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 SDT_ARMVMAXNM : SDTypeProfile<1, 2, [SDTCisFP<0>, SDTCisFP<1>, SDTCisFP<2>]>;
75 def SDT_ARMVMINNM : SDTypeProfile<1, 2, [SDTCisFP<0>, SDTCisFP<1>, SDTCisFP<2>]>;
77 def SDTBinaryArithWithFlags : SDTypeProfile<2, 2,
80 SDTCisInt<0>, SDTCisVT<1, i32>]>;
82 // SDTBinaryArithWithFlagsInOut - RES1, CPSR = op LHS, RHS, CPSR
83 def SDTBinaryArithWithFlagsInOut : SDTypeProfile<2, 3,
90 def SDT_ARM64bitmlal : SDTypeProfile<2,4, [ SDTCisVT<0, i32>, SDTCisVT<1, i32>,
91 SDTCisVT<2, i32>, SDTCisVT<3, i32>,
92 SDTCisVT<4, i32>, SDTCisVT<5, i32> ] >;
93 def ARMUmlal : SDNode<"ARMISD::UMLAL", SDT_ARM64bitmlal>;
94 def ARMSmlal : SDNode<"ARMISD::SMLAL", SDT_ARM64bitmlal>;
97 def ARMWrapper : SDNode<"ARMISD::Wrapper", SDTIntUnaryOp>;
98 def ARMWrapperDYN : SDNode<"ARMISD::WrapperDYN", SDTIntUnaryOp>;
99 def ARMWrapperPIC : SDNode<"ARMISD::WrapperPIC", SDTIntUnaryOp>;
100 def ARMWrapperJT : SDNode<"ARMISD::WrapperJT", SDTIntBinOp>;
102 def ARMcallseq_start : SDNode<"ISD::CALLSEQ_START", SDT_ARMCallSeqStart,
103 [SDNPHasChain, SDNPSideEffect, SDNPOutGlue]>;
104 def ARMcallseq_end : SDNode<"ISD::CALLSEQ_END", SDT_ARMCallSeqEnd,
105 [SDNPHasChain, SDNPSideEffect,
106 SDNPOptInGlue, SDNPOutGlue]>;
107 def ARMcopystructbyval : SDNode<"ARMISD::COPY_STRUCT_BYVAL" ,
109 [SDNPHasChain, SDNPInGlue, SDNPOutGlue,
110 SDNPMayStore, SDNPMayLoad]>;
112 def ARMcall : SDNode<"ARMISD::CALL", SDT_ARMcall,
113 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
115 def ARMcall_pred : SDNode<"ARMISD::CALL_PRED", SDT_ARMcall,
116 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
118 def ARMcall_nolink : SDNode<"ARMISD::CALL_NOLINK", SDT_ARMcall,
119 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
122 def ARMretflag : SDNode<"ARMISD::RET_FLAG", SDTNone,
123 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
125 def ARMcmov : SDNode<"ARMISD::CMOV", SDT_ARMCMov,
128 def ARMbrcond : SDNode<"ARMISD::BRCOND", SDT_ARMBrcond,
129 [SDNPHasChain, SDNPInGlue, SDNPOutGlue]>;
131 def ARMbrjt : SDNode<"ARMISD::BR_JT", SDT_ARMBrJT,
133 def ARMbr2jt : SDNode<"ARMISD::BR2_JT", SDT_ARMBr2JT,
136 def ARMBcci64 : SDNode<"ARMISD::BCC_i64", SDT_ARMBCC_i64,
139 def ARMcmp : SDNode<"ARMISD::CMP", SDT_ARMCmp,
142 def ARMcmn : SDNode<"ARMISD::CMN", SDT_ARMCmp,
145 def ARMcmpZ : SDNode<"ARMISD::CMPZ", SDT_ARMCmp,
146 [SDNPOutGlue, SDNPCommutative]>;
148 def ARMpic_add : SDNode<"ARMISD::PIC_ADD", SDT_ARMPICAdd>;
150 def ARMsrl_flag : SDNode<"ARMISD::SRL_FLAG", SDTIntUnaryOp, [SDNPOutGlue]>;
151 def ARMsra_flag : SDNode<"ARMISD::SRA_FLAG", SDTIntUnaryOp, [SDNPOutGlue]>;
152 def ARMrrx : SDNode<"ARMISD::RRX" , SDTIntUnaryOp, [SDNPInGlue ]>;
154 def ARMaddc : SDNode<"ARMISD::ADDC", SDTBinaryArithWithFlags,
156 def ARMsubc : SDNode<"ARMISD::SUBC", SDTBinaryArithWithFlags>;
157 def ARMadde : SDNode<"ARMISD::ADDE", SDTBinaryArithWithFlagsInOut>;
158 def ARMsube : SDNode<"ARMISD::SUBE", SDTBinaryArithWithFlagsInOut>;
160 def ARMthread_pointer: SDNode<"ARMISD::THREAD_POINTER", SDT_ARMThreadPointer>;
161 def ARMeh_sjlj_setjmp: SDNode<"ARMISD::EH_SJLJ_SETJMP",
162 SDT_ARMEH_SJLJ_Setjmp,
163 [SDNPHasChain, SDNPSideEffect]>;
164 def ARMeh_sjlj_longjmp: SDNode<"ARMISD::EH_SJLJ_LONGJMP",
165 SDT_ARMEH_SJLJ_Longjmp,
166 [SDNPHasChain, SDNPSideEffect]>;
168 def ARMMemBarrierMCR : SDNode<"ARMISD::MEMBARRIER_MCR", SDT_ARMMEMBARRIER,
169 [SDNPHasChain, SDNPSideEffect]>;
170 def ARMPreload : SDNode<"ARMISD::PRELOAD", SDT_ARMPREFETCH,
171 [SDNPHasChain, SDNPMayLoad, SDNPMayStore]>;
173 def ARMrbit : SDNode<"ARMISD::RBIT", SDTIntUnaryOp>;
175 def ARMtcret : SDNode<"ARMISD::TC_RETURN", SDT_ARMTCRET,
176 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
178 def ARMbfi : SDNode<"ARMISD::BFI", SDT_ARMBFI>;
180 def ARMvmaxnm : SDNode<"ARMISD::VMAXNM", SDT_ARMVMAXNM, []>;
181 def ARMvminnm : SDNode<"ARMISD::VMINNM", SDT_ARMVMINNM, []>;
183 //===----------------------------------------------------------------------===//
184 // ARM Instruction Predicate Definitions.
186 def HasV4T : Predicate<"Subtarget->hasV4TOps()">,
187 AssemblerPredicate<"HasV4TOps", "armv4t">;
188 def NoV4T : Predicate<"!Subtarget->hasV4TOps()">;
189 def HasV5T : Predicate<"Subtarget->hasV5TOps()">;
190 def HasV5TE : Predicate<"Subtarget->hasV5TEOps()">,
191 AssemblerPredicate<"HasV5TEOps", "armv5te">;
192 def HasV6 : Predicate<"Subtarget->hasV6Ops()">,
193 AssemblerPredicate<"HasV6Ops", "armv6">;
194 def NoV6 : Predicate<"!Subtarget->hasV6Ops()">;
195 def HasV6T2 : Predicate<"Subtarget->hasV6T2Ops()">,
196 AssemblerPredicate<"HasV6T2Ops", "armv6t2">;
197 def NoV6T2 : Predicate<"!Subtarget->hasV6T2Ops()">;
198 def HasV7 : Predicate<"Subtarget->hasV7Ops()">,
199 AssemblerPredicate<"HasV7Ops", "armv7">;
200 def HasV8 : Predicate<"Subtarget->hasV8Ops()">,
201 AssemblerPredicate<"HasV8Ops", "armv8">;
202 def PreV8 : Predicate<"!Subtarget->hasV8Ops()">,
203 AssemblerPredicate<"!HasV8Ops", "armv7 or earlier">;
204 def NoVFP : Predicate<"!Subtarget->hasVFP2()">;
205 def HasVFP2 : Predicate<"Subtarget->hasVFP2()">,
206 AssemblerPredicate<"FeatureVFP2", "VFP2">;
207 def HasVFP3 : Predicate<"Subtarget->hasVFP3()">,
208 AssemblerPredicate<"FeatureVFP3", "VFP3">;
209 def HasVFP4 : Predicate<"Subtarget->hasVFP4()">,
210 AssemblerPredicate<"FeatureVFP4", "VFP4">;
211 def HasFPARMv8 : Predicate<"Subtarget->hasFPARMv8()">,
212 AssemblerPredicate<"FeatureFPARMv8", "FPARMv8">;
213 def HasNEON : Predicate<"Subtarget->hasNEON()">,
214 AssemblerPredicate<"FeatureNEON", "NEON">;
215 def HasCrypto : Predicate<"Subtarget->hasCrypto()">,
216 AssemblerPredicate<"FeatureCrypto", "crypto">;
217 def HasFP16 : Predicate<"Subtarget->hasFP16()">,
218 AssemblerPredicate<"FeatureFP16","half-float">;
219 def HasDivide : Predicate<"Subtarget->hasDivide()">,
220 AssemblerPredicate<"FeatureHWDiv", "divide">;
221 def HasDivideInARM : Predicate<"Subtarget->hasDivideInARMMode()">,
222 AssemblerPredicate<"FeatureHWDivARM">;
223 def HasT2ExtractPack : Predicate<"Subtarget->hasT2ExtractPack()">,
224 AssemblerPredicate<"FeatureT2XtPk",
226 def HasThumb2DSP : Predicate<"Subtarget->hasThumb2DSP()">,
227 AssemblerPredicate<"FeatureDSPThumb2",
229 def HasDB : Predicate<"Subtarget->hasDataBarrier()">,
230 AssemblerPredicate<"FeatureDB",
232 def HasMP : Predicate<"Subtarget->hasMPExtension()">,
233 AssemblerPredicate<"FeatureMP",
235 def HasTrustZone : Predicate<"Subtarget->hasTrustZone()">,
236 AssemblerPredicate<"FeatureTrustZone",
238 def UseNEONForFP : Predicate<"Subtarget->useNEONForSinglePrecisionFP()">;
239 def DontUseNEONForFP : Predicate<"!Subtarget->useNEONForSinglePrecisionFP()">;
240 def IsThumb : Predicate<"Subtarget->isThumb()">,
241 AssemblerPredicate<"ModeThumb", "thumb">;
242 def IsThumb1Only : Predicate<"Subtarget->isThumb1Only()">;
243 def IsThumb2 : Predicate<"Subtarget->isThumb2()">,
244 AssemblerPredicate<"ModeThumb,FeatureThumb2",
246 def IsMClass : Predicate<"Subtarget->isMClass()">,
247 AssemblerPredicate<"FeatureMClass", "armv*m">;
248 def IsNotMClass : Predicate<"!Subtarget->isMClass()">,
249 AssemblerPredicate<"!FeatureMClass",
251 def IsARM : Predicate<"!Subtarget->isThumb()">,
252 AssemblerPredicate<"!ModeThumb", "arm-mode">;
253 def IsIOS : Predicate<"Subtarget->isTargetIOS()">;
254 def IsNotIOS : Predicate<"!Subtarget->isTargetIOS()">;
255 def IsNaCl : Predicate<"Subtarget->isTargetNaCl()">;
256 def UseNaClTrap : Predicate<"Subtarget->useNaClTrap()">,
257 AssemblerPredicate<"FeatureNaClTrap", "NaCl">;
258 def DontUseNaClTrap : Predicate<"!Subtarget->useNaClTrap()">;
260 // FIXME: Eventually this will be just "hasV6T2Ops".
261 def UseMovt : Predicate<"Subtarget->useMovt()">;
262 def DontUseMovt : Predicate<"!Subtarget->useMovt()">;
263 def UseFPVMLx : Predicate<"Subtarget->useFPVMLx()">;
264 def UseMulOps : Predicate<"Subtarget->useMulOps()">;
266 // Prefer fused MAC for fp mul + add over fp VMLA / VMLS if they are available.
267 // But only select them if more precision in FP computation is allowed.
268 // Do not use them for Darwin platforms.
269 def UseFusedMAC : Predicate<"(TM.Options.AllowFPOpFusion =="
270 " FPOpFusion::Fast) && "
271 "!Subtarget->isTargetDarwin()">;
272 def DontUseFusedMAC : Predicate<"!(TM.Options.AllowFPOpFusion =="
273 " FPOpFusion::Fast &&"
274 " Subtarget->hasVFP4()) || "
275 "Subtarget->isTargetDarwin()">;
277 // VGETLNi32 is microcoded on Swift - prefer VMOV.
278 def HasFastVGETLNi32 : Predicate<"!Subtarget->isSwift()">;
279 def HasSlowVGETLNi32 : Predicate<"Subtarget->isSwift()">;
281 // VDUP.32 is microcoded on Swift - prefer VMOV.
282 def HasFastVDUP32 : Predicate<"!Subtarget->isSwift()">;
283 def HasSlowVDUP32 : Predicate<"Subtarget->isSwift()">;
285 // Cortex-A9 prefers VMOVSR to VMOVDRR even when using NEON for scalar FP, as
286 // this allows more effective execution domain optimization. See
287 // setExecutionDomain().
288 def UseVMOVSR : Predicate<"Subtarget->isCortexA9() || !Subtarget->useNEONForSinglePrecisionFP()">;
289 def DontUseVMOVSR : Predicate<"!Subtarget->isCortexA9() && Subtarget->useNEONForSinglePrecisionFP()">;
291 def IsLE : Predicate<"getTargetLowering()->isLittleEndian()">;
292 def IsBE : Predicate<"getTargetLowering()->isBigEndian()">;
294 //===----------------------------------------------------------------------===//
295 // ARM Flag Definitions.
297 class RegConstraint<string C> {
298 string Constraints = C;
301 //===----------------------------------------------------------------------===//
302 // ARM specific transformation functions and pattern fragments.
305 // imm_neg_XFORM - Return the negation of an i32 immediate value.
306 def imm_neg_XFORM : SDNodeXForm<imm, [{
307 return CurDAG->getTargetConstant(-(int)N->getZExtValue(), MVT::i32);
310 // imm_not_XFORM - Return the complement of a i32 immediate value.
311 def imm_not_XFORM : SDNodeXForm<imm, [{
312 return CurDAG->getTargetConstant(~(int)N->getZExtValue(), MVT::i32);
315 /// imm16_31 predicate - True if the 32-bit immediate is in the range [16,31].
316 def imm16_31 : ImmLeaf<i32, [{
317 return (int32_t)Imm >= 16 && (int32_t)Imm < 32;
320 def so_imm_neg_asmoperand : AsmOperandClass { let Name = "ARMSOImmNeg"; }
321 def so_imm_neg : Operand<i32>, PatLeaf<(imm), [{
322 unsigned Value = -(unsigned)N->getZExtValue();
323 return Value && ARM_AM::getSOImmVal(Value) != -1;
325 let ParserMatchClass = so_imm_neg_asmoperand;
328 // Note: this pattern doesn't require an encoder method and such, as it's
329 // only used on aliases (Pat<> and InstAlias<>). The actual encoding
330 // is handled by the destination instructions, which use so_imm.
331 def so_imm_not_asmoperand : AsmOperandClass { let Name = "ARMSOImmNot"; }
332 def so_imm_not : Operand<i32>, PatLeaf<(imm), [{
333 return ARM_AM::getSOImmVal(~(uint32_t)N->getZExtValue()) != -1;
335 let ParserMatchClass = so_imm_not_asmoperand;
338 // sext_16_node predicate - True if the SDNode is sign-extended 16 or more bits.
339 def sext_16_node : PatLeaf<(i32 GPR:$a), [{
340 return CurDAG->ComputeNumSignBits(SDValue(N,0)) >= 17;
343 /// Split a 32-bit immediate into two 16 bit parts.
344 def hi16 : SDNodeXForm<imm, [{
345 return CurDAG->getTargetConstant((uint32_t)N->getZExtValue() >> 16, MVT::i32);
348 def lo16AllZero : PatLeaf<(i32 imm), [{
349 // Returns true if all low 16-bits are 0.
350 return (((uint32_t)N->getZExtValue()) & 0xFFFFUL) == 0;
353 class BinOpWithFlagFrag<dag res> :
354 PatFrag<(ops node:$LHS, node:$RHS, node:$FLAG), res>;
355 class BinOpFrag<dag res> : PatFrag<(ops node:$LHS, node:$RHS), res>;
356 class UnOpFrag <dag res> : PatFrag<(ops node:$Src), res>;
358 // An 'and' node with a single use.
359 def and_su : PatFrag<(ops node:$lhs, node:$rhs), (and node:$lhs, node:$rhs), [{
360 return N->hasOneUse();
363 // An 'xor' node with a single use.
364 def xor_su : PatFrag<(ops node:$lhs, node:$rhs), (xor node:$lhs, node:$rhs), [{
365 return N->hasOneUse();
368 // An 'fmul' node with a single use.
369 def fmul_su : PatFrag<(ops node:$lhs, node:$rhs), (fmul node:$lhs, node:$rhs),[{
370 return N->hasOneUse();
373 // An 'fadd' node which checks for single non-hazardous use.
374 def fadd_mlx : PatFrag<(ops node:$lhs, node:$rhs),(fadd node:$lhs, node:$rhs),[{
375 return hasNoVMLxHazardUse(N);
378 // An 'fsub' node which checks for single non-hazardous use.
379 def fsub_mlx : PatFrag<(ops node:$lhs, node:$rhs),(fsub node:$lhs, node:$rhs),[{
380 return hasNoVMLxHazardUse(N);
383 //===----------------------------------------------------------------------===//
384 // Operand Definitions.
387 // Immediate operands with a shared generic asm render method.
388 class ImmAsmOperand : AsmOperandClass { let RenderMethod = "addImmOperands"; }
391 // FIXME: rename brtarget to t2_brtarget
392 def brtarget : Operand<OtherVT> {
393 let EncoderMethod = "getBranchTargetOpValue";
394 let OperandType = "OPERAND_PCREL";
395 let DecoderMethod = "DecodeT2BROperand";
398 // FIXME: get rid of this one?
399 def uncondbrtarget : Operand<OtherVT> {
400 let EncoderMethod = "getUnconditionalBranchTargetOpValue";
401 let OperandType = "OPERAND_PCREL";
404 // Branch target for ARM. Handles conditional/unconditional
405 def br_target : Operand<OtherVT> {
406 let EncoderMethod = "getARMBranchTargetOpValue";
407 let OperandType = "OPERAND_PCREL";
411 // FIXME: rename bltarget to t2_bl_target?
412 def bltarget : Operand<i32> {
413 // Encoded the same as branch targets.
414 let EncoderMethod = "getBranchTargetOpValue";
415 let OperandType = "OPERAND_PCREL";
418 // Call target for ARM. Handles conditional/unconditional
419 // FIXME: rename bl_target to t2_bltarget?
420 def bl_target : Operand<i32> {
421 let EncoderMethod = "getARMBLTargetOpValue";
422 let OperandType = "OPERAND_PCREL";
425 def blx_target : Operand<i32> {
426 let EncoderMethod = "getARMBLXTargetOpValue";
427 let OperandType = "OPERAND_PCREL";
430 // A list of registers separated by comma. Used by load/store multiple.
431 def RegListAsmOperand : AsmOperandClass { let Name = "RegList"; }
432 def reglist : Operand<i32> {
433 let EncoderMethod = "getRegisterListOpValue";
434 let ParserMatchClass = RegListAsmOperand;
435 let PrintMethod = "printRegisterList";
436 let DecoderMethod = "DecodeRegListOperand";
439 def GPRPairOp : RegisterOperand<GPRPair, "printGPRPairOperand">;
441 def DPRRegListAsmOperand : AsmOperandClass { let Name = "DPRRegList"; }
442 def dpr_reglist : Operand<i32> {
443 let EncoderMethod = "getRegisterListOpValue";
444 let ParserMatchClass = DPRRegListAsmOperand;
445 let PrintMethod = "printRegisterList";
446 let DecoderMethod = "DecodeDPRRegListOperand";
449 def SPRRegListAsmOperand : AsmOperandClass { let Name = "SPRRegList"; }
450 def spr_reglist : Operand<i32> {
451 let EncoderMethod = "getRegisterListOpValue";
452 let ParserMatchClass = SPRRegListAsmOperand;
453 let PrintMethod = "printRegisterList";
454 let DecoderMethod = "DecodeSPRRegListOperand";
457 // An operand for the CONSTPOOL_ENTRY pseudo-instruction.
458 def cpinst_operand : Operand<i32> {
459 let PrintMethod = "printCPInstOperand";
463 def pclabel : Operand<i32> {
464 let PrintMethod = "printPCLabel";
467 // ADR instruction labels.
468 def AdrLabelAsmOperand : AsmOperandClass { let Name = "AdrLabel"; }
469 def adrlabel : Operand<i32> {
470 let EncoderMethod = "getAdrLabelOpValue";
471 let ParserMatchClass = AdrLabelAsmOperand;
472 let PrintMethod = "printAdrLabelOperand<0>";
475 def neon_vcvt_imm32 : Operand<i32> {
476 let EncoderMethod = "getNEONVcvtImm32OpValue";
477 let DecoderMethod = "DecodeVCVTImmOperand";
480 // rot_imm: An integer that encodes a rotate amount. Must be 8, 16, or 24.
481 def rot_imm_XFORM: SDNodeXForm<imm, [{
482 switch (N->getZExtValue()){
484 case 0: return CurDAG->getTargetConstant(0, MVT::i32);
485 case 8: return CurDAG->getTargetConstant(1, MVT::i32);
486 case 16: return CurDAG->getTargetConstant(2, MVT::i32);
487 case 24: return CurDAG->getTargetConstant(3, MVT::i32);
490 def RotImmAsmOperand : AsmOperandClass {
492 let ParserMethod = "parseRotImm";
494 def rot_imm : Operand<i32>, PatLeaf<(i32 imm), [{
495 int32_t v = N->getZExtValue();
496 return v == 8 || v == 16 || v == 24; }],
498 let PrintMethod = "printRotImmOperand";
499 let ParserMatchClass = RotImmAsmOperand;
502 // shift_imm: An integer that encodes a shift amount and the type of shift
503 // (asr or lsl). The 6-bit immediate encodes as:
506 // {4-0} imm5 shift amount.
507 // asr #32 encoded as imm5 == 0.
508 def ShifterImmAsmOperand : AsmOperandClass {
509 let Name = "ShifterImm";
510 let ParserMethod = "parseShifterImm";
512 def shift_imm : Operand<i32> {
513 let PrintMethod = "printShiftImmOperand";
514 let ParserMatchClass = ShifterImmAsmOperand;
517 // shifter_operand operands: so_reg_reg, so_reg_imm, and so_imm.
518 def ShiftedRegAsmOperand : AsmOperandClass { let Name = "RegShiftedReg"; }
519 def so_reg_reg : Operand<i32>, // reg reg imm
520 ComplexPattern<i32, 3, "SelectRegShifterOperand",
521 [shl, srl, sra, rotr]> {
522 let EncoderMethod = "getSORegRegOpValue";
523 let PrintMethod = "printSORegRegOperand";
524 let DecoderMethod = "DecodeSORegRegOperand";
525 let ParserMatchClass = ShiftedRegAsmOperand;
526 let MIOperandInfo = (ops GPRnopc, GPRnopc, i32imm);
529 def ShiftedImmAsmOperand : AsmOperandClass { let Name = "RegShiftedImm"; }
530 def so_reg_imm : Operand<i32>, // reg imm
531 ComplexPattern<i32, 2, "SelectImmShifterOperand",
532 [shl, srl, sra, rotr]> {
533 let EncoderMethod = "getSORegImmOpValue";
534 let PrintMethod = "printSORegImmOperand";
535 let DecoderMethod = "DecodeSORegImmOperand";
536 let ParserMatchClass = ShiftedImmAsmOperand;
537 let MIOperandInfo = (ops GPR, i32imm);
540 // FIXME: Does this need to be distinct from so_reg?
541 def shift_so_reg_reg : Operand<i32>, // reg reg imm
542 ComplexPattern<i32, 3, "SelectShiftRegShifterOperand",
543 [shl,srl,sra,rotr]> {
544 let EncoderMethod = "getSORegRegOpValue";
545 let PrintMethod = "printSORegRegOperand";
546 let DecoderMethod = "DecodeSORegRegOperand";
547 let ParserMatchClass = ShiftedRegAsmOperand;
548 let MIOperandInfo = (ops GPR, GPR, i32imm);
551 // FIXME: Does this need to be distinct from so_reg?
552 def shift_so_reg_imm : Operand<i32>, // reg reg imm
553 ComplexPattern<i32, 2, "SelectShiftImmShifterOperand",
554 [shl,srl,sra,rotr]> {
555 let EncoderMethod = "getSORegImmOpValue";
556 let PrintMethod = "printSORegImmOperand";
557 let DecoderMethod = "DecodeSORegImmOperand";
558 let ParserMatchClass = ShiftedImmAsmOperand;
559 let MIOperandInfo = (ops GPR, i32imm);
563 // so_imm - Match a 32-bit shifter_operand immediate operand, which is an
564 // 8-bit immediate rotated by an arbitrary number of bits.
565 def SOImmAsmOperand: ImmAsmOperand { let Name = "ARMSOImm"; }
566 def so_imm : Operand<i32>, ImmLeaf<i32, [{
567 return ARM_AM::getSOImmVal(Imm) != -1;
569 let EncoderMethod = "getSOImmOpValue";
570 let ParserMatchClass = SOImmAsmOperand;
571 let DecoderMethod = "DecodeSOImmOperand";
574 // Break so_imm's up into two pieces. This handles immediates with up to 16
575 // bits set in them. This uses so_imm2part to match and so_imm2part_[12] to
576 // get the first/second pieces.
577 def so_imm2part : PatLeaf<(imm), [{
578 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
581 /// arm_i32imm - True for +V6T2, or true only if so_imm2part is true.
583 def arm_i32imm : PatLeaf<(imm), [{
584 if (Subtarget->hasV6T2Ops())
586 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
589 /// imm0_1 predicate - Immediate in the range [0,1].
590 def Imm0_1AsmOperand: ImmAsmOperand { let Name = "Imm0_1"; }
591 def imm0_1 : Operand<i32> { let ParserMatchClass = Imm0_1AsmOperand; }
593 /// imm0_3 predicate - Immediate in the range [0,3].
594 def Imm0_3AsmOperand: ImmAsmOperand { let Name = "Imm0_3"; }
595 def imm0_3 : Operand<i32> { let ParserMatchClass = Imm0_3AsmOperand; }
597 /// imm0_7 predicate - Immediate in the range [0,7].
598 def Imm0_7AsmOperand: ImmAsmOperand { let Name = "Imm0_7"; }
599 def imm0_7 : Operand<i32>, ImmLeaf<i32, [{
600 return Imm >= 0 && Imm < 8;
602 let ParserMatchClass = Imm0_7AsmOperand;
605 /// imm8 predicate - Immediate is exactly 8.
606 def Imm8AsmOperand: ImmAsmOperand { let Name = "Imm8"; }
607 def imm8 : Operand<i32>, ImmLeaf<i32, [{ return Imm == 8; }]> {
608 let ParserMatchClass = Imm8AsmOperand;
611 /// imm16 predicate - Immediate is exactly 16.
612 def Imm16AsmOperand: ImmAsmOperand { let Name = "Imm16"; }
613 def imm16 : Operand<i32>, ImmLeaf<i32, [{ return Imm == 16; }]> {
614 let ParserMatchClass = Imm16AsmOperand;
617 /// imm32 predicate - Immediate is exactly 32.
618 def Imm32AsmOperand: ImmAsmOperand { let Name = "Imm32"; }
619 def imm32 : Operand<i32>, ImmLeaf<i32, [{ return Imm == 32; }]> {
620 let ParserMatchClass = Imm32AsmOperand;
623 /// imm1_7 predicate - Immediate in the range [1,7].
624 def Imm1_7AsmOperand: ImmAsmOperand { let Name = "Imm1_7"; }
625 def imm1_7 : Operand<i32>, ImmLeaf<i32, [{ return Imm > 0 && Imm < 8; }]> {
626 let ParserMatchClass = Imm1_7AsmOperand;
629 /// imm1_15 predicate - Immediate in the range [1,15].
630 def Imm1_15AsmOperand: ImmAsmOperand { let Name = "Imm1_15"; }
631 def imm1_15 : Operand<i32>, ImmLeaf<i32, [{ return Imm > 0 && Imm < 16; }]> {
632 let ParserMatchClass = Imm1_15AsmOperand;
635 /// imm1_31 predicate - Immediate in the range [1,31].
636 def Imm1_31AsmOperand: ImmAsmOperand { let Name = "Imm1_31"; }
637 def imm1_31 : Operand<i32>, ImmLeaf<i32, [{ return Imm > 0 && Imm < 32; }]> {
638 let ParserMatchClass = Imm1_31AsmOperand;
641 /// imm0_15 predicate - Immediate in the range [0,15].
642 def Imm0_15AsmOperand: ImmAsmOperand {
643 let Name = "Imm0_15";
644 let DiagnosticType = "ImmRange0_15";
646 def imm0_15 : Operand<i32>, ImmLeaf<i32, [{
647 return Imm >= 0 && Imm < 16;
649 let ParserMatchClass = Imm0_15AsmOperand;
652 /// imm0_31 predicate - True if the 32-bit immediate is in the range [0,31].
653 def Imm0_31AsmOperand: ImmAsmOperand { let Name = "Imm0_31"; }
654 def imm0_31 : Operand<i32>, ImmLeaf<i32, [{
655 return Imm >= 0 && Imm < 32;
657 let ParserMatchClass = Imm0_31AsmOperand;
660 /// imm0_32 predicate - True if the 32-bit immediate is in the range [0,32].
661 def Imm0_32AsmOperand: ImmAsmOperand { let Name = "Imm0_32"; }
662 def imm0_32 : Operand<i32>, ImmLeaf<i32, [{
663 return Imm >= 0 && Imm < 32;
665 let ParserMatchClass = Imm0_32AsmOperand;
668 /// imm0_63 predicate - True if the 32-bit immediate is in the range [0,63].
669 def Imm0_63AsmOperand: ImmAsmOperand { let Name = "Imm0_63"; }
670 def imm0_63 : Operand<i32>, ImmLeaf<i32, [{
671 return Imm >= 0 && Imm < 64;
673 let ParserMatchClass = Imm0_63AsmOperand;
676 /// imm0_255 predicate - Immediate in the range [0,255].
677 def Imm0_255AsmOperand : ImmAsmOperand { let Name = "Imm0_255"; }
678 def imm0_255 : Operand<i32>, ImmLeaf<i32, [{ return Imm >= 0 && Imm < 256; }]> {
679 let ParserMatchClass = Imm0_255AsmOperand;
682 /// imm0_65535 - An immediate is in the range [0.65535].
683 def Imm0_65535AsmOperand: ImmAsmOperand { let Name = "Imm0_65535"; }
684 def imm0_65535 : Operand<i32>, ImmLeaf<i32, [{
685 return Imm >= 0 && Imm < 65536;
687 let ParserMatchClass = Imm0_65535AsmOperand;
690 // imm0_65535_neg - An immediate whose negative value is in the range [0.65535].
691 def imm0_65535_neg : Operand<i32>, ImmLeaf<i32, [{
692 return -Imm >= 0 && -Imm < 65536;
695 // imm0_65535_expr - For movt/movw - 16-bit immediate that can also reference
696 // a relocatable expression.
698 // FIXME: This really needs a Thumb version separate from the ARM version.
699 // While the range is the same, and can thus use the same match class,
700 // the encoding is different so it should have a different encoder method.
701 def Imm0_65535ExprAsmOperand: ImmAsmOperand { let Name = "Imm0_65535Expr"; }
702 def imm0_65535_expr : Operand<i32> {
703 let EncoderMethod = "getHiLo16ImmOpValue";
704 let ParserMatchClass = Imm0_65535ExprAsmOperand;
707 def Imm256_65535ExprAsmOperand: ImmAsmOperand { let Name = "Imm256_65535Expr"; }
708 def imm256_65535_expr : Operand<i32> {
709 let ParserMatchClass = Imm256_65535ExprAsmOperand;
712 /// imm24b - True if the 32-bit immediate is encodable in 24 bits.
713 def Imm24bitAsmOperand: ImmAsmOperand { let Name = "Imm24bit"; }
714 def imm24b : Operand<i32>, ImmLeaf<i32, [{
715 return Imm >= 0 && Imm <= 0xffffff;
717 let ParserMatchClass = Imm24bitAsmOperand;
721 /// bf_inv_mask_imm predicate - An AND mask to clear an arbitrary width bitfield
723 def BitfieldAsmOperand : AsmOperandClass {
724 let Name = "Bitfield";
725 let ParserMethod = "parseBitfield";
728 def bf_inv_mask_imm : Operand<i32>,
730 return ARM::isBitFieldInvertedMask(N->getZExtValue());
732 let EncoderMethod = "getBitfieldInvertedMaskOpValue";
733 let PrintMethod = "printBitfieldInvMaskImmOperand";
734 let DecoderMethod = "DecodeBitfieldMaskOperand";
735 let ParserMatchClass = BitfieldAsmOperand;
738 def imm1_32_XFORM: SDNodeXForm<imm, [{
739 return CurDAG->getTargetConstant((int)N->getZExtValue() - 1, MVT::i32);
741 def Imm1_32AsmOperand: AsmOperandClass { let Name = "Imm1_32"; }
742 def imm1_32 : Operand<i32>, PatLeaf<(imm), [{
743 uint64_t Imm = N->getZExtValue();
744 return Imm > 0 && Imm <= 32;
747 let PrintMethod = "printImmPlusOneOperand";
748 let ParserMatchClass = Imm1_32AsmOperand;
751 def imm1_16_XFORM: SDNodeXForm<imm, [{
752 return CurDAG->getTargetConstant((int)N->getZExtValue() - 1, MVT::i32);
754 def Imm1_16AsmOperand: AsmOperandClass { let Name = "Imm1_16"; }
755 def imm1_16 : Operand<i32>, PatLeaf<(imm), [{ return Imm > 0 && Imm <= 16; }],
757 let PrintMethod = "printImmPlusOneOperand";
758 let ParserMatchClass = Imm1_16AsmOperand;
761 // Define ARM specific addressing modes.
762 // addrmode_imm12 := reg +/- imm12
764 def MemImm12OffsetAsmOperand : AsmOperandClass { let Name = "MemImm12Offset"; }
765 class AddrMode_Imm12 : Operand<i32>,
766 ComplexPattern<i32, 2, "SelectAddrModeImm12", []> {
767 // 12-bit immediate operand. Note that instructions using this encode
768 // #0 and #-0 differently. We flag #-0 as the magic value INT32_MIN. All other
769 // immediate values are as normal.
771 let EncoderMethod = "getAddrModeImm12OpValue";
772 let DecoderMethod = "DecodeAddrModeImm12Operand";
773 let ParserMatchClass = MemImm12OffsetAsmOperand;
774 let MIOperandInfo = (ops GPR:$base, i32imm:$offsimm);
777 def addrmode_imm12 : AddrMode_Imm12 {
778 let PrintMethod = "printAddrModeImm12Operand<false>";
781 def addrmode_imm12_pre : AddrMode_Imm12 {
782 let PrintMethod = "printAddrModeImm12Operand<true>";
785 // ldst_so_reg := reg +/- reg shop imm
787 def MemRegOffsetAsmOperand : AsmOperandClass { let Name = "MemRegOffset"; }
788 def ldst_so_reg : Operand<i32>,
789 ComplexPattern<i32, 3, "SelectLdStSOReg", []> {
790 let EncoderMethod = "getLdStSORegOpValue";
791 // FIXME: Simplify the printer
792 let PrintMethod = "printAddrMode2Operand";
793 let DecoderMethod = "DecodeSORegMemOperand";
794 let ParserMatchClass = MemRegOffsetAsmOperand;
795 let MIOperandInfo = (ops GPR:$base, GPRnopc:$offsreg, i32imm:$shift);
798 // postidx_imm8 := +/- [0,255]
801 // {8} 1 is imm8 is non-negative. 0 otherwise.
802 // {7-0} [0,255] imm8 value.
803 def PostIdxImm8AsmOperand : AsmOperandClass { let Name = "PostIdxImm8"; }
804 def postidx_imm8 : Operand<i32> {
805 let PrintMethod = "printPostIdxImm8Operand";
806 let ParserMatchClass = PostIdxImm8AsmOperand;
807 let MIOperandInfo = (ops i32imm);
810 // postidx_imm8s4 := +/- [0,1020]
813 // {8} 1 is imm8 is non-negative. 0 otherwise.
814 // {7-0} [0,255] imm8 value, scaled by 4.
815 def PostIdxImm8s4AsmOperand : AsmOperandClass { let Name = "PostIdxImm8s4"; }
816 def postidx_imm8s4 : Operand<i32> {
817 let PrintMethod = "printPostIdxImm8s4Operand";
818 let ParserMatchClass = PostIdxImm8s4AsmOperand;
819 let MIOperandInfo = (ops i32imm);
823 // postidx_reg := +/- reg
825 def PostIdxRegAsmOperand : AsmOperandClass {
826 let Name = "PostIdxReg";
827 let ParserMethod = "parsePostIdxReg";
829 def postidx_reg : Operand<i32> {
830 let EncoderMethod = "getPostIdxRegOpValue";
831 let DecoderMethod = "DecodePostIdxReg";
832 let PrintMethod = "printPostIdxRegOperand";
833 let ParserMatchClass = PostIdxRegAsmOperand;
834 let MIOperandInfo = (ops GPRnopc, i32imm);
838 // addrmode2 := reg +/- imm12
839 // := reg +/- reg shop imm
841 // FIXME: addrmode2 should be refactored the rest of the way to always
842 // use explicit imm vs. reg versions above (addrmode_imm12 and ldst_so_reg).
843 def AddrMode2AsmOperand : AsmOperandClass { let Name = "AddrMode2"; }
844 def addrmode2 : Operand<i32>,
845 ComplexPattern<i32, 3, "SelectAddrMode2", []> {
846 let EncoderMethod = "getAddrMode2OpValue";
847 let PrintMethod = "printAddrMode2Operand";
848 let ParserMatchClass = AddrMode2AsmOperand;
849 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
852 def PostIdxRegShiftedAsmOperand : AsmOperandClass {
853 let Name = "PostIdxRegShifted";
854 let ParserMethod = "parsePostIdxReg";
856 def am2offset_reg : Operand<i32>,
857 ComplexPattern<i32, 2, "SelectAddrMode2OffsetReg",
858 [], [SDNPWantRoot]> {
859 let EncoderMethod = "getAddrMode2OffsetOpValue";
860 let PrintMethod = "printAddrMode2OffsetOperand";
861 // When using this for assembly, it's always as a post-index offset.
862 let ParserMatchClass = PostIdxRegShiftedAsmOperand;
863 let MIOperandInfo = (ops GPRnopc, i32imm);
866 // FIXME: am2offset_imm should only need the immediate, not the GPR. Having
867 // the GPR is purely vestigal at this point.
868 def AM2OffsetImmAsmOperand : AsmOperandClass { let Name = "AM2OffsetImm"; }
869 def am2offset_imm : Operand<i32>,
870 ComplexPattern<i32, 2, "SelectAddrMode2OffsetImm",
871 [], [SDNPWantRoot]> {
872 let EncoderMethod = "getAddrMode2OffsetOpValue";
873 let PrintMethod = "printAddrMode2OffsetOperand";
874 let ParserMatchClass = AM2OffsetImmAsmOperand;
875 let MIOperandInfo = (ops GPRnopc, i32imm);
879 // addrmode3 := reg +/- reg
880 // addrmode3 := reg +/- imm8
882 // FIXME: split into imm vs. reg versions.
883 def AddrMode3AsmOperand : AsmOperandClass { let Name = "AddrMode3"; }
884 class AddrMode3 : Operand<i32>,
885 ComplexPattern<i32, 3, "SelectAddrMode3", []> {
886 let EncoderMethod = "getAddrMode3OpValue";
887 let ParserMatchClass = AddrMode3AsmOperand;
888 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
891 def addrmode3 : AddrMode3
893 let PrintMethod = "printAddrMode3Operand<false>";
896 def addrmode3_pre : AddrMode3
898 let PrintMethod = "printAddrMode3Operand<true>";
901 // FIXME: split into imm vs. reg versions.
902 // FIXME: parser method to handle +/- register.
903 def AM3OffsetAsmOperand : AsmOperandClass {
904 let Name = "AM3Offset";
905 let ParserMethod = "parseAM3Offset";
907 def am3offset : Operand<i32>,
908 ComplexPattern<i32, 2, "SelectAddrMode3Offset",
909 [], [SDNPWantRoot]> {
910 let EncoderMethod = "getAddrMode3OffsetOpValue";
911 let PrintMethod = "printAddrMode3OffsetOperand";
912 let ParserMatchClass = AM3OffsetAsmOperand;
913 let MIOperandInfo = (ops GPR, i32imm);
916 // ldstm_mode := {ia, ib, da, db}
918 def ldstm_mode : OptionalDefOperand<OtherVT, (ops i32), (ops (i32 1))> {
919 let EncoderMethod = "getLdStmModeOpValue";
920 let PrintMethod = "printLdStmModeOperand";
923 // addrmode5 := reg +/- imm8*4
925 def AddrMode5AsmOperand : AsmOperandClass { let Name = "AddrMode5"; }
926 class AddrMode5 : Operand<i32>,
927 ComplexPattern<i32, 2, "SelectAddrMode5", []> {
928 let EncoderMethod = "getAddrMode5OpValue";
929 let DecoderMethod = "DecodeAddrMode5Operand";
930 let ParserMatchClass = AddrMode5AsmOperand;
931 let MIOperandInfo = (ops GPR:$base, i32imm);
934 def addrmode5 : AddrMode5 {
935 let PrintMethod = "printAddrMode5Operand<false>";
938 def addrmode5_pre : AddrMode5 {
939 let PrintMethod = "printAddrMode5Operand<true>";
942 // addrmode6 := reg with optional alignment
944 def AddrMode6AsmOperand : AsmOperandClass { let Name = "AlignedMemory"; }
945 def addrmode6 : Operand<i32>,
946 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
947 let PrintMethod = "printAddrMode6Operand";
948 let MIOperandInfo = (ops GPR:$addr, i32imm:$align);
949 let EncoderMethod = "getAddrMode6AddressOpValue";
950 let DecoderMethod = "DecodeAddrMode6Operand";
951 let ParserMatchClass = AddrMode6AsmOperand;
954 def am6offset : Operand<i32>,
955 ComplexPattern<i32, 1, "SelectAddrMode6Offset",
956 [], [SDNPWantRoot]> {
957 let PrintMethod = "printAddrMode6OffsetOperand";
958 let MIOperandInfo = (ops GPR);
959 let EncoderMethod = "getAddrMode6OffsetOpValue";
960 let DecoderMethod = "DecodeGPRRegisterClass";
963 // Special version of addrmode6 to handle alignment encoding for VST1/VLD1
964 // (single element from one lane) for size 32.
965 def addrmode6oneL32 : Operand<i32>,
966 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
967 let PrintMethod = "printAddrMode6Operand";
968 let MIOperandInfo = (ops GPR:$addr, i32imm);
969 let EncoderMethod = "getAddrMode6OneLane32AddressOpValue";
972 // Special version of addrmode6 to handle alignment encoding for VLD-dup
973 // instructions, specifically VLD4-dup.
974 def addrmode6dup : Operand<i32>,
975 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
976 let PrintMethod = "printAddrMode6Operand";
977 let MIOperandInfo = (ops GPR:$addr, i32imm);
978 let EncoderMethod = "getAddrMode6DupAddressOpValue";
979 // FIXME: This is close, but not quite right. The alignment specifier is
981 let ParserMatchClass = AddrMode6AsmOperand;
984 // addrmodepc := pc + reg
986 def addrmodepc : Operand<i32>,
987 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
988 let PrintMethod = "printAddrModePCOperand";
989 let MIOperandInfo = (ops GPR, i32imm);
992 // addr_offset_none := reg
994 def MemNoOffsetAsmOperand : AsmOperandClass { let Name = "MemNoOffset"; }
995 def addr_offset_none : Operand<i32>,
996 ComplexPattern<i32, 1, "SelectAddrOffsetNone", []> {
997 let PrintMethod = "printAddrMode7Operand";
998 let DecoderMethod = "DecodeAddrMode7Operand";
999 let ParserMatchClass = MemNoOffsetAsmOperand;
1000 let MIOperandInfo = (ops GPR:$base);
1003 def nohash_imm : Operand<i32> {
1004 let PrintMethod = "printNoHashImmediate";
1007 def CoprocNumAsmOperand : AsmOperandClass {
1008 let Name = "CoprocNum";
1009 let ParserMethod = "parseCoprocNumOperand";
1011 def p_imm : Operand<i32> {
1012 let PrintMethod = "printPImmediate";
1013 let ParserMatchClass = CoprocNumAsmOperand;
1014 let DecoderMethod = "DecodeCoprocessor";
1017 def CoprocRegAsmOperand : AsmOperandClass {
1018 let Name = "CoprocReg";
1019 let ParserMethod = "parseCoprocRegOperand";
1021 def c_imm : Operand<i32> {
1022 let PrintMethod = "printCImmediate";
1023 let ParserMatchClass = CoprocRegAsmOperand;
1025 def CoprocOptionAsmOperand : AsmOperandClass {
1026 let Name = "CoprocOption";
1027 let ParserMethod = "parseCoprocOptionOperand";
1029 def coproc_option_imm : Operand<i32> {
1030 let PrintMethod = "printCoprocOptionImm";
1031 let ParserMatchClass = CoprocOptionAsmOperand;
1034 //===----------------------------------------------------------------------===//
1036 include "ARMInstrFormats.td"
1038 //===----------------------------------------------------------------------===//
1039 // Multiclass helpers...
1042 /// AsI1_bin_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns for a
1043 /// binop that produces a value.
1044 let TwoOperandAliasConstraint = "$Rn = $Rd" in
1045 multiclass AsI1_bin_irs<bits<4> opcod, string opc,
1046 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
1047 PatFrag opnode, bit Commutable = 0> {
1048 // The register-immediate version is re-materializable. This is useful
1049 // in particular for taking the address of a local.
1050 let isReMaterializable = 1 in {
1051 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
1052 iii, opc, "\t$Rd, $Rn, $imm",
1053 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>,
1054 Sched<[WriteALU, ReadALU]> {
1059 let Inst{19-16} = Rn;
1060 let Inst{15-12} = Rd;
1061 let Inst{11-0} = imm;
1064 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
1065 iir, opc, "\t$Rd, $Rn, $Rm",
1066 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
1067 Sched<[WriteALU, ReadALU, ReadALU]> {
1072 let isCommutable = Commutable;
1073 let Inst{19-16} = Rn;
1074 let Inst{15-12} = Rd;
1075 let Inst{11-4} = 0b00000000;
1079 def rsi : AsI1<opcod, (outs GPR:$Rd),
1080 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm,
1081 iis, opc, "\t$Rd, $Rn, $shift",
1082 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_imm:$shift))]>,
1083 Sched<[WriteALUsi, ReadALU]> {
1088 let Inst{19-16} = Rn;
1089 let Inst{15-12} = Rd;
1090 let Inst{11-5} = shift{11-5};
1092 let Inst{3-0} = shift{3-0};
1095 def rsr : AsI1<opcod, (outs GPR:$Rd),
1096 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm,
1097 iis, opc, "\t$Rd, $Rn, $shift",
1098 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_reg:$shift))]>,
1099 Sched<[WriteALUsr, ReadALUsr]> {
1104 let Inst{19-16} = Rn;
1105 let Inst{15-12} = Rd;
1106 let Inst{11-8} = shift{11-8};
1108 let Inst{6-5} = shift{6-5};
1110 let Inst{3-0} = shift{3-0};
1114 /// AsI1_rbin_irs - Same as AsI1_bin_irs except the order of operands are
1115 /// reversed. The 'rr' form is only defined for the disassembler; for codegen
1116 /// it is equivalent to the AsI1_bin_irs counterpart.
1117 let TwoOperandAliasConstraint = "$Rn = $Rd" in
1118 multiclass AsI1_rbin_irs<bits<4> opcod, string opc,
1119 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
1120 PatFrag opnode, bit Commutable = 0> {
1121 // The register-immediate version is re-materializable. This is useful
1122 // in particular for taking the address of a local.
1123 let isReMaterializable = 1 in {
1124 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
1125 iii, opc, "\t$Rd, $Rn, $imm",
1126 [(set GPR:$Rd, (opnode so_imm:$imm, GPR:$Rn))]>,
1127 Sched<[WriteALU, ReadALU]> {
1132 let Inst{19-16} = Rn;
1133 let Inst{15-12} = Rd;
1134 let Inst{11-0} = imm;
1137 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
1138 iir, opc, "\t$Rd, $Rn, $Rm",
1139 [/* pattern left blank */]>,
1140 Sched<[WriteALU, ReadALU, ReadALU]> {
1144 let Inst{11-4} = 0b00000000;
1147 let Inst{15-12} = Rd;
1148 let Inst{19-16} = Rn;
1151 def rsi : AsI1<opcod, (outs GPR:$Rd),
1152 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm,
1153 iis, opc, "\t$Rd, $Rn, $shift",
1154 [(set GPR:$Rd, (opnode so_reg_imm:$shift, GPR:$Rn))]>,
1155 Sched<[WriteALUsi, ReadALU]> {
1160 let Inst{19-16} = Rn;
1161 let Inst{15-12} = Rd;
1162 let Inst{11-5} = shift{11-5};
1164 let Inst{3-0} = shift{3-0};
1167 def rsr : AsI1<opcod, (outs GPR:$Rd),
1168 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm,
1169 iis, opc, "\t$Rd, $Rn, $shift",
1170 [(set GPR:$Rd, (opnode so_reg_reg:$shift, GPR:$Rn))]>,
1171 Sched<[WriteALUsr, ReadALUsr]> {
1176 let Inst{19-16} = Rn;
1177 let Inst{15-12} = Rd;
1178 let Inst{11-8} = shift{11-8};
1180 let Inst{6-5} = shift{6-5};
1182 let Inst{3-0} = shift{3-0};
1186 /// AsI1_bin_s_irs - Same as AsI1_bin_irs except it sets the 's' bit by default.
1188 /// These opcodes will be converted to the real non-S opcodes by
1189 /// AdjustInstrPostInstrSelection after giving them an optional CPSR operand.
1190 let hasPostISelHook = 1, Defs = [CPSR] in {
1191 multiclass AsI1_bin_s_irs<InstrItinClass iii, InstrItinClass iir,
1192 InstrItinClass iis, PatFrag opnode,
1193 bit Commutable = 0> {
1194 def ri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm, pred:$p),
1196 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, so_imm:$imm))]>,
1197 Sched<[WriteALU, ReadALU]>;
1199 def rr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, pred:$p),
1201 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, GPR:$Rm))]>,
1202 Sched<[WriteALU, ReadALU, ReadALU]> {
1203 let isCommutable = Commutable;
1205 def rsi : ARMPseudoInst<(outs GPR:$Rd),
1206 (ins GPR:$Rn, so_reg_imm:$shift, pred:$p),
1208 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn,
1209 so_reg_imm:$shift))]>,
1210 Sched<[WriteALUsi, ReadALU]>;
1212 def rsr : ARMPseudoInst<(outs GPR:$Rd),
1213 (ins GPR:$Rn, so_reg_reg:$shift, pred:$p),
1215 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn,
1216 so_reg_reg:$shift))]>,
1217 Sched<[WriteALUSsr, ReadALUsr]>;
1221 /// AsI1_rbin_s_is - Same as AsI1_bin_s_irs, except selection DAG
1222 /// operands are reversed.
1223 let hasPostISelHook = 1, Defs = [CPSR] in {
1224 multiclass AsI1_rbin_s_is<InstrItinClass iii, InstrItinClass iir,
1225 InstrItinClass iis, PatFrag opnode,
1226 bit Commutable = 0> {
1227 def ri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm, pred:$p),
1229 [(set GPR:$Rd, CPSR, (opnode so_imm:$imm, GPR:$Rn))]>,
1230 Sched<[WriteALU, ReadALU]>;
1232 def rsi : ARMPseudoInst<(outs GPR:$Rd),
1233 (ins GPR:$Rn, so_reg_imm:$shift, pred:$p),
1235 [(set GPR:$Rd, CPSR, (opnode so_reg_imm:$shift,
1237 Sched<[WriteALUsi, ReadALU]>;
1239 def rsr : ARMPseudoInst<(outs GPR:$Rd),
1240 (ins GPR:$Rn, so_reg_reg:$shift, pred:$p),
1242 [(set GPR:$Rd, CPSR, (opnode so_reg_reg:$shift,
1244 Sched<[WriteALUSsr, ReadALUsr]>;
1248 /// AI1_cmp_irs - Defines a set of (op r, {so_imm|r|so_reg}) cmp / test
1249 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
1250 /// a explicit result, only implicitly set CPSR.
1251 let isCompare = 1, Defs = [CPSR] in {
1252 multiclass AI1_cmp_irs<bits<4> opcod, string opc,
1253 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
1254 PatFrag opnode, bit Commutable = 0> {
1255 def ri : AI1<opcod, (outs), (ins GPR:$Rn, so_imm:$imm), DPFrm, iii,
1257 [(opnode GPR:$Rn, so_imm:$imm)]>,
1258 Sched<[WriteCMP, ReadALU]> {
1263 let Inst{19-16} = Rn;
1264 let Inst{15-12} = 0b0000;
1265 let Inst{11-0} = imm;
1267 let Unpredictable{15-12} = 0b1111;
1269 def rr : AI1<opcod, (outs), (ins GPR:$Rn, GPR:$Rm), DPFrm, iir,
1271 [(opnode GPR:$Rn, GPR:$Rm)]>,
1272 Sched<[WriteCMP, ReadALU, ReadALU]> {
1275 let isCommutable = Commutable;
1278 let Inst{19-16} = Rn;
1279 let Inst{15-12} = 0b0000;
1280 let Inst{11-4} = 0b00000000;
1283 let Unpredictable{15-12} = 0b1111;
1285 def rsi : AI1<opcod, (outs),
1286 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm, iis,
1287 opc, "\t$Rn, $shift",
1288 [(opnode GPR:$Rn, so_reg_imm:$shift)]>,
1289 Sched<[WriteCMPsi, ReadALU]> {
1294 let Inst{19-16} = Rn;
1295 let Inst{15-12} = 0b0000;
1296 let Inst{11-5} = shift{11-5};
1298 let Inst{3-0} = shift{3-0};
1300 let Unpredictable{15-12} = 0b1111;
1302 def rsr : AI1<opcod, (outs),
1303 (ins GPRnopc:$Rn, so_reg_reg:$shift), DPSoRegRegFrm, iis,
1304 opc, "\t$Rn, $shift",
1305 [(opnode GPRnopc:$Rn, so_reg_reg:$shift)]>,
1306 Sched<[WriteCMPsr, ReadALU]> {
1311 let Inst{19-16} = Rn;
1312 let Inst{15-12} = 0b0000;
1313 let Inst{11-8} = shift{11-8};
1315 let Inst{6-5} = shift{6-5};
1317 let Inst{3-0} = shift{3-0};
1319 let Unpredictable{15-12} = 0b1111;
1325 /// AI_ext_rrot - A unary operation with two forms: one whose operand is a
1326 /// register and one whose operand is a register rotated by 8/16/24.
1327 /// FIXME: Remove the 'r' variant. Its rot_imm is zero.
1328 class AI_ext_rrot<bits<8> opcod, string opc, PatFrag opnode>
1329 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPRnopc:$Rm, rot_imm:$rot),
1330 IIC_iEXTr, opc, "\t$Rd, $Rm$rot",
1331 [(set GPRnopc:$Rd, (opnode (rotr GPRnopc:$Rm, rot_imm:$rot)))]>,
1332 Requires<[IsARM, HasV6]>, Sched<[WriteALUsi]> {
1336 let Inst{19-16} = 0b1111;
1337 let Inst{15-12} = Rd;
1338 let Inst{11-10} = rot;
1342 class AI_ext_rrot_np<bits<8> opcod, string opc>
1343 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPRnopc:$Rm, rot_imm:$rot),
1344 IIC_iEXTr, opc, "\t$Rd, $Rm$rot", []>,
1345 Requires<[IsARM, HasV6]>, Sched<[WriteALUsi]> {
1347 let Inst{19-16} = 0b1111;
1348 let Inst{11-10} = rot;
1351 /// AI_exta_rrot - A binary operation with two forms: one whose operand is a
1352 /// register and one whose operand is a register rotated by 8/16/24.
1353 class AI_exta_rrot<bits<8> opcod, string opc, PatFrag opnode>
1354 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPR:$Rn, GPRnopc:$Rm, rot_imm:$rot),
1355 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm$rot",
1356 [(set GPRnopc:$Rd, (opnode GPR:$Rn,
1357 (rotr GPRnopc:$Rm, rot_imm:$rot)))]>,
1358 Requires<[IsARM, HasV6]>, Sched<[WriteALUsr]> {
1363 let Inst{19-16} = Rn;
1364 let Inst{15-12} = Rd;
1365 let Inst{11-10} = rot;
1366 let Inst{9-4} = 0b000111;
1370 class AI_exta_rrot_np<bits<8> opcod, string opc>
1371 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPR:$Rn, GPRnopc:$Rm, rot_imm:$rot),
1372 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm$rot", []>,
1373 Requires<[IsARM, HasV6]>, Sched<[WriteALUsr]> {
1376 let Inst{19-16} = Rn;
1377 let Inst{11-10} = rot;
1380 /// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
1381 let TwoOperandAliasConstraint = "$Rn = $Rd" in
1382 multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode,
1383 bit Commutable = 0> {
1384 let hasPostISelHook = 1, Defs = [CPSR], Uses = [CPSR] in {
1385 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
1386 DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
1387 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, so_imm:$imm, CPSR))]>,
1389 Sched<[WriteALU, ReadALU]> {
1394 let Inst{15-12} = Rd;
1395 let Inst{19-16} = Rn;
1396 let Inst{11-0} = imm;
1398 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
1399 DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
1400 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, GPR:$Rm, CPSR))]>,
1402 Sched<[WriteALU, ReadALU, ReadALU]> {
1406 let Inst{11-4} = 0b00000000;
1408 let isCommutable = Commutable;
1410 let Inst{15-12} = Rd;
1411 let Inst{19-16} = Rn;
1413 def rsi : AsI1<opcod, (outs GPR:$Rd),
1414 (ins GPR:$Rn, so_reg_imm:$shift),
1415 DPSoRegImmFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1416 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, so_reg_imm:$shift, CPSR))]>,
1418 Sched<[WriteALUsi, ReadALU]> {
1423 let Inst{19-16} = Rn;
1424 let Inst{15-12} = Rd;
1425 let Inst{11-5} = shift{11-5};
1427 let Inst{3-0} = shift{3-0};
1429 def rsr : AsI1<opcod, (outs GPRnopc:$Rd),
1430 (ins GPRnopc:$Rn, so_reg_reg:$shift),
1431 DPSoRegRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1432 [(set GPRnopc:$Rd, CPSR,
1433 (opnode GPRnopc:$Rn, so_reg_reg:$shift, CPSR))]>,
1435 Sched<[WriteALUsr, ReadALUsr]> {
1440 let Inst{19-16} = Rn;
1441 let Inst{15-12} = Rd;
1442 let Inst{11-8} = shift{11-8};
1444 let Inst{6-5} = shift{6-5};
1446 let Inst{3-0} = shift{3-0};
1451 /// AI1_rsc_irs - Define instructions and patterns for rsc
1452 let TwoOperandAliasConstraint = "$Rn = $Rd" in
1453 multiclass AI1_rsc_irs<bits<4> opcod, string opc, PatFrag opnode> {
1454 let hasPostISelHook = 1, Defs = [CPSR], Uses = [CPSR] in {
1455 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
1456 DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
1457 [(set GPR:$Rd, CPSR, (opnode so_imm:$imm, GPR:$Rn, CPSR))]>,
1459 Sched<[WriteALU, ReadALU]> {
1464 let Inst{15-12} = Rd;
1465 let Inst{19-16} = Rn;
1466 let Inst{11-0} = imm;
1468 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
1469 DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
1470 [/* pattern left blank */]>,
1471 Sched<[WriteALU, ReadALU, ReadALU]> {
1475 let Inst{11-4} = 0b00000000;
1478 let Inst{15-12} = Rd;
1479 let Inst{19-16} = Rn;
1481 def rsi : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_imm:$shift),
1482 DPSoRegImmFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1483 [(set GPR:$Rd, CPSR, (opnode so_reg_imm:$shift, GPR:$Rn, CPSR))]>,
1485 Sched<[WriteALUsi, ReadALU]> {
1490 let Inst{19-16} = Rn;
1491 let Inst{15-12} = Rd;
1492 let Inst{11-5} = shift{11-5};
1494 let Inst{3-0} = shift{3-0};
1496 def rsr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_reg:$shift),
1497 DPSoRegRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1498 [(set GPR:$Rd, CPSR, (opnode so_reg_reg:$shift, GPR:$Rn, CPSR))]>,
1500 Sched<[WriteALUsr, ReadALUsr]> {
1505 let Inst{19-16} = Rn;
1506 let Inst{15-12} = Rd;
1507 let Inst{11-8} = shift{11-8};
1509 let Inst{6-5} = shift{6-5};
1511 let Inst{3-0} = shift{3-0};
1516 let canFoldAsLoad = 1, isReMaterializable = 1 in {
1517 multiclass AI_ldr1<bit isByte, string opc, InstrItinClass iii,
1518 InstrItinClass iir, PatFrag opnode> {
1519 // Note: We use the complex addrmode_imm12 rather than just an input
1520 // GPR and a constrained immediate so that we can use this to match
1521 // frame index references and avoid matching constant pool references.
1522 def i12: AI2ldst<0b010, 1, isByte, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
1523 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
1524 [(set GPR:$Rt, (opnode addrmode_imm12:$addr))]> {
1527 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1528 let Inst{19-16} = addr{16-13}; // Rn
1529 let Inst{15-12} = Rt;
1530 let Inst{11-0} = addr{11-0}; // imm12
1532 def rs : AI2ldst<0b011, 1, isByte, (outs GPR:$Rt), (ins ldst_so_reg:$shift),
1533 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
1534 [(set GPR:$Rt, (opnode ldst_so_reg:$shift))]> {
1537 let shift{4} = 0; // Inst{4} = 0
1538 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1539 let Inst{19-16} = shift{16-13}; // Rn
1540 let Inst{15-12} = Rt;
1541 let Inst{11-0} = shift{11-0};
1546 let canFoldAsLoad = 1, isReMaterializable = 1 in {
1547 multiclass AI_ldr1nopc<bit isByte, string opc, InstrItinClass iii,
1548 InstrItinClass iir, PatFrag opnode> {
1549 // Note: We use the complex addrmode_imm12 rather than just an input
1550 // GPR and a constrained immediate so that we can use this to match
1551 // frame index references and avoid matching constant pool references.
1552 def i12: AI2ldst<0b010, 1, isByte, (outs GPRnopc:$Rt),
1553 (ins addrmode_imm12:$addr),
1554 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
1555 [(set GPRnopc:$Rt, (opnode addrmode_imm12:$addr))]> {
1558 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1559 let Inst{19-16} = addr{16-13}; // Rn
1560 let Inst{15-12} = Rt;
1561 let Inst{11-0} = addr{11-0}; // imm12
1563 def rs : AI2ldst<0b011, 1, isByte, (outs GPRnopc:$Rt),
1564 (ins ldst_so_reg:$shift),
1565 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
1566 [(set GPRnopc:$Rt, (opnode ldst_so_reg:$shift))]> {
1569 let shift{4} = 0; // Inst{4} = 0
1570 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1571 let Inst{19-16} = shift{16-13}; // Rn
1572 let Inst{15-12} = Rt;
1573 let Inst{11-0} = shift{11-0};
1579 multiclass AI_str1<bit isByte, string opc, InstrItinClass iii,
1580 InstrItinClass iir, PatFrag opnode> {
1581 // Note: We use the complex addrmode_imm12 rather than just an input
1582 // GPR and a constrained immediate so that we can use this to match
1583 // frame index references and avoid matching constant pool references.
1584 def i12 : AI2ldst<0b010, 0, isByte, (outs),
1585 (ins GPR:$Rt, addrmode_imm12:$addr),
1586 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
1587 [(opnode GPR:$Rt, addrmode_imm12:$addr)]> {
1590 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1591 let Inst{19-16} = addr{16-13}; // Rn
1592 let Inst{15-12} = Rt;
1593 let Inst{11-0} = addr{11-0}; // imm12
1595 def rs : AI2ldst<0b011, 0, isByte, (outs), (ins GPR:$Rt, ldst_so_reg:$shift),
1596 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
1597 [(opnode GPR:$Rt, ldst_so_reg:$shift)]> {
1600 let shift{4} = 0; // Inst{4} = 0
1601 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1602 let Inst{19-16} = shift{16-13}; // Rn
1603 let Inst{15-12} = Rt;
1604 let Inst{11-0} = shift{11-0};
1608 multiclass AI_str1nopc<bit isByte, string opc, InstrItinClass iii,
1609 InstrItinClass iir, PatFrag opnode> {
1610 // Note: We use the complex addrmode_imm12 rather than just an input
1611 // GPR and a constrained immediate so that we can use this to match
1612 // frame index references and avoid matching constant pool references.
1613 def i12 : AI2ldst<0b010, 0, isByte, (outs),
1614 (ins GPRnopc:$Rt, addrmode_imm12:$addr),
1615 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
1616 [(opnode GPRnopc:$Rt, addrmode_imm12:$addr)]> {
1619 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1620 let Inst{19-16} = addr{16-13}; // Rn
1621 let Inst{15-12} = Rt;
1622 let Inst{11-0} = addr{11-0}; // imm12
1624 def rs : AI2ldst<0b011, 0, isByte, (outs),
1625 (ins GPRnopc:$Rt, ldst_so_reg:$shift),
1626 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
1627 [(opnode GPRnopc:$Rt, ldst_so_reg:$shift)]> {
1630 let shift{4} = 0; // Inst{4} = 0
1631 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1632 let Inst{19-16} = shift{16-13}; // Rn
1633 let Inst{15-12} = Rt;
1634 let Inst{11-0} = shift{11-0};
1639 //===----------------------------------------------------------------------===//
1641 //===----------------------------------------------------------------------===//
1643 //===----------------------------------------------------------------------===//
1644 // Miscellaneous Instructions.
1647 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
1648 /// the function. The first operand is the ID# for this instruction, the second
1649 /// is the index into the MachineConstantPool that this is, the third is the
1650 /// size in bytes of this constant pool entry.
1651 let neverHasSideEffects = 1, isNotDuplicable = 1 in
1652 def CONSTPOOL_ENTRY :
1653 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
1654 i32imm:$size), NoItinerary, []>;
1656 // FIXME: Marking these as hasSideEffects is necessary to prevent machine DCE
1657 // from removing one half of the matched pairs. That breaks PEI, which assumes
1658 // these will always be in pairs, and asserts if it finds otherwise. Better way?
1659 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
1660 def ADJCALLSTACKUP :
1661 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary,
1662 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
1664 def ADJCALLSTACKDOWN :
1665 PseudoInst<(outs), (ins i32imm:$amt, pred:$p), NoItinerary,
1666 [(ARMcallseq_start timm:$amt)]>;
1669 def HINT : AI<(outs), (ins imm0_255:$imm), MiscFrm, NoItinerary,
1670 "hint", "\t$imm", []>, Requires<[IsARM, HasV6]> {
1672 let Inst{27-8} = 0b00110010000011110000;
1673 let Inst{7-0} = imm;
1676 def : InstAlias<"nop$p", (HINT 0, pred:$p)>, Requires<[IsARM, HasV6T2]>;
1677 def : InstAlias<"yield$p", (HINT 1, pred:$p)>, Requires<[IsARM, HasV6T2]>;
1678 def : InstAlias<"wfe$p", (HINT 2, pred:$p)>, Requires<[IsARM, HasV6T2]>;
1679 def : InstAlias<"wfi$p", (HINT 3, pred:$p)>, Requires<[IsARM, HasV6T2]>;
1680 def : InstAlias<"sev$p", (HINT 4, pred:$p)>, Requires<[IsARM, HasV6T2]>;
1681 def : InstAlias<"sevl$p", (HINT 5, pred:$p)>, Requires<[IsARM, HasV8]>;
1683 def : Pat<(int_arm_sevl), (HINT 5)>;
1685 def SEL : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm, NoItinerary, "sel",
1686 "\t$Rd, $Rn, $Rm", []>, Requires<[IsARM, HasV6]> {
1691 let Inst{15-12} = Rd;
1692 let Inst{19-16} = Rn;
1693 let Inst{27-20} = 0b01101000;
1694 let Inst{7-4} = 0b1011;
1695 let Inst{11-8} = 0b1111;
1696 let Unpredictable{11-8} = 0b1111;
1699 // The 16-bit operand $val can be used by a debugger to store more information
1700 // about the breakpoint.
1701 def BKPT : AInoP<(outs), (ins imm0_65535:$val), MiscFrm, NoItinerary,
1702 "bkpt", "\t$val", []>, Requires<[IsARM]> {
1704 let Inst{3-0} = val{3-0};
1705 let Inst{19-8} = val{15-4};
1706 let Inst{27-20} = 0b00010010;
1707 let Inst{31-28} = 0xe; // AL
1708 let Inst{7-4} = 0b0111;
1711 def HLT : AInoP<(outs), (ins imm0_65535:$val), MiscFrm, NoItinerary,
1712 "hlt", "\t$val", []>, Requires<[IsARM, HasV8]> {
1714 let Inst{3-0} = val{3-0};
1715 let Inst{19-8} = val{15-4};
1716 let Inst{27-20} = 0b00010000;
1717 let Inst{31-28} = 0xe; // AL
1718 let Inst{7-4} = 0b0111;
1721 // Change Processor State
1722 // FIXME: We should use InstAlias to handle the optional operands.
1723 class CPS<dag iops, string asm_ops>
1724 : AXI<(outs), iops, MiscFrm, NoItinerary, !strconcat("cps", asm_ops),
1725 []>, Requires<[IsARM]> {
1731 let Inst{31-28} = 0b1111;
1732 let Inst{27-20} = 0b00010000;
1733 let Inst{19-18} = imod;
1734 let Inst{17} = M; // Enabled if mode is set;
1735 let Inst{16-9} = 0b00000000;
1736 let Inst{8-6} = iflags;
1738 let Inst{4-0} = mode;
1741 let DecoderMethod = "DecodeCPSInstruction" in {
1743 def CPS3p : CPS<(ins imod_op:$imod, iflags_op:$iflags, imm0_31:$mode),
1744 "$imod\t$iflags, $mode">;
1745 let mode = 0, M = 0 in
1746 def CPS2p : CPS<(ins imod_op:$imod, iflags_op:$iflags), "$imod\t$iflags">;
1748 let imod = 0, iflags = 0, M = 1 in
1749 def CPS1p : CPS<(ins imm0_31:$mode), "\t$mode">;
1752 // Preload signals the memory system of possible future data/instruction access.
1753 multiclass APreLoad<bits<1> read, bits<1> data, string opc> {
1755 def i12 : AXI<(outs), (ins addrmode_imm12:$addr), MiscFrm, IIC_Preload,
1756 !strconcat(opc, "\t$addr"),
1757 [(ARMPreload addrmode_imm12:$addr, (i32 read), (i32 data))]>,
1758 Sched<[WritePreLd]> {
1761 let Inst{31-26} = 0b111101;
1762 let Inst{25} = 0; // 0 for immediate form
1763 let Inst{24} = data;
1764 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1765 let Inst{22} = read;
1766 let Inst{21-20} = 0b01;
1767 let Inst{19-16} = addr{16-13}; // Rn
1768 let Inst{15-12} = 0b1111;
1769 let Inst{11-0} = addr{11-0}; // imm12
1772 def rs : AXI<(outs), (ins ldst_so_reg:$shift), MiscFrm, IIC_Preload,
1773 !strconcat(opc, "\t$shift"),
1774 [(ARMPreload ldst_so_reg:$shift, (i32 read), (i32 data))]>,
1775 Sched<[WritePreLd]> {
1777 let Inst{31-26} = 0b111101;
1778 let Inst{25} = 1; // 1 for register form
1779 let Inst{24} = data;
1780 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1781 let Inst{22} = read;
1782 let Inst{21-20} = 0b01;
1783 let Inst{19-16} = shift{16-13}; // Rn
1784 let Inst{15-12} = 0b1111;
1785 let Inst{11-0} = shift{11-0};
1790 defm PLD : APreLoad<1, 1, "pld">, Requires<[IsARM]>;
1791 defm PLDW : APreLoad<0, 1, "pldw">, Requires<[IsARM,HasV7,HasMP]>;
1792 defm PLI : APreLoad<1, 0, "pli">, Requires<[IsARM,HasV7]>;
1794 def SETEND : AXI<(outs), (ins setend_op:$end), MiscFrm, NoItinerary,
1795 "setend\t$end", []>, Requires<[IsARM]>, Deprecated<HasV8Ops> {
1797 let Inst{31-10} = 0b1111000100000001000000;
1802 def DBG : AI<(outs), (ins imm0_15:$opt), MiscFrm, NoItinerary, "dbg", "\t$opt",
1803 []>, Requires<[IsARM, HasV7]> {
1805 let Inst{27-4} = 0b001100100000111100001111;
1806 let Inst{3-0} = opt;
1810 * A5.4 Permanently UNDEFINED instructions.
1812 * For most targets use UDF #65006, for which the OS will generate SIGTRAP.
1813 * Other UDF encodings generate SIGILL.
1815 * NaCl's OS instead chooses an ARM UDF encoding that's also a UDF in Thumb.
1817 * 1110 0111 1111 iiii iiii iiii 1111 iiii
1819 * 1101 1110 iiii iiii
1820 * It uses the following encoding:
1821 * 1110 0111 1111 1110 1101 1110 1111 0000
1822 * - In ARM: UDF #60896;
1823 * - In Thumb: UDF #254 followed by a branch-to-self.
1825 let isBarrier = 1, isTerminator = 1 in
1826 def TRAPNaCl : AXI<(outs), (ins), MiscFrm, NoItinerary,
1828 Requires<[IsARM,UseNaClTrap]> {
1829 let Inst = 0xe7fedef0;
1831 let isBarrier = 1, isTerminator = 1 in
1832 def TRAP : AXI<(outs), (ins), MiscFrm, NoItinerary,
1834 Requires<[IsARM,DontUseNaClTrap]> {
1835 let Inst = 0xe7ffdefe;
1838 // Address computation and loads and stores in PIC mode.
1839 let isNotDuplicable = 1 in {
1840 def PICADD : ARMPseudoInst<(outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
1842 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>,
1843 Sched<[WriteALU, ReadALU]>;
1845 let AddedComplexity = 10 in {
1846 def PICLDR : ARMPseudoInst<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
1848 [(set GPR:$dst, (load addrmodepc:$addr))]>;
1850 def PICLDRH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1852 [(set GPR:$Rt, (zextloadi16 addrmodepc:$addr))]>;
1854 def PICLDRB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1856 [(set GPR:$Rt, (zextloadi8 addrmodepc:$addr))]>;
1858 def PICLDRSH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1860 [(set GPR:$Rt, (sextloadi16 addrmodepc:$addr))]>;
1862 def PICLDRSB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1864 [(set GPR:$Rt, (sextloadi8 addrmodepc:$addr))]>;
1866 let AddedComplexity = 10 in {
1867 def PICSTR : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1868 4, IIC_iStore_r, [(store GPR:$src, addrmodepc:$addr)]>;
1870 def PICSTRH : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1871 4, IIC_iStore_bh_r, [(truncstorei16 GPR:$src,
1872 addrmodepc:$addr)]>;
1874 def PICSTRB : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1875 4, IIC_iStore_bh_r, [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
1877 } // isNotDuplicable = 1
1880 // LEApcrel - Load a pc-relative address into a register without offending the
1882 let neverHasSideEffects = 1, isReMaterializable = 1 in
1883 // The 'adr' mnemonic encodes differently if the label is before or after
1884 // the instruction. The {24-21} opcode bits are set by the fixup, as we don't
1885 // know until then which form of the instruction will be used.
1886 def ADR : AI1<{0,?,?,0}, (outs GPR:$Rd), (ins adrlabel:$label),
1887 MiscFrm, IIC_iALUi, "adr", "\t$Rd, $label", []>,
1888 Sched<[WriteALU, ReadALU]> {
1891 let Inst{27-25} = 0b001;
1893 let Inst{23-22} = label{13-12};
1896 let Inst{19-16} = 0b1111;
1897 let Inst{15-12} = Rd;
1898 let Inst{11-0} = label{11-0};
1901 let hasSideEffects = 1 in {
1902 def LEApcrel : ARMPseudoInst<(outs GPR:$Rd), (ins i32imm:$label, pred:$p),
1903 4, IIC_iALUi, []>, Sched<[WriteALU, ReadALU]>;
1905 def LEApcrelJT : ARMPseudoInst<(outs GPR:$Rd),
1906 (ins i32imm:$label, nohash_imm:$id, pred:$p),
1907 4, IIC_iALUi, []>, Sched<[WriteALU, ReadALU]>;
1910 //===----------------------------------------------------------------------===//
1911 // Control Flow Instructions.
1914 let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
1916 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1917 "bx", "\tlr", [(ARMretflag)]>,
1918 Requires<[IsARM, HasV4T]>, Sched<[WriteBr]> {
1919 let Inst{27-0} = 0b0001001011111111111100011110;
1923 def MOVPCLR : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1924 "mov", "\tpc, lr", [(ARMretflag)]>,
1925 Requires<[IsARM, NoV4T]>, Sched<[WriteBr]> {
1926 let Inst{27-0} = 0b0001101000001111000000001110;
1930 // Indirect branches
1931 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
1933 def BX : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
1934 [(brind GPR:$dst)]>,
1935 Requires<[IsARM, HasV4T]>, Sched<[WriteBr]> {
1937 let Inst{31-4} = 0b1110000100101111111111110001;
1938 let Inst{3-0} = dst;
1941 def BX_pred : AI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br,
1942 "bx", "\t$dst", [/* pattern left blank */]>,
1943 Requires<[IsARM, HasV4T]>, Sched<[WriteBr]> {
1945 let Inst{27-4} = 0b000100101111111111110001;
1946 let Inst{3-0} = dst;
1950 // SP is marked as a use to prevent stack-pointer assignments that appear
1951 // immediately before calls from potentially appearing dead.
1953 // FIXME: Do we really need a non-predicated version? If so, it should
1954 // at least be a pseudo instruction expanding to the predicated version
1955 // at MC lowering time.
1956 Defs = [LR], Uses = [SP] in {
1957 def BL : ABXI<0b1011, (outs), (ins bl_target:$func),
1958 IIC_Br, "bl\t$func",
1959 [(ARMcall tglobaladdr:$func)]>,
1960 Requires<[IsARM]>, Sched<[WriteBrL]> {
1961 let Inst{31-28} = 0b1110;
1963 let Inst{23-0} = func;
1964 let DecoderMethod = "DecodeBranchImmInstruction";
1967 def BL_pred : ABI<0b1011, (outs), (ins bl_target:$func),
1968 IIC_Br, "bl", "\t$func",
1969 [(ARMcall_pred tglobaladdr:$func)]>,
1970 Requires<[IsARM]>, Sched<[WriteBrL]> {
1972 let Inst{23-0} = func;
1973 let DecoderMethod = "DecodeBranchImmInstruction";
1977 def BLX : AXI<(outs), (ins GPR:$func), BrMiscFrm,
1978 IIC_Br, "blx\t$func",
1979 [(ARMcall GPR:$func)]>,
1980 Requires<[IsARM, HasV5T]>, Sched<[WriteBrL]> {
1982 let Inst{31-4} = 0b1110000100101111111111110011;
1983 let Inst{3-0} = func;
1986 def BLX_pred : AI<(outs), (ins GPR:$func), BrMiscFrm,
1987 IIC_Br, "blx", "\t$func",
1988 [(ARMcall_pred GPR:$func)]>,
1989 Requires<[IsARM, HasV5T]>, Sched<[WriteBrL]> {
1991 let Inst{27-4} = 0b000100101111111111110011;
1992 let Inst{3-0} = func;
1996 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1997 def BX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func),
1998 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1999 Requires<[IsARM, HasV4T]>, Sched<[WriteBr]>;
2002 def BMOVPCRX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func),
2003 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
2004 Requires<[IsARM, NoV4T]>, Sched<[WriteBr]>;
2006 // mov lr, pc; b if callee is marked noreturn to avoid confusing the
2007 // return stack predictor.
2008 def BMOVPCB_CALL : ARMPseudoInst<(outs), (ins bl_target:$func),
2009 8, IIC_Br, [(ARMcall_nolink tglobaladdr:$func)]>,
2010 Requires<[IsARM]>, Sched<[WriteBr]>;
2013 let isBranch = 1, isTerminator = 1 in {
2014 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
2015 // a two-value operand where a dag node expects two operands. :(
2016 def Bcc : ABI<0b1010, (outs), (ins br_target:$target),
2017 IIC_Br, "b", "\t$target",
2018 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]>,
2021 let Inst{23-0} = target;
2022 let DecoderMethod = "DecodeBranchImmInstruction";
2025 let isBarrier = 1 in {
2026 // B is "predicable" since it's just a Bcc with an 'always' condition.
2027 let isPredicable = 1 in
2028 // FIXME: We shouldn't need this pseudo at all. Just using Bcc directly
2029 // should be sufficient.
2030 // FIXME: Is B really a Barrier? That doesn't seem right.
2031 def B : ARMPseudoExpand<(outs), (ins br_target:$target), 4, IIC_Br,
2032 [(br bb:$target)], (Bcc br_target:$target, (ops 14, zero_reg))>,
2035 let isNotDuplicable = 1, isIndirectBranch = 1 in {
2036 def BR_JTr : ARMPseudoInst<(outs),
2037 (ins GPR:$target, i32imm:$jt, i32imm:$id),
2039 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]>,
2041 // FIXME: This shouldn't use the generic "addrmode2," but rather be split
2042 // into i12 and rs suffixed versions.
2043 def BR_JTm : ARMPseudoInst<(outs),
2044 (ins addrmode2:$target, i32imm:$jt, i32imm:$id),
2046 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
2047 imm:$id)]>, Sched<[WriteBrTbl]>;
2048 def BR_JTadd : ARMPseudoInst<(outs),
2049 (ins GPR:$target, GPR:$idx, i32imm:$jt, i32imm:$id),
2051 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
2052 imm:$id)]>, Sched<[WriteBrTbl]>;
2053 } // isNotDuplicable = 1, isIndirectBranch = 1
2059 def BLXi : AXI<(outs), (ins blx_target:$target), BrMiscFrm, NoItinerary,
2060 "blx\t$target", []>,
2061 Requires<[IsARM, HasV5T]>, Sched<[WriteBrL]> {
2062 let Inst{31-25} = 0b1111101;
2064 let Inst{23-0} = target{24-1};
2065 let Inst{24} = target{0};
2068 // Branch and Exchange Jazelle
2069 def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
2070 [/* pattern left blank */]>, Sched<[WriteBr]> {
2072 let Inst{23-20} = 0b0010;
2073 let Inst{19-8} = 0xfff;
2074 let Inst{7-4} = 0b0010;
2075 let Inst{3-0} = func;
2080 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, Uses = [SP] in {
2081 def TCRETURNdi : PseudoInst<(outs), (ins i32imm:$dst), IIC_Br, []>,
2084 def TCRETURNri : PseudoInst<(outs), (ins tcGPR:$dst), IIC_Br, []>,
2087 def TAILJMPd : ARMPseudoExpand<(outs), (ins br_target:$dst),
2089 (Bcc br_target:$dst, (ops 14, zero_reg))>,
2090 Requires<[IsARM]>, Sched<[WriteBr]>;
2092 def TAILJMPr : ARMPseudoExpand<(outs), (ins tcGPR:$dst),
2094 (BX GPR:$dst)>, Sched<[WriteBr]>,
2098 // Secure Monitor Call is a system instruction.
2099 def SMC : ABI<0b0001, (outs), (ins imm0_15:$opt), NoItinerary, "smc", "\t$opt",
2100 []>, Requires<[IsARM, HasTrustZone]> {
2102 let Inst{23-4} = 0b01100000000000000111;
2103 let Inst{3-0} = opt;
2106 // Supervisor Call (Software Interrupt)
2107 let isCall = 1, Uses = [SP] in {
2108 def SVC : ABI<0b1111, (outs), (ins imm24b:$svc), IIC_Br, "svc", "\t$svc", []>,
2111 let Inst{23-0} = svc;
2115 // Store Return State
2116 class SRSI<bit wb, string asm>
2117 : XI<(outs), (ins imm0_31:$mode), AddrModeNone, 4, IndexModeNone, BrFrm,
2118 NoItinerary, asm, "", []> {
2120 let Inst{31-28} = 0b1111;
2121 let Inst{27-25} = 0b100;
2125 let Inst{19-16} = 0b1101; // SP
2126 let Inst{15-5} = 0b00000101000;
2127 let Inst{4-0} = mode;
2130 def SRSDA : SRSI<0, "srsda\tsp, $mode"> {
2131 let Inst{24-23} = 0;
2133 def SRSDA_UPD : SRSI<1, "srsda\tsp!, $mode"> {
2134 let Inst{24-23} = 0;
2136 def SRSDB : SRSI<0, "srsdb\tsp, $mode"> {
2137 let Inst{24-23} = 0b10;
2139 def SRSDB_UPD : SRSI<1, "srsdb\tsp!, $mode"> {
2140 let Inst{24-23} = 0b10;
2142 def SRSIA : SRSI<0, "srsia\tsp, $mode"> {
2143 let Inst{24-23} = 0b01;
2145 def SRSIA_UPD : SRSI<1, "srsia\tsp!, $mode"> {
2146 let Inst{24-23} = 0b01;
2148 def SRSIB : SRSI<0, "srsib\tsp, $mode"> {
2149 let Inst{24-23} = 0b11;
2151 def SRSIB_UPD : SRSI<1, "srsib\tsp!, $mode"> {
2152 let Inst{24-23} = 0b11;
2155 def : ARMInstAlias<"srsda $mode", (SRSDA imm0_31:$mode)>;
2156 def : ARMInstAlias<"srsda $mode!", (SRSDA_UPD imm0_31:$mode)>;
2158 def : ARMInstAlias<"srsdb $mode", (SRSDB imm0_31:$mode)>;
2159 def : ARMInstAlias<"srsdb $mode!", (SRSDB_UPD imm0_31:$mode)>;
2161 def : ARMInstAlias<"srsia $mode", (SRSIA imm0_31:$mode)>;
2162 def : ARMInstAlias<"srsia $mode!", (SRSIA_UPD imm0_31:$mode)>;
2164 def : ARMInstAlias<"srsib $mode", (SRSIB imm0_31:$mode)>;
2165 def : ARMInstAlias<"srsib $mode!", (SRSIB_UPD imm0_31:$mode)>;
2167 // Return From Exception
2168 class RFEI<bit wb, string asm>
2169 : XI<(outs), (ins GPR:$Rn), AddrModeNone, 4, IndexModeNone, BrFrm,
2170 NoItinerary, asm, "", []> {
2172 let Inst{31-28} = 0b1111;
2173 let Inst{27-25} = 0b100;
2177 let Inst{19-16} = Rn;
2178 let Inst{15-0} = 0xa00;
2181 def RFEDA : RFEI<0, "rfeda\t$Rn"> {
2182 let Inst{24-23} = 0;
2184 def RFEDA_UPD : RFEI<1, "rfeda\t$Rn!"> {
2185 let Inst{24-23} = 0;
2187 def RFEDB : RFEI<0, "rfedb\t$Rn"> {
2188 let Inst{24-23} = 0b10;
2190 def RFEDB_UPD : RFEI<1, "rfedb\t$Rn!"> {
2191 let Inst{24-23} = 0b10;
2193 def RFEIA : RFEI<0, "rfeia\t$Rn"> {
2194 let Inst{24-23} = 0b01;
2196 def RFEIA_UPD : RFEI<1, "rfeia\t$Rn!"> {
2197 let Inst{24-23} = 0b01;
2199 def RFEIB : RFEI<0, "rfeib\t$Rn"> {
2200 let Inst{24-23} = 0b11;
2202 def RFEIB_UPD : RFEI<1, "rfeib\t$Rn!"> {
2203 let Inst{24-23} = 0b11;
2206 //===----------------------------------------------------------------------===//
2207 // Load / Store Instructions.
2213 defm LDR : AI_ldr1<0, "ldr", IIC_iLoad_r, IIC_iLoad_si,
2214 UnOpFrag<(load node:$Src)>>;
2215 defm LDRB : AI_ldr1nopc<1, "ldrb", IIC_iLoad_bh_r, IIC_iLoad_bh_si,
2216 UnOpFrag<(zextloadi8 node:$Src)>>;
2217 defm STR : AI_str1<0, "str", IIC_iStore_r, IIC_iStore_si,
2218 BinOpFrag<(store node:$LHS, node:$RHS)>>;
2219 defm STRB : AI_str1nopc<1, "strb", IIC_iStore_bh_r, IIC_iStore_bh_si,
2220 BinOpFrag<(truncstorei8 node:$LHS, node:$RHS)>>;
2222 // Special LDR for loads from non-pc-relative constpools.
2223 let canFoldAsLoad = 1, mayLoad = 1, neverHasSideEffects = 1,
2224 isReMaterializable = 1, isCodeGenOnly = 1 in
2225 def LDRcp : AI2ldst<0b010, 1, 0, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
2226 AddrMode_i12, LdFrm, IIC_iLoad_r, "ldr", "\t$Rt, $addr",
2230 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2231 let Inst{19-16} = 0b1111;
2232 let Inst{15-12} = Rt;
2233 let Inst{11-0} = addr{11-0}; // imm12
2236 // Loads with zero extension
2237 def LDRH : AI3ld<0b1011, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
2238 IIC_iLoad_bh_r, "ldrh", "\t$Rt, $addr",
2239 [(set GPR:$Rt, (zextloadi16 addrmode3:$addr))]>;
2241 // Loads with sign extension
2242 def LDRSH : AI3ld<0b1111, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
2243 IIC_iLoad_bh_r, "ldrsh", "\t$Rt, $addr",
2244 [(set GPR:$Rt, (sextloadi16 addrmode3:$addr))]>;
2246 def LDRSB : AI3ld<0b1101, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
2247 IIC_iLoad_bh_r, "ldrsb", "\t$Rt, $addr",
2248 [(set GPR:$Rt, (sextloadi8 addrmode3:$addr))]>;
2250 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1 in {
2252 def LDRD : AI3ld<0b1101, 0, (outs GPR:$Rd, GPR:$dst2),
2253 (ins addrmode3:$addr), LdMiscFrm,
2254 IIC_iLoad_d_r, "ldrd", "\t$Rd, $dst2, $addr",
2255 []>, Requires<[IsARM, HasV5TE]>;
2258 def LDA : AIldracq<0b00, (outs GPR:$Rt), (ins addr_offset_none:$addr),
2259 NoItinerary, "lda", "\t$Rt, $addr", []>;
2260 def LDAB : AIldracq<0b10, (outs GPR:$Rt), (ins addr_offset_none:$addr),
2261 NoItinerary, "ldab", "\t$Rt, $addr", []>;
2262 def LDAH : AIldracq<0b11, (outs GPR:$Rt), (ins addr_offset_none:$addr),
2263 NoItinerary, "ldah", "\t$Rt, $addr", []>;
2266 multiclass AI2_ldridx<bit isByte, string opc,
2267 InstrItinClass iii, InstrItinClass iir> {
2268 def _PRE_IMM : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb),
2269 (ins addrmode_imm12_pre:$addr), IndexModePre, LdFrm, iii,
2270 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2273 let Inst{23} = addr{12};
2274 let Inst{19-16} = addr{16-13};
2275 let Inst{11-0} = addr{11-0};
2276 let DecoderMethod = "DecodeLDRPreImm";
2279 def _PRE_REG : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb),
2280 (ins ldst_so_reg:$addr), IndexModePre, LdFrm, iir,
2281 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2284 let Inst{23} = addr{12};
2285 let Inst{19-16} = addr{16-13};
2286 let Inst{11-0} = addr{11-0};
2288 let DecoderMethod = "DecodeLDRPreReg";
2291 def _POST_REG : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2292 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2293 IndexModePost, LdFrm, iir,
2294 opc, "\t$Rt, $addr, $offset",
2295 "$addr.base = $Rn_wb", []> {
2301 let Inst{23} = offset{12};
2302 let Inst{19-16} = addr;
2303 let Inst{11-0} = offset{11-0};
2306 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2309 def _POST_IMM : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2310 (ins addr_offset_none:$addr, am2offset_imm:$offset),
2311 IndexModePost, LdFrm, iii,
2312 opc, "\t$Rt, $addr, $offset",
2313 "$addr.base = $Rn_wb", []> {
2319 let Inst{23} = offset{12};
2320 let Inst{19-16} = addr;
2321 let Inst{11-0} = offset{11-0};
2323 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2328 let mayLoad = 1, neverHasSideEffects = 1 in {
2329 // FIXME: for LDR_PRE_REG etc. the itineray should be either IIC_iLoad_ru or
2330 // IIC_iLoad_siu depending on whether it the offset register is shifted.
2331 defm LDR : AI2_ldridx<0, "ldr", IIC_iLoad_iu, IIC_iLoad_ru>;
2332 defm LDRB : AI2_ldridx<1, "ldrb", IIC_iLoad_bh_iu, IIC_iLoad_bh_ru>;
2335 multiclass AI3_ldridx<bits<4> op, string opc, InstrItinClass itin> {
2336 def _PRE : AI3ldstidx<op, 1, 1, (outs GPR:$Rt, GPR:$Rn_wb),
2337 (ins addrmode3_pre:$addr), IndexModePre,
2339 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2341 let Inst{23} = addr{8}; // U bit
2342 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2343 let Inst{19-16} = addr{12-9}; // Rn
2344 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2345 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2346 let DecoderMethod = "DecodeAddrMode3Instruction";
2348 def _POST : AI3ldstidx<op, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2349 (ins addr_offset_none:$addr, am3offset:$offset),
2350 IndexModePost, LdMiscFrm, itin,
2351 opc, "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb",
2355 let Inst{23} = offset{8}; // U bit
2356 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2357 let Inst{19-16} = addr;
2358 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2359 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2360 let DecoderMethod = "DecodeAddrMode3Instruction";
2364 let mayLoad = 1, neverHasSideEffects = 1 in {
2365 defm LDRH : AI3_ldridx<0b1011, "ldrh", IIC_iLoad_bh_ru>;
2366 defm LDRSH : AI3_ldridx<0b1111, "ldrsh", IIC_iLoad_bh_ru>;
2367 defm LDRSB : AI3_ldridx<0b1101, "ldrsb", IIC_iLoad_bh_ru>;
2368 let hasExtraDefRegAllocReq = 1 in {
2369 def LDRD_PRE : AI3ldstidx<0b1101, 0, 1, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
2370 (ins addrmode3_pre:$addr), IndexModePre,
2371 LdMiscFrm, IIC_iLoad_d_ru,
2372 "ldrd", "\t$Rt, $Rt2, $addr!",
2373 "$addr.base = $Rn_wb", []> {
2375 let Inst{23} = addr{8}; // U bit
2376 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2377 let Inst{19-16} = addr{12-9}; // Rn
2378 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2379 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2380 let DecoderMethod = "DecodeAddrMode3Instruction";
2382 def LDRD_POST: AI3ldstidx<0b1101, 0, 0, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
2383 (ins addr_offset_none:$addr, am3offset:$offset),
2384 IndexModePost, LdMiscFrm, IIC_iLoad_d_ru,
2385 "ldrd", "\t$Rt, $Rt2, $addr, $offset",
2386 "$addr.base = $Rn_wb", []> {
2389 let Inst{23} = offset{8}; // U bit
2390 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2391 let Inst{19-16} = addr;
2392 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2393 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2394 let DecoderMethod = "DecodeAddrMode3Instruction";
2396 } // hasExtraDefRegAllocReq = 1
2397 } // mayLoad = 1, neverHasSideEffects = 1
2399 // LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT.
2400 let mayLoad = 1, neverHasSideEffects = 1 in {
2401 def LDRT_POST_REG : AI2ldstidx<1, 0, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2402 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2403 IndexModePost, LdFrm, IIC_iLoad_ru,
2404 "ldrt", "\t$Rt, $addr, $offset",
2405 "$addr.base = $Rn_wb", []> {
2411 let Inst{23} = offset{12};
2412 let Inst{21} = 1; // overwrite
2413 let Inst{19-16} = addr;
2414 let Inst{11-5} = offset{11-5};
2416 let Inst{3-0} = offset{3-0};
2417 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2420 def LDRT_POST_IMM : AI2ldstidx<1, 0, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2421 (ins addr_offset_none:$addr, am2offset_imm:$offset),
2422 IndexModePost, LdFrm, IIC_iLoad_ru,
2423 "ldrt", "\t$Rt, $addr, $offset",
2424 "$addr.base = $Rn_wb", []> {
2430 let Inst{23} = offset{12};
2431 let Inst{21} = 1; // overwrite
2432 let Inst{19-16} = addr;
2433 let Inst{11-0} = offset{11-0};
2434 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2437 def LDRBT_POST_REG : AI2ldstidx<1, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2438 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2439 IndexModePost, LdFrm, IIC_iLoad_bh_ru,
2440 "ldrbt", "\t$Rt, $addr, $offset",
2441 "$addr.base = $Rn_wb", []> {
2447 let Inst{23} = offset{12};
2448 let Inst{21} = 1; // overwrite
2449 let Inst{19-16} = addr;
2450 let Inst{11-5} = offset{11-5};
2452 let Inst{3-0} = offset{3-0};
2453 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2456 def LDRBT_POST_IMM : AI2ldstidx<1, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2457 (ins addr_offset_none:$addr, am2offset_imm:$offset),
2458 IndexModePost, LdFrm, IIC_iLoad_bh_ru,
2459 "ldrbt", "\t$Rt, $addr, $offset",
2460 "$addr.base = $Rn_wb", []> {
2466 let Inst{23} = offset{12};
2467 let Inst{21} = 1; // overwrite
2468 let Inst{19-16} = addr;
2469 let Inst{11-0} = offset{11-0};
2470 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2473 multiclass AI3ldrT<bits<4> op, string opc> {
2474 def i : AI3ldstidxT<op, 1, (outs GPR:$Rt, GPR:$base_wb),
2475 (ins addr_offset_none:$addr, postidx_imm8:$offset),
2476 IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru, opc,
2477 "\t$Rt, $addr, $offset", "$addr.base = $base_wb", []> {
2479 let Inst{23} = offset{8};
2481 let Inst{11-8} = offset{7-4};
2482 let Inst{3-0} = offset{3-0};
2484 def r : AI3ldstidxT<op, 1, (outs GPRnopc:$Rt, GPRnopc:$base_wb),
2485 (ins addr_offset_none:$addr, postidx_reg:$Rm),
2486 IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru, opc,
2487 "\t$Rt, $addr, $Rm", "$addr.base = $base_wb", []> {
2489 let Inst{23} = Rm{4};
2492 let Unpredictable{11-8} = 0b1111;
2493 let Inst{3-0} = Rm{3-0};
2494 let DecoderMethod = "DecodeLDR";
2498 defm LDRSBT : AI3ldrT<0b1101, "ldrsbt">;
2499 defm LDRHT : AI3ldrT<0b1011, "ldrht">;
2500 defm LDRSHT : AI3ldrT<0b1111, "ldrsht">;
2505 // Stores with truncate
2506 def STRH : AI3str<0b1011, (outs), (ins GPR:$Rt, addrmode3:$addr), StMiscFrm,
2507 IIC_iStore_bh_r, "strh", "\t$Rt, $addr",
2508 [(truncstorei16 GPR:$Rt, addrmode3:$addr)]>;
2511 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in
2512 def STRD : AI3str<0b1111, (outs), (ins GPR:$Rt, GPR:$src2, addrmode3:$addr),
2513 StMiscFrm, IIC_iStore_d_r,
2514 "strd", "\t$Rt, $src2, $addr", []>,
2515 Requires<[IsARM, HasV5TE]> {
2520 multiclass AI2_stridx<bit isByte, string opc,
2521 InstrItinClass iii, InstrItinClass iir> {
2522 def _PRE_IMM : AI2ldstidx<0, isByte, 1, (outs GPR:$Rn_wb),
2523 (ins GPR:$Rt, addrmode_imm12_pre:$addr), IndexModePre,
2525 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2528 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2529 let Inst{19-16} = addr{16-13}; // Rn
2530 let Inst{11-0} = addr{11-0}; // imm12
2531 let DecoderMethod = "DecodeSTRPreImm";
2534 def _PRE_REG : AI2ldstidx<0, isByte, 1, (outs GPR:$Rn_wb),
2535 (ins GPR:$Rt, ldst_so_reg:$addr),
2536 IndexModePre, StFrm, iir,
2537 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2540 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2541 let Inst{19-16} = addr{16-13}; // Rn
2542 let Inst{11-0} = addr{11-0};
2543 let Inst{4} = 0; // Inst{4} = 0
2544 let DecoderMethod = "DecodeSTRPreReg";
2546 def _POST_REG : AI2ldstidx<0, isByte, 0, (outs GPR:$Rn_wb),
2547 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_reg:$offset),
2548 IndexModePost, StFrm, iir,
2549 opc, "\t$Rt, $addr, $offset",
2550 "$addr.base = $Rn_wb", []> {
2556 let Inst{23} = offset{12};
2557 let Inst{19-16} = addr;
2558 let Inst{11-0} = offset{11-0};
2561 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2564 def _POST_IMM : AI2ldstidx<0, isByte, 0, (outs GPR:$Rn_wb),
2565 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_imm:$offset),
2566 IndexModePost, StFrm, iii,
2567 opc, "\t$Rt, $addr, $offset",
2568 "$addr.base = $Rn_wb", []> {
2574 let Inst{23} = offset{12};
2575 let Inst{19-16} = addr;
2576 let Inst{11-0} = offset{11-0};
2578 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2582 let mayStore = 1, neverHasSideEffects = 1 in {
2583 // FIXME: for STR_PRE_REG etc. the itineray should be either IIC_iStore_ru or
2584 // IIC_iStore_siu depending on whether it the offset register is shifted.
2585 defm STR : AI2_stridx<0, "str", IIC_iStore_iu, IIC_iStore_ru>;
2586 defm STRB : AI2_stridx<1, "strb", IIC_iStore_bh_iu, IIC_iStore_bh_ru>;
2589 def : ARMPat<(post_store GPR:$Rt, addr_offset_none:$addr,
2590 am2offset_reg:$offset),
2591 (STR_POST_REG GPR:$Rt, addr_offset_none:$addr,
2592 am2offset_reg:$offset)>;
2593 def : ARMPat<(post_store GPR:$Rt, addr_offset_none:$addr,
2594 am2offset_imm:$offset),
2595 (STR_POST_IMM GPR:$Rt, addr_offset_none:$addr,
2596 am2offset_imm:$offset)>;
2597 def : ARMPat<(post_truncsti8 GPR:$Rt, addr_offset_none:$addr,
2598 am2offset_reg:$offset),
2599 (STRB_POST_REG GPR:$Rt, addr_offset_none:$addr,
2600 am2offset_reg:$offset)>;
2601 def : ARMPat<(post_truncsti8 GPR:$Rt, addr_offset_none:$addr,
2602 am2offset_imm:$offset),
2603 (STRB_POST_IMM GPR:$Rt, addr_offset_none:$addr,
2604 am2offset_imm:$offset)>;
2606 // Pseudo-instructions for pattern matching the pre-indexed stores. We can't
2607 // put the patterns on the instruction definitions directly as ISel wants
2608 // the address base and offset to be separate operands, not a single
2609 // complex operand like we represent the instructions themselves. The
2610 // pseudos map between the two.
2611 let usesCustomInserter = 1,
2612 Constraints = "$Rn = $Rn_wb,@earlyclobber $Rn_wb" in {
2613 def STRi_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2614 (ins GPR:$Rt, GPR:$Rn, am2offset_imm:$offset, pred:$p),
2617 (pre_store GPR:$Rt, GPR:$Rn, am2offset_imm:$offset))]>;
2618 def STRr_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2619 (ins GPR:$Rt, GPR:$Rn, am2offset_reg:$offset, pred:$p),
2622 (pre_store GPR:$Rt, GPR:$Rn, am2offset_reg:$offset))]>;
2623 def STRBi_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2624 (ins GPR:$Rt, GPR:$Rn, am2offset_imm:$offset, pred:$p),
2627 (pre_truncsti8 GPR:$Rt, GPR:$Rn, am2offset_imm:$offset))]>;
2628 def STRBr_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2629 (ins GPR:$Rt, GPR:$Rn, am2offset_reg:$offset, pred:$p),
2632 (pre_truncsti8 GPR:$Rt, GPR:$Rn, am2offset_reg:$offset))]>;
2633 def STRH_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2634 (ins GPR:$Rt, GPR:$Rn, am3offset:$offset, pred:$p),
2637 (pre_truncsti16 GPR:$Rt, GPR:$Rn, am3offset:$offset))]>;
2642 def STRH_PRE : AI3ldstidx<0b1011, 0, 1, (outs GPR:$Rn_wb),
2643 (ins GPR:$Rt, addrmode3_pre:$addr), IndexModePre,
2644 StMiscFrm, IIC_iStore_bh_ru,
2645 "strh", "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2647 let Inst{23} = addr{8}; // U bit
2648 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2649 let Inst{19-16} = addr{12-9}; // Rn
2650 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2651 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2652 let DecoderMethod = "DecodeAddrMode3Instruction";
2655 def STRH_POST : AI3ldstidx<0b1011, 0, 0, (outs GPR:$Rn_wb),
2656 (ins GPR:$Rt, addr_offset_none:$addr, am3offset:$offset),
2657 IndexModePost, StMiscFrm, IIC_iStore_bh_ru,
2658 "strh", "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb",
2659 [(set GPR:$Rn_wb, (post_truncsti16 GPR:$Rt,
2660 addr_offset_none:$addr,
2661 am3offset:$offset))]> {
2664 let Inst{23} = offset{8}; // U bit
2665 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2666 let Inst{19-16} = addr;
2667 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2668 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2669 let DecoderMethod = "DecodeAddrMode3Instruction";
2672 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in {
2673 def STRD_PRE : AI3ldstidx<0b1111, 0, 1, (outs GPR:$Rn_wb),
2674 (ins GPR:$Rt, GPR:$Rt2, addrmode3_pre:$addr),
2675 IndexModePre, StMiscFrm, IIC_iStore_d_ru,
2676 "strd", "\t$Rt, $Rt2, $addr!",
2677 "$addr.base = $Rn_wb", []> {
2679 let Inst{23} = addr{8}; // U bit
2680 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2681 let Inst{19-16} = addr{12-9}; // Rn
2682 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2683 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2684 let DecoderMethod = "DecodeAddrMode3Instruction";
2687 def STRD_POST: AI3ldstidx<0b1111, 0, 0, (outs GPR:$Rn_wb),
2688 (ins GPR:$Rt, GPR:$Rt2, addr_offset_none:$addr,
2690 IndexModePost, StMiscFrm, IIC_iStore_d_ru,
2691 "strd", "\t$Rt, $Rt2, $addr, $offset",
2692 "$addr.base = $Rn_wb", []> {
2695 let Inst{23} = offset{8}; // U bit
2696 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2697 let Inst{19-16} = addr;
2698 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2699 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2700 let DecoderMethod = "DecodeAddrMode3Instruction";
2702 } // mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1
2704 // STRT, STRBT, and STRHT
2706 def STRBT_POST_REG : AI2ldstidx<0, 1, 0, (outs GPR:$Rn_wb),
2707 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_reg:$offset),
2708 IndexModePost, StFrm, IIC_iStore_bh_ru,
2709 "strbt", "\t$Rt, $addr, $offset",
2710 "$addr.base = $Rn_wb", []> {
2716 let Inst{23} = offset{12};
2717 let Inst{21} = 1; // overwrite
2718 let Inst{19-16} = addr;
2719 let Inst{11-5} = offset{11-5};
2721 let Inst{3-0} = offset{3-0};
2722 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2725 def STRBT_POST_IMM : AI2ldstidx<0, 1, 0, (outs GPR:$Rn_wb),
2726 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_imm:$offset),
2727 IndexModePost, StFrm, IIC_iStore_bh_ru,
2728 "strbt", "\t$Rt, $addr, $offset",
2729 "$addr.base = $Rn_wb", []> {
2735 let Inst{23} = offset{12};
2736 let Inst{21} = 1; // overwrite
2737 let Inst{19-16} = addr;
2738 let Inst{11-0} = offset{11-0};
2739 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2742 let mayStore = 1, neverHasSideEffects = 1 in {
2743 def STRT_POST_REG : AI2ldstidx<0, 0, 0, (outs GPR:$Rn_wb),
2744 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_reg:$offset),
2745 IndexModePost, StFrm, IIC_iStore_ru,
2746 "strt", "\t$Rt, $addr, $offset",
2747 "$addr.base = $Rn_wb", []> {
2753 let Inst{23} = offset{12};
2754 let Inst{21} = 1; // overwrite
2755 let Inst{19-16} = addr;
2756 let Inst{11-5} = offset{11-5};
2758 let Inst{3-0} = offset{3-0};
2759 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2762 def STRT_POST_IMM : AI2ldstidx<0, 0, 0, (outs GPR:$Rn_wb),
2763 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_imm:$offset),
2764 IndexModePost, StFrm, IIC_iStore_ru,
2765 "strt", "\t$Rt, $addr, $offset",
2766 "$addr.base = $Rn_wb", []> {
2772 let Inst{23} = offset{12};
2773 let Inst{21} = 1; // overwrite
2774 let Inst{19-16} = addr;
2775 let Inst{11-0} = offset{11-0};
2776 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2781 multiclass AI3strT<bits<4> op, string opc> {
2782 def i : AI3ldstidxT<op, 0, (outs GPR:$base_wb),
2783 (ins GPR:$Rt, addr_offset_none:$addr, postidx_imm8:$offset),
2784 IndexModePost, StMiscFrm, IIC_iStore_bh_ru, opc,
2785 "\t$Rt, $addr, $offset", "$addr.base = $base_wb", []> {
2787 let Inst{23} = offset{8};
2789 let Inst{11-8} = offset{7-4};
2790 let Inst{3-0} = offset{3-0};
2792 def r : AI3ldstidxT<op, 0, (outs GPR:$base_wb),
2793 (ins GPR:$Rt, addr_offset_none:$addr, postidx_reg:$Rm),
2794 IndexModePost, StMiscFrm, IIC_iStore_bh_ru, opc,
2795 "\t$Rt, $addr, $Rm", "$addr.base = $base_wb", []> {
2797 let Inst{23} = Rm{4};
2800 let Inst{3-0} = Rm{3-0};
2805 defm STRHT : AI3strT<0b1011, "strht">;
2807 def STL : AIstrrel<0b00, (outs), (ins GPR:$Rt, addr_offset_none:$addr),
2808 NoItinerary, "stl", "\t$Rt, $addr", []>;
2809 def STLB : AIstrrel<0b10, (outs), (ins GPR:$Rt, addr_offset_none:$addr),
2810 NoItinerary, "stlb", "\t$Rt, $addr", []>;
2811 def STLH : AIstrrel<0b11, (outs), (ins GPR:$Rt, addr_offset_none:$addr),
2812 NoItinerary, "stlh", "\t$Rt, $addr", []>;
2814 //===----------------------------------------------------------------------===//
2815 // Load / store multiple Instructions.
2818 multiclass arm_ldst_mult<string asm, string sfx, bit L_bit, bit P_bit, Format f,
2819 InstrItinClass itin, InstrItinClass itin_upd> {
2820 // IA is the default, so no need for an explicit suffix on the
2821 // mnemonic here. Without it is the canonical spelling.
2823 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2824 IndexModeNone, f, itin,
2825 !strconcat(asm, "${p}\t$Rn, $regs", sfx), "", []> {
2826 let Inst{24-23} = 0b01; // Increment After
2827 let Inst{22} = P_bit;
2828 let Inst{21} = 0; // No writeback
2829 let Inst{20} = L_bit;
2832 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2833 IndexModeUpd, f, itin_upd,
2834 !strconcat(asm, "${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
2835 let Inst{24-23} = 0b01; // Increment After
2836 let Inst{22} = P_bit;
2837 let Inst{21} = 1; // Writeback
2838 let Inst{20} = L_bit;
2840 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
2843 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2844 IndexModeNone, f, itin,
2845 !strconcat(asm, "da${p}\t$Rn, $regs", sfx), "", []> {
2846 let Inst{24-23} = 0b00; // Decrement After
2847 let Inst{22} = P_bit;
2848 let Inst{21} = 0; // No writeback
2849 let Inst{20} = L_bit;
2852 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2853 IndexModeUpd, f, itin_upd,
2854 !strconcat(asm, "da${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
2855 let Inst{24-23} = 0b00; // Decrement After
2856 let Inst{22} = P_bit;
2857 let Inst{21} = 1; // Writeback
2858 let Inst{20} = L_bit;
2860 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
2863 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2864 IndexModeNone, f, itin,
2865 !strconcat(asm, "db${p}\t$Rn, $regs", sfx), "", []> {
2866 let Inst{24-23} = 0b10; // Decrement Before
2867 let Inst{22} = P_bit;
2868 let Inst{21} = 0; // No writeback
2869 let Inst{20} = L_bit;
2872 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2873 IndexModeUpd, f, itin_upd,
2874 !strconcat(asm, "db${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
2875 let Inst{24-23} = 0b10; // Decrement Before
2876 let Inst{22} = P_bit;
2877 let Inst{21} = 1; // Writeback
2878 let Inst{20} = L_bit;
2880 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
2883 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2884 IndexModeNone, f, itin,
2885 !strconcat(asm, "ib${p}\t$Rn, $regs", sfx), "", []> {
2886 let Inst{24-23} = 0b11; // Increment Before
2887 let Inst{22} = P_bit;
2888 let Inst{21} = 0; // No writeback
2889 let Inst{20} = L_bit;
2892 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2893 IndexModeUpd, f, itin_upd,
2894 !strconcat(asm, "ib${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
2895 let Inst{24-23} = 0b11; // Increment Before
2896 let Inst{22} = P_bit;
2897 let Inst{21} = 1; // Writeback
2898 let Inst{20} = L_bit;
2900 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
2904 let neverHasSideEffects = 1 in {
2906 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
2907 defm LDM : arm_ldst_mult<"ldm", "", 1, 0, LdStMulFrm, IIC_iLoad_m,
2910 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
2911 defm STM : arm_ldst_mult<"stm", "", 0, 0, LdStMulFrm, IIC_iStore_m,
2914 } // neverHasSideEffects
2916 // FIXME: remove when we have a way to marking a MI with these properties.
2917 // FIXME: Should pc be an implicit operand like PICADD, etc?
2918 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
2919 hasExtraDefRegAllocReq = 1, isCodeGenOnly = 1 in
2920 def LDMIA_RET : ARMPseudoExpand<(outs GPR:$wb), (ins GPR:$Rn, pred:$p,
2921 reglist:$regs, variable_ops),
2922 4, IIC_iLoad_mBr, [],
2923 (LDMIA_UPD GPR:$wb, GPR:$Rn, pred:$p, reglist:$regs)>,
2924 RegConstraint<"$Rn = $wb">;
2926 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
2927 defm sysLDM : arm_ldst_mult<"ldm", " ^", 1, 1, LdStMulFrm, IIC_iLoad_m,
2930 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
2931 defm sysSTM : arm_ldst_mult<"stm", " ^", 0, 1, LdStMulFrm, IIC_iStore_m,
2936 //===----------------------------------------------------------------------===//
2937 // Move Instructions.
2940 let neverHasSideEffects = 1 in
2941 def MOVr : AsI1<0b1101, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMOVr,
2942 "mov", "\t$Rd, $Rm", []>, UnaryDP, Sched<[WriteALU]> {
2946 let Inst{19-16} = 0b0000;
2947 let Inst{11-4} = 0b00000000;
2950 let Inst{15-12} = Rd;
2953 // A version for the smaller set of tail call registers.
2954 let neverHasSideEffects = 1 in
2955 def MOVr_TC : AsI1<0b1101, (outs tcGPR:$Rd), (ins tcGPR:$Rm), DPFrm,
2956 IIC_iMOVr, "mov", "\t$Rd, $Rm", []>, UnaryDP, Sched<[WriteALU]> {
2960 let Inst{11-4} = 0b00000000;
2963 let Inst{15-12} = Rd;
2966 def MOVsr : AsI1<0b1101, (outs GPRnopc:$Rd), (ins shift_so_reg_reg:$src),
2967 DPSoRegRegFrm, IIC_iMOVsr,
2968 "mov", "\t$Rd, $src",
2969 [(set GPRnopc:$Rd, shift_so_reg_reg:$src)]>, UnaryDP,
2973 let Inst{15-12} = Rd;
2974 let Inst{19-16} = 0b0000;
2975 let Inst{11-8} = src{11-8};
2977 let Inst{6-5} = src{6-5};
2979 let Inst{3-0} = src{3-0};
2983 def MOVsi : AsI1<0b1101, (outs GPR:$Rd), (ins shift_so_reg_imm:$src),
2984 DPSoRegImmFrm, IIC_iMOVsr,
2985 "mov", "\t$Rd, $src", [(set GPR:$Rd, shift_so_reg_imm:$src)]>,
2986 UnaryDP, Sched<[WriteALU]> {
2989 let Inst{15-12} = Rd;
2990 let Inst{19-16} = 0b0000;
2991 let Inst{11-5} = src{11-5};
2993 let Inst{3-0} = src{3-0};
2997 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
2998 def MOVi : AsI1<0b1101, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm, IIC_iMOVi,
2999 "mov", "\t$Rd, $imm", [(set GPR:$Rd, so_imm:$imm)]>, UnaryDP,
3004 let Inst{15-12} = Rd;
3005 let Inst{19-16} = 0b0000;
3006 let Inst{11-0} = imm;
3009 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
3010 def MOVi16 : AI1<0b1000, (outs GPR:$Rd), (ins imm0_65535_expr:$imm),
3012 "movw", "\t$Rd, $imm",
3013 [(set GPR:$Rd, imm0_65535:$imm)]>,
3014 Requires<[IsARM, HasV6T2]>, UnaryDP, Sched<[WriteALU]> {
3017 let Inst{15-12} = Rd;
3018 let Inst{11-0} = imm{11-0};
3019 let Inst{19-16} = imm{15-12};
3022 let DecoderMethod = "DecodeArmMOVTWInstruction";
3025 def : InstAlias<"mov${p} $Rd, $imm",
3026 (MOVi16 GPR:$Rd, imm0_65535_expr:$imm, pred:$p)>,
3029 def MOVi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
3030 (ins i32imm:$addr, pclabel:$id), IIC_iMOVi, []>,
3033 let Constraints = "$src = $Rd" in {
3034 def MOVTi16 : AI1<0b1010, (outs GPRnopc:$Rd),
3035 (ins GPR:$src, imm0_65535_expr:$imm),
3037 "movt", "\t$Rd, $imm",
3039 (or (and GPR:$src, 0xffff),
3040 lo16AllZero:$imm))]>, UnaryDP,
3041 Requires<[IsARM, HasV6T2]>, Sched<[WriteALU]> {
3044 let Inst{15-12} = Rd;
3045 let Inst{11-0} = imm{11-0};
3046 let Inst{19-16} = imm{15-12};
3049 let DecoderMethod = "DecodeArmMOVTWInstruction";
3052 def MOVTi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
3053 (ins GPR:$src, i32imm:$addr, pclabel:$id), IIC_iMOVi, []>,
3058 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
3059 Requires<[IsARM, HasV6T2]>;
3061 let Uses = [CPSR] in
3062 def RRX: PseudoInst<(outs GPR:$Rd), (ins GPR:$Rm), IIC_iMOVsi,
3063 [(set GPR:$Rd, (ARMrrx GPR:$Rm))]>, UnaryDP,
3064 Requires<[IsARM]>, Sched<[WriteALU]>;
3066 // These aren't really mov instructions, but we have to define them this way
3067 // due to flag operands.
3069 let Defs = [CPSR] in {
3070 def MOVsrl_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
3071 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP,
3072 Sched<[WriteALU]>, Requires<[IsARM]>;
3073 def MOVsra_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
3074 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP,
3075 Sched<[WriteALU]>, Requires<[IsARM]>;
3078 //===----------------------------------------------------------------------===//
3079 // Extend Instructions.
3084 def SXTB : AI_ext_rrot<0b01101010,
3085 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
3086 def SXTH : AI_ext_rrot<0b01101011,
3087 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
3089 def SXTAB : AI_exta_rrot<0b01101010,
3090 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
3091 def SXTAH : AI_exta_rrot<0b01101011,
3092 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
3094 def SXTB16 : AI_ext_rrot_np<0b01101000, "sxtb16">;
3096 def SXTAB16 : AI_exta_rrot_np<0b01101000, "sxtab16">;
3100 let AddedComplexity = 16 in {
3101 def UXTB : AI_ext_rrot<0b01101110,
3102 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
3103 def UXTH : AI_ext_rrot<0b01101111,
3104 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
3105 def UXTB16 : AI_ext_rrot<0b01101100,
3106 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
3108 // FIXME: This pattern incorrectly assumes the shl operator is a rotate.
3109 // The transformation should probably be done as a combiner action
3110 // instead so we can include a check for masking back in the upper
3111 // eight bits of the source into the lower eight bits of the result.
3112 //def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
3113 // (UXTB16r_rot GPR:$Src, 3)>;
3114 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
3115 (UXTB16 GPR:$Src, 1)>;
3117 def UXTAB : AI_exta_rrot<0b01101110, "uxtab",
3118 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
3119 def UXTAH : AI_exta_rrot<0b01101111, "uxtah",
3120 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
3123 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
3124 def UXTAB16 : AI_exta_rrot_np<0b01101100, "uxtab16">;
3127 def SBFX : I<(outs GPRnopc:$Rd),
3128 (ins GPRnopc:$Rn, imm0_31:$lsb, imm1_32:$width),
3129 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3130 "sbfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
3131 Requires<[IsARM, HasV6T2]> {
3136 let Inst{27-21} = 0b0111101;
3137 let Inst{6-4} = 0b101;
3138 let Inst{20-16} = width;
3139 let Inst{15-12} = Rd;
3140 let Inst{11-7} = lsb;
3144 def UBFX : I<(outs GPR:$Rd),
3145 (ins GPR:$Rn, imm0_31:$lsb, imm1_32:$width),
3146 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3147 "ubfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
3148 Requires<[IsARM, HasV6T2]> {
3153 let Inst{27-21} = 0b0111111;
3154 let Inst{6-4} = 0b101;
3155 let Inst{20-16} = width;
3156 let Inst{15-12} = Rd;
3157 let Inst{11-7} = lsb;
3161 //===----------------------------------------------------------------------===//
3162 // Arithmetic Instructions.
3165 defm ADD : AsI1_bin_irs<0b0100, "add",
3166 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3167 BinOpFrag<(add node:$LHS, node:$RHS)>, 1>;
3168 defm SUB : AsI1_bin_irs<0b0010, "sub",
3169 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3170 BinOpFrag<(sub node:$LHS, node:$RHS)>>;
3172 // ADD and SUB with 's' bit set.
3174 // Currently, ADDS/SUBS are pseudo opcodes that exist only in the
3175 // selection DAG. They are "lowered" to real ADD/SUB opcodes by
3176 // AdjustInstrPostInstrSelection where we determine whether or not to
3177 // set the "s" bit based on CPSR liveness.
3179 // FIXME: Eliminate ADDS/SUBS pseudo opcodes after adding tablegen
3180 // support for an optional CPSR definition that corresponds to the DAG
3181 // node's second value. We can then eliminate the implicit def of CPSR.
3182 defm ADDS : AsI1_bin_s_irs<IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3183 BinOpFrag<(ARMaddc node:$LHS, node:$RHS)>, 1>;
3184 defm SUBS : AsI1_bin_s_irs<IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3185 BinOpFrag<(ARMsubc node:$LHS, node:$RHS)>>;
3187 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
3188 BinOpWithFlagFrag<(ARMadde node:$LHS, node:$RHS, node:$FLAG)>, 1>;
3189 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
3190 BinOpWithFlagFrag<(ARMsube node:$LHS, node:$RHS, node:$FLAG)>>;
3192 defm RSB : AsI1_rbin_irs<0b0011, "rsb",
3193 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3194 BinOpFrag<(sub node:$LHS, node:$RHS)>>;
3196 // FIXME: Eliminate them if we can write def : Pat patterns which defines
3197 // CPSR and the implicit def of CPSR is not needed.
3198 defm RSBS : AsI1_rbin_s_is<IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3199 BinOpFrag<(ARMsubc node:$LHS, node:$RHS)>>;
3201 defm RSC : AI1_rsc_irs<0b0111, "rsc",
3202 BinOpWithFlagFrag<(ARMsube node:$LHS, node:$RHS, node:$FLAG)>>;
3204 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
3205 // The assume-no-carry-in form uses the negation of the input since add/sub
3206 // assume opposite meanings of the carry flag (i.e., carry == !borrow).
3207 // See the definition of AddWithCarry() in the ARM ARM A2.2.1 for the gory
3209 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
3210 (SUBri GPR:$src, so_imm_neg:$imm)>;
3211 def : ARMPat<(ARMaddc GPR:$src, so_imm_neg:$imm),
3212 (SUBSri GPR:$src, so_imm_neg:$imm)>;
3214 def : ARMPat<(add GPR:$src, imm0_65535_neg:$imm),
3215 (SUBrr GPR:$src, (MOVi16 (imm_neg_XFORM imm:$imm)))>,
3216 Requires<[IsARM, HasV6T2]>;
3217 def : ARMPat<(ARMaddc GPR:$src, imm0_65535_neg:$imm),
3218 (SUBSrr GPR:$src, (MOVi16 (imm_neg_XFORM imm:$imm)))>,
3219 Requires<[IsARM, HasV6T2]>;
3221 // The with-carry-in form matches bitwise not instead of the negation.
3222 // Effectively, the inverse interpretation of the carry flag already accounts
3223 // for part of the negation.
3224 def : ARMPat<(ARMadde GPR:$src, so_imm_not:$imm, CPSR),
3225 (SBCri GPR:$src, so_imm_not:$imm)>;
3226 def : ARMPat<(ARMadde GPR:$src, imm0_65535_neg:$imm, CPSR),
3227 (SBCrr GPR:$src, (MOVi16 (imm_not_XFORM imm:$imm)))>;
3229 // Note: These are implemented in C++ code, because they have to generate
3230 // ADD/SUBrs instructions, which use a complex pattern that a xform function
3232 // (mul X, 2^n+1) -> (add (X << n), X)
3233 // (mul X, 2^n-1) -> (rsb X, (X << n))
3235 // ARM Arithmetic Instruction
3236 // GPR:$dst = GPR:$a op GPR:$b
3237 class AAI<bits<8> op27_20, bits<8> op11_4, string opc,
3238 list<dag> pattern = [],
3239 dag iops = (ins GPRnopc:$Rn, GPRnopc:$Rm),
3240 string asm = "\t$Rd, $Rn, $Rm">
3241 : AI<(outs GPRnopc:$Rd), iops, DPFrm, IIC_iALUr, opc, asm, pattern>,
3242 Sched<[WriteALU, ReadALU, ReadALU]> {
3246 let Inst{27-20} = op27_20;
3247 let Inst{11-4} = op11_4;
3248 let Inst{19-16} = Rn;
3249 let Inst{15-12} = Rd;
3252 let Unpredictable{11-8} = 0b1111;
3255 // Saturating add/subtract
3257 let DecoderMethod = "DecodeQADDInstruction" in
3258 def QADD : AAI<0b00010000, 0b00000101, "qadd",
3259 [(set GPRnopc:$Rd, (int_arm_qadd GPRnopc:$Rm, GPRnopc:$Rn))],
3260 (ins GPRnopc:$Rm, GPRnopc:$Rn), "\t$Rd, $Rm, $Rn">;
3262 def QSUB : AAI<0b00010010, 0b00000101, "qsub",
3263 [(set GPRnopc:$Rd, (int_arm_qsub GPRnopc:$Rm, GPRnopc:$Rn))],
3264 (ins GPRnopc:$Rm, GPRnopc:$Rn), "\t$Rd, $Rm, $Rn">;
3265 def QDADD : AAI<0b00010100, 0b00000101, "qdadd", [],
3266 (ins GPRnopc:$Rm, GPRnopc:$Rn),
3268 def QDSUB : AAI<0b00010110, 0b00000101, "qdsub", [],
3269 (ins GPRnopc:$Rm, GPRnopc:$Rn),
3272 def QADD16 : AAI<0b01100010, 0b11110001, "qadd16">;
3273 def QADD8 : AAI<0b01100010, 0b11111001, "qadd8">;
3274 def QASX : AAI<0b01100010, 0b11110011, "qasx">;
3275 def QSAX : AAI<0b01100010, 0b11110101, "qsax">;
3276 def QSUB16 : AAI<0b01100010, 0b11110111, "qsub16">;
3277 def QSUB8 : AAI<0b01100010, 0b11111111, "qsub8">;
3278 def UQADD16 : AAI<0b01100110, 0b11110001, "uqadd16">;
3279 def UQADD8 : AAI<0b01100110, 0b11111001, "uqadd8">;
3280 def UQASX : AAI<0b01100110, 0b11110011, "uqasx">;
3281 def UQSAX : AAI<0b01100110, 0b11110101, "uqsax">;
3282 def UQSUB16 : AAI<0b01100110, 0b11110111, "uqsub16">;
3283 def UQSUB8 : AAI<0b01100110, 0b11111111, "uqsub8">;
3285 // Signed/Unsigned add/subtract
3287 def SASX : AAI<0b01100001, 0b11110011, "sasx">;
3288 def SADD16 : AAI<0b01100001, 0b11110001, "sadd16">;
3289 def SADD8 : AAI<0b01100001, 0b11111001, "sadd8">;
3290 def SSAX : AAI<0b01100001, 0b11110101, "ssax">;
3291 def SSUB16 : AAI<0b01100001, 0b11110111, "ssub16">;
3292 def SSUB8 : AAI<0b01100001, 0b11111111, "ssub8">;
3293 def UASX : AAI<0b01100101, 0b11110011, "uasx">;
3294 def UADD16 : AAI<0b01100101, 0b11110001, "uadd16">;
3295 def UADD8 : AAI<0b01100101, 0b11111001, "uadd8">;
3296 def USAX : AAI<0b01100101, 0b11110101, "usax">;
3297 def USUB16 : AAI<0b01100101, 0b11110111, "usub16">;
3298 def USUB8 : AAI<0b01100101, 0b11111111, "usub8">;
3300 // Signed/Unsigned halving add/subtract
3302 def SHASX : AAI<0b01100011, 0b11110011, "shasx">;
3303 def SHADD16 : AAI<0b01100011, 0b11110001, "shadd16">;
3304 def SHADD8 : AAI<0b01100011, 0b11111001, "shadd8">;
3305 def SHSAX : AAI<0b01100011, 0b11110101, "shsax">;
3306 def SHSUB16 : AAI<0b01100011, 0b11110111, "shsub16">;
3307 def SHSUB8 : AAI<0b01100011, 0b11111111, "shsub8">;
3308 def UHASX : AAI<0b01100111, 0b11110011, "uhasx">;
3309 def UHADD16 : AAI<0b01100111, 0b11110001, "uhadd16">;
3310 def UHADD8 : AAI<0b01100111, 0b11111001, "uhadd8">;
3311 def UHSAX : AAI<0b01100111, 0b11110101, "uhsax">;
3312 def UHSUB16 : AAI<0b01100111, 0b11110111, "uhsub16">;
3313 def UHSUB8 : AAI<0b01100111, 0b11111111, "uhsub8">;
3315 // Unsigned Sum of Absolute Differences [and Accumulate].
3317 def USAD8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3318 MulFrm /* for convenience */, NoItinerary, "usad8",
3319 "\t$Rd, $Rn, $Rm", []>,
3320 Requires<[IsARM, HasV6]>, Sched<[WriteALU, ReadALU, ReadALU]> {
3324 let Inst{27-20} = 0b01111000;
3325 let Inst{15-12} = 0b1111;
3326 let Inst{7-4} = 0b0001;
3327 let Inst{19-16} = Rd;
3328 let Inst{11-8} = Rm;
3331 def USADA8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3332 MulFrm /* for convenience */, NoItinerary, "usada8",
3333 "\t$Rd, $Rn, $Rm, $Ra", []>,
3334 Requires<[IsARM, HasV6]>, Sched<[WriteALU, ReadALU, ReadALU]>{
3339 let Inst{27-20} = 0b01111000;
3340 let Inst{7-4} = 0b0001;
3341 let Inst{19-16} = Rd;
3342 let Inst{15-12} = Ra;
3343 let Inst{11-8} = Rm;
3347 // Signed/Unsigned saturate
3349 def SSAT : AI<(outs GPRnopc:$Rd),
3350 (ins imm1_32:$sat_imm, GPRnopc:$Rn, shift_imm:$sh),
3351 SatFrm, NoItinerary, "ssat", "\t$Rd, $sat_imm, $Rn$sh", []> {
3356 let Inst{27-21} = 0b0110101;
3357 let Inst{5-4} = 0b01;
3358 let Inst{20-16} = sat_imm;
3359 let Inst{15-12} = Rd;
3360 let Inst{11-7} = sh{4-0};
3361 let Inst{6} = sh{5};
3365 def SSAT16 : AI<(outs GPRnopc:$Rd),
3366 (ins imm1_16:$sat_imm, GPRnopc:$Rn), SatFrm,
3367 NoItinerary, "ssat16", "\t$Rd, $sat_imm, $Rn", []> {
3371 let Inst{27-20} = 0b01101010;
3372 let Inst{11-4} = 0b11110011;
3373 let Inst{15-12} = Rd;
3374 let Inst{19-16} = sat_imm;
3378 def USAT : AI<(outs GPRnopc:$Rd),
3379 (ins imm0_31:$sat_imm, GPRnopc:$Rn, shift_imm:$sh),
3380 SatFrm, NoItinerary, "usat", "\t$Rd, $sat_imm, $Rn$sh", []> {
3385 let Inst{27-21} = 0b0110111;
3386 let Inst{5-4} = 0b01;
3387 let Inst{15-12} = Rd;
3388 let Inst{11-7} = sh{4-0};
3389 let Inst{6} = sh{5};
3390 let Inst{20-16} = sat_imm;
3394 def USAT16 : AI<(outs GPRnopc:$Rd),
3395 (ins imm0_15:$sat_imm, GPRnopc:$Rn), SatFrm,
3396 NoItinerary, "usat16", "\t$Rd, $sat_imm, $Rn", []> {
3400 let Inst{27-20} = 0b01101110;
3401 let Inst{11-4} = 0b11110011;
3402 let Inst{15-12} = Rd;
3403 let Inst{19-16} = sat_imm;
3407 def : ARMV6Pat<(int_arm_ssat GPRnopc:$a, imm:$pos),
3408 (SSAT imm:$pos, GPRnopc:$a, 0)>;
3409 def : ARMV6Pat<(int_arm_usat GPRnopc:$a, imm:$pos),
3410 (USAT imm:$pos, GPRnopc:$a, 0)>;
3412 //===----------------------------------------------------------------------===//
3413 // Bitwise Instructions.
3416 defm AND : AsI1_bin_irs<0b0000, "and",
3417 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3418 BinOpFrag<(and node:$LHS, node:$RHS)>, 1>;
3419 defm ORR : AsI1_bin_irs<0b1100, "orr",
3420 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3421 BinOpFrag<(or node:$LHS, node:$RHS)>, 1>;
3422 defm EOR : AsI1_bin_irs<0b0001, "eor",
3423 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3424 BinOpFrag<(xor node:$LHS, node:$RHS)>, 1>;
3425 defm BIC : AsI1_bin_irs<0b1110, "bic",
3426 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3427 BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
3429 // FIXME: bf_inv_mask_imm should be two operands, the lsb and the msb, just
3430 // like in the actual instruction encoding. The complexity of mapping the mask
3431 // to the lsb/msb pair should be handled by ISel, not encapsulated in the
3432 // instruction description.
3433 def BFC : I<(outs GPR:$Rd), (ins GPR:$src, bf_inv_mask_imm:$imm),
3434 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3435 "bfc", "\t$Rd, $imm", "$src = $Rd",
3436 [(set GPR:$Rd, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
3437 Requires<[IsARM, HasV6T2]> {
3440 let Inst{27-21} = 0b0111110;
3441 let Inst{6-0} = 0b0011111;
3442 let Inst{15-12} = Rd;
3443 let Inst{11-7} = imm{4-0}; // lsb
3444 let Inst{20-16} = imm{9-5}; // msb
3447 // A8.6.18 BFI - Bitfield insert (Encoding A1)
3448 def BFI:I<(outs GPRnopc:$Rd), (ins GPRnopc:$src, GPR:$Rn, bf_inv_mask_imm:$imm),
3449 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3450 "bfi", "\t$Rd, $Rn, $imm", "$src = $Rd",
3451 [(set GPRnopc:$Rd, (ARMbfi GPRnopc:$src, GPR:$Rn,
3452 bf_inv_mask_imm:$imm))]>,
3453 Requires<[IsARM, HasV6T2]> {
3457 let Inst{27-21} = 0b0111110;
3458 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
3459 let Inst{15-12} = Rd;
3460 let Inst{11-7} = imm{4-0}; // lsb
3461 let Inst{20-16} = imm{9-5}; // width
3465 def MVNr : AsI1<0b1111, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMVNr,
3466 "mvn", "\t$Rd, $Rm",
3467 [(set GPR:$Rd, (not GPR:$Rm))]>, UnaryDP, Sched<[WriteALU]> {
3471 let Inst{19-16} = 0b0000;
3472 let Inst{11-4} = 0b00000000;
3473 let Inst{15-12} = Rd;
3476 def MVNsi : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg_imm:$shift),
3477 DPSoRegImmFrm, IIC_iMVNsr, "mvn", "\t$Rd, $shift",
3478 [(set GPR:$Rd, (not so_reg_imm:$shift))]>, UnaryDP,
3483 let Inst{19-16} = 0b0000;
3484 let Inst{15-12} = Rd;
3485 let Inst{11-5} = shift{11-5};
3487 let Inst{3-0} = shift{3-0};
3489 def MVNsr : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg_reg:$shift),
3490 DPSoRegRegFrm, IIC_iMVNsr, "mvn", "\t$Rd, $shift",
3491 [(set GPR:$Rd, (not so_reg_reg:$shift))]>, UnaryDP,
3496 let Inst{19-16} = 0b0000;
3497 let Inst{15-12} = Rd;
3498 let Inst{11-8} = shift{11-8};
3500 let Inst{6-5} = shift{6-5};
3502 let Inst{3-0} = shift{3-0};
3504 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
3505 def MVNi : AsI1<0b1111, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm,
3506 IIC_iMVNi, "mvn", "\t$Rd, $imm",
3507 [(set GPR:$Rd, so_imm_not:$imm)]>,UnaryDP, Sched<[WriteALU]> {
3511 let Inst{19-16} = 0b0000;
3512 let Inst{15-12} = Rd;
3513 let Inst{11-0} = imm;
3516 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
3517 (BICri GPR:$src, so_imm_not:$imm)>;
3519 //===----------------------------------------------------------------------===//
3520 // Multiply Instructions.
3522 class AsMul1I32<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
3523 string opc, string asm, list<dag> pattern>
3524 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
3528 let Inst{19-16} = Rd;
3529 let Inst{11-8} = Rm;
3532 class AsMul1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
3533 string opc, string asm, list<dag> pattern>
3534 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
3539 let Inst{19-16} = RdHi;
3540 let Inst{15-12} = RdLo;
3541 let Inst{11-8} = Rm;
3544 class AsMla1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
3545 string opc, string asm, list<dag> pattern>
3546 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
3551 let Inst{19-16} = RdHi;
3552 let Inst{15-12} = RdLo;
3553 let Inst{11-8} = Rm;
3557 // FIXME: The v5 pseudos are only necessary for the additional Constraint
3558 // property. Remove them when it's possible to add those properties
3559 // on an individual MachineInstr, not just an instruction description.
3560 let isCommutable = 1, TwoOperandAliasConstraint = "$Rn = $Rd" in {
3561 def MUL : AsMul1I32<0b0000000, (outs GPRnopc:$Rd),
3562 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3563 IIC_iMUL32, "mul", "\t$Rd, $Rn, $Rm",
3564 [(set GPRnopc:$Rd, (mul GPRnopc:$Rn, GPRnopc:$Rm))]>,
3565 Requires<[IsARM, HasV6]> {
3566 let Inst{15-12} = 0b0000;
3567 let Unpredictable{15-12} = 0b1111;
3570 let Constraints = "@earlyclobber $Rd" in
3571 def MULv5: ARMPseudoExpand<(outs GPRnopc:$Rd), (ins GPRnopc:$Rn, GPRnopc:$Rm,
3572 pred:$p, cc_out:$s),
3574 [(set GPRnopc:$Rd, (mul GPRnopc:$Rn, GPRnopc:$Rm))],
3575 (MUL GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p, cc_out:$s)>,
3576 Requires<[IsARM, NoV6, UseMulOps]>;
3579 def MLA : AsMul1I32<0b0000001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3580 IIC_iMAC32, "mla", "\t$Rd, $Rn, $Rm, $Ra",
3581 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
3582 Requires<[IsARM, HasV6, UseMulOps]> {
3584 let Inst{15-12} = Ra;
3587 let Constraints = "@earlyclobber $Rd" in
3588 def MLAv5: ARMPseudoExpand<(outs GPR:$Rd),
3589 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra, pred:$p, cc_out:$s),
3591 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))],
3592 (MLA GPR:$Rd, GPR:$Rn, GPR:$Rm, GPR:$Ra, pred:$p, cc_out:$s)>,
3593 Requires<[IsARM, NoV6]>;
3595 def MLS : AMul1I<0b0000011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3596 IIC_iMAC32, "mls", "\t$Rd, $Rn, $Rm, $Ra",
3597 [(set GPR:$Rd, (sub GPR:$Ra, (mul GPR:$Rn, GPR:$Rm)))]>,
3598 Requires<[IsARM, HasV6T2, UseMulOps]> {
3603 let Inst{19-16} = Rd;
3604 let Inst{15-12} = Ra;
3605 let Inst{11-8} = Rm;
3609 // Extra precision multiplies with low / high results
3610 let neverHasSideEffects = 1 in {
3611 let isCommutable = 1 in {
3612 def SMULL : AsMul1I64<0b0000110, (outs GPR:$RdLo, GPR:$RdHi),
3613 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
3614 "smull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3615 Requires<[IsARM, HasV6]>;
3617 def UMULL : AsMul1I64<0b0000100, (outs GPR:$RdLo, GPR:$RdHi),
3618 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
3619 "umull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3620 Requires<[IsARM, HasV6]>;
3622 let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
3623 def SMULLv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3624 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
3626 (SMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3627 Requires<[IsARM, NoV6]>;
3629 def UMULLv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3630 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
3632 (UMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3633 Requires<[IsARM, NoV6]>;
3637 // Multiply + accumulate
3638 def SMLAL : AsMla1I64<0b0000111, (outs GPR:$RdLo, GPR:$RdHi),
3639 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi), IIC_iMAC64,
3640 "smlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3641 RegConstraint<"$RLo = $RdLo, $RHi = $RdHi">, Requires<[IsARM, HasV6]>;
3642 def UMLAL : AsMla1I64<0b0000101, (outs GPR:$RdLo, GPR:$RdHi),
3643 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi), IIC_iMAC64,
3644 "umlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3645 RegConstraint<"$RLo = $RdLo, $RHi = $RdHi">, Requires<[IsARM, HasV6]>;
3647 def UMAAL : AMul1I <0b0000010, (outs GPR:$RdLo, GPR:$RdHi),
3648 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
3649 "umaal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3650 Requires<[IsARM, HasV6]> {
3655 let Inst{19-16} = RdHi;
3656 let Inst{15-12} = RdLo;
3657 let Inst{11-8} = Rm;
3661 let Constraints = "$RLo = $RdLo,$RHi = $RdHi" in {
3662 def SMLALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3663 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi, pred:$p, cc_out:$s),
3665 (SMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi,
3666 pred:$p, cc_out:$s)>,
3667 Requires<[IsARM, NoV6]>;
3668 def UMLALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3669 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi, pred:$p, cc_out:$s),
3671 (UMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi,
3672 pred:$p, cc_out:$s)>,
3673 Requires<[IsARM, NoV6]>;
3676 let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
3677 def UMAALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3678 (ins GPR:$Rn, GPR:$Rm, pred:$p),
3680 (UMAAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p)>,
3681 Requires<[IsARM, NoV6]>;
3684 } // neverHasSideEffects
3686 // Most significant word multiply
3687 def SMMUL : AMul2I <0b0111010, 0b0001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3688 IIC_iMUL32, "smmul", "\t$Rd, $Rn, $Rm",
3689 [(set GPR:$Rd, (mulhs GPR:$Rn, GPR:$Rm))]>,
3690 Requires<[IsARM, HasV6]> {
3691 let Inst{15-12} = 0b1111;
3694 def SMMULR : AMul2I <0b0111010, 0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3695 IIC_iMUL32, "smmulr", "\t$Rd, $Rn, $Rm", []>,
3696 Requires<[IsARM, HasV6]> {
3697 let Inst{15-12} = 0b1111;
3700 def SMMLA : AMul2Ia <0b0111010, 0b0001, (outs GPR:$Rd),
3701 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3702 IIC_iMAC32, "smmla", "\t$Rd, $Rn, $Rm, $Ra",
3703 [(set GPR:$Rd, (add (mulhs GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
3704 Requires<[IsARM, HasV6, UseMulOps]>;
3706 def SMMLAR : AMul2Ia <0b0111010, 0b0011, (outs GPR:$Rd),
3707 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3708 IIC_iMAC32, "smmlar", "\t$Rd, $Rn, $Rm, $Ra", []>,
3709 Requires<[IsARM, HasV6]>;
3711 def SMMLS : AMul2Ia <0b0111010, 0b1101, (outs GPR:$Rd),
3712 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3713 IIC_iMAC32, "smmls", "\t$Rd, $Rn, $Rm, $Ra", []>,
3714 Requires<[IsARM, HasV6, UseMulOps]>;
3716 def SMMLSR : AMul2Ia <0b0111010, 0b1111, (outs GPR:$Rd),
3717 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3718 IIC_iMAC32, "smmlsr", "\t$Rd, $Rn, $Rm, $Ra", []>,
3719 Requires<[IsARM, HasV6]>;
3721 multiclass AI_smul<string opc, PatFrag opnode> {
3722 def BB : AMulxyI<0b0001011, 0b00, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3723 IIC_iMUL16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm",
3724 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
3725 (sext_inreg GPR:$Rm, i16)))]>,
3726 Requires<[IsARM, HasV5TE]>;
3728 def BT : AMulxyI<0b0001011, 0b10, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3729 IIC_iMUL16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm",
3730 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
3731 (sra GPR:$Rm, (i32 16))))]>,
3732 Requires<[IsARM, HasV5TE]>;
3734 def TB : AMulxyI<0b0001011, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3735 IIC_iMUL16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm",
3736 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
3737 (sext_inreg GPR:$Rm, i16)))]>,
3738 Requires<[IsARM, HasV5TE]>;
3740 def TT : AMulxyI<0b0001011, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3741 IIC_iMUL16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm",
3742 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
3743 (sra GPR:$Rm, (i32 16))))]>,
3744 Requires<[IsARM, HasV5TE]>;
3746 def WB : AMulxyI<0b0001001, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3747 IIC_iMUL16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm",
3748 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
3749 (sext_inreg GPR:$Rm, i16)), (i32 16)))]>,
3750 Requires<[IsARM, HasV5TE]>;
3752 def WT : AMulxyI<0b0001001, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3753 IIC_iMUL16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm",
3754 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
3755 (sra GPR:$Rm, (i32 16))), (i32 16)))]>,
3756 Requires<[IsARM, HasV5TE]>;
3760 multiclass AI_smla<string opc, PatFrag opnode> {
3761 let DecoderMethod = "DecodeSMLAInstruction" in {
3762 def BB : AMulxyIa<0b0001000, 0b00, (outs GPRnopc:$Rd),
3763 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3764 IIC_iMAC16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm, $Ra",
3765 [(set GPRnopc:$Rd, (add GPR:$Ra,
3766 (opnode (sext_inreg GPRnopc:$Rn, i16),
3767 (sext_inreg GPRnopc:$Rm, i16))))]>,
3768 Requires<[IsARM, HasV5TE, UseMulOps]>;
3770 def BT : AMulxyIa<0b0001000, 0b10, (outs GPRnopc:$Rd),
3771 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3772 IIC_iMAC16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm, $Ra",
3774 (add GPR:$Ra, (opnode (sext_inreg GPRnopc:$Rn, i16),
3775 (sra GPRnopc:$Rm, (i32 16)))))]>,
3776 Requires<[IsARM, HasV5TE, UseMulOps]>;
3778 def TB : AMulxyIa<0b0001000, 0b01, (outs GPRnopc:$Rd),
3779 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3780 IIC_iMAC16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm, $Ra",
3782 (add GPR:$Ra, (opnode (sra GPRnopc:$Rn, (i32 16)),
3783 (sext_inreg GPRnopc:$Rm, i16))))]>,
3784 Requires<[IsARM, HasV5TE, UseMulOps]>;
3786 def TT : AMulxyIa<0b0001000, 0b11, (outs GPRnopc:$Rd),
3787 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3788 IIC_iMAC16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm, $Ra",
3790 (add GPR:$Ra, (opnode (sra GPRnopc:$Rn, (i32 16)),
3791 (sra GPRnopc:$Rm, (i32 16)))))]>,
3792 Requires<[IsARM, HasV5TE, UseMulOps]>;
3794 def WB : AMulxyIa<0b0001001, 0b00, (outs GPRnopc:$Rd),
3795 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3796 IIC_iMAC16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm, $Ra",
3798 (add GPR:$Ra, (sra (opnode GPRnopc:$Rn,
3799 (sext_inreg GPRnopc:$Rm, i16)), (i32 16))))]>,
3800 Requires<[IsARM, HasV5TE, UseMulOps]>;
3802 def WT : AMulxyIa<0b0001001, 0b10, (outs GPRnopc:$Rd),
3803 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3804 IIC_iMAC16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm, $Ra",
3806 (add GPR:$Ra, (sra (opnode GPRnopc:$Rn,
3807 (sra GPRnopc:$Rm, (i32 16))), (i32 16))))]>,
3808 Requires<[IsARM, HasV5TE, UseMulOps]>;
3812 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
3813 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
3815 // Halfword multiply accumulate long: SMLAL<x><y>.
3816 def SMLALBB : AMulxyI64<0b0001010, 0b00, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3817 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3818 IIC_iMAC64, "smlalbb", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3819 Requires<[IsARM, HasV5TE]>;
3821 def SMLALBT : AMulxyI64<0b0001010, 0b10, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3822 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3823 IIC_iMAC64, "smlalbt", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3824 Requires<[IsARM, HasV5TE]>;
3826 def SMLALTB : AMulxyI64<0b0001010, 0b01, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3827 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3828 IIC_iMAC64, "smlaltb", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3829 Requires<[IsARM, HasV5TE]>;
3831 def SMLALTT : AMulxyI64<0b0001010, 0b11, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3832 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3833 IIC_iMAC64, "smlaltt", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3834 Requires<[IsARM, HasV5TE]>;
3836 // Helper class for AI_smld.
3837 class AMulDualIbase<bit long, bit sub, bit swap, dag oops, dag iops,
3838 InstrItinClass itin, string opc, string asm>
3839 : AI<oops, iops, MulFrm, itin, opc, asm, []>, Requires<[IsARM, HasV6]> {
3842 let Inst{27-23} = 0b01110;
3843 let Inst{22} = long;
3844 let Inst{21-20} = 0b00;
3845 let Inst{11-8} = Rm;
3852 class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
3853 InstrItinClass itin, string opc, string asm>
3854 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
3856 let Inst{15-12} = 0b1111;
3857 let Inst{19-16} = Rd;
3859 class AMulDualIa<bit long, bit sub, bit swap, dag oops, dag iops,
3860 InstrItinClass itin, string opc, string asm>
3861 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
3864 let Inst{19-16} = Rd;
3865 let Inst{15-12} = Ra;
3867 class AMulDualI64<bit long, bit sub, bit swap, dag oops, dag iops,
3868 InstrItinClass itin, string opc, string asm>
3869 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
3872 let Inst{19-16} = RdHi;
3873 let Inst{15-12} = RdLo;
3876 multiclass AI_smld<bit sub, string opc> {
3878 def D : AMulDualIa<0, sub, 0, (outs GPRnopc:$Rd),
3879 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3880 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm, $Ra">;
3882 def DX: AMulDualIa<0, sub, 1, (outs GPRnopc:$Rd),
3883 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3884 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm, $Ra">;
3886 def LD: AMulDualI64<1, sub, 0, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3887 (ins GPRnopc:$Rn, GPRnopc:$Rm), NoItinerary,
3888 !strconcat(opc, "ld"), "\t$RdLo, $RdHi, $Rn, $Rm">;
3890 def LDX : AMulDualI64<1, sub, 1, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3891 (ins GPRnopc:$Rn, GPRnopc:$Rm), NoItinerary,
3892 !strconcat(opc, "ldx"),"\t$RdLo, $RdHi, $Rn, $Rm">;
3896 defm SMLA : AI_smld<0, "smla">;
3897 defm SMLS : AI_smld<1, "smls">;
3899 multiclass AI_sdml<bit sub, string opc> {
3901 def D:AMulDualI<0, sub, 0, (outs GPRnopc:$Rd), (ins GPRnopc:$Rn, GPRnopc:$Rm),
3902 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm">;
3903 def DX:AMulDualI<0, sub, 1, (outs GPRnopc:$Rd),(ins GPRnopc:$Rn, GPRnopc:$Rm),
3904 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm">;
3907 defm SMUA : AI_sdml<0, "smua">;
3908 defm SMUS : AI_sdml<1, "smus">;
3910 //===----------------------------------------------------------------------===//
3911 // Division Instructions (ARMv7-A with virtualization extension)
3913 def SDIV : ADivA1I<0b001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), IIC_iDIV,
3914 "sdiv", "\t$Rd, $Rn, $Rm",
3915 [(set GPR:$Rd, (sdiv GPR:$Rn, GPR:$Rm))]>,
3916 Requires<[IsARM, HasDivideInARM]>;
3918 def UDIV : ADivA1I<0b011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), IIC_iDIV,
3919 "udiv", "\t$Rd, $Rn, $Rm",
3920 [(set GPR:$Rd, (udiv GPR:$Rn, GPR:$Rm))]>,
3921 Requires<[IsARM, HasDivideInARM]>;
3923 //===----------------------------------------------------------------------===//
3924 // Misc. Arithmetic Instructions.
3927 def CLZ : AMiscA1I<0b000010110, 0b0001, (outs GPR:$Rd), (ins GPR:$Rm),
3928 IIC_iUNAr, "clz", "\t$Rd, $Rm",
3929 [(set GPR:$Rd, (ctlz GPR:$Rm))]>, Requires<[IsARM, HasV5T]>,
3932 def RBIT : AMiscA1I<0b01101111, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
3933 IIC_iUNAr, "rbit", "\t$Rd, $Rm",
3934 [(set GPR:$Rd, (ARMrbit GPR:$Rm))]>,
3935 Requires<[IsARM, HasV6T2]>,
3938 def REV : AMiscA1I<0b01101011, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
3939 IIC_iUNAr, "rev", "\t$Rd, $Rm",
3940 [(set GPR:$Rd, (bswap GPR:$Rm))]>, Requires<[IsARM, HasV6]>,
3943 let AddedComplexity = 5 in
3944 def REV16 : AMiscA1I<0b01101011, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
3945 IIC_iUNAr, "rev16", "\t$Rd, $Rm",
3946 [(set GPR:$Rd, (rotr (bswap GPR:$Rm), (i32 16)))]>,
3947 Requires<[IsARM, HasV6]>,
3950 let AddedComplexity = 5 in
3951 def REVSH : AMiscA1I<0b01101111, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
3952 IIC_iUNAr, "revsh", "\t$Rd, $Rm",
3953 [(set GPR:$Rd, (sra (bswap GPR:$Rm), (i32 16)))]>,
3954 Requires<[IsARM, HasV6]>,
3957 def : ARMV6Pat<(or (sra (shl GPR:$Rm, (i32 24)), (i32 16)),
3958 (and (srl GPR:$Rm, (i32 8)), 0xFF)),
3961 def PKHBT : APKHI<0b01101000, 0, (outs GPRnopc:$Rd),
3962 (ins GPRnopc:$Rn, GPRnopc:$Rm, pkh_lsl_amt:$sh),
3963 IIC_iALUsi, "pkhbt", "\t$Rd, $Rn, $Rm$sh",
3964 [(set GPRnopc:$Rd, (or (and GPRnopc:$Rn, 0xFFFF),
3965 (and (shl GPRnopc:$Rm, pkh_lsl_amt:$sh),
3967 Requires<[IsARM, HasV6]>,
3968 Sched<[WriteALUsi, ReadALU]>;
3970 // Alternate cases for PKHBT where identities eliminate some nodes.
3971 def : ARMV6Pat<(or (and GPRnopc:$Rn, 0xFFFF), (and GPRnopc:$Rm, 0xFFFF0000)),
3972 (PKHBT GPRnopc:$Rn, GPRnopc:$Rm, 0)>;
3973 def : ARMV6Pat<(or (and GPRnopc:$Rn, 0xFFFF), (shl GPRnopc:$Rm, imm16_31:$sh)),
3974 (PKHBT GPRnopc:$Rn, GPRnopc:$Rm, imm16_31:$sh)>;
3976 // Note: Shifts of 1-15 bits will be transformed to srl instead of sra and
3977 // will match the pattern below.
3978 def PKHTB : APKHI<0b01101000, 1, (outs GPRnopc:$Rd),
3979 (ins GPRnopc:$Rn, GPRnopc:$Rm, pkh_asr_amt:$sh),
3980 IIC_iBITsi, "pkhtb", "\t$Rd, $Rn, $Rm$sh",
3981 [(set GPRnopc:$Rd, (or (and GPRnopc:$Rn, 0xFFFF0000),
3982 (and (sra GPRnopc:$Rm, pkh_asr_amt:$sh),
3984 Requires<[IsARM, HasV6]>,
3985 Sched<[WriteALUsi, ReadALU]>;
3987 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
3988 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
3989 // We also can not replace a srl (17..31) by an arithmetic shift we would use in
3990 // pkhtb src1, src2, asr (17..31).
3991 def : ARMV6Pat<(or (and GPRnopc:$src1, 0xFFFF0000),
3992 (srl GPRnopc:$src2, imm16:$sh)),
3993 (PKHTB GPRnopc:$src1, GPRnopc:$src2, imm16:$sh)>;
3994 def : ARMV6Pat<(or (and GPRnopc:$src1, 0xFFFF0000),
3995 (sra GPRnopc:$src2, imm16_31:$sh)),
3996 (PKHTB GPRnopc:$src1, GPRnopc:$src2, imm16_31:$sh)>;
3997 def : ARMV6Pat<(or (and GPRnopc:$src1, 0xFFFF0000),
3998 (and (srl GPRnopc:$src2, imm1_15:$sh), 0xFFFF)),
3999 (PKHTB GPRnopc:$src1, GPRnopc:$src2, imm1_15:$sh)>;
4001 //===----------------------------------------------------------------------===//
4005 // + CRC32{B,H,W} 0x04C11DB7
4006 // + CRC32C{B,H,W} 0x1EDC6F41
4009 class AI_crc32<bit C, bits<2> sz, string suffix, SDPatternOperator builtin>
4010 : AInoP<(outs GPRnopc:$Rd), (ins GPRnopc:$Rn, GPRnopc:$Rm), MiscFrm, NoItinerary,
4011 !strconcat("crc32", suffix), "\t$Rd, $Rn, $Rm",
4012 [(set GPRnopc:$Rd, (builtin GPRnopc:$Rn, GPRnopc:$Rm))]>,
4013 Requires<[IsARM, HasV8]> {
4018 let Inst{31-28} = 0b1110;
4019 let Inst{27-23} = 0b00010;
4020 let Inst{22-21} = sz;
4022 let Inst{19-16} = Rn;
4023 let Inst{15-12} = Rd;
4024 let Inst{11-10} = 0b00;
4027 let Inst{7-4} = 0b0100;
4030 let Unpredictable{11-8} = 0b1101;
4033 def CRC32B : AI_crc32<0, 0b00, "b", int_arm_crc32b>;
4034 def CRC32CB : AI_crc32<1, 0b00, "cb", int_arm_crc32cb>;
4035 def CRC32H : AI_crc32<0, 0b01, "h", int_arm_crc32h>;
4036 def CRC32CH : AI_crc32<1, 0b01, "ch", int_arm_crc32ch>;
4037 def CRC32W : AI_crc32<0, 0b10, "w", int_arm_crc32w>;
4038 def CRC32CW : AI_crc32<1, 0b10, "cw", int_arm_crc32cw>;
4040 //===----------------------------------------------------------------------===//
4041 // Comparison Instructions...
4044 defm CMP : AI1_cmp_irs<0b1010, "cmp",
4045 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
4046 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
4048 // ARMcmpZ can re-use the above instruction definitions.
4049 def : ARMPat<(ARMcmpZ GPR:$src, so_imm:$imm),
4050 (CMPri GPR:$src, so_imm:$imm)>;
4051 def : ARMPat<(ARMcmpZ GPR:$src, GPR:$rhs),
4052 (CMPrr GPR:$src, GPR:$rhs)>;
4053 def : ARMPat<(ARMcmpZ GPR:$src, so_reg_imm:$rhs),
4054 (CMPrsi GPR:$src, so_reg_imm:$rhs)>;
4055 def : ARMPat<(ARMcmpZ GPR:$src, so_reg_reg:$rhs),
4056 (CMPrsr GPR:$src, so_reg_reg:$rhs)>;
4058 // CMN register-integer
4059 let isCompare = 1, Defs = [CPSR] in {
4060 def CMNri : AI1<0b1011, (outs), (ins GPR:$Rn, so_imm:$imm), DPFrm, IIC_iCMPi,
4061 "cmn", "\t$Rn, $imm",
4062 [(ARMcmn GPR:$Rn, so_imm:$imm)]>,
4063 Sched<[WriteCMP, ReadALU]> {
4068 let Inst{19-16} = Rn;
4069 let Inst{15-12} = 0b0000;
4070 let Inst{11-0} = imm;
4072 let Unpredictable{15-12} = 0b1111;
4075 // CMN register-register/shift
4076 def CMNzrr : AI1<0b1011, (outs), (ins GPR:$Rn, GPR:$Rm), DPFrm, IIC_iCMPr,
4077 "cmn", "\t$Rn, $Rm",
4078 [(BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>
4079 GPR:$Rn, GPR:$Rm)]>, Sched<[WriteCMP, ReadALU, ReadALU]> {
4082 let isCommutable = 1;
4085 let Inst{19-16} = Rn;
4086 let Inst{15-12} = 0b0000;
4087 let Inst{11-4} = 0b00000000;
4090 let Unpredictable{15-12} = 0b1111;
4093 def CMNzrsi : AI1<0b1011, (outs),
4094 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm, IIC_iCMPsr,
4095 "cmn", "\t$Rn, $shift",
4096 [(BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>
4097 GPR:$Rn, so_reg_imm:$shift)]>,
4098 Sched<[WriteCMPsi, ReadALU]> {
4103 let Inst{19-16} = Rn;
4104 let Inst{15-12} = 0b0000;
4105 let Inst{11-5} = shift{11-5};
4107 let Inst{3-0} = shift{3-0};
4109 let Unpredictable{15-12} = 0b1111;
4112 def CMNzrsr : AI1<0b1011, (outs),
4113 (ins GPRnopc:$Rn, so_reg_reg:$shift), DPSoRegRegFrm, IIC_iCMPsr,
4114 "cmn", "\t$Rn, $shift",
4115 [(BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>
4116 GPRnopc:$Rn, so_reg_reg:$shift)]>,
4117 Sched<[WriteCMPsr, ReadALU]> {
4122 let Inst{19-16} = Rn;
4123 let Inst{15-12} = 0b0000;
4124 let Inst{11-8} = shift{11-8};
4126 let Inst{6-5} = shift{6-5};
4128 let Inst{3-0} = shift{3-0};
4130 let Unpredictable{15-12} = 0b1111;
4135 def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
4136 (CMNri GPR:$src, so_imm_neg:$imm)>;
4138 def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
4139 (CMNri GPR:$src, so_imm_neg:$imm)>;
4141 // Note that TST/TEQ don't set all the same flags that CMP does!
4142 defm TST : AI1_cmp_irs<0b1000, "tst",
4143 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
4144 BinOpFrag<(ARMcmpZ (and_su node:$LHS, node:$RHS), 0)>, 1>;
4145 defm TEQ : AI1_cmp_irs<0b1001, "teq",
4146 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
4147 BinOpFrag<(ARMcmpZ (xor_su node:$LHS, node:$RHS), 0)>, 1>;
4149 // Pseudo i64 compares for some floating point compares.
4150 let usesCustomInserter = 1, isBranch = 1, isTerminator = 1,
4152 def BCCi64 : PseudoInst<(outs),
4153 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, brtarget:$dst),
4155 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, bb:$dst)]>,
4158 def BCCZi64 : PseudoInst<(outs),
4159 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, brtarget:$dst), IIC_Br,
4160 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, 0, 0, bb:$dst)]>,
4162 } // usesCustomInserter
4165 // Conditional moves
4166 let neverHasSideEffects = 1 in {
4168 let isCommutable = 1, isSelect = 1 in
4169 def MOVCCr : ARMPseudoInst<(outs GPR:$Rd),
4170 (ins GPR:$false, GPR:$Rm, cmovpred:$p),
4172 [(set GPR:$Rd, (ARMcmov GPR:$false, GPR:$Rm,
4174 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4176 def MOVCCsi : ARMPseudoInst<(outs GPR:$Rd),
4177 (ins GPR:$false, so_reg_imm:$shift, cmovpred:$p),
4180 (ARMcmov GPR:$false, so_reg_imm:$shift,
4182 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4183 def MOVCCsr : ARMPseudoInst<(outs GPR:$Rd),
4184 (ins GPR:$false, so_reg_reg:$shift, cmovpred:$p),
4186 [(set GPR:$Rd, (ARMcmov GPR:$false, so_reg_reg:$shift,
4188 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4191 let isMoveImm = 1 in
4193 : ARMPseudoInst<(outs GPR:$Rd),
4194 (ins GPR:$false, imm0_65535_expr:$imm, cmovpred:$p),
4196 [(set GPR:$Rd, (ARMcmov GPR:$false, imm0_65535:$imm,
4198 RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>,
4201 let isMoveImm = 1 in
4202 def MOVCCi : ARMPseudoInst<(outs GPR:$Rd),
4203 (ins GPR:$false, so_imm:$imm, cmovpred:$p),
4205 [(set GPR:$Rd, (ARMcmov GPR:$false, so_imm:$imm,
4207 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4209 // Two instruction predicate mov immediate.
4210 let isMoveImm = 1 in
4212 : ARMPseudoInst<(outs GPR:$Rd),
4213 (ins GPR:$false, i32imm:$src, cmovpred:$p),
4215 [(set GPR:$Rd, (ARMcmov GPR:$false, imm:$src,
4217 RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>;
4219 let isMoveImm = 1 in
4220 def MVNCCi : ARMPseudoInst<(outs GPR:$Rd),
4221 (ins GPR:$false, so_imm:$imm, cmovpred:$p),
4223 [(set GPR:$Rd, (ARMcmov GPR:$false, so_imm_not:$imm,
4225 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4227 } // neverHasSideEffects
4230 //===----------------------------------------------------------------------===//
4231 // Atomic operations intrinsics
4234 def MemBarrierOptOperand : AsmOperandClass {
4235 let Name = "MemBarrierOpt";
4236 let ParserMethod = "parseMemBarrierOptOperand";
4238 def memb_opt : Operand<i32> {
4239 let PrintMethod = "printMemBOption";
4240 let ParserMatchClass = MemBarrierOptOperand;
4241 let DecoderMethod = "DecodeMemBarrierOption";
4244 def InstSyncBarrierOptOperand : AsmOperandClass {
4245 let Name = "InstSyncBarrierOpt";
4246 let ParserMethod = "parseInstSyncBarrierOptOperand";
4248 def instsyncb_opt : Operand<i32> {
4249 let PrintMethod = "printInstSyncBOption";
4250 let ParserMatchClass = InstSyncBarrierOptOperand;
4251 let DecoderMethod = "DecodeInstSyncBarrierOption";
4254 // memory barriers protect the atomic sequences
4255 let hasSideEffects = 1 in {
4256 def DMB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
4257 "dmb", "\t$opt", [(int_arm_dmb (i32 imm0_15:$opt))]>,
4258 Requires<[IsARM, HasDB]> {
4260 let Inst{31-4} = 0xf57ff05;
4261 let Inst{3-0} = opt;
4265 def DSB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
4266 "dsb", "\t$opt", [(int_arm_dsb (i32 imm0_15:$opt))]>,
4267 Requires<[IsARM, HasDB]> {
4269 let Inst{31-4} = 0xf57ff04;
4270 let Inst{3-0} = opt;
4273 // ISB has only full system option
4274 def ISB : AInoP<(outs), (ins instsyncb_opt:$opt), MiscFrm, NoItinerary,
4275 "isb", "\t$opt", []>,
4276 Requires<[IsARM, HasDB]> {
4278 let Inst{31-4} = 0xf57ff06;
4279 let Inst{3-0} = opt;
4282 let usesCustomInserter = 1, Defs = [CPSR] in {
4284 // Pseudo instruction that combines movs + predicated rsbmi
4285 // to implement integer ABS
4286 def ABS : ARMPseudoInst<(outs GPR:$dst), (ins GPR:$src), 8, NoItinerary, []>;
4288 // Atomic pseudo-insts which will be lowered to ldrex/strex loops.
4289 // (64-bit pseudos use a hand-written selection code).
4290 let mayLoad = 1, mayStore = 1 in {
4291 def ATOMIC_LOAD_ADD_I8 : PseudoInst<
4293 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4295 def ATOMIC_LOAD_SUB_I8 : PseudoInst<
4297 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4299 def ATOMIC_LOAD_AND_I8 : PseudoInst<
4301 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4303 def ATOMIC_LOAD_OR_I8 : PseudoInst<
4305 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4307 def ATOMIC_LOAD_XOR_I8 : PseudoInst<
4309 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4311 def ATOMIC_LOAD_NAND_I8 : PseudoInst<
4313 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4315 def ATOMIC_LOAD_MIN_I8 : PseudoInst<
4317 (ins GPR:$ptr, GPR:$val, i32imm:$ordering),
4319 def ATOMIC_LOAD_MAX_I8 : PseudoInst<
4321 (ins GPR:$ptr, GPR:$val, i32imm:$ordering),
4323 def ATOMIC_LOAD_UMIN_I8 : PseudoInst<
4325 (ins GPR:$ptr, GPR:$val, i32imm:$ordering),
4327 def ATOMIC_LOAD_UMAX_I8 : PseudoInst<
4329 (ins GPR:$ptr, GPR:$val, i32imm:$ordering),
4331 def ATOMIC_SWAP_I8 : PseudoInst<
4333 (ins GPR:$ptr, GPR:$new, i32imm:$ordering),
4335 def ATOMIC_CMP_SWAP_I8 : PseudoInst<
4337 (ins GPR:$ptr, GPR:$old, GPR:$new, i32imm:$ordering),
4339 def ATOMIC_LOAD_ADD_I16 : PseudoInst<
4341 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4343 def ATOMIC_LOAD_SUB_I16 : PseudoInst<
4345 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4347 def ATOMIC_LOAD_AND_I16 : PseudoInst<
4349 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4351 def ATOMIC_LOAD_OR_I16 : PseudoInst<
4353 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4355 def ATOMIC_LOAD_XOR_I16 : PseudoInst<
4357 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4359 def ATOMIC_LOAD_NAND_I16 : PseudoInst<
4361 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4363 def ATOMIC_LOAD_MIN_I16 : PseudoInst<
4365 (ins GPR:$ptr, GPR:$val, i32imm:$ordering),
4367 def ATOMIC_LOAD_MAX_I16 : PseudoInst<
4369 (ins GPR:$ptr, GPR:$val, i32imm:$ordering),
4371 def ATOMIC_LOAD_UMIN_I16 : PseudoInst<
4373 (ins GPR:$ptr, GPR:$val, i32imm:$ordering),
4375 def ATOMIC_LOAD_UMAX_I16 : PseudoInst<
4377 (ins GPR:$ptr, GPR:$val, i32imm:$ordering),
4379 def ATOMIC_SWAP_I16 : PseudoInst<
4381 (ins GPR:$ptr, GPR:$new, i32imm:$ordering),
4383 def ATOMIC_CMP_SWAP_I16 : PseudoInst<
4385 (ins GPR:$ptr, GPR:$old, GPR:$new, i32imm:$ordering),
4387 def ATOMIC_LOAD_ADD_I32 : PseudoInst<
4389 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4391 def ATOMIC_LOAD_SUB_I32 : PseudoInst<
4393 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4395 def ATOMIC_LOAD_AND_I32 : PseudoInst<
4397 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4399 def ATOMIC_LOAD_OR_I32 : PseudoInst<
4401 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4403 def ATOMIC_LOAD_XOR_I32 : PseudoInst<
4405 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4407 def ATOMIC_LOAD_NAND_I32 : PseudoInst<
4409 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4411 def ATOMIC_LOAD_MIN_I32 : PseudoInst<
4413 (ins GPR:$ptr, GPR:$val, i32imm:$ordering),
4415 def ATOMIC_LOAD_MAX_I32 : PseudoInst<
4417 (ins GPR:$ptr, GPR:$val, i32imm:$ordering),
4419 def ATOMIC_LOAD_UMIN_I32 : PseudoInst<
4421 (ins GPR:$ptr, GPR:$val, i32imm:$ordering),
4423 def ATOMIC_LOAD_UMAX_I32 : PseudoInst<
4425 (ins GPR:$ptr, GPR:$val, i32imm:$ordering),
4427 def ATOMIC_SWAP_I32 : PseudoInst<
4429 (ins GPR:$ptr, GPR:$new, i32imm:$ordering),
4431 def ATOMIC_CMP_SWAP_I32 : PseudoInst<
4433 (ins GPR:$ptr, GPR:$old, GPR:$new, i32imm:$ordering),
4435 def ATOMIC_LOAD_ADD_I64 : PseudoInst<
4436 (outs GPR:$dst1, GPR:$dst2),
4437 (ins GPR:$addr, GPR:$src1, GPR:$src2, i32imm:$ordering),
4439 def ATOMIC_LOAD_SUB_I64 : PseudoInst<
4440 (outs GPR:$dst1, GPR:$dst2),
4441 (ins GPR:$addr, GPR:$src1, GPR:$src2, i32imm:$ordering),
4443 def ATOMIC_LOAD_AND_I64 : PseudoInst<
4444 (outs GPR:$dst1, GPR:$dst2),
4445 (ins GPR:$addr, GPR:$src1, GPR:$src2, i32imm:$ordering),
4447 def ATOMIC_LOAD_OR_I64 : PseudoInst<
4448 (outs GPR:$dst1, GPR:$dst2),
4449 (ins GPR:$addr, GPR:$src1, GPR:$src2, i32imm:$ordering),
4451 def ATOMIC_LOAD_XOR_I64 : PseudoInst<
4452 (outs GPR:$dst1, GPR:$dst2),
4453 (ins GPR:$addr, GPR:$src1, GPR:$src2, i32imm:$ordering),
4455 def ATOMIC_LOAD_NAND_I64 : PseudoInst<
4456 (outs GPR:$dst1, GPR:$dst2),
4457 (ins GPR:$addr, GPR:$src1, GPR:$src2, i32imm:$ordering),
4459 def ATOMIC_LOAD_MIN_I64 : PseudoInst<
4460 (outs GPR:$dst1, GPR:$dst2),
4461 (ins GPR:$addr, GPR:$src1, GPR:$src2, i32imm:$ordering),
4463 def ATOMIC_LOAD_MAX_I64 : PseudoInst<
4464 (outs GPR:$dst1, GPR:$dst2),
4465 (ins GPR:$addr, GPR:$src1, GPR:$src2, i32imm:$ordering),
4467 def ATOMIC_LOAD_UMIN_I64 : PseudoInst<
4468 (outs GPR:$dst1, GPR:$dst2),
4469 (ins GPR:$addr, GPR:$src1, GPR:$src2, i32imm:$ordering),
4471 def ATOMIC_LOAD_UMAX_I64 : PseudoInst<
4472 (outs GPR:$dst1, GPR:$dst2),
4473 (ins GPR:$addr, GPR:$src1, GPR:$src2, i32imm:$ordering),
4475 def ATOMIC_SWAP_I64 : PseudoInst<
4476 (outs GPR:$dst1, GPR:$dst2),
4477 (ins GPR:$addr, GPR:$src1, GPR:$src2, i32imm:$ordering),
4479 def ATOMIC_CMP_SWAP_I64 : PseudoInst<
4480 (outs GPR:$dst1, GPR:$dst2),
4481 (ins GPR:$addr, GPR:$cmp1, GPR:$cmp2,
4482 GPR:$set1, GPR:$set2, i32imm:$ordering),
4486 def ATOMIC_LOAD_I64 : PseudoInst<
4487 (outs GPR:$dst1, GPR:$dst2),
4488 (ins GPR:$addr, i32imm:$ordering),
4491 def ATOMIC_STORE_I64 : PseudoInst<
4492 (outs GPR:$dst1, GPR:$dst2),
4493 (ins GPR:$addr, GPR:$src1, GPR:$src2, i32imm:$ordering),
4497 let usesCustomInserter = 1 in {
4498 def COPY_STRUCT_BYVAL_I32 : PseudoInst<
4499 (outs), (ins GPR:$dst, GPR:$src, i32imm:$size, i32imm:$alignment),
4501 [(ARMcopystructbyval GPR:$dst, GPR:$src, imm:$size, imm:$alignment)]>;
4504 def ldrex_1 : PatFrag<(ops node:$ptr), (int_arm_ldrex node:$ptr), [{
4505 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i8;
4508 def ldrex_2 : PatFrag<(ops node:$ptr), (int_arm_ldrex node:$ptr), [{
4509 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i16;
4512 def ldrex_4 : PatFrag<(ops node:$ptr), (int_arm_ldrex node:$ptr), [{
4513 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i32;
4516 def strex_1 : PatFrag<(ops node:$val, node:$ptr),
4517 (int_arm_strex node:$val, node:$ptr), [{
4518 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i8;
4521 def strex_2 : PatFrag<(ops node:$val, node:$ptr),
4522 (int_arm_strex node:$val, node:$ptr), [{
4523 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i16;
4526 def strex_4 : PatFrag<(ops node:$val, node:$ptr),
4527 (int_arm_strex node:$val, node:$ptr), [{
4528 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i32;
4531 let mayLoad = 1 in {
4532 def LDREXB : AIldrex<0b10, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4533 NoItinerary, "ldrexb", "\t$Rt, $addr",
4534 [(set GPR:$Rt, (ldrex_1 addr_offset_none:$addr))]>;
4535 def LDREXH : AIldrex<0b11, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4536 NoItinerary, "ldrexh", "\t$Rt, $addr",
4537 [(set GPR:$Rt, (ldrex_2 addr_offset_none:$addr))]>;
4538 def LDREX : AIldrex<0b00, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4539 NoItinerary, "ldrex", "\t$Rt, $addr",
4540 [(set GPR:$Rt, (ldrex_4 addr_offset_none:$addr))]>;
4541 let hasExtraDefRegAllocReq = 1 in
4542 def LDREXD : AIldrex<0b01, (outs GPRPairOp:$Rt),(ins addr_offset_none:$addr),
4543 NoItinerary, "ldrexd", "\t$Rt, $addr", []> {
4544 let DecoderMethod = "DecodeDoubleRegLoad";
4547 def LDAEXB : AIldaex<0b10, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4548 NoItinerary, "ldaexb", "\t$Rt, $addr", []>;
4549 def LDAEXH : AIldaex<0b11, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4550 NoItinerary, "ldaexh", "\t$Rt, $addr", []>;
4551 def LDAEX : AIldaex<0b00, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4552 NoItinerary, "ldaex", "\t$Rt, $addr", []>;
4553 let hasExtraDefRegAllocReq = 1 in
4554 def LDAEXD : AIldaex<0b01, (outs GPRPairOp:$Rt),(ins addr_offset_none:$addr),
4555 NoItinerary, "ldaexd", "\t$Rt, $addr", []> {
4556 let DecoderMethod = "DecodeDoubleRegLoad";
4560 let mayStore = 1, Constraints = "@earlyclobber $Rd" in {
4561 def STREXB: AIstrex<0b10, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4562 NoItinerary, "strexb", "\t$Rd, $Rt, $addr",
4563 [(set GPR:$Rd, (strex_1 GPR:$Rt, addr_offset_none:$addr))]>;
4564 def STREXH: AIstrex<0b11, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4565 NoItinerary, "strexh", "\t$Rd, $Rt, $addr",
4566 [(set GPR:$Rd, (strex_2 GPR:$Rt, addr_offset_none:$addr))]>;
4567 def STREX : AIstrex<0b00, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4568 NoItinerary, "strex", "\t$Rd, $Rt, $addr",
4569 [(set GPR:$Rd, (strex_4 GPR:$Rt, addr_offset_none:$addr))]>;
4570 let hasExtraSrcRegAllocReq = 1 in
4571 def STREXD : AIstrex<0b01, (outs GPR:$Rd),
4572 (ins GPRPairOp:$Rt, addr_offset_none:$addr),
4573 NoItinerary, "strexd", "\t$Rd, $Rt, $addr", []> {
4574 let DecoderMethod = "DecodeDoubleRegStore";
4576 def STLEXB: AIstlex<0b10, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4577 NoItinerary, "stlexb", "\t$Rd, $Rt, $addr",
4579 def STLEXH: AIstlex<0b11, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4580 NoItinerary, "stlexh", "\t$Rd, $Rt, $addr",
4582 def STLEX : AIstlex<0b00, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4583 NoItinerary, "stlex", "\t$Rd, $Rt, $addr",
4585 let hasExtraSrcRegAllocReq = 1 in
4586 def STLEXD : AIstlex<0b01, (outs GPR:$Rd),
4587 (ins GPRPairOp:$Rt, addr_offset_none:$addr),
4588 NoItinerary, "stlexd", "\t$Rd, $Rt, $addr", []> {
4589 let DecoderMethod = "DecodeDoubleRegStore";
4593 def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex",
4595 Requires<[IsARM, HasV7]> {
4596 let Inst{31-0} = 0b11110101011111111111000000011111;
4599 def : ARMPat<(and (ldrex_1 addr_offset_none:$addr), 0xff),
4600 (LDREXB addr_offset_none:$addr)>;
4601 def : ARMPat<(and (ldrex_2 addr_offset_none:$addr), 0xffff),
4602 (LDREXH addr_offset_none:$addr)>;
4603 def : ARMPat<(strex_1 (and GPR:$Rt, 0xff), addr_offset_none:$addr),
4604 (STREXB GPR:$Rt, addr_offset_none:$addr)>;
4605 def : ARMPat<(strex_2 (and GPR:$Rt, 0xffff), addr_offset_none:$addr),
4606 (STREXH GPR:$Rt, addr_offset_none:$addr)>;
4608 class acquiring_load<PatFrag base>
4609 : PatFrag<(ops node:$ptr), (base node:$ptr), [{
4610 AtomicOrdering Ordering = cast<AtomicSDNode>(N)->getOrdering();
4611 return Ordering == Acquire || Ordering == SequentiallyConsistent;
4614 def atomic_load_acquire_8 : acquiring_load<atomic_load_8>;
4615 def atomic_load_acquire_16 : acquiring_load<atomic_load_16>;
4616 def atomic_load_acquire_32 : acquiring_load<atomic_load_32>;
4618 class releasing_store<PatFrag base>
4619 : PatFrag<(ops node:$ptr, node:$val), (base node:$ptr, node:$val), [{
4620 AtomicOrdering Ordering = cast<AtomicSDNode>(N)->getOrdering();
4621 return Ordering == Release || Ordering == SequentiallyConsistent;
4624 def atomic_store_release_8 : releasing_store<atomic_store_8>;
4625 def atomic_store_release_16 : releasing_store<atomic_store_16>;
4626 def atomic_store_release_32 : releasing_store<atomic_store_32>;
4628 let AddedComplexity = 8 in {
4629 def : ARMPat<(atomic_load_acquire_8 addr_offset_none:$addr), (LDAB addr_offset_none:$addr)>;
4630 def : ARMPat<(atomic_load_acquire_16 addr_offset_none:$addr), (LDAH addr_offset_none:$addr)>;
4631 def : ARMPat<(atomic_load_acquire_32 addr_offset_none:$addr), (LDA addr_offset_none:$addr)>;
4632 def : ARMPat<(atomic_store_release_8 addr_offset_none:$addr, GPR:$val), (STLB GPR:$val, addr_offset_none:$addr)>;
4633 def : ARMPat<(atomic_store_release_16 addr_offset_none:$addr, GPR:$val), (STLH GPR:$val, addr_offset_none:$addr)>;
4634 def : ARMPat<(atomic_store_release_32 addr_offset_none:$addr, GPR:$val), (STL GPR:$val, addr_offset_none:$addr)>;
4637 // SWP/SWPB are deprecated in V6/V7.
4638 let mayLoad = 1, mayStore = 1 in {
4639 def SWP : AIswp<0, (outs GPRnopc:$Rt),
4640 (ins GPRnopc:$Rt2, addr_offset_none:$addr), "swp", []>,
4642 def SWPB: AIswp<1, (outs GPRnopc:$Rt),
4643 (ins GPRnopc:$Rt2, addr_offset_none:$addr), "swpb", []>,
4647 //===----------------------------------------------------------------------===//
4648 // Coprocessor Instructions.
4651 def CDP : ABI<0b1110, (outs), (ins p_imm:$cop, imm0_15:$opc1,
4652 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, imm0_7:$opc2),
4653 NoItinerary, "cdp", "\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
4654 [(int_arm_cdp imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
4655 imm:$CRm, imm:$opc2)]> {
4663 let Inst{3-0} = CRm;
4665 let Inst{7-5} = opc2;
4666 let Inst{11-8} = cop;
4667 let Inst{15-12} = CRd;
4668 let Inst{19-16} = CRn;
4669 let Inst{23-20} = opc1;
4672 def CDP2 : ABXI<0b1110, (outs), (ins p_imm:$cop, imm0_15:$opc1,
4673 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, imm0_7:$opc2),
4674 NoItinerary, "cdp2\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
4675 [(int_arm_cdp2 imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
4676 imm:$CRm, imm:$opc2)]> {
4677 let Inst{31-28} = 0b1111;
4685 let Inst{3-0} = CRm;
4687 let Inst{7-5} = opc2;
4688 let Inst{11-8} = cop;
4689 let Inst{15-12} = CRd;
4690 let Inst{19-16} = CRn;
4691 let Inst{23-20} = opc1;
4694 class ACI<dag oops, dag iops, string opc, string asm,
4695 IndexMode im = IndexModeNone>
4696 : I<oops, iops, AddrModeNone, 4, im, BrFrm, NoItinerary,
4698 let Inst{27-25} = 0b110;
4700 class ACInoP<dag oops, dag iops, string opc, string asm,
4701 IndexMode im = IndexModeNone>
4702 : InoP<oops, iops, AddrModeNone, 4, im, BrFrm, NoItinerary,
4704 let Inst{31-28} = 0b1111;
4705 let Inst{27-25} = 0b110;
4707 multiclass LdStCop<bit load, bit Dbit, string asm> {
4708 def _OFFSET : ACI<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5:$addr),
4709 asm, "\t$cop, $CRd, $addr"> {
4713 let Inst{24} = 1; // P = 1
4714 let Inst{23} = addr{8};
4715 let Inst{22} = Dbit;
4716 let Inst{21} = 0; // W = 0
4717 let Inst{20} = load;
4718 let Inst{19-16} = addr{12-9};
4719 let Inst{15-12} = CRd;
4720 let Inst{11-8} = cop;
4721 let Inst{7-0} = addr{7-0};
4722 let DecoderMethod = "DecodeCopMemInstruction";
4724 def _PRE : ACI<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5_pre:$addr),
4725 asm, "\t$cop, $CRd, $addr!", IndexModePre> {
4729 let Inst{24} = 1; // P = 1
4730 let Inst{23} = addr{8};
4731 let Inst{22} = Dbit;
4732 let Inst{21} = 1; // W = 1
4733 let Inst{20} = load;
4734 let Inst{19-16} = addr{12-9};
4735 let Inst{15-12} = CRd;
4736 let Inst{11-8} = cop;
4737 let Inst{7-0} = addr{7-0};
4738 let DecoderMethod = "DecodeCopMemInstruction";
4740 def _POST: ACI<(outs), (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
4741 postidx_imm8s4:$offset),
4742 asm, "\t$cop, $CRd, $addr, $offset", IndexModePost> {
4747 let Inst{24} = 0; // P = 0
4748 let Inst{23} = offset{8};
4749 let Inst{22} = Dbit;
4750 let Inst{21} = 1; // W = 1
4751 let Inst{20} = load;
4752 let Inst{19-16} = addr;
4753 let Inst{15-12} = CRd;
4754 let Inst{11-8} = cop;
4755 let Inst{7-0} = offset{7-0};
4756 let DecoderMethod = "DecodeCopMemInstruction";
4758 def _OPTION : ACI<(outs),
4759 (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
4760 coproc_option_imm:$option),
4761 asm, "\t$cop, $CRd, $addr, $option"> {
4766 let Inst{24} = 0; // P = 0
4767 let Inst{23} = 1; // U = 1
4768 let Inst{22} = Dbit;
4769 let Inst{21} = 0; // W = 0
4770 let Inst{20} = load;
4771 let Inst{19-16} = addr;
4772 let Inst{15-12} = CRd;
4773 let Inst{11-8} = cop;
4774 let Inst{7-0} = option;
4775 let DecoderMethod = "DecodeCopMemInstruction";
4778 multiclass LdSt2Cop<bit load, bit Dbit, string asm> {
4779 def _OFFSET : ACInoP<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5:$addr),
4780 asm, "\t$cop, $CRd, $addr"> {
4784 let Inst{24} = 1; // P = 1
4785 let Inst{23} = addr{8};
4786 let Inst{22} = Dbit;
4787 let Inst{21} = 0; // W = 0
4788 let Inst{20} = load;
4789 let Inst{19-16} = addr{12-9};
4790 let Inst{15-12} = CRd;
4791 let Inst{11-8} = cop;
4792 let Inst{7-0} = addr{7-0};
4793 let DecoderMethod = "DecodeCopMemInstruction";
4795 def _PRE : ACInoP<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5_pre:$addr),
4796 asm, "\t$cop, $CRd, $addr!", IndexModePre> {
4800 let Inst{24} = 1; // P = 1
4801 let Inst{23} = addr{8};
4802 let Inst{22} = Dbit;
4803 let Inst{21} = 1; // W = 1
4804 let Inst{20} = load;
4805 let Inst{19-16} = addr{12-9};
4806 let Inst{15-12} = CRd;
4807 let Inst{11-8} = cop;
4808 let Inst{7-0} = addr{7-0};
4809 let DecoderMethod = "DecodeCopMemInstruction";
4811 def _POST: ACInoP<(outs), (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
4812 postidx_imm8s4:$offset),
4813 asm, "\t$cop, $CRd, $addr, $offset", IndexModePost> {
4818 let Inst{24} = 0; // P = 0
4819 let Inst{23} = offset{8};
4820 let Inst{22} = Dbit;
4821 let Inst{21} = 1; // W = 1
4822 let Inst{20} = load;
4823 let Inst{19-16} = addr;
4824 let Inst{15-12} = CRd;
4825 let Inst{11-8} = cop;
4826 let Inst{7-0} = offset{7-0};
4827 let DecoderMethod = "DecodeCopMemInstruction";
4829 def _OPTION : ACInoP<(outs),
4830 (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
4831 coproc_option_imm:$option),
4832 asm, "\t$cop, $CRd, $addr, $option"> {
4837 let Inst{24} = 0; // P = 0
4838 let Inst{23} = 1; // U = 1
4839 let Inst{22} = Dbit;
4840 let Inst{21} = 0; // W = 0
4841 let Inst{20} = load;
4842 let Inst{19-16} = addr;
4843 let Inst{15-12} = CRd;
4844 let Inst{11-8} = cop;
4845 let Inst{7-0} = option;
4846 let DecoderMethod = "DecodeCopMemInstruction";
4850 defm LDC : LdStCop <1, 0, "ldc">;
4851 defm LDCL : LdStCop <1, 1, "ldcl">;
4852 defm STC : LdStCop <0, 0, "stc">;
4853 defm STCL : LdStCop <0, 1, "stcl">;
4854 defm LDC2 : LdSt2Cop<1, 0, "ldc2">;
4855 defm LDC2L : LdSt2Cop<1, 1, "ldc2l">;
4856 defm STC2 : LdSt2Cop<0, 0, "stc2">;
4857 defm STC2L : LdSt2Cop<0, 1, "stc2l">;
4859 //===----------------------------------------------------------------------===//
4860 // Move between coprocessor and ARM core register.
4863 class MovRCopro<string opc, bit direction, dag oops, dag iops,
4865 : ABI<0b1110, oops, iops, NoItinerary, opc,
4866 "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2", pattern> {
4867 let Inst{20} = direction;
4877 let Inst{15-12} = Rt;
4878 let Inst{11-8} = cop;
4879 let Inst{23-21} = opc1;
4880 let Inst{7-5} = opc2;
4881 let Inst{3-0} = CRm;
4882 let Inst{19-16} = CRn;
4885 def MCR : MovRCopro<"mcr", 0 /* from ARM core register to coprocessor */,
4887 (ins p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
4888 c_imm:$CRm, imm0_7:$opc2),
4889 [(int_arm_mcr imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
4890 imm:$CRm, imm:$opc2)]>,
4891 ComplexDeprecationPredicate<"MCR">;
4892 def : ARMInstAlias<"mcr${p} $cop, $opc1, $Rt, $CRn, $CRm",
4893 (MCR p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
4894 c_imm:$CRm, 0, pred:$p)>;
4895 def MRC : MovRCopro<"mrc", 1 /* from coprocessor to ARM core register */,
4896 (outs GPRwithAPSR:$Rt),
4897 (ins p_imm:$cop, imm0_7:$opc1, c_imm:$CRn, c_imm:$CRm,
4899 def : ARMInstAlias<"mrc${p} $cop, $opc1, $Rt, $CRn, $CRm",
4900 (MRC GPRwithAPSR:$Rt, p_imm:$cop, imm0_7:$opc1, c_imm:$CRn,
4901 c_imm:$CRm, 0, pred:$p)>;
4903 def : ARMPat<(int_arm_mrc imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2),
4904 (MRC imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
4906 class MovRCopro2<string opc, bit direction, dag oops, dag iops,
4908 : ABXI<0b1110, oops, iops, NoItinerary,
4909 !strconcat(opc, "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2"), pattern> {
4910 let Inst{31-24} = 0b11111110;
4911 let Inst{20} = direction;
4921 let Inst{15-12} = Rt;
4922 let Inst{11-8} = cop;
4923 let Inst{23-21} = opc1;
4924 let Inst{7-5} = opc2;
4925 let Inst{3-0} = CRm;
4926 let Inst{19-16} = CRn;
4929 def MCR2 : MovRCopro2<"mcr2", 0 /* from ARM core register to coprocessor */,
4931 (ins p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
4932 c_imm:$CRm, imm0_7:$opc2),
4933 [(int_arm_mcr2 imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
4934 imm:$CRm, imm:$opc2)]>;
4935 def : ARMInstAlias<"mcr2$ $cop, $opc1, $Rt, $CRn, $CRm",
4936 (MCR2 p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
4938 def MRC2 : MovRCopro2<"mrc2", 1 /* from coprocessor to ARM core register */,
4939 (outs GPRwithAPSR:$Rt),
4940 (ins p_imm:$cop, imm0_7:$opc1, c_imm:$CRn, c_imm:$CRm,
4942 def : ARMInstAlias<"mrc2$ $cop, $opc1, $Rt, $CRn, $CRm",
4943 (MRC2 GPRwithAPSR:$Rt, p_imm:$cop, imm0_7:$opc1, c_imm:$CRn,
4946 def : ARMV5TPat<(int_arm_mrc2 imm:$cop, imm:$opc1, imm:$CRn,
4947 imm:$CRm, imm:$opc2),
4948 (MRC2 imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
4950 class MovRRCopro<string opc, bit direction, list<dag> pattern = []>
4951 : ABI<0b1100, (outs), (ins p_imm:$cop, imm0_15:$opc1,
4952 GPRnopc:$Rt, GPRnopc:$Rt2, c_imm:$CRm),
4953 NoItinerary, opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm", pattern> {
4954 let Inst{23-21} = 0b010;
4955 let Inst{20} = direction;
4963 let Inst{15-12} = Rt;
4964 let Inst{19-16} = Rt2;
4965 let Inst{11-8} = cop;
4966 let Inst{7-4} = opc1;
4967 let Inst{3-0} = CRm;
4970 def MCRR : MovRRCopro<"mcrr", 0 /* from ARM core register to coprocessor */,
4971 [(int_arm_mcrr imm:$cop, imm:$opc1, GPRnopc:$Rt,
4972 GPRnopc:$Rt2, imm:$CRm)]>;
4973 def MRRC : MovRRCopro<"mrrc", 1 /* from coprocessor to ARM core register */>;
4975 class MovRRCopro2<string opc, bit direction, list<dag> pattern = []>
4976 : ABXI<0b1100, (outs), (ins p_imm:$cop, imm0_15:$opc1,
4977 GPRnopc:$Rt, GPRnopc:$Rt2, c_imm:$CRm), NoItinerary,
4978 !strconcat(opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm"), pattern> {
4979 let Inst{31-28} = 0b1111;
4980 let Inst{23-21} = 0b010;
4981 let Inst{20} = direction;
4989 let Inst{15-12} = Rt;
4990 let Inst{19-16} = Rt2;
4991 let Inst{11-8} = cop;
4992 let Inst{7-4} = opc1;
4993 let Inst{3-0} = CRm;
4995 let DecoderMethod = "DecodeMRRC2";
4998 def MCRR2 : MovRRCopro2<"mcrr2", 0 /* from ARM core register to coprocessor */,
4999 [(int_arm_mcrr2 imm:$cop, imm:$opc1, GPRnopc:$Rt,
5000 GPRnopc:$Rt2, imm:$CRm)]>;
5001 def MRRC2 : MovRRCopro2<"mrrc2", 1 /* from coprocessor to ARM core register */>;
5003 //===----------------------------------------------------------------------===//
5004 // Move between special register and ARM core register
5007 // Move to ARM core register from Special Register
5008 def MRS : ABI<0b0001, (outs GPRnopc:$Rd), (ins), NoItinerary,
5009 "mrs", "\t$Rd, apsr", []> {
5011 let Inst{23-16} = 0b00001111;
5012 let Unpredictable{19-17} = 0b111;
5014 let Inst{15-12} = Rd;
5016 let Inst{11-0} = 0b000000000000;
5017 let Unpredictable{11-0} = 0b110100001111;
5020 def : InstAlias<"mrs${p} $Rd, cpsr", (MRS GPRnopc:$Rd, pred:$p)>,
5023 // The MRSsys instruction is the MRS instruction from the ARM ARM,
5024 // section B9.3.9, with the R bit set to 1.
5025 def MRSsys : ABI<0b0001, (outs GPRnopc:$Rd), (ins), NoItinerary,
5026 "mrs", "\t$Rd, spsr", []> {
5028 let Inst{23-16} = 0b01001111;
5029 let Unpredictable{19-16} = 0b1111;
5031 let Inst{15-12} = Rd;
5033 let Inst{11-0} = 0b000000000000;
5034 let Unpredictable{11-0} = 0b110100001111;
5037 // Move from ARM core register to Special Register
5039 // No need to have both system and application versions, the encodings are the
5040 // same and the assembly parser has no way to distinguish between them. The mask
5041 // operand contains the special register (R Bit) in bit 4 and bits 3-0 contains
5042 // the mask with the fields to be accessed in the special register.
5043 def MSR : ABI<0b0001, (outs), (ins msr_mask:$mask, GPR:$Rn), NoItinerary,
5044 "msr", "\t$mask, $Rn", []> {
5049 let Inst{22} = mask{4}; // R bit
5050 let Inst{21-20} = 0b10;
5051 let Inst{19-16} = mask{3-0};
5052 let Inst{15-12} = 0b1111;
5053 let Inst{11-4} = 0b00000000;
5057 def MSRi : ABI<0b0011, (outs), (ins msr_mask:$mask, so_imm:$a), NoItinerary,
5058 "msr", "\t$mask, $a", []> {
5063 let Inst{22} = mask{4}; // R bit
5064 let Inst{21-20} = 0b10;
5065 let Inst{19-16} = mask{3-0};
5066 let Inst{15-12} = 0b1111;
5070 //===----------------------------------------------------------------------===//
5074 // __aeabi_read_tp preserves the registers r1-r3.
5075 // This is a pseudo inst so that we can get the encoding right,
5076 // complete with fixup for the aeabi_read_tp function.
5078 Defs = [R0, R12, LR, CPSR], Uses = [SP] in {
5079 def TPsoft : PseudoInst<(outs), (ins), IIC_Br,
5080 [(set R0, ARMthread_pointer)]>, Sched<[WriteBr]>;
5083 //===----------------------------------------------------------------------===//
5084 // SJLJ Exception handling intrinsics
5085 // eh_sjlj_setjmp() is an instruction sequence to store the return
5086 // address and save #0 in R0 for the non-longjmp case.
5087 // Since by its nature we may be coming from some other function to get
5088 // here, and we're using the stack frame for the containing function to
5089 // save/restore registers, we can't keep anything live in regs across
5090 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
5091 // when we get here from a longjmp(). We force everything out of registers
5092 // except for our own input by listing the relevant registers in Defs. By
5093 // doing so, we also cause the prologue/epilogue code to actively preserve
5094 // all of the callee-saved resgisters, which is exactly what we want.
5095 // A constant value is passed in $val, and we use the location as a scratch.
5097 // These are pseudo-instructions and are lowered to individual MC-insts, so
5098 // no encoding information is necessary.
5100 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR,
5101 Q0, Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8, Q9, Q10, Q11, Q12, Q13, Q14, Q15 ],
5102 hasSideEffects = 1, isBarrier = 1, usesCustomInserter = 1 in {
5103 def Int_eh_sjlj_setjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
5105 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
5106 Requires<[IsARM, HasVFP2]>;
5110 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR ],
5111 hasSideEffects = 1, isBarrier = 1, usesCustomInserter = 1 in {
5112 def Int_eh_sjlj_setjmp_nofp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
5114 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
5115 Requires<[IsARM, NoVFP]>;
5118 // FIXME: Non-IOS version(s)
5119 let isBarrier = 1, hasSideEffects = 1, isTerminator = 1,
5120 Defs = [ R7, LR, SP ] in {
5121 def Int_eh_sjlj_longjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$scratch),
5123 [(ARMeh_sjlj_longjmp GPR:$src, GPR:$scratch)]>,
5124 Requires<[IsARM, IsIOS]>;
5127 // eh.sjlj.dispatchsetup pseudo-instruction.
5128 // This pseudo is used for both ARM and Thumb. Any differences are handled when
5129 // the pseudo is expanded (which happens before any passes that need the
5130 // instruction size).
5131 let isBarrier = 1 in
5132 def Int_eh_sjlj_dispatchsetup : PseudoInst<(outs), (ins), NoItinerary, []>;
5135 //===----------------------------------------------------------------------===//
5136 // Non-Instruction Patterns
5139 // ARMv4 indirect branch using (MOVr PC, dst)
5140 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in
5141 def MOVPCRX : ARMPseudoExpand<(outs), (ins GPR:$dst),
5142 4, IIC_Br, [(brind GPR:$dst)],
5143 (MOVr PC, GPR:$dst, (ops 14, zero_reg), zero_reg)>,
5144 Requires<[IsARM, NoV4T]>, Sched<[WriteBr]>;
5146 // Large immediate handling.
5148 // 32-bit immediate using two piece so_imms or movw + movt.
5149 // This is a single pseudo instruction, the benefit is that it can be remat'd
5150 // as a single unit instead of having to handle reg inputs.
5151 // FIXME: Remove this when we can do generalized remat.
5152 let isReMaterializable = 1, isMoveImm = 1 in
5153 def MOVi32imm : PseudoInst<(outs GPR:$dst), (ins i32imm:$src), IIC_iMOVix2,
5154 [(set GPR:$dst, (arm_i32imm:$src))]>,
5157 // Pseudo instruction that combines movw + movt + add pc (if PIC).
5158 // It also makes it possible to rematerialize the instructions.
5159 // FIXME: Remove this when we can do generalized remat and when machine licm
5160 // can properly the instructions.
5161 let isReMaterializable = 1 in {
5162 def MOV_ga_pcrel : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
5164 [(set GPR:$dst, (ARMWrapperPIC tglobaladdr:$addr))]>,
5165 Requires<[IsARM, UseMovt]>;
5167 def MOV_ga_dyn : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
5169 [(set GPR:$dst, (ARMWrapperDYN tglobaladdr:$addr))]>,
5170 Requires<[IsARM, UseMovt]>;
5172 let AddedComplexity = 10 in
5173 def MOV_ga_pcrel_ldr : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
5175 [(set GPR:$dst, (load (ARMWrapperPIC tglobaladdr:$addr)))]>,
5176 Requires<[IsARM, UseMovt]>;
5177 } // isReMaterializable
5179 // ConstantPool, GlobalAddress, and JumpTable
5180 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>,
5181 Requires<[IsARM, DontUseMovt]>;
5182 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
5183 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
5184 Requires<[IsARM, UseMovt]>;
5185 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
5186 (LEApcrelJT tjumptable:$dst, imm:$id)>;
5188 // TODO: add,sub,and, 3-instr forms?
5190 // Tail calls. These patterns also apply to Thumb mode.
5191 def : Pat<(ARMtcret tcGPR:$dst), (TCRETURNri tcGPR:$dst)>;
5192 def : Pat<(ARMtcret (i32 tglobaladdr:$dst)), (TCRETURNdi texternalsym:$dst)>;
5193 def : Pat<(ARMtcret (i32 texternalsym:$dst)), (TCRETURNdi texternalsym:$dst)>;
5196 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>;
5197 def : ARMPat<(ARMcall_nolink texternalsym:$func),
5198 (BMOVPCB_CALL texternalsym:$func)>;
5200 // zextload i1 -> zextload i8
5201 def : ARMPat<(zextloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
5202 def : ARMPat<(zextloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
5204 // extload -> zextload
5205 def : ARMPat<(extloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
5206 def : ARMPat<(extloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
5207 def : ARMPat<(extloadi8 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
5208 def : ARMPat<(extloadi8 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
5210 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
5212 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
5213 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
5216 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
5217 (sra (shl GPR:$b, (i32 16)), (i32 16))),
5218 (SMULBB GPR:$a, GPR:$b)>;
5219 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
5220 (SMULBB GPR:$a, GPR:$b)>;
5221 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
5222 (sra GPR:$b, (i32 16))),
5223 (SMULBT GPR:$a, GPR:$b)>;
5224 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
5225 (SMULBT GPR:$a, GPR:$b)>;
5226 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
5227 (sra (shl GPR:$b, (i32 16)), (i32 16))),
5228 (SMULTB GPR:$a, GPR:$b)>;
5229 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
5230 (SMULTB GPR:$a, GPR:$b)>;
5231 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
5233 (SMULWB GPR:$a, GPR:$b)>;
5234 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
5235 (SMULWB GPR:$a, GPR:$b)>;
5237 def : ARMV5MOPat<(add GPR:$acc,
5238 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
5239 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
5240 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
5241 def : ARMV5MOPat<(add GPR:$acc,
5242 (mul sext_16_node:$a, sext_16_node:$b)),
5243 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
5244 def : ARMV5MOPat<(add GPR:$acc,
5245 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
5246 (sra GPR:$b, (i32 16)))),
5247 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
5248 def : ARMV5MOPat<(add GPR:$acc,
5249 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
5250 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
5251 def : ARMV5MOPat<(add GPR:$acc,
5252 (mul (sra GPR:$a, (i32 16)),
5253 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
5254 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
5255 def : ARMV5MOPat<(add GPR:$acc,
5256 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
5257 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
5258 def : ARMV5MOPat<(add GPR:$acc,
5259 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
5261 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
5262 def : ARMV5MOPat<(add GPR:$acc,
5263 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
5264 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
5267 // Pre-v7 uses MCR for synchronization barriers.
5268 def : ARMPat<(ARMMemBarrierMCR GPR:$zero), (MCR 15, 0, GPR:$zero, 7, 10, 5)>,
5269 Requires<[IsARM, HasV6]>;
5271 // SXT/UXT with no rotate
5272 let AddedComplexity = 16 in {
5273 def : ARMV6Pat<(and GPR:$Src, 0x000000FF), (UXTB GPR:$Src, 0)>;
5274 def : ARMV6Pat<(and GPR:$Src, 0x0000FFFF), (UXTH GPR:$Src, 0)>;
5275 def : ARMV6Pat<(and GPR:$Src, 0x00FF00FF), (UXTB16 GPR:$Src, 0)>;
5276 def : ARMV6Pat<(add GPR:$Rn, (and GPR:$Rm, 0x00FF)),
5277 (UXTAB GPR:$Rn, GPR:$Rm, 0)>;
5278 def : ARMV6Pat<(add GPR:$Rn, (and GPR:$Rm, 0xFFFF)),
5279 (UXTAH GPR:$Rn, GPR:$Rm, 0)>;
5282 def : ARMV6Pat<(sext_inreg GPR:$Src, i8), (SXTB GPR:$Src, 0)>;
5283 def : ARMV6Pat<(sext_inreg GPR:$Src, i16), (SXTH GPR:$Src, 0)>;
5285 def : ARMV6Pat<(add GPR:$Rn, (sext_inreg GPRnopc:$Rm, i8)),
5286 (SXTAB GPR:$Rn, GPRnopc:$Rm, 0)>;
5287 def : ARMV6Pat<(add GPR:$Rn, (sext_inreg GPRnopc:$Rm, i16)),
5288 (SXTAH GPR:$Rn, GPRnopc:$Rm, 0)>;
5290 // Atomic load/store patterns
5291 def : ARMPat<(atomic_load_8 ldst_so_reg:$src),
5292 (LDRBrs ldst_so_reg:$src)>;
5293 def : ARMPat<(atomic_load_8 addrmode_imm12:$src),
5294 (LDRBi12 addrmode_imm12:$src)>;
5295 def : ARMPat<(atomic_load_16 addrmode3:$src),
5296 (LDRH addrmode3:$src)>;
5297 def : ARMPat<(atomic_load_32 ldst_so_reg:$src),
5298 (LDRrs ldst_so_reg:$src)>;
5299 def : ARMPat<(atomic_load_32 addrmode_imm12:$src),
5300 (LDRi12 addrmode_imm12:$src)>;
5301 def : ARMPat<(atomic_store_8 ldst_so_reg:$ptr, GPR:$val),
5302 (STRBrs GPR:$val, ldst_so_reg:$ptr)>;
5303 def : ARMPat<(atomic_store_8 addrmode_imm12:$ptr, GPR:$val),
5304 (STRBi12 GPR:$val, addrmode_imm12:$ptr)>;
5305 def : ARMPat<(atomic_store_16 addrmode3:$ptr, GPR:$val),
5306 (STRH GPR:$val, addrmode3:$ptr)>;
5307 def : ARMPat<(atomic_store_32 ldst_so_reg:$ptr, GPR:$val),
5308 (STRrs GPR:$val, ldst_so_reg:$ptr)>;
5309 def : ARMPat<(atomic_store_32 addrmode_imm12:$ptr, GPR:$val),
5310 (STRi12 GPR:$val, addrmode_imm12:$ptr)>;
5313 //===----------------------------------------------------------------------===//
5317 include "ARMInstrThumb.td"
5319 //===----------------------------------------------------------------------===//
5323 include "ARMInstrThumb2.td"
5325 //===----------------------------------------------------------------------===//
5326 // Floating Point Support
5329 include "ARMInstrVFP.td"
5331 //===----------------------------------------------------------------------===//
5332 // Advanced SIMD (NEON) Support
5335 include "ARMInstrNEON.td"
5337 //===----------------------------------------------------------------------===//
5338 // Assembler aliases
5342 def : InstAlias<"dmb", (DMB 0xf)>, Requires<[IsARM, HasDB]>;
5343 def : InstAlias<"dsb", (DSB 0xf)>, Requires<[IsARM, HasDB]>;
5344 def : InstAlias<"isb", (ISB 0xf)>, Requires<[IsARM, HasDB]>;
5346 // System instructions
5347 def : MnemonicAlias<"swi", "svc">;
5349 // Load / Store Multiple
5350 def : MnemonicAlias<"ldmfd", "ldm">;
5351 def : MnemonicAlias<"ldmia", "ldm">;
5352 def : MnemonicAlias<"ldmea", "ldmdb">;
5353 def : MnemonicAlias<"stmfd", "stmdb">;
5354 def : MnemonicAlias<"stmia", "stm">;
5355 def : MnemonicAlias<"stmea", "stm">;
5357 // PKHBT/PKHTB with default shift amount. PKHTB is equivalent to PKHBT when the
5358 // shift amount is zero (i.e., unspecified).
5359 def : InstAlias<"pkhbt${p} $Rd, $Rn, $Rm",
5360 (PKHBT GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, 0, pred:$p)>,
5361 Requires<[IsARM, HasV6]>;
5362 def : InstAlias<"pkhtb${p} $Rd, $Rn, $Rm",
5363 (PKHBT GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, 0, pred:$p)>,
5364 Requires<[IsARM, HasV6]>;
5366 // PUSH/POP aliases for STM/LDM
5367 def : ARMInstAlias<"push${p} $regs", (STMDB_UPD SP, pred:$p, reglist:$regs)>;
5368 def : ARMInstAlias<"pop${p} $regs", (LDMIA_UPD SP, pred:$p, reglist:$regs)>;
5370 // SSAT/USAT optional shift operand.
5371 def : ARMInstAlias<"ssat${p} $Rd, $sat_imm, $Rn",
5372 (SSAT GPRnopc:$Rd, imm1_32:$sat_imm, GPRnopc:$Rn, 0, pred:$p)>;
5373 def : ARMInstAlias<"usat${p} $Rd, $sat_imm, $Rn",
5374 (USAT GPRnopc:$Rd, imm0_31:$sat_imm, GPRnopc:$Rn, 0, pred:$p)>;
5377 // Extend instruction optional rotate operand.
5378 def : ARMInstAlias<"sxtab${p} $Rd, $Rn, $Rm",
5379 (SXTAB GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5380 def : ARMInstAlias<"sxtah${p} $Rd, $Rn, $Rm",
5381 (SXTAH GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5382 def : ARMInstAlias<"sxtab16${p} $Rd, $Rn, $Rm",
5383 (SXTAB16 GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5384 def : ARMInstAlias<"sxtb${p} $Rd, $Rm",
5385 (SXTB GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5386 def : ARMInstAlias<"sxtb16${p} $Rd, $Rm",
5387 (SXTB16 GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5388 def : ARMInstAlias<"sxth${p} $Rd, $Rm",
5389 (SXTH GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5391 def : ARMInstAlias<"uxtab${p} $Rd, $Rn, $Rm",
5392 (UXTAB GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5393 def : ARMInstAlias<"uxtah${p} $Rd, $Rn, $Rm",
5394 (UXTAH GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5395 def : ARMInstAlias<"uxtab16${p} $Rd, $Rn, $Rm",
5396 (UXTAB16 GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5397 def : ARMInstAlias<"uxtb${p} $Rd, $Rm",
5398 (UXTB GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5399 def : ARMInstAlias<"uxtb16${p} $Rd, $Rm",
5400 (UXTB16 GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5401 def : ARMInstAlias<"uxth${p} $Rd, $Rm",
5402 (UXTH GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5406 def : MnemonicAlias<"rfefa", "rfeda">;
5407 def : MnemonicAlias<"rfeea", "rfedb">;
5408 def : MnemonicAlias<"rfefd", "rfeia">;
5409 def : MnemonicAlias<"rfeed", "rfeib">;
5410 def : MnemonicAlias<"rfe", "rfeia">;
5413 def : MnemonicAlias<"srsfa", "srsib">;
5414 def : MnemonicAlias<"srsea", "srsia">;
5415 def : MnemonicAlias<"srsfd", "srsdb">;
5416 def : MnemonicAlias<"srsed", "srsda">;
5417 def : MnemonicAlias<"srs", "srsia">;
5420 def : MnemonicAlias<"qsubaddx", "qsax">;
5422 def : MnemonicAlias<"saddsubx", "sasx">;
5423 // SHASX == SHADDSUBX
5424 def : MnemonicAlias<"shaddsubx", "shasx">;
5425 // SHSAX == SHSUBADDX
5426 def : MnemonicAlias<"shsubaddx", "shsax">;
5428 def : MnemonicAlias<"ssubaddx", "ssax">;
5430 def : MnemonicAlias<"uaddsubx", "uasx">;
5431 // UHASX == UHADDSUBX
5432 def : MnemonicAlias<"uhaddsubx", "uhasx">;
5433 // UHSAX == UHSUBADDX
5434 def : MnemonicAlias<"uhsubaddx", "uhsax">;
5435 // UQASX == UQADDSUBX
5436 def : MnemonicAlias<"uqaddsubx", "uqasx">;
5437 // UQSAX == UQSUBADDX
5438 def : MnemonicAlias<"uqsubaddx", "uqsax">;
5440 def : MnemonicAlias<"usubaddx", "usax">;
5442 // "mov Rd, so_imm_not" can be handled via "mvn" in assembly, just like
5444 def : ARMInstAlias<"mov${s}${p} $Rd, $imm",
5445 (MVNi rGPR:$Rd, so_imm_not:$imm, pred:$p, cc_out:$s)>;
5446 def : ARMInstAlias<"mvn${s}${p} $Rd, $imm",
5447 (MOVi rGPR:$Rd, so_imm_not:$imm, pred:$p, cc_out:$s)>;
5448 // Same for AND <--> BIC
5449 def : ARMInstAlias<"bic${s}${p} $Rd, $Rn, $imm",
5450 (ANDri rGPR:$Rd, rGPR:$Rn, so_imm_not:$imm,
5451 pred:$p, cc_out:$s)>;
5452 def : ARMInstAlias<"bic${s}${p} $Rdn, $imm",
5453 (ANDri rGPR:$Rdn, rGPR:$Rdn, so_imm_not:$imm,
5454 pred:$p, cc_out:$s)>;
5455 def : ARMInstAlias<"and${s}${p} $Rd, $Rn, $imm",
5456 (BICri rGPR:$Rd, rGPR:$Rn, so_imm_not:$imm,
5457 pred:$p, cc_out:$s)>;
5458 def : ARMInstAlias<"and${s}${p} $Rdn, $imm",
5459 (BICri rGPR:$Rdn, rGPR:$Rdn, so_imm_not:$imm,
5460 pred:$p, cc_out:$s)>;
5462 // Likewise, "add Rd, so_imm_neg" -> sub
5463 def : ARMInstAlias<"add${s}${p} $Rd, $Rn, $imm",
5464 (SUBri GPR:$Rd, GPR:$Rn, so_imm_neg:$imm, pred:$p, cc_out:$s)>;
5465 def : ARMInstAlias<"add${s}${p} $Rd, $imm",
5466 (SUBri GPR:$Rd, GPR:$Rd, so_imm_neg:$imm, pred:$p, cc_out:$s)>;
5467 // Same for CMP <--> CMN via so_imm_neg
5468 def : ARMInstAlias<"cmp${p} $Rd, $imm",
5469 (CMNri rGPR:$Rd, so_imm_neg:$imm, pred:$p)>;
5470 def : ARMInstAlias<"cmn${p} $Rd, $imm",
5471 (CMPri rGPR:$Rd, so_imm_neg:$imm, pred:$p)>;
5473 // The shifter forms of the MOV instruction are aliased to the ASR, LSL,
5474 // LSR, ROR, and RRX instructions.
5475 // FIXME: We need C++ parser hooks to map the alias to the MOV
5476 // encoding. It seems we should be able to do that sort of thing
5477 // in tblgen, but it could get ugly.
5478 let TwoOperandAliasConstraint = "$Rm = $Rd" in {
5479 def ASRi : ARMAsmPseudo<"asr${s}${p} $Rd, $Rm, $imm",
5480 (ins GPR:$Rd, GPR:$Rm, imm0_32:$imm, pred:$p,
5482 def LSRi : ARMAsmPseudo<"lsr${s}${p} $Rd, $Rm, $imm",
5483 (ins GPR:$Rd, GPR:$Rm, imm0_32:$imm, pred:$p,
5485 def LSLi : ARMAsmPseudo<"lsl${s}${p} $Rd, $Rm, $imm",
5486 (ins GPR:$Rd, GPR:$Rm, imm0_31:$imm, pred:$p,
5488 def RORi : ARMAsmPseudo<"ror${s}${p} $Rd, $Rm, $imm",
5489 (ins GPR:$Rd, GPR:$Rm, imm0_31:$imm, pred:$p,
5492 def RRXi : ARMAsmPseudo<"rrx${s}${p} $Rd, $Rm",
5493 (ins GPR:$Rd, GPR:$Rm, pred:$p, cc_out:$s)>;
5494 let TwoOperandAliasConstraint = "$Rn = $Rd" in {
5495 def ASRr : ARMAsmPseudo<"asr${s}${p} $Rd, $Rn, $Rm",
5496 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5498 def LSRr : ARMAsmPseudo<"lsr${s}${p} $Rd, $Rn, $Rm",
5499 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5501 def LSLr : ARMAsmPseudo<"lsl${s}${p} $Rd, $Rn, $Rm",
5502 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5504 def RORr : ARMAsmPseudo<"ror${s}${p} $Rd, $Rn, $Rm",
5505 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5509 // "neg" is and alias for "rsb rd, rn, #0"
5510 def : ARMInstAlias<"neg${s}${p} $Rd, $Rm",
5511 (RSBri GPR:$Rd, GPR:$Rm, 0, pred:$p, cc_out:$s)>;
5513 // Pre-v6, 'mov r0, r0' was used as a NOP encoding.
5514 def : InstAlias<"nop${p}", (MOVr R0, R0, pred:$p, zero_reg)>,
5515 Requires<[IsARM, NoV6]>;
5517 // UMULL/SMULL are available on all arches, but the instruction definitions
5518 // need difference constraints pre-v6. Use these aliases for the assembly
5519 // parsing on pre-v6.
5520 def : InstAlias<"smull${s}${p} $RdLo, $RdHi, $Rn, $Rm",
5521 (SMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
5522 Requires<[IsARM, NoV6]>;
5523 def : InstAlias<"umull${s}${p} $RdLo, $RdHi, $Rn, $Rm",
5524 (UMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
5525 Requires<[IsARM, NoV6]>;
5527 // 'it' blocks in ARM mode just validate the predicates. The IT itself
5529 def ITasm : ARMAsmPseudo<"it$mask $cc", (ins it_pred:$cc, it_mask:$mask)>;