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 /// imm24b - True if the 32-bit immediate is encodable in 24 bits.
714 def Imm24bitAsmOperand: ImmAsmOperand { let Name = "Imm24bit"; }
715 def imm24b : Operand<i32>, ImmLeaf<i32, [{
716 return Imm >= 0 && Imm <= 0xffffff;
718 let ParserMatchClass = Imm24bitAsmOperand;
722 /// bf_inv_mask_imm predicate - An AND mask to clear an arbitrary width bitfield
724 def BitfieldAsmOperand : AsmOperandClass {
725 let Name = "Bitfield";
726 let ParserMethod = "parseBitfield";
729 def bf_inv_mask_imm : Operand<i32>,
731 return ARM::isBitFieldInvertedMask(N->getZExtValue());
733 let EncoderMethod = "getBitfieldInvertedMaskOpValue";
734 let PrintMethod = "printBitfieldInvMaskImmOperand";
735 let DecoderMethod = "DecodeBitfieldMaskOperand";
736 let ParserMatchClass = BitfieldAsmOperand;
739 def imm1_32_XFORM: SDNodeXForm<imm, [{
740 return CurDAG->getTargetConstant((int)N->getZExtValue() - 1, MVT::i32);
742 def Imm1_32AsmOperand: AsmOperandClass { let Name = "Imm1_32"; }
743 def imm1_32 : Operand<i32>, PatLeaf<(imm), [{
744 uint64_t Imm = N->getZExtValue();
745 return Imm > 0 && Imm <= 32;
748 let PrintMethod = "printImmPlusOneOperand";
749 let ParserMatchClass = Imm1_32AsmOperand;
752 def imm1_16_XFORM: SDNodeXForm<imm, [{
753 return CurDAG->getTargetConstant((int)N->getZExtValue() - 1, MVT::i32);
755 def Imm1_16AsmOperand: AsmOperandClass { let Name = "Imm1_16"; }
756 def imm1_16 : Operand<i32>, PatLeaf<(imm), [{ return Imm > 0 && Imm <= 16; }],
758 let PrintMethod = "printImmPlusOneOperand";
759 let ParserMatchClass = Imm1_16AsmOperand;
762 // Define ARM specific addressing modes.
763 // addrmode_imm12 := reg +/- imm12
765 def MemImm12OffsetAsmOperand : AsmOperandClass { let Name = "MemImm12Offset"; }
766 class AddrMode_Imm12 : Operand<i32>,
767 ComplexPattern<i32, 2, "SelectAddrModeImm12", []> {
768 // 12-bit immediate operand. Note that instructions using this encode
769 // #0 and #-0 differently. We flag #-0 as the magic value INT32_MIN. All other
770 // immediate values are as normal.
772 let EncoderMethod = "getAddrModeImm12OpValue";
773 let DecoderMethod = "DecodeAddrModeImm12Operand";
774 let ParserMatchClass = MemImm12OffsetAsmOperand;
775 let MIOperandInfo = (ops GPR:$base, i32imm:$offsimm);
778 def addrmode_imm12 : AddrMode_Imm12 {
779 let PrintMethod = "printAddrModeImm12Operand<false>";
782 def addrmode_imm12_pre : AddrMode_Imm12 {
783 let PrintMethod = "printAddrModeImm12Operand<true>";
786 // ldst_so_reg := reg +/- reg shop imm
788 def MemRegOffsetAsmOperand : AsmOperandClass { let Name = "MemRegOffset"; }
789 def ldst_so_reg : Operand<i32>,
790 ComplexPattern<i32, 3, "SelectLdStSOReg", []> {
791 let EncoderMethod = "getLdStSORegOpValue";
792 // FIXME: Simplify the printer
793 let PrintMethod = "printAddrMode2Operand";
794 let DecoderMethod = "DecodeSORegMemOperand";
795 let ParserMatchClass = MemRegOffsetAsmOperand;
796 let MIOperandInfo = (ops GPR:$base, GPRnopc:$offsreg, i32imm:$shift);
799 // postidx_imm8 := +/- [0,255]
802 // {8} 1 is imm8 is non-negative. 0 otherwise.
803 // {7-0} [0,255] imm8 value.
804 def PostIdxImm8AsmOperand : AsmOperandClass { let Name = "PostIdxImm8"; }
805 def postidx_imm8 : Operand<i32> {
806 let PrintMethod = "printPostIdxImm8Operand";
807 let ParserMatchClass = PostIdxImm8AsmOperand;
808 let MIOperandInfo = (ops i32imm);
811 // postidx_imm8s4 := +/- [0,1020]
814 // {8} 1 is imm8 is non-negative. 0 otherwise.
815 // {7-0} [0,255] imm8 value, scaled by 4.
816 def PostIdxImm8s4AsmOperand : AsmOperandClass { let Name = "PostIdxImm8s4"; }
817 def postidx_imm8s4 : Operand<i32> {
818 let PrintMethod = "printPostIdxImm8s4Operand";
819 let ParserMatchClass = PostIdxImm8s4AsmOperand;
820 let MIOperandInfo = (ops i32imm);
824 // postidx_reg := +/- reg
826 def PostIdxRegAsmOperand : AsmOperandClass {
827 let Name = "PostIdxReg";
828 let ParserMethod = "parsePostIdxReg";
830 def postidx_reg : Operand<i32> {
831 let EncoderMethod = "getPostIdxRegOpValue";
832 let DecoderMethod = "DecodePostIdxReg";
833 let PrintMethod = "printPostIdxRegOperand";
834 let ParserMatchClass = PostIdxRegAsmOperand;
835 let MIOperandInfo = (ops GPRnopc, i32imm);
839 // addrmode2 := reg +/- imm12
840 // := reg +/- reg shop imm
842 // FIXME: addrmode2 should be refactored the rest of the way to always
843 // use explicit imm vs. reg versions above (addrmode_imm12 and ldst_so_reg).
844 def AddrMode2AsmOperand : AsmOperandClass { let Name = "AddrMode2"; }
845 def addrmode2 : Operand<i32>,
846 ComplexPattern<i32, 3, "SelectAddrMode2", []> {
847 let EncoderMethod = "getAddrMode2OpValue";
848 let PrintMethod = "printAddrMode2Operand";
849 let ParserMatchClass = AddrMode2AsmOperand;
850 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
853 def PostIdxRegShiftedAsmOperand : AsmOperandClass {
854 let Name = "PostIdxRegShifted";
855 let ParserMethod = "parsePostIdxReg";
857 def am2offset_reg : Operand<i32>,
858 ComplexPattern<i32, 2, "SelectAddrMode2OffsetReg",
859 [], [SDNPWantRoot]> {
860 let EncoderMethod = "getAddrMode2OffsetOpValue";
861 let PrintMethod = "printAddrMode2OffsetOperand";
862 // When using this for assembly, it's always as a post-index offset.
863 let ParserMatchClass = PostIdxRegShiftedAsmOperand;
864 let MIOperandInfo = (ops GPRnopc, i32imm);
867 // FIXME: am2offset_imm should only need the immediate, not the GPR. Having
868 // the GPR is purely vestigal at this point.
869 def AM2OffsetImmAsmOperand : AsmOperandClass { let Name = "AM2OffsetImm"; }
870 def am2offset_imm : Operand<i32>,
871 ComplexPattern<i32, 2, "SelectAddrMode2OffsetImm",
872 [], [SDNPWantRoot]> {
873 let EncoderMethod = "getAddrMode2OffsetOpValue";
874 let PrintMethod = "printAddrMode2OffsetOperand";
875 let ParserMatchClass = AM2OffsetImmAsmOperand;
876 let MIOperandInfo = (ops GPRnopc, i32imm);
880 // addrmode3 := reg +/- reg
881 // addrmode3 := reg +/- imm8
883 // FIXME: split into imm vs. reg versions.
884 def AddrMode3AsmOperand : AsmOperandClass { let Name = "AddrMode3"; }
885 class AddrMode3 : Operand<i32>,
886 ComplexPattern<i32, 3, "SelectAddrMode3", []> {
887 let EncoderMethod = "getAddrMode3OpValue";
888 let ParserMatchClass = AddrMode3AsmOperand;
889 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
892 def addrmode3 : AddrMode3
894 let PrintMethod = "printAddrMode3Operand<false>";
897 def addrmode3_pre : AddrMode3
899 let PrintMethod = "printAddrMode3Operand<true>";
902 // FIXME: split into imm vs. reg versions.
903 // FIXME: parser method to handle +/- register.
904 def AM3OffsetAsmOperand : AsmOperandClass {
905 let Name = "AM3Offset";
906 let ParserMethod = "parseAM3Offset";
908 def am3offset : Operand<i32>,
909 ComplexPattern<i32, 2, "SelectAddrMode3Offset",
910 [], [SDNPWantRoot]> {
911 let EncoderMethod = "getAddrMode3OffsetOpValue";
912 let PrintMethod = "printAddrMode3OffsetOperand";
913 let ParserMatchClass = AM3OffsetAsmOperand;
914 let MIOperandInfo = (ops GPR, i32imm);
917 // ldstm_mode := {ia, ib, da, db}
919 def ldstm_mode : OptionalDefOperand<OtherVT, (ops i32), (ops (i32 1))> {
920 let EncoderMethod = "getLdStmModeOpValue";
921 let PrintMethod = "printLdStmModeOperand";
924 // addrmode5 := reg +/- imm8*4
926 def AddrMode5AsmOperand : AsmOperandClass { let Name = "AddrMode5"; }
927 class AddrMode5 : Operand<i32>,
928 ComplexPattern<i32, 2, "SelectAddrMode5", []> {
929 let EncoderMethod = "getAddrMode5OpValue";
930 let DecoderMethod = "DecodeAddrMode5Operand";
931 let ParserMatchClass = AddrMode5AsmOperand;
932 let MIOperandInfo = (ops GPR:$base, i32imm);
935 def addrmode5 : AddrMode5 {
936 let PrintMethod = "printAddrMode5Operand<false>";
939 def addrmode5_pre : AddrMode5 {
940 let PrintMethod = "printAddrMode5Operand<true>";
943 // addrmode6 := reg with optional alignment
945 def AddrMode6AsmOperand : AsmOperandClass { let Name = "AlignedMemory"; }
946 def addrmode6 : Operand<i32>,
947 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
948 let PrintMethod = "printAddrMode6Operand";
949 let MIOperandInfo = (ops GPR:$addr, i32imm:$align);
950 let EncoderMethod = "getAddrMode6AddressOpValue";
951 let DecoderMethod = "DecodeAddrMode6Operand";
952 let ParserMatchClass = AddrMode6AsmOperand;
955 def am6offset : Operand<i32>,
956 ComplexPattern<i32, 1, "SelectAddrMode6Offset",
957 [], [SDNPWantRoot]> {
958 let PrintMethod = "printAddrMode6OffsetOperand";
959 let MIOperandInfo = (ops GPR);
960 let EncoderMethod = "getAddrMode6OffsetOpValue";
961 let DecoderMethod = "DecodeGPRRegisterClass";
964 // Special version of addrmode6 to handle alignment encoding for VST1/VLD1
965 // (single element from one lane) for size 32.
966 def addrmode6oneL32 : Operand<i32>,
967 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
968 let PrintMethod = "printAddrMode6Operand";
969 let MIOperandInfo = (ops GPR:$addr, i32imm);
970 let EncoderMethod = "getAddrMode6OneLane32AddressOpValue";
973 // Special version of addrmode6 to handle alignment encoding for VLD-dup
974 // instructions, specifically VLD4-dup.
975 def addrmode6dup : Operand<i32>,
976 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
977 let PrintMethod = "printAddrMode6Operand";
978 let MIOperandInfo = (ops GPR:$addr, i32imm);
979 let EncoderMethod = "getAddrMode6DupAddressOpValue";
980 // FIXME: This is close, but not quite right. The alignment specifier is
982 let ParserMatchClass = AddrMode6AsmOperand;
985 // addrmodepc := pc + reg
987 def addrmodepc : Operand<i32>,
988 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
989 let PrintMethod = "printAddrModePCOperand";
990 let MIOperandInfo = (ops GPR, i32imm);
993 // addr_offset_none := reg
995 def MemNoOffsetAsmOperand : AsmOperandClass { let Name = "MemNoOffset"; }
996 def addr_offset_none : Operand<i32>,
997 ComplexPattern<i32, 1, "SelectAddrOffsetNone", []> {
998 let PrintMethod = "printAddrMode7Operand";
999 let DecoderMethod = "DecodeAddrMode7Operand";
1000 let ParserMatchClass = MemNoOffsetAsmOperand;
1001 let MIOperandInfo = (ops GPR:$base);
1004 def nohash_imm : Operand<i32> {
1005 let PrintMethod = "printNoHashImmediate";
1008 def CoprocNumAsmOperand : AsmOperandClass {
1009 let Name = "CoprocNum";
1010 let ParserMethod = "parseCoprocNumOperand";
1012 def p_imm : Operand<i32> {
1013 let PrintMethod = "printPImmediate";
1014 let ParserMatchClass = CoprocNumAsmOperand;
1015 let DecoderMethod = "DecodeCoprocessor";
1018 def CoprocRegAsmOperand : AsmOperandClass {
1019 let Name = "CoprocReg";
1020 let ParserMethod = "parseCoprocRegOperand";
1022 def c_imm : Operand<i32> {
1023 let PrintMethod = "printCImmediate";
1024 let ParserMatchClass = CoprocRegAsmOperand;
1026 def CoprocOptionAsmOperand : AsmOperandClass {
1027 let Name = "CoprocOption";
1028 let ParserMethod = "parseCoprocOptionOperand";
1030 def coproc_option_imm : Operand<i32> {
1031 let PrintMethod = "printCoprocOptionImm";
1032 let ParserMatchClass = CoprocOptionAsmOperand;
1035 //===----------------------------------------------------------------------===//
1037 include "ARMInstrFormats.td"
1039 //===----------------------------------------------------------------------===//
1040 // Multiclass helpers...
1043 /// AsI1_bin_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns for a
1044 /// binop that produces a value.
1045 let TwoOperandAliasConstraint = "$Rn = $Rd" in
1046 multiclass AsI1_bin_irs<bits<4> opcod, string opc,
1047 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
1048 PatFrag opnode, bit Commutable = 0> {
1049 // The register-immediate version is re-materializable. This is useful
1050 // in particular for taking the address of a local.
1051 let isReMaterializable = 1 in {
1052 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
1053 iii, opc, "\t$Rd, $Rn, $imm",
1054 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>,
1055 Sched<[WriteALU, ReadALU]> {
1060 let Inst{19-16} = Rn;
1061 let Inst{15-12} = Rd;
1062 let Inst{11-0} = imm;
1065 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
1066 iir, opc, "\t$Rd, $Rn, $Rm",
1067 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
1068 Sched<[WriteALU, ReadALU, ReadALU]> {
1073 let isCommutable = Commutable;
1074 let Inst{19-16} = Rn;
1075 let Inst{15-12} = Rd;
1076 let Inst{11-4} = 0b00000000;
1080 def rsi : AsI1<opcod, (outs GPR:$Rd),
1081 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm,
1082 iis, opc, "\t$Rd, $Rn, $shift",
1083 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_imm:$shift))]>,
1084 Sched<[WriteALUsi, ReadALU]> {
1089 let Inst{19-16} = Rn;
1090 let Inst{15-12} = Rd;
1091 let Inst{11-5} = shift{11-5};
1093 let Inst{3-0} = shift{3-0};
1096 def rsr : AsI1<opcod, (outs GPR:$Rd),
1097 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm,
1098 iis, opc, "\t$Rd, $Rn, $shift",
1099 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_reg:$shift))]>,
1100 Sched<[WriteALUsr, ReadALUsr]> {
1105 let Inst{19-16} = Rn;
1106 let Inst{15-12} = Rd;
1107 let Inst{11-8} = shift{11-8};
1109 let Inst{6-5} = shift{6-5};
1111 let Inst{3-0} = shift{3-0};
1115 /// AsI1_rbin_irs - Same as AsI1_bin_irs except the order of operands are
1116 /// reversed. The 'rr' form is only defined for the disassembler; for codegen
1117 /// it is equivalent to the AsI1_bin_irs counterpart.
1118 let TwoOperandAliasConstraint = "$Rn = $Rd" in
1119 multiclass AsI1_rbin_irs<bits<4> opcod, string opc,
1120 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
1121 PatFrag opnode, bit Commutable = 0> {
1122 // The register-immediate version is re-materializable. This is useful
1123 // in particular for taking the address of a local.
1124 let isReMaterializable = 1 in {
1125 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
1126 iii, opc, "\t$Rd, $Rn, $imm",
1127 [(set GPR:$Rd, (opnode so_imm:$imm, GPR:$Rn))]>,
1128 Sched<[WriteALU, ReadALU]> {
1133 let Inst{19-16} = Rn;
1134 let Inst{15-12} = Rd;
1135 let Inst{11-0} = imm;
1138 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
1139 iir, opc, "\t$Rd, $Rn, $Rm",
1140 [/* pattern left blank */]>,
1141 Sched<[WriteALU, ReadALU, ReadALU]> {
1145 let Inst{11-4} = 0b00000000;
1148 let Inst{15-12} = Rd;
1149 let Inst{19-16} = Rn;
1152 def rsi : AsI1<opcod, (outs GPR:$Rd),
1153 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm,
1154 iis, opc, "\t$Rd, $Rn, $shift",
1155 [(set GPR:$Rd, (opnode so_reg_imm:$shift, GPR:$Rn))]>,
1156 Sched<[WriteALUsi, ReadALU]> {
1161 let Inst{19-16} = Rn;
1162 let Inst{15-12} = Rd;
1163 let Inst{11-5} = shift{11-5};
1165 let Inst{3-0} = shift{3-0};
1168 def rsr : AsI1<opcod, (outs GPR:$Rd),
1169 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm,
1170 iis, opc, "\t$Rd, $Rn, $shift",
1171 [(set GPR:$Rd, (opnode so_reg_reg:$shift, GPR:$Rn))]>,
1172 Sched<[WriteALUsr, ReadALUsr]> {
1177 let Inst{19-16} = Rn;
1178 let Inst{15-12} = Rd;
1179 let Inst{11-8} = shift{11-8};
1181 let Inst{6-5} = shift{6-5};
1183 let Inst{3-0} = shift{3-0};
1187 /// AsI1_bin_s_irs - Same as AsI1_bin_irs except it sets the 's' bit by default.
1189 /// These opcodes will be converted to the real non-S opcodes by
1190 /// AdjustInstrPostInstrSelection after giving them an optional CPSR operand.
1191 let hasPostISelHook = 1, Defs = [CPSR] in {
1192 multiclass AsI1_bin_s_irs<InstrItinClass iii, InstrItinClass iir,
1193 InstrItinClass iis, PatFrag opnode,
1194 bit Commutable = 0> {
1195 def ri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm, pred:$p),
1197 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, so_imm:$imm))]>,
1198 Sched<[WriteALU, ReadALU]>;
1200 def rr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, pred:$p),
1202 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, GPR:$Rm))]>,
1203 Sched<[WriteALU, ReadALU, ReadALU]> {
1204 let isCommutable = Commutable;
1206 def rsi : ARMPseudoInst<(outs GPR:$Rd),
1207 (ins GPR:$Rn, so_reg_imm:$shift, pred:$p),
1209 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn,
1210 so_reg_imm:$shift))]>,
1211 Sched<[WriteALUsi, ReadALU]>;
1213 def rsr : ARMPseudoInst<(outs GPR:$Rd),
1214 (ins GPR:$Rn, so_reg_reg:$shift, pred:$p),
1216 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn,
1217 so_reg_reg:$shift))]>,
1218 Sched<[WriteALUSsr, ReadALUsr]>;
1222 /// AsI1_rbin_s_is - Same as AsI1_bin_s_irs, except selection DAG
1223 /// operands are reversed.
1224 let hasPostISelHook = 1, Defs = [CPSR] in {
1225 multiclass AsI1_rbin_s_is<InstrItinClass iii, InstrItinClass iir,
1226 InstrItinClass iis, PatFrag opnode,
1227 bit Commutable = 0> {
1228 def ri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm, pred:$p),
1230 [(set GPR:$Rd, CPSR, (opnode so_imm:$imm, GPR:$Rn))]>,
1231 Sched<[WriteALU, ReadALU]>;
1233 def rsi : ARMPseudoInst<(outs GPR:$Rd),
1234 (ins GPR:$Rn, so_reg_imm:$shift, pred:$p),
1236 [(set GPR:$Rd, CPSR, (opnode so_reg_imm:$shift,
1238 Sched<[WriteALUsi, ReadALU]>;
1240 def rsr : ARMPseudoInst<(outs GPR:$Rd),
1241 (ins GPR:$Rn, so_reg_reg:$shift, pred:$p),
1243 [(set GPR:$Rd, CPSR, (opnode so_reg_reg:$shift,
1245 Sched<[WriteALUSsr, ReadALUsr]>;
1249 /// AI1_cmp_irs - Defines a set of (op r, {so_imm|r|so_reg}) cmp / test
1250 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
1251 /// a explicit result, only implicitly set CPSR.
1252 let isCompare = 1, Defs = [CPSR] in {
1253 multiclass AI1_cmp_irs<bits<4> opcod, string opc,
1254 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
1255 PatFrag opnode, bit Commutable = 0> {
1256 def ri : AI1<opcod, (outs), (ins GPR:$Rn, so_imm:$imm), DPFrm, iii,
1258 [(opnode GPR:$Rn, so_imm:$imm)]>,
1259 Sched<[WriteCMP, ReadALU]> {
1264 let Inst{19-16} = Rn;
1265 let Inst{15-12} = 0b0000;
1266 let Inst{11-0} = imm;
1268 let Unpredictable{15-12} = 0b1111;
1270 def rr : AI1<opcod, (outs), (ins GPR:$Rn, GPR:$Rm), DPFrm, iir,
1272 [(opnode GPR:$Rn, GPR:$Rm)]>,
1273 Sched<[WriteCMP, ReadALU, ReadALU]> {
1276 let isCommutable = Commutable;
1279 let Inst{19-16} = Rn;
1280 let Inst{15-12} = 0b0000;
1281 let Inst{11-4} = 0b00000000;
1284 let Unpredictable{15-12} = 0b1111;
1286 def rsi : AI1<opcod, (outs),
1287 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm, iis,
1288 opc, "\t$Rn, $shift",
1289 [(opnode GPR:$Rn, so_reg_imm:$shift)]>,
1290 Sched<[WriteCMPsi, ReadALU]> {
1295 let Inst{19-16} = Rn;
1296 let Inst{15-12} = 0b0000;
1297 let Inst{11-5} = shift{11-5};
1299 let Inst{3-0} = shift{3-0};
1301 let Unpredictable{15-12} = 0b1111;
1303 def rsr : AI1<opcod, (outs),
1304 (ins GPRnopc:$Rn, so_reg_reg:$shift), DPSoRegRegFrm, iis,
1305 opc, "\t$Rn, $shift",
1306 [(opnode GPRnopc:$Rn, so_reg_reg:$shift)]>,
1307 Sched<[WriteCMPsr, ReadALU]> {
1312 let Inst{19-16} = Rn;
1313 let Inst{15-12} = 0b0000;
1314 let Inst{11-8} = shift{11-8};
1316 let Inst{6-5} = shift{6-5};
1318 let Inst{3-0} = shift{3-0};
1320 let Unpredictable{15-12} = 0b1111;
1326 /// AI_ext_rrot - A unary operation with two forms: one whose operand is a
1327 /// register and one whose operand is a register rotated by 8/16/24.
1328 /// FIXME: Remove the 'r' variant. Its rot_imm is zero.
1329 class AI_ext_rrot<bits<8> opcod, string opc, PatFrag opnode>
1330 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPRnopc:$Rm, rot_imm:$rot),
1331 IIC_iEXTr, opc, "\t$Rd, $Rm$rot",
1332 [(set GPRnopc:$Rd, (opnode (rotr GPRnopc:$Rm, rot_imm:$rot)))]>,
1333 Requires<[IsARM, HasV6]>, Sched<[WriteALUsi]> {
1337 let Inst{19-16} = 0b1111;
1338 let Inst{15-12} = Rd;
1339 let Inst{11-10} = rot;
1343 class AI_ext_rrot_np<bits<8> opcod, string opc>
1344 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPRnopc:$Rm, rot_imm:$rot),
1345 IIC_iEXTr, opc, "\t$Rd, $Rm$rot", []>,
1346 Requires<[IsARM, HasV6]>, Sched<[WriteALUsi]> {
1348 let Inst{19-16} = 0b1111;
1349 let Inst{11-10} = rot;
1352 /// AI_exta_rrot - A binary operation with two forms: one whose operand is a
1353 /// register and one whose operand is a register rotated by 8/16/24.
1354 class AI_exta_rrot<bits<8> opcod, string opc, PatFrag opnode>
1355 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPR:$Rn, GPRnopc:$Rm, rot_imm:$rot),
1356 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm$rot",
1357 [(set GPRnopc:$Rd, (opnode GPR:$Rn,
1358 (rotr GPRnopc:$Rm, rot_imm:$rot)))]>,
1359 Requires<[IsARM, HasV6]>, Sched<[WriteALUsr]> {
1364 let Inst{19-16} = Rn;
1365 let Inst{15-12} = Rd;
1366 let Inst{11-10} = rot;
1367 let Inst{9-4} = 0b000111;
1371 class AI_exta_rrot_np<bits<8> opcod, string opc>
1372 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPR:$Rn, GPRnopc:$Rm, rot_imm:$rot),
1373 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm$rot", []>,
1374 Requires<[IsARM, HasV6]>, Sched<[WriteALUsr]> {
1377 let Inst{19-16} = Rn;
1378 let Inst{11-10} = rot;
1381 /// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
1382 let TwoOperandAliasConstraint = "$Rn = $Rd" in
1383 multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode,
1384 bit Commutable = 0> {
1385 let hasPostISelHook = 1, Defs = [CPSR], Uses = [CPSR] in {
1386 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
1387 DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
1388 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, so_imm:$imm, CPSR))]>,
1390 Sched<[WriteALU, ReadALU]> {
1395 let Inst{15-12} = Rd;
1396 let Inst{19-16} = Rn;
1397 let Inst{11-0} = imm;
1399 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
1400 DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
1401 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, GPR:$Rm, CPSR))]>,
1403 Sched<[WriteALU, ReadALU, ReadALU]> {
1407 let Inst{11-4} = 0b00000000;
1409 let isCommutable = Commutable;
1411 let Inst{15-12} = Rd;
1412 let Inst{19-16} = Rn;
1414 def rsi : AsI1<opcod, (outs GPR:$Rd),
1415 (ins GPR:$Rn, so_reg_imm:$shift),
1416 DPSoRegImmFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1417 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, so_reg_imm:$shift, CPSR))]>,
1419 Sched<[WriteALUsi, ReadALU]> {
1424 let Inst{19-16} = Rn;
1425 let Inst{15-12} = Rd;
1426 let Inst{11-5} = shift{11-5};
1428 let Inst{3-0} = shift{3-0};
1430 def rsr : AsI1<opcod, (outs GPRnopc:$Rd),
1431 (ins GPRnopc:$Rn, so_reg_reg:$shift),
1432 DPSoRegRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1433 [(set GPRnopc:$Rd, CPSR,
1434 (opnode GPRnopc:$Rn, so_reg_reg:$shift, CPSR))]>,
1436 Sched<[WriteALUsr, ReadALUsr]> {
1441 let Inst{19-16} = Rn;
1442 let Inst{15-12} = Rd;
1443 let Inst{11-8} = shift{11-8};
1445 let Inst{6-5} = shift{6-5};
1447 let Inst{3-0} = shift{3-0};
1452 /// AI1_rsc_irs - Define instructions and patterns for rsc
1453 let TwoOperandAliasConstraint = "$Rn = $Rd" in
1454 multiclass AI1_rsc_irs<bits<4> opcod, string opc, PatFrag opnode> {
1455 let hasPostISelHook = 1, Defs = [CPSR], Uses = [CPSR] in {
1456 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
1457 DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
1458 [(set GPR:$Rd, CPSR, (opnode so_imm:$imm, GPR:$Rn, CPSR))]>,
1460 Sched<[WriteALU, ReadALU]> {
1465 let Inst{15-12} = Rd;
1466 let Inst{19-16} = Rn;
1467 let Inst{11-0} = imm;
1469 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
1470 DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
1471 [/* pattern left blank */]>,
1472 Sched<[WriteALU, ReadALU, ReadALU]> {
1476 let Inst{11-4} = 0b00000000;
1479 let Inst{15-12} = Rd;
1480 let Inst{19-16} = Rn;
1482 def rsi : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_imm:$shift),
1483 DPSoRegImmFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1484 [(set GPR:$Rd, CPSR, (opnode so_reg_imm:$shift, GPR:$Rn, CPSR))]>,
1486 Sched<[WriteALUsi, ReadALU]> {
1491 let Inst{19-16} = Rn;
1492 let Inst{15-12} = Rd;
1493 let Inst{11-5} = shift{11-5};
1495 let Inst{3-0} = shift{3-0};
1497 def rsr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_reg:$shift),
1498 DPSoRegRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1499 [(set GPR:$Rd, CPSR, (opnode so_reg_reg:$shift, GPR:$Rn, CPSR))]>,
1501 Sched<[WriteALUsr, ReadALUsr]> {
1506 let Inst{19-16} = Rn;
1507 let Inst{15-12} = Rd;
1508 let Inst{11-8} = shift{11-8};
1510 let Inst{6-5} = shift{6-5};
1512 let Inst{3-0} = shift{3-0};
1517 let canFoldAsLoad = 1, isReMaterializable = 1 in {
1518 multiclass AI_ldr1<bit isByte, string opc, InstrItinClass iii,
1519 InstrItinClass iir, PatFrag opnode> {
1520 // Note: We use the complex addrmode_imm12 rather than just an input
1521 // GPR and a constrained immediate so that we can use this to match
1522 // frame index references and avoid matching constant pool references.
1523 def i12: AI2ldst<0b010, 1, isByte, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
1524 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
1525 [(set GPR:$Rt, (opnode addrmode_imm12:$addr))]> {
1528 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1529 let Inst{19-16} = addr{16-13}; // Rn
1530 let Inst{15-12} = Rt;
1531 let Inst{11-0} = addr{11-0}; // imm12
1533 def rs : AI2ldst<0b011, 1, isByte, (outs GPR:$Rt), (ins ldst_so_reg:$shift),
1534 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
1535 [(set GPR:$Rt, (opnode ldst_so_reg:$shift))]> {
1538 let shift{4} = 0; // Inst{4} = 0
1539 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1540 let Inst{19-16} = shift{16-13}; // Rn
1541 let Inst{15-12} = Rt;
1542 let Inst{11-0} = shift{11-0};
1547 let canFoldAsLoad = 1, isReMaterializable = 1 in {
1548 multiclass AI_ldr1nopc<bit isByte, string opc, InstrItinClass iii,
1549 InstrItinClass iir, PatFrag opnode> {
1550 // Note: We use the complex addrmode_imm12 rather than just an input
1551 // GPR and a constrained immediate so that we can use this to match
1552 // frame index references and avoid matching constant pool references.
1553 def i12: AI2ldst<0b010, 1, isByte, (outs GPRnopc:$Rt),
1554 (ins addrmode_imm12:$addr),
1555 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
1556 [(set GPRnopc:$Rt, (opnode addrmode_imm12:$addr))]> {
1559 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1560 let Inst{19-16} = addr{16-13}; // Rn
1561 let Inst{15-12} = Rt;
1562 let Inst{11-0} = addr{11-0}; // imm12
1564 def rs : AI2ldst<0b011, 1, isByte, (outs GPRnopc:$Rt),
1565 (ins ldst_so_reg:$shift),
1566 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
1567 [(set GPRnopc:$Rt, (opnode ldst_so_reg:$shift))]> {
1570 let shift{4} = 0; // Inst{4} = 0
1571 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1572 let Inst{19-16} = shift{16-13}; // Rn
1573 let Inst{15-12} = Rt;
1574 let Inst{11-0} = shift{11-0};
1580 multiclass AI_str1<bit isByte, string opc, InstrItinClass iii,
1581 InstrItinClass iir, PatFrag opnode> {
1582 // Note: We use the complex addrmode_imm12 rather than just an input
1583 // GPR and a constrained immediate so that we can use this to match
1584 // frame index references and avoid matching constant pool references.
1585 def i12 : AI2ldst<0b010, 0, isByte, (outs),
1586 (ins GPR:$Rt, addrmode_imm12:$addr),
1587 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
1588 [(opnode GPR:$Rt, addrmode_imm12:$addr)]> {
1591 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1592 let Inst{19-16} = addr{16-13}; // Rn
1593 let Inst{15-12} = Rt;
1594 let Inst{11-0} = addr{11-0}; // imm12
1596 def rs : AI2ldst<0b011, 0, isByte, (outs), (ins GPR:$Rt, ldst_so_reg:$shift),
1597 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
1598 [(opnode GPR:$Rt, ldst_so_reg:$shift)]> {
1601 let shift{4} = 0; // Inst{4} = 0
1602 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1603 let Inst{19-16} = shift{16-13}; // Rn
1604 let Inst{15-12} = Rt;
1605 let Inst{11-0} = shift{11-0};
1609 multiclass AI_str1nopc<bit isByte, string opc, InstrItinClass iii,
1610 InstrItinClass iir, PatFrag opnode> {
1611 // Note: We use the complex addrmode_imm12 rather than just an input
1612 // GPR and a constrained immediate so that we can use this to match
1613 // frame index references and avoid matching constant pool references.
1614 def i12 : AI2ldst<0b010, 0, isByte, (outs),
1615 (ins GPRnopc:$Rt, addrmode_imm12:$addr),
1616 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
1617 [(opnode GPRnopc:$Rt, addrmode_imm12:$addr)]> {
1620 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1621 let Inst{19-16} = addr{16-13}; // Rn
1622 let Inst{15-12} = Rt;
1623 let Inst{11-0} = addr{11-0}; // imm12
1625 def rs : AI2ldst<0b011, 0, isByte, (outs),
1626 (ins GPRnopc:$Rt, ldst_so_reg:$shift),
1627 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
1628 [(opnode GPRnopc:$Rt, ldst_so_reg:$shift)]> {
1631 let shift{4} = 0; // Inst{4} = 0
1632 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1633 let Inst{19-16} = shift{16-13}; // Rn
1634 let Inst{15-12} = Rt;
1635 let Inst{11-0} = shift{11-0};
1640 //===----------------------------------------------------------------------===//
1642 //===----------------------------------------------------------------------===//
1644 //===----------------------------------------------------------------------===//
1645 // Miscellaneous Instructions.
1648 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
1649 /// the function. The first operand is the ID# for this instruction, the second
1650 /// is the index into the MachineConstantPool that this is, the third is the
1651 /// size in bytes of this constant pool entry.
1652 let neverHasSideEffects = 1, isNotDuplicable = 1 in
1653 def CONSTPOOL_ENTRY :
1654 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
1655 i32imm:$size), NoItinerary, []>;
1657 // FIXME: Marking these as hasSideEffects is necessary to prevent machine DCE
1658 // from removing one half of the matched pairs. That breaks PEI, which assumes
1659 // these will always be in pairs, and asserts if it finds otherwise. Better way?
1660 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
1661 def ADJCALLSTACKUP :
1662 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary,
1663 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
1665 def ADJCALLSTACKDOWN :
1666 PseudoInst<(outs), (ins i32imm:$amt, pred:$p), NoItinerary,
1667 [(ARMcallseq_start timm:$amt)]>;
1670 // Atomic pseudo-insts which will be lowered to ldrexd/strexd loops.
1671 // (These pseudos use a hand-written selection code).
1672 let usesCustomInserter = 1, Defs = [CPSR], mayLoad = 1, mayStore = 1 in {
1673 def ATOMOR6432 : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
1674 (ins GPR:$addr, GPR:$src1, GPR:$src2),
1676 def ATOMXOR6432 : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
1677 (ins GPR:$addr, GPR:$src1, GPR:$src2),
1679 def ATOMADD6432 : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
1680 (ins GPR:$addr, GPR:$src1, GPR:$src2),
1682 def ATOMSUB6432 : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
1683 (ins GPR:$addr, GPR:$src1, GPR:$src2),
1685 def ATOMNAND6432 : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
1686 (ins GPR:$addr, GPR:$src1, GPR:$src2),
1688 def ATOMAND6432 : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
1689 (ins GPR:$addr, GPR:$src1, GPR:$src2),
1691 def ATOMSWAP6432 : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
1692 (ins GPR:$addr, GPR:$src1, GPR:$src2),
1694 def ATOMCMPXCHG6432 : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
1695 (ins GPR:$addr, GPR:$cmp1, GPR:$cmp2,
1696 GPR:$set1, GPR:$set2),
1698 def ATOMMIN6432 : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
1699 (ins GPR:$addr, GPR:$src1, GPR:$src2),
1701 def ATOMUMIN6432 : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
1702 (ins GPR:$addr, GPR:$src1, GPR:$src2),
1704 def ATOMMAX6432 : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
1705 (ins GPR:$addr, GPR:$src1, GPR:$src2),
1707 def ATOMUMAX6432 : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
1708 (ins GPR:$addr, GPR:$src1, GPR:$src2),
1712 def HINT : AI<(outs), (ins imm0_4:$imm), MiscFrm, NoItinerary,
1713 "hint", "\t$imm", []>, Requires<[IsARM, HasV6]> {
1715 let Inst{27-3} = 0b0011001000001111000000000;
1716 let Inst{2-0} = imm;
1719 def : InstAlias<"nop$p", (HINT 0, pred:$p)>, Requires<[IsARM, HasV6T2]>;
1720 def : InstAlias<"yield$p", (HINT 1, pred:$p)>, Requires<[IsARM, HasV6T2]>;
1721 def : InstAlias<"wfe$p", (HINT 2, pred:$p)>, Requires<[IsARM, HasV6T2]>;
1722 def : InstAlias<"wfi$p", (HINT 3, pred:$p)>, Requires<[IsARM, HasV6T2]>;
1723 def : InstAlias<"sev$p", (HINT 4, pred:$p)>, Requires<[IsARM, HasV6T2]>;
1725 def SEL : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm, NoItinerary, "sel",
1726 "\t$Rd, $Rn, $Rm", []>, Requires<[IsARM, HasV6]> {
1731 let Inst{15-12} = Rd;
1732 let Inst{19-16} = Rn;
1733 let Inst{27-20} = 0b01101000;
1734 let Inst{7-4} = 0b1011;
1735 let Inst{11-8} = 0b1111;
1736 let Unpredictable{11-8} = 0b1111;
1739 // The 16-bit operand $val can be used by a debugger to store more information
1740 // about the breakpoint.
1741 def BKPT : AInoP<(outs), (ins imm0_65535:$val), MiscFrm, NoItinerary,
1742 "bkpt", "\t$val", []>, Requires<[IsARM]> {
1744 let Inst{3-0} = val{3-0};
1745 let Inst{19-8} = val{15-4};
1746 let Inst{27-20} = 0b00010010;
1747 let Inst{31-28} = 0xe; // AL
1748 let Inst{7-4} = 0b0111;
1751 // Change Processor State
1752 // FIXME: We should use InstAlias to handle the optional operands.
1753 class CPS<dag iops, string asm_ops>
1754 : AXI<(outs), iops, MiscFrm, NoItinerary, !strconcat("cps", asm_ops),
1755 []>, Requires<[IsARM]> {
1761 let Inst{31-28} = 0b1111;
1762 let Inst{27-20} = 0b00010000;
1763 let Inst{19-18} = imod;
1764 let Inst{17} = M; // Enabled if mode is set;
1765 let Inst{16-9} = 0b00000000;
1766 let Inst{8-6} = iflags;
1768 let Inst{4-0} = mode;
1771 let DecoderMethod = "DecodeCPSInstruction" in {
1773 def CPS3p : CPS<(ins imod_op:$imod, iflags_op:$iflags, imm0_31:$mode),
1774 "$imod\t$iflags, $mode">;
1775 let mode = 0, M = 0 in
1776 def CPS2p : CPS<(ins imod_op:$imod, iflags_op:$iflags), "$imod\t$iflags">;
1778 let imod = 0, iflags = 0, M = 1 in
1779 def CPS1p : CPS<(ins imm0_31:$mode), "\t$mode">;
1782 // Preload signals the memory system of possible future data/instruction access.
1783 multiclass APreLoad<bits<1> read, bits<1> data, string opc> {
1785 def i12 : AXI<(outs), (ins addrmode_imm12:$addr), MiscFrm, IIC_Preload,
1786 !strconcat(opc, "\t$addr"),
1787 [(ARMPreload addrmode_imm12:$addr, (i32 read), (i32 data))]>,
1788 Sched<[WritePreLd]> {
1791 let Inst{31-26} = 0b111101;
1792 let Inst{25} = 0; // 0 for immediate form
1793 let Inst{24} = data;
1794 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1795 let Inst{22} = read;
1796 let Inst{21-20} = 0b01;
1797 let Inst{19-16} = addr{16-13}; // Rn
1798 let Inst{15-12} = 0b1111;
1799 let Inst{11-0} = addr{11-0}; // imm12
1802 def rs : AXI<(outs), (ins ldst_so_reg:$shift), MiscFrm, IIC_Preload,
1803 !strconcat(opc, "\t$shift"),
1804 [(ARMPreload ldst_so_reg:$shift, (i32 read), (i32 data))]>,
1805 Sched<[WritePreLd]> {
1807 let Inst{31-26} = 0b111101;
1808 let Inst{25} = 1; // 1 for register form
1809 let Inst{24} = data;
1810 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1811 let Inst{22} = read;
1812 let Inst{21-20} = 0b01;
1813 let Inst{19-16} = shift{16-13}; // Rn
1814 let Inst{15-12} = 0b1111;
1815 let Inst{11-0} = shift{11-0};
1820 defm PLD : APreLoad<1, 1, "pld">, Requires<[IsARM]>;
1821 defm PLDW : APreLoad<0, 1, "pldw">, Requires<[IsARM,HasV7,HasMP]>;
1822 defm PLI : APreLoad<1, 0, "pli">, Requires<[IsARM,HasV7]>;
1824 def SETEND : AXI<(outs), (ins setend_op:$end), MiscFrm, NoItinerary,
1825 "setend\t$end", []>, Requires<[IsARM]> {
1827 let Inst{31-10} = 0b1111000100000001000000;
1832 def DBG : AI<(outs), (ins imm0_15:$opt), MiscFrm, NoItinerary, "dbg", "\t$opt",
1833 []>, Requires<[IsARM, HasV7]> {
1835 let Inst{27-4} = 0b001100100000111100001111;
1836 let Inst{3-0} = opt;
1840 * A5.4 Permanently UNDEFINED instructions.
1842 * For most targets use UDF #65006, for which the OS will generate SIGTRAP.
1843 * Other UDF encodings generate SIGILL.
1845 * NaCl's OS instead chooses an ARM UDF encoding that's also a UDF in Thumb.
1847 * 1110 0111 1111 iiii iiii iiii 1111 iiii
1849 * 1101 1110 iiii iiii
1850 * It uses the following encoding:
1851 * 1110 0111 1111 1110 1101 1110 1111 0000
1852 * - In ARM: UDF #60896;
1853 * - In Thumb: UDF #254 followed by a branch-to-self.
1855 let isBarrier = 1, isTerminator = 1 in
1856 def TRAPNaCl : AXI<(outs), (ins), MiscFrm, NoItinerary,
1858 Requires<[IsARM,UseNaClTrap]> {
1859 let Inst = 0xe7fedef0;
1861 let isBarrier = 1, isTerminator = 1 in
1862 def TRAP : AXI<(outs), (ins), MiscFrm, NoItinerary,
1864 Requires<[IsARM,DontUseNaClTrap]> {
1865 let Inst = 0xe7ffdefe;
1868 // Address computation and loads and stores in PIC mode.
1869 let isNotDuplicable = 1 in {
1870 def PICADD : ARMPseudoInst<(outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
1872 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>,
1873 Sched<[WriteALU, ReadALU]>;
1875 let AddedComplexity = 10 in {
1876 def PICLDR : ARMPseudoInst<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
1878 [(set GPR:$dst, (load addrmodepc:$addr))]>;
1880 def PICLDRH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1882 [(set GPR:$Rt, (zextloadi16 addrmodepc:$addr))]>;
1884 def PICLDRB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1886 [(set GPR:$Rt, (zextloadi8 addrmodepc:$addr))]>;
1888 def PICLDRSH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1890 [(set GPR:$Rt, (sextloadi16 addrmodepc:$addr))]>;
1892 def PICLDRSB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1894 [(set GPR:$Rt, (sextloadi8 addrmodepc:$addr))]>;
1896 let AddedComplexity = 10 in {
1897 def PICSTR : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1898 4, IIC_iStore_r, [(store GPR:$src, addrmodepc:$addr)]>;
1900 def PICSTRH : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1901 4, IIC_iStore_bh_r, [(truncstorei16 GPR:$src,
1902 addrmodepc:$addr)]>;
1904 def PICSTRB : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1905 4, IIC_iStore_bh_r, [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
1907 } // isNotDuplicable = 1
1910 // LEApcrel - Load a pc-relative address into a register without offending the
1912 let neverHasSideEffects = 1, isReMaterializable = 1 in
1913 // The 'adr' mnemonic encodes differently if the label is before or after
1914 // the instruction. The {24-21} opcode bits are set by the fixup, as we don't
1915 // know until then which form of the instruction will be used.
1916 def ADR : AI1<{0,?,?,0}, (outs GPR:$Rd), (ins adrlabel:$label),
1917 MiscFrm, IIC_iALUi, "adr", "\t$Rd, $label", []>,
1918 Sched<[WriteALU, ReadALU]> {
1921 let Inst{27-25} = 0b001;
1923 let Inst{23-22} = label{13-12};
1926 let Inst{19-16} = 0b1111;
1927 let Inst{15-12} = Rd;
1928 let Inst{11-0} = label{11-0};
1931 let hasSideEffects = 1 in {
1932 def LEApcrel : ARMPseudoInst<(outs GPR:$Rd), (ins i32imm:$label, pred:$p),
1933 4, IIC_iALUi, []>, Sched<[WriteALU, ReadALU]>;
1935 def LEApcrelJT : ARMPseudoInst<(outs GPR:$Rd),
1936 (ins i32imm:$label, nohash_imm:$id, pred:$p),
1937 4, IIC_iALUi, []>, Sched<[WriteALU, ReadALU]>;
1940 //===----------------------------------------------------------------------===//
1941 // Control Flow Instructions.
1944 let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
1946 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1947 "bx", "\tlr", [(ARMretflag)]>,
1948 Requires<[IsARM, HasV4T]>, Sched<[WriteBr]> {
1949 let Inst{27-0} = 0b0001001011111111111100011110;
1953 def MOVPCLR : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1954 "mov", "\tpc, lr", [(ARMretflag)]>,
1955 Requires<[IsARM, NoV4T]>, Sched<[WriteBr]> {
1956 let Inst{27-0} = 0b0001101000001111000000001110;
1960 // Indirect branches
1961 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
1963 def BX : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
1964 [(brind GPR:$dst)]>,
1965 Requires<[IsARM, HasV4T]>, Sched<[WriteBr]> {
1967 let Inst{31-4} = 0b1110000100101111111111110001;
1968 let Inst{3-0} = dst;
1971 def BX_pred : AI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br,
1972 "bx", "\t$dst", [/* pattern left blank */]>,
1973 Requires<[IsARM, HasV4T]>, Sched<[WriteBr]> {
1975 let Inst{27-4} = 0b000100101111111111110001;
1976 let Inst{3-0} = dst;
1980 // SP is marked as a use to prevent stack-pointer assignments that appear
1981 // immediately before calls from potentially appearing dead.
1983 // FIXME: Do we really need a non-predicated version? If so, it should
1984 // at least be a pseudo instruction expanding to the predicated version
1985 // at MC lowering time.
1986 Defs = [LR], Uses = [SP] in {
1987 def BL : ABXI<0b1011, (outs), (ins bl_target:$func),
1988 IIC_Br, "bl\t$func",
1989 [(ARMcall tglobaladdr:$func)]>,
1990 Requires<[IsARM]>, Sched<[WriteBrL]> {
1991 let Inst{31-28} = 0b1110;
1993 let Inst{23-0} = func;
1994 let DecoderMethod = "DecodeBranchImmInstruction";
1997 def BL_pred : ABI<0b1011, (outs), (ins bl_target:$func),
1998 IIC_Br, "bl", "\t$func",
1999 [(ARMcall_pred tglobaladdr:$func)]>,
2000 Requires<[IsARM]>, Sched<[WriteBrL]> {
2002 let Inst{23-0} = func;
2003 let DecoderMethod = "DecodeBranchImmInstruction";
2007 def BLX : AXI<(outs), (ins GPR:$func), BrMiscFrm,
2008 IIC_Br, "blx\t$func",
2009 [(ARMcall GPR:$func)]>,
2010 Requires<[IsARM, HasV5T]>, Sched<[WriteBrL]> {
2012 let Inst{31-4} = 0b1110000100101111111111110011;
2013 let Inst{3-0} = func;
2016 def BLX_pred : AI<(outs), (ins GPR:$func), BrMiscFrm,
2017 IIC_Br, "blx", "\t$func",
2018 [(ARMcall_pred GPR:$func)]>,
2019 Requires<[IsARM, HasV5T]>, Sched<[WriteBrL]> {
2021 let Inst{27-4} = 0b000100101111111111110011;
2022 let Inst{3-0} = func;
2026 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
2027 def BX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func),
2028 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
2029 Requires<[IsARM, HasV4T]>, Sched<[WriteBr]>;
2032 def BMOVPCRX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func),
2033 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
2034 Requires<[IsARM, NoV4T]>, Sched<[WriteBr]>;
2036 // mov lr, pc; b if callee is marked noreturn to avoid confusing the
2037 // return stack predictor.
2038 def BMOVPCB_CALL : ARMPseudoInst<(outs), (ins bl_target:$func),
2039 8, IIC_Br, [(ARMcall_nolink tglobaladdr:$func)]>,
2040 Requires<[IsARM]>, Sched<[WriteBr]>;
2043 let isBranch = 1, isTerminator = 1 in {
2044 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
2045 // a two-value operand where a dag node expects two operands. :(
2046 def Bcc : ABI<0b1010, (outs), (ins br_target:$target),
2047 IIC_Br, "b", "\t$target",
2048 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]>,
2051 let Inst{23-0} = target;
2052 let DecoderMethod = "DecodeBranchImmInstruction";
2055 let isBarrier = 1 in {
2056 // B is "predicable" since it's just a Bcc with an 'always' condition.
2057 let isPredicable = 1 in
2058 // FIXME: We shouldn't need this pseudo at all. Just using Bcc directly
2059 // should be sufficient.
2060 // FIXME: Is B really a Barrier? That doesn't seem right.
2061 def B : ARMPseudoExpand<(outs), (ins br_target:$target), 4, IIC_Br,
2062 [(br bb:$target)], (Bcc br_target:$target, (ops 14, zero_reg))>,
2065 let isNotDuplicable = 1, isIndirectBranch = 1 in {
2066 def BR_JTr : ARMPseudoInst<(outs),
2067 (ins GPR:$target, i32imm:$jt, i32imm:$id),
2069 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]>,
2071 // FIXME: This shouldn't use the generic "addrmode2," but rather be split
2072 // into i12 and rs suffixed versions.
2073 def BR_JTm : ARMPseudoInst<(outs),
2074 (ins addrmode2:$target, i32imm:$jt, i32imm:$id),
2076 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
2077 imm:$id)]>, Sched<[WriteBrTbl]>;
2078 def BR_JTadd : ARMPseudoInst<(outs),
2079 (ins GPR:$target, GPR:$idx, i32imm:$jt, i32imm:$id),
2081 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
2082 imm:$id)]>, Sched<[WriteBrTbl]>;
2083 } // isNotDuplicable = 1, isIndirectBranch = 1
2089 def BLXi : AXI<(outs), (ins blx_target:$target), BrMiscFrm, NoItinerary,
2090 "blx\t$target", []>,
2091 Requires<[IsARM, HasV5T]>, Sched<[WriteBrL]> {
2092 let Inst{31-25} = 0b1111101;
2094 let Inst{23-0} = target{24-1};
2095 let Inst{24} = target{0};
2098 // Branch and Exchange Jazelle
2099 def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
2100 [/* pattern left blank */]>, Sched<[WriteBr]> {
2102 let Inst{23-20} = 0b0010;
2103 let Inst{19-8} = 0xfff;
2104 let Inst{7-4} = 0b0010;
2105 let Inst{3-0} = func;
2110 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, Uses = [SP] in {
2111 def TCRETURNdi : PseudoInst<(outs), (ins i32imm:$dst), IIC_Br, []>,
2114 def TCRETURNri : PseudoInst<(outs), (ins tcGPR:$dst), IIC_Br, []>,
2117 def TAILJMPd : ARMPseudoExpand<(outs), (ins br_target:$dst),
2119 (Bcc br_target:$dst, (ops 14, zero_reg))>,
2120 Requires<[IsARM]>, Sched<[WriteBr]>;
2122 def TAILJMPr : ARMPseudoExpand<(outs), (ins tcGPR:$dst),
2124 (BX GPR:$dst)>, Sched<[WriteBr]>,
2128 // Secure Monitor Call is a system instruction.
2129 def SMC : ABI<0b0001, (outs), (ins imm0_15:$opt), NoItinerary, "smc", "\t$opt",
2130 []>, Requires<[IsARM, HasTrustZone]> {
2132 let Inst{23-4} = 0b01100000000000000111;
2133 let Inst{3-0} = opt;
2136 // Supervisor Call (Software Interrupt)
2137 let isCall = 1, Uses = [SP] in {
2138 def SVC : ABI<0b1111, (outs), (ins imm24b:$svc), IIC_Br, "svc", "\t$svc", []>,
2141 let Inst{23-0} = svc;
2145 // Store Return State
2146 class SRSI<bit wb, string asm>
2147 : XI<(outs), (ins imm0_31:$mode), AddrModeNone, 4, IndexModeNone, BrFrm,
2148 NoItinerary, asm, "", []> {
2150 let Inst{31-28} = 0b1111;
2151 let Inst{27-25} = 0b100;
2155 let Inst{19-16} = 0b1101; // SP
2156 let Inst{15-5} = 0b00000101000;
2157 let Inst{4-0} = mode;
2160 def SRSDA : SRSI<0, "srsda\tsp, $mode"> {
2161 let Inst{24-23} = 0;
2163 def SRSDA_UPD : SRSI<1, "srsda\tsp!, $mode"> {
2164 let Inst{24-23} = 0;
2166 def SRSDB : SRSI<0, "srsdb\tsp, $mode"> {
2167 let Inst{24-23} = 0b10;
2169 def SRSDB_UPD : SRSI<1, "srsdb\tsp!, $mode"> {
2170 let Inst{24-23} = 0b10;
2172 def SRSIA : SRSI<0, "srsia\tsp, $mode"> {
2173 let Inst{24-23} = 0b01;
2175 def SRSIA_UPD : SRSI<1, "srsia\tsp!, $mode"> {
2176 let Inst{24-23} = 0b01;
2178 def SRSIB : SRSI<0, "srsib\tsp, $mode"> {
2179 let Inst{24-23} = 0b11;
2181 def SRSIB_UPD : SRSI<1, "srsib\tsp!, $mode"> {
2182 let Inst{24-23} = 0b11;
2185 def : ARMInstAlias<"srsda $mode", (SRSDA imm0_31:$mode)>;
2186 def : ARMInstAlias<"srsda $mode!", (SRSDA_UPD imm0_31:$mode)>;
2188 def : ARMInstAlias<"srsdb $mode", (SRSDB imm0_31:$mode)>;
2189 def : ARMInstAlias<"srsdb $mode!", (SRSDB_UPD imm0_31:$mode)>;
2191 def : ARMInstAlias<"srsia $mode", (SRSIA imm0_31:$mode)>;
2192 def : ARMInstAlias<"srsia $mode!", (SRSIA_UPD imm0_31:$mode)>;
2194 def : ARMInstAlias<"srsib $mode", (SRSIB imm0_31:$mode)>;
2195 def : ARMInstAlias<"srsib $mode!", (SRSIB_UPD imm0_31:$mode)>;
2197 // Return From Exception
2198 class RFEI<bit wb, string asm>
2199 : XI<(outs), (ins GPR:$Rn), AddrModeNone, 4, IndexModeNone, BrFrm,
2200 NoItinerary, asm, "", []> {
2202 let Inst{31-28} = 0b1111;
2203 let Inst{27-25} = 0b100;
2207 let Inst{19-16} = Rn;
2208 let Inst{15-0} = 0xa00;
2211 def RFEDA : RFEI<0, "rfeda\t$Rn"> {
2212 let Inst{24-23} = 0;
2214 def RFEDA_UPD : RFEI<1, "rfeda\t$Rn!"> {
2215 let Inst{24-23} = 0;
2217 def RFEDB : RFEI<0, "rfedb\t$Rn"> {
2218 let Inst{24-23} = 0b10;
2220 def RFEDB_UPD : RFEI<1, "rfedb\t$Rn!"> {
2221 let Inst{24-23} = 0b10;
2223 def RFEIA : RFEI<0, "rfeia\t$Rn"> {
2224 let Inst{24-23} = 0b01;
2226 def RFEIA_UPD : RFEI<1, "rfeia\t$Rn!"> {
2227 let Inst{24-23} = 0b01;
2229 def RFEIB : RFEI<0, "rfeib\t$Rn"> {
2230 let Inst{24-23} = 0b11;
2232 def RFEIB_UPD : RFEI<1, "rfeib\t$Rn!"> {
2233 let Inst{24-23} = 0b11;
2236 //===----------------------------------------------------------------------===//
2237 // Load / Store Instructions.
2243 defm LDR : AI_ldr1<0, "ldr", IIC_iLoad_r, IIC_iLoad_si,
2244 UnOpFrag<(load node:$Src)>>;
2245 defm LDRB : AI_ldr1nopc<1, "ldrb", IIC_iLoad_bh_r, IIC_iLoad_bh_si,
2246 UnOpFrag<(zextloadi8 node:$Src)>>;
2247 defm STR : AI_str1<0, "str", IIC_iStore_r, IIC_iStore_si,
2248 BinOpFrag<(store node:$LHS, node:$RHS)>>;
2249 defm STRB : AI_str1nopc<1, "strb", IIC_iStore_bh_r, IIC_iStore_bh_si,
2250 BinOpFrag<(truncstorei8 node:$LHS, node:$RHS)>>;
2252 // Special LDR for loads from non-pc-relative constpools.
2253 let canFoldAsLoad = 1, mayLoad = 1, neverHasSideEffects = 1,
2254 isReMaterializable = 1, isCodeGenOnly = 1 in
2255 def LDRcp : AI2ldst<0b010, 1, 0, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
2256 AddrMode_i12, LdFrm, IIC_iLoad_r, "ldr", "\t$Rt, $addr",
2260 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2261 let Inst{19-16} = 0b1111;
2262 let Inst{15-12} = Rt;
2263 let Inst{11-0} = addr{11-0}; // imm12
2266 // Loads with zero extension
2267 def LDRH : AI3ld<0b1011, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
2268 IIC_iLoad_bh_r, "ldrh", "\t$Rt, $addr",
2269 [(set GPR:$Rt, (zextloadi16 addrmode3:$addr))]>;
2271 // Loads with sign extension
2272 def LDRSH : AI3ld<0b1111, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
2273 IIC_iLoad_bh_r, "ldrsh", "\t$Rt, $addr",
2274 [(set GPR:$Rt, (sextloadi16 addrmode3:$addr))]>;
2276 def LDRSB : AI3ld<0b1101, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
2277 IIC_iLoad_bh_r, "ldrsb", "\t$Rt, $addr",
2278 [(set GPR:$Rt, (sextloadi8 addrmode3:$addr))]>;
2280 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1 in {
2282 def LDRD : AI3ld<0b1101, 0, (outs GPR:$Rd, GPR:$dst2),
2283 (ins addrmode3:$addr), LdMiscFrm,
2284 IIC_iLoad_d_r, "ldrd", "\t$Rd, $dst2, $addr",
2285 []>, Requires<[IsARM, HasV5TE]>;
2289 multiclass AI2_ldridx<bit isByte, string opc,
2290 InstrItinClass iii, InstrItinClass iir> {
2291 def _PRE_IMM : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb),
2292 (ins addrmode_imm12_pre:$addr), IndexModePre, LdFrm, iii,
2293 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2296 let Inst{23} = addr{12};
2297 let Inst{19-16} = addr{16-13};
2298 let Inst{11-0} = addr{11-0};
2299 let DecoderMethod = "DecodeLDRPreImm";
2302 def _PRE_REG : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb),
2303 (ins ldst_so_reg:$addr), IndexModePre, LdFrm, iir,
2304 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2307 let Inst{23} = addr{12};
2308 let Inst{19-16} = addr{16-13};
2309 let Inst{11-0} = addr{11-0};
2311 let DecoderMethod = "DecodeLDRPreReg";
2314 def _POST_REG : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2315 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2316 IndexModePost, LdFrm, iir,
2317 opc, "\t$Rt, $addr, $offset",
2318 "$addr.base = $Rn_wb", []> {
2324 let Inst{23} = offset{12};
2325 let Inst{19-16} = addr;
2326 let Inst{11-0} = offset{11-0};
2329 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2332 def _POST_IMM : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2333 (ins addr_offset_none:$addr, am2offset_imm:$offset),
2334 IndexModePost, LdFrm, iii,
2335 opc, "\t$Rt, $addr, $offset",
2336 "$addr.base = $Rn_wb", []> {
2342 let Inst{23} = offset{12};
2343 let Inst{19-16} = addr;
2344 let Inst{11-0} = offset{11-0};
2346 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2351 let mayLoad = 1, neverHasSideEffects = 1 in {
2352 // FIXME: for LDR_PRE_REG etc. the itineray should be either IIC_iLoad_ru or
2353 // IIC_iLoad_siu depending on whether it the offset register is shifted.
2354 defm LDR : AI2_ldridx<0, "ldr", IIC_iLoad_iu, IIC_iLoad_ru>;
2355 defm LDRB : AI2_ldridx<1, "ldrb", IIC_iLoad_bh_iu, IIC_iLoad_bh_ru>;
2358 multiclass AI3_ldridx<bits<4> op, string opc, InstrItinClass itin> {
2359 def _PRE : AI3ldstidx<op, 1, 1, (outs GPR:$Rt, GPR:$Rn_wb),
2360 (ins addrmode3_pre:$addr), IndexModePre,
2362 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2364 let Inst{23} = addr{8}; // U bit
2365 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2366 let Inst{19-16} = addr{12-9}; // Rn
2367 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2368 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2369 let DecoderMethod = "DecodeAddrMode3Instruction";
2371 def _POST : AI3ldstidx<op, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2372 (ins addr_offset_none:$addr, am3offset:$offset),
2373 IndexModePost, LdMiscFrm, itin,
2374 opc, "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb",
2378 let Inst{23} = offset{8}; // U bit
2379 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2380 let Inst{19-16} = addr;
2381 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2382 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2383 let DecoderMethod = "DecodeAddrMode3Instruction";
2387 let mayLoad = 1, neverHasSideEffects = 1 in {
2388 defm LDRH : AI3_ldridx<0b1011, "ldrh", IIC_iLoad_bh_ru>;
2389 defm LDRSH : AI3_ldridx<0b1111, "ldrsh", IIC_iLoad_bh_ru>;
2390 defm LDRSB : AI3_ldridx<0b1101, "ldrsb", IIC_iLoad_bh_ru>;
2391 let hasExtraDefRegAllocReq = 1 in {
2392 def LDRD_PRE : AI3ldstidx<0b1101, 0, 1, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
2393 (ins addrmode3_pre:$addr), IndexModePre,
2394 LdMiscFrm, IIC_iLoad_d_ru,
2395 "ldrd", "\t$Rt, $Rt2, $addr!",
2396 "$addr.base = $Rn_wb", []> {
2398 let Inst{23} = addr{8}; // U bit
2399 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2400 let Inst{19-16} = addr{12-9}; // Rn
2401 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2402 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2403 let DecoderMethod = "DecodeAddrMode3Instruction";
2405 def LDRD_POST: AI3ldstidx<0b1101, 0, 0, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
2406 (ins addr_offset_none:$addr, am3offset:$offset),
2407 IndexModePost, LdMiscFrm, IIC_iLoad_d_ru,
2408 "ldrd", "\t$Rt, $Rt2, $addr, $offset",
2409 "$addr.base = $Rn_wb", []> {
2412 let Inst{23} = offset{8}; // U bit
2413 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2414 let Inst{19-16} = addr;
2415 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2416 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2417 let DecoderMethod = "DecodeAddrMode3Instruction";
2419 } // hasExtraDefRegAllocReq = 1
2420 } // mayLoad = 1, neverHasSideEffects = 1
2422 // LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT.
2423 let mayLoad = 1, neverHasSideEffects = 1 in {
2424 def LDRT_POST_REG : AI2ldstidx<1, 0, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2425 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2426 IndexModePost, LdFrm, IIC_iLoad_ru,
2427 "ldrt", "\t$Rt, $addr, $offset",
2428 "$addr.base = $Rn_wb", []> {
2434 let Inst{23} = offset{12};
2435 let Inst{21} = 1; // overwrite
2436 let Inst{19-16} = addr;
2437 let Inst{11-5} = offset{11-5};
2439 let Inst{3-0} = offset{3-0};
2440 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2443 def LDRT_POST_IMM : AI2ldstidx<1, 0, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2444 (ins addr_offset_none:$addr, am2offset_imm:$offset),
2445 IndexModePost, LdFrm, IIC_iLoad_ru,
2446 "ldrt", "\t$Rt, $addr, $offset",
2447 "$addr.base = $Rn_wb", []> {
2453 let Inst{23} = offset{12};
2454 let Inst{21} = 1; // overwrite
2455 let Inst{19-16} = addr;
2456 let Inst{11-0} = offset{11-0};
2457 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2460 def LDRBT_POST_REG : AI2ldstidx<1, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2461 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2462 IndexModePost, LdFrm, IIC_iLoad_bh_ru,
2463 "ldrbt", "\t$Rt, $addr, $offset",
2464 "$addr.base = $Rn_wb", []> {
2470 let Inst{23} = offset{12};
2471 let Inst{21} = 1; // overwrite
2472 let Inst{19-16} = addr;
2473 let Inst{11-5} = offset{11-5};
2475 let Inst{3-0} = offset{3-0};
2476 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2479 def LDRBT_POST_IMM : AI2ldstidx<1, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2480 (ins addr_offset_none:$addr, am2offset_imm:$offset),
2481 IndexModePost, LdFrm, IIC_iLoad_bh_ru,
2482 "ldrbt", "\t$Rt, $addr, $offset",
2483 "$addr.base = $Rn_wb", []> {
2489 let Inst{23} = offset{12};
2490 let Inst{21} = 1; // overwrite
2491 let Inst{19-16} = addr;
2492 let Inst{11-0} = offset{11-0};
2493 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2496 multiclass AI3ldrT<bits<4> op, string opc> {
2497 def i : AI3ldstidxT<op, 1, (outs GPR:$Rt, GPR:$base_wb),
2498 (ins addr_offset_none:$addr, postidx_imm8:$offset),
2499 IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru, opc,
2500 "\t$Rt, $addr, $offset", "$addr.base = $base_wb", []> {
2502 let Inst{23} = offset{8};
2504 let Inst{11-8} = offset{7-4};
2505 let Inst{3-0} = offset{3-0};
2507 def r : AI3ldstidxT<op, 1, (outs GPRnopc:$Rt, GPRnopc:$base_wb),
2508 (ins addr_offset_none:$addr, postidx_reg:$Rm),
2509 IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru, opc,
2510 "\t$Rt, $addr, $Rm", "$addr.base = $base_wb", []> {
2512 let Inst{23} = Rm{4};
2515 let Unpredictable{11-8} = 0b1111;
2516 let Inst{3-0} = Rm{3-0};
2517 let DecoderMethod = "DecodeLDR";
2521 defm LDRSBT : AI3ldrT<0b1101, "ldrsbt">;
2522 defm LDRHT : AI3ldrT<0b1011, "ldrht">;
2523 defm LDRSHT : AI3ldrT<0b1111, "ldrsht">;
2528 // Stores with truncate
2529 def STRH : AI3str<0b1011, (outs), (ins GPR:$Rt, addrmode3:$addr), StMiscFrm,
2530 IIC_iStore_bh_r, "strh", "\t$Rt, $addr",
2531 [(truncstorei16 GPR:$Rt, addrmode3:$addr)]>;
2534 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in
2535 def STRD : AI3str<0b1111, (outs), (ins GPR:$Rt, GPR:$src2, addrmode3:$addr),
2536 StMiscFrm, IIC_iStore_d_r,
2537 "strd", "\t$Rt, $src2, $addr", []>,
2538 Requires<[IsARM, HasV5TE]> {
2543 multiclass AI2_stridx<bit isByte, string opc,
2544 InstrItinClass iii, InstrItinClass iir> {
2545 def _PRE_IMM : AI2ldstidx<0, isByte, 1, (outs GPR:$Rn_wb),
2546 (ins GPR:$Rt, addrmode_imm12_pre:$addr), IndexModePre,
2548 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2551 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2552 let Inst{19-16} = addr{16-13}; // Rn
2553 let Inst{11-0} = addr{11-0}; // imm12
2554 let DecoderMethod = "DecodeSTRPreImm";
2557 def _PRE_REG : AI2ldstidx<0, isByte, 1, (outs GPR:$Rn_wb),
2558 (ins GPR:$Rt, ldst_so_reg:$addr),
2559 IndexModePre, StFrm, iir,
2560 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2563 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2564 let Inst{19-16} = addr{16-13}; // Rn
2565 let Inst{11-0} = addr{11-0};
2566 let Inst{4} = 0; // Inst{4} = 0
2567 let DecoderMethod = "DecodeSTRPreReg";
2569 def _POST_REG : AI2ldstidx<0, isByte, 0, (outs GPR:$Rn_wb),
2570 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_reg:$offset),
2571 IndexModePost, StFrm, iir,
2572 opc, "\t$Rt, $addr, $offset",
2573 "$addr.base = $Rn_wb", []> {
2579 let Inst{23} = offset{12};
2580 let Inst{19-16} = addr;
2581 let Inst{11-0} = offset{11-0};
2584 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2587 def _POST_IMM : AI2ldstidx<0, isByte, 0, (outs GPR:$Rn_wb),
2588 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_imm:$offset),
2589 IndexModePost, StFrm, iii,
2590 opc, "\t$Rt, $addr, $offset",
2591 "$addr.base = $Rn_wb", []> {
2597 let Inst{23} = offset{12};
2598 let Inst{19-16} = addr;
2599 let Inst{11-0} = offset{11-0};
2601 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2605 let mayStore = 1, neverHasSideEffects = 1 in {
2606 // FIXME: for STR_PRE_REG etc. the itineray should be either IIC_iStore_ru or
2607 // IIC_iStore_siu depending on whether it the offset register is shifted.
2608 defm STR : AI2_stridx<0, "str", IIC_iStore_iu, IIC_iStore_ru>;
2609 defm STRB : AI2_stridx<1, "strb", IIC_iStore_bh_iu, IIC_iStore_bh_ru>;
2612 def : ARMPat<(post_store GPR:$Rt, addr_offset_none:$addr,
2613 am2offset_reg:$offset),
2614 (STR_POST_REG GPR:$Rt, addr_offset_none:$addr,
2615 am2offset_reg:$offset)>;
2616 def : ARMPat<(post_store GPR:$Rt, addr_offset_none:$addr,
2617 am2offset_imm:$offset),
2618 (STR_POST_IMM GPR:$Rt, addr_offset_none:$addr,
2619 am2offset_imm:$offset)>;
2620 def : ARMPat<(post_truncsti8 GPR:$Rt, addr_offset_none:$addr,
2621 am2offset_reg:$offset),
2622 (STRB_POST_REG GPR:$Rt, addr_offset_none:$addr,
2623 am2offset_reg:$offset)>;
2624 def : ARMPat<(post_truncsti8 GPR:$Rt, addr_offset_none:$addr,
2625 am2offset_imm:$offset),
2626 (STRB_POST_IMM GPR:$Rt, addr_offset_none:$addr,
2627 am2offset_imm:$offset)>;
2629 // Pseudo-instructions for pattern matching the pre-indexed stores. We can't
2630 // put the patterns on the instruction definitions directly as ISel wants
2631 // the address base and offset to be separate operands, not a single
2632 // complex operand like we represent the instructions themselves. The
2633 // pseudos map between the two.
2634 let usesCustomInserter = 1,
2635 Constraints = "$Rn = $Rn_wb,@earlyclobber $Rn_wb" in {
2636 def STRi_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2637 (ins GPR:$Rt, GPR:$Rn, am2offset_imm:$offset, pred:$p),
2640 (pre_store GPR:$Rt, GPR:$Rn, am2offset_imm:$offset))]>;
2641 def STRr_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2642 (ins GPR:$Rt, GPR:$Rn, am2offset_reg:$offset, pred:$p),
2645 (pre_store GPR:$Rt, GPR:$Rn, am2offset_reg:$offset))]>;
2646 def STRBi_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2647 (ins GPR:$Rt, GPR:$Rn, am2offset_imm:$offset, pred:$p),
2650 (pre_truncsti8 GPR:$Rt, GPR:$Rn, am2offset_imm:$offset))]>;
2651 def STRBr_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2652 (ins GPR:$Rt, GPR:$Rn, am2offset_reg:$offset, pred:$p),
2655 (pre_truncsti8 GPR:$Rt, GPR:$Rn, am2offset_reg:$offset))]>;
2656 def STRH_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2657 (ins GPR:$Rt, GPR:$Rn, am3offset:$offset, pred:$p),
2660 (pre_truncsti16 GPR:$Rt, GPR:$Rn, am3offset:$offset))]>;
2665 def STRH_PRE : AI3ldstidx<0b1011, 0, 1, (outs GPR:$Rn_wb),
2666 (ins GPR:$Rt, addrmode3_pre:$addr), IndexModePre,
2667 StMiscFrm, IIC_iStore_bh_ru,
2668 "strh", "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2670 let Inst{23} = addr{8}; // U bit
2671 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2672 let Inst{19-16} = addr{12-9}; // Rn
2673 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2674 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2675 let DecoderMethod = "DecodeAddrMode3Instruction";
2678 def STRH_POST : AI3ldstidx<0b1011, 0, 0, (outs GPR:$Rn_wb),
2679 (ins GPR:$Rt, addr_offset_none:$addr, am3offset:$offset),
2680 IndexModePost, StMiscFrm, IIC_iStore_bh_ru,
2681 "strh", "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb",
2682 [(set GPR:$Rn_wb, (post_truncsti16 GPR:$Rt,
2683 addr_offset_none:$addr,
2684 am3offset:$offset))]> {
2687 let Inst{23} = offset{8}; // U bit
2688 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2689 let Inst{19-16} = addr;
2690 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2691 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2692 let DecoderMethod = "DecodeAddrMode3Instruction";
2695 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in {
2696 def STRD_PRE : AI3ldstidx<0b1111, 0, 1, (outs GPR:$Rn_wb),
2697 (ins GPR:$Rt, GPR:$Rt2, addrmode3_pre:$addr),
2698 IndexModePre, StMiscFrm, IIC_iStore_d_ru,
2699 "strd", "\t$Rt, $Rt2, $addr!",
2700 "$addr.base = $Rn_wb", []> {
2702 let Inst{23} = addr{8}; // U bit
2703 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2704 let Inst{19-16} = addr{12-9}; // Rn
2705 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2706 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2707 let DecoderMethod = "DecodeAddrMode3Instruction";
2710 def STRD_POST: AI3ldstidx<0b1111, 0, 0, (outs GPR:$Rn_wb),
2711 (ins GPR:$Rt, GPR:$Rt2, addr_offset_none:$addr,
2713 IndexModePost, StMiscFrm, IIC_iStore_d_ru,
2714 "strd", "\t$Rt, $Rt2, $addr, $offset",
2715 "$addr.base = $Rn_wb", []> {
2718 let Inst{23} = offset{8}; // U bit
2719 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2720 let Inst{19-16} = addr;
2721 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2722 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2723 let DecoderMethod = "DecodeAddrMode3Instruction";
2725 } // mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1
2727 // STRT, STRBT, and STRHT
2729 def STRBT_POST_REG : AI2ldstidx<0, 1, 0, (outs GPR:$Rn_wb),
2730 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_reg:$offset),
2731 IndexModePost, StFrm, IIC_iStore_bh_ru,
2732 "strbt", "\t$Rt, $addr, $offset",
2733 "$addr.base = $Rn_wb", []> {
2739 let Inst{23} = offset{12};
2740 let Inst{21} = 1; // overwrite
2741 let Inst{19-16} = addr;
2742 let Inst{11-5} = offset{11-5};
2744 let Inst{3-0} = offset{3-0};
2745 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2748 def STRBT_POST_IMM : AI2ldstidx<0, 1, 0, (outs GPR:$Rn_wb),
2749 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_imm:$offset),
2750 IndexModePost, StFrm, IIC_iStore_bh_ru,
2751 "strbt", "\t$Rt, $addr, $offset",
2752 "$addr.base = $Rn_wb", []> {
2758 let Inst{23} = offset{12};
2759 let Inst{21} = 1; // overwrite
2760 let Inst{19-16} = addr;
2761 let Inst{11-0} = offset{11-0};
2762 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2765 let mayStore = 1, neverHasSideEffects = 1 in {
2766 def STRT_POST_REG : AI2ldstidx<0, 0, 0, (outs GPR:$Rn_wb),
2767 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_reg:$offset),
2768 IndexModePost, StFrm, IIC_iStore_ru,
2769 "strt", "\t$Rt, $addr, $offset",
2770 "$addr.base = $Rn_wb", []> {
2776 let Inst{23} = offset{12};
2777 let Inst{21} = 1; // overwrite
2778 let Inst{19-16} = addr;
2779 let Inst{11-5} = offset{11-5};
2781 let Inst{3-0} = offset{3-0};
2782 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2785 def STRT_POST_IMM : AI2ldstidx<0, 0, 0, (outs GPR:$Rn_wb),
2786 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_imm:$offset),
2787 IndexModePost, StFrm, IIC_iStore_ru,
2788 "strt", "\t$Rt, $addr, $offset",
2789 "$addr.base = $Rn_wb", []> {
2795 let Inst{23} = offset{12};
2796 let Inst{21} = 1; // overwrite
2797 let Inst{19-16} = addr;
2798 let Inst{11-0} = offset{11-0};
2799 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2804 multiclass AI3strT<bits<4> op, string opc> {
2805 def i : AI3ldstidxT<op, 0, (outs GPR:$base_wb),
2806 (ins GPR:$Rt, addr_offset_none:$addr, postidx_imm8:$offset),
2807 IndexModePost, StMiscFrm, IIC_iStore_bh_ru, opc,
2808 "\t$Rt, $addr, $offset", "$addr.base = $base_wb", []> {
2810 let Inst{23} = offset{8};
2812 let Inst{11-8} = offset{7-4};
2813 let Inst{3-0} = offset{3-0};
2815 def r : AI3ldstidxT<op, 0, (outs GPR:$base_wb),
2816 (ins GPR:$Rt, addr_offset_none:$addr, postidx_reg:$Rm),
2817 IndexModePost, StMiscFrm, IIC_iStore_bh_ru, opc,
2818 "\t$Rt, $addr, $Rm", "$addr.base = $base_wb", []> {
2820 let Inst{23} = Rm{4};
2823 let Inst{3-0} = Rm{3-0};
2828 defm STRHT : AI3strT<0b1011, "strht">;
2831 //===----------------------------------------------------------------------===//
2832 // Load / store multiple Instructions.
2835 multiclass arm_ldst_mult<string asm, string sfx, bit L_bit, bit P_bit, Format f,
2836 InstrItinClass itin, InstrItinClass itin_upd> {
2837 // IA is the default, so no need for an explicit suffix on the
2838 // mnemonic here. Without it is the canonical spelling.
2840 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2841 IndexModeNone, f, itin,
2842 !strconcat(asm, "${p}\t$Rn, $regs", sfx), "", []> {
2843 let Inst{24-23} = 0b01; // Increment After
2844 let Inst{22} = P_bit;
2845 let Inst{21} = 0; // No writeback
2846 let Inst{20} = L_bit;
2849 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2850 IndexModeUpd, f, itin_upd,
2851 !strconcat(asm, "${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
2852 let Inst{24-23} = 0b01; // Increment After
2853 let Inst{22} = P_bit;
2854 let Inst{21} = 1; // Writeback
2855 let Inst{20} = L_bit;
2857 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
2860 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2861 IndexModeNone, f, itin,
2862 !strconcat(asm, "da${p}\t$Rn, $regs", sfx), "", []> {
2863 let Inst{24-23} = 0b00; // Decrement After
2864 let Inst{22} = P_bit;
2865 let Inst{21} = 0; // No writeback
2866 let Inst{20} = L_bit;
2869 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2870 IndexModeUpd, f, itin_upd,
2871 !strconcat(asm, "da${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
2872 let Inst{24-23} = 0b00; // Decrement After
2873 let Inst{22} = P_bit;
2874 let Inst{21} = 1; // Writeback
2875 let Inst{20} = L_bit;
2877 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
2880 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2881 IndexModeNone, f, itin,
2882 !strconcat(asm, "db${p}\t$Rn, $regs", sfx), "", []> {
2883 let Inst{24-23} = 0b10; // Decrement Before
2884 let Inst{22} = P_bit;
2885 let Inst{21} = 0; // No writeback
2886 let Inst{20} = L_bit;
2889 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2890 IndexModeUpd, f, itin_upd,
2891 !strconcat(asm, "db${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
2892 let Inst{24-23} = 0b10; // Decrement Before
2893 let Inst{22} = P_bit;
2894 let Inst{21} = 1; // Writeback
2895 let Inst{20} = L_bit;
2897 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
2900 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2901 IndexModeNone, f, itin,
2902 !strconcat(asm, "ib${p}\t$Rn, $regs", sfx), "", []> {
2903 let Inst{24-23} = 0b11; // Increment Before
2904 let Inst{22} = P_bit;
2905 let Inst{21} = 0; // No writeback
2906 let Inst{20} = L_bit;
2909 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2910 IndexModeUpd, f, itin_upd,
2911 !strconcat(asm, "ib${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
2912 let Inst{24-23} = 0b11; // Increment Before
2913 let Inst{22} = P_bit;
2914 let Inst{21} = 1; // Writeback
2915 let Inst{20} = L_bit;
2917 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
2921 let neverHasSideEffects = 1 in {
2923 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
2924 defm LDM : arm_ldst_mult<"ldm", "", 1, 0, LdStMulFrm, IIC_iLoad_m,
2927 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
2928 defm STM : arm_ldst_mult<"stm", "", 0, 0, LdStMulFrm, IIC_iStore_m,
2931 } // neverHasSideEffects
2933 // FIXME: remove when we have a way to marking a MI with these properties.
2934 // FIXME: Should pc be an implicit operand like PICADD, etc?
2935 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
2936 hasExtraDefRegAllocReq = 1, isCodeGenOnly = 1 in
2937 def LDMIA_RET : ARMPseudoExpand<(outs GPR:$wb), (ins GPR:$Rn, pred:$p,
2938 reglist:$regs, variable_ops),
2939 4, IIC_iLoad_mBr, [],
2940 (LDMIA_UPD GPR:$wb, GPR:$Rn, pred:$p, reglist:$regs)>,
2941 RegConstraint<"$Rn = $wb">;
2943 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
2944 defm sysLDM : arm_ldst_mult<"ldm", " ^", 1, 1, LdStMulFrm, IIC_iLoad_m,
2947 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
2948 defm sysSTM : arm_ldst_mult<"stm", " ^", 0, 1, LdStMulFrm, IIC_iStore_m,
2953 //===----------------------------------------------------------------------===//
2954 // Move Instructions.
2957 let neverHasSideEffects = 1 in
2958 def MOVr : AsI1<0b1101, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMOVr,
2959 "mov", "\t$Rd, $Rm", []>, UnaryDP, Sched<[WriteALU]> {
2963 let Inst{19-16} = 0b0000;
2964 let Inst{11-4} = 0b00000000;
2967 let Inst{15-12} = Rd;
2970 // A version for the smaller set of tail call registers.
2971 let neverHasSideEffects = 1 in
2972 def MOVr_TC : AsI1<0b1101, (outs tcGPR:$Rd), (ins tcGPR:$Rm), DPFrm,
2973 IIC_iMOVr, "mov", "\t$Rd, $Rm", []>, UnaryDP, Sched<[WriteALU]> {
2977 let Inst{11-4} = 0b00000000;
2980 let Inst{15-12} = Rd;
2983 def MOVsr : AsI1<0b1101, (outs GPRnopc:$Rd), (ins shift_so_reg_reg:$src),
2984 DPSoRegRegFrm, IIC_iMOVsr,
2985 "mov", "\t$Rd, $src",
2986 [(set GPRnopc:$Rd, shift_so_reg_reg:$src)]>, UnaryDP,
2990 let Inst{15-12} = Rd;
2991 let Inst{19-16} = 0b0000;
2992 let Inst{11-8} = src{11-8};
2994 let Inst{6-5} = src{6-5};
2996 let Inst{3-0} = src{3-0};
3000 def MOVsi : AsI1<0b1101, (outs GPR:$Rd), (ins shift_so_reg_imm:$src),
3001 DPSoRegImmFrm, IIC_iMOVsr,
3002 "mov", "\t$Rd, $src", [(set GPR:$Rd, shift_so_reg_imm:$src)]>,
3003 UnaryDP, Sched<[WriteALU]> {
3006 let Inst{15-12} = Rd;
3007 let Inst{19-16} = 0b0000;
3008 let Inst{11-5} = src{11-5};
3010 let Inst{3-0} = src{3-0};
3014 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
3015 def MOVi : AsI1<0b1101, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm, IIC_iMOVi,
3016 "mov", "\t$Rd, $imm", [(set GPR:$Rd, so_imm:$imm)]>, UnaryDP,
3021 let Inst{15-12} = Rd;
3022 let Inst{19-16} = 0b0000;
3023 let Inst{11-0} = imm;
3026 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
3027 def MOVi16 : AI1<0b1000, (outs GPR:$Rd), (ins imm0_65535_expr:$imm),
3029 "movw", "\t$Rd, $imm",
3030 [(set GPR:$Rd, imm0_65535:$imm)]>,
3031 Requires<[IsARM, HasV6T2]>, UnaryDP, Sched<[WriteALU]> {
3034 let Inst{15-12} = Rd;
3035 let Inst{11-0} = imm{11-0};
3036 let Inst{19-16} = imm{15-12};
3039 let DecoderMethod = "DecodeArmMOVTWInstruction";
3042 def : InstAlias<"mov${p} $Rd, $imm",
3043 (MOVi16 GPR:$Rd, imm0_65535_expr:$imm, pred:$p)>,
3046 def MOVi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
3047 (ins i32imm:$addr, pclabel:$id), IIC_iMOVi, []>,
3050 let Constraints = "$src = $Rd" in {
3051 def MOVTi16 : AI1<0b1010, (outs GPRnopc:$Rd),
3052 (ins GPR:$src, imm0_65535_expr:$imm),
3054 "movt", "\t$Rd, $imm",
3056 (or (and GPR:$src, 0xffff),
3057 lo16AllZero:$imm))]>, UnaryDP,
3058 Requires<[IsARM, HasV6T2]>, Sched<[WriteALU]> {
3061 let Inst{15-12} = Rd;
3062 let Inst{11-0} = imm{11-0};
3063 let Inst{19-16} = imm{15-12};
3066 let DecoderMethod = "DecodeArmMOVTWInstruction";
3069 def MOVTi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
3070 (ins GPR:$src, i32imm:$addr, pclabel:$id), IIC_iMOVi, []>,
3075 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
3076 Requires<[IsARM, HasV6T2]>;
3078 let Uses = [CPSR] in
3079 def RRX: PseudoInst<(outs GPR:$Rd), (ins GPR:$Rm), IIC_iMOVsi,
3080 [(set GPR:$Rd, (ARMrrx GPR:$Rm))]>, UnaryDP,
3081 Requires<[IsARM]>, Sched<[WriteALU]>;
3083 // These aren't really mov instructions, but we have to define them this way
3084 // due to flag operands.
3086 let Defs = [CPSR] in {
3087 def MOVsrl_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
3088 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP,
3089 Sched<[WriteALU]>, Requires<[IsARM]>;
3090 def MOVsra_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
3091 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP,
3092 Sched<[WriteALU]>, Requires<[IsARM]>;
3095 //===----------------------------------------------------------------------===//
3096 // Extend Instructions.
3101 def SXTB : AI_ext_rrot<0b01101010,
3102 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
3103 def SXTH : AI_ext_rrot<0b01101011,
3104 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
3106 def SXTAB : AI_exta_rrot<0b01101010,
3107 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
3108 def SXTAH : AI_exta_rrot<0b01101011,
3109 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
3111 def SXTB16 : AI_ext_rrot_np<0b01101000, "sxtb16">;
3113 def SXTAB16 : AI_exta_rrot_np<0b01101000, "sxtab16">;
3117 let AddedComplexity = 16 in {
3118 def UXTB : AI_ext_rrot<0b01101110,
3119 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
3120 def UXTH : AI_ext_rrot<0b01101111,
3121 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
3122 def UXTB16 : AI_ext_rrot<0b01101100,
3123 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
3125 // FIXME: This pattern incorrectly assumes the shl operator is a rotate.
3126 // The transformation should probably be done as a combiner action
3127 // instead so we can include a check for masking back in the upper
3128 // eight bits of the source into the lower eight bits of the result.
3129 //def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
3130 // (UXTB16r_rot GPR:$Src, 3)>;
3131 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
3132 (UXTB16 GPR:$Src, 1)>;
3134 def UXTAB : AI_exta_rrot<0b01101110, "uxtab",
3135 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
3136 def UXTAH : AI_exta_rrot<0b01101111, "uxtah",
3137 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
3140 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
3141 def UXTAB16 : AI_exta_rrot_np<0b01101100, "uxtab16">;
3144 def SBFX : I<(outs GPRnopc:$Rd),
3145 (ins GPRnopc:$Rn, imm0_31:$lsb, imm1_32:$width),
3146 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3147 "sbfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
3148 Requires<[IsARM, HasV6T2]> {
3153 let Inst{27-21} = 0b0111101;
3154 let Inst{6-4} = 0b101;
3155 let Inst{20-16} = width;
3156 let Inst{15-12} = Rd;
3157 let Inst{11-7} = lsb;
3161 def UBFX : I<(outs GPR:$Rd),
3162 (ins GPR:$Rn, imm0_31:$lsb, imm1_32:$width),
3163 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3164 "ubfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
3165 Requires<[IsARM, HasV6T2]> {
3170 let Inst{27-21} = 0b0111111;
3171 let Inst{6-4} = 0b101;
3172 let Inst{20-16} = width;
3173 let Inst{15-12} = Rd;
3174 let Inst{11-7} = lsb;
3178 //===----------------------------------------------------------------------===//
3179 // Arithmetic Instructions.
3182 defm ADD : AsI1_bin_irs<0b0100, "add",
3183 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3184 BinOpFrag<(add node:$LHS, node:$RHS)>, 1>;
3185 defm SUB : AsI1_bin_irs<0b0010, "sub",
3186 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3187 BinOpFrag<(sub node:$LHS, node:$RHS)>>;
3189 // ADD and SUB with 's' bit set.
3191 // Currently, ADDS/SUBS are pseudo opcodes that exist only in the
3192 // selection DAG. They are "lowered" to real ADD/SUB opcodes by
3193 // AdjustInstrPostInstrSelection where we determine whether or not to
3194 // set the "s" bit based on CPSR liveness.
3196 // FIXME: Eliminate ADDS/SUBS pseudo opcodes after adding tablegen
3197 // support for an optional CPSR definition that corresponds to the DAG
3198 // node's second value. We can then eliminate the implicit def of CPSR.
3199 defm ADDS : AsI1_bin_s_irs<IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3200 BinOpFrag<(ARMaddc node:$LHS, node:$RHS)>, 1>;
3201 defm SUBS : AsI1_bin_s_irs<IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3202 BinOpFrag<(ARMsubc node:$LHS, node:$RHS)>>;
3204 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
3205 BinOpWithFlagFrag<(ARMadde node:$LHS, node:$RHS, node:$FLAG)>, 1>;
3206 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
3207 BinOpWithFlagFrag<(ARMsube node:$LHS, node:$RHS, node:$FLAG)>>;
3209 defm RSB : AsI1_rbin_irs<0b0011, "rsb",
3210 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3211 BinOpFrag<(sub node:$LHS, node:$RHS)>>;
3213 // FIXME: Eliminate them if we can write def : Pat patterns which defines
3214 // CPSR and the implicit def of CPSR is not needed.
3215 defm RSBS : AsI1_rbin_s_is<IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3216 BinOpFrag<(ARMsubc node:$LHS, node:$RHS)>>;
3218 defm RSC : AI1_rsc_irs<0b0111, "rsc",
3219 BinOpWithFlagFrag<(ARMsube node:$LHS, node:$RHS, node:$FLAG)>>;
3221 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
3222 // The assume-no-carry-in form uses the negation of the input since add/sub
3223 // assume opposite meanings of the carry flag (i.e., carry == !borrow).
3224 // See the definition of AddWithCarry() in the ARM ARM A2.2.1 for the gory
3226 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
3227 (SUBri GPR:$src, so_imm_neg:$imm)>;
3228 def : ARMPat<(ARMaddc GPR:$src, so_imm_neg:$imm),
3229 (SUBSri GPR:$src, so_imm_neg:$imm)>;
3231 def : ARMPat<(add GPR:$src, imm0_65535_neg:$imm),
3232 (SUBrr GPR:$src, (MOVi16 (imm_neg_XFORM imm:$imm)))>,
3233 Requires<[IsARM, HasV6T2]>;
3234 def : ARMPat<(ARMaddc GPR:$src, imm0_65535_neg:$imm),
3235 (SUBSrr GPR:$src, (MOVi16 (imm_neg_XFORM imm:$imm)))>,
3236 Requires<[IsARM, HasV6T2]>;
3238 // The with-carry-in form matches bitwise not instead of the negation.
3239 // Effectively, the inverse interpretation of the carry flag already accounts
3240 // for part of the negation.
3241 def : ARMPat<(ARMadde GPR:$src, so_imm_not:$imm, CPSR),
3242 (SBCri GPR:$src, so_imm_not:$imm)>;
3243 def : ARMPat<(ARMadde GPR:$src, imm0_65535_neg:$imm, CPSR),
3244 (SBCrr GPR:$src, (MOVi16 (imm_not_XFORM imm:$imm)))>;
3246 // Note: These are implemented in C++ code, because they have to generate
3247 // ADD/SUBrs instructions, which use a complex pattern that a xform function
3249 // (mul X, 2^n+1) -> (add (X << n), X)
3250 // (mul X, 2^n-1) -> (rsb X, (X << n))
3252 // ARM Arithmetic Instruction
3253 // GPR:$dst = GPR:$a op GPR:$b
3254 class AAI<bits<8> op27_20, bits<8> op11_4, string opc,
3255 list<dag> pattern = [],
3256 dag iops = (ins GPRnopc:$Rn, GPRnopc:$Rm),
3257 string asm = "\t$Rd, $Rn, $Rm">
3258 : AI<(outs GPRnopc:$Rd), iops, DPFrm, IIC_iALUr, opc, asm, pattern>,
3259 Sched<[WriteALU, ReadALU, ReadALU]> {
3263 let Inst{27-20} = op27_20;
3264 let Inst{11-4} = op11_4;
3265 let Inst{19-16} = Rn;
3266 let Inst{15-12} = Rd;
3269 let Unpredictable{11-8} = 0b1111;
3272 // Saturating add/subtract
3274 let DecoderMethod = "DecodeQADDInstruction" in
3275 def QADD : AAI<0b00010000, 0b00000101, "qadd",
3276 [(set GPRnopc:$Rd, (int_arm_qadd GPRnopc:$Rm, GPRnopc:$Rn))],
3277 (ins GPRnopc:$Rm, GPRnopc:$Rn), "\t$Rd, $Rm, $Rn">;
3279 def QSUB : AAI<0b00010010, 0b00000101, "qsub",
3280 [(set GPRnopc:$Rd, (int_arm_qsub GPRnopc:$Rm, GPRnopc:$Rn))],
3281 (ins GPRnopc:$Rm, GPRnopc:$Rn), "\t$Rd, $Rm, $Rn">;
3282 def QDADD : AAI<0b00010100, 0b00000101, "qdadd", [],
3283 (ins GPRnopc:$Rm, GPRnopc:$Rn),
3285 def QDSUB : AAI<0b00010110, 0b00000101, "qdsub", [],
3286 (ins GPRnopc:$Rm, GPRnopc:$Rn),
3289 def QADD16 : AAI<0b01100010, 0b11110001, "qadd16">;
3290 def QADD8 : AAI<0b01100010, 0b11111001, "qadd8">;
3291 def QASX : AAI<0b01100010, 0b11110011, "qasx">;
3292 def QSAX : AAI<0b01100010, 0b11110101, "qsax">;
3293 def QSUB16 : AAI<0b01100010, 0b11110111, "qsub16">;
3294 def QSUB8 : AAI<0b01100010, 0b11111111, "qsub8">;
3295 def UQADD16 : AAI<0b01100110, 0b11110001, "uqadd16">;
3296 def UQADD8 : AAI<0b01100110, 0b11111001, "uqadd8">;
3297 def UQASX : AAI<0b01100110, 0b11110011, "uqasx">;
3298 def UQSAX : AAI<0b01100110, 0b11110101, "uqsax">;
3299 def UQSUB16 : AAI<0b01100110, 0b11110111, "uqsub16">;
3300 def UQSUB8 : AAI<0b01100110, 0b11111111, "uqsub8">;
3302 // Signed/Unsigned add/subtract
3304 def SASX : AAI<0b01100001, 0b11110011, "sasx">;
3305 def SADD16 : AAI<0b01100001, 0b11110001, "sadd16">;
3306 def SADD8 : AAI<0b01100001, 0b11111001, "sadd8">;
3307 def SSAX : AAI<0b01100001, 0b11110101, "ssax">;
3308 def SSUB16 : AAI<0b01100001, 0b11110111, "ssub16">;
3309 def SSUB8 : AAI<0b01100001, 0b11111111, "ssub8">;
3310 def UASX : AAI<0b01100101, 0b11110011, "uasx">;
3311 def UADD16 : AAI<0b01100101, 0b11110001, "uadd16">;
3312 def UADD8 : AAI<0b01100101, 0b11111001, "uadd8">;
3313 def USAX : AAI<0b01100101, 0b11110101, "usax">;
3314 def USUB16 : AAI<0b01100101, 0b11110111, "usub16">;
3315 def USUB8 : AAI<0b01100101, 0b11111111, "usub8">;
3317 // Signed/Unsigned halving add/subtract
3319 def SHASX : AAI<0b01100011, 0b11110011, "shasx">;
3320 def SHADD16 : AAI<0b01100011, 0b11110001, "shadd16">;
3321 def SHADD8 : AAI<0b01100011, 0b11111001, "shadd8">;
3322 def SHSAX : AAI<0b01100011, 0b11110101, "shsax">;
3323 def SHSUB16 : AAI<0b01100011, 0b11110111, "shsub16">;
3324 def SHSUB8 : AAI<0b01100011, 0b11111111, "shsub8">;
3325 def UHASX : AAI<0b01100111, 0b11110011, "uhasx">;
3326 def UHADD16 : AAI<0b01100111, 0b11110001, "uhadd16">;
3327 def UHADD8 : AAI<0b01100111, 0b11111001, "uhadd8">;
3328 def UHSAX : AAI<0b01100111, 0b11110101, "uhsax">;
3329 def UHSUB16 : AAI<0b01100111, 0b11110111, "uhsub16">;
3330 def UHSUB8 : AAI<0b01100111, 0b11111111, "uhsub8">;
3332 // Unsigned Sum of Absolute Differences [and Accumulate].
3334 def USAD8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3335 MulFrm /* for convenience */, NoItinerary, "usad8",
3336 "\t$Rd, $Rn, $Rm", []>,
3337 Requires<[IsARM, HasV6]>, Sched<[WriteALU, ReadALU, ReadALU]> {
3341 let Inst{27-20} = 0b01111000;
3342 let Inst{15-12} = 0b1111;
3343 let Inst{7-4} = 0b0001;
3344 let Inst{19-16} = Rd;
3345 let Inst{11-8} = Rm;
3348 def USADA8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3349 MulFrm /* for convenience */, NoItinerary, "usada8",
3350 "\t$Rd, $Rn, $Rm, $Ra", []>,
3351 Requires<[IsARM, HasV6]>, Sched<[WriteALU, ReadALU, ReadALU]>{
3356 let Inst{27-20} = 0b01111000;
3357 let Inst{7-4} = 0b0001;
3358 let Inst{19-16} = Rd;
3359 let Inst{15-12} = Ra;
3360 let Inst{11-8} = Rm;
3364 // Signed/Unsigned saturate
3366 def SSAT : AI<(outs GPRnopc:$Rd),
3367 (ins imm1_32:$sat_imm, GPRnopc:$Rn, shift_imm:$sh),
3368 SatFrm, NoItinerary, "ssat", "\t$Rd, $sat_imm, $Rn$sh", []> {
3373 let Inst{27-21} = 0b0110101;
3374 let Inst{5-4} = 0b01;
3375 let Inst{20-16} = sat_imm;
3376 let Inst{15-12} = Rd;
3377 let Inst{11-7} = sh{4-0};
3378 let Inst{6} = sh{5};
3382 def SSAT16 : AI<(outs GPRnopc:$Rd),
3383 (ins imm1_16:$sat_imm, GPRnopc:$Rn), SatFrm,
3384 NoItinerary, "ssat16", "\t$Rd, $sat_imm, $Rn", []> {
3388 let Inst{27-20} = 0b01101010;
3389 let Inst{11-4} = 0b11110011;
3390 let Inst{15-12} = Rd;
3391 let Inst{19-16} = sat_imm;
3395 def USAT : AI<(outs GPRnopc:$Rd),
3396 (ins imm0_31:$sat_imm, GPRnopc:$Rn, shift_imm:$sh),
3397 SatFrm, NoItinerary, "usat", "\t$Rd, $sat_imm, $Rn$sh", []> {
3402 let Inst{27-21} = 0b0110111;
3403 let Inst{5-4} = 0b01;
3404 let Inst{15-12} = Rd;
3405 let Inst{11-7} = sh{4-0};
3406 let Inst{6} = sh{5};
3407 let Inst{20-16} = sat_imm;
3411 def USAT16 : AI<(outs GPRnopc:$Rd),
3412 (ins imm0_15:$sat_imm, GPRnopc:$Rn), SatFrm,
3413 NoItinerary, "usat16", "\t$Rd, $sat_imm, $Rn", []> {
3417 let Inst{27-20} = 0b01101110;
3418 let Inst{11-4} = 0b11110011;
3419 let Inst{15-12} = Rd;
3420 let Inst{19-16} = sat_imm;
3424 def : ARMV6Pat<(int_arm_ssat GPRnopc:$a, imm:$pos),
3425 (SSAT imm:$pos, GPRnopc:$a, 0)>;
3426 def : ARMV6Pat<(int_arm_usat GPRnopc:$a, imm:$pos),
3427 (USAT imm:$pos, GPRnopc:$a, 0)>;
3429 //===----------------------------------------------------------------------===//
3430 // Bitwise Instructions.
3433 defm AND : AsI1_bin_irs<0b0000, "and",
3434 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3435 BinOpFrag<(and node:$LHS, node:$RHS)>, 1>;
3436 defm ORR : AsI1_bin_irs<0b1100, "orr",
3437 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3438 BinOpFrag<(or node:$LHS, node:$RHS)>, 1>;
3439 defm EOR : AsI1_bin_irs<0b0001, "eor",
3440 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3441 BinOpFrag<(xor node:$LHS, node:$RHS)>, 1>;
3442 defm BIC : AsI1_bin_irs<0b1110, "bic",
3443 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3444 BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
3446 // FIXME: bf_inv_mask_imm should be two operands, the lsb and the msb, just
3447 // like in the actual instruction encoding. The complexity of mapping the mask
3448 // to the lsb/msb pair should be handled by ISel, not encapsulated in the
3449 // instruction description.
3450 def BFC : I<(outs GPR:$Rd), (ins GPR:$src, bf_inv_mask_imm:$imm),
3451 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3452 "bfc", "\t$Rd, $imm", "$src = $Rd",
3453 [(set GPR:$Rd, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
3454 Requires<[IsARM, HasV6T2]> {
3457 let Inst{27-21} = 0b0111110;
3458 let Inst{6-0} = 0b0011111;
3459 let Inst{15-12} = Rd;
3460 let Inst{11-7} = imm{4-0}; // lsb
3461 let Inst{20-16} = imm{9-5}; // msb
3464 // A8.6.18 BFI - Bitfield insert (Encoding A1)
3465 def BFI:I<(outs GPRnopc:$Rd), (ins GPRnopc:$src, GPR:$Rn, bf_inv_mask_imm:$imm),
3466 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3467 "bfi", "\t$Rd, $Rn, $imm", "$src = $Rd",
3468 [(set GPRnopc:$Rd, (ARMbfi GPRnopc:$src, GPR:$Rn,
3469 bf_inv_mask_imm:$imm))]>,
3470 Requires<[IsARM, HasV6T2]> {
3474 let Inst{27-21} = 0b0111110;
3475 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
3476 let Inst{15-12} = Rd;
3477 let Inst{11-7} = imm{4-0}; // lsb
3478 let Inst{20-16} = imm{9-5}; // width
3482 def MVNr : AsI1<0b1111, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMVNr,
3483 "mvn", "\t$Rd, $Rm",
3484 [(set GPR:$Rd, (not GPR:$Rm))]>, UnaryDP, Sched<[WriteALU]> {
3488 let Inst{19-16} = 0b0000;
3489 let Inst{11-4} = 0b00000000;
3490 let Inst{15-12} = Rd;
3493 def MVNsi : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg_imm:$shift),
3494 DPSoRegImmFrm, IIC_iMVNsr, "mvn", "\t$Rd, $shift",
3495 [(set GPR:$Rd, (not so_reg_imm:$shift))]>, UnaryDP,
3500 let Inst{19-16} = 0b0000;
3501 let Inst{15-12} = Rd;
3502 let Inst{11-5} = shift{11-5};
3504 let Inst{3-0} = shift{3-0};
3506 def MVNsr : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg_reg:$shift),
3507 DPSoRegRegFrm, IIC_iMVNsr, "mvn", "\t$Rd, $shift",
3508 [(set GPR:$Rd, (not so_reg_reg:$shift))]>, UnaryDP,
3513 let Inst{19-16} = 0b0000;
3514 let Inst{15-12} = Rd;
3515 let Inst{11-8} = shift{11-8};
3517 let Inst{6-5} = shift{6-5};
3519 let Inst{3-0} = shift{3-0};
3521 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
3522 def MVNi : AsI1<0b1111, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm,
3523 IIC_iMVNi, "mvn", "\t$Rd, $imm",
3524 [(set GPR:$Rd, so_imm_not:$imm)]>,UnaryDP, Sched<[WriteALU]> {
3528 let Inst{19-16} = 0b0000;
3529 let Inst{15-12} = Rd;
3530 let Inst{11-0} = imm;
3533 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
3534 (BICri GPR:$src, so_imm_not:$imm)>;
3536 //===----------------------------------------------------------------------===//
3537 // Multiply Instructions.
3539 class AsMul1I32<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
3540 string opc, string asm, list<dag> pattern>
3541 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
3545 let Inst{19-16} = Rd;
3546 let Inst{11-8} = Rm;
3549 class AsMul1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
3550 string opc, string asm, list<dag> pattern>
3551 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
3556 let Inst{19-16} = RdHi;
3557 let Inst{15-12} = RdLo;
3558 let Inst{11-8} = Rm;
3561 class AsMla1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
3562 string opc, string asm, list<dag> pattern>
3563 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
3568 let Inst{19-16} = RdHi;
3569 let Inst{15-12} = RdLo;
3570 let Inst{11-8} = Rm;
3574 // FIXME: The v5 pseudos are only necessary for the additional Constraint
3575 // property. Remove them when it's possible to add those properties
3576 // on an individual MachineInstr, not just an instruction description.
3577 let isCommutable = 1, TwoOperandAliasConstraint = "$Rn = $Rd" in {
3578 def MUL : AsMul1I32<0b0000000, (outs GPRnopc:$Rd),
3579 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3580 IIC_iMUL32, "mul", "\t$Rd, $Rn, $Rm",
3581 [(set GPRnopc:$Rd, (mul GPRnopc:$Rn, GPRnopc:$Rm))]>,
3582 Requires<[IsARM, HasV6]> {
3583 let Inst{15-12} = 0b0000;
3584 let Unpredictable{15-12} = 0b1111;
3587 let Constraints = "@earlyclobber $Rd" in
3588 def MULv5: ARMPseudoExpand<(outs GPRnopc:$Rd), (ins GPRnopc:$Rn, GPRnopc:$Rm,
3589 pred:$p, cc_out:$s),
3591 [(set GPRnopc:$Rd, (mul GPRnopc:$Rn, GPRnopc:$Rm))],
3592 (MUL GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p, cc_out:$s)>,
3593 Requires<[IsARM, NoV6, UseMulOps]>;
3596 def MLA : AsMul1I32<0b0000001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3597 IIC_iMAC32, "mla", "\t$Rd, $Rn, $Rm, $Ra",
3598 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
3599 Requires<[IsARM, HasV6, UseMulOps]> {
3601 let Inst{15-12} = Ra;
3604 let Constraints = "@earlyclobber $Rd" in
3605 def MLAv5: ARMPseudoExpand<(outs GPR:$Rd),
3606 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra, pred:$p, cc_out:$s),
3608 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))],
3609 (MLA GPR:$Rd, GPR:$Rn, GPR:$Rm, GPR:$Ra, pred:$p, cc_out:$s)>,
3610 Requires<[IsARM, NoV6]>;
3612 def MLS : AMul1I<0b0000011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3613 IIC_iMAC32, "mls", "\t$Rd, $Rn, $Rm, $Ra",
3614 [(set GPR:$Rd, (sub GPR:$Ra, (mul GPR:$Rn, GPR:$Rm)))]>,
3615 Requires<[IsARM, HasV6T2, UseMulOps]> {
3620 let Inst{19-16} = Rd;
3621 let Inst{15-12} = Ra;
3622 let Inst{11-8} = Rm;
3626 // Extra precision multiplies with low / high results
3627 let neverHasSideEffects = 1 in {
3628 let isCommutable = 1 in {
3629 def SMULL : AsMul1I64<0b0000110, (outs GPR:$RdLo, GPR:$RdHi),
3630 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
3631 "smull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3632 Requires<[IsARM, HasV6]>;
3634 def UMULL : AsMul1I64<0b0000100, (outs GPR:$RdLo, GPR:$RdHi),
3635 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
3636 "umull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3637 Requires<[IsARM, HasV6]>;
3639 let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
3640 def SMULLv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3641 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
3643 (SMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3644 Requires<[IsARM, NoV6]>;
3646 def UMULLv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3647 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
3649 (UMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3650 Requires<[IsARM, NoV6]>;
3654 // Multiply + accumulate
3655 def SMLAL : AsMla1I64<0b0000111, (outs GPR:$RdLo, GPR:$RdHi),
3656 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi), IIC_iMAC64,
3657 "smlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3658 RegConstraint<"$RLo = $RdLo, $RHi = $RdHi">, Requires<[IsARM, HasV6]>;
3659 def UMLAL : AsMla1I64<0b0000101, (outs GPR:$RdLo, GPR:$RdHi),
3660 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi), IIC_iMAC64,
3661 "umlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3662 RegConstraint<"$RLo = $RdLo, $RHi = $RdHi">, Requires<[IsARM, HasV6]>;
3664 def UMAAL : AMul1I <0b0000010, (outs GPR:$RdLo, GPR:$RdHi),
3665 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
3666 "umaal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3667 Requires<[IsARM, HasV6]> {
3672 let Inst{19-16} = RdHi;
3673 let Inst{15-12} = RdLo;
3674 let Inst{11-8} = Rm;
3678 let Constraints = "$RLo = $RdLo,$RHi = $RdHi" in {
3679 def SMLALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3680 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi, pred:$p, cc_out:$s),
3682 (SMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi,
3683 pred:$p, cc_out:$s)>,
3684 Requires<[IsARM, NoV6]>;
3685 def UMLALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3686 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi, pred:$p, cc_out:$s),
3688 (UMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi,
3689 pred:$p, cc_out:$s)>,
3690 Requires<[IsARM, NoV6]>;
3693 let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
3694 def UMAALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3695 (ins GPR:$Rn, GPR:$Rm, pred:$p),
3697 (UMAAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p)>,
3698 Requires<[IsARM, NoV6]>;
3701 } // neverHasSideEffects
3703 // Most significant word multiply
3704 def SMMUL : AMul2I <0b0111010, 0b0001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3705 IIC_iMUL32, "smmul", "\t$Rd, $Rn, $Rm",
3706 [(set GPR:$Rd, (mulhs GPR:$Rn, GPR:$Rm))]>,
3707 Requires<[IsARM, HasV6]> {
3708 let Inst{15-12} = 0b1111;
3711 def SMMULR : AMul2I <0b0111010, 0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3712 IIC_iMUL32, "smmulr", "\t$Rd, $Rn, $Rm", []>,
3713 Requires<[IsARM, HasV6]> {
3714 let Inst{15-12} = 0b1111;
3717 def SMMLA : AMul2Ia <0b0111010, 0b0001, (outs GPR:$Rd),
3718 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3719 IIC_iMAC32, "smmla", "\t$Rd, $Rn, $Rm, $Ra",
3720 [(set GPR:$Rd, (add (mulhs GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
3721 Requires<[IsARM, HasV6, UseMulOps]>;
3723 def SMMLAR : AMul2Ia <0b0111010, 0b0011, (outs GPR:$Rd),
3724 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3725 IIC_iMAC32, "smmlar", "\t$Rd, $Rn, $Rm, $Ra", []>,
3726 Requires<[IsARM, HasV6]>;
3728 def SMMLS : AMul2Ia <0b0111010, 0b1101, (outs GPR:$Rd),
3729 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3730 IIC_iMAC32, "smmls", "\t$Rd, $Rn, $Rm, $Ra", []>,
3731 Requires<[IsARM, HasV6, UseMulOps]>;
3733 def SMMLSR : AMul2Ia <0b0111010, 0b1111, (outs GPR:$Rd),
3734 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3735 IIC_iMAC32, "smmlsr", "\t$Rd, $Rn, $Rm, $Ra", []>,
3736 Requires<[IsARM, HasV6]>;
3738 multiclass AI_smul<string opc, PatFrag opnode> {
3739 def BB : AMulxyI<0b0001011, 0b00, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3740 IIC_iMUL16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm",
3741 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
3742 (sext_inreg GPR:$Rm, i16)))]>,
3743 Requires<[IsARM, HasV5TE]>;
3745 def BT : AMulxyI<0b0001011, 0b10, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3746 IIC_iMUL16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm",
3747 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
3748 (sra GPR:$Rm, (i32 16))))]>,
3749 Requires<[IsARM, HasV5TE]>;
3751 def TB : AMulxyI<0b0001011, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3752 IIC_iMUL16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm",
3753 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
3754 (sext_inreg GPR:$Rm, i16)))]>,
3755 Requires<[IsARM, HasV5TE]>;
3757 def TT : AMulxyI<0b0001011, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3758 IIC_iMUL16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm",
3759 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
3760 (sra GPR:$Rm, (i32 16))))]>,
3761 Requires<[IsARM, HasV5TE]>;
3763 def WB : AMulxyI<0b0001001, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3764 IIC_iMUL16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm",
3765 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
3766 (sext_inreg GPR:$Rm, i16)), (i32 16)))]>,
3767 Requires<[IsARM, HasV5TE]>;
3769 def WT : AMulxyI<0b0001001, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3770 IIC_iMUL16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm",
3771 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
3772 (sra GPR:$Rm, (i32 16))), (i32 16)))]>,
3773 Requires<[IsARM, HasV5TE]>;
3777 multiclass AI_smla<string opc, PatFrag opnode> {
3778 let DecoderMethod = "DecodeSMLAInstruction" in {
3779 def BB : AMulxyIa<0b0001000, 0b00, (outs GPRnopc:$Rd),
3780 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3781 IIC_iMAC16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm, $Ra",
3782 [(set GPRnopc:$Rd, (add GPR:$Ra,
3783 (opnode (sext_inreg GPRnopc:$Rn, i16),
3784 (sext_inreg GPRnopc:$Rm, i16))))]>,
3785 Requires<[IsARM, HasV5TE, UseMulOps]>;
3787 def BT : AMulxyIa<0b0001000, 0b10, (outs GPRnopc:$Rd),
3788 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3789 IIC_iMAC16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm, $Ra",
3791 (add GPR:$Ra, (opnode (sext_inreg GPRnopc:$Rn, i16),
3792 (sra GPRnopc:$Rm, (i32 16)))))]>,
3793 Requires<[IsARM, HasV5TE, UseMulOps]>;
3795 def TB : AMulxyIa<0b0001000, 0b01, (outs GPRnopc:$Rd),
3796 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3797 IIC_iMAC16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm, $Ra",
3799 (add GPR:$Ra, (opnode (sra GPRnopc:$Rn, (i32 16)),
3800 (sext_inreg GPRnopc:$Rm, i16))))]>,
3801 Requires<[IsARM, HasV5TE, UseMulOps]>;
3803 def TT : AMulxyIa<0b0001000, 0b11, (outs GPRnopc:$Rd),
3804 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3805 IIC_iMAC16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm, $Ra",
3807 (add GPR:$Ra, (opnode (sra GPRnopc:$Rn, (i32 16)),
3808 (sra GPRnopc:$Rm, (i32 16)))))]>,
3809 Requires<[IsARM, HasV5TE, UseMulOps]>;
3811 def WB : AMulxyIa<0b0001001, 0b00, (outs GPRnopc:$Rd),
3812 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3813 IIC_iMAC16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm, $Ra",
3815 (add GPR:$Ra, (sra (opnode GPRnopc:$Rn,
3816 (sext_inreg GPRnopc:$Rm, i16)), (i32 16))))]>,
3817 Requires<[IsARM, HasV5TE, UseMulOps]>;
3819 def WT : AMulxyIa<0b0001001, 0b10, (outs GPRnopc:$Rd),
3820 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3821 IIC_iMAC16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm, $Ra",
3823 (add GPR:$Ra, (sra (opnode GPRnopc:$Rn,
3824 (sra GPRnopc:$Rm, (i32 16))), (i32 16))))]>,
3825 Requires<[IsARM, HasV5TE, UseMulOps]>;
3829 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
3830 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
3832 // Halfword multiply accumulate long: SMLAL<x><y>.
3833 def SMLALBB : AMulxyI64<0b0001010, 0b00, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3834 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3835 IIC_iMAC64, "smlalbb", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3836 Requires<[IsARM, HasV5TE]>;
3838 def SMLALBT : AMulxyI64<0b0001010, 0b10, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3839 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3840 IIC_iMAC64, "smlalbt", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3841 Requires<[IsARM, HasV5TE]>;
3843 def SMLALTB : AMulxyI64<0b0001010, 0b01, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3844 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3845 IIC_iMAC64, "smlaltb", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3846 Requires<[IsARM, HasV5TE]>;
3848 def SMLALTT : AMulxyI64<0b0001010, 0b11, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3849 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3850 IIC_iMAC64, "smlaltt", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3851 Requires<[IsARM, HasV5TE]>;
3853 // Helper class for AI_smld.
3854 class AMulDualIbase<bit long, bit sub, bit swap, dag oops, dag iops,
3855 InstrItinClass itin, string opc, string asm>
3856 : AI<oops, iops, MulFrm, itin, opc, asm, []>, Requires<[IsARM, HasV6]> {
3859 let Inst{27-23} = 0b01110;
3860 let Inst{22} = long;
3861 let Inst{21-20} = 0b00;
3862 let Inst{11-8} = Rm;
3869 class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
3870 InstrItinClass itin, string opc, string asm>
3871 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
3873 let Inst{15-12} = 0b1111;
3874 let Inst{19-16} = Rd;
3876 class AMulDualIa<bit long, bit sub, bit swap, dag oops, dag iops,
3877 InstrItinClass itin, string opc, string asm>
3878 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
3881 let Inst{19-16} = Rd;
3882 let Inst{15-12} = Ra;
3884 class AMulDualI64<bit long, bit sub, bit swap, dag oops, dag iops,
3885 InstrItinClass itin, string opc, string asm>
3886 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
3889 let Inst{19-16} = RdHi;
3890 let Inst{15-12} = RdLo;
3893 multiclass AI_smld<bit sub, string opc> {
3895 def D : AMulDualIa<0, sub, 0, (outs GPRnopc:$Rd),
3896 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3897 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm, $Ra">;
3899 def DX: AMulDualIa<0, sub, 1, (outs GPRnopc:$Rd),
3900 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3901 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm, $Ra">;
3903 def LD: AMulDualI64<1, sub, 0, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3904 (ins GPRnopc:$Rn, GPRnopc:$Rm), NoItinerary,
3905 !strconcat(opc, "ld"), "\t$RdLo, $RdHi, $Rn, $Rm">;
3907 def LDX : AMulDualI64<1, sub, 1, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3908 (ins GPRnopc:$Rn, GPRnopc:$Rm), NoItinerary,
3909 !strconcat(opc, "ldx"),"\t$RdLo, $RdHi, $Rn, $Rm">;
3913 defm SMLA : AI_smld<0, "smla">;
3914 defm SMLS : AI_smld<1, "smls">;
3916 multiclass AI_sdml<bit sub, string opc> {
3918 def D:AMulDualI<0, sub, 0, (outs GPRnopc:$Rd), (ins GPRnopc:$Rn, GPRnopc:$Rm),
3919 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm">;
3920 def DX:AMulDualI<0, sub, 1, (outs GPRnopc:$Rd),(ins GPRnopc:$Rn, GPRnopc:$Rm),
3921 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm">;
3924 defm SMUA : AI_sdml<0, "smua">;
3925 defm SMUS : AI_sdml<1, "smus">;
3927 //===----------------------------------------------------------------------===//
3928 // Division Instructions (ARMv7-A with virtualization extension)
3930 def SDIV : ADivA1I<0b001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), IIC_iDIV,
3931 "sdiv", "\t$Rd, $Rn, $Rm",
3932 [(set GPR:$Rd, (sdiv GPR:$Rn, GPR:$Rm))]>,
3933 Requires<[IsARM, HasDivideInARM]>;
3935 def UDIV : ADivA1I<0b011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), IIC_iDIV,
3936 "udiv", "\t$Rd, $Rn, $Rm",
3937 [(set GPR:$Rd, (udiv GPR:$Rn, GPR:$Rm))]>,
3938 Requires<[IsARM, HasDivideInARM]>;
3940 //===----------------------------------------------------------------------===//
3941 // Misc. Arithmetic Instructions.
3944 def CLZ : AMiscA1I<0b000010110, 0b0001, (outs GPR:$Rd), (ins GPR:$Rm),
3945 IIC_iUNAr, "clz", "\t$Rd, $Rm",
3946 [(set GPR:$Rd, (ctlz GPR:$Rm))]>, Requires<[IsARM, HasV5T]>,
3949 def RBIT : AMiscA1I<0b01101111, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
3950 IIC_iUNAr, "rbit", "\t$Rd, $Rm",
3951 [(set GPR:$Rd, (ARMrbit GPR:$Rm))]>,
3952 Requires<[IsARM, HasV6T2]>,
3955 def REV : AMiscA1I<0b01101011, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
3956 IIC_iUNAr, "rev", "\t$Rd, $Rm",
3957 [(set GPR:$Rd, (bswap GPR:$Rm))]>, Requires<[IsARM, HasV6]>,
3960 let AddedComplexity = 5 in
3961 def REV16 : AMiscA1I<0b01101011, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
3962 IIC_iUNAr, "rev16", "\t$Rd, $Rm",
3963 [(set GPR:$Rd, (rotr (bswap GPR:$Rm), (i32 16)))]>,
3964 Requires<[IsARM, HasV6]>,
3967 let AddedComplexity = 5 in
3968 def REVSH : AMiscA1I<0b01101111, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
3969 IIC_iUNAr, "revsh", "\t$Rd, $Rm",
3970 [(set GPR:$Rd, (sra (bswap GPR:$Rm), (i32 16)))]>,
3971 Requires<[IsARM, HasV6]>,
3974 def : ARMV6Pat<(or (sra (shl GPR:$Rm, (i32 24)), (i32 16)),
3975 (and (srl GPR:$Rm, (i32 8)), 0xFF)),
3978 def PKHBT : APKHI<0b01101000, 0, (outs GPRnopc:$Rd),
3979 (ins GPRnopc:$Rn, GPRnopc:$Rm, pkh_lsl_amt:$sh),
3980 IIC_iALUsi, "pkhbt", "\t$Rd, $Rn, $Rm$sh",
3981 [(set GPRnopc:$Rd, (or (and GPRnopc:$Rn, 0xFFFF),
3982 (and (shl GPRnopc:$Rm, pkh_lsl_amt:$sh),
3984 Requires<[IsARM, HasV6]>,
3985 Sched<[WriteALUsi, ReadALU]>;
3987 // Alternate cases for PKHBT where identities eliminate some nodes.
3988 def : ARMV6Pat<(or (and GPRnopc:$Rn, 0xFFFF), (and GPRnopc:$Rm, 0xFFFF0000)),
3989 (PKHBT GPRnopc:$Rn, GPRnopc:$Rm, 0)>;
3990 def : ARMV6Pat<(or (and GPRnopc:$Rn, 0xFFFF), (shl GPRnopc:$Rm, imm16_31:$sh)),
3991 (PKHBT GPRnopc:$Rn, GPRnopc:$Rm, imm16_31:$sh)>;
3993 // Note: Shifts of 1-15 bits will be transformed to srl instead of sra and
3994 // will match the pattern below.
3995 def PKHTB : APKHI<0b01101000, 1, (outs GPRnopc:$Rd),
3996 (ins GPRnopc:$Rn, GPRnopc:$Rm, pkh_asr_amt:$sh),
3997 IIC_iBITsi, "pkhtb", "\t$Rd, $Rn, $Rm$sh",
3998 [(set GPRnopc:$Rd, (or (and GPRnopc:$Rn, 0xFFFF0000),
3999 (and (sra GPRnopc:$Rm, pkh_asr_amt:$sh),
4001 Requires<[IsARM, HasV6]>,
4002 Sched<[WriteALUsi, ReadALU]>;
4004 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
4005 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
4006 // We also can not replace a srl (17..31) by an arithmetic shift we would use in
4007 // pkhtb src1, src2, asr (17..31).
4008 def : ARMV6Pat<(or (and GPRnopc:$src1, 0xFFFF0000),
4009 (srl GPRnopc:$src2, imm16:$sh)),
4010 (PKHTB GPRnopc:$src1, GPRnopc:$src2, imm16:$sh)>;
4011 def : ARMV6Pat<(or (and GPRnopc:$src1, 0xFFFF0000),
4012 (sra GPRnopc:$src2, imm16_31:$sh)),
4013 (PKHTB GPRnopc:$src1, GPRnopc:$src2, imm16_31:$sh)>;
4014 def : ARMV6Pat<(or (and GPRnopc:$src1, 0xFFFF0000),
4015 (and (srl GPRnopc:$src2, imm1_15:$sh), 0xFFFF)),
4016 (PKHTB GPRnopc:$src1, GPRnopc:$src2, imm1_15:$sh)>;
4018 //===----------------------------------------------------------------------===//
4019 // Comparison Instructions...
4022 defm CMP : AI1_cmp_irs<0b1010, "cmp",
4023 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
4024 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
4026 // ARMcmpZ can re-use the above instruction definitions.
4027 def : ARMPat<(ARMcmpZ GPR:$src, so_imm:$imm),
4028 (CMPri GPR:$src, so_imm:$imm)>;
4029 def : ARMPat<(ARMcmpZ GPR:$src, GPR:$rhs),
4030 (CMPrr GPR:$src, GPR:$rhs)>;
4031 def : ARMPat<(ARMcmpZ GPR:$src, so_reg_imm:$rhs),
4032 (CMPrsi GPR:$src, so_reg_imm:$rhs)>;
4033 def : ARMPat<(ARMcmpZ GPR:$src, so_reg_reg:$rhs),
4034 (CMPrsr GPR:$src, so_reg_reg:$rhs)>;
4036 // CMN register-integer
4037 let isCompare = 1, Defs = [CPSR] in {
4038 def CMNri : AI1<0b1011, (outs), (ins GPR:$Rn, so_imm:$imm), DPFrm, IIC_iCMPi,
4039 "cmn", "\t$Rn, $imm",
4040 [(ARMcmn GPR:$Rn, so_imm:$imm)]>,
4041 Sched<[WriteCMP, ReadALU]> {
4046 let Inst{19-16} = Rn;
4047 let Inst{15-12} = 0b0000;
4048 let Inst{11-0} = imm;
4050 let Unpredictable{15-12} = 0b1111;
4053 // CMN register-register/shift
4054 def CMNzrr : AI1<0b1011, (outs), (ins GPR:$Rn, GPR:$Rm), DPFrm, IIC_iCMPr,
4055 "cmn", "\t$Rn, $Rm",
4056 [(BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>
4057 GPR:$Rn, GPR:$Rm)]>, Sched<[WriteCMP, ReadALU, ReadALU]> {
4060 let isCommutable = 1;
4063 let Inst{19-16} = Rn;
4064 let Inst{15-12} = 0b0000;
4065 let Inst{11-4} = 0b00000000;
4068 let Unpredictable{15-12} = 0b1111;
4071 def CMNzrsi : AI1<0b1011, (outs),
4072 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm, IIC_iCMPsr,
4073 "cmn", "\t$Rn, $shift",
4074 [(BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>
4075 GPR:$Rn, so_reg_imm:$shift)]>,
4076 Sched<[WriteCMPsi, ReadALU]> {
4081 let Inst{19-16} = Rn;
4082 let Inst{15-12} = 0b0000;
4083 let Inst{11-5} = shift{11-5};
4085 let Inst{3-0} = shift{3-0};
4087 let Unpredictable{15-12} = 0b1111;
4090 def CMNzrsr : AI1<0b1011, (outs),
4091 (ins GPRnopc:$Rn, so_reg_reg:$shift), DPSoRegRegFrm, IIC_iCMPsr,
4092 "cmn", "\t$Rn, $shift",
4093 [(BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>
4094 GPRnopc:$Rn, so_reg_reg:$shift)]>,
4095 Sched<[WriteCMPsr, ReadALU]> {
4100 let Inst{19-16} = Rn;
4101 let Inst{15-12} = 0b0000;
4102 let Inst{11-8} = shift{11-8};
4104 let Inst{6-5} = shift{6-5};
4106 let Inst{3-0} = shift{3-0};
4108 let Unpredictable{15-12} = 0b1111;
4113 def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
4114 (CMNri GPR:$src, so_imm_neg:$imm)>;
4116 def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
4117 (CMNri GPR:$src, so_imm_neg:$imm)>;
4119 // Note that TST/TEQ don't set all the same flags that CMP does!
4120 defm TST : AI1_cmp_irs<0b1000, "tst",
4121 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
4122 BinOpFrag<(ARMcmpZ (and_su node:$LHS, node:$RHS), 0)>, 1>;
4123 defm TEQ : AI1_cmp_irs<0b1001, "teq",
4124 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
4125 BinOpFrag<(ARMcmpZ (xor_su node:$LHS, node:$RHS), 0)>, 1>;
4127 // Pseudo i64 compares for some floating point compares.
4128 let usesCustomInserter = 1, isBranch = 1, isTerminator = 1,
4130 def BCCi64 : PseudoInst<(outs),
4131 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, brtarget:$dst),
4133 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, bb:$dst)]>,
4136 def BCCZi64 : PseudoInst<(outs),
4137 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, brtarget:$dst), IIC_Br,
4138 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, 0, 0, bb:$dst)]>,
4140 } // usesCustomInserter
4143 // Conditional moves
4144 // FIXME: should be able to write a pattern for ARMcmov, but can't use
4145 // a two-value operand where a dag node expects two operands. :(
4146 let neverHasSideEffects = 1 in {
4148 let isCommutable = 1, isSelect = 1 in
4149 def MOVCCr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$false, GPR:$Rm, pred:$p),
4151 [/*(set GPR:$Rd, (ARMcmov GPR:$false, GPR:$Rm, imm:$cc, CCR:$ccr))*/]>,
4152 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4154 def MOVCCsi : ARMPseudoInst<(outs GPR:$Rd),
4155 (ins GPR:$false, so_reg_imm:$shift, pred:$p),
4157 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_reg_imm:$shift,
4158 imm:$cc, CCR:$ccr))*/]>,
4159 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4160 def MOVCCsr : ARMPseudoInst<(outs GPR:$Rd),
4161 (ins GPR:$false, so_reg_reg:$shift, pred:$p),
4163 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_reg_reg:$shift,
4164 imm:$cc, CCR:$ccr))*/]>,
4165 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4168 let isMoveImm = 1 in
4169 def MOVCCi16 : ARMPseudoInst<(outs GPR:$Rd),
4170 (ins GPR:$false, imm0_65535_expr:$imm, pred:$p),
4173 RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>,
4176 let isMoveImm = 1 in
4177 def MOVCCi : ARMPseudoInst<(outs GPR:$Rd),
4178 (ins GPR:$false, so_imm:$imm, pred:$p),
4180 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm:$imm, imm:$cc, CCR:$ccr))*/]>,
4181 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4183 // Two instruction predicate mov immediate.
4184 let isMoveImm = 1 in
4185 def MOVCCi32imm : ARMPseudoInst<(outs GPR:$Rd),
4186 (ins GPR:$false, i32imm:$src, pred:$p),
4187 8, IIC_iCMOVix2, []>, RegConstraint<"$false = $Rd">;
4189 let isMoveImm = 1 in
4190 def MVNCCi : ARMPseudoInst<(outs GPR:$Rd),
4191 (ins GPR:$false, so_imm:$imm, pred:$p),
4193 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm_not:$imm, imm:$cc, CCR:$ccr))*/]>,
4194 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4196 } // neverHasSideEffects
4199 //===----------------------------------------------------------------------===//
4200 // Atomic operations intrinsics
4203 def MemBarrierOptOperand : AsmOperandClass {
4204 let Name = "MemBarrierOpt";
4205 let ParserMethod = "parseMemBarrierOptOperand";
4207 def memb_opt : Operand<i32> {
4208 let PrintMethod = "printMemBOption";
4209 let ParserMatchClass = MemBarrierOptOperand;
4210 let DecoderMethod = "DecodeMemBarrierOption";
4213 def InstSyncBarrierOptOperand : AsmOperandClass {
4214 let Name = "InstSyncBarrierOpt";
4215 let ParserMethod = "parseInstSyncBarrierOptOperand";
4217 def instsyncb_opt : Operand<i32> {
4218 let PrintMethod = "printInstSyncBOption";
4219 let ParserMatchClass = InstSyncBarrierOptOperand;
4220 let DecoderMethod = "DecodeInstSyncBarrierOption";
4223 // memory barriers protect the atomic sequences
4224 let hasSideEffects = 1 in {
4225 def DMB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
4226 "dmb", "\t$opt", [(ARMMemBarrier (i32 imm:$opt))]>,
4227 Requires<[IsARM, HasDB]> {
4229 let Inst{31-4} = 0xf57ff05;
4230 let Inst{3-0} = opt;
4234 def DSB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
4235 "dsb", "\t$opt", []>,
4236 Requires<[IsARM, HasDB]> {
4238 let Inst{31-4} = 0xf57ff04;
4239 let Inst{3-0} = opt;
4242 // ISB has only full system option
4243 def ISB : AInoP<(outs), (ins instsyncb_opt:$opt), MiscFrm, NoItinerary,
4244 "isb", "\t$opt", []>,
4245 Requires<[IsARM, HasDB]> {
4247 let Inst{31-4} = 0xf57ff06;
4248 let Inst{3-0} = opt;
4251 // Pseudo instruction that combines movs + predicated rsbmi
4252 // to implement integer ABS
4253 let usesCustomInserter = 1, Defs = [CPSR] in
4254 def ABS : ARMPseudoInst<(outs GPR:$dst), (ins GPR:$src), 8, NoItinerary, []>;
4256 let usesCustomInserter = 1 in {
4257 let Defs = [CPSR] in {
4258 def ATOMIC_LOAD_ADD_I8 : PseudoInst<
4259 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4260 [(set GPR:$dst, (atomic_load_add_8 GPR:$ptr, GPR:$incr))]>;
4261 def ATOMIC_LOAD_SUB_I8 : PseudoInst<
4262 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4263 [(set GPR:$dst, (atomic_load_sub_8 GPR:$ptr, GPR:$incr))]>;
4264 def ATOMIC_LOAD_AND_I8 : PseudoInst<
4265 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4266 [(set GPR:$dst, (atomic_load_and_8 GPR:$ptr, GPR:$incr))]>;
4267 def ATOMIC_LOAD_OR_I8 : PseudoInst<
4268 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4269 [(set GPR:$dst, (atomic_load_or_8 GPR:$ptr, GPR:$incr))]>;
4270 def ATOMIC_LOAD_XOR_I8 : PseudoInst<
4271 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4272 [(set GPR:$dst, (atomic_load_xor_8 GPR:$ptr, GPR:$incr))]>;
4273 def ATOMIC_LOAD_NAND_I8 : PseudoInst<
4274 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4275 [(set GPR:$dst, (atomic_load_nand_8 GPR:$ptr, GPR:$incr))]>;
4276 def ATOMIC_LOAD_MIN_I8 : PseudoInst<
4277 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4278 [(set GPR:$dst, (atomic_load_min_8 GPR:$ptr, GPR:$val))]>;
4279 def ATOMIC_LOAD_MAX_I8 : PseudoInst<
4280 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4281 [(set GPR:$dst, (atomic_load_max_8 GPR:$ptr, GPR:$val))]>;
4282 def ATOMIC_LOAD_UMIN_I8 : PseudoInst<
4283 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4284 [(set GPR:$dst, (atomic_load_umin_8 GPR:$ptr, GPR:$val))]>;
4285 def ATOMIC_LOAD_UMAX_I8 : PseudoInst<
4286 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4287 [(set GPR:$dst, (atomic_load_umax_8 GPR:$ptr, GPR:$val))]>;
4288 def ATOMIC_LOAD_ADD_I16 : PseudoInst<
4289 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4290 [(set GPR:$dst, (atomic_load_add_16 GPR:$ptr, GPR:$incr))]>;
4291 def ATOMIC_LOAD_SUB_I16 : PseudoInst<
4292 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4293 [(set GPR:$dst, (atomic_load_sub_16 GPR:$ptr, GPR:$incr))]>;
4294 def ATOMIC_LOAD_AND_I16 : PseudoInst<
4295 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4296 [(set GPR:$dst, (atomic_load_and_16 GPR:$ptr, GPR:$incr))]>;
4297 def ATOMIC_LOAD_OR_I16 : PseudoInst<
4298 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4299 [(set GPR:$dst, (atomic_load_or_16 GPR:$ptr, GPR:$incr))]>;
4300 def ATOMIC_LOAD_XOR_I16 : PseudoInst<
4301 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4302 [(set GPR:$dst, (atomic_load_xor_16 GPR:$ptr, GPR:$incr))]>;
4303 def ATOMIC_LOAD_NAND_I16 : PseudoInst<
4304 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4305 [(set GPR:$dst, (atomic_load_nand_16 GPR:$ptr, GPR:$incr))]>;
4306 def ATOMIC_LOAD_MIN_I16 : PseudoInst<
4307 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4308 [(set GPR:$dst, (atomic_load_min_16 GPR:$ptr, GPR:$val))]>;
4309 def ATOMIC_LOAD_MAX_I16 : PseudoInst<
4310 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4311 [(set GPR:$dst, (atomic_load_max_16 GPR:$ptr, GPR:$val))]>;
4312 def ATOMIC_LOAD_UMIN_I16 : PseudoInst<
4313 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4314 [(set GPR:$dst, (atomic_load_umin_16 GPR:$ptr, GPR:$val))]>;
4315 def ATOMIC_LOAD_UMAX_I16 : PseudoInst<
4316 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4317 [(set GPR:$dst, (atomic_load_umax_16 GPR:$ptr, GPR:$val))]>;
4318 def ATOMIC_LOAD_ADD_I32 : PseudoInst<
4319 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4320 [(set GPR:$dst, (atomic_load_add_32 GPR:$ptr, GPR:$incr))]>;
4321 def ATOMIC_LOAD_SUB_I32 : PseudoInst<
4322 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4323 [(set GPR:$dst, (atomic_load_sub_32 GPR:$ptr, GPR:$incr))]>;
4324 def ATOMIC_LOAD_AND_I32 : PseudoInst<
4325 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4326 [(set GPR:$dst, (atomic_load_and_32 GPR:$ptr, GPR:$incr))]>;
4327 def ATOMIC_LOAD_OR_I32 : PseudoInst<
4328 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4329 [(set GPR:$dst, (atomic_load_or_32 GPR:$ptr, GPR:$incr))]>;
4330 def ATOMIC_LOAD_XOR_I32 : PseudoInst<
4331 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4332 [(set GPR:$dst, (atomic_load_xor_32 GPR:$ptr, GPR:$incr))]>;
4333 def ATOMIC_LOAD_NAND_I32 : PseudoInst<
4334 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4335 [(set GPR:$dst, (atomic_load_nand_32 GPR:$ptr, GPR:$incr))]>;
4336 def ATOMIC_LOAD_MIN_I32 : PseudoInst<
4337 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4338 [(set GPR:$dst, (atomic_load_min_32 GPR:$ptr, GPR:$val))]>;
4339 def ATOMIC_LOAD_MAX_I32 : PseudoInst<
4340 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4341 [(set GPR:$dst, (atomic_load_max_32 GPR:$ptr, GPR:$val))]>;
4342 def ATOMIC_LOAD_UMIN_I32 : PseudoInst<
4343 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4344 [(set GPR:$dst, (atomic_load_umin_32 GPR:$ptr, GPR:$val))]>;
4345 def ATOMIC_LOAD_UMAX_I32 : PseudoInst<
4346 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4347 [(set GPR:$dst, (atomic_load_umax_32 GPR:$ptr, GPR:$val))]>;
4349 def ATOMIC_SWAP_I8 : PseudoInst<
4350 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
4351 [(set GPR:$dst, (atomic_swap_8 GPR:$ptr, GPR:$new))]>;
4352 def ATOMIC_SWAP_I16 : PseudoInst<
4353 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
4354 [(set GPR:$dst, (atomic_swap_16 GPR:$ptr, GPR:$new))]>;
4355 def ATOMIC_SWAP_I32 : PseudoInst<
4356 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
4357 [(set GPR:$dst, (atomic_swap_32 GPR:$ptr, GPR:$new))]>;
4359 def ATOMIC_CMP_SWAP_I8 : PseudoInst<
4360 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
4361 [(set GPR:$dst, (atomic_cmp_swap_8 GPR:$ptr, GPR:$old, GPR:$new))]>;
4362 def ATOMIC_CMP_SWAP_I16 : PseudoInst<
4363 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
4364 [(set GPR:$dst, (atomic_cmp_swap_16 GPR:$ptr, GPR:$old, GPR:$new))]>;
4365 def ATOMIC_CMP_SWAP_I32 : PseudoInst<
4366 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
4367 [(set GPR:$dst, (atomic_cmp_swap_32 GPR:$ptr, GPR:$old, GPR:$new))]>;
4371 let usesCustomInserter = 1 in {
4372 def COPY_STRUCT_BYVAL_I32 : PseudoInst<
4373 (outs), (ins GPR:$dst, GPR:$src, i32imm:$size, i32imm:$alignment),
4375 [(ARMcopystructbyval GPR:$dst, GPR:$src, imm:$size, imm:$alignment)]>;
4378 def ldrex_1 : PatFrag<(ops node:$ptr), (int_arm_ldrex node:$ptr), [{
4379 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i8;
4382 def ldrex_2 : PatFrag<(ops node:$ptr), (int_arm_ldrex node:$ptr), [{
4383 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i16;
4386 def ldrex_4 : PatFrag<(ops node:$ptr), (int_arm_ldrex node:$ptr), [{
4387 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i32;
4390 def strex_1 : PatFrag<(ops node:$val, node:$ptr),
4391 (int_arm_strex node:$val, node:$ptr), [{
4392 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i8;
4395 def strex_2 : PatFrag<(ops node:$val, node:$ptr),
4396 (int_arm_strex node:$val, node:$ptr), [{
4397 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i16;
4400 def strex_4 : PatFrag<(ops node:$val, node:$ptr),
4401 (int_arm_strex node:$val, node:$ptr), [{
4402 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i32;
4405 let mayLoad = 1 in {
4406 def LDREXB : AIldrex<0b10, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4408 "ldrexb", "\t$Rt, $addr",
4409 [(set GPR:$Rt, (ldrex_1 addr_offset_none:$addr))]>;
4410 def LDREXH : AIldrex<0b11, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4411 NoItinerary, "ldrexh", "\t$Rt, $addr",
4412 [(set GPR:$Rt, (ldrex_2 addr_offset_none:$addr))]>;
4413 def LDREX : AIldrex<0b00, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4414 NoItinerary, "ldrex", "\t$Rt, $addr",
4415 [(set GPR:$Rt, (ldrex_4 addr_offset_none:$addr))]>;
4416 let hasExtraDefRegAllocReq = 1 in
4417 def LDREXD: AIldrex<0b01, (outs GPRPairOp:$Rt),(ins addr_offset_none:$addr),
4418 NoItinerary, "ldrexd", "\t$Rt, $addr", []> {
4419 let DecoderMethod = "DecodeDoubleRegLoad";
4423 let mayStore = 1, Constraints = "@earlyclobber $Rd" in {
4424 def STREXB: AIstrex<0b10, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4425 NoItinerary, "strexb", "\t$Rd, $Rt, $addr",
4426 [(set GPR:$Rd, (strex_1 GPR:$Rt, addr_offset_none:$addr))]>;
4427 def STREXH: AIstrex<0b11, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4428 NoItinerary, "strexh", "\t$Rd, $Rt, $addr",
4429 [(set GPR:$Rd, (strex_2 GPR:$Rt, addr_offset_none:$addr))]>;
4430 def STREX : AIstrex<0b00, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4431 NoItinerary, "strex", "\t$Rd, $Rt, $addr",
4432 [(set GPR:$Rd, (strex_4 GPR:$Rt, addr_offset_none:$addr))]>;
4433 let hasExtraSrcRegAllocReq = 1 in
4434 def STREXD : AIstrex<0b01, (outs GPR:$Rd),
4435 (ins GPRPairOp:$Rt, addr_offset_none:$addr),
4436 NoItinerary, "strexd", "\t$Rd, $Rt, $addr", []> {
4437 let DecoderMethod = "DecodeDoubleRegStore";
4442 def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex",
4444 Requires<[IsARM, HasV7]> {
4445 let Inst{31-0} = 0b11110101011111111111000000011111;
4448 def : ARMPat<(and (ldrex_1 addr_offset_none:$addr), 0xff),
4449 (LDREXB addr_offset_none:$addr)>;
4450 def : ARMPat<(and (ldrex_2 addr_offset_none:$addr), 0xffff),
4451 (LDREXH addr_offset_none:$addr)>;
4452 def : ARMPat<(strex_1 (and GPR:$Rt, 0xff), addr_offset_none:$addr),
4453 (STREXB GPR:$Rt, addr_offset_none:$addr)>;
4454 def : ARMPat<(strex_2 (and GPR:$Rt, 0xffff), addr_offset_none:$addr),
4455 (STREXH GPR:$Rt, addr_offset_none:$addr)>;
4457 // SWP/SWPB are deprecated in V6/V7.
4458 let mayLoad = 1, mayStore = 1 in {
4459 def SWP : AIswp<0, (outs GPRnopc:$Rt),
4460 (ins GPRnopc:$Rt2, addr_offset_none:$addr), "swp", []>,
4462 def SWPB: AIswp<1, (outs GPRnopc:$Rt),
4463 (ins GPRnopc:$Rt2, addr_offset_none:$addr), "swpb", []>,
4467 //===----------------------------------------------------------------------===//
4468 // Coprocessor Instructions.
4471 def CDP : ABI<0b1110, (outs), (ins p_imm:$cop, imm0_15:$opc1,
4472 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, imm0_7:$opc2),
4473 NoItinerary, "cdp", "\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
4474 [(int_arm_cdp imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
4475 imm:$CRm, imm:$opc2)]> {
4483 let Inst{3-0} = CRm;
4485 let Inst{7-5} = opc2;
4486 let Inst{11-8} = cop;
4487 let Inst{15-12} = CRd;
4488 let Inst{19-16} = CRn;
4489 let Inst{23-20} = opc1;
4492 def CDP2 : ABXI<0b1110, (outs), (ins p_imm:$cop, imm0_15:$opc1,
4493 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, imm0_7:$opc2),
4494 NoItinerary, "cdp2\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
4495 [(int_arm_cdp2 imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
4496 imm:$CRm, imm:$opc2)]> {
4497 let Inst{31-28} = 0b1111;
4505 let Inst{3-0} = CRm;
4507 let Inst{7-5} = opc2;
4508 let Inst{11-8} = cop;
4509 let Inst{15-12} = CRd;
4510 let Inst{19-16} = CRn;
4511 let Inst{23-20} = opc1;
4514 class ACI<dag oops, dag iops, string opc, string asm,
4515 IndexMode im = IndexModeNone>
4516 : I<oops, iops, AddrModeNone, 4, im, BrFrm, NoItinerary,
4518 let Inst{27-25} = 0b110;
4520 class ACInoP<dag oops, dag iops, string opc, string asm,
4521 IndexMode im = IndexModeNone>
4522 : InoP<oops, iops, AddrModeNone, 4, im, BrFrm, NoItinerary,
4524 let Inst{31-28} = 0b1111;
4525 let Inst{27-25} = 0b110;
4527 multiclass LdStCop<bit load, bit Dbit, string asm> {
4528 def _OFFSET : ACI<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5:$addr),
4529 asm, "\t$cop, $CRd, $addr"> {
4533 let Inst{24} = 1; // P = 1
4534 let Inst{23} = addr{8};
4535 let Inst{22} = Dbit;
4536 let Inst{21} = 0; // W = 0
4537 let Inst{20} = load;
4538 let Inst{19-16} = addr{12-9};
4539 let Inst{15-12} = CRd;
4540 let Inst{11-8} = cop;
4541 let Inst{7-0} = addr{7-0};
4542 let DecoderMethod = "DecodeCopMemInstruction";
4544 def _PRE : ACI<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5_pre:$addr),
4545 asm, "\t$cop, $CRd, $addr!", IndexModePre> {
4549 let Inst{24} = 1; // P = 1
4550 let Inst{23} = addr{8};
4551 let Inst{22} = Dbit;
4552 let Inst{21} = 1; // W = 1
4553 let Inst{20} = load;
4554 let Inst{19-16} = addr{12-9};
4555 let Inst{15-12} = CRd;
4556 let Inst{11-8} = cop;
4557 let Inst{7-0} = addr{7-0};
4558 let DecoderMethod = "DecodeCopMemInstruction";
4560 def _POST: ACI<(outs), (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
4561 postidx_imm8s4:$offset),
4562 asm, "\t$cop, $CRd, $addr, $offset", IndexModePost> {
4567 let Inst{24} = 0; // P = 0
4568 let Inst{23} = offset{8};
4569 let Inst{22} = Dbit;
4570 let Inst{21} = 1; // W = 1
4571 let Inst{20} = load;
4572 let Inst{19-16} = addr;
4573 let Inst{15-12} = CRd;
4574 let Inst{11-8} = cop;
4575 let Inst{7-0} = offset{7-0};
4576 let DecoderMethod = "DecodeCopMemInstruction";
4578 def _OPTION : ACI<(outs),
4579 (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
4580 coproc_option_imm:$option),
4581 asm, "\t$cop, $CRd, $addr, $option"> {
4586 let Inst{24} = 0; // P = 0
4587 let Inst{23} = 1; // U = 1
4588 let Inst{22} = Dbit;
4589 let Inst{21} = 0; // W = 0
4590 let Inst{20} = load;
4591 let Inst{19-16} = addr;
4592 let Inst{15-12} = CRd;
4593 let Inst{11-8} = cop;
4594 let Inst{7-0} = option;
4595 let DecoderMethod = "DecodeCopMemInstruction";
4598 multiclass LdSt2Cop<bit load, bit Dbit, string asm> {
4599 def _OFFSET : ACInoP<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5:$addr),
4600 asm, "\t$cop, $CRd, $addr"> {
4604 let Inst{24} = 1; // P = 1
4605 let Inst{23} = addr{8};
4606 let Inst{22} = Dbit;
4607 let Inst{21} = 0; // W = 0
4608 let Inst{20} = load;
4609 let Inst{19-16} = addr{12-9};
4610 let Inst{15-12} = CRd;
4611 let Inst{11-8} = cop;
4612 let Inst{7-0} = addr{7-0};
4613 let DecoderMethod = "DecodeCopMemInstruction";
4615 def _PRE : ACInoP<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5_pre:$addr),
4616 asm, "\t$cop, $CRd, $addr!", IndexModePre> {
4620 let Inst{24} = 1; // P = 1
4621 let Inst{23} = addr{8};
4622 let Inst{22} = Dbit;
4623 let Inst{21} = 1; // W = 1
4624 let Inst{20} = load;
4625 let Inst{19-16} = addr{12-9};
4626 let Inst{15-12} = CRd;
4627 let Inst{11-8} = cop;
4628 let Inst{7-0} = addr{7-0};
4629 let DecoderMethod = "DecodeCopMemInstruction";
4631 def _POST: ACInoP<(outs), (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
4632 postidx_imm8s4:$offset),
4633 asm, "\t$cop, $CRd, $addr, $offset", IndexModePost> {
4638 let Inst{24} = 0; // P = 0
4639 let Inst{23} = offset{8};
4640 let Inst{22} = Dbit;
4641 let Inst{21} = 1; // W = 1
4642 let Inst{20} = load;
4643 let Inst{19-16} = addr;
4644 let Inst{15-12} = CRd;
4645 let Inst{11-8} = cop;
4646 let Inst{7-0} = offset{7-0};
4647 let DecoderMethod = "DecodeCopMemInstruction";
4649 def _OPTION : ACInoP<(outs),
4650 (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
4651 coproc_option_imm:$option),
4652 asm, "\t$cop, $CRd, $addr, $option"> {
4657 let Inst{24} = 0; // P = 0
4658 let Inst{23} = 1; // U = 1
4659 let Inst{22} = Dbit;
4660 let Inst{21} = 0; // W = 0
4661 let Inst{20} = load;
4662 let Inst{19-16} = addr;
4663 let Inst{15-12} = CRd;
4664 let Inst{11-8} = cop;
4665 let Inst{7-0} = option;
4666 let DecoderMethod = "DecodeCopMemInstruction";
4670 defm LDC : LdStCop <1, 0, "ldc">;
4671 defm LDCL : LdStCop <1, 1, "ldcl">;
4672 defm STC : LdStCop <0, 0, "stc">;
4673 defm STCL : LdStCop <0, 1, "stcl">;
4674 defm LDC2 : LdSt2Cop<1, 0, "ldc2">;
4675 defm LDC2L : LdSt2Cop<1, 1, "ldc2l">;
4676 defm STC2 : LdSt2Cop<0, 0, "stc2">;
4677 defm STC2L : LdSt2Cop<0, 1, "stc2l">;
4679 //===----------------------------------------------------------------------===//
4680 // Move between coprocessor and ARM core register.
4683 class MovRCopro<string opc, bit direction, dag oops, dag iops,
4685 : ABI<0b1110, oops, iops, NoItinerary, opc,
4686 "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2", pattern> {
4687 let Inst{20} = direction;
4697 let Inst{15-12} = Rt;
4698 let Inst{11-8} = cop;
4699 let Inst{23-21} = opc1;
4700 let Inst{7-5} = opc2;
4701 let Inst{3-0} = CRm;
4702 let Inst{19-16} = CRn;
4705 def MCR : MovRCopro<"mcr", 0 /* from ARM core register to coprocessor */,
4707 (ins p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
4708 c_imm:$CRm, imm0_7:$opc2),
4709 [(int_arm_mcr imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
4710 imm:$CRm, imm:$opc2)]>;
4711 def : ARMInstAlias<"mcr${p} $cop, $opc1, $Rt, $CRn, $CRm",
4712 (MCR p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
4713 c_imm:$CRm, 0, pred:$p)>;
4714 def MRC : MovRCopro<"mrc", 1 /* from coprocessor to ARM core register */,
4715 (outs GPRwithAPSR:$Rt),
4716 (ins p_imm:$cop, imm0_7:$opc1, c_imm:$CRn, c_imm:$CRm,
4718 def : ARMInstAlias<"mrc${p} $cop, $opc1, $Rt, $CRn, $CRm",
4719 (MRC GPRwithAPSR:$Rt, p_imm:$cop, imm0_7:$opc1, c_imm:$CRn,
4720 c_imm:$CRm, 0, pred:$p)>;
4722 def : ARMPat<(int_arm_mrc imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2),
4723 (MRC imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
4725 class MovRCopro2<string opc, bit direction, dag oops, dag iops,
4727 : ABXI<0b1110, oops, iops, NoItinerary,
4728 !strconcat(opc, "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2"), pattern> {
4729 let Inst{31-24} = 0b11111110;
4730 let Inst{20} = direction;
4740 let Inst{15-12} = Rt;
4741 let Inst{11-8} = cop;
4742 let Inst{23-21} = opc1;
4743 let Inst{7-5} = opc2;
4744 let Inst{3-0} = CRm;
4745 let Inst{19-16} = CRn;
4748 def MCR2 : MovRCopro2<"mcr2", 0 /* from ARM core register to coprocessor */,
4750 (ins p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
4751 c_imm:$CRm, imm0_7:$opc2),
4752 [(int_arm_mcr2 imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
4753 imm:$CRm, imm:$opc2)]>;
4754 def : ARMInstAlias<"mcr2$ $cop, $opc1, $Rt, $CRn, $CRm",
4755 (MCR2 p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
4757 def MRC2 : MovRCopro2<"mrc2", 1 /* from coprocessor to ARM core register */,
4758 (outs GPRwithAPSR:$Rt),
4759 (ins p_imm:$cop, imm0_7:$opc1, c_imm:$CRn, c_imm:$CRm,
4761 def : ARMInstAlias<"mrc2$ $cop, $opc1, $Rt, $CRn, $CRm",
4762 (MRC2 GPRwithAPSR:$Rt, p_imm:$cop, imm0_7:$opc1, c_imm:$CRn,
4765 def : ARMV5TPat<(int_arm_mrc2 imm:$cop, imm:$opc1, imm:$CRn,
4766 imm:$CRm, imm:$opc2),
4767 (MRC2 imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
4769 class MovRRCopro<string opc, bit direction, list<dag> pattern = []>
4770 : ABI<0b1100, (outs), (ins p_imm:$cop, imm0_15:$opc1,
4771 GPRnopc:$Rt, GPRnopc:$Rt2, c_imm:$CRm),
4772 NoItinerary, opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm", pattern> {
4773 let Inst{23-21} = 0b010;
4774 let Inst{20} = direction;
4782 let Inst{15-12} = Rt;
4783 let Inst{19-16} = Rt2;
4784 let Inst{11-8} = cop;
4785 let Inst{7-4} = opc1;
4786 let Inst{3-0} = CRm;
4789 def MCRR : MovRRCopro<"mcrr", 0 /* from ARM core register to coprocessor */,
4790 [(int_arm_mcrr imm:$cop, imm:$opc1, GPRnopc:$Rt,
4791 GPRnopc:$Rt2, imm:$CRm)]>;
4792 def MRRC : MovRRCopro<"mrrc", 1 /* from coprocessor to ARM core register */>;
4794 class MovRRCopro2<string opc, bit direction, list<dag> pattern = []>
4795 : ABXI<0b1100, (outs), (ins p_imm:$cop, imm0_15:$opc1,
4796 GPRnopc:$Rt, GPRnopc:$Rt2, c_imm:$CRm), NoItinerary,
4797 !strconcat(opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm"), pattern> {
4798 let Inst{31-28} = 0b1111;
4799 let Inst{23-21} = 0b010;
4800 let Inst{20} = direction;
4808 let Inst{15-12} = Rt;
4809 let Inst{19-16} = Rt2;
4810 let Inst{11-8} = cop;
4811 let Inst{7-4} = opc1;
4812 let Inst{3-0} = CRm;
4814 let DecoderMethod = "DecodeMRRC2";
4817 def MCRR2 : MovRRCopro2<"mcrr2", 0 /* from ARM core register to coprocessor */,
4818 [(int_arm_mcrr2 imm:$cop, imm:$opc1, GPRnopc:$Rt,
4819 GPRnopc:$Rt2, imm:$CRm)]>;
4820 def MRRC2 : MovRRCopro2<"mrrc2", 1 /* from coprocessor to ARM core register */>;
4822 //===----------------------------------------------------------------------===//
4823 // Move between special register and ARM core register
4826 // Move to ARM core register from Special Register
4827 def MRS : ABI<0b0001, (outs GPRnopc:$Rd), (ins), NoItinerary,
4828 "mrs", "\t$Rd, apsr", []> {
4830 let Inst{23-16} = 0b00001111;
4831 let Unpredictable{19-17} = 0b111;
4833 let Inst{15-12} = Rd;
4835 let Inst{11-0} = 0b000000000000;
4836 let Unpredictable{11-0} = 0b110100001111;
4839 def : InstAlias<"mrs${p} $Rd, cpsr", (MRS GPRnopc:$Rd, pred:$p)>,
4842 // The MRSsys instruction is the MRS instruction from the ARM ARM,
4843 // section B9.3.9, with the R bit set to 1.
4844 def MRSsys : ABI<0b0001, (outs GPRnopc:$Rd), (ins), NoItinerary,
4845 "mrs", "\t$Rd, spsr", []> {
4847 let Inst{23-16} = 0b01001111;
4848 let Unpredictable{19-16} = 0b1111;
4850 let Inst{15-12} = Rd;
4852 let Inst{11-0} = 0b000000000000;
4853 let Unpredictable{11-0} = 0b110100001111;
4856 // Move from ARM core register to Special Register
4858 // No need to have both system and application versions, the encodings are the
4859 // same and the assembly parser has no way to distinguish between them. The mask
4860 // operand contains the special register (R Bit) in bit 4 and bits 3-0 contains
4861 // the mask with the fields to be accessed in the special register.
4862 def MSR : ABI<0b0001, (outs), (ins msr_mask:$mask, GPR:$Rn), NoItinerary,
4863 "msr", "\t$mask, $Rn", []> {
4868 let Inst{22} = mask{4}; // R bit
4869 let Inst{21-20} = 0b10;
4870 let Inst{19-16} = mask{3-0};
4871 let Inst{15-12} = 0b1111;
4872 let Inst{11-4} = 0b00000000;
4876 def MSRi : ABI<0b0011, (outs), (ins msr_mask:$mask, so_imm:$a), NoItinerary,
4877 "msr", "\t$mask, $a", []> {
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;
4889 //===----------------------------------------------------------------------===//
4893 // __aeabi_read_tp preserves the registers r1-r3.
4894 // This is a pseudo inst so that we can get the encoding right,
4895 // complete with fixup for the aeabi_read_tp function.
4897 Defs = [R0, R12, LR, CPSR], Uses = [SP] in {
4898 def TPsoft : PseudoInst<(outs), (ins), IIC_Br,
4899 [(set R0, ARMthread_pointer)]>, Sched<[WriteBr]>;
4902 //===----------------------------------------------------------------------===//
4903 // SJLJ Exception handling intrinsics
4904 // eh_sjlj_setjmp() is an instruction sequence to store the return
4905 // address and save #0 in R0 for the non-longjmp case.
4906 // Since by its nature we may be coming from some other function to get
4907 // here, and we're using the stack frame for the containing function to
4908 // save/restore registers, we can't keep anything live in regs across
4909 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
4910 // when we get here from a longjmp(). We force everything out of registers
4911 // except for our own input by listing the relevant registers in Defs. By
4912 // doing so, we also cause the prologue/epilogue code to actively preserve
4913 // all of the callee-saved resgisters, which is exactly what we want.
4914 // A constant value is passed in $val, and we use the location as a scratch.
4916 // These are pseudo-instructions and are lowered to individual MC-insts, so
4917 // no encoding information is necessary.
4919 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR,
4920 Q0, Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8, Q9, Q10, Q11, Q12, Q13, Q14, Q15 ],
4921 hasSideEffects = 1, isBarrier = 1, usesCustomInserter = 1 in {
4922 def Int_eh_sjlj_setjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
4924 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
4925 Requires<[IsARM, HasVFP2]>;
4929 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR ],
4930 hasSideEffects = 1, isBarrier = 1, usesCustomInserter = 1 in {
4931 def Int_eh_sjlj_setjmp_nofp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
4933 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
4934 Requires<[IsARM, NoVFP]>;
4937 // FIXME: Non-IOS version(s)
4938 let isBarrier = 1, hasSideEffects = 1, isTerminator = 1,
4939 Defs = [ R7, LR, SP ] in {
4940 def Int_eh_sjlj_longjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$scratch),
4942 [(ARMeh_sjlj_longjmp GPR:$src, GPR:$scratch)]>,
4943 Requires<[IsARM, IsIOS]>;
4946 // eh.sjlj.dispatchsetup pseudo-instruction.
4947 // This pseudo is used for both ARM and Thumb. Any differences are handled when
4948 // the pseudo is expanded (which happens before any passes that need the
4949 // instruction size).
4950 let isBarrier = 1 in
4951 def Int_eh_sjlj_dispatchsetup : PseudoInst<(outs), (ins), NoItinerary, []>;
4954 //===----------------------------------------------------------------------===//
4955 // Non-Instruction Patterns
4958 // ARMv4 indirect branch using (MOVr PC, dst)
4959 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in
4960 def MOVPCRX : ARMPseudoExpand<(outs), (ins GPR:$dst),
4961 4, IIC_Br, [(brind GPR:$dst)],
4962 (MOVr PC, GPR:$dst, (ops 14, zero_reg), zero_reg)>,
4963 Requires<[IsARM, NoV4T]>, Sched<[WriteBr]>;
4965 // Large immediate handling.
4967 // 32-bit immediate using two piece so_imms or movw + movt.
4968 // This is a single pseudo instruction, the benefit is that it can be remat'd
4969 // as a single unit instead of having to handle reg inputs.
4970 // FIXME: Remove this when we can do generalized remat.
4971 let isReMaterializable = 1, isMoveImm = 1 in
4972 def MOVi32imm : PseudoInst<(outs GPR:$dst), (ins i32imm:$src), IIC_iMOVix2,
4973 [(set GPR:$dst, (arm_i32imm:$src))]>,
4976 // Pseudo instruction that combines movw + movt + add pc (if PIC).
4977 // It also makes it possible to rematerialize the instructions.
4978 // FIXME: Remove this when we can do generalized remat and when machine licm
4979 // can properly the instructions.
4980 let isReMaterializable = 1 in {
4981 def MOV_ga_pcrel : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
4983 [(set GPR:$dst, (ARMWrapperPIC tglobaladdr:$addr))]>,
4984 Requires<[IsARM, UseMovt]>;
4986 def MOV_ga_dyn : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
4988 [(set GPR:$dst, (ARMWrapperDYN tglobaladdr:$addr))]>,
4989 Requires<[IsARM, UseMovt]>;
4991 let AddedComplexity = 10 in
4992 def MOV_ga_pcrel_ldr : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
4994 [(set GPR:$dst, (load (ARMWrapperPIC tglobaladdr:$addr)))]>,
4995 Requires<[IsARM, UseMovt]>;
4996 } // isReMaterializable
4998 // ConstantPool, GlobalAddress, and JumpTable
4999 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>,
5000 Requires<[IsARM, DontUseMovt]>;
5001 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
5002 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
5003 Requires<[IsARM, UseMovt]>;
5004 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
5005 (LEApcrelJT tjumptable:$dst, imm:$id)>;
5007 // TODO: add,sub,and, 3-instr forms?
5009 // Tail calls. These patterns also apply to Thumb mode.
5010 def : Pat<(ARMtcret tcGPR:$dst), (TCRETURNri tcGPR:$dst)>;
5011 def : Pat<(ARMtcret (i32 tglobaladdr:$dst)), (TCRETURNdi texternalsym:$dst)>;
5012 def : Pat<(ARMtcret (i32 texternalsym:$dst)), (TCRETURNdi texternalsym:$dst)>;
5015 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>;
5016 def : ARMPat<(ARMcall_nolink texternalsym:$func),
5017 (BMOVPCB_CALL texternalsym:$func)>;
5019 // zextload i1 -> zextload i8
5020 def : ARMPat<(zextloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
5021 def : ARMPat<(zextloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
5023 // extload -> zextload
5024 def : ARMPat<(extloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
5025 def : ARMPat<(extloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
5026 def : ARMPat<(extloadi8 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
5027 def : ARMPat<(extloadi8 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
5029 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
5031 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
5032 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
5035 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
5036 (sra (shl GPR:$b, (i32 16)), (i32 16))),
5037 (SMULBB GPR:$a, GPR:$b)>;
5038 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
5039 (SMULBB GPR:$a, GPR:$b)>;
5040 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
5041 (sra GPR:$b, (i32 16))),
5042 (SMULBT GPR:$a, GPR:$b)>;
5043 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
5044 (SMULBT GPR:$a, GPR:$b)>;
5045 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
5046 (sra (shl GPR:$b, (i32 16)), (i32 16))),
5047 (SMULTB GPR:$a, GPR:$b)>;
5048 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
5049 (SMULTB GPR:$a, GPR:$b)>;
5050 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
5052 (SMULWB GPR:$a, GPR:$b)>;
5053 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
5054 (SMULWB GPR:$a, GPR:$b)>;
5056 def : ARMV5MOPat<(add GPR:$acc,
5057 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
5058 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
5059 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
5060 def : ARMV5MOPat<(add GPR:$acc,
5061 (mul sext_16_node:$a, sext_16_node:$b)),
5062 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
5063 def : ARMV5MOPat<(add GPR:$acc,
5064 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
5065 (sra GPR:$b, (i32 16)))),
5066 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
5067 def : ARMV5MOPat<(add GPR:$acc,
5068 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
5069 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
5070 def : ARMV5MOPat<(add GPR:$acc,
5071 (mul (sra GPR:$a, (i32 16)),
5072 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
5073 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
5074 def : ARMV5MOPat<(add GPR:$acc,
5075 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
5076 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
5077 def : ARMV5MOPat<(add GPR:$acc,
5078 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
5080 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
5081 def : ARMV5MOPat<(add GPR:$acc,
5082 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
5083 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
5086 // Pre-v7 uses MCR for synchronization barriers.
5087 def : ARMPat<(ARMMemBarrierMCR GPR:$zero), (MCR 15, 0, GPR:$zero, 7, 10, 5)>,
5088 Requires<[IsARM, HasV6]>;
5090 // SXT/UXT with no rotate
5091 let AddedComplexity = 16 in {
5092 def : ARMV6Pat<(and GPR:$Src, 0x000000FF), (UXTB GPR:$Src, 0)>;
5093 def : ARMV6Pat<(and GPR:$Src, 0x0000FFFF), (UXTH GPR:$Src, 0)>;
5094 def : ARMV6Pat<(and GPR:$Src, 0x00FF00FF), (UXTB16 GPR:$Src, 0)>;
5095 def : ARMV6Pat<(add GPR:$Rn, (and GPR:$Rm, 0x00FF)),
5096 (UXTAB GPR:$Rn, GPR:$Rm, 0)>;
5097 def : ARMV6Pat<(add GPR:$Rn, (and GPR:$Rm, 0xFFFF)),
5098 (UXTAH GPR:$Rn, GPR:$Rm, 0)>;
5101 def : ARMV6Pat<(sext_inreg GPR:$Src, i8), (SXTB GPR:$Src, 0)>;
5102 def : ARMV6Pat<(sext_inreg GPR:$Src, i16), (SXTH GPR:$Src, 0)>;
5104 def : ARMV6Pat<(add GPR:$Rn, (sext_inreg GPRnopc:$Rm, i8)),
5105 (SXTAB GPR:$Rn, GPRnopc:$Rm, 0)>;
5106 def : ARMV6Pat<(add GPR:$Rn, (sext_inreg GPRnopc:$Rm, i16)),
5107 (SXTAH GPR:$Rn, GPRnopc:$Rm, 0)>;
5109 // Atomic load/store patterns
5110 def : ARMPat<(atomic_load_8 ldst_so_reg:$src),
5111 (LDRBrs ldst_so_reg:$src)>;
5112 def : ARMPat<(atomic_load_8 addrmode_imm12:$src),
5113 (LDRBi12 addrmode_imm12:$src)>;
5114 def : ARMPat<(atomic_load_16 addrmode3:$src),
5115 (LDRH addrmode3:$src)>;
5116 def : ARMPat<(atomic_load_32 ldst_so_reg:$src),
5117 (LDRrs ldst_so_reg:$src)>;
5118 def : ARMPat<(atomic_load_32 addrmode_imm12:$src),
5119 (LDRi12 addrmode_imm12:$src)>;
5120 def : ARMPat<(atomic_store_8 ldst_so_reg:$ptr, GPR:$val),
5121 (STRBrs GPR:$val, ldst_so_reg:$ptr)>;
5122 def : ARMPat<(atomic_store_8 addrmode_imm12:$ptr, GPR:$val),
5123 (STRBi12 GPR:$val, addrmode_imm12:$ptr)>;
5124 def : ARMPat<(atomic_store_16 addrmode3:$ptr, GPR:$val),
5125 (STRH GPR:$val, addrmode3:$ptr)>;
5126 def : ARMPat<(atomic_store_32 ldst_so_reg:$ptr, GPR:$val),
5127 (STRrs GPR:$val, ldst_so_reg:$ptr)>;
5128 def : ARMPat<(atomic_store_32 addrmode_imm12:$ptr, GPR:$val),
5129 (STRi12 GPR:$val, addrmode_imm12:$ptr)>;
5132 //===----------------------------------------------------------------------===//
5136 include "ARMInstrThumb.td"
5138 //===----------------------------------------------------------------------===//
5142 include "ARMInstrThumb2.td"
5144 //===----------------------------------------------------------------------===//
5145 // Floating Point Support
5148 include "ARMInstrVFP.td"
5150 //===----------------------------------------------------------------------===//
5151 // Advanced SIMD (NEON) Support
5154 include "ARMInstrNEON.td"
5156 //===----------------------------------------------------------------------===//
5157 // Assembler aliases
5161 def : InstAlias<"dmb", (DMB 0xf)>, Requires<[IsARM, HasDB]>;
5162 def : InstAlias<"dsb", (DSB 0xf)>, Requires<[IsARM, HasDB]>;
5163 def : InstAlias<"isb", (ISB 0xf)>, Requires<[IsARM, HasDB]>;
5165 // System instructions
5166 def : MnemonicAlias<"swi", "svc">;
5168 // Load / Store Multiple
5169 def : MnemonicAlias<"ldmfd", "ldm">;
5170 def : MnemonicAlias<"ldmia", "ldm">;
5171 def : MnemonicAlias<"ldmea", "ldmdb">;
5172 def : MnemonicAlias<"stmfd", "stmdb">;
5173 def : MnemonicAlias<"stmia", "stm">;
5174 def : MnemonicAlias<"stmea", "stm">;
5176 // PKHBT/PKHTB with default shift amount. PKHTB is equivalent to PKHBT when the
5177 // shift amount is zero (i.e., unspecified).
5178 def : InstAlias<"pkhbt${p} $Rd, $Rn, $Rm",
5179 (PKHBT GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, 0, pred:$p)>,
5180 Requires<[IsARM, HasV6]>;
5181 def : InstAlias<"pkhtb${p} $Rd, $Rn, $Rm",
5182 (PKHBT GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, 0, pred:$p)>,
5183 Requires<[IsARM, HasV6]>;
5185 // PUSH/POP aliases for STM/LDM
5186 def : ARMInstAlias<"push${p} $regs", (STMDB_UPD SP, pred:$p, reglist:$regs)>;
5187 def : ARMInstAlias<"pop${p} $regs", (LDMIA_UPD SP, pred:$p, reglist:$regs)>;
5189 // SSAT/USAT optional shift operand.
5190 def : ARMInstAlias<"ssat${p} $Rd, $sat_imm, $Rn",
5191 (SSAT GPRnopc:$Rd, imm1_32:$sat_imm, GPRnopc:$Rn, 0, pred:$p)>;
5192 def : ARMInstAlias<"usat${p} $Rd, $sat_imm, $Rn",
5193 (USAT GPRnopc:$Rd, imm0_31:$sat_imm, GPRnopc:$Rn, 0, pred:$p)>;
5196 // Extend instruction optional rotate operand.
5197 def : ARMInstAlias<"sxtab${p} $Rd, $Rn, $Rm",
5198 (SXTAB GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5199 def : ARMInstAlias<"sxtah${p} $Rd, $Rn, $Rm",
5200 (SXTAH GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5201 def : ARMInstAlias<"sxtab16${p} $Rd, $Rn, $Rm",
5202 (SXTAB16 GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5203 def : ARMInstAlias<"sxtb${p} $Rd, $Rm",
5204 (SXTB GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5205 def : ARMInstAlias<"sxtb16${p} $Rd, $Rm",
5206 (SXTB16 GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5207 def : ARMInstAlias<"sxth${p} $Rd, $Rm",
5208 (SXTH GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5210 def : ARMInstAlias<"uxtab${p} $Rd, $Rn, $Rm",
5211 (UXTAB GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5212 def : ARMInstAlias<"uxtah${p} $Rd, $Rn, $Rm",
5213 (UXTAH GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5214 def : ARMInstAlias<"uxtab16${p} $Rd, $Rn, $Rm",
5215 (UXTAB16 GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5216 def : ARMInstAlias<"uxtb${p} $Rd, $Rm",
5217 (UXTB GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5218 def : ARMInstAlias<"uxtb16${p} $Rd, $Rm",
5219 (UXTB16 GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5220 def : ARMInstAlias<"uxth${p} $Rd, $Rm",
5221 (UXTH GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5225 def : MnemonicAlias<"rfefa", "rfeda">;
5226 def : MnemonicAlias<"rfeea", "rfedb">;
5227 def : MnemonicAlias<"rfefd", "rfeia">;
5228 def : MnemonicAlias<"rfeed", "rfeib">;
5229 def : MnemonicAlias<"rfe", "rfeia">;
5232 def : MnemonicAlias<"srsfa", "srsib">;
5233 def : MnemonicAlias<"srsea", "srsia">;
5234 def : MnemonicAlias<"srsfd", "srsdb">;
5235 def : MnemonicAlias<"srsed", "srsda">;
5236 def : MnemonicAlias<"srs", "srsia">;
5239 def : MnemonicAlias<"qsubaddx", "qsax">;
5241 def : MnemonicAlias<"saddsubx", "sasx">;
5242 // SHASX == SHADDSUBX
5243 def : MnemonicAlias<"shaddsubx", "shasx">;
5244 // SHSAX == SHSUBADDX
5245 def : MnemonicAlias<"shsubaddx", "shsax">;
5247 def : MnemonicAlias<"ssubaddx", "ssax">;
5249 def : MnemonicAlias<"uaddsubx", "uasx">;
5250 // UHASX == UHADDSUBX
5251 def : MnemonicAlias<"uhaddsubx", "uhasx">;
5252 // UHSAX == UHSUBADDX
5253 def : MnemonicAlias<"uhsubaddx", "uhsax">;
5254 // UQASX == UQADDSUBX
5255 def : MnemonicAlias<"uqaddsubx", "uqasx">;
5256 // UQSAX == UQSUBADDX
5257 def : MnemonicAlias<"uqsubaddx", "uqsax">;
5259 def : MnemonicAlias<"usubaddx", "usax">;
5261 // "mov Rd, so_imm_not" can be handled via "mvn" in assembly, just like
5263 def : ARMInstAlias<"mov${s}${p} $Rd, $imm",
5264 (MVNi rGPR:$Rd, so_imm_not:$imm, pred:$p, cc_out:$s)>;
5265 def : ARMInstAlias<"mvn${s}${p} $Rd, $imm",
5266 (MOVi rGPR:$Rd, so_imm_not:$imm, pred:$p, cc_out:$s)>;
5267 // Same for AND <--> BIC
5268 def : ARMInstAlias<"bic${s}${p} $Rd, $Rn, $imm",
5269 (ANDri rGPR:$Rd, rGPR:$Rn, so_imm_not:$imm,
5270 pred:$p, cc_out:$s)>;
5271 def : ARMInstAlias<"bic${s}${p} $Rdn, $imm",
5272 (ANDri rGPR:$Rdn, rGPR:$Rdn, so_imm_not:$imm,
5273 pred:$p, cc_out:$s)>;
5274 def : ARMInstAlias<"and${s}${p} $Rd, $Rn, $imm",
5275 (BICri rGPR:$Rd, rGPR:$Rn, so_imm_not:$imm,
5276 pred:$p, cc_out:$s)>;
5277 def : ARMInstAlias<"and${s}${p} $Rdn, $imm",
5278 (BICri rGPR:$Rdn, rGPR:$Rdn, so_imm_not:$imm,
5279 pred:$p, cc_out:$s)>;
5281 // Likewise, "add Rd, so_imm_neg" -> sub
5282 def : ARMInstAlias<"add${s}${p} $Rd, $Rn, $imm",
5283 (SUBri GPR:$Rd, GPR:$Rn, so_imm_neg:$imm, pred:$p, cc_out:$s)>;
5284 def : ARMInstAlias<"add${s}${p} $Rd, $imm",
5285 (SUBri GPR:$Rd, GPR:$Rd, so_imm_neg:$imm, pred:$p, cc_out:$s)>;
5286 // Same for CMP <--> CMN via so_imm_neg
5287 def : ARMInstAlias<"cmp${p} $Rd, $imm",
5288 (CMNri rGPR:$Rd, so_imm_neg:$imm, pred:$p)>;
5289 def : ARMInstAlias<"cmn${p} $Rd, $imm",
5290 (CMPri rGPR:$Rd, so_imm_neg:$imm, pred:$p)>;
5292 // The shifter forms of the MOV instruction are aliased to the ASR, LSL,
5293 // LSR, ROR, and RRX instructions.
5294 // FIXME: We need C++ parser hooks to map the alias to the MOV
5295 // encoding. It seems we should be able to do that sort of thing
5296 // in tblgen, but it could get ugly.
5297 let TwoOperandAliasConstraint = "$Rm = $Rd" in {
5298 def ASRi : ARMAsmPseudo<"asr${s}${p} $Rd, $Rm, $imm",
5299 (ins GPR:$Rd, GPR:$Rm, imm0_32:$imm, pred:$p,
5301 def LSRi : ARMAsmPseudo<"lsr${s}${p} $Rd, $Rm, $imm",
5302 (ins GPR:$Rd, GPR:$Rm, imm0_32:$imm, pred:$p,
5304 def LSLi : ARMAsmPseudo<"lsl${s}${p} $Rd, $Rm, $imm",
5305 (ins GPR:$Rd, GPR:$Rm, imm0_31:$imm, pred:$p,
5307 def RORi : ARMAsmPseudo<"ror${s}${p} $Rd, $Rm, $imm",
5308 (ins GPR:$Rd, GPR:$Rm, imm0_31:$imm, pred:$p,
5311 def RRXi : ARMAsmPseudo<"rrx${s}${p} $Rd, $Rm",
5312 (ins GPR:$Rd, GPR:$Rm, pred:$p, cc_out:$s)>;
5313 let TwoOperandAliasConstraint = "$Rn = $Rd" in {
5314 def ASRr : ARMAsmPseudo<"asr${s}${p} $Rd, $Rn, $Rm",
5315 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5317 def LSRr : ARMAsmPseudo<"lsr${s}${p} $Rd, $Rn, $Rm",
5318 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5320 def LSLr : ARMAsmPseudo<"lsl${s}${p} $Rd, $Rn, $Rm",
5321 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5323 def RORr : ARMAsmPseudo<"ror${s}${p} $Rd, $Rn, $Rm",
5324 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5328 // "neg" is and alias for "rsb rd, rn, #0"
5329 def : ARMInstAlias<"neg${s}${p} $Rd, $Rm",
5330 (RSBri GPR:$Rd, GPR:$Rm, 0, pred:$p, cc_out:$s)>;
5332 // Pre-v6, 'mov r0, r0' was used as a NOP encoding.
5333 def : InstAlias<"nop${p}", (MOVr R0, R0, pred:$p, zero_reg)>,
5334 Requires<[IsARM, NoV6]>;
5336 // UMULL/SMULL are available on all arches, but the instruction definitions
5337 // need difference constraints pre-v6. Use these aliases for the assembly
5338 // parsing on pre-v6.
5339 def : InstAlias<"smull${s}${p} $RdLo, $RdHi, $Rn, $Rm",
5340 (SMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
5341 Requires<[IsARM, NoV6]>;
5342 def : InstAlias<"umull${s}${p} $RdLo, $RdHi, $Rn, $Rm",
5343 (UMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
5344 Requires<[IsARM, NoV6]>;
5346 // 'it' blocks in ARM mode just validate the predicates. The IT itself
5348 def ITasm : ARMAsmPseudo<"it$mask $cc", (ins it_pred:$cc, it_mask:$mask)>;