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 IsNaCl : Predicate<"Subtarget->isTargetNaCl()">;
264 def UseNaClTrap : Predicate<"Subtarget->useNaClTrap()">,
265 AssemblerPredicate<"FeatureNaClTrap", "NaCl">;
266 def DontUseNaClTrap : Predicate<"!Subtarget->useNaClTrap()">;
268 // FIXME: Eventually this will be just "hasV6T2Ops".
269 def UseMovt : Predicate<"Subtarget->useMovt()">;
270 def DontUseMovt : Predicate<"!Subtarget->useMovt()">;
271 def UseFPVMLx : Predicate<"Subtarget->useFPVMLx()">;
272 def UseMulOps : Predicate<"Subtarget->useMulOps()">;
274 // Prefer fused MAC for fp mul + add over fp VMLA / VMLS if they are available.
275 // But only select them if more precision in FP computation is allowed.
276 // Do not use them for Darwin platforms.
277 def UseFusedMAC : Predicate<"(TM.Options.AllowFPOpFusion =="
278 " FPOpFusion::Fast && "
279 " Subtarget->hasVFP4()) && "
280 "!Subtarget->isTargetDarwin()">;
281 def DontUseFusedMAC : Predicate<"!(TM.Options.AllowFPOpFusion =="
282 " FPOpFusion::Fast &&"
283 " Subtarget->hasVFP4()) || "
284 "Subtarget->isTargetDarwin()">;
286 // VGETLNi32 is microcoded on Swift - prefer VMOV.
287 def HasFastVGETLNi32 : Predicate<"!Subtarget->isSwift()">;
288 def HasSlowVGETLNi32 : Predicate<"Subtarget->isSwift()">;
290 // VDUP.32 is microcoded on Swift - prefer VMOV.
291 def HasFastVDUP32 : Predicate<"!Subtarget->isSwift()">;
292 def HasSlowVDUP32 : Predicate<"Subtarget->isSwift()">;
294 // Cortex-A9 prefers VMOVSR to VMOVDRR even when using NEON for scalar FP, as
295 // this allows more effective execution domain optimization. See
296 // setExecutionDomain().
297 def UseVMOVSR : Predicate<"Subtarget->isCortexA9() || !Subtarget->useNEONForSinglePrecisionFP()">;
298 def DontUseVMOVSR : Predicate<"!Subtarget->isCortexA9() && Subtarget->useNEONForSinglePrecisionFP()">;
300 def IsLE : Predicate<"getTargetLowering()->isLittleEndian()">;
301 def IsBE : Predicate<"getTargetLowering()->isBigEndian()">;
303 //===----------------------------------------------------------------------===//
304 // ARM Flag Definitions.
306 class RegConstraint<string C> {
307 string Constraints = C;
310 //===----------------------------------------------------------------------===//
311 // ARM specific transformation functions and pattern fragments.
314 // imm_neg_XFORM - Return the negation of an i32 immediate value.
315 def imm_neg_XFORM : SDNodeXForm<imm, [{
316 return CurDAG->getTargetConstant(-(int)N->getZExtValue(), MVT::i32);
319 // imm_not_XFORM - Return the complement of a i32 immediate value.
320 def imm_not_XFORM : SDNodeXForm<imm, [{
321 return CurDAG->getTargetConstant(~(int)N->getZExtValue(), MVT::i32);
324 /// imm16_31 predicate - True if the 32-bit immediate is in the range [16,31].
325 def imm16_31 : ImmLeaf<i32, [{
326 return (int32_t)Imm >= 16 && (int32_t)Imm < 32;
329 def so_imm_neg_asmoperand : AsmOperandClass { let Name = "ARMSOImmNeg"; }
330 def so_imm_neg : Operand<i32>, PatLeaf<(imm), [{
331 unsigned Value = -(unsigned)N->getZExtValue();
332 return Value && ARM_AM::getSOImmVal(Value) != -1;
334 let ParserMatchClass = so_imm_neg_asmoperand;
337 // Note: this pattern doesn't require an encoder method and such, as it's
338 // only used on aliases (Pat<> and InstAlias<>). The actual encoding
339 // is handled by the destination instructions, which use so_imm.
340 def so_imm_not_asmoperand : AsmOperandClass { let Name = "ARMSOImmNot"; }
341 def so_imm_not : Operand<i32>, PatLeaf<(imm), [{
342 return ARM_AM::getSOImmVal(~(uint32_t)N->getZExtValue()) != -1;
344 let ParserMatchClass = so_imm_not_asmoperand;
347 // sext_16_node predicate - True if the SDNode is sign-extended 16 or more bits.
348 def sext_16_node : PatLeaf<(i32 GPR:$a), [{
349 return CurDAG->ComputeNumSignBits(SDValue(N,0)) >= 17;
352 /// Split a 32-bit immediate into two 16 bit parts.
353 def hi16 : SDNodeXForm<imm, [{
354 return CurDAG->getTargetConstant((uint32_t)N->getZExtValue() >> 16, MVT::i32);
357 def lo16AllZero : PatLeaf<(i32 imm), [{
358 // Returns true if all low 16-bits are 0.
359 return (((uint32_t)N->getZExtValue()) & 0xFFFFUL) == 0;
362 class BinOpWithFlagFrag<dag res> :
363 PatFrag<(ops node:$LHS, node:$RHS, node:$FLAG), res>;
364 class BinOpFrag<dag res> : PatFrag<(ops node:$LHS, node:$RHS), res>;
365 class UnOpFrag <dag res> : PatFrag<(ops node:$Src), res>;
367 // An 'and' node with a single use.
368 def and_su : PatFrag<(ops node:$lhs, node:$rhs), (and node:$lhs, node:$rhs), [{
369 return N->hasOneUse();
372 // An 'xor' node with a single use.
373 def xor_su : PatFrag<(ops node:$lhs, node:$rhs), (xor node:$lhs, node:$rhs), [{
374 return N->hasOneUse();
377 // An 'fmul' node with a single use.
378 def fmul_su : PatFrag<(ops node:$lhs, node:$rhs), (fmul node:$lhs, node:$rhs),[{
379 return N->hasOneUse();
382 // An 'fadd' node which checks for single non-hazardous use.
383 def fadd_mlx : PatFrag<(ops node:$lhs, node:$rhs),(fadd node:$lhs, node:$rhs),[{
384 return hasNoVMLxHazardUse(N);
387 // An 'fsub' node which checks for single non-hazardous use.
388 def fsub_mlx : PatFrag<(ops node:$lhs, node:$rhs),(fsub node:$lhs, node:$rhs),[{
389 return hasNoVMLxHazardUse(N);
392 //===----------------------------------------------------------------------===//
393 // Operand Definitions.
396 // Immediate operands with a shared generic asm render method.
397 class ImmAsmOperand : AsmOperandClass { let RenderMethod = "addImmOperands"; }
400 // FIXME: rename brtarget to t2_brtarget
401 def brtarget : Operand<OtherVT> {
402 let EncoderMethod = "getBranchTargetOpValue";
403 let OperandType = "OPERAND_PCREL";
404 let DecoderMethod = "DecodeT2BROperand";
407 // FIXME: get rid of this one?
408 def uncondbrtarget : Operand<OtherVT> {
409 let EncoderMethod = "getUnconditionalBranchTargetOpValue";
410 let OperandType = "OPERAND_PCREL";
413 // Branch target for ARM. Handles conditional/unconditional
414 def br_target : Operand<OtherVT> {
415 let EncoderMethod = "getARMBranchTargetOpValue";
416 let OperandType = "OPERAND_PCREL";
420 // FIXME: rename bltarget to t2_bl_target?
421 def bltarget : Operand<i32> {
422 // Encoded the same as branch targets.
423 let EncoderMethod = "getBranchTargetOpValue";
424 let OperandType = "OPERAND_PCREL";
427 // Call target for ARM. Handles conditional/unconditional
428 // FIXME: rename bl_target to t2_bltarget?
429 def bl_target : Operand<i32> {
430 let EncoderMethod = "getARMBLTargetOpValue";
431 let OperandType = "OPERAND_PCREL";
434 def blx_target : Operand<i32> {
435 let EncoderMethod = "getARMBLXTargetOpValue";
436 let OperandType = "OPERAND_PCREL";
439 // A list of registers separated by comma. Used by load/store multiple.
440 def RegListAsmOperand : AsmOperandClass { let Name = "RegList"; }
441 def reglist : Operand<i32> {
442 let EncoderMethod = "getRegisterListOpValue";
443 let ParserMatchClass = RegListAsmOperand;
444 let PrintMethod = "printRegisterList";
445 let DecoderMethod = "DecodeRegListOperand";
448 def GPRPairOp : RegisterOperand<GPRPair, "printGPRPairOperand">;
450 def DPRRegListAsmOperand : AsmOperandClass { let Name = "DPRRegList"; }
451 def dpr_reglist : Operand<i32> {
452 let EncoderMethod = "getRegisterListOpValue";
453 let ParserMatchClass = DPRRegListAsmOperand;
454 let PrintMethod = "printRegisterList";
455 let DecoderMethod = "DecodeDPRRegListOperand";
458 def SPRRegListAsmOperand : AsmOperandClass { let Name = "SPRRegList"; }
459 def spr_reglist : Operand<i32> {
460 let EncoderMethod = "getRegisterListOpValue";
461 let ParserMatchClass = SPRRegListAsmOperand;
462 let PrintMethod = "printRegisterList";
463 let DecoderMethod = "DecodeSPRRegListOperand";
466 // An operand for the CONSTPOOL_ENTRY pseudo-instruction.
467 def cpinst_operand : Operand<i32> {
468 let PrintMethod = "printCPInstOperand";
472 def pclabel : Operand<i32> {
473 let PrintMethod = "printPCLabel";
476 // ADR instruction labels.
477 def AdrLabelAsmOperand : AsmOperandClass { let Name = "AdrLabel"; }
478 def adrlabel : Operand<i32> {
479 let EncoderMethod = "getAdrLabelOpValue";
480 let ParserMatchClass = AdrLabelAsmOperand;
481 let PrintMethod = "printAdrLabelOperand<0>";
484 def neon_vcvt_imm32 : Operand<i32> {
485 let EncoderMethod = "getNEONVcvtImm32OpValue";
486 let DecoderMethod = "DecodeVCVTImmOperand";
489 // rot_imm: An integer that encodes a rotate amount. Must be 8, 16, or 24.
490 def rot_imm_XFORM: SDNodeXForm<imm, [{
491 switch (N->getZExtValue()){
493 case 0: return CurDAG->getTargetConstant(0, MVT::i32);
494 case 8: return CurDAG->getTargetConstant(1, MVT::i32);
495 case 16: return CurDAG->getTargetConstant(2, MVT::i32);
496 case 24: return CurDAG->getTargetConstant(3, MVT::i32);
499 def RotImmAsmOperand : AsmOperandClass {
501 let ParserMethod = "parseRotImm";
503 def rot_imm : Operand<i32>, PatLeaf<(i32 imm), [{
504 int32_t v = N->getZExtValue();
505 return v == 8 || v == 16 || v == 24; }],
507 let PrintMethod = "printRotImmOperand";
508 let ParserMatchClass = RotImmAsmOperand;
511 // shift_imm: An integer that encodes a shift amount and the type of shift
512 // (asr or lsl). The 6-bit immediate encodes as:
515 // {4-0} imm5 shift amount.
516 // asr #32 encoded as imm5 == 0.
517 def ShifterImmAsmOperand : AsmOperandClass {
518 let Name = "ShifterImm";
519 let ParserMethod = "parseShifterImm";
521 def shift_imm : Operand<i32> {
522 let PrintMethod = "printShiftImmOperand";
523 let ParserMatchClass = ShifterImmAsmOperand;
526 // shifter_operand operands: so_reg_reg, so_reg_imm, and so_imm.
527 def ShiftedRegAsmOperand : AsmOperandClass { let Name = "RegShiftedReg"; }
528 def so_reg_reg : Operand<i32>, // reg reg imm
529 ComplexPattern<i32, 3, "SelectRegShifterOperand",
530 [shl, srl, sra, rotr]> {
531 let EncoderMethod = "getSORegRegOpValue";
532 let PrintMethod = "printSORegRegOperand";
533 let DecoderMethod = "DecodeSORegRegOperand";
534 let ParserMatchClass = ShiftedRegAsmOperand;
535 let MIOperandInfo = (ops GPRnopc, GPRnopc, i32imm);
538 def ShiftedImmAsmOperand : AsmOperandClass { let Name = "RegShiftedImm"; }
539 def so_reg_imm : Operand<i32>, // reg imm
540 ComplexPattern<i32, 2, "SelectImmShifterOperand",
541 [shl, srl, sra, rotr]> {
542 let EncoderMethod = "getSORegImmOpValue";
543 let PrintMethod = "printSORegImmOperand";
544 let DecoderMethod = "DecodeSORegImmOperand";
545 let ParserMatchClass = ShiftedImmAsmOperand;
546 let MIOperandInfo = (ops GPR, i32imm);
549 // FIXME: Does this need to be distinct from so_reg?
550 def shift_so_reg_reg : Operand<i32>, // reg reg imm
551 ComplexPattern<i32, 3, "SelectShiftRegShifterOperand",
552 [shl,srl,sra,rotr]> {
553 let EncoderMethod = "getSORegRegOpValue";
554 let PrintMethod = "printSORegRegOperand";
555 let DecoderMethod = "DecodeSORegRegOperand";
556 let ParserMatchClass = ShiftedRegAsmOperand;
557 let MIOperandInfo = (ops GPR, GPR, i32imm);
560 // FIXME: Does this need to be distinct from so_reg?
561 def shift_so_reg_imm : Operand<i32>, // reg reg imm
562 ComplexPattern<i32, 2, "SelectShiftImmShifterOperand",
563 [shl,srl,sra,rotr]> {
564 let EncoderMethod = "getSORegImmOpValue";
565 let PrintMethod = "printSORegImmOperand";
566 let DecoderMethod = "DecodeSORegImmOperand";
567 let ParserMatchClass = ShiftedImmAsmOperand;
568 let MIOperandInfo = (ops GPR, i32imm);
572 // so_imm - Match a 32-bit shifter_operand immediate operand, which is an
573 // 8-bit immediate rotated by an arbitrary number of bits.
574 def SOImmAsmOperand: ImmAsmOperand { let Name = "ARMSOImm"; }
575 def so_imm : Operand<i32>, ImmLeaf<i32, [{
576 return ARM_AM::getSOImmVal(Imm) != -1;
578 let EncoderMethod = "getSOImmOpValue";
579 let ParserMatchClass = SOImmAsmOperand;
580 let DecoderMethod = "DecodeSOImmOperand";
583 // Break so_imm's up into two pieces. This handles immediates with up to 16
584 // bits set in them. This uses so_imm2part to match and so_imm2part_[12] to
585 // get the first/second pieces.
586 def so_imm2part : PatLeaf<(imm), [{
587 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
590 /// arm_i32imm - True for +V6T2, or true only if so_imm2part is true.
592 def arm_i32imm : PatLeaf<(imm), [{
593 if (Subtarget->hasV6T2Ops())
595 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
598 /// imm0_1 predicate - Immediate in the range [0,1].
599 def Imm0_1AsmOperand: ImmAsmOperand { let Name = "Imm0_1"; }
600 def imm0_1 : Operand<i32> { let ParserMatchClass = Imm0_1AsmOperand; }
602 /// imm0_3 predicate - Immediate in the range [0,3].
603 def Imm0_3AsmOperand: ImmAsmOperand { let Name = "Imm0_3"; }
604 def imm0_3 : Operand<i32> { let ParserMatchClass = Imm0_3AsmOperand; }
606 /// imm0_7 predicate - Immediate in the range [0,7].
607 def Imm0_7AsmOperand: ImmAsmOperand { let Name = "Imm0_7"; }
608 def imm0_7 : Operand<i32>, ImmLeaf<i32, [{
609 return Imm >= 0 && Imm < 8;
611 let ParserMatchClass = Imm0_7AsmOperand;
614 /// imm8 predicate - Immediate is exactly 8.
615 def Imm8AsmOperand: ImmAsmOperand { let Name = "Imm8"; }
616 def imm8 : Operand<i32>, ImmLeaf<i32, [{ return Imm == 8; }]> {
617 let ParserMatchClass = Imm8AsmOperand;
620 /// imm16 predicate - Immediate is exactly 16.
621 def Imm16AsmOperand: ImmAsmOperand { let Name = "Imm16"; }
622 def imm16 : Operand<i32>, ImmLeaf<i32, [{ return Imm == 16; }]> {
623 let ParserMatchClass = Imm16AsmOperand;
626 /// imm32 predicate - Immediate is exactly 32.
627 def Imm32AsmOperand: ImmAsmOperand { let Name = "Imm32"; }
628 def imm32 : Operand<i32>, ImmLeaf<i32, [{ return Imm == 32; }]> {
629 let ParserMatchClass = Imm32AsmOperand;
632 /// imm1_7 predicate - Immediate in the range [1,7].
633 def Imm1_7AsmOperand: ImmAsmOperand { let Name = "Imm1_7"; }
634 def imm1_7 : Operand<i32>, ImmLeaf<i32, [{ return Imm > 0 && Imm < 8; }]> {
635 let ParserMatchClass = Imm1_7AsmOperand;
638 /// imm1_15 predicate - Immediate in the range [1,15].
639 def Imm1_15AsmOperand: ImmAsmOperand { let Name = "Imm1_15"; }
640 def imm1_15 : Operand<i32>, ImmLeaf<i32, [{ return Imm > 0 && Imm < 16; }]> {
641 let ParserMatchClass = Imm1_15AsmOperand;
644 /// imm1_31 predicate - Immediate in the range [1,31].
645 def Imm1_31AsmOperand: ImmAsmOperand { let Name = "Imm1_31"; }
646 def imm1_31 : Operand<i32>, ImmLeaf<i32, [{ return Imm > 0 && Imm < 32; }]> {
647 let ParserMatchClass = Imm1_31AsmOperand;
650 /// imm0_15 predicate - Immediate in the range [0,15].
651 def Imm0_15AsmOperand: ImmAsmOperand {
652 let Name = "Imm0_15";
653 let DiagnosticType = "ImmRange0_15";
655 def imm0_15 : Operand<i32>, ImmLeaf<i32, [{
656 return Imm >= 0 && Imm < 16;
658 let ParserMatchClass = Imm0_15AsmOperand;
661 /// imm0_31 predicate - True if the 32-bit immediate is in the range [0,31].
662 def Imm0_31AsmOperand: ImmAsmOperand { let Name = "Imm0_31"; }
663 def imm0_31 : Operand<i32>, ImmLeaf<i32, [{
664 return Imm >= 0 && Imm < 32;
666 let ParserMatchClass = Imm0_31AsmOperand;
669 /// imm0_32 predicate - True if the 32-bit immediate is in the range [0,32].
670 def Imm0_32AsmOperand: ImmAsmOperand { let Name = "Imm0_32"; }
671 def imm0_32 : Operand<i32>, ImmLeaf<i32, [{
672 return Imm >= 0 && Imm < 32;
674 let ParserMatchClass = Imm0_32AsmOperand;
677 /// imm0_63 predicate - True if the 32-bit immediate is in the range [0,63].
678 def Imm0_63AsmOperand: ImmAsmOperand { let Name = "Imm0_63"; }
679 def imm0_63 : Operand<i32>, ImmLeaf<i32, [{
680 return Imm >= 0 && Imm < 64;
682 let ParserMatchClass = Imm0_63AsmOperand;
685 /// imm0_239 predicate - Immediate in the range [0,239].
686 def Imm0_239AsmOperand : ImmAsmOperand {
687 let Name = "Imm0_239";
688 let DiagnosticType = "ImmRange0_239";
690 def imm0_239 : Operand<i32>, ImmLeaf<i32, [{ return Imm >= 0 && Imm < 240; }]> {
691 let ParserMatchClass = Imm0_239AsmOperand;
694 /// imm0_255 predicate - Immediate in the range [0,255].
695 def Imm0_255AsmOperand : ImmAsmOperand { let Name = "Imm0_255"; }
696 def imm0_255 : Operand<i32>, ImmLeaf<i32, [{ return Imm >= 0 && Imm < 256; }]> {
697 let ParserMatchClass = Imm0_255AsmOperand;
700 /// imm0_65535 - An immediate is in the range [0.65535].
701 def Imm0_65535AsmOperand: ImmAsmOperand { let Name = "Imm0_65535"; }
702 def imm0_65535 : Operand<i32>, ImmLeaf<i32, [{
703 return Imm >= 0 && Imm < 65536;
705 let ParserMatchClass = Imm0_65535AsmOperand;
708 // imm0_65535_neg - An immediate whose negative value is in the range [0.65535].
709 def imm0_65535_neg : Operand<i32>, ImmLeaf<i32, [{
710 return -Imm >= 0 && -Imm < 65536;
713 // imm0_65535_expr - For movt/movw - 16-bit immediate that can also reference
714 // a relocatable expression.
716 // FIXME: This really needs a Thumb version separate from the ARM version.
717 // While the range is the same, and can thus use the same match class,
718 // the encoding is different so it should have a different encoder method.
719 def Imm0_65535ExprAsmOperand: ImmAsmOperand { let Name = "Imm0_65535Expr"; }
720 def imm0_65535_expr : Operand<i32> {
721 let EncoderMethod = "getHiLo16ImmOpValue";
722 let ParserMatchClass = Imm0_65535ExprAsmOperand;
725 def Imm256_65535ExprAsmOperand: ImmAsmOperand { let Name = "Imm256_65535Expr"; }
726 def imm256_65535_expr : Operand<i32> {
727 let ParserMatchClass = Imm256_65535ExprAsmOperand;
730 /// imm24b - True if the 32-bit immediate is encodable in 24 bits.
731 def Imm24bitAsmOperand: ImmAsmOperand { let Name = "Imm24bit"; }
732 def imm24b : Operand<i32>, ImmLeaf<i32, [{
733 return Imm >= 0 && Imm <= 0xffffff;
735 let ParserMatchClass = Imm24bitAsmOperand;
739 /// bf_inv_mask_imm predicate - An AND mask to clear an arbitrary width bitfield
741 def BitfieldAsmOperand : AsmOperandClass {
742 let Name = "Bitfield";
743 let ParserMethod = "parseBitfield";
746 def bf_inv_mask_imm : Operand<i32>,
748 return ARM::isBitFieldInvertedMask(N->getZExtValue());
750 let EncoderMethod = "getBitfieldInvertedMaskOpValue";
751 let PrintMethod = "printBitfieldInvMaskImmOperand";
752 let DecoderMethod = "DecodeBitfieldMaskOperand";
753 let ParserMatchClass = BitfieldAsmOperand;
756 def imm1_32_XFORM: SDNodeXForm<imm, [{
757 return CurDAG->getTargetConstant((int)N->getZExtValue() - 1, MVT::i32);
759 def Imm1_32AsmOperand: AsmOperandClass { let Name = "Imm1_32"; }
760 def imm1_32 : Operand<i32>, PatLeaf<(imm), [{
761 uint64_t Imm = N->getZExtValue();
762 return Imm > 0 && Imm <= 32;
765 let PrintMethod = "printImmPlusOneOperand";
766 let ParserMatchClass = Imm1_32AsmOperand;
769 def imm1_16_XFORM: SDNodeXForm<imm, [{
770 return CurDAG->getTargetConstant((int)N->getZExtValue() - 1, MVT::i32);
772 def Imm1_16AsmOperand: AsmOperandClass { let Name = "Imm1_16"; }
773 def imm1_16 : Operand<i32>, PatLeaf<(imm), [{ return Imm > 0 && Imm <= 16; }],
775 let PrintMethod = "printImmPlusOneOperand";
776 let ParserMatchClass = Imm1_16AsmOperand;
779 // Define ARM specific addressing modes.
780 // addrmode_imm12 := reg +/- imm12
782 def MemImm12OffsetAsmOperand : AsmOperandClass { let Name = "MemImm12Offset"; }
783 class AddrMode_Imm12 : Operand<i32>,
784 ComplexPattern<i32, 2, "SelectAddrModeImm12", []> {
785 // 12-bit immediate operand. Note that instructions using this encode
786 // #0 and #-0 differently. We flag #-0 as the magic value INT32_MIN. All other
787 // immediate values are as normal.
789 let EncoderMethod = "getAddrModeImm12OpValue";
790 let DecoderMethod = "DecodeAddrModeImm12Operand";
791 let ParserMatchClass = MemImm12OffsetAsmOperand;
792 let MIOperandInfo = (ops GPR:$base, i32imm:$offsimm);
795 def addrmode_imm12 : AddrMode_Imm12 {
796 let PrintMethod = "printAddrModeImm12Operand<false>";
799 def addrmode_imm12_pre : AddrMode_Imm12 {
800 let PrintMethod = "printAddrModeImm12Operand<true>";
803 // ldst_so_reg := reg +/- reg shop imm
805 def MemRegOffsetAsmOperand : AsmOperandClass { let Name = "MemRegOffset"; }
806 def ldst_so_reg : Operand<i32>,
807 ComplexPattern<i32, 3, "SelectLdStSOReg", []> {
808 let EncoderMethod = "getLdStSORegOpValue";
809 // FIXME: Simplify the printer
810 let PrintMethod = "printAddrMode2Operand";
811 let DecoderMethod = "DecodeSORegMemOperand";
812 let ParserMatchClass = MemRegOffsetAsmOperand;
813 let MIOperandInfo = (ops GPR:$base, GPRnopc:$offsreg, i32imm:$shift);
816 // postidx_imm8 := +/- [0,255]
819 // {8} 1 is imm8 is non-negative. 0 otherwise.
820 // {7-0} [0,255] imm8 value.
821 def PostIdxImm8AsmOperand : AsmOperandClass { let Name = "PostIdxImm8"; }
822 def postidx_imm8 : Operand<i32> {
823 let PrintMethod = "printPostIdxImm8Operand";
824 let ParserMatchClass = PostIdxImm8AsmOperand;
825 let MIOperandInfo = (ops i32imm);
828 // postidx_imm8s4 := +/- [0,1020]
831 // {8} 1 is imm8 is non-negative. 0 otherwise.
832 // {7-0} [0,255] imm8 value, scaled by 4.
833 def PostIdxImm8s4AsmOperand : AsmOperandClass { let Name = "PostIdxImm8s4"; }
834 def postidx_imm8s4 : Operand<i32> {
835 let PrintMethod = "printPostIdxImm8s4Operand";
836 let ParserMatchClass = PostIdxImm8s4AsmOperand;
837 let MIOperandInfo = (ops i32imm);
841 // postidx_reg := +/- reg
843 def PostIdxRegAsmOperand : AsmOperandClass {
844 let Name = "PostIdxReg";
845 let ParserMethod = "parsePostIdxReg";
847 def postidx_reg : Operand<i32> {
848 let EncoderMethod = "getPostIdxRegOpValue";
849 let DecoderMethod = "DecodePostIdxReg";
850 let PrintMethod = "printPostIdxRegOperand";
851 let ParserMatchClass = PostIdxRegAsmOperand;
852 let MIOperandInfo = (ops GPRnopc, i32imm);
856 // addrmode2 := reg +/- imm12
857 // := reg +/- reg shop imm
859 // FIXME: addrmode2 should be refactored the rest of the way to always
860 // use explicit imm vs. reg versions above (addrmode_imm12 and ldst_so_reg).
861 def AddrMode2AsmOperand : AsmOperandClass { let Name = "AddrMode2"; }
862 def addrmode2 : Operand<i32>,
863 ComplexPattern<i32, 3, "SelectAddrMode2", []> {
864 let EncoderMethod = "getAddrMode2OpValue";
865 let PrintMethod = "printAddrMode2Operand";
866 let ParserMatchClass = AddrMode2AsmOperand;
867 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
870 def PostIdxRegShiftedAsmOperand : AsmOperandClass {
871 let Name = "PostIdxRegShifted";
872 let ParserMethod = "parsePostIdxReg";
874 def am2offset_reg : Operand<i32>,
875 ComplexPattern<i32, 2, "SelectAddrMode2OffsetReg",
876 [], [SDNPWantRoot]> {
877 let EncoderMethod = "getAddrMode2OffsetOpValue";
878 let PrintMethod = "printAddrMode2OffsetOperand";
879 // When using this for assembly, it's always as a post-index offset.
880 let ParserMatchClass = PostIdxRegShiftedAsmOperand;
881 let MIOperandInfo = (ops GPRnopc, i32imm);
884 // FIXME: am2offset_imm should only need the immediate, not the GPR. Having
885 // the GPR is purely vestigal at this point.
886 def AM2OffsetImmAsmOperand : AsmOperandClass { let Name = "AM2OffsetImm"; }
887 def am2offset_imm : Operand<i32>,
888 ComplexPattern<i32, 2, "SelectAddrMode2OffsetImm",
889 [], [SDNPWantRoot]> {
890 let EncoderMethod = "getAddrMode2OffsetOpValue";
891 let PrintMethod = "printAddrMode2OffsetOperand";
892 let ParserMatchClass = AM2OffsetImmAsmOperand;
893 let MIOperandInfo = (ops GPRnopc, i32imm);
897 // addrmode3 := reg +/- reg
898 // addrmode3 := reg +/- imm8
900 // FIXME: split into imm vs. reg versions.
901 def AddrMode3AsmOperand : AsmOperandClass { let Name = "AddrMode3"; }
902 class AddrMode3 : Operand<i32>,
903 ComplexPattern<i32, 3, "SelectAddrMode3", []> {
904 let EncoderMethod = "getAddrMode3OpValue";
905 let ParserMatchClass = AddrMode3AsmOperand;
906 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
909 def addrmode3 : AddrMode3
911 let PrintMethod = "printAddrMode3Operand<false>";
914 def addrmode3_pre : AddrMode3
916 let PrintMethod = "printAddrMode3Operand<true>";
919 // FIXME: split into imm vs. reg versions.
920 // FIXME: parser method to handle +/- register.
921 def AM3OffsetAsmOperand : AsmOperandClass {
922 let Name = "AM3Offset";
923 let ParserMethod = "parseAM3Offset";
925 def am3offset : Operand<i32>,
926 ComplexPattern<i32, 2, "SelectAddrMode3Offset",
927 [], [SDNPWantRoot]> {
928 let EncoderMethod = "getAddrMode3OffsetOpValue";
929 let PrintMethod = "printAddrMode3OffsetOperand";
930 let ParserMatchClass = AM3OffsetAsmOperand;
931 let MIOperandInfo = (ops GPR, i32imm);
934 // ldstm_mode := {ia, ib, da, db}
936 def ldstm_mode : OptionalDefOperand<OtherVT, (ops i32), (ops (i32 1))> {
937 let EncoderMethod = "getLdStmModeOpValue";
938 let PrintMethod = "printLdStmModeOperand";
941 // addrmode5 := reg +/- imm8*4
943 def AddrMode5AsmOperand : AsmOperandClass { let Name = "AddrMode5"; }
944 class AddrMode5 : Operand<i32>,
945 ComplexPattern<i32, 2, "SelectAddrMode5", []> {
946 let EncoderMethod = "getAddrMode5OpValue";
947 let DecoderMethod = "DecodeAddrMode5Operand";
948 let ParserMatchClass = AddrMode5AsmOperand;
949 let MIOperandInfo = (ops GPR:$base, i32imm);
952 def addrmode5 : AddrMode5 {
953 let PrintMethod = "printAddrMode5Operand<false>";
956 def addrmode5_pre : AddrMode5 {
957 let PrintMethod = "printAddrMode5Operand<true>";
960 // addrmode6 := reg with optional alignment
962 def AddrMode6AsmOperand : AsmOperandClass { let Name = "AlignedMemory"; }
963 def addrmode6 : Operand<i32>,
964 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
965 let PrintMethod = "printAddrMode6Operand";
966 let MIOperandInfo = (ops GPR:$addr, i32imm:$align);
967 let EncoderMethod = "getAddrMode6AddressOpValue";
968 let DecoderMethod = "DecodeAddrMode6Operand";
969 let ParserMatchClass = AddrMode6AsmOperand;
972 def am6offset : Operand<i32>,
973 ComplexPattern<i32, 1, "SelectAddrMode6Offset",
974 [], [SDNPWantRoot]> {
975 let PrintMethod = "printAddrMode6OffsetOperand";
976 let MIOperandInfo = (ops GPR);
977 let EncoderMethod = "getAddrMode6OffsetOpValue";
978 let DecoderMethod = "DecodeGPRRegisterClass";
981 // Special version of addrmode6 to handle alignment encoding for VST1/VLD1
982 // (single element from one lane) for size 32.
983 def addrmode6oneL32 : Operand<i32>,
984 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
985 let PrintMethod = "printAddrMode6Operand";
986 let MIOperandInfo = (ops GPR:$addr, i32imm);
987 let EncoderMethod = "getAddrMode6OneLane32AddressOpValue";
990 // Special version of addrmode6 to handle alignment encoding for VLD-dup
991 // instructions, specifically VLD4-dup.
992 def addrmode6dup : Operand<i32>,
993 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
994 let PrintMethod = "printAddrMode6Operand";
995 let MIOperandInfo = (ops GPR:$addr, i32imm);
996 let EncoderMethod = "getAddrMode6DupAddressOpValue";
997 // FIXME: This is close, but not quite right. The alignment specifier is
999 let ParserMatchClass = AddrMode6AsmOperand;
1002 // addrmodepc := pc + reg
1004 def addrmodepc : Operand<i32>,
1005 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
1006 let PrintMethod = "printAddrModePCOperand";
1007 let MIOperandInfo = (ops GPR, i32imm);
1010 // addr_offset_none := reg
1012 def MemNoOffsetAsmOperand : AsmOperandClass { let Name = "MemNoOffset"; }
1013 def addr_offset_none : Operand<i32>,
1014 ComplexPattern<i32, 1, "SelectAddrOffsetNone", []> {
1015 let PrintMethod = "printAddrMode7Operand";
1016 let DecoderMethod = "DecodeAddrMode7Operand";
1017 let ParserMatchClass = MemNoOffsetAsmOperand;
1018 let MIOperandInfo = (ops GPR:$base);
1021 def nohash_imm : Operand<i32> {
1022 let PrintMethod = "printNoHashImmediate";
1025 def CoprocNumAsmOperand : AsmOperandClass {
1026 let Name = "CoprocNum";
1027 let ParserMethod = "parseCoprocNumOperand";
1029 def p_imm : Operand<i32> {
1030 let PrintMethod = "printPImmediate";
1031 let ParserMatchClass = CoprocNumAsmOperand;
1032 let DecoderMethod = "DecodeCoprocessor";
1035 def CoprocRegAsmOperand : AsmOperandClass {
1036 let Name = "CoprocReg";
1037 let ParserMethod = "parseCoprocRegOperand";
1039 def c_imm : Operand<i32> {
1040 let PrintMethod = "printCImmediate";
1041 let ParserMatchClass = CoprocRegAsmOperand;
1043 def CoprocOptionAsmOperand : AsmOperandClass {
1044 let Name = "CoprocOption";
1045 let ParserMethod = "parseCoprocOptionOperand";
1047 def coproc_option_imm : Operand<i32> {
1048 let PrintMethod = "printCoprocOptionImm";
1049 let ParserMatchClass = CoprocOptionAsmOperand;
1052 //===----------------------------------------------------------------------===//
1054 include "ARMInstrFormats.td"
1056 //===----------------------------------------------------------------------===//
1057 // Multiclass helpers...
1060 /// AsI1_bin_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns for a
1061 /// binop that produces a value.
1062 let TwoOperandAliasConstraint = "$Rn = $Rd" in
1063 multiclass AsI1_bin_irs<bits<4> opcod, string opc,
1064 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
1065 PatFrag opnode, bit Commutable = 0> {
1066 // The register-immediate version is re-materializable. This is useful
1067 // in particular for taking the address of a local.
1068 let isReMaterializable = 1 in {
1069 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
1070 iii, opc, "\t$Rd, $Rn, $imm",
1071 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>,
1072 Sched<[WriteALU, ReadALU]> {
1077 let Inst{19-16} = Rn;
1078 let Inst{15-12} = Rd;
1079 let Inst{11-0} = imm;
1082 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
1083 iir, opc, "\t$Rd, $Rn, $Rm",
1084 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
1085 Sched<[WriteALU, ReadALU, ReadALU]> {
1090 let isCommutable = Commutable;
1091 let Inst{19-16} = Rn;
1092 let Inst{15-12} = Rd;
1093 let Inst{11-4} = 0b00000000;
1097 def rsi : AsI1<opcod, (outs GPR:$Rd),
1098 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm,
1099 iis, opc, "\t$Rd, $Rn, $shift",
1100 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_imm:$shift))]>,
1101 Sched<[WriteALUsi, ReadALU]> {
1106 let Inst{19-16} = Rn;
1107 let Inst{15-12} = Rd;
1108 let Inst{11-5} = shift{11-5};
1110 let Inst{3-0} = shift{3-0};
1113 def rsr : AsI1<opcod, (outs GPR:$Rd),
1114 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm,
1115 iis, opc, "\t$Rd, $Rn, $shift",
1116 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_reg:$shift))]>,
1117 Sched<[WriteALUsr, ReadALUsr]> {
1122 let Inst{19-16} = Rn;
1123 let Inst{15-12} = Rd;
1124 let Inst{11-8} = shift{11-8};
1126 let Inst{6-5} = shift{6-5};
1128 let Inst{3-0} = shift{3-0};
1132 /// AsI1_rbin_irs - Same as AsI1_bin_irs except the order of operands are
1133 /// reversed. The 'rr' form is only defined for the disassembler; for codegen
1134 /// it is equivalent to the AsI1_bin_irs counterpart.
1135 let TwoOperandAliasConstraint = "$Rn = $Rd" in
1136 multiclass AsI1_rbin_irs<bits<4> opcod, string opc,
1137 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
1138 PatFrag opnode, bit Commutable = 0> {
1139 // The register-immediate version is re-materializable. This is useful
1140 // in particular for taking the address of a local.
1141 let isReMaterializable = 1 in {
1142 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
1143 iii, opc, "\t$Rd, $Rn, $imm",
1144 [(set GPR:$Rd, (opnode so_imm:$imm, GPR:$Rn))]>,
1145 Sched<[WriteALU, ReadALU]> {
1150 let Inst{19-16} = Rn;
1151 let Inst{15-12} = Rd;
1152 let Inst{11-0} = imm;
1155 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
1156 iir, opc, "\t$Rd, $Rn, $Rm",
1157 [/* pattern left blank */]>,
1158 Sched<[WriteALU, ReadALU, ReadALU]> {
1162 let Inst{11-4} = 0b00000000;
1165 let Inst{15-12} = Rd;
1166 let Inst{19-16} = Rn;
1169 def rsi : AsI1<opcod, (outs GPR:$Rd),
1170 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm,
1171 iis, opc, "\t$Rd, $Rn, $shift",
1172 [(set GPR:$Rd, (opnode so_reg_imm:$shift, GPR:$Rn))]>,
1173 Sched<[WriteALUsi, ReadALU]> {
1178 let Inst{19-16} = Rn;
1179 let Inst{15-12} = Rd;
1180 let Inst{11-5} = shift{11-5};
1182 let Inst{3-0} = shift{3-0};
1185 def rsr : AsI1<opcod, (outs GPR:$Rd),
1186 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm,
1187 iis, opc, "\t$Rd, $Rn, $shift",
1188 [(set GPR:$Rd, (opnode so_reg_reg:$shift, GPR:$Rn))]>,
1189 Sched<[WriteALUsr, ReadALUsr]> {
1194 let Inst{19-16} = Rn;
1195 let Inst{15-12} = Rd;
1196 let Inst{11-8} = shift{11-8};
1198 let Inst{6-5} = shift{6-5};
1200 let Inst{3-0} = shift{3-0};
1204 /// AsI1_bin_s_irs - Same as AsI1_bin_irs except it sets the 's' bit by default.
1206 /// These opcodes will be converted to the real non-S opcodes by
1207 /// AdjustInstrPostInstrSelection after giving them an optional CPSR operand.
1208 let hasPostISelHook = 1, Defs = [CPSR] in {
1209 multiclass AsI1_bin_s_irs<InstrItinClass iii, InstrItinClass iir,
1210 InstrItinClass iis, PatFrag opnode,
1211 bit Commutable = 0> {
1212 def ri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm, pred:$p),
1214 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, so_imm:$imm))]>,
1215 Sched<[WriteALU, ReadALU]>;
1217 def rr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, pred:$p),
1219 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, GPR:$Rm))]>,
1220 Sched<[WriteALU, ReadALU, ReadALU]> {
1221 let isCommutable = Commutable;
1223 def rsi : ARMPseudoInst<(outs GPR:$Rd),
1224 (ins GPR:$Rn, so_reg_imm:$shift, pred:$p),
1226 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn,
1227 so_reg_imm:$shift))]>,
1228 Sched<[WriteALUsi, ReadALU]>;
1230 def rsr : ARMPseudoInst<(outs GPR:$Rd),
1231 (ins GPR:$Rn, so_reg_reg:$shift, pred:$p),
1233 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn,
1234 so_reg_reg:$shift))]>,
1235 Sched<[WriteALUSsr, ReadALUsr]>;
1239 /// AsI1_rbin_s_is - Same as AsI1_bin_s_irs, except selection DAG
1240 /// operands are reversed.
1241 let hasPostISelHook = 1, Defs = [CPSR] in {
1242 multiclass AsI1_rbin_s_is<InstrItinClass iii, InstrItinClass iir,
1243 InstrItinClass iis, PatFrag opnode,
1244 bit Commutable = 0> {
1245 def ri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm, pred:$p),
1247 [(set GPR:$Rd, CPSR, (opnode so_imm:$imm, GPR:$Rn))]>,
1248 Sched<[WriteALU, ReadALU]>;
1250 def rsi : ARMPseudoInst<(outs GPR:$Rd),
1251 (ins GPR:$Rn, so_reg_imm:$shift, pred:$p),
1253 [(set GPR:$Rd, CPSR, (opnode so_reg_imm:$shift,
1255 Sched<[WriteALUsi, ReadALU]>;
1257 def rsr : ARMPseudoInst<(outs GPR:$Rd),
1258 (ins GPR:$Rn, so_reg_reg:$shift, pred:$p),
1260 [(set GPR:$Rd, CPSR, (opnode so_reg_reg:$shift,
1262 Sched<[WriteALUSsr, ReadALUsr]>;
1266 /// AI1_cmp_irs - Defines a set of (op r, {so_imm|r|so_reg}) cmp / test
1267 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
1268 /// a explicit result, only implicitly set CPSR.
1269 let isCompare = 1, Defs = [CPSR] in {
1270 multiclass AI1_cmp_irs<bits<4> opcod, string opc,
1271 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
1272 PatFrag opnode, bit Commutable = 0> {
1273 def ri : AI1<opcod, (outs), (ins GPR:$Rn, so_imm:$imm), DPFrm, iii,
1275 [(opnode GPR:$Rn, so_imm:$imm)]>,
1276 Sched<[WriteCMP, ReadALU]> {
1281 let Inst{19-16} = Rn;
1282 let Inst{15-12} = 0b0000;
1283 let Inst{11-0} = imm;
1285 let Unpredictable{15-12} = 0b1111;
1287 def rr : AI1<opcod, (outs), (ins GPR:$Rn, GPR:$Rm), DPFrm, iir,
1289 [(opnode GPR:$Rn, GPR:$Rm)]>,
1290 Sched<[WriteCMP, ReadALU, ReadALU]> {
1293 let isCommutable = Commutable;
1296 let Inst{19-16} = Rn;
1297 let Inst{15-12} = 0b0000;
1298 let Inst{11-4} = 0b00000000;
1301 let Unpredictable{15-12} = 0b1111;
1303 def rsi : AI1<opcod, (outs),
1304 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm, iis,
1305 opc, "\t$Rn, $shift",
1306 [(opnode GPR:$Rn, so_reg_imm:$shift)]>,
1307 Sched<[WriteCMPsi, ReadALU]> {
1312 let Inst{19-16} = Rn;
1313 let Inst{15-12} = 0b0000;
1314 let Inst{11-5} = shift{11-5};
1316 let Inst{3-0} = shift{3-0};
1318 let Unpredictable{15-12} = 0b1111;
1320 def rsr : AI1<opcod, (outs),
1321 (ins GPRnopc:$Rn, so_reg_reg:$shift), DPSoRegRegFrm, iis,
1322 opc, "\t$Rn, $shift",
1323 [(opnode GPRnopc:$Rn, so_reg_reg:$shift)]>,
1324 Sched<[WriteCMPsr, ReadALU]> {
1329 let Inst{19-16} = Rn;
1330 let Inst{15-12} = 0b0000;
1331 let Inst{11-8} = shift{11-8};
1333 let Inst{6-5} = shift{6-5};
1335 let Inst{3-0} = shift{3-0};
1337 let Unpredictable{15-12} = 0b1111;
1343 /// AI_ext_rrot - A unary operation with two forms: one whose operand is a
1344 /// register and one whose operand is a register rotated by 8/16/24.
1345 /// FIXME: Remove the 'r' variant. Its rot_imm is zero.
1346 class AI_ext_rrot<bits<8> opcod, string opc, PatFrag opnode>
1347 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPRnopc:$Rm, rot_imm:$rot),
1348 IIC_iEXTr, opc, "\t$Rd, $Rm$rot",
1349 [(set GPRnopc:$Rd, (opnode (rotr GPRnopc:$Rm, rot_imm:$rot)))]>,
1350 Requires<[IsARM, HasV6]>, Sched<[WriteALUsi]> {
1354 let Inst{19-16} = 0b1111;
1355 let Inst{15-12} = Rd;
1356 let Inst{11-10} = rot;
1360 class AI_ext_rrot_np<bits<8> opcod, string opc>
1361 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPRnopc:$Rm, rot_imm:$rot),
1362 IIC_iEXTr, opc, "\t$Rd, $Rm$rot", []>,
1363 Requires<[IsARM, HasV6]>, Sched<[WriteALUsi]> {
1365 let Inst{19-16} = 0b1111;
1366 let Inst{11-10} = rot;
1369 /// AI_exta_rrot - A binary operation with two forms: one whose operand is a
1370 /// register and one whose operand is a register rotated by 8/16/24.
1371 class AI_exta_rrot<bits<8> opcod, string opc, PatFrag opnode>
1372 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPR:$Rn, GPRnopc:$Rm, rot_imm:$rot),
1373 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm$rot",
1374 [(set GPRnopc:$Rd, (opnode GPR:$Rn,
1375 (rotr GPRnopc:$Rm, rot_imm:$rot)))]>,
1376 Requires<[IsARM, HasV6]>, Sched<[WriteALUsr]> {
1381 let Inst{19-16} = Rn;
1382 let Inst{15-12} = Rd;
1383 let Inst{11-10} = rot;
1384 let Inst{9-4} = 0b000111;
1388 class AI_exta_rrot_np<bits<8> opcod, string opc>
1389 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPR:$Rn, GPRnopc:$Rm, rot_imm:$rot),
1390 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm$rot", []>,
1391 Requires<[IsARM, HasV6]>, Sched<[WriteALUsr]> {
1394 let Inst{19-16} = Rn;
1395 let Inst{11-10} = rot;
1398 /// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
1399 let TwoOperandAliasConstraint = "$Rn = $Rd" in
1400 multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode,
1401 bit Commutable = 0> {
1402 let hasPostISelHook = 1, Defs = [CPSR], Uses = [CPSR] in {
1403 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
1404 DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
1405 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, so_imm:$imm, CPSR))]>,
1407 Sched<[WriteALU, ReadALU]> {
1412 let Inst{15-12} = Rd;
1413 let Inst{19-16} = Rn;
1414 let Inst{11-0} = imm;
1416 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
1417 DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
1418 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, GPR:$Rm, CPSR))]>,
1420 Sched<[WriteALU, ReadALU, ReadALU]> {
1424 let Inst{11-4} = 0b00000000;
1426 let isCommutable = Commutable;
1428 let Inst{15-12} = Rd;
1429 let Inst{19-16} = Rn;
1431 def rsi : AsI1<opcod, (outs GPR:$Rd),
1432 (ins GPR:$Rn, so_reg_imm:$shift),
1433 DPSoRegImmFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1434 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, so_reg_imm:$shift, CPSR))]>,
1436 Sched<[WriteALUsi, ReadALU]> {
1441 let Inst{19-16} = Rn;
1442 let Inst{15-12} = Rd;
1443 let Inst{11-5} = shift{11-5};
1445 let Inst{3-0} = shift{3-0};
1447 def rsr : AsI1<opcod, (outs GPRnopc:$Rd),
1448 (ins GPRnopc:$Rn, so_reg_reg:$shift),
1449 DPSoRegRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1450 [(set GPRnopc:$Rd, CPSR,
1451 (opnode GPRnopc:$Rn, so_reg_reg:$shift, CPSR))]>,
1453 Sched<[WriteALUsr, ReadALUsr]> {
1458 let Inst{19-16} = Rn;
1459 let Inst{15-12} = Rd;
1460 let Inst{11-8} = shift{11-8};
1462 let Inst{6-5} = shift{6-5};
1464 let Inst{3-0} = shift{3-0};
1469 /// AI1_rsc_irs - Define instructions and patterns for rsc
1470 let TwoOperandAliasConstraint = "$Rn = $Rd" in
1471 multiclass AI1_rsc_irs<bits<4> opcod, string opc, PatFrag opnode> {
1472 let hasPostISelHook = 1, Defs = [CPSR], Uses = [CPSR] in {
1473 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
1474 DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
1475 [(set GPR:$Rd, CPSR, (opnode so_imm:$imm, GPR:$Rn, CPSR))]>,
1477 Sched<[WriteALU, ReadALU]> {
1482 let Inst{15-12} = Rd;
1483 let Inst{19-16} = Rn;
1484 let Inst{11-0} = imm;
1486 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
1487 DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
1488 [/* pattern left blank */]>,
1489 Sched<[WriteALU, ReadALU, ReadALU]> {
1493 let Inst{11-4} = 0b00000000;
1496 let Inst{15-12} = Rd;
1497 let Inst{19-16} = Rn;
1499 def rsi : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_imm:$shift),
1500 DPSoRegImmFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1501 [(set GPR:$Rd, CPSR, (opnode so_reg_imm:$shift, GPR:$Rn, CPSR))]>,
1503 Sched<[WriteALUsi, ReadALU]> {
1508 let Inst{19-16} = Rn;
1509 let Inst{15-12} = Rd;
1510 let Inst{11-5} = shift{11-5};
1512 let Inst{3-0} = shift{3-0};
1514 def rsr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_reg:$shift),
1515 DPSoRegRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1516 [(set GPR:$Rd, CPSR, (opnode so_reg_reg:$shift, GPR:$Rn, CPSR))]>,
1518 Sched<[WriteALUsr, ReadALUsr]> {
1523 let Inst{19-16} = Rn;
1524 let Inst{15-12} = Rd;
1525 let Inst{11-8} = shift{11-8};
1527 let Inst{6-5} = shift{6-5};
1529 let Inst{3-0} = shift{3-0};
1534 let canFoldAsLoad = 1, isReMaterializable = 1 in {
1535 multiclass AI_ldr1<bit isByte, string opc, InstrItinClass iii,
1536 InstrItinClass iir, PatFrag opnode> {
1537 // Note: We use the complex addrmode_imm12 rather than just an input
1538 // GPR and a constrained immediate so that we can use this to match
1539 // frame index references and avoid matching constant pool references.
1540 def i12: AI2ldst<0b010, 1, isByte, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
1541 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
1542 [(set GPR:$Rt, (opnode addrmode_imm12:$addr))]> {
1545 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1546 let Inst{19-16} = addr{16-13}; // Rn
1547 let Inst{15-12} = Rt;
1548 let Inst{11-0} = addr{11-0}; // imm12
1550 def rs : AI2ldst<0b011, 1, isByte, (outs GPR:$Rt), (ins ldst_so_reg:$shift),
1551 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
1552 [(set GPR:$Rt, (opnode ldst_so_reg:$shift))]> {
1555 let shift{4} = 0; // Inst{4} = 0
1556 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1557 let Inst{19-16} = shift{16-13}; // Rn
1558 let Inst{15-12} = Rt;
1559 let Inst{11-0} = shift{11-0};
1564 let canFoldAsLoad = 1, isReMaterializable = 1 in {
1565 multiclass AI_ldr1nopc<bit isByte, string opc, InstrItinClass iii,
1566 InstrItinClass iir, PatFrag opnode> {
1567 // Note: We use the complex addrmode_imm12 rather than just an input
1568 // GPR and a constrained immediate so that we can use this to match
1569 // frame index references and avoid matching constant pool references.
1570 def i12: AI2ldst<0b010, 1, isByte, (outs GPRnopc:$Rt),
1571 (ins addrmode_imm12:$addr),
1572 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
1573 [(set GPRnopc:$Rt, (opnode addrmode_imm12:$addr))]> {
1576 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1577 let Inst{19-16} = addr{16-13}; // Rn
1578 let Inst{15-12} = Rt;
1579 let Inst{11-0} = addr{11-0}; // imm12
1581 def rs : AI2ldst<0b011, 1, isByte, (outs GPRnopc:$Rt),
1582 (ins ldst_so_reg:$shift),
1583 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
1584 [(set GPRnopc:$Rt, (opnode ldst_so_reg:$shift))]> {
1587 let shift{4} = 0; // Inst{4} = 0
1588 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1589 let Inst{19-16} = shift{16-13}; // Rn
1590 let Inst{15-12} = Rt;
1591 let Inst{11-0} = shift{11-0};
1597 multiclass AI_str1<bit isByte, string opc, InstrItinClass iii,
1598 InstrItinClass iir, PatFrag opnode> {
1599 // Note: We use the complex addrmode_imm12 rather than just an input
1600 // GPR and a constrained immediate so that we can use this to match
1601 // frame index references and avoid matching constant pool references.
1602 def i12 : AI2ldst<0b010, 0, isByte, (outs),
1603 (ins GPR:$Rt, addrmode_imm12:$addr),
1604 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
1605 [(opnode GPR:$Rt, addrmode_imm12:$addr)]> {
1608 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1609 let Inst{19-16} = addr{16-13}; // Rn
1610 let Inst{15-12} = Rt;
1611 let Inst{11-0} = addr{11-0}; // imm12
1613 def rs : AI2ldst<0b011, 0, isByte, (outs), (ins GPR:$Rt, ldst_so_reg:$shift),
1614 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
1615 [(opnode GPR:$Rt, ldst_so_reg:$shift)]> {
1618 let shift{4} = 0; // Inst{4} = 0
1619 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1620 let Inst{19-16} = shift{16-13}; // Rn
1621 let Inst{15-12} = Rt;
1622 let Inst{11-0} = shift{11-0};
1626 multiclass AI_str1nopc<bit isByte, string opc, InstrItinClass iii,
1627 InstrItinClass iir, PatFrag opnode> {
1628 // Note: We use the complex addrmode_imm12 rather than just an input
1629 // GPR and a constrained immediate so that we can use this to match
1630 // frame index references and avoid matching constant pool references.
1631 def i12 : AI2ldst<0b010, 0, isByte, (outs),
1632 (ins GPRnopc:$Rt, addrmode_imm12:$addr),
1633 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
1634 [(opnode GPRnopc:$Rt, addrmode_imm12:$addr)]> {
1637 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1638 let Inst{19-16} = addr{16-13}; // Rn
1639 let Inst{15-12} = Rt;
1640 let Inst{11-0} = addr{11-0}; // imm12
1642 def rs : AI2ldst<0b011, 0, isByte, (outs),
1643 (ins GPRnopc:$Rt, ldst_so_reg:$shift),
1644 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
1645 [(opnode GPRnopc:$Rt, ldst_so_reg:$shift)]> {
1648 let shift{4} = 0; // Inst{4} = 0
1649 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1650 let Inst{19-16} = shift{16-13}; // Rn
1651 let Inst{15-12} = Rt;
1652 let Inst{11-0} = shift{11-0};
1657 //===----------------------------------------------------------------------===//
1659 //===----------------------------------------------------------------------===//
1661 //===----------------------------------------------------------------------===//
1662 // Miscellaneous Instructions.
1665 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
1666 /// the function. The first operand is the ID# for this instruction, the second
1667 /// is the index into the MachineConstantPool that this is, the third is the
1668 /// size in bytes of this constant pool entry.
1669 let neverHasSideEffects = 1, isNotDuplicable = 1 in
1670 def CONSTPOOL_ENTRY :
1671 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
1672 i32imm:$size), NoItinerary, []>;
1674 // FIXME: Marking these as hasSideEffects is necessary to prevent machine DCE
1675 // from removing one half of the matched pairs. That breaks PEI, which assumes
1676 // these will always be in pairs, and asserts if it finds otherwise. Better way?
1677 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
1678 def ADJCALLSTACKUP :
1679 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary,
1680 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
1682 def ADJCALLSTACKDOWN :
1683 PseudoInst<(outs), (ins i32imm:$amt, pred:$p), NoItinerary,
1684 [(ARMcallseq_start timm:$amt)]>;
1687 def HINT : AI<(outs), (ins imm0_239:$imm), MiscFrm, NoItinerary,
1688 "hint", "\t$imm", []>, Requires<[IsARM, HasV6]> {
1690 let Inst{27-8} = 0b00110010000011110000;
1691 let Inst{7-0} = imm;
1694 def : InstAlias<"nop$p", (HINT 0, pred:$p)>, Requires<[IsARM, HasV6T2]>;
1695 def : InstAlias<"yield$p", (HINT 1, pred:$p)>, Requires<[IsARM, HasV6T2]>;
1696 def : InstAlias<"wfe$p", (HINT 2, pred:$p)>, Requires<[IsARM, HasV6T2]>;
1697 def : InstAlias<"wfi$p", (HINT 3, pred:$p)>, Requires<[IsARM, HasV6T2]>;
1698 def : InstAlias<"sev$p", (HINT 4, pred:$p)>, Requires<[IsARM, HasV6T2]>;
1699 def : InstAlias<"sevl$p", (HINT 5, pred:$p)>, Requires<[IsARM, HasV8]>;
1701 def : Pat<(int_arm_sevl), (HINT 5)>;
1703 def SEL : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm, NoItinerary, "sel",
1704 "\t$Rd, $Rn, $Rm", []>, Requires<[IsARM, HasV6]> {
1709 let Inst{15-12} = Rd;
1710 let Inst{19-16} = Rn;
1711 let Inst{27-20} = 0b01101000;
1712 let Inst{7-4} = 0b1011;
1713 let Inst{11-8} = 0b1111;
1714 let Unpredictable{11-8} = 0b1111;
1717 // The 16-bit operand $val can be used by a debugger to store more information
1718 // about the breakpoint.
1719 def BKPT : AInoP<(outs), (ins imm0_65535:$val), MiscFrm, NoItinerary,
1720 "bkpt", "\t$val", []>, Requires<[IsARM]> {
1722 let Inst{3-0} = val{3-0};
1723 let Inst{19-8} = val{15-4};
1724 let Inst{27-20} = 0b00010010;
1725 let Inst{31-28} = 0xe; // AL
1726 let Inst{7-4} = 0b0111;
1728 // default immediate for breakpoint mnemonic
1729 def : InstAlias<"bkpt", (BKPT 0)>, Requires<[IsARM]>;
1731 def HLT : AInoP<(outs), (ins imm0_65535:$val), MiscFrm, NoItinerary,
1732 "hlt", "\t$val", []>, Requires<[IsARM, HasV8]> {
1734 let Inst{3-0} = val{3-0};
1735 let Inst{19-8} = val{15-4};
1736 let Inst{27-20} = 0b00010000;
1737 let Inst{31-28} = 0xe; // AL
1738 let Inst{7-4} = 0b0111;
1741 // Change Processor State
1742 // FIXME: We should use InstAlias to handle the optional operands.
1743 class CPS<dag iops, string asm_ops>
1744 : AXI<(outs), iops, MiscFrm, NoItinerary, !strconcat("cps", asm_ops),
1745 []>, Requires<[IsARM]> {
1751 let Inst{31-28} = 0b1111;
1752 let Inst{27-20} = 0b00010000;
1753 let Inst{19-18} = imod;
1754 let Inst{17} = M; // Enabled if mode is set;
1755 let Inst{16-9} = 0b00000000;
1756 let Inst{8-6} = iflags;
1758 let Inst{4-0} = mode;
1761 let DecoderMethod = "DecodeCPSInstruction" in {
1763 def CPS3p : CPS<(ins imod_op:$imod, iflags_op:$iflags, imm0_31:$mode),
1764 "$imod\t$iflags, $mode">;
1765 let mode = 0, M = 0 in
1766 def CPS2p : CPS<(ins imod_op:$imod, iflags_op:$iflags), "$imod\t$iflags">;
1768 let imod = 0, iflags = 0, M = 1 in
1769 def CPS1p : CPS<(ins imm0_31:$mode), "\t$mode">;
1772 // Preload signals the memory system of possible future data/instruction access.
1773 multiclass APreLoad<bits<1> read, bits<1> data, string opc> {
1775 def i12 : AXI<(outs), (ins addrmode_imm12:$addr), MiscFrm, IIC_Preload,
1776 !strconcat(opc, "\t$addr"),
1777 [(ARMPreload addrmode_imm12:$addr, (i32 read), (i32 data))]>,
1778 Sched<[WritePreLd]> {
1781 let Inst{31-26} = 0b111101;
1782 let Inst{25} = 0; // 0 for immediate form
1783 let Inst{24} = data;
1784 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1785 let Inst{22} = read;
1786 let Inst{21-20} = 0b01;
1787 let Inst{19-16} = addr{16-13}; // Rn
1788 let Inst{15-12} = 0b1111;
1789 let Inst{11-0} = addr{11-0}; // imm12
1792 def rs : AXI<(outs), (ins ldst_so_reg:$shift), MiscFrm, IIC_Preload,
1793 !strconcat(opc, "\t$shift"),
1794 [(ARMPreload ldst_so_reg:$shift, (i32 read), (i32 data))]>,
1795 Sched<[WritePreLd]> {
1797 let Inst{31-26} = 0b111101;
1798 let Inst{25} = 1; // 1 for register form
1799 let Inst{24} = data;
1800 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1801 let Inst{22} = read;
1802 let Inst{21-20} = 0b01;
1803 let Inst{19-16} = shift{16-13}; // Rn
1804 let Inst{15-12} = 0b1111;
1805 let Inst{11-0} = shift{11-0};
1810 defm PLD : APreLoad<1, 1, "pld">, Requires<[IsARM]>;
1811 defm PLDW : APreLoad<0, 1, "pldw">, Requires<[IsARM,HasV7,HasMP]>;
1812 defm PLI : APreLoad<1, 0, "pli">, Requires<[IsARM,HasV7]>;
1814 def SETEND : AXI<(outs), (ins setend_op:$end), MiscFrm, NoItinerary,
1815 "setend\t$end", []>, Requires<[IsARM]>, Deprecated<HasV8Ops> {
1817 let Inst{31-10} = 0b1111000100000001000000;
1822 def DBG : AI<(outs), (ins imm0_15:$opt), MiscFrm, NoItinerary, "dbg", "\t$opt",
1823 []>, Requires<[IsARM, HasV7]> {
1825 let Inst{27-4} = 0b001100100000111100001111;
1826 let Inst{3-0} = opt;
1830 * A5.4 Permanently UNDEFINED instructions.
1832 * For most targets use UDF #65006, for which the OS will generate SIGTRAP.
1833 * Other UDF encodings generate SIGILL.
1835 * NaCl's OS instead chooses an ARM UDF encoding that's also a UDF in Thumb.
1837 * 1110 0111 1111 iiii iiii iiii 1111 iiii
1839 * 1101 1110 iiii iiii
1840 * It uses the following encoding:
1841 * 1110 0111 1111 1110 1101 1110 1111 0000
1842 * - In ARM: UDF #60896;
1843 * - In Thumb: UDF #254 followed by a branch-to-self.
1845 let isBarrier = 1, isTerminator = 1 in
1846 def TRAPNaCl : AXI<(outs), (ins), MiscFrm, NoItinerary,
1848 Requires<[IsARM,UseNaClTrap]> {
1849 let Inst = 0xe7fedef0;
1851 let isBarrier = 1, isTerminator = 1 in
1852 def TRAP : AXI<(outs), (ins), MiscFrm, NoItinerary,
1854 Requires<[IsARM,DontUseNaClTrap]> {
1855 let Inst = 0xe7ffdefe;
1858 // Address computation and loads and stores in PIC mode.
1859 let isNotDuplicable = 1 in {
1860 def PICADD : ARMPseudoInst<(outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
1862 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>,
1863 Sched<[WriteALU, ReadALU]>;
1865 let AddedComplexity = 10 in {
1866 def PICLDR : ARMPseudoInst<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
1868 [(set GPR:$dst, (load addrmodepc:$addr))]>;
1870 def PICLDRH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1872 [(set GPR:$Rt, (zextloadi16 addrmodepc:$addr))]>;
1874 def PICLDRB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1876 [(set GPR:$Rt, (zextloadi8 addrmodepc:$addr))]>;
1878 def PICLDRSH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1880 [(set GPR:$Rt, (sextloadi16 addrmodepc:$addr))]>;
1882 def PICLDRSB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1884 [(set GPR:$Rt, (sextloadi8 addrmodepc:$addr))]>;
1886 let AddedComplexity = 10 in {
1887 def PICSTR : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1888 4, IIC_iStore_r, [(store GPR:$src, addrmodepc:$addr)]>;
1890 def PICSTRH : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1891 4, IIC_iStore_bh_r, [(truncstorei16 GPR:$src,
1892 addrmodepc:$addr)]>;
1894 def PICSTRB : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1895 4, IIC_iStore_bh_r, [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
1897 } // isNotDuplicable = 1
1900 // LEApcrel - Load a pc-relative address into a register without offending the
1902 let neverHasSideEffects = 1, isReMaterializable = 1 in
1903 // The 'adr' mnemonic encodes differently if the label is before or after
1904 // the instruction. The {24-21} opcode bits are set by the fixup, as we don't
1905 // know until then which form of the instruction will be used.
1906 def ADR : AI1<{0,?,?,0}, (outs GPR:$Rd), (ins adrlabel:$label),
1907 MiscFrm, IIC_iALUi, "adr", "\t$Rd, $label", []>,
1908 Sched<[WriteALU, ReadALU]> {
1911 let Inst{27-25} = 0b001;
1913 let Inst{23-22} = label{13-12};
1916 let Inst{19-16} = 0b1111;
1917 let Inst{15-12} = Rd;
1918 let Inst{11-0} = label{11-0};
1921 let hasSideEffects = 1 in {
1922 def LEApcrel : ARMPseudoInst<(outs GPR:$Rd), (ins i32imm:$label, pred:$p),
1923 4, IIC_iALUi, []>, Sched<[WriteALU, ReadALU]>;
1925 def LEApcrelJT : ARMPseudoInst<(outs GPR:$Rd),
1926 (ins i32imm:$label, nohash_imm:$id, pred:$p),
1927 4, IIC_iALUi, []>, Sched<[WriteALU, ReadALU]>;
1930 //===----------------------------------------------------------------------===//
1931 // Control Flow Instructions.
1934 let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
1936 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1937 "bx", "\tlr", [(ARMretflag)]>,
1938 Requires<[IsARM, HasV4T]>, Sched<[WriteBr]> {
1939 let Inst{27-0} = 0b0001001011111111111100011110;
1943 def MOVPCLR : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1944 "mov", "\tpc, lr", [(ARMretflag)]>,
1945 Requires<[IsARM, NoV4T]>, Sched<[WriteBr]> {
1946 let Inst{27-0} = 0b0001101000001111000000001110;
1949 // Exception return: N.b. doesn't set CPSR as far as we're concerned (it sets
1950 // the user-space one).
1951 def SUBS_PC_LR : ARMPseudoInst<(outs), (ins i32imm:$offset, pred:$p),
1953 [(ARMintretflag imm:$offset)]>;
1956 // Indirect branches
1957 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
1959 def BX : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
1960 [(brind GPR:$dst)]>,
1961 Requires<[IsARM, HasV4T]>, Sched<[WriteBr]> {
1963 let Inst{31-4} = 0b1110000100101111111111110001;
1964 let Inst{3-0} = dst;
1967 def BX_pred : AI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br,
1968 "bx", "\t$dst", [/* pattern left blank */]>,
1969 Requires<[IsARM, HasV4T]>, Sched<[WriteBr]> {
1971 let Inst{27-4} = 0b000100101111111111110001;
1972 let Inst{3-0} = dst;
1976 // SP is marked as a use to prevent stack-pointer assignments that appear
1977 // immediately before calls from potentially appearing dead.
1979 // FIXME: Do we really need a non-predicated version? If so, it should
1980 // at least be a pseudo instruction expanding to the predicated version
1981 // at MC lowering time.
1982 Defs = [LR], Uses = [SP] in {
1983 def BL : ABXI<0b1011, (outs), (ins bl_target:$func),
1984 IIC_Br, "bl\t$func",
1985 [(ARMcall tglobaladdr:$func)]>,
1986 Requires<[IsARM]>, Sched<[WriteBrL]> {
1987 let Inst{31-28} = 0b1110;
1989 let Inst{23-0} = func;
1990 let DecoderMethod = "DecodeBranchImmInstruction";
1993 def BL_pred : ABI<0b1011, (outs), (ins bl_target:$func),
1994 IIC_Br, "bl", "\t$func",
1995 [(ARMcall_pred tglobaladdr:$func)]>,
1996 Requires<[IsARM]>, Sched<[WriteBrL]> {
1998 let Inst{23-0} = func;
1999 let DecoderMethod = "DecodeBranchImmInstruction";
2003 def BLX : AXI<(outs), (ins GPR:$func), BrMiscFrm,
2004 IIC_Br, "blx\t$func",
2005 [(ARMcall GPR:$func)]>,
2006 Requires<[IsARM, HasV5T]>, Sched<[WriteBrL]> {
2008 let Inst{31-4} = 0b1110000100101111111111110011;
2009 let Inst{3-0} = func;
2012 def BLX_pred : AI<(outs), (ins GPR:$func), BrMiscFrm,
2013 IIC_Br, "blx", "\t$func",
2014 [(ARMcall_pred GPR:$func)]>,
2015 Requires<[IsARM, HasV5T]>, Sched<[WriteBrL]> {
2017 let Inst{27-4} = 0b000100101111111111110011;
2018 let Inst{3-0} = func;
2022 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
2023 def BX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func),
2024 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
2025 Requires<[IsARM, HasV4T]>, Sched<[WriteBr]>;
2028 def BMOVPCRX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func),
2029 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
2030 Requires<[IsARM, NoV4T]>, Sched<[WriteBr]>;
2032 // mov lr, pc; b if callee is marked noreturn to avoid confusing the
2033 // return stack predictor.
2034 def BMOVPCB_CALL : ARMPseudoInst<(outs), (ins bl_target:$func),
2035 8, IIC_Br, [(ARMcall_nolink tglobaladdr:$func)]>,
2036 Requires<[IsARM]>, Sched<[WriteBr]>;
2039 let isBranch = 1, isTerminator = 1 in {
2040 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
2041 // a two-value operand where a dag node expects two operands. :(
2042 def Bcc : ABI<0b1010, (outs), (ins br_target:$target),
2043 IIC_Br, "b", "\t$target",
2044 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]>,
2047 let Inst{23-0} = target;
2048 let DecoderMethod = "DecodeBranchImmInstruction";
2051 let isBarrier = 1 in {
2052 // B is "predicable" since it's just a Bcc with an 'always' condition.
2053 let isPredicable = 1 in
2054 // FIXME: We shouldn't need this pseudo at all. Just using Bcc directly
2055 // should be sufficient.
2056 // FIXME: Is B really a Barrier? That doesn't seem right.
2057 def B : ARMPseudoExpand<(outs), (ins br_target:$target), 4, IIC_Br,
2058 [(br bb:$target)], (Bcc br_target:$target, (ops 14, zero_reg))>,
2061 let isNotDuplicable = 1, isIndirectBranch = 1 in {
2062 def BR_JTr : ARMPseudoInst<(outs),
2063 (ins GPR:$target, i32imm:$jt, i32imm:$id),
2065 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]>,
2067 // FIXME: This shouldn't use the generic "addrmode2," but rather be split
2068 // into i12 and rs suffixed versions.
2069 def BR_JTm : ARMPseudoInst<(outs),
2070 (ins addrmode2:$target, i32imm:$jt, i32imm:$id),
2072 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
2073 imm:$id)]>, Sched<[WriteBrTbl]>;
2074 def BR_JTadd : ARMPseudoInst<(outs),
2075 (ins GPR:$target, GPR:$idx, i32imm:$jt, i32imm:$id),
2077 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
2078 imm:$id)]>, Sched<[WriteBrTbl]>;
2079 } // isNotDuplicable = 1, isIndirectBranch = 1
2085 def BLXi : AXI<(outs), (ins blx_target:$target), BrMiscFrm, NoItinerary,
2086 "blx\t$target", []>,
2087 Requires<[IsARM, HasV5T]>, Sched<[WriteBrL]> {
2088 let Inst{31-25} = 0b1111101;
2090 let Inst{23-0} = target{24-1};
2091 let Inst{24} = target{0};
2094 // Branch and Exchange Jazelle
2095 def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
2096 [/* pattern left blank */]>, Sched<[WriteBr]> {
2098 let Inst{23-20} = 0b0010;
2099 let Inst{19-8} = 0xfff;
2100 let Inst{7-4} = 0b0010;
2101 let Inst{3-0} = func;
2106 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, Uses = [SP] in {
2107 def TCRETURNdi : PseudoInst<(outs), (ins i32imm:$dst), IIC_Br, []>,
2110 def TCRETURNri : PseudoInst<(outs), (ins tcGPR:$dst), IIC_Br, []>,
2113 def TAILJMPd : ARMPseudoExpand<(outs), (ins br_target:$dst),
2115 (Bcc br_target:$dst, (ops 14, zero_reg))>,
2116 Requires<[IsARM]>, Sched<[WriteBr]>;
2118 def TAILJMPr : ARMPseudoExpand<(outs), (ins tcGPR:$dst),
2120 (BX GPR:$dst)>, Sched<[WriteBr]>,
2124 // Secure Monitor Call is a system instruction.
2125 def SMC : ABI<0b0001, (outs), (ins imm0_15:$opt), NoItinerary, "smc", "\t$opt",
2126 []>, Requires<[IsARM, HasTrustZone]> {
2128 let Inst{23-4} = 0b01100000000000000111;
2129 let Inst{3-0} = opt;
2132 // Supervisor Call (Software Interrupt)
2133 let isCall = 1, Uses = [SP] in {
2134 def SVC : ABI<0b1111, (outs), (ins imm24b:$svc), IIC_Br, "svc", "\t$svc", []>,
2137 let Inst{23-0} = svc;
2141 // Store Return State
2142 class SRSI<bit wb, string asm>
2143 : XI<(outs), (ins imm0_31:$mode), AddrModeNone, 4, IndexModeNone, BrFrm,
2144 NoItinerary, asm, "", []> {
2146 let Inst{31-28} = 0b1111;
2147 let Inst{27-25} = 0b100;
2151 let Inst{19-16} = 0b1101; // SP
2152 let Inst{15-5} = 0b00000101000;
2153 let Inst{4-0} = mode;
2156 def SRSDA : SRSI<0, "srsda\tsp, $mode"> {
2157 let Inst{24-23} = 0;
2159 def SRSDA_UPD : SRSI<1, "srsda\tsp!, $mode"> {
2160 let Inst{24-23} = 0;
2162 def SRSDB : SRSI<0, "srsdb\tsp, $mode"> {
2163 let Inst{24-23} = 0b10;
2165 def SRSDB_UPD : SRSI<1, "srsdb\tsp!, $mode"> {
2166 let Inst{24-23} = 0b10;
2168 def SRSIA : SRSI<0, "srsia\tsp, $mode"> {
2169 let Inst{24-23} = 0b01;
2171 def SRSIA_UPD : SRSI<1, "srsia\tsp!, $mode"> {
2172 let Inst{24-23} = 0b01;
2174 def SRSIB : SRSI<0, "srsib\tsp, $mode"> {
2175 let Inst{24-23} = 0b11;
2177 def SRSIB_UPD : SRSI<1, "srsib\tsp!, $mode"> {
2178 let Inst{24-23} = 0b11;
2181 def : ARMInstAlias<"srsda $mode", (SRSDA imm0_31:$mode)>;
2182 def : ARMInstAlias<"srsda $mode!", (SRSDA_UPD imm0_31:$mode)>;
2184 def : ARMInstAlias<"srsdb $mode", (SRSDB imm0_31:$mode)>;
2185 def : ARMInstAlias<"srsdb $mode!", (SRSDB_UPD imm0_31:$mode)>;
2187 def : ARMInstAlias<"srsia $mode", (SRSIA imm0_31:$mode)>;
2188 def : ARMInstAlias<"srsia $mode!", (SRSIA_UPD imm0_31:$mode)>;
2190 def : ARMInstAlias<"srsib $mode", (SRSIB imm0_31:$mode)>;
2191 def : ARMInstAlias<"srsib $mode!", (SRSIB_UPD imm0_31:$mode)>;
2193 // Return From Exception
2194 class RFEI<bit wb, string asm>
2195 : XI<(outs), (ins GPR:$Rn), AddrModeNone, 4, IndexModeNone, BrFrm,
2196 NoItinerary, asm, "", []> {
2198 let Inst{31-28} = 0b1111;
2199 let Inst{27-25} = 0b100;
2203 let Inst{19-16} = Rn;
2204 let Inst{15-0} = 0xa00;
2207 def RFEDA : RFEI<0, "rfeda\t$Rn"> {
2208 let Inst{24-23} = 0;
2210 def RFEDA_UPD : RFEI<1, "rfeda\t$Rn!"> {
2211 let Inst{24-23} = 0;
2213 def RFEDB : RFEI<0, "rfedb\t$Rn"> {
2214 let Inst{24-23} = 0b10;
2216 def RFEDB_UPD : RFEI<1, "rfedb\t$Rn!"> {
2217 let Inst{24-23} = 0b10;
2219 def RFEIA : RFEI<0, "rfeia\t$Rn"> {
2220 let Inst{24-23} = 0b01;
2222 def RFEIA_UPD : RFEI<1, "rfeia\t$Rn!"> {
2223 let Inst{24-23} = 0b01;
2225 def RFEIB : RFEI<0, "rfeib\t$Rn"> {
2226 let Inst{24-23} = 0b11;
2228 def RFEIB_UPD : RFEI<1, "rfeib\t$Rn!"> {
2229 let Inst{24-23} = 0b11;
2232 //===----------------------------------------------------------------------===//
2233 // Load / Store Instructions.
2239 defm LDR : AI_ldr1<0, "ldr", IIC_iLoad_r, IIC_iLoad_si,
2240 UnOpFrag<(load node:$Src)>>;
2241 defm LDRB : AI_ldr1nopc<1, "ldrb", IIC_iLoad_bh_r, IIC_iLoad_bh_si,
2242 UnOpFrag<(zextloadi8 node:$Src)>>;
2243 defm STR : AI_str1<0, "str", IIC_iStore_r, IIC_iStore_si,
2244 BinOpFrag<(store node:$LHS, node:$RHS)>>;
2245 defm STRB : AI_str1nopc<1, "strb", IIC_iStore_bh_r, IIC_iStore_bh_si,
2246 BinOpFrag<(truncstorei8 node:$LHS, node:$RHS)>>;
2248 // Special LDR for loads from non-pc-relative constpools.
2249 let canFoldAsLoad = 1, mayLoad = 1, neverHasSideEffects = 1,
2250 isReMaterializable = 1, isCodeGenOnly = 1 in
2251 def LDRcp : AI2ldst<0b010, 1, 0, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
2252 AddrMode_i12, LdFrm, IIC_iLoad_r, "ldr", "\t$Rt, $addr",
2256 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2257 let Inst{19-16} = 0b1111;
2258 let Inst{15-12} = Rt;
2259 let Inst{11-0} = addr{11-0}; // imm12
2262 // Loads with zero extension
2263 def LDRH : AI3ld<0b1011, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
2264 IIC_iLoad_bh_r, "ldrh", "\t$Rt, $addr",
2265 [(set GPR:$Rt, (zextloadi16 addrmode3:$addr))]>;
2267 // Loads with sign extension
2268 def LDRSH : AI3ld<0b1111, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
2269 IIC_iLoad_bh_r, "ldrsh", "\t$Rt, $addr",
2270 [(set GPR:$Rt, (sextloadi16 addrmode3:$addr))]>;
2272 def LDRSB : AI3ld<0b1101, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
2273 IIC_iLoad_bh_r, "ldrsb", "\t$Rt, $addr",
2274 [(set GPR:$Rt, (sextloadi8 addrmode3:$addr))]>;
2276 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1 in {
2278 def LDRD : AI3ld<0b1101, 0, (outs GPR:$Rd, GPR:$dst2),
2279 (ins addrmode3:$addr), LdMiscFrm,
2280 IIC_iLoad_d_r, "ldrd", "\t$Rd, $dst2, $addr",
2281 []>, Requires<[IsARM, HasV5TE]>;
2284 def LDA : AIldracq<0b00, (outs GPR:$Rt), (ins addr_offset_none:$addr),
2285 NoItinerary, "lda", "\t$Rt, $addr", []>;
2286 def LDAB : AIldracq<0b10, (outs GPR:$Rt), (ins addr_offset_none:$addr),
2287 NoItinerary, "ldab", "\t$Rt, $addr", []>;
2288 def LDAH : AIldracq<0b11, (outs GPR:$Rt), (ins addr_offset_none:$addr),
2289 NoItinerary, "ldah", "\t$Rt, $addr", []>;
2292 multiclass AI2_ldridx<bit isByte, string opc,
2293 InstrItinClass iii, InstrItinClass iir> {
2294 def _PRE_IMM : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb),
2295 (ins addrmode_imm12_pre:$addr), IndexModePre, LdFrm, iii,
2296 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2299 let Inst{23} = addr{12};
2300 let Inst{19-16} = addr{16-13};
2301 let Inst{11-0} = addr{11-0};
2302 let DecoderMethod = "DecodeLDRPreImm";
2305 def _PRE_REG : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb),
2306 (ins ldst_so_reg:$addr), IndexModePre, LdFrm, iir,
2307 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2310 let Inst{23} = addr{12};
2311 let Inst{19-16} = addr{16-13};
2312 let Inst{11-0} = addr{11-0};
2314 let DecoderMethod = "DecodeLDRPreReg";
2317 def _POST_REG : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2318 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2319 IndexModePost, LdFrm, iir,
2320 opc, "\t$Rt, $addr, $offset",
2321 "$addr.base = $Rn_wb", []> {
2327 let Inst{23} = offset{12};
2328 let Inst{19-16} = addr;
2329 let Inst{11-0} = offset{11-0};
2332 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2335 def _POST_IMM : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2336 (ins addr_offset_none:$addr, am2offset_imm:$offset),
2337 IndexModePost, LdFrm, iii,
2338 opc, "\t$Rt, $addr, $offset",
2339 "$addr.base = $Rn_wb", []> {
2345 let Inst{23} = offset{12};
2346 let Inst{19-16} = addr;
2347 let Inst{11-0} = offset{11-0};
2349 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2354 let mayLoad = 1, neverHasSideEffects = 1 in {
2355 // FIXME: for LDR_PRE_REG etc. the itineray should be either IIC_iLoad_ru or
2356 // IIC_iLoad_siu depending on whether it the offset register is shifted.
2357 defm LDR : AI2_ldridx<0, "ldr", IIC_iLoad_iu, IIC_iLoad_ru>;
2358 defm LDRB : AI2_ldridx<1, "ldrb", IIC_iLoad_bh_iu, IIC_iLoad_bh_ru>;
2361 multiclass AI3_ldridx<bits<4> op, string opc, InstrItinClass itin> {
2362 def _PRE : AI3ldstidx<op, 1, 1, (outs GPR:$Rt, GPR:$Rn_wb),
2363 (ins addrmode3_pre:$addr), IndexModePre,
2365 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2367 let Inst{23} = addr{8}; // U bit
2368 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2369 let Inst{19-16} = addr{12-9}; // Rn
2370 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2371 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2372 let DecoderMethod = "DecodeAddrMode3Instruction";
2374 def _POST : AI3ldstidx<op, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2375 (ins addr_offset_none:$addr, am3offset:$offset),
2376 IndexModePost, LdMiscFrm, itin,
2377 opc, "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb",
2381 let Inst{23} = offset{8}; // U bit
2382 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2383 let Inst{19-16} = addr;
2384 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2385 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2386 let DecoderMethod = "DecodeAddrMode3Instruction";
2390 let mayLoad = 1, neverHasSideEffects = 1 in {
2391 defm LDRH : AI3_ldridx<0b1011, "ldrh", IIC_iLoad_bh_ru>;
2392 defm LDRSH : AI3_ldridx<0b1111, "ldrsh", IIC_iLoad_bh_ru>;
2393 defm LDRSB : AI3_ldridx<0b1101, "ldrsb", IIC_iLoad_bh_ru>;
2394 let hasExtraDefRegAllocReq = 1 in {
2395 def LDRD_PRE : AI3ldstidx<0b1101, 0, 1, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
2396 (ins addrmode3_pre:$addr), IndexModePre,
2397 LdMiscFrm, IIC_iLoad_d_ru,
2398 "ldrd", "\t$Rt, $Rt2, $addr!",
2399 "$addr.base = $Rn_wb", []> {
2401 let Inst{23} = addr{8}; // U bit
2402 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2403 let Inst{19-16} = addr{12-9}; // Rn
2404 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2405 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2406 let DecoderMethod = "DecodeAddrMode3Instruction";
2408 def LDRD_POST: AI3ldstidx<0b1101, 0, 0, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
2409 (ins addr_offset_none:$addr, am3offset:$offset),
2410 IndexModePost, LdMiscFrm, IIC_iLoad_d_ru,
2411 "ldrd", "\t$Rt, $Rt2, $addr, $offset",
2412 "$addr.base = $Rn_wb", []> {
2415 let Inst{23} = offset{8}; // U bit
2416 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2417 let Inst{19-16} = addr;
2418 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2419 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2420 let DecoderMethod = "DecodeAddrMode3Instruction";
2422 } // hasExtraDefRegAllocReq = 1
2423 } // mayLoad = 1, neverHasSideEffects = 1
2425 // LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT.
2426 let mayLoad = 1, neverHasSideEffects = 1 in {
2427 def LDRT_POST_REG : AI2ldstidx<1, 0, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2428 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2429 IndexModePost, LdFrm, IIC_iLoad_ru,
2430 "ldrt", "\t$Rt, $addr, $offset",
2431 "$addr.base = $Rn_wb", []> {
2437 let Inst{23} = offset{12};
2438 let Inst{21} = 1; // overwrite
2439 let Inst{19-16} = addr;
2440 let Inst{11-5} = offset{11-5};
2442 let Inst{3-0} = offset{3-0};
2443 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2446 def LDRT_POST_IMM : AI2ldstidx<1, 0, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2447 (ins addr_offset_none:$addr, am2offset_imm:$offset),
2448 IndexModePost, LdFrm, IIC_iLoad_ru,
2449 "ldrt", "\t$Rt, $addr, $offset",
2450 "$addr.base = $Rn_wb", []> {
2456 let Inst{23} = offset{12};
2457 let Inst{21} = 1; // overwrite
2458 let Inst{19-16} = addr;
2459 let Inst{11-0} = offset{11-0};
2460 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2463 def LDRBT_POST_REG : AI2ldstidx<1, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2464 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2465 IndexModePost, LdFrm, IIC_iLoad_bh_ru,
2466 "ldrbt", "\t$Rt, $addr, $offset",
2467 "$addr.base = $Rn_wb", []> {
2473 let Inst{23} = offset{12};
2474 let Inst{21} = 1; // overwrite
2475 let Inst{19-16} = addr;
2476 let Inst{11-5} = offset{11-5};
2478 let Inst{3-0} = offset{3-0};
2479 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2482 def LDRBT_POST_IMM : AI2ldstidx<1, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2483 (ins addr_offset_none:$addr, am2offset_imm:$offset),
2484 IndexModePost, LdFrm, IIC_iLoad_bh_ru,
2485 "ldrbt", "\t$Rt, $addr, $offset",
2486 "$addr.base = $Rn_wb", []> {
2492 let Inst{23} = offset{12};
2493 let Inst{21} = 1; // overwrite
2494 let Inst{19-16} = addr;
2495 let Inst{11-0} = offset{11-0};
2496 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2499 multiclass AI3ldrT<bits<4> op, string opc> {
2500 def i : AI3ldstidxT<op, 1, (outs GPR:$Rt, GPR:$base_wb),
2501 (ins addr_offset_none:$addr, postidx_imm8:$offset),
2502 IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru, opc,
2503 "\t$Rt, $addr, $offset", "$addr.base = $base_wb", []> {
2505 let Inst{23} = offset{8};
2507 let Inst{11-8} = offset{7-4};
2508 let Inst{3-0} = offset{3-0};
2510 def r : AI3ldstidxT<op, 1, (outs GPRnopc:$Rt, GPRnopc:$base_wb),
2511 (ins addr_offset_none:$addr, postidx_reg:$Rm),
2512 IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru, opc,
2513 "\t$Rt, $addr, $Rm", "$addr.base = $base_wb", []> {
2515 let Inst{23} = Rm{4};
2518 let Unpredictable{11-8} = 0b1111;
2519 let Inst{3-0} = Rm{3-0};
2520 let DecoderMethod = "DecodeLDR";
2524 defm LDRSBT : AI3ldrT<0b1101, "ldrsbt">;
2525 defm LDRHT : AI3ldrT<0b1011, "ldrht">;
2526 defm LDRSHT : AI3ldrT<0b1111, "ldrsht">;
2531 // Stores with truncate
2532 def STRH : AI3str<0b1011, (outs), (ins GPR:$Rt, addrmode3:$addr), StMiscFrm,
2533 IIC_iStore_bh_r, "strh", "\t$Rt, $addr",
2534 [(truncstorei16 GPR:$Rt, addrmode3:$addr)]>;
2537 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in
2538 def STRD : AI3str<0b1111, (outs), (ins GPR:$Rt, GPR:$src2, addrmode3:$addr),
2539 StMiscFrm, IIC_iStore_d_r,
2540 "strd", "\t$Rt, $src2, $addr", []>,
2541 Requires<[IsARM, HasV5TE]> {
2546 multiclass AI2_stridx<bit isByte, string opc,
2547 InstrItinClass iii, InstrItinClass iir> {
2548 def _PRE_IMM : AI2ldstidx<0, isByte, 1, (outs GPR:$Rn_wb),
2549 (ins GPR:$Rt, addrmode_imm12_pre:$addr), IndexModePre,
2551 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2554 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2555 let Inst{19-16} = addr{16-13}; // Rn
2556 let Inst{11-0} = addr{11-0}; // imm12
2557 let DecoderMethod = "DecodeSTRPreImm";
2560 def _PRE_REG : AI2ldstidx<0, isByte, 1, (outs GPR:$Rn_wb),
2561 (ins GPR:$Rt, ldst_so_reg:$addr),
2562 IndexModePre, StFrm, iir,
2563 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2566 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2567 let Inst{19-16} = addr{16-13}; // Rn
2568 let Inst{11-0} = addr{11-0};
2569 let Inst{4} = 0; // Inst{4} = 0
2570 let DecoderMethod = "DecodeSTRPreReg";
2572 def _POST_REG : AI2ldstidx<0, isByte, 0, (outs GPR:$Rn_wb),
2573 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_reg:$offset),
2574 IndexModePost, StFrm, iir,
2575 opc, "\t$Rt, $addr, $offset",
2576 "$addr.base = $Rn_wb", []> {
2582 let Inst{23} = offset{12};
2583 let Inst{19-16} = addr;
2584 let Inst{11-0} = offset{11-0};
2587 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2590 def _POST_IMM : AI2ldstidx<0, isByte, 0, (outs GPR:$Rn_wb),
2591 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_imm:$offset),
2592 IndexModePost, StFrm, iii,
2593 opc, "\t$Rt, $addr, $offset",
2594 "$addr.base = $Rn_wb", []> {
2600 let Inst{23} = offset{12};
2601 let Inst{19-16} = addr;
2602 let Inst{11-0} = offset{11-0};
2604 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2608 let mayStore = 1, neverHasSideEffects = 1 in {
2609 // FIXME: for STR_PRE_REG etc. the itineray should be either IIC_iStore_ru or
2610 // IIC_iStore_siu depending on whether it the offset register is shifted.
2611 defm STR : AI2_stridx<0, "str", IIC_iStore_iu, IIC_iStore_ru>;
2612 defm STRB : AI2_stridx<1, "strb", IIC_iStore_bh_iu, IIC_iStore_bh_ru>;
2615 def : ARMPat<(post_store GPR:$Rt, addr_offset_none:$addr,
2616 am2offset_reg:$offset),
2617 (STR_POST_REG GPR:$Rt, addr_offset_none:$addr,
2618 am2offset_reg:$offset)>;
2619 def : ARMPat<(post_store GPR:$Rt, addr_offset_none:$addr,
2620 am2offset_imm:$offset),
2621 (STR_POST_IMM GPR:$Rt, addr_offset_none:$addr,
2622 am2offset_imm:$offset)>;
2623 def : ARMPat<(post_truncsti8 GPR:$Rt, addr_offset_none:$addr,
2624 am2offset_reg:$offset),
2625 (STRB_POST_REG GPR:$Rt, addr_offset_none:$addr,
2626 am2offset_reg:$offset)>;
2627 def : ARMPat<(post_truncsti8 GPR:$Rt, addr_offset_none:$addr,
2628 am2offset_imm:$offset),
2629 (STRB_POST_IMM GPR:$Rt, addr_offset_none:$addr,
2630 am2offset_imm:$offset)>;
2632 // Pseudo-instructions for pattern matching the pre-indexed stores. We can't
2633 // put the patterns on the instruction definitions directly as ISel wants
2634 // the address base and offset to be separate operands, not a single
2635 // complex operand like we represent the instructions themselves. The
2636 // pseudos map between the two.
2637 let usesCustomInserter = 1,
2638 Constraints = "$Rn = $Rn_wb,@earlyclobber $Rn_wb" in {
2639 def STRi_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2640 (ins GPR:$Rt, GPR:$Rn, am2offset_imm:$offset, pred:$p),
2643 (pre_store GPR:$Rt, GPR:$Rn, am2offset_imm:$offset))]>;
2644 def STRr_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2645 (ins GPR:$Rt, GPR:$Rn, am2offset_reg:$offset, pred:$p),
2648 (pre_store GPR:$Rt, GPR:$Rn, am2offset_reg:$offset))]>;
2649 def STRBi_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2650 (ins GPR:$Rt, GPR:$Rn, am2offset_imm:$offset, pred:$p),
2653 (pre_truncsti8 GPR:$Rt, GPR:$Rn, am2offset_imm:$offset))]>;
2654 def STRBr_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2655 (ins GPR:$Rt, GPR:$Rn, am2offset_reg:$offset, pred:$p),
2658 (pre_truncsti8 GPR:$Rt, GPR:$Rn, am2offset_reg:$offset))]>;
2659 def STRH_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2660 (ins GPR:$Rt, GPR:$Rn, am3offset:$offset, pred:$p),
2663 (pre_truncsti16 GPR:$Rt, GPR:$Rn, am3offset:$offset))]>;
2668 def STRH_PRE : AI3ldstidx<0b1011, 0, 1, (outs GPR:$Rn_wb),
2669 (ins GPR:$Rt, addrmode3_pre:$addr), IndexModePre,
2670 StMiscFrm, IIC_iStore_bh_ru,
2671 "strh", "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2673 let Inst{23} = addr{8}; // U bit
2674 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2675 let Inst{19-16} = addr{12-9}; // Rn
2676 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2677 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2678 let DecoderMethod = "DecodeAddrMode3Instruction";
2681 def STRH_POST : AI3ldstidx<0b1011, 0, 0, (outs GPR:$Rn_wb),
2682 (ins GPR:$Rt, addr_offset_none:$addr, am3offset:$offset),
2683 IndexModePost, StMiscFrm, IIC_iStore_bh_ru,
2684 "strh", "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb",
2685 [(set GPR:$Rn_wb, (post_truncsti16 GPR:$Rt,
2686 addr_offset_none:$addr,
2687 am3offset:$offset))]> {
2690 let Inst{23} = offset{8}; // U bit
2691 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2692 let Inst{19-16} = addr;
2693 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2694 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2695 let DecoderMethod = "DecodeAddrMode3Instruction";
2698 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in {
2699 def STRD_PRE : AI3ldstidx<0b1111, 0, 1, (outs GPR:$Rn_wb),
2700 (ins GPR:$Rt, GPR:$Rt2, addrmode3_pre:$addr),
2701 IndexModePre, StMiscFrm, IIC_iStore_d_ru,
2702 "strd", "\t$Rt, $Rt2, $addr!",
2703 "$addr.base = $Rn_wb", []> {
2705 let Inst{23} = addr{8}; // U bit
2706 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2707 let Inst{19-16} = addr{12-9}; // Rn
2708 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2709 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2710 let DecoderMethod = "DecodeAddrMode3Instruction";
2713 def STRD_POST: AI3ldstidx<0b1111, 0, 0, (outs GPR:$Rn_wb),
2714 (ins GPR:$Rt, GPR:$Rt2, addr_offset_none:$addr,
2716 IndexModePost, StMiscFrm, IIC_iStore_d_ru,
2717 "strd", "\t$Rt, $Rt2, $addr, $offset",
2718 "$addr.base = $Rn_wb", []> {
2721 let Inst{23} = offset{8}; // U bit
2722 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2723 let Inst{19-16} = addr;
2724 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2725 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2726 let DecoderMethod = "DecodeAddrMode3Instruction";
2728 } // mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1
2730 // STRT, STRBT, and STRHT
2732 def STRBT_POST_REG : AI2ldstidx<0, 1, 0, (outs GPR:$Rn_wb),
2733 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_reg:$offset),
2734 IndexModePost, StFrm, IIC_iStore_bh_ru,
2735 "strbt", "\t$Rt, $addr, $offset",
2736 "$addr.base = $Rn_wb", []> {
2742 let Inst{23} = offset{12};
2743 let Inst{21} = 1; // overwrite
2744 let Inst{19-16} = addr;
2745 let Inst{11-5} = offset{11-5};
2747 let Inst{3-0} = offset{3-0};
2748 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2751 def STRBT_POST_IMM : AI2ldstidx<0, 1, 0, (outs GPR:$Rn_wb),
2752 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_imm:$offset),
2753 IndexModePost, StFrm, IIC_iStore_bh_ru,
2754 "strbt", "\t$Rt, $addr, $offset",
2755 "$addr.base = $Rn_wb", []> {
2761 let Inst{23} = offset{12};
2762 let Inst{21} = 1; // overwrite
2763 let Inst{19-16} = addr;
2764 let Inst{11-0} = offset{11-0};
2765 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2768 let mayStore = 1, neverHasSideEffects = 1 in {
2769 def STRT_POST_REG : AI2ldstidx<0, 0, 0, (outs GPR:$Rn_wb),
2770 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_reg:$offset),
2771 IndexModePost, StFrm, IIC_iStore_ru,
2772 "strt", "\t$Rt, $addr, $offset",
2773 "$addr.base = $Rn_wb", []> {
2779 let Inst{23} = offset{12};
2780 let Inst{21} = 1; // overwrite
2781 let Inst{19-16} = addr;
2782 let Inst{11-5} = offset{11-5};
2784 let Inst{3-0} = offset{3-0};
2785 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2788 def STRT_POST_IMM : AI2ldstidx<0, 0, 0, (outs GPR:$Rn_wb),
2789 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_imm:$offset),
2790 IndexModePost, StFrm, IIC_iStore_ru,
2791 "strt", "\t$Rt, $addr, $offset",
2792 "$addr.base = $Rn_wb", []> {
2798 let Inst{23} = offset{12};
2799 let Inst{21} = 1; // overwrite
2800 let Inst{19-16} = addr;
2801 let Inst{11-0} = offset{11-0};
2802 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2807 multiclass AI3strT<bits<4> op, string opc> {
2808 def i : AI3ldstidxT<op, 0, (outs GPR:$base_wb),
2809 (ins GPR:$Rt, addr_offset_none:$addr, postidx_imm8:$offset),
2810 IndexModePost, StMiscFrm, IIC_iStore_bh_ru, opc,
2811 "\t$Rt, $addr, $offset", "$addr.base = $base_wb", []> {
2813 let Inst{23} = offset{8};
2815 let Inst{11-8} = offset{7-4};
2816 let Inst{3-0} = offset{3-0};
2818 def r : AI3ldstidxT<op, 0, (outs GPR:$base_wb),
2819 (ins GPR:$Rt, addr_offset_none:$addr, postidx_reg:$Rm),
2820 IndexModePost, StMiscFrm, IIC_iStore_bh_ru, opc,
2821 "\t$Rt, $addr, $Rm", "$addr.base = $base_wb", []> {
2823 let Inst{23} = Rm{4};
2826 let Inst{3-0} = Rm{3-0};
2831 defm STRHT : AI3strT<0b1011, "strht">;
2833 def STL : AIstrrel<0b00, (outs), (ins GPR:$Rt, addr_offset_none:$addr),
2834 NoItinerary, "stl", "\t$Rt, $addr", []>;
2835 def STLB : AIstrrel<0b10, (outs), (ins GPR:$Rt, addr_offset_none:$addr),
2836 NoItinerary, "stlb", "\t$Rt, $addr", []>;
2837 def STLH : AIstrrel<0b11, (outs), (ins GPR:$Rt, addr_offset_none:$addr),
2838 NoItinerary, "stlh", "\t$Rt, $addr", []>;
2840 //===----------------------------------------------------------------------===//
2841 // Load / store multiple Instructions.
2844 multiclass arm_ldst_mult<string asm, string sfx, bit L_bit, bit P_bit, Format f,
2845 InstrItinClass itin, InstrItinClass itin_upd> {
2846 // IA is the default, so no need for an explicit suffix on the
2847 // mnemonic here. Without it is the canonical spelling.
2849 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2850 IndexModeNone, f, itin,
2851 !strconcat(asm, "${p}\t$Rn, $regs", sfx), "", []> {
2852 let Inst{24-23} = 0b01; // Increment After
2853 let Inst{22} = P_bit;
2854 let Inst{21} = 0; // No writeback
2855 let Inst{20} = L_bit;
2858 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2859 IndexModeUpd, f, itin_upd,
2860 !strconcat(asm, "${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
2861 let Inst{24-23} = 0b01; // Increment After
2862 let Inst{22} = P_bit;
2863 let Inst{21} = 1; // Writeback
2864 let Inst{20} = L_bit;
2866 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
2869 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2870 IndexModeNone, f, itin,
2871 !strconcat(asm, "da${p}\t$Rn, $regs", sfx), "", []> {
2872 let Inst{24-23} = 0b00; // Decrement After
2873 let Inst{22} = P_bit;
2874 let Inst{21} = 0; // No writeback
2875 let Inst{20} = L_bit;
2878 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2879 IndexModeUpd, f, itin_upd,
2880 !strconcat(asm, "da${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
2881 let Inst{24-23} = 0b00; // Decrement After
2882 let Inst{22} = P_bit;
2883 let Inst{21} = 1; // Writeback
2884 let Inst{20} = L_bit;
2886 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
2889 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2890 IndexModeNone, f, itin,
2891 !strconcat(asm, "db${p}\t$Rn, $regs", sfx), "", []> {
2892 let Inst{24-23} = 0b10; // Decrement Before
2893 let Inst{22} = P_bit;
2894 let Inst{21} = 0; // No writeback
2895 let Inst{20} = L_bit;
2898 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2899 IndexModeUpd, f, itin_upd,
2900 !strconcat(asm, "db${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
2901 let Inst{24-23} = 0b10; // Decrement Before
2902 let Inst{22} = P_bit;
2903 let Inst{21} = 1; // Writeback
2904 let Inst{20} = L_bit;
2906 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
2909 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2910 IndexModeNone, f, itin,
2911 !strconcat(asm, "ib${p}\t$Rn, $regs", sfx), "", []> {
2912 let Inst{24-23} = 0b11; // Increment Before
2913 let Inst{22} = P_bit;
2914 let Inst{21} = 0; // No writeback
2915 let Inst{20} = L_bit;
2918 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2919 IndexModeUpd, f, itin_upd,
2920 !strconcat(asm, "ib${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
2921 let Inst{24-23} = 0b11; // Increment Before
2922 let Inst{22} = P_bit;
2923 let Inst{21} = 1; // Writeback
2924 let Inst{20} = L_bit;
2926 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
2930 let neverHasSideEffects = 1 in {
2932 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
2933 defm LDM : arm_ldst_mult<"ldm", "", 1, 0, LdStMulFrm, IIC_iLoad_m,
2936 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
2937 defm STM : arm_ldst_mult<"stm", "", 0, 0, LdStMulFrm, IIC_iStore_m,
2940 } // neverHasSideEffects
2942 // FIXME: remove when we have a way to marking a MI with these properties.
2943 // FIXME: Should pc be an implicit operand like PICADD, etc?
2944 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
2945 hasExtraDefRegAllocReq = 1, isCodeGenOnly = 1 in
2946 def LDMIA_RET : ARMPseudoExpand<(outs GPR:$wb), (ins GPR:$Rn, pred:$p,
2947 reglist:$regs, variable_ops),
2948 4, IIC_iLoad_mBr, [],
2949 (LDMIA_UPD GPR:$wb, GPR:$Rn, pred:$p, reglist:$regs)>,
2950 RegConstraint<"$Rn = $wb">;
2952 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
2953 defm sysLDM : arm_ldst_mult<"ldm", " ^", 1, 1, LdStMulFrm, IIC_iLoad_m,
2956 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
2957 defm sysSTM : arm_ldst_mult<"stm", " ^", 0, 1, LdStMulFrm, IIC_iStore_m,
2962 //===----------------------------------------------------------------------===//
2963 // Move Instructions.
2966 let neverHasSideEffects = 1 in
2967 def MOVr : AsI1<0b1101, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMOVr,
2968 "mov", "\t$Rd, $Rm", []>, UnaryDP, Sched<[WriteALU]> {
2972 let Inst{19-16} = 0b0000;
2973 let Inst{11-4} = 0b00000000;
2976 let Inst{15-12} = Rd;
2979 // A version for the smaller set of tail call registers.
2980 let neverHasSideEffects = 1 in
2981 def MOVr_TC : AsI1<0b1101, (outs tcGPR:$Rd), (ins tcGPR:$Rm), DPFrm,
2982 IIC_iMOVr, "mov", "\t$Rd, $Rm", []>, UnaryDP, Sched<[WriteALU]> {
2986 let Inst{11-4} = 0b00000000;
2989 let Inst{15-12} = Rd;
2992 def MOVsr : AsI1<0b1101, (outs GPRnopc:$Rd), (ins shift_so_reg_reg:$src),
2993 DPSoRegRegFrm, IIC_iMOVsr,
2994 "mov", "\t$Rd, $src",
2995 [(set GPRnopc:$Rd, shift_so_reg_reg:$src)]>, UnaryDP,
2999 let Inst{15-12} = Rd;
3000 let Inst{19-16} = 0b0000;
3001 let Inst{11-8} = src{11-8};
3003 let Inst{6-5} = src{6-5};
3005 let Inst{3-0} = src{3-0};
3009 def MOVsi : AsI1<0b1101, (outs GPR:$Rd), (ins shift_so_reg_imm:$src),
3010 DPSoRegImmFrm, IIC_iMOVsr,
3011 "mov", "\t$Rd, $src", [(set GPR:$Rd, shift_so_reg_imm:$src)]>,
3012 UnaryDP, Sched<[WriteALU]> {
3015 let Inst{15-12} = Rd;
3016 let Inst{19-16} = 0b0000;
3017 let Inst{11-5} = src{11-5};
3019 let Inst{3-0} = src{3-0};
3023 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
3024 def MOVi : AsI1<0b1101, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm, IIC_iMOVi,
3025 "mov", "\t$Rd, $imm", [(set GPR:$Rd, so_imm:$imm)]>, UnaryDP,
3030 let Inst{15-12} = Rd;
3031 let Inst{19-16} = 0b0000;
3032 let Inst{11-0} = imm;
3035 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
3036 def MOVi16 : AI1<0b1000, (outs GPR:$Rd), (ins imm0_65535_expr:$imm),
3038 "movw", "\t$Rd, $imm",
3039 [(set GPR:$Rd, imm0_65535:$imm)]>,
3040 Requires<[IsARM, HasV6T2]>, UnaryDP, Sched<[WriteALU]> {
3043 let Inst{15-12} = Rd;
3044 let Inst{11-0} = imm{11-0};
3045 let Inst{19-16} = imm{15-12};
3048 let DecoderMethod = "DecodeArmMOVTWInstruction";
3051 def : InstAlias<"mov${p} $Rd, $imm",
3052 (MOVi16 GPR:$Rd, imm0_65535_expr:$imm, pred:$p)>,
3055 def MOVi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
3056 (ins i32imm:$addr, pclabel:$id), IIC_iMOVi, []>,
3059 let Constraints = "$src = $Rd" in {
3060 def MOVTi16 : AI1<0b1010, (outs GPRnopc:$Rd),
3061 (ins GPR:$src, imm0_65535_expr:$imm),
3063 "movt", "\t$Rd, $imm",
3065 (or (and GPR:$src, 0xffff),
3066 lo16AllZero:$imm))]>, UnaryDP,
3067 Requires<[IsARM, HasV6T2]>, Sched<[WriteALU]> {
3070 let Inst{15-12} = Rd;
3071 let Inst{11-0} = imm{11-0};
3072 let Inst{19-16} = imm{15-12};
3075 let DecoderMethod = "DecodeArmMOVTWInstruction";
3078 def MOVTi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
3079 (ins GPR:$src, i32imm:$addr, pclabel:$id), IIC_iMOVi, []>,
3084 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
3085 Requires<[IsARM, HasV6T2]>;
3087 let Uses = [CPSR] in
3088 def RRX: PseudoInst<(outs GPR:$Rd), (ins GPR:$Rm), IIC_iMOVsi,
3089 [(set GPR:$Rd, (ARMrrx GPR:$Rm))]>, UnaryDP,
3090 Requires<[IsARM]>, Sched<[WriteALU]>;
3092 // These aren't really mov instructions, but we have to define them this way
3093 // due to flag operands.
3095 let Defs = [CPSR] in {
3096 def MOVsrl_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
3097 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP,
3098 Sched<[WriteALU]>, Requires<[IsARM]>;
3099 def MOVsra_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
3100 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP,
3101 Sched<[WriteALU]>, Requires<[IsARM]>;
3104 //===----------------------------------------------------------------------===//
3105 // Extend Instructions.
3110 def SXTB : AI_ext_rrot<0b01101010,
3111 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
3112 def SXTH : AI_ext_rrot<0b01101011,
3113 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
3115 def SXTAB : AI_exta_rrot<0b01101010,
3116 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
3117 def SXTAH : AI_exta_rrot<0b01101011,
3118 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
3120 def SXTB16 : AI_ext_rrot_np<0b01101000, "sxtb16">;
3122 def SXTAB16 : AI_exta_rrot_np<0b01101000, "sxtab16">;
3126 let AddedComplexity = 16 in {
3127 def UXTB : AI_ext_rrot<0b01101110,
3128 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
3129 def UXTH : AI_ext_rrot<0b01101111,
3130 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
3131 def UXTB16 : AI_ext_rrot<0b01101100,
3132 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
3134 // FIXME: This pattern incorrectly assumes the shl operator is a rotate.
3135 // The transformation should probably be done as a combiner action
3136 // instead so we can include a check for masking back in the upper
3137 // eight bits of the source into the lower eight bits of the result.
3138 //def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
3139 // (UXTB16r_rot GPR:$Src, 3)>;
3140 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
3141 (UXTB16 GPR:$Src, 1)>;
3143 def UXTAB : AI_exta_rrot<0b01101110, "uxtab",
3144 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
3145 def UXTAH : AI_exta_rrot<0b01101111, "uxtah",
3146 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
3149 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
3150 def UXTAB16 : AI_exta_rrot_np<0b01101100, "uxtab16">;
3153 def SBFX : I<(outs GPRnopc:$Rd),
3154 (ins GPRnopc:$Rn, imm0_31:$lsb, imm1_32:$width),
3155 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3156 "sbfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
3157 Requires<[IsARM, HasV6T2]> {
3162 let Inst{27-21} = 0b0111101;
3163 let Inst{6-4} = 0b101;
3164 let Inst{20-16} = width;
3165 let Inst{15-12} = Rd;
3166 let Inst{11-7} = lsb;
3170 def UBFX : I<(outs GPR:$Rd),
3171 (ins GPR:$Rn, imm0_31:$lsb, imm1_32:$width),
3172 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3173 "ubfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
3174 Requires<[IsARM, HasV6T2]> {
3179 let Inst{27-21} = 0b0111111;
3180 let Inst{6-4} = 0b101;
3181 let Inst{20-16} = width;
3182 let Inst{15-12} = Rd;
3183 let Inst{11-7} = lsb;
3187 //===----------------------------------------------------------------------===//
3188 // Arithmetic Instructions.
3191 defm ADD : AsI1_bin_irs<0b0100, "add",
3192 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3193 BinOpFrag<(add node:$LHS, node:$RHS)>, 1>;
3194 defm SUB : AsI1_bin_irs<0b0010, "sub",
3195 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3196 BinOpFrag<(sub node:$LHS, node:$RHS)>>;
3198 // ADD and SUB with 's' bit set.
3200 // Currently, ADDS/SUBS are pseudo opcodes that exist only in the
3201 // selection DAG. They are "lowered" to real ADD/SUB opcodes by
3202 // AdjustInstrPostInstrSelection where we determine whether or not to
3203 // set the "s" bit based on CPSR liveness.
3205 // FIXME: Eliminate ADDS/SUBS pseudo opcodes after adding tablegen
3206 // support for an optional CPSR definition that corresponds to the DAG
3207 // node's second value. We can then eliminate the implicit def of CPSR.
3208 defm ADDS : AsI1_bin_s_irs<IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3209 BinOpFrag<(ARMaddc node:$LHS, node:$RHS)>, 1>;
3210 defm SUBS : AsI1_bin_s_irs<IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3211 BinOpFrag<(ARMsubc node:$LHS, node:$RHS)>>;
3213 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
3214 BinOpWithFlagFrag<(ARMadde node:$LHS, node:$RHS, node:$FLAG)>, 1>;
3215 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
3216 BinOpWithFlagFrag<(ARMsube node:$LHS, node:$RHS, node:$FLAG)>>;
3218 defm RSB : AsI1_rbin_irs<0b0011, "rsb",
3219 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3220 BinOpFrag<(sub node:$LHS, node:$RHS)>>;
3222 // FIXME: Eliminate them if we can write def : Pat patterns which defines
3223 // CPSR and the implicit def of CPSR is not needed.
3224 defm RSBS : AsI1_rbin_s_is<IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3225 BinOpFrag<(ARMsubc node:$LHS, node:$RHS)>>;
3227 defm RSC : AI1_rsc_irs<0b0111, "rsc",
3228 BinOpWithFlagFrag<(ARMsube node:$LHS, node:$RHS, node:$FLAG)>>;
3230 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
3231 // The assume-no-carry-in form uses the negation of the input since add/sub
3232 // assume opposite meanings of the carry flag (i.e., carry == !borrow).
3233 // See the definition of AddWithCarry() in the ARM ARM A2.2.1 for the gory
3235 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
3236 (SUBri GPR:$src, so_imm_neg:$imm)>;
3237 def : ARMPat<(ARMaddc GPR:$src, so_imm_neg:$imm),
3238 (SUBSri GPR:$src, so_imm_neg:$imm)>;
3240 def : ARMPat<(add GPR:$src, imm0_65535_neg:$imm),
3241 (SUBrr GPR:$src, (MOVi16 (imm_neg_XFORM imm:$imm)))>,
3242 Requires<[IsARM, HasV6T2]>;
3243 def : ARMPat<(ARMaddc GPR:$src, imm0_65535_neg:$imm),
3244 (SUBSrr GPR:$src, (MOVi16 (imm_neg_XFORM imm:$imm)))>,
3245 Requires<[IsARM, HasV6T2]>;
3247 // The with-carry-in form matches bitwise not instead of the negation.
3248 // Effectively, the inverse interpretation of the carry flag already accounts
3249 // for part of the negation.
3250 def : ARMPat<(ARMadde GPR:$src, so_imm_not:$imm, CPSR),
3251 (SBCri GPR:$src, so_imm_not:$imm)>;
3252 def : ARMPat<(ARMadde GPR:$src, imm0_65535_neg:$imm, CPSR),
3253 (SBCrr GPR:$src, (MOVi16 (imm_not_XFORM imm:$imm)))>;
3255 // Note: These are implemented in C++ code, because they have to generate
3256 // ADD/SUBrs instructions, which use a complex pattern that a xform function
3258 // (mul X, 2^n+1) -> (add (X << n), X)
3259 // (mul X, 2^n-1) -> (rsb X, (X << n))
3261 // ARM Arithmetic Instruction
3262 // GPR:$dst = GPR:$a op GPR:$b
3263 class AAI<bits<8> op27_20, bits<8> op11_4, string opc,
3264 list<dag> pattern = [],
3265 dag iops = (ins GPRnopc:$Rn, GPRnopc:$Rm),
3266 string asm = "\t$Rd, $Rn, $Rm">
3267 : AI<(outs GPRnopc:$Rd), iops, DPFrm, IIC_iALUr, opc, asm, pattern>,
3268 Sched<[WriteALU, ReadALU, ReadALU]> {
3272 let Inst{27-20} = op27_20;
3273 let Inst{11-4} = op11_4;
3274 let Inst{19-16} = Rn;
3275 let Inst{15-12} = Rd;
3278 let Unpredictable{11-8} = 0b1111;
3281 // Saturating add/subtract
3283 let DecoderMethod = "DecodeQADDInstruction" in
3284 def QADD : AAI<0b00010000, 0b00000101, "qadd",
3285 [(set GPRnopc:$Rd, (int_arm_qadd GPRnopc:$Rm, GPRnopc:$Rn))],
3286 (ins GPRnopc:$Rm, GPRnopc:$Rn), "\t$Rd, $Rm, $Rn">;
3288 def QSUB : AAI<0b00010010, 0b00000101, "qsub",
3289 [(set GPRnopc:$Rd, (int_arm_qsub GPRnopc:$Rm, GPRnopc:$Rn))],
3290 (ins GPRnopc:$Rm, GPRnopc:$Rn), "\t$Rd, $Rm, $Rn">;
3291 def QDADD : AAI<0b00010100, 0b00000101, "qdadd", [],
3292 (ins GPRnopc:$Rm, GPRnopc:$Rn),
3294 def QDSUB : AAI<0b00010110, 0b00000101, "qdsub", [],
3295 (ins GPRnopc:$Rm, GPRnopc:$Rn),
3298 def QADD16 : AAI<0b01100010, 0b11110001, "qadd16">;
3299 def QADD8 : AAI<0b01100010, 0b11111001, "qadd8">;
3300 def QASX : AAI<0b01100010, 0b11110011, "qasx">;
3301 def QSAX : AAI<0b01100010, 0b11110101, "qsax">;
3302 def QSUB16 : AAI<0b01100010, 0b11110111, "qsub16">;
3303 def QSUB8 : AAI<0b01100010, 0b11111111, "qsub8">;
3304 def UQADD16 : AAI<0b01100110, 0b11110001, "uqadd16">;
3305 def UQADD8 : AAI<0b01100110, 0b11111001, "uqadd8">;
3306 def UQASX : AAI<0b01100110, 0b11110011, "uqasx">;
3307 def UQSAX : AAI<0b01100110, 0b11110101, "uqsax">;
3308 def UQSUB16 : AAI<0b01100110, 0b11110111, "uqsub16">;
3309 def UQSUB8 : AAI<0b01100110, 0b11111111, "uqsub8">;
3311 // Signed/Unsigned add/subtract
3313 def SASX : AAI<0b01100001, 0b11110011, "sasx">;
3314 def SADD16 : AAI<0b01100001, 0b11110001, "sadd16">;
3315 def SADD8 : AAI<0b01100001, 0b11111001, "sadd8">;
3316 def SSAX : AAI<0b01100001, 0b11110101, "ssax">;
3317 def SSUB16 : AAI<0b01100001, 0b11110111, "ssub16">;
3318 def SSUB8 : AAI<0b01100001, 0b11111111, "ssub8">;
3319 def UASX : AAI<0b01100101, 0b11110011, "uasx">;
3320 def UADD16 : AAI<0b01100101, 0b11110001, "uadd16">;
3321 def UADD8 : AAI<0b01100101, 0b11111001, "uadd8">;
3322 def USAX : AAI<0b01100101, 0b11110101, "usax">;
3323 def USUB16 : AAI<0b01100101, 0b11110111, "usub16">;
3324 def USUB8 : AAI<0b01100101, 0b11111111, "usub8">;
3326 // Signed/Unsigned halving add/subtract
3328 def SHASX : AAI<0b01100011, 0b11110011, "shasx">;
3329 def SHADD16 : AAI<0b01100011, 0b11110001, "shadd16">;
3330 def SHADD8 : AAI<0b01100011, 0b11111001, "shadd8">;
3331 def SHSAX : AAI<0b01100011, 0b11110101, "shsax">;
3332 def SHSUB16 : AAI<0b01100011, 0b11110111, "shsub16">;
3333 def SHSUB8 : AAI<0b01100011, 0b11111111, "shsub8">;
3334 def UHASX : AAI<0b01100111, 0b11110011, "uhasx">;
3335 def UHADD16 : AAI<0b01100111, 0b11110001, "uhadd16">;
3336 def UHADD8 : AAI<0b01100111, 0b11111001, "uhadd8">;
3337 def UHSAX : AAI<0b01100111, 0b11110101, "uhsax">;
3338 def UHSUB16 : AAI<0b01100111, 0b11110111, "uhsub16">;
3339 def UHSUB8 : AAI<0b01100111, 0b11111111, "uhsub8">;
3341 // Unsigned Sum of Absolute Differences [and Accumulate].
3343 def USAD8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3344 MulFrm /* for convenience */, NoItinerary, "usad8",
3345 "\t$Rd, $Rn, $Rm", []>,
3346 Requires<[IsARM, HasV6]>, Sched<[WriteALU, ReadALU, ReadALU]> {
3350 let Inst{27-20} = 0b01111000;
3351 let Inst{15-12} = 0b1111;
3352 let Inst{7-4} = 0b0001;
3353 let Inst{19-16} = Rd;
3354 let Inst{11-8} = Rm;
3357 def USADA8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3358 MulFrm /* for convenience */, NoItinerary, "usada8",
3359 "\t$Rd, $Rn, $Rm, $Ra", []>,
3360 Requires<[IsARM, HasV6]>, Sched<[WriteALU, ReadALU, ReadALU]>{
3365 let Inst{27-20} = 0b01111000;
3366 let Inst{7-4} = 0b0001;
3367 let Inst{19-16} = Rd;
3368 let Inst{15-12} = Ra;
3369 let Inst{11-8} = Rm;
3373 // Signed/Unsigned saturate
3375 def SSAT : AI<(outs GPRnopc:$Rd),
3376 (ins imm1_32:$sat_imm, GPRnopc:$Rn, shift_imm:$sh),
3377 SatFrm, NoItinerary, "ssat", "\t$Rd, $sat_imm, $Rn$sh", []> {
3382 let Inst{27-21} = 0b0110101;
3383 let Inst{5-4} = 0b01;
3384 let Inst{20-16} = sat_imm;
3385 let Inst{15-12} = Rd;
3386 let Inst{11-7} = sh{4-0};
3387 let Inst{6} = sh{5};
3391 def SSAT16 : AI<(outs GPRnopc:$Rd),
3392 (ins imm1_16:$sat_imm, GPRnopc:$Rn), SatFrm,
3393 NoItinerary, "ssat16", "\t$Rd, $sat_imm, $Rn", []> {
3397 let Inst{27-20} = 0b01101010;
3398 let Inst{11-4} = 0b11110011;
3399 let Inst{15-12} = Rd;
3400 let Inst{19-16} = sat_imm;
3404 def USAT : AI<(outs GPRnopc:$Rd),
3405 (ins imm0_31:$sat_imm, GPRnopc:$Rn, shift_imm:$sh),
3406 SatFrm, NoItinerary, "usat", "\t$Rd, $sat_imm, $Rn$sh", []> {
3411 let Inst{27-21} = 0b0110111;
3412 let Inst{5-4} = 0b01;
3413 let Inst{15-12} = Rd;
3414 let Inst{11-7} = sh{4-0};
3415 let Inst{6} = sh{5};
3416 let Inst{20-16} = sat_imm;
3420 def USAT16 : AI<(outs GPRnopc:$Rd),
3421 (ins imm0_15:$sat_imm, GPRnopc:$Rn), SatFrm,
3422 NoItinerary, "usat16", "\t$Rd, $sat_imm, $Rn", []> {
3426 let Inst{27-20} = 0b01101110;
3427 let Inst{11-4} = 0b11110011;
3428 let Inst{15-12} = Rd;
3429 let Inst{19-16} = sat_imm;
3433 def : ARMV6Pat<(int_arm_ssat GPRnopc:$a, imm:$pos),
3434 (SSAT imm:$pos, GPRnopc:$a, 0)>;
3435 def : ARMV6Pat<(int_arm_usat GPRnopc:$a, imm:$pos),
3436 (USAT imm:$pos, GPRnopc:$a, 0)>;
3438 //===----------------------------------------------------------------------===//
3439 // Bitwise Instructions.
3442 defm AND : AsI1_bin_irs<0b0000, "and",
3443 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3444 BinOpFrag<(and node:$LHS, node:$RHS)>, 1>;
3445 defm ORR : AsI1_bin_irs<0b1100, "orr",
3446 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3447 BinOpFrag<(or node:$LHS, node:$RHS)>, 1>;
3448 defm EOR : AsI1_bin_irs<0b0001, "eor",
3449 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3450 BinOpFrag<(xor node:$LHS, node:$RHS)>, 1>;
3451 defm BIC : AsI1_bin_irs<0b1110, "bic",
3452 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3453 BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
3455 // FIXME: bf_inv_mask_imm should be two operands, the lsb and the msb, just
3456 // like in the actual instruction encoding. The complexity of mapping the mask
3457 // to the lsb/msb pair should be handled by ISel, not encapsulated in the
3458 // instruction description.
3459 def BFC : I<(outs GPR:$Rd), (ins GPR:$src, bf_inv_mask_imm:$imm),
3460 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3461 "bfc", "\t$Rd, $imm", "$src = $Rd",
3462 [(set GPR:$Rd, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
3463 Requires<[IsARM, HasV6T2]> {
3466 let Inst{27-21} = 0b0111110;
3467 let Inst{6-0} = 0b0011111;
3468 let Inst{15-12} = Rd;
3469 let Inst{11-7} = imm{4-0}; // lsb
3470 let Inst{20-16} = imm{9-5}; // msb
3473 // A8.6.18 BFI - Bitfield insert (Encoding A1)
3474 def BFI:I<(outs GPRnopc:$Rd), (ins GPRnopc:$src, GPR:$Rn, bf_inv_mask_imm:$imm),
3475 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3476 "bfi", "\t$Rd, $Rn, $imm", "$src = $Rd",
3477 [(set GPRnopc:$Rd, (ARMbfi GPRnopc:$src, GPR:$Rn,
3478 bf_inv_mask_imm:$imm))]>,
3479 Requires<[IsARM, HasV6T2]> {
3483 let Inst{27-21} = 0b0111110;
3484 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
3485 let Inst{15-12} = Rd;
3486 let Inst{11-7} = imm{4-0}; // lsb
3487 let Inst{20-16} = imm{9-5}; // width
3491 def MVNr : AsI1<0b1111, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMVNr,
3492 "mvn", "\t$Rd, $Rm",
3493 [(set GPR:$Rd, (not GPR:$Rm))]>, UnaryDP, Sched<[WriteALU]> {
3497 let Inst{19-16} = 0b0000;
3498 let Inst{11-4} = 0b00000000;
3499 let Inst{15-12} = Rd;
3502 def MVNsi : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg_imm:$shift),
3503 DPSoRegImmFrm, IIC_iMVNsr, "mvn", "\t$Rd, $shift",
3504 [(set GPR:$Rd, (not so_reg_imm:$shift))]>, UnaryDP,
3509 let Inst{19-16} = 0b0000;
3510 let Inst{15-12} = Rd;
3511 let Inst{11-5} = shift{11-5};
3513 let Inst{3-0} = shift{3-0};
3515 def MVNsr : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg_reg:$shift),
3516 DPSoRegRegFrm, IIC_iMVNsr, "mvn", "\t$Rd, $shift",
3517 [(set GPR:$Rd, (not so_reg_reg:$shift))]>, UnaryDP,
3522 let Inst{19-16} = 0b0000;
3523 let Inst{15-12} = Rd;
3524 let Inst{11-8} = shift{11-8};
3526 let Inst{6-5} = shift{6-5};
3528 let Inst{3-0} = shift{3-0};
3530 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
3531 def MVNi : AsI1<0b1111, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm,
3532 IIC_iMVNi, "mvn", "\t$Rd, $imm",
3533 [(set GPR:$Rd, so_imm_not:$imm)]>,UnaryDP, Sched<[WriteALU]> {
3537 let Inst{19-16} = 0b0000;
3538 let Inst{15-12} = Rd;
3539 let Inst{11-0} = imm;
3542 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
3543 (BICri GPR:$src, so_imm_not:$imm)>;
3545 //===----------------------------------------------------------------------===//
3546 // Multiply Instructions.
3548 class AsMul1I32<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
3549 string opc, string asm, list<dag> pattern>
3550 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
3554 let Inst{19-16} = Rd;
3555 let Inst{11-8} = Rm;
3558 class AsMul1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
3559 string opc, string asm, list<dag> pattern>
3560 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
3565 let Inst{19-16} = RdHi;
3566 let Inst{15-12} = RdLo;
3567 let Inst{11-8} = Rm;
3570 class AsMla1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
3571 string opc, string asm, list<dag> pattern>
3572 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
3577 let Inst{19-16} = RdHi;
3578 let Inst{15-12} = RdLo;
3579 let Inst{11-8} = Rm;
3583 // FIXME: The v5 pseudos are only necessary for the additional Constraint
3584 // property. Remove them when it's possible to add those properties
3585 // on an individual MachineInstr, not just an instruction description.
3586 let isCommutable = 1, TwoOperandAliasConstraint = "$Rn = $Rd" in {
3587 def MUL : AsMul1I32<0b0000000, (outs GPRnopc:$Rd),
3588 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3589 IIC_iMUL32, "mul", "\t$Rd, $Rn, $Rm",
3590 [(set GPRnopc:$Rd, (mul GPRnopc:$Rn, GPRnopc:$Rm))]>,
3591 Requires<[IsARM, HasV6]> {
3592 let Inst{15-12} = 0b0000;
3593 let Unpredictable{15-12} = 0b1111;
3596 let Constraints = "@earlyclobber $Rd" in
3597 def MULv5: ARMPseudoExpand<(outs GPRnopc:$Rd), (ins GPRnopc:$Rn, GPRnopc:$Rm,
3598 pred:$p, cc_out:$s),
3600 [(set GPRnopc:$Rd, (mul GPRnopc:$Rn, GPRnopc:$Rm))],
3601 (MUL GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p, cc_out:$s)>,
3602 Requires<[IsARM, NoV6, UseMulOps]>;
3605 def MLA : AsMul1I32<0b0000001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3606 IIC_iMAC32, "mla", "\t$Rd, $Rn, $Rm, $Ra",
3607 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
3608 Requires<[IsARM, HasV6, UseMulOps]> {
3610 let Inst{15-12} = Ra;
3613 let Constraints = "@earlyclobber $Rd" in
3614 def MLAv5: ARMPseudoExpand<(outs GPR:$Rd),
3615 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra, pred:$p, cc_out:$s),
3617 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))],
3618 (MLA GPR:$Rd, GPR:$Rn, GPR:$Rm, GPR:$Ra, pred:$p, cc_out:$s)>,
3619 Requires<[IsARM, NoV6]>;
3621 def MLS : AMul1I<0b0000011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3622 IIC_iMAC32, "mls", "\t$Rd, $Rn, $Rm, $Ra",
3623 [(set GPR:$Rd, (sub GPR:$Ra, (mul GPR:$Rn, GPR:$Rm)))]>,
3624 Requires<[IsARM, HasV6T2, UseMulOps]> {
3629 let Inst{19-16} = Rd;
3630 let Inst{15-12} = Ra;
3631 let Inst{11-8} = Rm;
3635 // Extra precision multiplies with low / high results
3636 let neverHasSideEffects = 1 in {
3637 let isCommutable = 1 in {
3638 def SMULL : AsMul1I64<0b0000110, (outs GPR:$RdLo, GPR:$RdHi),
3639 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
3640 "smull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3641 Requires<[IsARM, HasV6]>;
3643 def UMULL : AsMul1I64<0b0000100, (outs GPR:$RdLo, GPR:$RdHi),
3644 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
3645 "umull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3646 Requires<[IsARM, HasV6]>;
3648 let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
3649 def SMULLv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3650 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
3652 (SMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3653 Requires<[IsARM, NoV6]>;
3655 def UMULLv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3656 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
3658 (UMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3659 Requires<[IsARM, NoV6]>;
3663 // Multiply + accumulate
3664 def SMLAL : AsMla1I64<0b0000111, (outs GPR:$RdLo, GPR:$RdHi),
3665 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi), IIC_iMAC64,
3666 "smlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3667 RegConstraint<"$RLo = $RdLo, $RHi = $RdHi">, Requires<[IsARM, HasV6]>;
3668 def UMLAL : AsMla1I64<0b0000101, (outs GPR:$RdLo, GPR:$RdHi),
3669 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi), IIC_iMAC64,
3670 "umlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3671 RegConstraint<"$RLo = $RdLo, $RHi = $RdHi">, Requires<[IsARM, HasV6]>;
3673 def UMAAL : AMul1I <0b0000010, (outs GPR:$RdLo, GPR:$RdHi),
3674 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
3675 "umaal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3676 Requires<[IsARM, HasV6]> {
3681 let Inst{19-16} = RdHi;
3682 let Inst{15-12} = RdLo;
3683 let Inst{11-8} = Rm;
3687 let Constraints = "$RLo = $RdLo,$RHi = $RdHi" in {
3688 def SMLALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3689 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi, pred:$p, cc_out:$s),
3691 (SMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi,
3692 pred:$p, cc_out:$s)>,
3693 Requires<[IsARM, NoV6]>;
3694 def UMLALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3695 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi, pred:$p, cc_out:$s),
3697 (UMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi,
3698 pred:$p, cc_out:$s)>,
3699 Requires<[IsARM, NoV6]>;
3702 let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
3703 def UMAALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3704 (ins GPR:$Rn, GPR:$Rm, pred:$p),
3706 (UMAAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p)>,
3707 Requires<[IsARM, NoV6]>;
3710 } // neverHasSideEffects
3712 // Most significant word multiply
3713 def SMMUL : AMul2I <0b0111010, 0b0001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3714 IIC_iMUL32, "smmul", "\t$Rd, $Rn, $Rm",
3715 [(set GPR:$Rd, (mulhs GPR:$Rn, GPR:$Rm))]>,
3716 Requires<[IsARM, HasV6]> {
3717 let Inst{15-12} = 0b1111;
3720 def SMMULR : AMul2I <0b0111010, 0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3721 IIC_iMUL32, "smmulr", "\t$Rd, $Rn, $Rm", []>,
3722 Requires<[IsARM, HasV6]> {
3723 let Inst{15-12} = 0b1111;
3726 def SMMLA : AMul2Ia <0b0111010, 0b0001, (outs GPR:$Rd),
3727 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3728 IIC_iMAC32, "smmla", "\t$Rd, $Rn, $Rm, $Ra",
3729 [(set GPR:$Rd, (add (mulhs GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
3730 Requires<[IsARM, HasV6, UseMulOps]>;
3732 def SMMLAR : AMul2Ia <0b0111010, 0b0011, (outs GPR:$Rd),
3733 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3734 IIC_iMAC32, "smmlar", "\t$Rd, $Rn, $Rm, $Ra", []>,
3735 Requires<[IsARM, HasV6]>;
3737 def SMMLS : AMul2Ia <0b0111010, 0b1101, (outs GPR:$Rd),
3738 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3739 IIC_iMAC32, "smmls", "\t$Rd, $Rn, $Rm, $Ra", []>,
3740 Requires<[IsARM, HasV6, UseMulOps]>;
3742 def SMMLSR : AMul2Ia <0b0111010, 0b1111, (outs GPR:$Rd),
3743 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3744 IIC_iMAC32, "smmlsr", "\t$Rd, $Rn, $Rm, $Ra", []>,
3745 Requires<[IsARM, HasV6]>;
3747 multiclass AI_smul<string opc, PatFrag opnode> {
3748 def BB : AMulxyI<0b0001011, 0b00, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3749 IIC_iMUL16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm",
3750 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
3751 (sext_inreg GPR:$Rm, i16)))]>,
3752 Requires<[IsARM, HasV5TE]>;
3754 def BT : AMulxyI<0b0001011, 0b10, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3755 IIC_iMUL16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm",
3756 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
3757 (sra GPR:$Rm, (i32 16))))]>,
3758 Requires<[IsARM, HasV5TE]>;
3760 def TB : AMulxyI<0b0001011, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3761 IIC_iMUL16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm",
3762 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
3763 (sext_inreg GPR:$Rm, i16)))]>,
3764 Requires<[IsARM, HasV5TE]>;
3766 def TT : AMulxyI<0b0001011, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3767 IIC_iMUL16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm",
3768 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
3769 (sra GPR:$Rm, (i32 16))))]>,
3770 Requires<[IsARM, HasV5TE]>;
3772 def WB : AMulxyI<0b0001001, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3773 IIC_iMUL16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm",
3774 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
3775 (sext_inreg GPR:$Rm, i16)), (i32 16)))]>,
3776 Requires<[IsARM, HasV5TE]>;
3778 def WT : AMulxyI<0b0001001, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3779 IIC_iMUL16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm",
3780 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
3781 (sra GPR:$Rm, (i32 16))), (i32 16)))]>,
3782 Requires<[IsARM, HasV5TE]>;
3786 multiclass AI_smla<string opc, PatFrag opnode> {
3787 let DecoderMethod = "DecodeSMLAInstruction" in {
3788 def BB : AMulxyIa<0b0001000, 0b00, (outs GPRnopc:$Rd),
3789 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3790 IIC_iMAC16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm, $Ra",
3791 [(set GPRnopc:$Rd, (add GPR:$Ra,
3792 (opnode (sext_inreg GPRnopc:$Rn, i16),
3793 (sext_inreg GPRnopc:$Rm, i16))))]>,
3794 Requires<[IsARM, HasV5TE, UseMulOps]>;
3796 def BT : AMulxyIa<0b0001000, 0b10, (outs GPRnopc:$Rd),
3797 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3798 IIC_iMAC16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm, $Ra",
3800 (add GPR:$Ra, (opnode (sext_inreg GPRnopc:$Rn, i16),
3801 (sra GPRnopc:$Rm, (i32 16)))))]>,
3802 Requires<[IsARM, HasV5TE, UseMulOps]>;
3804 def TB : AMulxyIa<0b0001000, 0b01, (outs GPRnopc:$Rd),
3805 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3806 IIC_iMAC16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm, $Ra",
3808 (add GPR:$Ra, (opnode (sra GPRnopc:$Rn, (i32 16)),
3809 (sext_inreg GPRnopc:$Rm, i16))))]>,
3810 Requires<[IsARM, HasV5TE, UseMulOps]>;
3812 def TT : AMulxyIa<0b0001000, 0b11, (outs GPRnopc:$Rd),
3813 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3814 IIC_iMAC16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm, $Ra",
3816 (add GPR:$Ra, (opnode (sra GPRnopc:$Rn, (i32 16)),
3817 (sra GPRnopc:$Rm, (i32 16)))))]>,
3818 Requires<[IsARM, HasV5TE, UseMulOps]>;
3820 def WB : AMulxyIa<0b0001001, 0b00, (outs GPRnopc:$Rd),
3821 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3822 IIC_iMAC16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm, $Ra",
3824 (add GPR:$Ra, (sra (opnode GPRnopc:$Rn,
3825 (sext_inreg GPRnopc:$Rm, i16)), (i32 16))))]>,
3826 Requires<[IsARM, HasV5TE, UseMulOps]>;
3828 def WT : AMulxyIa<0b0001001, 0b10, (outs GPRnopc:$Rd),
3829 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3830 IIC_iMAC16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm, $Ra",
3832 (add GPR:$Ra, (sra (opnode GPRnopc:$Rn,
3833 (sra GPRnopc:$Rm, (i32 16))), (i32 16))))]>,
3834 Requires<[IsARM, HasV5TE, UseMulOps]>;
3838 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
3839 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
3841 // Halfword multiply accumulate long: SMLAL<x><y>.
3842 def SMLALBB : AMulxyI64<0b0001010, 0b00, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3843 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3844 IIC_iMAC64, "smlalbb", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3845 Requires<[IsARM, HasV5TE]>;
3847 def SMLALBT : AMulxyI64<0b0001010, 0b10, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3848 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3849 IIC_iMAC64, "smlalbt", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3850 Requires<[IsARM, HasV5TE]>;
3852 def SMLALTB : AMulxyI64<0b0001010, 0b01, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3853 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3854 IIC_iMAC64, "smlaltb", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3855 Requires<[IsARM, HasV5TE]>;
3857 def SMLALTT : AMulxyI64<0b0001010, 0b11, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3858 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3859 IIC_iMAC64, "smlaltt", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3860 Requires<[IsARM, HasV5TE]>;
3862 // Helper class for AI_smld.
3863 class AMulDualIbase<bit long, bit sub, bit swap, dag oops, dag iops,
3864 InstrItinClass itin, string opc, string asm>
3865 : AI<oops, iops, MulFrm, itin, opc, asm, []>, Requires<[IsARM, HasV6]> {
3868 let Inst{27-23} = 0b01110;
3869 let Inst{22} = long;
3870 let Inst{21-20} = 0b00;
3871 let Inst{11-8} = Rm;
3878 class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
3879 InstrItinClass itin, string opc, string asm>
3880 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
3882 let Inst{15-12} = 0b1111;
3883 let Inst{19-16} = Rd;
3885 class AMulDualIa<bit long, bit sub, bit swap, dag oops, dag iops,
3886 InstrItinClass itin, string opc, string asm>
3887 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
3890 let Inst{19-16} = Rd;
3891 let Inst{15-12} = Ra;
3893 class AMulDualI64<bit long, bit sub, bit swap, dag oops, dag iops,
3894 InstrItinClass itin, string opc, string asm>
3895 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
3898 let Inst{19-16} = RdHi;
3899 let Inst{15-12} = RdLo;
3902 multiclass AI_smld<bit sub, string opc> {
3904 def D : AMulDualIa<0, sub, 0, (outs GPRnopc:$Rd),
3905 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3906 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm, $Ra">;
3908 def DX: AMulDualIa<0, sub, 1, (outs GPRnopc:$Rd),
3909 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3910 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm, $Ra">;
3912 def LD: AMulDualI64<1, sub, 0, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3913 (ins GPRnopc:$Rn, GPRnopc:$Rm), NoItinerary,
3914 !strconcat(opc, "ld"), "\t$RdLo, $RdHi, $Rn, $Rm">;
3916 def LDX : AMulDualI64<1, sub, 1, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3917 (ins GPRnopc:$Rn, GPRnopc:$Rm), NoItinerary,
3918 !strconcat(opc, "ldx"),"\t$RdLo, $RdHi, $Rn, $Rm">;
3922 defm SMLA : AI_smld<0, "smla">;
3923 defm SMLS : AI_smld<1, "smls">;
3925 multiclass AI_sdml<bit sub, string opc> {
3927 def D:AMulDualI<0, sub, 0, (outs GPRnopc:$Rd), (ins GPRnopc:$Rn, GPRnopc:$Rm),
3928 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm">;
3929 def DX:AMulDualI<0, sub, 1, (outs GPRnopc:$Rd),(ins GPRnopc:$Rn, GPRnopc:$Rm),
3930 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm">;
3933 defm SMUA : AI_sdml<0, "smua">;
3934 defm SMUS : AI_sdml<1, "smus">;
3936 //===----------------------------------------------------------------------===//
3937 // Division Instructions (ARMv7-A with virtualization extension)
3939 def SDIV : ADivA1I<0b001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), IIC_iDIV,
3940 "sdiv", "\t$Rd, $Rn, $Rm",
3941 [(set GPR:$Rd, (sdiv GPR:$Rn, GPR:$Rm))]>,
3942 Requires<[IsARM, HasDivideInARM]>;
3944 def UDIV : ADivA1I<0b011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), IIC_iDIV,
3945 "udiv", "\t$Rd, $Rn, $Rm",
3946 [(set GPR:$Rd, (udiv GPR:$Rn, GPR:$Rm))]>,
3947 Requires<[IsARM, HasDivideInARM]>;
3949 //===----------------------------------------------------------------------===//
3950 // Misc. Arithmetic Instructions.
3953 def CLZ : AMiscA1I<0b000010110, 0b0001, (outs GPR:$Rd), (ins GPR:$Rm),
3954 IIC_iUNAr, "clz", "\t$Rd, $Rm",
3955 [(set GPR:$Rd, (ctlz GPR:$Rm))]>, Requires<[IsARM, HasV5T]>,
3958 def RBIT : AMiscA1I<0b01101111, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
3959 IIC_iUNAr, "rbit", "\t$Rd, $Rm",
3960 [(set GPR:$Rd, (ARMrbit GPR:$Rm))]>,
3961 Requires<[IsARM, HasV6T2]>,
3964 def REV : AMiscA1I<0b01101011, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
3965 IIC_iUNAr, "rev", "\t$Rd, $Rm",
3966 [(set GPR:$Rd, (bswap GPR:$Rm))]>, Requires<[IsARM, HasV6]>,
3969 let AddedComplexity = 5 in
3970 def REV16 : AMiscA1I<0b01101011, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
3971 IIC_iUNAr, "rev16", "\t$Rd, $Rm",
3972 [(set GPR:$Rd, (rotr (bswap GPR:$Rm), (i32 16)))]>,
3973 Requires<[IsARM, HasV6]>,
3976 let AddedComplexity = 5 in
3977 def REVSH : AMiscA1I<0b01101111, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
3978 IIC_iUNAr, "revsh", "\t$Rd, $Rm",
3979 [(set GPR:$Rd, (sra (bswap GPR:$Rm), (i32 16)))]>,
3980 Requires<[IsARM, HasV6]>,
3983 def : ARMV6Pat<(or (sra (shl GPR:$Rm, (i32 24)), (i32 16)),
3984 (and (srl GPR:$Rm, (i32 8)), 0xFF)),
3987 def PKHBT : APKHI<0b01101000, 0, (outs GPRnopc:$Rd),
3988 (ins GPRnopc:$Rn, GPRnopc:$Rm, pkh_lsl_amt:$sh),
3989 IIC_iALUsi, "pkhbt", "\t$Rd, $Rn, $Rm$sh",
3990 [(set GPRnopc:$Rd, (or (and GPRnopc:$Rn, 0xFFFF),
3991 (and (shl GPRnopc:$Rm, pkh_lsl_amt:$sh),
3993 Requires<[IsARM, HasV6]>,
3994 Sched<[WriteALUsi, ReadALU]>;
3996 // Alternate cases for PKHBT where identities eliminate some nodes.
3997 def : ARMV6Pat<(or (and GPRnopc:$Rn, 0xFFFF), (and GPRnopc:$Rm, 0xFFFF0000)),
3998 (PKHBT GPRnopc:$Rn, GPRnopc:$Rm, 0)>;
3999 def : ARMV6Pat<(or (and GPRnopc:$Rn, 0xFFFF), (shl GPRnopc:$Rm, imm16_31:$sh)),
4000 (PKHBT GPRnopc:$Rn, GPRnopc:$Rm, imm16_31:$sh)>;
4002 // Note: Shifts of 1-15 bits will be transformed to srl instead of sra and
4003 // will match the pattern below.
4004 def PKHTB : APKHI<0b01101000, 1, (outs GPRnopc:$Rd),
4005 (ins GPRnopc:$Rn, GPRnopc:$Rm, pkh_asr_amt:$sh),
4006 IIC_iBITsi, "pkhtb", "\t$Rd, $Rn, $Rm$sh",
4007 [(set GPRnopc:$Rd, (or (and GPRnopc:$Rn, 0xFFFF0000),
4008 (and (sra GPRnopc:$Rm, pkh_asr_amt:$sh),
4010 Requires<[IsARM, HasV6]>,
4011 Sched<[WriteALUsi, ReadALU]>;
4013 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
4014 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
4015 // We also can not replace a srl (17..31) by an arithmetic shift we would use in
4016 // pkhtb src1, src2, asr (17..31).
4017 def : ARMV6Pat<(or (and GPRnopc:$src1, 0xFFFF0000),
4018 (srl GPRnopc:$src2, imm16:$sh)),
4019 (PKHTB GPRnopc:$src1, GPRnopc:$src2, imm16:$sh)>;
4020 def : ARMV6Pat<(or (and GPRnopc:$src1, 0xFFFF0000),
4021 (sra GPRnopc:$src2, imm16_31:$sh)),
4022 (PKHTB GPRnopc:$src1, GPRnopc:$src2, imm16_31:$sh)>;
4023 def : ARMV6Pat<(or (and GPRnopc:$src1, 0xFFFF0000),
4024 (and (srl GPRnopc:$src2, imm1_15:$sh), 0xFFFF)),
4025 (PKHTB GPRnopc:$src1, GPRnopc:$src2, imm1_15:$sh)>;
4027 //===----------------------------------------------------------------------===//
4031 // + CRC32{B,H,W} 0x04C11DB7
4032 // + CRC32C{B,H,W} 0x1EDC6F41
4035 class AI_crc32<bit C, bits<2> sz, string suffix, SDPatternOperator builtin>
4036 : AInoP<(outs GPRnopc:$Rd), (ins GPRnopc:$Rn, GPRnopc:$Rm), MiscFrm, NoItinerary,
4037 !strconcat("crc32", suffix), "\t$Rd, $Rn, $Rm",
4038 [(set GPRnopc:$Rd, (builtin GPRnopc:$Rn, GPRnopc:$Rm))]>,
4039 Requires<[IsARM, HasV8, HasCRC]> {
4044 let Inst{31-28} = 0b1110;
4045 let Inst{27-23} = 0b00010;
4046 let Inst{22-21} = sz;
4048 let Inst{19-16} = Rn;
4049 let Inst{15-12} = Rd;
4050 let Inst{11-10} = 0b00;
4053 let Inst{7-4} = 0b0100;
4056 let Unpredictable{11-8} = 0b1101;
4059 def CRC32B : AI_crc32<0, 0b00, "b", int_arm_crc32b>;
4060 def CRC32CB : AI_crc32<1, 0b00, "cb", int_arm_crc32cb>;
4061 def CRC32H : AI_crc32<0, 0b01, "h", int_arm_crc32h>;
4062 def CRC32CH : AI_crc32<1, 0b01, "ch", int_arm_crc32ch>;
4063 def CRC32W : AI_crc32<0, 0b10, "w", int_arm_crc32w>;
4064 def CRC32CW : AI_crc32<1, 0b10, "cw", int_arm_crc32cw>;
4066 //===----------------------------------------------------------------------===//
4067 // Comparison Instructions...
4070 defm CMP : AI1_cmp_irs<0b1010, "cmp",
4071 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
4072 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
4074 // ARMcmpZ can re-use the above instruction definitions.
4075 def : ARMPat<(ARMcmpZ GPR:$src, so_imm:$imm),
4076 (CMPri GPR:$src, so_imm:$imm)>;
4077 def : ARMPat<(ARMcmpZ GPR:$src, GPR:$rhs),
4078 (CMPrr GPR:$src, GPR:$rhs)>;
4079 def : ARMPat<(ARMcmpZ GPR:$src, so_reg_imm:$rhs),
4080 (CMPrsi GPR:$src, so_reg_imm:$rhs)>;
4081 def : ARMPat<(ARMcmpZ GPR:$src, so_reg_reg:$rhs),
4082 (CMPrsr GPR:$src, so_reg_reg:$rhs)>;
4084 // CMN register-integer
4085 let isCompare = 1, Defs = [CPSR] in {
4086 def CMNri : AI1<0b1011, (outs), (ins GPR:$Rn, so_imm:$imm), DPFrm, IIC_iCMPi,
4087 "cmn", "\t$Rn, $imm",
4088 [(ARMcmn GPR:$Rn, so_imm:$imm)]>,
4089 Sched<[WriteCMP, ReadALU]> {
4094 let Inst{19-16} = Rn;
4095 let Inst{15-12} = 0b0000;
4096 let Inst{11-0} = imm;
4098 let Unpredictable{15-12} = 0b1111;
4101 // CMN register-register/shift
4102 def CMNzrr : AI1<0b1011, (outs), (ins GPR:$Rn, GPR:$Rm), DPFrm, IIC_iCMPr,
4103 "cmn", "\t$Rn, $Rm",
4104 [(BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>
4105 GPR:$Rn, GPR:$Rm)]>, Sched<[WriteCMP, ReadALU, ReadALU]> {
4108 let isCommutable = 1;
4111 let Inst{19-16} = Rn;
4112 let Inst{15-12} = 0b0000;
4113 let Inst{11-4} = 0b00000000;
4116 let Unpredictable{15-12} = 0b1111;
4119 def CMNzrsi : AI1<0b1011, (outs),
4120 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm, IIC_iCMPsr,
4121 "cmn", "\t$Rn, $shift",
4122 [(BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>
4123 GPR:$Rn, so_reg_imm:$shift)]>,
4124 Sched<[WriteCMPsi, ReadALU]> {
4129 let Inst{19-16} = Rn;
4130 let Inst{15-12} = 0b0000;
4131 let Inst{11-5} = shift{11-5};
4133 let Inst{3-0} = shift{3-0};
4135 let Unpredictable{15-12} = 0b1111;
4138 def CMNzrsr : AI1<0b1011, (outs),
4139 (ins GPRnopc:$Rn, so_reg_reg:$shift), DPSoRegRegFrm, IIC_iCMPsr,
4140 "cmn", "\t$Rn, $shift",
4141 [(BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>
4142 GPRnopc:$Rn, so_reg_reg:$shift)]>,
4143 Sched<[WriteCMPsr, ReadALU]> {
4148 let Inst{19-16} = Rn;
4149 let Inst{15-12} = 0b0000;
4150 let Inst{11-8} = shift{11-8};
4152 let Inst{6-5} = shift{6-5};
4154 let Inst{3-0} = shift{3-0};
4156 let Unpredictable{15-12} = 0b1111;
4161 def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
4162 (CMNri GPR:$src, so_imm_neg:$imm)>;
4164 def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
4165 (CMNri GPR:$src, so_imm_neg:$imm)>;
4167 // Note that TST/TEQ don't set all the same flags that CMP does!
4168 defm TST : AI1_cmp_irs<0b1000, "tst",
4169 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
4170 BinOpFrag<(ARMcmpZ (and_su node:$LHS, node:$RHS), 0)>, 1>;
4171 defm TEQ : AI1_cmp_irs<0b1001, "teq",
4172 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
4173 BinOpFrag<(ARMcmpZ (xor_su node:$LHS, node:$RHS), 0)>, 1>;
4175 // Pseudo i64 compares for some floating point compares.
4176 let usesCustomInserter = 1, isBranch = 1, isTerminator = 1,
4178 def BCCi64 : PseudoInst<(outs),
4179 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, brtarget:$dst),
4181 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, bb:$dst)]>,
4184 def BCCZi64 : PseudoInst<(outs),
4185 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, brtarget:$dst), IIC_Br,
4186 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, 0, 0, bb:$dst)]>,
4188 } // usesCustomInserter
4191 // Conditional moves
4192 let neverHasSideEffects = 1 in {
4194 let isCommutable = 1, isSelect = 1 in
4195 def MOVCCr : ARMPseudoInst<(outs GPR:$Rd),
4196 (ins GPR:$false, GPR:$Rm, cmovpred:$p),
4198 [(set GPR:$Rd, (ARMcmov GPR:$false, GPR:$Rm,
4200 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4202 def MOVCCsi : ARMPseudoInst<(outs GPR:$Rd),
4203 (ins GPR:$false, so_reg_imm:$shift, cmovpred:$p),
4206 (ARMcmov GPR:$false, so_reg_imm:$shift,
4208 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4209 def MOVCCsr : ARMPseudoInst<(outs GPR:$Rd),
4210 (ins GPR:$false, so_reg_reg:$shift, cmovpred:$p),
4212 [(set GPR:$Rd, (ARMcmov GPR:$false, so_reg_reg:$shift,
4214 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4217 let isMoveImm = 1 in
4219 : ARMPseudoInst<(outs GPR:$Rd),
4220 (ins GPR:$false, imm0_65535_expr:$imm, cmovpred:$p),
4222 [(set GPR:$Rd, (ARMcmov GPR:$false, imm0_65535:$imm,
4224 RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>,
4227 let isMoveImm = 1 in
4228 def MOVCCi : ARMPseudoInst<(outs GPR:$Rd),
4229 (ins GPR:$false, so_imm:$imm, cmovpred:$p),
4231 [(set GPR:$Rd, (ARMcmov GPR:$false, so_imm:$imm,
4233 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4235 // Two instruction predicate mov immediate.
4236 let isMoveImm = 1 in
4238 : ARMPseudoInst<(outs GPR:$Rd),
4239 (ins GPR:$false, i32imm:$src, cmovpred:$p),
4241 [(set GPR:$Rd, (ARMcmov GPR:$false, imm:$src,
4243 RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>;
4245 let isMoveImm = 1 in
4246 def MVNCCi : ARMPseudoInst<(outs GPR:$Rd),
4247 (ins GPR:$false, so_imm:$imm, cmovpred:$p),
4249 [(set GPR:$Rd, (ARMcmov GPR:$false, so_imm_not:$imm,
4251 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4253 } // neverHasSideEffects
4256 //===----------------------------------------------------------------------===//
4257 // Atomic operations intrinsics
4260 def MemBarrierOptOperand : AsmOperandClass {
4261 let Name = "MemBarrierOpt";
4262 let ParserMethod = "parseMemBarrierOptOperand";
4264 def memb_opt : Operand<i32> {
4265 let PrintMethod = "printMemBOption";
4266 let ParserMatchClass = MemBarrierOptOperand;
4267 let DecoderMethod = "DecodeMemBarrierOption";
4270 def InstSyncBarrierOptOperand : AsmOperandClass {
4271 let Name = "InstSyncBarrierOpt";
4272 let ParserMethod = "parseInstSyncBarrierOptOperand";
4274 def instsyncb_opt : Operand<i32> {
4275 let PrintMethod = "printInstSyncBOption";
4276 let ParserMatchClass = InstSyncBarrierOptOperand;
4277 let DecoderMethod = "DecodeInstSyncBarrierOption";
4280 // memory barriers protect the atomic sequences
4281 let hasSideEffects = 1 in {
4282 def DMB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
4283 "dmb", "\t$opt", [(int_arm_dmb (i32 imm0_15:$opt))]>,
4284 Requires<[IsARM, HasDB]> {
4286 let Inst{31-4} = 0xf57ff05;
4287 let Inst{3-0} = opt;
4291 def DSB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
4292 "dsb", "\t$opt", [(int_arm_dsb (i32 imm0_15:$opt))]>,
4293 Requires<[IsARM, HasDB]> {
4295 let Inst{31-4} = 0xf57ff04;
4296 let Inst{3-0} = opt;
4299 // ISB has only full system option
4300 def ISB : AInoP<(outs), (ins instsyncb_opt:$opt), MiscFrm, NoItinerary,
4301 "isb", "\t$opt", []>,
4302 Requires<[IsARM, HasDB]> {
4304 let Inst{31-4} = 0xf57ff06;
4305 let Inst{3-0} = opt;
4308 let usesCustomInserter = 1, Defs = [CPSR] in {
4310 // Pseudo instruction that combines movs + predicated rsbmi
4311 // to implement integer ABS
4312 def ABS : ARMPseudoInst<(outs GPR:$dst), (ins GPR:$src), 8, NoItinerary, []>;
4314 // Atomic pseudo-insts which will be lowered to ldrex/strex loops.
4315 // (64-bit pseudos use a hand-written selection code).
4316 let mayLoad = 1, mayStore = 1 in {
4317 def ATOMIC_LOAD_ADD_I8 : PseudoInst<
4319 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4321 def ATOMIC_LOAD_SUB_I8 : PseudoInst<
4323 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4325 def ATOMIC_LOAD_AND_I8 : PseudoInst<
4327 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4329 def ATOMIC_LOAD_OR_I8 : PseudoInst<
4331 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4333 def ATOMIC_LOAD_XOR_I8 : PseudoInst<
4335 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4337 def ATOMIC_LOAD_NAND_I8 : PseudoInst<
4339 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4341 def ATOMIC_LOAD_MIN_I8 : PseudoInst<
4343 (ins GPR:$ptr, GPR:$val, i32imm:$ordering),
4345 def ATOMIC_LOAD_MAX_I8 : PseudoInst<
4347 (ins GPR:$ptr, GPR:$val, i32imm:$ordering),
4349 def ATOMIC_LOAD_UMIN_I8 : PseudoInst<
4351 (ins GPR:$ptr, GPR:$val, i32imm:$ordering),
4353 def ATOMIC_LOAD_UMAX_I8 : PseudoInst<
4355 (ins GPR:$ptr, GPR:$val, i32imm:$ordering),
4357 def ATOMIC_SWAP_I8 : PseudoInst<
4359 (ins GPR:$ptr, GPR:$new, i32imm:$ordering),
4361 def ATOMIC_CMP_SWAP_I8 : PseudoInst<
4363 (ins GPR:$ptr, GPR:$old, GPR:$new, i32imm:$ordering),
4365 def ATOMIC_LOAD_ADD_I16 : PseudoInst<
4367 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4369 def ATOMIC_LOAD_SUB_I16 : PseudoInst<
4371 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4373 def ATOMIC_LOAD_AND_I16 : PseudoInst<
4375 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4377 def ATOMIC_LOAD_OR_I16 : PseudoInst<
4379 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4381 def ATOMIC_LOAD_XOR_I16 : PseudoInst<
4383 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4385 def ATOMIC_LOAD_NAND_I16 : PseudoInst<
4387 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4389 def ATOMIC_LOAD_MIN_I16 : PseudoInst<
4391 (ins GPR:$ptr, GPR:$val, i32imm:$ordering),
4393 def ATOMIC_LOAD_MAX_I16 : PseudoInst<
4395 (ins GPR:$ptr, GPR:$val, i32imm:$ordering),
4397 def ATOMIC_LOAD_UMIN_I16 : PseudoInst<
4399 (ins GPR:$ptr, GPR:$val, i32imm:$ordering),
4401 def ATOMIC_LOAD_UMAX_I16 : PseudoInst<
4403 (ins GPR:$ptr, GPR:$val, i32imm:$ordering),
4405 def ATOMIC_SWAP_I16 : PseudoInst<
4407 (ins GPR:$ptr, GPR:$new, i32imm:$ordering),
4409 def ATOMIC_CMP_SWAP_I16 : PseudoInst<
4411 (ins GPR:$ptr, GPR:$old, GPR:$new, i32imm:$ordering),
4413 def ATOMIC_LOAD_ADD_I32 : PseudoInst<
4415 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4417 def ATOMIC_LOAD_SUB_I32 : PseudoInst<
4419 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4421 def ATOMIC_LOAD_AND_I32 : PseudoInst<
4423 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4425 def ATOMIC_LOAD_OR_I32 : PseudoInst<
4427 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4429 def ATOMIC_LOAD_XOR_I32 : PseudoInst<
4431 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4433 def ATOMIC_LOAD_NAND_I32 : PseudoInst<
4435 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4437 def ATOMIC_LOAD_MIN_I32 : PseudoInst<
4439 (ins GPR:$ptr, GPR:$val, i32imm:$ordering),
4441 def ATOMIC_LOAD_MAX_I32 : PseudoInst<
4443 (ins GPR:$ptr, GPR:$val, i32imm:$ordering),
4445 def ATOMIC_LOAD_UMIN_I32 : PseudoInst<
4447 (ins GPR:$ptr, GPR:$val, i32imm:$ordering),
4449 def ATOMIC_LOAD_UMAX_I32 : PseudoInst<
4451 (ins GPR:$ptr, GPR:$val, i32imm:$ordering),
4453 def ATOMIC_SWAP_I32 : PseudoInst<
4455 (ins GPR:$ptr, GPR:$new, i32imm:$ordering),
4457 def ATOMIC_CMP_SWAP_I32 : PseudoInst<
4459 (ins GPR:$ptr, GPR:$old, GPR:$new, i32imm:$ordering),
4461 def ATOMIC_LOAD_ADD_I64 : PseudoInst<
4462 (outs GPR:$dst1, GPR:$dst2),
4463 (ins GPR:$addr, GPR:$src1, GPR:$src2, i32imm:$ordering),
4465 def ATOMIC_LOAD_SUB_I64 : PseudoInst<
4466 (outs GPR:$dst1, GPR:$dst2),
4467 (ins GPR:$addr, GPR:$src1, GPR:$src2, i32imm:$ordering),
4469 def ATOMIC_LOAD_AND_I64 : PseudoInst<
4470 (outs GPR:$dst1, GPR:$dst2),
4471 (ins GPR:$addr, GPR:$src1, GPR:$src2, i32imm:$ordering),
4473 def ATOMIC_LOAD_OR_I64 : PseudoInst<
4474 (outs GPR:$dst1, GPR:$dst2),
4475 (ins GPR:$addr, GPR:$src1, GPR:$src2, i32imm:$ordering),
4477 def ATOMIC_LOAD_XOR_I64 : PseudoInst<
4478 (outs GPR:$dst1, GPR:$dst2),
4479 (ins GPR:$addr, GPR:$src1, GPR:$src2, i32imm:$ordering),
4481 def ATOMIC_LOAD_NAND_I64 : PseudoInst<
4482 (outs GPR:$dst1, GPR:$dst2),
4483 (ins GPR:$addr, GPR:$src1, GPR:$src2, i32imm:$ordering),
4485 def ATOMIC_LOAD_MIN_I64 : PseudoInst<
4486 (outs GPR:$dst1, GPR:$dst2),
4487 (ins GPR:$addr, GPR:$src1, GPR:$src2, i32imm:$ordering),
4489 def ATOMIC_LOAD_MAX_I64 : PseudoInst<
4490 (outs GPR:$dst1, GPR:$dst2),
4491 (ins GPR:$addr, GPR:$src1, GPR:$src2, i32imm:$ordering),
4493 def ATOMIC_LOAD_UMIN_I64 : PseudoInst<
4494 (outs GPR:$dst1, GPR:$dst2),
4495 (ins GPR:$addr, GPR:$src1, GPR:$src2, i32imm:$ordering),
4497 def ATOMIC_LOAD_UMAX_I64 : PseudoInst<
4498 (outs GPR:$dst1, GPR:$dst2),
4499 (ins GPR:$addr, GPR:$src1, GPR:$src2, i32imm:$ordering),
4501 def ATOMIC_SWAP_I64 : PseudoInst<
4502 (outs GPR:$dst1, GPR:$dst2),
4503 (ins GPR:$addr, GPR:$src1, GPR:$src2, i32imm:$ordering),
4505 def ATOMIC_CMP_SWAP_I64 : PseudoInst<
4506 (outs GPR:$dst1, GPR:$dst2),
4507 (ins GPR:$addr, GPR:$cmp1, GPR:$cmp2,
4508 GPR:$set1, GPR:$set2, i32imm:$ordering),
4512 def ATOMIC_LOAD_I64 : PseudoInst<
4513 (outs GPR:$dst1, GPR:$dst2),
4514 (ins GPR:$addr, i32imm:$ordering),
4517 def ATOMIC_STORE_I64 : PseudoInst<
4518 (outs GPR:$dst1, GPR:$dst2),
4519 (ins GPR:$addr, GPR:$src1, GPR:$src2, i32imm:$ordering),
4523 let usesCustomInserter = 1 in {
4524 def COPY_STRUCT_BYVAL_I32 : PseudoInst<
4525 (outs), (ins GPR:$dst, GPR:$src, i32imm:$size, i32imm:$alignment),
4527 [(ARMcopystructbyval GPR:$dst, GPR:$src, imm:$size, imm:$alignment)]>;
4530 def ldrex_1 : PatFrag<(ops node:$ptr), (int_arm_ldrex node:$ptr), [{
4531 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i8;
4534 def ldrex_2 : PatFrag<(ops node:$ptr), (int_arm_ldrex node:$ptr), [{
4535 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i16;
4538 def ldrex_4 : PatFrag<(ops node:$ptr), (int_arm_ldrex node:$ptr), [{
4539 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i32;
4542 def strex_1 : PatFrag<(ops node:$val, node:$ptr),
4543 (int_arm_strex node:$val, node:$ptr), [{
4544 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i8;
4547 def strex_2 : PatFrag<(ops node:$val, node:$ptr),
4548 (int_arm_strex node:$val, node:$ptr), [{
4549 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i16;
4552 def strex_4 : PatFrag<(ops node:$val, node:$ptr),
4553 (int_arm_strex node:$val, node:$ptr), [{
4554 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i32;
4557 let mayLoad = 1 in {
4558 def LDREXB : AIldrex<0b10, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4559 NoItinerary, "ldrexb", "\t$Rt, $addr",
4560 [(set GPR:$Rt, (ldrex_1 addr_offset_none:$addr))]>;
4561 def LDREXH : AIldrex<0b11, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4562 NoItinerary, "ldrexh", "\t$Rt, $addr",
4563 [(set GPR:$Rt, (ldrex_2 addr_offset_none:$addr))]>;
4564 def LDREX : AIldrex<0b00, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4565 NoItinerary, "ldrex", "\t$Rt, $addr",
4566 [(set GPR:$Rt, (ldrex_4 addr_offset_none:$addr))]>;
4567 let hasExtraDefRegAllocReq = 1 in
4568 def LDREXD : AIldrex<0b01, (outs GPRPairOp:$Rt),(ins addr_offset_none:$addr),
4569 NoItinerary, "ldrexd", "\t$Rt, $addr", []> {
4570 let DecoderMethod = "DecodeDoubleRegLoad";
4573 def LDAEXB : AIldaex<0b10, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4574 NoItinerary, "ldaexb", "\t$Rt, $addr", []>;
4575 def LDAEXH : AIldaex<0b11, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4576 NoItinerary, "ldaexh", "\t$Rt, $addr", []>;
4577 def LDAEX : AIldaex<0b00, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4578 NoItinerary, "ldaex", "\t$Rt, $addr", []>;
4579 let hasExtraDefRegAllocReq = 1 in
4580 def LDAEXD : AIldaex<0b01, (outs GPRPairOp:$Rt),(ins addr_offset_none:$addr),
4581 NoItinerary, "ldaexd", "\t$Rt, $addr", []> {
4582 let DecoderMethod = "DecodeDoubleRegLoad";
4586 let mayStore = 1, Constraints = "@earlyclobber $Rd" in {
4587 def STREXB: AIstrex<0b10, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4588 NoItinerary, "strexb", "\t$Rd, $Rt, $addr",
4589 [(set GPR:$Rd, (strex_1 GPR:$Rt, addr_offset_none:$addr))]>;
4590 def STREXH: AIstrex<0b11, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4591 NoItinerary, "strexh", "\t$Rd, $Rt, $addr",
4592 [(set GPR:$Rd, (strex_2 GPR:$Rt, addr_offset_none:$addr))]>;
4593 def STREX : AIstrex<0b00, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4594 NoItinerary, "strex", "\t$Rd, $Rt, $addr",
4595 [(set GPR:$Rd, (strex_4 GPR:$Rt, addr_offset_none:$addr))]>;
4596 let hasExtraSrcRegAllocReq = 1 in
4597 def STREXD : AIstrex<0b01, (outs GPR:$Rd),
4598 (ins GPRPairOp:$Rt, addr_offset_none:$addr),
4599 NoItinerary, "strexd", "\t$Rd, $Rt, $addr", []> {
4600 let DecoderMethod = "DecodeDoubleRegStore";
4602 def STLEXB: AIstlex<0b10, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4603 NoItinerary, "stlexb", "\t$Rd, $Rt, $addr",
4605 def STLEXH: AIstlex<0b11, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4606 NoItinerary, "stlexh", "\t$Rd, $Rt, $addr",
4608 def STLEX : AIstlex<0b00, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4609 NoItinerary, "stlex", "\t$Rd, $Rt, $addr",
4611 let hasExtraSrcRegAllocReq = 1 in
4612 def STLEXD : AIstlex<0b01, (outs GPR:$Rd),
4613 (ins GPRPairOp:$Rt, addr_offset_none:$addr),
4614 NoItinerary, "stlexd", "\t$Rd, $Rt, $addr", []> {
4615 let DecoderMethod = "DecodeDoubleRegStore";
4619 def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex",
4621 Requires<[IsARM, HasV7]> {
4622 let Inst{31-0} = 0b11110101011111111111000000011111;
4625 def : ARMPat<(and (ldrex_1 addr_offset_none:$addr), 0xff),
4626 (LDREXB addr_offset_none:$addr)>;
4627 def : ARMPat<(and (ldrex_2 addr_offset_none:$addr), 0xffff),
4628 (LDREXH addr_offset_none:$addr)>;
4629 def : ARMPat<(strex_1 (and GPR:$Rt, 0xff), addr_offset_none:$addr),
4630 (STREXB GPR:$Rt, addr_offset_none:$addr)>;
4631 def : ARMPat<(strex_2 (and GPR:$Rt, 0xffff), addr_offset_none:$addr),
4632 (STREXH GPR:$Rt, addr_offset_none:$addr)>;
4634 class acquiring_load<PatFrag base>
4635 : PatFrag<(ops node:$ptr), (base node:$ptr), [{
4636 AtomicOrdering Ordering = cast<AtomicSDNode>(N)->getOrdering();
4637 return Ordering == Acquire || Ordering == SequentiallyConsistent;
4640 def atomic_load_acquire_8 : acquiring_load<atomic_load_8>;
4641 def atomic_load_acquire_16 : acquiring_load<atomic_load_16>;
4642 def atomic_load_acquire_32 : acquiring_load<atomic_load_32>;
4644 class releasing_store<PatFrag base>
4645 : PatFrag<(ops node:$ptr, node:$val), (base node:$ptr, node:$val), [{
4646 AtomicOrdering Ordering = cast<AtomicSDNode>(N)->getOrdering();
4647 return Ordering == Release || Ordering == SequentiallyConsistent;
4650 def atomic_store_release_8 : releasing_store<atomic_store_8>;
4651 def atomic_store_release_16 : releasing_store<atomic_store_16>;
4652 def atomic_store_release_32 : releasing_store<atomic_store_32>;
4654 let AddedComplexity = 8 in {
4655 def : ARMPat<(atomic_load_acquire_8 addr_offset_none:$addr), (LDAB addr_offset_none:$addr)>;
4656 def : ARMPat<(atomic_load_acquire_16 addr_offset_none:$addr), (LDAH addr_offset_none:$addr)>;
4657 def : ARMPat<(atomic_load_acquire_32 addr_offset_none:$addr), (LDA addr_offset_none:$addr)>;
4658 def : ARMPat<(atomic_store_release_8 addr_offset_none:$addr, GPR:$val), (STLB GPR:$val, addr_offset_none:$addr)>;
4659 def : ARMPat<(atomic_store_release_16 addr_offset_none:$addr, GPR:$val), (STLH GPR:$val, addr_offset_none:$addr)>;
4660 def : ARMPat<(atomic_store_release_32 addr_offset_none:$addr, GPR:$val), (STL GPR:$val, addr_offset_none:$addr)>;
4663 // SWP/SWPB are deprecated in V6/V7.
4664 let mayLoad = 1, mayStore = 1 in {
4665 def SWP : AIswp<0, (outs GPRnopc:$Rt),
4666 (ins GPRnopc:$Rt2, addr_offset_none:$addr), "swp", []>,
4668 def SWPB: AIswp<1, (outs GPRnopc:$Rt),
4669 (ins GPRnopc:$Rt2, addr_offset_none:$addr), "swpb", []>,
4673 //===----------------------------------------------------------------------===//
4674 // Coprocessor Instructions.
4677 def CDP : ABI<0b1110, (outs), (ins p_imm:$cop, imm0_15:$opc1,
4678 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, imm0_7:$opc2),
4679 NoItinerary, "cdp", "\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
4680 [(int_arm_cdp imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
4681 imm:$CRm, imm:$opc2)]>,
4690 let Inst{3-0} = CRm;
4692 let Inst{7-5} = opc2;
4693 let Inst{11-8} = cop;
4694 let Inst{15-12} = CRd;
4695 let Inst{19-16} = CRn;
4696 let Inst{23-20} = opc1;
4699 def CDP2 : ABXI<0b1110, (outs), (ins p_imm:$cop, imm0_15:$opc1,
4700 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, imm0_7:$opc2),
4701 NoItinerary, "cdp2\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
4702 [(int_arm_cdp2 imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
4703 imm:$CRm, imm:$opc2)]>,
4705 let Inst{31-28} = 0b1111;
4713 let Inst{3-0} = CRm;
4715 let Inst{7-5} = opc2;
4716 let Inst{11-8} = cop;
4717 let Inst{15-12} = CRd;
4718 let Inst{19-16} = CRn;
4719 let Inst{23-20} = opc1;
4722 class ACI<dag oops, dag iops, string opc, string asm,
4723 IndexMode im = IndexModeNone>
4724 : I<oops, iops, AddrModeNone, 4, im, BrFrm, NoItinerary,
4726 let Inst{27-25} = 0b110;
4728 class ACInoP<dag oops, dag iops, string opc, string asm,
4729 IndexMode im = IndexModeNone>
4730 : InoP<oops, iops, AddrModeNone, 4, im, BrFrm, NoItinerary,
4732 let Inst{31-28} = 0b1111;
4733 let Inst{27-25} = 0b110;
4735 multiclass LdStCop<bit load, bit Dbit, string asm> {
4736 def _OFFSET : ACI<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5:$addr),
4737 asm, "\t$cop, $CRd, $addr"> {
4741 let Inst{24} = 1; // P = 1
4742 let Inst{23} = addr{8};
4743 let Inst{22} = Dbit;
4744 let Inst{21} = 0; // W = 0
4745 let Inst{20} = load;
4746 let Inst{19-16} = addr{12-9};
4747 let Inst{15-12} = CRd;
4748 let Inst{11-8} = cop;
4749 let Inst{7-0} = addr{7-0};
4750 let DecoderMethod = "DecodeCopMemInstruction";
4752 def _PRE : ACI<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5_pre:$addr),
4753 asm, "\t$cop, $CRd, $addr!", IndexModePre> {
4757 let Inst{24} = 1; // P = 1
4758 let Inst{23} = addr{8};
4759 let Inst{22} = Dbit;
4760 let Inst{21} = 1; // W = 1
4761 let Inst{20} = load;
4762 let Inst{19-16} = addr{12-9};
4763 let Inst{15-12} = CRd;
4764 let Inst{11-8} = cop;
4765 let Inst{7-0} = addr{7-0};
4766 let DecoderMethod = "DecodeCopMemInstruction";
4768 def _POST: ACI<(outs), (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
4769 postidx_imm8s4:$offset),
4770 asm, "\t$cop, $CRd, $addr, $offset", IndexModePost> {
4775 let Inst{24} = 0; // P = 0
4776 let Inst{23} = offset{8};
4777 let Inst{22} = Dbit;
4778 let Inst{21} = 1; // W = 1
4779 let Inst{20} = load;
4780 let Inst{19-16} = addr;
4781 let Inst{15-12} = CRd;
4782 let Inst{11-8} = cop;
4783 let Inst{7-0} = offset{7-0};
4784 let DecoderMethod = "DecodeCopMemInstruction";
4786 def _OPTION : ACI<(outs),
4787 (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
4788 coproc_option_imm:$option),
4789 asm, "\t$cop, $CRd, $addr, $option"> {
4794 let Inst{24} = 0; // P = 0
4795 let Inst{23} = 1; // U = 1
4796 let Inst{22} = Dbit;
4797 let Inst{21} = 0; // W = 0
4798 let Inst{20} = load;
4799 let Inst{19-16} = addr;
4800 let Inst{15-12} = CRd;
4801 let Inst{11-8} = cop;
4802 let Inst{7-0} = option;
4803 let DecoderMethod = "DecodeCopMemInstruction";
4806 multiclass LdSt2Cop<bit load, bit Dbit, string asm> {
4807 def _OFFSET : ACInoP<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5:$addr),
4808 asm, "\t$cop, $CRd, $addr"> {
4812 let Inst{24} = 1; // P = 1
4813 let Inst{23} = addr{8};
4814 let Inst{22} = Dbit;
4815 let Inst{21} = 0; // W = 0
4816 let Inst{20} = load;
4817 let Inst{19-16} = addr{12-9};
4818 let Inst{15-12} = CRd;
4819 let Inst{11-8} = cop;
4820 let Inst{7-0} = addr{7-0};
4821 let DecoderMethod = "DecodeCopMemInstruction";
4823 def _PRE : ACInoP<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5_pre:$addr),
4824 asm, "\t$cop, $CRd, $addr!", IndexModePre> {
4828 let Inst{24} = 1; // P = 1
4829 let Inst{23} = addr{8};
4830 let Inst{22} = Dbit;
4831 let Inst{21} = 1; // W = 1
4832 let Inst{20} = load;
4833 let Inst{19-16} = addr{12-9};
4834 let Inst{15-12} = CRd;
4835 let Inst{11-8} = cop;
4836 let Inst{7-0} = addr{7-0};
4837 let DecoderMethod = "DecodeCopMemInstruction";
4839 def _POST: ACInoP<(outs), (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
4840 postidx_imm8s4:$offset),
4841 asm, "\t$cop, $CRd, $addr, $offset", IndexModePost> {
4846 let Inst{24} = 0; // P = 0
4847 let Inst{23} = offset{8};
4848 let Inst{22} = Dbit;
4849 let Inst{21} = 1; // W = 1
4850 let Inst{20} = load;
4851 let Inst{19-16} = addr;
4852 let Inst{15-12} = CRd;
4853 let Inst{11-8} = cop;
4854 let Inst{7-0} = offset{7-0};
4855 let DecoderMethod = "DecodeCopMemInstruction";
4857 def _OPTION : ACInoP<(outs),
4858 (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
4859 coproc_option_imm:$option),
4860 asm, "\t$cop, $CRd, $addr, $option"> {
4865 let Inst{24} = 0; // P = 0
4866 let Inst{23} = 1; // U = 1
4867 let Inst{22} = Dbit;
4868 let Inst{21} = 0; // W = 0
4869 let Inst{20} = load;
4870 let Inst{19-16} = addr;
4871 let Inst{15-12} = CRd;
4872 let Inst{11-8} = cop;
4873 let Inst{7-0} = option;
4874 let DecoderMethod = "DecodeCopMemInstruction";
4878 defm LDC : LdStCop <1, 0, "ldc">;
4879 defm LDCL : LdStCop <1, 1, "ldcl">;
4880 defm STC : LdStCop <0, 0, "stc">;
4881 defm STCL : LdStCop <0, 1, "stcl">;
4882 defm LDC2 : LdSt2Cop<1, 0, "ldc2">, Requires<[PreV8]>;
4883 defm LDC2L : LdSt2Cop<1, 1, "ldc2l">, Requires<[PreV8]>;
4884 defm STC2 : LdSt2Cop<0, 0, "stc2">, Requires<[PreV8]>;
4885 defm STC2L : LdSt2Cop<0, 1, "stc2l">, Requires<[PreV8]>;
4887 //===----------------------------------------------------------------------===//
4888 // Move between coprocessor and ARM core register.
4891 class MovRCopro<string opc, bit direction, dag oops, dag iops,
4893 : ABI<0b1110, oops, iops, NoItinerary, opc,
4894 "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2", pattern> {
4895 let Inst{20} = direction;
4905 let Inst{15-12} = Rt;
4906 let Inst{11-8} = cop;
4907 let Inst{23-21} = opc1;
4908 let Inst{7-5} = opc2;
4909 let Inst{3-0} = CRm;
4910 let Inst{19-16} = CRn;
4913 def MCR : MovRCopro<"mcr", 0 /* from ARM core register to coprocessor */,
4915 (ins p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
4916 c_imm:$CRm, imm0_7:$opc2),
4917 [(int_arm_mcr imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
4918 imm:$CRm, imm:$opc2)]>,
4919 ComplexDeprecationPredicate<"MCR">;
4920 def : ARMInstAlias<"mcr${p} $cop, $opc1, $Rt, $CRn, $CRm",
4921 (MCR p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
4922 c_imm:$CRm, 0, pred:$p)>;
4923 def MRC : MovRCopro<"mrc", 1 /* from coprocessor to ARM core register */,
4924 (outs GPRwithAPSR:$Rt),
4925 (ins p_imm:$cop, imm0_7:$opc1, c_imm:$CRn, c_imm:$CRm,
4927 def : ARMInstAlias<"mrc${p} $cop, $opc1, $Rt, $CRn, $CRm",
4928 (MRC GPRwithAPSR:$Rt, p_imm:$cop, imm0_7:$opc1, c_imm:$CRn,
4929 c_imm:$CRm, 0, pred:$p)>;
4931 def : ARMPat<(int_arm_mrc imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2),
4932 (MRC imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
4934 class MovRCopro2<string opc, bit direction, dag oops, dag iops,
4936 : ABXI<0b1110, oops, iops, NoItinerary,
4937 !strconcat(opc, "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2"), pattern> {
4938 let Inst{31-24} = 0b11111110;
4939 let Inst{20} = direction;
4949 let Inst{15-12} = Rt;
4950 let Inst{11-8} = cop;
4951 let Inst{23-21} = opc1;
4952 let Inst{7-5} = opc2;
4953 let Inst{3-0} = CRm;
4954 let Inst{19-16} = CRn;
4957 def MCR2 : MovRCopro2<"mcr2", 0 /* from ARM core register to coprocessor */,
4959 (ins p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
4960 c_imm:$CRm, imm0_7:$opc2),
4961 [(int_arm_mcr2 imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
4962 imm:$CRm, imm:$opc2)]>,
4964 def : ARMInstAlias<"mcr2$ $cop, $opc1, $Rt, $CRn, $CRm",
4965 (MCR2 p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
4967 def MRC2 : MovRCopro2<"mrc2", 1 /* from coprocessor to ARM core register */,
4968 (outs GPRwithAPSR:$Rt),
4969 (ins p_imm:$cop, imm0_7:$opc1, c_imm:$CRn, c_imm:$CRm,
4972 def : ARMInstAlias<"mrc2$ $cop, $opc1, $Rt, $CRn, $CRm",
4973 (MRC2 GPRwithAPSR:$Rt, p_imm:$cop, imm0_7:$opc1, c_imm:$CRn,
4976 def : ARMV5TPat<(int_arm_mrc2 imm:$cop, imm:$opc1, imm:$CRn,
4977 imm:$CRm, imm:$opc2),
4978 (MRC2 imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
4980 class MovRRCopro<string opc, bit direction, list<dag> pattern = []>
4981 : ABI<0b1100, (outs), (ins p_imm:$cop, imm0_15:$opc1,
4982 GPRnopc:$Rt, GPRnopc:$Rt2, c_imm:$CRm),
4983 NoItinerary, opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm", pattern> {
4984 let Inst{23-21} = 0b010;
4985 let Inst{20} = direction;
4993 let Inst{15-12} = Rt;
4994 let Inst{19-16} = Rt2;
4995 let Inst{11-8} = cop;
4996 let Inst{7-4} = opc1;
4997 let Inst{3-0} = CRm;
5000 def MCRR : MovRRCopro<"mcrr", 0 /* from ARM core register to coprocessor */,
5001 [(int_arm_mcrr imm:$cop, imm:$opc1, GPRnopc:$Rt,
5002 GPRnopc:$Rt2, imm:$CRm)]>;
5003 def MRRC : MovRRCopro<"mrrc", 1 /* from coprocessor to ARM core register */>;
5005 class MovRRCopro2<string opc, bit direction, list<dag> pattern = []>
5006 : ABXI<0b1100, (outs), (ins p_imm:$cop, imm0_15:$opc1,
5007 GPRnopc:$Rt, GPRnopc:$Rt2, c_imm:$CRm), NoItinerary,
5008 !strconcat(opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm"), pattern>,
5010 let Inst{31-28} = 0b1111;
5011 let Inst{23-21} = 0b010;
5012 let Inst{20} = direction;
5020 let Inst{15-12} = Rt;
5021 let Inst{19-16} = Rt2;
5022 let Inst{11-8} = cop;
5023 let Inst{7-4} = opc1;
5024 let Inst{3-0} = CRm;
5026 let DecoderMethod = "DecodeMRRC2";
5029 def MCRR2 : MovRRCopro2<"mcrr2", 0 /* from ARM core register to coprocessor */,
5030 [(int_arm_mcrr2 imm:$cop, imm:$opc1, GPRnopc:$Rt,
5031 GPRnopc:$Rt2, imm:$CRm)]>;
5032 def MRRC2 : MovRRCopro2<"mrrc2", 1 /* from coprocessor to ARM core register */>;
5034 //===----------------------------------------------------------------------===//
5035 // Move between special register and ARM core register
5038 // Move to ARM core register from Special Register
5039 def MRS : ABI<0b0001, (outs GPRnopc:$Rd), (ins), NoItinerary,
5040 "mrs", "\t$Rd, apsr", []> {
5042 let Inst{23-16} = 0b00001111;
5043 let Unpredictable{19-17} = 0b111;
5045 let Inst{15-12} = Rd;
5047 let Inst{11-0} = 0b000000000000;
5048 let Unpredictable{11-0} = 0b110100001111;
5051 def : InstAlias<"mrs${p} $Rd, cpsr", (MRS GPRnopc:$Rd, pred:$p)>,
5054 // The MRSsys instruction is the MRS instruction from the ARM ARM,
5055 // section B9.3.9, with the R bit set to 1.
5056 def MRSsys : ABI<0b0001, (outs GPRnopc:$Rd), (ins), NoItinerary,
5057 "mrs", "\t$Rd, spsr", []> {
5059 let Inst{23-16} = 0b01001111;
5060 let Unpredictable{19-16} = 0b1111;
5062 let Inst{15-12} = Rd;
5064 let Inst{11-0} = 0b000000000000;
5065 let Unpredictable{11-0} = 0b110100001111;
5068 // Move from ARM core register to Special Register
5070 // No need to have both system and application versions, the encodings are the
5071 // same and the assembly parser has no way to distinguish between them. The mask
5072 // operand contains the special register (R Bit) in bit 4 and bits 3-0 contains
5073 // the mask with the fields to be accessed in the special register.
5074 def MSR : ABI<0b0001, (outs), (ins msr_mask:$mask, GPR:$Rn), NoItinerary,
5075 "msr", "\t$mask, $Rn", []> {
5080 let Inst{22} = mask{4}; // R bit
5081 let Inst{21-20} = 0b10;
5082 let Inst{19-16} = mask{3-0};
5083 let Inst{15-12} = 0b1111;
5084 let Inst{11-4} = 0b00000000;
5088 def MSRi : ABI<0b0011, (outs), (ins msr_mask:$mask, so_imm:$a), NoItinerary,
5089 "msr", "\t$mask, $a", []> {
5094 let Inst{22} = mask{4}; // R bit
5095 let Inst{21-20} = 0b10;
5096 let Inst{19-16} = mask{3-0};
5097 let Inst{15-12} = 0b1111;
5101 //===----------------------------------------------------------------------===//
5105 // __aeabi_read_tp preserves the registers r1-r3.
5106 // This is a pseudo inst so that we can get the encoding right,
5107 // complete with fixup for the aeabi_read_tp function.
5109 Defs = [R0, R12, LR, CPSR], Uses = [SP] in {
5110 def TPsoft : PseudoInst<(outs), (ins), IIC_Br,
5111 [(set R0, ARMthread_pointer)]>, Sched<[WriteBr]>;
5114 //===----------------------------------------------------------------------===//
5115 // SJLJ Exception handling intrinsics
5116 // eh_sjlj_setjmp() is an instruction sequence to store the return
5117 // address and save #0 in R0 for the non-longjmp case.
5118 // Since by its nature we may be coming from some other function to get
5119 // here, and we're using the stack frame for the containing function to
5120 // save/restore registers, we can't keep anything live in regs across
5121 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
5122 // when we get here from a longjmp(). We force everything out of registers
5123 // except for our own input by listing the relevant registers in Defs. By
5124 // doing so, we also cause the prologue/epilogue code to actively preserve
5125 // all of the callee-saved resgisters, which is exactly what we want.
5126 // A constant value is passed in $val, and we use the location as a scratch.
5128 // These are pseudo-instructions and are lowered to individual MC-insts, so
5129 // no encoding information is necessary.
5131 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR,
5132 Q0, Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8, Q9, Q10, Q11, Q12, Q13, Q14, Q15 ],
5133 hasSideEffects = 1, isBarrier = 1, usesCustomInserter = 1 in {
5134 def Int_eh_sjlj_setjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
5136 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
5137 Requires<[IsARM, HasVFP2]>;
5141 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR ],
5142 hasSideEffects = 1, isBarrier = 1, usesCustomInserter = 1 in {
5143 def Int_eh_sjlj_setjmp_nofp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
5145 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
5146 Requires<[IsARM, NoVFP]>;
5149 // FIXME: Non-IOS version(s)
5150 let isBarrier = 1, hasSideEffects = 1, isTerminator = 1,
5151 Defs = [ R7, LR, SP ] in {
5152 def Int_eh_sjlj_longjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$scratch),
5154 [(ARMeh_sjlj_longjmp GPR:$src, GPR:$scratch)]>,
5155 Requires<[IsARM, IsIOS]>;
5158 // eh.sjlj.dispatchsetup pseudo-instruction.
5159 // This pseudo is used for both ARM and Thumb. Any differences are handled when
5160 // the pseudo is expanded (which happens before any passes that need the
5161 // instruction size).
5162 let isBarrier = 1 in
5163 def Int_eh_sjlj_dispatchsetup : PseudoInst<(outs), (ins), NoItinerary, []>;
5166 //===----------------------------------------------------------------------===//
5167 // Non-Instruction Patterns
5170 // ARMv4 indirect branch using (MOVr PC, dst)
5171 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in
5172 def MOVPCRX : ARMPseudoExpand<(outs), (ins GPR:$dst),
5173 4, IIC_Br, [(brind GPR:$dst)],
5174 (MOVr PC, GPR:$dst, (ops 14, zero_reg), zero_reg)>,
5175 Requires<[IsARM, NoV4T]>, Sched<[WriteBr]>;
5177 // Large immediate handling.
5179 // 32-bit immediate using two piece so_imms or movw + movt.
5180 // This is a single pseudo instruction, the benefit is that it can be remat'd
5181 // as a single unit instead of having to handle reg inputs.
5182 // FIXME: Remove this when we can do generalized remat.
5183 let isReMaterializable = 1, isMoveImm = 1 in
5184 def MOVi32imm : PseudoInst<(outs GPR:$dst), (ins i32imm:$src), IIC_iMOVix2,
5185 [(set GPR:$dst, (arm_i32imm:$src))]>,
5188 def LDRLIT_ga_abs : PseudoInst<(outs GPR:$dst), (ins i32imm:$src), IIC_iLoad_i,
5189 [(set GPR:$dst, (ARMWrapper tglobaladdr:$src))]>,
5190 Requires<[IsARM, DontUseMovt]>;
5192 // Pseudo instruction that combines movw + movt + add pc (if PIC).
5193 // It also makes it possible to rematerialize the instructions.
5194 // FIXME: Remove this when we can do generalized remat and when machine licm
5195 // can properly the instructions.
5196 let isReMaterializable = 1 in {
5197 def MOV_ga_pcrel : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
5199 [(set GPR:$dst, (ARMWrapperPIC tglobaladdr:$addr))]>,
5200 Requires<[IsARM, UseMovt]>;
5202 def LDRLIT_ga_pcrel : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
5205 (ARMWrapperPIC tglobaladdr:$addr))]>,
5206 Requires<[IsARM, DontUseMovt]>;
5208 def LDRLIT_ga_pcrel_ldr : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
5211 (load (ARMWrapperPIC tglobaladdr:$addr)))]>,
5212 Requires<[IsARM, DontUseMovt]>;
5214 let AddedComplexity = 10 in
5215 def MOV_ga_pcrel_ldr : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
5217 [(set GPR:$dst, (load (ARMWrapperPIC tglobaladdr:$addr)))]>,
5218 Requires<[IsARM, UseMovt]>;
5219 } // isReMaterializable
5221 // ConstantPool, GlobalAddress, and JumpTable
5222 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
5223 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
5224 Requires<[IsARM, UseMovt]>;
5225 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
5226 (LEApcrelJT tjumptable:$dst, imm:$id)>;
5228 // TODO: add,sub,and, 3-instr forms?
5230 // Tail calls. These patterns also apply to Thumb mode.
5231 def : Pat<(ARMtcret tcGPR:$dst), (TCRETURNri tcGPR:$dst)>;
5232 def : Pat<(ARMtcret (i32 tglobaladdr:$dst)), (TCRETURNdi texternalsym:$dst)>;
5233 def : Pat<(ARMtcret (i32 texternalsym:$dst)), (TCRETURNdi texternalsym:$dst)>;
5236 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>;
5237 def : ARMPat<(ARMcall_nolink texternalsym:$func),
5238 (BMOVPCB_CALL texternalsym:$func)>;
5240 // zextload i1 -> zextload i8
5241 def : ARMPat<(zextloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
5242 def : ARMPat<(zextloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
5244 // extload -> zextload
5245 def : ARMPat<(extloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
5246 def : ARMPat<(extloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
5247 def : ARMPat<(extloadi8 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
5248 def : ARMPat<(extloadi8 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
5250 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
5252 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
5253 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
5256 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
5257 (sra (shl GPR:$b, (i32 16)), (i32 16))),
5258 (SMULBB GPR:$a, GPR:$b)>;
5259 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
5260 (SMULBB GPR:$a, GPR:$b)>;
5261 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
5262 (sra GPR:$b, (i32 16))),
5263 (SMULBT GPR:$a, GPR:$b)>;
5264 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
5265 (SMULBT GPR:$a, GPR:$b)>;
5266 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
5267 (sra (shl GPR:$b, (i32 16)), (i32 16))),
5268 (SMULTB GPR:$a, GPR:$b)>;
5269 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
5270 (SMULTB GPR:$a, GPR:$b)>;
5271 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
5273 (SMULWB GPR:$a, GPR:$b)>;
5274 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
5275 (SMULWB GPR:$a, GPR:$b)>;
5277 def : ARMV5MOPat<(add GPR:$acc,
5278 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
5279 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
5280 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
5281 def : ARMV5MOPat<(add GPR:$acc,
5282 (mul sext_16_node:$a, sext_16_node:$b)),
5283 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
5284 def : ARMV5MOPat<(add GPR:$acc,
5285 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
5286 (sra GPR:$b, (i32 16)))),
5287 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
5288 def : ARMV5MOPat<(add GPR:$acc,
5289 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
5290 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
5291 def : ARMV5MOPat<(add GPR:$acc,
5292 (mul (sra GPR:$a, (i32 16)),
5293 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
5294 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
5295 def : ARMV5MOPat<(add GPR:$acc,
5296 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
5297 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
5298 def : ARMV5MOPat<(add GPR:$acc,
5299 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
5301 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
5302 def : ARMV5MOPat<(add GPR:$acc,
5303 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
5304 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
5307 // Pre-v7 uses MCR for synchronization barriers.
5308 def : ARMPat<(ARMMemBarrierMCR GPR:$zero), (MCR 15, 0, GPR:$zero, 7, 10, 5)>,
5309 Requires<[IsARM, HasV6]>;
5311 // SXT/UXT with no rotate
5312 let AddedComplexity = 16 in {
5313 def : ARMV6Pat<(and GPR:$Src, 0x000000FF), (UXTB GPR:$Src, 0)>;
5314 def : ARMV6Pat<(and GPR:$Src, 0x0000FFFF), (UXTH GPR:$Src, 0)>;
5315 def : ARMV6Pat<(and GPR:$Src, 0x00FF00FF), (UXTB16 GPR:$Src, 0)>;
5316 def : ARMV6Pat<(add GPR:$Rn, (and GPR:$Rm, 0x00FF)),
5317 (UXTAB GPR:$Rn, GPR:$Rm, 0)>;
5318 def : ARMV6Pat<(add GPR:$Rn, (and GPR:$Rm, 0xFFFF)),
5319 (UXTAH GPR:$Rn, GPR:$Rm, 0)>;
5322 def : ARMV6Pat<(sext_inreg GPR:$Src, i8), (SXTB GPR:$Src, 0)>;
5323 def : ARMV6Pat<(sext_inreg GPR:$Src, i16), (SXTH GPR:$Src, 0)>;
5325 def : ARMV6Pat<(add GPR:$Rn, (sext_inreg GPRnopc:$Rm, i8)),
5326 (SXTAB GPR:$Rn, GPRnopc:$Rm, 0)>;
5327 def : ARMV6Pat<(add GPR:$Rn, (sext_inreg GPRnopc:$Rm, i16)),
5328 (SXTAH GPR:$Rn, GPRnopc:$Rm, 0)>;
5330 // Atomic load/store patterns
5331 def : ARMPat<(atomic_load_8 ldst_so_reg:$src),
5332 (LDRBrs ldst_so_reg:$src)>;
5333 def : ARMPat<(atomic_load_8 addrmode_imm12:$src),
5334 (LDRBi12 addrmode_imm12:$src)>;
5335 def : ARMPat<(atomic_load_16 addrmode3:$src),
5336 (LDRH addrmode3:$src)>;
5337 def : ARMPat<(atomic_load_32 ldst_so_reg:$src),
5338 (LDRrs ldst_so_reg:$src)>;
5339 def : ARMPat<(atomic_load_32 addrmode_imm12:$src),
5340 (LDRi12 addrmode_imm12:$src)>;
5341 def : ARMPat<(atomic_store_8 ldst_so_reg:$ptr, GPR:$val),
5342 (STRBrs GPR:$val, ldst_so_reg:$ptr)>;
5343 def : ARMPat<(atomic_store_8 addrmode_imm12:$ptr, GPR:$val),
5344 (STRBi12 GPR:$val, addrmode_imm12:$ptr)>;
5345 def : ARMPat<(atomic_store_16 addrmode3:$ptr, GPR:$val),
5346 (STRH GPR:$val, addrmode3:$ptr)>;
5347 def : ARMPat<(atomic_store_32 ldst_so_reg:$ptr, GPR:$val),
5348 (STRrs GPR:$val, ldst_so_reg:$ptr)>;
5349 def : ARMPat<(atomic_store_32 addrmode_imm12:$ptr, GPR:$val),
5350 (STRi12 GPR:$val, addrmode_imm12:$ptr)>;
5353 //===----------------------------------------------------------------------===//
5357 include "ARMInstrThumb.td"
5359 //===----------------------------------------------------------------------===//
5363 include "ARMInstrThumb2.td"
5365 //===----------------------------------------------------------------------===//
5366 // Floating Point Support
5369 include "ARMInstrVFP.td"
5371 //===----------------------------------------------------------------------===//
5372 // Advanced SIMD (NEON) Support
5375 include "ARMInstrNEON.td"
5377 //===----------------------------------------------------------------------===//
5378 // Assembler aliases
5382 def : InstAlias<"dmb", (DMB 0xf)>, Requires<[IsARM, HasDB]>;
5383 def : InstAlias<"dsb", (DSB 0xf)>, Requires<[IsARM, HasDB]>;
5384 def : InstAlias<"isb", (ISB 0xf)>, Requires<[IsARM, HasDB]>;
5386 // System instructions
5387 def : MnemonicAlias<"swi", "svc">;
5389 // Load / Store Multiple
5390 def : MnemonicAlias<"ldmfd", "ldm">;
5391 def : MnemonicAlias<"ldmia", "ldm">;
5392 def : MnemonicAlias<"ldmea", "ldmdb">;
5393 def : MnemonicAlias<"stmfd", "stmdb">;
5394 def : MnemonicAlias<"stmia", "stm">;
5395 def : MnemonicAlias<"stmea", "stm">;
5397 // PKHBT/PKHTB with default shift amount. PKHTB is equivalent to PKHBT when the
5398 // shift amount is zero (i.e., unspecified).
5399 def : InstAlias<"pkhbt${p} $Rd, $Rn, $Rm",
5400 (PKHBT GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, 0, pred:$p)>,
5401 Requires<[IsARM, HasV6]>;
5402 def : InstAlias<"pkhtb${p} $Rd, $Rn, $Rm",
5403 (PKHBT GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, 0, pred:$p)>,
5404 Requires<[IsARM, HasV6]>;
5406 // PUSH/POP aliases for STM/LDM
5407 def : ARMInstAlias<"push${p} $regs", (STMDB_UPD SP, pred:$p, reglist:$regs)>;
5408 def : ARMInstAlias<"pop${p} $regs", (LDMIA_UPD SP, pred:$p, reglist:$regs)>;
5410 // SSAT/USAT optional shift operand.
5411 def : ARMInstAlias<"ssat${p} $Rd, $sat_imm, $Rn",
5412 (SSAT GPRnopc:$Rd, imm1_32:$sat_imm, GPRnopc:$Rn, 0, pred:$p)>;
5413 def : ARMInstAlias<"usat${p} $Rd, $sat_imm, $Rn",
5414 (USAT GPRnopc:$Rd, imm0_31:$sat_imm, GPRnopc:$Rn, 0, pred:$p)>;
5417 // Extend instruction optional rotate operand.
5418 def : ARMInstAlias<"sxtab${p} $Rd, $Rn, $Rm",
5419 (SXTAB GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5420 def : ARMInstAlias<"sxtah${p} $Rd, $Rn, $Rm",
5421 (SXTAH GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5422 def : ARMInstAlias<"sxtab16${p} $Rd, $Rn, $Rm",
5423 (SXTAB16 GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5424 def : ARMInstAlias<"sxtb${p} $Rd, $Rm",
5425 (SXTB GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5426 def : ARMInstAlias<"sxtb16${p} $Rd, $Rm",
5427 (SXTB16 GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5428 def : ARMInstAlias<"sxth${p} $Rd, $Rm",
5429 (SXTH GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5431 def : ARMInstAlias<"uxtab${p} $Rd, $Rn, $Rm",
5432 (UXTAB GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5433 def : ARMInstAlias<"uxtah${p} $Rd, $Rn, $Rm",
5434 (UXTAH GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5435 def : ARMInstAlias<"uxtab16${p} $Rd, $Rn, $Rm",
5436 (UXTAB16 GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5437 def : ARMInstAlias<"uxtb${p} $Rd, $Rm",
5438 (UXTB GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5439 def : ARMInstAlias<"uxtb16${p} $Rd, $Rm",
5440 (UXTB16 GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5441 def : ARMInstAlias<"uxth${p} $Rd, $Rm",
5442 (UXTH GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5446 def : MnemonicAlias<"rfefa", "rfeda">;
5447 def : MnemonicAlias<"rfeea", "rfedb">;
5448 def : MnemonicAlias<"rfefd", "rfeia">;
5449 def : MnemonicAlias<"rfeed", "rfeib">;
5450 def : MnemonicAlias<"rfe", "rfeia">;
5453 def : MnemonicAlias<"srsfa", "srsib">;
5454 def : MnemonicAlias<"srsea", "srsia">;
5455 def : MnemonicAlias<"srsfd", "srsdb">;
5456 def : MnemonicAlias<"srsed", "srsda">;
5457 def : MnemonicAlias<"srs", "srsia">;
5460 def : MnemonicAlias<"qsubaddx", "qsax">;
5462 def : MnemonicAlias<"saddsubx", "sasx">;
5463 // SHASX == SHADDSUBX
5464 def : MnemonicAlias<"shaddsubx", "shasx">;
5465 // SHSAX == SHSUBADDX
5466 def : MnemonicAlias<"shsubaddx", "shsax">;
5468 def : MnemonicAlias<"ssubaddx", "ssax">;
5470 def : MnemonicAlias<"uaddsubx", "uasx">;
5471 // UHASX == UHADDSUBX
5472 def : MnemonicAlias<"uhaddsubx", "uhasx">;
5473 // UHSAX == UHSUBADDX
5474 def : MnemonicAlias<"uhsubaddx", "uhsax">;
5475 // UQASX == UQADDSUBX
5476 def : MnemonicAlias<"uqaddsubx", "uqasx">;
5477 // UQSAX == UQSUBADDX
5478 def : MnemonicAlias<"uqsubaddx", "uqsax">;
5480 def : MnemonicAlias<"usubaddx", "usax">;
5482 // "mov Rd, so_imm_not" can be handled via "mvn" in assembly, just like
5484 def : ARMInstAlias<"mov${s}${p} $Rd, $imm",
5485 (MVNi rGPR:$Rd, so_imm_not:$imm, pred:$p, cc_out:$s)>;
5486 def : ARMInstAlias<"mvn${s}${p} $Rd, $imm",
5487 (MOVi rGPR:$Rd, so_imm_not:$imm, pred:$p, cc_out:$s)>;
5488 // Same for AND <--> BIC
5489 def : ARMInstAlias<"bic${s}${p} $Rd, $Rn, $imm",
5490 (ANDri rGPR:$Rd, rGPR:$Rn, so_imm_not:$imm,
5491 pred:$p, cc_out:$s)>;
5492 def : ARMInstAlias<"bic${s}${p} $Rdn, $imm",
5493 (ANDri rGPR:$Rdn, rGPR:$Rdn, so_imm_not:$imm,
5494 pred:$p, cc_out:$s)>;
5495 def : ARMInstAlias<"and${s}${p} $Rd, $Rn, $imm",
5496 (BICri rGPR:$Rd, rGPR:$Rn, so_imm_not:$imm,
5497 pred:$p, cc_out:$s)>;
5498 def : ARMInstAlias<"and${s}${p} $Rdn, $imm",
5499 (BICri rGPR:$Rdn, rGPR:$Rdn, so_imm_not:$imm,
5500 pred:$p, cc_out:$s)>;
5502 // Likewise, "add Rd, so_imm_neg" -> sub
5503 def : ARMInstAlias<"add${s}${p} $Rd, $Rn, $imm",
5504 (SUBri GPR:$Rd, GPR:$Rn, so_imm_neg:$imm, pred:$p, cc_out:$s)>;
5505 def : ARMInstAlias<"add${s}${p} $Rd, $imm",
5506 (SUBri GPR:$Rd, GPR:$Rd, so_imm_neg:$imm, pred:$p, cc_out:$s)>;
5507 // Same for CMP <--> CMN via so_imm_neg
5508 def : ARMInstAlias<"cmp${p} $Rd, $imm",
5509 (CMNri rGPR:$Rd, so_imm_neg:$imm, pred:$p)>;
5510 def : ARMInstAlias<"cmn${p} $Rd, $imm",
5511 (CMPri rGPR:$Rd, so_imm_neg:$imm, pred:$p)>;
5513 // The shifter forms of the MOV instruction are aliased to the ASR, LSL,
5514 // LSR, ROR, and RRX instructions.
5515 // FIXME: We need C++ parser hooks to map the alias to the MOV
5516 // encoding. It seems we should be able to do that sort of thing
5517 // in tblgen, but it could get ugly.
5518 let TwoOperandAliasConstraint = "$Rm = $Rd" in {
5519 def ASRi : ARMAsmPseudo<"asr${s}${p} $Rd, $Rm, $imm",
5520 (ins GPR:$Rd, GPR:$Rm, imm0_32:$imm, pred:$p,
5522 def LSRi : ARMAsmPseudo<"lsr${s}${p} $Rd, $Rm, $imm",
5523 (ins GPR:$Rd, GPR:$Rm, imm0_32:$imm, pred:$p,
5525 def LSLi : ARMAsmPseudo<"lsl${s}${p} $Rd, $Rm, $imm",
5526 (ins GPR:$Rd, GPR:$Rm, imm0_31:$imm, pred:$p,
5528 def RORi : ARMAsmPseudo<"ror${s}${p} $Rd, $Rm, $imm",
5529 (ins GPR:$Rd, GPR:$Rm, imm0_31:$imm, pred:$p,
5532 def RRXi : ARMAsmPseudo<"rrx${s}${p} $Rd, $Rm",
5533 (ins GPR:$Rd, GPR:$Rm, pred:$p, cc_out:$s)>;
5534 let TwoOperandAliasConstraint = "$Rn = $Rd" in {
5535 def ASRr : ARMAsmPseudo<"asr${s}${p} $Rd, $Rn, $Rm",
5536 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5538 def LSRr : ARMAsmPseudo<"lsr${s}${p} $Rd, $Rn, $Rm",
5539 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5541 def LSLr : ARMAsmPseudo<"lsl${s}${p} $Rd, $Rn, $Rm",
5542 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5544 def RORr : ARMAsmPseudo<"ror${s}${p} $Rd, $Rn, $Rm",
5545 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5549 // "neg" is and alias for "rsb rd, rn, #0"
5550 def : ARMInstAlias<"neg${s}${p} $Rd, $Rm",
5551 (RSBri GPR:$Rd, GPR:$Rm, 0, pred:$p, cc_out:$s)>;
5553 // Pre-v6, 'mov r0, r0' was used as a NOP encoding.
5554 def : InstAlias<"nop${p}", (MOVr R0, R0, pred:$p, zero_reg)>,
5555 Requires<[IsARM, NoV6]>;
5557 // UMULL/SMULL are available on all arches, but the instruction definitions
5558 // need difference constraints pre-v6. Use these aliases for the assembly
5559 // parsing on pre-v6.
5560 def : InstAlias<"smull${s}${p} $RdLo, $RdHi, $Rn, $Rm",
5561 (SMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
5562 Requires<[IsARM, NoV6]>;
5563 def : InstAlias<"umull${s}${p} $RdLo, $RdHi, $Rn, $Rm",
5564 (UMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
5565 Requires<[IsARM, NoV6]>;
5567 // 'it' blocks in ARM mode just validate the predicates. The IT itself
5569 def ITasm : ARMAsmPseudo<"it$mask $cc", (ins it_pred:$cc, it_mask:$mask)>,
5570 ComplexDeprecationPredicate<"IT">;