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> ]>;
22 def SDT_ARMSaveCallPC : SDTypeProfile<0, 1, []>;
24 def SDT_ARMcall : SDTypeProfile<0, -1, [SDTCisPtrTy<0>]>;
26 def SDT_ARMCMov : SDTypeProfile<1, 3,
27 [SDTCisSameAs<0, 1>, SDTCisSameAs<0, 2>,
30 def SDT_ARMBrcond : SDTypeProfile<0, 2,
31 [SDTCisVT<0, OtherVT>, SDTCisVT<1, i32>]>;
33 def SDT_ARMBrJT : SDTypeProfile<0, 3,
34 [SDTCisPtrTy<0>, SDTCisVT<1, i32>,
37 def SDT_ARMBr2JT : SDTypeProfile<0, 4,
38 [SDTCisPtrTy<0>, SDTCisVT<1, i32>,
39 SDTCisVT<2, i32>, SDTCisVT<3, i32>]>;
41 def SDT_ARMBCC_i64 : SDTypeProfile<0, 6,
43 SDTCisVT<1, i32>, SDTCisVT<2, i32>,
44 SDTCisVT<3, i32>, SDTCisVT<4, i32>,
45 SDTCisVT<5, OtherVT>]>;
47 def SDT_ARMAnd : SDTypeProfile<1, 2,
48 [SDTCisVT<0, i32>, SDTCisVT<1, i32>,
51 def SDT_ARMCmp : SDTypeProfile<0, 2, [SDTCisSameAs<0, 1>]>;
53 def SDT_ARMPICAdd : SDTypeProfile<1, 2, [SDTCisSameAs<0, 1>,
54 SDTCisPtrTy<1>, SDTCisVT<2, i32>]>;
56 def SDT_ARMThreadPointer : SDTypeProfile<1, 0, [SDTCisPtrTy<0>]>;
57 def SDT_ARMEH_SJLJ_Setjmp : SDTypeProfile<1, 2, [SDTCisInt<0>, SDTCisPtrTy<1>,
59 def SDT_ARMEH_SJLJ_Longjmp: SDTypeProfile<0, 2, [SDTCisPtrTy<0>, SDTCisInt<1>]>;
61 def SDT_ARMMEMBARRIER : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
63 def SDT_ARMPREFETCH : SDTypeProfile<0, 3, [SDTCisPtrTy<0>, SDTCisSameAs<1, 2>,
66 def SDT_ARMTCRET : SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>;
68 def SDT_ARMBFI : SDTypeProfile<1, 3, [SDTCisVT<0, i32>, SDTCisVT<1, i32>,
69 SDTCisVT<2, i32>, SDTCisVT<3, i32>]>;
71 def SDTBinaryArithWithFlags : SDTypeProfile<2, 2,
74 SDTCisInt<0>, SDTCisVT<1, i32>]>;
76 // SDTBinaryArithWithFlagsInOut - RES1, CPSR = op LHS, RHS, CPSR
77 def SDTBinaryArithWithFlagsInOut : SDTypeProfile<2, 3,
84 def ARMWrapper : SDNode<"ARMISD::Wrapper", SDTIntUnaryOp>;
85 def ARMWrapperDYN : SDNode<"ARMISD::WrapperDYN", SDTIntUnaryOp>;
86 def ARMWrapperPIC : SDNode<"ARMISD::WrapperPIC", SDTIntUnaryOp>;
87 def ARMWrapperJT : SDNode<"ARMISD::WrapperJT", SDTIntBinOp>;
89 def ARMcallseq_start : SDNode<"ISD::CALLSEQ_START", SDT_ARMCallSeqStart,
90 [SDNPHasChain, SDNPOutGlue]>;
91 def ARMcallseq_end : SDNode<"ISD::CALLSEQ_END", SDT_ARMCallSeqEnd,
92 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue]>;
94 def ARMcall : SDNode<"ARMISD::CALL", SDT_ARMcall,
95 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
97 def ARMcall_pred : SDNode<"ARMISD::CALL_PRED", SDT_ARMcall,
98 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
100 def ARMcall_nolink : SDNode<"ARMISD::CALL_NOLINK", SDT_ARMcall,
101 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
104 def ARMretflag : SDNode<"ARMISD::RET_FLAG", SDTNone,
105 [SDNPHasChain, SDNPOptInGlue]>;
107 def ARMcmov : SDNode<"ARMISD::CMOV", SDT_ARMCMov,
110 def ARMbrcond : SDNode<"ARMISD::BRCOND", SDT_ARMBrcond,
111 [SDNPHasChain, SDNPInGlue, SDNPOutGlue]>;
113 def ARMbrjt : SDNode<"ARMISD::BR_JT", SDT_ARMBrJT,
115 def ARMbr2jt : SDNode<"ARMISD::BR2_JT", SDT_ARMBr2JT,
118 def ARMBcci64 : SDNode<"ARMISD::BCC_i64", SDT_ARMBCC_i64,
121 def ARMcmp : SDNode<"ARMISD::CMP", SDT_ARMCmp,
124 def ARMcmpZ : SDNode<"ARMISD::CMPZ", SDT_ARMCmp,
125 [SDNPOutGlue, SDNPCommutative]>;
127 def ARMpic_add : SDNode<"ARMISD::PIC_ADD", SDT_ARMPICAdd>;
129 def ARMsrl_flag : SDNode<"ARMISD::SRL_FLAG", SDTIntUnaryOp, [SDNPOutGlue]>;
130 def ARMsra_flag : SDNode<"ARMISD::SRA_FLAG", SDTIntUnaryOp, [SDNPOutGlue]>;
131 def ARMrrx : SDNode<"ARMISD::RRX" , SDTIntUnaryOp, [SDNPInGlue ]>;
133 def ARMaddc : SDNode<"ARMISD::ADDC", SDTBinaryArithWithFlags,
135 def ARMsubc : SDNode<"ARMISD::SUBC", SDTBinaryArithWithFlags>;
136 def ARMadde : SDNode<"ARMISD::ADDE", SDTBinaryArithWithFlagsInOut>;
137 def ARMsube : SDNode<"ARMISD::SUBE", SDTBinaryArithWithFlagsInOut>;
139 def ARMthread_pointer: SDNode<"ARMISD::THREAD_POINTER", SDT_ARMThreadPointer>;
140 def ARMeh_sjlj_setjmp: SDNode<"ARMISD::EH_SJLJ_SETJMP",
141 SDT_ARMEH_SJLJ_Setjmp, [SDNPHasChain]>;
142 def ARMeh_sjlj_longjmp: SDNode<"ARMISD::EH_SJLJ_LONGJMP",
143 SDT_ARMEH_SJLJ_Longjmp, [SDNPHasChain]>;
145 def ARMMemBarrier : SDNode<"ARMISD::MEMBARRIER", SDT_ARMMEMBARRIER,
147 def ARMMemBarrierMCR : SDNode<"ARMISD::MEMBARRIER_MCR", SDT_ARMMEMBARRIER,
149 def ARMPreload : SDNode<"ARMISD::PRELOAD", SDT_ARMPREFETCH,
150 [SDNPHasChain, SDNPMayLoad, SDNPMayStore]>;
152 def ARMrbit : SDNode<"ARMISD::RBIT", SDTIntUnaryOp>;
154 def ARMtcret : SDNode<"ARMISD::TC_RETURN", SDT_ARMTCRET,
155 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
158 def ARMbfi : SDNode<"ARMISD::BFI", SDT_ARMBFI>;
160 //===----------------------------------------------------------------------===//
161 // ARM Instruction Predicate Definitions.
163 def HasV4T : Predicate<"Subtarget->hasV4TOps()">,
164 AssemblerPredicate<"HasV4TOps">;
165 def NoV4T : Predicate<"!Subtarget->hasV4TOps()">;
166 def HasV5T : Predicate<"Subtarget->hasV5TOps()">;
167 def HasV5TE : Predicate<"Subtarget->hasV5TEOps()">,
168 AssemblerPredicate<"HasV5TEOps">;
169 def HasV6 : Predicate<"Subtarget->hasV6Ops()">,
170 AssemblerPredicate<"HasV6Ops">;
171 def NoV6 : Predicate<"!Subtarget->hasV6Ops()">;
172 def HasV6T2 : Predicate<"Subtarget->hasV6T2Ops()">,
173 AssemblerPredicate<"HasV6T2Ops">;
174 def NoV6T2 : Predicate<"!Subtarget->hasV6T2Ops()">;
175 def HasV7 : Predicate<"Subtarget->hasV7Ops()">,
176 AssemblerPredicate<"HasV7Ops">;
177 def NoVFP : Predicate<"!Subtarget->hasVFP2()">;
178 def HasVFP2 : Predicate<"Subtarget->hasVFP2()">,
179 AssemblerPredicate<"FeatureVFP2">;
180 def HasVFP3 : Predicate<"Subtarget->hasVFP3()">,
181 AssemblerPredicate<"FeatureVFP3">;
182 def HasVFP4 : Predicate<"Subtarget->hasVFP4()">,
183 AssemblerPredicate<"FeatureVFP4">;
184 def NoVFP4 : Predicate<"!Subtarget->hasVFP4()">;
185 def HasNEON : Predicate<"Subtarget->hasNEON()">,
186 AssemblerPredicate<"FeatureNEON">;
187 def HasNEONVFP4 : Predicate<"Subtarget->hasNEONVFP4()">,
188 AssemblerPredicate<"FeatureNEONVFP4">;
189 def NoNEONVFP4 : Predicate<"!Subtarget->hasNEONVFP4()">;
190 def HasFP16 : Predicate<"Subtarget->hasFP16()">,
191 AssemblerPredicate<"FeatureFP16">;
192 def HasDivide : Predicate<"Subtarget->hasDivide()">,
193 AssemblerPredicate<"FeatureHWDiv">;
194 def HasT2ExtractPack : Predicate<"Subtarget->hasT2ExtractPack()">,
195 AssemblerPredicate<"FeatureT2XtPk">;
196 def HasThumb2DSP : Predicate<"Subtarget->hasThumb2DSP()">,
197 AssemblerPredicate<"FeatureDSPThumb2">;
198 def HasDB : Predicate<"Subtarget->hasDataBarrier()">,
199 AssemblerPredicate<"FeatureDB">;
200 def HasMP : Predicate<"Subtarget->hasMPExtension()">,
201 AssemblerPredicate<"FeatureMP">;
202 def UseNEONForFP : Predicate<"Subtarget->useNEONForSinglePrecisionFP()">;
203 def DontUseNEONForFP : Predicate<"!Subtarget->useNEONForSinglePrecisionFP()">;
204 def IsThumb : Predicate<"Subtarget->isThumb()">,
205 AssemblerPredicate<"ModeThumb">;
206 def IsThumb1Only : Predicate<"Subtarget->isThumb1Only()">;
207 def IsThumb2 : Predicate<"Subtarget->isThumb2()">,
208 AssemblerPredicate<"ModeThumb,FeatureThumb2">;
209 def IsMClass : Predicate<"Subtarget->isMClass()">,
210 AssemblerPredicate<"FeatureMClass">;
211 def IsARClass : Predicate<"!Subtarget->isMClass()">,
212 AssemblerPredicate<"!FeatureMClass">;
213 def IsARM : Predicate<"!Subtarget->isThumb()">,
214 AssemblerPredicate<"!ModeThumb">;
215 def IsIOS : Predicate<"Subtarget->isTargetIOS()">;
216 def IsNotIOS : Predicate<"!Subtarget->isTargetIOS()">;
217 def IsNaCl : Predicate<"Subtarget->isTargetNaCl()">;
219 // FIXME: Eventually this will be just "hasV6T2Ops".
220 def UseMovt : Predicate<"Subtarget->useMovt()">;
221 def DontUseMovt : Predicate<"!Subtarget->useMovt()">;
222 def UseFPVMLx : Predicate<"Subtarget->useFPVMLx()">;
224 //===----------------------------------------------------------------------===//
225 // ARM Flag Definitions.
227 class RegConstraint<string C> {
228 string Constraints = C;
231 //===----------------------------------------------------------------------===//
232 // ARM specific transformation functions and pattern fragments.
235 // so_imm_neg_XFORM - Return a so_imm value packed into the format described for
236 // so_imm_neg def below.
237 def so_imm_neg_XFORM : SDNodeXForm<imm, [{
238 return CurDAG->getTargetConstant(-(int)N->getZExtValue(), MVT::i32);
241 // so_imm_not_XFORM - Return a so_imm value packed into the format described for
242 // so_imm_not def below.
243 def so_imm_not_XFORM : SDNodeXForm<imm, [{
244 return CurDAG->getTargetConstant(~(int)N->getZExtValue(), MVT::i32);
247 /// imm16_31 predicate - True if the 32-bit immediate is in the range [16,31].
248 def imm16_31 : ImmLeaf<i32, [{
249 return (int32_t)Imm >= 16 && (int32_t)Imm < 32;
252 def so_imm_neg_asmoperand : AsmOperandClass { let Name = "ARMSOImmNeg"; }
253 def so_imm_neg : Operand<i32>, PatLeaf<(imm), [{
254 return ARM_AM::getSOImmVal(-(uint32_t)N->getZExtValue()) != -1;
255 }], so_imm_neg_XFORM> {
256 let ParserMatchClass = so_imm_neg_asmoperand;
259 // Note: this pattern doesn't require an encoder method and such, as it's
260 // only used on aliases (Pat<> and InstAlias<>). The actual encoding
261 // is handled by the destination instructions, which use so_imm.
262 def so_imm_not_asmoperand : AsmOperandClass { let Name = "ARMSOImmNot"; }
263 def so_imm_not : Operand<i32>, PatLeaf<(imm), [{
264 return ARM_AM::getSOImmVal(~(uint32_t)N->getZExtValue()) != -1;
265 }], so_imm_not_XFORM> {
266 let ParserMatchClass = so_imm_not_asmoperand;
269 // sext_16_node predicate - True if the SDNode is sign-extended 16 or more bits.
270 def sext_16_node : PatLeaf<(i32 GPR:$a), [{
271 return CurDAG->ComputeNumSignBits(SDValue(N,0)) >= 17;
274 /// Split a 32-bit immediate into two 16 bit parts.
275 def hi16 : SDNodeXForm<imm, [{
276 return CurDAG->getTargetConstant((uint32_t)N->getZExtValue() >> 16, MVT::i32);
279 def lo16AllZero : PatLeaf<(i32 imm), [{
280 // Returns true if all low 16-bits are 0.
281 return (((uint32_t)N->getZExtValue()) & 0xFFFFUL) == 0;
284 class BinOpWithFlagFrag<dag res> :
285 PatFrag<(ops node:$LHS, node:$RHS, node:$FLAG), res>;
286 class BinOpFrag<dag res> : PatFrag<(ops node:$LHS, node:$RHS), res>;
287 class UnOpFrag <dag res> : PatFrag<(ops node:$Src), res>;
289 // An 'and' node with a single use.
290 def and_su : PatFrag<(ops node:$lhs, node:$rhs), (and node:$lhs, node:$rhs), [{
291 return N->hasOneUse();
294 // An 'xor' node with a single use.
295 def xor_su : PatFrag<(ops node:$lhs, node:$rhs), (xor node:$lhs, node:$rhs), [{
296 return N->hasOneUse();
299 // An 'fmul' node with a single use.
300 def fmul_su : PatFrag<(ops node:$lhs, node:$rhs), (fmul node:$lhs, node:$rhs),[{
301 return N->hasOneUse();
304 // An 'fadd' node which checks for single non-hazardous use.
305 def fadd_mlx : PatFrag<(ops node:$lhs, node:$rhs),(fadd node:$lhs, node:$rhs),[{
306 return hasNoVMLxHazardUse(N);
309 // An 'fsub' node which checks for single non-hazardous use.
310 def fsub_mlx : PatFrag<(ops node:$lhs, node:$rhs),(fsub node:$lhs, node:$rhs),[{
311 return hasNoVMLxHazardUse(N);
314 //===----------------------------------------------------------------------===//
315 // Operand Definitions.
318 // Immediate operands with a shared generic asm render method.
319 class ImmAsmOperand : AsmOperandClass { let RenderMethod = "addImmOperands"; }
322 // FIXME: rename brtarget to t2_brtarget
323 def brtarget : Operand<OtherVT> {
324 let EncoderMethod = "getBranchTargetOpValue";
325 let OperandType = "OPERAND_PCREL";
326 let DecoderMethod = "DecodeT2BROperand";
329 // FIXME: get rid of this one?
330 def uncondbrtarget : Operand<OtherVT> {
331 let EncoderMethod = "getUnconditionalBranchTargetOpValue";
332 let OperandType = "OPERAND_PCREL";
335 // Branch target for ARM. Handles conditional/unconditional
336 def br_target : Operand<OtherVT> {
337 let EncoderMethod = "getARMBranchTargetOpValue";
338 let OperandType = "OPERAND_PCREL";
342 // FIXME: rename bltarget to t2_bl_target?
343 def bltarget : Operand<i32> {
344 // Encoded the same as branch targets.
345 let EncoderMethod = "getBranchTargetOpValue";
346 let OperandType = "OPERAND_PCREL";
349 // Call target for ARM. Handles conditional/unconditional
350 // FIXME: rename bl_target to t2_bltarget?
351 def bl_target : Operand<i32> {
352 // Encoded the same as branch targets.
353 let EncoderMethod = "getARMBranchTargetOpValue";
354 let OperandType = "OPERAND_PCREL";
357 def blx_target : Operand<i32> {
358 // Encoded the same as branch targets.
359 let EncoderMethod = "getARMBLXTargetOpValue";
360 let OperandType = "OPERAND_PCREL";
363 // A list of registers separated by comma. Used by load/store multiple.
364 def RegListAsmOperand : AsmOperandClass { let Name = "RegList"; }
365 def reglist : Operand<i32> {
366 let EncoderMethod = "getRegisterListOpValue";
367 let ParserMatchClass = RegListAsmOperand;
368 let PrintMethod = "printRegisterList";
369 let DecoderMethod = "DecodeRegListOperand";
372 def DPRRegListAsmOperand : AsmOperandClass { let Name = "DPRRegList"; }
373 def dpr_reglist : Operand<i32> {
374 let EncoderMethod = "getRegisterListOpValue";
375 let ParserMatchClass = DPRRegListAsmOperand;
376 let PrintMethod = "printRegisterList";
377 let DecoderMethod = "DecodeDPRRegListOperand";
380 def SPRRegListAsmOperand : AsmOperandClass { let Name = "SPRRegList"; }
381 def spr_reglist : Operand<i32> {
382 let EncoderMethod = "getRegisterListOpValue";
383 let ParserMatchClass = SPRRegListAsmOperand;
384 let PrintMethod = "printRegisterList";
385 let DecoderMethod = "DecodeSPRRegListOperand";
388 // An operand for the CONSTPOOL_ENTRY pseudo-instruction.
389 def cpinst_operand : Operand<i32> {
390 let PrintMethod = "printCPInstOperand";
394 def pclabel : Operand<i32> {
395 let PrintMethod = "printPCLabel";
398 // ADR instruction labels.
399 def adrlabel : Operand<i32> {
400 let EncoderMethod = "getAdrLabelOpValue";
403 def neon_vcvt_imm32 : Operand<i32> {
404 let EncoderMethod = "getNEONVcvtImm32OpValue";
405 let DecoderMethod = "DecodeVCVTImmOperand";
408 // rot_imm: An integer that encodes a rotate amount. Must be 8, 16, or 24.
409 def rot_imm_XFORM: SDNodeXForm<imm, [{
410 switch (N->getZExtValue()){
412 case 0: return CurDAG->getTargetConstant(0, MVT::i32);
413 case 8: return CurDAG->getTargetConstant(1, MVT::i32);
414 case 16: return CurDAG->getTargetConstant(2, MVT::i32);
415 case 24: return CurDAG->getTargetConstant(3, MVT::i32);
418 def RotImmAsmOperand : AsmOperandClass {
420 let ParserMethod = "parseRotImm";
422 def rot_imm : Operand<i32>, PatLeaf<(i32 imm), [{
423 int32_t v = N->getZExtValue();
424 return v == 8 || v == 16 || v == 24; }],
426 let PrintMethod = "printRotImmOperand";
427 let ParserMatchClass = RotImmAsmOperand;
430 // shift_imm: An integer that encodes a shift amount and the type of shift
431 // (asr or lsl). The 6-bit immediate encodes as:
434 // {4-0} imm5 shift amount.
435 // asr #32 encoded as imm5 == 0.
436 def ShifterImmAsmOperand : AsmOperandClass {
437 let Name = "ShifterImm";
438 let ParserMethod = "parseShifterImm";
440 def shift_imm : Operand<i32> {
441 let PrintMethod = "printShiftImmOperand";
442 let ParserMatchClass = ShifterImmAsmOperand;
445 // shifter_operand operands: so_reg_reg, so_reg_imm, and so_imm.
446 def ShiftedRegAsmOperand : AsmOperandClass { let Name = "RegShiftedReg"; }
447 def so_reg_reg : Operand<i32>, // reg reg imm
448 ComplexPattern<i32, 3, "SelectRegShifterOperand",
449 [shl, srl, sra, rotr]> {
450 let EncoderMethod = "getSORegRegOpValue";
451 let PrintMethod = "printSORegRegOperand";
452 let DecoderMethod = "DecodeSORegRegOperand";
453 let ParserMatchClass = ShiftedRegAsmOperand;
454 let MIOperandInfo = (ops GPRnopc, GPRnopc, i32imm);
457 def ShiftedImmAsmOperand : AsmOperandClass { let Name = "RegShiftedImm"; }
458 def so_reg_imm : Operand<i32>, // reg imm
459 ComplexPattern<i32, 2, "SelectImmShifterOperand",
460 [shl, srl, sra, rotr]> {
461 let EncoderMethod = "getSORegImmOpValue";
462 let PrintMethod = "printSORegImmOperand";
463 let DecoderMethod = "DecodeSORegImmOperand";
464 let ParserMatchClass = ShiftedImmAsmOperand;
465 let MIOperandInfo = (ops GPR, i32imm);
468 // FIXME: Does this need to be distinct from so_reg?
469 def shift_so_reg_reg : Operand<i32>, // reg reg imm
470 ComplexPattern<i32, 3, "SelectShiftRegShifterOperand",
471 [shl,srl,sra,rotr]> {
472 let EncoderMethod = "getSORegRegOpValue";
473 let PrintMethod = "printSORegRegOperand";
474 let DecoderMethod = "DecodeSORegRegOperand";
475 let ParserMatchClass = ShiftedRegAsmOperand;
476 let MIOperandInfo = (ops GPR, GPR, i32imm);
479 // FIXME: Does this need to be distinct from so_reg?
480 def shift_so_reg_imm : Operand<i32>, // reg reg imm
481 ComplexPattern<i32, 2, "SelectShiftImmShifterOperand",
482 [shl,srl,sra,rotr]> {
483 let EncoderMethod = "getSORegImmOpValue";
484 let PrintMethod = "printSORegImmOperand";
485 let DecoderMethod = "DecodeSORegImmOperand";
486 let ParserMatchClass = ShiftedImmAsmOperand;
487 let MIOperandInfo = (ops GPR, i32imm);
491 // so_imm - Match a 32-bit shifter_operand immediate operand, which is an
492 // 8-bit immediate rotated by an arbitrary number of bits.
493 def SOImmAsmOperand: ImmAsmOperand { let Name = "ARMSOImm"; }
494 def so_imm : Operand<i32>, ImmLeaf<i32, [{
495 return ARM_AM::getSOImmVal(Imm) != -1;
497 let EncoderMethod = "getSOImmOpValue";
498 let ParserMatchClass = SOImmAsmOperand;
499 let DecoderMethod = "DecodeSOImmOperand";
502 // Break so_imm's up into two pieces. This handles immediates with up to 16
503 // bits set in them. This uses so_imm2part to match and so_imm2part_[12] to
504 // get the first/second pieces.
505 def so_imm2part : PatLeaf<(imm), [{
506 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
509 /// arm_i32imm - True for +V6T2, or true only if so_imm2part is true.
511 def arm_i32imm : PatLeaf<(imm), [{
512 if (Subtarget->hasV6T2Ops())
514 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
517 /// imm0_1 predicate - Immediate in the range [0,1].
518 def Imm0_1AsmOperand: ImmAsmOperand { let Name = "Imm0_1"; }
519 def imm0_1 : Operand<i32> { let ParserMatchClass = Imm0_1AsmOperand; }
521 /// imm0_3 predicate - Immediate in the range [0,3].
522 def Imm0_3AsmOperand: ImmAsmOperand { let Name = "Imm0_3"; }
523 def imm0_3 : Operand<i32> { let ParserMatchClass = Imm0_3AsmOperand; }
525 /// imm0_7 predicate - Immediate in the range [0,7].
526 def Imm0_7AsmOperand: ImmAsmOperand { let Name = "Imm0_7"; }
527 def imm0_7 : Operand<i32>, ImmLeaf<i32, [{
528 return Imm >= 0 && Imm < 8;
530 let ParserMatchClass = Imm0_7AsmOperand;
533 /// imm8 predicate - Immediate is exactly 8.
534 def Imm8AsmOperand: ImmAsmOperand { let Name = "Imm8"; }
535 def imm8 : Operand<i32>, ImmLeaf<i32, [{ return Imm == 8; }]> {
536 let ParserMatchClass = Imm8AsmOperand;
539 /// imm16 predicate - Immediate is exactly 16.
540 def Imm16AsmOperand: ImmAsmOperand { let Name = "Imm16"; }
541 def imm16 : Operand<i32>, ImmLeaf<i32, [{ return Imm == 16; }]> {
542 let ParserMatchClass = Imm16AsmOperand;
545 /// imm32 predicate - Immediate is exactly 32.
546 def Imm32AsmOperand: ImmAsmOperand { let Name = "Imm32"; }
547 def imm32 : Operand<i32>, ImmLeaf<i32, [{ return Imm == 32; }]> {
548 let ParserMatchClass = Imm32AsmOperand;
551 /// imm1_7 predicate - Immediate in the range [1,7].
552 def Imm1_7AsmOperand: ImmAsmOperand { let Name = "Imm1_7"; }
553 def imm1_7 : Operand<i32>, ImmLeaf<i32, [{ return Imm > 0 && Imm < 8; }]> {
554 let ParserMatchClass = Imm1_7AsmOperand;
557 /// imm1_15 predicate - Immediate in the range [1,15].
558 def Imm1_15AsmOperand: ImmAsmOperand { let Name = "Imm1_15"; }
559 def imm1_15 : Operand<i32>, ImmLeaf<i32, [{ return Imm > 0 && Imm < 16; }]> {
560 let ParserMatchClass = Imm1_15AsmOperand;
563 /// imm1_31 predicate - Immediate in the range [1,31].
564 def Imm1_31AsmOperand: ImmAsmOperand { let Name = "Imm1_31"; }
565 def imm1_31 : Operand<i32>, ImmLeaf<i32, [{ return Imm > 0 && Imm < 32; }]> {
566 let ParserMatchClass = Imm1_31AsmOperand;
569 /// imm0_15 predicate - Immediate in the range [0,15].
570 def Imm0_15AsmOperand: ImmAsmOperand { let Name = "Imm0_15"; }
571 def imm0_15 : Operand<i32>, ImmLeaf<i32, [{
572 return Imm >= 0 && Imm < 16;
574 let ParserMatchClass = Imm0_15AsmOperand;
577 /// imm0_31 predicate - True if the 32-bit immediate is in the range [0,31].
578 def Imm0_31AsmOperand: ImmAsmOperand { let Name = "Imm0_31"; }
579 def imm0_31 : Operand<i32>, ImmLeaf<i32, [{
580 return Imm >= 0 && Imm < 32;
582 let ParserMatchClass = Imm0_31AsmOperand;
585 /// imm0_32 predicate - True if the 32-bit immediate is in the range [0,32].
586 def Imm0_32AsmOperand: ImmAsmOperand { let Name = "Imm0_32"; }
587 def imm0_32 : Operand<i32>, ImmLeaf<i32, [{
588 return Imm >= 0 && Imm < 32;
590 let ParserMatchClass = Imm0_32AsmOperand;
593 /// imm0_63 predicate - True if the 32-bit immediate is in the range [0,63].
594 def Imm0_63AsmOperand: ImmAsmOperand { let Name = "Imm0_63"; }
595 def imm0_63 : Operand<i32>, ImmLeaf<i32, [{
596 return Imm >= 0 && Imm < 64;
598 let ParserMatchClass = Imm0_63AsmOperand;
601 /// imm0_255 predicate - Immediate in the range [0,255].
602 def Imm0_255AsmOperand : ImmAsmOperand { let Name = "Imm0_255"; }
603 def imm0_255 : Operand<i32>, ImmLeaf<i32, [{ return Imm >= 0 && Imm < 256; }]> {
604 let ParserMatchClass = Imm0_255AsmOperand;
607 /// imm0_65535 - An immediate is in the range [0.65535].
608 def Imm0_65535AsmOperand: ImmAsmOperand { let Name = "Imm0_65535"; }
609 def imm0_65535 : Operand<i32>, ImmLeaf<i32, [{
610 return Imm >= 0 && Imm < 65536;
612 let ParserMatchClass = Imm0_65535AsmOperand;
615 // imm0_65535_expr - For movt/movw - 16-bit immediate that can also reference
616 // a relocatable expression.
618 // FIXME: This really needs a Thumb version separate from the ARM version.
619 // While the range is the same, and can thus use the same match class,
620 // the encoding is different so it should have a different encoder method.
621 def Imm0_65535ExprAsmOperand: ImmAsmOperand { let Name = "Imm0_65535Expr"; }
622 def imm0_65535_expr : Operand<i32> {
623 let EncoderMethod = "getHiLo16ImmOpValue";
624 let ParserMatchClass = Imm0_65535ExprAsmOperand;
627 /// imm24b - True if the 32-bit immediate is encodable in 24 bits.
628 def Imm24bitAsmOperand: ImmAsmOperand { let Name = "Imm24bit"; }
629 def imm24b : Operand<i32>, ImmLeaf<i32, [{
630 return Imm >= 0 && Imm <= 0xffffff;
632 let ParserMatchClass = Imm24bitAsmOperand;
636 /// bf_inv_mask_imm predicate - An AND mask to clear an arbitrary width bitfield
638 def BitfieldAsmOperand : AsmOperandClass {
639 let Name = "Bitfield";
640 let ParserMethod = "parseBitfield";
642 def bf_inv_mask_imm : Operand<i32>,
644 return ARM::isBitFieldInvertedMask(N->getZExtValue());
646 let EncoderMethod = "getBitfieldInvertedMaskOpValue";
647 let PrintMethod = "printBitfieldInvMaskImmOperand";
648 let DecoderMethod = "DecodeBitfieldMaskOperand";
649 let ParserMatchClass = BitfieldAsmOperand;
652 def imm1_32_XFORM: SDNodeXForm<imm, [{
653 return CurDAG->getTargetConstant((int)N->getZExtValue() - 1, MVT::i32);
655 def Imm1_32AsmOperand: AsmOperandClass { let Name = "Imm1_32"; }
656 def imm1_32 : Operand<i32>, PatLeaf<(imm), [{
657 uint64_t Imm = N->getZExtValue();
658 return Imm > 0 && Imm <= 32;
661 let PrintMethod = "printImmPlusOneOperand";
662 let ParserMatchClass = Imm1_32AsmOperand;
665 def imm1_16_XFORM: SDNodeXForm<imm, [{
666 return CurDAG->getTargetConstant((int)N->getZExtValue() - 1, MVT::i32);
668 def Imm1_16AsmOperand: AsmOperandClass { let Name = "Imm1_16"; }
669 def imm1_16 : Operand<i32>, PatLeaf<(imm), [{ return Imm > 0 && Imm <= 16; }],
671 let PrintMethod = "printImmPlusOneOperand";
672 let ParserMatchClass = Imm1_16AsmOperand;
675 // Define ARM specific addressing modes.
676 // addrmode_imm12 := reg +/- imm12
678 def MemImm12OffsetAsmOperand : AsmOperandClass { let Name = "MemImm12Offset"; }
679 def addrmode_imm12 : Operand<i32>,
680 ComplexPattern<i32, 2, "SelectAddrModeImm12", []> {
681 // 12-bit immediate operand. Note that instructions using this encode
682 // #0 and #-0 differently. We flag #-0 as the magic value INT32_MIN. All other
683 // immediate values are as normal.
685 let EncoderMethod = "getAddrModeImm12OpValue";
686 let PrintMethod = "printAddrModeImm12Operand";
687 let DecoderMethod = "DecodeAddrModeImm12Operand";
688 let ParserMatchClass = MemImm12OffsetAsmOperand;
689 let MIOperandInfo = (ops GPR:$base, i32imm:$offsimm);
691 // ldst_so_reg := reg +/- reg shop imm
693 def MemRegOffsetAsmOperand : AsmOperandClass { let Name = "MemRegOffset"; }
694 def ldst_so_reg : Operand<i32>,
695 ComplexPattern<i32, 3, "SelectLdStSOReg", []> {
696 let EncoderMethod = "getLdStSORegOpValue";
697 // FIXME: Simplify the printer
698 let PrintMethod = "printAddrMode2Operand";
699 let DecoderMethod = "DecodeSORegMemOperand";
700 let ParserMatchClass = MemRegOffsetAsmOperand;
701 let MIOperandInfo = (ops GPR:$base, GPRnopc:$offsreg, i32imm:$shift);
704 // postidx_imm8 := +/- [0,255]
707 // {8} 1 is imm8 is non-negative. 0 otherwise.
708 // {7-0} [0,255] imm8 value.
709 def PostIdxImm8AsmOperand : AsmOperandClass { let Name = "PostIdxImm8"; }
710 def postidx_imm8 : Operand<i32> {
711 let PrintMethod = "printPostIdxImm8Operand";
712 let ParserMatchClass = PostIdxImm8AsmOperand;
713 let MIOperandInfo = (ops i32imm);
716 // postidx_imm8s4 := +/- [0,1020]
719 // {8} 1 is imm8 is non-negative. 0 otherwise.
720 // {7-0} [0,255] imm8 value, scaled by 4.
721 def PostIdxImm8s4AsmOperand : AsmOperandClass { let Name = "PostIdxImm8s4"; }
722 def postidx_imm8s4 : Operand<i32> {
723 let PrintMethod = "printPostIdxImm8s4Operand";
724 let ParserMatchClass = PostIdxImm8s4AsmOperand;
725 let MIOperandInfo = (ops i32imm);
729 // postidx_reg := +/- reg
731 def PostIdxRegAsmOperand : AsmOperandClass {
732 let Name = "PostIdxReg";
733 let ParserMethod = "parsePostIdxReg";
735 def postidx_reg : Operand<i32> {
736 let EncoderMethod = "getPostIdxRegOpValue";
737 let DecoderMethod = "DecodePostIdxReg";
738 let PrintMethod = "printPostIdxRegOperand";
739 let ParserMatchClass = PostIdxRegAsmOperand;
740 let MIOperandInfo = (ops GPR, i32imm);
744 // addrmode2 := reg +/- imm12
745 // := reg +/- reg shop imm
747 // FIXME: addrmode2 should be refactored the rest of the way to always
748 // use explicit imm vs. reg versions above (addrmode_imm12 and ldst_so_reg).
749 def AddrMode2AsmOperand : AsmOperandClass { let Name = "AddrMode2"; }
750 def addrmode2 : Operand<i32>,
751 ComplexPattern<i32, 3, "SelectAddrMode2", []> {
752 let EncoderMethod = "getAddrMode2OpValue";
753 let PrintMethod = "printAddrMode2Operand";
754 let ParserMatchClass = AddrMode2AsmOperand;
755 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
758 def PostIdxRegShiftedAsmOperand : AsmOperandClass {
759 let Name = "PostIdxRegShifted";
760 let ParserMethod = "parsePostIdxReg";
762 def am2offset_reg : Operand<i32>,
763 ComplexPattern<i32, 2, "SelectAddrMode2OffsetReg",
764 [], [SDNPWantRoot]> {
765 let EncoderMethod = "getAddrMode2OffsetOpValue";
766 let PrintMethod = "printAddrMode2OffsetOperand";
767 // When using this for assembly, it's always as a post-index offset.
768 let ParserMatchClass = PostIdxRegShiftedAsmOperand;
769 let MIOperandInfo = (ops GPRnopc, i32imm);
772 // FIXME: am2offset_imm should only need the immediate, not the GPR. Having
773 // the GPR is purely vestigal at this point.
774 def AM2OffsetImmAsmOperand : AsmOperandClass { let Name = "AM2OffsetImm"; }
775 def am2offset_imm : Operand<i32>,
776 ComplexPattern<i32, 2, "SelectAddrMode2OffsetImm",
777 [], [SDNPWantRoot]> {
778 let EncoderMethod = "getAddrMode2OffsetOpValue";
779 let PrintMethod = "printAddrMode2OffsetOperand";
780 let ParserMatchClass = AM2OffsetImmAsmOperand;
781 let MIOperandInfo = (ops GPRnopc, i32imm);
785 // addrmode3 := reg +/- reg
786 // addrmode3 := reg +/- imm8
788 // FIXME: split into imm vs. reg versions.
789 def AddrMode3AsmOperand : AsmOperandClass { let Name = "AddrMode3"; }
790 def addrmode3 : Operand<i32>,
791 ComplexPattern<i32, 3, "SelectAddrMode3", []> {
792 let EncoderMethod = "getAddrMode3OpValue";
793 let PrintMethod = "printAddrMode3Operand";
794 let ParserMatchClass = AddrMode3AsmOperand;
795 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
798 // FIXME: split into imm vs. reg versions.
799 // FIXME: parser method to handle +/- register.
800 def AM3OffsetAsmOperand : AsmOperandClass {
801 let Name = "AM3Offset";
802 let ParserMethod = "parseAM3Offset";
804 def am3offset : Operand<i32>,
805 ComplexPattern<i32, 2, "SelectAddrMode3Offset",
806 [], [SDNPWantRoot]> {
807 let EncoderMethod = "getAddrMode3OffsetOpValue";
808 let PrintMethod = "printAddrMode3OffsetOperand";
809 let ParserMatchClass = AM3OffsetAsmOperand;
810 let MIOperandInfo = (ops GPR, i32imm);
813 // ldstm_mode := {ia, ib, da, db}
815 def ldstm_mode : OptionalDefOperand<OtherVT, (ops i32), (ops (i32 1))> {
816 let EncoderMethod = "getLdStmModeOpValue";
817 let PrintMethod = "printLdStmModeOperand";
820 // addrmode5 := reg +/- imm8*4
822 def AddrMode5AsmOperand : AsmOperandClass { let Name = "AddrMode5"; }
823 def addrmode5 : Operand<i32>,
824 ComplexPattern<i32, 2, "SelectAddrMode5", []> {
825 let PrintMethod = "printAddrMode5Operand";
826 let EncoderMethod = "getAddrMode5OpValue";
827 let DecoderMethod = "DecodeAddrMode5Operand";
828 let ParserMatchClass = AddrMode5AsmOperand;
829 let MIOperandInfo = (ops GPR:$base, i32imm);
832 // addrmode6 := reg with optional alignment
834 def AddrMode6AsmOperand : AsmOperandClass { let Name = "AlignedMemory"; }
835 def addrmode6 : Operand<i32>,
836 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
837 let PrintMethod = "printAddrMode6Operand";
838 let MIOperandInfo = (ops GPR:$addr, i32imm:$align);
839 let EncoderMethod = "getAddrMode6AddressOpValue";
840 let DecoderMethod = "DecodeAddrMode6Operand";
841 let ParserMatchClass = AddrMode6AsmOperand;
844 def am6offset : Operand<i32>,
845 ComplexPattern<i32, 1, "SelectAddrMode6Offset",
846 [], [SDNPWantRoot]> {
847 let PrintMethod = "printAddrMode6OffsetOperand";
848 let MIOperandInfo = (ops GPR);
849 let EncoderMethod = "getAddrMode6OffsetOpValue";
850 let DecoderMethod = "DecodeGPRRegisterClass";
853 // Special version of addrmode6 to handle alignment encoding for VST1/VLD1
854 // (single element from one lane) for size 32.
855 def addrmode6oneL32 : Operand<i32>,
856 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
857 let PrintMethod = "printAddrMode6Operand";
858 let MIOperandInfo = (ops GPR:$addr, i32imm);
859 let EncoderMethod = "getAddrMode6OneLane32AddressOpValue";
862 // Special version of addrmode6 to handle alignment encoding for VLD-dup
863 // instructions, specifically VLD4-dup.
864 def addrmode6dup : Operand<i32>,
865 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
866 let PrintMethod = "printAddrMode6Operand";
867 let MIOperandInfo = (ops GPR:$addr, i32imm);
868 let EncoderMethod = "getAddrMode6DupAddressOpValue";
869 // FIXME: This is close, but not quite right. The alignment specifier is
871 let ParserMatchClass = AddrMode6AsmOperand;
874 // addrmodepc := pc + reg
876 def addrmodepc : Operand<i32>,
877 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
878 let PrintMethod = "printAddrModePCOperand";
879 let MIOperandInfo = (ops GPR, i32imm);
882 // addr_offset_none := reg
884 def MemNoOffsetAsmOperand : AsmOperandClass { let Name = "MemNoOffset"; }
885 def addr_offset_none : Operand<i32>,
886 ComplexPattern<i32, 1, "SelectAddrOffsetNone", []> {
887 let PrintMethod = "printAddrMode7Operand";
888 let DecoderMethod = "DecodeAddrMode7Operand";
889 let ParserMatchClass = MemNoOffsetAsmOperand;
890 let MIOperandInfo = (ops GPR:$base);
893 def nohash_imm : Operand<i32> {
894 let PrintMethod = "printNoHashImmediate";
897 def CoprocNumAsmOperand : AsmOperandClass {
898 let Name = "CoprocNum";
899 let ParserMethod = "parseCoprocNumOperand";
901 def p_imm : Operand<i32> {
902 let PrintMethod = "printPImmediate";
903 let ParserMatchClass = CoprocNumAsmOperand;
904 let DecoderMethod = "DecodeCoprocessor";
907 def CoprocRegAsmOperand : AsmOperandClass {
908 let Name = "CoprocReg";
909 let ParserMethod = "parseCoprocRegOperand";
911 def c_imm : Operand<i32> {
912 let PrintMethod = "printCImmediate";
913 let ParserMatchClass = CoprocRegAsmOperand;
915 def CoprocOptionAsmOperand : AsmOperandClass {
916 let Name = "CoprocOption";
917 let ParserMethod = "parseCoprocOptionOperand";
919 def coproc_option_imm : Operand<i32> {
920 let PrintMethod = "printCoprocOptionImm";
921 let ParserMatchClass = CoprocOptionAsmOperand;
924 //===----------------------------------------------------------------------===//
926 include "ARMInstrFormats.td"
928 //===----------------------------------------------------------------------===//
929 // Multiclass helpers...
932 /// AsI1_bin_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns for a
933 /// binop that produces a value.
934 multiclass AsI1_bin_irs<bits<4> opcod, string opc,
935 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
936 PatFrag opnode, string baseOpc, bit Commutable = 0> {
937 // The register-immediate version is re-materializable. This is useful
938 // in particular for taking the address of a local.
939 let isReMaterializable = 1 in {
940 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
941 iii, opc, "\t$Rd, $Rn, $imm",
942 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]> {
947 let Inst{19-16} = Rn;
948 let Inst{15-12} = Rd;
949 let Inst{11-0} = imm;
952 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
953 iir, opc, "\t$Rd, $Rn, $Rm",
954 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
959 let isCommutable = Commutable;
960 let Inst{19-16} = Rn;
961 let Inst{15-12} = Rd;
962 let Inst{11-4} = 0b00000000;
966 def rsi : AsI1<opcod, (outs GPR:$Rd),
967 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm,
968 iis, opc, "\t$Rd, $Rn, $shift",
969 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_imm:$shift))]> {
974 let Inst{19-16} = Rn;
975 let Inst{15-12} = Rd;
976 let Inst{11-5} = shift{11-5};
978 let Inst{3-0} = shift{3-0};
981 def rsr : AsI1<opcod, (outs GPR:$Rd),
982 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm,
983 iis, opc, "\t$Rd, $Rn, $shift",
984 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_reg:$shift))]> {
989 let Inst{19-16} = Rn;
990 let Inst{15-12} = Rd;
991 let Inst{11-8} = shift{11-8};
993 let Inst{6-5} = shift{6-5};
995 let Inst{3-0} = shift{3-0};
998 // Assembly aliases for optional destination operand when it's the same
999 // as the source operand.
1000 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $imm"),
1001 (!cast<Instruction>(!strconcat(baseOpc, "ri")) GPR:$Rdn, GPR:$Rdn,
1002 so_imm:$imm, pred:$p,
1005 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $Rm"),
1006 (!cast<Instruction>(!strconcat(baseOpc, "rr")) GPR:$Rdn, GPR:$Rdn,
1010 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
1011 (!cast<Instruction>(!strconcat(baseOpc, "rsi")) GPR:$Rdn, GPR:$Rdn,
1012 so_reg_imm:$shift, pred:$p,
1015 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
1016 (!cast<Instruction>(!strconcat(baseOpc, "rsr")) GPR:$Rdn, GPR:$Rdn,
1017 so_reg_reg:$shift, pred:$p,
1023 /// AsI1_rbin_irs - Same as AsI1_bin_irs except the order of operands are
1024 /// reversed. The 'rr' form is only defined for the disassembler; for codegen
1025 /// it is equivalent to the AsI1_bin_irs counterpart.
1026 multiclass AsI1_rbin_irs<bits<4> opcod, string opc,
1027 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
1028 PatFrag opnode, string baseOpc, bit Commutable = 0> {
1029 // The register-immediate version is re-materializable. This is useful
1030 // in particular for taking the address of a local.
1031 let isReMaterializable = 1 in {
1032 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
1033 iii, opc, "\t$Rd, $Rn, $imm",
1034 [(set GPR:$Rd, (opnode so_imm:$imm, GPR:$Rn))]> {
1039 let Inst{19-16} = Rn;
1040 let Inst{15-12} = Rd;
1041 let Inst{11-0} = imm;
1044 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
1045 iir, opc, "\t$Rd, $Rn, $Rm",
1046 [/* pattern left blank */]> {
1050 let Inst{11-4} = 0b00000000;
1053 let Inst{15-12} = Rd;
1054 let Inst{19-16} = Rn;
1057 def rsi : AsI1<opcod, (outs GPR:$Rd),
1058 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm,
1059 iis, opc, "\t$Rd, $Rn, $shift",
1060 [(set GPR:$Rd, (opnode so_reg_imm:$shift, GPR:$Rn))]> {
1065 let Inst{19-16} = Rn;
1066 let Inst{15-12} = Rd;
1067 let Inst{11-5} = shift{11-5};
1069 let Inst{3-0} = shift{3-0};
1072 def rsr : AsI1<opcod, (outs GPR:$Rd),
1073 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm,
1074 iis, opc, "\t$Rd, $Rn, $shift",
1075 [(set GPR:$Rd, (opnode so_reg_reg:$shift, GPR:$Rn))]> {
1080 let Inst{19-16} = Rn;
1081 let Inst{15-12} = Rd;
1082 let Inst{11-8} = shift{11-8};
1084 let Inst{6-5} = shift{6-5};
1086 let Inst{3-0} = shift{3-0};
1089 // Assembly aliases for optional destination operand when it's the same
1090 // as the source operand.
1091 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $imm"),
1092 (!cast<Instruction>(!strconcat(baseOpc, "ri")) GPR:$Rdn, GPR:$Rdn,
1093 so_imm:$imm, pred:$p,
1096 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $Rm"),
1097 (!cast<Instruction>(!strconcat(baseOpc, "rr")) GPR:$Rdn, GPR:$Rdn,
1101 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
1102 (!cast<Instruction>(!strconcat(baseOpc, "rsi")) GPR:$Rdn, GPR:$Rdn,
1103 so_reg_imm:$shift, pred:$p,
1106 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
1107 (!cast<Instruction>(!strconcat(baseOpc, "rsr")) GPR:$Rdn, GPR:$Rdn,
1108 so_reg_reg:$shift, pred:$p,
1114 /// AsI1_bin_s_irs - Same as AsI1_bin_irs except it sets the 's' bit by default.
1116 /// These opcodes will be converted to the real non-S opcodes by
1117 /// AdjustInstrPostInstrSelection after giving them an optional CPSR operand.
1118 let hasPostISelHook = 1, Defs = [CPSR] in {
1119 multiclass AsI1_bin_s_irs<InstrItinClass iii, InstrItinClass iir,
1120 InstrItinClass iis, PatFrag opnode,
1121 bit Commutable = 0> {
1122 def ri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm, pred:$p),
1124 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, so_imm:$imm))]>;
1126 def rr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, pred:$p),
1128 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, GPR:$Rm))]> {
1129 let isCommutable = Commutable;
1131 def rsi : ARMPseudoInst<(outs GPR:$Rd),
1132 (ins GPR:$Rn, so_reg_imm:$shift, pred:$p),
1134 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn,
1135 so_reg_imm:$shift))]>;
1137 def rsr : ARMPseudoInst<(outs GPR:$Rd),
1138 (ins GPR:$Rn, so_reg_reg:$shift, pred:$p),
1140 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn,
1141 so_reg_reg:$shift))]>;
1145 /// AsI1_rbin_s_is - Same as AsI1_bin_s_irs, except selection DAG
1146 /// operands are reversed.
1147 let hasPostISelHook = 1, Defs = [CPSR] in {
1148 multiclass AsI1_rbin_s_is<InstrItinClass iii, InstrItinClass iir,
1149 InstrItinClass iis, PatFrag opnode,
1150 bit Commutable = 0> {
1151 def ri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm, pred:$p),
1153 [(set GPR:$Rd, CPSR, (opnode so_imm:$imm, GPR:$Rn))]>;
1155 def rsi : ARMPseudoInst<(outs GPR:$Rd),
1156 (ins GPR:$Rn, so_reg_imm:$shift, pred:$p),
1158 [(set GPR:$Rd, CPSR, (opnode so_reg_imm:$shift,
1161 def rsr : ARMPseudoInst<(outs GPR:$Rd),
1162 (ins GPR:$Rn, so_reg_reg:$shift, pred:$p),
1164 [(set GPR:$Rd, CPSR, (opnode so_reg_reg:$shift,
1169 /// AI1_cmp_irs - Defines a set of (op r, {so_imm|r|so_reg}) cmp / test
1170 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
1171 /// a explicit result, only implicitly set CPSR.
1172 let isCompare = 1, Defs = [CPSR] in {
1173 multiclass AI1_cmp_irs<bits<4> opcod, string opc,
1174 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
1175 PatFrag opnode, bit Commutable = 0> {
1176 def ri : AI1<opcod, (outs), (ins GPR:$Rn, so_imm:$imm), DPFrm, iii,
1178 [(opnode GPR:$Rn, so_imm:$imm)]> {
1183 let Inst{19-16} = Rn;
1184 let Inst{15-12} = 0b0000;
1185 let Inst{11-0} = imm;
1187 def rr : AI1<opcod, (outs), (ins GPR:$Rn, GPR:$Rm), DPFrm, iir,
1189 [(opnode GPR:$Rn, GPR:$Rm)]> {
1192 let isCommutable = Commutable;
1195 let Inst{19-16} = Rn;
1196 let Inst{15-12} = 0b0000;
1197 let Inst{11-4} = 0b00000000;
1200 def rsi : AI1<opcod, (outs),
1201 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm, iis,
1202 opc, "\t$Rn, $shift",
1203 [(opnode GPR:$Rn, so_reg_imm:$shift)]> {
1208 let Inst{19-16} = Rn;
1209 let Inst{15-12} = 0b0000;
1210 let Inst{11-5} = shift{11-5};
1212 let Inst{3-0} = shift{3-0};
1214 def rsr : AI1<opcod, (outs),
1215 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm, iis,
1216 opc, "\t$Rn, $shift",
1217 [(opnode GPR:$Rn, so_reg_reg:$shift)]> {
1222 let Inst{19-16} = Rn;
1223 let Inst{15-12} = 0b0000;
1224 let Inst{11-8} = shift{11-8};
1226 let Inst{6-5} = shift{6-5};
1228 let Inst{3-0} = shift{3-0};
1234 /// AI_ext_rrot - A unary operation with two forms: one whose operand is a
1235 /// register and one whose operand is a register rotated by 8/16/24.
1236 /// FIXME: Remove the 'r' variant. Its rot_imm is zero.
1237 class AI_ext_rrot<bits<8> opcod, string opc, PatFrag opnode>
1238 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPRnopc:$Rm, rot_imm:$rot),
1239 IIC_iEXTr, opc, "\t$Rd, $Rm$rot",
1240 [(set GPRnopc:$Rd, (opnode (rotr GPRnopc:$Rm, rot_imm:$rot)))]>,
1241 Requires<[IsARM, HasV6]> {
1245 let Inst{19-16} = 0b1111;
1246 let Inst{15-12} = Rd;
1247 let Inst{11-10} = rot;
1251 class AI_ext_rrot_np<bits<8> opcod, string opc>
1252 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPRnopc:$Rm, rot_imm:$rot),
1253 IIC_iEXTr, opc, "\t$Rd, $Rm$rot", []>,
1254 Requires<[IsARM, HasV6]> {
1256 let Inst{19-16} = 0b1111;
1257 let Inst{11-10} = rot;
1260 /// AI_exta_rrot - A binary operation with two forms: one whose operand is a
1261 /// register and one whose operand is a register rotated by 8/16/24.
1262 class AI_exta_rrot<bits<8> opcod, string opc, PatFrag opnode>
1263 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPR:$Rn, GPRnopc:$Rm, rot_imm:$rot),
1264 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm$rot",
1265 [(set GPRnopc:$Rd, (opnode GPR:$Rn,
1266 (rotr GPRnopc:$Rm, rot_imm:$rot)))]>,
1267 Requires<[IsARM, HasV6]> {
1272 let Inst{19-16} = Rn;
1273 let Inst{15-12} = Rd;
1274 let Inst{11-10} = rot;
1275 let Inst{9-4} = 0b000111;
1279 class AI_exta_rrot_np<bits<8> opcod, string opc>
1280 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPR:$Rn, GPRnopc:$Rm, rot_imm:$rot),
1281 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm$rot", []>,
1282 Requires<[IsARM, HasV6]> {
1285 let Inst{19-16} = Rn;
1286 let Inst{11-10} = rot;
1289 /// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
1290 multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode,
1291 string baseOpc, bit Commutable = 0> {
1292 let hasPostISelHook = 1, Defs = [CPSR], Uses = [CPSR] in {
1293 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
1294 DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
1295 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, so_imm:$imm, CPSR))]>,
1301 let Inst{15-12} = Rd;
1302 let Inst{19-16} = Rn;
1303 let Inst{11-0} = imm;
1305 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
1306 DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
1307 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, GPR:$Rm, CPSR))]>,
1312 let Inst{11-4} = 0b00000000;
1314 let isCommutable = Commutable;
1316 let Inst{15-12} = Rd;
1317 let Inst{19-16} = Rn;
1319 def rsi : AsI1<opcod, (outs GPR:$Rd),
1320 (ins GPR:$Rn, so_reg_imm:$shift),
1321 DPSoRegImmFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1322 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, so_reg_imm:$shift, CPSR))]>,
1328 let Inst{19-16} = Rn;
1329 let Inst{15-12} = Rd;
1330 let Inst{11-5} = shift{11-5};
1332 let Inst{3-0} = shift{3-0};
1334 def rsr : AsI1<opcod, (outs GPR:$Rd),
1335 (ins GPR:$Rn, so_reg_reg:$shift),
1336 DPSoRegRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1337 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, so_reg_reg:$shift, CPSR))]>,
1343 let Inst{19-16} = Rn;
1344 let Inst{15-12} = Rd;
1345 let Inst{11-8} = shift{11-8};
1347 let Inst{6-5} = shift{6-5};
1349 let Inst{3-0} = shift{3-0};
1353 // Assembly aliases for optional destination operand when it's the same
1354 // as the source operand.
1355 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $imm"),
1356 (!cast<Instruction>(!strconcat(baseOpc, "ri")) GPR:$Rdn, GPR:$Rdn,
1357 so_imm:$imm, pred:$p,
1360 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $Rm"),
1361 (!cast<Instruction>(!strconcat(baseOpc, "rr")) GPR:$Rdn, GPR:$Rdn,
1365 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
1366 (!cast<Instruction>(!strconcat(baseOpc, "rsi")) GPR:$Rdn, GPR:$Rdn,
1367 so_reg_imm:$shift, pred:$p,
1370 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
1371 (!cast<Instruction>(!strconcat(baseOpc, "rsr")) GPR:$Rdn, GPR:$Rdn,
1372 so_reg_reg:$shift, pred:$p,
1377 /// AI1_rsc_irs - Define instructions and patterns for rsc
1378 multiclass AI1_rsc_irs<bits<4> opcod, string opc, PatFrag opnode,
1380 let hasPostISelHook = 1, Defs = [CPSR], Uses = [CPSR] in {
1381 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
1382 DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
1383 [(set GPR:$Rd, CPSR, (opnode so_imm:$imm, GPR:$Rn, CPSR))]>,
1389 let Inst{15-12} = Rd;
1390 let Inst{19-16} = Rn;
1391 let Inst{11-0} = imm;
1393 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
1394 DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
1395 [/* pattern left blank */]> {
1399 let Inst{11-4} = 0b00000000;
1402 let Inst{15-12} = Rd;
1403 let Inst{19-16} = Rn;
1405 def rsi : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_imm:$shift),
1406 DPSoRegImmFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1407 [(set GPR:$Rd, CPSR, (opnode so_reg_imm:$shift, GPR:$Rn, CPSR))]>,
1413 let Inst{19-16} = Rn;
1414 let Inst{15-12} = Rd;
1415 let Inst{11-5} = shift{11-5};
1417 let Inst{3-0} = shift{3-0};
1419 def rsr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_reg:$shift),
1420 DPSoRegRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1421 [(set GPR:$Rd, CPSR, (opnode so_reg_reg:$shift, GPR:$Rn, CPSR))]>,
1427 let Inst{19-16} = Rn;
1428 let Inst{15-12} = Rd;
1429 let Inst{11-8} = shift{11-8};
1431 let Inst{6-5} = shift{6-5};
1433 let Inst{3-0} = shift{3-0};
1437 // Assembly aliases for optional destination operand when it's the same
1438 // as the source operand.
1439 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $imm"),
1440 (!cast<Instruction>(!strconcat(baseOpc, "ri")) GPR:$Rdn, GPR:$Rdn,
1441 so_imm:$imm, pred:$p,
1444 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $Rm"),
1445 (!cast<Instruction>(!strconcat(baseOpc, "rr")) GPR:$Rdn, GPR:$Rdn,
1449 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
1450 (!cast<Instruction>(!strconcat(baseOpc, "rsi")) GPR:$Rdn, GPR:$Rdn,
1451 so_reg_imm:$shift, pred:$p,
1454 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
1455 (!cast<Instruction>(!strconcat(baseOpc, "rsr")) GPR:$Rdn, GPR:$Rdn,
1456 so_reg_reg:$shift, pred:$p,
1461 let canFoldAsLoad = 1, isReMaterializable = 1 in {
1462 multiclass AI_ldr1<bit isByte, string opc, InstrItinClass iii,
1463 InstrItinClass iir, PatFrag opnode> {
1464 // Note: We use the complex addrmode_imm12 rather than just an input
1465 // GPR and a constrained immediate so that we can use this to match
1466 // frame index references and avoid matching constant pool references.
1467 def i12: AI2ldst<0b010, 1, isByte, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
1468 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
1469 [(set GPR:$Rt, (opnode addrmode_imm12:$addr))]> {
1472 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1473 let Inst{19-16} = addr{16-13}; // Rn
1474 let Inst{15-12} = Rt;
1475 let Inst{11-0} = addr{11-0}; // imm12
1477 def rs : AI2ldst<0b011, 1, isByte, (outs GPR:$Rt), (ins ldst_so_reg:$shift),
1478 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
1479 [(set GPR:$Rt, (opnode ldst_so_reg:$shift))]> {
1482 let shift{4} = 0; // Inst{4} = 0
1483 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1484 let Inst{19-16} = shift{16-13}; // Rn
1485 let Inst{15-12} = Rt;
1486 let Inst{11-0} = shift{11-0};
1491 let canFoldAsLoad = 1, isReMaterializable = 1 in {
1492 multiclass AI_ldr1nopc<bit isByte, string opc, InstrItinClass iii,
1493 InstrItinClass iir, PatFrag opnode> {
1494 // Note: We use the complex addrmode_imm12 rather than just an input
1495 // GPR and a constrained immediate so that we can use this to match
1496 // frame index references and avoid matching constant pool references.
1497 def i12: AI2ldst<0b010, 1, isByte, (outs GPRnopc:$Rt), (ins addrmode_imm12:$addr),
1498 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
1499 [(set GPRnopc:$Rt, (opnode addrmode_imm12:$addr))]> {
1502 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1503 let Inst{19-16} = addr{16-13}; // Rn
1504 let Inst{15-12} = Rt;
1505 let Inst{11-0} = addr{11-0}; // imm12
1507 def rs : AI2ldst<0b011, 1, isByte, (outs GPRnopc:$Rt), (ins ldst_so_reg:$shift),
1508 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
1509 [(set GPRnopc:$Rt, (opnode ldst_so_reg:$shift))]> {
1512 let shift{4} = 0; // Inst{4} = 0
1513 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1514 let Inst{19-16} = shift{16-13}; // Rn
1515 let Inst{15-12} = Rt;
1516 let Inst{11-0} = shift{11-0};
1522 multiclass AI_str1<bit isByte, string opc, InstrItinClass iii,
1523 InstrItinClass iir, PatFrag opnode> {
1524 // Note: We use the complex addrmode_imm12 rather than just an input
1525 // GPR and a constrained immediate so that we can use this to match
1526 // frame index references and avoid matching constant pool references.
1527 def i12 : AI2ldst<0b010, 0, isByte, (outs),
1528 (ins GPR:$Rt, addrmode_imm12:$addr),
1529 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
1530 [(opnode GPR:$Rt, addrmode_imm12:$addr)]> {
1533 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1534 let Inst{19-16} = addr{16-13}; // Rn
1535 let Inst{15-12} = Rt;
1536 let Inst{11-0} = addr{11-0}; // imm12
1538 def rs : AI2ldst<0b011, 0, isByte, (outs), (ins GPR:$Rt, ldst_so_reg:$shift),
1539 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
1540 [(opnode GPR:$Rt, ldst_so_reg:$shift)]> {
1543 let shift{4} = 0; // Inst{4} = 0
1544 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1545 let Inst{19-16} = shift{16-13}; // Rn
1546 let Inst{15-12} = Rt;
1547 let Inst{11-0} = shift{11-0};
1551 multiclass AI_str1nopc<bit isByte, string opc, InstrItinClass iii,
1552 InstrItinClass iir, PatFrag opnode> {
1553 // Note: We use the complex addrmode_imm12 rather than just an input
1554 // GPR and a constrained immediate so that we can use this to match
1555 // frame index references and avoid matching constant pool references.
1556 def i12 : AI2ldst<0b010, 0, isByte, (outs),
1557 (ins GPRnopc:$Rt, addrmode_imm12:$addr),
1558 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
1559 [(opnode GPRnopc:$Rt, addrmode_imm12:$addr)]> {
1562 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1563 let Inst{19-16} = addr{16-13}; // Rn
1564 let Inst{15-12} = Rt;
1565 let Inst{11-0} = addr{11-0}; // imm12
1567 def rs : AI2ldst<0b011, 0, isByte, (outs), (ins GPRnopc:$Rt, ldst_so_reg:$shift),
1568 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
1569 [(opnode GPRnopc:$Rt, ldst_so_reg:$shift)]> {
1572 let shift{4} = 0; // Inst{4} = 0
1573 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1574 let Inst{19-16} = shift{16-13}; // Rn
1575 let Inst{15-12} = Rt;
1576 let Inst{11-0} = shift{11-0};
1581 //===----------------------------------------------------------------------===//
1583 //===----------------------------------------------------------------------===//
1585 //===----------------------------------------------------------------------===//
1586 // Miscellaneous Instructions.
1589 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
1590 /// the function. The first operand is the ID# for this instruction, the second
1591 /// is the index into the MachineConstantPool that this is, the third is the
1592 /// size in bytes of this constant pool entry.
1593 let neverHasSideEffects = 1, isNotDuplicable = 1 in
1594 def CONSTPOOL_ENTRY :
1595 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
1596 i32imm:$size), NoItinerary, []>;
1598 // FIXME: Marking these as hasSideEffects is necessary to prevent machine DCE
1599 // from removing one half of the matched pairs. That breaks PEI, which assumes
1600 // these will always be in pairs, and asserts if it finds otherwise. Better way?
1601 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
1602 def ADJCALLSTACKUP :
1603 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary,
1604 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
1606 def ADJCALLSTACKDOWN :
1607 PseudoInst<(outs), (ins i32imm:$amt, pred:$p), NoItinerary,
1608 [(ARMcallseq_start timm:$amt)]>;
1611 // Atomic pseudo-insts which will be lowered to ldrexd/strexd loops.
1612 // (These pseudos use a hand-written selection code).
1613 let usesCustomInserter = 1, Defs = [CPSR], mayLoad = 1, mayStore = 1 in {
1614 def ATOMOR6432 : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
1615 (ins GPR:$addr, GPR:$src1, GPR:$src2),
1617 def ATOMXOR6432 : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
1618 (ins GPR:$addr, GPR:$src1, GPR:$src2),
1620 def ATOMADD6432 : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
1621 (ins GPR:$addr, GPR:$src1, GPR:$src2),
1623 def ATOMSUB6432 : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
1624 (ins GPR:$addr, GPR:$src1, GPR:$src2),
1626 def ATOMNAND6432 : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
1627 (ins GPR:$addr, GPR:$src1, GPR:$src2),
1629 def ATOMAND6432 : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
1630 (ins GPR:$addr, GPR:$src1, GPR:$src2),
1632 def ATOMSWAP6432 : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
1633 (ins GPR:$addr, GPR:$src1, GPR:$src2),
1635 def ATOMCMPXCHG6432 : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
1636 (ins GPR:$addr, GPR:$cmp1, GPR:$cmp2,
1637 GPR:$set1, GPR:$set2),
1641 def NOP : AI<(outs), (ins), MiscFrm, NoItinerary, "nop", "", []>,
1642 Requires<[IsARM, HasV6T2]> {
1643 let Inst{27-16} = 0b001100100000;
1644 let Inst{15-8} = 0b11110000;
1645 let Inst{7-0} = 0b00000000;
1648 def YIELD : AI<(outs), (ins), MiscFrm, NoItinerary, "yield", "", []>,
1649 Requires<[IsARM, HasV6T2]> {
1650 let Inst{27-16} = 0b001100100000;
1651 let Inst{15-8} = 0b11110000;
1652 let Inst{7-0} = 0b00000001;
1655 def WFE : AI<(outs), (ins), MiscFrm, NoItinerary, "wfe", "", []>,
1656 Requires<[IsARM, HasV6T2]> {
1657 let Inst{27-16} = 0b001100100000;
1658 let Inst{15-8} = 0b11110000;
1659 let Inst{7-0} = 0b00000010;
1662 def WFI : AI<(outs), (ins), MiscFrm, NoItinerary, "wfi", "", []>,
1663 Requires<[IsARM, HasV6T2]> {
1664 let Inst{27-16} = 0b001100100000;
1665 let Inst{15-8} = 0b11110000;
1666 let Inst{7-0} = 0b00000011;
1669 def SEL : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm, NoItinerary, "sel",
1670 "\t$Rd, $Rn, $Rm", []>, Requires<[IsARM, HasV6]> {
1675 let Inst{15-12} = Rd;
1676 let Inst{19-16} = Rn;
1677 let Inst{27-20} = 0b01101000;
1678 let Inst{7-4} = 0b1011;
1679 let Inst{11-8} = 0b1111;
1682 def SEV : AI<(outs), (ins), MiscFrm, NoItinerary, "sev", "",
1683 []>, Requires<[IsARM, HasV6T2]> {
1684 let Inst{27-16} = 0b001100100000;
1685 let Inst{15-8} = 0b11110000;
1686 let Inst{7-0} = 0b00000100;
1689 // The i32imm operand $val can be used by a debugger to store more information
1690 // about the breakpoint.
1691 def BKPT : AI<(outs), (ins imm0_65535:$val), MiscFrm, NoItinerary,
1692 "bkpt", "\t$val", []>, Requires<[IsARM]> {
1694 let Inst{3-0} = val{3-0};
1695 let Inst{19-8} = val{15-4};
1696 let Inst{27-20} = 0b00010010;
1697 let Inst{7-4} = 0b0111;
1700 // Change Processor State
1701 // FIXME: We should use InstAlias to handle the optional operands.
1702 class CPS<dag iops, string asm_ops>
1703 : AXI<(outs), iops, MiscFrm, NoItinerary, !strconcat("cps", asm_ops),
1704 []>, Requires<[IsARM]> {
1710 let Inst{31-28} = 0b1111;
1711 let Inst{27-20} = 0b00010000;
1712 let Inst{19-18} = imod;
1713 let Inst{17} = M; // Enabled if mode is set;
1714 let Inst{16-9} = 0b00000000;
1715 let Inst{8-6} = iflags;
1717 let Inst{4-0} = mode;
1720 let DecoderMethod = "DecodeCPSInstruction" in {
1722 def CPS3p : CPS<(ins imod_op:$imod, iflags_op:$iflags, imm0_31:$mode),
1723 "$imod\t$iflags, $mode">;
1724 let mode = 0, M = 0 in
1725 def CPS2p : CPS<(ins imod_op:$imod, iflags_op:$iflags), "$imod\t$iflags">;
1727 let imod = 0, iflags = 0, M = 1 in
1728 def CPS1p : CPS<(ins imm0_31:$mode), "\t$mode">;
1731 // Preload signals the memory system of possible future data/instruction access.
1732 multiclass APreLoad<bits<1> read, bits<1> data, string opc> {
1734 def i12 : AXI<(outs), (ins addrmode_imm12:$addr), MiscFrm, IIC_Preload,
1735 !strconcat(opc, "\t$addr"),
1736 [(ARMPreload addrmode_imm12:$addr, (i32 read), (i32 data))]> {
1739 let Inst{31-26} = 0b111101;
1740 let Inst{25} = 0; // 0 for immediate form
1741 let Inst{24} = data;
1742 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1743 let Inst{22} = read;
1744 let Inst{21-20} = 0b01;
1745 let Inst{19-16} = addr{16-13}; // Rn
1746 let Inst{15-12} = 0b1111;
1747 let Inst{11-0} = addr{11-0}; // imm12
1750 def rs : AXI<(outs), (ins ldst_so_reg:$shift), MiscFrm, IIC_Preload,
1751 !strconcat(opc, "\t$shift"),
1752 [(ARMPreload ldst_so_reg:$shift, (i32 read), (i32 data))]> {
1754 let Inst{31-26} = 0b111101;
1755 let Inst{25} = 1; // 1 for register form
1756 let Inst{24} = data;
1757 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1758 let Inst{22} = read;
1759 let Inst{21-20} = 0b01;
1760 let Inst{19-16} = shift{16-13}; // Rn
1761 let Inst{15-12} = 0b1111;
1762 let Inst{11-0} = shift{11-0};
1767 defm PLD : APreLoad<1, 1, "pld">, Requires<[IsARM]>;
1768 defm PLDW : APreLoad<0, 1, "pldw">, Requires<[IsARM,HasV7,HasMP]>;
1769 defm PLI : APreLoad<1, 0, "pli">, Requires<[IsARM,HasV7]>;
1771 def SETEND : AXI<(outs), (ins setend_op:$end), MiscFrm, NoItinerary,
1772 "setend\t$end", []>, Requires<[IsARM]> {
1774 let Inst{31-10} = 0b1111000100000001000000;
1779 def DBG : AI<(outs), (ins imm0_15:$opt), MiscFrm, NoItinerary, "dbg", "\t$opt",
1780 []>, Requires<[IsARM, HasV7]> {
1782 let Inst{27-4} = 0b001100100000111100001111;
1783 let Inst{3-0} = opt;
1786 // A5.4 Permanently UNDEFINED instructions.
1787 let isBarrier = 1, isTerminator = 1 in
1788 def TRAP : AXI<(outs), (ins), MiscFrm, NoItinerary,
1791 let Inst = 0xe7ffdefe;
1794 // Address computation and loads and stores in PIC mode.
1795 let isNotDuplicable = 1 in {
1796 def PICADD : ARMPseudoInst<(outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
1798 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
1800 let AddedComplexity = 10 in {
1801 def PICLDR : ARMPseudoInst<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
1803 [(set GPR:$dst, (load addrmodepc:$addr))]>;
1805 def PICLDRH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1807 [(set GPR:$Rt, (zextloadi16 addrmodepc:$addr))]>;
1809 def PICLDRB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1811 [(set GPR:$Rt, (zextloadi8 addrmodepc:$addr))]>;
1813 def PICLDRSH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1815 [(set GPR:$Rt, (sextloadi16 addrmodepc:$addr))]>;
1817 def PICLDRSB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1819 [(set GPR:$Rt, (sextloadi8 addrmodepc:$addr))]>;
1821 let AddedComplexity = 10 in {
1822 def PICSTR : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1823 4, IIC_iStore_r, [(store GPR:$src, addrmodepc:$addr)]>;
1825 def PICSTRH : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1826 4, IIC_iStore_bh_r, [(truncstorei16 GPR:$src,
1827 addrmodepc:$addr)]>;
1829 def PICSTRB : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1830 4, IIC_iStore_bh_r, [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
1832 } // isNotDuplicable = 1
1835 // LEApcrel - Load a pc-relative address into a register without offending the
1837 let neverHasSideEffects = 1, isReMaterializable = 1 in
1838 // The 'adr' mnemonic encodes differently if the label is before or after
1839 // the instruction. The {24-21} opcode bits are set by the fixup, as we don't
1840 // know until then which form of the instruction will be used.
1841 def ADR : AI1<{0,?,?,0}, (outs GPR:$Rd), (ins adrlabel:$label),
1842 MiscFrm, IIC_iALUi, "adr", "\t$Rd, $label", []> {
1845 let Inst{27-25} = 0b001;
1847 let Inst{23-22} = label{13-12};
1850 let Inst{19-16} = 0b1111;
1851 let Inst{15-12} = Rd;
1852 let Inst{11-0} = label{11-0};
1854 def LEApcrel : ARMPseudoInst<(outs GPR:$Rd), (ins i32imm:$label, pred:$p),
1857 def LEApcrelJT : ARMPseudoInst<(outs GPR:$Rd),
1858 (ins i32imm:$label, nohash_imm:$id, pred:$p),
1861 //===----------------------------------------------------------------------===//
1862 // Control Flow Instructions.
1865 let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
1867 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1868 "bx", "\tlr", [(ARMretflag)]>,
1869 Requires<[IsARM, HasV4T]> {
1870 let Inst{27-0} = 0b0001001011111111111100011110;
1874 def MOVPCLR : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1875 "mov", "\tpc, lr", [(ARMretflag)]>,
1876 Requires<[IsARM, NoV4T]> {
1877 let Inst{27-0} = 0b0001101000001111000000001110;
1881 // Indirect branches
1882 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
1884 def BX : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
1885 [(brind GPR:$dst)]>,
1886 Requires<[IsARM, HasV4T]> {
1888 let Inst{31-4} = 0b1110000100101111111111110001;
1889 let Inst{3-0} = dst;
1892 def BX_pred : AI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br,
1893 "bx", "\t$dst", [/* pattern left blank */]>,
1894 Requires<[IsARM, HasV4T]> {
1896 let Inst{27-4} = 0b000100101111111111110001;
1897 let Inst{3-0} = dst;
1901 // SP is marked as a use to prevent stack-pointer assignments that appear
1902 // immediately before calls from potentially appearing dead.
1904 // FIXME: Do we really need a non-predicated version? If so, it should
1905 // at least be a pseudo instruction expanding to the predicated version
1906 // at MC lowering time.
1907 Defs = [LR], Uses = [SP] in {
1908 def BL : ABXI<0b1011, (outs), (ins bl_target:$func, variable_ops),
1909 IIC_Br, "bl\t$func",
1910 [(ARMcall tglobaladdr:$func)]>,
1911 Requires<[IsARM, IsNotIOS]> {
1912 let Inst{31-28} = 0b1110;
1914 let Inst{23-0} = func;
1915 let DecoderMethod = "DecodeBranchImmInstruction";
1918 def BL_pred : ABI<0b1011, (outs), (ins bl_target:$func, variable_ops),
1919 IIC_Br, "bl", "\t$func",
1920 [(ARMcall_pred tglobaladdr:$func)]>,
1921 Requires<[IsARM, IsNotIOS]> {
1923 let Inst{23-0} = func;
1924 let DecoderMethod = "DecodeBranchImmInstruction";
1928 def BLX : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1929 IIC_Br, "blx\t$func",
1930 [(ARMcall GPR:$func)]>,
1931 Requires<[IsARM, HasV5T, IsNotIOS]> {
1933 let Inst{31-4} = 0b1110000100101111111111110011;
1934 let Inst{3-0} = func;
1937 def BLX_pred : AI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1938 IIC_Br, "blx", "\t$func",
1939 [(ARMcall_pred GPR:$func)]>,
1940 Requires<[IsARM, HasV5T, IsNotIOS]> {
1942 let Inst{27-4} = 0b000100101111111111110011;
1943 let Inst{3-0} = func;
1947 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1948 def BX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1949 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1950 Requires<[IsARM, HasV4T, IsNotIOS]>;
1953 def BMOVPCRX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1954 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1955 Requires<[IsARM, NoV4T, IsNotIOS]>;
1959 // On IOS R9 is call-clobbered.
1960 // R7 is marked as a use to prevent frame-pointer assignments from being
1961 // moved above / below calls.
1962 Defs = [LR], Uses = [R7, SP] in {
1963 def BLr9 : ARMPseudoExpand<(outs), (ins bl_target:$func, variable_ops),
1965 [(ARMcall tglobaladdr:$func)], (BL bl_target:$func)>,
1966 Requires<[IsARM, IsIOS]>;
1968 def BLr9_pred : ARMPseudoExpand<(outs),
1969 (ins bl_target:$func, pred:$p, variable_ops),
1971 [(ARMcall_pred tglobaladdr:$func)],
1972 (BL_pred bl_target:$func, pred:$p)>,
1973 Requires<[IsARM, IsIOS]>;
1976 def BLXr9 : ARMPseudoExpand<(outs), (ins GPR:$func, variable_ops),
1978 [(ARMcall GPR:$func)],
1980 Requires<[IsARM, HasV5T, IsIOS]>;
1982 def BLXr9_pred: ARMPseudoExpand<(outs), (ins GPR:$func, pred:$p,variable_ops),
1984 [(ARMcall_pred GPR:$func)],
1985 (BLX_pred GPR:$func, pred:$p)>,
1986 Requires<[IsARM, HasV5T, IsIOS]>;
1989 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1990 def BXr9_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1991 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1992 Requires<[IsARM, HasV4T, IsIOS]>;
1995 def BMOVPCRXr9_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1996 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1997 Requires<[IsARM, NoV4T, IsIOS]>;
2000 let isBranch = 1, isTerminator = 1 in {
2001 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
2002 // a two-value operand where a dag node expects two operands. :(
2003 def Bcc : ABI<0b1010, (outs), (ins br_target:$target),
2004 IIC_Br, "b", "\t$target",
2005 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]> {
2007 let Inst{23-0} = target;
2008 let DecoderMethod = "DecodeBranchImmInstruction";
2011 let isBarrier = 1 in {
2012 // B is "predicable" since it's just a Bcc with an 'always' condition.
2013 let isPredicable = 1 in
2014 // FIXME: We shouldn't need this pseudo at all. Just using Bcc directly
2015 // should be sufficient.
2016 // FIXME: Is B really a Barrier? That doesn't seem right.
2017 def B : ARMPseudoExpand<(outs), (ins br_target:$target), 4, IIC_Br,
2018 [(br bb:$target)], (Bcc br_target:$target, (ops 14, zero_reg))>;
2020 let isNotDuplicable = 1, isIndirectBranch = 1 in {
2021 def BR_JTr : ARMPseudoInst<(outs),
2022 (ins GPR:$target, i32imm:$jt, i32imm:$id),
2024 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]>;
2025 // FIXME: This shouldn't use the generic "addrmode2," but rather be split
2026 // into i12 and rs suffixed versions.
2027 def BR_JTm : ARMPseudoInst<(outs),
2028 (ins addrmode2:$target, i32imm:$jt, i32imm:$id),
2030 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
2032 def BR_JTadd : ARMPseudoInst<(outs),
2033 (ins GPR:$target, GPR:$idx, i32imm:$jt, i32imm:$id),
2035 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
2037 } // isNotDuplicable = 1, isIndirectBranch = 1
2043 def BLXi : AXI<(outs), (ins blx_target:$target), BrMiscFrm, NoItinerary,
2044 "blx\t$target", []>,
2045 Requires<[IsARM, HasV5T]> {
2046 let Inst{31-25} = 0b1111101;
2048 let Inst{23-0} = target{24-1};
2049 let Inst{24} = target{0};
2052 // Branch and Exchange Jazelle
2053 def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
2054 [/* pattern left blank */]> {
2056 let Inst{23-20} = 0b0010;
2057 let Inst{19-8} = 0xfff;
2058 let Inst{7-4} = 0b0010;
2059 let Inst{3-0} = func;
2064 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in {
2066 let Uses = [SP] in {
2067 def TCRETURNdi : PseudoInst<(outs), (ins i32imm:$dst, variable_ops),
2068 IIC_Br, []>, Requires<[IsIOS]>;
2070 def TCRETURNri : PseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
2071 IIC_Br, []>, Requires<[IsIOS]>;
2073 def TAILJMPd : ARMPseudoExpand<(outs), (ins br_target:$dst, variable_ops),
2075 (Bcc br_target:$dst, (ops 14, zero_reg))>,
2076 Requires<[IsARM, IsIOS]>;
2078 def TAILJMPr : ARMPseudoExpand<(outs), (ins tcGPR:$dst, variable_ops),
2081 Requires<[IsARM, IsIOS]>;
2085 // Non-IOS versions (the difference is R9).
2086 let Uses = [SP] in {
2087 def TCRETURNdiND : PseudoInst<(outs), (ins i32imm:$dst, variable_ops),
2088 IIC_Br, []>, Requires<[IsNotIOS]>;
2090 def TCRETURNriND : PseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
2091 IIC_Br, []>, Requires<[IsNotIOS]>;
2093 def TAILJMPdND : ARMPseudoExpand<(outs), (ins brtarget:$dst, variable_ops),
2095 (Bcc br_target:$dst, (ops 14, zero_reg))>,
2096 Requires<[IsARM, IsNotIOS]>;
2098 def TAILJMPrND : ARMPseudoExpand<(outs), (ins tcGPR:$dst, variable_ops),
2101 Requires<[IsARM, IsNotIOS]>;
2105 // Secure Monitor Call is a system instruction.
2106 def SMC : ABI<0b0001, (outs), (ins imm0_15:$opt), NoItinerary, "smc", "\t$opt",
2109 let Inst{23-4} = 0b01100000000000000111;
2110 let Inst{3-0} = opt;
2113 // Supervisor Call (Software Interrupt)
2114 let isCall = 1, Uses = [SP] in {
2115 def SVC : ABI<0b1111, (outs), (ins imm24b:$svc), IIC_Br, "svc", "\t$svc", []> {
2117 let Inst{23-0} = svc;
2121 // Store Return State
2122 class SRSI<bit wb, string asm>
2123 : XI<(outs), (ins imm0_31:$mode), AddrModeNone, 4, IndexModeNone, BrFrm,
2124 NoItinerary, asm, "", []> {
2126 let Inst{31-28} = 0b1111;
2127 let Inst{27-25} = 0b100;
2131 let Inst{19-16} = 0b1101; // SP
2132 let Inst{15-5} = 0b00000101000;
2133 let Inst{4-0} = mode;
2136 def SRSDA : SRSI<0, "srsda\tsp, $mode"> {
2137 let Inst{24-23} = 0;
2139 def SRSDA_UPD : SRSI<1, "srsda\tsp!, $mode"> {
2140 let Inst{24-23} = 0;
2142 def SRSDB : SRSI<0, "srsdb\tsp, $mode"> {
2143 let Inst{24-23} = 0b10;
2145 def SRSDB_UPD : SRSI<1, "srsdb\tsp!, $mode"> {
2146 let Inst{24-23} = 0b10;
2148 def SRSIA : SRSI<0, "srsia\tsp, $mode"> {
2149 let Inst{24-23} = 0b01;
2151 def SRSIA_UPD : SRSI<1, "srsia\tsp!, $mode"> {
2152 let Inst{24-23} = 0b01;
2154 def SRSIB : SRSI<0, "srsib\tsp, $mode"> {
2155 let Inst{24-23} = 0b11;
2157 def SRSIB_UPD : SRSI<1, "srsib\tsp!, $mode"> {
2158 let Inst{24-23} = 0b11;
2161 // Return From Exception
2162 class RFEI<bit wb, string asm>
2163 : XI<(outs), (ins GPR:$Rn), AddrModeNone, 4, IndexModeNone, BrFrm,
2164 NoItinerary, asm, "", []> {
2166 let Inst{31-28} = 0b1111;
2167 let Inst{27-25} = 0b100;
2171 let Inst{19-16} = Rn;
2172 let Inst{15-0} = 0xa00;
2175 def RFEDA : RFEI<0, "rfeda\t$Rn"> {
2176 let Inst{24-23} = 0;
2178 def RFEDA_UPD : RFEI<1, "rfeda\t$Rn!"> {
2179 let Inst{24-23} = 0;
2181 def RFEDB : RFEI<0, "rfedb\t$Rn"> {
2182 let Inst{24-23} = 0b10;
2184 def RFEDB_UPD : RFEI<1, "rfedb\t$Rn!"> {
2185 let Inst{24-23} = 0b10;
2187 def RFEIA : RFEI<0, "rfeia\t$Rn"> {
2188 let Inst{24-23} = 0b01;
2190 def RFEIA_UPD : RFEI<1, "rfeia\t$Rn!"> {
2191 let Inst{24-23} = 0b01;
2193 def RFEIB : RFEI<0, "rfeib\t$Rn"> {
2194 let Inst{24-23} = 0b11;
2196 def RFEIB_UPD : RFEI<1, "rfeib\t$Rn!"> {
2197 let Inst{24-23} = 0b11;
2200 //===----------------------------------------------------------------------===//
2201 // Load / Store Instructions.
2207 defm LDR : AI_ldr1<0, "ldr", IIC_iLoad_r, IIC_iLoad_si,
2208 UnOpFrag<(load node:$Src)>>;
2209 defm LDRB : AI_ldr1nopc<1, "ldrb", IIC_iLoad_bh_r, IIC_iLoad_bh_si,
2210 UnOpFrag<(zextloadi8 node:$Src)>>;
2211 defm STR : AI_str1<0, "str", IIC_iStore_r, IIC_iStore_si,
2212 BinOpFrag<(store node:$LHS, node:$RHS)>>;
2213 defm STRB : AI_str1nopc<1, "strb", IIC_iStore_bh_r, IIC_iStore_bh_si,
2214 BinOpFrag<(truncstorei8 node:$LHS, node:$RHS)>>;
2216 // Special LDR for loads from non-pc-relative constpools.
2217 let canFoldAsLoad = 1, mayLoad = 1, neverHasSideEffects = 1,
2218 isReMaterializable = 1, isCodeGenOnly = 1 in
2219 def LDRcp : AI2ldst<0b010, 1, 0, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
2220 AddrMode_i12, LdFrm, IIC_iLoad_r, "ldr", "\t$Rt, $addr",
2224 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2225 let Inst{19-16} = 0b1111;
2226 let Inst{15-12} = Rt;
2227 let Inst{11-0} = addr{11-0}; // imm12
2230 // Loads with zero extension
2231 def LDRH : AI3ld<0b1011, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
2232 IIC_iLoad_bh_r, "ldrh", "\t$Rt, $addr",
2233 [(set GPR:$Rt, (zextloadi16 addrmode3:$addr))]>;
2235 // Loads with sign extension
2236 def LDRSH : AI3ld<0b1111, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
2237 IIC_iLoad_bh_r, "ldrsh", "\t$Rt, $addr",
2238 [(set GPR:$Rt, (sextloadi16 addrmode3:$addr))]>;
2240 def LDRSB : AI3ld<0b1101, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
2241 IIC_iLoad_bh_r, "ldrsb", "\t$Rt, $addr",
2242 [(set GPR:$Rt, (sextloadi8 addrmode3:$addr))]>;
2244 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1 in {
2246 def LDRD : AI3ld<0b1101, 0, (outs GPR:$Rd, GPR:$dst2),
2247 (ins addrmode3:$addr), LdMiscFrm,
2248 IIC_iLoad_d_r, "ldrd", "\t$Rd, $dst2, $addr",
2249 []>, Requires<[IsARM, HasV5TE]>;
2253 multiclass AI2_ldridx<bit isByte, string opc,
2254 InstrItinClass iii, InstrItinClass iir> {
2255 def _PRE_IMM : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb),
2256 (ins addrmode_imm12:$addr), IndexModePre, LdFrm, iii,
2257 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2260 let Inst{23} = addr{12};
2261 let Inst{19-16} = addr{16-13};
2262 let Inst{11-0} = addr{11-0};
2263 let DecoderMethod = "DecodeLDRPreImm";
2264 let AsmMatchConverter = "cvtLdWriteBackRegAddrModeImm12";
2267 def _PRE_REG : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb),
2268 (ins ldst_so_reg:$addr), IndexModePre, LdFrm, iir,
2269 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2272 let Inst{23} = addr{12};
2273 let Inst{19-16} = addr{16-13};
2274 let Inst{11-0} = addr{11-0};
2276 let DecoderMethod = "DecodeLDRPreReg";
2277 let AsmMatchConverter = "cvtLdWriteBackRegAddrMode2";
2280 def _POST_REG : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2281 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2282 IndexModePost, LdFrm, iir,
2283 opc, "\t$Rt, $addr, $offset",
2284 "$addr.base = $Rn_wb", []> {
2290 let Inst{23} = offset{12};
2291 let Inst{19-16} = addr;
2292 let Inst{11-0} = offset{11-0};
2294 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2297 def _POST_IMM : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2298 (ins addr_offset_none:$addr, am2offset_imm:$offset),
2299 IndexModePost, LdFrm, iii,
2300 opc, "\t$Rt, $addr, $offset",
2301 "$addr.base = $Rn_wb", []> {
2307 let Inst{23} = offset{12};
2308 let Inst{19-16} = addr;
2309 let Inst{11-0} = offset{11-0};
2311 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2316 let mayLoad = 1, neverHasSideEffects = 1 in {
2317 // FIXME: for LDR_PRE_REG etc. the itineray should be either IIC_iLoad_ru or
2318 // IIC_iLoad_siu depending on whether it the offset register is shifted.
2319 defm LDR : AI2_ldridx<0, "ldr", IIC_iLoad_iu, IIC_iLoad_ru>;
2320 defm LDRB : AI2_ldridx<1, "ldrb", IIC_iLoad_bh_iu, IIC_iLoad_bh_ru>;
2323 multiclass AI3_ldridx<bits<4> op, string opc, InstrItinClass itin> {
2324 def _PRE : AI3ldstidx<op, 1, 1, (outs GPR:$Rt, GPR:$Rn_wb),
2325 (ins addrmode3:$addr), IndexModePre,
2327 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2329 let Inst{23} = addr{8}; // U bit
2330 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2331 let Inst{19-16} = addr{12-9}; // Rn
2332 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2333 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2334 let AsmMatchConverter = "cvtLdWriteBackRegAddrMode3";
2335 let DecoderMethod = "DecodeAddrMode3Instruction";
2337 def _POST : AI3ldstidx<op, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2338 (ins addr_offset_none:$addr, am3offset:$offset),
2339 IndexModePost, LdMiscFrm, itin,
2340 opc, "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb",
2344 let Inst{23} = offset{8}; // U bit
2345 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2346 let Inst{19-16} = addr;
2347 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2348 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2349 let DecoderMethod = "DecodeAddrMode3Instruction";
2353 let mayLoad = 1, neverHasSideEffects = 1 in {
2354 defm LDRH : AI3_ldridx<0b1011, "ldrh", IIC_iLoad_bh_ru>;
2355 defm LDRSH : AI3_ldridx<0b1111, "ldrsh", IIC_iLoad_bh_ru>;
2356 defm LDRSB : AI3_ldridx<0b1101, "ldrsb", IIC_iLoad_bh_ru>;
2357 let hasExtraDefRegAllocReq = 1 in {
2358 def LDRD_PRE : AI3ldstidx<0b1101, 0, 1, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
2359 (ins addrmode3:$addr), IndexModePre,
2360 LdMiscFrm, IIC_iLoad_d_ru,
2361 "ldrd", "\t$Rt, $Rt2, $addr!",
2362 "$addr.base = $Rn_wb", []> {
2364 let Inst{23} = addr{8}; // U bit
2365 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2366 let Inst{19-16} = addr{12-9}; // Rn
2367 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2368 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2369 let DecoderMethod = "DecodeAddrMode3Instruction";
2370 let AsmMatchConverter = "cvtLdrdPre";
2372 def LDRD_POST: AI3ldstidx<0b1101, 0, 0, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
2373 (ins addr_offset_none:$addr, am3offset:$offset),
2374 IndexModePost, LdMiscFrm, IIC_iLoad_d_ru,
2375 "ldrd", "\t$Rt, $Rt2, $addr, $offset",
2376 "$addr.base = $Rn_wb", []> {
2379 let Inst{23} = offset{8}; // U bit
2380 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2381 let Inst{19-16} = addr;
2382 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2383 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2384 let DecoderMethod = "DecodeAddrMode3Instruction";
2386 } // hasExtraDefRegAllocReq = 1
2387 } // mayLoad = 1, neverHasSideEffects = 1
2389 // LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT.
2390 let mayLoad = 1, neverHasSideEffects = 1 in {
2391 def LDRT_POST_REG : AI2ldstidx<1, 0, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2392 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2393 IndexModePost, LdFrm, IIC_iLoad_ru,
2394 "ldrt", "\t$Rt, $addr, $offset",
2395 "$addr.base = $Rn_wb", []> {
2401 let Inst{23} = offset{12};
2402 let Inst{21} = 1; // overwrite
2403 let Inst{19-16} = addr;
2404 let Inst{11-5} = offset{11-5};
2406 let Inst{3-0} = offset{3-0};
2407 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2410 def LDRT_POST_IMM : AI2ldstidx<1, 0, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2411 (ins addr_offset_none:$addr, am2offset_imm:$offset),
2412 IndexModePost, LdFrm, IIC_iLoad_ru,
2413 "ldrt", "\t$Rt, $addr, $offset",
2414 "$addr.base = $Rn_wb", []> {
2420 let Inst{23} = offset{12};
2421 let Inst{21} = 1; // overwrite
2422 let Inst{19-16} = addr;
2423 let Inst{11-0} = offset{11-0};
2424 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2427 def LDRBT_POST_REG : AI2ldstidx<1, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2428 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2429 IndexModePost, LdFrm, IIC_iLoad_bh_ru,
2430 "ldrbt", "\t$Rt, $addr, $offset",
2431 "$addr.base = $Rn_wb", []> {
2437 let Inst{23} = offset{12};
2438 let Inst{21} = 1; // overwrite
2439 let Inst{19-16} = addr;
2440 let Inst{11-5} = offset{11-5};
2442 let Inst{3-0} = offset{3-0};
2443 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2446 def LDRBT_POST_IMM : AI2ldstidx<1, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2447 (ins addr_offset_none:$addr, am2offset_imm:$offset),
2448 IndexModePost, LdFrm, IIC_iLoad_bh_ru,
2449 "ldrbt", "\t$Rt, $addr, $offset",
2450 "$addr.base = $Rn_wb", []> {
2456 let Inst{23} = offset{12};
2457 let Inst{21} = 1; // overwrite
2458 let Inst{19-16} = addr;
2459 let Inst{11-0} = offset{11-0};
2460 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2463 multiclass AI3ldrT<bits<4> op, string opc> {
2464 def i : AI3ldstidxT<op, 1, (outs GPR:$Rt, GPR:$base_wb),
2465 (ins addr_offset_none:$addr, postidx_imm8:$offset),
2466 IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru, opc,
2467 "\t$Rt, $addr, $offset", "$addr.base = $base_wb", []> {
2469 let Inst{23} = offset{8};
2471 let Inst{11-8} = offset{7-4};
2472 let Inst{3-0} = offset{3-0};
2473 let AsmMatchConverter = "cvtLdExtTWriteBackImm";
2475 def r : AI3ldstidxT<op, 1, (outs GPR:$Rt, GPR:$base_wb),
2476 (ins addr_offset_none:$addr, postidx_reg:$Rm),
2477 IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru, opc,
2478 "\t$Rt, $addr, $Rm", "$addr.base = $base_wb", []> {
2480 let Inst{23} = Rm{4};
2483 let Inst{3-0} = Rm{3-0};
2484 let AsmMatchConverter = "cvtLdExtTWriteBackReg";
2488 defm LDRSBT : AI3ldrT<0b1101, "ldrsbt">;
2489 defm LDRHT : AI3ldrT<0b1011, "ldrht">;
2490 defm LDRSHT : AI3ldrT<0b1111, "ldrsht">;
2495 // Stores with truncate
2496 def STRH : AI3str<0b1011, (outs), (ins GPR:$Rt, addrmode3:$addr), StMiscFrm,
2497 IIC_iStore_bh_r, "strh", "\t$Rt, $addr",
2498 [(truncstorei16 GPR:$Rt, addrmode3:$addr)]>;
2501 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in
2502 def STRD : AI3str<0b1111, (outs), (ins GPR:$Rt, GPR:$src2, addrmode3:$addr),
2503 StMiscFrm, IIC_iStore_d_r,
2504 "strd", "\t$Rt, $src2, $addr", []>,
2505 Requires<[IsARM, HasV5TE]> {
2510 multiclass AI2_stridx<bit isByte, string opc,
2511 InstrItinClass iii, InstrItinClass iir> {
2512 def _PRE_IMM : AI2ldstidx<0, isByte, 1, (outs GPR:$Rn_wb),
2513 (ins GPR:$Rt, addrmode_imm12:$addr), IndexModePre,
2515 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2518 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2519 let Inst{19-16} = addr{16-13}; // Rn
2520 let Inst{11-0} = addr{11-0}; // imm12
2521 let AsmMatchConverter = "cvtStWriteBackRegAddrModeImm12";
2522 let DecoderMethod = "DecodeSTRPreImm";
2525 def _PRE_REG : AI2ldstidx<0, isByte, 1, (outs GPR:$Rn_wb),
2526 (ins GPR:$Rt, ldst_so_reg:$addr),
2527 IndexModePre, StFrm, iir,
2528 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2531 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2532 let Inst{19-16} = addr{16-13}; // Rn
2533 let Inst{11-0} = addr{11-0};
2534 let Inst{4} = 0; // Inst{4} = 0
2535 let AsmMatchConverter = "cvtStWriteBackRegAddrMode2";
2536 let DecoderMethod = "DecodeSTRPreReg";
2538 def _POST_REG : AI2ldstidx<0, isByte, 0, (outs GPR:$Rn_wb),
2539 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_reg:$offset),
2540 IndexModePost, StFrm, iir,
2541 opc, "\t$Rt, $addr, $offset",
2542 "$addr.base = $Rn_wb", []> {
2548 let Inst{23} = offset{12};
2549 let Inst{19-16} = addr;
2550 let Inst{11-0} = offset{11-0};
2552 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2555 def _POST_IMM : AI2ldstidx<0, isByte, 0, (outs GPR:$Rn_wb),
2556 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_imm:$offset),
2557 IndexModePost, StFrm, iii,
2558 opc, "\t$Rt, $addr, $offset",
2559 "$addr.base = $Rn_wb", []> {
2565 let Inst{23} = offset{12};
2566 let Inst{19-16} = addr;
2567 let Inst{11-0} = offset{11-0};
2569 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2573 let mayStore = 1, neverHasSideEffects = 1 in {
2574 // FIXME: for STR_PRE_REG etc. the itineray should be either IIC_iStore_ru or
2575 // IIC_iStore_siu depending on whether it the offset register is shifted.
2576 defm STR : AI2_stridx<0, "str", IIC_iStore_iu, IIC_iStore_ru>;
2577 defm STRB : AI2_stridx<1, "strb", IIC_iStore_bh_iu, IIC_iStore_bh_ru>;
2580 def : ARMPat<(post_store GPR:$Rt, addr_offset_none:$addr,
2581 am2offset_reg:$offset),
2582 (STR_POST_REG GPR:$Rt, addr_offset_none:$addr,
2583 am2offset_reg:$offset)>;
2584 def : ARMPat<(post_store GPR:$Rt, addr_offset_none:$addr,
2585 am2offset_imm:$offset),
2586 (STR_POST_IMM GPR:$Rt, addr_offset_none:$addr,
2587 am2offset_imm:$offset)>;
2588 def : ARMPat<(post_truncsti8 GPR:$Rt, addr_offset_none:$addr,
2589 am2offset_reg:$offset),
2590 (STRB_POST_REG GPR:$Rt, addr_offset_none:$addr,
2591 am2offset_reg:$offset)>;
2592 def : ARMPat<(post_truncsti8 GPR:$Rt, addr_offset_none:$addr,
2593 am2offset_imm:$offset),
2594 (STRB_POST_IMM GPR:$Rt, addr_offset_none:$addr,
2595 am2offset_imm:$offset)>;
2597 // Pseudo-instructions for pattern matching the pre-indexed stores. We can't
2598 // put the patterns on the instruction definitions directly as ISel wants
2599 // the address base and offset to be separate operands, not a single
2600 // complex operand like we represent the instructions themselves. The
2601 // pseudos map between the two.
2602 let usesCustomInserter = 1,
2603 Constraints = "$Rn = $Rn_wb,@earlyclobber $Rn_wb" in {
2604 def STRi_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2605 (ins GPR:$Rt, GPR:$Rn, am2offset_imm:$offset, pred:$p),
2608 (pre_store GPR:$Rt, GPR:$Rn, am2offset_imm:$offset))]>;
2609 def STRr_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2610 (ins GPR:$Rt, GPR:$Rn, am2offset_reg:$offset, pred:$p),
2613 (pre_store GPR:$Rt, GPR:$Rn, am2offset_reg:$offset))]>;
2614 def STRBi_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2615 (ins GPR:$Rt, GPR:$Rn, am2offset_imm:$offset, pred:$p),
2618 (pre_truncsti8 GPR:$Rt, GPR:$Rn, am2offset_imm:$offset))]>;
2619 def STRBr_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2620 (ins GPR:$Rt, GPR:$Rn, am2offset_reg:$offset, pred:$p),
2623 (pre_truncsti8 GPR:$Rt, GPR:$Rn, am2offset_reg:$offset))]>;
2624 def STRH_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2625 (ins GPR:$Rt, GPR:$Rn, am3offset:$offset, pred:$p),
2628 (pre_truncsti16 GPR:$Rt, GPR:$Rn, am3offset:$offset))]>;
2633 def STRH_PRE : AI3ldstidx<0b1011, 0, 1, (outs GPR:$Rn_wb),
2634 (ins GPR:$Rt, addrmode3:$addr), IndexModePre,
2635 StMiscFrm, IIC_iStore_bh_ru,
2636 "strh", "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2638 let Inst{23} = addr{8}; // U bit
2639 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2640 let Inst{19-16} = addr{12-9}; // Rn
2641 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2642 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2643 let AsmMatchConverter = "cvtStWriteBackRegAddrMode3";
2644 let DecoderMethod = "DecodeAddrMode3Instruction";
2647 def STRH_POST : AI3ldstidx<0b1011, 0, 0, (outs GPR:$Rn_wb),
2648 (ins GPR:$Rt, addr_offset_none:$addr, am3offset:$offset),
2649 IndexModePost, StMiscFrm, IIC_iStore_bh_ru,
2650 "strh", "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb",
2651 [(set GPR:$Rn_wb, (post_truncsti16 GPR:$Rt,
2652 addr_offset_none:$addr,
2653 am3offset:$offset))]> {
2656 let Inst{23} = offset{8}; // U bit
2657 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2658 let Inst{19-16} = addr;
2659 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2660 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2661 let DecoderMethod = "DecodeAddrMode3Instruction";
2664 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in {
2665 def STRD_PRE : AI3ldstidx<0b1111, 0, 1, (outs GPR:$Rn_wb),
2666 (ins GPR:$Rt, GPR:$Rt2, addrmode3:$addr),
2667 IndexModePre, StMiscFrm, IIC_iStore_d_ru,
2668 "strd", "\t$Rt, $Rt2, $addr!",
2669 "$addr.base = $Rn_wb", []> {
2671 let Inst{23} = addr{8}; // U bit
2672 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2673 let Inst{19-16} = addr{12-9}; // Rn
2674 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2675 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2676 let DecoderMethod = "DecodeAddrMode3Instruction";
2677 let AsmMatchConverter = "cvtStrdPre";
2680 def STRD_POST: AI3ldstidx<0b1111, 0, 0, (outs GPR:$Rn_wb),
2681 (ins GPR:$Rt, GPR:$Rt2, addr_offset_none:$addr,
2683 IndexModePost, StMiscFrm, IIC_iStore_d_ru,
2684 "strd", "\t$Rt, $Rt2, $addr, $offset",
2685 "$addr.base = $Rn_wb", []> {
2688 let Inst{23} = offset{8}; // U bit
2689 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2690 let Inst{19-16} = addr;
2691 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2692 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2693 let DecoderMethod = "DecodeAddrMode3Instruction";
2695 } // mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1
2697 // STRT, STRBT, and STRHT
2699 def STRBT_POST_REG : AI2ldstidx<0, 1, 0, (outs GPR:$Rn_wb),
2700 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_reg:$offset),
2701 IndexModePost, StFrm, IIC_iStore_bh_ru,
2702 "strbt", "\t$Rt, $addr, $offset",
2703 "$addr.base = $Rn_wb", []> {
2709 let Inst{23} = offset{12};
2710 let Inst{21} = 1; // overwrite
2711 let Inst{19-16} = addr;
2712 let Inst{11-5} = offset{11-5};
2714 let Inst{3-0} = offset{3-0};
2715 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2718 def STRBT_POST_IMM : AI2ldstidx<0, 1, 0, (outs GPR:$Rn_wb),
2719 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_imm:$offset),
2720 IndexModePost, StFrm, IIC_iStore_bh_ru,
2721 "strbt", "\t$Rt, $addr, $offset",
2722 "$addr.base = $Rn_wb", []> {
2728 let Inst{23} = offset{12};
2729 let Inst{21} = 1; // overwrite
2730 let Inst{19-16} = addr;
2731 let Inst{11-0} = offset{11-0};
2732 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2735 let mayStore = 1, neverHasSideEffects = 1 in {
2736 def STRT_POST_REG : AI2ldstidx<0, 0, 0, (outs GPR:$Rn_wb),
2737 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_reg:$offset),
2738 IndexModePost, StFrm, IIC_iStore_ru,
2739 "strt", "\t$Rt, $addr, $offset",
2740 "$addr.base = $Rn_wb", []> {
2746 let Inst{23} = offset{12};
2747 let Inst{21} = 1; // overwrite
2748 let Inst{19-16} = addr;
2749 let Inst{11-5} = offset{11-5};
2751 let Inst{3-0} = offset{3-0};
2752 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2755 def STRT_POST_IMM : AI2ldstidx<0, 0, 0, (outs GPR:$Rn_wb),
2756 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_imm:$offset),
2757 IndexModePost, StFrm, IIC_iStore_ru,
2758 "strt", "\t$Rt, $addr, $offset",
2759 "$addr.base = $Rn_wb", []> {
2765 let Inst{23} = offset{12};
2766 let Inst{21} = 1; // overwrite
2767 let Inst{19-16} = addr;
2768 let Inst{11-0} = offset{11-0};
2769 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2774 multiclass AI3strT<bits<4> op, string opc> {
2775 def i : AI3ldstidxT<op, 0, (outs GPR:$base_wb),
2776 (ins GPR:$Rt, addr_offset_none:$addr, postidx_imm8:$offset),
2777 IndexModePost, StMiscFrm, IIC_iStore_bh_ru, opc,
2778 "\t$Rt, $addr, $offset", "$addr.base = $base_wb", []> {
2780 let Inst{23} = offset{8};
2782 let Inst{11-8} = offset{7-4};
2783 let Inst{3-0} = offset{3-0};
2784 let AsmMatchConverter = "cvtStExtTWriteBackImm";
2786 def r : AI3ldstidxT<op, 0, (outs GPR:$base_wb),
2787 (ins GPR:$Rt, addr_offset_none:$addr, postidx_reg:$Rm),
2788 IndexModePost, StMiscFrm, IIC_iStore_bh_ru, opc,
2789 "\t$Rt, $addr, $Rm", "$addr.base = $base_wb", []> {
2791 let Inst{23} = Rm{4};
2794 let Inst{3-0} = Rm{3-0};
2795 let AsmMatchConverter = "cvtStExtTWriteBackReg";
2800 defm STRHT : AI3strT<0b1011, "strht">;
2803 //===----------------------------------------------------------------------===//
2804 // Load / store multiple Instructions.
2807 multiclass arm_ldst_mult<string asm, string sfx, bit L_bit, bit P_bit, Format f,
2808 InstrItinClass itin, InstrItinClass itin_upd> {
2809 // IA is the default, so no need for an explicit suffix on the
2810 // mnemonic here. Without it is the cannonical spelling.
2812 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2813 IndexModeNone, f, itin,
2814 !strconcat(asm, "${p}\t$Rn, $regs", sfx), "", []> {
2815 let Inst{24-23} = 0b01; // Increment After
2816 let Inst{22} = P_bit;
2817 let Inst{21} = 0; // No writeback
2818 let Inst{20} = L_bit;
2821 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2822 IndexModeUpd, f, itin_upd,
2823 !strconcat(asm, "${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
2824 let Inst{24-23} = 0b01; // Increment After
2825 let Inst{22} = P_bit;
2826 let Inst{21} = 1; // Writeback
2827 let Inst{20} = L_bit;
2829 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
2832 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2833 IndexModeNone, f, itin,
2834 !strconcat(asm, "da${p}\t$Rn, $regs", sfx), "", []> {
2835 let Inst{24-23} = 0b00; // Decrement After
2836 let Inst{22} = P_bit;
2837 let Inst{21} = 0; // No writeback
2838 let Inst{20} = L_bit;
2841 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2842 IndexModeUpd, f, itin_upd,
2843 !strconcat(asm, "da${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
2844 let Inst{24-23} = 0b00; // Decrement After
2845 let Inst{22} = P_bit;
2846 let Inst{21} = 1; // Writeback
2847 let Inst{20} = L_bit;
2849 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
2852 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2853 IndexModeNone, f, itin,
2854 !strconcat(asm, "db${p}\t$Rn, $regs", sfx), "", []> {
2855 let Inst{24-23} = 0b10; // Decrement Before
2856 let Inst{22} = P_bit;
2857 let Inst{21} = 0; // No writeback
2858 let Inst{20} = L_bit;
2861 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2862 IndexModeUpd, f, itin_upd,
2863 !strconcat(asm, "db${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
2864 let Inst{24-23} = 0b10; // Decrement Before
2865 let Inst{22} = P_bit;
2866 let Inst{21} = 1; // Writeback
2867 let Inst{20} = L_bit;
2869 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
2872 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2873 IndexModeNone, f, itin,
2874 !strconcat(asm, "ib${p}\t$Rn, $regs", sfx), "", []> {
2875 let Inst{24-23} = 0b11; // Increment Before
2876 let Inst{22} = P_bit;
2877 let Inst{21} = 0; // No writeback
2878 let Inst{20} = L_bit;
2881 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2882 IndexModeUpd, f, itin_upd,
2883 !strconcat(asm, "ib${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
2884 let Inst{24-23} = 0b11; // Increment Before
2885 let Inst{22} = P_bit;
2886 let Inst{21} = 1; // Writeback
2887 let Inst{20} = L_bit;
2889 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
2893 let neverHasSideEffects = 1 in {
2895 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
2896 defm LDM : arm_ldst_mult<"ldm", "", 1, 0, LdStMulFrm, IIC_iLoad_m,
2899 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
2900 defm STM : arm_ldst_mult<"stm", "", 0, 0, LdStMulFrm, IIC_iStore_m,
2903 } // neverHasSideEffects
2905 // FIXME: remove when we have a way to marking a MI with these properties.
2906 // FIXME: Should pc be an implicit operand like PICADD, etc?
2907 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
2908 hasExtraDefRegAllocReq = 1, isCodeGenOnly = 1 in
2909 def LDMIA_RET : ARMPseudoExpand<(outs GPR:$wb), (ins GPR:$Rn, pred:$p,
2910 reglist:$regs, variable_ops),
2911 4, IIC_iLoad_mBr, [],
2912 (LDMIA_UPD GPR:$wb, GPR:$Rn, pred:$p, reglist:$regs)>,
2913 RegConstraint<"$Rn = $wb">;
2915 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
2916 defm sysLDM : arm_ldst_mult<"ldm", " ^", 1, 1, LdStMulFrm, IIC_iLoad_m,
2919 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
2920 defm sysSTM : arm_ldst_mult<"stm", " ^", 0, 1, LdStMulFrm, IIC_iStore_m,
2925 //===----------------------------------------------------------------------===//
2926 // Move Instructions.
2929 let neverHasSideEffects = 1 in
2930 def MOVr : AsI1<0b1101, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMOVr,
2931 "mov", "\t$Rd, $Rm", []>, UnaryDP {
2935 let Inst{19-16} = 0b0000;
2936 let Inst{11-4} = 0b00000000;
2939 let Inst{15-12} = Rd;
2942 def : ARMInstAlias<"movs${p} $Rd, $Rm",
2943 (MOVr GPR:$Rd, GPR:$Rm, pred:$p, CPSR)>;
2945 // A version for the smaller set of tail call registers.
2946 let neverHasSideEffects = 1 in
2947 def MOVr_TC : AsI1<0b1101, (outs tcGPR:$Rd), (ins tcGPR:$Rm), DPFrm,
2948 IIC_iMOVr, "mov", "\t$Rd, $Rm", []>, UnaryDP {
2952 let Inst{11-4} = 0b00000000;
2955 let Inst{15-12} = Rd;
2958 def MOVsr : AsI1<0b1101, (outs GPRnopc:$Rd), (ins shift_so_reg_reg:$src),
2959 DPSoRegRegFrm, IIC_iMOVsr,
2960 "mov", "\t$Rd, $src",
2961 [(set GPRnopc:$Rd, shift_so_reg_reg:$src)]>, UnaryDP {
2964 let Inst{15-12} = Rd;
2965 let Inst{19-16} = 0b0000;
2966 let Inst{11-8} = src{11-8};
2968 let Inst{6-5} = src{6-5};
2970 let Inst{3-0} = src{3-0};
2974 def MOVsi : AsI1<0b1101, (outs GPR:$Rd), (ins shift_so_reg_imm:$src),
2975 DPSoRegImmFrm, IIC_iMOVsr,
2976 "mov", "\t$Rd, $src", [(set GPR:$Rd, shift_so_reg_imm:$src)]>,
2980 let Inst{15-12} = Rd;
2981 let Inst{19-16} = 0b0000;
2982 let Inst{11-5} = src{11-5};
2984 let Inst{3-0} = src{3-0};
2988 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
2989 def MOVi : AsI1<0b1101, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm, IIC_iMOVi,
2990 "mov", "\t$Rd, $imm", [(set GPR:$Rd, so_imm:$imm)]>, UnaryDP {
2994 let Inst{15-12} = Rd;
2995 let Inst{19-16} = 0b0000;
2996 let Inst{11-0} = imm;
2999 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
3000 def MOVi16 : AI1<0b1000, (outs GPR:$Rd), (ins imm0_65535_expr:$imm),
3002 "movw", "\t$Rd, $imm",
3003 [(set GPR:$Rd, imm0_65535:$imm)]>,
3004 Requires<[IsARM, HasV6T2]>, UnaryDP {
3007 let Inst{15-12} = Rd;
3008 let Inst{11-0} = imm{11-0};
3009 let Inst{19-16} = imm{15-12};
3012 let DecoderMethod = "DecodeArmMOVTWInstruction";
3015 def : InstAlias<"mov${p} $Rd, $imm",
3016 (MOVi16 GPR:$Rd, imm0_65535_expr:$imm, pred:$p)>,
3019 def MOVi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
3020 (ins i32imm:$addr, pclabel:$id), IIC_iMOVi, []>;
3022 let Constraints = "$src = $Rd" in {
3023 def MOVTi16 : AI1<0b1010, (outs GPRnopc:$Rd),
3024 (ins GPR:$src, imm0_65535_expr:$imm),
3026 "movt", "\t$Rd, $imm",
3028 (or (and GPR:$src, 0xffff),
3029 lo16AllZero:$imm))]>, UnaryDP,
3030 Requires<[IsARM, HasV6T2]> {
3033 let Inst{15-12} = Rd;
3034 let Inst{11-0} = imm{11-0};
3035 let Inst{19-16} = imm{15-12};
3038 let DecoderMethod = "DecodeArmMOVTWInstruction";
3041 def MOVTi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
3042 (ins GPR:$src, i32imm:$addr, pclabel:$id), IIC_iMOVi, []>;
3046 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
3047 Requires<[IsARM, HasV6T2]>;
3049 let Uses = [CPSR] in
3050 def RRX: PseudoInst<(outs GPR:$Rd), (ins GPR:$Rm), IIC_iMOVsi,
3051 [(set GPR:$Rd, (ARMrrx GPR:$Rm))]>, UnaryDP,
3054 // These aren't really mov instructions, but we have to define them this way
3055 // due to flag operands.
3057 let Defs = [CPSR] in {
3058 def MOVsrl_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
3059 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP,
3061 def MOVsra_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
3062 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP,
3066 //===----------------------------------------------------------------------===//
3067 // Extend Instructions.
3072 def SXTB : AI_ext_rrot<0b01101010,
3073 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
3074 def SXTH : AI_ext_rrot<0b01101011,
3075 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
3077 def SXTAB : AI_exta_rrot<0b01101010,
3078 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
3079 def SXTAH : AI_exta_rrot<0b01101011,
3080 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
3082 def SXTB16 : AI_ext_rrot_np<0b01101000, "sxtb16">;
3084 def SXTAB16 : AI_exta_rrot_np<0b01101000, "sxtab16">;
3088 let AddedComplexity = 16 in {
3089 def UXTB : AI_ext_rrot<0b01101110,
3090 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
3091 def UXTH : AI_ext_rrot<0b01101111,
3092 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
3093 def UXTB16 : AI_ext_rrot<0b01101100,
3094 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
3096 // FIXME: This pattern incorrectly assumes the shl operator is a rotate.
3097 // The transformation should probably be done as a combiner action
3098 // instead so we can include a check for masking back in the upper
3099 // eight bits of the source into the lower eight bits of the result.
3100 //def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
3101 // (UXTB16r_rot GPR:$Src, 3)>;
3102 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
3103 (UXTB16 GPR:$Src, 1)>;
3105 def UXTAB : AI_exta_rrot<0b01101110, "uxtab",
3106 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
3107 def UXTAH : AI_exta_rrot<0b01101111, "uxtah",
3108 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
3111 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
3112 def UXTAB16 : AI_exta_rrot_np<0b01101100, "uxtab16">;
3115 def SBFX : I<(outs GPRnopc:$Rd),
3116 (ins GPRnopc:$Rn, imm0_31:$lsb, imm1_32:$width),
3117 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3118 "sbfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
3119 Requires<[IsARM, HasV6T2]> {
3124 let Inst{27-21} = 0b0111101;
3125 let Inst{6-4} = 0b101;
3126 let Inst{20-16} = width;
3127 let Inst{15-12} = Rd;
3128 let Inst{11-7} = lsb;
3132 def UBFX : I<(outs GPR:$Rd),
3133 (ins GPR:$Rn, imm0_31:$lsb, imm1_32:$width),
3134 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3135 "ubfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
3136 Requires<[IsARM, HasV6T2]> {
3141 let Inst{27-21} = 0b0111111;
3142 let Inst{6-4} = 0b101;
3143 let Inst{20-16} = width;
3144 let Inst{15-12} = Rd;
3145 let Inst{11-7} = lsb;
3149 //===----------------------------------------------------------------------===//
3150 // Arithmetic Instructions.
3153 defm ADD : AsI1_bin_irs<0b0100, "add",
3154 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3155 BinOpFrag<(add node:$LHS, node:$RHS)>, "ADD", 1>;
3156 defm SUB : AsI1_bin_irs<0b0010, "sub",
3157 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3158 BinOpFrag<(sub node:$LHS, node:$RHS)>, "SUB">;
3160 // ADD and SUB with 's' bit set.
3162 // Currently, ADDS/SUBS are pseudo opcodes that exist only in the
3163 // selection DAG. They are "lowered" to real ADD/SUB opcodes by
3164 // AdjustInstrPostInstrSelection where we determine whether or not to
3165 // set the "s" bit based on CPSR liveness.
3167 // FIXME: Eliminate ADDS/SUBS pseudo opcodes after adding tablegen
3168 // support for an optional CPSR definition that corresponds to the DAG
3169 // node's second value. We can then eliminate the implicit def of CPSR.
3170 defm ADDS : AsI1_bin_s_irs<IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3171 BinOpFrag<(ARMaddc node:$LHS, node:$RHS)>, 1>;
3172 defm SUBS : AsI1_bin_s_irs<IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3173 BinOpFrag<(ARMsubc node:$LHS, node:$RHS)>>;
3175 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
3176 BinOpWithFlagFrag<(ARMadde node:$LHS, node:$RHS, node:$FLAG)>,
3178 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
3179 BinOpWithFlagFrag<(ARMsube node:$LHS, node:$RHS, node:$FLAG)>,
3182 defm RSB : AsI1_rbin_irs <0b0011, "rsb",
3183 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3184 BinOpFrag<(sub node:$LHS, node:$RHS)>, "RSB">;
3186 // FIXME: Eliminate them if we can write def : Pat patterns which defines
3187 // CPSR and the implicit def of CPSR is not needed.
3188 defm RSBS : AsI1_rbin_s_is<IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3189 BinOpFrag<(ARMsubc node:$LHS, node:$RHS)>>;
3191 defm RSC : AI1_rsc_irs<0b0111, "rsc",
3192 BinOpWithFlagFrag<(ARMsube node:$LHS, node:$RHS, node:$FLAG)>,
3195 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
3196 // The assume-no-carry-in form uses the negation of the input since add/sub
3197 // assume opposite meanings of the carry flag (i.e., carry == !borrow).
3198 // See the definition of AddWithCarry() in the ARM ARM A2.2.1 for the gory
3200 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
3201 (SUBri GPR:$src, so_imm_neg:$imm)>;
3202 def : ARMPat<(ARMaddc GPR:$src, so_imm_neg:$imm),
3203 (SUBSri GPR:$src, so_imm_neg:$imm)>;
3205 // The with-carry-in form matches bitwise not instead of the negation.
3206 // Effectively, the inverse interpretation of the carry flag already accounts
3207 // for part of the negation.
3208 def : ARMPat<(ARMadde GPR:$src, so_imm_not:$imm, CPSR),
3209 (SBCri GPR:$src, so_imm_not:$imm)>;
3211 // Note: These are implemented in C++ code, because they have to generate
3212 // ADD/SUBrs instructions, which use a complex pattern that a xform function
3214 // (mul X, 2^n+1) -> (add (X << n), X)
3215 // (mul X, 2^n-1) -> (rsb X, (X << n))
3217 // ARM Arithmetic Instruction
3218 // GPR:$dst = GPR:$a op GPR:$b
3219 class AAI<bits<8> op27_20, bits<8> op11_4, string opc,
3220 list<dag> pattern = [],
3221 dag iops = (ins GPRnopc:$Rn, GPRnopc:$Rm),
3222 string asm = "\t$Rd, $Rn, $Rm">
3223 : AI<(outs GPRnopc:$Rd), iops, DPFrm, IIC_iALUr, opc, asm, pattern> {
3227 let Inst{27-20} = op27_20;
3228 let Inst{11-4} = op11_4;
3229 let Inst{19-16} = Rn;
3230 let Inst{15-12} = Rd;
3234 // Saturating add/subtract
3236 def QADD : AAI<0b00010000, 0b00000101, "qadd",
3237 [(set GPRnopc:$Rd, (int_arm_qadd GPRnopc:$Rm, GPRnopc:$Rn))],
3238 (ins GPRnopc:$Rm, GPRnopc:$Rn), "\t$Rd, $Rm, $Rn">;
3239 def QSUB : AAI<0b00010010, 0b00000101, "qsub",
3240 [(set GPRnopc:$Rd, (int_arm_qsub GPRnopc:$Rm, GPRnopc:$Rn))],
3241 (ins GPRnopc:$Rm, GPRnopc:$Rn), "\t$Rd, $Rm, $Rn">;
3242 def QDADD : AAI<0b00010100, 0b00000101, "qdadd", [],
3243 (ins GPRnopc:$Rm, GPRnopc:$Rn),
3245 def QDSUB : AAI<0b00010110, 0b00000101, "qdsub", [],
3246 (ins GPRnopc:$Rm, GPRnopc:$Rn),
3249 def QADD16 : AAI<0b01100010, 0b11110001, "qadd16">;
3250 def QADD8 : AAI<0b01100010, 0b11111001, "qadd8">;
3251 def QASX : AAI<0b01100010, 0b11110011, "qasx">;
3252 def QSAX : AAI<0b01100010, 0b11110101, "qsax">;
3253 def QSUB16 : AAI<0b01100010, 0b11110111, "qsub16">;
3254 def QSUB8 : AAI<0b01100010, 0b11111111, "qsub8">;
3255 def UQADD16 : AAI<0b01100110, 0b11110001, "uqadd16">;
3256 def UQADD8 : AAI<0b01100110, 0b11111001, "uqadd8">;
3257 def UQASX : AAI<0b01100110, 0b11110011, "uqasx">;
3258 def UQSAX : AAI<0b01100110, 0b11110101, "uqsax">;
3259 def UQSUB16 : AAI<0b01100110, 0b11110111, "uqsub16">;
3260 def UQSUB8 : AAI<0b01100110, 0b11111111, "uqsub8">;
3262 // Signed/Unsigned add/subtract
3264 def SASX : AAI<0b01100001, 0b11110011, "sasx">;
3265 def SADD16 : AAI<0b01100001, 0b11110001, "sadd16">;
3266 def SADD8 : AAI<0b01100001, 0b11111001, "sadd8">;
3267 def SSAX : AAI<0b01100001, 0b11110101, "ssax">;
3268 def SSUB16 : AAI<0b01100001, 0b11110111, "ssub16">;
3269 def SSUB8 : AAI<0b01100001, 0b11111111, "ssub8">;
3270 def UASX : AAI<0b01100101, 0b11110011, "uasx">;
3271 def UADD16 : AAI<0b01100101, 0b11110001, "uadd16">;
3272 def UADD8 : AAI<0b01100101, 0b11111001, "uadd8">;
3273 def USAX : AAI<0b01100101, 0b11110101, "usax">;
3274 def USUB16 : AAI<0b01100101, 0b11110111, "usub16">;
3275 def USUB8 : AAI<0b01100101, 0b11111111, "usub8">;
3277 // Signed/Unsigned halving add/subtract
3279 def SHASX : AAI<0b01100011, 0b11110011, "shasx">;
3280 def SHADD16 : AAI<0b01100011, 0b11110001, "shadd16">;
3281 def SHADD8 : AAI<0b01100011, 0b11111001, "shadd8">;
3282 def SHSAX : AAI<0b01100011, 0b11110101, "shsax">;
3283 def SHSUB16 : AAI<0b01100011, 0b11110111, "shsub16">;
3284 def SHSUB8 : AAI<0b01100011, 0b11111111, "shsub8">;
3285 def UHASX : AAI<0b01100111, 0b11110011, "uhasx">;
3286 def UHADD16 : AAI<0b01100111, 0b11110001, "uhadd16">;
3287 def UHADD8 : AAI<0b01100111, 0b11111001, "uhadd8">;
3288 def UHSAX : AAI<0b01100111, 0b11110101, "uhsax">;
3289 def UHSUB16 : AAI<0b01100111, 0b11110111, "uhsub16">;
3290 def UHSUB8 : AAI<0b01100111, 0b11111111, "uhsub8">;
3292 // Unsigned Sum of Absolute Differences [and Accumulate].
3294 def USAD8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3295 MulFrm /* for convenience */, NoItinerary, "usad8",
3296 "\t$Rd, $Rn, $Rm", []>,
3297 Requires<[IsARM, HasV6]> {
3301 let Inst{27-20} = 0b01111000;
3302 let Inst{15-12} = 0b1111;
3303 let Inst{7-4} = 0b0001;
3304 let Inst{19-16} = Rd;
3305 let Inst{11-8} = Rm;
3308 def USADA8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3309 MulFrm /* for convenience */, NoItinerary, "usada8",
3310 "\t$Rd, $Rn, $Rm, $Ra", []>,
3311 Requires<[IsARM, HasV6]> {
3316 let Inst{27-20} = 0b01111000;
3317 let Inst{7-4} = 0b0001;
3318 let Inst{19-16} = Rd;
3319 let Inst{15-12} = Ra;
3320 let Inst{11-8} = Rm;
3324 // Signed/Unsigned saturate
3326 def SSAT : AI<(outs GPRnopc:$Rd),
3327 (ins imm1_32:$sat_imm, GPRnopc:$Rn, shift_imm:$sh),
3328 SatFrm, NoItinerary, "ssat", "\t$Rd, $sat_imm, $Rn$sh", []> {
3333 let Inst{27-21} = 0b0110101;
3334 let Inst{5-4} = 0b01;
3335 let Inst{20-16} = sat_imm;
3336 let Inst{15-12} = Rd;
3337 let Inst{11-7} = sh{4-0};
3338 let Inst{6} = sh{5};
3342 def SSAT16 : AI<(outs GPRnopc:$Rd),
3343 (ins imm1_16:$sat_imm, GPRnopc:$Rn), SatFrm,
3344 NoItinerary, "ssat16", "\t$Rd, $sat_imm, $Rn", []> {
3348 let Inst{27-20} = 0b01101010;
3349 let Inst{11-4} = 0b11110011;
3350 let Inst{15-12} = Rd;
3351 let Inst{19-16} = sat_imm;
3355 def USAT : AI<(outs GPRnopc:$Rd),
3356 (ins imm0_31:$sat_imm, GPRnopc:$Rn, shift_imm:$sh),
3357 SatFrm, NoItinerary, "usat", "\t$Rd, $sat_imm, $Rn$sh", []> {
3362 let Inst{27-21} = 0b0110111;
3363 let Inst{5-4} = 0b01;
3364 let Inst{15-12} = Rd;
3365 let Inst{11-7} = sh{4-0};
3366 let Inst{6} = sh{5};
3367 let Inst{20-16} = sat_imm;
3371 def USAT16 : AI<(outs GPRnopc:$Rd),
3372 (ins imm0_15:$sat_imm, GPRnopc:$Rn), SatFrm,
3373 NoItinerary, "usat16", "\t$Rd, $sat_imm, $Rn", []> {
3377 let Inst{27-20} = 0b01101110;
3378 let Inst{11-4} = 0b11110011;
3379 let Inst{15-12} = Rd;
3380 let Inst{19-16} = sat_imm;
3384 def : ARMV6Pat<(int_arm_ssat GPRnopc:$a, imm:$pos),
3385 (SSAT imm:$pos, GPRnopc:$a, 0)>;
3386 def : ARMV6Pat<(int_arm_usat GPRnopc:$a, imm:$pos),
3387 (USAT imm:$pos, GPRnopc:$a, 0)>;
3389 //===----------------------------------------------------------------------===//
3390 // Bitwise Instructions.
3393 defm AND : AsI1_bin_irs<0b0000, "and",
3394 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3395 BinOpFrag<(and node:$LHS, node:$RHS)>, "AND", 1>;
3396 defm ORR : AsI1_bin_irs<0b1100, "orr",
3397 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3398 BinOpFrag<(or node:$LHS, node:$RHS)>, "ORR", 1>;
3399 defm EOR : AsI1_bin_irs<0b0001, "eor",
3400 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3401 BinOpFrag<(xor node:$LHS, node:$RHS)>, "EOR", 1>;
3402 defm BIC : AsI1_bin_irs<0b1110, "bic",
3403 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3404 BinOpFrag<(and node:$LHS, (not node:$RHS))>, "BIC">;
3406 // FIXME: bf_inv_mask_imm should be two operands, the lsb and the msb, just
3407 // like in the actual instruction encoding. The complexity of mapping the mask
3408 // to the lsb/msb pair should be handled by ISel, not encapsulated in the
3409 // instruction description.
3410 def BFC : I<(outs GPR:$Rd), (ins GPR:$src, bf_inv_mask_imm:$imm),
3411 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3412 "bfc", "\t$Rd, $imm", "$src = $Rd",
3413 [(set GPR:$Rd, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
3414 Requires<[IsARM, HasV6T2]> {
3417 let Inst{27-21} = 0b0111110;
3418 let Inst{6-0} = 0b0011111;
3419 let Inst{15-12} = Rd;
3420 let Inst{11-7} = imm{4-0}; // lsb
3421 let Inst{20-16} = imm{9-5}; // msb
3424 // A8.6.18 BFI - Bitfield insert (Encoding A1)
3425 def BFI:I<(outs GPRnopc:$Rd), (ins GPRnopc:$src, GPR:$Rn, bf_inv_mask_imm:$imm),
3426 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3427 "bfi", "\t$Rd, $Rn, $imm", "$src = $Rd",
3428 [(set GPRnopc:$Rd, (ARMbfi GPRnopc:$src, GPR:$Rn,
3429 bf_inv_mask_imm:$imm))]>,
3430 Requires<[IsARM, HasV6T2]> {
3434 let Inst{27-21} = 0b0111110;
3435 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
3436 let Inst{15-12} = Rd;
3437 let Inst{11-7} = imm{4-0}; // lsb
3438 let Inst{20-16} = imm{9-5}; // width
3442 def MVNr : AsI1<0b1111, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMVNr,
3443 "mvn", "\t$Rd, $Rm",
3444 [(set GPR:$Rd, (not GPR:$Rm))]>, UnaryDP {
3448 let Inst{19-16} = 0b0000;
3449 let Inst{11-4} = 0b00000000;
3450 let Inst{15-12} = Rd;
3453 def MVNsi : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg_imm:$shift),
3454 DPSoRegImmFrm, IIC_iMVNsr, "mvn", "\t$Rd, $shift",
3455 [(set GPR:$Rd, (not so_reg_imm:$shift))]>, UnaryDP {
3459 let Inst{19-16} = 0b0000;
3460 let Inst{15-12} = Rd;
3461 let Inst{11-5} = shift{11-5};
3463 let Inst{3-0} = shift{3-0};
3465 def MVNsr : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg_reg:$shift),
3466 DPSoRegRegFrm, IIC_iMVNsr, "mvn", "\t$Rd, $shift",
3467 [(set GPR:$Rd, (not so_reg_reg:$shift))]>, UnaryDP {
3471 let Inst{19-16} = 0b0000;
3472 let Inst{15-12} = Rd;
3473 let Inst{11-8} = shift{11-8};
3475 let Inst{6-5} = shift{6-5};
3477 let Inst{3-0} = shift{3-0};
3479 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
3480 def MVNi : AsI1<0b1111, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm,
3481 IIC_iMVNi, "mvn", "\t$Rd, $imm",
3482 [(set GPR:$Rd, so_imm_not:$imm)]>,UnaryDP {
3486 let Inst{19-16} = 0b0000;
3487 let Inst{15-12} = Rd;
3488 let Inst{11-0} = imm;
3491 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
3492 (BICri GPR:$src, so_imm_not:$imm)>;
3494 //===----------------------------------------------------------------------===//
3495 // Multiply Instructions.
3497 class AsMul1I32<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
3498 string opc, string asm, list<dag> pattern>
3499 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
3503 let Inst{19-16} = Rd;
3504 let Inst{11-8} = Rm;
3507 class AsMul1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
3508 string opc, string asm, list<dag> pattern>
3509 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
3514 let Inst{19-16} = RdHi;
3515 let Inst{15-12} = RdLo;
3516 let Inst{11-8} = Rm;
3520 // FIXME: The v5 pseudos are only necessary for the additional Constraint
3521 // property. Remove them when it's possible to add those properties
3522 // on an individual MachineInstr, not just an instuction description.
3523 let isCommutable = 1 in {
3524 def MUL : AsMul1I32<0b0000000, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3525 IIC_iMUL32, "mul", "\t$Rd, $Rn, $Rm",
3526 [(set GPR:$Rd, (mul GPR:$Rn, GPR:$Rm))]>,
3527 Requires<[IsARM, HasV6]> {
3528 let Inst{15-12} = 0b0000;
3531 let Constraints = "@earlyclobber $Rd" in
3532 def MULv5: ARMPseudoExpand<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
3533 pred:$p, cc_out:$s),
3535 [(set GPR:$Rd, (mul GPR:$Rn, GPR:$Rm))],
3536 (MUL GPR:$Rd, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3537 Requires<[IsARM, NoV6]>;
3540 def MLA : AsMul1I32<0b0000001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3541 IIC_iMAC32, "mla", "\t$Rd, $Rn, $Rm, $Ra",
3542 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
3543 Requires<[IsARM, HasV6]> {
3545 let Inst{15-12} = Ra;
3548 let Constraints = "@earlyclobber $Rd" in
3549 def MLAv5: ARMPseudoExpand<(outs GPR:$Rd),
3550 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra, pred:$p, cc_out:$s),
3552 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))],
3553 (MLA GPR:$Rd, GPR:$Rn, GPR:$Rm, GPR:$Ra, pred:$p, cc_out:$s)>,
3554 Requires<[IsARM, NoV6]>;
3556 def MLS : AMul1I<0b0000011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3557 IIC_iMAC32, "mls", "\t$Rd, $Rn, $Rm, $Ra",
3558 [(set GPR:$Rd, (sub GPR:$Ra, (mul GPR:$Rn, GPR:$Rm)))]>,
3559 Requires<[IsARM, HasV6T2]> {
3564 let Inst{19-16} = Rd;
3565 let Inst{15-12} = Ra;
3566 let Inst{11-8} = Rm;
3570 // Extra precision multiplies with low / high results
3571 let neverHasSideEffects = 1 in {
3572 let isCommutable = 1 in {
3573 def SMULL : AsMul1I64<0b0000110, (outs GPR:$RdLo, GPR:$RdHi),
3574 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
3575 "smull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3576 Requires<[IsARM, HasV6]>;
3578 def UMULL : AsMul1I64<0b0000100, (outs GPR:$RdLo, GPR:$RdHi),
3579 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
3580 "umull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3581 Requires<[IsARM, HasV6]>;
3583 let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
3584 def SMULLv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3585 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
3587 (SMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3588 Requires<[IsARM, NoV6]>;
3590 def UMULLv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3591 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
3593 (UMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3594 Requires<[IsARM, NoV6]>;
3598 // Multiply + accumulate
3599 def SMLAL : AsMul1I64<0b0000111, (outs GPR:$RdLo, GPR:$RdHi),
3600 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
3601 "smlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3602 Requires<[IsARM, HasV6]>;
3603 def UMLAL : AsMul1I64<0b0000101, (outs GPR:$RdLo, GPR:$RdHi),
3604 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
3605 "umlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3606 Requires<[IsARM, HasV6]>;
3608 def UMAAL : AMul1I <0b0000010, (outs GPR:$RdLo, GPR:$RdHi),
3609 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
3610 "umaal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3611 Requires<[IsARM, HasV6]> {
3616 let Inst{19-16} = RdHi;
3617 let Inst{15-12} = RdLo;
3618 let Inst{11-8} = Rm;
3622 let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
3623 def SMLALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3624 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
3626 (SMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3627 Requires<[IsARM, NoV6]>;
3628 def UMLALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3629 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
3631 (UMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3632 Requires<[IsARM, NoV6]>;
3633 def UMAALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3634 (ins GPR:$Rn, GPR:$Rm, pred:$p),
3636 (UMAAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p)>,
3637 Requires<[IsARM, NoV6]>;
3640 } // neverHasSideEffects
3642 // Most significant word multiply
3643 def SMMUL : AMul2I <0b0111010, 0b0001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3644 IIC_iMUL32, "smmul", "\t$Rd, $Rn, $Rm",
3645 [(set GPR:$Rd, (mulhs GPR:$Rn, GPR:$Rm))]>,
3646 Requires<[IsARM, HasV6]> {
3647 let Inst{15-12} = 0b1111;
3650 def SMMULR : AMul2I <0b0111010, 0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3651 IIC_iMUL32, "smmulr", "\t$Rd, $Rn, $Rm", []>,
3652 Requires<[IsARM, HasV6]> {
3653 let Inst{15-12} = 0b1111;
3656 def SMMLA : AMul2Ia <0b0111010, 0b0001, (outs GPR:$Rd),
3657 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3658 IIC_iMAC32, "smmla", "\t$Rd, $Rn, $Rm, $Ra",
3659 [(set GPR:$Rd, (add (mulhs GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
3660 Requires<[IsARM, HasV6]>;
3662 def SMMLAR : AMul2Ia <0b0111010, 0b0011, (outs GPR:$Rd),
3663 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3664 IIC_iMAC32, "smmlar", "\t$Rd, $Rn, $Rm, $Ra", []>,
3665 Requires<[IsARM, HasV6]>;
3667 def SMMLS : AMul2Ia <0b0111010, 0b1101, (outs GPR:$Rd),
3668 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3669 IIC_iMAC32, "smmls", "\t$Rd, $Rn, $Rm, $Ra",
3670 [(set GPR:$Rd, (sub GPR:$Ra, (mulhs GPR:$Rn, GPR:$Rm)))]>,
3671 Requires<[IsARM, HasV6]>;
3673 def SMMLSR : AMul2Ia <0b0111010, 0b1111, (outs GPR:$Rd),
3674 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3675 IIC_iMAC32, "smmlsr", "\t$Rd, $Rn, $Rm, $Ra", []>,
3676 Requires<[IsARM, HasV6]>;
3678 multiclass AI_smul<string opc, PatFrag opnode> {
3679 def BB : AMulxyI<0b0001011, 0b00, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3680 IIC_iMUL16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm",
3681 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
3682 (sext_inreg GPR:$Rm, i16)))]>,
3683 Requires<[IsARM, HasV5TE]>;
3685 def BT : AMulxyI<0b0001011, 0b10, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3686 IIC_iMUL16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm",
3687 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
3688 (sra GPR:$Rm, (i32 16))))]>,
3689 Requires<[IsARM, HasV5TE]>;
3691 def TB : AMulxyI<0b0001011, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3692 IIC_iMUL16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm",
3693 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
3694 (sext_inreg GPR:$Rm, i16)))]>,
3695 Requires<[IsARM, HasV5TE]>;
3697 def TT : AMulxyI<0b0001011, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3698 IIC_iMUL16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm",
3699 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
3700 (sra GPR:$Rm, (i32 16))))]>,
3701 Requires<[IsARM, HasV5TE]>;
3703 def WB : AMulxyI<0b0001001, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3704 IIC_iMUL16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm",
3705 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
3706 (sext_inreg GPR:$Rm, i16)), (i32 16)))]>,
3707 Requires<[IsARM, HasV5TE]>;
3709 def WT : AMulxyI<0b0001001, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3710 IIC_iMUL16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm",
3711 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
3712 (sra GPR:$Rm, (i32 16))), (i32 16)))]>,
3713 Requires<[IsARM, HasV5TE]>;
3717 multiclass AI_smla<string opc, PatFrag opnode> {
3718 let DecoderMethod = "DecodeSMLAInstruction" in {
3719 def BB : AMulxyIa<0b0001000, 0b00, (outs GPRnopc:$Rd),
3720 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3721 IIC_iMAC16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm, $Ra",
3722 [(set GPRnopc:$Rd, (add GPR:$Ra,
3723 (opnode (sext_inreg GPRnopc:$Rn, i16),
3724 (sext_inreg GPRnopc:$Rm, i16))))]>,
3725 Requires<[IsARM, HasV5TE]>;
3727 def BT : AMulxyIa<0b0001000, 0b10, (outs GPRnopc:$Rd),
3728 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3729 IIC_iMAC16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm, $Ra",
3731 (add GPR:$Ra, (opnode (sext_inreg GPRnopc:$Rn, i16),
3732 (sra GPRnopc:$Rm, (i32 16)))))]>,
3733 Requires<[IsARM, HasV5TE]>;
3735 def TB : AMulxyIa<0b0001000, 0b01, (outs GPRnopc:$Rd),
3736 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3737 IIC_iMAC16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm, $Ra",
3739 (add GPR:$Ra, (opnode (sra GPRnopc:$Rn, (i32 16)),
3740 (sext_inreg GPRnopc:$Rm, i16))))]>,
3741 Requires<[IsARM, HasV5TE]>;
3743 def TT : AMulxyIa<0b0001000, 0b11, (outs GPRnopc:$Rd),
3744 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3745 IIC_iMAC16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm, $Ra",
3747 (add GPR:$Ra, (opnode (sra GPRnopc:$Rn, (i32 16)),
3748 (sra GPRnopc:$Rm, (i32 16)))))]>,
3749 Requires<[IsARM, HasV5TE]>;
3751 def WB : AMulxyIa<0b0001001, 0b00, (outs GPRnopc:$Rd),
3752 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3753 IIC_iMAC16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm, $Ra",
3755 (add GPR:$Ra, (sra (opnode GPRnopc:$Rn,
3756 (sext_inreg GPRnopc:$Rm, i16)), (i32 16))))]>,
3757 Requires<[IsARM, HasV5TE]>;
3759 def WT : AMulxyIa<0b0001001, 0b10, (outs GPRnopc:$Rd),
3760 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3761 IIC_iMAC16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm, $Ra",
3763 (add GPR:$Ra, (sra (opnode GPRnopc:$Rn,
3764 (sra GPRnopc:$Rm, (i32 16))), (i32 16))))]>,
3765 Requires<[IsARM, HasV5TE]>;
3769 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
3770 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
3772 // Halfword multiply accumulate long: SMLAL<x><y>.
3773 def SMLALBB : AMulxyI64<0b0001010, 0b00, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3774 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3775 IIC_iMAC64, "smlalbb", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3776 Requires<[IsARM, HasV5TE]>;
3778 def SMLALBT : AMulxyI64<0b0001010, 0b10, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3779 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3780 IIC_iMAC64, "smlalbt", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3781 Requires<[IsARM, HasV5TE]>;
3783 def SMLALTB : AMulxyI64<0b0001010, 0b01, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3784 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3785 IIC_iMAC64, "smlaltb", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3786 Requires<[IsARM, HasV5TE]>;
3788 def SMLALTT : AMulxyI64<0b0001010, 0b11, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3789 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3790 IIC_iMAC64, "smlaltt", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3791 Requires<[IsARM, HasV5TE]>;
3793 // Helper class for AI_smld.
3794 class AMulDualIbase<bit long, bit sub, bit swap, dag oops, dag iops,
3795 InstrItinClass itin, string opc, string asm>
3796 : AI<oops, iops, MulFrm, itin, opc, asm, []>, Requires<[IsARM, HasV6]> {
3799 let Inst{27-23} = 0b01110;
3800 let Inst{22} = long;
3801 let Inst{21-20} = 0b00;
3802 let Inst{11-8} = Rm;
3809 class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
3810 InstrItinClass itin, string opc, string asm>
3811 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
3813 let Inst{15-12} = 0b1111;
3814 let Inst{19-16} = Rd;
3816 class AMulDualIa<bit long, bit sub, bit swap, dag oops, dag iops,
3817 InstrItinClass itin, string opc, string asm>
3818 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
3821 let Inst{19-16} = Rd;
3822 let Inst{15-12} = Ra;
3824 class AMulDualI64<bit long, bit sub, bit swap, dag oops, dag iops,
3825 InstrItinClass itin, string opc, string asm>
3826 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
3829 let Inst{19-16} = RdHi;
3830 let Inst{15-12} = RdLo;
3833 multiclass AI_smld<bit sub, string opc> {
3835 def D : AMulDualIa<0, sub, 0, (outs GPRnopc:$Rd),
3836 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3837 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm, $Ra">;
3839 def DX: AMulDualIa<0, sub, 1, (outs GPRnopc:$Rd),
3840 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3841 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm, $Ra">;
3843 def LD: AMulDualI64<1, sub, 0, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3844 (ins GPRnopc:$Rn, GPRnopc:$Rm), NoItinerary,
3845 !strconcat(opc, "ld"), "\t$RdLo, $RdHi, $Rn, $Rm">;
3847 def LDX : AMulDualI64<1, sub, 1, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3848 (ins GPRnopc:$Rn, GPRnopc:$Rm), NoItinerary,
3849 !strconcat(opc, "ldx"),"\t$RdLo, $RdHi, $Rn, $Rm">;
3853 defm SMLA : AI_smld<0, "smla">;
3854 defm SMLS : AI_smld<1, "smls">;
3856 multiclass AI_sdml<bit sub, string opc> {
3858 def D:AMulDualI<0, sub, 0, (outs GPRnopc:$Rd), (ins GPRnopc:$Rn, GPRnopc:$Rm),
3859 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm">;
3860 def DX:AMulDualI<0, sub, 1, (outs GPRnopc:$Rd),(ins GPRnopc:$Rn, GPRnopc:$Rm),
3861 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm">;
3864 defm SMUA : AI_sdml<0, "smua">;
3865 defm SMUS : AI_sdml<1, "smus">;
3867 //===----------------------------------------------------------------------===//
3868 // Misc. Arithmetic Instructions.
3871 def CLZ : AMiscA1I<0b000010110, 0b0001, (outs GPR:$Rd), (ins GPR:$Rm),
3872 IIC_iUNAr, "clz", "\t$Rd, $Rm",
3873 [(set GPR:$Rd, (ctlz GPR:$Rm))]>, Requires<[IsARM, HasV5T]>;
3875 def RBIT : AMiscA1I<0b01101111, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
3876 IIC_iUNAr, "rbit", "\t$Rd, $Rm",
3877 [(set GPR:$Rd, (ARMrbit GPR:$Rm))]>,
3878 Requires<[IsARM, HasV6T2]>;
3880 def REV : AMiscA1I<0b01101011, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
3881 IIC_iUNAr, "rev", "\t$Rd, $Rm",
3882 [(set GPR:$Rd, (bswap GPR:$Rm))]>, Requires<[IsARM, HasV6]>;
3884 let AddedComplexity = 5 in
3885 def REV16 : AMiscA1I<0b01101011, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
3886 IIC_iUNAr, "rev16", "\t$Rd, $Rm",
3887 [(set GPR:$Rd, (rotr (bswap GPR:$Rm), (i32 16)))]>,
3888 Requires<[IsARM, HasV6]>;
3890 let AddedComplexity = 5 in
3891 def REVSH : AMiscA1I<0b01101111, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
3892 IIC_iUNAr, "revsh", "\t$Rd, $Rm",
3893 [(set GPR:$Rd, (sra (bswap GPR:$Rm), (i32 16)))]>,
3894 Requires<[IsARM, HasV6]>;
3896 def : ARMV6Pat<(or (sra (shl GPR:$Rm, (i32 24)), (i32 16)),
3897 (and (srl GPR:$Rm, (i32 8)), 0xFF)),
3900 def PKHBT : APKHI<0b01101000, 0, (outs GPRnopc:$Rd),
3901 (ins GPRnopc:$Rn, GPRnopc:$Rm, pkh_lsl_amt:$sh),
3902 IIC_iALUsi, "pkhbt", "\t$Rd, $Rn, $Rm$sh",
3903 [(set GPRnopc:$Rd, (or (and GPRnopc:$Rn, 0xFFFF),
3904 (and (shl GPRnopc:$Rm, pkh_lsl_amt:$sh),
3906 Requires<[IsARM, HasV6]>;
3908 // Alternate cases for PKHBT where identities eliminate some nodes.
3909 def : ARMV6Pat<(or (and GPRnopc:$Rn, 0xFFFF), (and GPRnopc:$Rm, 0xFFFF0000)),
3910 (PKHBT GPRnopc:$Rn, GPRnopc:$Rm, 0)>;
3911 def : ARMV6Pat<(or (and GPRnopc:$Rn, 0xFFFF), (shl GPRnopc:$Rm, imm16_31:$sh)),
3912 (PKHBT GPRnopc:$Rn, GPRnopc:$Rm, imm16_31:$sh)>;
3914 // Note: Shifts of 1-15 bits will be transformed to srl instead of sra and
3915 // will match the pattern below.
3916 def PKHTB : APKHI<0b01101000, 1, (outs GPRnopc:$Rd),
3917 (ins GPRnopc:$Rn, GPRnopc:$Rm, pkh_asr_amt:$sh),
3918 IIC_iBITsi, "pkhtb", "\t$Rd, $Rn, $Rm$sh",
3919 [(set GPRnopc:$Rd, (or (and GPRnopc:$Rn, 0xFFFF0000),
3920 (and (sra GPRnopc:$Rm, pkh_asr_amt:$sh),
3922 Requires<[IsARM, HasV6]>;
3924 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
3925 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
3926 def : ARMV6Pat<(or (and GPRnopc:$src1, 0xFFFF0000),
3927 (srl GPRnopc:$src2, imm16_31:$sh)),
3928 (PKHTB GPRnopc:$src1, GPRnopc:$src2, imm16_31:$sh)>;
3929 def : ARMV6Pat<(or (and GPRnopc:$src1, 0xFFFF0000),
3930 (and (srl GPRnopc:$src2, imm1_15:$sh), 0xFFFF)),
3931 (PKHTB GPRnopc:$src1, GPRnopc:$src2, imm1_15:$sh)>;
3933 //===----------------------------------------------------------------------===//
3934 // Comparison Instructions...
3937 defm CMP : AI1_cmp_irs<0b1010, "cmp",
3938 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
3939 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
3941 // ARMcmpZ can re-use the above instruction definitions.
3942 def : ARMPat<(ARMcmpZ GPR:$src, so_imm:$imm),
3943 (CMPri GPR:$src, so_imm:$imm)>;
3944 def : ARMPat<(ARMcmpZ GPR:$src, GPR:$rhs),
3945 (CMPrr GPR:$src, GPR:$rhs)>;
3946 def : ARMPat<(ARMcmpZ GPR:$src, so_reg_imm:$rhs),
3947 (CMPrsi GPR:$src, so_reg_imm:$rhs)>;
3948 def : ARMPat<(ARMcmpZ GPR:$src, so_reg_reg:$rhs),
3949 (CMPrsr GPR:$src, so_reg_reg:$rhs)>;
3951 // FIXME: We have to be careful when using the CMN instruction and comparison
3952 // with 0. One would expect these two pieces of code should give identical
3968 // However, the CMN gives the *opposite* result when r1 is 0. This is because
3969 // the carry flag is set in the CMP case but not in the CMN case. In short, the
3970 // CMP instruction doesn't perform a truncate of the (logical) NOT of 0 plus the
3971 // value of r0 and the carry bit (because the "carry bit" parameter to
3972 // AddWithCarry is defined as 1 in this case, the carry flag will always be set
3973 // when r0 >= 0). The CMN instruction doesn't perform a NOT of 0 so there is
3974 // never a "carry" when this AddWithCarry is performed (because the "carry bit"
3975 // parameter to AddWithCarry is defined as 0).
3977 // When x is 0 and unsigned:
3981 // ~x + 1 = 0x1 0000 0000
3982 // (-x = 0) != (0x1 0000 0000 = ~x + 1)
3984 // Therefore, we should disable CMN when comparing against zero, until we can
3985 // limit when the CMN instruction is used (when we know that the RHS is not 0 or
3986 // when it's a comparison which doesn't look at the 'carry' flag).
3988 // (See the ARM docs for the "AddWithCarry" pseudo-code.)
3990 // This is related to <rdar://problem/7569620>.
3992 //defm CMN : AI1_cmp_irs<0b1011, "cmn",
3993 // BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
3995 // Note that TST/TEQ don't set all the same flags that CMP does!
3996 defm TST : AI1_cmp_irs<0b1000, "tst",
3997 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
3998 BinOpFrag<(ARMcmpZ (and_su node:$LHS, node:$RHS), 0)>, 1>;
3999 defm TEQ : AI1_cmp_irs<0b1001, "teq",
4000 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
4001 BinOpFrag<(ARMcmpZ (xor_su node:$LHS, node:$RHS), 0)>, 1>;
4003 defm CMNz : AI1_cmp_irs<0b1011, "cmn",
4004 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
4005 BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>>;
4007 //def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
4008 // (CMNri GPR:$src, so_imm_neg:$imm)>;
4010 def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
4011 (CMNzri GPR:$src, so_imm_neg:$imm)>;
4013 // Pseudo i64 compares for some floating point compares.
4014 let usesCustomInserter = 1, isBranch = 1, isTerminator = 1,
4016 def BCCi64 : PseudoInst<(outs),
4017 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, brtarget:$dst),
4019 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, bb:$dst)]>;
4021 def BCCZi64 : PseudoInst<(outs),
4022 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, brtarget:$dst), IIC_Br,
4023 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, 0, 0, bb:$dst)]>;
4024 } // usesCustomInserter
4027 // Conditional moves
4028 // FIXME: should be able to write a pattern for ARMcmov, but can't use
4029 // a two-value operand where a dag node expects two operands. :(
4030 let neverHasSideEffects = 1 in {
4031 def MOVCCr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$false, GPR:$Rm, pred:$p),
4033 [/*(set GPR:$Rd, (ARMcmov GPR:$false, GPR:$Rm, imm:$cc, CCR:$ccr))*/]>,
4034 RegConstraint<"$false = $Rd">;
4035 def MOVCCsi : ARMPseudoInst<(outs GPR:$Rd),
4036 (ins GPR:$false, so_reg_imm:$shift, pred:$p),
4038 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_reg_imm:$shift,
4039 imm:$cc, CCR:$ccr))*/]>,
4040 RegConstraint<"$false = $Rd">;
4041 def MOVCCsr : ARMPseudoInst<(outs GPR:$Rd),
4042 (ins GPR:$false, so_reg_reg:$shift, pred:$p),
4044 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_reg_reg:$shift,
4045 imm:$cc, CCR:$ccr))*/]>,
4046 RegConstraint<"$false = $Rd">;
4049 let isMoveImm = 1 in
4050 def MOVCCi16 : ARMPseudoInst<(outs GPR:$Rd),
4051 (ins GPR:$false, imm0_65535_expr:$imm, pred:$p),
4054 RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>;
4056 let isMoveImm = 1 in
4057 def MOVCCi : ARMPseudoInst<(outs GPR:$Rd),
4058 (ins GPR:$false, so_imm:$imm, pred:$p),
4060 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm:$imm, imm:$cc, CCR:$ccr))*/]>,
4061 RegConstraint<"$false = $Rd">;
4063 // Two instruction predicate mov immediate.
4064 let isMoveImm = 1 in
4065 def MOVCCi32imm : ARMPseudoInst<(outs GPR:$Rd),
4066 (ins GPR:$false, i32imm:$src, pred:$p),
4067 8, IIC_iCMOVix2, []>, RegConstraint<"$false = $Rd">;
4069 let isMoveImm = 1 in
4070 def MVNCCi : ARMPseudoInst<(outs GPR:$Rd),
4071 (ins GPR:$false, so_imm:$imm, pred:$p),
4073 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm_not:$imm, imm:$cc, CCR:$ccr))*/]>,
4074 RegConstraint<"$false = $Rd">;
4076 let isCodeGenOnly = 1 in {
4077 // Conditional instructions
4078 multiclass AsI1_bincc_irs<bits<4> opcod, string opc,
4079 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis> {
4080 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
4081 iii, opc, "\t$Rd, $Rn, $imm", []>,
4082 RegConstraint<"$Rn = $Rd"> {
4087 let Inst{19-16} = Rn;
4088 let Inst{15-12} = Rd;
4089 let Inst{11-0} = imm;
4091 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
4092 iir, opc, "\t$Rd, $Rn, $Rm", []>,
4093 RegConstraint<"$Rn = $Rd"> {
4098 let Inst{19-16} = Rn;
4099 let Inst{15-12} = Rd;
4100 let Inst{11-4} = 0b00000000;
4104 def rsi : AsI1<opcod, (outs GPR:$Rd),
4105 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm,
4106 iis, opc, "\t$Rd, $Rn, $shift", []>,
4107 RegConstraint<"$Rn = $Rd"> {
4112 let Inst{19-16} = Rn;
4113 let Inst{15-12} = Rd;
4114 let Inst{11-5} = shift{11-5};
4116 let Inst{3-0} = shift{3-0};
4119 def rsr : AsI1<opcod, (outs GPR:$Rd),
4120 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm,
4121 iis, opc, "\t$Rd, $Rn, $shift", []>,
4122 RegConstraint<"$Rn = $Rd"> {
4127 let Inst{19-16} = Rn;
4128 let Inst{15-12} = Rd;
4129 let Inst{11-8} = shift{11-8};
4131 let Inst{6-5} = shift{6-5};
4133 let Inst{3-0} = shift{3-0};
4137 defm ANDCC : AsI1_bincc_irs<0b0000, "and", IIC_iBITi, IIC_iBITr, IIC_iBITsr>;
4138 defm ORRCC : AsI1_bincc_irs<0b1100, "orr", IIC_iBITi, IIC_iBITr, IIC_iBITsr>;
4139 defm EORCC : AsI1_bincc_irs<0b0001, "eor", IIC_iBITi, IIC_iBITr, IIC_iBITsr>;
4142 } // neverHasSideEffects
4144 //===----------------------------------------------------------------------===//
4145 // Atomic operations intrinsics
4148 def MemBarrierOptOperand : AsmOperandClass {
4149 let Name = "MemBarrierOpt";
4150 let ParserMethod = "parseMemBarrierOptOperand";
4152 def memb_opt : Operand<i32> {
4153 let PrintMethod = "printMemBOption";
4154 let ParserMatchClass = MemBarrierOptOperand;
4155 let DecoderMethod = "DecodeMemBarrierOption";
4158 // memory barriers protect the atomic sequences
4159 let hasSideEffects = 1 in {
4160 def DMB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
4161 "dmb", "\t$opt", [(ARMMemBarrier (i32 imm:$opt))]>,
4162 Requires<[IsARM, HasDB]> {
4164 let Inst{31-4} = 0xf57ff05;
4165 let Inst{3-0} = opt;
4169 def DSB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
4170 "dsb", "\t$opt", []>,
4171 Requires<[IsARM, HasDB]> {
4173 let Inst{31-4} = 0xf57ff04;
4174 let Inst{3-0} = opt;
4177 // ISB has only full system option
4178 def ISB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
4179 "isb", "\t$opt", []>,
4180 Requires<[IsARM, HasDB]> {
4182 let Inst{31-4} = 0xf57ff06;
4183 let Inst{3-0} = opt;
4186 // Pseudo isntruction that combines movs + predicated rsbmi
4187 // to implement integer ABS
4188 let usesCustomInserter = 1, Defs = [CPSR] in {
4189 def ABS : ARMPseudoInst<
4190 (outs GPR:$dst), (ins GPR:$src),
4191 8, NoItinerary, []>;
4194 let usesCustomInserter = 1 in {
4195 let Defs = [CPSR] in {
4196 def ATOMIC_LOAD_ADD_I8 : PseudoInst<
4197 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4198 [(set GPR:$dst, (atomic_load_add_8 GPR:$ptr, GPR:$incr))]>;
4199 def ATOMIC_LOAD_SUB_I8 : PseudoInst<
4200 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4201 [(set GPR:$dst, (atomic_load_sub_8 GPR:$ptr, GPR:$incr))]>;
4202 def ATOMIC_LOAD_AND_I8 : PseudoInst<
4203 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4204 [(set GPR:$dst, (atomic_load_and_8 GPR:$ptr, GPR:$incr))]>;
4205 def ATOMIC_LOAD_OR_I8 : PseudoInst<
4206 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4207 [(set GPR:$dst, (atomic_load_or_8 GPR:$ptr, GPR:$incr))]>;
4208 def ATOMIC_LOAD_XOR_I8 : PseudoInst<
4209 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4210 [(set GPR:$dst, (atomic_load_xor_8 GPR:$ptr, GPR:$incr))]>;
4211 def ATOMIC_LOAD_NAND_I8 : PseudoInst<
4212 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4213 [(set GPR:$dst, (atomic_load_nand_8 GPR:$ptr, GPR:$incr))]>;
4214 def ATOMIC_LOAD_MIN_I8 : PseudoInst<
4215 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4216 [(set GPR:$dst, (atomic_load_min_8 GPR:$ptr, GPR:$val))]>;
4217 def ATOMIC_LOAD_MAX_I8 : PseudoInst<
4218 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4219 [(set GPR:$dst, (atomic_load_max_8 GPR:$ptr, GPR:$val))]>;
4220 def ATOMIC_LOAD_UMIN_I8 : PseudoInst<
4221 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4222 [(set GPR:$dst, (atomic_load_umin_8 GPR:$ptr, GPR:$val))]>;
4223 def ATOMIC_LOAD_UMAX_I8 : PseudoInst<
4224 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4225 [(set GPR:$dst, (atomic_load_umax_8 GPR:$ptr, GPR:$val))]>;
4226 def ATOMIC_LOAD_ADD_I16 : PseudoInst<
4227 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4228 [(set GPR:$dst, (atomic_load_add_16 GPR:$ptr, GPR:$incr))]>;
4229 def ATOMIC_LOAD_SUB_I16 : PseudoInst<
4230 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4231 [(set GPR:$dst, (atomic_load_sub_16 GPR:$ptr, GPR:$incr))]>;
4232 def ATOMIC_LOAD_AND_I16 : PseudoInst<
4233 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4234 [(set GPR:$dst, (atomic_load_and_16 GPR:$ptr, GPR:$incr))]>;
4235 def ATOMIC_LOAD_OR_I16 : PseudoInst<
4236 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4237 [(set GPR:$dst, (atomic_load_or_16 GPR:$ptr, GPR:$incr))]>;
4238 def ATOMIC_LOAD_XOR_I16 : PseudoInst<
4239 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4240 [(set GPR:$dst, (atomic_load_xor_16 GPR:$ptr, GPR:$incr))]>;
4241 def ATOMIC_LOAD_NAND_I16 : PseudoInst<
4242 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4243 [(set GPR:$dst, (atomic_load_nand_16 GPR:$ptr, GPR:$incr))]>;
4244 def ATOMIC_LOAD_MIN_I16 : PseudoInst<
4245 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4246 [(set GPR:$dst, (atomic_load_min_16 GPR:$ptr, GPR:$val))]>;
4247 def ATOMIC_LOAD_MAX_I16 : PseudoInst<
4248 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4249 [(set GPR:$dst, (atomic_load_max_16 GPR:$ptr, GPR:$val))]>;
4250 def ATOMIC_LOAD_UMIN_I16 : PseudoInst<
4251 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4252 [(set GPR:$dst, (atomic_load_umin_16 GPR:$ptr, GPR:$val))]>;
4253 def ATOMIC_LOAD_UMAX_I16 : PseudoInst<
4254 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4255 [(set GPR:$dst, (atomic_load_umax_16 GPR:$ptr, GPR:$val))]>;
4256 def ATOMIC_LOAD_ADD_I32 : PseudoInst<
4257 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4258 [(set GPR:$dst, (atomic_load_add_32 GPR:$ptr, GPR:$incr))]>;
4259 def ATOMIC_LOAD_SUB_I32 : PseudoInst<
4260 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4261 [(set GPR:$dst, (atomic_load_sub_32 GPR:$ptr, GPR:$incr))]>;
4262 def ATOMIC_LOAD_AND_I32 : PseudoInst<
4263 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4264 [(set GPR:$dst, (atomic_load_and_32 GPR:$ptr, GPR:$incr))]>;
4265 def ATOMIC_LOAD_OR_I32 : PseudoInst<
4266 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4267 [(set GPR:$dst, (atomic_load_or_32 GPR:$ptr, GPR:$incr))]>;
4268 def ATOMIC_LOAD_XOR_I32 : PseudoInst<
4269 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4270 [(set GPR:$dst, (atomic_load_xor_32 GPR:$ptr, GPR:$incr))]>;
4271 def ATOMIC_LOAD_NAND_I32 : PseudoInst<
4272 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4273 [(set GPR:$dst, (atomic_load_nand_32 GPR:$ptr, GPR:$incr))]>;
4274 def ATOMIC_LOAD_MIN_I32 : PseudoInst<
4275 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4276 [(set GPR:$dst, (atomic_load_min_32 GPR:$ptr, GPR:$val))]>;
4277 def ATOMIC_LOAD_MAX_I32 : PseudoInst<
4278 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4279 [(set GPR:$dst, (atomic_load_max_32 GPR:$ptr, GPR:$val))]>;
4280 def ATOMIC_LOAD_UMIN_I32 : PseudoInst<
4281 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4282 [(set GPR:$dst, (atomic_load_umin_32 GPR:$ptr, GPR:$val))]>;
4283 def ATOMIC_LOAD_UMAX_I32 : PseudoInst<
4284 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4285 [(set GPR:$dst, (atomic_load_umax_32 GPR:$ptr, GPR:$val))]>;
4287 def ATOMIC_SWAP_I8 : PseudoInst<
4288 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
4289 [(set GPR:$dst, (atomic_swap_8 GPR:$ptr, GPR:$new))]>;
4290 def ATOMIC_SWAP_I16 : PseudoInst<
4291 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
4292 [(set GPR:$dst, (atomic_swap_16 GPR:$ptr, GPR:$new))]>;
4293 def ATOMIC_SWAP_I32 : PseudoInst<
4294 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
4295 [(set GPR:$dst, (atomic_swap_32 GPR:$ptr, GPR:$new))]>;
4297 def ATOMIC_CMP_SWAP_I8 : PseudoInst<
4298 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
4299 [(set GPR:$dst, (atomic_cmp_swap_8 GPR:$ptr, GPR:$old, GPR:$new))]>;
4300 def ATOMIC_CMP_SWAP_I16 : PseudoInst<
4301 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
4302 [(set GPR:$dst, (atomic_cmp_swap_16 GPR:$ptr, GPR:$old, GPR:$new))]>;
4303 def ATOMIC_CMP_SWAP_I32 : PseudoInst<
4304 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
4305 [(set GPR:$dst, (atomic_cmp_swap_32 GPR:$ptr, GPR:$old, GPR:$new))]>;
4309 let mayLoad = 1 in {
4310 def LDREXB : AIldrex<0b10, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4312 "ldrexb", "\t$Rt, $addr", []>;
4313 def LDREXH : AIldrex<0b11, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4314 NoItinerary, "ldrexh", "\t$Rt, $addr", []>;
4315 def LDREX : AIldrex<0b00, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4316 NoItinerary, "ldrex", "\t$Rt, $addr", []>;
4317 let hasExtraDefRegAllocReq = 1 in
4318 def LDREXD: AIldrex<0b01, (outs GPR:$Rt, GPR:$Rt2),(ins addr_offset_none:$addr),
4319 NoItinerary, "ldrexd", "\t$Rt, $Rt2, $addr", []> {
4320 let DecoderMethod = "DecodeDoubleRegLoad";
4324 let mayStore = 1, Constraints = "@earlyclobber $Rd" in {
4325 def STREXB: AIstrex<0b10, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4326 NoItinerary, "strexb", "\t$Rd, $Rt, $addr", []>;
4327 def STREXH: AIstrex<0b11, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4328 NoItinerary, "strexh", "\t$Rd, $Rt, $addr", []>;
4329 def STREX : AIstrex<0b00, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4330 NoItinerary, "strex", "\t$Rd, $Rt, $addr", []>;
4331 let hasExtraSrcRegAllocReq = 1 in
4332 def STREXD : AIstrex<0b01, (outs GPR:$Rd),
4333 (ins GPR:$Rt, GPR:$Rt2, addr_offset_none:$addr),
4334 NoItinerary, "strexd", "\t$Rd, $Rt, $Rt2, $addr", []> {
4335 let DecoderMethod = "DecodeDoubleRegStore";
4340 def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex", []>,
4341 Requires<[IsARM, HasV7]> {
4342 let Inst{31-0} = 0b11110101011111111111000000011111;
4345 // SWP/SWPB are deprecated in V6/V7.
4346 let mayLoad = 1, mayStore = 1 in {
4347 def SWP : AIswp<0, (outs GPR:$Rt), (ins GPR:$Rt2, addr_offset_none:$addr),
4349 def SWPB: AIswp<1, (outs GPR:$Rt), (ins GPR:$Rt2, addr_offset_none:$addr),
4353 //===----------------------------------------------------------------------===//
4354 // Coprocessor Instructions.
4357 def CDP : ABI<0b1110, (outs), (ins p_imm:$cop, imm0_15:$opc1,
4358 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, imm0_7:$opc2),
4359 NoItinerary, "cdp", "\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
4360 [(int_arm_cdp imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
4361 imm:$CRm, imm:$opc2)]> {
4369 let Inst{3-0} = CRm;
4371 let Inst{7-5} = opc2;
4372 let Inst{11-8} = cop;
4373 let Inst{15-12} = CRd;
4374 let Inst{19-16} = CRn;
4375 let Inst{23-20} = opc1;
4378 def CDP2 : ABXI<0b1110, (outs), (ins p_imm:$cop, imm0_15:$opc1,
4379 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, imm0_7:$opc2),
4380 NoItinerary, "cdp2\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
4381 [(int_arm_cdp2 imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
4382 imm:$CRm, imm:$opc2)]> {
4383 let Inst{31-28} = 0b1111;
4391 let Inst{3-0} = CRm;
4393 let Inst{7-5} = opc2;
4394 let Inst{11-8} = cop;
4395 let Inst{15-12} = CRd;
4396 let Inst{19-16} = CRn;
4397 let Inst{23-20} = opc1;
4400 class ACI<dag oops, dag iops, string opc, string asm,
4401 IndexMode im = IndexModeNone>
4402 : I<oops, iops, AddrModeNone, 4, im, BrFrm, NoItinerary,
4404 let Inst{27-25} = 0b110;
4406 class ACInoP<dag oops, dag iops, string opc, string asm,
4407 IndexMode im = IndexModeNone>
4408 : InoP<oops, iops, AddrModeNone, 4, im, BrFrm, NoItinerary,
4410 let Inst{31-28} = 0b1111;
4411 let Inst{27-25} = 0b110;
4413 multiclass LdStCop<bit load, bit Dbit, string asm> {
4414 def _OFFSET : ACI<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5:$addr),
4415 asm, "\t$cop, $CRd, $addr"> {
4419 let Inst{24} = 1; // P = 1
4420 let Inst{23} = addr{8};
4421 let Inst{22} = Dbit;
4422 let Inst{21} = 0; // W = 0
4423 let Inst{20} = load;
4424 let Inst{19-16} = addr{12-9};
4425 let Inst{15-12} = CRd;
4426 let Inst{11-8} = cop;
4427 let Inst{7-0} = addr{7-0};
4428 let DecoderMethod = "DecodeCopMemInstruction";
4430 def _PRE : ACI<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5:$addr),
4431 asm, "\t$cop, $CRd, $addr!", IndexModePre> {
4435 let Inst{24} = 1; // P = 1
4436 let Inst{23} = addr{8};
4437 let Inst{22} = Dbit;
4438 let Inst{21} = 1; // W = 1
4439 let Inst{20} = load;
4440 let Inst{19-16} = addr{12-9};
4441 let Inst{15-12} = CRd;
4442 let Inst{11-8} = cop;
4443 let Inst{7-0} = addr{7-0};
4444 let DecoderMethod = "DecodeCopMemInstruction";
4446 def _POST: ACI<(outs), (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
4447 postidx_imm8s4:$offset),
4448 asm, "\t$cop, $CRd, $addr, $offset", IndexModePost> {
4453 let Inst{24} = 0; // P = 0
4454 let Inst{23} = offset{8};
4455 let Inst{22} = Dbit;
4456 let Inst{21} = 1; // W = 1
4457 let Inst{20} = load;
4458 let Inst{19-16} = addr;
4459 let Inst{15-12} = CRd;
4460 let Inst{11-8} = cop;
4461 let Inst{7-0} = offset{7-0};
4462 let DecoderMethod = "DecodeCopMemInstruction";
4464 def _OPTION : ACI<(outs),
4465 (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
4466 coproc_option_imm:$option),
4467 asm, "\t$cop, $CRd, $addr, $option"> {
4472 let Inst{24} = 0; // P = 0
4473 let Inst{23} = 1; // U = 1
4474 let Inst{22} = Dbit;
4475 let Inst{21} = 0; // W = 0
4476 let Inst{20} = load;
4477 let Inst{19-16} = addr;
4478 let Inst{15-12} = CRd;
4479 let Inst{11-8} = cop;
4480 let Inst{7-0} = option;
4481 let DecoderMethod = "DecodeCopMemInstruction";
4484 multiclass LdSt2Cop<bit load, bit Dbit, string asm> {
4485 def _OFFSET : ACInoP<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5:$addr),
4486 asm, "\t$cop, $CRd, $addr"> {
4490 let Inst{24} = 1; // P = 1
4491 let Inst{23} = addr{8};
4492 let Inst{22} = Dbit;
4493 let Inst{21} = 0; // W = 0
4494 let Inst{20} = load;
4495 let Inst{19-16} = addr{12-9};
4496 let Inst{15-12} = CRd;
4497 let Inst{11-8} = cop;
4498 let Inst{7-0} = addr{7-0};
4499 let DecoderMethod = "DecodeCopMemInstruction";
4501 def _PRE : ACInoP<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5:$addr),
4502 asm, "\t$cop, $CRd, $addr!", IndexModePre> {
4506 let Inst{24} = 1; // P = 1
4507 let Inst{23} = addr{8};
4508 let Inst{22} = Dbit;
4509 let Inst{21} = 1; // W = 1
4510 let Inst{20} = load;
4511 let Inst{19-16} = addr{12-9};
4512 let Inst{15-12} = CRd;
4513 let Inst{11-8} = cop;
4514 let Inst{7-0} = addr{7-0};
4515 let DecoderMethod = "DecodeCopMemInstruction";
4517 def _POST: ACInoP<(outs), (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
4518 postidx_imm8s4:$offset),
4519 asm, "\t$cop, $CRd, $addr, $offset", IndexModePost> {
4524 let Inst{24} = 0; // P = 0
4525 let Inst{23} = offset{8};
4526 let Inst{22} = Dbit;
4527 let Inst{21} = 1; // W = 1
4528 let Inst{20} = load;
4529 let Inst{19-16} = addr;
4530 let Inst{15-12} = CRd;
4531 let Inst{11-8} = cop;
4532 let Inst{7-0} = offset{7-0};
4533 let DecoderMethod = "DecodeCopMemInstruction";
4535 def _OPTION : ACInoP<(outs),
4536 (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
4537 coproc_option_imm:$option),
4538 asm, "\t$cop, $CRd, $addr, $option"> {
4543 let Inst{24} = 0; // P = 0
4544 let Inst{23} = 1; // U = 1
4545 let Inst{22} = Dbit;
4546 let Inst{21} = 0; // W = 0
4547 let Inst{20} = load;
4548 let Inst{19-16} = addr;
4549 let Inst{15-12} = CRd;
4550 let Inst{11-8} = cop;
4551 let Inst{7-0} = option;
4552 let DecoderMethod = "DecodeCopMemInstruction";
4556 defm LDC : LdStCop <1, 0, "ldc">;
4557 defm LDCL : LdStCop <1, 1, "ldcl">;
4558 defm STC : LdStCop <0, 0, "stc">;
4559 defm STCL : LdStCop <0, 1, "stcl">;
4560 defm LDC2 : LdSt2Cop<1, 0, "ldc2">;
4561 defm LDC2L : LdSt2Cop<1, 1, "ldc2l">;
4562 defm STC2 : LdSt2Cop<0, 0, "stc2">;
4563 defm STC2L : LdSt2Cop<0, 1, "stc2l">;
4565 //===----------------------------------------------------------------------===//
4566 // Move between coprocessor and ARM core register.
4569 class MovRCopro<string opc, bit direction, dag oops, dag iops,
4571 : ABI<0b1110, oops, iops, NoItinerary, opc,
4572 "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2", pattern> {
4573 let Inst{20} = direction;
4583 let Inst{15-12} = Rt;
4584 let Inst{11-8} = cop;
4585 let Inst{23-21} = opc1;
4586 let Inst{7-5} = opc2;
4587 let Inst{3-0} = CRm;
4588 let Inst{19-16} = CRn;
4591 def MCR : MovRCopro<"mcr", 0 /* from ARM core register to coprocessor */,
4593 (ins p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
4594 c_imm:$CRm, imm0_7:$opc2),
4595 [(int_arm_mcr imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
4596 imm:$CRm, imm:$opc2)]>;
4597 def MRC : MovRCopro<"mrc", 1 /* from coprocessor to ARM core register */,
4599 (ins p_imm:$cop, imm0_7:$opc1, c_imm:$CRn, c_imm:$CRm,
4602 def : ARMPat<(int_arm_mrc imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2),
4603 (MRC imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
4605 class MovRCopro2<string opc, bit direction, dag oops, dag iops,
4607 : ABXI<0b1110, oops, iops, NoItinerary,
4608 !strconcat(opc, "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2"), pattern> {
4609 let Inst{31-28} = 0b1111;
4610 let Inst{20} = direction;
4620 let Inst{15-12} = Rt;
4621 let Inst{11-8} = cop;
4622 let Inst{23-21} = opc1;
4623 let Inst{7-5} = opc2;
4624 let Inst{3-0} = CRm;
4625 let Inst{19-16} = CRn;
4628 def MCR2 : MovRCopro2<"mcr2", 0 /* from ARM core register to coprocessor */,
4630 (ins p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
4631 c_imm:$CRm, imm0_7:$opc2),
4632 [(int_arm_mcr2 imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
4633 imm:$CRm, imm:$opc2)]>;
4634 def MRC2 : MovRCopro2<"mrc2", 1 /* from coprocessor to ARM core register */,
4636 (ins p_imm:$cop, imm0_7:$opc1, c_imm:$CRn, c_imm:$CRm,
4639 def : ARMV5TPat<(int_arm_mrc2 imm:$cop, imm:$opc1, imm:$CRn,
4640 imm:$CRm, imm:$opc2),
4641 (MRC2 imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
4643 class MovRRCopro<string opc, bit direction, list<dag> pattern = []>
4644 : ABI<0b1100, (outs), (ins p_imm:$cop, imm0_15:$opc1,
4645 GPR:$Rt, GPR:$Rt2, c_imm:$CRm),
4646 NoItinerary, opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm", pattern> {
4647 let Inst{23-21} = 0b010;
4648 let Inst{20} = direction;
4656 let Inst{15-12} = Rt;
4657 let Inst{19-16} = Rt2;
4658 let Inst{11-8} = cop;
4659 let Inst{7-4} = opc1;
4660 let Inst{3-0} = CRm;
4663 def MCRR : MovRRCopro<"mcrr", 0 /* from ARM core register to coprocessor */,
4664 [(int_arm_mcrr imm:$cop, imm:$opc1, GPR:$Rt, GPR:$Rt2,
4666 def MRRC : MovRRCopro<"mrrc", 1 /* from coprocessor to ARM core register */>;
4668 class MovRRCopro2<string opc, bit direction, list<dag> pattern = []>
4669 : ABXI<0b1100, (outs), (ins p_imm:$cop, imm0_15:$opc1,
4670 GPR:$Rt, GPR:$Rt2, c_imm:$CRm), NoItinerary,
4671 !strconcat(opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm"), pattern> {
4672 let Inst{31-28} = 0b1111;
4673 let Inst{23-21} = 0b010;
4674 let Inst{20} = direction;
4682 let Inst{15-12} = Rt;
4683 let Inst{19-16} = Rt2;
4684 let Inst{11-8} = cop;
4685 let Inst{7-4} = opc1;
4686 let Inst{3-0} = CRm;
4689 def MCRR2 : MovRRCopro2<"mcrr2", 0 /* from ARM core register to coprocessor */,
4690 [(int_arm_mcrr2 imm:$cop, imm:$opc1, GPR:$Rt, GPR:$Rt2,
4692 def MRRC2 : MovRRCopro2<"mrrc2", 1 /* from coprocessor to ARM core register */>;
4694 //===----------------------------------------------------------------------===//
4695 // Move between special register and ARM core register
4698 // Move to ARM core register from Special Register
4699 def MRS : ABI<0b0001, (outs GPR:$Rd), (ins), NoItinerary,
4700 "mrs", "\t$Rd, apsr", []> {
4702 let Inst{23-16} = 0b00001111;
4703 let Inst{15-12} = Rd;
4704 let Inst{7-4} = 0b0000;
4707 def : InstAlias<"mrs${p} $Rd, cpsr", (MRS GPR:$Rd, pred:$p)>, Requires<[IsARM]>;
4709 def MRSsys : ABI<0b0001, (outs GPR:$Rd), (ins), NoItinerary,
4710 "mrs", "\t$Rd, spsr", []> {
4712 let Inst{23-16} = 0b01001111;
4713 let Inst{15-12} = Rd;
4714 let Inst{7-4} = 0b0000;
4717 // Move from ARM core register to Special Register
4719 // No need to have both system and application versions, the encodings are the
4720 // same and the assembly parser has no way to distinguish between them. The mask
4721 // operand contains the special register (R Bit) in bit 4 and bits 3-0 contains
4722 // the mask with the fields to be accessed in the special register.
4723 def MSR : ABI<0b0001, (outs), (ins msr_mask:$mask, GPR:$Rn), NoItinerary,
4724 "msr", "\t$mask, $Rn", []> {
4729 let Inst{22} = mask{4}; // R bit
4730 let Inst{21-20} = 0b10;
4731 let Inst{19-16} = mask{3-0};
4732 let Inst{15-12} = 0b1111;
4733 let Inst{11-4} = 0b00000000;
4737 def MSRi : ABI<0b0011, (outs), (ins msr_mask:$mask, so_imm:$a), NoItinerary,
4738 "msr", "\t$mask, $a", []> {
4743 let Inst{22} = mask{4}; // R bit
4744 let Inst{21-20} = 0b10;
4745 let Inst{19-16} = mask{3-0};
4746 let Inst{15-12} = 0b1111;
4750 //===----------------------------------------------------------------------===//
4754 // __aeabi_read_tp preserves the registers r1-r3.
4755 // This is a pseudo inst so that we can get the encoding right,
4756 // complete with fixup for the aeabi_read_tp function.
4758 Defs = [R0, R12, LR, CPSR], Uses = [SP] in {
4759 def TPsoft : PseudoInst<(outs), (ins), IIC_Br,
4760 [(set R0, ARMthread_pointer)]>;
4763 //===----------------------------------------------------------------------===//
4764 // SJLJ Exception handling intrinsics
4765 // eh_sjlj_setjmp() is an instruction sequence to store the return
4766 // address and save #0 in R0 for the non-longjmp case.
4767 // Since by its nature we may be coming from some other function to get
4768 // here, and we're using the stack frame for the containing function to
4769 // save/restore registers, we can't keep anything live in regs across
4770 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
4771 // when we get here from a longjmp(). We force everything out of registers
4772 // except for our own input by listing the relevant registers in Defs. By
4773 // doing so, we also cause the prologue/epilogue code to actively preserve
4774 // all of the callee-saved resgisters, which is exactly what we want.
4775 // A constant value is passed in $val, and we use the location as a scratch.
4777 // These are pseudo-instructions and are lowered to individual MC-insts, so
4778 // no encoding information is necessary.
4780 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR,
4781 Q0, Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8, Q9, Q10, Q11, Q12, Q13, Q14, Q15 ],
4782 hasSideEffects = 1, isBarrier = 1, usesCustomInserter = 1 in {
4783 def Int_eh_sjlj_setjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
4785 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
4786 Requires<[IsARM, HasVFP2]>;
4790 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR ],
4791 hasSideEffects = 1, isBarrier = 1, usesCustomInserter = 1 in {
4792 def Int_eh_sjlj_setjmp_nofp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
4794 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
4795 Requires<[IsARM, NoVFP]>;
4798 // FIXME: Non-IOS version(s)
4799 let isBarrier = 1, hasSideEffects = 1, isTerminator = 1,
4800 Defs = [ R7, LR, SP ] in {
4801 def Int_eh_sjlj_longjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$scratch),
4803 [(ARMeh_sjlj_longjmp GPR:$src, GPR:$scratch)]>,
4804 Requires<[IsARM, IsIOS]>;
4807 // eh.sjlj.dispatchsetup pseudo-instructions.
4808 // These pseudos are used for both ARM and Thumb2. Any differences are
4809 // handled when the pseudo is expanded (which happens before any passes
4810 // that need the instruction size).
4812 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR,
4813 Q0, Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8, Q9, Q10, Q11, Q12, Q13, Q14, Q15 ],
4815 def Int_eh_sjlj_dispatchsetup : PseudoInst<(outs), (ins), NoItinerary, []>;
4818 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR ],
4820 def Int_eh_sjlj_dispatchsetup_nofp : PseudoInst<(outs), (ins), NoItinerary, []>;
4823 //===----------------------------------------------------------------------===//
4824 // Non-Instruction Patterns
4827 // ARMv4 indirect branch using (MOVr PC, dst)
4828 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in
4829 def MOVPCRX : ARMPseudoExpand<(outs), (ins GPR:$dst),
4830 4, IIC_Br, [(brind GPR:$dst)],
4831 (MOVr PC, GPR:$dst, (ops 14, zero_reg), zero_reg)>,
4832 Requires<[IsARM, NoV4T]>;
4834 // Large immediate handling.
4836 // 32-bit immediate using two piece so_imms or movw + movt.
4837 // This is a single pseudo instruction, the benefit is that it can be remat'd
4838 // as a single unit instead of having to handle reg inputs.
4839 // FIXME: Remove this when we can do generalized remat.
4840 let isReMaterializable = 1, isMoveImm = 1 in
4841 def MOVi32imm : PseudoInst<(outs GPR:$dst), (ins i32imm:$src), IIC_iMOVix2,
4842 [(set GPR:$dst, (arm_i32imm:$src))]>,
4845 // Pseudo instruction that combines movw + movt + add pc (if PIC).
4846 // It also makes it possible to rematerialize the instructions.
4847 // FIXME: Remove this when we can do generalized remat and when machine licm
4848 // can properly the instructions.
4849 let isReMaterializable = 1 in {
4850 def MOV_ga_pcrel : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
4852 [(set GPR:$dst, (ARMWrapperPIC tglobaladdr:$addr))]>,
4853 Requires<[IsARM, UseMovt]>;
4855 def MOV_ga_dyn : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
4857 [(set GPR:$dst, (ARMWrapperDYN tglobaladdr:$addr))]>,
4858 Requires<[IsARM, UseMovt]>;
4860 let AddedComplexity = 10 in
4861 def MOV_ga_pcrel_ldr : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
4863 [(set GPR:$dst, (load (ARMWrapperPIC tglobaladdr:$addr)))]>,
4864 Requires<[IsARM, UseMovt]>;
4865 } // isReMaterializable
4867 // ConstantPool, GlobalAddress, and JumpTable
4868 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>,
4869 Requires<[IsARM, DontUseMovt]>;
4870 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
4871 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
4872 Requires<[IsARM, UseMovt]>;
4873 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
4874 (LEApcrelJT tjumptable:$dst, imm:$id)>;
4876 // TODO: add,sub,and, 3-instr forms?
4879 def : ARMPat<(ARMtcret tcGPR:$dst),
4880 (TCRETURNri tcGPR:$dst)>, Requires<[IsIOS]>;
4882 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
4883 (TCRETURNdi texternalsym:$dst)>, Requires<[IsIOS]>;
4885 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
4886 (TCRETURNdi texternalsym:$dst)>, Requires<[IsIOS]>;
4888 def : ARMPat<(ARMtcret tcGPR:$dst),
4889 (TCRETURNriND tcGPR:$dst)>, Requires<[IsNotIOS]>;
4891 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
4892 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotIOS]>;
4894 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
4895 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotIOS]>;
4898 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>,
4899 Requires<[IsARM, IsNotIOS]>;
4900 def : ARMPat<(ARMcall texternalsym:$func), (BLr9 texternalsym:$func)>,
4901 Requires<[IsARM, IsIOS]>;
4903 // zextload i1 -> zextload i8
4904 def : ARMPat<(zextloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
4905 def : ARMPat<(zextloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
4907 // extload -> zextload
4908 def : ARMPat<(extloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
4909 def : ARMPat<(extloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
4910 def : ARMPat<(extloadi8 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
4911 def : ARMPat<(extloadi8 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
4913 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
4915 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
4916 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
4919 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
4920 (sra (shl GPR:$b, (i32 16)), (i32 16))),
4921 (SMULBB GPR:$a, GPR:$b)>;
4922 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
4923 (SMULBB GPR:$a, GPR:$b)>;
4924 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
4925 (sra GPR:$b, (i32 16))),
4926 (SMULBT GPR:$a, GPR:$b)>;
4927 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
4928 (SMULBT GPR:$a, GPR:$b)>;
4929 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
4930 (sra (shl GPR:$b, (i32 16)), (i32 16))),
4931 (SMULTB GPR:$a, GPR:$b)>;
4932 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
4933 (SMULTB GPR:$a, GPR:$b)>;
4934 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
4936 (SMULWB GPR:$a, GPR:$b)>;
4937 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
4938 (SMULWB GPR:$a, GPR:$b)>;
4940 def : ARMV5TEPat<(add GPR:$acc,
4941 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
4942 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
4943 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
4944 def : ARMV5TEPat<(add GPR:$acc,
4945 (mul sext_16_node:$a, sext_16_node:$b)),
4946 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
4947 def : ARMV5TEPat<(add GPR:$acc,
4948 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
4949 (sra GPR:$b, (i32 16)))),
4950 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
4951 def : ARMV5TEPat<(add GPR:$acc,
4952 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
4953 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
4954 def : ARMV5TEPat<(add GPR:$acc,
4955 (mul (sra GPR:$a, (i32 16)),
4956 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
4957 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
4958 def : ARMV5TEPat<(add GPR:$acc,
4959 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
4960 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
4961 def : ARMV5TEPat<(add GPR:$acc,
4962 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
4964 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
4965 def : ARMV5TEPat<(add GPR:$acc,
4966 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
4967 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
4970 // Pre-v7 uses MCR for synchronization barriers.
4971 def : ARMPat<(ARMMemBarrierMCR GPR:$zero), (MCR 15, 0, GPR:$zero, 7, 10, 5)>,
4972 Requires<[IsARM, HasV6]>;
4974 // SXT/UXT with no rotate
4975 let AddedComplexity = 16 in {
4976 def : ARMV6Pat<(and GPR:$Src, 0x000000FF), (UXTB GPR:$Src, 0)>;
4977 def : ARMV6Pat<(and GPR:$Src, 0x0000FFFF), (UXTH GPR:$Src, 0)>;
4978 def : ARMV6Pat<(and GPR:$Src, 0x00FF00FF), (UXTB16 GPR:$Src, 0)>;
4979 def : ARMV6Pat<(add GPR:$Rn, (and GPR:$Rm, 0x00FF)),
4980 (UXTAB GPR:$Rn, GPR:$Rm, 0)>;
4981 def : ARMV6Pat<(add GPR:$Rn, (and GPR:$Rm, 0xFFFF)),
4982 (UXTAH GPR:$Rn, GPR:$Rm, 0)>;
4985 def : ARMV6Pat<(sext_inreg GPR:$Src, i8), (SXTB GPR:$Src, 0)>;
4986 def : ARMV6Pat<(sext_inreg GPR:$Src, i16), (SXTH GPR:$Src, 0)>;
4988 def : ARMV6Pat<(add GPR:$Rn, (sext_inreg GPRnopc:$Rm, i8)),
4989 (SXTAB GPR:$Rn, GPRnopc:$Rm, 0)>;
4990 def : ARMV6Pat<(add GPR:$Rn, (sext_inreg GPRnopc:$Rm, i16)),
4991 (SXTAH GPR:$Rn, GPRnopc:$Rm, 0)>;
4993 // Atomic load/store patterns
4994 def : ARMPat<(atomic_load_8 ldst_so_reg:$src),
4995 (LDRBrs ldst_so_reg:$src)>;
4996 def : ARMPat<(atomic_load_8 addrmode_imm12:$src),
4997 (LDRBi12 addrmode_imm12:$src)>;
4998 def : ARMPat<(atomic_load_16 addrmode3:$src),
4999 (LDRH addrmode3:$src)>;
5000 def : ARMPat<(atomic_load_32 ldst_so_reg:$src),
5001 (LDRrs ldst_so_reg:$src)>;
5002 def : ARMPat<(atomic_load_32 addrmode_imm12:$src),
5003 (LDRi12 addrmode_imm12:$src)>;
5004 def : ARMPat<(atomic_store_8 ldst_so_reg:$ptr, GPR:$val),
5005 (STRBrs GPR:$val, ldst_so_reg:$ptr)>;
5006 def : ARMPat<(atomic_store_8 addrmode_imm12:$ptr, GPR:$val),
5007 (STRBi12 GPR:$val, addrmode_imm12:$ptr)>;
5008 def : ARMPat<(atomic_store_16 addrmode3:$ptr, GPR:$val),
5009 (STRH GPR:$val, addrmode3:$ptr)>;
5010 def : ARMPat<(atomic_store_32 ldst_so_reg:$ptr, GPR:$val),
5011 (STRrs GPR:$val, ldst_so_reg:$ptr)>;
5012 def : ARMPat<(atomic_store_32 addrmode_imm12:$ptr, GPR:$val),
5013 (STRi12 GPR:$val, addrmode_imm12:$ptr)>;
5016 //===----------------------------------------------------------------------===//
5020 include "ARMInstrThumb.td"
5022 //===----------------------------------------------------------------------===//
5026 include "ARMInstrThumb2.td"
5028 //===----------------------------------------------------------------------===//
5029 // Floating Point Support
5032 include "ARMInstrVFP.td"
5034 //===----------------------------------------------------------------------===//
5035 // Advanced SIMD (NEON) Support
5038 include "ARMInstrNEON.td"
5040 //===----------------------------------------------------------------------===//
5041 // Assembler aliases
5045 def : InstAlias<"dmb", (DMB 0xf)>, Requires<[IsARM, HasDB]>;
5046 def : InstAlias<"dsb", (DSB 0xf)>, Requires<[IsARM, HasDB]>;
5047 def : InstAlias<"isb", (ISB 0xf)>, Requires<[IsARM, HasDB]>;
5049 // System instructions
5050 def : MnemonicAlias<"swi", "svc">;
5052 // Load / Store Multiple
5053 def : MnemonicAlias<"ldmfd", "ldm">;
5054 def : MnemonicAlias<"ldmia", "ldm">;
5055 def : MnemonicAlias<"ldmea", "ldmdb">;
5056 def : MnemonicAlias<"stmfd", "stmdb">;
5057 def : MnemonicAlias<"stmia", "stm">;
5058 def : MnemonicAlias<"stmea", "stm">;
5060 // PKHBT/PKHTB with default shift amount. PKHTB is equivalent to PKHBT when the
5061 // shift amount is zero (i.e., unspecified).
5062 def : InstAlias<"pkhbt${p} $Rd, $Rn, $Rm",
5063 (PKHBT GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, 0, pred:$p)>,
5064 Requires<[IsARM, HasV6]>;
5065 def : InstAlias<"pkhtb${p} $Rd, $Rn, $Rm",
5066 (PKHBT GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, 0, pred:$p)>,
5067 Requires<[IsARM, HasV6]>;
5069 // PUSH/POP aliases for STM/LDM
5070 def : ARMInstAlias<"push${p} $regs", (STMDB_UPD SP, pred:$p, reglist:$regs)>;
5071 def : ARMInstAlias<"pop${p} $regs", (LDMIA_UPD SP, pred:$p, reglist:$regs)>;
5073 // SSAT/USAT optional shift operand.
5074 def : ARMInstAlias<"ssat${p} $Rd, $sat_imm, $Rn",
5075 (SSAT GPRnopc:$Rd, imm1_32:$sat_imm, GPRnopc:$Rn, 0, pred:$p)>;
5076 def : ARMInstAlias<"usat${p} $Rd, $sat_imm, $Rn",
5077 (USAT GPRnopc:$Rd, imm0_31:$sat_imm, GPRnopc:$Rn, 0, pred:$p)>;
5080 // Extend instruction optional rotate operand.
5081 def : ARMInstAlias<"sxtab${p} $Rd, $Rn, $Rm",
5082 (SXTAB GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5083 def : ARMInstAlias<"sxtah${p} $Rd, $Rn, $Rm",
5084 (SXTAH GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5085 def : ARMInstAlias<"sxtab16${p} $Rd, $Rn, $Rm",
5086 (SXTAB16 GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5087 def : ARMInstAlias<"sxtb${p} $Rd, $Rm",
5088 (SXTB GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5089 def : ARMInstAlias<"sxtb16${p} $Rd, $Rm",
5090 (SXTB16 GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5091 def : ARMInstAlias<"sxth${p} $Rd, $Rm",
5092 (SXTH GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5094 def : ARMInstAlias<"uxtab${p} $Rd, $Rn, $Rm",
5095 (UXTAB GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5096 def : ARMInstAlias<"uxtah${p} $Rd, $Rn, $Rm",
5097 (UXTAH GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5098 def : ARMInstAlias<"uxtab16${p} $Rd, $Rn, $Rm",
5099 (UXTAB16 GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5100 def : ARMInstAlias<"uxtb${p} $Rd, $Rm",
5101 (UXTB GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5102 def : ARMInstAlias<"uxtb16${p} $Rd, $Rm",
5103 (UXTB16 GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5104 def : ARMInstAlias<"uxth${p} $Rd, $Rm",
5105 (UXTH GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5109 def : MnemonicAlias<"rfefa", "rfeda">;
5110 def : MnemonicAlias<"rfeea", "rfedb">;
5111 def : MnemonicAlias<"rfefd", "rfeia">;
5112 def : MnemonicAlias<"rfeed", "rfeib">;
5113 def : MnemonicAlias<"rfe", "rfeia">;
5116 def : MnemonicAlias<"srsfa", "srsda">;
5117 def : MnemonicAlias<"srsea", "srsdb">;
5118 def : MnemonicAlias<"srsfd", "srsia">;
5119 def : MnemonicAlias<"srsed", "srsib">;
5120 def : MnemonicAlias<"srs", "srsia">;
5123 def : MnemonicAlias<"qsubaddx", "qsax">;
5125 def : MnemonicAlias<"saddsubx", "sasx">;
5126 // SHASX == SHADDSUBX
5127 def : MnemonicAlias<"shaddsubx", "shasx">;
5128 // SHSAX == SHSUBADDX
5129 def : MnemonicAlias<"shsubaddx", "shsax">;
5131 def : MnemonicAlias<"ssubaddx", "ssax">;
5133 def : MnemonicAlias<"uaddsubx", "uasx">;
5134 // UHASX == UHADDSUBX
5135 def : MnemonicAlias<"uhaddsubx", "uhasx">;
5136 // UHSAX == UHSUBADDX
5137 def : MnemonicAlias<"uhsubaddx", "uhsax">;
5138 // UQASX == UQADDSUBX
5139 def : MnemonicAlias<"uqaddsubx", "uqasx">;
5140 // UQSAX == UQSUBADDX
5141 def : MnemonicAlias<"uqsubaddx", "uqsax">;
5143 def : MnemonicAlias<"usubaddx", "usax">;
5145 // "mov Rd, so_imm_not" can be handled via "mvn" in assembly, just like
5147 def : ARMInstAlias<"mov${s}${p} $Rd, $imm",
5148 (MVNi rGPR:$Rd, so_imm_not:$imm, pred:$p, cc_out:$s)>;
5149 def : ARMInstAlias<"mvn${s}${p} $Rd, $imm",
5150 (MOVi rGPR:$Rd, so_imm_not:$imm, pred:$p, cc_out:$s)>;
5151 // Same for AND <--> BIC
5152 def : ARMInstAlias<"bic${s}${p} $Rd, $Rn, $imm",
5153 (ANDri rGPR:$Rd, rGPR:$Rn, so_imm_not:$imm,
5154 pred:$p, cc_out:$s)>;
5155 def : ARMInstAlias<"bic${s}${p} $Rdn, $imm",
5156 (ANDri rGPR:$Rdn, rGPR:$Rdn, so_imm_not:$imm,
5157 pred:$p, cc_out:$s)>;
5158 def : ARMInstAlias<"and${s}${p} $Rd, $Rn, $imm",
5159 (BICri rGPR:$Rd, rGPR:$Rn, so_imm_not:$imm,
5160 pred:$p, cc_out:$s)>;
5161 def : ARMInstAlias<"and${s}${p} $Rdn, $imm",
5162 (BICri rGPR:$Rdn, rGPR:$Rdn, so_imm_not:$imm,
5163 pred:$p, cc_out:$s)>;
5165 // Likewise, "add Rd, so_imm_neg" -> sub
5166 def : ARMInstAlias<"add${s}${p} $Rd, $Rn, $imm",
5167 (SUBri GPR:$Rd, GPR:$Rn, so_imm_neg:$imm, pred:$p, cc_out:$s)>;
5168 def : ARMInstAlias<"add${s}${p} $Rd, $imm",
5169 (SUBri GPR:$Rd, GPR:$Rd, so_imm_neg:$imm, pred:$p, cc_out:$s)>;
5170 // Same for CMP <--> CMN via so_imm_neg
5171 def : ARMInstAlias<"cmp${p} $Rd, $imm",
5172 (CMNzri rGPR:$Rd, so_imm_neg:$imm, pred:$p)>;
5173 def : ARMInstAlias<"cmn${p} $Rd, $imm",
5174 (CMPri rGPR:$Rd, so_imm_neg:$imm, pred:$p)>;
5176 // The shifter forms of the MOV instruction are aliased to the ASR, LSL,
5177 // LSR, ROR, and RRX instructions.
5178 // FIXME: We need C++ parser hooks to map the alias to the MOV
5179 // encoding. It seems we should be able to do that sort of thing
5180 // in tblgen, but it could get ugly.
5181 def ASRi : ARMAsmPseudo<"asr${s}${p} $Rd, $Rm, $imm",
5182 (ins GPR:$Rd, GPR:$Rm, imm0_32:$imm, pred:$p,
5184 def LSRi : ARMAsmPseudo<"lsr${s}${p} $Rd, $Rm, $imm",
5185 (ins GPR:$Rd, GPR:$Rm, imm0_32:$imm, pred:$p,
5187 def LSLi : ARMAsmPseudo<"lsl${s}${p} $Rd, $Rm, $imm",
5188 (ins GPR:$Rd, GPR:$Rm, imm0_31:$imm, pred:$p,
5190 def RORi : ARMAsmPseudo<"ror${s}${p} $Rd, $Rm, $imm",
5191 (ins GPR:$Rd, GPR:$Rm, imm0_31:$imm, pred:$p,
5193 def RRXi : ARMAsmPseudo<"rrx${s}${p} $Rd, $Rm",
5194 (ins GPRnopc:$Rd, GPRnopc:$Rm, pred:$p, cc_out:$s)>;
5195 def ASRr : ARMAsmPseudo<"asr${s}${p} $Rd, $Rn, $Rm",
5196 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5198 def LSRr : ARMAsmPseudo<"lsr${s}${p} $Rd, $Rn, $Rm",
5199 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5201 def LSLr : ARMAsmPseudo<"lsl${s}${p} $Rd, $Rn, $Rm",
5202 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5204 def RORr : ARMAsmPseudo<"ror${s}${p} $Rd, $Rn, $Rm",
5205 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5207 // shifter instructions also support a two-operand form.
5208 def : ARMInstAlias<"asr${s}${p} $Rm, $imm",
5209 (ASRi GPR:$Rm, GPR:$Rm, imm0_32:$imm, pred:$p, cc_out:$s)>;
5210 def : ARMInstAlias<"lsr${s}${p} $Rm, $imm",
5211 (LSRi GPR:$Rm, GPR:$Rm, imm0_32:$imm, pred:$p, cc_out:$s)>;
5212 def : ARMInstAlias<"lsl${s}${p} $Rm, $imm",
5213 (LSLi GPR:$Rm, GPR:$Rm, imm0_31:$imm, pred:$p, cc_out:$s)>;
5214 def : ARMInstAlias<"ror${s}${p} $Rm, $imm",
5215 (RORi GPR:$Rm, GPR:$Rm, imm0_31:$imm, pred:$p, cc_out:$s)>;
5216 def : ARMInstAlias<"asr${s}${p} $Rn, $Rm",
5217 (ASRr GPRnopc:$Rn, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5219 def : ARMInstAlias<"lsr${s}${p} $Rn, $Rm",
5220 (LSRr GPRnopc:$Rn, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5222 def : ARMInstAlias<"lsl${s}${p} $Rn, $Rm",
5223 (LSLr GPRnopc:$Rn, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5225 def : ARMInstAlias<"ror${s}${p} $Rn, $Rm",
5226 (RORr GPRnopc:$Rn, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5230 // 'mul' instruction can be specified with only two operands.
5231 def : ARMInstAlias<"mul${s}${p} $Rn, $Rm",
5232 (MUL rGPR:$Rn, rGPR:$Rm, rGPR:$Rn, pred:$p, cc_out:$s)>;
5234 // "neg" is and alias for "rsb rd, rn, #0"
5235 def : ARMInstAlias<"neg${s}${p} $Rd, $Rm",
5236 (RSBri GPR:$Rd, GPR:$Rm, 0, pred:$p, cc_out:$s)>;
5238 // 'it' blocks in ARM mode just validate the predicates. The IT itself
5240 def ITasm : ARMAsmPseudo<"it$mask $cc", (ins it_pred:$cc, it_mask:$mask)>;