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, 2,
37 [SDTCisPtrTy<0>, SDTCisVT<1, i32>]>;
39 def SDT_ARMBr2JT : SDTypeProfile<0, 3,
40 [SDTCisPtrTy<0>, SDTCisVT<1, i32>,
43 def SDT_ARMBCC_i64 : SDTypeProfile<0, 6,
45 SDTCisVT<1, i32>, SDTCisVT<2, i32>,
46 SDTCisVT<3, i32>, SDTCisVT<4, i32>,
47 SDTCisVT<5, OtherVT>]>;
49 def SDT_ARMAnd : SDTypeProfile<1, 2,
50 [SDTCisVT<0, i32>, SDTCisVT<1, i32>,
53 def SDT_ARMCmp : SDTypeProfile<0, 2, [SDTCisSameAs<0, 1>]>;
55 def SDT_ARMPICAdd : SDTypeProfile<1, 2, [SDTCisSameAs<0, 1>,
56 SDTCisPtrTy<1>, SDTCisVT<2, i32>]>;
58 def SDT_ARMThreadPointer : SDTypeProfile<1, 0, [SDTCisPtrTy<0>]>;
59 def SDT_ARMEH_SJLJ_Setjmp : SDTypeProfile<1, 2, [SDTCisInt<0>, SDTCisPtrTy<1>,
61 def SDT_ARMEH_SJLJ_Longjmp: SDTypeProfile<0, 2, [SDTCisPtrTy<0>, SDTCisInt<1>]>;
62 def SDT_ARMEH_SJLJ_SetupDispatch: SDTypeProfile<0, 0, []>;
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", SDTIntUnaryOp>;
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]>;
167 def ARMeh_sjlj_setup_dispatch: SDNode<"ARMISD::EH_SJLJ_SETUP_DISPATCH",
168 SDT_ARMEH_SJLJ_SetupDispatch,
169 [SDNPHasChain, SDNPSideEffect]>;
171 def ARMMemBarrierMCR : SDNode<"ARMISD::MEMBARRIER_MCR", SDT_ARMMEMBARRIER,
172 [SDNPHasChain, SDNPSideEffect]>;
173 def ARMPreload : SDNode<"ARMISD::PRELOAD", SDT_ARMPREFETCH,
174 [SDNPHasChain, SDNPMayLoad, SDNPMayStore]>;
176 def ARMrbit : SDNode<"ARMISD::RBIT", SDTIntUnaryOp>;
178 def ARMtcret : SDNode<"ARMISD::TC_RETURN", SDT_ARMTCRET,
179 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
181 def ARMbfi : SDNode<"ARMISD::BFI", SDT_ARMBFI>;
183 def ARMvmaxnm : SDNode<"ARMISD::VMAXNM", SDT_ARMVMAXNM, []>;
184 def ARMvminnm : SDNode<"ARMISD::VMINNM", SDT_ARMVMINNM, []>;
186 //===----------------------------------------------------------------------===//
187 // ARM Instruction Predicate Definitions.
189 def HasV4T : Predicate<"Subtarget->hasV4TOps()">,
190 AssemblerPredicate<"HasV4TOps", "armv4t">;
191 def NoV4T : Predicate<"!Subtarget->hasV4TOps()">;
192 def HasV5T : Predicate<"Subtarget->hasV5TOps()">,
193 AssemblerPredicate<"HasV5TOps", "armv5t">;
194 def HasV5TE : Predicate<"Subtarget->hasV5TEOps()">,
195 AssemblerPredicate<"HasV5TEOps", "armv5te">;
196 def HasV6 : Predicate<"Subtarget->hasV6Ops()">,
197 AssemblerPredicate<"HasV6Ops", "armv6">;
198 def NoV6 : Predicate<"!Subtarget->hasV6Ops()">;
199 def HasV6M : Predicate<"Subtarget->hasV6MOps()">,
200 AssemblerPredicate<"HasV6MOps",
201 "armv6m or armv6t2">;
202 def HasV6T2 : Predicate<"Subtarget->hasV6T2Ops()">,
203 AssemblerPredicate<"HasV6T2Ops", "armv6t2">;
204 def NoV6T2 : Predicate<"!Subtarget->hasV6T2Ops()">;
205 def HasV6K : Predicate<"Subtarget->hasV6KOps()">,
206 AssemblerPredicate<"HasV6KOps", "armv6k">;
207 def NoV6K : Predicate<"!Subtarget->hasV6KOps()">;
208 def HasV7 : Predicate<"Subtarget->hasV7Ops()">,
209 AssemblerPredicate<"HasV7Ops", "armv7">;
210 def HasV8 : Predicate<"Subtarget->hasV8Ops()">,
211 AssemblerPredicate<"HasV8Ops", "armv8">;
212 def PreV8 : Predicate<"!Subtarget->hasV8Ops()">,
213 AssemblerPredicate<"!HasV8Ops", "armv7 or earlier">;
214 def HasV8_1a : Predicate<"Subtarget->hasV8_1aOps()">,
215 AssemblerPredicate<"HasV8_1aOps", "armv8.1a">;
216 def NoVFP : Predicate<"!Subtarget->hasVFP2()">;
217 def HasVFP2 : Predicate<"Subtarget->hasVFP2()">,
218 AssemblerPredicate<"FeatureVFP2", "VFP2">;
219 def HasVFP3 : Predicate<"Subtarget->hasVFP3()">,
220 AssemblerPredicate<"FeatureVFP3", "VFP3">;
221 def HasVFP4 : Predicate<"Subtarget->hasVFP4()">,
222 AssemblerPredicate<"FeatureVFP4", "VFP4">;
223 def HasDPVFP : Predicate<"!Subtarget->isFPOnlySP()">,
224 AssemblerPredicate<"!FeatureVFPOnlySP",
225 "double precision VFP">;
226 def HasFPARMv8 : Predicate<"Subtarget->hasFPARMv8()">,
227 AssemblerPredicate<"FeatureFPARMv8", "FPARMv8">;
228 def HasNEON : Predicate<"Subtarget->hasNEON()">,
229 AssemblerPredicate<"FeatureNEON", "NEON">;
230 def HasCrypto : Predicate<"Subtarget->hasCrypto()">,
231 AssemblerPredicate<"FeatureCrypto", "crypto">;
232 def HasCRC : Predicate<"Subtarget->hasCRC()">,
233 AssemblerPredicate<"FeatureCRC", "crc">;
234 def HasFP16 : Predicate<"Subtarget->hasFP16()">,
235 AssemblerPredicate<"FeatureFP16","half-float">;
236 def HasDivide : Predicate<"Subtarget->hasDivide()">,
237 AssemblerPredicate<"FeatureHWDiv", "divide in THUMB">;
238 def HasDivideInARM : Predicate<"Subtarget->hasDivideInARMMode()">,
239 AssemblerPredicate<"FeatureHWDivARM", "divide in ARM">;
240 def HasT2ExtractPack : Predicate<"Subtarget->hasT2ExtractPack()">,
241 AssemblerPredicate<"FeatureT2XtPk",
243 def HasThumb2DSP : Predicate<"Subtarget->hasThumb2DSP()">,
244 AssemblerPredicate<"FeatureDSPThumb2",
246 def HasDB : Predicate<"Subtarget->hasDataBarrier()">,
247 AssemblerPredicate<"FeatureDB",
249 def HasMP : Predicate<"Subtarget->hasMPExtension()">,
250 AssemblerPredicate<"FeatureMP",
252 def HasVirtualization: Predicate<"false">,
253 AssemblerPredicate<"FeatureVirtualization",
254 "virtualization-extensions">;
255 def HasTrustZone : Predicate<"Subtarget->hasTrustZone()">,
256 AssemblerPredicate<"FeatureTrustZone",
258 def HasZCZ : Predicate<"Subtarget->hasZeroCycleZeroing()">;
259 def UseNEONForFP : Predicate<"Subtarget->useNEONForSinglePrecisionFP()">;
260 def DontUseNEONForFP : Predicate<"!Subtarget->useNEONForSinglePrecisionFP()">;
261 def IsThumb : Predicate<"Subtarget->isThumb()">,
262 AssemblerPredicate<"ModeThumb", "thumb">;
263 def IsThumb1Only : Predicate<"Subtarget->isThumb1Only()">;
264 def IsThumb2 : Predicate<"Subtarget->isThumb2()">,
265 AssemblerPredicate<"ModeThumb,FeatureThumb2",
267 def IsMClass : Predicate<"Subtarget->isMClass()">,
268 AssemblerPredicate<"FeatureMClass", "armv*m">;
269 def IsNotMClass : Predicate<"!Subtarget->isMClass()">,
270 AssemblerPredicate<"!FeatureMClass",
272 def IsARM : Predicate<"!Subtarget->isThumb()">,
273 AssemblerPredicate<"!ModeThumb", "arm-mode">;
274 def IsMachO : Predicate<"Subtarget->isTargetMachO()">;
275 def IsNotMachO : Predicate<"!Subtarget->isTargetMachO()">;
276 def IsNaCl : Predicate<"Subtarget->isTargetNaCl()">;
277 def UseNaClTrap : Predicate<"Subtarget->useNaClTrap()">,
278 AssemblerPredicate<"FeatureNaClTrap", "NaCl">;
279 def DontUseNaClTrap : Predicate<"!Subtarget->useNaClTrap()">;
281 // FIXME: Eventually this will be just "hasV6T2Ops".
282 def UseMovt : Predicate<"Subtarget->useMovt(*MF)">;
283 def DontUseMovt : Predicate<"!Subtarget->useMovt(*MF)">;
284 def UseFPVMLx : Predicate<"Subtarget->useFPVMLx()">;
285 def UseMulOps : Predicate<"Subtarget->useMulOps()">;
287 // Prefer fused MAC for fp mul + add over fp VMLA / VMLS if they are available.
288 // But only select them if more precision in FP computation is allowed.
289 // Do not use them for Darwin platforms.
290 def UseFusedMAC : Predicate<"(TM.Options.AllowFPOpFusion =="
291 " FPOpFusion::Fast && "
292 " Subtarget->hasVFP4()) && "
293 "!Subtarget->isTargetDarwin()">;
294 def DontUseFusedMAC : Predicate<"!(TM.Options.AllowFPOpFusion =="
295 " FPOpFusion::Fast &&"
296 " Subtarget->hasVFP4()) || "
297 "Subtarget->isTargetDarwin()">;
299 // VGETLNi32 is microcoded on Swift - prefer VMOV.
300 def HasFastVGETLNi32 : Predicate<"!Subtarget->isSwift()">;
301 def HasSlowVGETLNi32 : Predicate<"Subtarget->isSwift()">;
303 // VDUP.32 is microcoded on Swift - prefer VMOV.
304 def HasFastVDUP32 : Predicate<"!Subtarget->isSwift()">;
305 def HasSlowVDUP32 : Predicate<"Subtarget->isSwift()">;
307 // Cortex-A9 prefers VMOVSR to VMOVDRR even when using NEON for scalar FP, as
308 // this allows more effective execution domain optimization. See
309 // setExecutionDomain().
310 def UseVMOVSR : Predicate<"Subtarget->isCortexA9() || !Subtarget->useNEONForSinglePrecisionFP()">;
311 def DontUseVMOVSR : Predicate<"!Subtarget->isCortexA9() && Subtarget->useNEONForSinglePrecisionFP()">;
313 def IsLE : Predicate<"MF->getDataLayout().isLittleEndian()">;
314 def IsBE : Predicate<"MF->getDataLayout().isBigEndian()">;
316 //===----------------------------------------------------------------------===//
317 // ARM Flag Definitions.
319 class RegConstraint<string C> {
320 string Constraints = C;
323 //===----------------------------------------------------------------------===//
324 // ARM specific transformation functions and pattern fragments.
327 // imm_neg_XFORM - Return the negation of an i32 immediate value.
328 def imm_neg_XFORM : SDNodeXForm<imm, [{
329 return CurDAG->getTargetConstant(-(int)N->getZExtValue(), SDLoc(N), MVT::i32);
332 // imm_not_XFORM - Return the complement of a i32 immediate value.
333 def imm_not_XFORM : SDNodeXForm<imm, [{
334 return CurDAG->getTargetConstant(~(int)N->getZExtValue(), SDLoc(N), MVT::i32);
337 /// imm16_31 predicate - True if the 32-bit immediate is in the range [16,31].
338 def imm16_31 : ImmLeaf<i32, [{
339 return (int32_t)Imm >= 16 && (int32_t)Imm < 32;
342 // sext_16_node predicate - True if the SDNode is sign-extended 16 or more bits.
343 def sext_16_node : PatLeaf<(i32 GPR:$a), [{
344 return CurDAG->ComputeNumSignBits(SDValue(N,0)) >= 17;
347 /// Split a 32-bit immediate into two 16 bit parts.
348 def hi16 : SDNodeXForm<imm, [{
349 return CurDAG->getTargetConstant((uint32_t)N->getZExtValue() >> 16, SDLoc(N),
353 def lo16AllZero : PatLeaf<(i32 imm), [{
354 // Returns true if all low 16-bits are 0.
355 return (((uint32_t)N->getZExtValue()) & 0xFFFFUL) == 0;
358 class BinOpWithFlagFrag<dag res> :
359 PatFrag<(ops node:$LHS, node:$RHS, node:$FLAG), res>;
360 class BinOpFrag<dag res> : PatFrag<(ops node:$LHS, node:$RHS), res>;
361 class UnOpFrag <dag res> : PatFrag<(ops node:$Src), res>;
363 // An 'and' node with a single use.
364 def and_su : PatFrag<(ops node:$lhs, node:$rhs), (and node:$lhs, node:$rhs), [{
365 return N->hasOneUse();
368 // An 'xor' node with a single use.
369 def xor_su : PatFrag<(ops node:$lhs, node:$rhs), (xor node:$lhs, node:$rhs), [{
370 return N->hasOneUse();
373 // An 'fmul' node with a single use.
374 def fmul_su : PatFrag<(ops node:$lhs, node:$rhs), (fmul node:$lhs, node:$rhs),[{
375 return N->hasOneUse();
378 // An 'fadd' node which checks for single non-hazardous use.
379 def fadd_mlx : PatFrag<(ops node:$lhs, node:$rhs),(fadd node:$lhs, node:$rhs),[{
380 return hasNoVMLxHazardUse(N);
383 // An 'fsub' node which checks for single non-hazardous use.
384 def fsub_mlx : PatFrag<(ops node:$lhs, node:$rhs),(fsub node:$lhs, node:$rhs),[{
385 return hasNoVMLxHazardUse(N);
388 //===----------------------------------------------------------------------===//
389 // Operand Definitions.
392 // Immediate operands with a shared generic asm render method.
393 class ImmAsmOperand : AsmOperandClass { let RenderMethod = "addImmOperands"; }
395 // Operands that are part of a memory addressing mode.
396 class MemOperand : Operand<i32> { let OperandType = "OPERAND_MEMORY"; }
399 // FIXME: rename brtarget to t2_brtarget
400 def brtarget : Operand<OtherVT> {
401 let EncoderMethod = "getBranchTargetOpValue";
402 let OperandType = "OPERAND_PCREL";
403 let DecoderMethod = "DecodeT2BROperand";
406 // FIXME: get rid of this one?
407 def uncondbrtarget : Operand<OtherVT> {
408 let EncoderMethod = "getUnconditionalBranchTargetOpValue";
409 let OperandType = "OPERAND_PCREL";
412 // Branch target for ARM. Handles conditional/unconditional
413 def br_target : Operand<OtherVT> {
414 let EncoderMethod = "getARMBranchTargetOpValue";
415 let OperandType = "OPERAND_PCREL";
419 // FIXME: rename bltarget to t2_bl_target?
420 def bltarget : Operand<i32> {
421 // Encoded the same as branch targets.
422 let EncoderMethod = "getBranchTargetOpValue";
423 let OperandType = "OPERAND_PCREL";
426 // Call target for ARM. Handles conditional/unconditional
427 // FIXME: rename bl_target to t2_bltarget?
428 def bl_target : Operand<i32> {
429 let EncoderMethod = "getARMBLTargetOpValue";
430 let OperandType = "OPERAND_PCREL";
433 def blx_target : Operand<i32> {
434 let EncoderMethod = "getARMBLXTargetOpValue";
435 let OperandType = "OPERAND_PCREL";
438 // A list of registers separated by comma. Used by load/store multiple.
439 def RegListAsmOperand : AsmOperandClass { let Name = "RegList"; }
440 def reglist : Operand<i32> {
441 let EncoderMethod = "getRegisterListOpValue";
442 let ParserMatchClass = RegListAsmOperand;
443 let PrintMethod = "printRegisterList";
444 let DecoderMethod = "DecodeRegListOperand";
447 def GPRPairOp : RegisterOperand<GPRPair, "printGPRPairOperand">;
449 def DPRRegListAsmOperand : AsmOperandClass { let Name = "DPRRegList"; }
450 def dpr_reglist : Operand<i32> {
451 let EncoderMethod = "getRegisterListOpValue";
452 let ParserMatchClass = DPRRegListAsmOperand;
453 let PrintMethod = "printRegisterList";
454 let DecoderMethod = "DecodeDPRRegListOperand";
457 def SPRRegListAsmOperand : AsmOperandClass { let Name = "SPRRegList"; }
458 def spr_reglist : Operand<i32> {
459 let EncoderMethod = "getRegisterListOpValue";
460 let ParserMatchClass = SPRRegListAsmOperand;
461 let PrintMethod = "printRegisterList";
462 let DecoderMethod = "DecodeSPRRegListOperand";
465 // An operand for the CONSTPOOL_ENTRY pseudo-instruction.
466 def cpinst_operand : Operand<i32> {
467 let PrintMethod = "printCPInstOperand";
471 def pclabel : Operand<i32> {
472 let PrintMethod = "printPCLabel";
475 // ADR instruction labels.
476 def AdrLabelAsmOperand : AsmOperandClass { let Name = "AdrLabel"; }
477 def adrlabel : Operand<i32> {
478 let EncoderMethod = "getAdrLabelOpValue";
479 let ParserMatchClass = AdrLabelAsmOperand;
480 let PrintMethod = "printAdrLabelOperand<0>";
483 def neon_vcvt_imm32 : Operand<i32> {
484 let EncoderMethod = "getNEONVcvtImm32OpValue";
485 let DecoderMethod = "DecodeVCVTImmOperand";
488 // rot_imm: An integer that encodes a rotate amount. Must be 8, 16, or 24.
489 def rot_imm_XFORM: SDNodeXForm<imm, [{
490 switch (N->getZExtValue()){
491 default: llvm_unreachable(nullptr);
492 case 0: return CurDAG->getTargetConstant(0, SDLoc(N), MVT::i32);
493 case 8: return CurDAG->getTargetConstant(1, SDLoc(N), MVT::i32);
494 case 16: return CurDAG->getTargetConstant(2, SDLoc(N), MVT::i32);
495 case 24: return CurDAG->getTargetConstant(3, SDLoc(N), MVT::i32);
498 def RotImmAsmOperand : AsmOperandClass {
500 let ParserMethod = "parseRotImm";
502 def rot_imm : Operand<i32>, PatLeaf<(i32 imm), [{
503 int32_t v = N->getZExtValue();
504 return v == 8 || v == 16 || v == 24; }],
506 let PrintMethod = "printRotImmOperand";
507 let ParserMatchClass = RotImmAsmOperand;
510 // shift_imm: An integer that encodes a shift amount and the type of shift
511 // (asr or lsl). The 6-bit immediate encodes as:
514 // {4-0} imm5 shift amount.
515 // asr #32 encoded as imm5 == 0.
516 def ShifterImmAsmOperand : AsmOperandClass {
517 let Name = "ShifterImm";
518 let ParserMethod = "parseShifterImm";
520 def shift_imm : Operand<i32> {
521 let PrintMethod = "printShiftImmOperand";
522 let ParserMatchClass = ShifterImmAsmOperand;
525 // shifter_operand operands: so_reg_reg, so_reg_imm, and mod_imm.
526 def ShiftedRegAsmOperand : AsmOperandClass { let Name = "RegShiftedReg"; }
527 def so_reg_reg : Operand<i32>, // reg reg imm
528 ComplexPattern<i32, 3, "SelectRegShifterOperand",
529 [shl, srl, sra, rotr]> {
530 let EncoderMethod = "getSORegRegOpValue";
531 let PrintMethod = "printSORegRegOperand";
532 let DecoderMethod = "DecodeSORegRegOperand";
533 let ParserMatchClass = ShiftedRegAsmOperand;
534 let MIOperandInfo = (ops GPRnopc, GPRnopc, i32imm);
537 def ShiftedImmAsmOperand : AsmOperandClass { let Name = "RegShiftedImm"; }
538 def so_reg_imm : Operand<i32>, // reg imm
539 ComplexPattern<i32, 2, "SelectImmShifterOperand",
540 [shl, srl, sra, rotr]> {
541 let EncoderMethod = "getSORegImmOpValue";
542 let PrintMethod = "printSORegImmOperand";
543 let DecoderMethod = "DecodeSORegImmOperand";
544 let ParserMatchClass = ShiftedImmAsmOperand;
545 let MIOperandInfo = (ops GPR, i32imm);
548 // FIXME: Does this need to be distinct from so_reg?
549 def shift_so_reg_reg : Operand<i32>, // reg reg imm
550 ComplexPattern<i32, 3, "SelectShiftRegShifterOperand",
551 [shl,srl,sra,rotr]> {
552 let EncoderMethod = "getSORegRegOpValue";
553 let PrintMethod = "printSORegRegOperand";
554 let DecoderMethod = "DecodeSORegRegOperand";
555 let ParserMatchClass = ShiftedRegAsmOperand;
556 let MIOperandInfo = (ops GPR, GPR, i32imm);
559 // FIXME: Does this need to be distinct from so_reg?
560 def shift_so_reg_imm : Operand<i32>, // reg reg imm
561 ComplexPattern<i32, 2, "SelectShiftImmShifterOperand",
562 [shl,srl,sra,rotr]> {
563 let EncoderMethod = "getSORegImmOpValue";
564 let PrintMethod = "printSORegImmOperand";
565 let DecoderMethod = "DecodeSORegImmOperand";
566 let ParserMatchClass = ShiftedImmAsmOperand;
567 let MIOperandInfo = (ops GPR, i32imm);
570 // mod_imm: match a 32-bit immediate operand, which can be encoded into
571 // a 12-bit immediate; an 8-bit integer and a 4-bit rotator (See ARMARM
572 // - "Modified Immediate Constants"). Within the MC layer we keep this
573 // immediate in its encoded form.
574 def ModImmAsmOperand: AsmOperandClass {
576 let ParserMethod = "parseModImm";
578 def mod_imm : Operand<i32>, ImmLeaf<i32, [{
579 return ARM_AM::getSOImmVal(Imm) != -1;
581 let EncoderMethod = "getModImmOpValue";
582 let PrintMethod = "printModImmOperand";
583 let ParserMatchClass = ModImmAsmOperand;
586 // Note: the patterns mod_imm_not and mod_imm_neg do not require an encoder
587 // method and such, as they are only used on aliases (Pat<> and InstAlias<>).
588 // The actual parsing, encoding, decoding are handled by the destination
589 // instructions, which use mod_imm.
591 def ModImmNotAsmOperand : AsmOperandClass { let Name = "ModImmNot"; }
592 def mod_imm_not : Operand<i32>, PatLeaf<(imm), [{
593 return ARM_AM::getSOImmVal(~(uint32_t)N->getZExtValue()) != -1;
595 let ParserMatchClass = ModImmNotAsmOperand;
598 def ModImmNegAsmOperand : AsmOperandClass { let Name = "ModImmNeg"; }
599 def mod_imm_neg : Operand<i32>, PatLeaf<(imm), [{
600 unsigned Value = -(unsigned)N->getZExtValue();
601 return Value && ARM_AM::getSOImmVal(Value) != -1;
603 let ParserMatchClass = ModImmNegAsmOperand;
606 /// arm_i32imm - True for +V6T2, or when isSOImmTwoParVal()
607 def arm_i32imm : PatLeaf<(imm), [{
608 if (Subtarget->useMovt(*MF))
610 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
613 /// imm0_1 predicate - Immediate in the range [0,1].
614 def Imm0_1AsmOperand: ImmAsmOperand { let Name = "Imm0_1"; }
615 def imm0_1 : Operand<i32> { let ParserMatchClass = Imm0_1AsmOperand; }
617 /// imm0_3 predicate - Immediate in the range [0,3].
618 def Imm0_3AsmOperand: ImmAsmOperand { let Name = "Imm0_3"; }
619 def imm0_3 : Operand<i32> { let ParserMatchClass = Imm0_3AsmOperand; }
621 /// imm0_7 predicate - Immediate in the range [0,7].
622 def Imm0_7AsmOperand: ImmAsmOperand { let Name = "Imm0_7"; }
623 def imm0_7 : Operand<i32>, ImmLeaf<i32, [{
624 return Imm >= 0 && Imm < 8;
626 let ParserMatchClass = Imm0_7AsmOperand;
629 /// imm8 predicate - Immediate is exactly 8.
630 def Imm8AsmOperand: ImmAsmOperand { let Name = "Imm8"; }
631 def imm8 : Operand<i32>, ImmLeaf<i32, [{ return Imm == 8; }]> {
632 let ParserMatchClass = Imm8AsmOperand;
635 /// imm16 predicate - Immediate is exactly 16.
636 def Imm16AsmOperand: ImmAsmOperand { let Name = "Imm16"; }
637 def imm16 : Operand<i32>, ImmLeaf<i32, [{ return Imm == 16; }]> {
638 let ParserMatchClass = Imm16AsmOperand;
641 /// imm32 predicate - Immediate is exactly 32.
642 def Imm32AsmOperand: ImmAsmOperand { let Name = "Imm32"; }
643 def imm32 : Operand<i32>, ImmLeaf<i32, [{ return Imm == 32; }]> {
644 let ParserMatchClass = Imm32AsmOperand;
647 def imm8_or_16 : ImmLeaf<i32, [{ return Imm == 8 || Imm == 16;}]>;
649 /// imm1_7 predicate - Immediate in the range [1,7].
650 def Imm1_7AsmOperand: ImmAsmOperand { let Name = "Imm1_7"; }
651 def imm1_7 : Operand<i32>, ImmLeaf<i32, [{ return Imm > 0 && Imm < 8; }]> {
652 let ParserMatchClass = Imm1_7AsmOperand;
655 /// imm1_15 predicate - Immediate in the range [1,15].
656 def Imm1_15AsmOperand: ImmAsmOperand { let Name = "Imm1_15"; }
657 def imm1_15 : Operand<i32>, ImmLeaf<i32, [{ return Imm > 0 && Imm < 16; }]> {
658 let ParserMatchClass = Imm1_15AsmOperand;
661 /// imm1_31 predicate - Immediate in the range [1,31].
662 def Imm1_31AsmOperand: ImmAsmOperand { let Name = "Imm1_31"; }
663 def imm1_31 : Operand<i32>, ImmLeaf<i32, [{ return Imm > 0 && Imm < 32; }]> {
664 let ParserMatchClass = Imm1_31AsmOperand;
667 /// imm0_15 predicate - Immediate in the range [0,15].
668 def Imm0_15AsmOperand: ImmAsmOperand {
669 let Name = "Imm0_15";
670 let DiagnosticType = "ImmRange0_15";
672 def imm0_15 : Operand<i32>, ImmLeaf<i32, [{
673 return Imm >= 0 && Imm < 16;
675 let ParserMatchClass = Imm0_15AsmOperand;
678 /// imm0_31 predicate - True if the 32-bit immediate is in the range [0,31].
679 def Imm0_31AsmOperand: ImmAsmOperand { let Name = "Imm0_31"; }
680 def imm0_31 : Operand<i32>, ImmLeaf<i32, [{
681 return Imm >= 0 && Imm < 32;
683 let ParserMatchClass = Imm0_31AsmOperand;
686 /// imm0_32 predicate - True if the 32-bit immediate is in the range [0,32].
687 def Imm0_32AsmOperand: ImmAsmOperand { let Name = "Imm0_32"; }
688 def imm0_32 : Operand<i32>, ImmLeaf<i32, [{
689 return Imm >= 0 && Imm < 32;
691 let ParserMatchClass = Imm0_32AsmOperand;
694 /// imm0_63 predicate - True if the 32-bit immediate is in the range [0,63].
695 def Imm0_63AsmOperand: ImmAsmOperand { let Name = "Imm0_63"; }
696 def imm0_63 : Operand<i32>, ImmLeaf<i32, [{
697 return Imm >= 0 && Imm < 64;
699 let ParserMatchClass = Imm0_63AsmOperand;
702 /// imm0_239 predicate - Immediate in the range [0,239].
703 def Imm0_239AsmOperand : ImmAsmOperand {
704 let Name = "Imm0_239";
705 let DiagnosticType = "ImmRange0_239";
707 def imm0_239 : Operand<i32>, ImmLeaf<i32, [{ return Imm >= 0 && Imm < 240; }]> {
708 let ParserMatchClass = Imm0_239AsmOperand;
711 /// imm0_255 predicate - Immediate in the range [0,255].
712 def Imm0_255AsmOperand : ImmAsmOperand { let Name = "Imm0_255"; }
713 def imm0_255 : Operand<i32>, ImmLeaf<i32, [{ return Imm >= 0 && Imm < 256; }]> {
714 let ParserMatchClass = Imm0_255AsmOperand;
717 /// imm0_65535 - An immediate is in the range [0.65535].
718 def Imm0_65535AsmOperand: ImmAsmOperand { let Name = "Imm0_65535"; }
719 def imm0_65535 : Operand<i32>, ImmLeaf<i32, [{
720 return Imm >= 0 && Imm < 65536;
722 let ParserMatchClass = Imm0_65535AsmOperand;
725 // imm0_65535_neg - An immediate whose negative value is in the range [0.65535].
726 def imm0_65535_neg : Operand<i32>, ImmLeaf<i32, [{
727 return -Imm >= 0 && -Imm < 65536;
730 // imm0_65535_expr - For movt/movw - 16-bit immediate that can also reference
731 // a relocatable expression.
733 // FIXME: This really needs a Thumb version separate from the ARM version.
734 // While the range is the same, and can thus use the same match class,
735 // the encoding is different so it should have a different encoder method.
736 def Imm0_65535ExprAsmOperand: ImmAsmOperand { let Name = "Imm0_65535Expr"; }
737 def imm0_65535_expr : Operand<i32> {
738 let EncoderMethod = "getHiLo16ImmOpValue";
739 let ParserMatchClass = Imm0_65535ExprAsmOperand;
742 def Imm256_65535ExprAsmOperand: ImmAsmOperand { let Name = "Imm256_65535Expr"; }
743 def imm256_65535_expr : Operand<i32> {
744 let ParserMatchClass = Imm256_65535ExprAsmOperand;
747 /// imm24b - True if the 32-bit immediate is encodable in 24 bits.
748 def Imm24bitAsmOperand: ImmAsmOperand { let Name = "Imm24bit"; }
749 def imm24b : Operand<i32>, ImmLeaf<i32, [{
750 return Imm >= 0 && Imm <= 0xffffff;
752 let ParserMatchClass = Imm24bitAsmOperand;
756 /// bf_inv_mask_imm predicate - An AND mask to clear an arbitrary width bitfield
758 def BitfieldAsmOperand : AsmOperandClass {
759 let Name = "Bitfield";
760 let ParserMethod = "parseBitfield";
763 def bf_inv_mask_imm : Operand<i32>,
765 return ARM::isBitFieldInvertedMask(N->getZExtValue());
767 let EncoderMethod = "getBitfieldInvertedMaskOpValue";
768 let PrintMethod = "printBitfieldInvMaskImmOperand";
769 let DecoderMethod = "DecodeBitfieldMaskOperand";
770 let ParserMatchClass = BitfieldAsmOperand;
773 def imm1_32_XFORM: SDNodeXForm<imm, [{
774 return CurDAG->getTargetConstant((int)N->getZExtValue() - 1, SDLoc(N),
777 def Imm1_32AsmOperand: AsmOperandClass { let Name = "Imm1_32"; }
778 def imm1_32 : Operand<i32>, PatLeaf<(imm), [{
779 uint64_t Imm = N->getZExtValue();
780 return Imm > 0 && Imm <= 32;
783 let PrintMethod = "printImmPlusOneOperand";
784 let ParserMatchClass = Imm1_32AsmOperand;
787 def imm1_16_XFORM: SDNodeXForm<imm, [{
788 return CurDAG->getTargetConstant((int)N->getZExtValue() - 1, SDLoc(N),
791 def Imm1_16AsmOperand: AsmOperandClass { let Name = "Imm1_16"; }
792 def imm1_16 : Operand<i32>, PatLeaf<(imm), [{ return Imm > 0 && Imm <= 16; }],
794 let PrintMethod = "printImmPlusOneOperand";
795 let ParserMatchClass = Imm1_16AsmOperand;
798 // Define ARM specific addressing modes.
799 // addrmode_imm12 := reg +/- imm12
801 def MemImm12OffsetAsmOperand : AsmOperandClass { let Name = "MemImm12Offset"; }
802 class AddrMode_Imm12 : MemOperand,
803 ComplexPattern<i32, 2, "SelectAddrModeImm12", []> {
804 // 12-bit immediate operand. Note that instructions using this encode
805 // #0 and #-0 differently. We flag #-0 as the magic value INT32_MIN. All other
806 // immediate values are as normal.
808 let EncoderMethod = "getAddrModeImm12OpValue";
809 let DecoderMethod = "DecodeAddrModeImm12Operand";
810 let ParserMatchClass = MemImm12OffsetAsmOperand;
811 let MIOperandInfo = (ops GPR:$base, i32imm:$offsimm);
814 def addrmode_imm12 : AddrMode_Imm12 {
815 let PrintMethod = "printAddrModeImm12Operand<false>";
818 def addrmode_imm12_pre : AddrMode_Imm12 {
819 let PrintMethod = "printAddrModeImm12Operand<true>";
822 // ldst_so_reg := reg +/- reg shop imm
824 def MemRegOffsetAsmOperand : AsmOperandClass { let Name = "MemRegOffset"; }
825 def ldst_so_reg : MemOperand,
826 ComplexPattern<i32, 3, "SelectLdStSOReg", []> {
827 let EncoderMethod = "getLdStSORegOpValue";
828 // FIXME: Simplify the printer
829 let PrintMethod = "printAddrMode2Operand";
830 let DecoderMethod = "DecodeSORegMemOperand";
831 let ParserMatchClass = MemRegOffsetAsmOperand;
832 let MIOperandInfo = (ops GPR:$base, GPRnopc:$offsreg, i32imm:$shift);
835 // postidx_imm8 := +/- [0,255]
838 // {8} 1 is imm8 is non-negative. 0 otherwise.
839 // {7-0} [0,255] imm8 value.
840 def PostIdxImm8AsmOperand : AsmOperandClass { let Name = "PostIdxImm8"; }
841 def postidx_imm8 : MemOperand {
842 let PrintMethod = "printPostIdxImm8Operand";
843 let ParserMatchClass = PostIdxImm8AsmOperand;
844 let MIOperandInfo = (ops i32imm);
847 // postidx_imm8s4 := +/- [0,1020]
850 // {8} 1 is imm8 is non-negative. 0 otherwise.
851 // {7-0} [0,255] imm8 value, scaled by 4.
852 def PostIdxImm8s4AsmOperand : AsmOperandClass { let Name = "PostIdxImm8s4"; }
853 def postidx_imm8s4 : MemOperand {
854 let PrintMethod = "printPostIdxImm8s4Operand";
855 let ParserMatchClass = PostIdxImm8s4AsmOperand;
856 let MIOperandInfo = (ops i32imm);
860 // postidx_reg := +/- reg
862 def PostIdxRegAsmOperand : AsmOperandClass {
863 let Name = "PostIdxReg";
864 let ParserMethod = "parsePostIdxReg";
866 def postidx_reg : MemOperand {
867 let EncoderMethod = "getPostIdxRegOpValue";
868 let DecoderMethod = "DecodePostIdxReg";
869 let PrintMethod = "printPostIdxRegOperand";
870 let ParserMatchClass = PostIdxRegAsmOperand;
871 let MIOperandInfo = (ops GPRnopc, i32imm);
875 // addrmode2 := reg +/- imm12
876 // := reg +/- reg shop imm
878 // FIXME: addrmode2 should be refactored the rest of the way to always
879 // use explicit imm vs. reg versions above (addrmode_imm12 and ldst_so_reg).
880 def AddrMode2AsmOperand : AsmOperandClass { let Name = "AddrMode2"; }
881 def addrmode2 : MemOperand,
882 ComplexPattern<i32, 3, "SelectAddrMode2", []> {
883 let EncoderMethod = "getAddrMode2OpValue";
884 let PrintMethod = "printAddrMode2Operand";
885 let ParserMatchClass = AddrMode2AsmOperand;
886 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
889 def PostIdxRegShiftedAsmOperand : AsmOperandClass {
890 let Name = "PostIdxRegShifted";
891 let ParserMethod = "parsePostIdxReg";
893 def am2offset_reg : MemOperand,
894 ComplexPattern<i32, 2, "SelectAddrMode2OffsetReg",
895 [], [SDNPWantRoot]> {
896 let EncoderMethod = "getAddrMode2OffsetOpValue";
897 let PrintMethod = "printAddrMode2OffsetOperand";
898 // When using this for assembly, it's always as a post-index offset.
899 let ParserMatchClass = PostIdxRegShiftedAsmOperand;
900 let MIOperandInfo = (ops GPRnopc, i32imm);
903 // FIXME: am2offset_imm should only need the immediate, not the GPR. Having
904 // the GPR is purely vestigal at this point.
905 def AM2OffsetImmAsmOperand : AsmOperandClass { let Name = "AM2OffsetImm"; }
906 def am2offset_imm : MemOperand,
907 ComplexPattern<i32, 2, "SelectAddrMode2OffsetImm",
908 [], [SDNPWantRoot]> {
909 let EncoderMethod = "getAddrMode2OffsetOpValue";
910 let PrintMethod = "printAddrMode2OffsetOperand";
911 let ParserMatchClass = AM2OffsetImmAsmOperand;
912 let MIOperandInfo = (ops GPRnopc, i32imm);
916 // addrmode3 := reg +/- reg
917 // addrmode3 := reg +/- imm8
919 // FIXME: split into imm vs. reg versions.
920 def AddrMode3AsmOperand : AsmOperandClass { let Name = "AddrMode3"; }
921 class AddrMode3 : MemOperand,
922 ComplexPattern<i32, 3, "SelectAddrMode3", []> {
923 let EncoderMethod = "getAddrMode3OpValue";
924 let ParserMatchClass = AddrMode3AsmOperand;
925 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
928 def addrmode3 : AddrMode3
930 let PrintMethod = "printAddrMode3Operand<false>";
933 def addrmode3_pre : AddrMode3
935 let PrintMethod = "printAddrMode3Operand<true>";
938 // FIXME: split into imm vs. reg versions.
939 // FIXME: parser method to handle +/- register.
940 def AM3OffsetAsmOperand : AsmOperandClass {
941 let Name = "AM3Offset";
942 let ParserMethod = "parseAM3Offset";
944 def am3offset : MemOperand,
945 ComplexPattern<i32, 2, "SelectAddrMode3Offset",
946 [], [SDNPWantRoot]> {
947 let EncoderMethod = "getAddrMode3OffsetOpValue";
948 let PrintMethod = "printAddrMode3OffsetOperand";
949 let ParserMatchClass = AM3OffsetAsmOperand;
950 let MIOperandInfo = (ops GPR, i32imm);
953 // ldstm_mode := {ia, ib, da, db}
955 def ldstm_mode : OptionalDefOperand<OtherVT, (ops i32), (ops (i32 1))> {
956 let EncoderMethod = "getLdStmModeOpValue";
957 let PrintMethod = "printLdStmModeOperand";
960 // addrmode5 := reg +/- imm8*4
962 def AddrMode5AsmOperand : AsmOperandClass { let Name = "AddrMode5"; }
963 class AddrMode5 : MemOperand,
964 ComplexPattern<i32, 2, "SelectAddrMode5", []> {
965 let EncoderMethod = "getAddrMode5OpValue";
966 let DecoderMethod = "DecodeAddrMode5Operand";
967 let ParserMatchClass = AddrMode5AsmOperand;
968 let MIOperandInfo = (ops GPR:$base, i32imm);
971 def addrmode5 : AddrMode5 {
972 let PrintMethod = "printAddrMode5Operand<false>";
975 def addrmode5_pre : AddrMode5 {
976 let PrintMethod = "printAddrMode5Operand<true>";
979 // addrmode6 := reg with optional alignment
981 def AddrMode6AsmOperand : AsmOperandClass { let Name = "AlignedMemory"; }
982 def addrmode6 : MemOperand,
983 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
984 let PrintMethod = "printAddrMode6Operand";
985 let MIOperandInfo = (ops GPR:$addr, i32imm:$align);
986 let EncoderMethod = "getAddrMode6AddressOpValue";
987 let DecoderMethod = "DecodeAddrMode6Operand";
988 let ParserMatchClass = AddrMode6AsmOperand;
991 def am6offset : MemOperand,
992 ComplexPattern<i32, 1, "SelectAddrMode6Offset",
993 [], [SDNPWantRoot]> {
994 let PrintMethod = "printAddrMode6OffsetOperand";
995 let MIOperandInfo = (ops GPR);
996 let EncoderMethod = "getAddrMode6OffsetOpValue";
997 let DecoderMethod = "DecodeGPRRegisterClass";
1000 // Special version of addrmode6 to handle alignment encoding for VST1/VLD1
1001 // (single element from one lane) for size 32.
1002 def addrmode6oneL32 : MemOperand,
1003 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
1004 let PrintMethod = "printAddrMode6Operand";
1005 let MIOperandInfo = (ops GPR:$addr, i32imm);
1006 let EncoderMethod = "getAddrMode6OneLane32AddressOpValue";
1009 // Base class for addrmode6 with specific alignment restrictions.
1010 class AddrMode6Align : MemOperand,
1011 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
1012 let PrintMethod = "printAddrMode6Operand";
1013 let MIOperandInfo = (ops GPR:$addr, i32imm:$align);
1014 let EncoderMethod = "getAddrMode6AddressOpValue";
1015 let DecoderMethod = "DecodeAddrMode6Operand";
1018 // Special version of addrmode6 to handle no allowed alignment encoding for
1019 // VLD/VST instructions and checking the alignment is not specified.
1020 def AddrMode6AlignNoneAsmOperand : AsmOperandClass {
1021 let Name = "AlignedMemoryNone";
1022 let DiagnosticType = "AlignedMemoryRequiresNone";
1024 def addrmode6alignNone : AddrMode6Align {
1025 // The alignment specifier can only be omitted.
1026 let ParserMatchClass = AddrMode6AlignNoneAsmOperand;
1029 // Special version of addrmode6 to handle 16-bit alignment encoding for
1030 // VLD/VST instructions and checking the alignment value.
1031 def AddrMode6Align16AsmOperand : AsmOperandClass {
1032 let Name = "AlignedMemory16";
1033 let DiagnosticType = "AlignedMemoryRequires16";
1035 def addrmode6align16 : AddrMode6Align {
1036 // The alignment specifier can only be 16 or omitted.
1037 let ParserMatchClass = AddrMode6Align16AsmOperand;
1040 // Special version of addrmode6 to handle 32-bit alignment encoding for
1041 // VLD/VST instructions and checking the alignment value.
1042 def AddrMode6Align32AsmOperand : AsmOperandClass {
1043 let Name = "AlignedMemory32";
1044 let DiagnosticType = "AlignedMemoryRequires32";
1046 def addrmode6align32 : AddrMode6Align {
1047 // The alignment specifier can only be 32 or omitted.
1048 let ParserMatchClass = AddrMode6Align32AsmOperand;
1051 // Special version of addrmode6 to handle 64-bit alignment encoding for
1052 // VLD/VST instructions and checking the alignment value.
1053 def AddrMode6Align64AsmOperand : AsmOperandClass {
1054 let Name = "AlignedMemory64";
1055 let DiagnosticType = "AlignedMemoryRequires64";
1057 def addrmode6align64 : AddrMode6Align {
1058 // The alignment specifier can only be 64 or omitted.
1059 let ParserMatchClass = AddrMode6Align64AsmOperand;
1062 // Special version of addrmode6 to handle 64-bit or 128-bit alignment encoding
1063 // for VLD/VST instructions and checking the alignment value.
1064 def AddrMode6Align64or128AsmOperand : AsmOperandClass {
1065 let Name = "AlignedMemory64or128";
1066 let DiagnosticType = "AlignedMemoryRequires64or128";
1068 def addrmode6align64or128 : AddrMode6Align {
1069 // The alignment specifier can only be 64, 128 or omitted.
1070 let ParserMatchClass = AddrMode6Align64or128AsmOperand;
1073 // Special version of addrmode6 to handle 64-bit, 128-bit or 256-bit alignment
1074 // encoding for VLD/VST instructions and checking the alignment value.
1075 def AddrMode6Align64or128or256AsmOperand : AsmOperandClass {
1076 let Name = "AlignedMemory64or128or256";
1077 let DiagnosticType = "AlignedMemoryRequires64or128or256";
1079 def addrmode6align64or128or256 : AddrMode6Align {
1080 // The alignment specifier can only be 64, 128, 256 or omitted.
1081 let ParserMatchClass = AddrMode6Align64or128or256AsmOperand;
1084 // Special version of addrmode6 to handle alignment encoding for VLD-dup
1085 // instructions, specifically VLD4-dup.
1086 def addrmode6dup : MemOperand,
1087 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
1088 let PrintMethod = "printAddrMode6Operand";
1089 let MIOperandInfo = (ops GPR:$addr, i32imm);
1090 let EncoderMethod = "getAddrMode6DupAddressOpValue";
1091 // FIXME: This is close, but not quite right. The alignment specifier is
1093 let ParserMatchClass = AddrMode6AsmOperand;
1096 // Base class for addrmode6dup with specific alignment restrictions.
1097 class AddrMode6DupAlign : MemOperand,
1098 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
1099 let PrintMethod = "printAddrMode6Operand";
1100 let MIOperandInfo = (ops GPR:$addr, i32imm);
1101 let EncoderMethod = "getAddrMode6DupAddressOpValue";
1104 // Special version of addrmode6 to handle no allowed alignment encoding for
1105 // VLD-dup instruction and checking the alignment is not specified.
1106 def AddrMode6dupAlignNoneAsmOperand : AsmOperandClass {
1107 let Name = "DupAlignedMemoryNone";
1108 let DiagnosticType = "DupAlignedMemoryRequiresNone";
1110 def addrmode6dupalignNone : AddrMode6DupAlign {
1111 // The alignment specifier can only be omitted.
1112 let ParserMatchClass = AddrMode6dupAlignNoneAsmOperand;
1115 // Special version of addrmode6 to handle 16-bit alignment encoding for VLD-dup
1116 // instruction and checking the alignment value.
1117 def AddrMode6dupAlign16AsmOperand : AsmOperandClass {
1118 let Name = "DupAlignedMemory16";
1119 let DiagnosticType = "DupAlignedMemoryRequires16";
1121 def addrmode6dupalign16 : AddrMode6DupAlign {
1122 // The alignment specifier can only be 16 or omitted.
1123 let ParserMatchClass = AddrMode6dupAlign16AsmOperand;
1126 // Special version of addrmode6 to handle 32-bit alignment encoding for VLD-dup
1127 // instruction and checking the alignment value.
1128 def AddrMode6dupAlign32AsmOperand : AsmOperandClass {
1129 let Name = "DupAlignedMemory32";
1130 let DiagnosticType = "DupAlignedMemoryRequires32";
1132 def addrmode6dupalign32 : AddrMode6DupAlign {
1133 // The alignment specifier can only be 32 or omitted.
1134 let ParserMatchClass = AddrMode6dupAlign32AsmOperand;
1137 // Special version of addrmode6 to handle 64-bit alignment encoding for VLD
1138 // instructions and checking the alignment value.
1139 def AddrMode6dupAlign64AsmOperand : AsmOperandClass {
1140 let Name = "DupAlignedMemory64";
1141 let DiagnosticType = "DupAlignedMemoryRequires64";
1143 def addrmode6dupalign64 : AddrMode6DupAlign {
1144 // The alignment specifier can only be 64 or omitted.
1145 let ParserMatchClass = AddrMode6dupAlign64AsmOperand;
1148 // Special version of addrmode6 to handle 64-bit or 128-bit alignment encoding
1149 // for VLD instructions and checking the alignment value.
1150 def AddrMode6dupAlign64or128AsmOperand : AsmOperandClass {
1151 let Name = "DupAlignedMemory64or128";
1152 let DiagnosticType = "DupAlignedMemoryRequires64or128";
1154 def addrmode6dupalign64or128 : AddrMode6DupAlign {
1155 // The alignment specifier can only be 64, 128 or omitted.
1156 let ParserMatchClass = AddrMode6dupAlign64or128AsmOperand;
1159 // addrmodepc := pc + reg
1161 def addrmodepc : MemOperand,
1162 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
1163 let PrintMethod = "printAddrModePCOperand";
1164 let MIOperandInfo = (ops GPR, i32imm);
1167 // addr_offset_none := reg
1169 def MemNoOffsetAsmOperand : AsmOperandClass { let Name = "MemNoOffset"; }
1170 def addr_offset_none : MemOperand,
1171 ComplexPattern<i32, 1, "SelectAddrOffsetNone", []> {
1172 let PrintMethod = "printAddrMode7Operand";
1173 let DecoderMethod = "DecodeAddrMode7Operand";
1174 let ParserMatchClass = MemNoOffsetAsmOperand;
1175 let MIOperandInfo = (ops GPR:$base);
1178 def nohash_imm : Operand<i32> {
1179 let PrintMethod = "printNoHashImmediate";
1182 def CoprocNumAsmOperand : AsmOperandClass {
1183 let Name = "CoprocNum";
1184 let ParserMethod = "parseCoprocNumOperand";
1186 def p_imm : Operand<i32> {
1187 let PrintMethod = "printPImmediate";
1188 let ParserMatchClass = CoprocNumAsmOperand;
1189 let DecoderMethod = "DecodeCoprocessor";
1192 def CoprocRegAsmOperand : AsmOperandClass {
1193 let Name = "CoprocReg";
1194 let ParserMethod = "parseCoprocRegOperand";
1196 def c_imm : Operand<i32> {
1197 let PrintMethod = "printCImmediate";
1198 let ParserMatchClass = CoprocRegAsmOperand;
1200 def CoprocOptionAsmOperand : AsmOperandClass {
1201 let Name = "CoprocOption";
1202 let ParserMethod = "parseCoprocOptionOperand";
1204 def coproc_option_imm : Operand<i32> {
1205 let PrintMethod = "printCoprocOptionImm";
1206 let ParserMatchClass = CoprocOptionAsmOperand;
1209 //===----------------------------------------------------------------------===//
1211 include "ARMInstrFormats.td"
1213 //===----------------------------------------------------------------------===//
1214 // Multiclass helpers...
1217 /// AsI1_bin_irs - Defines a set of (op r, {mod_imm|r|so_reg}) patterns for a
1218 /// binop that produces a value.
1219 let TwoOperandAliasConstraint = "$Rn = $Rd" in
1220 multiclass AsI1_bin_irs<bits<4> opcod, string opc,
1221 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
1222 PatFrag opnode, bit Commutable = 0> {
1223 // The register-immediate version is re-materializable. This is useful
1224 // in particular for taking the address of a local.
1225 let isReMaterializable = 1 in {
1226 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, mod_imm:$imm), DPFrm,
1227 iii, opc, "\t$Rd, $Rn, $imm",
1228 [(set GPR:$Rd, (opnode GPR:$Rn, mod_imm:$imm))]>,
1229 Sched<[WriteALU, ReadALU]> {
1234 let Inst{19-16} = Rn;
1235 let Inst{15-12} = Rd;
1236 let Inst{11-0} = imm;
1239 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
1240 iir, opc, "\t$Rd, $Rn, $Rm",
1241 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
1242 Sched<[WriteALU, ReadALU, ReadALU]> {
1247 let isCommutable = Commutable;
1248 let Inst{19-16} = Rn;
1249 let Inst{15-12} = Rd;
1250 let Inst{11-4} = 0b00000000;
1254 def rsi : AsI1<opcod, (outs GPR:$Rd),
1255 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm,
1256 iis, opc, "\t$Rd, $Rn, $shift",
1257 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_imm:$shift))]>,
1258 Sched<[WriteALUsi, ReadALU]> {
1263 let Inst{19-16} = Rn;
1264 let Inst{15-12} = Rd;
1265 let Inst{11-5} = shift{11-5};
1267 let Inst{3-0} = shift{3-0};
1270 def rsr : AsI1<opcod, (outs GPR:$Rd),
1271 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm,
1272 iis, opc, "\t$Rd, $Rn, $shift",
1273 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_reg:$shift))]>,
1274 Sched<[WriteALUsr, ReadALUsr]> {
1279 let Inst{19-16} = Rn;
1280 let Inst{15-12} = Rd;
1281 let Inst{11-8} = shift{11-8};
1283 let Inst{6-5} = shift{6-5};
1285 let Inst{3-0} = shift{3-0};
1289 /// AsI1_rbin_irs - Same as AsI1_bin_irs except the order of operands are
1290 /// reversed. The 'rr' form is only defined for the disassembler; for codegen
1291 /// it is equivalent to the AsI1_bin_irs counterpart.
1292 let TwoOperandAliasConstraint = "$Rn = $Rd" in
1293 multiclass AsI1_rbin_irs<bits<4> opcod, string opc,
1294 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
1295 PatFrag opnode, bit Commutable = 0> {
1296 // The register-immediate version is re-materializable. This is useful
1297 // in particular for taking the address of a local.
1298 let isReMaterializable = 1 in {
1299 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, mod_imm:$imm), DPFrm,
1300 iii, opc, "\t$Rd, $Rn, $imm",
1301 [(set GPR:$Rd, (opnode mod_imm:$imm, GPR:$Rn))]>,
1302 Sched<[WriteALU, ReadALU]> {
1307 let Inst{19-16} = Rn;
1308 let Inst{15-12} = Rd;
1309 let Inst{11-0} = imm;
1312 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
1313 iir, opc, "\t$Rd, $Rn, $Rm",
1314 [/* pattern left blank */]>,
1315 Sched<[WriteALU, ReadALU, ReadALU]> {
1319 let Inst{11-4} = 0b00000000;
1322 let Inst{15-12} = Rd;
1323 let Inst{19-16} = Rn;
1326 def rsi : AsI1<opcod, (outs GPR:$Rd),
1327 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm,
1328 iis, opc, "\t$Rd, $Rn, $shift",
1329 [(set GPR:$Rd, (opnode so_reg_imm:$shift, GPR:$Rn))]>,
1330 Sched<[WriteALUsi, ReadALU]> {
1335 let Inst{19-16} = Rn;
1336 let Inst{15-12} = Rd;
1337 let Inst{11-5} = shift{11-5};
1339 let Inst{3-0} = shift{3-0};
1342 def rsr : AsI1<opcod, (outs GPR:$Rd),
1343 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm,
1344 iis, opc, "\t$Rd, $Rn, $shift",
1345 [(set GPR:$Rd, (opnode so_reg_reg:$shift, GPR:$Rn))]>,
1346 Sched<[WriteALUsr, ReadALUsr]> {
1351 let Inst{19-16} = Rn;
1352 let Inst{15-12} = Rd;
1353 let Inst{11-8} = shift{11-8};
1355 let Inst{6-5} = shift{6-5};
1357 let Inst{3-0} = shift{3-0};
1361 /// AsI1_bin_s_irs - Same as AsI1_bin_irs except it sets the 's' bit by default.
1363 /// These opcodes will be converted to the real non-S opcodes by
1364 /// AdjustInstrPostInstrSelection after giving them an optional CPSR operand.
1365 let hasPostISelHook = 1, Defs = [CPSR] in {
1366 multiclass AsI1_bin_s_irs<InstrItinClass iii, InstrItinClass iir,
1367 InstrItinClass iis, PatFrag opnode,
1368 bit Commutable = 0> {
1369 def ri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, mod_imm:$imm, pred:$p),
1371 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, mod_imm:$imm))]>,
1372 Sched<[WriteALU, ReadALU]>;
1374 def rr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, pred:$p),
1376 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, GPR:$Rm))]>,
1377 Sched<[WriteALU, ReadALU, ReadALU]> {
1378 let isCommutable = Commutable;
1380 def rsi : ARMPseudoInst<(outs GPR:$Rd),
1381 (ins GPR:$Rn, so_reg_imm:$shift, pred:$p),
1383 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn,
1384 so_reg_imm:$shift))]>,
1385 Sched<[WriteALUsi, ReadALU]>;
1387 def rsr : ARMPseudoInst<(outs GPR:$Rd),
1388 (ins GPR:$Rn, so_reg_reg:$shift, pred:$p),
1390 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn,
1391 so_reg_reg:$shift))]>,
1392 Sched<[WriteALUSsr, ReadALUsr]>;
1396 /// AsI1_rbin_s_is - Same as AsI1_bin_s_irs, except selection DAG
1397 /// operands are reversed.
1398 let hasPostISelHook = 1, Defs = [CPSR] in {
1399 multiclass AsI1_rbin_s_is<InstrItinClass iii, InstrItinClass iir,
1400 InstrItinClass iis, PatFrag opnode,
1401 bit Commutable = 0> {
1402 def ri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, mod_imm:$imm, pred:$p),
1404 [(set GPR:$Rd, CPSR, (opnode mod_imm:$imm, GPR:$Rn))]>,
1405 Sched<[WriteALU, ReadALU]>;
1407 def rsi : ARMPseudoInst<(outs GPR:$Rd),
1408 (ins GPR:$Rn, so_reg_imm:$shift, pred:$p),
1410 [(set GPR:$Rd, CPSR, (opnode so_reg_imm:$shift,
1412 Sched<[WriteALUsi, ReadALU]>;
1414 def rsr : ARMPseudoInst<(outs GPR:$Rd),
1415 (ins GPR:$Rn, so_reg_reg:$shift, pred:$p),
1417 [(set GPR:$Rd, CPSR, (opnode so_reg_reg:$shift,
1419 Sched<[WriteALUSsr, ReadALUsr]>;
1423 /// AI1_cmp_irs - Defines a set of (op r, {mod_imm|r|so_reg}) cmp / test
1424 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
1425 /// a explicit result, only implicitly set CPSR.
1426 let isCompare = 1, Defs = [CPSR] in {
1427 multiclass AI1_cmp_irs<bits<4> opcod, string opc,
1428 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
1429 PatFrag opnode, bit Commutable = 0,
1430 string rrDecoderMethod = ""> {
1431 def ri : AI1<opcod, (outs), (ins GPR:$Rn, mod_imm:$imm), DPFrm, iii,
1433 [(opnode GPR:$Rn, mod_imm:$imm)]>,
1434 Sched<[WriteCMP, ReadALU]> {
1439 let Inst{19-16} = Rn;
1440 let Inst{15-12} = 0b0000;
1441 let Inst{11-0} = imm;
1443 let Unpredictable{15-12} = 0b1111;
1445 def rr : AI1<opcod, (outs), (ins GPR:$Rn, GPR:$Rm), DPFrm, iir,
1447 [(opnode GPR:$Rn, GPR:$Rm)]>,
1448 Sched<[WriteCMP, ReadALU, ReadALU]> {
1451 let isCommutable = Commutable;
1454 let Inst{19-16} = Rn;
1455 let Inst{15-12} = 0b0000;
1456 let Inst{11-4} = 0b00000000;
1458 let DecoderMethod = rrDecoderMethod;
1460 let Unpredictable{15-12} = 0b1111;
1462 def rsi : AI1<opcod, (outs),
1463 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm, iis,
1464 opc, "\t$Rn, $shift",
1465 [(opnode GPR:$Rn, so_reg_imm:$shift)]>,
1466 Sched<[WriteCMPsi, ReadALU]> {
1471 let Inst{19-16} = Rn;
1472 let Inst{15-12} = 0b0000;
1473 let Inst{11-5} = shift{11-5};
1475 let Inst{3-0} = shift{3-0};
1477 let Unpredictable{15-12} = 0b1111;
1479 def rsr : AI1<opcod, (outs),
1480 (ins GPRnopc:$Rn, so_reg_reg:$shift), DPSoRegRegFrm, iis,
1481 opc, "\t$Rn, $shift",
1482 [(opnode GPRnopc:$Rn, so_reg_reg:$shift)]>,
1483 Sched<[WriteCMPsr, ReadALU]> {
1488 let Inst{19-16} = Rn;
1489 let Inst{15-12} = 0b0000;
1490 let Inst{11-8} = shift{11-8};
1492 let Inst{6-5} = shift{6-5};
1494 let Inst{3-0} = shift{3-0};
1496 let Unpredictable{15-12} = 0b1111;
1502 /// AI_ext_rrot - A unary operation with two forms: one whose operand is a
1503 /// register and one whose operand is a register rotated by 8/16/24.
1504 /// FIXME: Remove the 'r' variant. Its rot_imm is zero.
1505 class AI_ext_rrot<bits<8> opcod, string opc, PatFrag opnode>
1506 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPRnopc:$Rm, rot_imm:$rot),
1507 IIC_iEXTr, opc, "\t$Rd, $Rm$rot",
1508 [(set GPRnopc:$Rd, (opnode (rotr GPRnopc:$Rm, rot_imm:$rot)))]>,
1509 Requires<[IsARM, HasV6]>, Sched<[WriteALUsi]> {
1513 let Inst{19-16} = 0b1111;
1514 let Inst{15-12} = Rd;
1515 let Inst{11-10} = rot;
1519 class AI_ext_rrot_np<bits<8> opcod, string opc>
1520 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPRnopc:$Rm, rot_imm:$rot),
1521 IIC_iEXTr, opc, "\t$Rd, $Rm$rot", []>,
1522 Requires<[IsARM, HasV6]>, Sched<[WriteALUsi]> {
1524 let Inst{19-16} = 0b1111;
1525 let Inst{11-10} = rot;
1528 /// AI_exta_rrot - A binary operation with two forms: one whose operand is a
1529 /// register and one whose operand is a register rotated by 8/16/24.
1530 class AI_exta_rrot<bits<8> opcod, string opc, PatFrag opnode>
1531 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPR:$Rn, GPRnopc:$Rm, rot_imm:$rot),
1532 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm$rot",
1533 [(set GPRnopc:$Rd, (opnode GPR:$Rn,
1534 (rotr GPRnopc:$Rm, rot_imm:$rot)))]>,
1535 Requires<[IsARM, HasV6]>, Sched<[WriteALUsr]> {
1540 let Inst{19-16} = Rn;
1541 let Inst{15-12} = Rd;
1542 let Inst{11-10} = rot;
1543 let Inst{9-4} = 0b000111;
1547 class AI_exta_rrot_np<bits<8> opcod, string opc>
1548 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPR:$Rn, GPRnopc:$Rm, rot_imm:$rot),
1549 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm$rot", []>,
1550 Requires<[IsARM, HasV6]>, Sched<[WriteALUsr]> {
1553 let Inst{19-16} = Rn;
1554 let Inst{11-10} = rot;
1557 /// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
1558 let TwoOperandAliasConstraint = "$Rn = $Rd" in
1559 multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode,
1560 bit Commutable = 0> {
1561 let hasPostISelHook = 1, Defs = [CPSR], Uses = [CPSR] in {
1562 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, mod_imm:$imm),
1563 DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
1564 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, mod_imm:$imm, CPSR))]>,
1566 Sched<[WriteALU, ReadALU]> {
1571 let Inst{15-12} = Rd;
1572 let Inst{19-16} = Rn;
1573 let Inst{11-0} = imm;
1575 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
1576 DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
1577 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, GPR:$Rm, CPSR))]>,
1579 Sched<[WriteALU, ReadALU, ReadALU]> {
1583 let Inst{11-4} = 0b00000000;
1585 let isCommutable = Commutable;
1587 let Inst{15-12} = Rd;
1588 let Inst{19-16} = Rn;
1590 def rsi : AsI1<opcod, (outs GPR:$Rd),
1591 (ins GPR:$Rn, so_reg_imm:$shift),
1592 DPSoRegImmFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1593 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, so_reg_imm:$shift, CPSR))]>,
1595 Sched<[WriteALUsi, ReadALU]> {
1600 let Inst{19-16} = Rn;
1601 let Inst{15-12} = Rd;
1602 let Inst{11-5} = shift{11-5};
1604 let Inst{3-0} = shift{3-0};
1606 def rsr : AsI1<opcod, (outs GPRnopc:$Rd),
1607 (ins GPRnopc:$Rn, so_reg_reg:$shift),
1608 DPSoRegRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1609 [(set GPRnopc:$Rd, CPSR,
1610 (opnode GPRnopc:$Rn, so_reg_reg:$shift, CPSR))]>,
1612 Sched<[WriteALUsr, ReadALUsr]> {
1617 let Inst{19-16} = Rn;
1618 let Inst{15-12} = Rd;
1619 let Inst{11-8} = shift{11-8};
1621 let Inst{6-5} = shift{6-5};
1623 let Inst{3-0} = shift{3-0};
1628 /// AI1_rsc_irs - Define instructions and patterns for rsc
1629 let TwoOperandAliasConstraint = "$Rn = $Rd" in
1630 multiclass AI1_rsc_irs<bits<4> opcod, string opc, PatFrag opnode> {
1631 let hasPostISelHook = 1, Defs = [CPSR], Uses = [CPSR] in {
1632 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, mod_imm:$imm),
1633 DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
1634 [(set GPR:$Rd, CPSR, (opnode mod_imm:$imm, GPR:$Rn, CPSR))]>,
1636 Sched<[WriteALU, ReadALU]> {
1641 let Inst{15-12} = Rd;
1642 let Inst{19-16} = Rn;
1643 let Inst{11-0} = imm;
1645 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
1646 DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
1647 [/* pattern left blank */]>,
1648 Sched<[WriteALU, ReadALU, ReadALU]> {
1652 let Inst{11-4} = 0b00000000;
1655 let Inst{15-12} = Rd;
1656 let Inst{19-16} = Rn;
1658 def rsi : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_imm:$shift),
1659 DPSoRegImmFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1660 [(set GPR:$Rd, CPSR, (opnode so_reg_imm:$shift, GPR:$Rn, CPSR))]>,
1662 Sched<[WriteALUsi, ReadALU]> {
1667 let Inst{19-16} = Rn;
1668 let Inst{15-12} = Rd;
1669 let Inst{11-5} = shift{11-5};
1671 let Inst{3-0} = shift{3-0};
1673 def rsr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_reg:$shift),
1674 DPSoRegRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1675 [(set GPR:$Rd, CPSR, (opnode so_reg_reg:$shift, GPR:$Rn, CPSR))]>,
1677 Sched<[WriteALUsr, ReadALUsr]> {
1682 let Inst{19-16} = Rn;
1683 let Inst{15-12} = Rd;
1684 let Inst{11-8} = shift{11-8};
1686 let Inst{6-5} = shift{6-5};
1688 let Inst{3-0} = shift{3-0};
1693 let canFoldAsLoad = 1, isReMaterializable = 1 in {
1694 multiclass AI_ldr1<bit isByte, string opc, InstrItinClass iii,
1695 InstrItinClass iir, PatFrag opnode> {
1696 // Note: We use the complex addrmode_imm12 rather than just an input
1697 // GPR and a constrained immediate so that we can use this to match
1698 // frame index references and avoid matching constant pool references.
1699 def i12: AI2ldst<0b010, 1, isByte, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
1700 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
1701 [(set GPR:$Rt, (opnode addrmode_imm12:$addr))]> {
1704 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1705 let Inst{19-16} = addr{16-13}; // Rn
1706 let Inst{15-12} = Rt;
1707 let Inst{11-0} = addr{11-0}; // imm12
1709 def rs : AI2ldst<0b011, 1, isByte, (outs GPR:$Rt), (ins ldst_so_reg:$shift),
1710 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
1711 [(set GPR:$Rt, (opnode ldst_so_reg:$shift))]> {
1714 let shift{4} = 0; // Inst{4} = 0
1715 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1716 let Inst{19-16} = shift{16-13}; // Rn
1717 let Inst{15-12} = Rt;
1718 let Inst{11-0} = shift{11-0};
1723 let canFoldAsLoad = 1, isReMaterializable = 1 in {
1724 multiclass AI_ldr1nopc<bit isByte, string opc, InstrItinClass iii,
1725 InstrItinClass iir, PatFrag opnode> {
1726 // Note: We use the complex addrmode_imm12 rather than just an input
1727 // GPR and a constrained immediate so that we can use this to match
1728 // frame index references and avoid matching constant pool references.
1729 def i12: AI2ldst<0b010, 1, isByte, (outs GPRnopc:$Rt),
1730 (ins addrmode_imm12:$addr),
1731 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
1732 [(set GPRnopc:$Rt, (opnode addrmode_imm12:$addr))]> {
1735 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1736 let Inst{19-16} = addr{16-13}; // Rn
1737 let Inst{15-12} = Rt;
1738 let Inst{11-0} = addr{11-0}; // imm12
1740 def rs : AI2ldst<0b011, 1, isByte, (outs GPRnopc:$Rt),
1741 (ins ldst_so_reg:$shift),
1742 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
1743 [(set GPRnopc:$Rt, (opnode ldst_so_reg:$shift))]> {
1746 let shift{4} = 0; // Inst{4} = 0
1747 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1748 let Inst{19-16} = shift{16-13}; // Rn
1749 let Inst{15-12} = Rt;
1750 let Inst{11-0} = shift{11-0};
1756 multiclass AI_str1<bit isByte, string opc, InstrItinClass iii,
1757 InstrItinClass iir, PatFrag opnode> {
1758 // Note: We use the complex addrmode_imm12 rather than just an input
1759 // GPR and a constrained immediate so that we can use this to match
1760 // frame index references and avoid matching constant pool references.
1761 def i12 : AI2ldst<0b010, 0, isByte, (outs),
1762 (ins GPR:$Rt, addrmode_imm12:$addr),
1763 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
1764 [(opnode GPR:$Rt, addrmode_imm12:$addr)]> {
1767 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1768 let Inst{19-16} = addr{16-13}; // Rn
1769 let Inst{15-12} = Rt;
1770 let Inst{11-0} = addr{11-0}; // imm12
1772 def rs : AI2ldst<0b011, 0, isByte, (outs), (ins GPR:$Rt, ldst_so_reg:$shift),
1773 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
1774 [(opnode GPR:$Rt, ldst_so_reg:$shift)]> {
1777 let shift{4} = 0; // Inst{4} = 0
1778 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1779 let Inst{19-16} = shift{16-13}; // Rn
1780 let Inst{15-12} = Rt;
1781 let Inst{11-0} = shift{11-0};
1785 multiclass AI_str1nopc<bit isByte, string opc, InstrItinClass iii,
1786 InstrItinClass iir, PatFrag opnode> {
1787 // Note: We use the complex addrmode_imm12 rather than just an input
1788 // GPR and a constrained immediate so that we can use this to match
1789 // frame index references and avoid matching constant pool references.
1790 def i12 : AI2ldst<0b010, 0, isByte, (outs),
1791 (ins GPRnopc:$Rt, addrmode_imm12:$addr),
1792 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
1793 [(opnode GPRnopc:$Rt, addrmode_imm12:$addr)]> {
1796 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1797 let Inst{19-16} = addr{16-13}; // Rn
1798 let Inst{15-12} = Rt;
1799 let Inst{11-0} = addr{11-0}; // imm12
1801 def rs : AI2ldst<0b011, 0, isByte, (outs),
1802 (ins GPRnopc:$Rt, ldst_so_reg:$shift),
1803 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
1804 [(opnode GPRnopc:$Rt, ldst_so_reg:$shift)]> {
1807 let shift{4} = 0; // Inst{4} = 0
1808 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1809 let Inst{19-16} = shift{16-13}; // Rn
1810 let Inst{15-12} = Rt;
1811 let Inst{11-0} = shift{11-0};
1816 //===----------------------------------------------------------------------===//
1818 //===----------------------------------------------------------------------===//
1820 //===----------------------------------------------------------------------===//
1821 // Miscellaneous Instructions.
1824 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
1825 /// the function. The first operand is the ID# for this instruction, the second
1826 /// is the index into the MachineConstantPool that this is, the third is the
1827 /// size in bytes of this constant pool entry.
1828 let hasSideEffects = 0, isNotDuplicable = 1 in
1829 def CONSTPOOL_ENTRY :
1830 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
1831 i32imm:$size), NoItinerary, []>;
1833 /// A jumptable consisting of direct 32-bit addresses of the destination basic
1834 /// blocks (either absolute, or relative to the start of the jump-table in PIC
1835 /// mode). Used mostly in ARM and Thumb-1 modes.
1836 def JUMPTABLE_ADDRS :
1837 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
1838 i32imm:$size), NoItinerary, []>;
1840 /// A jumptable consisting of 32-bit jump instructions. Used for Thumb-2 tables
1841 /// that cannot be optimised to use TBB or TBH.
1842 def JUMPTABLE_INSTS :
1843 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
1844 i32imm:$size), NoItinerary, []>;
1846 /// A jumptable consisting of 8-bit unsigned integers representing offsets from
1847 /// a TBB instruction.
1849 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
1850 i32imm:$size), NoItinerary, []>;
1852 /// A jumptable consisting of 16-bit unsigned integers representing offsets from
1853 /// a TBH instruction.
1855 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
1856 i32imm:$size), NoItinerary, []>;
1859 // FIXME: Marking these as hasSideEffects is necessary to prevent machine DCE
1860 // from removing one half of the matched pairs. That breaks PEI, which assumes
1861 // these will always be in pairs, and asserts if it finds otherwise. Better way?
1862 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
1863 def ADJCALLSTACKUP :
1864 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary,
1865 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
1867 def ADJCALLSTACKDOWN :
1868 PseudoInst<(outs), (ins i32imm:$amt, pred:$p), NoItinerary,
1869 [(ARMcallseq_start timm:$amt)]>;
1872 def HINT : AI<(outs), (ins imm0_239:$imm), MiscFrm, NoItinerary,
1873 "hint", "\t$imm", [(int_arm_hint imm0_239:$imm)]>,
1874 Requires<[IsARM, HasV6]> {
1876 let Inst{27-8} = 0b00110010000011110000;
1877 let Inst{7-0} = imm;
1880 def : InstAlias<"nop$p", (HINT 0, pred:$p)>, Requires<[IsARM, HasV6K]>;
1881 def : InstAlias<"yield$p", (HINT 1, pred:$p)>, Requires<[IsARM, HasV6K]>;
1882 def : InstAlias<"wfe$p", (HINT 2, pred:$p)>, Requires<[IsARM, HasV6K]>;
1883 def : InstAlias<"wfi$p", (HINT 3, pred:$p)>, Requires<[IsARM, HasV6K]>;
1884 def : InstAlias<"sev$p", (HINT 4, pred:$p)>, Requires<[IsARM, HasV6K]>;
1885 def : InstAlias<"sevl$p", (HINT 5, pred:$p)>, Requires<[IsARM, HasV8]>;
1887 def SEL : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm, NoItinerary, "sel",
1888 "\t$Rd, $Rn, $Rm", []>, Requires<[IsARM, HasV6]> {
1893 let Inst{15-12} = Rd;
1894 let Inst{19-16} = Rn;
1895 let Inst{27-20} = 0b01101000;
1896 let Inst{7-4} = 0b1011;
1897 let Inst{11-8} = 0b1111;
1898 let Unpredictable{11-8} = 0b1111;
1901 // The 16-bit operand $val can be used by a debugger to store more information
1902 // about the breakpoint.
1903 def BKPT : AInoP<(outs), (ins imm0_65535:$val), MiscFrm, NoItinerary,
1904 "bkpt", "\t$val", []>, Requires<[IsARM]> {
1906 let Inst{3-0} = val{3-0};
1907 let Inst{19-8} = val{15-4};
1908 let Inst{27-20} = 0b00010010;
1909 let Inst{31-28} = 0xe; // AL
1910 let Inst{7-4} = 0b0111;
1912 // default immediate for breakpoint mnemonic
1913 def : InstAlias<"bkpt", (BKPT 0)>, Requires<[IsARM]>;
1915 def HLT : AInoP<(outs), (ins imm0_65535:$val), MiscFrm, NoItinerary,
1916 "hlt", "\t$val", []>, Requires<[IsARM, HasV8]> {
1918 let Inst{3-0} = val{3-0};
1919 let Inst{19-8} = val{15-4};
1920 let Inst{27-20} = 0b00010000;
1921 let Inst{31-28} = 0xe; // AL
1922 let Inst{7-4} = 0b0111;
1925 // Change Processor State
1926 // FIXME: We should use InstAlias to handle the optional operands.
1927 class CPS<dag iops, string asm_ops>
1928 : AXI<(outs), iops, MiscFrm, NoItinerary, !strconcat("cps", asm_ops),
1929 []>, Requires<[IsARM]> {
1935 let Inst{31-28} = 0b1111;
1936 let Inst{27-20} = 0b00010000;
1937 let Inst{19-18} = imod;
1938 let Inst{17} = M; // Enabled if mode is set;
1939 let Inst{16-9} = 0b00000000;
1940 let Inst{8-6} = iflags;
1942 let Inst{4-0} = mode;
1945 let DecoderMethod = "DecodeCPSInstruction" in {
1947 def CPS3p : CPS<(ins imod_op:$imod, iflags_op:$iflags, imm0_31:$mode),
1948 "$imod\t$iflags, $mode">;
1949 let mode = 0, M = 0 in
1950 def CPS2p : CPS<(ins imod_op:$imod, iflags_op:$iflags), "$imod\t$iflags">;
1952 let imod = 0, iflags = 0, M = 1 in
1953 def CPS1p : CPS<(ins imm0_31:$mode), "\t$mode">;
1956 // Preload signals the memory system of possible future data/instruction access.
1957 multiclass APreLoad<bits<1> read, bits<1> data, string opc> {
1959 def i12 : AXIM<(outs), (ins addrmode_imm12:$addr), AddrMode_i12, MiscFrm,
1960 IIC_Preload, !strconcat(opc, "\t$addr"),
1961 [(ARMPreload addrmode_imm12:$addr, (i32 read), (i32 data))]>,
1962 Sched<[WritePreLd]> {
1965 let Inst{31-26} = 0b111101;
1966 let Inst{25} = 0; // 0 for immediate form
1967 let Inst{24} = data;
1968 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1969 let Inst{22} = read;
1970 let Inst{21-20} = 0b01;
1971 let Inst{19-16} = addr{16-13}; // Rn
1972 let Inst{15-12} = 0b1111;
1973 let Inst{11-0} = addr{11-0}; // imm12
1976 def rs : AXI<(outs), (ins ldst_so_reg:$shift), MiscFrm, IIC_Preload,
1977 !strconcat(opc, "\t$shift"),
1978 [(ARMPreload ldst_so_reg:$shift, (i32 read), (i32 data))]>,
1979 Sched<[WritePreLd]> {
1981 let Inst{31-26} = 0b111101;
1982 let Inst{25} = 1; // 1 for register form
1983 let Inst{24} = data;
1984 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1985 let Inst{22} = read;
1986 let Inst{21-20} = 0b01;
1987 let Inst{19-16} = shift{16-13}; // Rn
1988 let Inst{15-12} = 0b1111;
1989 let Inst{11-0} = shift{11-0};
1994 defm PLD : APreLoad<1, 1, "pld">, Requires<[IsARM]>;
1995 defm PLDW : APreLoad<0, 1, "pldw">, Requires<[IsARM,HasV7,HasMP]>;
1996 defm PLI : APreLoad<1, 0, "pli">, Requires<[IsARM,HasV7]>;
1998 def SETEND : AXI<(outs), (ins setend_op:$end), MiscFrm, NoItinerary,
1999 "setend\t$end", []>, Requires<[IsARM]>, Deprecated<HasV8Ops> {
2001 let Inst{31-10} = 0b1111000100000001000000;
2006 def DBG : AI<(outs), (ins imm0_15:$opt), MiscFrm, NoItinerary, "dbg", "\t$opt",
2007 [(int_arm_dbg imm0_15:$opt)]>, Requires<[IsARM, HasV7]> {
2009 let Inst{27-4} = 0b001100100000111100001111;
2010 let Inst{3-0} = opt;
2013 // A8.8.247 UDF - Undefined (Encoding A1)
2014 def UDF : AInoP<(outs), (ins imm0_65535:$imm16), MiscFrm, NoItinerary,
2015 "udf", "\t$imm16", [(int_arm_undefined imm0_65535:$imm16)]> {
2017 let Inst{31-28} = 0b1110; // AL
2018 let Inst{27-25} = 0b011;
2019 let Inst{24-20} = 0b11111;
2020 let Inst{19-8} = imm16{15-4};
2021 let Inst{7-4} = 0b1111;
2022 let Inst{3-0} = imm16{3-0};
2026 * A5.4 Permanently UNDEFINED instructions.
2028 * For most targets use UDF #65006, for which the OS will generate SIGTRAP.
2029 * Other UDF encodings generate SIGILL.
2031 * NaCl's OS instead chooses an ARM UDF encoding that's also a UDF in Thumb.
2033 * 1110 0111 1111 iiii iiii iiii 1111 iiii
2035 * 1101 1110 iiii iiii
2036 * It uses the following encoding:
2037 * 1110 0111 1111 1110 1101 1110 1111 0000
2038 * - In ARM: UDF #60896;
2039 * - In Thumb: UDF #254 followed by a branch-to-self.
2041 let isBarrier = 1, isTerminator = 1 in
2042 def TRAPNaCl : AXI<(outs), (ins), MiscFrm, NoItinerary,
2044 Requires<[IsARM,UseNaClTrap]> {
2045 let Inst = 0xe7fedef0;
2047 let isBarrier = 1, isTerminator = 1 in
2048 def TRAP : AXI<(outs), (ins), MiscFrm, NoItinerary,
2050 Requires<[IsARM,DontUseNaClTrap]> {
2051 let Inst = 0xe7ffdefe;
2054 // Address computation and loads and stores in PIC mode.
2055 let isNotDuplicable = 1 in {
2056 def PICADD : ARMPseudoInst<(outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
2058 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>,
2059 Sched<[WriteALU, ReadALU]>;
2061 let AddedComplexity = 10 in {
2062 def PICLDR : ARMPseudoInst<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
2064 [(set GPR:$dst, (load addrmodepc:$addr))]>;
2066 def PICLDRH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
2068 [(set GPR:$Rt, (zextloadi16 addrmodepc:$addr))]>;
2070 def PICLDRB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
2072 [(set GPR:$Rt, (zextloadi8 addrmodepc:$addr))]>;
2074 def PICLDRSH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
2076 [(set GPR:$Rt, (sextloadi16 addrmodepc:$addr))]>;
2078 def PICLDRSB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
2080 [(set GPR:$Rt, (sextloadi8 addrmodepc:$addr))]>;
2082 let AddedComplexity = 10 in {
2083 def PICSTR : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
2084 4, IIC_iStore_r, [(store GPR:$src, addrmodepc:$addr)]>;
2086 def PICSTRH : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
2087 4, IIC_iStore_bh_r, [(truncstorei16 GPR:$src,
2088 addrmodepc:$addr)]>;
2090 def PICSTRB : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
2091 4, IIC_iStore_bh_r, [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
2093 } // isNotDuplicable = 1
2096 // LEApcrel - Load a pc-relative address into a register without offending the
2098 let hasSideEffects = 0, isReMaterializable = 1 in
2099 // The 'adr' mnemonic encodes differently if the label is before or after
2100 // the instruction. The {24-21} opcode bits are set by the fixup, as we don't
2101 // know until then which form of the instruction will be used.
2102 def ADR : AI1<{0,?,?,0}, (outs GPR:$Rd), (ins adrlabel:$label),
2103 MiscFrm, IIC_iALUi, "adr", "\t$Rd, $label", []>,
2104 Sched<[WriteALU, ReadALU]> {
2107 let Inst{27-25} = 0b001;
2109 let Inst{23-22} = label{13-12};
2112 let Inst{19-16} = 0b1111;
2113 let Inst{15-12} = Rd;
2114 let Inst{11-0} = label{11-0};
2117 let hasSideEffects = 1 in {
2118 def LEApcrel : ARMPseudoInst<(outs GPR:$Rd), (ins i32imm:$label, pred:$p),
2119 4, IIC_iALUi, []>, Sched<[WriteALU, ReadALU]>;
2121 def LEApcrelJT : ARMPseudoInst<(outs GPR:$Rd),
2122 (ins i32imm:$label, pred:$p),
2123 4, IIC_iALUi, []>, Sched<[WriteALU, ReadALU]>;
2126 //===----------------------------------------------------------------------===//
2127 // Control Flow Instructions.
2130 let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
2132 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
2133 "bx", "\tlr", [(ARMretflag)]>,
2134 Requires<[IsARM, HasV4T]>, Sched<[WriteBr]> {
2135 let Inst{27-0} = 0b0001001011111111111100011110;
2139 def MOVPCLR : AI<(outs), (ins), BrMiscFrm, IIC_Br,
2140 "mov", "\tpc, lr", [(ARMretflag)]>,
2141 Requires<[IsARM, NoV4T]>, Sched<[WriteBr]> {
2142 let Inst{27-0} = 0b0001101000001111000000001110;
2145 // Exception return: N.b. doesn't set CPSR as far as we're concerned (it sets
2146 // the user-space one).
2147 def SUBS_PC_LR : ARMPseudoInst<(outs), (ins i32imm:$offset, pred:$p),
2149 [(ARMintretflag imm:$offset)]>;
2152 // Indirect branches
2153 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
2155 def BX : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
2156 [(brind GPR:$dst)]>,
2157 Requires<[IsARM, HasV4T]>, Sched<[WriteBr]> {
2159 let Inst{31-4} = 0b1110000100101111111111110001;
2160 let Inst{3-0} = dst;
2163 def BX_pred : AI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br,
2164 "bx", "\t$dst", [/* pattern left blank */]>,
2165 Requires<[IsARM, HasV4T]>, Sched<[WriteBr]> {
2167 let Inst{27-4} = 0b000100101111111111110001;
2168 let Inst{3-0} = dst;
2172 // SP is marked as a use to prevent stack-pointer assignments that appear
2173 // immediately before calls from potentially appearing dead.
2175 // FIXME: Do we really need a non-predicated version? If so, it should
2176 // at least be a pseudo instruction expanding to the predicated version
2177 // at MC lowering time.
2178 Defs = [LR], Uses = [SP] in {
2179 def BL : ABXI<0b1011, (outs), (ins bl_target:$func),
2180 IIC_Br, "bl\t$func",
2181 [(ARMcall tglobaladdr:$func)]>,
2182 Requires<[IsARM]>, Sched<[WriteBrL]> {
2183 let Inst{31-28} = 0b1110;
2185 let Inst{23-0} = func;
2186 let DecoderMethod = "DecodeBranchImmInstruction";
2189 def BL_pred : ABI<0b1011, (outs), (ins bl_target:$func),
2190 IIC_Br, "bl", "\t$func",
2191 [(ARMcall_pred tglobaladdr:$func)]>,
2192 Requires<[IsARM]>, Sched<[WriteBrL]> {
2194 let Inst{23-0} = func;
2195 let DecoderMethod = "DecodeBranchImmInstruction";
2199 def BLX : AXI<(outs), (ins GPR:$func), BrMiscFrm,
2200 IIC_Br, "blx\t$func",
2201 [(ARMcall GPR:$func)]>,
2202 Requires<[IsARM, HasV5T]>, Sched<[WriteBrL]> {
2204 let Inst{31-4} = 0b1110000100101111111111110011;
2205 let Inst{3-0} = func;
2208 def BLX_pred : AI<(outs), (ins GPR:$func), BrMiscFrm,
2209 IIC_Br, "blx", "\t$func",
2210 [(ARMcall_pred GPR:$func)]>,
2211 Requires<[IsARM, HasV5T]>, Sched<[WriteBrL]> {
2213 let Inst{27-4} = 0b000100101111111111110011;
2214 let Inst{3-0} = func;
2218 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
2219 def BX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func),
2220 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
2221 Requires<[IsARM, HasV4T]>, Sched<[WriteBr]>;
2224 def BMOVPCRX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func),
2225 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
2226 Requires<[IsARM, NoV4T]>, Sched<[WriteBr]>;
2228 // mov lr, pc; b if callee is marked noreturn to avoid confusing the
2229 // return stack predictor.
2230 def BMOVPCB_CALL : ARMPseudoInst<(outs), (ins bl_target:$func),
2231 8, IIC_Br, [(ARMcall_nolink tglobaladdr:$func)]>,
2232 Requires<[IsARM]>, Sched<[WriteBr]>;
2235 let isBranch = 1, isTerminator = 1 in {
2236 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
2237 // a two-value operand where a dag node expects two operands. :(
2238 def Bcc : ABI<0b1010, (outs), (ins br_target:$target),
2239 IIC_Br, "b", "\t$target",
2240 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]>,
2243 let Inst{23-0} = target;
2244 let DecoderMethod = "DecodeBranchImmInstruction";
2247 let isBarrier = 1 in {
2248 // B is "predicable" since it's just a Bcc with an 'always' condition.
2249 let isPredicable = 1 in
2250 // FIXME: We shouldn't need this pseudo at all. Just using Bcc directly
2251 // should be sufficient.
2252 // FIXME: Is B really a Barrier? That doesn't seem right.
2253 def B : ARMPseudoExpand<(outs), (ins br_target:$target), 4, IIC_Br,
2254 [(br bb:$target)], (Bcc br_target:$target, (ops 14, zero_reg))>,
2257 let Size = 4, isNotDuplicable = 1, isIndirectBranch = 1 in {
2258 def BR_JTr : ARMPseudoInst<(outs),
2259 (ins GPR:$target, i32imm:$jt),
2261 [(ARMbrjt GPR:$target, tjumptable:$jt)]>,
2263 // FIXME: This shouldn't use the generic "addrmode2," but rather be split
2264 // into i12 and rs suffixed versions.
2265 def BR_JTm : ARMPseudoInst<(outs),
2266 (ins addrmode2:$target, i32imm:$jt),
2268 [(ARMbrjt (i32 (load addrmode2:$target)),
2269 tjumptable:$jt)]>, Sched<[WriteBrTbl]>;
2270 def BR_JTadd : ARMPseudoInst<(outs),
2271 (ins GPR:$target, GPR:$idx, i32imm:$jt),
2273 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt)]>,
2274 Sched<[WriteBrTbl]>;
2275 } // isNotDuplicable = 1, isIndirectBranch = 1
2281 def BLXi : AXI<(outs), (ins blx_target:$target), BrMiscFrm, NoItinerary,
2282 "blx\t$target", []>,
2283 Requires<[IsARM, HasV5T]>, Sched<[WriteBrL]> {
2284 let Inst{31-25} = 0b1111101;
2286 let Inst{23-0} = target{24-1};
2287 let Inst{24} = target{0};
2291 // Branch and Exchange Jazelle
2292 def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
2293 [/* pattern left blank */]>, Sched<[WriteBr]> {
2295 let Inst{23-20} = 0b0010;
2296 let Inst{19-8} = 0xfff;
2297 let Inst{7-4} = 0b0010;
2298 let Inst{3-0} = func;
2304 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, Uses = [SP] in {
2305 def TCRETURNdi : PseudoInst<(outs), (ins i32imm:$dst), IIC_Br, []>,
2308 def TCRETURNri : PseudoInst<(outs), (ins tcGPR:$dst), IIC_Br, []>,
2311 def TAILJMPd : ARMPseudoExpand<(outs), (ins br_target:$dst),
2313 (Bcc br_target:$dst, (ops 14, zero_reg))>,
2314 Requires<[IsARM]>, Sched<[WriteBr]>;
2316 def TAILJMPr : ARMPseudoExpand<(outs), (ins tcGPR:$dst),
2318 (BX GPR:$dst)>, Sched<[WriteBr]>,
2322 // Secure Monitor Call is a system instruction.
2323 def SMC : ABI<0b0001, (outs), (ins imm0_15:$opt), NoItinerary, "smc", "\t$opt",
2324 []>, Requires<[IsARM, HasTrustZone]> {
2326 let Inst{23-4} = 0b01100000000000000111;
2327 let Inst{3-0} = opt;
2330 // Supervisor Call (Software Interrupt)
2331 let isCall = 1, Uses = [SP] in {
2332 def SVC : ABI<0b1111, (outs), (ins imm24b:$svc), IIC_Br, "svc", "\t$svc", []>,
2335 let Inst{23-0} = svc;
2339 // Store Return State
2340 class SRSI<bit wb, string asm>
2341 : XI<(outs), (ins imm0_31:$mode), AddrModeNone, 4, IndexModeNone, BrFrm,
2342 NoItinerary, asm, "", []> {
2344 let Inst{31-28} = 0b1111;
2345 let Inst{27-25} = 0b100;
2349 let Inst{19-16} = 0b1101; // SP
2350 let Inst{15-5} = 0b00000101000;
2351 let Inst{4-0} = mode;
2354 def SRSDA : SRSI<0, "srsda\tsp, $mode"> {
2355 let Inst{24-23} = 0;
2357 def SRSDA_UPD : SRSI<1, "srsda\tsp!, $mode"> {
2358 let Inst{24-23} = 0;
2360 def SRSDB : SRSI<0, "srsdb\tsp, $mode"> {
2361 let Inst{24-23} = 0b10;
2363 def SRSDB_UPD : SRSI<1, "srsdb\tsp!, $mode"> {
2364 let Inst{24-23} = 0b10;
2366 def SRSIA : SRSI<0, "srsia\tsp, $mode"> {
2367 let Inst{24-23} = 0b01;
2369 def SRSIA_UPD : SRSI<1, "srsia\tsp!, $mode"> {
2370 let Inst{24-23} = 0b01;
2372 def SRSIB : SRSI<0, "srsib\tsp, $mode"> {
2373 let Inst{24-23} = 0b11;
2375 def SRSIB_UPD : SRSI<1, "srsib\tsp!, $mode"> {
2376 let Inst{24-23} = 0b11;
2379 def : ARMInstAlias<"srsda $mode", (SRSDA imm0_31:$mode)>;
2380 def : ARMInstAlias<"srsda $mode!", (SRSDA_UPD imm0_31:$mode)>;
2382 def : ARMInstAlias<"srsdb $mode", (SRSDB imm0_31:$mode)>;
2383 def : ARMInstAlias<"srsdb $mode!", (SRSDB_UPD imm0_31:$mode)>;
2385 def : ARMInstAlias<"srsia $mode", (SRSIA imm0_31:$mode)>;
2386 def : ARMInstAlias<"srsia $mode!", (SRSIA_UPD imm0_31:$mode)>;
2388 def : ARMInstAlias<"srsib $mode", (SRSIB imm0_31:$mode)>;
2389 def : ARMInstAlias<"srsib $mode!", (SRSIB_UPD imm0_31:$mode)>;
2391 // Return From Exception
2392 class RFEI<bit wb, string asm>
2393 : XI<(outs), (ins GPR:$Rn), AddrModeNone, 4, IndexModeNone, BrFrm,
2394 NoItinerary, asm, "", []> {
2396 let Inst{31-28} = 0b1111;
2397 let Inst{27-25} = 0b100;
2401 let Inst{19-16} = Rn;
2402 let Inst{15-0} = 0xa00;
2405 def RFEDA : RFEI<0, "rfeda\t$Rn"> {
2406 let Inst{24-23} = 0;
2408 def RFEDA_UPD : RFEI<1, "rfeda\t$Rn!"> {
2409 let Inst{24-23} = 0;
2411 def RFEDB : RFEI<0, "rfedb\t$Rn"> {
2412 let Inst{24-23} = 0b10;
2414 def RFEDB_UPD : RFEI<1, "rfedb\t$Rn!"> {
2415 let Inst{24-23} = 0b10;
2417 def RFEIA : RFEI<0, "rfeia\t$Rn"> {
2418 let Inst{24-23} = 0b01;
2420 def RFEIA_UPD : RFEI<1, "rfeia\t$Rn!"> {
2421 let Inst{24-23} = 0b01;
2423 def RFEIB : RFEI<0, "rfeib\t$Rn"> {
2424 let Inst{24-23} = 0b11;
2426 def RFEIB_UPD : RFEI<1, "rfeib\t$Rn!"> {
2427 let Inst{24-23} = 0b11;
2430 // Hypervisor Call is a system instruction
2432 def HVC : AInoP< (outs), (ins imm0_65535:$imm), BrFrm, NoItinerary,
2433 "hvc", "\t$imm", []>,
2434 Requires<[IsARM, HasVirtualization]> {
2437 // Even though HVC isn't predicable, it's encoding includes a condition field.
2438 // The instruction is undefined if the condition field is 0xf otherwise it is
2439 // unpredictable if it isn't condition AL (0xe).
2440 let Inst{31-28} = 0b1110;
2441 let Unpredictable{31-28} = 0b1111;
2442 let Inst{27-24} = 0b0001;
2443 let Inst{23-20} = 0b0100;
2444 let Inst{19-8} = imm{15-4};
2445 let Inst{7-4} = 0b0111;
2446 let Inst{3-0} = imm{3-0};
2450 // Return from exception in Hypervisor mode.
2451 let isReturn = 1, isBarrier = 1, isTerminator = 1, Defs = [PC] in
2452 def ERET : ABI<0b0001, (outs), (ins), NoItinerary, "eret", "", []>,
2453 Requires<[IsARM, HasVirtualization]> {
2454 let Inst{23-0} = 0b011000000000000001101110;
2457 //===----------------------------------------------------------------------===//
2458 // Load / Store Instructions.
2464 defm LDR : AI_ldr1<0, "ldr", IIC_iLoad_r, IIC_iLoad_si,
2465 UnOpFrag<(load node:$Src)>>;
2466 defm LDRB : AI_ldr1nopc<1, "ldrb", IIC_iLoad_bh_r, IIC_iLoad_bh_si,
2467 UnOpFrag<(zextloadi8 node:$Src)>>;
2468 defm STR : AI_str1<0, "str", IIC_iStore_r, IIC_iStore_si,
2469 BinOpFrag<(store node:$LHS, node:$RHS)>>;
2470 defm STRB : AI_str1nopc<1, "strb", IIC_iStore_bh_r, IIC_iStore_bh_si,
2471 BinOpFrag<(truncstorei8 node:$LHS, node:$RHS)>>;
2473 // Special LDR for loads from non-pc-relative constpools.
2474 let canFoldAsLoad = 1, mayLoad = 1, hasSideEffects = 0,
2475 isReMaterializable = 1, isCodeGenOnly = 1 in
2476 def LDRcp : AI2ldst<0b010, 1, 0, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
2477 AddrMode_i12, LdFrm, IIC_iLoad_r, "ldr", "\t$Rt, $addr",
2481 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2482 let Inst{19-16} = 0b1111;
2483 let Inst{15-12} = Rt;
2484 let Inst{11-0} = addr{11-0}; // imm12
2487 // Loads with zero extension
2488 def LDRH : AI3ld<0b1011, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
2489 IIC_iLoad_bh_r, "ldrh", "\t$Rt, $addr",
2490 [(set GPR:$Rt, (zextloadi16 addrmode3:$addr))]>;
2492 // Loads with sign extension
2493 def LDRSH : AI3ld<0b1111, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
2494 IIC_iLoad_bh_r, "ldrsh", "\t$Rt, $addr",
2495 [(set GPR:$Rt, (sextloadi16 addrmode3:$addr))]>;
2497 def LDRSB : AI3ld<0b1101, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
2498 IIC_iLoad_bh_r, "ldrsb", "\t$Rt, $addr",
2499 [(set GPR:$Rt, (sextloadi8 addrmode3:$addr))]>;
2501 let mayLoad = 1, hasSideEffects = 0, hasExtraDefRegAllocReq = 1 in {
2503 def LDRD : AI3ld<0b1101, 0, (outs GPR:$Rt, GPR:$Rt2), (ins addrmode3:$addr),
2504 LdMiscFrm, IIC_iLoad_d_r, "ldrd", "\t$Rt, $Rt2, $addr", []>,
2505 Requires<[IsARM, HasV5TE]>;
2508 def LDA : AIldracq<0b00, (outs GPR:$Rt), (ins addr_offset_none:$addr),
2509 NoItinerary, "lda", "\t$Rt, $addr", []>;
2510 def LDAB : AIldracq<0b10, (outs GPR:$Rt), (ins addr_offset_none:$addr),
2511 NoItinerary, "ldab", "\t$Rt, $addr", []>;
2512 def LDAH : AIldracq<0b11, (outs GPR:$Rt), (ins addr_offset_none:$addr),
2513 NoItinerary, "ldah", "\t$Rt, $addr", []>;
2516 multiclass AI2_ldridx<bit isByte, string opc,
2517 InstrItinClass iii, InstrItinClass iir> {
2518 def _PRE_IMM : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb),
2519 (ins addrmode_imm12_pre:$addr), IndexModePre, LdFrm, iii,
2520 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2523 let Inst{23} = addr{12};
2524 let Inst{19-16} = addr{16-13};
2525 let Inst{11-0} = addr{11-0};
2526 let DecoderMethod = "DecodeLDRPreImm";
2529 def _PRE_REG : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb),
2530 (ins ldst_so_reg:$addr), IndexModePre, LdFrm, iir,
2531 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2534 let Inst{23} = addr{12};
2535 let Inst{19-16} = addr{16-13};
2536 let Inst{11-0} = addr{11-0};
2538 let DecoderMethod = "DecodeLDRPreReg";
2541 def _POST_REG : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2542 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2543 IndexModePost, LdFrm, iir,
2544 opc, "\t$Rt, $addr, $offset",
2545 "$addr.base = $Rn_wb", []> {
2551 let Inst{23} = offset{12};
2552 let Inst{19-16} = addr;
2553 let Inst{11-0} = offset{11-0};
2556 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2559 def _POST_IMM : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2560 (ins addr_offset_none:$addr, am2offset_imm:$offset),
2561 IndexModePost, LdFrm, iii,
2562 opc, "\t$Rt, $addr, $offset",
2563 "$addr.base = $Rn_wb", []> {
2569 let Inst{23} = offset{12};
2570 let Inst{19-16} = addr;
2571 let Inst{11-0} = offset{11-0};
2573 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2578 let mayLoad = 1, hasSideEffects = 0 in {
2579 // FIXME: for LDR_PRE_REG etc. the itineray should be either IIC_iLoad_ru or
2580 // IIC_iLoad_siu depending on whether it the offset register is shifted.
2581 defm LDR : AI2_ldridx<0, "ldr", IIC_iLoad_iu, IIC_iLoad_ru>;
2582 defm LDRB : AI2_ldridx<1, "ldrb", IIC_iLoad_bh_iu, IIC_iLoad_bh_ru>;
2585 multiclass AI3_ldridx<bits<4> op, string opc, InstrItinClass itin> {
2586 def _PRE : AI3ldstidx<op, 1, 1, (outs GPR:$Rt, GPR:$Rn_wb),
2587 (ins addrmode3_pre:$addr), IndexModePre,
2589 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2591 let Inst{23} = addr{8}; // U bit
2592 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2593 let Inst{19-16} = addr{12-9}; // Rn
2594 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2595 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2596 let DecoderMethod = "DecodeAddrMode3Instruction";
2598 def _POST : AI3ldstidx<op, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2599 (ins addr_offset_none:$addr, am3offset:$offset),
2600 IndexModePost, LdMiscFrm, itin,
2601 opc, "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb",
2605 let Inst{23} = offset{8}; // U bit
2606 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2607 let Inst{19-16} = addr;
2608 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2609 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2610 let DecoderMethod = "DecodeAddrMode3Instruction";
2614 let mayLoad = 1, hasSideEffects = 0 in {
2615 defm LDRH : AI3_ldridx<0b1011, "ldrh", IIC_iLoad_bh_ru>;
2616 defm LDRSH : AI3_ldridx<0b1111, "ldrsh", IIC_iLoad_bh_ru>;
2617 defm LDRSB : AI3_ldridx<0b1101, "ldrsb", IIC_iLoad_bh_ru>;
2618 let hasExtraDefRegAllocReq = 1 in {
2619 def LDRD_PRE : AI3ldstidx<0b1101, 0, 1, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
2620 (ins addrmode3_pre:$addr), IndexModePre,
2621 LdMiscFrm, IIC_iLoad_d_ru,
2622 "ldrd", "\t$Rt, $Rt2, $addr!",
2623 "$addr.base = $Rn_wb", []> {
2625 let Inst{23} = addr{8}; // U bit
2626 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2627 let Inst{19-16} = addr{12-9}; // Rn
2628 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2629 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2630 let DecoderMethod = "DecodeAddrMode3Instruction";
2632 def LDRD_POST: AI3ldstidx<0b1101, 0, 0, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
2633 (ins addr_offset_none:$addr, am3offset:$offset),
2634 IndexModePost, LdMiscFrm, IIC_iLoad_d_ru,
2635 "ldrd", "\t$Rt, $Rt2, $addr, $offset",
2636 "$addr.base = $Rn_wb", []> {
2639 let Inst{23} = offset{8}; // U bit
2640 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2641 let Inst{19-16} = addr;
2642 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2643 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2644 let DecoderMethod = "DecodeAddrMode3Instruction";
2646 } // hasExtraDefRegAllocReq = 1
2647 } // mayLoad = 1, hasSideEffects = 0
2649 // LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT.
2650 let mayLoad = 1, hasSideEffects = 0 in {
2651 def LDRT_POST_REG : AI2ldstidx<1, 0, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2652 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2653 IndexModePost, LdFrm, IIC_iLoad_ru,
2654 "ldrt", "\t$Rt, $addr, $offset",
2655 "$addr.base = $Rn_wb", []> {
2661 let Inst{23} = offset{12};
2662 let Inst{21} = 1; // overwrite
2663 let Inst{19-16} = addr;
2664 let Inst{11-5} = offset{11-5};
2666 let Inst{3-0} = offset{3-0};
2667 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2671 : AI2ldstidx<1, 0, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2672 (ins addr_offset_none:$addr, am2offset_imm:$offset),
2673 IndexModePost, LdFrm, IIC_iLoad_ru,
2674 "ldrt", "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb", []> {
2680 let Inst{23} = offset{12};
2681 let Inst{21} = 1; // overwrite
2682 let Inst{19-16} = addr;
2683 let Inst{11-0} = offset{11-0};
2684 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2687 def LDRBT_POST_REG : AI2ldstidx<1, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2688 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2689 IndexModePost, LdFrm, IIC_iLoad_bh_ru,
2690 "ldrbt", "\t$Rt, $addr, $offset",
2691 "$addr.base = $Rn_wb", []> {
2697 let Inst{23} = offset{12};
2698 let Inst{21} = 1; // overwrite
2699 let Inst{19-16} = addr;
2700 let Inst{11-5} = offset{11-5};
2702 let Inst{3-0} = offset{3-0};
2703 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2707 : AI2ldstidx<1, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2708 (ins addr_offset_none:$addr, am2offset_imm:$offset),
2709 IndexModePost, LdFrm, IIC_iLoad_bh_ru,
2710 "ldrbt", "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb", []> {
2716 let Inst{23} = offset{12};
2717 let Inst{21} = 1; // overwrite
2718 let Inst{19-16} = addr;
2719 let Inst{11-0} = offset{11-0};
2720 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2723 multiclass AI3ldrT<bits<4> op, string opc> {
2724 def i : AI3ldstidxT<op, 1, (outs GPR:$Rt, GPR:$base_wb),
2725 (ins addr_offset_none:$addr, postidx_imm8:$offset),
2726 IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru, opc,
2727 "\t$Rt, $addr, $offset", "$addr.base = $base_wb", []> {
2729 let Inst{23} = offset{8};
2731 let Inst{11-8} = offset{7-4};
2732 let Inst{3-0} = offset{3-0};
2734 def r : AI3ldstidxT<op, 1, (outs GPRnopc:$Rt, GPRnopc:$base_wb),
2735 (ins addr_offset_none:$addr, postidx_reg:$Rm),
2736 IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru, opc,
2737 "\t$Rt, $addr, $Rm", "$addr.base = $base_wb", []> {
2739 let Inst{23} = Rm{4};
2742 let Unpredictable{11-8} = 0b1111;
2743 let Inst{3-0} = Rm{3-0};
2744 let DecoderMethod = "DecodeLDR";
2748 defm LDRSBT : AI3ldrT<0b1101, "ldrsbt">;
2749 defm LDRHT : AI3ldrT<0b1011, "ldrht">;
2750 defm LDRSHT : AI3ldrT<0b1111, "ldrsht">;
2754 : ARMAsmPseudo<"ldrt${q} $Rt, $addr", (ins addr_offset_none:$addr, pred:$q),
2758 : ARMAsmPseudo<"ldrbt${q} $Rt, $addr", (ins addr_offset_none:$addr, pred:$q),
2763 // Stores with truncate
2764 def STRH : AI3str<0b1011, (outs), (ins GPR:$Rt, addrmode3:$addr), StMiscFrm,
2765 IIC_iStore_bh_r, "strh", "\t$Rt, $addr",
2766 [(truncstorei16 GPR:$Rt, addrmode3:$addr)]>;
2769 let mayStore = 1, hasSideEffects = 0, hasExtraSrcRegAllocReq = 1 in {
2770 def STRD : AI3str<0b1111, (outs), (ins GPR:$Rt, GPR:$Rt2, addrmode3:$addr),
2771 StMiscFrm, IIC_iStore_d_r, "strd", "\t$Rt, $Rt2, $addr", []>,
2772 Requires<[IsARM, HasV5TE]> {
2778 multiclass AI2_stridx<bit isByte, string opc,
2779 InstrItinClass iii, InstrItinClass iir> {
2780 def _PRE_IMM : AI2ldstidx<0, isByte, 1, (outs GPR:$Rn_wb),
2781 (ins GPR:$Rt, addrmode_imm12_pre:$addr), IndexModePre,
2783 opc, "\t$Rt, $addr!",
2784 "$addr.base = $Rn_wb,@earlyclobber $Rn_wb", []> {
2787 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2788 let Inst{19-16} = addr{16-13}; // Rn
2789 let Inst{11-0} = addr{11-0}; // imm12
2790 let DecoderMethod = "DecodeSTRPreImm";
2793 def _PRE_REG : AI2ldstidx<0, isByte, 1, (outs GPR:$Rn_wb),
2794 (ins GPR:$Rt, ldst_so_reg:$addr),
2795 IndexModePre, StFrm, iir,
2796 opc, "\t$Rt, $addr!",
2797 "$addr.base = $Rn_wb,@earlyclobber $Rn_wb", []> {
2800 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2801 let Inst{19-16} = addr{16-13}; // Rn
2802 let Inst{11-0} = addr{11-0};
2803 let Inst{4} = 0; // Inst{4} = 0
2804 let DecoderMethod = "DecodeSTRPreReg";
2806 def _POST_REG : AI2ldstidx<0, isByte, 0, (outs GPR:$Rn_wb),
2807 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_reg:$offset),
2808 IndexModePost, StFrm, iir,
2809 opc, "\t$Rt, $addr, $offset",
2810 "$addr.base = $Rn_wb,@earlyclobber $Rn_wb", []> {
2816 let Inst{23} = offset{12};
2817 let Inst{19-16} = addr;
2818 let Inst{11-0} = offset{11-0};
2821 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2824 def _POST_IMM : AI2ldstidx<0, isByte, 0, (outs GPR:$Rn_wb),
2825 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_imm:$offset),
2826 IndexModePost, StFrm, iii,
2827 opc, "\t$Rt, $addr, $offset",
2828 "$addr.base = $Rn_wb,@earlyclobber $Rn_wb", []> {
2834 let Inst{23} = offset{12};
2835 let Inst{19-16} = addr;
2836 let Inst{11-0} = offset{11-0};
2838 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2842 let mayStore = 1, hasSideEffects = 0 in {
2843 // FIXME: for STR_PRE_REG etc. the itineray should be either IIC_iStore_ru or
2844 // IIC_iStore_siu depending on whether it the offset register is shifted.
2845 defm STR : AI2_stridx<0, "str", IIC_iStore_iu, IIC_iStore_ru>;
2846 defm STRB : AI2_stridx<1, "strb", IIC_iStore_bh_iu, IIC_iStore_bh_ru>;
2849 def : ARMPat<(post_store GPR:$Rt, addr_offset_none:$addr,
2850 am2offset_reg:$offset),
2851 (STR_POST_REG GPR:$Rt, addr_offset_none:$addr,
2852 am2offset_reg:$offset)>;
2853 def : ARMPat<(post_store GPR:$Rt, addr_offset_none:$addr,
2854 am2offset_imm:$offset),
2855 (STR_POST_IMM GPR:$Rt, addr_offset_none:$addr,
2856 am2offset_imm:$offset)>;
2857 def : ARMPat<(post_truncsti8 GPR:$Rt, addr_offset_none:$addr,
2858 am2offset_reg:$offset),
2859 (STRB_POST_REG GPR:$Rt, addr_offset_none:$addr,
2860 am2offset_reg:$offset)>;
2861 def : ARMPat<(post_truncsti8 GPR:$Rt, addr_offset_none:$addr,
2862 am2offset_imm:$offset),
2863 (STRB_POST_IMM GPR:$Rt, addr_offset_none:$addr,
2864 am2offset_imm:$offset)>;
2866 // Pseudo-instructions for pattern matching the pre-indexed stores. We can't
2867 // put the patterns on the instruction definitions directly as ISel wants
2868 // the address base and offset to be separate operands, not a single
2869 // complex operand like we represent the instructions themselves. The
2870 // pseudos map between the two.
2871 let usesCustomInserter = 1,
2872 Constraints = "$Rn = $Rn_wb,@earlyclobber $Rn_wb" in {
2873 def STRi_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2874 (ins GPR:$Rt, GPR:$Rn, am2offset_imm:$offset, pred:$p),
2877 (pre_store GPR:$Rt, GPR:$Rn, am2offset_imm:$offset))]>;
2878 def STRr_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2879 (ins GPR:$Rt, GPR:$Rn, am2offset_reg:$offset, pred:$p),
2882 (pre_store GPR:$Rt, GPR:$Rn, am2offset_reg:$offset))]>;
2883 def STRBi_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2884 (ins GPR:$Rt, GPR:$Rn, am2offset_imm:$offset, pred:$p),
2887 (pre_truncsti8 GPR:$Rt, GPR:$Rn, am2offset_imm:$offset))]>;
2888 def STRBr_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2889 (ins GPR:$Rt, GPR:$Rn, am2offset_reg:$offset, pred:$p),
2892 (pre_truncsti8 GPR:$Rt, GPR:$Rn, am2offset_reg:$offset))]>;
2893 def STRH_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2894 (ins GPR:$Rt, GPR:$Rn, am3offset:$offset, pred:$p),
2897 (pre_truncsti16 GPR:$Rt, GPR:$Rn, am3offset:$offset))]>;
2902 def STRH_PRE : AI3ldstidx<0b1011, 0, 1, (outs GPR:$Rn_wb),
2903 (ins GPR:$Rt, addrmode3_pre:$addr), IndexModePre,
2904 StMiscFrm, IIC_iStore_bh_ru,
2905 "strh", "\t$Rt, $addr!",
2906 "$addr.base = $Rn_wb,@earlyclobber $Rn_wb", []> {
2908 let Inst{23} = addr{8}; // U bit
2909 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2910 let Inst{19-16} = addr{12-9}; // Rn
2911 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2912 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2913 let DecoderMethod = "DecodeAddrMode3Instruction";
2916 def STRH_POST : AI3ldstidx<0b1011, 0, 0, (outs GPR:$Rn_wb),
2917 (ins GPR:$Rt, addr_offset_none:$addr, am3offset:$offset),
2918 IndexModePost, StMiscFrm, IIC_iStore_bh_ru,
2919 "strh", "\t$Rt, $addr, $offset",
2920 "$addr.base = $Rn_wb,@earlyclobber $Rn_wb",
2921 [(set GPR:$Rn_wb, (post_truncsti16 GPR:$Rt,
2922 addr_offset_none:$addr,
2923 am3offset:$offset))]> {
2926 let Inst{23} = offset{8}; // U bit
2927 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2928 let Inst{19-16} = addr;
2929 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2930 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2931 let DecoderMethod = "DecodeAddrMode3Instruction";
2934 let mayStore = 1, hasSideEffects = 0, hasExtraSrcRegAllocReq = 1 in {
2935 def STRD_PRE : AI3ldstidx<0b1111, 0, 1, (outs GPR:$Rn_wb),
2936 (ins GPR:$Rt, GPR:$Rt2, addrmode3_pre:$addr),
2937 IndexModePre, StMiscFrm, IIC_iStore_d_ru,
2938 "strd", "\t$Rt, $Rt2, $addr!",
2939 "$addr.base = $Rn_wb", []> {
2941 let Inst{23} = addr{8}; // U bit
2942 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2943 let Inst{19-16} = addr{12-9}; // Rn
2944 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2945 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2946 let DecoderMethod = "DecodeAddrMode3Instruction";
2949 def STRD_POST: AI3ldstidx<0b1111, 0, 0, (outs GPR:$Rn_wb),
2950 (ins GPR:$Rt, GPR:$Rt2, addr_offset_none:$addr,
2952 IndexModePost, StMiscFrm, IIC_iStore_d_ru,
2953 "strd", "\t$Rt, $Rt2, $addr, $offset",
2954 "$addr.base = $Rn_wb", []> {
2957 let Inst{23} = offset{8}; // U bit
2958 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2959 let Inst{19-16} = addr;
2960 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2961 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2962 let DecoderMethod = "DecodeAddrMode3Instruction";
2964 } // mayStore = 1, hasSideEffects = 0, hasExtraSrcRegAllocReq = 1
2966 // STRT, STRBT, and STRHT
2968 def STRBT_POST_REG : AI2ldstidx<0, 1, 0, (outs GPR:$Rn_wb),
2969 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_reg:$offset),
2970 IndexModePost, StFrm, IIC_iStore_bh_ru,
2971 "strbt", "\t$Rt, $addr, $offset",
2972 "$addr.base = $Rn_wb", []> {
2978 let Inst{23} = offset{12};
2979 let Inst{21} = 1; // overwrite
2980 let Inst{19-16} = addr;
2981 let Inst{11-5} = offset{11-5};
2983 let Inst{3-0} = offset{3-0};
2984 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2988 : AI2ldstidx<0, 1, 0, (outs GPR:$Rn_wb),
2989 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_imm:$offset),
2990 IndexModePost, StFrm, IIC_iStore_bh_ru,
2991 "strbt", "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb", []> {
2997 let Inst{23} = offset{12};
2998 let Inst{21} = 1; // overwrite
2999 let Inst{19-16} = addr;
3000 let Inst{11-0} = offset{11-0};
3001 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
3005 : ARMAsmPseudo<"strbt${q} $Rt, $addr",
3006 (ins GPR:$Rt, addr_offset_none:$addr, pred:$q)>;
3008 let mayStore = 1, hasSideEffects = 0 in {
3009 def STRT_POST_REG : AI2ldstidx<0, 0, 0, (outs GPR:$Rn_wb),
3010 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_reg:$offset),
3011 IndexModePost, StFrm, IIC_iStore_ru,
3012 "strt", "\t$Rt, $addr, $offset",
3013 "$addr.base = $Rn_wb", []> {
3019 let Inst{23} = offset{12};
3020 let Inst{21} = 1; // overwrite
3021 let Inst{19-16} = addr;
3022 let Inst{11-5} = offset{11-5};
3024 let Inst{3-0} = offset{3-0};
3025 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
3029 : AI2ldstidx<0, 0, 0, (outs GPR:$Rn_wb),
3030 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_imm:$offset),
3031 IndexModePost, StFrm, IIC_iStore_ru,
3032 "strt", "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb", []> {
3038 let Inst{23} = offset{12};
3039 let Inst{21} = 1; // overwrite
3040 let Inst{19-16} = addr;
3041 let Inst{11-0} = offset{11-0};
3042 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
3047 : ARMAsmPseudo<"strt${q} $Rt, $addr",
3048 (ins GPR:$Rt, addr_offset_none:$addr, pred:$q)>;
3050 multiclass AI3strT<bits<4> op, string opc> {
3051 def i : AI3ldstidxT<op, 0, (outs GPR:$base_wb),
3052 (ins GPR:$Rt, addr_offset_none:$addr, postidx_imm8:$offset),
3053 IndexModePost, StMiscFrm, IIC_iStore_bh_ru, opc,
3054 "\t$Rt, $addr, $offset", "$addr.base = $base_wb", []> {
3056 let Inst{23} = offset{8};
3058 let Inst{11-8} = offset{7-4};
3059 let Inst{3-0} = offset{3-0};
3061 def r : AI3ldstidxT<op, 0, (outs GPR:$base_wb),
3062 (ins GPR:$Rt, addr_offset_none:$addr, postidx_reg:$Rm),
3063 IndexModePost, StMiscFrm, IIC_iStore_bh_ru, opc,
3064 "\t$Rt, $addr, $Rm", "$addr.base = $base_wb", []> {
3066 let Inst{23} = Rm{4};
3069 let Inst{3-0} = Rm{3-0};
3074 defm STRHT : AI3strT<0b1011, "strht">;
3076 def STL : AIstrrel<0b00, (outs), (ins GPR:$Rt, addr_offset_none:$addr),
3077 NoItinerary, "stl", "\t$Rt, $addr", []>;
3078 def STLB : AIstrrel<0b10, (outs), (ins GPR:$Rt, addr_offset_none:$addr),
3079 NoItinerary, "stlb", "\t$Rt, $addr", []>;
3080 def STLH : AIstrrel<0b11, (outs), (ins GPR:$Rt, addr_offset_none:$addr),
3081 NoItinerary, "stlh", "\t$Rt, $addr", []>;
3083 //===----------------------------------------------------------------------===//
3084 // Load / store multiple Instructions.
3087 multiclass arm_ldst_mult<string asm, string sfx, bit L_bit, bit P_bit, Format f,
3088 InstrItinClass itin, InstrItinClass itin_upd> {
3089 // IA is the default, so no need for an explicit suffix on the
3090 // mnemonic here. Without it is the canonical spelling.
3092 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
3093 IndexModeNone, f, itin,
3094 !strconcat(asm, "${p}\t$Rn, $regs", sfx), "", []> {
3095 let Inst{24-23} = 0b01; // Increment After
3096 let Inst{22} = P_bit;
3097 let Inst{21} = 0; // No writeback
3098 let Inst{20} = L_bit;
3101 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
3102 IndexModeUpd, f, itin_upd,
3103 !strconcat(asm, "${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
3104 let Inst{24-23} = 0b01; // Increment After
3105 let Inst{22} = P_bit;
3106 let Inst{21} = 1; // Writeback
3107 let Inst{20} = L_bit;
3109 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
3112 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
3113 IndexModeNone, f, itin,
3114 !strconcat(asm, "da${p}\t$Rn, $regs", sfx), "", []> {
3115 let Inst{24-23} = 0b00; // Decrement After
3116 let Inst{22} = P_bit;
3117 let Inst{21} = 0; // No writeback
3118 let Inst{20} = L_bit;
3121 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
3122 IndexModeUpd, f, itin_upd,
3123 !strconcat(asm, "da${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
3124 let Inst{24-23} = 0b00; // Decrement After
3125 let Inst{22} = P_bit;
3126 let Inst{21} = 1; // Writeback
3127 let Inst{20} = L_bit;
3129 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
3132 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
3133 IndexModeNone, f, itin,
3134 !strconcat(asm, "db${p}\t$Rn, $regs", sfx), "", []> {
3135 let Inst{24-23} = 0b10; // Decrement Before
3136 let Inst{22} = P_bit;
3137 let Inst{21} = 0; // No writeback
3138 let Inst{20} = L_bit;
3141 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
3142 IndexModeUpd, f, itin_upd,
3143 !strconcat(asm, "db${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
3144 let Inst{24-23} = 0b10; // Decrement Before
3145 let Inst{22} = P_bit;
3146 let Inst{21} = 1; // Writeback
3147 let Inst{20} = L_bit;
3149 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
3152 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
3153 IndexModeNone, f, itin,
3154 !strconcat(asm, "ib${p}\t$Rn, $regs", sfx), "", []> {
3155 let Inst{24-23} = 0b11; // Increment Before
3156 let Inst{22} = P_bit;
3157 let Inst{21} = 0; // No writeback
3158 let Inst{20} = L_bit;
3161 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
3162 IndexModeUpd, f, itin_upd,
3163 !strconcat(asm, "ib${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
3164 let Inst{24-23} = 0b11; // Increment Before
3165 let Inst{22} = P_bit;
3166 let Inst{21} = 1; // Writeback
3167 let Inst{20} = L_bit;
3169 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
3173 let hasSideEffects = 0 in {
3175 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
3176 defm LDM : arm_ldst_mult<"ldm", "", 1, 0, LdStMulFrm, IIC_iLoad_m,
3177 IIC_iLoad_mu>, ComplexDeprecationPredicate<"ARMLoad">;
3179 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
3180 defm STM : arm_ldst_mult<"stm", "", 0, 0, LdStMulFrm, IIC_iStore_m,
3182 ComplexDeprecationPredicate<"ARMStore">;
3186 // FIXME: remove when we have a way to marking a MI with these properties.
3187 // FIXME: Should pc be an implicit operand like PICADD, etc?
3188 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
3189 hasExtraDefRegAllocReq = 1, isCodeGenOnly = 1 in
3190 def LDMIA_RET : ARMPseudoExpand<(outs GPR:$wb), (ins GPR:$Rn, pred:$p,
3191 reglist:$regs, variable_ops),
3192 4, IIC_iLoad_mBr, [],
3193 (LDMIA_UPD GPR:$wb, GPR:$Rn, pred:$p, reglist:$regs)>,
3194 RegConstraint<"$Rn = $wb">;
3196 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
3197 defm sysLDM : arm_ldst_mult<"ldm", " ^", 1, 1, LdStMulFrm, IIC_iLoad_m,
3200 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
3201 defm sysSTM : arm_ldst_mult<"stm", " ^", 0, 1, LdStMulFrm, IIC_iStore_m,
3206 //===----------------------------------------------------------------------===//
3207 // Move Instructions.
3210 let hasSideEffects = 0 in
3211 def MOVr : AsI1<0b1101, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMOVr,
3212 "mov", "\t$Rd, $Rm", []>, UnaryDP, Sched<[WriteALU]> {
3216 let Inst{19-16} = 0b0000;
3217 let Inst{11-4} = 0b00000000;
3220 let Inst{15-12} = Rd;
3223 // A version for the smaller set of tail call registers.
3224 let hasSideEffects = 0 in
3225 def MOVr_TC : AsI1<0b1101, (outs tcGPR:$Rd), (ins tcGPR:$Rm), DPFrm,
3226 IIC_iMOVr, "mov", "\t$Rd, $Rm", []>, UnaryDP, Sched<[WriteALU]> {
3230 let Inst{11-4} = 0b00000000;
3233 let Inst{15-12} = Rd;
3236 def MOVsr : AsI1<0b1101, (outs GPRnopc:$Rd), (ins shift_so_reg_reg:$src),
3237 DPSoRegRegFrm, IIC_iMOVsr,
3238 "mov", "\t$Rd, $src",
3239 [(set GPRnopc:$Rd, shift_so_reg_reg:$src)]>, UnaryDP,
3243 let Inst{15-12} = Rd;
3244 let Inst{19-16} = 0b0000;
3245 let Inst{11-8} = src{11-8};
3247 let Inst{6-5} = src{6-5};
3249 let Inst{3-0} = src{3-0};
3253 def MOVsi : AsI1<0b1101, (outs GPR:$Rd), (ins shift_so_reg_imm:$src),
3254 DPSoRegImmFrm, IIC_iMOVsr,
3255 "mov", "\t$Rd, $src", [(set GPR:$Rd, shift_so_reg_imm:$src)]>,
3256 UnaryDP, Sched<[WriteALU]> {
3259 let Inst{15-12} = Rd;
3260 let Inst{19-16} = 0b0000;
3261 let Inst{11-5} = src{11-5};
3263 let Inst{3-0} = src{3-0};
3267 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
3268 def MOVi : AsI1<0b1101, (outs GPR:$Rd), (ins mod_imm:$imm), DPFrm, IIC_iMOVi,
3269 "mov", "\t$Rd, $imm", [(set GPR:$Rd, mod_imm:$imm)]>, UnaryDP,
3274 let Inst{15-12} = Rd;
3275 let Inst{19-16} = 0b0000;
3276 let Inst{11-0} = imm;
3279 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
3280 def MOVi16 : AI1<0b1000, (outs GPR:$Rd), (ins imm0_65535_expr:$imm),
3282 "movw", "\t$Rd, $imm",
3283 [(set GPR:$Rd, imm0_65535:$imm)]>,
3284 Requires<[IsARM, HasV6T2]>, UnaryDP, Sched<[WriteALU]> {
3287 let Inst{15-12} = Rd;
3288 let Inst{11-0} = imm{11-0};
3289 let Inst{19-16} = imm{15-12};
3292 let DecoderMethod = "DecodeArmMOVTWInstruction";
3295 def : InstAlias<"mov${p} $Rd, $imm",
3296 (MOVi16 GPR:$Rd, imm0_65535_expr:$imm, pred:$p)>,
3299 def MOVi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
3300 (ins i32imm:$addr, pclabel:$id), IIC_iMOVi, []>,
3303 let Constraints = "$src = $Rd" in {
3304 def MOVTi16 : AI1<0b1010, (outs GPRnopc:$Rd),
3305 (ins GPR:$src, imm0_65535_expr:$imm),
3307 "movt", "\t$Rd, $imm",
3309 (or (and GPR:$src, 0xffff),
3310 lo16AllZero:$imm))]>, UnaryDP,
3311 Requires<[IsARM, HasV6T2]>, Sched<[WriteALU]> {
3314 let Inst{15-12} = Rd;
3315 let Inst{11-0} = imm{11-0};
3316 let Inst{19-16} = imm{15-12};
3319 let DecoderMethod = "DecodeArmMOVTWInstruction";
3322 def MOVTi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
3323 (ins GPR:$src, i32imm:$addr, pclabel:$id), IIC_iMOVi, []>,
3328 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
3329 Requires<[IsARM, HasV6T2]>;
3331 let Uses = [CPSR] in
3332 def RRX: PseudoInst<(outs GPR:$Rd), (ins GPR:$Rm), IIC_iMOVsi,
3333 [(set GPR:$Rd, (ARMrrx GPR:$Rm))]>, UnaryDP,
3334 Requires<[IsARM]>, Sched<[WriteALU]>;
3336 // These aren't really mov instructions, but we have to define them this way
3337 // due to flag operands.
3339 let Defs = [CPSR] in {
3340 def MOVsrl_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
3341 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP,
3342 Sched<[WriteALU]>, Requires<[IsARM]>;
3343 def MOVsra_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
3344 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP,
3345 Sched<[WriteALU]>, Requires<[IsARM]>;
3348 //===----------------------------------------------------------------------===//
3349 // Extend Instructions.
3354 def SXTB : AI_ext_rrot<0b01101010,
3355 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
3356 def SXTH : AI_ext_rrot<0b01101011,
3357 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
3359 def SXTAB : AI_exta_rrot<0b01101010,
3360 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
3361 def SXTAH : AI_exta_rrot<0b01101011,
3362 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
3364 def SXTB16 : AI_ext_rrot_np<0b01101000, "sxtb16">;
3366 def SXTAB16 : AI_exta_rrot_np<0b01101000, "sxtab16">;
3370 let AddedComplexity = 16 in {
3371 def UXTB : AI_ext_rrot<0b01101110,
3372 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
3373 def UXTH : AI_ext_rrot<0b01101111,
3374 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
3375 def UXTB16 : AI_ext_rrot<0b01101100,
3376 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
3378 // FIXME: This pattern incorrectly assumes the shl operator is a rotate.
3379 // The transformation should probably be done as a combiner action
3380 // instead so we can include a check for masking back in the upper
3381 // eight bits of the source into the lower eight bits of the result.
3382 //def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
3383 // (UXTB16r_rot GPR:$Src, 3)>;
3384 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
3385 (UXTB16 GPR:$Src, 1)>;
3387 def UXTAB : AI_exta_rrot<0b01101110, "uxtab",
3388 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
3389 def UXTAH : AI_exta_rrot<0b01101111, "uxtah",
3390 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
3393 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
3394 def UXTAB16 : AI_exta_rrot_np<0b01101100, "uxtab16">;
3397 def SBFX : I<(outs GPRnopc:$Rd),
3398 (ins GPRnopc:$Rn, imm0_31:$lsb, imm1_32:$width),
3399 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3400 "sbfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
3401 Requires<[IsARM, HasV6T2]> {
3406 let Inst{27-21} = 0b0111101;
3407 let Inst{6-4} = 0b101;
3408 let Inst{20-16} = width;
3409 let Inst{15-12} = Rd;
3410 let Inst{11-7} = lsb;
3414 def UBFX : I<(outs GPRnopc:$Rd),
3415 (ins GPRnopc:$Rn, imm0_31:$lsb, imm1_32:$width),
3416 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3417 "ubfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
3418 Requires<[IsARM, HasV6T2]> {
3423 let Inst{27-21} = 0b0111111;
3424 let Inst{6-4} = 0b101;
3425 let Inst{20-16} = width;
3426 let Inst{15-12} = Rd;
3427 let Inst{11-7} = lsb;
3431 //===----------------------------------------------------------------------===//
3432 // Arithmetic Instructions.
3435 defm ADD : AsI1_bin_irs<0b0100, "add",
3436 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3437 BinOpFrag<(add node:$LHS, node:$RHS)>, 1>;
3438 defm SUB : AsI1_bin_irs<0b0010, "sub",
3439 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3440 BinOpFrag<(sub node:$LHS, node:$RHS)>>;
3442 // ADD and SUB with 's' bit set.
3444 // Currently, ADDS/SUBS are pseudo opcodes that exist only in the
3445 // selection DAG. They are "lowered" to real ADD/SUB opcodes by
3446 // AdjustInstrPostInstrSelection where we determine whether or not to
3447 // set the "s" bit based on CPSR liveness.
3449 // FIXME: Eliminate ADDS/SUBS pseudo opcodes after adding tablegen
3450 // support for an optional CPSR definition that corresponds to the DAG
3451 // node's second value. We can then eliminate the implicit def of CPSR.
3452 defm ADDS : AsI1_bin_s_irs<IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3453 BinOpFrag<(ARMaddc node:$LHS, node:$RHS)>, 1>;
3454 defm SUBS : AsI1_bin_s_irs<IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3455 BinOpFrag<(ARMsubc node:$LHS, node:$RHS)>>;
3457 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
3458 BinOpWithFlagFrag<(ARMadde node:$LHS, node:$RHS, node:$FLAG)>, 1>;
3459 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
3460 BinOpWithFlagFrag<(ARMsube node:$LHS, node:$RHS, node:$FLAG)>>;
3462 defm RSB : AsI1_rbin_irs<0b0011, "rsb",
3463 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3464 BinOpFrag<(sub node:$LHS, node:$RHS)>>;
3466 // FIXME: Eliminate them if we can write def : Pat patterns which defines
3467 // CPSR and the implicit def of CPSR is not needed.
3468 defm RSBS : AsI1_rbin_s_is<IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3469 BinOpFrag<(ARMsubc node:$LHS, node:$RHS)>>;
3471 defm RSC : AI1_rsc_irs<0b0111, "rsc",
3472 BinOpWithFlagFrag<(ARMsube node:$LHS, node:$RHS, node:$FLAG)>>;
3474 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
3475 // The assume-no-carry-in form uses the negation of the input since add/sub
3476 // assume opposite meanings of the carry flag (i.e., carry == !borrow).
3477 // See the definition of AddWithCarry() in the ARM ARM A2.2.1 for the gory
3479 def : ARMPat<(add GPR:$src, mod_imm_neg:$imm),
3480 (SUBri GPR:$src, mod_imm_neg:$imm)>;
3481 def : ARMPat<(ARMaddc GPR:$src, mod_imm_neg:$imm),
3482 (SUBSri GPR:$src, mod_imm_neg:$imm)>;
3484 def : ARMPat<(add GPR:$src, imm0_65535_neg:$imm),
3485 (SUBrr GPR:$src, (MOVi16 (imm_neg_XFORM imm:$imm)))>,
3486 Requires<[IsARM, HasV6T2]>;
3487 def : ARMPat<(ARMaddc GPR:$src, imm0_65535_neg:$imm),
3488 (SUBSrr GPR:$src, (MOVi16 (imm_neg_XFORM imm:$imm)))>,
3489 Requires<[IsARM, HasV6T2]>;
3491 // The with-carry-in form matches bitwise not instead of the negation.
3492 // Effectively, the inverse interpretation of the carry flag already accounts
3493 // for part of the negation.
3494 def : ARMPat<(ARMadde GPR:$src, mod_imm_not:$imm, CPSR),
3495 (SBCri GPR:$src, mod_imm_not:$imm)>;
3496 def : ARMPat<(ARMadde GPR:$src, imm0_65535_neg:$imm, CPSR),
3497 (SBCrr GPR:$src, (MOVi16 (imm_not_XFORM imm:$imm)))>,
3498 Requires<[IsARM, HasV6T2]>;
3500 // Note: These are implemented in C++ code, because they have to generate
3501 // ADD/SUBrs instructions, which use a complex pattern that a xform function
3503 // (mul X, 2^n+1) -> (add (X << n), X)
3504 // (mul X, 2^n-1) -> (rsb X, (X << n))
3506 // ARM Arithmetic Instruction
3507 // GPR:$dst = GPR:$a op GPR:$b
3508 class AAI<bits<8> op27_20, bits<8> op11_4, string opc,
3509 list<dag> pattern = [],
3510 dag iops = (ins GPRnopc:$Rn, GPRnopc:$Rm),
3511 string asm = "\t$Rd, $Rn, $Rm">
3512 : AI<(outs GPRnopc:$Rd), iops, DPFrm, IIC_iALUr, opc, asm, pattern>,
3513 Sched<[WriteALU, ReadALU, ReadALU]> {
3517 let Inst{27-20} = op27_20;
3518 let Inst{11-4} = op11_4;
3519 let Inst{19-16} = Rn;
3520 let Inst{15-12} = Rd;
3523 let Unpredictable{11-8} = 0b1111;
3526 // Saturating add/subtract
3528 let DecoderMethod = "DecodeQADDInstruction" in
3529 def QADD : AAI<0b00010000, 0b00000101, "qadd",
3530 [(set GPRnopc:$Rd, (int_arm_qadd GPRnopc:$Rm, GPRnopc:$Rn))],
3531 (ins GPRnopc:$Rm, GPRnopc:$Rn), "\t$Rd, $Rm, $Rn">;
3533 def QSUB : AAI<0b00010010, 0b00000101, "qsub",
3534 [(set GPRnopc:$Rd, (int_arm_qsub GPRnopc:$Rm, GPRnopc:$Rn))],
3535 (ins GPRnopc:$Rm, GPRnopc:$Rn), "\t$Rd, $Rm, $Rn">;
3536 def QDADD : AAI<0b00010100, 0b00000101, "qdadd", [],
3537 (ins GPRnopc:$Rm, GPRnopc:$Rn),
3539 def QDSUB : AAI<0b00010110, 0b00000101, "qdsub", [],
3540 (ins GPRnopc:$Rm, GPRnopc:$Rn),
3543 def QADD16 : AAI<0b01100010, 0b11110001, "qadd16">;
3544 def QADD8 : AAI<0b01100010, 0b11111001, "qadd8">;
3545 def QASX : AAI<0b01100010, 0b11110011, "qasx">;
3546 def QSAX : AAI<0b01100010, 0b11110101, "qsax">;
3547 def QSUB16 : AAI<0b01100010, 0b11110111, "qsub16">;
3548 def QSUB8 : AAI<0b01100010, 0b11111111, "qsub8">;
3549 def UQADD16 : AAI<0b01100110, 0b11110001, "uqadd16">;
3550 def UQADD8 : AAI<0b01100110, 0b11111001, "uqadd8">;
3551 def UQASX : AAI<0b01100110, 0b11110011, "uqasx">;
3552 def UQSAX : AAI<0b01100110, 0b11110101, "uqsax">;
3553 def UQSUB16 : AAI<0b01100110, 0b11110111, "uqsub16">;
3554 def UQSUB8 : AAI<0b01100110, 0b11111111, "uqsub8">;
3556 // Signed/Unsigned add/subtract
3558 def SASX : AAI<0b01100001, 0b11110011, "sasx">;
3559 def SADD16 : AAI<0b01100001, 0b11110001, "sadd16">;
3560 def SADD8 : AAI<0b01100001, 0b11111001, "sadd8">;
3561 def SSAX : AAI<0b01100001, 0b11110101, "ssax">;
3562 def SSUB16 : AAI<0b01100001, 0b11110111, "ssub16">;
3563 def SSUB8 : AAI<0b01100001, 0b11111111, "ssub8">;
3564 def UASX : AAI<0b01100101, 0b11110011, "uasx">;
3565 def UADD16 : AAI<0b01100101, 0b11110001, "uadd16">;
3566 def UADD8 : AAI<0b01100101, 0b11111001, "uadd8">;
3567 def USAX : AAI<0b01100101, 0b11110101, "usax">;
3568 def USUB16 : AAI<0b01100101, 0b11110111, "usub16">;
3569 def USUB8 : AAI<0b01100101, 0b11111111, "usub8">;
3571 // Signed/Unsigned halving add/subtract
3573 def SHASX : AAI<0b01100011, 0b11110011, "shasx">;
3574 def SHADD16 : AAI<0b01100011, 0b11110001, "shadd16">;
3575 def SHADD8 : AAI<0b01100011, 0b11111001, "shadd8">;
3576 def SHSAX : AAI<0b01100011, 0b11110101, "shsax">;
3577 def SHSUB16 : AAI<0b01100011, 0b11110111, "shsub16">;
3578 def SHSUB8 : AAI<0b01100011, 0b11111111, "shsub8">;
3579 def UHASX : AAI<0b01100111, 0b11110011, "uhasx">;
3580 def UHADD16 : AAI<0b01100111, 0b11110001, "uhadd16">;
3581 def UHADD8 : AAI<0b01100111, 0b11111001, "uhadd8">;
3582 def UHSAX : AAI<0b01100111, 0b11110101, "uhsax">;
3583 def UHSUB16 : AAI<0b01100111, 0b11110111, "uhsub16">;
3584 def UHSUB8 : AAI<0b01100111, 0b11111111, "uhsub8">;
3586 // Unsigned Sum of Absolute Differences [and Accumulate].
3588 def USAD8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3589 MulFrm /* for convenience */, NoItinerary, "usad8",
3590 "\t$Rd, $Rn, $Rm", []>,
3591 Requires<[IsARM, HasV6]>, Sched<[WriteALU, ReadALU, ReadALU]> {
3595 let Inst{27-20} = 0b01111000;
3596 let Inst{15-12} = 0b1111;
3597 let Inst{7-4} = 0b0001;
3598 let Inst{19-16} = Rd;
3599 let Inst{11-8} = Rm;
3602 def USADA8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3603 MulFrm /* for convenience */, NoItinerary, "usada8",
3604 "\t$Rd, $Rn, $Rm, $Ra", []>,
3605 Requires<[IsARM, HasV6]>, Sched<[WriteALU, ReadALU, ReadALU]>{
3610 let Inst{27-20} = 0b01111000;
3611 let Inst{7-4} = 0b0001;
3612 let Inst{19-16} = Rd;
3613 let Inst{15-12} = Ra;
3614 let Inst{11-8} = Rm;
3618 // Signed/Unsigned saturate
3620 def SSAT : AI<(outs GPRnopc:$Rd),
3621 (ins imm1_32:$sat_imm, GPRnopc:$Rn, shift_imm:$sh),
3622 SatFrm, NoItinerary, "ssat", "\t$Rd, $sat_imm, $Rn$sh", []> {
3627 let Inst{27-21} = 0b0110101;
3628 let Inst{5-4} = 0b01;
3629 let Inst{20-16} = sat_imm;
3630 let Inst{15-12} = Rd;
3631 let Inst{11-7} = sh{4-0};
3632 let Inst{6} = sh{5};
3636 def SSAT16 : AI<(outs GPRnopc:$Rd),
3637 (ins imm1_16:$sat_imm, GPRnopc:$Rn), SatFrm,
3638 NoItinerary, "ssat16", "\t$Rd, $sat_imm, $Rn", []> {
3642 let Inst{27-20} = 0b01101010;
3643 let Inst{11-4} = 0b11110011;
3644 let Inst{15-12} = Rd;
3645 let Inst{19-16} = sat_imm;
3649 def USAT : AI<(outs GPRnopc:$Rd),
3650 (ins imm0_31:$sat_imm, GPRnopc:$Rn, shift_imm:$sh),
3651 SatFrm, NoItinerary, "usat", "\t$Rd, $sat_imm, $Rn$sh", []> {
3656 let Inst{27-21} = 0b0110111;
3657 let Inst{5-4} = 0b01;
3658 let Inst{15-12} = Rd;
3659 let Inst{11-7} = sh{4-0};
3660 let Inst{6} = sh{5};
3661 let Inst{20-16} = sat_imm;
3665 def USAT16 : AI<(outs GPRnopc:$Rd),
3666 (ins imm0_15:$sat_imm, GPRnopc:$Rn), SatFrm,
3667 NoItinerary, "usat16", "\t$Rd, $sat_imm, $Rn", []> {
3671 let Inst{27-20} = 0b01101110;
3672 let Inst{11-4} = 0b11110011;
3673 let Inst{15-12} = Rd;
3674 let Inst{19-16} = sat_imm;
3678 def : ARMV6Pat<(int_arm_ssat GPRnopc:$a, imm:$pos),
3679 (SSAT imm:$pos, GPRnopc:$a, 0)>;
3680 def : ARMV6Pat<(int_arm_usat GPRnopc:$a, imm:$pos),
3681 (USAT imm:$pos, GPRnopc:$a, 0)>;
3683 //===----------------------------------------------------------------------===//
3684 // Bitwise Instructions.
3687 defm AND : AsI1_bin_irs<0b0000, "and",
3688 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3689 BinOpFrag<(and node:$LHS, node:$RHS)>, 1>;
3690 defm ORR : AsI1_bin_irs<0b1100, "orr",
3691 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3692 BinOpFrag<(or node:$LHS, node:$RHS)>, 1>;
3693 defm EOR : AsI1_bin_irs<0b0001, "eor",
3694 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3695 BinOpFrag<(xor node:$LHS, node:$RHS)>, 1>;
3696 defm BIC : AsI1_bin_irs<0b1110, "bic",
3697 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3698 BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
3700 // FIXME: bf_inv_mask_imm should be two operands, the lsb and the msb, just
3701 // like in the actual instruction encoding. The complexity of mapping the mask
3702 // to the lsb/msb pair should be handled by ISel, not encapsulated in the
3703 // instruction description.
3704 def BFC : I<(outs GPR:$Rd), (ins GPR:$src, bf_inv_mask_imm:$imm),
3705 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3706 "bfc", "\t$Rd, $imm", "$src = $Rd",
3707 [(set GPR:$Rd, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
3708 Requires<[IsARM, HasV6T2]> {
3711 let Inst{27-21} = 0b0111110;
3712 let Inst{6-0} = 0b0011111;
3713 let Inst{15-12} = Rd;
3714 let Inst{11-7} = imm{4-0}; // lsb
3715 let Inst{20-16} = imm{9-5}; // msb
3718 // A8.6.18 BFI - Bitfield insert (Encoding A1)
3719 def BFI:I<(outs GPRnopc:$Rd), (ins GPRnopc:$src, GPR:$Rn, bf_inv_mask_imm:$imm),
3720 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3721 "bfi", "\t$Rd, $Rn, $imm", "$src = $Rd",
3722 [(set GPRnopc:$Rd, (ARMbfi GPRnopc:$src, GPR:$Rn,
3723 bf_inv_mask_imm:$imm))]>,
3724 Requires<[IsARM, HasV6T2]> {
3728 let Inst{27-21} = 0b0111110;
3729 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
3730 let Inst{15-12} = Rd;
3731 let Inst{11-7} = imm{4-0}; // lsb
3732 let Inst{20-16} = imm{9-5}; // width
3736 def MVNr : AsI1<0b1111, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMVNr,
3737 "mvn", "\t$Rd, $Rm",
3738 [(set GPR:$Rd, (not GPR:$Rm))]>, UnaryDP, Sched<[WriteALU]> {
3742 let Inst{19-16} = 0b0000;
3743 let Inst{11-4} = 0b00000000;
3744 let Inst{15-12} = Rd;
3747 def MVNsi : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg_imm:$shift),
3748 DPSoRegImmFrm, IIC_iMVNsr, "mvn", "\t$Rd, $shift",
3749 [(set GPR:$Rd, (not so_reg_imm:$shift))]>, UnaryDP,
3754 let Inst{19-16} = 0b0000;
3755 let Inst{15-12} = Rd;
3756 let Inst{11-5} = shift{11-5};
3758 let Inst{3-0} = shift{3-0};
3760 def MVNsr : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg_reg:$shift),
3761 DPSoRegRegFrm, IIC_iMVNsr, "mvn", "\t$Rd, $shift",
3762 [(set GPR:$Rd, (not so_reg_reg:$shift))]>, UnaryDP,
3767 let Inst{19-16} = 0b0000;
3768 let Inst{15-12} = Rd;
3769 let Inst{11-8} = shift{11-8};
3771 let Inst{6-5} = shift{6-5};
3773 let Inst{3-0} = shift{3-0};
3775 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
3776 def MVNi : AsI1<0b1111, (outs GPR:$Rd), (ins mod_imm:$imm), DPFrm,
3777 IIC_iMVNi, "mvn", "\t$Rd, $imm",
3778 [(set GPR:$Rd, mod_imm_not:$imm)]>,UnaryDP, Sched<[WriteALU]> {
3782 let Inst{19-16} = 0b0000;
3783 let Inst{15-12} = Rd;
3784 let Inst{11-0} = imm;
3787 def : ARMPat<(and GPR:$src, mod_imm_not:$imm),
3788 (BICri GPR:$src, mod_imm_not:$imm)>;
3790 //===----------------------------------------------------------------------===//
3791 // Multiply Instructions.
3793 class AsMul1I32<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
3794 string opc, string asm, list<dag> pattern>
3795 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
3799 let Inst{19-16} = Rd;
3800 let Inst{11-8} = Rm;
3803 class AsMul1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
3804 string opc, string asm, list<dag> pattern>
3805 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
3810 let Inst{19-16} = RdHi;
3811 let Inst{15-12} = RdLo;
3812 let Inst{11-8} = Rm;
3815 class AsMla1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
3816 string opc, string asm, list<dag> pattern>
3817 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
3822 let Inst{19-16} = RdHi;
3823 let Inst{15-12} = RdLo;
3824 let Inst{11-8} = Rm;
3828 // FIXME: The v5 pseudos are only necessary for the additional Constraint
3829 // property. Remove them when it's possible to add those properties
3830 // on an individual MachineInstr, not just an instruction description.
3831 let isCommutable = 1, TwoOperandAliasConstraint = "$Rn = $Rd" in {
3832 def MUL : AsMul1I32<0b0000000, (outs GPRnopc:$Rd),
3833 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3834 IIC_iMUL32, "mul", "\t$Rd, $Rn, $Rm",
3835 [(set GPRnopc:$Rd, (mul GPRnopc:$Rn, GPRnopc:$Rm))]>,
3836 Requires<[IsARM, HasV6]> {
3837 let Inst{15-12} = 0b0000;
3838 let Unpredictable{15-12} = 0b1111;
3841 let Constraints = "@earlyclobber $Rd" in
3842 def MULv5: ARMPseudoExpand<(outs GPRnopc:$Rd), (ins GPRnopc:$Rn, GPRnopc:$Rm,
3843 pred:$p, cc_out:$s),
3845 [(set GPRnopc:$Rd, (mul GPRnopc:$Rn, GPRnopc:$Rm))],
3846 (MUL GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p, cc_out:$s)>,
3847 Requires<[IsARM, NoV6, UseMulOps]>;
3850 def MLA : AsMul1I32<0b0000001, (outs GPRnopc:$Rd),
3851 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$Ra),
3852 IIC_iMAC32, "mla", "\t$Rd, $Rn, $Rm, $Ra",
3853 [(set GPRnopc:$Rd, (add (mul GPRnopc:$Rn, GPRnopc:$Rm), GPRnopc:$Ra))]>,
3854 Requires<[IsARM, HasV6, UseMulOps]> {
3856 let Inst{15-12} = Ra;
3859 let Constraints = "@earlyclobber $Rd" in
3860 def MLAv5: ARMPseudoExpand<(outs GPRnopc:$Rd),
3861 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$Ra,
3862 pred:$p, cc_out:$s), 4, IIC_iMAC32,
3863 [(set GPRnopc:$Rd, (add (mul GPRnopc:$Rn, GPRnopc:$Rm), GPRnopc:$Ra))],
3864 (MLA GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$Ra, pred:$p, cc_out:$s)>,
3865 Requires<[IsARM, NoV6]>;
3867 def MLS : AMul1I<0b0000011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3868 IIC_iMAC32, "mls", "\t$Rd, $Rn, $Rm, $Ra",
3869 [(set GPR:$Rd, (sub GPR:$Ra, (mul GPR:$Rn, GPR:$Rm)))]>,
3870 Requires<[IsARM, HasV6T2, UseMulOps]> {
3875 let Inst{19-16} = Rd;
3876 let Inst{15-12} = Ra;
3877 let Inst{11-8} = Rm;
3881 // Extra precision multiplies with low / high results
3882 let hasSideEffects = 0 in {
3883 let isCommutable = 1 in {
3884 def SMULL : AsMul1I64<0b0000110, (outs GPR:$RdLo, GPR:$RdHi),
3885 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
3886 "smull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3887 Requires<[IsARM, HasV6]>;
3889 def UMULL : AsMul1I64<0b0000100, (outs GPR:$RdLo, GPR:$RdHi),
3890 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
3891 "umull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3892 Requires<[IsARM, HasV6]>;
3894 let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
3895 def SMULLv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3896 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
3898 (SMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3899 Requires<[IsARM, NoV6]>;
3901 def UMULLv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3902 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
3904 (UMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3905 Requires<[IsARM, NoV6]>;
3909 // Multiply + accumulate
3910 def SMLAL : AsMla1I64<0b0000111, (outs GPR:$RdLo, GPR:$RdHi),
3911 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi), IIC_iMAC64,
3912 "smlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3913 RegConstraint<"$RLo = $RdLo, $RHi = $RdHi">, Requires<[IsARM, HasV6]>;
3914 def UMLAL : AsMla1I64<0b0000101, (outs GPR:$RdLo, GPR:$RdHi),
3915 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi), IIC_iMAC64,
3916 "umlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3917 RegConstraint<"$RLo = $RdLo, $RHi = $RdHi">, Requires<[IsARM, HasV6]>;
3919 def UMAAL : AMul1I <0b0000010, (outs GPR:$RdLo, GPR:$RdHi),
3920 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
3921 "umaal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3922 Requires<[IsARM, HasV6]> {
3927 let Inst{19-16} = RdHi;
3928 let Inst{15-12} = RdLo;
3929 let Inst{11-8} = Rm;
3934 "@earlyclobber $RdLo,@earlyclobber $RdHi,$RLo = $RdLo,$RHi = $RdHi" in {
3935 def SMLALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3936 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi, pred:$p, cc_out:$s),
3938 (SMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi,
3939 pred:$p, cc_out:$s)>,
3940 Requires<[IsARM, NoV6]>;
3941 def UMLALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3942 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi, pred:$p, cc_out:$s),
3944 (UMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi,
3945 pred:$p, cc_out:$s)>,
3946 Requires<[IsARM, NoV6]>;
3951 // Most significant word multiply
3952 def SMMUL : AMul2I <0b0111010, 0b0001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3953 IIC_iMUL32, "smmul", "\t$Rd, $Rn, $Rm",
3954 [(set GPR:$Rd, (mulhs GPR:$Rn, GPR:$Rm))]>,
3955 Requires<[IsARM, HasV6]> {
3956 let Inst{15-12} = 0b1111;
3959 def SMMULR : AMul2I <0b0111010, 0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3960 IIC_iMUL32, "smmulr", "\t$Rd, $Rn, $Rm", []>,
3961 Requires<[IsARM, HasV6]> {
3962 let Inst{15-12} = 0b1111;
3965 def SMMLA : AMul2Ia <0b0111010, 0b0001, (outs GPR:$Rd),
3966 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3967 IIC_iMAC32, "smmla", "\t$Rd, $Rn, $Rm, $Ra",
3968 [(set GPR:$Rd, (add (mulhs GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
3969 Requires<[IsARM, HasV6, UseMulOps]>;
3971 def SMMLAR : AMul2Ia <0b0111010, 0b0011, (outs GPR:$Rd),
3972 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3973 IIC_iMAC32, "smmlar", "\t$Rd, $Rn, $Rm, $Ra", []>,
3974 Requires<[IsARM, HasV6]>;
3976 def SMMLS : AMul2Ia <0b0111010, 0b1101, (outs GPR:$Rd),
3977 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3978 IIC_iMAC32, "smmls", "\t$Rd, $Rn, $Rm, $Ra", []>,
3979 Requires<[IsARM, HasV6, UseMulOps]>;
3981 def SMMLSR : AMul2Ia <0b0111010, 0b1111, (outs GPR:$Rd),
3982 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3983 IIC_iMAC32, "smmlsr", "\t$Rd, $Rn, $Rm, $Ra", []>,
3984 Requires<[IsARM, HasV6]>;
3986 multiclass AI_smul<string opc, PatFrag opnode> {
3987 def BB : AMulxyI<0b0001011, 0b00, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3988 IIC_iMUL16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm",
3989 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
3990 (sext_inreg GPR:$Rm, i16)))]>,
3991 Requires<[IsARM, HasV5TE]>;
3993 def BT : AMulxyI<0b0001011, 0b10, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3994 IIC_iMUL16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm",
3995 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
3996 (sra GPR:$Rm, (i32 16))))]>,
3997 Requires<[IsARM, HasV5TE]>;
3999 def TB : AMulxyI<0b0001011, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
4000 IIC_iMUL16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm",
4001 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
4002 (sext_inreg GPR:$Rm, i16)))]>,
4003 Requires<[IsARM, HasV5TE]>;
4005 def TT : AMulxyI<0b0001011, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
4006 IIC_iMUL16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm",
4007 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
4008 (sra GPR:$Rm, (i32 16))))]>,
4009 Requires<[IsARM, HasV5TE]>;
4011 def WB : AMulxyI<0b0001001, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
4012 IIC_iMUL16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm",
4014 Requires<[IsARM, HasV5TE]>;
4016 def WT : AMulxyI<0b0001001, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
4017 IIC_iMUL16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm",
4019 Requires<[IsARM, HasV5TE]>;
4023 multiclass AI_smla<string opc, PatFrag opnode> {
4024 let DecoderMethod = "DecodeSMLAInstruction" in {
4025 def BB : AMulxyIa<0b0001000, 0b00, (outs GPRnopc:$Rd),
4026 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4027 IIC_iMAC16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm, $Ra",
4028 [(set GPRnopc:$Rd, (add GPR:$Ra,
4029 (opnode (sext_inreg GPRnopc:$Rn, i16),
4030 (sext_inreg GPRnopc:$Rm, i16))))]>,
4031 Requires<[IsARM, HasV5TE, UseMulOps]>;
4033 def BT : AMulxyIa<0b0001000, 0b10, (outs GPRnopc:$Rd),
4034 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4035 IIC_iMAC16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm, $Ra",
4037 (add GPR:$Ra, (opnode (sext_inreg GPRnopc:$Rn, i16),
4038 (sra GPRnopc:$Rm, (i32 16)))))]>,
4039 Requires<[IsARM, HasV5TE, UseMulOps]>;
4041 def TB : AMulxyIa<0b0001000, 0b01, (outs GPRnopc:$Rd),
4042 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4043 IIC_iMAC16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm, $Ra",
4045 (add GPR:$Ra, (opnode (sra GPRnopc:$Rn, (i32 16)),
4046 (sext_inreg GPRnopc:$Rm, i16))))]>,
4047 Requires<[IsARM, HasV5TE, UseMulOps]>;
4049 def TT : AMulxyIa<0b0001000, 0b11, (outs GPRnopc:$Rd),
4050 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4051 IIC_iMAC16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm, $Ra",
4053 (add GPR:$Ra, (opnode (sra GPRnopc:$Rn, (i32 16)),
4054 (sra GPRnopc:$Rm, (i32 16)))))]>,
4055 Requires<[IsARM, HasV5TE, UseMulOps]>;
4057 def WB : AMulxyIa<0b0001001, 0b00, (outs GPRnopc:$Rd),
4058 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4059 IIC_iMAC16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm, $Ra",
4061 Requires<[IsARM, HasV5TE, UseMulOps]>;
4063 def WT : AMulxyIa<0b0001001, 0b10, (outs GPRnopc:$Rd),
4064 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4065 IIC_iMAC16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm, $Ra",
4067 Requires<[IsARM, HasV5TE, UseMulOps]>;
4071 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
4072 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
4074 // Halfword multiply accumulate long: SMLAL<x><y>.
4075 def SMLALBB : AMulxyI64<0b0001010, 0b00, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
4076 (ins GPRnopc:$Rn, GPRnopc:$Rm),
4077 IIC_iMAC64, "smlalbb", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
4078 Requires<[IsARM, HasV5TE]>;
4080 def SMLALBT : AMulxyI64<0b0001010, 0b10, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
4081 (ins GPRnopc:$Rn, GPRnopc:$Rm),
4082 IIC_iMAC64, "smlalbt", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
4083 Requires<[IsARM, HasV5TE]>;
4085 def SMLALTB : AMulxyI64<0b0001010, 0b01, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
4086 (ins GPRnopc:$Rn, GPRnopc:$Rm),
4087 IIC_iMAC64, "smlaltb", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
4088 Requires<[IsARM, HasV5TE]>;
4090 def SMLALTT : AMulxyI64<0b0001010, 0b11, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
4091 (ins GPRnopc:$Rn, GPRnopc:$Rm),
4092 IIC_iMAC64, "smlaltt", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
4093 Requires<[IsARM, HasV5TE]>;
4095 // Helper class for AI_smld.
4096 class AMulDualIbase<bit long, bit sub, bit swap, dag oops, dag iops,
4097 InstrItinClass itin, string opc, string asm>
4098 : AI<oops, iops, MulFrm, itin, opc, asm, []>, Requires<[IsARM, HasV6]> {
4101 let Inst{27-23} = 0b01110;
4102 let Inst{22} = long;
4103 let Inst{21-20} = 0b00;
4104 let Inst{11-8} = Rm;
4111 class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
4112 InstrItinClass itin, string opc, string asm>
4113 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
4115 let Inst{15-12} = 0b1111;
4116 let Inst{19-16} = Rd;
4118 class AMulDualIa<bit long, bit sub, bit swap, dag oops, dag iops,
4119 InstrItinClass itin, string opc, string asm>
4120 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
4123 let Inst{19-16} = Rd;
4124 let Inst{15-12} = Ra;
4126 class AMulDualI64<bit long, bit sub, bit swap, dag oops, dag iops,
4127 InstrItinClass itin, string opc, string asm>
4128 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
4131 let Inst{19-16} = RdHi;
4132 let Inst{15-12} = RdLo;
4135 multiclass AI_smld<bit sub, string opc> {
4137 def D : AMulDualIa<0, sub, 0, (outs GPRnopc:$Rd),
4138 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4139 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm, $Ra">;
4141 def DX: AMulDualIa<0, sub, 1, (outs GPRnopc:$Rd),
4142 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4143 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm, $Ra">;
4145 def LD: AMulDualI64<1, sub, 0, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
4146 (ins GPRnopc:$Rn, GPRnopc:$Rm), NoItinerary,
4147 !strconcat(opc, "ld"), "\t$RdLo, $RdHi, $Rn, $Rm">;
4149 def LDX : AMulDualI64<1, sub, 1, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
4150 (ins GPRnopc:$Rn, GPRnopc:$Rm), NoItinerary,
4151 !strconcat(opc, "ldx"),"\t$RdLo, $RdHi, $Rn, $Rm">;
4155 defm SMLA : AI_smld<0, "smla">;
4156 defm SMLS : AI_smld<1, "smls">;
4158 multiclass AI_sdml<bit sub, string opc> {
4160 def D:AMulDualI<0, sub, 0, (outs GPRnopc:$Rd), (ins GPRnopc:$Rn, GPRnopc:$Rm),
4161 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm">;
4162 def DX:AMulDualI<0, sub, 1, (outs GPRnopc:$Rd),(ins GPRnopc:$Rn, GPRnopc:$Rm),
4163 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm">;
4166 defm SMUA : AI_sdml<0, "smua">;
4167 defm SMUS : AI_sdml<1, "smus">;
4169 //===----------------------------------------------------------------------===//
4170 // Division Instructions (ARMv7-A with virtualization extension)
4172 def SDIV : ADivA1I<0b001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), IIC_iDIV,
4173 "sdiv", "\t$Rd, $Rn, $Rm",
4174 [(set GPR:$Rd, (sdiv GPR:$Rn, GPR:$Rm))]>,
4175 Requires<[IsARM, HasDivideInARM]>;
4177 def UDIV : ADivA1I<0b011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), IIC_iDIV,
4178 "udiv", "\t$Rd, $Rn, $Rm",
4179 [(set GPR:$Rd, (udiv GPR:$Rn, GPR:$Rm))]>,
4180 Requires<[IsARM, HasDivideInARM]>;
4182 //===----------------------------------------------------------------------===//
4183 // Misc. Arithmetic Instructions.
4186 def CLZ : AMiscA1I<0b00010110, 0b0001, (outs GPR:$Rd), (ins GPR:$Rm),
4187 IIC_iUNAr, "clz", "\t$Rd, $Rm",
4188 [(set GPR:$Rd, (ctlz GPR:$Rm))]>, Requires<[IsARM, HasV5T]>,
4191 def RBIT : AMiscA1I<0b01101111, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
4192 IIC_iUNAr, "rbit", "\t$Rd, $Rm",
4193 [(set GPR:$Rd, (ARMrbit GPR:$Rm))]>,
4194 Requires<[IsARM, HasV6T2]>,
4197 def REV : AMiscA1I<0b01101011, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
4198 IIC_iUNAr, "rev", "\t$Rd, $Rm",
4199 [(set GPR:$Rd, (bswap GPR:$Rm))]>, Requires<[IsARM, HasV6]>,
4202 let AddedComplexity = 5 in
4203 def REV16 : AMiscA1I<0b01101011, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
4204 IIC_iUNAr, "rev16", "\t$Rd, $Rm",
4205 [(set GPR:$Rd, (rotr (bswap GPR:$Rm), (i32 16)))]>,
4206 Requires<[IsARM, HasV6]>,
4209 def : ARMV6Pat<(srl (bswap (extloadi16 addrmode3:$addr)), (i32 16)),
4210 (REV16 (LDRH addrmode3:$addr))>;
4211 def : ARMV6Pat<(truncstorei16 (srl (bswap GPR:$Rn), (i32 16)), addrmode3:$addr),
4212 (STRH (REV16 GPR:$Rn), addrmode3:$addr)>;
4214 let AddedComplexity = 5 in
4215 def REVSH : AMiscA1I<0b01101111, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
4216 IIC_iUNAr, "revsh", "\t$Rd, $Rm",
4217 [(set GPR:$Rd, (sra (bswap GPR:$Rm), (i32 16)))]>,
4218 Requires<[IsARM, HasV6]>,
4221 def : ARMV6Pat<(or (sra (shl GPR:$Rm, (i32 24)), (i32 16)),
4222 (and (srl GPR:$Rm, (i32 8)), 0xFF)),
4225 def PKHBT : APKHI<0b01101000, 0, (outs GPRnopc:$Rd),
4226 (ins GPRnopc:$Rn, GPRnopc:$Rm, pkh_lsl_amt:$sh),
4227 IIC_iALUsi, "pkhbt", "\t$Rd, $Rn, $Rm$sh",
4228 [(set GPRnopc:$Rd, (or (and GPRnopc:$Rn, 0xFFFF),
4229 (and (shl GPRnopc:$Rm, pkh_lsl_amt:$sh),
4231 Requires<[IsARM, HasV6]>,
4232 Sched<[WriteALUsi, ReadALU]>;
4234 // Alternate cases for PKHBT where identities eliminate some nodes.
4235 def : ARMV6Pat<(or (and GPRnopc:$Rn, 0xFFFF), (and GPRnopc:$Rm, 0xFFFF0000)),
4236 (PKHBT GPRnopc:$Rn, GPRnopc:$Rm, 0)>;
4237 def : ARMV6Pat<(or (and GPRnopc:$Rn, 0xFFFF), (shl GPRnopc:$Rm, imm16_31:$sh)),
4238 (PKHBT GPRnopc:$Rn, GPRnopc:$Rm, imm16_31:$sh)>;
4240 // Note: Shifts of 1-15 bits will be transformed to srl instead of sra and
4241 // will match the pattern below.
4242 def PKHTB : APKHI<0b01101000, 1, (outs GPRnopc:$Rd),
4243 (ins GPRnopc:$Rn, GPRnopc:$Rm, pkh_asr_amt:$sh),
4244 IIC_iBITsi, "pkhtb", "\t$Rd, $Rn, $Rm$sh",
4245 [(set GPRnopc:$Rd, (or (and GPRnopc:$Rn, 0xFFFF0000),
4246 (and (sra GPRnopc:$Rm, pkh_asr_amt:$sh),
4248 Requires<[IsARM, HasV6]>,
4249 Sched<[WriteALUsi, ReadALU]>;
4251 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
4252 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
4253 // We also can not replace a srl (17..31) by an arithmetic shift we would use in
4254 // pkhtb src1, src2, asr (17..31).
4255 def : ARMV6Pat<(or (and GPRnopc:$src1, 0xFFFF0000),
4256 (srl GPRnopc:$src2, imm16:$sh)),
4257 (PKHTB GPRnopc:$src1, GPRnopc:$src2, imm16:$sh)>;
4258 def : ARMV6Pat<(or (and GPRnopc:$src1, 0xFFFF0000),
4259 (sra GPRnopc:$src2, imm16_31:$sh)),
4260 (PKHTB GPRnopc:$src1, GPRnopc:$src2, imm16_31:$sh)>;
4261 def : ARMV6Pat<(or (and GPRnopc:$src1, 0xFFFF0000),
4262 (and (srl GPRnopc:$src2, imm1_15:$sh), 0xFFFF)),
4263 (PKHTB GPRnopc:$src1, GPRnopc:$src2, imm1_15:$sh)>;
4265 //===----------------------------------------------------------------------===//
4269 // + CRC32{B,H,W} 0x04C11DB7
4270 // + CRC32C{B,H,W} 0x1EDC6F41
4273 class AI_crc32<bit C, bits<2> sz, string suffix, SDPatternOperator builtin>
4274 : AInoP<(outs GPRnopc:$Rd), (ins GPRnopc:$Rn, GPRnopc:$Rm), MiscFrm, NoItinerary,
4275 !strconcat("crc32", suffix), "\t$Rd, $Rn, $Rm",
4276 [(set GPRnopc:$Rd, (builtin GPRnopc:$Rn, GPRnopc:$Rm))]>,
4277 Requires<[IsARM, HasV8, HasCRC]> {
4282 let Inst{31-28} = 0b1110;
4283 let Inst{27-23} = 0b00010;
4284 let Inst{22-21} = sz;
4286 let Inst{19-16} = Rn;
4287 let Inst{15-12} = Rd;
4288 let Inst{11-10} = 0b00;
4291 let Inst{7-4} = 0b0100;
4294 let Unpredictable{11-8} = 0b1101;
4297 def CRC32B : AI_crc32<0, 0b00, "b", int_arm_crc32b>;
4298 def CRC32CB : AI_crc32<1, 0b00, "cb", int_arm_crc32cb>;
4299 def CRC32H : AI_crc32<0, 0b01, "h", int_arm_crc32h>;
4300 def CRC32CH : AI_crc32<1, 0b01, "ch", int_arm_crc32ch>;
4301 def CRC32W : AI_crc32<0, 0b10, "w", int_arm_crc32w>;
4302 def CRC32CW : AI_crc32<1, 0b10, "cw", int_arm_crc32cw>;
4304 //===----------------------------------------------------------------------===//
4305 // ARMv8.1a Privilege Access Never extension
4309 def SETPAN : AInoP<(outs), (ins imm0_1:$imm), MiscFrm, NoItinerary, "setpan",
4310 "\t$imm", []>, Requires<[IsARM, HasV8, HasV8_1a]> {
4313 let Inst{31-28} = 0b1111;
4314 let Inst{27-20} = 0b00010001;
4315 let Inst{19-16} = 0b0000;
4316 let Inst{15-10} = 0b000000;
4319 let Inst{7-4} = 0b0000;
4320 let Inst{3-0} = 0b0000;
4322 let Unpredictable{19-16} = 0b1111;
4323 let Unpredictable{15-10} = 0b111111;
4324 let Unpredictable{8} = 0b1;
4325 let Unpredictable{3-0} = 0b1111;
4328 //===----------------------------------------------------------------------===//
4329 // Comparison Instructions...
4332 defm CMP : AI1_cmp_irs<0b1010, "cmp",
4333 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
4334 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
4336 // ARMcmpZ can re-use the above instruction definitions.
4337 def : ARMPat<(ARMcmpZ GPR:$src, mod_imm:$imm),
4338 (CMPri GPR:$src, mod_imm:$imm)>;
4339 def : ARMPat<(ARMcmpZ GPR:$src, GPR:$rhs),
4340 (CMPrr GPR:$src, GPR:$rhs)>;
4341 def : ARMPat<(ARMcmpZ GPR:$src, so_reg_imm:$rhs),
4342 (CMPrsi GPR:$src, so_reg_imm:$rhs)>;
4343 def : ARMPat<(ARMcmpZ GPR:$src, so_reg_reg:$rhs),
4344 (CMPrsr GPR:$src, so_reg_reg:$rhs)>;
4346 // CMN register-integer
4347 let isCompare = 1, Defs = [CPSR] in {
4348 def CMNri : AI1<0b1011, (outs), (ins GPR:$Rn, mod_imm:$imm), DPFrm, IIC_iCMPi,
4349 "cmn", "\t$Rn, $imm",
4350 [(ARMcmn GPR:$Rn, mod_imm:$imm)]>,
4351 Sched<[WriteCMP, ReadALU]> {
4356 let Inst{19-16} = Rn;
4357 let Inst{15-12} = 0b0000;
4358 let Inst{11-0} = imm;
4360 let Unpredictable{15-12} = 0b1111;
4363 // CMN register-register/shift
4364 def CMNzrr : AI1<0b1011, (outs), (ins GPR:$Rn, GPR:$Rm), DPFrm, IIC_iCMPr,
4365 "cmn", "\t$Rn, $Rm",
4366 [(BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>
4367 GPR:$Rn, GPR:$Rm)]>, Sched<[WriteCMP, ReadALU, ReadALU]> {
4370 let isCommutable = 1;
4373 let Inst{19-16} = Rn;
4374 let Inst{15-12} = 0b0000;
4375 let Inst{11-4} = 0b00000000;
4378 let Unpredictable{15-12} = 0b1111;
4381 def CMNzrsi : AI1<0b1011, (outs),
4382 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm, IIC_iCMPsr,
4383 "cmn", "\t$Rn, $shift",
4384 [(BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>
4385 GPR:$Rn, so_reg_imm:$shift)]>,
4386 Sched<[WriteCMPsi, ReadALU]> {
4391 let Inst{19-16} = Rn;
4392 let Inst{15-12} = 0b0000;
4393 let Inst{11-5} = shift{11-5};
4395 let Inst{3-0} = shift{3-0};
4397 let Unpredictable{15-12} = 0b1111;
4400 def CMNzrsr : AI1<0b1011, (outs),
4401 (ins GPRnopc:$Rn, so_reg_reg:$shift), DPSoRegRegFrm, IIC_iCMPsr,
4402 "cmn", "\t$Rn, $shift",
4403 [(BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>
4404 GPRnopc:$Rn, so_reg_reg:$shift)]>,
4405 Sched<[WriteCMPsr, ReadALU]> {
4410 let Inst{19-16} = Rn;
4411 let Inst{15-12} = 0b0000;
4412 let Inst{11-8} = shift{11-8};
4414 let Inst{6-5} = shift{6-5};
4416 let Inst{3-0} = shift{3-0};
4418 let Unpredictable{15-12} = 0b1111;
4423 def : ARMPat<(ARMcmp GPR:$src, mod_imm_neg:$imm),
4424 (CMNri GPR:$src, mod_imm_neg:$imm)>;
4426 def : ARMPat<(ARMcmpZ GPR:$src, mod_imm_neg:$imm),
4427 (CMNri GPR:$src, mod_imm_neg:$imm)>;
4429 // Note that TST/TEQ don't set all the same flags that CMP does!
4430 defm TST : AI1_cmp_irs<0b1000, "tst",
4431 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
4432 BinOpFrag<(ARMcmpZ (and_su node:$LHS, node:$RHS), 0)>, 1,
4433 "DecodeTSTInstruction">;
4434 defm TEQ : AI1_cmp_irs<0b1001, "teq",
4435 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
4436 BinOpFrag<(ARMcmpZ (xor_su node:$LHS, node:$RHS), 0)>, 1>;
4438 // Pseudo i64 compares for some floating point compares.
4439 let usesCustomInserter = 1, isBranch = 1, isTerminator = 1,
4441 def BCCi64 : PseudoInst<(outs),
4442 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, brtarget:$dst),
4444 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, bb:$dst)]>,
4447 def BCCZi64 : PseudoInst<(outs),
4448 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, brtarget:$dst), IIC_Br,
4449 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, 0, 0, bb:$dst)]>,
4451 } // usesCustomInserter
4454 // Conditional moves
4455 let hasSideEffects = 0 in {
4457 let isCommutable = 1, isSelect = 1 in
4458 def MOVCCr : ARMPseudoInst<(outs GPR:$Rd),
4459 (ins GPR:$false, GPR:$Rm, cmovpred:$p),
4461 [(set GPR:$Rd, (ARMcmov GPR:$false, GPR:$Rm,
4463 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4465 def MOVCCsi : ARMPseudoInst<(outs GPR:$Rd),
4466 (ins GPR:$false, so_reg_imm:$shift, cmovpred:$p),
4469 (ARMcmov GPR:$false, so_reg_imm:$shift,
4471 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4472 def MOVCCsr : ARMPseudoInst<(outs GPR:$Rd),
4473 (ins GPR:$false, so_reg_reg:$shift, cmovpred:$p),
4475 [(set GPR:$Rd, (ARMcmov GPR:$false, so_reg_reg:$shift,
4477 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4480 let isMoveImm = 1 in
4482 : ARMPseudoInst<(outs GPR:$Rd),
4483 (ins GPR:$false, imm0_65535_expr:$imm, cmovpred:$p),
4485 [(set GPR:$Rd, (ARMcmov GPR:$false, imm0_65535:$imm,
4487 RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>,
4490 let isMoveImm = 1 in
4491 def MOVCCi : ARMPseudoInst<(outs GPR:$Rd),
4492 (ins GPR:$false, mod_imm:$imm, cmovpred:$p),
4494 [(set GPR:$Rd, (ARMcmov GPR:$false, mod_imm:$imm,
4496 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4498 // Two instruction predicate mov immediate.
4499 let isMoveImm = 1 in
4501 : ARMPseudoInst<(outs GPR:$Rd),
4502 (ins GPR:$false, i32imm:$src, cmovpred:$p),
4504 [(set GPR:$Rd, (ARMcmov GPR:$false, imm:$src,
4506 RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>;
4508 let isMoveImm = 1 in
4509 def MVNCCi : ARMPseudoInst<(outs GPR:$Rd),
4510 (ins GPR:$false, mod_imm:$imm, cmovpred:$p),
4512 [(set GPR:$Rd, (ARMcmov GPR:$false, mod_imm_not:$imm,
4514 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4519 //===----------------------------------------------------------------------===//
4520 // Atomic operations intrinsics
4523 def MemBarrierOptOperand : AsmOperandClass {
4524 let Name = "MemBarrierOpt";
4525 let ParserMethod = "parseMemBarrierOptOperand";
4527 def memb_opt : Operand<i32> {
4528 let PrintMethod = "printMemBOption";
4529 let ParserMatchClass = MemBarrierOptOperand;
4530 let DecoderMethod = "DecodeMemBarrierOption";
4533 def InstSyncBarrierOptOperand : AsmOperandClass {
4534 let Name = "InstSyncBarrierOpt";
4535 let ParserMethod = "parseInstSyncBarrierOptOperand";
4537 def instsyncb_opt : Operand<i32> {
4538 let PrintMethod = "printInstSyncBOption";
4539 let ParserMatchClass = InstSyncBarrierOptOperand;
4540 let DecoderMethod = "DecodeInstSyncBarrierOption";
4543 // Memory barriers protect the atomic sequences
4544 let hasSideEffects = 1 in {
4545 def DMB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
4546 "dmb", "\t$opt", [(int_arm_dmb (i32 imm0_15:$opt))]>,
4547 Requires<[IsARM, HasDB]> {
4549 let Inst{31-4} = 0xf57ff05;
4550 let Inst{3-0} = opt;
4553 def DSB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
4554 "dsb", "\t$opt", [(int_arm_dsb (i32 imm0_15:$opt))]>,
4555 Requires<[IsARM, HasDB]> {
4557 let Inst{31-4} = 0xf57ff04;
4558 let Inst{3-0} = opt;
4561 // ISB has only full system option
4562 def ISB : AInoP<(outs), (ins instsyncb_opt:$opt), MiscFrm, NoItinerary,
4563 "isb", "\t$opt", [(int_arm_isb (i32 imm0_15:$opt))]>,
4564 Requires<[IsARM, HasDB]> {
4566 let Inst{31-4} = 0xf57ff06;
4567 let Inst{3-0} = opt;
4571 let usesCustomInserter = 1, Defs = [CPSR] in {
4573 // Pseudo instruction that combines movs + predicated rsbmi
4574 // to implement integer ABS
4575 def ABS : ARMPseudoInst<(outs GPR:$dst), (ins GPR:$src), 8, NoItinerary, []>;
4578 let usesCustomInserter = 1 in {
4579 def COPY_STRUCT_BYVAL_I32 : PseudoInst<
4580 (outs), (ins GPR:$dst, GPR:$src, i32imm:$size, i32imm:$alignment),
4582 [(ARMcopystructbyval GPR:$dst, GPR:$src, imm:$size, imm:$alignment)]>;
4585 def ldrex_1 : PatFrag<(ops node:$ptr), (int_arm_ldrex node:$ptr), [{
4586 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i8;
4589 def ldrex_2 : PatFrag<(ops node:$ptr), (int_arm_ldrex node:$ptr), [{
4590 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i16;
4593 def ldrex_4 : PatFrag<(ops node:$ptr), (int_arm_ldrex node:$ptr), [{
4594 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i32;
4597 def strex_1 : PatFrag<(ops node:$val, node:$ptr),
4598 (int_arm_strex node:$val, node:$ptr), [{
4599 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i8;
4602 def strex_2 : PatFrag<(ops node:$val, node:$ptr),
4603 (int_arm_strex node:$val, node:$ptr), [{
4604 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i16;
4607 def strex_4 : PatFrag<(ops node:$val, node:$ptr),
4608 (int_arm_strex node:$val, node:$ptr), [{
4609 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i32;
4612 def ldaex_1 : PatFrag<(ops node:$ptr), (int_arm_ldaex node:$ptr), [{
4613 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i8;
4616 def ldaex_2 : PatFrag<(ops node:$ptr), (int_arm_ldaex node:$ptr), [{
4617 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i16;
4620 def ldaex_4 : PatFrag<(ops node:$ptr), (int_arm_ldaex node:$ptr), [{
4621 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i32;
4624 def stlex_1 : PatFrag<(ops node:$val, node:$ptr),
4625 (int_arm_stlex node:$val, node:$ptr), [{
4626 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i8;
4629 def stlex_2 : PatFrag<(ops node:$val, node:$ptr),
4630 (int_arm_stlex node:$val, node:$ptr), [{
4631 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i16;
4634 def stlex_4 : PatFrag<(ops node:$val, node:$ptr),
4635 (int_arm_stlex node:$val, node:$ptr), [{
4636 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i32;
4639 let mayLoad = 1 in {
4640 def LDREXB : AIldrex<0b10, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4641 NoItinerary, "ldrexb", "\t$Rt, $addr",
4642 [(set GPR:$Rt, (ldrex_1 addr_offset_none:$addr))]>;
4643 def LDREXH : AIldrex<0b11, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4644 NoItinerary, "ldrexh", "\t$Rt, $addr",
4645 [(set GPR:$Rt, (ldrex_2 addr_offset_none:$addr))]>;
4646 def LDREX : AIldrex<0b00, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4647 NoItinerary, "ldrex", "\t$Rt, $addr",
4648 [(set GPR:$Rt, (ldrex_4 addr_offset_none:$addr))]>;
4649 let hasExtraDefRegAllocReq = 1 in
4650 def LDREXD : AIldrex<0b01, (outs GPRPairOp:$Rt),(ins addr_offset_none:$addr),
4651 NoItinerary, "ldrexd", "\t$Rt, $addr", []> {
4652 let DecoderMethod = "DecodeDoubleRegLoad";
4655 def LDAEXB : AIldaex<0b10, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4656 NoItinerary, "ldaexb", "\t$Rt, $addr",
4657 [(set GPR:$Rt, (ldaex_1 addr_offset_none:$addr))]>;
4658 def LDAEXH : AIldaex<0b11, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4659 NoItinerary, "ldaexh", "\t$Rt, $addr",
4660 [(set GPR:$Rt, (ldaex_2 addr_offset_none:$addr))]>;
4661 def LDAEX : AIldaex<0b00, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4662 NoItinerary, "ldaex", "\t$Rt, $addr",
4663 [(set GPR:$Rt, (ldaex_4 addr_offset_none:$addr))]>;
4664 let hasExtraDefRegAllocReq = 1 in
4665 def LDAEXD : AIldaex<0b01, (outs GPRPairOp:$Rt),(ins addr_offset_none:$addr),
4666 NoItinerary, "ldaexd", "\t$Rt, $addr", []> {
4667 let DecoderMethod = "DecodeDoubleRegLoad";
4671 let mayStore = 1, Constraints = "@earlyclobber $Rd" in {
4672 def STREXB: AIstrex<0b10, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4673 NoItinerary, "strexb", "\t$Rd, $Rt, $addr",
4674 [(set GPR:$Rd, (strex_1 GPR:$Rt,
4675 addr_offset_none:$addr))]>;
4676 def STREXH: AIstrex<0b11, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4677 NoItinerary, "strexh", "\t$Rd, $Rt, $addr",
4678 [(set GPR:$Rd, (strex_2 GPR:$Rt,
4679 addr_offset_none:$addr))]>;
4680 def STREX : AIstrex<0b00, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4681 NoItinerary, "strex", "\t$Rd, $Rt, $addr",
4682 [(set GPR:$Rd, (strex_4 GPR:$Rt,
4683 addr_offset_none:$addr))]>;
4684 let hasExtraSrcRegAllocReq = 1 in
4685 def STREXD : AIstrex<0b01, (outs GPR:$Rd),
4686 (ins GPRPairOp:$Rt, addr_offset_none:$addr),
4687 NoItinerary, "strexd", "\t$Rd, $Rt, $addr", []> {
4688 let DecoderMethod = "DecodeDoubleRegStore";
4690 def STLEXB: AIstlex<0b10, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4691 NoItinerary, "stlexb", "\t$Rd, $Rt, $addr",
4693 (stlex_1 GPR:$Rt, addr_offset_none:$addr))]>;
4694 def STLEXH: AIstlex<0b11, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4695 NoItinerary, "stlexh", "\t$Rd, $Rt, $addr",
4697 (stlex_2 GPR:$Rt, addr_offset_none:$addr))]>;
4698 def STLEX : AIstlex<0b00, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4699 NoItinerary, "stlex", "\t$Rd, $Rt, $addr",
4701 (stlex_4 GPR:$Rt, addr_offset_none:$addr))]>;
4702 let hasExtraSrcRegAllocReq = 1 in
4703 def STLEXD : AIstlex<0b01, (outs GPR:$Rd),
4704 (ins GPRPairOp:$Rt, addr_offset_none:$addr),
4705 NoItinerary, "stlexd", "\t$Rd, $Rt, $addr", []> {
4706 let DecoderMethod = "DecodeDoubleRegStore";
4710 def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex",
4712 Requires<[IsARM, HasV7]> {
4713 let Inst{31-0} = 0b11110101011111111111000000011111;
4716 def : ARMPat<(strex_1 (and GPR:$Rt, 0xff), addr_offset_none:$addr),
4717 (STREXB GPR:$Rt, addr_offset_none:$addr)>;
4718 def : ARMPat<(strex_2 (and GPR:$Rt, 0xffff), addr_offset_none:$addr),
4719 (STREXH GPR:$Rt, addr_offset_none:$addr)>;
4721 def : ARMPat<(stlex_1 (and GPR:$Rt, 0xff), addr_offset_none:$addr),
4722 (STLEXB GPR:$Rt, addr_offset_none:$addr)>;
4723 def : ARMPat<(stlex_2 (and GPR:$Rt, 0xffff), addr_offset_none:$addr),
4724 (STLEXH GPR:$Rt, addr_offset_none:$addr)>;
4726 class acquiring_load<PatFrag base>
4727 : PatFrag<(ops node:$ptr), (base node:$ptr), [{
4728 AtomicOrdering Ordering = cast<AtomicSDNode>(N)->getOrdering();
4729 return isAtLeastAcquire(Ordering);
4732 def atomic_load_acquire_8 : acquiring_load<atomic_load_8>;
4733 def atomic_load_acquire_16 : acquiring_load<atomic_load_16>;
4734 def atomic_load_acquire_32 : acquiring_load<atomic_load_32>;
4736 class releasing_store<PatFrag base>
4737 : PatFrag<(ops node:$ptr, node:$val), (base node:$ptr, node:$val), [{
4738 AtomicOrdering Ordering = cast<AtomicSDNode>(N)->getOrdering();
4739 return isAtLeastRelease(Ordering);
4742 def atomic_store_release_8 : releasing_store<atomic_store_8>;
4743 def atomic_store_release_16 : releasing_store<atomic_store_16>;
4744 def atomic_store_release_32 : releasing_store<atomic_store_32>;
4746 let AddedComplexity = 8 in {
4747 def : ARMPat<(atomic_load_acquire_8 addr_offset_none:$addr), (LDAB addr_offset_none:$addr)>;
4748 def : ARMPat<(atomic_load_acquire_16 addr_offset_none:$addr), (LDAH addr_offset_none:$addr)>;
4749 def : ARMPat<(atomic_load_acquire_32 addr_offset_none:$addr), (LDA addr_offset_none:$addr)>;
4750 def : ARMPat<(atomic_store_release_8 addr_offset_none:$addr, GPR:$val), (STLB GPR:$val, addr_offset_none:$addr)>;
4751 def : ARMPat<(atomic_store_release_16 addr_offset_none:$addr, GPR:$val), (STLH GPR:$val, addr_offset_none:$addr)>;
4752 def : ARMPat<(atomic_store_release_32 addr_offset_none:$addr, GPR:$val), (STL GPR:$val, addr_offset_none:$addr)>;
4755 // SWP/SWPB are deprecated in V6/V7.
4756 let mayLoad = 1, mayStore = 1 in {
4757 def SWP : AIswp<0, (outs GPRnopc:$Rt),
4758 (ins GPRnopc:$Rt2, addr_offset_none:$addr), "swp", []>,
4760 def SWPB: AIswp<1, (outs GPRnopc:$Rt),
4761 (ins GPRnopc:$Rt2, addr_offset_none:$addr), "swpb", []>,
4765 //===----------------------------------------------------------------------===//
4766 // Coprocessor Instructions.
4769 def CDP : ABI<0b1110, (outs), (ins p_imm:$cop, imm0_15:$opc1,
4770 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, imm0_7:$opc2),
4771 NoItinerary, "cdp", "\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
4772 [(int_arm_cdp imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
4773 imm:$CRm, imm:$opc2)]>,
4782 let Inst{3-0} = CRm;
4784 let Inst{7-5} = opc2;
4785 let Inst{11-8} = cop;
4786 let Inst{15-12} = CRd;
4787 let Inst{19-16} = CRn;
4788 let Inst{23-20} = opc1;
4791 def CDP2 : ABXI<0b1110, (outs), (ins p_imm:$cop, imm0_15:$opc1,
4792 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, imm0_7:$opc2),
4793 NoItinerary, "cdp2\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
4794 [(int_arm_cdp2 imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
4795 imm:$CRm, imm:$opc2)]>,
4797 let Inst{31-28} = 0b1111;
4805 let Inst{3-0} = CRm;
4807 let Inst{7-5} = opc2;
4808 let Inst{11-8} = cop;
4809 let Inst{15-12} = CRd;
4810 let Inst{19-16} = CRn;
4811 let Inst{23-20} = opc1;
4814 class ACI<dag oops, dag iops, string opc, string asm,
4815 IndexMode im = IndexModeNone>
4816 : I<oops, iops, AddrModeNone, 4, im, BrFrm, NoItinerary,
4818 let Inst{27-25} = 0b110;
4820 class ACInoP<dag oops, dag iops, string opc, string asm,
4821 IndexMode im = IndexModeNone>
4822 : InoP<oops, iops, AddrModeNone, 4, im, BrFrm, NoItinerary,
4824 let Inst{31-28} = 0b1111;
4825 let Inst{27-25} = 0b110;
4827 multiclass LdStCop<bit load, bit Dbit, string asm> {
4828 def _OFFSET : ACI<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5:$addr),
4829 asm, "\t$cop, $CRd, $addr"> {
4833 let Inst{24} = 1; // P = 1
4834 let Inst{23} = addr{8};
4835 let Inst{22} = Dbit;
4836 let Inst{21} = 0; // W = 0
4837 let Inst{20} = load;
4838 let Inst{19-16} = addr{12-9};
4839 let Inst{15-12} = CRd;
4840 let Inst{11-8} = cop;
4841 let Inst{7-0} = addr{7-0};
4842 let DecoderMethod = "DecodeCopMemInstruction";
4844 def _PRE : ACI<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5_pre:$addr),
4845 asm, "\t$cop, $CRd, $addr!", IndexModePre> {
4849 let Inst{24} = 1; // P = 1
4850 let Inst{23} = addr{8};
4851 let Inst{22} = Dbit;
4852 let Inst{21} = 1; // W = 1
4853 let Inst{20} = load;
4854 let Inst{19-16} = addr{12-9};
4855 let Inst{15-12} = CRd;
4856 let Inst{11-8} = cop;
4857 let Inst{7-0} = addr{7-0};
4858 let DecoderMethod = "DecodeCopMemInstruction";
4860 def _POST: ACI<(outs), (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
4861 postidx_imm8s4:$offset),
4862 asm, "\t$cop, $CRd, $addr, $offset", IndexModePost> {
4867 let Inst{24} = 0; // P = 0
4868 let Inst{23} = offset{8};
4869 let Inst{22} = Dbit;
4870 let Inst{21} = 1; // W = 1
4871 let Inst{20} = load;
4872 let Inst{19-16} = addr;
4873 let Inst{15-12} = CRd;
4874 let Inst{11-8} = cop;
4875 let Inst{7-0} = offset{7-0};
4876 let DecoderMethod = "DecodeCopMemInstruction";
4878 def _OPTION : ACI<(outs),
4879 (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
4880 coproc_option_imm:$option),
4881 asm, "\t$cop, $CRd, $addr, $option"> {
4886 let Inst{24} = 0; // P = 0
4887 let Inst{23} = 1; // U = 1
4888 let Inst{22} = Dbit;
4889 let Inst{21} = 0; // W = 0
4890 let Inst{20} = load;
4891 let Inst{19-16} = addr;
4892 let Inst{15-12} = CRd;
4893 let Inst{11-8} = cop;
4894 let Inst{7-0} = option;
4895 let DecoderMethod = "DecodeCopMemInstruction";
4898 multiclass LdSt2Cop<bit load, bit Dbit, string asm> {
4899 def _OFFSET : ACInoP<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5:$addr),
4900 asm, "\t$cop, $CRd, $addr"> {
4904 let Inst{24} = 1; // P = 1
4905 let Inst{23} = addr{8};
4906 let Inst{22} = Dbit;
4907 let Inst{21} = 0; // W = 0
4908 let Inst{20} = load;
4909 let Inst{19-16} = addr{12-9};
4910 let Inst{15-12} = CRd;
4911 let Inst{11-8} = cop;
4912 let Inst{7-0} = addr{7-0};
4913 let DecoderMethod = "DecodeCopMemInstruction";
4915 def _PRE : ACInoP<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5_pre:$addr),
4916 asm, "\t$cop, $CRd, $addr!", IndexModePre> {
4920 let Inst{24} = 1; // P = 1
4921 let Inst{23} = addr{8};
4922 let Inst{22} = Dbit;
4923 let Inst{21} = 1; // W = 1
4924 let Inst{20} = load;
4925 let Inst{19-16} = addr{12-9};
4926 let Inst{15-12} = CRd;
4927 let Inst{11-8} = cop;
4928 let Inst{7-0} = addr{7-0};
4929 let DecoderMethod = "DecodeCopMemInstruction";
4931 def _POST: ACInoP<(outs), (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
4932 postidx_imm8s4:$offset),
4933 asm, "\t$cop, $CRd, $addr, $offset", IndexModePost> {
4938 let Inst{24} = 0; // P = 0
4939 let Inst{23} = offset{8};
4940 let Inst{22} = Dbit;
4941 let Inst{21} = 1; // W = 1
4942 let Inst{20} = load;
4943 let Inst{19-16} = addr;
4944 let Inst{15-12} = CRd;
4945 let Inst{11-8} = cop;
4946 let Inst{7-0} = offset{7-0};
4947 let DecoderMethod = "DecodeCopMemInstruction";
4949 def _OPTION : ACInoP<(outs),
4950 (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
4951 coproc_option_imm:$option),
4952 asm, "\t$cop, $CRd, $addr, $option"> {
4957 let Inst{24} = 0; // P = 0
4958 let Inst{23} = 1; // U = 1
4959 let Inst{22} = Dbit;
4960 let Inst{21} = 0; // W = 0
4961 let Inst{20} = load;
4962 let Inst{19-16} = addr;
4963 let Inst{15-12} = CRd;
4964 let Inst{11-8} = cop;
4965 let Inst{7-0} = option;
4966 let DecoderMethod = "DecodeCopMemInstruction";
4970 defm LDC : LdStCop <1, 0, "ldc">;
4971 defm LDCL : LdStCop <1, 1, "ldcl">;
4972 defm STC : LdStCop <0, 0, "stc">;
4973 defm STCL : LdStCop <0, 1, "stcl">;
4974 defm LDC2 : LdSt2Cop<1, 0, "ldc2">, Requires<[PreV8]>;
4975 defm LDC2L : LdSt2Cop<1, 1, "ldc2l">, Requires<[PreV8]>;
4976 defm STC2 : LdSt2Cop<0, 0, "stc2">, Requires<[PreV8]>;
4977 defm STC2L : LdSt2Cop<0, 1, "stc2l">, Requires<[PreV8]>;
4979 //===----------------------------------------------------------------------===//
4980 // Move between coprocessor and ARM core register.
4983 class MovRCopro<string opc, bit direction, dag oops, dag iops,
4985 : ABI<0b1110, oops, iops, NoItinerary, opc,
4986 "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2", pattern> {
4987 let Inst{20} = direction;
4997 let Inst{15-12} = Rt;
4998 let Inst{11-8} = cop;
4999 let Inst{23-21} = opc1;
5000 let Inst{7-5} = opc2;
5001 let Inst{3-0} = CRm;
5002 let Inst{19-16} = CRn;
5005 def MCR : MovRCopro<"mcr", 0 /* from ARM core register to coprocessor */,
5007 (ins p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
5008 c_imm:$CRm, imm0_7:$opc2),
5009 [(int_arm_mcr imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
5010 imm:$CRm, imm:$opc2)]>,
5011 ComplexDeprecationPredicate<"MCR">;
5012 def : ARMInstAlias<"mcr${p} $cop, $opc1, $Rt, $CRn, $CRm",
5013 (MCR p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
5014 c_imm:$CRm, 0, pred:$p)>;
5015 def MRC : MovRCopro<"mrc", 1 /* from coprocessor to ARM core register */,
5016 (outs GPRwithAPSR:$Rt),
5017 (ins p_imm:$cop, imm0_7:$opc1, c_imm:$CRn, c_imm:$CRm,
5019 def : ARMInstAlias<"mrc${p} $cop, $opc1, $Rt, $CRn, $CRm",
5020 (MRC GPRwithAPSR:$Rt, p_imm:$cop, imm0_7:$opc1, c_imm:$CRn,
5021 c_imm:$CRm, 0, pred:$p)>;
5023 def : ARMPat<(int_arm_mrc imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2),
5024 (MRC imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
5026 class MovRCopro2<string opc, bit direction, dag oops, dag iops,
5028 : ABXI<0b1110, oops, iops, NoItinerary,
5029 !strconcat(opc, "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2"), pattern> {
5030 let Inst{31-24} = 0b11111110;
5031 let Inst{20} = direction;
5041 let Inst{15-12} = Rt;
5042 let Inst{11-8} = cop;
5043 let Inst{23-21} = opc1;
5044 let Inst{7-5} = opc2;
5045 let Inst{3-0} = CRm;
5046 let Inst{19-16} = CRn;
5049 def MCR2 : MovRCopro2<"mcr2", 0 /* from ARM core register to coprocessor */,
5051 (ins p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
5052 c_imm:$CRm, imm0_7:$opc2),
5053 [(int_arm_mcr2 imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
5054 imm:$CRm, imm:$opc2)]>,
5056 def : ARMInstAlias<"mcr2 $cop, $opc1, $Rt, $CRn, $CRm",
5057 (MCR2 p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
5059 def MRC2 : MovRCopro2<"mrc2", 1 /* from coprocessor to ARM core register */,
5060 (outs GPRwithAPSR:$Rt),
5061 (ins p_imm:$cop, imm0_7:$opc1, c_imm:$CRn, c_imm:$CRm,
5064 def : ARMInstAlias<"mrc2 $cop, $opc1, $Rt, $CRn, $CRm",
5065 (MRC2 GPRwithAPSR:$Rt, p_imm:$cop, imm0_7:$opc1, c_imm:$CRn,
5068 def : ARMV5TPat<(int_arm_mrc2 imm:$cop, imm:$opc1, imm:$CRn,
5069 imm:$CRm, imm:$opc2),
5070 (MRC2 imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
5072 class MovRRCopro<string opc, bit direction, dag oops, dag iops, list<dag>
5074 : ABI<0b1100, oops, iops, NoItinerary, opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm",
5077 let Inst{23-21} = 0b010;
5078 let Inst{20} = direction;
5086 let Inst{15-12} = Rt;
5087 let Inst{19-16} = Rt2;
5088 let Inst{11-8} = cop;
5089 let Inst{7-4} = opc1;
5090 let Inst{3-0} = CRm;
5093 def MCRR : MovRRCopro<"mcrr", 0 /* from ARM core register to coprocessor */,
5094 (outs), (ins p_imm:$cop, imm0_15:$opc1, GPRnopc:$Rt,
5095 GPRnopc:$Rt2, c_imm:$CRm),
5096 [(int_arm_mcrr imm:$cop, imm:$opc1, GPRnopc:$Rt,
5097 GPRnopc:$Rt2, imm:$CRm)]>;
5098 def MRRC : MovRRCopro<"mrrc", 1 /* from coprocessor to ARM core register */,
5099 (outs GPRnopc:$Rt, GPRnopc:$Rt2),
5100 (ins p_imm:$cop, imm0_15:$opc1, c_imm:$CRm), []>;
5102 class MovRRCopro2<string opc, bit direction, list<dag> pattern = []>
5103 : ABXI<0b1100, (outs), (ins p_imm:$cop, imm0_15:$opc1,
5104 GPRnopc:$Rt, GPRnopc:$Rt2, c_imm:$CRm), NoItinerary,
5105 !strconcat(opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm"), pattern>,
5107 let Inst{31-28} = 0b1111;
5108 let Inst{23-21} = 0b010;
5109 let Inst{20} = direction;
5117 let Inst{15-12} = Rt;
5118 let Inst{19-16} = Rt2;
5119 let Inst{11-8} = cop;
5120 let Inst{7-4} = opc1;
5121 let Inst{3-0} = CRm;
5123 let DecoderMethod = "DecodeMRRC2";
5126 def MCRR2 : MovRRCopro2<"mcrr2", 0 /* from ARM core register to coprocessor */,
5127 [(int_arm_mcrr2 imm:$cop, imm:$opc1, GPRnopc:$Rt,
5128 GPRnopc:$Rt2, imm:$CRm)]>;
5129 def MRRC2 : MovRRCopro2<"mrrc2", 1 /* from coprocessor to ARM core register */>;
5131 //===----------------------------------------------------------------------===//
5132 // Move between special register and ARM core register
5135 // Move to ARM core register from Special Register
5136 def MRS : ABI<0b0001, (outs GPRnopc:$Rd), (ins), NoItinerary,
5137 "mrs", "\t$Rd, apsr", []> {
5139 let Inst{23-16} = 0b00001111;
5140 let Unpredictable{19-17} = 0b111;
5142 let Inst{15-12} = Rd;
5144 let Inst{11-0} = 0b000000000000;
5145 let Unpredictable{11-0} = 0b110100001111;
5148 def : InstAlias<"mrs${p} $Rd, cpsr", (MRS GPRnopc:$Rd, pred:$p)>,
5151 // The MRSsys instruction is the MRS instruction from the ARM ARM,
5152 // section B9.3.9, with the R bit set to 1.
5153 def MRSsys : ABI<0b0001, (outs GPRnopc:$Rd), (ins), NoItinerary,
5154 "mrs", "\t$Rd, spsr", []> {
5156 let Inst{23-16} = 0b01001111;
5157 let Unpredictable{19-16} = 0b1111;
5159 let Inst{15-12} = Rd;
5161 let Inst{11-0} = 0b000000000000;
5162 let Unpredictable{11-0} = 0b110100001111;
5165 // However, the MRS (banked register) system instruction (ARMv7VE) *does* have a
5166 // separate encoding (distinguished by bit 5.
5167 def MRSbanked : ABI<0b0001, (outs GPRnopc:$Rd), (ins banked_reg:$banked),
5168 NoItinerary, "mrs", "\t$Rd, $banked", []>,
5169 Requires<[IsARM, HasVirtualization]> {
5174 let Inst{22} = banked{5}; // R bit
5175 let Inst{21-20} = 0b00;
5176 let Inst{19-16} = banked{3-0};
5177 let Inst{15-12} = Rd;
5178 let Inst{11-9} = 0b001;
5179 let Inst{8} = banked{4};
5180 let Inst{7-0} = 0b00000000;
5183 // Move from ARM core register to Special Register
5185 // No need to have both system and application versions of MSR (immediate) or
5186 // MSR (register), the encodings are the same and the assembly parser has no way
5187 // to distinguish between them. The mask operand contains the special register
5188 // (R Bit) in bit 4 and bits 3-0 contains the mask with the fields to be
5189 // accessed in the special register.
5190 def MSR : ABI<0b0001, (outs), (ins msr_mask:$mask, GPR:$Rn), NoItinerary,
5191 "msr", "\t$mask, $Rn", []> {
5196 let Inst{22} = mask{4}; // R bit
5197 let Inst{21-20} = 0b10;
5198 let Inst{19-16} = mask{3-0};
5199 let Inst{15-12} = 0b1111;
5200 let Inst{11-4} = 0b00000000;
5204 def MSRi : ABI<0b0011, (outs), (ins msr_mask:$mask, mod_imm:$imm), NoItinerary,
5205 "msr", "\t$mask, $imm", []> {
5210 let Inst{22} = mask{4}; // R bit
5211 let Inst{21-20} = 0b10;
5212 let Inst{19-16} = mask{3-0};
5213 let Inst{15-12} = 0b1111;
5214 let Inst{11-0} = imm;
5217 // However, the MSR (banked register) system instruction (ARMv7VE) *does* have a
5218 // separate encoding (distinguished by bit 5.
5219 def MSRbanked : ABI<0b0001, (outs), (ins banked_reg:$banked, GPRnopc:$Rn),
5220 NoItinerary, "msr", "\t$banked, $Rn", []>,
5221 Requires<[IsARM, HasVirtualization]> {
5226 let Inst{22} = banked{5}; // R bit
5227 let Inst{21-20} = 0b10;
5228 let Inst{19-16} = banked{3-0};
5229 let Inst{15-12} = 0b1111;
5230 let Inst{11-9} = 0b001;
5231 let Inst{8} = banked{4};
5232 let Inst{7-4} = 0b0000;
5236 // Dynamic stack allocation yields a _chkstk for Windows targets. These calls
5237 // are needed to probe the stack when allocating more than
5238 // 4k bytes in one go. Touching the stack at 4K increments is necessary to
5239 // ensure that the guard pages used by the OS virtual memory manager are
5240 // allocated in correct sequence.
5241 // The main point of having separate instruction are extra unmodelled effects
5242 // (compared to ordinary calls) like stack pointer change.
5244 def win__chkstk : SDNode<"ARMISD::WIN__CHKSTK", SDTNone,
5245 [SDNPHasChain, SDNPSideEffect]>;
5246 let usesCustomInserter = 1, Uses = [R4], Defs = [R4, SP] in
5247 def WIN__CHKSTK : PseudoInst<(outs), (ins), NoItinerary, [(win__chkstk)]>;
5249 //===----------------------------------------------------------------------===//
5253 // __aeabi_read_tp preserves the registers r1-r3.
5254 // This is a pseudo inst so that we can get the encoding right,
5255 // complete with fixup for the aeabi_read_tp function.
5256 // TPsoft is valid for ARM mode only, in case of Thumb mode a tTPsoft pattern
5257 // is defined in "ARMInstrThumb.td".
5259 Defs = [R0, R12, LR, CPSR], Uses = [SP] in {
5260 def TPsoft : ARMPseudoInst<(outs), (ins), 4, IIC_Br,
5261 [(set R0, ARMthread_pointer)]>, Sched<[WriteBr]>;
5264 //===----------------------------------------------------------------------===//
5265 // SJLJ Exception handling intrinsics
5266 // eh_sjlj_setjmp() is an instruction sequence to store the return
5267 // address and save #0 in R0 for the non-longjmp case.
5268 // Since by its nature we may be coming from some other function to get
5269 // here, and we're using the stack frame for the containing function to
5270 // save/restore registers, we can't keep anything live in regs across
5271 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
5272 // when we get here from a longjmp(). We force everything out of registers
5273 // except for our own input by listing the relevant registers in Defs. By
5274 // doing so, we also cause the prologue/epilogue code to actively preserve
5275 // all of the callee-saved resgisters, which is exactly what we want.
5276 // A constant value is passed in $val, and we use the location as a scratch.
5278 // These are pseudo-instructions and are lowered to individual MC-insts, so
5279 // no encoding information is necessary.
5281 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR,
5282 Q0, Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8, Q9, Q10, Q11, Q12, Q13, Q14, Q15 ],
5283 hasSideEffects = 1, isBarrier = 1, usesCustomInserter = 1 in {
5284 def Int_eh_sjlj_setjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
5286 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
5287 Requires<[IsARM, HasVFP2]>;
5291 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR ],
5292 hasSideEffects = 1, isBarrier = 1, usesCustomInserter = 1 in {
5293 def Int_eh_sjlj_setjmp_nofp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
5295 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
5296 Requires<[IsARM, NoVFP]>;
5299 // FIXME: Non-IOS version(s)
5300 let isBarrier = 1, hasSideEffects = 1, isTerminator = 1,
5301 Defs = [ R7, LR, SP ] in {
5302 def Int_eh_sjlj_longjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$scratch),
5304 [(ARMeh_sjlj_longjmp GPR:$src, GPR:$scratch)]>,
5308 let isBarrier = 1, hasSideEffects = 1, usesCustomInserter = 1 in
5309 def Int_eh_sjlj_setup_dispatch : PseudoInst<(outs), (ins), NoItinerary,
5310 [(ARMeh_sjlj_setup_dispatch)]>;
5312 // eh.sjlj.dispatchsetup pseudo-instruction.
5313 // This pseudo is used for both ARM and Thumb. Any differences are handled when
5314 // the pseudo is expanded (which happens before any passes that need the
5315 // instruction size).
5316 let isBarrier = 1 in
5317 def Int_eh_sjlj_dispatchsetup : PseudoInst<(outs), (ins), NoItinerary, []>;
5320 //===----------------------------------------------------------------------===//
5321 // Non-Instruction Patterns
5324 // ARMv4 indirect branch using (MOVr PC, dst)
5325 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in
5326 def MOVPCRX : ARMPseudoExpand<(outs), (ins GPR:$dst),
5327 4, IIC_Br, [(brind GPR:$dst)],
5328 (MOVr PC, GPR:$dst, (ops 14, zero_reg), zero_reg)>,
5329 Requires<[IsARM, NoV4T]>, Sched<[WriteBr]>;
5331 // Large immediate handling.
5333 // 32-bit immediate using two piece mod_imms or movw + movt.
5334 // This is a single pseudo instruction, the benefit is that it can be remat'd
5335 // as a single unit instead of having to handle reg inputs.
5336 // FIXME: Remove this when we can do generalized remat.
5337 let isReMaterializable = 1, isMoveImm = 1 in
5338 def MOVi32imm : PseudoInst<(outs GPR:$dst), (ins i32imm:$src), IIC_iMOVix2,
5339 [(set GPR:$dst, (arm_i32imm:$src))]>,
5342 def LDRLIT_ga_abs : PseudoInst<(outs GPR:$dst), (ins i32imm:$src), IIC_iLoad_i,
5343 [(set GPR:$dst, (ARMWrapper tglobaladdr:$src))]>,
5344 Requires<[IsARM, DontUseMovt]>;
5346 // Pseudo instruction that combines movw + movt + add pc (if PIC).
5347 // It also makes it possible to rematerialize the instructions.
5348 // FIXME: Remove this when we can do generalized remat and when machine licm
5349 // can properly the instructions.
5350 let isReMaterializable = 1 in {
5351 def MOV_ga_pcrel : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
5353 [(set GPR:$dst, (ARMWrapperPIC tglobaladdr:$addr))]>,
5354 Requires<[IsARM, UseMovt]>;
5356 def LDRLIT_ga_pcrel : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
5359 (ARMWrapperPIC tglobaladdr:$addr))]>,
5360 Requires<[IsARM, DontUseMovt]>;
5362 let AddedComplexity = 10 in
5363 def LDRLIT_ga_pcrel_ldr : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
5366 (load (ARMWrapperPIC tglobaladdr:$addr)))]>,
5367 Requires<[IsARM, DontUseMovt]>;
5369 let AddedComplexity = 10 in
5370 def MOV_ga_pcrel_ldr : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
5372 [(set GPR:$dst, (load (ARMWrapperPIC tglobaladdr:$addr)))]>,
5373 Requires<[IsARM, UseMovt]>;
5374 } // isReMaterializable
5376 // ConstantPool, GlobalAddress, and JumpTable
5377 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
5378 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
5379 Requires<[IsARM, UseMovt]>;
5380 def : ARMPat<(ARMWrapperJT tjumptable:$dst),
5381 (LEApcrelJT tjumptable:$dst)>;
5383 // TODO: add,sub,and, 3-instr forms?
5385 // Tail calls. These patterns also apply to Thumb mode.
5386 def : Pat<(ARMtcret tcGPR:$dst), (TCRETURNri tcGPR:$dst)>;
5387 def : Pat<(ARMtcret (i32 tglobaladdr:$dst)), (TCRETURNdi texternalsym:$dst)>;
5388 def : Pat<(ARMtcret (i32 texternalsym:$dst)), (TCRETURNdi texternalsym:$dst)>;
5391 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>;
5392 def : ARMPat<(ARMcall_nolink texternalsym:$func),
5393 (BMOVPCB_CALL texternalsym:$func)>;
5395 // zextload i1 -> zextload i8
5396 def : ARMPat<(zextloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
5397 def : ARMPat<(zextloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
5399 // extload -> zextload
5400 def : ARMPat<(extloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
5401 def : ARMPat<(extloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
5402 def : ARMPat<(extloadi8 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
5403 def : ARMPat<(extloadi8 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
5405 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
5407 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
5408 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
5411 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
5412 (sra (shl GPR:$b, (i32 16)), (i32 16))),
5413 (SMULBB GPR:$a, GPR:$b)>;
5414 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
5415 (SMULBB GPR:$a, GPR:$b)>;
5416 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
5417 (sra GPR:$b, (i32 16))),
5418 (SMULBT GPR:$a, GPR:$b)>;
5419 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
5420 (SMULBT GPR:$a, GPR:$b)>;
5421 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
5422 (sra (shl GPR:$b, (i32 16)), (i32 16))),
5423 (SMULTB GPR:$a, GPR:$b)>;
5424 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
5425 (SMULTB GPR:$a, GPR:$b)>;
5427 def : ARMV5MOPat<(add GPR:$acc,
5428 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
5429 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
5430 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
5431 def : ARMV5MOPat<(add GPR:$acc,
5432 (mul sext_16_node:$a, sext_16_node:$b)),
5433 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
5434 def : ARMV5MOPat<(add GPR:$acc,
5435 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
5436 (sra GPR:$b, (i32 16)))),
5437 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
5438 def : ARMV5MOPat<(add GPR:$acc,
5439 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
5440 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
5441 def : ARMV5MOPat<(add GPR:$acc,
5442 (mul (sra GPR:$a, (i32 16)),
5443 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
5444 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
5445 def : ARMV5MOPat<(add GPR:$acc,
5446 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
5447 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
5450 // Pre-v7 uses MCR for synchronization barriers.
5451 def : ARMPat<(ARMMemBarrierMCR GPR:$zero), (MCR 15, 0, GPR:$zero, 7, 10, 5)>,
5452 Requires<[IsARM, HasV6]>;
5454 // SXT/UXT with no rotate
5455 let AddedComplexity = 16 in {
5456 def : ARMV6Pat<(and GPR:$Src, 0x000000FF), (UXTB GPR:$Src, 0)>;
5457 def : ARMV6Pat<(and GPR:$Src, 0x0000FFFF), (UXTH GPR:$Src, 0)>;
5458 def : ARMV6Pat<(and GPR:$Src, 0x00FF00FF), (UXTB16 GPR:$Src, 0)>;
5459 def : ARMV6Pat<(add GPR:$Rn, (and GPR:$Rm, 0x00FF)),
5460 (UXTAB GPR:$Rn, GPR:$Rm, 0)>;
5461 def : ARMV6Pat<(add GPR:$Rn, (and GPR:$Rm, 0xFFFF)),
5462 (UXTAH GPR:$Rn, GPR:$Rm, 0)>;
5465 def : ARMV6Pat<(sext_inreg GPR:$Src, i8), (SXTB GPR:$Src, 0)>;
5466 def : ARMV6Pat<(sext_inreg GPR:$Src, i16), (SXTH GPR:$Src, 0)>;
5468 def : ARMV6Pat<(add GPR:$Rn, (sext_inreg GPRnopc:$Rm, i8)),
5469 (SXTAB GPR:$Rn, GPRnopc:$Rm, 0)>;
5470 def : ARMV6Pat<(add GPR:$Rn, (sext_inreg GPRnopc:$Rm, i16)),
5471 (SXTAH GPR:$Rn, GPRnopc:$Rm, 0)>;
5473 // Atomic load/store patterns
5474 def : ARMPat<(atomic_load_8 ldst_so_reg:$src),
5475 (LDRBrs ldst_so_reg:$src)>;
5476 def : ARMPat<(atomic_load_8 addrmode_imm12:$src),
5477 (LDRBi12 addrmode_imm12:$src)>;
5478 def : ARMPat<(atomic_load_16 addrmode3:$src),
5479 (LDRH addrmode3:$src)>;
5480 def : ARMPat<(atomic_load_32 ldst_so_reg:$src),
5481 (LDRrs ldst_so_reg:$src)>;
5482 def : ARMPat<(atomic_load_32 addrmode_imm12:$src),
5483 (LDRi12 addrmode_imm12:$src)>;
5484 def : ARMPat<(atomic_store_8 ldst_so_reg:$ptr, GPR:$val),
5485 (STRBrs GPR:$val, ldst_so_reg:$ptr)>;
5486 def : ARMPat<(atomic_store_8 addrmode_imm12:$ptr, GPR:$val),
5487 (STRBi12 GPR:$val, addrmode_imm12:$ptr)>;
5488 def : ARMPat<(atomic_store_16 addrmode3:$ptr, GPR:$val),
5489 (STRH GPR:$val, addrmode3:$ptr)>;
5490 def : ARMPat<(atomic_store_32 ldst_so_reg:$ptr, GPR:$val),
5491 (STRrs GPR:$val, ldst_so_reg:$ptr)>;
5492 def : ARMPat<(atomic_store_32 addrmode_imm12:$ptr, GPR:$val),
5493 (STRi12 GPR:$val, addrmode_imm12:$ptr)>;
5496 //===----------------------------------------------------------------------===//
5500 include "ARMInstrThumb.td"
5502 //===----------------------------------------------------------------------===//
5506 include "ARMInstrThumb2.td"
5508 //===----------------------------------------------------------------------===//
5509 // Floating Point Support
5512 include "ARMInstrVFP.td"
5514 //===----------------------------------------------------------------------===//
5515 // Advanced SIMD (NEON) Support
5518 include "ARMInstrNEON.td"
5520 //===----------------------------------------------------------------------===//
5521 // Assembler aliases
5525 def : InstAlias<"dmb", (DMB 0xf)>, Requires<[IsARM, HasDB]>;
5526 def : InstAlias<"dsb", (DSB 0xf)>, Requires<[IsARM, HasDB]>;
5527 def : InstAlias<"isb", (ISB 0xf)>, Requires<[IsARM, HasDB]>;
5529 // System instructions
5530 def : MnemonicAlias<"swi", "svc">;
5532 // Load / Store Multiple
5533 def : MnemonicAlias<"ldmfd", "ldm">;
5534 def : MnemonicAlias<"ldmia", "ldm">;
5535 def : MnemonicAlias<"ldmea", "ldmdb">;
5536 def : MnemonicAlias<"stmfd", "stmdb">;
5537 def : MnemonicAlias<"stmia", "stm">;
5538 def : MnemonicAlias<"stmea", "stm">;
5540 // PKHBT/PKHTB with default shift amount. PKHTB is equivalent to PKHBT when the
5541 // shift amount is zero (i.e., unspecified).
5542 def : InstAlias<"pkhbt${p} $Rd, $Rn, $Rm",
5543 (PKHBT GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, 0, pred:$p)>,
5544 Requires<[IsARM, HasV6]>;
5545 def : InstAlias<"pkhtb${p} $Rd, $Rn, $Rm",
5546 (PKHBT GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, 0, pred:$p)>,
5547 Requires<[IsARM, HasV6]>;
5549 // PUSH/POP aliases for STM/LDM
5550 def : ARMInstAlias<"push${p} $regs", (STMDB_UPD SP, pred:$p, reglist:$regs)>;
5551 def : ARMInstAlias<"pop${p} $regs", (LDMIA_UPD SP, pred:$p, reglist:$regs)>;
5553 // SSAT/USAT optional shift operand.
5554 def : ARMInstAlias<"ssat${p} $Rd, $sat_imm, $Rn",
5555 (SSAT GPRnopc:$Rd, imm1_32:$sat_imm, GPRnopc:$Rn, 0, pred:$p)>;
5556 def : ARMInstAlias<"usat${p} $Rd, $sat_imm, $Rn",
5557 (USAT GPRnopc:$Rd, imm0_31:$sat_imm, GPRnopc:$Rn, 0, pred:$p)>;
5560 // Extend instruction optional rotate operand.
5561 def : ARMInstAlias<"sxtab${p} $Rd, $Rn, $Rm",
5562 (SXTAB GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5563 def : ARMInstAlias<"sxtah${p} $Rd, $Rn, $Rm",
5564 (SXTAH GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5565 def : ARMInstAlias<"sxtab16${p} $Rd, $Rn, $Rm",
5566 (SXTAB16 GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5567 def : ARMInstAlias<"sxtb${p} $Rd, $Rm",
5568 (SXTB GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5569 def : ARMInstAlias<"sxtb16${p} $Rd, $Rm",
5570 (SXTB16 GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5571 def : ARMInstAlias<"sxth${p} $Rd, $Rm",
5572 (SXTH GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5574 def : ARMInstAlias<"uxtab${p} $Rd, $Rn, $Rm",
5575 (UXTAB GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5576 def : ARMInstAlias<"uxtah${p} $Rd, $Rn, $Rm",
5577 (UXTAH GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5578 def : ARMInstAlias<"uxtab16${p} $Rd, $Rn, $Rm",
5579 (UXTAB16 GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5580 def : ARMInstAlias<"uxtb${p} $Rd, $Rm",
5581 (UXTB GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5582 def : ARMInstAlias<"uxtb16${p} $Rd, $Rm",
5583 (UXTB16 GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5584 def : ARMInstAlias<"uxth${p} $Rd, $Rm",
5585 (UXTH GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5589 def : MnemonicAlias<"rfefa", "rfeda">;
5590 def : MnemonicAlias<"rfeea", "rfedb">;
5591 def : MnemonicAlias<"rfefd", "rfeia">;
5592 def : MnemonicAlias<"rfeed", "rfeib">;
5593 def : MnemonicAlias<"rfe", "rfeia">;
5596 def : MnemonicAlias<"srsfa", "srsib">;
5597 def : MnemonicAlias<"srsea", "srsia">;
5598 def : MnemonicAlias<"srsfd", "srsdb">;
5599 def : MnemonicAlias<"srsed", "srsda">;
5600 def : MnemonicAlias<"srs", "srsia">;
5603 def : MnemonicAlias<"qsubaddx", "qsax">;
5605 def : MnemonicAlias<"saddsubx", "sasx">;
5606 // SHASX == SHADDSUBX
5607 def : MnemonicAlias<"shaddsubx", "shasx">;
5608 // SHSAX == SHSUBADDX
5609 def : MnemonicAlias<"shsubaddx", "shsax">;
5611 def : MnemonicAlias<"ssubaddx", "ssax">;
5613 def : MnemonicAlias<"uaddsubx", "uasx">;
5614 // UHASX == UHADDSUBX
5615 def : MnemonicAlias<"uhaddsubx", "uhasx">;
5616 // UHSAX == UHSUBADDX
5617 def : MnemonicAlias<"uhsubaddx", "uhsax">;
5618 // UQASX == UQADDSUBX
5619 def : MnemonicAlias<"uqaddsubx", "uqasx">;
5620 // UQSAX == UQSUBADDX
5621 def : MnemonicAlias<"uqsubaddx", "uqsax">;
5623 def : MnemonicAlias<"usubaddx", "usax">;
5625 // "mov Rd, mod_imm_not" can be handled via "mvn" in assembly, just like
5627 def : ARMInstAlias<"mov${s}${p} $Rd, $imm",
5628 (MVNi rGPR:$Rd, mod_imm_not:$imm, pred:$p, cc_out:$s)>;
5629 def : ARMInstAlias<"mvn${s}${p} $Rd, $imm",
5630 (MOVi rGPR:$Rd, mod_imm_not:$imm, pred:$p, cc_out:$s)>;
5631 // Same for AND <--> BIC
5632 def : ARMInstAlias<"bic${s}${p} $Rd, $Rn, $imm",
5633 (ANDri rGPR:$Rd, rGPR:$Rn, mod_imm_not:$imm,
5634 pred:$p, cc_out:$s)>;
5635 def : ARMInstAlias<"bic${s}${p} $Rdn, $imm",
5636 (ANDri rGPR:$Rdn, rGPR:$Rdn, mod_imm_not:$imm,
5637 pred:$p, cc_out:$s)>;
5638 def : ARMInstAlias<"and${s}${p} $Rd, $Rn, $imm",
5639 (BICri rGPR:$Rd, rGPR:$Rn, mod_imm_not:$imm,
5640 pred:$p, cc_out:$s)>;
5641 def : ARMInstAlias<"and${s}${p} $Rdn, $imm",
5642 (BICri rGPR:$Rdn, rGPR:$Rdn, mod_imm_not:$imm,
5643 pred:$p, cc_out:$s)>;
5645 // Likewise, "add Rd, mod_imm_neg" -> sub
5646 def : ARMInstAlias<"add${s}${p} $Rd, $Rn, $imm",
5647 (SUBri GPR:$Rd, GPR:$Rn, mod_imm_neg:$imm, pred:$p, cc_out:$s)>;
5648 def : ARMInstAlias<"add${s}${p} $Rd, $imm",
5649 (SUBri GPR:$Rd, GPR:$Rd, mod_imm_neg:$imm, pred:$p, cc_out:$s)>;
5650 // Same for CMP <--> CMN via mod_imm_neg
5651 def : ARMInstAlias<"cmp${p} $Rd, $imm",
5652 (CMNri rGPR:$Rd, mod_imm_neg:$imm, pred:$p)>;
5653 def : ARMInstAlias<"cmn${p} $Rd, $imm",
5654 (CMPri rGPR:$Rd, mod_imm_neg:$imm, pred:$p)>;
5656 // The shifter forms of the MOV instruction are aliased to the ASR, LSL,
5657 // LSR, ROR, and RRX instructions.
5658 // FIXME: We need C++ parser hooks to map the alias to the MOV
5659 // encoding. It seems we should be able to do that sort of thing
5660 // in tblgen, but it could get ugly.
5661 let TwoOperandAliasConstraint = "$Rm = $Rd" in {
5662 def ASRi : ARMAsmPseudo<"asr${s}${p} $Rd, $Rm, $imm",
5663 (ins GPR:$Rd, GPR:$Rm, imm0_32:$imm, pred:$p,
5665 def LSRi : ARMAsmPseudo<"lsr${s}${p} $Rd, $Rm, $imm",
5666 (ins GPR:$Rd, GPR:$Rm, imm0_32:$imm, pred:$p,
5668 def LSLi : ARMAsmPseudo<"lsl${s}${p} $Rd, $Rm, $imm",
5669 (ins GPR:$Rd, GPR:$Rm, imm0_31:$imm, pred:$p,
5671 def RORi : ARMAsmPseudo<"ror${s}${p} $Rd, $Rm, $imm",
5672 (ins GPR:$Rd, GPR:$Rm, imm0_31:$imm, pred:$p,
5675 def RRXi : ARMAsmPseudo<"rrx${s}${p} $Rd, $Rm",
5676 (ins GPR:$Rd, GPR:$Rm, pred:$p, cc_out:$s)>;
5677 let TwoOperandAliasConstraint = "$Rn = $Rd" in {
5678 def ASRr : ARMAsmPseudo<"asr${s}${p} $Rd, $Rn, $Rm",
5679 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5681 def LSRr : ARMAsmPseudo<"lsr${s}${p} $Rd, $Rn, $Rm",
5682 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5684 def LSLr : ARMAsmPseudo<"lsl${s}${p} $Rd, $Rn, $Rm",
5685 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5687 def RORr : ARMAsmPseudo<"ror${s}${p} $Rd, $Rn, $Rm",
5688 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5692 // "neg" is and alias for "rsb rd, rn, #0"
5693 def : ARMInstAlias<"neg${s}${p} $Rd, $Rm",
5694 (RSBri GPR:$Rd, GPR:$Rm, 0, pred:$p, cc_out:$s)>;
5696 // Pre-v6, 'mov r0, r0' was used as a NOP encoding.
5697 def : InstAlias<"nop${p}", (MOVr R0, R0, pred:$p, zero_reg)>,
5698 Requires<[IsARM, NoV6]>;
5700 // MUL/UMLAL/SMLAL/UMULL/SMULL are available on all arches, but
5701 // the instruction definitions need difference constraints pre-v6.
5702 // Use these aliases for the assembly parsing on pre-v6.
5703 def : InstAlias<"mul${s}${p} $Rd, $Rn, $Rm",
5704 (MUL GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p, cc_out:$s)>,
5705 Requires<[IsARM, NoV6]>;
5706 def : InstAlias<"mla${s}${p} $Rd, $Rn, $Rm, $Ra",
5707 (MLA GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$Ra,
5708 pred:$p, cc_out:$s)>,
5709 Requires<[IsARM, NoV6]>;
5710 def : InstAlias<"smlal${s}${p} $RdLo, $RdHi, $Rn, $Rm",
5711 (SMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
5712 Requires<[IsARM, NoV6]>;
5713 def : InstAlias<"umlal${s}${p} $RdLo, $RdHi, $Rn, $Rm",
5714 (UMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
5715 Requires<[IsARM, NoV6]>;
5716 def : InstAlias<"smull${s}${p} $RdLo, $RdHi, $Rn, $Rm",
5717 (SMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
5718 Requires<[IsARM, NoV6]>;
5719 def : InstAlias<"umull${s}${p} $RdLo, $RdHi, $Rn, $Rm",
5720 (UMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
5721 Requires<[IsARM, NoV6]>;
5723 // 'it' blocks in ARM mode just validate the predicates. The IT itself
5725 def ITasm : ARMAsmPseudo<"it$mask $cc", (ins it_pred:$cc, it_mask:$mask)>,
5726 ComplexDeprecationPredicate<"IT">;
5728 let mayLoad = 1, mayStore =1, hasSideEffects = 1 in
5729 def SPACE : PseudoInst<(outs GPR:$Rd), (ins i32imm:$size, GPR:$Rn),
5731 [(set GPR:$Rd, (int_arm_space imm:$size, GPR:$Rn))]>;