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 NoVFP : Predicate<"!Subtarget->hasVFP2()">;
198 def HasVFP2 : Predicate<"Subtarget->hasVFP2()">,
199 AssemblerPredicate<"FeatureVFP2", "VFP2">;
200 def HasVFP3 : Predicate<"Subtarget->hasVFP3()">,
201 AssemblerPredicate<"FeatureVFP3", "VFP3">;
202 def HasVFP4 : Predicate<"Subtarget->hasVFP4()">,
203 AssemblerPredicate<"FeatureVFP4", "VFP4">;
204 def HasNEON : Predicate<"Subtarget->hasNEON()">,
205 AssemblerPredicate<"FeatureNEON", "NEON">;
206 def HasFP16 : Predicate<"Subtarget->hasFP16()">,
207 AssemblerPredicate<"FeatureFP16","half-float">;
208 def HasDivide : Predicate<"Subtarget->hasDivide()">,
209 AssemblerPredicate<"FeatureHWDiv", "divide">;
210 def HasDivideInARM : Predicate<"Subtarget->hasDivideInARMMode()">,
211 AssemblerPredicate<"FeatureHWDivARM">;
212 def HasT2ExtractPack : Predicate<"Subtarget->hasT2ExtractPack()">,
213 AssemblerPredicate<"FeatureT2XtPk",
215 def HasThumb2DSP : Predicate<"Subtarget->hasThumb2DSP()">,
216 AssemblerPredicate<"FeatureDSPThumb2",
218 def HasDB : Predicate<"Subtarget->hasDataBarrier()">,
219 AssemblerPredicate<"FeatureDB",
221 def HasMP : Predicate<"Subtarget->hasMPExtension()">,
222 AssemblerPredicate<"FeatureMP",
224 def HasTrustZone : Predicate<"Subtarget->hasTrustZone()">,
225 AssemblerPredicate<"FeatureTrustZone",
227 def UseNEONForFP : Predicate<"Subtarget->useNEONForSinglePrecisionFP()">;
228 def DontUseNEONForFP : Predicate<"!Subtarget->useNEONForSinglePrecisionFP()">;
229 def IsThumb : Predicate<"Subtarget->isThumb()">,
230 AssemblerPredicate<"ModeThumb", "thumb">;
231 def IsThumb1Only : Predicate<"Subtarget->isThumb1Only()">;
232 def IsThumb2 : Predicate<"Subtarget->isThumb2()">,
233 AssemblerPredicate<"ModeThumb,FeatureThumb2",
235 def IsMClass : Predicate<"Subtarget->isMClass()">,
236 AssemblerPredicate<"FeatureMClass", "armv7m">;
237 def IsARClass : Predicate<"!Subtarget->isMClass()">,
238 AssemblerPredicate<"!FeatureMClass",
240 def IsARM : Predicate<"!Subtarget->isThumb()">,
241 AssemblerPredicate<"!ModeThumb", "arm-mode">;
242 def IsIOS : Predicate<"Subtarget->isTargetIOS()">;
243 def IsNotIOS : Predicate<"!Subtarget->isTargetIOS()">;
244 def IsNaCl : Predicate<"Subtarget->isTargetNaCl()">;
245 def UseNaClTrap : Predicate<"Subtarget->useNaClTrap()">,
246 AssemblerPredicate<"FeatureNaClTrap", "NaCl">;
247 def DontUseNaClTrap : Predicate<"!Subtarget->useNaClTrap()">;
249 // FIXME: Eventually this will be just "hasV6T2Ops".
250 def UseMovt : Predicate<"Subtarget->useMovt()">;
251 def DontUseMovt : Predicate<"!Subtarget->useMovt()">;
252 def UseFPVMLx : Predicate<"Subtarget->useFPVMLx()">;
253 def UseMulOps : Predicate<"Subtarget->useMulOps()">;
255 // Prefer fused MAC for fp mul + add over fp VMLA / VMLS if they are available.
256 // But only select them if more precision in FP computation is allowed.
257 // Do not use them for Darwin platforms.
258 def UseFusedMAC : Predicate<"(TM.Options.AllowFPOpFusion =="
259 " FPOpFusion::Fast) && "
260 "!Subtarget->isTargetDarwin()">;
261 def DontUseFusedMAC : Predicate<"!Subtarget->hasVFP4() || "
262 "Subtarget->isTargetDarwin()">;
264 // VGETLNi32 is microcoded on Swift - prefer VMOV.
265 def HasFastVGETLNi32 : Predicate<"!Subtarget->isSwift()">;
266 def HasSlowVGETLNi32 : Predicate<"Subtarget->isSwift()">;
268 // VDUP.32 is microcoded on Swift - prefer VMOV.
269 def HasFastVDUP32 : Predicate<"!Subtarget->isSwift()">;
270 def HasSlowVDUP32 : Predicate<"Subtarget->isSwift()">;
272 // Cortex-A9 prefers VMOVSR to VMOVDRR even when using NEON for scalar FP, as
273 // this allows more effective execution domain optimization. See
274 // setExecutionDomain().
275 def UseVMOVSR : Predicate<"Subtarget->isCortexA9() || !Subtarget->useNEONForSinglePrecisionFP()">;
276 def DontUseVMOVSR : Predicate<"!Subtarget->isCortexA9() && Subtarget->useNEONForSinglePrecisionFP()">;
278 def IsLE : Predicate<"TLI.isLittleEndian()">;
279 def IsBE : Predicate<"TLI.isBigEndian()">;
281 //===----------------------------------------------------------------------===//
282 // ARM Flag Definitions.
284 class RegConstraint<string C> {
285 string Constraints = C;
288 //===----------------------------------------------------------------------===//
289 // ARM specific transformation functions and pattern fragments.
292 // imm_neg_XFORM - Return the negation of an i32 immediate value.
293 def imm_neg_XFORM : SDNodeXForm<imm, [{
294 return CurDAG->getTargetConstant(-(int)N->getZExtValue(), MVT::i32);
297 // imm_not_XFORM - Return the complement of a i32 immediate value.
298 def imm_not_XFORM : SDNodeXForm<imm, [{
299 return CurDAG->getTargetConstant(~(int)N->getZExtValue(), MVT::i32);
302 /// imm16_31 predicate - True if the 32-bit immediate is in the range [16,31].
303 def imm16_31 : ImmLeaf<i32, [{
304 return (int32_t)Imm >= 16 && (int32_t)Imm < 32;
307 def so_imm_neg_asmoperand : AsmOperandClass { let Name = "ARMSOImmNeg"; }
308 def so_imm_neg : Operand<i32>, PatLeaf<(imm), [{
309 unsigned Value = -(unsigned)N->getZExtValue();
310 return Value && ARM_AM::getSOImmVal(Value) != -1;
312 let ParserMatchClass = so_imm_neg_asmoperand;
315 // Note: this pattern doesn't require an encoder method and such, as it's
316 // only used on aliases (Pat<> and InstAlias<>). The actual encoding
317 // is handled by the destination instructions, which use so_imm.
318 def so_imm_not_asmoperand : AsmOperandClass { let Name = "ARMSOImmNot"; }
319 def so_imm_not : Operand<i32>, PatLeaf<(imm), [{
320 return ARM_AM::getSOImmVal(~(uint32_t)N->getZExtValue()) != -1;
322 let ParserMatchClass = so_imm_not_asmoperand;
325 // sext_16_node predicate - True if the SDNode is sign-extended 16 or more bits.
326 def sext_16_node : PatLeaf<(i32 GPR:$a), [{
327 return CurDAG->ComputeNumSignBits(SDValue(N,0)) >= 17;
330 /// Split a 32-bit immediate into two 16 bit parts.
331 def hi16 : SDNodeXForm<imm, [{
332 return CurDAG->getTargetConstant((uint32_t)N->getZExtValue() >> 16, MVT::i32);
335 def lo16AllZero : PatLeaf<(i32 imm), [{
336 // Returns true if all low 16-bits are 0.
337 return (((uint32_t)N->getZExtValue()) & 0xFFFFUL) == 0;
340 class BinOpWithFlagFrag<dag res> :
341 PatFrag<(ops node:$LHS, node:$RHS, node:$FLAG), res>;
342 class BinOpFrag<dag res> : PatFrag<(ops node:$LHS, node:$RHS), res>;
343 class UnOpFrag <dag res> : PatFrag<(ops node:$Src), res>;
345 // An 'and' node with a single use.
346 def and_su : PatFrag<(ops node:$lhs, node:$rhs), (and node:$lhs, node:$rhs), [{
347 return N->hasOneUse();
350 // An 'xor' node with a single use.
351 def xor_su : PatFrag<(ops node:$lhs, node:$rhs), (xor node:$lhs, node:$rhs), [{
352 return N->hasOneUse();
355 // An 'fmul' node with a single use.
356 def fmul_su : PatFrag<(ops node:$lhs, node:$rhs), (fmul node:$lhs, node:$rhs),[{
357 return N->hasOneUse();
360 // An 'fadd' node which checks for single non-hazardous use.
361 def fadd_mlx : PatFrag<(ops node:$lhs, node:$rhs),(fadd node:$lhs, node:$rhs),[{
362 return hasNoVMLxHazardUse(N);
365 // An 'fsub' node which checks for single non-hazardous use.
366 def fsub_mlx : PatFrag<(ops node:$lhs, node:$rhs),(fsub node:$lhs, node:$rhs),[{
367 return hasNoVMLxHazardUse(N);
370 //===----------------------------------------------------------------------===//
371 // Operand Definitions.
374 // Immediate operands with a shared generic asm render method.
375 class ImmAsmOperand : AsmOperandClass { let RenderMethod = "addImmOperands"; }
378 // FIXME: rename brtarget to t2_brtarget
379 def brtarget : Operand<OtherVT> {
380 let EncoderMethod = "getBranchTargetOpValue";
381 let OperandType = "OPERAND_PCREL";
382 let DecoderMethod = "DecodeT2BROperand";
385 // FIXME: get rid of this one?
386 def uncondbrtarget : Operand<OtherVT> {
387 let EncoderMethod = "getUnconditionalBranchTargetOpValue";
388 let OperandType = "OPERAND_PCREL";
391 // Branch target for ARM. Handles conditional/unconditional
392 def br_target : Operand<OtherVT> {
393 let EncoderMethod = "getARMBranchTargetOpValue";
394 let OperandType = "OPERAND_PCREL";
398 // FIXME: rename bltarget to t2_bl_target?
399 def bltarget : Operand<i32> {
400 // Encoded the same as branch targets.
401 let EncoderMethod = "getBranchTargetOpValue";
402 let OperandType = "OPERAND_PCREL";
405 // Call target for ARM. Handles conditional/unconditional
406 // FIXME: rename bl_target to t2_bltarget?
407 def bl_target : Operand<i32> {
408 let EncoderMethod = "getARMBLTargetOpValue";
409 let OperandType = "OPERAND_PCREL";
412 def blx_target : Operand<i32> {
413 let EncoderMethod = "getARMBLXTargetOpValue";
414 let OperandType = "OPERAND_PCREL";
417 // A list of registers separated by comma. Used by load/store multiple.
418 def RegListAsmOperand : AsmOperandClass { let Name = "RegList"; }
419 def reglist : Operand<i32> {
420 let EncoderMethod = "getRegisterListOpValue";
421 let ParserMatchClass = RegListAsmOperand;
422 let PrintMethod = "printRegisterList";
423 let DecoderMethod = "DecodeRegListOperand";
426 def GPRPairOp : RegisterOperand<GPRPair, "printGPRPairOperand">;
428 def DPRRegListAsmOperand : AsmOperandClass { let Name = "DPRRegList"; }
429 def dpr_reglist : Operand<i32> {
430 let EncoderMethod = "getRegisterListOpValue";
431 let ParserMatchClass = DPRRegListAsmOperand;
432 let PrintMethod = "printRegisterList";
433 let DecoderMethod = "DecodeDPRRegListOperand";
436 def SPRRegListAsmOperand : AsmOperandClass { let Name = "SPRRegList"; }
437 def spr_reglist : Operand<i32> {
438 let EncoderMethod = "getRegisterListOpValue";
439 let ParserMatchClass = SPRRegListAsmOperand;
440 let PrintMethod = "printRegisterList";
441 let DecoderMethod = "DecodeSPRRegListOperand";
444 // An operand for the CONSTPOOL_ENTRY pseudo-instruction.
445 def cpinst_operand : Operand<i32> {
446 let PrintMethod = "printCPInstOperand";
450 def pclabel : Operand<i32> {
451 let PrintMethod = "printPCLabel";
454 // ADR instruction labels.
455 def AdrLabelAsmOperand : AsmOperandClass { let Name = "AdrLabel"; }
456 def adrlabel : Operand<i32> {
457 let EncoderMethod = "getAdrLabelOpValue";
458 let ParserMatchClass = AdrLabelAsmOperand;
459 let PrintMethod = "printAdrLabelOperand";
462 def neon_vcvt_imm32 : Operand<i32> {
463 let EncoderMethod = "getNEONVcvtImm32OpValue";
464 let DecoderMethod = "DecodeVCVTImmOperand";
467 // rot_imm: An integer that encodes a rotate amount. Must be 8, 16, or 24.
468 def rot_imm_XFORM: SDNodeXForm<imm, [{
469 switch (N->getZExtValue()){
471 case 0: return CurDAG->getTargetConstant(0, MVT::i32);
472 case 8: return CurDAG->getTargetConstant(1, MVT::i32);
473 case 16: return CurDAG->getTargetConstant(2, MVT::i32);
474 case 24: return CurDAG->getTargetConstant(3, MVT::i32);
477 def RotImmAsmOperand : AsmOperandClass {
479 let ParserMethod = "parseRotImm";
481 def rot_imm : Operand<i32>, PatLeaf<(i32 imm), [{
482 int32_t v = N->getZExtValue();
483 return v == 8 || v == 16 || v == 24; }],
485 let PrintMethod = "printRotImmOperand";
486 let ParserMatchClass = RotImmAsmOperand;
489 // shift_imm: An integer that encodes a shift amount and the type of shift
490 // (asr or lsl). The 6-bit immediate encodes as:
493 // {4-0} imm5 shift amount.
494 // asr #32 encoded as imm5 == 0.
495 def ShifterImmAsmOperand : AsmOperandClass {
496 let Name = "ShifterImm";
497 let ParserMethod = "parseShifterImm";
499 def shift_imm : Operand<i32> {
500 let PrintMethod = "printShiftImmOperand";
501 let ParserMatchClass = ShifterImmAsmOperand;
504 // shifter_operand operands: so_reg_reg, so_reg_imm, and so_imm.
505 def ShiftedRegAsmOperand : AsmOperandClass { let Name = "RegShiftedReg"; }
506 def so_reg_reg : Operand<i32>, // reg reg imm
507 ComplexPattern<i32, 3, "SelectRegShifterOperand",
508 [shl, srl, sra, rotr]> {
509 let EncoderMethod = "getSORegRegOpValue";
510 let PrintMethod = "printSORegRegOperand";
511 let DecoderMethod = "DecodeSORegRegOperand";
512 let ParserMatchClass = ShiftedRegAsmOperand;
513 let MIOperandInfo = (ops GPRnopc, GPRnopc, i32imm);
516 def ShiftedImmAsmOperand : AsmOperandClass { let Name = "RegShiftedImm"; }
517 def so_reg_imm : Operand<i32>, // reg imm
518 ComplexPattern<i32, 2, "SelectImmShifterOperand",
519 [shl, srl, sra, rotr]> {
520 let EncoderMethod = "getSORegImmOpValue";
521 let PrintMethod = "printSORegImmOperand";
522 let DecoderMethod = "DecodeSORegImmOperand";
523 let ParserMatchClass = ShiftedImmAsmOperand;
524 let MIOperandInfo = (ops GPR, i32imm);
527 // FIXME: Does this need to be distinct from so_reg?
528 def shift_so_reg_reg : Operand<i32>, // reg reg imm
529 ComplexPattern<i32, 3, "SelectShiftRegShifterOperand",
530 [shl,srl,sra,rotr]> {
531 let EncoderMethod = "getSORegRegOpValue";
532 let PrintMethod = "printSORegRegOperand";
533 let DecoderMethod = "DecodeSORegRegOperand";
534 let ParserMatchClass = ShiftedRegAsmOperand;
535 let MIOperandInfo = (ops GPR, GPR, i32imm);
538 // FIXME: Does this need to be distinct from so_reg?
539 def shift_so_reg_imm : Operand<i32>, // reg reg imm
540 ComplexPattern<i32, 2, "SelectShiftImmShifterOperand",
541 [shl,srl,sra,rotr]> {
542 let EncoderMethod = "getSORegImmOpValue";
543 let PrintMethod = "printSORegImmOperand";
544 let DecoderMethod = "DecodeSORegImmOperand";
545 let ParserMatchClass = ShiftedImmAsmOperand;
546 let MIOperandInfo = (ops GPR, i32imm);
550 // so_imm - Match a 32-bit shifter_operand immediate operand, which is an
551 // 8-bit immediate rotated by an arbitrary number of bits.
552 def SOImmAsmOperand: ImmAsmOperand { let Name = "ARMSOImm"; }
553 def so_imm : Operand<i32>, ImmLeaf<i32, [{
554 return ARM_AM::getSOImmVal(Imm) != -1;
556 let EncoderMethod = "getSOImmOpValue";
557 let ParserMatchClass = SOImmAsmOperand;
558 let DecoderMethod = "DecodeSOImmOperand";
561 // Break so_imm's up into two pieces. This handles immediates with up to 16
562 // bits set in them. This uses so_imm2part to match and so_imm2part_[12] to
563 // get the first/second pieces.
564 def so_imm2part : PatLeaf<(imm), [{
565 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
568 /// arm_i32imm - True for +V6T2, or true only if so_imm2part is true.
570 def arm_i32imm : PatLeaf<(imm), [{
571 if (Subtarget->hasV6T2Ops())
573 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
576 /// imm0_1 predicate - Immediate in the range [0,1].
577 def Imm0_1AsmOperand: ImmAsmOperand { let Name = "Imm0_1"; }
578 def imm0_1 : Operand<i32> { let ParserMatchClass = Imm0_1AsmOperand; }
580 /// imm0_3 predicate - Immediate in the range [0,3].
581 def Imm0_3AsmOperand: ImmAsmOperand { let Name = "Imm0_3"; }
582 def imm0_3 : Operand<i32> { let ParserMatchClass = Imm0_3AsmOperand; }
584 /// imm0_7 predicate - Immediate in the range [0,7].
585 def Imm0_7AsmOperand: ImmAsmOperand { let Name = "Imm0_7"; }
586 def imm0_7 : Operand<i32>, ImmLeaf<i32, [{
587 return Imm >= 0 && Imm < 8;
589 let ParserMatchClass = Imm0_7AsmOperand;
592 /// imm8 predicate - Immediate is exactly 8.
593 def Imm8AsmOperand: ImmAsmOperand { let Name = "Imm8"; }
594 def imm8 : Operand<i32>, ImmLeaf<i32, [{ return Imm == 8; }]> {
595 let ParserMatchClass = Imm8AsmOperand;
598 /// imm16 predicate - Immediate is exactly 16.
599 def Imm16AsmOperand: ImmAsmOperand { let Name = "Imm16"; }
600 def imm16 : Operand<i32>, ImmLeaf<i32, [{ return Imm == 16; }]> {
601 let ParserMatchClass = Imm16AsmOperand;
604 /// imm32 predicate - Immediate is exactly 32.
605 def Imm32AsmOperand: ImmAsmOperand { let Name = "Imm32"; }
606 def imm32 : Operand<i32>, ImmLeaf<i32, [{ return Imm == 32; }]> {
607 let ParserMatchClass = Imm32AsmOperand;
610 /// imm1_7 predicate - Immediate in the range [1,7].
611 def Imm1_7AsmOperand: ImmAsmOperand { let Name = "Imm1_7"; }
612 def imm1_7 : Operand<i32>, ImmLeaf<i32, [{ return Imm > 0 && Imm < 8; }]> {
613 let ParserMatchClass = Imm1_7AsmOperand;
616 /// imm1_15 predicate - Immediate in the range [1,15].
617 def Imm1_15AsmOperand: ImmAsmOperand { let Name = "Imm1_15"; }
618 def imm1_15 : Operand<i32>, ImmLeaf<i32, [{ return Imm > 0 && Imm < 16; }]> {
619 let ParserMatchClass = Imm1_15AsmOperand;
622 /// imm1_31 predicate - Immediate in the range [1,31].
623 def Imm1_31AsmOperand: ImmAsmOperand { let Name = "Imm1_31"; }
624 def imm1_31 : Operand<i32>, ImmLeaf<i32, [{ return Imm > 0 && Imm < 32; }]> {
625 let ParserMatchClass = Imm1_31AsmOperand;
628 /// imm0_15 predicate - Immediate in the range [0,15].
629 def Imm0_15AsmOperand: ImmAsmOperand {
630 let Name = "Imm0_15";
631 let DiagnosticType = "ImmRange0_15";
633 def imm0_15 : Operand<i32>, ImmLeaf<i32, [{
634 return Imm >= 0 && Imm < 16;
636 let ParserMatchClass = Imm0_15AsmOperand;
639 /// imm0_31 predicate - True if the 32-bit immediate is in the range [0,31].
640 def Imm0_31AsmOperand: ImmAsmOperand { let Name = "Imm0_31"; }
641 def imm0_31 : Operand<i32>, ImmLeaf<i32, [{
642 return Imm >= 0 && Imm < 32;
644 let ParserMatchClass = Imm0_31AsmOperand;
647 /// imm0_32 predicate - True if the 32-bit immediate is in the range [0,32].
648 def Imm0_32AsmOperand: ImmAsmOperand { let Name = "Imm0_32"; }
649 def imm0_32 : Operand<i32>, ImmLeaf<i32, [{
650 return Imm >= 0 && Imm < 32;
652 let ParserMatchClass = Imm0_32AsmOperand;
655 /// imm0_63 predicate - True if the 32-bit immediate is in the range [0,63].
656 def Imm0_63AsmOperand: ImmAsmOperand { let Name = "Imm0_63"; }
657 def imm0_63 : Operand<i32>, ImmLeaf<i32, [{
658 return Imm >= 0 && Imm < 64;
660 let ParserMatchClass = Imm0_63AsmOperand;
663 /// imm0_255 predicate - Immediate in the range [0,255].
664 def Imm0_255AsmOperand : ImmAsmOperand { let Name = "Imm0_255"; }
665 def imm0_255 : Operand<i32>, ImmLeaf<i32, [{ return Imm >= 0 && Imm < 256; }]> {
666 let ParserMatchClass = Imm0_255AsmOperand;
669 /// imm0_65535 - An immediate is in the range [0.65535].
670 def Imm0_65535AsmOperand: ImmAsmOperand { let Name = "Imm0_65535"; }
671 def imm0_65535 : Operand<i32>, ImmLeaf<i32, [{
672 return Imm >= 0 && Imm < 65536;
674 let ParserMatchClass = Imm0_65535AsmOperand;
677 // imm0_65535_neg - An immediate whose negative value is in the range [0.65535].
678 def imm0_65535_neg : Operand<i32>, ImmLeaf<i32, [{
679 return -Imm >= 0 && -Imm < 65536;
682 // imm0_65535_expr - For movt/movw - 16-bit immediate that can also reference
683 // a relocatable expression.
685 // FIXME: This really needs a Thumb version separate from the ARM version.
686 // While the range is the same, and can thus use the same match class,
687 // the encoding is different so it should have a different encoder method.
688 def Imm0_65535ExprAsmOperand: ImmAsmOperand { let Name = "Imm0_65535Expr"; }
689 def imm0_65535_expr : Operand<i32> {
690 let EncoderMethod = "getHiLo16ImmOpValue";
691 let ParserMatchClass = Imm0_65535ExprAsmOperand;
694 /// imm24b - True if the 32-bit immediate is encodable in 24 bits.
695 def Imm24bitAsmOperand: ImmAsmOperand { let Name = "Imm24bit"; }
696 def imm24b : Operand<i32>, ImmLeaf<i32, [{
697 return Imm >= 0 && Imm <= 0xffffff;
699 let ParserMatchClass = Imm24bitAsmOperand;
703 /// bf_inv_mask_imm predicate - An AND mask to clear an arbitrary width bitfield
705 def BitfieldAsmOperand : AsmOperandClass {
706 let Name = "Bitfield";
707 let ParserMethod = "parseBitfield";
710 def bf_inv_mask_imm : Operand<i32>,
712 return ARM::isBitFieldInvertedMask(N->getZExtValue());
714 let EncoderMethod = "getBitfieldInvertedMaskOpValue";
715 let PrintMethod = "printBitfieldInvMaskImmOperand";
716 let DecoderMethod = "DecodeBitfieldMaskOperand";
717 let ParserMatchClass = BitfieldAsmOperand;
720 def imm1_32_XFORM: SDNodeXForm<imm, [{
721 return CurDAG->getTargetConstant((int)N->getZExtValue() - 1, MVT::i32);
723 def Imm1_32AsmOperand: AsmOperandClass { let Name = "Imm1_32"; }
724 def imm1_32 : Operand<i32>, PatLeaf<(imm), [{
725 uint64_t Imm = N->getZExtValue();
726 return Imm > 0 && Imm <= 32;
729 let PrintMethod = "printImmPlusOneOperand";
730 let ParserMatchClass = Imm1_32AsmOperand;
733 def imm1_16_XFORM: SDNodeXForm<imm, [{
734 return CurDAG->getTargetConstant((int)N->getZExtValue() - 1, MVT::i32);
736 def Imm1_16AsmOperand: AsmOperandClass { let Name = "Imm1_16"; }
737 def imm1_16 : Operand<i32>, PatLeaf<(imm), [{ return Imm > 0 && Imm <= 16; }],
739 let PrintMethod = "printImmPlusOneOperand";
740 let ParserMatchClass = Imm1_16AsmOperand;
743 // Define ARM specific addressing modes.
744 // addrmode_imm12 := reg +/- imm12
746 def MemImm12OffsetAsmOperand : AsmOperandClass { let Name = "MemImm12Offset"; }
747 def addrmode_imm12 : Operand<i32>,
748 ComplexPattern<i32, 2, "SelectAddrModeImm12", []> {
749 // 12-bit immediate operand. Note that instructions using this encode
750 // #0 and #-0 differently. We flag #-0 as the magic value INT32_MIN. All other
751 // immediate values are as normal.
753 let EncoderMethod = "getAddrModeImm12OpValue";
754 let PrintMethod = "printAddrModeImm12Operand";
755 let DecoderMethod = "DecodeAddrModeImm12Operand";
756 let ParserMatchClass = MemImm12OffsetAsmOperand;
757 let MIOperandInfo = (ops GPR:$base, i32imm:$offsimm);
759 // ldst_so_reg := reg +/- reg shop imm
761 def MemRegOffsetAsmOperand : AsmOperandClass { let Name = "MemRegOffset"; }
762 def ldst_so_reg : Operand<i32>,
763 ComplexPattern<i32, 3, "SelectLdStSOReg", []> {
764 let EncoderMethod = "getLdStSORegOpValue";
765 // FIXME: Simplify the printer
766 let PrintMethod = "printAddrMode2Operand";
767 let DecoderMethod = "DecodeSORegMemOperand";
768 let ParserMatchClass = MemRegOffsetAsmOperand;
769 let MIOperandInfo = (ops GPR:$base, GPRnopc:$offsreg, i32imm:$shift);
772 // postidx_imm8 := +/- [0,255]
775 // {8} 1 is imm8 is non-negative. 0 otherwise.
776 // {7-0} [0,255] imm8 value.
777 def PostIdxImm8AsmOperand : AsmOperandClass { let Name = "PostIdxImm8"; }
778 def postidx_imm8 : Operand<i32> {
779 let PrintMethod = "printPostIdxImm8Operand";
780 let ParserMatchClass = PostIdxImm8AsmOperand;
781 let MIOperandInfo = (ops i32imm);
784 // postidx_imm8s4 := +/- [0,1020]
787 // {8} 1 is imm8 is non-negative. 0 otherwise.
788 // {7-0} [0,255] imm8 value, scaled by 4.
789 def PostIdxImm8s4AsmOperand : AsmOperandClass { let Name = "PostIdxImm8s4"; }
790 def postidx_imm8s4 : Operand<i32> {
791 let PrintMethod = "printPostIdxImm8s4Operand";
792 let ParserMatchClass = PostIdxImm8s4AsmOperand;
793 let MIOperandInfo = (ops i32imm);
797 // postidx_reg := +/- reg
799 def PostIdxRegAsmOperand : AsmOperandClass {
800 let Name = "PostIdxReg";
801 let ParserMethod = "parsePostIdxReg";
803 def postidx_reg : Operand<i32> {
804 let EncoderMethod = "getPostIdxRegOpValue";
805 let DecoderMethod = "DecodePostIdxReg";
806 let PrintMethod = "printPostIdxRegOperand";
807 let ParserMatchClass = PostIdxRegAsmOperand;
808 let MIOperandInfo = (ops GPRnopc, i32imm);
812 // addrmode2 := reg +/- imm12
813 // := reg +/- reg shop imm
815 // FIXME: addrmode2 should be refactored the rest of the way to always
816 // use explicit imm vs. reg versions above (addrmode_imm12 and ldst_so_reg).
817 def AddrMode2AsmOperand : AsmOperandClass { let Name = "AddrMode2"; }
818 def addrmode2 : Operand<i32>,
819 ComplexPattern<i32, 3, "SelectAddrMode2", []> {
820 let EncoderMethod = "getAddrMode2OpValue";
821 let PrintMethod = "printAddrMode2Operand";
822 let ParserMatchClass = AddrMode2AsmOperand;
823 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
826 def PostIdxRegShiftedAsmOperand : AsmOperandClass {
827 let Name = "PostIdxRegShifted";
828 let ParserMethod = "parsePostIdxReg";
830 def am2offset_reg : Operand<i32>,
831 ComplexPattern<i32, 2, "SelectAddrMode2OffsetReg",
832 [], [SDNPWantRoot]> {
833 let EncoderMethod = "getAddrMode2OffsetOpValue";
834 let PrintMethod = "printAddrMode2OffsetOperand";
835 // When using this for assembly, it's always as a post-index offset.
836 let ParserMatchClass = PostIdxRegShiftedAsmOperand;
837 let MIOperandInfo = (ops GPRnopc, i32imm);
840 // FIXME: am2offset_imm should only need the immediate, not the GPR. Having
841 // the GPR is purely vestigal at this point.
842 def AM2OffsetImmAsmOperand : AsmOperandClass { let Name = "AM2OffsetImm"; }
843 def am2offset_imm : Operand<i32>,
844 ComplexPattern<i32, 2, "SelectAddrMode2OffsetImm",
845 [], [SDNPWantRoot]> {
846 let EncoderMethod = "getAddrMode2OffsetOpValue";
847 let PrintMethod = "printAddrMode2OffsetOperand";
848 let ParserMatchClass = AM2OffsetImmAsmOperand;
849 let MIOperandInfo = (ops GPRnopc, i32imm);
853 // addrmode3 := reg +/- reg
854 // addrmode3 := reg +/- imm8
856 // FIXME: split into imm vs. reg versions.
857 def AddrMode3AsmOperand : AsmOperandClass { let Name = "AddrMode3"; }
858 def addrmode3 : Operand<i32>,
859 ComplexPattern<i32, 3, "SelectAddrMode3", []> {
860 let EncoderMethod = "getAddrMode3OpValue";
861 let PrintMethod = "printAddrMode3Operand";
862 let ParserMatchClass = AddrMode3AsmOperand;
863 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
866 // FIXME: split into imm vs. reg versions.
867 // FIXME: parser method to handle +/- register.
868 def AM3OffsetAsmOperand : AsmOperandClass {
869 let Name = "AM3Offset";
870 let ParserMethod = "parseAM3Offset";
872 def am3offset : Operand<i32>,
873 ComplexPattern<i32, 2, "SelectAddrMode3Offset",
874 [], [SDNPWantRoot]> {
875 let EncoderMethod = "getAddrMode3OffsetOpValue";
876 let PrintMethod = "printAddrMode3OffsetOperand";
877 let ParserMatchClass = AM3OffsetAsmOperand;
878 let MIOperandInfo = (ops GPR, i32imm);
881 // ldstm_mode := {ia, ib, da, db}
883 def ldstm_mode : OptionalDefOperand<OtherVT, (ops i32), (ops (i32 1))> {
884 let EncoderMethod = "getLdStmModeOpValue";
885 let PrintMethod = "printLdStmModeOperand";
888 // addrmode5 := reg +/- imm8*4
890 def AddrMode5AsmOperand : AsmOperandClass { let Name = "AddrMode5"; }
891 def addrmode5 : Operand<i32>,
892 ComplexPattern<i32, 2, "SelectAddrMode5", []> {
893 let PrintMethod = "printAddrMode5Operand";
894 let EncoderMethod = "getAddrMode5OpValue";
895 let DecoderMethod = "DecodeAddrMode5Operand";
896 let ParserMatchClass = AddrMode5AsmOperand;
897 let MIOperandInfo = (ops GPR:$base, i32imm);
900 // addrmode6 := reg with optional alignment
902 def AddrMode6AsmOperand : AsmOperandClass { let Name = "AlignedMemory"; }
903 def addrmode6 : Operand<i32>,
904 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
905 let PrintMethod = "printAddrMode6Operand";
906 let MIOperandInfo = (ops GPR:$addr, i32imm:$align);
907 let EncoderMethod = "getAddrMode6AddressOpValue";
908 let DecoderMethod = "DecodeAddrMode6Operand";
909 let ParserMatchClass = AddrMode6AsmOperand;
912 def am6offset : Operand<i32>,
913 ComplexPattern<i32, 1, "SelectAddrMode6Offset",
914 [], [SDNPWantRoot]> {
915 let PrintMethod = "printAddrMode6OffsetOperand";
916 let MIOperandInfo = (ops GPR);
917 let EncoderMethod = "getAddrMode6OffsetOpValue";
918 let DecoderMethod = "DecodeGPRRegisterClass";
921 // Special version of addrmode6 to handle alignment encoding for VST1/VLD1
922 // (single element from one lane) for size 32.
923 def addrmode6oneL32 : Operand<i32>,
924 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
925 let PrintMethod = "printAddrMode6Operand";
926 let MIOperandInfo = (ops GPR:$addr, i32imm);
927 let EncoderMethod = "getAddrMode6OneLane32AddressOpValue";
930 // Special version of addrmode6 to handle alignment encoding for VLD-dup
931 // instructions, specifically VLD4-dup.
932 def addrmode6dup : Operand<i32>,
933 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
934 let PrintMethod = "printAddrMode6Operand";
935 let MIOperandInfo = (ops GPR:$addr, i32imm);
936 let EncoderMethod = "getAddrMode6DupAddressOpValue";
937 // FIXME: This is close, but not quite right. The alignment specifier is
939 let ParserMatchClass = AddrMode6AsmOperand;
942 // addrmodepc := pc + reg
944 def addrmodepc : Operand<i32>,
945 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
946 let PrintMethod = "printAddrModePCOperand";
947 let MIOperandInfo = (ops GPR, i32imm);
950 // addr_offset_none := reg
952 def MemNoOffsetAsmOperand : AsmOperandClass { let Name = "MemNoOffset"; }
953 def addr_offset_none : Operand<i32>,
954 ComplexPattern<i32, 1, "SelectAddrOffsetNone", []> {
955 let PrintMethod = "printAddrMode7Operand";
956 let DecoderMethod = "DecodeAddrMode7Operand";
957 let ParserMatchClass = MemNoOffsetAsmOperand;
958 let MIOperandInfo = (ops GPR:$base);
961 def nohash_imm : Operand<i32> {
962 let PrintMethod = "printNoHashImmediate";
965 def CoprocNumAsmOperand : AsmOperandClass {
966 let Name = "CoprocNum";
967 let ParserMethod = "parseCoprocNumOperand";
969 def p_imm : Operand<i32> {
970 let PrintMethod = "printPImmediate";
971 let ParserMatchClass = CoprocNumAsmOperand;
972 let DecoderMethod = "DecodeCoprocessor";
975 def pf_imm : Operand<i32> {
976 let PrintMethod = "printPImmediate";
977 let ParserMatchClass = CoprocNumAsmOperand;
980 def CoprocRegAsmOperand : AsmOperandClass {
981 let Name = "CoprocReg";
982 let ParserMethod = "parseCoprocRegOperand";
984 def c_imm : Operand<i32> {
985 let PrintMethod = "printCImmediate";
986 let ParserMatchClass = CoprocRegAsmOperand;
988 def CoprocOptionAsmOperand : AsmOperandClass {
989 let Name = "CoprocOption";
990 let ParserMethod = "parseCoprocOptionOperand";
992 def coproc_option_imm : Operand<i32> {
993 let PrintMethod = "printCoprocOptionImm";
994 let ParserMatchClass = CoprocOptionAsmOperand;
997 //===----------------------------------------------------------------------===//
999 include "ARMInstrFormats.td"
1001 //===----------------------------------------------------------------------===//
1002 // Multiclass helpers...
1005 /// AsI1_bin_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns for a
1006 /// binop that produces a value.
1007 let TwoOperandAliasConstraint = "$Rn = $Rd" in
1008 multiclass AsI1_bin_irs<bits<4> opcod, string opc,
1009 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
1010 PatFrag opnode, bit Commutable = 0> {
1011 // The register-immediate version is re-materializable. This is useful
1012 // in particular for taking the address of a local.
1013 let isReMaterializable = 1 in {
1014 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
1015 iii, opc, "\t$Rd, $Rn, $imm",
1016 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>,
1017 Sched<[WriteALU, ReadALU]> {
1022 let Inst{19-16} = Rn;
1023 let Inst{15-12} = Rd;
1024 let Inst{11-0} = imm;
1027 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
1028 iir, opc, "\t$Rd, $Rn, $Rm",
1029 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
1030 Sched<[WriteALU, ReadALU, ReadALU]> {
1035 let isCommutable = Commutable;
1036 let Inst{19-16} = Rn;
1037 let Inst{15-12} = Rd;
1038 let Inst{11-4} = 0b00000000;
1042 def rsi : AsI1<opcod, (outs GPR:$Rd),
1043 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm,
1044 iis, opc, "\t$Rd, $Rn, $shift",
1045 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_imm:$shift))]>,
1046 Sched<[WriteALUsi, ReadALU]> {
1051 let Inst{19-16} = Rn;
1052 let Inst{15-12} = Rd;
1053 let Inst{11-5} = shift{11-5};
1055 let Inst{3-0} = shift{3-0};
1058 def rsr : AsI1<opcod, (outs GPR:$Rd),
1059 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm,
1060 iis, opc, "\t$Rd, $Rn, $shift",
1061 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_reg:$shift))]>,
1062 Sched<[WriteALUsr, ReadALUsr]> {
1067 let Inst{19-16} = Rn;
1068 let Inst{15-12} = Rd;
1069 let Inst{11-8} = shift{11-8};
1071 let Inst{6-5} = shift{6-5};
1073 let Inst{3-0} = shift{3-0};
1077 /// AsI1_rbin_irs - Same as AsI1_bin_irs except the order of operands are
1078 /// reversed. The 'rr' form is only defined for the disassembler; for codegen
1079 /// it is equivalent to the AsI1_bin_irs counterpart.
1080 let TwoOperandAliasConstraint = "$Rn = $Rd" in
1081 multiclass AsI1_rbin_irs<bits<4> opcod, string opc,
1082 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
1083 PatFrag opnode, bit Commutable = 0> {
1084 // The register-immediate version is re-materializable. This is useful
1085 // in particular for taking the address of a local.
1086 let isReMaterializable = 1 in {
1087 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
1088 iii, opc, "\t$Rd, $Rn, $imm",
1089 [(set GPR:$Rd, (opnode so_imm:$imm, GPR:$Rn))]>,
1090 Sched<[WriteALU, ReadALU]> {
1095 let Inst{19-16} = Rn;
1096 let Inst{15-12} = Rd;
1097 let Inst{11-0} = imm;
1100 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
1101 iir, opc, "\t$Rd, $Rn, $Rm",
1102 [/* pattern left blank */]>,
1103 Sched<[WriteALU, ReadALU, ReadALU]> {
1107 let Inst{11-4} = 0b00000000;
1110 let Inst{15-12} = Rd;
1111 let Inst{19-16} = Rn;
1114 def rsi : AsI1<opcod, (outs GPR:$Rd),
1115 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm,
1116 iis, opc, "\t$Rd, $Rn, $shift",
1117 [(set GPR:$Rd, (opnode so_reg_imm:$shift, GPR:$Rn))]>,
1118 Sched<[WriteALUsi, ReadALU]> {
1123 let Inst{19-16} = Rn;
1124 let Inst{15-12} = Rd;
1125 let Inst{11-5} = shift{11-5};
1127 let Inst{3-0} = shift{3-0};
1130 def rsr : AsI1<opcod, (outs GPR:$Rd),
1131 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm,
1132 iis, opc, "\t$Rd, $Rn, $shift",
1133 [(set GPR:$Rd, (opnode so_reg_reg:$shift, GPR:$Rn))]>,
1134 Sched<[WriteALUsr, ReadALUsr]> {
1139 let Inst{19-16} = Rn;
1140 let Inst{15-12} = Rd;
1141 let Inst{11-8} = shift{11-8};
1143 let Inst{6-5} = shift{6-5};
1145 let Inst{3-0} = shift{3-0};
1149 /// AsI1_bin_s_irs - Same as AsI1_bin_irs except it sets the 's' bit by default.
1151 /// These opcodes will be converted to the real non-S opcodes by
1152 /// AdjustInstrPostInstrSelection after giving them an optional CPSR operand.
1153 let hasPostISelHook = 1, Defs = [CPSR] in {
1154 multiclass AsI1_bin_s_irs<InstrItinClass iii, InstrItinClass iir,
1155 InstrItinClass iis, PatFrag opnode,
1156 bit Commutable = 0> {
1157 def ri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm, pred:$p),
1159 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, so_imm:$imm))]>,
1160 Sched<[WriteALU, ReadALU]>;
1162 def rr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, pred:$p),
1164 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, GPR:$Rm))]>,
1165 Sched<[WriteALU, ReadALU, ReadALU]> {
1166 let isCommutable = Commutable;
1168 def rsi : ARMPseudoInst<(outs GPR:$Rd),
1169 (ins GPR:$Rn, so_reg_imm:$shift, pred:$p),
1171 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn,
1172 so_reg_imm:$shift))]>,
1173 Sched<[WriteALUsi, ReadALU]>;
1175 def rsr : ARMPseudoInst<(outs GPR:$Rd),
1176 (ins GPR:$Rn, so_reg_reg:$shift, pred:$p),
1178 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn,
1179 so_reg_reg:$shift))]>,
1180 Sched<[WriteALUSsr, ReadALUsr]>;
1184 /// AsI1_rbin_s_is - Same as AsI1_bin_s_irs, except selection DAG
1185 /// operands are reversed.
1186 let hasPostISelHook = 1, Defs = [CPSR] in {
1187 multiclass AsI1_rbin_s_is<InstrItinClass iii, InstrItinClass iir,
1188 InstrItinClass iis, PatFrag opnode,
1189 bit Commutable = 0> {
1190 def ri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm, pred:$p),
1192 [(set GPR:$Rd, CPSR, (opnode so_imm:$imm, GPR:$Rn))]>,
1193 Sched<[WriteALU, ReadALU]>;
1195 def rsi : ARMPseudoInst<(outs GPR:$Rd),
1196 (ins GPR:$Rn, so_reg_imm:$shift, pred:$p),
1198 [(set GPR:$Rd, CPSR, (opnode so_reg_imm:$shift,
1200 Sched<[WriteALUsi, ReadALU]>;
1202 def rsr : ARMPseudoInst<(outs GPR:$Rd),
1203 (ins GPR:$Rn, so_reg_reg:$shift, pred:$p),
1205 [(set GPR:$Rd, CPSR, (opnode so_reg_reg:$shift,
1207 Sched<[WriteALUSsr, ReadALUsr]>;
1211 /// AI1_cmp_irs - Defines a set of (op r, {so_imm|r|so_reg}) cmp / test
1212 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
1213 /// a explicit result, only implicitly set CPSR.
1214 let isCompare = 1, Defs = [CPSR] in {
1215 multiclass AI1_cmp_irs<bits<4> opcod, string opc,
1216 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
1217 PatFrag opnode, bit Commutable = 0> {
1218 def ri : AI1<opcod, (outs), (ins GPR:$Rn, so_imm:$imm), DPFrm, iii,
1220 [(opnode GPR:$Rn, so_imm:$imm)]>,
1221 Sched<[WriteCMP, ReadALU]> {
1226 let Inst{19-16} = Rn;
1227 let Inst{15-12} = 0b0000;
1228 let Inst{11-0} = imm;
1230 let Unpredictable{15-12} = 0b1111;
1232 def rr : AI1<opcod, (outs), (ins GPR:$Rn, GPR:$Rm), DPFrm, iir,
1234 [(opnode GPR:$Rn, GPR:$Rm)]>,
1235 Sched<[WriteCMP, ReadALU, ReadALU]> {
1238 let isCommutable = Commutable;
1241 let Inst{19-16} = Rn;
1242 let Inst{15-12} = 0b0000;
1243 let Inst{11-4} = 0b00000000;
1246 let Unpredictable{15-12} = 0b1111;
1248 def rsi : AI1<opcod, (outs),
1249 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm, iis,
1250 opc, "\t$Rn, $shift",
1251 [(opnode GPR:$Rn, so_reg_imm:$shift)]>,
1252 Sched<[WriteCMPsi, ReadALU]> {
1257 let Inst{19-16} = Rn;
1258 let Inst{15-12} = 0b0000;
1259 let Inst{11-5} = shift{11-5};
1261 let Inst{3-0} = shift{3-0};
1263 let Unpredictable{15-12} = 0b1111;
1265 def rsr : AI1<opcod, (outs),
1266 (ins GPRnopc:$Rn, so_reg_reg:$shift), DPSoRegRegFrm, iis,
1267 opc, "\t$Rn, $shift",
1268 [(opnode GPRnopc:$Rn, so_reg_reg:$shift)]>,
1269 Sched<[WriteCMPsr, ReadALU]> {
1274 let Inst{19-16} = Rn;
1275 let Inst{15-12} = 0b0000;
1276 let Inst{11-8} = shift{11-8};
1278 let Inst{6-5} = shift{6-5};
1280 let Inst{3-0} = shift{3-0};
1282 let Unpredictable{15-12} = 0b1111;
1288 /// AI_ext_rrot - A unary operation with two forms: one whose operand is a
1289 /// register and one whose operand is a register rotated by 8/16/24.
1290 /// FIXME: Remove the 'r' variant. Its rot_imm is zero.
1291 class AI_ext_rrot<bits<8> opcod, string opc, PatFrag opnode>
1292 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPRnopc:$Rm, rot_imm:$rot),
1293 IIC_iEXTr, opc, "\t$Rd, $Rm$rot",
1294 [(set GPRnopc:$Rd, (opnode (rotr GPRnopc:$Rm, rot_imm:$rot)))]>,
1295 Requires<[IsARM, HasV6]> {
1299 let Inst{19-16} = 0b1111;
1300 let Inst{15-12} = Rd;
1301 let Inst{11-10} = rot;
1305 class AI_ext_rrot_np<bits<8> opcod, string opc>
1306 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPRnopc:$Rm, rot_imm:$rot),
1307 IIC_iEXTr, opc, "\t$Rd, $Rm$rot", []>,
1308 Requires<[IsARM, HasV6]> {
1310 let Inst{19-16} = 0b1111;
1311 let Inst{11-10} = rot;
1314 /// AI_exta_rrot - A binary operation with two forms: one whose operand is a
1315 /// register and one whose operand is a register rotated by 8/16/24.
1316 class AI_exta_rrot<bits<8> opcod, string opc, PatFrag opnode>
1317 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPR:$Rn, GPRnopc:$Rm, rot_imm:$rot),
1318 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm$rot",
1319 [(set GPRnopc:$Rd, (opnode GPR:$Rn,
1320 (rotr GPRnopc:$Rm, rot_imm:$rot)))]>,
1321 Requires<[IsARM, HasV6]> {
1326 let Inst{19-16} = Rn;
1327 let Inst{15-12} = Rd;
1328 let Inst{11-10} = rot;
1329 let Inst{9-4} = 0b000111;
1333 class AI_exta_rrot_np<bits<8> opcod, string opc>
1334 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPR:$Rn, GPRnopc:$Rm, rot_imm:$rot),
1335 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm$rot", []>,
1336 Requires<[IsARM, HasV6]> {
1339 let Inst{19-16} = Rn;
1340 let Inst{11-10} = rot;
1343 /// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
1344 let TwoOperandAliasConstraint = "$Rn = $Rd" in
1345 multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode,
1346 bit Commutable = 0> {
1347 let hasPostISelHook = 1, Defs = [CPSR], Uses = [CPSR] in {
1348 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
1349 DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
1350 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, so_imm:$imm, CPSR))]>,
1352 Sched<[WriteALU, ReadALU]> {
1357 let Inst{15-12} = Rd;
1358 let Inst{19-16} = Rn;
1359 let Inst{11-0} = imm;
1361 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
1362 DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
1363 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, GPR:$Rm, CPSR))]>,
1365 Sched<[WriteALU, ReadALU, ReadALU]> {
1369 let Inst{11-4} = 0b00000000;
1371 let isCommutable = Commutable;
1373 let Inst{15-12} = Rd;
1374 let Inst{19-16} = Rn;
1376 def rsi : AsI1<opcod, (outs GPR:$Rd),
1377 (ins GPR:$Rn, so_reg_imm:$shift),
1378 DPSoRegImmFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1379 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, so_reg_imm:$shift, CPSR))]>,
1381 Sched<[WriteALUsi, ReadALU]> {
1386 let Inst{19-16} = Rn;
1387 let Inst{15-12} = Rd;
1388 let Inst{11-5} = shift{11-5};
1390 let Inst{3-0} = shift{3-0};
1392 def rsr : AsI1<opcod, (outs GPRnopc:$Rd),
1393 (ins GPRnopc:$Rn, so_reg_reg:$shift),
1394 DPSoRegRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1395 [(set GPRnopc:$Rd, CPSR,
1396 (opnode GPRnopc:$Rn, so_reg_reg:$shift, CPSR))]>,
1398 Sched<[WriteALUsr, ReadALUsr]> {
1403 let Inst{19-16} = Rn;
1404 let Inst{15-12} = Rd;
1405 let Inst{11-8} = shift{11-8};
1407 let Inst{6-5} = shift{6-5};
1409 let Inst{3-0} = shift{3-0};
1414 /// AI1_rsc_irs - Define instructions and patterns for rsc
1415 let TwoOperandAliasConstraint = "$Rn = $Rd" in
1416 multiclass AI1_rsc_irs<bits<4> opcod, string opc, PatFrag opnode> {
1417 let hasPostISelHook = 1, Defs = [CPSR], Uses = [CPSR] in {
1418 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
1419 DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
1420 [(set GPR:$Rd, CPSR, (opnode so_imm:$imm, GPR:$Rn, CPSR))]>,
1422 Sched<[WriteALU, ReadALU]> {
1427 let Inst{15-12} = Rd;
1428 let Inst{19-16} = Rn;
1429 let Inst{11-0} = imm;
1431 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
1432 DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
1433 [/* pattern left blank */]>,
1434 Sched<[WriteALU, ReadALU, ReadALU]> {
1438 let Inst{11-4} = 0b00000000;
1441 let Inst{15-12} = Rd;
1442 let Inst{19-16} = Rn;
1444 def rsi : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_imm:$shift),
1445 DPSoRegImmFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1446 [(set GPR:$Rd, CPSR, (opnode so_reg_imm:$shift, GPR:$Rn, CPSR))]>,
1448 Sched<[WriteALUsi, ReadALU]> {
1453 let Inst{19-16} = Rn;
1454 let Inst{15-12} = Rd;
1455 let Inst{11-5} = shift{11-5};
1457 let Inst{3-0} = shift{3-0};
1459 def rsr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_reg:$shift),
1460 DPSoRegRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1461 [(set GPR:$Rd, CPSR, (opnode so_reg_reg:$shift, GPR:$Rn, CPSR))]>,
1463 Sched<[WriteALUsr, ReadALUsr]> {
1468 let Inst{19-16} = Rn;
1469 let Inst{15-12} = Rd;
1470 let Inst{11-8} = shift{11-8};
1472 let Inst{6-5} = shift{6-5};
1474 let Inst{3-0} = shift{3-0};
1479 let canFoldAsLoad = 1, isReMaterializable = 1 in {
1480 multiclass AI_ldr1<bit isByte, string opc, InstrItinClass iii,
1481 InstrItinClass iir, PatFrag opnode> {
1482 // Note: We use the complex addrmode_imm12 rather than just an input
1483 // GPR and a constrained immediate so that we can use this to match
1484 // frame index references and avoid matching constant pool references.
1485 def i12: AI2ldst<0b010, 1, isByte, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
1486 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
1487 [(set GPR:$Rt, (opnode addrmode_imm12:$addr))]> {
1490 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1491 let Inst{19-16} = addr{16-13}; // Rn
1492 let Inst{15-12} = Rt;
1493 let Inst{11-0} = addr{11-0}; // imm12
1495 def rs : AI2ldst<0b011, 1, isByte, (outs GPR:$Rt), (ins ldst_so_reg:$shift),
1496 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
1497 [(set GPR:$Rt, (opnode ldst_so_reg:$shift))]> {
1500 let shift{4} = 0; // Inst{4} = 0
1501 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1502 let Inst{19-16} = shift{16-13}; // Rn
1503 let Inst{15-12} = Rt;
1504 let Inst{11-0} = shift{11-0};
1509 let canFoldAsLoad = 1, isReMaterializable = 1 in {
1510 multiclass AI_ldr1nopc<bit isByte, string opc, InstrItinClass iii,
1511 InstrItinClass iir, PatFrag opnode> {
1512 // Note: We use the complex addrmode_imm12 rather than just an input
1513 // GPR and a constrained immediate so that we can use this to match
1514 // frame index references and avoid matching constant pool references.
1515 def i12: AI2ldst<0b010, 1, isByte, (outs GPRnopc:$Rt),
1516 (ins addrmode_imm12:$addr),
1517 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
1518 [(set GPRnopc:$Rt, (opnode addrmode_imm12:$addr))]> {
1521 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1522 let Inst{19-16} = addr{16-13}; // Rn
1523 let Inst{15-12} = Rt;
1524 let Inst{11-0} = addr{11-0}; // imm12
1526 def rs : AI2ldst<0b011, 1, isByte, (outs GPRnopc:$Rt),
1527 (ins ldst_so_reg:$shift),
1528 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
1529 [(set GPRnopc:$Rt, (opnode ldst_so_reg:$shift))]> {
1532 let shift{4} = 0; // Inst{4} = 0
1533 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1534 let Inst{19-16} = shift{16-13}; // Rn
1535 let Inst{15-12} = Rt;
1536 let Inst{11-0} = shift{11-0};
1542 multiclass AI_str1<bit isByte, string opc, InstrItinClass iii,
1543 InstrItinClass iir, PatFrag opnode> {
1544 // Note: We use the complex addrmode_imm12 rather than just an input
1545 // GPR and a constrained immediate so that we can use this to match
1546 // frame index references and avoid matching constant pool references.
1547 def i12 : AI2ldst<0b010, 0, isByte, (outs),
1548 (ins GPR:$Rt, addrmode_imm12:$addr),
1549 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
1550 [(opnode GPR:$Rt, addrmode_imm12:$addr)]> {
1553 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1554 let Inst{19-16} = addr{16-13}; // Rn
1555 let Inst{15-12} = Rt;
1556 let Inst{11-0} = addr{11-0}; // imm12
1558 def rs : AI2ldst<0b011, 0, isByte, (outs), (ins GPR:$Rt, ldst_so_reg:$shift),
1559 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
1560 [(opnode GPR:$Rt, ldst_so_reg:$shift)]> {
1563 let shift{4} = 0; // Inst{4} = 0
1564 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1565 let Inst{19-16} = shift{16-13}; // Rn
1566 let Inst{15-12} = Rt;
1567 let Inst{11-0} = shift{11-0};
1571 multiclass AI_str1nopc<bit isByte, string opc, InstrItinClass iii,
1572 InstrItinClass iir, PatFrag opnode> {
1573 // Note: We use the complex addrmode_imm12 rather than just an input
1574 // GPR and a constrained immediate so that we can use this to match
1575 // frame index references and avoid matching constant pool references.
1576 def i12 : AI2ldst<0b010, 0, isByte, (outs),
1577 (ins GPRnopc:$Rt, addrmode_imm12:$addr),
1578 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
1579 [(opnode GPRnopc:$Rt, addrmode_imm12:$addr)]> {
1582 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1583 let Inst{19-16} = addr{16-13}; // Rn
1584 let Inst{15-12} = Rt;
1585 let Inst{11-0} = addr{11-0}; // imm12
1587 def rs : AI2ldst<0b011, 0, isByte, (outs),
1588 (ins GPRnopc:$Rt, ldst_so_reg:$shift),
1589 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
1590 [(opnode GPRnopc:$Rt, ldst_so_reg:$shift)]> {
1593 let shift{4} = 0; // Inst{4} = 0
1594 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1595 let Inst{19-16} = shift{16-13}; // Rn
1596 let Inst{15-12} = Rt;
1597 let Inst{11-0} = shift{11-0};
1602 //===----------------------------------------------------------------------===//
1604 //===----------------------------------------------------------------------===//
1606 //===----------------------------------------------------------------------===//
1607 // Miscellaneous Instructions.
1610 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
1611 /// the function. The first operand is the ID# for this instruction, the second
1612 /// is the index into the MachineConstantPool that this is, the third is the
1613 /// size in bytes of this constant pool entry.
1614 let neverHasSideEffects = 1, isNotDuplicable = 1 in
1615 def CONSTPOOL_ENTRY :
1616 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
1617 i32imm:$size), NoItinerary, []>;
1619 // FIXME: Marking these as hasSideEffects is necessary to prevent machine DCE
1620 // from removing one half of the matched pairs. That breaks PEI, which assumes
1621 // these will always be in pairs, and asserts if it finds otherwise. Better way?
1622 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
1623 def ADJCALLSTACKUP :
1624 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary,
1625 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
1627 def ADJCALLSTACKDOWN :
1628 PseudoInst<(outs), (ins i32imm:$amt, pred:$p), NoItinerary,
1629 [(ARMcallseq_start timm:$amt)]>;
1632 // Atomic pseudo-insts which will be lowered to ldrexd/strexd loops.
1633 // (These pseudos use a hand-written selection code).
1634 let usesCustomInserter = 1, Defs = [CPSR], mayLoad = 1, mayStore = 1 in {
1635 def ATOMOR6432 : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
1636 (ins GPR:$addr, GPR:$src1, GPR:$src2),
1638 def ATOMXOR6432 : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
1639 (ins GPR:$addr, GPR:$src1, GPR:$src2),
1641 def ATOMADD6432 : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
1642 (ins GPR:$addr, GPR:$src1, GPR:$src2),
1644 def ATOMSUB6432 : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
1645 (ins GPR:$addr, GPR:$src1, GPR:$src2),
1647 def ATOMNAND6432 : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
1648 (ins GPR:$addr, GPR:$src1, GPR:$src2),
1650 def ATOMAND6432 : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
1651 (ins GPR:$addr, GPR:$src1, GPR:$src2),
1653 def ATOMSWAP6432 : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
1654 (ins GPR:$addr, GPR:$src1, GPR:$src2),
1656 def ATOMCMPXCHG6432 : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
1657 (ins GPR:$addr, GPR:$cmp1, GPR:$cmp2,
1658 GPR:$set1, GPR:$set2),
1660 def ATOMMIN6432 : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
1661 (ins GPR:$addr, GPR:$src1, GPR:$src2),
1663 def ATOMUMIN6432 : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
1664 (ins GPR:$addr, GPR:$src1, GPR:$src2),
1666 def ATOMMAX6432 : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
1667 (ins GPR:$addr, GPR:$src1, GPR:$src2),
1669 def ATOMUMAX6432 : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
1670 (ins GPR:$addr, GPR:$src1, GPR:$src2),
1674 def HINT : AI<(outs), (ins imm0_255:$imm), MiscFrm, NoItinerary,
1675 "hint", "\t$imm", []>, Requires<[IsARM, HasV6]> {
1677 let Inst{27-8} = 0b00110010000011110000;
1678 let Inst{7-0} = imm;
1681 def : InstAlias<"nop$p", (HINT 0, pred:$p)>, Requires<[IsARM, HasV6T2]>;
1682 def : InstAlias<"yield$p", (HINT 1, pred:$p)>, Requires<[IsARM, HasV6T2]>;
1683 def : InstAlias<"wfe$p", (HINT 2, pred:$p)>, Requires<[IsARM, HasV6T2]>;
1684 def : InstAlias<"wfi$p", (HINT 3, pred:$p)>, Requires<[IsARM, HasV6T2]>;
1685 def : InstAlias<"sev$p", (HINT 4, pred:$p)>, Requires<[IsARM, HasV6T2]>;
1687 def SEL : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm, NoItinerary, "sel",
1688 "\t$Rd, $Rn, $Rm", []>, Requires<[IsARM, HasV6]> {
1693 let Inst{15-12} = Rd;
1694 let Inst{19-16} = Rn;
1695 let Inst{27-20} = 0b01101000;
1696 let Inst{7-4} = 0b1011;
1697 let Inst{11-8} = 0b1111;
1698 let Unpredictable{11-8} = 0b1111;
1701 // The 16-bit operand $val can be used by a debugger to store more information
1702 // about the breakpoint.
1703 def BKPT : AI<(outs), (ins imm0_65535:$val), MiscFrm, NoItinerary,
1704 "bkpt", "\t$val", []>, Requires<[IsARM]> {
1706 let Inst{3-0} = val{3-0};
1707 let Inst{19-8} = val{15-4};
1708 let Inst{27-20} = 0b00010010;
1709 let Inst{7-4} = 0b0111;
1712 // Change Processor State
1713 // FIXME: We should use InstAlias to handle the optional operands.
1714 class CPS<dag iops, string asm_ops>
1715 : AXI<(outs), iops, MiscFrm, NoItinerary, !strconcat("cps", asm_ops),
1716 []>, Requires<[IsARM]> {
1722 let Inst{31-28} = 0b1111;
1723 let Inst{27-20} = 0b00010000;
1724 let Inst{19-18} = imod;
1725 let Inst{17} = M; // Enabled if mode is set;
1726 let Inst{16-9} = 0b00000000;
1727 let Inst{8-6} = iflags;
1729 let Inst{4-0} = mode;
1732 let DecoderMethod = "DecodeCPSInstruction" in {
1734 def CPS3p : CPS<(ins imod_op:$imod, iflags_op:$iflags, imm0_31:$mode),
1735 "$imod\t$iflags, $mode">;
1736 let mode = 0, M = 0 in
1737 def CPS2p : CPS<(ins imod_op:$imod, iflags_op:$iflags), "$imod\t$iflags">;
1739 let imod = 0, iflags = 0, M = 1 in
1740 def CPS1p : CPS<(ins imm0_31:$mode), "\t$mode">;
1743 // Preload signals the memory system of possible future data/instruction access.
1744 multiclass APreLoad<bits<1> read, bits<1> data, string opc> {
1746 def i12 : AXI<(outs), (ins addrmode_imm12:$addr), MiscFrm, IIC_Preload,
1747 !strconcat(opc, "\t$addr"),
1748 [(ARMPreload addrmode_imm12:$addr, (i32 read), (i32 data))]> {
1751 let Inst{31-26} = 0b111101;
1752 let Inst{25} = 0; // 0 for immediate form
1753 let Inst{24} = data;
1754 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1755 let Inst{22} = read;
1756 let Inst{21-20} = 0b01;
1757 let Inst{19-16} = addr{16-13}; // Rn
1758 let Inst{15-12} = 0b1111;
1759 let Inst{11-0} = addr{11-0}; // imm12
1762 def rs : AXI<(outs), (ins ldst_so_reg:$shift), MiscFrm, IIC_Preload,
1763 !strconcat(opc, "\t$shift"),
1764 [(ARMPreload ldst_so_reg:$shift, (i32 read), (i32 data))]> {
1766 let Inst{31-26} = 0b111101;
1767 let Inst{25} = 1; // 1 for register form
1768 let Inst{24} = data;
1769 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1770 let Inst{22} = read;
1771 let Inst{21-20} = 0b01;
1772 let Inst{19-16} = shift{16-13}; // Rn
1773 let Inst{15-12} = 0b1111;
1774 let Inst{11-0} = shift{11-0};
1779 defm PLD : APreLoad<1, 1, "pld">, Requires<[IsARM]>;
1780 defm PLDW : APreLoad<0, 1, "pldw">, Requires<[IsARM,HasV7,HasMP]>;
1781 defm PLI : APreLoad<1, 0, "pli">, Requires<[IsARM,HasV7]>;
1783 def SETEND : AXI<(outs), (ins setend_op:$end), MiscFrm, NoItinerary,
1784 "setend\t$end", []>, Requires<[IsARM]> {
1786 let Inst{31-10} = 0b1111000100000001000000;
1791 def DBG : AI<(outs), (ins imm0_15:$opt), MiscFrm, NoItinerary, "dbg", "\t$opt",
1792 []>, Requires<[IsARM, HasV7]> {
1794 let Inst{27-4} = 0b001100100000111100001111;
1795 let Inst{3-0} = opt;
1799 * A5.4 Permanently UNDEFINED instructions.
1801 * For most targets use UDF #65006, for which the OS will generate SIGTRAP.
1802 * Other UDF encodings generate SIGILL.
1804 * NaCl's OS instead chooses an ARM UDF encoding that's also a UDF in Thumb.
1806 * 1110 0111 1111 iiii iiii iiii 1111 iiii
1808 * 1101 1110 iiii iiii
1809 * It uses the following encoding:
1810 * 1110 0111 1111 1110 1101 1110 1111 0000
1811 * - In ARM: UDF #60896;
1812 * - In Thumb: UDF #254 followed by a branch-to-self.
1814 let isBarrier = 1, isTerminator = 1 in
1815 def TRAPNaCl : AXI<(outs), (ins), MiscFrm, NoItinerary,
1817 Requires<[IsARM,UseNaClTrap]> {
1818 let Inst = 0xe7fedef0;
1820 let isBarrier = 1, isTerminator = 1 in
1821 def TRAP : AXI<(outs), (ins), MiscFrm, NoItinerary,
1823 Requires<[IsARM,DontUseNaClTrap]> {
1824 let Inst = 0xe7ffdefe;
1827 // Address computation and loads and stores in PIC mode.
1828 let isNotDuplicable = 1 in {
1829 def PICADD : ARMPseudoInst<(outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
1831 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
1833 let AddedComplexity = 10 in {
1834 def PICLDR : ARMPseudoInst<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
1836 [(set GPR:$dst, (load addrmodepc:$addr))]>;
1838 def PICLDRH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1840 [(set GPR:$Rt, (zextloadi16 addrmodepc:$addr))]>;
1842 def PICLDRB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1844 [(set GPR:$Rt, (zextloadi8 addrmodepc:$addr))]>;
1846 def PICLDRSH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1848 [(set GPR:$Rt, (sextloadi16 addrmodepc:$addr))]>;
1850 def PICLDRSB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1852 [(set GPR:$Rt, (sextloadi8 addrmodepc:$addr))]>;
1854 let AddedComplexity = 10 in {
1855 def PICSTR : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1856 4, IIC_iStore_r, [(store GPR:$src, addrmodepc:$addr)]>;
1858 def PICSTRH : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1859 4, IIC_iStore_bh_r, [(truncstorei16 GPR:$src,
1860 addrmodepc:$addr)]>;
1862 def PICSTRB : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1863 4, IIC_iStore_bh_r, [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
1865 } // isNotDuplicable = 1
1868 // LEApcrel - Load a pc-relative address into a register without offending the
1870 let neverHasSideEffects = 1, isReMaterializable = 1 in
1871 // The 'adr' mnemonic encodes differently if the label is before or after
1872 // the instruction. The {24-21} opcode bits are set by the fixup, as we don't
1873 // know until then which form of the instruction will be used.
1874 def ADR : AI1<{0,?,?,0}, (outs GPR:$Rd), (ins adrlabel:$label),
1875 MiscFrm, IIC_iALUi, "adr", "\t$Rd, $label", []>,
1876 Sched<[WriteALU, ReadALU]> {
1879 let Inst{27-25} = 0b001;
1881 let Inst{23-22} = label{13-12};
1884 let Inst{19-16} = 0b1111;
1885 let Inst{15-12} = Rd;
1886 let Inst{11-0} = label{11-0};
1889 let hasSideEffects = 1 in {
1890 def LEApcrel : ARMPseudoInst<(outs GPR:$Rd), (ins i32imm:$label, pred:$p),
1893 def LEApcrelJT : ARMPseudoInst<(outs GPR:$Rd),
1894 (ins i32imm:$label, nohash_imm:$id, pred:$p),
1898 //===----------------------------------------------------------------------===//
1899 // Control Flow Instructions.
1902 let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
1904 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1905 "bx", "\tlr", [(ARMretflag)]>,
1906 Requires<[IsARM, HasV4T]> {
1907 let Inst{27-0} = 0b0001001011111111111100011110;
1911 def MOVPCLR : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1912 "mov", "\tpc, lr", [(ARMretflag)]>,
1913 Requires<[IsARM, NoV4T]> {
1914 let Inst{27-0} = 0b0001101000001111000000001110;
1918 // Indirect branches
1919 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
1921 def BX : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
1922 [(brind GPR:$dst)]>,
1923 Requires<[IsARM, HasV4T]> {
1925 let Inst{31-4} = 0b1110000100101111111111110001;
1926 let Inst{3-0} = dst;
1929 def BX_pred : AI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br,
1930 "bx", "\t$dst", [/* pattern left blank */]>,
1931 Requires<[IsARM, HasV4T]> {
1933 let Inst{27-4} = 0b000100101111111111110001;
1934 let Inst{3-0} = dst;
1938 // SP is marked as a use to prevent stack-pointer assignments that appear
1939 // immediately before calls from potentially appearing dead.
1941 // FIXME: Do we really need a non-predicated version? If so, it should
1942 // at least be a pseudo instruction expanding to the predicated version
1943 // at MC lowering time.
1944 Defs = [LR], Uses = [SP] in {
1945 def BL : ABXI<0b1011, (outs), (ins bl_target:$func),
1946 IIC_Br, "bl\t$func",
1947 [(ARMcall tglobaladdr:$func)]>,
1949 let Inst{31-28} = 0b1110;
1951 let Inst{23-0} = func;
1952 let DecoderMethod = "DecodeBranchImmInstruction";
1955 def BL_pred : ABI<0b1011, (outs), (ins bl_target:$func),
1956 IIC_Br, "bl", "\t$func",
1957 [(ARMcall_pred tglobaladdr:$func)]>,
1960 let Inst{23-0} = func;
1961 let DecoderMethod = "DecodeBranchImmInstruction";
1965 def BLX : AXI<(outs), (ins GPR:$func), BrMiscFrm,
1966 IIC_Br, "blx\t$func",
1967 [(ARMcall GPR:$func)]>,
1968 Requires<[IsARM, HasV5T]> {
1970 let Inst{31-4} = 0b1110000100101111111111110011;
1971 let Inst{3-0} = func;
1974 def BLX_pred : AI<(outs), (ins GPR:$func), BrMiscFrm,
1975 IIC_Br, "blx", "\t$func",
1976 [(ARMcall_pred GPR:$func)]>,
1977 Requires<[IsARM, HasV5T]> {
1979 let Inst{27-4} = 0b000100101111111111110011;
1980 let Inst{3-0} = func;
1984 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1985 def BX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func),
1986 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1987 Requires<[IsARM, HasV4T]>;
1990 def BMOVPCRX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func),
1991 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1992 Requires<[IsARM, NoV4T]>;
1994 // mov lr, pc; b if callee is marked noreturn to avoid confusing the
1995 // return stack predictor.
1996 def BMOVPCB_CALL : ARMPseudoInst<(outs), (ins bl_target:$func),
1997 8, IIC_Br, [(ARMcall_nolink tglobaladdr:$func)]>,
2001 let isBranch = 1, isTerminator = 1 in {
2002 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
2003 // a two-value operand where a dag node expects two operands. :(
2004 def Bcc : ABI<0b1010, (outs), (ins br_target:$target),
2005 IIC_Br, "b", "\t$target",
2006 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]> {
2008 let Inst{23-0} = target;
2009 let DecoderMethod = "DecodeBranchImmInstruction";
2012 let isBarrier = 1 in {
2013 // B is "predicable" since it's just a Bcc with an 'always' condition.
2014 let isPredicable = 1 in
2015 // FIXME: We shouldn't need this pseudo at all. Just using Bcc directly
2016 // should be sufficient.
2017 // FIXME: Is B really a Barrier? That doesn't seem right.
2018 def B : ARMPseudoExpand<(outs), (ins br_target:$target), 4, IIC_Br,
2019 [(br bb:$target)], (Bcc br_target:$target, (ops 14, zero_reg))>;
2021 let isNotDuplicable = 1, isIndirectBranch = 1 in {
2022 def BR_JTr : ARMPseudoInst<(outs),
2023 (ins GPR:$target, i32imm:$jt, i32imm:$id),
2025 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]>;
2026 // FIXME: This shouldn't use the generic "addrmode2," but rather be split
2027 // into i12 and rs suffixed versions.
2028 def BR_JTm : ARMPseudoInst<(outs),
2029 (ins addrmode2:$target, i32imm:$jt, i32imm:$id),
2031 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
2033 def BR_JTadd : ARMPseudoInst<(outs),
2034 (ins GPR:$target, GPR:$idx, i32imm:$jt, i32imm:$id),
2036 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
2038 } // isNotDuplicable = 1, isIndirectBranch = 1
2044 def BLXi : AXI<(outs), (ins blx_target:$target), BrMiscFrm, NoItinerary,
2045 "blx\t$target", []>,
2046 Requires<[IsARM, HasV5T]> {
2047 let Inst{31-25} = 0b1111101;
2049 let Inst{23-0} = target{24-1};
2050 let Inst{24} = target{0};
2053 // Branch and Exchange Jazelle
2054 def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
2055 [/* pattern left blank */]> {
2057 let Inst{23-20} = 0b0010;
2058 let Inst{19-8} = 0xfff;
2059 let Inst{7-4} = 0b0010;
2060 let Inst{3-0} = func;
2065 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, Uses = [SP] in {
2066 def TCRETURNdi : PseudoInst<(outs), (ins i32imm:$dst), IIC_Br, []>;
2068 def TCRETURNri : PseudoInst<(outs), (ins tcGPR:$dst), IIC_Br, []>;
2070 def TAILJMPd : ARMPseudoExpand<(outs), (ins br_target:$dst),
2072 (Bcc br_target:$dst, (ops 14, zero_reg))>,
2075 def TAILJMPr : ARMPseudoExpand<(outs), (ins tcGPR:$dst),
2081 // Secure Monitor Call is a system instruction.
2082 def SMC : ABI<0b0001, (outs), (ins imm0_15:$opt), NoItinerary, "smc", "\t$opt",
2083 []>, Requires<[IsARM, HasTrustZone]> {
2085 let Inst{23-4} = 0b01100000000000000111;
2086 let Inst{3-0} = opt;
2089 // Supervisor Call (Software Interrupt)
2090 let isCall = 1, Uses = [SP] in {
2091 def SVC : ABI<0b1111, (outs), (ins imm24b:$svc), IIC_Br, "svc", "\t$svc", []> {
2093 let Inst{23-0} = svc;
2097 // Store Return State
2098 class SRSI<bit wb, string asm>
2099 : XI<(outs), (ins imm0_31:$mode), AddrModeNone, 4, IndexModeNone, BrFrm,
2100 NoItinerary, asm, "", []> {
2102 let Inst{31-28} = 0b1111;
2103 let Inst{27-25} = 0b100;
2107 let Inst{19-16} = 0b1101; // SP
2108 let Inst{15-5} = 0b00000101000;
2109 let Inst{4-0} = mode;
2112 def SRSDA : SRSI<0, "srsda\tsp, $mode"> {
2113 let Inst{24-23} = 0;
2115 def SRSDA_UPD : SRSI<1, "srsda\tsp!, $mode"> {
2116 let Inst{24-23} = 0;
2118 def SRSDB : SRSI<0, "srsdb\tsp, $mode"> {
2119 let Inst{24-23} = 0b10;
2121 def SRSDB_UPD : SRSI<1, "srsdb\tsp!, $mode"> {
2122 let Inst{24-23} = 0b10;
2124 def SRSIA : SRSI<0, "srsia\tsp, $mode"> {
2125 let Inst{24-23} = 0b01;
2127 def SRSIA_UPD : SRSI<1, "srsia\tsp!, $mode"> {
2128 let Inst{24-23} = 0b01;
2130 def SRSIB : SRSI<0, "srsib\tsp, $mode"> {
2131 let Inst{24-23} = 0b11;
2133 def SRSIB_UPD : SRSI<1, "srsib\tsp!, $mode"> {
2134 let Inst{24-23} = 0b11;
2137 def : ARMInstAlias<"srsda $mode", (SRSDA imm0_31:$mode)>;
2138 def : ARMInstAlias<"srsda $mode!", (SRSDA_UPD imm0_31:$mode)>;
2140 def : ARMInstAlias<"srsdb $mode", (SRSDB imm0_31:$mode)>;
2141 def : ARMInstAlias<"srsdb $mode!", (SRSDB_UPD imm0_31:$mode)>;
2143 def : ARMInstAlias<"srsia $mode", (SRSIA imm0_31:$mode)>;
2144 def : ARMInstAlias<"srsia $mode!", (SRSIA_UPD imm0_31:$mode)>;
2146 def : ARMInstAlias<"srsib $mode", (SRSIB imm0_31:$mode)>;
2147 def : ARMInstAlias<"srsib $mode!", (SRSIB_UPD imm0_31:$mode)>;
2149 // Return From Exception
2150 class RFEI<bit wb, string asm>
2151 : XI<(outs), (ins GPR:$Rn), AddrModeNone, 4, IndexModeNone, BrFrm,
2152 NoItinerary, asm, "", []> {
2154 let Inst{31-28} = 0b1111;
2155 let Inst{27-25} = 0b100;
2159 let Inst{19-16} = Rn;
2160 let Inst{15-0} = 0xa00;
2163 def RFEDA : RFEI<0, "rfeda\t$Rn"> {
2164 let Inst{24-23} = 0;
2166 def RFEDA_UPD : RFEI<1, "rfeda\t$Rn!"> {
2167 let Inst{24-23} = 0;
2169 def RFEDB : RFEI<0, "rfedb\t$Rn"> {
2170 let Inst{24-23} = 0b10;
2172 def RFEDB_UPD : RFEI<1, "rfedb\t$Rn!"> {
2173 let Inst{24-23} = 0b10;
2175 def RFEIA : RFEI<0, "rfeia\t$Rn"> {
2176 let Inst{24-23} = 0b01;
2178 def RFEIA_UPD : RFEI<1, "rfeia\t$Rn!"> {
2179 let Inst{24-23} = 0b01;
2181 def RFEIB : RFEI<0, "rfeib\t$Rn"> {
2182 let Inst{24-23} = 0b11;
2184 def RFEIB_UPD : RFEI<1, "rfeib\t$Rn!"> {
2185 let Inst{24-23} = 0b11;
2188 //===----------------------------------------------------------------------===//
2189 // Load / Store Instructions.
2195 defm LDR : AI_ldr1<0, "ldr", IIC_iLoad_r, IIC_iLoad_si,
2196 UnOpFrag<(load node:$Src)>>;
2197 defm LDRB : AI_ldr1nopc<1, "ldrb", IIC_iLoad_bh_r, IIC_iLoad_bh_si,
2198 UnOpFrag<(zextloadi8 node:$Src)>>;
2199 defm STR : AI_str1<0, "str", IIC_iStore_r, IIC_iStore_si,
2200 BinOpFrag<(store node:$LHS, node:$RHS)>>;
2201 defm STRB : AI_str1nopc<1, "strb", IIC_iStore_bh_r, IIC_iStore_bh_si,
2202 BinOpFrag<(truncstorei8 node:$LHS, node:$RHS)>>;
2204 // Special LDR for loads from non-pc-relative constpools.
2205 let canFoldAsLoad = 1, mayLoad = 1, neverHasSideEffects = 1,
2206 isReMaterializable = 1, isCodeGenOnly = 1 in
2207 def LDRcp : AI2ldst<0b010, 1, 0, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
2208 AddrMode_i12, LdFrm, IIC_iLoad_r, "ldr", "\t$Rt, $addr",
2212 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2213 let Inst{19-16} = 0b1111;
2214 let Inst{15-12} = Rt;
2215 let Inst{11-0} = addr{11-0}; // imm12
2218 // Loads with zero extension
2219 def LDRH : AI3ld<0b1011, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
2220 IIC_iLoad_bh_r, "ldrh", "\t$Rt, $addr",
2221 [(set GPR:$Rt, (zextloadi16 addrmode3:$addr))]>;
2223 // Loads with sign extension
2224 def LDRSH : AI3ld<0b1111, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
2225 IIC_iLoad_bh_r, "ldrsh", "\t$Rt, $addr",
2226 [(set GPR:$Rt, (sextloadi16 addrmode3:$addr))]>;
2228 def LDRSB : AI3ld<0b1101, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
2229 IIC_iLoad_bh_r, "ldrsb", "\t$Rt, $addr",
2230 [(set GPR:$Rt, (sextloadi8 addrmode3:$addr))]>;
2232 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1 in {
2234 def LDRD : AI3ld<0b1101, 0, (outs GPR:$Rd, GPR:$dst2),
2235 (ins addrmode3:$addr), LdMiscFrm,
2236 IIC_iLoad_d_r, "ldrd", "\t$Rd, $dst2, $addr",
2237 []>, Requires<[IsARM, HasV5TE]>;
2241 multiclass AI2_ldridx<bit isByte, string opc,
2242 InstrItinClass iii, InstrItinClass iir> {
2243 def _PRE_IMM : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb),
2244 (ins addrmode_imm12:$addr), IndexModePre, LdFrm, iii,
2245 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2248 let Inst{23} = addr{12};
2249 let Inst{19-16} = addr{16-13};
2250 let Inst{11-0} = addr{11-0};
2251 let DecoderMethod = "DecodeLDRPreImm";
2252 let AsmMatchConverter = "cvtLdWriteBackRegAddrModeImm12";
2255 def _PRE_REG : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb),
2256 (ins ldst_so_reg:$addr), IndexModePre, LdFrm, iir,
2257 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2260 let Inst{23} = addr{12};
2261 let Inst{19-16} = addr{16-13};
2262 let Inst{11-0} = addr{11-0};
2264 let DecoderMethod = "DecodeLDRPreReg";
2265 let AsmMatchConverter = "cvtLdWriteBackRegAddrMode2";
2268 def _POST_REG : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2269 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2270 IndexModePost, LdFrm, iir,
2271 opc, "\t$Rt, $addr, $offset",
2272 "$addr.base = $Rn_wb", []> {
2278 let Inst{23} = offset{12};
2279 let Inst{19-16} = addr;
2280 let Inst{11-0} = offset{11-0};
2282 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2285 def _POST_IMM : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2286 (ins addr_offset_none:$addr, am2offset_imm:$offset),
2287 IndexModePost, LdFrm, iii,
2288 opc, "\t$Rt, $addr, $offset",
2289 "$addr.base = $Rn_wb", []> {
2295 let Inst{23} = offset{12};
2296 let Inst{19-16} = addr;
2297 let Inst{11-0} = offset{11-0};
2299 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2304 let mayLoad = 1, neverHasSideEffects = 1 in {
2305 // FIXME: for LDR_PRE_REG etc. the itineray should be either IIC_iLoad_ru or
2306 // IIC_iLoad_siu depending on whether it the offset register is shifted.
2307 defm LDR : AI2_ldridx<0, "ldr", IIC_iLoad_iu, IIC_iLoad_ru>;
2308 defm LDRB : AI2_ldridx<1, "ldrb", IIC_iLoad_bh_iu, IIC_iLoad_bh_ru>;
2311 multiclass AI3_ldridx<bits<4> op, string opc, InstrItinClass itin> {
2312 def _PRE : AI3ldstidx<op, 1, 1, (outs GPR:$Rt, GPR:$Rn_wb),
2313 (ins addrmode3:$addr), IndexModePre,
2315 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2317 let Inst{23} = addr{8}; // U bit
2318 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2319 let Inst{19-16} = addr{12-9}; // Rn
2320 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2321 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2322 let AsmMatchConverter = "cvtLdWriteBackRegAddrMode3";
2323 let DecoderMethod = "DecodeAddrMode3Instruction";
2325 def _POST : AI3ldstidx<op, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2326 (ins addr_offset_none:$addr, am3offset:$offset),
2327 IndexModePost, LdMiscFrm, itin,
2328 opc, "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb",
2332 let Inst{23} = offset{8}; // U bit
2333 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2334 let Inst{19-16} = addr;
2335 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2336 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2337 let DecoderMethod = "DecodeAddrMode3Instruction";
2341 let mayLoad = 1, neverHasSideEffects = 1 in {
2342 defm LDRH : AI3_ldridx<0b1011, "ldrh", IIC_iLoad_bh_ru>;
2343 defm LDRSH : AI3_ldridx<0b1111, "ldrsh", IIC_iLoad_bh_ru>;
2344 defm LDRSB : AI3_ldridx<0b1101, "ldrsb", IIC_iLoad_bh_ru>;
2345 let hasExtraDefRegAllocReq = 1 in {
2346 def LDRD_PRE : AI3ldstidx<0b1101, 0, 1, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
2347 (ins addrmode3:$addr), IndexModePre,
2348 LdMiscFrm, IIC_iLoad_d_ru,
2349 "ldrd", "\t$Rt, $Rt2, $addr!",
2350 "$addr.base = $Rn_wb", []> {
2352 let Inst{23} = addr{8}; // U bit
2353 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2354 let Inst{19-16} = addr{12-9}; // Rn
2355 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2356 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2357 let DecoderMethod = "DecodeAddrMode3Instruction";
2358 let AsmMatchConverter = "cvtLdrdPre";
2360 def LDRD_POST: AI3ldstidx<0b1101, 0, 0, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
2361 (ins addr_offset_none:$addr, am3offset:$offset),
2362 IndexModePost, LdMiscFrm, IIC_iLoad_d_ru,
2363 "ldrd", "\t$Rt, $Rt2, $addr, $offset",
2364 "$addr.base = $Rn_wb", []> {
2367 let Inst{23} = offset{8}; // U bit
2368 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2369 let Inst{19-16} = addr;
2370 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2371 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2372 let DecoderMethod = "DecodeAddrMode3Instruction";
2374 } // hasExtraDefRegAllocReq = 1
2375 } // mayLoad = 1, neverHasSideEffects = 1
2377 // LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT.
2378 let mayLoad = 1, neverHasSideEffects = 1 in {
2379 def LDRT_POST_REG : AI2ldstidx<1, 0, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2380 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2381 IndexModePost, LdFrm, IIC_iLoad_ru,
2382 "ldrt", "\t$Rt, $addr, $offset",
2383 "$addr.base = $Rn_wb", []> {
2389 let Inst{23} = offset{12};
2390 let Inst{21} = 1; // overwrite
2391 let Inst{19-16} = addr;
2392 let Inst{11-5} = offset{11-5};
2394 let Inst{3-0} = offset{3-0};
2395 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2398 def LDRT_POST_IMM : AI2ldstidx<1, 0, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2399 (ins addr_offset_none:$addr, am2offset_imm:$offset),
2400 IndexModePost, LdFrm, IIC_iLoad_ru,
2401 "ldrt", "\t$Rt, $addr, $offset",
2402 "$addr.base = $Rn_wb", []> {
2408 let Inst{23} = offset{12};
2409 let Inst{21} = 1; // overwrite
2410 let Inst{19-16} = addr;
2411 let Inst{11-0} = offset{11-0};
2412 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2415 def LDRBT_POST_REG : AI2ldstidx<1, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2416 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2417 IndexModePost, LdFrm, IIC_iLoad_bh_ru,
2418 "ldrbt", "\t$Rt, $addr, $offset",
2419 "$addr.base = $Rn_wb", []> {
2425 let Inst{23} = offset{12};
2426 let Inst{21} = 1; // overwrite
2427 let Inst{19-16} = addr;
2428 let Inst{11-5} = offset{11-5};
2430 let Inst{3-0} = offset{3-0};
2431 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2434 def LDRBT_POST_IMM : AI2ldstidx<1, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2435 (ins addr_offset_none:$addr, am2offset_imm:$offset),
2436 IndexModePost, LdFrm, IIC_iLoad_bh_ru,
2437 "ldrbt", "\t$Rt, $addr, $offset",
2438 "$addr.base = $Rn_wb", []> {
2444 let Inst{23} = offset{12};
2445 let Inst{21} = 1; // overwrite
2446 let Inst{19-16} = addr;
2447 let Inst{11-0} = offset{11-0};
2448 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2451 multiclass AI3ldrT<bits<4> op, string opc> {
2452 def i : AI3ldstidxT<op, 1, (outs GPR:$Rt, GPR:$base_wb),
2453 (ins addr_offset_none:$addr, postidx_imm8:$offset),
2454 IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru, opc,
2455 "\t$Rt, $addr, $offset", "$addr.base = $base_wb", []> {
2457 let Inst{23} = offset{8};
2459 let Inst{11-8} = offset{7-4};
2460 let Inst{3-0} = offset{3-0};
2461 let AsmMatchConverter = "cvtLdExtTWriteBackImm";
2463 def r : AI3ldstidxT<op, 1, (outs GPRnopc:$Rt, GPRnopc:$base_wb),
2464 (ins addr_offset_none:$addr, postidx_reg:$Rm),
2465 IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru, opc,
2466 "\t$Rt, $addr, $Rm", "$addr.base = $base_wb", []> {
2468 let Inst{23} = Rm{4};
2471 let Unpredictable{11-8} = 0b1111;
2472 let Inst{3-0} = Rm{3-0};
2473 let AsmMatchConverter = "cvtLdExtTWriteBackReg";
2474 let DecoderMethod = "DecodeLDR";
2478 defm LDRSBT : AI3ldrT<0b1101, "ldrsbt">;
2479 defm LDRHT : AI3ldrT<0b1011, "ldrht">;
2480 defm LDRSHT : AI3ldrT<0b1111, "ldrsht">;
2485 // Stores with truncate
2486 def STRH : AI3str<0b1011, (outs), (ins GPR:$Rt, addrmode3:$addr), StMiscFrm,
2487 IIC_iStore_bh_r, "strh", "\t$Rt, $addr",
2488 [(truncstorei16 GPR:$Rt, addrmode3:$addr)]>;
2491 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in
2492 def STRD : AI3str<0b1111, (outs), (ins GPR:$Rt, GPR:$src2, addrmode3:$addr),
2493 StMiscFrm, IIC_iStore_d_r,
2494 "strd", "\t$Rt, $src2, $addr", []>,
2495 Requires<[IsARM, HasV5TE]> {
2500 multiclass AI2_stridx<bit isByte, string opc,
2501 InstrItinClass iii, InstrItinClass iir> {
2502 def _PRE_IMM : AI2ldstidx<0, isByte, 1, (outs GPR:$Rn_wb),
2503 (ins GPR:$Rt, addrmode_imm12:$addr), IndexModePre,
2505 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2508 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2509 let Inst{19-16} = addr{16-13}; // Rn
2510 let Inst{11-0} = addr{11-0}; // imm12
2511 let AsmMatchConverter = "cvtStWriteBackRegAddrModeImm12";
2512 let DecoderMethod = "DecodeSTRPreImm";
2515 def _PRE_REG : AI2ldstidx<0, isByte, 1, (outs GPR:$Rn_wb),
2516 (ins GPR:$Rt, ldst_so_reg:$addr),
2517 IndexModePre, StFrm, iir,
2518 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2521 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2522 let Inst{19-16} = addr{16-13}; // Rn
2523 let Inst{11-0} = addr{11-0};
2524 let Inst{4} = 0; // Inst{4} = 0
2525 let AsmMatchConverter = "cvtStWriteBackRegAddrMode2";
2526 let DecoderMethod = "DecodeSTRPreReg";
2528 def _POST_REG : AI2ldstidx<0, isByte, 0, (outs GPR:$Rn_wb),
2529 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_reg:$offset),
2530 IndexModePost, StFrm, iir,
2531 opc, "\t$Rt, $addr, $offset",
2532 "$addr.base = $Rn_wb", []> {
2538 let Inst{23} = offset{12};
2539 let Inst{19-16} = addr;
2540 let Inst{11-0} = offset{11-0};
2543 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2546 def _POST_IMM : AI2ldstidx<0, isByte, 0, (outs GPR:$Rn_wb),
2547 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_imm:$offset),
2548 IndexModePost, StFrm, iii,
2549 opc, "\t$Rt, $addr, $offset",
2550 "$addr.base = $Rn_wb", []> {
2556 let Inst{23} = offset{12};
2557 let Inst{19-16} = addr;
2558 let Inst{11-0} = offset{11-0};
2560 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2564 let mayStore = 1, neverHasSideEffects = 1 in {
2565 // FIXME: for STR_PRE_REG etc. the itineray should be either IIC_iStore_ru or
2566 // IIC_iStore_siu depending on whether it the offset register is shifted.
2567 defm STR : AI2_stridx<0, "str", IIC_iStore_iu, IIC_iStore_ru>;
2568 defm STRB : AI2_stridx<1, "strb", IIC_iStore_bh_iu, IIC_iStore_bh_ru>;
2571 def : ARMPat<(post_store GPR:$Rt, addr_offset_none:$addr,
2572 am2offset_reg:$offset),
2573 (STR_POST_REG GPR:$Rt, addr_offset_none:$addr,
2574 am2offset_reg:$offset)>;
2575 def : ARMPat<(post_store GPR:$Rt, addr_offset_none:$addr,
2576 am2offset_imm:$offset),
2577 (STR_POST_IMM GPR:$Rt, addr_offset_none:$addr,
2578 am2offset_imm:$offset)>;
2579 def : ARMPat<(post_truncsti8 GPR:$Rt, addr_offset_none:$addr,
2580 am2offset_reg:$offset),
2581 (STRB_POST_REG GPR:$Rt, addr_offset_none:$addr,
2582 am2offset_reg:$offset)>;
2583 def : ARMPat<(post_truncsti8 GPR:$Rt, addr_offset_none:$addr,
2584 am2offset_imm:$offset),
2585 (STRB_POST_IMM GPR:$Rt, addr_offset_none:$addr,
2586 am2offset_imm:$offset)>;
2588 // Pseudo-instructions for pattern matching the pre-indexed stores. We can't
2589 // put the patterns on the instruction definitions directly as ISel wants
2590 // the address base and offset to be separate operands, not a single
2591 // complex operand like we represent the instructions themselves. The
2592 // pseudos map between the two.
2593 let usesCustomInserter = 1,
2594 Constraints = "$Rn = $Rn_wb,@earlyclobber $Rn_wb" in {
2595 def STRi_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2596 (ins GPR:$Rt, GPR:$Rn, am2offset_imm:$offset, pred:$p),
2599 (pre_store GPR:$Rt, GPR:$Rn, am2offset_imm:$offset))]>;
2600 def STRr_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2601 (ins GPR:$Rt, GPR:$Rn, am2offset_reg:$offset, pred:$p),
2604 (pre_store GPR:$Rt, GPR:$Rn, am2offset_reg:$offset))]>;
2605 def STRBi_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2606 (ins GPR:$Rt, GPR:$Rn, am2offset_imm:$offset, pred:$p),
2609 (pre_truncsti8 GPR:$Rt, GPR:$Rn, am2offset_imm:$offset))]>;
2610 def STRBr_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2611 (ins GPR:$Rt, GPR:$Rn, am2offset_reg:$offset, pred:$p),
2614 (pre_truncsti8 GPR:$Rt, GPR:$Rn, am2offset_reg:$offset))]>;
2615 def STRH_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2616 (ins GPR:$Rt, GPR:$Rn, am3offset:$offset, pred:$p),
2619 (pre_truncsti16 GPR:$Rt, GPR:$Rn, am3offset:$offset))]>;
2624 def STRH_PRE : AI3ldstidx<0b1011, 0, 1, (outs GPR:$Rn_wb),
2625 (ins GPR:$Rt, addrmode3:$addr), IndexModePre,
2626 StMiscFrm, IIC_iStore_bh_ru,
2627 "strh", "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2629 let Inst{23} = addr{8}; // U bit
2630 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2631 let Inst{19-16} = addr{12-9}; // Rn
2632 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2633 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2634 let AsmMatchConverter = "cvtStWriteBackRegAddrMode3";
2635 let DecoderMethod = "DecodeAddrMode3Instruction";
2638 def STRH_POST : AI3ldstidx<0b1011, 0, 0, (outs GPR:$Rn_wb),
2639 (ins GPR:$Rt, addr_offset_none:$addr, am3offset:$offset),
2640 IndexModePost, StMiscFrm, IIC_iStore_bh_ru,
2641 "strh", "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb",
2642 [(set GPR:$Rn_wb, (post_truncsti16 GPR:$Rt,
2643 addr_offset_none:$addr,
2644 am3offset:$offset))]> {
2647 let Inst{23} = offset{8}; // U bit
2648 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2649 let Inst{19-16} = addr;
2650 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2651 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2652 let DecoderMethod = "DecodeAddrMode3Instruction";
2655 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in {
2656 def STRD_PRE : AI3ldstidx<0b1111, 0, 1, (outs GPR:$Rn_wb),
2657 (ins GPR:$Rt, GPR:$Rt2, addrmode3:$addr),
2658 IndexModePre, StMiscFrm, IIC_iStore_d_ru,
2659 "strd", "\t$Rt, $Rt2, $addr!",
2660 "$addr.base = $Rn_wb", []> {
2662 let Inst{23} = addr{8}; // U bit
2663 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2664 let Inst{19-16} = addr{12-9}; // Rn
2665 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2666 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2667 let DecoderMethod = "DecodeAddrMode3Instruction";
2668 let AsmMatchConverter = "cvtStrdPre";
2671 def STRD_POST: AI3ldstidx<0b1111, 0, 0, (outs GPR:$Rn_wb),
2672 (ins GPR:$Rt, GPR:$Rt2, addr_offset_none:$addr,
2674 IndexModePost, StMiscFrm, IIC_iStore_d_ru,
2675 "strd", "\t$Rt, $Rt2, $addr, $offset",
2676 "$addr.base = $Rn_wb", []> {
2679 let Inst{23} = offset{8}; // U bit
2680 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2681 let Inst{19-16} = addr;
2682 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2683 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2684 let DecoderMethod = "DecodeAddrMode3Instruction";
2686 } // mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1
2688 // STRT, STRBT, and STRHT
2690 def STRBT_POST_REG : AI2ldstidx<0, 1, 0, (outs GPR:$Rn_wb),
2691 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_reg:$offset),
2692 IndexModePost, StFrm, IIC_iStore_bh_ru,
2693 "strbt", "\t$Rt, $addr, $offset",
2694 "$addr.base = $Rn_wb", []> {
2700 let Inst{23} = offset{12};
2701 let Inst{21} = 1; // overwrite
2702 let Inst{19-16} = addr;
2703 let Inst{11-5} = offset{11-5};
2705 let Inst{3-0} = offset{3-0};
2706 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2709 def STRBT_POST_IMM : AI2ldstidx<0, 1, 0, (outs GPR:$Rn_wb),
2710 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_imm:$offset),
2711 IndexModePost, StFrm, IIC_iStore_bh_ru,
2712 "strbt", "\t$Rt, $addr, $offset",
2713 "$addr.base = $Rn_wb", []> {
2719 let Inst{23} = offset{12};
2720 let Inst{21} = 1; // overwrite
2721 let Inst{19-16} = addr;
2722 let Inst{11-0} = offset{11-0};
2723 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2726 let mayStore = 1, neverHasSideEffects = 1 in {
2727 def STRT_POST_REG : AI2ldstidx<0, 0, 0, (outs GPR:$Rn_wb),
2728 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_reg:$offset),
2729 IndexModePost, StFrm, IIC_iStore_ru,
2730 "strt", "\t$Rt, $addr, $offset",
2731 "$addr.base = $Rn_wb", []> {
2737 let Inst{23} = offset{12};
2738 let Inst{21} = 1; // overwrite
2739 let Inst{19-16} = addr;
2740 let Inst{11-5} = offset{11-5};
2742 let Inst{3-0} = offset{3-0};
2743 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2746 def STRT_POST_IMM : AI2ldstidx<0, 0, 0, (outs GPR:$Rn_wb),
2747 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_imm:$offset),
2748 IndexModePost, StFrm, IIC_iStore_ru,
2749 "strt", "\t$Rt, $addr, $offset",
2750 "$addr.base = $Rn_wb", []> {
2756 let Inst{23} = offset{12};
2757 let Inst{21} = 1; // overwrite
2758 let Inst{19-16} = addr;
2759 let Inst{11-0} = offset{11-0};
2760 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2765 multiclass AI3strT<bits<4> op, string opc> {
2766 def i : AI3ldstidxT<op, 0, (outs GPR:$base_wb),
2767 (ins GPR:$Rt, addr_offset_none:$addr, postidx_imm8:$offset),
2768 IndexModePost, StMiscFrm, IIC_iStore_bh_ru, opc,
2769 "\t$Rt, $addr, $offset", "$addr.base = $base_wb", []> {
2771 let Inst{23} = offset{8};
2773 let Inst{11-8} = offset{7-4};
2774 let Inst{3-0} = offset{3-0};
2775 let AsmMatchConverter = "cvtStExtTWriteBackImm";
2777 def r : AI3ldstidxT<op, 0, (outs GPR:$base_wb),
2778 (ins GPR:$Rt, addr_offset_none:$addr, postidx_reg:$Rm),
2779 IndexModePost, StMiscFrm, IIC_iStore_bh_ru, opc,
2780 "\t$Rt, $addr, $Rm", "$addr.base = $base_wb", []> {
2782 let Inst{23} = Rm{4};
2785 let Inst{3-0} = Rm{3-0};
2786 let AsmMatchConverter = "cvtStExtTWriteBackReg";
2791 defm STRHT : AI3strT<0b1011, "strht">;
2794 //===----------------------------------------------------------------------===//
2795 // Load / store multiple Instructions.
2798 multiclass arm_ldst_mult<string asm, string sfx, bit L_bit, bit P_bit, Format f,
2799 InstrItinClass itin, InstrItinClass itin_upd> {
2800 // IA is the default, so no need for an explicit suffix on the
2801 // mnemonic here. Without it is the canonical spelling.
2803 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2804 IndexModeNone, f, itin,
2805 !strconcat(asm, "${p}\t$Rn, $regs", sfx), "", []> {
2806 let Inst{24-23} = 0b01; // Increment After
2807 let Inst{22} = P_bit;
2808 let Inst{21} = 0; // No writeback
2809 let Inst{20} = L_bit;
2812 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2813 IndexModeUpd, f, itin_upd,
2814 !strconcat(asm, "${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
2815 let Inst{24-23} = 0b01; // Increment After
2816 let Inst{22} = P_bit;
2817 let Inst{21} = 1; // Writeback
2818 let Inst{20} = L_bit;
2820 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
2823 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2824 IndexModeNone, f, itin,
2825 !strconcat(asm, "da${p}\t$Rn, $regs", sfx), "", []> {
2826 let Inst{24-23} = 0b00; // Decrement After
2827 let Inst{22} = P_bit;
2828 let Inst{21} = 0; // No writeback
2829 let Inst{20} = L_bit;
2832 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2833 IndexModeUpd, f, itin_upd,
2834 !strconcat(asm, "da${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
2835 let Inst{24-23} = 0b00; // Decrement After
2836 let Inst{22} = P_bit;
2837 let Inst{21} = 1; // Writeback
2838 let Inst{20} = L_bit;
2840 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
2843 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2844 IndexModeNone, f, itin,
2845 !strconcat(asm, "db${p}\t$Rn, $regs", sfx), "", []> {
2846 let Inst{24-23} = 0b10; // Decrement Before
2847 let Inst{22} = P_bit;
2848 let Inst{21} = 0; // No writeback
2849 let Inst{20} = L_bit;
2852 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2853 IndexModeUpd, f, itin_upd,
2854 !strconcat(asm, "db${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
2855 let Inst{24-23} = 0b10; // Decrement Before
2856 let Inst{22} = P_bit;
2857 let Inst{21} = 1; // Writeback
2858 let Inst{20} = L_bit;
2860 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
2863 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2864 IndexModeNone, f, itin,
2865 !strconcat(asm, "ib${p}\t$Rn, $regs", sfx), "", []> {
2866 let Inst{24-23} = 0b11; // Increment Before
2867 let Inst{22} = P_bit;
2868 let Inst{21} = 0; // No writeback
2869 let Inst{20} = L_bit;
2872 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2873 IndexModeUpd, f, itin_upd,
2874 !strconcat(asm, "ib${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
2875 let Inst{24-23} = 0b11; // Increment Before
2876 let Inst{22} = P_bit;
2877 let Inst{21} = 1; // Writeback
2878 let Inst{20} = L_bit;
2880 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
2884 let neverHasSideEffects = 1 in {
2886 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
2887 defm LDM : arm_ldst_mult<"ldm", "", 1, 0, LdStMulFrm, IIC_iLoad_m,
2890 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
2891 defm STM : arm_ldst_mult<"stm", "", 0, 0, LdStMulFrm, IIC_iStore_m,
2894 } // neverHasSideEffects
2896 // FIXME: remove when we have a way to marking a MI with these properties.
2897 // FIXME: Should pc be an implicit operand like PICADD, etc?
2898 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
2899 hasExtraDefRegAllocReq = 1, isCodeGenOnly = 1 in
2900 def LDMIA_RET : ARMPseudoExpand<(outs GPR:$wb), (ins GPR:$Rn, pred:$p,
2901 reglist:$regs, variable_ops),
2902 4, IIC_iLoad_mBr, [],
2903 (LDMIA_UPD GPR:$wb, GPR:$Rn, pred:$p, reglist:$regs)>,
2904 RegConstraint<"$Rn = $wb">;
2906 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
2907 defm sysLDM : arm_ldst_mult<"ldm", " ^", 1, 1, LdStMulFrm, IIC_iLoad_m,
2910 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
2911 defm sysSTM : arm_ldst_mult<"stm", " ^", 0, 1, LdStMulFrm, IIC_iStore_m,
2916 //===----------------------------------------------------------------------===//
2917 // Move Instructions.
2920 let neverHasSideEffects = 1 in
2921 def MOVr : AsI1<0b1101, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMOVr,
2922 "mov", "\t$Rd, $Rm", []>, UnaryDP {
2926 let Inst{19-16} = 0b0000;
2927 let Inst{11-4} = 0b00000000;
2930 let Inst{15-12} = Rd;
2933 // A version for the smaller set of tail call registers.
2934 let neverHasSideEffects = 1 in
2935 def MOVr_TC : AsI1<0b1101, (outs tcGPR:$Rd), (ins tcGPR:$Rm), DPFrm,
2936 IIC_iMOVr, "mov", "\t$Rd, $Rm", []>, UnaryDP {
2940 let Inst{11-4} = 0b00000000;
2943 let Inst{15-12} = Rd;
2946 def MOVsr : AsI1<0b1101, (outs GPRnopc:$Rd), (ins shift_so_reg_reg:$src),
2947 DPSoRegRegFrm, IIC_iMOVsr,
2948 "mov", "\t$Rd, $src",
2949 [(set GPRnopc:$Rd, shift_so_reg_reg:$src)]>, UnaryDP {
2952 let Inst{15-12} = Rd;
2953 let Inst{19-16} = 0b0000;
2954 let Inst{11-8} = src{11-8};
2956 let Inst{6-5} = src{6-5};
2958 let Inst{3-0} = src{3-0};
2962 def MOVsi : AsI1<0b1101, (outs GPR:$Rd), (ins shift_so_reg_imm:$src),
2963 DPSoRegImmFrm, IIC_iMOVsr,
2964 "mov", "\t$Rd, $src", [(set GPR:$Rd, shift_so_reg_imm:$src)]>,
2968 let Inst{15-12} = Rd;
2969 let Inst{19-16} = 0b0000;
2970 let Inst{11-5} = src{11-5};
2972 let Inst{3-0} = src{3-0};
2976 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
2977 def MOVi : AsI1<0b1101, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm, IIC_iMOVi,
2978 "mov", "\t$Rd, $imm", [(set GPR:$Rd, so_imm:$imm)]>, UnaryDP {
2982 let Inst{15-12} = Rd;
2983 let Inst{19-16} = 0b0000;
2984 let Inst{11-0} = imm;
2987 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
2988 def MOVi16 : AI1<0b1000, (outs GPR:$Rd), (ins imm0_65535_expr:$imm),
2990 "movw", "\t$Rd, $imm",
2991 [(set GPR:$Rd, imm0_65535:$imm)]>,
2992 Requires<[IsARM, HasV6T2]>, UnaryDP {
2995 let Inst{15-12} = Rd;
2996 let Inst{11-0} = imm{11-0};
2997 let Inst{19-16} = imm{15-12};
3000 let DecoderMethod = "DecodeArmMOVTWInstruction";
3003 def : InstAlias<"mov${p} $Rd, $imm",
3004 (MOVi16 GPR:$Rd, imm0_65535_expr:$imm, pred:$p)>,
3007 def MOVi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
3008 (ins i32imm:$addr, pclabel:$id), IIC_iMOVi, []>;
3010 let Constraints = "$src = $Rd" in {
3011 def MOVTi16 : AI1<0b1010, (outs GPRnopc:$Rd),
3012 (ins GPR:$src, imm0_65535_expr:$imm),
3014 "movt", "\t$Rd, $imm",
3016 (or (and GPR:$src, 0xffff),
3017 lo16AllZero:$imm))]>, UnaryDP,
3018 Requires<[IsARM, HasV6T2]> {
3021 let Inst{15-12} = Rd;
3022 let Inst{11-0} = imm{11-0};
3023 let Inst{19-16} = imm{15-12};
3026 let DecoderMethod = "DecodeArmMOVTWInstruction";
3029 def MOVTi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
3030 (ins GPR:$src, i32imm:$addr, pclabel:$id), IIC_iMOVi, []>;
3034 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
3035 Requires<[IsARM, HasV6T2]>;
3037 let Uses = [CPSR] in
3038 def RRX: PseudoInst<(outs GPR:$Rd), (ins GPR:$Rm), IIC_iMOVsi,
3039 [(set GPR:$Rd, (ARMrrx GPR:$Rm))]>, UnaryDP,
3042 // These aren't really mov instructions, but we have to define them this way
3043 // due to flag operands.
3045 let Defs = [CPSR] in {
3046 def MOVsrl_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
3047 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP,
3049 def MOVsra_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
3050 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP,
3054 //===----------------------------------------------------------------------===//
3055 // Extend Instructions.
3060 def SXTB : AI_ext_rrot<0b01101010,
3061 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
3062 def SXTH : AI_ext_rrot<0b01101011,
3063 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
3065 def SXTAB : AI_exta_rrot<0b01101010,
3066 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
3067 def SXTAH : AI_exta_rrot<0b01101011,
3068 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
3070 def SXTB16 : AI_ext_rrot_np<0b01101000, "sxtb16">;
3072 def SXTAB16 : AI_exta_rrot_np<0b01101000, "sxtab16">;
3076 let AddedComplexity = 16 in {
3077 def UXTB : AI_ext_rrot<0b01101110,
3078 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
3079 def UXTH : AI_ext_rrot<0b01101111,
3080 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
3081 def UXTB16 : AI_ext_rrot<0b01101100,
3082 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
3084 // FIXME: This pattern incorrectly assumes the shl operator is a rotate.
3085 // The transformation should probably be done as a combiner action
3086 // instead so we can include a check for masking back in the upper
3087 // eight bits of the source into the lower eight bits of the result.
3088 //def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
3089 // (UXTB16r_rot GPR:$Src, 3)>;
3090 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
3091 (UXTB16 GPR:$Src, 1)>;
3093 def UXTAB : AI_exta_rrot<0b01101110, "uxtab",
3094 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
3095 def UXTAH : AI_exta_rrot<0b01101111, "uxtah",
3096 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
3099 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
3100 def UXTAB16 : AI_exta_rrot_np<0b01101100, "uxtab16">;
3103 def SBFX : I<(outs GPRnopc:$Rd),
3104 (ins GPRnopc:$Rn, imm0_31:$lsb, imm1_32:$width),
3105 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3106 "sbfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
3107 Requires<[IsARM, HasV6T2]> {
3112 let Inst{27-21} = 0b0111101;
3113 let Inst{6-4} = 0b101;
3114 let Inst{20-16} = width;
3115 let Inst{15-12} = Rd;
3116 let Inst{11-7} = lsb;
3120 def UBFX : I<(outs GPR:$Rd),
3121 (ins GPR:$Rn, imm0_31:$lsb, imm1_32:$width),
3122 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3123 "ubfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
3124 Requires<[IsARM, HasV6T2]> {
3129 let Inst{27-21} = 0b0111111;
3130 let Inst{6-4} = 0b101;
3131 let Inst{20-16} = width;
3132 let Inst{15-12} = Rd;
3133 let Inst{11-7} = lsb;
3137 //===----------------------------------------------------------------------===//
3138 // Arithmetic Instructions.
3141 defm ADD : AsI1_bin_irs<0b0100, "add",
3142 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3143 BinOpFrag<(add node:$LHS, node:$RHS)>, 1>;
3144 defm SUB : AsI1_bin_irs<0b0010, "sub",
3145 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3146 BinOpFrag<(sub node:$LHS, node:$RHS)>>;
3148 // ADD and SUB with 's' bit set.
3150 // Currently, ADDS/SUBS are pseudo opcodes that exist only in the
3151 // selection DAG. They are "lowered" to real ADD/SUB opcodes by
3152 // AdjustInstrPostInstrSelection where we determine whether or not to
3153 // set the "s" bit based on CPSR liveness.
3155 // FIXME: Eliminate ADDS/SUBS pseudo opcodes after adding tablegen
3156 // support for an optional CPSR definition that corresponds to the DAG
3157 // node's second value. We can then eliminate the implicit def of CPSR.
3158 defm ADDS : AsI1_bin_s_irs<IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3159 BinOpFrag<(ARMaddc node:$LHS, node:$RHS)>, 1>;
3160 defm SUBS : AsI1_bin_s_irs<IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3161 BinOpFrag<(ARMsubc node:$LHS, node:$RHS)>>;
3163 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
3164 BinOpWithFlagFrag<(ARMadde node:$LHS, node:$RHS, node:$FLAG)>, 1>;
3165 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
3166 BinOpWithFlagFrag<(ARMsube node:$LHS, node:$RHS, node:$FLAG)>>;
3168 defm RSB : AsI1_rbin_irs<0b0011, "rsb",
3169 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3170 BinOpFrag<(sub node:$LHS, node:$RHS)>>;
3172 // FIXME: Eliminate them if we can write def : Pat patterns which defines
3173 // CPSR and the implicit def of CPSR is not needed.
3174 defm RSBS : AsI1_rbin_s_is<IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3175 BinOpFrag<(ARMsubc node:$LHS, node:$RHS)>>;
3177 defm RSC : AI1_rsc_irs<0b0111, "rsc",
3178 BinOpWithFlagFrag<(ARMsube node:$LHS, node:$RHS, node:$FLAG)>>;
3180 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
3181 // The assume-no-carry-in form uses the negation of the input since add/sub
3182 // assume opposite meanings of the carry flag (i.e., carry == !borrow).
3183 // See the definition of AddWithCarry() in the ARM ARM A2.2.1 for the gory
3185 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
3186 (SUBri GPR:$src, so_imm_neg:$imm)>;
3187 def : ARMPat<(ARMaddc GPR:$src, so_imm_neg:$imm),
3188 (SUBSri GPR:$src, so_imm_neg:$imm)>;
3190 def : ARMPat<(add GPR:$src, imm0_65535_neg:$imm),
3191 (SUBrr GPR:$src, (MOVi16 (imm_neg_XFORM imm:$imm)))>,
3192 Requires<[IsARM, HasV6T2]>;
3193 def : ARMPat<(ARMaddc GPR:$src, imm0_65535_neg:$imm),
3194 (SUBSrr GPR:$src, (MOVi16 (imm_neg_XFORM imm:$imm)))>,
3195 Requires<[IsARM, HasV6T2]>;
3197 // The with-carry-in form matches bitwise not instead of the negation.
3198 // Effectively, the inverse interpretation of the carry flag already accounts
3199 // for part of the negation.
3200 def : ARMPat<(ARMadde GPR:$src, so_imm_not:$imm, CPSR),
3201 (SBCri GPR:$src, so_imm_not:$imm)>;
3202 def : ARMPat<(ARMadde GPR:$src, imm0_65535_neg:$imm, CPSR),
3203 (SBCrr GPR:$src, (MOVi16 (imm_not_XFORM imm:$imm)))>;
3205 // Note: These are implemented in C++ code, because they have to generate
3206 // ADD/SUBrs instructions, which use a complex pattern that a xform function
3208 // (mul X, 2^n+1) -> (add (X << n), X)
3209 // (mul X, 2^n-1) -> (rsb X, (X << n))
3211 // ARM Arithmetic Instruction
3212 // GPR:$dst = GPR:$a op GPR:$b
3213 class AAI<bits<8> op27_20, bits<8> op11_4, string opc,
3214 list<dag> pattern = [],
3215 dag iops = (ins GPRnopc:$Rn, GPRnopc:$Rm),
3216 string asm = "\t$Rd, $Rn, $Rm">
3217 : AI<(outs GPRnopc:$Rd), iops, DPFrm, IIC_iALUr, opc, asm, pattern> {
3221 let Inst{27-20} = op27_20;
3222 let Inst{11-4} = op11_4;
3223 let Inst{19-16} = Rn;
3224 let Inst{15-12} = Rd;
3227 let Unpredictable{11-8} = 0b1111;
3230 // Saturating add/subtract
3232 def QADD : AAI<0b00010000, 0b00000101, "qadd",
3233 [(set GPRnopc:$Rd, (int_arm_qadd GPRnopc:$Rm, GPRnopc:$Rn))],
3234 (ins GPRnopc:$Rm, GPRnopc:$Rn), "\t$Rd, $Rm, $Rn">;
3235 def QSUB : AAI<0b00010010, 0b00000101, "qsub",
3236 [(set GPRnopc:$Rd, (int_arm_qsub GPRnopc:$Rm, GPRnopc:$Rn))],
3237 (ins GPRnopc:$Rm, GPRnopc:$Rn), "\t$Rd, $Rm, $Rn">;
3238 def QDADD : AAI<0b00010100, 0b00000101, "qdadd", [],
3239 (ins GPRnopc:$Rm, GPRnopc:$Rn),
3241 def QDSUB : AAI<0b00010110, 0b00000101, "qdsub", [],
3242 (ins GPRnopc:$Rm, GPRnopc:$Rn),
3245 def QADD16 : AAI<0b01100010, 0b11110001, "qadd16">;
3246 def QADD8 : AAI<0b01100010, 0b11111001, "qadd8">;
3247 def QASX : AAI<0b01100010, 0b11110011, "qasx">;
3248 def QSAX : AAI<0b01100010, 0b11110101, "qsax">;
3249 def QSUB16 : AAI<0b01100010, 0b11110111, "qsub16">;
3250 def QSUB8 : AAI<0b01100010, 0b11111111, "qsub8">;
3251 def UQADD16 : AAI<0b01100110, 0b11110001, "uqadd16">;
3252 def UQADD8 : AAI<0b01100110, 0b11111001, "uqadd8">;
3253 def UQASX : AAI<0b01100110, 0b11110011, "uqasx">;
3254 def UQSAX : AAI<0b01100110, 0b11110101, "uqsax">;
3255 def UQSUB16 : AAI<0b01100110, 0b11110111, "uqsub16">;
3256 def UQSUB8 : AAI<0b01100110, 0b11111111, "uqsub8">;
3258 // Signed/Unsigned add/subtract
3260 def SASX : AAI<0b01100001, 0b11110011, "sasx">;
3261 def SADD16 : AAI<0b01100001, 0b11110001, "sadd16">;
3262 def SADD8 : AAI<0b01100001, 0b11111001, "sadd8">;
3263 def SSAX : AAI<0b01100001, 0b11110101, "ssax">;
3264 def SSUB16 : AAI<0b01100001, 0b11110111, "ssub16">;
3265 def SSUB8 : AAI<0b01100001, 0b11111111, "ssub8">;
3266 def UASX : AAI<0b01100101, 0b11110011, "uasx">;
3267 def UADD16 : AAI<0b01100101, 0b11110001, "uadd16">;
3268 def UADD8 : AAI<0b01100101, 0b11111001, "uadd8">;
3269 def USAX : AAI<0b01100101, 0b11110101, "usax">;
3270 def USUB16 : AAI<0b01100101, 0b11110111, "usub16">;
3271 def USUB8 : AAI<0b01100101, 0b11111111, "usub8">;
3273 // Signed/Unsigned halving add/subtract
3275 def SHASX : AAI<0b01100011, 0b11110011, "shasx">;
3276 def SHADD16 : AAI<0b01100011, 0b11110001, "shadd16">;
3277 def SHADD8 : AAI<0b01100011, 0b11111001, "shadd8">;
3278 def SHSAX : AAI<0b01100011, 0b11110101, "shsax">;
3279 def SHSUB16 : AAI<0b01100011, 0b11110111, "shsub16">;
3280 def SHSUB8 : AAI<0b01100011, 0b11111111, "shsub8">;
3281 def UHASX : AAI<0b01100111, 0b11110011, "uhasx">;
3282 def UHADD16 : AAI<0b01100111, 0b11110001, "uhadd16">;
3283 def UHADD8 : AAI<0b01100111, 0b11111001, "uhadd8">;
3284 def UHSAX : AAI<0b01100111, 0b11110101, "uhsax">;
3285 def UHSUB16 : AAI<0b01100111, 0b11110111, "uhsub16">;
3286 def UHSUB8 : AAI<0b01100111, 0b11111111, "uhsub8">;
3288 // Unsigned Sum of Absolute Differences [and Accumulate].
3290 def USAD8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3291 MulFrm /* for convenience */, NoItinerary, "usad8",
3292 "\t$Rd, $Rn, $Rm", []>,
3293 Requires<[IsARM, HasV6]> {
3297 let Inst{27-20} = 0b01111000;
3298 let Inst{15-12} = 0b1111;
3299 let Inst{7-4} = 0b0001;
3300 let Inst{19-16} = Rd;
3301 let Inst{11-8} = Rm;
3304 def USADA8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3305 MulFrm /* for convenience */, NoItinerary, "usada8",
3306 "\t$Rd, $Rn, $Rm, $Ra", []>,
3307 Requires<[IsARM, HasV6]> {
3312 let Inst{27-20} = 0b01111000;
3313 let Inst{7-4} = 0b0001;
3314 let Inst{19-16} = Rd;
3315 let Inst{15-12} = Ra;
3316 let Inst{11-8} = Rm;
3320 // Signed/Unsigned saturate
3322 def SSAT : AI<(outs GPRnopc:$Rd),
3323 (ins imm1_32:$sat_imm, GPRnopc:$Rn, shift_imm:$sh),
3324 SatFrm, NoItinerary, "ssat", "\t$Rd, $sat_imm, $Rn$sh", []> {
3329 let Inst{27-21} = 0b0110101;
3330 let Inst{5-4} = 0b01;
3331 let Inst{20-16} = sat_imm;
3332 let Inst{15-12} = Rd;
3333 let Inst{11-7} = sh{4-0};
3334 let Inst{6} = sh{5};
3338 def SSAT16 : AI<(outs GPRnopc:$Rd),
3339 (ins imm1_16:$sat_imm, GPRnopc:$Rn), SatFrm,
3340 NoItinerary, "ssat16", "\t$Rd, $sat_imm, $Rn", []> {
3344 let Inst{27-20} = 0b01101010;
3345 let Inst{11-4} = 0b11110011;
3346 let Inst{15-12} = Rd;
3347 let Inst{19-16} = sat_imm;
3351 def USAT : AI<(outs GPRnopc:$Rd),
3352 (ins imm0_31:$sat_imm, GPRnopc:$Rn, shift_imm:$sh),
3353 SatFrm, NoItinerary, "usat", "\t$Rd, $sat_imm, $Rn$sh", []> {
3358 let Inst{27-21} = 0b0110111;
3359 let Inst{5-4} = 0b01;
3360 let Inst{15-12} = Rd;
3361 let Inst{11-7} = sh{4-0};
3362 let Inst{6} = sh{5};
3363 let Inst{20-16} = sat_imm;
3367 def USAT16 : AI<(outs GPRnopc:$Rd),
3368 (ins imm0_15:$sat_imm, GPRnopc:$Rn), SatFrm,
3369 NoItinerary, "usat16", "\t$Rd, $sat_imm, $Rn", []> {
3373 let Inst{27-20} = 0b01101110;
3374 let Inst{11-4} = 0b11110011;
3375 let Inst{15-12} = Rd;
3376 let Inst{19-16} = sat_imm;
3380 def : ARMV6Pat<(int_arm_ssat GPRnopc:$a, imm:$pos),
3381 (SSAT imm:$pos, GPRnopc:$a, 0)>;
3382 def : ARMV6Pat<(int_arm_usat GPRnopc:$a, imm:$pos),
3383 (USAT imm:$pos, GPRnopc:$a, 0)>;
3385 //===----------------------------------------------------------------------===//
3386 // Bitwise Instructions.
3389 defm AND : AsI1_bin_irs<0b0000, "and",
3390 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3391 BinOpFrag<(and node:$LHS, node:$RHS)>, 1>;
3392 defm ORR : AsI1_bin_irs<0b1100, "orr",
3393 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3394 BinOpFrag<(or node:$LHS, node:$RHS)>, 1>;
3395 defm EOR : AsI1_bin_irs<0b0001, "eor",
3396 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3397 BinOpFrag<(xor node:$LHS, node:$RHS)>, 1>;
3398 defm BIC : AsI1_bin_irs<0b1110, "bic",
3399 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3400 BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
3402 // FIXME: bf_inv_mask_imm should be two operands, the lsb and the msb, just
3403 // like in the actual instruction encoding. The complexity of mapping the mask
3404 // to the lsb/msb pair should be handled by ISel, not encapsulated in the
3405 // instruction description.
3406 def BFC : I<(outs GPR:$Rd), (ins GPR:$src, bf_inv_mask_imm:$imm),
3407 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3408 "bfc", "\t$Rd, $imm", "$src = $Rd",
3409 [(set GPR:$Rd, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
3410 Requires<[IsARM, HasV6T2]> {
3413 let Inst{27-21} = 0b0111110;
3414 let Inst{6-0} = 0b0011111;
3415 let Inst{15-12} = Rd;
3416 let Inst{11-7} = imm{4-0}; // lsb
3417 let Inst{20-16} = imm{9-5}; // msb
3420 // A8.6.18 BFI - Bitfield insert (Encoding A1)
3421 def BFI:I<(outs GPRnopc:$Rd), (ins GPRnopc:$src, GPR:$Rn, bf_inv_mask_imm:$imm),
3422 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3423 "bfi", "\t$Rd, $Rn, $imm", "$src = $Rd",
3424 [(set GPRnopc:$Rd, (ARMbfi GPRnopc:$src, GPR:$Rn,
3425 bf_inv_mask_imm:$imm))]>,
3426 Requires<[IsARM, HasV6T2]> {
3430 let Inst{27-21} = 0b0111110;
3431 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
3432 let Inst{15-12} = Rd;
3433 let Inst{11-7} = imm{4-0}; // lsb
3434 let Inst{20-16} = imm{9-5}; // width
3438 def MVNr : AsI1<0b1111, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMVNr,
3439 "mvn", "\t$Rd, $Rm",
3440 [(set GPR:$Rd, (not GPR:$Rm))]>, UnaryDP {
3444 let Inst{19-16} = 0b0000;
3445 let Inst{11-4} = 0b00000000;
3446 let Inst{15-12} = Rd;
3449 def MVNsi : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg_imm:$shift),
3450 DPSoRegImmFrm, IIC_iMVNsr, "mvn", "\t$Rd, $shift",
3451 [(set GPR:$Rd, (not so_reg_imm:$shift))]>, UnaryDP {
3455 let Inst{19-16} = 0b0000;
3456 let Inst{15-12} = Rd;
3457 let Inst{11-5} = shift{11-5};
3459 let Inst{3-0} = shift{3-0};
3461 def MVNsr : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg_reg:$shift),
3462 DPSoRegRegFrm, IIC_iMVNsr, "mvn", "\t$Rd, $shift",
3463 [(set GPR:$Rd, (not so_reg_reg:$shift))]>, UnaryDP {
3467 let Inst{19-16} = 0b0000;
3468 let Inst{15-12} = Rd;
3469 let Inst{11-8} = shift{11-8};
3471 let Inst{6-5} = shift{6-5};
3473 let Inst{3-0} = shift{3-0};
3475 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
3476 def MVNi : AsI1<0b1111, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm,
3477 IIC_iMVNi, "mvn", "\t$Rd, $imm",
3478 [(set GPR:$Rd, so_imm_not:$imm)]>,UnaryDP {
3482 let Inst{19-16} = 0b0000;
3483 let Inst{15-12} = Rd;
3484 let Inst{11-0} = imm;
3487 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
3488 (BICri GPR:$src, so_imm_not:$imm)>;
3490 //===----------------------------------------------------------------------===//
3491 // Multiply Instructions.
3493 class AsMul1I32<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
3494 string opc, string asm, list<dag> pattern>
3495 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
3499 let Inst{19-16} = Rd;
3500 let Inst{11-8} = Rm;
3503 class AsMul1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
3504 string opc, string asm, list<dag> pattern>
3505 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
3510 let Inst{19-16} = RdHi;
3511 let Inst{15-12} = RdLo;
3512 let Inst{11-8} = Rm;
3515 class AsMla1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
3516 string opc, string asm, list<dag> pattern>
3517 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
3522 let Inst{19-16} = RdHi;
3523 let Inst{15-12} = RdLo;
3524 let Inst{11-8} = Rm;
3528 // FIXME: The v5 pseudos are only necessary for the additional Constraint
3529 // property. Remove them when it's possible to add those properties
3530 // on an individual MachineInstr, not just an instruction description.
3531 let isCommutable = 1, TwoOperandAliasConstraint = "$Rn = $Rd" in {
3532 def MUL : AsMul1I32<0b0000000, (outs GPRnopc:$Rd),
3533 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3534 IIC_iMUL32, "mul", "\t$Rd, $Rn, $Rm",
3535 [(set GPRnopc:$Rd, (mul GPRnopc:$Rn, GPRnopc:$Rm))]>,
3536 Requires<[IsARM, HasV6]> {
3537 let Inst{15-12} = 0b0000;
3538 let Unpredictable{15-12} = 0b1111;
3541 let Constraints = "@earlyclobber $Rd" in
3542 def MULv5: ARMPseudoExpand<(outs GPRnopc:$Rd), (ins GPRnopc:$Rn, GPRnopc:$Rm,
3543 pred:$p, cc_out:$s),
3545 [(set GPRnopc:$Rd, (mul GPRnopc:$Rn, GPRnopc:$Rm))],
3546 (MUL GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p, cc_out:$s)>,
3547 Requires<[IsARM, NoV6, UseMulOps]>;
3550 def MLA : AsMul1I32<0b0000001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3551 IIC_iMAC32, "mla", "\t$Rd, $Rn, $Rm, $Ra",
3552 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
3553 Requires<[IsARM, HasV6, UseMulOps]> {
3555 let Inst{15-12} = Ra;
3558 let Constraints = "@earlyclobber $Rd" in
3559 def MLAv5: ARMPseudoExpand<(outs GPR:$Rd),
3560 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra, pred:$p, cc_out:$s),
3562 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))],
3563 (MLA GPR:$Rd, GPR:$Rn, GPR:$Rm, GPR:$Ra, pred:$p, cc_out:$s)>,
3564 Requires<[IsARM, NoV6]>;
3566 def MLS : AMul1I<0b0000011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3567 IIC_iMAC32, "mls", "\t$Rd, $Rn, $Rm, $Ra",
3568 [(set GPR:$Rd, (sub GPR:$Ra, (mul GPR:$Rn, GPR:$Rm)))]>,
3569 Requires<[IsARM, HasV6T2, UseMulOps]> {
3574 let Inst{19-16} = Rd;
3575 let Inst{15-12} = Ra;
3576 let Inst{11-8} = Rm;
3580 // Extra precision multiplies with low / high results
3581 let neverHasSideEffects = 1 in {
3582 let isCommutable = 1 in {
3583 def SMULL : AsMul1I64<0b0000110, (outs GPR:$RdLo, GPR:$RdHi),
3584 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
3585 "smull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3586 Requires<[IsARM, HasV6]>;
3588 def UMULL : AsMul1I64<0b0000100, (outs GPR:$RdLo, GPR:$RdHi),
3589 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
3590 "umull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3591 Requires<[IsARM, HasV6]>;
3593 let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
3594 def SMULLv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3595 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
3597 (SMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3598 Requires<[IsARM, NoV6]>;
3600 def UMULLv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3601 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
3603 (UMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3604 Requires<[IsARM, NoV6]>;
3608 // Multiply + accumulate
3609 def SMLAL : AsMla1I64<0b0000111, (outs GPR:$RdLo, GPR:$RdHi),
3610 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi), IIC_iMAC64,
3611 "smlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3612 RegConstraint<"$RLo = $RdLo, $RHi = $RdHi">, Requires<[IsARM, HasV6]>;
3613 def UMLAL : AsMla1I64<0b0000101, (outs GPR:$RdLo, GPR:$RdHi),
3614 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi), IIC_iMAC64,
3615 "umlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3616 RegConstraint<"$RLo = $RdLo, $RHi = $RdHi">, Requires<[IsARM, HasV6]>;
3618 def UMAAL : AMul1I <0b0000010, (outs GPR:$RdLo, GPR:$RdHi),
3619 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
3620 "umaal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3621 Requires<[IsARM, HasV6]> {
3626 let Inst{19-16} = RdHi;
3627 let Inst{15-12} = RdLo;
3628 let Inst{11-8} = Rm;
3632 let Constraints = "$RLo = $RdLo,$RHi = $RdHi" in {
3633 def SMLALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3634 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi, pred:$p, cc_out:$s),
3636 (SMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi,
3637 pred:$p, cc_out:$s)>,
3638 Requires<[IsARM, NoV6]>;
3639 def UMLALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3640 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi, pred:$p, cc_out:$s),
3642 (UMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi,
3643 pred:$p, cc_out:$s)>,
3644 Requires<[IsARM, NoV6]>;
3647 let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
3648 def UMAALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3649 (ins GPR:$Rn, GPR:$Rm, pred:$p),
3651 (UMAAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p)>,
3652 Requires<[IsARM, NoV6]>;
3655 } // neverHasSideEffects
3657 // Most significant word multiply
3658 def SMMUL : AMul2I <0b0111010, 0b0001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3659 IIC_iMUL32, "smmul", "\t$Rd, $Rn, $Rm",
3660 [(set GPR:$Rd, (mulhs GPR:$Rn, GPR:$Rm))]>,
3661 Requires<[IsARM, HasV6]> {
3662 let Inst{15-12} = 0b1111;
3665 def SMMULR : AMul2I <0b0111010, 0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3666 IIC_iMUL32, "smmulr", "\t$Rd, $Rn, $Rm", []>,
3667 Requires<[IsARM, HasV6]> {
3668 let Inst{15-12} = 0b1111;
3671 def SMMLA : AMul2Ia <0b0111010, 0b0001, (outs GPR:$Rd),
3672 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3673 IIC_iMAC32, "smmla", "\t$Rd, $Rn, $Rm, $Ra",
3674 [(set GPR:$Rd, (add (mulhs GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
3675 Requires<[IsARM, HasV6, UseMulOps]>;
3677 def SMMLAR : AMul2Ia <0b0111010, 0b0011, (outs GPR:$Rd),
3678 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3679 IIC_iMAC32, "smmlar", "\t$Rd, $Rn, $Rm, $Ra", []>,
3680 Requires<[IsARM, HasV6]>;
3682 def SMMLS : AMul2Ia <0b0111010, 0b1101, (outs GPR:$Rd),
3683 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3684 IIC_iMAC32, "smmls", "\t$Rd, $Rn, $Rm, $Ra", []>,
3685 Requires<[IsARM, HasV6, UseMulOps]>;
3687 def SMMLSR : AMul2Ia <0b0111010, 0b1111, (outs GPR:$Rd),
3688 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3689 IIC_iMAC32, "smmlsr", "\t$Rd, $Rn, $Rm, $Ra", []>,
3690 Requires<[IsARM, HasV6]>;
3692 multiclass AI_smul<string opc, PatFrag opnode> {
3693 def BB : AMulxyI<0b0001011, 0b00, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3694 IIC_iMUL16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm",
3695 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
3696 (sext_inreg GPR:$Rm, i16)))]>,
3697 Requires<[IsARM, HasV5TE]>;
3699 def BT : AMulxyI<0b0001011, 0b10, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3700 IIC_iMUL16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm",
3701 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
3702 (sra GPR:$Rm, (i32 16))))]>,
3703 Requires<[IsARM, HasV5TE]>;
3705 def TB : AMulxyI<0b0001011, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3706 IIC_iMUL16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm",
3707 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
3708 (sext_inreg GPR:$Rm, i16)))]>,
3709 Requires<[IsARM, HasV5TE]>;
3711 def TT : AMulxyI<0b0001011, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3712 IIC_iMUL16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm",
3713 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
3714 (sra GPR:$Rm, (i32 16))))]>,
3715 Requires<[IsARM, HasV5TE]>;
3717 def WB : AMulxyI<0b0001001, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3718 IIC_iMUL16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm",
3719 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
3720 (sext_inreg GPR:$Rm, i16)), (i32 16)))]>,
3721 Requires<[IsARM, HasV5TE]>;
3723 def WT : AMulxyI<0b0001001, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3724 IIC_iMUL16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm",
3725 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
3726 (sra GPR:$Rm, (i32 16))), (i32 16)))]>,
3727 Requires<[IsARM, HasV5TE]>;
3731 multiclass AI_smla<string opc, PatFrag opnode> {
3732 let DecoderMethod = "DecodeSMLAInstruction" in {
3733 def BB : AMulxyIa<0b0001000, 0b00, (outs GPRnopc:$Rd),
3734 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3735 IIC_iMAC16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm, $Ra",
3736 [(set GPRnopc:$Rd, (add GPR:$Ra,
3737 (opnode (sext_inreg GPRnopc:$Rn, i16),
3738 (sext_inreg GPRnopc:$Rm, i16))))]>,
3739 Requires<[IsARM, HasV5TE, UseMulOps]>;
3741 def BT : AMulxyIa<0b0001000, 0b10, (outs GPRnopc:$Rd),
3742 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3743 IIC_iMAC16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm, $Ra",
3745 (add GPR:$Ra, (opnode (sext_inreg GPRnopc:$Rn, i16),
3746 (sra GPRnopc:$Rm, (i32 16)))))]>,
3747 Requires<[IsARM, HasV5TE, UseMulOps]>;
3749 def TB : AMulxyIa<0b0001000, 0b01, (outs GPRnopc:$Rd),
3750 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3751 IIC_iMAC16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm, $Ra",
3753 (add GPR:$Ra, (opnode (sra GPRnopc:$Rn, (i32 16)),
3754 (sext_inreg GPRnopc:$Rm, i16))))]>,
3755 Requires<[IsARM, HasV5TE, UseMulOps]>;
3757 def TT : AMulxyIa<0b0001000, 0b11, (outs GPRnopc:$Rd),
3758 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3759 IIC_iMAC16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm, $Ra",
3761 (add GPR:$Ra, (opnode (sra GPRnopc:$Rn, (i32 16)),
3762 (sra GPRnopc:$Rm, (i32 16)))))]>,
3763 Requires<[IsARM, HasV5TE, UseMulOps]>;
3765 def WB : AMulxyIa<0b0001001, 0b00, (outs GPRnopc:$Rd),
3766 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3767 IIC_iMAC16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm, $Ra",
3769 (add GPR:$Ra, (sra (opnode GPRnopc:$Rn,
3770 (sext_inreg GPRnopc:$Rm, i16)), (i32 16))))]>,
3771 Requires<[IsARM, HasV5TE, UseMulOps]>;
3773 def WT : AMulxyIa<0b0001001, 0b10, (outs GPRnopc:$Rd),
3774 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3775 IIC_iMAC16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm, $Ra",
3777 (add GPR:$Ra, (sra (opnode GPRnopc:$Rn,
3778 (sra GPRnopc:$Rm, (i32 16))), (i32 16))))]>,
3779 Requires<[IsARM, HasV5TE, UseMulOps]>;
3783 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
3784 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
3786 // Halfword multiply accumulate long: SMLAL<x><y>.
3787 def SMLALBB : AMulxyI64<0b0001010, 0b00, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3788 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3789 IIC_iMAC64, "smlalbb", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3790 Requires<[IsARM, HasV5TE]>;
3792 def SMLALBT : AMulxyI64<0b0001010, 0b10, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3793 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3794 IIC_iMAC64, "smlalbt", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3795 Requires<[IsARM, HasV5TE]>;
3797 def SMLALTB : AMulxyI64<0b0001010, 0b01, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3798 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3799 IIC_iMAC64, "smlaltb", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3800 Requires<[IsARM, HasV5TE]>;
3802 def SMLALTT : AMulxyI64<0b0001010, 0b11, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3803 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3804 IIC_iMAC64, "smlaltt", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3805 Requires<[IsARM, HasV5TE]>;
3807 // Helper class for AI_smld.
3808 class AMulDualIbase<bit long, bit sub, bit swap, dag oops, dag iops,
3809 InstrItinClass itin, string opc, string asm>
3810 : AI<oops, iops, MulFrm, itin, opc, asm, []>, Requires<[IsARM, HasV6]> {
3813 let Inst{27-23} = 0b01110;
3814 let Inst{22} = long;
3815 let Inst{21-20} = 0b00;
3816 let Inst{11-8} = Rm;
3823 class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
3824 InstrItinClass itin, string opc, string asm>
3825 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
3827 let Inst{15-12} = 0b1111;
3828 let Inst{19-16} = Rd;
3830 class AMulDualIa<bit long, bit sub, bit swap, dag oops, dag iops,
3831 InstrItinClass itin, string opc, string asm>
3832 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
3835 let Inst{19-16} = Rd;
3836 let Inst{15-12} = Ra;
3838 class AMulDualI64<bit long, bit sub, bit swap, dag oops, dag iops,
3839 InstrItinClass itin, string opc, string asm>
3840 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
3843 let Inst{19-16} = RdHi;
3844 let Inst{15-12} = RdLo;
3847 multiclass AI_smld<bit sub, string opc> {
3849 def D : AMulDualIa<0, sub, 0, (outs GPRnopc:$Rd),
3850 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3851 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm, $Ra">;
3853 def DX: AMulDualIa<0, sub, 1, (outs GPRnopc:$Rd),
3854 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3855 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm, $Ra">;
3857 def LD: AMulDualI64<1, sub, 0, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3858 (ins GPRnopc:$Rn, GPRnopc:$Rm), NoItinerary,
3859 !strconcat(opc, "ld"), "\t$RdLo, $RdHi, $Rn, $Rm">;
3861 def LDX : AMulDualI64<1, sub, 1, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3862 (ins GPRnopc:$Rn, GPRnopc:$Rm), NoItinerary,
3863 !strconcat(opc, "ldx"),"\t$RdLo, $RdHi, $Rn, $Rm">;
3867 defm SMLA : AI_smld<0, "smla">;
3868 defm SMLS : AI_smld<1, "smls">;
3870 multiclass AI_sdml<bit sub, string opc> {
3872 def D:AMulDualI<0, sub, 0, (outs GPRnopc:$Rd), (ins GPRnopc:$Rn, GPRnopc:$Rm),
3873 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm">;
3874 def DX:AMulDualI<0, sub, 1, (outs GPRnopc:$Rd),(ins GPRnopc:$Rn, GPRnopc:$Rm),
3875 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm">;
3878 defm SMUA : AI_sdml<0, "smua">;
3879 defm SMUS : AI_sdml<1, "smus">;
3881 //===----------------------------------------------------------------------===//
3882 // Division Instructions (ARMv7-A with virtualization extension)
3884 def SDIV : ADivA1I<0b001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), IIC_iDIV,
3885 "sdiv", "\t$Rd, $Rn, $Rm",
3886 [(set GPR:$Rd, (sdiv GPR:$Rn, GPR:$Rm))]>,
3887 Requires<[IsARM, HasDivideInARM]>;
3889 def UDIV : ADivA1I<0b011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), IIC_iDIV,
3890 "udiv", "\t$Rd, $Rn, $Rm",
3891 [(set GPR:$Rd, (udiv GPR:$Rn, GPR:$Rm))]>,
3892 Requires<[IsARM, HasDivideInARM]>;
3894 //===----------------------------------------------------------------------===//
3895 // Misc. Arithmetic Instructions.
3898 def CLZ : AMiscA1I<0b000010110, 0b0001, (outs GPR:$Rd), (ins GPR:$Rm),
3899 IIC_iUNAr, "clz", "\t$Rd, $Rm",
3900 [(set GPR:$Rd, (ctlz GPR:$Rm))]>, Requires<[IsARM, HasV5T]>,
3903 def RBIT : AMiscA1I<0b01101111, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
3904 IIC_iUNAr, "rbit", "\t$Rd, $Rm",
3905 [(set GPR:$Rd, (ARMrbit GPR:$Rm))]>,
3906 Requires<[IsARM, HasV6T2]>,
3909 def REV : AMiscA1I<0b01101011, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
3910 IIC_iUNAr, "rev", "\t$Rd, $Rm",
3911 [(set GPR:$Rd, (bswap GPR:$Rm))]>, Requires<[IsARM, HasV6]>,
3914 let AddedComplexity = 5 in
3915 def REV16 : AMiscA1I<0b01101011, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
3916 IIC_iUNAr, "rev16", "\t$Rd, $Rm",
3917 [(set GPR:$Rd, (rotr (bswap GPR:$Rm), (i32 16)))]>,
3918 Requires<[IsARM, HasV6]>,
3921 let AddedComplexity = 5 in
3922 def REVSH : AMiscA1I<0b01101111, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
3923 IIC_iUNAr, "revsh", "\t$Rd, $Rm",
3924 [(set GPR:$Rd, (sra (bswap GPR:$Rm), (i32 16)))]>,
3925 Requires<[IsARM, HasV6]>,
3928 def : ARMV6Pat<(or (sra (shl GPR:$Rm, (i32 24)), (i32 16)),
3929 (and (srl GPR:$Rm, (i32 8)), 0xFF)),
3932 def PKHBT : APKHI<0b01101000, 0, (outs GPRnopc:$Rd),
3933 (ins GPRnopc:$Rn, GPRnopc:$Rm, pkh_lsl_amt:$sh),
3934 IIC_iALUsi, "pkhbt", "\t$Rd, $Rn, $Rm$sh",
3935 [(set GPRnopc:$Rd, (or (and GPRnopc:$Rn, 0xFFFF),
3936 (and (shl GPRnopc:$Rm, pkh_lsl_amt:$sh),
3938 Requires<[IsARM, HasV6]>,
3939 Sched<[WriteALUsi, ReadALU]>;
3941 // Alternate cases for PKHBT where identities eliminate some nodes.
3942 def : ARMV6Pat<(or (and GPRnopc:$Rn, 0xFFFF), (and GPRnopc:$Rm, 0xFFFF0000)),
3943 (PKHBT GPRnopc:$Rn, GPRnopc:$Rm, 0)>;
3944 def : ARMV6Pat<(or (and GPRnopc:$Rn, 0xFFFF), (shl GPRnopc:$Rm, imm16_31:$sh)),
3945 (PKHBT GPRnopc:$Rn, GPRnopc:$Rm, imm16_31:$sh)>;
3947 // Note: Shifts of 1-15 bits will be transformed to srl instead of sra and
3948 // will match the pattern below.
3949 def PKHTB : APKHI<0b01101000, 1, (outs GPRnopc:$Rd),
3950 (ins GPRnopc:$Rn, GPRnopc:$Rm, pkh_asr_amt:$sh),
3951 IIC_iBITsi, "pkhtb", "\t$Rd, $Rn, $Rm$sh",
3952 [(set GPRnopc:$Rd, (or (and GPRnopc:$Rn, 0xFFFF0000),
3953 (and (sra GPRnopc:$Rm, pkh_asr_amt:$sh),
3955 Requires<[IsARM, HasV6]>,
3956 Sched<[WriteALUsi, ReadALU]>;
3958 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
3959 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
3960 def : ARMV6Pat<(or (and GPRnopc:$src1, 0xFFFF0000),
3961 (srl GPRnopc:$src2, imm16_31:$sh)),
3962 (PKHTB GPRnopc:$src1, GPRnopc:$src2, imm16_31:$sh)>;
3963 def : ARMV6Pat<(or (and GPRnopc:$src1, 0xFFFF0000),
3964 (and (srl GPRnopc:$src2, imm1_15:$sh), 0xFFFF)),
3965 (PKHTB GPRnopc:$src1, GPRnopc:$src2, imm1_15:$sh)>;
3967 //===----------------------------------------------------------------------===//
3968 // Comparison Instructions...
3971 defm CMP : AI1_cmp_irs<0b1010, "cmp",
3972 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
3973 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
3975 // ARMcmpZ can re-use the above instruction definitions.
3976 def : ARMPat<(ARMcmpZ GPR:$src, so_imm:$imm),
3977 (CMPri GPR:$src, so_imm:$imm)>;
3978 def : ARMPat<(ARMcmpZ GPR:$src, GPR:$rhs),
3979 (CMPrr GPR:$src, GPR:$rhs)>;
3980 def : ARMPat<(ARMcmpZ GPR:$src, so_reg_imm:$rhs),
3981 (CMPrsi GPR:$src, so_reg_imm:$rhs)>;
3982 def : ARMPat<(ARMcmpZ GPR:$src, so_reg_reg:$rhs),
3983 (CMPrsr GPR:$src, so_reg_reg:$rhs)>;
3985 // CMN register-integer
3986 let isCompare = 1, Defs = [CPSR] in {
3987 def CMNri : AI1<0b1011, (outs), (ins GPR:$Rn, so_imm:$imm), DPFrm, IIC_iCMPi,
3988 "cmn", "\t$Rn, $imm",
3989 [(ARMcmn GPR:$Rn, so_imm:$imm)]> {
3994 let Inst{19-16} = Rn;
3995 let Inst{15-12} = 0b0000;
3996 let Inst{11-0} = imm;
3998 let Unpredictable{15-12} = 0b1111;
4001 // CMN register-register/shift
4002 def CMNzrr : AI1<0b1011, (outs), (ins GPR:$Rn, GPR:$Rm), DPFrm, IIC_iCMPr,
4003 "cmn", "\t$Rn, $Rm",
4004 [(BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>
4005 GPR:$Rn, GPR:$Rm)]> {
4008 let isCommutable = 1;
4011 let Inst{19-16} = Rn;
4012 let Inst{15-12} = 0b0000;
4013 let Inst{11-4} = 0b00000000;
4016 let Unpredictable{15-12} = 0b1111;
4019 def CMNzrsi : AI1<0b1011, (outs),
4020 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm, IIC_iCMPsr,
4021 "cmn", "\t$Rn, $shift",
4022 [(BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>
4023 GPR:$Rn, so_reg_imm:$shift)]> {
4028 let Inst{19-16} = Rn;
4029 let Inst{15-12} = 0b0000;
4030 let Inst{11-5} = shift{11-5};
4032 let Inst{3-0} = shift{3-0};
4034 let Unpredictable{15-12} = 0b1111;
4037 def CMNzrsr : AI1<0b1011, (outs),
4038 (ins GPRnopc:$Rn, so_reg_reg:$shift), DPSoRegRegFrm, IIC_iCMPsr,
4039 "cmn", "\t$Rn, $shift",
4040 [(BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>
4041 GPRnopc:$Rn, so_reg_reg:$shift)]> {
4046 let Inst{19-16} = Rn;
4047 let Inst{15-12} = 0b0000;
4048 let Inst{11-8} = shift{11-8};
4050 let Inst{6-5} = shift{6-5};
4052 let Inst{3-0} = shift{3-0};
4054 let Unpredictable{15-12} = 0b1111;
4059 def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
4060 (CMNri GPR:$src, so_imm_neg:$imm)>;
4062 def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
4063 (CMNri GPR:$src, so_imm_neg:$imm)>;
4065 // Note that TST/TEQ don't set all the same flags that CMP does!
4066 defm TST : AI1_cmp_irs<0b1000, "tst",
4067 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
4068 BinOpFrag<(ARMcmpZ (and_su node:$LHS, node:$RHS), 0)>, 1>;
4069 defm TEQ : AI1_cmp_irs<0b1001, "teq",
4070 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
4071 BinOpFrag<(ARMcmpZ (xor_su node:$LHS, node:$RHS), 0)>, 1>;
4073 // Pseudo i64 compares for some floating point compares.
4074 let usesCustomInserter = 1, isBranch = 1, isTerminator = 1,
4076 def BCCi64 : PseudoInst<(outs),
4077 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, brtarget:$dst),
4079 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, bb:$dst)]>;
4081 def BCCZi64 : PseudoInst<(outs),
4082 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, brtarget:$dst), IIC_Br,
4083 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, 0, 0, bb:$dst)]>;
4084 } // usesCustomInserter
4087 // Conditional moves
4088 // FIXME: should be able to write a pattern for ARMcmov, but can't use
4089 // a two-value operand where a dag node expects two operands. :(
4090 let neverHasSideEffects = 1 in {
4092 let isCommutable = 1, isSelect = 1 in
4093 def MOVCCr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$false, GPR:$Rm, pred:$p),
4095 [/*(set GPR:$Rd, (ARMcmov GPR:$false, GPR:$Rm, imm:$cc, CCR:$ccr))*/]>,
4096 RegConstraint<"$false = $Rd">;
4098 def MOVCCsi : ARMPseudoInst<(outs GPR:$Rd),
4099 (ins GPR:$false, so_reg_imm:$shift, pred:$p),
4101 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_reg_imm:$shift,
4102 imm:$cc, CCR:$ccr))*/]>,
4103 RegConstraint<"$false = $Rd">;
4104 def MOVCCsr : ARMPseudoInst<(outs GPR:$Rd),
4105 (ins GPR:$false, so_reg_reg:$shift, pred:$p),
4107 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_reg_reg:$shift,
4108 imm:$cc, CCR:$ccr))*/]>,
4109 RegConstraint<"$false = $Rd">;
4112 let isMoveImm = 1 in
4113 def MOVCCi16 : ARMPseudoInst<(outs GPR:$Rd),
4114 (ins GPR:$false, imm0_65535_expr:$imm, pred:$p),
4117 RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>;
4119 let isMoveImm = 1 in
4120 def MOVCCi : ARMPseudoInst<(outs GPR:$Rd),
4121 (ins GPR:$false, so_imm:$imm, pred:$p),
4123 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm:$imm, imm:$cc, CCR:$ccr))*/]>,
4124 RegConstraint<"$false = $Rd">;
4126 // Two instruction predicate mov immediate.
4127 let isMoveImm = 1 in
4128 def MOVCCi32imm : ARMPseudoInst<(outs GPR:$Rd),
4129 (ins GPR:$false, i32imm:$src, pred:$p),
4130 8, IIC_iCMOVix2, []>, RegConstraint<"$false = $Rd">;
4132 let isMoveImm = 1 in
4133 def MVNCCi : ARMPseudoInst<(outs GPR:$Rd),
4134 (ins GPR:$false, so_imm:$imm, pred:$p),
4136 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm_not:$imm, imm:$cc, CCR:$ccr))*/]>,
4137 RegConstraint<"$false = $Rd">;
4139 } // neverHasSideEffects
4142 //===----------------------------------------------------------------------===//
4143 // Atomic operations intrinsics
4146 def MemBarrierOptOperand : AsmOperandClass {
4147 let Name = "MemBarrierOpt";
4148 let ParserMethod = "parseMemBarrierOptOperand";
4150 def memb_opt : Operand<i32> {
4151 let PrintMethod = "printMemBOption";
4152 let ParserMatchClass = MemBarrierOptOperand;
4153 let DecoderMethod = "DecodeMemBarrierOption";
4156 // memory barriers protect the atomic sequences
4157 let hasSideEffects = 1 in {
4158 def DMB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
4159 "dmb", "\t$opt", [(ARMMemBarrier (i32 imm:$opt))]>,
4160 Requires<[IsARM, HasDB]> {
4162 let Inst{31-4} = 0xf57ff05;
4163 let Inst{3-0} = opt;
4167 def DSB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
4168 "dsb", "\t$opt", []>,
4169 Requires<[IsARM, HasDB]> {
4171 let Inst{31-4} = 0xf57ff04;
4172 let Inst{3-0} = opt;
4175 // ISB has only full system option
4176 def ISB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
4177 "isb", "\t$opt", []>,
4178 Requires<[IsARM, HasDB]> {
4180 let Inst{31-4} = 0xf57ff06;
4181 let Inst{3-0} = opt;
4184 // Pseudo instruction that combines movs + predicated rsbmi
4185 // to implement integer ABS
4186 let usesCustomInserter = 1, Defs = [CPSR] in
4187 def ABS : ARMPseudoInst<(outs GPR:$dst), (ins GPR:$src), 8, NoItinerary, []>;
4189 let usesCustomInserter = 1 in {
4190 let Defs = [CPSR] in {
4191 def ATOMIC_LOAD_ADD_I8 : PseudoInst<
4192 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4193 [(set GPR:$dst, (atomic_load_add_8 GPR:$ptr, GPR:$incr))]>;
4194 def ATOMIC_LOAD_SUB_I8 : PseudoInst<
4195 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4196 [(set GPR:$dst, (atomic_load_sub_8 GPR:$ptr, GPR:$incr))]>;
4197 def ATOMIC_LOAD_AND_I8 : PseudoInst<
4198 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4199 [(set GPR:$dst, (atomic_load_and_8 GPR:$ptr, GPR:$incr))]>;
4200 def ATOMIC_LOAD_OR_I8 : PseudoInst<
4201 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4202 [(set GPR:$dst, (atomic_load_or_8 GPR:$ptr, GPR:$incr))]>;
4203 def ATOMIC_LOAD_XOR_I8 : PseudoInst<
4204 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4205 [(set GPR:$dst, (atomic_load_xor_8 GPR:$ptr, GPR:$incr))]>;
4206 def ATOMIC_LOAD_NAND_I8 : PseudoInst<
4207 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4208 [(set GPR:$dst, (atomic_load_nand_8 GPR:$ptr, GPR:$incr))]>;
4209 def ATOMIC_LOAD_MIN_I8 : PseudoInst<
4210 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4211 [(set GPR:$dst, (atomic_load_min_8 GPR:$ptr, GPR:$val))]>;
4212 def ATOMIC_LOAD_MAX_I8 : PseudoInst<
4213 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4214 [(set GPR:$dst, (atomic_load_max_8 GPR:$ptr, GPR:$val))]>;
4215 def ATOMIC_LOAD_UMIN_I8 : PseudoInst<
4216 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4217 [(set GPR:$dst, (atomic_load_umin_8 GPR:$ptr, GPR:$val))]>;
4218 def ATOMIC_LOAD_UMAX_I8 : PseudoInst<
4219 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4220 [(set GPR:$dst, (atomic_load_umax_8 GPR:$ptr, GPR:$val))]>;
4221 def ATOMIC_LOAD_ADD_I16 : PseudoInst<
4222 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4223 [(set GPR:$dst, (atomic_load_add_16 GPR:$ptr, GPR:$incr))]>;
4224 def ATOMIC_LOAD_SUB_I16 : PseudoInst<
4225 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4226 [(set GPR:$dst, (atomic_load_sub_16 GPR:$ptr, GPR:$incr))]>;
4227 def ATOMIC_LOAD_AND_I16 : PseudoInst<
4228 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4229 [(set GPR:$dst, (atomic_load_and_16 GPR:$ptr, GPR:$incr))]>;
4230 def ATOMIC_LOAD_OR_I16 : PseudoInst<
4231 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4232 [(set GPR:$dst, (atomic_load_or_16 GPR:$ptr, GPR:$incr))]>;
4233 def ATOMIC_LOAD_XOR_I16 : PseudoInst<
4234 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4235 [(set GPR:$dst, (atomic_load_xor_16 GPR:$ptr, GPR:$incr))]>;
4236 def ATOMIC_LOAD_NAND_I16 : PseudoInst<
4237 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4238 [(set GPR:$dst, (atomic_load_nand_16 GPR:$ptr, GPR:$incr))]>;
4239 def ATOMIC_LOAD_MIN_I16 : PseudoInst<
4240 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4241 [(set GPR:$dst, (atomic_load_min_16 GPR:$ptr, GPR:$val))]>;
4242 def ATOMIC_LOAD_MAX_I16 : PseudoInst<
4243 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4244 [(set GPR:$dst, (atomic_load_max_16 GPR:$ptr, GPR:$val))]>;
4245 def ATOMIC_LOAD_UMIN_I16 : PseudoInst<
4246 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4247 [(set GPR:$dst, (atomic_load_umin_16 GPR:$ptr, GPR:$val))]>;
4248 def ATOMIC_LOAD_UMAX_I16 : PseudoInst<
4249 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4250 [(set GPR:$dst, (atomic_load_umax_16 GPR:$ptr, GPR:$val))]>;
4251 def ATOMIC_LOAD_ADD_I32 : PseudoInst<
4252 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4253 [(set GPR:$dst, (atomic_load_add_32 GPR:$ptr, GPR:$incr))]>;
4254 def ATOMIC_LOAD_SUB_I32 : PseudoInst<
4255 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4256 [(set GPR:$dst, (atomic_load_sub_32 GPR:$ptr, GPR:$incr))]>;
4257 def ATOMIC_LOAD_AND_I32 : PseudoInst<
4258 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4259 [(set GPR:$dst, (atomic_load_and_32 GPR:$ptr, GPR:$incr))]>;
4260 def ATOMIC_LOAD_OR_I32 : PseudoInst<
4261 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4262 [(set GPR:$dst, (atomic_load_or_32 GPR:$ptr, GPR:$incr))]>;
4263 def ATOMIC_LOAD_XOR_I32 : PseudoInst<
4264 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4265 [(set GPR:$dst, (atomic_load_xor_32 GPR:$ptr, GPR:$incr))]>;
4266 def ATOMIC_LOAD_NAND_I32 : PseudoInst<
4267 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4268 [(set GPR:$dst, (atomic_load_nand_32 GPR:$ptr, GPR:$incr))]>;
4269 def ATOMIC_LOAD_MIN_I32 : PseudoInst<
4270 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4271 [(set GPR:$dst, (atomic_load_min_32 GPR:$ptr, GPR:$val))]>;
4272 def ATOMIC_LOAD_MAX_I32 : PseudoInst<
4273 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4274 [(set GPR:$dst, (atomic_load_max_32 GPR:$ptr, GPR:$val))]>;
4275 def ATOMIC_LOAD_UMIN_I32 : PseudoInst<
4276 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4277 [(set GPR:$dst, (atomic_load_umin_32 GPR:$ptr, GPR:$val))]>;
4278 def ATOMIC_LOAD_UMAX_I32 : PseudoInst<
4279 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4280 [(set GPR:$dst, (atomic_load_umax_32 GPR:$ptr, GPR:$val))]>;
4282 def ATOMIC_SWAP_I8 : PseudoInst<
4283 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
4284 [(set GPR:$dst, (atomic_swap_8 GPR:$ptr, GPR:$new))]>;
4285 def ATOMIC_SWAP_I16 : PseudoInst<
4286 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
4287 [(set GPR:$dst, (atomic_swap_16 GPR:$ptr, GPR:$new))]>;
4288 def ATOMIC_SWAP_I32 : PseudoInst<
4289 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
4290 [(set GPR:$dst, (atomic_swap_32 GPR:$ptr, GPR:$new))]>;
4292 def ATOMIC_CMP_SWAP_I8 : PseudoInst<
4293 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
4294 [(set GPR:$dst, (atomic_cmp_swap_8 GPR:$ptr, GPR:$old, GPR:$new))]>;
4295 def ATOMIC_CMP_SWAP_I16 : PseudoInst<
4296 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
4297 [(set GPR:$dst, (atomic_cmp_swap_16 GPR:$ptr, GPR:$old, GPR:$new))]>;
4298 def ATOMIC_CMP_SWAP_I32 : PseudoInst<
4299 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
4300 [(set GPR:$dst, (atomic_cmp_swap_32 GPR:$ptr, GPR:$old, GPR:$new))]>;
4304 let usesCustomInserter = 1 in {
4305 def COPY_STRUCT_BYVAL_I32 : PseudoInst<
4306 (outs), (ins GPR:$dst, GPR:$src, i32imm:$size, i32imm:$alignment),
4308 [(ARMcopystructbyval GPR:$dst, GPR:$src, imm:$size, imm:$alignment)]>;
4311 let mayLoad = 1 in {
4312 def LDREXB : AIldrex<0b10, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4314 "ldrexb", "\t$Rt, $addr", []>;
4315 def LDREXH : AIldrex<0b11, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4316 NoItinerary, "ldrexh", "\t$Rt, $addr", []>;
4317 def LDREX : AIldrex<0b00, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4318 NoItinerary, "ldrex", "\t$Rt, $addr", []>;
4319 let hasExtraDefRegAllocReq = 1 in
4320 def LDREXD: AIldrex<0b01, (outs GPRPairOp:$Rt),(ins addr_offset_none:$addr),
4321 NoItinerary, "ldrexd", "\t$Rt, $addr", []> {
4322 let DecoderMethod = "DecodeDoubleRegLoad";
4326 let mayStore = 1, Constraints = "@earlyclobber $Rd" in {
4327 def STREXB: AIstrex<0b10, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4328 NoItinerary, "strexb", "\t$Rd, $Rt, $addr", []>;
4329 def STREXH: AIstrex<0b11, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4330 NoItinerary, "strexh", "\t$Rd, $Rt, $addr", []>;
4331 def STREX : AIstrex<0b00, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4332 NoItinerary, "strex", "\t$Rd, $Rt, $addr", []>;
4333 let hasExtraSrcRegAllocReq = 1 in
4334 def STREXD : AIstrex<0b01, (outs GPR:$Rd),
4335 (ins GPRPairOp:$Rt, addr_offset_none:$addr),
4336 NoItinerary, "strexd", "\t$Rd, $Rt, $addr", []> {
4337 let DecoderMethod = "DecodeDoubleRegStore";
4342 def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex", []>,
4343 Requires<[IsARM, HasV7]> {
4344 let Inst{31-0} = 0b11110101011111111111000000011111;
4347 // SWP/SWPB are deprecated in V6/V7.
4348 let mayLoad = 1, mayStore = 1 in {
4349 def SWP : AIswp<0, (outs GPRnopc:$Rt),
4350 (ins GPRnopc:$Rt2, addr_offset_none:$addr), "swp", []>;
4351 def SWPB: AIswp<1, (outs GPRnopc:$Rt),
4352 (ins GPRnopc:$Rt2, addr_offset_none:$addr), "swpb", []>;
4355 //===----------------------------------------------------------------------===//
4356 // Coprocessor Instructions.
4359 def CDP : ABI<0b1110, (outs), (ins p_imm:$cop, imm0_15:$opc1,
4360 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, imm0_7:$opc2),
4361 NoItinerary, "cdp", "\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
4362 [(int_arm_cdp imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
4363 imm:$CRm, imm:$opc2)]> {
4371 let Inst{3-0} = CRm;
4373 let Inst{7-5} = opc2;
4374 let Inst{11-8} = cop;
4375 let Inst{15-12} = CRd;
4376 let Inst{19-16} = CRn;
4377 let Inst{23-20} = opc1;
4380 def CDP2 : ABXI<0b1110, (outs), (ins pf_imm:$cop, imm0_15:$opc1,
4381 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, imm0_7:$opc2),
4382 NoItinerary, "cdp2\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
4383 [(int_arm_cdp2 imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
4384 imm:$CRm, imm:$opc2)]> {
4385 let Inst{31-28} = 0b1111;
4393 let Inst{3-0} = CRm;
4395 let Inst{7-5} = opc2;
4396 let Inst{11-8} = cop;
4397 let Inst{15-12} = CRd;
4398 let Inst{19-16} = CRn;
4399 let Inst{23-20} = opc1;
4402 class ACI<dag oops, dag iops, string opc, string asm,
4403 IndexMode im = IndexModeNone>
4404 : I<oops, iops, AddrModeNone, 4, im, BrFrm, NoItinerary,
4406 let Inst{27-25} = 0b110;
4408 class ACInoP<dag oops, dag iops, string opc, string asm,
4409 IndexMode im = IndexModeNone>
4410 : InoP<oops, iops, AddrModeNone, 4, im, BrFrm, NoItinerary,
4412 let Inst{31-28} = 0b1111;
4413 let Inst{27-25} = 0b110;
4415 multiclass LdStCop<bit load, bit Dbit, string asm> {
4416 def _OFFSET : ACI<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5:$addr),
4417 asm, "\t$cop, $CRd, $addr"> {
4421 let Inst{24} = 1; // P = 1
4422 let Inst{23} = addr{8};
4423 let Inst{22} = Dbit;
4424 let Inst{21} = 0; // W = 0
4425 let Inst{20} = load;
4426 let Inst{19-16} = addr{12-9};
4427 let Inst{15-12} = CRd;
4428 let Inst{11-8} = cop;
4429 let Inst{7-0} = addr{7-0};
4430 let DecoderMethod = "DecodeCopMemInstruction";
4432 def _PRE : ACI<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5:$addr),
4433 asm, "\t$cop, $CRd, $addr!", IndexModePre> {
4437 let Inst{24} = 1; // P = 1
4438 let Inst{23} = addr{8};
4439 let Inst{22} = Dbit;
4440 let Inst{21} = 1; // W = 1
4441 let Inst{20} = load;
4442 let Inst{19-16} = addr{12-9};
4443 let Inst{15-12} = CRd;
4444 let Inst{11-8} = cop;
4445 let Inst{7-0} = addr{7-0};
4446 let DecoderMethod = "DecodeCopMemInstruction";
4448 def _POST: ACI<(outs), (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
4449 postidx_imm8s4:$offset),
4450 asm, "\t$cop, $CRd, $addr, $offset", IndexModePost> {
4455 let Inst{24} = 0; // P = 0
4456 let Inst{23} = offset{8};
4457 let Inst{22} = Dbit;
4458 let Inst{21} = 1; // W = 1
4459 let Inst{20} = load;
4460 let Inst{19-16} = addr;
4461 let Inst{15-12} = CRd;
4462 let Inst{11-8} = cop;
4463 let Inst{7-0} = offset{7-0};
4464 let DecoderMethod = "DecodeCopMemInstruction";
4466 def _OPTION : ACI<(outs),
4467 (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
4468 coproc_option_imm:$option),
4469 asm, "\t$cop, $CRd, $addr, $option"> {
4474 let Inst{24} = 0; // P = 0
4475 let Inst{23} = 1; // U = 1
4476 let Inst{22} = Dbit;
4477 let Inst{21} = 0; // W = 0
4478 let Inst{20} = load;
4479 let Inst{19-16} = addr;
4480 let Inst{15-12} = CRd;
4481 let Inst{11-8} = cop;
4482 let Inst{7-0} = option;
4483 let DecoderMethod = "DecodeCopMemInstruction";
4486 multiclass LdSt2Cop<bit load, bit Dbit, string asm> {
4487 def _OFFSET : ACInoP<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5:$addr),
4488 asm, "\t$cop, $CRd, $addr"> {
4492 let Inst{24} = 1; // P = 1
4493 let Inst{23} = addr{8};
4494 let Inst{22} = Dbit;
4495 let Inst{21} = 0; // W = 0
4496 let Inst{20} = load;
4497 let Inst{19-16} = addr{12-9};
4498 let Inst{15-12} = CRd;
4499 let Inst{11-8} = cop;
4500 let Inst{7-0} = addr{7-0};
4501 let DecoderMethod = "DecodeCopMemInstruction";
4503 def _PRE : ACInoP<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5:$addr),
4504 asm, "\t$cop, $CRd, $addr!", IndexModePre> {
4508 let Inst{24} = 1; // P = 1
4509 let Inst{23} = addr{8};
4510 let Inst{22} = Dbit;
4511 let Inst{21} = 1; // W = 1
4512 let Inst{20} = load;
4513 let Inst{19-16} = addr{12-9};
4514 let Inst{15-12} = CRd;
4515 let Inst{11-8} = cop;
4516 let Inst{7-0} = addr{7-0};
4517 let DecoderMethod = "DecodeCopMemInstruction";
4519 def _POST: ACInoP<(outs), (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
4520 postidx_imm8s4:$offset),
4521 asm, "\t$cop, $CRd, $addr, $offset", IndexModePost> {
4526 let Inst{24} = 0; // P = 0
4527 let Inst{23} = offset{8};
4528 let Inst{22} = Dbit;
4529 let Inst{21} = 1; // W = 1
4530 let Inst{20} = load;
4531 let Inst{19-16} = addr;
4532 let Inst{15-12} = CRd;
4533 let Inst{11-8} = cop;
4534 let Inst{7-0} = offset{7-0};
4535 let DecoderMethod = "DecodeCopMemInstruction";
4537 def _OPTION : ACInoP<(outs),
4538 (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
4539 coproc_option_imm:$option),
4540 asm, "\t$cop, $CRd, $addr, $option"> {
4545 let Inst{24} = 0; // P = 0
4546 let Inst{23} = 1; // U = 1
4547 let Inst{22} = Dbit;
4548 let Inst{21} = 0; // W = 0
4549 let Inst{20} = load;
4550 let Inst{19-16} = addr;
4551 let Inst{15-12} = CRd;
4552 let Inst{11-8} = cop;
4553 let Inst{7-0} = option;
4554 let DecoderMethod = "DecodeCopMemInstruction";
4558 defm LDC : LdStCop <1, 0, "ldc">;
4559 defm LDCL : LdStCop <1, 1, "ldcl">;
4560 defm STC : LdStCop <0, 0, "stc">;
4561 defm STCL : LdStCop <0, 1, "stcl">;
4562 defm LDC2 : LdSt2Cop<1, 0, "ldc2">;
4563 defm LDC2L : LdSt2Cop<1, 1, "ldc2l">;
4564 defm STC2 : LdSt2Cop<0, 0, "stc2">;
4565 defm STC2L : LdSt2Cop<0, 1, "stc2l">;
4567 //===----------------------------------------------------------------------===//
4568 // Move between coprocessor and ARM core register.
4571 class MovRCopro<string opc, bit direction, dag oops, dag iops,
4573 : ABI<0b1110, oops, iops, NoItinerary, opc,
4574 "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2", pattern> {
4575 let Inst{20} = direction;
4585 let Inst{15-12} = Rt;
4586 let Inst{11-8} = cop;
4587 let Inst{23-21} = opc1;
4588 let Inst{7-5} = opc2;
4589 let Inst{3-0} = CRm;
4590 let Inst{19-16} = CRn;
4593 def MCR : MovRCopro<"mcr", 0 /* from ARM core register to coprocessor */,
4595 (ins p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
4596 c_imm:$CRm, imm0_7:$opc2),
4597 [(int_arm_mcr imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
4598 imm:$CRm, imm:$opc2)]>;
4599 def : ARMInstAlias<"mcr${p} $cop, $opc1, $Rt, $CRn, $CRm",
4600 (MCR p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
4601 c_imm:$CRm, 0, pred:$p)>;
4602 def MRC : MovRCopro<"mrc", 1 /* from coprocessor to ARM core register */,
4604 (ins p_imm:$cop, imm0_7:$opc1, c_imm:$CRn, c_imm:$CRm,
4606 def : ARMInstAlias<"mrc${p} $cop, $opc1, $Rt, $CRn, $CRm",
4607 (MRC GPR:$Rt, p_imm:$cop, imm0_7:$opc1, c_imm:$CRn,
4608 c_imm:$CRm, 0, pred:$p)>;
4610 def : ARMPat<(int_arm_mrc imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2),
4611 (MRC imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
4613 class MovRCopro2<string opc, bit direction, dag oops, dag iops,
4615 : ABXI<0b1110, oops, iops, NoItinerary,
4616 !strconcat(opc, "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2"), pattern> {
4617 let Inst{31-28} = 0b1111;
4618 let Inst{20} = direction;
4628 let Inst{15-12} = Rt;
4629 let Inst{11-8} = cop;
4630 let Inst{23-21} = opc1;
4631 let Inst{7-5} = opc2;
4632 let Inst{3-0} = CRm;
4633 let Inst{19-16} = CRn;
4636 def MCR2 : MovRCopro2<"mcr2", 0 /* from ARM core register to coprocessor */,
4638 (ins p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
4639 c_imm:$CRm, imm0_7:$opc2),
4640 [(int_arm_mcr2 imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
4641 imm:$CRm, imm:$opc2)]>;
4642 def : ARMInstAlias<"mcr2$ $cop, $opc1, $Rt, $CRn, $CRm",
4643 (MCR2 p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
4645 def MRC2 : MovRCopro2<"mrc2", 1 /* from coprocessor to ARM core register */,
4647 (ins p_imm:$cop, imm0_7:$opc1, c_imm:$CRn, c_imm:$CRm,
4649 def : ARMInstAlias<"mrc2$ $cop, $opc1, $Rt, $CRn, $CRm",
4650 (MRC2 GPR:$Rt, p_imm:$cop, imm0_7:$opc1, c_imm:$CRn,
4653 def : ARMV5TPat<(int_arm_mrc2 imm:$cop, imm:$opc1, imm:$CRn,
4654 imm:$CRm, imm:$opc2),
4655 (MRC2 imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
4657 class MovRRCopro<string opc, bit direction, list<dag> pattern = []>
4658 : ABI<0b1100, (outs), (ins p_imm:$cop, imm0_15:$opc1,
4659 GPRnopc:$Rt, GPRnopc:$Rt2, c_imm:$CRm),
4660 NoItinerary, opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm", pattern> {
4661 let Inst{23-21} = 0b010;
4662 let Inst{20} = direction;
4670 let Inst{15-12} = Rt;
4671 let Inst{19-16} = Rt2;
4672 let Inst{11-8} = cop;
4673 let Inst{7-4} = opc1;
4674 let Inst{3-0} = CRm;
4677 def MCRR : MovRRCopro<"mcrr", 0 /* from ARM core register to coprocessor */,
4678 [(int_arm_mcrr imm:$cop, imm:$opc1, GPRnopc:$Rt,
4679 GPRnopc:$Rt2, imm:$CRm)]>;
4680 def MRRC : MovRRCopro<"mrrc", 1 /* from coprocessor to ARM core register */>;
4682 class MovRRCopro2<string opc, bit direction, list<dag> pattern = []>
4683 : ABXI<0b1100, (outs), (ins p_imm:$cop, imm0_15:$opc1,
4684 GPRnopc:$Rt, GPRnopc:$Rt2, c_imm:$CRm), NoItinerary,
4685 !strconcat(opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm"), pattern> {
4686 let Inst{31-28} = 0b1111;
4687 let Inst{23-21} = 0b010;
4688 let Inst{20} = direction;
4696 let Inst{15-12} = Rt;
4697 let Inst{19-16} = Rt2;
4698 let Inst{11-8} = cop;
4699 let Inst{7-4} = opc1;
4700 let Inst{3-0} = CRm;
4702 let DecoderMethod = "DecodeMRRC2";
4705 def MCRR2 : MovRRCopro2<"mcrr2", 0 /* from ARM core register to coprocessor */,
4706 [(int_arm_mcrr2 imm:$cop, imm:$opc1, GPRnopc:$Rt,
4707 GPRnopc:$Rt2, imm:$CRm)]>;
4708 def MRRC2 : MovRRCopro2<"mrrc2", 1 /* from coprocessor to ARM core register */>;
4710 //===----------------------------------------------------------------------===//
4711 // Move between special register and ARM core register
4714 // Move to ARM core register from Special Register
4715 def MRS : ABI<0b0001, (outs GPRnopc:$Rd), (ins), NoItinerary,
4716 "mrs", "\t$Rd, apsr", []> {
4718 let Inst{23-16} = 0b00001111;
4719 let Unpredictable{19-17} = 0b111;
4721 let Inst{15-12} = Rd;
4723 let Inst{11-0} = 0b000000000000;
4724 let Unpredictable{11-0} = 0b110100001111;
4727 def : InstAlias<"mrs${p} $Rd, cpsr", (MRS GPRnopc:$Rd, pred:$p)>,
4730 // The MRSsys instruction is the MRS instruction from the ARM ARM,
4731 // section B9.3.9, with the R bit set to 1.
4732 def MRSsys : ABI<0b0001, (outs GPRnopc:$Rd), (ins), NoItinerary,
4733 "mrs", "\t$Rd, spsr", []> {
4735 let Inst{23-16} = 0b01001111;
4736 let Unpredictable{19-16} = 0b1111;
4738 let Inst{15-12} = Rd;
4740 let Inst{11-0} = 0b000000000000;
4741 let Unpredictable{11-0} = 0b110100001111;
4744 // Move from ARM core register to Special Register
4746 // No need to have both system and application versions, the encodings are the
4747 // same and the assembly parser has no way to distinguish between them. The mask
4748 // operand contains the special register (R Bit) in bit 4 and bits 3-0 contains
4749 // the mask with the fields to be accessed in the special register.
4750 def MSR : ABI<0b0001, (outs), (ins msr_mask:$mask, GPR:$Rn), NoItinerary,
4751 "msr", "\t$mask, $Rn", []> {
4756 let Inst{22} = mask{4}; // R bit
4757 let Inst{21-20} = 0b10;
4758 let Inst{19-16} = mask{3-0};
4759 let Inst{15-12} = 0b1111;
4760 let Inst{11-4} = 0b00000000;
4764 def MSRi : ABI<0b0011, (outs), (ins msr_mask:$mask, so_imm:$a), NoItinerary,
4765 "msr", "\t$mask, $a", []> {
4770 let Inst{22} = mask{4}; // R bit
4771 let Inst{21-20} = 0b10;
4772 let Inst{19-16} = mask{3-0};
4773 let Inst{15-12} = 0b1111;
4777 //===----------------------------------------------------------------------===//
4781 // __aeabi_read_tp preserves the registers r1-r3.
4782 // This is a pseudo inst so that we can get the encoding right,
4783 // complete with fixup for the aeabi_read_tp function.
4785 Defs = [R0, R12, LR, CPSR], Uses = [SP] in {
4786 def TPsoft : PseudoInst<(outs), (ins), IIC_Br,
4787 [(set R0, ARMthread_pointer)]>;
4790 //===----------------------------------------------------------------------===//
4791 // SJLJ Exception handling intrinsics
4792 // eh_sjlj_setjmp() is an instruction sequence to store the return
4793 // address and save #0 in R0 for the non-longjmp case.
4794 // Since by its nature we may be coming from some other function to get
4795 // here, and we're using the stack frame for the containing function to
4796 // save/restore registers, we can't keep anything live in regs across
4797 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
4798 // when we get here from a longjmp(). We force everything out of registers
4799 // except for our own input by listing the relevant registers in Defs. By
4800 // doing so, we also cause the prologue/epilogue code to actively preserve
4801 // all of the callee-saved resgisters, which is exactly what we want.
4802 // A constant value is passed in $val, and we use the location as a scratch.
4804 // These are pseudo-instructions and are lowered to individual MC-insts, so
4805 // no encoding information is necessary.
4807 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR,
4808 Q0, Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8, Q9, Q10, Q11, Q12, Q13, Q14, Q15 ],
4809 hasSideEffects = 1, isBarrier = 1, usesCustomInserter = 1 in {
4810 def Int_eh_sjlj_setjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
4812 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
4813 Requires<[IsARM, HasVFP2]>;
4817 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR ],
4818 hasSideEffects = 1, isBarrier = 1, usesCustomInserter = 1 in {
4819 def Int_eh_sjlj_setjmp_nofp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
4821 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
4822 Requires<[IsARM, NoVFP]>;
4825 // FIXME: Non-IOS version(s)
4826 let isBarrier = 1, hasSideEffects = 1, isTerminator = 1,
4827 Defs = [ R7, LR, SP ] in {
4828 def Int_eh_sjlj_longjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$scratch),
4830 [(ARMeh_sjlj_longjmp GPR:$src, GPR:$scratch)]>,
4831 Requires<[IsARM, IsIOS]>;
4834 // eh.sjlj.dispatchsetup pseudo-instruction.
4835 // This pseudo is used for both ARM and Thumb. Any differences are handled when
4836 // the pseudo is expanded (which happens before any passes that need the
4837 // instruction size).
4838 let isBarrier = 1 in
4839 def Int_eh_sjlj_dispatchsetup : PseudoInst<(outs), (ins), NoItinerary, []>;
4842 //===----------------------------------------------------------------------===//
4843 // Non-Instruction Patterns
4846 // ARMv4 indirect branch using (MOVr PC, dst)
4847 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in
4848 def MOVPCRX : ARMPseudoExpand<(outs), (ins GPR:$dst),
4849 4, IIC_Br, [(brind GPR:$dst)],
4850 (MOVr PC, GPR:$dst, (ops 14, zero_reg), zero_reg)>,
4851 Requires<[IsARM, NoV4T]>;
4853 // Large immediate handling.
4855 // 32-bit immediate using two piece so_imms or movw + movt.
4856 // This is a single pseudo instruction, the benefit is that it can be remat'd
4857 // as a single unit instead of having to handle reg inputs.
4858 // FIXME: Remove this when we can do generalized remat.
4859 let isReMaterializable = 1, isMoveImm = 1 in
4860 def MOVi32imm : PseudoInst<(outs GPR:$dst), (ins i32imm:$src), IIC_iMOVix2,
4861 [(set GPR:$dst, (arm_i32imm:$src))]>,
4864 // Pseudo instruction that combines movw + movt + add pc (if PIC).
4865 // It also makes it possible to rematerialize the instructions.
4866 // FIXME: Remove this when we can do generalized remat and when machine licm
4867 // can properly the instructions.
4868 let isReMaterializable = 1 in {
4869 def MOV_ga_pcrel : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
4871 [(set GPR:$dst, (ARMWrapperPIC tglobaladdr:$addr))]>,
4872 Requires<[IsARM, UseMovt]>;
4874 def MOV_ga_dyn : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
4876 [(set GPR:$dst, (ARMWrapperDYN tglobaladdr:$addr))]>,
4877 Requires<[IsARM, UseMovt]>;
4879 let AddedComplexity = 10 in
4880 def MOV_ga_pcrel_ldr : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
4882 [(set GPR:$dst, (load (ARMWrapperPIC tglobaladdr:$addr)))]>,
4883 Requires<[IsARM, UseMovt]>;
4884 } // isReMaterializable
4886 // ConstantPool, GlobalAddress, and JumpTable
4887 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>,
4888 Requires<[IsARM, DontUseMovt]>;
4889 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
4890 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
4891 Requires<[IsARM, UseMovt]>;
4892 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
4893 (LEApcrelJT tjumptable:$dst, imm:$id)>;
4895 // TODO: add,sub,and, 3-instr forms?
4897 // Tail calls. These patterns also apply to Thumb mode.
4898 def : Pat<(ARMtcret tcGPR:$dst), (TCRETURNri tcGPR:$dst)>;
4899 def : Pat<(ARMtcret (i32 tglobaladdr:$dst)), (TCRETURNdi texternalsym:$dst)>;
4900 def : Pat<(ARMtcret (i32 texternalsym:$dst)), (TCRETURNdi texternalsym:$dst)>;
4903 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>;
4904 def : ARMPat<(ARMcall_nolink texternalsym:$func),
4905 (BMOVPCB_CALL texternalsym:$func)>;
4907 // zextload i1 -> zextload i8
4908 def : ARMPat<(zextloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
4909 def : ARMPat<(zextloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
4911 // extload -> zextload
4912 def : ARMPat<(extloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
4913 def : ARMPat<(extloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
4914 def : ARMPat<(extloadi8 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
4915 def : ARMPat<(extloadi8 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
4917 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
4919 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
4920 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
4923 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
4924 (sra (shl GPR:$b, (i32 16)), (i32 16))),
4925 (SMULBB GPR:$a, GPR:$b)>;
4926 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
4927 (SMULBB GPR:$a, GPR:$b)>;
4928 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
4929 (sra GPR:$b, (i32 16))),
4930 (SMULBT GPR:$a, GPR:$b)>;
4931 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
4932 (SMULBT GPR:$a, GPR:$b)>;
4933 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
4934 (sra (shl GPR:$b, (i32 16)), (i32 16))),
4935 (SMULTB GPR:$a, GPR:$b)>;
4936 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
4937 (SMULTB GPR:$a, GPR:$b)>;
4938 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
4940 (SMULWB GPR:$a, GPR:$b)>;
4941 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
4942 (SMULWB GPR:$a, GPR:$b)>;
4944 def : ARMV5MOPat<(add GPR:$acc,
4945 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
4946 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
4947 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
4948 def : ARMV5MOPat<(add GPR:$acc,
4949 (mul sext_16_node:$a, sext_16_node:$b)),
4950 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
4951 def : ARMV5MOPat<(add GPR:$acc,
4952 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
4953 (sra GPR:$b, (i32 16)))),
4954 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
4955 def : ARMV5MOPat<(add GPR:$acc,
4956 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
4957 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
4958 def : ARMV5MOPat<(add GPR:$acc,
4959 (mul (sra GPR:$a, (i32 16)),
4960 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
4961 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
4962 def : ARMV5MOPat<(add GPR:$acc,
4963 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
4964 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
4965 def : ARMV5MOPat<(add GPR:$acc,
4966 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
4968 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
4969 def : ARMV5MOPat<(add GPR:$acc,
4970 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
4971 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
4974 // Pre-v7 uses MCR for synchronization barriers.
4975 def : ARMPat<(ARMMemBarrierMCR GPR:$zero), (MCR 15, 0, GPR:$zero, 7, 10, 5)>,
4976 Requires<[IsARM, HasV6]>;
4978 // SXT/UXT with no rotate
4979 let AddedComplexity = 16 in {
4980 def : ARMV6Pat<(and GPR:$Src, 0x000000FF), (UXTB GPR:$Src, 0)>;
4981 def : ARMV6Pat<(and GPR:$Src, 0x0000FFFF), (UXTH GPR:$Src, 0)>;
4982 def : ARMV6Pat<(and GPR:$Src, 0x00FF00FF), (UXTB16 GPR:$Src, 0)>;
4983 def : ARMV6Pat<(add GPR:$Rn, (and GPR:$Rm, 0x00FF)),
4984 (UXTAB GPR:$Rn, GPR:$Rm, 0)>;
4985 def : ARMV6Pat<(add GPR:$Rn, (and GPR:$Rm, 0xFFFF)),
4986 (UXTAH GPR:$Rn, GPR:$Rm, 0)>;
4989 def : ARMV6Pat<(sext_inreg GPR:$Src, i8), (SXTB GPR:$Src, 0)>;
4990 def : ARMV6Pat<(sext_inreg GPR:$Src, i16), (SXTH GPR:$Src, 0)>;
4992 def : ARMV6Pat<(add GPR:$Rn, (sext_inreg GPRnopc:$Rm, i8)),
4993 (SXTAB GPR:$Rn, GPRnopc:$Rm, 0)>;
4994 def : ARMV6Pat<(add GPR:$Rn, (sext_inreg GPRnopc:$Rm, i16)),
4995 (SXTAH GPR:$Rn, GPRnopc:$Rm, 0)>;
4997 // Atomic load/store patterns
4998 def : ARMPat<(atomic_load_8 ldst_so_reg:$src),
4999 (LDRBrs ldst_so_reg:$src)>;
5000 def : ARMPat<(atomic_load_8 addrmode_imm12:$src),
5001 (LDRBi12 addrmode_imm12:$src)>;
5002 def : ARMPat<(atomic_load_16 addrmode3:$src),
5003 (LDRH addrmode3:$src)>;
5004 def : ARMPat<(atomic_load_32 ldst_so_reg:$src),
5005 (LDRrs ldst_so_reg:$src)>;
5006 def : ARMPat<(atomic_load_32 addrmode_imm12:$src),
5007 (LDRi12 addrmode_imm12:$src)>;
5008 def : ARMPat<(atomic_store_8 ldst_so_reg:$ptr, GPR:$val),
5009 (STRBrs GPR:$val, ldst_so_reg:$ptr)>;
5010 def : ARMPat<(atomic_store_8 addrmode_imm12:$ptr, GPR:$val),
5011 (STRBi12 GPR:$val, addrmode_imm12:$ptr)>;
5012 def : ARMPat<(atomic_store_16 addrmode3:$ptr, GPR:$val),
5013 (STRH GPR:$val, addrmode3:$ptr)>;
5014 def : ARMPat<(atomic_store_32 ldst_so_reg:$ptr, GPR:$val),
5015 (STRrs GPR:$val, ldst_so_reg:$ptr)>;
5016 def : ARMPat<(atomic_store_32 addrmode_imm12:$ptr, GPR:$val),
5017 (STRi12 GPR:$val, addrmode_imm12:$ptr)>;
5020 //===----------------------------------------------------------------------===//
5024 include "ARMInstrThumb.td"
5026 //===----------------------------------------------------------------------===//
5030 include "ARMInstrThumb2.td"
5032 //===----------------------------------------------------------------------===//
5033 // Floating Point Support
5036 include "ARMInstrVFP.td"
5038 //===----------------------------------------------------------------------===//
5039 // Advanced SIMD (NEON) Support
5042 include "ARMInstrNEON.td"
5044 //===----------------------------------------------------------------------===//
5045 // Assembler aliases
5049 def : InstAlias<"dmb", (DMB 0xf)>, Requires<[IsARM, HasDB]>;
5050 def : InstAlias<"dsb", (DSB 0xf)>, Requires<[IsARM, HasDB]>;
5051 def : InstAlias<"isb", (ISB 0xf)>, Requires<[IsARM, HasDB]>;
5053 // System instructions
5054 def : MnemonicAlias<"swi", "svc">;
5056 // Load / Store Multiple
5057 def : MnemonicAlias<"ldmfd", "ldm">;
5058 def : MnemonicAlias<"ldmia", "ldm">;
5059 def : MnemonicAlias<"ldmea", "ldmdb">;
5060 def : MnemonicAlias<"stmfd", "stmdb">;
5061 def : MnemonicAlias<"stmia", "stm">;
5062 def : MnemonicAlias<"stmea", "stm">;
5064 // PKHBT/PKHTB with default shift amount. PKHTB is equivalent to PKHBT when the
5065 // shift amount is zero (i.e., unspecified).
5066 def : InstAlias<"pkhbt${p} $Rd, $Rn, $Rm",
5067 (PKHBT GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, 0, pred:$p)>,
5068 Requires<[IsARM, HasV6]>;
5069 def : InstAlias<"pkhtb${p} $Rd, $Rn, $Rm",
5070 (PKHBT GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, 0, pred:$p)>,
5071 Requires<[IsARM, HasV6]>;
5073 // PUSH/POP aliases for STM/LDM
5074 def : ARMInstAlias<"push${p} $regs", (STMDB_UPD SP, pred:$p, reglist:$regs)>;
5075 def : ARMInstAlias<"pop${p} $regs", (LDMIA_UPD SP, pred:$p, reglist:$regs)>;
5077 // SSAT/USAT optional shift operand.
5078 def : ARMInstAlias<"ssat${p} $Rd, $sat_imm, $Rn",
5079 (SSAT GPRnopc:$Rd, imm1_32:$sat_imm, GPRnopc:$Rn, 0, pred:$p)>;
5080 def : ARMInstAlias<"usat${p} $Rd, $sat_imm, $Rn",
5081 (USAT GPRnopc:$Rd, imm0_31:$sat_imm, GPRnopc:$Rn, 0, pred:$p)>;
5084 // Extend instruction optional rotate operand.
5085 def : ARMInstAlias<"sxtab${p} $Rd, $Rn, $Rm",
5086 (SXTAB GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5087 def : ARMInstAlias<"sxtah${p} $Rd, $Rn, $Rm",
5088 (SXTAH GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5089 def : ARMInstAlias<"sxtab16${p} $Rd, $Rn, $Rm",
5090 (SXTAB16 GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5091 def : ARMInstAlias<"sxtb${p} $Rd, $Rm",
5092 (SXTB GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5093 def : ARMInstAlias<"sxtb16${p} $Rd, $Rm",
5094 (SXTB16 GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5095 def : ARMInstAlias<"sxth${p} $Rd, $Rm",
5096 (SXTH GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5098 def : ARMInstAlias<"uxtab${p} $Rd, $Rn, $Rm",
5099 (UXTAB GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5100 def : ARMInstAlias<"uxtah${p} $Rd, $Rn, $Rm",
5101 (UXTAH GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5102 def : ARMInstAlias<"uxtab16${p} $Rd, $Rn, $Rm",
5103 (UXTAB16 GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5104 def : ARMInstAlias<"uxtb${p} $Rd, $Rm",
5105 (UXTB GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5106 def : ARMInstAlias<"uxtb16${p} $Rd, $Rm",
5107 (UXTB16 GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5108 def : ARMInstAlias<"uxth${p} $Rd, $Rm",
5109 (UXTH GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5113 def : MnemonicAlias<"rfefa", "rfeda">;
5114 def : MnemonicAlias<"rfeea", "rfedb">;
5115 def : MnemonicAlias<"rfefd", "rfeia">;
5116 def : MnemonicAlias<"rfeed", "rfeib">;
5117 def : MnemonicAlias<"rfe", "rfeia">;
5120 def : MnemonicAlias<"srsfa", "srsda">;
5121 def : MnemonicAlias<"srsea", "srsdb">;
5122 def : MnemonicAlias<"srsfd", "srsia">;
5123 def : MnemonicAlias<"srsed", "srsib">;
5124 def : MnemonicAlias<"srs", "srsia">;
5127 def : MnemonicAlias<"qsubaddx", "qsax">;
5129 def : MnemonicAlias<"saddsubx", "sasx">;
5130 // SHASX == SHADDSUBX
5131 def : MnemonicAlias<"shaddsubx", "shasx">;
5132 // SHSAX == SHSUBADDX
5133 def : MnemonicAlias<"shsubaddx", "shsax">;
5135 def : MnemonicAlias<"ssubaddx", "ssax">;
5137 def : MnemonicAlias<"uaddsubx", "uasx">;
5138 // UHASX == UHADDSUBX
5139 def : MnemonicAlias<"uhaddsubx", "uhasx">;
5140 // UHSAX == UHSUBADDX
5141 def : MnemonicAlias<"uhsubaddx", "uhsax">;
5142 // UQASX == UQADDSUBX
5143 def : MnemonicAlias<"uqaddsubx", "uqasx">;
5144 // UQSAX == UQSUBADDX
5145 def : MnemonicAlias<"uqsubaddx", "uqsax">;
5147 def : MnemonicAlias<"usubaddx", "usax">;
5149 // "mov Rd, so_imm_not" can be handled via "mvn" in assembly, just like
5151 def : ARMInstAlias<"mov${s}${p} $Rd, $imm",
5152 (MVNi rGPR:$Rd, so_imm_not:$imm, pred:$p, cc_out:$s)>;
5153 def : ARMInstAlias<"mvn${s}${p} $Rd, $imm",
5154 (MOVi rGPR:$Rd, so_imm_not:$imm, pred:$p, cc_out:$s)>;
5155 // Same for AND <--> BIC
5156 def : ARMInstAlias<"bic${s}${p} $Rd, $Rn, $imm",
5157 (ANDri rGPR:$Rd, rGPR:$Rn, so_imm_not:$imm,
5158 pred:$p, cc_out:$s)>;
5159 def : ARMInstAlias<"bic${s}${p} $Rdn, $imm",
5160 (ANDri rGPR:$Rdn, rGPR:$Rdn, so_imm_not:$imm,
5161 pred:$p, cc_out:$s)>;
5162 def : ARMInstAlias<"and${s}${p} $Rd, $Rn, $imm",
5163 (BICri rGPR:$Rd, rGPR:$Rn, so_imm_not:$imm,
5164 pred:$p, cc_out:$s)>;
5165 def : ARMInstAlias<"and${s}${p} $Rdn, $imm",
5166 (BICri rGPR:$Rdn, rGPR:$Rdn, so_imm_not:$imm,
5167 pred:$p, cc_out:$s)>;
5169 // Likewise, "add Rd, so_imm_neg" -> sub
5170 def : ARMInstAlias<"add${s}${p} $Rd, $Rn, $imm",
5171 (SUBri GPR:$Rd, GPR:$Rn, so_imm_neg:$imm, pred:$p, cc_out:$s)>;
5172 def : ARMInstAlias<"add${s}${p} $Rd, $imm",
5173 (SUBri GPR:$Rd, GPR:$Rd, so_imm_neg:$imm, pred:$p, cc_out:$s)>;
5174 // Same for CMP <--> CMN via so_imm_neg
5175 def : ARMInstAlias<"cmp${p} $Rd, $imm",
5176 (CMNri rGPR:$Rd, so_imm_neg:$imm, pred:$p)>;
5177 def : ARMInstAlias<"cmn${p} $Rd, $imm",
5178 (CMPri rGPR:$Rd, so_imm_neg:$imm, pred:$p)>;
5180 // The shifter forms of the MOV instruction are aliased to the ASR, LSL,
5181 // LSR, ROR, and RRX instructions.
5182 // FIXME: We need C++ parser hooks to map the alias to the MOV
5183 // encoding. It seems we should be able to do that sort of thing
5184 // in tblgen, but it could get ugly.
5185 let TwoOperandAliasConstraint = "$Rm = $Rd" in {
5186 def ASRi : ARMAsmPseudo<"asr${s}${p} $Rd, $Rm, $imm",
5187 (ins GPR:$Rd, GPR:$Rm, imm0_32:$imm, pred:$p,
5189 def LSRi : ARMAsmPseudo<"lsr${s}${p} $Rd, $Rm, $imm",
5190 (ins GPR:$Rd, GPR:$Rm, imm0_32:$imm, pred:$p,
5192 def LSLi : ARMAsmPseudo<"lsl${s}${p} $Rd, $Rm, $imm",
5193 (ins GPR:$Rd, GPR:$Rm, imm0_31:$imm, pred:$p,
5195 def RORi : ARMAsmPseudo<"ror${s}${p} $Rd, $Rm, $imm",
5196 (ins GPR:$Rd, GPR:$Rm, imm0_31:$imm, pred:$p,
5199 def RRXi : ARMAsmPseudo<"rrx${s}${p} $Rd, $Rm",
5200 (ins GPRnopc:$Rd, GPRnopc:$Rm, pred:$p, cc_out:$s)>;
5201 let TwoOperandAliasConstraint = "$Rn = $Rd" in {
5202 def ASRr : ARMAsmPseudo<"asr${s}${p} $Rd, $Rn, $Rm",
5203 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5205 def LSRr : ARMAsmPseudo<"lsr${s}${p} $Rd, $Rn, $Rm",
5206 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5208 def LSLr : ARMAsmPseudo<"lsl${s}${p} $Rd, $Rn, $Rm",
5209 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5211 def RORr : ARMAsmPseudo<"ror${s}${p} $Rd, $Rn, $Rm",
5212 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5216 // "neg" is and alias for "rsb rd, rn, #0"
5217 def : ARMInstAlias<"neg${s}${p} $Rd, $Rm",
5218 (RSBri GPR:$Rd, GPR:$Rm, 0, pred:$p, cc_out:$s)>;
5220 // Pre-v6, 'mov r0, r0' was used as a NOP encoding.
5221 def : InstAlias<"nop${p}", (MOVr R0, R0, pred:$p, zero_reg)>,
5222 Requires<[IsARM, NoV6]>;
5224 // UMULL/SMULL are available on all arches, but the instruction definitions
5225 // need difference constraints pre-v6. Use these aliases for the assembly
5226 // parsing on pre-v6.
5227 def : InstAlias<"smull${s}${p} $RdLo, $RdHi, $Rn, $Rm",
5228 (SMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
5229 Requires<[IsARM, NoV6]>;
5230 def : InstAlias<"umull${s}${p} $RdLo, $RdHi, $Rn, $Rm",
5231 (UMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
5232 Requires<[IsARM, NoV6]>;
5234 // 'it' blocks in ARM mode just validate the predicates. The IT itself
5236 def ITasm : ARMAsmPseudo<"it$mask $cc", (ins it_pred:$cc, it_mask:$mask)>;