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_4 predicate - Immediate in the range [0,4].
598 def Imm0_4AsmOperand : ImmAsmOperand
601 let DiagnosticType = "ImmRange0_4";
603 def imm0_4 : Operand<i32>, ImmLeaf<i32, [{ return Imm >= 0 && Imm < 5; }]> {
604 let ParserMatchClass = Imm0_4AsmOperand;
605 let DecoderMethod = "DecodeImm0_4";
608 /// imm0_7 predicate - Immediate in the range [0,7].
609 def Imm0_7AsmOperand: ImmAsmOperand { let Name = "Imm0_7"; }
610 def imm0_7 : Operand<i32>, ImmLeaf<i32, [{
611 return Imm >= 0 && Imm < 8;
613 let ParserMatchClass = Imm0_7AsmOperand;
616 /// imm8 predicate - Immediate is exactly 8.
617 def Imm8AsmOperand: ImmAsmOperand { let Name = "Imm8"; }
618 def imm8 : Operand<i32>, ImmLeaf<i32, [{ return Imm == 8; }]> {
619 let ParserMatchClass = Imm8AsmOperand;
622 /// imm16 predicate - Immediate is exactly 16.
623 def Imm16AsmOperand: ImmAsmOperand { let Name = "Imm16"; }
624 def imm16 : Operand<i32>, ImmLeaf<i32, [{ return Imm == 16; }]> {
625 let ParserMatchClass = Imm16AsmOperand;
628 /// imm32 predicate - Immediate is exactly 32.
629 def Imm32AsmOperand: ImmAsmOperand { let Name = "Imm32"; }
630 def imm32 : Operand<i32>, ImmLeaf<i32, [{ return Imm == 32; }]> {
631 let ParserMatchClass = Imm32AsmOperand;
634 /// imm1_7 predicate - Immediate in the range [1,7].
635 def Imm1_7AsmOperand: ImmAsmOperand { let Name = "Imm1_7"; }
636 def imm1_7 : Operand<i32>, ImmLeaf<i32, [{ return Imm > 0 && Imm < 8; }]> {
637 let ParserMatchClass = Imm1_7AsmOperand;
640 /// imm1_15 predicate - Immediate in the range [1,15].
641 def Imm1_15AsmOperand: ImmAsmOperand { let Name = "Imm1_15"; }
642 def imm1_15 : Operand<i32>, ImmLeaf<i32, [{ return Imm > 0 && Imm < 16; }]> {
643 let ParserMatchClass = Imm1_15AsmOperand;
646 /// imm1_31 predicate - Immediate in the range [1,31].
647 def Imm1_31AsmOperand: ImmAsmOperand { let Name = "Imm1_31"; }
648 def imm1_31 : Operand<i32>, ImmLeaf<i32, [{ return Imm > 0 && Imm < 32; }]> {
649 let ParserMatchClass = Imm1_31AsmOperand;
652 /// imm0_15 predicate - Immediate in the range [0,15].
653 def Imm0_15AsmOperand: ImmAsmOperand {
654 let Name = "Imm0_15";
655 let DiagnosticType = "ImmRange0_15";
657 def imm0_15 : Operand<i32>, ImmLeaf<i32, [{
658 return Imm >= 0 && Imm < 16;
660 let ParserMatchClass = Imm0_15AsmOperand;
663 /// imm0_31 predicate - True if the 32-bit immediate is in the range [0,31].
664 def Imm0_31AsmOperand: ImmAsmOperand { let Name = "Imm0_31"; }
665 def imm0_31 : Operand<i32>, ImmLeaf<i32, [{
666 return Imm >= 0 && Imm < 32;
668 let ParserMatchClass = Imm0_31AsmOperand;
671 /// imm0_32 predicate - True if the 32-bit immediate is in the range [0,32].
672 def Imm0_32AsmOperand: ImmAsmOperand { let Name = "Imm0_32"; }
673 def imm0_32 : Operand<i32>, ImmLeaf<i32, [{
674 return Imm >= 0 && Imm < 32;
676 let ParserMatchClass = Imm0_32AsmOperand;
679 /// imm0_63 predicate - True if the 32-bit immediate is in the range [0,63].
680 def Imm0_63AsmOperand: ImmAsmOperand { let Name = "Imm0_63"; }
681 def imm0_63 : Operand<i32>, ImmLeaf<i32, [{
682 return Imm >= 0 && Imm < 64;
684 let ParserMatchClass = Imm0_63AsmOperand;
687 /// imm0_255 predicate - Immediate in the range [0,255].
688 def Imm0_255AsmOperand : ImmAsmOperand { let Name = "Imm0_255"; }
689 def imm0_255 : Operand<i32>, ImmLeaf<i32, [{ return Imm >= 0 && Imm < 256; }]> {
690 let ParserMatchClass = Imm0_255AsmOperand;
693 /// imm0_65535 - An immediate is in the range [0.65535].
694 def Imm0_65535AsmOperand: ImmAsmOperand { let Name = "Imm0_65535"; }
695 def imm0_65535 : Operand<i32>, ImmLeaf<i32, [{
696 return Imm >= 0 && Imm < 65536;
698 let ParserMatchClass = Imm0_65535AsmOperand;
701 // imm0_65535_neg - An immediate whose negative value is in the range [0.65535].
702 def imm0_65535_neg : Operand<i32>, ImmLeaf<i32, [{
703 return -Imm >= 0 && -Imm < 65536;
706 // imm0_65535_expr - For movt/movw - 16-bit immediate that can also reference
707 // a relocatable expression.
709 // FIXME: This really needs a Thumb version separate from the ARM version.
710 // While the range is the same, and can thus use the same match class,
711 // the encoding is different so it should have a different encoder method.
712 def Imm0_65535ExprAsmOperand: ImmAsmOperand { let Name = "Imm0_65535Expr"; }
713 def imm0_65535_expr : Operand<i32> {
714 let EncoderMethod = "getHiLo16ImmOpValue";
715 let ParserMatchClass = Imm0_65535ExprAsmOperand;
718 def Imm256_65535ExprAsmOperand: ImmAsmOperand { let Name = "Imm256_65535Expr"; }
719 def imm256_65535_expr : Operand<i32> {
720 let ParserMatchClass = Imm256_65535ExprAsmOperand;
723 /// imm24b - True if the 32-bit immediate is encodable in 24 bits.
724 def Imm24bitAsmOperand: ImmAsmOperand { let Name = "Imm24bit"; }
725 def imm24b : Operand<i32>, ImmLeaf<i32, [{
726 return Imm >= 0 && Imm <= 0xffffff;
728 let ParserMatchClass = Imm24bitAsmOperand;
732 /// bf_inv_mask_imm predicate - An AND mask to clear an arbitrary width bitfield
734 def BitfieldAsmOperand : AsmOperandClass {
735 let Name = "Bitfield";
736 let ParserMethod = "parseBitfield";
739 def bf_inv_mask_imm : Operand<i32>,
741 return ARM::isBitFieldInvertedMask(N->getZExtValue());
743 let EncoderMethod = "getBitfieldInvertedMaskOpValue";
744 let PrintMethod = "printBitfieldInvMaskImmOperand";
745 let DecoderMethod = "DecodeBitfieldMaskOperand";
746 let ParserMatchClass = BitfieldAsmOperand;
749 def imm1_32_XFORM: SDNodeXForm<imm, [{
750 return CurDAG->getTargetConstant((int)N->getZExtValue() - 1, MVT::i32);
752 def Imm1_32AsmOperand: AsmOperandClass { let Name = "Imm1_32"; }
753 def imm1_32 : Operand<i32>, PatLeaf<(imm), [{
754 uint64_t Imm = N->getZExtValue();
755 return Imm > 0 && Imm <= 32;
758 let PrintMethod = "printImmPlusOneOperand";
759 let ParserMatchClass = Imm1_32AsmOperand;
762 def imm1_16_XFORM: SDNodeXForm<imm, [{
763 return CurDAG->getTargetConstant((int)N->getZExtValue() - 1, MVT::i32);
765 def Imm1_16AsmOperand: AsmOperandClass { let Name = "Imm1_16"; }
766 def imm1_16 : Operand<i32>, PatLeaf<(imm), [{ return Imm > 0 && Imm <= 16; }],
768 let PrintMethod = "printImmPlusOneOperand";
769 let ParserMatchClass = Imm1_16AsmOperand;
772 // Define ARM specific addressing modes.
773 // addrmode_imm12 := reg +/- imm12
775 def MemImm12OffsetAsmOperand : AsmOperandClass { let Name = "MemImm12Offset"; }
776 class AddrMode_Imm12 : Operand<i32>,
777 ComplexPattern<i32, 2, "SelectAddrModeImm12", []> {
778 // 12-bit immediate operand. Note that instructions using this encode
779 // #0 and #-0 differently. We flag #-0 as the magic value INT32_MIN. All other
780 // immediate values are as normal.
782 let EncoderMethod = "getAddrModeImm12OpValue";
783 let DecoderMethod = "DecodeAddrModeImm12Operand";
784 let ParserMatchClass = MemImm12OffsetAsmOperand;
785 let MIOperandInfo = (ops GPR:$base, i32imm:$offsimm);
788 def addrmode_imm12 : AddrMode_Imm12 {
789 let PrintMethod = "printAddrModeImm12Operand<false>";
792 def addrmode_imm12_pre : AddrMode_Imm12 {
793 let PrintMethod = "printAddrModeImm12Operand<true>";
796 // ldst_so_reg := reg +/- reg shop imm
798 def MemRegOffsetAsmOperand : AsmOperandClass { let Name = "MemRegOffset"; }
799 def ldst_so_reg : Operand<i32>,
800 ComplexPattern<i32, 3, "SelectLdStSOReg", []> {
801 let EncoderMethod = "getLdStSORegOpValue";
802 // FIXME: Simplify the printer
803 let PrintMethod = "printAddrMode2Operand";
804 let DecoderMethod = "DecodeSORegMemOperand";
805 let ParserMatchClass = MemRegOffsetAsmOperand;
806 let MIOperandInfo = (ops GPR:$base, GPRnopc:$offsreg, i32imm:$shift);
809 // postidx_imm8 := +/- [0,255]
812 // {8} 1 is imm8 is non-negative. 0 otherwise.
813 // {7-0} [0,255] imm8 value.
814 def PostIdxImm8AsmOperand : AsmOperandClass { let Name = "PostIdxImm8"; }
815 def postidx_imm8 : Operand<i32> {
816 let PrintMethod = "printPostIdxImm8Operand";
817 let ParserMatchClass = PostIdxImm8AsmOperand;
818 let MIOperandInfo = (ops i32imm);
821 // postidx_imm8s4 := +/- [0,1020]
824 // {8} 1 is imm8 is non-negative. 0 otherwise.
825 // {7-0} [0,255] imm8 value, scaled by 4.
826 def PostIdxImm8s4AsmOperand : AsmOperandClass { let Name = "PostIdxImm8s4"; }
827 def postidx_imm8s4 : Operand<i32> {
828 let PrintMethod = "printPostIdxImm8s4Operand";
829 let ParserMatchClass = PostIdxImm8s4AsmOperand;
830 let MIOperandInfo = (ops i32imm);
834 // postidx_reg := +/- reg
836 def PostIdxRegAsmOperand : AsmOperandClass {
837 let Name = "PostIdxReg";
838 let ParserMethod = "parsePostIdxReg";
840 def postidx_reg : Operand<i32> {
841 let EncoderMethod = "getPostIdxRegOpValue";
842 let DecoderMethod = "DecodePostIdxReg";
843 let PrintMethod = "printPostIdxRegOperand";
844 let ParserMatchClass = PostIdxRegAsmOperand;
845 let MIOperandInfo = (ops GPRnopc, i32imm);
849 // addrmode2 := reg +/- imm12
850 // := reg +/- reg shop imm
852 // FIXME: addrmode2 should be refactored the rest of the way to always
853 // use explicit imm vs. reg versions above (addrmode_imm12 and ldst_so_reg).
854 def AddrMode2AsmOperand : AsmOperandClass { let Name = "AddrMode2"; }
855 def addrmode2 : Operand<i32>,
856 ComplexPattern<i32, 3, "SelectAddrMode2", []> {
857 let EncoderMethod = "getAddrMode2OpValue";
858 let PrintMethod = "printAddrMode2Operand";
859 let ParserMatchClass = AddrMode2AsmOperand;
860 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
863 def PostIdxRegShiftedAsmOperand : AsmOperandClass {
864 let Name = "PostIdxRegShifted";
865 let ParserMethod = "parsePostIdxReg";
867 def am2offset_reg : Operand<i32>,
868 ComplexPattern<i32, 2, "SelectAddrMode2OffsetReg",
869 [], [SDNPWantRoot]> {
870 let EncoderMethod = "getAddrMode2OffsetOpValue";
871 let PrintMethod = "printAddrMode2OffsetOperand";
872 // When using this for assembly, it's always as a post-index offset.
873 let ParserMatchClass = PostIdxRegShiftedAsmOperand;
874 let MIOperandInfo = (ops GPRnopc, i32imm);
877 // FIXME: am2offset_imm should only need the immediate, not the GPR. Having
878 // the GPR is purely vestigal at this point.
879 def AM2OffsetImmAsmOperand : AsmOperandClass { let Name = "AM2OffsetImm"; }
880 def am2offset_imm : Operand<i32>,
881 ComplexPattern<i32, 2, "SelectAddrMode2OffsetImm",
882 [], [SDNPWantRoot]> {
883 let EncoderMethod = "getAddrMode2OffsetOpValue";
884 let PrintMethod = "printAddrMode2OffsetOperand";
885 let ParserMatchClass = AM2OffsetImmAsmOperand;
886 let MIOperandInfo = (ops GPRnopc, i32imm);
890 // addrmode3 := reg +/- reg
891 // addrmode3 := reg +/- imm8
893 // FIXME: split into imm vs. reg versions.
894 def AddrMode3AsmOperand : AsmOperandClass { let Name = "AddrMode3"; }
895 class AddrMode3 : Operand<i32>,
896 ComplexPattern<i32, 3, "SelectAddrMode3", []> {
897 let EncoderMethod = "getAddrMode3OpValue";
898 let ParserMatchClass = AddrMode3AsmOperand;
899 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
902 def addrmode3 : AddrMode3
904 let PrintMethod = "printAddrMode3Operand<false>";
907 def addrmode3_pre : AddrMode3
909 let PrintMethod = "printAddrMode3Operand<true>";
912 // FIXME: split into imm vs. reg versions.
913 // FIXME: parser method to handle +/- register.
914 def AM3OffsetAsmOperand : AsmOperandClass {
915 let Name = "AM3Offset";
916 let ParserMethod = "parseAM3Offset";
918 def am3offset : Operand<i32>,
919 ComplexPattern<i32, 2, "SelectAddrMode3Offset",
920 [], [SDNPWantRoot]> {
921 let EncoderMethod = "getAddrMode3OffsetOpValue";
922 let PrintMethod = "printAddrMode3OffsetOperand";
923 let ParserMatchClass = AM3OffsetAsmOperand;
924 let MIOperandInfo = (ops GPR, i32imm);
927 // ldstm_mode := {ia, ib, da, db}
929 def ldstm_mode : OptionalDefOperand<OtherVT, (ops i32), (ops (i32 1))> {
930 let EncoderMethod = "getLdStmModeOpValue";
931 let PrintMethod = "printLdStmModeOperand";
934 // addrmode5 := reg +/- imm8*4
936 def AddrMode5AsmOperand : AsmOperandClass { let Name = "AddrMode5"; }
937 class AddrMode5 : Operand<i32>,
938 ComplexPattern<i32, 2, "SelectAddrMode5", []> {
939 let EncoderMethod = "getAddrMode5OpValue";
940 let DecoderMethod = "DecodeAddrMode5Operand";
941 let ParserMatchClass = AddrMode5AsmOperand;
942 let MIOperandInfo = (ops GPR:$base, i32imm);
945 def addrmode5 : AddrMode5 {
946 let PrintMethod = "printAddrMode5Operand<false>";
949 def addrmode5_pre : AddrMode5 {
950 let PrintMethod = "printAddrMode5Operand<true>";
953 // addrmode6 := reg with optional alignment
955 def AddrMode6AsmOperand : AsmOperandClass { let Name = "AlignedMemory"; }
956 def addrmode6 : Operand<i32>,
957 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
958 let PrintMethod = "printAddrMode6Operand";
959 let MIOperandInfo = (ops GPR:$addr, i32imm:$align);
960 let EncoderMethod = "getAddrMode6AddressOpValue";
961 let DecoderMethod = "DecodeAddrMode6Operand";
962 let ParserMatchClass = AddrMode6AsmOperand;
965 def am6offset : Operand<i32>,
966 ComplexPattern<i32, 1, "SelectAddrMode6Offset",
967 [], [SDNPWantRoot]> {
968 let PrintMethod = "printAddrMode6OffsetOperand";
969 let MIOperandInfo = (ops GPR);
970 let EncoderMethod = "getAddrMode6OffsetOpValue";
971 let DecoderMethod = "DecodeGPRRegisterClass";
974 // Special version of addrmode6 to handle alignment encoding for VST1/VLD1
975 // (single element from one lane) for size 32.
976 def addrmode6oneL32 : Operand<i32>,
977 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
978 let PrintMethod = "printAddrMode6Operand";
979 let MIOperandInfo = (ops GPR:$addr, i32imm);
980 let EncoderMethod = "getAddrMode6OneLane32AddressOpValue";
983 // Special version of addrmode6 to handle alignment encoding for VLD-dup
984 // instructions, specifically VLD4-dup.
985 def addrmode6dup : Operand<i32>,
986 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
987 let PrintMethod = "printAddrMode6Operand";
988 let MIOperandInfo = (ops GPR:$addr, i32imm);
989 let EncoderMethod = "getAddrMode6DupAddressOpValue";
990 // FIXME: This is close, but not quite right. The alignment specifier is
992 let ParserMatchClass = AddrMode6AsmOperand;
995 // addrmodepc := pc + reg
997 def addrmodepc : Operand<i32>,
998 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
999 let PrintMethod = "printAddrModePCOperand";
1000 let MIOperandInfo = (ops GPR, i32imm);
1003 // addr_offset_none := reg
1005 def MemNoOffsetAsmOperand : AsmOperandClass { let Name = "MemNoOffset"; }
1006 def addr_offset_none : Operand<i32>,
1007 ComplexPattern<i32, 1, "SelectAddrOffsetNone", []> {
1008 let PrintMethod = "printAddrMode7Operand";
1009 let DecoderMethod = "DecodeAddrMode7Operand";
1010 let ParserMatchClass = MemNoOffsetAsmOperand;
1011 let MIOperandInfo = (ops GPR:$base);
1014 def nohash_imm : Operand<i32> {
1015 let PrintMethod = "printNoHashImmediate";
1018 def CoprocNumAsmOperand : AsmOperandClass {
1019 let Name = "CoprocNum";
1020 let ParserMethod = "parseCoprocNumOperand";
1022 def p_imm : Operand<i32> {
1023 let PrintMethod = "printPImmediate";
1024 let ParserMatchClass = CoprocNumAsmOperand;
1025 let DecoderMethod = "DecodeCoprocessor";
1028 def CoprocRegAsmOperand : AsmOperandClass {
1029 let Name = "CoprocReg";
1030 let ParserMethod = "parseCoprocRegOperand";
1032 def c_imm : Operand<i32> {
1033 let PrintMethod = "printCImmediate";
1034 let ParserMatchClass = CoprocRegAsmOperand;
1036 def CoprocOptionAsmOperand : AsmOperandClass {
1037 let Name = "CoprocOption";
1038 let ParserMethod = "parseCoprocOptionOperand";
1040 def coproc_option_imm : Operand<i32> {
1041 let PrintMethod = "printCoprocOptionImm";
1042 let ParserMatchClass = CoprocOptionAsmOperand;
1045 //===----------------------------------------------------------------------===//
1047 include "ARMInstrFormats.td"
1049 //===----------------------------------------------------------------------===//
1050 // Multiclass helpers...
1053 /// AsI1_bin_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns for a
1054 /// binop that produces a value.
1055 let TwoOperandAliasConstraint = "$Rn = $Rd" in
1056 multiclass AsI1_bin_irs<bits<4> opcod, string opc,
1057 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
1058 PatFrag opnode, bit Commutable = 0> {
1059 // The register-immediate version is re-materializable. This is useful
1060 // in particular for taking the address of a local.
1061 let isReMaterializable = 1 in {
1062 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
1063 iii, opc, "\t$Rd, $Rn, $imm",
1064 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>,
1065 Sched<[WriteALU, ReadALU]> {
1070 let Inst{19-16} = Rn;
1071 let Inst{15-12} = Rd;
1072 let Inst{11-0} = imm;
1075 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
1076 iir, opc, "\t$Rd, $Rn, $Rm",
1077 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
1078 Sched<[WriteALU, ReadALU, ReadALU]> {
1083 let isCommutable = Commutable;
1084 let Inst{19-16} = Rn;
1085 let Inst{15-12} = Rd;
1086 let Inst{11-4} = 0b00000000;
1090 def rsi : AsI1<opcod, (outs GPR:$Rd),
1091 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm,
1092 iis, opc, "\t$Rd, $Rn, $shift",
1093 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_imm:$shift))]>,
1094 Sched<[WriteALUsi, ReadALU]> {
1099 let Inst{19-16} = Rn;
1100 let Inst{15-12} = Rd;
1101 let Inst{11-5} = shift{11-5};
1103 let Inst{3-0} = shift{3-0};
1106 def rsr : AsI1<opcod, (outs GPR:$Rd),
1107 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm,
1108 iis, opc, "\t$Rd, $Rn, $shift",
1109 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_reg:$shift))]>,
1110 Sched<[WriteALUsr, ReadALUsr]> {
1115 let Inst{19-16} = Rn;
1116 let Inst{15-12} = Rd;
1117 let Inst{11-8} = shift{11-8};
1119 let Inst{6-5} = shift{6-5};
1121 let Inst{3-0} = shift{3-0};
1125 /// AsI1_rbin_irs - Same as AsI1_bin_irs except the order of operands are
1126 /// reversed. The 'rr' form is only defined for the disassembler; for codegen
1127 /// it is equivalent to the AsI1_bin_irs counterpart.
1128 let TwoOperandAliasConstraint = "$Rn = $Rd" in
1129 multiclass AsI1_rbin_irs<bits<4> opcod, string opc,
1130 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
1131 PatFrag opnode, bit Commutable = 0> {
1132 // The register-immediate version is re-materializable. This is useful
1133 // in particular for taking the address of a local.
1134 let isReMaterializable = 1 in {
1135 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
1136 iii, opc, "\t$Rd, $Rn, $imm",
1137 [(set GPR:$Rd, (opnode so_imm:$imm, GPR:$Rn))]>,
1138 Sched<[WriteALU, ReadALU]> {
1143 let Inst{19-16} = Rn;
1144 let Inst{15-12} = Rd;
1145 let Inst{11-0} = imm;
1148 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
1149 iir, opc, "\t$Rd, $Rn, $Rm",
1150 [/* pattern left blank */]>,
1151 Sched<[WriteALU, ReadALU, ReadALU]> {
1155 let Inst{11-4} = 0b00000000;
1158 let Inst{15-12} = Rd;
1159 let Inst{19-16} = Rn;
1162 def rsi : AsI1<opcod, (outs GPR:$Rd),
1163 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm,
1164 iis, opc, "\t$Rd, $Rn, $shift",
1165 [(set GPR:$Rd, (opnode so_reg_imm:$shift, GPR:$Rn))]>,
1166 Sched<[WriteALUsi, ReadALU]> {
1171 let Inst{19-16} = Rn;
1172 let Inst{15-12} = Rd;
1173 let Inst{11-5} = shift{11-5};
1175 let Inst{3-0} = shift{3-0};
1178 def rsr : AsI1<opcod, (outs GPR:$Rd),
1179 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm,
1180 iis, opc, "\t$Rd, $Rn, $shift",
1181 [(set GPR:$Rd, (opnode so_reg_reg:$shift, GPR:$Rn))]>,
1182 Sched<[WriteALUsr, ReadALUsr]> {
1187 let Inst{19-16} = Rn;
1188 let Inst{15-12} = Rd;
1189 let Inst{11-8} = shift{11-8};
1191 let Inst{6-5} = shift{6-5};
1193 let Inst{3-0} = shift{3-0};
1197 /// AsI1_bin_s_irs - Same as AsI1_bin_irs except it sets the 's' bit by default.
1199 /// These opcodes will be converted to the real non-S opcodes by
1200 /// AdjustInstrPostInstrSelection after giving them an optional CPSR operand.
1201 let hasPostISelHook = 1, Defs = [CPSR] in {
1202 multiclass AsI1_bin_s_irs<InstrItinClass iii, InstrItinClass iir,
1203 InstrItinClass iis, PatFrag opnode,
1204 bit Commutable = 0> {
1205 def ri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm, pred:$p),
1207 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, so_imm:$imm))]>,
1208 Sched<[WriteALU, ReadALU]>;
1210 def rr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, pred:$p),
1212 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, GPR:$Rm))]>,
1213 Sched<[WriteALU, ReadALU, ReadALU]> {
1214 let isCommutable = Commutable;
1216 def rsi : ARMPseudoInst<(outs GPR:$Rd),
1217 (ins GPR:$Rn, so_reg_imm:$shift, pred:$p),
1219 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn,
1220 so_reg_imm:$shift))]>,
1221 Sched<[WriteALUsi, ReadALU]>;
1223 def rsr : ARMPseudoInst<(outs GPR:$Rd),
1224 (ins GPR:$Rn, so_reg_reg:$shift, pred:$p),
1226 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn,
1227 so_reg_reg:$shift))]>,
1228 Sched<[WriteALUSsr, ReadALUsr]>;
1232 /// AsI1_rbin_s_is - Same as AsI1_bin_s_irs, except selection DAG
1233 /// operands are reversed.
1234 let hasPostISelHook = 1, Defs = [CPSR] in {
1235 multiclass AsI1_rbin_s_is<InstrItinClass iii, InstrItinClass iir,
1236 InstrItinClass iis, PatFrag opnode,
1237 bit Commutable = 0> {
1238 def ri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm, pred:$p),
1240 [(set GPR:$Rd, CPSR, (opnode so_imm:$imm, GPR:$Rn))]>,
1241 Sched<[WriteALU, ReadALU]>;
1243 def rsi : ARMPseudoInst<(outs GPR:$Rd),
1244 (ins GPR:$Rn, so_reg_imm:$shift, pred:$p),
1246 [(set GPR:$Rd, CPSR, (opnode so_reg_imm:$shift,
1248 Sched<[WriteALUsi, ReadALU]>;
1250 def rsr : ARMPseudoInst<(outs GPR:$Rd),
1251 (ins GPR:$Rn, so_reg_reg:$shift, pred:$p),
1253 [(set GPR:$Rd, CPSR, (opnode so_reg_reg:$shift,
1255 Sched<[WriteALUSsr, ReadALUsr]>;
1259 /// AI1_cmp_irs - Defines a set of (op r, {so_imm|r|so_reg}) cmp / test
1260 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
1261 /// a explicit result, only implicitly set CPSR.
1262 let isCompare = 1, Defs = [CPSR] in {
1263 multiclass AI1_cmp_irs<bits<4> opcod, string opc,
1264 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
1265 PatFrag opnode, bit Commutable = 0> {
1266 def ri : AI1<opcod, (outs), (ins GPR:$Rn, so_imm:$imm), DPFrm, iii,
1268 [(opnode GPR:$Rn, so_imm:$imm)]>,
1269 Sched<[WriteCMP, ReadALU]> {
1274 let Inst{19-16} = Rn;
1275 let Inst{15-12} = 0b0000;
1276 let Inst{11-0} = imm;
1278 let Unpredictable{15-12} = 0b1111;
1280 def rr : AI1<opcod, (outs), (ins GPR:$Rn, GPR:$Rm), DPFrm, iir,
1282 [(opnode GPR:$Rn, GPR:$Rm)]>,
1283 Sched<[WriteCMP, ReadALU, ReadALU]> {
1286 let isCommutable = Commutable;
1289 let Inst{19-16} = Rn;
1290 let Inst{15-12} = 0b0000;
1291 let Inst{11-4} = 0b00000000;
1294 let Unpredictable{15-12} = 0b1111;
1296 def rsi : AI1<opcod, (outs),
1297 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm, iis,
1298 opc, "\t$Rn, $shift",
1299 [(opnode GPR:$Rn, so_reg_imm:$shift)]>,
1300 Sched<[WriteCMPsi, ReadALU]> {
1305 let Inst{19-16} = Rn;
1306 let Inst{15-12} = 0b0000;
1307 let Inst{11-5} = shift{11-5};
1309 let Inst{3-0} = shift{3-0};
1311 let Unpredictable{15-12} = 0b1111;
1313 def rsr : AI1<opcod, (outs),
1314 (ins GPRnopc:$Rn, so_reg_reg:$shift), DPSoRegRegFrm, iis,
1315 opc, "\t$Rn, $shift",
1316 [(opnode GPRnopc:$Rn, so_reg_reg:$shift)]>,
1317 Sched<[WriteCMPsr, ReadALU]> {
1322 let Inst{19-16} = Rn;
1323 let Inst{15-12} = 0b0000;
1324 let Inst{11-8} = shift{11-8};
1326 let Inst{6-5} = shift{6-5};
1328 let Inst{3-0} = shift{3-0};
1330 let Unpredictable{15-12} = 0b1111;
1336 /// AI_ext_rrot - A unary operation with two forms: one whose operand is a
1337 /// register and one whose operand is a register rotated by 8/16/24.
1338 /// FIXME: Remove the 'r' variant. Its rot_imm is zero.
1339 class AI_ext_rrot<bits<8> opcod, string opc, PatFrag opnode>
1340 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPRnopc:$Rm, rot_imm:$rot),
1341 IIC_iEXTr, opc, "\t$Rd, $Rm$rot",
1342 [(set GPRnopc:$Rd, (opnode (rotr GPRnopc:$Rm, rot_imm:$rot)))]>,
1343 Requires<[IsARM, HasV6]>, Sched<[WriteALUsi]> {
1347 let Inst{19-16} = 0b1111;
1348 let Inst{15-12} = Rd;
1349 let Inst{11-10} = rot;
1353 class AI_ext_rrot_np<bits<8> opcod, string opc>
1354 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPRnopc:$Rm, rot_imm:$rot),
1355 IIC_iEXTr, opc, "\t$Rd, $Rm$rot", []>,
1356 Requires<[IsARM, HasV6]>, Sched<[WriteALUsi]> {
1358 let Inst{19-16} = 0b1111;
1359 let Inst{11-10} = rot;
1362 /// AI_exta_rrot - A binary operation with two forms: one whose operand is a
1363 /// register and one whose operand is a register rotated by 8/16/24.
1364 class AI_exta_rrot<bits<8> opcod, string opc, PatFrag opnode>
1365 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPR:$Rn, GPRnopc:$Rm, rot_imm:$rot),
1366 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm$rot",
1367 [(set GPRnopc:$Rd, (opnode GPR:$Rn,
1368 (rotr GPRnopc:$Rm, rot_imm:$rot)))]>,
1369 Requires<[IsARM, HasV6]>, Sched<[WriteALUsr]> {
1374 let Inst{19-16} = Rn;
1375 let Inst{15-12} = Rd;
1376 let Inst{11-10} = rot;
1377 let Inst{9-4} = 0b000111;
1381 class AI_exta_rrot_np<bits<8> opcod, string opc>
1382 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPR:$Rn, GPRnopc:$Rm, rot_imm:$rot),
1383 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm$rot", []>,
1384 Requires<[IsARM, HasV6]>, Sched<[WriteALUsr]> {
1387 let Inst{19-16} = Rn;
1388 let Inst{11-10} = rot;
1391 /// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
1392 let TwoOperandAliasConstraint = "$Rn = $Rd" in
1393 multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode,
1394 bit Commutable = 0> {
1395 let hasPostISelHook = 1, Defs = [CPSR], Uses = [CPSR] in {
1396 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
1397 DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
1398 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, so_imm:$imm, CPSR))]>,
1400 Sched<[WriteALU, ReadALU]> {
1405 let Inst{15-12} = Rd;
1406 let Inst{19-16} = Rn;
1407 let Inst{11-0} = imm;
1409 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
1410 DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
1411 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, GPR:$Rm, CPSR))]>,
1413 Sched<[WriteALU, ReadALU, ReadALU]> {
1417 let Inst{11-4} = 0b00000000;
1419 let isCommutable = Commutable;
1421 let Inst{15-12} = Rd;
1422 let Inst{19-16} = Rn;
1424 def rsi : AsI1<opcod, (outs GPR:$Rd),
1425 (ins GPR:$Rn, so_reg_imm:$shift),
1426 DPSoRegImmFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1427 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, so_reg_imm:$shift, CPSR))]>,
1429 Sched<[WriteALUsi, ReadALU]> {
1434 let Inst{19-16} = Rn;
1435 let Inst{15-12} = Rd;
1436 let Inst{11-5} = shift{11-5};
1438 let Inst{3-0} = shift{3-0};
1440 def rsr : AsI1<opcod, (outs GPRnopc:$Rd),
1441 (ins GPRnopc:$Rn, so_reg_reg:$shift),
1442 DPSoRegRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1443 [(set GPRnopc:$Rd, CPSR,
1444 (opnode GPRnopc:$Rn, so_reg_reg:$shift, CPSR))]>,
1446 Sched<[WriteALUsr, ReadALUsr]> {
1451 let Inst{19-16} = Rn;
1452 let Inst{15-12} = Rd;
1453 let Inst{11-8} = shift{11-8};
1455 let Inst{6-5} = shift{6-5};
1457 let Inst{3-0} = shift{3-0};
1462 /// AI1_rsc_irs - Define instructions and patterns for rsc
1463 let TwoOperandAliasConstraint = "$Rn = $Rd" in
1464 multiclass AI1_rsc_irs<bits<4> opcod, string opc, PatFrag opnode> {
1465 let hasPostISelHook = 1, Defs = [CPSR], Uses = [CPSR] in {
1466 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
1467 DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
1468 [(set GPR:$Rd, CPSR, (opnode so_imm:$imm, GPR:$Rn, CPSR))]>,
1470 Sched<[WriteALU, ReadALU]> {
1475 let Inst{15-12} = Rd;
1476 let Inst{19-16} = Rn;
1477 let Inst{11-0} = imm;
1479 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
1480 DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
1481 [/* pattern left blank */]>,
1482 Sched<[WriteALU, ReadALU, ReadALU]> {
1486 let Inst{11-4} = 0b00000000;
1489 let Inst{15-12} = Rd;
1490 let Inst{19-16} = Rn;
1492 def rsi : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_imm:$shift),
1493 DPSoRegImmFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1494 [(set GPR:$Rd, CPSR, (opnode so_reg_imm:$shift, GPR:$Rn, CPSR))]>,
1496 Sched<[WriteALUsi, ReadALU]> {
1501 let Inst{19-16} = Rn;
1502 let Inst{15-12} = Rd;
1503 let Inst{11-5} = shift{11-5};
1505 let Inst{3-0} = shift{3-0};
1507 def rsr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_reg:$shift),
1508 DPSoRegRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1509 [(set GPR:$Rd, CPSR, (opnode so_reg_reg:$shift, GPR:$Rn, CPSR))]>,
1511 Sched<[WriteALUsr, ReadALUsr]> {
1516 let Inst{19-16} = Rn;
1517 let Inst{15-12} = Rd;
1518 let Inst{11-8} = shift{11-8};
1520 let Inst{6-5} = shift{6-5};
1522 let Inst{3-0} = shift{3-0};
1527 let canFoldAsLoad = 1, isReMaterializable = 1 in {
1528 multiclass AI_ldr1<bit isByte, string opc, InstrItinClass iii,
1529 InstrItinClass iir, PatFrag opnode> {
1530 // Note: We use the complex addrmode_imm12 rather than just an input
1531 // GPR and a constrained immediate so that we can use this to match
1532 // frame index references and avoid matching constant pool references.
1533 def i12: AI2ldst<0b010, 1, isByte, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
1534 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
1535 [(set GPR:$Rt, (opnode addrmode_imm12:$addr))]> {
1538 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1539 let Inst{19-16} = addr{16-13}; // Rn
1540 let Inst{15-12} = Rt;
1541 let Inst{11-0} = addr{11-0}; // imm12
1543 def rs : AI2ldst<0b011, 1, isByte, (outs GPR:$Rt), (ins ldst_so_reg:$shift),
1544 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
1545 [(set GPR:$Rt, (opnode ldst_so_reg:$shift))]> {
1548 let shift{4} = 0; // Inst{4} = 0
1549 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1550 let Inst{19-16} = shift{16-13}; // Rn
1551 let Inst{15-12} = Rt;
1552 let Inst{11-0} = shift{11-0};
1557 let canFoldAsLoad = 1, isReMaterializable = 1 in {
1558 multiclass AI_ldr1nopc<bit isByte, string opc, InstrItinClass iii,
1559 InstrItinClass iir, PatFrag opnode> {
1560 // Note: We use the complex addrmode_imm12 rather than just an input
1561 // GPR and a constrained immediate so that we can use this to match
1562 // frame index references and avoid matching constant pool references.
1563 def i12: AI2ldst<0b010, 1, isByte, (outs GPRnopc:$Rt),
1564 (ins addrmode_imm12:$addr),
1565 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
1566 [(set GPRnopc:$Rt, (opnode addrmode_imm12:$addr))]> {
1569 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1570 let Inst{19-16} = addr{16-13}; // Rn
1571 let Inst{15-12} = Rt;
1572 let Inst{11-0} = addr{11-0}; // imm12
1574 def rs : AI2ldst<0b011, 1, isByte, (outs GPRnopc:$Rt),
1575 (ins ldst_so_reg:$shift),
1576 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
1577 [(set GPRnopc:$Rt, (opnode ldst_so_reg:$shift))]> {
1580 let shift{4} = 0; // Inst{4} = 0
1581 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1582 let Inst{19-16} = shift{16-13}; // Rn
1583 let Inst{15-12} = Rt;
1584 let Inst{11-0} = shift{11-0};
1590 multiclass AI_str1<bit isByte, string opc, InstrItinClass iii,
1591 InstrItinClass iir, PatFrag opnode> {
1592 // Note: We use the complex addrmode_imm12 rather than just an input
1593 // GPR and a constrained immediate so that we can use this to match
1594 // frame index references and avoid matching constant pool references.
1595 def i12 : AI2ldst<0b010, 0, isByte, (outs),
1596 (ins GPR:$Rt, addrmode_imm12:$addr),
1597 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
1598 [(opnode GPR:$Rt, addrmode_imm12:$addr)]> {
1601 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1602 let Inst{19-16} = addr{16-13}; // Rn
1603 let Inst{15-12} = Rt;
1604 let Inst{11-0} = addr{11-0}; // imm12
1606 def rs : AI2ldst<0b011, 0, isByte, (outs), (ins GPR:$Rt, ldst_so_reg:$shift),
1607 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
1608 [(opnode GPR:$Rt, ldst_so_reg:$shift)]> {
1611 let shift{4} = 0; // Inst{4} = 0
1612 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1613 let Inst{19-16} = shift{16-13}; // Rn
1614 let Inst{15-12} = Rt;
1615 let Inst{11-0} = shift{11-0};
1619 multiclass AI_str1nopc<bit isByte, string opc, InstrItinClass iii,
1620 InstrItinClass iir, PatFrag opnode> {
1621 // Note: We use the complex addrmode_imm12 rather than just an input
1622 // GPR and a constrained immediate so that we can use this to match
1623 // frame index references and avoid matching constant pool references.
1624 def i12 : AI2ldst<0b010, 0, isByte, (outs),
1625 (ins GPRnopc:$Rt, addrmode_imm12:$addr),
1626 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
1627 [(opnode GPRnopc:$Rt, addrmode_imm12:$addr)]> {
1630 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1631 let Inst{19-16} = addr{16-13}; // Rn
1632 let Inst{15-12} = Rt;
1633 let Inst{11-0} = addr{11-0}; // imm12
1635 def rs : AI2ldst<0b011, 0, isByte, (outs),
1636 (ins GPRnopc:$Rt, ldst_so_reg:$shift),
1637 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
1638 [(opnode GPRnopc:$Rt, ldst_so_reg:$shift)]> {
1641 let shift{4} = 0; // Inst{4} = 0
1642 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1643 let Inst{19-16} = shift{16-13}; // Rn
1644 let Inst{15-12} = Rt;
1645 let Inst{11-0} = shift{11-0};
1650 //===----------------------------------------------------------------------===//
1652 //===----------------------------------------------------------------------===//
1654 //===----------------------------------------------------------------------===//
1655 // Miscellaneous Instructions.
1658 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
1659 /// the function. The first operand is the ID# for this instruction, the second
1660 /// is the index into the MachineConstantPool that this is, the third is the
1661 /// size in bytes of this constant pool entry.
1662 let neverHasSideEffects = 1, isNotDuplicable = 1 in
1663 def CONSTPOOL_ENTRY :
1664 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
1665 i32imm:$size), NoItinerary, []>;
1667 // FIXME: Marking these as hasSideEffects is necessary to prevent machine DCE
1668 // from removing one half of the matched pairs. That breaks PEI, which assumes
1669 // these will always be in pairs, and asserts if it finds otherwise. Better way?
1670 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
1671 def ADJCALLSTACKUP :
1672 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary,
1673 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
1675 def ADJCALLSTACKDOWN :
1676 PseudoInst<(outs), (ins i32imm:$amt, pred:$p), NoItinerary,
1677 [(ARMcallseq_start timm:$amt)]>;
1680 def HINT : AI<(outs), (ins imm0_4:$imm), MiscFrm, NoItinerary,
1681 "hint", "\t$imm", []>, Requires<[IsARM, HasV6]> {
1683 let Inst{27-3} = 0b0011001000001111000000000;
1684 let Inst{2-0} = imm;
1687 def : InstAlias<"nop$p", (HINT 0, pred:$p)>, Requires<[IsARM, HasV6T2]>;
1688 def : InstAlias<"yield$p", (HINT 1, pred:$p)>, Requires<[IsARM, HasV6T2]>;
1689 def : InstAlias<"wfe$p", (HINT 2, pred:$p)>, Requires<[IsARM, HasV6T2]>;
1690 def : InstAlias<"wfi$p", (HINT 3, pred:$p)>, Requires<[IsARM, HasV6T2]>;
1691 def : InstAlias<"sev$p", (HINT 4, pred:$p)>, Requires<[IsARM, HasV6T2]>;
1693 def SEL : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm, NoItinerary, "sel",
1694 "\t$Rd, $Rn, $Rm", []>, Requires<[IsARM, HasV6]> {
1699 let Inst{15-12} = Rd;
1700 let Inst{19-16} = Rn;
1701 let Inst{27-20} = 0b01101000;
1702 let Inst{7-4} = 0b1011;
1703 let Inst{11-8} = 0b1111;
1704 let Unpredictable{11-8} = 0b1111;
1707 // The 16-bit operand $val can be used by a debugger to store more information
1708 // about the breakpoint.
1709 def BKPT : AInoP<(outs), (ins imm0_65535:$val), MiscFrm, NoItinerary,
1710 "bkpt", "\t$val", []>, Requires<[IsARM]> {
1712 let Inst{3-0} = val{3-0};
1713 let Inst{19-8} = val{15-4};
1714 let Inst{27-20} = 0b00010010;
1715 let Inst{31-28} = 0xe; // AL
1716 let Inst{7-4} = 0b0111;
1719 def HLT : AInoP<(outs), (ins imm0_65535:$val), MiscFrm, NoItinerary,
1720 "hlt", "\t$val", []>, Requires<[IsARM, HasV8]> {
1722 let Inst{3-0} = val{3-0};
1723 let Inst{19-8} = val{15-4};
1724 let Inst{27-20} = 0b00010000;
1725 let Inst{31-28} = 0xe; // AL
1726 let Inst{7-4} = 0b0111;
1729 // Change Processor State
1730 // FIXME: We should use InstAlias to handle the optional operands.
1731 class CPS<dag iops, string asm_ops>
1732 : AXI<(outs), iops, MiscFrm, NoItinerary, !strconcat("cps", asm_ops),
1733 []>, Requires<[IsARM]> {
1739 let Inst{31-28} = 0b1111;
1740 let Inst{27-20} = 0b00010000;
1741 let Inst{19-18} = imod;
1742 let Inst{17} = M; // Enabled if mode is set;
1743 let Inst{16-9} = 0b00000000;
1744 let Inst{8-6} = iflags;
1746 let Inst{4-0} = mode;
1749 let DecoderMethod = "DecodeCPSInstruction" in {
1751 def CPS3p : CPS<(ins imod_op:$imod, iflags_op:$iflags, imm0_31:$mode),
1752 "$imod\t$iflags, $mode">;
1753 let mode = 0, M = 0 in
1754 def CPS2p : CPS<(ins imod_op:$imod, iflags_op:$iflags), "$imod\t$iflags">;
1756 let imod = 0, iflags = 0, M = 1 in
1757 def CPS1p : CPS<(ins imm0_31:$mode), "\t$mode">;
1760 // Preload signals the memory system of possible future data/instruction access.
1761 multiclass APreLoad<bits<1> read, bits<1> data, string opc> {
1763 def i12 : AXI<(outs), (ins addrmode_imm12:$addr), MiscFrm, IIC_Preload,
1764 !strconcat(opc, "\t$addr"),
1765 [(ARMPreload addrmode_imm12:$addr, (i32 read), (i32 data))]>,
1766 Sched<[WritePreLd]> {
1769 let Inst{31-26} = 0b111101;
1770 let Inst{25} = 0; // 0 for immediate form
1771 let Inst{24} = data;
1772 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1773 let Inst{22} = read;
1774 let Inst{21-20} = 0b01;
1775 let Inst{19-16} = addr{16-13}; // Rn
1776 let Inst{15-12} = 0b1111;
1777 let Inst{11-0} = addr{11-0}; // imm12
1780 def rs : AXI<(outs), (ins ldst_so_reg:$shift), MiscFrm, IIC_Preload,
1781 !strconcat(opc, "\t$shift"),
1782 [(ARMPreload ldst_so_reg:$shift, (i32 read), (i32 data))]>,
1783 Sched<[WritePreLd]> {
1785 let Inst{31-26} = 0b111101;
1786 let Inst{25} = 1; // 1 for register form
1787 let Inst{24} = data;
1788 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1789 let Inst{22} = read;
1790 let Inst{21-20} = 0b01;
1791 let Inst{19-16} = shift{16-13}; // Rn
1792 let Inst{15-12} = 0b1111;
1793 let Inst{11-0} = shift{11-0};
1798 defm PLD : APreLoad<1, 1, "pld">, Requires<[IsARM]>;
1799 defm PLDW : APreLoad<0, 1, "pldw">, Requires<[IsARM,HasV7,HasMP]>;
1800 defm PLI : APreLoad<1, 0, "pli">, Requires<[IsARM,HasV7]>;
1802 def SETEND : AXI<(outs), (ins setend_op:$end), MiscFrm, NoItinerary,
1803 "setend\t$end", []>, Requires<[IsARM]>, Deprecated<HasV8Ops> {
1805 let Inst{31-10} = 0b1111000100000001000000;
1810 def DBG : AI<(outs), (ins imm0_15:$opt), MiscFrm, NoItinerary, "dbg", "\t$opt",
1811 []>, Requires<[IsARM, HasV7]> {
1813 let Inst{27-4} = 0b001100100000111100001111;
1814 let Inst{3-0} = opt;
1818 * A5.4 Permanently UNDEFINED instructions.
1820 * For most targets use UDF #65006, for which the OS will generate SIGTRAP.
1821 * Other UDF encodings generate SIGILL.
1823 * NaCl's OS instead chooses an ARM UDF encoding that's also a UDF in Thumb.
1825 * 1110 0111 1111 iiii iiii iiii 1111 iiii
1827 * 1101 1110 iiii iiii
1828 * It uses the following encoding:
1829 * 1110 0111 1111 1110 1101 1110 1111 0000
1830 * - In ARM: UDF #60896;
1831 * - In Thumb: UDF #254 followed by a branch-to-self.
1833 let isBarrier = 1, isTerminator = 1 in
1834 def TRAPNaCl : AXI<(outs), (ins), MiscFrm, NoItinerary,
1836 Requires<[IsARM,UseNaClTrap]> {
1837 let Inst = 0xe7fedef0;
1839 let isBarrier = 1, isTerminator = 1 in
1840 def TRAP : AXI<(outs), (ins), MiscFrm, NoItinerary,
1842 Requires<[IsARM,DontUseNaClTrap]> {
1843 let Inst = 0xe7ffdefe;
1846 // Address computation and loads and stores in PIC mode.
1847 let isNotDuplicable = 1 in {
1848 def PICADD : ARMPseudoInst<(outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
1850 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>,
1851 Sched<[WriteALU, ReadALU]>;
1853 let AddedComplexity = 10 in {
1854 def PICLDR : ARMPseudoInst<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
1856 [(set GPR:$dst, (load addrmodepc:$addr))]>;
1858 def PICLDRH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1860 [(set GPR:$Rt, (zextloadi16 addrmodepc:$addr))]>;
1862 def PICLDRB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1864 [(set GPR:$Rt, (zextloadi8 addrmodepc:$addr))]>;
1866 def PICLDRSH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1868 [(set GPR:$Rt, (sextloadi16 addrmodepc:$addr))]>;
1870 def PICLDRSB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1872 [(set GPR:$Rt, (sextloadi8 addrmodepc:$addr))]>;
1874 let AddedComplexity = 10 in {
1875 def PICSTR : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1876 4, IIC_iStore_r, [(store GPR:$src, addrmodepc:$addr)]>;
1878 def PICSTRH : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1879 4, IIC_iStore_bh_r, [(truncstorei16 GPR:$src,
1880 addrmodepc:$addr)]>;
1882 def PICSTRB : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1883 4, IIC_iStore_bh_r, [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
1885 } // isNotDuplicable = 1
1888 // LEApcrel - Load a pc-relative address into a register without offending the
1890 let neverHasSideEffects = 1, isReMaterializable = 1 in
1891 // The 'adr' mnemonic encodes differently if the label is before or after
1892 // the instruction. The {24-21} opcode bits are set by the fixup, as we don't
1893 // know until then which form of the instruction will be used.
1894 def ADR : AI1<{0,?,?,0}, (outs GPR:$Rd), (ins adrlabel:$label),
1895 MiscFrm, IIC_iALUi, "adr", "\t$Rd, $label", []>,
1896 Sched<[WriteALU, ReadALU]> {
1899 let Inst{27-25} = 0b001;
1901 let Inst{23-22} = label{13-12};
1904 let Inst{19-16} = 0b1111;
1905 let Inst{15-12} = Rd;
1906 let Inst{11-0} = label{11-0};
1909 let hasSideEffects = 1 in {
1910 def LEApcrel : ARMPseudoInst<(outs GPR:$Rd), (ins i32imm:$label, pred:$p),
1911 4, IIC_iALUi, []>, Sched<[WriteALU, ReadALU]>;
1913 def LEApcrelJT : ARMPseudoInst<(outs GPR:$Rd),
1914 (ins i32imm:$label, nohash_imm:$id, pred:$p),
1915 4, IIC_iALUi, []>, Sched<[WriteALU, ReadALU]>;
1918 //===----------------------------------------------------------------------===//
1919 // Control Flow Instructions.
1922 let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
1924 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1925 "bx", "\tlr", [(ARMretflag)]>,
1926 Requires<[IsARM, HasV4T]>, Sched<[WriteBr]> {
1927 let Inst{27-0} = 0b0001001011111111111100011110;
1931 def MOVPCLR : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1932 "mov", "\tpc, lr", [(ARMretflag)]>,
1933 Requires<[IsARM, NoV4T]>, Sched<[WriteBr]> {
1934 let Inst{27-0} = 0b0001101000001111000000001110;
1938 // Indirect branches
1939 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
1941 def BX : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
1942 [(brind GPR:$dst)]>,
1943 Requires<[IsARM, HasV4T]>, Sched<[WriteBr]> {
1945 let Inst{31-4} = 0b1110000100101111111111110001;
1946 let Inst{3-0} = dst;
1949 def BX_pred : AI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br,
1950 "bx", "\t$dst", [/* pattern left blank */]>,
1951 Requires<[IsARM, HasV4T]>, Sched<[WriteBr]> {
1953 let Inst{27-4} = 0b000100101111111111110001;
1954 let Inst{3-0} = dst;
1958 // SP is marked as a use to prevent stack-pointer assignments that appear
1959 // immediately before calls from potentially appearing dead.
1961 // FIXME: Do we really need a non-predicated version? If so, it should
1962 // at least be a pseudo instruction expanding to the predicated version
1963 // at MC lowering time.
1964 Defs = [LR], Uses = [SP] in {
1965 def BL : ABXI<0b1011, (outs), (ins bl_target:$func),
1966 IIC_Br, "bl\t$func",
1967 [(ARMcall tglobaladdr:$func)]>,
1968 Requires<[IsARM]>, Sched<[WriteBrL]> {
1969 let Inst{31-28} = 0b1110;
1971 let Inst{23-0} = func;
1972 let DecoderMethod = "DecodeBranchImmInstruction";
1975 def BL_pred : ABI<0b1011, (outs), (ins bl_target:$func),
1976 IIC_Br, "bl", "\t$func",
1977 [(ARMcall_pred tglobaladdr:$func)]>,
1978 Requires<[IsARM]>, Sched<[WriteBrL]> {
1980 let Inst{23-0} = func;
1981 let DecoderMethod = "DecodeBranchImmInstruction";
1985 def BLX : AXI<(outs), (ins GPR:$func), BrMiscFrm,
1986 IIC_Br, "blx\t$func",
1987 [(ARMcall GPR:$func)]>,
1988 Requires<[IsARM, HasV5T]>, Sched<[WriteBrL]> {
1990 let Inst{31-4} = 0b1110000100101111111111110011;
1991 let Inst{3-0} = func;
1994 def BLX_pred : AI<(outs), (ins GPR:$func), BrMiscFrm,
1995 IIC_Br, "blx", "\t$func",
1996 [(ARMcall_pred GPR:$func)]>,
1997 Requires<[IsARM, HasV5T]>, Sched<[WriteBrL]> {
1999 let Inst{27-4} = 0b000100101111111111110011;
2000 let Inst{3-0} = func;
2004 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
2005 def BX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func),
2006 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
2007 Requires<[IsARM, HasV4T]>, Sched<[WriteBr]>;
2010 def BMOVPCRX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func),
2011 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
2012 Requires<[IsARM, NoV4T]>, Sched<[WriteBr]>;
2014 // mov lr, pc; b if callee is marked noreturn to avoid confusing the
2015 // return stack predictor.
2016 def BMOVPCB_CALL : ARMPseudoInst<(outs), (ins bl_target:$func),
2017 8, IIC_Br, [(ARMcall_nolink tglobaladdr:$func)]>,
2018 Requires<[IsARM]>, Sched<[WriteBr]>;
2021 let isBranch = 1, isTerminator = 1 in {
2022 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
2023 // a two-value operand where a dag node expects two operands. :(
2024 def Bcc : ABI<0b1010, (outs), (ins br_target:$target),
2025 IIC_Br, "b", "\t$target",
2026 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]>,
2029 let Inst{23-0} = target;
2030 let DecoderMethod = "DecodeBranchImmInstruction";
2033 let isBarrier = 1 in {
2034 // B is "predicable" since it's just a Bcc with an 'always' condition.
2035 let isPredicable = 1 in
2036 // FIXME: We shouldn't need this pseudo at all. Just using Bcc directly
2037 // should be sufficient.
2038 // FIXME: Is B really a Barrier? That doesn't seem right.
2039 def B : ARMPseudoExpand<(outs), (ins br_target:$target), 4, IIC_Br,
2040 [(br bb:$target)], (Bcc br_target:$target, (ops 14, zero_reg))>,
2043 let isNotDuplicable = 1, isIndirectBranch = 1 in {
2044 def BR_JTr : ARMPseudoInst<(outs),
2045 (ins GPR:$target, i32imm:$jt, i32imm:$id),
2047 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]>,
2049 // FIXME: This shouldn't use the generic "addrmode2," but rather be split
2050 // into i12 and rs suffixed versions.
2051 def BR_JTm : ARMPseudoInst<(outs),
2052 (ins addrmode2:$target, i32imm:$jt, i32imm:$id),
2054 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
2055 imm:$id)]>, Sched<[WriteBrTbl]>;
2056 def BR_JTadd : ARMPseudoInst<(outs),
2057 (ins GPR:$target, GPR:$idx, i32imm:$jt, i32imm:$id),
2059 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
2060 imm:$id)]>, Sched<[WriteBrTbl]>;
2061 } // isNotDuplicable = 1, isIndirectBranch = 1
2067 def BLXi : AXI<(outs), (ins blx_target:$target), BrMiscFrm, NoItinerary,
2068 "blx\t$target", []>,
2069 Requires<[IsARM, HasV5T]>, Sched<[WriteBrL]> {
2070 let Inst{31-25} = 0b1111101;
2072 let Inst{23-0} = target{24-1};
2073 let Inst{24} = target{0};
2076 // Branch and Exchange Jazelle
2077 def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
2078 [/* pattern left blank */]>, Sched<[WriteBr]> {
2080 let Inst{23-20} = 0b0010;
2081 let Inst{19-8} = 0xfff;
2082 let Inst{7-4} = 0b0010;
2083 let Inst{3-0} = func;
2088 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, Uses = [SP] in {
2089 def TCRETURNdi : PseudoInst<(outs), (ins i32imm:$dst), IIC_Br, []>,
2092 def TCRETURNri : PseudoInst<(outs), (ins tcGPR:$dst), IIC_Br, []>,
2095 def TAILJMPd : ARMPseudoExpand<(outs), (ins br_target:$dst),
2097 (Bcc br_target:$dst, (ops 14, zero_reg))>,
2098 Requires<[IsARM]>, Sched<[WriteBr]>;
2100 def TAILJMPr : ARMPseudoExpand<(outs), (ins tcGPR:$dst),
2102 (BX GPR:$dst)>, Sched<[WriteBr]>,
2106 // Secure Monitor Call is a system instruction.
2107 def SMC : ABI<0b0001, (outs), (ins imm0_15:$opt), NoItinerary, "smc", "\t$opt",
2108 []>, Requires<[IsARM, HasTrustZone]> {
2110 let Inst{23-4} = 0b01100000000000000111;
2111 let Inst{3-0} = opt;
2114 // Supervisor Call (Software Interrupt)
2115 let isCall = 1, Uses = [SP] in {
2116 def SVC : ABI<0b1111, (outs), (ins imm24b:$svc), IIC_Br, "svc", "\t$svc", []>,
2119 let Inst{23-0} = svc;
2123 // Store Return State
2124 class SRSI<bit wb, string asm>
2125 : XI<(outs), (ins imm0_31:$mode), AddrModeNone, 4, IndexModeNone, BrFrm,
2126 NoItinerary, asm, "", []> {
2128 let Inst{31-28} = 0b1111;
2129 let Inst{27-25} = 0b100;
2133 let Inst{19-16} = 0b1101; // SP
2134 let Inst{15-5} = 0b00000101000;
2135 let Inst{4-0} = mode;
2138 def SRSDA : SRSI<0, "srsda\tsp, $mode"> {
2139 let Inst{24-23} = 0;
2141 def SRSDA_UPD : SRSI<1, "srsda\tsp!, $mode"> {
2142 let Inst{24-23} = 0;
2144 def SRSDB : SRSI<0, "srsdb\tsp, $mode"> {
2145 let Inst{24-23} = 0b10;
2147 def SRSDB_UPD : SRSI<1, "srsdb\tsp!, $mode"> {
2148 let Inst{24-23} = 0b10;
2150 def SRSIA : SRSI<0, "srsia\tsp, $mode"> {
2151 let Inst{24-23} = 0b01;
2153 def SRSIA_UPD : SRSI<1, "srsia\tsp!, $mode"> {
2154 let Inst{24-23} = 0b01;
2156 def SRSIB : SRSI<0, "srsib\tsp, $mode"> {
2157 let Inst{24-23} = 0b11;
2159 def SRSIB_UPD : SRSI<1, "srsib\tsp!, $mode"> {
2160 let Inst{24-23} = 0b11;
2163 def : ARMInstAlias<"srsda $mode", (SRSDA imm0_31:$mode)>;
2164 def : ARMInstAlias<"srsda $mode!", (SRSDA_UPD imm0_31:$mode)>;
2166 def : ARMInstAlias<"srsdb $mode", (SRSDB imm0_31:$mode)>;
2167 def : ARMInstAlias<"srsdb $mode!", (SRSDB_UPD imm0_31:$mode)>;
2169 def : ARMInstAlias<"srsia $mode", (SRSIA imm0_31:$mode)>;
2170 def : ARMInstAlias<"srsia $mode!", (SRSIA_UPD imm0_31:$mode)>;
2172 def : ARMInstAlias<"srsib $mode", (SRSIB imm0_31:$mode)>;
2173 def : ARMInstAlias<"srsib $mode!", (SRSIB_UPD imm0_31:$mode)>;
2175 // Return From Exception
2176 class RFEI<bit wb, string asm>
2177 : XI<(outs), (ins GPR:$Rn), AddrModeNone, 4, IndexModeNone, BrFrm,
2178 NoItinerary, asm, "", []> {
2180 let Inst{31-28} = 0b1111;
2181 let Inst{27-25} = 0b100;
2185 let Inst{19-16} = Rn;
2186 let Inst{15-0} = 0xa00;
2189 def RFEDA : RFEI<0, "rfeda\t$Rn"> {
2190 let Inst{24-23} = 0;
2192 def RFEDA_UPD : RFEI<1, "rfeda\t$Rn!"> {
2193 let Inst{24-23} = 0;
2195 def RFEDB : RFEI<0, "rfedb\t$Rn"> {
2196 let Inst{24-23} = 0b10;
2198 def RFEDB_UPD : RFEI<1, "rfedb\t$Rn!"> {
2199 let Inst{24-23} = 0b10;
2201 def RFEIA : RFEI<0, "rfeia\t$Rn"> {
2202 let Inst{24-23} = 0b01;
2204 def RFEIA_UPD : RFEI<1, "rfeia\t$Rn!"> {
2205 let Inst{24-23} = 0b01;
2207 def RFEIB : RFEI<0, "rfeib\t$Rn"> {
2208 let Inst{24-23} = 0b11;
2210 def RFEIB_UPD : RFEI<1, "rfeib\t$Rn!"> {
2211 let Inst{24-23} = 0b11;
2214 //===----------------------------------------------------------------------===//
2215 // Load / Store Instructions.
2221 defm LDR : AI_ldr1<0, "ldr", IIC_iLoad_r, IIC_iLoad_si,
2222 UnOpFrag<(load node:$Src)>>;
2223 defm LDRB : AI_ldr1nopc<1, "ldrb", IIC_iLoad_bh_r, IIC_iLoad_bh_si,
2224 UnOpFrag<(zextloadi8 node:$Src)>>;
2225 defm STR : AI_str1<0, "str", IIC_iStore_r, IIC_iStore_si,
2226 BinOpFrag<(store node:$LHS, node:$RHS)>>;
2227 defm STRB : AI_str1nopc<1, "strb", IIC_iStore_bh_r, IIC_iStore_bh_si,
2228 BinOpFrag<(truncstorei8 node:$LHS, node:$RHS)>>;
2230 // Special LDR for loads from non-pc-relative constpools.
2231 let canFoldAsLoad = 1, mayLoad = 1, neverHasSideEffects = 1,
2232 isReMaterializable = 1, isCodeGenOnly = 1 in
2233 def LDRcp : AI2ldst<0b010, 1, 0, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
2234 AddrMode_i12, LdFrm, IIC_iLoad_r, "ldr", "\t$Rt, $addr",
2238 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2239 let Inst{19-16} = 0b1111;
2240 let Inst{15-12} = Rt;
2241 let Inst{11-0} = addr{11-0}; // imm12
2244 // Loads with zero extension
2245 def LDRH : AI3ld<0b1011, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
2246 IIC_iLoad_bh_r, "ldrh", "\t$Rt, $addr",
2247 [(set GPR:$Rt, (zextloadi16 addrmode3:$addr))]>;
2249 // Loads with sign extension
2250 def LDRSH : AI3ld<0b1111, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
2251 IIC_iLoad_bh_r, "ldrsh", "\t$Rt, $addr",
2252 [(set GPR:$Rt, (sextloadi16 addrmode3:$addr))]>;
2254 def LDRSB : AI3ld<0b1101, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
2255 IIC_iLoad_bh_r, "ldrsb", "\t$Rt, $addr",
2256 [(set GPR:$Rt, (sextloadi8 addrmode3:$addr))]>;
2258 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1 in {
2260 def LDRD : AI3ld<0b1101, 0, (outs GPR:$Rd, GPR:$dst2),
2261 (ins addrmode3:$addr), LdMiscFrm,
2262 IIC_iLoad_d_r, "ldrd", "\t$Rd, $dst2, $addr",
2263 []>, Requires<[IsARM, HasV5TE]>;
2266 def LDA : AIldracq<0b00, (outs GPR:$Rt), (ins addr_offset_none:$addr),
2267 NoItinerary, "lda", "\t$Rt, $addr", []>;
2268 def LDAB : AIldracq<0b10, (outs GPR:$Rt), (ins addr_offset_none:$addr),
2269 NoItinerary, "ldab", "\t$Rt, $addr", []>;
2270 def LDAH : AIldracq<0b11, (outs GPR:$Rt), (ins addr_offset_none:$addr),
2271 NoItinerary, "ldah", "\t$Rt, $addr", []>;
2274 multiclass AI2_ldridx<bit isByte, string opc,
2275 InstrItinClass iii, InstrItinClass iir> {
2276 def _PRE_IMM : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb),
2277 (ins addrmode_imm12_pre:$addr), IndexModePre, LdFrm, iii,
2278 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2281 let Inst{23} = addr{12};
2282 let Inst{19-16} = addr{16-13};
2283 let Inst{11-0} = addr{11-0};
2284 let DecoderMethod = "DecodeLDRPreImm";
2287 def _PRE_REG : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb),
2288 (ins ldst_so_reg:$addr), IndexModePre, LdFrm, iir,
2289 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2292 let Inst{23} = addr{12};
2293 let Inst{19-16} = addr{16-13};
2294 let Inst{11-0} = addr{11-0};
2296 let DecoderMethod = "DecodeLDRPreReg";
2299 def _POST_REG : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2300 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2301 IndexModePost, LdFrm, iir,
2302 opc, "\t$Rt, $addr, $offset",
2303 "$addr.base = $Rn_wb", []> {
2309 let Inst{23} = offset{12};
2310 let Inst{19-16} = addr;
2311 let Inst{11-0} = offset{11-0};
2314 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2317 def _POST_IMM : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2318 (ins addr_offset_none:$addr, am2offset_imm:$offset),
2319 IndexModePost, LdFrm, iii,
2320 opc, "\t$Rt, $addr, $offset",
2321 "$addr.base = $Rn_wb", []> {
2327 let Inst{23} = offset{12};
2328 let Inst{19-16} = addr;
2329 let Inst{11-0} = offset{11-0};
2331 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2336 let mayLoad = 1, neverHasSideEffects = 1 in {
2337 // FIXME: for LDR_PRE_REG etc. the itineray should be either IIC_iLoad_ru or
2338 // IIC_iLoad_siu depending on whether it the offset register is shifted.
2339 defm LDR : AI2_ldridx<0, "ldr", IIC_iLoad_iu, IIC_iLoad_ru>;
2340 defm LDRB : AI2_ldridx<1, "ldrb", IIC_iLoad_bh_iu, IIC_iLoad_bh_ru>;
2343 multiclass AI3_ldridx<bits<4> op, string opc, InstrItinClass itin> {
2344 def _PRE : AI3ldstidx<op, 1, 1, (outs GPR:$Rt, GPR:$Rn_wb),
2345 (ins addrmode3_pre:$addr), IndexModePre,
2347 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2349 let Inst{23} = addr{8}; // U bit
2350 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2351 let Inst{19-16} = addr{12-9}; // Rn
2352 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2353 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2354 let DecoderMethod = "DecodeAddrMode3Instruction";
2356 def _POST : AI3ldstidx<op, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2357 (ins addr_offset_none:$addr, am3offset:$offset),
2358 IndexModePost, LdMiscFrm, itin,
2359 opc, "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb",
2363 let Inst{23} = offset{8}; // U bit
2364 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2365 let Inst{19-16} = addr;
2366 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2367 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2368 let DecoderMethod = "DecodeAddrMode3Instruction";
2372 let mayLoad = 1, neverHasSideEffects = 1 in {
2373 defm LDRH : AI3_ldridx<0b1011, "ldrh", IIC_iLoad_bh_ru>;
2374 defm LDRSH : AI3_ldridx<0b1111, "ldrsh", IIC_iLoad_bh_ru>;
2375 defm LDRSB : AI3_ldridx<0b1101, "ldrsb", IIC_iLoad_bh_ru>;
2376 let hasExtraDefRegAllocReq = 1 in {
2377 def LDRD_PRE : AI3ldstidx<0b1101, 0, 1, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
2378 (ins addrmode3_pre:$addr), IndexModePre,
2379 LdMiscFrm, IIC_iLoad_d_ru,
2380 "ldrd", "\t$Rt, $Rt2, $addr!",
2381 "$addr.base = $Rn_wb", []> {
2383 let Inst{23} = addr{8}; // U bit
2384 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2385 let Inst{19-16} = addr{12-9}; // Rn
2386 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2387 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2388 let DecoderMethod = "DecodeAddrMode3Instruction";
2390 def LDRD_POST: AI3ldstidx<0b1101, 0, 0, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
2391 (ins addr_offset_none:$addr, am3offset:$offset),
2392 IndexModePost, LdMiscFrm, IIC_iLoad_d_ru,
2393 "ldrd", "\t$Rt, $Rt2, $addr, $offset",
2394 "$addr.base = $Rn_wb", []> {
2397 let Inst{23} = offset{8}; // U bit
2398 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2399 let Inst{19-16} = addr;
2400 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2401 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2402 let DecoderMethod = "DecodeAddrMode3Instruction";
2404 } // hasExtraDefRegAllocReq = 1
2405 } // mayLoad = 1, neverHasSideEffects = 1
2407 // LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT.
2408 let mayLoad = 1, neverHasSideEffects = 1 in {
2409 def LDRT_POST_REG : AI2ldstidx<1, 0, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2410 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2411 IndexModePost, LdFrm, IIC_iLoad_ru,
2412 "ldrt", "\t$Rt, $addr, $offset",
2413 "$addr.base = $Rn_wb", []> {
2419 let Inst{23} = offset{12};
2420 let Inst{21} = 1; // overwrite
2421 let Inst{19-16} = addr;
2422 let Inst{11-5} = offset{11-5};
2424 let Inst{3-0} = offset{3-0};
2425 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2428 def LDRT_POST_IMM : AI2ldstidx<1, 0, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2429 (ins addr_offset_none:$addr, am2offset_imm:$offset),
2430 IndexModePost, LdFrm, IIC_iLoad_ru,
2431 "ldrt", "\t$Rt, $addr, $offset",
2432 "$addr.base = $Rn_wb", []> {
2438 let Inst{23} = offset{12};
2439 let Inst{21} = 1; // overwrite
2440 let Inst{19-16} = addr;
2441 let Inst{11-0} = offset{11-0};
2442 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2445 def LDRBT_POST_REG : AI2ldstidx<1, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2446 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2447 IndexModePost, LdFrm, IIC_iLoad_bh_ru,
2448 "ldrbt", "\t$Rt, $addr, $offset",
2449 "$addr.base = $Rn_wb", []> {
2455 let Inst{23} = offset{12};
2456 let Inst{21} = 1; // overwrite
2457 let Inst{19-16} = addr;
2458 let Inst{11-5} = offset{11-5};
2460 let Inst{3-0} = offset{3-0};
2461 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2464 def LDRBT_POST_IMM : AI2ldstidx<1, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2465 (ins addr_offset_none:$addr, am2offset_imm:$offset),
2466 IndexModePost, LdFrm, IIC_iLoad_bh_ru,
2467 "ldrbt", "\t$Rt, $addr, $offset",
2468 "$addr.base = $Rn_wb", []> {
2474 let Inst{23} = offset{12};
2475 let Inst{21} = 1; // overwrite
2476 let Inst{19-16} = addr;
2477 let Inst{11-0} = offset{11-0};
2478 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2481 multiclass AI3ldrT<bits<4> op, string opc> {
2482 def i : AI3ldstidxT<op, 1, (outs GPR:$Rt, GPR:$base_wb),
2483 (ins addr_offset_none:$addr, postidx_imm8:$offset),
2484 IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru, opc,
2485 "\t$Rt, $addr, $offset", "$addr.base = $base_wb", []> {
2487 let Inst{23} = offset{8};
2489 let Inst{11-8} = offset{7-4};
2490 let Inst{3-0} = offset{3-0};
2492 def r : AI3ldstidxT<op, 1, (outs GPRnopc:$Rt, GPRnopc:$base_wb),
2493 (ins addr_offset_none:$addr, postidx_reg:$Rm),
2494 IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru, opc,
2495 "\t$Rt, $addr, $Rm", "$addr.base = $base_wb", []> {
2497 let Inst{23} = Rm{4};
2500 let Unpredictable{11-8} = 0b1111;
2501 let Inst{3-0} = Rm{3-0};
2502 let DecoderMethod = "DecodeLDR";
2506 defm LDRSBT : AI3ldrT<0b1101, "ldrsbt">;
2507 defm LDRHT : AI3ldrT<0b1011, "ldrht">;
2508 defm LDRSHT : AI3ldrT<0b1111, "ldrsht">;
2513 // Stores with truncate
2514 def STRH : AI3str<0b1011, (outs), (ins GPR:$Rt, addrmode3:$addr), StMiscFrm,
2515 IIC_iStore_bh_r, "strh", "\t$Rt, $addr",
2516 [(truncstorei16 GPR:$Rt, addrmode3:$addr)]>;
2519 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in
2520 def STRD : AI3str<0b1111, (outs), (ins GPR:$Rt, GPR:$src2, addrmode3:$addr),
2521 StMiscFrm, IIC_iStore_d_r,
2522 "strd", "\t$Rt, $src2, $addr", []>,
2523 Requires<[IsARM, HasV5TE]> {
2528 multiclass AI2_stridx<bit isByte, string opc,
2529 InstrItinClass iii, InstrItinClass iir> {
2530 def _PRE_IMM : AI2ldstidx<0, isByte, 1, (outs GPR:$Rn_wb),
2531 (ins GPR:$Rt, addrmode_imm12_pre:$addr), IndexModePre,
2533 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2536 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2537 let Inst{19-16} = addr{16-13}; // Rn
2538 let Inst{11-0} = addr{11-0}; // imm12
2539 let DecoderMethod = "DecodeSTRPreImm";
2542 def _PRE_REG : AI2ldstidx<0, isByte, 1, (outs GPR:$Rn_wb),
2543 (ins GPR:$Rt, ldst_so_reg:$addr),
2544 IndexModePre, StFrm, iir,
2545 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2548 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2549 let Inst{19-16} = addr{16-13}; // Rn
2550 let Inst{11-0} = addr{11-0};
2551 let Inst{4} = 0; // Inst{4} = 0
2552 let DecoderMethod = "DecodeSTRPreReg";
2554 def _POST_REG : AI2ldstidx<0, isByte, 0, (outs GPR:$Rn_wb),
2555 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_reg:$offset),
2556 IndexModePost, StFrm, iir,
2557 opc, "\t$Rt, $addr, $offset",
2558 "$addr.base = $Rn_wb", []> {
2564 let Inst{23} = offset{12};
2565 let Inst{19-16} = addr;
2566 let Inst{11-0} = offset{11-0};
2569 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2572 def _POST_IMM : AI2ldstidx<0, isByte, 0, (outs GPR:$Rn_wb),
2573 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_imm:$offset),
2574 IndexModePost, StFrm, iii,
2575 opc, "\t$Rt, $addr, $offset",
2576 "$addr.base = $Rn_wb", []> {
2582 let Inst{23} = offset{12};
2583 let Inst{19-16} = addr;
2584 let Inst{11-0} = offset{11-0};
2586 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2590 let mayStore = 1, neverHasSideEffects = 1 in {
2591 // FIXME: for STR_PRE_REG etc. the itineray should be either IIC_iStore_ru or
2592 // IIC_iStore_siu depending on whether it the offset register is shifted.
2593 defm STR : AI2_stridx<0, "str", IIC_iStore_iu, IIC_iStore_ru>;
2594 defm STRB : AI2_stridx<1, "strb", IIC_iStore_bh_iu, IIC_iStore_bh_ru>;
2597 def : ARMPat<(post_store GPR:$Rt, addr_offset_none:$addr,
2598 am2offset_reg:$offset),
2599 (STR_POST_REG GPR:$Rt, addr_offset_none:$addr,
2600 am2offset_reg:$offset)>;
2601 def : ARMPat<(post_store GPR:$Rt, addr_offset_none:$addr,
2602 am2offset_imm:$offset),
2603 (STR_POST_IMM GPR:$Rt, addr_offset_none:$addr,
2604 am2offset_imm:$offset)>;
2605 def : ARMPat<(post_truncsti8 GPR:$Rt, addr_offset_none:$addr,
2606 am2offset_reg:$offset),
2607 (STRB_POST_REG GPR:$Rt, addr_offset_none:$addr,
2608 am2offset_reg:$offset)>;
2609 def : ARMPat<(post_truncsti8 GPR:$Rt, addr_offset_none:$addr,
2610 am2offset_imm:$offset),
2611 (STRB_POST_IMM GPR:$Rt, addr_offset_none:$addr,
2612 am2offset_imm:$offset)>;
2614 // Pseudo-instructions for pattern matching the pre-indexed stores. We can't
2615 // put the patterns on the instruction definitions directly as ISel wants
2616 // the address base and offset to be separate operands, not a single
2617 // complex operand like we represent the instructions themselves. The
2618 // pseudos map between the two.
2619 let usesCustomInserter = 1,
2620 Constraints = "$Rn = $Rn_wb,@earlyclobber $Rn_wb" in {
2621 def STRi_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2622 (ins GPR:$Rt, GPR:$Rn, am2offset_imm:$offset, pred:$p),
2625 (pre_store GPR:$Rt, GPR:$Rn, am2offset_imm:$offset))]>;
2626 def STRr_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2627 (ins GPR:$Rt, GPR:$Rn, am2offset_reg:$offset, pred:$p),
2630 (pre_store GPR:$Rt, GPR:$Rn, am2offset_reg:$offset))]>;
2631 def STRBi_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2632 (ins GPR:$Rt, GPR:$Rn, am2offset_imm:$offset, pred:$p),
2635 (pre_truncsti8 GPR:$Rt, GPR:$Rn, am2offset_imm:$offset))]>;
2636 def STRBr_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2637 (ins GPR:$Rt, GPR:$Rn, am2offset_reg:$offset, pred:$p),
2640 (pre_truncsti8 GPR:$Rt, GPR:$Rn, am2offset_reg:$offset))]>;
2641 def STRH_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2642 (ins GPR:$Rt, GPR:$Rn, am3offset:$offset, pred:$p),
2645 (pre_truncsti16 GPR:$Rt, GPR:$Rn, am3offset:$offset))]>;
2650 def STRH_PRE : AI3ldstidx<0b1011, 0, 1, (outs GPR:$Rn_wb),
2651 (ins GPR:$Rt, addrmode3_pre:$addr), IndexModePre,
2652 StMiscFrm, IIC_iStore_bh_ru,
2653 "strh", "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2655 let Inst{23} = addr{8}; // U bit
2656 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2657 let Inst{19-16} = addr{12-9}; // Rn
2658 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2659 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2660 let DecoderMethod = "DecodeAddrMode3Instruction";
2663 def STRH_POST : AI3ldstidx<0b1011, 0, 0, (outs GPR:$Rn_wb),
2664 (ins GPR:$Rt, addr_offset_none:$addr, am3offset:$offset),
2665 IndexModePost, StMiscFrm, IIC_iStore_bh_ru,
2666 "strh", "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb",
2667 [(set GPR:$Rn_wb, (post_truncsti16 GPR:$Rt,
2668 addr_offset_none:$addr,
2669 am3offset:$offset))]> {
2672 let Inst{23} = offset{8}; // U bit
2673 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2674 let Inst{19-16} = addr;
2675 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2676 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2677 let DecoderMethod = "DecodeAddrMode3Instruction";
2680 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in {
2681 def STRD_PRE : AI3ldstidx<0b1111, 0, 1, (outs GPR:$Rn_wb),
2682 (ins GPR:$Rt, GPR:$Rt2, addrmode3_pre:$addr),
2683 IndexModePre, StMiscFrm, IIC_iStore_d_ru,
2684 "strd", "\t$Rt, $Rt2, $addr!",
2685 "$addr.base = $Rn_wb", []> {
2687 let Inst{23} = addr{8}; // U bit
2688 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2689 let Inst{19-16} = addr{12-9}; // Rn
2690 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2691 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2692 let DecoderMethod = "DecodeAddrMode3Instruction";
2695 def STRD_POST: AI3ldstidx<0b1111, 0, 0, (outs GPR:$Rn_wb),
2696 (ins GPR:$Rt, GPR:$Rt2, addr_offset_none:$addr,
2698 IndexModePost, StMiscFrm, IIC_iStore_d_ru,
2699 "strd", "\t$Rt, $Rt2, $addr, $offset",
2700 "$addr.base = $Rn_wb", []> {
2703 let Inst{23} = offset{8}; // U bit
2704 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2705 let Inst{19-16} = addr;
2706 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2707 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2708 let DecoderMethod = "DecodeAddrMode3Instruction";
2710 } // mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1
2712 // STRT, STRBT, and STRHT
2714 def STRBT_POST_REG : AI2ldstidx<0, 1, 0, (outs GPR:$Rn_wb),
2715 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_reg:$offset),
2716 IndexModePost, StFrm, IIC_iStore_bh_ru,
2717 "strbt", "\t$Rt, $addr, $offset",
2718 "$addr.base = $Rn_wb", []> {
2724 let Inst{23} = offset{12};
2725 let Inst{21} = 1; // overwrite
2726 let Inst{19-16} = addr;
2727 let Inst{11-5} = offset{11-5};
2729 let Inst{3-0} = offset{3-0};
2730 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2733 def STRBT_POST_IMM : AI2ldstidx<0, 1, 0, (outs GPR:$Rn_wb),
2734 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_imm:$offset),
2735 IndexModePost, StFrm, IIC_iStore_bh_ru,
2736 "strbt", "\t$Rt, $addr, $offset",
2737 "$addr.base = $Rn_wb", []> {
2743 let Inst{23} = offset{12};
2744 let Inst{21} = 1; // overwrite
2745 let Inst{19-16} = addr;
2746 let Inst{11-0} = offset{11-0};
2747 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2750 let mayStore = 1, neverHasSideEffects = 1 in {
2751 def STRT_POST_REG : AI2ldstidx<0, 0, 0, (outs GPR:$Rn_wb),
2752 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_reg:$offset),
2753 IndexModePost, StFrm, IIC_iStore_ru,
2754 "strt", "\t$Rt, $addr, $offset",
2755 "$addr.base = $Rn_wb", []> {
2761 let Inst{23} = offset{12};
2762 let Inst{21} = 1; // overwrite
2763 let Inst{19-16} = addr;
2764 let Inst{11-5} = offset{11-5};
2766 let Inst{3-0} = offset{3-0};
2767 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2770 def STRT_POST_IMM : AI2ldstidx<0, 0, 0, (outs GPR:$Rn_wb),
2771 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_imm:$offset),
2772 IndexModePost, StFrm, IIC_iStore_ru,
2773 "strt", "\t$Rt, $addr, $offset",
2774 "$addr.base = $Rn_wb", []> {
2780 let Inst{23} = offset{12};
2781 let Inst{21} = 1; // overwrite
2782 let Inst{19-16} = addr;
2783 let Inst{11-0} = offset{11-0};
2784 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2789 multiclass AI3strT<bits<4> op, string opc> {
2790 def i : AI3ldstidxT<op, 0, (outs GPR:$base_wb),
2791 (ins GPR:$Rt, addr_offset_none:$addr, postidx_imm8:$offset),
2792 IndexModePost, StMiscFrm, IIC_iStore_bh_ru, opc,
2793 "\t$Rt, $addr, $offset", "$addr.base = $base_wb", []> {
2795 let Inst{23} = offset{8};
2797 let Inst{11-8} = offset{7-4};
2798 let Inst{3-0} = offset{3-0};
2800 def r : AI3ldstidxT<op, 0, (outs GPR:$base_wb),
2801 (ins GPR:$Rt, addr_offset_none:$addr, postidx_reg:$Rm),
2802 IndexModePost, StMiscFrm, IIC_iStore_bh_ru, opc,
2803 "\t$Rt, $addr, $Rm", "$addr.base = $base_wb", []> {
2805 let Inst{23} = Rm{4};
2808 let Inst{3-0} = Rm{3-0};
2813 defm STRHT : AI3strT<0b1011, "strht">;
2815 def STL : AIstrrel<0b00, (outs), (ins GPR:$Rt, addr_offset_none:$addr),
2816 NoItinerary, "stl", "\t$Rt, $addr", []>;
2817 def STLB : AIstrrel<0b10, (outs), (ins GPR:$Rt, addr_offset_none:$addr),
2818 NoItinerary, "stlb", "\t$Rt, $addr", []>;
2819 def STLH : AIstrrel<0b11, (outs), (ins GPR:$Rt, addr_offset_none:$addr),
2820 NoItinerary, "stlh", "\t$Rt, $addr", []>;
2822 //===----------------------------------------------------------------------===//
2823 // Load / store multiple Instructions.
2826 multiclass arm_ldst_mult<string asm, string sfx, bit L_bit, bit P_bit, Format f,
2827 InstrItinClass itin, InstrItinClass itin_upd> {
2828 // IA is the default, so no need for an explicit suffix on the
2829 // mnemonic here. Without it is the canonical spelling.
2831 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2832 IndexModeNone, f, itin,
2833 !strconcat(asm, "${p}\t$Rn, $regs", sfx), "", []> {
2834 let Inst{24-23} = 0b01; // Increment After
2835 let Inst{22} = P_bit;
2836 let Inst{21} = 0; // No writeback
2837 let Inst{20} = L_bit;
2840 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2841 IndexModeUpd, f, itin_upd,
2842 !strconcat(asm, "${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
2843 let Inst{24-23} = 0b01; // Increment After
2844 let Inst{22} = P_bit;
2845 let Inst{21} = 1; // Writeback
2846 let Inst{20} = L_bit;
2848 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
2851 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2852 IndexModeNone, f, itin,
2853 !strconcat(asm, "da${p}\t$Rn, $regs", sfx), "", []> {
2854 let Inst{24-23} = 0b00; // Decrement After
2855 let Inst{22} = P_bit;
2856 let Inst{21} = 0; // No writeback
2857 let Inst{20} = L_bit;
2860 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2861 IndexModeUpd, f, itin_upd,
2862 !strconcat(asm, "da${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
2863 let Inst{24-23} = 0b00; // Decrement After
2864 let Inst{22} = P_bit;
2865 let Inst{21} = 1; // Writeback
2866 let Inst{20} = L_bit;
2868 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
2871 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2872 IndexModeNone, f, itin,
2873 !strconcat(asm, "db${p}\t$Rn, $regs", sfx), "", []> {
2874 let Inst{24-23} = 0b10; // Decrement Before
2875 let Inst{22} = P_bit;
2876 let Inst{21} = 0; // No writeback
2877 let Inst{20} = L_bit;
2880 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2881 IndexModeUpd, f, itin_upd,
2882 !strconcat(asm, "db${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
2883 let Inst{24-23} = 0b10; // Decrement Before
2884 let Inst{22} = P_bit;
2885 let Inst{21} = 1; // Writeback
2886 let Inst{20} = L_bit;
2888 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
2891 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2892 IndexModeNone, f, itin,
2893 !strconcat(asm, "ib${p}\t$Rn, $regs", sfx), "", []> {
2894 let Inst{24-23} = 0b11; // Increment Before
2895 let Inst{22} = P_bit;
2896 let Inst{21} = 0; // No writeback
2897 let Inst{20} = L_bit;
2900 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2901 IndexModeUpd, f, itin_upd,
2902 !strconcat(asm, "ib${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
2903 let Inst{24-23} = 0b11; // Increment Before
2904 let Inst{22} = P_bit;
2905 let Inst{21} = 1; // Writeback
2906 let Inst{20} = L_bit;
2908 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
2912 let neverHasSideEffects = 1 in {
2914 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
2915 defm LDM : arm_ldst_mult<"ldm", "", 1, 0, LdStMulFrm, IIC_iLoad_m,
2918 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
2919 defm STM : arm_ldst_mult<"stm", "", 0, 0, LdStMulFrm, IIC_iStore_m,
2922 } // neverHasSideEffects
2924 // FIXME: remove when we have a way to marking a MI with these properties.
2925 // FIXME: Should pc be an implicit operand like PICADD, etc?
2926 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
2927 hasExtraDefRegAllocReq = 1, isCodeGenOnly = 1 in
2928 def LDMIA_RET : ARMPseudoExpand<(outs GPR:$wb), (ins GPR:$Rn, pred:$p,
2929 reglist:$regs, variable_ops),
2930 4, IIC_iLoad_mBr, [],
2931 (LDMIA_UPD GPR:$wb, GPR:$Rn, pred:$p, reglist:$regs)>,
2932 RegConstraint<"$Rn = $wb">;
2934 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
2935 defm sysLDM : arm_ldst_mult<"ldm", " ^", 1, 1, LdStMulFrm, IIC_iLoad_m,
2938 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
2939 defm sysSTM : arm_ldst_mult<"stm", " ^", 0, 1, LdStMulFrm, IIC_iStore_m,
2944 //===----------------------------------------------------------------------===//
2945 // Move Instructions.
2948 let neverHasSideEffects = 1 in
2949 def MOVr : AsI1<0b1101, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMOVr,
2950 "mov", "\t$Rd, $Rm", []>, UnaryDP, Sched<[WriteALU]> {
2954 let Inst{19-16} = 0b0000;
2955 let Inst{11-4} = 0b00000000;
2958 let Inst{15-12} = Rd;
2961 // A version for the smaller set of tail call registers.
2962 let neverHasSideEffects = 1 in
2963 def MOVr_TC : AsI1<0b1101, (outs tcGPR:$Rd), (ins tcGPR:$Rm), DPFrm,
2964 IIC_iMOVr, "mov", "\t$Rd, $Rm", []>, UnaryDP, Sched<[WriteALU]> {
2968 let Inst{11-4} = 0b00000000;
2971 let Inst{15-12} = Rd;
2974 def MOVsr : AsI1<0b1101, (outs GPRnopc:$Rd), (ins shift_so_reg_reg:$src),
2975 DPSoRegRegFrm, IIC_iMOVsr,
2976 "mov", "\t$Rd, $src",
2977 [(set GPRnopc:$Rd, shift_so_reg_reg:$src)]>, UnaryDP,
2981 let Inst{15-12} = Rd;
2982 let Inst{19-16} = 0b0000;
2983 let Inst{11-8} = src{11-8};
2985 let Inst{6-5} = src{6-5};
2987 let Inst{3-0} = src{3-0};
2991 def MOVsi : AsI1<0b1101, (outs GPR:$Rd), (ins shift_so_reg_imm:$src),
2992 DPSoRegImmFrm, IIC_iMOVsr,
2993 "mov", "\t$Rd, $src", [(set GPR:$Rd, shift_so_reg_imm:$src)]>,
2994 UnaryDP, Sched<[WriteALU]> {
2997 let Inst{15-12} = Rd;
2998 let Inst{19-16} = 0b0000;
2999 let Inst{11-5} = src{11-5};
3001 let Inst{3-0} = src{3-0};
3005 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
3006 def MOVi : AsI1<0b1101, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm, IIC_iMOVi,
3007 "mov", "\t$Rd, $imm", [(set GPR:$Rd, so_imm:$imm)]>, UnaryDP,
3012 let Inst{15-12} = Rd;
3013 let Inst{19-16} = 0b0000;
3014 let Inst{11-0} = imm;
3017 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
3018 def MOVi16 : AI1<0b1000, (outs GPR:$Rd), (ins imm0_65535_expr:$imm),
3020 "movw", "\t$Rd, $imm",
3021 [(set GPR:$Rd, imm0_65535:$imm)]>,
3022 Requires<[IsARM, HasV6T2]>, UnaryDP, Sched<[WriteALU]> {
3025 let Inst{15-12} = Rd;
3026 let Inst{11-0} = imm{11-0};
3027 let Inst{19-16} = imm{15-12};
3030 let DecoderMethod = "DecodeArmMOVTWInstruction";
3033 def : InstAlias<"mov${p} $Rd, $imm",
3034 (MOVi16 GPR:$Rd, imm0_65535_expr:$imm, pred:$p)>,
3037 def MOVi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
3038 (ins i32imm:$addr, pclabel:$id), IIC_iMOVi, []>,
3041 let Constraints = "$src = $Rd" in {
3042 def MOVTi16 : AI1<0b1010, (outs GPRnopc:$Rd),
3043 (ins GPR:$src, imm0_65535_expr:$imm),
3045 "movt", "\t$Rd, $imm",
3047 (or (and GPR:$src, 0xffff),
3048 lo16AllZero:$imm))]>, UnaryDP,
3049 Requires<[IsARM, HasV6T2]>, Sched<[WriteALU]> {
3052 let Inst{15-12} = Rd;
3053 let Inst{11-0} = imm{11-0};
3054 let Inst{19-16} = imm{15-12};
3057 let DecoderMethod = "DecodeArmMOVTWInstruction";
3060 def MOVTi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
3061 (ins GPR:$src, i32imm:$addr, pclabel:$id), IIC_iMOVi, []>,
3066 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
3067 Requires<[IsARM, HasV6T2]>;
3069 let Uses = [CPSR] in
3070 def RRX: PseudoInst<(outs GPR:$Rd), (ins GPR:$Rm), IIC_iMOVsi,
3071 [(set GPR:$Rd, (ARMrrx GPR:$Rm))]>, UnaryDP,
3072 Requires<[IsARM]>, Sched<[WriteALU]>;
3074 // These aren't really mov instructions, but we have to define them this way
3075 // due to flag operands.
3077 let Defs = [CPSR] in {
3078 def MOVsrl_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
3079 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP,
3080 Sched<[WriteALU]>, Requires<[IsARM]>;
3081 def MOVsra_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
3082 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP,
3083 Sched<[WriteALU]>, Requires<[IsARM]>;
3086 //===----------------------------------------------------------------------===//
3087 // Extend Instructions.
3092 def SXTB : AI_ext_rrot<0b01101010,
3093 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
3094 def SXTH : AI_ext_rrot<0b01101011,
3095 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
3097 def SXTAB : AI_exta_rrot<0b01101010,
3098 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
3099 def SXTAH : AI_exta_rrot<0b01101011,
3100 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
3102 def SXTB16 : AI_ext_rrot_np<0b01101000, "sxtb16">;
3104 def SXTAB16 : AI_exta_rrot_np<0b01101000, "sxtab16">;
3108 let AddedComplexity = 16 in {
3109 def UXTB : AI_ext_rrot<0b01101110,
3110 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
3111 def UXTH : AI_ext_rrot<0b01101111,
3112 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
3113 def UXTB16 : AI_ext_rrot<0b01101100,
3114 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
3116 // FIXME: This pattern incorrectly assumes the shl operator is a rotate.
3117 // The transformation should probably be done as a combiner action
3118 // instead so we can include a check for masking back in the upper
3119 // eight bits of the source into the lower eight bits of the result.
3120 //def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
3121 // (UXTB16r_rot GPR:$Src, 3)>;
3122 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
3123 (UXTB16 GPR:$Src, 1)>;
3125 def UXTAB : AI_exta_rrot<0b01101110, "uxtab",
3126 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
3127 def UXTAH : AI_exta_rrot<0b01101111, "uxtah",
3128 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
3131 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
3132 def UXTAB16 : AI_exta_rrot_np<0b01101100, "uxtab16">;
3135 def SBFX : I<(outs GPRnopc:$Rd),
3136 (ins GPRnopc:$Rn, imm0_31:$lsb, imm1_32:$width),
3137 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3138 "sbfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
3139 Requires<[IsARM, HasV6T2]> {
3144 let Inst{27-21} = 0b0111101;
3145 let Inst{6-4} = 0b101;
3146 let Inst{20-16} = width;
3147 let Inst{15-12} = Rd;
3148 let Inst{11-7} = lsb;
3152 def UBFX : I<(outs GPR:$Rd),
3153 (ins GPR:$Rn, imm0_31:$lsb, imm1_32:$width),
3154 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3155 "ubfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
3156 Requires<[IsARM, HasV6T2]> {
3161 let Inst{27-21} = 0b0111111;
3162 let Inst{6-4} = 0b101;
3163 let Inst{20-16} = width;
3164 let Inst{15-12} = Rd;
3165 let Inst{11-7} = lsb;
3169 //===----------------------------------------------------------------------===//
3170 // Arithmetic Instructions.
3173 defm ADD : AsI1_bin_irs<0b0100, "add",
3174 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3175 BinOpFrag<(add node:$LHS, node:$RHS)>, 1>;
3176 defm SUB : AsI1_bin_irs<0b0010, "sub",
3177 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3178 BinOpFrag<(sub node:$LHS, node:$RHS)>>;
3180 // ADD and SUB with 's' bit set.
3182 // Currently, ADDS/SUBS are pseudo opcodes that exist only in the
3183 // selection DAG. They are "lowered" to real ADD/SUB opcodes by
3184 // AdjustInstrPostInstrSelection where we determine whether or not to
3185 // set the "s" bit based on CPSR liveness.
3187 // FIXME: Eliminate ADDS/SUBS pseudo opcodes after adding tablegen
3188 // support for an optional CPSR definition that corresponds to the DAG
3189 // node's second value. We can then eliminate the implicit def of CPSR.
3190 defm ADDS : AsI1_bin_s_irs<IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3191 BinOpFrag<(ARMaddc node:$LHS, node:$RHS)>, 1>;
3192 defm SUBS : AsI1_bin_s_irs<IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3193 BinOpFrag<(ARMsubc node:$LHS, node:$RHS)>>;
3195 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
3196 BinOpWithFlagFrag<(ARMadde node:$LHS, node:$RHS, node:$FLAG)>, 1>;
3197 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
3198 BinOpWithFlagFrag<(ARMsube node:$LHS, node:$RHS, node:$FLAG)>>;
3200 defm RSB : AsI1_rbin_irs<0b0011, "rsb",
3201 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3202 BinOpFrag<(sub node:$LHS, node:$RHS)>>;
3204 // FIXME: Eliminate them if we can write def : Pat patterns which defines
3205 // CPSR and the implicit def of CPSR is not needed.
3206 defm RSBS : AsI1_rbin_s_is<IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3207 BinOpFrag<(ARMsubc node:$LHS, node:$RHS)>>;
3209 defm RSC : AI1_rsc_irs<0b0111, "rsc",
3210 BinOpWithFlagFrag<(ARMsube node:$LHS, node:$RHS, node:$FLAG)>>;
3212 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
3213 // The assume-no-carry-in form uses the negation of the input since add/sub
3214 // assume opposite meanings of the carry flag (i.e., carry == !borrow).
3215 // See the definition of AddWithCarry() in the ARM ARM A2.2.1 for the gory
3217 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
3218 (SUBri GPR:$src, so_imm_neg:$imm)>;
3219 def : ARMPat<(ARMaddc GPR:$src, so_imm_neg:$imm),
3220 (SUBSri GPR:$src, so_imm_neg:$imm)>;
3222 def : ARMPat<(add GPR:$src, imm0_65535_neg:$imm),
3223 (SUBrr GPR:$src, (MOVi16 (imm_neg_XFORM imm:$imm)))>,
3224 Requires<[IsARM, HasV6T2]>;
3225 def : ARMPat<(ARMaddc GPR:$src, imm0_65535_neg:$imm),
3226 (SUBSrr GPR:$src, (MOVi16 (imm_neg_XFORM imm:$imm)))>,
3227 Requires<[IsARM, HasV6T2]>;
3229 // The with-carry-in form matches bitwise not instead of the negation.
3230 // Effectively, the inverse interpretation of the carry flag already accounts
3231 // for part of the negation.
3232 def : ARMPat<(ARMadde GPR:$src, so_imm_not:$imm, CPSR),
3233 (SBCri GPR:$src, so_imm_not:$imm)>;
3234 def : ARMPat<(ARMadde GPR:$src, imm0_65535_neg:$imm, CPSR),
3235 (SBCrr GPR:$src, (MOVi16 (imm_not_XFORM imm:$imm)))>;
3237 // Note: These are implemented in C++ code, because they have to generate
3238 // ADD/SUBrs instructions, which use a complex pattern that a xform function
3240 // (mul X, 2^n+1) -> (add (X << n), X)
3241 // (mul X, 2^n-1) -> (rsb X, (X << n))
3243 // ARM Arithmetic Instruction
3244 // GPR:$dst = GPR:$a op GPR:$b
3245 class AAI<bits<8> op27_20, bits<8> op11_4, string opc,
3246 list<dag> pattern = [],
3247 dag iops = (ins GPRnopc:$Rn, GPRnopc:$Rm),
3248 string asm = "\t$Rd, $Rn, $Rm">
3249 : AI<(outs GPRnopc:$Rd), iops, DPFrm, IIC_iALUr, opc, asm, pattern>,
3250 Sched<[WriteALU, ReadALU, ReadALU]> {
3254 let Inst{27-20} = op27_20;
3255 let Inst{11-4} = op11_4;
3256 let Inst{19-16} = Rn;
3257 let Inst{15-12} = Rd;
3260 let Unpredictable{11-8} = 0b1111;
3263 // Saturating add/subtract
3265 let DecoderMethod = "DecodeQADDInstruction" in
3266 def QADD : AAI<0b00010000, 0b00000101, "qadd",
3267 [(set GPRnopc:$Rd, (int_arm_qadd GPRnopc:$Rm, GPRnopc:$Rn))],
3268 (ins GPRnopc:$Rm, GPRnopc:$Rn), "\t$Rd, $Rm, $Rn">;
3270 def QSUB : AAI<0b00010010, 0b00000101, "qsub",
3271 [(set GPRnopc:$Rd, (int_arm_qsub GPRnopc:$Rm, GPRnopc:$Rn))],
3272 (ins GPRnopc:$Rm, GPRnopc:$Rn), "\t$Rd, $Rm, $Rn">;
3273 def QDADD : AAI<0b00010100, 0b00000101, "qdadd", [],
3274 (ins GPRnopc:$Rm, GPRnopc:$Rn),
3276 def QDSUB : AAI<0b00010110, 0b00000101, "qdsub", [],
3277 (ins GPRnopc:$Rm, GPRnopc:$Rn),
3280 def QADD16 : AAI<0b01100010, 0b11110001, "qadd16">;
3281 def QADD8 : AAI<0b01100010, 0b11111001, "qadd8">;
3282 def QASX : AAI<0b01100010, 0b11110011, "qasx">;
3283 def QSAX : AAI<0b01100010, 0b11110101, "qsax">;
3284 def QSUB16 : AAI<0b01100010, 0b11110111, "qsub16">;
3285 def QSUB8 : AAI<0b01100010, 0b11111111, "qsub8">;
3286 def UQADD16 : AAI<0b01100110, 0b11110001, "uqadd16">;
3287 def UQADD8 : AAI<0b01100110, 0b11111001, "uqadd8">;
3288 def UQASX : AAI<0b01100110, 0b11110011, "uqasx">;
3289 def UQSAX : AAI<0b01100110, 0b11110101, "uqsax">;
3290 def UQSUB16 : AAI<0b01100110, 0b11110111, "uqsub16">;
3291 def UQSUB8 : AAI<0b01100110, 0b11111111, "uqsub8">;
3293 // Signed/Unsigned add/subtract
3295 def SASX : AAI<0b01100001, 0b11110011, "sasx">;
3296 def SADD16 : AAI<0b01100001, 0b11110001, "sadd16">;
3297 def SADD8 : AAI<0b01100001, 0b11111001, "sadd8">;
3298 def SSAX : AAI<0b01100001, 0b11110101, "ssax">;
3299 def SSUB16 : AAI<0b01100001, 0b11110111, "ssub16">;
3300 def SSUB8 : AAI<0b01100001, 0b11111111, "ssub8">;
3301 def UASX : AAI<0b01100101, 0b11110011, "uasx">;
3302 def UADD16 : AAI<0b01100101, 0b11110001, "uadd16">;
3303 def UADD8 : AAI<0b01100101, 0b11111001, "uadd8">;
3304 def USAX : AAI<0b01100101, 0b11110101, "usax">;
3305 def USUB16 : AAI<0b01100101, 0b11110111, "usub16">;
3306 def USUB8 : AAI<0b01100101, 0b11111111, "usub8">;
3308 // Signed/Unsigned halving add/subtract
3310 def SHASX : AAI<0b01100011, 0b11110011, "shasx">;
3311 def SHADD16 : AAI<0b01100011, 0b11110001, "shadd16">;
3312 def SHADD8 : AAI<0b01100011, 0b11111001, "shadd8">;
3313 def SHSAX : AAI<0b01100011, 0b11110101, "shsax">;
3314 def SHSUB16 : AAI<0b01100011, 0b11110111, "shsub16">;
3315 def SHSUB8 : AAI<0b01100011, 0b11111111, "shsub8">;
3316 def UHASX : AAI<0b01100111, 0b11110011, "uhasx">;
3317 def UHADD16 : AAI<0b01100111, 0b11110001, "uhadd16">;
3318 def UHADD8 : AAI<0b01100111, 0b11111001, "uhadd8">;
3319 def UHSAX : AAI<0b01100111, 0b11110101, "uhsax">;
3320 def UHSUB16 : AAI<0b01100111, 0b11110111, "uhsub16">;
3321 def UHSUB8 : AAI<0b01100111, 0b11111111, "uhsub8">;
3323 // Unsigned Sum of Absolute Differences [and Accumulate].
3325 def USAD8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3326 MulFrm /* for convenience */, NoItinerary, "usad8",
3327 "\t$Rd, $Rn, $Rm", []>,
3328 Requires<[IsARM, HasV6]>, Sched<[WriteALU, ReadALU, ReadALU]> {
3332 let Inst{27-20} = 0b01111000;
3333 let Inst{15-12} = 0b1111;
3334 let Inst{7-4} = 0b0001;
3335 let Inst{19-16} = Rd;
3336 let Inst{11-8} = Rm;
3339 def USADA8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3340 MulFrm /* for convenience */, NoItinerary, "usada8",
3341 "\t$Rd, $Rn, $Rm, $Ra", []>,
3342 Requires<[IsARM, HasV6]>, Sched<[WriteALU, ReadALU, ReadALU]>{
3347 let Inst{27-20} = 0b01111000;
3348 let Inst{7-4} = 0b0001;
3349 let Inst{19-16} = Rd;
3350 let Inst{15-12} = Ra;
3351 let Inst{11-8} = Rm;
3355 // Signed/Unsigned saturate
3357 def SSAT : AI<(outs GPRnopc:$Rd),
3358 (ins imm1_32:$sat_imm, GPRnopc:$Rn, shift_imm:$sh),
3359 SatFrm, NoItinerary, "ssat", "\t$Rd, $sat_imm, $Rn$sh", []> {
3364 let Inst{27-21} = 0b0110101;
3365 let Inst{5-4} = 0b01;
3366 let Inst{20-16} = sat_imm;
3367 let Inst{15-12} = Rd;
3368 let Inst{11-7} = sh{4-0};
3369 let Inst{6} = sh{5};
3373 def SSAT16 : AI<(outs GPRnopc:$Rd),
3374 (ins imm1_16:$sat_imm, GPRnopc:$Rn), SatFrm,
3375 NoItinerary, "ssat16", "\t$Rd, $sat_imm, $Rn", []> {
3379 let Inst{27-20} = 0b01101010;
3380 let Inst{11-4} = 0b11110011;
3381 let Inst{15-12} = Rd;
3382 let Inst{19-16} = sat_imm;
3386 def USAT : AI<(outs GPRnopc:$Rd),
3387 (ins imm0_31:$sat_imm, GPRnopc:$Rn, shift_imm:$sh),
3388 SatFrm, NoItinerary, "usat", "\t$Rd, $sat_imm, $Rn$sh", []> {
3393 let Inst{27-21} = 0b0110111;
3394 let Inst{5-4} = 0b01;
3395 let Inst{15-12} = Rd;
3396 let Inst{11-7} = sh{4-0};
3397 let Inst{6} = sh{5};
3398 let Inst{20-16} = sat_imm;
3402 def USAT16 : AI<(outs GPRnopc:$Rd),
3403 (ins imm0_15:$sat_imm, GPRnopc:$Rn), SatFrm,
3404 NoItinerary, "usat16", "\t$Rd, $sat_imm, $Rn", []> {
3408 let Inst{27-20} = 0b01101110;
3409 let Inst{11-4} = 0b11110011;
3410 let Inst{15-12} = Rd;
3411 let Inst{19-16} = sat_imm;
3415 def : ARMV6Pat<(int_arm_ssat GPRnopc:$a, imm:$pos),
3416 (SSAT imm:$pos, GPRnopc:$a, 0)>;
3417 def : ARMV6Pat<(int_arm_usat GPRnopc:$a, imm:$pos),
3418 (USAT imm:$pos, GPRnopc:$a, 0)>;
3420 //===----------------------------------------------------------------------===//
3421 // Bitwise Instructions.
3424 defm AND : AsI1_bin_irs<0b0000, "and",
3425 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3426 BinOpFrag<(and node:$LHS, node:$RHS)>, 1>;
3427 defm ORR : AsI1_bin_irs<0b1100, "orr",
3428 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3429 BinOpFrag<(or node:$LHS, node:$RHS)>, 1>;
3430 defm EOR : AsI1_bin_irs<0b0001, "eor",
3431 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3432 BinOpFrag<(xor node:$LHS, node:$RHS)>, 1>;
3433 defm BIC : AsI1_bin_irs<0b1110, "bic",
3434 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3435 BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
3437 // FIXME: bf_inv_mask_imm should be two operands, the lsb and the msb, just
3438 // like in the actual instruction encoding. The complexity of mapping the mask
3439 // to the lsb/msb pair should be handled by ISel, not encapsulated in the
3440 // instruction description.
3441 def BFC : I<(outs GPR:$Rd), (ins GPR:$src, bf_inv_mask_imm:$imm),
3442 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3443 "bfc", "\t$Rd, $imm", "$src = $Rd",
3444 [(set GPR:$Rd, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
3445 Requires<[IsARM, HasV6T2]> {
3448 let Inst{27-21} = 0b0111110;
3449 let Inst{6-0} = 0b0011111;
3450 let Inst{15-12} = Rd;
3451 let Inst{11-7} = imm{4-0}; // lsb
3452 let Inst{20-16} = imm{9-5}; // msb
3455 // A8.6.18 BFI - Bitfield insert (Encoding A1)
3456 def BFI:I<(outs GPRnopc:$Rd), (ins GPRnopc:$src, GPR:$Rn, bf_inv_mask_imm:$imm),
3457 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3458 "bfi", "\t$Rd, $Rn, $imm", "$src = $Rd",
3459 [(set GPRnopc:$Rd, (ARMbfi GPRnopc:$src, GPR:$Rn,
3460 bf_inv_mask_imm:$imm))]>,
3461 Requires<[IsARM, HasV6T2]> {
3465 let Inst{27-21} = 0b0111110;
3466 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
3467 let Inst{15-12} = Rd;
3468 let Inst{11-7} = imm{4-0}; // lsb
3469 let Inst{20-16} = imm{9-5}; // width
3473 def MVNr : AsI1<0b1111, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMVNr,
3474 "mvn", "\t$Rd, $Rm",
3475 [(set GPR:$Rd, (not GPR:$Rm))]>, UnaryDP, Sched<[WriteALU]> {
3479 let Inst{19-16} = 0b0000;
3480 let Inst{11-4} = 0b00000000;
3481 let Inst{15-12} = Rd;
3484 def MVNsi : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg_imm:$shift),
3485 DPSoRegImmFrm, IIC_iMVNsr, "mvn", "\t$Rd, $shift",
3486 [(set GPR:$Rd, (not so_reg_imm:$shift))]>, UnaryDP,
3491 let Inst{19-16} = 0b0000;
3492 let Inst{15-12} = Rd;
3493 let Inst{11-5} = shift{11-5};
3495 let Inst{3-0} = shift{3-0};
3497 def MVNsr : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg_reg:$shift),
3498 DPSoRegRegFrm, IIC_iMVNsr, "mvn", "\t$Rd, $shift",
3499 [(set GPR:$Rd, (not so_reg_reg:$shift))]>, UnaryDP,
3504 let Inst{19-16} = 0b0000;
3505 let Inst{15-12} = Rd;
3506 let Inst{11-8} = shift{11-8};
3508 let Inst{6-5} = shift{6-5};
3510 let Inst{3-0} = shift{3-0};
3512 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
3513 def MVNi : AsI1<0b1111, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm,
3514 IIC_iMVNi, "mvn", "\t$Rd, $imm",
3515 [(set GPR:$Rd, so_imm_not:$imm)]>,UnaryDP, Sched<[WriteALU]> {
3519 let Inst{19-16} = 0b0000;
3520 let Inst{15-12} = Rd;
3521 let Inst{11-0} = imm;
3524 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
3525 (BICri GPR:$src, so_imm_not:$imm)>;
3527 //===----------------------------------------------------------------------===//
3528 // Multiply Instructions.
3530 class AsMul1I32<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
3531 string opc, string asm, list<dag> pattern>
3532 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
3536 let Inst{19-16} = Rd;
3537 let Inst{11-8} = Rm;
3540 class AsMul1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
3541 string opc, string asm, list<dag> pattern>
3542 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
3547 let Inst{19-16} = RdHi;
3548 let Inst{15-12} = RdLo;
3549 let Inst{11-8} = Rm;
3552 class AsMla1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
3553 string opc, string asm, list<dag> pattern>
3554 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
3559 let Inst{19-16} = RdHi;
3560 let Inst{15-12} = RdLo;
3561 let Inst{11-8} = Rm;
3565 // FIXME: The v5 pseudos are only necessary for the additional Constraint
3566 // property. Remove them when it's possible to add those properties
3567 // on an individual MachineInstr, not just an instruction description.
3568 let isCommutable = 1, TwoOperandAliasConstraint = "$Rn = $Rd" in {
3569 def MUL : AsMul1I32<0b0000000, (outs GPRnopc:$Rd),
3570 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3571 IIC_iMUL32, "mul", "\t$Rd, $Rn, $Rm",
3572 [(set GPRnopc:$Rd, (mul GPRnopc:$Rn, GPRnopc:$Rm))]>,
3573 Requires<[IsARM, HasV6]> {
3574 let Inst{15-12} = 0b0000;
3575 let Unpredictable{15-12} = 0b1111;
3578 let Constraints = "@earlyclobber $Rd" in
3579 def MULv5: ARMPseudoExpand<(outs GPRnopc:$Rd), (ins GPRnopc:$Rn, GPRnopc:$Rm,
3580 pred:$p, cc_out:$s),
3582 [(set GPRnopc:$Rd, (mul GPRnopc:$Rn, GPRnopc:$Rm))],
3583 (MUL GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p, cc_out:$s)>,
3584 Requires<[IsARM, NoV6, UseMulOps]>;
3587 def MLA : AsMul1I32<0b0000001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3588 IIC_iMAC32, "mla", "\t$Rd, $Rn, $Rm, $Ra",
3589 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
3590 Requires<[IsARM, HasV6, UseMulOps]> {
3592 let Inst{15-12} = Ra;
3595 let Constraints = "@earlyclobber $Rd" in
3596 def MLAv5: ARMPseudoExpand<(outs GPR:$Rd),
3597 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra, pred:$p, cc_out:$s),
3599 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))],
3600 (MLA GPR:$Rd, GPR:$Rn, GPR:$Rm, GPR:$Ra, pred:$p, cc_out:$s)>,
3601 Requires<[IsARM, NoV6]>;
3603 def MLS : AMul1I<0b0000011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3604 IIC_iMAC32, "mls", "\t$Rd, $Rn, $Rm, $Ra",
3605 [(set GPR:$Rd, (sub GPR:$Ra, (mul GPR:$Rn, GPR:$Rm)))]>,
3606 Requires<[IsARM, HasV6T2, UseMulOps]> {
3611 let Inst{19-16} = Rd;
3612 let Inst{15-12} = Ra;
3613 let Inst{11-8} = Rm;
3617 // Extra precision multiplies with low / high results
3618 let neverHasSideEffects = 1 in {
3619 let isCommutable = 1 in {
3620 def SMULL : AsMul1I64<0b0000110, (outs GPR:$RdLo, GPR:$RdHi),
3621 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
3622 "smull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3623 Requires<[IsARM, HasV6]>;
3625 def UMULL : AsMul1I64<0b0000100, (outs GPR:$RdLo, GPR:$RdHi),
3626 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
3627 "umull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3628 Requires<[IsARM, HasV6]>;
3630 let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
3631 def SMULLv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3632 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
3634 (SMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3635 Requires<[IsARM, NoV6]>;
3637 def UMULLv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3638 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
3640 (UMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3641 Requires<[IsARM, NoV6]>;
3645 // Multiply + accumulate
3646 def SMLAL : AsMla1I64<0b0000111, (outs GPR:$RdLo, GPR:$RdHi),
3647 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi), IIC_iMAC64,
3648 "smlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3649 RegConstraint<"$RLo = $RdLo, $RHi = $RdHi">, Requires<[IsARM, HasV6]>;
3650 def UMLAL : AsMla1I64<0b0000101, (outs GPR:$RdLo, GPR:$RdHi),
3651 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi), IIC_iMAC64,
3652 "umlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3653 RegConstraint<"$RLo = $RdLo, $RHi = $RdHi">, Requires<[IsARM, HasV6]>;
3655 def UMAAL : AMul1I <0b0000010, (outs GPR:$RdLo, GPR:$RdHi),
3656 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
3657 "umaal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3658 Requires<[IsARM, HasV6]> {
3663 let Inst{19-16} = RdHi;
3664 let Inst{15-12} = RdLo;
3665 let Inst{11-8} = Rm;
3669 let Constraints = "$RLo = $RdLo,$RHi = $RdHi" in {
3670 def SMLALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3671 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi, pred:$p, cc_out:$s),
3673 (SMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi,
3674 pred:$p, cc_out:$s)>,
3675 Requires<[IsARM, NoV6]>;
3676 def UMLALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3677 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi, pred:$p, cc_out:$s),
3679 (UMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi,
3680 pred:$p, cc_out:$s)>,
3681 Requires<[IsARM, NoV6]>;
3684 let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
3685 def UMAALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3686 (ins GPR:$Rn, GPR:$Rm, pred:$p),
3688 (UMAAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p)>,
3689 Requires<[IsARM, NoV6]>;
3692 } // neverHasSideEffects
3694 // Most significant word multiply
3695 def SMMUL : AMul2I <0b0111010, 0b0001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3696 IIC_iMUL32, "smmul", "\t$Rd, $Rn, $Rm",
3697 [(set GPR:$Rd, (mulhs GPR:$Rn, GPR:$Rm))]>,
3698 Requires<[IsARM, HasV6]> {
3699 let Inst{15-12} = 0b1111;
3702 def SMMULR : AMul2I <0b0111010, 0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3703 IIC_iMUL32, "smmulr", "\t$Rd, $Rn, $Rm", []>,
3704 Requires<[IsARM, HasV6]> {
3705 let Inst{15-12} = 0b1111;
3708 def SMMLA : AMul2Ia <0b0111010, 0b0001, (outs GPR:$Rd),
3709 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3710 IIC_iMAC32, "smmla", "\t$Rd, $Rn, $Rm, $Ra",
3711 [(set GPR:$Rd, (add (mulhs GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
3712 Requires<[IsARM, HasV6, UseMulOps]>;
3714 def SMMLAR : AMul2Ia <0b0111010, 0b0011, (outs GPR:$Rd),
3715 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3716 IIC_iMAC32, "smmlar", "\t$Rd, $Rn, $Rm, $Ra", []>,
3717 Requires<[IsARM, HasV6]>;
3719 def SMMLS : AMul2Ia <0b0111010, 0b1101, (outs GPR:$Rd),
3720 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3721 IIC_iMAC32, "smmls", "\t$Rd, $Rn, $Rm, $Ra", []>,
3722 Requires<[IsARM, HasV6, UseMulOps]>;
3724 def SMMLSR : AMul2Ia <0b0111010, 0b1111, (outs GPR:$Rd),
3725 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3726 IIC_iMAC32, "smmlsr", "\t$Rd, $Rn, $Rm, $Ra", []>,
3727 Requires<[IsARM, HasV6]>;
3729 multiclass AI_smul<string opc, PatFrag opnode> {
3730 def BB : AMulxyI<0b0001011, 0b00, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3731 IIC_iMUL16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm",
3732 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
3733 (sext_inreg GPR:$Rm, i16)))]>,
3734 Requires<[IsARM, HasV5TE]>;
3736 def BT : AMulxyI<0b0001011, 0b10, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3737 IIC_iMUL16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm",
3738 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
3739 (sra GPR:$Rm, (i32 16))))]>,
3740 Requires<[IsARM, HasV5TE]>;
3742 def TB : AMulxyI<0b0001011, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3743 IIC_iMUL16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm",
3744 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
3745 (sext_inreg GPR:$Rm, i16)))]>,
3746 Requires<[IsARM, HasV5TE]>;
3748 def TT : AMulxyI<0b0001011, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3749 IIC_iMUL16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm",
3750 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
3751 (sra GPR:$Rm, (i32 16))))]>,
3752 Requires<[IsARM, HasV5TE]>;
3754 def WB : AMulxyI<0b0001001, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3755 IIC_iMUL16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm",
3756 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
3757 (sext_inreg GPR:$Rm, i16)), (i32 16)))]>,
3758 Requires<[IsARM, HasV5TE]>;
3760 def WT : AMulxyI<0b0001001, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3761 IIC_iMUL16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm",
3762 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
3763 (sra GPR:$Rm, (i32 16))), (i32 16)))]>,
3764 Requires<[IsARM, HasV5TE]>;
3768 multiclass AI_smla<string opc, PatFrag opnode> {
3769 let DecoderMethod = "DecodeSMLAInstruction" in {
3770 def BB : AMulxyIa<0b0001000, 0b00, (outs GPRnopc:$Rd),
3771 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3772 IIC_iMAC16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm, $Ra",
3773 [(set GPRnopc:$Rd, (add GPR:$Ra,
3774 (opnode (sext_inreg GPRnopc:$Rn, i16),
3775 (sext_inreg GPRnopc:$Rm, i16))))]>,
3776 Requires<[IsARM, HasV5TE, UseMulOps]>;
3778 def BT : AMulxyIa<0b0001000, 0b10, (outs GPRnopc:$Rd),
3779 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3780 IIC_iMAC16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm, $Ra",
3782 (add GPR:$Ra, (opnode (sext_inreg GPRnopc:$Rn, i16),
3783 (sra GPRnopc:$Rm, (i32 16)))))]>,
3784 Requires<[IsARM, HasV5TE, UseMulOps]>;
3786 def TB : AMulxyIa<0b0001000, 0b01, (outs GPRnopc:$Rd),
3787 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3788 IIC_iMAC16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm, $Ra",
3790 (add GPR:$Ra, (opnode (sra GPRnopc:$Rn, (i32 16)),
3791 (sext_inreg GPRnopc:$Rm, i16))))]>,
3792 Requires<[IsARM, HasV5TE, UseMulOps]>;
3794 def TT : AMulxyIa<0b0001000, 0b11, (outs GPRnopc:$Rd),
3795 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3796 IIC_iMAC16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm, $Ra",
3798 (add GPR:$Ra, (opnode (sra GPRnopc:$Rn, (i32 16)),
3799 (sra GPRnopc:$Rm, (i32 16)))))]>,
3800 Requires<[IsARM, HasV5TE, UseMulOps]>;
3802 def WB : AMulxyIa<0b0001001, 0b00, (outs GPRnopc:$Rd),
3803 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3804 IIC_iMAC16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm, $Ra",
3806 (add GPR:$Ra, (sra (opnode GPRnopc:$Rn,
3807 (sext_inreg GPRnopc:$Rm, i16)), (i32 16))))]>,
3808 Requires<[IsARM, HasV5TE, UseMulOps]>;
3810 def WT : AMulxyIa<0b0001001, 0b10, (outs GPRnopc:$Rd),
3811 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3812 IIC_iMAC16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm, $Ra",
3814 (add GPR:$Ra, (sra (opnode GPRnopc:$Rn,
3815 (sra GPRnopc:$Rm, (i32 16))), (i32 16))))]>,
3816 Requires<[IsARM, HasV5TE, UseMulOps]>;
3820 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
3821 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
3823 // Halfword multiply accumulate long: SMLAL<x><y>.
3824 def SMLALBB : AMulxyI64<0b0001010, 0b00, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3825 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3826 IIC_iMAC64, "smlalbb", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3827 Requires<[IsARM, HasV5TE]>;
3829 def SMLALBT : AMulxyI64<0b0001010, 0b10, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3830 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3831 IIC_iMAC64, "smlalbt", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3832 Requires<[IsARM, HasV5TE]>;
3834 def SMLALTB : AMulxyI64<0b0001010, 0b01, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3835 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3836 IIC_iMAC64, "smlaltb", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3837 Requires<[IsARM, HasV5TE]>;
3839 def SMLALTT : AMulxyI64<0b0001010, 0b11, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3840 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3841 IIC_iMAC64, "smlaltt", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3842 Requires<[IsARM, HasV5TE]>;
3844 // Helper class for AI_smld.
3845 class AMulDualIbase<bit long, bit sub, bit swap, dag oops, dag iops,
3846 InstrItinClass itin, string opc, string asm>
3847 : AI<oops, iops, MulFrm, itin, opc, asm, []>, Requires<[IsARM, HasV6]> {
3850 let Inst{27-23} = 0b01110;
3851 let Inst{22} = long;
3852 let Inst{21-20} = 0b00;
3853 let Inst{11-8} = Rm;
3860 class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
3861 InstrItinClass itin, string opc, string asm>
3862 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
3864 let Inst{15-12} = 0b1111;
3865 let Inst{19-16} = Rd;
3867 class AMulDualIa<bit long, bit sub, bit swap, dag oops, dag iops,
3868 InstrItinClass itin, string opc, string asm>
3869 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
3872 let Inst{19-16} = Rd;
3873 let Inst{15-12} = Ra;
3875 class AMulDualI64<bit long, bit sub, bit swap, dag oops, dag iops,
3876 InstrItinClass itin, string opc, string asm>
3877 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
3880 let Inst{19-16} = RdHi;
3881 let Inst{15-12} = RdLo;
3884 multiclass AI_smld<bit sub, string opc> {
3886 def D : AMulDualIa<0, sub, 0, (outs GPRnopc:$Rd),
3887 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3888 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm, $Ra">;
3890 def DX: AMulDualIa<0, sub, 1, (outs GPRnopc:$Rd),
3891 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3892 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm, $Ra">;
3894 def LD: AMulDualI64<1, sub, 0, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3895 (ins GPRnopc:$Rn, GPRnopc:$Rm), NoItinerary,
3896 !strconcat(opc, "ld"), "\t$RdLo, $RdHi, $Rn, $Rm">;
3898 def LDX : AMulDualI64<1, sub, 1, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3899 (ins GPRnopc:$Rn, GPRnopc:$Rm), NoItinerary,
3900 !strconcat(opc, "ldx"),"\t$RdLo, $RdHi, $Rn, $Rm">;
3904 defm SMLA : AI_smld<0, "smla">;
3905 defm SMLS : AI_smld<1, "smls">;
3907 multiclass AI_sdml<bit sub, string opc> {
3909 def D:AMulDualI<0, sub, 0, (outs GPRnopc:$Rd), (ins GPRnopc:$Rn, GPRnopc:$Rm),
3910 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm">;
3911 def DX:AMulDualI<0, sub, 1, (outs GPRnopc:$Rd),(ins GPRnopc:$Rn, GPRnopc:$Rm),
3912 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm">;
3915 defm SMUA : AI_sdml<0, "smua">;
3916 defm SMUS : AI_sdml<1, "smus">;
3918 //===----------------------------------------------------------------------===//
3919 // Division Instructions (ARMv7-A with virtualization extension)
3921 def SDIV : ADivA1I<0b001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), IIC_iDIV,
3922 "sdiv", "\t$Rd, $Rn, $Rm",
3923 [(set GPR:$Rd, (sdiv GPR:$Rn, GPR:$Rm))]>,
3924 Requires<[IsARM, HasDivideInARM]>;
3926 def UDIV : ADivA1I<0b011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), IIC_iDIV,
3927 "udiv", "\t$Rd, $Rn, $Rm",
3928 [(set GPR:$Rd, (udiv GPR:$Rn, GPR:$Rm))]>,
3929 Requires<[IsARM, HasDivideInARM]>;
3931 //===----------------------------------------------------------------------===//
3932 // Misc. Arithmetic Instructions.
3935 def CLZ : AMiscA1I<0b000010110, 0b0001, (outs GPR:$Rd), (ins GPR:$Rm),
3936 IIC_iUNAr, "clz", "\t$Rd, $Rm",
3937 [(set GPR:$Rd, (ctlz GPR:$Rm))]>, Requires<[IsARM, HasV5T]>,
3940 def RBIT : AMiscA1I<0b01101111, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
3941 IIC_iUNAr, "rbit", "\t$Rd, $Rm",
3942 [(set GPR:$Rd, (ARMrbit GPR:$Rm))]>,
3943 Requires<[IsARM, HasV6T2]>,
3946 def REV : AMiscA1I<0b01101011, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
3947 IIC_iUNAr, "rev", "\t$Rd, $Rm",
3948 [(set GPR:$Rd, (bswap GPR:$Rm))]>, Requires<[IsARM, HasV6]>,
3951 let AddedComplexity = 5 in
3952 def REV16 : AMiscA1I<0b01101011, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
3953 IIC_iUNAr, "rev16", "\t$Rd, $Rm",
3954 [(set GPR:$Rd, (rotr (bswap GPR:$Rm), (i32 16)))]>,
3955 Requires<[IsARM, HasV6]>,
3958 let AddedComplexity = 5 in
3959 def REVSH : AMiscA1I<0b01101111, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
3960 IIC_iUNAr, "revsh", "\t$Rd, $Rm",
3961 [(set GPR:$Rd, (sra (bswap GPR:$Rm), (i32 16)))]>,
3962 Requires<[IsARM, HasV6]>,
3965 def : ARMV6Pat<(or (sra (shl GPR:$Rm, (i32 24)), (i32 16)),
3966 (and (srl GPR:$Rm, (i32 8)), 0xFF)),
3969 def PKHBT : APKHI<0b01101000, 0, (outs GPRnopc:$Rd),
3970 (ins GPRnopc:$Rn, GPRnopc:$Rm, pkh_lsl_amt:$sh),
3971 IIC_iALUsi, "pkhbt", "\t$Rd, $Rn, $Rm$sh",
3972 [(set GPRnopc:$Rd, (or (and GPRnopc:$Rn, 0xFFFF),
3973 (and (shl GPRnopc:$Rm, pkh_lsl_amt:$sh),
3975 Requires<[IsARM, HasV6]>,
3976 Sched<[WriteALUsi, ReadALU]>;
3978 // Alternate cases for PKHBT where identities eliminate some nodes.
3979 def : ARMV6Pat<(or (and GPRnopc:$Rn, 0xFFFF), (and GPRnopc:$Rm, 0xFFFF0000)),
3980 (PKHBT GPRnopc:$Rn, GPRnopc:$Rm, 0)>;
3981 def : ARMV6Pat<(or (and GPRnopc:$Rn, 0xFFFF), (shl GPRnopc:$Rm, imm16_31:$sh)),
3982 (PKHBT GPRnopc:$Rn, GPRnopc:$Rm, imm16_31:$sh)>;
3984 // Note: Shifts of 1-15 bits will be transformed to srl instead of sra and
3985 // will match the pattern below.
3986 def PKHTB : APKHI<0b01101000, 1, (outs GPRnopc:$Rd),
3987 (ins GPRnopc:$Rn, GPRnopc:$Rm, pkh_asr_amt:$sh),
3988 IIC_iBITsi, "pkhtb", "\t$Rd, $Rn, $Rm$sh",
3989 [(set GPRnopc:$Rd, (or (and GPRnopc:$Rn, 0xFFFF0000),
3990 (and (sra GPRnopc:$Rm, pkh_asr_amt:$sh),
3992 Requires<[IsARM, HasV6]>,
3993 Sched<[WriteALUsi, ReadALU]>;
3995 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
3996 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
3997 // We also can not replace a srl (17..31) by an arithmetic shift we would use in
3998 // pkhtb src1, src2, asr (17..31).
3999 def : ARMV6Pat<(or (and GPRnopc:$src1, 0xFFFF0000),
4000 (srl GPRnopc:$src2, imm16:$sh)),
4001 (PKHTB GPRnopc:$src1, GPRnopc:$src2, imm16:$sh)>;
4002 def : ARMV6Pat<(or (and GPRnopc:$src1, 0xFFFF0000),
4003 (sra GPRnopc:$src2, imm16_31:$sh)),
4004 (PKHTB GPRnopc:$src1, GPRnopc:$src2, imm16_31:$sh)>;
4005 def : ARMV6Pat<(or (and GPRnopc:$src1, 0xFFFF0000),
4006 (and (srl GPRnopc:$src2, imm1_15:$sh), 0xFFFF)),
4007 (PKHTB GPRnopc:$src1, GPRnopc:$src2, imm1_15:$sh)>;
4009 //===----------------------------------------------------------------------===//
4013 // + CRC32{B,H,W} 0x04C11DB7
4014 // + CRC32C{B,H,W} 0x1EDC6F41
4017 class AI_crc32<bit C, bits<2> sz, string suffix, SDPatternOperator builtin>
4018 : AInoP<(outs GPRnopc:$Rd), (ins GPRnopc:$Rn, GPRnopc:$Rm), MiscFrm, NoItinerary,
4019 !strconcat("crc32", suffix), "\t$Rd, $Rn, $Rm",
4020 [(set GPRnopc:$Rd, (builtin GPRnopc:$Rn, GPRnopc:$Rm))]>,
4021 Requires<[IsARM, HasV8]> {
4026 let Inst{31-28} = 0b1110;
4027 let Inst{27-23} = 0b00010;
4028 let Inst{22-21} = sz;
4030 let Inst{19-16} = Rn;
4031 let Inst{15-12} = Rd;
4032 let Inst{11-10} = 0b00;
4035 let Inst{7-4} = 0b0100;
4038 let Unpredictable{11-8} = 0b1101;
4041 def CRC32B : AI_crc32<0, 0b00, "b", int_arm_crc32b>;
4042 def CRC32CB : AI_crc32<1, 0b00, "cb", int_arm_crc32cb>;
4043 def CRC32H : AI_crc32<0, 0b01, "h", int_arm_crc32h>;
4044 def CRC32CH : AI_crc32<1, 0b01, "ch", int_arm_crc32ch>;
4045 def CRC32W : AI_crc32<0, 0b10, "w", int_arm_crc32w>;
4046 def CRC32CW : AI_crc32<1, 0b10, "cw", int_arm_crc32cw>;
4048 //===----------------------------------------------------------------------===//
4049 // Comparison Instructions...
4052 defm CMP : AI1_cmp_irs<0b1010, "cmp",
4053 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
4054 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
4056 // ARMcmpZ can re-use the above instruction definitions.
4057 def : ARMPat<(ARMcmpZ GPR:$src, so_imm:$imm),
4058 (CMPri GPR:$src, so_imm:$imm)>;
4059 def : ARMPat<(ARMcmpZ GPR:$src, GPR:$rhs),
4060 (CMPrr GPR:$src, GPR:$rhs)>;
4061 def : ARMPat<(ARMcmpZ GPR:$src, so_reg_imm:$rhs),
4062 (CMPrsi GPR:$src, so_reg_imm:$rhs)>;
4063 def : ARMPat<(ARMcmpZ GPR:$src, so_reg_reg:$rhs),
4064 (CMPrsr GPR:$src, so_reg_reg:$rhs)>;
4066 // CMN register-integer
4067 let isCompare = 1, Defs = [CPSR] in {
4068 def CMNri : AI1<0b1011, (outs), (ins GPR:$Rn, so_imm:$imm), DPFrm, IIC_iCMPi,
4069 "cmn", "\t$Rn, $imm",
4070 [(ARMcmn GPR:$Rn, so_imm:$imm)]>,
4071 Sched<[WriteCMP, ReadALU]> {
4076 let Inst{19-16} = Rn;
4077 let Inst{15-12} = 0b0000;
4078 let Inst{11-0} = imm;
4080 let Unpredictable{15-12} = 0b1111;
4083 // CMN register-register/shift
4084 def CMNzrr : AI1<0b1011, (outs), (ins GPR:$Rn, GPR:$Rm), DPFrm, IIC_iCMPr,
4085 "cmn", "\t$Rn, $Rm",
4086 [(BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>
4087 GPR:$Rn, GPR:$Rm)]>, Sched<[WriteCMP, ReadALU, ReadALU]> {
4090 let isCommutable = 1;
4093 let Inst{19-16} = Rn;
4094 let Inst{15-12} = 0b0000;
4095 let Inst{11-4} = 0b00000000;
4098 let Unpredictable{15-12} = 0b1111;
4101 def CMNzrsi : AI1<0b1011, (outs),
4102 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm, IIC_iCMPsr,
4103 "cmn", "\t$Rn, $shift",
4104 [(BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>
4105 GPR:$Rn, so_reg_imm:$shift)]>,
4106 Sched<[WriteCMPsi, ReadALU]> {
4111 let Inst{19-16} = Rn;
4112 let Inst{15-12} = 0b0000;
4113 let Inst{11-5} = shift{11-5};
4115 let Inst{3-0} = shift{3-0};
4117 let Unpredictable{15-12} = 0b1111;
4120 def CMNzrsr : AI1<0b1011, (outs),
4121 (ins GPRnopc:$Rn, so_reg_reg:$shift), DPSoRegRegFrm, IIC_iCMPsr,
4122 "cmn", "\t$Rn, $shift",
4123 [(BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>
4124 GPRnopc:$Rn, so_reg_reg:$shift)]>,
4125 Sched<[WriteCMPsr, ReadALU]> {
4130 let Inst{19-16} = Rn;
4131 let Inst{15-12} = 0b0000;
4132 let Inst{11-8} = shift{11-8};
4134 let Inst{6-5} = shift{6-5};
4136 let Inst{3-0} = shift{3-0};
4138 let Unpredictable{15-12} = 0b1111;
4143 def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
4144 (CMNri GPR:$src, so_imm_neg:$imm)>;
4146 def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
4147 (CMNri GPR:$src, so_imm_neg:$imm)>;
4149 // Note that TST/TEQ don't set all the same flags that CMP does!
4150 defm TST : AI1_cmp_irs<0b1000, "tst",
4151 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
4152 BinOpFrag<(ARMcmpZ (and_su node:$LHS, node:$RHS), 0)>, 1>;
4153 defm TEQ : AI1_cmp_irs<0b1001, "teq",
4154 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
4155 BinOpFrag<(ARMcmpZ (xor_su node:$LHS, node:$RHS), 0)>, 1>;
4157 // Pseudo i64 compares for some floating point compares.
4158 let usesCustomInserter = 1, isBranch = 1, isTerminator = 1,
4160 def BCCi64 : PseudoInst<(outs),
4161 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, brtarget:$dst),
4163 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, bb:$dst)]>,
4166 def BCCZi64 : PseudoInst<(outs),
4167 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, brtarget:$dst), IIC_Br,
4168 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, 0, 0, bb:$dst)]>,
4170 } // usesCustomInserter
4173 // Conditional moves
4174 let neverHasSideEffects = 1 in {
4176 let isCommutable = 1, isSelect = 1 in
4177 def MOVCCr : ARMPseudoInst<(outs GPR:$Rd),
4178 (ins GPR:$false, GPR:$Rm, cmovpred:$p),
4180 [(set GPR:$Rd, (ARMcmov GPR:$false, GPR:$Rm,
4182 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4184 def MOVCCsi : ARMPseudoInst<(outs GPR:$Rd),
4185 (ins GPR:$false, so_reg_imm:$shift, cmovpred:$p),
4188 (ARMcmov GPR:$false, so_reg_imm:$shift,
4190 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4191 def MOVCCsr : ARMPseudoInst<(outs GPR:$Rd),
4192 (ins GPR:$false, so_reg_reg:$shift, cmovpred:$p),
4194 [(set GPR:$Rd, (ARMcmov GPR:$false, so_reg_reg:$shift,
4196 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4199 let isMoveImm = 1 in
4201 : ARMPseudoInst<(outs GPR:$Rd),
4202 (ins GPR:$false, imm0_65535_expr:$imm, cmovpred:$p),
4204 [(set GPR:$Rd, (ARMcmov GPR:$false, imm0_65535:$imm,
4206 RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>,
4209 let isMoveImm = 1 in
4210 def MOVCCi : ARMPseudoInst<(outs GPR:$Rd),
4211 (ins GPR:$false, so_imm:$imm, cmovpred:$p),
4213 [(set GPR:$Rd, (ARMcmov GPR:$false, so_imm:$imm,
4215 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4217 // Two instruction predicate mov immediate.
4218 let isMoveImm = 1 in
4220 : ARMPseudoInst<(outs GPR:$Rd),
4221 (ins GPR:$false, i32imm:$src, cmovpred:$p),
4223 [(set GPR:$Rd, (ARMcmov GPR:$false, imm:$src,
4225 RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>;
4227 let isMoveImm = 1 in
4228 def MVNCCi : ARMPseudoInst<(outs GPR:$Rd),
4229 (ins GPR:$false, so_imm:$imm, cmovpred:$p),
4231 [(set GPR:$Rd, (ARMcmov GPR:$false, so_imm_not:$imm,
4233 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4235 } // neverHasSideEffects
4238 //===----------------------------------------------------------------------===//
4239 // Atomic operations intrinsics
4242 def MemBarrierOptOperand : AsmOperandClass {
4243 let Name = "MemBarrierOpt";
4244 let ParserMethod = "parseMemBarrierOptOperand";
4246 def memb_opt : Operand<i32> {
4247 let PrintMethod = "printMemBOption";
4248 let ParserMatchClass = MemBarrierOptOperand;
4249 let DecoderMethod = "DecodeMemBarrierOption";
4252 def InstSyncBarrierOptOperand : AsmOperandClass {
4253 let Name = "InstSyncBarrierOpt";
4254 let ParserMethod = "parseInstSyncBarrierOptOperand";
4256 def instsyncb_opt : Operand<i32> {
4257 let PrintMethod = "printInstSyncBOption";
4258 let ParserMatchClass = InstSyncBarrierOptOperand;
4259 let DecoderMethod = "DecodeInstSyncBarrierOption";
4262 // memory barriers protect the atomic sequences
4263 let hasSideEffects = 1 in {
4264 def DMB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
4265 "dmb", "\t$opt", [(int_arm_dmb (i32 imm0_15:$opt))]>,
4266 Requires<[IsARM, HasDB]> {
4268 let Inst{31-4} = 0xf57ff05;
4269 let Inst{3-0} = opt;
4273 def DSB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
4274 "dsb", "\t$opt", [(int_arm_dsb (i32 imm0_15:$opt))]>,
4275 Requires<[IsARM, HasDB]> {
4277 let Inst{31-4} = 0xf57ff04;
4278 let Inst{3-0} = opt;
4281 // ISB has only full system option
4282 def ISB : AInoP<(outs), (ins instsyncb_opt:$opt), MiscFrm, NoItinerary,
4283 "isb", "\t$opt", []>,
4284 Requires<[IsARM, HasDB]> {
4286 let Inst{31-4} = 0xf57ff06;
4287 let Inst{3-0} = opt;
4290 let usesCustomInserter = 1, Defs = [CPSR] in {
4292 // Pseudo instruction that combines movs + predicated rsbmi
4293 // to implement integer ABS
4294 def ABS : ARMPseudoInst<(outs GPR:$dst), (ins GPR:$src), 8, NoItinerary, []>;
4296 // Atomic pseudo-insts which will be lowered to ldrex/strex loops.
4297 // (64-bit pseudos use a hand-written selection code).
4298 let mayLoad = 1, mayStore = 1 in {
4299 def ATOMIC_LOAD_ADD_I8 : PseudoInst<
4301 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4303 def ATOMIC_LOAD_SUB_I8 : PseudoInst<
4305 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4307 def ATOMIC_LOAD_AND_I8 : PseudoInst<
4309 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4311 def ATOMIC_LOAD_OR_I8 : PseudoInst<
4313 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4315 def ATOMIC_LOAD_XOR_I8 : PseudoInst<
4317 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4319 def ATOMIC_LOAD_NAND_I8 : PseudoInst<
4321 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4323 def ATOMIC_LOAD_MIN_I8 : PseudoInst<
4325 (ins GPR:$ptr, GPR:$val, i32imm:$ordering),
4327 def ATOMIC_LOAD_MAX_I8 : PseudoInst<
4329 (ins GPR:$ptr, GPR:$val, i32imm:$ordering),
4331 def ATOMIC_LOAD_UMIN_I8 : PseudoInst<
4333 (ins GPR:$ptr, GPR:$val, i32imm:$ordering),
4335 def ATOMIC_LOAD_UMAX_I8 : PseudoInst<
4337 (ins GPR:$ptr, GPR:$val, i32imm:$ordering),
4339 def ATOMIC_SWAP_I8 : PseudoInst<
4341 (ins GPR:$ptr, GPR:$new, i32imm:$ordering),
4343 def ATOMIC_CMP_SWAP_I8 : PseudoInst<
4345 (ins GPR:$ptr, GPR:$old, GPR:$new, i32imm:$ordering),
4347 def ATOMIC_LOAD_ADD_I16 : PseudoInst<
4349 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4351 def ATOMIC_LOAD_SUB_I16 : PseudoInst<
4353 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4355 def ATOMIC_LOAD_AND_I16 : PseudoInst<
4357 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4359 def ATOMIC_LOAD_OR_I16 : PseudoInst<
4361 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4363 def ATOMIC_LOAD_XOR_I16 : PseudoInst<
4365 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4367 def ATOMIC_LOAD_NAND_I16 : PseudoInst<
4369 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4371 def ATOMIC_LOAD_MIN_I16 : PseudoInst<
4373 (ins GPR:$ptr, GPR:$val, i32imm:$ordering),
4375 def ATOMIC_LOAD_MAX_I16 : PseudoInst<
4377 (ins GPR:$ptr, GPR:$val, i32imm:$ordering),
4379 def ATOMIC_LOAD_UMIN_I16 : PseudoInst<
4381 (ins GPR:$ptr, GPR:$val, i32imm:$ordering),
4383 def ATOMIC_LOAD_UMAX_I16 : PseudoInst<
4385 (ins GPR:$ptr, GPR:$val, i32imm:$ordering),
4387 def ATOMIC_SWAP_I16 : PseudoInst<
4389 (ins GPR:$ptr, GPR:$new, i32imm:$ordering),
4391 def ATOMIC_CMP_SWAP_I16 : PseudoInst<
4393 (ins GPR:$ptr, GPR:$old, GPR:$new, i32imm:$ordering),
4395 def ATOMIC_LOAD_ADD_I32 : PseudoInst<
4397 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4399 def ATOMIC_LOAD_SUB_I32 : PseudoInst<
4401 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4403 def ATOMIC_LOAD_AND_I32 : PseudoInst<
4405 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4407 def ATOMIC_LOAD_OR_I32 : PseudoInst<
4409 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4411 def ATOMIC_LOAD_XOR_I32 : PseudoInst<
4413 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4415 def ATOMIC_LOAD_NAND_I32 : PseudoInst<
4417 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4419 def ATOMIC_LOAD_MIN_I32 : PseudoInst<
4421 (ins GPR:$ptr, GPR:$val, i32imm:$ordering),
4423 def ATOMIC_LOAD_MAX_I32 : PseudoInst<
4425 (ins GPR:$ptr, GPR:$val, i32imm:$ordering),
4427 def ATOMIC_LOAD_UMIN_I32 : PseudoInst<
4429 (ins GPR:$ptr, GPR:$val, i32imm:$ordering),
4431 def ATOMIC_LOAD_UMAX_I32 : PseudoInst<
4433 (ins GPR:$ptr, GPR:$val, i32imm:$ordering),
4435 def ATOMIC_SWAP_I32 : PseudoInst<
4437 (ins GPR:$ptr, GPR:$new, i32imm:$ordering),
4439 def ATOMIC_CMP_SWAP_I32 : PseudoInst<
4441 (ins GPR:$ptr, GPR:$old, GPR:$new, i32imm:$ordering),
4443 def ATOMIC_LOAD_ADD_I64 : PseudoInst<
4444 (outs GPR:$dst1, GPR:$dst2),
4445 (ins GPR:$addr, GPR:$src1, GPR:$src2, i32imm:$ordering),
4447 def ATOMIC_LOAD_SUB_I64 : PseudoInst<
4448 (outs GPR:$dst1, GPR:$dst2),
4449 (ins GPR:$addr, GPR:$src1, GPR:$src2, i32imm:$ordering),
4451 def ATOMIC_LOAD_AND_I64 : PseudoInst<
4452 (outs GPR:$dst1, GPR:$dst2),
4453 (ins GPR:$addr, GPR:$src1, GPR:$src2, i32imm:$ordering),
4455 def ATOMIC_LOAD_OR_I64 : PseudoInst<
4456 (outs GPR:$dst1, GPR:$dst2),
4457 (ins GPR:$addr, GPR:$src1, GPR:$src2, i32imm:$ordering),
4459 def ATOMIC_LOAD_XOR_I64 : PseudoInst<
4460 (outs GPR:$dst1, GPR:$dst2),
4461 (ins GPR:$addr, GPR:$src1, GPR:$src2, i32imm:$ordering),
4463 def ATOMIC_LOAD_NAND_I64 : PseudoInst<
4464 (outs GPR:$dst1, GPR:$dst2),
4465 (ins GPR:$addr, GPR:$src1, GPR:$src2, i32imm:$ordering),
4467 def ATOMIC_LOAD_MIN_I64 : PseudoInst<
4468 (outs GPR:$dst1, GPR:$dst2),
4469 (ins GPR:$addr, GPR:$src1, GPR:$src2, i32imm:$ordering),
4471 def ATOMIC_LOAD_MAX_I64 : PseudoInst<
4472 (outs GPR:$dst1, GPR:$dst2),
4473 (ins GPR:$addr, GPR:$src1, GPR:$src2, i32imm:$ordering),
4475 def ATOMIC_LOAD_UMIN_I64 : PseudoInst<
4476 (outs GPR:$dst1, GPR:$dst2),
4477 (ins GPR:$addr, GPR:$src1, GPR:$src2, i32imm:$ordering),
4479 def ATOMIC_LOAD_UMAX_I64 : PseudoInst<
4480 (outs GPR:$dst1, GPR:$dst2),
4481 (ins GPR:$addr, GPR:$src1, GPR:$src2, i32imm:$ordering),
4483 def ATOMIC_SWAP_I64 : PseudoInst<
4484 (outs GPR:$dst1, GPR:$dst2),
4485 (ins GPR:$addr, GPR:$src1, GPR:$src2, i32imm:$ordering),
4487 def ATOMIC_CMP_SWAP_I64 : PseudoInst<
4488 (outs GPR:$dst1, GPR:$dst2),
4489 (ins GPR:$addr, GPR:$cmp1, GPR:$cmp2,
4490 GPR:$set1, GPR:$set2, i32imm:$ordering),
4494 def ATOMIC_LOAD_I64 : PseudoInst<
4495 (outs GPR:$dst1, GPR:$dst2),
4496 (ins GPR:$addr, i32imm:$ordering),
4499 def ATOMIC_STORE_I64 : PseudoInst<
4500 (outs GPR:$dst1, GPR:$dst2),
4501 (ins GPR:$addr, GPR:$src1, GPR:$src2, i32imm:$ordering),
4505 let usesCustomInserter = 1 in {
4506 def COPY_STRUCT_BYVAL_I32 : PseudoInst<
4507 (outs), (ins GPR:$dst, GPR:$src, i32imm:$size, i32imm:$alignment),
4509 [(ARMcopystructbyval GPR:$dst, GPR:$src, imm:$size, imm:$alignment)]>;
4512 def ldrex_1 : PatFrag<(ops node:$ptr), (int_arm_ldrex node:$ptr), [{
4513 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i8;
4516 def ldrex_2 : PatFrag<(ops node:$ptr), (int_arm_ldrex node:$ptr), [{
4517 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i16;
4520 def ldrex_4 : PatFrag<(ops node:$ptr), (int_arm_ldrex node:$ptr), [{
4521 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i32;
4524 def strex_1 : PatFrag<(ops node:$val, node:$ptr),
4525 (int_arm_strex node:$val, node:$ptr), [{
4526 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i8;
4529 def strex_2 : PatFrag<(ops node:$val, node:$ptr),
4530 (int_arm_strex node:$val, node:$ptr), [{
4531 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i16;
4534 def strex_4 : PatFrag<(ops node:$val, node:$ptr),
4535 (int_arm_strex node:$val, node:$ptr), [{
4536 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i32;
4539 let mayLoad = 1 in {
4540 def LDREXB : AIldrex<0b10, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4541 NoItinerary, "ldrexb", "\t$Rt, $addr",
4542 [(set GPR:$Rt, (ldrex_1 addr_offset_none:$addr))]>;
4543 def LDREXH : AIldrex<0b11, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4544 NoItinerary, "ldrexh", "\t$Rt, $addr",
4545 [(set GPR:$Rt, (ldrex_2 addr_offset_none:$addr))]>;
4546 def LDREX : AIldrex<0b00, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4547 NoItinerary, "ldrex", "\t$Rt, $addr",
4548 [(set GPR:$Rt, (ldrex_4 addr_offset_none:$addr))]>;
4549 let hasExtraDefRegAllocReq = 1 in
4550 def LDREXD : AIldrex<0b01, (outs GPRPairOp:$Rt),(ins addr_offset_none:$addr),
4551 NoItinerary, "ldrexd", "\t$Rt, $addr", []> {
4552 let DecoderMethod = "DecodeDoubleRegLoad";
4555 def LDAEXB : AIldaex<0b10, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4556 NoItinerary, "ldaexb", "\t$Rt, $addr", []>;
4557 def LDAEXH : AIldaex<0b11, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4558 NoItinerary, "ldaexh", "\t$Rt, $addr", []>;
4559 def LDAEX : AIldaex<0b00, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4560 NoItinerary, "ldaex", "\t$Rt, $addr", []>;
4561 let hasExtraDefRegAllocReq = 1 in
4562 def LDAEXD : AIldaex<0b01, (outs GPRPairOp:$Rt),(ins addr_offset_none:$addr),
4563 NoItinerary, "ldaexd", "\t$Rt, $addr", []> {
4564 let DecoderMethod = "DecodeDoubleRegLoad";
4568 let mayStore = 1, Constraints = "@earlyclobber $Rd" in {
4569 def STREXB: AIstrex<0b10, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4570 NoItinerary, "strexb", "\t$Rd, $Rt, $addr",
4571 [(set GPR:$Rd, (strex_1 GPR:$Rt, addr_offset_none:$addr))]>;
4572 def STREXH: AIstrex<0b11, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4573 NoItinerary, "strexh", "\t$Rd, $Rt, $addr",
4574 [(set GPR:$Rd, (strex_2 GPR:$Rt, addr_offset_none:$addr))]>;
4575 def STREX : AIstrex<0b00, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4576 NoItinerary, "strex", "\t$Rd, $Rt, $addr",
4577 [(set GPR:$Rd, (strex_4 GPR:$Rt, addr_offset_none:$addr))]>;
4578 let hasExtraSrcRegAllocReq = 1 in
4579 def STREXD : AIstrex<0b01, (outs GPR:$Rd),
4580 (ins GPRPairOp:$Rt, addr_offset_none:$addr),
4581 NoItinerary, "strexd", "\t$Rd, $Rt, $addr", []> {
4582 let DecoderMethod = "DecodeDoubleRegStore";
4584 def STLEXB: AIstlex<0b10, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4585 NoItinerary, "stlexb", "\t$Rd, $Rt, $addr",
4587 def STLEXH: AIstlex<0b11, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4588 NoItinerary, "stlexh", "\t$Rd, $Rt, $addr",
4590 def STLEX : AIstlex<0b00, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4591 NoItinerary, "stlex", "\t$Rd, $Rt, $addr",
4593 let hasExtraSrcRegAllocReq = 1 in
4594 def STLEXD : AIstlex<0b01, (outs GPR:$Rd),
4595 (ins GPRPairOp:$Rt, addr_offset_none:$addr),
4596 NoItinerary, "stlexd", "\t$Rd, $Rt, $addr", []> {
4597 let DecoderMethod = "DecodeDoubleRegStore";
4601 def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex",
4603 Requires<[IsARM, HasV7]> {
4604 let Inst{31-0} = 0b11110101011111111111000000011111;
4607 def : ARMPat<(and (ldrex_1 addr_offset_none:$addr), 0xff),
4608 (LDREXB addr_offset_none:$addr)>;
4609 def : ARMPat<(and (ldrex_2 addr_offset_none:$addr), 0xffff),
4610 (LDREXH addr_offset_none:$addr)>;
4611 def : ARMPat<(strex_1 (and GPR:$Rt, 0xff), addr_offset_none:$addr),
4612 (STREXB GPR:$Rt, addr_offset_none:$addr)>;
4613 def : ARMPat<(strex_2 (and GPR:$Rt, 0xffff), addr_offset_none:$addr),
4614 (STREXH GPR:$Rt, addr_offset_none:$addr)>;
4616 class acquiring_load<PatFrag base>
4617 : PatFrag<(ops node:$ptr), (base node:$ptr), [{
4618 AtomicOrdering Ordering = cast<AtomicSDNode>(N)->getOrdering();
4619 return Ordering == Acquire || Ordering == SequentiallyConsistent;
4622 def atomic_load_acquire_8 : acquiring_load<atomic_load_8>;
4623 def atomic_load_acquire_16 : acquiring_load<atomic_load_16>;
4624 def atomic_load_acquire_32 : acquiring_load<atomic_load_32>;
4626 class releasing_store<PatFrag base>
4627 : PatFrag<(ops node:$ptr, node:$val), (base node:$ptr, node:$val), [{
4628 AtomicOrdering Ordering = cast<AtomicSDNode>(N)->getOrdering();
4629 return Ordering == Release || Ordering == SequentiallyConsistent;
4632 def atomic_store_release_8 : releasing_store<atomic_store_8>;
4633 def atomic_store_release_16 : releasing_store<atomic_store_16>;
4634 def atomic_store_release_32 : releasing_store<atomic_store_32>;
4636 let AddedComplexity = 8 in {
4637 def : ARMPat<(atomic_load_acquire_8 addr_offset_none:$addr), (LDAB addr_offset_none:$addr)>;
4638 def : ARMPat<(atomic_load_acquire_16 addr_offset_none:$addr), (LDAH addr_offset_none:$addr)>;
4639 def : ARMPat<(atomic_load_acquire_32 addr_offset_none:$addr), (LDA addr_offset_none:$addr)>;
4640 def : ARMPat<(atomic_store_release_8 addr_offset_none:$addr, GPR:$val), (STLB GPR:$val, addr_offset_none:$addr)>;
4641 def : ARMPat<(atomic_store_release_16 addr_offset_none:$addr, GPR:$val), (STLH GPR:$val, addr_offset_none:$addr)>;
4642 def : ARMPat<(atomic_store_release_32 addr_offset_none:$addr, GPR:$val), (STL GPR:$val, addr_offset_none:$addr)>;
4645 // SWP/SWPB are deprecated in V6/V7.
4646 let mayLoad = 1, mayStore = 1 in {
4647 def SWP : AIswp<0, (outs GPRnopc:$Rt),
4648 (ins GPRnopc:$Rt2, addr_offset_none:$addr), "swp", []>,
4650 def SWPB: AIswp<1, (outs GPRnopc:$Rt),
4651 (ins GPRnopc:$Rt2, addr_offset_none:$addr), "swpb", []>,
4655 //===----------------------------------------------------------------------===//
4656 // Coprocessor Instructions.
4659 def CDP : ABI<0b1110, (outs), (ins p_imm:$cop, imm0_15:$opc1,
4660 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, imm0_7:$opc2),
4661 NoItinerary, "cdp", "\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
4662 [(int_arm_cdp imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
4663 imm:$CRm, imm:$opc2)]> {
4671 let Inst{3-0} = CRm;
4673 let Inst{7-5} = opc2;
4674 let Inst{11-8} = cop;
4675 let Inst{15-12} = CRd;
4676 let Inst{19-16} = CRn;
4677 let Inst{23-20} = opc1;
4680 def CDP2 : ABXI<0b1110, (outs), (ins p_imm:$cop, imm0_15:$opc1,
4681 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, imm0_7:$opc2),
4682 NoItinerary, "cdp2\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
4683 [(int_arm_cdp2 imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
4684 imm:$CRm, imm:$opc2)]> {
4685 let Inst{31-28} = 0b1111;
4693 let Inst{3-0} = CRm;
4695 let Inst{7-5} = opc2;
4696 let Inst{11-8} = cop;
4697 let Inst{15-12} = CRd;
4698 let Inst{19-16} = CRn;
4699 let Inst{23-20} = opc1;
4702 class ACI<dag oops, dag iops, string opc, string asm,
4703 IndexMode im = IndexModeNone>
4704 : I<oops, iops, AddrModeNone, 4, im, BrFrm, NoItinerary,
4706 let Inst{27-25} = 0b110;
4708 class ACInoP<dag oops, dag iops, string opc, string asm,
4709 IndexMode im = IndexModeNone>
4710 : InoP<oops, iops, AddrModeNone, 4, im, BrFrm, NoItinerary,
4712 let Inst{31-28} = 0b1111;
4713 let Inst{27-25} = 0b110;
4715 multiclass LdStCop<bit load, bit Dbit, string asm> {
4716 def _OFFSET : ACI<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5:$addr),
4717 asm, "\t$cop, $CRd, $addr"> {
4721 let Inst{24} = 1; // P = 1
4722 let Inst{23} = addr{8};
4723 let Inst{22} = Dbit;
4724 let Inst{21} = 0; // W = 0
4725 let Inst{20} = load;
4726 let Inst{19-16} = addr{12-9};
4727 let Inst{15-12} = CRd;
4728 let Inst{11-8} = cop;
4729 let Inst{7-0} = addr{7-0};
4730 let DecoderMethod = "DecodeCopMemInstruction";
4732 def _PRE : ACI<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5_pre:$addr),
4733 asm, "\t$cop, $CRd, $addr!", IndexModePre> {
4737 let Inst{24} = 1; // P = 1
4738 let Inst{23} = addr{8};
4739 let Inst{22} = Dbit;
4740 let Inst{21} = 1; // W = 1
4741 let Inst{20} = load;
4742 let Inst{19-16} = addr{12-9};
4743 let Inst{15-12} = CRd;
4744 let Inst{11-8} = cop;
4745 let Inst{7-0} = addr{7-0};
4746 let DecoderMethod = "DecodeCopMemInstruction";
4748 def _POST: ACI<(outs), (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
4749 postidx_imm8s4:$offset),
4750 asm, "\t$cop, $CRd, $addr, $offset", IndexModePost> {
4755 let Inst{24} = 0; // P = 0
4756 let Inst{23} = offset{8};
4757 let Inst{22} = Dbit;
4758 let Inst{21} = 1; // W = 1
4759 let Inst{20} = load;
4760 let Inst{19-16} = addr;
4761 let Inst{15-12} = CRd;
4762 let Inst{11-8} = cop;
4763 let Inst{7-0} = offset{7-0};
4764 let DecoderMethod = "DecodeCopMemInstruction";
4766 def _OPTION : ACI<(outs),
4767 (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
4768 coproc_option_imm:$option),
4769 asm, "\t$cop, $CRd, $addr, $option"> {
4774 let Inst{24} = 0; // P = 0
4775 let Inst{23} = 1; // U = 1
4776 let Inst{22} = Dbit;
4777 let Inst{21} = 0; // W = 0
4778 let Inst{20} = load;
4779 let Inst{19-16} = addr;
4780 let Inst{15-12} = CRd;
4781 let Inst{11-8} = cop;
4782 let Inst{7-0} = option;
4783 let DecoderMethod = "DecodeCopMemInstruction";
4786 multiclass LdSt2Cop<bit load, bit Dbit, string asm> {
4787 def _OFFSET : ACInoP<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5:$addr),
4788 asm, "\t$cop, $CRd, $addr"> {
4792 let Inst{24} = 1; // P = 1
4793 let Inst{23} = addr{8};
4794 let Inst{22} = Dbit;
4795 let Inst{21} = 0; // W = 0
4796 let Inst{20} = load;
4797 let Inst{19-16} = addr{12-9};
4798 let Inst{15-12} = CRd;
4799 let Inst{11-8} = cop;
4800 let Inst{7-0} = addr{7-0};
4801 let DecoderMethod = "DecodeCopMemInstruction";
4803 def _PRE : ACInoP<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5_pre:$addr),
4804 asm, "\t$cop, $CRd, $addr!", IndexModePre> {
4808 let Inst{24} = 1; // P = 1
4809 let Inst{23} = addr{8};
4810 let Inst{22} = Dbit;
4811 let Inst{21} = 1; // W = 1
4812 let Inst{20} = load;
4813 let Inst{19-16} = addr{12-9};
4814 let Inst{15-12} = CRd;
4815 let Inst{11-8} = cop;
4816 let Inst{7-0} = addr{7-0};
4817 let DecoderMethod = "DecodeCopMemInstruction";
4819 def _POST: ACInoP<(outs), (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
4820 postidx_imm8s4:$offset),
4821 asm, "\t$cop, $CRd, $addr, $offset", IndexModePost> {
4826 let Inst{24} = 0; // P = 0
4827 let Inst{23} = offset{8};
4828 let Inst{22} = Dbit;
4829 let Inst{21} = 1; // W = 1
4830 let Inst{20} = load;
4831 let Inst{19-16} = addr;
4832 let Inst{15-12} = CRd;
4833 let Inst{11-8} = cop;
4834 let Inst{7-0} = offset{7-0};
4835 let DecoderMethod = "DecodeCopMemInstruction";
4837 def _OPTION : ACInoP<(outs),
4838 (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
4839 coproc_option_imm:$option),
4840 asm, "\t$cop, $CRd, $addr, $option"> {
4845 let Inst{24} = 0; // P = 0
4846 let Inst{23} = 1; // U = 1
4847 let Inst{22} = Dbit;
4848 let Inst{21} = 0; // W = 0
4849 let Inst{20} = load;
4850 let Inst{19-16} = addr;
4851 let Inst{15-12} = CRd;
4852 let Inst{11-8} = cop;
4853 let Inst{7-0} = option;
4854 let DecoderMethod = "DecodeCopMemInstruction";
4858 defm LDC : LdStCop <1, 0, "ldc">;
4859 defm LDCL : LdStCop <1, 1, "ldcl">;
4860 defm STC : LdStCop <0, 0, "stc">;
4861 defm STCL : LdStCop <0, 1, "stcl">;
4862 defm LDC2 : LdSt2Cop<1, 0, "ldc2">;
4863 defm LDC2L : LdSt2Cop<1, 1, "ldc2l">;
4864 defm STC2 : LdSt2Cop<0, 0, "stc2">;
4865 defm STC2L : LdSt2Cop<0, 1, "stc2l">;
4867 //===----------------------------------------------------------------------===//
4868 // Move between coprocessor and ARM core register.
4871 class MovRCopro<string opc, bit direction, dag oops, dag iops,
4873 : ABI<0b1110, oops, iops, NoItinerary, opc,
4874 "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2", pattern> {
4875 let Inst{20} = direction;
4885 let Inst{15-12} = Rt;
4886 let Inst{11-8} = cop;
4887 let Inst{23-21} = opc1;
4888 let Inst{7-5} = opc2;
4889 let Inst{3-0} = CRm;
4890 let Inst{19-16} = CRn;
4893 def MCR : MovRCopro<"mcr", 0 /* from ARM core register to coprocessor */,
4895 (ins p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
4896 c_imm:$CRm, imm0_7:$opc2),
4897 [(int_arm_mcr imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
4898 imm:$CRm, imm:$opc2)]>,
4899 ComplexDeprecationPredicate<"MCR">;
4900 def : ARMInstAlias<"mcr${p} $cop, $opc1, $Rt, $CRn, $CRm",
4901 (MCR p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
4902 c_imm:$CRm, 0, pred:$p)>;
4903 def MRC : MovRCopro<"mrc", 1 /* from coprocessor to ARM core register */,
4904 (outs GPRwithAPSR:$Rt),
4905 (ins p_imm:$cop, imm0_7:$opc1, c_imm:$CRn, c_imm:$CRm,
4907 def : ARMInstAlias<"mrc${p} $cop, $opc1, $Rt, $CRn, $CRm",
4908 (MRC GPRwithAPSR:$Rt, p_imm:$cop, imm0_7:$opc1, c_imm:$CRn,
4909 c_imm:$CRm, 0, pred:$p)>;
4911 def : ARMPat<(int_arm_mrc imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2),
4912 (MRC imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
4914 class MovRCopro2<string opc, bit direction, dag oops, dag iops,
4916 : ABXI<0b1110, oops, iops, NoItinerary,
4917 !strconcat(opc, "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2"), pattern> {
4918 let Inst{31-24} = 0b11111110;
4919 let Inst{20} = direction;
4929 let Inst{15-12} = Rt;
4930 let Inst{11-8} = cop;
4931 let Inst{23-21} = opc1;
4932 let Inst{7-5} = opc2;
4933 let Inst{3-0} = CRm;
4934 let Inst{19-16} = CRn;
4937 def MCR2 : MovRCopro2<"mcr2", 0 /* from ARM core register to coprocessor */,
4939 (ins p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
4940 c_imm:$CRm, imm0_7:$opc2),
4941 [(int_arm_mcr2 imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
4942 imm:$CRm, imm:$opc2)]>;
4943 def : ARMInstAlias<"mcr2$ $cop, $opc1, $Rt, $CRn, $CRm",
4944 (MCR2 p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
4946 def MRC2 : MovRCopro2<"mrc2", 1 /* from coprocessor to ARM core register */,
4947 (outs GPRwithAPSR:$Rt),
4948 (ins p_imm:$cop, imm0_7:$opc1, c_imm:$CRn, c_imm:$CRm,
4950 def : ARMInstAlias<"mrc2$ $cop, $opc1, $Rt, $CRn, $CRm",
4951 (MRC2 GPRwithAPSR:$Rt, p_imm:$cop, imm0_7:$opc1, c_imm:$CRn,
4954 def : ARMV5TPat<(int_arm_mrc2 imm:$cop, imm:$opc1, imm:$CRn,
4955 imm:$CRm, imm:$opc2),
4956 (MRC2 imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
4958 class MovRRCopro<string opc, bit direction, list<dag> pattern = []>
4959 : ABI<0b1100, (outs), (ins p_imm:$cop, imm0_15:$opc1,
4960 GPRnopc:$Rt, GPRnopc:$Rt2, c_imm:$CRm),
4961 NoItinerary, opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm", pattern> {
4962 let Inst{23-21} = 0b010;
4963 let Inst{20} = direction;
4971 let Inst{15-12} = Rt;
4972 let Inst{19-16} = Rt2;
4973 let Inst{11-8} = cop;
4974 let Inst{7-4} = opc1;
4975 let Inst{3-0} = CRm;
4978 def MCRR : MovRRCopro<"mcrr", 0 /* from ARM core register to coprocessor */,
4979 [(int_arm_mcrr imm:$cop, imm:$opc1, GPRnopc:$Rt,
4980 GPRnopc:$Rt2, imm:$CRm)]>;
4981 def MRRC : MovRRCopro<"mrrc", 1 /* from coprocessor to ARM core register */>;
4983 class MovRRCopro2<string opc, bit direction, list<dag> pattern = []>
4984 : ABXI<0b1100, (outs), (ins p_imm:$cop, imm0_15:$opc1,
4985 GPRnopc:$Rt, GPRnopc:$Rt2, c_imm:$CRm), NoItinerary,
4986 !strconcat(opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm"), pattern> {
4987 let Inst{31-28} = 0b1111;
4988 let Inst{23-21} = 0b010;
4989 let Inst{20} = direction;
4997 let Inst{15-12} = Rt;
4998 let Inst{19-16} = Rt2;
4999 let Inst{11-8} = cop;
5000 let Inst{7-4} = opc1;
5001 let Inst{3-0} = CRm;
5003 let DecoderMethod = "DecodeMRRC2";
5006 def MCRR2 : MovRRCopro2<"mcrr2", 0 /* from ARM core register to coprocessor */,
5007 [(int_arm_mcrr2 imm:$cop, imm:$opc1, GPRnopc:$Rt,
5008 GPRnopc:$Rt2, imm:$CRm)]>;
5009 def MRRC2 : MovRRCopro2<"mrrc2", 1 /* from coprocessor to ARM core register */>;
5011 //===----------------------------------------------------------------------===//
5012 // Move between special register and ARM core register
5015 // Move to ARM core register from Special Register
5016 def MRS : ABI<0b0001, (outs GPRnopc:$Rd), (ins), NoItinerary,
5017 "mrs", "\t$Rd, apsr", []> {
5019 let Inst{23-16} = 0b00001111;
5020 let Unpredictable{19-17} = 0b111;
5022 let Inst{15-12} = Rd;
5024 let Inst{11-0} = 0b000000000000;
5025 let Unpredictable{11-0} = 0b110100001111;
5028 def : InstAlias<"mrs${p} $Rd, cpsr", (MRS GPRnopc:$Rd, pred:$p)>,
5031 // The MRSsys instruction is the MRS instruction from the ARM ARM,
5032 // section B9.3.9, with the R bit set to 1.
5033 def MRSsys : ABI<0b0001, (outs GPRnopc:$Rd), (ins), NoItinerary,
5034 "mrs", "\t$Rd, spsr", []> {
5036 let Inst{23-16} = 0b01001111;
5037 let Unpredictable{19-16} = 0b1111;
5039 let Inst{15-12} = Rd;
5041 let Inst{11-0} = 0b000000000000;
5042 let Unpredictable{11-0} = 0b110100001111;
5045 // Move from ARM core register to Special Register
5047 // No need to have both system and application versions, the encodings are the
5048 // same and the assembly parser has no way to distinguish between them. The mask
5049 // operand contains the special register (R Bit) in bit 4 and bits 3-0 contains
5050 // the mask with the fields to be accessed in the special register.
5051 def MSR : ABI<0b0001, (outs), (ins msr_mask:$mask, GPR:$Rn), NoItinerary,
5052 "msr", "\t$mask, $Rn", []> {
5057 let Inst{22} = mask{4}; // R bit
5058 let Inst{21-20} = 0b10;
5059 let Inst{19-16} = mask{3-0};
5060 let Inst{15-12} = 0b1111;
5061 let Inst{11-4} = 0b00000000;
5065 def MSRi : ABI<0b0011, (outs), (ins msr_mask:$mask, so_imm:$a), NoItinerary,
5066 "msr", "\t$mask, $a", []> {
5071 let Inst{22} = mask{4}; // R bit
5072 let Inst{21-20} = 0b10;
5073 let Inst{19-16} = mask{3-0};
5074 let Inst{15-12} = 0b1111;
5078 //===----------------------------------------------------------------------===//
5082 // __aeabi_read_tp preserves the registers r1-r3.
5083 // This is a pseudo inst so that we can get the encoding right,
5084 // complete with fixup for the aeabi_read_tp function.
5086 Defs = [R0, R12, LR, CPSR], Uses = [SP] in {
5087 def TPsoft : PseudoInst<(outs), (ins), IIC_Br,
5088 [(set R0, ARMthread_pointer)]>, Sched<[WriteBr]>;
5091 //===----------------------------------------------------------------------===//
5092 // SJLJ Exception handling intrinsics
5093 // eh_sjlj_setjmp() is an instruction sequence to store the return
5094 // address and save #0 in R0 for the non-longjmp case.
5095 // Since by its nature we may be coming from some other function to get
5096 // here, and we're using the stack frame for the containing function to
5097 // save/restore registers, we can't keep anything live in regs across
5098 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
5099 // when we get here from a longjmp(). We force everything out of registers
5100 // except for our own input by listing the relevant registers in Defs. By
5101 // doing so, we also cause the prologue/epilogue code to actively preserve
5102 // all of the callee-saved resgisters, which is exactly what we want.
5103 // A constant value is passed in $val, and we use the location as a scratch.
5105 // These are pseudo-instructions and are lowered to individual MC-insts, so
5106 // no encoding information is necessary.
5108 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR,
5109 Q0, Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8, Q9, Q10, Q11, Q12, Q13, Q14, Q15 ],
5110 hasSideEffects = 1, isBarrier = 1, usesCustomInserter = 1 in {
5111 def Int_eh_sjlj_setjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
5113 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
5114 Requires<[IsARM, HasVFP2]>;
5118 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR ],
5119 hasSideEffects = 1, isBarrier = 1, usesCustomInserter = 1 in {
5120 def Int_eh_sjlj_setjmp_nofp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
5122 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
5123 Requires<[IsARM, NoVFP]>;
5126 // FIXME: Non-IOS version(s)
5127 let isBarrier = 1, hasSideEffects = 1, isTerminator = 1,
5128 Defs = [ R7, LR, SP ] in {
5129 def Int_eh_sjlj_longjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$scratch),
5131 [(ARMeh_sjlj_longjmp GPR:$src, GPR:$scratch)]>,
5132 Requires<[IsARM, IsIOS]>;
5135 // eh.sjlj.dispatchsetup pseudo-instruction.
5136 // This pseudo is used for both ARM and Thumb. Any differences are handled when
5137 // the pseudo is expanded (which happens before any passes that need the
5138 // instruction size).
5139 let isBarrier = 1 in
5140 def Int_eh_sjlj_dispatchsetup : PseudoInst<(outs), (ins), NoItinerary, []>;
5143 //===----------------------------------------------------------------------===//
5144 // Non-Instruction Patterns
5147 // ARMv4 indirect branch using (MOVr PC, dst)
5148 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in
5149 def MOVPCRX : ARMPseudoExpand<(outs), (ins GPR:$dst),
5150 4, IIC_Br, [(brind GPR:$dst)],
5151 (MOVr PC, GPR:$dst, (ops 14, zero_reg), zero_reg)>,
5152 Requires<[IsARM, NoV4T]>, Sched<[WriteBr]>;
5154 // Large immediate handling.
5156 // 32-bit immediate using two piece so_imms or movw + movt.
5157 // This is a single pseudo instruction, the benefit is that it can be remat'd
5158 // as a single unit instead of having to handle reg inputs.
5159 // FIXME: Remove this when we can do generalized remat.
5160 let isReMaterializable = 1, isMoveImm = 1 in
5161 def MOVi32imm : PseudoInst<(outs GPR:$dst), (ins i32imm:$src), IIC_iMOVix2,
5162 [(set GPR:$dst, (arm_i32imm:$src))]>,
5165 // Pseudo instruction that combines movw + movt + add pc (if PIC).
5166 // It also makes it possible to rematerialize the instructions.
5167 // FIXME: Remove this when we can do generalized remat and when machine licm
5168 // can properly the instructions.
5169 let isReMaterializable = 1 in {
5170 def MOV_ga_pcrel : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
5172 [(set GPR:$dst, (ARMWrapperPIC tglobaladdr:$addr))]>,
5173 Requires<[IsARM, UseMovt]>;
5175 def MOV_ga_dyn : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
5177 [(set GPR:$dst, (ARMWrapperDYN tglobaladdr:$addr))]>,
5178 Requires<[IsARM, UseMovt]>;
5180 let AddedComplexity = 10 in
5181 def MOV_ga_pcrel_ldr : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
5183 [(set GPR:$dst, (load (ARMWrapperPIC tglobaladdr:$addr)))]>,
5184 Requires<[IsARM, UseMovt]>;
5185 } // isReMaterializable
5187 // ConstantPool, GlobalAddress, and JumpTable
5188 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>,
5189 Requires<[IsARM, DontUseMovt]>;
5190 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
5191 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
5192 Requires<[IsARM, UseMovt]>;
5193 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
5194 (LEApcrelJT tjumptable:$dst, imm:$id)>;
5196 // TODO: add,sub,and, 3-instr forms?
5198 // Tail calls. These patterns also apply to Thumb mode.
5199 def : Pat<(ARMtcret tcGPR:$dst), (TCRETURNri tcGPR:$dst)>;
5200 def : Pat<(ARMtcret (i32 tglobaladdr:$dst)), (TCRETURNdi texternalsym:$dst)>;
5201 def : Pat<(ARMtcret (i32 texternalsym:$dst)), (TCRETURNdi texternalsym:$dst)>;
5204 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>;
5205 def : ARMPat<(ARMcall_nolink texternalsym:$func),
5206 (BMOVPCB_CALL texternalsym:$func)>;
5208 // zextload i1 -> zextload i8
5209 def : ARMPat<(zextloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
5210 def : ARMPat<(zextloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
5212 // extload -> zextload
5213 def : ARMPat<(extloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
5214 def : ARMPat<(extloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
5215 def : ARMPat<(extloadi8 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
5216 def : ARMPat<(extloadi8 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
5218 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
5220 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
5221 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
5224 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
5225 (sra (shl GPR:$b, (i32 16)), (i32 16))),
5226 (SMULBB GPR:$a, GPR:$b)>;
5227 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
5228 (SMULBB GPR:$a, GPR:$b)>;
5229 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
5230 (sra GPR:$b, (i32 16))),
5231 (SMULBT GPR:$a, GPR:$b)>;
5232 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
5233 (SMULBT GPR:$a, GPR:$b)>;
5234 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
5235 (sra (shl GPR:$b, (i32 16)), (i32 16))),
5236 (SMULTB GPR:$a, GPR:$b)>;
5237 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
5238 (SMULTB GPR:$a, GPR:$b)>;
5239 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
5241 (SMULWB GPR:$a, GPR:$b)>;
5242 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
5243 (SMULWB GPR:$a, GPR:$b)>;
5245 def : ARMV5MOPat<(add GPR:$acc,
5246 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
5247 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
5248 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
5249 def : ARMV5MOPat<(add GPR:$acc,
5250 (mul sext_16_node:$a, sext_16_node:$b)),
5251 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
5252 def : ARMV5MOPat<(add GPR:$acc,
5253 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
5254 (sra GPR:$b, (i32 16)))),
5255 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
5256 def : ARMV5MOPat<(add GPR:$acc,
5257 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
5258 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
5259 def : ARMV5MOPat<(add GPR:$acc,
5260 (mul (sra GPR:$a, (i32 16)),
5261 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
5262 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
5263 def : ARMV5MOPat<(add GPR:$acc,
5264 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
5265 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
5266 def : ARMV5MOPat<(add GPR:$acc,
5267 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
5269 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
5270 def : ARMV5MOPat<(add GPR:$acc,
5271 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
5272 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
5275 // Pre-v7 uses MCR for synchronization barriers.
5276 def : ARMPat<(ARMMemBarrierMCR GPR:$zero), (MCR 15, 0, GPR:$zero, 7, 10, 5)>,
5277 Requires<[IsARM, HasV6]>;
5279 // SXT/UXT with no rotate
5280 let AddedComplexity = 16 in {
5281 def : ARMV6Pat<(and GPR:$Src, 0x000000FF), (UXTB GPR:$Src, 0)>;
5282 def : ARMV6Pat<(and GPR:$Src, 0x0000FFFF), (UXTH GPR:$Src, 0)>;
5283 def : ARMV6Pat<(and GPR:$Src, 0x00FF00FF), (UXTB16 GPR:$Src, 0)>;
5284 def : ARMV6Pat<(add GPR:$Rn, (and GPR:$Rm, 0x00FF)),
5285 (UXTAB GPR:$Rn, GPR:$Rm, 0)>;
5286 def : ARMV6Pat<(add GPR:$Rn, (and GPR:$Rm, 0xFFFF)),
5287 (UXTAH GPR:$Rn, GPR:$Rm, 0)>;
5290 def : ARMV6Pat<(sext_inreg GPR:$Src, i8), (SXTB GPR:$Src, 0)>;
5291 def : ARMV6Pat<(sext_inreg GPR:$Src, i16), (SXTH GPR:$Src, 0)>;
5293 def : ARMV6Pat<(add GPR:$Rn, (sext_inreg GPRnopc:$Rm, i8)),
5294 (SXTAB GPR:$Rn, GPRnopc:$Rm, 0)>;
5295 def : ARMV6Pat<(add GPR:$Rn, (sext_inreg GPRnopc:$Rm, i16)),
5296 (SXTAH GPR:$Rn, GPRnopc:$Rm, 0)>;
5298 // Atomic load/store patterns
5299 def : ARMPat<(atomic_load_8 ldst_so_reg:$src),
5300 (LDRBrs ldst_so_reg:$src)>;
5301 def : ARMPat<(atomic_load_8 addrmode_imm12:$src),
5302 (LDRBi12 addrmode_imm12:$src)>;
5303 def : ARMPat<(atomic_load_16 addrmode3:$src),
5304 (LDRH addrmode3:$src)>;
5305 def : ARMPat<(atomic_load_32 ldst_so_reg:$src),
5306 (LDRrs ldst_so_reg:$src)>;
5307 def : ARMPat<(atomic_load_32 addrmode_imm12:$src),
5308 (LDRi12 addrmode_imm12:$src)>;
5309 def : ARMPat<(atomic_store_8 ldst_so_reg:$ptr, GPR:$val),
5310 (STRBrs GPR:$val, ldst_so_reg:$ptr)>;
5311 def : ARMPat<(atomic_store_8 addrmode_imm12:$ptr, GPR:$val),
5312 (STRBi12 GPR:$val, addrmode_imm12:$ptr)>;
5313 def : ARMPat<(atomic_store_16 addrmode3:$ptr, GPR:$val),
5314 (STRH GPR:$val, addrmode3:$ptr)>;
5315 def : ARMPat<(atomic_store_32 ldst_so_reg:$ptr, GPR:$val),
5316 (STRrs GPR:$val, ldst_so_reg:$ptr)>;
5317 def : ARMPat<(atomic_store_32 addrmode_imm12:$ptr, GPR:$val),
5318 (STRi12 GPR:$val, addrmode_imm12:$ptr)>;
5321 //===----------------------------------------------------------------------===//
5325 include "ARMInstrThumb.td"
5327 //===----------------------------------------------------------------------===//
5331 include "ARMInstrThumb2.td"
5333 //===----------------------------------------------------------------------===//
5334 // Floating Point Support
5337 include "ARMInstrVFP.td"
5339 //===----------------------------------------------------------------------===//
5340 // Advanced SIMD (NEON) Support
5343 include "ARMInstrNEON.td"
5345 //===----------------------------------------------------------------------===//
5346 // Assembler aliases
5350 def : InstAlias<"dmb", (DMB 0xf)>, Requires<[IsARM, HasDB]>;
5351 def : InstAlias<"dsb", (DSB 0xf)>, Requires<[IsARM, HasDB]>;
5352 def : InstAlias<"isb", (ISB 0xf)>, Requires<[IsARM, HasDB]>;
5354 // System instructions
5355 def : MnemonicAlias<"swi", "svc">;
5357 // Load / Store Multiple
5358 def : MnemonicAlias<"ldmfd", "ldm">;
5359 def : MnemonicAlias<"ldmia", "ldm">;
5360 def : MnemonicAlias<"ldmea", "ldmdb">;
5361 def : MnemonicAlias<"stmfd", "stmdb">;
5362 def : MnemonicAlias<"stmia", "stm">;
5363 def : MnemonicAlias<"stmea", "stm">;
5365 // PKHBT/PKHTB with default shift amount. PKHTB is equivalent to PKHBT when the
5366 // shift amount is zero (i.e., unspecified).
5367 def : InstAlias<"pkhbt${p} $Rd, $Rn, $Rm",
5368 (PKHBT GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, 0, pred:$p)>,
5369 Requires<[IsARM, HasV6]>;
5370 def : InstAlias<"pkhtb${p} $Rd, $Rn, $Rm",
5371 (PKHBT GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, 0, pred:$p)>,
5372 Requires<[IsARM, HasV6]>;
5374 // PUSH/POP aliases for STM/LDM
5375 def : ARMInstAlias<"push${p} $regs", (STMDB_UPD SP, pred:$p, reglist:$regs)>;
5376 def : ARMInstAlias<"pop${p} $regs", (LDMIA_UPD SP, pred:$p, reglist:$regs)>;
5378 // SSAT/USAT optional shift operand.
5379 def : ARMInstAlias<"ssat${p} $Rd, $sat_imm, $Rn",
5380 (SSAT GPRnopc:$Rd, imm1_32:$sat_imm, GPRnopc:$Rn, 0, pred:$p)>;
5381 def : ARMInstAlias<"usat${p} $Rd, $sat_imm, $Rn",
5382 (USAT GPRnopc:$Rd, imm0_31:$sat_imm, GPRnopc:$Rn, 0, pred:$p)>;
5385 // Extend instruction optional rotate operand.
5386 def : ARMInstAlias<"sxtab${p} $Rd, $Rn, $Rm",
5387 (SXTAB GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5388 def : ARMInstAlias<"sxtah${p} $Rd, $Rn, $Rm",
5389 (SXTAH GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5390 def : ARMInstAlias<"sxtab16${p} $Rd, $Rn, $Rm",
5391 (SXTAB16 GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5392 def : ARMInstAlias<"sxtb${p} $Rd, $Rm",
5393 (SXTB GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5394 def : ARMInstAlias<"sxtb16${p} $Rd, $Rm",
5395 (SXTB16 GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5396 def : ARMInstAlias<"sxth${p} $Rd, $Rm",
5397 (SXTH GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5399 def : ARMInstAlias<"uxtab${p} $Rd, $Rn, $Rm",
5400 (UXTAB GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5401 def : ARMInstAlias<"uxtah${p} $Rd, $Rn, $Rm",
5402 (UXTAH GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5403 def : ARMInstAlias<"uxtab16${p} $Rd, $Rn, $Rm",
5404 (UXTAB16 GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5405 def : ARMInstAlias<"uxtb${p} $Rd, $Rm",
5406 (UXTB GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5407 def : ARMInstAlias<"uxtb16${p} $Rd, $Rm",
5408 (UXTB16 GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5409 def : ARMInstAlias<"uxth${p} $Rd, $Rm",
5410 (UXTH GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5414 def : MnemonicAlias<"rfefa", "rfeda">;
5415 def : MnemonicAlias<"rfeea", "rfedb">;
5416 def : MnemonicAlias<"rfefd", "rfeia">;
5417 def : MnemonicAlias<"rfeed", "rfeib">;
5418 def : MnemonicAlias<"rfe", "rfeia">;
5421 def : MnemonicAlias<"srsfa", "srsib">;
5422 def : MnemonicAlias<"srsea", "srsia">;
5423 def : MnemonicAlias<"srsfd", "srsdb">;
5424 def : MnemonicAlias<"srsed", "srsda">;
5425 def : MnemonicAlias<"srs", "srsia">;
5428 def : MnemonicAlias<"qsubaddx", "qsax">;
5430 def : MnemonicAlias<"saddsubx", "sasx">;
5431 // SHASX == SHADDSUBX
5432 def : MnemonicAlias<"shaddsubx", "shasx">;
5433 // SHSAX == SHSUBADDX
5434 def : MnemonicAlias<"shsubaddx", "shsax">;
5436 def : MnemonicAlias<"ssubaddx", "ssax">;
5438 def : MnemonicAlias<"uaddsubx", "uasx">;
5439 // UHASX == UHADDSUBX
5440 def : MnemonicAlias<"uhaddsubx", "uhasx">;
5441 // UHSAX == UHSUBADDX
5442 def : MnemonicAlias<"uhsubaddx", "uhsax">;
5443 // UQASX == UQADDSUBX
5444 def : MnemonicAlias<"uqaddsubx", "uqasx">;
5445 // UQSAX == UQSUBADDX
5446 def : MnemonicAlias<"uqsubaddx", "uqsax">;
5448 def : MnemonicAlias<"usubaddx", "usax">;
5450 // "mov Rd, so_imm_not" can be handled via "mvn" in assembly, just like
5452 def : ARMInstAlias<"mov${s}${p} $Rd, $imm",
5453 (MVNi rGPR:$Rd, so_imm_not:$imm, pred:$p, cc_out:$s)>;
5454 def : ARMInstAlias<"mvn${s}${p} $Rd, $imm",
5455 (MOVi rGPR:$Rd, so_imm_not:$imm, pred:$p, cc_out:$s)>;
5456 // Same for AND <--> BIC
5457 def : ARMInstAlias<"bic${s}${p} $Rd, $Rn, $imm",
5458 (ANDri rGPR:$Rd, rGPR:$Rn, so_imm_not:$imm,
5459 pred:$p, cc_out:$s)>;
5460 def : ARMInstAlias<"bic${s}${p} $Rdn, $imm",
5461 (ANDri rGPR:$Rdn, rGPR:$Rdn, so_imm_not:$imm,
5462 pred:$p, cc_out:$s)>;
5463 def : ARMInstAlias<"and${s}${p} $Rd, $Rn, $imm",
5464 (BICri rGPR:$Rd, rGPR:$Rn, so_imm_not:$imm,
5465 pred:$p, cc_out:$s)>;
5466 def : ARMInstAlias<"and${s}${p} $Rdn, $imm",
5467 (BICri rGPR:$Rdn, rGPR:$Rdn, so_imm_not:$imm,
5468 pred:$p, cc_out:$s)>;
5470 // Likewise, "add Rd, so_imm_neg" -> sub
5471 def : ARMInstAlias<"add${s}${p} $Rd, $Rn, $imm",
5472 (SUBri GPR:$Rd, GPR:$Rn, so_imm_neg:$imm, pred:$p, cc_out:$s)>;
5473 def : ARMInstAlias<"add${s}${p} $Rd, $imm",
5474 (SUBri GPR:$Rd, GPR:$Rd, so_imm_neg:$imm, pred:$p, cc_out:$s)>;
5475 // Same for CMP <--> CMN via so_imm_neg
5476 def : ARMInstAlias<"cmp${p} $Rd, $imm",
5477 (CMNri rGPR:$Rd, so_imm_neg:$imm, pred:$p)>;
5478 def : ARMInstAlias<"cmn${p} $Rd, $imm",
5479 (CMPri rGPR:$Rd, so_imm_neg:$imm, pred:$p)>;
5481 // The shifter forms of the MOV instruction are aliased to the ASR, LSL,
5482 // LSR, ROR, and RRX instructions.
5483 // FIXME: We need C++ parser hooks to map the alias to the MOV
5484 // encoding. It seems we should be able to do that sort of thing
5485 // in tblgen, but it could get ugly.
5486 let TwoOperandAliasConstraint = "$Rm = $Rd" in {
5487 def ASRi : ARMAsmPseudo<"asr${s}${p} $Rd, $Rm, $imm",
5488 (ins GPR:$Rd, GPR:$Rm, imm0_32:$imm, pred:$p,
5490 def LSRi : ARMAsmPseudo<"lsr${s}${p} $Rd, $Rm, $imm",
5491 (ins GPR:$Rd, GPR:$Rm, imm0_32:$imm, pred:$p,
5493 def LSLi : ARMAsmPseudo<"lsl${s}${p} $Rd, $Rm, $imm",
5494 (ins GPR:$Rd, GPR:$Rm, imm0_31:$imm, pred:$p,
5496 def RORi : ARMAsmPseudo<"ror${s}${p} $Rd, $Rm, $imm",
5497 (ins GPR:$Rd, GPR:$Rm, imm0_31:$imm, pred:$p,
5500 def RRXi : ARMAsmPseudo<"rrx${s}${p} $Rd, $Rm",
5501 (ins GPR:$Rd, GPR:$Rm, pred:$p, cc_out:$s)>;
5502 let TwoOperandAliasConstraint = "$Rn = $Rd" in {
5503 def ASRr : ARMAsmPseudo<"asr${s}${p} $Rd, $Rn, $Rm",
5504 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5506 def LSRr : ARMAsmPseudo<"lsr${s}${p} $Rd, $Rn, $Rm",
5507 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5509 def LSLr : ARMAsmPseudo<"lsl${s}${p} $Rd, $Rn, $Rm",
5510 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5512 def RORr : ARMAsmPseudo<"ror${s}${p} $Rd, $Rn, $Rm",
5513 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5517 // "neg" is and alias for "rsb rd, rn, #0"
5518 def : ARMInstAlias<"neg${s}${p} $Rd, $Rm",
5519 (RSBri GPR:$Rd, GPR:$Rm, 0, pred:$p, cc_out:$s)>;
5521 // Pre-v6, 'mov r0, r0' was used as a NOP encoding.
5522 def : InstAlias<"nop${p}", (MOVr R0, R0, pred:$p, zero_reg)>,
5523 Requires<[IsARM, NoV6]>;
5525 // UMULL/SMULL are available on all arches, but the instruction definitions
5526 // need difference constraints pre-v6. Use these aliases for the assembly
5527 // parsing on pre-v6.
5528 def : InstAlias<"smull${s}${p} $RdLo, $RdHi, $Rn, $Rm",
5529 (SMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
5530 Requires<[IsARM, NoV6]>;
5531 def : InstAlias<"umull${s}${p} $RdLo, $RdHi, $Rn, $Rm",
5532 (UMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
5533 Requires<[IsARM, NoV6]>;
5535 // 'it' blocks in ARM mode just validate the predicates. The IT itself
5537 def ITasm : ARMAsmPseudo<"it$mask $cc", (ins it_pred:$cc, it_mask:$mask)>;