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 SDTBinaryArithWithFlags : SDTypeProfile<2, 2,
77 SDTCisInt<0>, SDTCisVT<1, i32>]>;
79 // SDTBinaryArithWithFlagsInOut - RES1, CPSR = op LHS, RHS, CPSR
80 def SDTBinaryArithWithFlagsInOut : SDTypeProfile<2, 3,
87 def SDT_ARM64bitmlal : SDTypeProfile<2,4, [ SDTCisVT<0, i32>, SDTCisVT<1, i32>,
88 SDTCisVT<2, i32>, SDTCisVT<3, i32>,
89 SDTCisVT<4, i32>, SDTCisVT<5, i32> ] >;
90 def ARMUmlal : SDNode<"ARMISD::UMLAL", SDT_ARM64bitmlal>;
91 def ARMSmlal : SDNode<"ARMISD::SMLAL", SDT_ARM64bitmlal>;
94 def ARMWrapper : SDNode<"ARMISD::Wrapper", SDTIntUnaryOp>;
95 def ARMWrapperDYN : SDNode<"ARMISD::WrapperDYN", SDTIntUnaryOp>;
96 def ARMWrapperPIC : SDNode<"ARMISD::WrapperPIC", SDTIntUnaryOp>;
97 def ARMWrapperJT : SDNode<"ARMISD::WrapperJT", SDTIntBinOp>;
99 def ARMcallseq_start : SDNode<"ISD::CALLSEQ_START", SDT_ARMCallSeqStart,
100 [SDNPHasChain, SDNPSideEffect, SDNPOutGlue]>;
101 def ARMcallseq_end : SDNode<"ISD::CALLSEQ_END", SDT_ARMCallSeqEnd,
102 [SDNPHasChain, SDNPSideEffect,
103 SDNPOptInGlue, SDNPOutGlue]>;
104 def ARMcopystructbyval : SDNode<"ARMISD::COPY_STRUCT_BYVAL" ,
106 [SDNPHasChain, SDNPInGlue, SDNPOutGlue,
107 SDNPMayStore, SDNPMayLoad]>;
109 def ARMcall : SDNode<"ARMISD::CALL", SDT_ARMcall,
110 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
112 def ARMcall_pred : SDNode<"ARMISD::CALL_PRED", SDT_ARMcall,
113 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
115 def ARMcall_nolink : SDNode<"ARMISD::CALL_NOLINK", SDT_ARMcall,
116 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
119 def ARMretflag : SDNode<"ARMISD::RET_FLAG", SDTNone,
120 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
122 def ARMcmov : SDNode<"ARMISD::CMOV", SDT_ARMCMov,
125 def ARMbrcond : SDNode<"ARMISD::BRCOND", SDT_ARMBrcond,
126 [SDNPHasChain, SDNPInGlue, SDNPOutGlue]>;
128 def ARMbrjt : SDNode<"ARMISD::BR_JT", SDT_ARMBrJT,
130 def ARMbr2jt : SDNode<"ARMISD::BR2_JT", SDT_ARMBr2JT,
133 def ARMBcci64 : SDNode<"ARMISD::BCC_i64", SDT_ARMBCC_i64,
136 def ARMcmp : SDNode<"ARMISD::CMP", SDT_ARMCmp,
139 def ARMcmn : SDNode<"ARMISD::CMN", SDT_ARMCmp,
142 def ARMcmpZ : SDNode<"ARMISD::CMPZ", SDT_ARMCmp,
143 [SDNPOutGlue, SDNPCommutative]>;
145 def ARMpic_add : SDNode<"ARMISD::PIC_ADD", SDT_ARMPICAdd>;
147 def ARMsrl_flag : SDNode<"ARMISD::SRL_FLAG", SDTIntUnaryOp, [SDNPOutGlue]>;
148 def ARMsra_flag : SDNode<"ARMISD::SRA_FLAG", SDTIntUnaryOp, [SDNPOutGlue]>;
149 def ARMrrx : SDNode<"ARMISD::RRX" , SDTIntUnaryOp, [SDNPInGlue ]>;
151 def ARMaddc : SDNode<"ARMISD::ADDC", SDTBinaryArithWithFlags,
153 def ARMsubc : SDNode<"ARMISD::SUBC", SDTBinaryArithWithFlags>;
154 def ARMadde : SDNode<"ARMISD::ADDE", SDTBinaryArithWithFlagsInOut>;
155 def ARMsube : SDNode<"ARMISD::SUBE", SDTBinaryArithWithFlagsInOut>;
157 def ARMthread_pointer: SDNode<"ARMISD::THREAD_POINTER", SDT_ARMThreadPointer>;
158 def ARMeh_sjlj_setjmp: SDNode<"ARMISD::EH_SJLJ_SETJMP",
159 SDT_ARMEH_SJLJ_Setjmp,
160 [SDNPHasChain, SDNPSideEffect]>;
161 def ARMeh_sjlj_longjmp: SDNode<"ARMISD::EH_SJLJ_LONGJMP",
162 SDT_ARMEH_SJLJ_Longjmp,
163 [SDNPHasChain, SDNPSideEffect]>;
165 def ARMMemBarrier : SDNode<"ARMISD::MEMBARRIER", SDT_ARMMEMBARRIER,
166 [SDNPHasChain, SDNPSideEffect]>;
167 def ARMMemBarrierMCR : SDNode<"ARMISD::MEMBARRIER_MCR", SDT_ARMMEMBARRIER,
168 [SDNPHasChain, SDNPSideEffect]>;
169 def ARMPreload : SDNode<"ARMISD::PRELOAD", SDT_ARMPREFETCH,
170 [SDNPHasChain, SDNPMayLoad, SDNPMayStore]>;
172 def ARMrbit : SDNode<"ARMISD::RBIT", SDTIntUnaryOp>;
174 def ARMtcret : SDNode<"ARMISD::TC_RETURN", SDT_ARMTCRET,
175 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
178 def ARMbfi : SDNode<"ARMISD::BFI", SDT_ARMBFI>;
180 //===----------------------------------------------------------------------===//
181 // ARM Instruction Predicate Definitions.
183 def HasV4T : Predicate<"Subtarget->hasV4TOps()">,
184 AssemblerPredicate<"HasV4TOps", "armv4t">;
185 def NoV4T : Predicate<"!Subtarget->hasV4TOps()">;
186 def HasV5T : Predicate<"Subtarget->hasV5TOps()">;
187 def HasV5TE : Predicate<"Subtarget->hasV5TEOps()">,
188 AssemblerPredicate<"HasV5TEOps", "armv5te">;
189 def HasV6 : Predicate<"Subtarget->hasV6Ops()">,
190 AssemblerPredicate<"HasV6Ops", "armv6">;
191 def NoV6 : Predicate<"!Subtarget->hasV6Ops()">;
192 def HasV6T2 : Predicate<"Subtarget->hasV6T2Ops()">,
193 AssemblerPredicate<"HasV6T2Ops", "armv6t2">;
194 def NoV6T2 : Predicate<"!Subtarget->hasV6T2Ops()">;
195 def HasV7 : Predicate<"Subtarget->hasV7Ops()">,
196 AssemblerPredicate<"HasV7Ops", "armv7">;
197 def HasV8 : Predicate<"Subtarget->hasV8Ops()">,
198 AssemblerPredicate<"HasV8Ops", "armv8">;
199 def PreV8 : Predicate<"!Subtarget->hasV8Ops()">,
200 AssemblerPredicate<"!HasV8Ops", "armv7 or earlier">;
201 def NoVFP : Predicate<"!Subtarget->hasVFP2()">;
202 def HasVFP2 : Predicate<"Subtarget->hasVFP2()">,
203 AssemblerPredicate<"FeatureVFP2", "VFP2">;
204 def HasVFP3 : Predicate<"Subtarget->hasVFP3()">,
205 AssemblerPredicate<"FeatureVFP3", "VFP3">;
206 def HasVFP4 : Predicate<"Subtarget->hasVFP4()">,
207 AssemblerPredicate<"FeatureVFP4", "VFP4">;
208 def HasV8FP : Predicate<"Subtarget->hasV8FP()">,
209 AssemblerPredicate<"FeatureV8FP", "V8FP">;
210 def HasNEON : Predicate<"Subtarget->hasNEON()">,
211 AssemblerPredicate<"FeatureNEON", "NEON">;
212 def HasFP16 : Predicate<"Subtarget->hasFP16()">,
213 AssemblerPredicate<"FeatureFP16","half-float">;
214 def HasDivide : Predicate<"Subtarget->hasDivide()">,
215 AssemblerPredicate<"FeatureHWDiv", "divide">;
216 def HasDivideInARM : Predicate<"Subtarget->hasDivideInARMMode()">,
217 AssemblerPredicate<"FeatureHWDivARM">;
218 def HasT2ExtractPack : Predicate<"Subtarget->hasT2ExtractPack()">,
219 AssemblerPredicate<"FeatureT2XtPk",
221 def HasThumb2DSP : Predicate<"Subtarget->hasThumb2DSP()">,
222 AssemblerPredicate<"FeatureDSPThumb2",
224 def HasDB : Predicate<"Subtarget->hasDataBarrier()">,
225 AssemblerPredicate<"FeatureDB",
227 def HasMP : Predicate<"Subtarget->hasMPExtension()">,
228 AssemblerPredicate<"FeatureMP",
230 def HasTrustZone : Predicate<"Subtarget->hasTrustZone()">,
231 AssemblerPredicate<"FeatureTrustZone",
233 def UseNEONForFP : Predicate<"Subtarget->useNEONForSinglePrecisionFP()">;
234 def DontUseNEONForFP : Predicate<"!Subtarget->useNEONForSinglePrecisionFP()">;
235 def IsThumb : Predicate<"Subtarget->isThumb()">,
236 AssemblerPredicate<"ModeThumb", "thumb">;
237 def IsThumb1Only : Predicate<"Subtarget->isThumb1Only()">;
238 def IsThumb2 : Predicate<"Subtarget->isThumb2()">,
239 AssemblerPredicate<"ModeThumb,FeatureThumb2",
241 def IsMClass : Predicate<"Subtarget->isMClass()">,
242 AssemblerPredicate<"FeatureMClass", "armv7m">;
243 def IsARClass : Predicate<"!Subtarget->isMClass()">,
244 AssemblerPredicate<"!FeatureMClass",
246 def IsARM : Predicate<"!Subtarget->isThumb()">,
247 AssemblerPredicate<"!ModeThumb", "arm-mode">;
248 def IsIOS : Predicate<"Subtarget->isTargetIOS()">;
249 def IsNotIOS : Predicate<"!Subtarget->isTargetIOS()">;
250 def IsNaCl : Predicate<"Subtarget->isTargetNaCl()">;
251 def UseNaClTrap : Predicate<"Subtarget->useNaClTrap()">,
252 AssemblerPredicate<"FeatureNaClTrap", "NaCl">;
253 def DontUseNaClTrap : Predicate<"!Subtarget->useNaClTrap()">;
255 // FIXME: Eventually this will be just "hasV6T2Ops".
256 def UseMovt : Predicate<"Subtarget->useMovt()">;
257 def DontUseMovt : Predicate<"!Subtarget->useMovt()">;
258 def UseFPVMLx : Predicate<"Subtarget->useFPVMLx()">;
259 def UseMulOps : Predicate<"Subtarget->useMulOps()">;
261 // Prefer fused MAC for fp mul + add over fp VMLA / VMLS if they are available.
262 // But only select them if more precision in FP computation is allowed.
263 // Do not use them for Darwin platforms.
264 def UseFusedMAC : Predicate<"(TM.Options.AllowFPOpFusion =="
265 " FPOpFusion::Fast) && "
266 "!Subtarget->isTargetDarwin()">;
267 def DontUseFusedMAC : Predicate<"!(TM.Options.AllowFPOpFusion =="
268 " FPOpFusion::Fast &&"
269 " Subtarget->hasVFP4()) || "
270 "Subtarget->isTargetDarwin()">;
272 // VGETLNi32 is microcoded on Swift - prefer VMOV.
273 def HasFastVGETLNi32 : Predicate<"!Subtarget->isSwift()">;
274 def HasSlowVGETLNi32 : Predicate<"Subtarget->isSwift()">;
276 // VDUP.32 is microcoded on Swift - prefer VMOV.
277 def HasFastVDUP32 : Predicate<"!Subtarget->isSwift()">;
278 def HasSlowVDUP32 : Predicate<"Subtarget->isSwift()">;
280 // Cortex-A9 prefers VMOVSR to VMOVDRR even when using NEON for scalar FP, as
281 // this allows more effective execution domain optimization. See
282 // setExecutionDomain().
283 def UseVMOVSR : Predicate<"Subtarget->isCortexA9() || !Subtarget->useNEONForSinglePrecisionFP()">;
284 def DontUseVMOVSR : Predicate<"!Subtarget->isCortexA9() && Subtarget->useNEONForSinglePrecisionFP()">;
286 def IsLE : Predicate<"getTargetLowering()->isLittleEndian()">;
287 def IsBE : Predicate<"getTargetLowering()->isBigEndian()">;
289 //===----------------------------------------------------------------------===//
290 // ARM Flag Definitions.
292 class RegConstraint<string C> {
293 string Constraints = C;
296 //===----------------------------------------------------------------------===//
297 // ARM specific transformation functions and pattern fragments.
300 // imm_neg_XFORM - Return the negation of an i32 immediate value.
301 def imm_neg_XFORM : SDNodeXForm<imm, [{
302 return CurDAG->getTargetConstant(-(int)N->getZExtValue(), MVT::i32);
305 // imm_not_XFORM - Return the complement of a i32 immediate value.
306 def imm_not_XFORM : SDNodeXForm<imm, [{
307 return CurDAG->getTargetConstant(~(int)N->getZExtValue(), MVT::i32);
310 /// imm16_31 predicate - True if the 32-bit immediate is in the range [16,31].
311 def imm16_31 : ImmLeaf<i32, [{
312 return (int32_t)Imm >= 16 && (int32_t)Imm < 32;
315 def so_imm_neg_asmoperand : AsmOperandClass { let Name = "ARMSOImmNeg"; }
316 def so_imm_neg : Operand<i32>, PatLeaf<(imm), [{
317 unsigned Value = -(unsigned)N->getZExtValue();
318 return Value && ARM_AM::getSOImmVal(Value) != -1;
320 let ParserMatchClass = so_imm_neg_asmoperand;
323 // Note: this pattern doesn't require an encoder method and such, as it's
324 // only used on aliases (Pat<> and InstAlias<>). The actual encoding
325 // is handled by the destination instructions, which use so_imm.
326 def so_imm_not_asmoperand : AsmOperandClass { let Name = "ARMSOImmNot"; }
327 def so_imm_not : Operand<i32>, PatLeaf<(imm), [{
328 return ARM_AM::getSOImmVal(~(uint32_t)N->getZExtValue()) != -1;
330 let ParserMatchClass = so_imm_not_asmoperand;
333 // sext_16_node predicate - True if the SDNode is sign-extended 16 or more bits.
334 def sext_16_node : PatLeaf<(i32 GPR:$a), [{
335 return CurDAG->ComputeNumSignBits(SDValue(N,0)) >= 17;
338 /// Split a 32-bit immediate into two 16 bit parts.
339 def hi16 : SDNodeXForm<imm, [{
340 return CurDAG->getTargetConstant((uint32_t)N->getZExtValue() >> 16, MVT::i32);
343 def lo16AllZero : PatLeaf<(i32 imm), [{
344 // Returns true if all low 16-bits are 0.
345 return (((uint32_t)N->getZExtValue()) & 0xFFFFUL) == 0;
348 class BinOpWithFlagFrag<dag res> :
349 PatFrag<(ops node:$LHS, node:$RHS, node:$FLAG), res>;
350 class BinOpFrag<dag res> : PatFrag<(ops node:$LHS, node:$RHS), res>;
351 class UnOpFrag <dag res> : PatFrag<(ops node:$Src), res>;
353 // An 'and' node with a single use.
354 def and_su : PatFrag<(ops node:$lhs, node:$rhs), (and node:$lhs, node:$rhs), [{
355 return N->hasOneUse();
358 // An 'xor' node with a single use.
359 def xor_su : PatFrag<(ops node:$lhs, node:$rhs), (xor node:$lhs, node:$rhs), [{
360 return N->hasOneUse();
363 // An 'fmul' node with a single use.
364 def fmul_su : PatFrag<(ops node:$lhs, node:$rhs), (fmul node:$lhs, node:$rhs),[{
365 return N->hasOneUse();
368 // An 'fadd' node which checks for single non-hazardous use.
369 def fadd_mlx : PatFrag<(ops node:$lhs, node:$rhs),(fadd node:$lhs, node:$rhs),[{
370 return hasNoVMLxHazardUse(N);
373 // An 'fsub' node which checks for single non-hazardous use.
374 def fsub_mlx : PatFrag<(ops node:$lhs, node:$rhs),(fsub node:$lhs, node:$rhs),[{
375 return hasNoVMLxHazardUse(N);
378 //===----------------------------------------------------------------------===//
379 // Operand Definitions.
382 // Immediate operands with a shared generic asm render method.
383 class ImmAsmOperand : AsmOperandClass { let RenderMethod = "addImmOperands"; }
386 // FIXME: rename brtarget to t2_brtarget
387 def brtarget : Operand<OtherVT> {
388 let EncoderMethod = "getBranchTargetOpValue";
389 let OperandType = "OPERAND_PCREL";
390 let DecoderMethod = "DecodeT2BROperand";
393 // FIXME: get rid of this one?
394 def uncondbrtarget : Operand<OtherVT> {
395 let EncoderMethod = "getUnconditionalBranchTargetOpValue";
396 let OperandType = "OPERAND_PCREL";
399 // Branch target for ARM. Handles conditional/unconditional
400 def br_target : Operand<OtherVT> {
401 let EncoderMethod = "getARMBranchTargetOpValue";
402 let OperandType = "OPERAND_PCREL";
406 // FIXME: rename bltarget to t2_bl_target?
407 def bltarget : Operand<i32> {
408 // Encoded the same as branch targets.
409 let EncoderMethod = "getBranchTargetOpValue";
410 let OperandType = "OPERAND_PCREL";
413 // Call target for ARM. Handles conditional/unconditional
414 // FIXME: rename bl_target to t2_bltarget?
415 def bl_target : Operand<i32> {
416 let EncoderMethod = "getARMBLTargetOpValue";
417 let OperandType = "OPERAND_PCREL";
420 def blx_target : Operand<i32> {
421 let EncoderMethod = "getARMBLXTargetOpValue";
422 let OperandType = "OPERAND_PCREL";
425 // A list of registers separated by comma. Used by load/store multiple.
426 def RegListAsmOperand : AsmOperandClass { let Name = "RegList"; }
427 def reglist : Operand<i32> {
428 let EncoderMethod = "getRegisterListOpValue";
429 let ParserMatchClass = RegListAsmOperand;
430 let PrintMethod = "printRegisterList";
431 let DecoderMethod = "DecodeRegListOperand";
434 def GPRPairOp : RegisterOperand<GPRPair, "printGPRPairOperand">;
436 def DPRRegListAsmOperand : AsmOperandClass { let Name = "DPRRegList"; }
437 def dpr_reglist : Operand<i32> {
438 let EncoderMethod = "getRegisterListOpValue";
439 let ParserMatchClass = DPRRegListAsmOperand;
440 let PrintMethod = "printRegisterList";
441 let DecoderMethod = "DecodeDPRRegListOperand";
444 def SPRRegListAsmOperand : AsmOperandClass { let Name = "SPRRegList"; }
445 def spr_reglist : Operand<i32> {
446 let EncoderMethod = "getRegisterListOpValue";
447 let ParserMatchClass = SPRRegListAsmOperand;
448 let PrintMethod = "printRegisterList";
449 let DecoderMethod = "DecodeSPRRegListOperand";
452 // An operand for the CONSTPOOL_ENTRY pseudo-instruction.
453 def cpinst_operand : Operand<i32> {
454 let PrintMethod = "printCPInstOperand";
458 def pclabel : Operand<i32> {
459 let PrintMethod = "printPCLabel";
462 // ADR instruction labels.
463 def AdrLabelAsmOperand : AsmOperandClass { let Name = "AdrLabel"; }
464 def adrlabel : Operand<i32> {
465 let EncoderMethod = "getAdrLabelOpValue";
466 let ParserMatchClass = AdrLabelAsmOperand;
467 let PrintMethod = "printAdrLabelOperand<0>";
470 def neon_vcvt_imm32 : Operand<i32> {
471 let EncoderMethod = "getNEONVcvtImm32OpValue";
472 let DecoderMethod = "DecodeVCVTImmOperand";
475 // rot_imm: An integer that encodes a rotate amount. Must be 8, 16, or 24.
476 def rot_imm_XFORM: SDNodeXForm<imm, [{
477 switch (N->getZExtValue()){
479 case 0: return CurDAG->getTargetConstant(0, MVT::i32);
480 case 8: return CurDAG->getTargetConstant(1, MVT::i32);
481 case 16: return CurDAG->getTargetConstant(2, MVT::i32);
482 case 24: return CurDAG->getTargetConstant(3, MVT::i32);
485 def RotImmAsmOperand : AsmOperandClass {
487 let ParserMethod = "parseRotImm";
489 def rot_imm : Operand<i32>, PatLeaf<(i32 imm), [{
490 int32_t v = N->getZExtValue();
491 return v == 8 || v == 16 || v == 24; }],
493 let PrintMethod = "printRotImmOperand";
494 let ParserMatchClass = RotImmAsmOperand;
497 // shift_imm: An integer that encodes a shift amount and the type of shift
498 // (asr or lsl). The 6-bit immediate encodes as:
501 // {4-0} imm5 shift amount.
502 // asr #32 encoded as imm5 == 0.
503 def ShifterImmAsmOperand : AsmOperandClass {
504 let Name = "ShifterImm";
505 let ParserMethod = "parseShifterImm";
507 def shift_imm : Operand<i32> {
508 let PrintMethod = "printShiftImmOperand";
509 let ParserMatchClass = ShifterImmAsmOperand;
512 // shifter_operand operands: so_reg_reg, so_reg_imm, and so_imm.
513 def ShiftedRegAsmOperand : AsmOperandClass { let Name = "RegShiftedReg"; }
514 def so_reg_reg : Operand<i32>, // reg reg imm
515 ComplexPattern<i32, 3, "SelectRegShifterOperand",
516 [shl, srl, sra, rotr]> {
517 let EncoderMethod = "getSORegRegOpValue";
518 let PrintMethod = "printSORegRegOperand";
519 let DecoderMethod = "DecodeSORegRegOperand";
520 let ParserMatchClass = ShiftedRegAsmOperand;
521 let MIOperandInfo = (ops GPRnopc, GPRnopc, i32imm);
524 def ShiftedImmAsmOperand : AsmOperandClass { let Name = "RegShiftedImm"; }
525 def so_reg_imm : Operand<i32>, // reg imm
526 ComplexPattern<i32, 2, "SelectImmShifterOperand",
527 [shl, srl, sra, rotr]> {
528 let EncoderMethod = "getSORegImmOpValue";
529 let PrintMethod = "printSORegImmOperand";
530 let DecoderMethod = "DecodeSORegImmOperand";
531 let ParserMatchClass = ShiftedImmAsmOperand;
532 let MIOperandInfo = (ops GPR, i32imm);
535 // FIXME: Does this need to be distinct from so_reg?
536 def shift_so_reg_reg : Operand<i32>, // reg reg imm
537 ComplexPattern<i32, 3, "SelectShiftRegShifterOperand",
538 [shl,srl,sra,rotr]> {
539 let EncoderMethod = "getSORegRegOpValue";
540 let PrintMethod = "printSORegRegOperand";
541 let DecoderMethod = "DecodeSORegRegOperand";
542 let ParserMatchClass = ShiftedRegAsmOperand;
543 let MIOperandInfo = (ops GPR, GPR, i32imm);
546 // FIXME: Does this need to be distinct from so_reg?
547 def shift_so_reg_imm : Operand<i32>, // reg reg imm
548 ComplexPattern<i32, 2, "SelectShiftImmShifterOperand",
549 [shl,srl,sra,rotr]> {
550 let EncoderMethod = "getSORegImmOpValue";
551 let PrintMethod = "printSORegImmOperand";
552 let DecoderMethod = "DecodeSORegImmOperand";
553 let ParserMatchClass = ShiftedImmAsmOperand;
554 let MIOperandInfo = (ops GPR, i32imm);
558 // so_imm - Match a 32-bit shifter_operand immediate operand, which is an
559 // 8-bit immediate rotated by an arbitrary number of bits.
560 def SOImmAsmOperand: ImmAsmOperand { let Name = "ARMSOImm"; }
561 def so_imm : Operand<i32>, ImmLeaf<i32, [{
562 return ARM_AM::getSOImmVal(Imm) != -1;
564 let EncoderMethod = "getSOImmOpValue";
565 let ParserMatchClass = SOImmAsmOperand;
566 let DecoderMethod = "DecodeSOImmOperand";
569 // Break so_imm's up into two pieces. This handles immediates with up to 16
570 // bits set in them. This uses so_imm2part to match and so_imm2part_[12] to
571 // get the first/second pieces.
572 def so_imm2part : PatLeaf<(imm), [{
573 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
576 /// arm_i32imm - True for +V6T2, or true only if so_imm2part is true.
578 def arm_i32imm : PatLeaf<(imm), [{
579 if (Subtarget->hasV6T2Ops())
581 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
584 /// imm0_1 predicate - Immediate in the range [0,1].
585 def Imm0_1AsmOperand: ImmAsmOperand { let Name = "Imm0_1"; }
586 def imm0_1 : Operand<i32> { let ParserMatchClass = Imm0_1AsmOperand; }
588 /// imm0_3 predicate - Immediate in the range [0,3].
589 def Imm0_3AsmOperand: ImmAsmOperand { let Name = "Imm0_3"; }
590 def imm0_3 : Operand<i32> { let ParserMatchClass = Imm0_3AsmOperand; }
592 /// imm0_4 predicate - Immediate in the range [0,4].
593 def Imm0_4AsmOperand : ImmAsmOperand
596 let DiagnosticType = "ImmRange0_4";
598 def imm0_4 : Operand<i32>, ImmLeaf<i32, [{ return Imm >= 0 && Imm < 5; }]> {
599 let ParserMatchClass = Imm0_4AsmOperand;
600 let DecoderMethod = "DecodeImm0_4";
603 /// imm0_7 predicate - Immediate in the range [0,7].
604 def Imm0_7AsmOperand: ImmAsmOperand { let Name = "Imm0_7"; }
605 def imm0_7 : Operand<i32>, ImmLeaf<i32, [{
606 return Imm >= 0 && Imm < 8;
608 let ParserMatchClass = Imm0_7AsmOperand;
611 /// imm8 predicate - Immediate is exactly 8.
612 def Imm8AsmOperand: ImmAsmOperand { let Name = "Imm8"; }
613 def imm8 : Operand<i32>, ImmLeaf<i32, [{ return Imm == 8; }]> {
614 let ParserMatchClass = Imm8AsmOperand;
617 /// imm16 predicate - Immediate is exactly 16.
618 def Imm16AsmOperand: ImmAsmOperand { let Name = "Imm16"; }
619 def imm16 : Operand<i32>, ImmLeaf<i32, [{ return Imm == 16; }]> {
620 let ParserMatchClass = Imm16AsmOperand;
623 /// imm32 predicate - Immediate is exactly 32.
624 def Imm32AsmOperand: ImmAsmOperand { let Name = "Imm32"; }
625 def imm32 : Operand<i32>, ImmLeaf<i32, [{ return Imm == 32; }]> {
626 let ParserMatchClass = Imm32AsmOperand;
629 /// imm1_7 predicate - Immediate in the range [1,7].
630 def Imm1_7AsmOperand: ImmAsmOperand { let Name = "Imm1_7"; }
631 def imm1_7 : Operand<i32>, ImmLeaf<i32, [{ return Imm > 0 && Imm < 8; }]> {
632 let ParserMatchClass = Imm1_7AsmOperand;
635 /// imm1_15 predicate - Immediate in the range [1,15].
636 def Imm1_15AsmOperand: ImmAsmOperand { let Name = "Imm1_15"; }
637 def imm1_15 : Operand<i32>, ImmLeaf<i32, [{ return Imm > 0 && Imm < 16; }]> {
638 let ParserMatchClass = Imm1_15AsmOperand;
641 /// imm1_31 predicate - Immediate in the range [1,31].
642 def Imm1_31AsmOperand: ImmAsmOperand { let Name = "Imm1_31"; }
643 def imm1_31 : Operand<i32>, ImmLeaf<i32, [{ return Imm > 0 && Imm < 32; }]> {
644 let ParserMatchClass = Imm1_31AsmOperand;
647 /// imm0_15 predicate - Immediate in the range [0,15].
648 def Imm0_15AsmOperand: ImmAsmOperand {
649 let Name = "Imm0_15";
650 let DiagnosticType = "ImmRange0_15";
652 def imm0_15 : Operand<i32>, ImmLeaf<i32, [{
653 return Imm >= 0 && Imm < 16;
655 let ParserMatchClass = Imm0_15AsmOperand;
658 /// imm0_31 predicate - True if the 32-bit immediate is in the range [0,31].
659 def Imm0_31AsmOperand: ImmAsmOperand { let Name = "Imm0_31"; }
660 def imm0_31 : Operand<i32>, ImmLeaf<i32, [{
661 return Imm >= 0 && Imm < 32;
663 let ParserMatchClass = Imm0_31AsmOperand;
666 /// imm0_32 predicate - True if the 32-bit immediate is in the range [0,32].
667 def Imm0_32AsmOperand: ImmAsmOperand { let Name = "Imm0_32"; }
668 def imm0_32 : Operand<i32>, ImmLeaf<i32, [{
669 return Imm >= 0 && Imm < 32;
671 let ParserMatchClass = Imm0_32AsmOperand;
674 /// imm0_63 predicate - True if the 32-bit immediate is in the range [0,63].
675 def Imm0_63AsmOperand: ImmAsmOperand { let Name = "Imm0_63"; }
676 def imm0_63 : Operand<i32>, ImmLeaf<i32, [{
677 return Imm >= 0 && Imm < 64;
679 let ParserMatchClass = Imm0_63AsmOperand;
682 /// imm0_255 predicate - Immediate in the range [0,255].
683 def Imm0_255AsmOperand : ImmAsmOperand { let Name = "Imm0_255"; }
684 def imm0_255 : Operand<i32>, ImmLeaf<i32, [{ return Imm >= 0 && Imm < 256; }]> {
685 let ParserMatchClass = Imm0_255AsmOperand;
688 /// imm0_65535 - An immediate is in the range [0.65535].
689 def Imm0_65535AsmOperand: ImmAsmOperand { let Name = "Imm0_65535"; }
690 def imm0_65535 : Operand<i32>, ImmLeaf<i32, [{
691 return Imm >= 0 && Imm < 65536;
693 let ParserMatchClass = Imm0_65535AsmOperand;
696 // imm0_65535_neg - An immediate whose negative value is in the range [0.65535].
697 def imm0_65535_neg : Operand<i32>, ImmLeaf<i32, [{
698 return -Imm >= 0 && -Imm < 65536;
701 // imm0_65535_expr - For movt/movw - 16-bit immediate that can also reference
702 // a relocatable expression.
704 // FIXME: This really needs a Thumb version separate from the ARM version.
705 // While the range is the same, and can thus use the same match class,
706 // the encoding is different so it should have a different encoder method.
707 def Imm0_65535ExprAsmOperand: ImmAsmOperand { let Name = "Imm0_65535Expr"; }
708 def imm0_65535_expr : Operand<i32> {
709 let EncoderMethod = "getHiLo16ImmOpValue";
710 let ParserMatchClass = Imm0_65535ExprAsmOperand;
713 def Imm256_65535ExprAsmOperand: ImmAsmOperand { let Name = "Imm256_65535Expr"; }
714 def imm256_65535_expr : Operand<i32> {
715 let ParserMatchClass = Imm256_65535ExprAsmOperand;
718 /// imm24b - True if the 32-bit immediate is encodable in 24 bits.
719 def Imm24bitAsmOperand: ImmAsmOperand { let Name = "Imm24bit"; }
720 def imm24b : Operand<i32>, ImmLeaf<i32, [{
721 return Imm >= 0 && Imm <= 0xffffff;
723 let ParserMatchClass = Imm24bitAsmOperand;
727 /// bf_inv_mask_imm predicate - An AND mask to clear an arbitrary width bitfield
729 def BitfieldAsmOperand : AsmOperandClass {
730 let Name = "Bitfield";
731 let ParserMethod = "parseBitfield";
734 def bf_inv_mask_imm : Operand<i32>,
736 return ARM::isBitFieldInvertedMask(N->getZExtValue());
738 let EncoderMethod = "getBitfieldInvertedMaskOpValue";
739 let PrintMethod = "printBitfieldInvMaskImmOperand";
740 let DecoderMethod = "DecodeBitfieldMaskOperand";
741 let ParserMatchClass = BitfieldAsmOperand;
744 def imm1_32_XFORM: SDNodeXForm<imm, [{
745 return CurDAG->getTargetConstant((int)N->getZExtValue() - 1, MVT::i32);
747 def Imm1_32AsmOperand: AsmOperandClass { let Name = "Imm1_32"; }
748 def imm1_32 : Operand<i32>, PatLeaf<(imm), [{
749 uint64_t Imm = N->getZExtValue();
750 return Imm > 0 && Imm <= 32;
753 let PrintMethod = "printImmPlusOneOperand";
754 let ParserMatchClass = Imm1_32AsmOperand;
757 def imm1_16_XFORM: SDNodeXForm<imm, [{
758 return CurDAG->getTargetConstant((int)N->getZExtValue() - 1, MVT::i32);
760 def Imm1_16AsmOperand: AsmOperandClass { let Name = "Imm1_16"; }
761 def imm1_16 : Operand<i32>, PatLeaf<(imm), [{ return Imm > 0 && Imm <= 16; }],
763 let PrintMethod = "printImmPlusOneOperand";
764 let ParserMatchClass = Imm1_16AsmOperand;
767 // Define ARM specific addressing modes.
768 // addrmode_imm12 := reg +/- imm12
770 def MemImm12OffsetAsmOperand : AsmOperandClass { let Name = "MemImm12Offset"; }
771 class AddrMode_Imm12 : Operand<i32>,
772 ComplexPattern<i32, 2, "SelectAddrModeImm12", []> {
773 // 12-bit immediate operand. Note that instructions using this encode
774 // #0 and #-0 differently. We flag #-0 as the magic value INT32_MIN. All other
775 // immediate values are as normal.
777 let EncoderMethod = "getAddrModeImm12OpValue";
778 let DecoderMethod = "DecodeAddrModeImm12Operand";
779 let ParserMatchClass = MemImm12OffsetAsmOperand;
780 let MIOperandInfo = (ops GPR:$base, i32imm:$offsimm);
783 def addrmode_imm12 : AddrMode_Imm12 {
784 let PrintMethod = "printAddrModeImm12Operand<false>";
787 def addrmode_imm12_pre : AddrMode_Imm12 {
788 let PrintMethod = "printAddrModeImm12Operand<true>";
791 // ldst_so_reg := reg +/- reg shop imm
793 def MemRegOffsetAsmOperand : AsmOperandClass { let Name = "MemRegOffset"; }
794 def ldst_so_reg : Operand<i32>,
795 ComplexPattern<i32, 3, "SelectLdStSOReg", []> {
796 let EncoderMethod = "getLdStSORegOpValue";
797 // FIXME: Simplify the printer
798 let PrintMethod = "printAddrMode2Operand";
799 let DecoderMethod = "DecodeSORegMemOperand";
800 let ParserMatchClass = MemRegOffsetAsmOperand;
801 let MIOperandInfo = (ops GPR:$base, GPRnopc:$offsreg, i32imm:$shift);
804 // postidx_imm8 := +/- [0,255]
807 // {8} 1 is imm8 is non-negative. 0 otherwise.
808 // {7-0} [0,255] imm8 value.
809 def PostIdxImm8AsmOperand : AsmOperandClass { let Name = "PostIdxImm8"; }
810 def postidx_imm8 : Operand<i32> {
811 let PrintMethod = "printPostIdxImm8Operand";
812 let ParserMatchClass = PostIdxImm8AsmOperand;
813 let MIOperandInfo = (ops i32imm);
816 // postidx_imm8s4 := +/- [0,1020]
819 // {8} 1 is imm8 is non-negative. 0 otherwise.
820 // {7-0} [0,255] imm8 value, scaled by 4.
821 def PostIdxImm8s4AsmOperand : AsmOperandClass { let Name = "PostIdxImm8s4"; }
822 def postidx_imm8s4 : Operand<i32> {
823 let PrintMethod = "printPostIdxImm8s4Operand";
824 let ParserMatchClass = PostIdxImm8s4AsmOperand;
825 let MIOperandInfo = (ops i32imm);
829 // postidx_reg := +/- reg
831 def PostIdxRegAsmOperand : AsmOperandClass {
832 let Name = "PostIdxReg";
833 let ParserMethod = "parsePostIdxReg";
835 def postidx_reg : Operand<i32> {
836 let EncoderMethod = "getPostIdxRegOpValue";
837 let DecoderMethod = "DecodePostIdxReg";
838 let PrintMethod = "printPostIdxRegOperand";
839 let ParserMatchClass = PostIdxRegAsmOperand;
840 let MIOperandInfo = (ops GPRnopc, i32imm);
844 // addrmode2 := reg +/- imm12
845 // := reg +/- reg shop imm
847 // FIXME: addrmode2 should be refactored the rest of the way to always
848 // use explicit imm vs. reg versions above (addrmode_imm12 and ldst_so_reg).
849 def AddrMode2AsmOperand : AsmOperandClass { let Name = "AddrMode2"; }
850 def addrmode2 : Operand<i32>,
851 ComplexPattern<i32, 3, "SelectAddrMode2", []> {
852 let EncoderMethod = "getAddrMode2OpValue";
853 let PrintMethod = "printAddrMode2Operand";
854 let ParserMatchClass = AddrMode2AsmOperand;
855 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
858 def PostIdxRegShiftedAsmOperand : AsmOperandClass {
859 let Name = "PostIdxRegShifted";
860 let ParserMethod = "parsePostIdxReg";
862 def am2offset_reg : Operand<i32>,
863 ComplexPattern<i32, 2, "SelectAddrMode2OffsetReg",
864 [], [SDNPWantRoot]> {
865 let EncoderMethod = "getAddrMode2OffsetOpValue";
866 let PrintMethod = "printAddrMode2OffsetOperand";
867 // When using this for assembly, it's always as a post-index offset.
868 let ParserMatchClass = PostIdxRegShiftedAsmOperand;
869 let MIOperandInfo = (ops GPRnopc, i32imm);
872 // FIXME: am2offset_imm should only need the immediate, not the GPR. Having
873 // the GPR is purely vestigal at this point.
874 def AM2OffsetImmAsmOperand : AsmOperandClass { let Name = "AM2OffsetImm"; }
875 def am2offset_imm : Operand<i32>,
876 ComplexPattern<i32, 2, "SelectAddrMode2OffsetImm",
877 [], [SDNPWantRoot]> {
878 let EncoderMethod = "getAddrMode2OffsetOpValue";
879 let PrintMethod = "printAddrMode2OffsetOperand";
880 let ParserMatchClass = AM2OffsetImmAsmOperand;
881 let MIOperandInfo = (ops GPRnopc, i32imm);
885 // addrmode3 := reg +/- reg
886 // addrmode3 := reg +/- imm8
888 // FIXME: split into imm vs. reg versions.
889 def AddrMode3AsmOperand : AsmOperandClass { let Name = "AddrMode3"; }
890 class AddrMode3 : Operand<i32>,
891 ComplexPattern<i32, 3, "SelectAddrMode3", []> {
892 let EncoderMethod = "getAddrMode3OpValue";
893 let ParserMatchClass = AddrMode3AsmOperand;
894 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
897 def addrmode3 : AddrMode3
899 let PrintMethod = "printAddrMode3Operand<false>";
902 def addrmode3_pre : AddrMode3
904 let PrintMethod = "printAddrMode3Operand<true>";
907 // FIXME: split into imm vs. reg versions.
908 // FIXME: parser method to handle +/- register.
909 def AM3OffsetAsmOperand : AsmOperandClass {
910 let Name = "AM3Offset";
911 let ParserMethod = "parseAM3Offset";
913 def am3offset : Operand<i32>,
914 ComplexPattern<i32, 2, "SelectAddrMode3Offset",
915 [], [SDNPWantRoot]> {
916 let EncoderMethod = "getAddrMode3OffsetOpValue";
917 let PrintMethod = "printAddrMode3OffsetOperand";
918 let ParserMatchClass = AM3OffsetAsmOperand;
919 let MIOperandInfo = (ops GPR, i32imm);
922 // ldstm_mode := {ia, ib, da, db}
924 def ldstm_mode : OptionalDefOperand<OtherVT, (ops i32), (ops (i32 1))> {
925 let EncoderMethod = "getLdStmModeOpValue";
926 let PrintMethod = "printLdStmModeOperand";
929 // addrmode5 := reg +/- imm8*4
931 def AddrMode5AsmOperand : AsmOperandClass { let Name = "AddrMode5"; }
932 class AddrMode5 : Operand<i32>,
933 ComplexPattern<i32, 2, "SelectAddrMode5", []> {
934 let EncoderMethod = "getAddrMode5OpValue";
935 let DecoderMethod = "DecodeAddrMode5Operand";
936 let ParserMatchClass = AddrMode5AsmOperand;
937 let MIOperandInfo = (ops GPR:$base, i32imm);
940 def addrmode5 : AddrMode5 {
941 let PrintMethod = "printAddrMode5Operand<false>";
944 def addrmode5_pre : AddrMode5 {
945 let PrintMethod = "printAddrMode5Operand<true>";
948 // addrmode6 := reg with optional alignment
950 def AddrMode6AsmOperand : AsmOperandClass { let Name = "AlignedMemory"; }
951 def addrmode6 : Operand<i32>,
952 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
953 let PrintMethod = "printAddrMode6Operand";
954 let MIOperandInfo = (ops GPR:$addr, i32imm:$align);
955 let EncoderMethod = "getAddrMode6AddressOpValue";
956 let DecoderMethod = "DecodeAddrMode6Operand";
957 let ParserMatchClass = AddrMode6AsmOperand;
960 def am6offset : Operand<i32>,
961 ComplexPattern<i32, 1, "SelectAddrMode6Offset",
962 [], [SDNPWantRoot]> {
963 let PrintMethod = "printAddrMode6OffsetOperand";
964 let MIOperandInfo = (ops GPR);
965 let EncoderMethod = "getAddrMode6OffsetOpValue";
966 let DecoderMethod = "DecodeGPRRegisterClass";
969 // Special version of addrmode6 to handle alignment encoding for VST1/VLD1
970 // (single element from one lane) for size 32.
971 def addrmode6oneL32 : Operand<i32>,
972 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
973 let PrintMethod = "printAddrMode6Operand";
974 let MIOperandInfo = (ops GPR:$addr, i32imm);
975 let EncoderMethod = "getAddrMode6OneLane32AddressOpValue";
978 // Special version of addrmode6 to handle alignment encoding for VLD-dup
979 // instructions, specifically VLD4-dup.
980 def addrmode6dup : Operand<i32>,
981 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
982 let PrintMethod = "printAddrMode6Operand";
983 let MIOperandInfo = (ops GPR:$addr, i32imm);
984 let EncoderMethod = "getAddrMode6DupAddressOpValue";
985 // FIXME: This is close, but not quite right. The alignment specifier is
987 let ParserMatchClass = AddrMode6AsmOperand;
990 // addrmodepc := pc + reg
992 def addrmodepc : Operand<i32>,
993 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
994 let PrintMethod = "printAddrModePCOperand";
995 let MIOperandInfo = (ops GPR, i32imm);
998 // addr_offset_none := reg
1000 def MemNoOffsetAsmOperand : AsmOperandClass { let Name = "MemNoOffset"; }
1001 def addr_offset_none : Operand<i32>,
1002 ComplexPattern<i32, 1, "SelectAddrOffsetNone", []> {
1003 let PrintMethod = "printAddrMode7Operand";
1004 let DecoderMethod = "DecodeAddrMode7Operand";
1005 let ParserMatchClass = MemNoOffsetAsmOperand;
1006 let MIOperandInfo = (ops GPR:$base);
1009 def nohash_imm : Operand<i32> {
1010 let PrintMethod = "printNoHashImmediate";
1013 def CoprocNumAsmOperand : AsmOperandClass {
1014 let Name = "CoprocNum";
1015 let ParserMethod = "parseCoprocNumOperand";
1017 def p_imm : Operand<i32> {
1018 let PrintMethod = "printPImmediate";
1019 let ParserMatchClass = CoprocNumAsmOperand;
1020 let DecoderMethod = "DecodeCoprocessor";
1023 def CoprocRegAsmOperand : AsmOperandClass {
1024 let Name = "CoprocReg";
1025 let ParserMethod = "parseCoprocRegOperand";
1027 def c_imm : Operand<i32> {
1028 let PrintMethod = "printCImmediate";
1029 let ParserMatchClass = CoprocRegAsmOperand;
1031 def CoprocOptionAsmOperand : AsmOperandClass {
1032 let Name = "CoprocOption";
1033 let ParserMethod = "parseCoprocOptionOperand";
1035 def coproc_option_imm : Operand<i32> {
1036 let PrintMethod = "printCoprocOptionImm";
1037 let ParserMatchClass = CoprocOptionAsmOperand;
1040 //===----------------------------------------------------------------------===//
1042 include "ARMInstrFormats.td"
1044 //===----------------------------------------------------------------------===//
1045 // Multiclass helpers...
1048 /// AsI1_bin_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns for a
1049 /// binop that produces a value.
1050 let TwoOperandAliasConstraint = "$Rn = $Rd" in
1051 multiclass AsI1_bin_irs<bits<4> opcod, string opc,
1052 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
1053 PatFrag opnode, bit Commutable = 0> {
1054 // The register-immediate version is re-materializable. This is useful
1055 // in particular for taking the address of a local.
1056 let isReMaterializable = 1 in {
1057 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
1058 iii, opc, "\t$Rd, $Rn, $imm",
1059 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>,
1060 Sched<[WriteALU, ReadALU]> {
1065 let Inst{19-16} = Rn;
1066 let Inst{15-12} = Rd;
1067 let Inst{11-0} = imm;
1070 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
1071 iir, opc, "\t$Rd, $Rn, $Rm",
1072 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
1073 Sched<[WriteALU, ReadALU, ReadALU]> {
1078 let isCommutable = Commutable;
1079 let Inst{19-16} = Rn;
1080 let Inst{15-12} = Rd;
1081 let Inst{11-4} = 0b00000000;
1085 def rsi : AsI1<opcod, (outs GPR:$Rd),
1086 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm,
1087 iis, opc, "\t$Rd, $Rn, $shift",
1088 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_imm:$shift))]>,
1089 Sched<[WriteALUsi, ReadALU]> {
1094 let Inst{19-16} = Rn;
1095 let Inst{15-12} = Rd;
1096 let Inst{11-5} = shift{11-5};
1098 let Inst{3-0} = shift{3-0};
1101 def rsr : AsI1<opcod, (outs GPR:$Rd),
1102 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm,
1103 iis, opc, "\t$Rd, $Rn, $shift",
1104 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_reg:$shift))]>,
1105 Sched<[WriteALUsr, ReadALUsr]> {
1110 let Inst{19-16} = Rn;
1111 let Inst{15-12} = Rd;
1112 let Inst{11-8} = shift{11-8};
1114 let Inst{6-5} = shift{6-5};
1116 let Inst{3-0} = shift{3-0};
1120 /// AsI1_rbin_irs - Same as AsI1_bin_irs except the order of operands are
1121 /// reversed. The 'rr' form is only defined for the disassembler; for codegen
1122 /// it is equivalent to the AsI1_bin_irs counterpart.
1123 let TwoOperandAliasConstraint = "$Rn = $Rd" in
1124 multiclass AsI1_rbin_irs<bits<4> opcod, string opc,
1125 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
1126 PatFrag opnode, bit Commutable = 0> {
1127 // The register-immediate version is re-materializable. This is useful
1128 // in particular for taking the address of a local.
1129 let isReMaterializable = 1 in {
1130 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
1131 iii, opc, "\t$Rd, $Rn, $imm",
1132 [(set GPR:$Rd, (opnode so_imm:$imm, GPR:$Rn))]>,
1133 Sched<[WriteALU, ReadALU]> {
1138 let Inst{19-16} = Rn;
1139 let Inst{15-12} = Rd;
1140 let Inst{11-0} = imm;
1143 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
1144 iir, opc, "\t$Rd, $Rn, $Rm",
1145 [/* pattern left blank */]>,
1146 Sched<[WriteALU, ReadALU, ReadALU]> {
1150 let Inst{11-4} = 0b00000000;
1153 let Inst{15-12} = Rd;
1154 let Inst{19-16} = Rn;
1157 def rsi : AsI1<opcod, (outs GPR:$Rd),
1158 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm,
1159 iis, opc, "\t$Rd, $Rn, $shift",
1160 [(set GPR:$Rd, (opnode so_reg_imm:$shift, GPR:$Rn))]>,
1161 Sched<[WriteALUsi, ReadALU]> {
1166 let Inst{19-16} = Rn;
1167 let Inst{15-12} = Rd;
1168 let Inst{11-5} = shift{11-5};
1170 let Inst{3-0} = shift{3-0};
1173 def rsr : AsI1<opcod, (outs GPR:$Rd),
1174 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm,
1175 iis, opc, "\t$Rd, $Rn, $shift",
1176 [(set GPR:$Rd, (opnode so_reg_reg:$shift, GPR:$Rn))]>,
1177 Sched<[WriteALUsr, ReadALUsr]> {
1182 let Inst{19-16} = Rn;
1183 let Inst{15-12} = Rd;
1184 let Inst{11-8} = shift{11-8};
1186 let Inst{6-5} = shift{6-5};
1188 let Inst{3-0} = shift{3-0};
1192 /// AsI1_bin_s_irs - Same as AsI1_bin_irs except it sets the 's' bit by default.
1194 /// These opcodes will be converted to the real non-S opcodes by
1195 /// AdjustInstrPostInstrSelection after giving them an optional CPSR operand.
1196 let hasPostISelHook = 1, Defs = [CPSR] in {
1197 multiclass AsI1_bin_s_irs<InstrItinClass iii, InstrItinClass iir,
1198 InstrItinClass iis, PatFrag opnode,
1199 bit Commutable = 0> {
1200 def ri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm, pred:$p),
1202 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, so_imm:$imm))]>,
1203 Sched<[WriteALU, ReadALU]>;
1205 def rr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, pred:$p),
1207 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, GPR:$Rm))]>,
1208 Sched<[WriteALU, ReadALU, ReadALU]> {
1209 let isCommutable = Commutable;
1211 def rsi : ARMPseudoInst<(outs GPR:$Rd),
1212 (ins GPR:$Rn, so_reg_imm:$shift, pred:$p),
1214 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn,
1215 so_reg_imm:$shift))]>,
1216 Sched<[WriteALUsi, ReadALU]>;
1218 def rsr : ARMPseudoInst<(outs GPR:$Rd),
1219 (ins GPR:$Rn, so_reg_reg:$shift, pred:$p),
1221 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn,
1222 so_reg_reg:$shift))]>,
1223 Sched<[WriteALUSsr, ReadALUsr]>;
1227 /// AsI1_rbin_s_is - Same as AsI1_bin_s_irs, except selection DAG
1228 /// operands are reversed.
1229 let hasPostISelHook = 1, Defs = [CPSR] in {
1230 multiclass AsI1_rbin_s_is<InstrItinClass iii, InstrItinClass iir,
1231 InstrItinClass iis, PatFrag opnode,
1232 bit Commutable = 0> {
1233 def ri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm, pred:$p),
1235 [(set GPR:$Rd, CPSR, (opnode so_imm:$imm, GPR:$Rn))]>,
1236 Sched<[WriteALU, ReadALU]>;
1238 def rsi : ARMPseudoInst<(outs GPR:$Rd),
1239 (ins GPR:$Rn, so_reg_imm:$shift, pred:$p),
1241 [(set GPR:$Rd, CPSR, (opnode so_reg_imm:$shift,
1243 Sched<[WriteALUsi, ReadALU]>;
1245 def rsr : ARMPseudoInst<(outs GPR:$Rd),
1246 (ins GPR:$Rn, so_reg_reg:$shift, pred:$p),
1248 [(set GPR:$Rd, CPSR, (opnode so_reg_reg:$shift,
1250 Sched<[WriteALUSsr, ReadALUsr]>;
1254 /// AI1_cmp_irs - Defines a set of (op r, {so_imm|r|so_reg}) cmp / test
1255 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
1256 /// a explicit result, only implicitly set CPSR.
1257 let isCompare = 1, Defs = [CPSR] in {
1258 multiclass AI1_cmp_irs<bits<4> opcod, string opc,
1259 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
1260 PatFrag opnode, bit Commutable = 0> {
1261 def ri : AI1<opcod, (outs), (ins GPR:$Rn, so_imm:$imm), DPFrm, iii,
1263 [(opnode GPR:$Rn, so_imm:$imm)]>,
1264 Sched<[WriteCMP, ReadALU]> {
1269 let Inst{19-16} = Rn;
1270 let Inst{15-12} = 0b0000;
1271 let Inst{11-0} = imm;
1273 let Unpredictable{15-12} = 0b1111;
1275 def rr : AI1<opcod, (outs), (ins GPR:$Rn, GPR:$Rm), DPFrm, iir,
1277 [(opnode GPR:$Rn, GPR:$Rm)]>,
1278 Sched<[WriteCMP, ReadALU, ReadALU]> {
1281 let isCommutable = Commutable;
1284 let Inst{19-16} = Rn;
1285 let Inst{15-12} = 0b0000;
1286 let Inst{11-4} = 0b00000000;
1289 let Unpredictable{15-12} = 0b1111;
1291 def rsi : AI1<opcod, (outs),
1292 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm, iis,
1293 opc, "\t$Rn, $shift",
1294 [(opnode GPR:$Rn, so_reg_imm:$shift)]>,
1295 Sched<[WriteCMPsi, ReadALU]> {
1300 let Inst{19-16} = Rn;
1301 let Inst{15-12} = 0b0000;
1302 let Inst{11-5} = shift{11-5};
1304 let Inst{3-0} = shift{3-0};
1306 let Unpredictable{15-12} = 0b1111;
1308 def rsr : AI1<opcod, (outs),
1309 (ins GPRnopc:$Rn, so_reg_reg:$shift), DPSoRegRegFrm, iis,
1310 opc, "\t$Rn, $shift",
1311 [(opnode GPRnopc:$Rn, so_reg_reg:$shift)]>,
1312 Sched<[WriteCMPsr, ReadALU]> {
1317 let Inst{19-16} = Rn;
1318 let Inst{15-12} = 0b0000;
1319 let Inst{11-8} = shift{11-8};
1321 let Inst{6-5} = shift{6-5};
1323 let Inst{3-0} = shift{3-0};
1325 let Unpredictable{15-12} = 0b1111;
1331 /// AI_ext_rrot - A unary operation with two forms: one whose operand is a
1332 /// register and one whose operand is a register rotated by 8/16/24.
1333 /// FIXME: Remove the 'r' variant. Its rot_imm is zero.
1334 class AI_ext_rrot<bits<8> opcod, string opc, PatFrag opnode>
1335 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPRnopc:$Rm, rot_imm:$rot),
1336 IIC_iEXTr, opc, "\t$Rd, $Rm$rot",
1337 [(set GPRnopc:$Rd, (opnode (rotr GPRnopc:$Rm, rot_imm:$rot)))]>,
1338 Requires<[IsARM, HasV6]>, Sched<[WriteALUsi]> {
1342 let Inst{19-16} = 0b1111;
1343 let Inst{15-12} = Rd;
1344 let Inst{11-10} = rot;
1348 class AI_ext_rrot_np<bits<8> opcod, string opc>
1349 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPRnopc:$Rm, rot_imm:$rot),
1350 IIC_iEXTr, opc, "\t$Rd, $Rm$rot", []>,
1351 Requires<[IsARM, HasV6]>, Sched<[WriteALUsi]> {
1353 let Inst{19-16} = 0b1111;
1354 let Inst{11-10} = rot;
1357 /// AI_exta_rrot - A binary operation with two forms: one whose operand is a
1358 /// register and one whose operand is a register rotated by 8/16/24.
1359 class AI_exta_rrot<bits<8> opcod, string opc, PatFrag opnode>
1360 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPR:$Rn, GPRnopc:$Rm, rot_imm:$rot),
1361 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm$rot",
1362 [(set GPRnopc:$Rd, (opnode GPR:$Rn,
1363 (rotr GPRnopc:$Rm, rot_imm:$rot)))]>,
1364 Requires<[IsARM, HasV6]>, Sched<[WriteALUsr]> {
1369 let Inst{19-16} = Rn;
1370 let Inst{15-12} = Rd;
1371 let Inst{11-10} = rot;
1372 let Inst{9-4} = 0b000111;
1376 class AI_exta_rrot_np<bits<8> opcod, string opc>
1377 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPR:$Rn, GPRnopc:$Rm, rot_imm:$rot),
1378 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm$rot", []>,
1379 Requires<[IsARM, HasV6]>, Sched<[WriteALUsr]> {
1382 let Inst{19-16} = Rn;
1383 let Inst{11-10} = rot;
1386 /// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
1387 let TwoOperandAliasConstraint = "$Rn = $Rd" in
1388 multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode,
1389 bit Commutable = 0> {
1390 let hasPostISelHook = 1, Defs = [CPSR], Uses = [CPSR] in {
1391 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
1392 DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
1393 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, so_imm:$imm, CPSR))]>,
1395 Sched<[WriteALU, ReadALU]> {
1400 let Inst{15-12} = Rd;
1401 let Inst{19-16} = Rn;
1402 let Inst{11-0} = imm;
1404 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
1405 DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
1406 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, GPR:$Rm, CPSR))]>,
1408 Sched<[WriteALU, ReadALU, ReadALU]> {
1412 let Inst{11-4} = 0b00000000;
1414 let isCommutable = Commutable;
1416 let Inst{15-12} = Rd;
1417 let Inst{19-16} = Rn;
1419 def rsi : AsI1<opcod, (outs GPR:$Rd),
1420 (ins GPR:$Rn, so_reg_imm:$shift),
1421 DPSoRegImmFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1422 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, so_reg_imm:$shift, CPSR))]>,
1424 Sched<[WriteALUsi, ReadALU]> {
1429 let Inst{19-16} = Rn;
1430 let Inst{15-12} = Rd;
1431 let Inst{11-5} = shift{11-5};
1433 let Inst{3-0} = shift{3-0};
1435 def rsr : AsI1<opcod, (outs GPRnopc:$Rd),
1436 (ins GPRnopc:$Rn, so_reg_reg:$shift),
1437 DPSoRegRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1438 [(set GPRnopc:$Rd, CPSR,
1439 (opnode GPRnopc:$Rn, so_reg_reg:$shift, CPSR))]>,
1441 Sched<[WriteALUsr, ReadALUsr]> {
1446 let Inst{19-16} = Rn;
1447 let Inst{15-12} = Rd;
1448 let Inst{11-8} = shift{11-8};
1450 let Inst{6-5} = shift{6-5};
1452 let Inst{3-0} = shift{3-0};
1457 /// AI1_rsc_irs - Define instructions and patterns for rsc
1458 let TwoOperandAliasConstraint = "$Rn = $Rd" in
1459 multiclass AI1_rsc_irs<bits<4> opcod, string opc, PatFrag opnode> {
1460 let hasPostISelHook = 1, Defs = [CPSR], Uses = [CPSR] in {
1461 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
1462 DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
1463 [(set GPR:$Rd, CPSR, (opnode so_imm:$imm, GPR:$Rn, CPSR))]>,
1465 Sched<[WriteALU, ReadALU]> {
1470 let Inst{15-12} = Rd;
1471 let Inst{19-16} = Rn;
1472 let Inst{11-0} = imm;
1474 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
1475 DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
1476 [/* pattern left blank */]>,
1477 Sched<[WriteALU, ReadALU, ReadALU]> {
1481 let Inst{11-4} = 0b00000000;
1484 let Inst{15-12} = Rd;
1485 let Inst{19-16} = Rn;
1487 def rsi : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_imm:$shift),
1488 DPSoRegImmFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1489 [(set GPR:$Rd, CPSR, (opnode so_reg_imm:$shift, GPR:$Rn, CPSR))]>,
1491 Sched<[WriteALUsi, ReadALU]> {
1496 let Inst{19-16} = Rn;
1497 let Inst{15-12} = Rd;
1498 let Inst{11-5} = shift{11-5};
1500 let Inst{3-0} = shift{3-0};
1502 def rsr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_reg:$shift),
1503 DPSoRegRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1504 [(set GPR:$Rd, CPSR, (opnode so_reg_reg:$shift, GPR:$Rn, CPSR))]>,
1506 Sched<[WriteALUsr, ReadALUsr]> {
1511 let Inst{19-16} = Rn;
1512 let Inst{15-12} = Rd;
1513 let Inst{11-8} = shift{11-8};
1515 let Inst{6-5} = shift{6-5};
1517 let Inst{3-0} = shift{3-0};
1522 let canFoldAsLoad = 1, isReMaterializable = 1 in {
1523 multiclass AI_ldr1<bit isByte, string opc, InstrItinClass iii,
1524 InstrItinClass iir, PatFrag opnode> {
1525 // Note: We use the complex addrmode_imm12 rather than just an input
1526 // GPR and a constrained immediate so that we can use this to match
1527 // frame index references and avoid matching constant pool references.
1528 def i12: AI2ldst<0b010, 1, isByte, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
1529 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
1530 [(set GPR:$Rt, (opnode addrmode_imm12:$addr))]> {
1533 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1534 let Inst{19-16} = addr{16-13}; // Rn
1535 let Inst{15-12} = Rt;
1536 let Inst{11-0} = addr{11-0}; // imm12
1538 def rs : AI2ldst<0b011, 1, isByte, (outs GPR:$Rt), (ins ldst_so_reg:$shift),
1539 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
1540 [(set GPR:$Rt, (opnode ldst_so_reg:$shift))]> {
1543 let shift{4} = 0; // Inst{4} = 0
1544 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1545 let Inst{19-16} = shift{16-13}; // Rn
1546 let Inst{15-12} = Rt;
1547 let Inst{11-0} = shift{11-0};
1552 let canFoldAsLoad = 1, isReMaterializable = 1 in {
1553 multiclass AI_ldr1nopc<bit isByte, string opc, InstrItinClass iii,
1554 InstrItinClass iir, PatFrag opnode> {
1555 // Note: We use the complex addrmode_imm12 rather than just an input
1556 // GPR and a constrained immediate so that we can use this to match
1557 // frame index references and avoid matching constant pool references.
1558 def i12: AI2ldst<0b010, 1, isByte, (outs GPRnopc:$Rt),
1559 (ins addrmode_imm12:$addr),
1560 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
1561 [(set GPRnopc:$Rt, (opnode addrmode_imm12:$addr))]> {
1564 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1565 let Inst{19-16} = addr{16-13}; // Rn
1566 let Inst{15-12} = Rt;
1567 let Inst{11-0} = addr{11-0}; // imm12
1569 def rs : AI2ldst<0b011, 1, isByte, (outs GPRnopc:$Rt),
1570 (ins ldst_so_reg:$shift),
1571 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
1572 [(set GPRnopc:$Rt, (opnode ldst_so_reg:$shift))]> {
1575 let shift{4} = 0; // Inst{4} = 0
1576 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1577 let Inst{19-16} = shift{16-13}; // Rn
1578 let Inst{15-12} = Rt;
1579 let Inst{11-0} = shift{11-0};
1585 multiclass AI_str1<bit isByte, string opc, InstrItinClass iii,
1586 InstrItinClass iir, PatFrag opnode> {
1587 // Note: We use the complex addrmode_imm12 rather than just an input
1588 // GPR and a constrained immediate so that we can use this to match
1589 // frame index references and avoid matching constant pool references.
1590 def i12 : AI2ldst<0b010, 0, isByte, (outs),
1591 (ins GPR:$Rt, addrmode_imm12:$addr),
1592 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
1593 [(opnode GPR:$Rt, addrmode_imm12:$addr)]> {
1596 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1597 let Inst{19-16} = addr{16-13}; // Rn
1598 let Inst{15-12} = Rt;
1599 let Inst{11-0} = addr{11-0}; // imm12
1601 def rs : AI2ldst<0b011, 0, isByte, (outs), (ins GPR:$Rt, ldst_so_reg:$shift),
1602 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
1603 [(opnode GPR:$Rt, ldst_so_reg:$shift)]> {
1606 let shift{4} = 0; // Inst{4} = 0
1607 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1608 let Inst{19-16} = shift{16-13}; // Rn
1609 let Inst{15-12} = Rt;
1610 let Inst{11-0} = shift{11-0};
1614 multiclass AI_str1nopc<bit isByte, string opc, InstrItinClass iii,
1615 InstrItinClass iir, PatFrag opnode> {
1616 // Note: We use the complex addrmode_imm12 rather than just an input
1617 // GPR and a constrained immediate so that we can use this to match
1618 // frame index references and avoid matching constant pool references.
1619 def i12 : AI2ldst<0b010, 0, isByte, (outs),
1620 (ins GPRnopc:$Rt, addrmode_imm12:$addr),
1621 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
1622 [(opnode GPRnopc:$Rt, addrmode_imm12:$addr)]> {
1625 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1626 let Inst{19-16} = addr{16-13}; // Rn
1627 let Inst{15-12} = Rt;
1628 let Inst{11-0} = addr{11-0}; // imm12
1630 def rs : AI2ldst<0b011, 0, isByte, (outs),
1631 (ins GPRnopc:$Rt, ldst_so_reg:$shift),
1632 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
1633 [(opnode GPRnopc:$Rt, ldst_so_reg:$shift)]> {
1636 let shift{4} = 0; // Inst{4} = 0
1637 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1638 let Inst{19-16} = shift{16-13}; // Rn
1639 let Inst{15-12} = Rt;
1640 let Inst{11-0} = shift{11-0};
1645 //===----------------------------------------------------------------------===//
1647 //===----------------------------------------------------------------------===//
1649 //===----------------------------------------------------------------------===//
1650 // Miscellaneous Instructions.
1653 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
1654 /// the function. The first operand is the ID# for this instruction, the second
1655 /// is the index into the MachineConstantPool that this is, the third is the
1656 /// size in bytes of this constant pool entry.
1657 let neverHasSideEffects = 1, isNotDuplicable = 1 in
1658 def CONSTPOOL_ENTRY :
1659 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
1660 i32imm:$size), NoItinerary, []>;
1662 // FIXME: Marking these as hasSideEffects is necessary to prevent machine DCE
1663 // from removing one half of the matched pairs. That breaks PEI, which assumes
1664 // these will always be in pairs, and asserts if it finds otherwise. Better way?
1665 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
1666 def ADJCALLSTACKUP :
1667 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary,
1668 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
1670 def ADJCALLSTACKDOWN :
1671 PseudoInst<(outs), (ins i32imm:$amt, pred:$p), NoItinerary,
1672 [(ARMcallseq_start timm:$amt)]>;
1675 // Atomic pseudo-insts which will be lowered to ldrexd/strexd loops.
1676 // (These pseudos use a hand-written selection code).
1677 let usesCustomInserter = 1, Defs = [CPSR], mayLoad = 1, mayStore = 1 in {
1678 def ATOMOR6432 : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
1679 (ins GPR:$addr, GPR:$src1, GPR:$src2),
1681 def ATOMXOR6432 : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
1682 (ins GPR:$addr, GPR:$src1, GPR:$src2),
1684 def ATOMADD6432 : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
1685 (ins GPR:$addr, GPR:$src1, GPR:$src2),
1687 def ATOMSUB6432 : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
1688 (ins GPR:$addr, GPR:$src1, GPR:$src2),
1690 def ATOMNAND6432 : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
1691 (ins GPR:$addr, GPR:$src1, GPR:$src2),
1693 def ATOMAND6432 : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
1694 (ins GPR:$addr, GPR:$src1, GPR:$src2),
1696 def ATOMSWAP6432 : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
1697 (ins GPR:$addr, GPR:$src1, GPR:$src2),
1699 def ATOMCMPXCHG6432 : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
1700 (ins GPR:$addr, GPR:$cmp1, GPR:$cmp2,
1701 GPR:$set1, GPR:$set2),
1703 def ATOMMIN6432 : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
1704 (ins GPR:$addr, GPR:$src1, GPR:$src2),
1706 def ATOMUMIN6432 : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
1707 (ins GPR:$addr, GPR:$src1, GPR:$src2),
1709 def ATOMMAX6432 : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
1710 (ins GPR:$addr, GPR:$src1, GPR:$src2),
1712 def ATOMUMAX6432 : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
1713 (ins GPR:$addr, GPR:$src1, GPR:$src2),
1717 def HINT : AI<(outs), (ins imm0_4:$imm), MiscFrm, NoItinerary,
1718 "hint", "\t$imm", []>, Requires<[IsARM, HasV6]> {
1720 let Inst{27-3} = 0b0011001000001111000000000;
1721 let Inst{2-0} = imm;
1724 def : InstAlias<"nop$p", (HINT 0, pred:$p)>, Requires<[IsARM, HasV6T2]>;
1725 def : InstAlias<"yield$p", (HINT 1, pred:$p)>, Requires<[IsARM, HasV6T2]>;
1726 def : InstAlias<"wfe$p", (HINT 2, pred:$p)>, Requires<[IsARM, HasV6T2]>;
1727 def : InstAlias<"wfi$p", (HINT 3, pred:$p)>, Requires<[IsARM, HasV6T2]>;
1728 def : InstAlias<"sev$p", (HINT 4, pred:$p)>, Requires<[IsARM, HasV6T2]>;
1730 def SEL : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm, NoItinerary, "sel",
1731 "\t$Rd, $Rn, $Rm", []>, Requires<[IsARM, HasV6]> {
1736 let Inst{15-12} = Rd;
1737 let Inst{19-16} = Rn;
1738 let Inst{27-20} = 0b01101000;
1739 let Inst{7-4} = 0b1011;
1740 let Inst{11-8} = 0b1111;
1741 let Unpredictable{11-8} = 0b1111;
1744 // The 16-bit operand $val can be used by a debugger to store more information
1745 // about the breakpoint.
1746 def BKPT : AInoP<(outs), (ins imm0_65535:$val), MiscFrm, NoItinerary,
1747 "bkpt", "\t$val", []>, Requires<[IsARM]> {
1749 let Inst{3-0} = val{3-0};
1750 let Inst{19-8} = val{15-4};
1751 let Inst{27-20} = 0b00010010;
1752 let Inst{31-28} = 0xe; // AL
1753 let Inst{7-4} = 0b0111;
1756 // Change Processor State
1757 // FIXME: We should use InstAlias to handle the optional operands.
1758 class CPS<dag iops, string asm_ops>
1759 : AXI<(outs), iops, MiscFrm, NoItinerary, !strconcat("cps", asm_ops),
1760 []>, Requires<[IsARM]> {
1766 let Inst{31-28} = 0b1111;
1767 let Inst{27-20} = 0b00010000;
1768 let Inst{19-18} = imod;
1769 let Inst{17} = M; // Enabled if mode is set;
1770 let Inst{16-9} = 0b00000000;
1771 let Inst{8-6} = iflags;
1773 let Inst{4-0} = mode;
1776 let DecoderMethod = "DecodeCPSInstruction" in {
1778 def CPS3p : CPS<(ins imod_op:$imod, iflags_op:$iflags, imm0_31:$mode),
1779 "$imod\t$iflags, $mode">;
1780 let mode = 0, M = 0 in
1781 def CPS2p : CPS<(ins imod_op:$imod, iflags_op:$iflags), "$imod\t$iflags">;
1783 let imod = 0, iflags = 0, M = 1 in
1784 def CPS1p : CPS<(ins imm0_31:$mode), "\t$mode">;
1787 // Preload signals the memory system of possible future data/instruction access.
1788 multiclass APreLoad<bits<1> read, bits<1> data, string opc> {
1790 def i12 : AXI<(outs), (ins addrmode_imm12:$addr), MiscFrm, IIC_Preload,
1791 !strconcat(opc, "\t$addr"),
1792 [(ARMPreload addrmode_imm12:$addr, (i32 read), (i32 data))]>,
1793 Sched<[WritePreLd]> {
1796 let Inst{31-26} = 0b111101;
1797 let Inst{25} = 0; // 0 for immediate form
1798 let Inst{24} = data;
1799 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1800 let Inst{22} = read;
1801 let Inst{21-20} = 0b01;
1802 let Inst{19-16} = addr{16-13}; // Rn
1803 let Inst{15-12} = 0b1111;
1804 let Inst{11-0} = addr{11-0}; // imm12
1807 def rs : AXI<(outs), (ins ldst_so_reg:$shift), MiscFrm, IIC_Preload,
1808 !strconcat(opc, "\t$shift"),
1809 [(ARMPreload ldst_so_reg:$shift, (i32 read), (i32 data))]>,
1810 Sched<[WritePreLd]> {
1812 let Inst{31-26} = 0b111101;
1813 let Inst{25} = 1; // 1 for register form
1814 let Inst{24} = data;
1815 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1816 let Inst{22} = read;
1817 let Inst{21-20} = 0b01;
1818 let Inst{19-16} = shift{16-13}; // Rn
1819 let Inst{15-12} = 0b1111;
1820 let Inst{11-0} = shift{11-0};
1825 defm PLD : APreLoad<1, 1, "pld">, Requires<[IsARM]>;
1826 defm PLDW : APreLoad<0, 1, "pldw">, Requires<[IsARM,HasV7,HasMP]>;
1827 defm PLI : APreLoad<1, 0, "pli">, Requires<[IsARM,HasV7]>;
1829 def SETEND : AXI<(outs), (ins setend_op:$end), MiscFrm, NoItinerary,
1830 "setend\t$end", []>, Requires<[IsARM]> {
1832 let Inst{31-10} = 0b1111000100000001000000;
1837 def DBG : AI<(outs), (ins imm0_15:$opt), MiscFrm, NoItinerary, "dbg", "\t$opt",
1838 []>, Requires<[IsARM, HasV7]> {
1840 let Inst{27-4} = 0b001100100000111100001111;
1841 let Inst{3-0} = opt;
1845 * A5.4 Permanently UNDEFINED instructions.
1847 * For most targets use UDF #65006, for which the OS will generate SIGTRAP.
1848 * Other UDF encodings generate SIGILL.
1850 * NaCl's OS instead chooses an ARM UDF encoding that's also a UDF in Thumb.
1852 * 1110 0111 1111 iiii iiii iiii 1111 iiii
1854 * 1101 1110 iiii iiii
1855 * It uses the following encoding:
1856 * 1110 0111 1111 1110 1101 1110 1111 0000
1857 * - In ARM: UDF #60896;
1858 * - In Thumb: UDF #254 followed by a branch-to-self.
1860 let isBarrier = 1, isTerminator = 1 in
1861 def TRAPNaCl : AXI<(outs), (ins), MiscFrm, NoItinerary,
1863 Requires<[IsARM,UseNaClTrap]> {
1864 let Inst = 0xe7fedef0;
1866 let isBarrier = 1, isTerminator = 1 in
1867 def TRAP : AXI<(outs), (ins), MiscFrm, NoItinerary,
1869 Requires<[IsARM,DontUseNaClTrap]> {
1870 let Inst = 0xe7ffdefe;
1873 // Address computation and loads and stores in PIC mode.
1874 let isNotDuplicable = 1 in {
1875 def PICADD : ARMPseudoInst<(outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
1877 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>,
1878 Sched<[WriteALU, ReadALU]>;
1880 let AddedComplexity = 10 in {
1881 def PICLDR : ARMPseudoInst<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
1883 [(set GPR:$dst, (load addrmodepc:$addr))]>;
1885 def PICLDRH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1887 [(set GPR:$Rt, (zextloadi16 addrmodepc:$addr))]>;
1889 def PICLDRB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1891 [(set GPR:$Rt, (zextloadi8 addrmodepc:$addr))]>;
1893 def PICLDRSH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1895 [(set GPR:$Rt, (sextloadi16 addrmodepc:$addr))]>;
1897 def PICLDRSB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1899 [(set GPR:$Rt, (sextloadi8 addrmodepc:$addr))]>;
1901 let AddedComplexity = 10 in {
1902 def PICSTR : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1903 4, IIC_iStore_r, [(store GPR:$src, addrmodepc:$addr)]>;
1905 def PICSTRH : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1906 4, IIC_iStore_bh_r, [(truncstorei16 GPR:$src,
1907 addrmodepc:$addr)]>;
1909 def PICSTRB : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1910 4, IIC_iStore_bh_r, [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
1912 } // isNotDuplicable = 1
1915 // LEApcrel - Load a pc-relative address into a register without offending the
1917 let neverHasSideEffects = 1, isReMaterializable = 1 in
1918 // The 'adr' mnemonic encodes differently if the label is before or after
1919 // the instruction. The {24-21} opcode bits are set by the fixup, as we don't
1920 // know until then which form of the instruction will be used.
1921 def ADR : AI1<{0,?,?,0}, (outs GPR:$Rd), (ins adrlabel:$label),
1922 MiscFrm, IIC_iALUi, "adr", "\t$Rd, $label", []>,
1923 Sched<[WriteALU, ReadALU]> {
1926 let Inst{27-25} = 0b001;
1928 let Inst{23-22} = label{13-12};
1931 let Inst{19-16} = 0b1111;
1932 let Inst{15-12} = Rd;
1933 let Inst{11-0} = label{11-0};
1936 let hasSideEffects = 1 in {
1937 def LEApcrel : ARMPseudoInst<(outs GPR:$Rd), (ins i32imm:$label, pred:$p),
1938 4, IIC_iALUi, []>, Sched<[WriteALU, ReadALU]>;
1940 def LEApcrelJT : ARMPseudoInst<(outs GPR:$Rd),
1941 (ins i32imm:$label, nohash_imm:$id, pred:$p),
1942 4, IIC_iALUi, []>, Sched<[WriteALU, ReadALU]>;
1945 //===----------------------------------------------------------------------===//
1946 // Control Flow Instructions.
1949 let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
1951 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1952 "bx", "\tlr", [(ARMretflag)]>,
1953 Requires<[IsARM, HasV4T]>, Sched<[WriteBr]> {
1954 let Inst{27-0} = 0b0001001011111111111100011110;
1958 def MOVPCLR : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1959 "mov", "\tpc, lr", [(ARMretflag)]>,
1960 Requires<[IsARM, NoV4T]>, Sched<[WriteBr]> {
1961 let Inst{27-0} = 0b0001101000001111000000001110;
1965 // Indirect branches
1966 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
1968 def BX : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
1969 [(brind GPR:$dst)]>,
1970 Requires<[IsARM, HasV4T]>, Sched<[WriteBr]> {
1972 let Inst{31-4} = 0b1110000100101111111111110001;
1973 let Inst{3-0} = dst;
1976 def BX_pred : AI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br,
1977 "bx", "\t$dst", [/* pattern left blank */]>,
1978 Requires<[IsARM, HasV4T]>, Sched<[WriteBr]> {
1980 let Inst{27-4} = 0b000100101111111111110001;
1981 let Inst{3-0} = dst;
1985 // SP is marked as a use to prevent stack-pointer assignments that appear
1986 // immediately before calls from potentially appearing dead.
1988 // FIXME: Do we really need a non-predicated version? If so, it should
1989 // at least be a pseudo instruction expanding to the predicated version
1990 // at MC lowering time.
1991 Defs = [LR], Uses = [SP] in {
1992 def BL : ABXI<0b1011, (outs), (ins bl_target:$func),
1993 IIC_Br, "bl\t$func",
1994 [(ARMcall tglobaladdr:$func)]>,
1995 Requires<[IsARM]>, Sched<[WriteBrL]> {
1996 let Inst{31-28} = 0b1110;
1998 let Inst{23-0} = func;
1999 let DecoderMethod = "DecodeBranchImmInstruction";
2002 def BL_pred : ABI<0b1011, (outs), (ins bl_target:$func),
2003 IIC_Br, "bl", "\t$func",
2004 [(ARMcall_pred tglobaladdr:$func)]>,
2005 Requires<[IsARM]>, Sched<[WriteBrL]> {
2007 let Inst{23-0} = func;
2008 let DecoderMethod = "DecodeBranchImmInstruction";
2012 def BLX : AXI<(outs), (ins GPR:$func), BrMiscFrm,
2013 IIC_Br, "blx\t$func",
2014 [(ARMcall GPR:$func)]>,
2015 Requires<[IsARM, HasV5T]>, Sched<[WriteBrL]> {
2017 let Inst{31-4} = 0b1110000100101111111111110011;
2018 let Inst{3-0} = func;
2021 def BLX_pred : AI<(outs), (ins GPR:$func), BrMiscFrm,
2022 IIC_Br, "blx", "\t$func",
2023 [(ARMcall_pred GPR:$func)]>,
2024 Requires<[IsARM, HasV5T]>, Sched<[WriteBrL]> {
2026 let Inst{27-4} = 0b000100101111111111110011;
2027 let Inst{3-0} = func;
2031 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
2032 def BX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func),
2033 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
2034 Requires<[IsARM, HasV4T]>, Sched<[WriteBr]>;
2037 def BMOVPCRX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func),
2038 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
2039 Requires<[IsARM, NoV4T]>, Sched<[WriteBr]>;
2041 // mov lr, pc; b if callee is marked noreturn to avoid confusing the
2042 // return stack predictor.
2043 def BMOVPCB_CALL : ARMPseudoInst<(outs), (ins bl_target:$func),
2044 8, IIC_Br, [(ARMcall_nolink tglobaladdr:$func)]>,
2045 Requires<[IsARM]>, Sched<[WriteBr]>;
2048 let isBranch = 1, isTerminator = 1 in {
2049 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
2050 // a two-value operand where a dag node expects two operands. :(
2051 def Bcc : ABI<0b1010, (outs), (ins br_target:$target),
2052 IIC_Br, "b", "\t$target",
2053 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]>,
2056 let Inst{23-0} = target;
2057 let DecoderMethod = "DecodeBranchImmInstruction";
2060 let isBarrier = 1 in {
2061 // B is "predicable" since it's just a Bcc with an 'always' condition.
2062 let isPredicable = 1 in
2063 // FIXME: We shouldn't need this pseudo at all. Just using Bcc directly
2064 // should be sufficient.
2065 // FIXME: Is B really a Barrier? That doesn't seem right.
2066 def B : ARMPseudoExpand<(outs), (ins br_target:$target), 4, IIC_Br,
2067 [(br bb:$target)], (Bcc br_target:$target, (ops 14, zero_reg))>,
2070 let isNotDuplicable = 1, isIndirectBranch = 1 in {
2071 def BR_JTr : ARMPseudoInst<(outs),
2072 (ins GPR:$target, i32imm:$jt, i32imm:$id),
2074 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]>,
2076 // FIXME: This shouldn't use the generic "addrmode2," but rather be split
2077 // into i12 and rs suffixed versions.
2078 def BR_JTm : ARMPseudoInst<(outs),
2079 (ins addrmode2:$target, i32imm:$jt, i32imm:$id),
2081 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
2082 imm:$id)]>, Sched<[WriteBrTbl]>;
2083 def BR_JTadd : ARMPseudoInst<(outs),
2084 (ins GPR:$target, GPR:$idx, i32imm:$jt, i32imm:$id),
2086 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
2087 imm:$id)]>, Sched<[WriteBrTbl]>;
2088 } // isNotDuplicable = 1, isIndirectBranch = 1
2094 def BLXi : AXI<(outs), (ins blx_target:$target), BrMiscFrm, NoItinerary,
2095 "blx\t$target", []>,
2096 Requires<[IsARM, HasV5T]>, Sched<[WriteBrL]> {
2097 let Inst{31-25} = 0b1111101;
2099 let Inst{23-0} = target{24-1};
2100 let Inst{24} = target{0};
2103 // Branch and Exchange Jazelle
2104 def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
2105 [/* pattern left blank */]>, Sched<[WriteBr]> {
2107 let Inst{23-20} = 0b0010;
2108 let Inst{19-8} = 0xfff;
2109 let Inst{7-4} = 0b0010;
2110 let Inst{3-0} = func;
2115 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, Uses = [SP] in {
2116 def TCRETURNdi : PseudoInst<(outs), (ins i32imm:$dst), IIC_Br, []>,
2119 def TCRETURNri : PseudoInst<(outs), (ins tcGPR:$dst), IIC_Br, []>,
2122 def TAILJMPd : ARMPseudoExpand<(outs), (ins br_target:$dst),
2124 (Bcc br_target:$dst, (ops 14, zero_reg))>,
2125 Requires<[IsARM]>, Sched<[WriteBr]>;
2127 def TAILJMPr : ARMPseudoExpand<(outs), (ins tcGPR:$dst),
2129 (BX GPR:$dst)>, Sched<[WriteBr]>,
2133 // Secure Monitor Call is a system instruction.
2134 def SMC : ABI<0b0001, (outs), (ins imm0_15:$opt), NoItinerary, "smc", "\t$opt",
2135 []>, Requires<[IsARM, HasTrustZone]> {
2137 let Inst{23-4} = 0b01100000000000000111;
2138 let Inst{3-0} = opt;
2141 // Supervisor Call (Software Interrupt)
2142 let isCall = 1, Uses = [SP] in {
2143 def SVC : ABI<0b1111, (outs), (ins imm24b:$svc), IIC_Br, "svc", "\t$svc", []>,
2146 let Inst{23-0} = svc;
2150 // Store Return State
2151 class SRSI<bit wb, string asm>
2152 : XI<(outs), (ins imm0_31:$mode), AddrModeNone, 4, IndexModeNone, BrFrm,
2153 NoItinerary, asm, "", []> {
2155 let Inst{31-28} = 0b1111;
2156 let Inst{27-25} = 0b100;
2160 let Inst{19-16} = 0b1101; // SP
2161 let Inst{15-5} = 0b00000101000;
2162 let Inst{4-0} = mode;
2165 def SRSDA : SRSI<0, "srsda\tsp, $mode"> {
2166 let Inst{24-23} = 0;
2168 def SRSDA_UPD : SRSI<1, "srsda\tsp!, $mode"> {
2169 let Inst{24-23} = 0;
2171 def SRSDB : SRSI<0, "srsdb\tsp, $mode"> {
2172 let Inst{24-23} = 0b10;
2174 def SRSDB_UPD : SRSI<1, "srsdb\tsp!, $mode"> {
2175 let Inst{24-23} = 0b10;
2177 def SRSIA : SRSI<0, "srsia\tsp, $mode"> {
2178 let Inst{24-23} = 0b01;
2180 def SRSIA_UPD : SRSI<1, "srsia\tsp!, $mode"> {
2181 let Inst{24-23} = 0b01;
2183 def SRSIB : SRSI<0, "srsib\tsp, $mode"> {
2184 let Inst{24-23} = 0b11;
2186 def SRSIB_UPD : SRSI<1, "srsib\tsp!, $mode"> {
2187 let Inst{24-23} = 0b11;
2190 def : ARMInstAlias<"srsda $mode", (SRSDA imm0_31:$mode)>;
2191 def : ARMInstAlias<"srsda $mode!", (SRSDA_UPD imm0_31:$mode)>;
2193 def : ARMInstAlias<"srsdb $mode", (SRSDB imm0_31:$mode)>;
2194 def : ARMInstAlias<"srsdb $mode!", (SRSDB_UPD imm0_31:$mode)>;
2196 def : ARMInstAlias<"srsia $mode", (SRSIA imm0_31:$mode)>;
2197 def : ARMInstAlias<"srsia $mode!", (SRSIA_UPD imm0_31:$mode)>;
2199 def : ARMInstAlias<"srsib $mode", (SRSIB imm0_31:$mode)>;
2200 def : ARMInstAlias<"srsib $mode!", (SRSIB_UPD imm0_31:$mode)>;
2202 // Return From Exception
2203 class RFEI<bit wb, string asm>
2204 : XI<(outs), (ins GPR:$Rn), AddrModeNone, 4, IndexModeNone, BrFrm,
2205 NoItinerary, asm, "", []> {
2207 let Inst{31-28} = 0b1111;
2208 let Inst{27-25} = 0b100;
2212 let Inst{19-16} = Rn;
2213 let Inst{15-0} = 0xa00;
2216 def RFEDA : RFEI<0, "rfeda\t$Rn"> {
2217 let Inst{24-23} = 0;
2219 def RFEDA_UPD : RFEI<1, "rfeda\t$Rn!"> {
2220 let Inst{24-23} = 0;
2222 def RFEDB : RFEI<0, "rfedb\t$Rn"> {
2223 let Inst{24-23} = 0b10;
2225 def RFEDB_UPD : RFEI<1, "rfedb\t$Rn!"> {
2226 let Inst{24-23} = 0b10;
2228 def RFEIA : RFEI<0, "rfeia\t$Rn"> {
2229 let Inst{24-23} = 0b01;
2231 def RFEIA_UPD : RFEI<1, "rfeia\t$Rn!"> {
2232 let Inst{24-23} = 0b01;
2234 def RFEIB : RFEI<0, "rfeib\t$Rn"> {
2235 let Inst{24-23} = 0b11;
2237 def RFEIB_UPD : RFEI<1, "rfeib\t$Rn!"> {
2238 let Inst{24-23} = 0b11;
2241 //===----------------------------------------------------------------------===//
2242 // Load / Store Instructions.
2248 defm LDR : AI_ldr1<0, "ldr", IIC_iLoad_r, IIC_iLoad_si,
2249 UnOpFrag<(load node:$Src)>>;
2250 defm LDRB : AI_ldr1nopc<1, "ldrb", IIC_iLoad_bh_r, IIC_iLoad_bh_si,
2251 UnOpFrag<(zextloadi8 node:$Src)>>;
2252 defm STR : AI_str1<0, "str", IIC_iStore_r, IIC_iStore_si,
2253 BinOpFrag<(store node:$LHS, node:$RHS)>>;
2254 defm STRB : AI_str1nopc<1, "strb", IIC_iStore_bh_r, IIC_iStore_bh_si,
2255 BinOpFrag<(truncstorei8 node:$LHS, node:$RHS)>>;
2257 // Special LDR for loads from non-pc-relative constpools.
2258 let canFoldAsLoad = 1, mayLoad = 1, neverHasSideEffects = 1,
2259 isReMaterializable = 1, isCodeGenOnly = 1 in
2260 def LDRcp : AI2ldst<0b010, 1, 0, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
2261 AddrMode_i12, LdFrm, IIC_iLoad_r, "ldr", "\t$Rt, $addr",
2265 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2266 let Inst{19-16} = 0b1111;
2267 let Inst{15-12} = Rt;
2268 let Inst{11-0} = addr{11-0}; // imm12
2271 // Loads with zero extension
2272 def LDRH : AI3ld<0b1011, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
2273 IIC_iLoad_bh_r, "ldrh", "\t$Rt, $addr",
2274 [(set GPR:$Rt, (zextloadi16 addrmode3:$addr))]>;
2276 // Loads with sign extension
2277 def LDRSH : AI3ld<0b1111, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
2278 IIC_iLoad_bh_r, "ldrsh", "\t$Rt, $addr",
2279 [(set GPR:$Rt, (sextloadi16 addrmode3:$addr))]>;
2281 def LDRSB : AI3ld<0b1101, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
2282 IIC_iLoad_bh_r, "ldrsb", "\t$Rt, $addr",
2283 [(set GPR:$Rt, (sextloadi8 addrmode3:$addr))]>;
2285 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1 in {
2287 def LDRD : AI3ld<0b1101, 0, (outs GPR:$Rd, GPR:$dst2),
2288 (ins addrmode3:$addr), LdMiscFrm,
2289 IIC_iLoad_d_r, "ldrd", "\t$Rd, $dst2, $addr",
2290 []>, Requires<[IsARM, HasV5TE]>;
2294 multiclass AI2_ldridx<bit isByte, string opc,
2295 InstrItinClass iii, InstrItinClass iir> {
2296 def _PRE_IMM : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb),
2297 (ins addrmode_imm12_pre:$addr), IndexModePre, LdFrm, iii,
2298 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2301 let Inst{23} = addr{12};
2302 let Inst{19-16} = addr{16-13};
2303 let Inst{11-0} = addr{11-0};
2304 let DecoderMethod = "DecodeLDRPreImm";
2307 def _PRE_REG : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb),
2308 (ins ldst_so_reg:$addr), IndexModePre, LdFrm, iir,
2309 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2312 let Inst{23} = addr{12};
2313 let Inst{19-16} = addr{16-13};
2314 let Inst{11-0} = addr{11-0};
2316 let DecoderMethod = "DecodeLDRPreReg";
2319 def _POST_REG : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2320 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2321 IndexModePost, LdFrm, iir,
2322 opc, "\t$Rt, $addr, $offset",
2323 "$addr.base = $Rn_wb", []> {
2329 let Inst{23} = offset{12};
2330 let Inst{19-16} = addr;
2331 let Inst{11-0} = offset{11-0};
2334 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2337 def _POST_IMM : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2338 (ins addr_offset_none:$addr, am2offset_imm:$offset),
2339 IndexModePost, LdFrm, iii,
2340 opc, "\t$Rt, $addr, $offset",
2341 "$addr.base = $Rn_wb", []> {
2347 let Inst{23} = offset{12};
2348 let Inst{19-16} = addr;
2349 let Inst{11-0} = offset{11-0};
2351 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2356 let mayLoad = 1, neverHasSideEffects = 1 in {
2357 // FIXME: for LDR_PRE_REG etc. the itineray should be either IIC_iLoad_ru or
2358 // IIC_iLoad_siu depending on whether it the offset register is shifted.
2359 defm LDR : AI2_ldridx<0, "ldr", IIC_iLoad_iu, IIC_iLoad_ru>;
2360 defm LDRB : AI2_ldridx<1, "ldrb", IIC_iLoad_bh_iu, IIC_iLoad_bh_ru>;
2363 multiclass AI3_ldridx<bits<4> op, string opc, InstrItinClass itin> {
2364 def _PRE : AI3ldstidx<op, 1, 1, (outs GPR:$Rt, GPR:$Rn_wb),
2365 (ins addrmode3_pre:$addr), IndexModePre,
2367 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2369 let Inst{23} = addr{8}; // U bit
2370 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2371 let Inst{19-16} = addr{12-9}; // Rn
2372 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2373 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2374 let DecoderMethod = "DecodeAddrMode3Instruction";
2376 def _POST : AI3ldstidx<op, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2377 (ins addr_offset_none:$addr, am3offset:$offset),
2378 IndexModePost, LdMiscFrm, itin,
2379 opc, "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb",
2383 let Inst{23} = offset{8}; // U bit
2384 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2385 let Inst{19-16} = addr;
2386 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2387 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2388 let DecoderMethod = "DecodeAddrMode3Instruction";
2392 let mayLoad = 1, neverHasSideEffects = 1 in {
2393 defm LDRH : AI3_ldridx<0b1011, "ldrh", IIC_iLoad_bh_ru>;
2394 defm LDRSH : AI3_ldridx<0b1111, "ldrsh", IIC_iLoad_bh_ru>;
2395 defm LDRSB : AI3_ldridx<0b1101, "ldrsb", IIC_iLoad_bh_ru>;
2396 let hasExtraDefRegAllocReq = 1 in {
2397 def LDRD_PRE : AI3ldstidx<0b1101, 0, 1, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
2398 (ins addrmode3_pre:$addr), IndexModePre,
2399 LdMiscFrm, IIC_iLoad_d_ru,
2400 "ldrd", "\t$Rt, $Rt2, $addr!",
2401 "$addr.base = $Rn_wb", []> {
2403 let Inst{23} = addr{8}; // U bit
2404 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2405 let Inst{19-16} = addr{12-9}; // Rn
2406 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2407 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2408 let DecoderMethod = "DecodeAddrMode3Instruction";
2410 def LDRD_POST: AI3ldstidx<0b1101, 0, 0, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
2411 (ins addr_offset_none:$addr, am3offset:$offset),
2412 IndexModePost, LdMiscFrm, IIC_iLoad_d_ru,
2413 "ldrd", "\t$Rt, $Rt2, $addr, $offset",
2414 "$addr.base = $Rn_wb", []> {
2417 let Inst{23} = offset{8}; // U bit
2418 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2419 let Inst{19-16} = addr;
2420 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2421 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2422 let DecoderMethod = "DecodeAddrMode3Instruction";
2424 } // hasExtraDefRegAllocReq = 1
2425 } // mayLoad = 1, neverHasSideEffects = 1
2427 // LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT.
2428 let mayLoad = 1, neverHasSideEffects = 1 in {
2429 def LDRT_POST_REG : AI2ldstidx<1, 0, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2430 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2431 IndexModePost, LdFrm, IIC_iLoad_ru,
2432 "ldrt", "\t$Rt, $addr, $offset",
2433 "$addr.base = $Rn_wb", []> {
2439 let Inst{23} = offset{12};
2440 let Inst{21} = 1; // overwrite
2441 let Inst{19-16} = addr;
2442 let Inst{11-5} = offset{11-5};
2444 let Inst{3-0} = offset{3-0};
2445 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2448 def LDRT_POST_IMM : AI2ldstidx<1, 0, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2449 (ins addr_offset_none:$addr, am2offset_imm:$offset),
2450 IndexModePost, LdFrm, IIC_iLoad_ru,
2451 "ldrt", "\t$Rt, $addr, $offset",
2452 "$addr.base = $Rn_wb", []> {
2458 let Inst{23} = offset{12};
2459 let Inst{21} = 1; // overwrite
2460 let Inst{19-16} = addr;
2461 let Inst{11-0} = offset{11-0};
2462 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2465 def LDRBT_POST_REG : AI2ldstidx<1, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2466 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2467 IndexModePost, LdFrm, IIC_iLoad_bh_ru,
2468 "ldrbt", "\t$Rt, $addr, $offset",
2469 "$addr.base = $Rn_wb", []> {
2475 let Inst{23} = offset{12};
2476 let Inst{21} = 1; // overwrite
2477 let Inst{19-16} = addr;
2478 let Inst{11-5} = offset{11-5};
2480 let Inst{3-0} = offset{3-0};
2481 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2484 def LDRBT_POST_IMM : AI2ldstidx<1, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2485 (ins addr_offset_none:$addr, am2offset_imm:$offset),
2486 IndexModePost, LdFrm, IIC_iLoad_bh_ru,
2487 "ldrbt", "\t$Rt, $addr, $offset",
2488 "$addr.base = $Rn_wb", []> {
2494 let Inst{23} = offset{12};
2495 let Inst{21} = 1; // overwrite
2496 let Inst{19-16} = addr;
2497 let Inst{11-0} = offset{11-0};
2498 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2501 multiclass AI3ldrT<bits<4> op, string opc> {
2502 def i : AI3ldstidxT<op, 1, (outs GPR:$Rt, GPR:$base_wb),
2503 (ins addr_offset_none:$addr, postidx_imm8:$offset),
2504 IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru, opc,
2505 "\t$Rt, $addr, $offset", "$addr.base = $base_wb", []> {
2507 let Inst{23} = offset{8};
2509 let Inst{11-8} = offset{7-4};
2510 let Inst{3-0} = offset{3-0};
2512 def r : AI3ldstidxT<op, 1, (outs GPRnopc:$Rt, GPRnopc:$base_wb),
2513 (ins addr_offset_none:$addr, postidx_reg:$Rm),
2514 IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru, opc,
2515 "\t$Rt, $addr, $Rm", "$addr.base = $base_wb", []> {
2517 let Inst{23} = Rm{4};
2520 let Unpredictable{11-8} = 0b1111;
2521 let Inst{3-0} = Rm{3-0};
2522 let DecoderMethod = "DecodeLDR";
2526 defm LDRSBT : AI3ldrT<0b1101, "ldrsbt">;
2527 defm LDRHT : AI3ldrT<0b1011, "ldrht">;
2528 defm LDRSHT : AI3ldrT<0b1111, "ldrsht">;
2533 // Stores with truncate
2534 def STRH : AI3str<0b1011, (outs), (ins GPR:$Rt, addrmode3:$addr), StMiscFrm,
2535 IIC_iStore_bh_r, "strh", "\t$Rt, $addr",
2536 [(truncstorei16 GPR:$Rt, addrmode3:$addr)]>;
2539 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in
2540 def STRD : AI3str<0b1111, (outs), (ins GPR:$Rt, GPR:$src2, addrmode3:$addr),
2541 StMiscFrm, IIC_iStore_d_r,
2542 "strd", "\t$Rt, $src2, $addr", []>,
2543 Requires<[IsARM, HasV5TE]> {
2548 multiclass AI2_stridx<bit isByte, string opc,
2549 InstrItinClass iii, InstrItinClass iir> {
2550 def _PRE_IMM : AI2ldstidx<0, isByte, 1, (outs GPR:$Rn_wb),
2551 (ins GPR:$Rt, addrmode_imm12_pre:$addr), IndexModePre,
2553 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2556 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2557 let Inst{19-16} = addr{16-13}; // Rn
2558 let Inst{11-0} = addr{11-0}; // imm12
2559 let DecoderMethod = "DecodeSTRPreImm";
2562 def _PRE_REG : AI2ldstidx<0, isByte, 1, (outs GPR:$Rn_wb),
2563 (ins GPR:$Rt, ldst_so_reg:$addr),
2564 IndexModePre, StFrm, iir,
2565 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2568 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2569 let Inst{19-16} = addr{16-13}; // Rn
2570 let Inst{11-0} = addr{11-0};
2571 let Inst{4} = 0; // Inst{4} = 0
2572 let DecoderMethod = "DecodeSTRPreReg";
2574 def _POST_REG : AI2ldstidx<0, isByte, 0, (outs GPR:$Rn_wb),
2575 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_reg:$offset),
2576 IndexModePost, StFrm, iir,
2577 opc, "\t$Rt, $addr, $offset",
2578 "$addr.base = $Rn_wb", []> {
2584 let Inst{23} = offset{12};
2585 let Inst{19-16} = addr;
2586 let Inst{11-0} = offset{11-0};
2589 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2592 def _POST_IMM : AI2ldstidx<0, isByte, 0, (outs GPR:$Rn_wb),
2593 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_imm:$offset),
2594 IndexModePost, StFrm, iii,
2595 opc, "\t$Rt, $addr, $offset",
2596 "$addr.base = $Rn_wb", []> {
2602 let Inst{23} = offset{12};
2603 let Inst{19-16} = addr;
2604 let Inst{11-0} = offset{11-0};
2606 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2610 let mayStore = 1, neverHasSideEffects = 1 in {
2611 // FIXME: for STR_PRE_REG etc. the itineray should be either IIC_iStore_ru or
2612 // IIC_iStore_siu depending on whether it the offset register is shifted.
2613 defm STR : AI2_stridx<0, "str", IIC_iStore_iu, IIC_iStore_ru>;
2614 defm STRB : AI2_stridx<1, "strb", IIC_iStore_bh_iu, IIC_iStore_bh_ru>;
2617 def : ARMPat<(post_store GPR:$Rt, addr_offset_none:$addr,
2618 am2offset_reg:$offset),
2619 (STR_POST_REG GPR:$Rt, addr_offset_none:$addr,
2620 am2offset_reg:$offset)>;
2621 def : ARMPat<(post_store GPR:$Rt, addr_offset_none:$addr,
2622 am2offset_imm:$offset),
2623 (STR_POST_IMM GPR:$Rt, addr_offset_none:$addr,
2624 am2offset_imm:$offset)>;
2625 def : ARMPat<(post_truncsti8 GPR:$Rt, addr_offset_none:$addr,
2626 am2offset_reg:$offset),
2627 (STRB_POST_REG GPR:$Rt, addr_offset_none:$addr,
2628 am2offset_reg:$offset)>;
2629 def : ARMPat<(post_truncsti8 GPR:$Rt, addr_offset_none:$addr,
2630 am2offset_imm:$offset),
2631 (STRB_POST_IMM GPR:$Rt, addr_offset_none:$addr,
2632 am2offset_imm:$offset)>;
2634 // Pseudo-instructions for pattern matching the pre-indexed stores. We can't
2635 // put the patterns on the instruction definitions directly as ISel wants
2636 // the address base and offset to be separate operands, not a single
2637 // complex operand like we represent the instructions themselves. The
2638 // pseudos map between the two.
2639 let usesCustomInserter = 1,
2640 Constraints = "$Rn = $Rn_wb,@earlyclobber $Rn_wb" in {
2641 def STRi_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2642 (ins GPR:$Rt, GPR:$Rn, am2offset_imm:$offset, pred:$p),
2645 (pre_store GPR:$Rt, GPR:$Rn, am2offset_imm:$offset))]>;
2646 def STRr_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2647 (ins GPR:$Rt, GPR:$Rn, am2offset_reg:$offset, pred:$p),
2650 (pre_store GPR:$Rt, GPR:$Rn, am2offset_reg:$offset))]>;
2651 def STRBi_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2652 (ins GPR:$Rt, GPR:$Rn, am2offset_imm:$offset, pred:$p),
2655 (pre_truncsti8 GPR:$Rt, GPR:$Rn, am2offset_imm:$offset))]>;
2656 def STRBr_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2657 (ins GPR:$Rt, GPR:$Rn, am2offset_reg:$offset, pred:$p),
2660 (pre_truncsti8 GPR:$Rt, GPR:$Rn, am2offset_reg:$offset))]>;
2661 def STRH_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2662 (ins GPR:$Rt, GPR:$Rn, am3offset:$offset, pred:$p),
2665 (pre_truncsti16 GPR:$Rt, GPR:$Rn, am3offset:$offset))]>;
2670 def STRH_PRE : AI3ldstidx<0b1011, 0, 1, (outs GPR:$Rn_wb),
2671 (ins GPR:$Rt, addrmode3_pre:$addr), IndexModePre,
2672 StMiscFrm, IIC_iStore_bh_ru,
2673 "strh", "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2675 let Inst{23} = addr{8}; // U bit
2676 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2677 let Inst{19-16} = addr{12-9}; // Rn
2678 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2679 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2680 let DecoderMethod = "DecodeAddrMode3Instruction";
2683 def STRH_POST : AI3ldstidx<0b1011, 0, 0, (outs GPR:$Rn_wb),
2684 (ins GPR:$Rt, addr_offset_none:$addr, am3offset:$offset),
2685 IndexModePost, StMiscFrm, IIC_iStore_bh_ru,
2686 "strh", "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb",
2687 [(set GPR:$Rn_wb, (post_truncsti16 GPR:$Rt,
2688 addr_offset_none:$addr,
2689 am3offset:$offset))]> {
2692 let Inst{23} = offset{8}; // U bit
2693 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2694 let Inst{19-16} = addr;
2695 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2696 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2697 let DecoderMethod = "DecodeAddrMode3Instruction";
2700 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in {
2701 def STRD_PRE : AI3ldstidx<0b1111, 0, 1, (outs GPR:$Rn_wb),
2702 (ins GPR:$Rt, GPR:$Rt2, addrmode3_pre:$addr),
2703 IndexModePre, StMiscFrm, IIC_iStore_d_ru,
2704 "strd", "\t$Rt, $Rt2, $addr!",
2705 "$addr.base = $Rn_wb", []> {
2707 let Inst{23} = addr{8}; // U bit
2708 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2709 let Inst{19-16} = addr{12-9}; // Rn
2710 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2711 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2712 let DecoderMethod = "DecodeAddrMode3Instruction";
2715 def STRD_POST: AI3ldstidx<0b1111, 0, 0, (outs GPR:$Rn_wb),
2716 (ins GPR:$Rt, GPR:$Rt2, addr_offset_none:$addr,
2718 IndexModePost, StMiscFrm, IIC_iStore_d_ru,
2719 "strd", "\t$Rt, $Rt2, $addr, $offset",
2720 "$addr.base = $Rn_wb", []> {
2723 let Inst{23} = offset{8}; // U bit
2724 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2725 let Inst{19-16} = addr;
2726 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2727 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2728 let DecoderMethod = "DecodeAddrMode3Instruction";
2730 } // mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1
2732 // STRT, STRBT, and STRHT
2734 def STRBT_POST_REG : AI2ldstidx<0, 1, 0, (outs GPR:$Rn_wb),
2735 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_reg:$offset),
2736 IndexModePost, StFrm, IIC_iStore_bh_ru,
2737 "strbt", "\t$Rt, $addr, $offset",
2738 "$addr.base = $Rn_wb", []> {
2744 let Inst{23} = offset{12};
2745 let Inst{21} = 1; // overwrite
2746 let Inst{19-16} = addr;
2747 let Inst{11-5} = offset{11-5};
2749 let Inst{3-0} = offset{3-0};
2750 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2753 def STRBT_POST_IMM : AI2ldstidx<0, 1, 0, (outs GPR:$Rn_wb),
2754 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_imm:$offset),
2755 IndexModePost, StFrm, IIC_iStore_bh_ru,
2756 "strbt", "\t$Rt, $addr, $offset",
2757 "$addr.base = $Rn_wb", []> {
2763 let Inst{23} = offset{12};
2764 let Inst{21} = 1; // overwrite
2765 let Inst{19-16} = addr;
2766 let Inst{11-0} = offset{11-0};
2767 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2770 let mayStore = 1, neverHasSideEffects = 1 in {
2771 def STRT_POST_REG : AI2ldstidx<0, 0, 0, (outs GPR:$Rn_wb),
2772 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_reg:$offset),
2773 IndexModePost, StFrm, IIC_iStore_ru,
2774 "strt", "\t$Rt, $addr, $offset",
2775 "$addr.base = $Rn_wb", []> {
2781 let Inst{23} = offset{12};
2782 let Inst{21} = 1; // overwrite
2783 let Inst{19-16} = addr;
2784 let Inst{11-5} = offset{11-5};
2786 let Inst{3-0} = offset{3-0};
2787 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2790 def STRT_POST_IMM : AI2ldstidx<0, 0, 0, (outs GPR:$Rn_wb),
2791 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_imm:$offset),
2792 IndexModePost, StFrm, IIC_iStore_ru,
2793 "strt", "\t$Rt, $addr, $offset",
2794 "$addr.base = $Rn_wb", []> {
2800 let Inst{23} = offset{12};
2801 let Inst{21} = 1; // overwrite
2802 let Inst{19-16} = addr;
2803 let Inst{11-0} = offset{11-0};
2804 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2809 multiclass AI3strT<bits<4> op, string opc> {
2810 def i : AI3ldstidxT<op, 0, (outs GPR:$base_wb),
2811 (ins GPR:$Rt, addr_offset_none:$addr, postidx_imm8:$offset),
2812 IndexModePost, StMiscFrm, IIC_iStore_bh_ru, opc,
2813 "\t$Rt, $addr, $offset", "$addr.base = $base_wb", []> {
2815 let Inst{23} = offset{8};
2817 let Inst{11-8} = offset{7-4};
2818 let Inst{3-0} = offset{3-0};
2820 def r : AI3ldstidxT<op, 0, (outs GPR:$base_wb),
2821 (ins GPR:$Rt, addr_offset_none:$addr, postidx_reg:$Rm),
2822 IndexModePost, StMiscFrm, IIC_iStore_bh_ru, opc,
2823 "\t$Rt, $addr, $Rm", "$addr.base = $base_wb", []> {
2825 let Inst{23} = Rm{4};
2828 let Inst{3-0} = Rm{3-0};
2833 defm STRHT : AI3strT<0b1011, "strht">;
2836 //===----------------------------------------------------------------------===//
2837 // Load / store multiple Instructions.
2840 multiclass arm_ldst_mult<string asm, string sfx, bit L_bit, bit P_bit, Format f,
2841 InstrItinClass itin, InstrItinClass itin_upd> {
2842 // IA is the default, so no need for an explicit suffix on the
2843 // mnemonic here. Without it is the canonical spelling.
2845 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2846 IndexModeNone, f, itin,
2847 !strconcat(asm, "${p}\t$Rn, $regs", sfx), "", []> {
2848 let Inst{24-23} = 0b01; // Increment After
2849 let Inst{22} = P_bit;
2850 let Inst{21} = 0; // No writeback
2851 let Inst{20} = L_bit;
2854 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2855 IndexModeUpd, f, itin_upd,
2856 !strconcat(asm, "${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
2857 let Inst{24-23} = 0b01; // Increment After
2858 let Inst{22} = P_bit;
2859 let Inst{21} = 1; // Writeback
2860 let Inst{20} = L_bit;
2862 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
2865 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2866 IndexModeNone, f, itin,
2867 !strconcat(asm, "da${p}\t$Rn, $regs", sfx), "", []> {
2868 let Inst{24-23} = 0b00; // Decrement After
2869 let Inst{22} = P_bit;
2870 let Inst{21} = 0; // No writeback
2871 let Inst{20} = L_bit;
2874 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2875 IndexModeUpd, f, itin_upd,
2876 !strconcat(asm, "da${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
2877 let Inst{24-23} = 0b00; // Decrement After
2878 let Inst{22} = P_bit;
2879 let Inst{21} = 1; // Writeback
2880 let Inst{20} = L_bit;
2882 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
2885 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2886 IndexModeNone, f, itin,
2887 !strconcat(asm, "db${p}\t$Rn, $regs", sfx), "", []> {
2888 let Inst{24-23} = 0b10; // Decrement Before
2889 let Inst{22} = P_bit;
2890 let Inst{21} = 0; // No writeback
2891 let Inst{20} = L_bit;
2894 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2895 IndexModeUpd, f, itin_upd,
2896 !strconcat(asm, "db${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
2897 let Inst{24-23} = 0b10; // Decrement Before
2898 let Inst{22} = P_bit;
2899 let Inst{21} = 1; // Writeback
2900 let Inst{20} = L_bit;
2902 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
2905 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2906 IndexModeNone, f, itin,
2907 !strconcat(asm, "ib${p}\t$Rn, $regs", sfx), "", []> {
2908 let Inst{24-23} = 0b11; // Increment Before
2909 let Inst{22} = P_bit;
2910 let Inst{21} = 0; // No writeback
2911 let Inst{20} = L_bit;
2914 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2915 IndexModeUpd, f, itin_upd,
2916 !strconcat(asm, "ib${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
2917 let Inst{24-23} = 0b11; // Increment Before
2918 let Inst{22} = P_bit;
2919 let Inst{21} = 1; // Writeback
2920 let Inst{20} = L_bit;
2922 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
2926 let neverHasSideEffects = 1 in {
2928 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
2929 defm LDM : arm_ldst_mult<"ldm", "", 1, 0, LdStMulFrm, IIC_iLoad_m,
2932 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
2933 defm STM : arm_ldst_mult<"stm", "", 0, 0, LdStMulFrm, IIC_iStore_m,
2936 } // neverHasSideEffects
2938 // FIXME: remove when we have a way to marking a MI with these properties.
2939 // FIXME: Should pc be an implicit operand like PICADD, etc?
2940 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
2941 hasExtraDefRegAllocReq = 1, isCodeGenOnly = 1 in
2942 def LDMIA_RET : ARMPseudoExpand<(outs GPR:$wb), (ins GPR:$Rn, pred:$p,
2943 reglist:$regs, variable_ops),
2944 4, IIC_iLoad_mBr, [],
2945 (LDMIA_UPD GPR:$wb, GPR:$Rn, pred:$p, reglist:$regs)>,
2946 RegConstraint<"$Rn = $wb">;
2948 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
2949 defm sysLDM : arm_ldst_mult<"ldm", " ^", 1, 1, LdStMulFrm, IIC_iLoad_m,
2952 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
2953 defm sysSTM : arm_ldst_mult<"stm", " ^", 0, 1, LdStMulFrm, IIC_iStore_m,
2958 //===----------------------------------------------------------------------===//
2959 // Move Instructions.
2962 let neverHasSideEffects = 1 in
2963 def MOVr : AsI1<0b1101, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMOVr,
2964 "mov", "\t$Rd, $Rm", []>, UnaryDP, Sched<[WriteALU]> {
2968 let Inst{19-16} = 0b0000;
2969 let Inst{11-4} = 0b00000000;
2972 let Inst{15-12} = Rd;
2975 // A version for the smaller set of tail call registers.
2976 let neverHasSideEffects = 1 in
2977 def MOVr_TC : AsI1<0b1101, (outs tcGPR:$Rd), (ins tcGPR:$Rm), DPFrm,
2978 IIC_iMOVr, "mov", "\t$Rd, $Rm", []>, UnaryDP, Sched<[WriteALU]> {
2982 let Inst{11-4} = 0b00000000;
2985 let Inst{15-12} = Rd;
2988 def MOVsr : AsI1<0b1101, (outs GPRnopc:$Rd), (ins shift_so_reg_reg:$src),
2989 DPSoRegRegFrm, IIC_iMOVsr,
2990 "mov", "\t$Rd, $src",
2991 [(set GPRnopc:$Rd, shift_so_reg_reg:$src)]>, UnaryDP,
2995 let Inst{15-12} = Rd;
2996 let Inst{19-16} = 0b0000;
2997 let Inst{11-8} = src{11-8};
2999 let Inst{6-5} = src{6-5};
3001 let Inst{3-0} = src{3-0};
3005 def MOVsi : AsI1<0b1101, (outs GPR:$Rd), (ins shift_so_reg_imm:$src),
3006 DPSoRegImmFrm, IIC_iMOVsr,
3007 "mov", "\t$Rd, $src", [(set GPR:$Rd, shift_so_reg_imm:$src)]>,
3008 UnaryDP, Sched<[WriteALU]> {
3011 let Inst{15-12} = Rd;
3012 let Inst{19-16} = 0b0000;
3013 let Inst{11-5} = src{11-5};
3015 let Inst{3-0} = src{3-0};
3019 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
3020 def MOVi : AsI1<0b1101, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm, IIC_iMOVi,
3021 "mov", "\t$Rd, $imm", [(set GPR:$Rd, so_imm:$imm)]>, UnaryDP,
3026 let Inst{15-12} = Rd;
3027 let Inst{19-16} = 0b0000;
3028 let Inst{11-0} = imm;
3031 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
3032 def MOVi16 : AI1<0b1000, (outs GPR:$Rd), (ins imm0_65535_expr:$imm),
3034 "movw", "\t$Rd, $imm",
3035 [(set GPR:$Rd, imm0_65535:$imm)]>,
3036 Requires<[IsARM, HasV6T2]>, UnaryDP, Sched<[WriteALU]> {
3039 let Inst{15-12} = Rd;
3040 let Inst{11-0} = imm{11-0};
3041 let Inst{19-16} = imm{15-12};
3044 let DecoderMethod = "DecodeArmMOVTWInstruction";
3047 def : InstAlias<"mov${p} $Rd, $imm",
3048 (MOVi16 GPR:$Rd, imm0_65535_expr:$imm, pred:$p)>,
3051 def MOVi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
3052 (ins i32imm:$addr, pclabel:$id), IIC_iMOVi, []>,
3055 let Constraints = "$src = $Rd" in {
3056 def MOVTi16 : AI1<0b1010, (outs GPRnopc:$Rd),
3057 (ins GPR:$src, imm0_65535_expr:$imm),
3059 "movt", "\t$Rd, $imm",
3061 (or (and GPR:$src, 0xffff),
3062 lo16AllZero:$imm))]>, UnaryDP,
3063 Requires<[IsARM, HasV6T2]>, Sched<[WriteALU]> {
3066 let Inst{15-12} = Rd;
3067 let Inst{11-0} = imm{11-0};
3068 let Inst{19-16} = imm{15-12};
3071 let DecoderMethod = "DecodeArmMOVTWInstruction";
3074 def MOVTi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
3075 (ins GPR:$src, i32imm:$addr, pclabel:$id), IIC_iMOVi, []>,
3080 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
3081 Requires<[IsARM, HasV6T2]>;
3083 let Uses = [CPSR] in
3084 def RRX: PseudoInst<(outs GPR:$Rd), (ins GPR:$Rm), IIC_iMOVsi,
3085 [(set GPR:$Rd, (ARMrrx GPR:$Rm))]>, UnaryDP,
3086 Requires<[IsARM]>, Sched<[WriteALU]>;
3088 // These aren't really mov instructions, but we have to define them this way
3089 // due to flag operands.
3091 let Defs = [CPSR] in {
3092 def MOVsrl_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
3093 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP,
3094 Sched<[WriteALU]>, Requires<[IsARM]>;
3095 def MOVsra_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
3096 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP,
3097 Sched<[WriteALU]>, Requires<[IsARM]>;
3100 //===----------------------------------------------------------------------===//
3101 // Extend Instructions.
3106 def SXTB : AI_ext_rrot<0b01101010,
3107 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
3108 def SXTH : AI_ext_rrot<0b01101011,
3109 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
3111 def SXTAB : AI_exta_rrot<0b01101010,
3112 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
3113 def SXTAH : AI_exta_rrot<0b01101011,
3114 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
3116 def SXTB16 : AI_ext_rrot_np<0b01101000, "sxtb16">;
3118 def SXTAB16 : AI_exta_rrot_np<0b01101000, "sxtab16">;
3122 let AddedComplexity = 16 in {
3123 def UXTB : AI_ext_rrot<0b01101110,
3124 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
3125 def UXTH : AI_ext_rrot<0b01101111,
3126 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
3127 def UXTB16 : AI_ext_rrot<0b01101100,
3128 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
3130 // FIXME: This pattern incorrectly assumes the shl operator is a rotate.
3131 // The transformation should probably be done as a combiner action
3132 // instead so we can include a check for masking back in the upper
3133 // eight bits of the source into the lower eight bits of the result.
3134 //def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
3135 // (UXTB16r_rot GPR:$Src, 3)>;
3136 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
3137 (UXTB16 GPR:$Src, 1)>;
3139 def UXTAB : AI_exta_rrot<0b01101110, "uxtab",
3140 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
3141 def UXTAH : AI_exta_rrot<0b01101111, "uxtah",
3142 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
3145 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
3146 def UXTAB16 : AI_exta_rrot_np<0b01101100, "uxtab16">;
3149 def SBFX : I<(outs GPRnopc:$Rd),
3150 (ins GPRnopc:$Rn, imm0_31:$lsb, imm1_32:$width),
3151 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3152 "sbfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
3153 Requires<[IsARM, HasV6T2]> {
3158 let Inst{27-21} = 0b0111101;
3159 let Inst{6-4} = 0b101;
3160 let Inst{20-16} = width;
3161 let Inst{15-12} = Rd;
3162 let Inst{11-7} = lsb;
3166 def UBFX : I<(outs GPR:$Rd),
3167 (ins GPR:$Rn, imm0_31:$lsb, imm1_32:$width),
3168 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3169 "ubfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
3170 Requires<[IsARM, HasV6T2]> {
3175 let Inst{27-21} = 0b0111111;
3176 let Inst{6-4} = 0b101;
3177 let Inst{20-16} = width;
3178 let Inst{15-12} = Rd;
3179 let Inst{11-7} = lsb;
3183 //===----------------------------------------------------------------------===//
3184 // Arithmetic Instructions.
3187 defm ADD : AsI1_bin_irs<0b0100, "add",
3188 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3189 BinOpFrag<(add node:$LHS, node:$RHS)>, 1>;
3190 defm SUB : AsI1_bin_irs<0b0010, "sub",
3191 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3192 BinOpFrag<(sub node:$LHS, node:$RHS)>>;
3194 // ADD and SUB with 's' bit set.
3196 // Currently, ADDS/SUBS are pseudo opcodes that exist only in the
3197 // selection DAG. They are "lowered" to real ADD/SUB opcodes by
3198 // AdjustInstrPostInstrSelection where we determine whether or not to
3199 // set the "s" bit based on CPSR liveness.
3201 // FIXME: Eliminate ADDS/SUBS pseudo opcodes after adding tablegen
3202 // support for an optional CPSR definition that corresponds to the DAG
3203 // node's second value. We can then eliminate the implicit def of CPSR.
3204 defm ADDS : AsI1_bin_s_irs<IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3205 BinOpFrag<(ARMaddc node:$LHS, node:$RHS)>, 1>;
3206 defm SUBS : AsI1_bin_s_irs<IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3207 BinOpFrag<(ARMsubc node:$LHS, node:$RHS)>>;
3209 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
3210 BinOpWithFlagFrag<(ARMadde node:$LHS, node:$RHS, node:$FLAG)>, 1>;
3211 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
3212 BinOpWithFlagFrag<(ARMsube node:$LHS, node:$RHS, node:$FLAG)>>;
3214 defm RSB : AsI1_rbin_irs<0b0011, "rsb",
3215 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3216 BinOpFrag<(sub node:$LHS, node:$RHS)>>;
3218 // FIXME: Eliminate them if we can write def : Pat patterns which defines
3219 // CPSR and the implicit def of CPSR is not needed.
3220 defm RSBS : AsI1_rbin_s_is<IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3221 BinOpFrag<(ARMsubc node:$LHS, node:$RHS)>>;
3223 defm RSC : AI1_rsc_irs<0b0111, "rsc",
3224 BinOpWithFlagFrag<(ARMsube node:$LHS, node:$RHS, node:$FLAG)>>;
3226 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
3227 // The assume-no-carry-in form uses the negation of the input since add/sub
3228 // assume opposite meanings of the carry flag (i.e., carry == !borrow).
3229 // See the definition of AddWithCarry() in the ARM ARM A2.2.1 for the gory
3231 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
3232 (SUBri GPR:$src, so_imm_neg:$imm)>;
3233 def : ARMPat<(ARMaddc GPR:$src, so_imm_neg:$imm),
3234 (SUBSri GPR:$src, so_imm_neg:$imm)>;
3236 def : ARMPat<(add GPR:$src, imm0_65535_neg:$imm),
3237 (SUBrr GPR:$src, (MOVi16 (imm_neg_XFORM imm:$imm)))>,
3238 Requires<[IsARM, HasV6T2]>;
3239 def : ARMPat<(ARMaddc GPR:$src, imm0_65535_neg:$imm),
3240 (SUBSrr GPR:$src, (MOVi16 (imm_neg_XFORM imm:$imm)))>,
3241 Requires<[IsARM, HasV6T2]>;
3243 // The with-carry-in form matches bitwise not instead of the negation.
3244 // Effectively, the inverse interpretation of the carry flag already accounts
3245 // for part of the negation.
3246 def : ARMPat<(ARMadde GPR:$src, so_imm_not:$imm, CPSR),
3247 (SBCri GPR:$src, so_imm_not:$imm)>;
3248 def : ARMPat<(ARMadde GPR:$src, imm0_65535_neg:$imm, CPSR),
3249 (SBCrr GPR:$src, (MOVi16 (imm_not_XFORM imm:$imm)))>;
3251 // Note: These are implemented in C++ code, because they have to generate
3252 // ADD/SUBrs instructions, which use a complex pattern that a xform function
3254 // (mul X, 2^n+1) -> (add (X << n), X)
3255 // (mul X, 2^n-1) -> (rsb X, (X << n))
3257 // ARM Arithmetic Instruction
3258 // GPR:$dst = GPR:$a op GPR:$b
3259 class AAI<bits<8> op27_20, bits<8> op11_4, string opc,
3260 list<dag> pattern = [],
3261 dag iops = (ins GPRnopc:$Rn, GPRnopc:$Rm),
3262 string asm = "\t$Rd, $Rn, $Rm">
3263 : AI<(outs GPRnopc:$Rd), iops, DPFrm, IIC_iALUr, opc, asm, pattern>,
3264 Sched<[WriteALU, ReadALU, ReadALU]> {
3268 let Inst{27-20} = op27_20;
3269 let Inst{11-4} = op11_4;
3270 let Inst{19-16} = Rn;
3271 let Inst{15-12} = Rd;
3274 let Unpredictable{11-8} = 0b1111;
3277 // Saturating add/subtract
3279 let DecoderMethod = "DecodeQADDInstruction" in
3280 def QADD : AAI<0b00010000, 0b00000101, "qadd",
3281 [(set GPRnopc:$Rd, (int_arm_qadd GPRnopc:$Rm, GPRnopc:$Rn))],
3282 (ins GPRnopc:$Rm, GPRnopc:$Rn), "\t$Rd, $Rm, $Rn">;
3284 def QSUB : AAI<0b00010010, 0b00000101, "qsub",
3285 [(set GPRnopc:$Rd, (int_arm_qsub GPRnopc:$Rm, GPRnopc:$Rn))],
3286 (ins GPRnopc:$Rm, GPRnopc:$Rn), "\t$Rd, $Rm, $Rn">;
3287 def QDADD : AAI<0b00010100, 0b00000101, "qdadd", [],
3288 (ins GPRnopc:$Rm, GPRnopc:$Rn),
3290 def QDSUB : AAI<0b00010110, 0b00000101, "qdsub", [],
3291 (ins GPRnopc:$Rm, GPRnopc:$Rn),
3294 def QADD16 : AAI<0b01100010, 0b11110001, "qadd16">;
3295 def QADD8 : AAI<0b01100010, 0b11111001, "qadd8">;
3296 def QASX : AAI<0b01100010, 0b11110011, "qasx">;
3297 def QSAX : AAI<0b01100010, 0b11110101, "qsax">;
3298 def QSUB16 : AAI<0b01100010, 0b11110111, "qsub16">;
3299 def QSUB8 : AAI<0b01100010, 0b11111111, "qsub8">;
3300 def UQADD16 : AAI<0b01100110, 0b11110001, "uqadd16">;
3301 def UQADD8 : AAI<0b01100110, 0b11111001, "uqadd8">;
3302 def UQASX : AAI<0b01100110, 0b11110011, "uqasx">;
3303 def UQSAX : AAI<0b01100110, 0b11110101, "uqsax">;
3304 def UQSUB16 : AAI<0b01100110, 0b11110111, "uqsub16">;
3305 def UQSUB8 : AAI<0b01100110, 0b11111111, "uqsub8">;
3307 // Signed/Unsigned add/subtract
3309 def SASX : AAI<0b01100001, 0b11110011, "sasx">;
3310 def SADD16 : AAI<0b01100001, 0b11110001, "sadd16">;
3311 def SADD8 : AAI<0b01100001, 0b11111001, "sadd8">;
3312 def SSAX : AAI<0b01100001, 0b11110101, "ssax">;
3313 def SSUB16 : AAI<0b01100001, 0b11110111, "ssub16">;
3314 def SSUB8 : AAI<0b01100001, 0b11111111, "ssub8">;
3315 def UASX : AAI<0b01100101, 0b11110011, "uasx">;
3316 def UADD16 : AAI<0b01100101, 0b11110001, "uadd16">;
3317 def UADD8 : AAI<0b01100101, 0b11111001, "uadd8">;
3318 def USAX : AAI<0b01100101, 0b11110101, "usax">;
3319 def USUB16 : AAI<0b01100101, 0b11110111, "usub16">;
3320 def USUB8 : AAI<0b01100101, 0b11111111, "usub8">;
3322 // Signed/Unsigned halving add/subtract
3324 def SHASX : AAI<0b01100011, 0b11110011, "shasx">;
3325 def SHADD16 : AAI<0b01100011, 0b11110001, "shadd16">;
3326 def SHADD8 : AAI<0b01100011, 0b11111001, "shadd8">;
3327 def SHSAX : AAI<0b01100011, 0b11110101, "shsax">;
3328 def SHSUB16 : AAI<0b01100011, 0b11110111, "shsub16">;
3329 def SHSUB8 : AAI<0b01100011, 0b11111111, "shsub8">;
3330 def UHASX : AAI<0b01100111, 0b11110011, "uhasx">;
3331 def UHADD16 : AAI<0b01100111, 0b11110001, "uhadd16">;
3332 def UHADD8 : AAI<0b01100111, 0b11111001, "uhadd8">;
3333 def UHSAX : AAI<0b01100111, 0b11110101, "uhsax">;
3334 def UHSUB16 : AAI<0b01100111, 0b11110111, "uhsub16">;
3335 def UHSUB8 : AAI<0b01100111, 0b11111111, "uhsub8">;
3337 // Unsigned Sum of Absolute Differences [and Accumulate].
3339 def USAD8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3340 MulFrm /* for convenience */, NoItinerary, "usad8",
3341 "\t$Rd, $Rn, $Rm", []>,
3342 Requires<[IsARM, HasV6]>, Sched<[WriteALU, ReadALU, ReadALU]> {
3346 let Inst{27-20} = 0b01111000;
3347 let Inst{15-12} = 0b1111;
3348 let Inst{7-4} = 0b0001;
3349 let Inst{19-16} = Rd;
3350 let Inst{11-8} = Rm;
3353 def USADA8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3354 MulFrm /* for convenience */, NoItinerary, "usada8",
3355 "\t$Rd, $Rn, $Rm, $Ra", []>,
3356 Requires<[IsARM, HasV6]>, Sched<[WriteALU, ReadALU, ReadALU]>{
3361 let Inst{27-20} = 0b01111000;
3362 let Inst{7-4} = 0b0001;
3363 let Inst{19-16} = Rd;
3364 let Inst{15-12} = Ra;
3365 let Inst{11-8} = Rm;
3369 // Signed/Unsigned saturate
3371 def SSAT : AI<(outs GPRnopc:$Rd),
3372 (ins imm1_32:$sat_imm, GPRnopc:$Rn, shift_imm:$sh),
3373 SatFrm, NoItinerary, "ssat", "\t$Rd, $sat_imm, $Rn$sh", []> {
3378 let Inst{27-21} = 0b0110101;
3379 let Inst{5-4} = 0b01;
3380 let Inst{20-16} = sat_imm;
3381 let Inst{15-12} = Rd;
3382 let Inst{11-7} = sh{4-0};
3383 let Inst{6} = sh{5};
3387 def SSAT16 : AI<(outs GPRnopc:$Rd),
3388 (ins imm1_16:$sat_imm, GPRnopc:$Rn), SatFrm,
3389 NoItinerary, "ssat16", "\t$Rd, $sat_imm, $Rn", []> {
3393 let Inst{27-20} = 0b01101010;
3394 let Inst{11-4} = 0b11110011;
3395 let Inst{15-12} = Rd;
3396 let Inst{19-16} = sat_imm;
3400 def USAT : AI<(outs GPRnopc:$Rd),
3401 (ins imm0_31:$sat_imm, GPRnopc:$Rn, shift_imm:$sh),
3402 SatFrm, NoItinerary, "usat", "\t$Rd, $sat_imm, $Rn$sh", []> {
3407 let Inst{27-21} = 0b0110111;
3408 let Inst{5-4} = 0b01;
3409 let Inst{15-12} = Rd;
3410 let Inst{11-7} = sh{4-0};
3411 let Inst{6} = sh{5};
3412 let Inst{20-16} = sat_imm;
3416 def USAT16 : AI<(outs GPRnopc:$Rd),
3417 (ins imm0_15:$sat_imm, GPRnopc:$Rn), SatFrm,
3418 NoItinerary, "usat16", "\t$Rd, $sat_imm, $Rn", []> {
3422 let Inst{27-20} = 0b01101110;
3423 let Inst{11-4} = 0b11110011;
3424 let Inst{15-12} = Rd;
3425 let Inst{19-16} = sat_imm;
3429 def : ARMV6Pat<(int_arm_ssat GPRnopc:$a, imm:$pos),
3430 (SSAT imm:$pos, GPRnopc:$a, 0)>;
3431 def : ARMV6Pat<(int_arm_usat GPRnopc:$a, imm:$pos),
3432 (USAT imm:$pos, GPRnopc:$a, 0)>;
3434 //===----------------------------------------------------------------------===//
3435 // Bitwise Instructions.
3438 defm AND : AsI1_bin_irs<0b0000, "and",
3439 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3440 BinOpFrag<(and node:$LHS, node:$RHS)>, 1>;
3441 defm ORR : AsI1_bin_irs<0b1100, "orr",
3442 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3443 BinOpFrag<(or node:$LHS, node:$RHS)>, 1>;
3444 defm EOR : AsI1_bin_irs<0b0001, "eor",
3445 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3446 BinOpFrag<(xor node:$LHS, node:$RHS)>, 1>;
3447 defm BIC : AsI1_bin_irs<0b1110, "bic",
3448 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3449 BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
3451 // FIXME: bf_inv_mask_imm should be two operands, the lsb and the msb, just
3452 // like in the actual instruction encoding. The complexity of mapping the mask
3453 // to the lsb/msb pair should be handled by ISel, not encapsulated in the
3454 // instruction description.
3455 def BFC : I<(outs GPR:$Rd), (ins GPR:$src, bf_inv_mask_imm:$imm),
3456 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3457 "bfc", "\t$Rd, $imm", "$src = $Rd",
3458 [(set GPR:$Rd, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
3459 Requires<[IsARM, HasV6T2]> {
3462 let Inst{27-21} = 0b0111110;
3463 let Inst{6-0} = 0b0011111;
3464 let Inst{15-12} = Rd;
3465 let Inst{11-7} = imm{4-0}; // lsb
3466 let Inst{20-16} = imm{9-5}; // msb
3469 // A8.6.18 BFI - Bitfield insert (Encoding A1)
3470 def BFI:I<(outs GPRnopc:$Rd), (ins GPRnopc:$src, GPR:$Rn, bf_inv_mask_imm:$imm),
3471 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3472 "bfi", "\t$Rd, $Rn, $imm", "$src = $Rd",
3473 [(set GPRnopc:$Rd, (ARMbfi GPRnopc:$src, GPR:$Rn,
3474 bf_inv_mask_imm:$imm))]>,
3475 Requires<[IsARM, HasV6T2]> {
3479 let Inst{27-21} = 0b0111110;
3480 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
3481 let Inst{15-12} = Rd;
3482 let Inst{11-7} = imm{4-0}; // lsb
3483 let Inst{20-16} = imm{9-5}; // width
3487 def MVNr : AsI1<0b1111, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMVNr,
3488 "mvn", "\t$Rd, $Rm",
3489 [(set GPR:$Rd, (not GPR:$Rm))]>, UnaryDP, Sched<[WriteALU]> {
3493 let Inst{19-16} = 0b0000;
3494 let Inst{11-4} = 0b00000000;
3495 let Inst{15-12} = Rd;
3498 def MVNsi : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg_imm:$shift),
3499 DPSoRegImmFrm, IIC_iMVNsr, "mvn", "\t$Rd, $shift",
3500 [(set GPR:$Rd, (not so_reg_imm:$shift))]>, UnaryDP,
3505 let Inst{19-16} = 0b0000;
3506 let Inst{15-12} = Rd;
3507 let Inst{11-5} = shift{11-5};
3509 let Inst{3-0} = shift{3-0};
3511 def MVNsr : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg_reg:$shift),
3512 DPSoRegRegFrm, IIC_iMVNsr, "mvn", "\t$Rd, $shift",
3513 [(set GPR:$Rd, (not so_reg_reg:$shift))]>, UnaryDP,
3518 let Inst{19-16} = 0b0000;
3519 let Inst{15-12} = Rd;
3520 let Inst{11-8} = shift{11-8};
3522 let Inst{6-5} = shift{6-5};
3524 let Inst{3-0} = shift{3-0};
3526 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
3527 def MVNi : AsI1<0b1111, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm,
3528 IIC_iMVNi, "mvn", "\t$Rd, $imm",
3529 [(set GPR:$Rd, so_imm_not:$imm)]>,UnaryDP, Sched<[WriteALU]> {
3533 let Inst{19-16} = 0b0000;
3534 let Inst{15-12} = Rd;
3535 let Inst{11-0} = imm;
3538 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
3539 (BICri GPR:$src, so_imm_not:$imm)>;
3541 //===----------------------------------------------------------------------===//
3542 // Multiply Instructions.
3544 class AsMul1I32<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
3545 string opc, string asm, list<dag> pattern>
3546 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
3550 let Inst{19-16} = Rd;
3551 let Inst{11-8} = Rm;
3554 class AsMul1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
3555 string opc, string asm, list<dag> pattern>
3556 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
3561 let Inst{19-16} = RdHi;
3562 let Inst{15-12} = RdLo;
3563 let Inst{11-8} = Rm;
3566 class AsMla1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
3567 string opc, string asm, list<dag> pattern>
3568 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
3573 let Inst{19-16} = RdHi;
3574 let Inst{15-12} = RdLo;
3575 let Inst{11-8} = Rm;
3579 // FIXME: The v5 pseudos are only necessary for the additional Constraint
3580 // property. Remove them when it's possible to add those properties
3581 // on an individual MachineInstr, not just an instruction description.
3582 let isCommutable = 1, TwoOperandAliasConstraint = "$Rn = $Rd" in {
3583 def MUL : AsMul1I32<0b0000000, (outs GPRnopc:$Rd),
3584 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3585 IIC_iMUL32, "mul", "\t$Rd, $Rn, $Rm",
3586 [(set GPRnopc:$Rd, (mul GPRnopc:$Rn, GPRnopc:$Rm))]>,
3587 Requires<[IsARM, HasV6]> {
3588 let Inst{15-12} = 0b0000;
3589 let Unpredictable{15-12} = 0b1111;
3592 let Constraints = "@earlyclobber $Rd" in
3593 def MULv5: ARMPseudoExpand<(outs GPRnopc:$Rd), (ins GPRnopc:$Rn, GPRnopc:$Rm,
3594 pred:$p, cc_out:$s),
3596 [(set GPRnopc:$Rd, (mul GPRnopc:$Rn, GPRnopc:$Rm))],
3597 (MUL GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p, cc_out:$s)>,
3598 Requires<[IsARM, NoV6, UseMulOps]>;
3601 def MLA : AsMul1I32<0b0000001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3602 IIC_iMAC32, "mla", "\t$Rd, $Rn, $Rm, $Ra",
3603 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
3604 Requires<[IsARM, HasV6, UseMulOps]> {
3606 let Inst{15-12} = Ra;
3609 let Constraints = "@earlyclobber $Rd" in
3610 def MLAv5: ARMPseudoExpand<(outs GPR:$Rd),
3611 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra, pred:$p, cc_out:$s),
3613 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))],
3614 (MLA GPR:$Rd, GPR:$Rn, GPR:$Rm, GPR:$Ra, pred:$p, cc_out:$s)>,
3615 Requires<[IsARM, NoV6]>;
3617 def MLS : AMul1I<0b0000011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3618 IIC_iMAC32, "mls", "\t$Rd, $Rn, $Rm, $Ra",
3619 [(set GPR:$Rd, (sub GPR:$Ra, (mul GPR:$Rn, GPR:$Rm)))]>,
3620 Requires<[IsARM, HasV6T2, UseMulOps]> {
3625 let Inst{19-16} = Rd;
3626 let Inst{15-12} = Ra;
3627 let Inst{11-8} = Rm;
3631 // Extra precision multiplies with low / high results
3632 let neverHasSideEffects = 1 in {
3633 let isCommutable = 1 in {
3634 def SMULL : AsMul1I64<0b0000110, (outs GPR:$RdLo, GPR:$RdHi),
3635 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
3636 "smull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3637 Requires<[IsARM, HasV6]>;
3639 def UMULL : AsMul1I64<0b0000100, (outs GPR:$RdLo, GPR:$RdHi),
3640 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
3641 "umull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3642 Requires<[IsARM, HasV6]>;
3644 let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
3645 def SMULLv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3646 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
3648 (SMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3649 Requires<[IsARM, NoV6]>;
3651 def UMULLv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3652 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
3654 (UMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3655 Requires<[IsARM, NoV6]>;
3659 // Multiply + accumulate
3660 def SMLAL : AsMla1I64<0b0000111, (outs GPR:$RdLo, GPR:$RdHi),
3661 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi), IIC_iMAC64,
3662 "smlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3663 RegConstraint<"$RLo = $RdLo, $RHi = $RdHi">, Requires<[IsARM, HasV6]>;
3664 def UMLAL : AsMla1I64<0b0000101, (outs GPR:$RdLo, GPR:$RdHi),
3665 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi), IIC_iMAC64,
3666 "umlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3667 RegConstraint<"$RLo = $RdLo, $RHi = $RdHi">, Requires<[IsARM, HasV6]>;
3669 def UMAAL : AMul1I <0b0000010, (outs GPR:$RdLo, GPR:$RdHi),
3670 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
3671 "umaal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3672 Requires<[IsARM, HasV6]> {
3677 let Inst{19-16} = RdHi;
3678 let Inst{15-12} = RdLo;
3679 let Inst{11-8} = Rm;
3683 let Constraints = "$RLo = $RdLo,$RHi = $RdHi" in {
3684 def SMLALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3685 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi, pred:$p, cc_out:$s),
3687 (SMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi,
3688 pred:$p, cc_out:$s)>,
3689 Requires<[IsARM, NoV6]>;
3690 def UMLALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3691 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi, pred:$p, cc_out:$s),
3693 (UMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi,
3694 pred:$p, cc_out:$s)>,
3695 Requires<[IsARM, NoV6]>;
3698 let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
3699 def UMAALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3700 (ins GPR:$Rn, GPR:$Rm, pred:$p),
3702 (UMAAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p)>,
3703 Requires<[IsARM, NoV6]>;
3706 } // neverHasSideEffects
3708 // Most significant word multiply
3709 def SMMUL : AMul2I <0b0111010, 0b0001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3710 IIC_iMUL32, "smmul", "\t$Rd, $Rn, $Rm",
3711 [(set GPR:$Rd, (mulhs GPR:$Rn, GPR:$Rm))]>,
3712 Requires<[IsARM, HasV6]> {
3713 let Inst{15-12} = 0b1111;
3716 def SMMULR : AMul2I <0b0111010, 0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3717 IIC_iMUL32, "smmulr", "\t$Rd, $Rn, $Rm", []>,
3718 Requires<[IsARM, HasV6]> {
3719 let Inst{15-12} = 0b1111;
3722 def SMMLA : AMul2Ia <0b0111010, 0b0001, (outs GPR:$Rd),
3723 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3724 IIC_iMAC32, "smmla", "\t$Rd, $Rn, $Rm, $Ra",
3725 [(set GPR:$Rd, (add (mulhs GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
3726 Requires<[IsARM, HasV6, UseMulOps]>;
3728 def SMMLAR : AMul2Ia <0b0111010, 0b0011, (outs GPR:$Rd),
3729 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3730 IIC_iMAC32, "smmlar", "\t$Rd, $Rn, $Rm, $Ra", []>,
3731 Requires<[IsARM, HasV6]>;
3733 def SMMLS : AMul2Ia <0b0111010, 0b1101, (outs GPR:$Rd),
3734 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3735 IIC_iMAC32, "smmls", "\t$Rd, $Rn, $Rm, $Ra", []>,
3736 Requires<[IsARM, HasV6, UseMulOps]>;
3738 def SMMLSR : AMul2Ia <0b0111010, 0b1111, (outs GPR:$Rd),
3739 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3740 IIC_iMAC32, "smmlsr", "\t$Rd, $Rn, $Rm, $Ra", []>,
3741 Requires<[IsARM, HasV6]>;
3743 multiclass AI_smul<string opc, PatFrag opnode> {
3744 def BB : AMulxyI<0b0001011, 0b00, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3745 IIC_iMUL16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm",
3746 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
3747 (sext_inreg GPR:$Rm, i16)))]>,
3748 Requires<[IsARM, HasV5TE]>;
3750 def BT : AMulxyI<0b0001011, 0b10, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3751 IIC_iMUL16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm",
3752 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
3753 (sra GPR:$Rm, (i32 16))))]>,
3754 Requires<[IsARM, HasV5TE]>;
3756 def TB : AMulxyI<0b0001011, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3757 IIC_iMUL16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm",
3758 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
3759 (sext_inreg GPR:$Rm, i16)))]>,
3760 Requires<[IsARM, HasV5TE]>;
3762 def TT : AMulxyI<0b0001011, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3763 IIC_iMUL16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm",
3764 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
3765 (sra GPR:$Rm, (i32 16))))]>,
3766 Requires<[IsARM, HasV5TE]>;
3768 def WB : AMulxyI<0b0001001, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3769 IIC_iMUL16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm",
3770 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
3771 (sext_inreg GPR:$Rm, i16)), (i32 16)))]>,
3772 Requires<[IsARM, HasV5TE]>;
3774 def WT : AMulxyI<0b0001001, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3775 IIC_iMUL16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm",
3776 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
3777 (sra GPR:$Rm, (i32 16))), (i32 16)))]>,
3778 Requires<[IsARM, HasV5TE]>;
3782 multiclass AI_smla<string opc, PatFrag opnode> {
3783 let DecoderMethod = "DecodeSMLAInstruction" in {
3784 def BB : AMulxyIa<0b0001000, 0b00, (outs GPRnopc:$Rd),
3785 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3786 IIC_iMAC16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm, $Ra",
3787 [(set GPRnopc:$Rd, (add GPR:$Ra,
3788 (opnode (sext_inreg GPRnopc:$Rn, i16),
3789 (sext_inreg GPRnopc:$Rm, i16))))]>,
3790 Requires<[IsARM, HasV5TE, UseMulOps]>;
3792 def BT : AMulxyIa<0b0001000, 0b10, (outs GPRnopc:$Rd),
3793 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3794 IIC_iMAC16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm, $Ra",
3796 (add GPR:$Ra, (opnode (sext_inreg GPRnopc:$Rn, i16),
3797 (sra GPRnopc:$Rm, (i32 16)))))]>,
3798 Requires<[IsARM, HasV5TE, UseMulOps]>;
3800 def TB : AMulxyIa<0b0001000, 0b01, (outs GPRnopc:$Rd),
3801 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3802 IIC_iMAC16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm, $Ra",
3804 (add GPR:$Ra, (opnode (sra GPRnopc:$Rn, (i32 16)),
3805 (sext_inreg GPRnopc:$Rm, i16))))]>,
3806 Requires<[IsARM, HasV5TE, UseMulOps]>;
3808 def TT : AMulxyIa<0b0001000, 0b11, (outs GPRnopc:$Rd),
3809 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3810 IIC_iMAC16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm, $Ra",
3812 (add GPR:$Ra, (opnode (sra GPRnopc:$Rn, (i32 16)),
3813 (sra GPRnopc:$Rm, (i32 16)))))]>,
3814 Requires<[IsARM, HasV5TE, UseMulOps]>;
3816 def WB : AMulxyIa<0b0001001, 0b00, (outs GPRnopc:$Rd),
3817 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3818 IIC_iMAC16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm, $Ra",
3820 (add GPR:$Ra, (sra (opnode GPRnopc:$Rn,
3821 (sext_inreg GPRnopc:$Rm, i16)), (i32 16))))]>,
3822 Requires<[IsARM, HasV5TE, UseMulOps]>;
3824 def WT : AMulxyIa<0b0001001, 0b10, (outs GPRnopc:$Rd),
3825 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3826 IIC_iMAC16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm, $Ra",
3828 (add GPR:$Ra, (sra (opnode GPRnopc:$Rn,
3829 (sra GPRnopc:$Rm, (i32 16))), (i32 16))))]>,
3830 Requires<[IsARM, HasV5TE, UseMulOps]>;
3834 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
3835 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
3837 // Halfword multiply accumulate long: SMLAL<x><y>.
3838 def SMLALBB : AMulxyI64<0b0001010, 0b00, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3839 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3840 IIC_iMAC64, "smlalbb", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3841 Requires<[IsARM, HasV5TE]>;
3843 def SMLALBT : AMulxyI64<0b0001010, 0b10, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3844 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3845 IIC_iMAC64, "smlalbt", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3846 Requires<[IsARM, HasV5TE]>;
3848 def SMLALTB : AMulxyI64<0b0001010, 0b01, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3849 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3850 IIC_iMAC64, "smlaltb", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3851 Requires<[IsARM, HasV5TE]>;
3853 def SMLALTT : AMulxyI64<0b0001010, 0b11, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3854 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3855 IIC_iMAC64, "smlaltt", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3856 Requires<[IsARM, HasV5TE]>;
3858 // Helper class for AI_smld.
3859 class AMulDualIbase<bit long, bit sub, bit swap, dag oops, dag iops,
3860 InstrItinClass itin, string opc, string asm>
3861 : AI<oops, iops, MulFrm, itin, opc, asm, []>, Requires<[IsARM, HasV6]> {
3864 let Inst{27-23} = 0b01110;
3865 let Inst{22} = long;
3866 let Inst{21-20} = 0b00;
3867 let Inst{11-8} = Rm;
3874 class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
3875 InstrItinClass itin, string opc, string asm>
3876 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
3878 let Inst{15-12} = 0b1111;
3879 let Inst{19-16} = Rd;
3881 class AMulDualIa<bit long, bit sub, bit swap, dag oops, dag iops,
3882 InstrItinClass itin, string opc, string asm>
3883 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
3886 let Inst{19-16} = Rd;
3887 let Inst{15-12} = Ra;
3889 class AMulDualI64<bit long, bit sub, bit swap, dag oops, dag iops,
3890 InstrItinClass itin, string opc, string asm>
3891 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
3894 let Inst{19-16} = RdHi;
3895 let Inst{15-12} = RdLo;
3898 multiclass AI_smld<bit sub, string opc> {
3900 def D : AMulDualIa<0, sub, 0, (outs GPRnopc:$Rd),
3901 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3902 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm, $Ra">;
3904 def DX: AMulDualIa<0, sub, 1, (outs GPRnopc:$Rd),
3905 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3906 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm, $Ra">;
3908 def LD: AMulDualI64<1, sub, 0, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3909 (ins GPRnopc:$Rn, GPRnopc:$Rm), NoItinerary,
3910 !strconcat(opc, "ld"), "\t$RdLo, $RdHi, $Rn, $Rm">;
3912 def LDX : AMulDualI64<1, sub, 1, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3913 (ins GPRnopc:$Rn, GPRnopc:$Rm), NoItinerary,
3914 !strconcat(opc, "ldx"),"\t$RdLo, $RdHi, $Rn, $Rm">;
3918 defm SMLA : AI_smld<0, "smla">;
3919 defm SMLS : AI_smld<1, "smls">;
3921 multiclass AI_sdml<bit sub, string opc> {
3923 def D:AMulDualI<0, sub, 0, (outs GPRnopc:$Rd), (ins GPRnopc:$Rn, GPRnopc:$Rm),
3924 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm">;
3925 def DX:AMulDualI<0, sub, 1, (outs GPRnopc:$Rd),(ins GPRnopc:$Rn, GPRnopc:$Rm),
3926 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm">;
3929 defm SMUA : AI_sdml<0, "smua">;
3930 defm SMUS : AI_sdml<1, "smus">;
3932 //===----------------------------------------------------------------------===//
3933 // Division Instructions (ARMv7-A with virtualization extension)
3935 def SDIV : ADivA1I<0b001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), IIC_iDIV,
3936 "sdiv", "\t$Rd, $Rn, $Rm",
3937 [(set GPR:$Rd, (sdiv GPR:$Rn, GPR:$Rm))]>,
3938 Requires<[IsARM, HasDivideInARM]>;
3940 def UDIV : ADivA1I<0b011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), IIC_iDIV,
3941 "udiv", "\t$Rd, $Rn, $Rm",
3942 [(set GPR:$Rd, (udiv GPR:$Rn, GPR:$Rm))]>,
3943 Requires<[IsARM, HasDivideInARM]>;
3945 //===----------------------------------------------------------------------===//
3946 // Misc. Arithmetic Instructions.
3949 def CLZ : AMiscA1I<0b000010110, 0b0001, (outs GPR:$Rd), (ins GPR:$Rm),
3950 IIC_iUNAr, "clz", "\t$Rd, $Rm",
3951 [(set GPR:$Rd, (ctlz GPR:$Rm))]>, Requires<[IsARM, HasV5T]>,
3954 def RBIT : AMiscA1I<0b01101111, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
3955 IIC_iUNAr, "rbit", "\t$Rd, $Rm",
3956 [(set GPR:$Rd, (ARMrbit GPR:$Rm))]>,
3957 Requires<[IsARM, HasV6T2]>,
3960 def REV : AMiscA1I<0b01101011, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
3961 IIC_iUNAr, "rev", "\t$Rd, $Rm",
3962 [(set GPR:$Rd, (bswap GPR:$Rm))]>, Requires<[IsARM, HasV6]>,
3965 let AddedComplexity = 5 in
3966 def REV16 : AMiscA1I<0b01101011, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
3967 IIC_iUNAr, "rev16", "\t$Rd, $Rm",
3968 [(set GPR:$Rd, (rotr (bswap GPR:$Rm), (i32 16)))]>,
3969 Requires<[IsARM, HasV6]>,
3972 let AddedComplexity = 5 in
3973 def REVSH : AMiscA1I<0b01101111, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
3974 IIC_iUNAr, "revsh", "\t$Rd, $Rm",
3975 [(set GPR:$Rd, (sra (bswap GPR:$Rm), (i32 16)))]>,
3976 Requires<[IsARM, HasV6]>,
3979 def : ARMV6Pat<(or (sra (shl GPR:$Rm, (i32 24)), (i32 16)),
3980 (and (srl GPR:$Rm, (i32 8)), 0xFF)),
3983 def PKHBT : APKHI<0b01101000, 0, (outs GPRnopc:$Rd),
3984 (ins GPRnopc:$Rn, GPRnopc:$Rm, pkh_lsl_amt:$sh),
3985 IIC_iALUsi, "pkhbt", "\t$Rd, $Rn, $Rm$sh",
3986 [(set GPRnopc:$Rd, (or (and GPRnopc:$Rn, 0xFFFF),
3987 (and (shl GPRnopc:$Rm, pkh_lsl_amt:$sh),
3989 Requires<[IsARM, HasV6]>,
3990 Sched<[WriteALUsi, ReadALU]>;
3992 // Alternate cases for PKHBT where identities eliminate some nodes.
3993 def : ARMV6Pat<(or (and GPRnopc:$Rn, 0xFFFF), (and GPRnopc:$Rm, 0xFFFF0000)),
3994 (PKHBT GPRnopc:$Rn, GPRnopc:$Rm, 0)>;
3995 def : ARMV6Pat<(or (and GPRnopc:$Rn, 0xFFFF), (shl GPRnopc:$Rm, imm16_31:$sh)),
3996 (PKHBT GPRnopc:$Rn, GPRnopc:$Rm, imm16_31:$sh)>;
3998 // Note: Shifts of 1-15 bits will be transformed to srl instead of sra and
3999 // will match the pattern below.
4000 def PKHTB : APKHI<0b01101000, 1, (outs GPRnopc:$Rd),
4001 (ins GPRnopc:$Rn, GPRnopc:$Rm, pkh_asr_amt:$sh),
4002 IIC_iBITsi, "pkhtb", "\t$Rd, $Rn, $Rm$sh",
4003 [(set GPRnopc:$Rd, (or (and GPRnopc:$Rn, 0xFFFF0000),
4004 (and (sra GPRnopc:$Rm, pkh_asr_amt:$sh),
4006 Requires<[IsARM, HasV6]>,
4007 Sched<[WriteALUsi, ReadALU]>;
4009 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
4010 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
4011 // We also can not replace a srl (17..31) by an arithmetic shift we would use in
4012 // pkhtb src1, src2, asr (17..31).
4013 def : ARMV6Pat<(or (and GPRnopc:$src1, 0xFFFF0000),
4014 (srl GPRnopc:$src2, imm16:$sh)),
4015 (PKHTB GPRnopc:$src1, GPRnopc:$src2, imm16:$sh)>;
4016 def : ARMV6Pat<(or (and GPRnopc:$src1, 0xFFFF0000),
4017 (sra GPRnopc:$src2, imm16_31:$sh)),
4018 (PKHTB GPRnopc:$src1, GPRnopc:$src2, imm16_31:$sh)>;
4019 def : ARMV6Pat<(or (and GPRnopc:$src1, 0xFFFF0000),
4020 (and (srl GPRnopc:$src2, imm1_15:$sh), 0xFFFF)),
4021 (PKHTB GPRnopc:$src1, GPRnopc:$src2, imm1_15:$sh)>;
4023 //===----------------------------------------------------------------------===//
4024 // Comparison Instructions...
4027 defm CMP : AI1_cmp_irs<0b1010, "cmp",
4028 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
4029 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
4031 // ARMcmpZ can re-use the above instruction definitions.
4032 def : ARMPat<(ARMcmpZ GPR:$src, so_imm:$imm),
4033 (CMPri GPR:$src, so_imm:$imm)>;
4034 def : ARMPat<(ARMcmpZ GPR:$src, GPR:$rhs),
4035 (CMPrr GPR:$src, GPR:$rhs)>;
4036 def : ARMPat<(ARMcmpZ GPR:$src, so_reg_imm:$rhs),
4037 (CMPrsi GPR:$src, so_reg_imm:$rhs)>;
4038 def : ARMPat<(ARMcmpZ GPR:$src, so_reg_reg:$rhs),
4039 (CMPrsr GPR:$src, so_reg_reg:$rhs)>;
4041 // CMN register-integer
4042 let isCompare = 1, Defs = [CPSR] in {
4043 def CMNri : AI1<0b1011, (outs), (ins GPR:$Rn, so_imm:$imm), DPFrm, IIC_iCMPi,
4044 "cmn", "\t$Rn, $imm",
4045 [(ARMcmn GPR:$Rn, so_imm:$imm)]>,
4046 Sched<[WriteCMP, ReadALU]> {
4051 let Inst{19-16} = Rn;
4052 let Inst{15-12} = 0b0000;
4053 let Inst{11-0} = imm;
4055 let Unpredictable{15-12} = 0b1111;
4058 // CMN register-register/shift
4059 def CMNzrr : AI1<0b1011, (outs), (ins GPR:$Rn, GPR:$Rm), DPFrm, IIC_iCMPr,
4060 "cmn", "\t$Rn, $Rm",
4061 [(BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>
4062 GPR:$Rn, GPR:$Rm)]>, Sched<[WriteCMP, ReadALU, ReadALU]> {
4065 let isCommutable = 1;
4068 let Inst{19-16} = Rn;
4069 let Inst{15-12} = 0b0000;
4070 let Inst{11-4} = 0b00000000;
4073 let Unpredictable{15-12} = 0b1111;
4076 def CMNzrsi : AI1<0b1011, (outs),
4077 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm, IIC_iCMPsr,
4078 "cmn", "\t$Rn, $shift",
4079 [(BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>
4080 GPR:$Rn, so_reg_imm:$shift)]>,
4081 Sched<[WriteCMPsi, ReadALU]> {
4086 let Inst{19-16} = Rn;
4087 let Inst{15-12} = 0b0000;
4088 let Inst{11-5} = shift{11-5};
4090 let Inst{3-0} = shift{3-0};
4092 let Unpredictable{15-12} = 0b1111;
4095 def CMNzrsr : AI1<0b1011, (outs),
4096 (ins GPRnopc:$Rn, so_reg_reg:$shift), DPSoRegRegFrm, IIC_iCMPsr,
4097 "cmn", "\t$Rn, $shift",
4098 [(BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>
4099 GPRnopc:$Rn, so_reg_reg:$shift)]>,
4100 Sched<[WriteCMPsr, ReadALU]> {
4105 let Inst{19-16} = Rn;
4106 let Inst{15-12} = 0b0000;
4107 let Inst{11-8} = shift{11-8};
4109 let Inst{6-5} = shift{6-5};
4111 let Inst{3-0} = shift{3-0};
4113 let Unpredictable{15-12} = 0b1111;
4118 def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
4119 (CMNri GPR:$src, so_imm_neg:$imm)>;
4121 def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
4122 (CMNri GPR:$src, so_imm_neg:$imm)>;
4124 // Note that TST/TEQ don't set all the same flags that CMP does!
4125 defm TST : AI1_cmp_irs<0b1000, "tst",
4126 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
4127 BinOpFrag<(ARMcmpZ (and_su node:$LHS, node:$RHS), 0)>, 1>;
4128 defm TEQ : AI1_cmp_irs<0b1001, "teq",
4129 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
4130 BinOpFrag<(ARMcmpZ (xor_su node:$LHS, node:$RHS), 0)>, 1>;
4132 // Pseudo i64 compares for some floating point compares.
4133 let usesCustomInserter = 1, isBranch = 1, isTerminator = 1,
4135 def BCCi64 : PseudoInst<(outs),
4136 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, brtarget:$dst),
4138 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, bb:$dst)]>,
4141 def BCCZi64 : PseudoInst<(outs),
4142 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, brtarget:$dst), IIC_Br,
4143 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, 0, 0, bb:$dst)]>,
4145 } // usesCustomInserter
4148 // Conditional moves
4149 let neverHasSideEffects = 1 in {
4151 let isCommutable = 1, isSelect = 1 in
4152 def MOVCCr : ARMPseudoInst<(outs GPR:$Rd),
4153 (ins GPR:$false, GPR:$Rm, cmovpred:$p),
4155 [(set GPR:$Rd, (ARMcmov GPR:$false, GPR:$Rm,
4157 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4159 def MOVCCsi : ARMPseudoInst<(outs GPR:$Rd),
4160 (ins GPR:$false, so_reg_imm:$shift, cmovpred:$p),
4163 (ARMcmov GPR:$false, so_reg_imm:$shift,
4165 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4166 def MOVCCsr : ARMPseudoInst<(outs GPR:$Rd),
4167 (ins GPR:$false, so_reg_reg:$shift, cmovpred:$p),
4169 [(set GPR:$Rd, (ARMcmov GPR:$false, so_reg_reg:$shift,
4171 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4174 let isMoveImm = 1 in
4176 : ARMPseudoInst<(outs GPR:$Rd),
4177 (ins GPR:$false, imm0_65535_expr:$imm, cmovpred:$p),
4179 [(set GPR:$Rd, (ARMcmov GPR:$false, imm0_65535:$imm,
4181 RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>,
4184 let isMoveImm = 1 in
4185 def MOVCCi : ARMPseudoInst<(outs GPR:$Rd),
4186 (ins GPR:$false, so_imm:$imm, cmovpred:$p),
4188 [(set GPR:$Rd, (ARMcmov GPR:$false, so_imm:$imm,
4190 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4192 // Two instruction predicate mov immediate.
4193 let isMoveImm = 1 in
4195 : ARMPseudoInst<(outs GPR:$Rd),
4196 (ins GPR:$false, i32imm:$src, cmovpred:$p),
4198 [(set GPR:$Rd, (ARMcmov GPR:$false, imm:$src,
4200 RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>;
4202 let isMoveImm = 1 in
4203 def MVNCCi : ARMPseudoInst<(outs GPR:$Rd),
4204 (ins GPR:$false, so_imm:$imm, cmovpred:$p),
4206 [(set GPR:$Rd, (ARMcmov GPR:$false, so_imm_not:$imm,
4208 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4210 } // neverHasSideEffects
4213 //===----------------------------------------------------------------------===//
4214 // Atomic operations intrinsics
4217 def MemBarrierOptOperand : AsmOperandClass {
4218 let Name = "MemBarrierOpt";
4219 let ParserMethod = "parseMemBarrierOptOperand";
4221 def memb_opt : Operand<i32> {
4222 let PrintMethod = "printMemBOption";
4223 let ParserMatchClass = MemBarrierOptOperand;
4224 let DecoderMethod = "DecodeMemBarrierOption";
4227 def InstSyncBarrierOptOperand : AsmOperandClass {
4228 let Name = "InstSyncBarrierOpt";
4229 let ParserMethod = "parseInstSyncBarrierOptOperand";
4231 def instsyncb_opt : Operand<i32> {
4232 let PrintMethod = "printInstSyncBOption";
4233 let ParserMatchClass = InstSyncBarrierOptOperand;
4234 let DecoderMethod = "DecodeInstSyncBarrierOption";
4237 // memory barriers protect the atomic sequences
4238 let hasSideEffects = 1 in {
4239 def DMB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
4240 "dmb", "\t$opt", [(ARMMemBarrier (i32 imm:$opt))]>,
4241 Requires<[IsARM, HasDB]> {
4243 let Inst{31-4} = 0xf57ff05;
4244 let Inst{3-0} = opt;
4248 def DSB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
4249 "dsb", "\t$opt", []>,
4250 Requires<[IsARM, HasDB]> {
4252 let Inst{31-4} = 0xf57ff04;
4253 let Inst{3-0} = opt;
4256 // ISB has only full system option
4257 def ISB : AInoP<(outs), (ins instsyncb_opt:$opt), MiscFrm, NoItinerary,
4258 "isb", "\t$opt", []>,
4259 Requires<[IsARM, HasDB]> {
4261 let Inst{31-4} = 0xf57ff06;
4262 let Inst{3-0} = opt;
4265 // Pseudo instruction that combines movs + predicated rsbmi
4266 // to implement integer ABS
4267 let usesCustomInserter = 1, Defs = [CPSR] in
4268 def ABS : ARMPseudoInst<(outs GPR:$dst), (ins GPR:$src), 8, NoItinerary, []>;
4270 let usesCustomInserter = 1 in {
4271 let Defs = [CPSR] in {
4272 def ATOMIC_LOAD_ADD_I8 : PseudoInst<
4273 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4274 [(set GPR:$dst, (atomic_load_add_8 GPR:$ptr, GPR:$incr))]>;
4275 def ATOMIC_LOAD_SUB_I8 : PseudoInst<
4276 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4277 [(set GPR:$dst, (atomic_load_sub_8 GPR:$ptr, GPR:$incr))]>;
4278 def ATOMIC_LOAD_AND_I8 : PseudoInst<
4279 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4280 [(set GPR:$dst, (atomic_load_and_8 GPR:$ptr, GPR:$incr))]>;
4281 def ATOMIC_LOAD_OR_I8 : PseudoInst<
4282 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4283 [(set GPR:$dst, (atomic_load_or_8 GPR:$ptr, GPR:$incr))]>;
4284 def ATOMIC_LOAD_XOR_I8 : PseudoInst<
4285 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4286 [(set GPR:$dst, (atomic_load_xor_8 GPR:$ptr, GPR:$incr))]>;
4287 def ATOMIC_LOAD_NAND_I8 : PseudoInst<
4288 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4289 [(set GPR:$dst, (atomic_load_nand_8 GPR:$ptr, GPR:$incr))]>;
4290 def ATOMIC_LOAD_MIN_I8 : PseudoInst<
4291 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4292 [(set GPR:$dst, (atomic_load_min_8 GPR:$ptr, GPR:$val))]>;
4293 def ATOMIC_LOAD_MAX_I8 : PseudoInst<
4294 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4295 [(set GPR:$dst, (atomic_load_max_8 GPR:$ptr, GPR:$val))]>;
4296 def ATOMIC_LOAD_UMIN_I8 : PseudoInst<
4297 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4298 [(set GPR:$dst, (atomic_load_umin_8 GPR:$ptr, GPR:$val))]>;
4299 def ATOMIC_LOAD_UMAX_I8 : PseudoInst<
4300 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4301 [(set GPR:$dst, (atomic_load_umax_8 GPR:$ptr, GPR:$val))]>;
4302 def ATOMIC_LOAD_ADD_I16 : PseudoInst<
4303 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4304 [(set GPR:$dst, (atomic_load_add_16 GPR:$ptr, GPR:$incr))]>;
4305 def ATOMIC_LOAD_SUB_I16 : PseudoInst<
4306 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4307 [(set GPR:$dst, (atomic_load_sub_16 GPR:$ptr, GPR:$incr))]>;
4308 def ATOMIC_LOAD_AND_I16 : PseudoInst<
4309 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4310 [(set GPR:$dst, (atomic_load_and_16 GPR:$ptr, GPR:$incr))]>;
4311 def ATOMIC_LOAD_OR_I16 : PseudoInst<
4312 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4313 [(set GPR:$dst, (atomic_load_or_16 GPR:$ptr, GPR:$incr))]>;
4314 def ATOMIC_LOAD_XOR_I16 : PseudoInst<
4315 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4316 [(set GPR:$dst, (atomic_load_xor_16 GPR:$ptr, GPR:$incr))]>;
4317 def ATOMIC_LOAD_NAND_I16 : PseudoInst<
4318 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4319 [(set GPR:$dst, (atomic_load_nand_16 GPR:$ptr, GPR:$incr))]>;
4320 def ATOMIC_LOAD_MIN_I16 : PseudoInst<
4321 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4322 [(set GPR:$dst, (atomic_load_min_16 GPR:$ptr, GPR:$val))]>;
4323 def ATOMIC_LOAD_MAX_I16 : PseudoInst<
4324 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4325 [(set GPR:$dst, (atomic_load_max_16 GPR:$ptr, GPR:$val))]>;
4326 def ATOMIC_LOAD_UMIN_I16 : PseudoInst<
4327 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4328 [(set GPR:$dst, (atomic_load_umin_16 GPR:$ptr, GPR:$val))]>;
4329 def ATOMIC_LOAD_UMAX_I16 : PseudoInst<
4330 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4331 [(set GPR:$dst, (atomic_load_umax_16 GPR:$ptr, GPR:$val))]>;
4332 def ATOMIC_LOAD_ADD_I32 : PseudoInst<
4333 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4334 [(set GPR:$dst, (atomic_load_add_32 GPR:$ptr, GPR:$incr))]>;
4335 def ATOMIC_LOAD_SUB_I32 : PseudoInst<
4336 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4337 [(set GPR:$dst, (atomic_load_sub_32 GPR:$ptr, GPR:$incr))]>;
4338 def ATOMIC_LOAD_AND_I32 : PseudoInst<
4339 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4340 [(set GPR:$dst, (atomic_load_and_32 GPR:$ptr, GPR:$incr))]>;
4341 def ATOMIC_LOAD_OR_I32 : PseudoInst<
4342 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4343 [(set GPR:$dst, (atomic_load_or_32 GPR:$ptr, GPR:$incr))]>;
4344 def ATOMIC_LOAD_XOR_I32 : PseudoInst<
4345 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4346 [(set GPR:$dst, (atomic_load_xor_32 GPR:$ptr, GPR:$incr))]>;
4347 def ATOMIC_LOAD_NAND_I32 : PseudoInst<
4348 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4349 [(set GPR:$dst, (atomic_load_nand_32 GPR:$ptr, GPR:$incr))]>;
4350 def ATOMIC_LOAD_MIN_I32 : PseudoInst<
4351 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4352 [(set GPR:$dst, (atomic_load_min_32 GPR:$ptr, GPR:$val))]>;
4353 def ATOMIC_LOAD_MAX_I32 : PseudoInst<
4354 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4355 [(set GPR:$dst, (atomic_load_max_32 GPR:$ptr, GPR:$val))]>;
4356 def ATOMIC_LOAD_UMIN_I32 : PseudoInst<
4357 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4358 [(set GPR:$dst, (atomic_load_umin_32 GPR:$ptr, GPR:$val))]>;
4359 def ATOMIC_LOAD_UMAX_I32 : PseudoInst<
4360 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4361 [(set GPR:$dst, (atomic_load_umax_32 GPR:$ptr, GPR:$val))]>;
4363 def ATOMIC_SWAP_I8 : PseudoInst<
4364 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
4365 [(set GPR:$dst, (atomic_swap_8 GPR:$ptr, GPR:$new))]>;
4366 def ATOMIC_SWAP_I16 : PseudoInst<
4367 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
4368 [(set GPR:$dst, (atomic_swap_16 GPR:$ptr, GPR:$new))]>;
4369 def ATOMIC_SWAP_I32 : PseudoInst<
4370 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
4371 [(set GPR:$dst, (atomic_swap_32 GPR:$ptr, GPR:$new))]>;
4373 def ATOMIC_CMP_SWAP_I8 : PseudoInst<
4374 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
4375 [(set GPR:$dst, (atomic_cmp_swap_8 GPR:$ptr, GPR:$old, GPR:$new))]>;
4376 def ATOMIC_CMP_SWAP_I16 : PseudoInst<
4377 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
4378 [(set GPR:$dst, (atomic_cmp_swap_16 GPR:$ptr, GPR:$old, GPR:$new))]>;
4379 def ATOMIC_CMP_SWAP_I32 : PseudoInst<
4380 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
4381 [(set GPR:$dst, (atomic_cmp_swap_32 GPR:$ptr, GPR:$old, GPR:$new))]>;
4385 let usesCustomInserter = 1 in {
4386 def COPY_STRUCT_BYVAL_I32 : PseudoInst<
4387 (outs), (ins GPR:$dst, GPR:$src, i32imm:$size, i32imm:$alignment),
4389 [(ARMcopystructbyval GPR:$dst, GPR:$src, imm:$size, imm:$alignment)]>;
4392 def ldrex_1 : PatFrag<(ops node:$ptr), (int_arm_ldrex node:$ptr), [{
4393 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i8;
4396 def ldrex_2 : PatFrag<(ops node:$ptr), (int_arm_ldrex node:$ptr), [{
4397 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i16;
4400 def ldrex_4 : PatFrag<(ops node:$ptr), (int_arm_ldrex node:$ptr), [{
4401 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i32;
4404 def strex_1 : PatFrag<(ops node:$val, node:$ptr),
4405 (int_arm_strex node:$val, node:$ptr), [{
4406 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i8;
4409 def strex_2 : PatFrag<(ops node:$val, node:$ptr),
4410 (int_arm_strex node:$val, node:$ptr), [{
4411 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i16;
4414 def strex_4 : PatFrag<(ops node:$val, node:$ptr),
4415 (int_arm_strex node:$val, node:$ptr), [{
4416 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i32;
4419 let mayLoad = 1 in {
4420 def LDREXB : AIldrex<0b10, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4422 "ldrexb", "\t$Rt, $addr",
4423 [(set GPR:$Rt, (ldrex_1 addr_offset_none:$addr))]>;
4424 def LDREXH : AIldrex<0b11, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4425 NoItinerary, "ldrexh", "\t$Rt, $addr",
4426 [(set GPR:$Rt, (ldrex_2 addr_offset_none:$addr))]>;
4427 def LDREX : AIldrex<0b00, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4428 NoItinerary, "ldrex", "\t$Rt, $addr",
4429 [(set GPR:$Rt, (ldrex_4 addr_offset_none:$addr))]>;
4430 let hasExtraDefRegAllocReq = 1 in
4431 def LDREXD: AIldrex<0b01, (outs GPRPairOp:$Rt),(ins addr_offset_none:$addr),
4432 NoItinerary, "ldrexd", "\t$Rt, $addr", []> {
4433 let DecoderMethod = "DecodeDoubleRegLoad";
4437 let mayStore = 1, Constraints = "@earlyclobber $Rd" in {
4438 def STREXB: AIstrex<0b10, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4439 NoItinerary, "strexb", "\t$Rd, $Rt, $addr",
4440 [(set GPR:$Rd, (strex_1 GPR:$Rt, addr_offset_none:$addr))]>;
4441 def STREXH: AIstrex<0b11, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4442 NoItinerary, "strexh", "\t$Rd, $Rt, $addr",
4443 [(set GPR:$Rd, (strex_2 GPR:$Rt, addr_offset_none:$addr))]>;
4444 def STREX : AIstrex<0b00, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4445 NoItinerary, "strex", "\t$Rd, $Rt, $addr",
4446 [(set GPR:$Rd, (strex_4 GPR:$Rt, addr_offset_none:$addr))]>;
4447 let hasExtraSrcRegAllocReq = 1 in
4448 def STREXD : AIstrex<0b01, (outs GPR:$Rd),
4449 (ins GPRPairOp:$Rt, addr_offset_none:$addr),
4450 NoItinerary, "strexd", "\t$Rd, $Rt, $addr", []> {
4451 let DecoderMethod = "DecodeDoubleRegStore";
4456 def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex",
4458 Requires<[IsARM, HasV7]> {
4459 let Inst{31-0} = 0b11110101011111111111000000011111;
4462 def : ARMPat<(and (ldrex_1 addr_offset_none:$addr), 0xff),
4463 (LDREXB addr_offset_none:$addr)>;
4464 def : ARMPat<(and (ldrex_2 addr_offset_none:$addr), 0xffff),
4465 (LDREXH addr_offset_none:$addr)>;
4466 def : ARMPat<(strex_1 (and GPR:$Rt, 0xff), addr_offset_none:$addr),
4467 (STREXB GPR:$Rt, addr_offset_none:$addr)>;
4468 def : ARMPat<(strex_2 (and GPR:$Rt, 0xffff), addr_offset_none:$addr),
4469 (STREXH GPR:$Rt, addr_offset_none:$addr)>;
4471 // SWP/SWPB are deprecated in V6/V7.
4472 let mayLoad = 1, mayStore = 1 in {
4473 def SWP : AIswp<0, (outs GPRnopc:$Rt),
4474 (ins GPRnopc:$Rt2, addr_offset_none:$addr), "swp", []>,
4476 def SWPB: AIswp<1, (outs GPRnopc:$Rt),
4477 (ins GPRnopc:$Rt2, addr_offset_none:$addr), "swpb", []>,
4481 //===----------------------------------------------------------------------===//
4482 // Coprocessor Instructions.
4485 def CDP : ABI<0b1110, (outs), (ins p_imm:$cop, imm0_15:$opc1,
4486 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, imm0_7:$opc2),
4487 NoItinerary, "cdp", "\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
4488 [(int_arm_cdp imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
4489 imm:$CRm, imm:$opc2)]> {
4497 let Inst{3-0} = CRm;
4499 let Inst{7-5} = opc2;
4500 let Inst{11-8} = cop;
4501 let Inst{15-12} = CRd;
4502 let Inst{19-16} = CRn;
4503 let Inst{23-20} = opc1;
4506 def CDP2 : ABXI<0b1110, (outs), (ins p_imm:$cop, imm0_15:$opc1,
4507 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, imm0_7:$opc2),
4508 NoItinerary, "cdp2\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
4509 [(int_arm_cdp2 imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
4510 imm:$CRm, imm:$opc2)]> {
4511 let Inst{31-28} = 0b1111;
4519 let Inst{3-0} = CRm;
4521 let Inst{7-5} = opc2;
4522 let Inst{11-8} = cop;
4523 let Inst{15-12} = CRd;
4524 let Inst{19-16} = CRn;
4525 let Inst{23-20} = opc1;
4528 class ACI<dag oops, dag iops, string opc, string asm,
4529 IndexMode im = IndexModeNone>
4530 : I<oops, iops, AddrModeNone, 4, im, BrFrm, NoItinerary,
4532 let Inst{27-25} = 0b110;
4534 class ACInoP<dag oops, dag iops, string opc, string asm,
4535 IndexMode im = IndexModeNone>
4536 : InoP<oops, iops, AddrModeNone, 4, im, BrFrm, NoItinerary,
4538 let Inst{31-28} = 0b1111;
4539 let Inst{27-25} = 0b110;
4541 multiclass LdStCop<bit load, bit Dbit, string asm> {
4542 def _OFFSET : ACI<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5:$addr),
4543 asm, "\t$cop, $CRd, $addr"> {
4547 let Inst{24} = 1; // P = 1
4548 let Inst{23} = addr{8};
4549 let Inst{22} = Dbit;
4550 let Inst{21} = 0; // W = 0
4551 let Inst{20} = load;
4552 let Inst{19-16} = addr{12-9};
4553 let Inst{15-12} = CRd;
4554 let Inst{11-8} = cop;
4555 let Inst{7-0} = addr{7-0};
4556 let DecoderMethod = "DecodeCopMemInstruction";
4558 def _PRE : ACI<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5_pre:$addr),
4559 asm, "\t$cop, $CRd, $addr!", IndexModePre> {
4563 let Inst{24} = 1; // P = 1
4564 let Inst{23} = addr{8};
4565 let Inst{22} = Dbit;
4566 let Inst{21} = 1; // W = 1
4567 let Inst{20} = load;
4568 let Inst{19-16} = addr{12-9};
4569 let Inst{15-12} = CRd;
4570 let Inst{11-8} = cop;
4571 let Inst{7-0} = addr{7-0};
4572 let DecoderMethod = "DecodeCopMemInstruction";
4574 def _POST: ACI<(outs), (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
4575 postidx_imm8s4:$offset),
4576 asm, "\t$cop, $CRd, $addr, $offset", IndexModePost> {
4581 let Inst{24} = 0; // P = 0
4582 let Inst{23} = offset{8};
4583 let Inst{22} = Dbit;
4584 let Inst{21} = 1; // W = 1
4585 let Inst{20} = load;
4586 let Inst{19-16} = addr;
4587 let Inst{15-12} = CRd;
4588 let Inst{11-8} = cop;
4589 let Inst{7-0} = offset{7-0};
4590 let DecoderMethod = "DecodeCopMemInstruction";
4592 def _OPTION : ACI<(outs),
4593 (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
4594 coproc_option_imm:$option),
4595 asm, "\t$cop, $CRd, $addr, $option"> {
4600 let Inst{24} = 0; // P = 0
4601 let Inst{23} = 1; // U = 1
4602 let Inst{22} = Dbit;
4603 let Inst{21} = 0; // W = 0
4604 let Inst{20} = load;
4605 let Inst{19-16} = addr;
4606 let Inst{15-12} = CRd;
4607 let Inst{11-8} = cop;
4608 let Inst{7-0} = option;
4609 let DecoderMethod = "DecodeCopMemInstruction";
4612 multiclass LdSt2Cop<bit load, bit Dbit, string asm> {
4613 def _OFFSET : ACInoP<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5:$addr),
4614 asm, "\t$cop, $CRd, $addr"> {
4618 let Inst{24} = 1; // P = 1
4619 let Inst{23} = addr{8};
4620 let Inst{22} = Dbit;
4621 let Inst{21} = 0; // W = 0
4622 let Inst{20} = load;
4623 let Inst{19-16} = addr{12-9};
4624 let Inst{15-12} = CRd;
4625 let Inst{11-8} = cop;
4626 let Inst{7-0} = addr{7-0};
4627 let DecoderMethod = "DecodeCopMemInstruction";
4629 def _PRE : ACInoP<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5_pre:$addr),
4630 asm, "\t$cop, $CRd, $addr!", IndexModePre> {
4634 let Inst{24} = 1; // P = 1
4635 let Inst{23} = addr{8};
4636 let Inst{22} = Dbit;
4637 let Inst{21} = 1; // W = 1
4638 let Inst{20} = load;
4639 let Inst{19-16} = addr{12-9};
4640 let Inst{15-12} = CRd;
4641 let Inst{11-8} = cop;
4642 let Inst{7-0} = addr{7-0};
4643 let DecoderMethod = "DecodeCopMemInstruction";
4645 def _POST: ACInoP<(outs), (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
4646 postidx_imm8s4:$offset),
4647 asm, "\t$cop, $CRd, $addr, $offset", IndexModePost> {
4652 let Inst{24} = 0; // P = 0
4653 let Inst{23} = offset{8};
4654 let Inst{22} = Dbit;
4655 let Inst{21} = 1; // W = 1
4656 let Inst{20} = load;
4657 let Inst{19-16} = addr;
4658 let Inst{15-12} = CRd;
4659 let Inst{11-8} = cop;
4660 let Inst{7-0} = offset{7-0};
4661 let DecoderMethod = "DecodeCopMemInstruction";
4663 def _OPTION : ACInoP<(outs),
4664 (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
4665 coproc_option_imm:$option),
4666 asm, "\t$cop, $CRd, $addr, $option"> {
4671 let Inst{24} = 0; // P = 0
4672 let Inst{23} = 1; // U = 1
4673 let Inst{22} = Dbit;
4674 let Inst{21} = 0; // W = 0
4675 let Inst{20} = load;
4676 let Inst{19-16} = addr;
4677 let Inst{15-12} = CRd;
4678 let Inst{11-8} = cop;
4679 let Inst{7-0} = option;
4680 let DecoderMethod = "DecodeCopMemInstruction";
4684 defm LDC : LdStCop <1, 0, "ldc">;
4685 defm LDCL : LdStCop <1, 1, "ldcl">;
4686 defm STC : LdStCop <0, 0, "stc">;
4687 defm STCL : LdStCop <0, 1, "stcl">;
4688 defm LDC2 : LdSt2Cop<1, 0, "ldc2">;
4689 defm LDC2L : LdSt2Cop<1, 1, "ldc2l">;
4690 defm STC2 : LdSt2Cop<0, 0, "stc2">;
4691 defm STC2L : LdSt2Cop<0, 1, "stc2l">;
4693 //===----------------------------------------------------------------------===//
4694 // Move between coprocessor and ARM core register.
4697 class MovRCopro<string opc, bit direction, dag oops, dag iops,
4699 : ABI<0b1110, oops, iops, NoItinerary, opc,
4700 "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2", pattern> {
4701 let Inst{20} = direction;
4711 let Inst{15-12} = Rt;
4712 let Inst{11-8} = cop;
4713 let Inst{23-21} = opc1;
4714 let Inst{7-5} = opc2;
4715 let Inst{3-0} = CRm;
4716 let Inst{19-16} = CRn;
4719 def MCR : MovRCopro<"mcr", 0 /* from ARM core register to coprocessor */,
4721 (ins p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
4722 c_imm:$CRm, imm0_7:$opc2),
4723 [(int_arm_mcr imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
4724 imm:$CRm, imm:$opc2)]>;
4725 def : ARMInstAlias<"mcr${p} $cop, $opc1, $Rt, $CRn, $CRm",
4726 (MCR p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
4727 c_imm:$CRm, 0, pred:$p)>;
4728 def MRC : MovRCopro<"mrc", 1 /* from coprocessor to ARM core register */,
4729 (outs GPRwithAPSR:$Rt),
4730 (ins p_imm:$cop, imm0_7:$opc1, c_imm:$CRn, c_imm:$CRm,
4732 def : ARMInstAlias<"mrc${p} $cop, $opc1, $Rt, $CRn, $CRm",
4733 (MRC GPRwithAPSR:$Rt, p_imm:$cop, imm0_7:$opc1, c_imm:$CRn,
4734 c_imm:$CRm, 0, pred:$p)>;
4736 def : ARMPat<(int_arm_mrc imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2),
4737 (MRC imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
4739 class MovRCopro2<string opc, bit direction, dag oops, dag iops,
4741 : ABXI<0b1110, oops, iops, NoItinerary,
4742 !strconcat(opc, "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2"), pattern> {
4743 let Inst{31-24} = 0b11111110;
4744 let Inst{20} = direction;
4754 let Inst{15-12} = Rt;
4755 let Inst{11-8} = cop;
4756 let Inst{23-21} = opc1;
4757 let Inst{7-5} = opc2;
4758 let Inst{3-0} = CRm;
4759 let Inst{19-16} = CRn;
4762 def MCR2 : MovRCopro2<"mcr2", 0 /* from ARM core register to coprocessor */,
4764 (ins p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
4765 c_imm:$CRm, imm0_7:$opc2),
4766 [(int_arm_mcr2 imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
4767 imm:$CRm, imm:$opc2)]>;
4768 def : ARMInstAlias<"mcr2$ $cop, $opc1, $Rt, $CRn, $CRm",
4769 (MCR2 p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
4771 def MRC2 : MovRCopro2<"mrc2", 1 /* from coprocessor to ARM core register */,
4772 (outs GPRwithAPSR:$Rt),
4773 (ins p_imm:$cop, imm0_7:$opc1, c_imm:$CRn, c_imm:$CRm,
4775 def : ARMInstAlias<"mrc2$ $cop, $opc1, $Rt, $CRn, $CRm",
4776 (MRC2 GPRwithAPSR:$Rt, p_imm:$cop, imm0_7:$opc1, c_imm:$CRn,
4779 def : ARMV5TPat<(int_arm_mrc2 imm:$cop, imm:$opc1, imm:$CRn,
4780 imm:$CRm, imm:$opc2),
4781 (MRC2 imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
4783 class MovRRCopro<string opc, bit direction, list<dag> pattern = []>
4784 : ABI<0b1100, (outs), (ins p_imm:$cop, imm0_15:$opc1,
4785 GPRnopc:$Rt, GPRnopc:$Rt2, c_imm:$CRm),
4786 NoItinerary, opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm", pattern> {
4787 let Inst{23-21} = 0b010;
4788 let Inst{20} = direction;
4796 let Inst{15-12} = Rt;
4797 let Inst{19-16} = Rt2;
4798 let Inst{11-8} = cop;
4799 let Inst{7-4} = opc1;
4800 let Inst{3-0} = CRm;
4803 def MCRR : MovRRCopro<"mcrr", 0 /* from ARM core register to coprocessor */,
4804 [(int_arm_mcrr imm:$cop, imm:$opc1, GPRnopc:$Rt,
4805 GPRnopc:$Rt2, imm:$CRm)]>;
4806 def MRRC : MovRRCopro<"mrrc", 1 /* from coprocessor to ARM core register */>;
4808 class MovRRCopro2<string opc, bit direction, list<dag> pattern = []>
4809 : ABXI<0b1100, (outs), (ins p_imm:$cop, imm0_15:$opc1,
4810 GPRnopc:$Rt, GPRnopc:$Rt2, c_imm:$CRm), NoItinerary,
4811 !strconcat(opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm"), pattern> {
4812 let Inst{31-28} = 0b1111;
4813 let Inst{23-21} = 0b010;
4814 let Inst{20} = direction;
4822 let Inst{15-12} = Rt;
4823 let Inst{19-16} = Rt2;
4824 let Inst{11-8} = cop;
4825 let Inst{7-4} = opc1;
4826 let Inst{3-0} = CRm;
4828 let DecoderMethod = "DecodeMRRC2";
4831 def MCRR2 : MovRRCopro2<"mcrr2", 0 /* from ARM core register to coprocessor */,
4832 [(int_arm_mcrr2 imm:$cop, imm:$opc1, GPRnopc:$Rt,
4833 GPRnopc:$Rt2, imm:$CRm)]>;
4834 def MRRC2 : MovRRCopro2<"mrrc2", 1 /* from coprocessor to ARM core register */>;
4836 //===----------------------------------------------------------------------===//
4837 // Move between special register and ARM core register
4840 // Move to ARM core register from Special Register
4841 def MRS : ABI<0b0001, (outs GPRnopc:$Rd), (ins), NoItinerary,
4842 "mrs", "\t$Rd, apsr", []> {
4844 let Inst{23-16} = 0b00001111;
4845 let Unpredictable{19-17} = 0b111;
4847 let Inst{15-12} = Rd;
4849 let Inst{11-0} = 0b000000000000;
4850 let Unpredictable{11-0} = 0b110100001111;
4853 def : InstAlias<"mrs${p} $Rd, cpsr", (MRS GPRnopc:$Rd, pred:$p)>,
4856 // The MRSsys instruction is the MRS instruction from the ARM ARM,
4857 // section B9.3.9, with the R bit set to 1.
4858 def MRSsys : ABI<0b0001, (outs GPRnopc:$Rd), (ins), NoItinerary,
4859 "mrs", "\t$Rd, spsr", []> {
4861 let Inst{23-16} = 0b01001111;
4862 let Unpredictable{19-16} = 0b1111;
4864 let Inst{15-12} = Rd;
4866 let Inst{11-0} = 0b000000000000;
4867 let Unpredictable{11-0} = 0b110100001111;
4870 // Move from ARM core register to Special Register
4872 // No need to have both system and application versions, the encodings are the
4873 // same and the assembly parser has no way to distinguish between them. The mask
4874 // operand contains the special register (R Bit) in bit 4 and bits 3-0 contains
4875 // the mask with the fields to be accessed in the special register.
4876 def MSR : ABI<0b0001, (outs), (ins msr_mask:$mask, GPR:$Rn), NoItinerary,
4877 "msr", "\t$mask, $Rn", []> {
4882 let Inst{22} = mask{4}; // R bit
4883 let Inst{21-20} = 0b10;
4884 let Inst{19-16} = mask{3-0};
4885 let Inst{15-12} = 0b1111;
4886 let Inst{11-4} = 0b00000000;
4890 def MSRi : ABI<0b0011, (outs), (ins msr_mask:$mask, so_imm:$a), NoItinerary,
4891 "msr", "\t$mask, $a", []> {
4896 let Inst{22} = mask{4}; // R bit
4897 let Inst{21-20} = 0b10;
4898 let Inst{19-16} = mask{3-0};
4899 let Inst{15-12} = 0b1111;
4903 //===----------------------------------------------------------------------===//
4907 // __aeabi_read_tp preserves the registers r1-r3.
4908 // This is a pseudo inst so that we can get the encoding right,
4909 // complete with fixup for the aeabi_read_tp function.
4911 Defs = [R0, R12, LR, CPSR], Uses = [SP] in {
4912 def TPsoft : PseudoInst<(outs), (ins), IIC_Br,
4913 [(set R0, ARMthread_pointer)]>, Sched<[WriteBr]>;
4916 //===----------------------------------------------------------------------===//
4917 // SJLJ Exception handling intrinsics
4918 // eh_sjlj_setjmp() is an instruction sequence to store the return
4919 // address and save #0 in R0 for the non-longjmp case.
4920 // Since by its nature we may be coming from some other function to get
4921 // here, and we're using the stack frame for the containing function to
4922 // save/restore registers, we can't keep anything live in regs across
4923 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
4924 // when we get here from a longjmp(). We force everything out of registers
4925 // except for our own input by listing the relevant registers in Defs. By
4926 // doing so, we also cause the prologue/epilogue code to actively preserve
4927 // all of the callee-saved resgisters, which is exactly what we want.
4928 // A constant value is passed in $val, and we use the location as a scratch.
4930 // These are pseudo-instructions and are lowered to individual MC-insts, so
4931 // no encoding information is necessary.
4933 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR,
4934 Q0, Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8, Q9, Q10, Q11, Q12, Q13, Q14, Q15 ],
4935 hasSideEffects = 1, isBarrier = 1, usesCustomInserter = 1 in {
4936 def Int_eh_sjlj_setjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
4938 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
4939 Requires<[IsARM, HasVFP2]>;
4943 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR ],
4944 hasSideEffects = 1, isBarrier = 1, usesCustomInserter = 1 in {
4945 def Int_eh_sjlj_setjmp_nofp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
4947 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
4948 Requires<[IsARM, NoVFP]>;
4951 // FIXME: Non-IOS version(s)
4952 let isBarrier = 1, hasSideEffects = 1, isTerminator = 1,
4953 Defs = [ R7, LR, SP ] in {
4954 def Int_eh_sjlj_longjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$scratch),
4956 [(ARMeh_sjlj_longjmp GPR:$src, GPR:$scratch)]>,
4957 Requires<[IsARM, IsIOS]>;
4960 // eh.sjlj.dispatchsetup pseudo-instruction.
4961 // This pseudo is used for both ARM and Thumb. Any differences are handled when
4962 // the pseudo is expanded (which happens before any passes that need the
4963 // instruction size).
4964 let isBarrier = 1 in
4965 def Int_eh_sjlj_dispatchsetup : PseudoInst<(outs), (ins), NoItinerary, []>;
4968 //===----------------------------------------------------------------------===//
4969 // Non-Instruction Patterns
4972 // ARMv4 indirect branch using (MOVr PC, dst)
4973 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in
4974 def MOVPCRX : ARMPseudoExpand<(outs), (ins GPR:$dst),
4975 4, IIC_Br, [(brind GPR:$dst)],
4976 (MOVr PC, GPR:$dst, (ops 14, zero_reg), zero_reg)>,
4977 Requires<[IsARM, NoV4T]>, Sched<[WriteBr]>;
4979 // Large immediate handling.
4981 // 32-bit immediate using two piece so_imms or movw + movt.
4982 // This is a single pseudo instruction, the benefit is that it can be remat'd
4983 // as a single unit instead of having to handle reg inputs.
4984 // FIXME: Remove this when we can do generalized remat.
4985 let isReMaterializable = 1, isMoveImm = 1 in
4986 def MOVi32imm : PseudoInst<(outs GPR:$dst), (ins i32imm:$src), IIC_iMOVix2,
4987 [(set GPR:$dst, (arm_i32imm:$src))]>,
4990 // Pseudo instruction that combines movw + movt + add pc (if PIC).
4991 // It also makes it possible to rematerialize the instructions.
4992 // FIXME: Remove this when we can do generalized remat and when machine licm
4993 // can properly the instructions.
4994 let isReMaterializable = 1 in {
4995 def MOV_ga_pcrel : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
4997 [(set GPR:$dst, (ARMWrapperPIC tglobaladdr:$addr))]>,
4998 Requires<[IsARM, UseMovt]>;
5000 def MOV_ga_dyn : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
5002 [(set GPR:$dst, (ARMWrapperDYN tglobaladdr:$addr))]>,
5003 Requires<[IsARM, UseMovt]>;
5005 let AddedComplexity = 10 in
5006 def MOV_ga_pcrel_ldr : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
5008 [(set GPR:$dst, (load (ARMWrapperPIC tglobaladdr:$addr)))]>,
5009 Requires<[IsARM, UseMovt]>;
5010 } // isReMaterializable
5012 // ConstantPool, GlobalAddress, and JumpTable
5013 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>,
5014 Requires<[IsARM, DontUseMovt]>;
5015 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
5016 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
5017 Requires<[IsARM, UseMovt]>;
5018 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
5019 (LEApcrelJT tjumptable:$dst, imm:$id)>;
5021 // TODO: add,sub,and, 3-instr forms?
5023 // Tail calls. These patterns also apply to Thumb mode.
5024 def : Pat<(ARMtcret tcGPR:$dst), (TCRETURNri tcGPR:$dst)>;
5025 def : Pat<(ARMtcret (i32 tglobaladdr:$dst)), (TCRETURNdi texternalsym:$dst)>;
5026 def : Pat<(ARMtcret (i32 texternalsym:$dst)), (TCRETURNdi texternalsym:$dst)>;
5029 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>;
5030 def : ARMPat<(ARMcall_nolink texternalsym:$func),
5031 (BMOVPCB_CALL texternalsym:$func)>;
5033 // zextload i1 -> zextload i8
5034 def : ARMPat<(zextloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
5035 def : ARMPat<(zextloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
5037 // extload -> zextload
5038 def : ARMPat<(extloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
5039 def : ARMPat<(extloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
5040 def : ARMPat<(extloadi8 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
5041 def : ARMPat<(extloadi8 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
5043 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
5045 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
5046 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
5049 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
5050 (sra (shl GPR:$b, (i32 16)), (i32 16))),
5051 (SMULBB GPR:$a, GPR:$b)>;
5052 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
5053 (SMULBB GPR:$a, GPR:$b)>;
5054 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
5055 (sra GPR:$b, (i32 16))),
5056 (SMULBT GPR:$a, GPR:$b)>;
5057 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
5058 (SMULBT GPR:$a, GPR:$b)>;
5059 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
5060 (sra (shl GPR:$b, (i32 16)), (i32 16))),
5061 (SMULTB GPR:$a, GPR:$b)>;
5062 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
5063 (SMULTB GPR:$a, GPR:$b)>;
5064 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
5066 (SMULWB GPR:$a, GPR:$b)>;
5067 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
5068 (SMULWB GPR:$a, GPR:$b)>;
5070 def : ARMV5MOPat<(add GPR:$acc,
5071 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
5072 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
5073 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
5074 def : ARMV5MOPat<(add GPR:$acc,
5075 (mul sext_16_node:$a, sext_16_node:$b)),
5076 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
5077 def : ARMV5MOPat<(add GPR:$acc,
5078 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
5079 (sra GPR:$b, (i32 16)))),
5080 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
5081 def : ARMV5MOPat<(add GPR:$acc,
5082 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
5083 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
5084 def : ARMV5MOPat<(add GPR:$acc,
5085 (mul (sra GPR:$a, (i32 16)),
5086 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
5087 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
5088 def : ARMV5MOPat<(add GPR:$acc,
5089 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
5090 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
5091 def : ARMV5MOPat<(add GPR:$acc,
5092 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
5094 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
5095 def : ARMV5MOPat<(add GPR:$acc,
5096 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
5097 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
5100 // Pre-v7 uses MCR for synchronization barriers.
5101 def : ARMPat<(ARMMemBarrierMCR GPR:$zero), (MCR 15, 0, GPR:$zero, 7, 10, 5)>,
5102 Requires<[IsARM, HasV6]>;
5104 // SXT/UXT with no rotate
5105 let AddedComplexity = 16 in {
5106 def : ARMV6Pat<(and GPR:$Src, 0x000000FF), (UXTB GPR:$Src, 0)>;
5107 def : ARMV6Pat<(and GPR:$Src, 0x0000FFFF), (UXTH GPR:$Src, 0)>;
5108 def : ARMV6Pat<(and GPR:$Src, 0x00FF00FF), (UXTB16 GPR:$Src, 0)>;
5109 def : ARMV6Pat<(add GPR:$Rn, (and GPR:$Rm, 0x00FF)),
5110 (UXTAB GPR:$Rn, GPR:$Rm, 0)>;
5111 def : ARMV6Pat<(add GPR:$Rn, (and GPR:$Rm, 0xFFFF)),
5112 (UXTAH GPR:$Rn, GPR:$Rm, 0)>;
5115 def : ARMV6Pat<(sext_inreg GPR:$Src, i8), (SXTB GPR:$Src, 0)>;
5116 def : ARMV6Pat<(sext_inreg GPR:$Src, i16), (SXTH GPR:$Src, 0)>;
5118 def : ARMV6Pat<(add GPR:$Rn, (sext_inreg GPRnopc:$Rm, i8)),
5119 (SXTAB GPR:$Rn, GPRnopc:$Rm, 0)>;
5120 def : ARMV6Pat<(add GPR:$Rn, (sext_inreg GPRnopc:$Rm, i16)),
5121 (SXTAH GPR:$Rn, GPRnopc:$Rm, 0)>;
5123 // Atomic load/store patterns
5124 def : ARMPat<(atomic_load_8 ldst_so_reg:$src),
5125 (LDRBrs ldst_so_reg:$src)>;
5126 def : ARMPat<(atomic_load_8 addrmode_imm12:$src),
5127 (LDRBi12 addrmode_imm12:$src)>;
5128 def : ARMPat<(atomic_load_16 addrmode3:$src),
5129 (LDRH addrmode3:$src)>;
5130 def : ARMPat<(atomic_load_32 ldst_so_reg:$src),
5131 (LDRrs ldst_so_reg:$src)>;
5132 def : ARMPat<(atomic_load_32 addrmode_imm12:$src),
5133 (LDRi12 addrmode_imm12:$src)>;
5134 def : ARMPat<(atomic_store_8 ldst_so_reg:$ptr, GPR:$val),
5135 (STRBrs GPR:$val, ldst_so_reg:$ptr)>;
5136 def : ARMPat<(atomic_store_8 addrmode_imm12:$ptr, GPR:$val),
5137 (STRBi12 GPR:$val, addrmode_imm12:$ptr)>;
5138 def : ARMPat<(atomic_store_16 addrmode3:$ptr, GPR:$val),
5139 (STRH GPR:$val, addrmode3:$ptr)>;
5140 def : ARMPat<(atomic_store_32 ldst_so_reg:$ptr, GPR:$val),
5141 (STRrs GPR:$val, ldst_so_reg:$ptr)>;
5142 def : ARMPat<(atomic_store_32 addrmode_imm12:$ptr, GPR:$val),
5143 (STRi12 GPR:$val, addrmode_imm12:$ptr)>;
5146 //===----------------------------------------------------------------------===//
5150 include "ARMInstrThumb.td"
5152 //===----------------------------------------------------------------------===//
5156 include "ARMInstrThumb2.td"
5158 //===----------------------------------------------------------------------===//
5159 // Floating Point Support
5162 include "ARMInstrVFP.td"
5164 //===----------------------------------------------------------------------===//
5165 // Advanced SIMD (NEON) Support
5168 include "ARMInstrNEON.td"
5170 //===----------------------------------------------------------------------===//
5171 // Assembler aliases
5175 def : InstAlias<"dmb", (DMB 0xf)>, Requires<[IsARM, HasDB]>;
5176 def : InstAlias<"dsb", (DSB 0xf)>, Requires<[IsARM, HasDB]>;
5177 def : InstAlias<"isb", (ISB 0xf)>, Requires<[IsARM, HasDB]>;
5179 // System instructions
5180 def : MnemonicAlias<"swi", "svc">;
5182 // Load / Store Multiple
5183 def : MnemonicAlias<"ldmfd", "ldm">;
5184 def : MnemonicAlias<"ldmia", "ldm">;
5185 def : MnemonicAlias<"ldmea", "ldmdb">;
5186 def : MnemonicAlias<"stmfd", "stmdb">;
5187 def : MnemonicAlias<"stmia", "stm">;
5188 def : MnemonicAlias<"stmea", "stm">;
5190 // PKHBT/PKHTB with default shift amount. PKHTB is equivalent to PKHBT when the
5191 // shift amount is zero (i.e., unspecified).
5192 def : InstAlias<"pkhbt${p} $Rd, $Rn, $Rm",
5193 (PKHBT GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, 0, pred:$p)>,
5194 Requires<[IsARM, HasV6]>;
5195 def : InstAlias<"pkhtb${p} $Rd, $Rn, $Rm",
5196 (PKHBT GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, 0, pred:$p)>,
5197 Requires<[IsARM, HasV6]>;
5199 // PUSH/POP aliases for STM/LDM
5200 def : ARMInstAlias<"push${p} $regs", (STMDB_UPD SP, pred:$p, reglist:$regs)>;
5201 def : ARMInstAlias<"pop${p} $regs", (LDMIA_UPD SP, pred:$p, reglist:$regs)>;
5203 // SSAT/USAT optional shift operand.
5204 def : ARMInstAlias<"ssat${p} $Rd, $sat_imm, $Rn",
5205 (SSAT GPRnopc:$Rd, imm1_32:$sat_imm, GPRnopc:$Rn, 0, pred:$p)>;
5206 def : ARMInstAlias<"usat${p} $Rd, $sat_imm, $Rn",
5207 (USAT GPRnopc:$Rd, imm0_31:$sat_imm, GPRnopc:$Rn, 0, pred:$p)>;
5210 // Extend instruction optional rotate operand.
5211 def : ARMInstAlias<"sxtab${p} $Rd, $Rn, $Rm",
5212 (SXTAB GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5213 def : ARMInstAlias<"sxtah${p} $Rd, $Rn, $Rm",
5214 (SXTAH GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5215 def : ARMInstAlias<"sxtab16${p} $Rd, $Rn, $Rm",
5216 (SXTAB16 GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5217 def : ARMInstAlias<"sxtb${p} $Rd, $Rm",
5218 (SXTB GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5219 def : ARMInstAlias<"sxtb16${p} $Rd, $Rm",
5220 (SXTB16 GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5221 def : ARMInstAlias<"sxth${p} $Rd, $Rm",
5222 (SXTH GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5224 def : ARMInstAlias<"uxtab${p} $Rd, $Rn, $Rm",
5225 (UXTAB GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5226 def : ARMInstAlias<"uxtah${p} $Rd, $Rn, $Rm",
5227 (UXTAH GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5228 def : ARMInstAlias<"uxtab16${p} $Rd, $Rn, $Rm",
5229 (UXTAB16 GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5230 def : ARMInstAlias<"uxtb${p} $Rd, $Rm",
5231 (UXTB GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5232 def : ARMInstAlias<"uxtb16${p} $Rd, $Rm",
5233 (UXTB16 GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5234 def : ARMInstAlias<"uxth${p} $Rd, $Rm",
5235 (UXTH GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5239 def : MnemonicAlias<"rfefa", "rfeda">;
5240 def : MnemonicAlias<"rfeea", "rfedb">;
5241 def : MnemonicAlias<"rfefd", "rfeia">;
5242 def : MnemonicAlias<"rfeed", "rfeib">;
5243 def : MnemonicAlias<"rfe", "rfeia">;
5246 def : MnemonicAlias<"srsfa", "srsib">;
5247 def : MnemonicAlias<"srsea", "srsia">;
5248 def : MnemonicAlias<"srsfd", "srsdb">;
5249 def : MnemonicAlias<"srsed", "srsda">;
5250 def : MnemonicAlias<"srs", "srsia">;
5253 def : MnemonicAlias<"qsubaddx", "qsax">;
5255 def : MnemonicAlias<"saddsubx", "sasx">;
5256 // SHASX == SHADDSUBX
5257 def : MnemonicAlias<"shaddsubx", "shasx">;
5258 // SHSAX == SHSUBADDX
5259 def : MnemonicAlias<"shsubaddx", "shsax">;
5261 def : MnemonicAlias<"ssubaddx", "ssax">;
5263 def : MnemonicAlias<"uaddsubx", "uasx">;
5264 // UHASX == UHADDSUBX
5265 def : MnemonicAlias<"uhaddsubx", "uhasx">;
5266 // UHSAX == UHSUBADDX
5267 def : MnemonicAlias<"uhsubaddx", "uhsax">;
5268 // UQASX == UQADDSUBX
5269 def : MnemonicAlias<"uqaddsubx", "uqasx">;
5270 // UQSAX == UQSUBADDX
5271 def : MnemonicAlias<"uqsubaddx", "uqsax">;
5273 def : MnemonicAlias<"usubaddx", "usax">;
5275 // "mov Rd, so_imm_not" can be handled via "mvn" in assembly, just like
5277 def : ARMInstAlias<"mov${s}${p} $Rd, $imm",
5278 (MVNi rGPR:$Rd, so_imm_not:$imm, pred:$p, cc_out:$s)>;
5279 def : ARMInstAlias<"mvn${s}${p} $Rd, $imm",
5280 (MOVi rGPR:$Rd, so_imm_not:$imm, pred:$p, cc_out:$s)>;
5281 // Same for AND <--> BIC
5282 def : ARMInstAlias<"bic${s}${p} $Rd, $Rn, $imm",
5283 (ANDri rGPR:$Rd, rGPR:$Rn, so_imm_not:$imm,
5284 pred:$p, cc_out:$s)>;
5285 def : ARMInstAlias<"bic${s}${p} $Rdn, $imm",
5286 (ANDri rGPR:$Rdn, rGPR:$Rdn, so_imm_not:$imm,
5287 pred:$p, cc_out:$s)>;
5288 def : ARMInstAlias<"and${s}${p} $Rd, $Rn, $imm",
5289 (BICri rGPR:$Rd, rGPR:$Rn, so_imm_not:$imm,
5290 pred:$p, cc_out:$s)>;
5291 def : ARMInstAlias<"and${s}${p} $Rdn, $imm",
5292 (BICri rGPR:$Rdn, rGPR:$Rdn, so_imm_not:$imm,
5293 pred:$p, cc_out:$s)>;
5295 // Likewise, "add Rd, so_imm_neg" -> sub
5296 def : ARMInstAlias<"add${s}${p} $Rd, $Rn, $imm",
5297 (SUBri GPR:$Rd, GPR:$Rn, so_imm_neg:$imm, pred:$p, cc_out:$s)>;
5298 def : ARMInstAlias<"add${s}${p} $Rd, $imm",
5299 (SUBri GPR:$Rd, GPR:$Rd, so_imm_neg:$imm, pred:$p, cc_out:$s)>;
5300 // Same for CMP <--> CMN via so_imm_neg
5301 def : ARMInstAlias<"cmp${p} $Rd, $imm",
5302 (CMNri rGPR:$Rd, so_imm_neg:$imm, pred:$p)>;
5303 def : ARMInstAlias<"cmn${p} $Rd, $imm",
5304 (CMPri rGPR:$Rd, so_imm_neg:$imm, pred:$p)>;
5306 // The shifter forms of the MOV instruction are aliased to the ASR, LSL,
5307 // LSR, ROR, and RRX instructions.
5308 // FIXME: We need C++ parser hooks to map the alias to the MOV
5309 // encoding. It seems we should be able to do that sort of thing
5310 // in tblgen, but it could get ugly.
5311 let TwoOperandAliasConstraint = "$Rm = $Rd" in {
5312 def ASRi : ARMAsmPseudo<"asr${s}${p} $Rd, $Rm, $imm",
5313 (ins GPR:$Rd, GPR:$Rm, imm0_32:$imm, pred:$p,
5315 def LSRi : ARMAsmPseudo<"lsr${s}${p} $Rd, $Rm, $imm",
5316 (ins GPR:$Rd, GPR:$Rm, imm0_32:$imm, pred:$p,
5318 def LSLi : ARMAsmPseudo<"lsl${s}${p} $Rd, $Rm, $imm",
5319 (ins GPR:$Rd, GPR:$Rm, imm0_31:$imm, pred:$p,
5321 def RORi : ARMAsmPseudo<"ror${s}${p} $Rd, $Rm, $imm",
5322 (ins GPR:$Rd, GPR:$Rm, imm0_31:$imm, pred:$p,
5325 def RRXi : ARMAsmPseudo<"rrx${s}${p} $Rd, $Rm",
5326 (ins GPR:$Rd, GPR:$Rm, pred:$p, cc_out:$s)>;
5327 let TwoOperandAliasConstraint = "$Rn = $Rd" in {
5328 def ASRr : ARMAsmPseudo<"asr${s}${p} $Rd, $Rn, $Rm",
5329 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5331 def LSRr : ARMAsmPseudo<"lsr${s}${p} $Rd, $Rn, $Rm",
5332 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5334 def LSLr : ARMAsmPseudo<"lsl${s}${p} $Rd, $Rn, $Rm",
5335 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5337 def RORr : ARMAsmPseudo<"ror${s}${p} $Rd, $Rn, $Rm",
5338 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5342 // "neg" is and alias for "rsb rd, rn, #0"
5343 def : ARMInstAlias<"neg${s}${p} $Rd, $Rm",
5344 (RSBri GPR:$Rd, GPR:$Rm, 0, pred:$p, cc_out:$s)>;
5346 // Pre-v6, 'mov r0, r0' was used as a NOP encoding.
5347 def : InstAlias<"nop${p}", (MOVr R0, R0, pred:$p, zero_reg)>,
5348 Requires<[IsARM, NoV6]>;
5350 // UMULL/SMULL are available on all arches, but the instruction definitions
5351 // need difference constraints pre-v6. Use these aliases for the assembly
5352 // parsing on pre-v6.
5353 def : InstAlias<"smull${s}${p} $RdLo, $RdHi, $Rn, $Rm",
5354 (SMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
5355 Requires<[IsARM, NoV6]>;
5356 def : InstAlias<"umull${s}${p} $RdLo, $RdHi, $Rn, $Rm",
5357 (UMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
5358 Requires<[IsARM, NoV6]>;
5360 // 'it' blocks in ARM mode just validate the predicates. The IT itself
5362 def ITasm : ARMAsmPseudo<"it$mask $cc", (ins it_pred:$cc, it_mask:$mask)>;