$Rm, (i32 16)))))]>,
3807 Requires<[IsARM, HasV5TE, UseMulOps]>;
3809 def WB : AMulxyIa<0b0001001, 0b00, (outs GPRnopc:$Rd),
3810 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3811 IIC_iMAC16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm, $Ra",
3813 (add GPR:$Ra, (sra (opnode GPRnopc:$Rn,
3814 (sext_inreg GPRnopc:$Rm, i16)), (i32 16))))]>,
3815 Requires<[IsARM, HasV5TE, UseMulOps]>;
3817 def WT : AMulxyIa<0b0001001, 0b10, (outs GPRnopc:$Rd),
3818 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3819 IIC_iMAC16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm, $Ra",
3821 (add GPR:$Ra, (sra (opnode GPRnopc:$Rn,
3822 (sra GPRnopc:$Rm, (i32 16))), (i32 16))))]>,
3823 Requires<[IsARM, HasV5TE, UseMulOps]>;
3827 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
3828 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
3830 // Halfword multiply accumulate long: SMLAL<x><y>.
3831 def SMLALBB : AMulxyI64<0b0001010, 0b00, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3832 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3833 IIC_iMAC64, "smlalbb", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3834 Requires<[IsARM, HasV5TE]>;
3836 def SMLALBT : AMulxyI64<0b0001010, 0b10, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3837 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3838 IIC_iMAC64, "smlalbt", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3839 Requires<[IsARM, HasV5TE]>;
3841 def SMLALTB : AMulxyI64<0b0001010, 0b01, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3842 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3843 IIC_iMAC64, "smlaltb", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3844 Requires<[IsARM, HasV5TE]>;
3846 def SMLALTT : AMulxyI64<0b0001010, 0b11, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3847 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3848 IIC_iMAC64, "smlaltt", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3849 Requires<[IsARM, HasV5TE]>;
3851 // Helper class for AI_smld.
3852 class AMulDualIbase<bit long, bit sub, bit swap, dag oops, dag iops,
3853 InstrItinClass itin, string opc, string asm>
3854 : AI<oops, iops, MulFrm, itin, opc, asm, []>, Requires<[IsARM, HasV6]> {
3857 let Inst{27-23} = 0b01110;
3858 let Inst{22} = long;
3859 let Inst{21-20} = 0b00;
3860 let Inst{11-8} = Rm;
3867 class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
3868 InstrItinClass itin, string opc, string asm>
3869 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
3871 let Inst{15-12} = 0b1111;
3872 let Inst{19-16} = Rd;
3874 class AMulDualIa<bit long, bit sub, bit swap, dag oops, dag iops,
3875 InstrItinClass itin, string opc, string asm>
3876 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
3879 let Inst{19-16} = Rd;
3880 let Inst{15-12} = Ra;
3882 class AMulDualI64<bit long, bit sub, bit swap, dag oops, dag iops,
3883 InstrItinClass itin, string opc, string asm>
3884 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
3887 let Inst{19-16} = RdHi;
3888 let Inst{15-12} = RdLo;
3891 multiclass AI_smld<bit sub, string opc> {
3893 def D : AMulDualIa<0, sub, 0, (outs GPRnopc:$Rd),
3894 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3895 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm, $Ra">;
3897 def DX: AMulDualIa<0, sub, 1, (outs GPRnopc:$Rd),
3898 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3899 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm, $Ra">;
3901 def LD: AMulDualI64<1, sub, 0, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3902 (ins GPRnopc:$Rn, GPRnopc:$Rm), NoItinerary,
3903 !strconcat(opc, "ld"), "\t$RdLo, $RdHi, $Rn, $Rm">;
3905 def LDX : AMulDualI64<1, sub, 1, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3906 (ins GPRnopc:$Rn, GPRnopc:$Rm), NoItinerary,
3907 !strconcat(opc, "ldx"),"\t$RdLo, $RdHi, $Rn, $Rm">;
3911 defm SMLA : AI_smld<0, "smla">;
3912 defm SMLS : AI_smld<1, "smls">;
3914 multiclass AI_sdml<bit sub, string opc> {
3916 def D:AMulDualI<0, sub, 0, (outs GPRnopc:$Rd), (ins GPRnopc:$Rn, GPRnopc:$Rm),
3917 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm">;
3918 def DX:AMulDualI<0, sub, 1, (outs GPRnopc:$Rd),(ins GPRnopc:$Rn, GPRnopc:$Rm),
3919 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm">;
3922 defm SMUA : AI_sdml<0, "smua">;
3923 defm SMUS : AI_sdml<1, "smus">;
3925 //===----------------------------------------------------------------------===//
3926 // Division Instructions (ARMv7-A with virtualization extension)
3928 def SDIV : ADivA1I<0b001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), IIC_iDIV,
3929 "sdiv", "\t$Rd, $Rn, $Rm",
3930 [(set GPR:$Rd, (sdiv GPR:$Rn, GPR:$Rm))]>,
3931 Requires<[IsARM, HasDivideInARM]>;
3933 def UDIV : ADivA1I<0b011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), IIC_iDIV,
3934 "udiv", "\t$Rd, $Rn, $Rm",
3935 [(set GPR:$Rd, (udiv GPR:$Rn, GPR:$Rm))]>,
3936 Requires<[IsARM, HasDivideInARM]>;
3938 //===----------------------------------------------------------------------===//
3939 // Misc. Arithmetic Instructions.
3942 def CLZ : AMiscA1I<0b000010110, 0b0001, (outs GPR:$Rd), (ins GPR:$Rm),
3943 IIC_iUNAr, "clz", "\t$Rd, $Rm",
3944 [(set GPR:$Rd, (ctlz GPR:$Rm))]>, Requires<[IsARM, HasV5T]>,
3947 def RBIT : AMiscA1I<0b01101111, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
3948 IIC_iUNAr, "rbit", "\t$Rd, $Rm",
3949 [(set GPR:$Rd, (ARMrbit GPR:$Rm))]>,
3950 Requires<[IsARM, HasV6T2]>,
3953 def REV : AMiscA1I<0b01101011, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
3954 IIC_iUNAr, "rev", "\t$Rd, $Rm",
3955 [(set GPR:$Rd, (bswap GPR:$Rm))]>, Requires<[IsARM, HasV6]>,
3958 let AddedComplexity = 5 in
3959 def REV16 : AMiscA1I<0b01101011, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
3960 IIC_iUNAr, "rev16", "\t$Rd, $Rm",
3961 [(set GPR:$Rd, (rotr (bswap GPR:$Rm), (i32 16)))]>,
3962 Requires<[IsARM, HasV6]>,
3965 let AddedComplexity = 5 in
3966 def REVSH : AMiscA1I<0b01101111, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
3967 IIC_iUNAr, "revsh", "\t$Rd, $Rm",
3968 [(set GPR:$Rd, (sra (bswap GPR:$Rm), (i32 16)))]>,
3969 Requires<[IsARM, HasV6]>,
3972 def : ARMV6Pat<(or (sra (shl GPR:$Rm, (i32 24)), (i32 16)),
3973 (and (srl GPR:$Rm, (i32 8)), 0xFF)),
3976 def PKHBT : APKHI<0b01101000, 0, (outs GPRnopc:$Rd),
3977 (ins GPRnopc:$Rn, GPRnopc:$Rm, pkh_lsl_amt:$sh),
3978 IIC_iALUsi, "pkhbt", "\t$Rd, $Rn, $Rm$sh",
3979 [(set GPRnopc:$Rd, (or (and GPRnopc:$Rn, 0xFFFF),
3980 (and (shl GPRnopc:$Rm, pkh_lsl_amt:$sh),
3982 Requires<[IsARM, HasV6]>,
3983 Sched<[WriteALUsi, ReadALU]>;
3985 // Alternate cases for PKHBT where identities eliminate some nodes.
3986 def : ARMV6Pat<(or (and GPRnopc:$Rn, 0xFFFF), (and GPRnopc:$Rm, 0xFFFF0000)),
3987 (PKHBT GPRnopc:$Rn, GPRnopc:$Rm, 0)>;
3988 def : ARMV6Pat<(or (and GPRnopc:$Rn, 0xFFFF), (shl GPRnopc:$Rm, imm16_31:$sh)),
3989 (PKHBT GPRnopc:$Rn, GPRnopc:$Rm, imm16_31:$sh)>;
3991 // Note: Shifts of 1-15 bits will be transformed to srl instead of sra and
3992 // will match the pattern below.
3993 def PKHTB : APKHI<0b01101000, 1, (outs GPRnopc:$Rd),
3994 (ins GPRnopc:$Rn, GPRnopc:$Rm, pkh_asr_amt:$sh),
3995 IIC_iBITsi, "pkhtb", "\t$Rd, $Rn, $Rm$sh",
3996 [(set GPRnopc:$Rd, (or (and GPRnopc:$Rn, 0xFFFF0000),
3997 (and (sra GPRnopc:$Rm, pkh_asr_amt:$sh),
3999 Requires<[IsARM, HasV6]>,
4000 Sched<[WriteALUsi, ReadALU]>;
4002 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
4003 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
4004 // We also can not replace a srl (17..31) by an arithmetic shift we would use in
4005 // pkhtb src1, src2, asr (17..31).
4006 def : ARMV6Pat<(or (and GPRnopc:$src1, 0xFFFF0000),
4007 (srl GPRnopc:$src2, imm16:$sh)),
4008 (PKHTB GPRnopc:$src1, GPRnopc:$src2, imm16:$sh)>;
4009 def : ARMV6Pat<(or (and GPRnopc:$src1, 0xFFFF0000),
4010 (sra GPRnopc:$src2, imm16_31:$sh)),
4011 (PKHTB GPRnopc:$src1, GPRnopc:$src2, imm16_31:$sh)>;
4012 def : ARMV6Pat<(or (and GPRnopc:$src1, 0xFFFF0000),
4013 (and (srl GPRnopc:$src2, imm1_15:$sh), 0xFFFF)),
4014 (PKHTB GPRnopc:$src1, GPRnopc:$src2, imm1_15:$sh)>;
4016 //===----------------------------------------------------------------------===//
4017 // Comparison Instructions...
4020 defm CMP : AI1_cmp_irs<0b1010, "cmp",
4021 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
4022 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
4024 // ARMcmpZ can re-use the above instruction definitions.
4025 def : ARMPat<(ARMcmpZ GPR:$src, so_imm:$imm),
4026 (CMPri GPR:$src, so_imm:$imm)>;
4027 def : ARMPat<(ARMcmpZ GPR:$src, GPR:$rhs),
4028 (CMPrr GPR:$src, GPR:$rhs)>;
4029 def : ARMPat<(ARMcmpZ GPR:$src, so_reg_imm:$rhs),
4030 (CMPrsi GPR:$src, so_reg_imm:$rhs)>;
4031 def : ARMPat<(ARMcmpZ GPR:$src, so_reg_reg:$rhs),
4032 (CMPrsr GPR:$src, so_reg_reg:$rhs)>;
4034 // CMN register-integer
4035 let isCompare = 1, Defs = [CPSR] in {
4036 def CMNri : AI1<0b1011, (outs), (ins GPR:$Rn, so_imm:$imm), DPFrm, IIC_iCMPi,
4037 "cmn", "\t$Rn, $imm",
4038 [(ARMcmn GPR:$Rn, so_imm:$imm)]>,
4039 Sched<[WriteCMP, ReadALU]> {
4044 let Inst{19-16} = Rn;
4045 let Inst{15-12} = 0b0000;
4046 let Inst{11-0} = imm;
4048 let Unpredictable{15-12} = 0b1111;
4051 // CMN register-register/shift
4052 def CMNzrr : AI1<0b1011, (outs), (ins GPR:$Rn, GPR:$Rm), DPFrm, IIC_iCMPr,
4053 "cmn", "\t$Rn, $Rm",
4054 [(BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>
4055 GPR:$Rn, GPR:$Rm)]>, Sched<[WriteCMP, ReadALU, ReadALU]> {
4058 let isCommutable = 1;
4061 let Inst{19-16} = Rn;
4062 let Inst{15-12} = 0b0000;
4063 let Inst{11-4} = 0b00000000;
4066 let Unpredictable{15-12} = 0b1111;
4069 def CMNzrsi : AI1<0b1011, (outs),
4070 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm, IIC_iCMPsr,
4071 "cmn", "\t$Rn, $shift",
4072 [(BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>
4073 GPR:$Rn, so_reg_imm:$shift)]>,
4074 Sched<[WriteCMPsi, ReadALU]> {
4079 let Inst{19-16} = Rn;
4080 let Inst{15-12} = 0b0000;
4081 let Inst{11-5} = shift{11-5};
4083 let Inst{3-0} = shift{3-0};
4085 let Unpredictable{15-12} = 0b1111;
4088 def CMNzrsr : AI1<0b1011, (outs),
4089 (ins GPRnopc:$Rn, so_reg_reg:$shift), DPSoRegRegFrm, IIC_iCMPsr,
4090 "cmn", "\t$Rn, $shift",
4091 [(BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>
4092 GPRnopc:$Rn, so_reg_reg:$shift)]>,
4093 Sched<[WriteCMPsr, ReadALU]> {
4098 let Inst{19-16} = Rn;
4099 let Inst{15-12} = 0b0000;
4100 let Inst{11-8} = shift{11-8};
4102 let Inst{6-5} = shift{6-5};
4104 let Inst{3-0} = shift{3-0};
4106 let Unpredictable{15-12} = 0b1111;
4111 def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
4112 (CMNri GPR:$src, so_imm_neg:$imm)>;
4114 def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
4115 (CMNri GPR:$src, so_imm_neg:$imm)>;
4117 // Note that TST/TEQ don't set all the same flags that CMP does!
4118 defm TST : AI1_cmp_irs<0b1000, "tst",
4119 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
4120 BinOpFrag<(ARMcmpZ (and_su node:$LHS, node:$RHS), 0)>, 1>;
4121 defm TEQ : AI1_cmp_irs<0b1001, "teq",
4122 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
4123 BinOpFrag<(ARMcmpZ (xor_su node:$LHS, node:$RHS), 0)>, 1>;
4125 // Pseudo i64 compares for some floating point compares.
4126 let usesCustomInserter = 1, isBranch = 1, isTerminator = 1,
4128 def BCCi64 : PseudoInst<(outs),
4129 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, brtarget:$dst),
4131 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, bb:$dst)]>,
4134 def BCCZi64 : PseudoInst<(outs),
4135 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, brtarget:$dst), IIC_Br,
4136 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, 0, 0, bb:$dst)]>,
4138 } // usesCustomInserter
4141 // Conditional moves
4142 // FIXME: should be able to write a pattern for ARMcmov, but can't use
4143 // a two-value operand where a dag node expects two operands. :(
4144 let neverHasSideEffects = 1 in {
4146 let isCommutable = 1, isSelect = 1 in
4147 def MOVCCr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$false, GPR:$Rm, pred:$p),
4149 [/*(set GPR:$Rd, (ARMcmov GPR:$false, GPR:$Rm, imm:$cc, CCR:$ccr))*/]>,
4150 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4152 def MOVCCsi : ARMPseudoInst<(outs GPR:$Rd),
4153 (ins GPR:$false, so_reg_imm:$shift, pred:$p),
4155 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_reg_imm:$shift,
4156 imm:$cc, CCR:$ccr))*/]>,
4157 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4158 def MOVCCsr : ARMPseudoInst<(outs GPR:$Rd),
4159 (ins GPR:$false, so_reg_reg:$shift, pred:$p),
4161 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_reg_reg:$shift,
4162 imm:$cc, CCR:$ccr))*/]>,
4163 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4166 let isMoveImm = 1 in
4167 def MOVCCi16 : ARMPseudoInst<(outs GPR:$Rd),
4168 (ins GPR:$false, imm0_65535_expr:$imm, pred:$p),
4171 RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>,
4174 let isMoveImm = 1 in
4175 def MOVCCi : ARMPseudoInst<(outs GPR:$Rd),
4176 (ins GPR:$false, so_imm:$imm, pred:$p),
4178 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm:$imm, imm:$cc, CCR:$ccr))*/]>,
4179 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4181 // Two instruction predicate mov immediate.
4182 let isMoveImm = 1 in
4183 def MOVCCi32imm : ARMPseudoInst<(outs GPR:$Rd),
4184 (ins GPR:$false, i32imm:$src, pred:$p),
4185 8, IIC_iCMOVix2, []>, RegConstraint<"$false = $Rd">;
4187 let isMoveImm = 1 in
4188 def MVNCCi : ARMPseudoInst<(outs GPR:$Rd),
4189 (ins GPR:$false, so_imm:$imm, pred:$p),
4191 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm_not:$imm, imm:$cc, CCR:$ccr))*/]>,
4192 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4194 } // neverHasSideEffects
4197 //===----------------------------------------------------------------------===//
4198 // Atomic operations intrinsics
4201 def MemBarrierOptOperand : AsmOperandClass {
4202 let Name = "MemBarrierOpt";
4203 let ParserMethod = "parseMemBarrierOptOperand";
4205 def memb_opt : Operand<i32> {
4206 let PrintMethod = "printMemBOption";
4207 let ParserMatchClass = MemBarrierOptOperand;
4208 let DecoderMethod = "DecodeMemBarrierOption";
4211 def InstSyncBarrierOptOperand : AsmOperandClass {
4212 let Name = "InstSyncBarrierOpt";
4213 let ParserMethod = "parseInstSyncBarrierOptOperand";
4215 def instsyncb_opt : Operand<i32> {
4216 let PrintMethod = "printInstSyncBOption";
4217 let ParserMatchClass = InstSyncBarrierOptOperand;
4218 let DecoderMethod = "DecodeInstSyncBarrierOption";
4221 // memory barriers protect the atomic sequences
4222 let hasSideEffects = 1 in {
4223 def DMB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
4224 "dmb", "\t$opt", [(ARMMemBarrier (i32 imm:$opt))]>,
4225 Requires<[IsARM, HasDB]> {
4227 let Inst{31-4} = 0xf57ff05;
4228 let Inst{3-0} = opt;
4232 def DSB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
4233 "dsb", "\t$opt", []>,
4234 Requires<[IsARM, HasDB]> {
4236 let Inst{31-4} = 0xf57ff04;
4237 let Inst{3-0} = opt;
4240 // ISB has only full system option
4241 def ISB : AInoP<(outs), (ins instsyncb_opt:$opt), MiscFrm, NoItinerary,
4242 "isb", "\t$opt", []>,
4243 Requires<[IsARM, HasDB]> {
4245 let Inst{31-4} = 0xf57ff06;
4246 let Inst{3-0} = opt;
4249 // Pseudo instruction that combines movs + predicated rsbmi
4250 // to implement integer ABS
4251 let usesCustomInserter = 1, Defs = [CPSR] in
4252 def ABS : ARMPseudoInst<(outs GPR:$dst), (ins GPR:$src), 8, NoItinerary, []>;
4254 let usesCustomInserter = 1 in {
4255 let Defs = [CPSR] in {
4256 def ATOMIC_LOAD_ADD_I8 : PseudoInst<
4257 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4258 [(set GPR:$dst, (atomic_load_add_8 GPR:$ptr, GPR:$incr))]>;
4259 def ATOMIC_LOAD_SUB_I8 : PseudoInst<
4260 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4261 [(set GPR:$dst, (atomic_load_sub_8 GPR:$ptr, GPR:$incr))]>;
4262 def ATOMIC_LOAD_AND_I8 : PseudoInst<
4263 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4264 [(set GPR:$dst, (atomic_load_and_8 GPR:$ptr, GPR:$incr))]>;
4265 def ATOMIC_LOAD_OR_I8 : PseudoInst<
4266 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4267 [(set GPR:$dst, (atomic_load_or_8 GPR:$ptr, GPR:$incr))]>;
4268 def ATOMIC_LOAD_XOR_I8 : PseudoInst<
4269 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4270 [(set GPR:$dst, (atomic_load_xor_8 GPR:$ptr, GPR:$incr))]>;
4271 def ATOMIC_LOAD_NAND_I8 : PseudoInst<
4272 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4273 [(set GPR:$dst, (atomic_load_nand_8 GPR:$ptr, GPR:$incr))]>;
4274 def ATOMIC_LOAD_MIN_I8 : PseudoInst<
4275 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4276 [(set GPR:$dst, (atomic_load_min_8 GPR:$ptr, GPR:$val))]>;
4277 def ATOMIC_LOAD_MAX_I8 : PseudoInst<
4278 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4279 [(set GPR:$dst, (atomic_load_max_8 GPR:$ptr, GPR:$val))]>;
4280 def ATOMIC_LOAD_UMIN_I8 : PseudoInst<
4281 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4282 [(set GPR:$dst, (atomic_load_umin_8 GPR:$ptr, GPR:$val))]>;
4283 def ATOMIC_LOAD_UMAX_I8 : PseudoInst<
4284 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4285 [(set GPR:$dst, (atomic_load_umax_8 GPR:$ptr, GPR:$val))]>;
4286 def ATOMIC_LOAD_ADD_I16 : PseudoInst<
4287 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4288 [(set GPR:$dst, (atomic_load_add_16 GPR:$ptr, GPR:$incr))]>;
4289 def ATOMIC_LOAD_SUB_I16 : PseudoInst<
4290 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4291 [(set GPR:$dst, (atomic_load_sub_16 GPR:$ptr, GPR:$incr))]>;
4292 def ATOMIC_LOAD_AND_I16 : PseudoInst<
4293 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4294 [(set GPR:$dst, (atomic_load_and_16 GPR:$ptr, GPR:$incr))]>;
4295 def ATOMIC_LOAD_OR_I16 : PseudoInst<
4296 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4297 [(set GPR:$dst, (atomic_load_or_16 GPR:$ptr, GPR:$incr))]>;
4298 def ATOMIC_LOAD_XOR_I16 : PseudoInst<
4299 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4300 [(set GPR:$dst, (atomic_load_xor_16 GPR:$ptr, GPR:$incr))]>;
4301 def ATOMIC_LOAD_NAND_I16 : PseudoInst<
4302 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4303 [(set GPR:$dst, (atomic_load_nand_16 GPR:$ptr, GPR:$incr))]>;
4304 def ATOMIC_LOAD_MIN_I16 : PseudoInst<
4305 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4306 [(set GPR:$dst, (atomic_load_min_16 GPR:$ptr, GPR:$val))]>;
4307 def ATOMIC_LOAD_MAX_I16 : PseudoInst<
4308 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4309 [(set GPR:$dst, (atomic_load_max_16 GPR:$ptr, GPR:$val))]>;
4310 def ATOMIC_LOAD_UMIN_I16 : PseudoInst<
4311 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4312 [(set GPR:$dst, (atomic_load_umin_16 GPR:$ptr, GPR:$val))]>;
4313 def ATOMIC_LOAD_UMAX_I16 : PseudoInst<
4314 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4315 [(set GPR:$dst, (atomic_load_umax_16 GPR:$ptr, GPR:$val))]>;
4316 def ATOMIC_LOAD_ADD_I32 : PseudoInst<
4317 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4318 [(set GPR:$dst, (atomic_load_add_32 GPR:$ptr, GPR:$incr))]>;
4319 def ATOMIC_LOAD_SUB_I32 : PseudoInst<
4320 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4321 [(set GPR:$dst, (atomic_load_sub_32 GPR:$ptr, GPR:$incr))]>;
4322 def ATOMIC_LOAD_AND_I32 : PseudoInst<
4323 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4324 [(set GPR:$dst, (atomic_load_and_32 GPR:$ptr, GPR:$incr))]>;
4325 def ATOMIC_LOAD_OR_I32 : PseudoInst<
4326 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4327 [(set GPR:$dst, (atomic_load_or_32 GPR:$ptr, GPR:$incr))]>;
4328 def ATOMIC_LOAD_XOR_I32 : PseudoInst<
4329 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4330 [(set GPR:$dst, (atomic_load_xor_32 GPR:$ptr, GPR:$incr))]>;
4331 def ATOMIC_LOAD_NAND_I32 : PseudoInst<
4332 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4333 [(set GPR:$dst, (atomic_load_nand_32 GPR:$ptr, GPR:$incr))]>;
4334 def ATOMIC_LOAD_MIN_I32 : PseudoInst<
4335 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4336 [(set GPR:$dst, (atomic_load_min_32 GPR:$ptr, GPR:$val))]>;
4337 def ATOMIC_LOAD_MAX_I32 : PseudoInst<
4338 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4339 [(set GPR:$dst, (atomic_load_max_32 GPR:$ptr, GPR:$val))]>;
4340 def ATOMIC_LOAD_UMIN_I32 : PseudoInst<
4341 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4342 [(set GPR:$dst, (atomic_load_umin_32 GPR:$ptr, GPR:$val))]>;
4343 def ATOMIC_LOAD_UMAX_I32 : PseudoInst<
4344 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4345 [(set GPR:$dst, (atomic_load_umax_32 GPR:$ptr, GPR:$val))]>;
4347 def ATOMIC_SWAP_I8 : PseudoInst<
4348 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
4349 [(set GPR:$dst, (atomic_swap_8 GPR:$ptr, GPR:$new))]>;
4350 def ATOMIC_SWAP_I16 : PseudoInst<
4351 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
4352 [(set GPR:$dst, (atomic_swap_16 GPR:$ptr, GPR:$new))]>;
4353 def ATOMIC_SWAP_I32 : PseudoInst<
4354 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
4355 [(set GPR:$dst, (atomic_swap_32 GPR:$ptr, GPR:$new))]>;
4357 def ATOMIC_CMP_SWAP_I8 : PseudoInst<
4358 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
4359 [(set GPR:$dst, (atomic_cmp_swap_8 GPR:$ptr, GPR:$old, GPR:$new))]>;
4360 def ATOMIC_CMP_SWAP_I16 : PseudoInst<
4361 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
4362 [(set GPR:$dst, (atomic_cmp_swap_16 GPR:$ptr, GPR:$old, GPR:$new))]>;
4363 def ATOMIC_CMP_SWAP_I32 : PseudoInst<
4364 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
4365 [(set GPR:$dst, (atomic_cmp_swap_32 GPR:$ptr, GPR:$old, GPR:$new))]>;
4369 let usesCustomInserter = 1 in {
4370 def COPY_STRUCT_BYVAL_I32 : PseudoInst<
4371 (outs), (ins GPR:$dst, GPR:$src, i32imm:$size, i32imm:$alignment),
4373 [(ARMcopystructbyval GPR:$dst, GPR:$src, imm:$size, imm:$alignment)]>;
4376 def ldrex_1 : PatFrag<(ops node:$ptr), (int_arm_ldrex node:$ptr), [{
4377 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i8;
4380 def ldrex_2 : PatFrag<(ops node:$ptr), (int_arm_ldrex node:$ptr), [{
4381 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i16;
4384 def ldrex_4 : PatFrag<(ops node:$ptr), (int_arm_ldrex node:$ptr), [{
4385 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i32;
4388 def strex_1 : PatFrag<(ops node:$val, node:$ptr),
4389 (int_arm_strex node:$val, node:$ptr), [{
4390 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i8;
4393 def strex_2 : PatFrag<(ops node:$val, node:$ptr),
4394 (int_arm_strex node:$val, node:$ptr), [{
4395 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i16;
4398 def strex_4 : PatFrag<(ops node:$val, node:$ptr),
4399 (int_arm_strex node:$val, node:$ptr), [{
4400 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i32;
4403 let mayLoad = 1 in {
4404 def LDREXB : AIldrex<0b10, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4406 "ldrexb", "\t$Rt, $addr",
4407 [(set GPR:$Rt, (ldrex_1 addr_offset_none:$addr))]>;
4408 def LDREXH : AIldrex<0b11, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4409 NoItinerary, "ldrexh", "\t$Rt, $addr",
4410 [(set GPR:$Rt, (ldrex_2 addr_offset_none:$addr))]>;
4411 def LDREX : AIldrex<0b00, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4412 NoItinerary, "ldrex", "\t$Rt, $addr",
4413 [(set GPR:$Rt, (ldrex_4 addr_offset_none:$addr))]>;
4414 let hasExtraDefRegAllocReq = 1 in
4415 def LDREXD: AIldrex<0b01, (outs GPRPairOp:$Rt),(ins addr_offset_none:$addr),
4416 NoItinerary, "ldrexd", "\t$Rt, $addr", []> {
4417 let DecoderMethod = "DecodeDoubleRegLoad";
4421 let mayStore = 1, Constraints = "@earlyclobber $Rd" in {
4422 def STREXB: AIstrex<0b10, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4423 NoItinerary, "strexb", "\t$Rd, $Rt, $addr",
4424 [(set GPR:$Rd, (strex_1 GPR:$Rt, addr_offset_none:$addr))]>;
4425 def STREXH: AIstrex<0b11, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4426 NoItinerary, "strexh", "\t$Rd, $Rt, $addr",
4427 [(set GPR:$Rd, (strex_2 GPR:$Rt, addr_offset_none:$addr))]>;
4428 def STREX : AIstrex<0b00, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4429 NoItinerary, "strex", "\t$Rd, $Rt, $addr",
4430 [(set GPR:$Rd, (strex_4 GPR:$Rt, addr_offset_none:$addr))]>;
4431 let hasExtraSrcRegAllocReq = 1 in
4432 def STREXD : AIstrex<0b01, (outs GPR:$Rd),
4433 (ins GPRPairOp:$Rt, addr_offset_none:$addr),
4434 NoItinerary, "strexd", "\t$Rd, $Rt, $addr", []> {
4435 let DecoderMethod = "DecodeDoubleRegStore";
4440 def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex",
4442 Requires<[IsARM, HasV7]> {
4443 let Inst{31-0} = 0b11110101011111111111000000011111;
4446 def : ARMPat<(and (ldrex_1 addr_offset_none:$addr), 0xff),
4447 (LDREXB addr_offset_none:$addr)>;
4448 def : ARMPat<(and (ldrex_2 addr_offset_none:$addr), 0xffff),
4449 (LDREXH addr_offset_none:$addr)>;
4450 def : ARMPat<(strex_1 (and GPR:$Rt, 0xff), addr_offset_none:$addr),
4451 (STREXB GPR:$Rt, addr_offset_none:$addr)>;
4452 def : ARMPat<(strex_2 (and GPR:$Rt, 0xffff), addr_offset_none:$addr),
4453 (STREXH GPR:$Rt, addr_offset_none:$addr)>;
4455 // SWP/SWPB are deprecated in V6/V7.
4456 let mayLoad = 1, mayStore = 1 in {
4457 def SWP : AIswp<0, (outs GPRnopc:$Rt),
4458 (ins GPRnopc:$Rt2, addr_offset_none:$addr), "swp", []>;
4459 def SWPB: AIswp<1, (outs GPRnopc:$Rt),
4460 (ins GPRnopc:$Rt2, addr_offset_none:$addr), "swpb", []>;
4463 //===----------------------------------------------------------------------===//
4464 // Coprocessor Instructions.
4467 def CDP : ABI<0b1110, (outs), (ins p_imm:$cop, imm0_15:$opc1,
4468 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, imm0_7:$opc2),
4469 NoItinerary, "cdp", "\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
4470 [(int_arm_cdp imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
4471 imm:$CRm, imm:$opc2)]> {
4479 let Inst{3-0} = CRm;
4481 let Inst{7-5} = opc2;
4482 let Inst{11-8} = cop;
4483 let Inst{15-12} = CRd;
4484 let Inst{19-16} = CRn;
4485 let Inst{23-20} = opc1;
4488 def CDP2 : ABXI<0b1110, (outs), (ins p_imm:$cop, imm0_15:$opc1,
4489 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, imm0_7:$opc2),
4490 NoItinerary, "cdp2\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
4491 [(int_arm_cdp2 imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
4492 imm:$CRm, imm:$opc2)]> {
4493 let Inst{31-28} = 0b1111;
4501 let Inst{3-0} = CRm;
4503 let Inst{7-5} = opc2;
4504 let Inst{11-8} = cop;
4505 let Inst{15-12} = CRd;
4506 let Inst{19-16} = CRn;
4507 let Inst{23-20} = opc1;
4510 class ACI<dag oops, dag iops, string opc, string asm,
4511 IndexMode im = IndexModeNone>
4512 : I<oops, iops, AddrModeNone, 4, im, BrFrm, NoItinerary,
4514 let Inst{27-25} = 0b110;
4516 class ACInoP<dag oops, dag iops, string opc, string asm,
4517 IndexMode im = IndexModeNone>
4518 : InoP<oops, iops, AddrModeNone, 4, im, BrFrm, NoItinerary,
4520 let Inst{31-28} = 0b1111;
4521 let Inst{27-25} = 0b110;
4523 multiclass LdStCop<bit load, bit Dbit, string asm> {
4524 def _OFFSET : ACI<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5:$addr),
4525 asm, "\t$cop, $CRd, $addr"> {
4529 let Inst{24} = 1; // P = 1
4530 let Inst{23} = addr{8};
4531 let Inst{22} = Dbit;
4532 let Inst{21} = 0; // W = 0
4533 let Inst{20} = load;
4534 let Inst{19-16} = addr{12-9};
4535 let Inst{15-12} = CRd;
4536 let Inst{11-8} = cop;
4537 let Inst{7-0} = addr{7-0};
4538 let DecoderMethod = "DecodeCopMemInstruction";
4540 def _PRE : ACI<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5_pre:$addr),
4541 asm, "\t$cop, $CRd, $addr!", IndexModePre> {
4545 let Inst{24} = 1; // P = 1
4546 let Inst{23} = addr{8};
4547 let Inst{22} = Dbit;
4548 let Inst{21} = 1; // W = 1
4549 let Inst{20} = load;
4550 let Inst{19-16} = addr{12-9};
4551 let Inst{15-12} = CRd;
4552 let Inst{11-8} = cop;
4553 let Inst{7-0} = addr{7-0};
4554 let DecoderMethod = "DecodeCopMemInstruction";
4556 def _POST: ACI<(outs), (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
4557 postidx_imm8s4:$offset),
4558 asm, "\t$cop, $CRd, $addr, $offset", IndexModePost> {
4563 let Inst{24} = 0; // P = 0
4564 let Inst{23} = offset{8};
4565 let Inst{22} = Dbit;
4566 let Inst{21} = 1; // W = 1
4567 let Inst{20} = load;
4568 let Inst{19-16} = addr;
4569 let Inst{15-12} = CRd;
4570 let Inst{11-8} = cop;
4571 let Inst{7-0} = offset{7-0};
4572 let DecoderMethod = "DecodeCopMemInstruction";
4574 def _OPTION : ACI<(outs),
4575 (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
4576 coproc_option_imm:$option),
4577 asm, "\t$cop, $CRd, $addr, $option"> {
4582 let Inst{24} = 0; // P = 0
4583 let Inst{23} = 1; // U = 1
4584 let Inst{22} = Dbit;
4585 let Inst{21} = 0; // W = 0
4586 let Inst{20} = load;
4587 let Inst{19-16} = addr;
4588 let Inst{15-12} = CRd;
4589 let Inst{11-8} = cop;
4590 let Inst{7-0} = option;
4591 let DecoderMethod = "DecodeCopMemInstruction";
4594 multiclass LdSt2Cop<bit load, bit Dbit, string asm> {
4595 def _OFFSET : ACInoP<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5:$addr),
4596 asm, "\t$cop, $CRd, $addr"> {
4600 let Inst{24} = 1; // P = 1
4601 let Inst{23} = addr{8};
4602 let Inst{22} = Dbit;
4603 let Inst{21} = 0; // W = 0
4604 let Inst{20} = load;
4605 let Inst{19-16} = addr{12-9};
4606 let Inst{15-12} = CRd;
4607 let Inst{11-8} = cop;
4608 let Inst{7-0} = addr{7-0};
4609 let DecoderMethod = "DecodeCopMemInstruction";
4611 def _PRE : ACInoP<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5_pre:$addr),
4612 asm, "\t$cop, $CRd, $addr!", IndexModePre> {
4616 let Inst{24} = 1; // P = 1
4617 let Inst{23} = addr{8};
4618 let Inst{22} = Dbit;
4619 let Inst{21} = 1; // W = 1
4620 let Inst{20} = load;
4621 let Inst{19-16} = addr{12-9};
4622 let Inst{15-12} = CRd;
4623 let Inst{11-8} = cop;
4624 let Inst{7-0} = addr{7-0};
4625 let DecoderMethod = "DecodeCopMemInstruction";
4627 def _POST: ACInoP<(outs), (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
4628 postidx_imm8s4:$offset),
4629 asm, "\t$cop, $CRd, $addr, $offset", IndexModePost> {
4634 let Inst{24} = 0; // P = 0
4635 let Inst{23} = offset{8};
4636 let Inst{22} = Dbit;
4637 let Inst{21} = 1; // W = 1
4638 let Inst{20} = load;
4639 let Inst{19-16} = addr;
4640 let Inst{15-12} = CRd;
4641 let Inst{11-8} = cop;
4642 let Inst{7-0} = offset{7-0};
4643 let DecoderMethod = "DecodeCopMemInstruction";
4645 def _OPTION : ACInoP<(outs),
4646 (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
4647 coproc_option_imm:$option),
4648 asm, "\t$cop, $CRd, $addr, $option"> {
4653 let Inst{24} = 0; // P = 0
4654 let Inst{23} = 1; // U = 1
4655 let Inst{22} = Dbit;
4656 let Inst{21} = 0; // W = 0
4657 let Inst{20} = load;
4658 let Inst{19-16} = addr;
4659 let Inst{15-12} = CRd;
4660 let Inst{11-8} = cop;
4661 let Inst{7-0} = option;
4662 let DecoderMethod = "DecodeCopMemInstruction";
4666 defm LDC : LdStCop <1, 0, "ldc">;
4667 defm LDCL : LdStCop <1, 1, "ldcl">;
4668 defm STC : LdStCop <0, 0, "stc">;
4669 defm STCL : LdStCop <0, 1, "stcl">;
4670 defm LDC2 : LdSt2Cop<1, 0, "ldc2">;
4671 defm LDC2L : LdSt2Cop<1, 1, "ldc2l">;
4672 defm STC2 : LdSt2Cop<0, 0, "stc2">;
4673 defm STC2L : LdSt2Cop<0, 1, "stc2l">;
4675 //===----------------------------------------------------------------------===//
4676 // Move between coprocessor and ARM core register.
4679 class MovRCopro<string opc, bit direction, dag oops, dag iops,
4681 : ABI<0b1110, oops, iops, NoItinerary, opc,
4682 "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2", pattern> {
4683 let Inst{20} = direction;
4693 let Inst{15-12} = Rt;
4694 let Inst{11-8} = cop;
4695 let Inst{23-21} = opc1;
4696 let Inst{7-5} = opc2;
4697 let Inst{3-0} = CRm;
4698 let Inst{19-16} = CRn;
4701 def MCR : MovRCopro<"mcr", 0 /* from ARM core register to coprocessor */,
4703 (ins p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
4704 c_imm:$CRm, imm0_7:$opc2),
4705 [(int_arm_mcr imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
4706 imm:$CRm, imm:$opc2)]>;
4707 def : ARMInstAlias<"mcr${p} $cop, $opc1, $Rt, $CRn, $CRm",
4708 (MCR p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
4709 c_imm:$CRm, 0, pred:$p)>;
4710 def MRC : MovRCopro<"mrc", 1 /* from coprocessor to ARM core register */,
4711 (outs GPRwithAPSR:$Rt),
4712 (ins p_imm:$cop, imm0_7:$opc1, c_imm:$CRn, c_imm:$CRm,
4714 def : ARMInstAlias<"mrc${p} $cop, $opc1, $Rt, $CRn, $CRm",
4715 (MRC GPRwithAPSR:$Rt, p_imm:$cop, imm0_7:$opc1, c_imm:$CRn,
4716 c_imm:$CRm, 0, pred:$p)>;
4718 def : ARMPat<(int_arm_mrc imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2),
4719 (MRC imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
4721 class MovRCopro2<string opc, bit direction, dag oops, dag iops,
4723 : ABXI<0b1110, oops, iops, NoItinerary,
4724 !strconcat(opc, "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2"), pattern> {
4725 let Inst{31-24} = 0b11111110;
4726 let Inst{20} = direction;
4736 let Inst{15-12} = Rt;
4737 let Inst{11-8} = cop;
4738 let Inst{23-21} = opc1;
4739 let Inst{7-5} = opc2;
4740 let Inst{3-0} = CRm;
4741 let Inst{19-16} = CRn;
4744 def MCR2 : MovRCopro2<"mcr2", 0 /* from ARM core register to coprocessor */,
4746 (ins p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
4747 c_imm:$CRm, imm0_7:$opc2),
4748 [(int_arm_mcr2 imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
4749 imm:$CRm, imm:$opc2)]>;
4750 def : ARMInstAlias<"mcr2$ $cop, $opc1, $Rt, $CRn, $CRm",
4751 (MCR2 p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
4753 def MRC2 : MovRCopro2<"mrc2", 1 /* from coprocessor to ARM core register */,
4754 (outs GPRwithAPSR:$Rt),
4755 (ins p_imm:$cop, imm0_7:$opc1, c_imm:$CRn, c_imm:$CRm,
4757 def : ARMInstAlias<"mrc2$ $cop, $opc1, $Rt, $CRn, $CRm",
4758 (MRC2 GPRwithAPSR:$Rt, p_imm:$cop, imm0_7:$opc1, c_imm:$CRn,
4761 def : ARMV5TPat<(int_arm_mrc2 imm:$cop, imm:$opc1, imm:$CRn,
4762 imm:$CRm, imm:$opc2),
4763 (MRC2 imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
4765 class MovRRCopro<string opc, bit direction, list<dag> pattern = []>
4766 : ABI<0b1100, (outs), (ins p_imm:$cop, imm0_15:$opc1,
4767 GPRnopc:$Rt, GPRnopc:$Rt2, c_imm:$CRm),
4768 NoItinerary, opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm", pattern> {
4769 let Inst{23-21} = 0b010;
4770 let Inst{20} = direction;
4778 let Inst{15-12} = Rt;
4779 let Inst{19-16} = Rt2;
4780 let Inst{11-8} = cop;
4781 let Inst{7-4} = opc1;
4782 let Inst{3-0} = CRm;
4785 def MCRR : MovRRCopro<"mcrr", 0 /* from ARM core register to coprocessor */,
4786 [(int_arm_mcrr imm:$cop, imm:$opc1, GPRnopc:$Rt,
4787 GPRnopc:$Rt2, imm:$CRm)]>;
4788 def MRRC : MovRRCopro<"mrrc", 1 /* from coprocessor to ARM core register */>;
4790 class MovRRCopro2<string opc, bit direction, list<dag> pattern = []>
4791 : ABXI<0b1100, (outs), (ins p_imm:$cop, imm0_15:$opc1,
4792 GPRnopc:$Rt, GPRnopc:$Rt2, c_imm:$CRm), NoItinerary,
4793 !strconcat(opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm"), pattern> {
4794 let Inst{31-28} = 0b1111;
4795 let Inst{23-21} = 0b010;
4796 let Inst{20} = direction;
4804 let Inst{15-12} = Rt;
4805 let Inst{19-16} = Rt2;
4806 let Inst{11-8} = cop;
4807 let Inst{7-4} = opc1;
4808 let Inst{3-0} = CRm;
4810 let DecoderMethod = "DecodeMRRC2";
4813 def MCRR2 : MovRRCopro2<"mcrr2", 0 /* from ARM core register to coprocessor */,
4814 [(int_arm_mcrr2 imm:$cop, imm:$opc1, GPRnopc:$Rt,
4815 GPRnopc:$Rt2, imm:$CRm)]>;
4816 def MRRC2 : MovRRCopro2<"mrrc2", 1 /* from coprocessor to ARM core register */>;
4818 //===----------------------------------------------------------------------===//
4819 // Move between special register and ARM core register
4822 // Move to ARM core register from Special Register
4823 def MRS : ABI<0b0001, (outs GPRnopc:$Rd), (ins), NoItinerary,
4824 "mrs", "\t$Rd, apsr", []> {
4826 let Inst{23-16} = 0b00001111;
4827 let Unpredictable{19-17} = 0b111;
4829 let Inst{15-12} = Rd;
4831 let Inst{11-0} = 0b000000000000;
4832 let Unpredictable{11-0} = 0b110100001111;
4835 def : InstAlias<"mrs${p} $Rd, cpsr", (MRS GPRnopc:$Rd, pred:$p)>,
4838 // The MRSsys instruction is the MRS instruction from the ARM ARM,
4839 // section B9.3.9, with the R bit set to 1.
4840 def MRSsys : ABI<0b0001, (outs GPRnopc:$Rd), (ins), NoItinerary,
4841 "mrs", "\t$Rd, spsr", []> {
4843 let Inst{23-16} = 0b01001111;
4844 let Unpredictable{19-16} = 0b1111;
4846 let Inst{15-12} = Rd;
4848 let Inst{11-0} = 0b000000000000;
4849 let Unpredictable{11-0} = 0b110100001111;
4852 // Move from ARM core register to Special Register
4854 // No need to have both system and application versions, the encodings are the
4855 // same and the assembly parser has no way to distinguish between them. The mask
4856 // operand contains the special register (R Bit) in bit 4 and bits 3-0 contains
4857 // the mask with the fields to be accessed in the special register.
4858 def MSR : ABI<0b0001, (outs), (ins msr_mask:$mask, GPR:$Rn), NoItinerary,
4859 "msr", "\t$mask, $Rn", []> {
4864 let Inst{22} = mask{4}; // R bit
4865 let Inst{21-20} = 0b10;
4866 let Inst{19-16} = mask{3-0};
4867 let Inst{15-12} = 0b1111;
4868 let Inst{11-4} = 0b00000000;
4872 def MSRi : ABI<0b0011, (outs), (ins msr_mask:$mask, so_imm:$a), NoItinerary,
4873 "msr", "\t$mask, $a", []> {
4878 let Inst{22} = mask{4}; // R bit
4879 let Inst{21-20} = 0b10;
4880 let Inst{19-16} = mask{3-0};
4881 let Inst{15-12} = 0b1111;
4885 //===----------------------------------------------------------------------===//
4889 // __aeabi_read_tp preserves the registers r1-r3.
4890 // This is a pseudo inst so that we can get the encoding right,
4891 // complete with fixup for the aeabi_read_tp function.
4893 Defs = [R0, R12, LR, CPSR], Uses = [SP] in {
4894 def TPsoft : PseudoInst<(outs), (ins), IIC_Br,
4895 [(set R0, ARMthread_pointer)]>, Sched<[WriteBr]>;
4898 //===----------------------------------------------------------------------===//
4899 // SJLJ Exception handling intrinsics
4900 // eh_sjlj_setjmp() is an instruction sequence to store the return
4901 // address and save #0 in R0 for the non-longjmp case.
4902 // Since by its nature we may be coming from some other function to get
4903 // here, and we're using the stack frame for the containing function to
4904 // save/restore registers, we can't keep anything live in regs across
4905 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
4906 // when we get here from a longjmp(). We force everything out of registers
4907 // except for our own input by listing the relevant registers in Defs. By
4908 // doing so, we also cause the prologue/epilogue code to actively preserve
4909 // all of the callee-saved resgisters, which is exactly what we want.
4910 // A constant value is passed in $val, and we use the location as a scratch.
4912 // These are pseudo-instructions and are lowered to individual MC-insts, so
4913 // no encoding information is necessary.
4915 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR,
4916 Q0, Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8, Q9, Q10, Q11, Q12, Q13, Q14, Q15 ],
4917 hasSideEffects = 1, isBarrier = 1, usesCustomInserter = 1 in {
4918 def Int_eh_sjlj_setjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
4920 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
4921 Requires<[IsARM, HasVFP2]>;
4925 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR ],
4926 hasSideEffects = 1, isBarrier = 1, usesCustomInserter = 1 in {
4927 def Int_eh_sjlj_setjmp_nofp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
4929 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
4930 Requires<[IsARM, NoVFP]>;
4933 // FIXME: Non-IOS version(s)
4934 let isBarrier = 1, hasSideEffects = 1, isTerminator = 1,
4935 Defs = [ R7, LR, SP ] in {
4936 def Int_eh_sjlj_longjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$scratch),
4938 [(ARMeh_sjlj_longjmp GPR:$src, GPR:$scratch)]>,
4939 Requires<[IsARM, IsIOS]>;
4942 // eh.sjlj.dispatchsetup pseudo-instruction.
4943 // This pseudo is used for both ARM and Thumb. Any differences are handled when
4944 // the pseudo is expanded (which happens before any passes that need the
4945 // instruction size).
4946 let isBarrier = 1 in
4947 def Int_eh_sjlj_dispatchsetup : PseudoInst<(outs), (ins), NoItinerary, []>;
4950 //===----------------------------------------------------------------------===//
4951 // Non-Instruction Patterns
4954 // ARMv4 indirect branch using (MOVr PC, dst)
4955 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in
4956 def MOVPCRX : ARMPseudoExpand<(outs), (ins GPR:$dst),
4957 4, IIC_Br, [(brind GPR:$dst)],
4958 (MOVr PC, GPR:$dst, (ops 14, zero_reg), zero_reg)>,
4959 Requires<[IsARM, NoV4T]>, Sched<[WriteBr]>;
4961 // Large immediate handling.
4963 // 32-bit immediate using two piece so_imms or movw + movt.
4964 // This is a single pseudo instruction, the benefit is that it can be remat'd
4965 // as a single unit instead of having to handle reg inputs.
4966 // FIXME: Remove this when we can do generalized remat.
4967 let isReMaterializable = 1, isMoveImm = 1 in
4968 def MOVi32imm : PseudoInst<(outs GPR:$dst), (ins i32imm:$src), IIC_iMOVix2,
4969 [(set GPR:$dst, (arm_i32imm:$src))]>,
4972 // Pseudo instruction that combines movw + movt + add pc (if PIC).
4973 // It also makes it possible to rematerialize the instructions.
4974 // FIXME: Remove this when we can do generalized remat and when machine licm
4975 // can properly the instructions.
4976 let isReMaterializable = 1 in {
4977 def MOV_ga_pcrel : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
4979 [(set GPR:$dst, (ARMWrapperPIC tglobaladdr:$addr))]>,
4980 Requires<[IsARM, UseMovt]>;
4982 def MOV_ga_dyn : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
4984 [(set GPR:$dst, (ARMWrapperDYN tglobaladdr:$addr))]>,
4985 Requires<[IsARM, UseMovt]>;
4987 let AddedComplexity = 10 in
4988 def MOV_ga_pcrel_ldr : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
4990 [(set GPR:$dst, (load (ARMWrapperPIC tglobaladdr:$addr)))]>,
4991 Requires<[IsARM, UseMovt]>;
4992 } // isReMaterializable
4994 // ConstantPool, GlobalAddress, and JumpTable
4995 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>,
4996 Requires<[IsARM, DontUseMovt]>;
4997 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
4998 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
4999 Requires<[IsARM, UseMovt]>;
5000 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
5001 (LEApcrelJT tjumptable:$dst, imm:$id)>;
5003 // TODO: add,sub,and, 3-instr forms?
5005 // Tail calls. These patterns also apply to Thumb mode.
5006 def : Pat<(ARMtcret tcGPR:$dst), (TCRETURNri tcGPR:$dst)>;
5007 def : Pat<(ARMtcret (i32 tglobaladdr:$dst)), (TCRETURNdi texternalsym:$dst)>;
5008 def : Pat<(ARMtcret (i32 texternalsym:$dst)), (TCRETURNdi texternalsym:$dst)>;
5011 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>;
5012 def : ARMPat<(ARMcall_nolink texternalsym:$func),
5013 (BMOVPCB_CALL texternalsym:$func)>;
5015 // zextload i1 -> zextload i8
5016 def : ARMPat<(zextloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
5017 def : ARMPat<(zextloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
5019 // extload -> zextload
5020 def : ARMPat<(extloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
5021 def : ARMPat<(extloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
5022 def : ARMPat<(extloadi8 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
5023 def : ARMPat<(extloadi8 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
5025 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
5027 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
5028 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
5031 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
5032 (sra (shl GPR:$b, (i32 16)), (i32 16))),
5033 (SMULBB GPR:$a, GPR:$b)>;
5034 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
5035 (SMULBB GPR:$a, GPR:$b)>;
5036 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
5037 (sra GPR:$b, (i32 16))),
5038 (SMULBT GPR:$a, GPR:$b)>;
5039 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
5040 (SMULBT GPR:$a, GPR:$b)>;
5041 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
5042 (sra (shl GPR:$b, (i32 16)), (i32 16))),
5043 (SMULTB GPR:$a, GPR:$b)>;
5044 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
5045 (SMULTB GPR:$a, GPR:$b)>;
5046 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
5048 (SMULWB GPR:$a, GPR:$b)>;
5049 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
5050 (SMULWB GPR:$a, GPR:$b)>;
5052 def : ARMV5MOPat<(add GPR:$acc,
5053 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
5054 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
5055 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
5056 def : ARMV5MOPat<(add GPR:$acc,
5057 (mul sext_16_node:$a, sext_16_node:$b)),
5058 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
5059 def : ARMV5MOPat<(add GPR:$acc,
5060 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
5061 (sra GPR:$b, (i32 16)))),
5062 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
5063 def : ARMV5MOPat<(add GPR:$acc,
5064 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
5065 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
5066 def : ARMV5MOPat<(add GPR:$acc,
5067 (mul (sra GPR:$a, (i32 16)),
5068 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
5069 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
5070 def : ARMV5MOPat<(add GPR:$acc,
5071 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
5072 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
5073 def : ARMV5MOPat<(add GPR:$acc,
5074 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
5076 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
5077 def : ARMV5MOPat<(add GPR:$acc,
5078 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
5079 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
5082 // Pre-v7 uses MCR for synchronization barriers.
5083 def : ARMPat<(ARMMemBarrierMCR GPR:$zero), (MCR 15, 0, GPR:$zero, 7, 10, 5)>,
5084 Requires<[IsARM, HasV6]>;
5086 // SXT/UXT with no rotate
5087 let AddedComplexity = 16 in {
5088 def : ARMV6Pat<(and GPR:$Src, 0x000000FF), (UXTB GPR:$Src, 0)>;
5089 def : ARMV6Pat<(and GPR:$Src, 0x0000FFFF), (UXTH GPR:$Src, 0)>;
5090 def : ARMV6Pat<(and GPR:$Src, 0x00FF00FF), (UXTB16 GPR:$Src, 0)>;
5091 def : ARMV6Pat<(add GPR:$Rn, (and GPR:$Rm, 0x00FF)),
5092 (UXTAB GPR:$Rn, GPR:$Rm, 0)>;
5093 def : ARMV6Pat<(add GPR:$Rn, (and GPR:$Rm, 0xFFFF)),
5094 (UXTAH GPR:$Rn, GPR:$Rm, 0)>;
5097 def : ARMV6Pat<(sext_inreg GPR:$Src, i8), (SXTB GPR:$Src, 0)>;
5098 def : ARMV6Pat<(sext_inreg GPR:$Src, i16), (SXTH GPR:$Src, 0)>;
5100 def : ARMV6Pat<(add GPR:$Rn, (sext_inreg GPRnopc:$Rm, i8)),
5101 (SXTAB GPR:$Rn, GPRnopc:$Rm, 0)>;
5102 def : ARMV6Pat<(add GPR:$Rn, (sext_inreg GPRnopc:$Rm, i16)),
5103 (SXTAH GPR:$Rn, GPRnopc:$Rm, 0)>;
5105 // Atomic load/store patterns
5106 def : ARMPat<(atomic_load_8 ldst_so_reg:$src),
5107 (LDRBrs ldst_so_reg:$src)>;
5108 def : ARMPat<(atomic_load_8 addrmode_imm12:$src),
5109 (LDRBi12 addrmode_imm12:$src)>;
5110 def : ARMPat<(atomic_load_16 addrmode3:$src),
5111 (LDRH addrmode3:$src)>;
5112 def : ARMPat<(atomic_load_32 ldst_so_reg:$src),
5113 (LDRrs ldst_so_reg:$src)>;
5114 def : ARMPat<(atomic_load_32 addrmode_imm12:$src),
5115 (LDRi12 addrmode_imm12:$src)>;
5116 def : ARMPat<(atomic_store_8 ldst_so_reg:$ptr, GPR:$val),
5117 (STRBrs GPR:$val, ldst_so_reg:$ptr)>;
5118 def : ARMPat<(atomic_store_8 addrmode_imm12:$ptr, GPR:$val),
5119 (STRBi12 GPR:$val, addrmode_imm12:$ptr)>;
5120 def : ARMPat<(atomic_store_16 addrmode3:$ptr, GPR:$val),
5121 (STRH GPR:$val, addrmode3:$ptr)>;
5122 def : ARMPat<(atomic_store_32 ldst_so_reg:$ptr, GPR:$val),
5123 (STRrs GPR:$val, ldst_so_reg:$ptr)>;
5124 def : ARMPat<(atomic_store_32 addrmode_imm12:$ptr, GPR:$val),
5125 (STRi12 GPR:$val, addrmode_imm12:$ptr)>;
5128 //===----------------------------------------------------------------------===//
5132 include "ARMInstrThumb.td"
5134 //===----------------------------------------------------------------------===//
5138 include "ARMInstrThumb2.td"
5140 //===----------------------------------------------------------------------===//
5141 // Floating Point Support
5144 include "ARMInstrVFP.td"
5146 //===----------------------------------------------------------------------===//
5147 // Advanced SIMD (NEON) Support
5150 include "ARMInstrNEON.td"
5152 //===----------------------------------------------------------------------===//
5153 // Assembler aliases
5157 def : InstAlias<"dmb", (DMB 0xf)>, Requires<[IsARM, HasDB]>;
5158 def : InstAlias<"dsb", (DSB 0xf)>, Requires<[IsARM, HasDB]>;
5159 def : InstAlias<"isb", (ISB 0xf)>, Requires<[IsARM, HasDB]>;
5161 // System instructions
5162 def : MnemonicAlias<"swi", "svc">;
5164 // Load / Store Multiple
5165 def : MnemonicAlias<"ldmfd", "ldm">;
5166 def : MnemonicAlias<"ldmia", "ldm">;
5167 def : MnemonicAlias<"ldmea", "ldmdb">;
5168 def : MnemonicAlias<"stmfd", "stmdb">;
5169 def : MnemonicAlias<"stmia", "stm">;
5170 def : MnemonicAlias<"stmea", "stm">;
5172 // PKHBT/PKHTB with default shift amount. PKHTB is equivalent to PKHBT when the
5173 // shift amount is zero (i.e., unspecified).
5174 def : InstAlias<"pkhbt${p} $Rd, $Rn, $Rm",
5175 (PKHBT GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, 0, pred:$p)>,
5176 Requires<[IsARM, HasV6]>;
5177 def : InstAlias<"pkhtb${p} $Rd, $Rn, $Rm",
5178 (PKHBT GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, 0, pred:$p)>,
5179 Requires<[IsARM, HasV6]>;
5181 // PUSH/POP aliases for STM/LDM
5182 def : ARMInstAlias<"push${p} $regs", (STMDB_UPD SP, pred:$p, reglist:$regs)>;
5183 def : ARMInstAlias<"pop${p} $regs", (LDMIA_UPD SP, pred:$p, reglist:$regs)>;
5185 // SSAT/USAT optional shift operand.
5186 def : ARMInstAlias<"ssat${p} $Rd, $sat_imm, $Rn",
5187 (SSAT GPRnopc:$Rd, imm1_32:$sat_imm, GPRnopc:$Rn, 0, pred:$p)>;
5188 def : ARMInstAlias<"usat${p} $Rd, $sat_imm, $Rn",
5189 (USAT GPRnopc:$Rd, imm0_31:$sat_imm, GPRnopc:$Rn, 0, pred:$p)>;
5192 // Extend instruction optional rotate operand.
5193 def : ARMInstAlias<"sxtab${p} $Rd, $Rn, $Rm",
5194 (SXTAB GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5195 def : ARMInstAlias<"sxtah${p} $Rd, $Rn, $Rm",
5196 (SXTAH GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5197 def : ARMInstAlias<"sxtab16${p} $Rd, $Rn, $Rm",
5198 (SXTAB16 GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5199 def : ARMInstAlias<"sxtb${p} $Rd, $Rm",
5200 (SXTB GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5201 def : ARMInstAlias<"sxtb16${p} $Rd, $Rm",
5202 (SXTB16 GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5203 def : ARMInstAlias<"sxth${p} $Rd, $Rm",
5204 (SXTH GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5206 def : ARMInstAlias<"uxtab${p} $Rd, $Rn, $Rm",
5207 (UXTAB GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5208 def : ARMInstAlias<"uxtah${p} $Rd, $Rn, $Rm",
5209 (UXTAH GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5210 def : ARMInstAlias<"uxtab16${p} $Rd, $Rn, $Rm",
5211 (UXTAB16 GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5212 def : ARMInstAlias<"uxtb${p} $Rd, $Rm",
5213 (UXTB GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5214 def : ARMInstAlias<"uxtb16${p} $Rd, $Rm",
5215 (UXTB16 GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5216 def : ARMInstAlias<"uxth${p} $Rd, $Rm",
5217 (UXTH GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5221 def : MnemonicAlias<"rfefa", "rfeda">;
5222 def : MnemonicAlias<"rfeea", "rfedb">;
5223 def : MnemonicAlias<"rfefd", "rfeia">;
5224 def : MnemonicAlias<"rfeed", "rfeib">;
5225 def : MnemonicAlias<"rfe", "rfeia">;
5228 def : MnemonicAlias<"srsfa", "srsib">;
5229 def : MnemonicAlias<"srsea", "srsia">;
5230 def : MnemonicAlias<"srsfd", "srsdb">;
5231 def : MnemonicAlias<"srsed", "srsda">;
5232 def : MnemonicAlias<"srs", "srsia">;
5235 def : MnemonicAlias<"qsubaddx", "qsax">;
5237 def : MnemonicAlias<"saddsubx", "sasx">;
5238 // SHASX == SHADDSUBX
5239 def : MnemonicAlias<"shaddsubx", "shasx">;
5240 // SHSAX == SHSUBADDX
5241 def : MnemonicAlias<"shsubaddx", "shsax">;
5243 def : MnemonicAlias<"ssubaddx", "ssax">;
5245 def : MnemonicAlias<"uaddsubx", "uasx">;
5246 // UHASX == UHADDSUBX
5247 def : MnemonicAlias<"uhaddsubx", "uhasx">;
5248 // UHSAX == UHSUBADDX
5249 def : MnemonicAlias<"uhsubaddx", "uhsax">;
5250 // UQASX == UQADDSUBX
5251 def : MnemonicAlias<"uqaddsubx", "uqasx">;
5252 // UQSAX == UQSUBADDX
5253 def : MnemonicAlias<"uqsubaddx", "uqsax">;
5255 def : MnemonicAlias<"usubaddx", "usax">;
5257 // "mov Rd, so_imm_not" can be handled via "mvn" in assembly, just like
5259 def : ARMInstAlias<"mov${s}${p} $Rd, $imm",
5260 (MVNi rGPR:$Rd, so_imm_not:$imm, pred:$p, cc_out:$s)>;
5261 def : ARMInstAlias<"mvn${s}${p} $Rd, $imm",
5262 (MOVi rGPR:$Rd, so_imm_not:$imm, pred:$p, cc_out:$s)>;
5263 // Same for AND <--> BIC
5264 def : ARMInstAlias<"bic${s}${p} $Rd, $Rn, $imm",
5265 (ANDri rGPR:$Rd, rGPR:$Rn, so_imm_not:$imm,
5266 pred:$p, cc_out:$s)>;
5267 def : ARMInstAlias<"bic${s}${p} $Rdn, $imm",
5268 (ANDri rGPR:$Rdn, rGPR:$Rdn, so_imm_not:$imm,
5269 pred:$p, cc_out:$s)>;
5270 def : ARMInstAlias<"and${s}${p} $Rd, $Rn, $imm",
5271 (BICri rGPR:$Rd, rGPR:$Rn, so_imm_not:$imm,
5272 pred:$p, cc_out:$s)>;
5273 def : ARMInstAlias<"and${s}${p} $Rdn, $imm",
5274 (BICri rGPR:$Rdn, rGPR:$Rdn, so_imm_not:$imm,
5275 pred:$p, cc_out:$s)>;
5277 // Likewise, "add Rd, so_imm_neg" -> sub
5278 def : ARMInstAlias<"add${s}${p} $Rd, $Rn, $imm",
5279 (SUBri GPR:$Rd, GPR:$Rn, so_imm_neg:$imm, pred:$p, cc_out:$s)>;
5280 def : ARMInstAlias<"add${s}${p} $Rd, $imm",
5281 (SUBri GPR:$Rd, GPR:$Rd, so_imm_neg:$imm, pred:$p, cc_out:$s)>;
5282 // Same for CMP <--> CMN via so_imm_neg
5283 def : ARMInstAlias<"cmp${p} $Rd, $imm",
5284 (CMNri rGPR:$Rd, so_imm_neg:$imm, pred:$p)>;
5285 def : ARMInstAlias<"cmn${p} $Rd, $imm",
5286 (CMPri rGPR:$Rd, so_imm_neg:$imm, pred:$p)>;
5288 // The shifter forms of the MOV instruction are aliased to the ASR, LSL,
5289 // LSR, ROR, and RRX instructions.
5290 // FIXME: We need C++ parser hooks to map the alias to the MOV
5291 // encoding. It seems we should be able to do that sort of thing
5292 // in tblgen, but it could get ugly.
5293 let TwoOperandAliasConstraint = "$Rm = $Rd" in {
5294 def ASRi : ARMAsmPseudo<"asr${s}${p} $Rd, $Rm, $imm",
5295 (ins GPR:$Rd, GPR:$Rm, imm0_32:$imm, pred:$p,
5297 def LSRi : ARMAsmPseudo<"lsr${s}${p} $Rd, $Rm, $imm",
5298 (ins GPR:$Rd, GPR:$Rm, imm0_32:$imm, pred:$p,
5300 def LSLi : ARMAsmPseudo<"lsl${s}${p} $Rd, $Rm, $imm",
5301 (ins GPR:$Rd, GPR:$Rm, imm0_31:$imm, pred:$p,
5303 def RORi : ARMAsmPseudo<"ror${s}${p} $Rd, $Rm, $imm",
5304 (ins GPR:$Rd, GPR:$Rm, imm0_31:$imm, pred:$p,
5307 def RRXi : ARMAsmPseudo<"rrx${s}${p} $Rd, $Rm",
5308 (ins GPR:$Rd, GPR:$Rm, pred:$p, cc_out:$s)>;
5309 let TwoOperandAliasConstraint = "$Rn = $Rd" in {
5310 def ASRr : ARMAsmPseudo<"asr${s}${p} $Rd, $Rn, $Rm",
5311 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5313 def LSRr : ARMAsmPseudo<"lsr${s}${p} $Rd, $Rn, $Rm",
5314 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5316 def LSLr : ARMAsmPseudo<"lsl${s}${p} $Rd, $Rn, $Rm",
5317 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5319 def RORr : ARMAsmPseudo<"ror${s}${p} $Rd, $Rn, $Rm",
5320 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5324 // "neg" is and alias for "rsb rd, rn, #0"
5325 def : ARMInstAlias<"neg${s}${p} $Rd, $Rm",
5326 (RSBri GPR:$Rd, GPR:$Rm, 0, pred:$p, cc_out:$s)>;
5328 // Pre-v6, 'mov r0, r0' was used as a NOP encoding.
5329 def : InstAlias<"nop${p}", (MOVr R0, R0, pred:$p, zero_reg)>,
5330 Requires<[IsARM, NoV6]>;
5332 // UMULL/SMULL are available on all arches, but the instruction definitions
5333 // need difference constraints pre-v6. Use these aliases for the assembly
5334 // parsing on pre-v6.
5335 def : InstAlias<"smull${s}${p} $RdLo, $RdHi, $Rn, $Rm",
5336 (SMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
5337 Requires<[IsARM, NoV6]>;
5338 def : InstAlias<"umull${s}${p} $RdLo, $RdHi, $Rn, $Rm",
5339 (UMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
5340 Requires<[IsARM, NoV6]>;
5342 // 'it' blocks in ARM mode just validate the predicates. The IT itself
5344 def ITasm : ARMAsmPseudo<"it$mask $cc", (ins it_pred:$cc, it_mask:$mask)>;