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 ARMWrapperPIC : SDNode<"ARMISD::WrapperPIC", SDTIntUnaryOp>;
99 def ARMWrapperJT : SDNode<"ARMISD::WrapperJT", SDTIntBinOp>;
101 def ARMcallseq_start : SDNode<"ISD::CALLSEQ_START", SDT_ARMCallSeqStart,
102 [SDNPHasChain, SDNPSideEffect, SDNPOutGlue]>;
103 def ARMcallseq_end : SDNode<"ISD::CALLSEQ_END", SDT_ARMCallSeqEnd,
104 [SDNPHasChain, SDNPSideEffect,
105 SDNPOptInGlue, SDNPOutGlue]>;
106 def ARMcopystructbyval : SDNode<"ARMISD::COPY_STRUCT_BYVAL" ,
108 [SDNPHasChain, SDNPInGlue, SDNPOutGlue,
109 SDNPMayStore, SDNPMayLoad]>;
111 def ARMcall : SDNode<"ARMISD::CALL", SDT_ARMcall,
112 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
114 def ARMcall_pred : SDNode<"ARMISD::CALL_PRED", SDT_ARMcall,
115 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
117 def ARMcall_nolink : SDNode<"ARMISD::CALL_NOLINK", SDT_ARMcall,
118 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
121 def ARMretflag : SDNode<"ARMISD::RET_FLAG", SDTNone,
122 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
123 def ARMintretflag : SDNode<"ARMISD::INTRET_FLAG", SDT_ARMcall,
124 [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 HasV6M : Predicate<"Subtarget->hasV6MOps()">,
196 AssemblerPredicate<"HasV6MOps",
197 "armv6m or armv6t2">;
198 def HasV6T2 : Predicate<"Subtarget->hasV6T2Ops()">,
199 AssemblerPredicate<"HasV6T2Ops", "armv6t2">;
200 def NoV6T2 : Predicate<"!Subtarget->hasV6T2Ops()">;
201 def HasV7 : Predicate<"Subtarget->hasV7Ops()">,
202 AssemblerPredicate<"HasV7Ops", "armv7">;
203 def HasV8 : Predicate<"Subtarget->hasV8Ops()">,
204 AssemblerPredicate<"HasV8Ops", "armv8">;
205 def PreV8 : Predicate<"!Subtarget->hasV8Ops()">,
206 AssemblerPredicate<"!HasV8Ops", "armv7 or earlier">;
207 def NoVFP : Predicate<"!Subtarget->hasVFP2()">;
208 def HasVFP2 : Predicate<"Subtarget->hasVFP2()">,
209 AssemblerPredicate<"FeatureVFP2", "VFP2">;
210 def HasVFP3 : Predicate<"Subtarget->hasVFP3()">,
211 AssemblerPredicate<"FeatureVFP3", "VFP3">;
212 def HasVFP4 : Predicate<"Subtarget->hasVFP4()">,
213 AssemblerPredicate<"FeatureVFP4", "VFP4">;
214 def HasDPVFP : Predicate<"!Subtarget->isFPOnlySP()">,
215 AssemblerPredicate<"!FeatureVFPOnlySP",
216 "double precision VFP">;
217 def HasFPARMv8 : Predicate<"Subtarget->hasFPARMv8()">,
218 AssemblerPredicate<"FeatureFPARMv8", "FPARMv8">;
219 def HasNEON : Predicate<"Subtarget->hasNEON()">,
220 AssemblerPredicate<"FeatureNEON", "NEON">;
221 def HasCrypto : Predicate<"Subtarget->hasCrypto()">,
222 AssemblerPredicate<"FeatureCrypto", "crypto">;
223 def HasCRC : Predicate<"Subtarget->hasCRC()">,
224 AssemblerPredicate<"FeatureCRC", "crc">;
225 def HasFP16 : Predicate<"Subtarget->hasFP16()">,
226 AssemblerPredicate<"FeatureFP16","half-float">;
227 def HasDivide : Predicate<"Subtarget->hasDivide()">,
228 AssemblerPredicate<"FeatureHWDiv", "divide in THUMB">;
229 def HasDivideInARM : Predicate<"Subtarget->hasDivideInARMMode()">,
230 AssemblerPredicate<"FeatureHWDivARM", "divide in ARM">;
231 def HasT2ExtractPack : Predicate<"Subtarget->hasT2ExtractPack()">,
232 AssemblerPredicate<"FeatureT2XtPk",
234 def HasThumb2DSP : Predicate<"Subtarget->hasThumb2DSP()">,
235 AssemblerPredicate<"FeatureDSPThumb2",
237 def HasDB : Predicate<"Subtarget->hasDataBarrier()">,
238 AssemblerPredicate<"FeatureDB",
240 def HasMP : Predicate<"Subtarget->hasMPExtension()">,
241 AssemblerPredicate<"FeatureMP",
243 def HasTrustZone : Predicate<"Subtarget->hasTrustZone()">,
244 AssemblerPredicate<"FeatureTrustZone",
246 def UseNEONForFP : Predicate<"Subtarget->useNEONForSinglePrecisionFP()">;
247 def DontUseNEONForFP : Predicate<"!Subtarget->useNEONForSinglePrecisionFP()">;
248 def IsThumb : Predicate<"Subtarget->isThumb()">,
249 AssemblerPredicate<"ModeThumb", "thumb">;
250 def IsThumb1Only : Predicate<"Subtarget->isThumb1Only()">;
251 def IsThumb2 : Predicate<"Subtarget->isThumb2()">,
252 AssemblerPredicate<"ModeThumb,FeatureThumb2",
254 def IsMClass : Predicate<"Subtarget->isMClass()">,
255 AssemblerPredicate<"FeatureMClass", "armv*m">;
256 def IsNotMClass : Predicate<"!Subtarget->isMClass()">,
257 AssemblerPredicate<"!FeatureMClass",
259 def IsARM : Predicate<"!Subtarget->isThumb()">,
260 AssemblerPredicate<"!ModeThumb", "arm-mode">;
261 def IsIOS : Predicate<"Subtarget->isTargetIOS()">;
262 def IsNotIOS : Predicate<"!Subtarget->isTargetIOS()">;
263 def IsMachO : Predicate<"Subtarget->isTargetMachO()">;
264 def IsNotMachO : Predicate<"!Subtarget->isTargetMachO()">;
265 def IsNaCl : Predicate<"Subtarget->isTargetNaCl()">;
266 def UseNaClTrap : Predicate<"Subtarget->useNaClTrap()">,
267 AssemblerPredicate<"FeatureNaClTrap", "NaCl">;
268 def DontUseNaClTrap : Predicate<"!Subtarget->useNaClTrap()">;
270 // FIXME: Eventually this will be just "hasV6T2Ops".
271 def UseMovt : Predicate<"Subtarget->useMovt()">;
272 def DontUseMovt : Predicate<"!Subtarget->useMovt()">;
273 def UseFPVMLx : Predicate<"Subtarget->useFPVMLx()">;
274 def UseMulOps : Predicate<"Subtarget->useMulOps()">;
276 // Prefer fused MAC for fp mul + add over fp VMLA / VMLS if they are available.
277 // But only select them if more precision in FP computation is allowed.
278 // Do not use them for Darwin platforms.
279 def UseFusedMAC : Predicate<"(TM.Options.AllowFPOpFusion =="
280 " FPOpFusion::Fast && "
281 " Subtarget->hasVFP4()) && "
282 "!Subtarget->isTargetDarwin()">;
283 def DontUseFusedMAC : Predicate<"!(TM.Options.AllowFPOpFusion =="
284 " FPOpFusion::Fast &&"
285 " Subtarget->hasVFP4()) || "
286 "Subtarget->isTargetDarwin()">;
288 // VGETLNi32 is microcoded on Swift - prefer VMOV.
289 def HasFastVGETLNi32 : Predicate<"!Subtarget->isSwift()">;
290 def HasSlowVGETLNi32 : Predicate<"Subtarget->isSwift()">;
292 // VDUP.32 is microcoded on Swift - prefer VMOV.
293 def HasFastVDUP32 : Predicate<"!Subtarget->isSwift()">;
294 def HasSlowVDUP32 : Predicate<"Subtarget->isSwift()">;
296 // Cortex-A9 prefers VMOVSR to VMOVDRR even when using NEON for scalar FP, as
297 // this allows more effective execution domain optimization. See
298 // setExecutionDomain().
299 def UseVMOVSR : Predicate<"Subtarget->isCortexA9() || !Subtarget->useNEONForSinglePrecisionFP()">;
300 def DontUseVMOVSR : Predicate<"!Subtarget->isCortexA9() && Subtarget->useNEONForSinglePrecisionFP()">;
302 def IsLE : Predicate<"getTargetLowering()->isLittleEndian()">;
303 def IsBE : Predicate<"getTargetLowering()->isBigEndian()">;
305 //===----------------------------------------------------------------------===//
306 // ARM Flag Definitions.
308 class RegConstraint<string C> {
309 string Constraints = C;
312 //===----------------------------------------------------------------------===//
313 // ARM specific transformation functions and pattern fragments.
316 // imm_neg_XFORM - Return the negation of an i32 immediate value.
317 def imm_neg_XFORM : SDNodeXForm<imm, [{
318 return CurDAG->getTargetConstant(-(int)N->getZExtValue(), MVT::i32);
321 // imm_not_XFORM - Return the complement of a i32 immediate value.
322 def imm_not_XFORM : SDNodeXForm<imm, [{
323 return CurDAG->getTargetConstant(~(int)N->getZExtValue(), MVT::i32);
326 /// imm16_31 predicate - True if the 32-bit immediate is in the range [16,31].
327 def imm16_31 : ImmLeaf<i32, [{
328 return (int32_t)Imm >= 16 && (int32_t)Imm < 32;
331 def so_imm_neg_asmoperand : AsmOperandClass { let Name = "ARMSOImmNeg"; }
332 def so_imm_neg : Operand<i32>, PatLeaf<(imm), [{
333 unsigned Value = -(unsigned)N->getZExtValue();
334 return Value && ARM_AM::getSOImmVal(Value) != -1;
336 let ParserMatchClass = so_imm_neg_asmoperand;
339 // Note: this pattern doesn't require an encoder method and such, as it's
340 // only used on aliases (Pat<> and InstAlias<>). The actual encoding
341 // is handled by the destination instructions, which use so_imm.
342 def so_imm_not_asmoperand : AsmOperandClass { let Name = "ARMSOImmNot"; }
343 def so_imm_not : Operand<i32>, PatLeaf<(imm), [{
344 return ARM_AM::getSOImmVal(~(uint32_t)N->getZExtValue()) != -1;
346 let ParserMatchClass = so_imm_not_asmoperand;
349 // sext_16_node predicate - True if the SDNode is sign-extended 16 or more bits.
350 def sext_16_node : PatLeaf<(i32 GPR:$a), [{
351 return CurDAG->ComputeNumSignBits(SDValue(N,0)) >= 17;
354 /// Split a 32-bit immediate into two 16 bit parts.
355 def hi16 : SDNodeXForm<imm, [{
356 return CurDAG->getTargetConstant((uint32_t)N->getZExtValue() >> 16, MVT::i32);
359 def lo16AllZero : PatLeaf<(i32 imm), [{
360 // Returns true if all low 16-bits are 0.
361 return (((uint32_t)N->getZExtValue()) & 0xFFFFUL) == 0;
364 class BinOpWithFlagFrag<dag res> :
365 PatFrag<(ops node:$LHS, node:$RHS, node:$FLAG), res>;
366 class BinOpFrag<dag res> : PatFrag<(ops node:$LHS, node:$RHS), res>;
367 class UnOpFrag <dag res> : PatFrag<(ops node:$Src), res>;
369 // An 'and' node with a single use.
370 def and_su : PatFrag<(ops node:$lhs, node:$rhs), (and node:$lhs, node:$rhs), [{
371 return N->hasOneUse();
374 // An 'xor' node with a single use.
375 def xor_su : PatFrag<(ops node:$lhs, node:$rhs), (xor node:$lhs, node:$rhs), [{
376 return N->hasOneUse();
379 // An 'fmul' node with a single use.
380 def fmul_su : PatFrag<(ops node:$lhs, node:$rhs), (fmul node:$lhs, node:$rhs),[{
381 return N->hasOneUse();
384 // An 'fadd' node which checks for single non-hazardous use.
385 def fadd_mlx : PatFrag<(ops node:$lhs, node:$rhs),(fadd node:$lhs, node:$rhs),[{
386 return hasNoVMLxHazardUse(N);
389 // An 'fsub' node which checks for single non-hazardous use.
390 def fsub_mlx : PatFrag<(ops node:$lhs, node:$rhs),(fsub node:$lhs, node:$rhs),[{
391 return hasNoVMLxHazardUse(N);
394 //===----------------------------------------------------------------------===//
395 // Operand Definitions.
398 // Immediate operands with a shared generic asm render method.
399 class ImmAsmOperand : AsmOperandClass { let RenderMethod = "addImmOperands"; }
402 // FIXME: rename brtarget to t2_brtarget
403 def brtarget : Operand<OtherVT> {
404 let EncoderMethod = "getBranchTargetOpValue";
405 let OperandType = "OPERAND_PCREL";
406 let DecoderMethod = "DecodeT2BROperand";
409 // FIXME: get rid of this one?
410 def uncondbrtarget : Operand<OtherVT> {
411 let EncoderMethod = "getUnconditionalBranchTargetOpValue";
412 let OperandType = "OPERAND_PCREL";
415 // Branch target for ARM. Handles conditional/unconditional
416 def br_target : Operand<OtherVT> {
417 let EncoderMethod = "getARMBranchTargetOpValue";
418 let OperandType = "OPERAND_PCREL";
422 // FIXME: rename bltarget to t2_bl_target?
423 def bltarget : Operand<i32> {
424 // Encoded the same as branch targets.
425 let EncoderMethod = "getBranchTargetOpValue";
426 let OperandType = "OPERAND_PCREL";
429 // Call target for ARM. Handles conditional/unconditional
430 // FIXME: rename bl_target to t2_bltarget?
431 def bl_target : Operand<i32> {
432 let EncoderMethod = "getARMBLTargetOpValue";
433 let OperandType = "OPERAND_PCREL";
436 def blx_target : Operand<i32> {
437 let EncoderMethod = "getARMBLXTargetOpValue";
438 let OperandType = "OPERAND_PCREL";
441 // A list of registers separated by comma. Used by load/store multiple.
442 def RegListAsmOperand : AsmOperandClass { let Name = "RegList"; }
443 def reglist : Operand<i32> {
444 let EncoderMethod = "getRegisterListOpValue";
445 let ParserMatchClass = RegListAsmOperand;
446 let PrintMethod = "printRegisterList";
447 let DecoderMethod = "DecodeRegListOperand";
450 def GPRPairOp : RegisterOperand<GPRPair, "printGPRPairOperand">;
452 def DPRRegListAsmOperand : AsmOperandClass { let Name = "DPRRegList"; }
453 def dpr_reglist : Operand<i32> {
454 let EncoderMethod = "getRegisterListOpValue";
455 let ParserMatchClass = DPRRegListAsmOperand;
456 let PrintMethod = "printRegisterList";
457 let DecoderMethod = "DecodeDPRRegListOperand";
460 def SPRRegListAsmOperand : AsmOperandClass { let Name = "SPRRegList"; }
461 def spr_reglist : Operand<i32> {
462 let EncoderMethod = "getRegisterListOpValue";
463 let ParserMatchClass = SPRRegListAsmOperand;
464 let PrintMethod = "printRegisterList";
465 let DecoderMethod = "DecodeSPRRegListOperand";
468 // An operand for the CONSTPOOL_ENTRY pseudo-instruction.
469 def cpinst_operand : Operand<i32> {
470 let PrintMethod = "printCPInstOperand";
474 def pclabel : Operand<i32> {
475 let PrintMethod = "printPCLabel";
478 // ADR instruction labels.
479 def AdrLabelAsmOperand : AsmOperandClass { let Name = "AdrLabel"; }
480 def adrlabel : Operand<i32> {
481 let EncoderMethod = "getAdrLabelOpValue";
482 let ParserMatchClass = AdrLabelAsmOperand;
483 let PrintMethod = "printAdrLabelOperand<0>";
486 def neon_vcvt_imm32 : Operand<i32> {
487 let EncoderMethod = "getNEONVcvtImm32OpValue";
488 let DecoderMethod = "DecodeVCVTImmOperand";
491 // rot_imm: An integer that encodes a rotate amount. Must be 8, 16, or 24.
492 def rot_imm_XFORM: SDNodeXForm<imm, [{
493 switch (N->getZExtValue()){
495 case 0: return CurDAG->getTargetConstant(0, MVT::i32);
496 case 8: return CurDAG->getTargetConstant(1, MVT::i32);
497 case 16: return CurDAG->getTargetConstant(2, MVT::i32);
498 case 24: return CurDAG->getTargetConstant(3, MVT::i32);
501 def RotImmAsmOperand : AsmOperandClass {
503 let ParserMethod = "parseRotImm";
505 def rot_imm : Operand<i32>, PatLeaf<(i32 imm), [{
506 int32_t v = N->getZExtValue();
507 return v == 8 || v == 16 || v == 24; }],
509 let PrintMethod = "printRotImmOperand";
510 let ParserMatchClass = RotImmAsmOperand;
513 // shift_imm: An integer that encodes a shift amount and the type of shift
514 // (asr or lsl). The 6-bit immediate encodes as:
517 // {4-0} imm5 shift amount.
518 // asr #32 encoded as imm5 == 0.
519 def ShifterImmAsmOperand : AsmOperandClass {
520 let Name = "ShifterImm";
521 let ParserMethod = "parseShifterImm";
523 def shift_imm : Operand<i32> {
524 let PrintMethod = "printShiftImmOperand";
525 let ParserMatchClass = ShifterImmAsmOperand;
528 // shifter_operand operands: so_reg_reg, so_reg_imm, and so_imm.
529 def ShiftedRegAsmOperand : AsmOperandClass { let Name = "RegShiftedReg"; }
530 def so_reg_reg : Operand<i32>, // reg reg imm
531 ComplexPattern<i32, 3, "SelectRegShifterOperand",
532 [shl, srl, sra, rotr]> {
533 let EncoderMethod = "getSORegRegOpValue";
534 let PrintMethod = "printSORegRegOperand";
535 let DecoderMethod = "DecodeSORegRegOperand";
536 let ParserMatchClass = ShiftedRegAsmOperand;
537 let MIOperandInfo = (ops GPRnopc, GPRnopc, i32imm);
540 def ShiftedImmAsmOperand : AsmOperandClass { let Name = "RegShiftedImm"; }
541 def so_reg_imm : Operand<i32>, // reg imm
542 ComplexPattern<i32, 2, "SelectImmShifterOperand",
543 [shl, srl, sra, rotr]> {
544 let EncoderMethod = "getSORegImmOpValue";
545 let PrintMethod = "printSORegImmOperand";
546 let DecoderMethod = "DecodeSORegImmOperand";
547 let ParserMatchClass = ShiftedImmAsmOperand;
548 let MIOperandInfo = (ops GPR, i32imm);
551 // FIXME: Does this need to be distinct from so_reg?
552 def shift_so_reg_reg : Operand<i32>, // reg reg imm
553 ComplexPattern<i32, 3, "SelectShiftRegShifterOperand",
554 [shl,srl,sra,rotr]> {
555 let EncoderMethod = "getSORegRegOpValue";
556 let PrintMethod = "printSORegRegOperand";
557 let DecoderMethod = "DecodeSORegRegOperand";
558 let ParserMatchClass = ShiftedRegAsmOperand;
559 let MIOperandInfo = (ops GPR, GPR, i32imm);
562 // FIXME: Does this need to be distinct from so_reg?
563 def shift_so_reg_imm : Operand<i32>, // reg reg imm
564 ComplexPattern<i32, 2, "SelectShiftImmShifterOperand",
565 [shl,srl,sra,rotr]> {
566 let EncoderMethod = "getSORegImmOpValue";
567 let PrintMethod = "printSORegImmOperand";
568 let DecoderMethod = "DecodeSORegImmOperand";
569 let ParserMatchClass = ShiftedImmAsmOperand;
570 let MIOperandInfo = (ops GPR, i32imm);
574 // so_imm - Match a 32-bit shifter_operand immediate operand, which is an
575 // 8-bit immediate rotated by an arbitrary number of bits.
576 def SOImmAsmOperand: ImmAsmOperand { let Name = "ARMSOImm"; }
577 def so_imm : Operand<i32>, ImmLeaf<i32, [{
578 return ARM_AM::getSOImmVal(Imm) != -1;
580 let EncoderMethod = "getSOImmOpValue";
581 let ParserMatchClass = SOImmAsmOperand;
582 let DecoderMethod = "DecodeSOImmOperand";
585 // Break so_imm's up into two pieces. This handles immediates with up to 16
586 // bits set in them. This uses so_imm2part to match and so_imm2part_[12] to
587 // get the first/second pieces.
588 def so_imm2part : PatLeaf<(imm), [{
589 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
592 /// arm_i32imm - True for +V6T2, or true only if so_imm2part is true.
594 def arm_i32imm : PatLeaf<(imm), [{
595 if (Subtarget->hasV6T2Ops())
597 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
600 /// imm0_1 predicate - Immediate in the range [0,1].
601 def Imm0_1AsmOperand: ImmAsmOperand { let Name = "Imm0_1"; }
602 def imm0_1 : Operand<i32> { let ParserMatchClass = Imm0_1AsmOperand; }
604 /// imm0_3 predicate - Immediate in the range [0,3].
605 def Imm0_3AsmOperand: ImmAsmOperand { let Name = "Imm0_3"; }
606 def imm0_3 : Operand<i32> { let ParserMatchClass = Imm0_3AsmOperand; }
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_239 predicate - Immediate in the range [0,239].
688 def Imm0_239AsmOperand : ImmAsmOperand {
689 let Name = "Imm0_239";
690 let DiagnosticType = "ImmRange0_239";
692 def imm0_239 : Operand<i32>, ImmLeaf<i32, [{ return Imm >= 0 && Imm < 240; }]> {
693 let ParserMatchClass = Imm0_239AsmOperand;
696 /// imm0_255 predicate - Immediate in the range [0,255].
697 def Imm0_255AsmOperand : ImmAsmOperand { let Name = "Imm0_255"; }
698 def imm0_255 : Operand<i32>, ImmLeaf<i32, [{ return Imm >= 0 && Imm < 256; }]> {
699 let ParserMatchClass = Imm0_255AsmOperand;
702 /// imm0_65535 - An immediate is in the range [0.65535].
703 def Imm0_65535AsmOperand: ImmAsmOperand { let Name = "Imm0_65535"; }
704 def imm0_65535 : Operand<i32>, ImmLeaf<i32, [{
705 return Imm >= 0 && Imm < 65536;
707 let ParserMatchClass = Imm0_65535AsmOperand;
710 // imm0_65535_neg - An immediate whose negative value is in the range [0.65535].
711 def imm0_65535_neg : Operand<i32>, ImmLeaf<i32, [{
712 return -Imm >= 0 && -Imm < 65536;
715 // imm0_65535_expr - For movt/movw - 16-bit immediate that can also reference
716 // a relocatable expression.
718 // FIXME: This really needs a Thumb version separate from the ARM version.
719 // While the range is the same, and can thus use the same match class,
720 // the encoding is different so it should have a different encoder method.
721 def Imm0_65535ExprAsmOperand: ImmAsmOperand { let Name = "Imm0_65535Expr"; }
722 def imm0_65535_expr : Operand<i32> {
723 let EncoderMethod = "getHiLo16ImmOpValue";
724 let ParserMatchClass = Imm0_65535ExprAsmOperand;
727 def Imm256_65535ExprAsmOperand: ImmAsmOperand { let Name = "Imm256_65535Expr"; }
728 def imm256_65535_expr : Operand<i32> {
729 let ParserMatchClass = Imm256_65535ExprAsmOperand;
732 /// imm24b - True if the 32-bit immediate is encodable in 24 bits.
733 def Imm24bitAsmOperand: ImmAsmOperand { let Name = "Imm24bit"; }
734 def imm24b : Operand<i32>, ImmLeaf<i32, [{
735 return Imm >= 0 && Imm <= 0xffffff;
737 let ParserMatchClass = Imm24bitAsmOperand;
741 /// bf_inv_mask_imm predicate - An AND mask to clear an arbitrary width bitfield
743 def BitfieldAsmOperand : AsmOperandClass {
744 let Name = "Bitfield";
745 let ParserMethod = "parseBitfield";
748 def bf_inv_mask_imm : Operand<i32>,
750 return ARM::isBitFieldInvertedMask(N->getZExtValue());
752 let EncoderMethod = "getBitfieldInvertedMaskOpValue";
753 let PrintMethod = "printBitfieldInvMaskImmOperand";
754 let DecoderMethod = "DecodeBitfieldMaskOperand";
755 let ParserMatchClass = BitfieldAsmOperand;
758 def imm1_32_XFORM: SDNodeXForm<imm, [{
759 return CurDAG->getTargetConstant((int)N->getZExtValue() - 1, MVT::i32);
761 def Imm1_32AsmOperand: AsmOperandClass { let Name = "Imm1_32"; }
762 def imm1_32 : Operand<i32>, PatLeaf<(imm), [{
763 uint64_t Imm = N->getZExtValue();
764 return Imm > 0 && Imm <= 32;
767 let PrintMethod = "printImmPlusOneOperand";
768 let ParserMatchClass = Imm1_32AsmOperand;
771 def imm1_16_XFORM: SDNodeXForm<imm, [{
772 return CurDAG->getTargetConstant((int)N->getZExtValue() - 1, MVT::i32);
774 def Imm1_16AsmOperand: AsmOperandClass { let Name = "Imm1_16"; }
775 def imm1_16 : Operand<i32>, PatLeaf<(imm), [{ return Imm > 0 && Imm <= 16; }],
777 let PrintMethod = "printImmPlusOneOperand";
778 let ParserMatchClass = Imm1_16AsmOperand;
781 // Define ARM specific addressing modes.
782 // addrmode_imm12 := reg +/- imm12
784 def MemImm12OffsetAsmOperand : AsmOperandClass { let Name = "MemImm12Offset"; }
785 class AddrMode_Imm12 : Operand<i32>,
786 ComplexPattern<i32, 2, "SelectAddrModeImm12", []> {
787 // 12-bit immediate operand. Note that instructions using this encode
788 // #0 and #-0 differently. We flag #-0 as the magic value INT32_MIN. All other
789 // immediate values are as normal.
791 let EncoderMethod = "getAddrModeImm12OpValue";
792 let DecoderMethod = "DecodeAddrModeImm12Operand";
793 let ParserMatchClass = MemImm12OffsetAsmOperand;
794 let MIOperandInfo = (ops GPR:$base, i32imm:$offsimm);
797 def addrmode_imm12 : AddrMode_Imm12 {
798 let PrintMethod = "printAddrModeImm12Operand<false>";
801 def addrmode_imm12_pre : AddrMode_Imm12 {
802 let PrintMethod = "printAddrModeImm12Operand<true>";
805 // ldst_so_reg := reg +/- reg shop imm
807 def MemRegOffsetAsmOperand : AsmOperandClass { let Name = "MemRegOffset"; }
808 def ldst_so_reg : Operand<i32>,
809 ComplexPattern<i32, 3, "SelectLdStSOReg", []> {
810 let EncoderMethod = "getLdStSORegOpValue";
811 // FIXME: Simplify the printer
812 let PrintMethod = "printAddrMode2Operand";
813 let DecoderMethod = "DecodeSORegMemOperand";
814 let ParserMatchClass = MemRegOffsetAsmOperand;
815 let MIOperandInfo = (ops GPR:$base, GPRnopc:$offsreg, i32imm:$shift);
818 // postidx_imm8 := +/- [0,255]
821 // {8} 1 is imm8 is non-negative. 0 otherwise.
822 // {7-0} [0,255] imm8 value.
823 def PostIdxImm8AsmOperand : AsmOperandClass { let Name = "PostIdxImm8"; }
824 def postidx_imm8 : Operand<i32> {
825 let PrintMethod = "printPostIdxImm8Operand";
826 let ParserMatchClass = PostIdxImm8AsmOperand;
827 let MIOperandInfo = (ops i32imm);
830 // postidx_imm8s4 := +/- [0,1020]
833 // {8} 1 is imm8 is non-negative. 0 otherwise.
834 // {7-0} [0,255] imm8 value, scaled by 4.
835 def PostIdxImm8s4AsmOperand : AsmOperandClass { let Name = "PostIdxImm8s4"; }
836 def postidx_imm8s4 : Operand<i32> {
837 let PrintMethod = "printPostIdxImm8s4Operand";
838 let ParserMatchClass = PostIdxImm8s4AsmOperand;
839 let MIOperandInfo = (ops i32imm);
843 // postidx_reg := +/- reg
845 def PostIdxRegAsmOperand : AsmOperandClass {
846 let Name = "PostIdxReg";
847 let ParserMethod = "parsePostIdxReg";
849 def postidx_reg : Operand<i32> {
850 let EncoderMethod = "getPostIdxRegOpValue";
851 let DecoderMethod = "DecodePostIdxReg";
852 let PrintMethod = "printPostIdxRegOperand";
853 let ParserMatchClass = PostIdxRegAsmOperand;
854 let MIOperandInfo = (ops GPRnopc, i32imm);
858 // addrmode2 := reg +/- imm12
859 // := reg +/- reg shop imm
861 // FIXME: addrmode2 should be refactored the rest of the way to always
862 // use explicit imm vs. reg versions above (addrmode_imm12 and ldst_so_reg).
863 def AddrMode2AsmOperand : AsmOperandClass { let Name = "AddrMode2"; }
864 def addrmode2 : Operand<i32>,
865 ComplexPattern<i32, 3, "SelectAddrMode2", []> {
866 let EncoderMethod = "getAddrMode2OpValue";
867 let PrintMethod = "printAddrMode2Operand";
868 let ParserMatchClass = AddrMode2AsmOperand;
869 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
872 def PostIdxRegShiftedAsmOperand : AsmOperandClass {
873 let Name = "PostIdxRegShifted";
874 let ParserMethod = "parsePostIdxReg";
876 def am2offset_reg : Operand<i32>,
877 ComplexPattern<i32, 2, "SelectAddrMode2OffsetReg",
878 [], [SDNPWantRoot]> {
879 let EncoderMethod = "getAddrMode2OffsetOpValue";
880 let PrintMethod = "printAddrMode2OffsetOperand";
881 // When using this for assembly, it's always as a post-index offset.
882 let ParserMatchClass = PostIdxRegShiftedAsmOperand;
883 let MIOperandInfo = (ops GPRnopc, i32imm);
886 // FIXME: am2offset_imm should only need the immediate, not the GPR. Having
887 // the GPR is purely vestigal at this point.
888 def AM2OffsetImmAsmOperand : AsmOperandClass { let Name = "AM2OffsetImm"; }
889 def am2offset_imm : Operand<i32>,
890 ComplexPattern<i32, 2, "SelectAddrMode2OffsetImm",
891 [], [SDNPWantRoot]> {
892 let EncoderMethod = "getAddrMode2OffsetOpValue";
893 let PrintMethod = "printAddrMode2OffsetOperand";
894 let ParserMatchClass = AM2OffsetImmAsmOperand;
895 let MIOperandInfo = (ops GPRnopc, i32imm);
899 // addrmode3 := reg +/- reg
900 // addrmode3 := reg +/- imm8
902 // FIXME: split into imm vs. reg versions.
903 def AddrMode3AsmOperand : AsmOperandClass { let Name = "AddrMode3"; }
904 class AddrMode3 : Operand<i32>,
905 ComplexPattern<i32, 3, "SelectAddrMode3", []> {
906 let EncoderMethod = "getAddrMode3OpValue";
907 let ParserMatchClass = AddrMode3AsmOperand;
908 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
911 def addrmode3 : AddrMode3
913 let PrintMethod = "printAddrMode3Operand<false>";
916 def addrmode3_pre : AddrMode3
918 let PrintMethod = "printAddrMode3Operand<true>";
921 // FIXME: split into imm vs. reg versions.
922 // FIXME: parser method to handle +/- register.
923 def AM3OffsetAsmOperand : AsmOperandClass {
924 let Name = "AM3Offset";
925 let ParserMethod = "parseAM3Offset";
927 def am3offset : Operand<i32>,
928 ComplexPattern<i32, 2, "SelectAddrMode3Offset",
929 [], [SDNPWantRoot]> {
930 let EncoderMethod = "getAddrMode3OffsetOpValue";
931 let PrintMethod = "printAddrMode3OffsetOperand";
932 let ParserMatchClass = AM3OffsetAsmOperand;
933 let MIOperandInfo = (ops GPR, i32imm);
936 // ldstm_mode := {ia, ib, da, db}
938 def ldstm_mode : OptionalDefOperand<OtherVT, (ops i32), (ops (i32 1))> {
939 let EncoderMethod = "getLdStmModeOpValue";
940 let PrintMethod = "printLdStmModeOperand";
943 // addrmode5 := reg +/- imm8*4
945 def AddrMode5AsmOperand : AsmOperandClass { let Name = "AddrMode5"; }
946 class AddrMode5 : Operand<i32>,
947 ComplexPattern<i32, 2, "SelectAddrMode5", []> {
948 let EncoderMethod = "getAddrMode5OpValue";
949 let DecoderMethod = "DecodeAddrMode5Operand";
950 let ParserMatchClass = AddrMode5AsmOperand;
951 let MIOperandInfo = (ops GPR:$base, i32imm);
954 def addrmode5 : AddrMode5 {
955 let PrintMethod = "printAddrMode5Operand<false>";
958 def addrmode5_pre : AddrMode5 {
959 let PrintMethod = "printAddrMode5Operand<true>";
962 // addrmode6 := reg with optional alignment
964 def AddrMode6AsmOperand : AsmOperandClass { let Name = "AlignedMemory"; }
965 def addrmode6 : Operand<i32>,
966 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
967 let PrintMethod = "printAddrMode6Operand";
968 let MIOperandInfo = (ops GPR:$addr, i32imm:$align);
969 let EncoderMethod = "getAddrMode6AddressOpValue";
970 let DecoderMethod = "DecodeAddrMode6Operand";
971 let ParserMatchClass = AddrMode6AsmOperand;
974 def am6offset : Operand<i32>,
975 ComplexPattern<i32, 1, "SelectAddrMode6Offset",
976 [], [SDNPWantRoot]> {
977 let PrintMethod = "printAddrMode6OffsetOperand";
978 let MIOperandInfo = (ops GPR);
979 let EncoderMethod = "getAddrMode6OffsetOpValue";
980 let DecoderMethod = "DecodeGPRRegisterClass";
983 // Special version of addrmode6 to handle alignment encoding for VST1/VLD1
984 // (single element from one lane) for size 32.
985 def addrmode6oneL32 : Operand<i32>,
986 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
987 let PrintMethod = "printAddrMode6Operand";
988 let MIOperandInfo = (ops GPR:$addr, i32imm);
989 let EncoderMethod = "getAddrMode6OneLane32AddressOpValue";
992 // Special version of addrmode6 to handle alignment encoding for VLD-dup
993 // instructions, specifically VLD4-dup.
994 def addrmode6dup : Operand<i32>,
995 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
996 let PrintMethod = "printAddrMode6Operand";
997 let MIOperandInfo = (ops GPR:$addr, i32imm);
998 let EncoderMethod = "getAddrMode6DupAddressOpValue";
999 // FIXME: This is close, but not quite right. The alignment specifier is
1001 let ParserMatchClass = AddrMode6AsmOperand;
1004 // addrmodepc := pc + reg
1006 def addrmodepc : Operand<i32>,
1007 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
1008 let PrintMethod = "printAddrModePCOperand";
1009 let MIOperandInfo = (ops GPR, i32imm);
1012 // addr_offset_none := reg
1014 def MemNoOffsetAsmOperand : AsmOperandClass { let Name = "MemNoOffset"; }
1015 def addr_offset_none : Operand<i32>,
1016 ComplexPattern<i32, 1, "SelectAddrOffsetNone", []> {
1017 let PrintMethod = "printAddrMode7Operand";
1018 let DecoderMethod = "DecodeAddrMode7Operand";
1019 let ParserMatchClass = MemNoOffsetAsmOperand;
1020 let MIOperandInfo = (ops GPR:$base);
1023 def nohash_imm : Operand<i32> {
1024 let PrintMethod = "printNoHashImmediate";
1027 def CoprocNumAsmOperand : AsmOperandClass {
1028 let Name = "CoprocNum";
1029 let ParserMethod = "parseCoprocNumOperand";
1031 def p_imm : Operand<i32> {
1032 let PrintMethod = "printPImmediate";
1033 let ParserMatchClass = CoprocNumAsmOperand;
1034 let DecoderMethod = "DecodeCoprocessor";
1037 def CoprocRegAsmOperand : AsmOperandClass {
1038 let Name = "CoprocReg";
1039 let ParserMethod = "parseCoprocRegOperand";
1041 def c_imm : Operand<i32> {
1042 let PrintMethod = "printCImmediate";
1043 let ParserMatchClass = CoprocRegAsmOperand;
1045 def CoprocOptionAsmOperand : AsmOperandClass {
1046 let Name = "CoprocOption";
1047 let ParserMethod = "parseCoprocOptionOperand";
1049 def coproc_option_imm : Operand<i32> {
1050 let PrintMethod = "printCoprocOptionImm";
1051 let ParserMatchClass = CoprocOptionAsmOperand;
1054 //===----------------------------------------------------------------------===//
1056 include "ARMInstrFormats.td"
1058 //===----------------------------------------------------------------------===//
1059 // Multiclass helpers...
1062 /// AsI1_bin_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns for a
1063 /// binop that produces a value.
1064 let TwoOperandAliasConstraint = "$Rn = $Rd" in
1065 multiclass AsI1_bin_irs<bits<4> opcod, string opc,
1066 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
1067 PatFrag opnode, bit Commutable = 0> {
1068 // The register-immediate version is re-materializable. This is useful
1069 // in particular for taking the address of a local.
1070 let isReMaterializable = 1 in {
1071 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
1072 iii, opc, "\t$Rd, $Rn, $imm",
1073 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>,
1074 Sched<[WriteALU, ReadALU]> {
1079 let Inst{19-16} = Rn;
1080 let Inst{15-12} = Rd;
1081 let Inst{11-0} = imm;
1084 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
1085 iir, opc, "\t$Rd, $Rn, $Rm",
1086 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
1087 Sched<[WriteALU, ReadALU, ReadALU]> {
1092 let isCommutable = Commutable;
1093 let Inst{19-16} = Rn;
1094 let Inst{15-12} = Rd;
1095 let Inst{11-4} = 0b00000000;
1099 def rsi : AsI1<opcod, (outs GPR:$Rd),
1100 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm,
1101 iis, opc, "\t$Rd, $Rn, $shift",
1102 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_imm:$shift))]>,
1103 Sched<[WriteALUsi, ReadALU]> {
1108 let Inst{19-16} = Rn;
1109 let Inst{15-12} = Rd;
1110 let Inst{11-5} = shift{11-5};
1112 let Inst{3-0} = shift{3-0};
1115 def rsr : AsI1<opcod, (outs GPR:$Rd),
1116 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm,
1117 iis, opc, "\t$Rd, $Rn, $shift",
1118 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_reg:$shift))]>,
1119 Sched<[WriteALUsr, ReadALUsr]> {
1124 let Inst{19-16} = Rn;
1125 let Inst{15-12} = Rd;
1126 let Inst{11-8} = shift{11-8};
1128 let Inst{6-5} = shift{6-5};
1130 let Inst{3-0} = shift{3-0};
1134 /// AsI1_rbin_irs - Same as AsI1_bin_irs except the order of operands are
1135 /// reversed. The 'rr' form is only defined for the disassembler; for codegen
1136 /// it is equivalent to the AsI1_bin_irs counterpart.
1137 let TwoOperandAliasConstraint = "$Rn = $Rd" in
1138 multiclass AsI1_rbin_irs<bits<4> opcod, string opc,
1139 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
1140 PatFrag opnode, bit Commutable = 0> {
1141 // The register-immediate version is re-materializable. This is useful
1142 // in particular for taking the address of a local.
1143 let isReMaterializable = 1 in {
1144 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
1145 iii, opc, "\t$Rd, $Rn, $imm",
1146 [(set GPR:$Rd, (opnode so_imm:$imm, GPR:$Rn))]>,
1147 Sched<[WriteALU, ReadALU]> {
1152 let Inst{19-16} = Rn;
1153 let Inst{15-12} = Rd;
1154 let Inst{11-0} = imm;
1157 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
1158 iir, opc, "\t$Rd, $Rn, $Rm",
1159 [/* pattern left blank */]>,
1160 Sched<[WriteALU, ReadALU, ReadALU]> {
1164 let Inst{11-4} = 0b00000000;
1167 let Inst{15-12} = Rd;
1168 let Inst{19-16} = Rn;
1171 def rsi : AsI1<opcod, (outs GPR:$Rd),
1172 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm,
1173 iis, opc, "\t$Rd, $Rn, $shift",
1174 [(set GPR:$Rd, (opnode so_reg_imm:$shift, GPR:$Rn))]>,
1175 Sched<[WriteALUsi, ReadALU]> {
1180 let Inst{19-16} = Rn;
1181 let Inst{15-12} = Rd;
1182 let Inst{11-5} = shift{11-5};
1184 let Inst{3-0} = shift{3-0};
1187 def rsr : AsI1<opcod, (outs GPR:$Rd),
1188 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm,
1189 iis, opc, "\t$Rd, $Rn, $shift",
1190 [(set GPR:$Rd, (opnode so_reg_reg:$shift, GPR:$Rn))]>,
1191 Sched<[WriteALUsr, ReadALUsr]> {
1196 let Inst{19-16} = Rn;
1197 let Inst{15-12} = Rd;
1198 let Inst{11-8} = shift{11-8};
1200 let Inst{6-5} = shift{6-5};
1202 let Inst{3-0} = shift{3-0};
1206 /// AsI1_bin_s_irs - Same as AsI1_bin_irs except it sets the 's' bit by default.
1208 /// These opcodes will be converted to the real non-S opcodes by
1209 /// AdjustInstrPostInstrSelection after giving them an optional CPSR operand.
1210 let hasPostISelHook = 1, Defs = [CPSR] in {
1211 multiclass AsI1_bin_s_irs<InstrItinClass iii, InstrItinClass iir,
1212 InstrItinClass iis, PatFrag opnode,
1213 bit Commutable = 0> {
1214 def ri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm, pred:$p),
1216 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, so_imm:$imm))]>,
1217 Sched<[WriteALU, ReadALU]>;
1219 def rr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, pred:$p),
1221 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, GPR:$Rm))]>,
1222 Sched<[WriteALU, ReadALU, ReadALU]> {
1223 let isCommutable = Commutable;
1225 def rsi : ARMPseudoInst<(outs GPR:$Rd),
1226 (ins GPR:$Rn, so_reg_imm:$shift, pred:$p),
1228 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn,
1229 so_reg_imm:$shift))]>,
1230 Sched<[WriteALUsi, ReadALU]>;
1232 def rsr : ARMPseudoInst<(outs GPR:$Rd),
1233 (ins GPR:$Rn, so_reg_reg:$shift, pred:$p),
1235 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn,
1236 so_reg_reg:$shift))]>,
1237 Sched<[WriteALUSsr, ReadALUsr]>;
1241 /// AsI1_rbin_s_is - Same as AsI1_bin_s_irs, except selection DAG
1242 /// operands are reversed.
1243 let hasPostISelHook = 1, Defs = [CPSR] in {
1244 multiclass AsI1_rbin_s_is<InstrItinClass iii, InstrItinClass iir,
1245 InstrItinClass iis, PatFrag opnode,
1246 bit Commutable = 0> {
1247 def ri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm, pred:$p),
1249 [(set GPR:$Rd, CPSR, (opnode so_imm:$imm, GPR:$Rn))]>,
1250 Sched<[WriteALU, ReadALU]>;
1252 def rsi : ARMPseudoInst<(outs GPR:$Rd),
1253 (ins GPR:$Rn, so_reg_imm:$shift, pred:$p),
1255 [(set GPR:$Rd, CPSR, (opnode so_reg_imm:$shift,
1257 Sched<[WriteALUsi, ReadALU]>;
1259 def rsr : ARMPseudoInst<(outs GPR:$Rd),
1260 (ins GPR:$Rn, so_reg_reg:$shift, pred:$p),
1262 [(set GPR:$Rd, CPSR, (opnode so_reg_reg:$shift,
1264 Sched<[WriteALUSsr, ReadALUsr]>;
1268 /// AI1_cmp_irs - Defines a set of (op r, {so_imm|r|so_reg}) cmp / test
1269 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
1270 /// a explicit result, only implicitly set CPSR.
1271 let isCompare = 1, Defs = [CPSR] in {
1272 multiclass AI1_cmp_irs<bits<4> opcod, string opc,
1273 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
1274 PatFrag opnode, bit Commutable = 0> {
1275 def ri : AI1<opcod, (outs), (ins GPR:$Rn, so_imm:$imm), DPFrm, iii,
1277 [(opnode GPR:$Rn, so_imm:$imm)]>,
1278 Sched<[WriteCMP, ReadALU]> {
1283 let Inst{19-16} = Rn;
1284 let Inst{15-12} = 0b0000;
1285 let Inst{11-0} = imm;
1287 let Unpredictable{15-12} = 0b1111;
1289 def rr : AI1<opcod, (outs), (ins GPR:$Rn, GPR:$Rm), DPFrm, iir,
1291 [(opnode GPR:$Rn, GPR:$Rm)]>,
1292 Sched<[WriteCMP, ReadALU, ReadALU]> {
1295 let isCommutable = Commutable;
1298 let Inst{19-16} = Rn;
1299 let Inst{15-12} = 0b0000;
1300 let Inst{11-4} = 0b00000000;
1303 let Unpredictable{15-12} = 0b1111;
1305 def rsi : AI1<opcod, (outs),
1306 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm, iis,
1307 opc, "\t$Rn, $shift",
1308 [(opnode GPR:$Rn, so_reg_imm:$shift)]>,
1309 Sched<[WriteCMPsi, ReadALU]> {
1314 let Inst{19-16} = Rn;
1315 let Inst{15-12} = 0b0000;
1316 let Inst{11-5} = shift{11-5};
1318 let Inst{3-0} = shift{3-0};
1320 let Unpredictable{15-12} = 0b1111;
1322 def rsr : AI1<opcod, (outs),
1323 (ins GPRnopc:$Rn, so_reg_reg:$shift), DPSoRegRegFrm, iis,
1324 opc, "\t$Rn, $shift",
1325 [(opnode GPRnopc:$Rn, so_reg_reg:$shift)]>,
1326 Sched<[WriteCMPsr, ReadALU]> {
1331 let Inst{19-16} = Rn;
1332 let Inst{15-12} = 0b0000;
1333 let Inst{11-8} = shift{11-8};
1335 let Inst{6-5} = shift{6-5};
1337 let Inst{3-0} = shift{3-0};
1339 let Unpredictable{15-12} = 0b1111;
1345 /// AI_ext_rrot - A unary operation with two forms: one whose operand is a
1346 /// register and one whose operand is a register rotated by 8/16/24.
1347 /// FIXME: Remove the 'r' variant. Its rot_imm is zero.
1348 class AI_ext_rrot<bits<8> opcod, string opc, PatFrag opnode>
1349 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPRnopc:$Rm, rot_imm:$rot),
1350 IIC_iEXTr, opc, "\t$Rd, $Rm$rot",
1351 [(set GPRnopc:$Rd, (opnode (rotr GPRnopc:$Rm, rot_imm:$rot)))]>,
1352 Requires<[IsARM, HasV6]>, Sched<[WriteALUsi]> {
1356 let Inst{19-16} = 0b1111;
1357 let Inst{15-12} = Rd;
1358 let Inst{11-10} = rot;
1362 class AI_ext_rrot_np<bits<8> opcod, string opc>
1363 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPRnopc:$Rm, rot_imm:$rot),
1364 IIC_iEXTr, opc, "\t$Rd, $Rm$rot", []>,
1365 Requires<[IsARM, HasV6]>, Sched<[WriteALUsi]> {
1367 let Inst{19-16} = 0b1111;
1368 let Inst{11-10} = rot;
1371 /// AI_exta_rrot - A binary operation with two forms: one whose operand is a
1372 /// register and one whose operand is a register rotated by 8/16/24.
1373 class AI_exta_rrot<bits<8> opcod, string opc, PatFrag opnode>
1374 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPR:$Rn, GPRnopc:$Rm, rot_imm:$rot),
1375 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm$rot",
1376 [(set GPRnopc:$Rd, (opnode GPR:$Rn,
1377 (rotr GPRnopc:$Rm, rot_imm:$rot)))]>,
1378 Requires<[IsARM, HasV6]>, Sched<[WriteALUsr]> {
1383 let Inst{19-16} = Rn;
1384 let Inst{15-12} = Rd;
1385 let Inst{11-10} = rot;
1386 let Inst{9-4} = 0b000111;
1390 class AI_exta_rrot_np<bits<8> opcod, string opc>
1391 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPR:$Rn, GPRnopc:$Rm, rot_imm:$rot),
1392 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm$rot", []>,
1393 Requires<[IsARM, HasV6]>, Sched<[WriteALUsr]> {
1396 let Inst{19-16} = Rn;
1397 let Inst{11-10} = rot;
1400 /// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
1401 let TwoOperandAliasConstraint = "$Rn = $Rd" in
1402 multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode,
1403 bit Commutable = 0> {
1404 let hasPostISelHook = 1, Defs = [CPSR], Uses = [CPSR] in {
1405 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
1406 DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
1407 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, so_imm:$imm, CPSR))]>,
1409 Sched<[WriteALU, ReadALU]> {
1414 let Inst{15-12} = Rd;
1415 let Inst{19-16} = Rn;
1416 let Inst{11-0} = imm;
1418 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
1419 DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
1420 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, GPR:$Rm, CPSR))]>,
1422 Sched<[WriteALU, ReadALU, ReadALU]> {
1426 let Inst{11-4} = 0b00000000;
1428 let isCommutable = Commutable;
1430 let Inst{15-12} = Rd;
1431 let Inst{19-16} = Rn;
1433 def rsi : AsI1<opcod, (outs GPR:$Rd),
1434 (ins GPR:$Rn, so_reg_imm:$shift),
1435 DPSoRegImmFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1436 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, so_reg_imm:$shift, CPSR))]>,
1438 Sched<[WriteALUsi, ReadALU]> {
1443 let Inst{19-16} = Rn;
1444 let Inst{15-12} = Rd;
1445 let Inst{11-5} = shift{11-5};
1447 let Inst{3-0} = shift{3-0};
1449 def rsr : AsI1<opcod, (outs GPRnopc:$Rd),
1450 (ins GPRnopc:$Rn, so_reg_reg:$shift),
1451 DPSoRegRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1452 [(set GPRnopc:$Rd, CPSR,
1453 (opnode GPRnopc:$Rn, so_reg_reg:$shift, CPSR))]>,
1455 Sched<[WriteALUsr, ReadALUsr]> {
1460 let Inst{19-16} = Rn;
1461 let Inst{15-12} = Rd;
1462 let Inst{11-8} = shift{11-8};
1464 let Inst{6-5} = shift{6-5};
1466 let Inst{3-0} = shift{3-0};
1471 /// AI1_rsc_irs - Define instructions and patterns for rsc
1472 let TwoOperandAliasConstraint = "$Rn = $Rd" in
1473 multiclass AI1_rsc_irs<bits<4> opcod, string opc, PatFrag opnode> {
1474 let hasPostISelHook = 1, Defs = [CPSR], Uses = [CPSR] in {
1475 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
1476 DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
1477 [(set GPR:$Rd, CPSR, (opnode so_imm:$imm, GPR:$Rn, CPSR))]>,
1479 Sched<[WriteALU, ReadALU]> {
1484 let Inst{15-12} = Rd;
1485 let Inst{19-16} = Rn;
1486 let Inst{11-0} = imm;
1488 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
1489 DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
1490 [/* pattern left blank */]>,
1491 Sched<[WriteALU, ReadALU, ReadALU]> {
1495 let Inst{11-4} = 0b00000000;
1498 let Inst{15-12} = Rd;
1499 let Inst{19-16} = Rn;
1501 def rsi : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_imm:$shift),
1502 DPSoRegImmFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1503 [(set GPR:$Rd, CPSR, (opnode so_reg_imm:$shift, GPR:$Rn, CPSR))]>,
1505 Sched<[WriteALUsi, ReadALU]> {
1510 let Inst{19-16} = Rn;
1511 let Inst{15-12} = Rd;
1512 let Inst{11-5} = shift{11-5};
1514 let Inst{3-0} = shift{3-0};
1516 def rsr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_reg:$shift),
1517 DPSoRegRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1518 [(set GPR:$Rd, CPSR, (opnode so_reg_reg:$shift, GPR:$Rn, CPSR))]>,
1520 Sched<[WriteALUsr, ReadALUsr]> {
1525 let Inst{19-16} = Rn;
1526 let Inst{15-12} = Rd;
1527 let Inst{11-8} = shift{11-8};
1529 let Inst{6-5} = shift{6-5};
1531 let Inst{3-0} = shift{3-0};
1536 let canFoldAsLoad = 1, isReMaterializable = 1 in {
1537 multiclass AI_ldr1<bit isByte, string opc, InstrItinClass iii,
1538 InstrItinClass iir, PatFrag opnode> {
1539 // Note: We use the complex addrmode_imm12 rather than just an input
1540 // GPR and a constrained immediate so that we can use this to match
1541 // frame index references and avoid matching constant pool references.
1542 def i12: AI2ldst<0b010, 1, isByte, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
1543 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
1544 [(set GPR:$Rt, (opnode addrmode_imm12:$addr))]> {
1547 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1548 let Inst{19-16} = addr{16-13}; // Rn
1549 let Inst{15-12} = Rt;
1550 let Inst{11-0} = addr{11-0}; // imm12
1552 def rs : AI2ldst<0b011, 1, isByte, (outs GPR:$Rt), (ins ldst_so_reg:$shift),
1553 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
1554 [(set GPR:$Rt, (opnode ldst_so_reg:$shift))]> {
1557 let shift{4} = 0; // Inst{4} = 0
1558 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1559 let Inst{19-16} = shift{16-13}; // Rn
1560 let Inst{15-12} = Rt;
1561 let Inst{11-0} = shift{11-0};
1566 let canFoldAsLoad = 1, isReMaterializable = 1 in {
1567 multiclass AI_ldr1nopc<bit isByte, string opc, InstrItinClass iii,
1568 InstrItinClass iir, PatFrag opnode> {
1569 // Note: We use the complex addrmode_imm12 rather than just an input
1570 // GPR and a constrained immediate so that we can use this to match
1571 // frame index references and avoid matching constant pool references.
1572 def i12: AI2ldst<0b010, 1, isByte, (outs GPRnopc:$Rt),
1573 (ins addrmode_imm12:$addr),
1574 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
1575 [(set GPRnopc:$Rt, (opnode addrmode_imm12:$addr))]> {
1578 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1579 let Inst{19-16} = addr{16-13}; // Rn
1580 let Inst{15-12} = Rt;
1581 let Inst{11-0} = addr{11-0}; // imm12
1583 def rs : AI2ldst<0b011, 1, isByte, (outs GPRnopc:$Rt),
1584 (ins ldst_so_reg:$shift),
1585 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
1586 [(set GPRnopc:$Rt, (opnode ldst_so_reg:$shift))]> {
1589 let shift{4} = 0; // Inst{4} = 0
1590 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1591 let Inst{19-16} = shift{16-13}; // Rn
1592 let Inst{15-12} = Rt;
1593 let Inst{11-0} = shift{11-0};
1599 multiclass AI_str1<bit isByte, string opc, InstrItinClass iii,
1600 InstrItinClass iir, PatFrag opnode> {
1601 // Note: We use the complex addrmode_imm12 rather than just an input
1602 // GPR and a constrained immediate so that we can use this to match
1603 // frame index references and avoid matching constant pool references.
1604 def i12 : AI2ldst<0b010, 0, isByte, (outs),
1605 (ins GPR:$Rt, addrmode_imm12:$addr),
1606 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
1607 [(opnode GPR:$Rt, addrmode_imm12:$addr)]> {
1610 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1611 let Inst{19-16} = addr{16-13}; // Rn
1612 let Inst{15-12} = Rt;
1613 let Inst{11-0} = addr{11-0}; // imm12
1615 def rs : AI2ldst<0b011, 0, isByte, (outs), (ins GPR:$Rt, ldst_so_reg:$shift),
1616 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
1617 [(opnode GPR:$Rt, ldst_so_reg:$shift)]> {
1620 let shift{4} = 0; // Inst{4} = 0
1621 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1622 let Inst{19-16} = shift{16-13}; // Rn
1623 let Inst{15-12} = Rt;
1624 let Inst{11-0} = shift{11-0};
1628 multiclass AI_str1nopc<bit isByte, string opc, InstrItinClass iii,
1629 InstrItinClass iir, PatFrag opnode> {
1630 // Note: We use the complex addrmode_imm12 rather than just an input
1631 // GPR and a constrained immediate so that we can use this to match
1632 // frame index references and avoid matching constant pool references.
1633 def i12 : AI2ldst<0b010, 0, isByte, (outs),
1634 (ins GPRnopc:$Rt, addrmode_imm12:$addr),
1635 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
1636 [(opnode GPRnopc:$Rt, addrmode_imm12:$addr)]> {
1639 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1640 let Inst{19-16} = addr{16-13}; // Rn
1641 let Inst{15-12} = Rt;
1642 let Inst{11-0} = addr{11-0}; // imm12
1644 def rs : AI2ldst<0b011, 0, isByte, (outs),
1645 (ins GPRnopc:$Rt, ldst_so_reg:$shift),
1646 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
1647 [(opnode GPRnopc:$Rt, ldst_so_reg:$shift)]> {
1650 let shift{4} = 0; // Inst{4} = 0
1651 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1652 let Inst{19-16} = shift{16-13}; // Rn
1653 let Inst{15-12} = Rt;
1654 let Inst{11-0} = shift{11-0};
1659 //===----------------------------------------------------------------------===//
1661 //===----------------------------------------------------------------------===//
1663 //===----------------------------------------------------------------------===//
1664 // Miscellaneous Instructions.
1667 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
1668 /// the function. The first operand is the ID# for this instruction, the second
1669 /// is the index into the MachineConstantPool that this is, the third is the
1670 /// size in bytes of this constant pool entry.
1671 let neverHasSideEffects = 1, isNotDuplicable = 1 in
1672 def CONSTPOOL_ENTRY :
1673 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
1674 i32imm:$size), NoItinerary, []>;
1676 // FIXME: Marking these as hasSideEffects is necessary to prevent machine DCE
1677 // from removing one half of the matched pairs. That breaks PEI, which assumes
1678 // these will always be in pairs, and asserts if it finds otherwise. Better way?
1679 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
1680 def ADJCALLSTACKUP :
1681 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary,
1682 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
1684 def ADJCALLSTACKDOWN :
1685 PseudoInst<(outs), (ins i32imm:$amt, pred:$p), NoItinerary,
1686 [(ARMcallseq_start timm:$amt)]>;
1689 def HINT : AI<(outs), (ins imm0_239:$imm), MiscFrm, NoItinerary,
1690 "hint", "\t$imm", []>, Requires<[IsARM, HasV6]> {
1692 let Inst{27-8} = 0b00110010000011110000;
1693 let Inst{7-0} = imm;
1696 def : InstAlias<"nop$p", (HINT 0, pred:$p)>, Requires<[IsARM, HasV6T2]>;
1697 def : InstAlias<"yield$p", (HINT 1, pred:$p)>, Requires<[IsARM, HasV6T2]>;
1698 def : InstAlias<"wfe$p", (HINT 2, pred:$p)>, Requires<[IsARM, HasV6T2]>;
1699 def : InstAlias<"wfi$p", (HINT 3, pred:$p)>, Requires<[IsARM, HasV6T2]>;
1700 def : InstAlias<"sev$p", (HINT 4, pred:$p)>, Requires<[IsARM, HasV6T2]>;
1701 def : InstAlias<"sevl$p", (HINT 5, pred:$p)>, Requires<[IsARM, HasV8]>;
1703 def : Pat<(int_arm_sevl), (HINT 5)>;
1705 def SEL : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm, NoItinerary, "sel",
1706 "\t$Rd, $Rn, $Rm", []>, Requires<[IsARM, HasV6]> {
1711 let Inst{15-12} = Rd;
1712 let Inst{19-16} = Rn;
1713 let Inst{27-20} = 0b01101000;
1714 let Inst{7-4} = 0b1011;
1715 let Inst{11-8} = 0b1111;
1716 let Unpredictable{11-8} = 0b1111;
1719 // The 16-bit operand $val can be used by a debugger to store more information
1720 // about the breakpoint.
1721 def BKPT : AInoP<(outs), (ins imm0_65535:$val), MiscFrm, NoItinerary,
1722 "bkpt", "\t$val", []>, Requires<[IsARM]> {
1724 let Inst{3-0} = val{3-0};
1725 let Inst{19-8} = val{15-4};
1726 let Inst{27-20} = 0b00010010;
1727 let Inst{31-28} = 0xe; // AL
1728 let Inst{7-4} = 0b0111;
1730 // default immediate for breakpoint mnemonic
1731 def : InstAlias<"bkpt", (BKPT 0)>, Requires<[IsARM]>;
1733 def HLT : AInoP<(outs), (ins imm0_65535:$val), MiscFrm, NoItinerary,
1734 "hlt", "\t$val", []>, Requires<[IsARM, HasV8]> {
1736 let Inst{3-0} = val{3-0};
1737 let Inst{19-8} = val{15-4};
1738 let Inst{27-20} = 0b00010000;
1739 let Inst{31-28} = 0xe; // AL
1740 let Inst{7-4} = 0b0111;
1743 // Change Processor State
1744 // FIXME: We should use InstAlias to handle the optional operands.
1745 class CPS<dag iops, string asm_ops>
1746 : AXI<(outs), iops, MiscFrm, NoItinerary, !strconcat("cps", asm_ops),
1747 []>, Requires<[IsARM]> {
1753 let Inst{31-28} = 0b1111;
1754 let Inst{27-20} = 0b00010000;
1755 let Inst{19-18} = imod;
1756 let Inst{17} = M; // Enabled if mode is set;
1757 let Inst{16-9} = 0b00000000;
1758 let Inst{8-6} = iflags;
1760 let Inst{4-0} = mode;
1763 let DecoderMethod = "DecodeCPSInstruction" in {
1765 def CPS3p : CPS<(ins imod_op:$imod, iflags_op:$iflags, imm0_31:$mode),
1766 "$imod\t$iflags, $mode">;
1767 let mode = 0, M = 0 in
1768 def CPS2p : CPS<(ins imod_op:$imod, iflags_op:$iflags), "$imod\t$iflags">;
1770 let imod = 0, iflags = 0, M = 1 in
1771 def CPS1p : CPS<(ins imm0_31:$mode), "\t$mode">;
1774 // Preload signals the memory system of possible future data/instruction access.
1775 multiclass APreLoad<bits<1> read, bits<1> data, string opc> {
1777 def i12 : AXI<(outs), (ins addrmode_imm12:$addr), MiscFrm, IIC_Preload,
1778 !strconcat(opc, "\t$addr"),
1779 [(ARMPreload addrmode_imm12:$addr, (i32 read), (i32 data))]>,
1780 Sched<[WritePreLd]> {
1783 let Inst{31-26} = 0b111101;
1784 let Inst{25} = 0; // 0 for immediate form
1785 let Inst{24} = data;
1786 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1787 let Inst{22} = read;
1788 let Inst{21-20} = 0b01;
1789 let Inst{19-16} = addr{16-13}; // Rn
1790 let Inst{15-12} = 0b1111;
1791 let Inst{11-0} = addr{11-0}; // imm12
1794 def rs : AXI<(outs), (ins ldst_so_reg:$shift), MiscFrm, IIC_Preload,
1795 !strconcat(opc, "\t$shift"),
1796 [(ARMPreload ldst_so_reg:$shift, (i32 read), (i32 data))]>,
1797 Sched<[WritePreLd]> {
1799 let Inst{31-26} = 0b111101;
1800 let Inst{25} = 1; // 1 for register form
1801 let Inst{24} = data;
1802 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1803 let Inst{22} = read;
1804 let Inst{21-20} = 0b01;
1805 let Inst{19-16} = shift{16-13}; // Rn
1806 let Inst{15-12} = 0b1111;
1807 let Inst{11-0} = shift{11-0};
1812 defm PLD : APreLoad<1, 1, "pld">, Requires<[IsARM]>;
1813 defm PLDW : APreLoad<0, 1, "pldw">, Requires<[IsARM,HasV7,HasMP]>;
1814 defm PLI : APreLoad<1, 0, "pli">, Requires<[IsARM,HasV7]>;
1816 def SETEND : AXI<(outs), (ins setend_op:$end), MiscFrm, NoItinerary,
1817 "setend\t$end", []>, Requires<[IsARM]>, Deprecated<HasV8Ops> {
1819 let Inst{31-10} = 0b1111000100000001000000;
1824 def DBG : AI<(outs), (ins imm0_15:$opt), MiscFrm, NoItinerary, "dbg", "\t$opt",
1825 []>, Requires<[IsARM, HasV7]> {
1827 let Inst{27-4} = 0b001100100000111100001111;
1828 let Inst{3-0} = opt;
1832 * A5.4 Permanently UNDEFINED instructions.
1834 * For most targets use UDF #65006, for which the OS will generate SIGTRAP.
1835 * Other UDF encodings generate SIGILL.
1837 * NaCl's OS instead chooses an ARM UDF encoding that's also a UDF in Thumb.
1839 * 1110 0111 1111 iiii iiii iiii 1111 iiii
1841 * 1101 1110 iiii iiii
1842 * It uses the following encoding:
1843 * 1110 0111 1111 1110 1101 1110 1111 0000
1844 * - In ARM: UDF #60896;
1845 * - In Thumb: UDF #254 followed by a branch-to-self.
1847 let isBarrier = 1, isTerminator = 1 in
1848 def TRAPNaCl : AXI<(outs), (ins), MiscFrm, NoItinerary,
1850 Requires<[IsARM,UseNaClTrap]> {
1851 let Inst = 0xe7fedef0;
1853 let isBarrier = 1, isTerminator = 1 in
1854 def TRAP : AXI<(outs), (ins), MiscFrm, NoItinerary,
1856 Requires<[IsARM,DontUseNaClTrap]> {
1857 let Inst = 0xe7ffdefe;
1860 // Address computation and loads and stores in PIC mode.
1861 let isNotDuplicable = 1 in {
1862 def PICADD : ARMPseudoInst<(outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
1864 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>,
1865 Sched<[WriteALU, ReadALU]>;
1867 let AddedComplexity = 10 in {
1868 def PICLDR : ARMPseudoInst<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
1870 [(set GPR:$dst, (load addrmodepc:$addr))]>;
1872 def PICLDRH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1874 [(set GPR:$Rt, (zextloadi16 addrmodepc:$addr))]>;
1876 def PICLDRB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1878 [(set GPR:$Rt, (zextloadi8 addrmodepc:$addr))]>;
1880 def PICLDRSH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1882 [(set GPR:$Rt, (sextloadi16 addrmodepc:$addr))]>;
1884 def PICLDRSB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1886 [(set GPR:$Rt, (sextloadi8 addrmodepc:$addr))]>;
1888 let AddedComplexity = 10 in {
1889 def PICSTR : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1890 4, IIC_iStore_r, [(store GPR:$src, addrmodepc:$addr)]>;
1892 def PICSTRH : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1893 4, IIC_iStore_bh_r, [(truncstorei16 GPR:$src,
1894 addrmodepc:$addr)]>;
1896 def PICSTRB : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1897 4, IIC_iStore_bh_r, [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
1899 } // isNotDuplicable = 1
1902 // LEApcrel - Load a pc-relative address into a register without offending the
1904 let neverHasSideEffects = 1, isReMaterializable = 1 in
1905 // The 'adr' mnemonic encodes differently if the label is before or after
1906 // the instruction. The {24-21} opcode bits are set by the fixup, as we don't
1907 // know until then which form of the instruction will be used.
1908 def ADR : AI1<{0,?,?,0}, (outs GPR:$Rd), (ins adrlabel:$label),
1909 MiscFrm, IIC_iALUi, "adr", "\t$Rd, $label", []>,
1910 Sched<[WriteALU, ReadALU]> {
1913 let Inst{27-25} = 0b001;
1915 let Inst{23-22} = label{13-12};
1918 let Inst{19-16} = 0b1111;
1919 let Inst{15-12} = Rd;
1920 let Inst{11-0} = label{11-0};
1923 let hasSideEffects = 1 in {
1924 def LEApcrel : ARMPseudoInst<(outs GPR:$Rd), (ins i32imm:$label, pred:$p),
1925 4, IIC_iALUi, []>, Sched<[WriteALU, ReadALU]>;
1927 def LEApcrelJT : ARMPseudoInst<(outs GPR:$Rd),
1928 (ins i32imm:$label, nohash_imm:$id, pred:$p),
1929 4, IIC_iALUi, []>, Sched<[WriteALU, ReadALU]>;
1932 //===----------------------------------------------------------------------===//
1933 // Control Flow Instructions.
1936 let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
1938 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1939 "bx", "\tlr", [(ARMretflag)]>,
1940 Requires<[IsARM, HasV4T]>, Sched<[WriteBr]> {
1941 let Inst{27-0} = 0b0001001011111111111100011110;
1945 def MOVPCLR : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1946 "mov", "\tpc, lr", [(ARMretflag)]>,
1947 Requires<[IsARM, NoV4T]>, Sched<[WriteBr]> {
1948 let Inst{27-0} = 0b0001101000001111000000001110;
1951 // Exception return: N.b. doesn't set CPSR as far as we're concerned (it sets
1952 // the user-space one).
1953 def SUBS_PC_LR : ARMPseudoInst<(outs), (ins i32imm:$offset, pred:$p),
1955 [(ARMintretflag imm:$offset)]>;
1958 // Indirect branches
1959 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
1961 def BX : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
1962 [(brind GPR:$dst)]>,
1963 Requires<[IsARM, HasV4T]>, Sched<[WriteBr]> {
1965 let Inst{31-4} = 0b1110000100101111111111110001;
1966 let Inst{3-0} = dst;
1969 def BX_pred : AI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br,
1970 "bx", "\t$dst", [/* pattern left blank */]>,
1971 Requires<[IsARM, HasV4T]>, Sched<[WriteBr]> {
1973 let Inst{27-4} = 0b000100101111111111110001;
1974 let Inst{3-0} = dst;
1978 // SP is marked as a use to prevent stack-pointer assignments that appear
1979 // immediately before calls from potentially appearing dead.
1981 // FIXME: Do we really need a non-predicated version? If so, it should
1982 // at least be a pseudo instruction expanding to the predicated version
1983 // at MC lowering time.
1984 Defs = [LR], Uses = [SP] in {
1985 def BL : ABXI<0b1011, (outs), (ins bl_target:$func),
1986 IIC_Br, "bl\t$func",
1987 [(ARMcall tglobaladdr:$func)]>,
1988 Requires<[IsARM]>, Sched<[WriteBrL]> {
1989 let Inst{31-28} = 0b1110;
1991 let Inst{23-0} = func;
1992 let DecoderMethod = "DecodeBranchImmInstruction";
1995 def BL_pred : ABI<0b1011, (outs), (ins bl_target:$func),
1996 IIC_Br, "bl", "\t$func",
1997 [(ARMcall_pred tglobaladdr:$func)]>,
1998 Requires<[IsARM]>, Sched<[WriteBrL]> {
2000 let Inst{23-0} = func;
2001 let DecoderMethod = "DecodeBranchImmInstruction";
2005 def BLX : AXI<(outs), (ins GPR:$func), BrMiscFrm,
2006 IIC_Br, "blx\t$func",
2007 [(ARMcall GPR:$func)]>,
2008 Requires<[IsARM, HasV5T]>, Sched<[WriteBrL]> {
2010 let Inst{31-4} = 0b1110000100101111111111110011;
2011 let Inst{3-0} = func;
2014 def BLX_pred : AI<(outs), (ins GPR:$func), BrMiscFrm,
2015 IIC_Br, "blx", "\t$func",
2016 [(ARMcall_pred GPR:$func)]>,
2017 Requires<[IsARM, HasV5T]>, Sched<[WriteBrL]> {
2019 let Inst{27-4} = 0b000100101111111111110011;
2020 let Inst{3-0} = func;
2024 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
2025 def BX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func),
2026 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
2027 Requires<[IsARM, HasV4T]>, Sched<[WriteBr]>;
2030 def BMOVPCRX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func),
2031 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
2032 Requires<[IsARM, NoV4T]>, Sched<[WriteBr]>;
2034 // mov lr, pc; b if callee is marked noreturn to avoid confusing the
2035 // return stack predictor.
2036 def BMOVPCB_CALL : ARMPseudoInst<(outs), (ins bl_target:$func),
2037 8, IIC_Br, [(ARMcall_nolink tglobaladdr:$func)]>,
2038 Requires<[IsARM]>, Sched<[WriteBr]>;
2041 let isBranch = 1, isTerminator = 1 in {
2042 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
2043 // a two-value operand where a dag node expects two operands. :(
2044 def Bcc : ABI<0b1010, (outs), (ins br_target:$target),
2045 IIC_Br, "b", "\t$target",
2046 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]>,
2049 let Inst{23-0} = target;
2050 let DecoderMethod = "DecodeBranchImmInstruction";
2053 let isBarrier = 1 in {
2054 // B is "predicable" since it's just a Bcc with an 'always' condition.
2055 let isPredicable = 1 in
2056 // FIXME: We shouldn't need this pseudo at all. Just using Bcc directly
2057 // should be sufficient.
2058 // FIXME: Is B really a Barrier? That doesn't seem right.
2059 def B : ARMPseudoExpand<(outs), (ins br_target:$target), 4, IIC_Br,
2060 [(br bb:$target)], (Bcc br_target:$target, (ops 14, zero_reg))>,
2063 let isNotDuplicable = 1, isIndirectBranch = 1 in {
2064 def BR_JTr : ARMPseudoInst<(outs),
2065 (ins GPR:$target, i32imm:$jt, i32imm:$id),
2067 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]>,
2069 // FIXME: This shouldn't use the generic "addrmode2," but rather be split
2070 // into i12 and rs suffixed versions.
2071 def BR_JTm : ARMPseudoInst<(outs),
2072 (ins addrmode2:$target, i32imm:$jt, i32imm:$id),
2074 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
2075 imm:$id)]>, Sched<[WriteBrTbl]>;
2076 def BR_JTadd : ARMPseudoInst<(outs),
2077 (ins GPR:$target, GPR:$idx, i32imm:$jt, i32imm:$id),
2079 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
2080 imm:$id)]>, Sched<[WriteBrTbl]>;
2081 } // isNotDuplicable = 1, isIndirectBranch = 1
2087 def BLXi : AXI<(outs), (ins blx_target:$target), BrMiscFrm, NoItinerary,
2088 "blx\t$target", []>,
2089 Requires<[IsARM, HasV5T]>, Sched<[WriteBrL]> {
2090 let Inst{31-25} = 0b1111101;
2092 let Inst{23-0} = target{24-1};
2093 let Inst{24} = target{0};
2096 // Branch and Exchange Jazelle
2097 def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
2098 [/* pattern left blank */]>, Sched<[WriteBr]> {
2100 let Inst{23-20} = 0b0010;
2101 let Inst{19-8} = 0xfff;
2102 let Inst{7-4} = 0b0010;
2103 let Inst{3-0} = func;
2108 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, Uses = [SP] in {
2109 def TCRETURNdi : PseudoInst<(outs), (ins i32imm:$dst), IIC_Br, []>,
2112 def TCRETURNri : PseudoInst<(outs), (ins tcGPR:$dst), IIC_Br, []>,
2115 def TAILJMPd : ARMPseudoExpand<(outs), (ins br_target:$dst),
2117 (Bcc br_target:$dst, (ops 14, zero_reg))>,
2118 Requires<[IsARM]>, Sched<[WriteBr]>;
2120 def TAILJMPr : ARMPseudoExpand<(outs), (ins tcGPR:$dst),
2122 (BX GPR:$dst)>, Sched<[WriteBr]>,
2126 // Secure Monitor Call is a system instruction.
2127 def SMC : ABI<0b0001, (outs), (ins imm0_15:$opt), NoItinerary, "smc", "\t$opt",
2128 []>, Requires<[IsARM, HasTrustZone]> {
2130 let Inst{23-4} = 0b01100000000000000111;
2131 let Inst{3-0} = opt;
2134 // Supervisor Call (Software Interrupt)
2135 let isCall = 1, Uses = [SP] in {
2136 def SVC : ABI<0b1111, (outs), (ins imm24b:$svc), IIC_Br, "svc", "\t$svc", []>,
2139 let Inst{23-0} = svc;
2143 // Store Return State
2144 class SRSI<bit wb, string asm>
2145 : XI<(outs), (ins imm0_31:$mode), AddrModeNone, 4, IndexModeNone, BrFrm,
2146 NoItinerary, asm, "", []> {
2148 let Inst{31-28} = 0b1111;
2149 let Inst{27-25} = 0b100;
2153 let Inst{19-16} = 0b1101; // SP
2154 let Inst{15-5} = 0b00000101000;
2155 let Inst{4-0} = mode;
2158 def SRSDA : SRSI<0, "srsda\tsp, $mode"> {
2159 let Inst{24-23} = 0;
2161 def SRSDA_UPD : SRSI<1, "srsda\tsp!, $mode"> {
2162 let Inst{24-23} = 0;
2164 def SRSDB : SRSI<0, "srsdb\tsp, $mode"> {
2165 let Inst{24-23} = 0b10;
2167 def SRSDB_UPD : SRSI<1, "srsdb\tsp!, $mode"> {
2168 let Inst{24-23} = 0b10;
2170 def SRSIA : SRSI<0, "srsia\tsp, $mode"> {
2171 let Inst{24-23} = 0b01;
2173 def SRSIA_UPD : SRSI<1, "srsia\tsp!, $mode"> {
2174 let Inst{24-23} = 0b01;
2176 def SRSIB : SRSI<0, "srsib\tsp, $mode"> {
2177 let Inst{24-23} = 0b11;
2179 def SRSIB_UPD : SRSI<1, "srsib\tsp!, $mode"> {
2180 let Inst{24-23} = 0b11;
2183 def : ARMInstAlias<"srsda $mode", (SRSDA imm0_31:$mode)>;
2184 def : ARMInstAlias<"srsda $mode!", (SRSDA_UPD imm0_31:$mode)>;
2186 def : ARMInstAlias<"srsdb $mode", (SRSDB imm0_31:$mode)>;
2187 def : ARMInstAlias<"srsdb $mode!", (SRSDB_UPD imm0_31:$mode)>;
2189 def : ARMInstAlias<"srsia $mode", (SRSIA imm0_31:$mode)>;
2190 def : ARMInstAlias<"srsia $mode!", (SRSIA_UPD imm0_31:$mode)>;
2192 def : ARMInstAlias<"srsib $mode", (SRSIB imm0_31:$mode)>;
2193 def : ARMInstAlias<"srsib $mode!", (SRSIB_UPD imm0_31:$mode)>;
2195 // Return From Exception
2196 class RFEI<bit wb, string asm>
2197 : XI<(outs), (ins GPR:$Rn), AddrModeNone, 4, IndexModeNone, BrFrm,
2198 NoItinerary, asm, "", []> {
2200 let Inst{31-28} = 0b1111;
2201 let Inst{27-25} = 0b100;
2205 let Inst{19-16} = Rn;
2206 let Inst{15-0} = 0xa00;
2209 def RFEDA : RFEI<0, "rfeda\t$Rn"> {
2210 let Inst{24-23} = 0;
2212 def RFEDA_UPD : RFEI<1, "rfeda\t$Rn!"> {
2213 let Inst{24-23} = 0;
2215 def RFEDB : RFEI<0, "rfedb\t$Rn"> {
2216 let Inst{24-23} = 0b10;
2218 def RFEDB_UPD : RFEI<1, "rfedb\t$Rn!"> {
2219 let Inst{24-23} = 0b10;
2221 def RFEIA : RFEI<0, "rfeia\t$Rn"> {
2222 let Inst{24-23} = 0b01;
2224 def RFEIA_UPD : RFEI<1, "rfeia\t$Rn!"> {
2225 let Inst{24-23} = 0b01;
2227 def RFEIB : RFEI<0, "rfeib\t$Rn"> {
2228 let Inst{24-23} = 0b11;
2230 def RFEIB_UPD : RFEI<1, "rfeib\t$Rn!"> {
2231 let Inst{24-23} = 0b11;
2234 //===----------------------------------------------------------------------===//
2235 // Load / Store Instructions.
2241 defm LDR : AI_ldr1<0, "ldr", IIC_iLoad_r, IIC_iLoad_si,
2242 UnOpFrag<(load node:$Src)>>;
2243 defm LDRB : AI_ldr1nopc<1, "ldrb", IIC_iLoad_bh_r, IIC_iLoad_bh_si,
2244 UnOpFrag<(zextloadi8 node:$Src)>>;
2245 defm STR : AI_str1<0, "str", IIC_iStore_r, IIC_iStore_si,
2246 BinOpFrag<(store node:$LHS, node:$RHS)>>;
2247 defm STRB : AI_str1nopc<1, "strb", IIC_iStore_bh_r, IIC_iStore_bh_si,
2248 BinOpFrag<(truncstorei8 node:$LHS, node:$RHS)>>;
2250 // Special LDR for loads from non-pc-relative constpools.
2251 let canFoldAsLoad = 1, mayLoad = 1, neverHasSideEffects = 1,
2252 isReMaterializable = 1, isCodeGenOnly = 1 in
2253 def LDRcp : AI2ldst<0b010, 1, 0, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
2254 AddrMode_i12, LdFrm, IIC_iLoad_r, "ldr", "\t$Rt, $addr",
2258 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2259 let Inst{19-16} = 0b1111;
2260 let Inst{15-12} = Rt;
2261 let Inst{11-0} = addr{11-0}; // imm12
2264 // Loads with zero extension
2265 def LDRH : AI3ld<0b1011, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
2266 IIC_iLoad_bh_r, "ldrh", "\t$Rt, $addr",
2267 [(set GPR:$Rt, (zextloadi16 addrmode3:$addr))]>;
2269 // Loads with sign extension
2270 def LDRSH : AI3ld<0b1111, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
2271 IIC_iLoad_bh_r, "ldrsh", "\t$Rt, $addr",
2272 [(set GPR:$Rt, (sextloadi16 addrmode3:$addr))]>;
2274 def LDRSB : AI3ld<0b1101, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
2275 IIC_iLoad_bh_r, "ldrsb", "\t$Rt, $addr",
2276 [(set GPR:$Rt, (sextloadi8 addrmode3:$addr))]>;
2278 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1 in {
2280 def LDRD : AI3ld<0b1101, 0, (outs GPR:$Rt, GPR:$Rt2), (ins addrmode3:$addr),
2281 LdMiscFrm, IIC_iLoad_d_r, "ldrd", "\t$Rt, $Rt2, $addr", []>,
2282 Requires<[IsARM, HasV5TE]>;
2284 // GNU Assembler extension (compatibility)
2285 let isAsmParserOnly = 1 in
2286 def LDRD_PAIR : AI3ld<0b1101, 0, (outs GPRPairOp:$Rt), (ins addrmode3:$addr),
2287 LdMiscFrm, IIC_iLoad_d_r, "ldrd", "\t$Rt, $addr", []>,
2288 Requires<[IsARM, HasV5TE]>;
2291 def LDA : AIldracq<0b00, (outs GPR:$Rt), (ins addr_offset_none:$addr),
2292 NoItinerary, "lda", "\t$Rt, $addr", []>;
2293 def LDAB : AIldracq<0b10, (outs GPR:$Rt), (ins addr_offset_none:$addr),
2294 NoItinerary, "ldab", "\t$Rt, $addr", []>;
2295 def LDAH : AIldracq<0b11, (outs GPR:$Rt), (ins addr_offset_none:$addr),
2296 NoItinerary, "ldah", "\t$Rt, $addr", []>;
2299 multiclass AI2_ldridx<bit isByte, string opc,
2300 InstrItinClass iii, InstrItinClass iir> {
2301 def _PRE_IMM : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb),
2302 (ins addrmode_imm12_pre:$addr), IndexModePre, LdFrm, iii,
2303 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2306 let Inst{23} = addr{12};
2307 let Inst{19-16} = addr{16-13};
2308 let Inst{11-0} = addr{11-0};
2309 let DecoderMethod = "DecodeLDRPreImm";
2312 def _PRE_REG : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb),
2313 (ins ldst_so_reg:$addr), IndexModePre, LdFrm, iir,
2314 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2317 let Inst{23} = addr{12};
2318 let Inst{19-16} = addr{16-13};
2319 let Inst{11-0} = addr{11-0};
2321 let DecoderMethod = "DecodeLDRPreReg";
2324 def _POST_REG : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2325 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2326 IndexModePost, LdFrm, iir,
2327 opc, "\t$Rt, $addr, $offset",
2328 "$addr.base = $Rn_wb", []> {
2334 let Inst{23} = offset{12};
2335 let Inst{19-16} = addr;
2336 let Inst{11-0} = offset{11-0};
2339 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2342 def _POST_IMM : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2343 (ins addr_offset_none:$addr, am2offset_imm:$offset),
2344 IndexModePost, LdFrm, iii,
2345 opc, "\t$Rt, $addr, $offset",
2346 "$addr.base = $Rn_wb", []> {
2352 let Inst{23} = offset{12};
2353 let Inst{19-16} = addr;
2354 let Inst{11-0} = offset{11-0};
2356 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2361 let mayLoad = 1, neverHasSideEffects = 1 in {
2362 // FIXME: for LDR_PRE_REG etc. the itineray should be either IIC_iLoad_ru or
2363 // IIC_iLoad_siu depending on whether it the offset register is shifted.
2364 defm LDR : AI2_ldridx<0, "ldr", IIC_iLoad_iu, IIC_iLoad_ru>;
2365 defm LDRB : AI2_ldridx<1, "ldrb", IIC_iLoad_bh_iu, IIC_iLoad_bh_ru>;
2368 multiclass AI3_ldridx<bits<4> op, string opc, InstrItinClass itin> {
2369 def _PRE : AI3ldstidx<op, 1, 1, (outs GPR:$Rt, GPR:$Rn_wb),
2370 (ins addrmode3_pre:$addr), IndexModePre,
2372 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2374 let Inst{23} = addr{8}; // U bit
2375 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2376 let Inst{19-16} = addr{12-9}; // Rn
2377 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2378 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2379 let DecoderMethod = "DecodeAddrMode3Instruction";
2381 def _POST : AI3ldstidx<op, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2382 (ins addr_offset_none:$addr, am3offset:$offset),
2383 IndexModePost, LdMiscFrm, itin,
2384 opc, "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb",
2388 let Inst{23} = offset{8}; // U bit
2389 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2390 let Inst{19-16} = addr;
2391 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2392 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2393 let DecoderMethod = "DecodeAddrMode3Instruction";
2397 let mayLoad = 1, neverHasSideEffects = 1 in {
2398 defm LDRH : AI3_ldridx<0b1011, "ldrh", IIC_iLoad_bh_ru>;
2399 defm LDRSH : AI3_ldridx<0b1111, "ldrsh", IIC_iLoad_bh_ru>;
2400 defm LDRSB : AI3_ldridx<0b1101, "ldrsb", IIC_iLoad_bh_ru>;
2401 let hasExtraDefRegAllocReq = 1 in {
2402 def LDRD_PRE : AI3ldstidx<0b1101, 0, 1, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
2403 (ins addrmode3_pre:$addr), IndexModePre,
2404 LdMiscFrm, IIC_iLoad_d_ru,
2405 "ldrd", "\t$Rt, $Rt2, $addr!",
2406 "$addr.base = $Rn_wb", []> {
2408 let Inst{23} = addr{8}; // U bit
2409 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2410 let Inst{19-16} = addr{12-9}; // Rn
2411 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2412 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2413 let DecoderMethod = "DecodeAddrMode3Instruction";
2415 def LDRD_POST: AI3ldstidx<0b1101, 0, 0, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
2416 (ins addr_offset_none:$addr, am3offset:$offset),
2417 IndexModePost, LdMiscFrm, IIC_iLoad_d_ru,
2418 "ldrd", "\t$Rt, $Rt2, $addr, $offset",
2419 "$addr.base = $Rn_wb", []> {
2422 let Inst{23} = offset{8}; // U bit
2423 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2424 let Inst{19-16} = addr;
2425 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2426 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2427 let DecoderMethod = "DecodeAddrMode3Instruction";
2429 } // hasExtraDefRegAllocReq = 1
2430 } // mayLoad = 1, neverHasSideEffects = 1
2432 // LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT.
2433 let mayLoad = 1, neverHasSideEffects = 1 in {
2434 def LDRT_POST_REG : AI2ldstidx<1, 0, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2435 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2436 IndexModePost, LdFrm, IIC_iLoad_ru,
2437 "ldrt", "\t$Rt, $addr, $offset",
2438 "$addr.base = $Rn_wb", []> {
2444 let Inst{23} = offset{12};
2445 let Inst{21} = 1; // overwrite
2446 let Inst{19-16} = addr;
2447 let Inst{11-5} = offset{11-5};
2449 let Inst{3-0} = offset{3-0};
2450 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2453 class LDRTImmediate<bit has_offset, string args, dag iops>
2454 : AI2ldstidx<1, 0, 0, (outs GPR:$Rt, GPR:$Rn_wb), iops,
2455 IndexModePost, LdFrm, IIC_iLoad_ru,
2456 "ldrt", args, "$addr.base = $Rn_wb", []> {
2462 let Inst{23} = !if(has_offset, offset{12}, 1);
2463 let Inst{21} = 1; // overwrite
2464 let Inst{19-16} = addr;
2465 let Inst{11-0} = !if(has_offset, offset{11-0}, 0);
2469 : LDRTImmediate<1, "\t$Rt, $addr, $offset",
2470 (ins addr_offset_none:$addr, am2offset_imm:$offset)> {
2471 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2475 : LDRTImmediate<0, "\t$Rt, $addr", (ins addr_offset_none:$addr)>;
2477 def LDRBT_POST_REG : AI2ldstidx<1, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2478 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2479 IndexModePost, LdFrm, IIC_iLoad_bh_ru,
2480 "ldrbt", "\t$Rt, $addr, $offset",
2481 "$addr.base = $Rn_wb", []> {
2487 let Inst{23} = offset{12};
2488 let Inst{21} = 1; // overwrite
2489 let Inst{19-16} = addr;
2490 let Inst{11-5} = offset{11-5};
2492 let Inst{3-0} = offset{3-0};
2493 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2496 class LDRBTImmediate<bit has_offset, string args, dag iops>
2497 : AI2ldstidx<1, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb), iops,
2498 IndexModePost, LdFrm, IIC_iLoad_bh_ru,
2499 "ldrbt", args, "$addr.base = $Rn_wb", []> {
2505 let Inst{23} = !if(has_offset, offset{12}, 1);
2506 let Inst{21} = 1; // overwrite
2507 let Inst{19-16} = addr;
2508 let Inst{11-0} = !if(has_offset, offset{11-0}, 0);
2512 : LDRBTImmediate<1, "\t$Rt, $addr, $offset",
2513 (ins addr_offset_none:$addr, am2offset_imm:$offset)> {
2514 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2517 def LDRBT_POST_IMM_0
2518 : LDRBTImmediate<0, "\t$Rt, $addr", (ins addr_offset_none:$addr)>;
2520 multiclass AI3ldrT<bits<4> op, string opc> {
2521 def i : AI3ldstidxT<op, 1, (outs GPR:$Rt, GPR:$base_wb),
2522 (ins addr_offset_none:$addr, postidx_imm8:$offset),
2523 IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru, opc,
2524 "\t$Rt, $addr, $offset", "$addr.base = $base_wb", []> {
2526 let Inst{23} = offset{8};
2528 let Inst{11-8} = offset{7-4};
2529 let Inst{3-0} = offset{3-0};
2531 def r : AI3ldstidxT<op, 1, (outs GPRnopc:$Rt, GPRnopc:$base_wb),
2532 (ins addr_offset_none:$addr, postidx_reg:$Rm),
2533 IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru, opc,
2534 "\t$Rt, $addr, $Rm", "$addr.base = $base_wb", []> {
2536 let Inst{23} = Rm{4};
2539 let Unpredictable{11-8} = 0b1111;
2540 let Inst{3-0} = Rm{3-0};
2541 let DecoderMethod = "DecodeLDR";
2545 defm LDRSBT : AI3ldrT<0b1101, "ldrsbt">;
2546 defm LDRHT : AI3ldrT<0b1011, "ldrht">;
2547 defm LDRSHT : AI3ldrT<0b1111, "ldrsht">;
2552 // Stores with truncate
2553 def STRH : AI3str<0b1011, (outs), (ins GPR:$Rt, addrmode3:$addr), StMiscFrm,
2554 IIC_iStore_bh_r, "strh", "\t$Rt, $addr",
2555 [(truncstorei16 GPR:$Rt, addrmode3:$addr)]>;
2558 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in {
2559 def STRD : AI3str<0b1111, (outs), (ins GPR:$Rt, GPR:$Rt2, addrmode3:$addr),
2560 StMiscFrm, IIC_iStore_d_r, "strd", "\t$Rt, $Rt2, $addr", []>,
2561 Requires<[IsARM, HasV5TE]> {
2565 // GNU Assembler extension (compatibility)
2566 let isAsmParserOnly = 1 in
2567 def STRD_PAIR : AI3str<0b1111, (outs), (ins GPRPairOp:$Rt, addrmode3:$addr),
2568 StMiscFrm, IIC_iStore_d_r, "strd", "\t$Rt, $addr", []>,
2569 Requires<[IsARM, HasV5TE]> {
2575 multiclass AI2_stridx<bit isByte, string opc,
2576 InstrItinClass iii, InstrItinClass iir> {
2577 def _PRE_IMM : AI2ldstidx<0, isByte, 1, (outs GPR:$Rn_wb),
2578 (ins GPR:$Rt, addrmode_imm12_pre:$addr), IndexModePre,
2580 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2583 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2584 let Inst{19-16} = addr{16-13}; // Rn
2585 let Inst{11-0} = addr{11-0}; // imm12
2586 let DecoderMethod = "DecodeSTRPreImm";
2589 def _PRE_REG : AI2ldstidx<0, isByte, 1, (outs GPR:$Rn_wb),
2590 (ins GPR:$Rt, ldst_so_reg:$addr),
2591 IndexModePre, StFrm, iir,
2592 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2595 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2596 let Inst{19-16} = addr{16-13}; // Rn
2597 let Inst{11-0} = addr{11-0};
2598 let Inst{4} = 0; // Inst{4} = 0
2599 let DecoderMethod = "DecodeSTRPreReg";
2601 def _POST_REG : AI2ldstidx<0, isByte, 0, (outs GPR:$Rn_wb),
2602 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_reg:$offset),
2603 IndexModePost, StFrm, iir,
2604 opc, "\t$Rt, $addr, $offset",
2605 "$addr.base = $Rn_wb", []> {
2611 let Inst{23} = offset{12};
2612 let Inst{19-16} = addr;
2613 let Inst{11-0} = offset{11-0};
2616 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2619 def _POST_IMM : AI2ldstidx<0, isByte, 0, (outs GPR:$Rn_wb),
2620 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_imm:$offset),
2621 IndexModePost, StFrm, iii,
2622 opc, "\t$Rt, $addr, $offset",
2623 "$addr.base = $Rn_wb", []> {
2629 let Inst{23} = offset{12};
2630 let Inst{19-16} = addr;
2631 let Inst{11-0} = offset{11-0};
2633 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2637 let mayStore = 1, neverHasSideEffects = 1 in {
2638 // FIXME: for STR_PRE_REG etc. the itineray should be either IIC_iStore_ru or
2639 // IIC_iStore_siu depending on whether it the offset register is shifted.
2640 defm STR : AI2_stridx<0, "str", IIC_iStore_iu, IIC_iStore_ru>;
2641 defm STRB : AI2_stridx<1, "strb", IIC_iStore_bh_iu, IIC_iStore_bh_ru>;
2644 def : ARMPat<(post_store GPR:$Rt, addr_offset_none:$addr,
2645 am2offset_reg:$offset),
2646 (STR_POST_REG GPR:$Rt, addr_offset_none:$addr,
2647 am2offset_reg:$offset)>;
2648 def : ARMPat<(post_store GPR:$Rt, addr_offset_none:$addr,
2649 am2offset_imm:$offset),
2650 (STR_POST_IMM GPR:$Rt, addr_offset_none:$addr,
2651 am2offset_imm:$offset)>;
2652 def : ARMPat<(post_truncsti8 GPR:$Rt, addr_offset_none:$addr,
2653 am2offset_reg:$offset),
2654 (STRB_POST_REG GPR:$Rt, addr_offset_none:$addr,
2655 am2offset_reg:$offset)>;
2656 def : ARMPat<(post_truncsti8 GPR:$Rt, addr_offset_none:$addr,
2657 am2offset_imm:$offset),
2658 (STRB_POST_IMM GPR:$Rt, addr_offset_none:$addr,
2659 am2offset_imm:$offset)>;
2661 // Pseudo-instructions for pattern matching the pre-indexed stores. We can't
2662 // put the patterns on the instruction definitions directly as ISel wants
2663 // the address base and offset to be separate operands, not a single
2664 // complex operand like we represent the instructions themselves. The
2665 // pseudos map between the two.
2666 let usesCustomInserter = 1,
2667 Constraints = "$Rn = $Rn_wb,@earlyclobber $Rn_wb" in {
2668 def STRi_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2669 (ins GPR:$Rt, GPR:$Rn, am2offset_imm:$offset, pred:$p),
2672 (pre_store GPR:$Rt, GPR:$Rn, am2offset_imm:$offset))]>;
2673 def STRr_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2674 (ins GPR:$Rt, GPR:$Rn, am2offset_reg:$offset, pred:$p),
2677 (pre_store GPR:$Rt, GPR:$Rn, am2offset_reg:$offset))]>;
2678 def STRBi_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2679 (ins GPR:$Rt, GPR:$Rn, am2offset_imm:$offset, pred:$p),
2682 (pre_truncsti8 GPR:$Rt, GPR:$Rn, am2offset_imm:$offset))]>;
2683 def STRBr_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2684 (ins GPR:$Rt, GPR:$Rn, am2offset_reg:$offset, pred:$p),
2687 (pre_truncsti8 GPR:$Rt, GPR:$Rn, am2offset_reg:$offset))]>;
2688 def STRH_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2689 (ins GPR:$Rt, GPR:$Rn, am3offset:$offset, pred:$p),
2692 (pre_truncsti16 GPR:$Rt, GPR:$Rn, am3offset:$offset))]>;
2697 def STRH_PRE : AI3ldstidx<0b1011, 0, 1, (outs GPR:$Rn_wb),
2698 (ins GPR:$Rt, addrmode3_pre:$addr), IndexModePre,
2699 StMiscFrm, IIC_iStore_bh_ru,
2700 "strh", "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2702 let Inst{23} = addr{8}; // U bit
2703 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2704 let Inst{19-16} = addr{12-9}; // Rn
2705 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2706 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2707 let DecoderMethod = "DecodeAddrMode3Instruction";
2710 def STRH_POST : AI3ldstidx<0b1011, 0, 0, (outs GPR:$Rn_wb),
2711 (ins GPR:$Rt, addr_offset_none:$addr, am3offset:$offset),
2712 IndexModePost, StMiscFrm, IIC_iStore_bh_ru,
2713 "strh", "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb",
2714 [(set GPR:$Rn_wb, (post_truncsti16 GPR:$Rt,
2715 addr_offset_none:$addr,
2716 am3offset:$offset))]> {
2719 let Inst{23} = offset{8}; // U bit
2720 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2721 let Inst{19-16} = addr;
2722 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2723 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2724 let DecoderMethod = "DecodeAddrMode3Instruction";
2727 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in {
2728 def STRD_PRE : AI3ldstidx<0b1111, 0, 1, (outs GPR:$Rn_wb),
2729 (ins GPR:$Rt, GPR:$Rt2, addrmode3_pre:$addr),
2730 IndexModePre, StMiscFrm, IIC_iStore_d_ru,
2731 "strd", "\t$Rt, $Rt2, $addr!",
2732 "$addr.base = $Rn_wb", []> {
2734 let Inst{23} = addr{8}; // U bit
2735 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2736 let Inst{19-16} = addr{12-9}; // Rn
2737 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2738 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2739 let DecoderMethod = "DecodeAddrMode3Instruction";
2742 def STRD_POST: AI3ldstidx<0b1111, 0, 0, (outs GPR:$Rn_wb),
2743 (ins GPR:$Rt, GPR:$Rt2, addr_offset_none:$addr,
2745 IndexModePost, StMiscFrm, IIC_iStore_d_ru,
2746 "strd", "\t$Rt, $Rt2, $addr, $offset",
2747 "$addr.base = $Rn_wb", []> {
2750 let Inst{23} = offset{8}; // U bit
2751 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2752 let Inst{19-16} = addr;
2753 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2754 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2755 let DecoderMethod = "DecodeAddrMode3Instruction";
2757 } // mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1
2759 // STRT, STRBT, and STRHT
2761 def STRBT_POST_REG : AI2ldstidx<0, 1, 0, (outs GPR:$Rn_wb),
2762 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_reg:$offset),
2763 IndexModePost, StFrm, IIC_iStore_bh_ru,
2764 "strbt", "\t$Rt, $addr, $offset",
2765 "$addr.base = $Rn_wb", []> {
2771 let Inst{23} = offset{12};
2772 let Inst{21} = 1; // overwrite
2773 let Inst{19-16} = addr;
2774 let Inst{11-5} = offset{11-5};
2776 let Inst{3-0} = offset{3-0};
2777 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2780 class STRBTImmediate<bit has_offset, string args, dag iops>
2781 : AI2ldstidx<0, 1, 0, (outs GPR:$Rn_wb), iops, IndexModePost, StFrm,
2782 IIC_iStore_bh_ru, "strbt", args, "$addr.base = $Rn_wb", []> {
2788 let Inst{23} = !if(has_offset, offset{12}, 1);
2789 let Inst{21} = 1; // overwrite
2790 let Inst{19-16} = addr;
2791 let Inst{11-0} = !if(has_offset, offset{11-0}, 0);
2795 : STRBTImmediate<1, "\t$Rt, $addr, $offset",
2796 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_imm:$offset)> {
2797 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2801 def STRBT_POST_IMM_0
2802 : STRBTImmediate<0, "\t$Rt, $addr", (ins GPR:$Rt, addr_offset_none:$addr)>;
2804 let mayStore = 1, neverHasSideEffects = 1 in {
2805 def STRT_POST_REG : AI2ldstidx<0, 0, 0, (outs GPR:$Rn_wb),
2806 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_reg:$offset),
2807 IndexModePost, StFrm, IIC_iStore_ru,
2808 "strt", "\t$Rt, $addr, $offset",
2809 "$addr.base = $Rn_wb", []> {
2815 let Inst{23} = offset{12};
2816 let Inst{21} = 1; // overwrite
2817 let Inst{19-16} = addr;
2818 let Inst{11-5} = offset{11-5};
2820 let Inst{3-0} = offset{3-0};
2821 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2824 class STRTImmediate<bit has_offset, string args, dag iops>
2825 : AI2ldstidx<0, 0, 0, (outs GPR:$Rn_wb), iops, IndexModePost, StFrm,
2826 IIC_iStore_ru, "strt", args, "$addr.base = $Rn_wb", []> {
2832 let Inst{23} = !if(has_offset, offset{12}, 1);
2833 let Inst{21} = 1; // overwrite
2834 let Inst{19-16} = addr;
2835 let Inst{11-0} = !if(has_offset, offset{11-0}, 0);
2839 : STRTImmediate<1, "\t$Rt, $addr, $offset",
2840 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_imm:$offset)> {
2841 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2845 : STRTImmediate<0, "\t$Rt, $addr", (ins GPR:$Rt, addr_offset_none:$addr)>;
2849 multiclass AI3strT<bits<4> op, string opc> {
2850 def i : AI3ldstidxT<op, 0, (outs GPR:$base_wb),
2851 (ins GPR:$Rt, addr_offset_none:$addr, postidx_imm8:$offset),
2852 IndexModePost, StMiscFrm, IIC_iStore_bh_ru, opc,
2853 "\t$Rt, $addr, $offset", "$addr.base = $base_wb", []> {
2855 let Inst{23} = offset{8};
2857 let Inst{11-8} = offset{7-4};
2858 let Inst{3-0} = offset{3-0};
2860 def r : AI3ldstidxT<op, 0, (outs GPR:$base_wb),
2861 (ins GPR:$Rt, addr_offset_none:$addr, postidx_reg:$Rm),
2862 IndexModePost, StMiscFrm, IIC_iStore_bh_ru, opc,
2863 "\t$Rt, $addr, $Rm", "$addr.base = $base_wb", []> {
2865 let Inst{23} = Rm{4};
2868 let Inst{3-0} = Rm{3-0};
2873 defm STRHT : AI3strT<0b1011, "strht">;
2875 def STL : AIstrrel<0b00, (outs), (ins GPR:$Rt, addr_offset_none:$addr),
2876 NoItinerary, "stl", "\t$Rt, $addr", []>;
2877 def STLB : AIstrrel<0b10, (outs), (ins GPR:$Rt, addr_offset_none:$addr),
2878 NoItinerary, "stlb", "\t$Rt, $addr", []>;
2879 def STLH : AIstrrel<0b11, (outs), (ins GPR:$Rt, addr_offset_none:$addr),
2880 NoItinerary, "stlh", "\t$Rt, $addr", []>;
2882 //===----------------------------------------------------------------------===//
2883 // Load / store multiple Instructions.
2886 multiclass arm_ldst_mult<string asm, string sfx, bit L_bit, bit P_bit, Format f,
2887 InstrItinClass itin, InstrItinClass itin_upd> {
2888 // IA is the default, so no need for an explicit suffix on the
2889 // mnemonic here. Without it is the canonical spelling.
2891 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2892 IndexModeNone, f, itin,
2893 !strconcat(asm, "${p}\t$Rn, $regs", sfx), "", []> {
2894 let Inst{24-23} = 0b01; // Increment After
2895 let Inst{22} = P_bit;
2896 let Inst{21} = 0; // No writeback
2897 let Inst{20} = L_bit;
2900 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2901 IndexModeUpd, f, itin_upd,
2902 !strconcat(asm, "${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
2903 let Inst{24-23} = 0b01; // Increment After
2904 let Inst{22} = P_bit;
2905 let Inst{21} = 1; // Writeback
2906 let Inst{20} = L_bit;
2908 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
2911 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2912 IndexModeNone, f, itin,
2913 !strconcat(asm, "da${p}\t$Rn, $regs", sfx), "", []> {
2914 let Inst{24-23} = 0b00; // Decrement After
2915 let Inst{22} = P_bit;
2916 let Inst{21} = 0; // No writeback
2917 let Inst{20} = L_bit;
2920 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2921 IndexModeUpd, f, itin_upd,
2922 !strconcat(asm, "da${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
2923 let Inst{24-23} = 0b00; // Decrement After
2924 let Inst{22} = P_bit;
2925 let Inst{21} = 1; // Writeback
2926 let Inst{20} = L_bit;
2928 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
2931 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2932 IndexModeNone, f, itin,
2933 !strconcat(asm, "db${p}\t$Rn, $regs", sfx), "", []> {
2934 let Inst{24-23} = 0b10; // Decrement Before
2935 let Inst{22} = P_bit;
2936 let Inst{21} = 0; // No writeback
2937 let Inst{20} = L_bit;
2940 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2941 IndexModeUpd, f, itin_upd,
2942 !strconcat(asm, "db${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
2943 let Inst{24-23} = 0b10; // Decrement Before
2944 let Inst{22} = P_bit;
2945 let Inst{21} = 1; // Writeback
2946 let Inst{20} = L_bit;
2948 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
2951 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2952 IndexModeNone, f, itin,
2953 !strconcat(asm, "ib${p}\t$Rn, $regs", sfx), "", []> {
2954 let Inst{24-23} = 0b11; // Increment Before
2955 let Inst{22} = P_bit;
2956 let Inst{21} = 0; // No writeback
2957 let Inst{20} = L_bit;
2960 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2961 IndexModeUpd, f, itin_upd,
2962 !strconcat(asm, "ib${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
2963 let Inst{24-23} = 0b11; // Increment Before
2964 let Inst{22} = P_bit;
2965 let Inst{21} = 1; // Writeback
2966 let Inst{20} = L_bit;
2968 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
2972 let neverHasSideEffects = 1 in {
2974 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
2975 defm LDM : arm_ldst_mult<"ldm", "", 1, 0, LdStMulFrm, IIC_iLoad_m,
2978 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
2979 defm STM : arm_ldst_mult<"stm", "", 0, 0, LdStMulFrm, IIC_iStore_m,
2982 } // neverHasSideEffects
2984 // FIXME: remove when we have a way to marking a MI with these properties.
2985 // FIXME: Should pc be an implicit operand like PICADD, etc?
2986 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
2987 hasExtraDefRegAllocReq = 1, isCodeGenOnly = 1 in
2988 def LDMIA_RET : ARMPseudoExpand<(outs GPR:$wb), (ins GPR:$Rn, pred:$p,
2989 reglist:$regs, variable_ops),
2990 4, IIC_iLoad_mBr, [],
2991 (LDMIA_UPD GPR:$wb, GPR:$Rn, pred:$p, reglist:$regs)>,
2992 RegConstraint<"$Rn = $wb">;
2994 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
2995 defm sysLDM : arm_ldst_mult<"ldm", " ^", 1, 1, LdStMulFrm, IIC_iLoad_m,
2998 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
2999 defm sysSTM : arm_ldst_mult<"stm", " ^", 0, 1, LdStMulFrm, IIC_iStore_m,
3004 //===----------------------------------------------------------------------===//
3005 // Move Instructions.
3008 let neverHasSideEffects = 1 in
3009 def MOVr : AsI1<0b1101, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMOVr,
3010 "mov", "\t$Rd, $Rm", []>, UnaryDP, Sched<[WriteALU]> {
3014 let Inst{19-16} = 0b0000;
3015 let Inst{11-4} = 0b00000000;
3018 let Inst{15-12} = Rd;
3021 // A version for the smaller set of tail call registers.
3022 let neverHasSideEffects = 1 in
3023 def MOVr_TC : AsI1<0b1101, (outs tcGPR:$Rd), (ins tcGPR:$Rm), DPFrm,
3024 IIC_iMOVr, "mov", "\t$Rd, $Rm", []>, UnaryDP, Sched<[WriteALU]> {
3028 let Inst{11-4} = 0b00000000;
3031 let Inst{15-12} = Rd;
3034 def MOVsr : AsI1<0b1101, (outs GPRnopc:$Rd), (ins shift_so_reg_reg:$src),
3035 DPSoRegRegFrm, IIC_iMOVsr,
3036 "mov", "\t$Rd, $src",
3037 [(set GPRnopc:$Rd, shift_so_reg_reg:$src)]>, UnaryDP,
3041 let Inst{15-12} = Rd;
3042 let Inst{19-16} = 0b0000;
3043 let Inst{11-8} = src{11-8};
3045 let Inst{6-5} = src{6-5};
3047 let Inst{3-0} = src{3-0};
3051 def MOVsi : AsI1<0b1101, (outs GPR:$Rd), (ins shift_so_reg_imm:$src),
3052 DPSoRegImmFrm, IIC_iMOVsr,
3053 "mov", "\t$Rd, $src", [(set GPR:$Rd, shift_so_reg_imm:$src)]>,
3054 UnaryDP, Sched<[WriteALU]> {
3057 let Inst{15-12} = Rd;
3058 let Inst{19-16} = 0b0000;
3059 let Inst{11-5} = src{11-5};
3061 let Inst{3-0} = src{3-0};
3065 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
3066 def MOVi : AsI1<0b1101, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm, IIC_iMOVi,
3067 "mov", "\t$Rd, $imm", [(set GPR:$Rd, so_imm:$imm)]>, UnaryDP,
3072 let Inst{15-12} = Rd;
3073 let Inst{19-16} = 0b0000;
3074 let Inst{11-0} = imm;
3077 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
3078 def MOVi16 : AI1<0b1000, (outs GPR:$Rd), (ins imm0_65535_expr:$imm),
3080 "movw", "\t$Rd, $imm",
3081 [(set GPR:$Rd, imm0_65535:$imm)]>,
3082 Requires<[IsARM, HasV6T2]>, UnaryDP, Sched<[WriteALU]> {
3085 let Inst{15-12} = Rd;
3086 let Inst{11-0} = imm{11-0};
3087 let Inst{19-16} = imm{15-12};
3090 let DecoderMethod = "DecodeArmMOVTWInstruction";
3093 def : InstAlias<"mov${p} $Rd, $imm",
3094 (MOVi16 GPR:$Rd, imm0_65535_expr:$imm, pred:$p)>,
3097 def MOVi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
3098 (ins i32imm:$addr, pclabel:$id), IIC_iMOVi, []>,
3101 let Constraints = "$src = $Rd" in {
3102 def MOVTi16 : AI1<0b1010, (outs GPRnopc:$Rd),
3103 (ins GPR:$src, imm0_65535_expr:$imm),
3105 "movt", "\t$Rd, $imm",
3107 (or (and GPR:$src, 0xffff),
3108 lo16AllZero:$imm))]>, UnaryDP,
3109 Requires<[IsARM, HasV6T2]>, Sched<[WriteALU]> {
3112 let Inst{15-12} = Rd;
3113 let Inst{11-0} = imm{11-0};
3114 let Inst{19-16} = imm{15-12};
3117 let DecoderMethod = "DecodeArmMOVTWInstruction";
3120 def MOVTi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
3121 (ins GPR:$src, i32imm:$addr, pclabel:$id), IIC_iMOVi, []>,
3126 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
3127 Requires<[IsARM, HasV6T2]>;
3129 let Uses = [CPSR] in
3130 def RRX: PseudoInst<(outs GPR:$Rd), (ins GPR:$Rm), IIC_iMOVsi,
3131 [(set GPR:$Rd, (ARMrrx GPR:$Rm))]>, UnaryDP,
3132 Requires<[IsARM]>, Sched<[WriteALU]>;
3134 // These aren't really mov instructions, but we have to define them this way
3135 // due to flag operands.
3137 let Defs = [CPSR] in {
3138 def MOVsrl_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
3139 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP,
3140 Sched<[WriteALU]>, Requires<[IsARM]>;
3141 def MOVsra_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
3142 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP,
3143 Sched<[WriteALU]>, Requires<[IsARM]>;
3146 //===----------------------------------------------------------------------===//
3147 // Extend Instructions.
3152 def SXTB : AI_ext_rrot<0b01101010,
3153 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
3154 def SXTH : AI_ext_rrot<0b01101011,
3155 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
3157 def SXTAB : AI_exta_rrot<0b01101010,
3158 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
3159 def SXTAH : AI_exta_rrot<0b01101011,
3160 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
3162 def SXTB16 : AI_ext_rrot_np<0b01101000, "sxtb16">;
3164 def SXTAB16 : AI_exta_rrot_np<0b01101000, "sxtab16">;
3168 let AddedComplexity = 16 in {
3169 def UXTB : AI_ext_rrot<0b01101110,
3170 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
3171 def UXTH : AI_ext_rrot<0b01101111,
3172 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
3173 def UXTB16 : AI_ext_rrot<0b01101100,
3174 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
3176 // FIXME: This pattern incorrectly assumes the shl operator is a rotate.
3177 // The transformation should probably be done as a combiner action
3178 // instead so we can include a check for masking back in the upper
3179 // eight bits of the source into the lower eight bits of the result.
3180 //def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
3181 // (UXTB16r_rot GPR:$Src, 3)>;
3182 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
3183 (UXTB16 GPR:$Src, 1)>;
3185 def UXTAB : AI_exta_rrot<0b01101110, "uxtab",
3186 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
3187 def UXTAH : AI_exta_rrot<0b01101111, "uxtah",
3188 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
3191 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
3192 def UXTAB16 : AI_exta_rrot_np<0b01101100, "uxtab16">;
3195 def SBFX : I<(outs GPRnopc:$Rd),
3196 (ins GPRnopc:$Rn, imm0_31:$lsb, imm1_32:$width),
3197 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3198 "sbfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
3199 Requires<[IsARM, HasV6T2]> {
3204 let Inst{27-21} = 0b0111101;
3205 let Inst{6-4} = 0b101;
3206 let Inst{20-16} = width;
3207 let Inst{15-12} = Rd;
3208 let Inst{11-7} = lsb;
3212 def UBFX : I<(outs GPR:$Rd),
3213 (ins GPR:$Rn, imm0_31:$lsb, imm1_32:$width),
3214 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3215 "ubfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
3216 Requires<[IsARM, HasV6T2]> {
3221 let Inst{27-21} = 0b0111111;
3222 let Inst{6-4} = 0b101;
3223 let Inst{20-16} = width;
3224 let Inst{15-12} = Rd;
3225 let Inst{11-7} = lsb;
3229 //===----------------------------------------------------------------------===//
3230 // Arithmetic Instructions.
3233 defm ADD : AsI1_bin_irs<0b0100, "add",
3234 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3235 BinOpFrag<(add node:$LHS, node:$RHS)>, 1>;
3236 defm SUB : AsI1_bin_irs<0b0010, "sub",
3237 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3238 BinOpFrag<(sub node:$LHS, node:$RHS)>>;
3240 // ADD and SUB with 's' bit set.
3242 // Currently, ADDS/SUBS are pseudo opcodes that exist only in the
3243 // selection DAG. They are "lowered" to real ADD/SUB opcodes by
3244 // AdjustInstrPostInstrSelection where we determine whether or not to
3245 // set the "s" bit based on CPSR liveness.
3247 // FIXME: Eliminate ADDS/SUBS pseudo opcodes after adding tablegen
3248 // support for an optional CPSR definition that corresponds to the DAG
3249 // node's second value. We can then eliminate the implicit def of CPSR.
3250 defm ADDS : AsI1_bin_s_irs<IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3251 BinOpFrag<(ARMaddc node:$LHS, node:$RHS)>, 1>;
3252 defm SUBS : AsI1_bin_s_irs<IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3253 BinOpFrag<(ARMsubc node:$LHS, node:$RHS)>>;
3255 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
3256 BinOpWithFlagFrag<(ARMadde node:$LHS, node:$RHS, node:$FLAG)>, 1>;
3257 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
3258 BinOpWithFlagFrag<(ARMsube node:$LHS, node:$RHS, node:$FLAG)>>;
3260 defm RSB : AsI1_rbin_irs<0b0011, "rsb",
3261 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3262 BinOpFrag<(sub node:$LHS, node:$RHS)>>;
3264 // FIXME: Eliminate them if we can write def : Pat patterns which defines
3265 // CPSR and the implicit def of CPSR is not needed.
3266 defm RSBS : AsI1_rbin_s_is<IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3267 BinOpFrag<(ARMsubc node:$LHS, node:$RHS)>>;
3269 defm RSC : AI1_rsc_irs<0b0111, "rsc",
3270 BinOpWithFlagFrag<(ARMsube node:$LHS, node:$RHS, node:$FLAG)>>;
3272 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
3273 // The assume-no-carry-in form uses the negation of the input since add/sub
3274 // assume opposite meanings of the carry flag (i.e., carry == !borrow).
3275 // See the definition of AddWithCarry() in the ARM ARM A2.2.1 for the gory
3277 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
3278 (SUBri GPR:$src, so_imm_neg:$imm)>;
3279 def : ARMPat<(ARMaddc GPR:$src, so_imm_neg:$imm),
3280 (SUBSri GPR:$src, so_imm_neg:$imm)>;
3282 def : ARMPat<(add GPR:$src, imm0_65535_neg:$imm),
3283 (SUBrr GPR:$src, (MOVi16 (imm_neg_XFORM imm:$imm)))>,
3284 Requires<[IsARM, HasV6T2]>;
3285 def : ARMPat<(ARMaddc GPR:$src, imm0_65535_neg:$imm),
3286 (SUBSrr GPR:$src, (MOVi16 (imm_neg_XFORM imm:$imm)))>,
3287 Requires<[IsARM, HasV6T2]>;
3289 // The with-carry-in form matches bitwise not instead of the negation.
3290 // Effectively, the inverse interpretation of the carry flag already accounts
3291 // for part of the negation.
3292 def : ARMPat<(ARMadde GPR:$src, so_imm_not:$imm, CPSR),
3293 (SBCri GPR:$src, so_imm_not:$imm)>;
3294 def : ARMPat<(ARMadde GPR:$src, imm0_65535_neg:$imm, CPSR),
3295 (SBCrr GPR:$src, (MOVi16 (imm_not_XFORM imm:$imm)))>;
3297 // Note: These are implemented in C++ code, because they have to generate
3298 // ADD/SUBrs instructions, which use a complex pattern that a xform function
3300 // (mul X, 2^n+1) -> (add (X << n), X)
3301 // (mul X, 2^n-1) -> (rsb X, (X << n))
3303 // ARM Arithmetic Instruction
3304 // GPR:$dst = GPR:$a op GPR:$b
3305 class AAI<bits<8> op27_20, bits<8> op11_4, string opc,
3306 list<dag> pattern = [],
3307 dag iops = (ins GPRnopc:$Rn, GPRnopc:$Rm),
3308 string asm = "\t$Rd, $Rn, $Rm">
3309 : AI<(outs GPRnopc:$Rd), iops, DPFrm, IIC_iALUr, opc, asm, pattern>,
3310 Sched<[WriteALU, ReadALU, ReadALU]> {
3314 let Inst{27-20} = op27_20;
3315 let Inst{11-4} = op11_4;
3316 let Inst{19-16} = Rn;
3317 let Inst{15-12} = Rd;
3320 let Unpredictable{11-8} = 0b1111;
3323 // Saturating add/subtract
3325 let DecoderMethod = "DecodeQADDInstruction" in
3326 def QADD : AAI<0b00010000, 0b00000101, "qadd",
3327 [(set GPRnopc:$Rd, (int_arm_qadd GPRnopc:$Rm, GPRnopc:$Rn))],
3328 (ins GPRnopc:$Rm, GPRnopc:$Rn), "\t$Rd, $Rm, $Rn">;
3330 def QSUB : AAI<0b00010010, 0b00000101, "qsub",
3331 [(set GPRnopc:$Rd, (int_arm_qsub GPRnopc:$Rm, GPRnopc:$Rn))],
3332 (ins GPRnopc:$Rm, GPRnopc:$Rn), "\t$Rd, $Rm, $Rn">;
3333 def QDADD : AAI<0b00010100, 0b00000101, "qdadd", [],
3334 (ins GPRnopc:$Rm, GPRnopc:$Rn),
3336 def QDSUB : AAI<0b00010110, 0b00000101, "qdsub", [],
3337 (ins GPRnopc:$Rm, GPRnopc:$Rn),
3340 def QADD16 : AAI<0b01100010, 0b11110001, "qadd16">;
3341 def QADD8 : AAI<0b01100010, 0b11111001, "qadd8">;
3342 def QASX : AAI<0b01100010, 0b11110011, "qasx">;
3343 def QSAX : AAI<0b01100010, 0b11110101, "qsax">;
3344 def QSUB16 : AAI<0b01100010, 0b11110111, "qsub16">;
3345 def QSUB8 : AAI<0b01100010, 0b11111111, "qsub8">;
3346 def UQADD16 : AAI<0b01100110, 0b11110001, "uqadd16">;
3347 def UQADD8 : AAI<0b01100110, 0b11111001, "uqadd8">;
3348 def UQASX : AAI<0b01100110, 0b11110011, "uqasx">;
3349 def UQSAX : AAI<0b01100110, 0b11110101, "uqsax">;
3350 def UQSUB16 : AAI<0b01100110, 0b11110111, "uqsub16">;
3351 def UQSUB8 : AAI<0b01100110, 0b11111111, "uqsub8">;
3353 // Signed/Unsigned add/subtract
3355 def SASX : AAI<0b01100001, 0b11110011, "sasx">;
3356 def SADD16 : AAI<0b01100001, 0b11110001, "sadd16">;
3357 def SADD8 : AAI<0b01100001, 0b11111001, "sadd8">;
3358 def SSAX : AAI<0b01100001, 0b11110101, "ssax">;
3359 def SSUB16 : AAI<0b01100001, 0b11110111, "ssub16">;
3360 def SSUB8 : AAI<0b01100001, 0b11111111, "ssub8">;
3361 def UASX : AAI<0b01100101, 0b11110011, "uasx">;
3362 def UADD16 : AAI<0b01100101, 0b11110001, "uadd16">;
3363 def UADD8 : AAI<0b01100101, 0b11111001, "uadd8">;
3364 def USAX : AAI<0b01100101, 0b11110101, "usax">;
3365 def USUB16 : AAI<0b01100101, 0b11110111, "usub16">;
3366 def USUB8 : AAI<0b01100101, 0b11111111, "usub8">;
3368 // Signed/Unsigned halving add/subtract
3370 def SHASX : AAI<0b01100011, 0b11110011, "shasx">;
3371 def SHADD16 : AAI<0b01100011, 0b11110001, "shadd16">;
3372 def SHADD8 : AAI<0b01100011, 0b11111001, "shadd8">;
3373 def SHSAX : AAI<0b01100011, 0b11110101, "shsax">;
3374 def SHSUB16 : AAI<0b01100011, 0b11110111, "shsub16">;
3375 def SHSUB8 : AAI<0b01100011, 0b11111111, "shsub8">;
3376 def UHASX : AAI<0b01100111, 0b11110011, "uhasx">;
3377 def UHADD16 : AAI<0b01100111, 0b11110001, "uhadd16">;
3378 def UHADD8 : AAI<0b01100111, 0b11111001, "uhadd8">;
3379 def UHSAX : AAI<0b01100111, 0b11110101, "uhsax">;
3380 def UHSUB16 : AAI<0b01100111, 0b11110111, "uhsub16">;
3381 def UHSUB8 : AAI<0b01100111, 0b11111111, "uhsub8">;
3383 // Unsigned Sum of Absolute Differences [and Accumulate].
3385 def USAD8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3386 MulFrm /* for convenience */, NoItinerary, "usad8",
3387 "\t$Rd, $Rn, $Rm", []>,
3388 Requires<[IsARM, HasV6]>, Sched<[WriteALU, ReadALU, ReadALU]> {
3392 let Inst{27-20} = 0b01111000;
3393 let Inst{15-12} = 0b1111;
3394 let Inst{7-4} = 0b0001;
3395 let Inst{19-16} = Rd;
3396 let Inst{11-8} = Rm;
3399 def USADA8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3400 MulFrm /* for convenience */, NoItinerary, "usada8",
3401 "\t$Rd, $Rn, $Rm, $Ra", []>,
3402 Requires<[IsARM, HasV6]>, Sched<[WriteALU, ReadALU, ReadALU]>{
3407 let Inst{27-20} = 0b01111000;
3408 let Inst{7-4} = 0b0001;
3409 let Inst{19-16} = Rd;
3410 let Inst{15-12} = Ra;
3411 let Inst{11-8} = Rm;
3415 // Signed/Unsigned saturate
3417 def SSAT : AI<(outs GPRnopc:$Rd),
3418 (ins imm1_32:$sat_imm, GPRnopc:$Rn, shift_imm:$sh),
3419 SatFrm, NoItinerary, "ssat", "\t$Rd, $sat_imm, $Rn$sh", []> {
3424 let Inst{27-21} = 0b0110101;
3425 let Inst{5-4} = 0b01;
3426 let Inst{20-16} = sat_imm;
3427 let Inst{15-12} = Rd;
3428 let Inst{11-7} = sh{4-0};
3429 let Inst{6} = sh{5};
3433 def SSAT16 : AI<(outs GPRnopc:$Rd),
3434 (ins imm1_16:$sat_imm, GPRnopc:$Rn), SatFrm,
3435 NoItinerary, "ssat16", "\t$Rd, $sat_imm, $Rn", []> {
3439 let Inst{27-20} = 0b01101010;
3440 let Inst{11-4} = 0b11110011;
3441 let Inst{15-12} = Rd;
3442 let Inst{19-16} = sat_imm;
3446 def USAT : AI<(outs GPRnopc:$Rd),
3447 (ins imm0_31:$sat_imm, GPRnopc:$Rn, shift_imm:$sh),
3448 SatFrm, NoItinerary, "usat", "\t$Rd, $sat_imm, $Rn$sh", []> {
3453 let Inst{27-21} = 0b0110111;
3454 let Inst{5-4} = 0b01;
3455 let Inst{15-12} = Rd;
3456 let Inst{11-7} = sh{4-0};
3457 let Inst{6} = sh{5};
3458 let Inst{20-16} = sat_imm;
3462 def USAT16 : AI<(outs GPRnopc:$Rd),
3463 (ins imm0_15:$sat_imm, GPRnopc:$Rn), SatFrm,
3464 NoItinerary, "usat16", "\t$Rd, $sat_imm, $Rn", []> {
3468 let Inst{27-20} = 0b01101110;
3469 let Inst{11-4} = 0b11110011;
3470 let Inst{15-12} = Rd;
3471 let Inst{19-16} = sat_imm;
3475 def : ARMV6Pat<(int_arm_ssat GPRnopc:$a, imm:$pos),
3476 (SSAT imm:$pos, GPRnopc:$a, 0)>;
3477 def : ARMV6Pat<(int_arm_usat GPRnopc:$a, imm:$pos),
3478 (USAT imm:$pos, GPRnopc:$a, 0)>;
3480 //===----------------------------------------------------------------------===//
3481 // Bitwise Instructions.
3484 defm AND : AsI1_bin_irs<0b0000, "and",
3485 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3486 BinOpFrag<(and node:$LHS, node:$RHS)>, 1>;
3487 defm ORR : AsI1_bin_irs<0b1100, "orr",
3488 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3489 BinOpFrag<(or node:$LHS, node:$RHS)>, 1>;
3490 defm EOR : AsI1_bin_irs<0b0001, "eor",
3491 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3492 BinOpFrag<(xor node:$LHS, node:$RHS)>, 1>;
3493 defm BIC : AsI1_bin_irs<0b1110, "bic",
3494 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3495 BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
3497 // FIXME: bf_inv_mask_imm should be two operands, the lsb and the msb, just
3498 // like in the actual instruction encoding. The complexity of mapping the mask
3499 // to the lsb/msb pair should be handled by ISel, not encapsulated in the
3500 // instruction description.
3501 def BFC : I<(outs GPR:$Rd), (ins GPR:$src, bf_inv_mask_imm:$imm),
3502 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3503 "bfc", "\t$Rd, $imm", "$src = $Rd",
3504 [(set GPR:$Rd, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
3505 Requires<[IsARM, HasV6T2]> {
3508 let Inst{27-21} = 0b0111110;
3509 let Inst{6-0} = 0b0011111;
3510 let Inst{15-12} = Rd;
3511 let Inst{11-7} = imm{4-0}; // lsb
3512 let Inst{20-16} = imm{9-5}; // msb
3515 // A8.6.18 BFI - Bitfield insert (Encoding A1)
3516 def BFI:I<(outs GPRnopc:$Rd), (ins GPRnopc:$src, GPR:$Rn, bf_inv_mask_imm:$imm),
3517 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3518 "bfi", "\t$Rd, $Rn, $imm", "$src = $Rd",
3519 [(set GPRnopc:$Rd, (ARMbfi GPRnopc:$src, GPR:$Rn,
3520 bf_inv_mask_imm:$imm))]>,
3521 Requires<[IsARM, HasV6T2]> {
3525 let Inst{27-21} = 0b0111110;
3526 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
3527 let Inst{15-12} = Rd;
3528 let Inst{11-7} = imm{4-0}; // lsb
3529 let Inst{20-16} = imm{9-5}; // width
3533 def MVNr : AsI1<0b1111, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMVNr,
3534 "mvn", "\t$Rd, $Rm",
3535 [(set GPR:$Rd, (not GPR:$Rm))]>, UnaryDP, Sched<[WriteALU]> {
3539 let Inst{19-16} = 0b0000;
3540 let Inst{11-4} = 0b00000000;
3541 let Inst{15-12} = Rd;
3544 def MVNsi : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg_imm:$shift),
3545 DPSoRegImmFrm, IIC_iMVNsr, "mvn", "\t$Rd, $shift",
3546 [(set GPR:$Rd, (not so_reg_imm:$shift))]>, UnaryDP,
3551 let Inst{19-16} = 0b0000;
3552 let Inst{15-12} = Rd;
3553 let Inst{11-5} = shift{11-5};
3555 let Inst{3-0} = shift{3-0};
3557 def MVNsr : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg_reg:$shift),
3558 DPSoRegRegFrm, IIC_iMVNsr, "mvn", "\t$Rd, $shift",
3559 [(set GPR:$Rd, (not so_reg_reg:$shift))]>, UnaryDP,
3564 let Inst{19-16} = 0b0000;
3565 let Inst{15-12} = Rd;
3566 let Inst{11-8} = shift{11-8};
3568 let Inst{6-5} = shift{6-5};
3570 let Inst{3-0} = shift{3-0};
3572 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
3573 def MVNi : AsI1<0b1111, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm,
3574 IIC_iMVNi, "mvn", "\t$Rd, $imm",
3575 [(set GPR:$Rd, so_imm_not:$imm)]>,UnaryDP, Sched<[WriteALU]> {
3579 let Inst{19-16} = 0b0000;
3580 let Inst{15-12} = Rd;
3581 let Inst{11-0} = imm;
3584 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
3585 (BICri GPR:$src, so_imm_not:$imm)>;
3587 //===----------------------------------------------------------------------===//
3588 // Multiply Instructions.
3590 class AsMul1I32<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
3591 string opc, string asm, list<dag> pattern>
3592 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
3596 let Inst{19-16} = Rd;
3597 let Inst{11-8} = Rm;
3600 class AsMul1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
3601 string opc, string asm, list<dag> pattern>
3602 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
3607 let Inst{19-16} = RdHi;
3608 let Inst{15-12} = RdLo;
3609 let Inst{11-8} = Rm;
3612 class AsMla1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
3613 string opc, string asm, list<dag> pattern>
3614 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
3619 let Inst{19-16} = RdHi;
3620 let Inst{15-12} = RdLo;
3621 let Inst{11-8} = Rm;
3625 // FIXME: The v5 pseudos are only necessary for the additional Constraint
3626 // property. Remove them when it's possible to add those properties
3627 // on an individual MachineInstr, not just an instruction description.
3628 let isCommutable = 1, TwoOperandAliasConstraint = "$Rn = $Rd" in {
3629 def MUL : AsMul1I32<0b0000000, (outs GPRnopc:$Rd),
3630 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3631 IIC_iMUL32, "mul", "\t$Rd, $Rn, $Rm",
3632 [(set GPRnopc:$Rd, (mul GPRnopc:$Rn, GPRnopc:$Rm))]>,
3633 Requires<[IsARM, HasV6]> {
3634 let Inst{15-12} = 0b0000;
3635 let Unpredictable{15-12} = 0b1111;
3638 let Constraints = "@earlyclobber $Rd" in
3639 def MULv5: ARMPseudoExpand<(outs GPRnopc:$Rd), (ins GPRnopc:$Rn, GPRnopc:$Rm,
3640 pred:$p, cc_out:$s),
3642 [(set GPRnopc:$Rd, (mul GPRnopc:$Rn, GPRnopc:$Rm))],
3643 (MUL GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p, cc_out:$s)>,
3644 Requires<[IsARM, NoV6, UseMulOps]>;
3647 def MLA : AsMul1I32<0b0000001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3648 IIC_iMAC32, "mla", "\t$Rd, $Rn, $Rm, $Ra",
3649 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
3650 Requires<[IsARM, HasV6, UseMulOps]> {
3652 let Inst{15-12} = Ra;
3655 let Constraints = "@earlyclobber $Rd" in
3656 def MLAv5: ARMPseudoExpand<(outs GPR:$Rd),
3657 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra, pred:$p, cc_out:$s),
3659 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))],
3660 (MLA GPR:$Rd, GPR:$Rn, GPR:$Rm, GPR:$Ra, pred:$p, cc_out:$s)>,
3661 Requires<[IsARM, NoV6]>;
3663 def MLS : AMul1I<0b0000011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3664 IIC_iMAC32, "mls", "\t$Rd, $Rn, $Rm, $Ra",
3665 [(set GPR:$Rd, (sub GPR:$Ra, (mul GPR:$Rn, GPR:$Rm)))]>,
3666 Requires<[IsARM, HasV6T2, UseMulOps]> {
3671 let Inst{19-16} = Rd;
3672 let Inst{15-12} = Ra;
3673 let Inst{11-8} = Rm;
3677 // Extra precision multiplies with low / high results
3678 let neverHasSideEffects = 1 in {
3679 let isCommutable = 1 in {
3680 def SMULL : AsMul1I64<0b0000110, (outs GPR:$RdLo, GPR:$RdHi),
3681 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
3682 "smull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3683 Requires<[IsARM, HasV6]>;
3685 def UMULL : AsMul1I64<0b0000100, (outs GPR:$RdLo, GPR:$RdHi),
3686 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
3687 "umull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3688 Requires<[IsARM, HasV6]>;
3690 let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
3691 def SMULLv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3692 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
3694 (SMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3695 Requires<[IsARM, NoV6]>;
3697 def UMULLv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3698 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
3700 (UMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3701 Requires<[IsARM, NoV6]>;
3705 // Multiply + accumulate
3706 def SMLAL : AsMla1I64<0b0000111, (outs GPR:$RdLo, GPR:$RdHi),
3707 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi), IIC_iMAC64,
3708 "smlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3709 RegConstraint<"$RLo = $RdLo, $RHi = $RdHi">, Requires<[IsARM, HasV6]>;
3710 def UMLAL : AsMla1I64<0b0000101, (outs GPR:$RdLo, GPR:$RdHi),
3711 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi), IIC_iMAC64,
3712 "umlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3713 RegConstraint<"$RLo = $RdLo, $RHi = $RdHi">, Requires<[IsARM, HasV6]>;
3715 def UMAAL : AMul1I <0b0000010, (outs GPR:$RdLo, GPR:$RdHi),
3716 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
3717 "umaal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3718 Requires<[IsARM, HasV6]> {
3723 let Inst{19-16} = RdHi;
3724 let Inst{15-12} = RdLo;
3725 let Inst{11-8} = Rm;
3729 let Constraints = "$RLo = $RdLo,$RHi = $RdHi" in {
3730 def SMLALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3731 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi, pred:$p, cc_out:$s),
3733 (SMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi,
3734 pred:$p, cc_out:$s)>,
3735 Requires<[IsARM, NoV6]>;
3736 def UMLALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3737 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi, pred:$p, cc_out:$s),
3739 (UMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi,
3740 pred:$p, cc_out:$s)>,
3741 Requires<[IsARM, NoV6]>;
3744 let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
3745 def UMAALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3746 (ins GPR:$Rn, GPR:$Rm, pred:$p),
3748 (UMAAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p)>,
3749 Requires<[IsARM, NoV6]>;
3752 } // neverHasSideEffects
3754 // Most significant word multiply
3755 def SMMUL : AMul2I <0b0111010, 0b0001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3756 IIC_iMUL32, "smmul", "\t$Rd, $Rn, $Rm",
3757 [(set GPR:$Rd, (mulhs GPR:$Rn, GPR:$Rm))]>,
3758 Requires<[IsARM, HasV6]> {
3759 let Inst{15-12} = 0b1111;
3762 def SMMULR : AMul2I <0b0111010, 0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3763 IIC_iMUL32, "smmulr", "\t$Rd, $Rn, $Rm", []>,
3764 Requires<[IsARM, HasV6]> {
3765 let Inst{15-12} = 0b1111;
3768 def SMMLA : AMul2Ia <0b0111010, 0b0001, (outs GPR:$Rd),
3769 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3770 IIC_iMAC32, "smmla", "\t$Rd, $Rn, $Rm, $Ra",
3771 [(set GPR:$Rd, (add (mulhs GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
3772 Requires<[IsARM, HasV6, UseMulOps]>;
3774 def SMMLAR : AMul2Ia <0b0111010, 0b0011, (outs GPR:$Rd),
3775 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3776 IIC_iMAC32, "smmlar", "\t$Rd, $Rn, $Rm, $Ra", []>,
3777 Requires<[IsARM, HasV6]>;
3779 def SMMLS : AMul2Ia <0b0111010, 0b1101, (outs GPR:$Rd),
3780 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3781 IIC_iMAC32, "smmls", "\t$Rd, $Rn, $Rm, $Ra", []>,
3782 Requires<[IsARM, HasV6, UseMulOps]>;
3784 def SMMLSR : AMul2Ia <0b0111010, 0b1111, (outs GPR:$Rd),
3785 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3786 IIC_iMAC32, "smmlsr", "\t$Rd, $Rn, $Rm, $Ra", []>,
3787 Requires<[IsARM, HasV6]>;
3789 multiclass AI_smul<string opc, PatFrag opnode> {
3790 def BB : AMulxyI<0b0001011, 0b00, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3791 IIC_iMUL16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm",
3792 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
3793 (sext_inreg GPR:$Rm, i16)))]>,
3794 Requires<[IsARM, HasV5TE]>;
3796 def BT : AMulxyI<0b0001011, 0b10, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3797 IIC_iMUL16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm",
3798 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
3799 (sra GPR:$Rm, (i32 16))))]>,
3800 Requires<[IsARM, HasV5TE]>;
3802 def TB : AMulxyI<0b0001011, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3803 IIC_iMUL16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm",
3804 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
3805 (sext_inreg GPR:$Rm, i16)))]>,
3806 Requires<[IsARM, HasV5TE]>;
3808 def TT : AMulxyI<0b0001011, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3809 IIC_iMUL16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm",
3810 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
3811 (sra GPR:$Rm, (i32 16))))]>,
3812 Requires<[IsARM, HasV5TE]>;
3814 def WB : AMulxyI<0b0001001, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3815 IIC_iMUL16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm",
3816 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
3817 (sext_inreg GPR:$Rm, i16)), (i32 16)))]>,
3818 Requires<[IsARM, HasV5TE]>;
3820 def WT : AMulxyI<0b0001001, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3821 IIC_iMUL16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm",
3822 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
3823 (sra GPR:$Rm, (i32 16))), (i32 16)))]>,
3824 Requires<[IsARM, HasV5TE]>;
3828 multiclass AI_smla<string opc, PatFrag opnode> {
3829 let DecoderMethod = "DecodeSMLAInstruction" in {
3830 def BB : AMulxyIa<0b0001000, 0b00, (outs GPRnopc:$Rd),
3831 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3832 IIC_iMAC16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm, $Ra",
3833 [(set GPRnopc:$Rd, (add GPR:$Ra,
3834 (opnode (sext_inreg GPRnopc:$Rn, i16),
3835 (sext_inreg GPRnopc:$Rm, i16))))]>,
3836 Requires<[IsARM, HasV5TE, UseMulOps]>;
3838 def BT : AMulxyIa<0b0001000, 0b10, (outs GPRnopc:$Rd),
3839 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3840 IIC_iMAC16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm, $Ra",
3842 (add GPR:$Ra, (opnode (sext_inreg GPRnopc:$Rn, i16),
3843 (sra GPRnopc:$Rm, (i32 16)))))]>,
3844 Requires<[IsARM, HasV5TE, UseMulOps]>;
3846 def TB : AMulxyIa<0b0001000, 0b01, (outs GPRnopc:$Rd),
3847 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3848 IIC_iMAC16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm, $Ra",
3850 (add GPR:$Ra, (opnode (sra GPRnopc:$Rn, (i32 16)),
3851 (sext_inreg GPRnopc:$Rm, i16))))]>,
3852 Requires<[IsARM, HasV5TE, UseMulOps]>;
3854 def TT : AMulxyIa<0b0001000, 0b11, (outs GPRnopc:$Rd),
3855 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3856 IIC_iMAC16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm, $Ra",
3858 (add GPR:$Ra, (opnode (sra GPRnopc:$Rn, (i32 16)),
3859 (sra GPRnopc:$Rm, (i32 16)))))]>,
3860 Requires<[IsARM, HasV5TE, UseMulOps]>;
3862 def WB : AMulxyIa<0b0001001, 0b00, (outs GPRnopc:$Rd),
3863 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3864 IIC_iMAC16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm, $Ra",
3866 (add GPR:$Ra, (sra (opnode GPRnopc:$Rn,
3867 (sext_inreg GPRnopc:$Rm, i16)), (i32 16))))]>,
3868 Requires<[IsARM, HasV5TE, UseMulOps]>;
3870 def WT : AMulxyIa<0b0001001, 0b10, (outs GPRnopc:$Rd),
3871 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3872 IIC_iMAC16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm, $Ra",
3874 (add GPR:$Ra, (sra (opnode GPRnopc:$Rn,
3875 (sra GPRnopc:$Rm, (i32 16))), (i32 16))))]>,
3876 Requires<[IsARM, HasV5TE, UseMulOps]>;
3880 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
3881 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
3883 // Halfword multiply accumulate long: SMLAL<x><y>.
3884 def SMLALBB : AMulxyI64<0b0001010, 0b00, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3885 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3886 IIC_iMAC64, "smlalbb", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3887 Requires<[IsARM, HasV5TE]>;
3889 def SMLALBT : AMulxyI64<0b0001010, 0b10, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3890 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3891 IIC_iMAC64, "smlalbt", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3892 Requires<[IsARM, HasV5TE]>;
3894 def SMLALTB : AMulxyI64<0b0001010, 0b01, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3895 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3896 IIC_iMAC64, "smlaltb", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3897 Requires<[IsARM, HasV5TE]>;
3899 def SMLALTT : AMulxyI64<0b0001010, 0b11, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3900 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3901 IIC_iMAC64, "smlaltt", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3902 Requires<[IsARM, HasV5TE]>;
3904 // Helper class for AI_smld.
3905 class AMulDualIbase<bit long, bit sub, bit swap, dag oops, dag iops,
3906 InstrItinClass itin, string opc, string asm>
3907 : AI<oops, iops, MulFrm, itin, opc, asm, []>, Requires<[IsARM, HasV6]> {
3910 let Inst{27-23} = 0b01110;
3911 let Inst{22} = long;
3912 let Inst{21-20} = 0b00;
3913 let Inst{11-8} = Rm;
3920 class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
3921 InstrItinClass itin, string opc, string asm>
3922 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
3924 let Inst{15-12} = 0b1111;
3925 let Inst{19-16} = Rd;
3927 class AMulDualIa<bit long, bit sub, bit swap, dag oops, dag iops,
3928 InstrItinClass itin, string opc, string asm>
3929 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
3932 let Inst{19-16} = Rd;
3933 let Inst{15-12} = Ra;
3935 class AMulDualI64<bit long, bit sub, bit swap, dag oops, dag iops,
3936 InstrItinClass itin, string opc, string asm>
3937 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
3940 let Inst{19-16} = RdHi;
3941 let Inst{15-12} = RdLo;
3944 multiclass AI_smld<bit sub, string opc> {
3946 def D : AMulDualIa<0, sub, 0, (outs GPRnopc:$Rd),
3947 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3948 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm, $Ra">;
3950 def DX: AMulDualIa<0, sub, 1, (outs GPRnopc:$Rd),
3951 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3952 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm, $Ra">;
3954 def LD: AMulDualI64<1, sub, 0, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3955 (ins GPRnopc:$Rn, GPRnopc:$Rm), NoItinerary,
3956 !strconcat(opc, "ld"), "\t$RdLo, $RdHi, $Rn, $Rm">;
3958 def LDX : AMulDualI64<1, sub, 1, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3959 (ins GPRnopc:$Rn, GPRnopc:$Rm), NoItinerary,
3960 !strconcat(opc, "ldx"),"\t$RdLo, $RdHi, $Rn, $Rm">;
3964 defm SMLA : AI_smld<0, "smla">;
3965 defm SMLS : AI_smld<1, "smls">;
3967 multiclass AI_sdml<bit sub, string opc> {
3969 def D:AMulDualI<0, sub, 0, (outs GPRnopc:$Rd), (ins GPRnopc:$Rn, GPRnopc:$Rm),
3970 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm">;
3971 def DX:AMulDualI<0, sub, 1, (outs GPRnopc:$Rd),(ins GPRnopc:$Rn, GPRnopc:$Rm),
3972 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm">;
3975 defm SMUA : AI_sdml<0, "smua">;
3976 defm SMUS : AI_sdml<1, "smus">;
3978 //===----------------------------------------------------------------------===//
3979 // Division Instructions (ARMv7-A with virtualization extension)
3981 def SDIV : ADivA1I<0b001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), IIC_iDIV,
3982 "sdiv", "\t$Rd, $Rn, $Rm",
3983 [(set GPR:$Rd, (sdiv GPR:$Rn, GPR:$Rm))]>,
3984 Requires<[IsARM, HasDivideInARM]>;
3986 def UDIV : ADivA1I<0b011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), IIC_iDIV,
3987 "udiv", "\t$Rd, $Rn, $Rm",
3988 [(set GPR:$Rd, (udiv GPR:$Rn, GPR:$Rm))]>,
3989 Requires<[IsARM, HasDivideInARM]>;
3991 //===----------------------------------------------------------------------===//
3992 // Misc. Arithmetic Instructions.
3995 def CLZ : AMiscA1I<0b000010110, 0b0001, (outs GPR:$Rd), (ins GPR:$Rm),
3996 IIC_iUNAr, "clz", "\t$Rd, $Rm",
3997 [(set GPR:$Rd, (ctlz GPR:$Rm))]>, Requires<[IsARM, HasV5T]>,
4000 def RBIT : AMiscA1I<0b01101111, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
4001 IIC_iUNAr, "rbit", "\t$Rd, $Rm",
4002 [(set GPR:$Rd, (ARMrbit GPR:$Rm))]>,
4003 Requires<[IsARM, HasV6T2]>,
4006 def REV : AMiscA1I<0b01101011, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
4007 IIC_iUNAr, "rev", "\t$Rd, $Rm",
4008 [(set GPR:$Rd, (bswap GPR:$Rm))]>, Requires<[IsARM, HasV6]>,
4011 let AddedComplexity = 5 in
4012 def REV16 : AMiscA1I<0b01101011, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
4013 IIC_iUNAr, "rev16", "\t$Rd, $Rm",
4014 [(set GPR:$Rd, (rotr (bswap GPR:$Rm), (i32 16)))]>,
4015 Requires<[IsARM, HasV6]>,
4018 let AddedComplexity = 5 in
4019 def REVSH : AMiscA1I<0b01101111, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
4020 IIC_iUNAr, "revsh", "\t$Rd, $Rm",
4021 [(set GPR:$Rd, (sra (bswap GPR:$Rm), (i32 16)))]>,
4022 Requires<[IsARM, HasV6]>,
4025 def : ARMV6Pat<(or (sra (shl GPR:$Rm, (i32 24)), (i32 16)),
4026 (and (srl GPR:$Rm, (i32 8)), 0xFF)),
4029 def PKHBT : APKHI<0b01101000, 0, (outs GPRnopc:$Rd),
4030 (ins GPRnopc:$Rn, GPRnopc:$Rm, pkh_lsl_amt:$sh),
4031 IIC_iALUsi, "pkhbt", "\t$Rd, $Rn, $Rm$sh",
4032 [(set GPRnopc:$Rd, (or (and GPRnopc:$Rn, 0xFFFF),
4033 (and (shl GPRnopc:$Rm, pkh_lsl_amt:$sh),
4035 Requires<[IsARM, HasV6]>,
4036 Sched<[WriteALUsi, ReadALU]>;
4038 // Alternate cases for PKHBT where identities eliminate some nodes.
4039 def : ARMV6Pat<(or (and GPRnopc:$Rn, 0xFFFF), (and GPRnopc:$Rm, 0xFFFF0000)),
4040 (PKHBT GPRnopc:$Rn, GPRnopc:$Rm, 0)>;
4041 def : ARMV6Pat<(or (and GPRnopc:$Rn, 0xFFFF), (shl GPRnopc:$Rm, imm16_31:$sh)),
4042 (PKHBT GPRnopc:$Rn, GPRnopc:$Rm, imm16_31:$sh)>;
4044 // Note: Shifts of 1-15 bits will be transformed to srl instead of sra and
4045 // will match the pattern below.
4046 def PKHTB : APKHI<0b01101000, 1, (outs GPRnopc:$Rd),
4047 (ins GPRnopc:$Rn, GPRnopc:$Rm, pkh_asr_amt:$sh),
4048 IIC_iBITsi, "pkhtb", "\t$Rd, $Rn, $Rm$sh",
4049 [(set GPRnopc:$Rd, (or (and GPRnopc:$Rn, 0xFFFF0000),
4050 (and (sra GPRnopc:$Rm, pkh_asr_amt:$sh),
4052 Requires<[IsARM, HasV6]>,
4053 Sched<[WriteALUsi, ReadALU]>;
4055 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
4056 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
4057 // We also can not replace a srl (17..31) by an arithmetic shift we would use in
4058 // pkhtb src1, src2, asr (17..31).
4059 def : ARMV6Pat<(or (and GPRnopc:$src1, 0xFFFF0000),
4060 (srl GPRnopc:$src2, imm16:$sh)),
4061 (PKHTB GPRnopc:$src1, GPRnopc:$src2, imm16:$sh)>;
4062 def : ARMV6Pat<(or (and GPRnopc:$src1, 0xFFFF0000),
4063 (sra GPRnopc:$src2, imm16_31:$sh)),
4064 (PKHTB GPRnopc:$src1, GPRnopc:$src2, imm16_31:$sh)>;
4065 def : ARMV6Pat<(or (and GPRnopc:$src1, 0xFFFF0000),
4066 (and (srl GPRnopc:$src2, imm1_15:$sh), 0xFFFF)),
4067 (PKHTB GPRnopc:$src1, GPRnopc:$src2, imm1_15:$sh)>;
4069 //===----------------------------------------------------------------------===//
4073 // + CRC32{B,H,W} 0x04C11DB7
4074 // + CRC32C{B,H,W} 0x1EDC6F41
4077 class AI_crc32<bit C, bits<2> sz, string suffix, SDPatternOperator builtin>
4078 : AInoP<(outs GPRnopc:$Rd), (ins GPRnopc:$Rn, GPRnopc:$Rm), MiscFrm, NoItinerary,
4079 !strconcat("crc32", suffix), "\t$Rd, $Rn, $Rm",
4080 [(set GPRnopc:$Rd, (builtin GPRnopc:$Rn, GPRnopc:$Rm))]>,
4081 Requires<[IsARM, HasV8, HasCRC]> {
4086 let Inst{31-28} = 0b1110;
4087 let Inst{27-23} = 0b00010;
4088 let Inst{22-21} = sz;
4090 let Inst{19-16} = Rn;
4091 let Inst{15-12} = Rd;
4092 let Inst{11-10} = 0b00;
4095 let Inst{7-4} = 0b0100;
4098 let Unpredictable{11-8} = 0b1101;
4101 def CRC32B : AI_crc32<0, 0b00, "b", int_arm_crc32b>;
4102 def CRC32CB : AI_crc32<1, 0b00, "cb", int_arm_crc32cb>;
4103 def CRC32H : AI_crc32<0, 0b01, "h", int_arm_crc32h>;
4104 def CRC32CH : AI_crc32<1, 0b01, "ch", int_arm_crc32ch>;
4105 def CRC32W : AI_crc32<0, 0b10, "w", int_arm_crc32w>;
4106 def CRC32CW : AI_crc32<1, 0b10, "cw", int_arm_crc32cw>;
4108 //===----------------------------------------------------------------------===//
4109 // Comparison Instructions...
4112 defm CMP : AI1_cmp_irs<0b1010, "cmp",
4113 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
4114 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
4116 // ARMcmpZ can re-use the above instruction definitions.
4117 def : ARMPat<(ARMcmpZ GPR:$src, so_imm:$imm),
4118 (CMPri GPR:$src, so_imm:$imm)>;
4119 def : ARMPat<(ARMcmpZ GPR:$src, GPR:$rhs),
4120 (CMPrr GPR:$src, GPR:$rhs)>;
4121 def : ARMPat<(ARMcmpZ GPR:$src, so_reg_imm:$rhs),
4122 (CMPrsi GPR:$src, so_reg_imm:$rhs)>;
4123 def : ARMPat<(ARMcmpZ GPR:$src, so_reg_reg:$rhs),
4124 (CMPrsr GPR:$src, so_reg_reg:$rhs)>;
4126 // CMN register-integer
4127 let isCompare = 1, Defs = [CPSR] in {
4128 def CMNri : AI1<0b1011, (outs), (ins GPR:$Rn, so_imm:$imm), DPFrm, IIC_iCMPi,
4129 "cmn", "\t$Rn, $imm",
4130 [(ARMcmn GPR:$Rn, so_imm:$imm)]>,
4131 Sched<[WriteCMP, ReadALU]> {
4136 let Inst{19-16} = Rn;
4137 let Inst{15-12} = 0b0000;
4138 let Inst{11-0} = imm;
4140 let Unpredictable{15-12} = 0b1111;
4143 // CMN register-register/shift
4144 def CMNzrr : AI1<0b1011, (outs), (ins GPR:$Rn, GPR:$Rm), DPFrm, IIC_iCMPr,
4145 "cmn", "\t$Rn, $Rm",
4146 [(BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>
4147 GPR:$Rn, GPR:$Rm)]>, Sched<[WriteCMP, ReadALU, ReadALU]> {
4150 let isCommutable = 1;
4153 let Inst{19-16} = Rn;
4154 let Inst{15-12} = 0b0000;
4155 let Inst{11-4} = 0b00000000;
4158 let Unpredictable{15-12} = 0b1111;
4161 def CMNzrsi : AI1<0b1011, (outs),
4162 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm, IIC_iCMPsr,
4163 "cmn", "\t$Rn, $shift",
4164 [(BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>
4165 GPR:$Rn, so_reg_imm:$shift)]>,
4166 Sched<[WriteCMPsi, ReadALU]> {
4171 let Inst{19-16} = Rn;
4172 let Inst{15-12} = 0b0000;
4173 let Inst{11-5} = shift{11-5};
4175 let Inst{3-0} = shift{3-0};
4177 let Unpredictable{15-12} = 0b1111;
4180 def CMNzrsr : AI1<0b1011, (outs),
4181 (ins GPRnopc:$Rn, so_reg_reg:$shift), DPSoRegRegFrm, IIC_iCMPsr,
4182 "cmn", "\t$Rn, $shift",
4183 [(BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>
4184 GPRnopc:$Rn, so_reg_reg:$shift)]>,
4185 Sched<[WriteCMPsr, ReadALU]> {
4190 let Inst{19-16} = Rn;
4191 let Inst{15-12} = 0b0000;
4192 let Inst{11-8} = shift{11-8};
4194 let Inst{6-5} = shift{6-5};
4196 let Inst{3-0} = shift{3-0};
4198 let Unpredictable{15-12} = 0b1111;
4203 def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
4204 (CMNri GPR:$src, so_imm_neg:$imm)>;
4206 def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
4207 (CMNri GPR:$src, so_imm_neg:$imm)>;
4209 // Note that TST/TEQ don't set all the same flags that CMP does!
4210 defm TST : AI1_cmp_irs<0b1000, "tst",
4211 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
4212 BinOpFrag<(ARMcmpZ (and_su node:$LHS, node:$RHS), 0)>, 1>;
4213 defm TEQ : AI1_cmp_irs<0b1001, "teq",
4214 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
4215 BinOpFrag<(ARMcmpZ (xor_su node:$LHS, node:$RHS), 0)>, 1>;
4217 // Pseudo i64 compares for some floating point compares.
4218 let usesCustomInserter = 1, isBranch = 1, isTerminator = 1,
4220 def BCCi64 : PseudoInst<(outs),
4221 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, brtarget:$dst),
4223 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, bb:$dst)]>,
4226 def BCCZi64 : PseudoInst<(outs),
4227 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, brtarget:$dst), IIC_Br,
4228 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, 0, 0, bb:$dst)]>,
4230 } // usesCustomInserter
4233 // Conditional moves
4234 let neverHasSideEffects = 1 in {
4236 let isCommutable = 1, isSelect = 1 in
4237 def MOVCCr : ARMPseudoInst<(outs GPR:$Rd),
4238 (ins GPR:$false, GPR:$Rm, cmovpred:$p),
4240 [(set GPR:$Rd, (ARMcmov GPR:$false, GPR:$Rm,
4242 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4244 def MOVCCsi : ARMPseudoInst<(outs GPR:$Rd),
4245 (ins GPR:$false, so_reg_imm:$shift, cmovpred:$p),
4248 (ARMcmov GPR:$false, so_reg_imm:$shift,
4250 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4251 def MOVCCsr : ARMPseudoInst<(outs GPR:$Rd),
4252 (ins GPR:$false, so_reg_reg:$shift, cmovpred:$p),
4254 [(set GPR:$Rd, (ARMcmov GPR:$false, so_reg_reg:$shift,
4256 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4259 let isMoveImm = 1 in
4261 : ARMPseudoInst<(outs GPR:$Rd),
4262 (ins GPR:$false, imm0_65535_expr:$imm, cmovpred:$p),
4264 [(set GPR:$Rd, (ARMcmov GPR:$false, imm0_65535:$imm,
4266 RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>,
4269 let isMoveImm = 1 in
4270 def MOVCCi : ARMPseudoInst<(outs GPR:$Rd),
4271 (ins GPR:$false, so_imm:$imm, cmovpred:$p),
4273 [(set GPR:$Rd, (ARMcmov GPR:$false, so_imm:$imm,
4275 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4277 // Two instruction predicate mov immediate.
4278 let isMoveImm = 1 in
4280 : ARMPseudoInst<(outs GPR:$Rd),
4281 (ins GPR:$false, i32imm:$src, cmovpred:$p),
4283 [(set GPR:$Rd, (ARMcmov GPR:$false, imm:$src,
4285 RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>;
4287 let isMoveImm = 1 in
4288 def MVNCCi : ARMPseudoInst<(outs GPR:$Rd),
4289 (ins GPR:$false, so_imm:$imm, cmovpred:$p),
4291 [(set GPR:$Rd, (ARMcmov GPR:$false, so_imm_not:$imm,
4293 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4295 } // neverHasSideEffects
4298 //===----------------------------------------------------------------------===//
4299 // Atomic operations intrinsics
4302 def MemBarrierOptOperand : AsmOperandClass {
4303 let Name = "MemBarrierOpt";
4304 let ParserMethod = "parseMemBarrierOptOperand";
4306 def memb_opt : Operand<i32> {
4307 let PrintMethod = "printMemBOption";
4308 let ParserMatchClass = MemBarrierOptOperand;
4309 let DecoderMethod = "DecodeMemBarrierOption";
4312 def InstSyncBarrierOptOperand : AsmOperandClass {
4313 let Name = "InstSyncBarrierOpt";
4314 let ParserMethod = "parseInstSyncBarrierOptOperand";
4316 def instsyncb_opt : Operand<i32> {
4317 let PrintMethod = "printInstSyncBOption";
4318 let ParserMatchClass = InstSyncBarrierOptOperand;
4319 let DecoderMethod = "DecodeInstSyncBarrierOption";
4322 // memory barriers protect the atomic sequences
4323 let hasSideEffects = 1 in {
4324 def DMB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
4325 "dmb", "\t$opt", [(int_arm_dmb (i32 imm0_15:$opt))]>,
4326 Requires<[IsARM, HasDB]> {
4328 let Inst{31-4} = 0xf57ff05;
4329 let Inst{3-0} = opt;
4333 def DSB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
4334 "dsb", "\t$opt", [(int_arm_dsb (i32 imm0_15:$opt))]>,
4335 Requires<[IsARM, HasDB]> {
4337 let Inst{31-4} = 0xf57ff04;
4338 let Inst{3-0} = opt;
4341 // ISB has only full system option
4342 def ISB : AInoP<(outs), (ins instsyncb_opt:$opt), MiscFrm, NoItinerary,
4343 "isb", "\t$opt", []>,
4344 Requires<[IsARM, HasDB]> {
4346 let Inst{31-4} = 0xf57ff06;
4347 let Inst{3-0} = opt;
4350 let usesCustomInserter = 1, Defs = [CPSR] in {
4352 // Pseudo instruction that combines movs + predicated rsbmi
4353 // to implement integer ABS
4354 def ABS : ARMPseudoInst<(outs GPR:$dst), (ins GPR:$src), 8, NoItinerary, []>;
4356 // Atomic pseudo-insts which will be lowered to ldrex/strex loops.
4357 // (64-bit pseudos use a hand-written selection code).
4358 let mayLoad = 1, mayStore = 1 in {
4359 def ATOMIC_LOAD_ADD_I8 : PseudoInst<
4361 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4363 def ATOMIC_LOAD_SUB_I8 : PseudoInst<
4365 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4367 def ATOMIC_LOAD_AND_I8 : PseudoInst<
4369 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4371 def ATOMIC_LOAD_OR_I8 : PseudoInst<
4373 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4375 def ATOMIC_LOAD_XOR_I8 : PseudoInst<
4377 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4379 def ATOMIC_LOAD_NAND_I8 : PseudoInst<
4381 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4383 def ATOMIC_LOAD_MIN_I8 : PseudoInst<
4385 (ins GPR:$ptr, GPR:$val, i32imm:$ordering),
4387 def ATOMIC_LOAD_MAX_I8 : PseudoInst<
4389 (ins GPR:$ptr, GPR:$val, i32imm:$ordering),
4391 def ATOMIC_LOAD_UMIN_I8 : PseudoInst<
4393 (ins GPR:$ptr, GPR:$val, i32imm:$ordering),
4395 def ATOMIC_LOAD_UMAX_I8 : PseudoInst<
4397 (ins GPR:$ptr, GPR:$val, i32imm:$ordering),
4399 def ATOMIC_SWAP_I8 : PseudoInst<
4401 (ins GPR:$ptr, GPR:$new, i32imm:$ordering),
4403 def ATOMIC_CMP_SWAP_I8 : PseudoInst<
4405 (ins GPR:$ptr, GPR:$old, GPR:$new, i32imm:$ordering),
4407 def ATOMIC_LOAD_ADD_I16 : PseudoInst<
4409 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4411 def ATOMIC_LOAD_SUB_I16 : PseudoInst<
4413 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4415 def ATOMIC_LOAD_AND_I16 : PseudoInst<
4417 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4419 def ATOMIC_LOAD_OR_I16 : PseudoInst<
4421 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4423 def ATOMIC_LOAD_XOR_I16 : PseudoInst<
4425 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4427 def ATOMIC_LOAD_NAND_I16 : PseudoInst<
4429 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4431 def ATOMIC_LOAD_MIN_I16 : PseudoInst<
4433 (ins GPR:$ptr, GPR:$val, i32imm:$ordering),
4435 def ATOMIC_LOAD_MAX_I16 : PseudoInst<
4437 (ins GPR:$ptr, GPR:$val, i32imm:$ordering),
4439 def ATOMIC_LOAD_UMIN_I16 : PseudoInst<
4441 (ins GPR:$ptr, GPR:$val, i32imm:$ordering),
4443 def ATOMIC_LOAD_UMAX_I16 : PseudoInst<
4445 (ins GPR:$ptr, GPR:$val, i32imm:$ordering),
4447 def ATOMIC_SWAP_I16 : PseudoInst<
4449 (ins GPR:$ptr, GPR:$new, i32imm:$ordering),
4451 def ATOMIC_CMP_SWAP_I16 : PseudoInst<
4453 (ins GPR:$ptr, GPR:$old, GPR:$new, i32imm:$ordering),
4455 def ATOMIC_LOAD_ADD_I32 : PseudoInst<
4457 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4459 def ATOMIC_LOAD_SUB_I32 : PseudoInst<
4461 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4463 def ATOMIC_LOAD_AND_I32 : PseudoInst<
4465 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4467 def ATOMIC_LOAD_OR_I32 : PseudoInst<
4469 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4471 def ATOMIC_LOAD_XOR_I32 : PseudoInst<
4473 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4475 def ATOMIC_LOAD_NAND_I32 : PseudoInst<
4477 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4479 def ATOMIC_LOAD_MIN_I32 : PseudoInst<
4481 (ins GPR:$ptr, GPR:$val, i32imm:$ordering),
4483 def ATOMIC_LOAD_MAX_I32 : PseudoInst<
4485 (ins GPR:$ptr, GPR:$val, i32imm:$ordering),
4487 def ATOMIC_LOAD_UMIN_I32 : PseudoInst<
4489 (ins GPR:$ptr, GPR:$val, i32imm:$ordering),
4491 def ATOMIC_LOAD_UMAX_I32 : PseudoInst<
4493 (ins GPR:$ptr, GPR:$val, i32imm:$ordering),
4495 def ATOMIC_SWAP_I32 : PseudoInst<
4497 (ins GPR:$ptr, GPR:$new, i32imm:$ordering),
4499 def ATOMIC_CMP_SWAP_I32 : PseudoInst<
4501 (ins GPR:$ptr, GPR:$old, GPR:$new, i32imm:$ordering),
4503 def ATOMIC_LOAD_ADD_I64 : PseudoInst<
4504 (outs GPR:$dst1, GPR:$dst2),
4505 (ins GPR:$addr, GPR:$src1, GPR:$src2, i32imm:$ordering),
4507 def ATOMIC_LOAD_SUB_I64 : PseudoInst<
4508 (outs GPR:$dst1, GPR:$dst2),
4509 (ins GPR:$addr, GPR:$src1, GPR:$src2, i32imm:$ordering),
4511 def ATOMIC_LOAD_AND_I64 : PseudoInst<
4512 (outs GPR:$dst1, GPR:$dst2),
4513 (ins GPR:$addr, GPR:$src1, GPR:$src2, i32imm:$ordering),
4515 def ATOMIC_LOAD_OR_I64 : PseudoInst<
4516 (outs GPR:$dst1, GPR:$dst2),
4517 (ins GPR:$addr, GPR:$src1, GPR:$src2, i32imm:$ordering),
4519 def ATOMIC_LOAD_XOR_I64 : PseudoInst<
4520 (outs GPR:$dst1, GPR:$dst2),
4521 (ins GPR:$addr, GPR:$src1, GPR:$src2, i32imm:$ordering),
4523 def ATOMIC_LOAD_NAND_I64 : PseudoInst<
4524 (outs GPR:$dst1, GPR:$dst2),
4525 (ins GPR:$addr, GPR:$src1, GPR:$src2, i32imm:$ordering),
4527 def ATOMIC_LOAD_MIN_I64 : PseudoInst<
4528 (outs GPR:$dst1, GPR:$dst2),
4529 (ins GPR:$addr, GPR:$src1, GPR:$src2, i32imm:$ordering),
4531 def ATOMIC_LOAD_MAX_I64 : PseudoInst<
4532 (outs GPR:$dst1, GPR:$dst2),
4533 (ins GPR:$addr, GPR:$src1, GPR:$src2, i32imm:$ordering),
4535 def ATOMIC_LOAD_UMIN_I64 : PseudoInst<
4536 (outs GPR:$dst1, GPR:$dst2),
4537 (ins GPR:$addr, GPR:$src1, GPR:$src2, i32imm:$ordering),
4539 def ATOMIC_LOAD_UMAX_I64 : PseudoInst<
4540 (outs GPR:$dst1, GPR:$dst2),
4541 (ins GPR:$addr, GPR:$src1, GPR:$src2, i32imm:$ordering),
4543 def ATOMIC_SWAP_I64 : PseudoInst<
4544 (outs GPR:$dst1, GPR:$dst2),
4545 (ins GPR:$addr, GPR:$src1, GPR:$src2, i32imm:$ordering),
4547 def ATOMIC_CMP_SWAP_I64 : PseudoInst<
4548 (outs GPR:$dst1, GPR:$dst2),
4549 (ins GPR:$addr, GPR:$cmp1, GPR:$cmp2,
4550 GPR:$set1, GPR:$set2, i32imm:$ordering),
4554 def ATOMIC_LOAD_I64 : PseudoInst<
4555 (outs GPR:$dst1, GPR:$dst2),
4556 (ins GPR:$addr, i32imm:$ordering),
4559 def ATOMIC_STORE_I64 : PseudoInst<
4560 (outs GPR:$dst1, GPR:$dst2),
4561 (ins GPR:$addr, GPR:$src1, GPR:$src2, i32imm:$ordering),
4565 let usesCustomInserter = 1 in {
4566 def COPY_STRUCT_BYVAL_I32 : PseudoInst<
4567 (outs), (ins GPR:$dst, GPR:$src, i32imm:$size, i32imm:$alignment),
4569 [(ARMcopystructbyval GPR:$dst, GPR:$src, imm:$size, imm:$alignment)]>;
4572 def ldrex_1 : PatFrag<(ops node:$ptr), (int_arm_ldrex node:$ptr), [{
4573 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i8;
4576 def ldrex_2 : PatFrag<(ops node:$ptr), (int_arm_ldrex node:$ptr), [{
4577 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i16;
4580 def ldrex_4 : PatFrag<(ops node:$ptr), (int_arm_ldrex node:$ptr), [{
4581 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i32;
4584 def strex_1 : PatFrag<(ops node:$val, node:$ptr),
4585 (int_arm_strex node:$val, node:$ptr), [{
4586 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i8;
4589 def strex_2 : PatFrag<(ops node:$val, node:$ptr),
4590 (int_arm_strex node:$val, node:$ptr), [{
4591 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i16;
4594 def strex_4 : PatFrag<(ops node:$val, node:$ptr),
4595 (int_arm_strex node:$val, node:$ptr), [{
4596 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i32;
4599 let mayLoad = 1 in {
4600 def LDREXB : AIldrex<0b10, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4601 NoItinerary, "ldrexb", "\t$Rt, $addr",
4602 [(set GPR:$Rt, (ldrex_1 addr_offset_none:$addr))]>;
4603 def LDREXH : AIldrex<0b11, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4604 NoItinerary, "ldrexh", "\t$Rt, $addr",
4605 [(set GPR:$Rt, (ldrex_2 addr_offset_none:$addr))]>;
4606 def LDREX : AIldrex<0b00, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4607 NoItinerary, "ldrex", "\t$Rt, $addr",
4608 [(set GPR:$Rt, (ldrex_4 addr_offset_none:$addr))]>;
4609 let hasExtraDefRegAllocReq = 1 in
4610 def LDREXD : AIldrex<0b01, (outs GPRPairOp:$Rt),(ins addr_offset_none:$addr),
4611 NoItinerary, "ldrexd", "\t$Rt, $addr", []> {
4612 let DecoderMethod = "DecodeDoubleRegLoad";
4615 def LDAEXB : AIldaex<0b10, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4616 NoItinerary, "ldaexb", "\t$Rt, $addr", []>;
4617 def LDAEXH : AIldaex<0b11, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4618 NoItinerary, "ldaexh", "\t$Rt, $addr", []>;
4619 def LDAEX : AIldaex<0b00, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4620 NoItinerary, "ldaex", "\t$Rt, $addr", []>;
4621 let hasExtraDefRegAllocReq = 1 in
4622 def LDAEXD : AIldaex<0b01, (outs GPRPairOp:$Rt),(ins addr_offset_none:$addr),
4623 NoItinerary, "ldaexd", "\t$Rt, $addr", []> {
4624 let DecoderMethod = "DecodeDoubleRegLoad";
4628 let mayStore = 1, Constraints = "@earlyclobber $Rd" in {
4629 def STREXB: AIstrex<0b10, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4630 NoItinerary, "strexb", "\t$Rd, $Rt, $addr",
4631 [(set GPR:$Rd, (strex_1 GPR:$Rt, addr_offset_none:$addr))]>;
4632 def STREXH: AIstrex<0b11, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4633 NoItinerary, "strexh", "\t$Rd, $Rt, $addr",
4634 [(set GPR:$Rd, (strex_2 GPR:$Rt, addr_offset_none:$addr))]>;
4635 def STREX : AIstrex<0b00, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4636 NoItinerary, "strex", "\t$Rd, $Rt, $addr",
4637 [(set GPR:$Rd, (strex_4 GPR:$Rt, addr_offset_none:$addr))]>;
4638 let hasExtraSrcRegAllocReq = 1 in
4639 def STREXD : AIstrex<0b01, (outs GPR:$Rd),
4640 (ins GPRPairOp:$Rt, addr_offset_none:$addr),
4641 NoItinerary, "strexd", "\t$Rd, $Rt, $addr", []> {
4642 let DecoderMethod = "DecodeDoubleRegStore";
4644 def STLEXB: AIstlex<0b10, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4645 NoItinerary, "stlexb", "\t$Rd, $Rt, $addr",
4647 def STLEXH: AIstlex<0b11, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4648 NoItinerary, "stlexh", "\t$Rd, $Rt, $addr",
4650 def STLEX : AIstlex<0b00, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4651 NoItinerary, "stlex", "\t$Rd, $Rt, $addr",
4653 let hasExtraSrcRegAllocReq = 1 in
4654 def STLEXD : AIstlex<0b01, (outs GPR:$Rd),
4655 (ins GPRPairOp:$Rt, addr_offset_none:$addr),
4656 NoItinerary, "stlexd", "\t$Rd, $Rt, $addr", []> {
4657 let DecoderMethod = "DecodeDoubleRegStore";
4661 def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex",
4663 Requires<[IsARM, HasV7]> {
4664 let Inst{31-0} = 0b11110101011111111111000000011111;
4667 def : ARMPat<(and (ldrex_1 addr_offset_none:$addr), 0xff),
4668 (LDREXB addr_offset_none:$addr)>;
4669 def : ARMPat<(and (ldrex_2 addr_offset_none:$addr), 0xffff),
4670 (LDREXH addr_offset_none:$addr)>;
4671 def : ARMPat<(strex_1 (and GPR:$Rt, 0xff), addr_offset_none:$addr),
4672 (STREXB GPR:$Rt, addr_offset_none:$addr)>;
4673 def : ARMPat<(strex_2 (and GPR:$Rt, 0xffff), addr_offset_none:$addr),
4674 (STREXH GPR:$Rt, addr_offset_none:$addr)>;
4676 class acquiring_load<PatFrag base>
4677 : PatFrag<(ops node:$ptr), (base node:$ptr), [{
4678 AtomicOrdering Ordering = cast<AtomicSDNode>(N)->getOrdering();
4679 return Ordering == Acquire || Ordering == SequentiallyConsistent;
4682 def atomic_load_acquire_8 : acquiring_load<atomic_load_8>;
4683 def atomic_load_acquire_16 : acquiring_load<atomic_load_16>;
4684 def atomic_load_acquire_32 : acquiring_load<atomic_load_32>;
4686 class releasing_store<PatFrag base>
4687 : PatFrag<(ops node:$ptr, node:$val), (base node:$ptr, node:$val), [{
4688 AtomicOrdering Ordering = cast<AtomicSDNode>(N)->getOrdering();
4689 return Ordering == Release || Ordering == SequentiallyConsistent;
4692 def atomic_store_release_8 : releasing_store<atomic_store_8>;
4693 def atomic_store_release_16 : releasing_store<atomic_store_16>;
4694 def atomic_store_release_32 : releasing_store<atomic_store_32>;
4696 let AddedComplexity = 8 in {
4697 def : ARMPat<(atomic_load_acquire_8 addr_offset_none:$addr), (LDAB addr_offset_none:$addr)>;
4698 def : ARMPat<(atomic_load_acquire_16 addr_offset_none:$addr), (LDAH addr_offset_none:$addr)>;
4699 def : ARMPat<(atomic_load_acquire_32 addr_offset_none:$addr), (LDA addr_offset_none:$addr)>;
4700 def : ARMPat<(atomic_store_release_8 addr_offset_none:$addr, GPR:$val), (STLB GPR:$val, addr_offset_none:$addr)>;
4701 def : ARMPat<(atomic_store_release_16 addr_offset_none:$addr, GPR:$val), (STLH GPR:$val, addr_offset_none:$addr)>;
4702 def : ARMPat<(atomic_store_release_32 addr_offset_none:$addr, GPR:$val), (STL GPR:$val, addr_offset_none:$addr)>;
4705 // SWP/SWPB are deprecated in V6/V7.
4706 let mayLoad = 1, mayStore = 1 in {
4707 def SWP : AIswp<0, (outs GPRnopc:$Rt),
4708 (ins GPRnopc:$Rt2, addr_offset_none:$addr), "swp", []>,
4710 def SWPB: AIswp<1, (outs GPRnopc:$Rt),
4711 (ins GPRnopc:$Rt2, addr_offset_none:$addr), "swpb", []>,
4715 //===----------------------------------------------------------------------===//
4716 // Coprocessor Instructions.
4719 def CDP : ABI<0b1110, (outs), (ins p_imm:$cop, imm0_15:$opc1,
4720 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, imm0_7:$opc2),
4721 NoItinerary, "cdp", "\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
4722 [(int_arm_cdp imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
4723 imm:$CRm, imm:$opc2)]>,
4732 let Inst{3-0} = CRm;
4734 let Inst{7-5} = opc2;
4735 let Inst{11-8} = cop;
4736 let Inst{15-12} = CRd;
4737 let Inst{19-16} = CRn;
4738 let Inst{23-20} = opc1;
4741 def CDP2 : ABXI<0b1110, (outs), (ins p_imm:$cop, imm0_15:$opc1,
4742 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, imm0_7:$opc2),
4743 NoItinerary, "cdp2\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
4744 [(int_arm_cdp2 imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
4745 imm:$CRm, imm:$opc2)]>,
4747 let Inst{31-28} = 0b1111;
4755 let Inst{3-0} = CRm;
4757 let Inst{7-5} = opc2;
4758 let Inst{11-8} = cop;
4759 let Inst{15-12} = CRd;
4760 let Inst{19-16} = CRn;
4761 let Inst{23-20} = opc1;
4764 class ACI<dag oops, dag iops, string opc, string asm,
4765 IndexMode im = IndexModeNone>
4766 : I<oops, iops, AddrModeNone, 4, im, BrFrm, NoItinerary,
4768 let Inst{27-25} = 0b110;
4770 class ACInoP<dag oops, dag iops, string opc, string asm,
4771 IndexMode im = IndexModeNone>
4772 : InoP<oops, iops, AddrModeNone, 4, im, BrFrm, NoItinerary,
4774 let Inst{31-28} = 0b1111;
4775 let Inst{27-25} = 0b110;
4777 multiclass LdStCop<bit load, bit Dbit, string asm> {
4778 def _OFFSET : ACI<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5:$addr),
4779 asm, "\t$cop, $CRd, $addr"> {
4783 let Inst{24} = 1; // P = 1
4784 let Inst{23} = addr{8};
4785 let Inst{22} = Dbit;
4786 let Inst{21} = 0; // W = 0
4787 let Inst{20} = load;
4788 let Inst{19-16} = addr{12-9};
4789 let Inst{15-12} = CRd;
4790 let Inst{11-8} = cop;
4791 let Inst{7-0} = addr{7-0};
4792 let DecoderMethod = "DecodeCopMemInstruction";
4794 def _PRE : ACI<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5_pre:$addr),
4795 asm, "\t$cop, $CRd, $addr!", IndexModePre> {
4799 let Inst{24} = 1; // P = 1
4800 let Inst{23} = addr{8};
4801 let Inst{22} = Dbit;
4802 let Inst{21} = 1; // W = 1
4803 let Inst{20} = load;
4804 let Inst{19-16} = addr{12-9};
4805 let Inst{15-12} = CRd;
4806 let Inst{11-8} = cop;
4807 let Inst{7-0} = addr{7-0};
4808 let DecoderMethod = "DecodeCopMemInstruction";
4810 def _POST: ACI<(outs), (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
4811 postidx_imm8s4:$offset),
4812 asm, "\t$cop, $CRd, $addr, $offset", IndexModePost> {
4817 let Inst{24} = 0; // P = 0
4818 let Inst{23} = offset{8};
4819 let Inst{22} = Dbit;
4820 let Inst{21} = 1; // W = 1
4821 let Inst{20} = load;
4822 let Inst{19-16} = addr;
4823 let Inst{15-12} = CRd;
4824 let Inst{11-8} = cop;
4825 let Inst{7-0} = offset{7-0};
4826 let DecoderMethod = "DecodeCopMemInstruction";
4828 def _OPTION : ACI<(outs),
4829 (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
4830 coproc_option_imm:$option),
4831 asm, "\t$cop, $CRd, $addr, $option"> {
4836 let Inst{24} = 0; // P = 0
4837 let Inst{23} = 1; // U = 1
4838 let Inst{22} = Dbit;
4839 let Inst{21} = 0; // W = 0
4840 let Inst{20} = load;
4841 let Inst{19-16} = addr;
4842 let Inst{15-12} = CRd;
4843 let Inst{11-8} = cop;
4844 let Inst{7-0} = option;
4845 let DecoderMethod = "DecodeCopMemInstruction";
4848 multiclass LdSt2Cop<bit load, bit Dbit, string asm> {
4849 def _OFFSET : ACInoP<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5:$addr),
4850 asm, "\t$cop, $CRd, $addr"> {
4854 let Inst{24} = 1; // P = 1
4855 let Inst{23} = addr{8};
4856 let Inst{22} = Dbit;
4857 let Inst{21} = 0; // W = 0
4858 let Inst{20} = load;
4859 let Inst{19-16} = addr{12-9};
4860 let Inst{15-12} = CRd;
4861 let Inst{11-8} = cop;
4862 let Inst{7-0} = addr{7-0};
4863 let DecoderMethod = "DecodeCopMemInstruction";
4865 def _PRE : ACInoP<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5_pre:$addr),
4866 asm, "\t$cop, $CRd, $addr!", IndexModePre> {
4870 let Inst{24} = 1; // P = 1
4871 let Inst{23} = addr{8};
4872 let Inst{22} = Dbit;
4873 let Inst{21} = 1; // W = 1
4874 let Inst{20} = load;
4875 let Inst{19-16} = addr{12-9};
4876 let Inst{15-12} = CRd;
4877 let Inst{11-8} = cop;
4878 let Inst{7-0} = addr{7-0};
4879 let DecoderMethod = "DecodeCopMemInstruction";
4881 def _POST: ACInoP<(outs), (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
4882 postidx_imm8s4:$offset),
4883 asm, "\t$cop, $CRd, $addr, $offset", IndexModePost> {
4888 let Inst{24} = 0; // P = 0
4889 let Inst{23} = offset{8};
4890 let Inst{22} = Dbit;
4891 let Inst{21} = 1; // W = 1
4892 let Inst{20} = load;
4893 let Inst{19-16} = addr;
4894 let Inst{15-12} = CRd;
4895 let Inst{11-8} = cop;
4896 let Inst{7-0} = offset{7-0};
4897 let DecoderMethod = "DecodeCopMemInstruction";
4899 def _OPTION : ACInoP<(outs),
4900 (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
4901 coproc_option_imm:$option),
4902 asm, "\t$cop, $CRd, $addr, $option"> {
4907 let Inst{24} = 0; // P = 0
4908 let Inst{23} = 1; // U = 1
4909 let Inst{22} = Dbit;
4910 let Inst{21} = 0; // W = 0
4911 let Inst{20} = load;
4912 let Inst{19-16} = addr;
4913 let Inst{15-12} = CRd;
4914 let Inst{11-8} = cop;
4915 let Inst{7-0} = option;
4916 let DecoderMethod = "DecodeCopMemInstruction";
4920 defm LDC : LdStCop <1, 0, "ldc">;
4921 defm LDCL : LdStCop <1, 1, "ldcl">;
4922 defm STC : LdStCop <0, 0, "stc">;
4923 defm STCL : LdStCop <0, 1, "stcl">;
4924 defm LDC2 : LdSt2Cop<1, 0, "ldc2">, Requires<[PreV8]>;
4925 defm LDC2L : LdSt2Cop<1, 1, "ldc2l">, Requires<[PreV8]>;
4926 defm STC2 : LdSt2Cop<0, 0, "stc2">, Requires<[PreV8]>;
4927 defm STC2L : LdSt2Cop<0, 1, "stc2l">, Requires<[PreV8]>;
4929 //===----------------------------------------------------------------------===//
4930 // Move between coprocessor and ARM core register.
4933 class MovRCopro<string opc, bit direction, dag oops, dag iops,
4935 : ABI<0b1110, oops, iops, NoItinerary, opc,
4936 "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2", pattern> {
4937 let Inst{20} = direction;
4947 let Inst{15-12} = Rt;
4948 let Inst{11-8} = cop;
4949 let Inst{23-21} = opc1;
4950 let Inst{7-5} = opc2;
4951 let Inst{3-0} = CRm;
4952 let Inst{19-16} = CRn;
4955 def MCR : MovRCopro<"mcr", 0 /* from ARM core register to coprocessor */,
4957 (ins p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
4958 c_imm:$CRm, imm0_7:$opc2),
4959 [(int_arm_mcr imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
4960 imm:$CRm, imm:$opc2)]>,
4961 ComplexDeprecationPredicate<"MCR">;
4962 def : ARMInstAlias<"mcr${p} $cop, $opc1, $Rt, $CRn, $CRm",
4963 (MCR p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
4964 c_imm:$CRm, 0, pred:$p)>;
4965 def MRC : MovRCopro<"mrc", 1 /* from coprocessor to ARM core register */,
4966 (outs GPRwithAPSR:$Rt),
4967 (ins p_imm:$cop, imm0_7:$opc1, c_imm:$CRn, c_imm:$CRm,
4969 def : ARMInstAlias<"mrc${p} $cop, $opc1, $Rt, $CRn, $CRm",
4970 (MRC GPRwithAPSR:$Rt, p_imm:$cop, imm0_7:$opc1, c_imm:$CRn,
4971 c_imm:$CRm, 0, pred:$p)>;
4973 def : ARMPat<(int_arm_mrc imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2),
4974 (MRC imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
4976 class MovRCopro2<string opc, bit direction, dag oops, dag iops,
4978 : ABXI<0b1110, oops, iops, NoItinerary,
4979 !strconcat(opc, "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2"), pattern> {
4980 let Inst{31-24} = 0b11111110;
4981 let Inst{20} = direction;
4991 let Inst{15-12} = Rt;
4992 let Inst{11-8} = cop;
4993 let Inst{23-21} = opc1;
4994 let Inst{7-5} = opc2;
4995 let Inst{3-0} = CRm;
4996 let Inst{19-16} = CRn;
4999 def MCR2 : MovRCopro2<"mcr2", 0 /* from ARM core register to coprocessor */,
5001 (ins p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
5002 c_imm:$CRm, imm0_7:$opc2),
5003 [(int_arm_mcr2 imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
5004 imm:$CRm, imm:$opc2)]>,
5006 def : ARMInstAlias<"mcr2$ $cop, $opc1, $Rt, $CRn, $CRm",
5007 (MCR2 p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
5009 def MRC2 : MovRCopro2<"mrc2", 1 /* from coprocessor to ARM core register */,
5010 (outs GPRwithAPSR:$Rt),
5011 (ins p_imm:$cop, imm0_7:$opc1, c_imm:$CRn, c_imm:$CRm,
5014 def : ARMInstAlias<"mrc2$ $cop, $opc1, $Rt, $CRn, $CRm",
5015 (MRC2 GPRwithAPSR:$Rt, p_imm:$cop, imm0_7:$opc1, c_imm:$CRn,
5018 def : ARMV5TPat<(int_arm_mrc2 imm:$cop, imm:$opc1, imm:$CRn,
5019 imm:$CRm, imm:$opc2),
5020 (MRC2 imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
5022 class MovRRCopro<string opc, bit direction, list<dag> pattern = []>
5023 : ABI<0b1100, (outs), (ins p_imm:$cop, imm0_15:$opc1,
5024 GPRnopc:$Rt, GPRnopc:$Rt2, c_imm:$CRm),
5025 NoItinerary, opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm", pattern> {
5026 let Inst{23-21} = 0b010;
5027 let Inst{20} = direction;
5035 let Inst{15-12} = Rt;
5036 let Inst{19-16} = Rt2;
5037 let Inst{11-8} = cop;
5038 let Inst{7-4} = opc1;
5039 let Inst{3-0} = CRm;
5042 def MCRR : MovRRCopro<"mcrr", 0 /* from ARM core register to coprocessor */,
5043 [(int_arm_mcrr imm:$cop, imm:$opc1, GPRnopc:$Rt,
5044 GPRnopc:$Rt2, imm:$CRm)]>;
5045 def MRRC : MovRRCopro<"mrrc", 1 /* from coprocessor to ARM core register */>;
5047 class MovRRCopro2<string opc, bit direction, list<dag> pattern = []>
5048 : ABXI<0b1100, (outs), (ins p_imm:$cop, imm0_15:$opc1,
5049 GPRnopc:$Rt, GPRnopc:$Rt2, c_imm:$CRm), NoItinerary,
5050 !strconcat(opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm"), pattern>,
5052 let Inst{31-28} = 0b1111;
5053 let Inst{23-21} = 0b010;
5054 let Inst{20} = direction;
5062 let Inst{15-12} = Rt;
5063 let Inst{19-16} = Rt2;
5064 let Inst{11-8} = cop;
5065 let Inst{7-4} = opc1;
5066 let Inst{3-0} = CRm;
5068 let DecoderMethod = "DecodeMRRC2";
5071 def MCRR2 : MovRRCopro2<"mcrr2", 0 /* from ARM core register to coprocessor */,
5072 [(int_arm_mcrr2 imm:$cop, imm:$opc1, GPRnopc:$Rt,
5073 GPRnopc:$Rt2, imm:$CRm)]>;
5074 def MRRC2 : MovRRCopro2<"mrrc2", 1 /* from coprocessor to ARM core register */>;
5076 //===----------------------------------------------------------------------===//
5077 // Move between special register and ARM core register
5080 // Move to ARM core register from Special Register
5081 def MRS : ABI<0b0001, (outs GPRnopc:$Rd), (ins), NoItinerary,
5082 "mrs", "\t$Rd, apsr", []> {
5084 let Inst{23-16} = 0b00001111;
5085 let Unpredictable{19-17} = 0b111;
5087 let Inst{15-12} = Rd;
5089 let Inst{11-0} = 0b000000000000;
5090 let Unpredictable{11-0} = 0b110100001111;
5093 def : InstAlias<"mrs${p} $Rd, cpsr", (MRS GPRnopc:$Rd, pred:$p)>,
5096 // The MRSsys instruction is the MRS instruction from the ARM ARM,
5097 // section B9.3.9, with the R bit set to 1.
5098 def MRSsys : ABI<0b0001, (outs GPRnopc:$Rd), (ins), NoItinerary,
5099 "mrs", "\t$Rd, spsr", []> {
5101 let Inst{23-16} = 0b01001111;
5102 let Unpredictable{19-16} = 0b1111;
5104 let Inst{15-12} = Rd;
5106 let Inst{11-0} = 0b000000000000;
5107 let Unpredictable{11-0} = 0b110100001111;
5110 // Move from ARM core register to Special Register
5112 // No need to have both system and application versions, the encodings are the
5113 // same and the assembly parser has no way to distinguish between them. The mask
5114 // operand contains the special register (R Bit) in bit 4 and bits 3-0 contains
5115 // the mask with the fields to be accessed in the special register.
5116 def MSR : ABI<0b0001, (outs), (ins msr_mask:$mask, GPR:$Rn), NoItinerary,
5117 "msr", "\t$mask, $Rn", []> {
5122 let Inst{22} = mask{4}; // R bit
5123 let Inst{21-20} = 0b10;
5124 let Inst{19-16} = mask{3-0};
5125 let Inst{15-12} = 0b1111;
5126 let Inst{11-4} = 0b00000000;
5130 def MSRi : ABI<0b0011, (outs), (ins msr_mask:$mask, so_imm:$a), NoItinerary,
5131 "msr", "\t$mask, $a", []> {
5136 let Inst{22} = mask{4}; // R bit
5137 let Inst{21-20} = 0b10;
5138 let Inst{19-16} = mask{3-0};
5139 let Inst{15-12} = 0b1111;
5143 //===----------------------------------------------------------------------===//
5147 // __aeabi_read_tp preserves the registers r1-r3.
5148 // This is a pseudo inst so that we can get the encoding right,
5149 // complete with fixup for the aeabi_read_tp function.
5151 Defs = [R0, R12, LR, CPSR], Uses = [SP] in {
5152 def TPsoft : PseudoInst<(outs), (ins), IIC_Br,
5153 [(set R0, ARMthread_pointer)]>, Sched<[WriteBr]>;
5156 //===----------------------------------------------------------------------===//
5157 // SJLJ Exception handling intrinsics
5158 // eh_sjlj_setjmp() is an instruction sequence to store the return
5159 // address and save #0 in R0 for the non-longjmp case.
5160 // Since by its nature we may be coming from some other function to get
5161 // here, and we're using the stack frame for the containing function to
5162 // save/restore registers, we can't keep anything live in regs across
5163 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
5164 // when we get here from a longjmp(). We force everything out of registers
5165 // except for our own input by listing the relevant registers in Defs. By
5166 // doing so, we also cause the prologue/epilogue code to actively preserve
5167 // all of the callee-saved resgisters, which is exactly what we want.
5168 // A constant value is passed in $val, and we use the location as a scratch.
5170 // These are pseudo-instructions and are lowered to individual MC-insts, so
5171 // no encoding information is necessary.
5173 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR,
5174 Q0, Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8, Q9, Q10, Q11, Q12, Q13, Q14, Q15 ],
5175 hasSideEffects = 1, isBarrier = 1, usesCustomInserter = 1 in {
5176 def Int_eh_sjlj_setjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
5178 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
5179 Requires<[IsARM, HasVFP2]>;
5183 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR ],
5184 hasSideEffects = 1, isBarrier = 1, usesCustomInserter = 1 in {
5185 def Int_eh_sjlj_setjmp_nofp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
5187 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
5188 Requires<[IsARM, NoVFP]>;
5191 // FIXME: Non-IOS version(s)
5192 let isBarrier = 1, hasSideEffects = 1, isTerminator = 1,
5193 Defs = [ R7, LR, SP ] in {
5194 def Int_eh_sjlj_longjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$scratch),
5196 [(ARMeh_sjlj_longjmp GPR:$src, GPR:$scratch)]>,
5197 Requires<[IsARM, IsIOS]>;
5200 // eh.sjlj.dispatchsetup pseudo-instruction.
5201 // This pseudo is used for both ARM and Thumb. Any differences are handled when
5202 // the pseudo is expanded (which happens before any passes that need the
5203 // instruction size).
5204 let isBarrier = 1 in
5205 def Int_eh_sjlj_dispatchsetup : PseudoInst<(outs), (ins), NoItinerary, []>;
5208 //===----------------------------------------------------------------------===//
5209 // Non-Instruction Patterns
5212 // ARMv4 indirect branch using (MOVr PC, dst)
5213 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in
5214 def MOVPCRX : ARMPseudoExpand<(outs), (ins GPR:$dst),
5215 4, IIC_Br, [(brind GPR:$dst)],
5216 (MOVr PC, GPR:$dst, (ops 14, zero_reg), zero_reg)>,
5217 Requires<[IsARM, NoV4T]>, Sched<[WriteBr]>;
5219 // Large immediate handling.
5221 // 32-bit immediate using two piece so_imms or movw + movt.
5222 // This is a single pseudo instruction, the benefit is that it can be remat'd
5223 // as a single unit instead of having to handle reg inputs.
5224 // FIXME: Remove this when we can do generalized remat.
5225 let isReMaterializable = 1, isMoveImm = 1 in
5226 def MOVi32imm : PseudoInst<(outs GPR:$dst), (ins i32imm:$src), IIC_iMOVix2,
5227 [(set GPR:$dst, (arm_i32imm:$src))]>,
5230 def LDRLIT_ga_abs : PseudoInst<(outs GPR:$dst), (ins i32imm:$src), IIC_iLoad_i,
5231 [(set GPR:$dst, (ARMWrapper tglobaladdr:$src))]>,
5232 Requires<[IsARM, DontUseMovt]>;
5234 // Pseudo instruction that combines movw + movt + add pc (if PIC).
5235 // It also makes it possible to rematerialize the instructions.
5236 // FIXME: Remove this when we can do generalized remat and when machine licm
5237 // can properly the instructions.
5238 let isReMaterializable = 1 in {
5239 def MOV_ga_pcrel : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
5241 [(set GPR:$dst, (ARMWrapperPIC tglobaladdr:$addr))]>,
5242 Requires<[IsARM, UseMovt]>;
5244 def LDRLIT_ga_pcrel : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
5247 (ARMWrapperPIC tglobaladdr:$addr))]>,
5248 Requires<[IsARM, DontUseMovt]>;
5250 def LDRLIT_ga_pcrel_ldr : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
5253 (load (ARMWrapperPIC tglobaladdr:$addr)))]>,
5254 Requires<[IsARM, DontUseMovt]>;
5256 let AddedComplexity = 10 in
5257 def MOV_ga_pcrel_ldr : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
5259 [(set GPR:$dst, (load (ARMWrapperPIC tglobaladdr:$addr)))]>,
5260 Requires<[IsARM, UseMovt]>;
5261 } // isReMaterializable
5263 // ConstantPool, GlobalAddress, and JumpTable
5264 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
5265 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
5266 Requires<[IsARM, UseMovt]>;
5267 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
5268 (LEApcrelJT tjumptable:$dst, imm:$id)>;
5270 // TODO: add,sub,and, 3-instr forms?
5272 // Tail calls. These patterns also apply to Thumb mode.
5273 def : Pat<(ARMtcret tcGPR:$dst), (TCRETURNri tcGPR:$dst)>;
5274 def : Pat<(ARMtcret (i32 tglobaladdr:$dst)), (TCRETURNdi texternalsym:$dst)>;
5275 def : Pat<(ARMtcret (i32 texternalsym:$dst)), (TCRETURNdi texternalsym:$dst)>;
5278 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>;
5279 def : ARMPat<(ARMcall_nolink texternalsym:$func),
5280 (BMOVPCB_CALL texternalsym:$func)>;
5282 // zextload i1 -> zextload i8
5283 def : ARMPat<(zextloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
5284 def : ARMPat<(zextloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
5286 // extload -> zextload
5287 def : ARMPat<(extloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
5288 def : ARMPat<(extloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
5289 def : ARMPat<(extloadi8 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
5290 def : ARMPat<(extloadi8 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
5292 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
5294 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
5295 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
5298 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
5299 (sra (shl GPR:$b, (i32 16)), (i32 16))),
5300 (SMULBB GPR:$a, GPR:$b)>;
5301 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
5302 (SMULBB GPR:$a, GPR:$b)>;
5303 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
5304 (sra GPR:$b, (i32 16))),
5305 (SMULBT GPR:$a, GPR:$b)>;
5306 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
5307 (SMULBT GPR:$a, GPR:$b)>;
5308 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
5309 (sra (shl GPR:$b, (i32 16)), (i32 16))),
5310 (SMULTB GPR:$a, GPR:$b)>;
5311 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
5312 (SMULTB GPR:$a, GPR:$b)>;
5313 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
5315 (SMULWB GPR:$a, GPR:$b)>;
5316 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
5317 (SMULWB GPR:$a, GPR:$b)>;
5319 def : ARMV5MOPat<(add GPR:$acc,
5320 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
5321 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
5322 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
5323 def : ARMV5MOPat<(add GPR:$acc,
5324 (mul sext_16_node:$a, sext_16_node:$b)),
5325 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
5326 def : ARMV5MOPat<(add GPR:$acc,
5327 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
5328 (sra GPR:$b, (i32 16)))),
5329 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
5330 def : ARMV5MOPat<(add GPR:$acc,
5331 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
5332 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
5333 def : ARMV5MOPat<(add GPR:$acc,
5334 (mul (sra GPR:$a, (i32 16)),
5335 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
5336 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
5337 def : ARMV5MOPat<(add GPR:$acc,
5338 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
5339 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
5340 def : ARMV5MOPat<(add GPR:$acc,
5341 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
5343 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
5344 def : ARMV5MOPat<(add GPR:$acc,
5345 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
5346 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
5349 // Pre-v7 uses MCR for synchronization barriers.
5350 def : ARMPat<(ARMMemBarrierMCR GPR:$zero), (MCR 15, 0, GPR:$zero, 7, 10, 5)>,
5351 Requires<[IsARM, HasV6]>;
5353 // SXT/UXT with no rotate
5354 let AddedComplexity = 16 in {
5355 def : ARMV6Pat<(and GPR:$Src, 0x000000FF), (UXTB GPR:$Src, 0)>;
5356 def : ARMV6Pat<(and GPR:$Src, 0x0000FFFF), (UXTH GPR:$Src, 0)>;
5357 def : ARMV6Pat<(and GPR:$Src, 0x00FF00FF), (UXTB16 GPR:$Src, 0)>;
5358 def : ARMV6Pat<(add GPR:$Rn, (and GPR:$Rm, 0x00FF)),
5359 (UXTAB GPR:$Rn, GPR:$Rm, 0)>;
5360 def : ARMV6Pat<(add GPR:$Rn, (and GPR:$Rm, 0xFFFF)),
5361 (UXTAH GPR:$Rn, GPR:$Rm, 0)>;
5364 def : ARMV6Pat<(sext_inreg GPR:$Src, i8), (SXTB GPR:$Src, 0)>;
5365 def : ARMV6Pat<(sext_inreg GPR:$Src, i16), (SXTH GPR:$Src, 0)>;
5367 def : ARMV6Pat<(add GPR:$Rn, (sext_inreg GPRnopc:$Rm, i8)),
5368 (SXTAB GPR:$Rn, GPRnopc:$Rm, 0)>;
5369 def : ARMV6Pat<(add GPR:$Rn, (sext_inreg GPRnopc:$Rm, i16)),
5370 (SXTAH GPR:$Rn, GPRnopc:$Rm, 0)>;
5372 // Atomic load/store patterns
5373 def : ARMPat<(atomic_load_8 ldst_so_reg:$src),
5374 (LDRBrs ldst_so_reg:$src)>;
5375 def : ARMPat<(atomic_load_8 addrmode_imm12:$src),
5376 (LDRBi12 addrmode_imm12:$src)>;
5377 def : ARMPat<(atomic_load_16 addrmode3:$src),
5378 (LDRH addrmode3:$src)>;
5379 def : ARMPat<(atomic_load_32 ldst_so_reg:$src),
5380 (LDRrs ldst_so_reg:$src)>;
5381 def : ARMPat<(atomic_load_32 addrmode_imm12:$src),
5382 (LDRi12 addrmode_imm12:$src)>;
5383 def : ARMPat<(atomic_store_8 ldst_so_reg:$ptr, GPR:$val),
5384 (STRBrs GPR:$val, ldst_so_reg:$ptr)>;
5385 def : ARMPat<(atomic_store_8 addrmode_imm12:$ptr, GPR:$val),
5386 (STRBi12 GPR:$val, addrmode_imm12:$ptr)>;
5387 def : ARMPat<(atomic_store_16 addrmode3:$ptr, GPR:$val),
5388 (STRH GPR:$val, addrmode3:$ptr)>;
5389 def : ARMPat<(atomic_store_32 ldst_so_reg:$ptr, GPR:$val),
5390 (STRrs GPR:$val, ldst_so_reg:$ptr)>;
5391 def : ARMPat<(atomic_store_32 addrmode_imm12:$ptr, GPR:$val),
5392 (STRi12 GPR:$val, addrmode_imm12:$ptr)>;
5395 //===----------------------------------------------------------------------===//
5399 include "ARMInstrThumb.td"
5401 //===----------------------------------------------------------------------===//
5405 include "ARMInstrThumb2.td"
5407 //===----------------------------------------------------------------------===//
5408 // Floating Point Support
5411 include "ARMInstrVFP.td"
5413 //===----------------------------------------------------------------------===//
5414 // Advanced SIMD (NEON) Support
5417 include "ARMInstrNEON.td"
5419 //===----------------------------------------------------------------------===//
5420 // Assembler aliases
5424 def : InstAlias<"dmb", (DMB 0xf)>, Requires<[IsARM, HasDB]>;
5425 def : InstAlias<"dsb", (DSB 0xf)>, Requires<[IsARM, HasDB]>;
5426 def : InstAlias<"isb", (ISB 0xf)>, Requires<[IsARM, HasDB]>;
5428 // System instructions
5429 def : MnemonicAlias<"swi", "svc">;
5431 // Load / Store Multiple
5432 def : MnemonicAlias<"ldmfd", "ldm">;
5433 def : MnemonicAlias<"ldmia", "ldm">;
5434 def : MnemonicAlias<"ldmea", "ldmdb">;
5435 def : MnemonicAlias<"stmfd", "stmdb">;
5436 def : MnemonicAlias<"stmia", "stm">;
5437 def : MnemonicAlias<"stmea", "stm">;
5439 // PKHBT/PKHTB with default shift amount. PKHTB is equivalent to PKHBT when the
5440 // shift amount is zero (i.e., unspecified).
5441 def : InstAlias<"pkhbt${p} $Rd, $Rn, $Rm",
5442 (PKHBT GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, 0, pred:$p)>,
5443 Requires<[IsARM, HasV6]>;
5444 def : InstAlias<"pkhtb${p} $Rd, $Rn, $Rm",
5445 (PKHBT GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, 0, pred:$p)>,
5446 Requires<[IsARM, HasV6]>;
5448 // PUSH/POP aliases for STM/LDM
5449 def : ARMInstAlias<"push${p} $regs", (STMDB_UPD SP, pred:$p, reglist:$regs)>;
5450 def : ARMInstAlias<"pop${p} $regs", (LDMIA_UPD SP, pred:$p, reglist:$regs)>;
5452 // SSAT/USAT optional shift operand.
5453 def : ARMInstAlias<"ssat${p} $Rd, $sat_imm, $Rn",
5454 (SSAT GPRnopc:$Rd, imm1_32:$sat_imm, GPRnopc:$Rn, 0, pred:$p)>;
5455 def : ARMInstAlias<"usat${p} $Rd, $sat_imm, $Rn",
5456 (USAT GPRnopc:$Rd, imm0_31:$sat_imm, GPRnopc:$Rn, 0, pred:$p)>;
5459 // Extend instruction optional rotate operand.
5460 def : ARMInstAlias<"sxtab${p} $Rd, $Rn, $Rm",
5461 (SXTAB GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5462 def : ARMInstAlias<"sxtah${p} $Rd, $Rn, $Rm",
5463 (SXTAH GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5464 def : ARMInstAlias<"sxtab16${p} $Rd, $Rn, $Rm",
5465 (SXTAB16 GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5466 def : ARMInstAlias<"sxtb${p} $Rd, $Rm",
5467 (SXTB GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5468 def : ARMInstAlias<"sxtb16${p} $Rd, $Rm",
5469 (SXTB16 GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5470 def : ARMInstAlias<"sxth${p} $Rd, $Rm",
5471 (SXTH GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5473 def : ARMInstAlias<"uxtab${p} $Rd, $Rn, $Rm",
5474 (UXTAB GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5475 def : ARMInstAlias<"uxtah${p} $Rd, $Rn, $Rm",
5476 (UXTAH GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5477 def : ARMInstAlias<"uxtab16${p} $Rd, $Rn, $Rm",
5478 (UXTAB16 GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5479 def : ARMInstAlias<"uxtb${p} $Rd, $Rm",
5480 (UXTB GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5481 def : ARMInstAlias<"uxtb16${p} $Rd, $Rm",
5482 (UXTB16 GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5483 def : ARMInstAlias<"uxth${p} $Rd, $Rm",
5484 (UXTH GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5488 def : MnemonicAlias<"rfefa", "rfeda">;
5489 def : MnemonicAlias<"rfeea", "rfedb">;
5490 def : MnemonicAlias<"rfefd", "rfeia">;
5491 def : MnemonicAlias<"rfeed", "rfeib">;
5492 def : MnemonicAlias<"rfe", "rfeia">;
5495 def : MnemonicAlias<"srsfa", "srsib">;
5496 def : MnemonicAlias<"srsea", "srsia">;
5497 def : MnemonicAlias<"srsfd", "srsdb">;
5498 def : MnemonicAlias<"srsed", "srsda">;
5499 def : MnemonicAlias<"srs", "srsia">;
5502 def : MnemonicAlias<"qsubaddx", "qsax">;
5504 def : MnemonicAlias<"saddsubx", "sasx">;
5505 // SHASX == SHADDSUBX
5506 def : MnemonicAlias<"shaddsubx", "shasx">;
5507 // SHSAX == SHSUBADDX
5508 def : MnemonicAlias<"shsubaddx", "shsax">;
5510 def : MnemonicAlias<"ssubaddx", "ssax">;
5512 def : MnemonicAlias<"uaddsubx", "uasx">;
5513 // UHASX == UHADDSUBX
5514 def : MnemonicAlias<"uhaddsubx", "uhasx">;
5515 // UHSAX == UHSUBADDX
5516 def : MnemonicAlias<"uhsubaddx", "uhsax">;
5517 // UQASX == UQADDSUBX
5518 def : MnemonicAlias<"uqaddsubx", "uqasx">;
5519 // UQSAX == UQSUBADDX
5520 def : MnemonicAlias<"uqsubaddx", "uqsax">;
5522 def : MnemonicAlias<"usubaddx", "usax">;
5524 // "mov Rd, so_imm_not" can be handled via "mvn" in assembly, just like
5526 def : ARMInstAlias<"mov${s}${p} $Rd, $imm",
5527 (MVNi rGPR:$Rd, so_imm_not:$imm, pred:$p, cc_out:$s)>;
5528 def : ARMInstAlias<"mvn${s}${p} $Rd, $imm",
5529 (MOVi rGPR:$Rd, so_imm_not:$imm, pred:$p, cc_out:$s)>;
5530 // Same for AND <--> BIC
5531 def : ARMInstAlias<"bic${s}${p} $Rd, $Rn, $imm",
5532 (ANDri rGPR:$Rd, rGPR:$Rn, so_imm_not:$imm,
5533 pred:$p, cc_out:$s)>;
5534 def : ARMInstAlias<"bic${s}${p} $Rdn, $imm",
5535 (ANDri rGPR:$Rdn, rGPR:$Rdn, so_imm_not:$imm,
5536 pred:$p, cc_out:$s)>;
5537 def : ARMInstAlias<"and${s}${p} $Rd, $Rn, $imm",
5538 (BICri rGPR:$Rd, rGPR:$Rn, so_imm_not:$imm,
5539 pred:$p, cc_out:$s)>;
5540 def : ARMInstAlias<"and${s}${p} $Rdn, $imm",
5541 (BICri rGPR:$Rdn, rGPR:$Rdn, so_imm_not:$imm,
5542 pred:$p, cc_out:$s)>;
5544 // Likewise, "add Rd, so_imm_neg" -> sub
5545 def : ARMInstAlias<"add${s}${p} $Rd, $Rn, $imm",
5546 (SUBri GPR:$Rd, GPR:$Rn, so_imm_neg:$imm, pred:$p, cc_out:$s)>;
5547 def : ARMInstAlias<"add${s}${p} $Rd, $imm",
5548 (SUBri GPR:$Rd, GPR:$Rd, so_imm_neg:$imm, pred:$p, cc_out:$s)>;
5549 // Same for CMP <--> CMN via so_imm_neg
5550 def : ARMInstAlias<"cmp${p} $Rd, $imm",
5551 (CMNri rGPR:$Rd, so_imm_neg:$imm, pred:$p)>;
5552 def : ARMInstAlias<"cmn${p} $Rd, $imm",
5553 (CMPri rGPR:$Rd, so_imm_neg:$imm, pred:$p)>;
5555 // The shifter forms of the MOV instruction are aliased to the ASR, LSL,
5556 // LSR, ROR, and RRX instructions.
5557 // FIXME: We need C++ parser hooks to map the alias to the MOV
5558 // encoding. It seems we should be able to do that sort of thing
5559 // in tblgen, but it could get ugly.
5560 let TwoOperandAliasConstraint = "$Rm = $Rd" in {
5561 def ASRi : ARMAsmPseudo<"asr${s}${p} $Rd, $Rm, $imm",
5562 (ins GPR:$Rd, GPR:$Rm, imm0_32:$imm, pred:$p,
5564 def LSRi : ARMAsmPseudo<"lsr${s}${p} $Rd, $Rm, $imm",
5565 (ins GPR:$Rd, GPR:$Rm, imm0_32:$imm, pred:$p,
5567 def LSLi : ARMAsmPseudo<"lsl${s}${p} $Rd, $Rm, $imm",
5568 (ins GPR:$Rd, GPR:$Rm, imm0_31:$imm, pred:$p,
5570 def RORi : ARMAsmPseudo<"ror${s}${p} $Rd, $Rm, $imm",
5571 (ins GPR:$Rd, GPR:$Rm, imm0_31:$imm, pred:$p,
5574 def RRXi : ARMAsmPseudo<"rrx${s}${p} $Rd, $Rm",
5575 (ins GPR:$Rd, GPR:$Rm, pred:$p, cc_out:$s)>;
5576 let TwoOperandAliasConstraint = "$Rn = $Rd" in {
5577 def ASRr : ARMAsmPseudo<"asr${s}${p} $Rd, $Rn, $Rm",
5578 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5580 def LSRr : ARMAsmPseudo<"lsr${s}${p} $Rd, $Rn, $Rm",
5581 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5583 def LSLr : ARMAsmPseudo<"lsl${s}${p} $Rd, $Rn, $Rm",
5584 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5586 def RORr : ARMAsmPseudo<"ror${s}${p} $Rd, $Rn, $Rm",
5587 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5591 // "neg" is and alias for "rsb rd, rn, #0"
5592 def : ARMInstAlias<"neg${s}${p} $Rd, $Rm",
5593 (RSBri GPR:$Rd, GPR:$Rm, 0, pred:$p, cc_out:$s)>;
5595 // Pre-v6, 'mov r0, r0' was used as a NOP encoding.
5596 def : InstAlias<"nop${p}", (MOVr R0, R0, pred:$p, zero_reg)>,
5597 Requires<[IsARM, NoV6]>;
5599 // MUL/UMLAL/SMLAL/UMULL/SMULL are available on all arches, but
5600 // the instruction definitions need difference constraints pre-v6.
5601 // Use these aliases for the assembly parsing on pre-v6.
5602 def : InstAlias<"mul${s}${p} $Rd, $Rn, $Rm",
5603 (MUL GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p, cc_out:$s)>,
5604 Requires<[IsARM, NoV6]>;
5605 def : InstAlias<"smlal${s}${p} $RdLo, $RdHi, $Rn, $Rm",
5606 (SMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
5607 Requires<[IsARM, NoV6]>;
5608 def : InstAlias<"umlal${s}${p} $RdLo, $RdHi, $Rn, $Rm",
5609 (UMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
5610 Requires<[IsARM, NoV6]>;
5611 def : InstAlias<"smull${s}${p} $RdLo, $RdHi, $Rn, $Rm",
5612 (SMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
5613 Requires<[IsARM, NoV6]>;
5614 def : InstAlias<"umull${s}${p} $RdLo, $RdHi, $Rn, $Rm",
5615 (UMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
5616 Requires<[IsARM, NoV6]>;
5618 // 'it' blocks in ARM mode just validate the predicates. The IT itself
5620 def ITasm : ARMAsmPseudo<"it$mask $cc", (ins it_pred:$cc, it_mask:$mask)>,
5621 ComplexDeprecationPredicate<"IT">;