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()">;
274 def DontUseMovt : Predicate<"!Subtarget->useMovt()">;
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()){
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())
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 // Special version of addrmode6 to handle alignment encoding for VLD-dup
995 // instructions, specifically VLD4-dup.
996 def addrmode6dup : Operand<i32>,
997 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
998 let PrintMethod = "printAddrMode6Operand";
999 let MIOperandInfo = (ops GPR:$addr, i32imm);
1000 let EncoderMethod = "getAddrMode6DupAddressOpValue";
1001 // FIXME: This is close, but not quite right. The alignment specifier is
1003 let ParserMatchClass = AddrMode6AsmOperand;
1006 // addrmodepc := pc + reg
1008 def addrmodepc : Operand<i32>,
1009 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
1010 let PrintMethod = "printAddrModePCOperand";
1011 let MIOperandInfo = (ops GPR, i32imm);
1014 // addr_offset_none := reg
1016 def MemNoOffsetAsmOperand : AsmOperandClass { let Name = "MemNoOffset"; }
1017 def addr_offset_none : Operand<i32>,
1018 ComplexPattern<i32, 1, "SelectAddrOffsetNone", []> {
1019 let PrintMethod = "printAddrMode7Operand";
1020 let DecoderMethod = "DecodeAddrMode7Operand";
1021 let ParserMatchClass = MemNoOffsetAsmOperand;
1022 let MIOperandInfo = (ops GPR:$base);
1025 def nohash_imm : Operand<i32> {
1026 let PrintMethod = "printNoHashImmediate";
1029 def CoprocNumAsmOperand : AsmOperandClass {
1030 let Name = "CoprocNum";
1031 let ParserMethod = "parseCoprocNumOperand";
1033 def p_imm : Operand<i32> {
1034 let PrintMethod = "printPImmediate";
1035 let ParserMatchClass = CoprocNumAsmOperand;
1036 let DecoderMethod = "DecodeCoprocessor";
1039 def CoprocRegAsmOperand : AsmOperandClass {
1040 let Name = "CoprocReg";
1041 let ParserMethod = "parseCoprocRegOperand";
1043 def c_imm : Operand<i32> {
1044 let PrintMethod = "printCImmediate";
1045 let ParserMatchClass = CoprocRegAsmOperand;
1047 def CoprocOptionAsmOperand : AsmOperandClass {
1048 let Name = "CoprocOption";
1049 let ParserMethod = "parseCoprocOptionOperand";
1051 def coproc_option_imm : Operand<i32> {
1052 let PrintMethod = "printCoprocOptionImm";
1053 let ParserMatchClass = CoprocOptionAsmOperand;
1056 //===----------------------------------------------------------------------===//
1058 include "ARMInstrFormats.td"
1060 //===----------------------------------------------------------------------===//
1061 // Multiclass helpers...
1064 /// AsI1_bin_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns for a
1065 /// binop that produces a value.
1066 let TwoOperandAliasConstraint = "$Rn = $Rd" in
1067 multiclass AsI1_bin_irs<bits<4> opcod, string opc,
1068 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
1069 PatFrag opnode, bit Commutable = 0> {
1070 // The register-immediate version is re-materializable. This is useful
1071 // in particular for taking the address of a local.
1072 let isReMaterializable = 1 in {
1073 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
1074 iii, opc, "\t$Rd, $Rn, $imm",
1075 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>,
1076 Sched<[WriteALU, ReadALU]> {
1081 let Inst{19-16} = Rn;
1082 let Inst{15-12} = Rd;
1083 let Inst{11-0} = imm;
1086 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
1087 iir, opc, "\t$Rd, $Rn, $Rm",
1088 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
1089 Sched<[WriteALU, ReadALU, ReadALU]> {
1094 let isCommutable = Commutable;
1095 let Inst{19-16} = Rn;
1096 let Inst{15-12} = Rd;
1097 let Inst{11-4} = 0b00000000;
1101 def rsi : AsI1<opcod, (outs GPR:$Rd),
1102 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm,
1103 iis, opc, "\t$Rd, $Rn, $shift",
1104 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_imm:$shift))]>,
1105 Sched<[WriteALUsi, ReadALU]> {
1110 let Inst{19-16} = Rn;
1111 let Inst{15-12} = Rd;
1112 let Inst{11-5} = shift{11-5};
1114 let Inst{3-0} = shift{3-0};
1117 def rsr : AsI1<opcod, (outs GPR:$Rd),
1118 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm,
1119 iis, opc, "\t$Rd, $Rn, $shift",
1120 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_reg:$shift))]>,
1121 Sched<[WriteALUsr, ReadALUsr]> {
1126 let Inst{19-16} = Rn;
1127 let Inst{15-12} = Rd;
1128 let Inst{11-8} = shift{11-8};
1130 let Inst{6-5} = shift{6-5};
1132 let Inst{3-0} = shift{3-0};
1136 /// AsI1_rbin_irs - Same as AsI1_bin_irs except the order of operands are
1137 /// reversed. The 'rr' form is only defined for the disassembler; for codegen
1138 /// it is equivalent to the AsI1_bin_irs counterpart.
1139 let TwoOperandAliasConstraint = "$Rn = $Rd" in
1140 multiclass AsI1_rbin_irs<bits<4> opcod, string opc,
1141 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
1142 PatFrag opnode, bit Commutable = 0> {
1143 // The register-immediate version is re-materializable. This is useful
1144 // in particular for taking the address of a local.
1145 let isReMaterializable = 1 in {
1146 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
1147 iii, opc, "\t$Rd, $Rn, $imm",
1148 [(set GPR:$Rd, (opnode so_imm:$imm, GPR:$Rn))]>,
1149 Sched<[WriteALU, ReadALU]> {
1154 let Inst{19-16} = Rn;
1155 let Inst{15-12} = Rd;
1156 let Inst{11-0} = imm;
1159 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
1160 iir, opc, "\t$Rd, $Rn, $Rm",
1161 [/* pattern left blank */]>,
1162 Sched<[WriteALU, ReadALU, ReadALU]> {
1166 let Inst{11-4} = 0b00000000;
1169 let Inst{15-12} = Rd;
1170 let Inst{19-16} = Rn;
1173 def rsi : AsI1<opcod, (outs GPR:$Rd),
1174 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm,
1175 iis, opc, "\t$Rd, $Rn, $shift",
1176 [(set GPR:$Rd, (opnode so_reg_imm:$shift, GPR:$Rn))]>,
1177 Sched<[WriteALUsi, ReadALU]> {
1182 let Inst{19-16} = Rn;
1183 let Inst{15-12} = Rd;
1184 let Inst{11-5} = shift{11-5};
1186 let Inst{3-0} = shift{3-0};
1189 def rsr : AsI1<opcod, (outs GPR:$Rd),
1190 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm,
1191 iis, opc, "\t$Rd, $Rn, $shift",
1192 [(set GPR:$Rd, (opnode so_reg_reg:$shift, GPR:$Rn))]>,
1193 Sched<[WriteALUsr, ReadALUsr]> {
1198 let Inst{19-16} = Rn;
1199 let Inst{15-12} = Rd;
1200 let Inst{11-8} = shift{11-8};
1202 let Inst{6-5} = shift{6-5};
1204 let Inst{3-0} = shift{3-0};
1208 /// AsI1_bin_s_irs - Same as AsI1_bin_irs except it sets the 's' bit by default.
1210 /// These opcodes will be converted to the real non-S opcodes by
1211 /// AdjustInstrPostInstrSelection after giving them an optional CPSR operand.
1212 let hasPostISelHook = 1, Defs = [CPSR] in {
1213 multiclass AsI1_bin_s_irs<InstrItinClass iii, InstrItinClass iir,
1214 InstrItinClass iis, PatFrag opnode,
1215 bit Commutable = 0> {
1216 def ri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm, pred:$p),
1218 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, so_imm:$imm))]>,
1219 Sched<[WriteALU, ReadALU]>;
1221 def rr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, pred:$p),
1223 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, GPR:$Rm))]>,
1224 Sched<[WriteALU, ReadALU, ReadALU]> {
1225 let isCommutable = Commutable;
1227 def rsi : ARMPseudoInst<(outs GPR:$Rd),
1228 (ins GPR:$Rn, so_reg_imm:$shift, pred:$p),
1230 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn,
1231 so_reg_imm:$shift))]>,
1232 Sched<[WriteALUsi, ReadALU]>;
1234 def rsr : ARMPseudoInst<(outs GPR:$Rd),
1235 (ins GPR:$Rn, so_reg_reg:$shift, pred:$p),
1237 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn,
1238 so_reg_reg:$shift))]>,
1239 Sched<[WriteALUSsr, ReadALUsr]>;
1243 /// AsI1_rbin_s_is - Same as AsI1_bin_s_irs, except selection DAG
1244 /// operands are reversed.
1245 let hasPostISelHook = 1, Defs = [CPSR] in {
1246 multiclass AsI1_rbin_s_is<InstrItinClass iii, InstrItinClass iir,
1247 InstrItinClass iis, PatFrag opnode,
1248 bit Commutable = 0> {
1249 def ri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm, pred:$p),
1251 [(set GPR:$Rd, CPSR, (opnode so_imm:$imm, GPR:$Rn))]>,
1252 Sched<[WriteALU, ReadALU]>;
1254 def rsi : ARMPseudoInst<(outs GPR:$Rd),
1255 (ins GPR:$Rn, so_reg_imm:$shift, pred:$p),
1257 [(set GPR:$Rd, CPSR, (opnode so_reg_imm:$shift,
1259 Sched<[WriteALUsi, ReadALU]>;
1261 def rsr : ARMPseudoInst<(outs GPR:$Rd),
1262 (ins GPR:$Rn, so_reg_reg:$shift, pred:$p),
1264 [(set GPR:$Rd, CPSR, (opnode so_reg_reg:$shift,
1266 Sched<[WriteALUSsr, ReadALUsr]>;
1270 /// AI1_cmp_irs - Defines a set of (op r, {so_imm|r|so_reg}) cmp / test
1271 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
1272 /// a explicit result, only implicitly set CPSR.
1273 let isCompare = 1, Defs = [CPSR] in {
1274 multiclass AI1_cmp_irs<bits<4> opcod, string opc,
1275 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
1276 PatFrag opnode, bit Commutable = 0> {
1277 def ri : AI1<opcod, (outs), (ins GPR:$Rn, so_imm:$imm), DPFrm, iii,
1279 [(opnode GPR:$Rn, so_imm:$imm)]>,
1280 Sched<[WriteCMP, ReadALU]> {
1285 let Inst{19-16} = Rn;
1286 let Inst{15-12} = 0b0000;
1287 let Inst{11-0} = imm;
1289 let Unpredictable{15-12} = 0b1111;
1291 def rr : AI1<opcod, (outs), (ins GPR:$Rn, GPR:$Rm), DPFrm, iir,
1293 [(opnode GPR:$Rn, GPR:$Rm)]>,
1294 Sched<[WriteCMP, ReadALU, ReadALU]> {
1297 let isCommutable = Commutable;
1300 let Inst{19-16} = Rn;
1301 let Inst{15-12} = 0b0000;
1302 let Inst{11-4} = 0b00000000;
1305 let Unpredictable{15-12} = 0b1111;
1307 def rsi : AI1<opcod, (outs),
1308 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm, iis,
1309 opc, "\t$Rn, $shift",
1310 [(opnode GPR:$Rn, so_reg_imm:$shift)]>,
1311 Sched<[WriteCMPsi, ReadALU]> {
1316 let Inst{19-16} = Rn;
1317 let Inst{15-12} = 0b0000;
1318 let Inst{11-5} = shift{11-5};
1320 let Inst{3-0} = shift{3-0};
1322 let Unpredictable{15-12} = 0b1111;
1324 def rsr : AI1<opcod, (outs),
1325 (ins GPRnopc:$Rn, so_reg_reg:$shift), DPSoRegRegFrm, iis,
1326 opc, "\t$Rn, $shift",
1327 [(opnode GPRnopc:$Rn, so_reg_reg:$shift)]>,
1328 Sched<[WriteCMPsr, ReadALU]> {
1333 let Inst{19-16} = Rn;
1334 let Inst{15-12} = 0b0000;
1335 let Inst{11-8} = shift{11-8};
1337 let Inst{6-5} = shift{6-5};
1339 let Inst{3-0} = shift{3-0};
1341 let Unpredictable{15-12} = 0b1111;
1347 /// AI_ext_rrot - A unary operation with two forms: one whose operand is a
1348 /// register and one whose operand is a register rotated by 8/16/24.
1349 /// FIXME: Remove the 'r' variant. Its rot_imm is zero.
1350 class AI_ext_rrot<bits<8> opcod, string opc, PatFrag opnode>
1351 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPRnopc:$Rm, rot_imm:$rot),
1352 IIC_iEXTr, opc, "\t$Rd, $Rm$rot",
1353 [(set GPRnopc:$Rd, (opnode (rotr GPRnopc:$Rm, rot_imm:$rot)))]>,
1354 Requires<[IsARM, HasV6]>, Sched<[WriteALUsi]> {
1358 let Inst{19-16} = 0b1111;
1359 let Inst{15-12} = Rd;
1360 let Inst{11-10} = rot;
1364 class AI_ext_rrot_np<bits<8> opcod, string opc>
1365 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPRnopc:$Rm, rot_imm:$rot),
1366 IIC_iEXTr, opc, "\t$Rd, $Rm$rot", []>,
1367 Requires<[IsARM, HasV6]>, Sched<[WriteALUsi]> {
1369 let Inst{19-16} = 0b1111;
1370 let Inst{11-10} = rot;
1373 /// AI_exta_rrot - A binary operation with two forms: one whose operand is a
1374 /// register and one whose operand is a register rotated by 8/16/24.
1375 class AI_exta_rrot<bits<8> opcod, string opc, PatFrag opnode>
1376 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPR:$Rn, GPRnopc:$Rm, rot_imm:$rot),
1377 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm$rot",
1378 [(set GPRnopc:$Rd, (opnode GPR:$Rn,
1379 (rotr GPRnopc:$Rm, rot_imm:$rot)))]>,
1380 Requires<[IsARM, HasV6]>, Sched<[WriteALUsr]> {
1385 let Inst{19-16} = Rn;
1386 let Inst{15-12} = Rd;
1387 let Inst{11-10} = rot;
1388 let Inst{9-4} = 0b000111;
1392 class AI_exta_rrot_np<bits<8> opcod, string opc>
1393 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPR:$Rn, GPRnopc:$Rm, rot_imm:$rot),
1394 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm$rot", []>,
1395 Requires<[IsARM, HasV6]>, Sched<[WriteALUsr]> {
1398 let Inst{19-16} = Rn;
1399 let Inst{11-10} = rot;
1402 /// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
1403 let TwoOperandAliasConstraint = "$Rn = $Rd" in
1404 multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode,
1405 bit Commutable = 0> {
1406 let hasPostISelHook = 1, Defs = [CPSR], Uses = [CPSR] in {
1407 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
1408 DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
1409 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, so_imm:$imm, CPSR))]>,
1411 Sched<[WriteALU, ReadALU]> {
1416 let Inst{15-12} = Rd;
1417 let Inst{19-16} = Rn;
1418 let Inst{11-0} = imm;
1420 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
1421 DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
1422 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, GPR:$Rm, CPSR))]>,
1424 Sched<[WriteALU, ReadALU, ReadALU]> {
1428 let Inst{11-4} = 0b00000000;
1430 let isCommutable = Commutable;
1432 let Inst{15-12} = Rd;
1433 let Inst{19-16} = Rn;
1435 def rsi : AsI1<opcod, (outs GPR:$Rd),
1436 (ins GPR:$Rn, so_reg_imm:$shift),
1437 DPSoRegImmFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1438 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, so_reg_imm:$shift, CPSR))]>,
1440 Sched<[WriteALUsi, ReadALU]> {
1445 let Inst{19-16} = Rn;
1446 let Inst{15-12} = Rd;
1447 let Inst{11-5} = shift{11-5};
1449 let Inst{3-0} = shift{3-0};
1451 def rsr : AsI1<opcod, (outs GPRnopc:$Rd),
1452 (ins GPRnopc:$Rn, so_reg_reg:$shift),
1453 DPSoRegRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1454 [(set GPRnopc:$Rd, CPSR,
1455 (opnode GPRnopc:$Rn, so_reg_reg:$shift, CPSR))]>,
1457 Sched<[WriteALUsr, ReadALUsr]> {
1462 let Inst{19-16} = Rn;
1463 let Inst{15-12} = Rd;
1464 let Inst{11-8} = shift{11-8};
1466 let Inst{6-5} = shift{6-5};
1468 let Inst{3-0} = shift{3-0};
1473 /// AI1_rsc_irs - Define instructions and patterns for rsc
1474 let TwoOperandAliasConstraint = "$Rn = $Rd" in
1475 multiclass AI1_rsc_irs<bits<4> opcod, string opc, PatFrag opnode> {
1476 let hasPostISelHook = 1, Defs = [CPSR], Uses = [CPSR] in {
1477 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
1478 DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
1479 [(set GPR:$Rd, CPSR, (opnode so_imm:$imm, GPR:$Rn, CPSR))]>,
1481 Sched<[WriteALU, ReadALU]> {
1486 let Inst{15-12} = Rd;
1487 let Inst{19-16} = Rn;
1488 let Inst{11-0} = imm;
1490 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
1491 DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
1492 [/* pattern left blank */]>,
1493 Sched<[WriteALU, ReadALU, ReadALU]> {
1497 let Inst{11-4} = 0b00000000;
1500 let Inst{15-12} = Rd;
1501 let Inst{19-16} = Rn;
1503 def rsi : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_imm:$shift),
1504 DPSoRegImmFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1505 [(set GPR:$Rd, CPSR, (opnode so_reg_imm:$shift, GPR:$Rn, CPSR))]>,
1507 Sched<[WriteALUsi, ReadALU]> {
1512 let Inst{19-16} = Rn;
1513 let Inst{15-12} = Rd;
1514 let Inst{11-5} = shift{11-5};
1516 let Inst{3-0} = shift{3-0};
1518 def rsr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_reg:$shift),
1519 DPSoRegRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1520 [(set GPR:$Rd, CPSR, (opnode so_reg_reg:$shift, GPR:$Rn, CPSR))]>,
1522 Sched<[WriteALUsr, ReadALUsr]> {
1527 let Inst{19-16} = Rn;
1528 let Inst{15-12} = Rd;
1529 let Inst{11-8} = shift{11-8};
1531 let Inst{6-5} = shift{6-5};
1533 let Inst{3-0} = shift{3-0};
1538 let canFoldAsLoad = 1, isReMaterializable = 1 in {
1539 multiclass AI_ldr1<bit isByte, string opc, InstrItinClass iii,
1540 InstrItinClass iir, PatFrag opnode> {
1541 // Note: We use the complex addrmode_imm12 rather than just an input
1542 // GPR and a constrained immediate so that we can use this to match
1543 // frame index references and avoid matching constant pool references.
1544 def i12: AI2ldst<0b010, 1, isByte, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
1545 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
1546 [(set GPR:$Rt, (opnode addrmode_imm12:$addr))]> {
1549 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1550 let Inst{19-16} = addr{16-13}; // Rn
1551 let Inst{15-12} = Rt;
1552 let Inst{11-0} = addr{11-0}; // imm12
1554 def rs : AI2ldst<0b011, 1, isByte, (outs GPR:$Rt), (ins ldst_so_reg:$shift),
1555 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
1556 [(set GPR:$Rt, (opnode ldst_so_reg:$shift))]> {
1559 let shift{4} = 0; // Inst{4} = 0
1560 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1561 let Inst{19-16} = shift{16-13}; // Rn
1562 let Inst{15-12} = Rt;
1563 let Inst{11-0} = shift{11-0};
1568 let canFoldAsLoad = 1, isReMaterializable = 1 in {
1569 multiclass AI_ldr1nopc<bit isByte, string opc, InstrItinClass iii,
1570 InstrItinClass iir, PatFrag opnode> {
1571 // Note: We use the complex addrmode_imm12 rather than just an input
1572 // GPR and a constrained immediate so that we can use this to match
1573 // frame index references and avoid matching constant pool references.
1574 def i12: AI2ldst<0b010, 1, isByte, (outs GPRnopc:$Rt),
1575 (ins addrmode_imm12:$addr),
1576 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
1577 [(set GPRnopc:$Rt, (opnode addrmode_imm12:$addr))]> {
1580 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1581 let Inst{19-16} = addr{16-13}; // Rn
1582 let Inst{15-12} = Rt;
1583 let Inst{11-0} = addr{11-0}; // imm12
1585 def rs : AI2ldst<0b011, 1, isByte, (outs GPRnopc:$Rt),
1586 (ins ldst_so_reg:$shift),
1587 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
1588 [(set GPRnopc:$Rt, (opnode ldst_so_reg:$shift))]> {
1591 let shift{4} = 0; // Inst{4} = 0
1592 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1593 let Inst{19-16} = shift{16-13}; // Rn
1594 let Inst{15-12} = Rt;
1595 let Inst{11-0} = shift{11-0};
1601 multiclass AI_str1<bit isByte, string opc, InstrItinClass iii,
1602 InstrItinClass iir, PatFrag opnode> {
1603 // Note: We use the complex addrmode_imm12 rather than just an input
1604 // GPR and a constrained immediate so that we can use this to match
1605 // frame index references and avoid matching constant pool references.
1606 def i12 : AI2ldst<0b010, 0, isByte, (outs),
1607 (ins GPR:$Rt, addrmode_imm12:$addr),
1608 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
1609 [(opnode GPR:$Rt, addrmode_imm12:$addr)]> {
1612 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1613 let Inst{19-16} = addr{16-13}; // Rn
1614 let Inst{15-12} = Rt;
1615 let Inst{11-0} = addr{11-0}; // imm12
1617 def rs : AI2ldst<0b011, 0, isByte, (outs), (ins GPR:$Rt, ldst_so_reg:$shift),
1618 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
1619 [(opnode GPR:$Rt, ldst_so_reg:$shift)]> {
1622 let shift{4} = 0; // Inst{4} = 0
1623 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1624 let Inst{19-16} = shift{16-13}; // Rn
1625 let Inst{15-12} = Rt;
1626 let Inst{11-0} = shift{11-0};
1630 multiclass AI_str1nopc<bit isByte, string opc, InstrItinClass iii,
1631 InstrItinClass iir, PatFrag opnode> {
1632 // Note: We use the complex addrmode_imm12 rather than just an input
1633 // GPR and a constrained immediate so that we can use this to match
1634 // frame index references and avoid matching constant pool references.
1635 def i12 : AI2ldst<0b010, 0, isByte, (outs),
1636 (ins GPRnopc:$Rt, addrmode_imm12:$addr),
1637 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
1638 [(opnode GPRnopc:$Rt, addrmode_imm12:$addr)]> {
1641 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1642 let Inst{19-16} = addr{16-13}; // Rn
1643 let Inst{15-12} = Rt;
1644 let Inst{11-0} = addr{11-0}; // imm12
1646 def rs : AI2ldst<0b011, 0, isByte, (outs),
1647 (ins GPRnopc:$Rt, ldst_so_reg:$shift),
1648 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
1649 [(opnode GPRnopc:$Rt, ldst_so_reg:$shift)]> {
1652 let shift{4} = 0; // Inst{4} = 0
1653 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1654 let Inst{19-16} = shift{16-13}; // Rn
1655 let Inst{15-12} = Rt;
1656 let Inst{11-0} = shift{11-0};
1661 //===----------------------------------------------------------------------===//
1663 //===----------------------------------------------------------------------===//
1665 //===----------------------------------------------------------------------===//
1666 // Miscellaneous Instructions.
1669 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
1670 /// the function. The first operand is the ID# for this instruction, the second
1671 /// is the index into the MachineConstantPool that this is, the third is the
1672 /// size in bytes of this constant pool entry.
1673 let neverHasSideEffects = 1, isNotDuplicable = 1 in
1674 def CONSTPOOL_ENTRY :
1675 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
1676 i32imm:$size), NoItinerary, []>;
1678 // FIXME: Marking these as hasSideEffects is necessary to prevent machine DCE
1679 // from removing one half of the matched pairs. That breaks PEI, which assumes
1680 // these will always be in pairs, and asserts if it finds otherwise. Better way?
1681 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
1682 def ADJCALLSTACKUP :
1683 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary,
1684 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
1686 def ADJCALLSTACKDOWN :
1687 PseudoInst<(outs), (ins i32imm:$amt, pred:$p), NoItinerary,
1688 [(ARMcallseq_start timm:$amt)]>;
1691 def HINT : AI<(outs), (ins imm0_239:$imm), MiscFrm, NoItinerary,
1692 "hint", "\t$imm", []>, Requires<[IsARM, HasV6]> {
1694 let Inst{27-8} = 0b00110010000011110000;
1695 let Inst{7-0} = imm;
1698 def : InstAlias<"nop$p", (HINT 0, pred:$p)>, Requires<[IsARM, HasV6T2]>;
1699 def : InstAlias<"yield$p", (HINT 1, pred:$p)>, Requires<[IsARM, HasV6T2]>;
1700 def : InstAlias<"wfe$p", (HINT 2, pred:$p)>, Requires<[IsARM, HasV6T2]>;
1701 def : InstAlias<"wfi$p", (HINT 3, pred:$p)>, Requires<[IsARM, HasV6T2]>;
1702 def : InstAlias<"sev$p", (HINT 4, pred:$p)>, Requires<[IsARM, HasV6T2]>;
1703 def : InstAlias<"sevl$p", (HINT 5, pred:$p)>, Requires<[IsARM, HasV8]>;
1705 def : Pat<(int_arm_sevl), (HINT 5)>;
1707 def SEL : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm, NoItinerary, "sel",
1708 "\t$Rd, $Rn, $Rm", []>, Requires<[IsARM, HasV6]> {
1713 let Inst{15-12} = Rd;
1714 let Inst{19-16} = Rn;
1715 let Inst{27-20} = 0b01101000;
1716 let Inst{7-4} = 0b1011;
1717 let Inst{11-8} = 0b1111;
1718 let Unpredictable{11-8} = 0b1111;
1721 // The 16-bit operand $val can be used by a debugger to store more information
1722 // about the breakpoint.
1723 def BKPT : AInoP<(outs), (ins imm0_65535:$val), MiscFrm, NoItinerary,
1724 "bkpt", "\t$val", []>, Requires<[IsARM]> {
1726 let Inst{3-0} = val{3-0};
1727 let Inst{19-8} = val{15-4};
1728 let Inst{27-20} = 0b00010010;
1729 let Inst{31-28} = 0xe; // AL
1730 let Inst{7-4} = 0b0111;
1732 // default immediate for breakpoint mnemonic
1733 def : InstAlias<"bkpt", (BKPT 0)>, Requires<[IsARM]>;
1735 def HLT : AInoP<(outs), (ins imm0_65535:$val), MiscFrm, NoItinerary,
1736 "hlt", "\t$val", []>, Requires<[IsARM, HasV8]> {
1738 let Inst{3-0} = val{3-0};
1739 let Inst{19-8} = val{15-4};
1740 let Inst{27-20} = 0b00010000;
1741 let Inst{31-28} = 0xe; // AL
1742 let Inst{7-4} = 0b0111;
1745 // Change Processor State
1746 // FIXME: We should use InstAlias to handle the optional operands.
1747 class CPS<dag iops, string asm_ops>
1748 : AXI<(outs), iops, MiscFrm, NoItinerary, !strconcat("cps", asm_ops),
1749 []>, Requires<[IsARM]> {
1755 let Inst{31-28} = 0b1111;
1756 let Inst{27-20} = 0b00010000;
1757 let Inst{19-18} = imod;
1758 let Inst{17} = M; // Enabled if mode is set;
1759 let Inst{16-9} = 0b00000000;
1760 let Inst{8-6} = iflags;
1762 let Inst{4-0} = mode;
1765 let DecoderMethod = "DecodeCPSInstruction" in {
1767 def CPS3p : CPS<(ins imod_op:$imod, iflags_op:$iflags, imm0_31:$mode),
1768 "$imod\t$iflags, $mode">;
1769 let mode = 0, M = 0 in
1770 def CPS2p : CPS<(ins imod_op:$imod, iflags_op:$iflags), "$imod\t$iflags">;
1772 let imod = 0, iflags = 0, M = 1 in
1773 def CPS1p : CPS<(ins imm0_31:$mode), "\t$mode">;
1776 // Preload signals the memory system of possible future data/instruction access.
1777 multiclass APreLoad<bits<1> read, bits<1> data, string opc> {
1779 def i12 : AXIM<(outs), (ins addrmode_imm12:$addr), AddrMode_i12, MiscFrm,
1780 IIC_Preload, !strconcat(opc, "\t$addr"),
1781 [(ARMPreload addrmode_imm12:$addr, (i32 read), (i32 data))]>,
1782 Sched<[WritePreLd]> {
1785 let Inst{31-26} = 0b111101;
1786 let Inst{25} = 0; // 0 for immediate form
1787 let Inst{24} = data;
1788 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1789 let Inst{22} = read;
1790 let Inst{21-20} = 0b01;
1791 let Inst{19-16} = addr{16-13}; // Rn
1792 let Inst{15-12} = 0b1111;
1793 let Inst{11-0} = addr{11-0}; // imm12
1796 def rs : AXI<(outs), (ins ldst_so_reg:$shift), MiscFrm, IIC_Preload,
1797 !strconcat(opc, "\t$shift"),
1798 [(ARMPreload ldst_so_reg:$shift, (i32 read), (i32 data))]>,
1799 Sched<[WritePreLd]> {
1801 let Inst{31-26} = 0b111101;
1802 let Inst{25} = 1; // 1 for register form
1803 let Inst{24} = data;
1804 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1805 let Inst{22} = read;
1806 let Inst{21-20} = 0b01;
1807 let Inst{19-16} = shift{16-13}; // Rn
1808 let Inst{15-12} = 0b1111;
1809 let Inst{11-0} = shift{11-0};
1814 defm PLD : APreLoad<1, 1, "pld">, Requires<[IsARM]>;
1815 defm PLDW : APreLoad<0, 1, "pldw">, Requires<[IsARM,HasV7,HasMP]>;
1816 defm PLI : APreLoad<1, 0, "pli">, Requires<[IsARM,HasV7]>;
1818 def SETEND : AXI<(outs), (ins setend_op:$end), MiscFrm, NoItinerary,
1819 "setend\t$end", []>, Requires<[IsARM]>, Deprecated<HasV8Ops> {
1821 let Inst{31-10} = 0b1111000100000001000000;
1826 def DBG : AI<(outs), (ins imm0_15:$opt), MiscFrm, NoItinerary, "dbg", "\t$opt",
1827 []>, Requires<[IsARM, HasV7]> {
1829 let Inst{27-4} = 0b001100100000111100001111;
1830 let Inst{3-0} = opt;
1834 * A5.4 Permanently UNDEFINED instructions.
1836 * For most targets use UDF #65006, for which the OS will generate SIGTRAP.
1837 * Other UDF encodings generate SIGILL.
1839 * NaCl's OS instead chooses an ARM UDF encoding that's also a UDF in Thumb.
1841 * 1110 0111 1111 iiii iiii iiii 1111 iiii
1843 * 1101 1110 iiii iiii
1844 * It uses the following encoding:
1845 * 1110 0111 1111 1110 1101 1110 1111 0000
1846 * - In ARM: UDF #60896;
1847 * - In Thumb: UDF #254 followed by a branch-to-self.
1849 let isBarrier = 1, isTerminator = 1 in
1850 def TRAPNaCl : AXI<(outs), (ins), MiscFrm, NoItinerary,
1852 Requires<[IsARM,UseNaClTrap]> {
1853 let Inst = 0xe7fedef0;
1855 let isBarrier = 1, isTerminator = 1 in
1856 def TRAP : AXI<(outs), (ins), MiscFrm, NoItinerary,
1858 Requires<[IsARM,DontUseNaClTrap]> {
1859 let Inst = 0xe7ffdefe;
1862 // Address computation and loads and stores in PIC mode.
1863 let isNotDuplicable = 1 in {
1864 def PICADD : ARMPseudoInst<(outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
1866 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>,
1867 Sched<[WriteALU, ReadALU]>;
1869 let AddedComplexity = 10 in {
1870 def PICLDR : ARMPseudoInst<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
1872 [(set GPR:$dst, (load addrmodepc:$addr))]>;
1874 def PICLDRH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1876 [(set GPR:$Rt, (zextloadi16 addrmodepc:$addr))]>;
1878 def PICLDRB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1880 [(set GPR:$Rt, (zextloadi8 addrmodepc:$addr))]>;
1882 def PICLDRSH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1884 [(set GPR:$Rt, (sextloadi16 addrmodepc:$addr))]>;
1886 def PICLDRSB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1888 [(set GPR:$Rt, (sextloadi8 addrmodepc:$addr))]>;
1890 let AddedComplexity = 10 in {
1891 def PICSTR : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1892 4, IIC_iStore_r, [(store GPR:$src, addrmodepc:$addr)]>;
1894 def PICSTRH : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1895 4, IIC_iStore_bh_r, [(truncstorei16 GPR:$src,
1896 addrmodepc:$addr)]>;
1898 def PICSTRB : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1899 4, IIC_iStore_bh_r, [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
1901 } // isNotDuplicable = 1
1904 // LEApcrel - Load a pc-relative address into a register without offending the
1906 let neverHasSideEffects = 1, isReMaterializable = 1 in
1907 // The 'adr' mnemonic encodes differently if the label is before or after
1908 // the instruction. The {24-21} opcode bits are set by the fixup, as we don't
1909 // know until then which form of the instruction will be used.
1910 def ADR : AI1<{0,?,?,0}, (outs GPR:$Rd), (ins adrlabel:$label),
1911 MiscFrm, IIC_iALUi, "adr", "\t$Rd, $label", []>,
1912 Sched<[WriteALU, ReadALU]> {
1915 let Inst{27-25} = 0b001;
1917 let Inst{23-22} = label{13-12};
1920 let Inst{19-16} = 0b1111;
1921 let Inst{15-12} = Rd;
1922 let Inst{11-0} = label{11-0};
1925 let hasSideEffects = 1 in {
1926 def LEApcrel : ARMPseudoInst<(outs GPR:$Rd), (ins i32imm:$label, pred:$p),
1927 4, IIC_iALUi, []>, Sched<[WriteALU, ReadALU]>;
1929 def LEApcrelJT : ARMPseudoInst<(outs GPR:$Rd),
1930 (ins i32imm:$label, nohash_imm:$id, pred:$p),
1931 4, IIC_iALUi, []>, Sched<[WriteALU, ReadALU]>;
1934 //===----------------------------------------------------------------------===//
1935 // Control Flow Instructions.
1938 let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
1940 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1941 "bx", "\tlr", [(ARMretflag)]>,
1942 Requires<[IsARM, HasV4T]>, Sched<[WriteBr]> {
1943 let Inst{27-0} = 0b0001001011111111111100011110;
1947 def MOVPCLR : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1948 "mov", "\tpc, lr", [(ARMretflag)]>,
1949 Requires<[IsARM, NoV4T]>, Sched<[WriteBr]> {
1950 let Inst{27-0} = 0b0001101000001111000000001110;
1953 // Exception return: N.b. doesn't set CPSR as far as we're concerned (it sets
1954 // the user-space one).
1955 def SUBS_PC_LR : ARMPseudoInst<(outs), (ins i32imm:$offset, pred:$p),
1957 [(ARMintretflag imm:$offset)]>;
1960 // Indirect branches
1961 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
1963 def BX : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
1964 [(brind GPR:$dst)]>,
1965 Requires<[IsARM, HasV4T]>, Sched<[WriteBr]> {
1967 let Inst{31-4} = 0b1110000100101111111111110001;
1968 let Inst{3-0} = dst;
1971 def BX_pred : AI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br,
1972 "bx", "\t$dst", [/* pattern left blank */]>,
1973 Requires<[IsARM, HasV4T]>, Sched<[WriteBr]> {
1975 let Inst{27-4} = 0b000100101111111111110001;
1976 let Inst{3-0} = dst;
1980 // SP is marked as a use to prevent stack-pointer assignments that appear
1981 // immediately before calls from potentially appearing dead.
1983 // FIXME: Do we really need a non-predicated version? If so, it should
1984 // at least be a pseudo instruction expanding to the predicated version
1985 // at MC lowering time.
1986 Defs = [LR], Uses = [SP] in {
1987 def BL : ABXI<0b1011, (outs), (ins bl_target:$func),
1988 IIC_Br, "bl\t$func",
1989 [(ARMcall tglobaladdr:$func)]>,
1990 Requires<[IsARM]>, Sched<[WriteBrL]> {
1991 let Inst{31-28} = 0b1110;
1993 let Inst{23-0} = func;
1994 let DecoderMethod = "DecodeBranchImmInstruction";
1997 def BL_pred : ABI<0b1011, (outs), (ins bl_target:$func),
1998 IIC_Br, "bl", "\t$func",
1999 [(ARMcall_pred tglobaladdr:$func)]>,
2000 Requires<[IsARM]>, Sched<[WriteBrL]> {
2002 let Inst{23-0} = func;
2003 let DecoderMethod = "DecodeBranchImmInstruction";
2007 def BLX : AXI<(outs), (ins GPR:$func), BrMiscFrm,
2008 IIC_Br, "blx\t$func",
2009 [(ARMcall GPR:$func)]>,
2010 Requires<[IsARM, HasV5T]>, Sched<[WriteBrL]> {
2012 let Inst{31-4} = 0b1110000100101111111111110011;
2013 let Inst{3-0} = func;
2016 def BLX_pred : AI<(outs), (ins GPR:$func), BrMiscFrm,
2017 IIC_Br, "blx", "\t$func",
2018 [(ARMcall_pred GPR:$func)]>,
2019 Requires<[IsARM, HasV5T]>, Sched<[WriteBrL]> {
2021 let Inst{27-4} = 0b000100101111111111110011;
2022 let Inst{3-0} = func;
2026 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
2027 def BX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func),
2028 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
2029 Requires<[IsARM, HasV4T]>, Sched<[WriteBr]>;
2032 def BMOVPCRX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func),
2033 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
2034 Requires<[IsARM, NoV4T]>, Sched<[WriteBr]>;
2036 // mov lr, pc; b if callee is marked noreturn to avoid confusing the
2037 // return stack predictor.
2038 def BMOVPCB_CALL : ARMPseudoInst<(outs), (ins bl_target:$func),
2039 8, IIC_Br, [(ARMcall_nolink tglobaladdr:$func)]>,
2040 Requires<[IsARM]>, Sched<[WriteBr]>;
2043 let isBranch = 1, isTerminator = 1 in {
2044 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
2045 // a two-value operand where a dag node expects two operands. :(
2046 def Bcc : ABI<0b1010, (outs), (ins br_target:$target),
2047 IIC_Br, "b", "\t$target",
2048 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]>,
2051 let Inst{23-0} = target;
2052 let DecoderMethod = "DecodeBranchImmInstruction";
2055 let isBarrier = 1 in {
2056 // B is "predicable" since it's just a Bcc with an 'always' condition.
2057 let isPredicable = 1 in
2058 // FIXME: We shouldn't need this pseudo at all. Just using Bcc directly
2059 // should be sufficient.
2060 // FIXME: Is B really a Barrier? That doesn't seem right.
2061 def B : ARMPseudoExpand<(outs), (ins br_target:$target), 4, IIC_Br,
2062 [(br bb:$target)], (Bcc br_target:$target, (ops 14, zero_reg))>,
2065 let isNotDuplicable = 1, isIndirectBranch = 1 in {
2066 def BR_JTr : ARMPseudoInst<(outs),
2067 (ins GPR:$target, i32imm:$jt, i32imm:$id),
2069 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]>,
2071 // FIXME: This shouldn't use the generic "addrmode2," but rather be split
2072 // into i12 and rs suffixed versions.
2073 def BR_JTm : ARMPseudoInst<(outs),
2074 (ins addrmode2:$target, i32imm:$jt, i32imm:$id),
2076 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
2077 imm:$id)]>, Sched<[WriteBrTbl]>;
2078 def BR_JTadd : ARMPseudoInst<(outs),
2079 (ins GPR:$target, GPR:$idx, i32imm:$jt, i32imm:$id),
2081 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
2082 imm:$id)]>, Sched<[WriteBrTbl]>;
2083 } // isNotDuplicable = 1, isIndirectBranch = 1
2089 def BLXi : AXI<(outs), (ins blx_target:$target), BrMiscFrm, NoItinerary,
2090 "blx\t$target", []>,
2091 Requires<[IsARM, HasV5T]>, Sched<[WriteBrL]> {
2092 let Inst{31-25} = 0b1111101;
2094 let Inst{23-0} = target{24-1};
2095 let Inst{24} = target{0};
2098 // Branch and Exchange Jazelle
2099 def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
2100 [/* pattern left blank */]>, Sched<[WriteBr]> {
2102 let Inst{23-20} = 0b0010;
2103 let Inst{19-8} = 0xfff;
2104 let Inst{7-4} = 0b0010;
2105 let Inst{3-0} = func;
2110 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, Uses = [SP] in {
2111 def TCRETURNdi : PseudoInst<(outs), (ins i32imm:$dst), IIC_Br, []>,
2114 def TCRETURNri : PseudoInst<(outs), (ins tcGPR:$dst), IIC_Br, []>,
2117 def TAILJMPd : ARMPseudoExpand<(outs), (ins br_target:$dst),
2119 (Bcc br_target:$dst, (ops 14, zero_reg))>,
2120 Requires<[IsARM]>, Sched<[WriteBr]>;
2122 def TAILJMPr : ARMPseudoExpand<(outs), (ins tcGPR:$dst),
2124 (BX GPR:$dst)>, Sched<[WriteBr]>,
2128 // Secure Monitor Call is a system instruction.
2129 def SMC : ABI<0b0001, (outs), (ins imm0_15:$opt), NoItinerary, "smc", "\t$opt",
2130 []>, Requires<[IsARM, HasTrustZone]> {
2132 let Inst{23-4} = 0b01100000000000000111;
2133 let Inst{3-0} = opt;
2136 // Supervisor Call (Software Interrupt)
2137 let isCall = 1, Uses = [SP] in {
2138 def SVC : ABI<0b1111, (outs), (ins imm24b:$svc), IIC_Br, "svc", "\t$svc", []>,
2141 let Inst{23-0} = svc;
2145 // Store Return State
2146 class SRSI<bit wb, string asm>
2147 : XI<(outs), (ins imm0_31:$mode), AddrModeNone, 4, IndexModeNone, BrFrm,
2148 NoItinerary, asm, "", []> {
2150 let Inst{31-28} = 0b1111;
2151 let Inst{27-25} = 0b100;
2155 let Inst{19-16} = 0b1101; // SP
2156 let Inst{15-5} = 0b00000101000;
2157 let Inst{4-0} = mode;
2160 def SRSDA : SRSI<0, "srsda\tsp, $mode"> {
2161 let Inst{24-23} = 0;
2163 def SRSDA_UPD : SRSI<1, "srsda\tsp!, $mode"> {
2164 let Inst{24-23} = 0;
2166 def SRSDB : SRSI<0, "srsdb\tsp, $mode"> {
2167 let Inst{24-23} = 0b10;
2169 def SRSDB_UPD : SRSI<1, "srsdb\tsp!, $mode"> {
2170 let Inst{24-23} = 0b10;
2172 def SRSIA : SRSI<0, "srsia\tsp, $mode"> {
2173 let Inst{24-23} = 0b01;
2175 def SRSIA_UPD : SRSI<1, "srsia\tsp!, $mode"> {
2176 let Inst{24-23} = 0b01;
2178 def SRSIB : SRSI<0, "srsib\tsp, $mode"> {
2179 let Inst{24-23} = 0b11;
2181 def SRSIB_UPD : SRSI<1, "srsib\tsp!, $mode"> {
2182 let Inst{24-23} = 0b11;
2185 def : ARMInstAlias<"srsda $mode", (SRSDA imm0_31:$mode)>;
2186 def : ARMInstAlias<"srsda $mode!", (SRSDA_UPD imm0_31:$mode)>;
2188 def : ARMInstAlias<"srsdb $mode", (SRSDB imm0_31:$mode)>;
2189 def : ARMInstAlias<"srsdb $mode!", (SRSDB_UPD imm0_31:$mode)>;
2191 def : ARMInstAlias<"srsia $mode", (SRSIA imm0_31:$mode)>;
2192 def : ARMInstAlias<"srsia $mode!", (SRSIA_UPD imm0_31:$mode)>;
2194 def : ARMInstAlias<"srsib $mode", (SRSIB imm0_31:$mode)>;
2195 def : ARMInstAlias<"srsib $mode!", (SRSIB_UPD imm0_31:$mode)>;
2197 // Return From Exception
2198 class RFEI<bit wb, string asm>
2199 : XI<(outs), (ins GPR:$Rn), AddrModeNone, 4, IndexModeNone, BrFrm,
2200 NoItinerary, asm, "", []> {
2202 let Inst{31-28} = 0b1111;
2203 let Inst{27-25} = 0b100;
2207 let Inst{19-16} = Rn;
2208 let Inst{15-0} = 0xa00;
2211 def RFEDA : RFEI<0, "rfeda\t$Rn"> {
2212 let Inst{24-23} = 0;
2214 def RFEDA_UPD : RFEI<1, "rfeda\t$Rn!"> {
2215 let Inst{24-23} = 0;
2217 def RFEDB : RFEI<0, "rfedb\t$Rn"> {
2218 let Inst{24-23} = 0b10;
2220 def RFEDB_UPD : RFEI<1, "rfedb\t$Rn!"> {
2221 let Inst{24-23} = 0b10;
2223 def RFEIA : RFEI<0, "rfeia\t$Rn"> {
2224 let Inst{24-23} = 0b01;
2226 def RFEIA_UPD : RFEI<1, "rfeia\t$Rn!"> {
2227 let Inst{24-23} = 0b01;
2229 def RFEIB : RFEI<0, "rfeib\t$Rn"> {
2230 let Inst{24-23} = 0b11;
2232 def RFEIB_UPD : RFEI<1, "rfeib\t$Rn!"> {
2233 let Inst{24-23} = 0b11;
2236 //===----------------------------------------------------------------------===//
2237 // Load / Store Instructions.
2243 defm LDR : AI_ldr1<0, "ldr", IIC_iLoad_r, IIC_iLoad_si,
2244 UnOpFrag<(load node:$Src)>>;
2245 defm LDRB : AI_ldr1nopc<1, "ldrb", IIC_iLoad_bh_r, IIC_iLoad_bh_si,
2246 UnOpFrag<(zextloadi8 node:$Src)>>;
2247 defm STR : AI_str1<0, "str", IIC_iStore_r, IIC_iStore_si,
2248 BinOpFrag<(store node:$LHS, node:$RHS)>>;
2249 defm STRB : AI_str1nopc<1, "strb", IIC_iStore_bh_r, IIC_iStore_bh_si,
2250 BinOpFrag<(truncstorei8 node:$LHS, node:$RHS)>>;
2252 // Special LDR for loads from non-pc-relative constpools.
2253 let canFoldAsLoad = 1, mayLoad = 1, neverHasSideEffects = 1,
2254 isReMaterializable = 1, isCodeGenOnly = 1 in
2255 def LDRcp : AI2ldst<0b010, 1, 0, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
2256 AddrMode_i12, LdFrm, IIC_iLoad_r, "ldr", "\t$Rt, $addr",
2260 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2261 let Inst{19-16} = 0b1111;
2262 let Inst{15-12} = Rt;
2263 let Inst{11-0} = addr{11-0}; // imm12
2266 // Loads with zero extension
2267 def LDRH : AI3ld<0b1011, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
2268 IIC_iLoad_bh_r, "ldrh", "\t$Rt, $addr",
2269 [(set GPR:$Rt, (zextloadi16 addrmode3:$addr))]>;
2271 // Loads with sign extension
2272 def LDRSH : AI3ld<0b1111, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
2273 IIC_iLoad_bh_r, "ldrsh", "\t$Rt, $addr",
2274 [(set GPR:$Rt, (sextloadi16 addrmode3:$addr))]>;
2276 def LDRSB : AI3ld<0b1101, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
2277 IIC_iLoad_bh_r, "ldrsb", "\t$Rt, $addr",
2278 [(set GPR:$Rt, (sextloadi8 addrmode3:$addr))]>;
2280 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1 in {
2282 def LDRD : AI3ld<0b1101, 0, (outs GPR:$Rt, GPR:$Rt2), (ins addrmode3:$addr),
2283 LdMiscFrm, IIC_iLoad_d_r, "ldrd", "\t$Rt, $Rt2, $addr", []>,
2284 Requires<[IsARM, HasV5TE]>;
2286 // GNU Assembler extension (compatibility)
2287 let isAsmParserOnly = 1 in
2288 def LDRD_PAIR : AI3ld<0b1101, 0, (outs GPRPairOp:$Rt), (ins addrmode3:$addr),
2289 LdMiscFrm, IIC_iLoad_d_r, "ldrd", "\t$Rt, $addr", []>,
2290 Requires<[IsARM, HasV5TE]>;
2293 def LDA : AIldracq<0b00, (outs GPR:$Rt), (ins addr_offset_none:$addr),
2294 NoItinerary, "lda", "\t$Rt, $addr", []>;
2295 def LDAB : AIldracq<0b10, (outs GPR:$Rt), (ins addr_offset_none:$addr),
2296 NoItinerary, "ldab", "\t$Rt, $addr", []>;
2297 def LDAH : AIldracq<0b11, (outs GPR:$Rt), (ins addr_offset_none:$addr),
2298 NoItinerary, "ldah", "\t$Rt, $addr", []>;
2301 multiclass AI2_ldridx<bit isByte, string opc,
2302 InstrItinClass iii, InstrItinClass iir> {
2303 def _PRE_IMM : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb),
2304 (ins addrmode_imm12_pre:$addr), IndexModePre, LdFrm, iii,
2305 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2308 let Inst{23} = addr{12};
2309 let Inst{19-16} = addr{16-13};
2310 let Inst{11-0} = addr{11-0};
2311 let DecoderMethod = "DecodeLDRPreImm";
2314 def _PRE_REG : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb),
2315 (ins ldst_so_reg:$addr), IndexModePre, LdFrm, iir,
2316 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2319 let Inst{23} = addr{12};
2320 let Inst{19-16} = addr{16-13};
2321 let Inst{11-0} = addr{11-0};
2323 let DecoderMethod = "DecodeLDRPreReg";
2326 def _POST_REG : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2327 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2328 IndexModePost, LdFrm, iir,
2329 opc, "\t$Rt, $addr, $offset",
2330 "$addr.base = $Rn_wb", []> {
2336 let Inst{23} = offset{12};
2337 let Inst{19-16} = addr;
2338 let Inst{11-0} = offset{11-0};
2341 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2344 def _POST_IMM : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2345 (ins addr_offset_none:$addr, am2offset_imm:$offset),
2346 IndexModePost, LdFrm, iii,
2347 opc, "\t$Rt, $addr, $offset",
2348 "$addr.base = $Rn_wb", []> {
2354 let Inst{23} = offset{12};
2355 let Inst{19-16} = addr;
2356 let Inst{11-0} = offset{11-0};
2358 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2363 let mayLoad = 1, neverHasSideEffects = 1 in {
2364 // FIXME: for LDR_PRE_REG etc. the itineray should be either IIC_iLoad_ru or
2365 // IIC_iLoad_siu depending on whether it the offset register is shifted.
2366 defm LDR : AI2_ldridx<0, "ldr", IIC_iLoad_iu, IIC_iLoad_ru>;
2367 defm LDRB : AI2_ldridx<1, "ldrb", IIC_iLoad_bh_iu, IIC_iLoad_bh_ru>;
2370 multiclass AI3_ldridx<bits<4> op, string opc, InstrItinClass itin> {
2371 def _PRE : AI3ldstidx<op, 1, 1, (outs GPR:$Rt, GPR:$Rn_wb),
2372 (ins addrmode3_pre:$addr), IndexModePre,
2374 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2376 let Inst{23} = addr{8}; // U bit
2377 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2378 let Inst{19-16} = addr{12-9}; // Rn
2379 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2380 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2381 let DecoderMethod = "DecodeAddrMode3Instruction";
2383 def _POST : AI3ldstidx<op, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2384 (ins addr_offset_none:$addr, am3offset:$offset),
2385 IndexModePost, LdMiscFrm, itin,
2386 opc, "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb",
2390 let Inst{23} = offset{8}; // U bit
2391 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2392 let Inst{19-16} = addr;
2393 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2394 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2395 let DecoderMethod = "DecodeAddrMode3Instruction";
2399 let mayLoad = 1, neverHasSideEffects = 1 in {
2400 defm LDRH : AI3_ldridx<0b1011, "ldrh", IIC_iLoad_bh_ru>;
2401 defm LDRSH : AI3_ldridx<0b1111, "ldrsh", IIC_iLoad_bh_ru>;
2402 defm LDRSB : AI3_ldridx<0b1101, "ldrsb", IIC_iLoad_bh_ru>;
2403 let hasExtraDefRegAllocReq = 1 in {
2404 def LDRD_PRE : AI3ldstidx<0b1101, 0, 1, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
2405 (ins addrmode3_pre:$addr), IndexModePre,
2406 LdMiscFrm, IIC_iLoad_d_ru,
2407 "ldrd", "\t$Rt, $Rt2, $addr!",
2408 "$addr.base = $Rn_wb", []> {
2410 let Inst{23} = addr{8}; // U bit
2411 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2412 let Inst{19-16} = addr{12-9}; // Rn
2413 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2414 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2415 let DecoderMethod = "DecodeAddrMode3Instruction";
2417 def LDRD_POST: AI3ldstidx<0b1101, 0, 0, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
2418 (ins addr_offset_none:$addr, am3offset:$offset),
2419 IndexModePost, LdMiscFrm, IIC_iLoad_d_ru,
2420 "ldrd", "\t$Rt, $Rt2, $addr, $offset",
2421 "$addr.base = $Rn_wb", []> {
2424 let Inst{23} = offset{8}; // U bit
2425 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2426 let Inst{19-16} = addr;
2427 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2428 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2429 let DecoderMethod = "DecodeAddrMode3Instruction";
2431 } // hasExtraDefRegAllocReq = 1
2432 } // mayLoad = 1, neverHasSideEffects = 1
2434 // LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT.
2435 let mayLoad = 1, neverHasSideEffects = 1 in {
2436 def LDRT_POST_REG : AI2ldstidx<1, 0, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2437 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2438 IndexModePost, LdFrm, IIC_iLoad_ru,
2439 "ldrt", "\t$Rt, $addr, $offset",
2440 "$addr.base = $Rn_wb", []> {
2446 let Inst{23} = offset{12};
2447 let Inst{21} = 1; // overwrite
2448 let Inst{19-16} = addr;
2449 let Inst{11-5} = offset{11-5};
2451 let Inst{3-0} = offset{3-0};
2452 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2456 : AI2ldstidx<1, 0, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2457 (ins addr_offset_none:$addr, am2offset_imm:$offset),
2458 IndexModePost, LdFrm, IIC_iLoad_ru,
2459 "ldrt", "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb", []> {
2465 let Inst{23} = offset{12};
2466 let Inst{21} = 1; // overwrite
2467 let Inst{19-16} = addr;
2468 let Inst{11-0} = offset{11-0};
2469 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2472 def LDRBT_POST_REG : AI2ldstidx<1, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2473 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2474 IndexModePost, LdFrm, IIC_iLoad_bh_ru,
2475 "ldrbt", "\t$Rt, $addr, $offset",
2476 "$addr.base = $Rn_wb", []> {
2482 let Inst{23} = offset{12};
2483 let Inst{21} = 1; // overwrite
2484 let Inst{19-16} = addr;
2485 let Inst{11-5} = offset{11-5};
2487 let Inst{3-0} = offset{3-0};
2488 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2492 : AI2ldstidx<1, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2493 (ins addr_offset_none:$addr, am2offset_imm:$offset),
2494 IndexModePost, LdFrm, IIC_iLoad_bh_ru,
2495 "ldrbt", "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb", []> {
2501 let Inst{23} = offset{12};
2502 let Inst{21} = 1; // overwrite
2503 let Inst{19-16} = addr;
2504 let Inst{11-0} = offset{11-0};
2505 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2508 multiclass AI3ldrT<bits<4> op, string opc> {
2509 def i : AI3ldstidxT<op, 1, (outs GPR:$Rt, GPR:$base_wb),
2510 (ins addr_offset_none:$addr, postidx_imm8:$offset),
2511 IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru, opc,
2512 "\t$Rt, $addr, $offset", "$addr.base = $base_wb", []> {
2514 let Inst{23} = offset{8};
2516 let Inst{11-8} = offset{7-4};
2517 let Inst{3-0} = offset{3-0};
2519 def r : AI3ldstidxT<op, 1, (outs GPRnopc:$Rt, GPRnopc:$base_wb),
2520 (ins addr_offset_none:$addr, postidx_reg:$Rm),
2521 IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru, opc,
2522 "\t$Rt, $addr, $Rm", "$addr.base = $base_wb", []> {
2524 let Inst{23} = Rm{4};
2527 let Unpredictable{11-8} = 0b1111;
2528 let Inst{3-0} = Rm{3-0};
2529 let DecoderMethod = "DecodeLDR";
2533 defm LDRSBT : AI3ldrT<0b1101, "ldrsbt">;
2534 defm LDRHT : AI3ldrT<0b1011, "ldrht">;
2535 defm LDRSHT : AI3ldrT<0b1111, "ldrsht">;
2539 : ARMAsmPseudo<"ldrt${q} $Rt, $addr", (ins addr_offset_none:$addr, pred:$q),
2543 : ARMAsmPseudo<"ldrbt${q} $Rt, $addr", (ins addr_offset_none:$addr, pred:$q),
2548 // Stores with truncate
2549 def STRH : AI3str<0b1011, (outs), (ins GPR:$Rt, addrmode3:$addr), StMiscFrm,
2550 IIC_iStore_bh_r, "strh", "\t$Rt, $addr",
2551 [(truncstorei16 GPR:$Rt, addrmode3:$addr)]>;
2554 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in {
2555 def STRD : AI3str<0b1111, (outs), (ins GPR:$Rt, GPR:$Rt2, addrmode3:$addr),
2556 StMiscFrm, IIC_iStore_d_r, "strd", "\t$Rt, $Rt2, $addr", []>,
2557 Requires<[IsARM, HasV5TE]> {
2561 // GNU Assembler extension (compatibility)
2562 let isAsmParserOnly = 1 in
2563 def STRD_PAIR : AI3str<0b1111, (outs), (ins GPRPairOp:$Rt, addrmode3:$addr),
2564 StMiscFrm, IIC_iStore_d_r, "strd", "\t$Rt, $addr", []>,
2565 Requires<[IsARM, HasV5TE]> {
2571 multiclass AI2_stridx<bit isByte, string opc,
2572 InstrItinClass iii, InstrItinClass iir> {
2573 def _PRE_IMM : AI2ldstidx<0, isByte, 1, (outs GPR:$Rn_wb),
2574 (ins GPR:$Rt, addrmode_imm12_pre:$addr), IndexModePre,
2576 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2579 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2580 let Inst{19-16} = addr{16-13}; // Rn
2581 let Inst{11-0} = addr{11-0}; // imm12
2582 let DecoderMethod = "DecodeSTRPreImm";
2585 def _PRE_REG : AI2ldstidx<0, isByte, 1, (outs GPR:$Rn_wb),
2586 (ins GPR:$Rt, ldst_so_reg:$addr),
2587 IndexModePre, StFrm, iir,
2588 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2591 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2592 let Inst{19-16} = addr{16-13}; // Rn
2593 let Inst{11-0} = addr{11-0};
2594 let Inst{4} = 0; // Inst{4} = 0
2595 let DecoderMethod = "DecodeSTRPreReg";
2597 def _POST_REG : AI2ldstidx<0, isByte, 0, (outs GPR:$Rn_wb),
2598 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_reg:$offset),
2599 IndexModePost, StFrm, iir,
2600 opc, "\t$Rt, $addr, $offset",
2601 "$addr.base = $Rn_wb", []> {
2607 let Inst{23} = offset{12};
2608 let Inst{19-16} = addr;
2609 let Inst{11-0} = offset{11-0};
2612 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2615 def _POST_IMM : AI2ldstidx<0, isByte, 0, (outs GPR:$Rn_wb),
2616 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_imm:$offset),
2617 IndexModePost, StFrm, iii,
2618 opc, "\t$Rt, $addr, $offset",
2619 "$addr.base = $Rn_wb", []> {
2625 let Inst{23} = offset{12};
2626 let Inst{19-16} = addr;
2627 let Inst{11-0} = offset{11-0};
2629 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2633 let mayStore = 1, neverHasSideEffects = 1 in {
2634 // FIXME: for STR_PRE_REG etc. the itineray should be either IIC_iStore_ru or
2635 // IIC_iStore_siu depending on whether it the offset register is shifted.
2636 defm STR : AI2_stridx<0, "str", IIC_iStore_iu, IIC_iStore_ru>;
2637 defm STRB : AI2_stridx<1, "strb", IIC_iStore_bh_iu, IIC_iStore_bh_ru>;
2640 def : ARMPat<(post_store GPR:$Rt, addr_offset_none:$addr,
2641 am2offset_reg:$offset),
2642 (STR_POST_REG GPR:$Rt, addr_offset_none:$addr,
2643 am2offset_reg:$offset)>;
2644 def : ARMPat<(post_store GPR:$Rt, addr_offset_none:$addr,
2645 am2offset_imm:$offset),
2646 (STR_POST_IMM GPR:$Rt, addr_offset_none:$addr,
2647 am2offset_imm:$offset)>;
2648 def : ARMPat<(post_truncsti8 GPR:$Rt, addr_offset_none:$addr,
2649 am2offset_reg:$offset),
2650 (STRB_POST_REG GPR:$Rt, addr_offset_none:$addr,
2651 am2offset_reg:$offset)>;
2652 def : ARMPat<(post_truncsti8 GPR:$Rt, addr_offset_none:$addr,
2653 am2offset_imm:$offset),
2654 (STRB_POST_IMM GPR:$Rt, addr_offset_none:$addr,
2655 am2offset_imm:$offset)>;
2657 // Pseudo-instructions for pattern matching the pre-indexed stores. We can't
2658 // put the patterns on the instruction definitions directly as ISel wants
2659 // the address base and offset to be separate operands, not a single
2660 // complex operand like we represent the instructions themselves. The
2661 // pseudos map between the two.
2662 let usesCustomInserter = 1,
2663 Constraints = "$Rn = $Rn_wb,@earlyclobber $Rn_wb" in {
2664 def STRi_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2665 (ins GPR:$Rt, GPR:$Rn, am2offset_imm:$offset, pred:$p),
2668 (pre_store GPR:$Rt, GPR:$Rn, am2offset_imm:$offset))]>;
2669 def STRr_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2670 (ins GPR:$Rt, GPR:$Rn, am2offset_reg:$offset, pred:$p),
2673 (pre_store GPR:$Rt, GPR:$Rn, am2offset_reg:$offset))]>;
2674 def STRBi_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2675 (ins GPR:$Rt, GPR:$Rn, am2offset_imm:$offset, pred:$p),
2678 (pre_truncsti8 GPR:$Rt, GPR:$Rn, am2offset_imm:$offset))]>;
2679 def STRBr_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2680 (ins GPR:$Rt, GPR:$Rn, am2offset_reg:$offset, pred:$p),
2683 (pre_truncsti8 GPR:$Rt, GPR:$Rn, am2offset_reg:$offset))]>;
2684 def STRH_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2685 (ins GPR:$Rt, GPR:$Rn, am3offset:$offset, pred:$p),
2688 (pre_truncsti16 GPR:$Rt, GPR:$Rn, am3offset:$offset))]>;
2693 def STRH_PRE : AI3ldstidx<0b1011, 0, 1, (outs GPR:$Rn_wb),
2694 (ins GPR:$Rt, addrmode3_pre:$addr), IndexModePre,
2695 StMiscFrm, IIC_iStore_bh_ru,
2696 "strh", "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2698 let Inst{23} = addr{8}; // U bit
2699 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2700 let Inst{19-16} = addr{12-9}; // Rn
2701 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2702 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2703 let DecoderMethod = "DecodeAddrMode3Instruction";
2706 def STRH_POST : AI3ldstidx<0b1011, 0, 0, (outs GPR:$Rn_wb),
2707 (ins GPR:$Rt, addr_offset_none:$addr, am3offset:$offset),
2708 IndexModePost, StMiscFrm, IIC_iStore_bh_ru,
2709 "strh", "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb",
2710 [(set GPR:$Rn_wb, (post_truncsti16 GPR:$Rt,
2711 addr_offset_none:$addr,
2712 am3offset:$offset))]> {
2715 let Inst{23} = offset{8}; // U bit
2716 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2717 let Inst{19-16} = addr;
2718 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2719 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2720 let DecoderMethod = "DecodeAddrMode3Instruction";
2723 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in {
2724 def STRD_PRE : AI3ldstidx<0b1111, 0, 1, (outs GPR:$Rn_wb),
2725 (ins GPR:$Rt, GPR:$Rt2, addrmode3_pre:$addr),
2726 IndexModePre, StMiscFrm, IIC_iStore_d_ru,
2727 "strd", "\t$Rt, $Rt2, $addr!",
2728 "$addr.base = $Rn_wb", []> {
2730 let Inst{23} = addr{8}; // U bit
2731 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2732 let Inst{19-16} = addr{12-9}; // Rn
2733 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2734 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2735 let DecoderMethod = "DecodeAddrMode3Instruction";
2738 def STRD_POST: AI3ldstidx<0b1111, 0, 0, (outs GPR:$Rn_wb),
2739 (ins GPR:$Rt, GPR:$Rt2, addr_offset_none:$addr,
2741 IndexModePost, StMiscFrm, IIC_iStore_d_ru,
2742 "strd", "\t$Rt, $Rt2, $addr, $offset",
2743 "$addr.base = $Rn_wb", []> {
2746 let Inst{23} = offset{8}; // U bit
2747 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2748 let Inst{19-16} = addr;
2749 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2750 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2751 let DecoderMethod = "DecodeAddrMode3Instruction";
2753 } // mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1
2755 // STRT, STRBT, and STRHT
2757 def STRBT_POST_REG : AI2ldstidx<0, 1, 0, (outs GPR:$Rn_wb),
2758 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_reg:$offset),
2759 IndexModePost, StFrm, IIC_iStore_bh_ru,
2760 "strbt", "\t$Rt, $addr, $offset",
2761 "$addr.base = $Rn_wb", []> {
2767 let Inst{23} = offset{12};
2768 let Inst{21} = 1; // overwrite
2769 let Inst{19-16} = addr;
2770 let Inst{11-5} = offset{11-5};
2772 let Inst{3-0} = offset{3-0};
2773 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2777 : AI2ldstidx<0, 1, 0, (outs GPR:$Rn_wb),
2778 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_imm:$offset),
2779 IndexModePost, StFrm, IIC_iStore_bh_ru,
2780 "strbt", "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb", []> {
2786 let Inst{23} = offset{12};
2787 let Inst{21} = 1; // overwrite
2788 let Inst{19-16} = addr;
2789 let Inst{11-0} = offset{11-0};
2790 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2794 : ARMAsmPseudo<"strbt${q} $Rt, $addr",
2795 (ins GPR:$Rt, addr_offset_none:$addr, pred:$q)>;
2797 let mayStore = 1, neverHasSideEffects = 1 in {
2798 def STRT_POST_REG : AI2ldstidx<0, 0, 0, (outs GPR:$Rn_wb),
2799 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_reg:$offset),
2800 IndexModePost, StFrm, IIC_iStore_ru,
2801 "strt", "\t$Rt, $addr, $offset",
2802 "$addr.base = $Rn_wb", []> {
2808 let Inst{23} = offset{12};
2809 let Inst{21} = 1; // overwrite
2810 let Inst{19-16} = addr;
2811 let Inst{11-5} = offset{11-5};
2813 let Inst{3-0} = offset{3-0};
2814 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2818 : AI2ldstidx<0, 0, 0, (outs GPR:$Rn_wb),
2819 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_imm:$offset),
2820 IndexModePost, StFrm, IIC_iStore_ru,
2821 "strt", "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb", []> {
2827 let Inst{23} = offset{12};
2828 let Inst{21} = 1; // overwrite
2829 let Inst{19-16} = addr;
2830 let Inst{11-0} = offset{11-0};
2831 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2836 : ARMAsmPseudo<"strt${q} $Rt, $addr",
2837 (ins GPR:$Rt, addr_offset_none:$addr, pred:$q)>;
2839 multiclass AI3strT<bits<4> op, string opc> {
2840 def i : AI3ldstidxT<op, 0, (outs GPR:$base_wb),
2841 (ins GPR:$Rt, addr_offset_none:$addr, postidx_imm8:$offset),
2842 IndexModePost, StMiscFrm, IIC_iStore_bh_ru, opc,
2843 "\t$Rt, $addr, $offset", "$addr.base = $base_wb", []> {
2845 let Inst{23} = offset{8};
2847 let Inst{11-8} = offset{7-4};
2848 let Inst{3-0} = offset{3-0};
2850 def r : AI3ldstidxT<op, 0, (outs GPR:$base_wb),
2851 (ins GPR:$Rt, addr_offset_none:$addr, postidx_reg:$Rm),
2852 IndexModePost, StMiscFrm, IIC_iStore_bh_ru, opc,
2853 "\t$Rt, $addr, $Rm", "$addr.base = $base_wb", []> {
2855 let Inst{23} = Rm{4};
2858 let Inst{3-0} = Rm{3-0};
2863 defm STRHT : AI3strT<0b1011, "strht">;
2865 def STL : AIstrrel<0b00, (outs), (ins GPR:$Rt, addr_offset_none:$addr),
2866 NoItinerary, "stl", "\t$Rt, $addr", []>;
2867 def STLB : AIstrrel<0b10, (outs), (ins GPR:$Rt, addr_offset_none:$addr),
2868 NoItinerary, "stlb", "\t$Rt, $addr", []>;
2869 def STLH : AIstrrel<0b11, (outs), (ins GPR:$Rt, addr_offset_none:$addr),
2870 NoItinerary, "stlh", "\t$Rt, $addr", []>;
2872 //===----------------------------------------------------------------------===//
2873 // Load / store multiple Instructions.
2876 multiclass arm_ldst_mult<string asm, string sfx, bit L_bit, bit P_bit, Format f,
2877 InstrItinClass itin, InstrItinClass itin_upd> {
2878 // IA is the default, so no need for an explicit suffix on the
2879 // mnemonic here. Without it is the canonical spelling.
2881 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2882 IndexModeNone, f, itin,
2883 !strconcat(asm, "${p}\t$Rn, $regs", sfx), "", []> {
2884 let Inst{24-23} = 0b01; // Increment After
2885 let Inst{22} = P_bit;
2886 let Inst{21} = 0; // No writeback
2887 let Inst{20} = L_bit;
2890 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2891 IndexModeUpd, f, itin_upd,
2892 !strconcat(asm, "${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
2893 let Inst{24-23} = 0b01; // Increment After
2894 let Inst{22} = P_bit;
2895 let Inst{21} = 1; // Writeback
2896 let Inst{20} = L_bit;
2898 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
2901 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2902 IndexModeNone, f, itin,
2903 !strconcat(asm, "da${p}\t$Rn, $regs", sfx), "", []> {
2904 let Inst{24-23} = 0b00; // Decrement After
2905 let Inst{22} = P_bit;
2906 let Inst{21} = 0; // No writeback
2907 let Inst{20} = L_bit;
2910 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2911 IndexModeUpd, f, itin_upd,
2912 !strconcat(asm, "da${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
2913 let Inst{24-23} = 0b00; // Decrement After
2914 let Inst{22} = P_bit;
2915 let Inst{21} = 1; // Writeback
2916 let Inst{20} = L_bit;
2918 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
2921 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2922 IndexModeNone, f, itin,
2923 !strconcat(asm, "db${p}\t$Rn, $regs", sfx), "", []> {
2924 let Inst{24-23} = 0b10; // Decrement Before
2925 let Inst{22} = P_bit;
2926 let Inst{21} = 0; // No writeback
2927 let Inst{20} = L_bit;
2930 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2931 IndexModeUpd, f, itin_upd,
2932 !strconcat(asm, "db${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
2933 let Inst{24-23} = 0b10; // Decrement Before
2934 let Inst{22} = P_bit;
2935 let Inst{21} = 1; // Writeback
2936 let Inst{20} = L_bit;
2938 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
2941 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2942 IndexModeNone, f, itin,
2943 !strconcat(asm, "ib${p}\t$Rn, $regs", sfx), "", []> {
2944 let Inst{24-23} = 0b11; // Increment Before
2945 let Inst{22} = P_bit;
2946 let Inst{21} = 0; // No writeback
2947 let Inst{20} = L_bit;
2950 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2951 IndexModeUpd, f, itin_upd,
2952 !strconcat(asm, "ib${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
2953 let Inst{24-23} = 0b11; // Increment Before
2954 let Inst{22} = P_bit;
2955 let Inst{21} = 1; // Writeback
2956 let Inst{20} = L_bit;
2958 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
2962 let neverHasSideEffects = 1 in {
2964 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
2965 defm LDM : arm_ldst_mult<"ldm", "", 1, 0, LdStMulFrm, IIC_iLoad_m,
2968 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
2969 defm STM : arm_ldst_mult<"stm", "", 0, 0, LdStMulFrm, IIC_iStore_m,
2972 } // neverHasSideEffects
2974 // FIXME: remove when we have a way to marking a MI with these properties.
2975 // FIXME: Should pc be an implicit operand like PICADD, etc?
2976 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
2977 hasExtraDefRegAllocReq = 1, isCodeGenOnly = 1 in
2978 def LDMIA_RET : ARMPseudoExpand<(outs GPR:$wb), (ins GPR:$Rn, pred:$p,
2979 reglist:$regs, variable_ops),
2980 4, IIC_iLoad_mBr, [],
2981 (LDMIA_UPD GPR:$wb, GPR:$Rn, pred:$p, reglist:$regs)>,
2982 RegConstraint<"$Rn = $wb">;
2984 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
2985 defm sysLDM : arm_ldst_mult<"ldm", " ^", 1, 1, LdStMulFrm, IIC_iLoad_m,
2988 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
2989 defm sysSTM : arm_ldst_mult<"stm", " ^", 0, 1, LdStMulFrm, IIC_iStore_m,
2994 //===----------------------------------------------------------------------===//
2995 // Move Instructions.
2998 let neverHasSideEffects = 1 in
2999 def MOVr : AsI1<0b1101, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMOVr,
3000 "mov", "\t$Rd, $Rm", []>, UnaryDP, Sched<[WriteALU]> {
3004 let Inst{19-16} = 0b0000;
3005 let Inst{11-4} = 0b00000000;
3008 let Inst{15-12} = Rd;
3011 // A version for the smaller set of tail call registers.
3012 let neverHasSideEffects = 1 in
3013 def MOVr_TC : AsI1<0b1101, (outs tcGPR:$Rd), (ins tcGPR:$Rm), DPFrm,
3014 IIC_iMOVr, "mov", "\t$Rd, $Rm", []>, UnaryDP, Sched<[WriteALU]> {
3018 let Inst{11-4} = 0b00000000;
3021 let Inst{15-12} = Rd;
3024 def MOVsr : AsI1<0b1101, (outs GPRnopc:$Rd), (ins shift_so_reg_reg:$src),
3025 DPSoRegRegFrm, IIC_iMOVsr,
3026 "mov", "\t$Rd, $src",
3027 [(set GPRnopc:$Rd, shift_so_reg_reg:$src)]>, UnaryDP,
3031 let Inst{15-12} = Rd;
3032 let Inst{19-16} = 0b0000;
3033 let Inst{11-8} = src{11-8};
3035 let Inst{6-5} = src{6-5};
3037 let Inst{3-0} = src{3-0};
3041 def MOVsi : AsI1<0b1101, (outs GPR:$Rd), (ins shift_so_reg_imm:$src),
3042 DPSoRegImmFrm, IIC_iMOVsr,
3043 "mov", "\t$Rd, $src", [(set GPR:$Rd, shift_so_reg_imm:$src)]>,
3044 UnaryDP, Sched<[WriteALU]> {
3047 let Inst{15-12} = Rd;
3048 let Inst{19-16} = 0b0000;
3049 let Inst{11-5} = src{11-5};
3051 let Inst{3-0} = src{3-0};
3055 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
3056 def MOVi : AsI1<0b1101, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm, IIC_iMOVi,
3057 "mov", "\t$Rd, $imm", [(set GPR:$Rd, so_imm:$imm)]>, UnaryDP,
3062 let Inst{15-12} = Rd;
3063 let Inst{19-16} = 0b0000;
3064 let Inst{11-0} = imm;
3067 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
3068 def MOVi16 : AI1<0b1000, (outs GPR:$Rd), (ins imm0_65535_expr:$imm),
3070 "movw", "\t$Rd, $imm",
3071 [(set GPR:$Rd, imm0_65535:$imm)]>,
3072 Requires<[IsARM, HasV6T2]>, UnaryDP, Sched<[WriteALU]> {
3075 let Inst{15-12} = Rd;
3076 let Inst{11-0} = imm{11-0};
3077 let Inst{19-16} = imm{15-12};
3080 let DecoderMethod = "DecodeArmMOVTWInstruction";
3083 def : InstAlias<"mov${p} $Rd, $imm",
3084 (MOVi16 GPR:$Rd, imm0_65535_expr:$imm, pred:$p)>,
3087 def MOVi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
3088 (ins i32imm:$addr, pclabel:$id), IIC_iMOVi, []>,
3091 let Constraints = "$src = $Rd" in {
3092 def MOVTi16 : AI1<0b1010, (outs GPRnopc:$Rd),
3093 (ins GPR:$src, imm0_65535_expr:$imm),
3095 "movt", "\t$Rd, $imm",
3097 (or (and GPR:$src, 0xffff),
3098 lo16AllZero:$imm))]>, UnaryDP,
3099 Requires<[IsARM, HasV6T2]>, Sched<[WriteALU]> {
3102 let Inst{15-12} = Rd;
3103 let Inst{11-0} = imm{11-0};
3104 let Inst{19-16} = imm{15-12};
3107 let DecoderMethod = "DecodeArmMOVTWInstruction";
3110 def MOVTi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
3111 (ins GPR:$src, i32imm:$addr, pclabel:$id), IIC_iMOVi, []>,
3116 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
3117 Requires<[IsARM, HasV6T2]>;
3119 let Uses = [CPSR] in
3120 def RRX: PseudoInst<(outs GPR:$Rd), (ins GPR:$Rm), IIC_iMOVsi,
3121 [(set GPR:$Rd, (ARMrrx GPR:$Rm))]>, UnaryDP,
3122 Requires<[IsARM]>, Sched<[WriteALU]>;
3124 // These aren't really mov instructions, but we have to define them this way
3125 // due to flag operands.
3127 let Defs = [CPSR] in {
3128 def MOVsrl_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
3129 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP,
3130 Sched<[WriteALU]>, Requires<[IsARM]>;
3131 def MOVsra_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
3132 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP,
3133 Sched<[WriteALU]>, Requires<[IsARM]>;
3136 //===----------------------------------------------------------------------===//
3137 // Extend Instructions.
3142 def SXTB : AI_ext_rrot<0b01101010,
3143 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
3144 def SXTH : AI_ext_rrot<0b01101011,
3145 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
3147 def SXTAB : AI_exta_rrot<0b01101010,
3148 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
3149 def SXTAH : AI_exta_rrot<0b01101011,
3150 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
3152 def SXTB16 : AI_ext_rrot_np<0b01101000, "sxtb16">;
3154 def SXTAB16 : AI_exta_rrot_np<0b01101000, "sxtab16">;
3158 let AddedComplexity = 16 in {
3159 def UXTB : AI_ext_rrot<0b01101110,
3160 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
3161 def UXTH : AI_ext_rrot<0b01101111,
3162 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
3163 def UXTB16 : AI_ext_rrot<0b01101100,
3164 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
3166 // FIXME: This pattern incorrectly assumes the shl operator is a rotate.
3167 // The transformation should probably be done as a combiner action
3168 // instead so we can include a check for masking back in the upper
3169 // eight bits of the source into the lower eight bits of the result.
3170 //def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
3171 // (UXTB16r_rot GPR:$Src, 3)>;
3172 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
3173 (UXTB16 GPR:$Src, 1)>;
3175 def UXTAB : AI_exta_rrot<0b01101110, "uxtab",
3176 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
3177 def UXTAH : AI_exta_rrot<0b01101111, "uxtah",
3178 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
3181 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
3182 def UXTAB16 : AI_exta_rrot_np<0b01101100, "uxtab16">;
3185 def SBFX : I<(outs GPRnopc:$Rd),
3186 (ins GPRnopc:$Rn, imm0_31:$lsb, imm1_32:$width),
3187 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3188 "sbfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
3189 Requires<[IsARM, HasV6T2]> {
3194 let Inst{27-21} = 0b0111101;
3195 let Inst{6-4} = 0b101;
3196 let Inst{20-16} = width;
3197 let Inst{15-12} = Rd;
3198 let Inst{11-7} = lsb;
3202 def UBFX : I<(outs GPR:$Rd),
3203 (ins GPR:$Rn, imm0_31:$lsb, imm1_32:$width),
3204 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3205 "ubfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
3206 Requires<[IsARM, HasV6T2]> {
3211 let Inst{27-21} = 0b0111111;
3212 let Inst{6-4} = 0b101;
3213 let Inst{20-16} = width;
3214 let Inst{15-12} = Rd;
3215 let Inst{11-7} = lsb;
3219 //===----------------------------------------------------------------------===//
3220 // Arithmetic Instructions.
3223 defm ADD : AsI1_bin_irs<0b0100, "add",
3224 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3225 BinOpFrag<(add node:$LHS, node:$RHS)>, 1>;
3226 defm SUB : AsI1_bin_irs<0b0010, "sub",
3227 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3228 BinOpFrag<(sub node:$LHS, node:$RHS)>>;
3230 // ADD and SUB with 's' bit set.
3232 // Currently, ADDS/SUBS are pseudo opcodes that exist only in the
3233 // selection DAG. They are "lowered" to real ADD/SUB opcodes by
3234 // AdjustInstrPostInstrSelection where we determine whether or not to
3235 // set the "s" bit based on CPSR liveness.
3237 // FIXME: Eliminate ADDS/SUBS pseudo opcodes after adding tablegen
3238 // support for an optional CPSR definition that corresponds to the DAG
3239 // node's second value. We can then eliminate the implicit def of CPSR.
3240 defm ADDS : AsI1_bin_s_irs<IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3241 BinOpFrag<(ARMaddc node:$LHS, node:$RHS)>, 1>;
3242 defm SUBS : AsI1_bin_s_irs<IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3243 BinOpFrag<(ARMsubc node:$LHS, node:$RHS)>>;
3245 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
3246 BinOpWithFlagFrag<(ARMadde node:$LHS, node:$RHS, node:$FLAG)>, 1>;
3247 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
3248 BinOpWithFlagFrag<(ARMsube node:$LHS, node:$RHS, node:$FLAG)>>;
3250 defm RSB : AsI1_rbin_irs<0b0011, "rsb",
3251 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3252 BinOpFrag<(sub node:$LHS, node:$RHS)>>;
3254 // FIXME: Eliminate them if we can write def : Pat patterns which defines
3255 // CPSR and the implicit def of CPSR is not needed.
3256 defm RSBS : AsI1_rbin_s_is<IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3257 BinOpFrag<(ARMsubc node:$LHS, node:$RHS)>>;
3259 defm RSC : AI1_rsc_irs<0b0111, "rsc",
3260 BinOpWithFlagFrag<(ARMsube node:$LHS, node:$RHS, node:$FLAG)>>;
3262 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
3263 // The assume-no-carry-in form uses the negation of the input since add/sub
3264 // assume opposite meanings of the carry flag (i.e., carry == !borrow).
3265 // See the definition of AddWithCarry() in the ARM ARM A2.2.1 for the gory
3267 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
3268 (SUBri GPR:$src, so_imm_neg:$imm)>;
3269 def : ARMPat<(ARMaddc GPR:$src, so_imm_neg:$imm),
3270 (SUBSri GPR:$src, so_imm_neg:$imm)>;
3272 def : ARMPat<(add GPR:$src, imm0_65535_neg:$imm),
3273 (SUBrr GPR:$src, (MOVi16 (imm_neg_XFORM imm:$imm)))>,
3274 Requires<[IsARM, HasV6T2]>;
3275 def : ARMPat<(ARMaddc GPR:$src, imm0_65535_neg:$imm),
3276 (SUBSrr GPR:$src, (MOVi16 (imm_neg_XFORM imm:$imm)))>,
3277 Requires<[IsARM, HasV6T2]>;
3279 // The with-carry-in form matches bitwise not instead of the negation.
3280 // Effectively, the inverse interpretation of the carry flag already accounts
3281 // for part of the negation.
3282 def : ARMPat<(ARMadde GPR:$src, so_imm_not:$imm, CPSR),
3283 (SBCri GPR:$src, so_imm_not:$imm)>;
3284 def : ARMPat<(ARMadde GPR:$src, imm0_65535_neg:$imm, CPSR),
3285 (SBCrr GPR:$src, (MOVi16 (imm_not_XFORM imm:$imm)))>;
3287 // Note: These are implemented in C++ code, because they have to generate
3288 // ADD/SUBrs instructions, which use a complex pattern that a xform function
3290 // (mul X, 2^n+1) -> (add (X << n), X)
3291 // (mul X, 2^n-1) -> (rsb X, (X << n))
3293 // ARM Arithmetic Instruction
3294 // GPR:$dst = GPR:$a op GPR:$b
3295 class AAI<bits<8> op27_20, bits<8> op11_4, string opc,
3296 list<dag> pattern = [],
3297 dag iops = (ins GPRnopc:$Rn, GPRnopc:$Rm),
3298 string asm = "\t$Rd, $Rn, $Rm">
3299 : AI<(outs GPRnopc:$Rd), iops, DPFrm, IIC_iALUr, opc, asm, pattern>,
3300 Sched<[WriteALU, ReadALU, ReadALU]> {
3304 let Inst{27-20} = op27_20;
3305 let Inst{11-4} = op11_4;
3306 let Inst{19-16} = Rn;
3307 let Inst{15-12} = Rd;
3310 let Unpredictable{11-8} = 0b1111;
3313 // Saturating add/subtract
3315 let DecoderMethod = "DecodeQADDInstruction" in
3316 def QADD : AAI<0b00010000, 0b00000101, "qadd",
3317 [(set GPRnopc:$Rd, (int_arm_qadd GPRnopc:$Rm, GPRnopc:$Rn))],
3318 (ins GPRnopc:$Rm, GPRnopc:$Rn), "\t$Rd, $Rm, $Rn">;
3320 def QSUB : AAI<0b00010010, 0b00000101, "qsub",
3321 [(set GPRnopc:$Rd, (int_arm_qsub GPRnopc:$Rm, GPRnopc:$Rn))],
3322 (ins GPRnopc:$Rm, GPRnopc:$Rn), "\t$Rd, $Rm, $Rn">;
3323 def QDADD : AAI<0b00010100, 0b00000101, "qdadd", [],
3324 (ins GPRnopc:$Rm, GPRnopc:$Rn),
3326 def QDSUB : AAI<0b00010110, 0b00000101, "qdsub", [],
3327 (ins GPRnopc:$Rm, GPRnopc:$Rn),
3330 def QADD16 : AAI<0b01100010, 0b11110001, "qadd16">;
3331 def QADD8 : AAI<0b01100010, 0b11111001, "qadd8">;
3332 def QASX : AAI<0b01100010, 0b11110011, "qasx">;
3333 def QSAX : AAI<0b01100010, 0b11110101, "qsax">;
3334 def QSUB16 : AAI<0b01100010, 0b11110111, "qsub16">;
3335 def QSUB8 : AAI<0b01100010, 0b11111111, "qsub8">;
3336 def UQADD16 : AAI<0b01100110, 0b11110001, "uqadd16">;
3337 def UQADD8 : AAI<0b01100110, 0b11111001, "uqadd8">;
3338 def UQASX : AAI<0b01100110, 0b11110011, "uqasx">;
3339 def UQSAX : AAI<0b01100110, 0b11110101, "uqsax">;
3340 def UQSUB16 : AAI<0b01100110, 0b11110111, "uqsub16">;
3341 def UQSUB8 : AAI<0b01100110, 0b11111111, "uqsub8">;
3343 // Signed/Unsigned add/subtract
3345 def SASX : AAI<0b01100001, 0b11110011, "sasx">;
3346 def SADD16 : AAI<0b01100001, 0b11110001, "sadd16">;
3347 def SADD8 : AAI<0b01100001, 0b11111001, "sadd8">;
3348 def SSAX : AAI<0b01100001, 0b11110101, "ssax">;
3349 def SSUB16 : AAI<0b01100001, 0b11110111, "ssub16">;
3350 def SSUB8 : AAI<0b01100001, 0b11111111, "ssub8">;
3351 def UASX : AAI<0b01100101, 0b11110011, "uasx">;
3352 def UADD16 : AAI<0b01100101, 0b11110001, "uadd16">;
3353 def UADD8 : AAI<0b01100101, 0b11111001, "uadd8">;
3354 def USAX : AAI<0b01100101, 0b11110101, "usax">;
3355 def USUB16 : AAI<0b01100101, 0b11110111, "usub16">;
3356 def USUB8 : AAI<0b01100101, 0b11111111, "usub8">;
3358 // Signed/Unsigned halving add/subtract
3360 def SHASX : AAI<0b01100011, 0b11110011, "shasx">;
3361 def SHADD16 : AAI<0b01100011, 0b11110001, "shadd16">;
3362 def SHADD8 : AAI<0b01100011, 0b11111001, "shadd8">;
3363 def SHSAX : AAI<0b01100011, 0b11110101, "shsax">;
3364 def SHSUB16 : AAI<0b01100011, 0b11110111, "shsub16">;
3365 def SHSUB8 : AAI<0b01100011, 0b11111111, "shsub8">;
3366 def UHASX : AAI<0b01100111, 0b11110011, "uhasx">;
3367 def UHADD16 : AAI<0b01100111, 0b11110001, "uhadd16">;
3368 def UHADD8 : AAI<0b01100111, 0b11111001, "uhadd8">;
3369 def UHSAX : AAI<0b01100111, 0b11110101, "uhsax">;
3370 def UHSUB16 : AAI<0b01100111, 0b11110111, "uhsub16">;
3371 def UHSUB8 : AAI<0b01100111, 0b11111111, "uhsub8">;
3373 // Unsigned Sum of Absolute Differences [and Accumulate].
3375 def USAD8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3376 MulFrm /* for convenience */, NoItinerary, "usad8",
3377 "\t$Rd, $Rn, $Rm", []>,
3378 Requires<[IsARM, HasV6]>, Sched<[WriteALU, ReadALU, ReadALU]> {
3382 let Inst{27-20} = 0b01111000;
3383 let Inst{15-12} = 0b1111;
3384 let Inst{7-4} = 0b0001;
3385 let Inst{19-16} = Rd;
3386 let Inst{11-8} = Rm;
3389 def USADA8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3390 MulFrm /* for convenience */, NoItinerary, "usada8",
3391 "\t$Rd, $Rn, $Rm, $Ra", []>,
3392 Requires<[IsARM, HasV6]>, Sched<[WriteALU, ReadALU, ReadALU]>{
3397 let Inst{27-20} = 0b01111000;
3398 let Inst{7-4} = 0b0001;
3399 let Inst{19-16} = Rd;
3400 let Inst{15-12} = Ra;
3401 let Inst{11-8} = Rm;
3405 // Signed/Unsigned saturate
3407 def SSAT : AI<(outs GPRnopc:$Rd),
3408 (ins imm1_32:$sat_imm, GPRnopc:$Rn, shift_imm:$sh),
3409 SatFrm, NoItinerary, "ssat", "\t$Rd, $sat_imm, $Rn$sh", []> {
3414 let Inst{27-21} = 0b0110101;
3415 let Inst{5-4} = 0b01;
3416 let Inst{20-16} = sat_imm;
3417 let Inst{15-12} = Rd;
3418 let Inst{11-7} = sh{4-0};
3419 let Inst{6} = sh{5};
3423 def SSAT16 : AI<(outs GPRnopc:$Rd),
3424 (ins imm1_16:$sat_imm, GPRnopc:$Rn), SatFrm,
3425 NoItinerary, "ssat16", "\t$Rd, $sat_imm, $Rn", []> {
3429 let Inst{27-20} = 0b01101010;
3430 let Inst{11-4} = 0b11110011;
3431 let Inst{15-12} = Rd;
3432 let Inst{19-16} = sat_imm;
3436 def USAT : AI<(outs GPRnopc:$Rd),
3437 (ins imm0_31:$sat_imm, GPRnopc:$Rn, shift_imm:$sh),
3438 SatFrm, NoItinerary, "usat", "\t$Rd, $sat_imm, $Rn$sh", []> {
3443 let Inst{27-21} = 0b0110111;
3444 let Inst{5-4} = 0b01;
3445 let Inst{15-12} = Rd;
3446 let Inst{11-7} = sh{4-0};
3447 let Inst{6} = sh{5};
3448 let Inst{20-16} = sat_imm;
3452 def USAT16 : AI<(outs GPRnopc:$Rd),
3453 (ins imm0_15:$sat_imm, GPRnopc:$Rn), SatFrm,
3454 NoItinerary, "usat16", "\t$Rd, $sat_imm, $Rn", []> {
3458 let Inst{27-20} = 0b01101110;
3459 let Inst{11-4} = 0b11110011;
3460 let Inst{15-12} = Rd;
3461 let Inst{19-16} = sat_imm;
3465 def : ARMV6Pat<(int_arm_ssat GPRnopc:$a, imm:$pos),
3466 (SSAT imm:$pos, GPRnopc:$a, 0)>;
3467 def : ARMV6Pat<(int_arm_usat GPRnopc:$a, imm:$pos),
3468 (USAT imm:$pos, GPRnopc:$a, 0)>;
3470 //===----------------------------------------------------------------------===//
3471 // Bitwise Instructions.
3474 defm AND : AsI1_bin_irs<0b0000, "and",
3475 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3476 BinOpFrag<(and node:$LHS, node:$RHS)>, 1>;
3477 defm ORR : AsI1_bin_irs<0b1100, "orr",
3478 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3479 BinOpFrag<(or node:$LHS, node:$RHS)>, 1>;
3480 defm EOR : AsI1_bin_irs<0b0001, "eor",
3481 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3482 BinOpFrag<(xor node:$LHS, node:$RHS)>, 1>;
3483 defm BIC : AsI1_bin_irs<0b1110, "bic",
3484 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3485 BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
3487 // FIXME: bf_inv_mask_imm should be two operands, the lsb and the msb, just
3488 // like in the actual instruction encoding. The complexity of mapping the mask
3489 // to the lsb/msb pair should be handled by ISel, not encapsulated in the
3490 // instruction description.
3491 def BFC : I<(outs GPR:$Rd), (ins GPR:$src, bf_inv_mask_imm:$imm),
3492 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3493 "bfc", "\t$Rd, $imm", "$src = $Rd",
3494 [(set GPR:$Rd, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
3495 Requires<[IsARM, HasV6T2]> {
3498 let Inst{27-21} = 0b0111110;
3499 let Inst{6-0} = 0b0011111;
3500 let Inst{15-12} = Rd;
3501 let Inst{11-7} = imm{4-0}; // lsb
3502 let Inst{20-16} = imm{9-5}; // msb
3505 // A8.6.18 BFI - Bitfield insert (Encoding A1)
3506 def BFI:I<(outs GPRnopc:$Rd), (ins GPRnopc:$src, GPR:$Rn, bf_inv_mask_imm:$imm),
3507 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3508 "bfi", "\t$Rd, $Rn, $imm", "$src = $Rd",
3509 [(set GPRnopc:$Rd, (ARMbfi GPRnopc:$src, GPR:$Rn,
3510 bf_inv_mask_imm:$imm))]>,
3511 Requires<[IsARM, HasV6T2]> {
3515 let Inst{27-21} = 0b0111110;
3516 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
3517 let Inst{15-12} = Rd;
3518 let Inst{11-7} = imm{4-0}; // lsb
3519 let Inst{20-16} = imm{9-5}; // width
3523 def MVNr : AsI1<0b1111, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMVNr,
3524 "mvn", "\t$Rd, $Rm",
3525 [(set GPR:$Rd, (not GPR:$Rm))]>, UnaryDP, Sched<[WriteALU]> {
3529 let Inst{19-16} = 0b0000;
3530 let Inst{11-4} = 0b00000000;
3531 let Inst{15-12} = Rd;
3534 def MVNsi : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg_imm:$shift),
3535 DPSoRegImmFrm, IIC_iMVNsr, "mvn", "\t$Rd, $shift",
3536 [(set GPR:$Rd, (not so_reg_imm:$shift))]>, UnaryDP,
3541 let Inst{19-16} = 0b0000;
3542 let Inst{15-12} = Rd;
3543 let Inst{11-5} = shift{11-5};
3545 let Inst{3-0} = shift{3-0};
3547 def MVNsr : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg_reg:$shift),
3548 DPSoRegRegFrm, IIC_iMVNsr, "mvn", "\t$Rd, $shift",
3549 [(set GPR:$Rd, (not so_reg_reg:$shift))]>, UnaryDP,
3554 let Inst{19-16} = 0b0000;
3555 let Inst{15-12} = Rd;
3556 let Inst{11-8} = shift{11-8};
3558 let Inst{6-5} = shift{6-5};
3560 let Inst{3-0} = shift{3-0};
3562 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
3563 def MVNi : AsI1<0b1111, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm,
3564 IIC_iMVNi, "mvn", "\t$Rd, $imm",
3565 [(set GPR:$Rd, so_imm_not:$imm)]>,UnaryDP, Sched<[WriteALU]> {
3569 let Inst{19-16} = 0b0000;
3570 let Inst{15-12} = Rd;
3571 let Inst{11-0} = imm;
3574 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
3575 (BICri GPR:$src, so_imm_not:$imm)>;
3577 //===----------------------------------------------------------------------===//
3578 // Multiply Instructions.
3580 class AsMul1I32<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
3581 string opc, string asm, list<dag> pattern>
3582 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
3586 let Inst{19-16} = Rd;
3587 let Inst{11-8} = Rm;
3590 class AsMul1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
3591 string opc, string asm, list<dag> pattern>
3592 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
3597 let Inst{19-16} = RdHi;
3598 let Inst{15-12} = RdLo;
3599 let Inst{11-8} = Rm;
3602 class AsMla1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
3603 string opc, string asm, list<dag> pattern>
3604 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
3609 let Inst{19-16} = RdHi;
3610 let Inst{15-12} = RdLo;
3611 let Inst{11-8} = Rm;
3615 // FIXME: The v5 pseudos are only necessary for the additional Constraint
3616 // property. Remove them when it's possible to add those properties
3617 // on an individual MachineInstr, not just an instruction description.
3618 let isCommutable = 1, TwoOperandAliasConstraint = "$Rn = $Rd" in {
3619 def MUL : AsMul1I32<0b0000000, (outs GPRnopc:$Rd),
3620 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3621 IIC_iMUL32, "mul", "\t$Rd, $Rn, $Rm",
3622 [(set GPRnopc:$Rd, (mul GPRnopc:$Rn, GPRnopc:$Rm))]>,
3623 Requires<[IsARM, HasV6]> {
3624 let Inst{15-12} = 0b0000;
3625 let Unpredictable{15-12} = 0b1111;
3628 let Constraints = "@earlyclobber $Rd" in
3629 def MULv5: ARMPseudoExpand<(outs GPRnopc:$Rd), (ins GPRnopc:$Rn, GPRnopc:$Rm,
3630 pred:$p, cc_out:$s),
3632 [(set GPRnopc:$Rd, (mul GPRnopc:$Rn, GPRnopc:$Rm))],
3633 (MUL GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p, cc_out:$s)>,
3634 Requires<[IsARM, NoV6, UseMulOps]>;
3637 def MLA : AsMul1I32<0b0000001, (outs GPRnopc:$Rd),
3638 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$Ra),
3639 IIC_iMAC32, "mla", "\t$Rd, $Rn, $Rm, $Ra",
3640 [(set GPRnopc:$Rd, (add (mul GPRnopc:$Rn, GPRnopc:$Rm), GPRnopc:$Ra))]>,
3641 Requires<[IsARM, HasV6, UseMulOps]> {
3643 let Inst{15-12} = Ra;
3646 let Constraints = "@earlyclobber $Rd" in
3647 def MLAv5: ARMPseudoExpand<(outs GPRnopc:$Rd),
3648 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$Ra,
3649 pred:$p, cc_out:$s), 4, IIC_iMAC32,
3650 [(set GPRnopc:$Rd, (add (mul GPRnopc:$Rn, GPRnopc:$Rm), GPRnopc:$Ra))],
3651 (MLA GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$Ra, pred:$p, cc_out:$s)>,
3652 Requires<[IsARM, NoV6]>;
3654 def MLS : AMul1I<0b0000011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3655 IIC_iMAC32, "mls", "\t$Rd, $Rn, $Rm, $Ra",
3656 [(set GPR:$Rd, (sub GPR:$Ra, (mul GPR:$Rn, GPR:$Rm)))]>,
3657 Requires<[IsARM, HasV6T2, UseMulOps]> {
3662 let Inst{19-16} = Rd;
3663 let Inst{15-12} = Ra;
3664 let Inst{11-8} = Rm;
3668 // Extra precision multiplies with low / high results
3669 let neverHasSideEffects = 1 in {
3670 let isCommutable = 1 in {
3671 def SMULL : AsMul1I64<0b0000110, (outs GPR:$RdLo, GPR:$RdHi),
3672 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
3673 "smull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3674 Requires<[IsARM, HasV6]>;
3676 def UMULL : AsMul1I64<0b0000100, (outs GPR:$RdLo, GPR:$RdHi),
3677 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
3678 "umull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3679 Requires<[IsARM, HasV6]>;
3681 let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
3682 def SMULLv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3683 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
3685 (SMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3686 Requires<[IsARM, NoV6]>;
3688 def UMULLv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3689 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
3691 (UMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3692 Requires<[IsARM, NoV6]>;
3696 // Multiply + accumulate
3697 def SMLAL : AsMla1I64<0b0000111, (outs GPR:$RdLo, GPR:$RdHi),
3698 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi), IIC_iMAC64,
3699 "smlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3700 RegConstraint<"$RLo = $RdLo, $RHi = $RdHi">, Requires<[IsARM, HasV6]>;
3701 def UMLAL : AsMla1I64<0b0000101, (outs GPR:$RdLo, GPR:$RdHi),
3702 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi), IIC_iMAC64,
3703 "umlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3704 RegConstraint<"$RLo = $RdLo, $RHi = $RdHi">, Requires<[IsARM, HasV6]>;
3706 def UMAAL : AMul1I <0b0000010, (outs GPR:$RdLo, GPR:$RdHi),
3707 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
3708 "umaal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3709 Requires<[IsARM, HasV6]> {
3714 let Inst{19-16} = RdHi;
3715 let Inst{15-12} = RdLo;
3716 let Inst{11-8} = Rm;
3721 "@earlyclobber $RdLo,@earlyclobber $RdHi,$RLo = $RdLo,$RHi = $RdHi" in {
3722 def SMLALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3723 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi, pred:$p, cc_out:$s),
3725 (SMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi,
3726 pred:$p, cc_out:$s)>,
3727 Requires<[IsARM, NoV6]>;
3728 def UMLALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3729 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi, pred:$p, cc_out:$s),
3731 (UMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi,
3732 pred:$p, cc_out:$s)>,
3733 Requires<[IsARM, NoV6]>;
3736 } // neverHasSideEffects
3738 // Most significant word multiply
3739 def SMMUL : AMul2I <0b0111010, 0b0001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3740 IIC_iMUL32, "smmul", "\t$Rd, $Rn, $Rm",
3741 [(set GPR:$Rd, (mulhs GPR:$Rn, GPR:$Rm))]>,
3742 Requires<[IsARM, HasV6]> {
3743 let Inst{15-12} = 0b1111;
3746 def SMMULR : AMul2I <0b0111010, 0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3747 IIC_iMUL32, "smmulr", "\t$Rd, $Rn, $Rm", []>,
3748 Requires<[IsARM, HasV6]> {
3749 let Inst{15-12} = 0b1111;
3752 def SMMLA : AMul2Ia <0b0111010, 0b0001, (outs GPR:$Rd),
3753 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3754 IIC_iMAC32, "smmla", "\t$Rd, $Rn, $Rm, $Ra",
3755 [(set GPR:$Rd, (add (mulhs GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
3756 Requires<[IsARM, HasV6, UseMulOps]>;
3758 def SMMLAR : AMul2Ia <0b0111010, 0b0011, (outs GPR:$Rd),
3759 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3760 IIC_iMAC32, "smmlar", "\t$Rd, $Rn, $Rm, $Ra", []>,
3761 Requires<[IsARM, HasV6]>;
3763 def SMMLS : AMul2Ia <0b0111010, 0b1101, (outs GPR:$Rd),
3764 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3765 IIC_iMAC32, "smmls", "\t$Rd, $Rn, $Rm, $Ra", []>,
3766 Requires<[IsARM, HasV6, UseMulOps]>;
3768 def SMMLSR : AMul2Ia <0b0111010, 0b1111, (outs GPR:$Rd),
3769 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3770 IIC_iMAC32, "smmlsr", "\t$Rd, $Rn, $Rm, $Ra", []>,
3771 Requires<[IsARM, HasV6]>;
3773 multiclass AI_smul<string opc, PatFrag opnode> {
3774 def BB : AMulxyI<0b0001011, 0b00, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3775 IIC_iMUL16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm",
3776 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
3777 (sext_inreg GPR:$Rm, i16)))]>,
3778 Requires<[IsARM, HasV5TE]>;
3780 def BT : AMulxyI<0b0001011, 0b10, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3781 IIC_iMUL16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm",
3782 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
3783 (sra GPR:$Rm, (i32 16))))]>,
3784 Requires<[IsARM, HasV5TE]>;
3786 def TB : AMulxyI<0b0001011, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3787 IIC_iMUL16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm",
3788 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
3789 (sext_inreg GPR:$Rm, i16)))]>,
3790 Requires<[IsARM, HasV5TE]>;
3792 def TT : AMulxyI<0b0001011, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3793 IIC_iMUL16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm",
3794 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
3795 (sra GPR:$Rm, (i32 16))))]>,
3796 Requires<[IsARM, HasV5TE]>;
3798 def WB : AMulxyI<0b0001001, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3799 IIC_iMUL16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm",
3800 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
3801 (sext_inreg GPR:$Rm, i16)), (i32 16)))]>,
3802 Requires<[IsARM, HasV5TE]>;
3804 def WT : AMulxyI<0b0001001, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3805 IIC_iMUL16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm",
3806 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
3807 (sra GPR:$Rm, (i32 16))), (i32 16)))]>,
3808 Requires<[IsARM, HasV5TE]>;
3812 multiclass AI_smla<string opc, PatFrag opnode> {
3813 let DecoderMethod = "DecodeSMLAInstruction" in {
3814 def BB : AMulxyIa<0b0001000, 0b00, (outs GPRnopc:$Rd),
3815 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3816 IIC_iMAC16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm, $Ra",
3817 [(set GPRnopc:$Rd, (add GPR:$Ra,
3818 (opnode (sext_inreg GPRnopc:$Rn, i16),
3819 (sext_inreg GPRnopc:$Rm, i16))))]>,
3820 Requires<[IsARM, HasV5TE, UseMulOps]>;
3822 def BT : AMulxyIa<0b0001000, 0b10, (outs GPRnopc:$Rd),
3823 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3824 IIC_iMAC16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm, $Ra",
3826 (add GPR:$Ra, (opnode (sext_inreg GPRnopc:$Rn, i16),
3827 (sra GPRnopc:$Rm, (i32 16)))))]>,
3828 Requires<[IsARM, HasV5TE, UseMulOps]>;
3830 def TB : AMulxyIa<0b0001000, 0b01, (outs GPRnopc:$Rd),
3831 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3832 IIC_iMAC16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm, $Ra",
3834 (add GPR:$Ra, (opnode (sra GPRnopc:$Rn, (i32 16)),
3835 (sext_inreg GPRnopc:$Rm, i16))))]>,
3836 Requires<[IsARM, HasV5TE, UseMulOps]>;
3838 def TT : AMulxyIa<0b0001000, 0b11, (outs GPRnopc:$Rd),
3839 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3840 IIC_iMAC16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm, $Ra",
3842 (add GPR:$Ra, (opnode (sra GPRnopc:$Rn, (i32 16)),
3843 (sra GPRnopc:$Rm, (i32 16)))))]>,
3844 Requires<[IsARM, HasV5TE, UseMulOps]>;
3846 def WB : AMulxyIa<0b0001001, 0b00, (outs GPRnopc:$Rd),
3847 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3848 IIC_iMAC16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm, $Ra",
3850 (add GPR:$Ra, (sra (opnode GPRnopc:$Rn,
3851 (sext_inreg GPRnopc:$Rm, i16)), (i32 16))))]>,
3852 Requires<[IsARM, HasV5TE, UseMulOps]>;
3854 def WT : AMulxyIa<0b0001001, 0b10, (outs GPRnopc:$Rd),
3855 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3856 IIC_iMAC16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm, $Ra",
3858 (add GPR:$Ra, (sra (opnode GPRnopc:$Rn,
3859 (sra GPRnopc:$Rm, (i32 16))), (i32 16))))]>,
3860 Requires<[IsARM, HasV5TE, UseMulOps]>;
3864 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
3865 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
3867 // Halfword multiply accumulate long: SMLAL<x><y>.
3868 def SMLALBB : AMulxyI64<0b0001010, 0b00, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3869 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3870 IIC_iMAC64, "smlalbb", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3871 Requires<[IsARM, HasV5TE]>;
3873 def SMLALBT : AMulxyI64<0b0001010, 0b10, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3874 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3875 IIC_iMAC64, "smlalbt", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3876 Requires<[IsARM, HasV5TE]>;
3878 def SMLALTB : AMulxyI64<0b0001010, 0b01, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3879 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3880 IIC_iMAC64, "smlaltb", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3881 Requires<[IsARM, HasV5TE]>;
3883 def SMLALTT : AMulxyI64<0b0001010, 0b11, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3884 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3885 IIC_iMAC64, "smlaltt", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3886 Requires<[IsARM, HasV5TE]>;
3888 // Helper class for AI_smld.
3889 class AMulDualIbase<bit long, bit sub, bit swap, dag oops, dag iops,
3890 InstrItinClass itin, string opc, string asm>
3891 : AI<oops, iops, MulFrm, itin, opc, asm, []>, Requires<[IsARM, HasV6]> {
3894 let Inst{27-23} = 0b01110;
3895 let Inst{22} = long;
3896 let Inst{21-20} = 0b00;
3897 let Inst{11-8} = Rm;
3904 class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
3905 InstrItinClass itin, string opc, string asm>
3906 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
3908 let Inst{15-12} = 0b1111;
3909 let Inst{19-16} = Rd;
3911 class AMulDualIa<bit long, bit sub, bit swap, dag oops, dag iops,
3912 InstrItinClass itin, string opc, string asm>
3913 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
3916 let Inst{19-16} = Rd;
3917 let Inst{15-12} = Ra;
3919 class AMulDualI64<bit long, bit sub, bit swap, dag oops, dag iops,
3920 InstrItinClass itin, string opc, string asm>
3921 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
3924 let Inst{19-16} = RdHi;
3925 let Inst{15-12} = RdLo;
3928 multiclass AI_smld<bit sub, string opc> {
3930 def D : AMulDualIa<0, sub, 0, (outs GPRnopc:$Rd),
3931 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3932 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm, $Ra">;
3934 def DX: AMulDualIa<0, sub, 1, (outs GPRnopc:$Rd),
3935 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3936 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm, $Ra">;
3938 def LD: AMulDualI64<1, sub, 0, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3939 (ins GPRnopc:$Rn, GPRnopc:$Rm), NoItinerary,
3940 !strconcat(opc, "ld"), "\t$RdLo, $RdHi, $Rn, $Rm">;
3942 def LDX : AMulDualI64<1, sub, 1, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3943 (ins GPRnopc:$Rn, GPRnopc:$Rm), NoItinerary,
3944 !strconcat(opc, "ldx"),"\t$RdLo, $RdHi, $Rn, $Rm">;
3948 defm SMLA : AI_smld<0, "smla">;
3949 defm SMLS : AI_smld<1, "smls">;
3951 multiclass AI_sdml<bit sub, string opc> {
3953 def D:AMulDualI<0, sub, 0, (outs GPRnopc:$Rd), (ins GPRnopc:$Rn, GPRnopc:$Rm),
3954 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm">;
3955 def DX:AMulDualI<0, sub, 1, (outs GPRnopc:$Rd),(ins GPRnopc:$Rn, GPRnopc:$Rm),
3956 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm">;
3959 defm SMUA : AI_sdml<0, "smua">;
3960 defm SMUS : AI_sdml<1, "smus">;
3962 //===----------------------------------------------------------------------===//
3963 // Division Instructions (ARMv7-A with virtualization extension)
3965 def SDIV : ADivA1I<0b001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), IIC_iDIV,
3966 "sdiv", "\t$Rd, $Rn, $Rm",
3967 [(set GPR:$Rd, (sdiv GPR:$Rn, GPR:$Rm))]>,
3968 Requires<[IsARM, HasDivideInARM]>;
3970 def UDIV : ADivA1I<0b011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), IIC_iDIV,
3971 "udiv", "\t$Rd, $Rn, $Rm",
3972 [(set GPR:$Rd, (udiv GPR:$Rn, GPR:$Rm))]>,
3973 Requires<[IsARM, HasDivideInARM]>;
3975 //===----------------------------------------------------------------------===//
3976 // Misc. Arithmetic Instructions.
3979 def CLZ : AMiscA1I<0b000010110, 0b0001, (outs GPR:$Rd), (ins GPR:$Rm),
3980 IIC_iUNAr, "clz", "\t$Rd, $Rm",
3981 [(set GPR:$Rd, (ctlz GPR:$Rm))]>, Requires<[IsARM, HasV5T]>,
3984 def RBIT : AMiscA1I<0b01101111, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
3985 IIC_iUNAr, "rbit", "\t$Rd, $Rm",
3986 [(set GPR:$Rd, (ARMrbit GPR:$Rm))]>,
3987 Requires<[IsARM, HasV6T2]>,
3990 def REV : AMiscA1I<0b01101011, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
3991 IIC_iUNAr, "rev", "\t$Rd, $Rm",
3992 [(set GPR:$Rd, (bswap GPR:$Rm))]>, Requires<[IsARM, HasV6]>,
3995 let AddedComplexity = 5 in
3996 def REV16 : AMiscA1I<0b01101011, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
3997 IIC_iUNAr, "rev16", "\t$Rd, $Rm",
3998 [(set GPR:$Rd, (rotr (bswap GPR:$Rm), (i32 16)))]>,
3999 Requires<[IsARM, HasV6]>,
4002 let AddedComplexity = 5 in
4003 def REVSH : AMiscA1I<0b01101111, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
4004 IIC_iUNAr, "revsh", "\t$Rd, $Rm",
4005 [(set GPR:$Rd, (sra (bswap GPR:$Rm), (i32 16)))]>,
4006 Requires<[IsARM, HasV6]>,
4009 def : ARMV6Pat<(or (sra (shl GPR:$Rm, (i32 24)), (i32 16)),
4010 (and (srl GPR:$Rm, (i32 8)), 0xFF)),
4013 def PKHBT : APKHI<0b01101000, 0, (outs GPRnopc:$Rd),
4014 (ins GPRnopc:$Rn, GPRnopc:$Rm, pkh_lsl_amt:$sh),
4015 IIC_iALUsi, "pkhbt", "\t$Rd, $Rn, $Rm$sh",
4016 [(set GPRnopc:$Rd, (or (and GPRnopc:$Rn, 0xFFFF),
4017 (and (shl GPRnopc:$Rm, pkh_lsl_amt:$sh),
4019 Requires<[IsARM, HasV6]>,
4020 Sched<[WriteALUsi, ReadALU]>;
4022 // Alternate cases for PKHBT where identities eliminate some nodes.
4023 def : ARMV6Pat<(or (and GPRnopc:$Rn, 0xFFFF), (and GPRnopc:$Rm, 0xFFFF0000)),
4024 (PKHBT GPRnopc:$Rn, GPRnopc:$Rm, 0)>;
4025 def : ARMV6Pat<(or (and GPRnopc:$Rn, 0xFFFF), (shl GPRnopc:$Rm, imm16_31:$sh)),
4026 (PKHBT GPRnopc:$Rn, GPRnopc:$Rm, imm16_31:$sh)>;
4028 // Note: Shifts of 1-15 bits will be transformed to srl instead of sra and
4029 // will match the pattern below.
4030 def PKHTB : APKHI<0b01101000, 1, (outs GPRnopc:$Rd),
4031 (ins GPRnopc:$Rn, GPRnopc:$Rm, pkh_asr_amt:$sh),
4032 IIC_iBITsi, "pkhtb", "\t$Rd, $Rn, $Rm$sh",
4033 [(set GPRnopc:$Rd, (or (and GPRnopc:$Rn, 0xFFFF0000),
4034 (and (sra GPRnopc:$Rm, pkh_asr_amt:$sh),
4036 Requires<[IsARM, HasV6]>,
4037 Sched<[WriteALUsi, ReadALU]>;
4039 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
4040 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
4041 // We also can not replace a srl (17..31) by an arithmetic shift we would use in
4042 // pkhtb src1, src2, asr (17..31).
4043 def : ARMV6Pat<(or (and GPRnopc:$src1, 0xFFFF0000),
4044 (srl GPRnopc:$src2, imm16:$sh)),
4045 (PKHTB GPRnopc:$src1, GPRnopc:$src2, imm16:$sh)>;
4046 def : ARMV6Pat<(or (and GPRnopc:$src1, 0xFFFF0000),
4047 (sra GPRnopc:$src2, imm16_31:$sh)),
4048 (PKHTB GPRnopc:$src1, GPRnopc:$src2, imm16_31:$sh)>;
4049 def : ARMV6Pat<(or (and GPRnopc:$src1, 0xFFFF0000),
4050 (and (srl GPRnopc:$src2, imm1_15:$sh), 0xFFFF)),
4051 (PKHTB GPRnopc:$src1, GPRnopc:$src2, imm1_15:$sh)>;
4053 //===----------------------------------------------------------------------===//
4057 // + CRC32{B,H,W} 0x04C11DB7
4058 // + CRC32C{B,H,W} 0x1EDC6F41
4061 class AI_crc32<bit C, bits<2> sz, string suffix, SDPatternOperator builtin>
4062 : AInoP<(outs GPRnopc:$Rd), (ins GPRnopc:$Rn, GPRnopc:$Rm), MiscFrm, NoItinerary,
4063 !strconcat("crc32", suffix), "\t$Rd, $Rn, $Rm",
4064 [(set GPRnopc:$Rd, (builtin GPRnopc:$Rn, GPRnopc:$Rm))]>,
4065 Requires<[IsARM, HasV8, HasCRC]> {
4070 let Inst{31-28} = 0b1110;
4071 let Inst{27-23} = 0b00010;
4072 let Inst{22-21} = sz;
4074 let Inst{19-16} = Rn;
4075 let Inst{15-12} = Rd;
4076 let Inst{11-10} = 0b00;
4079 let Inst{7-4} = 0b0100;
4082 let Unpredictable{11-8} = 0b1101;
4085 def CRC32B : AI_crc32<0, 0b00, "b", int_arm_crc32b>;
4086 def CRC32CB : AI_crc32<1, 0b00, "cb", int_arm_crc32cb>;
4087 def CRC32H : AI_crc32<0, 0b01, "h", int_arm_crc32h>;
4088 def CRC32CH : AI_crc32<1, 0b01, "ch", int_arm_crc32ch>;
4089 def CRC32W : AI_crc32<0, 0b10, "w", int_arm_crc32w>;
4090 def CRC32CW : AI_crc32<1, 0b10, "cw", int_arm_crc32cw>;
4092 //===----------------------------------------------------------------------===//
4093 // Comparison Instructions...
4096 defm CMP : AI1_cmp_irs<0b1010, "cmp",
4097 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
4098 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
4100 // ARMcmpZ can re-use the above instruction definitions.
4101 def : ARMPat<(ARMcmpZ GPR:$src, so_imm:$imm),
4102 (CMPri GPR:$src, so_imm:$imm)>;
4103 def : ARMPat<(ARMcmpZ GPR:$src, GPR:$rhs),
4104 (CMPrr GPR:$src, GPR:$rhs)>;
4105 def : ARMPat<(ARMcmpZ GPR:$src, so_reg_imm:$rhs),
4106 (CMPrsi GPR:$src, so_reg_imm:$rhs)>;
4107 def : ARMPat<(ARMcmpZ GPR:$src, so_reg_reg:$rhs),
4108 (CMPrsr GPR:$src, so_reg_reg:$rhs)>;
4110 // CMN register-integer
4111 let isCompare = 1, Defs = [CPSR] in {
4112 def CMNri : AI1<0b1011, (outs), (ins GPR:$Rn, so_imm:$imm), DPFrm, IIC_iCMPi,
4113 "cmn", "\t$Rn, $imm",
4114 [(ARMcmn GPR:$Rn, so_imm:$imm)]>,
4115 Sched<[WriteCMP, ReadALU]> {
4120 let Inst{19-16} = Rn;
4121 let Inst{15-12} = 0b0000;
4122 let Inst{11-0} = imm;
4124 let Unpredictable{15-12} = 0b1111;
4127 // CMN register-register/shift
4128 def CMNzrr : AI1<0b1011, (outs), (ins GPR:$Rn, GPR:$Rm), DPFrm, IIC_iCMPr,
4129 "cmn", "\t$Rn, $Rm",
4130 [(BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>
4131 GPR:$Rn, GPR:$Rm)]>, Sched<[WriteCMP, ReadALU, ReadALU]> {
4134 let isCommutable = 1;
4137 let Inst{19-16} = Rn;
4138 let Inst{15-12} = 0b0000;
4139 let Inst{11-4} = 0b00000000;
4142 let Unpredictable{15-12} = 0b1111;
4145 def CMNzrsi : AI1<0b1011, (outs),
4146 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm, IIC_iCMPsr,
4147 "cmn", "\t$Rn, $shift",
4148 [(BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>
4149 GPR:$Rn, so_reg_imm:$shift)]>,
4150 Sched<[WriteCMPsi, ReadALU]> {
4155 let Inst{19-16} = Rn;
4156 let Inst{15-12} = 0b0000;
4157 let Inst{11-5} = shift{11-5};
4159 let Inst{3-0} = shift{3-0};
4161 let Unpredictable{15-12} = 0b1111;
4164 def CMNzrsr : AI1<0b1011, (outs),
4165 (ins GPRnopc:$Rn, so_reg_reg:$shift), DPSoRegRegFrm, IIC_iCMPsr,
4166 "cmn", "\t$Rn, $shift",
4167 [(BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>
4168 GPRnopc:$Rn, so_reg_reg:$shift)]>,
4169 Sched<[WriteCMPsr, ReadALU]> {
4174 let Inst{19-16} = Rn;
4175 let Inst{15-12} = 0b0000;
4176 let Inst{11-8} = shift{11-8};
4178 let Inst{6-5} = shift{6-5};
4180 let Inst{3-0} = shift{3-0};
4182 let Unpredictable{15-12} = 0b1111;
4187 def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
4188 (CMNri GPR:$src, so_imm_neg:$imm)>;
4190 def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
4191 (CMNri GPR:$src, so_imm_neg:$imm)>;
4193 // Note that TST/TEQ don't set all the same flags that CMP does!
4194 defm TST : AI1_cmp_irs<0b1000, "tst",
4195 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
4196 BinOpFrag<(ARMcmpZ (and_su node:$LHS, node:$RHS), 0)>, 1>;
4197 defm TEQ : AI1_cmp_irs<0b1001, "teq",
4198 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
4199 BinOpFrag<(ARMcmpZ (xor_su node:$LHS, node:$RHS), 0)>, 1>;
4201 // Pseudo i64 compares for some floating point compares.
4202 let usesCustomInserter = 1, isBranch = 1, isTerminator = 1,
4204 def BCCi64 : PseudoInst<(outs),
4205 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, brtarget:$dst),
4207 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, bb:$dst)]>,
4210 def BCCZi64 : PseudoInst<(outs),
4211 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, brtarget:$dst), IIC_Br,
4212 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, 0, 0, bb:$dst)]>,
4214 } // usesCustomInserter
4217 // Conditional moves
4218 let neverHasSideEffects = 1 in {
4220 let isCommutable = 1, isSelect = 1 in
4221 def MOVCCr : ARMPseudoInst<(outs GPR:$Rd),
4222 (ins GPR:$false, GPR:$Rm, cmovpred:$p),
4224 [(set GPR:$Rd, (ARMcmov GPR:$false, GPR:$Rm,
4226 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4228 def MOVCCsi : ARMPseudoInst<(outs GPR:$Rd),
4229 (ins GPR:$false, so_reg_imm:$shift, cmovpred:$p),
4232 (ARMcmov GPR:$false, so_reg_imm:$shift,
4234 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4235 def MOVCCsr : ARMPseudoInst<(outs GPR:$Rd),
4236 (ins GPR:$false, so_reg_reg:$shift, cmovpred:$p),
4238 [(set GPR:$Rd, (ARMcmov GPR:$false, so_reg_reg:$shift,
4240 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4243 let isMoveImm = 1 in
4245 : ARMPseudoInst<(outs GPR:$Rd),
4246 (ins GPR:$false, imm0_65535_expr:$imm, cmovpred:$p),
4248 [(set GPR:$Rd, (ARMcmov GPR:$false, imm0_65535:$imm,
4250 RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>,
4253 let isMoveImm = 1 in
4254 def MOVCCi : ARMPseudoInst<(outs GPR:$Rd),
4255 (ins GPR:$false, so_imm:$imm, cmovpred:$p),
4257 [(set GPR:$Rd, (ARMcmov GPR:$false, so_imm:$imm,
4259 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4261 // Two instruction predicate mov immediate.
4262 let isMoveImm = 1 in
4264 : ARMPseudoInst<(outs GPR:$Rd),
4265 (ins GPR:$false, i32imm:$src, cmovpred:$p),
4267 [(set GPR:$Rd, (ARMcmov GPR:$false, imm:$src,
4269 RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>;
4271 let isMoveImm = 1 in
4272 def MVNCCi : ARMPseudoInst<(outs GPR:$Rd),
4273 (ins GPR:$false, so_imm:$imm, cmovpred:$p),
4275 [(set GPR:$Rd, (ARMcmov GPR:$false, so_imm_not:$imm,
4277 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4279 } // neverHasSideEffects
4282 //===----------------------------------------------------------------------===//
4283 // Atomic operations intrinsics
4286 def MemBarrierOptOperand : AsmOperandClass {
4287 let Name = "MemBarrierOpt";
4288 let ParserMethod = "parseMemBarrierOptOperand";
4290 def memb_opt : Operand<i32> {
4291 let PrintMethod = "printMemBOption";
4292 let ParserMatchClass = MemBarrierOptOperand;
4293 let DecoderMethod = "DecodeMemBarrierOption";
4296 def InstSyncBarrierOptOperand : AsmOperandClass {
4297 let Name = "InstSyncBarrierOpt";
4298 let ParserMethod = "parseInstSyncBarrierOptOperand";
4300 def instsyncb_opt : Operand<i32> {
4301 let PrintMethod = "printInstSyncBOption";
4302 let ParserMatchClass = InstSyncBarrierOptOperand;
4303 let DecoderMethod = "DecodeInstSyncBarrierOption";
4306 // memory barriers protect the atomic sequences
4307 let hasSideEffects = 1 in {
4308 def DMB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
4309 "dmb", "\t$opt", [(int_arm_dmb (i32 imm0_15:$opt))]>,
4310 Requires<[IsARM, HasDB]> {
4312 let Inst{31-4} = 0xf57ff05;
4313 let Inst{3-0} = opt;
4317 def DSB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
4318 "dsb", "\t$opt", [(int_arm_dsb (i32 imm0_15:$opt))]>,
4319 Requires<[IsARM, HasDB]> {
4321 let Inst{31-4} = 0xf57ff04;
4322 let Inst{3-0} = opt;
4325 // ISB has only full system option
4326 def ISB : AInoP<(outs), (ins instsyncb_opt:$opt), MiscFrm, NoItinerary,
4327 "isb", "\t$opt", []>,
4328 Requires<[IsARM, HasDB]> {
4330 let Inst{31-4} = 0xf57ff06;
4331 let Inst{3-0} = opt;
4334 let usesCustomInserter = 1, Defs = [CPSR] in {
4336 // Pseudo instruction that combines movs + predicated rsbmi
4337 // to implement integer ABS
4338 def ABS : ARMPseudoInst<(outs GPR:$dst), (ins GPR:$src), 8, NoItinerary, []>;
4340 // Atomic pseudo-insts which will be lowered to ldrex/strex loops.
4341 // (64-bit pseudos use a hand-written selection code).
4342 let mayLoad = 1, mayStore = 1 in {
4343 def ATOMIC_LOAD_ADD_I8 : PseudoInst<
4345 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4347 def ATOMIC_LOAD_SUB_I8 : PseudoInst<
4349 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4351 def ATOMIC_LOAD_AND_I8 : PseudoInst<
4353 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4355 def ATOMIC_LOAD_OR_I8 : PseudoInst<
4357 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4359 def ATOMIC_LOAD_XOR_I8 : PseudoInst<
4361 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4363 def ATOMIC_LOAD_NAND_I8 : PseudoInst<
4365 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4367 def ATOMIC_LOAD_MIN_I8 : PseudoInst<
4369 (ins GPR:$ptr, GPR:$val, i32imm:$ordering),
4371 def ATOMIC_LOAD_MAX_I8 : PseudoInst<
4373 (ins GPR:$ptr, GPR:$val, i32imm:$ordering),
4375 def ATOMIC_LOAD_UMIN_I8 : PseudoInst<
4377 (ins GPR:$ptr, GPR:$val, i32imm:$ordering),
4379 def ATOMIC_LOAD_UMAX_I8 : PseudoInst<
4381 (ins GPR:$ptr, GPR:$val, i32imm:$ordering),
4383 def ATOMIC_SWAP_I8 : PseudoInst<
4385 (ins GPR:$ptr, GPR:$new, i32imm:$ordering),
4387 def ATOMIC_CMP_SWAP_I8 : PseudoInst<
4389 (ins GPR:$ptr, GPR:$old, GPR:$new, i32imm:$ordering),
4391 def ATOMIC_LOAD_ADD_I16 : PseudoInst<
4393 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4395 def ATOMIC_LOAD_SUB_I16 : PseudoInst<
4397 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4399 def ATOMIC_LOAD_AND_I16 : PseudoInst<
4401 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4403 def ATOMIC_LOAD_OR_I16 : PseudoInst<
4405 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4407 def ATOMIC_LOAD_XOR_I16 : PseudoInst<
4409 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4411 def ATOMIC_LOAD_NAND_I16 : PseudoInst<
4413 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4415 def ATOMIC_LOAD_MIN_I16 : PseudoInst<
4417 (ins GPR:$ptr, GPR:$val, i32imm:$ordering),
4419 def ATOMIC_LOAD_MAX_I16 : PseudoInst<
4421 (ins GPR:$ptr, GPR:$val, i32imm:$ordering),
4423 def ATOMIC_LOAD_UMIN_I16 : PseudoInst<
4425 (ins GPR:$ptr, GPR:$val, i32imm:$ordering),
4427 def ATOMIC_LOAD_UMAX_I16 : PseudoInst<
4429 (ins GPR:$ptr, GPR:$val, i32imm:$ordering),
4431 def ATOMIC_SWAP_I16 : PseudoInst<
4433 (ins GPR:$ptr, GPR:$new, i32imm:$ordering),
4435 def ATOMIC_CMP_SWAP_I16 : PseudoInst<
4437 (ins GPR:$ptr, GPR:$old, GPR:$new, i32imm:$ordering),
4439 def ATOMIC_LOAD_ADD_I32 : PseudoInst<
4441 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4443 def ATOMIC_LOAD_SUB_I32 : PseudoInst<
4445 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4447 def ATOMIC_LOAD_AND_I32 : PseudoInst<
4449 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4451 def ATOMIC_LOAD_OR_I32 : PseudoInst<
4453 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4455 def ATOMIC_LOAD_XOR_I32 : PseudoInst<
4457 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4459 def ATOMIC_LOAD_NAND_I32 : PseudoInst<
4461 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4463 def ATOMIC_LOAD_MIN_I32 : PseudoInst<
4465 (ins GPR:$ptr, GPR:$val, i32imm:$ordering),
4467 def ATOMIC_LOAD_MAX_I32 : PseudoInst<
4469 (ins GPR:$ptr, GPR:$val, i32imm:$ordering),
4471 def ATOMIC_LOAD_UMIN_I32 : PseudoInst<
4473 (ins GPR:$ptr, GPR:$val, i32imm:$ordering),
4475 def ATOMIC_LOAD_UMAX_I32 : PseudoInst<
4477 (ins GPR:$ptr, GPR:$val, i32imm:$ordering),
4479 def ATOMIC_SWAP_I32 : PseudoInst<
4481 (ins GPR:$ptr, GPR:$new, i32imm:$ordering),
4483 def ATOMIC_CMP_SWAP_I32 : PseudoInst<
4485 (ins GPR:$ptr, GPR:$old, GPR:$new, i32imm:$ordering),
4487 def ATOMIC_LOAD_ADD_I64 : PseudoInst<
4488 (outs GPR:$dst1, GPR:$dst2),
4489 (ins GPR:$addr, GPR:$src1, GPR:$src2, i32imm:$ordering),
4491 def ATOMIC_LOAD_SUB_I64 : PseudoInst<
4492 (outs GPR:$dst1, GPR:$dst2),
4493 (ins GPR:$addr, GPR:$src1, GPR:$src2, i32imm:$ordering),
4495 def ATOMIC_LOAD_AND_I64 : PseudoInst<
4496 (outs GPR:$dst1, GPR:$dst2),
4497 (ins GPR:$addr, GPR:$src1, GPR:$src2, i32imm:$ordering),
4499 def ATOMIC_LOAD_OR_I64 : PseudoInst<
4500 (outs GPR:$dst1, GPR:$dst2),
4501 (ins GPR:$addr, GPR:$src1, GPR:$src2, i32imm:$ordering),
4503 def ATOMIC_LOAD_XOR_I64 : PseudoInst<
4504 (outs GPR:$dst1, GPR:$dst2),
4505 (ins GPR:$addr, GPR:$src1, GPR:$src2, i32imm:$ordering),
4507 def ATOMIC_LOAD_NAND_I64 : PseudoInst<
4508 (outs GPR:$dst1, GPR:$dst2),
4509 (ins GPR:$addr, GPR:$src1, GPR:$src2, i32imm:$ordering),
4511 def ATOMIC_LOAD_MIN_I64 : PseudoInst<
4512 (outs GPR:$dst1, GPR:$dst2),
4513 (ins GPR:$addr, GPR:$src1, GPR:$src2, i32imm:$ordering),
4515 def ATOMIC_LOAD_MAX_I64 : PseudoInst<
4516 (outs GPR:$dst1, GPR:$dst2),
4517 (ins GPR:$addr, GPR:$src1, GPR:$src2, i32imm:$ordering),
4519 def ATOMIC_LOAD_UMIN_I64 : PseudoInst<
4520 (outs GPR:$dst1, GPR:$dst2),
4521 (ins GPR:$addr, GPR:$src1, GPR:$src2, i32imm:$ordering),
4523 def ATOMIC_LOAD_UMAX_I64 : PseudoInst<
4524 (outs GPR:$dst1, GPR:$dst2),
4525 (ins GPR:$addr, GPR:$src1, GPR:$src2, i32imm:$ordering),
4527 def ATOMIC_SWAP_I64 : PseudoInst<
4528 (outs GPR:$dst1, GPR:$dst2),
4529 (ins GPR:$addr, GPR:$src1, GPR:$src2, i32imm:$ordering),
4531 def ATOMIC_CMP_SWAP_I64 : PseudoInst<
4532 (outs GPR:$dst1, GPR:$dst2),
4533 (ins GPR:$addr, GPR:$cmp1, GPR:$cmp2,
4534 GPR:$set1, GPR:$set2, i32imm:$ordering),
4538 def ATOMIC_LOAD_I64 : PseudoInst<
4539 (outs GPR:$dst1, GPR:$dst2),
4540 (ins GPR:$addr, i32imm:$ordering),
4544 let usesCustomInserter = 1 in {
4545 def COPY_STRUCT_BYVAL_I32 : PseudoInst<
4546 (outs), (ins GPR:$dst, GPR:$src, i32imm:$size, i32imm:$alignment),
4548 [(ARMcopystructbyval GPR:$dst, GPR:$src, imm:$size, imm:$alignment)]>;
4551 def ldrex_1 : PatFrag<(ops node:$ptr), (int_arm_ldrex node:$ptr), [{
4552 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i8;
4555 def ldrex_2 : PatFrag<(ops node:$ptr), (int_arm_ldrex node:$ptr), [{
4556 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i16;
4559 def ldrex_4 : PatFrag<(ops node:$ptr), (int_arm_ldrex node:$ptr), [{
4560 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i32;
4563 def strex_1 : PatFrag<(ops node:$val, node:$ptr),
4564 (int_arm_strex node:$val, node:$ptr), [{
4565 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i8;
4568 def strex_2 : PatFrag<(ops node:$val, node:$ptr),
4569 (int_arm_strex node:$val, node:$ptr), [{
4570 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i16;
4573 def strex_4 : PatFrag<(ops node:$val, node:$ptr),
4574 (int_arm_strex node:$val, node:$ptr), [{
4575 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i32;
4578 def ldaex_1 : PatFrag<(ops node:$ptr), (int_arm_ldaex node:$ptr), [{
4579 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i8;
4582 def ldaex_2 : PatFrag<(ops node:$ptr), (int_arm_ldaex node:$ptr), [{
4583 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i16;
4586 def ldaex_4 : PatFrag<(ops node:$ptr), (int_arm_ldaex node:$ptr), [{
4587 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i32;
4590 def stlex_1 : PatFrag<(ops node:$val, node:$ptr),
4591 (int_arm_stlex node:$val, node:$ptr), [{
4592 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i8;
4595 def stlex_2 : PatFrag<(ops node:$val, node:$ptr),
4596 (int_arm_stlex node:$val, node:$ptr), [{
4597 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i16;
4600 def stlex_4 : PatFrag<(ops node:$val, node:$ptr),
4601 (int_arm_stlex node:$val, node:$ptr), [{
4602 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i32;
4605 let mayLoad = 1 in {
4606 def LDREXB : AIldrex<0b10, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4607 NoItinerary, "ldrexb", "\t$Rt, $addr",
4608 [(set GPR:$Rt, (ldrex_1 addr_offset_none:$addr))]>;
4609 def LDREXH : AIldrex<0b11, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4610 NoItinerary, "ldrexh", "\t$Rt, $addr",
4611 [(set GPR:$Rt, (ldrex_2 addr_offset_none:$addr))]>;
4612 def LDREX : AIldrex<0b00, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4613 NoItinerary, "ldrex", "\t$Rt, $addr",
4614 [(set GPR:$Rt, (ldrex_4 addr_offset_none:$addr))]>;
4615 let hasExtraDefRegAllocReq = 1 in
4616 def LDREXD : AIldrex<0b01, (outs GPRPairOp:$Rt),(ins addr_offset_none:$addr),
4617 NoItinerary, "ldrexd", "\t$Rt, $addr", []> {
4618 let DecoderMethod = "DecodeDoubleRegLoad";
4621 def LDAEXB : AIldaex<0b10, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4622 NoItinerary, "ldaexb", "\t$Rt, $addr",
4623 [(set GPR:$Rt, (ldaex_1 addr_offset_none:$addr))]>;
4624 def LDAEXH : AIldaex<0b11, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4625 NoItinerary, "ldaexh", "\t$Rt, $addr",
4626 [(set GPR:$Rt, (ldaex_2 addr_offset_none:$addr))]>;
4627 def LDAEX : AIldaex<0b00, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4628 NoItinerary, "ldaex", "\t$Rt, $addr",
4629 [(set GPR:$Rt, (ldaex_4 addr_offset_none:$addr))]>;
4630 let hasExtraDefRegAllocReq = 1 in
4631 def LDAEXD : AIldaex<0b01, (outs GPRPairOp:$Rt),(ins addr_offset_none:$addr),
4632 NoItinerary, "ldaexd", "\t$Rt, $addr", []> {
4633 let DecoderMethod = "DecodeDoubleRegLoad";
4637 let mayStore = 1, Constraints = "@earlyclobber $Rd" in {
4638 def STREXB: AIstrex<0b10, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4639 NoItinerary, "strexb", "\t$Rd, $Rt, $addr",
4640 [(set GPR:$Rd, (strex_1 GPR:$Rt,
4641 addr_offset_none:$addr))]>;
4642 def STREXH: AIstrex<0b11, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4643 NoItinerary, "strexh", "\t$Rd, $Rt, $addr",
4644 [(set GPR:$Rd, (strex_2 GPR:$Rt,
4645 addr_offset_none:$addr))]>;
4646 def STREX : AIstrex<0b00, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4647 NoItinerary, "strex", "\t$Rd, $Rt, $addr",
4648 [(set GPR:$Rd, (strex_4 GPR:$Rt,
4649 addr_offset_none:$addr))]>;
4650 let hasExtraSrcRegAllocReq = 1 in
4651 def STREXD : AIstrex<0b01, (outs GPR:$Rd),
4652 (ins GPRPairOp:$Rt, addr_offset_none:$addr),
4653 NoItinerary, "strexd", "\t$Rd, $Rt, $addr", []> {
4654 let DecoderMethod = "DecodeDoubleRegStore";
4656 def STLEXB: AIstlex<0b10, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4657 NoItinerary, "stlexb", "\t$Rd, $Rt, $addr",
4659 (stlex_1 GPR:$Rt, addr_offset_none:$addr))]>;
4660 def STLEXH: AIstlex<0b11, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4661 NoItinerary, "stlexh", "\t$Rd, $Rt, $addr",
4663 (stlex_2 GPR:$Rt, addr_offset_none:$addr))]>;
4664 def STLEX : AIstlex<0b00, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4665 NoItinerary, "stlex", "\t$Rd, $Rt, $addr",
4667 (stlex_4 GPR:$Rt, addr_offset_none:$addr))]>;
4668 let hasExtraSrcRegAllocReq = 1 in
4669 def STLEXD : AIstlex<0b01, (outs GPR:$Rd),
4670 (ins GPRPairOp:$Rt, addr_offset_none:$addr),
4671 NoItinerary, "stlexd", "\t$Rd, $Rt, $addr", []> {
4672 let DecoderMethod = "DecodeDoubleRegStore";
4676 def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex",
4678 Requires<[IsARM, HasV7]> {
4679 let Inst{31-0} = 0b11110101011111111111000000011111;
4682 def : ARMPat<(and (ldrex_1 addr_offset_none:$addr), 0xff),
4683 (LDREXB addr_offset_none:$addr)>;
4684 def : ARMPat<(and (ldrex_2 addr_offset_none:$addr), 0xffff),
4685 (LDREXH addr_offset_none:$addr)>;
4686 def : ARMPat<(strex_1 (and GPR:$Rt, 0xff), addr_offset_none:$addr),
4687 (STREXB GPR:$Rt, addr_offset_none:$addr)>;
4688 def : ARMPat<(strex_2 (and GPR:$Rt, 0xffff), addr_offset_none:$addr),
4689 (STREXH GPR:$Rt, addr_offset_none:$addr)>;
4691 def : ARMPat<(and (ldaex_1 addr_offset_none:$addr), 0xff),
4692 (LDAEXB addr_offset_none:$addr)>;
4693 def : ARMPat<(and (ldaex_2 addr_offset_none:$addr), 0xffff),
4694 (LDAEXH addr_offset_none:$addr)>;
4695 def : ARMPat<(stlex_1 (and GPR:$Rt, 0xff), addr_offset_none:$addr),
4696 (STLEXB GPR:$Rt, addr_offset_none:$addr)>;
4697 def : ARMPat<(stlex_2 (and GPR:$Rt, 0xffff), addr_offset_none:$addr),
4698 (STLEXH GPR:$Rt, addr_offset_none:$addr)>;
4700 class acquiring_load<PatFrag base>
4701 : PatFrag<(ops node:$ptr), (base node:$ptr), [{
4702 AtomicOrdering Ordering = cast<AtomicSDNode>(N)->getOrdering();
4703 return Ordering == Acquire || Ordering == SequentiallyConsistent;
4706 def atomic_load_acquire_8 : acquiring_load<atomic_load_8>;
4707 def atomic_load_acquire_16 : acquiring_load<atomic_load_16>;
4708 def atomic_load_acquire_32 : acquiring_load<atomic_load_32>;
4710 class releasing_store<PatFrag base>
4711 : PatFrag<(ops node:$ptr, node:$val), (base node:$ptr, node:$val), [{
4712 AtomicOrdering Ordering = cast<AtomicSDNode>(N)->getOrdering();
4713 return Ordering == Release || Ordering == SequentiallyConsistent;
4716 def atomic_store_release_8 : releasing_store<atomic_store_8>;
4717 def atomic_store_release_16 : releasing_store<atomic_store_16>;
4718 def atomic_store_release_32 : releasing_store<atomic_store_32>;
4720 let AddedComplexity = 8 in {
4721 def : ARMPat<(atomic_load_acquire_8 addr_offset_none:$addr), (LDAB addr_offset_none:$addr)>;
4722 def : ARMPat<(atomic_load_acquire_16 addr_offset_none:$addr), (LDAH addr_offset_none:$addr)>;
4723 def : ARMPat<(atomic_load_acquire_32 addr_offset_none:$addr), (LDA addr_offset_none:$addr)>;
4724 def : ARMPat<(atomic_store_release_8 addr_offset_none:$addr, GPR:$val), (STLB GPR:$val, addr_offset_none:$addr)>;
4725 def : ARMPat<(atomic_store_release_16 addr_offset_none:$addr, GPR:$val), (STLH GPR:$val, addr_offset_none:$addr)>;
4726 def : ARMPat<(atomic_store_release_32 addr_offset_none:$addr, GPR:$val), (STL GPR:$val, addr_offset_none:$addr)>;
4729 // SWP/SWPB are deprecated in V6/V7.
4730 let mayLoad = 1, mayStore = 1 in {
4731 def SWP : AIswp<0, (outs GPRnopc:$Rt),
4732 (ins GPRnopc:$Rt2, addr_offset_none:$addr), "swp", []>,
4734 def SWPB: AIswp<1, (outs GPRnopc:$Rt),
4735 (ins GPRnopc:$Rt2, addr_offset_none:$addr), "swpb", []>,
4739 //===----------------------------------------------------------------------===//
4740 // Coprocessor Instructions.
4743 def CDP : ABI<0b1110, (outs), (ins p_imm:$cop, imm0_15:$opc1,
4744 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, imm0_7:$opc2),
4745 NoItinerary, "cdp", "\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
4746 [(int_arm_cdp imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
4747 imm:$CRm, imm:$opc2)]>,
4756 let Inst{3-0} = CRm;
4758 let Inst{7-5} = opc2;
4759 let Inst{11-8} = cop;
4760 let Inst{15-12} = CRd;
4761 let Inst{19-16} = CRn;
4762 let Inst{23-20} = opc1;
4765 def CDP2 : ABXI<0b1110, (outs), (ins p_imm:$cop, imm0_15:$opc1,
4766 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, imm0_7:$opc2),
4767 NoItinerary, "cdp2\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
4768 [(int_arm_cdp2 imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
4769 imm:$CRm, imm:$opc2)]>,
4771 let Inst{31-28} = 0b1111;
4779 let Inst{3-0} = CRm;
4781 let Inst{7-5} = opc2;
4782 let Inst{11-8} = cop;
4783 let Inst{15-12} = CRd;
4784 let Inst{19-16} = CRn;
4785 let Inst{23-20} = opc1;
4788 class ACI<dag oops, dag iops, string opc, string asm,
4789 IndexMode im = IndexModeNone>
4790 : I<oops, iops, AddrModeNone, 4, im, BrFrm, NoItinerary,
4792 let Inst{27-25} = 0b110;
4794 class ACInoP<dag oops, dag iops, string opc, string asm,
4795 IndexMode im = IndexModeNone>
4796 : InoP<oops, iops, AddrModeNone, 4, im, BrFrm, NoItinerary,
4798 let Inst{31-28} = 0b1111;
4799 let Inst{27-25} = 0b110;
4801 multiclass LdStCop<bit load, bit Dbit, string asm> {
4802 def _OFFSET : ACI<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5:$addr),
4803 asm, "\t$cop, $CRd, $addr"> {
4807 let Inst{24} = 1; // P = 1
4808 let Inst{23} = addr{8};
4809 let Inst{22} = Dbit;
4810 let Inst{21} = 0; // W = 0
4811 let Inst{20} = load;
4812 let Inst{19-16} = addr{12-9};
4813 let Inst{15-12} = CRd;
4814 let Inst{11-8} = cop;
4815 let Inst{7-0} = addr{7-0};
4816 let DecoderMethod = "DecodeCopMemInstruction";
4818 def _PRE : ACI<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5_pre:$addr),
4819 asm, "\t$cop, $CRd, $addr!", IndexModePre> {
4823 let Inst{24} = 1; // P = 1
4824 let Inst{23} = addr{8};
4825 let Inst{22} = Dbit;
4826 let Inst{21} = 1; // W = 1
4827 let Inst{20} = load;
4828 let Inst{19-16} = addr{12-9};
4829 let Inst{15-12} = CRd;
4830 let Inst{11-8} = cop;
4831 let Inst{7-0} = addr{7-0};
4832 let DecoderMethod = "DecodeCopMemInstruction";
4834 def _POST: ACI<(outs), (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
4835 postidx_imm8s4:$offset),
4836 asm, "\t$cop, $CRd, $addr, $offset", IndexModePost> {
4841 let Inst{24} = 0; // P = 0
4842 let Inst{23} = offset{8};
4843 let Inst{22} = Dbit;
4844 let Inst{21} = 1; // W = 1
4845 let Inst{20} = load;
4846 let Inst{19-16} = addr;
4847 let Inst{15-12} = CRd;
4848 let Inst{11-8} = cop;
4849 let Inst{7-0} = offset{7-0};
4850 let DecoderMethod = "DecodeCopMemInstruction";
4852 def _OPTION : ACI<(outs),
4853 (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
4854 coproc_option_imm:$option),
4855 asm, "\t$cop, $CRd, $addr, $option"> {
4860 let Inst{24} = 0; // P = 0
4861 let Inst{23} = 1; // U = 1
4862 let Inst{22} = Dbit;
4863 let Inst{21} = 0; // W = 0
4864 let Inst{20} = load;
4865 let Inst{19-16} = addr;
4866 let Inst{15-12} = CRd;
4867 let Inst{11-8} = cop;
4868 let Inst{7-0} = option;
4869 let DecoderMethod = "DecodeCopMemInstruction";
4872 multiclass LdSt2Cop<bit load, bit Dbit, string asm> {
4873 def _OFFSET : ACInoP<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5:$addr),
4874 asm, "\t$cop, $CRd, $addr"> {
4878 let Inst{24} = 1; // P = 1
4879 let Inst{23} = addr{8};
4880 let Inst{22} = Dbit;
4881 let Inst{21} = 0; // W = 0
4882 let Inst{20} = load;
4883 let Inst{19-16} = addr{12-9};
4884 let Inst{15-12} = CRd;
4885 let Inst{11-8} = cop;
4886 let Inst{7-0} = addr{7-0};
4887 let DecoderMethod = "DecodeCopMemInstruction";
4889 def _PRE : ACInoP<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5_pre:$addr),
4890 asm, "\t$cop, $CRd, $addr!", IndexModePre> {
4894 let Inst{24} = 1; // P = 1
4895 let Inst{23} = addr{8};
4896 let Inst{22} = Dbit;
4897 let Inst{21} = 1; // W = 1
4898 let Inst{20} = load;
4899 let Inst{19-16} = addr{12-9};
4900 let Inst{15-12} = CRd;
4901 let Inst{11-8} = cop;
4902 let Inst{7-0} = addr{7-0};
4903 let DecoderMethod = "DecodeCopMemInstruction";
4905 def _POST: ACInoP<(outs), (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
4906 postidx_imm8s4:$offset),
4907 asm, "\t$cop, $CRd, $addr, $offset", IndexModePost> {
4912 let Inst{24} = 0; // P = 0
4913 let Inst{23} = offset{8};
4914 let Inst{22} = Dbit;
4915 let Inst{21} = 1; // W = 1
4916 let Inst{20} = load;
4917 let Inst{19-16} = addr;
4918 let Inst{15-12} = CRd;
4919 let Inst{11-8} = cop;
4920 let Inst{7-0} = offset{7-0};
4921 let DecoderMethod = "DecodeCopMemInstruction";
4923 def _OPTION : ACInoP<(outs),
4924 (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
4925 coproc_option_imm:$option),
4926 asm, "\t$cop, $CRd, $addr, $option"> {
4931 let Inst{24} = 0; // P = 0
4932 let Inst{23} = 1; // U = 1
4933 let Inst{22} = Dbit;
4934 let Inst{21} = 0; // W = 0
4935 let Inst{20} = load;
4936 let Inst{19-16} = addr;
4937 let Inst{15-12} = CRd;
4938 let Inst{11-8} = cop;
4939 let Inst{7-0} = option;
4940 let DecoderMethod = "DecodeCopMemInstruction";
4944 defm LDC : LdStCop <1, 0, "ldc">;
4945 defm LDCL : LdStCop <1, 1, "ldcl">;
4946 defm STC : LdStCop <0, 0, "stc">;
4947 defm STCL : LdStCop <0, 1, "stcl">;
4948 defm LDC2 : LdSt2Cop<1, 0, "ldc2">, Requires<[PreV8]>;
4949 defm LDC2L : LdSt2Cop<1, 1, "ldc2l">, Requires<[PreV8]>;
4950 defm STC2 : LdSt2Cop<0, 0, "stc2">, Requires<[PreV8]>;
4951 defm STC2L : LdSt2Cop<0, 1, "stc2l">, Requires<[PreV8]>;
4953 //===----------------------------------------------------------------------===//
4954 // Move between coprocessor and ARM core register.
4957 class MovRCopro<string opc, bit direction, dag oops, dag iops,
4959 : ABI<0b1110, oops, iops, NoItinerary, opc,
4960 "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2", pattern> {
4961 let Inst{20} = direction;
4971 let Inst{15-12} = Rt;
4972 let Inst{11-8} = cop;
4973 let Inst{23-21} = opc1;
4974 let Inst{7-5} = opc2;
4975 let Inst{3-0} = CRm;
4976 let Inst{19-16} = CRn;
4979 def MCR : MovRCopro<"mcr", 0 /* from ARM core register to coprocessor */,
4981 (ins p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
4982 c_imm:$CRm, imm0_7:$opc2),
4983 [(int_arm_mcr imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
4984 imm:$CRm, imm:$opc2)]>,
4985 ComplexDeprecationPredicate<"MCR">;
4986 def : ARMInstAlias<"mcr${p} $cop, $opc1, $Rt, $CRn, $CRm",
4987 (MCR p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
4988 c_imm:$CRm, 0, pred:$p)>;
4989 def MRC : MovRCopro<"mrc", 1 /* from coprocessor to ARM core register */,
4990 (outs GPRwithAPSR:$Rt),
4991 (ins p_imm:$cop, imm0_7:$opc1, c_imm:$CRn, c_imm:$CRm,
4993 def : ARMInstAlias<"mrc${p} $cop, $opc1, $Rt, $CRn, $CRm",
4994 (MRC GPRwithAPSR:$Rt, p_imm:$cop, imm0_7:$opc1, c_imm:$CRn,
4995 c_imm:$CRm, 0, pred:$p)>;
4997 def : ARMPat<(int_arm_mrc imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2),
4998 (MRC imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
5000 class MovRCopro2<string opc, bit direction, dag oops, dag iops,
5002 : ABXI<0b1110, oops, iops, NoItinerary,
5003 !strconcat(opc, "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2"), pattern> {
5004 let Inst{31-24} = 0b11111110;
5005 let Inst{20} = direction;
5015 let Inst{15-12} = Rt;
5016 let Inst{11-8} = cop;
5017 let Inst{23-21} = opc1;
5018 let Inst{7-5} = opc2;
5019 let Inst{3-0} = CRm;
5020 let Inst{19-16} = CRn;
5023 def MCR2 : MovRCopro2<"mcr2", 0 /* from ARM core register to coprocessor */,
5025 (ins p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
5026 c_imm:$CRm, imm0_7:$opc2),
5027 [(int_arm_mcr2 imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
5028 imm:$CRm, imm:$opc2)]>,
5030 def : ARMInstAlias<"mcr2$ $cop, $opc1, $Rt, $CRn, $CRm",
5031 (MCR2 p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
5033 def MRC2 : MovRCopro2<"mrc2", 1 /* from coprocessor to ARM core register */,
5034 (outs GPRwithAPSR:$Rt),
5035 (ins p_imm:$cop, imm0_7:$opc1, c_imm:$CRn, c_imm:$CRm,
5038 def : ARMInstAlias<"mrc2$ $cop, $opc1, $Rt, $CRn, $CRm",
5039 (MRC2 GPRwithAPSR:$Rt, p_imm:$cop, imm0_7:$opc1, c_imm:$CRn,
5042 def : ARMV5TPat<(int_arm_mrc2 imm:$cop, imm:$opc1, imm:$CRn,
5043 imm:$CRm, imm:$opc2),
5044 (MRC2 imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
5046 class MovRRCopro<string opc, bit direction, list<dag> pattern = []>
5047 : ABI<0b1100, (outs), (ins p_imm:$cop, imm0_15:$opc1,
5048 GPRnopc:$Rt, GPRnopc:$Rt2, c_imm:$CRm),
5049 NoItinerary, opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm", pattern> {
5050 let Inst{23-21} = 0b010;
5051 let Inst{20} = direction;
5059 let Inst{15-12} = Rt;
5060 let Inst{19-16} = Rt2;
5061 let Inst{11-8} = cop;
5062 let Inst{7-4} = opc1;
5063 let Inst{3-0} = CRm;
5066 def MCRR : MovRRCopro<"mcrr", 0 /* from ARM core register to coprocessor */,
5067 [(int_arm_mcrr imm:$cop, imm:$opc1, GPRnopc:$Rt,
5068 GPRnopc:$Rt2, imm:$CRm)]>;
5069 def MRRC : MovRRCopro<"mrrc", 1 /* from coprocessor to ARM core register */>;
5071 class MovRRCopro2<string opc, bit direction, list<dag> pattern = []>
5072 : ABXI<0b1100, (outs), (ins p_imm:$cop, imm0_15:$opc1,
5073 GPRnopc:$Rt, GPRnopc:$Rt2, c_imm:$CRm), NoItinerary,
5074 !strconcat(opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm"), pattern>,
5076 let Inst{31-28} = 0b1111;
5077 let Inst{23-21} = 0b010;
5078 let Inst{20} = direction;
5086 let Inst{15-12} = Rt;
5087 let Inst{19-16} = Rt2;
5088 let Inst{11-8} = cop;
5089 let Inst{7-4} = opc1;
5090 let Inst{3-0} = CRm;
5092 let DecoderMethod = "DecodeMRRC2";
5095 def MCRR2 : MovRRCopro2<"mcrr2", 0 /* from ARM core register to coprocessor */,
5096 [(int_arm_mcrr2 imm:$cop, imm:$opc1, GPRnopc:$Rt,
5097 GPRnopc:$Rt2, imm:$CRm)]>;
5098 def MRRC2 : MovRRCopro2<"mrrc2", 1 /* from coprocessor to ARM core register */>;
5100 //===----------------------------------------------------------------------===//
5101 // Move between special register and ARM core register
5104 // Move to ARM core register from Special Register
5105 def MRS : ABI<0b0001, (outs GPRnopc:$Rd), (ins), NoItinerary,
5106 "mrs", "\t$Rd, apsr", []> {
5108 let Inst{23-16} = 0b00001111;
5109 let Unpredictable{19-17} = 0b111;
5111 let Inst{15-12} = Rd;
5113 let Inst{11-0} = 0b000000000000;
5114 let Unpredictable{11-0} = 0b110100001111;
5117 def : InstAlias<"mrs${p} $Rd, cpsr", (MRS GPRnopc:$Rd, pred:$p)>,
5120 // The MRSsys instruction is the MRS instruction from the ARM ARM,
5121 // section B9.3.9, with the R bit set to 1.
5122 def MRSsys : ABI<0b0001, (outs GPRnopc:$Rd), (ins), NoItinerary,
5123 "mrs", "\t$Rd, spsr", []> {
5125 let Inst{23-16} = 0b01001111;
5126 let Unpredictable{19-16} = 0b1111;
5128 let Inst{15-12} = Rd;
5130 let Inst{11-0} = 0b000000000000;
5131 let Unpredictable{11-0} = 0b110100001111;
5134 // Move from ARM core register to Special Register
5136 // No need to have both system and application versions, the encodings are the
5137 // same and the assembly parser has no way to distinguish between them. The mask
5138 // operand contains the special register (R Bit) in bit 4 and bits 3-0 contains
5139 // the mask with the fields to be accessed in the special register.
5140 def MSR : ABI<0b0001, (outs), (ins msr_mask:$mask, GPR:$Rn), NoItinerary,
5141 "msr", "\t$mask, $Rn", []> {
5146 let Inst{22} = mask{4}; // R bit
5147 let Inst{21-20} = 0b10;
5148 let Inst{19-16} = mask{3-0};
5149 let Inst{15-12} = 0b1111;
5150 let Inst{11-4} = 0b00000000;
5154 def MSRi : ABI<0b0011, (outs), (ins msr_mask:$mask, so_imm:$a), NoItinerary,
5155 "msr", "\t$mask, $a", []> {
5160 let Inst{22} = mask{4}; // R bit
5161 let Inst{21-20} = 0b10;
5162 let Inst{19-16} = mask{3-0};
5163 let Inst{15-12} = 0b1111;
5167 //===----------------------------------------------------------------------===//
5171 // __aeabi_read_tp preserves the registers r1-r3.
5172 // This is a pseudo inst so that we can get the encoding right,
5173 // complete with fixup for the aeabi_read_tp function.
5175 Defs = [R0, R12, LR, CPSR], Uses = [SP] in {
5176 def TPsoft : PseudoInst<(outs), (ins), IIC_Br,
5177 [(set R0, ARMthread_pointer)]>, Sched<[WriteBr]>;
5180 //===----------------------------------------------------------------------===//
5181 // SJLJ Exception handling intrinsics
5182 // eh_sjlj_setjmp() is an instruction sequence to store the return
5183 // address and save #0 in R0 for the non-longjmp case.
5184 // Since by its nature we may be coming from some other function to get
5185 // here, and we're using the stack frame for the containing function to
5186 // save/restore registers, we can't keep anything live in regs across
5187 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
5188 // when we get here from a longjmp(). We force everything out of registers
5189 // except for our own input by listing the relevant registers in Defs. By
5190 // doing so, we also cause the prologue/epilogue code to actively preserve
5191 // all of the callee-saved resgisters, which is exactly what we want.
5192 // A constant value is passed in $val, and we use the location as a scratch.
5194 // These are pseudo-instructions and are lowered to individual MC-insts, so
5195 // no encoding information is necessary.
5197 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR,
5198 Q0, Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8, Q9, Q10, Q11, Q12, Q13, Q14, Q15 ],
5199 hasSideEffects = 1, isBarrier = 1, usesCustomInserter = 1 in {
5200 def Int_eh_sjlj_setjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
5202 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
5203 Requires<[IsARM, HasVFP2]>;
5207 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR ],
5208 hasSideEffects = 1, isBarrier = 1, usesCustomInserter = 1 in {
5209 def Int_eh_sjlj_setjmp_nofp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
5211 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
5212 Requires<[IsARM, NoVFP]>;
5215 // FIXME: Non-IOS version(s)
5216 let isBarrier = 1, hasSideEffects = 1, isTerminator = 1,
5217 Defs = [ R7, LR, SP ] in {
5218 def Int_eh_sjlj_longjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$scratch),
5220 [(ARMeh_sjlj_longjmp GPR:$src, GPR:$scratch)]>,
5221 Requires<[IsARM, IsIOS]>;
5224 // eh.sjlj.dispatchsetup pseudo-instruction.
5225 // This pseudo is used for both ARM and Thumb. Any differences are handled when
5226 // the pseudo is expanded (which happens before any passes that need the
5227 // instruction size).
5228 let isBarrier = 1 in
5229 def Int_eh_sjlj_dispatchsetup : PseudoInst<(outs), (ins), NoItinerary, []>;
5232 //===----------------------------------------------------------------------===//
5233 // Non-Instruction Patterns
5236 // ARMv4 indirect branch using (MOVr PC, dst)
5237 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in
5238 def MOVPCRX : ARMPseudoExpand<(outs), (ins GPR:$dst),
5239 4, IIC_Br, [(brind GPR:$dst)],
5240 (MOVr PC, GPR:$dst, (ops 14, zero_reg), zero_reg)>,
5241 Requires<[IsARM, NoV4T]>, Sched<[WriteBr]>;
5243 // Large immediate handling.
5245 // 32-bit immediate using two piece so_imms or movw + movt.
5246 // This is a single pseudo instruction, the benefit is that it can be remat'd
5247 // as a single unit instead of having to handle reg inputs.
5248 // FIXME: Remove this when we can do generalized remat.
5249 let isReMaterializable = 1, isMoveImm = 1 in
5250 def MOVi32imm : PseudoInst<(outs GPR:$dst), (ins i32imm:$src), IIC_iMOVix2,
5251 [(set GPR:$dst, (arm_i32imm:$src))]>,
5254 def LDRLIT_ga_abs : PseudoInst<(outs GPR:$dst), (ins i32imm:$src), IIC_iLoad_i,
5255 [(set GPR:$dst, (ARMWrapper tglobaladdr:$src))]>,
5256 Requires<[IsARM, DontUseMovt]>;
5258 // Pseudo instruction that combines movw + movt + add pc (if PIC).
5259 // It also makes it possible to rematerialize the instructions.
5260 // FIXME: Remove this when we can do generalized remat and when machine licm
5261 // can properly the instructions.
5262 let isReMaterializable = 1 in {
5263 def MOV_ga_pcrel : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
5265 [(set GPR:$dst, (ARMWrapperPIC tglobaladdr:$addr))]>,
5266 Requires<[IsARM, UseMovt]>;
5268 def LDRLIT_ga_pcrel : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
5271 (ARMWrapperPIC tglobaladdr:$addr))]>,
5272 Requires<[IsARM, DontUseMovt]>;
5274 def LDRLIT_ga_pcrel_ldr : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
5277 (load (ARMWrapperPIC tglobaladdr:$addr)))]>,
5278 Requires<[IsARM, DontUseMovt]>;
5280 let AddedComplexity = 10 in
5281 def MOV_ga_pcrel_ldr : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
5283 [(set GPR:$dst, (load (ARMWrapperPIC tglobaladdr:$addr)))]>,
5284 Requires<[IsARM, UseMovt]>;
5285 } // isReMaterializable
5287 // ConstantPool, GlobalAddress, and JumpTable
5288 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
5289 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
5290 Requires<[IsARM, UseMovt]>;
5291 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
5292 (LEApcrelJT tjumptable:$dst, imm:$id)>;
5294 // TODO: add,sub,and, 3-instr forms?
5296 // Tail calls. These patterns also apply to Thumb mode.
5297 def : Pat<(ARMtcret tcGPR:$dst), (TCRETURNri tcGPR:$dst)>;
5298 def : Pat<(ARMtcret (i32 tglobaladdr:$dst)), (TCRETURNdi texternalsym:$dst)>;
5299 def : Pat<(ARMtcret (i32 texternalsym:$dst)), (TCRETURNdi texternalsym:$dst)>;
5302 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>;
5303 def : ARMPat<(ARMcall_nolink texternalsym:$func),
5304 (BMOVPCB_CALL texternalsym:$func)>;
5306 // zextload i1 -> zextload i8
5307 def : ARMPat<(zextloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
5308 def : ARMPat<(zextloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
5310 // extload -> zextload
5311 def : ARMPat<(extloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
5312 def : ARMPat<(extloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
5313 def : ARMPat<(extloadi8 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
5314 def : ARMPat<(extloadi8 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
5316 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
5318 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
5319 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
5322 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
5323 (sra (shl GPR:$b, (i32 16)), (i32 16))),
5324 (SMULBB GPR:$a, GPR:$b)>;
5325 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
5326 (SMULBB GPR:$a, GPR:$b)>;
5327 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
5328 (sra GPR:$b, (i32 16))),
5329 (SMULBT GPR:$a, GPR:$b)>;
5330 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
5331 (SMULBT GPR:$a, GPR:$b)>;
5332 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
5333 (sra (shl GPR:$b, (i32 16)), (i32 16))),
5334 (SMULTB GPR:$a, GPR:$b)>;
5335 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
5336 (SMULTB GPR:$a, GPR:$b)>;
5337 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
5339 (SMULWB GPR:$a, GPR:$b)>;
5340 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
5341 (SMULWB GPR:$a, GPR:$b)>;
5343 def : ARMV5MOPat<(add GPR:$acc,
5344 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
5345 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
5346 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
5347 def : ARMV5MOPat<(add GPR:$acc,
5348 (mul sext_16_node:$a, sext_16_node:$b)),
5349 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
5350 def : ARMV5MOPat<(add GPR:$acc,
5351 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
5352 (sra GPR:$b, (i32 16)))),
5353 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
5354 def : ARMV5MOPat<(add GPR:$acc,
5355 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
5356 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
5357 def : ARMV5MOPat<(add GPR:$acc,
5358 (mul (sra GPR:$a, (i32 16)),
5359 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
5360 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
5361 def : ARMV5MOPat<(add GPR:$acc,
5362 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
5363 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
5364 def : ARMV5MOPat<(add GPR:$acc,
5365 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
5367 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
5368 def : ARMV5MOPat<(add GPR:$acc,
5369 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
5370 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
5373 // Pre-v7 uses MCR for synchronization barriers.
5374 def : ARMPat<(ARMMemBarrierMCR GPR:$zero), (MCR 15, 0, GPR:$zero, 7, 10, 5)>,
5375 Requires<[IsARM, HasV6]>;
5377 // SXT/UXT with no rotate
5378 let AddedComplexity = 16 in {
5379 def : ARMV6Pat<(and GPR:$Src, 0x000000FF), (UXTB GPR:$Src, 0)>;
5380 def : ARMV6Pat<(and GPR:$Src, 0x0000FFFF), (UXTH GPR:$Src, 0)>;
5381 def : ARMV6Pat<(and GPR:$Src, 0x00FF00FF), (UXTB16 GPR:$Src, 0)>;
5382 def : ARMV6Pat<(add GPR:$Rn, (and GPR:$Rm, 0x00FF)),
5383 (UXTAB GPR:$Rn, GPR:$Rm, 0)>;
5384 def : ARMV6Pat<(add GPR:$Rn, (and GPR:$Rm, 0xFFFF)),
5385 (UXTAH GPR:$Rn, GPR:$Rm, 0)>;
5388 def : ARMV6Pat<(sext_inreg GPR:$Src, i8), (SXTB GPR:$Src, 0)>;
5389 def : ARMV6Pat<(sext_inreg GPR:$Src, i16), (SXTH GPR:$Src, 0)>;
5391 def : ARMV6Pat<(add GPR:$Rn, (sext_inreg GPRnopc:$Rm, i8)),
5392 (SXTAB GPR:$Rn, GPRnopc:$Rm, 0)>;
5393 def : ARMV6Pat<(add GPR:$Rn, (sext_inreg GPRnopc:$Rm, i16)),
5394 (SXTAH GPR:$Rn, GPRnopc:$Rm, 0)>;
5396 // Atomic load/store patterns
5397 def : ARMPat<(atomic_load_8 ldst_so_reg:$src),
5398 (LDRBrs ldst_so_reg:$src)>;
5399 def : ARMPat<(atomic_load_8 addrmode_imm12:$src),
5400 (LDRBi12 addrmode_imm12:$src)>;
5401 def : ARMPat<(atomic_load_16 addrmode3:$src),
5402 (LDRH addrmode3:$src)>;
5403 def : ARMPat<(atomic_load_32 ldst_so_reg:$src),
5404 (LDRrs ldst_so_reg:$src)>;
5405 def : ARMPat<(atomic_load_32 addrmode_imm12:$src),
5406 (LDRi12 addrmode_imm12:$src)>;
5407 def : ARMPat<(atomic_store_8 ldst_so_reg:$ptr, GPR:$val),
5408 (STRBrs GPR:$val, ldst_so_reg:$ptr)>;
5409 def : ARMPat<(atomic_store_8 addrmode_imm12:$ptr, GPR:$val),
5410 (STRBi12 GPR:$val, addrmode_imm12:$ptr)>;
5411 def : ARMPat<(atomic_store_16 addrmode3:$ptr, GPR:$val),
5412 (STRH GPR:$val, addrmode3:$ptr)>;
5413 def : ARMPat<(atomic_store_32 ldst_so_reg:$ptr, GPR:$val),
5414 (STRrs GPR:$val, ldst_so_reg:$ptr)>;
5415 def : ARMPat<(atomic_store_32 addrmode_imm12:$ptr, GPR:$val),
5416 (STRi12 GPR:$val, addrmode_imm12:$ptr)>;
5419 //===----------------------------------------------------------------------===//
5423 include "ARMInstrThumb.td"
5425 //===----------------------------------------------------------------------===//
5429 include "ARMInstrThumb2.td"
5431 //===----------------------------------------------------------------------===//
5432 // Floating Point Support
5435 include "ARMInstrVFP.td"
5437 //===----------------------------------------------------------------------===//
5438 // Advanced SIMD (NEON) Support
5441 include "ARMInstrNEON.td"
5443 //===----------------------------------------------------------------------===//
5444 // Assembler aliases
5448 def : InstAlias<"dmb", (DMB 0xf)>, Requires<[IsARM, HasDB]>;
5449 def : InstAlias<"dsb", (DSB 0xf)>, Requires<[IsARM, HasDB]>;
5450 def : InstAlias<"isb", (ISB 0xf)>, Requires<[IsARM, HasDB]>;
5452 // System instructions
5453 def : MnemonicAlias<"swi", "svc">;
5455 // Load / Store Multiple
5456 def : MnemonicAlias<"ldmfd", "ldm">;
5457 def : MnemonicAlias<"ldmia", "ldm">;
5458 def : MnemonicAlias<"ldmea", "ldmdb">;
5459 def : MnemonicAlias<"stmfd", "stmdb">;
5460 def : MnemonicAlias<"stmia", "stm">;
5461 def : MnemonicAlias<"stmea", "stm">;
5463 // PKHBT/PKHTB with default shift amount. PKHTB is equivalent to PKHBT when the
5464 // shift amount is zero (i.e., unspecified).
5465 def : InstAlias<"pkhbt${p} $Rd, $Rn, $Rm",
5466 (PKHBT GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, 0, pred:$p)>,
5467 Requires<[IsARM, HasV6]>;
5468 def : InstAlias<"pkhtb${p} $Rd, $Rn, $Rm",
5469 (PKHBT GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, 0, pred:$p)>,
5470 Requires<[IsARM, HasV6]>;
5472 // PUSH/POP aliases for STM/LDM
5473 def : ARMInstAlias<"push${p} $regs", (STMDB_UPD SP, pred:$p, reglist:$regs)>;
5474 def : ARMInstAlias<"pop${p} $regs", (LDMIA_UPD SP, pred:$p, reglist:$regs)>;
5476 // SSAT/USAT optional shift operand.
5477 def : ARMInstAlias<"ssat${p} $Rd, $sat_imm, $Rn",
5478 (SSAT GPRnopc:$Rd, imm1_32:$sat_imm, GPRnopc:$Rn, 0, pred:$p)>;
5479 def : ARMInstAlias<"usat${p} $Rd, $sat_imm, $Rn",
5480 (USAT GPRnopc:$Rd, imm0_31:$sat_imm, GPRnopc:$Rn, 0, pred:$p)>;
5483 // Extend instruction optional rotate operand.
5484 def : ARMInstAlias<"sxtab${p} $Rd, $Rn, $Rm",
5485 (SXTAB GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5486 def : ARMInstAlias<"sxtah${p} $Rd, $Rn, $Rm",
5487 (SXTAH GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5488 def : ARMInstAlias<"sxtab16${p} $Rd, $Rn, $Rm",
5489 (SXTAB16 GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5490 def : ARMInstAlias<"sxtb${p} $Rd, $Rm",
5491 (SXTB GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5492 def : ARMInstAlias<"sxtb16${p} $Rd, $Rm",
5493 (SXTB16 GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5494 def : ARMInstAlias<"sxth${p} $Rd, $Rm",
5495 (SXTH GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5497 def : ARMInstAlias<"uxtab${p} $Rd, $Rn, $Rm",
5498 (UXTAB GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5499 def : ARMInstAlias<"uxtah${p} $Rd, $Rn, $Rm",
5500 (UXTAH GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5501 def : ARMInstAlias<"uxtab16${p} $Rd, $Rn, $Rm",
5502 (UXTAB16 GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5503 def : ARMInstAlias<"uxtb${p} $Rd, $Rm",
5504 (UXTB GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5505 def : ARMInstAlias<"uxtb16${p} $Rd, $Rm",
5506 (UXTB16 GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5507 def : ARMInstAlias<"uxth${p} $Rd, $Rm",
5508 (UXTH GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5512 def : MnemonicAlias<"rfefa", "rfeda">;
5513 def : MnemonicAlias<"rfeea", "rfedb">;
5514 def : MnemonicAlias<"rfefd", "rfeia">;
5515 def : MnemonicAlias<"rfeed", "rfeib">;
5516 def : MnemonicAlias<"rfe", "rfeia">;
5519 def : MnemonicAlias<"srsfa", "srsib">;
5520 def : MnemonicAlias<"srsea", "srsia">;
5521 def : MnemonicAlias<"srsfd", "srsdb">;
5522 def : MnemonicAlias<"srsed", "srsda">;
5523 def : MnemonicAlias<"srs", "srsia">;
5526 def : MnemonicAlias<"qsubaddx", "qsax">;
5528 def : MnemonicAlias<"saddsubx", "sasx">;
5529 // SHASX == SHADDSUBX
5530 def : MnemonicAlias<"shaddsubx", "shasx">;
5531 // SHSAX == SHSUBADDX
5532 def : MnemonicAlias<"shsubaddx", "shsax">;
5534 def : MnemonicAlias<"ssubaddx", "ssax">;
5536 def : MnemonicAlias<"uaddsubx", "uasx">;
5537 // UHASX == UHADDSUBX
5538 def : MnemonicAlias<"uhaddsubx", "uhasx">;
5539 // UHSAX == UHSUBADDX
5540 def : MnemonicAlias<"uhsubaddx", "uhsax">;
5541 // UQASX == UQADDSUBX
5542 def : MnemonicAlias<"uqaddsubx", "uqasx">;
5543 // UQSAX == UQSUBADDX
5544 def : MnemonicAlias<"uqsubaddx", "uqsax">;
5546 def : MnemonicAlias<"usubaddx", "usax">;
5548 // "mov Rd, so_imm_not" can be handled via "mvn" in assembly, just like
5550 def : ARMInstAlias<"mov${s}${p} $Rd, $imm",
5551 (MVNi rGPR:$Rd, so_imm_not:$imm, pred:$p, cc_out:$s)>;
5552 def : ARMInstAlias<"mvn${s}${p} $Rd, $imm",
5553 (MOVi rGPR:$Rd, so_imm_not:$imm, pred:$p, cc_out:$s)>;
5554 // Same for AND <--> BIC
5555 def : ARMInstAlias<"bic${s}${p} $Rd, $Rn, $imm",
5556 (ANDri rGPR:$Rd, rGPR:$Rn, so_imm_not:$imm,
5557 pred:$p, cc_out:$s)>;
5558 def : ARMInstAlias<"bic${s}${p} $Rdn, $imm",
5559 (ANDri rGPR:$Rdn, rGPR:$Rdn, so_imm_not:$imm,
5560 pred:$p, cc_out:$s)>;
5561 def : ARMInstAlias<"and${s}${p} $Rd, $Rn, $imm",
5562 (BICri rGPR:$Rd, rGPR:$Rn, so_imm_not:$imm,
5563 pred:$p, cc_out:$s)>;
5564 def : ARMInstAlias<"and${s}${p} $Rdn, $imm",
5565 (BICri rGPR:$Rdn, rGPR:$Rdn, so_imm_not:$imm,
5566 pred:$p, cc_out:$s)>;
5568 // Likewise, "add Rd, so_imm_neg" -> sub
5569 def : ARMInstAlias<"add${s}${p} $Rd, $Rn, $imm",
5570 (SUBri GPR:$Rd, GPR:$Rn, so_imm_neg:$imm, pred:$p, cc_out:$s)>;
5571 def : ARMInstAlias<"add${s}${p} $Rd, $imm",
5572 (SUBri GPR:$Rd, GPR:$Rd, so_imm_neg:$imm, pred:$p, cc_out:$s)>;
5573 // Same for CMP <--> CMN via so_imm_neg
5574 def : ARMInstAlias<"cmp${p} $Rd, $imm",
5575 (CMNri rGPR:$Rd, so_imm_neg:$imm, pred:$p)>;
5576 def : ARMInstAlias<"cmn${p} $Rd, $imm",
5577 (CMPri rGPR:$Rd, so_imm_neg:$imm, pred:$p)>;
5579 // The shifter forms of the MOV instruction are aliased to the ASR, LSL,
5580 // LSR, ROR, and RRX instructions.
5581 // FIXME: We need C++ parser hooks to map the alias to the MOV
5582 // encoding. It seems we should be able to do that sort of thing
5583 // in tblgen, but it could get ugly.
5584 let TwoOperandAliasConstraint = "$Rm = $Rd" in {
5585 def ASRi : ARMAsmPseudo<"asr${s}${p} $Rd, $Rm, $imm",
5586 (ins GPR:$Rd, GPR:$Rm, imm0_32:$imm, pred:$p,
5588 def LSRi : ARMAsmPseudo<"lsr${s}${p} $Rd, $Rm, $imm",
5589 (ins GPR:$Rd, GPR:$Rm, imm0_32:$imm, pred:$p,
5591 def LSLi : ARMAsmPseudo<"lsl${s}${p} $Rd, $Rm, $imm",
5592 (ins GPR:$Rd, GPR:$Rm, imm0_31:$imm, pred:$p,
5594 def RORi : ARMAsmPseudo<"ror${s}${p} $Rd, $Rm, $imm",
5595 (ins GPR:$Rd, GPR:$Rm, imm0_31:$imm, pred:$p,
5598 def RRXi : ARMAsmPseudo<"rrx${s}${p} $Rd, $Rm",
5599 (ins GPR:$Rd, GPR:$Rm, pred:$p, cc_out:$s)>;
5600 let TwoOperandAliasConstraint = "$Rn = $Rd" in {
5601 def ASRr : ARMAsmPseudo<"asr${s}${p} $Rd, $Rn, $Rm",
5602 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5604 def LSRr : ARMAsmPseudo<"lsr${s}${p} $Rd, $Rn, $Rm",
5605 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5607 def LSLr : ARMAsmPseudo<"lsl${s}${p} $Rd, $Rn, $Rm",
5608 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5610 def RORr : ARMAsmPseudo<"ror${s}${p} $Rd, $Rn, $Rm",
5611 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5615 // "neg" is and alias for "rsb rd, rn, #0"
5616 def : ARMInstAlias<"neg${s}${p} $Rd, $Rm",
5617 (RSBri GPR:$Rd, GPR:$Rm, 0, pred:$p, cc_out:$s)>;
5619 // Pre-v6, 'mov r0, r0' was used as a NOP encoding.
5620 def : InstAlias<"nop${p}", (MOVr R0, R0, pred:$p, zero_reg)>,
5621 Requires<[IsARM, NoV6]>;
5623 // MUL/UMLAL/SMLAL/UMULL/SMULL are available on all arches, but
5624 // the instruction definitions need difference constraints pre-v6.
5625 // Use these aliases for the assembly parsing on pre-v6.
5626 def : InstAlias<"mul${s}${p} $Rd, $Rn, $Rm",
5627 (MUL GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p, cc_out:$s)>,
5628 Requires<[IsARM, NoV6]>;
5629 def : InstAlias<"mla${s}${p} $Rd, $Rn, $Rm, $Ra",
5630 (MLA GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$Ra,
5631 pred:$p, cc_out:$s)>,
5632 Requires<[IsARM, NoV6]>;
5633 def : InstAlias<"smlal${s}${p} $RdLo, $RdHi, $Rn, $Rm",
5634 (SMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
5635 Requires<[IsARM, NoV6]>;
5636 def : InstAlias<"umlal${s}${p} $RdLo, $RdHi, $Rn, $Rm",
5637 (UMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
5638 Requires<[IsARM, NoV6]>;
5639 def : InstAlias<"smull${s}${p} $RdLo, $RdHi, $Rn, $Rm",
5640 (SMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
5641 Requires<[IsARM, NoV6]>;
5642 def : InstAlias<"umull${s}${p} $RdLo, $RdHi, $Rn, $Rm",
5643 (UMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
5644 Requires<[IsARM, NoV6]>;
5646 // 'it' blocks in ARM mode just validate the predicates. The IT itself
5648 def ITasm : ARMAsmPseudo<"it$mask $cc", (ins it_pred:$cc, it_mask:$mask)>,
5649 ComplexDeprecationPredicate<"IT">;