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, 2,
37 [SDTCisPtrTy<0>, SDTCisVT<1, i32>]>;
39 def SDT_ARMBr2JT : SDTypeProfile<0, 3,
40 [SDTCisPtrTy<0>, SDTCisVT<1, i32>,
43 def SDT_ARMBCC_i64 : SDTypeProfile<0, 6,
45 SDTCisVT<1, i32>, SDTCisVT<2, i32>,
46 SDTCisVT<3, i32>, SDTCisVT<4, i32>,
47 SDTCisVT<5, OtherVT>]>;
49 def SDT_ARMAnd : SDTypeProfile<1, 2,
50 [SDTCisVT<0, i32>, SDTCisVT<1, i32>,
53 def SDT_ARMCmp : SDTypeProfile<0, 2, [SDTCisSameAs<0, 1>]>;
55 def SDT_ARMPICAdd : SDTypeProfile<1, 2, [SDTCisSameAs<0, 1>,
56 SDTCisPtrTy<1>, SDTCisVT<2, i32>]>;
58 def SDT_ARMThreadPointer : SDTypeProfile<1, 0, [SDTCisPtrTy<0>]>;
59 def SDT_ARMEH_SJLJ_Setjmp : SDTypeProfile<1, 2, [SDTCisInt<0>, SDTCisPtrTy<1>,
61 def SDT_ARMEH_SJLJ_Longjmp: SDTypeProfile<0, 2, [SDTCisPtrTy<0>, SDTCisInt<1>]>;
62 def SDT_ARMEH_SJLJ_SetupDispatch: SDTypeProfile<0, 0, []>;
64 def SDT_ARMMEMBARRIER : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
66 def SDT_ARMPREFETCH : SDTypeProfile<0, 3, [SDTCisPtrTy<0>, SDTCisSameAs<1, 2>,
69 def SDT_ARMTCRET : SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>;
71 def SDT_ARMBFI : SDTypeProfile<1, 3, [SDTCisVT<0, i32>, SDTCisVT<1, i32>,
72 SDTCisVT<2, i32>, SDTCisVT<3, i32>]>;
74 def SDT_WIN__DBZCHK : SDTypeProfile<0, 1, [SDTCisVT<0, i32>]>;
76 def SDT_ARMMEMCPY : SDTypeProfile<2, 3, [SDTCisVT<0, i32>, SDTCisVT<1, i32>,
77 SDTCisVT<2, i32>, SDTCisVT<3, i32>,
80 def SDTBinaryArithWithFlags : SDTypeProfile<2, 2,
83 SDTCisInt<0>, SDTCisVT<1, i32>]>;
85 // SDTBinaryArithWithFlagsInOut - RES1, CPSR = op LHS, RHS, CPSR
86 def SDTBinaryArithWithFlagsInOut : SDTypeProfile<2, 3,
94 def ARMWrapper : SDNode<"ARMISD::Wrapper", SDTIntUnaryOp>;
95 def ARMWrapperPIC : SDNode<"ARMISD::WrapperPIC", SDTIntUnaryOp>;
96 def ARMWrapperJT : SDNode<"ARMISD::WrapperJT", SDTIntUnaryOp>;
98 def ARMcallseq_start : SDNode<"ISD::CALLSEQ_START", SDT_ARMCallSeqStart,
99 [SDNPHasChain, SDNPSideEffect, SDNPOutGlue]>;
100 def ARMcallseq_end : SDNode<"ISD::CALLSEQ_END", SDT_ARMCallSeqEnd,
101 [SDNPHasChain, SDNPSideEffect,
102 SDNPOptInGlue, SDNPOutGlue]>;
103 def ARMcopystructbyval : SDNode<"ARMISD::COPY_STRUCT_BYVAL" ,
105 [SDNPHasChain, SDNPInGlue, SDNPOutGlue,
106 SDNPMayStore, SDNPMayLoad]>;
108 def ARMcall : SDNode<"ARMISD::CALL", SDT_ARMcall,
109 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
111 def ARMcall_pred : SDNode<"ARMISD::CALL_PRED", SDT_ARMcall,
112 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
114 def ARMcall_nolink : SDNode<"ARMISD::CALL_NOLINK", SDT_ARMcall,
115 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
118 def ARMretflag : SDNode<"ARMISD::RET_FLAG", SDTNone,
119 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
120 def ARMintretflag : SDNode<"ARMISD::INTRET_FLAG", SDT_ARMcall,
121 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
122 def ARMcmov : SDNode<"ARMISD::CMOV", SDT_ARMCMov,
125 def ARMssatnoshift : SDNode<"ARMISD::SSAT", SDTIntSatNoShOp, []>;
127 def ARMbrcond : SDNode<"ARMISD::BRCOND", SDT_ARMBrcond,
128 [SDNPHasChain, SDNPInGlue, SDNPOutGlue]>;
130 def ARMbrjt : SDNode<"ARMISD::BR_JT", SDT_ARMBrJT,
132 def ARMbr2jt : SDNode<"ARMISD::BR2_JT", SDT_ARMBr2JT,
135 def ARMBcci64 : SDNode<"ARMISD::BCC_i64", SDT_ARMBCC_i64,
138 def ARMcmp : SDNode<"ARMISD::CMP", SDT_ARMCmp,
141 def ARMcmn : SDNode<"ARMISD::CMN", SDT_ARMCmp,
144 def ARMcmpZ : SDNode<"ARMISD::CMPZ", SDT_ARMCmp,
145 [SDNPOutGlue, SDNPCommutative]>;
147 def ARMpic_add : SDNode<"ARMISD::PIC_ADD", SDT_ARMPICAdd>;
149 def ARMsrl_flag : SDNode<"ARMISD::SRL_FLAG", SDTIntUnaryOp, [SDNPOutGlue]>;
150 def ARMsra_flag : SDNode<"ARMISD::SRA_FLAG", SDTIntUnaryOp, [SDNPOutGlue]>;
151 def ARMrrx : SDNode<"ARMISD::RRX" , SDTIntUnaryOp, [SDNPInGlue ]>;
153 def ARMaddc : SDNode<"ARMISD::ADDC", SDTBinaryArithWithFlags,
155 def ARMsubc : SDNode<"ARMISD::SUBC", SDTBinaryArithWithFlags>;
156 def ARMadde : SDNode<"ARMISD::ADDE", SDTBinaryArithWithFlagsInOut>;
157 def ARMsube : SDNode<"ARMISD::SUBE", SDTBinaryArithWithFlagsInOut>;
159 def ARMthread_pointer: SDNode<"ARMISD::THREAD_POINTER", SDT_ARMThreadPointer>;
160 def ARMeh_sjlj_setjmp: SDNode<"ARMISD::EH_SJLJ_SETJMP",
161 SDT_ARMEH_SJLJ_Setjmp,
162 [SDNPHasChain, SDNPSideEffect]>;
163 def ARMeh_sjlj_longjmp: SDNode<"ARMISD::EH_SJLJ_LONGJMP",
164 SDT_ARMEH_SJLJ_Longjmp,
165 [SDNPHasChain, SDNPSideEffect]>;
166 def ARMeh_sjlj_setup_dispatch: SDNode<"ARMISD::EH_SJLJ_SETUP_DISPATCH",
167 SDT_ARMEH_SJLJ_SetupDispatch,
168 [SDNPHasChain, SDNPSideEffect]>;
170 def ARMMemBarrierMCR : SDNode<"ARMISD::MEMBARRIER_MCR", SDT_ARMMEMBARRIER,
171 [SDNPHasChain, SDNPSideEffect]>;
172 def ARMPreload : SDNode<"ARMISD::PRELOAD", SDT_ARMPREFETCH,
173 [SDNPHasChain, SDNPMayLoad, SDNPMayStore]>;
175 def ARMtcret : SDNode<"ARMISD::TC_RETURN", SDT_ARMTCRET,
176 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
178 def ARMbfi : SDNode<"ARMISD::BFI", SDT_ARMBFI>;
180 def ARMmemcopy : SDNode<"ARMISD::MEMCPY", SDT_ARMMEMCPY,
181 [SDNPHasChain, SDNPInGlue, SDNPOutGlue,
182 SDNPMayStore, SDNPMayLoad]>;
184 //===----------------------------------------------------------------------===//
185 // ARM Instruction Predicate Definitions.
187 def HasV4T : Predicate<"Subtarget->hasV4TOps()">,
188 AssemblerPredicate<"HasV4TOps", "armv4t">;
189 def NoV4T : Predicate<"!Subtarget->hasV4TOps()">;
190 def HasV5T : Predicate<"Subtarget->hasV5TOps()">,
191 AssemblerPredicate<"HasV5TOps", "armv5t">;
192 def HasV5TE : Predicate<"Subtarget->hasV5TEOps()">,
193 AssemblerPredicate<"HasV5TEOps", "armv5te">;
194 def HasV6 : Predicate<"Subtarget->hasV6Ops()">,
195 AssemblerPredicate<"HasV6Ops", "armv6">;
196 def NoV6 : Predicate<"!Subtarget->hasV6Ops()">;
197 def HasV6M : Predicate<"Subtarget->hasV6MOps()">,
198 AssemblerPredicate<"HasV6MOps",
199 "armv6m or armv6t2">;
200 def HasV8MBaseline : Predicate<"Subtarget->hasV8MBaselineOps()">,
201 AssemblerPredicate<"HasV8MBaselineOps",
203 def HasV8MMainline : Predicate<"Subtarget->hasV8MMainlineOps()">,
204 AssemblerPredicate<"HasV8MMainlineOps",
206 def HasV6T2 : Predicate<"Subtarget->hasV6T2Ops()">,
207 AssemblerPredicate<"HasV6T2Ops", "armv6t2">;
208 def NoV6T2 : Predicate<"!Subtarget->hasV6T2Ops()">;
209 def HasV6K : Predicate<"Subtarget->hasV6KOps()">,
210 AssemblerPredicate<"HasV6KOps", "armv6k">;
211 def NoV6K : Predicate<"!Subtarget->hasV6KOps()">;
212 def HasV7 : Predicate<"Subtarget->hasV7Ops()">,
213 AssemblerPredicate<"HasV7Ops", "armv7">;
214 def HasV8 : Predicate<"Subtarget->hasV8Ops()">,
215 AssemblerPredicate<"HasV8Ops", "armv8">;
216 def PreV8 : Predicate<"!Subtarget->hasV8Ops()">,
217 AssemblerPredicate<"!HasV8Ops", "armv7 or earlier">;
218 def HasV8_1a : Predicate<"Subtarget->hasV8_1aOps()">,
219 AssemblerPredicate<"HasV8_1aOps", "armv8.1a">;
220 def HasV8_2a : Predicate<"Subtarget->hasV8_2aOps()">,
221 AssemblerPredicate<"HasV8_2aOps", "armv8.2a">;
222 def NoVFP : Predicate<"!Subtarget->hasVFP2()">;
223 def HasVFP2 : Predicate<"Subtarget->hasVFP2()">,
224 AssemblerPredicate<"FeatureVFP2", "VFP2">;
225 def HasVFP3 : Predicate<"Subtarget->hasVFP3()">,
226 AssemblerPredicate<"FeatureVFP3", "VFP3">;
227 def HasVFP4 : Predicate<"Subtarget->hasVFP4()">,
228 AssemblerPredicate<"FeatureVFP4", "VFP4">;
229 def HasDPVFP : Predicate<"!Subtarget->isFPOnlySP()">,
230 AssemblerPredicate<"!FeatureVFPOnlySP",
231 "double precision VFP">;
232 def HasFPARMv8 : Predicate<"Subtarget->hasFPARMv8()">,
233 AssemblerPredicate<"FeatureFPARMv8", "FPARMv8">;
234 def HasNEON : Predicate<"Subtarget->hasNEON()">,
235 AssemblerPredicate<"FeatureNEON", "NEON">;
236 def HasCrypto : Predicate<"Subtarget->hasCrypto()">,
237 AssemblerPredicate<"FeatureCrypto", "crypto">;
238 def HasCRC : Predicate<"Subtarget->hasCRC()">,
239 AssemblerPredicate<"FeatureCRC", "crc">;
240 def HasRAS : Predicate<"Subtarget->hasRAS()">,
241 AssemblerPredicate<"FeatureRAS", "ras">;
242 def HasFP16 : Predicate<"Subtarget->hasFP16()">,
243 AssemblerPredicate<"FeatureFP16","half-float conversions">;
244 def HasFullFP16 : Predicate<"Subtarget->hasFullFP16()">,
245 AssemblerPredicate<"FeatureFullFP16","full half-float">;
246 def HasDivide : Predicate<"Subtarget->hasDivide()">,
247 AssemblerPredicate<"FeatureHWDiv", "divide in THUMB">;
248 def HasDivideInARM : Predicate<"Subtarget->hasDivideInARMMode()">,
249 AssemblerPredicate<"FeatureHWDivARM", "divide in ARM">;
250 def HasT2ExtractPack : Predicate<"Subtarget->hasT2ExtractPack()">,
251 AssemblerPredicate<"FeatureT2XtPk",
253 def HasDSP : Predicate<"Subtarget->hasDSP()">,
254 AssemblerPredicate<"FeatureDSP", "dsp">;
255 def HasDB : Predicate<"Subtarget->hasDataBarrier()">,
256 AssemblerPredicate<"FeatureDB",
258 def HasV7Clrex : Predicate<"Subtarget->hasV7Clrex()">,
259 AssemblerPredicate<"FeatureV7Clrex",
261 def HasAcquireRelease : Predicate<"Subtarget->hasAcquireRelease()">,
262 AssemblerPredicate<"FeatureAcquireRelease",
264 def HasMP : Predicate<"Subtarget->hasMPExtension()">,
265 AssemblerPredicate<"FeatureMP",
267 def HasVirtualization: Predicate<"false">,
268 AssemblerPredicate<"FeatureVirtualization",
269 "virtualization-extensions">;
270 def HasTrustZone : Predicate<"Subtarget->hasTrustZone()">,
271 AssemblerPredicate<"FeatureTrustZone",
273 def Has8MSecExt : Predicate<"Subtarget->has8MSecExt()">,
274 AssemblerPredicate<"Feature8MSecExt",
275 "ARMv8-M Security Extensions">;
276 def HasZCZ : Predicate<"Subtarget->hasZeroCycleZeroing()">;
277 def UseNEONForFP : Predicate<"Subtarget->useNEONForSinglePrecisionFP()">;
278 def DontUseNEONForFP : Predicate<"!Subtarget->useNEONForSinglePrecisionFP()">;
279 def IsThumb : Predicate<"Subtarget->isThumb()">,
280 AssemblerPredicate<"ModeThumb", "thumb">;
281 def IsThumb1Only : Predicate<"Subtarget->isThumb1Only()">;
282 def IsThumb2 : Predicate<"Subtarget->isThumb2()">,
283 AssemblerPredicate<"ModeThumb,FeatureThumb2",
285 def IsMClass : Predicate<"Subtarget->isMClass()">,
286 AssemblerPredicate<"FeatureMClass", "armv*m">;
287 def IsNotMClass : Predicate<"!Subtarget->isMClass()">,
288 AssemblerPredicate<"!FeatureMClass",
290 def IsARM : Predicate<"!Subtarget->isThumb()">,
291 AssemblerPredicate<"!ModeThumb", "arm-mode">;
292 def IsMachO : Predicate<"Subtarget->isTargetMachO()">;
293 def IsNotMachO : Predicate<"!Subtarget->isTargetMachO()">;
294 def IsNaCl : Predicate<"Subtarget->isTargetNaCl()">;
295 def IsWindows : Predicate<"Subtarget->isTargetWindows()">;
296 def IsNotWindows : Predicate<"!Subtarget->isTargetWindows()">;
297 def UseNaClTrap : Predicate<"Subtarget->useNaClTrap()">,
298 AssemblerPredicate<"FeatureNaClTrap", "NaCl">;
299 def DontUseNaClTrap : Predicate<"!Subtarget->useNaClTrap()">;
301 // FIXME: Eventually this will be just "hasV6T2Ops".
302 def UseMovt : Predicate<"Subtarget->useMovt(*MF)">;
303 def DontUseMovt : Predicate<"!Subtarget->useMovt(*MF)">;
304 def UseFPVMLx : Predicate<"Subtarget->useFPVMLx()">;
305 def UseMulOps : Predicate<"Subtarget->useMulOps()">;
307 // Prefer fused MAC for fp mul + add over fp VMLA / VMLS if they are available.
308 // But only select them if more precision in FP computation is allowed.
309 // Do not use them for Darwin platforms.
310 def UseFusedMAC : Predicate<"(TM.Options.AllowFPOpFusion =="
311 " FPOpFusion::Fast && "
312 " Subtarget->hasVFP4()) && "
313 "!Subtarget->isTargetDarwin()">;
314 def DontUseFusedMAC : Predicate<"!(TM.Options.AllowFPOpFusion =="
315 " FPOpFusion::Fast &&"
316 " Subtarget->hasVFP4()) || "
317 "Subtarget->isTargetDarwin()">;
319 def HasFastVGETLNi32 : Predicate<"!Subtarget->hasSlowVGETLNi32()">;
320 def HasSlowVGETLNi32 : Predicate<"Subtarget->hasSlowVGETLNi32()">;
322 def HasFastVDUP32 : Predicate<"!Subtarget->hasSlowVDUP32()">;
323 def HasSlowVDUP32 : Predicate<"Subtarget->hasSlowVDUP32()">;
325 def UseVMOVSR : Predicate<"Subtarget->preferVMOVSR() ||"
326 "!Subtarget->useNEONForSinglePrecisionFP()">;
327 def DontUseVMOVSR : Predicate<"!Subtarget->preferVMOVSR() &&"
328 "Subtarget->useNEONForSinglePrecisionFP()">;
330 def IsLE : Predicate<"MF->getDataLayout().isLittleEndian()">;
331 def IsBE : Predicate<"MF->getDataLayout().isBigEndian()">;
333 //===----------------------------------------------------------------------===//
334 // ARM Flag Definitions.
336 class RegConstraint<string C> {
337 string Constraints = C;
340 //===----------------------------------------------------------------------===//
341 // ARM specific transformation functions and pattern fragments.
344 // imm_neg_XFORM - Return the negation of an i32 immediate value.
345 def imm_neg_XFORM : SDNodeXForm<imm, [{
346 return CurDAG->getTargetConstant(-(int)N->getZExtValue(), SDLoc(N), MVT::i32);
349 // imm_not_XFORM - Return the complement of a i32 immediate value.
350 def imm_not_XFORM : SDNodeXForm<imm, [{
351 return CurDAG->getTargetConstant(~(int)N->getZExtValue(), SDLoc(N), MVT::i32);
354 /// imm16_31 predicate - True if the 32-bit immediate is in the range [16,31].
355 def imm16_31 : ImmLeaf<i32, [{
356 return (int32_t)Imm >= 16 && (int32_t)Imm < 32;
359 // sext_16_node predicate - True if the SDNode is sign-extended 16 or more bits.
360 def sext_16_node : PatLeaf<(i32 GPR:$a), [{
361 return CurDAG->ComputeNumSignBits(SDValue(N,0)) >= 17;
364 /// Split a 32-bit immediate into two 16 bit parts.
365 def hi16 : SDNodeXForm<imm, [{
366 return CurDAG->getTargetConstant((uint32_t)N->getZExtValue() >> 16, SDLoc(N),
370 def lo16AllZero : PatLeaf<(i32 imm), [{
371 // Returns true if all low 16-bits are 0.
372 return (((uint32_t)N->getZExtValue()) & 0xFFFFUL) == 0;
375 class BinOpFrag<dag res> : PatFrag<(ops node:$LHS, node:$RHS), res>;
376 class UnOpFrag <dag res> : PatFrag<(ops node:$Src), res>;
378 // An 'and' node with a single use.
379 def and_su : PatFrag<(ops node:$lhs, node:$rhs), (and node:$lhs, node:$rhs), [{
380 return N->hasOneUse();
383 // An 'xor' node with a single use.
384 def xor_su : PatFrag<(ops node:$lhs, node:$rhs), (xor node:$lhs, node:$rhs), [{
385 return N->hasOneUse();
388 // An 'fmul' node with a single use.
389 def fmul_su : PatFrag<(ops node:$lhs, node:$rhs), (fmul node:$lhs, node:$rhs),[{
390 return N->hasOneUse();
393 // An 'fadd' node which checks for single non-hazardous use.
394 def fadd_mlx : PatFrag<(ops node:$lhs, node:$rhs),(fadd node:$lhs, node:$rhs),[{
395 return hasNoVMLxHazardUse(N);
398 // An 'fsub' node which checks for single non-hazardous use.
399 def fsub_mlx : PatFrag<(ops node:$lhs, node:$rhs),(fsub node:$lhs, node:$rhs),[{
400 return hasNoVMLxHazardUse(N);
403 //===----------------------------------------------------------------------===//
404 // Operand Definitions.
407 // Immediate operands with a shared generic asm render method.
408 class ImmAsmOperand : AsmOperandClass { let RenderMethod = "addImmOperands"; }
410 // Operands that are part of a memory addressing mode.
411 class MemOperand : Operand<i32> { let OperandType = "OPERAND_MEMORY"; }
414 // FIXME: rename brtarget to t2_brtarget
415 def brtarget : Operand<OtherVT> {
416 let EncoderMethod = "getBranchTargetOpValue";
417 let OperandType = "OPERAND_PCREL";
418 let DecoderMethod = "DecodeT2BROperand";
421 // Branches targeting ARM-mode must be divisible by 4 if they're a raw
423 def ARMBranchTarget : AsmOperandClass {
424 let Name = "ARMBranchTarget";
427 // Branches targeting Thumb-mode must be divisible by 2 if they're a raw
429 def ThumbBranchTarget : AsmOperandClass {
430 let Name = "ThumbBranchTarget";
433 def arm_br_target : Operand<OtherVT> {
434 let ParserMatchClass = ARMBranchTarget;
435 let EncoderMethod = "getARMBranchTargetOpValue";
436 let OperandType = "OPERAND_PCREL";
439 // Call target for ARM. Handles conditional/unconditional
440 // FIXME: rename bl_target to t2_bltarget?
441 def arm_bl_target : Operand<i32> {
442 let ParserMatchClass = ARMBranchTarget;
443 let EncoderMethod = "getARMBLTargetOpValue";
444 let OperandType = "OPERAND_PCREL";
447 // Target for BLX *from* ARM mode.
448 def arm_blx_target : Operand<i32> {
449 let ParserMatchClass = ThumbBranchTarget;
450 let EncoderMethod = "getARMBLXTargetOpValue";
451 let OperandType = "OPERAND_PCREL";
454 // A list of registers separated by comma. Used by load/store multiple.
455 def RegListAsmOperand : AsmOperandClass { let Name = "RegList"; }
456 def reglist : Operand<i32> {
457 let EncoderMethod = "getRegisterListOpValue";
458 let ParserMatchClass = RegListAsmOperand;
459 let PrintMethod = "printRegisterList";
460 let DecoderMethod = "DecodeRegListOperand";
463 def GPRPairOp : RegisterOperand<GPRPair, "printGPRPairOperand">;
465 def DPRRegListAsmOperand : AsmOperandClass { let Name = "DPRRegList"; }
466 def dpr_reglist : Operand<i32> {
467 let EncoderMethod = "getRegisterListOpValue";
468 let ParserMatchClass = DPRRegListAsmOperand;
469 let PrintMethod = "printRegisterList";
470 let DecoderMethod = "DecodeDPRRegListOperand";
473 def SPRRegListAsmOperand : AsmOperandClass { let Name = "SPRRegList"; }
474 def spr_reglist : Operand<i32> {
475 let EncoderMethod = "getRegisterListOpValue";
476 let ParserMatchClass = SPRRegListAsmOperand;
477 let PrintMethod = "printRegisterList";
478 let DecoderMethod = "DecodeSPRRegListOperand";
481 // An operand for the CONSTPOOL_ENTRY pseudo-instruction.
482 def cpinst_operand : Operand<i32> {
483 let PrintMethod = "printCPInstOperand";
487 def pclabel : Operand<i32> {
488 let PrintMethod = "printPCLabel";
491 // ADR instruction labels.
492 def AdrLabelAsmOperand : AsmOperandClass { let Name = "AdrLabel"; }
493 def adrlabel : Operand<i32> {
494 let EncoderMethod = "getAdrLabelOpValue";
495 let ParserMatchClass = AdrLabelAsmOperand;
496 let PrintMethod = "printAdrLabelOperand<0>";
499 def neon_vcvt_imm32 : Operand<i32> {
500 let EncoderMethod = "getNEONVcvtImm32OpValue";
501 let DecoderMethod = "DecodeVCVTImmOperand";
504 // rot_imm: An integer that encodes a rotate amount. Must be 8, 16, or 24.
505 def rot_imm_XFORM: SDNodeXForm<imm, [{
506 switch (N->getZExtValue()){
507 default: llvm_unreachable(nullptr);
508 case 0: return CurDAG->getTargetConstant(0, SDLoc(N), MVT::i32);
509 case 8: return CurDAG->getTargetConstant(1, SDLoc(N), MVT::i32);
510 case 16: return CurDAG->getTargetConstant(2, SDLoc(N), MVT::i32);
511 case 24: return CurDAG->getTargetConstant(3, SDLoc(N), MVT::i32);
514 def RotImmAsmOperand : AsmOperandClass {
516 let ParserMethod = "parseRotImm";
518 def rot_imm : Operand<i32>, PatLeaf<(i32 imm), [{
519 int32_t v = N->getZExtValue();
520 return v == 8 || v == 16 || v == 24; }],
522 let PrintMethod = "printRotImmOperand";
523 let ParserMatchClass = RotImmAsmOperand;
526 // shift_imm: An integer that encodes a shift amount and the type of shift
527 // (asr or lsl). The 6-bit immediate encodes as:
530 // {4-0} imm5 shift amount.
531 // asr #32 encoded as imm5 == 0.
532 def ShifterImmAsmOperand : AsmOperandClass {
533 let Name = "ShifterImm";
534 let ParserMethod = "parseShifterImm";
536 def shift_imm : Operand<i32> {
537 let PrintMethod = "printShiftImmOperand";
538 let ParserMatchClass = ShifterImmAsmOperand;
541 // shifter_operand operands: so_reg_reg, so_reg_imm, and mod_imm.
542 def ShiftedRegAsmOperand : AsmOperandClass { let Name = "RegShiftedReg"; }
543 def so_reg_reg : Operand<i32>, // reg reg imm
544 ComplexPattern<i32, 3, "SelectRegShifterOperand",
545 [shl, srl, sra, rotr]> {
546 let EncoderMethod = "getSORegRegOpValue";
547 let PrintMethod = "printSORegRegOperand";
548 let DecoderMethod = "DecodeSORegRegOperand";
549 let ParserMatchClass = ShiftedRegAsmOperand;
550 let MIOperandInfo = (ops GPRnopc, GPRnopc, i32imm);
553 def ShiftedImmAsmOperand : AsmOperandClass { let Name = "RegShiftedImm"; }
554 def so_reg_imm : Operand<i32>, // reg imm
555 ComplexPattern<i32, 2, "SelectImmShifterOperand",
556 [shl, srl, sra, rotr]> {
557 let EncoderMethod = "getSORegImmOpValue";
558 let PrintMethod = "printSORegImmOperand";
559 let DecoderMethod = "DecodeSORegImmOperand";
560 let ParserMatchClass = ShiftedImmAsmOperand;
561 let MIOperandInfo = (ops GPR, i32imm);
564 // FIXME: Does this need to be distinct from so_reg?
565 def shift_so_reg_reg : Operand<i32>, // reg reg imm
566 ComplexPattern<i32, 3, "SelectShiftRegShifterOperand",
567 [shl,srl,sra,rotr]> {
568 let EncoderMethod = "getSORegRegOpValue";
569 let PrintMethod = "printSORegRegOperand";
570 let DecoderMethod = "DecodeSORegRegOperand";
571 let ParserMatchClass = ShiftedRegAsmOperand;
572 let MIOperandInfo = (ops GPR, GPR, i32imm);
575 // FIXME: Does this need to be distinct from so_reg?
576 def shift_so_reg_imm : Operand<i32>, // reg reg imm
577 ComplexPattern<i32, 2, "SelectShiftImmShifterOperand",
578 [shl,srl,sra,rotr]> {
579 let EncoderMethod = "getSORegImmOpValue";
580 let PrintMethod = "printSORegImmOperand";
581 let DecoderMethod = "DecodeSORegImmOperand";
582 let ParserMatchClass = ShiftedImmAsmOperand;
583 let MIOperandInfo = (ops GPR, i32imm);
586 // mod_imm: match a 32-bit immediate operand, which can be encoded into
587 // a 12-bit immediate; an 8-bit integer and a 4-bit rotator (See ARMARM
588 // - "Modified Immediate Constants"). Within the MC layer we keep this
589 // immediate in its encoded form.
590 def ModImmAsmOperand: AsmOperandClass {
592 let ParserMethod = "parseModImm";
594 def mod_imm : Operand<i32>, ImmLeaf<i32, [{
595 return ARM_AM::getSOImmVal(Imm) != -1;
597 let EncoderMethod = "getModImmOpValue";
598 let PrintMethod = "printModImmOperand";
599 let ParserMatchClass = ModImmAsmOperand;
602 // Note: the patterns mod_imm_not and mod_imm_neg do not require an encoder
603 // method and such, as they are only used on aliases (Pat<> and InstAlias<>).
604 // The actual parsing, encoding, decoding are handled by the destination
605 // instructions, which use mod_imm.
607 def ModImmNotAsmOperand : AsmOperandClass { let Name = "ModImmNot"; }
608 def mod_imm_not : Operand<i32>, PatLeaf<(imm), [{
609 return ARM_AM::getSOImmVal(~(uint32_t)N->getZExtValue()) != -1;
611 let ParserMatchClass = ModImmNotAsmOperand;
614 def ModImmNegAsmOperand : AsmOperandClass { let Name = "ModImmNeg"; }
615 def mod_imm_neg : Operand<i32>, PatLeaf<(imm), [{
616 unsigned Value = -(unsigned)N->getZExtValue();
617 return Value && ARM_AM::getSOImmVal(Value) != -1;
619 let ParserMatchClass = ModImmNegAsmOperand;
622 /// arm_i32imm - True for +V6T2, or when isSOImmTwoParVal()
623 def arm_i32imm : PatLeaf<(imm), [{
624 if (Subtarget->useMovt(*MF))
626 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
629 /// imm0_1 predicate - Immediate in the range [0,1].
630 def Imm0_1AsmOperand: ImmAsmOperand { let Name = "Imm0_1"; }
631 def imm0_1 : Operand<i32> { let ParserMatchClass = Imm0_1AsmOperand; }
633 /// imm0_3 predicate - Immediate in the range [0,3].
634 def Imm0_3AsmOperand: ImmAsmOperand { let Name = "Imm0_3"; }
635 def imm0_3 : Operand<i32> { let ParserMatchClass = Imm0_3AsmOperand; }
637 /// imm0_7 predicate - Immediate in the range [0,7].
638 def Imm0_7AsmOperand: ImmAsmOperand { let Name = "Imm0_7"; }
639 def imm0_7 : Operand<i32>, ImmLeaf<i32, [{
640 return Imm >= 0 && Imm < 8;
642 let ParserMatchClass = Imm0_7AsmOperand;
645 /// imm8 predicate - Immediate is exactly 8.
646 def Imm8AsmOperand: ImmAsmOperand { let Name = "Imm8"; }
647 def imm8 : Operand<i32>, ImmLeaf<i32, [{ return Imm == 8; }]> {
648 let ParserMatchClass = Imm8AsmOperand;
651 /// imm16 predicate - Immediate is exactly 16.
652 def Imm16AsmOperand: ImmAsmOperand { let Name = "Imm16"; }
653 def imm16 : Operand<i32>, ImmLeaf<i32, [{ return Imm == 16; }]> {
654 let ParserMatchClass = Imm16AsmOperand;
657 /// imm32 predicate - Immediate is exactly 32.
658 def Imm32AsmOperand: ImmAsmOperand { let Name = "Imm32"; }
659 def imm32 : Operand<i32>, ImmLeaf<i32, [{ return Imm == 32; }]> {
660 let ParserMatchClass = Imm32AsmOperand;
663 def imm8_or_16 : ImmLeaf<i32, [{ return Imm == 8 || Imm == 16;}]>;
665 /// imm1_7 predicate - Immediate in the range [1,7].
666 def Imm1_7AsmOperand: ImmAsmOperand { let Name = "Imm1_7"; }
667 def imm1_7 : Operand<i32>, ImmLeaf<i32, [{ return Imm > 0 && Imm < 8; }]> {
668 let ParserMatchClass = Imm1_7AsmOperand;
671 /// imm1_15 predicate - Immediate in the range [1,15].
672 def Imm1_15AsmOperand: ImmAsmOperand { let Name = "Imm1_15"; }
673 def imm1_15 : Operand<i32>, ImmLeaf<i32, [{ return Imm > 0 && Imm < 16; }]> {
674 let ParserMatchClass = Imm1_15AsmOperand;
677 /// imm1_31 predicate - Immediate in the range [1,31].
678 def Imm1_31AsmOperand: ImmAsmOperand { let Name = "Imm1_31"; }
679 def imm1_31 : Operand<i32>, ImmLeaf<i32, [{ return Imm > 0 && Imm < 32; }]> {
680 let ParserMatchClass = Imm1_31AsmOperand;
683 /// imm0_15 predicate - Immediate in the range [0,15].
684 def Imm0_15AsmOperand: ImmAsmOperand {
685 let Name = "Imm0_15";
686 let DiagnosticType = "ImmRange0_15";
688 def imm0_15 : Operand<i32>, ImmLeaf<i32, [{
689 return Imm >= 0 && Imm < 16;
691 let ParserMatchClass = Imm0_15AsmOperand;
694 /// imm0_31 predicate - True if the 32-bit immediate is in the range [0,31].
695 def Imm0_31AsmOperand: ImmAsmOperand { let Name = "Imm0_31"; }
696 def imm0_31 : Operand<i32>, ImmLeaf<i32, [{
697 return Imm >= 0 && Imm < 32;
699 let ParserMatchClass = Imm0_31AsmOperand;
702 /// imm0_32 predicate - True if the 32-bit immediate is in the range [0,32].
703 def Imm0_32AsmOperand: ImmAsmOperand { let Name = "Imm0_32"; }
704 def imm0_32 : Operand<i32>, ImmLeaf<i32, [{
705 return Imm >= 0 && Imm < 32;
707 let ParserMatchClass = Imm0_32AsmOperand;
710 /// imm0_63 predicate - True if the 32-bit immediate is in the range [0,63].
711 def Imm0_63AsmOperand: ImmAsmOperand { let Name = "Imm0_63"; }
712 def imm0_63 : Operand<i32>, ImmLeaf<i32, [{
713 return Imm >= 0 && Imm < 64;
715 let ParserMatchClass = Imm0_63AsmOperand;
718 /// imm0_239 predicate - Immediate in the range [0,239].
719 def Imm0_239AsmOperand : ImmAsmOperand {
720 let Name = "Imm0_239";
721 let DiagnosticType = "ImmRange0_239";
723 def imm0_239 : Operand<i32>, ImmLeaf<i32, [{ return Imm >= 0 && Imm < 240; }]> {
724 let ParserMatchClass = Imm0_239AsmOperand;
727 /// imm0_255 predicate - Immediate in the range [0,255].
728 def Imm0_255AsmOperand : ImmAsmOperand { let Name = "Imm0_255"; }
729 def imm0_255 : Operand<i32>, ImmLeaf<i32, [{ return Imm >= 0 && Imm < 256; }]> {
730 let ParserMatchClass = Imm0_255AsmOperand;
733 /// imm0_65535 - An immediate is in the range [0.65535].
734 def Imm0_65535AsmOperand: ImmAsmOperand { let Name = "Imm0_65535"; }
735 def imm0_65535 : Operand<i32>, ImmLeaf<i32, [{
736 return Imm >= 0 && Imm < 65536;
738 let ParserMatchClass = Imm0_65535AsmOperand;
741 // imm0_65535_neg - An immediate whose negative value is in the range [0.65535].
742 def imm0_65535_neg : Operand<i32>, ImmLeaf<i32, [{
743 return -Imm >= 0 && -Imm < 65536;
746 // imm0_65535_expr - For movt/movw - 16-bit immediate that can also reference
747 // a relocatable expression.
749 // FIXME: This really needs a Thumb version separate from the ARM version.
750 // While the range is the same, and can thus use the same match class,
751 // the encoding is different so it should have a different encoder method.
752 def Imm0_65535ExprAsmOperand: ImmAsmOperand { let Name = "Imm0_65535Expr"; }
753 def imm0_65535_expr : Operand<i32> {
754 let EncoderMethod = "getHiLo16ImmOpValue";
755 let ParserMatchClass = Imm0_65535ExprAsmOperand;
758 def Imm256_65535ExprAsmOperand: ImmAsmOperand { let Name = "Imm256_65535Expr"; }
759 def imm256_65535_expr : Operand<i32> {
760 let ParserMatchClass = Imm256_65535ExprAsmOperand;
763 /// imm24b - True if the 32-bit immediate is encodable in 24 bits.
764 def Imm24bitAsmOperand: ImmAsmOperand { let Name = "Imm24bit"; }
765 def imm24b : Operand<i32>, ImmLeaf<i32, [{
766 return Imm >= 0 && Imm <= 0xffffff;
768 let ParserMatchClass = Imm24bitAsmOperand;
772 /// bf_inv_mask_imm predicate - An AND mask to clear an arbitrary width bitfield
774 def BitfieldAsmOperand : AsmOperandClass {
775 let Name = "Bitfield";
776 let ParserMethod = "parseBitfield";
779 def bf_inv_mask_imm : Operand<i32>,
781 return ARM::isBitFieldInvertedMask(N->getZExtValue());
783 let EncoderMethod = "getBitfieldInvertedMaskOpValue";
784 let PrintMethod = "printBitfieldInvMaskImmOperand";
785 let DecoderMethod = "DecodeBitfieldMaskOperand";
786 let ParserMatchClass = BitfieldAsmOperand;
789 def imm1_32_XFORM: SDNodeXForm<imm, [{
790 return CurDAG->getTargetConstant((int)N->getZExtValue() - 1, SDLoc(N),
793 def Imm1_32AsmOperand: AsmOperandClass { let Name = "Imm1_32"; }
794 def imm1_32 : Operand<i32>, PatLeaf<(imm), [{
795 uint64_t Imm = N->getZExtValue();
796 return Imm > 0 && Imm <= 32;
799 let PrintMethod = "printImmPlusOneOperand";
800 let ParserMatchClass = Imm1_32AsmOperand;
803 def imm1_16_XFORM: SDNodeXForm<imm, [{
804 return CurDAG->getTargetConstant((int)N->getZExtValue() - 1, SDLoc(N),
807 def Imm1_16AsmOperand: AsmOperandClass { let Name = "Imm1_16"; }
808 def imm1_16 : Operand<i32>, PatLeaf<(imm), [{ return Imm > 0 && Imm <= 16; }],
810 let PrintMethod = "printImmPlusOneOperand";
811 let ParserMatchClass = Imm1_16AsmOperand;
814 // Define ARM specific addressing modes.
815 // addrmode_imm12 := reg +/- imm12
817 def MemImm12OffsetAsmOperand : AsmOperandClass { let Name = "MemImm12Offset"; }
818 class AddrMode_Imm12 : MemOperand,
819 ComplexPattern<i32, 2, "SelectAddrModeImm12", []> {
820 // 12-bit immediate operand. Note that instructions using this encode
821 // #0 and #-0 differently. We flag #-0 as the magic value INT32_MIN. All other
822 // immediate values are as normal.
824 let EncoderMethod = "getAddrModeImm12OpValue";
825 let DecoderMethod = "DecodeAddrModeImm12Operand";
826 let ParserMatchClass = MemImm12OffsetAsmOperand;
827 let MIOperandInfo = (ops GPR:$base, i32imm:$offsimm);
830 def addrmode_imm12 : AddrMode_Imm12 {
831 let PrintMethod = "printAddrModeImm12Operand<false>";
834 def addrmode_imm12_pre : AddrMode_Imm12 {
835 let PrintMethod = "printAddrModeImm12Operand<true>";
838 // ldst_so_reg := reg +/- reg shop imm
840 def MemRegOffsetAsmOperand : AsmOperandClass { let Name = "MemRegOffset"; }
841 def ldst_so_reg : MemOperand,
842 ComplexPattern<i32, 3, "SelectLdStSOReg", []> {
843 let EncoderMethod = "getLdStSORegOpValue";
844 // FIXME: Simplify the printer
845 let PrintMethod = "printAddrMode2Operand";
846 let DecoderMethod = "DecodeSORegMemOperand";
847 let ParserMatchClass = MemRegOffsetAsmOperand;
848 let MIOperandInfo = (ops GPR:$base, GPRnopc:$offsreg, i32imm:$shift);
851 // postidx_imm8 := +/- [0,255]
854 // {8} 1 is imm8 is non-negative. 0 otherwise.
855 // {7-0} [0,255] imm8 value.
856 def PostIdxImm8AsmOperand : AsmOperandClass { let Name = "PostIdxImm8"; }
857 def postidx_imm8 : MemOperand {
858 let PrintMethod = "printPostIdxImm8Operand";
859 let ParserMatchClass = PostIdxImm8AsmOperand;
860 let MIOperandInfo = (ops i32imm);
863 // postidx_imm8s4 := +/- [0,1020]
866 // {8} 1 is imm8 is non-negative. 0 otherwise.
867 // {7-0} [0,255] imm8 value, scaled by 4.
868 def PostIdxImm8s4AsmOperand : AsmOperandClass { let Name = "PostIdxImm8s4"; }
869 def postidx_imm8s4 : MemOperand {
870 let PrintMethod = "printPostIdxImm8s4Operand";
871 let ParserMatchClass = PostIdxImm8s4AsmOperand;
872 let MIOperandInfo = (ops i32imm);
876 // postidx_reg := +/- reg
878 def PostIdxRegAsmOperand : AsmOperandClass {
879 let Name = "PostIdxReg";
880 let ParserMethod = "parsePostIdxReg";
882 def postidx_reg : MemOperand {
883 let EncoderMethod = "getPostIdxRegOpValue";
884 let DecoderMethod = "DecodePostIdxReg";
885 let PrintMethod = "printPostIdxRegOperand";
886 let ParserMatchClass = PostIdxRegAsmOperand;
887 let MIOperandInfo = (ops GPRnopc, i32imm);
891 // addrmode2 := reg +/- imm12
892 // := reg +/- reg shop imm
894 // FIXME: addrmode2 should be refactored the rest of the way to always
895 // use explicit imm vs. reg versions above (addrmode_imm12 and ldst_so_reg).
896 def AddrMode2AsmOperand : AsmOperandClass { let Name = "AddrMode2"; }
897 def addrmode2 : MemOperand,
898 ComplexPattern<i32, 3, "SelectAddrMode2", []> {
899 let EncoderMethod = "getAddrMode2OpValue";
900 let PrintMethod = "printAddrMode2Operand";
901 let ParserMatchClass = AddrMode2AsmOperand;
902 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
905 def PostIdxRegShiftedAsmOperand : AsmOperandClass {
906 let Name = "PostIdxRegShifted";
907 let ParserMethod = "parsePostIdxReg";
909 def am2offset_reg : MemOperand,
910 ComplexPattern<i32, 2, "SelectAddrMode2OffsetReg",
911 [], [SDNPWantRoot]> {
912 let EncoderMethod = "getAddrMode2OffsetOpValue";
913 let PrintMethod = "printAddrMode2OffsetOperand";
914 // When using this for assembly, it's always as a post-index offset.
915 let ParserMatchClass = PostIdxRegShiftedAsmOperand;
916 let MIOperandInfo = (ops GPRnopc, i32imm);
919 // FIXME: am2offset_imm should only need the immediate, not the GPR. Having
920 // the GPR is purely vestigal at this point.
921 def AM2OffsetImmAsmOperand : AsmOperandClass { let Name = "AM2OffsetImm"; }
922 def am2offset_imm : MemOperand,
923 ComplexPattern<i32, 2, "SelectAddrMode2OffsetImm",
924 [], [SDNPWantRoot]> {
925 let EncoderMethod = "getAddrMode2OffsetOpValue";
926 let PrintMethod = "printAddrMode2OffsetOperand";
927 let ParserMatchClass = AM2OffsetImmAsmOperand;
928 let MIOperandInfo = (ops GPRnopc, i32imm);
932 // addrmode3 := reg +/- reg
933 // addrmode3 := reg +/- imm8
935 // FIXME: split into imm vs. reg versions.
936 def AddrMode3AsmOperand : AsmOperandClass { let Name = "AddrMode3"; }
937 class AddrMode3 : MemOperand,
938 ComplexPattern<i32, 3, "SelectAddrMode3", []> {
939 let EncoderMethod = "getAddrMode3OpValue";
940 let ParserMatchClass = AddrMode3AsmOperand;
941 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
944 def addrmode3 : AddrMode3
946 let PrintMethod = "printAddrMode3Operand<false>";
949 def addrmode3_pre : AddrMode3
951 let PrintMethod = "printAddrMode3Operand<true>";
954 // FIXME: split into imm vs. reg versions.
955 // FIXME: parser method to handle +/- register.
956 def AM3OffsetAsmOperand : AsmOperandClass {
957 let Name = "AM3Offset";
958 let ParserMethod = "parseAM3Offset";
960 def am3offset : MemOperand,
961 ComplexPattern<i32, 2, "SelectAddrMode3Offset",
962 [], [SDNPWantRoot]> {
963 let EncoderMethod = "getAddrMode3OffsetOpValue";
964 let PrintMethod = "printAddrMode3OffsetOperand";
965 let ParserMatchClass = AM3OffsetAsmOperand;
966 let MIOperandInfo = (ops GPR, i32imm);
969 // ldstm_mode := {ia, ib, da, db}
971 def ldstm_mode : OptionalDefOperand<OtherVT, (ops i32), (ops (i32 1))> {
972 let EncoderMethod = "getLdStmModeOpValue";
973 let PrintMethod = "printLdStmModeOperand";
976 // addrmode5 := reg +/- imm8*4
978 def AddrMode5AsmOperand : AsmOperandClass { let Name = "AddrMode5"; }
979 class AddrMode5 : MemOperand,
980 ComplexPattern<i32, 2, "SelectAddrMode5", []> {
981 let EncoderMethod = "getAddrMode5OpValue";
982 let DecoderMethod = "DecodeAddrMode5Operand";
983 let ParserMatchClass = AddrMode5AsmOperand;
984 let MIOperandInfo = (ops GPR:$base, i32imm);
987 def addrmode5 : AddrMode5 {
988 let PrintMethod = "printAddrMode5Operand<false>";
991 def addrmode5_pre : AddrMode5 {
992 let PrintMethod = "printAddrMode5Operand<true>";
995 // addrmode5fp16 := reg +/- imm8*2
997 def AddrMode5FP16AsmOperand : AsmOperandClass { let Name = "AddrMode5FP16"; }
998 class AddrMode5FP16 : Operand<i32>,
999 ComplexPattern<i32, 2, "SelectAddrMode5FP16", []> {
1000 let EncoderMethod = "getAddrMode5FP16OpValue";
1001 let DecoderMethod = "DecodeAddrMode5FP16Operand";
1002 let ParserMatchClass = AddrMode5FP16AsmOperand;
1003 let MIOperandInfo = (ops GPR:$base, i32imm);
1006 def addrmode5fp16 : AddrMode5FP16 {
1007 let PrintMethod = "printAddrMode5FP16Operand<false>";
1010 // addrmode6 := reg with optional alignment
1012 def AddrMode6AsmOperand : AsmOperandClass { let Name = "AlignedMemory"; }
1013 def addrmode6 : MemOperand,
1014 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
1015 let PrintMethod = "printAddrMode6Operand";
1016 let MIOperandInfo = (ops GPR:$addr, i32imm:$align);
1017 let EncoderMethod = "getAddrMode6AddressOpValue";
1018 let DecoderMethod = "DecodeAddrMode6Operand";
1019 let ParserMatchClass = AddrMode6AsmOperand;
1022 def am6offset : MemOperand,
1023 ComplexPattern<i32, 1, "SelectAddrMode6Offset",
1024 [], [SDNPWantRoot]> {
1025 let PrintMethod = "printAddrMode6OffsetOperand";
1026 let MIOperandInfo = (ops GPR);
1027 let EncoderMethod = "getAddrMode6OffsetOpValue";
1028 let DecoderMethod = "DecodeGPRRegisterClass";
1031 // Special version of addrmode6 to handle alignment encoding for VST1/VLD1
1032 // (single element from one lane) for size 32.
1033 def addrmode6oneL32 : MemOperand,
1034 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
1035 let PrintMethod = "printAddrMode6Operand";
1036 let MIOperandInfo = (ops GPR:$addr, i32imm);
1037 let EncoderMethod = "getAddrMode6OneLane32AddressOpValue";
1040 // Base class for addrmode6 with specific alignment restrictions.
1041 class AddrMode6Align : MemOperand,
1042 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
1043 let PrintMethod = "printAddrMode6Operand";
1044 let MIOperandInfo = (ops GPR:$addr, i32imm:$align);
1045 let EncoderMethod = "getAddrMode6AddressOpValue";
1046 let DecoderMethod = "DecodeAddrMode6Operand";
1049 // Special version of addrmode6 to handle no allowed alignment encoding for
1050 // VLD/VST instructions and checking the alignment is not specified.
1051 def AddrMode6AlignNoneAsmOperand : AsmOperandClass {
1052 let Name = "AlignedMemoryNone";
1053 let DiagnosticType = "AlignedMemoryRequiresNone";
1055 def addrmode6alignNone : AddrMode6Align {
1056 // The alignment specifier can only be omitted.
1057 let ParserMatchClass = AddrMode6AlignNoneAsmOperand;
1060 // Special version of addrmode6 to handle 16-bit alignment encoding for
1061 // VLD/VST instructions and checking the alignment value.
1062 def AddrMode6Align16AsmOperand : AsmOperandClass {
1063 let Name = "AlignedMemory16";
1064 let DiagnosticType = "AlignedMemoryRequires16";
1066 def addrmode6align16 : AddrMode6Align {
1067 // The alignment specifier can only be 16 or omitted.
1068 let ParserMatchClass = AddrMode6Align16AsmOperand;
1071 // Special version of addrmode6 to handle 32-bit alignment encoding for
1072 // VLD/VST instructions and checking the alignment value.
1073 def AddrMode6Align32AsmOperand : AsmOperandClass {
1074 let Name = "AlignedMemory32";
1075 let DiagnosticType = "AlignedMemoryRequires32";
1077 def addrmode6align32 : AddrMode6Align {
1078 // The alignment specifier can only be 32 or omitted.
1079 let ParserMatchClass = AddrMode6Align32AsmOperand;
1082 // Special version of addrmode6 to handle 64-bit alignment encoding for
1083 // VLD/VST instructions and checking the alignment value.
1084 def AddrMode6Align64AsmOperand : AsmOperandClass {
1085 let Name = "AlignedMemory64";
1086 let DiagnosticType = "AlignedMemoryRequires64";
1088 def addrmode6align64 : AddrMode6Align {
1089 // The alignment specifier can only be 64 or omitted.
1090 let ParserMatchClass = AddrMode6Align64AsmOperand;
1093 // Special version of addrmode6 to handle 64-bit or 128-bit alignment encoding
1094 // for VLD/VST instructions and checking the alignment value.
1095 def AddrMode6Align64or128AsmOperand : AsmOperandClass {
1096 let Name = "AlignedMemory64or128";
1097 let DiagnosticType = "AlignedMemoryRequires64or128";
1099 def addrmode6align64or128 : AddrMode6Align {
1100 // The alignment specifier can only be 64, 128 or omitted.
1101 let ParserMatchClass = AddrMode6Align64or128AsmOperand;
1104 // Special version of addrmode6 to handle 64-bit, 128-bit or 256-bit alignment
1105 // encoding for VLD/VST instructions and checking the alignment value.
1106 def AddrMode6Align64or128or256AsmOperand : AsmOperandClass {
1107 let Name = "AlignedMemory64or128or256";
1108 let DiagnosticType = "AlignedMemoryRequires64or128or256";
1110 def addrmode6align64or128or256 : AddrMode6Align {
1111 // The alignment specifier can only be 64, 128, 256 or omitted.
1112 let ParserMatchClass = AddrMode6Align64or128or256AsmOperand;
1115 // Special version of addrmode6 to handle alignment encoding for VLD-dup
1116 // instructions, specifically VLD4-dup.
1117 def addrmode6dup : MemOperand,
1118 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
1119 let PrintMethod = "printAddrMode6Operand";
1120 let MIOperandInfo = (ops GPR:$addr, i32imm);
1121 let EncoderMethod = "getAddrMode6DupAddressOpValue";
1122 // FIXME: This is close, but not quite right. The alignment specifier is
1124 let ParserMatchClass = AddrMode6AsmOperand;
1127 // Base class for addrmode6dup with specific alignment restrictions.
1128 class AddrMode6DupAlign : MemOperand,
1129 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
1130 let PrintMethod = "printAddrMode6Operand";
1131 let MIOperandInfo = (ops GPR:$addr, i32imm);
1132 let EncoderMethod = "getAddrMode6DupAddressOpValue";
1135 // Special version of addrmode6 to handle no allowed alignment encoding for
1136 // VLD-dup instruction and checking the alignment is not specified.
1137 def AddrMode6dupAlignNoneAsmOperand : AsmOperandClass {
1138 let Name = "DupAlignedMemoryNone";
1139 let DiagnosticType = "DupAlignedMemoryRequiresNone";
1141 def addrmode6dupalignNone : AddrMode6DupAlign {
1142 // The alignment specifier can only be omitted.
1143 let ParserMatchClass = AddrMode6dupAlignNoneAsmOperand;
1146 // Special version of addrmode6 to handle 16-bit alignment encoding for VLD-dup
1147 // instruction and checking the alignment value.
1148 def AddrMode6dupAlign16AsmOperand : AsmOperandClass {
1149 let Name = "DupAlignedMemory16";
1150 let DiagnosticType = "DupAlignedMemoryRequires16";
1152 def addrmode6dupalign16 : AddrMode6DupAlign {
1153 // The alignment specifier can only be 16 or omitted.
1154 let ParserMatchClass = AddrMode6dupAlign16AsmOperand;
1157 // Special version of addrmode6 to handle 32-bit alignment encoding for VLD-dup
1158 // instruction and checking the alignment value.
1159 def AddrMode6dupAlign32AsmOperand : AsmOperandClass {
1160 let Name = "DupAlignedMemory32";
1161 let DiagnosticType = "DupAlignedMemoryRequires32";
1163 def addrmode6dupalign32 : AddrMode6DupAlign {
1164 // The alignment specifier can only be 32 or omitted.
1165 let ParserMatchClass = AddrMode6dupAlign32AsmOperand;
1168 // Special version of addrmode6 to handle 64-bit alignment encoding for VLD
1169 // instructions and checking the alignment value.
1170 def AddrMode6dupAlign64AsmOperand : AsmOperandClass {
1171 let Name = "DupAlignedMemory64";
1172 let DiagnosticType = "DupAlignedMemoryRequires64";
1174 def addrmode6dupalign64 : AddrMode6DupAlign {
1175 // The alignment specifier can only be 64 or omitted.
1176 let ParserMatchClass = AddrMode6dupAlign64AsmOperand;
1179 // Special version of addrmode6 to handle 64-bit or 128-bit alignment encoding
1180 // for VLD instructions and checking the alignment value.
1181 def AddrMode6dupAlign64or128AsmOperand : AsmOperandClass {
1182 let Name = "DupAlignedMemory64or128";
1183 let DiagnosticType = "DupAlignedMemoryRequires64or128";
1185 def addrmode6dupalign64or128 : AddrMode6DupAlign {
1186 // The alignment specifier can only be 64, 128 or omitted.
1187 let ParserMatchClass = AddrMode6dupAlign64or128AsmOperand;
1190 // addrmodepc := pc + reg
1192 def addrmodepc : MemOperand,
1193 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
1194 let PrintMethod = "printAddrModePCOperand";
1195 let MIOperandInfo = (ops GPR, i32imm);
1198 // addr_offset_none := reg
1200 def MemNoOffsetAsmOperand : AsmOperandClass { let Name = "MemNoOffset"; }
1201 def addr_offset_none : MemOperand,
1202 ComplexPattern<i32, 1, "SelectAddrOffsetNone", []> {
1203 let PrintMethod = "printAddrMode7Operand";
1204 let DecoderMethod = "DecodeAddrMode7Operand";
1205 let ParserMatchClass = MemNoOffsetAsmOperand;
1206 let MIOperandInfo = (ops GPR:$base);
1209 def nohash_imm : Operand<i32> {
1210 let PrintMethod = "printNoHashImmediate";
1213 def CoprocNumAsmOperand : AsmOperandClass {
1214 let Name = "CoprocNum";
1215 let ParserMethod = "parseCoprocNumOperand";
1217 def p_imm : Operand<i32> {
1218 let PrintMethod = "printPImmediate";
1219 let ParserMatchClass = CoprocNumAsmOperand;
1220 let DecoderMethod = "DecodeCoprocessor";
1223 def CoprocRegAsmOperand : AsmOperandClass {
1224 let Name = "CoprocReg";
1225 let ParserMethod = "parseCoprocRegOperand";
1227 def c_imm : Operand<i32> {
1228 let PrintMethod = "printCImmediate";
1229 let ParserMatchClass = CoprocRegAsmOperand;
1231 def CoprocOptionAsmOperand : AsmOperandClass {
1232 let Name = "CoprocOption";
1233 let ParserMethod = "parseCoprocOptionOperand";
1235 def coproc_option_imm : Operand<i32> {
1236 let PrintMethod = "printCoprocOptionImm";
1237 let ParserMatchClass = CoprocOptionAsmOperand;
1240 //===----------------------------------------------------------------------===//
1242 include "ARMInstrFormats.td"
1244 //===----------------------------------------------------------------------===//
1245 // Multiclass helpers...
1248 /// AsI1_bin_irs - Defines a set of (op r, {mod_imm|r|so_reg}) patterns for a
1249 /// binop that produces a value.
1250 let TwoOperandAliasConstraint = "$Rn = $Rd" in
1251 multiclass AsI1_bin_irs<bits<4> opcod, string opc,
1252 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
1253 SDPatternOperator opnode, bit Commutable = 0> {
1254 // The register-immediate version is re-materializable. This is useful
1255 // in particular for taking the address of a local.
1256 let isReMaterializable = 1 in {
1257 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, mod_imm:$imm), DPFrm,
1258 iii, opc, "\t$Rd, $Rn, $imm",
1259 [(set GPR:$Rd, (opnode GPR:$Rn, mod_imm:$imm))]>,
1260 Sched<[WriteALU, ReadALU]> {
1265 let Inst{19-16} = Rn;
1266 let Inst{15-12} = Rd;
1267 let Inst{11-0} = imm;
1270 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
1271 iir, opc, "\t$Rd, $Rn, $Rm",
1272 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
1273 Sched<[WriteALU, ReadALU, ReadALU]> {
1278 let isCommutable = Commutable;
1279 let Inst{19-16} = Rn;
1280 let Inst{15-12} = Rd;
1281 let Inst{11-4} = 0b00000000;
1285 def rsi : AsI1<opcod, (outs GPR:$Rd),
1286 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm,
1287 iis, opc, "\t$Rd, $Rn, $shift",
1288 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_imm:$shift))]>,
1289 Sched<[WriteALUsi, ReadALU]> {
1294 let Inst{19-16} = Rn;
1295 let Inst{15-12} = Rd;
1296 let Inst{11-5} = shift{11-5};
1298 let Inst{3-0} = shift{3-0};
1301 def rsr : AsI1<opcod, (outs GPR:$Rd),
1302 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm,
1303 iis, opc, "\t$Rd, $Rn, $shift",
1304 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_reg:$shift))]>,
1305 Sched<[WriteALUsr, ReadALUsr]> {
1310 let Inst{19-16} = Rn;
1311 let Inst{15-12} = Rd;
1312 let Inst{11-8} = shift{11-8};
1314 let Inst{6-5} = shift{6-5};
1316 let Inst{3-0} = shift{3-0};
1320 /// AsI1_rbin_irs - Same as AsI1_bin_irs except the order of operands are
1321 /// reversed. The 'rr' form is only defined for the disassembler; for codegen
1322 /// it is equivalent to the AsI1_bin_irs counterpart.
1323 let TwoOperandAliasConstraint = "$Rn = $Rd" in
1324 multiclass AsI1_rbin_irs<bits<4> opcod, string opc,
1325 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
1326 SDNode opnode, bit Commutable = 0> {
1327 // The register-immediate version is re-materializable. This is useful
1328 // in particular for taking the address of a local.
1329 let isReMaterializable = 1 in {
1330 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, mod_imm:$imm), DPFrm,
1331 iii, opc, "\t$Rd, $Rn, $imm",
1332 [(set GPR:$Rd, (opnode mod_imm:$imm, GPR:$Rn))]>,
1333 Sched<[WriteALU, ReadALU]> {
1338 let Inst{19-16} = Rn;
1339 let Inst{15-12} = Rd;
1340 let Inst{11-0} = imm;
1343 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
1344 iir, opc, "\t$Rd, $Rn, $Rm",
1345 [/* pattern left blank */]>,
1346 Sched<[WriteALU, ReadALU, ReadALU]> {
1350 let Inst{11-4} = 0b00000000;
1353 let Inst{15-12} = Rd;
1354 let Inst{19-16} = Rn;
1357 def rsi : AsI1<opcod, (outs GPR:$Rd),
1358 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm,
1359 iis, opc, "\t$Rd, $Rn, $shift",
1360 [(set GPR:$Rd, (opnode so_reg_imm:$shift, GPR:$Rn))]>,
1361 Sched<[WriteALUsi, ReadALU]> {
1366 let Inst{19-16} = Rn;
1367 let Inst{15-12} = Rd;
1368 let Inst{11-5} = shift{11-5};
1370 let Inst{3-0} = shift{3-0};
1373 def rsr : AsI1<opcod, (outs GPR:$Rd),
1374 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm,
1375 iis, opc, "\t$Rd, $Rn, $shift",
1376 [(set GPR:$Rd, (opnode so_reg_reg:$shift, GPR:$Rn))]>,
1377 Sched<[WriteALUsr, ReadALUsr]> {
1382 let Inst{19-16} = Rn;
1383 let Inst{15-12} = Rd;
1384 let Inst{11-8} = shift{11-8};
1386 let Inst{6-5} = shift{6-5};
1388 let Inst{3-0} = shift{3-0};
1392 /// AsI1_bin_s_irs - Same as AsI1_bin_irs except it sets the 's' bit by default.
1394 /// These opcodes will be converted to the real non-S opcodes by
1395 /// AdjustInstrPostInstrSelection after giving them an optional CPSR operand.
1396 let hasPostISelHook = 1, Defs = [CPSR] in {
1397 multiclass AsI1_bin_s_irs<InstrItinClass iii, InstrItinClass iir,
1398 InstrItinClass iis, SDNode opnode,
1399 bit Commutable = 0> {
1400 def ri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, mod_imm:$imm, pred:$p),
1402 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, mod_imm:$imm))]>,
1403 Sched<[WriteALU, ReadALU]>;
1405 def rr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, pred:$p),
1407 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, GPR:$Rm))]>,
1408 Sched<[WriteALU, ReadALU, ReadALU]> {
1409 let isCommutable = Commutable;
1411 def rsi : ARMPseudoInst<(outs GPR:$Rd),
1412 (ins GPR:$Rn, so_reg_imm:$shift, pred:$p),
1414 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn,
1415 so_reg_imm:$shift))]>,
1416 Sched<[WriteALUsi, ReadALU]>;
1418 def rsr : ARMPseudoInst<(outs GPR:$Rd),
1419 (ins GPR:$Rn, so_reg_reg:$shift, pred:$p),
1421 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn,
1422 so_reg_reg:$shift))]>,
1423 Sched<[WriteALUSsr, ReadALUsr]>;
1427 /// AsI1_rbin_s_is - Same as AsI1_bin_s_irs, except selection DAG
1428 /// operands are reversed.
1429 let hasPostISelHook = 1, Defs = [CPSR] in {
1430 multiclass AsI1_rbin_s_is<InstrItinClass iii, InstrItinClass iir,
1431 InstrItinClass iis, SDNode opnode,
1432 bit Commutable = 0> {
1433 def ri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, mod_imm:$imm, pred:$p),
1435 [(set GPR:$Rd, CPSR, (opnode mod_imm:$imm, GPR:$Rn))]>,
1436 Sched<[WriteALU, ReadALU]>;
1438 def rsi : ARMPseudoInst<(outs GPR:$Rd),
1439 (ins GPR:$Rn, so_reg_imm:$shift, pred:$p),
1441 [(set GPR:$Rd, CPSR, (opnode so_reg_imm:$shift,
1443 Sched<[WriteALUsi, ReadALU]>;
1445 def rsr : ARMPseudoInst<(outs GPR:$Rd),
1446 (ins GPR:$Rn, so_reg_reg:$shift, pred:$p),
1448 [(set GPR:$Rd, CPSR, (opnode so_reg_reg:$shift,
1450 Sched<[WriteALUSsr, ReadALUsr]>;
1454 /// AI1_cmp_irs - Defines a set of (op r, {mod_imm|r|so_reg}) cmp / test
1455 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
1456 /// a explicit result, only implicitly set CPSR.
1457 let isCompare = 1, Defs = [CPSR] in {
1458 multiclass AI1_cmp_irs<bits<4> opcod, string opc,
1459 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
1460 SDPatternOperator opnode, bit Commutable = 0,
1461 string rrDecoderMethod = ""> {
1462 def ri : AI1<opcod, (outs), (ins GPR:$Rn, mod_imm:$imm), DPFrm, iii,
1464 [(opnode GPR:$Rn, mod_imm:$imm)]>,
1465 Sched<[WriteCMP, ReadALU]> {
1470 let Inst{19-16} = Rn;
1471 let Inst{15-12} = 0b0000;
1472 let Inst{11-0} = imm;
1474 let Unpredictable{15-12} = 0b1111;
1476 def rr : AI1<opcod, (outs), (ins GPR:$Rn, GPR:$Rm), DPFrm, iir,
1478 [(opnode GPR:$Rn, GPR:$Rm)]>,
1479 Sched<[WriteCMP, ReadALU, ReadALU]> {
1482 let isCommutable = Commutable;
1485 let Inst{19-16} = Rn;
1486 let Inst{15-12} = 0b0000;
1487 let Inst{11-4} = 0b00000000;
1489 let DecoderMethod = rrDecoderMethod;
1491 let Unpredictable{15-12} = 0b1111;
1493 def rsi : AI1<opcod, (outs),
1494 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm, iis,
1495 opc, "\t$Rn, $shift",
1496 [(opnode GPR:$Rn, so_reg_imm:$shift)]>,
1497 Sched<[WriteCMPsi, ReadALU]> {
1502 let Inst{19-16} = Rn;
1503 let Inst{15-12} = 0b0000;
1504 let Inst{11-5} = shift{11-5};
1506 let Inst{3-0} = shift{3-0};
1508 let Unpredictable{15-12} = 0b1111;
1510 def rsr : AI1<opcod, (outs),
1511 (ins GPRnopc:$Rn, so_reg_reg:$shift), DPSoRegRegFrm, iis,
1512 opc, "\t$Rn, $shift",
1513 [(opnode GPRnopc:$Rn, so_reg_reg:$shift)]>,
1514 Sched<[WriteCMPsr, ReadALU]> {
1519 let Inst{19-16} = Rn;
1520 let Inst{15-12} = 0b0000;
1521 let Inst{11-8} = shift{11-8};
1523 let Inst{6-5} = shift{6-5};
1525 let Inst{3-0} = shift{3-0};
1527 let Unpredictable{15-12} = 0b1111;
1533 /// AI_ext_rrot - A unary operation with two forms: one whose operand is a
1534 /// register and one whose operand is a register rotated by 8/16/24.
1535 /// FIXME: Remove the 'r' variant. Its rot_imm is zero.
1536 class AI_ext_rrot<bits<8> opcod, string opc, PatFrag opnode>
1537 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPRnopc:$Rm, rot_imm:$rot),
1538 IIC_iEXTr, opc, "\t$Rd, $Rm$rot",
1539 [(set GPRnopc:$Rd, (opnode (rotr GPRnopc:$Rm, rot_imm:$rot)))]>,
1540 Requires<[IsARM, HasV6]>, Sched<[WriteALUsi]> {
1544 let Inst{19-16} = 0b1111;
1545 let Inst{15-12} = Rd;
1546 let Inst{11-10} = rot;
1550 class AI_ext_rrot_np<bits<8> opcod, string opc>
1551 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPRnopc:$Rm, rot_imm:$rot),
1552 IIC_iEXTr, opc, "\t$Rd, $Rm$rot", []>,
1553 Requires<[IsARM, HasV6]>, Sched<[WriteALUsi]> {
1555 let Inst{19-16} = 0b1111;
1556 let Inst{11-10} = rot;
1559 /// AI_exta_rrot - A binary operation with two forms: one whose operand is a
1560 /// register and one whose operand is a register rotated by 8/16/24.
1561 class AI_exta_rrot<bits<8> opcod, string opc, PatFrag opnode>
1562 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPR:$Rn, GPRnopc:$Rm, rot_imm:$rot),
1563 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm$rot",
1564 [(set GPRnopc:$Rd, (opnode GPR:$Rn,
1565 (rotr GPRnopc:$Rm, rot_imm:$rot)))]>,
1566 Requires<[IsARM, HasV6]>, Sched<[WriteALUsr]> {
1571 let Inst{19-16} = Rn;
1572 let Inst{15-12} = Rd;
1573 let Inst{11-10} = rot;
1574 let Inst{9-4} = 0b000111;
1578 class AI_exta_rrot_np<bits<8> opcod, string opc>
1579 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPR:$Rn, GPRnopc:$Rm, rot_imm:$rot),
1580 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm$rot", []>,
1581 Requires<[IsARM, HasV6]>, Sched<[WriteALUsr]> {
1584 let Inst{19-16} = Rn;
1585 let Inst{11-10} = rot;
1588 /// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
1589 let TwoOperandAliasConstraint = "$Rn = $Rd" in
1590 multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, SDNode opnode,
1591 bit Commutable = 0> {
1592 let hasPostISelHook = 1, Defs = [CPSR], Uses = [CPSR] in {
1593 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, mod_imm:$imm),
1594 DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
1595 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, mod_imm:$imm, CPSR))]>,
1597 Sched<[WriteALU, ReadALU]> {
1602 let Inst{15-12} = Rd;
1603 let Inst{19-16} = Rn;
1604 let Inst{11-0} = imm;
1606 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
1607 DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
1608 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, GPR:$Rm, CPSR))]>,
1610 Sched<[WriteALU, ReadALU, ReadALU]> {
1614 let Inst{11-4} = 0b00000000;
1616 let isCommutable = Commutable;
1618 let Inst{15-12} = Rd;
1619 let Inst{19-16} = Rn;
1621 def rsi : AsI1<opcod, (outs GPR:$Rd),
1622 (ins GPR:$Rn, so_reg_imm:$shift),
1623 DPSoRegImmFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1624 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, so_reg_imm:$shift, CPSR))]>,
1626 Sched<[WriteALUsi, ReadALU]> {
1631 let Inst{19-16} = Rn;
1632 let Inst{15-12} = Rd;
1633 let Inst{11-5} = shift{11-5};
1635 let Inst{3-0} = shift{3-0};
1637 def rsr : AsI1<opcod, (outs GPRnopc:$Rd),
1638 (ins GPRnopc:$Rn, so_reg_reg:$shift),
1639 DPSoRegRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1640 [(set GPRnopc:$Rd, CPSR,
1641 (opnode GPRnopc:$Rn, so_reg_reg:$shift, CPSR))]>,
1643 Sched<[WriteALUsr, ReadALUsr]> {
1648 let Inst{19-16} = Rn;
1649 let Inst{15-12} = Rd;
1650 let Inst{11-8} = shift{11-8};
1652 let Inst{6-5} = shift{6-5};
1654 let Inst{3-0} = shift{3-0};
1659 /// AI1_rsc_irs - Define instructions and patterns for rsc
1660 let TwoOperandAliasConstraint = "$Rn = $Rd" in
1661 multiclass AI1_rsc_irs<bits<4> opcod, string opc, SDNode opnode> {
1662 let hasPostISelHook = 1, Defs = [CPSR], Uses = [CPSR] in {
1663 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, mod_imm:$imm),
1664 DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
1665 [(set GPR:$Rd, CPSR, (opnode mod_imm:$imm, GPR:$Rn, CPSR))]>,
1667 Sched<[WriteALU, ReadALU]> {
1672 let Inst{15-12} = Rd;
1673 let Inst{19-16} = Rn;
1674 let Inst{11-0} = imm;
1676 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
1677 DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
1678 [/* pattern left blank */]>,
1679 Sched<[WriteALU, ReadALU, ReadALU]> {
1683 let Inst{11-4} = 0b00000000;
1686 let Inst{15-12} = Rd;
1687 let Inst{19-16} = Rn;
1689 def rsi : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_imm:$shift),
1690 DPSoRegImmFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1691 [(set GPR:$Rd, CPSR, (opnode so_reg_imm:$shift, GPR:$Rn, CPSR))]>,
1693 Sched<[WriteALUsi, ReadALU]> {
1698 let Inst{19-16} = Rn;
1699 let Inst{15-12} = Rd;
1700 let Inst{11-5} = shift{11-5};
1702 let Inst{3-0} = shift{3-0};
1704 def rsr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_reg:$shift),
1705 DPSoRegRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1706 [(set GPR:$Rd, CPSR, (opnode so_reg_reg:$shift, GPR:$Rn, CPSR))]>,
1708 Sched<[WriteALUsr, ReadALUsr]> {
1713 let Inst{19-16} = Rn;
1714 let Inst{15-12} = Rd;
1715 let Inst{11-8} = shift{11-8};
1717 let Inst{6-5} = shift{6-5};
1719 let Inst{3-0} = shift{3-0};
1724 let canFoldAsLoad = 1, isReMaterializable = 1 in {
1725 multiclass AI_ldr1<bit isByte, string opc, InstrItinClass iii,
1726 InstrItinClass iir, PatFrag opnode> {
1727 // Note: We use the complex addrmode_imm12 rather than just an input
1728 // GPR and a constrained immediate so that we can use this to match
1729 // frame index references and avoid matching constant pool references.
1730 def i12: AI2ldst<0b010, 1, isByte, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
1731 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
1732 [(set GPR:$Rt, (opnode addrmode_imm12:$addr))]> {
1735 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1736 let Inst{19-16} = addr{16-13}; // Rn
1737 let Inst{15-12} = Rt;
1738 let Inst{11-0} = addr{11-0}; // imm12
1740 def rs : AI2ldst<0b011, 1, isByte, (outs GPR:$Rt), (ins ldst_so_reg:$shift),
1741 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
1742 [(set GPR:$Rt, (opnode ldst_so_reg:$shift))]> {
1745 let shift{4} = 0; // Inst{4} = 0
1746 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1747 let Inst{19-16} = shift{16-13}; // Rn
1748 let Inst{15-12} = Rt;
1749 let Inst{11-0} = shift{11-0};
1754 let canFoldAsLoad = 1, isReMaterializable = 1 in {
1755 multiclass AI_ldr1nopc<bit isByte, string opc, InstrItinClass iii,
1756 InstrItinClass iir, PatFrag opnode> {
1757 // Note: We use the complex addrmode_imm12 rather than just an input
1758 // GPR and a constrained immediate so that we can use this to match
1759 // frame index references and avoid matching constant pool references.
1760 def i12: AI2ldst<0b010, 1, isByte, (outs GPRnopc:$Rt),
1761 (ins addrmode_imm12:$addr),
1762 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
1763 [(set GPRnopc:$Rt, (opnode addrmode_imm12:$addr))]> {
1766 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1767 let Inst{19-16} = addr{16-13}; // Rn
1768 let Inst{15-12} = Rt;
1769 let Inst{11-0} = addr{11-0}; // imm12
1771 def rs : AI2ldst<0b011, 1, isByte, (outs GPRnopc:$Rt),
1772 (ins ldst_so_reg:$shift),
1773 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
1774 [(set GPRnopc:$Rt, (opnode ldst_so_reg:$shift))]> {
1777 let shift{4} = 0; // Inst{4} = 0
1778 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1779 let Inst{19-16} = shift{16-13}; // Rn
1780 let Inst{15-12} = Rt;
1781 let Inst{11-0} = shift{11-0};
1787 multiclass AI_str1<bit isByte, string opc, InstrItinClass iii,
1788 InstrItinClass iir, PatFrag opnode> {
1789 // Note: We use the complex addrmode_imm12 rather than just an input
1790 // GPR and a constrained immediate so that we can use this to match
1791 // frame index references and avoid matching constant pool references.
1792 def i12 : AI2ldst<0b010, 0, isByte, (outs),
1793 (ins GPR:$Rt, addrmode_imm12:$addr),
1794 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
1795 [(opnode GPR:$Rt, addrmode_imm12:$addr)]> {
1798 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1799 let Inst{19-16} = addr{16-13}; // Rn
1800 let Inst{15-12} = Rt;
1801 let Inst{11-0} = addr{11-0}; // imm12
1803 def rs : AI2ldst<0b011, 0, isByte, (outs), (ins GPR:$Rt, ldst_so_reg:$shift),
1804 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
1805 [(opnode GPR:$Rt, ldst_so_reg:$shift)]> {
1808 let shift{4} = 0; // Inst{4} = 0
1809 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1810 let Inst{19-16} = shift{16-13}; // Rn
1811 let Inst{15-12} = Rt;
1812 let Inst{11-0} = shift{11-0};
1816 multiclass AI_str1nopc<bit isByte, string opc, InstrItinClass iii,
1817 InstrItinClass iir, PatFrag opnode> {
1818 // Note: We use the complex addrmode_imm12 rather than just an input
1819 // GPR and a constrained immediate so that we can use this to match
1820 // frame index references and avoid matching constant pool references.
1821 def i12 : AI2ldst<0b010, 0, isByte, (outs),
1822 (ins GPRnopc:$Rt, addrmode_imm12:$addr),
1823 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
1824 [(opnode GPRnopc:$Rt, addrmode_imm12:$addr)]> {
1827 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1828 let Inst{19-16} = addr{16-13}; // Rn
1829 let Inst{15-12} = Rt;
1830 let Inst{11-0} = addr{11-0}; // imm12
1832 def rs : AI2ldst<0b011, 0, isByte, (outs),
1833 (ins GPRnopc:$Rt, ldst_so_reg:$shift),
1834 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
1835 [(opnode GPRnopc:$Rt, ldst_so_reg:$shift)]> {
1838 let shift{4} = 0; // Inst{4} = 0
1839 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1840 let Inst{19-16} = shift{16-13}; // Rn
1841 let Inst{15-12} = Rt;
1842 let Inst{11-0} = shift{11-0};
1847 //===----------------------------------------------------------------------===//
1849 //===----------------------------------------------------------------------===//
1851 //===----------------------------------------------------------------------===//
1852 // Miscellaneous Instructions.
1855 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
1856 /// the function. The first operand is the ID# for this instruction, the second
1857 /// is the index into the MachineConstantPool that this is, the third is the
1858 /// size in bytes of this constant pool entry.
1859 let hasSideEffects = 0, isNotDuplicable = 1 in
1860 def CONSTPOOL_ENTRY :
1861 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
1862 i32imm:$size), NoItinerary, []>;
1864 /// A jumptable consisting of direct 32-bit addresses of the destination basic
1865 /// blocks (either absolute, or relative to the start of the jump-table in PIC
1866 /// mode). Used mostly in ARM and Thumb-1 modes.
1867 def JUMPTABLE_ADDRS :
1868 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
1869 i32imm:$size), NoItinerary, []>;
1871 /// A jumptable consisting of 32-bit jump instructions. Used for Thumb-2 tables
1872 /// that cannot be optimised to use TBB or TBH.
1873 def JUMPTABLE_INSTS :
1874 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
1875 i32imm:$size), NoItinerary, []>;
1877 /// A jumptable consisting of 8-bit unsigned integers representing offsets from
1878 /// a TBB instruction.
1880 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
1881 i32imm:$size), NoItinerary, []>;
1883 /// A jumptable consisting of 16-bit unsigned integers representing offsets from
1884 /// a TBH instruction.
1886 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
1887 i32imm:$size), NoItinerary, []>;
1890 // FIXME: Marking these as hasSideEffects is necessary to prevent machine DCE
1891 // from removing one half of the matched pairs. That breaks PEI, which assumes
1892 // these will always be in pairs, and asserts if it finds otherwise. Better way?
1893 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
1894 def ADJCALLSTACKUP :
1895 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary,
1896 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
1898 def ADJCALLSTACKDOWN :
1899 PseudoInst<(outs), (ins i32imm:$amt, pred:$p), NoItinerary,
1900 [(ARMcallseq_start timm:$amt)]>;
1903 def HINT : AI<(outs), (ins imm0_239:$imm), MiscFrm, NoItinerary,
1904 "hint", "\t$imm", [(int_arm_hint imm0_239:$imm)]>,
1905 Requires<[IsARM, HasV6]> {
1907 let Inst{27-8} = 0b00110010000011110000;
1908 let Inst{7-0} = imm;
1909 let DecoderMethod = "DecodeHINTInstruction";
1912 def : InstAlias<"nop$p", (HINT 0, pred:$p)>, Requires<[IsARM, HasV6K]>;
1913 def : InstAlias<"yield$p", (HINT 1, pred:$p)>, Requires<[IsARM, HasV6K]>;
1914 def : InstAlias<"wfe$p", (HINT 2, pred:$p)>, Requires<[IsARM, HasV6K]>;
1915 def : InstAlias<"wfi$p", (HINT 3, pred:$p)>, Requires<[IsARM, HasV6K]>;
1916 def : InstAlias<"sev$p", (HINT 4, pred:$p)>, Requires<[IsARM, HasV6K]>;
1917 def : InstAlias<"sevl$p", (HINT 5, pred:$p)>, Requires<[IsARM, HasV8]>;
1918 def : InstAlias<"esb$p", (HINT 16, pred:$p)>, Requires<[IsARM, HasRAS]>;
1920 def SEL : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm, NoItinerary, "sel",
1921 "\t$Rd, $Rn, $Rm", []>, Requires<[IsARM, HasV6]> {
1926 let Inst{15-12} = Rd;
1927 let Inst{19-16} = Rn;
1928 let Inst{27-20} = 0b01101000;
1929 let Inst{7-4} = 0b1011;
1930 let Inst{11-8} = 0b1111;
1931 let Unpredictable{11-8} = 0b1111;
1934 // The 16-bit operand $val can be used by a debugger to store more information
1935 // about the breakpoint.
1936 def BKPT : AInoP<(outs), (ins imm0_65535:$val), MiscFrm, NoItinerary,
1937 "bkpt", "\t$val", []>, Requires<[IsARM]> {
1939 let Inst{3-0} = val{3-0};
1940 let Inst{19-8} = val{15-4};
1941 let Inst{27-20} = 0b00010010;
1942 let Inst{31-28} = 0xe; // AL
1943 let Inst{7-4} = 0b0111;
1945 // default immediate for breakpoint mnemonic
1946 def : InstAlias<"bkpt", (BKPT 0), 0>, Requires<[IsARM]>;
1948 def HLT : AInoP<(outs), (ins imm0_65535:$val), MiscFrm, NoItinerary,
1949 "hlt", "\t$val", []>, Requires<[IsARM, HasV8]> {
1951 let Inst{3-0} = val{3-0};
1952 let Inst{19-8} = val{15-4};
1953 let Inst{27-20} = 0b00010000;
1954 let Inst{31-28} = 0xe; // AL
1955 let Inst{7-4} = 0b0111;
1958 // Change Processor State
1959 // FIXME: We should use InstAlias to handle the optional operands.
1960 class CPS<dag iops, string asm_ops>
1961 : AXI<(outs), iops, MiscFrm, NoItinerary, !strconcat("cps", asm_ops),
1962 []>, Requires<[IsARM]> {
1968 let Inst{31-28} = 0b1111;
1969 let Inst{27-20} = 0b00010000;
1970 let Inst{19-18} = imod;
1971 let Inst{17} = M; // Enabled if mode is set;
1972 let Inst{16-9} = 0b00000000;
1973 let Inst{8-6} = iflags;
1975 let Inst{4-0} = mode;
1978 let DecoderMethod = "DecodeCPSInstruction" in {
1980 def CPS3p : CPS<(ins imod_op:$imod, iflags_op:$iflags, imm0_31:$mode),
1981 "$imod\t$iflags, $mode">;
1982 let mode = 0, M = 0 in
1983 def CPS2p : CPS<(ins imod_op:$imod, iflags_op:$iflags), "$imod\t$iflags">;
1985 let imod = 0, iflags = 0, M = 1 in
1986 def CPS1p : CPS<(ins imm0_31:$mode), "\t$mode">;
1989 // Preload signals the memory system of possible future data/instruction access.
1990 multiclass APreLoad<bits<1> read, bits<1> data, string opc> {
1992 def i12 : AXIM<(outs), (ins addrmode_imm12:$addr), AddrMode_i12, MiscFrm,
1993 IIC_Preload, !strconcat(opc, "\t$addr"),
1994 [(ARMPreload addrmode_imm12:$addr, (i32 read), (i32 data))]>,
1995 Sched<[WritePreLd]> {
1998 let Inst{31-26} = 0b111101;
1999 let Inst{25} = 0; // 0 for immediate form
2000 let Inst{24} = data;
2001 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2002 let Inst{22} = read;
2003 let Inst{21-20} = 0b01;
2004 let Inst{19-16} = addr{16-13}; // Rn
2005 let Inst{15-12} = 0b1111;
2006 let Inst{11-0} = addr{11-0}; // imm12
2009 def rs : AXI<(outs), (ins ldst_so_reg:$shift), MiscFrm, IIC_Preload,
2010 !strconcat(opc, "\t$shift"),
2011 [(ARMPreload ldst_so_reg:$shift, (i32 read), (i32 data))]>,
2012 Sched<[WritePreLd]> {
2014 let Inst{31-26} = 0b111101;
2015 let Inst{25} = 1; // 1 for register form
2016 let Inst{24} = data;
2017 let Inst{23} = shift{12}; // U (add = ('U' == 1))
2018 let Inst{22} = read;
2019 let Inst{21-20} = 0b01;
2020 let Inst{19-16} = shift{16-13}; // Rn
2021 let Inst{15-12} = 0b1111;
2022 let Inst{11-0} = shift{11-0};
2027 defm PLD : APreLoad<1, 1, "pld">, Requires<[IsARM]>;
2028 defm PLDW : APreLoad<0, 1, "pldw">, Requires<[IsARM,HasV7,HasMP]>;
2029 defm PLI : APreLoad<1, 0, "pli">, Requires<[IsARM,HasV7]>;
2031 def SETEND : AXI<(outs), (ins setend_op:$end), MiscFrm, NoItinerary,
2032 "setend\t$end", []>, Requires<[IsARM]>, Deprecated<HasV8Ops> {
2034 let Inst{31-10} = 0b1111000100000001000000;
2039 def DBG : AI<(outs), (ins imm0_15:$opt), MiscFrm, NoItinerary, "dbg", "\t$opt",
2040 [(int_arm_dbg imm0_15:$opt)]>, Requires<[IsARM, HasV7]> {
2042 let Inst{27-4} = 0b001100100000111100001111;
2043 let Inst{3-0} = opt;
2046 // A8.8.247 UDF - Undefined (Encoding A1)
2047 def UDF : AInoP<(outs), (ins imm0_65535:$imm16), MiscFrm, NoItinerary,
2048 "udf", "\t$imm16", [(int_arm_undefined imm0_65535:$imm16)]> {
2050 let Inst{31-28} = 0b1110; // AL
2051 let Inst{27-25} = 0b011;
2052 let Inst{24-20} = 0b11111;
2053 let Inst{19-8} = imm16{15-4};
2054 let Inst{7-4} = 0b1111;
2055 let Inst{3-0} = imm16{3-0};
2059 * A5.4 Permanently UNDEFINED instructions.
2061 * For most targets use UDF #65006, for which the OS will generate SIGTRAP.
2062 * Other UDF encodings generate SIGILL.
2064 * NaCl's OS instead chooses an ARM UDF encoding that's also a UDF in Thumb.
2066 * 1110 0111 1111 iiii iiii iiii 1111 iiii
2068 * 1101 1110 iiii iiii
2069 * It uses the following encoding:
2070 * 1110 0111 1111 1110 1101 1110 1111 0000
2071 * - In ARM: UDF #60896;
2072 * - In Thumb: UDF #254 followed by a branch-to-self.
2074 let isBarrier = 1, isTerminator = 1 in
2075 def TRAPNaCl : AXI<(outs), (ins), MiscFrm, NoItinerary,
2077 Requires<[IsARM,UseNaClTrap]> {
2078 let Inst = 0xe7fedef0;
2080 let isBarrier = 1, isTerminator = 1 in
2081 def TRAP : AXI<(outs), (ins), MiscFrm, NoItinerary,
2083 Requires<[IsARM,DontUseNaClTrap]> {
2084 let Inst = 0xe7ffdefe;
2087 // Address computation and loads and stores in PIC mode.
2088 let isNotDuplicable = 1 in {
2089 def PICADD : ARMPseudoInst<(outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
2091 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>,
2092 Sched<[WriteALU, ReadALU]>;
2094 let AddedComplexity = 10 in {
2095 def PICLDR : ARMPseudoInst<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
2097 [(set GPR:$dst, (load addrmodepc:$addr))]>;
2099 def PICLDRH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
2101 [(set GPR:$Rt, (zextloadi16 addrmodepc:$addr))]>;
2103 def PICLDRB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
2105 [(set GPR:$Rt, (zextloadi8 addrmodepc:$addr))]>;
2107 def PICLDRSH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
2109 [(set GPR:$Rt, (sextloadi16 addrmodepc:$addr))]>;
2111 def PICLDRSB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
2113 [(set GPR:$Rt, (sextloadi8 addrmodepc:$addr))]>;
2115 let AddedComplexity = 10 in {
2116 def PICSTR : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
2117 4, IIC_iStore_r, [(store GPR:$src, addrmodepc:$addr)]>;
2119 def PICSTRH : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
2120 4, IIC_iStore_bh_r, [(truncstorei16 GPR:$src,
2121 addrmodepc:$addr)]>;
2123 def PICSTRB : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
2124 4, IIC_iStore_bh_r, [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
2126 } // isNotDuplicable = 1
2129 // LEApcrel - Load a pc-relative address into a register without offending the
2131 let hasSideEffects = 0, isReMaterializable = 1 in
2132 // The 'adr' mnemonic encodes differently if the label is before or after
2133 // the instruction. The {24-21} opcode bits are set by the fixup, as we don't
2134 // know until then which form of the instruction will be used.
2135 def ADR : AI1<{0,?,?,0}, (outs GPR:$Rd), (ins adrlabel:$label),
2136 MiscFrm, IIC_iALUi, "adr", "\t$Rd, $label", []>,
2137 Sched<[WriteALU, ReadALU]> {
2140 let Inst{27-25} = 0b001;
2142 let Inst{23-22} = label{13-12};
2145 let Inst{19-16} = 0b1111;
2146 let Inst{15-12} = Rd;
2147 let Inst{11-0} = label{11-0};
2150 let hasSideEffects = 1 in {
2151 def LEApcrel : ARMPseudoInst<(outs GPR:$Rd), (ins i32imm:$label, pred:$p),
2152 4, IIC_iALUi, []>, Sched<[WriteALU, ReadALU]>;
2154 def LEApcrelJT : ARMPseudoInst<(outs GPR:$Rd),
2155 (ins i32imm:$label, pred:$p),
2156 4, IIC_iALUi, []>, Sched<[WriteALU, ReadALU]>;
2159 //===----------------------------------------------------------------------===//
2160 // Control Flow Instructions.
2163 let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
2165 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
2166 "bx", "\tlr", [(ARMretflag)]>,
2167 Requires<[IsARM, HasV4T]>, Sched<[WriteBr]> {
2168 let Inst{27-0} = 0b0001001011111111111100011110;
2172 def MOVPCLR : AI<(outs), (ins), BrMiscFrm, IIC_Br,
2173 "mov", "\tpc, lr", [(ARMretflag)]>,
2174 Requires<[IsARM, NoV4T]>, Sched<[WriteBr]> {
2175 let Inst{27-0} = 0b0001101000001111000000001110;
2178 // Exception return: N.b. doesn't set CPSR as far as we're concerned (it sets
2179 // the user-space one).
2180 def SUBS_PC_LR : ARMPseudoInst<(outs), (ins i32imm:$offset, pred:$p),
2182 [(ARMintretflag imm:$offset)]>;
2185 // Indirect branches
2186 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
2188 def BX : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
2189 [(brind GPR:$dst)]>,
2190 Requires<[IsARM, HasV4T]>, Sched<[WriteBr]> {
2192 let Inst{31-4} = 0b1110000100101111111111110001;
2193 let Inst{3-0} = dst;
2196 def BX_pred : AI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br,
2197 "bx", "\t$dst", [/* pattern left blank */]>,
2198 Requires<[IsARM, HasV4T]>, Sched<[WriteBr]> {
2200 let Inst{27-4} = 0b000100101111111111110001;
2201 let Inst{3-0} = dst;
2205 // SP is marked as a use to prevent stack-pointer assignments that appear
2206 // immediately before calls from potentially appearing dead.
2208 // FIXME: Do we really need a non-predicated version? If so, it should
2209 // at least be a pseudo instruction expanding to the predicated version
2210 // at MC lowering time.
2211 Defs = [LR], Uses = [SP] in {
2212 def BL : ABXI<0b1011, (outs), (ins arm_bl_target:$func),
2213 IIC_Br, "bl\t$func",
2214 [(ARMcall tglobaladdr:$func)]>,
2215 Requires<[IsARM]>, Sched<[WriteBrL]> {
2216 let Inst{31-28} = 0b1110;
2218 let Inst{23-0} = func;
2219 let DecoderMethod = "DecodeBranchImmInstruction";
2222 def BL_pred : ABI<0b1011, (outs), (ins arm_bl_target:$func),
2223 IIC_Br, "bl", "\t$func",
2224 [(ARMcall_pred tglobaladdr:$func)]>,
2225 Requires<[IsARM]>, Sched<[WriteBrL]> {
2227 let Inst{23-0} = func;
2228 let DecoderMethod = "DecodeBranchImmInstruction";
2232 def BLX : AXI<(outs), (ins GPR:$func), BrMiscFrm,
2233 IIC_Br, "blx\t$func",
2234 [(ARMcall GPR:$func)]>,
2235 Requires<[IsARM, HasV5T]>, Sched<[WriteBrL]> {
2237 let Inst{31-4} = 0b1110000100101111111111110011;
2238 let Inst{3-0} = func;
2241 def BLX_pred : AI<(outs), (ins GPR:$func), BrMiscFrm,
2242 IIC_Br, "blx", "\t$func",
2243 [(ARMcall_pred GPR:$func)]>,
2244 Requires<[IsARM, HasV5T]>, Sched<[WriteBrL]> {
2246 let Inst{27-4} = 0b000100101111111111110011;
2247 let Inst{3-0} = func;
2251 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
2252 def BX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func),
2253 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
2254 Requires<[IsARM, HasV4T]>, Sched<[WriteBr]>;
2257 def BMOVPCRX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func),
2258 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
2259 Requires<[IsARM, NoV4T]>, Sched<[WriteBr]>;
2261 // mov lr, pc; b if callee is marked noreturn to avoid confusing the
2262 // return stack predictor.
2263 def BMOVPCB_CALL : ARMPseudoInst<(outs), (ins arm_bl_target:$func),
2264 8, IIC_Br, [(ARMcall_nolink tglobaladdr:$func)]>,
2265 Requires<[IsARM]>, Sched<[WriteBr]>;
2268 let isBranch = 1, isTerminator = 1 in {
2269 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
2270 // a two-value operand where a dag node expects two operands. :(
2271 def Bcc : ABI<0b1010, (outs), (ins arm_br_target:$target),
2272 IIC_Br, "b", "\t$target",
2273 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]>,
2276 let Inst{23-0} = target;
2277 let DecoderMethod = "DecodeBranchImmInstruction";
2280 let isBarrier = 1 in {
2281 // B is "predicable" since it's just a Bcc with an 'always' condition.
2282 let isPredicable = 1 in
2283 // FIXME: We shouldn't need this pseudo at all. Just using Bcc directly
2284 // should be sufficient.
2285 // FIXME: Is B really a Barrier? That doesn't seem right.
2286 def B : ARMPseudoExpand<(outs), (ins arm_br_target:$target), 4, IIC_Br,
2287 [(br bb:$target)], (Bcc arm_br_target:$target,
2288 (ops 14, zero_reg))>,
2291 let Size = 4, isNotDuplicable = 1, isIndirectBranch = 1 in {
2292 def BR_JTr : ARMPseudoInst<(outs),
2293 (ins GPR:$target, i32imm:$jt),
2295 [(ARMbrjt GPR:$target, tjumptable:$jt)]>,
2297 // FIXME: This shouldn't use the generic "addrmode2," but rather be split
2298 // into i12 and rs suffixed versions.
2299 def BR_JTm : ARMPseudoInst<(outs),
2300 (ins addrmode2:$target, i32imm:$jt),
2302 [(ARMbrjt (i32 (load addrmode2:$target)),
2303 tjumptable:$jt)]>, Sched<[WriteBrTbl]>;
2304 def BR_JTadd : ARMPseudoInst<(outs),
2305 (ins GPR:$target, GPR:$idx, i32imm:$jt),
2307 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt)]>,
2308 Sched<[WriteBrTbl]>;
2309 } // isNotDuplicable = 1, isIndirectBranch = 1
2315 def BLXi : AXI<(outs), (ins arm_blx_target:$target), BrMiscFrm, NoItinerary,
2316 "blx\t$target", []>,
2317 Requires<[IsARM, HasV5T]>, Sched<[WriteBrL]> {
2318 let Inst{31-25} = 0b1111101;
2320 let Inst{23-0} = target{24-1};
2321 let Inst{24} = target{0};
2325 // Branch and Exchange Jazelle
2326 def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
2327 [/* pattern left blank */]>, Sched<[WriteBr]> {
2329 let Inst{23-20} = 0b0010;
2330 let Inst{19-8} = 0xfff;
2331 let Inst{7-4} = 0b0010;
2332 let Inst{3-0} = func;
2338 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, Uses = [SP] in {
2339 def TCRETURNdi : PseudoInst<(outs), (ins i32imm:$dst), IIC_Br, []>,
2342 def TCRETURNri : PseudoInst<(outs), (ins tcGPR:$dst), IIC_Br, []>,
2345 def TAILJMPd : ARMPseudoExpand<(outs), (ins arm_br_target:$dst),
2347 (Bcc arm_br_target:$dst, (ops 14, zero_reg))>,
2348 Requires<[IsARM]>, Sched<[WriteBr]>;
2350 def TAILJMPr : ARMPseudoExpand<(outs), (ins tcGPR:$dst),
2352 (BX GPR:$dst)>, Sched<[WriteBr]>,
2356 // Secure Monitor Call is a system instruction.
2357 def SMC : ABI<0b0001, (outs), (ins imm0_15:$opt), NoItinerary, "smc", "\t$opt",
2358 []>, Requires<[IsARM, HasTrustZone]> {
2360 let Inst{23-4} = 0b01100000000000000111;
2361 let Inst{3-0} = opt;
2363 def : MnemonicAlias<"smi", "smc">;
2365 // Supervisor Call (Software Interrupt)
2366 let isCall = 1, Uses = [SP] in {
2367 def SVC : ABI<0b1111, (outs), (ins imm24b:$svc), IIC_Br, "svc", "\t$svc", []>,
2370 let Inst{23-0} = svc;
2374 // Store Return State
2375 class SRSI<bit wb, string asm>
2376 : XI<(outs), (ins imm0_31:$mode), AddrModeNone, 4, IndexModeNone, BrFrm,
2377 NoItinerary, asm, "", []> {
2379 let Inst{31-28} = 0b1111;
2380 let Inst{27-25} = 0b100;
2384 let Inst{19-16} = 0b1101; // SP
2385 let Inst{15-5} = 0b00000101000;
2386 let Inst{4-0} = mode;
2389 def SRSDA : SRSI<0, "srsda\tsp, $mode"> {
2390 let Inst{24-23} = 0;
2392 def SRSDA_UPD : SRSI<1, "srsda\tsp!, $mode"> {
2393 let Inst{24-23} = 0;
2395 def SRSDB : SRSI<0, "srsdb\tsp, $mode"> {
2396 let Inst{24-23} = 0b10;
2398 def SRSDB_UPD : SRSI<1, "srsdb\tsp!, $mode"> {
2399 let Inst{24-23} = 0b10;
2401 def SRSIA : SRSI<0, "srsia\tsp, $mode"> {
2402 let Inst{24-23} = 0b01;
2404 def SRSIA_UPD : SRSI<1, "srsia\tsp!, $mode"> {
2405 let Inst{24-23} = 0b01;
2407 def SRSIB : SRSI<0, "srsib\tsp, $mode"> {
2408 let Inst{24-23} = 0b11;
2410 def SRSIB_UPD : SRSI<1, "srsib\tsp!, $mode"> {
2411 let Inst{24-23} = 0b11;
2414 def : ARMInstAlias<"srsda $mode", (SRSDA imm0_31:$mode)>;
2415 def : ARMInstAlias<"srsda $mode!", (SRSDA_UPD imm0_31:$mode)>;
2417 def : ARMInstAlias<"srsdb $mode", (SRSDB imm0_31:$mode)>;
2418 def : ARMInstAlias<"srsdb $mode!", (SRSDB_UPD imm0_31:$mode)>;
2420 def : ARMInstAlias<"srsia $mode", (SRSIA imm0_31:$mode)>;
2421 def : ARMInstAlias<"srsia $mode!", (SRSIA_UPD imm0_31:$mode)>;
2423 def : ARMInstAlias<"srsib $mode", (SRSIB imm0_31:$mode)>;
2424 def : ARMInstAlias<"srsib $mode!", (SRSIB_UPD imm0_31:$mode)>;
2426 // Return From Exception
2427 class RFEI<bit wb, string asm>
2428 : XI<(outs), (ins GPR:$Rn), AddrModeNone, 4, IndexModeNone, BrFrm,
2429 NoItinerary, asm, "", []> {
2431 let Inst{31-28} = 0b1111;
2432 let Inst{27-25} = 0b100;
2436 let Inst{19-16} = Rn;
2437 let Inst{15-0} = 0xa00;
2440 def RFEDA : RFEI<0, "rfeda\t$Rn"> {
2441 let Inst{24-23} = 0;
2443 def RFEDA_UPD : RFEI<1, "rfeda\t$Rn!"> {
2444 let Inst{24-23} = 0;
2446 def RFEDB : RFEI<0, "rfedb\t$Rn"> {
2447 let Inst{24-23} = 0b10;
2449 def RFEDB_UPD : RFEI<1, "rfedb\t$Rn!"> {
2450 let Inst{24-23} = 0b10;
2452 def RFEIA : RFEI<0, "rfeia\t$Rn"> {
2453 let Inst{24-23} = 0b01;
2455 def RFEIA_UPD : RFEI<1, "rfeia\t$Rn!"> {
2456 let Inst{24-23} = 0b01;
2458 def RFEIB : RFEI<0, "rfeib\t$Rn"> {
2459 let Inst{24-23} = 0b11;
2461 def RFEIB_UPD : RFEI<1, "rfeib\t$Rn!"> {
2462 let Inst{24-23} = 0b11;
2465 // Hypervisor Call is a system instruction
2467 def HVC : AInoP< (outs), (ins imm0_65535:$imm), BrFrm, NoItinerary,
2468 "hvc", "\t$imm", []>,
2469 Requires<[IsARM, HasVirtualization]> {
2472 // Even though HVC isn't predicable, it's encoding includes a condition field.
2473 // The instruction is undefined if the condition field is 0xf otherwise it is
2474 // unpredictable if it isn't condition AL (0xe).
2475 let Inst{31-28} = 0b1110;
2476 let Unpredictable{31-28} = 0b1111;
2477 let Inst{27-24} = 0b0001;
2478 let Inst{23-20} = 0b0100;
2479 let Inst{19-8} = imm{15-4};
2480 let Inst{7-4} = 0b0111;
2481 let Inst{3-0} = imm{3-0};
2485 // Return from exception in Hypervisor mode.
2486 let isReturn = 1, isBarrier = 1, isTerminator = 1, Defs = [PC] in
2487 def ERET : ABI<0b0001, (outs), (ins), NoItinerary, "eret", "", []>,
2488 Requires<[IsARM, HasVirtualization]> {
2489 let Inst{23-0} = 0b011000000000000001101110;
2492 //===----------------------------------------------------------------------===//
2493 // Load / Store Instructions.
2499 defm LDR : AI_ldr1<0, "ldr", IIC_iLoad_r, IIC_iLoad_si, load>;
2500 defm LDRB : AI_ldr1nopc<1, "ldrb", IIC_iLoad_bh_r, IIC_iLoad_bh_si,
2502 defm STR : AI_str1<0, "str", IIC_iStore_r, IIC_iStore_si, store>;
2503 defm STRB : AI_str1nopc<1, "strb", IIC_iStore_bh_r, IIC_iStore_bh_si,
2506 // Special LDR for loads from non-pc-relative constpools.
2507 let canFoldAsLoad = 1, mayLoad = 1, hasSideEffects = 0,
2508 isReMaterializable = 1, isCodeGenOnly = 1 in
2509 def LDRcp : AI2ldst<0b010, 1, 0, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
2510 AddrMode_i12, LdFrm, IIC_iLoad_r, "ldr", "\t$Rt, $addr",
2514 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2515 let Inst{19-16} = 0b1111;
2516 let Inst{15-12} = Rt;
2517 let Inst{11-0} = addr{11-0}; // imm12
2520 // Loads with zero extension
2521 def LDRH : AI3ld<0b1011, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
2522 IIC_iLoad_bh_r, "ldrh", "\t$Rt, $addr",
2523 [(set GPR:$Rt, (zextloadi16 addrmode3:$addr))]>;
2525 // Loads with sign extension
2526 def LDRSH : AI3ld<0b1111, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
2527 IIC_iLoad_bh_r, "ldrsh", "\t$Rt, $addr",
2528 [(set GPR:$Rt, (sextloadi16 addrmode3:$addr))]>;
2530 def LDRSB : AI3ld<0b1101, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
2531 IIC_iLoad_bh_r, "ldrsb", "\t$Rt, $addr",
2532 [(set GPR:$Rt, (sextloadi8 addrmode3:$addr))]>;
2534 let mayLoad = 1, hasSideEffects = 0, hasExtraDefRegAllocReq = 1 in {
2536 def LDRD : AI3ld<0b1101, 0, (outs GPR:$Rt, GPR:$Rt2), (ins addrmode3:$addr),
2537 LdMiscFrm, IIC_iLoad_d_r, "ldrd", "\t$Rt, $Rt2, $addr", []>,
2538 Requires<[IsARM, HasV5TE]>;
2541 def LDA : AIldracq<0b00, (outs GPR:$Rt), (ins addr_offset_none:$addr),
2542 NoItinerary, "lda", "\t$Rt, $addr", []>;
2543 def LDAB : AIldracq<0b10, (outs GPR:$Rt), (ins addr_offset_none:$addr),
2544 NoItinerary, "ldab", "\t$Rt, $addr", []>;
2545 def LDAH : AIldracq<0b11, (outs GPR:$Rt), (ins addr_offset_none:$addr),
2546 NoItinerary, "ldah", "\t$Rt, $addr", []>;
2549 multiclass AI2_ldridx<bit isByte, string opc,
2550 InstrItinClass iii, InstrItinClass iir> {
2551 def _PRE_IMM : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb),
2552 (ins addrmode_imm12_pre:$addr), IndexModePre, LdFrm, iii,
2553 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2556 let Inst{23} = addr{12};
2557 let Inst{19-16} = addr{16-13};
2558 let Inst{11-0} = addr{11-0};
2559 let DecoderMethod = "DecodeLDRPreImm";
2562 def _PRE_REG : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb),
2563 (ins ldst_so_reg:$addr), IndexModePre, LdFrm, iir,
2564 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2567 let Inst{23} = addr{12};
2568 let Inst{19-16} = addr{16-13};
2569 let Inst{11-0} = addr{11-0};
2571 let DecoderMethod = "DecodeLDRPreReg";
2574 def _POST_REG : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2575 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2576 IndexModePost, LdFrm, iir,
2577 opc, "\t$Rt, $addr, $offset",
2578 "$addr.base = $Rn_wb", []> {
2584 let Inst{23} = offset{12};
2585 let Inst{19-16} = addr;
2586 let Inst{11-0} = offset{11-0};
2589 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2592 def _POST_IMM : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2593 (ins addr_offset_none:$addr, am2offset_imm:$offset),
2594 IndexModePost, LdFrm, iii,
2595 opc, "\t$Rt, $addr, $offset",
2596 "$addr.base = $Rn_wb", []> {
2602 let Inst{23} = offset{12};
2603 let Inst{19-16} = addr;
2604 let Inst{11-0} = offset{11-0};
2606 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2611 let mayLoad = 1, hasSideEffects = 0 in {
2612 // FIXME: for LDR_PRE_REG etc. the itineray should be either IIC_iLoad_ru or
2613 // IIC_iLoad_siu depending on whether it the offset register is shifted.
2614 defm LDR : AI2_ldridx<0, "ldr", IIC_iLoad_iu, IIC_iLoad_ru>;
2615 defm LDRB : AI2_ldridx<1, "ldrb", IIC_iLoad_bh_iu, IIC_iLoad_bh_ru>;
2618 multiclass AI3_ldridx<bits<4> op, string opc, InstrItinClass itin> {
2619 def _PRE : AI3ldstidx<op, 1, 1, (outs GPR:$Rt, GPR:$Rn_wb),
2620 (ins addrmode3_pre:$addr), IndexModePre,
2622 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2624 let Inst{23} = addr{8}; // U bit
2625 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2626 let Inst{19-16} = addr{12-9}; // Rn
2627 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2628 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2629 let DecoderMethod = "DecodeAddrMode3Instruction";
2631 def _POST : AI3ldstidx<op, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2632 (ins addr_offset_none:$addr, am3offset:$offset),
2633 IndexModePost, LdMiscFrm, itin,
2634 opc, "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb",
2638 let Inst{23} = offset{8}; // U bit
2639 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2640 let Inst{19-16} = addr;
2641 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2642 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2643 let DecoderMethod = "DecodeAddrMode3Instruction";
2647 let mayLoad = 1, hasSideEffects = 0 in {
2648 defm LDRH : AI3_ldridx<0b1011, "ldrh", IIC_iLoad_bh_ru>;
2649 defm LDRSH : AI3_ldridx<0b1111, "ldrsh", IIC_iLoad_bh_ru>;
2650 defm LDRSB : AI3_ldridx<0b1101, "ldrsb", IIC_iLoad_bh_ru>;
2651 let hasExtraDefRegAllocReq = 1 in {
2652 def LDRD_PRE : AI3ldstidx<0b1101, 0, 1, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
2653 (ins addrmode3_pre:$addr), IndexModePre,
2654 LdMiscFrm, IIC_iLoad_d_ru,
2655 "ldrd", "\t$Rt, $Rt2, $addr!",
2656 "$addr.base = $Rn_wb", []> {
2658 let Inst{23} = addr{8}; // U bit
2659 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2660 let Inst{19-16} = addr{12-9}; // Rn
2661 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2662 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2663 let DecoderMethod = "DecodeAddrMode3Instruction";
2665 def LDRD_POST: AI3ldstidx<0b1101, 0, 0, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
2666 (ins addr_offset_none:$addr, am3offset:$offset),
2667 IndexModePost, LdMiscFrm, IIC_iLoad_d_ru,
2668 "ldrd", "\t$Rt, $Rt2, $addr, $offset",
2669 "$addr.base = $Rn_wb", []> {
2672 let Inst{23} = offset{8}; // U bit
2673 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2674 let Inst{19-16} = addr;
2675 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2676 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2677 let DecoderMethod = "DecodeAddrMode3Instruction";
2679 } // hasExtraDefRegAllocReq = 1
2680 } // mayLoad = 1, hasSideEffects = 0
2682 // LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT.
2683 let mayLoad = 1, hasSideEffects = 0 in {
2684 def LDRT_POST_REG : AI2ldstidx<1, 0, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2685 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2686 IndexModePost, LdFrm, IIC_iLoad_ru,
2687 "ldrt", "\t$Rt, $addr, $offset",
2688 "$addr.base = $Rn_wb", []> {
2694 let Inst{23} = offset{12};
2695 let Inst{21} = 1; // overwrite
2696 let Inst{19-16} = addr;
2697 let Inst{11-5} = offset{11-5};
2699 let Inst{3-0} = offset{3-0};
2700 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2704 : AI2ldstidx<1, 0, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2705 (ins addr_offset_none:$addr, am2offset_imm:$offset),
2706 IndexModePost, LdFrm, IIC_iLoad_ru,
2707 "ldrt", "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb", []> {
2713 let Inst{23} = offset{12};
2714 let Inst{21} = 1; // overwrite
2715 let Inst{19-16} = addr;
2716 let Inst{11-0} = offset{11-0};
2717 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2720 def LDRBT_POST_REG : AI2ldstidx<1, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2721 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2722 IndexModePost, LdFrm, IIC_iLoad_bh_ru,
2723 "ldrbt", "\t$Rt, $addr, $offset",
2724 "$addr.base = $Rn_wb", []> {
2730 let Inst{23} = offset{12};
2731 let Inst{21} = 1; // overwrite
2732 let Inst{19-16} = addr;
2733 let Inst{11-5} = offset{11-5};
2735 let Inst{3-0} = offset{3-0};
2736 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2740 : AI2ldstidx<1, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2741 (ins addr_offset_none:$addr, am2offset_imm:$offset),
2742 IndexModePost, LdFrm, IIC_iLoad_bh_ru,
2743 "ldrbt", "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb", []> {
2749 let Inst{23} = offset{12};
2750 let Inst{21} = 1; // overwrite
2751 let Inst{19-16} = addr;
2752 let Inst{11-0} = offset{11-0};
2753 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2756 multiclass AI3ldrT<bits<4> op, string opc> {
2757 def i : AI3ldstidxT<op, 1, (outs GPR:$Rt, GPR:$base_wb),
2758 (ins addr_offset_none:$addr, postidx_imm8:$offset),
2759 IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru, opc,
2760 "\t$Rt, $addr, $offset", "$addr.base = $base_wb", []> {
2762 let Inst{23} = offset{8};
2764 let Inst{11-8} = offset{7-4};
2765 let Inst{3-0} = offset{3-0};
2767 def r : AI3ldstidxT<op, 1, (outs GPRnopc:$Rt, GPRnopc:$base_wb),
2768 (ins addr_offset_none:$addr, postidx_reg:$Rm),
2769 IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru, opc,
2770 "\t$Rt, $addr, $Rm", "$addr.base = $base_wb", []> {
2772 let Inst{23} = Rm{4};
2775 let Unpredictable{11-8} = 0b1111;
2776 let Inst{3-0} = Rm{3-0};
2777 let DecoderMethod = "DecodeLDR";
2781 defm LDRSBT : AI3ldrT<0b1101, "ldrsbt">;
2782 defm LDRHT : AI3ldrT<0b1011, "ldrht">;
2783 defm LDRSHT : AI3ldrT<0b1111, "ldrsht">;
2787 : ARMAsmPseudo<"ldrt${q} $Rt, $addr", (ins addr_offset_none:$addr, pred:$q),
2791 : ARMAsmPseudo<"ldrbt${q} $Rt, $addr", (ins addr_offset_none:$addr, pred:$q),
2794 // Pseudo instruction ldr Rt, =immediate
2796 : ARMAsmPseudo<"ldr${q} $Rt, $immediate",
2797 (ins const_pool_asm_imm:$immediate, pred:$q),
2802 // Stores with truncate
2803 def STRH : AI3str<0b1011, (outs), (ins GPR:$Rt, addrmode3:$addr), StMiscFrm,
2804 IIC_iStore_bh_r, "strh", "\t$Rt, $addr",
2805 [(truncstorei16 GPR:$Rt, addrmode3:$addr)]>;
2808 let mayStore = 1, hasSideEffects = 0, hasExtraSrcRegAllocReq = 1 in {
2809 def STRD : AI3str<0b1111, (outs), (ins GPR:$Rt, GPR:$Rt2, addrmode3:$addr),
2810 StMiscFrm, IIC_iStore_d_r, "strd", "\t$Rt, $Rt2, $addr", []>,
2811 Requires<[IsARM, HasV5TE]> {
2817 multiclass AI2_stridx<bit isByte, string opc,
2818 InstrItinClass iii, InstrItinClass iir> {
2819 def _PRE_IMM : AI2ldstidx<0, isByte, 1, (outs GPR:$Rn_wb),
2820 (ins GPR:$Rt, addrmode_imm12_pre:$addr), IndexModePre,
2822 opc, "\t$Rt, $addr!",
2823 "$addr.base = $Rn_wb,@earlyclobber $Rn_wb", []> {
2826 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2827 let Inst{19-16} = addr{16-13}; // Rn
2828 let Inst{11-0} = addr{11-0}; // imm12
2829 let DecoderMethod = "DecodeSTRPreImm";
2832 def _PRE_REG : AI2ldstidx<0, isByte, 1, (outs GPR:$Rn_wb),
2833 (ins GPR:$Rt, ldst_so_reg:$addr),
2834 IndexModePre, StFrm, iir,
2835 opc, "\t$Rt, $addr!",
2836 "$addr.base = $Rn_wb,@earlyclobber $Rn_wb", []> {
2839 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2840 let Inst{19-16} = addr{16-13}; // Rn
2841 let Inst{11-0} = addr{11-0};
2842 let Inst{4} = 0; // Inst{4} = 0
2843 let DecoderMethod = "DecodeSTRPreReg";
2845 def _POST_REG : AI2ldstidx<0, isByte, 0, (outs GPR:$Rn_wb),
2846 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_reg:$offset),
2847 IndexModePost, StFrm, iir,
2848 opc, "\t$Rt, $addr, $offset",
2849 "$addr.base = $Rn_wb,@earlyclobber $Rn_wb", []> {
2855 let Inst{23} = offset{12};
2856 let Inst{19-16} = addr;
2857 let Inst{11-0} = offset{11-0};
2860 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2863 def _POST_IMM : AI2ldstidx<0, isByte, 0, (outs GPR:$Rn_wb),
2864 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_imm:$offset),
2865 IndexModePost, StFrm, iii,
2866 opc, "\t$Rt, $addr, $offset",
2867 "$addr.base = $Rn_wb,@earlyclobber $Rn_wb", []> {
2873 let Inst{23} = offset{12};
2874 let Inst{19-16} = addr;
2875 let Inst{11-0} = offset{11-0};
2877 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2881 let mayStore = 1, hasSideEffects = 0 in {
2882 // FIXME: for STR_PRE_REG etc. the itineray should be either IIC_iStore_ru or
2883 // IIC_iStore_siu depending on whether it the offset register is shifted.
2884 defm STR : AI2_stridx<0, "str", IIC_iStore_iu, IIC_iStore_ru>;
2885 defm STRB : AI2_stridx<1, "strb", IIC_iStore_bh_iu, IIC_iStore_bh_ru>;
2888 def : ARMPat<(post_store GPR:$Rt, addr_offset_none:$addr,
2889 am2offset_reg:$offset),
2890 (STR_POST_REG GPR:$Rt, addr_offset_none:$addr,
2891 am2offset_reg:$offset)>;
2892 def : ARMPat<(post_store GPR:$Rt, addr_offset_none:$addr,
2893 am2offset_imm:$offset),
2894 (STR_POST_IMM GPR:$Rt, addr_offset_none:$addr,
2895 am2offset_imm:$offset)>;
2896 def : ARMPat<(post_truncsti8 GPR:$Rt, addr_offset_none:$addr,
2897 am2offset_reg:$offset),
2898 (STRB_POST_REG GPR:$Rt, addr_offset_none:$addr,
2899 am2offset_reg:$offset)>;
2900 def : ARMPat<(post_truncsti8 GPR:$Rt, addr_offset_none:$addr,
2901 am2offset_imm:$offset),
2902 (STRB_POST_IMM GPR:$Rt, addr_offset_none:$addr,
2903 am2offset_imm:$offset)>;
2905 // Pseudo-instructions for pattern matching the pre-indexed stores. We can't
2906 // put the patterns on the instruction definitions directly as ISel wants
2907 // the address base and offset to be separate operands, not a single
2908 // complex operand like we represent the instructions themselves. The
2909 // pseudos map between the two.
2910 let usesCustomInserter = 1,
2911 Constraints = "$Rn = $Rn_wb,@earlyclobber $Rn_wb" in {
2912 def STRi_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2913 (ins GPR:$Rt, GPR:$Rn, am2offset_imm:$offset, pred:$p),
2916 (pre_store GPR:$Rt, GPR:$Rn, am2offset_imm:$offset))]>;
2917 def STRr_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2918 (ins GPR:$Rt, GPR:$Rn, am2offset_reg:$offset, pred:$p),
2921 (pre_store GPR:$Rt, GPR:$Rn, am2offset_reg:$offset))]>;
2922 def STRBi_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2923 (ins GPR:$Rt, GPR:$Rn, am2offset_imm:$offset, pred:$p),
2926 (pre_truncsti8 GPR:$Rt, GPR:$Rn, am2offset_imm:$offset))]>;
2927 def STRBr_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2928 (ins GPR:$Rt, GPR:$Rn, am2offset_reg:$offset, pred:$p),
2931 (pre_truncsti8 GPR:$Rt, GPR:$Rn, am2offset_reg:$offset))]>;
2932 def STRH_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2933 (ins GPR:$Rt, GPR:$Rn, am3offset:$offset, pred:$p),
2936 (pre_truncsti16 GPR:$Rt, GPR:$Rn, am3offset:$offset))]>;
2941 def STRH_PRE : AI3ldstidx<0b1011, 0, 1, (outs GPR:$Rn_wb),
2942 (ins GPR:$Rt, addrmode3_pre:$addr), IndexModePre,
2943 StMiscFrm, IIC_iStore_bh_ru,
2944 "strh", "\t$Rt, $addr!",
2945 "$addr.base = $Rn_wb,@earlyclobber $Rn_wb", []> {
2947 let Inst{23} = addr{8}; // U bit
2948 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2949 let Inst{19-16} = addr{12-9}; // Rn
2950 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2951 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2952 let DecoderMethod = "DecodeAddrMode3Instruction";
2955 def STRH_POST : AI3ldstidx<0b1011, 0, 0, (outs GPR:$Rn_wb),
2956 (ins GPR:$Rt, addr_offset_none:$addr, am3offset:$offset),
2957 IndexModePost, StMiscFrm, IIC_iStore_bh_ru,
2958 "strh", "\t$Rt, $addr, $offset",
2959 "$addr.base = $Rn_wb,@earlyclobber $Rn_wb",
2960 [(set GPR:$Rn_wb, (post_truncsti16 GPR:$Rt,
2961 addr_offset_none:$addr,
2962 am3offset:$offset))]> {
2965 let Inst{23} = offset{8}; // U bit
2966 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2967 let Inst{19-16} = addr;
2968 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2969 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2970 let DecoderMethod = "DecodeAddrMode3Instruction";
2973 let mayStore = 1, hasSideEffects = 0, hasExtraSrcRegAllocReq = 1 in {
2974 def STRD_PRE : AI3ldstidx<0b1111, 0, 1, (outs GPR:$Rn_wb),
2975 (ins GPR:$Rt, GPR:$Rt2, addrmode3_pre:$addr),
2976 IndexModePre, StMiscFrm, IIC_iStore_d_ru,
2977 "strd", "\t$Rt, $Rt2, $addr!",
2978 "$addr.base = $Rn_wb", []> {
2980 let Inst{23} = addr{8}; // U bit
2981 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2982 let Inst{19-16} = addr{12-9}; // Rn
2983 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2984 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2985 let DecoderMethod = "DecodeAddrMode3Instruction";
2988 def STRD_POST: AI3ldstidx<0b1111, 0, 0, (outs GPR:$Rn_wb),
2989 (ins GPR:$Rt, GPR:$Rt2, addr_offset_none:$addr,
2991 IndexModePost, StMiscFrm, IIC_iStore_d_ru,
2992 "strd", "\t$Rt, $Rt2, $addr, $offset",
2993 "$addr.base = $Rn_wb", []> {
2996 let Inst{23} = offset{8}; // U bit
2997 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2998 let Inst{19-16} = addr;
2999 let Inst{11-8} = offset{7-4}; // imm7_4/zero
3000 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
3001 let DecoderMethod = "DecodeAddrMode3Instruction";
3003 } // mayStore = 1, hasSideEffects = 0, hasExtraSrcRegAllocReq = 1
3005 // STRT, STRBT, and STRHT
3007 def STRBT_POST_REG : AI2ldstidx<0, 1, 0, (outs GPR:$Rn_wb),
3008 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_reg:$offset),
3009 IndexModePost, StFrm, IIC_iStore_bh_ru,
3010 "strbt", "\t$Rt, $addr, $offset",
3011 "$addr.base = $Rn_wb", []> {
3017 let Inst{23} = offset{12};
3018 let Inst{21} = 1; // overwrite
3019 let Inst{19-16} = addr;
3020 let Inst{11-5} = offset{11-5};
3022 let Inst{3-0} = offset{3-0};
3023 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
3027 : AI2ldstidx<0, 1, 0, (outs GPR:$Rn_wb),
3028 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_imm:$offset),
3029 IndexModePost, StFrm, IIC_iStore_bh_ru,
3030 "strbt", "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb", []> {
3036 let Inst{23} = offset{12};
3037 let Inst{21} = 1; // overwrite
3038 let Inst{19-16} = addr;
3039 let Inst{11-0} = offset{11-0};
3040 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
3044 : ARMAsmPseudo<"strbt${q} $Rt, $addr",
3045 (ins GPR:$Rt, addr_offset_none:$addr, pred:$q)>;
3047 let mayStore = 1, hasSideEffects = 0 in {
3048 def STRT_POST_REG : AI2ldstidx<0, 0, 0, (outs GPR:$Rn_wb),
3049 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_reg:$offset),
3050 IndexModePost, StFrm, IIC_iStore_ru,
3051 "strt", "\t$Rt, $addr, $offset",
3052 "$addr.base = $Rn_wb", []> {
3058 let Inst{23} = offset{12};
3059 let Inst{21} = 1; // overwrite
3060 let Inst{19-16} = addr;
3061 let Inst{11-5} = offset{11-5};
3063 let Inst{3-0} = offset{3-0};
3064 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
3068 : AI2ldstidx<0, 0, 0, (outs GPR:$Rn_wb),
3069 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_imm:$offset),
3070 IndexModePost, StFrm, IIC_iStore_ru,
3071 "strt", "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb", []> {
3077 let Inst{23} = offset{12};
3078 let Inst{21} = 1; // overwrite
3079 let Inst{19-16} = addr;
3080 let Inst{11-0} = offset{11-0};
3081 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
3086 : ARMAsmPseudo<"strt${q} $Rt, $addr",
3087 (ins GPR:$Rt, addr_offset_none:$addr, pred:$q)>;
3089 multiclass AI3strT<bits<4> op, string opc> {
3090 def i : AI3ldstidxT<op, 0, (outs GPR:$base_wb),
3091 (ins GPR:$Rt, addr_offset_none:$addr, postidx_imm8:$offset),
3092 IndexModePost, StMiscFrm, IIC_iStore_bh_ru, opc,
3093 "\t$Rt, $addr, $offset", "$addr.base = $base_wb", []> {
3095 let Inst{23} = offset{8};
3097 let Inst{11-8} = offset{7-4};
3098 let Inst{3-0} = offset{3-0};
3100 def r : AI3ldstidxT<op, 0, (outs GPR:$base_wb),
3101 (ins GPR:$Rt, addr_offset_none:$addr, postidx_reg:$Rm),
3102 IndexModePost, StMiscFrm, IIC_iStore_bh_ru, opc,
3103 "\t$Rt, $addr, $Rm", "$addr.base = $base_wb", []> {
3105 let Inst{23} = Rm{4};
3108 let Inst{3-0} = Rm{3-0};
3113 defm STRHT : AI3strT<0b1011, "strht">;
3115 def STL : AIstrrel<0b00, (outs), (ins GPR:$Rt, addr_offset_none:$addr),
3116 NoItinerary, "stl", "\t$Rt, $addr", []>;
3117 def STLB : AIstrrel<0b10, (outs), (ins GPR:$Rt, addr_offset_none:$addr),
3118 NoItinerary, "stlb", "\t$Rt, $addr", []>;
3119 def STLH : AIstrrel<0b11, (outs), (ins GPR:$Rt, addr_offset_none:$addr),
3120 NoItinerary, "stlh", "\t$Rt, $addr", []>;
3122 //===----------------------------------------------------------------------===//
3123 // Load / store multiple Instructions.
3126 multiclass arm_ldst_mult<string asm, string sfx, bit L_bit, bit P_bit, Format f,
3127 InstrItinClass itin, InstrItinClass itin_upd> {
3128 // IA is the default, so no need for an explicit suffix on the
3129 // mnemonic here. Without it is the canonical spelling.
3131 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
3132 IndexModeNone, f, itin,
3133 !strconcat(asm, "${p}\t$Rn, $regs", sfx), "", []> {
3134 let Inst{24-23} = 0b01; // Increment After
3135 let Inst{22} = P_bit;
3136 let Inst{21} = 0; // No writeback
3137 let Inst{20} = L_bit;
3140 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
3141 IndexModeUpd, f, itin_upd,
3142 !strconcat(asm, "${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
3143 let Inst{24-23} = 0b01; // Increment After
3144 let Inst{22} = P_bit;
3145 let Inst{21} = 1; // Writeback
3146 let Inst{20} = L_bit;
3148 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
3151 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
3152 IndexModeNone, f, itin,
3153 !strconcat(asm, "da${p}\t$Rn, $regs", sfx), "", []> {
3154 let Inst{24-23} = 0b00; // Decrement After
3155 let Inst{22} = P_bit;
3156 let Inst{21} = 0; // No writeback
3157 let Inst{20} = L_bit;
3160 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
3161 IndexModeUpd, f, itin_upd,
3162 !strconcat(asm, "da${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
3163 let Inst{24-23} = 0b00; // Decrement After
3164 let Inst{22} = P_bit;
3165 let Inst{21} = 1; // Writeback
3166 let Inst{20} = L_bit;
3168 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
3171 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
3172 IndexModeNone, f, itin,
3173 !strconcat(asm, "db${p}\t$Rn, $regs", sfx), "", []> {
3174 let Inst{24-23} = 0b10; // Decrement Before
3175 let Inst{22} = P_bit;
3176 let Inst{21} = 0; // No writeback
3177 let Inst{20} = L_bit;
3180 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
3181 IndexModeUpd, f, itin_upd,
3182 !strconcat(asm, "db${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
3183 let Inst{24-23} = 0b10; // Decrement Before
3184 let Inst{22} = P_bit;
3185 let Inst{21} = 1; // Writeback
3186 let Inst{20} = L_bit;
3188 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
3191 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
3192 IndexModeNone, f, itin,
3193 !strconcat(asm, "ib${p}\t$Rn, $regs", sfx), "", []> {
3194 let Inst{24-23} = 0b11; // Increment Before
3195 let Inst{22} = P_bit;
3196 let Inst{21} = 0; // No writeback
3197 let Inst{20} = L_bit;
3200 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
3201 IndexModeUpd, f, itin_upd,
3202 !strconcat(asm, "ib${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
3203 let Inst{24-23} = 0b11; // Increment Before
3204 let Inst{22} = P_bit;
3205 let Inst{21} = 1; // Writeback
3206 let Inst{20} = L_bit;
3208 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
3212 let hasSideEffects = 0 in {
3214 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
3215 defm LDM : arm_ldst_mult<"ldm", "", 1, 0, LdStMulFrm, IIC_iLoad_m,
3216 IIC_iLoad_mu>, ComplexDeprecationPredicate<"ARMLoad">;
3218 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
3219 defm STM : arm_ldst_mult<"stm", "", 0, 0, LdStMulFrm, IIC_iStore_m,
3221 ComplexDeprecationPredicate<"ARMStore">;
3225 // FIXME: remove when we have a way to marking a MI with these properties.
3226 // FIXME: Should pc be an implicit operand like PICADD, etc?
3227 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
3228 hasExtraDefRegAllocReq = 1, isCodeGenOnly = 1 in
3229 def LDMIA_RET : ARMPseudoExpand<(outs GPR:$wb), (ins GPR:$Rn, pred:$p,
3230 reglist:$regs, variable_ops),
3231 4, IIC_iLoad_mBr, [],
3232 (LDMIA_UPD GPR:$wb, GPR:$Rn, pred:$p, reglist:$regs)>,
3233 RegConstraint<"$Rn = $wb">;
3235 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
3236 defm sysLDM : arm_ldst_mult<"ldm", " ^", 1, 1, LdStMulFrm, IIC_iLoad_m,
3239 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
3240 defm sysSTM : arm_ldst_mult<"stm", " ^", 0, 1, LdStMulFrm, IIC_iStore_m,
3245 //===----------------------------------------------------------------------===//
3246 // Move Instructions.
3249 let hasSideEffects = 0 in
3250 def MOVr : AsI1<0b1101, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMOVr,
3251 "mov", "\t$Rd, $Rm", []>, UnaryDP, Sched<[WriteALU]> {
3255 let Inst{19-16} = 0b0000;
3256 let Inst{11-4} = 0b00000000;
3259 let Inst{15-12} = Rd;
3262 // A version for the smaller set of tail call registers.
3263 let hasSideEffects = 0 in
3264 def MOVr_TC : AsI1<0b1101, (outs tcGPR:$Rd), (ins tcGPR:$Rm), DPFrm,
3265 IIC_iMOVr, "mov", "\t$Rd, $Rm", []>, UnaryDP, Sched<[WriteALU]> {
3269 let Inst{11-4} = 0b00000000;
3272 let Inst{15-12} = Rd;
3275 def MOVsr : AsI1<0b1101, (outs GPRnopc:$Rd), (ins shift_so_reg_reg:$src),
3276 DPSoRegRegFrm, IIC_iMOVsr,
3277 "mov", "\t$Rd, $src",
3278 [(set GPRnopc:$Rd, shift_so_reg_reg:$src)]>, UnaryDP,
3282 let Inst{15-12} = Rd;
3283 let Inst{19-16} = 0b0000;
3284 let Inst{11-8} = src{11-8};
3286 let Inst{6-5} = src{6-5};
3288 let Inst{3-0} = src{3-0};
3292 def MOVsi : AsI1<0b1101, (outs GPR:$Rd), (ins shift_so_reg_imm:$src),
3293 DPSoRegImmFrm, IIC_iMOVsr,
3294 "mov", "\t$Rd, $src", [(set GPR:$Rd, shift_so_reg_imm:$src)]>,
3295 UnaryDP, Sched<[WriteALU]> {
3298 let Inst{15-12} = Rd;
3299 let Inst{19-16} = 0b0000;
3300 let Inst{11-5} = src{11-5};
3302 let Inst{3-0} = src{3-0};
3306 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
3307 def MOVi : AsI1<0b1101, (outs GPR:$Rd), (ins mod_imm:$imm), DPFrm, IIC_iMOVi,
3308 "mov", "\t$Rd, $imm", [(set GPR:$Rd, mod_imm:$imm)]>, UnaryDP,
3313 let Inst{15-12} = Rd;
3314 let Inst{19-16} = 0b0000;
3315 let Inst{11-0} = imm;
3318 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
3319 def MOVi16 : AI1<0b1000, (outs GPR:$Rd), (ins imm0_65535_expr:$imm),
3321 "movw", "\t$Rd, $imm",
3322 [(set GPR:$Rd, imm0_65535:$imm)]>,
3323 Requires<[IsARM, HasV6T2]>, UnaryDP, Sched<[WriteALU]> {
3326 let Inst{15-12} = Rd;
3327 let Inst{11-0} = imm{11-0};
3328 let Inst{19-16} = imm{15-12};
3331 let DecoderMethod = "DecodeArmMOVTWInstruction";
3334 def : InstAlias<"mov${p} $Rd, $imm",
3335 (MOVi16 GPR:$Rd, imm0_65535_expr:$imm, pred:$p), 0>,
3336 Requires<[IsARM, HasV6T2]>;
3338 def MOVi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
3339 (ins i32imm:$addr, pclabel:$id), IIC_iMOVi, []>,
3342 let Constraints = "$src = $Rd" in {
3343 def MOVTi16 : AI1<0b1010, (outs GPRnopc:$Rd),
3344 (ins GPR:$src, imm0_65535_expr:$imm),
3346 "movt", "\t$Rd, $imm",
3348 (or (and GPR:$src, 0xffff),
3349 lo16AllZero:$imm))]>, UnaryDP,
3350 Requires<[IsARM, HasV6T2]>, Sched<[WriteALU]> {
3353 let Inst{15-12} = Rd;
3354 let Inst{11-0} = imm{11-0};
3355 let Inst{19-16} = imm{15-12};
3358 let DecoderMethod = "DecodeArmMOVTWInstruction";
3361 def MOVTi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
3362 (ins GPR:$src, i32imm:$addr, pclabel:$id), IIC_iMOVi, []>,
3367 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
3368 Requires<[IsARM, HasV6T2]>;
3370 let Uses = [CPSR] in
3371 def RRX: PseudoInst<(outs GPR:$Rd), (ins GPR:$Rm), IIC_iMOVsi,
3372 [(set GPR:$Rd, (ARMrrx GPR:$Rm))]>, UnaryDP,
3373 Requires<[IsARM]>, Sched<[WriteALU]>;
3375 // These aren't really mov instructions, but we have to define them this way
3376 // due to flag operands.
3378 let Defs = [CPSR] in {
3379 def MOVsrl_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
3380 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP,
3381 Sched<[WriteALU]>, Requires<[IsARM]>;
3382 def MOVsra_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
3383 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP,
3384 Sched<[WriteALU]>, Requires<[IsARM]>;
3387 //===----------------------------------------------------------------------===//
3388 // Extend Instructions.
3393 def SXTB : AI_ext_rrot<0b01101010,
3394 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
3395 def SXTH : AI_ext_rrot<0b01101011,
3396 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
3398 def SXTAB : AI_exta_rrot<0b01101010,
3399 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
3400 def SXTAH : AI_exta_rrot<0b01101011,
3401 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
3403 def SXTB16 : AI_ext_rrot_np<0b01101000, "sxtb16">;
3405 def SXTAB16 : AI_exta_rrot_np<0b01101000, "sxtab16">;
3409 let AddedComplexity = 16 in {
3410 def UXTB : AI_ext_rrot<0b01101110,
3411 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
3412 def UXTH : AI_ext_rrot<0b01101111,
3413 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
3414 def UXTB16 : AI_ext_rrot<0b01101100,
3415 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
3417 // FIXME: This pattern incorrectly assumes the shl operator is a rotate.
3418 // The transformation should probably be done as a combiner action
3419 // instead so we can include a check for masking back in the upper
3420 // eight bits of the source into the lower eight bits of the result.
3421 //def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
3422 // (UXTB16r_rot GPR:$Src, 3)>;
3423 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
3424 (UXTB16 GPR:$Src, 1)>;
3426 def UXTAB : AI_exta_rrot<0b01101110, "uxtab",
3427 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
3428 def UXTAH : AI_exta_rrot<0b01101111, "uxtah",
3429 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
3432 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
3433 def UXTAB16 : AI_exta_rrot_np<0b01101100, "uxtab16">;
3436 def SBFX : I<(outs GPRnopc:$Rd),
3437 (ins GPRnopc:$Rn, imm0_31:$lsb, imm1_32:$width),
3438 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3439 "sbfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
3440 Requires<[IsARM, HasV6T2]> {
3445 let Inst{27-21} = 0b0111101;
3446 let Inst{6-4} = 0b101;
3447 let Inst{20-16} = width;
3448 let Inst{15-12} = Rd;
3449 let Inst{11-7} = lsb;
3453 def UBFX : I<(outs GPRnopc:$Rd),
3454 (ins GPRnopc:$Rn, imm0_31:$lsb, imm1_32:$width),
3455 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3456 "ubfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
3457 Requires<[IsARM, HasV6T2]> {
3462 let Inst{27-21} = 0b0111111;
3463 let Inst{6-4} = 0b101;
3464 let Inst{20-16} = width;
3465 let Inst{15-12} = Rd;
3466 let Inst{11-7} = lsb;
3470 //===----------------------------------------------------------------------===//
3471 // Arithmetic Instructions.
3474 defm ADD : AsI1_bin_irs<0b0100, "add",
3475 IIC_iALUi, IIC_iALUr, IIC_iALUsr, add, 1>;
3476 defm SUB : AsI1_bin_irs<0b0010, "sub",
3477 IIC_iALUi, IIC_iALUr, IIC_iALUsr, sub>;
3479 // ADD and SUB with 's' bit set.
3481 // Currently, ADDS/SUBS are pseudo opcodes that exist only in the
3482 // selection DAG. They are "lowered" to real ADD/SUB opcodes by
3483 // AdjustInstrPostInstrSelection where we determine whether or not to
3484 // set the "s" bit based on CPSR liveness.
3486 // FIXME: Eliminate ADDS/SUBS pseudo opcodes after adding tablegen
3487 // support for an optional CPSR definition that corresponds to the DAG
3488 // node's second value. We can then eliminate the implicit def of CPSR.
3489 defm ADDS : AsI1_bin_s_irs<IIC_iALUi, IIC_iALUr, IIC_iALUsr, ARMaddc, 1>;
3490 defm SUBS : AsI1_bin_s_irs<IIC_iALUi, IIC_iALUr, IIC_iALUsr, ARMsubc>;
3492 defm ADC : AI1_adde_sube_irs<0b0101, "adc", ARMadde, 1>;
3493 defm SBC : AI1_adde_sube_irs<0b0110, "sbc", ARMsube>;
3495 defm RSB : AsI1_rbin_irs<0b0011, "rsb",
3496 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3499 // FIXME: Eliminate them if we can write def : Pat patterns which defines
3500 // CPSR and the implicit def of CPSR is not needed.
3501 defm RSBS : AsI1_rbin_s_is<IIC_iALUi, IIC_iALUr, IIC_iALUsr, ARMsubc>;
3503 defm RSC : AI1_rsc_irs<0b0111, "rsc", ARMsube>;
3505 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
3506 // The assume-no-carry-in form uses the negation of the input since add/sub
3507 // assume opposite meanings of the carry flag (i.e., carry == !borrow).
3508 // See the definition of AddWithCarry() in the ARM ARM A2.2.1 for the gory
3510 def : ARMPat<(add GPR:$src, mod_imm_neg:$imm),
3511 (SUBri GPR:$src, mod_imm_neg:$imm)>;
3512 def : ARMPat<(ARMaddc GPR:$src, mod_imm_neg:$imm),
3513 (SUBSri GPR:$src, mod_imm_neg:$imm)>;
3515 def : ARMPat<(add GPR:$src, imm0_65535_neg:$imm),
3516 (SUBrr GPR:$src, (MOVi16 (imm_neg_XFORM imm:$imm)))>,
3517 Requires<[IsARM, HasV6T2]>;
3518 def : ARMPat<(ARMaddc GPR:$src, imm0_65535_neg:$imm),
3519 (SUBSrr GPR:$src, (MOVi16 (imm_neg_XFORM imm:$imm)))>,
3520 Requires<[IsARM, HasV6T2]>;
3522 // The with-carry-in form matches bitwise not instead of the negation.
3523 // Effectively, the inverse interpretation of the carry flag already accounts
3524 // for part of the negation.
3525 def : ARMPat<(ARMadde GPR:$src, mod_imm_not:$imm, CPSR),
3526 (SBCri GPR:$src, mod_imm_not:$imm)>;
3527 def : ARMPat<(ARMadde GPR:$src, imm0_65535_neg:$imm, CPSR),
3528 (SBCrr GPR:$src, (MOVi16 (imm_not_XFORM imm:$imm)))>,
3529 Requires<[IsARM, HasV6T2]>;
3531 // Note: These are implemented in C++ code, because they have to generate
3532 // ADD/SUBrs instructions, which use a complex pattern that a xform function
3534 // (mul X, 2^n+1) -> (add (X << n), X)
3535 // (mul X, 2^n-1) -> (rsb X, (X << n))
3537 // ARM Arithmetic Instruction
3538 // GPR:$dst = GPR:$a op GPR:$b
3539 class AAI<bits<8> op27_20, bits<8> op11_4, string opc,
3540 list<dag> pattern = [],
3541 dag iops = (ins GPRnopc:$Rn, GPRnopc:$Rm),
3542 string asm = "\t$Rd, $Rn, $Rm">
3543 : AI<(outs GPRnopc:$Rd), iops, DPFrm, IIC_iALUr, opc, asm, pattern>,
3544 Sched<[WriteALU, ReadALU, ReadALU]> {
3548 let Inst{27-20} = op27_20;
3549 let Inst{11-4} = op11_4;
3550 let Inst{19-16} = Rn;
3551 let Inst{15-12} = Rd;
3554 let Unpredictable{11-8} = 0b1111;
3557 // Saturating add/subtract
3559 let DecoderMethod = "DecodeQADDInstruction" in
3560 def QADD : AAI<0b00010000, 0b00000101, "qadd",
3561 [(set GPRnopc:$Rd, (int_arm_qadd GPRnopc:$Rm, GPRnopc:$Rn))],
3562 (ins GPRnopc:$Rm, GPRnopc:$Rn), "\t$Rd, $Rm, $Rn">;
3564 def QSUB : AAI<0b00010010, 0b00000101, "qsub",
3565 [(set GPRnopc:$Rd, (int_arm_qsub GPRnopc:$Rm, GPRnopc:$Rn))],
3566 (ins GPRnopc:$Rm, GPRnopc:$Rn), "\t$Rd, $Rm, $Rn">;
3567 def QDADD : AAI<0b00010100, 0b00000101, "qdadd", [],
3568 (ins GPRnopc:$Rm, GPRnopc:$Rn),
3570 def QDSUB : AAI<0b00010110, 0b00000101, "qdsub", [],
3571 (ins GPRnopc:$Rm, GPRnopc:$Rn),
3574 def QADD16 : AAI<0b01100010, 0b11110001, "qadd16">;
3575 def QADD8 : AAI<0b01100010, 0b11111001, "qadd8">;
3576 def QASX : AAI<0b01100010, 0b11110011, "qasx">;
3577 def QSAX : AAI<0b01100010, 0b11110101, "qsax">;
3578 def QSUB16 : AAI<0b01100010, 0b11110111, "qsub16">;
3579 def QSUB8 : AAI<0b01100010, 0b11111111, "qsub8">;
3580 def UQADD16 : AAI<0b01100110, 0b11110001, "uqadd16">;
3581 def UQADD8 : AAI<0b01100110, 0b11111001, "uqadd8">;
3582 def UQASX : AAI<0b01100110, 0b11110011, "uqasx">;
3583 def UQSAX : AAI<0b01100110, 0b11110101, "uqsax">;
3584 def UQSUB16 : AAI<0b01100110, 0b11110111, "uqsub16">;
3585 def UQSUB8 : AAI<0b01100110, 0b11111111, "uqsub8">;
3587 // Signed/Unsigned add/subtract
3589 def SASX : AAI<0b01100001, 0b11110011, "sasx">;
3590 def SADD16 : AAI<0b01100001, 0b11110001, "sadd16">;
3591 def SADD8 : AAI<0b01100001, 0b11111001, "sadd8">;
3592 def SSAX : AAI<0b01100001, 0b11110101, "ssax">;
3593 def SSUB16 : AAI<0b01100001, 0b11110111, "ssub16">;
3594 def SSUB8 : AAI<0b01100001, 0b11111111, "ssub8">;
3595 def UASX : AAI<0b01100101, 0b11110011, "uasx">;
3596 def UADD16 : AAI<0b01100101, 0b11110001, "uadd16">;
3597 def UADD8 : AAI<0b01100101, 0b11111001, "uadd8">;
3598 def USAX : AAI<0b01100101, 0b11110101, "usax">;
3599 def USUB16 : AAI<0b01100101, 0b11110111, "usub16">;
3600 def USUB8 : AAI<0b01100101, 0b11111111, "usub8">;
3602 // Signed/Unsigned halving add/subtract
3604 def SHASX : AAI<0b01100011, 0b11110011, "shasx">;
3605 def SHADD16 : AAI<0b01100011, 0b11110001, "shadd16">;
3606 def SHADD8 : AAI<0b01100011, 0b11111001, "shadd8">;
3607 def SHSAX : AAI<0b01100011, 0b11110101, "shsax">;
3608 def SHSUB16 : AAI<0b01100011, 0b11110111, "shsub16">;
3609 def SHSUB8 : AAI<0b01100011, 0b11111111, "shsub8">;
3610 def UHASX : AAI<0b01100111, 0b11110011, "uhasx">;
3611 def UHADD16 : AAI<0b01100111, 0b11110001, "uhadd16">;
3612 def UHADD8 : AAI<0b01100111, 0b11111001, "uhadd8">;
3613 def UHSAX : AAI<0b01100111, 0b11110101, "uhsax">;
3614 def UHSUB16 : AAI<0b01100111, 0b11110111, "uhsub16">;
3615 def UHSUB8 : AAI<0b01100111, 0b11111111, "uhsub8">;
3617 // Unsigned Sum of Absolute Differences [and Accumulate].
3619 def USAD8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3620 MulFrm /* for convenience */, NoItinerary, "usad8",
3621 "\t$Rd, $Rn, $Rm", []>,
3622 Requires<[IsARM, HasV6]>, Sched<[WriteALU, ReadALU, ReadALU]> {
3626 let Inst{27-20} = 0b01111000;
3627 let Inst{15-12} = 0b1111;
3628 let Inst{7-4} = 0b0001;
3629 let Inst{19-16} = Rd;
3630 let Inst{11-8} = Rm;
3633 def USADA8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3634 MulFrm /* for convenience */, NoItinerary, "usada8",
3635 "\t$Rd, $Rn, $Rm, $Ra", []>,
3636 Requires<[IsARM, HasV6]>, Sched<[WriteALU, ReadALU, ReadALU]>{
3641 let Inst{27-20} = 0b01111000;
3642 let Inst{7-4} = 0b0001;
3643 let Inst{19-16} = Rd;
3644 let Inst{15-12} = Ra;
3645 let Inst{11-8} = Rm;
3649 // Signed/Unsigned saturate
3651 def SSAT : AI<(outs GPRnopc:$Rd),
3652 (ins imm1_32:$sat_imm, GPRnopc:$Rn, shift_imm:$sh),
3653 SatFrm, NoItinerary, "ssat", "\t$Rd, $sat_imm, $Rn$sh", []>,
3654 Requires<[IsARM,HasV6]>{
3659 let Inst{27-21} = 0b0110101;
3660 let Inst{5-4} = 0b01;
3661 let Inst{20-16} = sat_imm;
3662 let Inst{15-12} = Rd;
3663 let Inst{11-7} = sh{4-0};
3664 let Inst{6} = sh{5};
3668 def SSAT16 : AI<(outs GPRnopc:$Rd),
3669 (ins imm1_16:$sat_imm, GPRnopc:$Rn), SatFrm,
3670 NoItinerary, "ssat16", "\t$Rd, $sat_imm, $Rn", []>,
3671 Requires<[IsARM,HasV6]>{
3675 let Inst{27-20} = 0b01101010;
3676 let Inst{11-4} = 0b11110011;
3677 let Inst{15-12} = Rd;
3678 let Inst{19-16} = sat_imm;
3682 def USAT : AI<(outs GPRnopc:$Rd),
3683 (ins imm0_31:$sat_imm, GPRnopc:$Rn, shift_imm:$sh),
3684 SatFrm, NoItinerary, "usat", "\t$Rd, $sat_imm, $Rn$sh", []>,
3685 Requires<[IsARM,HasV6]> {
3690 let Inst{27-21} = 0b0110111;
3691 let Inst{5-4} = 0b01;
3692 let Inst{15-12} = Rd;
3693 let Inst{11-7} = sh{4-0};
3694 let Inst{6} = sh{5};
3695 let Inst{20-16} = sat_imm;
3699 def USAT16 : AI<(outs GPRnopc:$Rd),
3700 (ins imm0_15:$sat_imm, GPRnopc:$Rn), SatFrm,
3701 NoItinerary, "usat16", "\t$Rd, $sat_imm, $Rn", []>,
3702 Requires<[IsARM,HasV6]>{
3706 let Inst{27-20} = 0b01101110;
3707 let Inst{11-4} = 0b11110011;
3708 let Inst{15-12} = Rd;
3709 let Inst{19-16} = sat_imm;
3713 def : ARMV6Pat<(int_arm_ssat GPRnopc:$a, imm1_32:$pos),
3714 (SSAT imm1_32:$pos, GPRnopc:$a, 0)>;
3715 def : ARMV6Pat<(int_arm_usat GPRnopc:$a, imm0_31:$pos),
3716 (USAT imm0_31:$pos, GPRnopc:$a, 0)>;
3717 def : ARMPat<(ARMssatnoshift GPRnopc:$Rn, imm0_31:$imm),
3718 (SSAT imm0_31:$imm, GPRnopc:$Rn, 0)>;
3720 //===----------------------------------------------------------------------===//
3721 // Bitwise Instructions.
3724 defm AND : AsI1_bin_irs<0b0000, "and",
3725 IIC_iBITi, IIC_iBITr, IIC_iBITsr, and, 1>;
3726 defm ORR : AsI1_bin_irs<0b1100, "orr",
3727 IIC_iBITi, IIC_iBITr, IIC_iBITsr, or, 1>;
3728 defm EOR : AsI1_bin_irs<0b0001, "eor",
3729 IIC_iBITi, IIC_iBITr, IIC_iBITsr, xor, 1>;
3730 defm BIC : AsI1_bin_irs<0b1110, "bic",
3731 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3732 BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
3734 // FIXME: bf_inv_mask_imm should be two operands, the lsb and the msb, just
3735 // like in the actual instruction encoding. The complexity of mapping the mask
3736 // to the lsb/msb pair should be handled by ISel, not encapsulated in the
3737 // instruction description.
3738 def BFC : I<(outs GPR:$Rd), (ins GPR:$src, bf_inv_mask_imm:$imm),
3739 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3740 "bfc", "\t$Rd, $imm", "$src = $Rd",
3741 [(set GPR:$Rd, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
3742 Requires<[IsARM, HasV6T2]> {
3745 let Inst{27-21} = 0b0111110;
3746 let Inst{6-0} = 0b0011111;
3747 let Inst{15-12} = Rd;
3748 let Inst{11-7} = imm{4-0}; // lsb
3749 let Inst{20-16} = imm{9-5}; // msb
3752 // A8.6.18 BFI - Bitfield insert (Encoding A1)
3753 def BFI:I<(outs GPRnopc:$Rd), (ins GPRnopc:$src, GPR:$Rn, bf_inv_mask_imm:$imm),
3754 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3755 "bfi", "\t$Rd, $Rn, $imm", "$src = $Rd",
3756 [(set GPRnopc:$Rd, (ARMbfi GPRnopc:$src, GPR:$Rn,
3757 bf_inv_mask_imm:$imm))]>,
3758 Requires<[IsARM, HasV6T2]> {
3762 let Inst{27-21} = 0b0111110;
3763 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
3764 let Inst{15-12} = Rd;
3765 let Inst{11-7} = imm{4-0}; // lsb
3766 let Inst{20-16} = imm{9-5}; // width
3770 def MVNr : AsI1<0b1111, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMVNr,
3771 "mvn", "\t$Rd, $Rm",
3772 [(set GPR:$Rd, (not GPR:$Rm))]>, UnaryDP, Sched<[WriteALU]> {
3776 let Inst{19-16} = 0b0000;
3777 let Inst{11-4} = 0b00000000;
3778 let Inst{15-12} = Rd;
3781 def MVNsi : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg_imm:$shift),
3782 DPSoRegImmFrm, IIC_iMVNsr, "mvn", "\t$Rd, $shift",
3783 [(set GPR:$Rd, (not so_reg_imm:$shift))]>, UnaryDP,
3788 let Inst{19-16} = 0b0000;
3789 let Inst{15-12} = Rd;
3790 let Inst{11-5} = shift{11-5};
3792 let Inst{3-0} = shift{3-0};
3794 def MVNsr : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg_reg:$shift),
3795 DPSoRegRegFrm, IIC_iMVNsr, "mvn", "\t$Rd, $shift",
3796 [(set GPR:$Rd, (not so_reg_reg:$shift))]>, UnaryDP,
3801 let Inst{19-16} = 0b0000;
3802 let Inst{15-12} = Rd;
3803 let Inst{11-8} = shift{11-8};
3805 let Inst{6-5} = shift{6-5};
3807 let Inst{3-0} = shift{3-0};
3809 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
3810 def MVNi : AsI1<0b1111, (outs GPR:$Rd), (ins mod_imm:$imm), DPFrm,
3811 IIC_iMVNi, "mvn", "\t$Rd, $imm",
3812 [(set GPR:$Rd, mod_imm_not:$imm)]>,UnaryDP, Sched<[WriteALU]> {
3816 let Inst{19-16} = 0b0000;
3817 let Inst{15-12} = Rd;
3818 let Inst{11-0} = imm;
3821 def : ARMPat<(and GPR:$src, mod_imm_not:$imm),
3822 (BICri GPR:$src, mod_imm_not:$imm)>;
3824 //===----------------------------------------------------------------------===//
3825 // Multiply Instructions.
3827 class AsMul1I32<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
3828 string opc, string asm, list<dag> pattern>
3829 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
3833 let Inst{19-16} = Rd;
3834 let Inst{11-8} = Rm;
3837 class AsMul1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
3838 string opc, string asm, list<dag> pattern>
3839 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
3844 let Inst{19-16} = RdHi;
3845 let Inst{15-12} = RdLo;
3846 let Inst{11-8} = Rm;
3849 class AsMla1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
3850 string opc, string asm, list<dag> pattern>
3851 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
3856 let Inst{19-16} = RdHi;
3857 let Inst{15-12} = RdLo;
3858 let Inst{11-8} = Rm;
3862 // FIXME: The v5 pseudos are only necessary for the additional Constraint
3863 // property. Remove them when it's possible to add those properties
3864 // on an individual MachineInstr, not just an instruction description.
3865 let isCommutable = 1, TwoOperandAliasConstraint = "$Rn = $Rd" in {
3866 def MUL : AsMul1I32<0b0000000, (outs GPRnopc:$Rd),
3867 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3868 IIC_iMUL32, "mul", "\t$Rd, $Rn, $Rm",
3869 [(set GPRnopc:$Rd, (mul GPRnopc:$Rn, GPRnopc:$Rm))]>,
3870 Requires<[IsARM, HasV6]> {
3871 let Inst{15-12} = 0b0000;
3872 let Unpredictable{15-12} = 0b1111;
3875 let Constraints = "@earlyclobber $Rd" in
3876 def MULv5: ARMPseudoExpand<(outs GPRnopc:$Rd), (ins GPRnopc:$Rn, GPRnopc:$Rm,
3877 pred:$p, cc_out:$s),
3879 [(set GPRnopc:$Rd, (mul GPRnopc:$Rn, GPRnopc:$Rm))],
3880 (MUL GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p, cc_out:$s)>,
3881 Requires<[IsARM, NoV6, UseMulOps]>;
3884 def MLA : AsMul1I32<0b0000001, (outs GPRnopc:$Rd),
3885 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$Ra),
3886 IIC_iMAC32, "mla", "\t$Rd, $Rn, $Rm, $Ra",
3887 [(set GPRnopc:$Rd, (add (mul GPRnopc:$Rn, GPRnopc:$Rm), GPRnopc:$Ra))]>,
3888 Requires<[IsARM, HasV6, UseMulOps]> {
3890 let Inst{15-12} = Ra;
3893 let Constraints = "@earlyclobber $Rd" in
3894 def MLAv5: ARMPseudoExpand<(outs GPRnopc:$Rd),
3895 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$Ra,
3896 pred:$p, cc_out:$s), 4, IIC_iMAC32,
3897 [(set GPRnopc:$Rd, (add (mul GPRnopc:$Rn, GPRnopc:$Rm), GPRnopc:$Ra))],
3898 (MLA GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$Ra, pred:$p, cc_out:$s)>,
3899 Requires<[IsARM, NoV6]>;
3901 def MLS : AMul1I<0b0000011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3902 IIC_iMAC32, "mls", "\t$Rd, $Rn, $Rm, $Ra",
3903 [(set GPR:$Rd, (sub GPR:$Ra, (mul GPR:$Rn, GPR:$Rm)))]>,
3904 Requires<[IsARM, HasV6T2, UseMulOps]> {
3909 let Inst{19-16} = Rd;
3910 let Inst{15-12} = Ra;
3911 let Inst{11-8} = Rm;
3915 // Extra precision multiplies with low / high results
3916 let hasSideEffects = 0 in {
3917 let isCommutable = 1 in {
3918 def SMULL : AsMul1I64<0b0000110, (outs GPR:$RdLo, GPR:$RdHi),
3919 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
3920 "smull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3921 Requires<[IsARM, HasV6]>;
3923 def UMULL : AsMul1I64<0b0000100, (outs GPR:$RdLo, GPR:$RdHi),
3924 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
3925 "umull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3926 Requires<[IsARM, HasV6]>;
3928 let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
3929 def SMULLv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3930 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
3932 (SMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3933 Requires<[IsARM, NoV6]>;
3935 def UMULLv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3936 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
3938 (UMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3939 Requires<[IsARM, NoV6]>;
3943 // Multiply + accumulate
3944 def SMLAL : AsMla1I64<0b0000111, (outs GPR:$RdLo, GPR:$RdHi),
3945 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi), IIC_iMAC64,
3946 "smlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3947 RegConstraint<"$RLo = $RdLo, $RHi = $RdHi">, Requires<[IsARM, HasV6]>;
3948 def UMLAL : AsMla1I64<0b0000101, (outs GPR:$RdLo, GPR:$RdHi),
3949 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi), IIC_iMAC64,
3950 "umlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3951 RegConstraint<"$RLo = $RdLo, $RHi = $RdHi">, Requires<[IsARM, HasV6]>;
3953 def UMAAL : AMul1I <0b0000010, (outs GPR:$RdLo, GPR:$RdHi),
3954 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi),
3956 "umaal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3957 RegConstraint<"$RLo = $RdLo, $RHi = $RdHi">, Requires<[IsARM, HasV6]> {
3962 let Inst{19-16} = RdHi;
3963 let Inst{15-12} = RdLo;
3964 let Inst{11-8} = Rm;
3969 "@earlyclobber $RdLo,@earlyclobber $RdHi,$RLo = $RdLo,$RHi = $RdHi" in {
3970 def SMLALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3971 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi, pred:$p, cc_out:$s),
3973 (SMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi,
3974 pred:$p, cc_out:$s)>,
3975 Requires<[IsARM, NoV6]>;
3976 def UMLALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3977 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi, pred:$p, cc_out:$s),
3979 (UMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi,
3980 pred:$p, cc_out:$s)>,
3981 Requires<[IsARM, NoV6]>;
3986 // Most significant word multiply
3987 def SMMUL : AMul2I <0b0111010, 0b0001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3988 IIC_iMUL32, "smmul", "\t$Rd, $Rn, $Rm",
3989 [(set GPR:$Rd, (mulhs GPR:$Rn, GPR:$Rm))]>,
3990 Requires<[IsARM, HasV6]> {
3991 let Inst{15-12} = 0b1111;
3994 def SMMULR : AMul2I <0b0111010, 0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3995 IIC_iMUL32, "smmulr", "\t$Rd, $Rn, $Rm", []>,
3996 Requires<[IsARM, HasV6]> {
3997 let Inst{15-12} = 0b1111;
4000 def SMMLA : AMul2Ia <0b0111010, 0b0001, (outs GPR:$Rd),
4001 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
4002 IIC_iMAC32, "smmla", "\t$Rd, $Rn, $Rm, $Ra",
4003 [(set GPR:$Rd, (add (mulhs GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
4004 Requires<[IsARM, HasV6, UseMulOps]>;
4006 def SMMLAR : AMul2Ia <0b0111010, 0b0011, (outs GPR:$Rd),
4007 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
4008 IIC_iMAC32, "smmlar", "\t$Rd, $Rn, $Rm, $Ra", []>,
4009 Requires<[IsARM, HasV6]>;
4011 def SMMLS : AMul2Ia <0b0111010, 0b1101, (outs GPR:$Rd),
4012 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
4013 IIC_iMAC32, "smmls", "\t$Rd, $Rn, $Rm, $Ra", []>,
4014 Requires<[IsARM, HasV6, UseMulOps]>;
4016 def SMMLSR : AMul2Ia <0b0111010, 0b1111, (outs GPR:$Rd),
4017 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
4018 IIC_iMAC32, "smmlsr", "\t$Rd, $Rn, $Rm, $Ra", []>,
4019 Requires<[IsARM, HasV6]>;
4021 multiclass AI_smul<string opc> {
4022 def BB : AMulxyI<0b0001011, 0b00, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
4023 IIC_iMUL16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm",
4024 [(set GPR:$Rd, (mul (sext_inreg GPR:$Rn, i16),
4025 (sext_inreg GPR:$Rm, i16)))]>,
4026 Requires<[IsARM, HasV5TE]>;
4028 def BT : AMulxyI<0b0001011, 0b10, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
4029 IIC_iMUL16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm",
4030 [(set GPR:$Rd, (mul (sext_inreg GPR:$Rn, i16),
4031 (sra GPR:$Rm, (i32 16))))]>,
4032 Requires<[IsARM, HasV5TE]>;
4034 def TB : AMulxyI<0b0001011, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
4035 IIC_iMUL16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm",
4036 [(set GPR:$Rd, (mul (sra GPR:$Rn, (i32 16)),
4037 (sext_inreg GPR:$Rm, i16)))]>,
4038 Requires<[IsARM, HasV5TE]>;
4040 def TT : AMulxyI<0b0001011, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
4041 IIC_iMUL16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm",
4042 [(set GPR:$Rd, (mul (sra GPR:$Rn, (i32 16)),
4043 (sra GPR:$Rm, (i32 16))))]>,
4044 Requires<[IsARM, HasV5TE]>;
4046 def WB : AMulxyI<0b0001001, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
4047 IIC_iMUL16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm",
4049 Requires<[IsARM, HasV5TE]>;
4051 def WT : AMulxyI<0b0001001, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
4052 IIC_iMUL16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm",
4054 Requires<[IsARM, HasV5TE]>;
4058 multiclass AI_smla<string opc> {
4059 let DecoderMethod = "DecodeSMLAInstruction" in {
4060 def BB : AMulxyIa<0b0001000, 0b00, (outs GPRnopc:$Rd),
4061 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4062 IIC_iMAC16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm, $Ra",
4063 [(set GPRnopc:$Rd, (add GPR:$Ra,
4064 (mul (sext_inreg GPRnopc:$Rn, i16),
4065 (sext_inreg GPRnopc:$Rm, i16))))]>,
4066 Requires<[IsARM, HasV5TE, UseMulOps]>;
4068 def BT : AMulxyIa<0b0001000, 0b10, (outs GPRnopc:$Rd),
4069 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4070 IIC_iMAC16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm, $Ra",
4072 (add GPR:$Ra, (mul (sext_inreg GPRnopc:$Rn, i16),
4073 (sra GPRnopc:$Rm, (i32 16)))))]>,
4074 Requires<[IsARM, HasV5TE, UseMulOps]>;
4076 def TB : AMulxyIa<0b0001000, 0b01, (outs GPRnopc:$Rd),
4077 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4078 IIC_iMAC16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm, $Ra",
4080 (add GPR:$Ra, (mul (sra GPRnopc:$Rn, (i32 16)),
4081 (sext_inreg GPRnopc:$Rm, i16))))]>,
4082 Requires<[IsARM, HasV5TE, UseMulOps]>;
4084 def TT : AMulxyIa<0b0001000, 0b11, (outs GPRnopc:$Rd),
4085 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4086 IIC_iMAC16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm, $Ra",
4088 (add GPR:$Ra, (mul (sra GPRnopc:$Rn, (i32 16)),
4089 (sra GPRnopc:$Rm, (i32 16)))))]>,
4090 Requires<[IsARM, HasV5TE, UseMulOps]>;
4092 def WB : AMulxyIa<0b0001001, 0b00, (outs GPRnopc:$Rd),
4093 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4094 IIC_iMAC16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm, $Ra",
4096 Requires<[IsARM, HasV5TE, UseMulOps]>;
4098 def WT : AMulxyIa<0b0001001, 0b10, (outs GPRnopc:$Rd),
4099 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4100 IIC_iMAC16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm, $Ra",
4102 Requires<[IsARM, HasV5TE, UseMulOps]>;
4106 defm SMUL : AI_smul<"smul">;
4107 defm SMLA : AI_smla<"smla">;
4109 // Halfword multiply accumulate long: SMLAL<x><y>.
4110 def SMLALBB : AMulxyI64<0b0001010, 0b00, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
4111 (ins GPRnopc:$Rn, GPRnopc:$Rm),
4112 IIC_iMAC64, "smlalbb", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
4113 Requires<[IsARM, HasV5TE]>;
4115 def SMLALBT : AMulxyI64<0b0001010, 0b10, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
4116 (ins GPRnopc:$Rn, GPRnopc:$Rm),
4117 IIC_iMAC64, "smlalbt", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
4118 Requires<[IsARM, HasV5TE]>;
4120 def SMLALTB : AMulxyI64<0b0001010, 0b01, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
4121 (ins GPRnopc:$Rn, GPRnopc:$Rm),
4122 IIC_iMAC64, "smlaltb", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
4123 Requires<[IsARM, HasV5TE]>;
4125 def SMLALTT : AMulxyI64<0b0001010, 0b11, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
4126 (ins GPRnopc:$Rn, GPRnopc:$Rm),
4127 IIC_iMAC64, "smlaltt", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
4128 Requires<[IsARM, HasV5TE]>;
4130 // Helper class for AI_smld.
4131 class AMulDualIbase<bit long, bit sub, bit swap, dag oops, dag iops,
4132 InstrItinClass itin, string opc, string asm>
4133 : AI<oops, iops, MulFrm, itin, opc, asm, []>, Requires<[IsARM, HasV6]> {
4136 let Inst{27-23} = 0b01110;
4137 let Inst{22} = long;
4138 let Inst{21-20} = 0b00;
4139 let Inst{11-8} = Rm;
4146 class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
4147 InstrItinClass itin, string opc, string asm>
4148 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
4150 let Inst{15-12} = 0b1111;
4151 let Inst{19-16} = Rd;
4153 class AMulDualIa<bit long, bit sub, bit swap, dag oops, dag iops,
4154 InstrItinClass itin, string opc, string asm>
4155 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
4158 let Inst{19-16} = Rd;
4159 let Inst{15-12} = Ra;
4161 class AMulDualI64<bit long, bit sub, bit swap, dag oops, dag iops,
4162 InstrItinClass itin, string opc, string asm>
4163 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
4166 let Inst{19-16} = RdHi;
4167 let Inst{15-12} = RdLo;
4170 multiclass AI_smld<bit sub, string opc> {
4172 def D : AMulDualIa<0, sub, 0, (outs GPRnopc:$Rd),
4173 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4174 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm, $Ra">;
4176 def DX: AMulDualIa<0, sub, 1, (outs GPRnopc:$Rd),
4177 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4178 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm, $Ra">;
4180 def LD: AMulDualI64<1, sub, 0, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
4181 (ins GPRnopc:$Rn, GPRnopc:$Rm), NoItinerary,
4182 !strconcat(opc, "ld"), "\t$RdLo, $RdHi, $Rn, $Rm">;
4184 def LDX : AMulDualI64<1, sub, 1, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
4185 (ins GPRnopc:$Rn, GPRnopc:$Rm), NoItinerary,
4186 !strconcat(opc, "ldx"),"\t$RdLo, $RdHi, $Rn, $Rm">;
4190 defm SMLA : AI_smld<0, "smla">;
4191 defm SMLS : AI_smld<1, "smls">;
4193 multiclass AI_sdml<bit sub, string opc> {
4195 def D:AMulDualI<0, sub, 0, (outs GPRnopc:$Rd), (ins GPRnopc:$Rn, GPRnopc:$Rm),
4196 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm">;
4197 def DX:AMulDualI<0, sub, 1, (outs GPRnopc:$Rd),(ins GPRnopc:$Rn, GPRnopc:$Rm),
4198 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm">;
4201 defm SMUA : AI_sdml<0, "smua">;
4202 defm SMUS : AI_sdml<1, "smus">;
4204 //===----------------------------------------------------------------------===//
4205 // Division Instructions (ARMv7-A with virtualization extension)
4207 def SDIV : ADivA1I<0b001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), IIC_iDIV,
4208 "sdiv", "\t$Rd, $Rn, $Rm",
4209 [(set GPR:$Rd, (sdiv GPR:$Rn, GPR:$Rm))]>,
4210 Requires<[IsARM, HasDivideInARM]>;
4212 def UDIV : ADivA1I<0b011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), IIC_iDIV,
4213 "udiv", "\t$Rd, $Rn, $Rm",
4214 [(set GPR:$Rd, (udiv GPR:$Rn, GPR:$Rm))]>,
4215 Requires<[IsARM, HasDivideInARM]>;
4217 //===----------------------------------------------------------------------===//
4218 // Misc. Arithmetic Instructions.
4221 def CLZ : AMiscA1I<0b00010110, 0b0001, (outs GPR:$Rd), (ins GPR:$Rm),
4222 IIC_iUNAr, "clz", "\t$Rd, $Rm",
4223 [(set GPR:$Rd, (ctlz GPR:$Rm))]>, Requires<[IsARM, HasV5T]>,
4226 def RBIT : AMiscA1I<0b01101111, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
4227 IIC_iUNAr, "rbit", "\t$Rd, $Rm",
4228 [(set GPR:$Rd, (bitreverse GPR:$Rm))]>,
4229 Requires<[IsARM, HasV6T2]>,
4232 def REV : AMiscA1I<0b01101011, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
4233 IIC_iUNAr, "rev", "\t$Rd, $Rm",
4234 [(set GPR:$Rd, (bswap GPR:$Rm))]>, Requires<[IsARM, HasV6]>,
4237 let AddedComplexity = 5 in
4238 def REV16 : AMiscA1I<0b01101011, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
4239 IIC_iUNAr, "rev16", "\t$Rd, $Rm",
4240 [(set GPR:$Rd, (rotr (bswap GPR:$Rm), (i32 16)))]>,
4241 Requires<[IsARM, HasV6]>,
4244 def : ARMV6Pat<(srl (bswap (extloadi16 addrmode3:$addr)), (i32 16)),
4245 (REV16 (LDRH addrmode3:$addr))>;
4246 def : ARMV6Pat<(truncstorei16 (srl (bswap GPR:$Rn), (i32 16)), addrmode3:$addr),
4247 (STRH (REV16 GPR:$Rn), addrmode3:$addr)>;
4249 let AddedComplexity = 5 in
4250 def REVSH : AMiscA1I<0b01101111, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
4251 IIC_iUNAr, "revsh", "\t$Rd, $Rm",
4252 [(set GPR:$Rd, (sra (bswap GPR:$Rm), (i32 16)))]>,
4253 Requires<[IsARM, HasV6]>,
4256 def : ARMV6Pat<(or (sra (shl GPR:$Rm, (i32 24)), (i32 16)),
4257 (and (srl GPR:$Rm, (i32 8)), 0xFF)),
4260 def PKHBT : APKHI<0b01101000, 0, (outs GPRnopc:$Rd),
4261 (ins GPRnopc:$Rn, GPRnopc:$Rm, pkh_lsl_amt:$sh),
4262 IIC_iALUsi, "pkhbt", "\t$Rd, $Rn, $Rm$sh",
4263 [(set GPRnopc:$Rd, (or (and GPRnopc:$Rn, 0xFFFF),
4264 (and (shl GPRnopc:$Rm, pkh_lsl_amt:$sh),
4266 Requires<[IsARM, HasV6]>,
4267 Sched<[WriteALUsi, ReadALU]>;
4269 // Alternate cases for PKHBT where identities eliminate some nodes.
4270 def : ARMV6Pat<(or (and GPRnopc:$Rn, 0xFFFF), (and GPRnopc:$Rm, 0xFFFF0000)),
4271 (PKHBT GPRnopc:$Rn, GPRnopc:$Rm, 0)>;
4272 def : ARMV6Pat<(or (and GPRnopc:$Rn, 0xFFFF), (shl GPRnopc:$Rm, imm16_31:$sh)),
4273 (PKHBT GPRnopc:$Rn, GPRnopc:$Rm, imm16_31:$sh)>;
4275 // Note: Shifts of 1-15 bits will be transformed to srl instead of sra and
4276 // will match the pattern below.
4277 def PKHTB : APKHI<0b01101000, 1, (outs GPRnopc:$Rd),
4278 (ins GPRnopc:$Rn, GPRnopc:$Rm, pkh_asr_amt:$sh),
4279 IIC_iBITsi, "pkhtb", "\t$Rd, $Rn, $Rm$sh",
4280 [(set GPRnopc:$Rd, (or (and GPRnopc:$Rn, 0xFFFF0000),
4281 (and (sra GPRnopc:$Rm, pkh_asr_amt:$sh),
4283 Requires<[IsARM, HasV6]>,
4284 Sched<[WriteALUsi, ReadALU]>;
4286 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
4287 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
4288 // We also can not replace a srl (17..31) by an arithmetic shift we would use in
4289 // pkhtb src1, src2, asr (17..31).
4290 def : ARMV6Pat<(or (and GPRnopc:$src1, 0xFFFF0000),
4291 (srl GPRnopc:$src2, imm16:$sh)),
4292 (PKHTB GPRnopc:$src1, GPRnopc:$src2, imm16:$sh)>;
4293 def : ARMV6Pat<(or (and GPRnopc:$src1, 0xFFFF0000),
4294 (sra GPRnopc:$src2, imm16_31:$sh)),
4295 (PKHTB GPRnopc:$src1, GPRnopc:$src2, imm16_31:$sh)>;
4296 def : ARMV6Pat<(or (and GPRnopc:$src1, 0xFFFF0000),
4297 (and (srl GPRnopc:$src2, imm1_15:$sh), 0xFFFF)),
4298 (PKHTB GPRnopc:$src1, GPRnopc:$src2, imm1_15:$sh)>;
4300 //===----------------------------------------------------------------------===//
4304 // + CRC32{B,H,W} 0x04C11DB7
4305 // + CRC32C{B,H,W} 0x1EDC6F41
4308 class AI_crc32<bit C, bits<2> sz, string suffix, SDPatternOperator builtin>
4309 : AInoP<(outs GPRnopc:$Rd), (ins GPRnopc:$Rn, GPRnopc:$Rm), MiscFrm, NoItinerary,
4310 !strconcat("crc32", suffix), "\t$Rd, $Rn, $Rm",
4311 [(set GPRnopc:$Rd, (builtin GPRnopc:$Rn, GPRnopc:$Rm))]>,
4312 Requires<[IsARM, HasV8, HasCRC]> {
4317 let Inst{31-28} = 0b1110;
4318 let Inst{27-23} = 0b00010;
4319 let Inst{22-21} = sz;
4321 let Inst{19-16} = Rn;
4322 let Inst{15-12} = Rd;
4323 let Inst{11-10} = 0b00;
4326 let Inst{7-4} = 0b0100;
4329 let Unpredictable{11-8} = 0b1101;
4332 def CRC32B : AI_crc32<0, 0b00, "b", int_arm_crc32b>;
4333 def CRC32CB : AI_crc32<1, 0b00, "cb", int_arm_crc32cb>;
4334 def CRC32H : AI_crc32<0, 0b01, "h", int_arm_crc32h>;
4335 def CRC32CH : AI_crc32<1, 0b01, "ch", int_arm_crc32ch>;
4336 def CRC32W : AI_crc32<0, 0b10, "w", int_arm_crc32w>;
4337 def CRC32CW : AI_crc32<1, 0b10, "cw", int_arm_crc32cw>;
4339 //===----------------------------------------------------------------------===//
4340 // ARMv8.1a Privilege Access Never extension
4344 def SETPAN : AInoP<(outs), (ins imm0_1:$imm), MiscFrm, NoItinerary, "setpan",
4345 "\t$imm", []>, Requires<[IsARM, HasV8, HasV8_1a]> {
4348 let Inst{31-28} = 0b1111;
4349 let Inst{27-20} = 0b00010001;
4350 let Inst{19-16} = 0b0000;
4351 let Inst{15-10} = 0b000000;
4354 let Inst{7-4} = 0b0000;
4355 let Inst{3-0} = 0b0000;
4357 let Unpredictable{19-16} = 0b1111;
4358 let Unpredictable{15-10} = 0b111111;
4359 let Unpredictable{8} = 0b1;
4360 let Unpredictable{3-0} = 0b1111;
4363 //===----------------------------------------------------------------------===//
4364 // Comparison Instructions...
4367 defm CMP : AI1_cmp_irs<0b1010, "cmp",
4368 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr, ARMcmp>;
4370 // ARMcmpZ can re-use the above instruction definitions.
4371 def : ARMPat<(ARMcmpZ GPR:$src, mod_imm:$imm),
4372 (CMPri GPR:$src, mod_imm:$imm)>;
4373 def : ARMPat<(ARMcmpZ GPR:$src, GPR:$rhs),
4374 (CMPrr GPR:$src, GPR:$rhs)>;
4375 def : ARMPat<(ARMcmpZ GPR:$src, so_reg_imm:$rhs),
4376 (CMPrsi GPR:$src, so_reg_imm:$rhs)>;
4377 def : ARMPat<(ARMcmpZ GPR:$src, so_reg_reg:$rhs),
4378 (CMPrsr GPR:$src, so_reg_reg:$rhs)>;
4380 // CMN register-integer
4381 let isCompare = 1, Defs = [CPSR] in {
4382 def CMNri : AI1<0b1011, (outs), (ins GPR:$Rn, mod_imm:$imm), DPFrm, IIC_iCMPi,
4383 "cmn", "\t$Rn, $imm",
4384 [(ARMcmn GPR:$Rn, mod_imm:$imm)]>,
4385 Sched<[WriteCMP, ReadALU]> {
4390 let Inst{19-16} = Rn;
4391 let Inst{15-12} = 0b0000;
4392 let Inst{11-0} = imm;
4394 let Unpredictable{15-12} = 0b1111;
4397 // CMN register-register/shift
4398 def CMNzrr : AI1<0b1011, (outs), (ins GPR:$Rn, GPR:$Rm), DPFrm, IIC_iCMPr,
4399 "cmn", "\t$Rn, $Rm",
4400 [(BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>
4401 GPR:$Rn, GPR:$Rm)]>, Sched<[WriteCMP, ReadALU, ReadALU]> {
4404 let isCommutable = 1;
4407 let Inst{19-16} = Rn;
4408 let Inst{15-12} = 0b0000;
4409 let Inst{11-4} = 0b00000000;
4412 let Unpredictable{15-12} = 0b1111;
4415 def CMNzrsi : AI1<0b1011, (outs),
4416 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm, IIC_iCMPsr,
4417 "cmn", "\t$Rn, $shift",
4418 [(BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>
4419 GPR:$Rn, so_reg_imm:$shift)]>,
4420 Sched<[WriteCMPsi, ReadALU]> {
4425 let Inst{19-16} = Rn;
4426 let Inst{15-12} = 0b0000;
4427 let Inst{11-5} = shift{11-5};
4429 let Inst{3-0} = shift{3-0};
4431 let Unpredictable{15-12} = 0b1111;
4434 def CMNzrsr : AI1<0b1011, (outs),
4435 (ins GPRnopc:$Rn, so_reg_reg:$shift), DPSoRegRegFrm, IIC_iCMPsr,
4436 "cmn", "\t$Rn, $shift",
4437 [(BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>
4438 GPRnopc:$Rn, so_reg_reg:$shift)]>,
4439 Sched<[WriteCMPsr, ReadALU]> {
4444 let Inst{19-16} = Rn;
4445 let Inst{15-12} = 0b0000;
4446 let Inst{11-8} = shift{11-8};
4448 let Inst{6-5} = shift{6-5};
4450 let Inst{3-0} = shift{3-0};
4452 let Unpredictable{15-12} = 0b1111;
4457 def : ARMPat<(ARMcmp GPR:$src, mod_imm_neg:$imm),
4458 (CMNri GPR:$src, mod_imm_neg:$imm)>;
4460 def : ARMPat<(ARMcmpZ GPR:$src, mod_imm_neg:$imm),
4461 (CMNri GPR:$src, mod_imm_neg:$imm)>;
4463 // Note that TST/TEQ don't set all the same flags that CMP does!
4464 defm TST : AI1_cmp_irs<0b1000, "tst",
4465 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
4466 BinOpFrag<(ARMcmpZ (and_su node:$LHS, node:$RHS), 0)>, 1,
4467 "DecodeTSTInstruction">;
4468 defm TEQ : AI1_cmp_irs<0b1001, "teq",
4469 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
4470 BinOpFrag<(ARMcmpZ (xor_su node:$LHS, node:$RHS), 0)>, 1>;
4472 // Pseudo i64 compares for some floating point compares.
4473 let usesCustomInserter = 1, isBranch = 1, isTerminator = 1,
4475 def BCCi64 : PseudoInst<(outs),
4476 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, brtarget:$dst),
4478 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, bb:$dst)]>,
4481 def BCCZi64 : PseudoInst<(outs),
4482 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, brtarget:$dst), IIC_Br,
4483 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, 0, 0, bb:$dst)]>,
4485 } // usesCustomInserter
4488 // Conditional moves
4489 let hasSideEffects = 0 in {
4491 let isCommutable = 1, isSelect = 1 in
4492 def MOVCCr : ARMPseudoInst<(outs GPR:$Rd),
4493 (ins GPR:$false, GPR:$Rm, cmovpred:$p),
4495 [(set GPR:$Rd, (ARMcmov GPR:$false, GPR:$Rm,
4497 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4499 def MOVCCsi : ARMPseudoInst<(outs GPR:$Rd),
4500 (ins GPR:$false, so_reg_imm:$shift, cmovpred:$p),
4503 (ARMcmov GPR:$false, so_reg_imm:$shift,
4505 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4506 def MOVCCsr : ARMPseudoInst<(outs GPR:$Rd),
4507 (ins GPR:$false, so_reg_reg:$shift, cmovpred:$p),
4509 [(set GPR:$Rd, (ARMcmov GPR:$false, so_reg_reg:$shift,
4511 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4514 let isMoveImm = 1 in
4516 : ARMPseudoInst<(outs GPR:$Rd),
4517 (ins GPR:$false, imm0_65535_expr:$imm, cmovpred:$p),
4519 [(set GPR:$Rd, (ARMcmov GPR:$false, imm0_65535:$imm,
4521 RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>,
4524 let isMoveImm = 1 in
4525 def MOVCCi : ARMPseudoInst<(outs GPR:$Rd),
4526 (ins GPR:$false, mod_imm:$imm, cmovpred:$p),
4528 [(set GPR:$Rd, (ARMcmov GPR:$false, mod_imm:$imm,
4530 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4532 // Two instruction predicate mov immediate.
4533 let isMoveImm = 1 in
4535 : ARMPseudoInst<(outs GPR:$Rd),
4536 (ins GPR:$false, i32imm:$src, cmovpred:$p),
4538 [(set GPR:$Rd, (ARMcmov GPR:$false, imm:$src,
4540 RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>;
4542 let isMoveImm = 1 in
4543 def MVNCCi : ARMPseudoInst<(outs GPR:$Rd),
4544 (ins GPR:$false, mod_imm:$imm, cmovpred:$p),
4546 [(set GPR:$Rd, (ARMcmov GPR:$false, mod_imm_not:$imm,
4548 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4553 //===----------------------------------------------------------------------===//
4554 // Atomic operations intrinsics
4557 def MemBarrierOptOperand : AsmOperandClass {
4558 let Name = "MemBarrierOpt";
4559 let ParserMethod = "parseMemBarrierOptOperand";
4561 def memb_opt : Operand<i32> {
4562 let PrintMethod = "printMemBOption";
4563 let ParserMatchClass = MemBarrierOptOperand;
4564 let DecoderMethod = "DecodeMemBarrierOption";
4567 def InstSyncBarrierOptOperand : AsmOperandClass {
4568 let Name = "InstSyncBarrierOpt";
4569 let ParserMethod = "parseInstSyncBarrierOptOperand";
4571 def instsyncb_opt : Operand<i32> {
4572 let PrintMethod = "printInstSyncBOption";
4573 let ParserMatchClass = InstSyncBarrierOptOperand;
4574 let DecoderMethod = "DecodeInstSyncBarrierOption";
4577 // Memory barriers protect the atomic sequences
4578 let hasSideEffects = 1 in {
4579 def DMB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
4580 "dmb", "\t$opt", [(int_arm_dmb (i32 imm0_15:$opt))]>,
4581 Requires<[IsARM, HasDB]> {
4583 let Inst{31-4} = 0xf57ff05;
4584 let Inst{3-0} = opt;
4587 def DSB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
4588 "dsb", "\t$opt", [(int_arm_dsb (i32 imm0_15:$opt))]>,
4589 Requires<[IsARM, HasDB]> {
4591 let Inst{31-4} = 0xf57ff04;
4592 let Inst{3-0} = opt;
4595 // ISB has only full system option
4596 def ISB : AInoP<(outs), (ins instsyncb_opt:$opt), MiscFrm, NoItinerary,
4597 "isb", "\t$opt", [(int_arm_isb (i32 imm0_15:$opt))]>,
4598 Requires<[IsARM, HasDB]> {
4600 let Inst{31-4} = 0xf57ff06;
4601 let Inst{3-0} = opt;
4605 let usesCustomInserter = 1, Defs = [CPSR] in {
4607 // Pseudo instruction that combines movs + predicated rsbmi
4608 // to implement integer ABS
4609 def ABS : ARMPseudoInst<(outs GPR:$dst), (ins GPR:$src), 8, NoItinerary, []>;
4612 let usesCustomInserter = 1 in {
4613 def COPY_STRUCT_BYVAL_I32 : PseudoInst<
4614 (outs), (ins GPR:$dst, GPR:$src, i32imm:$size, i32imm:$alignment),
4616 [(ARMcopystructbyval GPR:$dst, GPR:$src, imm:$size, imm:$alignment)]>;
4619 let hasPostISelHook = 1, Constraints = "$newdst = $dst, $newsrc = $src" in {
4620 // %newsrc, %newdst = MEMCPY %dst, %src, N, ...N scratch regs...
4621 // Copies N registers worth of memory from address %src to address %dst
4622 // and returns the incremented addresses. N scratch register will
4623 // be attached for the copy to use.
4624 def MEMCPY : PseudoInst<
4625 (outs GPR:$newdst, GPR:$newsrc),
4626 (ins GPR:$dst, GPR:$src, i32imm:$nreg, variable_ops),
4628 [(set GPR:$newdst, GPR:$newsrc,
4629 (ARMmemcopy GPR:$dst, GPR:$src, imm:$nreg))]>;
4632 def ldrex_1 : PatFrag<(ops node:$ptr), (int_arm_ldrex node:$ptr), [{
4633 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i8;
4636 def ldrex_2 : PatFrag<(ops node:$ptr), (int_arm_ldrex node:$ptr), [{
4637 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i16;
4640 def ldrex_4 : PatFrag<(ops node:$ptr), (int_arm_ldrex node:$ptr), [{
4641 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i32;
4644 def strex_1 : PatFrag<(ops node:$val, node:$ptr),
4645 (int_arm_strex node:$val, node:$ptr), [{
4646 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i8;
4649 def strex_2 : PatFrag<(ops node:$val, node:$ptr),
4650 (int_arm_strex node:$val, node:$ptr), [{
4651 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i16;
4654 def strex_4 : PatFrag<(ops node:$val, node:$ptr),
4655 (int_arm_strex node:$val, node:$ptr), [{
4656 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i32;
4659 def ldaex_1 : PatFrag<(ops node:$ptr), (int_arm_ldaex node:$ptr), [{
4660 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i8;
4663 def ldaex_2 : PatFrag<(ops node:$ptr), (int_arm_ldaex node:$ptr), [{
4664 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i16;
4667 def ldaex_4 : PatFrag<(ops node:$ptr), (int_arm_ldaex node:$ptr), [{
4668 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i32;
4671 def stlex_1 : PatFrag<(ops node:$val, node:$ptr),
4672 (int_arm_stlex node:$val, node:$ptr), [{
4673 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i8;
4676 def stlex_2 : PatFrag<(ops node:$val, node:$ptr),
4677 (int_arm_stlex node:$val, node:$ptr), [{
4678 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i16;
4681 def stlex_4 : PatFrag<(ops node:$val, node:$ptr),
4682 (int_arm_stlex node:$val, node:$ptr), [{
4683 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i32;
4686 let mayLoad = 1 in {
4687 def LDREXB : AIldrex<0b10, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4688 NoItinerary, "ldrexb", "\t$Rt, $addr",
4689 [(set GPR:$Rt, (ldrex_1 addr_offset_none:$addr))]>;
4690 def LDREXH : AIldrex<0b11, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4691 NoItinerary, "ldrexh", "\t$Rt, $addr",
4692 [(set GPR:$Rt, (ldrex_2 addr_offset_none:$addr))]>;
4693 def LDREX : AIldrex<0b00, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4694 NoItinerary, "ldrex", "\t$Rt, $addr",
4695 [(set GPR:$Rt, (ldrex_4 addr_offset_none:$addr))]>;
4696 let hasExtraDefRegAllocReq = 1 in
4697 def LDREXD : AIldrex<0b01, (outs GPRPairOp:$Rt),(ins addr_offset_none:$addr),
4698 NoItinerary, "ldrexd", "\t$Rt, $addr", []> {
4699 let DecoderMethod = "DecodeDoubleRegLoad";
4702 def LDAEXB : AIldaex<0b10, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4703 NoItinerary, "ldaexb", "\t$Rt, $addr",
4704 [(set GPR:$Rt, (ldaex_1 addr_offset_none:$addr))]>;
4705 def LDAEXH : AIldaex<0b11, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4706 NoItinerary, "ldaexh", "\t$Rt, $addr",
4707 [(set GPR:$Rt, (ldaex_2 addr_offset_none:$addr))]>;
4708 def LDAEX : AIldaex<0b00, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4709 NoItinerary, "ldaex", "\t$Rt, $addr",
4710 [(set GPR:$Rt, (ldaex_4 addr_offset_none:$addr))]>;
4711 let hasExtraDefRegAllocReq = 1 in
4712 def LDAEXD : AIldaex<0b01, (outs GPRPairOp:$Rt),(ins addr_offset_none:$addr),
4713 NoItinerary, "ldaexd", "\t$Rt, $addr", []> {
4714 let DecoderMethod = "DecodeDoubleRegLoad";
4718 let mayStore = 1, Constraints = "@earlyclobber $Rd" in {
4719 def STREXB: AIstrex<0b10, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4720 NoItinerary, "strexb", "\t$Rd, $Rt, $addr",
4721 [(set GPR:$Rd, (strex_1 GPR:$Rt,
4722 addr_offset_none:$addr))]>;
4723 def STREXH: AIstrex<0b11, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4724 NoItinerary, "strexh", "\t$Rd, $Rt, $addr",
4725 [(set GPR:$Rd, (strex_2 GPR:$Rt,
4726 addr_offset_none:$addr))]>;
4727 def STREX : AIstrex<0b00, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4728 NoItinerary, "strex", "\t$Rd, $Rt, $addr",
4729 [(set GPR:$Rd, (strex_4 GPR:$Rt,
4730 addr_offset_none:$addr))]>;
4731 let hasExtraSrcRegAllocReq = 1 in
4732 def STREXD : AIstrex<0b01, (outs GPR:$Rd),
4733 (ins GPRPairOp:$Rt, addr_offset_none:$addr),
4734 NoItinerary, "strexd", "\t$Rd, $Rt, $addr", []> {
4735 let DecoderMethod = "DecodeDoubleRegStore";
4737 def STLEXB: AIstlex<0b10, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4738 NoItinerary, "stlexb", "\t$Rd, $Rt, $addr",
4740 (stlex_1 GPR:$Rt, addr_offset_none:$addr))]>;
4741 def STLEXH: AIstlex<0b11, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4742 NoItinerary, "stlexh", "\t$Rd, $Rt, $addr",
4744 (stlex_2 GPR:$Rt, addr_offset_none:$addr))]>;
4745 def STLEX : AIstlex<0b00, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4746 NoItinerary, "stlex", "\t$Rd, $Rt, $addr",
4748 (stlex_4 GPR:$Rt, addr_offset_none:$addr))]>;
4749 let hasExtraSrcRegAllocReq = 1 in
4750 def STLEXD : AIstlex<0b01, (outs GPR:$Rd),
4751 (ins GPRPairOp:$Rt, addr_offset_none:$addr),
4752 NoItinerary, "stlexd", "\t$Rd, $Rt, $addr", []> {
4753 let DecoderMethod = "DecodeDoubleRegStore";
4757 def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex",
4759 Requires<[IsARM, HasV6K]> {
4760 let Inst{31-0} = 0b11110101011111111111000000011111;
4763 def : ARMPat<(strex_1 (and GPR:$Rt, 0xff), addr_offset_none:$addr),
4764 (STREXB GPR:$Rt, addr_offset_none:$addr)>;
4765 def : ARMPat<(strex_2 (and GPR:$Rt, 0xffff), addr_offset_none:$addr),
4766 (STREXH GPR:$Rt, addr_offset_none:$addr)>;
4768 def : ARMPat<(stlex_1 (and GPR:$Rt, 0xff), addr_offset_none:$addr),
4769 (STLEXB GPR:$Rt, addr_offset_none:$addr)>;
4770 def : ARMPat<(stlex_2 (and GPR:$Rt, 0xffff), addr_offset_none:$addr),
4771 (STLEXH GPR:$Rt, addr_offset_none:$addr)>;
4773 class acquiring_load<PatFrag base>
4774 : PatFrag<(ops node:$ptr), (base node:$ptr), [{
4775 AtomicOrdering Ordering = cast<AtomicSDNode>(N)->getOrdering();
4776 return isAcquireOrStronger(Ordering);
4779 def atomic_load_acquire_8 : acquiring_load<atomic_load_8>;
4780 def atomic_load_acquire_16 : acquiring_load<atomic_load_16>;
4781 def atomic_load_acquire_32 : acquiring_load<atomic_load_32>;
4783 class releasing_store<PatFrag base>
4784 : PatFrag<(ops node:$ptr, node:$val), (base node:$ptr, node:$val), [{
4785 AtomicOrdering Ordering = cast<AtomicSDNode>(N)->getOrdering();
4786 return isReleaseOrStronger(Ordering);
4789 def atomic_store_release_8 : releasing_store<atomic_store_8>;
4790 def atomic_store_release_16 : releasing_store<atomic_store_16>;
4791 def atomic_store_release_32 : releasing_store<atomic_store_32>;
4793 let AddedComplexity = 8 in {
4794 def : ARMPat<(atomic_load_acquire_8 addr_offset_none:$addr), (LDAB addr_offset_none:$addr)>;
4795 def : ARMPat<(atomic_load_acquire_16 addr_offset_none:$addr), (LDAH addr_offset_none:$addr)>;
4796 def : ARMPat<(atomic_load_acquire_32 addr_offset_none:$addr), (LDA addr_offset_none:$addr)>;
4797 def : ARMPat<(atomic_store_release_8 addr_offset_none:$addr, GPR:$val), (STLB GPR:$val, addr_offset_none:$addr)>;
4798 def : ARMPat<(atomic_store_release_16 addr_offset_none:$addr, GPR:$val), (STLH GPR:$val, addr_offset_none:$addr)>;
4799 def : ARMPat<(atomic_store_release_32 addr_offset_none:$addr, GPR:$val), (STL GPR:$val, addr_offset_none:$addr)>;
4802 // SWP/SWPB are deprecated in V6/V7.
4803 let mayLoad = 1, mayStore = 1 in {
4804 def SWP : AIswp<0, (outs GPRnopc:$Rt),
4805 (ins GPRnopc:$Rt2, addr_offset_none:$addr), "swp", []>,
4807 def SWPB: AIswp<1, (outs GPRnopc:$Rt),
4808 (ins GPRnopc:$Rt2, addr_offset_none:$addr), "swpb", []>,
4812 //===----------------------------------------------------------------------===//
4813 // Coprocessor Instructions.
4816 def CDP : ABI<0b1110, (outs), (ins p_imm:$cop, imm0_15:$opc1,
4817 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, imm0_7:$opc2),
4818 NoItinerary, "cdp", "\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
4819 [(int_arm_cdp imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
4820 imm:$CRm, imm:$opc2)]>,
4829 let Inst{3-0} = CRm;
4831 let Inst{7-5} = opc2;
4832 let Inst{11-8} = cop;
4833 let Inst{15-12} = CRd;
4834 let Inst{19-16} = CRn;
4835 let Inst{23-20} = opc1;
4838 def CDP2 : ABXI<0b1110, (outs), (ins p_imm:$cop, imm0_15:$opc1,
4839 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, imm0_7:$opc2),
4840 NoItinerary, "cdp2\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
4841 [(int_arm_cdp2 imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
4842 imm:$CRm, imm:$opc2)]>,
4844 let Inst{31-28} = 0b1111;
4852 let Inst{3-0} = CRm;
4854 let Inst{7-5} = opc2;
4855 let Inst{11-8} = cop;
4856 let Inst{15-12} = CRd;
4857 let Inst{19-16} = CRn;
4858 let Inst{23-20} = opc1;
4861 class ACI<dag oops, dag iops, string opc, string asm,
4862 list<dag> pattern, IndexMode im = IndexModeNone>
4863 : I<oops, iops, AddrModeNone, 4, im, BrFrm, NoItinerary,
4864 opc, asm, "", pattern> {
4865 let Inst{27-25} = 0b110;
4867 class ACInoP<dag oops, dag iops, string opc, string asm,
4868 list<dag> pattern, IndexMode im = IndexModeNone>
4869 : InoP<oops, iops, AddrModeNone, 4, im, BrFrm, NoItinerary,
4870 opc, asm, "", pattern> {
4871 let Inst{31-28} = 0b1111;
4872 let Inst{27-25} = 0b110;
4874 multiclass LdStCop<bit load, bit Dbit, string asm, list<dag> pattern> {
4875 def _OFFSET : ACI<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5:$addr),
4876 asm, "\t$cop, $CRd, $addr", pattern> {
4880 let Inst{24} = 1; // P = 1
4881 let Inst{23} = addr{8};
4882 let Inst{22} = Dbit;
4883 let Inst{21} = 0; // W = 0
4884 let Inst{20} = load;
4885 let Inst{19-16} = addr{12-9};
4886 let Inst{15-12} = CRd;
4887 let Inst{11-8} = cop;
4888 let Inst{7-0} = addr{7-0};
4889 let DecoderMethod = "DecodeCopMemInstruction";
4891 def _PRE : ACI<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5_pre:$addr),
4892 asm, "\t$cop, $CRd, $addr!", [], IndexModePre> {
4896 let Inst{24} = 1; // P = 1
4897 let Inst{23} = addr{8};
4898 let Inst{22} = Dbit;
4899 let Inst{21} = 1; // W = 1
4900 let Inst{20} = load;
4901 let Inst{19-16} = addr{12-9};
4902 let Inst{15-12} = CRd;
4903 let Inst{11-8} = cop;
4904 let Inst{7-0} = addr{7-0};
4905 let DecoderMethod = "DecodeCopMemInstruction";
4907 def _POST: ACI<(outs), (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
4908 postidx_imm8s4:$offset),
4909 asm, "\t$cop, $CRd, $addr, $offset", [], IndexModePost> {
4914 let Inst{24} = 0; // P = 0
4915 let Inst{23} = offset{8};
4916 let Inst{22} = Dbit;
4917 let Inst{21} = 1; // W = 1
4918 let Inst{20} = load;
4919 let Inst{19-16} = addr;
4920 let Inst{15-12} = CRd;
4921 let Inst{11-8} = cop;
4922 let Inst{7-0} = offset{7-0};
4923 let DecoderMethod = "DecodeCopMemInstruction";
4925 def _OPTION : ACI<(outs),
4926 (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
4927 coproc_option_imm:$option),
4928 asm, "\t$cop, $CRd, $addr, $option", []> {
4933 let Inst{24} = 0; // P = 0
4934 let Inst{23} = 1; // U = 1
4935 let Inst{22} = Dbit;
4936 let Inst{21} = 0; // W = 0
4937 let Inst{20} = load;
4938 let Inst{19-16} = addr;
4939 let Inst{15-12} = CRd;
4940 let Inst{11-8} = cop;
4941 let Inst{7-0} = option;
4942 let DecoderMethod = "DecodeCopMemInstruction";
4945 multiclass LdSt2Cop<bit load, bit Dbit, string asm, list<dag> pattern> {
4946 def _OFFSET : ACInoP<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5:$addr),
4947 asm, "\t$cop, $CRd, $addr", pattern> {
4951 let Inst{24} = 1; // P = 1
4952 let Inst{23} = addr{8};
4953 let Inst{22} = Dbit;
4954 let Inst{21} = 0; // W = 0
4955 let Inst{20} = load;
4956 let Inst{19-16} = addr{12-9};
4957 let Inst{15-12} = CRd;
4958 let Inst{11-8} = cop;
4959 let Inst{7-0} = addr{7-0};
4960 let DecoderMethod = "DecodeCopMemInstruction";
4962 def _PRE : ACInoP<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5_pre:$addr),
4963 asm, "\t$cop, $CRd, $addr!", [], IndexModePre> {
4967 let Inst{24} = 1; // P = 1
4968 let Inst{23} = addr{8};
4969 let Inst{22} = Dbit;
4970 let Inst{21} = 1; // W = 1
4971 let Inst{20} = load;
4972 let Inst{19-16} = addr{12-9};
4973 let Inst{15-12} = CRd;
4974 let Inst{11-8} = cop;
4975 let Inst{7-0} = addr{7-0};
4976 let DecoderMethod = "DecodeCopMemInstruction";
4978 def _POST: ACInoP<(outs), (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
4979 postidx_imm8s4:$offset),
4980 asm, "\t$cop, $CRd, $addr, $offset", [], IndexModePost> {
4985 let Inst{24} = 0; // P = 0
4986 let Inst{23} = offset{8};
4987 let Inst{22} = Dbit;
4988 let Inst{21} = 1; // W = 1
4989 let Inst{20} = load;
4990 let Inst{19-16} = addr;
4991 let Inst{15-12} = CRd;
4992 let Inst{11-8} = cop;
4993 let Inst{7-0} = offset{7-0};
4994 let DecoderMethod = "DecodeCopMemInstruction";
4996 def _OPTION : ACInoP<(outs),
4997 (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
4998 coproc_option_imm:$option),
4999 asm, "\t$cop, $CRd, $addr, $option", []> {
5004 let Inst{24} = 0; // P = 0
5005 let Inst{23} = 1; // U = 1
5006 let Inst{22} = Dbit;
5007 let Inst{21} = 0; // W = 0
5008 let Inst{20} = load;
5009 let Inst{19-16} = addr;
5010 let Inst{15-12} = CRd;
5011 let Inst{11-8} = cop;
5012 let Inst{7-0} = option;
5013 let DecoderMethod = "DecodeCopMemInstruction";
5017 defm LDC : LdStCop <1, 0, "ldc", [(int_arm_ldc imm:$cop, imm:$CRd, addrmode5:$addr)]>;
5018 defm LDCL : LdStCop <1, 1, "ldcl", [(int_arm_ldcl imm:$cop, imm:$CRd, addrmode5:$addr)]>;
5019 defm LDC2 : LdSt2Cop<1, 0, "ldc2", [(int_arm_ldc2 imm:$cop, imm:$CRd, addrmode5:$addr)]>, Requires<[PreV8]>;
5020 defm LDC2L : LdSt2Cop<1, 1, "ldc2l", [(int_arm_ldc2l imm:$cop, imm:$CRd, addrmode5:$addr)]>, Requires<[PreV8]>;
5022 defm STC : LdStCop <0, 0, "stc", [(int_arm_stc imm:$cop, imm:$CRd, addrmode5:$addr)]>;
5023 defm STCL : LdStCop <0, 1, "stcl", [(int_arm_stcl imm:$cop, imm:$CRd, addrmode5:$addr)]>;
5024 defm STC2 : LdSt2Cop<0, 0, "stc2", [(int_arm_stc2 imm:$cop, imm:$CRd, addrmode5:$addr)]>, Requires<[PreV8]>;
5025 defm STC2L : LdSt2Cop<0, 1, "stc2l", [(int_arm_stc2l imm:$cop, imm:$CRd, addrmode5:$addr)]>, Requires<[PreV8]>;
5027 //===----------------------------------------------------------------------===//
5028 // Move between coprocessor and ARM core register.
5031 class MovRCopro<string opc, bit direction, dag oops, dag iops,
5033 : ABI<0b1110, oops, iops, NoItinerary, opc,
5034 "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2", pattern> {
5035 let Inst{20} = direction;
5045 let Inst{15-12} = Rt;
5046 let Inst{11-8} = cop;
5047 let Inst{23-21} = opc1;
5048 let Inst{7-5} = opc2;
5049 let Inst{3-0} = CRm;
5050 let Inst{19-16} = CRn;
5053 def MCR : MovRCopro<"mcr", 0 /* from ARM core register to coprocessor */,
5055 (ins p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
5056 c_imm:$CRm, imm0_7:$opc2),
5057 [(int_arm_mcr imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
5058 imm:$CRm, imm:$opc2)]>,
5059 ComplexDeprecationPredicate<"MCR">;
5060 def : ARMInstAlias<"mcr${p} $cop, $opc1, $Rt, $CRn, $CRm",
5061 (MCR p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
5062 c_imm:$CRm, 0, pred:$p)>;
5063 def MRC : MovRCopro<"mrc", 1 /* from coprocessor to ARM core register */,
5064 (outs GPRwithAPSR:$Rt),
5065 (ins p_imm:$cop, imm0_7:$opc1, c_imm:$CRn, c_imm:$CRm,
5067 def : ARMInstAlias<"mrc${p} $cop, $opc1, $Rt, $CRn, $CRm",
5068 (MRC GPRwithAPSR:$Rt, p_imm:$cop, imm0_7:$opc1, c_imm:$CRn,
5069 c_imm:$CRm, 0, pred:$p)>;
5071 def : ARMPat<(int_arm_mrc imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2),
5072 (MRC imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
5074 class MovRCopro2<string opc, bit direction, dag oops, dag iops,
5076 : ABXI<0b1110, oops, iops, NoItinerary,
5077 !strconcat(opc, "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2"), pattern> {
5078 let Inst{31-24} = 0b11111110;
5079 let Inst{20} = direction;
5089 let Inst{15-12} = Rt;
5090 let Inst{11-8} = cop;
5091 let Inst{23-21} = opc1;
5092 let Inst{7-5} = opc2;
5093 let Inst{3-0} = CRm;
5094 let Inst{19-16} = CRn;
5097 def MCR2 : MovRCopro2<"mcr2", 0 /* from ARM core register to coprocessor */,
5099 (ins p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
5100 c_imm:$CRm, imm0_7:$opc2),
5101 [(int_arm_mcr2 imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
5102 imm:$CRm, imm:$opc2)]>,
5104 def : ARMInstAlias<"mcr2 $cop, $opc1, $Rt, $CRn, $CRm",
5105 (MCR2 p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
5107 def MRC2 : MovRCopro2<"mrc2", 1 /* from coprocessor to ARM core register */,
5108 (outs GPRwithAPSR:$Rt),
5109 (ins p_imm:$cop, imm0_7:$opc1, c_imm:$CRn, c_imm:$CRm,
5112 def : ARMInstAlias<"mrc2 $cop, $opc1, $Rt, $CRn, $CRm",
5113 (MRC2 GPRwithAPSR:$Rt, p_imm:$cop, imm0_7:$opc1, c_imm:$CRn,
5116 def : ARMV5TPat<(int_arm_mrc2 imm:$cop, imm:$opc1, imm:$CRn,
5117 imm:$CRm, imm:$opc2),
5118 (MRC2 imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
5120 class MovRRCopro<string opc, bit direction, dag oops, dag iops, list<dag>
5122 : ABI<0b1100, oops, iops, NoItinerary, opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm",
5125 let Inst{23-21} = 0b010;
5126 let Inst{20} = direction;
5134 let Inst{15-12} = Rt;
5135 let Inst{19-16} = Rt2;
5136 let Inst{11-8} = cop;
5137 let Inst{7-4} = opc1;
5138 let Inst{3-0} = CRm;
5141 def MCRR : MovRRCopro<"mcrr", 0 /* from ARM core register to coprocessor */,
5142 (outs), (ins p_imm:$cop, imm0_15:$opc1, GPRnopc:$Rt,
5143 GPRnopc:$Rt2, c_imm:$CRm),
5144 [(int_arm_mcrr imm:$cop, imm:$opc1, GPRnopc:$Rt,
5145 GPRnopc:$Rt2, imm:$CRm)]>;
5146 def MRRC : MovRRCopro<"mrrc", 1 /* from coprocessor to ARM core register */,
5147 (outs GPRnopc:$Rt, GPRnopc:$Rt2),
5148 (ins p_imm:$cop, imm0_15:$opc1, c_imm:$CRm), []>;
5150 class MovRRCopro2<string opc, bit direction, dag oops, dag iops,
5151 list<dag> pattern = []>
5152 : ABXI<0b1100, oops, iops, NoItinerary,
5153 !strconcat(opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm"), pattern>,
5155 let Inst{31-28} = 0b1111;
5156 let Inst{23-21} = 0b010;
5157 let Inst{20} = direction;
5165 let Inst{15-12} = Rt;
5166 let Inst{19-16} = Rt2;
5167 let Inst{11-8} = cop;
5168 let Inst{7-4} = opc1;
5169 let Inst{3-0} = CRm;
5171 let DecoderMethod = "DecoderForMRRC2AndMCRR2";
5174 def MCRR2 : MovRRCopro2<"mcrr2", 0 /* from ARM core register to coprocessor */,
5175 (outs), (ins p_imm:$cop, imm0_15:$opc1, GPRnopc:$Rt,
5176 GPRnopc:$Rt2, c_imm:$CRm),
5177 [(int_arm_mcrr2 imm:$cop, imm:$opc1, GPRnopc:$Rt,
5178 GPRnopc:$Rt2, imm:$CRm)]>;
5180 def MRRC2 : MovRRCopro2<"mrrc2", 1 /* from coprocessor to ARM core register */,
5181 (outs GPRnopc:$Rt, GPRnopc:$Rt2),
5182 (ins p_imm:$cop, imm0_15:$opc1, c_imm:$CRm), []>;
5184 //===----------------------------------------------------------------------===//
5185 // Move between special register and ARM core register
5188 // Move to ARM core register from Special Register
5189 def MRS : ABI<0b0001, (outs GPRnopc:$Rd), (ins), NoItinerary,
5190 "mrs", "\t$Rd, apsr", []> {
5192 let Inst{23-16} = 0b00001111;
5193 let Unpredictable{19-17} = 0b111;
5195 let Inst{15-12} = Rd;
5197 let Inst{11-0} = 0b000000000000;
5198 let Unpredictable{11-0} = 0b110100001111;
5201 def : InstAlias<"mrs${p} $Rd, cpsr", (MRS GPRnopc:$Rd, pred:$p), 0>,
5204 // The MRSsys instruction is the MRS instruction from the ARM ARM,
5205 // section B9.3.9, with the R bit set to 1.
5206 def MRSsys : ABI<0b0001, (outs GPRnopc:$Rd), (ins), NoItinerary,
5207 "mrs", "\t$Rd, spsr", []> {
5209 let Inst{23-16} = 0b01001111;
5210 let Unpredictable{19-16} = 0b1111;
5212 let Inst{15-12} = Rd;
5214 let Inst{11-0} = 0b000000000000;
5215 let Unpredictable{11-0} = 0b110100001111;
5218 // However, the MRS (banked register) system instruction (ARMv7VE) *does* have a
5219 // separate encoding (distinguished by bit 5.
5220 def MRSbanked : ABI<0b0001, (outs GPRnopc:$Rd), (ins banked_reg:$banked),
5221 NoItinerary, "mrs", "\t$Rd, $banked", []>,
5222 Requires<[IsARM, HasVirtualization]> {
5227 let Inst{22} = banked{5}; // R bit
5228 let Inst{21-20} = 0b00;
5229 let Inst{19-16} = banked{3-0};
5230 let Inst{15-12} = Rd;
5231 let Inst{11-9} = 0b001;
5232 let Inst{8} = banked{4};
5233 let Inst{7-0} = 0b00000000;
5236 // Move from ARM core register to Special Register
5238 // No need to have both system and application versions of MSR (immediate) or
5239 // MSR (register), the encodings are the same and the assembly parser has no way
5240 // to distinguish between them. The mask operand contains the special register
5241 // (R Bit) in bit 4 and bits 3-0 contains the mask with the fields to be
5242 // accessed in the special register.
5243 let Defs = [CPSR] in
5244 def MSR : ABI<0b0001, (outs), (ins msr_mask:$mask, GPR:$Rn), NoItinerary,
5245 "msr", "\t$mask, $Rn", []> {
5250 let Inst{22} = mask{4}; // R bit
5251 let Inst{21-20} = 0b10;
5252 let Inst{19-16} = mask{3-0};
5253 let Inst{15-12} = 0b1111;
5254 let Inst{11-4} = 0b00000000;
5258 let Defs = [CPSR] in
5259 def MSRi : ABI<0b0011, (outs), (ins msr_mask:$mask, mod_imm:$imm), NoItinerary,
5260 "msr", "\t$mask, $imm", []> {
5265 let Inst{22} = mask{4}; // R bit
5266 let Inst{21-20} = 0b10;
5267 let Inst{19-16} = mask{3-0};
5268 let Inst{15-12} = 0b1111;
5269 let Inst{11-0} = imm;
5272 // However, the MSR (banked register) system instruction (ARMv7VE) *does* have a
5273 // separate encoding (distinguished by bit 5.
5274 def MSRbanked : ABI<0b0001, (outs), (ins banked_reg:$banked, GPRnopc:$Rn),
5275 NoItinerary, "msr", "\t$banked, $Rn", []>,
5276 Requires<[IsARM, HasVirtualization]> {
5281 let Inst{22} = banked{5}; // R bit
5282 let Inst{21-20} = 0b10;
5283 let Inst{19-16} = banked{3-0};
5284 let Inst{15-12} = 0b1111;
5285 let Inst{11-9} = 0b001;
5286 let Inst{8} = banked{4};
5287 let Inst{7-4} = 0b0000;
5291 // Dynamic stack allocation yields a _chkstk for Windows targets. These calls
5292 // are needed to probe the stack when allocating more than
5293 // 4k bytes in one go. Touching the stack at 4K increments is necessary to
5294 // ensure that the guard pages used by the OS virtual memory manager are
5295 // allocated in correct sequence.
5296 // The main point of having separate instruction are extra unmodelled effects
5297 // (compared to ordinary calls) like stack pointer change.
5299 def win__chkstk : SDNode<"ARMISD::WIN__CHKSTK", SDTNone,
5300 [SDNPHasChain, SDNPSideEffect]>;
5301 let usesCustomInserter = 1, Uses = [R4], Defs = [R4, SP] in
5302 def WIN__CHKSTK : PseudoInst<(outs), (ins), NoItinerary, [(win__chkstk)]>;
5304 def win__dbzchk : SDNode<"ARMISD::WIN__DBZCHK", SDT_WIN__DBZCHK,
5305 [SDNPHasChain, SDNPSideEffect, SDNPOutGlue]>;
5306 let usesCustomInserter = 1, Defs = [CPSR] in
5307 def WIN__DBZCHK : PseudoInst<(outs), (ins tGPR:$divisor), NoItinerary,
5308 [(win__dbzchk tGPR:$divisor)]>;
5310 //===----------------------------------------------------------------------===//
5314 // __aeabi_read_tp preserves the registers r1-r3.
5315 // This is a pseudo inst so that we can get the encoding right,
5316 // complete with fixup for the aeabi_read_tp function.
5317 // TPsoft is valid for ARM mode only, in case of Thumb mode a tTPsoft pattern
5318 // is defined in "ARMInstrThumb.td".
5320 Defs = [R0, R12, LR, CPSR], Uses = [SP] in {
5321 def TPsoft : ARMPseudoInst<(outs), (ins), 4, IIC_Br,
5322 [(set R0, ARMthread_pointer)]>, Sched<[WriteBr]>;
5325 //===----------------------------------------------------------------------===//
5326 // SJLJ Exception handling intrinsics
5327 // eh_sjlj_setjmp() is an instruction sequence to store the return
5328 // address and save #0 in R0 for the non-longjmp case.
5329 // Since by its nature we may be coming from some other function to get
5330 // here, and we're using the stack frame for the containing function to
5331 // save/restore registers, we can't keep anything live in regs across
5332 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
5333 // when we get here from a longjmp(). We force everything out of registers
5334 // except for our own input by listing the relevant registers in Defs. By
5335 // doing so, we also cause the prologue/epilogue code to actively preserve
5336 // all of the callee-saved resgisters, which is exactly what we want.
5337 // A constant value is passed in $val, and we use the location as a scratch.
5339 // These are pseudo-instructions and are lowered to individual MC-insts, so
5340 // no encoding information is necessary.
5342 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR,
5343 Q0, Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8, Q9, Q10, Q11, Q12, Q13, Q14, Q15 ],
5344 hasSideEffects = 1, isBarrier = 1, usesCustomInserter = 1 in {
5345 def Int_eh_sjlj_setjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
5347 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
5348 Requires<[IsARM, HasVFP2]>;
5352 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR ],
5353 hasSideEffects = 1, isBarrier = 1, usesCustomInserter = 1 in {
5354 def Int_eh_sjlj_setjmp_nofp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
5356 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
5357 Requires<[IsARM, NoVFP]>;
5360 // FIXME: Non-IOS version(s)
5361 let isBarrier = 1, hasSideEffects = 1, isTerminator = 1,
5362 Defs = [ R7, LR, SP ] in {
5363 def Int_eh_sjlj_longjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$scratch),
5365 [(ARMeh_sjlj_longjmp GPR:$src, GPR:$scratch)]>,
5369 let isBarrier = 1, hasSideEffects = 1, usesCustomInserter = 1 in
5370 def Int_eh_sjlj_setup_dispatch : PseudoInst<(outs), (ins), NoItinerary,
5371 [(ARMeh_sjlj_setup_dispatch)]>;
5373 // eh.sjlj.dispatchsetup pseudo-instruction.
5374 // This pseudo is used for both ARM and Thumb. Any differences are handled when
5375 // the pseudo is expanded (which happens before any passes that need the
5376 // instruction size).
5377 let isBarrier = 1 in
5378 def Int_eh_sjlj_dispatchsetup : PseudoInst<(outs), (ins), NoItinerary, []>;
5381 //===----------------------------------------------------------------------===//
5382 // Non-Instruction Patterns
5385 // ARMv4 indirect branch using (MOVr PC, dst)
5386 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in
5387 def MOVPCRX : ARMPseudoExpand<(outs), (ins GPR:$dst),
5388 4, IIC_Br, [(brind GPR:$dst)],
5389 (MOVr PC, GPR:$dst, (ops 14, zero_reg), zero_reg)>,
5390 Requires<[IsARM, NoV4T]>, Sched<[WriteBr]>;
5392 // Large immediate handling.
5394 // 32-bit immediate using two piece mod_imms or movw + movt.
5395 // This is a single pseudo instruction, the benefit is that it can be remat'd
5396 // as a single unit instead of having to handle reg inputs.
5397 // FIXME: Remove this when we can do generalized remat.
5398 let isReMaterializable = 1, isMoveImm = 1 in
5399 def MOVi32imm : PseudoInst<(outs GPR:$dst), (ins i32imm:$src), IIC_iMOVix2,
5400 [(set GPR:$dst, (arm_i32imm:$src))]>,
5403 def LDRLIT_ga_abs : PseudoInst<(outs GPR:$dst), (ins i32imm:$src), IIC_iLoad_i,
5404 [(set GPR:$dst, (ARMWrapper tglobaladdr:$src))]>,
5405 Requires<[IsARM, DontUseMovt]>;
5407 // Pseudo instruction that combines movw + movt + add pc (if PIC).
5408 // It also makes it possible to rematerialize the instructions.
5409 // FIXME: Remove this when we can do generalized remat and when machine licm
5410 // can properly the instructions.
5411 let isReMaterializable = 1 in {
5412 def MOV_ga_pcrel : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
5414 [(set GPR:$dst, (ARMWrapperPIC tglobaladdr:$addr))]>,
5415 Requires<[IsARM, UseMovt]>;
5417 def LDRLIT_ga_pcrel : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
5420 (ARMWrapperPIC tglobaladdr:$addr))]>,
5421 Requires<[IsARM, DontUseMovt]>;
5423 let AddedComplexity = 10 in
5424 def LDRLIT_ga_pcrel_ldr : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
5427 (load (ARMWrapperPIC tglobaladdr:$addr)))]>,
5428 Requires<[IsARM, DontUseMovt]>;
5430 let AddedComplexity = 10 in
5431 def MOV_ga_pcrel_ldr : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
5433 [(set GPR:$dst, (load (ARMWrapperPIC tglobaladdr:$addr)))]>,
5434 Requires<[IsARM, UseMovt]>;
5435 } // isReMaterializable
5437 // The many different faces of TLS access.
5438 def : ARMPat<(ARMWrapper tglobaltlsaddr :$dst),
5439 (MOVi32imm tglobaltlsaddr :$dst)>,
5440 Requires<[IsARM, UseMovt]>;
5442 def : Pat<(ARMWrapper tglobaltlsaddr:$src),
5443 (LDRLIT_ga_abs tglobaltlsaddr:$src)>,
5444 Requires<[IsARM, DontUseMovt]>;
5446 def : Pat<(ARMWrapperPIC tglobaltlsaddr:$addr),
5447 (MOV_ga_pcrel tglobaltlsaddr:$addr)>, Requires<[IsARM, UseMovt]>;
5449 def : Pat<(ARMWrapperPIC tglobaltlsaddr:$addr),
5450 (LDRLIT_ga_pcrel tglobaltlsaddr:$addr)>,
5451 Requires<[IsARM, DontUseMovt]>;
5452 let AddedComplexity = 10 in
5453 def : Pat<(load (ARMWrapperPIC tglobaltlsaddr:$addr)),
5454 (MOV_ga_pcrel_ldr tglobaltlsaddr:$addr)>,
5455 Requires<[IsARM, UseMovt]>;
5458 // ConstantPool, GlobalAddress, and JumpTable
5459 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
5460 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
5461 Requires<[IsARM, UseMovt]>;
5462 def : ARMPat<(ARMWrapper texternalsym :$dst), (MOVi32imm texternalsym :$dst)>,
5463 Requires<[IsARM, UseMovt]>;
5464 def : ARMPat<(ARMWrapperJT tjumptable:$dst),
5465 (LEApcrelJT tjumptable:$dst)>;
5467 // TODO: add,sub,and, 3-instr forms?
5469 // Tail calls. These patterns also apply to Thumb mode.
5470 def : Pat<(ARMtcret tcGPR:$dst), (TCRETURNri tcGPR:$dst)>;
5471 def : Pat<(ARMtcret (i32 tglobaladdr:$dst)), (TCRETURNdi texternalsym:$dst)>;
5472 def : Pat<(ARMtcret (i32 texternalsym:$dst)), (TCRETURNdi texternalsym:$dst)>;
5475 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>;
5476 def : ARMPat<(ARMcall_nolink texternalsym:$func),
5477 (BMOVPCB_CALL texternalsym:$func)>;
5479 // zextload i1 -> zextload i8
5480 def : ARMPat<(zextloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
5481 def : ARMPat<(zextloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
5483 // extload -> zextload
5484 def : ARMPat<(extloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
5485 def : ARMPat<(extloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
5486 def : ARMPat<(extloadi8 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
5487 def : ARMPat<(extloadi8 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
5489 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
5491 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
5492 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
5495 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
5496 (sra (shl GPR:$b, (i32 16)), (i32 16))),
5497 (SMULBB GPR:$a, GPR:$b)>;
5498 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
5499 (SMULBB GPR:$a, GPR:$b)>;
5500 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
5501 (sra GPR:$b, (i32 16))),
5502 (SMULBT GPR:$a, GPR:$b)>;
5503 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
5504 (SMULBT GPR:$a, GPR:$b)>;
5505 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
5506 (sra (shl GPR:$b, (i32 16)), (i32 16))),
5507 (SMULTB GPR:$a, GPR:$b)>;
5508 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
5509 (SMULTB GPR:$a, GPR:$b)>;
5511 def : ARMV5MOPat<(add GPR:$acc,
5512 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
5513 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
5514 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
5515 def : ARMV5MOPat<(add GPR:$acc,
5516 (mul sext_16_node:$a, sext_16_node:$b)),
5517 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
5518 def : ARMV5MOPat<(add GPR:$acc,
5519 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
5520 (sra GPR:$b, (i32 16)))),
5521 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
5522 def : ARMV5MOPat<(add GPR:$acc,
5523 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
5524 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
5525 def : ARMV5MOPat<(add GPR:$acc,
5526 (mul (sra GPR:$a, (i32 16)),
5527 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
5528 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
5529 def : ARMV5MOPat<(add GPR:$acc,
5530 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
5531 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
5534 // Pre-v7 uses MCR for synchronization barriers.
5535 def : ARMPat<(ARMMemBarrierMCR GPR:$zero), (MCR 15, 0, GPR:$zero, 7, 10, 5)>,
5536 Requires<[IsARM, HasV6]>;
5538 // SXT/UXT with no rotate
5539 let AddedComplexity = 16 in {
5540 def : ARMV6Pat<(and GPR:$Src, 0x000000FF), (UXTB GPR:$Src, 0)>;
5541 def : ARMV6Pat<(and GPR:$Src, 0x0000FFFF), (UXTH GPR:$Src, 0)>;
5542 def : ARMV6Pat<(and GPR:$Src, 0x00FF00FF), (UXTB16 GPR:$Src, 0)>;
5543 def : ARMV6Pat<(add GPR:$Rn, (and GPR:$Rm, 0x00FF)),
5544 (UXTAB GPR:$Rn, GPR:$Rm, 0)>;
5545 def : ARMV6Pat<(add GPR:$Rn, (and GPR:$Rm, 0xFFFF)),
5546 (UXTAH GPR:$Rn, GPR:$Rm, 0)>;
5549 def : ARMV6Pat<(sext_inreg GPR:$Src, i8), (SXTB GPR:$Src, 0)>;
5550 def : ARMV6Pat<(sext_inreg GPR:$Src, i16), (SXTH GPR:$Src, 0)>;
5552 def : ARMV6Pat<(add GPR:$Rn, (sext_inreg GPRnopc:$Rm, i8)),
5553 (SXTAB GPR:$Rn, GPRnopc:$Rm, 0)>;
5554 def : ARMV6Pat<(add GPR:$Rn, (sext_inreg GPRnopc:$Rm, i16)),
5555 (SXTAH GPR:$Rn, GPRnopc:$Rm, 0)>;
5557 // Atomic load/store patterns
5558 def : ARMPat<(atomic_load_8 ldst_so_reg:$src),
5559 (LDRBrs ldst_so_reg:$src)>;
5560 def : ARMPat<(atomic_load_8 addrmode_imm12:$src),
5561 (LDRBi12 addrmode_imm12:$src)>;
5562 def : ARMPat<(atomic_load_16 addrmode3:$src),
5563 (LDRH addrmode3:$src)>;
5564 def : ARMPat<(atomic_load_32 ldst_so_reg:$src),
5565 (LDRrs ldst_so_reg:$src)>;
5566 def : ARMPat<(atomic_load_32 addrmode_imm12:$src),
5567 (LDRi12 addrmode_imm12:$src)>;
5568 def : ARMPat<(atomic_store_8 ldst_so_reg:$ptr, GPR:$val),
5569 (STRBrs GPR:$val, ldst_so_reg:$ptr)>;
5570 def : ARMPat<(atomic_store_8 addrmode_imm12:$ptr, GPR:$val),
5571 (STRBi12 GPR:$val, addrmode_imm12:$ptr)>;
5572 def : ARMPat<(atomic_store_16 addrmode3:$ptr, GPR:$val),
5573 (STRH GPR:$val, addrmode3:$ptr)>;
5574 def : ARMPat<(atomic_store_32 ldst_so_reg:$ptr, GPR:$val),
5575 (STRrs GPR:$val, ldst_so_reg:$ptr)>;
5576 def : ARMPat<(atomic_store_32 addrmode_imm12:$ptr, GPR:$val),
5577 (STRi12 GPR:$val, addrmode_imm12:$ptr)>;
5580 //===----------------------------------------------------------------------===//
5584 include "ARMInstrThumb.td"
5586 //===----------------------------------------------------------------------===//
5590 include "ARMInstrThumb2.td"
5592 //===----------------------------------------------------------------------===//
5593 // Floating Point Support
5596 include "ARMInstrVFP.td"
5598 //===----------------------------------------------------------------------===//
5599 // Advanced SIMD (NEON) Support
5602 include "ARMInstrNEON.td"
5604 //===----------------------------------------------------------------------===//
5605 // Assembler aliases
5609 def : InstAlias<"dmb", (DMB 0xf), 0>, Requires<[IsARM, HasDB]>;
5610 def : InstAlias<"dsb", (DSB 0xf), 0>, Requires<[IsARM, HasDB]>;
5611 def : InstAlias<"isb", (ISB 0xf), 0>, Requires<[IsARM, HasDB]>;
5613 // System instructions
5614 def : MnemonicAlias<"swi", "svc">;
5616 // Load / Store Multiple
5617 def : MnemonicAlias<"ldmfd", "ldm">;
5618 def : MnemonicAlias<"ldmia", "ldm">;
5619 def : MnemonicAlias<"ldmea", "ldmdb">;
5620 def : MnemonicAlias<"stmfd", "stmdb">;
5621 def : MnemonicAlias<"stmia", "stm">;
5622 def : MnemonicAlias<"stmea", "stm">;
5624 // PKHBT/PKHTB with default shift amount. PKHTB is equivalent to PKHBT with the
5625 // input operands swapped when the shift amount is zero (i.e., unspecified).
5626 def : InstAlias<"pkhbt${p} $Rd, $Rn, $Rm",
5627 (PKHBT GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, 0, pred:$p), 0>,
5628 Requires<[IsARM, HasV6]>;
5629 def : InstAlias<"pkhtb${p} $Rd, $Rn, $Rm",
5630 (PKHBT GPRnopc:$Rd, GPRnopc:$Rm, GPRnopc:$Rn, 0, pred:$p), 0>,
5631 Requires<[IsARM, HasV6]>;
5633 // PUSH/POP aliases for STM/LDM
5634 def : ARMInstAlias<"push${p} $regs", (STMDB_UPD SP, pred:$p, reglist:$regs)>;
5635 def : ARMInstAlias<"pop${p} $regs", (LDMIA_UPD SP, pred:$p, reglist:$regs)>;
5637 // SSAT/USAT optional shift operand.
5638 def : ARMInstAlias<"ssat${p} $Rd, $sat_imm, $Rn",
5639 (SSAT GPRnopc:$Rd, imm1_32:$sat_imm, GPRnopc:$Rn, 0, pred:$p)>;
5640 def : ARMInstAlias<"usat${p} $Rd, $sat_imm, $Rn",
5641 (USAT GPRnopc:$Rd, imm0_31:$sat_imm, GPRnopc:$Rn, 0, pred:$p)>;
5644 // Extend instruction optional rotate operand.
5645 def : ARMInstAlias<"sxtab${p} $Rd, $Rn, $Rm",
5646 (SXTAB GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5647 def : ARMInstAlias<"sxtah${p} $Rd, $Rn, $Rm",
5648 (SXTAH GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5649 def : ARMInstAlias<"sxtab16${p} $Rd, $Rn, $Rm",
5650 (SXTAB16 GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5651 def : ARMInstAlias<"sxtb${p} $Rd, $Rm",
5652 (SXTB GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5653 def : ARMInstAlias<"sxtb16${p} $Rd, $Rm",
5654 (SXTB16 GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5655 def : ARMInstAlias<"sxth${p} $Rd, $Rm",
5656 (SXTH GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5658 def : ARMInstAlias<"uxtab${p} $Rd, $Rn, $Rm",
5659 (UXTAB GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5660 def : ARMInstAlias<"uxtah${p} $Rd, $Rn, $Rm",
5661 (UXTAH GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5662 def : ARMInstAlias<"uxtab16${p} $Rd, $Rn, $Rm",
5663 (UXTAB16 GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5664 def : ARMInstAlias<"uxtb${p} $Rd, $Rm",
5665 (UXTB GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5666 def : ARMInstAlias<"uxtb16${p} $Rd, $Rm",
5667 (UXTB16 GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5668 def : ARMInstAlias<"uxth${p} $Rd, $Rm",
5669 (UXTH GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5673 def : MnemonicAlias<"rfefa", "rfeda">;
5674 def : MnemonicAlias<"rfeea", "rfedb">;
5675 def : MnemonicAlias<"rfefd", "rfeia">;
5676 def : MnemonicAlias<"rfeed", "rfeib">;
5677 def : MnemonicAlias<"rfe", "rfeia">;
5680 def : MnemonicAlias<"srsfa", "srsib">;
5681 def : MnemonicAlias<"srsea", "srsia">;
5682 def : MnemonicAlias<"srsfd", "srsdb">;
5683 def : MnemonicAlias<"srsed", "srsda">;
5684 def : MnemonicAlias<"srs", "srsia">;
5687 def : MnemonicAlias<"qsubaddx", "qsax">;
5689 def : MnemonicAlias<"saddsubx", "sasx">;
5690 // SHASX == SHADDSUBX
5691 def : MnemonicAlias<"shaddsubx", "shasx">;
5692 // SHSAX == SHSUBADDX
5693 def : MnemonicAlias<"shsubaddx", "shsax">;
5695 def : MnemonicAlias<"ssubaddx", "ssax">;
5697 def : MnemonicAlias<"uaddsubx", "uasx">;
5698 // UHASX == UHADDSUBX
5699 def : MnemonicAlias<"uhaddsubx", "uhasx">;
5700 // UHSAX == UHSUBADDX
5701 def : MnemonicAlias<"uhsubaddx", "uhsax">;
5702 // UQASX == UQADDSUBX
5703 def : MnemonicAlias<"uqaddsubx", "uqasx">;
5704 // UQSAX == UQSUBADDX
5705 def : MnemonicAlias<"uqsubaddx", "uqsax">;
5707 def : MnemonicAlias<"usubaddx", "usax">;
5709 // "mov Rd, mod_imm_not" can be handled via "mvn" in assembly, just like
5711 def : ARMInstAlias<"mov${s}${p} $Rd, $imm",
5712 (MVNi rGPR:$Rd, mod_imm_not:$imm, pred:$p, cc_out:$s)>;
5713 def : ARMInstAlias<"mvn${s}${p} $Rd, $imm",
5714 (MOVi rGPR:$Rd, mod_imm_not:$imm, pred:$p, cc_out:$s)>;
5715 // Same for AND <--> BIC
5716 def : ARMInstAlias<"bic${s}${p} $Rd, $Rn, $imm",
5717 (ANDri GPR:$Rd, GPR:$Rn, mod_imm_not:$imm,
5718 pred:$p, cc_out:$s)>;
5719 def : ARMInstAlias<"bic${s}${p} $Rdn, $imm",
5720 (ANDri GPR:$Rdn, GPR:$Rdn, mod_imm_not:$imm,
5721 pred:$p, cc_out:$s)>;
5722 def : ARMInstAlias<"and${s}${p} $Rd, $Rn, $imm",
5723 (BICri GPR:$Rd, GPR:$Rn, mod_imm_not:$imm,
5724 pred:$p, cc_out:$s)>;
5725 def : ARMInstAlias<"and${s}${p} $Rdn, $imm",
5726 (BICri GPR:$Rdn, GPR:$Rdn, mod_imm_not:$imm,
5727 pred:$p, cc_out:$s)>;
5729 // Likewise, "add Rd, mod_imm_neg" -> sub
5730 def : ARMInstAlias<"add${s}${p} $Rd, $Rn, $imm",
5731 (SUBri GPR:$Rd, GPR:$Rn, mod_imm_neg:$imm, pred:$p, cc_out:$s)>;
5732 def : ARMInstAlias<"add${s}${p} $Rd, $imm",
5733 (SUBri GPR:$Rd, GPR:$Rd, mod_imm_neg:$imm, pred:$p, cc_out:$s)>;
5734 // Same for CMP <--> CMN via mod_imm_neg
5735 def : ARMInstAlias<"cmp${p} $Rd, $imm",
5736 (CMNri rGPR:$Rd, mod_imm_neg:$imm, pred:$p)>;
5737 def : ARMInstAlias<"cmn${p} $Rd, $imm",
5738 (CMPri rGPR:$Rd, mod_imm_neg:$imm, pred:$p)>;
5740 // The shifter forms of the MOV instruction are aliased to the ASR, LSL,
5741 // LSR, ROR, and RRX instructions.
5742 // FIXME: We need C++ parser hooks to map the alias to the MOV
5743 // encoding. It seems we should be able to do that sort of thing
5744 // in tblgen, but it could get ugly.
5745 let TwoOperandAliasConstraint = "$Rm = $Rd" in {
5746 def ASRi : ARMAsmPseudo<"asr${s}${p} $Rd, $Rm, $imm",
5747 (ins GPR:$Rd, GPR:$Rm, imm0_32:$imm, pred:$p,
5749 def LSRi : ARMAsmPseudo<"lsr${s}${p} $Rd, $Rm, $imm",
5750 (ins GPR:$Rd, GPR:$Rm, imm0_32:$imm, pred:$p,
5752 def LSLi : ARMAsmPseudo<"lsl${s}${p} $Rd, $Rm, $imm",
5753 (ins GPR:$Rd, GPR:$Rm, imm0_31:$imm, pred:$p,
5755 def RORi : ARMAsmPseudo<"ror${s}${p} $Rd, $Rm, $imm",
5756 (ins GPR:$Rd, GPR:$Rm, imm0_31:$imm, pred:$p,
5759 def RRXi : ARMAsmPseudo<"rrx${s}${p} $Rd, $Rm",
5760 (ins GPR:$Rd, GPR:$Rm, pred:$p, cc_out:$s)>;
5761 let TwoOperandAliasConstraint = "$Rn = $Rd" in {
5762 def ASRr : ARMAsmPseudo<"asr${s}${p} $Rd, $Rn, $Rm",
5763 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5765 def LSRr : ARMAsmPseudo<"lsr${s}${p} $Rd, $Rn, $Rm",
5766 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5768 def LSLr : ARMAsmPseudo<"lsl${s}${p} $Rd, $Rn, $Rm",
5769 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5771 def RORr : ARMAsmPseudo<"ror${s}${p} $Rd, $Rn, $Rm",
5772 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5776 // "neg" is and alias for "rsb rd, rn, #0"
5777 def : ARMInstAlias<"neg${s}${p} $Rd, $Rm",
5778 (RSBri GPR:$Rd, GPR:$Rm, 0, pred:$p, cc_out:$s)>;
5780 // Pre-v6, 'mov r0, r0' was used as a NOP encoding.
5781 def : InstAlias<"nop${p}", (MOVr R0, R0, pred:$p, zero_reg)>,
5782 Requires<[IsARM, NoV6]>;
5784 // MUL/UMLAL/SMLAL/UMULL/SMULL are available on all arches, but
5785 // the instruction definitions need difference constraints pre-v6.
5786 // Use these aliases for the assembly parsing on pre-v6.
5787 def : InstAlias<"mul${s}${p} $Rd, $Rn, $Rm",
5788 (MUL GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p, cc_out:$s), 0>,
5789 Requires<[IsARM, NoV6]>;
5790 def : InstAlias<"mla${s}${p} $Rd, $Rn, $Rm, $Ra",
5791 (MLA GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$Ra,
5792 pred:$p, cc_out:$s), 0>,
5793 Requires<[IsARM, NoV6]>;
5794 def : InstAlias<"smlal${s}${p} $RdLo, $RdHi, $Rn, $Rm",
5795 (SMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s), 0>,
5796 Requires<[IsARM, NoV6]>;
5797 def : InstAlias<"umlal${s}${p} $RdLo, $RdHi, $Rn, $Rm",
5798 (UMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s), 0>,
5799 Requires<[IsARM, NoV6]>;
5800 def : InstAlias<"smull${s}${p} $RdLo, $RdHi, $Rn, $Rm",
5801 (SMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s), 0>,
5802 Requires<[IsARM, NoV6]>;
5803 def : InstAlias<"umull${s}${p} $RdLo, $RdHi, $Rn, $Rm",
5804 (UMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s), 0>,
5805 Requires<[IsARM, NoV6]>;
5807 // 'it' blocks in ARM mode just validate the predicates. The IT itself
5809 def ITasm : ARMAsmPseudo<"it$mask $cc", (ins it_pred:$cc, it_mask:$mask)>,
5810 ComplexDeprecationPredicate<"IT">;
5812 let mayLoad = 1, mayStore =1, hasSideEffects = 1 in
5813 def SPACE : PseudoInst<(outs GPR:$Rd), (ins i32imm:$size, GPR:$Rn),
5815 [(set GPR:$Rd, (int_arm_space imm:$size, GPR:$Rn))]>;
5817 //===----------------------------------
5818 // Atomic cmpxchg for -O0
5819 //===----------------------------------
5821 // The fast register allocator used during -O0 inserts spills to cover any VRegs
5822 // live across basic block boundaries. When this happens between an LDXR and an
5823 // STXR it can clear the exclusive monitor, causing all cmpxchg attempts to
5826 // Unfortunately, this means we have to have an alternative (expanded
5827 // post-regalloc) path for -O0 compilations. Fortunately this path can be
5828 // significantly more naive than the standard expansion: we conservatively
5829 // assume seq_cst, strong cmpxchg and omit clrex on failure.
5831 let Constraints = "@earlyclobber $Rd,@earlyclobber $status",
5832 mayLoad = 1, mayStore = 1 in {
5833 def CMP_SWAP_8 : PseudoInst<(outs GPR:$Rd, GPR:$status),
5834 (ins GPR:$addr, GPR:$desired, GPR:$new),
5835 NoItinerary, []>, Sched<[]>;
5837 def CMP_SWAP_16 : PseudoInst<(outs GPR:$Rd, GPR:$status),
5838 (ins GPR:$addr, GPR:$desired, GPR:$new),
5839 NoItinerary, []>, Sched<[]>;
5841 def CMP_SWAP_32 : PseudoInst<(outs GPR:$Rd, GPR:$status),
5842 (ins GPR:$addr, GPR:$desired, GPR:$new),
5843 NoItinerary, []>, Sched<[]>;
5845 def CMP_SWAP_64 : PseudoInst<(outs GPRPair:$Rd, GPR:$status),
5846 (ins GPR:$addr, GPRPair:$desired, GPRPair:$new),
5847 NoItinerary, []>, Sched<[]>;