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_ARMEH_SJLJ_DispatchSetup: SDTypeProfile<0, 1, [SDTCisInt<0>]>;
63 def SDT_ARMMEMBARRIER : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
65 def SDT_ARMPREFETCH : SDTypeProfile<0, 3, [SDTCisPtrTy<0>, SDTCisSameAs<1, 2>,
68 def SDT_ARMTCRET : SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>;
70 def SDT_ARMBFI : SDTypeProfile<1, 3, [SDTCisVT<0, i32>, SDTCisVT<1, i32>,
71 SDTCisVT<2, i32>, SDTCisVT<3, i32>]>;
73 def SDTBinaryArithWithFlags : SDTypeProfile<2, 2,
76 SDTCisInt<0>, SDTCisVT<1, i32>]>;
78 // SDTBinaryArithWithFlagsInOut - RES1, CPSR = op LHS, RHS, CPSR
79 def SDTBinaryArithWithFlagsInOut : SDTypeProfile<2, 3,
86 def ARMWrapper : SDNode<"ARMISD::Wrapper", SDTIntUnaryOp>;
87 def ARMWrapperDYN : SDNode<"ARMISD::WrapperDYN", SDTIntUnaryOp>;
88 def ARMWrapperPIC : SDNode<"ARMISD::WrapperPIC", SDTIntUnaryOp>;
89 def ARMWrapperJT : SDNode<"ARMISD::WrapperJT", SDTIntBinOp>;
91 def ARMcallseq_start : SDNode<"ISD::CALLSEQ_START", SDT_ARMCallSeqStart,
92 [SDNPHasChain, SDNPOutGlue]>;
93 def ARMcallseq_end : SDNode<"ISD::CALLSEQ_END", SDT_ARMCallSeqEnd,
94 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue]>;
96 def ARMcall : SDNode<"ARMISD::CALL", SDT_ARMcall,
97 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
99 def ARMcall_pred : SDNode<"ARMISD::CALL_PRED", SDT_ARMcall,
100 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
102 def ARMcall_nolink : SDNode<"ARMISD::CALL_NOLINK", SDT_ARMcall,
103 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
106 def ARMretflag : SDNode<"ARMISD::RET_FLAG", SDTNone,
107 [SDNPHasChain, SDNPOptInGlue]>;
109 def ARMcmov : SDNode<"ARMISD::CMOV", SDT_ARMCMov,
112 def ARMbrcond : SDNode<"ARMISD::BRCOND", SDT_ARMBrcond,
113 [SDNPHasChain, SDNPInGlue, SDNPOutGlue]>;
115 def ARMbrjt : SDNode<"ARMISD::BR_JT", SDT_ARMBrJT,
117 def ARMbr2jt : SDNode<"ARMISD::BR2_JT", SDT_ARMBr2JT,
120 def ARMBcci64 : SDNode<"ARMISD::BCC_i64", SDT_ARMBCC_i64,
123 def ARMcmp : SDNode<"ARMISD::CMP", SDT_ARMCmp,
126 def ARMcmpZ : SDNode<"ARMISD::CMPZ", SDT_ARMCmp,
127 [SDNPOutGlue, SDNPCommutative]>;
129 def ARMpic_add : SDNode<"ARMISD::PIC_ADD", SDT_ARMPICAdd>;
131 def ARMsrl_flag : SDNode<"ARMISD::SRL_FLAG", SDTIntUnaryOp, [SDNPOutGlue]>;
132 def ARMsra_flag : SDNode<"ARMISD::SRA_FLAG", SDTIntUnaryOp, [SDNPOutGlue]>;
133 def ARMrrx : SDNode<"ARMISD::RRX" , SDTIntUnaryOp, [SDNPInGlue ]>;
135 def ARMaddc : SDNode<"ARMISD::ADDC", SDTBinaryArithWithFlags,
137 def ARMsubc : SDNode<"ARMISD::SUBC", SDTBinaryArithWithFlags>;
138 def ARMadde : SDNode<"ARMISD::ADDE", SDTBinaryArithWithFlagsInOut>;
139 def ARMsube : SDNode<"ARMISD::SUBE", SDTBinaryArithWithFlagsInOut>;
141 def ARMthread_pointer: SDNode<"ARMISD::THREAD_POINTER", SDT_ARMThreadPointer>;
142 def ARMeh_sjlj_setjmp: SDNode<"ARMISD::EH_SJLJ_SETJMP",
143 SDT_ARMEH_SJLJ_Setjmp, [SDNPHasChain]>;
144 def ARMeh_sjlj_longjmp: SDNode<"ARMISD::EH_SJLJ_LONGJMP",
145 SDT_ARMEH_SJLJ_Longjmp, [SDNPHasChain]>;
146 def ARMeh_sjlj_dispatchsetup: SDNode<"ARMISD::EH_SJLJ_DISPATCHSETUP",
147 SDT_ARMEH_SJLJ_DispatchSetup, [SDNPHasChain]>;
150 def ARMMemBarrier : SDNode<"ARMISD::MEMBARRIER", SDT_ARMMEMBARRIER,
152 def ARMMemBarrierMCR : SDNode<"ARMISD::MEMBARRIER_MCR", SDT_ARMMEMBARRIER,
154 def ARMPreload : SDNode<"ARMISD::PRELOAD", SDT_ARMPREFETCH,
155 [SDNPHasChain, SDNPMayLoad, SDNPMayStore]>;
157 def ARMrbit : SDNode<"ARMISD::RBIT", SDTIntUnaryOp>;
159 def ARMtcret : SDNode<"ARMISD::TC_RETURN", SDT_ARMTCRET,
160 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
163 def ARMbfi : SDNode<"ARMISD::BFI", SDT_ARMBFI>;
165 //===----------------------------------------------------------------------===//
166 // ARM Instruction Predicate Definitions.
168 def HasV4T : Predicate<"Subtarget->hasV4TOps()">,
169 AssemblerPredicate<"HasV4TOps">;
170 def NoV4T : Predicate<"!Subtarget->hasV4TOps()">;
171 def HasV5T : Predicate<"Subtarget->hasV5TOps()">;
172 def HasV5TE : Predicate<"Subtarget->hasV5TEOps()">,
173 AssemblerPredicate<"HasV5TEOps">;
174 def HasV6 : Predicate<"Subtarget->hasV6Ops()">,
175 AssemblerPredicate<"HasV6Ops">;
176 def NoV6 : Predicate<"!Subtarget->hasV6Ops()">;
177 def HasV6T2 : Predicate<"Subtarget->hasV6T2Ops()">,
178 AssemblerPredicate<"HasV6T2Ops">;
179 def NoV6T2 : Predicate<"!Subtarget->hasV6T2Ops()">;
180 def HasV7 : Predicate<"Subtarget->hasV7Ops()">,
181 AssemblerPredicate<"HasV7Ops">;
182 def NoVFP : Predicate<"!Subtarget->hasVFP2()">;
183 def HasVFP2 : Predicate<"Subtarget->hasVFP2()">,
184 AssemblerPredicate<"FeatureVFP2">;
185 def HasVFP3 : Predicate<"Subtarget->hasVFP3()">,
186 AssemblerPredicate<"FeatureVFP3">;
187 def HasNEON : Predicate<"Subtarget->hasNEON()">,
188 AssemblerPredicate<"FeatureNEON">;
189 def HasFP16 : Predicate<"Subtarget->hasFP16()">,
190 AssemblerPredicate<"FeatureFP16">;
191 def HasDivide : Predicate<"Subtarget->hasDivide()">,
192 AssemblerPredicate<"FeatureHWDiv">;
193 def HasT2ExtractPack : Predicate<"Subtarget->hasT2ExtractPack()">,
194 AssemblerPredicate<"FeatureT2XtPk">;
195 def HasThumb2DSP : Predicate<"Subtarget->hasThumb2DSP()">,
196 AssemblerPredicate<"FeatureDSPThumb2">;
197 def HasDB : Predicate<"Subtarget->hasDataBarrier()">,
198 AssemblerPredicate<"FeatureDB">;
199 def HasMP : Predicate<"Subtarget->hasMPExtension()">,
200 AssemblerPredicate<"FeatureMP">;
201 def UseNEONForFP : Predicate<"Subtarget->useNEONForSinglePrecisionFP()">;
202 def DontUseNEONForFP : Predicate<"!Subtarget->useNEONForSinglePrecisionFP()">;
203 def IsThumb : Predicate<"Subtarget->isThumb()">,
204 AssemblerPredicate<"ModeThumb">;
205 def IsThumb1Only : Predicate<"Subtarget->isThumb1Only()">;
206 def IsThumb2 : Predicate<"Subtarget->isThumb2()">,
207 AssemblerPredicate<"ModeThumb,FeatureThumb2">;
208 def IsARM : Predicate<"!Subtarget->isThumb()">,
209 AssemblerPredicate<"!ModeThumb">;
210 def IsDarwin : Predicate<"Subtarget->isTargetDarwin()">;
211 def IsNotDarwin : Predicate<"!Subtarget->isTargetDarwin()">;
213 // FIXME: Eventually this will be just "hasV6T2Ops".
214 def UseMovt : Predicate<"Subtarget->useMovt()">;
215 def DontUseMovt : Predicate<"!Subtarget->useMovt()">;
216 def UseFPVMLx : Predicate<"Subtarget->useFPVMLx()">;
218 //===----------------------------------------------------------------------===//
219 // ARM Flag Definitions.
221 class RegConstraint<string C> {
222 string Constraints = C;
225 //===----------------------------------------------------------------------===//
226 // ARM specific transformation functions and pattern fragments.
229 // so_imm_neg_XFORM - Return a so_imm value packed into the format described for
230 // so_imm_neg def below.
231 def so_imm_neg_XFORM : SDNodeXForm<imm, [{
232 return CurDAG->getTargetConstant(-(int)N->getZExtValue(), MVT::i32);
235 // so_imm_not_XFORM - Return a so_imm value packed into the format described for
236 // so_imm_not def below.
237 def so_imm_not_XFORM : SDNodeXForm<imm, [{
238 return CurDAG->getTargetConstant(~(int)N->getZExtValue(), MVT::i32);
241 /// imm1_15 predicate - True if the 32-bit immediate is in the range [1,15].
242 def imm1_15 : ImmLeaf<i32, [{
243 return (int32_t)Imm >= 1 && (int32_t)Imm < 16;
246 /// imm16_31 predicate - True if the 32-bit immediate is in the range [16,31].
247 def imm16_31 : ImmLeaf<i32, [{
248 return (int32_t)Imm >= 16 && (int32_t)Imm < 32;
253 return ARM_AM::getSOImmVal(-(uint32_t)N->getZExtValue()) != -1;
254 }], so_imm_neg_XFORM>;
258 return ARM_AM::getSOImmVal(~(uint32_t)N->getZExtValue()) != -1;
259 }], so_imm_not_XFORM>;
261 // sext_16_node predicate - True if the SDNode is sign-extended 16 or more bits.
262 def sext_16_node : PatLeaf<(i32 GPR:$a), [{
263 return CurDAG->ComputeNumSignBits(SDValue(N,0)) >= 17;
266 /// Split a 32-bit immediate into two 16 bit parts.
267 def hi16 : SDNodeXForm<imm, [{
268 return CurDAG->getTargetConstant((uint32_t)N->getZExtValue() >> 16, MVT::i32);
271 def lo16AllZero : PatLeaf<(i32 imm), [{
272 // Returns true if all low 16-bits are 0.
273 return (((uint32_t)N->getZExtValue()) & 0xFFFFUL) == 0;
276 /// imm0_65535 - An immediate is in the range [0.65535].
277 def Imm0_65535AsmOperand: AsmOperandClass { let Name = "Imm0_65535"; }
278 def imm0_65535 : Operand<i32>, ImmLeaf<i32, [{
279 return Imm >= 0 && Imm < 65536;
281 let ParserMatchClass = Imm0_65535AsmOperand;
284 class BinOpWithFlagFrag<dag res> :
285 PatFrag<(ops node:$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.
319 // FIXME: rename brtarget to t2_brtarget
320 def brtarget : Operand<OtherVT> {
321 let EncoderMethod = "getBranchTargetOpValue";
322 let OperandType = "OPERAND_PCREL";
323 let DecoderMethod = "DecodeT2BROperand";
326 // FIXME: get rid of this one?
327 def uncondbrtarget : Operand<OtherVT> {
328 let EncoderMethod = "getUnconditionalBranchTargetOpValue";
329 let OperandType = "OPERAND_PCREL";
332 // Branch target for ARM. Handles conditional/unconditional
333 def br_target : Operand<OtherVT> {
334 let EncoderMethod = "getARMBranchTargetOpValue";
335 let OperandType = "OPERAND_PCREL";
339 // FIXME: rename bltarget to t2_bl_target?
340 def bltarget : Operand<i32> {
341 // Encoded the same as branch targets.
342 let EncoderMethod = "getBranchTargetOpValue";
343 let OperandType = "OPERAND_PCREL";
346 // Call target for ARM. Handles conditional/unconditional
347 // FIXME: rename bl_target to t2_bltarget?
348 def bl_target : Operand<i32> {
349 // Encoded the same as branch targets.
350 let EncoderMethod = "getARMBranchTargetOpValue";
351 let OperandType = "OPERAND_PCREL";
354 def blx_target : Operand<i32> {
355 // Encoded the same as branch targets.
356 let EncoderMethod = "getARMBLXTargetOpValue";
357 let OperandType = "OPERAND_PCREL";
360 // A list of registers separated by comma. Used by load/store multiple.
361 def RegListAsmOperand : AsmOperandClass { let Name = "RegList"; }
362 def reglist : Operand<i32> {
363 let EncoderMethod = "getRegisterListOpValue";
364 let ParserMatchClass = RegListAsmOperand;
365 let PrintMethod = "printRegisterList";
366 let DecoderMethod = "DecodeRegListOperand";
369 def DPRRegListAsmOperand : AsmOperandClass { let Name = "DPRRegList"; }
370 def dpr_reglist : Operand<i32> {
371 let EncoderMethod = "getRegisterListOpValue";
372 let ParserMatchClass = DPRRegListAsmOperand;
373 let PrintMethod = "printRegisterList";
374 let DecoderMethod = "DecodeDPRRegListOperand";
377 def SPRRegListAsmOperand : AsmOperandClass { let Name = "SPRRegList"; }
378 def spr_reglist : Operand<i32> {
379 let EncoderMethod = "getRegisterListOpValue";
380 let ParserMatchClass = SPRRegListAsmOperand;
381 let PrintMethod = "printRegisterList";
382 let DecoderMethod = "DecodeSPRRegListOperand";
385 // An operand for the CONSTPOOL_ENTRY pseudo-instruction.
386 def cpinst_operand : Operand<i32> {
387 let PrintMethod = "printCPInstOperand";
391 def pclabel : Operand<i32> {
392 let PrintMethod = "printPCLabel";
395 // ADR instruction labels.
396 def adrlabel : Operand<i32> {
397 let EncoderMethod = "getAdrLabelOpValue";
400 def neon_vcvt_imm32 : Operand<i32> {
401 let EncoderMethod = "getNEONVcvtImm32OpValue";
402 let DecoderMethod = "DecodeVCVTImmOperand";
405 // rot_imm: An integer that encodes a rotate amount. Must be 8, 16, or 24.
406 def rot_imm_XFORM: SDNodeXForm<imm, [{
407 switch (N->getZExtValue()){
409 case 0: return CurDAG->getTargetConstant(0, MVT::i32);
410 case 8: return CurDAG->getTargetConstant(1, MVT::i32);
411 case 16: return CurDAG->getTargetConstant(2, MVT::i32);
412 case 24: return CurDAG->getTargetConstant(3, MVT::i32);
415 def RotImmAsmOperand : AsmOperandClass {
417 let ParserMethod = "parseRotImm";
419 def rot_imm : Operand<i32>, PatLeaf<(i32 imm), [{
420 int32_t v = N->getZExtValue();
421 return v == 8 || v == 16 || v == 24; }],
423 let PrintMethod = "printRotImmOperand";
424 let ParserMatchClass = RotImmAsmOperand;
427 // shift_imm: An integer that encodes a shift amount and the type of shift
428 // (asr or lsl). The 6-bit immediate encodes as:
431 // {4-0} imm5 shift amount.
432 // asr #32 encoded as imm5 == 0.
433 def ShifterImmAsmOperand : AsmOperandClass {
434 let Name = "ShifterImm";
435 let ParserMethod = "parseShifterImm";
437 def shift_imm : Operand<i32> {
438 let PrintMethod = "printShiftImmOperand";
439 let ParserMatchClass = ShifterImmAsmOperand;
442 // shifter_operand operands: so_reg_reg, so_reg_imm, and so_imm.
443 def ShiftedRegAsmOperand : AsmOperandClass { let Name = "RegShiftedReg"; }
444 def so_reg_reg : Operand<i32>, // reg reg imm
445 ComplexPattern<i32, 3, "SelectRegShifterOperand",
446 [shl, srl, sra, rotr]> {
447 let EncoderMethod = "getSORegRegOpValue";
448 let PrintMethod = "printSORegRegOperand";
449 let DecoderMethod = "DecodeSORegRegOperand";
450 let ParserMatchClass = ShiftedRegAsmOperand;
451 let MIOperandInfo = (ops GPRnopc, GPRnopc, i32imm);
454 def ShiftedImmAsmOperand : AsmOperandClass { let Name = "RegShiftedImm"; }
455 def so_reg_imm : Operand<i32>, // reg imm
456 ComplexPattern<i32, 2, "SelectImmShifterOperand",
457 [shl, srl, sra, rotr]> {
458 let EncoderMethod = "getSORegImmOpValue";
459 let PrintMethod = "printSORegImmOperand";
460 let DecoderMethod = "DecodeSORegImmOperand";
461 let ParserMatchClass = ShiftedImmAsmOperand;
462 let MIOperandInfo = (ops GPR, i32imm);
465 // FIXME: Does this need to be distinct from so_reg?
466 def shift_so_reg_reg : Operand<i32>, // reg reg imm
467 ComplexPattern<i32, 3, "SelectShiftRegShifterOperand",
468 [shl,srl,sra,rotr]> {
469 let EncoderMethod = "getSORegRegOpValue";
470 let PrintMethod = "printSORegRegOperand";
471 let DecoderMethod = "DecodeSORegRegOperand";
472 let MIOperandInfo = (ops GPR, GPR, i32imm);
475 // FIXME: Does this need to be distinct from so_reg?
476 def shift_so_reg_imm : Operand<i32>, // reg reg imm
477 ComplexPattern<i32, 2, "SelectShiftImmShifterOperand",
478 [shl,srl,sra,rotr]> {
479 let EncoderMethod = "getSORegImmOpValue";
480 let PrintMethod = "printSORegImmOperand";
481 let DecoderMethod = "DecodeSORegImmOperand";
482 let MIOperandInfo = (ops GPR, i32imm);
486 // so_imm - Match a 32-bit shifter_operand immediate operand, which is an
487 // 8-bit immediate rotated by an arbitrary number of bits.
488 def SOImmAsmOperand: AsmOperandClass { let Name = "ARMSOImm"; }
489 def so_imm : Operand<i32>, ImmLeaf<i32, [{
490 return ARM_AM::getSOImmVal(Imm) != -1;
492 let EncoderMethod = "getSOImmOpValue";
493 let ParserMatchClass = SOImmAsmOperand;
494 let DecoderMethod = "DecodeSOImmOperand";
497 // Break so_imm's up into two pieces. This handles immediates with up to 16
498 // bits set in them. This uses so_imm2part to match and so_imm2part_[12] to
499 // get the first/second pieces.
500 def so_imm2part : PatLeaf<(imm), [{
501 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
504 /// arm_i32imm - True for +V6T2, or true only if so_imm2part is true.
506 def arm_i32imm : PatLeaf<(imm), [{
507 if (Subtarget->hasV6T2Ops())
509 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
512 /// imm0_7 predicate - Immediate in the range [0,7].
513 def Imm0_7AsmOperand: AsmOperandClass { let Name = "Imm0_7"; }
514 def imm0_7 : Operand<i32>, ImmLeaf<i32, [{
515 return Imm >= 0 && Imm < 8;
517 let ParserMatchClass = Imm0_7AsmOperand;
520 /// imm0_15 predicate - Immediate in the range [0,15].
521 def Imm0_15AsmOperand: AsmOperandClass { let Name = "Imm0_15"; }
522 def imm0_15 : Operand<i32>, ImmLeaf<i32, [{
523 return Imm >= 0 && Imm < 16;
525 let ParserMatchClass = Imm0_15AsmOperand;
528 /// imm0_31 predicate - True if the 32-bit immediate is in the range [0,31].
529 def Imm0_31AsmOperand: AsmOperandClass { let Name = "Imm0_31"; }
530 def imm0_31 : Operand<i32>, ImmLeaf<i32, [{
531 return Imm >= 0 && Imm < 32;
533 let ParserMatchClass = Imm0_31AsmOperand;
536 /// imm0_255 predicate - Immediate in the range [0,255].
537 def Imm0_255AsmOperand : AsmOperandClass { let Name = "Imm0_255"; }
538 def imm0_255 : Operand<i32>, ImmLeaf<i32, [{ return Imm >= 0 && Imm < 256; }]> {
539 let ParserMatchClass = Imm0_255AsmOperand;
542 // imm0_65535_expr - For movt/movw - 16-bit immediate that can also reference
543 // a relocatable expression.
545 // FIXME: This really needs a Thumb version separate from the ARM version.
546 // While the range is the same, and can thus use the same match class,
547 // the encoding is different so it should have a different encoder method.
548 def Imm0_65535ExprAsmOperand: AsmOperandClass { let Name = "Imm0_65535Expr"; }
549 def imm0_65535_expr : Operand<i32> {
550 let EncoderMethod = "getHiLo16ImmOpValue";
551 let ParserMatchClass = Imm0_65535ExprAsmOperand;
554 /// imm24b - True if the 32-bit immediate is encodable in 24 bits.
555 def Imm24bitAsmOperand: AsmOperandClass { let Name = "Imm24bit"; }
556 def imm24b : Operand<i32>, ImmLeaf<i32, [{
557 return Imm >= 0 && Imm <= 0xffffff;
559 let ParserMatchClass = Imm24bitAsmOperand;
563 /// bf_inv_mask_imm predicate - An AND mask to clear an arbitrary width bitfield
565 def BitfieldAsmOperand : AsmOperandClass {
566 let Name = "Bitfield";
567 let ParserMethod = "parseBitfield";
569 def bf_inv_mask_imm : Operand<i32>,
571 return ARM::isBitFieldInvertedMask(N->getZExtValue());
573 let EncoderMethod = "getBitfieldInvertedMaskOpValue";
574 let PrintMethod = "printBitfieldInvMaskImmOperand";
575 let DecoderMethod = "DecodeBitfieldMaskOperand";
576 let ParserMatchClass = BitfieldAsmOperand;
579 /// lsb_pos_imm - position of the lsb bit, used by BFI4p and t2BFI4p
580 def lsb_pos_imm : Operand<i32>, ImmLeaf<i32, [{
581 return isInt<5>(Imm);
584 /// width_imm - number of bits to be copied, used by BFI4p and t2BFI4p
585 def width_imm : Operand<i32>, ImmLeaf<i32, [{
586 return Imm > 0 && Imm <= 32;
588 let EncoderMethod = "getMsbOpValue";
591 def imm1_32_XFORM: SDNodeXForm<imm, [{
592 return CurDAG->getTargetConstant((int)N->getZExtValue() - 1, MVT::i32);
594 def Imm1_32AsmOperand: AsmOperandClass { let Name = "Imm1_32"; }
595 def imm1_32 : Operand<i32>, PatLeaf<(imm), [{
596 uint64_t Imm = N->getZExtValue();
597 return Imm > 0 && Imm <= 32;
600 let PrintMethod = "printImmPlusOneOperand";
601 let ParserMatchClass = Imm1_32AsmOperand;
604 def imm1_16_XFORM: SDNodeXForm<imm, [{
605 return CurDAG->getTargetConstant((int)N->getZExtValue() - 1, MVT::i32);
607 def Imm1_16AsmOperand: AsmOperandClass { let Name = "Imm1_16"; }
608 def imm1_16 : Operand<i32>, PatLeaf<(imm), [{ return Imm > 0 && Imm <= 16; }],
610 let PrintMethod = "printImmPlusOneOperand";
611 let ParserMatchClass = Imm1_16AsmOperand;
614 // Define ARM specific addressing modes.
615 // addrmode_imm12 := reg +/- imm12
617 def MemImm12OffsetAsmOperand : AsmOperandClass { let Name = "MemImm12Offset"; }
618 def addrmode_imm12 : Operand<i32>,
619 ComplexPattern<i32, 2, "SelectAddrModeImm12", []> {
620 // 12-bit immediate operand. Note that instructions using this encode
621 // #0 and #-0 differently. We flag #-0 as the magic value INT32_MIN. All other
622 // immediate values are as normal.
624 let EncoderMethod = "getAddrModeImm12OpValue";
625 let PrintMethod = "printAddrModeImm12Operand";
626 let DecoderMethod = "DecodeAddrModeImm12Operand";
627 let ParserMatchClass = MemImm12OffsetAsmOperand;
628 let MIOperandInfo = (ops GPR:$base, i32imm:$offsimm);
630 // ldst_so_reg := reg +/- reg shop imm
632 def MemRegOffsetAsmOperand : AsmOperandClass { let Name = "MemRegOffset"; }
633 def ldst_so_reg : Operand<i32>,
634 ComplexPattern<i32, 3, "SelectLdStSOReg", []> {
635 let EncoderMethod = "getLdStSORegOpValue";
636 // FIXME: Simplify the printer
637 let PrintMethod = "printAddrMode2Operand";
638 let DecoderMethod = "DecodeSORegMemOperand";
639 let ParserMatchClass = MemRegOffsetAsmOperand;
640 let MIOperandInfo = (ops GPR:$base, GPRnopc:$offsreg, i32imm:$shift);
643 // postidx_imm8 := +/- [0,255]
646 // {8} 1 is imm8 is non-negative. 0 otherwise.
647 // {7-0} [0,255] imm8 value.
648 def PostIdxImm8AsmOperand : AsmOperandClass { let Name = "PostIdxImm8"; }
649 def postidx_imm8 : Operand<i32> {
650 let PrintMethod = "printPostIdxImm8Operand";
651 let ParserMatchClass = PostIdxImm8AsmOperand;
652 let MIOperandInfo = (ops i32imm);
655 // postidx_imm8s4 := +/- [0,1020]
658 // {8} 1 is imm8 is non-negative. 0 otherwise.
659 // {7-0} [0,255] imm8 value, scaled by 4.
660 def postidx_imm8s4 : Operand<i32> {
661 let PrintMethod = "printPostIdxImm8s4Operand";
662 let MIOperandInfo = (ops i32imm);
666 // postidx_reg := +/- reg
668 def PostIdxRegAsmOperand : AsmOperandClass {
669 let Name = "PostIdxReg";
670 let ParserMethod = "parsePostIdxReg";
672 def postidx_reg : Operand<i32> {
673 let EncoderMethod = "getPostIdxRegOpValue";
674 let DecoderMethod = "DecodePostIdxReg";
675 let PrintMethod = "printPostIdxRegOperand";
676 let ParserMatchClass = PostIdxRegAsmOperand;
677 let MIOperandInfo = (ops GPR, i32imm);
681 // addrmode2 := reg +/- imm12
682 // := reg +/- reg shop imm
684 // FIXME: addrmode2 should be refactored the rest of the way to always
685 // use explicit imm vs. reg versions above (addrmode_imm12 and ldst_so_reg).
686 def AddrMode2AsmOperand : AsmOperandClass { let Name = "AddrMode2"; }
687 def addrmode2 : Operand<i32>,
688 ComplexPattern<i32, 3, "SelectAddrMode2", []> {
689 let EncoderMethod = "getAddrMode2OpValue";
690 let PrintMethod = "printAddrMode2Operand";
691 let ParserMatchClass = AddrMode2AsmOperand;
692 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
695 def PostIdxRegShiftedAsmOperand : AsmOperandClass {
696 let Name = "PostIdxRegShifted";
697 let ParserMethod = "parsePostIdxReg";
699 def am2offset_reg : Operand<i32>,
700 ComplexPattern<i32, 2, "SelectAddrMode2OffsetReg",
701 [], [SDNPWantRoot]> {
702 let EncoderMethod = "getAddrMode2OffsetOpValue";
703 let PrintMethod = "printAddrMode2OffsetOperand";
704 // When using this for assembly, it's always as a post-index offset.
705 let ParserMatchClass = PostIdxRegShiftedAsmOperand;
706 let MIOperandInfo = (ops GPR, i32imm);
709 // FIXME: am2offset_imm should only need the immediate, not the GPR. Having
710 // the GPR is purely vestigal at this point.
711 def AM2OffsetImmAsmOperand : AsmOperandClass { let Name = "AM2OffsetImm"; }
712 def am2offset_imm : Operand<i32>,
713 ComplexPattern<i32, 2, "SelectAddrMode2OffsetImm",
714 [], [SDNPWantRoot]> {
715 let EncoderMethod = "getAddrMode2OffsetOpValue";
716 let PrintMethod = "printAddrMode2OffsetOperand";
717 let ParserMatchClass = AM2OffsetImmAsmOperand;
718 let MIOperandInfo = (ops GPR, i32imm);
722 // addrmode3 := reg +/- reg
723 // addrmode3 := reg +/- imm8
725 // FIXME: split into imm vs. reg versions.
726 def AddrMode3AsmOperand : AsmOperandClass { let Name = "AddrMode3"; }
727 def addrmode3 : Operand<i32>,
728 ComplexPattern<i32, 3, "SelectAddrMode3", []> {
729 let EncoderMethod = "getAddrMode3OpValue";
730 let PrintMethod = "printAddrMode3Operand";
731 let ParserMatchClass = AddrMode3AsmOperand;
732 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
735 // FIXME: split into imm vs. reg versions.
736 // FIXME: parser method to handle +/- register.
737 def AM3OffsetAsmOperand : AsmOperandClass {
738 let Name = "AM3Offset";
739 let ParserMethod = "parseAM3Offset";
741 def am3offset : Operand<i32>,
742 ComplexPattern<i32, 2, "SelectAddrMode3Offset",
743 [], [SDNPWantRoot]> {
744 let EncoderMethod = "getAddrMode3OffsetOpValue";
745 let PrintMethod = "printAddrMode3OffsetOperand";
746 let ParserMatchClass = AM3OffsetAsmOperand;
747 let MIOperandInfo = (ops GPR, i32imm);
750 // ldstm_mode := {ia, ib, da, db}
752 def ldstm_mode : OptionalDefOperand<OtherVT, (ops i32), (ops (i32 1))> {
753 let EncoderMethod = "getLdStmModeOpValue";
754 let PrintMethod = "printLdStmModeOperand";
757 // addrmode5 := reg +/- imm8*4
759 def AddrMode5AsmOperand : AsmOperandClass { let Name = "AddrMode5"; }
760 def addrmode5 : Operand<i32>,
761 ComplexPattern<i32, 2, "SelectAddrMode5", []> {
762 let PrintMethod = "printAddrMode5Operand";
763 let EncoderMethod = "getAddrMode5OpValue";
764 let DecoderMethod = "DecodeAddrMode5Operand";
765 let ParserMatchClass = AddrMode5AsmOperand;
766 let MIOperandInfo = (ops GPR:$base, i32imm);
769 // addrmode6 := reg with optional alignment
771 def addrmode6 : Operand<i32>,
772 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
773 let PrintMethod = "printAddrMode6Operand";
774 let MIOperandInfo = (ops GPR:$addr, i32imm);
775 let EncoderMethod = "getAddrMode6AddressOpValue";
776 let DecoderMethod = "DecodeAddrMode6Operand";
779 def am6offset : Operand<i32>,
780 ComplexPattern<i32, 1, "SelectAddrMode6Offset",
781 [], [SDNPWantRoot]> {
782 let PrintMethod = "printAddrMode6OffsetOperand";
783 let MIOperandInfo = (ops GPR);
784 let EncoderMethod = "getAddrMode6OffsetOpValue";
785 let DecoderMethod = "DecodeGPRRegisterClass";
788 // Special version of addrmode6 to handle alignment encoding for VST1/VLD1
789 // (single element from one lane) for size 32.
790 def addrmode6oneL32 : Operand<i32>,
791 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
792 let PrintMethod = "printAddrMode6Operand";
793 let MIOperandInfo = (ops GPR:$addr, i32imm);
794 let EncoderMethod = "getAddrMode6OneLane32AddressOpValue";
797 // Special version of addrmode6 to handle alignment encoding for VLD-dup
798 // instructions, specifically VLD4-dup.
799 def addrmode6dup : Operand<i32>,
800 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
801 let PrintMethod = "printAddrMode6Operand";
802 let MIOperandInfo = (ops GPR:$addr, i32imm);
803 let EncoderMethod = "getAddrMode6DupAddressOpValue";
806 // addrmodepc := pc + reg
808 def addrmodepc : Operand<i32>,
809 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
810 let PrintMethod = "printAddrModePCOperand";
811 let MIOperandInfo = (ops GPR, i32imm);
814 // addr_offset_none := reg
816 def MemNoOffsetAsmOperand : AsmOperandClass { let Name = "MemNoOffset"; }
817 def addr_offset_none : Operand<i32>,
818 ComplexPattern<i32, 1, "SelectAddrOffsetNone", []> {
819 let PrintMethod = "printAddrMode7Operand";
820 let DecoderMethod = "DecodeAddrMode7Operand";
821 let ParserMatchClass = MemNoOffsetAsmOperand;
822 let MIOperandInfo = (ops GPR:$base);
825 def nohash_imm : Operand<i32> {
826 let PrintMethod = "printNoHashImmediate";
829 def CoprocNumAsmOperand : AsmOperandClass {
830 let Name = "CoprocNum";
831 let ParserMethod = "parseCoprocNumOperand";
833 def p_imm : Operand<i32> {
834 let PrintMethod = "printPImmediate";
835 let ParserMatchClass = CoprocNumAsmOperand;
836 let DecoderMethod = "DecodeCoprocessor";
839 def CoprocRegAsmOperand : AsmOperandClass {
840 let Name = "CoprocReg";
841 let ParserMethod = "parseCoprocRegOperand";
843 def c_imm : Operand<i32> {
844 let PrintMethod = "printCImmediate";
845 let ParserMatchClass = CoprocRegAsmOperand;
848 //===----------------------------------------------------------------------===//
850 include "ARMInstrFormats.td"
852 //===----------------------------------------------------------------------===//
853 // Multiclass helpers...
856 /// AsI1_bin_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns for a
857 /// binop that produces a value.
858 multiclass AsI1_bin_irs<bits<4> opcod, string opc,
859 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
860 PatFrag opnode, string baseOpc, bit Commutable = 0> {
861 // The register-immediate version is re-materializable. This is useful
862 // in particular for taking the address of a local.
863 let isReMaterializable = 1 in {
864 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
865 iii, opc, "\t$Rd, $Rn, $imm",
866 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]> {
871 let Inst{19-16} = Rn;
872 let Inst{15-12} = Rd;
873 let Inst{11-0} = imm;
876 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
877 iir, opc, "\t$Rd, $Rn, $Rm",
878 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
883 let isCommutable = Commutable;
884 let Inst{19-16} = Rn;
885 let Inst{15-12} = Rd;
886 let Inst{11-4} = 0b00000000;
890 def rsi : AsI1<opcod, (outs GPR:$Rd),
891 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm,
892 iis, opc, "\t$Rd, $Rn, $shift",
893 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_imm:$shift))]> {
898 let Inst{19-16} = Rn;
899 let Inst{15-12} = Rd;
900 let Inst{11-5} = shift{11-5};
902 let Inst{3-0} = shift{3-0};
905 def rsr : AsI1<opcod, (outs GPR:$Rd),
906 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm,
907 iis, opc, "\t$Rd, $Rn, $shift",
908 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_reg:$shift))]> {
913 let Inst{19-16} = Rn;
914 let Inst{15-12} = Rd;
915 let Inst{11-8} = shift{11-8};
917 let Inst{6-5} = shift{6-5};
919 let Inst{3-0} = shift{3-0};
922 // Assembly aliases for optional destination operand when it's the same
923 // as the source operand.
924 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $imm"),
925 (!cast<Instruction>(!strconcat(baseOpc, "ri")) GPR:$Rdn, GPR:$Rdn,
926 so_imm:$imm, pred:$p,
929 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $Rm"),
930 (!cast<Instruction>(!strconcat(baseOpc, "rr")) GPR:$Rdn, GPR:$Rdn,
934 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
935 (!cast<Instruction>(!strconcat(baseOpc, "rsi")) GPR:$Rdn, GPR:$Rdn,
936 so_reg_imm:$shift, pred:$p,
939 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
940 (!cast<Instruction>(!strconcat(baseOpc, "rsr")) GPR:$Rdn, GPR:$Rdn,
941 so_reg_reg:$shift, pred:$p,
947 /// AsI1_rbin_irs - Same as AsI1_bin_irs except the order of operands are
948 /// reversed. The 'rr' form is only defined for the disassembler; for codegen
949 /// it is equivalent to the AsI1_bin_irs counterpart.
950 multiclass AsI1_rbin_irs<bits<4> opcod, string opc,
951 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
952 PatFrag opnode, string baseOpc, bit Commutable = 0> {
953 // The register-immediate version is re-materializable. This is useful
954 // in particular for taking the address of a local.
955 let isReMaterializable = 1 in {
956 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
957 iii, opc, "\t$Rd, $Rn, $imm",
958 [(set GPR:$Rd, (opnode so_imm:$imm, GPR:$Rn))]> {
963 let Inst{19-16} = Rn;
964 let Inst{15-12} = Rd;
965 let Inst{11-0} = imm;
968 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
969 iir, opc, "\t$Rd, $Rn, $Rm",
970 [/* pattern left blank */]> {
974 let Inst{11-4} = 0b00000000;
977 let Inst{15-12} = Rd;
978 let Inst{19-16} = Rn;
981 def rsi : AsI1<opcod, (outs GPR:$Rd),
982 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm,
983 iis, opc, "\t$Rd, $Rn, $shift",
984 [(set GPR:$Rd, (opnode so_reg_imm:$shift, GPR:$Rn))]> {
989 let Inst{19-16} = Rn;
990 let Inst{15-12} = Rd;
991 let Inst{11-5} = shift{11-5};
993 let Inst{3-0} = shift{3-0};
996 def rsr : AsI1<opcod, (outs GPR:$Rd),
997 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm,
998 iis, opc, "\t$Rd, $Rn, $shift",
999 [(set GPR:$Rd, (opnode so_reg_reg:$shift, GPR:$Rn))]> {
1004 let Inst{19-16} = Rn;
1005 let Inst{15-12} = Rd;
1006 let Inst{11-8} = shift{11-8};
1008 let Inst{6-5} = shift{6-5};
1010 let Inst{3-0} = shift{3-0};
1013 // Assembly aliases for optional destination operand when it's the same
1014 // as the source operand.
1015 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $imm"),
1016 (!cast<Instruction>(!strconcat(baseOpc, "ri")) GPR:$Rdn, GPR:$Rdn,
1017 so_imm:$imm, pred:$p,
1020 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $Rm"),
1021 (!cast<Instruction>(!strconcat(baseOpc, "rr")) GPR:$Rdn, GPR:$Rdn,
1025 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
1026 (!cast<Instruction>(!strconcat(baseOpc, "rsi")) GPR:$Rdn, GPR:$Rdn,
1027 so_reg_imm:$shift, pred:$p,
1030 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
1031 (!cast<Instruction>(!strconcat(baseOpc, "rsr")) GPR:$Rdn, GPR:$Rdn,
1032 so_reg_reg:$shift, pred:$p,
1038 /// AsI1_rbin_s_is - Same as AsI1_rbin_s_is except sets 's' bit.
1039 let isCodeGenOnly = 1, Defs = [CPSR] in {
1040 multiclass AsI1_rbin_s_is<bits<4> opcod, string opc,
1041 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
1042 PatFrag opnode, bit Commutable = 0> {
1043 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
1044 iii, opc, "\t$Rd, $Rn, $imm",
1045 [(set GPR:$Rd, CPSR, (opnode so_imm:$imm, GPR:$Rn))]> {
1050 let Inst{19-16} = Rn;
1051 let Inst{15-12} = Rd;
1052 let Inst{11-0} = imm;
1055 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
1056 iir, opc, "\t$Rd, $Rn, $Rm",
1057 [/* pattern left blank */]> {
1061 let Inst{11-4} = 0b00000000;
1064 let Inst{15-12} = Rd;
1065 let Inst{19-16} = Rn;
1068 def rsi : AsI1<opcod, (outs GPR:$Rd),
1069 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm,
1070 iis, opc, "\t$Rd, $Rn, $shift",
1071 [(set GPR:$Rd, CPSR, (opnode so_reg_imm:$shift, GPR:$Rn))]> {
1076 let Inst{19-16} = Rn;
1077 let Inst{15-12} = Rd;
1078 let Inst{11-5} = shift{11-5};
1080 let Inst{3-0} = shift{3-0};
1083 def rsr : AsI1<opcod, (outs GPR:$Rd),
1084 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm,
1085 iis, opc, "\t$Rd, $Rn, $shift",
1086 [(set GPR:$Rd, CPSR, (opnode so_reg_reg:$shift, GPR:$Rn))]> {
1091 let Inst{19-16} = Rn;
1092 let Inst{15-12} = Rd;
1093 let Inst{11-8} = shift{11-8};
1095 let Inst{6-5} = shift{6-5};
1097 let Inst{3-0} = shift{3-0};
1102 /// AI1_bin_s_irs - Similar to AsI1_bin_irs except it sets the 's' bit so the
1103 /// instruction modifies the CPSR register.
1104 let isCodeGenOnly = 1, Defs = [CPSR] in {
1105 multiclass AI1_bin_s_irs<bits<4> opcod, string opc,
1106 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
1107 PatFrag opnode, bit Commutable = 0> {
1108 def ri : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
1109 iii, opc, "\t$Rd, $Rn, $imm",
1110 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, so_imm:$imm))]> {
1116 let Inst{19-16} = Rn;
1117 let Inst{15-12} = Rd;
1118 let Inst{11-0} = imm;
1120 def rr : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
1121 iir, opc, "\t$Rd, $Rn, $Rm",
1122 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, GPR:$Rm))]> {
1126 let isCommutable = Commutable;
1129 let Inst{19-16} = Rn;
1130 let Inst{15-12} = Rd;
1131 let Inst{11-4} = 0b00000000;
1134 def rsi : AI1<opcod, (outs GPR:$Rd),
1135 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm,
1136 iis, opc, "\t$Rd, $Rn, $shift",
1137 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, so_reg_imm:$shift))]> {
1143 let Inst{19-16} = Rn;
1144 let Inst{15-12} = Rd;
1145 let Inst{11-5} = shift{11-5};
1147 let Inst{3-0} = shift{3-0};
1150 def rsr : AI1<opcod, (outs GPR:$Rd),
1151 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm,
1152 iis, opc, "\t$Rd, $Rn, $shift",
1153 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, so_reg_reg:$shift))]> {
1159 let Inst{19-16} = Rn;
1160 let Inst{15-12} = Rd;
1161 let Inst{11-8} = shift{11-8};
1163 let Inst{6-5} = shift{6-5};
1165 let Inst{3-0} = shift{3-0};
1170 /// AI1_cmp_irs - Defines a set of (op r, {so_imm|r|so_reg}) cmp / test
1171 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
1172 /// a explicit result, only implicitly set CPSR.
1173 let isCompare = 1, Defs = [CPSR] in {
1174 multiclass AI1_cmp_irs<bits<4> opcod, string opc,
1175 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
1176 PatFrag opnode, bit Commutable = 0> {
1177 def ri : AI1<opcod, (outs), (ins GPR:$Rn, so_imm:$imm), DPFrm, iii,
1179 [(opnode GPR:$Rn, so_imm:$imm)]> {
1184 let Inst{19-16} = Rn;
1185 let Inst{15-12} = 0b0000;
1186 let Inst{11-0} = imm;
1188 def rr : AI1<opcod, (outs), (ins GPR:$Rn, GPR:$Rm), DPFrm, iir,
1190 [(opnode GPR:$Rn, GPR:$Rm)]> {
1193 let isCommutable = Commutable;
1196 let Inst{19-16} = Rn;
1197 let Inst{15-12} = 0b0000;
1198 let Inst{11-4} = 0b00000000;
1201 def rsi : AI1<opcod, (outs),
1202 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm, iis,
1203 opc, "\t$Rn, $shift",
1204 [(opnode GPR:$Rn, so_reg_imm:$shift)]> {
1209 let Inst{19-16} = Rn;
1210 let Inst{15-12} = 0b0000;
1211 let Inst{11-5} = shift{11-5};
1213 let Inst{3-0} = shift{3-0};
1215 def rsr : AI1<opcod, (outs),
1216 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm, iis,
1217 opc, "\t$Rn, $shift",
1218 [(opnode GPR:$Rn, so_reg_reg:$shift)]> {
1223 let Inst{19-16} = Rn;
1224 let Inst{15-12} = 0b0000;
1225 let Inst{11-8} = shift{11-8};
1227 let Inst{6-5} = shift{6-5};
1229 let Inst{3-0} = shift{3-0};
1235 /// AI_ext_rrot - A unary operation with two forms: one whose operand is a
1236 /// register and one whose operand is a register rotated by 8/16/24.
1237 /// FIXME: Remove the 'r' variant. Its rot_imm is zero.
1238 class AI_ext_rrot<bits<8> opcod, string opc, PatFrag opnode>
1239 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPRnopc:$Rm, rot_imm:$rot),
1240 IIC_iEXTr, opc, "\t$Rd, $Rm$rot",
1241 [(set GPRnopc:$Rd, (opnode (rotr GPRnopc:$Rm, rot_imm:$rot)))]>,
1242 Requires<[IsARM, HasV6]> {
1246 let Inst{19-16} = 0b1111;
1247 let Inst{15-12} = Rd;
1248 let Inst{11-10} = rot;
1252 class AI_ext_rrot_np<bits<8> opcod, string opc>
1253 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPRnopc:$Rm, rot_imm:$rot),
1254 IIC_iEXTr, opc, "\t$Rd, $Rm$rot", []>,
1255 Requires<[IsARM, HasV6]> {
1257 let Inst{19-16} = 0b1111;
1258 let Inst{11-10} = rot;
1261 /// AI_exta_rrot - A binary operation with two forms: one whose operand is a
1262 /// register and one whose operand is a register rotated by 8/16/24.
1263 class AI_exta_rrot<bits<8> opcod, string opc, PatFrag opnode>
1264 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPR:$Rn, GPRnopc:$Rm, rot_imm:$rot),
1265 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm$rot",
1266 [(set GPRnopc:$Rd, (opnode GPR:$Rn,
1267 (rotr GPRnopc:$Rm, rot_imm:$rot)))]>,
1268 Requires<[IsARM, HasV6]> {
1273 let Inst{19-16} = Rn;
1274 let Inst{15-12} = Rd;
1275 let Inst{11-10} = rot;
1276 let Inst{9-4} = 0b000111;
1280 class AI_exta_rrot_np<bits<8> opcod, string opc>
1281 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPR:$Rn, GPRnopc:$Rm, rot_imm:$rot),
1282 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm$rot", []>,
1283 Requires<[IsARM, HasV6]> {
1286 let Inst{19-16} = Rn;
1287 let Inst{11-10} = rot;
1290 /// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
1291 multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode,
1292 string baseOpc, bit Commutable = 0> {
1293 let Defs = [CPSR], Uses = [CPSR] in {
1294 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
1295 DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
1296 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, so_imm:$imm, CPSR))]>,
1302 let Inst{15-12} = Rd;
1303 let Inst{19-16} = Rn;
1304 let Inst{11-0} = imm;
1306 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
1307 DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
1308 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, GPR:$Rm, CPSR))]>,
1313 let Inst{11-4} = 0b00000000;
1315 let isCommutable = Commutable;
1317 let Inst{15-12} = Rd;
1318 let Inst{19-16} = Rn;
1320 def rsi : AsI1<opcod, (outs GPR:$Rd),
1321 (ins GPR:$Rn, so_reg_imm:$shift),
1322 DPSoRegImmFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1323 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, so_reg_imm:$shift, CPSR))]>,
1329 let Inst{19-16} = Rn;
1330 let Inst{15-12} = Rd;
1331 let Inst{11-5} = shift{11-5};
1333 let Inst{3-0} = shift{3-0};
1335 def rsr : AsI1<opcod, (outs GPR:$Rd),
1336 (ins GPR:$Rn, so_reg_reg:$shift),
1337 DPSoRegRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1338 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, so_reg_reg:$shift, CPSR))]>,
1344 let Inst{19-16} = Rn;
1345 let Inst{15-12} = Rd;
1346 let Inst{11-8} = shift{11-8};
1348 let Inst{6-5} = shift{6-5};
1350 let Inst{3-0} = shift{3-0};
1354 // Assembly aliases for optional destination operand when it's the same
1355 // as the source operand.
1356 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $imm"),
1357 (!cast<Instruction>(!strconcat(baseOpc, "ri")) GPR:$Rdn, GPR:$Rdn,
1358 so_imm:$imm, pred:$p,
1361 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $Rm"),
1362 (!cast<Instruction>(!strconcat(baseOpc, "rr")) GPR:$Rdn, GPR:$Rdn,
1366 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
1367 (!cast<Instruction>(!strconcat(baseOpc, "rsi")) GPR:$Rdn, GPR:$Rdn,
1368 so_reg_imm:$shift, pred:$p,
1371 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
1372 (!cast<Instruction>(!strconcat(baseOpc, "rsr")) GPR:$Rdn, GPR:$Rdn,
1373 so_reg_reg:$shift, pred:$p,
1378 /// AI1_rsc_irs - Define instructions and patterns for rsc
1379 multiclass AI1_rsc_irs<bits<4> opcod, string opc, PatFrag opnode,
1381 let Defs = [CPSR], Uses = [CPSR] in {
1382 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
1383 DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
1384 [(set GPR:$Rd, CPSR, (opnode so_imm:$imm, GPR:$Rn, CPSR))]>,
1390 let Inst{15-12} = Rd;
1391 let Inst{19-16} = Rn;
1392 let Inst{11-0} = imm;
1394 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
1395 DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
1396 [/* pattern left blank */]> {
1400 let Inst{11-4} = 0b00000000;
1403 let Inst{15-12} = Rd;
1404 let Inst{19-16} = Rn;
1406 def rsi : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_imm:$shift),
1407 DPSoRegImmFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1408 [(set GPR:$Rd, CPSR, (opnode so_reg_imm:$shift, GPR:$Rn, CPSR))]>,
1414 let Inst{19-16} = Rn;
1415 let Inst{15-12} = Rd;
1416 let Inst{11-5} = shift{11-5};
1418 let Inst{3-0} = shift{3-0};
1420 def rsr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_reg:$shift),
1421 DPSoRegRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1422 [(set GPR:$Rd, CPSR, (opnode so_reg_reg:$shift, GPR:$Rn, CPSR))]>,
1428 let Inst{19-16} = Rn;
1429 let Inst{15-12} = Rd;
1430 let Inst{11-8} = shift{11-8};
1432 let Inst{6-5} = shift{6-5};
1434 let Inst{3-0} = shift{3-0};
1438 // Assembly aliases for optional destination operand when it's the same
1439 // as the source operand.
1440 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $imm"),
1441 (!cast<Instruction>(!strconcat(baseOpc, "ri")) GPR:$Rdn, GPR:$Rdn,
1442 so_imm:$imm, pred:$p,
1445 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $Rm"),
1446 (!cast<Instruction>(!strconcat(baseOpc, "rr")) GPR:$Rdn, GPR:$Rdn,
1450 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
1451 (!cast<Instruction>(!strconcat(baseOpc, "rsi")) GPR:$Rdn, GPR:$Rdn,
1452 so_reg_imm:$shift, pred:$p,
1455 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
1456 (!cast<Instruction>(!strconcat(baseOpc, "rsr")) GPR:$Rdn, GPR:$Rdn,
1457 so_reg_reg:$shift, pred:$p,
1462 let canFoldAsLoad = 1, isReMaterializable = 1 in {
1463 multiclass AI_ldr1<bit isByte, string opc, InstrItinClass iii,
1464 InstrItinClass iir, PatFrag opnode> {
1465 // Note: We use the complex addrmode_imm12 rather than just an input
1466 // GPR and a constrained immediate so that we can use this to match
1467 // frame index references and avoid matching constant pool references.
1468 def i12: AI2ldst<0b010, 1, isByte, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
1469 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
1470 [(set GPR:$Rt, (opnode addrmode_imm12:$addr))]> {
1473 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1474 let Inst{19-16} = addr{16-13}; // Rn
1475 let Inst{15-12} = Rt;
1476 let Inst{11-0} = addr{11-0}; // imm12
1478 def rs : AI2ldst<0b011, 1, isByte, (outs GPR:$Rt), (ins ldst_so_reg:$shift),
1479 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
1480 [(set GPR:$Rt, (opnode ldst_so_reg:$shift))]> {
1483 let shift{4} = 0; // Inst{4} = 0
1484 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1485 let Inst{19-16} = shift{16-13}; // Rn
1486 let Inst{15-12} = Rt;
1487 let Inst{11-0} = shift{11-0};
1492 let canFoldAsLoad = 1, isReMaterializable = 1 in {
1493 multiclass AI_ldr1nopc<bit isByte, string opc, InstrItinClass iii,
1494 InstrItinClass iir, PatFrag opnode> {
1495 // Note: We use the complex addrmode_imm12 rather than just an input
1496 // GPR and a constrained immediate so that we can use this to match
1497 // frame index references and avoid matching constant pool references.
1498 def i12: AI2ldst<0b010, 1, isByte, (outs GPRnopc:$Rt), (ins addrmode_imm12:$addr),
1499 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
1500 [(set GPRnopc:$Rt, (opnode addrmode_imm12:$addr))]> {
1503 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1504 let Inst{19-16} = addr{16-13}; // Rn
1505 let Inst{15-12} = Rt;
1506 let Inst{11-0} = addr{11-0}; // imm12
1508 def rs : AI2ldst<0b011, 1, isByte, (outs GPRnopc:$Rt), (ins ldst_so_reg:$shift),
1509 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
1510 [(set GPRnopc:$Rt, (opnode ldst_so_reg:$shift))]> {
1513 let shift{4} = 0; // Inst{4} = 0
1514 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1515 let Inst{19-16} = shift{16-13}; // Rn
1516 let Inst{15-12} = Rt;
1517 let Inst{11-0} = shift{11-0};
1523 multiclass AI_str1<bit isByte, string opc, InstrItinClass iii,
1524 InstrItinClass iir, PatFrag opnode> {
1525 // Note: We use the complex addrmode_imm12 rather than just an input
1526 // GPR and a constrained immediate so that we can use this to match
1527 // frame index references and avoid matching constant pool references.
1528 def i12 : AI2ldst<0b010, 0, isByte, (outs),
1529 (ins GPR:$Rt, addrmode_imm12:$addr),
1530 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
1531 [(opnode GPR:$Rt, addrmode_imm12:$addr)]> {
1534 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1535 let Inst{19-16} = addr{16-13}; // Rn
1536 let Inst{15-12} = Rt;
1537 let Inst{11-0} = addr{11-0}; // imm12
1539 def rs : AI2ldst<0b011, 0, isByte, (outs), (ins GPR:$Rt, ldst_so_reg:$shift),
1540 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
1541 [(opnode GPR:$Rt, ldst_so_reg:$shift)]> {
1544 let shift{4} = 0; // Inst{4} = 0
1545 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1546 let Inst{19-16} = shift{16-13}; // Rn
1547 let Inst{15-12} = Rt;
1548 let Inst{11-0} = shift{11-0};
1552 multiclass AI_str1nopc<bit isByte, string opc, InstrItinClass iii,
1553 InstrItinClass iir, PatFrag opnode> {
1554 // Note: We use the complex addrmode_imm12 rather than just an input
1555 // GPR and a constrained immediate so that we can use this to match
1556 // frame index references and avoid matching constant pool references.
1557 def i12 : AI2ldst<0b010, 0, isByte, (outs),
1558 (ins GPRnopc:$Rt, addrmode_imm12:$addr),
1559 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
1560 [(opnode GPRnopc:$Rt, addrmode_imm12:$addr)]> {
1563 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1564 let Inst{19-16} = addr{16-13}; // Rn
1565 let Inst{15-12} = Rt;
1566 let Inst{11-0} = addr{11-0}; // imm12
1568 def rs : AI2ldst<0b011, 0, isByte, (outs), (ins GPRnopc:$Rt, ldst_so_reg:$shift),
1569 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
1570 [(opnode GPRnopc:$Rt, ldst_so_reg:$shift)]> {
1573 let shift{4} = 0; // Inst{4} = 0
1574 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1575 let Inst{19-16} = shift{16-13}; // Rn
1576 let Inst{15-12} = Rt;
1577 let Inst{11-0} = shift{11-0};
1582 //===----------------------------------------------------------------------===//
1584 //===----------------------------------------------------------------------===//
1586 //===----------------------------------------------------------------------===//
1587 // Miscellaneous Instructions.
1590 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
1591 /// the function. The first operand is the ID# for this instruction, the second
1592 /// is the index into the MachineConstantPool that this is, the third is the
1593 /// size in bytes of this constant pool entry.
1594 let neverHasSideEffects = 1, isNotDuplicable = 1 in
1595 def CONSTPOOL_ENTRY :
1596 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
1597 i32imm:$size), NoItinerary, []>;
1599 // FIXME: Marking these as hasSideEffects is necessary to prevent machine DCE
1600 // from removing one half of the matched pairs. That breaks PEI, which assumes
1601 // these will always be in pairs, and asserts if it finds otherwise. Better way?
1602 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
1603 def ADJCALLSTACKUP :
1604 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary,
1605 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
1607 def ADJCALLSTACKDOWN :
1608 PseudoInst<(outs), (ins i32imm:$amt, pred:$p), NoItinerary,
1609 [(ARMcallseq_start timm:$amt)]>;
1612 def NOP : AI<(outs), (ins), MiscFrm, NoItinerary, "nop", "", []>,
1613 Requires<[IsARM, HasV6T2]> {
1614 let Inst{27-16} = 0b001100100000;
1615 let Inst{15-8} = 0b11110000;
1616 let Inst{7-0} = 0b00000000;
1619 def YIELD : AI<(outs), (ins), MiscFrm, NoItinerary, "yield", "", []>,
1620 Requires<[IsARM, HasV6T2]> {
1621 let Inst{27-16} = 0b001100100000;
1622 let Inst{15-8} = 0b11110000;
1623 let Inst{7-0} = 0b00000001;
1626 def WFE : AI<(outs), (ins), MiscFrm, NoItinerary, "wfe", "", []>,
1627 Requires<[IsARM, HasV6T2]> {
1628 let Inst{27-16} = 0b001100100000;
1629 let Inst{15-8} = 0b11110000;
1630 let Inst{7-0} = 0b00000010;
1633 def WFI : AI<(outs), (ins), MiscFrm, NoItinerary, "wfi", "", []>,
1634 Requires<[IsARM, HasV6T2]> {
1635 let Inst{27-16} = 0b001100100000;
1636 let Inst{15-8} = 0b11110000;
1637 let Inst{7-0} = 0b00000011;
1640 def SEL : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm, NoItinerary, "sel",
1641 "\t$Rd, $Rn, $Rm", []>, Requires<[IsARM, HasV6]> {
1646 let Inst{15-12} = Rd;
1647 let Inst{19-16} = Rn;
1648 let Inst{27-20} = 0b01101000;
1649 let Inst{7-4} = 0b1011;
1650 let Inst{11-8} = 0b1111;
1653 def SEV : AI<(outs), (ins), MiscFrm, NoItinerary, "sev", "",
1654 []>, Requires<[IsARM, HasV6T2]> {
1655 let Inst{27-16} = 0b001100100000;
1656 let Inst{15-8} = 0b11110000;
1657 let Inst{7-0} = 0b00000100;
1660 // The i32imm operand $val can be used by a debugger to store more information
1661 // about the breakpoint.
1662 def BKPT : AI<(outs), (ins imm0_65535:$val), MiscFrm, NoItinerary,
1663 "bkpt", "\t$val", []>, Requires<[IsARM]> {
1665 let Inst{3-0} = val{3-0};
1666 let Inst{19-8} = val{15-4};
1667 let Inst{27-20} = 0b00010010;
1668 let Inst{7-4} = 0b0111;
1671 // Change Processor State
1672 // FIXME: We should use InstAlias to handle the optional operands.
1673 class CPS<dag iops, string asm_ops>
1674 : AXI<(outs), iops, MiscFrm, NoItinerary, !strconcat("cps", asm_ops),
1675 []>, Requires<[IsARM]> {
1681 let Inst{31-28} = 0b1111;
1682 let Inst{27-20} = 0b00010000;
1683 let Inst{19-18} = imod;
1684 let Inst{17} = M; // Enabled if mode is set;
1686 let Inst{8-6} = iflags;
1688 let Inst{4-0} = mode;
1691 let DecoderMethod = "DecodeCPSInstruction" in {
1693 def CPS3p : CPS<(ins imod_op:$imod, iflags_op:$iflags, imm0_31:$mode),
1694 "$imod\t$iflags, $mode">;
1695 let mode = 0, M = 0 in
1696 def CPS2p : CPS<(ins imod_op:$imod, iflags_op:$iflags), "$imod\t$iflags">;
1698 let imod = 0, iflags = 0, M = 1 in
1699 def CPS1p : CPS<(ins imm0_31:$mode), "\t$mode">;
1702 // Preload signals the memory system of possible future data/instruction access.
1703 multiclass APreLoad<bits<1> read, bits<1> data, string opc> {
1705 def i12 : AXI<(outs), (ins addrmode_imm12:$addr), MiscFrm, IIC_Preload,
1706 !strconcat(opc, "\t$addr"),
1707 [(ARMPreload addrmode_imm12:$addr, (i32 read), (i32 data))]> {
1710 let Inst{31-26} = 0b111101;
1711 let Inst{25} = 0; // 0 for immediate form
1712 let Inst{24} = data;
1713 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1714 let Inst{22} = read;
1715 let Inst{21-20} = 0b01;
1716 let Inst{19-16} = addr{16-13}; // Rn
1717 let Inst{15-12} = 0b1111;
1718 let Inst{11-0} = addr{11-0}; // imm12
1721 def rs : AXI<(outs), (ins ldst_so_reg:$shift), MiscFrm, IIC_Preload,
1722 !strconcat(opc, "\t$shift"),
1723 [(ARMPreload ldst_so_reg:$shift, (i32 read), (i32 data))]> {
1725 let Inst{31-26} = 0b111101;
1726 let Inst{25} = 1; // 1 for register form
1727 let Inst{24} = data;
1728 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1729 let Inst{22} = read;
1730 let Inst{21-20} = 0b01;
1731 let Inst{19-16} = shift{16-13}; // Rn
1732 let Inst{15-12} = 0b1111;
1733 let Inst{11-0} = shift{11-0};
1738 defm PLD : APreLoad<1, 1, "pld">, Requires<[IsARM]>;
1739 defm PLDW : APreLoad<0, 1, "pldw">, Requires<[IsARM,HasV7,HasMP]>;
1740 defm PLI : APreLoad<1, 0, "pli">, Requires<[IsARM,HasV7]>;
1742 def SETEND : AXI<(outs), (ins setend_op:$end), MiscFrm, NoItinerary,
1743 "setend\t$end", []>, Requires<[IsARM]> {
1745 let Inst{31-10} = 0b1111000100000001000000;
1750 def DBG : AI<(outs), (ins imm0_15:$opt), MiscFrm, NoItinerary, "dbg", "\t$opt",
1751 []>, Requires<[IsARM, HasV7]> {
1753 let Inst{27-4} = 0b001100100000111100001111;
1754 let Inst{3-0} = opt;
1757 // A5.4 Permanently UNDEFINED instructions.
1758 let isBarrier = 1, isTerminator = 1 in
1759 def TRAP : AXI<(outs), (ins), MiscFrm, NoItinerary,
1762 let Inst = 0xe7ffdefe;
1765 // Address computation and loads and stores in PIC mode.
1766 let isNotDuplicable = 1 in {
1767 def PICADD : ARMPseudoInst<(outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
1769 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
1771 let AddedComplexity = 10 in {
1772 def PICLDR : ARMPseudoInst<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
1774 [(set GPR:$dst, (load addrmodepc:$addr))]>;
1776 def PICLDRH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1778 [(set GPR:$Rt, (zextloadi16 addrmodepc:$addr))]>;
1780 def PICLDRB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1782 [(set GPR:$Rt, (zextloadi8 addrmodepc:$addr))]>;
1784 def PICLDRSH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1786 [(set GPR:$Rt, (sextloadi16 addrmodepc:$addr))]>;
1788 def PICLDRSB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1790 [(set GPR:$Rt, (sextloadi8 addrmodepc:$addr))]>;
1792 let AddedComplexity = 10 in {
1793 def PICSTR : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1794 4, IIC_iStore_r, [(store GPR:$src, addrmodepc:$addr)]>;
1796 def PICSTRH : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1797 4, IIC_iStore_bh_r, [(truncstorei16 GPR:$src,
1798 addrmodepc:$addr)]>;
1800 def PICSTRB : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1801 4, IIC_iStore_bh_r, [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
1803 } // isNotDuplicable = 1
1806 // LEApcrel - Load a pc-relative address into a register without offending the
1808 let neverHasSideEffects = 1, isReMaterializable = 1 in
1809 // The 'adr' mnemonic encodes differently if the label is before or after
1810 // the instruction. The {24-21} opcode bits are set by the fixup, as we don't
1811 // know until then which form of the instruction will be used.
1812 def ADR : AI1<{0,?,?,0}, (outs GPR:$Rd), (ins adrlabel:$label),
1813 MiscFrm, IIC_iALUi, "adr", "\t$Rd, $label", []> {
1816 let Inst{27-25} = 0b001;
1818 let Inst{23-22} = label{13-12};
1821 let Inst{19-16} = 0b1111;
1822 let Inst{15-12} = Rd;
1823 let Inst{11-0} = label{11-0};
1825 def LEApcrel : ARMPseudoInst<(outs GPR:$Rd), (ins i32imm:$label, pred:$p),
1828 def LEApcrelJT : ARMPseudoInst<(outs GPR:$Rd),
1829 (ins i32imm:$label, nohash_imm:$id, pred:$p),
1832 //===----------------------------------------------------------------------===//
1833 // Control Flow Instructions.
1836 let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
1838 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1839 "bx", "\tlr", [(ARMretflag)]>,
1840 Requires<[IsARM, HasV4T]> {
1841 let Inst{27-0} = 0b0001001011111111111100011110;
1845 def MOVPCLR : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1846 "mov", "\tpc, lr", [(ARMretflag)]>,
1847 Requires<[IsARM, NoV4T]> {
1848 let Inst{27-0} = 0b0001101000001111000000001110;
1852 // Indirect branches
1853 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
1855 def BX : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
1856 [(brind GPR:$dst)]>,
1857 Requires<[IsARM, HasV4T]> {
1859 let Inst{31-4} = 0b1110000100101111111111110001;
1860 let Inst{3-0} = dst;
1863 def BX_pred : AI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br,
1864 "bx", "\t$dst", [/* pattern left blank */]>,
1865 Requires<[IsARM, HasV4T]> {
1867 let Inst{27-4} = 0b000100101111111111110001;
1868 let Inst{3-0} = dst;
1872 // All calls clobber the non-callee saved registers. SP is marked as
1873 // a use to prevent stack-pointer assignments that appear immediately
1874 // before calls from potentially appearing dead.
1876 // On non-Darwin platforms R9 is callee-saved.
1877 // FIXME: Do we really need a non-predicated version? If so, it should
1878 // at least be a pseudo instruction expanding to the predicated version
1879 // at MC lowering time.
1880 Defs = [R0, R1, R2, R3, R12, LR, QQQQ0, QQQQ2, QQQQ3, CPSR, FPSCR],
1882 def BL : ABXI<0b1011, (outs), (ins bl_target:$func, variable_ops),
1883 IIC_Br, "bl\t$func",
1884 [(ARMcall tglobaladdr:$func)]>,
1885 Requires<[IsARM, IsNotDarwin]> {
1886 let Inst{31-28} = 0b1110;
1888 let Inst{23-0} = func;
1889 let DecoderMethod = "DecodeBranchImmInstruction";
1892 def BL_pred : ABI<0b1011, (outs), (ins bl_target:$func, variable_ops),
1893 IIC_Br, "bl", "\t$func",
1894 [(ARMcall_pred tglobaladdr:$func)]>,
1895 Requires<[IsARM, IsNotDarwin]> {
1897 let Inst{23-0} = func;
1898 let DecoderMethod = "DecodeBranchImmInstruction";
1902 def BLX : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1903 IIC_Br, "blx\t$func",
1904 [(ARMcall GPR:$func)]>,
1905 Requires<[IsARM, HasV5T, IsNotDarwin]> {
1907 let Inst{31-4} = 0b1110000100101111111111110011;
1908 let Inst{3-0} = func;
1911 def BLX_pred : AI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1912 IIC_Br, "blx", "\t$func",
1913 [(ARMcall_pred GPR:$func)]>,
1914 Requires<[IsARM, HasV5T, IsNotDarwin]> {
1916 let Inst{27-4} = 0b000100101111111111110011;
1917 let Inst{3-0} = func;
1921 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1922 def BX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1923 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1924 Requires<[IsARM, HasV4T, IsNotDarwin]>;
1927 def BMOVPCRX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1928 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1929 Requires<[IsARM, NoV4T, IsNotDarwin]>;
1933 // On Darwin R9 is call-clobbered.
1934 // R7 is marked as a use to prevent frame-pointer assignments from being
1935 // moved above / below calls.
1936 Defs = [R0, R1, R2, R3, R9, R12, LR, QQQQ0, QQQQ2, QQQQ3, CPSR, FPSCR],
1937 Uses = [R7, SP] in {
1938 def BLr9 : ARMPseudoExpand<(outs), (ins bl_target:$func, variable_ops),
1940 [(ARMcall tglobaladdr:$func)], (BL bl_target:$func)>,
1941 Requires<[IsARM, IsDarwin]>;
1943 def BLr9_pred : ARMPseudoExpand<(outs),
1944 (ins bl_target:$func, pred:$p, variable_ops),
1946 [(ARMcall_pred tglobaladdr:$func)],
1947 (BL_pred bl_target:$func, pred:$p)>,
1948 Requires<[IsARM, IsDarwin]>;
1951 def BLXr9 : ARMPseudoExpand<(outs), (ins GPR:$func, variable_ops),
1953 [(ARMcall GPR:$func)],
1955 Requires<[IsARM, HasV5T, IsDarwin]>;
1957 def BLXr9_pred: ARMPseudoExpand<(outs), (ins GPR:$func, pred:$p,variable_ops),
1959 [(ARMcall_pred GPR:$func)],
1960 (BLX_pred GPR:$func, pred:$p)>,
1961 Requires<[IsARM, HasV5T, IsDarwin]>;
1964 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1965 def BXr9_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1966 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1967 Requires<[IsARM, HasV4T, IsDarwin]>;
1970 def BMOVPCRXr9_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1971 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1972 Requires<[IsARM, NoV4T, IsDarwin]>;
1975 let isBranch = 1, isTerminator = 1 in {
1976 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
1977 // a two-value operand where a dag node expects two operands. :(
1978 def Bcc : ABI<0b1010, (outs), (ins br_target:$target),
1979 IIC_Br, "b", "\t$target",
1980 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]> {
1982 let Inst{23-0} = target;
1983 let DecoderMethod = "DecodeBranchImmInstruction";
1986 let isBarrier = 1 in {
1987 // B is "predicable" since it's just a Bcc with an 'always' condition.
1988 let isPredicable = 1 in
1989 // FIXME: We shouldn't need this pseudo at all. Just using Bcc directly
1990 // should be sufficient.
1991 // FIXME: Is B really a Barrier? That doesn't seem right.
1992 def B : ARMPseudoExpand<(outs), (ins br_target:$target), 4, IIC_Br,
1993 [(br bb:$target)], (Bcc br_target:$target, (ops 14, zero_reg))>;
1995 let isNotDuplicable = 1, isIndirectBranch = 1 in {
1996 def BR_JTr : ARMPseudoInst<(outs),
1997 (ins GPR:$target, i32imm:$jt, i32imm:$id),
1999 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]>;
2000 // FIXME: This shouldn't use the generic "addrmode2," but rather be split
2001 // into i12 and rs suffixed versions.
2002 def BR_JTm : ARMPseudoInst<(outs),
2003 (ins addrmode2:$target, i32imm:$jt, i32imm:$id),
2005 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
2007 def BR_JTadd : ARMPseudoInst<(outs),
2008 (ins GPR:$target, GPR:$idx, i32imm:$jt, i32imm:$id),
2010 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
2012 } // isNotDuplicable = 1, isIndirectBranch = 1
2018 def BLXi : AXI<(outs), (ins blx_target:$target), BrMiscFrm, NoItinerary,
2019 "blx\t$target", []>,
2020 Requires<[IsARM, HasV5T]> {
2021 let Inst{31-25} = 0b1111101;
2023 let Inst{23-0} = target{24-1};
2024 let Inst{24} = target{0};
2027 // Branch and Exchange Jazelle
2028 def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
2029 [/* pattern left blank */]> {
2031 let Inst{23-20} = 0b0010;
2032 let Inst{19-8} = 0xfff;
2033 let Inst{7-4} = 0b0010;
2034 let Inst{3-0} = func;
2039 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in {
2041 let Defs = [R0, R1, R2, R3, R9, R12, QQQQ0, QQQQ2, QQQQ3, PC],
2043 def TCRETURNdi : PseudoInst<(outs), (ins i32imm:$dst, variable_ops),
2044 IIC_Br, []>, Requires<[IsDarwin]>;
2046 def TCRETURNri : PseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
2047 IIC_Br, []>, Requires<[IsDarwin]>;
2049 def TAILJMPd : ARMPseudoExpand<(outs), (ins br_target:$dst, variable_ops),
2051 (Bcc br_target:$dst, (ops 14, zero_reg))>,
2052 Requires<[IsARM, IsDarwin]>;
2054 def TAILJMPr : ARMPseudoExpand<(outs), (ins tcGPR:$dst, variable_ops),
2057 Requires<[IsARM, IsDarwin]>;
2061 // Non-Darwin versions (the difference is R9).
2062 let Defs = [R0, R1, R2, R3, R12, QQQQ0, QQQQ2, QQQQ3, PC],
2064 def TCRETURNdiND : PseudoInst<(outs), (ins i32imm:$dst, variable_ops),
2065 IIC_Br, []>, Requires<[IsNotDarwin]>;
2067 def TCRETURNriND : PseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
2068 IIC_Br, []>, Requires<[IsNotDarwin]>;
2070 def TAILJMPdND : ARMPseudoExpand<(outs), (ins brtarget:$dst, variable_ops),
2072 (Bcc br_target:$dst, (ops 14, zero_reg))>,
2073 Requires<[IsARM, IsNotDarwin]>;
2075 def TAILJMPrND : ARMPseudoExpand<(outs), (ins tcGPR:$dst, variable_ops),
2078 Requires<[IsARM, IsNotDarwin]>;
2082 // Secure Monitor Call is a system instruction.
2083 def SMC : ABI<0b0001, (outs), (ins imm0_15:$opt), NoItinerary, "smc", "\t$opt",
2086 let Inst{23-4} = 0b01100000000000000111;
2087 let Inst{3-0} = opt;
2090 // Supervisor Call (Software Interrupt)
2091 let isCall = 1, Uses = [SP] in {
2092 def SVC : ABI<0b1111, (outs), (ins imm24b:$svc), IIC_Br, "svc", "\t$svc", []> {
2094 let Inst{23-0} = svc;
2098 // Store Return State
2099 class SRSI<bit wb, string asm>
2100 : XI<(outs), (ins imm0_31:$mode), AddrModeNone, 4, IndexModeNone, BrFrm,
2101 NoItinerary, asm, "", []> {
2103 let Inst{31-28} = 0b1111;
2104 let Inst{27-25} = 0b100;
2108 let Inst{19-16} = 0b1101; // SP
2109 let Inst{15-5} = 0b00000101000;
2110 let Inst{4-0} = mode;
2113 def SRSDA : SRSI<0, "srsda\tsp, $mode"> {
2114 let Inst{24-23} = 0;
2116 def SRSDA_UPD : SRSI<1, "srsda\tsp!, $mode"> {
2117 let Inst{24-23} = 0;
2119 def SRSDB : SRSI<0, "srsdb\tsp, $mode"> {
2120 let Inst{24-23} = 0b10;
2122 def SRSDB_UPD : SRSI<1, "srsdb\tsp!, $mode"> {
2123 let Inst{24-23} = 0b10;
2125 def SRSIA : SRSI<0, "srsia\tsp, $mode"> {
2126 let Inst{24-23} = 0b01;
2128 def SRSIA_UPD : SRSI<1, "srsia\tsp!, $mode"> {
2129 let Inst{24-23} = 0b01;
2131 def SRSIB : SRSI<0, "srsib\tsp, $mode"> {
2132 let Inst{24-23} = 0b11;
2134 def SRSIB_UPD : SRSI<1, "srsib\tsp!, $mode"> {
2135 let Inst{24-23} = 0b11;
2138 // Return From Exception
2139 class RFEI<bit wb, string asm>
2140 : XI<(outs), (ins GPR:$Rn), AddrModeNone, 4, IndexModeNone, BrFrm,
2141 NoItinerary, asm, "", []> {
2143 let Inst{31-28} = 0b1111;
2144 let Inst{27-25} = 0b100;
2148 let Inst{19-16} = Rn;
2149 let Inst{15-0} = 0xa00;
2152 def RFEDA : RFEI<0, "rfeda\t$Rn"> {
2153 let Inst{24-23} = 0;
2155 def RFEDA_UPD : RFEI<1, "rfeda\t$Rn!"> {
2156 let Inst{24-23} = 0;
2158 def RFEDB : RFEI<0, "rfedb\t$Rn"> {
2159 let Inst{24-23} = 0b10;
2161 def RFEDB_UPD : RFEI<1, "rfedb\t$Rn!"> {
2162 let Inst{24-23} = 0b10;
2164 def RFEIA : RFEI<0, "rfeia\t$Rn"> {
2165 let Inst{24-23} = 0b01;
2167 def RFEIA_UPD : RFEI<1, "rfeia\t$Rn!"> {
2168 let Inst{24-23} = 0b01;
2170 def RFEIB : RFEI<0, "rfeib\t$Rn"> {
2171 let Inst{24-23} = 0b11;
2173 def RFEIB_UPD : RFEI<1, "rfeib\t$Rn!"> {
2174 let Inst{24-23} = 0b11;
2177 //===----------------------------------------------------------------------===//
2178 // Load / store Instructions.
2184 defm LDR : AI_ldr1<0, "ldr", IIC_iLoad_r, IIC_iLoad_si,
2185 UnOpFrag<(load node:$Src)>>;
2186 defm LDRB : AI_ldr1nopc<1, "ldrb", IIC_iLoad_bh_r, IIC_iLoad_bh_si,
2187 UnOpFrag<(zextloadi8 node:$Src)>>;
2188 defm STR : AI_str1<0, "str", IIC_iStore_r, IIC_iStore_si,
2189 BinOpFrag<(store node:$LHS, node:$RHS)>>;
2190 defm STRB : AI_str1nopc<1, "strb", IIC_iStore_bh_r, IIC_iStore_bh_si,
2191 BinOpFrag<(truncstorei8 node:$LHS, node:$RHS)>>;
2193 // Special LDR for loads from non-pc-relative constpools.
2194 let canFoldAsLoad = 1, mayLoad = 1, neverHasSideEffects = 1,
2195 isReMaterializable = 1, isCodeGenOnly = 1 in
2196 def LDRcp : AI2ldst<0b010, 1, 0, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
2197 AddrMode_i12, LdFrm, IIC_iLoad_r, "ldr", "\t$Rt, $addr",
2201 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2202 let Inst{19-16} = 0b1111;
2203 let Inst{15-12} = Rt;
2204 let Inst{11-0} = addr{11-0}; // imm12
2207 // Loads with zero extension
2208 def LDRH : AI3ld<0b1011, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
2209 IIC_iLoad_bh_r, "ldrh", "\t$Rt, $addr",
2210 [(set GPR:$Rt, (zextloadi16 addrmode3:$addr))]>;
2212 // Loads with sign extension
2213 def LDRSH : AI3ld<0b1111, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
2214 IIC_iLoad_bh_r, "ldrsh", "\t$Rt, $addr",
2215 [(set GPR:$Rt, (sextloadi16 addrmode3:$addr))]>;
2217 def LDRSB : AI3ld<0b1101, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
2218 IIC_iLoad_bh_r, "ldrsb", "\t$Rt, $addr",
2219 [(set GPR:$Rt, (sextloadi8 addrmode3:$addr))]>;
2221 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1 in {
2223 def LDRD : AI3ld<0b1101, 0, (outs GPR:$Rd, GPR:$dst2),
2224 (ins addrmode3:$addr), LdMiscFrm,
2225 IIC_iLoad_d_r, "ldrd", "\t$Rd, $dst2, $addr",
2226 []>, Requires<[IsARM, HasV5TE]>;
2230 multiclass AI2_ldridx<bit isByte, string opc, InstrItinClass itin> {
2231 def _PRE_IMM : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb),
2232 (ins addrmode_imm12:$addr), IndexModePre, LdFrm, itin,
2233 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2236 let Inst{23} = addr{12};
2237 let Inst{19-16} = addr{16-13};
2238 let Inst{11-0} = addr{11-0};
2239 let DecoderMethod = "DecodeLDRPreImm";
2240 let AsmMatchConverter = "cvtLdWriteBackRegAddrModeImm12";
2243 def _PRE_REG : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb),
2244 (ins ldst_so_reg:$addr), IndexModePre, LdFrm, itin,
2245 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2248 let Inst{23} = addr{12};
2249 let Inst{19-16} = addr{16-13};
2250 let Inst{11-0} = addr{11-0};
2252 let DecoderMethod = "DecodeLDRPreReg";
2253 let AsmMatchConverter = "cvtLdWriteBackRegAddrMode2";
2256 def _POST_REG : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2257 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2258 IndexModePost, LdFrm, itin,
2259 opc, "\t$Rt, $addr, $offset",
2260 "$addr.base = $Rn_wb", []> {
2266 let Inst{23} = offset{12};
2267 let Inst{19-16} = addr;
2268 let Inst{11-0} = offset{11-0};
2270 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2273 def _POST_IMM : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2274 (ins addr_offset_none:$addr, am2offset_imm:$offset),
2275 IndexModePost, LdFrm, itin,
2276 opc, "\t$Rt, $addr, $offset",
2277 "$addr.base = $Rn_wb", []> {
2283 let Inst{23} = offset{12};
2284 let Inst{19-16} = addr;
2285 let Inst{11-0} = offset{11-0};
2287 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2292 let mayLoad = 1, neverHasSideEffects = 1 in {
2293 defm LDR : AI2_ldridx<0, "ldr", IIC_iLoad_ru>;
2294 defm LDRB : AI2_ldridx<1, "ldrb", IIC_iLoad_bh_ru>;
2297 multiclass AI3_ldridx<bits<4> op, string opc, InstrItinClass itin> {
2298 def _PRE : AI3ldstidx<op, 1, 1, (outs GPR:$Rt, GPR:$Rn_wb),
2299 (ins addrmode3:$addr), IndexModePre,
2301 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2303 let Inst{23} = addr{8}; // U bit
2304 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2305 let Inst{19-16} = addr{12-9}; // Rn
2306 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2307 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2308 let AsmMatchConverter = "cvtLdWriteBackRegAddrMode3";
2309 let DecoderMethod = "DecodeAddrMode3Instruction";
2311 def _POST : AI3ldstidx<op, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2312 (ins addr_offset_none:$addr, am3offset:$offset),
2313 IndexModePost, LdMiscFrm, itin,
2314 opc, "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb",
2318 let Inst{23} = offset{8}; // U bit
2319 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2320 let Inst{19-16} = addr;
2321 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2322 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2323 let DecoderMethod = "DecodeAddrMode3Instruction";
2327 let mayLoad = 1, neverHasSideEffects = 1 in {
2328 defm LDRH : AI3_ldridx<0b1011, "ldrh", IIC_iLoad_bh_ru>;
2329 defm LDRSH : AI3_ldridx<0b1111, "ldrsh", IIC_iLoad_bh_ru>;
2330 defm LDRSB : AI3_ldridx<0b1101, "ldrsb", IIC_iLoad_bh_ru>;
2331 let hasExtraDefRegAllocReq = 1 in {
2332 def LDRD_PRE : AI3ldstidx<0b1101, 0, 1, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
2333 (ins addrmode3:$addr), IndexModePre,
2334 LdMiscFrm, IIC_iLoad_d_ru,
2335 "ldrd", "\t$Rt, $Rt2, $addr!",
2336 "$addr.base = $Rn_wb", []> {
2338 let Inst{23} = addr{8}; // U bit
2339 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2340 let Inst{19-16} = addr{12-9}; // Rn
2341 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2342 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2343 let DecoderMethod = "DecodeAddrMode3Instruction";
2344 let AsmMatchConverter = "cvtLdrdPre";
2346 def LDRD_POST: AI3ldstidx<0b1101, 0, 0, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
2347 (ins addr_offset_none:$addr, am3offset:$offset),
2348 IndexModePost, LdMiscFrm, IIC_iLoad_d_ru,
2349 "ldrd", "\t$Rt, $Rt2, $addr, $offset",
2350 "$addr.base = $Rn_wb", []> {
2353 let Inst{23} = offset{8}; // U bit
2354 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2355 let Inst{19-16} = addr;
2356 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2357 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2358 let DecoderMethod = "DecodeAddrMode3Instruction";
2360 } // hasExtraDefRegAllocReq = 1
2361 } // mayLoad = 1, neverHasSideEffects = 1
2363 // LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT.
2364 let mayLoad = 1, neverHasSideEffects = 1 in {
2365 def LDRT_POST_REG : AI2ldstidx<1, 0, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2366 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2367 IndexModePost, LdFrm, IIC_iLoad_ru,
2368 "ldrt", "\t$Rt, $addr, $offset",
2369 "$addr.base = $Rn_wb", []> {
2375 let Inst{23} = offset{12};
2376 let Inst{21} = 1; // overwrite
2377 let Inst{19-16} = addr;
2378 let Inst{11-5} = offset{11-5};
2380 let Inst{3-0} = offset{3-0};
2381 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2384 def LDRT_POST_IMM : AI2ldstidx<1, 0, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2385 (ins addr_offset_none:$addr, am2offset_imm:$offset),
2386 IndexModePost, LdFrm, IIC_iLoad_ru,
2387 "ldrt", "\t$Rt, $addr, $offset",
2388 "$addr.base = $Rn_wb", []> {
2394 let Inst{23} = offset{12};
2395 let Inst{21} = 1; // overwrite
2396 let Inst{19-16} = addr;
2397 let Inst{11-0} = offset{11-0};
2398 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2401 def LDRBT_POST_REG : AI2ldstidx<1, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2402 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2403 IndexModePost, LdFrm, IIC_iLoad_bh_ru,
2404 "ldrbt", "\t$Rt, $addr, $offset",
2405 "$addr.base = $Rn_wb", []> {
2411 let Inst{23} = offset{12};
2412 let Inst{21} = 1; // overwrite
2413 let Inst{19-16} = addr;
2414 let Inst{11-5} = offset{11-5};
2416 let Inst{3-0} = offset{3-0};
2417 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2420 def LDRBT_POST_IMM : AI2ldstidx<1, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2421 (ins addr_offset_none:$addr, am2offset_imm:$offset),
2422 IndexModePost, LdFrm, IIC_iLoad_bh_ru,
2423 "ldrbt", "\t$Rt, $addr, $offset",
2424 "$addr.base = $Rn_wb", []> {
2430 let Inst{23} = offset{12};
2431 let Inst{21} = 1; // overwrite
2432 let Inst{19-16} = addr;
2433 let Inst{11-0} = offset{11-0};
2434 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2437 multiclass AI3ldrT<bits<4> op, string opc> {
2438 def i : AI3ldstidxT<op, 1, (outs GPR:$Rt, GPR:$base_wb),
2439 (ins addr_offset_none:$addr, postidx_imm8:$offset),
2440 IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru, opc,
2441 "\t$Rt, $addr, $offset", "$addr.base = $base_wb", []> {
2443 let Inst{23} = offset{8};
2445 let Inst{11-8} = offset{7-4};
2446 let Inst{3-0} = offset{3-0};
2447 let AsmMatchConverter = "cvtLdExtTWriteBackImm";
2449 def r : AI3ldstidxT<op, 1, (outs GPR:$Rt, GPR:$base_wb),
2450 (ins addr_offset_none:$addr, postidx_reg:$Rm),
2451 IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru, opc,
2452 "\t$Rt, $addr, $Rm", "$addr.base = $base_wb", []> {
2454 let Inst{23} = Rm{4};
2457 let Inst{3-0} = Rm{3-0};
2458 let AsmMatchConverter = "cvtLdExtTWriteBackReg";
2462 defm LDRSBT : AI3ldrT<0b1101, "ldrsbt">;
2463 defm LDRHT : AI3ldrT<0b1011, "ldrht">;
2464 defm LDRSHT : AI3ldrT<0b1111, "ldrsht">;
2469 // Stores with truncate
2470 def STRH : AI3str<0b1011, (outs), (ins GPR:$Rt, addrmode3:$addr), StMiscFrm,
2471 IIC_iStore_bh_r, "strh", "\t$Rt, $addr",
2472 [(truncstorei16 GPR:$Rt, addrmode3:$addr)]>;
2475 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in
2476 def STRD : AI3str<0b1111, (outs), (ins GPR:$Rt, GPR:$src2, addrmode3:$addr),
2477 StMiscFrm, IIC_iStore_d_r,
2478 "strd", "\t$Rt, $src2, $addr", []>,
2479 Requires<[IsARM, HasV5TE]> {
2484 multiclass AI2_stridx<bit isByte, string opc, InstrItinClass itin> {
2485 def _PRE_IMM : AI2ldstidx<0, isByte, 1, (outs GPR:$Rn_wb),
2486 (ins GPR:$Rt, addrmode_imm12:$addr), IndexModePre,
2488 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2491 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2492 let Inst{19-16} = addr{16-13}; // Rn
2493 let Inst{11-0} = addr{11-0}; // imm12
2494 let AsmMatchConverter = "cvtStWriteBackRegAddrModeImm12";
2495 let DecoderMethod = "DecodeSTRPreImm";
2498 def _PRE_REG : AI2ldstidx<0, isByte, 1, (outs GPR:$Rn_wb),
2499 (ins GPR:$Rt, ldst_so_reg:$addr),
2500 IndexModePre, StFrm, itin,
2501 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2504 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2505 let Inst{19-16} = addr{16-13}; // Rn
2506 let Inst{11-0} = addr{11-0};
2507 let Inst{4} = 0; // Inst{4} = 0
2508 let AsmMatchConverter = "cvtStWriteBackRegAddrMode2";
2509 let DecoderMethod = "DecodeSTRPreReg";
2511 def _POST_REG : AI2ldstidx<0, isByte, 0, (outs GPR:$Rn_wb),
2512 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_reg:$offset),
2513 IndexModePost, StFrm, itin,
2514 opc, "\t$Rt, $addr, $offset",
2515 "$addr.base = $Rn_wb", []> {
2521 let Inst{23} = offset{12};
2522 let Inst{19-16} = addr;
2523 let Inst{11-0} = offset{11-0};
2525 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2528 def _POST_IMM : AI2ldstidx<0, isByte, 0, (outs GPR:$Rn_wb),
2529 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_imm:$offset),
2530 IndexModePost, StFrm, itin,
2531 opc, "\t$Rt, $addr, $offset",
2532 "$addr.base = $Rn_wb", []> {
2538 let Inst{23} = offset{12};
2539 let Inst{19-16} = addr;
2540 let Inst{11-0} = offset{11-0};
2542 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2546 let mayStore = 1, neverHasSideEffects = 1 in {
2547 defm STR : AI2_stridx<0, "str", IIC_iStore_ru>;
2548 defm STRB : AI2_stridx<1, "strb", IIC_iStore_bh_ru>;
2551 def : ARMPat<(post_store GPR:$Rt, addr_offset_none:$addr,
2552 am2offset_reg:$offset),
2553 (STR_POST_REG GPR:$Rt, addr_offset_none:$addr,
2554 am2offset_reg:$offset)>;
2555 def : ARMPat<(post_store GPR:$Rt, addr_offset_none:$addr,
2556 am2offset_imm:$offset),
2557 (STR_POST_IMM GPR:$Rt, addr_offset_none:$addr,
2558 am2offset_imm:$offset)>;
2559 def : ARMPat<(post_truncsti8 GPR:$Rt, addr_offset_none:$addr,
2560 am2offset_reg:$offset),
2561 (STRB_POST_REG GPR:$Rt, addr_offset_none:$addr,
2562 am2offset_reg:$offset)>;
2563 def : ARMPat<(post_truncsti8 GPR:$Rt, addr_offset_none:$addr,
2564 am2offset_imm:$offset),
2565 (STRB_POST_IMM GPR:$Rt, addr_offset_none:$addr,
2566 am2offset_imm:$offset)>;
2568 // Pseudo-instructions for pattern matching the pre-indexed stores. We can't
2569 // put the patterns on the instruction definitions directly as ISel wants
2570 // the address base and offset to be separate operands, not a single
2571 // complex operand like we represent the instructions themselves. The
2572 // pseudos map between the two.
2573 let usesCustomInserter = 1,
2574 Constraints = "$Rn = $Rn_wb,@earlyclobber $Rn_wb" in {
2575 def STRi_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2576 (ins GPR:$Rt, GPR:$Rn, am2offset_imm:$offset, pred:$p),
2579 (pre_store GPR:$Rt, GPR:$Rn, am2offset_imm:$offset))]>;
2580 def STRr_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2581 (ins GPR:$Rt, GPR:$Rn, am2offset_reg:$offset, pred:$p),
2584 (pre_store GPR:$Rt, GPR:$Rn, am2offset_reg:$offset))]>;
2585 def STRBi_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2586 (ins GPR:$Rt, GPR:$Rn, am2offset_imm:$offset, pred:$p),
2589 (pre_truncsti8 GPR:$Rt, GPR:$Rn, am2offset_imm:$offset))]>;
2590 def STRBr_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2591 (ins GPR:$Rt, GPR:$Rn, am2offset_reg:$offset, pred:$p),
2594 (pre_truncsti8 GPR:$Rt, GPR:$Rn, am2offset_reg:$offset))]>;
2595 def STRH_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2596 (ins GPR:$Rt, GPR:$Rn, am3offset:$offset, pred:$p),
2599 (pre_truncsti16 GPR:$Rt, GPR:$Rn, am3offset:$offset))]>;
2604 def STRH_PRE : AI3ldstidx<0b1011, 0, 1, (outs GPR:$Rn_wb),
2605 (ins GPR:$Rt, addrmode3:$addr), IndexModePre,
2606 StMiscFrm, IIC_iStore_bh_ru,
2607 "strh", "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2609 let Inst{23} = addr{8}; // U bit
2610 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2611 let Inst{19-16} = addr{12-9}; // Rn
2612 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2613 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2614 let AsmMatchConverter = "cvtStWriteBackRegAddrMode3";
2615 let DecoderMethod = "DecodeAddrMode3Instruction";
2618 def STRH_POST : AI3ldstidx<0b1011, 0, 0, (outs GPR:$Rn_wb),
2619 (ins GPR:$Rt, addr_offset_none:$addr, am3offset:$offset),
2620 IndexModePost, StMiscFrm, IIC_iStore_bh_ru,
2621 "strh", "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb",
2622 [(set GPR:$Rn_wb, (post_truncsti16 GPR:$Rt,
2623 addr_offset_none:$addr,
2624 am3offset:$offset))]> {
2627 let Inst{23} = offset{8}; // U bit
2628 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2629 let Inst{19-16} = addr;
2630 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2631 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2632 let DecoderMethod = "DecodeAddrMode3Instruction";
2635 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in {
2636 def STRD_PRE : AI3ldstidx<0b1111, 0, 1, (outs GPR:$Rn_wb),
2637 (ins GPR:$Rt, GPR:$Rt2, addrmode3:$addr),
2638 IndexModePre, StMiscFrm, IIC_iStore_d_ru,
2639 "strd", "\t$Rt, $Rt2, $addr!",
2640 "$addr.base = $Rn_wb", []> {
2642 let Inst{23} = addr{8}; // U bit
2643 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2644 let Inst{19-16} = addr{12-9}; // Rn
2645 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2646 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2647 let DecoderMethod = "DecodeAddrMode3Instruction";
2648 let AsmMatchConverter = "cvtStrdPre";
2651 def STRD_POST: AI3ldstidx<0b1111, 0, 0, (outs GPR:$Rn_wb),
2652 (ins GPR:$Rt, GPR:$Rt2, addr_offset_none:$addr,
2654 IndexModePost, StMiscFrm, IIC_iStore_d_ru,
2655 "strd", "\t$Rt, $Rt2, $addr, $offset",
2656 "$addr.base = $Rn_wb", []> {
2659 let Inst{23} = offset{8}; // U bit
2660 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2661 let Inst{19-16} = addr;
2662 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2663 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2664 let DecoderMethod = "DecodeAddrMode3Instruction";
2666 } // mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1
2668 // STRT, STRBT, and STRHT
2670 def STRBT_POST_REG : AI2ldstidx<0, 1, 0, (outs GPR:$Rn_wb),
2671 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_reg:$offset),
2672 IndexModePost, StFrm, IIC_iStore_bh_ru,
2673 "strbt", "\t$Rt, $addr, $offset",
2674 "$addr.base = $Rn_wb", []> {
2680 let Inst{23} = offset{12};
2681 let Inst{21} = 1; // overwrite
2682 let Inst{19-16} = addr;
2683 let Inst{11-5} = offset{11-5};
2685 let Inst{3-0} = offset{3-0};
2686 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2689 def STRBT_POST_IMM : AI2ldstidx<0, 1, 0, (outs GPR:$Rn_wb),
2690 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_imm:$offset),
2691 IndexModePost, StFrm, IIC_iStore_bh_ru,
2692 "strbt", "\t$Rt, $addr, $offset",
2693 "$addr.base = $Rn_wb", []> {
2699 let Inst{23} = offset{12};
2700 let Inst{21} = 1; // overwrite
2701 let Inst{19-16} = addr;
2702 let Inst{11-0} = offset{11-0};
2703 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2706 let mayStore = 1, neverHasSideEffects = 1 in {
2707 def STRT_POST_REG : AI2ldstidx<0, 0, 0, (outs GPR:$Rn_wb),
2708 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_reg:$offset),
2709 IndexModePost, StFrm, IIC_iStore_ru,
2710 "strt", "\t$Rt, $addr, $offset",
2711 "$addr.base = $Rn_wb", []> {
2717 let Inst{23} = offset{12};
2718 let Inst{21} = 1; // overwrite
2719 let Inst{19-16} = addr;
2720 let Inst{11-5} = offset{11-5};
2722 let Inst{3-0} = offset{3-0};
2723 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2726 def STRT_POST_IMM : AI2ldstidx<0, 0, 0, (outs GPR:$Rn_wb),
2727 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_imm:$offset),
2728 IndexModePost, StFrm, IIC_iStore_ru,
2729 "strt", "\t$Rt, $addr, $offset",
2730 "$addr.base = $Rn_wb", []> {
2736 let Inst{23} = offset{12};
2737 let Inst{21} = 1; // overwrite
2738 let Inst{19-16} = addr;
2739 let Inst{11-0} = offset{11-0};
2740 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2745 multiclass AI3strT<bits<4> op, string opc> {
2746 def i : AI3ldstidxT<op, 0, (outs GPR:$base_wb),
2747 (ins GPR:$Rt, addr_offset_none:$addr, postidx_imm8:$offset),
2748 IndexModePost, StMiscFrm, IIC_iStore_bh_ru, opc,
2749 "\t$Rt, $addr, $offset", "$addr.base = $base_wb", []> {
2751 let Inst{23} = offset{8};
2753 let Inst{11-8} = offset{7-4};
2754 let Inst{3-0} = offset{3-0};
2755 let AsmMatchConverter = "cvtStExtTWriteBackImm";
2757 def r : AI3ldstidxT<op, 0, (outs GPR:$base_wb),
2758 (ins GPR:$Rt, addr_offset_none:$addr, postidx_reg:$Rm),
2759 IndexModePost, StMiscFrm, IIC_iStore_bh_ru, opc,
2760 "\t$Rt, $addr, $Rm", "$addr.base = $base_wb", []> {
2762 let Inst{23} = Rm{4};
2765 let Inst{3-0} = Rm{3-0};
2766 let AsmMatchConverter = "cvtStExtTWriteBackReg";
2771 defm STRHT : AI3strT<0b1011, "strht">;
2774 //===----------------------------------------------------------------------===//
2775 // Load / store multiple Instructions.
2778 multiclass arm_ldst_mult<string asm, bit L_bit, Format f,
2779 InstrItinClass itin, InstrItinClass itin_upd> {
2780 // IA is the default, so no need for an explicit suffix on the
2781 // mnemonic here. Without it is the cannonical spelling.
2783 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2784 IndexModeNone, f, itin,
2785 !strconcat(asm, "${p}\t$Rn, $regs"), "", []> {
2786 let Inst{24-23} = 0b01; // Increment After
2787 let Inst{21} = 0; // No writeback
2788 let Inst{20} = L_bit;
2791 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2792 IndexModeUpd, f, itin_upd,
2793 !strconcat(asm, "${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
2794 let Inst{24-23} = 0b01; // Increment After
2795 let Inst{21} = 1; // Writeback
2796 let Inst{20} = L_bit;
2798 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
2801 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2802 IndexModeNone, f, itin,
2803 !strconcat(asm, "da${p}\t$Rn, $regs"), "", []> {
2804 let Inst{24-23} = 0b00; // Decrement After
2805 let Inst{21} = 0; // No writeback
2806 let Inst{20} = L_bit;
2809 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2810 IndexModeUpd, f, itin_upd,
2811 !strconcat(asm, "da${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
2812 let Inst{24-23} = 0b00; // Decrement After
2813 let Inst{21} = 1; // Writeback
2814 let Inst{20} = L_bit;
2816 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
2819 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2820 IndexModeNone, f, itin,
2821 !strconcat(asm, "db${p}\t$Rn, $regs"), "", []> {
2822 let Inst{24-23} = 0b10; // Decrement Before
2823 let Inst{21} = 0; // No writeback
2824 let Inst{20} = L_bit;
2827 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2828 IndexModeUpd, f, itin_upd,
2829 !strconcat(asm, "db${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
2830 let Inst{24-23} = 0b10; // Decrement Before
2831 let Inst{21} = 1; // Writeback
2832 let Inst{20} = L_bit;
2834 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
2837 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2838 IndexModeNone, f, itin,
2839 !strconcat(asm, "ib${p}\t$Rn, $regs"), "", []> {
2840 let Inst{24-23} = 0b11; // Increment Before
2841 let Inst{21} = 0; // No writeback
2842 let Inst{20} = L_bit;
2845 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2846 IndexModeUpd, f, itin_upd,
2847 !strconcat(asm, "ib${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
2848 let Inst{24-23} = 0b11; // Increment Before
2849 let Inst{21} = 1; // Writeback
2850 let Inst{20} = L_bit;
2852 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
2856 let neverHasSideEffects = 1 in {
2858 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
2859 defm LDM : arm_ldst_mult<"ldm", 1, LdStMulFrm, IIC_iLoad_m, IIC_iLoad_mu>;
2861 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
2862 defm STM : arm_ldst_mult<"stm", 0, LdStMulFrm, IIC_iStore_m, IIC_iStore_mu>;
2864 } // neverHasSideEffects
2866 // FIXME: remove when we have a way to marking a MI with these properties.
2867 // FIXME: Should pc be an implicit operand like PICADD, etc?
2868 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
2869 hasExtraDefRegAllocReq = 1, isCodeGenOnly = 1 in
2870 def LDMIA_RET : ARMPseudoExpand<(outs GPR:$wb), (ins GPR:$Rn, pred:$p,
2871 reglist:$regs, variable_ops),
2872 4, IIC_iLoad_mBr, [],
2873 (LDMIA_UPD GPR:$wb, GPR:$Rn, pred:$p, reglist:$regs)>,
2874 RegConstraint<"$Rn = $wb">;
2876 //===----------------------------------------------------------------------===//
2877 // Move Instructions.
2880 let neverHasSideEffects = 1 in
2881 def MOVr : AsI1<0b1101, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMOVr,
2882 "mov", "\t$Rd, $Rm", []>, UnaryDP {
2886 let Inst{19-16} = 0b0000;
2887 let Inst{11-4} = 0b00000000;
2890 let Inst{15-12} = Rd;
2893 // A version for the smaller set of tail call registers.
2894 let neverHasSideEffects = 1 in
2895 def MOVr_TC : AsI1<0b1101, (outs tcGPR:$Rd), (ins tcGPR:$Rm), DPFrm,
2896 IIC_iMOVr, "mov", "\t$Rd, $Rm", []>, UnaryDP {
2900 let Inst{11-4} = 0b00000000;
2903 let Inst{15-12} = Rd;
2906 def MOVsr : AsI1<0b1101, (outs GPRnopc:$Rd), (ins shift_so_reg_reg:$src),
2907 DPSoRegRegFrm, IIC_iMOVsr,
2908 "mov", "\t$Rd, $src",
2909 [(set GPRnopc:$Rd, shift_so_reg_reg:$src)]>, UnaryDP {
2912 let Inst{15-12} = Rd;
2913 let Inst{19-16} = 0b0000;
2914 let Inst{11-8} = src{11-8};
2916 let Inst{6-5} = src{6-5};
2918 let Inst{3-0} = src{3-0};
2922 def MOVsi : AsI1<0b1101, (outs GPR:$Rd), (ins shift_so_reg_imm:$src),
2923 DPSoRegImmFrm, IIC_iMOVsr,
2924 "mov", "\t$Rd, $src", [(set GPR:$Rd, shift_so_reg_imm:$src)]>,
2928 let Inst{15-12} = Rd;
2929 let Inst{19-16} = 0b0000;
2930 let Inst{11-5} = src{11-5};
2932 let Inst{3-0} = src{3-0};
2936 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
2937 def MOVi : AsI1<0b1101, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm, IIC_iMOVi,
2938 "mov", "\t$Rd, $imm", [(set GPR:$Rd, so_imm:$imm)]>, UnaryDP {
2942 let Inst{15-12} = Rd;
2943 let Inst{19-16} = 0b0000;
2944 let Inst{11-0} = imm;
2947 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
2948 def MOVi16 : AI1<0b1000, (outs GPR:$Rd), (ins imm0_65535_expr:$imm),
2950 "movw", "\t$Rd, $imm",
2951 [(set GPR:$Rd, imm0_65535:$imm)]>,
2952 Requires<[IsARM, HasV6T2]>, UnaryDP {
2955 let Inst{15-12} = Rd;
2956 let Inst{11-0} = imm{11-0};
2957 let Inst{19-16} = imm{15-12};
2962 def : InstAlias<"mov${p} $Rd, $imm",
2963 (MOVi16 GPR:$Rd, imm0_65535_expr:$imm, pred:$p)>,
2966 def MOVi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
2967 (ins i32imm:$addr, pclabel:$id), IIC_iMOVi, []>;
2969 let Constraints = "$src = $Rd" in {
2970 def MOVTi16 : AI1<0b1010, (outs GPRnopc:$Rd),
2971 (ins GPR:$src, imm0_65535_expr:$imm),
2973 "movt", "\t$Rd, $imm",
2975 (or (and GPR:$src, 0xffff),
2976 lo16AllZero:$imm))]>, UnaryDP,
2977 Requires<[IsARM, HasV6T2]> {
2980 let Inst{15-12} = Rd;
2981 let Inst{11-0} = imm{11-0};
2982 let Inst{19-16} = imm{15-12};
2987 def MOVTi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
2988 (ins GPR:$src, i32imm:$addr, pclabel:$id), IIC_iMOVi, []>;
2992 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
2993 Requires<[IsARM, HasV6T2]>;
2995 let Uses = [CPSR] in
2996 def RRX: PseudoInst<(outs GPR:$Rd), (ins GPR:$Rm), IIC_iMOVsi,
2997 [(set GPR:$Rd, (ARMrrx GPR:$Rm))]>, UnaryDP,
3000 // These aren't really mov instructions, but we have to define them this way
3001 // due to flag operands.
3003 let Defs = [CPSR] in {
3004 def MOVsrl_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
3005 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP,
3007 def MOVsra_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
3008 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP,
3012 //===----------------------------------------------------------------------===//
3013 // Extend Instructions.
3018 def SXTB : AI_ext_rrot<0b01101010,
3019 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
3020 def SXTH : AI_ext_rrot<0b01101011,
3021 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
3023 def SXTAB : AI_exta_rrot<0b01101010,
3024 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
3025 def SXTAH : AI_exta_rrot<0b01101011,
3026 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
3028 def SXTB16 : AI_ext_rrot_np<0b01101000, "sxtb16">;
3030 def SXTAB16 : AI_exta_rrot_np<0b01101000, "sxtab16">;
3034 let AddedComplexity = 16 in {
3035 def UXTB : AI_ext_rrot<0b01101110,
3036 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
3037 def UXTH : AI_ext_rrot<0b01101111,
3038 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
3039 def UXTB16 : AI_ext_rrot<0b01101100,
3040 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
3042 // FIXME: This pattern incorrectly assumes the shl operator is a rotate.
3043 // The transformation should probably be done as a combiner action
3044 // instead so we can include a check for masking back in the upper
3045 // eight bits of the source into the lower eight bits of the result.
3046 //def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
3047 // (UXTB16r_rot GPR:$Src, 3)>;
3048 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
3049 (UXTB16 GPR:$Src, 1)>;
3051 def UXTAB : AI_exta_rrot<0b01101110, "uxtab",
3052 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
3053 def UXTAH : AI_exta_rrot<0b01101111, "uxtah",
3054 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
3057 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
3058 def UXTAB16 : AI_exta_rrot_np<0b01101100, "uxtab16">;
3061 def SBFX : I<(outs GPRnopc:$Rd),
3062 (ins GPRnopc:$Rn, imm0_31:$lsb, imm1_32:$width),
3063 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3064 "sbfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
3065 Requires<[IsARM, HasV6T2]> {
3070 let Inst{27-21} = 0b0111101;
3071 let Inst{6-4} = 0b101;
3072 let Inst{20-16} = width;
3073 let Inst{15-12} = Rd;
3074 let Inst{11-7} = lsb;
3078 def UBFX : I<(outs GPR:$Rd),
3079 (ins GPR:$Rn, imm0_31:$lsb, imm1_32:$width),
3080 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3081 "ubfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
3082 Requires<[IsARM, HasV6T2]> {
3087 let Inst{27-21} = 0b0111111;
3088 let Inst{6-4} = 0b101;
3089 let Inst{20-16} = width;
3090 let Inst{15-12} = Rd;
3091 let Inst{11-7} = lsb;
3095 //===----------------------------------------------------------------------===//
3096 // Arithmetic Instructions.
3099 defm ADD : AsI1_bin_irs<0b0100, "add",
3100 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3101 BinOpFrag<(add node:$LHS, node:$RHS)>, "ADD", 1>;
3102 defm SUB : AsI1_bin_irs<0b0010, "sub",
3103 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3104 BinOpFrag<(sub node:$LHS, node:$RHS)>, "SUB">;
3106 // ADD and SUB with 's' bit set.
3107 defm ADDS : AI1_bin_s_irs<0b0100, "adds",
3108 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3109 BinOpFrag<(ARMaddc node:$LHS, node:$RHS)>, 1>;
3110 defm SUBS : AI1_bin_s_irs<0b0010, "subs",
3111 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3112 BinOpFrag<(ARMsubc node:$LHS, node:$RHS)>>;
3114 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
3115 BinOpWithFlagFrag<(ARMadde node:$LHS, node:$RHS, node:$FLAG)>,
3117 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
3118 BinOpWithFlagFrag<(ARMsube node:$LHS, node:$RHS, node:$FLAG)>,
3121 defm RSB : AsI1_rbin_irs <0b0011, "rsb",
3122 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3123 BinOpFrag<(sub node:$LHS, node:$RHS)>, "RSB">;
3124 defm RSBS : AsI1_rbin_s_is<0b0011, "rsb",
3125 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3126 BinOpFrag<(ARMsubc node:$LHS, node:$RHS)>>;
3128 defm RSC : AI1_rsc_irs<0b0111, "rsc",
3129 BinOpWithFlagFrag<(ARMsube node:$LHS, node:$RHS, node:$FLAG)>,
3132 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
3133 // The assume-no-carry-in form uses the negation of the input since add/sub
3134 // assume opposite meanings of the carry flag (i.e., carry == !borrow).
3135 // See the definition of AddWithCarry() in the ARM ARM A2.2.1 for the gory
3137 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
3138 (SUBri GPR:$src, so_imm_neg:$imm)>;
3139 def : ARMPat<(ARMaddc GPR:$src, so_imm_neg:$imm),
3140 (SUBSri GPR:$src, so_imm_neg:$imm)>;
3142 // The with-carry-in form matches bitwise not instead of the negation.
3143 // Effectively, the inverse interpretation of the carry flag already accounts
3144 // for part of the negation.
3145 def : ARMPat<(ARMadde GPR:$src, so_imm_not:$imm, CPSR),
3146 (SBCri GPR:$src, so_imm_not:$imm)>;
3148 // Note: These are implemented in C++ code, because they have to generate
3149 // ADD/SUBrs instructions, which use a complex pattern that a xform function
3151 // (mul X, 2^n+1) -> (add (X << n), X)
3152 // (mul X, 2^n-1) -> (rsb X, (X << n))
3154 // ARM Arithmetic Instruction
3155 // GPR:$dst = GPR:$a op GPR:$b
3156 class AAI<bits<8> op27_20, bits<8> op11_4, string opc,
3157 list<dag> pattern = [],
3158 dag iops = (ins GPRnopc:$Rn, GPRnopc:$Rm),
3159 string asm = "\t$Rd, $Rn, $Rm">
3160 : AI<(outs GPRnopc:$Rd), iops, DPFrm, IIC_iALUr, opc, asm, pattern> {
3164 let Inst{27-20} = op27_20;
3165 let Inst{11-4} = op11_4;
3166 let Inst{19-16} = Rn;
3167 let Inst{15-12} = Rd;
3171 // Saturating add/subtract
3173 def QADD : AAI<0b00010000, 0b00000101, "qadd",
3174 [(set GPRnopc:$Rd, (int_arm_qadd GPRnopc:$Rm, GPRnopc:$Rn))],
3175 (ins GPRnopc:$Rm, GPRnopc:$Rn), "\t$Rd, $Rm, $Rn">;
3176 def QSUB : AAI<0b00010010, 0b00000101, "qsub",
3177 [(set GPRnopc:$Rd, (int_arm_qsub GPRnopc:$Rm, GPRnopc:$Rn))],
3178 (ins GPRnopc:$Rm, GPRnopc:$Rn), "\t$Rd, $Rm, $Rn">;
3179 def QDADD : AAI<0b00010100, 0b00000101, "qdadd", [],
3180 (ins GPRnopc:$Rm, GPRnopc:$Rn),
3182 def QDSUB : AAI<0b00010110, 0b00000101, "qdsub", [],
3183 (ins GPRnopc:$Rm, GPRnopc:$Rn),
3186 def QADD16 : AAI<0b01100010, 0b11110001, "qadd16">;
3187 def QADD8 : AAI<0b01100010, 0b11111001, "qadd8">;
3188 def QASX : AAI<0b01100010, 0b11110011, "qasx">;
3189 def QSAX : AAI<0b01100010, 0b11110101, "qsax">;
3190 def QSUB16 : AAI<0b01100010, 0b11110111, "qsub16">;
3191 def QSUB8 : AAI<0b01100010, 0b11111111, "qsub8">;
3192 def UQADD16 : AAI<0b01100110, 0b11110001, "uqadd16">;
3193 def UQADD8 : AAI<0b01100110, 0b11111001, "uqadd8">;
3194 def UQASX : AAI<0b01100110, 0b11110011, "uqasx">;
3195 def UQSAX : AAI<0b01100110, 0b11110101, "uqsax">;
3196 def UQSUB16 : AAI<0b01100110, 0b11110111, "uqsub16">;
3197 def UQSUB8 : AAI<0b01100110, 0b11111111, "uqsub8">;
3199 // Signed/Unsigned add/subtract
3201 def SASX : AAI<0b01100001, 0b11110011, "sasx">;
3202 def SADD16 : AAI<0b01100001, 0b11110001, "sadd16">;
3203 def SADD8 : AAI<0b01100001, 0b11111001, "sadd8">;
3204 def SSAX : AAI<0b01100001, 0b11110101, "ssax">;
3205 def SSUB16 : AAI<0b01100001, 0b11110111, "ssub16">;
3206 def SSUB8 : AAI<0b01100001, 0b11111111, "ssub8">;
3207 def UASX : AAI<0b01100101, 0b11110011, "uasx">;
3208 def UADD16 : AAI<0b01100101, 0b11110001, "uadd16">;
3209 def UADD8 : AAI<0b01100101, 0b11111001, "uadd8">;
3210 def USAX : AAI<0b01100101, 0b11110101, "usax">;
3211 def USUB16 : AAI<0b01100101, 0b11110111, "usub16">;
3212 def USUB8 : AAI<0b01100101, 0b11111111, "usub8">;
3214 // Signed/Unsigned halving add/subtract
3216 def SHASX : AAI<0b01100011, 0b11110011, "shasx">;
3217 def SHADD16 : AAI<0b01100011, 0b11110001, "shadd16">;
3218 def SHADD8 : AAI<0b01100011, 0b11111001, "shadd8">;
3219 def SHSAX : AAI<0b01100011, 0b11110101, "shsax">;
3220 def SHSUB16 : AAI<0b01100011, 0b11110111, "shsub16">;
3221 def SHSUB8 : AAI<0b01100011, 0b11111111, "shsub8">;
3222 def UHASX : AAI<0b01100111, 0b11110011, "uhasx">;
3223 def UHADD16 : AAI<0b01100111, 0b11110001, "uhadd16">;
3224 def UHADD8 : AAI<0b01100111, 0b11111001, "uhadd8">;
3225 def UHSAX : AAI<0b01100111, 0b11110101, "uhsax">;
3226 def UHSUB16 : AAI<0b01100111, 0b11110111, "uhsub16">;
3227 def UHSUB8 : AAI<0b01100111, 0b11111111, "uhsub8">;
3229 // Unsigned Sum of Absolute Differences [and Accumulate].
3231 def USAD8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3232 MulFrm /* for convenience */, NoItinerary, "usad8",
3233 "\t$Rd, $Rn, $Rm", []>,
3234 Requires<[IsARM, HasV6]> {
3238 let Inst{27-20} = 0b01111000;
3239 let Inst{15-12} = 0b1111;
3240 let Inst{7-4} = 0b0001;
3241 let Inst{19-16} = Rd;
3242 let Inst{11-8} = Rm;
3245 def USADA8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3246 MulFrm /* for convenience */, NoItinerary, "usada8",
3247 "\t$Rd, $Rn, $Rm, $Ra", []>,
3248 Requires<[IsARM, HasV6]> {
3253 let Inst{27-20} = 0b01111000;
3254 let Inst{7-4} = 0b0001;
3255 let Inst{19-16} = Rd;
3256 let Inst{15-12} = Ra;
3257 let Inst{11-8} = Rm;
3261 // Signed/Unsigned saturate
3263 def SSAT : AI<(outs GPRnopc:$Rd),
3264 (ins imm1_32:$sat_imm, GPRnopc:$Rn, shift_imm:$sh),
3265 SatFrm, NoItinerary, "ssat", "\t$Rd, $sat_imm, $Rn$sh", []> {
3270 let Inst{27-21} = 0b0110101;
3271 let Inst{5-4} = 0b01;
3272 let Inst{20-16} = sat_imm;
3273 let Inst{15-12} = Rd;
3274 let Inst{11-7} = sh{4-0};
3275 let Inst{6} = sh{5};
3279 def SSAT16 : AI<(outs GPRnopc:$Rd),
3280 (ins imm1_16:$sat_imm, GPRnopc:$Rn), SatFrm,
3281 NoItinerary, "ssat16", "\t$Rd, $sat_imm, $Rn", []> {
3285 let Inst{27-20} = 0b01101010;
3286 let Inst{11-4} = 0b11110011;
3287 let Inst{15-12} = Rd;
3288 let Inst{19-16} = sat_imm;
3292 def USAT : AI<(outs GPRnopc:$Rd),
3293 (ins imm0_31:$sat_imm, GPRnopc:$Rn, shift_imm:$sh),
3294 SatFrm, NoItinerary, "usat", "\t$Rd, $sat_imm, $Rn$sh", []> {
3299 let Inst{27-21} = 0b0110111;
3300 let Inst{5-4} = 0b01;
3301 let Inst{15-12} = Rd;
3302 let Inst{11-7} = sh{4-0};
3303 let Inst{6} = sh{5};
3304 let Inst{20-16} = sat_imm;
3308 def USAT16 : AI<(outs GPRnopc:$Rd),
3309 (ins imm0_15:$sat_imm, GPRnopc:$Rn), SatFrm,
3310 NoItinerary, "usat16", "\t$Rd, $sat_imm, $Rn", []> {
3314 let Inst{27-20} = 0b01101110;
3315 let Inst{11-4} = 0b11110011;
3316 let Inst{15-12} = Rd;
3317 let Inst{19-16} = sat_imm;
3321 def : ARMV6Pat<(int_arm_ssat GPRnopc:$a, imm:$pos),
3322 (SSAT imm:$pos, GPRnopc:$a, 0)>;
3323 def : ARMV6Pat<(int_arm_usat GPRnopc:$a, imm:$pos),
3324 (USAT imm:$pos, GPRnopc:$a, 0)>;
3326 //===----------------------------------------------------------------------===//
3327 // Bitwise Instructions.
3330 defm AND : AsI1_bin_irs<0b0000, "and",
3331 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3332 BinOpFrag<(and node:$LHS, node:$RHS)>, "AND", 1>;
3333 defm ORR : AsI1_bin_irs<0b1100, "orr",
3334 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3335 BinOpFrag<(or node:$LHS, node:$RHS)>, "ORR", 1>;
3336 defm EOR : AsI1_bin_irs<0b0001, "eor",
3337 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3338 BinOpFrag<(xor node:$LHS, node:$RHS)>, "EOR", 1>;
3339 defm BIC : AsI1_bin_irs<0b1110, "bic",
3340 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3341 BinOpFrag<(and node:$LHS, (not node:$RHS))>, "BIC">;
3343 // FIXME: bf_inv_mask_imm should be two operands, the lsb and the msb, just
3344 // like in the actual instruction encoding. The complexity of mapping the mask
3345 // to the lsb/msb pair should be handled by ISel, not encapsulated in the
3346 // instruction description.
3347 def BFC : I<(outs GPR:$Rd), (ins GPR:$src, bf_inv_mask_imm:$imm),
3348 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3349 "bfc", "\t$Rd, $imm", "$src = $Rd",
3350 [(set GPR:$Rd, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
3351 Requires<[IsARM, HasV6T2]> {
3354 let Inst{27-21} = 0b0111110;
3355 let Inst{6-0} = 0b0011111;
3356 let Inst{15-12} = Rd;
3357 let Inst{11-7} = imm{4-0}; // lsb
3358 let Inst{20-16} = imm{9-5}; // msb
3361 // A8.6.18 BFI - Bitfield insert (Encoding A1)
3362 def BFI:I<(outs GPRnopc:$Rd), (ins GPRnopc:$src, GPR:$Rn, bf_inv_mask_imm:$imm),
3363 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3364 "bfi", "\t$Rd, $Rn, $imm", "$src = $Rd",
3365 [(set GPRnopc:$Rd, (ARMbfi GPRnopc:$src, GPR:$Rn,
3366 bf_inv_mask_imm:$imm))]>,
3367 Requires<[IsARM, HasV6T2]> {
3371 let Inst{27-21} = 0b0111110;
3372 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
3373 let Inst{15-12} = Rd;
3374 let Inst{11-7} = imm{4-0}; // lsb
3375 let Inst{20-16} = imm{9-5}; // width
3379 // GNU as only supports this form of bfi (w/ 4 arguments)
3380 let isAsmParserOnly = 1 in
3381 def BFI4p : I<(outs GPRnopc:$Rd), (ins GPRnopc:$src, GPR:$Rn,
3382 lsb_pos_imm:$lsb, width_imm:$width),
3383 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3384 "bfi", "\t$Rd, $Rn, $lsb, $width", "$src = $Rd",
3385 []>, Requires<[IsARM, HasV6T2]> {
3390 let Inst{27-21} = 0b0111110;
3391 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
3392 let Inst{15-12} = Rd;
3393 let Inst{11-7} = lsb;
3394 let Inst{20-16} = width; // Custom encoder => lsb+width-1
3398 def MVNr : AsI1<0b1111, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMVNr,
3399 "mvn", "\t$Rd, $Rm",
3400 [(set GPR:$Rd, (not GPR:$Rm))]>, UnaryDP {
3404 let Inst{19-16} = 0b0000;
3405 let Inst{11-4} = 0b00000000;
3406 let Inst{15-12} = Rd;
3409 def MVNsi : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg_imm:$shift),
3410 DPSoRegImmFrm, IIC_iMVNsr, "mvn", "\t$Rd, $shift",
3411 [(set GPR:$Rd, (not so_reg_imm:$shift))]>, UnaryDP {
3415 let Inst{19-16} = 0b0000;
3416 let Inst{15-12} = Rd;
3417 let Inst{11-5} = shift{11-5};
3419 let Inst{3-0} = shift{3-0};
3421 def MVNsr : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg_reg:$shift),
3422 DPSoRegRegFrm, IIC_iMVNsr, "mvn", "\t$Rd, $shift",
3423 [(set GPR:$Rd, (not so_reg_reg:$shift))]>, UnaryDP {
3427 let Inst{19-16} = 0b0000;
3428 let Inst{15-12} = Rd;
3429 let Inst{11-8} = shift{11-8};
3431 let Inst{6-5} = shift{6-5};
3433 let Inst{3-0} = shift{3-0};
3435 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
3436 def MVNi : AsI1<0b1111, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm,
3437 IIC_iMVNi, "mvn", "\t$Rd, $imm",
3438 [(set GPR:$Rd, so_imm_not:$imm)]>,UnaryDP {
3442 let Inst{19-16} = 0b0000;
3443 let Inst{15-12} = Rd;
3444 let Inst{11-0} = imm;
3447 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
3448 (BICri GPR:$src, so_imm_not:$imm)>;
3450 //===----------------------------------------------------------------------===//
3451 // Multiply Instructions.
3453 class AsMul1I32<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
3454 string opc, string asm, list<dag> pattern>
3455 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
3459 let Inst{19-16} = Rd;
3460 let Inst{11-8} = Rm;
3463 class AsMul1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
3464 string opc, string asm, list<dag> pattern>
3465 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
3470 let Inst{19-16} = RdHi;
3471 let Inst{15-12} = RdLo;
3472 let Inst{11-8} = Rm;
3476 // FIXME: The v5 pseudos are only necessary for the additional Constraint
3477 // property. Remove them when it's possible to add those properties
3478 // on an individual MachineInstr, not just an instuction description.
3479 let isCommutable = 1 in {
3480 def MUL : AsMul1I32<0b0000000, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3481 IIC_iMUL32, "mul", "\t$Rd, $Rn, $Rm",
3482 [(set GPR:$Rd, (mul GPR:$Rn, GPR:$Rm))]>,
3483 Requires<[IsARM, HasV6]> {
3484 let Inst{15-12} = 0b0000;
3487 let Constraints = "@earlyclobber $Rd" in
3488 def MULv5: ARMPseudoExpand<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
3489 pred:$p, cc_out:$s),
3491 [(set GPR:$Rd, (mul GPR:$Rn, GPR:$Rm))],
3492 (MUL GPR:$Rd, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3493 Requires<[IsARM, NoV6]>;
3496 def MLA : AsMul1I32<0b0000001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3497 IIC_iMAC32, "mla", "\t$Rd, $Rn, $Rm, $Ra",
3498 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
3499 Requires<[IsARM, HasV6]> {
3501 let Inst{15-12} = Ra;
3504 let Constraints = "@earlyclobber $Rd" in
3505 def MLAv5: ARMPseudoExpand<(outs GPR:$Rd),
3506 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra, pred:$p, cc_out:$s),
3508 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))],
3509 (MLA GPR:$Rd, GPR:$Rn, GPR:$Rm, GPR:$Ra, pred:$p, cc_out:$s)>,
3510 Requires<[IsARM, NoV6]>;
3512 def MLS : AMul1I<0b0000011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3513 IIC_iMAC32, "mls", "\t$Rd, $Rn, $Rm, $Ra",
3514 [(set GPR:$Rd, (sub GPR:$Ra, (mul GPR:$Rn, GPR:$Rm)))]>,
3515 Requires<[IsARM, HasV6T2]> {
3520 let Inst{19-16} = Rd;
3521 let Inst{15-12} = Ra;
3522 let Inst{11-8} = Rm;
3526 // Extra precision multiplies with low / high results
3527 let neverHasSideEffects = 1 in {
3528 let isCommutable = 1 in {
3529 def SMULL : AsMul1I64<0b0000110, (outs GPR:$RdLo, GPR:$RdHi),
3530 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
3531 "smull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3532 Requires<[IsARM, HasV6]>;
3534 def UMULL : AsMul1I64<0b0000100, (outs GPR:$RdLo, GPR:$RdHi),
3535 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
3536 "umull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3537 Requires<[IsARM, HasV6]>;
3539 let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
3540 def SMULLv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3541 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
3543 (SMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3544 Requires<[IsARM, NoV6]>;
3546 def UMULLv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3547 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
3549 (UMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3550 Requires<[IsARM, NoV6]>;
3554 // Multiply + accumulate
3555 def SMLAL : AsMul1I64<0b0000111, (outs GPR:$RdLo, GPR:$RdHi),
3556 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
3557 "smlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3558 Requires<[IsARM, HasV6]>;
3559 def UMLAL : AsMul1I64<0b0000101, (outs GPR:$RdLo, GPR:$RdHi),
3560 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
3561 "umlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3562 Requires<[IsARM, HasV6]>;
3564 def UMAAL : AMul1I <0b0000010, (outs GPR:$RdLo, GPR:$RdHi),
3565 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
3566 "umaal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3567 Requires<[IsARM, HasV6]> {
3572 let Inst{19-16} = RdHi;
3573 let Inst{15-12} = RdLo;
3574 let Inst{11-8} = Rm;
3578 let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
3579 def SMLALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3580 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
3582 (SMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3583 Requires<[IsARM, NoV6]>;
3584 def UMLALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3585 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
3587 (UMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3588 Requires<[IsARM, NoV6]>;
3589 def UMAALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3590 (ins GPR:$Rn, GPR:$Rm, pred:$p),
3592 (UMAAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p)>,
3593 Requires<[IsARM, NoV6]>;
3596 } // neverHasSideEffects
3598 // Most significant word multiply
3599 def SMMUL : AMul2I <0b0111010, 0b0001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3600 IIC_iMUL32, "smmul", "\t$Rd, $Rn, $Rm",
3601 [(set GPR:$Rd, (mulhs GPR:$Rn, GPR:$Rm))]>,
3602 Requires<[IsARM, HasV6]> {
3603 let Inst{15-12} = 0b1111;
3606 def SMMULR : AMul2I <0b0111010, 0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3607 IIC_iMUL32, "smmulr", "\t$Rd, $Rn, $Rm", []>,
3608 Requires<[IsARM, HasV6]> {
3609 let Inst{15-12} = 0b1111;
3612 def SMMLA : AMul2Ia <0b0111010, 0b0001, (outs GPR:$Rd),
3613 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3614 IIC_iMAC32, "smmla", "\t$Rd, $Rn, $Rm, $Ra",
3615 [(set GPR:$Rd, (add (mulhs GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
3616 Requires<[IsARM, HasV6]>;
3618 def SMMLAR : AMul2Ia <0b0111010, 0b0011, (outs GPR:$Rd),
3619 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3620 IIC_iMAC32, "smmlar", "\t$Rd, $Rn, $Rm, $Ra", []>,
3621 Requires<[IsARM, HasV6]>;
3623 def SMMLS : AMul2Ia <0b0111010, 0b1101, (outs GPR:$Rd),
3624 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3625 IIC_iMAC32, "smmls", "\t$Rd, $Rn, $Rm, $Ra",
3626 [(set GPR:$Rd, (sub GPR:$Ra, (mulhs GPR:$Rn, GPR:$Rm)))]>,
3627 Requires<[IsARM, HasV6]>;
3629 def SMMLSR : AMul2Ia <0b0111010, 0b1111, (outs GPR:$Rd),
3630 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3631 IIC_iMAC32, "smmlsr", "\t$Rd, $Rn, $Rm, $Ra", []>,
3632 Requires<[IsARM, HasV6]>;
3634 multiclass AI_smul<string opc, PatFrag opnode> {
3635 def BB : AMulxyI<0b0001011, 0b00, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3636 IIC_iMUL16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm",
3637 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
3638 (sext_inreg GPR:$Rm, i16)))]>,
3639 Requires<[IsARM, HasV5TE]>;
3641 def BT : AMulxyI<0b0001011, 0b10, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3642 IIC_iMUL16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm",
3643 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
3644 (sra GPR:$Rm, (i32 16))))]>,
3645 Requires<[IsARM, HasV5TE]>;
3647 def TB : AMulxyI<0b0001011, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3648 IIC_iMUL16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm",
3649 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
3650 (sext_inreg GPR:$Rm, i16)))]>,
3651 Requires<[IsARM, HasV5TE]>;
3653 def TT : AMulxyI<0b0001011, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3654 IIC_iMUL16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm",
3655 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
3656 (sra GPR:$Rm, (i32 16))))]>,
3657 Requires<[IsARM, HasV5TE]>;
3659 def WB : AMulxyI<0b0001001, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3660 IIC_iMUL16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm",
3661 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
3662 (sext_inreg GPR:$Rm, i16)), (i32 16)))]>,
3663 Requires<[IsARM, HasV5TE]>;
3665 def WT : AMulxyI<0b0001001, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3666 IIC_iMUL16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm",
3667 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
3668 (sra GPR:$Rm, (i32 16))), (i32 16)))]>,
3669 Requires<[IsARM, HasV5TE]>;
3673 multiclass AI_smla<string opc, PatFrag opnode> {
3674 let DecoderMethod = "DecodeSMLAInstruction" in {
3675 def BB : AMulxyIa<0b0001000, 0b00, (outs GPRnopc:$Rd),
3676 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3677 IIC_iMAC16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm, $Ra",
3678 [(set GPRnopc:$Rd, (add GPR:$Ra,
3679 (opnode (sext_inreg GPRnopc:$Rn, i16),
3680 (sext_inreg GPRnopc:$Rm, i16))))]>,
3681 Requires<[IsARM, HasV5TE]>;
3683 def BT : AMulxyIa<0b0001000, 0b10, (outs GPRnopc:$Rd),
3684 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3685 IIC_iMAC16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm, $Ra",
3687 (add GPR:$Ra, (opnode (sext_inreg GPRnopc:$Rn, i16),
3688 (sra GPRnopc:$Rm, (i32 16)))))]>,
3689 Requires<[IsARM, HasV5TE]>;
3691 def TB : AMulxyIa<0b0001000, 0b01, (outs GPRnopc:$Rd),
3692 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3693 IIC_iMAC16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm, $Ra",
3695 (add GPR:$Ra, (opnode (sra GPRnopc:$Rn, (i32 16)),
3696 (sext_inreg GPRnopc:$Rm, i16))))]>,
3697 Requires<[IsARM, HasV5TE]>;
3699 def TT : AMulxyIa<0b0001000, 0b11, (outs GPRnopc:$Rd),
3700 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3701 IIC_iMAC16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm, $Ra",
3703 (add GPR:$Ra, (opnode (sra GPRnopc:$Rn, (i32 16)),
3704 (sra GPRnopc:$Rm, (i32 16)))))]>,
3705 Requires<[IsARM, HasV5TE]>;
3707 def WB : AMulxyIa<0b0001001, 0b00, (outs GPRnopc:$Rd),
3708 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3709 IIC_iMAC16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm, $Ra",
3711 (add GPR:$Ra, (sra (opnode GPRnopc:$Rn,
3712 (sext_inreg GPRnopc:$Rm, i16)), (i32 16))))]>,
3713 Requires<[IsARM, HasV5TE]>;
3715 def WT : AMulxyIa<0b0001001, 0b10, (outs GPRnopc:$Rd),
3716 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3717 IIC_iMAC16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm, $Ra",
3719 (add GPR:$Ra, (sra (opnode GPRnopc:$Rn,
3720 (sra GPRnopc:$Rm, (i32 16))), (i32 16))))]>,
3721 Requires<[IsARM, HasV5TE]>;
3725 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
3726 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
3728 // Halfword multiply accumulate long: SMLAL<x><y>.
3729 def SMLALBB : AMulxyI64<0b0001010, 0b00, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3730 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3731 IIC_iMAC64, "smlalbb", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3732 Requires<[IsARM, HasV5TE]>;
3734 def SMLALBT : AMulxyI64<0b0001010, 0b10, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3735 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3736 IIC_iMAC64, "smlalbt", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3737 Requires<[IsARM, HasV5TE]>;
3739 def SMLALTB : AMulxyI64<0b0001010, 0b01, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3740 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3741 IIC_iMAC64, "smlaltb", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3742 Requires<[IsARM, HasV5TE]>;
3744 def SMLALTT : AMulxyI64<0b0001010, 0b11, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3745 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3746 IIC_iMAC64, "smlaltt", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3747 Requires<[IsARM, HasV5TE]>;
3749 // Helper class for AI_smld.
3750 class AMulDualIbase<bit long, bit sub, bit swap, dag oops, dag iops,
3751 InstrItinClass itin, string opc, string asm>
3752 : AI<oops, iops, MulFrm, itin, opc, asm, []>, Requires<[IsARM, HasV6]> {
3755 let Inst{27-23} = 0b01110;
3756 let Inst{22} = long;
3757 let Inst{21-20} = 0b00;
3758 let Inst{11-8} = Rm;
3765 class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
3766 InstrItinClass itin, string opc, string asm>
3767 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
3769 let Inst{15-12} = 0b1111;
3770 let Inst{19-16} = Rd;
3772 class AMulDualIa<bit long, bit sub, bit swap, dag oops, dag iops,
3773 InstrItinClass itin, string opc, string asm>
3774 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
3777 let Inst{19-16} = Rd;
3778 let Inst{15-12} = Ra;
3780 class AMulDualI64<bit long, bit sub, bit swap, dag oops, dag iops,
3781 InstrItinClass itin, string opc, string asm>
3782 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
3785 let Inst{19-16} = RdHi;
3786 let Inst{15-12} = RdLo;
3789 multiclass AI_smld<bit sub, string opc> {
3791 def D : AMulDualIa<0, sub, 0, (outs GPRnopc:$Rd),
3792 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3793 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm, $Ra">;
3795 def DX: AMulDualIa<0, sub, 1, (outs GPRnopc:$Rd),
3796 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3797 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm, $Ra">;
3799 def LD: AMulDualI64<1, sub, 0, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3800 (ins GPRnopc:$Rn, GPRnopc:$Rm), NoItinerary,
3801 !strconcat(opc, "ld"), "\t$RdLo, $RdHi, $Rn, $Rm">;
3803 def LDX : AMulDualI64<1, sub, 1, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3804 (ins GPRnopc:$Rn, GPRnopc:$Rm), NoItinerary,
3805 !strconcat(opc, "ldx"),"\t$RdLo, $RdHi, $Rn, $Rm">;
3809 defm SMLA : AI_smld<0, "smla">;
3810 defm SMLS : AI_smld<1, "smls">;
3812 multiclass AI_sdml<bit sub, string opc> {
3814 def D:AMulDualI<0, sub, 0, (outs GPRnopc:$Rd), (ins GPRnopc:$Rn, GPRnopc:$Rm),
3815 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm">;
3816 def DX:AMulDualI<0, sub, 1, (outs GPRnopc:$Rd),(ins GPRnopc:$Rn, GPRnopc:$Rm),
3817 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm">;
3820 defm SMUA : AI_sdml<0, "smua">;
3821 defm SMUS : AI_sdml<1, "smus">;
3823 //===----------------------------------------------------------------------===//
3824 // Misc. Arithmetic Instructions.
3827 def CLZ : AMiscA1I<0b000010110, 0b0001, (outs GPR:$Rd), (ins GPR:$Rm),
3828 IIC_iUNAr, "clz", "\t$Rd, $Rm",
3829 [(set GPR:$Rd, (ctlz GPR:$Rm))]>, Requires<[IsARM, HasV5T]>;
3831 def RBIT : AMiscA1I<0b01101111, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
3832 IIC_iUNAr, "rbit", "\t$Rd, $Rm",
3833 [(set GPR:$Rd, (ARMrbit GPR:$Rm))]>,
3834 Requires<[IsARM, HasV6T2]>;
3836 def REV : AMiscA1I<0b01101011, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
3837 IIC_iUNAr, "rev", "\t$Rd, $Rm",
3838 [(set GPR:$Rd, (bswap GPR:$Rm))]>, Requires<[IsARM, HasV6]>;
3840 let AddedComplexity = 5 in
3841 def REV16 : AMiscA1I<0b01101011, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
3842 IIC_iUNAr, "rev16", "\t$Rd, $Rm",
3843 [(set GPR:$Rd, (rotr (bswap GPR:$Rm), (i32 16)))]>,
3844 Requires<[IsARM, HasV6]>;
3846 let AddedComplexity = 5 in
3847 def REVSH : AMiscA1I<0b01101111, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
3848 IIC_iUNAr, "revsh", "\t$Rd, $Rm",
3849 [(set GPR:$Rd, (sra (bswap GPR:$Rm), (i32 16)))]>,
3850 Requires<[IsARM, HasV6]>;
3852 def : ARMV6Pat<(or (sra (shl GPR:$Rm, (i32 24)), (i32 16)),
3853 (and (srl GPR:$Rm, (i32 8)), 0xFF)),
3856 def PKHBT : APKHI<0b01101000, 0, (outs GPR:$Rd),
3857 (ins GPR:$Rn, GPR:$Rm, pkh_lsl_amt:$sh),
3858 IIC_iALUsi, "pkhbt", "\t$Rd, $Rn, $Rm$sh",
3859 [(set GPR:$Rd, (or (and GPR:$Rn, 0xFFFF),
3860 (and (shl GPR:$Rm, pkh_lsl_amt:$sh),
3862 Requires<[IsARM, HasV6]>;
3864 // Alternate cases for PKHBT where identities eliminate some nodes.
3865 def : ARMV6Pat<(or (and GPR:$Rn, 0xFFFF), (and GPR:$Rm, 0xFFFF0000)),
3866 (PKHBT GPR:$Rn, GPR:$Rm, 0)>;
3867 def : ARMV6Pat<(or (and GPR:$Rn, 0xFFFF), (shl GPR:$Rm, imm16_31:$sh)),
3868 (PKHBT GPR:$Rn, GPR:$Rm, imm16_31:$sh)>;
3870 // Note: Shifts of 1-15 bits will be transformed to srl instead of sra and
3871 // will match the pattern below.
3872 def PKHTB : APKHI<0b01101000, 1, (outs GPR:$Rd),
3873 (ins GPR:$Rn, GPR:$Rm, pkh_asr_amt:$sh),
3874 IIC_iBITsi, "pkhtb", "\t$Rd, $Rn, $Rm$sh",
3875 [(set GPR:$Rd, (or (and GPR:$Rn, 0xFFFF0000),
3876 (and (sra GPR:$Rm, pkh_asr_amt:$sh),
3878 Requires<[IsARM, HasV6]>;
3880 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
3881 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
3882 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000), (srl GPR:$src2, imm16_31:$sh)),
3883 (PKHTB GPR:$src1, GPR:$src2, imm16_31:$sh)>;
3884 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000),
3885 (and (srl GPR:$src2, imm1_15:$sh), 0xFFFF)),
3886 (PKHTB GPR:$src1, GPR:$src2, imm1_15:$sh)>;
3888 //===----------------------------------------------------------------------===//
3889 // Comparison Instructions...
3892 defm CMP : AI1_cmp_irs<0b1010, "cmp",
3893 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
3894 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
3896 // ARMcmpZ can re-use the above instruction definitions.
3897 def : ARMPat<(ARMcmpZ GPR:$src, so_imm:$imm),
3898 (CMPri GPR:$src, so_imm:$imm)>;
3899 def : ARMPat<(ARMcmpZ GPR:$src, GPR:$rhs),
3900 (CMPrr GPR:$src, GPR:$rhs)>;
3901 def : ARMPat<(ARMcmpZ GPR:$src, so_reg_imm:$rhs),
3902 (CMPrsi GPR:$src, so_reg_imm:$rhs)>;
3903 def : ARMPat<(ARMcmpZ GPR:$src, so_reg_reg:$rhs),
3904 (CMPrsr GPR:$src, so_reg_reg:$rhs)>;
3906 // FIXME: We have to be careful when using the CMN instruction and comparison
3907 // with 0. One would expect these two pieces of code should give identical
3923 // However, the CMN gives the *opposite* result when r1 is 0. This is because
3924 // the carry flag is set in the CMP case but not in the CMN case. In short, the
3925 // CMP instruction doesn't perform a truncate of the (logical) NOT of 0 plus the
3926 // value of r0 and the carry bit (because the "carry bit" parameter to
3927 // AddWithCarry is defined as 1 in this case, the carry flag will always be set
3928 // when r0 >= 0). The CMN instruction doesn't perform a NOT of 0 so there is
3929 // never a "carry" when this AddWithCarry is performed (because the "carry bit"
3930 // parameter to AddWithCarry is defined as 0).
3932 // When x is 0 and unsigned:
3936 // ~x + 1 = 0x1 0000 0000
3937 // (-x = 0) != (0x1 0000 0000 = ~x + 1)
3939 // Therefore, we should disable CMN when comparing against zero, until we can
3940 // limit when the CMN instruction is used (when we know that the RHS is not 0 or
3941 // when it's a comparison which doesn't look at the 'carry' flag).
3943 // (See the ARM docs for the "AddWithCarry" pseudo-code.)
3945 // This is related to <rdar://problem/7569620>.
3947 //defm CMN : AI1_cmp_irs<0b1011, "cmn",
3948 // BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
3950 // Note that TST/TEQ don't set all the same flags that CMP does!
3951 defm TST : AI1_cmp_irs<0b1000, "tst",
3952 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
3953 BinOpFrag<(ARMcmpZ (and_su node:$LHS, node:$RHS), 0)>, 1>;
3954 defm TEQ : AI1_cmp_irs<0b1001, "teq",
3955 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
3956 BinOpFrag<(ARMcmpZ (xor_su node:$LHS, node:$RHS), 0)>, 1>;
3958 defm CMNz : AI1_cmp_irs<0b1011, "cmn",
3959 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
3960 BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>>;
3962 //def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
3963 // (CMNri GPR:$src, so_imm_neg:$imm)>;
3965 def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
3966 (CMNzri GPR:$src, so_imm_neg:$imm)>;
3968 // Pseudo i64 compares for some floating point compares.
3969 let usesCustomInserter = 1, isBranch = 1, isTerminator = 1,
3971 def BCCi64 : PseudoInst<(outs),
3972 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, brtarget:$dst),
3974 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, bb:$dst)]>;
3976 def BCCZi64 : PseudoInst<(outs),
3977 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, brtarget:$dst), IIC_Br,
3978 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, 0, 0, bb:$dst)]>;
3979 } // usesCustomInserter
3982 // Conditional moves
3983 // FIXME: should be able to write a pattern for ARMcmov, but can't use
3984 // a two-value operand where a dag node expects two operands. :(
3985 let neverHasSideEffects = 1 in {
3986 def MOVCCr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$false, GPR:$Rm, pred:$p),
3988 [/*(set GPR:$Rd, (ARMcmov GPR:$false, GPR:$Rm, imm:$cc, CCR:$ccr))*/]>,
3989 RegConstraint<"$false = $Rd">;
3990 def MOVCCsi : ARMPseudoInst<(outs GPR:$Rd),
3991 (ins GPR:$false, so_reg_imm:$shift, pred:$p),
3993 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_reg_imm:$shift,
3994 imm:$cc, CCR:$ccr))*/]>,
3995 RegConstraint<"$false = $Rd">;
3996 def MOVCCsr : ARMPseudoInst<(outs GPR:$Rd),
3997 (ins GPR:$false, so_reg_reg:$shift, pred:$p),
3999 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_reg_reg:$shift,
4000 imm:$cc, CCR:$ccr))*/]>,
4001 RegConstraint<"$false = $Rd">;
4004 let isMoveImm = 1 in
4005 def MOVCCi16 : ARMPseudoInst<(outs GPR:$Rd),
4006 (ins GPR:$false, imm0_65535_expr:$imm, pred:$p),
4009 RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>;
4011 let isMoveImm = 1 in
4012 def MOVCCi : ARMPseudoInst<(outs GPR:$Rd),
4013 (ins GPR:$false, so_imm:$imm, pred:$p),
4015 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm:$imm, imm:$cc, CCR:$ccr))*/]>,
4016 RegConstraint<"$false = $Rd">;
4018 // Two instruction predicate mov immediate.
4019 let isMoveImm = 1 in
4020 def MOVCCi32imm : ARMPseudoInst<(outs GPR:$Rd),
4021 (ins GPR:$false, i32imm:$src, pred:$p),
4022 8, IIC_iCMOVix2, []>, RegConstraint<"$false = $Rd">;
4024 let isMoveImm = 1 in
4025 def MVNCCi : ARMPseudoInst<(outs GPR:$Rd),
4026 (ins GPR:$false, so_imm:$imm, pred:$p),
4028 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm_not:$imm, imm:$cc, CCR:$ccr))*/]>,
4029 RegConstraint<"$false = $Rd">;
4030 } // neverHasSideEffects
4032 //===----------------------------------------------------------------------===//
4033 // Atomic operations intrinsics
4036 def MemBarrierOptOperand : AsmOperandClass {
4037 let Name = "MemBarrierOpt";
4038 let ParserMethod = "parseMemBarrierOptOperand";
4040 def memb_opt : Operand<i32> {
4041 let PrintMethod = "printMemBOption";
4042 let ParserMatchClass = MemBarrierOptOperand;
4043 let DecoderMethod = "DecodeMemBarrierOption";
4046 // memory barriers protect the atomic sequences
4047 let hasSideEffects = 1 in {
4048 def DMB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
4049 "dmb", "\t$opt", [(ARMMemBarrier (i32 imm:$opt))]>,
4050 Requires<[IsARM, HasDB]> {
4052 let Inst{31-4} = 0xf57ff05;
4053 let Inst{3-0} = opt;
4057 def DSB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
4058 "dsb", "\t$opt", []>,
4059 Requires<[IsARM, HasDB]> {
4061 let Inst{31-4} = 0xf57ff04;
4062 let Inst{3-0} = opt;
4065 // ISB has only full system option
4066 def ISB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
4067 "isb", "\t$opt", []>,
4068 Requires<[IsARM, HasDB]> {
4070 let Inst{31-4} = 0xf57ff06;
4071 let Inst{3-0} = opt;
4074 let usesCustomInserter = 1 in {
4075 let Uses = [CPSR] in {
4076 def ATOMIC_LOAD_ADD_I8 : PseudoInst<
4077 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4078 [(set GPR:$dst, (atomic_load_add_8 GPR:$ptr, GPR:$incr))]>;
4079 def ATOMIC_LOAD_SUB_I8 : PseudoInst<
4080 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4081 [(set GPR:$dst, (atomic_load_sub_8 GPR:$ptr, GPR:$incr))]>;
4082 def ATOMIC_LOAD_AND_I8 : PseudoInst<
4083 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4084 [(set GPR:$dst, (atomic_load_and_8 GPR:$ptr, GPR:$incr))]>;
4085 def ATOMIC_LOAD_OR_I8 : PseudoInst<
4086 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4087 [(set GPR:$dst, (atomic_load_or_8 GPR:$ptr, GPR:$incr))]>;
4088 def ATOMIC_LOAD_XOR_I8 : PseudoInst<
4089 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4090 [(set GPR:$dst, (atomic_load_xor_8 GPR:$ptr, GPR:$incr))]>;
4091 def ATOMIC_LOAD_NAND_I8 : PseudoInst<
4092 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4093 [(set GPR:$dst, (atomic_load_nand_8 GPR:$ptr, GPR:$incr))]>;
4094 def ATOMIC_LOAD_MIN_I8 : PseudoInst<
4095 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4096 [(set GPR:$dst, (atomic_load_min_8 GPR:$ptr, GPR:$val))]>;
4097 def ATOMIC_LOAD_MAX_I8 : PseudoInst<
4098 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4099 [(set GPR:$dst, (atomic_load_max_8 GPR:$ptr, GPR:$val))]>;
4100 def ATOMIC_LOAD_UMIN_I8 : PseudoInst<
4101 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4102 [(set GPR:$dst, (atomic_load_min_8 GPR:$ptr, GPR:$val))]>;
4103 def ATOMIC_LOAD_UMAX_I8 : PseudoInst<
4104 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4105 [(set GPR:$dst, (atomic_load_max_8 GPR:$ptr, GPR:$val))]>;
4106 def ATOMIC_LOAD_ADD_I16 : PseudoInst<
4107 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4108 [(set GPR:$dst, (atomic_load_add_16 GPR:$ptr, GPR:$incr))]>;
4109 def ATOMIC_LOAD_SUB_I16 : PseudoInst<
4110 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4111 [(set GPR:$dst, (atomic_load_sub_16 GPR:$ptr, GPR:$incr))]>;
4112 def ATOMIC_LOAD_AND_I16 : PseudoInst<
4113 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4114 [(set GPR:$dst, (atomic_load_and_16 GPR:$ptr, GPR:$incr))]>;
4115 def ATOMIC_LOAD_OR_I16 : PseudoInst<
4116 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4117 [(set GPR:$dst, (atomic_load_or_16 GPR:$ptr, GPR:$incr))]>;
4118 def ATOMIC_LOAD_XOR_I16 : PseudoInst<
4119 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4120 [(set GPR:$dst, (atomic_load_xor_16 GPR:$ptr, GPR:$incr))]>;
4121 def ATOMIC_LOAD_NAND_I16 : PseudoInst<
4122 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4123 [(set GPR:$dst, (atomic_load_nand_16 GPR:$ptr, GPR:$incr))]>;
4124 def ATOMIC_LOAD_MIN_I16 : PseudoInst<
4125 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4126 [(set GPR:$dst, (atomic_load_min_16 GPR:$ptr, GPR:$val))]>;
4127 def ATOMIC_LOAD_MAX_I16 : PseudoInst<
4128 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4129 [(set GPR:$dst, (atomic_load_max_16 GPR:$ptr, GPR:$val))]>;
4130 def ATOMIC_LOAD_UMIN_I16 : PseudoInst<
4131 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4132 [(set GPR:$dst, (atomic_load_min_16 GPR:$ptr, GPR:$val))]>;
4133 def ATOMIC_LOAD_UMAX_I16 : PseudoInst<
4134 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4135 [(set GPR:$dst, (atomic_load_max_16 GPR:$ptr, GPR:$val))]>;
4136 def ATOMIC_LOAD_ADD_I32 : PseudoInst<
4137 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4138 [(set GPR:$dst, (atomic_load_add_32 GPR:$ptr, GPR:$incr))]>;
4139 def ATOMIC_LOAD_SUB_I32 : PseudoInst<
4140 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4141 [(set GPR:$dst, (atomic_load_sub_32 GPR:$ptr, GPR:$incr))]>;
4142 def ATOMIC_LOAD_AND_I32 : PseudoInst<
4143 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4144 [(set GPR:$dst, (atomic_load_and_32 GPR:$ptr, GPR:$incr))]>;
4145 def ATOMIC_LOAD_OR_I32 : PseudoInst<
4146 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4147 [(set GPR:$dst, (atomic_load_or_32 GPR:$ptr, GPR:$incr))]>;
4148 def ATOMIC_LOAD_XOR_I32 : PseudoInst<
4149 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4150 [(set GPR:$dst, (atomic_load_xor_32 GPR:$ptr, GPR:$incr))]>;
4151 def ATOMIC_LOAD_NAND_I32 : PseudoInst<
4152 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4153 [(set GPR:$dst, (atomic_load_nand_32 GPR:$ptr, GPR:$incr))]>;
4154 def ATOMIC_LOAD_MIN_I32 : PseudoInst<
4155 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4156 [(set GPR:$dst, (atomic_load_min_32 GPR:$ptr, GPR:$val))]>;
4157 def ATOMIC_LOAD_MAX_I32 : PseudoInst<
4158 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4159 [(set GPR:$dst, (atomic_load_max_32 GPR:$ptr, GPR:$val))]>;
4160 def ATOMIC_LOAD_UMIN_I32 : PseudoInst<
4161 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4162 [(set GPR:$dst, (atomic_load_min_32 GPR:$ptr, GPR:$val))]>;
4163 def ATOMIC_LOAD_UMAX_I32 : PseudoInst<
4164 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4165 [(set GPR:$dst, (atomic_load_max_32 GPR:$ptr, GPR:$val))]>;
4167 def ATOMIC_SWAP_I8 : PseudoInst<
4168 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
4169 [(set GPR:$dst, (atomic_swap_8 GPR:$ptr, GPR:$new))]>;
4170 def ATOMIC_SWAP_I16 : PseudoInst<
4171 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
4172 [(set GPR:$dst, (atomic_swap_16 GPR:$ptr, GPR:$new))]>;
4173 def ATOMIC_SWAP_I32 : PseudoInst<
4174 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
4175 [(set GPR:$dst, (atomic_swap_32 GPR:$ptr, GPR:$new))]>;
4177 def ATOMIC_CMP_SWAP_I8 : PseudoInst<
4178 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
4179 [(set GPR:$dst, (atomic_cmp_swap_8 GPR:$ptr, GPR:$old, GPR:$new))]>;
4180 def ATOMIC_CMP_SWAP_I16 : PseudoInst<
4181 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
4182 [(set GPR:$dst, (atomic_cmp_swap_16 GPR:$ptr, GPR:$old, GPR:$new))]>;
4183 def ATOMIC_CMP_SWAP_I32 : PseudoInst<
4184 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
4185 [(set GPR:$dst, (atomic_cmp_swap_32 GPR:$ptr, GPR:$old, GPR:$new))]>;
4189 let mayLoad = 1 in {
4190 def LDREXB : AIldrex<0b10, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4192 "ldrexb", "\t$Rt, $addr", []>;
4193 def LDREXH : AIldrex<0b11, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4194 NoItinerary, "ldrexh", "\t$Rt, $addr", []>;
4195 def LDREX : AIldrex<0b00, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4196 NoItinerary, "ldrex", "\t$Rt, $addr", []>;
4197 let hasExtraDefRegAllocReq = 1 in
4198 def LDREXD: AIldrex<0b01, (outs GPR:$Rt, GPR:$Rt2),(ins addr_offset_none:$addr),
4199 NoItinerary, "ldrexd", "\t$Rt, $Rt2, $addr", []> {
4200 let DecoderMethod = "DecodeDoubleRegLoad";
4204 let mayStore = 1, Constraints = "@earlyclobber $Rd" in {
4205 def STREXB: AIstrex<0b10, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4206 NoItinerary, "strexb", "\t$Rd, $Rt, $addr", []>;
4207 def STREXH: AIstrex<0b11, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4208 NoItinerary, "strexh", "\t$Rd, $Rt, $addr", []>;
4209 def STREX : AIstrex<0b00, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4210 NoItinerary, "strex", "\t$Rd, $Rt, $addr", []>;
4213 let hasExtraSrcRegAllocReq = 1, Constraints = "@earlyclobber $Rd" in
4214 def STREXD : AIstrex<0b01, (outs GPR:$Rd),
4215 (ins GPR:$Rt, GPR:$Rt2, addr_offset_none:$addr),
4216 NoItinerary, "strexd", "\t$Rd, $Rt, $Rt2, $addr", []> {
4217 let DecoderMethod = "DecodeDoubleRegStore";
4220 def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex", []>,
4221 Requires<[IsARM, HasV7]> {
4222 let Inst{31-0} = 0b11110101011111111111000000011111;
4225 // SWP/SWPB are deprecated in V6/V7.
4226 let mayLoad = 1, mayStore = 1 in {
4227 def SWP : AIswp<0, (outs GPR:$Rt), (ins GPR:$Rt2, addr_offset_none:$addr),
4229 def SWPB: AIswp<1, (outs GPR:$Rt), (ins GPR:$Rt2, addr_offset_none:$addr),
4233 //===----------------------------------------------------------------------===//
4234 // Coprocessor Instructions.
4237 def CDP : ABI<0b1110, (outs), (ins p_imm:$cop, imm0_15:$opc1,
4238 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, imm0_7:$opc2),
4239 NoItinerary, "cdp", "\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
4240 [(int_arm_cdp imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
4241 imm:$CRm, imm:$opc2)]> {
4249 let Inst{3-0} = CRm;
4251 let Inst{7-5} = opc2;
4252 let Inst{11-8} = cop;
4253 let Inst{15-12} = CRd;
4254 let Inst{19-16} = CRn;
4255 let Inst{23-20} = opc1;
4258 def CDP2 : ABXI<0b1110, (outs), (ins p_imm:$cop, imm0_15:$opc1,
4259 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, imm0_7:$opc2),
4260 NoItinerary, "cdp2\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
4261 [(int_arm_cdp2 imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
4262 imm:$CRm, imm:$opc2)]> {
4263 let Inst{31-28} = 0b1111;
4271 let Inst{3-0} = CRm;
4273 let Inst{7-5} = opc2;
4274 let Inst{11-8} = cop;
4275 let Inst{15-12} = CRd;
4276 let Inst{19-16} = CRn;
4277 let Inst{23-20} = opc1;
4280 class ACI<dag oops, dag iops, string opc, string asm,
4281 IndexMode im = IndexModeNone>
4282 : InoP<oops, iops, AddrModeNone, 4, im, BrFrm, NoItinerary,
4284 let Inst{27-25} = 0b110;
4287 multiclass LdStCop<bits<4> op31_28, bit load, dag ops, string opc, string cond>{
4288 let DecoderNamespace = "Common" in {
4289 def _OFFSET : ACI<(outs),
4290 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
4291 !strconcat(opc, cond), "\tp$cop, cr$CRd, $addr"> {
4292 let Inst{31-28} = op31_28;
4293 let Inst{24} = 1; // P = 1
4294 let Inst{21} = 0; // W = 0
4295 let Inst{22} = 0; // D = 0
4296 let Inst{20} = load;
4297 let DecoderMethod = "DecodeCopMemInstruction";
4300 def _PRE : ACI<(outs),
4301 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
4302 !strconcat(opc, cond), "\tp$cop, cr$CRd, $addr!", IndexModePre> {
4303 let Inst{31-28} = op31_28;
4304 let Inst{24} = 1; // P = 1
4305 let Inst{21} = 1; // W = 1
4306 let Inst{22} = 0; // D = 0
4307 let Inst{20} = load;
4308 let DecoderMethod = "DecodeCopMemInstruction";
4311 def _POST : ACI<(outs),
4312 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
4313 !strconcat(opc, cond), "\tp$cop, cr$CRd, $addr", IndexModePost> {
4314 let Inst{31-28} = op31_28;
4315 let Inst{24} = 0; // P = 0
4316 let Inst{21} = 1; // W = 1
4317 let Inst{22} = 0; // D = 0
4318 let Inst{20} = load;
4319 let DecoderMethod = "DecodeCopMemInstruction";
4322 def _OPTION : ACI<(outs),
4323 !con((ins nohash_imm:$cop,nohash_imm:$CRd,GPR:$base, nohash_imm:$option),
4325 !strconcat(opc, cond), "\tp$cop, cr$CRd, [$base], \\{$option\\}"> {
4326 let Inst{31-28} = op31_28;
4327 let Inst{24} = 0; // P = 0
4328 let Inst{23} = 1; // U = 1
4329 let Inst{21} = 0; // W = 0
4330 let Inst{22} = 0; // D = 0
4331 let Inst{20} = load;
4332 let DecoderMethod = "DecodeCopMemInstruction";
4335 def L_OFFSET : ACI<(outs),
4336 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
4337 !strconcat(!strconcat(opc, "l"), cond), "\tp$cop, cr$CRd, $addr"> {
4338 let Inst{31-28} = op31_28;
4339 let Inst{24} = 1; // P = 1
4340 let Inst{21} = 0; // W = 0
4341 let Inst{22} = 1; // D = 1
4342 let Inst{20} = load;
4343 let DecoderMethod = "DecodeCopMemInstruction";
4346 def L_PRE : ACI<(outs),
4347 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
4348 !strconcat(!strconcat(opc, "l"), cond), "\tp$cop, cr$CRd, $addr!",
4350 let Inst{31-28} = op31_28;
4351 let Inst{24} = 1; // P = 1
4352 let Inst{21} = 1; // W = 1
4353 let Inst{22} = 1; // D = 1
4354 let Inst{20} = load;
4355 let DecoderMethod = "DecodeCopMemInstruction";
4358 def L_POST : ACI<(outs),
4359 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addr_offset_none:$addr,
4360 postidx_imm8s4:$offset), ops),
4361 !strconcat(!strconcat(opc, "l"), cond), "\tp$cop, cr$CRd, $addr, $offset",
4363 let Inst{31-28} = op31_28;
4364 let Inst{24} = 0; // P = 0
4365 let Inst{21} = 1; // W = 1
4366 let Inst{22} = 1; // D = 1
4367 let Inst{20} = load;
4368 let DecoderMethod = "DecodeCopMemInstruction";
4371 def L_OPTION : ACI<(outs),
4372 !con((ins nohash_imm:$cop, nohash_imm:$CRd,GPR:$base,nohash_imm:$option),
4374 !strconcat(!strconcat(opc, "l"), cond),
4375 "\tp$cop, cr$CRd, [$base], \\{$option\\}"> {
4376 let Inst{31-28} = op31_28;
4377 let Inst{24} = 0; // P = 0
4378 let Inst{23} = 1; // U = 1
4379 let Inst{21} = 0; // W = 0
4380 let Inst{22} = 1; // D = 1
4381 let Inst{20} = load;
4382 let DecoderMethod = "DecodeCopMemInstruction";
4387 defm LDC : LdStCop<{?,?,?,?}, 1, (ins pred:$p), "ldc", "${p}">;
4388 defm LDC2 : LdStCop<0b1111, 1, (ins), "ldc2", "">;
4389 defm STC : LdStCop<{?,?,?,?}, 0, (ins pred:$p), "stc", "${p}">;
4390 defm STC2 : LdStCop<0b1111, 0, (ins), "stc2", "">;
4392 //===----------------------------------------------------------------------===//
4393 // Move between coprocessor and ARM core register.
4396 class MovRCopro<string opc, bit direction, dag oops, dag iops,
4398 : ABI<0b1110, oops, iops, NoItinerary, opc,
4399 "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2", pattern> {
4400 let Inst{20} = direction;
4410 let Inst{15-12} = Rt;
4411 let Inst{11-8} = cop;
4412 let Inst{23-21} = opc1;
4413 let Inst{7-5} = opc2;
4414 let Inst{3-0} = CRm;
4415 let Inst{19-16} = CRn;
4418 def MCR : MovRCopro<"mcr", 0 /* from ARM core register to coprocessor */,
4420 (ins p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
4421 c_imm:$CRm, imm0_7:$opc2),
4422 [(int_arm_mcr imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
4423 imm:$CRm, imm:$opc2)]>;
4424 def MRC : MovRCopro<"mrc", 1 /* from coprocessor to ARM core register */,
4426 (ins p_imm:$cop, imm0_7:$opc1, c_imm:$CRn, c_imm:$CRm,
4429 def : ARMPat<(int_arm_mrc imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2),
4430 (MRC imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
4432 class MovRCopro2<string opc, bit direction, dag oops, dag iops,
4434 : ABXI<0b1110, oops, iops, NoItinerary,
4435 !strconcat(opc, "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2"), pattern> {
4436 let Inst{31-28} = 0b1111;
4437 let Inst{20} = direction;
4447 let Inst{15-12} = Rt;
4448 let Inst{11-8} = cop;
4449 let Inst{23-21} = opc1;
4450 let Inst{7-5} = opc2;
4451 let Inst{3-0} = CRm;
4452 let Inst{19-16} = CRn;
4455 def MCR2 : MovRCopro2<"mcr2", 0 /* from ARM core register to coprocessor */,
4457 (ins p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
4458 c_imm:$CRm, imm0_7:$opc2),
4459 [(int_arm_mcr2 imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
4460 imm:$CRm, imm:$opc2)]>;
4461 def MRC2 : MovRCopro2<"mrc2", 1 /* from coprocessor to ARM core register */,
4463 (ins p_imm:$cop, imm0_7:$opc1, c_imm:$CRn, c_imm:$CRm,
4466 def : ARMV5TPat<(int_arm_mrc2 imm:$cop, imm:$opc1, imm:$CRn,
4467 imm:$CRm, imm:$opc2),
4468 (MRC2 imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
4470 class MovRRCopro<string opc, bit direction, list<dag> pattern = []>
4471 : ABI<0b1100, (outs), (ins p_imm:$cop, imm0_15:$opc1,
4472 GPR:$Rt, GPR:$Rt2, c_imm:$CRm),
4473 NoItinerary, opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm", pattern> {
4474 let Inst{23-21} = 0b010;
4475 let Inst{20} = direction;
4483 let Inst{15-12} = Rt;
4484 let Inst{19-16} = Rt2;
4485 let Inst{11-8} = cop;
4486 let Inst{7-4} = opc1;
4487 let Inst{3-0} = CRm;
4490 def MCRR : MovRRCopro<"mcrr", 0 /* from ARM core register to coprocessor */,
4491 [(int_arm_mcrr imm:$cop, imm:$opc1, GPR:$Rt, GPR:$Rt2,
4493 def MRRC : MovRRCopro<"mrrc", 1 /* from coprocessor to ARM core register */>;
4495 class MovRRCopro2<string opc, bit direction, list<dag> pattern = []>
4496 : ABXI<0b1100, (outs), (ins p_imm:$cop, imm0_15:$opc1,
4497 GPR:$Rt, GPR:$Rt2, c_imm:$CRm), NoItinerary,
4498 !strconcat(opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm"), pattern> {
4499 let Inst{31-28} = 0b1111;
4500 let Inst{23-21} = 0b010;
4501 let Inst{20} = direction;
4509 let Inst{15-12} = Rt;
4510 let Inst{19-16} = Rt2;
4511 let Inst{11-8} = cop;
4512 let Inst{7-4} = opc1;
4513 let Inst{3-0} = CRm;
4516 def MCRR2 : MovRRCopro2<"mcrr2", 0 /* from ARM core register to coprocessor */,
4517 [(int_arm_mcrr2 imm:$cop, imm:$opc1, GPR:$Rt, GPR:$Rt2,
4519 def MRRC2 : MovRRCopro2<"mrrc2", 1 /* from coprocessor to ARM core register */>;
4521 //===----------------------------------------------------------------------===//
4522 // Move between special register and ARM core register
4525 // Move to ARM core register from Special Register
4526 def MRS : ABI<0b0001, (outs GPR:$Rd), (ins), NoItinerary,
4527 "mrs", "\t$Rd, apsr", []> {
4529 let Inst{23-16} = 0b00001111;
4530 let Inst{15-12} = Rd;
4531 let Inst{7-4} = 0b0000;
4534 def : InstAlias<"mrs${p} $Rd, cpsr", (MRS GPR:$Rd, pred:$p)>, Requires<[IsARM]>;
4536 def MRSsys : ABI<0b0001, (outs GPR:$Rd), (ins), NoItinerary,
4537 "mrs", "\t$Rd, spsr", []> {
4539 let Inst{23-16} = 0b01001111;
4540 let Inst{15-12} = Rd;
4541 let Inst{7-4} = 0b0000;
4544 // Move from ARM core register to Special Register
4546 // No need to have both system and application versions, the encodings are the
4547 // same and the assembly parser has no way to distinguish between them. The mask
4548 // operand contains the special register (R Bit) in bit 4 and bits 3-0 contains
4549 // the mask with the fields to be accessed in the special register.
4550 def MSR : ABI<0b0001, (outs), (ins msr_mask:$mask, GPR:$Rn), NoItinerary,
4551 "msr", "\t$mask, $Rn", []> {
4556 let Inst{22} = mask{4}; // R bit
4557 let Inst{21-20} = 0b10;
4558 let Inst{19-16} = mask{3-0};
4559 let Inst{15-12} = 0b1111;
4560 let Inst{11-4} = 0b00000000;
4564 def MSRi : ABI<0b0011, (outs), (ins msr_mask:$mask, so_imm:$a), NoItinerary,
4565 "msr", "\t$mask, $a", []> {
4570 let Inst{22} = mask{4}; // R bit
4571 let Inst{21-20} = 0b10;
4572 let Inst{19-16} = mask{3-0};
4573 let Inst{15-12} = 0b1111;
4577 //===----------------------------------------------------------------------===//
4581 // __aeabi_read_tp preserves the registers r1-r3.
4582 // This is a pseudo inst so that we can get the encoding right,
4583 // complete with fixup for the aeabi_read_tp function.
4585 Defs = [R0, R12, LR, CPSR], Uses = [SP] in {
4586 def TPsoft : PseudoInst<(outs), (ins), IIC_Br,
4587 [(set R0, ARMthread_pointer)]>;
4590 //===----------------------------------------------------------------------===//
4591 // SJLJ Exception handling intrinsics
4592 // eh_sjlj_setjmp() is an instruction sequence to store the return
4593 // address and save #0 in R0 for the non-longjmp case.
4594 // Since by its nature we may be coming from some other function to get
4595 // here, and we're using the stack frame for the containing function to
4596 // save/restore registers, we can't keep anything live in regs across
4597 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
4598 // when we get here from a longjmp(). We force everything out of registers
4599 // except for our own input by listing the relevant registers in Defs. By
4600 // doing so, we also cause the prologue/epilogue code to actively preserve
4601 // all of the callee-saved resgisters, which is exactly what we want.
4602 // A constant value is passed in $val, and we use the location as a scratch.
4604 // These are pseudo-instructions and are lowered to individual MC-insts, so
4605 // no encoding information is necessary.
4607 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR,
4608 QQQQ0, QQQQ1, QQQQ2, QQQQ3 ], hasSideEffects = 1, isBarrier = 1 in {
4609 def Int_eh_sjlj_setjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
4611 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
4612 Requires<[IsARM, HasVFP2]>;
4616 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR ],
4617 hasSideEffects = 1, isBarrier = 1 in {
4618 def Int_eh_sjlj_setjmp_nofp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
4620 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
4621 Requires<[IsARM, NoVFP]>;
4624 // FIXME: Non-Darwin version(s)
4625 let isBarrier = 1, hasSideEffects = 1, isTerminator = 1,
4626 Defs = [ R7, LR, SP ] in {
4627 def Int_eh_sjlj_longjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$scratch),
4629 [(ARMeh_sjlj_longjmp GPR:$src, GPR:$scratch)]>,
4630 Requires<[IsARM, IsDarwin]>;
4633 // eh.sjlj.dispatchsetup pseudo-instruction.
4634 // This pseudo is used for ARM, Thumb1 and Thumb2. Any differences are
4635 // handled when the pseudo is expanded (which happens before any passes
4636 // that need the instruction size).
4637 let isBarrier = 1, hasSideEffects = 1 in
4638 def Int_eh_sjlj_dispatchsetup :
4639 PseudoInst<(outs), (ins GPR:$src), NoItinerary,
4640 [(ARMeh_sjlj_dispatchsetup GPR:$src)]>,
4641 Requires<[IsDarwin]>;
4643 //===----------------------------------------------------------------------===//
4644 // Non-Instruction Patterns
4647 // ARMv4 indirect branch using (MOVr PC, dst)
4648 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in
4649 def MOVPCRX : ARMPseudoExpand<(outs), (ins GPR:$dst),
4650 4, IIC_Br, [(brind GPR:$dst)],
4651 (MOVr PC, GPR:$dst, (ops 14, zero_reg), zero_reg)>,
4652 Requires<[IsARM, NoV4T]>;
4654 // Large immediate handling.
4656 // 32-bit immediate using two piece so_imms or movw + movt.
4657 // This is a single pseudo instruction, the benefit is that it can be remat'd
4658 // as a single unit instead of having to handle reg inputs.
4659 // FIXME: Remove this when we can do generalized remat.
4660 let isReMaterializable = 1, isMoveImm = 1 in
4661 def MOVi32imm : PseudoInst<(outs GPR:$dst), (ins i32imm:$src), IIC_iMOVix2,
4662 [(set GPR:$dst, (arm_i32imm:$src))]>,
4665 // Pseudo instruction that combines movw + movt + add pc (if PIC).
4666 // It also makes it possible to rematerialize the instructions.
4667 // FIXME: Remove this when we can do generalized remat and when machine licm
4668 // can properly the instructions.
4669 let isReMaterializable = 1 in {
4670 def MOV_ga_pcrel : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
4672 [(set GPR:$dst, (ARMWrapperPIC tglobaladdr:$addr))]>,
4673 Requires<[IsARM, UseMovt]>;
4675 def MOV_ga_dyn : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
4677 [(set GPR:$dst, (ARMWrapperDYN tglobaladdr:$addr))]>,
4678 Requires<[IsARM, UseMovt]>;
4680 let AddedComplexity = 10 in
4681 def MOV_ga_pcrel_ldr : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
4683 [(set GPR:$dst, (load (ARMWrapperPIC tglobaladdr:$addr)))]>,
4684 Requires<[IsARM, UseMovt]>;
4685 } // isReMaterializable
4687 // ConstantPool, GlobalAddress, and JumpTable
4688 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>,
4689 Requires<[IsARM, DontUseMovt]>;
4690 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
4691 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
4692 Requires<[IsARM, UseMovt]>;
4693 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
4694 (LEApcrelJT tjumptable:$dst, imm:$id)>;
4696 // TODO: add,sub,and, 3-instr forms?
4699 def : ARMPat<(ARMtcret tcGPR:$dst),
4700 (TCRETURNri tcGPR:$dst)>, Requires<[IsDarwin]>;
4702 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
4703 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
4705 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
4706 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
4708 def : ARMPat<(ARMtcret tcGPR:$dst),
4709 (TCRETURNriND tcGPR:$dst)>, Requires<[IsNotDarwin]>;
4711 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
4712 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
4714 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
4715 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
4718 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>,
4719 Requires<[IsARM, IsNotDarwin]>;
4720 def : ARMPat<(ARMcall texternalsym:$func), (BLr9 texternalsym:$func)>,
4721 Requires<[IsARM, IsDarwin]>;
4723 // zextload i1 -> zextload i8
4724 def : ARMPat<(zextloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
4725 def : ARMPat<(zextloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
4727 // extload -> zextload
4728 def : ARMPat<(extloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
4729 def : ARMPat<(extloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
4730 def : ARMPat<(extloadi8 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
4731 def : ARMPat<(extloadi8 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
4733 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
4735 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
4736 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
4739 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
4740 (sra (shl GPR:$b, (i32 16)), (i32 16))),
4741 (SMULBB GPR:$a, GPR:$b)>;
4742 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
4743 (SMULBB GPR:$a, GPR:$b)>;
4744 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
4745 (sra GPR:$b, (i32 16))),
4746 (SMULBT GPR:$a, GPR:$b)>;
4747 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
4748 (SMULBT GPR:$a, GPR:$b)>;
4749 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
4750 (sra (shl GPR:$b, (i32 16)), (i32 16))),
4751 (SMULTB GPR:$a, GPR:$b)>;
4752 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
4753 (SMULTB GPR:$a, GPR:$b)>;
4754 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
4756 (SMULWB GPR:$a, GPR:$b)>;
4757 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
4758 (SMULWB GPR:$a, GPR:$b)>;
4760 def : ARMV5TEPat<(add GPR:$acc,
4761 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
4762 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
4763 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
4764 def : ARMV5TEPat<(add GPR:$acc,
4765 (mul sext_16_node:$a, sext_16_node:$b)),
4766 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
4767 def : ARMV5TEPat<(add GPR:$acc,
4768 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
4769 (sra GPR:$b, (i32 16)))),
4770 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
4771 def : ARMV5TEPat<(add GPR:$acc,
4772 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
4773 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
4774 def : ARMV5TEPat<(add GPR:$acc,
4775 (mul (sra GPR:$a, (i32 16)),
4776 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
4777 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
4778 def : ARMV5TEPat<(add GPR:$acc,
4779 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
4780 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
4781 def : ARMV5TEPat<(add GPR:$acc,
4782 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
4784 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
4785 def : ARMV5TEPat<(add GPR:$acc,
4786 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
4787 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
4790 // Pre-v7 uses MCR for synchronization barriers.
4791 def : ARMPat<(ARMMemBarrierMCR GPR:$zero), (MCR 15, 0, GPR:$zero, 7, 10, 5)>,
4792 Requires<[IsARM, HasV6]>;
4794 // SXT/UXT with no rotate
4795 let AddedComplexity = 16 in {
4796 def : ARMV6Pat<(and GPR:$Src, 0x000000FF), (UXTB GPR:$Src, 0)>;
4797 def : ARMV6Pat<(and GPR:$Src, 0x0000FFFF), (UXTH GPR:$Src, 0)>;
4798 def : ARMV6Pat<(and GPR:$Src, 0x00FF00FF), (UXTB16 GPR:$Src, 0)>;
4799 def : ARMV6Pat<(add GPR:$Rn, (and GPR:$Rm, 0x00FF)),
4800 (UXTAB GPR:$Rn, GPR:$Rm, 0)>;
4801 def : ARMV6Pat<(add GPR:$Rn, (and GPR:$Rm, 0xFFFF)),
4802 (UXTAH GPR:$Rn, GPR:$Rm, 0)>;
4805 def : ARMV6Pat<(sext_inreg GPR:$Src, i8), (SXTB GPR:$Src, 0)>;
4806 def : ARMV6Pat<(sext_inreg GPR:$Src, i16), (SXTH GPR:$Src, 0)>;
4808 def : ARMV6Pat<(add GPR:$Rn, (sext_inreg GPRnopc:$Rm, i8)),
4809 (SXTAB GPR:$Rn, GPRnopc:$Rm, 0)>;
4810 def : ARMV6Pat<(add GPR:$Rn, (sext_inreg GPRnopc:$Rm, i16)),
4811 (SXTAH GPR:$Rn, GPRnopc:$Rm, 0)>;
4813 // Atomic load/store patterns
4814 def : ARMPat<(atomic_load_8 ldst_so_reg:$src),
4815 (LDRBrs ldst_so_reg:$src)>;
4816 def : ARMPat<(atomic_load_8 addrmode_imm12:$src),
4817 (LDRBi12 addrmode_imm12:$src)>;
4818 def : ARMPat<(atomic_load_16 addrmode3:$src),
4819 (LDRH addrmode3:$src)>;
4820 def : ARMPat<(atomic_load_32 ldst_so_reg:$src),
4821 (LDRrs ldst_so_reg:$src)>;
4822 def : ARMPat<(atomic_load_32 addrmode_imm12:$src),
4823 (LDRi12 addrmode_imm12:$src)>;
4824 def : ARMPat<(atomic_store_8 ldst_so_reg:$ptr, GPR:$val),
4825 (STRBrs GPR:$val, ldst_so_reg:$ptr)>;
4826 def : ARMPat<(atomic_store_8 addrmode_imm12:$ptr, GPR:$val),
4827 (STRBi12 GPR:$val, addrmode_imm12:$ptr)>;
4828 def : ARMPat<(atomic_store_16 addrmode3:$ptr, GPR:$val),
4829 (STRH GPR:$val, addrmode3:$ptr)>;
4830 def : ARMPat<(atomic_store_32 ldst_so_reg:$ptr, GPR:$val),
4831 (STRrs GPR:$val, ldst_so_reg:$ptr)>;
4832 def : ARMPat<(atomic_store_32 addrmode_imm12:$ptr, GPR:$val),
4833 (STRi12 GPR:$val, addrmode_imm12:$ptr)>;
4836 //===----------------------------------------------------------------------===//
4840 include "ARMInstrThumb.td"
4842 //===----------------------------------------------------------------------===//
4846 include "ARMInstrThumb2.td"
4848 //===----------------------------------------------------------------------===//
4849 // Floating Point Support
4852 include "ARMInstrVFP.td"
4854 //===----------------------------------------------------------------------===//
4855 // Advanced SIMD (NEON) Support
4858 include "ARMInstrNEON.td"
4860 //===----------------------------------------------------------------------===//
4861 // Assembler aliases
4865 def : InstAlias<"dmb", (DMB 0xf)>, Requires<[IsARM, HasDB]>;
4866 def : InstAlias<"dsb", (DSB 0xf)>, Requires<[IsARM, HasDB]>;
4867 def : InstAlias<"isb", (ISB 0xf)>, Requires<[IsARM, HasDB]>;
4869 // System instructions
4870 def : MnemonicAlias<"swi", "svc">;
4872 // Load / Store Multiple
4873 def : MnemonicAlias<"ldmfd", "ldm">;
4874 def : MnemonicAlias<"ldmia", "ldm">;
4875 def : MnemonicAlias<"stmfd", "stmdb">;
4876 def : MnemonicAlias<"stmia", "stm">;
4877 def : MnemonicAlias<"stmea", "stm">;
4879 // PKHBT/PKHTB with default shift amount. PKHTB is equivalent to PKHBT when the
4880 // shift amount is zero (i.e., unspecified).
4881 def : InstAlias<"pkhbt${p} $Rd, $Rn, $Rm",
4882 (PKHBT GPR:$Rd, GPR:$Rn, GPR:$Rm, 0, pred:$p)>,
4883 Requires<[IsARM, HasV6]>;
4884 def : InstAlias<"pkhtb${p} $Rd, $Rn, $Rm",
4885 (PKHBT GPR:$Rd, GPR:$Rn, GPR:$Rm, 0, pred:$p)>,
4886 Requires<[IsARM, HasV6]>;
4888 // PUSH/POP aliases for STM/LDM
4889 def : ARMInstAlias<"push${p} $regs", (STMDB_UPD SP, pred:$p, reglist:$regs)>;
4890 def : ARMInstAlias<"pop${p} $regs", (LDMIA_UPD SP, pred:$p, reglist:$regs)>;
4892 // SSAT/USAT optional shift operand.
4893 def : ARMInstAlias<"ssat${p} $Rd, $sat_imm, $Rn",
4894 (SSAT GPRnopc:$Rd, imm1_32:$sat_imm, GPRnopc:$Rn, 0, pred:$p)>;
4895 def : ARMInstAlias<"usat${p} $Rd, $sat_imm, $Rn",
4896 (USAT GPRnopc:$Rd, imm0_31:$sat_imm, GPRnopc:$Rn, 0, pred:$p)>;
4899 // Extend instruction optional rotate operand.
4900 def : ARMInstAlias<"sxtab${p} $Rd, $Rn, $Rm",
4901 (SXTAB GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
4902 def : ARMInstAlias<"sxtah${p} $Rd, $Rn, $Rm",
4903 (SXTAH GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
4904 def : ARMInstAlias<"sxtab16${p} $Rd, $Rn, $Rm",
4905 (SXTAB16 GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
4906 def : ARMInstAlias<"sxtb${p} $Rd, $Rm",
4907 (SXTB GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
4908 def : ARMInstAlias<"sxtb16${p} $Rd, $Rm",
4909 (SXTB16 GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
4910 def : ARMInstAlias<"sxth${p} $Rd, $Rm",
4911 (SXTH GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
4913 def : ARMInstAlias<"uxtab${p} $Rd, $Rn, $Rm",
4914 (UXTAB GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
4915 def : ARMInstAlias<"uxtah${p} $Rd, $Rn, $Rm",
4916 (UXTAH GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
4917 def : ARMInstAlias<"uxtab16${p} $Rd, $Rn, $Rm",
4918 (UXTAB16 GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
4919 def : ARMInstAlias<"uxtb${p} $Rd, $Rm",
4920 (UXTB GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
4921 def : ARMInstAlias<"uxtb16${p} $Rd, $Rm",
4922 (UXTB16 GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
4923 def : ARMInstAlias<"uxth${p} $Rd, $Rm",
4924 (UXTH GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
4928 def : MnemonicAlias<"rfefa", "rfeda">;
4929 def : MnemonicAlias<"rfeea", "rfedb">;
4930 def : MnemonicAlias<"rfefd", "rfeia">;
4931 def : MnemonicAlias<"rfeed", "rfeib">;
4932 def : MnemonicAlias<"rfe", "rfeia">;
4935 def : MnemonicAlias<"srsfa", "srsda">;
4936 def : MnemonicAlias<"srsea", "srsdb">;
4937 def : MnemonicAlias<"srsfd", "srsia">;
4938 def : MnemonicAlias<"srsed", "srsib">;
4939 def : MnemonicAlias<"srs", "srsia">;
4941 // LDRSBT/LDRHT/LDRSHT post-index offset if optional.
4942 // Note that the write-back output register is a dummy operand for MC (it's
4943 // only meaningful for codegen), so we just pass zero here.
4944 // FIXME: tblgen not cooperating with argument conversions.
4945 //def : InstAlias<"ldrsbt${p} $Rt, $addr",
4946 // (LDRSBTi GPR:$Rt, GPR:$Rt, addr_offset_none:$addr, 0,pred:$p)>;
4947 //def : InstAlias<"ldrht${p} $Rt, $addr",
4948 // (LDRHTi GPR:$Rt, GPR:$Rt, addr_offset_none:$addr, 0, pred:$p)>;
4949 //def : InstAlias<"ldrsht${p} $Rt, $addr",
4950 // (LDRSHTi GPR:$Rt, GPR:$Rt, addr_offset_none:$addr, 0, pred:$p)>;