1 //===- ARMInstrInfo.td - Target Description for ARM Target -*- tablegen -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file describes the ARM instructions in TableGen format.
12 //===----------------------------------------------------------------------===//
14 //===----------------------------------------------------------------------===//
15 // ARM specific DAG Nodes.
19 def SDT_ARMCallSeqStart : SDCallSeqStart<[ SDTCisVT<0, i32> ]>;
20 def SDT_ARMCallSeqEnd : SDCallSeqEnd<[ SDTCisVT<0, i32>, SDTCisVT<1, i32> ]>;
21 def SDT_ARMStructByVal : SDTypeProfile<0, 4,
22 [SDTCisVT<0, i32>, SDTCisVT<1, i32>,
23 SDTCisVT<2, i32>, SDTCisVT<3, i32>]>;
25 def SDT_ARMSaveCallPC : SDTypeProfile<0, 1, []>;
27 def SDT_ARMcall : SDTypeProfile<0, -1, [SDTCisPtrTy<0>]>;
29 def SDT_ARMCMov : SDTypeProfile<1, 3,
30 [SDTCisSameAs<0, 1>, SDTCisSameAs<0, 2>,
33 def SDT_ARMBrcond : SDTypeProfile<0, 2,
34 [SDTCisVT<0, OtherVT>, SDTCisVT<1, i32>]>;
36 def SDT_ARMBrJT : SDTypeProfile<0, 3,
37 [SDTCisPtrTy<0>, SDTCisVT<1, i32>,
40 def SDT_ARMBr2JT : SDTypeProfile<0, 4,
41 [SDTCisPtrTy<0>, SDTCisVT<1, i32>,
42 SDTCisVT<2, i32>, SDTCisVT<3, i32>]>;
44 def SDT_ARMBCC_i64 : SDTypeProfile<0, 6,
46 SDTCisVT<1, i32>, SDTCisVT<2, i32>,
47 SDTCisVT<3, i32>, SDTCisVT<4, i32>,
48 SDTCisVT<5, OtherVT>]>;
50 def SDT_ARMAnd : SDTypeProfile<1, 2,
51 [SDTCisVT<0, i32>, SDTCisVT<1, i32>,
54 def SDT_ARMCmp : SDTypeProfile<0, 2, [SDTCisSameAs<0, 1>]>;
56 def SDT_ARMPICAdd : SDTypeProfile<1, 2, [SDTCisSameAs<0, 1>,
57 SDTCisPtrTy<1>, SDTCisVT<2, i32>]>;
59 def SDT_ARMThreadPointer : SDTypeProfile<1, 0, [SDTCisPtrTy<0>]>;
60 def SDT_ARMEH_SJLJ_Setjmp : SDTypeProfile<1, 2, [SDTCisInt<0>, SDTCisPtrTy<1>,
62 def SDT_ARMEH_SJLJ_Longjmp: SDTypeProfile<0, 2, [SDTCisPtrTy<0>, SDTCisInt<1>]>;
64 def SDT_ARMMEMBARRIER : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
66 def SDT_ARMPREFETCH : SDTypeProfile<0, 3, [SDTCisPtrTy<0>, SDTCisSameAs<1, 2>,
69 def SDT_ARMTCRET : SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>;
71 def SDT_ARMBFI : SDTypeProfile<1, 3, [SDTCisVT<0, i32>, SDTCisVT<1, i32>,
72 SDTCisVT<2, i32>, SDTCisVT<3, i32>]>;
74 def SDT_ARMVMAXNM : SDTypeProfile<1, 2, [SDTCisFP<0>, SDTCisFP<1>, SDTCisFP<2>]>;
75 def SDT_ARMVMINNM : SDTypeProfile<1, 2, [SDTCisFP<0>, SDTCisFP<1>, SDTCisFP<2>]>;
77 def SDTBinaryArithWithFlags : SDTypeProfile<2, 2,
80 SDTCisInt<0>, SDTCisVT<1, i32>]>;
82 // SDTBinaryArithWithFlagsInOut - RES1, CPSR = op LHS, RHS, CPSR
83 def SDTBinaryArithWithFlagsInOut : SDTypeProfile<2, 3,
90 def SDT_ARM64bitmlal : SDTypeProfile<2,4, [ SDTCisVT<0, i32>, SDTCisVT<1, i32>,
91 SDTCisVT<2, i32>, SDTCisVT<3, i32>,
92 SDTCisVT<4, i32>, SDTCisVT<5, i32> ] >;
93 def ARMUmlal : SDNode<"ARMISD::UMLAL", SDT_ARM64bitmlal>;
94 def ARMSmlal : SDNode<"ARMISD::SMLAL", SDT_ARM64bitmlal>;
97 def ARMWrapper : SDNode<"ARMISD::Wrapper", SDTIntUnaryOp>;
98 def ARMWrapperPIC : SDNode<"ARMISD::WrapperPIC", SDTIntUnaryOp>;
99 def ARMWrapperJT : SDNode<"ARMISD::WrapperJT", SDTIntBinOp>;
101 def ARMcallseq_start : SDNode<"ISD::CALLSEQ_START", SDT_ARMCallSeqStart,
102 [SDNPHasChain, SDNPSideEffect, SDNPOutGlue]>;
103 def ARMcallseq_end : SDNode<"ISD::CALLSEQ_END", SDT_ARMCallSeqEnd,
104 [SDNPHasChain, SDNPSideEffect,
105 SDNPOptInGlue, SDNPOutGlue]>;
106 def ARMcopystructbyval : SDNode<"ARMISD::COPY_STRUCT_BYVAL" ,
108 [SDNPHasChain, SDNPInGlue, SDNPOutGlue,
109 SDNPMayStore, SDNPMayLoad]>;
111 def ARMcall : SDNode<"ARMISD::CALL", SDT_ARMcall,
112 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
114 def ARMcall_pred : SDNode<"ARMISD::CALL_PRED", SDT_ARMcall,
115 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
117 def ARMcall_nolink : SDNode<"ARMISD::CALL_NOLINK", SDT_ARMcall,
118 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
121 def ARMretflag : SDNode<"ARMISD::RET_FLAG", SDTNone,
122 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
123 def ARMintretflag : SDNode<"ARMISD::INTRET_FLAG", SDT_ARMcall,
124 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
125 def ARMcmov : SDNode<"ARMISD::CMOV", SDT_ARMCMov,
128 def ARMbrcond : SDNode<"ARMISD::BRCOND", SDT_ARMBrcond,
129 [SDNPHasChain, SDNPInGlue, SDNPOutGlue]>;
131 def ARMbrjt : SDNode<"ARMISD::BR_JT", SDT_ARMBrJT,
133 def ARMbr2jt : SDNode<"ARMISD::BR2_JT", SDT_ARMBr2JT,
136 def ARMBcci64 : SDNode<"ARMISD::BCC_i64", SDT_ARMBCC_i64,
139 def ARMcmp : SDNode<"ARMISD::CMP", SDT_ARMCmp,
142 def ARMcmn : SDNode<"ARMISD::CMN", SDT_ARMCmp,
145 def ARMcmpZ : SDNode<"ARMISD::CMPZ", SDT_ARMCmp,
146 [SDNPOutGlue, SDNPCommutative]>;
148 def ARMpic_add : SDNode<"ARMISD::PIC_ADD", SDT_ARMPICAdd>;
150 def ARMsrl_flag : SDNode<"ARMISD::SRL_FLAG", SDTIntUnaryOp, [SDNPOutGlue]>;
151 def ARMsra_flag : SDNode<"ARMISD::SRA_FLAG", SDTIntUnaryOp, [SDNPOutGlue]>;
152 def ARMrrx : SDNode<"ARMISD::RRX" , SDTIntUnaryOp, [SDNPInGlue ]>;
154 def ARMaddc : SDNode<"ARMISD::ADDC", SDTBinaryArithWithFlags,
156 def ARMsubc : SDNode<"ARMISD::SUBC", SDTBinaryArithWithFlags>;
157 def ARMadde : SDNode<"ARMISD::ADDE", SDTBinaryArithWithFlagsInOut>;
158 def ARMsube : SDNode<"ARMISD::SUBE", SDTBinaryArithWithFlagsInOut>;
160 def ARMthread_pointer: SDNode<"ARMISD::THREAD_POINTER", SDT_ARMThreadPointer>;
161 def ARMeh_sjlj_setjmp: SDNode<"ARMISD::EH_SJLJ_SETJMP",
162 SDT_ARMEH_SJLJ_Setjmp,
163 [SDNPHasChain, SDNPSideEffect]>;
164 def ARMeh_sjlj_longjmp: SDNode<"ARMISD::EH_SJLJ_LONGJMP",
165 SDT_ARMEH_SJLJ_Longjmp,
166 [SDNPHasChain, SDNPSideEffect]>;
168 def ARMMemBarrierMCR : SDNode<"ARMISD::MEMBARRIER_MCR", SDT_ARMMEMBARRIER,
169 [SDNPHasChain, SDNPSideEffect]>;
170 def ARMPreload : SDNode<"ARMISD::PRELOAD", SDT_ARMPREFETCH,
171 [SDNPHasChain, SDNPMayLoad, SDNPMayStore]>;
173 def ARMrbit : SDNode<"ARMISD::RBIT", SDTIntUnaryOp>;
175 def ARMtcret : SDNode<"ARMISD::TC_RETURN", SDT_ARMTCRET,
176 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
178 def ARMbfi : SDNode<"ARMISD::BFI", SDT_ARMBFI>;
180 def ARMvmaxnm : SDNode<"ARMISD::VMAXNM", SDT_ARMVMAXNM, []>;
181 def ARMvminnm : SDNode<"ARMISD::VMINNM", SDT_ARMVMINNM, []>;
183 //===----------------------------------------------------------------------===//
184 // ARM Instruction Predicate Definitions.
186 def HasV4T : Predicate<"Subtarget->hasV4TOps()">,
187 AssemblerPredicate<"HasV4TOps", "armv4t">;
188 def NoV4T : Predicate<"!Subtarget->hasV4TOps()">;
189 def HasV5T : Predicate<"Subtarget->hasV5TOps()">,
190 AssemblerPredicate<"HasV5TOps", "armv5t">;
191 def HasV5TE : Predicate<"Subtarget->hasV5TEOps()">,
192 AssemblerPredicate<"HasV5TEOps", "armv5te">;
193 def HasV6 : Predicate<"Subtarget->hasV6Ops()">,
194 AssemblerPredicate<"HasV6Ops", "armv6">;
195 def NoV6 : Predicate<"!Subtarget->hasV6Ops()">;
196 def HasV6M : Predicate<"Subtarget->hasV6MOps()">,
197 AssemblerPredicate<"HasV6MOps",
198 "armv6m or armv6t2">;
199 def HasV6T2 : Predicate<"Subtarget->hasV6T2Ops()">,
200 AssemblerPredicate<"HasV6T2Ops", "armv6t2">;
201 def NoV6T2 : Predicate<"!Subtarget->hasV6T2Ops()">;
202 def HasV7 : Predicate<"Subtarget->hasV7Ops()">,
203 AssemblerPredicate<"HasV7Ops", "armv7">;
204 def HasV8 : Predicate<"Subtarget->hasV8Ops()">,
205 AssemblerPredicate<"HasV8Ops", "armv8">;
206 def PreV8 : Predicate<"!Subtarget->hasV8Ops()">,
207 AssemblerPredicate<"!HasV8Ops", "armv7 or earlier">;
208 def NoVFP : Predicate<"!Subtarget->hasVFP2()">;
209 def HasVFP2 : Predicate<"Subtarget->hasVFP2()">,
210 AssemblerPredicate<"FeatureVFP2", "VFP2">;
211 def HasVFP3 : Predicate<"Subtarget->hasVFP3()">,
212 AssemblerPredicate<"FeatureVFP3", "VFP3">;
213 def HasVFP4 : Predicate<"Subtarget->hasVFP4()">,
214 AssemblerPredicate<"FeatureVFP4", "VFP4">;
215 def HasDPVFP : Predicate<"!Subtarget->isFPOnlySP()">,
216 AssemblerPredicate<"!FeatureVFPOnlySP",
217 "double precision VFP">;
218 def HasFPARMv8 : Predicate<"Subtarget->hasFPARMv8()">,
219 AssemblerPredicate<"FeatureFPARMv8", "FPARMv8">;
220 def HasNEON : Predicate<"Subtarget->hasNEON()">,
221 AssemblerPredicate<"FeatureNEON", "NEON">;
222 def HasCrypto : Predicate<"Subtarget->hasCrypto()">,
223 AssemblerPredicate<"FeatureCrypto", "crypto">;
224 def HasCRC : Predicate<"Subtarget->hasCRC()">,
225 AssemblerPredicate<"FeatureCRC", "crc">;
226 def HasFP16 : Predicate<"Subtarget->hasFP16()">,
227 AssemblerPredicate<"FeatureFP16","half-float">;
228 def HasDivide : Predicate<"Subtarget->hasDivide()">,
229 AssemblerPredicate<"FeatureHWDiv", "divide in THUMB">;
230 def HasDivideInARM : Predicate<"Subtarget->hasDivideInARMMode()">,
231 AssemblerPredicate<"FeatureHWDivARM", "divide in ARM">;
232 def HasT2ExtractPack : Predicate<"Subtarget->hasT2ExtractPack()">,
233 AssemblerPredicate<"FeatureT2XtPk",
235 def HasThumb2DSP : Predicate<"Subtarget->hasThumb2DSP()">,
236 AssemblerPredicate<"FeatureDSPThumb2",
238 def HasDB : Predicate<"Subtarget->hasDataBarrier()">,
239 AssemblerPredicate<"FeatureDB",
241 def HasMP : Predicate<"Subtarget->hasMPExtension()">,
242 AssemblerPredicate<"FeatureMP",
244 def HasTrustZone : Predicate<"Subtarget->hasTrustZone()">,
245 AssemblerPredicate<"FeatureTrustZone",
247 def HasZCZ : Predicate<"Subtarget->hasZeroCycleZeroing()">;
248 def UseNEONForFP : Predicate<"Subtarget->useNEONForSinglePrecisionFP()">;
249 def DontUseNEONForFP : Predicate<"!Subtarget->useNEONForSinglePrecisionFP()">;
250 def IsThumb : Predicate<"Subtarget->isThumb()">,
251 AssemblerPredicate<"ModeThumb", "thumb">;
252 def IsThumb1Only : Predicate<"Subtarget->isThumb1Only()">;
253 def IsThumb2 : Predicate<"Subtarget->isThumb2()">,
254 AssemblerPredicate<"ModeThumb,FeatureThumb2",
256 def IsMClass : Predicate<"Subtarget->isMClass()">,
257 AssemblerPredicate<"FeatureMClass", "armv*m">;
258 def IsNotMClass : Predicate<"!Subtarget->isMClass()">,
259 AssemblerPredicate<"!FeatureMClass",
261 def IsARM : Predicate<"!Subtarget->isThumb()">,
262 AssemblerPredicate<"!ModeThumb", "arm-mode">;
263 def IsIOS : Predicate<"Subtarget->isTargetIOS()">;
264 def IsNotIOS : Predicate<"!Subtarget->isTargetIOS()">;
265 def IsMachO : Predicate<"Subtarget->isTargetMachO()">;
266 def IsNotMachO : Predicate<"!Subtarget->isTargetMachO()">;
267 def IsNaCl : Predicate<"Subtarget->isTargetNaCl()">;
268 def UseNaClTrap : Predicate<"Subtarget->useNaClTrap()">,
269 AssemblerPredicate<"FeatureNaClTrap", "NaCl">;
270 def DontUseNaClTrap : Predicate<"!Subtarget->useNaClTrap()">;
272 // FIXME: Eventually this will be just "hasV6T2Ops".
273 def UseMovt : Predicate<"Subtarget->useMovt(*MF)">;
274 def DontUseMovt : Predicate<"!Subtarget->useMovt(*MF)">;
275 def UseFPVMLx : Predicate<"Subtarget->useFPVMLx()">;
276 def UseMulOps : Predicate<"Subtarget->useMulOps()">;
278 // Prefer fused MAC for fp mul + add over fp VMLA / VMLS if they are available.
279 // But only select them if more precision in FP computation is allowed.
280 // Do not use them for Darwin platforms.
281 def UseFusedMAC : Predicate<"(TM.Options.AllowFPOpFusion =="
282 " FPOpFusion::Fast && "
283 " Subtarget->hasVFP4()) && "
284 "!Subtarget->isTargetDarwin()">;
285 def DontUseFusedMAC : Predicate<"!(TM.Options.AllowFPOpFusion =="
286 " FPOpFusion::Fast &&"
287 " Subtarget->hasVFP4()) || "
288 "Subtarget->isTargetDarwin()">;
290 // VGETLNi32 is microcoded on Swift - prefer VMOV.
291 def HasFastVGETLNi32 : Predicate<"!Subtarget->isSwift()">;
292 def HasSlowVGETLNi32 : Predicate<"Subtarget->isSwift()">;
294 // VDUP.32 is microcoded on Swift - prefer VMOV.
295 def HasFastVDUP32 : Predicate<"!Subtarget->isSwift()">;
296 def HasSlowVDUP32 : Predicate<"Subtarget->isSwift()">;
298 // Cortex-A9 prefers VMOVSR to VMOVDRR even when using NEON for scalar FP, as
299 // this allows more effective execution domain optimization. See
300 // setExecutionDomain().
301 def UseVMOVSR : Predicate<"Subtarget->isCortexA9() || !Subtarget->useNEONForSinglePrecisionFP()">;
302 def DontUseVMOVSR : Predicate<"!Subtarget->isCortexA9() && Subtarget->useNEONForSinglePrecisionFP()">;
304 def IsLE : Predicate<"getTargetLowering()->isLittleEndian()">;
305 def IsBE : Predicate<"getTargetLowering()->isBigEndian()">;
307 //===----------------------------------------------------------------------===//
308 // ARM Flag Definitions.
310 class RegConstraint<string C> {
311 string Constraints = C;
314 //===----------------------------------------------------------------------===//
315 // ARM specific transformation functions and pattern fragments.
318 // imm_neg_XFORM - Return the negation of an i32 immediate value.
319 def imm_neg_XFORM : SDNodeXForm<imm, [{
320 return CurDAG->getTargetConstant(-(int)N->getZExtValue(), MVT::i32);
323 // imm_not_XFORM - Return the complement of a i32 immediate value.
324 def imm_not_XFORM : SDNodeXForm<imm, [{
325 return CurDAG->getTargetConstant(~(int)N->getZExtValue(), MVT::i32);
328 /// imm16_31 predicate - True if the 32-bit immediate is in the range [16,31].
329 def imm16_31 : ImmLeaf<i32, [{
330 return (int32_t)Imm >= 16 && (int32_t)Imm < 32;
333 def so_imm_neg_asmoperand : AsmOperandClass { let Name = "ARMSOImmNeg"; }
334 def so_imm_neg : Operand<i32>, PatLeaf<(imm), [{
335 unsigned Value = -(unsigned)N->getZExtValue();
336 return Value && ARM_AM::getSOImmVal(Value) != -1;
338 let ParserMatchClass = so_imm_neg_asmoperand;
341 // Note: this pattern doesn't require an encoder method and such, as it's
342 // only used on aliases (Pat<> and InstAlias<>). The actual encoding
343 // is handled by the destination instructions, which use so_imm.
344 def so_imm_not_asmoperand : AsmOperandClass { let Name = "ARMSOImmNot"; }
345 def so_imm_not : Operand<i32>, PatLeaf<(imm), [{
346 return ARM_AM::getSOImmVal(~(uint32_t)N->getZExtValue()) != -1;
348 let ParserMatchClass = so_imm_not_asmoperand;
351 // sext_16_node predicate - True if the SDNode is sign-extended 16 or more bits.
352 def sext_16_node : PatLeaf<(i32 GPR:$a), [{
353 return CurDAG->ComputeNumSignBits(SDValue(N,0)) >= 17;
356 /// Split a 32-bit immediate into two 16 bit parts.
357 def hi16 : SDNodeXForm<imm, [{
358 return CurDAG->getTargetConstant((uint32_t)N->getZExtValue() >> 16, MVT::i32);
361 def lo16AllZero : PatLeaf<(i32 imm), [{
362 // Returns true if all low 16-bits are 0.
363 return (((uint32_t)N->getZExtValue()) & 0xFFFFUL) == 0;
366 class BinOpWithFlagFrag<dag res> :
367 PatFrag<(ops node:$LHS, node:$RHS, node:$FLAG), res>;
368 class BinOpFrag<dag res> : PatFrag<(ops node:$LHS, node:$RHS), res>;
369 class UnOpFrag <dag res> : PatFrag<(ops node:$Src), res>;
371 // An 'and' node with a single use.
372 def and_su : PatFrag<(ops node:$lhs, node:$rhs), (and node:$lhs, node:$rhs), [{
373 return N->hasOneUse();
376 // An 'xor' node with a single use.
377 def xor_su : PatFrag<(ops node:$lhs, node:$rhs), (xor node:$lhs, node:$rhs), [{
378 return N->hasOneUse();
381 // An 'fmul' node with a single use.
382 def fmul_su : PatFrag<(ops node:$lhs, node:$rhs), (fmul node:$lhs, node:$rhs),[{
383 return N->hasOneUse();
386 // An 'fadd' node which checks for single non-hazardous use.
387 def fadd_mlx : PatFrag<(ops node:$lhs, node:$rhs),(fadd node:$lhs, node:$rhs),[{
388 return hasNoVMLxHazardUse(N);
391 // An 'fsub' node which checks for single non-hazardous use.
392 def fsub_mlx : PatFrag<(ops node:$lhs, node:$rhs),(fsub node:$lhs, node:$rhs),[{
393 return hasNoVMLxHazardUse(N);
396 //===----------------------------------------------------------------------===//
397 // Operand Definitions.
400 // Immediate operands with a shared generic asm render method.
401 class ImmAsmOperand : AsmOperandClass { let RenderMethod = "addImmOperands"; }
404 // FIXME: rename brtarget to t2_brtarget
405 def brtarget : Operand<OtherVT> {
406 let EncoderMethod = "getBranchTargetOpValue";
407 let OperandType = "OPERAND_PCREL";
408 let DecoderMethod = "DecodeT2BROperand";
411 // FIXME: get rid of this one?
412 def uncondbrtarget : Operand<OtherVT> {
413 let EncoderMethod = "getUnconditionalBranchTargetOpValue";
414 let OperandType = "OPERAND_PCREL";
417 // Branch target for ARM. Handles conditional/unconditional
418 def br_target : Operand<OtherVT> {
419 let EncoderMethod = "getARMBranchTargetOpValue";
420 let OperandType = "OPERAND_PCREL";
424 // FIXME: rename bltarget to t2_bl_target?
425 def bltarget : Operand<i32> {
426 // Encoded the same as branch targets.
427 let EncoderMethod = "getBranchTargetOpValue";
428 let OperandType = "OPERAND_PCREL";
431 // Call target for ARM. Handles conditional/unconditional
432 // FIXME: rename bl_target to t2_bltarget?
433 def bl_target : Operand<i32> {
434 let EncoderMethod = "getARMBLTargetOpValue";
435 let OperandType = "OPERAND_PCREL";
438 def blx_target : Operand<i32> {
439 let EncoderMethod = "getARMBLXTargetOpValue";
440 let OperandType = "OPERAND_PCREL";
443 // A list of registers separated by comma. Used by load/store multiple.
444 def RegListAsmOperand : AsmOperandClass { let Name = "RegList"; }
445 def reglist : Operand<i32> {
446 let EncoderMethod = "getRegisterListOpValue";
447 let ParserMatchClass = RegListAsmOperand;
448 let PrintMethod = "printRegisterList";
449 let DecoderMethod = "DecodeRegListOperand";
452 def GPRPairOp : RegisterOperand<GPRPair, "printGPRPairOperand">;
454 def DPRRegListAsmOperand : AsmOperandClass { let Name = "DPRRegList"; }
455 def dpr_reglist : Operand<i32> {
456 let EncoderMethod = "getRegisterListOpValue";
457 let ParserMatchClass = DPRRegListAsmOperand;
458 let PrintMethod = "printRegisterList";
459 let DecoderMethod = "DecodeDPRRegListOperand";
462 def SPRRegListAsmOperand : AsmOperandClass { let Name = "SPRRegList"; }
463 def spr_reglist : Operand<i32> {
464 let EncoderMethod = "getRegisterListOpValue";
465 let ParserMatchClass = SPRRegListAsmOperand;
466 let PrintMethod = "printRegisterList";
467 let DecoderMethod = "DecodeSPRRegListOperand";
470 // An operand for the CONSTPOOL_ENTRY pseudo-instruction.
471 def cpinst_operand : Operand<i32> {
472 let PrintMethod = "printCPInstOperand";
476 def pclabel : Operand<i32> {
477 let PrintMethod = "printPCLabel";
480 // ADR instruction labels.
481 def AdrLabelAsmOperand : AsmOperandClass { let Name = "AdrLabel"; }
482 def adrlabel : Operand<i32> {
483 let EncoderMethod = "getAdrLabelOpValue";
484 let ParserMatchClass = AdrLabelAsmOperand;
485 let PrintMethod = "printAdrLabelOperand<0>";
488 def neon_vcvt_imm32 : Operand<i32> {
489 let EncoderMethod = "getNEONVcvtImm32OpValue";
490 let DecoderMethod = "DecodeVCVTImmOperand";
493 // rot_imm: An integer that encodes a rotate amount. Must be 8, 16, or 24.
494 def rot_imm_XFORM: SDNodeXForm<imm, [{
495 switch (N->getZExtValue()){
496 default: llvm_unreachable(nullptr);
497 case 0: return CurDAG->getTargetConstant(0, MVT::i32);
498 case 8: return CurDAG->getTargetConstant(1, MVT::i32);
499 case 16: return CurDAG->getTargetConstant(2, MVT::i32);
500 case 24: return CurDAG->getTargetConstant(3, MVT::i32);
503 def RotImmAsmOperand : AsmOperandClass {
505 let ParserMethod = "parseRotImm";
507 def rot_imm : Operand<i32>, PatLeaf<(i32 imm), [{
508 int32_t v = N->getZExtValue();
509 return v == 8 || v == 16 || v == 24; }],
511 let PrintMethod = "printRotImmOperand";
512 let ParserMatchClass = RotImmAsmOperand;
515 // shift_imm: An integer that encodes a shift amount and the type of shift
516 // (asr or lsl). The 6-bit immediate encodes as:
519 // {4-0} imm5 shift amount.
520 // asr #32 encoded as imm5 == 0.
521 def ShifterImmAsmOperand : AsmOperandClass {
522 let Name = "ShifterImm";
523 let ParserMethod = "parseShifterImm";
525 def shift_imm : Operand<i32> {
526 let PrintMethod = "printShiftImmOperand";
527 let ParserMatchClass = ShifterImmAsmOperand;
530 // shifter_operand operands: so_reg_reg, so_reg_imm, and so_imm.
531 def ShiftedRegAsmOperand : AsmOperandClass { let Name = "RegShiftedReg"; }
532 def so_reg_reg : Operand<i32>, // reg reg imm
533 ComplexPattern<i32, 3, "SelectRegShifterOperand",
534 [shl, srl, sra, rotr]> {
535 let EncoderMethod = "getSORegRegOpValue";
536 let PrintMethod = "printSORegRegOperand";
537 let DecoderMethod = "DecodeSORegRegOperand";
538 let ParserMatchClass = ShiftedRegAsmOperand;
539 let MIOperandInfo = (ops GPRnopc, GPRnopc, i32imm);
542 def ShiftedImmAsmOperand : AsmOperandClass { let Name = "RegShiftedImm"; }
543 def so_reg_imm : Operand<i32>, // reg imm
544 ComplexPattern<i32, 2, "SelectImmShifterOperand",
545 [shl, srl, sra, rotr]> {
546 let EncoderMethod = "getSORegImmOpValue";
547 let PrintMethod = "printSORegImmOperand";
548 let DecoderMethod = "DecodeSORegImmOperand";
549 let ParserMatchClass = ShiftedImmAsmOperand;
550 let MIOperandInfo = (ops GPR, i32imm);
553 // FIXME: Does this need to be distinct from so_reg?
554 def shift_so_reg_reg : Operand<i32>, // reg reg imm
555 ComplexPattern<i32, 3, "SelectShiftRegShifterOperand",
556 [shl,srl,sra,rotr]> {
557 let EncoderMethod = "getSORegRegOpValue";
558 let PrintMethod = "printSORegRegOperand";
559 let DecoderMethod = "DecodeSORegRegOperand";
560 let ParserMatchClass = ShiftedRegAsmOperand;
561 let MIOperandInfo = (ops GPR, GPR, i32imm);
564 // FIXME: Does this need to be distinct from so_reg?
565 def shift_so_reg_imm : Operand<i32>, // reg reg imm
566 ComplexPattern<i32, 2, "SelectShiftImmShifterOperand",
567 [shl,srl,sra,rotr]> {
568 let EncoderMethod = "getSORegImmOpValue";
569 let PrintMethod = "printSORegImmOperand";
570 let DecoderMethod = "DecodeSORegImmOperand";
571 let ParserMatchClass = ShiftedImmAsmOperand;
572 let MIOperandInfo = (ops GPR, i32imm);
576 // so_imm - Match a 32-bit shifter_operand immediate operand, which is an
577 // 8-bit immediate rotated by an arbitrary number of bits.
578 def SOImmAsmOperand: ImmAsmOperand { let Name = "ARMSOImm"; }
579 def so_imm : Operand<i32>, ImmLeaf<i32, [{
580 return ARM_AM::getSOImmVal(Imm) != -1;
582 let EncoderMethod = "getSOImmOpValue";
583 let ParserMatchClass = SOImmAsmOperand;
584 let DecoderMethod = "DecodeSOImmOperand";
587 // Break so_imm's up into two pieces. This handles immediates with up to 16
588 // bits set in them. This uses so_imm2part to match and so_imm2part_[12] to
589 // get the first/second pieces.
590 def so_imm2part : PatLeaf<(imm), [{
591 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
594 /// arm_i32imm - True for +V6T2, or true only if so_imm2part is true.
596 def arm_i32imm : PatLeaf<(imm), [{
597 if (Subtarget->useMovt(*MF))
599 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
602 /// imm0_1 predicate - Immediate in the range [0,1].
603 def Imm0_1AsmOperand: ImmAsmOperand { let Name = "Imm0_1"; }
604 def imm0_1 : Operand<i32> { let ParserMatchClass = Imm0_1AsmOperand; }
606 /// imm0_3 predicate - Immediate in the range [0,3].
607 def Imm0_3AsmOperand: ImmAsmOperand { let Name = "Imm0_3"; }
608 def imm0_3 : Operand<i32> { let ParserMatchClass = Imm0_3AsmOperand; }
610 /// imm0_7 predicate - Immediate in the range [0,7].
611 def Imm0_7AsmOperand: ImmAsmOperand { let Name = "Imm0_7"; }
612 def imm0_7 : Operand<i32>, ImmLeaf<i32, [{
613 return Imm >= 0 && Imm < 8;
615 let ParserMatchClass = Imm0_7AsmOperand;
618 /// imm8 predicate - Immediate is exactly 8.
619 def Imm8AsmOperand: ImmAsmOperand { let Name = "Imm8"; }
620 def imm8 : Operand<i32>, ImmLeaf<i32, [{ return Imm == 8; }]> {
621 let ParserMatchClass = Imm8AsmOperand;
624 /// imm16 predicate - Immediate is exactly 16.
625 def Imm16AsmOperand: ImmAsmOperand { let Name = "Imm16"; }
626 def imm16 : Operand<i32>, ImmLeaf<i32, [{ return Imm == 16; }]> {
627 let ParserMatchClass = Imm16AsmOperand;
630 /// imm32 predicate - Immediate is exactly 32.
631 def Imm32AsmOperand: ImmAsmOperand { let Name = "Imm32"; }
632 def imm32 : Operand<i32>, ImmLeaf<i32, [{ return Imm == 32; }]> {
633 let ParserMatchClass = Imm32AsmOperand;
636 /// imm1_7 predicate - Immediate in the range [1,7].
637 def Imm1_7AsmOperand: ImmAsmOperand { let Name = "Imm1_7"; }
638 def imm1_7 : Operand<i32>, ImmLeaf<i32, [{ return Imm > 0 && Imm < 8; }]> {
639 let ParserMatchClass = Imm1_7AsmOperand;
642 /// imm1_15 predicate - Immediate in the range [1,15].
643 def Imm1_15AsmOperand: ImmAsmOperand { let Name = "Imm1_15"; }
644 def imm1_15 : Operand<i32>, ImmLeaf<i32, [{ return Imm > 0 && Imm < 16; }]> {
645 let ParserMatchClass = Imm1_15AsmOperand;
648 /// imm1_31 predicate - Immediate in the range [1,31].
649 def Imm1_31AsmOperand: ImmAsmOperand { let Name = "Imm1_31"; }
650 def imm1_31 : Operand<i32>, ImmLeaf<i32, [{ return Imm > 0 && Imm < 32; }]> {
651 let ParserMatchClass = Imm1_31AsmOperand;
654 /// imm0_15 predicate - Immediate in the range [0,15].
655 def Imm0_15AsmOperand: ImmAsmOperand {
656 let Name = "Imm0_15";
657 let DiagnosticType = "ImmRange0_15";
659 def imm0_15 : Operand<i32>, ImmLeaf<i32, [{
660 return Imm >= 0 && Imm < 16;
662 let ParserMatchClass = Imm0_15AsmOperand;
665 /// imm0_31 predicate - True if the 32-bit immediate is in the range [0,31].
666 def Imm0_31AsmOperand: ImmAsmOperand { let Name = "Imm0_31"; }
667 def imm0_31 : Operand<i32>, ImmLeaf<i32, [{
668 return Imm >= 0 && Imm < 32;
670 let ParserMatchClass = Imm0_31AsmOperand;
673 /// imm0_32 predicate - True if the 32-bit immediate is in the range [0,32].
674 def Imm0_32AsmOperand: ImmAsmOperand { let Name = "Imm0_32"; }
675 def imm0_32 : Operand<i32>, ImmLeaf<i32, [{
676 return Imm >= 0 && Imm < 32;
678 let ParserMatchClass = Imm0_32AsmOperand;
681 /// imm0_63 predicate - True if the 32-bit immediate is in the range [0,63].
682 def Imm0_63AsmOperand: ImmAsmOperand { let Name = "Imm0_63"; }
683 def imm0_63 : Operand<i32>, ImmLeaf<i32, [{
684 return Imm >= 0 && Imm < 64;
686 let ParserMatchClass = Imm0_63AsmOperand;
689 /// imm0_239 predicate - Immediate in the range [0,239].
690 def Imm0_239AsmOperand : ImmAsmOperand {
691 let Name = "Imm0_239";
692 let DiagnosticType = "ImmRange0_239";
694 def imm0_239 : Operand<i32>, ImmLeaf<i32, [{ return Imm >= 0 && Imm < 240; }]> {
695 let ParserMatchClass = Imm0_239AsmOperand;
698 /// imm0_255 predicate - Immediate in the range [0,255].
699 def Imm0_255AsmOperand : ImmAsmOperand { let Name = "Imm0_255"; }
700 def imm0_255 : Operand<i32>, ImmLeaf<i32, [{ return Imm >= 0 && Imm < 256; }]> {
701 let ParserMatchClass = Imm0_255AsmOperand;
704 /// imm0_65535 - An immediate is in the range [0.65535].
705 def Imm0_65535AsmOperand: ImmAsmOperand { let Name = "Imm0_65535"; }
706 def imm0_65535 : Operand<i32>, ImmLeaf<i32, [{
707 return Imm >= 0 && Imm < 65536;
709 let ParserMatchClass = Imm0_65535AsmOperand;
712 // imm0_65535_neg - An immediate whose negative value is in the range [0.65535].
713 def imm0_65535_neg : Operand<i32>, ImmLeaf<i32, [{
714 return -Imm >= 0 && -Imm < 65536;
717 // imm0_65535_expr - For movt/movw - 16-bit immediate that can also reference
718 // a relocatable expression.
720 // FIXME: This really needs a Thumb version separate from the ARM version.
721 // While the range is the same, and can thus use the same match class,
722 // the encoding is different so it should have a different encoder method.
723 def Imm0_65535ExprAsmOperand: ImmAsmOperand { let Name = "Imm0_65535Expr"; }
724 def imm0_65535_expr : Operand<i32> {
725 let EncoderMethod = "getHiLo16ImmOpValue";
726 let ParserMatchClass = Imm0_65535ExprAsmOperand;
729 def Imm256_65535ExprAsmOperand: ImmAsmOperand { let Name = "Imm256_65535Expr"; }
730 def imm256_65535_expr : Operand<i32> {
731 let ParserMatchClass = Imm256_65535ExprAsmOperand;
734 /// imm24b - True if the 32-bit immediate is encodable in 24 bits.
735 def Imm24bitAsmOperand: ImmAsmOperand { let Name = "Imm24bit"; }
736 def imm24b : Operand<i32>, ImmLeaf<i32, [{
737 return Imm >= 0 && Imm <= 0xffffff;
739 let ParserMatchClass = Imm24bitAsmOperand;
743 /// bf_inv_mask_imm predicate - An AND mask to clear an arbitrary width bitfield
745 def BitfieldAsmOperand : AsmOperandClass {
746 let Name = "Bitfield";
747 let ParserMethod = "parseBitfield";
750 def bf_inv_mask_imm : Operand<i32>,
752 return ARM::isBitFieldInvertedMask(N->getZExtValue());
754 let EncoderMethod = "getBitfieldInvertedMaskOpValue";
755 let PrintMethod = "printBitfieldInvMaskImmOperand";
756 let DecoderMethod = "DecodeBitfieldMaskOperand";
757 let ParserMatchClass = BitfieldAsmOperand;
760 def imm1_32_XFORM: SDNodeXForm<imm, [{
761 return CurDAG->getTargetConstant((int)N->getZExtValue() - 1, MVT::i32);
763 def Imm1_32AsmOperand: AsmOperandClass { let Name = "Imm1_32"; }
764 def imm1_32 : Operand<i32>, PatLeaf<(imm), [{
765 uint64_t Imm = N->getZExtValue();
766 return Imm > 0 && Imm <= 32;
769 let PrintMethod = "printImmPlusOneOperand";
770 let ParserMatchClass = Imm1_32AsmOperand;
773 def imm1_16_XFORM: SDNodeXForm<imm, [{
774 return CurDAG->getTargetConstant((int)N->getZExtValue() - 1, MVT::i32);
776 def Imm1_16AsmOperand: AsmOperandClass { let Name = "Imm1_16"; }
777 def imm1_16 : Operand<i32>, PatLeaf<(imm), [{ return Imm > 0 && Imm <= 16; }],
779 let PrintMethod = "printImmPlusOneOperand";
780 let ParserMatchClass = Imm1_16AsmOperand;
783 // Define ARM specific addressing modes.
784 // addrmode_imm12 := reg +/- imm12
786 def MemImm12OffsetAsmOperand : AsmOperandClass { let Name = "MemImm12Offset"; }
787 class AddrMode_Imm12 : Operand<i32>,
788 ComplexPattern<i32, 2, "SelectAddrModeImm12", []> {
789 // 12-bit immediate operand. Note that instructions using this encode
790 // #0 and #-0 differently. We flag #-0 as the magic value INT32_MIN. All other
791 // immediate values are as normal.
793 let EncoderMethod = "getAddrModeImm12OpValue";
794 let DecoderMethod = "DecodeAddrModeImm12Operand";
795 let ParserMatchClass = MemImm12OffsetAsmOperand;
796 let MIOperandInfo = (ops GPR:$base, i32imm:$offsimm);
799 def addrmode_imm12 : AddrMode_Imm12 {
800 let PrintMethod = "printAddrModeImm12Operand<false>";
803 def addrmode_imm12_pre : AddrMode_Imm12 {
804 let PrintMethod = "printAddrModeImm12Operand<true>";
807 // ldst_so_reg := reg +/- reg shop imm
809 def MemRegOffsetAsmOperand : AsmOperandClass { let Name = "MemRegOffset"; }
810 def ldst_so_reg : Operand<i32>,
811 ComplexPattern<i32, 3, "SelectLdStSOReg", []> {
812 let EncoderMethod = "getLdStSORegOpValue";
813 // FIXME: Simplify the printer
814 let PrintMethod = "printAddrMode2Operand";
815 let DecoderMethod = "DecodeSORegMemOperand";
816 let ParserMatchClass = MemRegOffsetAsmOperand;
817 let MIOperandInfo = (ops GPR:$base, GPRnopc:$offsreg, i32imm:$shift);
820 // postidx_imm8 := +/- [0,255]
823 // {8} 1 is imm8 is non-negative. 0 otherwise.
824 // {7-0} [0,255] imm8 value.
825 def PostIdxImm8AsmOperand : AsmOperandClass { let Name = "PostIdxImm8"; }
826 def postidx_imm8 : Operand<i32> {
827 let PrintMethod = "printPostIdxImm8Operand";
828 let ParserMatchClass = PostIdxImm8AsmOperand;
829 let MIOperandInfo = (ops i32imm);
832 // postidx_imm8s4 := +/- [0,1020]
835 // {8} 1 is imm8 is non-negative. 0 otherwise.
836 // {7-0} [0,255] imm8 value, scaled by 4.
837 def PostIdxImm8s4AsmOperand : AsmOperandClass { let Name = "PostIdxImm8s4"; }
838 def postidx_imm8s4 : Operand<i32> {
839 let PrintMethod = "printPostIdxImm8s4Operand";
840 let ParserMatchClass = PostIdxImm8s4AsmOperand;
841 let MIOperandInfo = (ops i32imm);
845 // postidx_reg := +/- reg
847 def PostIdxRegAsmOperand : AsmOperandClass {
848 let Name = "PostIdxReg";
849 let ParserMethod = "parsePostIdxReg";
851 def postidx_reg : Operand<i32> {
852 let EncoderMethod = "getPostIdxRegOpValue";
853 let DecoderMethod = "DecodePostIdxReg";
854 let PrintMethod = "printPostIdxRegOperand";
855 let ParserMatchClass = PostIdxRegAsmOperand;
856 let MIOperandInfo = (ops GPRnopc, i32imm);
860 // addrmode2 := reg +/- imm12
861 // := reg +/- reg shop imm
863 // FIXME: addrmode2 should be refactored the rest of the way to always
864 // use explicit imm vs. reg versions above (addrmode_imm12 and ldst_so_reg).
865 def AddrMode2AsmOperand : AsmOperandClass { let Name = "AddrMode2"; }
866 def addrmode2 : Operand<i32>,
867 ComplexPattern<i32, 3, "SelectAddrMode2", []> {
868 let EncoderMethod = "getAddrMode2OpValue";
869 let PrintMethod = "printAddrMode2Operand";
870 let ParserMatchClass = AddrMode2AsmOperand;
871 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
874 def PostIdxRegShiftedAsmOperand : AsmOperandClass {
875 let Name = "PostIdxRegShifted";
876 let ParserMethod = "parsePostIdxReg";
878 def am2offset_reg : Operand<i32>,
879 ComplexPattern<i32, 2, "SelectAddrMode2OffsetReg",
880 [], [SDNPWantRoot]> {
881 let EncoderMethod = "getAddrMode2OffsetOpValue";
882 let PrintMethod = "printAddrMode2OffsetOperand";
883 // When using this for assembly, it's always as a post-index offset.
884 let ParserMatchClass = PostIdxRegShiftedAsmOperand;
885 let MIOperandInfo = (ops GPRnopc, i32imm);
888 // FIXME: am2offset_imm should only need the immediate, not the GPR. Having
889 // the GPR is purely vestigal at this point.
890 def AM2OffsetImmAsmOperand : AsmOperandClass { let Name = "AM2OffsetImm"; }
891 def am2offset_imm : Operand<i32>,
892 ComplexPattern<i32, 2, "SelectAddrMode2OffsetImm",
893 [], [SDNPWantRoot]> {
894 let EncoderMethod = "getAddrMode2OffsetOpValue";
895 let PrintMethod = "printAddrMode2OffsetOperand";
896 let ParserMatchClass = AM2OffsetImmAsmOperand;
897 let MIOperandInfo = (ops GPRnopc, i32imm);
901 // addrmode3 := reg +/- reg
902 // addrmode3 := reg +/- imm8
904 // FIXME: split into imm vs. reg versions.
905 def AddrMode3AsmOperand : AsmOperandClass { let Name = "AddrMode3"; }
906 class AddrMode3 : Operand<i32>,
907 ComplexPattern<i32, 3, "SelectAddrMode3", []> {
908 let EncoderMethod = "getAddrMode3OpValue";
909 let ParserMatchClass = AddrMode3AsmOperand;
910 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
913 def addrmode3 : AddrMode3
915 let PrintMethod = "printAddrMode3Operand<false>";
918 def addrmode3_pre : AddrMode3
920 let PrintMethod = "printAddrMode3Operand<true>";
923 // FIXME: split into imm vs. reg versions.
924 // FIXME: parser method to handle +/- register.
925 def AM3OffsetAsmOperand : AsmOperandClass {
926 let Name = "AM3Offset";
927 let ParserMethod = "parseAM3Offset";
929 def am3offset : Operand<i32>,
930 ComplexPattern<i32, 2, "SelectAddrMode3Offset",
931 [], [SDNPWantRoot]> {
932 let EncoderMethod = "getAddrMode3OffsetOpValue";
933 let PrintMethod = "printAddrMode3OffsetOperand";
934 let ParserMatchClass = AM3OffsetAsmOperand;
935 let MIOperandInfo = (ops GPR, i32imm);
938 // ldstm_mode := {ia, ib, da, db}
940 def ldstm_mode : OptionalDefOperand<OtherVT, (ops i32), (ops (i32 1))> {
941 let EncoderMethod = "getLdStmModeOpValue";
942 let PrintMethod = "printLdStmModeOperand";
945 // addrmode5 := reg +/- imm8*4
947 def AddrMode5AsmOperand : AsmOperandClass { let Name = "AddrMode5"; }
948 class AddrMode5 : Operand<i32>,
949 ComplexPattern<i32, 2, "SelectAddrMode5", []> {
950 let EncoderMethod = "getAddrMode5OpValue";
951 let DecoderMethod = "DecodeAddrMode5Operand";
952 let ParserMatchClass = AddrMode5AsmOperand;
953 let MIOperandInfo = (ops GPR:$base, i32imm);
956 def addrmode5 : AddrMode5 {
957 let PrintMethod = "printAddrMode5Operand<false>";
960 def addrmode5_pre : AddrMode5 {
961 let PrintMethod = "printAddrMode5Operand<true>";
964 // addrmode6 := reg with optional alignment
966 def AddrMode6AsmOperand : AsmOperandClass { let Name = "AlignedMemory"; }
967 def addrmode6 : Operand<i32>,
968 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
969 let PrintMethod = "printAddrMode6Operand";
970 let MIOperandInfo = (ops GPR:$addr, i32imm:$align);
971 let EncoderMethod = "getAddrMode6AddressOpValue";
972 let DecoderMethod = "DecodeAddrMode6Operand";
973 let ParserMatchClass = AddrMode6AsmOperand;
976 def am6offset : Operand<i32>,
977 ComplexPattern<i32, 1, "SelectAddrMode6Offset",
978 [], [SDNPWantRoot]> {
979 let PrintMethod = "printAddrMode6OffsetOperand";
980 let MIOperandInfo = (ops GPR);
981 let EncoderMethod = "getAddrMode6OffsetOpValue";
982 let DecoderMethod = "DecodeGPRRegisterClass";
985 // Special version of addrmode6 to handle alignment encoding for VST1/VLD1
986 // (single element from one lane) for size 32.
987 def addrmode6oneL32 : Operand<i32>,
988 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
989 let PrintMethod = "printAddrMode6Operand";
990 let MIOperandInfo = (ops GPR:$addr, i32imm);
991 let EncoderMethod = "getAddrMode6OneLane32AddressOpValue";
994 // Base class for addrmode6 with specific alignment restrictions.
995 class AddrMode6Align : Operand<i32>,
996 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
997 let PrintMethod = "printAddrMode6Operand";
998 let MIOperandInfo = (ops GPR:$addr, i32imm:$align);
999 let EncoderMethod = "getAddrMode6AddressOpValue";
1000 let DecoderMethod = "DecodeAddrMode6Operand";
1003 // Special version of addrmode6 to handle no allowed alignment encoding for
1004 // VLD/VST instructions and checking the alignment is not specified.
1005 def AddrMode6AlignNoneAsmOperand : AsmOperandClass {
1006 let Name = "AlignedMemoryNone";
1007 let DiagnosticType = "AlignedMemoryRequiresNone";
1009 def addrmode6alignNone : AddrMode6Align {
1010 // The alignment specifier can only be omitted.
1011 let ParserMatchClass = AddrMode6AlignNoneAsmOperand;
1014 // Special version of addrmode6 to handle 16-bit alignment encoding for
1015 // VLD/VST instructions and checking the alignment value.
1016 def AddrMode6Align16AsmOperand : AsmOperandClass {
1017 let Name = "AlignedMemory16";
1018 let DiagnosticType = "AlignedMemoryRequires16";
1020 def addrmode6align16 : AddrMode6Align {
1021 // The alignment specifier can only be 16 or omitted.
1022 let ParserMatchClass = AddrMode6Align16AsmOperand;
1025 // Special version of addrmode6 to handle 32-bit alignment encoding for
1026 // VLD/VST instructions and checking the alignment value.
1027 def AddrMode6Align32AsmOperand : AsmOperandClass {
1028 let Name = "AlignedMemory32";
1029 let DiagnosticType = "AlignedMemoryRequires32";
1031 def addrmode6align32 : AddrMode6Align {
1032 // The alignment specifier can only be 32 or omitted.
1033 let ParserMatchClass = AddrMode6Align32AsmOperand;
1036 // Special version of addrmode6 to handle 64-bit alignment encoding for
1037 // VLD/VST instructions and checking the alignment value.
1038 def AddrMode6Align64AsmOperand : AsmOperandClass {
1039 let Name = "AlignedMemory64";
1040 let DiagnosticType = "AlignedMemoryRequires64";
1042 def addrmode6align64 : AddrMode6Align {
1043 // The alignment specifier can only be 64 or omitted.
1044 let ParserMatchClass = AddrMode6Align64AsmOperand;
1047 // Special version of addrmode6 to handle 64-bit or 128-bit alignment encoding
1048 // for VLD/VST instructions and checking the alignment value.
1049 def AddrMode6Align64or128AsmOperand : AsmOperandClass {
1050 let Name = "AlignedMemory64or128";
1051 let DiagnosticType = "AlignedMemoryRequires64or128";
1053 def addrmode6align64or128 : AddrMode6Align {
1054 // The alignment specifier can only be 64, 128 or omitted.
1055 let ParserMatchClass = AddrMode6Align64or128AsmOperand;
1058 // Special version of addrmode6 to handle 64-bit, 128-bit or 256-bit alignment
1059 // encoding for VLD/VST instructions and checking the alignment value.
1060 def AddrMode6Align64or128or256AsmOperand : AsmOperandClass {
1061 let Name = "AlignedMemory64or128or256";
1062 let DiagnosticType = "AlignedMemoryRequires64or128or256";
1064 def addrmode6align64or128or256 : AddrMode6Align {
1065 // The alignment specifier can only be 64, 128, 256 or omitted.
1066 let ParserMatchClass = AddrMode6Align64or128or256AsmOperand;
1069 // Special version of addrmode6 to handle alignment encoding for VLD-dup
1070 // instructions, specifically VLD4-dup.
1071 def addrmode6dup : Operand<i32>,
1072 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
1073 let PrintMethod = "printAddrMode6Operand";
1074 let MIOperandInfo = (ops GPR:$addr, i32imm);
1075 let EncoderMethod = "getAddrMode6DupAddressOpValue";
1076 // FIXME: This is close, but not quite right. The alignment specifier is
1078 let ParserMatchClass = AddrMode6AsmOperand;
1081 // Base class for addrmode6dup with specific alignment restrictions.
1082 class AddrMode6DupAlign : Operand<i32>,
1083 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
1084 let PrintMethod = "printAddrMode6Operand";
1085 let MIOperandInfo = (ops GPR:$addr, i32imm);
1086 let EncoderMethod = "getAddrMode6DupAddressOpValue";
1089 // Special version of addrmode6 to handle no allowed alignment encoding for
1090 // VLD-dup instruction and checking the alignment is not specified.
1091 def AddrMode6dupAlignNoneAsmOperand : AsmOperandClass {
1092 let Name = "DupAlignedMemoryNone";
1093 let DiagnosticType = "DupAlignedMemoryRequiresNone";
1095 def addrmode6dupalignNone : AddrMode6DupAlign {
1096 // The alignment specifier can only be omitted.
1097 let ParserMatchClass = AddrMode6dupAlignNoneAsmOperand;
1100 // Special version of addrmode6 to handle 16-bit alignment encoding for VLD-dup
1101 // instruction and checking the alignment value.
1102 def AddrMode6dupAlign16AsmOperand : AsmOperandClass {
1103 let Name = "DupAlignedMemory16";
1104 let DiagnosticType = "DupAlignedMemoryRequires16";
1106 def addrmode6dupalign16 : AddrMode6DupAlign {
1107 // The alignment specifier can only be 16 or omitted.
1108 let ParserMatchClass = AddrMode6dupAlign16AsmOperand;
1111 // Special version of addrmode6 to handle 32-bit alignment encoding for VLD-dup
1112 // instruction and checking the alignment value.
1113 def AddrMode6dupAlign32AsmOperand : AsmOperandClass {
1114 let Name = "DupAlignedMemory32";
1115 let DiagnosticType = "DupAlignedMemoryRequires32";
1117 def addrmode6dupalign32 : AddrMode6DupAlign {
1118 // The alignment specifier can only be 32 or omitted.
1119 let ParserMatchClass = AddrMode6dupAlign32AsmOperand;
1122 // Special version of addrmode6 to handle 64-bit alignment encoding for VLD
1123 // instructions and checking the alignment value.
1124 def AddrMode6dupAlign64AsmOperand : AsmOperandClass {
1125 let Name = "DupAlignedMemory64";
1126 let DiagnosticType = "DupAlignedMemoryRequires64";
1128 def addrmode6dupalign64 : AddrMode6DupAlign {
1129 // The alignment specifier can only be 64 or omitted.
1130 let ParserMatchClass = AddrMode6dupAlign64AsmOperand;
1133 // Special version of addrmode6 to handle 64-bit or 128-bit alignment encoding
1134 // for VLD instructions and checking the alignment value.
1135 def AddrMode6dupAlign64or128AsmOperand : AsmOperandClass {
1136 let Name = "DupAlignedMemory64or128";
1137 let DiagnosticType = "DupAlignedMemoryRequires64or128";
1139 def addrmode6dupalign64or128 : AddrMode6DupAlign {
1140 // The alignment specifier can only be 64, 128 or omitted.
1141 let ParserMatchClass = AddrMode6dupAlign64or128AsmOperand;
1144 // addrmodepc := pc + reg
1146 def addrmodepc : Operand<i32>,
1147 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
1148 let PrintMethod = "printAddrModePCOperand";
1149 let MIOperandInfo = (ops GPR, i32imm);
1152 // addr_offset_none := reg
1154 def MemNoOffsetAsmOperand : AsmOperandClass { let Name = "MemNoOffset"; }
1155 def addr_offset_none : Operand<i32>,
1156 ComplexPattern<i32, 1, "SelectAddrOffsetNone", []> {
1157 let PrintMethod = "printAddrMode7Operand";
1158 let DecoderMethod = "DecodeAddrMode7Operand";
1159 let ParserMatchClass = MemNoOffsetAsmOperand;
1160 let MIOperandInfo = (ops GPR:$base);
1163 def nohash_imm : Operand<i32> {
1164 let PrintMethod = "printNoHashImmediate";
1167 def CoprocNumAsmOperand : AsmOperandClass {
1168 let Name = "CoprocNum";
1169 let ParserMethod = "parseCoprocNumOperand";
1171 def p_imm : Operand<i32> {
1172 let PrintMethod = "printPImmediate";
1173 let ParserMatchClass = CoprocNumAsmOperand;
1174 let DecoderMethod = "DecodeCoprocessor";
1177 def CoprocRegAsmOperand : AsmOperandClass {
1178 let Name = "CoprocReg";
1179 let ParserMethod = "parseCoprocRegOperand";
1181 def c_imm : Operand<i32> {
1182 let PrintMethod = "printCImmediate";
1183 let ParserMatchClass = CoprocRegAsmOperand;
1185 def CoprocOptionAsmOperand : AsmOperandClass {
1186 let Name = "CoprocOption";
1187 let ParserMethod = "parseCoprocOptionOperand";
1189 def coproc_option_imm : Operand<i32> {
1190 let PrintMethod = "printCoprocOptionImm";
1191 let ParserMatchClass = CoprocOptionAsmOperand;
1194 //===----------------------------------------------------------------------===//
1196 include "ARMInstrFormats.td"
1198 //===----------------------------------------------------------------------===//
1199 // Multiclass helpers...
1202 /// AsI1_bin_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns for a
1203 /// binop that produces a value.
1204 let TwoOperandAliasConstraint = "$Rn = $Rd" in
1205 multiclass AsI1_bin_irs<bits<4> opcod, string opc,
1206 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
1207 PatFrag opnode, bit Commutable = 0> {
1208 // The register-immediate version is re-materializable. This is useful
1209 // in particular for taking the address of a local.
1210 let isReMaterializable = 1 in {
1211 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
1212 iii, opc, "\t$Rd, $Rn, $imm",
1213 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>,
1214 Sched<[WriteALU, ReadALU]> {
1219 let Inst{19-16} = Rn;
1220 let Inst{15-12} = Rd;
1221 let Inst{11-0} = imm;
1224 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
1225 iir, opc, "\t$Rd, $Rn, $Rm",
1226 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
1227 Sched<[WriteALU, ReadALU, ReadALU]> {
1232 let isCommutable = Commutable;
1233 let Inst{19-16} = Rn;
1234 let Inst{15-12} = Rd;
1235 let Inst{11-4} = 0b00000000;
1239 def rsi : AsI1<opcod, (outs GPR:$Rd),
1240 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm,
1241 iis, opc, "\t$Rd, $Rn, $shift",
1242 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_imm:$shift))]>,
1243 Sched<[WriteALUsi, ReadALU]> {
1248 let Inst{19-16} = Rn;
1249 let Inst{15-12} = Rd;
1250 let Inst{11-5} = shift{11-5};
1252 let Inst{3-0} = shift{3-0};
1255 def rsr : AsI1<opcod, (outs GPR:$Rd),
1256 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm,
1257 iis, opc, "\t$Rd, $Rn, $shift",
1258 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_reg:$shift))]>,
1259 Sched<[WriteALUsr, ReadALUsr]> {
1264 let Inst{19-16} = Rn;
1265 let Inst{15-12} = Rd;
1266 let Inst{11-8} = shift{11-8};
1268 let Inst{6-5} = shift{6-5};
1270 let Inst{3-0} = shift{3-0};
1274 /// AsI1_rbin_irs - Same as AsI1_bin_irs except the order of operands are
1275 /// reversed. The 'rr' form is only defined for the disassembler; for codegen
1276 /// it is equivalent to the AsI1_bin_irs counterpart.
1277 let TwoOperandAliasConstraint = "$Rn = $Rd" in
1278 multiclass AsI1_rbin_irs<bits<4> opcod, string opc,
1279 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
1280 PatFrag opnode, bit Commutable = 0> {
1281 // The register-immediate version is re-materializable. This is useful
1282 // in particular for taking the address of a local.
1283 let isReMaterializable = 1 in {
1284 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
1285 iii, opc, "\t$Rd, $Rn, $imm",
1286 [(set GPR:$Rd, (opnode so_imm:$imm, GPR:$Rn))]>,
1287 Sched<[WriteALU, ReadALU]> {
1292 let Inst{19-16} = Rn;
1293 let Inst{15-12} = Rd;
1294 let Inst{11-0} = imm;
1297 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
1298 iir, opc, "\t$Rd, $Rn, $Rm",
1299 [/* pattern left blank */]>,
1300 Sched<[WriteALU, ReadALU, ReadALU]> {
1304 let Inst{11-4} = 0b00000000;
1307 let Inst{15-12} = Rd;
1308 let Inst{19-16} = Rn;
1311 def rsi : AsI1<opcod, (outs GPR:$Rd),
1312 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm,
1313 iis, opc, "\t$Rd, $Rn, $shift",
1314 [(set GPR:$Rd, (opnode so_reg_imm:$shift, GPR:$Rn))]>,
1315 Sched<[WriteALUsi, ReadALU]> {
1320 let Inst{19-16} = Rn;
1321 let Inst{15-12} = Rd;
1322 let Inst{11-5} = shift{11-5};
1324 let Inst{3-0} = shift{3-0};
1327 def rsr : AsI1<opcod, (outs GPR:$Rd),
1328 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm,
1329 iis, opc, "\t$Rd, $Rn, $shift",
1330 [(set GPR:$Rd, (opnode so_reg_reg:$shift, GPR:$Rn))]>,
1331 Sched<[WriteALUsr, ReadALUsr]> {
1336 let Inst{19-16} = Rn;
1337 let Inst{15-12} = Rd;
1338 let Inst{11-8} = shift{11-8};
1340 let Inst{6-5} = shift{6-5};
1342 let Inst{3-0} = shift{3-0};
1346 /// AsI1_bin_s_irs - Same as AsI1_bin_irs except it sets the 's' bit by default.
1348 /// These opcodes will be converted to the real non-S opcodes by
1349 /// AdjustInstrPostInstrSelection after giving them an optional CPSR operand.
1350 let hasPostISelHook = 1, Defs = [CPSR] in {
1351 multiclass AsI1_bin_s_irs<InstrItinClass iii, InstrItinClass iir,
1352 InstrItinClass iis, PatFrag opnode,
1353 bit Commutable = 0> {
1354 def ri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm, pred:$p),
1356 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, so_imm:$imm))]>,
1357 Sched<[WriteALU, ReadALU]>;
1359 def rr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, pred:$p),
1361 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, GPR:$Rm))]>,
1362 Sched<[WriteALU, ReadALU, ReadALU]> {
1363 let isCommutable = Commutable;
1365 def rsi : ARMPseudoInst<(outs GPR:$Rd),
1366 (ins GPR:$Rn, so_reg_imm:$shift, pred:$p),
1368 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn,
1369 so_reg_imm:$shift))]>,
1370 Sched<[WriteALUsi, ReadALU]>;
1372 def rsr : ARMPseudoInst<(outs GPR:$Rd),
1373 (ins GPR:$Rn, so_reg_reg:$shift, pred:$p),
1375 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn,
1376 so_reg_reg:$shift))]>,
1377 Sched<[WriteALUSsr, ReadALUsr]>;
1381 /// AsI1_rbin_s_is - Same as AsI1_bin_s_irs, except selection DAG
1382 /// operands are reversed.
1383 let hasPostISelHook = 1, Defs = [CPSR] in {
1384 multiclass AsI1_rbin_s_is<InstrItinClass iii, InstrItinClass iir,
1385 InstrItinClass iis, PatFrag opnode,
1386 bit Commutable = 0> {
1387 def ri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm, pred:$p),
1389 [(set GPR:$Rd, CPSR, (opnode so_imm:$imm, GPR:$Rn))]>,
1390 Sched<[WriteALU, ReadALU]>;
1392 def rsi : ARMPseudoInst<(outs GPR:$Rd),
1393 (ins GPR:$Rn, so_reg_imm:$shift, pred:$p),
1395 [(set GPR:$Rd, CPSR, (opnode so_reg_imm:$shift,
1397 Sched<[WriteALUsi, ReadALU]>;
1399 def rsr : ARMPseudoInst<(outs GPR:$Rd),
1400 (ins GPR:$Rn, so_reg_reg:$shift, pred:$p),
1402 [(set GPR:$Rd, CPSR, (opnode so_reg_reg:$shift,
1404 Sched<[WriteALUSsr, ReadALUsr]>;
1408 /// AI1_cmp_irs - Defines a set of (op r, {so_imm|r|so_reg}) cmp / test
1409 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
1410 /// a explicit result, only implicitly set CPSR.
1411 let isCompare = 1, Defs = [CPSR] in {
1412 multiclass AI1_cmp_irs<bits<4> opcod, string opc,
1413 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
1414 PatFrag opnode, bit Commutable = 0> {
1415 def ri : AI1<opcod, (outs), (ins GPR:$Rn, so_imm:$imm), DPFrm, iii,
1417 [(opnode GPR:$Rn, so_imm:$imm)]>,
1418 Sched<[WriteCMP, ReadALU]> {
1423 let Inst{19-16} = Rn;
1424 let Inst{15-12} = 0b0000;
1425 let Inst{11-0} = imm;
1427 let Unpredictable{15-12} = 0b1111;
1429 def rr : AI1<opcod, (outs), (ins GPR:$Rn, GPR:$Rm), DPFrm, iir,
1431 [(opnode GPR:$Rn, GPR:$Rm)]>,
1432 Sched<[WriteCMP, ReadALU, ReadALU]> {
1435 let isCommutable = Commutable;
1438 let Inst{19-16} = Rn;
1439 let Inst{15-12} = 0b0000;
1440 let Inst{11-4} = 0b00000000;
1443 let Unpredictable{15-12} = 0b1111;
1445 def rsi : AI1<opcod, (outs),
1446 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm, iis,
1447 opc, "\t$Rn, $shift",
1448 [(opnode GPR:$Rn, so_reg_imm:$shift)]>,
1449 Sched<[WriteCMPsi, ReadALU]> {
1454 let Inst{19-16} = Rn;
1455 let Inst{15-12} = 0b0000;
1456 let Inst{11-5} = shift{11-5};
1458 let Inst{3-0} = shift{3-0};
1460 let Unpredictable{15-12} = 0b1111;
1462 def rsr : AI1<opcod, (outs),
1463 (ins GPRnopc:$Rn, so_reg_reg:$shift), DPSoRegRegFrm, iis,
1464 opc, "\t$Rn, $shift",
1465 [(opnode GPRnopc:$Rn, so_reg_reg:$shift)]>,
1466 Sched<[WriteCMPsr, ReadALU]> {
1471 let Inst{19-16} = Rn;
1472 let Inst{15-12} = 0b0000;
1473 let Inst{11-8} = shift{11-8};
1475 let Inst{6-5} = shift{6-5};
1477 let Inst{3-0} = shift{3-0};
1479 let Unpredictable{15-12} = 0b1111;
1485 /// AI_ext_rrot - A unary operation with two forms: one whose operand is a
1486 /// register and one whose operand is a register rotated by 8/16/24.
1487 /// FIXME: Remove the 'r' variant. Its rot_imm is zero.
1488 class AI_ext_rrot<bits<8> opcod, string opc, PatFrag opnode>
1489 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPRnopc:$Rm, rot_imm:$rot),
1490 IIC_iEXTr, opc, "\t$Rd, $Rm$rot",
1491 [(set GPRnopc:$Rd, (opnode (rotr GPRnopc:$Rm, rot_imm:$rot)))]>,
1492 Requires<[IsARM, HasV6]>, Sched<[WriteALUsi]> {
1496 let Inst{19-16} = 0b1111;
1497 let Inst{15-12} = Rd;
1498 let Inst{11-10} = rot;
1502 class AI_ext_rrot_np<bits<8> opcod, string opc>
1503 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPRnopc:$Rm, rot_imm:$rot),
1504 IIC_iEXTr, opc, "\t$Rd, $Rm$rot", []>,
1505 Requires<[IsARM, HasV6]>, Sched<[WriteALUsi]> {
1507 let Inst{19-16} = 0b1111;
1508 let Inst{11-10} = rot;
1511 /// AI_exta_rrot - A binary operation with two forms: one whose operand is a
1512 /// register and one whose operand is a register rotated by 8/16/24.
1513 class AI_exta_rrot<bits<8> opcod, string opc, PatFrag opnode>
1514 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPR:$Rn, GPRnopc:$Rm, rot_imm:$rot),
1515 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm$rot",
1516 [(set GPRnopc:$Rd, (opnode GPR:$Rn,
1517 (rotr GPRnopc:$Rm, rot_imm:$rot)))]>,
1518 Requires<[IsARM, HasV6]>, Sched<[WriteALUsr]> {
1523 let Inst{19-16} = Rn;
1524 let Inst{15-12} = Rd;
1525 let Inst{11-10} = rot;
1526 let Inst{9-4} = 0b000111;
1530 class AI_exta_rrot_np<bits<8> opcod, string opc>
1531 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPR:$Rn, GPRnopc:$Rm, rot_imm:$rot),
1532 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm$rot", []>,
1533 Requires<[IsARM, HasV6]>, Sched<[WriteALUsr]> {
1536 let Inst{19-16} = Rn;
1537 let Inst{11-10} = rot;
1540 /// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
1541 let TwoOperandAliasConstraint = "$Rn = $Rd" in
1542 multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode,
1543 bit Commutable = 0> {
1544 let hasPostISelHook = 1, Defs = [CPSR], Uses = [CPSR] in {
1545 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
1546 DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
1547 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, so_imm:$imm, CPSR))]>,
1549 Sched<[WriteALU, ReadALU]> {
1554 let Inst{15-12} = Rd;
1555 let Inst{19-16} = Rn;
1556 let Inst{11-0} = imm;
1558 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
1559 DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
1560 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, GPR:$Rm, CPSR))]>,
1562 Sched<[WriteALU, ReadALU, ReadALU]> {
1566 let Inst{11-4} = 0b00000000;
1568 let isCommutable = Commutable;
1570 let Inst{15-12} = Rd;
1571 let Inst{19-16} = Rn;
1573 def rsi : AsI1<opcod, (outs GPR:$Rd),
1574 (ins GPR:$Rn, so_reg_imm:$shift),
1575 DPSoRegImmFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1576 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, so_reg_imm:$shift, CPSR))]>,
1578 Sched<[WriteALUsi, ReadALU]> {
1583 let Inst{19-16} = Rn;
1584 let Inst{15-12} = Rd;
1585 let Inst{11-5} = shift{11-5};
1587 let Inst{3-0} = shift{3-0};
1589 def rsr : AsI1<opcod, (outs GPRnopc:$Rd),
1590 (ins GPRnopc:$Rn, so_reg_reg:$shift),
1591 DPSoRegRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1592 [(set GPRnopc:$Rd, CPSR,
1593 (opnode GPRnopc:$Rn, so_reg_reg:$shift, CPSR))]>,
1595 Sched<[WriteALUsr, ReadALUsr]> {
1600 let Inst{19-16} = Rn;
1601 let Inst{15-12} = Rd;
1602 let Inst{11-8} = shift{11-8};
1604 let Inst{6-5} = shift{6-5};
1606 let Inst{3-0} = shift{3-0};
1611 /// AI1_rsc_irs - Define instructions and patterns for rsc
1612 let TwoOperandAliasConstraint = "$Rn = $Rd" in
1613 multiclass AI1_rsc_irs<bits<4> opcod, string opc, PatFrag opnode> {
1614 let hasPostISelHook = 1, Defs = [CPSR], Uses = [CPSR] in {
1615 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
1616 DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
1617 [(set GPR:$Rd, CPSR, (opnode so_imm:$imm, GPR:$Rn, CPSR))]>,
1619 Sched<[WriteALU, ReadALU]> {
1624 let Inst{15-12} = Rd;
1625 let Inst{19-16} = Rn;
1626 let Inst{11-0} = imm;
1628 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
1629 DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
1630 [/* pattern left blank */]>,
1631 Sched<[WriteALU, ReadALU, ReadALU]> {
1635 let Inst{11-4} = 0b00000000;
1638 let Inst{15-12} = Rd;
1639 let Inst{19-16} = Rn;
1641 def rsi : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_imm:$shift),
1642 DPSoRegImmFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1643 [(set GPR:$Rd, CPSR, (opnode so_reg_imm:$shift, GPR:$Rn, CPSR))]>,
1645 Sched<[WriteALUsi, ReadALU]> {
1650 let Inst{19-16} = Rn;
1651 let Inst{15-12} = Rd;
1652 let Inst{11-5} = shift{11-5};
1654 let Inst{3-0} = shift{3-0};
1656 def rsr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_reg:$shift),
1657 DPSoRegRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1658 [(set GPR:$Rd, CPSR, (opnode so_reg_reg:$shift, GPR:$Rn, CPSR))]>,
1660 Sched<[WriteALUsr, ReadALUsr]> {
1665 let Inst{19-16} = Rn;
1666 let Inst{15-12} = Rd;
1667 let Inst{11-8} = shift{11-8};
1669 let Inst{6-5} = shift{6-5};
1671 let Inst{3-0} = shift{3-0};
1676 let canFoldAsLoad = 1, isReMaterializable = 1 in {
1677 multiclass AI_ldr1<bit isByte, string opc, InstrItinClass iii,
1678 InstrItinClass iir, PatFrag opnode> {
1679 // Note: We use the complex addrmode_imm12 rather than just an input
1680 // GPR and a constrained immediate so that we can use this to match
1681 // frame index references and avoid matching constant pool references.
1682 def i12: AI2ldst<0b010, 1, isByte, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
1683 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
1684 [(set GPR:$Rt, (opnode addrmode_imm12:$addr))]> {
1687 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1688 let Inst{19-16} = addr{16-13}; // Rn
1689 let Inst{15-12} = Rt;
1690 let Inst{11-0} = addr{11-0}; // imm12
1692 def rs : AI2ldst<0b011, 1, isByte, (outs GPR:$Rt), (ins ldst_so_reg:$shift),
1693 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
1694 [(set GPR:$Rt, (opnode ldst_so_reg:$shift))]> {
1697 let shift{4} = 0; // Inst{4} = 0
1698 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1699 let Inst{19-16} = shift{16-13}; // Rn
1700 let Inst{15-12} = Rt;
1701 let Inst{11-0} = shift{11-0};
1706 let canFoldAsLoad = 1, isReMaterializable = 1 in {
1707 multiclass AI_ldr1nopc<bit isByte, string opc, InstrItinClass iii,
1708 InstrItinClass iir, PatFrag opnode> {
1709 // Note: We use the complex addrmode_imm12 rather than just an input
1710 // GPR and a constrained immediate so that we can use this to match
1711 // frame index references and avoid matching constant pool references.
1712 def i12: AI2ldst<0b010, 1, isByte, (outs GPRnopc:$Rt),
1713 (ins addrmode_imm12:$addr),
1714 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
1715 [(set GPRnopc:$Rt, (opnode addrmode_imm12:$addr))]> {
1718 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1719 let Inst{19-16} = addr{16-13}; // Rn
1720 let Inst{15-12} = Rt;
1721 let Inst{11-0} = addr{11-0}; // imm12
1723 def rs : AI2ldst<0b011, 1, isByte, (outs GPRnopc:$Rt),
1724 (ins ldst_so_reg:$shift),
1725 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
1726 [(set GPRnopc:$Rt, (opnode ldst_so_reg:$shift))]> {
1729 let shift{4} = 0; // Inst{4} = 0
1730 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1731 let Inst{19-16} = shift{16-13}; // Rn
1732 let Inst{15-12} = Rt;
1733 let Inst{11-0} = shift{11-0};
1739 multiclass AI_str1<bit isByte, string opc, InstrItinClass iii,
1740 InstrItinClass iir, PatFrag opnode> {
1741 // Note: We use the complex addrmode_imm12 rather than just an input
1742 // GPR and a constrained immediate so that we can use this to match
1743 // frame index references and avoid matching constant pool references.
1744 def i12 : AI2ldst<0b010, 0, isByte, (outs),
1745 (ins GPR:$Rt, addrmode_imm12:$addr),
1746 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
1747 [(opnode GPR:$Rt, addrmode_imm12:$addr)]> {
1750 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1751 let Inst{19-16} = addr{16-13}; // Rn
1752 let Inst{15-12} = Rt;
1753 let Inst{11-0} = addr{11-0}; // imm12
1755 def rs : AI2ldst<0b011, 0, isByte, (outs), (ins GPR:$Rt, ldst_so_reg:$shift),
1756 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
1757 [(opnode GPR:$Rt, ldst_so_reg:$shift)]> {
1760 let shift{4} = 0; // Inst{4} = 0
1761 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1762 let Inst{19-16} = shift{16-13}; // Rn
1763 let Inst{15-12} = Rt;
1764 let Inst{11-0} = shift{11-0};
1768 multiclass AI_str1nopc<bit isByte, string opc, InstrItinClass iii,
1769 InstrItinClass iir, PatFrag opnode> {
1770 // Note: We use the complex addrmode_imm12 rather than just an input
1771 // GPR and a constrained immediate so that we can use this to match
1772 // frame index references and avoid matching constant pool references.
1773 def i12 : AI2ldst<0b010, 0, isByte, (outs),
1774 (ins GPRnopc:$Rt, addrmode_imm12:$addr),
1775 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
1776 [(opnode GPRnopc:$Rt, addrmode_imm12:$addr)]> {
1779 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1780 let Inst{19-16} = addr{16-13}; // Rn
1781 let Inst{15-12} = Rt;
1782 let Inst{11-0} = addr{11-0}; // imm12
1784 def rs : AI2ldst<0b011, 0, isByte, (outs),
1785 (ins GPRnopc:$Rt, ldst_so_reg:$shift),
1786 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
1787 [(opnode GPRnopc:$Rt, ldst_so_reg:$shift)]> {
1790 let shift{4} = 0; // Inst{4} = 0
1791 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1792 let Inst{19-16} = shift{16-13}; // Rn
1793 let Inst{15-12} = Rt;
1794 let Inst{11-0} = shift{11-0};
1799 //===----------------------------------------------------------------------===//
1801 //===----------------------------------------------------------------------===//
1803 //===----------------------------------------------------------------------===//
1804 // Miscellaneous Instructions.
1807 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
1808 /// the function. The first operand is the ID# for this instruction, the second
1809 /// is the index into the MachineConstantPool that this is, the third is the
1810 /// size in bytes of this constant pool entry.
1811 let neverHasSideEffects = 1, isNotDuplicable = 1 in
1812 def CONSTPOOL_ENTRY :
1813 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
1814 i32imm:$size), NoItinerary, []>;
1816 // FIXME: Marking these as hasSideEffects is necessary to prevent machine DCE
1817 // from removing one half of the matched pairs. That breaks PEI, which assumes
1818 // these will always be in pairs, and asserts if it finds otherwise. Better way?
1819 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
1820 def ADJCALLSTACKUP :
1821 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary,
1822 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
1824 def ADJCALLSTACKDOWN :
1825 PseudoInst<(outs), (ins i32imm:$amt, pred:$p), NoItinerary,
1826 [(ARMcallseq_start timm:$amt)]>;
1829 def HINT : AI<(outs), (ins imm0_239:$imm), MiscFrm, NoItinerary,
1830 "hint", "\t$imm", [(int_arm_hint imm0_239:$imm)]>,
1831 Requires<[IsARM, HasV6]> {
1833 let Inst{27-8} = 0b00110010000011110000;
1834 let Inst{7-0} = imm;
1837 def : InstAlias<"nop$p", (HINT 0, pred:$p)>, Requires<[IsARM, HasV6T2]>;
1838 def : InstAlias<"yield$p", (HINT 1, pred:$p)>, Requires<[IsARM, HasV6T2]>;
1839 def : InstAlias<"wfe$p", (HINT 2, pred:$p)>, Requires<[IsARM, HasV6T2]>;
1840 def : InstAlias<"wfi$p", (HINT 3, pred:$p)>, Requires<[IsARM, HasV6T2]>;
1841 def : InstAlias<"sev$p", (HINT 4, pred:$p)>, Requires<[IsARM, HasV6T2]>;
1842 def : InstAlias<"sevl$p", (HINT 5, pred:$p)>, Requires<[IsARM, HasV8]>;
1844 def SEL : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm, NoItinerary, "sel",
1845 "\t$Rd, $Rn, $Rm", []>, Requires<[IsARM, HasV6]> {
1850 let Inst{15-12} = Rd;
1851 let Inst{19-16} = Rn;
1852 let Inst{27-20} = 0b01101000;
1853 let Inst{7-4} = 0b1011;
1854 let Inst{11-8} = 0b1111;
1855 let Unpredictable{11-8} = 0b1111;
1858 // The 16-bit operand $val can be used by a debugger to store more information
1859 // about the breakpoint.
1860 def BKPT : AInoP<(outs), (ins imm0_65535:$val), MiscFrm, NoItinerary,
1861 "bkpt", "\t$val", []>, Requires<[IsARM]> {
1863 let Inst{3-0} = val{3-0};
1864 let Inst{19-8} = val{15-4};
1865 let Inst{27-20} = 0b00010010;
1866 let Inst{31-28} = 0xe; // AL
1867 let Inst{7-4} = 0b0111;
1869 // default immediate for breakpoint mnemonic
1870 def : InstAlias<"bkpt", (BKPT 0)>, Requires<[IsARM]>;
1872 def HLT : AInoP<(outs), (ins imm0_65535:$val), MiscFrm, NoItinerary,
1873 "hlt", "\t$val", []>, Requires<[IsARM, HasV8]> {
1875 let Inst{3-0} = val{3-0};
1876 let Inst{19-8} = val{15-4};
1877 let Inst{27-20} = 0b00010000;
1878 let Inst{31-28} = 0xe; // AL
1879 let Inst{7-4} = 0b0111;
1882 // Change Processor State
1883 // FIXME: We should use InstAlias to handle the optional operands.
1884 class CPS<dag iops, string asm_ops>
1885 : AXI<(outs), iops, MiscFrm, NoItinerary, !strconcat("cps", asm_ops),
1886 []>, Requires<[IsARM]> {
1892 let Inst{31-28} = 0b1111;
1893 let Inst{27-20} = 0b00010000;
1894 let Inst{19-18} = imod;
1895 let Inst{17} = M; // Enabled if mode is set;
1896 let Inst{16-9} = 0b00000000;
1897 let Inst{8-6} = iflags;
1899 let Inst{4-0} = mode;
1902 let DecoderMethod = "DecodeCPSInstruction" in {
1904 def CPS3p : CPS<(ins imod_op:$imod, iflags_op:$iflags, imm0_31:$mode),
1905 "$imod\t$iflags, $mode">;
1906 let mode = 0, M = 0 in
1907 def CPS2p : CPS<(ins imod_op:$imod, iflags_op:$iflags), "$imod\t$iflags">;
1909 let imod = 0, iflags = 0, M = 1 in
1910 def CPS1p : CPS<(ins imm0_31:$mode), "\t$mode">;
1913 // Preload signals the memory system of possible future data/instruction access.
1914 multiclass APreLoad<bits<1> read, bits<1> data, string opc> {
1916 def i12 : AXIM<(outs), (ins addrmode_imm12:$addr), AddrMode_i12, MiscFrm,
1917 IIC_Preload, !strconcat(opc, "\t$addr"),
1918 [(ARMPreload addrmode_imm12:$addr, (i32 read), (i32 data))]>,
1919 Sched<[WritePreLd]> {
1922 let Inst{31-26} = 0b111101;
1923 let Inst{25} = 0; // 0 for immediate form
1924 let Inst{24} = data;
1925 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1926 let Inst{22} = read;
1927 let Inst{21-20} = 0b01;
1928 let Inst{19-16} = addr{16-13}; // Rn
1929 let Inst{15-12} = 0b1111;
1930 let Inst{11-0} = addr{11-0}; // imm12
1933 def rs : AXI<(outs), (ins ldst_so_reg:$shift), MiscFrm, IIC_Preload,
1934 !strconcat(opc, "\t$shift"),
1935 [(ARMPreload ldst_so_reg:$shift, (i32 read), (i32 data))]>,
1936 Sched<[WritePreLd]> {
1938 let Inst{31-26} = 0b111101;
1939 let Inst{25} = 1; // 1 for register form
1940 let Inst{24} = data;
1941 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1942 let Inst{22} = read;
1943 let Inst{21-20} = 0b01;
1944 let Inst{19-16} = shift{16-13}; // Rn
1945 let Inst{15-12} = 0b1111;
1946 let Inst{11-0} = shift{11-0};
1951 defm PLD : APreLoad<1, 1, "pld">, Requires<[IsARM]>;
1952 defm PLDW : APreLoad<0, 1, "pldw">, Requires<[IsARM,HasV7,HasMP]>;
1953 defm PLI : APreLoad<1, 0, "pli">, Requires<[IsARM,HasV7]>;
1955 def SETEND : AXI<(outs), (ins setend_op:$end), MiscFrm, NoItinerary,
1956 "setend\t$end", []>, Requires<[IsARM]>, Deprecated<HasV8Ops> {
1958 let Inst{31-10} = 0b1111000100000001000000;
1963 def DBG : AI<(outs), (ins imm0_15:$opt), MiscFrm, NoItinerary, "dbg", "\t$opt",
1964 []>, Requires<[IsARM, HasV7]> {
1966 let Inst{27-4} = 0b001100100000111100001111;
1967 let Inst{3-0} = opt;
1970 // A8.8.247 UDF - Undefined (Encoding A1)
1971 def UDF : AInoP<(outs), (ins imm0_65535:$imm16), MiscFrm, NoItinerary,
1972 "udf", "\t$imm16", [(int_arm_undefined imm0_65535:$imm16)]> {
1974 let Inst{31-28} = 0b1110; // AL
1975 let Inst{27-25} = 0b011;
1976 let Inst{24-20} = 0b11111;
1977 let Inst{19-8} = imm16{15-4};
1978 let Inst{7-4} = 0b1111;
1979 let Inst{3-0} = imm16{3-0};
1983 * A5.4 Permanently UNDEFINED instructions.
1985 * For most targets use UDF #65006, for which the OS will generate SIGTRAP.
1986 * Other UDF encodings generate SIGILL.
1988 * NaCl's OS instead chooses an ARM UDF encoding that's also a UDF in Thumb.
1990 * 1110 0111 1111 iiii iiii iiii 1111 iiii
1992 * 1101 1110 iiii iiii
1993 * It uses the following encoding:
1994 * 1110 0111 1111 1110 1101 1110 1111 0000
1995 * - In ARM: UDF #60896;
1996 * - In Thumb: UDF #254 followed by a branch-to-self.
1998 let isBarrier = 1, isTerminator = 1 in
1999 def TRAPNaCl : AXI<(outs), (ins), MiscFrm, NoItinerary,
2001 Requires<[IsARM,UseNaClTrap]> {
2002 let Inst = 0xe7fedef0;
2004 let isBarrier = 1, isTerminator = 1 in
2005 def TRAP : AXI<(outs), (ins), MiscFrm, NoItinerary,
2007 Requires<[IsARM,DontUseNaClTrap]> {
2008 let Inst = 0xe7ffdefe;
2011 // Address computation and loads and stores in PIC mode.
2012 let isNotDuplicable = 1 in {
2013 def PICADD : ARMPseudoInst<(outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
2015 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>,
2016 Sched<[WriteALU, ReadALU]>;
2018 let AddedComplexity = 10 in {
2019 def PICLDR : ARMPseudoInst<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
2021 [(set GPR:$dst, (load addrmodepc:$addr))]>;
2023 def PICLDRH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
2025 [(set GPR:$Rt, (zextloadi16 addrmodepc:$addr))]>;
2027 def PICLDRB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
2029 [(set GPR:$Rt, (zextloadi8 addrmodepc:$addr))]>;
2031 def PICLDRSH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
2033 [(set GPR:$Rt, (sextloadi16 addrmodepc:$addr))]>;
2035 def PICLDRSB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
2037 [(set GPR:$Rt, (sextloadi8 addrmodepc:$addr))]>;
2039 let AddedComplexity = 10 in {
2040 def PICSTR : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
2041 4, IIC_iStore_r, [(store GPR:$src, addrmodepc:$addr)]>;
2043 def PICSTRH : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
2044 4, IIC_iStore_bh_r, [(truncstorei16 GPR:$src,
2045 addrmodepc:$addr)]>;
2047 def PICSTRB : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
2048 4, IIC_iStore_bh_r, [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
2050 } // isNotDuplicable = 1
2053 // LEApcrel - Load a pc-relative address into a register without offending the
2055 let neverHasSideEffects = 1, isReMaterializable = 1 in
2056 // The 'adr' mnemonic encodes differently if the label is before or after
2057 // the instruction. The {24-21} opcode bits are set by the fixup, as we don't
2058 // know until then which form of the instruction will be used.
2059 def ADR : AI1<{0,?,?,0}, (outs GPR:$Rd), (ins adrlabel:$label),
2060 MiscFrm, IIC_iALUi, "adr", "\t$Rd, $label", []>,
2061 Sched<[WriteALU, ReadALU]> {
2064 let Inst{27-25} = 0b001;
2066 let Inst{23-22} = label{13-12};
2069 let Inst{19-16} = 0b1111;
2070 let Inst{15-12} = Rd;
2071 let Inst{11-0} = label{11-0};
2074 let hasSideEffects = 1 in {
2075 def LEApcrel : ARMPseudoInst<(outs GPR:$Rd), (ins i32imm:$label, pred:$p),
2076 4, IIC_iALUi, []>, Sched<[WriteALU, ReadALU]>;
2078 def LEApcrelJT : ARMPseudoInst<(outs GPR:$Rd),
2079 (ins i32imm:$label, nohash_imm:$id, pred:$p),
2080 4, IIC_iALUi, []>, Sched<[WriteALU, ReadALU]>;
2083 //===----------------------------------------------------------------------===//
2084 // Control Flow Instructions.
2087 let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
2089 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
2090 "bx", "\tlr", [(ARMretflag)]>,
2091 Requires<[IsARM, HasV4T]>, Sched<[WriteBr]> {
2092 let Inst{27-0} = 0b0001001011111111111100011110;
2096 def MOVPCLR : AI<(outs), (ins), BrMiscFrm, IIC_Br,
2097 "mov", "\tpc, lr", [(ARMretflag)]>,
2098 Requires<[IsARM, NoV4T]>, Sched<[WriteBr]> {
2099 let Inst{27-0} = 0b0001101000001111000000001110;
2102 // Exception return: N.b. doesn't set CPSR as far as we're concerned (it sets
2103 // the user-space one).
2104 def SUBS_PC_LR : ARMPseudoInst<(outs), (ins i32imm:$offset, pred:$p),
2106 [(ARMintretflag imm:$offset)]>;
2109 // Indirect branches
2110 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
2112 def BX : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
2113 [(brind GPR:$dst)]>,
2114 Requires<[IsARM, HasV4T]>, Sched<[WriteBr]> {
2116 let Inst{31-4} = 0b1110000100101111111111110001;
2117 let Inst{3-0} = dst;
2120 def BX_pred : AI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br,
2121 "bx", "\t$dst", [/* pattern left blank */]>,
2122 Requires<[IsARM, HasV4T]>, Sched<[WriteBr]> {
2124 let Inst{27-4} = 0b000100101111111111110001;
2125 let Inst{3-0} = dst;
2129 // SP is marked as a use to prevent stack-pointer assignments that appear
2130 // immediately before calls from potentially appearing dead.
2132 // FIXME: Do we really need a non-predicated version? If so, it should
2133 // at least be a pseudo instruction expanding to the predicated version
2134 // at MC lowering time.
2135 Defs = [LR], Uses = [SP] in {
2136 def BL : ABXI<0b1011, (outs), (ins bl_target:$func),
2137 IIC_Br, "bl\t$func",
2138 [(ARMcall tglobaladdr:$func)]>,
2139 Requires<[IsARM]>, Sched<[WriteBrL]> {
2140 let Inst{31-28} = 0b1110;
2142 let Inst{23-0} = func;
2143 let DecoderMethod = "DecodeBranchImmInstruction";
2146 def BL_pred : ABI<0b1011, (outs), (ins bl_target:$func),
2147 IIC_Br, "bl", "\t$func",
2148 [(ARMcall_pred tglobaladdr:$func)]>,
2149 Requires<[IsARM]>, Sched<[WriteBrL]> {
2151 let Inst{23-0} = func;
2152 let DecoderMethod = "DecodeBranchImmInstruction";
2156 def BLX : AXI<(outs), (ins GPR:$func), BrMiscFrm,
2157 IIC_Br, "blx\t$func",
2158 [(ARMcall GPR:$func)]>,
2159 Requires<[IsARM, HasV5T]>, Sched<[WriteBrL]> {
2161 let Inst{31-4} = 0b1110000100101111111111110011;
2162 let Inst{3-0} = func;
2165 def BLX_pred : AI<(outs), (ins GPR:$func), BrMiscFrm,
2166 IIC_Br, "blx", "\t$func",
2167 [(ARMcall_pred GPR:$func)]>,
2168 Requires<[IsARM, HasV5T]>, Sched<[WriteBrL]> {
2170 let Inst{27-4} = 0b000100101111111111110011;
2171 let Inst{3-0} = func;
2175 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
2176 def BX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func),
2177 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
2178 Requires<[IsARM, HasV4T]>, Sched<[WriteBr]>;
2181 def BMOVPCRX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func),
2182 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
2183 Requires<[IsARM, NoV4T]>, Sched<[WriteBr]>;
2185 // mov lr, pc; b if callee is marked noreturn to avoid confusing the
2186 // return stack predictor.
2187 def BMOVPCB_CALL : ARMPseudoInst<(outs), (ins bl_target:$func),
2188 8, IIC_Br, [(ARMcall_nolink tglobaladdr:$func)]>,
2189 Requires<[IsARM]>, Sched<[WriteBr]>;
2192 let isBranch = 1, isTerminator = 1 in {
2193 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
2194 // a two-value operand where a dag node expects two operands. :(
2195 def Bcc : ABI<0b1010, (outs), (ins br_target:$target),
2196 IIC_Br, "b", "\t$target",
2197 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]>,
2200 let Inst{23-0} = target;
2201 let DecoderMethod = "DecodeBranchImmInstruction";
2204 let isBarrier = 1 in {
2205 // B is "predicable" since it's just a Bcc with an 'always' condition.
2206 let isPredicable = 1 in
2207 // FIXME: We shouldn't need this pseudo at all. Just using Bcc directly
2208 // should be sufficient.
2209 // FIXME: Is B really a Barrier? That doesn't seem right.
2210 def B : ARMPseudoExpand<(outs), (ins br_target:$target), 4, IIC_Br,
2211 [(br bb:$target)], (Bcc br_target:$target, (ops 14, zero_reg))>,
2214 let isNotDuplicable = 1, isIndirectBranch = 1 in {
2215 def BR_JTr : ARMPseudoInst<(outs),
2216 (ins GPR:$target, i32imm:$jt, i32imm:$id),
2218 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]>,
2220 // FIXME: This shouldn't use the generic "addrmode2," but rather be split
2221 // into i12 and rs suffixed versions.
2222 def BR_JTm : ARMPseudoInst<(outs),
2223 (ins addrmode2:$target, i32imm:$jt, i32imm:$id),
2225 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
2226 imm:$id)]>, Sched<[WriteBrTbl]>;
2227 def BR_JTadd : ARMPseudoInst<(outs),
2228 (ins GPR:$target, GPR:$idx, i32imm:$jt, i32imm:$id),
2230 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
2231 imm:$id)]>, Sched<[WriteBrTbl]>;
2232 } // isNotDuplicable = 1, isIndirectBranch = 1
2238 def BLXi : AXI<(outs), (ins blx_target:$target), BrMiscFrm, NoItinerary,
2239 "blx\t$target", []>,
2240 Requires<[IsARM, HasV5T]>, Sched<[WriteBrL]> {
2241 let Inst{31-25} = 0b1111101;
2243 let Inst{23-0} = target{24-1};
2244 let Inst{24} = target{0};
2247 // Branch and Exchange Jazelle
2248 def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
2249 [/* pattern left blank */]>, Sched<[WriteBr]> {
2251 let Inst{23-20} = 0b0010;
2252 let Inst{19-8} = 0xfff;
2253 let Inst{7-4} = 0b0010;
2254 let Inst{3-0} = func;
2259 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, Uses = [SP] in {
2260 def TCRETURNdi : PseudoInst<(outs), (ins i32imm:$dst), IIC_Br, []>,
2263 def TCRETURNri : PseudoInst<(outs), (ins tcGPR:$dst), IIC_Br, []>,
2266 def TAILJMPd : ARMPseudoExpand<(outs), (ins br_target:$dst),
2268 (Bcc br_target:$dst, (ops 14, zero_reg))>,
2269 Requires<[IsARM]>, Sched<[WriteBr]>;
2271 def TAILJMPr : ARMPseudoExpand<(outs), (ins tcGPR:$dst),
2273 (BX GPR:$dst)>, Sched<[WriteBr]>,
2277 // Secure Monitor Call is a system instruction.
2278 def SMC : ABI<0b0001, (outs), (ins imm0_15:$opt), NoItinerary, "smc", "\t$opt",
2279 []>, Requires<[IsARM, HasTrustZone]> {
2281 let Inst{23-4} = 0b01100000000000000111;
2282 let Inst{3-0} = opt;
2285 // Supervisor Call (Software Interrupt)
2286 let isCall = 1, Uses = [SP] in {
2287 def SVC : ABI<0b1111, (outs), (ins imm24b:$svc), IIC_Br, "svc", "\t$svc", []>,
2290 let Inst{23-0} = svc;
2294 // Store Return State
2295 class SRSI<bit wb, string asm>
2296 : XI<(outs), (ins imm0_31:$mode), AddrModeNone, 4, IndexModeNone, BrFrm,
2297 NoItinerary, asm, "", []> {
2299 let Inst{31-28} = 0b1111;
2300 let Inst{27-25} = 0b100;
2304 let Inst{19-16} = 0b1101; // SP
2305 let Inst{15-5} = 0b00000101000;
2306 let Inst{4-0} = mode;
2309 def SRSDA : SRSI<0, "srsda\tsp, $mode"> {
2310 let Inst{24-23} = 0;
2312 def SRSDA_UPD : SRSI<1, "srsda\tsp!, $mode"> {
2313 let Inst{24-23} = 0;
2315 def SRSDB : SRSI<0, "srsdb\tsp, $mode"> {
2316 let Inst{24-23} = 0b10;
2318 def SRSDB_UPD : SRSI<1, "srsdb\tsp!, $mode"> {
2319 let Inst{24-23} = 0b10;
2321 def SRSIA : SRSI<0, "srsia\tsp, $mode"> {
2322 let Inst{24-23} = 0b01;
2324 def SRSIA_UPD : SRSI<1, "srsia\tsp!, $mode"> {
2325 let Inst{24-23} = 0b01;
2327 def SRSIB : SRSI<0, "srsib\tsp, $mode"> {
2328 let Inst{24-23} = 0b11;
2330 def SRSIB_UPD : SRSI<1, "srsib\tsp!, $mode"> {
2331 let Inst{24-23} = 0b11;
2334 def : ARMInstAlias<"srsda $mode", (SRSDA imm0_31:$mode)>;
2335 def : ARMInstAlias<"srsda $mode!", (SRSDA_UPD imm0_31:$mode)>;
2337 def : ARMInstAlias<"srsdb $mode", (SRSDB imm0_31:$mode)>;
2338 def : ARMInstAlias<"srsdb $mode!", (SRSDB_UPD imm0_31:$mode)>;
2340 def : ARMInstAlias<"srsia $mode", (SRSIA imm0_31:$mode)>;
2341 def : ARMInstAlias<"srsia $mode!", (SRSIA_UPD imm0_31:$mode)>;
2343 def : ARMInstAlias<"srsib $mode", (SRSIB imm0_31:$mode)>;
2344 def : ARMInstAlias<"srsib $mode!", (SRSIB_UPD imm0_31:$mode)>;
2346 // Return From Exception
2347 class RFEI<bit wb, string asm>
2348 : XI<(outs), (ins GPR:$Rn), AddrModeNone, 4, IndexModeNone, BrFrm,
2349 NoItinerary, asm, "", []> {
2351 let Inst{31-28} = 0b1111;
2352 let Inst{27-25} = 0b100;
2356 let Inst{19-16} = Rn;
2357 let Inst{15-0} = 0xa00;
2360 def RFEDA : RFEI<0, "rfeda\t$Rn"> {
2361 let Inst{24-23} = 0;
2363 def RFEDA_UPD : RFEI<1, "rfeda\t$Rn!"> {
2364 let Inst{24-23} = 0;
2366 def RFEDB : RFEI<0, "rfedb\t$Rn"> {
2367 let Inst{24-23} = 0b10;
2369 def RFEDB_UPD : RFEI<1, "rfedb\t$Rn!"> {
2370 let Inst{24-23} = 0b10;
2372 def RFEIA : RFEI<0, "rfeia\t$Rn"> {
2373 let Inst{24-23} = 0b01;
2375 def RFEIA_UPD : RFEI<1, "rfeia\t$Rn!"> {
2376 let Inst{24-23} = 0b01;
2378 def RFEIB : RFEI<0, "rfeib\t$Rn"> {
2379 let Inst{24-23} = 0b11;
2381 def RFEIB_UPD : RFEI<1, "rfeib\t$Rn!"> {
2382 let Inst{24-23} = 0b11;
2385 //===----------------------------------------------------------------------===//
2386 // Load / Store Instructions.
2392 defm LDR : AI_ldr1<0, "ldr", IIC_iLoad_r, IIC_iLoad_si,
2393 UnOpFrag<(load node:$Src)>>;
2394 defm LDRB : AI_ldr1nopc<1, "ldrb", IIC_iLoad_bh_r, IIC_iLoad_bh_si,
2395 UnOpFrag<(zextloadi8 node:$Src)>>;
2396 defm STR : AI_str1<0, "str", IIC_iStore_r, IIC_iStore_si,
2397 BinOpFrag<(store node:$LHS, node:$RHS)>>;
2398 defm STRB : AI_str1nopc<1, "strb", IIC_iStore_bh_r, IIC_iStore_bh_si,
2399 BinOpFrag<(truncstorei8 node:$LHS, node:$RHS)>>;
2401 // Special LDR for loads from non-pc-relative constpools.
2402 let canFoldAsLoad = 1, mayLoad = 1, neverHasSideEffects = 1,
2403 isReMaterializable = 1, isCodeGenOnly = 1 in
2404 def LDRcp : AI2ldst<0b010, 1, 0, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
2405 AddrMode_i12, LdFrm, IIC_iLoad_r, "ldr", "\t$Rt, $addr",
2409 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2410 let Inst{19-16} = 0b1111;
2411 let Inst{15-12} = Rt;
2412 let Inst{11-0} = addr{11-0}; // imm12
2415 // Loads with zero extension
2416 def LDRH : AI3ld<0b1011, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
2417 IIC_iLoad_bh_r, "ldrh", "\t$Rt, $addr",
2418 [(set GPR:$Rt, (zextloadi16 addrmode3:$addr))]>;
2420 // Loads with sign extension
2421 def LDRSH : AI3ld<0b1111, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
2422 IIC_iLoad_bh_r, "ldrsh", "\t$Rt, $addr",
2423 [(set GPR:$Rt, (sextloadi16 addrmode3:$addr))]>;
2425 def LDRSB : AI3ld<0b1101, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
2426 IIC_iLoad_bh_r, "ldrsb", "\t$Rt, $addr",
2427 [(set GPR:$Rt, (sextloadi8 addrmode3:$addr))]>;
2429 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1 in {
2431 def LDRD : AI3ld<0b1101, 0, (outs GPR:$Rt, GPR:$Rt2), (ins addrmode3:$addr),
2432 LdMiscFrm, IIC_iLoad_d_r, "ldrd", "\t$Rt, $Rt2, $addr", []>,
2433 Requires<[IsARM, HasV5TE]>;
2436 def LDA : AIldracq<0b00, (outs GPR:$Rt), (ins addr_offset_none:$addr),
2437 NoItinerary, "lda", "\t$Rt, $addr", []>;
2438 def LDAB : AIldracq<0b10, (outs GPR:$Rt), (ins addr_offset_none:$addr),
2439 NoItinerary, "ldab", "\t$Rt, $addr", []>;
2440 def LDAH : AIldracq<0b11, (outs GPR:$Rt), (ins addr_offset_none:$addr),
2441 NoItinerary, "ldah", "\t$Rt, $addr", []>;
2444 multiclass AI2_ldridx<bit isByte, string opc,
2445 InstrItinClass iii, InstrItinClass iir> {
2446 def _PRE_IMM : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb),
2447 (ins addrmode_imm12_pre:$addr), IndexModePre, LdFrm, iii,
2448 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2451 let Inst{23} = addr{12};
2452 let Inst{19-16} = addr{16-13};
2453 let Inst{11-0} = addr{11-0};
2454 let DecoderMethod = "DecodeLDRPreImm";
2457 def _PRE_REG : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb),
2458 (ins ldst_so_reg:$addr), IndexModePre, LdFrm, iir,
2459 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2462 let Inst{23} = addr{12};
2463 let Inst{19-16} = addr{16-13};
2464 let Inst{11-0} = addr{11-0};
2466 let DecoderMethod = "DecodeLDRPreReg";
2469 def _POST_REG : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2470 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2471 IndexModePost, LdFrm, iir,
2472 opc, "\t$Rt, $addr, $offset",
2473 "$addr.base = $Rn_wb", []> {
2479 let Inst{23} = offset{12};
2480 let Inst{19-16} = addr;
2481 let Inst{11-0} = offset{11-0};
2484 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2487 def _POST_IMM : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2488 (ins addr_offset_none:$addr, am2offset_imm:$offset),
2489 IndexModePost, LdFrm, iii,
2490 opc, "\t$Rt, $addr, $offset",
2491 "$addr.base = $Rn_wb", []> {
2497 let Inst{23} = offset{12};
2498 let Inst{19-16} = addr;
2499 let Inst{11-0} = offset{11-0};
2501 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2506 let mayLoad = 1, neverHasSideEffects = 1 in {
2507 // FIXME: for LDR_PRE_REG etc. the itineray should be either IIC_iLoad_ru or
2508 // IIC_iLoad_siu depending on whether it the offset register is shifted.
2509 defm LDR : AI2_ldridx<0, "ldr", IIC_iLoad_iu, IIC_iLoad_ru>;
2510 defm LDRB : AI2_ldridx<1, "ldrb", IIC_iLoad_bh_iu, IIC_iLoad_bh_ru>;
2513 multiclass AI3_ldridx<bits<4> op, string opc, InstrItinClass itin> {
2514 def _PRE : AI3ldstidx<op, 1, 1, (outs GPR:$Rt, GPR:$Rn_wb),
2515 (ins addrmode3_pre:$addr), IndexModePre,
2517 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2519 let Inst{23} = addr{8}; // U bit
2520 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2521 let Inst{19-16} = addr{12-9}; // Rn
2522 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2523 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2524 let DecoderMethod = "DecodeAddrMode3Instruction";
2526 def _POST : AI3ldstidx<op, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2527 (ins addr_offset_none:$addr, am3offset:$offset),
2528 IndexModePost, LdMiscFrm, itin,
2529 opc, "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb",
2533 let Inst{23} = offset{8}; // U bit
2534 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2535 let Inst{19-16} = addr;
2536 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2537 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2538 let DecoderMethod = "DecodeAddrMode3Instruction";
2542 let mayLoad = 1, neverHasSideEffects = 1 in {
2543 defm LDRH : AI3_ldridx<0b1011, "ldrh", IIC_iLoad_bh_ru>;
2544 defm LDRSH : AI3_ldridx<0b1111, "ldrsh", IIC_iLoad_bh_ru>;
2545 defm LDRSB : AI3_ldridx<0b1101, "ldrsb", IIC_iLoad_bh_ru>;
2546 let hasExtraDefRegAllocReq = 1 in {
2547 def LDRD_PRE : AI3ldstidx<0b1101, 0, 1, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
2548 (ins addrmode3_pre:$addr), IndexModePre,
2549 LdMiscFrm, IIC_iLoad_d_ru,
2550 "ldrd", "\t$Rt, $Rt2, $addr!",
2551 "$addr.base = $Rn_wb", []> {
2553 let Inst{23} = addr{8}; // U bit
2554 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2555 let Inst{19-16} = addr{12-9}; // Rn
2556 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2557 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2558 let DecoderMethod = "DecodeAddrMode3Instruction";
2560 def LDRD_POST: AI3ldstidx<0b1101, 0, 0, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
2561 (ins addr_offset_none:$addr, am3offset:$offset),
2562 IndexModePost, LdMiscFrm, IIC_iLoad_d_ru,
2563 "ldrd", "\t$Rt, $Rt2, $addr, $offset",
2564 "$addr.base = $Rn_wb", []> {
2567 let Inst{23} = offset{8}; // U bit
2568 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2569 let Inst{19-16} = addr;
2570 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2571 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2572 let DecoderMethod = "DecodeAddrMode3Instruction";
2574 } // hasExtraDefRegAllocReq = 1
2575 } // mayLoad = 1, neverHasSideEffects = 1
2577 // LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT.
2578 let mayLoad = 1, neverHasSideEffects = 1 in {
2579 def LDRT_POST_REG : AI2ldstidx<1, 0, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2580 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2581 IndexModePost, LdFrm, IIC_iLoad_ru,
2582 "ldrt", "\t$Rt, $addr, $offset",
2583 "$addr.base = $Rn_wb", []> {
2589 let Inst{23} = offset{12};
2590 let Inst{21} = 1; // overwrite
2591 let Inst{19-16} = addr;
2592 let Inst{11-5} = offset{11-5};
2594 let Inst{3-0} = offset{3-0};
2595 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2599 : AI2ldstidx<1, 0, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2600 (ins addr_offset_none:$addr, am2offset_imm:$offset),
2601 IndexModePost, LdFrm, IIC_iLoad_ru,
2602 "ldrt", "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb", []> {
2608 let Inst{23} = offset{12};
2609 let Inst{21} = 1; // overwrite
2610 let Inst{19-16} = addr;
2611 let Inst{11-0} = offset{11-0};
2612 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2615 def LDRBT_POST_REG : AI2ldstidx<1, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2616 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2617 IndexModePost, LdFrm, IIC_iLoad_bh_ru,
2618 "ldrbt", "\t$Rt, $addr, $offset",
2619 "$addr.base = $Rn_wb", []> {
2625 let Inst{23} = offset{12};
2626 let Inst{21} = 1; // overwrite
2627 let Inst{19-16} = addr;
2628 let Inst{11-5} = offset{11-5};
2630 let Inst{3-0} = offset{3-0};
2631 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2635 : AI2ldstidx<1, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2636 (ins addr_offset_none:$addr, am2offset_imm:$offset),
2637 IndexModePost, LdFrm, IIC_iLoad_bh_ru,
2638 "ldrbt", "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb", []> {
2644 let Inst{23} = offset{12};
2645 let Inst{21} = 1; // overwrite
2646 let Inst{19-16} = addr;
2647 let Inst{11-0} = offset{11-0};
2648 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2651 multiclass AI3ldrT<bits<4> op, string opc> {
2652 def i : AI3ldstidxT<op, 1, (outs GPR:$Rt, GPR:$base_wb),
2653 (ins addr_offset_none:$addr, postidx_imm8:$offset),
2654 IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru, opc,
2655 "\t$Rt, $addr, $offset", "$addr.base = $base_wb", []> {
2657 let Inst{23} = offset{8};
2659 let Inst{11-8} = offset{7-4};
2660 let Inst{3-0} = offset{3-0};
2662 def r : AI3ldstidxT<op, 1, (outs GPRnopc:$Rt, GPRnopc:$base_wb),
2663 (ins addr_offset_none:$addr, postidx_reg:$Rm),
2664 IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru, opc,
2665 "\t$Rt, $addr, $Rm", "$addr.base = $base_wb", []> {
2667 let Inst{23} = Rm{4};
2670 let Unpredictable{11-8} = 0b1111;
2671 let Inst{3-0} = Rm{3-0};
2672 let DecoderMethod = "DecodeLDR";
2676 defm LDRSBT : AI3ldrT<0b1101, "ldrsbt">;
2677 defm LDRHT : AI3ldrT<0b1011, "ldrht">;
2678 defm LDRSHT : AI3ldrT<0b1111, "ldrsht">;
2682 : ARMAsmPseudo<"ldrt${q} $Rt, $addr", (ins addr_offset_none:$addr, pred:$q),
2686 : ARMAsmPseudo<"ldrbt${q} $Rt, $addr", (ins addr_offset_none:$addr, pred:$q),
2691 // Stores with truncate
2692 def STRH : AI3str<0b1011, (outs), (ins GPR:$Rt, addrmode3:$addr), StMiscFrm,
2693 IIC_iStore_bh_r, "strh", "\t$Rt, $addr",
2694 [(truncstorei16 GPR:$Rt, addrmode3:$addr)]>;
2697 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in {
2698 def STRD : AI3str<0b1111, (outs), (ins GPR:$Rt, GPR:$Rt2, addrmode3:$addr),
2699 StMiscFrm, IIC_iStore_d_r, "strd", "\t$Rt, $Rt2, $addr", []>,
2700 Requires<[IsARM, HasV5TE]> {
2706 multiclass AI2_stridx<bit isByte, string opc,
2707 InstrItinClass iii, InstrItinClass iir> {
2708 def _PRE_IMM : AI2ldstidx<0, isByte, 1, (outs GPR:$Rn_wb),
2709 (ins GPR:$Rt, addrmode_imm12_pre:$addr), IndexModePre,
2711 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2714 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2715 let Inst{19-16} = addr{16-13}; // Rn
2716 let Inst{11-0} = addr{11-0}; // imm12
2717 let DecoderMethod = "DecodeSTRPreImm";
2720 def _PRE_REG : AI2ldstidx<0, isByte, 1, (outs GPR:$Rn_wb),
2721 (ins GPR:$Rt, ldst_so_reg:$addr),
2722 IndexModePre, StFrm, iir,
2723 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2726 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2727 let Inst{19-16} = addr{16-13}; // Rn
2728 let Inst{11-0} = addr{11-0};
2729 let Inst{4} = 0; // Inst{4} = 0
2730 let DecoderMethod = "DecodeSTRPreReg";
2732 def _POST_REG : AI2ldstidx<0, isByte, 0, (outs GPR:$Rn_wb),
2733 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_reg:$offset),
2734 IndexModePost, StFrm, iir,
2735 opc, "\t$Rt, $addr, $offset",
2736 "$addr.base = $Rn_wb", []> {
2742 let Inst{23} = offset{12};
2743 let Inst{19-16} = addr;
2744 let Inst{11-0} = offset{11-0};
2747 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2750 def _POST_IMM : AI2ldstidx<0, isByte, 0, (outs GPR:$Rn_wb),
2751 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_imm:$offset),
2752 IndexModePost, StFrm, iii,
2753 opc, "\t$Rt, $addr, $offset",
2754 "$addr.base = $Rn_wb", []> {
2760 let Inst{23} = offset{12};
2761 let Inst{19-16} = addr;
2762 let Inst{11-0} = offset{11-0};
2764 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2768 let mayStore = 1, neverHasSideEffects = 1 in {
2769 // FIXME: for STR_PRE_REG etc. the itineray should be either IIC_iStore_ru or
2770 // IIC_iStore_siu depending on whether it the offset register is shifted.
2771 defm STR : AI2_stridx<0, "str", IIC_iStore_iu, IIC_iStore_ru>;
2772 defm STRB : AI2_stridx<1, "strb", IIC_iStore_bh_iu, IIC_iStore_bh_ru>;
2775 def : ARMPat<(post_store GPR:$Rt, addr_offset_none:$addr,
2776 am2offset_reg:$offset),
2777 (STR_POST_REG GPR:$Rt, addr_offset_none:$addr,
2778 am2offset_reg:$offset)>;
2779 def : ARMPat<(post_store GPR:$Rt, addr_offset_none:$addr,
2780 am2offset_imm:$offset),
2781 (STR_POST_IMM GPR:$Rt, addr_offset_none:$addr,
2782 am2offset_imm:$offset)>;
2783 def : ARMPat<(post_truncsti8 GPR:$Rt, addr_offset_none:$addr,
2784 am2offset_reg:$offset),
2785 (STRB_POST_REG GPR:$Rt, addr_offset_none:$addr,
2786 am2offset_reg:$offset)>;
2787 def : ARMPat<(post_truncsti8 GPR:$Rt, addr_offset_none:$addr,
2788 am2offset_imm:$offset),
2789 (STRB_POST_IMM GPR:$Rt, addr_offset_none:$addr,
2790 am2offset_imm:$offset)>;
2792 // Pseudo-instructions for pattern matching the pre-indexed stores. We can't
2793 // put the patterns on the instruction definitions directly as ISel wants
2794 // the address base and offset to be separate operands, not a single
2795 // complex operand like we represent the instructions themselves. The
2796 // pseudos map between the two.
2797 let usesCustomInserter = 1,
2798 Constraints = "$Rn = $Rn_wb,@earlyclobber $Rn_wb" in {
2799 def STRi_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2800 (ins GPR:$Rt, GPR:$Rn, am2offset_imm:$offset, pred:$p),
2803 (pre_store GPR:$Rt, GPR:$Rn, am2offset_imm:$offset))]>;
2804 def STRr_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2805 (ins GPR:$Rt, GPR:$Rn, am2offset_reg:$offset, pred:$p),
2808 (pre_store GPR:$Rt, GPR:$Rn, am2offset_reg:$offset))]>;
2809 def STRBi_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2810 (ins GPR:$Rt, GPR:$Rn, am2offset_imm:$offset, pred:$p),
2813 (pre_truncsti8 GPR:$Rt, GPR:$Rn, am2offset_imm:$offset))]>;
2814 def STRBr_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2815 (ins GPR:$Rt, GPR:$Rn, am2offset_reg:$offset, pred:$p),
2818 (pre_truncsti8 GPR:$Rt, GPR:$Rn, am2offset_reg:$offset))]>;
2819 def STRH_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2820 (ins GPR:$Rt, GPR:$Rn, am3offset:$offset, pred:$p),
2823 (pre_truncsti16 GPR:$Rt, GPR:$Rn, am3offset:$offset))]>;
2828 def STRH_PRE : AI3ldstidx<0b1011, 0, 1, (outs GPR:$Rn_wb),
2829 (ins GPR:$Rt, addrmode3_pre:$addr), IndexModePre,
2830 StMiscFrm, IIC_iStore_bh_ru,
2831 "strh", "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2833 let Inst{23} = addr{8}; // U bit
2834 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2835 let Inst{19-16} = addr{12-9}; // Rn
2836 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2837 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2838 let DecoderMethod = "DecodeAddrMode3Instruction";
2841 def STRH_POST : AI3ldstidx<0b1011, 0, 0, (outs GPR:$Rn_wb),
2842 (ins GPR:$Rt, addr_offset_none:$addr, am3offset:$offset),
2843 IndexModePost, StMiscFrm, IIC_iStore_bh_ru,
2844 "strh", "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb",
2845 [(set GPR:$Rn_wb, (post_truncsti16 GPR:$Rt,
2846 addr_offset_none:$addr,
2847 am3offset:$offset))]> {
2850 let Inst{23} = offset{8}; // U bit
2851 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2852 let Inst{19-16} = addr;
2853 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2854 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2855 let DecoderMethod = "DecodeAddrMode3Instruction";
2858 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in {
2859 def STRD_PRE : AI3ldstidx<0b1111, 0, 1, (outs GPR:$Rn_wb),
2860 (ins GPR:$Rt, GPR:$Rt2, addrmode3_pre:$addr),
2861 IndexModePre, StMiscFrm, IIC_iStore_d_ru,
2862 "strd", "\t$Rt, $Rt2, $addr!",
2863 "$addr.base = $Rn_wb", []> {
2865 let Inst{23} = addr{8}; // U bit
2866 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2867 let Inst{19-16} = addr{12-9}; // Rn
2868 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2869 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2870 let DecoderMethod = "DecodeAddrMode3Instruction";
2873 def STRD_POST: AI3ldstidx<0b1111, 0, 0, (outs GPR:$Rn_wb),
2874 (ins GPR:$Rt, GPR:$Rt2, addr_offset_none:$addr,
2876 IndexModePost, StMiscFrm, IIC_iStore_d_ru,
2877 "strd", "\t$Rt, $Rt2, $addr, $offset",
2878 "$addr.base = $Rn_wb", []> {
2881 let Inst{23} = offset{8}; // U bit
2882 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2883 let Inst{19-16} = addr;
2884 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2885 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2886 let DecoderMethod = "DecodeAddrMode3Instruction";
2888 } // mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1
2890 // STRT, STRBT, and STRHT
2892 def STRBT_POST_REG : AI2ldstidx<0, 1, 0, (outs GPR:$Rn_wb),
2893 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_reg:$offset),
2894 IndexModePost, StFrm, IIC_iStore_bh_ru,
2895 "strbt", "\t$Rt, $addr, $offset",
2896 "$addr.base = $Rn_wb", []> {
2902 let Inst{23} = offset{12};
2903 let Inst{21} = 1; // overwrite
2904 let Inst{19-16} = addr;
2905 let Inst{11-5} = offset{11-5};
2907 let Inst{3-0} = offset{3-0};
2908 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2912 : AI2ldstidx<0, 1, 0, (outs GPR:$Rn_wb),
2913 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_imm:$offset),
2914 IndexModePost, StFrm, IIC_iStore_bh_ru,
2915 "strbt", "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb", []> {
2921 let Inst{23} = offset{12};
2922 let Inst{21} = 1; // overwrite
2923 let Inst{19-16} = addr;
2924 let Inst{11-0} = offset{11-0};
2925 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2929 : ARMAsmPseudo<"strbt${q} $Rt, $addr",
2930 (ins GPR:$Rt, addr_offset_none:$addr, pred:$q)>;
2932 let mayStore = 1, neverHasSideEffects = 1 in {
2933 def STRT_POST_REG : AI2ldstidx<0, 0, 0, (outs GPR:$Rn_wb),
2934 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_reg:$offset),
2935 IndexModePost, StFrm, IIC_iStore_ru,
2936 "strt", "\t$Rt, $addr, $offset",
2937 "$addr.base = $Rn_wb", []> {
2943 let Inst{23} = offset{12};
2944 let Inst{21} = 1; // overwrite
2945 let Inst{19-16} = addr;
2946 let Inst{11-5} = offset{11-5};
2948 let Inst{3-0} = offset{3-0};
2949 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2953 : AI2ldstidx<0, 0, 0, (outs GPR:$Rn_wb),
2954 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_imm:$offset),
2955 IndexModePost, StFrm, IIC_iStore_ru,
2956 "strt", "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb", []> {
2962 let Inst{23} = offset{12};
2963 let Inst{21} = 1; // overwrite
2964 let Inst{19-16} = addr;
2965 let Inst{11-0} = offset{11-0};
2966 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2971 : ARMAsmPseudo<"strt${q} $Rt, $addr",
2972 (ins GPR:$Rt, addr_offset_none:$addr, pred:$q)>;
2974 multiclass AI3strT<bits<4> op, string opc> {
2975 def i : AI3ldstidxT<op, 0, (outs GPR:$base_wb),
2976 (ins GPR:$Rt, addr_offset_none:$addr, postidx_imm8:$offset),
2977 IndexModePost, StMiscFrm, IIC_iStore_bh_ru, opc,
2978 "\t$Rt, $addr, $offset", "$addr.base = $base_wb", []> {
2980 let Inst{23} = offset{8};
2982 let Inst{11-8} = offset{7-4};
2983 let Inst{3-0} = offset{3-0};
2985 def r : AI3ldstidxT<op, 0, (outs GPR:$base_wb),
2986 (ins GPR:$Rt, addr_offset_none:$addr, postidx_reg:$Rm),
2987 IndexModePost, StMiscFrm, IIC_iStore_bh_ru, opc,
2988 "\t$Rt, $addr, $Rm", "$addr.base = $base_wb", []> {
2990 let Inst{23} = Rm{4};
2993 let Inst{3-0} = Rm{3-0};
2998 defm STRHT : AI3strT<0b1011, "strht">;
3000 def STL : AIstrrel<0b00, (outs), (ins GPR:$Rt, addr_offset_none:$addr),
3001 NoItinerary, "stl", "\t$Rt, $addr", []>;
3002 def STLB : AIstrrel<0b10, (outs), (ins GPR:$Rt, addr_offset_none:$addr),
3003 NoItinerary, "stlb", "\t$Rt, $addr", []>;
3004 def STLH : AIstrrel<0b11, (outs), (ins GPR:$Rt, addr_offset_none:$addr),
3005 NoItinerary, "stlh", "\t$Rt, $addr", []>;
3007 //===----------------------------------------------------------------------===//
3008 // Load / store multiple Instructions.
3011 multiclass arm_ldst_mult<string asm, string sfx, bit L_bit, bit P_bit, Format f,
3012 InstrItinClass itin, InstrItinClass itin_upd> {
3013 // IA is the default, so no need for an explicit suffix on the
3014 // mnemonic here. Without it is the canonical spelling.
3016 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
3017 IndexModeNone, f, itin,
3018 !strconcat(asm, "${p}\t$Rn, $regs", sfx), "", []> {
3019 let Inst{24-23} = 0b01; // Increment After
3020 let Inst{22} = P_bit;
3021 let Inst{21} = 0; // No writeback
3022 let Inst{20} = L_bit;
3025 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
3026 IndexModeUpd, f, itin_upd,
3027 !strconcat(asm, "${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
3028 let Inst{24-23} = 0b01; // Increment After
3029 let Inst{22} = P_bit;
3030 let Inst{21} = 1; // Writeback
3031 let Inst{20} = L_bit;
3033 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
3036 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
3037 IndexModeNone, f, itin,
3038 !strconcat(asm, "da${p}\t$Rn, $regs", sfx), "", []> {
3039 let Inst{24-23} = 0b00; // Decrement After
3040 let Inst{22} = P_bit;
3041 let Inst{21} = 0; // No writeback
3042 let Inst{20} = L_bit;
3045 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
3046 IndexModeUpd, f, itin_upd,
3047 !strconcat(asm, "da${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
3048 let Inst{24-23} = 0b00; // Decrement After
3049 let Inst{22} = P_bit;
3050 let Inst{21} = 1; // Writeback
3051 let Inst{20} = L_bit;
3053 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
3056 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
3057 IndexModeNone, f, itin,
3058 !strconcat(asm, "db${p}\t$Rn, $regs", sfx), "", []> {
3059 let Inst{24-23} = 0b10; // Decrement Before
3060 let Inst{22} = P_bit;
3061 let Inst{21} = 0; // No writeback
3062 let Inst{20} = L_bit;
3065 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
3066 IndexModeUpd, f, itin_upd,
3067 !strconcat(asm, "db${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
3068 let Inst{24-23} = 0b10; // Decrement Before
3069 let Inst{22} = P_bit;
3070 let Inst{21} = 1; // Writeback
3071 let Inst{20} = L_bit;
3073 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
3076 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
3077 IndexModeNone, f, itin,
3078 !strconcat(asm, "ib${p}\t$Rn, $regs", sfx), "", []> {
3079 let Inst{24-23} = 0b11; // Increment Before
3080 let Inst{22} = P_bit;
3081 let Inst{21} = 0; // No writeback
3082 let Inst{20} = L_bit;
3085 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
3086 IndexModeUpd, f, itin_upd,
3087 !strconcat(asm, "ib${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
3088 let Inst{24-23} = 0b11; // Increment Before
3089 let Inst{22} = P_bit;
3090 let Inst{21} = 1; // Writeback
3091 let Inst{20} = L_bit;
3093 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
3097 let neverHasSideEffects = 1 in {
3099 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
3100 defm LDM : arm_ldst_mult<"ldm", "", 1, 0, LdStMulFrm, IIC_iLoad_m,
3103 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
3104 defm STM : arm_ldst_mult<"stm", "", 0, 0, LdStMulFrm, IIC_iStore_m,
3107 } // neverHasSideEffects
3109 // FIXME: remove when we have a way to marking a MI with these properties.
3110 // FIXME: Should pc be an implicit operand like PICADD, etc?
3111 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
3112 hasExtraDefRegAllocReq = 1, isCodeGenOnly = 1 in
3113 def LDMIA_RET : ARMPseudoExpand<(outs GPR:$wb), (ins GPR:$Rn, pred:$p,
3114 reglist:$regs, variable_ops),
3115 4, IIC_iLoad_mBr, [],
3116 (LDMIA_UPD GPR:$wb, GPR:$Rn, pred:$p, reglist:$regs)>,
3117 RegConstraint<"$Rn = $wb">;
3119 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
3120 defm sysLDM : arm_ldst_mult<"ldm", " ^", 1, 1, LdStMulFrm, IIC_iLoad_m,
3123 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
3124 defm sysSTM : arm_ldst_mult<"stm", " ^", 0, 1, LdStMulFrm, IIC_iStore_m,
3129 //===----------------------------------------------------------------------===//
3130 // Move Instructions.
3133 let neverHasSideEffects = 1 in
3134 def MOVr : AsI1<0b1101, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMOVr,
3135 "mov", "\t$Rd, $Rm", []>, UnaryDP, Sched<[WriteALU]> {
3139 let Inst{19-16} = 0b0000;
3140 let Inst{11-4} = 0b00000000;
3143 let Inst{15-12} = Rd;
3146 // A version for the smaller set of tail call registers.
3147 let neverHasSideEffects = 1 in
3148 def MOVr_TC : AsI1<0b1101, (outs tcGPR:$Rd), (ins tcGPR:$Rm), DPFrm,
3149 IIC_iMOVr, "mov", "\t$Rd, $Rm", []>, UnaryDP, Sched<[WriteALU]> {
3153 let Inst{11-4} = 0b00000000;
3156 let Inst{15-12} = Rd;
3159 def MOVsr : AsI1<0b1101, (outs GPRnopc:$Rd), (ins shift_so_reg_reg:$src),
3160 DPSoRegRegFrm, IIC_iMOVsr,
3161 "mov", "\t$Rd, $src",
3162 [(set GPRnopc:$Rd, shift_so_reg_reg:$src)]>, UnaryDP,
3166 let Inst{15-12} = Rd;
3167 let Inst{19-16} = 0b0000;
3168 let Inst{11-8} = src{11-8};
3170 let Inst{6-5} = src{6-5};
3172 let Inst{3-0} = src{3-0};
3176 def MOVsi : AsI1<0b1101, (outs GPR:$Rd), (ins shift_so_reg_imm:$src),
3177 DPSoRegImmFrm, IIC_iMOVsr,
3178 "mov", "\t$Rd, $src", [(set GPR:$Rd, shift_so_reg_imm:$src)]>,
3179 UnaryDP, Sched<[WriteALU]> {
3182 let Inst{15-12} = Rd;
3183 let Inst{19-16} = 0b0000;
3184 let Inst{11-5} = src{11-5};
3186 let Inst{3-0} = src{3-0};
3190 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
3191 def MOVi : AsI1<0b1101, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm, IIC_iMOVi,
3192 "mov", "\t$Rd, $imm", [(set GPR:$Rd, so_imm:$imm)]>, UnaryDP,
3197 let Inst{15-12} = Rd;
3198 let Inst{19-16} = 0b0000;
3199 let Inst{11-0} = imm;
3202 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
3203 def MOVi16 : AI1<0b1000, (outs GPR:$Rd), (ins imm0_65535_expr:$imm),
3205 "movw", "\t$Rd, $imm",
3206 [(set GPR:$Rd, imm0_65535:$imm)]>,
3207 Requires<[IsARM, HasV6T2]>, UnaryDP, Sched<[WriteALU]> {
3210 let Inst{15-12} = Rd;
3211 let Inst{11-0} = imm{11-0};
3212 let Inst{19-16} = imm{15-12};
3215 let DecoderMethod = "DecodeArmMOVTWInstruction";
3218 def : InstAlias<"mov${p} $Rd, $imm",
3219 (MOVi16 GPR:$Rd, imm0_65535_expr:$imm, pred:$p)>,
3222 def MOVi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
3223 (ins i32imm:$addr, pclabel:$id), IIC_iMOVi, []>,
3226 let Constraints = "$src = $Rd" in {
3227 def MOVTi16 : AI1<0b1010, (outs GPRnopc:$Rd),
3228 (ins GPR:$src, imm0_65535_expr:$imm),
3230 "movt", "\t$Rd, $imm",
3232 (or (and GPR:$src, 0xffff),
3233 lo16AllZero:$imm))]>, UnaryDP,
3234 Requires<[IsARM, HasV6T2]>, Sched<[WriteALU]> {
3237 let Inst{15-12} = Rd;
3238 let Inst{11-0} = imm{11-0};
3239 let Inst{19-16} = imm{15-12};
3242 let DecoderMethod = "DecodeArmMOVTWInstruction";
3245 def MOVTi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
3246 (ins GPR:$src, i32imm:$addr, pclabel:$id), IIC_iMOVi, []>,
3251 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
3252 Requires<[IsARM, HasV6T2]>;
3254 let Uses = [CPSR] in
3255 def RRX: PseudoInst<(outs GPR:$Rd), (ins GPR:$Rm), IIC_iMOVsi,
3256 [(set GPR:$Rd, (ARMrrx GPR:$Rm))]>, UnaryDP,
3257 Requires<[IsARM]>, Sched<[WriteALU]>;
3259 // These aren't really mov instructions, but we have to define them this way
3260 // due to flag operands.
3262 let Defs = [CPSR] in {
3263 def MOVsrl_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
3264 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP,
3265 Sched<[WriteALU]>, Requires<[IsARM]>;
3266 def MOVsra_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
3267 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP,
3268 Sched<[WriteALU]>, Requires<[IsARM]>;
3271 //===----------------------------------------------------------------------===//
3272 // Extend Instructions.
3277 def SXTB : AI_ext_rrot<0b01101010,
3278 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
3279 def SXTH : AI_ext_rrot<0b01101011,
3280 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
3282 def SXTAB : AI_exta_rrot<0b01101010,
3283 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
3284 def SXTAH : AI_exta_rrot<0b01101011,
3285 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
3287 def SXTB16 : AI_ext_rrot_np<0b01101000, "sxtb16">;
3289 def SXTAB16 : AI_exta_rrot_np<0b01101000, "sxtab16">;
3293 let AddedComplexity = 16 in {
3294 def UXTB : AI_ext_rrot<0b01101110,
3295 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
3296 def UXTH : AI_ext_rrot<0b01101111,
3297 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
3298 def UXTB16 : AI_ext_rrot<0b01101100,
3299 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
3301 // FIXME: This pattern incorrectly assumes the shl operator is a rotate.
3302 // The transformation should probably be done as a combiner action
3303 // instead so we can include a check for masking back in the upper
3304 // eight bits of the source into the lower eight bits of the result.
3305 //def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
3306 // (UXTB16r_rot GPR:$Src, 3)>;
3307 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
3308 (UXTB16 GPR:$Src, 1)>;
3310 def UXTAB : AI_exta_rrot<0b01101110, "uxtab",
3311 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
3312 def UXTAH : AI_exta_rrot<0b01101111, "uxtah",
3313 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
3316 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
3317 def UXTAB16 : AI_exta_rrot_np<0b01101100, "uxtab16">;
3320 def SBFX : I<(outs GPRnopc:$Rd),
3321 (ins GPRnopc:$Rn, imm0_31:$lsb, imm1_32:$width),
3322 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3323 "sbfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
3324 Requires<[IsARM, HasV6T2]> {
3329 let Inst{27-21} = 0b0111101;
3330 let Inst{6-4} = 0b101;
3331 let Inst{20-16} = width;
3332 let Inst{15-12} = Rd;
3333 let Inst{11-7} = lsb;
3337 def UBFX : I<(outs GPRnopc:$Rd),
3338 (ins GPRnopc:$Rn, imm0_31:$lsb, imm1_32:$width),
3339 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3340 "ubfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
3341 Requires<[IsARM, HasV6T2]> {
3346 let Inst{27-21} = 0b0111111;
3347 let Inst{6-4} = 0b101;
3348 let Inst{20-16} = width;
3349 let Inst{15-12} = Rd;
3350 let Inst{11-7} = lsb;
3354 //===----------------------------------------------------------------------===//
3355 // Arithmetic Instructions.
3358 defm ADD : AsI1_bin_irs<0b0100, "add",
3359 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3360 BinOpFrag<(add node:$LHS, node:$RHS)>, 1>;
3361 defm SUB : AsI1_bin_irs<0b0010, "sub",
3362 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3363 BinOpFrag<(sub node:$LHS, node:$RHS)>>;
3365 // ADD and SUB with 's' bit set.
3367 // Currently, ADDS/SUBS are pseudo opcodes that exist only in the
3368 // selection DAG. They are "lowered" to real ADD/SUB opcodes by
3369 // AdjustInstrPostInstrSelection where we determine whether or not to
3370 // set the "s" bit based on CPSR liveness.
3372 // FIXME: Eliminate ADDS/SUBS pseudo opcodes after adding tablegen
3373 // support for an optional CPSR definition that corresponds to the DAG
3374 // node's second value. We can then eliminate the implicit def of CPSR.
3375 defm ADDS : AsI1_bin_s_irs<IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3376 BinOpFrag<(ARMaddc node:$LHS, node:$RHS)>, 1>;
3377 defm SUBS : AsI1_bin_s_irs<IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3378 BinOpFrag<(ARMsubc node:$LHS, node:$RHS)>>;
3380 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
3381 BinOpWithFlagFrag<(ARMadde node:$LHS, node:$RHS, node:$FLAG)>, 1>;
3382 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
3383 BinOpWithFlagFrag<(ARMsube node:$LHS, node:$RHS, node:$FLAG)>>;
3385 defm RSB : AsI1_rbin_irs<0b0011, "rsb",
3386 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3387 BinOpFrag<(sub node:$LHS, node:$RHS)>>;
3389 // FIXME: Eliminate them if we can write def : Pat patterns which defines
3390 // CPSR and the implicit def of CPSR is not needed.
3391 defm RSBS : AsI1_rbin_s_is<IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3392 BinOpFrag<(ARMsubc node:$LHS, node:$RHS)>>;
3394 defm RSC : AI1_rsc_irs<0b0111, "rsc",
3395 BinOpWithFlagFrag<(ARMsube node:$LHS, node:$RHS, node:$FLAG)>>;
3397 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
3398 // The assume-no-carry-in form uses the negation of the input since add/sub
3399 // assume opposite meanings of the carry flag (i.e., carry == !borrow).
3400 // See the definition of AddWithCarry() in the ARM ARM A2.2.1 for the gory
3402 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
3403 (SUBri GPR:$src, so_imm_neg:$imm)>;
3404 def : ARMPat<(ARMaddc GPR:$src, so_imm_neg:$imm),
3405 (SUBSri GPR:$src, so_imm_neg:$imm)>;
3407 def : ARMPat<(add GPR:$src, imm0_65535_neg:$imm),
3408 (SUBrr GPR:$src, (MOVi16 (imm_neg_XFORM imm:$imm)))>,
3409 Requires<[IsARM, HasV6T2]>;
3410 def : ARMPat<(ARMaddc GPR:$src, imm0_65535_neg:$imm),
3411 (SUBSrr GPR:$src, (MOVi16 (imm_neg_XFORM imm:$imm)))>,
3412 Requires<[IsARM, HasV6T2]>;
3414 // The with-carry-in form matches bitwise not instead of the negation.
3415 // Effectively, the inverse interpretation of the carry flag already accounts
3416 // for part of the negation.
3417 def : ARMPat<(ARMadde GPR:$src, so_imm_not:$imm, CPSR),
3418 (SBCri GPR:$src, so_imm_not:$imm)>;
3419 def : ARMPat<(ARMadde GPR:$src, imm0_65535_neg:$imm, CPSR),
3420 (SBCrr GPR:$src, (MOVi16 (imm_not_XFORM imm:$imm)))>;
3422 // Note: These are implemented in C++ code, because they have to generate
3423 // ADD/SUBrs instructions, which use a complex pattern that a xform function
3425 // (mul X, 2^n+1) -> (add (X << n), X)
3426 // (mul X, 2^n-1) -> (rsb X, (X << n))
3428 // ARM Arithmetic Instruction
3429 // GPR:$dst = GPR:$a op GPR:$b
3430 class AAI<bits<8> op27_20, bits<8> op11_4, string opc,
3431 list<dag> pattern = [],
3432 dag iops = (ins GPRnopc:$Rn, GPRnopc:$Rm),
3433 string asm = "\t$Rd, $Rn, $Rm">
3434 : AI<(outs GPRnopc:$Rd), iops, DPFrm, IIC_iALUr, opc, asm, pattern>,
3435 Sched<[WriteALU, ReadALU, ReadALU]> {
3439 let Inst{27-20} = op27_20;
3440 let Inst{11-4} = op11_4;
3441 let Inst{19-16} = Rn;
3442 let Inst{15-12} = Rd;
3445 let Unpredictable{11-8} = 0b1111;
3448 // Saturating add/subtract
3450 let DecoderMethod = "DecodeQADDInstruction" in
3451 def QADD : AAI<0b00010000, 0b00000101, "qadd",
3452 [(set GPRnopc:$Rd, (int_arm_qadd GPRnopc:$Rm, GPRnopc:$Rn))],
3453 (ins GPRnopc:$Rm, GPRnopc:$Rn), "\t$Rd, $Rm, $Rn">;
3455 def QSUB : AAI<0b00010010, 0b00000101, "qsub",
3456 [(set GPRnopc:$Rd, (int_arm_qsub GPRnopc:$Rm, GPRnopc:$Rn))],
3457 (ins GPRnopc:$Rm, GPRnopc:$Rn), "\t$Rd, $Rm, $Rn">;
3458 def QDADD : AAI<0b00010100, 0b00000101, "qdadd", [],
3459 (ins GPRnopc:$Rm, GPRnopc:$Rn),
3461 def QDSUB : AAI<0b00010110, 0b00000101, "qdsub", [],
3462 (ins GPRnopc:$Rm, GPRnopc:$Rn),
3465 def QADD16 : AAI<0b01100010, 0b11110001, "qadd16">;
3466 def QADD8 : AAI<0b01100010, 0b11111001, "qadd8">;
3467 def QASX : AAI<0b01100010, 0b11110011, "qasx">;
3468 def QSAX : AAI<0b01100010, 0b11110101, "qsax">;
3469 def QSUB16 : AAI<0b01100010, 0b11110111, "qsub16">;
3470 def QSUB8 : AAI<0b01100010, 0b11111111, "qsub8">;
3471 def UQADD16 : AAI<0b01100110, 0b11110001, "uqadd16">;
3472 def UQADD8 : AAI<0b01100110, 0b11111001, "uqadd8">;
3473 def UQASX : AAI<0b01100110, 0b11110011, "uqasx">;
3474 def UQSAX : AAI<0b01100110, 0b11110101, "uqsax">;
3475 def UQSUB16 : AAI<0b01100110, 0b11110111, "uqsub16">;
3476 def UQSUB8 : AAI<0b01100110, 0b11111111, "uqsub8">;
3478 // Signed/Unsigned add/subtract
3480 def SASX : AAI<0b01100001, 0b11110011, "sasx">;
3481 def SADD16 : AAI<0b01100001, 0b11110001, "sadd16">;
3482 def SADD8 : AAI<0b01100001, 0b11111001, "sadd8">;
3483 def SSAX : AAI<0b01100001, 0b11110101, "ssax">;
3484 def SSUB16 : AAI<0b01100001, 0b11110111, "ssub16">;
3485 def SSUB8 : AAI<0b01100001, 0b11111111, "ssub8">;
3486 def UASX : AAI<0b01100101, 0b11110011, "uasx">;
3487 def UADD16 : AAI<0b01100101, 0b11110001, "uadd16">;
3488 def UADD8 : AAI<0b01100101, 0b11111001, "uadd8">;
3489 def USAX : AAI<0b01100101, 0b11110101, "usax">;
3490 def USUB16 : AAI<0b01100101, 0b11110111, "usub16">;
3491 def USUB8 : AAI<0b01100101, 0b11111111, "usub8">;
3493 // Signed/Unsigned halving add/subtract
3495 def SHASX : AAI<0b01100011, 0b11110011, "shasx">;
3496 def SHADD16 : AAI<0b01100011, 0b11110001, "shadd16">;
3497 def SHADD8 : AAI<0b01100011, 0b11111001, "shadd8">;
3498 def SHSAX : AAI<0b01100011, 0b11110101, "shsax">;
3499 def SHSUB16 : AAI<0b01100011, 0b11110111, "shsub16">;
3500 def SHSUB8 : AAI<0b01100011, 0b11111111, "shsub8">;
3501 def UHASX : AAI<0b01100111, 0b11110011, "uhasx">;
3502 def UHADD16 : AAI<0b01100111, 0b11110001, "uhadd16">;
3503 def UHADD8 : AAI<0b01100111, 0b11111001, "uhadd8">;
3504 def UHSAX : AAI<0b01100111, 0b11110101, "uhsax">;
3505 def UHSUB16 : AAI<0b01100111, 0b11110111, "uhsub16">;
3506 def UHSUB8 : AAI<0b01100111, 0b11111111, "uhsub8">;
3508 // Unsigned Sum of Absolute Differences [and Accumulate].
3510 def USAD8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3511 MulFrm /* for convenience */, NoItinerary, "usad8",
3512 "\t$Rd, $Rn, $Rm", []>,
3513 Requires<[IsARM, HasV6]>, Sched<[WriteALU, ReadALU, ReadALU]> {
3517 let Inst{27-20} = 0b01111000;
3518 let Inst{15-12} = 0b1111;
3519 let Inst{7-4} = 0b0001;
3520 let Inst{19-16} = Rd;
3521 let Inst{11-8} = Rm;
3524 def USADA8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3525 MulFrm /* for convenience */, NoItinerary, "usada8",
3526 "\t$Rd, $Rn, $Rm, $Ra", []>,
3527 Requires<[IsARM, HasV6]>, Sched<[WriteALU, ReadALU, ReadALU]>{
3532 let Inst{27-20} = 0b01111000;
3533 let Inst{7-4} = 0b0001;
3534 let Inst{19-16} = Rd;
3535 let Inst{15-12} = Ra;
3536 let Inst{11-8} = Rm;
3540 // Signed/Unsigned saturate
3542 def SSAT : AI<(outs GPRnopc:$Rd),
3543 (ins imm1_32:$sat_imm, GPRnopc:$Rn, shift_imm:$sh),
3544 SatFrm, NoItinerary, "ssat", "\t$Rd, $sat_imm, $Rn$sh", []> {
3549 let Inst{27-21} = 0b0110101;
3550 let Inst{5-4} = 0b01;
3551 let Inst{20-16} = sat_imm;
3552 let Inst{15-12} = Rd;
3553 let Inst{11-7} = sh{4-0};
3554 let Inst{6} = sh{5};
3558 def SSAT16 : AI<(outs GPRnopc:$Rd),
3559 (ins imm1_16:$sat_imm, GPRnopc:$Rn), SatFrm,
3560 NoItinerary, "ssat16", "\t$Rd, $sat_imm, $Rn", []> {
3564 let Inst{27-20} = 0b01101010;
3565 let Inst{11-4} = 0b11110011;
3566 let Inst{15-12} = Rd;
3567 let Inst{19-16} = sat_imm;
3571 def USAT : AI<(outs GPRnopc:$Rd),
3572 (ins imm0_31:$sat_imm, GPRnopc:$Rn, shift_imm:$sh),
3573 SatFrm, NoItinerary, "usat", "\t$Rd, $sat_imm, $Rn$sh", []> {
3578 let Inst{27-21} = 0b0110111;
3579 let Inst{5-4} = 0b01;
3580 let Inst{15-12} = Rd;
3581 let Inst{11-7} = sh{4-0};
3582 let Inst{6} = sh{5};
3583 let Inst{20-16} = sat_imm;
3587 def USAT16 : AI<(outs GPRnopc:$Rd),
3588 (ins imm0_15:$sat_imm, GPRnopc:$Rn), SatFrm,
3589 NoItinerary, "usat16", "\t$Rd, $sat_imm, $Rn", []> {
3593 let Inst{27-20} = 0b01101110;
3594 let Inst{11-4} = 0b11110011;
3595 let Inst{15-12} = Rd;
3596 let Inst{19-16} = sat_imm;
3600 def : ARMV6Pat<(int_arm_ssat GPRnopc:$a, imm:$pos),
3601 (SSAT imm:$pos, GPRnopc:$a, 0)>;
3602 def : ARMV6Pat<(int_arm_usat GPRnopc:$a, imm:$pos),
3603 (USAT imm:$pos, GPRnopc:$a, 0)>;
3605 //===----------------------------------------------------------------------===//
3606 // Bitwise Instructions.
3609 defm AND : AsI1_bin_irs<0b0000, "and",
3610 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3611 BinOpFrag<(and node:$LHS, node:$RHS)>, 1>;
3612 defm ORR : AsI1_bin_irs<0b1100, "orr",
3613 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3614 BinOpFrag<(or node:$LHS, node:$RHS)>, 1>;
3615 defm EOR : AsI1_bin_irs<0b0001, "eor",
3616 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3617 BinOpFrag<(xor node:$LHS, node:$RHS)>, 1>;
3618 defm BIC : AsI1_bin_irs<0b1110, "bic",
3619 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3620 BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
3622 // FIXME: bf_inv_mask_imm should be two operands, the lsb and the msb, just
3623 // like in the actual instruction encoding. The complexity of mapping the mask
3624 // to the lsb/msb pair should be handled by ISel, not encapsulated in the
3625 // instruction description.
3626 def BFC : I<(outs GPR:$Rd), (ins GPR:$src, bf_inv_mask_imm:$imm),
3627 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3628 "bfc", "\t$Rd, $imm", "$src = $Rd",
3629 [(set GPR:$Rd, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
3630 Requires<[IsARM, HasV6T2]> {
3633 let Inst{27-21} = 0b0111110;
3634 let Inst{6-0} = 0b0011111;
3635 let Inst{15-12} = Rd;
3636 let Inst{11-7} = imm{4-0}; // lsb
3637 let Inst{20-16} = imm{9-5}; // msb
3640 // A8.6.18 BFI - Bitfield insert (Encoding A1)
3641 def BFI:I<(outs GPRnopc:$Rd), (ins GPRnopc:$src, GPR:$Rn, bf_inv_mask_imm:$imm),
3642 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3643 "bfi", "\t$Rd, $Rn, $imm", "$src = $Rd",
3644 [(set GPRnopc:$Rd, (ARMbfi GPRnopc:$src, GPR:$Rn,
3645 bf_inv_mask_imm:$imm))]>,
3646 Requires<[IsARM, HasV6T2]> {
3650 let Inst{27-21} = 0b0111110;
3651 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
3652 let Inst{15-12} = Rd;
3653 let Inst{11-7} = imm{4-0}; // lsb
3654 let Inst{20-16} = imm{9-5}; // width
3658 def MVNr : AsI1<0b1111, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMVNr,
3659 "mvn", "\t$Rd, $Rm",
3660 [(set GPR:$Rd, (not GPR:$Rm))]>, UnaryDP, Sched<[WriteALU]> {
3664 let Inst{19-16} = 0b0000;
3665 let Inst{11-4} = 0b00000000;
3666 let Inst{15-12} = Rd;
3669 def MVNsi : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg_imm:$shift),
3670 DPSoRegImmFrm, IIC_iMVNsr, "mvn", "\t$Rd, $shift",
3671 [(set GPR:$Rd, (not so_reg_imm:$shift))]>, UnaryDP,
3676 let Inst{19-16} = 0b0000;
3677 let Inst{15-12} = Rd;
3678 let Inst{11-5} = shift{11-5};
3680 let Inst{3-0} = shift{3-0};
3682 def MVNsr : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg_reg:$shift),
3683 DPSoRegRegFrm, IIC_iMVNsr, "mvn", "\t$Rd, $shift",
3684 [(set GPR:$Rd, (not so_reg_reg:$shift))]>, UnaryDP,
3689 let Inst{19-16} = 0b0000;
3690 let Inst{15-12} = Rd;
3691 let Inst{11-8} = shift{11-8};
3693 let Inst{6-5} = shift{6-5};
3695 let Inst{3-0} = shift{3-0};
3697 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
3698 def MVNi : AsI1<0b1111, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm,
3699 IIC_iMVNi, "mvn", "\t$Rd, $imm",
3700 [(set GPR:$Rd, so_imm_not:$imm)]>,UnaryDP, Sched<[WriteALU]> {
3704 let Inst{19-16} = 0b0000;
3705 let Inst{15-12} = Rd;
3706 let Inst{11-0} = imm;
3709 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
3710 (BICri GPR:$src, so_imm_not:$imm)>;
3712 //===----------------------------------------------------------------------===//
3713 // Multiply Instructions.
3715 class AsMul1I32<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
3716 string opc, string asm, list<dag> pattern>
3717 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
3721 let Inst{19-16} = Rd;
3722 let Inst{11-8} = Rm;
3725 class AsMul1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
3726 string opc, string asm, list<dag> pattern>
3727 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
3732 let Inst{19-16} = RdHi;
3733 let Inst{15-12} = RdLo;
3734 let Inst{11-8} = Rm;
3737 class AsMla1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
3738 string opc, string asm, list<dag> pattern>
3739 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
3744 let Inst{19-16} = RdHi;
3745 let Inst{15-12} = RdLo;
3746 let Inst{11-8} = Rm;
3750 // FIXME: The v5 pseudos are only necessary for the additional Constraint
3751 // property. Remove them when it's possible to add those properties
3752 // on an individual MachineInstr, not just an instruction description.
3753 let isCommutable = 1, TwoOperandAliasConstraint = "$Rn = $Rd" in {
3754 def MUL : AsMul1I32<0b0000000, (outs GPRnopc:$Rd),
3755 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3756 IIC_iMUL32, "mul", "\t$Rd, $Rn, $Rm",
3757 [(set GPRnopc:$Rd, (mul GPRnopc:$Rn, GPRnopc:$Rm))]>,
3758 Requires<[IsARM, HasV6]> {
3759 let Inst{15-12} = 0b0000;
3760 let Unpredictable{15-12} = 0b1111;
3763 let Constraints = "@earlyclobber $Rd" in
3764 def MULv5: ARMPseudoExpand<(outs GPRnopc:$Rd), (ins GPRnopc:$Rn, GPRnopc:$Rm,
3765 pred:$p, cc_out:$s),
3767 [(set GPRnopc:$Rd, (mul GPRnopc:$Rn, GPRnopc:$Rm))],
3768 (MUL GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p, cc_out:$s)>,
3769 Requires<[IsARM, NoV6, UseMulOps]>;
3772 def MLA : AsMul1I32<0b0000001, (outs GPRnopc:$Rd),
3773 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$Ra),
3774 IIC_iMAC32, "mla", "\t$Rd, $Rn, $Rm, $Ra",
3775 [(set GPRnopc:$Rd, (add (mul GPRnopc:$Rn, GPRnopc:$Rm), GPRnopc:$Ra))]>,
3776 Requires<[IsARM, HasV6, UseMulOps]> {
3778 let Inst{15-12} = Ra;
3781 let Constraints = "@earlyclobber $Rd" in
3782 def MLAv5: ARMPseudoExpand<(outs GPRnopc:$Rd),
3783 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$Ra,
3784 pred:$p, cc_out:$s), 4, IIC_iMAC32,
3785 [(set GPRnopc:$Rd, (add (mul GPRnopc:$Rn, GPRnopc:$Rm), GPRnopc:$Ra))],
3786 (MLA GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$Ra, pred:$p, cc_out:$s)>,
3787 Requires<[IsARM, NoV6]>;
3789 def MLS : AMul1I<0b0000011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3790 IIC_iMAC32, "mls", "\t$Rd, $Rn, $Rm, $Ra",
3791 [(set GPR:$Rd, (sub GPR:$Ra, (mul GPR:$Rn, GPR:$Rm)))]>,
3792 Requires<[IsARM, HasV6T2, UseMulOps]> {
3797 let Inst{19-16} = Rd;
3798 let Inst{15-12} = Ra;
3799 let Inst{11-8} = Rm;
3803 // Extra precision multiplies with low / high results
3804 let neverHasSideEffects = 1 in {
3805 let isCommutable = 1 in {
3806 def SMULL : AsMul1I64<0b0000110, (outs GPR:$RdLo, GPR:$RdHi),
3807 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
3808 "smull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3809 Requires<[IsARM, HasV6]>;
3811 def UMULL : AsMul1I64<0b0000100, (outs GPR:$RdLo, GPR:$RdHi),
3812 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
3813 "umull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3814 Requires<[IsARM, HasV6]>;
3816 let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
3817 def SMULLv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3818 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
3820 (SMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3821 Requires<[IsARM, NoV6]>;
3823 def UMULLv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3824 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
3826 (UMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3827 Requires<[IsARM, NoV6]>;
3831 // Multiply + accumulate
3832 def SMLAL : AsMla1I64<0b0000111, (outs GPR:$RdLo, GPR:$RdHi),
3833 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi), IIC_iMAC64,
3834 "smlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3835 RegConstraint<"$RLo = $RdLo, $RHi = $RdHi">, Requires<[IsARM, HasV6]>;
3836 def UMLAL : AsMla1I64<0b0000101, (outs GPR:$RdLo, GPR:$RdHi),
3837 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi), IIC_iMAC64,
3838 "umlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3839 RegConstraint<"$RLo = $RdLo, $RHi = $RdHi">, Requires<[IsARM, HasV6]>;
3841 def UMAAL : AMul1I <0b0000010, (outs GPR:$RdLo, GPR:$RdHi),
3842 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
3843 "umaal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3844 Requires<[IsARM, HasV6]> {
3849 let Inst{19-16} = RdHi;
3850 let Inst{15-12} = RdLo;
3851 let Inst{11-8} = Rm;
3856 "@earlyclobber $RdLo,@earlyclobber $RdHi,$RLo = $RdLo,$RHi = $RdHi" in {
3857 def SMLALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3858 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi, pred:$p, cc_out:$s),
3860 (SMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi,
3861 pred:$p, cc_out:$s)>,
3862 Requires<[IsARM, NoV6]>;
3863 def UMLALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3864 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi, pred:$p, cc_out:$s),
3866 (UMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi,
3867 pred:$p, cc_out:$s)>,
3868 Requires<[IsARM, NoV6]>;
3871 } // neverHasSideEffects
3873 // Most significant word multiply
3874 def SMMUL : AMul2I <0b0111010, 0b0001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3875 IIC_iMUL32, "smmul", "\t$Rd, $Rn, $Rm",
3876 [(set GPR:$Rd, (mulhs GPR:$Rn, GPR:$Rm))]>,
3877 Requires<[IsARM, HasV6]> {
3878 let Inst{15-12} = 0b1111;
3881 def SMMULR : AMul2I <0b0111010, 0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3882 IIC_iMUL32, "smmulr", "\t$Rd, $Rn, $Rm", []>,
3883 Requires<[IsARM, HasV6]> {
3884 let Inst{15-12} = 0b1111;
3887 def SMMLA : AMul2Ia <0b0111010, 0b0001, (outs GPR:$Rd),
3888 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3889 IIC_iMAC32, "smmla", "\t$Rd, $Rn, $Rm, $Ra",
3890 [(set GPR:$Rd, (add (mulhs GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
3891 Requires<[IsARM, HasV6, UseMulOps]>;
3893 def SMMLAR : AMul2Ia <0b0111010, 0b0011, (outs GPR:$Rd),
3894 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3895 IIC_iMAC32, "smmlar", "\t$Rd, $Rn, $Rm, $Ra", []>,
3896 Requires<[IsARM, HasV6]>;
3898 def SMMLS : AMul2Ia <0b0111010, 0b1101, (outs GPR:$Rd),
3899 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3900 IIC_iMAC32, "smmls", "\t$Rd, $Rn, $Rm, $Ra", []>,
3901 Requires<[IsARM, HasV6, UseMulOps]>;
3903 def SMMLSR : AMul2Ia <0b0111010, 0b1111, (outs GPR:$Rd),
3904 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3905 IIC_iMAC32, "smmlsr", "\t$Rd, $Rn, $Rm, $Ra", []>,
3906 Requires<[IsARM, HasV6]>;
3908 multiclass AI_smul<string opc, PatFrag opnode> {
3909 def BB : AMulxyI<0b0001011, 0b00, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3910 IIC_iMUL16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm",
3911 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
3912 (sext_inreg GPR:$Rm, i16)))]>,
3913 Requires<[IsARM, HasV5TE]>;
3915 def BT : AMulxyI<0b0001011, 0b10, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3916 IIC_iMUL16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm",
3917 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
3918 (sra GPR:$Rm, (i32 16))))]>,
3919 Requires<[IsARM, HasV5TE]>;
3921 def TB : AMulxyI<0b0001011, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3922 IIC_iMUL16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm",
3923 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
3924 (sext_inreg GPR:$Rm, i16)))]>,
3925 Requires<[IsARM, HasV5TE]>;
3927 def TT : AMulxyI<0b0001011, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3928 IIC_iMUL16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm",
3929 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
3930 (sra GPR:$Rm, (i32 16))))]>,
3931 Requires<[IsARM, HasV5TE]>;
3933 def WB : AMulxyI<0b0001001, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3934 IIC_iMUL16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm",
3935 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
3936 (sext_inreg GPR:$Rm, i16)), (i32 16)))]>,
3937 Requires<[IsARM, HasV5TE]>;
3939 def WT : AMulxyI<0b0001001, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3940 IIC_iMUL16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm",
3941 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
3942 (sra GPR:$Rm, (i32 16))), (i32 16)))]>,
3943 Requires<[IsARM, HasV5TE]>;
3947 multiclass AI_smla<string opc, PatFrag opnode> {
3948 let DecoderMethod = "DecodeSMLAInstruction" in {
3949 def BB : AMulxyIa<0b0001000, 0b00, (outs GPRnopc:$Rd),
3950 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3951 IIC_iMAC16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm, $Ra",
3952 [(set GPRnopc:$Rd, (add GPR:$Ra,
3953 (opnode (sext_inreg GPRnopc:$Rn, i16),
3954 (sext_inreg GPRnopc:$Rm, i16))))]>,
3955 Requires<[IsARM, HasV5TE, UseMulOps]>;
3957 def BT : AMulxyIa<0b0001000, 0b10, (outs GPRnopc:$Rd),
3958 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3959 IIC_iMAC16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm, $Ra",
3961 (add GPR:$Ra, (opnode (sext_inreg GPRnopc:$Rn, i16),
3962 (sra GPRnopc:$Rm, (i32 16)))))]>,
3963 Requires<[IsARM, HasV5TE, UseMulOps]>;
3965 def TB : AMulxyIa<0b0001000, 0b01, (outs GPRnopc:$Rd),
3966 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3967 IIC_iMAC16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm, $Ra",
3969 (add GPR:$Ra, (opnode (sra GPRnopc:$Rn, (i32 16)),
3970 (sext_inreg GPRnopc:$Rm, i16))))]>,
3971 Requires<[IsARM, HasV5TE, UseMulOps]>;
3973 def TT : AMulxyIa<0b0001000, 0b11, (outs GPRnopc:$Rd),
3974 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3975 IIC_iMAC16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm, $Ra",
3977 (add GPR:$Ra, (opnode (sra GPRnopc:$Rn, (i32 16)),
3978 (sra GPRnopc:$Rm, (i32 16)))))]>,
3979 Requires<[IsARM, HasV5TE, UseMulOps]>;
3981 def WB : AMulxyIa<0b0001001, 0b00, (outs GPRnopc:$Rd),
3982 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3983 IIC_iMAC16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm, $Ra",
3985 (add GPR:$Ra, (sra (opnode GPRnopc:$Rn,
3986 (sext_inreg GPRnopc:$Rm, i16)), (i32 16))))]>,
3987 Requires<[IsARM, HasV5TE, UseMulOps]>;
3989 def WT : AMulxyIa<0b0001001, 0b10, (outs GPRnopc:$Rd),
3990 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3991 IIC_iMAC16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm, $Ra",
3993 (add GPR:$Ra, (sra (opnode GPRnopc:$Rn,
3994 (sra GPRnopc:$Rm, (i32 16))), (i32 16))))]>,
3995 Requires<[IsARM, HasV5TE, UseMulOps]>;
3999 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
4000 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
4002 // Halfword multiply accumulate long: SMLAL<x><y>.
4003 def SMLALBB : AMulxyI64<0b0001010, 0b00, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
4004 (ins GPRnopc:$Rn, GPRnopc:$Rm),
4005 IIC_iMAC64, "smlalbb", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
4006 Requires<[IsARM, HasV5TE]>;
4008 def SMLALBT : AMulxyI64<0b0001010, 0b10, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
4009 (ins GPRnopc:$Rn, GPRnopc:$Rm),
4010 IIC_iMAC64, "smlalbt", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
4011 Requires<[IsARM, HasV5TE]>;
4013 def SMLALTB : AMulxyI64<0b0001010, 0b01, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
4014 (ins GPRnopc:$Rn, GPRnopc:$Rm),
4015 IIC_iMAC64, "smlaltb", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
4016 Requires<[IsARM, HasV5TE]>;
4018 def SMLALTT : AMulxyI64<0b0001010, 0b11, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
4019 (ins GPRnopc:$Rn, GPRnopc:$Rm),
4020 IIC_iMAC64, "smlaltt", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
4021 Requires<[IsARM, HasV5TE]>;
4023 // Helper class for AI_smld.
4024 class AMulDualIbase<bit long, bit sub, bit swap, dag oops, dag iops,
4025 InstrItinClass itin, string opc, string asm>
4026 : AI<oops, iops, MulFrm, itin, opc, asm, []>, Requires<[IsARM, HasV6]> {
4029 let Inst{27-23} = 0b01110;
4030 let Inst{22} = long;
4031 let Inst{21-20} = 0b00;
4032 let Inst{11-8} = Rm;
4039 class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
4040 InstrItinClass itin, string opc, string asm>
4041 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
4043 let Inst{15-12} = 0b1111;
4044 let Inst{19-16} = Rd;
4046 class AMulDualIa<bit long, bit sub, bit swap, dag oops, dag iops,
4047 InstrItinClass itin, string opc, string asm>
4048 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
4051 let Inst{19-16} = Rd;
4052 let Inst{15-12} = Ra;
4054 class AMulDualI64<bit long, bit sub, bit swap, dag oops, dag iops,
4055 InstrItinClass itin, string opc, string asm>
4056 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
4059 let Inst{19-16} = RdHi;
4060 let Inst{15-12} = RdLo;
4063 multiclass AI_smld<bit sub, string opc> {
4065 def D : AMulDualIa<0, sub, 0, (outs GPRnopc:$Rd),
4066 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4067 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm, $Ra">;
4069 def DX: AMulDualIa<0, sub, 1, (outs GPRnopc:$Rd),
4070 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4071 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm, $Ra">;
4073 def LD: AMulDualI64<1, sub, 0, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
4074 (ins GPRnopc:$Rn, GPRnopc:$Rm), NoItinerary,
4075 !strconcat(opc, "ld"), "\t$RdLo, $RdHi, $Rn, $Rm">;
4077 def LDX : AMulDualI64<1, sub, 1, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
4078 (ins GPRnopc:$Rn, GPRnopc:$Rm), NoItinerary,
4079 !strconcat(opc, "ldx"),"\t$RdLo, $RdHi, $Rn, $Rm">;
4083 defm SMLA : AI_smld<0, "smla">;
4084 defm SMLS : AI_smld<1, "smls">;
4086 multiclass AI_sdml<bit sub, string opc> {
4088 def D:AMulDualI<0, sub, 0, (outs GPRnopc:$Rd), (ins GPRnopc:$Rn, GPRnopc:$Rm),
4089 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm">;
4090 def DX:AMulDualI<0, sub, 1, (outs GPRnopc:$Rd),(ins GPRnopc:$Rn, GPRnopc:$Rm),
4091 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm">;
4094 defm SMUA : AI_sdml<0, "smua">;
4095 defm SMUS : AI_sdml<1, "smus">;
4097 //===----------------------------------------------------------------------===//
4098 // Division Instructions (ARMv7-A with virtualization extension)
4100 def SDIV : ADivA1I<0b001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), IIC_iDIV,
4101 "sdiv", "\t$Rd, $Rn, $Rm",
4102 [(set GPR:$Rd, (sdiv GPR:$Rn, GPR:$Rm))]>,
4103 Requires<[IsARM, HasDivideInARM]>;
4105 def UDIV : ADivA1I<0b011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), IIC_iDIV,
4106 "udiv", "\t$Rd, $Rn, $Rm",
4107 [(set GPR:$Rd, (udiv GPR:$Rn, GPR:$Rm))]>,
4108 Requires<[IsARM, HasDivideInARM]>;
4110 //===----------------------------------------------------------------------===//
4111 // Misc. Arithmetic Instructions.
4114 def CLZ : AMiscA1I<0b000010110, 0b0001, (outs GPR:$Rd), (ins GPR:$Rm),
4115 IIC_iUNAr, "clz", "\t$Rd, $Rm",
4116 [(set GPR:$Rd, (ctlz GPR:$Rm))]>, Requires<[IsARM, HasV5T]>,
4119 def RBIT : AMiscA1I<0b01101111, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
4120 IIC_iUNAr, "rbit", "\t$Rd, $Rm",
4121 [(set GPR:$Rd, (ARMrbit GPR:$Rm))]>,
4122 Requires<[IsARM, HasV6T2]>,
4125 def REV : AMiscA1I<0b01101011, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
4126 IIC_iUNAr, "rev", "\t$Rd, $Rm",
4127 [(set GPR:$Rd, (bswap GPR:$Rm))]>, Requires<[IsARM, HasV6]>,
4130 let AddedComplexity = 5 in
4131 def REV16 : AMiscA1I<0b01101011, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
4132 IIC_iUNAr, "rev16", "\t$Rd, $Rm",
4133 [(set GPR:$Rd, (rotr (bswap GPR:$Rm), (i32 16)))]>,
4134 Requires<[IsARM, HasV6]>,
4137 def : ARMV6Pat<(srl (bswap (extloadi16 addrmode3:$addr)), (i32 16)),
4138 (REV16 (LDRH addrmode3:$addr))>;
4139 def : ARMV6Pat<(truncstorei16 (srl (bswap GPR:$Rn), (i32 16)), addrmode3:$addr),
4140 (STRH (REV16 GPR:$Rn), addrmode3:$addr)>;
4142 let AddedComplexity = 5 in
4143 def REVSH : AMiscA1I<0b01101111, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
4144 IIC_iUNAr, "revsh", "\t$Rd, $Rm",
4145 [(set GPR:$Rd, (sra (bswap GPR:$Rm), (i32 16)))]>,
4146 Requires<[IsARM, HasV6]>,
4149 def : ARMV6Pat<(or (sra (shl GPR:$Rm, (i32 24)), (i32 16)),
4150 (and (srl GPR:$Rm, (i32 8)), 0xFF)),
4153 def PKHBT : APKHI<0b01101000, 0, (outs GPRnopc:$Rd),
4154 (ins GPRnopc:$Rn, GPRnopc:$Rm, pkh_lsl_amt:$sh),
4155 IIC_iALUsi, "pkhbt", "\t$Rd, $Rn, $Rm$sh",
4156 [(set GPRnopc:$Rd, (or (and GPRnopc:$Rn, 0xFFFF),
4157 (and (shl GPRnopc:$Rm, pkh_lsl_amt:$sh),
4159 Requires<[IsARM, HasV6]>,
4160 Sched<[WriteALUsi, ReadALU]>;
4162 // Alternate cases for PKHBT where identities eliminate some nodes.
4163 def : ARMV6Pat<(or (and GPRnopc:$Rn, 0xFFFF), (and GPRnopc:$Rm, 0xFFFF0000)),
4164 (PKHBT GPRnopc:$Rn, GPRnopc:$Rm, 0)>;
4165 def : ARMV6Pat<(or (and GPRnopc:$Rn, 0xFFFF), (shl GPRnopc:$Rm, imm16_31:$sh)),
4166 (PKHBT GPRnopc:$Rn, GPRnopc:$Rm, imm16_31:$sh)>;
4168 // Note: Shifts of 1-15 bits will be transformed to srl instead of sra and
4169 // will match the pattern below.
4170 def PKHTB : APKHI<0b01101000, 1, (outs GPRnopc:$Rd),
4171 (ins GPRnopc:$Rn, GPRnopc:$Rm, pkh_asr_amt:$sh),
4172 IIC_iBITsi, "pkhtb", "\t$Rd, $Rn, $Rm$sh",
4173 [(set GPRnopc:$Rd, (or (and GPRnopc:$Rn, 0xFFFF0000),
4174 (and (sra GPRnopc:$Rm, pkh_asr_amt:$sh),
4176 Requires<[IsARM, HasV6]>,
4177 Sched<[WriteALUsi, ReadALU]>;
4179 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
4180 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
4181 // We also can not replace a srl (17..31) by an arithmetic shift we would use in
4182 // pkhtb src1, src2, asr (17..31).
4183 def : ARMV6Pat<(or (and GPRnopc:$src1, 0xFFFF0000),
4184 (srl GPRnopc:$src2, imm16:$sh)),
4185 (PKHTB GPRnopc:$src1, GPRnopc:$src2, imm16:$sh)>;
4186 def : ARMV6Pat<(or (and GPRnopc:$src1, 0xFFFF0000),
4187 (sra GPRnopc:$src2, imm16_31:$sh)),
4188 (PKHTB GPRnopc:$src1, GPRnopc:$src2, imm16_31:$sh)>;
4189 def : ARMV6Pat<(or (and GPRnopc:$src1, 0xFFFF0000),
4190 (and (srl GPRnopc:$src2, imm1_15:$sh), 0xFFFF)),
4191 (PKHTB GPRnopc:$src1, GPRnopc:$src2, imm1_15:$sh)>;
4193 //===----------------------------------------------------------------------===//
4197 // + CRC32{B,H,W} 0x04C11DB7
4198 // + CRC32C{B,H,W} 0x1EDC6F41
4201 class AI_crc32<bit C, bits<2> sz, string suffix, SDPatternOperator builtin>
4202 : AInoP<(outs GPRnopc:$Rd), (ins GPRnopc:$Rn, GPRnopc:$Rm), MiscFrm, NoItinerary,
4203 !strconcat("crc32", suffix), "\t$Rd, $Rn, $Rm",
4204 [(set GPRnopc:$Rd, (builtin GPRnopc:$Rn, GPRnopc:$Rm))]>,
4205 Requires<[IsARM, HasV8, HasCRC]> {
4210 let Inst{31-28} = 0b1110;
4211 let Inst{27-23} = 0b00010;
4212 let Inst{22-21} = sz;
4214 let Inst{19-16} = Rn;
4215 let Inst{15-12} = Rd;
4216 let Inst{11-10} = 0b00;
4219 let Inst{7-4} = 0b0100;
4222 let Unpredictable{11-8} = 0b1101;
4225 def CRC32B : AI_crc32<0, 0b00, "b", int_arm_crc32b>;
4226 def CRC32CB : AI_crc32<1, 0b00, "cb", int_arm_crc32cb>;
4227 def CRC32H : AI_crc32<0, 0b01, "h", int_arm_crc32h>;
4228 def CRC32CH : AI_crc32<1, 0b01, "ch", int_arm_crc32ch>;
4229 def CRC32W : AI_crc32<0, 0b10, "w", int_arm_crc32w>;
4230 def CRC32CW : AI_crc32<1, 0b10, "cw", int_arm_crc32cw>;
4232 //===----------------------------------------------------------------------===//
4233 // Comparison Instructions...
4236 defm CMP : AI1_cmp_irs<0b1010, "cmp",
4237 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
4238 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
4240 // ARMcmpZ can re-use the above instruction definitions.
4241 def : ARMPat<(ARMcmpZ GPR:$src, so_imm:$imm),
4242 (CMPri GPR:$src, so_imm:$imm)>;
4243 def : ARMPat<(ARMcmpZ GPR:$src, GPR:$rhs),
4244 (CMPrr GPR:$src, GPR:$rhs)>;
4245 def : ARMPat<(ARMcmpZ GPR:$src, so_reg_imm:$rhs),
4246 (CMPrsi GPR:$src, so_reg_imm:$rhs)>;
4247 def : ARMPat<(ARMcmpZ GPR:$src, so_reg_reg:$rhs),
4248 (CMPrsr GPR:$src, so_reg_reg:$rhs)>;
4250 // CMN register-integer
4251 let isCompare = 1, Defs = [CPSR] in {
4252 def CMNri : AI1<0b1011, (outs), (ins GPR:$Rn, so_imm:$imm), DPFrm, IIC_iCMPi,
4253 "cmn", "\t$Rn, $imm",
4254 [(ARMcmn GPR:$Rn, so_imm:$imm)]>,
4255 Sched<[WriteCMP, ReadALU]> {
4260 let Inst{19-16} = Rn;
4261 let Inst{15-12} = 0b0000;
4262 let Inst{11-0} = imm;
4264 let Unpredictable{15-12} = 0b1111;
4267 // CMN register-register/shift
4268 def CMNzrr : AI1<0b1011, (outs), (ins GPR:$Rn, GPR:$Rm), DPFrm, IIC_iCMPr,
4269 "cmn", "\t$Rn, $Rm",
4270 [(BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>
4271 GPR:$Rn, GPR:$Rm)]>, Sched<[WriteCMP, ReadALU, ReadALU]> {
4274 let isCommutable = 1;
4277 let Inst{19-16} = Rn;
4278 let Inst{15-12} = 0b0000;
4279 let Inst{11-4} = 0b00000000;
4282 let Unpredictable{15-12} = 0b1111;
4285 def CMNzrsi : AI1<0b1011, (outs),
4286 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm, IIC_iCMPsr,
4287 "cmn", "\t$Rn, $shift",
4288 [(BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>
4289 GPR:$Rn, so_reg_imm:$shift)]>,
4290 Sched<[WriteCMPsi, ReadALU]> {
4295 let Inst{19-16} = Rn;
4296 let Inst{15-12} = 0b0000;
4297 let Inst{11-5} = shift{11-5};
4299 let Inst{3-0} = shift{3-0};
4301 let Unpredictable{15-12} = 0b1111;
4304 def CMNzrsr : AI1<0b1011, (outs),
4305 (ins GPRnopc:$Rn, so_reg_reg:$shift), DPSoRegRegFrm, IIC_iCMPsr,
4306 "cmn", "\t$Rn, $shift",
4307 [(BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>
4308 GPRnopc:$Rn, so_reg_reg:$shift)]>,
4309 Sched<[WriteCMPsr, ReadALU]> {
4314 let Inst{19-16} = Rn;
4315 let Inst{15-12} = 0b0000;
4316 let Inst{11-8} = shift{11-8};
4318 let Inst{6-5} = shift{6-5};
4320 let Inst{3-0} = shift{3-0};
4322 let Unpredictable{15-12} = 0b1111;
4327 def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
4328 (CMNri GPR:$src, so_imm_neg:$imm)>;
4330 def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
4331 (CMNri GPR:$src, so_imm_neg:$imm)>;
4333 // Note that TST/TEQ don't set all the same flags that CMP does!
4334 defm TST : AI1_cmp_irs<0b1000, "tst",
4335 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
4336 BinOpFrag<(ARMcmpZ (and_su node:$LHS, node:$RHS), 0)>, 1>;
4337 defm TEQ : AI1_cmp_irs<0b1001, "teq",
4338 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
4339 BinOpFrag<(ARMcmpZ (xor_su node:$LHS, node:$RHS), 0)>, 1>;
4341 // Pseudo i64 compares for some floating point compares.
4342 let usesCustomInserter = 1, isBranch = 1, isTerminator = 1,
4344 def BCCi64 : PseudoInst<(outs),
4345 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, brtarget:$dst),
4347 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, bb:$dst)]>,
4350 def BCCZi64 : PseudoInst<(outs),
4351 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, brtarget:$dst), IIC_Br,
4352 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, 0, 0, bb:$dst)]>,
4354 } // usesCustomInserter
4357 // Conditional moves
4358 let neverHasSideEffects = 1 in {
4360 let isCommutable = 1, isSelect = 1 in
4361 def MOVCCr : ARMPseudoInst<(outs GPR:$Rd),
4362 (ins GPR:$false, GPR:$Rm, cmovpred:$p),
4364 [(set GPR:$Rd, (ARMcmov GPR:$false, GPR:$Rm,
4366 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4368 def MOVCCsi : ARMPseudoInst<(outs GPR:$Rd),
4369 (ins GPR:$false, so_reg_imm:$shift, cmovpred:$p),
4372 (ARMcmov GPR:$false, so_reg_imm:$shift,
4374 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4375 def MOVCCsr : ARMPseudoInst<(outs GPR:$Rd),
4376 (ins GPR:$false, so_reg_reg:$shift, cmovpred:$p),
4378 [(set GPR:$Rd, (ARMcmov GPR:$false, so_reg_reg:$shift,
4380 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4383 let isMoveImm = 1 in
4385 : ARMPseudoInst<(outs GPR:$Rd),
4386 (ins GPR:$false, imm0_65535_expr:$imm, cmovpred:$p),
4388 [(set GPR:$Rd, (ARMcmov GPR:$false, imm0_65535:$imm,
4390 RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>,
4393 let isMoveImm = 1 in
4394 def MOVCCi : ARMPseudoInst<(outs GPR:$Rd),
4395 (ins GPR:$false, so_imm:$imm, cmovpred:$p),
4397 [(set GPR:$Rd, (ARMcmov GPR:$false, so_imm:$imm,
4399 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4401 // Two instruction predicate mov immediate.
4402 let isMoveImm = 1 in
4404 : ARMPseudoInst<(outs GPR:$Rd),
4405 (ins GPR:$false, i32imm:$src, cmovpred:$p),
4407 [(set GPR:$Rd, (ARMcmov GPR:$false, imm:$src,
4409 RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>;
4411 let isMoveImm = 1 in
4412 def MVNCCi : ARMPseudoInst<(outs GPR:$Rd),
4413 (ins GPR:$false, so_imm:$imm, cmovpred:$p),
4415 [(set GPR:$Rd, (ARMcmov GPR:$false, so_imm_not:$imm,
4417 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4419 } // neverHasSideEffects
4422 //===----------------------------------------------------------------------===//
4423 // Atomic operations intrinsics
4426 def MemBarrierOptOperand : AsmOperandClass {
4427 let Name = "MemBarrierOpt";
4428 let ParserMethod = "parseMemBarrierOptOperand";
4430 def memb_opt : Operand<i32> {
4431 let PrintMethod = "printMemBOption";
4432 let ParserMatchClass = MemBarrierOptOperand;
4433 let DecoderMethod = "DecodeMemBarrierOption";
4436 def InstSyncBarrierOptOperand : AsmOperandClass {
4437 let Name = "InstSyncBarrierOpt";
4438 let ParserMethod = "parseInstSyncBarrierOptOperand";
4440 def instsyncb_opt : Operand<i32> {
4441 let PrintMethod = "printInstSyncBOption";
4442 let ParserMatchClass = InstSyncBarrierOptOperand;
4443 let DecoderMethod = "DecodeInstSyncBarrierOption";
4446 // Memory barriers protect the atomic sequences
4447 let hasSideEffects = 1 in {
4448 def DMB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
4449 "dmb", "\t$opt", [(int_arm_dmb (i32 imm0_15:$opt))]>,
4450 Requires<[IsARM, HasDB]> {
4452 let Inst{31-4} = 0xf57ff05;
4453 let Inst{3-0} = opt;
4456 def DSB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
4457 "dsb", "\t$opt", [(int_arm_dsb (i32 imm0_15:$opt))]>,
4458 Requires<[IsARM, HasDB]> {
4460 let Inst{31-4} = 0xf57ff04;
4461 let Inst{3-0} = opt;
4464 // ISB has only full system option
4465 def ISB : AInoP<(outs), (ins instsyncb_opt:$opt), MiscFrm, NoItinerary,
4466 "isb", "\t$opt", [(int_arm_isb (i32 imm0_15:$opt))]>,
4467 Requires<[IsARM, HasDB]> {
4469 let Inst{31-4} = 0xf57ff06;
4470 let Inst{3-0} = opt;
4474 let usesCustomInserter = 1, Defs = [CPSR] in {
4476 // Pseudo instruction that combines movs + predicated rsbmi
4477 // to implement integer ABS
4478 def ABS : ARMPseudoInst<(outs GPR:$dst), (ins GPR:$src), 8, NoItinerary, []>;
4481 let usesCustomInserter = 1 in {
4482 def COPY_STRUCT_BYVAL_I32 : PseudoInst<
4483 (outs), (ins GPR:$dst, GPR:$src, i32imm:$size, i32imm:$alignment),
4485 [(ARMcopystructbyval GPR:$dst, GPR:$src, imm:$size, imm:$alignment)]>;
4488 def ldrex_1 : PatFrag<(ops node:$ptr), (int_arm_ldrex node:$ptr), [{
4489 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i8;
4492 def ldrex_2 : PatFrag<(ops node:$ptr), (int_arm_ldrex node:$ptr), [{
4493 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i16;
4496 def ldrex_4 : PatFrag<(ops node:$ptr), (int_arm_ldrex node:$ptr), [{
4497 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i32;
4500 def strex_1 : PatFrag<(ops node:$val, node:$ptr),
4501 (int_arm_strex node:$val, node:$ptr), [{
4502 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i8;
4505 def strex_2 : PatFrag<(ops node:$val, node:$ptr),
4506 (int_arm_strex node:$val, node:$ptr), [{
4507 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i16;
4510 def strex_4 : PatFrag<(ops node:$val, node:$ptr),
4511 (int_arm_strex node:$val, node:$ptr), [{
4512 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i32;
4515 def ldaex_1 : PatFrag<(ops node:$ptr), (int_arm_ldaex node:$ptr), [{
4516 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i8;
4519 def ldaex_2 : PatFrag<(ops node:$ptr), (int_arm_ldaex node:$ptr), [{
4520 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i16;
4523 def ldaex_4 : PatFrag<(ops node:$ptr), (int_arm_ldaex node:$ptr), [{
4524 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i32;
4527 def stlex_1 : PatFrag<(ops node:$val, node:$ptr),
4528 (int_arm_stlex node:$val, node:$ptr), [{
4529 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i8;
4532 def stlex_2 : PatFrag<(ops node:$val, node:$ptr),
4533 (int_arm_stlex node:$val, node:$ptr), [{
4534 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i16;
4537 def stlex_4 : PatFrag<(ops node:$val, node:$ptr),
4538 (int_arm_stlex node:$val, node:$ptr), [{
4539 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i32;
4542 let mayLoad = 1 in {
4543 def LDREXB : AIldrex<0b10, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4544 NoItinerary, "ldrexb", "\t$Rt, $addr",
4545 [(set GPR:$Rt, (ldrex_1 addr_offset_none:$addr))]>;
4546 def LDREXH : AIldrex<0b11, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4547 NoItinerary, "ldrexh", "\t$Rt, $addr",
4548 [(set GPR:$Rt, (ldrex_2 addr_offset_none:$addr))]>;
4549 def LDREX : AIldrex<0b00, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4550 NoItinerary, "ldrex", "\t$Rt, $addr",
4551 [(set GPR:$Rt, (ldrex_4 addr_offset_none:$addr))]>;
4552 let hasExtraDefRegAllocReq = 1 in
4553 def LDREXD : AIldrex<0b01, (outs GPRPairOp:$Rt),(ins addr_offset_none:$addr),
4554 NoItinerary, "ldrexd", "\t$Rt, $addr", []> {
4555 let DecoderMethod = "DecodeDoubleRegLoad";
4558 def LDAEXB : AIldaex<0b10, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4559 NoItinerary, "ldaexb", "\t$Rt, $addr",
4560 [(set GPR:$Rt, (ldaex_1 addr_offset_none:$addr))]>;
4561 def LDAEXH : AIldaex<0b11, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4562 NoItinerary, "ldaexh", "\t$Rt, $addr",
4563 [(set GPR:$Rt, (ldaex_2 addr_offset_none:$addr))]>;
4564 def LDAEX : AIldaex<0b00, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4565 NoItinerary, "ldaex", "\t$Rt, $addr",
4566 [(set GPR:$Rt, (ldaex_4 addr_offset_none:$addr))]>;
4567 let hasExtraDefRegAllocReq = 1 in
4568 def LDAEXD : AIldaex<0b01, (outs GPRPairOp:$Rt),(ins addr_offset_none:$addr),
4569 NoItinerary, "ldaexd", "\t$Rt, $addr", []> {
4570 let DecoderMethod = "DecodeDoubleRegLoad";
4574 let mayStore = 1, Constraints = "@earlyclobber $Rd" in {
4575 def STREXB: AIstrex<0b10, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4576 NoItinerary, "strexb", "\t$Rd, $Rt, $addr",
4577 [(set GPR:$Rd, (strex_1 GPR:$Rt,
4578 addr_offset_none:$addr))]>;
4579 def STREXH: AIstrex<0b11, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4580 NoItinerary, "strexh", "\t$Rd, $Rt, $addr",
4581 [(set GPR:$Rd, (strex_2 GPR:$Rt,
4582 addr_offset_none:$addr))]>;
4583 def STREX : AIstrex<0b00, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4584 NoItinerary, "strex", "\t$Rd, $Rt, $addr",
4585 [(set GPR:$Rd, (strex_4 GPR:$Rt,
4586 addr_offset_none:$addr))]>;
4587 let hasExtraSrcRegAllocReq = 1 in
4588 def STREXD : AIstrex<0b01, (outs GPR:$Rd),
4589 (ins GPRPairOp:$Rt, addr_offset_none:$addr),
4590 NoItinerary, "strexd", "\t$Rd, $Rt, $addr", []> {
4591 let DecoderMethod = "DecodeDoubleRegStore";
4593 def STLEXB: AIstlex<0b10, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4594 NoItinerary, "stlexb", "\t$Rd, $Rt, $addr",
4596 (stlex_1 GPR:$Rt, addr_offset_none:$addr))]>;
4597 def STLEXH: AIstlex<0b11, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4598 NoItinerary, "stlexh", "\t$Rd, $Rt, $addr",
4600 (stlex_2 GPR:$Rt, addr_offset_none:$addr))]>;
4601 def STLEX : AIstlex<0b00, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4602 NoItinerary, "stlex", "\t$Rd, $Rt, $addr",
4604 (stlex_4 GPR:$Rt, addr_offset_none:$addr))]>;
4605 let hasExtraSrcRegAllocReq = 1 in
4606 def STLEXD : AIstlex<0b01, (outs GPR:$Rd),
4607 (ins GPRPairOp:$Rt, addr_offset_none:$addr),
4608 NoItinerary, "stlexd", "\t$Rd, $Rt, $addr", []> {
4609 let DecoderMethod = "DecodeDoubleRegStore";
4613 def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex",
4615 Requires<[IsARM, HasV7]> {
4616 let Inst{31-0} = 0b11110101011111111111000000011111;
4619 def : ARMPat<(strex_1 (and GPR:$Rt, 0xff), addr_offset_none:$addr),
4620 (STREXB GPR:$Rt, addr_offset_none:$addr)>;
4621 def : ARMPat<(strex_2 (and GPR:$Rt, 0xffff), addr_offset_none:$addr),
4622 (STREXH GPR:$Rt, addr_offset_none:$addr)>;
4624 def : ARMPat<(stlex_1 (and GPR:$Rt, 0xff), addr_offset_none:$addr),
4625 (STLEXB GPR:$Rt, addr_offset_none:$addr)>;
4626 def : ARMPat<(stlex_2 (and GPR:$Rt, 0xffff), addr_offset_none:$addr),
4627 (STLEXH GPR:$Rt, addr_offset_none:$addr)>;
4629 class acquiring_load<PatFrag base>
4630 : PatFrag<(ops node:$ptr), (base node:$ptr), [{
4631 AtomicOrdering Ordering = cast<AtomicSDNode>(N)->getOrdering();
4632 return Ordering == Acquire || Ordering == SequentiallyConsistent;
4635 def atomic_load_acquire_8 : acquiring_load<atomic_load_8>;
4636 def atomic_load_acquire_16 : acquiring_load<atomic_load_16>;
4637 def atomic_load_acquire_32 : acquiring_load<atomic_load_32>;
4639 class releasing_store<PatFrag base>
4640 : PatFrag<(ops node:$ptr, node:$val), (base node:$ptr, node:$val), [{
4641 AtomicOrdering Ordering = cast<AtomicSDNode>(N)->getOrdering();
4642 return Ordering == Release || Ordering == SequentiallyConsistent;
4645 def atomic_store_release_8 : releasing_store<atomic_store_8>;
4646 def atomic_store_release_16 : releasing_store<atomic_store_16>;
4647 def atomic_store_release_32 : releasing_store<atomic_store_32>;
4649 let AddedComplexity = 8 in {
4650 def : ARMPat<(atomic_load_acquire_8 addr_offset_none:$addr), (LDAB addr_offset_none:$addr)>;
4651 def : ARMPat<(atomic_load_acquire_16 addr_offset_none:$addr), (LDAH addr_offset_none:$addr)>;
4652 def : ARMPat<(atomic_load_acquire_32 addr_offset_none:$addr), (LDA addr_offset_none:$addr)>;
4653 def : ARMPat<(atomic_store_release_8 addr_offset_none:$addr, GPR:$val), (STLB GPR:$val, addr_offset_none:$addr)>;
4654 def : ARMPat<(atomic_store_release_16 addr_offset_none:$addr, GPR:$val), (STLH GPR:$val, addr_offset_none:$addr)>;
4655 def : ARMPat<(atomic_store_release_32 addr_offset_none:$addr, GPR:$val), (STL GPR:$val, addr_offset_none:$addr)>;
4658 // SWP/SWPB are deprecated in V6/V7.
4659 let mayLoad = 1, mayStore = 1 in {
4660 def SWP : AIswp<0, (outs GPRnopc:$Rt),
4661 (ins GPRnopc:$Rt2, addr_offset_none:$addr), "swp", []>,
4663 def SWPB: AIswp<1, (outs GPRnopc:$Rt),
4664 (ins GPRnopc:$Rt2, addr_offset_none:$addr), "swpb", []>,
4668 //===----------------------------------------------------------------------===//
4669 // Coprocessor Instructions.
4672 def CDP : ABI<0b1110, (outs), (ins p_imm:$cop, imm0_15:$opc1,
4673 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, imm0_7:$opc2),
4674 NoItinerary, "cdp", "\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
4675 [(int_arm_cdp imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
4676 imm:$CRm, imm:$opc2)]>,
4685 let Inst{3-0} = CRm;
4687 let Inst{7-5} = opc2;
4688 let Inst{11-8} = cop;
4689 let Inst{15-12} = CRd;
4690 let Inst{19-16} = CRn;
4691 let Inst{23-20} = opc1;
4694 def CDP2 : ABXI<0b1110, (outs), (ins p_imm:$cop, imm0_15:$opc1,
4695 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, imm0_7:$opc2),
4696 NoItinerary, "cdp2\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
4697 [(int_arm_cdp2 imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
4698 imm:$CRm, imm:$opc2)]>,
4700 let Inst{31-28} = 0b1111;
4708 let Inst{3-0} = CRm;
4710 let Inst{7-5} = opc2;
4711 let Inst{11-8} = cop;
4712 let Inst{15-12} = CRd;
4713 let Inst{19-16} = CRn;
4714 let Inst{23-20} = opc1;
4717 class ACI<dag oops, dag iops, string opc, string asm,
4718 IndexMode im = IndexModeNone>
4719 : I<oops, iops, AddrModeNone, 4, im, BrFrm, NoItinerary,
4721 let Inst{27-25} = 0b110;
4723 class ACInoP<dag oops, dag iops, string opc, string asm,
4724 IndexMode im = IndexModeNone>
4725 : InoP<oops, iops, AddrModeNone, 4, im, BrFrm, NoItinerary,
4727 let Inst{31-28} = 0b1111;
4728 let Inst{27-25} = 0b110;
4730 multiclass LdStCop<bit load, bit Dbit, string asm> {
4731 def _OFFSET : ACI<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5:$addr),
4732 asm, "\t$cop, $CRd, $addr"> {
4736 let Inst{24} = 1; // P = 1
4737 let Inst{23} = addr{8};
4738 let Inst{22} = Dbit;
4739 let Inst{21} = 0; // W = 0
4740 let Inst{20} = load;
4741 let Inst{19-16} = addr{12-9};
4742 let Inst{15-12} = CRd;
4743 let Inst{11-8} = cop;
4744 let Inst{7-0} = addr{7-0};
4745 let DecoderMethod = "DecodeCopMemInstruction";
4747 def _PRE : ACI<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5_pre:$addr),
4748 asm, "\t$cop, $CRd, $addr!", IndexModePre> {
4752 let Inst{24} = 1; // P = 1
4753 let Inst{23} = addr{8};
4754 let Inst{22} = Dbit;
4755 let Inst{21} = 1; // W = 1
4756 let Inst{20} = load;
4757 let Inst{19-16} = addr{12-9};
4758 let Inst{15-12} = CRd;
4759 let Inst{11-8} = cop;
4760 let Inst{7-0} = addr{7-0};
4761 let DecoderMethod = "DecodeCopMemInstruction";
4763 def _POST: ACI<(outs), (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
4764 postidx_imm8s4:$offset),
4765 asm, "\t$cop, $CRd, $addr, $offset", IndexModePost> {
4770 let Inst{24} = 0; // P = 0
4771 let Inst{23} = offset{8};
4772 let Inst{22} = Dbit;
4773 let Inst{21} = 1; // W = 1
4774 let Inst{20} = load;
4775 let Inst{19-16} = addr;
4776 let Inst{15-12} = CRd;
4777 let Inst{11-8} = cop;
4778 let Inst{7-0} = offset{7-0};
4779 let DecoderMethod = "DecodeCopMemInstruction";
4781 def _OPTION : ACI<(outs),
4782 (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
4783 coproc_option_imm:$option),
4784 asm, "\t$cop, $CRd, $addr, $option"> {
4789 let Inst{24} = 0; // P = 0
4790 let Inst{23} = 1; // U = 1
4791 let Inst{22} = Dbit;
4792 let Inst{21} = 0; // W = 0
4793 let Inst{20} = load;
4794 let Inst{19-16} = addr;
4795 let Inst{15-12} = CRd;
4796 let Inst{11-8} = cop;
4797 let Inst{7-0} = option;
4798 let DecoderMethod = "DecodeCopMemInstruction";
4801 multiclass LdSt2Cop<bit load, bit Dbit, string asm> {
4802 def _OFFSET : ACInoP<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5:$addr),
4803 asm, "\t$cop, $CRd, $addr"> {
4807 let Inst{24} = 1; // P = 1
4808 let Inst{23} = addr{8};
4809 let Inst{22} = Dbit;
4810 let Inst{21} = 0; // W = 0
4811 let Inst{20} = load;
4812 let Inst{19-16} = addr{12-9};
4813 let Inst{15-12} = CRd;
4814 let Inst{11-8} = cop;
4815 let Inst{7-0} = addr{7-0};
4816 let DecoderMethod = "DecodeCopMemInstruction";
4818 def _PRE : ACInoP<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5_pre:$addr),
4819 asm, "\t$cop, $CRd, $addr!", IndexModePre> {
4823 let Inst{24} = 1; // P = 1
4824 let Inst{23} = addr{8};
4825 let Inst{22} = Dbit;
4826 let Inst{21} = 1; // W = 1
4827 let Inst{20} = load;
4828 let Inst{19-16} = addr{12-9};
4829 let Inst{15-12} = CRd;
4830 let Inst{11-8} = cop;
4831 let Inst{7-0} = addr{7-0};
4832 let DecoderMethod = "DecodeCopMemInstruction";
4834 def _POST: ACInoP<(outs), (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
4835 postidx_imm8s4:$offset),
4836 asm, "\t$cop, $CRd, $addr, $offset", IndexModePost> {
4841 let Inst{24} = 0; // P = 0
4842 let Inst{23} = offset{8};
4843 let Inst{22} = Dbit;
4844 let Inst{21} = 1; // W = 1
4845 let Inst{20} = load;
4846 let Inst{19-16} = addr;
4847 let Inst{15-12} = CRd;
4848 let Inst{11-8} = cop;
4849 let Inst{7-0} = offset{7-0};
4850 let DecoderMethod = "DecodeCopMemInstruction";
4852 def _OPTION : ACInoP<(outs),
4853 (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
4854 coproc_option_imm:$option),
4855 asm, "\t$cop, $CRd, $addr, $option"> {
4860 let Inst{24} = 0; // P = 0
4861 let Inst{23} = 1; // U = 1
4862 let Inst{22} = Dbit;
4863 let Inst{21} = 0; // W = 0
4864 let Inst{20} = load;
4865 let Inst{19-16} = addr;
4866 let Inst{15-12} = CRd;
4867 let Inst{11-8} = cop;
4868 let Inst{7-0} = option;
4869 let DecoderMethod = "DecodeCopMemInstruction";
4873 defm LDC : LdStCop <1, 0, "ldc">;
4874 defm LDCL : LdStCop <1, 1, "ldcl">;
4875 defm STC : LdStCop <0, 0, "stc">;
4876 defm STCL : LdStCop <0, 1, "stcl">;
4877 defm LDC2 : LdSt2Cop<1, 0, "ldc2">, Requires<[PreV8]>;
4878 defm LDC2L : LdSt2Cop<1, 1, "ldc2l">, Requires<[PreV8]>;
4879 defm STC2 : LdSt2Cop<0, 0, "stc2">, Requires<[PreV8]>;
4880 defm STC2L : LdSt2Cop<0, 1, "stc2l">, Requires<[PreV8]>;
4882 //===----------------------------------------------------------------------===//
4883 // Move between coprocessor and ARM core register.
4886 class MovRCopro<string opc, bit direction, dag oops, dag iops,
4888 : ABI<0b1110, oops, iops, NoItinerary, opc,
4889 "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2", pattern> {
4890 let Inst{20} = direction;
4900 let Inst{15-12} = Rt;
4901 let Inst{11-8} = cop;
4902 let Inst{23-21} = opc1;
4903 let Inst{7-5} = opc2;
4904 let Inst{3-0} = CRm;
4905 let Inst{19-16} = CRn;
4908 def MCR : MovRCopro<"mcr", 0 /* from ARM core register to coprocessor */,
4910 (ins p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
4911 c_imm:$CRm, imm0_7:$opc2),
4912 [(int_arm_mcr imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
4913 imm:$CRm, imm:$opc2)]>,
4914 ComplexDeprecationPredicate<"MCR">;
4915 def : ARMInstAlias<"mcr${p} $cop, $opc1, $Rt, $CRn, $CRm",
4916 (MCR p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
4917 c_imm:$CRm, 0, pred:$p)>;
4918 def MRC : MovRCopro<"mrc", 1 /* from coprocessor to ARM core register */,
4919 (outs GPRwithAPSR:$Rt),
4920 (ins p_imm:$cop, imm0_7:$opc1, c_imm:$CRn, c_imm:$CRm,
4922 def : ARMInstAlias<"mrc${p} $cop, $opc1, $Rt, $CRn, $CRm",
4923 (MRC GPRwithAPSR:$Rt, p_imm:$cop, imm0_7:$opc1, c_imm:$CRn,
4924 c_imm:$CRm, 0, pred:$p)>;
4926 def : ARMPat<(int_arm_mrc imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2),
4927 (MRC imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
4929 class MovRCopro2<string opc, bit direction, dag oops, dag iops,
4931 : ABXI<0b1110, oops, iops, NoItinerary,
4932 !strconcat(opc, "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2"), pattern> {
4933 let Inst{31-24} = 0b11111110;
4934 let Inst{20} = direction;
4944 let Inst{15-12} = Rt;
4945 let Inst{11-8} = cop;
4946 let Inst{23-21} = opc1;
4947 let Inst{7-5} = opc2;
4948 let Inst{3-0} = CRm;
4949 let Inst{19-16} = CRn;
4952 def MCR2 : MovRCopro2<"mcr2", 0 /* from ARM core register to coprocessor */,
4954 (ins p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
4955 c_imm:$CRm, imm0_7:$opc2),
4956 [(int_arm_mcr2 imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
4957 imm:$CRm, imm:$opc2)]>,
4959 def : ARMInstAlias<"mcr2 $cop, $opc1, $Rt, $CRn, $CRm",
4960 (MCR2 p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
4962 def MRC2 : MovRCopro2<"mrc2", 1 /* from coprocessor to ARM core register */,
4963 (outs GPRwithAPSR:$Rt),
4964 (ins p_imm:$cop, imm0_7:$opc1, c_imm:$CRn, c_imm:$CRm,
4967 def : ARMInstAlias<"mrc2 $cop, $opc1, $Rt, $CRn, $CRm",
4968 (MRC2 GPRwithAPSR:$Rt, p_imm:$cop, imm0_7:$opc1, c_imm:$CRn,
4971 def : ARMV5TPat<(int_arm_mrc2 imm:$cop, imm:$opc1, imm:$CRn,
4972 imm:$CRm, imm:$opc2),
4973 (MRC2 imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
4975 class MovRRCopro<string opc, bit direction, list<dag> pattern = []>
4976 : ABI<0b1100, (outs), (ins p_imm:$cop, imm0_15:$opc1,
4977 GPRnopc:$Rt, GPRnopc:$Rt2, c_imm:$CRm),
4978 NoItinerary, opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm", pattern> {
4979 let Inst{23-21} = 0b010;
4980 let Inst{20} = direction;
4988 let Inst{15-12} = Rt;
4989 let Inst{19-16} = Rt2;
4990 let Inst{11-8} = cop;
4991 let Inst{7-4} = opc1;
4992 let Inst{3-0} = CRm;
4995 def MCRR : MovRRCopro<"mcrr", 0 /* from ARM core register to coprocessor */,
4996 [(int_arm_mcrr imm:$cop, imm:$opc1, GPRnopc:$Rt,
4997 GPRnopc:$Rt2, imm:$CRm)]>;
4998 def MRRC : MovRRCopro<"mrrc", 1 /* from coprocessor to ARM core register */>;
5000 class MovRRCopro2<string opc, bit direction, list<dag> pattern = []>
5001 : ABXI<0b1100, (outs), (ins p_imm:$cop, imm0_15:$opc1,
5002 GPRnopc:$Rt, GPRnopc:$Rt2, c_imm:$CRm), NoItinerary,
5003 !strconcat(opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm"), pattern>,
5005 let Inst{31-28} = 0b1111;
5006 let Inst{23-21} = 0b010;
5007 let Inst{20} = direction;
5015 let Inst{15-12} = Rt;
5016 let Inst{19-16} = Rt2;
5017 let Inst{11-8} = cop;
5018 let Inst{7-4} = opc1;
5019 let Inst{3-0} = CRm;
5021 let DecoderMethod = "DecodeMRRC2";
5024 def MCRR2 : MovRRCopro2<"mcrr2", 0 /* from ARM core register to coprocessor */,
5025 [(int_arm_mcrr2 imm:$cop, imm:$opc1, GPRnopc:$Rt,
5026 GPRnopc:$Rt2, imm:$CRm)]>;
5027 def MRRC2 : MovRRCopro2<"mrrc2", 1 /* from coprocessor to ARM core register */>;
5029 //===----------------------------------------------------------------------===//
5030 // Move between special register and ARM core register
5033 // Move to ARM core register from Special Register
5034 def MRS : ABI<0b0001, (outs GPRnopc:$Rd), (ins), NoItinerary,
5035 "mrs", "\t$Rd, apsr", []> {
5037 let Inst{23-16} = 0b00001111;
5038 let Unpredictable{19-17} = 0b111;
5040 let Inst{15-12} = Rd;
5042 let Inst{11-0} = 0b000000000000;
5043 let Unpredictable{11-0} = 0b110100001111;
5046 def : InstAlias<"mrs${p} $Rd, cpsr", (MRS GPRnopc:$Rd, pred:$p)>,
5049 // The MRSsys instruction is the MRS instruction from the ARM ARM,
5050 // section B9.3.9, with the R bit set to 1.
5051 def MRSsys : ABI<0b0001, (outs GPRnopc:$Rd), (ins), NoItinerary,
5052 "mrs", "\t$Rd, spsr", []> {
5054 let Inst{23-16} = 0b01001111;
5055 let Unpredictable{19-16} = 0b1111;
5057 let Inst{15-12} = Rd;
5059 let Inst{11-0} = 0b000000000000;
5060 let Unpredictable{11-0} = 0b110100001111;
5063 // Move from ARM core register to Special Register
5065 // No need to have both system and application versions, the encodings are the
5066 // same and the assembly parser has no way to distinguish between them. The mask
5067 // operand contains the special register (R Bit) in bit 4 and bits 3-0 contains
5068 // the mask with the fields to be accessed in the special register.
5069 def MSR : ABI<0b0001, (outs), (ins msr_mask:$mask, GPR:$Rn), NoItinerary,
5070 "msr", "\t$mask, $Rn", []> {
5075 let Inst{22} = mask{4}; // R bit
5076 let Inst{21-20} = 0b10;
5077 let Inst{19-16} = mask{3-0};
5078 let Inst{15-12} = 0b1111;
5079 let Inst{11-4} = 0b00000000;
5083 def MSRi : ABI<0b0011, (outs), (ins msr_mask:$mask, so_imm:$a), NoItinerary,
5084 "msr", "\t$mask, $a", []> {
5089 let Inst{22} = mask{4}; // R bit
5090 let Inst{21-20} = 0b10;
5091 let Inst{19-16} = mask{3-0};
5092 let Inst{15-12} = 0b1111;
5096 // Dynamic stack allocation yields a _chkstk for Windows targets. These calls
5097 // are needed to probe the stack when allocating more than
5098 // 4k bytes in one go. Touching the stack at 4K increments is necessary to
5099 // ensure that the guard pages used by the OS virtual memory manager are
5100 // allocated in correct sequence.
5101 // The main point of having separate instruction are extra unmodelled effects
5102 // (compared to ordinary calls) like stack pointer change.
5104 def win__chkstk : SDNode<"ARMISD::WIN__CHKSTK", SDTNone,
5105 [SDNPHasChain, SDNPSideEffect]>;
5106 let usesCustomInserter = 1, Uses = [R4], Defs = [R4, SP] in
5107 def WIN__CHKSTK : PseudoInst<(outs), (ins), NoItinerary, [(win__chkstk)]>;
5109 //===----------------------------------------------------------------------===//
5113 // __aeabi_read_tp preserves the registers r1-r3.
5114 // This is a pseudo inst so that we can get the encoding right,
5115 // complete with fixup for the aeabi_read_tp function.
5116 // TPsoft is valid for ARM mode only, in case of Thumb mode a tTPsoft pattern
5117 // is defined in "ARMInstrThumb.td".
5119 Defs = [R0, R12, LR, CPSR], Uses = [SP] in {
5120 def TPsoft : ARMPseudoInst<(outs), (ins), 4, IIC_Br,
5121 [(set R0, ARMthread_pointer)]>, Sched<[WriteBr]>;
5124 //===----------------------------------------------------------------------===//
5125 // SJLJ Exception handling intrinsics
5126 // eh_sjlj_setjmp() is an instruction sequence to store the return
5127 // address and save #0 in R0 for the non-longjmp case.
5128 // Since by its nature we may be coming from some other function to get
5129 // here, and we're using the stack frame for the containing function to
5130 // save/restore registers, we can't keep anything live in regs across
5131 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
5132 // when we get here from a longjmp(). We force everything out of registers
5133 // except for our own input by listing the relevant registers in Defs. By
5134 // doing so, we also cause the prologue/epilogue code to actively preserve
5135 // all of the callee-saved resgisters, which is exactly what we want.
5136 // A constant value is passed in $val, and we use the location as a scratch.
5138 // These are pseudo-instructions and are lowered to individual MC-insts, so
5139 // no encoding information is necessary.
5141 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR,
5142 Q0, Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8, Q9, Q10, Q11, Q12, Q13, Q14, Q15 ],
5143 hasSideEffects = 1, isBarrier = 1, usesCustomInserter = 1 in {
5144 def Int_eh_sjlj_setjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
5146 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
5147 Requires<[IsARM, HasVFP2]>;
5151 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR ],
5152 hasSideEffects = 1, isBarrier = 1, usesCustomInserter = 1 in {
5153 def Int_eh_sjlj_setjmp_nofp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
5155 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
5156 Requires<[IsARM, NoVFP]>;
5159 // FIXME: Non-IOS version(s)
5160 let isBarrier = 1, hasSideEffects = 1, isTerminator = 1,
5161 Defs = [ R7, LR, SP ] in {
5162 def Int_eh_sjlj_longjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$scratch),
5164 [(ARMeh_sjlj_longjmp GPR:$src, GPR:$scratch)]>,
5165 Requires<[IsARM, IsIOS]>;
5168 // eh.sjlj.dispatchsetup pseudo-instruction.
5169 // This pseudo is used for both ARM and Thumb. Any differences are handled when
5170 // the pseudo is expanded (which happens before any passes that need the
5171 // instruction size).
5172 let isBarrier = 1 in
5173 def Int_eh_sjlj_dispatchsetup : PseudoInst<(outs), (ins), NoItinerary, []>;
5176 //===----------------------------------------------------------------------===//
5177 // Non-Instruction Patterns
5180 // ARMv4 indirect branch using (MOVr PC, dst)
5181 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in
5182 def MOVPCRX : ARMPseudoExpand<(outs), (ins GPR:$dst),
5183 4, IIC_Br, [(brind GPR:$dst)],
5184 (MOVr PC, GPR:$dst, (ops 14, zero_reg), zero_reg)>,
5185 Requires<[IsARM, NoV4T]>, Sched<[WriteBr]>;
5187 // Large immediate handling.
5189 // 32-bit immediate using two piece so_imms or movw + movt.
5190 // This is a single pseudo instruction, the benefit is that it can be remat'd
5191 // as a single unit instead of having to handle reg inputs.
5192 // FIXME: Remove this when we can do generalized remat.
5193 let isReMaterializable = 1, isMoveImm = 1 in
5194 def MOVi32imm : PseudoInst<(outs GPR:$dst), (ins i32imm:$src), IIC_iMOVix2,
5195 [(set GPR:$dst, (arm_i32imm:$src))]>,
5198 def LDRLIT_ga_abs : PseudoInst<(outs GPR:$dst), (ins i32imm:$src), IIC_iLoad_i,
5199 [(set GPR:$dst, (ARMWrapper tglobaladdr:$src))]>,
5200 Requires<[IsARM, DontUseMovt]>;
5202 // Pseudo instruction that combines movw + movt + add pc (if PIC).
5203 // It also makes it possible to rematerialize the instructions.
5204 // FIXME: Remove this when we can do generalized remat and when machine licm
5205 // can properly the instructions.
5206 let isReMaterializable = 1 in {
5207 def MOV_ga_pcrel : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
5209 [(set GPR:$dst, (ARMWrapperPIC tglobaladdr:$addr))]>,
5210 Requires<[IsARM, UseMovt]>;
5212 def LDRLIT_ga_pcrel : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
5215 (ARMWrapperPIC tglobaladdr:$addr))]>,
5216 Requires<[IsARM, DontUseMovt]>;
5218 def LDRLIT_ga_pcrel_ldr : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
5221 (load (ARMWrapperPIC tglobaladdr:$addr)))]>,
5222 Requires<[IsARM, DontUseMovt]>;
5224 let AddedComplexity = 10 in
5225 def MOV_ga_pcrel_ldr : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
5227 [(set GPR:$dst, (load (ARMWrapperPIC tglobaladdr:$addr)))]>,
5228 Requires<[IsARM, UseMovt]>;
5229 } // isReMaterializable
5231 // ConstantPool, GlobalAddress, and JumpTable
5232 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
5233 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
5234 Requires<[IsARM, UseMovt]>;
5235 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
5236 (LEApcrelJT tjumptable:$dst, imm:$id)>;
5238 // TODO: add,sub,and, 3-instr forms?
5240 // Tail calls. These patterns also apply to Thumb mode.
5241 def : Pat<(ARMtcret tcGPR:$dst), (TCRETURNri tcGPR:$dst)>;
5242 def : Pat<(ARMtcret (i32 tglobaladdr:$dst)), (TCRETURNdi texternalsym:$dst)>;
5243 def : Pat<(ARMtcret (i32 texternalsym:$dst)), (TCRETURNdi texternalsym:$dst)>;
5246 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>;
5247 def : ARMPat<(ARMcall_nolink texternalsym:$func),
5248 (BMOVPCB_CALL texternalsym:$func)>;
5250 // zextload i1 -> zextload i8
5251 def : ARMPat<(zextloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
5252 def : ARMPat<(zextloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
5254 // extload -> zextload
5255 def : ARMPat<(extloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
5256 def : ARMPat<(extloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
5257 def : ARMPat<(extloadi8 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
5258 def : ARMPat<(extloadi8 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
5260 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
5262 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
5263 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
5266 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
5267 (sra (shl GPR:$b, (i32 16)), (i32 16))),
5268 (SMULBB GPR:$a, GPR:$b)>;
5269 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
5270 (SMULBB GPR:$a, GPR:$b)>;
5271 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
5272 (sra GPR:$b, (i32 16))),
5273 (SMULBT GPR:$a, GPR:$b)>;
5274 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
5275 (SMULBT GPR:$a, GPR:$b)>;
5276 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
5277 (sra (shl GPR:$b, (i32 16)), (i32 16))),
5278 (SMULTB GPR:$a, GPR:$b)>;
5279 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
5280 (SMULTB GPR:$a, GPR:$b)>;
5281 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
5283 (SMULWB GPR:$a, GPR:$b)>;
5284 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
5285 (SMULWB GPR:$a, GPR:$b)>;
5287 def : ARMV5MOPat<(add GPR:$acc,
5288 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
5289 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
5290 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
5291 def : ARMV5MOPat<(add GPR:$acc,
5292 (mul sext_16_node:$a, sext_16_node:$b)),
5293 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
5294 def : ARMV5MOPat<(add GPR:$acc,
5295 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
5296 (sra GPR:$b, (i32 16)))),
5297 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
5298 def : ARMV5MOPat<(add GPR:$acc,
5299 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
5300 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
5301 def : ARMV5MOPat<(add GPR:$acc,
5302 (mul (sra GPR:$a, (i32 16)),
5303 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
5304 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
5305 def : ARMV5MOPat<(add GPR:$acc,
5306 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
5307 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
5308 def : ARMV5MOPat<(add GPR:$acc,
5309 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
5311 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
5312 def : ARMV5MOPat<(add GPR:$acc,
5313 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
5314 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
5317 // Pre-v7 uses MCR for synchronization barriers.
5318 def : ARMPat<(ARMMemBarrierMCR GPR:$zero), (MCR 15, 0, GPR:$zero, 7, 10, 5)>,
5319 Requires<[IsARM, HasV6]>;
5321 // SXT/UXT with no rotate
5322 let AddedComplexity = 16 in {
5323 def : ARMV6Pat<(and GPR:$Src, 0x000000FF), (UXTB GPR:$Src, 0)>;
5324 def : ARMV6Pat<(and GPR:$Src, 0x0000FFFF), (UXTH GPR:$Src, 0)>;
5325 def : ARMV6Pat<(and GPR:$Src, 0x00FF00FF), (UXTB16 GPR:$Src, 0)>;
5326 def : ARMV6Pat<(add GPR:$Rn, (and GPR:$Rm, 0x00FF)),
5327 (UXTAB GPR:$Rn, GPR:$Rm, 0)>;
5328 def : ARMV6Pat<(add GPR:$Rn, (and GPR:$Rm, 0xFFFF)),
5329 (UXTAH GPR:$Rn, GPR:$Rm, 0)>;
5332 def : ARMV6Pat<(sext_inreg GPR:$Src, i8), (SXTB GPR:$Src, 0)>;
5333 def : ARMV6Pat<(sext_inreg GPR:$Src, i16), (SXTH GPR:$Src, 0)>;
5335 def : ARMV6Pat<(add GPR:$Rn, (sext_inreg GPRnopc:$Rm, i8)),
5336 (SXTAB GPR:$Rn, GPRnopc:$Rm, 0)>;
5337 def : ARMV6Pat<(add GPR:$Rn, (sext_inreg GPRnopc:$Rm, i16)),
5338 (SXTAH GPR:$Rn, GPRnopc:$Rm, 0)>;
5340 // Atomic load/store patterns
5341 def : ARMPat<(atomic_load_8 ldst_so_reg:$src),
5342 (LDRBrs ldst_so_reg:$src)>;
5343 def : ARMPat<(atomic_load_8 addrmode_imm12:$src),
5344 (LDRBi12 addrmode_imm12:$src)>;
5345 def : ARMPat<(atomic_load_16 addrmode3:$src),
5346 (LDRH addrmode3:$src)>;
5347 def : ARMPat<(atomic_load_32 ldst_so_reg:$src),
5348 (LDRrs ldst_so_reg:$src)>;
5349 def : ARMPat<(atomic_load_32 addrmode_imm12:$src),
5350 (LDRi12 addrmode_imm12:$src)>;
5351 def : ARMPat<(atomic_store_8 ldst_so_reg:$ptr, GPR:$val),
5352 (STRBrs GPR:$val, ldst_so_reg:$ptr)>;
5353 def : ARMPat<(atomic_store_8 addrmode_imm12:$ptr, GPR:$val),
5354 (STRBi12 GPR:$val, addrmode_imm12:$ptr)>;
5355 def : ARMPat<(atomic_store_16 addrmode3:$ptr, GPR:$val),
5356 (STRH GPR:$val, addrmode3:$ptr)>;
5357 def : ARMPat<(atomic_store_32 ldst_so_reg:$ptr, GPR:$val),
5358 (STRrs GPR:$val, ldst_so_reg:$ptr)>;
5359 def : ARMPat<(atomic_store_32 addrmode_imm12:$ptr, GPR:$val),
5360 (STRi12 GPR:$val, addrmode_imm12:$ptr)>;
5363 //===----------------------------------------------------------------------===//
5367 include "ARMInstrThumb.td"
5369 //===----------------------------------------------------------------------===//
5373 include "ARMInstrThumb2.td"
5375 //===----------------------------------------------------------------------===//
5376 // Floating Point Support
5379 include "ARMInstrVFP.td"
5381 //===----------------------------------------------------------------------===//
5382 // Advanced SIMD (NEON) Support
5385 include "ARMInstrNEON.td"
5387 //===----------------------------------------------------------------------===//
5388 // Assembler aliases
5392 def : InstAlias<"dmb", (DMB 0xf)>, Requires<[IsARM, HasDB]>;
5393 def : InstAlias<"dsb", (DSB 0xf)>, Requires<[IsARM, HasDB]>;
5394 def : InstAlias<"isb", (ISB 0xf)>, Requires<[IsARM, HasDB]>;
5396 // System instructions
5397 def : MnemonicAlias<"swi", "svc">;
5399 // Load / Store Multiple
5400 def : MnemonicAlias<"ldmfd", "ldm">;
5401 def : MnemonicAlias<"ldmia", "ldm">;
5402 def : MnemonicAlias<"ldmea", "ldmdb">;
5403 def : MnemonicAlias<"stmfd", "stmdb">;
5404 def : MnemonicAlias<"stmia", "stm">;
5405 def : MnemonicAlias<"stmea", "stm">;
5407 // PKHBT/PKHTB with default shift amount. PKHTB is equivalent to PKHBT when the
5408 // shift amount is zero (i.e., unspecified).
5409 def : InstAlias<"pkhbt${p} $Rd, $Rn, $Rm",
5410 (PKHBT GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, 0, pred:$p)>,
5411 Requires<[IsARM, HasV6]>;
5412 def : InstAlias<"pkhtb${p} $Rd, $Rn, $Rm",
5413 (PKHBT GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, 0, pred:$p)>,
5414 Requires<[IsARM, HasV6]>;
5416 // PUSH/POP aliases for STM/LDM
5417 def : ARMInstAlias<"push${p} $regs", (STMDB_UPD SP, pred:$p, reglist:$regs)>;
5418 def : ARMInstAlias<"pop${p} $regs", (LDMIA_UPD SP, pred:$p, reglist:$regs)>;
5420 // SSAT/USAT optional shift operand.
5421 def : ARMInstAlias<"ssat${p} $Rd, $sat_imm, $Rn",
5422 (SSAT GPRnopc:$Rd, imm1_32:$sat_imm, GPRnopc:$Rn, 0, pred:$p)>;
5423 def : ARMInstAlias<"usat${p} $Rd, $sat_imm, $Rn",
5424 (USAT GPRnopc:$Rd, imm0_31:$sat_imm, GPRnopc:$Rn, 0, pred:$p)>;
5427 // Extend instruction optional rotate operand.
5428 def : ARMInstAlias<"sxtab${p} $Rd, $Rn, $Rm",
5429 (SXTAB GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5430 def : ARMInstAlias<"sxtah${p} $Rd, $Rn, $Rm",
5431 (SXTAH GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5432 def : ARMInstAlias<"sxtab16${p} $Rd, $Rn, $Rm",
5433 (SXTAB16 GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5434 def : ARMInstAlias<"sxtb${p} $Rd, $Rm",
5435 (SXTB GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5436 def : ARMInstAlias<"sxtb16${p} $Rd, $Rm",
5437 (SXTB16 GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5438 def : ARMInstAlias<"sxth${p} $Rd, $Rm",
5439 (SXTH GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5441 def : ARMInstAlias<"uxtab${p} $Rd, $Rn, $Rm",
5442 (UXTAB GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5443 def : ARMInstAlias<"uxtah${p} $Rd, $Rn, $Rm",
5444 (UXTAH GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5445 def : ARMInstAlias<"uxtab16${p} $Rd, $Rn, $Rm",
5446 (UXTAB16 GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5447 def : ARMInstAlias<"uxtb${p} $Rd, $Rm",
5448 (UXTB GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5449 def : ARMInstAlias<"uxtb16${p} $Rd, $Rm",
5450 (UXTB16 GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5451 def : ARMInstAlias<"uxth${p} $Rd, $Rm",
5452 (UXTH GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5456 def : MnemonicAlias<"rfefa", "rfeda">;
5457 def : MnemonicAlias<"rfeea", "rfedb">;
5458 def : MnemonicAlias<"rfefd", "rfeia">;
5459 def : MnemonicAlias<"rfeed", "rfeib">;
5460 def : MnemonicAlias<"rfe", "rfeia">;
5463 def : MnemonicAlias<"srsfa", "srsib">;
5464 def : MnemonicAlias<"srsea", "srsia">;
5465 def : MnemonicAlias<"srsfd", "srsdb">;
5466 def : MnemonicAlias<"srsed", "srsda">;
5467 def : MnemonicAlias<"srs", "srsia">;
5470 def : MnemonicAlias<"qsubaddx", "qsax">;
5472 def : MnemonicAlias<"saddsubx", "sasx">;
5473 // SHASX == SHADDSUBX
5474 def : MnemonicAlias<"shaddsubx", "shasx">;
5475 // SHSAX == SHSUBADDX
5476 def : MnemonicAlias<"shsubaddx", "shsax">;
5478 def : MnemonicAlias<"ssubaddx", "ssax">;
5480 def : MnemonicAlias<"uaddsubx", "uasx">;
5481 // UHASX == UHADDSUBX
5482 def : MnemonicAlias<"uhaddsubx", "uhasx">;
5483 // UHSAX == UHSUBADDX
5484 def : MnemonicAlias<"uhsubaddx", "uhsax">;
5485 // UQASX == UQADDSUBX
5486 def : MnemonicAlias<"uqaddsubx", "uqasx">;
5487 // UQSAX == UQSUBADDX
5488 def : MnemonicAlias<"uqsubaddx", "uqsax">;
5490 def : MnemonicAlias<"usubaddx", "usax">;
5492 // "mov Rd, so_imm_not" can be handled via "mvn" in assembly, just like
5494 def : ARMInstAlias<"mov${s}${p} $Rd, $imm",
5495 (MVNi rGPR:$Rd, so_imm_not:$imm, pred:$p, cc_out:$s)>;
5496 def : ARMInstAlias<"mvn${s}${p} $Rd, $imm",
5497 (MOVi rGPR:$Rd, so_imm_not:$imm, pred:$p, cc_out:$s)>;
5498 // Same for AND <--> BIC
5499 def : ARMInstAlias<"bic${s}${p} $Rd, $Rn, $imm",
5500 (ANDri rGPR:$Rd, rGPR:$Rn, so_imm_not:$imm,
5501 pred:$p, cc_out:$s)>;
5502 def : ARMInstAlias<"bic${s}${p} $Rdn, $imm",
5503 (ANDri rGPR:$Rdn, rGPR:$Rdn, so_imm_not:$imm,
5504 pred:$p, cc_out:$s)>;
5505 def : ARMInstAlias<"and${s}${p} $Rd, $Rn, $imm",
5506 (BICri rGPR:$Rd, rGPR:$Rn, so_imm_not:$imm,
5507 pred:$p, cc_out:$s)>;
5508 def : ARMInstAlias<"and${s}${p} $Rdn, $imm",
5509 (BICri rGPR:$Rdn, rGPR:$Rdn, so_imm_not:$imm,
5510 pred:$p, cc_out:$s)>;
5512 // Likewise, "add Rd, so_imm_neg" -> sub
5513 def : ARMInstAlias<"add${s}${p} $Rd, $Rn, $imm",
5514 (SUBri GPR:$Rd, GPR:$Rn, so_imm_neg:$imm, pred:$p, cc_out:$s)>;
5515 def : ARMInstAlias<"add${s}${p} $Rd, $imm",
5516 (SUBri GPR:$Rd, GPR:$Rd, so_imm_neg:$imm, pred:$p, cc_out:$s)>;
5517 // Same for CMP <--> CMN via so_imm_neg
5518 def : ARMInstAlias<"cmp${p} $Rd, $imm",
5519 (CMNri rGPR:$Rd, so_imm_neg:$imm, pred:$p)>;
5520 def : ARMInstAlias<"cmn${p} $Rd, $imm",
5521 (CMPri rGPR:$Rd, so_imm_neg:$imm, pred:$p)>;
5523 // The shifter forms of the MOV instruction are aliased to the ASR, LSL,
5524 // LSR, ROR, and RRX instructions.
5525 // FIXME: We need C++ parser hooks to map the alias to the MOV
5526 // encoding. It seems we should be able to do that sort of thing
5527 // in tblgen, but it could get ugly.
5528 let TwoOperandAliasConstraint = "$Rm = $Rd" in {
5529 def ASRi : ARMAsmPseudo<"asr${s}${p} $Rd, $Rm, $imm",
5530 (ins GPR:$Rd, GPR:$Rm, imm0_32:$imm, pred:$p,
5532 def LSRi : ARMAsmPseudo<"lsr${s}${p} $Rd, $Rm, $imm",
5533 (ins GPR:$Rd, GPR:$Rm, imm0_32:$imm, pred:$p,
5535 def LSLi : ARMAsmPseudo<"lsl${s}${p} $Rd, $Rm, $imm",
5536 (ins GPR:$Rd, GPR:$Rm, imm0_31:$imm, pred:$p,
5538 def RORi : ARMAsmPseudo<"ror${s}${p} $Rd, $Rm, $imm",
5539 (ins GPR:$Rd, GPR:$Rm, imm0_31:$imm, pred:$p,
5542 def RRXi : ARMAsmPseudo<"rrx${s}${p} $Rd, $Rm",
5543 (ins GPR:$Rd, GPR:$Rm, pred:$p, cc_out:$s)>;
5544 let TwoOperandAliasConstraint = "$Rn = $Rd" in {
5545 def ASRr : ARMAsmPseudo<"asr${s}${p} $Rd, $Rn, $Rm",
5546 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5548 def LSRr : ARMAsmPseudo<"lsr${s}${p} $Rd, $Rn, $Rm",
5549 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5551 def LSLr : ARMAsmPseudo<"lsl${s}${p} $Rd, $Rn, $Rm",
5552 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5554 def RORr : ARMAsmPseudo<"ror${s}${p} $Rd, $Rn, $Rm",
5555 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5559 // "neg" is and alias for "rsb rd, rn, #0"
5560 def : ARMInstAlias<"neg${s}${p} $Rd, $Rm",
5561 (RSBri GPR:$Rd, GPR:$Rm, 0, pred:$p, cc_out:$s)>;
5563 // Pre-v6, 'mov r0, r0' was used as a NOP encoding.
5564 def : InstAlias<"nop${p}", (MOVr R0, R0, pred:$p, zero_reg)>,
5565 Requires<[IsARM, NoV6]>;
5567 // MUL/UMLAL/SMLAL/UMULL/SMULL are available on all arches, but
5568 // the instruction definitions need difference constraints pre-v6.
5569 // Use these aliases for the assembly parsing on pre-v6.
5570 def : InstAlias<"mul${s}${p} $Rd, $Rn, $Rm",
5571 (MUL GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p, cc_out:$s)>,
5572 Requires<[IsARM, NoV6]>;
5573 def : InstAlias<"mla${s}${p} $Rd, $Rn, $Rm, $Ra",
5574 (MLA GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$Ra,
5575 pred:$p, cc_out:$s)>,
5576 Requires<[IsARM, NoV6]>;
5577 def : InstAlias<"smlal${s}${p} $RdLo, $RdHi, $Rn, $Rm",
5578 (SMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
5579 Requires<[IsARM, NoV6]>;
5580 def : InstAlias<"umlal${s}${p} $RdLo, $RdHi, $Rn, $Rm",
5581 (UMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
5582 Requires<[IsARM, NoV6]>;
5583 def : InstAlias<"smull${s}${p} $RdLo, $RdHi, $Rn, $Rm",
5584 (SMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
5585 Requires<[IsARM, NoV6]>;
5586 def : InstAlias<"umull${s}${p} $RdLo, $RdHi, $Rn, $Rm",
5587 (UMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
5588 Requires<[IsARM, NoV6]>;
5590 // 'it' blocks in ARM mode just validate the predicates. The IT itself
5592 def ITasm : ARMAsmPseudo<"it$mask $cc", (ins it_pred:$cc, it_mask:$mask)>,
5593 ComplexDeprecationPredicate<"IT">;