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>]>;
74 def ARMWrapper : SDNode<"ARMISD::Wrapper", SDTIntUnaryOp>;
75 def ARMWrapperDYN : SDNode<"ARMISD::WrapperDYN", SDTIntUnaryOp>;
76 def ARMWrapperPIC : SDNode<"ARMISD::WrapperPIC", SDTIntUnaryOp>;
77 def ARMWrapperJT : SDNode<"ARMISD::WrapperJT", SDTIntBinOp>;
79 def ARMcallseq_start : SDNode<"ISD::CALLSEQ_START", SDT_ARMCallSeqStart,
80 [SDNPHasChain, SDNPOutGlue]>;
81 def ARMcallseq_end : SDNode<"ISD::CALLSEQ_END", SDT_ARMCallSeqEnd,
82 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue]>;
84 def ARMcall : SDNode<"ARMISD::CALL", SDT_ARMcall,
85 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
87 def ARMcall_pred : SDNode<"ARMISD::CALL_PRED", SDT_ARMcall,
88 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
90 def ARMcall_nolink : SDNode<"ARMISD::CALL_NOLINK", SDT_ARMcall,
91 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
94 def ARMretflag : SDNode<"ARMISD::RET_FLAG", SDTNone,
95 [SDNPHasChain, SDNPOptInGlue]>;
97 def ARMcmov : SDNode<"ARMISD::CMOV", SDT_ARMCMov,
100 def ARMbrcond : SDNode<"ARMISD::BRCOND", SDT_ARMBrcond,
101 [SDNPHasChain, SDNPInGlue, SDNPOutGlue]>;
103 def ARMbrjt : SDNode<"ARMISD::BR_JT", SDT_ARMBrJT,
105 def ARMbr2jt : SDNode<"ARMISD::BR2_JT", SDT_ARMBr2JT,
108 def ARMBcci64 : SDNode<"ARMISD::BCC_i64", SDT_ARMBCC_i64,
111 def ARMcmp : SDNode<"ARMISD::CMP", SDT_ARMCmp,
114 def ARMcmpZ : SDNode<"ARMISD::CMPZ", SDT_ARMCmp,
115 [SDNPOutGlue, SDNPCommutative]>;
117 def ARMpic_add : SDNode<"ARMISD::PIC_ADD", SDT_ARMPICAdd>;
119 def ARMsrl_flag : SDNode<"ARMISD::SRL_FLAG", SDTIntUnaryOp, [SDNPOutGlue]>;
120 def ARMsra_flag : SDNode<"ARMISD::SRA_FLAG", SDTIntUnaryOp, [SDNPOutGlue]>;
121 def ARMrrx : SDNode<"ARMISD::RRX" , SDTIntUnaryOp, [SDNPInGlue ]>;
123 def ARMthread_pointer: SDNode<"ARMISD::THREAD_POINTER", SDT_ARMThreadPointer>;
124 def ARMeh_sjlj_setjmp: SDNode<"ARMISD::EH_SJLJ_SETJMP",
125 SDT_ARMEH_SJLJ_Setjmp, [SDNPHasChain]>;
126 def ARMeh_sjlj_longjmp: SDNode<"ARMISD::EH_SJLJ_LONGJMP",
127 SDT_ARMEH_SJLJ_Longjmp, [SDNPHasChain]>;
128 def ARMeh_sjlj_dispatchsetup: SDNode<"ARMISD::EH_SJLJ_DISPATCHSETUP",
129 SDT_ARMEH_SJLJ_DispatchSetup, [SDNPHasChain]>;
132 def ARMMemBarrier : SDNode<"ARMISD::MEMBARRIER", SDT_ARMMEMBARRIER,
134 def ARMMemBarrierMCR : SDNode<"ARMISD::MEMBARRIER_MCR", SDT_ARMMEMBARRIER,
136 def ARMPreload : SDNode<"ARMISD::PRELOAD", SDT_ARMPREFETCH,
137 [SDNPHasChain, SDNPMayLoad, SDNPMayStore]>;
139 def ARMrbit : SDNode<"ARMISD::RBIT", SDTIntUnaryOp>;
141 def ARMtcret : SDNode<"ARMISD::TC_RETURN", SDT_ARMTCRET,
142 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
145 def ARMbfi : SDNode<"ARMISD::BFI", SDT_ARMBFI>;
147 //===----------------------------------------------------------------------===//
148 // ARM Instruction Predicate Definitions.
150 def HasV4T : Predicate<"Subtarget->hasV4TOps()">,
151 AssemblerPredicate<"HasV4TOps">;
152 def NoV4T : Predicate<"!Subtarget->hasV4TOps()">;
153 def HasV5T : Predicate<"Subtarget->hasV5TOps()">;
154 def HasV5TE : Predicate<"Subtarget->hasV5TEOps()">,
155 AssemblerPredicate<"HasV5TEOps">;
156 def HasV6 : Predicate<"Subtarget->hasV6Ops()">,
157 AssemblerPredicate<"HasV6Ops">;
158 def NoV6 : Predicate<"!Subtarget->hasV6Ops()">;
159 def HasV6T2 : Predicate<"Subtarget->hasV6T2Ops()">,
160 AssemblerPredicate<"HasV6T2Ops">;
161 def NoV6T2 : Predicate<"!Subtarget->hasV6T2Ops()">;
162 def HasV7 : Predicate<"Subtarget->hasV7Ops()">,
163 AssemblerPredicate<"HasV7Ops">;
164 def NoVFP : Predicate<"!Subtarget->hasVFP2()">;
165 def HasVFP2 : Predicate<"Subtarget->hasVFP2()">,
166 AssemblerPredicate<"FeatureVFP2">;
167 def HasVFP3 : Predicate<"Subtarget->hasVFP3()">,
168 AssemblerPredicate<"FeatureVFP3">;
169 def HasNEON : Predicate<"Subtarget->hasNEON()">,
170 AssemblerPredicate<"FeatureNEON">;
171 def HasFP16 : Predicate<"Subtarget->hasFP16()">,
172 AssemblerPredicate<"FeatureFP16">;
173 def HasDivide : Predicate<"Subtarget->hasDivide()">,
174 AssemblerPredicate<"FeatureHWDiv">;
175 def HasT2ExtractPack : Predicate<"Subtarget->hasT2ExtractPack()">,
176 AssemblerPredicate<"FeatureT2XtPk">;
177 def HasThumb2DSP : Predicate<"Subtarget->hasThumb2DSP()">,
178 AssemblerPredicate<"FeatureDSPThumb2">;
179 def HasDB : Predicate<"Subtarget->hasDataBarrier()">,
180 AssemblerPredicate<"FeatureDB">;
181 def HasMP : Predicate<"Subtarget->hasMPExtension()">,
182 AssemblerPredicate<"FeatureMP">;
183 def UseNEONForFP : Predicate<"Subtarget->useNEONForSinglePrecisionFP()">;
184 def DontUseNEONForFP : Predicate<"!Subtarget->useNEONForSinglePrecisionFP()">;
185 def IsThumb : Predicate<"Subtarget->isThumb()">,
186 AssemblerPredicate<"ModeThumb">;
187 def IsThumb1Only : Predicate<"Subtarget->isThumb1Only()">;
188 def IsThumb2 : Predicate<"Subtarget->isThumb2()">,
189 AssemblerPredicate<"ModeThumb,FeatureThumb2">;
190 def IsARM : Predicate<"!Subtarget->isThumb()">,
191 AssemblerPredicate<"!ModeThumb">;
192 def IsDarwin : Predicate<"Subtarget->isTargetDarwin()">;
193 def IsNotDarwin : Predicate<"!Subtarget->isTargetDarwin()">;
195 // FIXME: Eventually this will be just "hasV6T2Ops".
196 def UseMovt : Predicate<"Subtarget->useMovt()">;
197 def DontUseMovt : Predicate<"!Subtarget->useMovt()">;
198 def UseFPVMLx : Predicate<"Subtarget->useFPVMLx()">;
200 //===----------------------------------------------------------------------===//
201 // ARM Flag Definitions.
203 class RegConstraint<string C> {
204 string Constraints = C;
207 //===----------------------------------------------------------------------===//
208 // ARM specific transformation functions and pattern fragments.
211 // so_imm_neg_XFORM - Return a so_imm value packed into the format described for
212 // so_imm_neg def below.
213 def so_imm_neg_XFORM : SDNodeXForm<imm, [{
214 return CurDAG->getTargetConstant(-(int)N->getZExtValue(), MVT::i32);
217 // so_imm_not_XFORM - Return a so_imm value packed into the format described for
218 // so_imm_not def below.
219 def so_imm_not_XFORM : SDNodeXForm<imm, [{
220 return CurDAG->getTargetConstant(~(int)N->getZExtValue(), MVT::i32);
223 /// imm1_15 predicate - True if the 32-bit immediate is in the range [1,15].
224 def imm1_15 : ImmLeaf<i32, [{
225 return (int32_t)Imm >= 1 && (int32_t)Imm < 16;
228 /// imm16_31 predicate - True if the 32-bit immediate is in the range [16,31].
229 def imm16_31 : ImmLeaf<i32, [{
230 return (int32_t)Imm >= 16 && (int32_t)Imm < 32;
235 return ARM_AM::getSOImmVal(-(uint32_t)N->getZExtValue()) != -1;
236 }], so_imm_neg_XFORM>;
240 return ARM_AM::getSOImmVal(~(uint32_t)N->getZExtValue()) != -1;
241 }], so_imm_not_XFORM>;
243 // sext_16_node predicate - True if the SDNode is sign-extended 16 or more bits.
244 def sext_16_node : PatLeaf<(i32 GPR:$a), [{
245 return CurDAG->ComputeNumSignBits(SDValue(N,0)) >= 17;
248 /// Split a 32-bit immediate into two 16 bit parts.
249 def hi16 : SDNodeXForm<imm, [{
250 return CurDAG->getTargetConstant((uint32_t)N->getZExtValue() >> 16, MVT::i32);
253 def lo16AllZero : PatLeaf<(i32 imm), [{
254 // Returns true if all low 16-bits are 0.
255 return (((uint32_t)N->getZExtValue()) & 0xFFFFUL) == 0;
258 /// imm0_65535 - An immediate is in the range [0.65535].
259 def Imm0_65535AsmOperand: AsmOperandClass { let Name = "Imm0_65535"; }
260 def imm0_65535 : Operand<i32>, ImmLeaf<i32, [{
261 return Imm >= 0 && Imm < 65536;
263 let ParserMatchClass = Imm0_65535AsmOperand;
266 class BinOpFrag<dag res> : PatFrag<(ops node:$LHS, node:$RHS), res>;
267 class UnOpFrag <dag res> : PatFrag<(ops node:$Src), res>;
269 /// adde and sube predicates - True based on whether the carry flag output
270 /// will be needed or not.
271 def adde_dead_carry :
272 PatFrag<(ops node:$LHS, node:$RHS), (adde node:$LHS, node:$RHS),
273 [{return !N->hasAnyUseOfValue(1);}]>;
274 def sube_dead_carry :
275 PatFrag<(ops node:$LHS, node:$RHS), (sube node:$LHS, node:$RHS),
276 [{return !N->hasAnyUseOfValue(1);}]>;
277 def adde_live_carry :
278 PatFrag<(ops node:$LHS, node:$RHS), (adde node:$LHS, node:$RHS),
279 [{return N->hasAnyUseOfValue(1);}]>;
280 def sube_live_carry :
281 PatFrag<(ops node:$LHS, node:$RHS), (sube node:$LHS, node:$RHS),
282 [{return N->hasAnyUseOfValue(1);}]>;
284 // An 'and' node with a single use.
285 def and_su : PatFrag<(ops node:$lhs, node:$rhs), (and node:$lhs, node:$rhs), [{
286 return N->hasOneUse();
289 // An 'xor' node with a single use.
290 def xor_su : PatFrag<(ops node:$lhs, node:$rhs), (xor node:$lhs, node:$rhs), [{
291 return N->hasOneUse();
294 // An 'fmul' node with a single use.
295 def fmul_su : PatFrag<(ops node:$lhs, node:$rhs), (fmul node:$lhs, node:$rhs),[{
296 return N->hasOneUse();
299 // An 'fadd' node which checks for single non-hazardous use.
300 def fadd_mlx : PatFrag<(ops node:$lhs, node:$rhs),(fadd node:$lhs, node:$rhs),[{
301 return hasNoVMLxHazardUse(N);
304 // An 'fsub' node which checks for single non-hazardous use.
305 def fsub_mlx : PatFrag<(ops node:$lhs, node:$rhs),(fsub node:$lhs, node:$rhs),[{
306 return hasNoVMLxHazardUse(N);
309 //===----------------------------------------------------------------------===//
310 // Operand Definitions.
314 // FIXME: rename brtarget to t2_brtarget
315 def brtarget : Operand<OtherVT> {
316 let EncoderMethod = "getBranchTargetOpValue";
317 let OperandType = "OPERAND_PCREL";
318 let DecoderMethod = "DecodeT2BROperand";
321 // FIXME: get rid of this one?
322 def uncondbrtarget : Operand<OtherVT> {
323 let EncoderMethod = "getUnconditionalBranchTargetOpValue";
324 let OperandType = "OPERAND_PCREL";
327 // Branch target for ARM. Handles conditional/unconditional
328 def br_target : Operand<OtherVT> {
329 let EncoderMethod = "getARMBranchTargetOpValue";
330 let OperandType = "OPERAND_PCREL";
334 // FIXME: rename bltarget to t2_bl_target?
335 def bltarget : Operand<i32> {
336 // Encoded the same as branch targets.
337 let EncoderMethod = "getBranchTargetOpValue";
338 let OperandType = "OPERAND_PCREL";
341 // Call target for ARM. Handles conditional/unconditional
342 // FIXME: rename bl_target to t2_bltarget?
343 def bl_target : Operand<i32> {
344 // Encoded the same as branch targets.
345 let EncoderMethod = "getARMBranchTargetOpValue";
346 let OperandType = "OPERAND_PCREL";
347 let DecoderMethod = "DecodeBLTargetOperand";
351 // A list of registers separated by comma. Used by load/store multiple.
352 def RegListAsmOperand : AsmOperandClass { let Name = "RegList"; }
353 def reglist : Operand<i32> {
354 let EncoderMethod = "getRegisterListOpValue";
355 let ParserMatchClass = RegListAsmOperand;
356 let PrintMethod = "printRegisterList";
357 let DecoderMethod = "DecodeRegListOperand";
360 def DPRRegListAsmOperand : AsmOperandClass { let Name = "DPRRegList"; }
361 def dpr_reglist : Operand<i32> {
362 let EncoderMethod = "getRegisterListOpValue";
363 let ParserMatchClass = DPRRegListAsmOperand;
364 let PrintMethod = "printRegisterList";
365 let DecoderMethod = "DecodeDPRRegListOperand";
368 def SPRRegListAsmOperand : AsmOperandClass { let Name = "SPRRegList"; }
369 def spr_reglist : Operand<i32> {
370 let EncoderMethod = "getRegisterListOpValue";
371 let ParserMatchClass = SPRRegListAsmOperand;
372 let PrintMethod = "printRegisterList";
373 let DecoderMethod = "DecodeSPRRegListOperand";
376 // An operand for the CONSTPOOL_ENTRY pseudo-instruction.
377 def cpinst_operand : Operand<i32> {
378 let PrintMethod = "printCPInstOperand";
382 def pclabel : Operand<i32> {
383 let PrintMethod = "printPCLabel";
386 // ADR instruction labels.
387 def adrlabel : Operand<i32> {
388 let EncoderMethod = "getAdrLabelOpValue";
391 def neon_vcvt_imm32 : Operand<i32> {
392 let EncoderMethod = "getNEONVcvtImm32OpValue";
393 let DecoderMethod = "DecodeVCVTImmOperand";
396 // rot_imm: An integer that encodes a rotate amount. Must be 8, 16, or 24.
397 def rot_imm_XFORM: SDNodeXForm<imm, [{
398 switch (N->getZExtValue()){
400 case 0: return CurDAG->getTargetConstant(0, MVT::i32);
401 case 8: return CurDAG->getTargetConstant(1, MVT::i32);
402 case 16: return CurDAG->getTargetConstant(2, MVT::i32);
403 case 24: return CurDAG->getTargetConstant(3, MVT::i32);
406 def RotImmAsmOperand : AsmOperandClass {
408 let ParserMethod = "parseRotImm";
410 def rot_imm : Operand<i32>, PatLeaf<(i32 imm), [{
411 int32_t v = N->getZExtValue();
412 return v == 8 || v == 16 || v == 24; }],
414 let PrintMethod = "printRotImmOperand";
415 let ParserMatchClass = RotImmAsmOperand;
418 // shift_imm: An integer that encodes a shift amount and the type of shift
419 // (asr or lsl). The 6-bit immediate encodes as:
422 // {4-0} imm5 shift amount.
423 // asr #32 encoded as imm5 == 0.
424 def ShifterImmAsmOperand : AsmOperandClass {
425 let Name = "ShifterImm";
426 let ParserMethod = "parseShifterImm";
428 def shift_imm : Operand<i32> {
429 let PrintMethod = "printShiftImmOperand";
430 let ParserMatchClass = ShifterImmAsmOperand;
433 // shifter_operand operands: so_reg_reg, so_reg_imm, and so_imm.
434 def ShiftedRegAsmOperand : AsmOperandClass { let Name = "RegShiftedReg"; }
435 def so_reg_reg : Operand<i32>, // reg reg imm
436 ComplexPattern<i32, 3, "SelectRegShifterOperand",
437 [shl, srl, sra, rotr]> {
438 let EncoderMethod = "getSORegRegOpValue";
439 let PrintMethod = "printSORegRegOperand";
440 let DecoderMethod = "DecodeSORegRegOperand";
441 let ParserMatchClass = ShiftedRegAsmOperand;
442 let MIOperandInfo = (ops GPRnopc, GPRnopc, i32imm);
445 def ShiftedImmAsmOperand : AsmOperandClass { let Name = "RegShiftedImm"; }
446 def so_reg_imm : Operand<i32>, // reg imm
447 ComplexPattern<i32, 2, "SelectImmShifterOperand",
448 [shl, srl, sra, rotr]> {
449 let EncoderMethod = "getSORegImmOpValue";
450 let PrintMethod = "printSORegImmOperand";
451 let DecoderMethod = "DecodeSORegImmOperand";
452 let ParserMatchClass = ShiftedImmAsmOperand;
453 let MIOperandInfo = (ops GPR, i32imm);
456 // FIXME: Does this need to be distinct from so_reg?
457 def shift_so_reg_reg : Operand<i32>, // reg reg imm
458 ComplexPattern<i32, 3, "SelectShiftRegShifterOperand",
459 [shl,srl,sra,rotr]> {
460 let EncoderMethod = "getSORegRegOpValue";
461 let PrintMethod = "printSORegRegOperand";
462 let DecoderMethod = "DecodeSORegRegOperand";
463 let MIOperandInfo = (ops GPR, GPR, i32imm);
466 // FIXME: Does this need to be distinct from so_reg?
467 def shift_so_reg_imm : Operand<i32>, // reg reg imm
468 ComplexPattern<i32, 2, "SelectShiftImmShifterOperand",
469 [shl,srl,sra,rotr]> {
470 let EncoderMethod = "getSORegImmOpValue";
471 let PrintMethod = "printSORegImmOperand";
472 let DecoderMethod = "DecodeSORegImmOperand";
473 let MIOperandInfo = (ops GPR, i32imm);
477 // so_imm - Match a 32-bit shifter_operand immediate operand, which is an
478 // 8-bit immediate rotated by an arbitrary number of bits.
479 def SOImmAsmOperand: AsmOperandClass { let Name = "ARMSOImm"; }
480 def so_imm : Operand<i32>, ImmLeaf<i32, [{
481 return ARM_AM::getSOImmVal(Imm) != -1;
483 let EncoderMethod = "getSOImmOpValue";
484 let ParserMatchClass = SOImmAsmOperand;
485 let DecoderMethod = "DecodeSOImmOperand";
488 // Break so_imm's up into two pieces. This handles immediates with up to 16
489 // bits set in them. This uses so_imm2part to match and so_imm2part_[12] to
490 // get the first/second pieces.
491 def so_imm2part : PatLeaf<(imm), [{
492 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
495 /// arm_i32imm - True for +V6T2, or true only if so_imm2part is true.
497 def arm_i32imm : PatLeaf<(imm), [{
498 if (Subtarget->hasV6T2Ops())
500 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
503 /// imm0_7 predicate - Immediate in the range [0,7].
504 def Imm0_7AsmOperand: AsmOperandClass { let Name = "Imm0_7"; }
505 def imm0_7 : Operand<i32>, ImmLeaf<i32, [{
506 return Imm >= 0 && Imm < 8;
508 let ParserMatchClass = Imm0_7AsmOperand;
511 /// imm0_15 predicate - Immediate in the range [0,15].
512 def Imm0_15AsmOperand: AsmOperandClass { let Name = "Imm0_15"; }
513 def imm0_15 : Operand<i32>, ImmLeaf<i32, [{
514 return Imm >= 0 && Imm < 16;
516 let ParserMatchClass = Imm0_15AsmOperand;
519 /// imm0_31 predicate - True if the 32-bit immediate is in the range [0,31].
520 def Imm0_31AsmOperand: AsmOperandClass { let Name = "Imm0_31"; }
521 def imm0_31 : Operand<i32>, ImmLeaf<i32, [{
522 return Imm >= 0 && Imm < 32;
524 let ParserMatchClass = Imm0_31AsmOperand;
527 /// imm0_255 predicate - Immediate in the range [0,255].
528 def Imm0_255AsmOperand : AsmOperandClass { let Name = "Imm0_255"; }
529 def imm0_255 : Operand<i32>, ImmLeaf<i32, [{ return Imm >= 0 && Imm < 256; }]> {
530 let ParserMatchClass = Imm0_255AsmOperand;
533 // imm0_65535_expr - For movt/movw - 16-bit immediate that can also reference
534 // a relocatable expression.
536 // FIXME: This really needs a Thumb version separate from the ARM version.
537 // While the range is the same, and can thus use the same match class,
538 // the encoding is different so it should have a different encoder method.
539 def Imm0_65535ExprAsmOperand: AsmOperandClass { let Name = "Imm0_65535Expr"; }
540 def imm0_65535_expr : Operand<i32> {
541 let EncoderMethod = "getHiLo16ImmOpValue";
542 let ParserMatchClass = Imm0_65535ExprAsmOperand;
545 /// imm24b - True if the 32-bit immediate is encodable in 24 bits.
546 def Imm24bitAsmOperand: AsmOperandClass { let Name = "Imm24bit"; }
547 def imm24b : Operand<i32>, ImmLeaf<i32, [{
548 return Imm >= 0 && Imm <= 0xffffff;
550 let ParserMatchClass = Imm24bitAsmOperand;
554 /// bf_inv_mask_imm predicate - An AND mask to clear an arbitrary width bitfield
556 def BitfieldAsmOperand : AsmOperandClass {
557 let Name = "Bitfield";
558 let ParserMethod = "parseBitfield";
560 def bf_inv_mask_imm : Operand<i32>,
562 return ARM::isBitFieldInvertedMask(N->getZExtValue());
564 let EncoderMethod = "getBitfieldInvertedMaskOpValue";
565 let PrintMethod = "printBitfieldInvMaskImmOperand";
566 let DecoderMethod = "DecodeBitfieldMaskOperand";
567 let ParserMatchClass = BitfieldAsmOperand;
570 /// lsb_pos_imm - position of the lsb bit, used by BFI4p and t2BFI4p
571 def lsb_pos_imm : Operand<i32>, ImmLeaf<i32, [{
572 return isInt<5>(Imm);
575 /// width_imm - number of bits to be copied, used by BFI4p and t2BFI4p
576 def width_imm : Operand<i32>, ImmLeaf<i32, [{
577 return Imm > 0 && Imm <= 32;
579 let EncoderMethod = "getMsbOpValue";
582 def imm1_32_XFORM: SDNodeXForm<imm, [{
583 return CurDAG->getTargetConstant((int)N->getZExtValue() - 1, MVT::i32);
585 def Imm1_32AsmOperand: AsmOperandClass { let Name = "Imm1_32"; }
586 def imm1_32 : Operand<i32>, PatLeaf<(imm), [{
587 uint64_t Imm = N->getZExtValue();
588 return Imm > 0 && Imm <= 32;
591 let PrintMethod = "printImmPlusOneOperand";
592 let ParserMatchClass = Imm1_32AsmOperand;
595 def imm1_16_XFORM: SDNodeXForm<imm, [{
596 return CurDAG->getTargetConstant((int)N->getZExtValue() - 1, MVT::i32);
598 def Imm1_16AsmOperand: AsmOperandClass { let Name = "Imm1_16"; }
599 def imm1_16 : Operand<i32>, PatLeaf<(imm), [{ return Imm > 0 && Imm <= 16; }],
601 let PrintMethod = "printImmPlusOneOperand";
602 let ParserMatchClass = Imm1_16AsmOperand;
605 // Define ARM specific addressing modes.
606 // addrmode_imm12 := reg +/- imm12
608 def MemImm12OffsetAsmOperand : AsmOperandClass { let Name = "MemImm12Offset"; }
609 def addrmode_imm12 : Operand<i32>,
610 ComplexPattern<i32, 2, "SelectAddrModeImm12", []> {
611 // 12-bit immediate operand. Note that instructions using this encode
612 // #0 and #-0 differently. We flag #-0 as the magic value INT32_MIN. All other
613 // immediate values are as normal.
615 let EncoderMethod = "getAddrModeImm12OpValue";
616 let PrintMethod = "printAddrModeImm12Operand";
617 let DecoderMethod = "DecodeAddrModeImm12Operand";
618 let ParserMatchClass = MemImm12OffsetAsmOperand;
619 let MIOperandInfo = (ops GPR:$base, i32imm:$offsimm);
621 // ldst_so_reg := reg +/- reg shop imm
623 def MemRegOffsetAsmOperand : AsmOperandClass { let Name = "MemRegOffset"; }
624 def ldst_so_reg : Operand<i32>,
625 ComplexPattern<i32, 3, "SelectLdStSOReg", []> {
626 let EncoderMethod = "getLdStSORegOpValue";
627 // FIXME: Simplify the printer
628 let PrintMethod = "printAddrMode2Operand";
629 let DecoderMethod = "DecodeSORegMemOperand";
630 let ParserMatchClass = MemRegOffsetAsmOperand;
631 let MIOperandInfo = (ops GPR:$base, GPRnopc:$offsreg, i32imm:$shift);
634 // postidx_imm8 := +/- [0,255]
637 // {8} 1 is imm8 is non-negative. 0 otherwise.
638 // {7-0} [0,255] imm8 value.
639 def PostIdxImm8AsmOperand : AsmOperandClass { let Name = "PostIdxImm8"; }
640 def postidx_imm8 : Operand<i32> {
641 let PrintMethod = "printPostIdxImm8Operand";
642 let ParserMatchClass = PostIdxImm8AsmOperand;
643 let MIOperandInfo = (ops i32imm);
646 // postidx_imm8s4 := +/- [0,1020]
649 // {8} 1 is imm8 is non-negative. 0 otherwise.
650 // {7-0} [0,255] imm8 value, scaled by 4.
651 def postidx_imm8s4 : Operand<i32> {
652 let PrintMethod = "printPostIdxImm8s4Operand";
653 let MIOperandInfo = (ops i32imm);
657 // postidx_reg := +/- reg
659 def PostIdxRegAsmOperand : AsmOperandClass {
660 let Name = "PostIdxReg";
661 let ParserMethod = "parsePostIdxReg";
663 def postidx_reg : Operand<i32> {
664 let EncoderMethod = "getPostIdxRegOpValue";
665 let DecoderMethod = "DecodePostIdxReg";
666 let PrintMethod = "printPostIdxRegOperand";
667 let ParserMatchClass = PostIdxRegAsmOperand;
668 let MIOperandInfo = (ops GPR, i32imm);
672 // addrmode2 := reg +/- imm12
673 // := reg +/- reg shop imm
675 // FIXME: addrmode2 should be refactored the rest of the way to always
676 // use explicit imm vs. reg versions above (addrmode_imm12 and ldst_so_reg).
677 def AddrMode2AsmOperand : AsmOperandClass { let Name = "AddrMode2"; }
678 def addrmode2 : Operand<i32>,
679 ComplexPattern<i32, 3, "SelectAddrMode2", []> {
680 let EncoderMethod = "getAddrMode2OpValue";
681 let PrintMethod = "printAddrMode2Operand";
682 let ParserMatchClass = AddrMode2AsmOperand;
683 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
686 def PostIdxRegShiftedAsmOperand : AsmOperandClass {
687 let Name = "PostIdxRegShifted";
688 let ParserMethod = "parsePostIdxReg";
690 def am2offset_reg : Operand<i32>,
691 ComplexPattern<i32, 2, "SelectAddrMode2OffsetReg",
692 [], [SDNPWantRoot]> {
693 let EncoderMethod = "getAddrMode2OffsetOpValue";
694 let PrintMethod = "printAddrMode2OffsetOperand";
695 // When using this for assembly, it's always as a post-index offset.
696 let ParserMatchClass = PostIdxRegShiftedAsmOperand;
697 let MIOperandInfo = (ops GPR, i32imm);
700 // FIXME: am2offset_imm should only need the immediate, not the GPR. Having
701 // the GPR is purely vestigal at this point.
702 def AM2OffsetImmAsmOperand : AsmOperandClass { let Name = "AM2OffsetImm"; }
703 def am2offset_imm : Operand<i32>,
704 ComplexPattern<i32, 2, "SelectAddrMode2OffsetImm",
705 [], [SDNPWantRoot]> {
706 let EncoderMethod = "getAddrMode2OffsetOpValue";
707 let PrintMethod = "printAddrMode2OffsetOperand";
708 let ParserMatchClass = AM2OffsetImmAsmOperand;
709 let MIOperandInfo = (ops GPR, i32imm);
713 // addrmode3 := reg +/- reg
714 // addrmode3 := reg +/- imm8
716 // FIXME: split into imm vs. reg versions.
717 def AddrMode3AsmOperand : AsmOperandClass { let Name = "AddrMode3"; }
718 def addrmode3 : Operand<i32>,
719 ComplexPattern<i32, 3, "SelectAddrMode3", []> {
720 let EncoderMethod = "getAddrMode3OpValue";
721 let PrintMethod = "printAddrMode3Operand";
722 let ParserMatchClass = AddrMode3AsmOperand;
723 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
726 // FIXME: split into imm vs. reg versions.
727 // FIXME: parser method to handle +/- register.
728 def AM3OffsetAsmOperand : AsmOperandClass {
729 let Name = "AM3Offset";
730 let ParserMethod = "parseAM3Offset";
732 def am3offset : Operand<i32>,
733 ComplexPattern<i32, 2, "SelectAddrMode3Offset",
734 [], [SDNPWantRoot]> {
735 let EncoderMethod = "getAddrMode3OffsetOpValue";
736 let PrintMethod = "printAddrMode3OffsetOperand";
737 let ParserMatchClass = AM3OffsetAsmOperand;
738 let MIOperandInfo = (ops GPR, i32imm);
741 // ldstm_mode := {ia, ib, da, db}
743 def ldstm_mode : OptionalDefOperand<OtherVT, (ops i32), (ops (i32 1))> {
744 let EncoderMethod = "getLdStmModeOpValue";
745 let PrintMethod = "printLdStmModeOperand";
748 // addrmode5 := reg +/- imm8*4
750 def AddrMode5AsmOperand : AsmOperandClass { let Name = "AddrMode5"; }
751 def addrmode5 : Operand<i32>,
752 ComplexPattern<i32, 2, "SelectAddrMode5", []> {
753 let PrintMethod = "printAddrMode5Operand";
754 let EncoderMethod = "getAddrMode5OpValue";
755 let DecoderMethod = "DecodeAddrMode5Operand";
756 let ParserMatchClass = AddrMode5AsmOperand;
757 let MIOperandInfo = (ops GPR:$base, i32imm);
760 // addrmode6 := reg with optional alignment
762 def addrmode6 : Operand<i32>,
763 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
764 let PrintMethod = "printAddrMode6Operand";
765 let MIOperandInfo = (ops GPR:$addr, i32imm);
766 let EncoderMethod = "getAddrMode6AddressOpValue";
767 let DecoderMethod = "DecodeAddrMode6Operand";
770 def am6offset : Operand<i32>,
771 ComplexPattern<i32, 1, "SelectAddrMode6Offset",
772 [], [SDNPWantRoot]> {
773 let PrintMethod = "printAddrMode6OffsetOperand";
774 let MIOperandInfo = (ops GPR);
775 let EncoderMethod = "getAddrMode6OffsetOpValue";
776 let DecoderMethod = "DecodeGPRRegisterClass";
779 // Special version of addrmode6 to handle alignment encoding for VST1/VLD1
780 // (single element from one lane) for size 32.
781 def addrmode6oneL32 : Operand<i32>,
782 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
783 let PrintMethod = "printAddrMode6Operand";
784 let MIOperandInfo = (ops GPR:$addr, i32imm);
785 let EncoderMethod = "getAddrMode6OneLane32AddressOpValue";
788 // Special version of addrmode6 to handle alignment encoding for VLD-dup
789 // instructions, specifically VLD4-dup.
790 def addrmode6dup : Operand<i32>,
791 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
792 let PrintMethod = "printAddrMode6Operand";
793 let MIOperandInfo = (ops GPR:$addr, i32imm);
794 let EncoderMethod = "getAddrMode6DupAddressOpValue";
797 // addrmodepc := pc + reg
799 def addrmodepc : Operand<i32>,
800 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
801 let PrintMethod = "printAddrModePCOperand";
802 let MIOperandInfo = (ops GPR, i32imm);
805 // addr_offset_none := reg
807 def MemNoOffsetAsmOperand : AsmOperandClass { let Name = "MemNoOffset"; }
808 def addr_offset_none : Operand<i32>,
809 ComplexPattern<i32, 1, "SelectAddrOffsetNone", []> {
810 let PrintMethod = "printAddrMode7Operand";
811 let DecoderMethod = "DecodeAddrMode7Operand";
812 let ParserMatchClass = MemNoOffsetAsmOperand;
813 let MIOperandInfo = (ops GPR:$base);
816 def nohash_imm : Operand<i32> {
817 let PrintMethod = "printNoHashImmediate";
820 def CoprocNumAsmOperand : AsmOperandClass {
821 let Name = "CoprocNum";
822 let ParserMethod = "parseCoprocNumOperand";
824 def p_imm : Operand<i32> {
825 let PrintMethod = "printPImmediate";
826 let ParserMatchClass = CoprocNumAsmOperand;
827 let DecoderMethod = "DecodeCoprocessor";
830 def CoprocRegAsmOperand : AsmOperandClass {
831 let Name = "CoprocReg";
832 let ParserMethod = "parseCoprocRegOperand";
834 def c_imm : Operand<i32> {
835 let PrintMethod = "printCImmediate";
836 let ParserMatchClass = CoprocRegAsmOperand;
839 //===----------------------------------------------------------------------===//
841 include "ARMInstrFormats.td"
843 //===----------------------------------------------------------------------===//
844 // Multiclass helpers...
847 /// AsI1_bin_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns for a
848 /// binop that produces a value.
849 multiclass AsI1_bin_irs<bits<4> opcod, string opc,
850 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
851 PatFrag opnode, string baseOpc, bit Commutable = 0> {
852 // The register-immediate version is re-materializable. This is useful
853 // in particular for taking the address of a local.
854 let isReMaterializable = 1 in {
855 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
856 iii, opc, "\t$Rd, $Rn, $imm",
857 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]> {
862 let Inst{19-16} = Rn;
863 let Inst{15-12} = Rd;
864 let Inst{11-0} = imm;
867 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
868 iir, opc, "\t$Rd, $Rn, $Rm",
869 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
874 let isCommutable = Commutable;
875 let Inst{19-16} = Rn;
876 let Inst{15-12} = Rd;
877 let Inst{11-4} = 0b00000000;
881 def rsi : AsI1<opcod, (outs GPR:$Rd),
882 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm,
883 iis, opc, "\t$Rd, $Rn, $shift",
884 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_imm:$shift))]> {
889 let Inst{19-16} = Rn;
890 let Inst{15-12} = Rd;
891 let Inst{11-5} = shift{11-5};
893 let Inst{3-0} = shift{3-0};
896 def rsr : AsI1<opcod, (outs GPR:$Rd),
897 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm,
898 iis, opc, "\t$Rd, $Rn, $shift",
899 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_reg:$shift))]> {
904 let Inst{19-16} = Rn;
905 let Inst{15-12} = Rd;
906 let Inst{11-8} = shift{11-8};
908 let Inst{6-5} = shift{6-5};
910 let Inst{3-0} = shift{3-0};
913 // Assembly aliases for optional destination operand when it's the same
914 // as the source operand.
915 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $imm"),
916 (!cast<Instruction>(!strconcat(baseOpc, "ri")) GPR:$Rdn, GPR:$Rdn,
917 so_imm:$imm, pred:$p,
920 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $Rm"),
921 (!cast<Instruction>(!strconcat(baseOpc, "rr")) GPR:$Rdn, GPR:$Rdn,
925 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
926 (!cast<Instruction>(!strconcat(baseOpc, "rsi")) GPR:$Rdn, GPR:$Rdn,
927 so_reg_imm:$shift, pred:$p,
930 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
931 (!cast<Instruction>(!strconcat(baseOpc, "rsr")) GPR:$Rdn, GPR:$Rdn,
932 so_reg_reg:$shift, pred:$p,
938 /// AI1_bin_s_irs - Similar to AsI1_bin_irs except it sets the 's' bit so the
939 /// instruction modifies the CPSR register.
940 let isCodeGenOnly = 1, Defs = [CPSR] in {
941 multiclass AI1_bin_s_irs<bits<4> opcod, string opc,
942 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
943 PatFrag opnode, bit Commutable = 0> {
944 def ri : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
945 iii, opc, "\t$Rd, $Rn, $imm",
946 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]> {
952 let Inst{19-16} = Rn;
953 let Inst{15-12} = Rd;
954 let Inst{11-0} = imm;
956 def rr : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
957 iir, opc, "\t$Rd, $Rn, $Rm",
958 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
962 let isCommutable = Commutable;
965 let Inst{19-16} = Rn;
966 let Inst{15-12} = Rd;
967 let Inst{11-4} = 0b00000000;
970 def rsi : AI1<opcod, (outs GPR:$Rd),
971 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm,
972 iis, opc, "\t$Rd, $Rn, $shift",
973 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_imm:$shift))]> {
979 let Inst{19-16} = Rn;
980 let Inst{15-12} = Rd;
981 let Inst{11-5} = shift{11-5};
983 let Inst{3-0} = shift{3-0};
986 def rsr : AI1<opcod, (outs GPR:$Rd),
987 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm,
988 iis, opc, "\t$Rd, $Rn, $shift",
989 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_reg:$shift))]> {
995 let Inst{19-16} = Rn;
996 let Inst{15-12} = Rd;
997 let Inst{11-8} = shift{11-8};
999 let Inst{6-5} = shift{6-5};
1001 let Inst{3-0} = shift{3-0};
1006 /// AI1_cmp_irs - Defines a set of (op r, {so_imm|r|so_reg}) cmp / test
1007 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
1008 /// a explicit result, only implicitly set CPSR.
1009 let isCompare = 1, Defs = [CPSR] in {
1010 multiclass AI1_cmp_irs<bits<4> opcod, string opc,
1011 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
1012 PatFrag opnode, bit Commutable = 0> {
1013 def ri : AI1<opcod, (outs), (ins GPR:$Rn, so_imm:$imm), DPFrm, iii,
1015 [(opnode GPR:$Rn, so_imm:$imm)]> {
1020 let Inst{19-16} = Rn;
1021 let Inst{15-12} = 0b0000;
1022 let Inst{11-0} = imm;
1024 def rr : AI1<opcod, (outs), (ins GPR:$Rn, GPR:$Rm), DPFrm, iir,
1026 [(opnode GPR:$Rn, GPR:$Rm)]> {
1029 let isCommutable = Commutable;
1032 let Inst{19-16} = Rn;
1033 let Inst{15-12} = 0b0000;
1034 let Inst{11-4} = 0b00000000;
1037 def rsi : AI1<opcod, (outs),
1038 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm, iis,
1039 opc, "\t$Rn, $shift",
1040 [(opnode GPR:$Rn, so_reg_imm:$shift)]> {
1045 let Inst{19-16} = Rn;
1046 let Inst{15-12} = 0b0000;
1047 let Inst{11-5} = shift{11-5};
1049 let Inst{3-0} = shift{3-0};
1051 def rsr : AI1<opcod, (outs),
1052 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm, iis,
1053 opc, "\t$Rn, $shift",
1054 [(opnode GPR:$Rn, so_reg_reg:$shift)]> {
1059 let Inst{19-16} = Rn;
1060 let Inst{15-12} = 0b0000;
1061 let Inst{11-8} = shift{11-8};
1063 let Inst{6-5} = shift{6-5};
1065 let Inst{3-0} = shift{3-0};
1071 /// AI_ext_rrot - A unary operation with two forms: one whose operand is a
1072 /// register and one whose operand is a register rotated by 8/16/24.
1073 /// FIXME: Remove the 'r' variant. Its rot_imm is zero.
1074 class AI_ext_rrot<bits<8> opcod, string opc, PatFrag opnode>
1075 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPRnopc:$Rm, rot_imm:$rot),
1076 IIC_iEXTr, opc, "\t$Rd, $Rm$rot",
1077 [(set GPRnopc:$Rd, (opnode (rotr GPRnopc:$Rm, rot_imm:$rot)))]>,
1078 Requires<[IsARM, HasV6]> {
1082 let Inst{19-16} = 0b1111;
1083 let Inst{15-12} = Rd;
1084 let Inst{11-10} = rot;
1088 class AI_ext_rrot_np<bits<8> opcod, string opc>
1089 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPRnopc:$Rm, rot_imm:$rot),
1090 IIC_iEXTr, opc, "\t$Rd, $Rm$rot", []>,
1091 Requires<[IsARM, HasV6]> {
1093 let Inst{19-16} = 0b1111;
1094 let Inst{11-10} = rot;
1097 /// AI_exta_rrot - A binary operation with two forms: one whose operand is a
1098 /// register and one whose operand is a register rotated by 8/16/24.
1099 class AI_exta_rrot<bits<8> opcod, string opc, PatFrag opnode>
1100 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPR:$Rn, GPRnopc:$Rm, rot_imm:$rot),
1101 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm$rot",
1102 [(set GPRnopc:$Rd, (opnode GPR:$Rn,
1103 (rotr GPRnopc:$Rm, rot_imm:$rot)))]>,
1104 Requires<[IsARM, HasV6]> {
1109 let Inst{19-16} = Rn;
1110 let Inst{15-12} = Rd;
1111 let Inst{11-10} = rot;
1112 let Inst{9-4} = 0b000111;
1116 class AI_exta_rrot_np<bits<8> opcod, string opc>
1117 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPR:$Rn, GPRnopc:$Rm, rot_imm:$rot),
1118 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm$rot", []>,
1119 Requires<[IsARM, HasV6]> {
1122 let Inst{19-16} = Rn;
1123 let Inst{11-10} = rot;
1126 /// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
1127 multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode,
1128 string baseOpc, bit Commutable = 0> {
1129 let Uses = [CPSR] in {
1130 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
1131 DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
1132 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>,
1138 let Inst{15-12} = Rd;
1139 let Inst{19-16} = Rn;
1140 let Inst{11-0} = imm;
1142 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
1143 DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
1144 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
1149 let Inst{11-4} = 0b00000000;
1151 let isCommutable = Commutable;
1153 let Inst{15-12} = Rd;
1154 let Inst{19-16} = Rn;
1156 def rsi : AsI1<opcod, (outs GPR:$Rd),
1157 (ins GPR:$Rn, so_reg_imm:$shift),
1158 DPSoRegImmFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1159 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_imm:$shift))]>,
1165 let Inst{19-16} = Rn;
1166 let Inst{15-12} = Rd;
1167 let Inst{11-5} = shift{11-5};
1169 let Inst{3-0} = shift{3-0};
1171 def rsr : AsI1<opcod, (outs GPR:$Rd),
1172 (ins GPR:$Rn, so_reg_reg:$shift),
1173 DPSoRegRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1174 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_reg:$shift))]>,
1180 let Inst{19-16} = Rn;
1181 let Inst{15-12} = Rd;
1182 let Inst{11-8} = shift{11-8};
1184 let Inst{6-5} = shift{6-5};
1186 let Inst{3-0} = shift{3-0};
1189 // Assembly aliases for optional destination operand when it's the same
1190 // as the source operand.
1191 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $imm"),
1192 (!cast<Instruction>(!strconcat(baseOpc, "ri")) GPR:$Rdn, GPR:$Rdn,
1193 so_imm:$imm, pred:$p,
1196 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $Rm"),
1197 (!cast<Instruction>(!strconcat(baseOpc, "rr")) GPR:$Rdn, GPR:$Rdn,
1201 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
1202 (!cast<Instruction>(!strconcat(baseOpc, "rsi")) GPR:$Rdn, GPR:$Rdn,
1203 so_reg_imm:$shift, pred:$p,
1206 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
1207 (!cast<Instruction>(!strconcat(baseOpc, "rsr")) GPR:$Rdn, GPR:$Rdn,
1208 so_reg_reg:$shift, pred:$p,
1213 // Carry setting variants
1214 // NOTE: CPSR def omitted because it will be handled by the custom inserter.
1215 let usesCustomInserter = 1 in {
1216 multiclass AI1_adde_sube_s_irs<PatFrag opnode, bit Commutable = 0> {
1217 def ri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
1219 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>;
1220 def rr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
1222 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
1223 let isCommutable = Commutable;
1225 def rsi : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg_imm:$shift),
1227 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_imm:$shift))]>;
1228 def rsr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg_reg:$shift),
1230 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_reg:$shift))]>;
1234 let canFoldAsLoad = 1, isReMaterializable = 1 in {
1235 multiclass AI_ldr1<bit isByte, string opc, InstrItinClass iii,
1236 InstrItinClass iir, PatFrag opnode> {
1237 // Note: We use the complex addrmode_imm12 rather than just an input
1238 // GPR and a constrained immediate so that we can use this to match
1239 // frame index references and avoid matching constant pool references.
1240 def i12: AI2ldst<0b010, 1, isByte, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
1241 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
1242 [(set GPR:$Rt, (opnode addrmode_imm12:$addr))]> {
1245 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1246 let Inst{19-16} = addr{16-13}; // Rn
1247 let Inst{15-12} = Rt;
1248 let Inst{11-0} = addr{11-0}; // imm12
1250 def rs : AI2ldst<0b011, 1, isByte, (outs GPR:$Rt), (ins ldst_so_reg:$shift),
1251 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
1252 [(set GPR:$Rt, (opnode ldst_so_reg:$shift))]> {
1255 let shift{4} = 0; // Inst{4} = 0
1256 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1257 let Inst{19-16} = shift{16-13}; // Rn
1258 let Inst{15-12} = Rt;
1259 let Inst{11-0} = shift{11-0};
1264 let canFoldAsLoad = 1, isReMaterializable = 1 in {
1265 multiclass AI_ldr1nopc<bit isByte, string opc, InstrItinClass iii,
1266 InstrItinClass iir, PatFrag opnode> {
1267 // Note: We use the complex addrmode_imm12 rather than just an input
1268 // GPR and a constrained immediate so that we can use this to match
1269 // frame index references and avoid matching constant pool references.
1270 def i12: AI2ldst<0b010, 1, isByte, (outs GPRnopc:$Rt), (ins addrmode_imm12:$addr),
1271 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
1272 [(set GPRnopc:$Rt, (opnode addrmode_imm12:$addr))]> {
1275 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1276 let Inst{19-16} = addr{16-13}; // Rn
1277 let Inst{15-12} = Rt;
1278 let Inst{11-0} = addr{11-0}; // imm12
1280 def rs : AI2ldst<0b011, 1, isByte, (outs GPRnopc:$Rt), (ins ldst_so_reg:$shift),
1281 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
1282 [(set GPRnopc:$Rt, (opnode ldst_so_reg:$shift))]> {
1285 let shift{4} = 0; // Inst{4} = 0
1286 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1287 let Inst{19-16} = shift{16-13}; // Rn
1288 let Inst{15-12} = Rt;
1289 let Inst{11-0} = shift{11-0};
1295 multiclass AI_str1<bit isByte, string opc, InstrItinClass iii,
1296 InstrItinClass iir, PatFrag opnode> {
1297 // Note: We use the complex addrmode_imm12 rather than just an input
1298 // GPR and a constrained immediate so that we can use this to match
1299 // frame index references and avoid matching constant pool references.
1300 def i12 : AI2ldst<0b010, 0, isByte, (outs),
1301 (ins GPR:$Rt, addrmode_imm12:$addr),
1302 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
1303 [(opnode GPR:$Rt, addrmode_imm12:$addr)]> {
1306 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1307 let Inst{19-16} = addr{16-13}; // Rn
1308 let Inst{15-12} = Rt;
1309 let Inst{11-0} = addr{11-0}; // imm12
1311 def rs : AI2ldst<0b011, 0, isByte, (outs), (ins GPR:$Rt, ldst_so_reg:$shift),
1312 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
1313 [(opnode GPR:$Rt, ldst_so_reg:$shift)]> {
1316 let shift{4} = 0; // Inst{4} = 0
1317 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1318 let Inst{19-16} = shift{16-13}; // Rn
1319 let Inst{15-12} = Rt;
1320 let Inst{11-0} = shift{11-0};
1324 multiclass AI_str1nopc<bit isByte, string opc, InstrItinClass iii,
1325 InstrItinClass iir, PatFrag opnode> {
1326 // Note: We use the complex addrmode_imm12 rather than just an input
1327 // GPR and a constrained immediate so that we can use this to match
1328 // frame index references and avoid matching constant pool references.
1329 def i12 : AI2ldst<0b010, 0, isByte, (outs),
1330 (ins GPRnopc:$Rt, addrmode_imm12:$addr),
1331 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
1332 [(opnode GPRnopc:$Rt, addrmode_imm12:$addr)]> {
1335 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1336 let Inst{19-16} = addr{16-13}; // Rn
1337 let Inst{15-12} = Rt;
1338 let Inst{11-0} = addr{11-0}; // imm12
1340 def rs : AI2ldst<0b011, 0, isByte, (outs), (ins GPRnopc:$Rt, ldst_so_reg:$shift),
1341 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
1342 [(opnode GPRnopc:$Rt, ldst_so_reg:$shift)]> {
1345 let shift{4} = 0; // Inst{4} = 0
1346 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1347 let Inst{19-16} = shift{16-13}; // Rn
1348 let Inst{15-12} = Rt;
1349 let Inst{11-0} = shift{11-0};
1354 //===----------------------------------------------------------------------===//
1356 //===----------------------------------------------------------------------===//
1358 //===----------------------------------------------------------------------===//
1359 // Miscellaneous Instructions.
1362 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
1363 /// the function. The first operand is the ID# for this instruction, the second
1364 /// is the index into the MachineConstantPool that this is, the third is the
1365 /// size in bytes of this constant pool entry.
1366 let neverHasSideEffects = 1, isNotDuplicable = 1 in
1367 def CONSTPOOL_ENTRY :
1368 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
1369 i32imm:$size), NoItinerary, []>;
1371 // FIXME: Marking these as hasSideEffects is necessary to prevent machine DCE
1372 // from removing one half of the matched pairs. That breaks PEI, which assumes
1373 // these will always be in pairs, and asserts if it finds otherwise. Better way?
1374 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
1375 def ADJCALLSTACKUP :
1376 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary,
1377 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
1379 def ADJCALLSTACKDOWN :
1380 PseudoInst<(outs), (ins i32imm:$amt, pred:$p), NoItinerary,
1381 [(ARMcallseq_start timm:$amt)]>;
1384 def NOP : AI<(outs), (ins), MiscFrm, NoItinerary, "nop", "", []>,
1385 Requires<[IsARM, HasV6T2]> {
1386 let Inst{27-16} = 0b001100100000;
1387 let Inst{15-8} = 0b11110000;
1388 let Inst{7-0} = 0b00000000;
1391 def YIELD : AI<(outs), (ins), MiscFrm, NoItinerary, "yield", "", []>,
1392 Requires<[IsARM, HasV6T2]> {
1393 let Inst{27-16} = 0b001100100000;
1394 let Inst{15-8} = 0b11110000;
1395 let Inst{7-0} = 0b00000001;
1398 def WFE : AI<(outs), (ins), MiscFrm, NoItinerary, "wfe", "", []>,
1399 Requires<[IsARM, HasV6T2]> {
1400 let Inst{27-16} = 0b001100100000;
1401 let Inst{15-8} = 0b11110000;
1402 let Inst{7-0} = 0b00000010;
1405 def WFI : AI<(outs), (ins), MiscFrm, NoItinerary, "wfi", "", []>,
1406 Requires<[IsARM, HasV6T2]> {
1407 let Inst{27-16} = 0b001100100000;
1408 let Inst{15-8} = 0b11110000;
1409 let Inst{7-0} = 0b00000011;
1412 def SEL : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm, NoItinerary, "sel",
1413 "\t$Rd, $Rn, $Rm", []>, Requires<[IsARM, HasV6]> {
1418 let Inst{15-12} = Rd;
1419 let Inst{19-16} = Rn;
1420 let Inst{27-20} = 0b01101000;
1421 let Inst{7-4} = 0b1011;
1422 let Inst{11-8} = 0b1111;
1425 def SEV : AI<(outs), (ins), MiscFrm, NoItinerary, "sev", "",
1426 []>, Requires<[IsARM, HasV6T2]> {
1427 let Inst{27-16} = 0b001100100000;
1428 let Inst{15-8} = 0b11110000;
1429 let Inst{7-0} = 0b00000100;
1432 // The i32imm operand $val can be used by a debugger to store more information
1433 // about the breakpoint.
1434 def BKPT : AI<(outs), (ins imm0_65535:$val), MiscFrm, NoItinerary,
1435 "bkpt", "\t$val", []>, Requires<[IsARM]> {
1437 let Inst{3-0} = val{3-0};
1438 let Inst{19-8} = val{15-4};
1439 let Inst{27-20} = 0b00010010;
1440 let Inst{7-4} = 0b0111;
1443 // Change Processor State
1444 // FIXME: We should use InstAlias to handle the optional operands.
1445 class CPS<dag iops, string asm_ops>
1446 : AXI<(outs), iops, MiscFrm, NoItinerary, !strconcat("cps", asm_ops),
1447 []>, Requires<[IsARM]> {
1453 let Inst{31-28} = 0b1111;
1454 let Inst{27-20} = 0b00010000;
1455 let Inst{19-18} = imod;
1456 let Inst{17} = M; // Enabled if mode is set;
1458 let Inst{8-6} = iflags;
1460 let Inst{4-0} = mode;
1463 let DecoderMethod = "DecodeCPSInstruction" in {
1465 def CPS3p : CPS<(ins imod_op:$imod, iflags_op:$iflags, imm0_31:$mode),
1466 "$imod\t$iflags, $mode">;
1467 let mode = 0, M = 0 in
1468 def CPS2p : CPS<(ins imod_op:$imod, iflags_op:$iflags), "$imod\t$iflags">;
1470 let imod = 0, iflags = 0, M = 1 in
1471 def CPS1p : CPS<(ins imm0_31:$mode), "\t$mode">;
1474 // Preload signals the memory system of possible future data/instruction access.
1475 multiclass APreLoad<bits<1> read, bits<1> data, string opc> {
1477 def i12 : AXI<(outs), (ins addrmode_imm12:$addr), MiscFrm, IIC_Preload,
1478 !strconcat(opc, "\t$addr"),
1479 [(ARMPreload addrmode_imm12:$addr, (i32 read), (i32 data))]> {
1482 let Inst{31-26} = 0b111101;
1483 let Inst{25} = 0; // 0 for immediate form
1484 let Inst{24} = data;
1485 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1486 let Inst{22} = read;
1487 let Inst{21-20} = 0b01;
1488 let Inst{19-16} = addr{16-13}; // Rn
1489 let Inst{15-12} = 0b1111;
1490 let Inst{11-0} = addr{11-0}; // imm12
1493 def rs : AXI<(outs), (ins ldst_so_reg:$shift), MiscFrm, IIC_Preload,
1494 !strconcat(opc, "\t$shift"),
1495 [(ARMPreload ldst_so_reg:$shift, (i32 read), (i32 data))]> {
1497 let Inst{31-26} = 0b111101;
1498 let Inst{25} = 1; // 1 for register form
1499 let Inst{24} = data;
1500 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1501 let Inst{22} = read;
1502 let Inst{21-20} = 0b01;
1503 let Inst{19-16} = shift{16-13}; // Rn
1504 let Inst{15-12} = 0b1111;
1505 let Inst{11-0} = shift{11-0};
1509 defm PLD : APreLoad<1, 1, "pld">, Requires<[IsARM]>;
1510 defm PLDW : APreLoad<0, 1, "pldw">, Requires<[IsARM,HasV7,HasMP]>;
1511 defm PLI : APreLoad<1, 0, "pli">, Requires<[IsARM,HasV7]>;
1513 def SETEND : AXI<(outs), (ins setend_op:$end), MiscFrm, NoItinerary,
1514 "setend\t$end", []>, Requires<[IsARM]> {
1516 let Inst{31-10} = 0b1111000100000001000000;
1521 def DBG : AI<(outs), (ins imm0_15:$opt), MiscFrm, NoItinerary, "dbg", "\t$opt",
1522 []>, Requires<[IsARM, HasV7]> {
1524 let Inst{27-4} = 0b001100100000111100001111;
1525 let Inst{3-0} = opt;
1528 // A5.4 Permanently UNDEFINED instructions.
1529 let isBarrier = 1, isTerminator = 1 in
1530 def TRAP : AXI<(outs), (ins), MiscFrm, NoItinerary,
1533 let Inst = 0xe7ffdefe;
1536 // Address computation and loads and stores in PIC mode.
1537 let isNotDuplicable = 1 in {
1538 def PICADD : ARMPseudoInst<(outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
1540 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
1542 let AddedComplexity = 10 in {
1543 def PICLDR : ARMPseudoInst<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
1545 [(set GPR:$dst, (load addrmodepc:$addr))]>;
1547 def PICLDRH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1549 [(set GPR:$Rt, (zextloadi16 addrmodepc:$addr))]>;
1551 def PICLDRB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1553 [(set GPR:$Rt, (zextloadi8 addrmodepc:$addr))]>;
1555 def PICLDRSH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1557 [(set GPR:$Rt, (sextloadi16 addrmodepc:$addr))]>;
1559 def PICLDRSB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1561 [(set GPR:$Rt, (sextloadi8 addrmodepc:$addr))]>;
1563 let AddedComplexity = 10 in {
1564 def PICSTR : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1565 4, IIC_iStore_r, [(store GPR:$src, addrmodepc:$addr)]>;
1567 def PICSTRH : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1568 4, IIC_iStore_bh_r, [(truncstorei16 GPR:$src,
1569 addrmodepc:$addr)]>;
1571 def PICSTRB : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1572 4, IIC_iStore_bh_r, [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
1574 } // isNotDuplicable = 1
1577 // LEApcrel - Load a pc-relative address into a register without offending the
1579 let neverHasSideEffects = 1, isReMaterializable = 1 in
1580 // The 'adr' mnemonic encodes differently if the label is before or after
1581 // the instruction. The {24-21} opcode bits are set by the fixup, as we don't
1582 // know until then which form of the instruction will be used.
1583 def ADR : AI1<{0,?,?,0}, (outs GPR:$Rd), (ins adrlabel:$label),
1584 MiscFrm, IIC_iALUi, "adr", "\t$Rd, $label", []> {
1587 let Inst{27-25} = 0b001;
1589 let Inst{19-16} = 0b1111;
1590 let Inst{15-12} = Rd;
1591 let Inst{11-0} = label;
1593 def LEApcrel : ARMPseudoInst<(outs GPR:$Rd), (ins i32imm:$label, pred:$p),
1596 def LEApcrelJT : ARMPseudoInst<(outs GPR:$Rd),
1597 (ins i32imm:$label, nohash_imm:$id, pred:$p),
1600 //===----------------------------------------------------------------------===//
1601 // Control Flow Instructions.
1604 let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
1606 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1607 "bx", "\tlr", [(ARMretflag)]>,
1608 Requires<[IsARM, HasV4T]> {
1609 let Inst{27-0} = 0b0001001011111111111100011110;
1613 def MOVPCLR : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1614 "mov", "\tpc, lr", [(ARMretflag)]>,
1615 Requires<[IsARM, NoV4T]> {
1616 let Inst{27-0} = 0b0001101000001111000000001110;
1620 // Indirect branches
1621 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
1623 def BX : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
1624 [(brind GPR:$dst)]>,
1625 Requires<[IsARM, HasV4T]> {
1627 let Inst{31-4} = 0b1110000100101111111111110001;
1628 let Inst{3-0} = dst;
1631 def BX_pred : AI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br,
1632 "bx", "\t$dst", [/* pattern left blank */]>,
1633 Requires<[IsARM, HasV4T]> {
1635 let Inst{27-4} = 0b000100101111111111110001;
1636 let Inst{3-0} = dst;
1640 // All calls clobber the non-callee saved registers. SP is marked as
1641 // a use to prevent stack-pointer assignments that appear immediately
1642 // before calls from potentially appearing dead.
1644 // On non-Darwin platforms R9 is callee-saved.
1645 // FIXME: Do we really need a non-predicated version? If so, it should
1646 // at least be a pseudo instruction expanding to the predicated version
1647 // at MC lowering time.
1648 Defs = [R0, R1, R2, R3, R12, LR, QQQQ0, QQQQ2, QQQQ3, CPSR, FPSCR],
1650 def BL : ABXI<0b1011, (outs), (ins bl_target:$func, variable_ops),
1651 IIC_Br, "bl\t$func",
1652 [(ARMcall tglobaladdr:$func)]>,
1653 Requires<[IsARM, IsNotDarwin]> {
1654 let Inst{31-28} = 0b1110;
1656 let Inst{23-0} = func;
1659 def BL_pred : ABI<0b1011, (outs), (ins bl_target:$func, variable_ops),
1660 IIC_Br, "bl", "\t$func",
1661 [(ARMcall_pred tglobaladdr:$func)]>,
1662 Requires<[IsARM, IsNotDarwin]> {
1664 let Inst{23-0} = func;
1668 def BLX : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1669 IIC_Br, "blx\t$func",
1670 [(ARMcall GPR:$func)]>,
1671 Requires<[IsARM, HasV5T, IsNotDarwin]> {
1673 let Inst{31-4} = 0b1110000100101111111111110011;
1674 let Inst{3-0} = func;
1677 def BLX_pred : AI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1678 IIC_Br, "blx", "\t$func",
1679 [(ARMcall_pred GPR:$func)]>,
1680 Requires<[IsARM, HasV5T, IsNotDarwin]> {
1682 let Inst{27-4} = 0b000100101111111111110011;
1683 let Inst{3-0} = func;
1687 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1688 def BX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1689 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1690 Requires<[IsARM, HasV4T, IsNotDarwin]>;
1693 def BMOVPCRX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1694 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1695 Requires<[IsARM, NoV4T, IsNotDarwin]>;
1699 // On Darwin R9 is call-clobbered.
1700 // R7 is marked as a use to prevent frame-pointer assignments from being
1701 // moved above / below calls.
1702 Defs = [R0, R1, R2, R3, R9, R12, LR, QQQQ0, QQQQ2, QQQQ3, CPSR, FPSCR],
1703 Uses = [R7, SP] in {
1704 def BLr9 : ARMPseudoExpand<(outs), (ins bl_target:$func, variable_ops),
1706 [(ARMcall tglobaladdr:$func)], (BL bl_target:$func)>,
1707 Requires<[IsARM, IsDarwin]>;
1709 def BLr9_pred : ARMPseudoExpand<(outs),
1710 (ins bl_target:$func, pred:$p, variable_ops),
1712 [(ARMcall_pred tglobaladdr:$func)],
1713 (BL_pred bl_target:$func, pred:$p)>,
1714 Requires<[IsARM, IsDarwin]>;
1717 def BLXr9 : ARMPseudoExpand<(outs), (ins GPR:$func, variable_ops),
1719 [(ARMcall GPR:$func)],
1721 Requires<[IsARM, HasV5T, IsDarwin]>;
1723 def BLXr9_pred: ARMPseudoExpand<(outs), (ins GPR:$func, pred:$p,variable_ops),
1725 [(ARMcall_pred GPR:$func)],
1726 (BLX_pred GPR:$func, pred:$p)>,
1727 Requires<[IsARM, HasV5T, IsDarwin]>;
1730 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1731 def BXr9_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1732 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1733 Requires<[IsARM, HasV4T, IsDarwin]>;
1736 def BMOVPCRXr9_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1737 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1738 Requires<[IsARM, NoV4T, IsDarwin]>;
1741 let isBranch = 1, isTerminator = 1 in {
1742 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
1743 // a two-value operand where a dag node expects two operands. :(
1744 def Bcc : ABI<0b1010, (outs), (ins br_target:$target),
1745 IIC_Br, "b", "\t$target",
1746 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]> {
1748 let Inst{23-0} = target;
1749 let DecoderMethod = "DecodeBranchImmInstruction";
1752 let isBarrier = 1 in {
1753 // B is "predicable" since it's just a Bcc with an 'always' condition.
1754 let isPredicable = 1 in
1755 // FIXME: We shouldn't need this pseudo at all. Just using Bcc directly
1756 // should be sufficient.
1757 // FIXME: Is B really a Barrier? That doesn't seem right.
1758 def B : ARMPseudoExpand<(outs), (ins br_target:$target), 4, IIC_Br,
1759 [(br bb:$target)], (Bcc br_target:$target, (ops 14, zero_reg))>;
1761 let isNotDuplicable = 1, isIndirectBranch = 1 in {
1762 def BR_JTr : ARMPseudoInst<(outs),
1763 (ins GPR:$target, i32imm:$jt, i32imm:$id),
1765 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]>;
1766 // FIXME: This shouldn't use the generic "addrmode2," but rather be split
1767 // into i12 and rs suffixed versions.
1768 def BR_JTm : ARMPseudoInst<(outs),
1769 (ins addrmode2:$target, i32imm:$jt, i32imm:$id),
1771 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
1773 def BR_JTadd : ARMPseudoInst<(outs),
1774 (ins GPR:$target, GPR:$idx, i32imm:$jt, i32imm:$id),
1776 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
1778 } // isNotDuplicable = 1, isIndirectBranch = 1
1784 def BLXi : AXI<(outs), (ins br_target:$target), BrMiscFrm, NoItinerary,
1785 "blx\t$target", []>,
1786 Requires<[IsARM, HasV5T]> {
1787 let Inst{31-25} = 0b1111101;
1789 let Inst{23-0} = target{24-1};
1790 let Inst{24} = target{0};
1793 // Branch and Exchange Jazelle
1794 def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
1795 [/* pattern left blank */]> {
1797 let Inst{23-20} = 0b0010;
1798 let Inst{19-8} = 0xfff;
1799 let Inst{7-4} = 0b0010;
1800 let Inst{3-0} = func;
1805 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in {
1807 let Defs = [R0, R1, R2, R3, R9, R12, QQQQ0, QQQQ2, QQQQ3, PC],
1809 def TCRETURNdi : PseudoInst<(outs), (ins i32imm:$dst, variable_ops),
1810 IIC_Br, []>, Requires<[IsDarwin]>;
1812 def TCRETURNri : PseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
1813 IIC_Br, []>, Requires<[IsDarwin]>;
1815 def TAILJMPd : ARMPseudoExpand<(outs), (ins br_target:$dst, variable_ops),
1817 (Bcc br_target:$dst, (ops 14, zero_reg))>,
1818 Requires<[IsARM, IsDarwin]>;
1820 def TAILJMPr : ARMPseudoExpand<(outs), (ins tcGPR:$dst, variable_ops),
1823 Requires<[IsARM, IsDarwin]>;
1827 // Non-Darwin versions (the difference is R9).
1828 let Defs = [R0, R1, R2, R3, R12, QQQQ0, QQQQ2, QQQQ3, PC],
1830 def TCRETURNdiND : PseudoInst<(outs), (ins i32imm:$dst, variable_ops),
1831 IIC_Br, []>, Requires<[IsNotDarwin]>;
1833 def TCRETURNriND : PseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
1834 IIC_Br, []>, Requires<[IsNotDarwin]>;
1836 def TAILJMPdND : ARMPseudoExpand<(outs), (ins brtarget:$dst, variable_ops),
1838 (Bcc br_target:$dst, (ops 14, zero_reg))>,
1839 Requires<[IsARM, IsNotDarwin]>;
1841 def TAILJMPrND : ARMPseudoExpand<(outs), (ins tcGPR:$dst, variable_ops),
1844 Requires<[IsARM, IsNotDarwin]>;
1848 // Secure Monitor Call is a system instruction.
1849 def SMC : ABI<0b0001, (outs), (ins imm0_15:$opt), NoItinerary, "smc", "\t$opt",
1852 let Inst{23-4} = 0b01100000000000000111;
1853 let Inst{3-0} = opt;
1856 // Supervisor Call (Software Interrupt)
1857 let isCall = 1, Uses = [SP] in {
1858 def SVC : ABI<0b1111, (outs), (ins imm24b:$svc), IIC_Br, "svc", "\t$svc", []> {
1860 let Inst{23-0} = svc;
1864 // Store Return State
1865 class SRSI<bit wb, string asm>
1866 : XI<(outs), (ins imm0_31:$mode), AddrModeNone, 4, IndexModeNone, BrFrm,
1867 NoItinerary, asm, "", []> {
1869 let Inst{31-28} = 0b1111;
1870 let Inst{27-25} = 0b100;
1874 let Inst{19-16} = 0b1101; // SP
1875 let Inst{15-5} = 0b00000101000;
1876 let Inst{4-0} = mode;
1879 def SRSDA : SRSI<0, "srsda\tsp, $mode"> {
1880 let Inst{24-23} = 0;
1882 def SRSDA_UPD : SRSI<1, "srsda\tsp!, $mode"> {
1883 let Inst{24-23} = 0;
1885 def SRSDB : SRSI<0, "srsdb\tsp, $mode"> {
1886 let Inst{24-23} = 0b10;
1888 def SRSDB_UPD : SRSI<1, "srsdb\tsp!, $mode"> {
1889 let Inst{24-23} = 0b10;
1891 def SRSIA : SRSI<0, "srsia\tsp, $mode"> {
1892 let Inst{24-23} = 0b01;
1894 def SRSIA_UPD : SRSI<1, "srsia\tsp!, $mode"> {
1895 let Inst{24-23} = 0b01;
1897 def SRSIB : SRSI<0, "srsib\tsp, $mode"> {
1898 let Inst{24-23} = 0b11;
1900 def SRSIB_UPD : SRSI<1, "srsib\tsp!, $mode"> {
1901 let Inst{24-23} = 0b11;
1904 // Return From Exception
1905 class RFEI<bit wb, string asm>
1906 : XI<(outs), (ins GPR:$Rn), AddrModeNone, 4, IndexModeNone, BrFrm,
1907 NoItinerary, asm, "", []> {
1909 let Inst{31-28} = 0b1111;
1910 let Inst{27-25} = 0b100;
1914 let Inst{19-16} = Rn;
1915 let Inst{15-0} = 0xa00;
1918 def RFEDA : RFEI<0, "rfeda\t$Rn"> {
1919 let Inst{24-23} = 0;
1921 def RFEDA_UPD : RFEI<1, "rfeda\t$Rn!"> {
1922 let Inst{24-23} = 0;
1924 def RFEDB : RFEI<0, "rfedb\t$Rn"> {
1925 let Inst{24-23} = 0b10;
1927 def RFEDB_UPD : RFEI<1, "rfedb\t$Rn!"> {
1928 let Inst{24-23} = 0b10;
1930 def RFEIA : RFEI<0, "rfeia\t$Rn"> {
1931 let Inst{24-23} = 0b01;
1933 def RFEIA_UPD : RFEI<1, "rfeia\t$Rn!"> {
1934 let Inst{24-23} = 0b01;
1936 def RFEIB : RFEI<0, "rfeib\t$Rn"> {
1937 let Inst{24-23} = 0b11;
1939 def RFEIB_UPD : RFEI<1, "rfeib\t$Rn!"> {
1940 let Inst{24-23} = 0b11;
1943 //===----------------------------------------------------------------------===//
1944 // Load / store Instructions.
1950 defm LDR : AI_ldr1<0, "ldr", IIC_iLoad_r, IIC_iLoad_si,
1951 UnOpFrag<(load node:$Src)>>;
1952 defm LDRB : AI_ldr1nopc<1, "ldrb", IIC_iLoad_bh_r, IIC_iLoad_bh_si,
1953 UnOpFrag<(zextloadi8 node:$Src)>>;
1954 defm STR : AI_str1<0, "str", IIC_iStore_r, IIC_iStore_si,
1955 BinOpFrag<(store node:$LHS, node:$RHS)>>;
1956 defm STRB : AI_str1nopc<1, "strb", IIC_iStore_bh_r, IIC_iStore_bh_si,
1957 BinOpFrag<(truncstorei8 node:$LHS, node:$RHS)>>;
1959 // Special LDR for loads from non-pc-relative constpools.
1960 let canFoldAsLoad = 1, mayLoad = 1, neverHasSideEffects = 1,
1961 isReMaterializable = 1, isCodeGenOnly = 1 in
1962 def LDRcp : AI2ldst<0b010, 1, 0, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
1963 AddrMode_i12, LdFrm, IIC_iLoad_r, "ldr", "\t$Rt, $addr",
1967 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1968 let Inst{19-16} = 0b1111;
1969 let Inst{15-12} = Rt;
1970 let Inst{11-0} = addr{11-0}; // imm12
1973 // Loads with zero extension
1974 def LDRH : AI3ld<0b1011, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1975 IIC_iLoad_bh_r, "ldrh", "\t$Rt, $addr",
1976 [(set GPR:$Rt, (zextloadi16 addrmode3:$addr))]>;
1978 // Loads with sign extension
1979 def LDRSH : AI3ld<0b1111, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1980 IIC_iLoad_bh_r, "ldrsh", "\t$Rt, $addr",
1981 [(set GPR:$Rt, (sextloadi16 addrmode3:$addr))]>;
1983 def LDRSB : AI3ld<0b1101, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1984 IIC_iLoad_bh_r, "ldrsb", "\t$Rt, $addr",
1985 [(set GPR:$Rt, (sextloadi8 addrmode3:$addr))]>;
1987 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1 in {
1989 def LDRD : AI3ld<0b1101, 0, (outs GPR:$Rd, GPR:$dst2),
1990 (ins addrmode3:$addr), LdMiscFrm,
1991 IIC_iLoad_d_r, "ldrd", "\t$Rd, $dst2, $addr",
1992 []>, Requires<[IsARM, HasV5TE]>;
1996 multiclass AI2_ldridx<bit isByte, string opc, InstrItinClass itin> {
1997 def _PRE : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb),
1998 (ins addrmode2:$addr), IndexModePre, LdFrm, itin,
1999 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2005 let Inst{25} = addr{13};
2006 let Inst{23} = addr{12};
2007 let Inst{19-16} = addr{17-14};
2008 let Inst{11-0} = addr{11-0};
2009 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2010 let AsmMatchConverter = "cvtLdWriteBackRegAddrMode2";
2013 def _POST_REG : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2014 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2015 IndexModePost, LdFrm, itin,
2016 opc, "\t$Rt, $addr, $offset",
2017 "$addr.base = $Rn_wb", []> {
2023 let Inst{23} = offset{12};
2024 let Inst{19-16} = addr;
2025 let Inst{11-0} = offset{11-0};
2027 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2030 def _POST_IMM : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2031 (ins addr_offset_none:$addr, am2offset_imm:$offset),
2032 IndexModePost, LdFrm, itin,
2033 opc, "\t$Rt, $addr, $offset",
2034 "$addr.base = $Rn_wb", []> {
2040 let Inst{23} = offset{12};
2041 let Inst{19-16} = addr;
2042 let Inst{11-0} = offset{11-0};
2044 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2049 let mayLoad = 1, neverHasSideEffects = 1 in {
2050 defm LDR : AI2_ldridx<0, "ldr", IIC_iLoad_ru>;
2051 defm LDRB : AI2_ldridx<1, "ldrb", IIC_iLoad_bh_ru>;
2054 multiclass AI3_ldridx<bits<4> op, string opc, InstrItinClass itin> {
2055 def _PRE : AI3ldstidx<op, 1, 1, (outs GPR:$Rt, GPR:$Rn_wb),
2056 (ins addrmode3:$addr), IndexModePre,
2058 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2060 let Inst{23} = addr{8}; // U bit
2061 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2062 let Inst{19-16} = addr{12-9}; // Rn
2063 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2064 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2065 let AsmMatchConverter = "cvtLdWriteBackRegAddrMode3";
2066 let DecoderMethod = "DecodeAddrMode3Instruction";
2068 def _POST : AI3ldstidx<op, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2069 (ins addr_offset_none:$addr, am3offset:$offset),
2070 IndexModePost, LdMiscFrm, itin,
2071 opc, "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb",
2075 let Inst{23} = offset{8}; // U bit
2076 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2077 let Inst{19-16} = addr;
2078 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2079 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2080 let DecoderMethod = "DecodeAddrMode3Instruction";
2084 let mayLoad = 1, neverHasSideEffects = 1 in {
2085 defm LDRH : AI3_ldridx<0b1011, "ldrh", IIC_iLoad_bh_ru>;
2086 defm LDRSH : AI3_ldridx<0b1111, "ldrsh", IIC_iLoad_bh_ru>;
2087 defm LDRSB : AI3_ldridx<0b1101, "ldrsb", IIC_iLoad_bh_ru>;
2088 let hasExtraDefRegAllocReq = 1 in {
2089 def LDRD_PRE : AI3ldstidx<0b1101, 0, 1, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
2090 (ins addrmode3:$addr), IndexModePre,
2091 LdMiscFrm, IIC_iLoad_d_ru,
2092 "ldrd", "\t$Rt, $Rt2, $addr!",
2093 "$addr.base = $Rn_wb", []> {
2095 let Inst{23} = addr{8}; // U bit
2096 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2097 let Inst{19-16} = addr{12-9}; // Rn
2098 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2099 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2100 let DecoderMethod = "DecodeAddrMode3Instruction";
2101 let AsmMatchConverter = "cvtLdrdPre";
2103 def LDRD_POST: AI3ldstidx<0b1101, 0, 0, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
2104 (ins addr_offset_none:$addr, am3offset:$offset),
2105 IndexModePost, LdMiscFrm, IIC_iLoad_d_ru,
2106 "ldrd", "\t$Rt, $Rt2, $addr, $offset",
2107 "$addr.base = $Rn_wb", []> {
2110 let Inst{23} = offset{8}; // U bit
2111 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2112 let Inst{19-16} = addr;
2113 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2114 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2115 let DecoderMethod = "DecodeAddrMode3Instruction";
2117 } // hasExtraDefRegAllocReq = 1
2118 } // mayLoad = 1, neverHasSideEffects = 1
2120 // LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT.
2121 let mayLoad = 1, neverHasSideEffects = 1 in {
2122 def LDRT_POST_REG : AI2ldstidx<1, 0, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2123 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2124 IndexModePost, LdFrm, IIC_iLoad_ru,
2125 "ldrt", "\t$Rt, $addr, $offset",
2126 "$addr.base = $Rn_wb", []> {
2132 let Inst{23} = offset{12};
2133 let Inst{21} = 1; // overwrite
2134 let Inst{19-16} = addr;
2135 let Inst{11-5} = offset{11-5};
2137 let Inst{3-0} = offset{3-0};
2138 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2141 def LDRT_POST_IMM : AI2ldstidx<1, 0, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2142 (ins addr_offset_none:$addr, am2offset_imm:$offset),
2143 IndexModePost, LdFrm, IIC_iLoad_ru,
2144 "ldrt", "\t$Rt, $addr, $offset",
2145 "$addr.base = $Rn_wb", []> {
2151 let Inst{23} = offset{12};
2152 let Inst{21} = 1; // overwrite
2153 let Inst{19-16} = addr;
2154 let Inst{11-0} = offset{11-0};
2155 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2158 def LDRBT_POST_REG : AI2ldstidx<1, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2159 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2160 IndexModePost, LdFrm, IIC_iLoad_bh_ru,
2161 "ldrbt", "\t$Rt, $addr, $offset",
2162 "$addr.base = $Rn_wb", []> {
2168 let Inst{23} = offset{12};
2169 let Inst{21} = 1; // overwrite
2170 let Inst{19-16} = addr;
2171 let Inst{11-5} = offset{11-5};
2173 let Inst{3-0} = offset{3-0};
2174 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2177 def LDRBT_POST_IMM : AI2ldstidx<1, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2178 (ins addr_offset_none:$addr, am2offset_imm:$offset),
2179 IndexModePost, LdFrm, IIC_iLoad_bh_ru,
2180 "ldrbt", "\t$Rt, $addr, $offset",
2181 "$addr.base = $Rn_wb", []> {
2187 let Inst{23} = offset{12};
2188 let Inst{21} = 1; // overwrite
2189 let Inst{19-16} = addr;
2190 let Inst{11-0} = offset{11-0};
2191 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2194 multiclass AI3ldrT<bits<4> op, string opc> {
2195 def i : AI3ldstidxT<op, 1, (outs GPR:$Rt, GPR:$base_wb),
2196 (ins addr_offset_none:$addr, postidx_imm8:$offset),
2197 IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru, opc,
2198 "\t$Rt, $addr, $offset", "$addr.base = $base_wb", []> {
2200 let Inst{23} = offset{8};
2202 let Inst{11-8} = offset{7-4};
2203 let Inst{3-0} = offset{3-0};
2204 let AsmMatchConverter = "cvtLdExtTWriteBackImm";
2206 def r : AI3ldstidxT<op, 1, (outs GPR:$Rt, GPR:$base_wb),
2207 (ins addr_offset_none:$addr, postidx_reg:$Rm),
2208 IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru, opc,
2209 "\t$Rt, $addr, $Rm", "$addr.base = $base_wb", []> {
2211 let Inst{23} = Rm{4};
2214 let Inst{3-0} = Rm{3-0};
2215 let AsmMatchConverter = "cvtLdExtTWriteBackReg";
2219 defm LDRSBT : AI3ldrT<0b1101, "ldrsbt">;
2220 defm LDRHT : AI3ldrT<0b1011, "ldrht">;
2221 defm LDRSHT : AI3ldrT<0b1111, "ldrsht">;
2226 // Stores with truncate
2227 def STRH : AI3str<0b1011, (outs), (ins GPR:$Rt, addrmode3:$addr), StMiscFrm,
2228 IIC_iStore_bh_r, "strh", "\t$Rt, $addr",
2229 [(truncstorei16 GPR:$Rt, addrmode3:$addr)]>;
2232 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in
2233 def STRD : AI3str<0b1111, (outs), (ins GPR:$Rt, GPR:$src2, addrmode3:$addr),
2234 StMiscFrm, IIC_iStore_d_r,
2235 "strd", "\t$Rt, $src2, $addr", []>,
2236 Requires<[IsARM, HasV5TE]> {
2241 multiclass AI2_stridx<bit isByte, string opc, InstrItinClass itin> {
2242 def _PRE_IMM : AI2ldstidx<0, isByte, 1, (outs GPR:$Rn_wb),
2243 (ins GPR:$Rt, addrmode_imm12:$addr), IndexModePre,
2245 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2248 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2249 let Inst{19-16} = addr{16-13}; // Rn
2250 let Inst{11-0} = addr{11-0}; // imm12
2251 let AsmMatchConverter = "cvtStWriteBackRegAddrModeImm12";
2252 let DecoderMethod = "DecodeSTRPreImm";
2255 def _PRE_REG : AI2ldstidx<0, isByte, 1, (outs GPR:$Rn_wb),
2256 (ins GPR:$Rt, ldst_so_reg:$addr),
2257 IndexModePre, StFrm, itin,
2258 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2261 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2262 let Inst{19-16} = addr{16-13}; // Rn
2263 let Inst{11-0} = addr{11-0};
2264 let Inst{4} = 0; // Inst{4} = 0
2265 let AsmMatchConverter = "cvtStWriteBackRegAddrMode2";
2266 let DecoderMethod = "DecodeSTRPreReg";
2268 def _POST_REG : AI2ldstidx<0, isByte, 0, (outs GPR:$Rn_wb),
2269 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_reg:$offset),
2270 IndexModePost, StFrm, itin,
2271 opc, "\t$Rt, $addr, $offset",
2272 "$addr.base = $Rn_wb", []> {
2278 let Inst{23} = offset{12};
2279 let Inst{19-16} = addr;
2280 let Inst{11-0} = offset{11-0};
2282 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2285 def _POST_IMM : AI2ldstidx<0, isByte, 0, (outs GPR:$Rn_wb),
2286 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_imm:$offset),
2287 IndexModePost, StFrm, itin,
2288 opc, "\t$Rt, $addr, $offset",
2289 "$addr.base = $Rn_wb", []> {
2295 let Inst{23} = offset{12};
2296 let Inst{19-16} = addr;
2297 let Inst{11-0} = offset{11-0};
2299 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2303 let mayStore = 1, neverHasSideEffects = 1 in {
2304 defm STR : AI2_stridx<0, "str", IIC_iStore_ru>;
2305 defm STRB : AI2_stridx<1, "strb", IIC_iStore_bh_ru>;
2308 def : ARMPat<(post_store GPR:$Rt, addr_offset_none:$addr,
2309 am2offset_reg:$offset),
2310 (STR_POST_REG GPR:$Rt, addr_offset_none:$addr,
2311 am2offset_reg:$offset)>;
2312 def : ARMPat<(post_store GPR:$Rt, addr_offset_none:$addr,
2313 am2offset_imm:$offset),
2314 (STR_POST_IMM GPR:$Rt, addr_offset_none:$addr,
2315 am2offset_imm:$offset)>;
2316 def : ARMPat<(post_truncsti8 GPR:$Rt, addr_offset_none:$addr,
2317 am2offset_reg:$offset),
2318 (STRB_POST_REG GPR:$Rt, addr_offset_none:$addr,
2319 am2offset_reg:$offset)>;
2320 def : ARMPat<(post_truncsti8 GPR:$Rt, addr_offset_none:$addr,
2321 am2offset_imm:$offset),
2322 (STRB_POST_IMM GPR:$Rt, addr_offset_none:$addr,
2323 am2offset_imm:$offset)>;
2325 // Pseudo-instructions for pattern matching the pre-indexed stores. We can't
2326 // put the patterns on the instruction definitions directly as ISel wants
2327 // the address base and offset to be separate operands, not a single
2328 // complex operand like we represent the instructions themselves. The
2329 // pseudos map between the two.
2330 let usesCustomInserter = 1,
2331 Constraints = "$Rn = $Rn_wb,@earlyclobber $Rn_wb" in {
2332 def STRi_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2333 (ins GPR:$Rt, GPR:$Rn, am2offset_imm:$offset, pred:$p),
2336 (pre_store GPR:$Rt, GPR:$Rn, am2offset_imm:$offset))]>;
2337 def STRr_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2338 (ins GPR:$Rt, GPR:$Rn, am2offset_reg:$offset, pred:$p),
2341 (pre_store GPR:$Rt, GPR:$Rn, am2offset_reg:$offset))]>;
2342 def STRBi_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2343 (ins GPR:$Rt, GPR:$Rn, am2offset_imm:$offset, pred:$p),
2346 (pre_truncsti8 GPR:$Rt, GPR:$Rn, am2offset_imm:$offset))]>;
2347 def STRBr_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2348 (ins GPR:$Rt, GPR:$Rn, am2offset_reg:$offset, pred:$p),
2351 (pre_truncsti8 GPR:$Rt, GPR:$Rn, am2offset_reg:$offset))]>;
2352 def STRH_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2353 (ins GPR:$Rt, GPR:$Rn, am3offset:$offset, pred:$p),
2356 (pre_truncsti16 GPR:$Rt, GPR:$Rn, am3offset:$offset))]>;
2361 def STRH_PRE : AI3ldstidx<0b1011, 0, 1, (outs GPR:$Rn_wb),
2362 (ins GPR:$Rt, addrmode3:$addr), IndexModePre,
2363 StMiscFrm, IIC_iStore_bh_ru,
2364 "strh", "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2366 let Inst{23} = addr{8}; // U bit
2367 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2368 let Inst{19-16} = addr{12-9}; // Rn
2369 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2370 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2371 let AsmMatchConverter = "cvtStWriteBackRegAddrMode3";
2372 let DecoderMethod = "DecodeAddrMode3Instruction";
2375 def STRH_POST : AI3ldstidx<0b1011, 0, 0, (outs GPR:$Rn_wb),
2376 (ins GPR:$Rt, addr_offset_none:$addr, am3offset:$offset),
2377 IndexModePost, StMiscFrm, IIC_iStore_bh_ru,
2378 "strh", "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb",
2379 [(set GPR:$Rn_wb, (post_truncsti16 GPR:$Rt,
2380 addr_offset_none:$addr,
2381 am3offset:$offset))]> {
2384 let Inst{23} = offset{8}; // U bit
2385 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2386 let Inst{19-16} = addr;
2387 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2388 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2389 let DecoderMethod = "DecodeAddrMode3Instruction";
2392 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in {
2393 def STRD_PRE : AI3ldstidx<0b1111, 0, 1, (outs GPR:$Rn_wb),
2394 (ins GPR:$Rt, GPR:$Rt2, addrmode3:$addr),
2395 IndexModePre, StMiscFrm, IIC_iStore_d_ru,
2396 "strd", "\t$Rt, $Rt2, $addr!",
2397 "$addr.base = $Rn_wb", []> {
2399 let Inst{23} = addr{8}; // U bit
2400 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2401 let Inst{19-16} = addr{12-9}; // Rn
2402 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2403 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2404 let DecoderMethod = "DecodeAddrMode3Instruction";
2405 let AsmMatchConverter = "cvtStrdPre";
2408 def STRD_POST: AI3ldstidx<0b1111, 0, 0, (outs GPR:$Rn_wb),
2409 (ins GPR:$Rt, GPR:$Rt2, addr_offset_none:$addr,
2411 IndexModePost, StMiscFrm, IIC_iStore_d_ru,
2412 "strd", "\t$Rt, $Rt2, $addr, $offset",
2413 "$addr.base = $Rn_wb", []> {
2416 let Inst{23} = offset{8}; // U bit
2417 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2418 let Inst{19-16} = addr;
2419 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2420 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2421 let DecoderMethod = "DecodeAddrMode3Instruction";
2423 } // mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1
2425 // STRT, STRBT, and STRHT
2427 def STRBT_POST_REG : AI2ldstidx<0, 1, 0, (outs GPR:$Rn_wb),
2428 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_reg:$offset),
2429 IndexModePost, StFrm, IIC_iStore_bh_ru,
2430 "strbt", "\t$Rt, $addr, $offset",
2431 "$addr.base = $Rn_wb", []> {
2437 let Inst{23} = offset{12};
2438 let Inst{21} = 1; // overwrite
2439 let Inst{19-16} = addr;
2440 let Inst{11-5} = offset{11-5};
2442 let Inst{3-0} = offset{3-0};
2443 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2446 def STRBT_POST_IMM : AI2ldstidx<0, 1, 0, (outs GPR:$Rn_wb),
2447 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_imm:$offset),
2448 IndexModePost, StFrm, IIC_iStore_bh_ru,
2449 "strbt", "\t$Rt, $addr, $offset",
2450 "$addr.base = $Rn_wb", []> {
2456 let Inst{23} = offset{12};
2457 let Inst{21} = 1; // overwrite
2458 let Inst{19-16} = addr;
2459 let Inst{11-0} = offset{11-0};
2460 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2463 let mayStore = 1, neverHasSideEffects = 1 in {
2464 def STRT_POST_REG : AI2ldstidx<0, 0, 0, (outs GPR:$Rn_wb),
2465 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_reg:$offset),
2466 IndexModePost, StFrm, IIC_iStore_ru,
2467 "strt", "\t$Rt, $addr, $offset",
2468 "$addr.base = $Rn_wb", []> {
2474 let Inst{23} = offset{12};
2475 let Inst{21} = 1; // overwrite
2476 let Inst{19-16} = addr;
2477 let Inst{11-5} = offset{11-5};
2479 let Inst{3-0} = offset{3-0};
2480 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2483 def STRT_POST_IMM : AI2ldstidx<0, 0, 0, (outs GPR:$Rn_wb),
2484 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_imm:$offset),
2485 IndexModePost, StFrm, IIC_iStore_ru,
2486 "strt", "\t$Rt, $addr, $offset",
2487 "$addr.base = $Rn_wb", []> {
2493 let Inst{23} = offset{12};
2494 let Inst{21} = 1; // overwrite
2495 let Inst{19-16} = addr;
2496 let Inst{11-0} = offset{11-0};
2497 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2502 multiclass AI3strT<bits<4> op, string opc> {
2503 def i : AI3ldstidxT<op, 0, (outs GPR:$base_wb),
2504 (ins GPR:$Rt, addr_offset_none:$addr, postidx_imm8:$offset),
2505 IndexModePost, StMiscFrm, IIC_iStore_bh_ru, opc,
2506 "\t$Rt, $addr, $offset", "$addr.base = $base_wb", []> {
2508 let Inst{23} = offset{8};
2510 let Inst{11-8} = offset{7-4};
2511 let Inst{3-0} = offset{3-0};
2512 let AsmMatchConverter = "cvtStExtTWriteBackImm";
2514 def r : AI3ldstidxT<op, 0, (outs GPR:$base_wb),
2515 (ins GPR:$Rt, addr_offset_none:$addr, postidx_reg:$Rm),
2516 IndexModePost, StMiscFrm, IIC_iStore_bh_ru, opc,
2517 "\t$Rt, $addr, $Rm", "$addr.base = $base_wb", []> {
2519 let Inst{23} = Rm{4};
2522 let Inst{3-0} = Rm{3-0};
2523 let AsmMatchConverter = "cvtStExtTWriteBackReg";
2528 defm STRHT : AI3strT<0b1011, "strht">;
2531 //===----------------------------------------------------------------------===//
2532 // Load / store multiple Instructions.
2535 multiclass arm_ldst_mult<string asm, bit L_bit, Format f,
2536 InstrItinClass itin, InstrItinClass itin_upd> {
2537 // IA is the default, so no need for an explicit suffix on the
2538 // mnemonic here. Without it is the cannonical spelling.
2540 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2541 IndexModeNone, f, itin,
2542 !strconcat(asm, "${p}\t$Rn, $regs"), "", []> {
2543 let Inst{24-23} = 0b01; // Increment After
2544 let Inst{21} = 0; // No writeback
2545 let Inst{20} = L_bit;
2548 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2549 IndexModeUpd, f, itin_upd,
2550 !strconcat(asm, "${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
2551 let Inst{24-23} = 0b01; // Increment After
2552 let Inst{21} = 1; // Writeback
2553 let Inst{20} = L_bit;
2555 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
2558 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2559 IndexModeNone, f, itin,
2560 !strconcat(asm, "da${p}\t$Rn, $regs"), "", []> {
2561 let Inst{24-23} = 0b00; // Decrement After
2562 let Inst{21} = 0; // No writeback
2563 let Inst{20} = L_bit;
2566 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2567 IndexModeUpd, f, itin_upd,
2568 !strconcat(asm, "da${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
2569 let Inst{24-23} = 0b00; // Decrement After
2570 let Inst{21} = 1; // Writeback
2571 let Inst{20} = L_bit;
2573 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
2576 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2577 IndexModeNone, f, itin,
2578 !strconcat(asm, "db${p}\t$Rn, $regs"), "", []> {
2579 let Inst{24-23} = 0b10; // Decrement Before
2580 let Inst{21} = 0; // No writeback
2581 let Inst{20} = L_bit;
2584 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2585 IndexModeUpd, f, itin_upd,
2586 !strconcat(asm, "db${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
2587 let Inst{24-23} = 0b10; // Decrement Before
2588 let Inst{21} = 1; // Writeback
2589 let Inst{20} = L_bit;
2591 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
2594 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2595 IndexModeNone, f, itin,
2596 !strconcat(asm, "ib${p}\t$Rn, $regs"), "", []> {
2597 let Inst{24-23} = 0b11; // Increment Before
2598 let Inst{21} = 0; // No writeback
2599 let Inst{20} = L_bit;
2602 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2603 IndexModeUpd, f, itin_upd,
2604 !strconcat(asm, "ib${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
2605 let Inst{24-23} = 0b11; // Increment Before
2606 let Inst{21} = 1; // Writeback
2607 let Inst{20} = L_bit;
2609 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
2613 let neverHasSideEffects = 1 in {
2615 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
2616 defm LDM : arm_ldst_mult<"ldm", 1, LdStMulFrm, IIC_iLoad_m, IIC_iLoad_mu>;
2618 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
2619 defm STM : arm_ldst_mult<"stm", 0, LdStMulFrm, IIC_iStore_m, IIC_iStore_mu>;
2621 } // neverHasSideEffects
2623 // FIXME: remove when we have a way to marking a MI with these properties.
2624 // FIXME: Should pc be an implicit operand like PICADD, etc?
2625 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
2626 hasExtraDefRegAllocReq = 1, isCodeGenOnly = 1 in
2627 def LDMIA_RET : ARMPseudoExpand<(outs GPR:$wb), (ins GPR:$Rn, pred:$p,
2628 reglist:$regs, variable_ops),
2629 4, IIC_iLoad_mBr, [],
2630 (LDMIA_UPD GPR:$wb, GPR:$Rn, pred:$p, reglist:$regs)>,
2631 RegConstraint<"$Rn = $wb">;
2633 //===----------------------------------------------------------------------===//
2634 // Move Instructions.
2637 let neverHasSideEffects = 1 in
2638 def MOVr : AsI1<0b1101, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMOVr,
2639 "mov", "\t$Rd, $Rm", []>, UnaryDP {
2643 let Inst{19-16} = 0b0000;
2644 let Inst{11-4} = 0b00000000;
2647 let Inst{15-12} = Rd;
2650 // A version for the smaller set of tail call registers.
2651 let neverHasSideEffects = 1 in
2652 def MOVr_TC : AsI1<0b1101, (outs tcGPR:$Rd), (ins tcGPR:$Rm), DPFrm,
2653 IIC_iMOVr, "mov", "\t$Rd, $Rm", []>, UnaryDP {
2657 let Inst{11-4} = 0b00000000;
2660 let Inst{15-12} = Rd;
2663 def MOVsr : AsI1<0b1101, (outs GPRnopc:$Rd), (ins shift_so_reg_reg:$src),
2664 DPSoRegRegFrm, IIC_iMOVsr,
2665 "mov", "\t$Rd, $src",
2666 [(set GPRnopc:$Rd, shift_so_reg_reg:$src)]>, UnaryDP {
2669 let Inst{15-12} = Rd;
2670 let Inst{19-16} = 0b0000;
2671 let Inst{11-8} = src{11-8};
2673 let Inst{6-5} = src{6-5};
2675 let Inst{3-0} = src{3-0};
2679 def MOVsi : AsI1<0b1101, (outs GPR:$Rd), (ins shift_so_reg_imm:$src),
2680 DPSoRegImmFrm, IIC_iMOVsr,
2681 "mov", "\t$Rd, $src", [(set GPR:$Rd, shift_so_reg_imm:$src)]>,
2685 let Inst{15-12} = Rd;
2686 let Inst{19-16} = 0b0000;
2687 let Inst{11-5} = src{11-5};
2689 let Inst{3-0} = src{3-0};
2693 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
2694 def MOVi : AsI1<0b1101, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm, IIC_iMOVi,
2695 "mov", "\t$Rd, $imm", [(set GPR:$Rd, so_imm:$imm)]>, UnaryDP {
2699 let Inst{15-12} = Rd;
2700 let Inst{19-16} = 0b0000;
2701 let Inst{11-0} = imm;
2704 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
2705 def MOVi16 : AI1<0b1000, (outs GPR:$Rd), (ins imm0_65535_expr:$imm),
2707 "movw", "\t$Rd, $imm",
2708 [(set GPR:$Rd, imm0_65535:$imm)]>,
2709 Requires<[IsARM, HasV6T2]>, UnaryDP {
2712 let Inst{15-12} = Rd;
2713 let Inst{11-0} = imm{11-0};
2714 let Inst{19-16} = imm{15-12};
2719 def : InstAlias<"mov${p} $Rd, $imm",
2720 (MOVi16 GPR:$Rd, imm0_65535_expr:$imm, pred:$p)>,
2723 def MOVi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
2724 (ins i32imm:$addr, pclabel:$id), IIC_iMOVi, []>;
2726 let Constraints = "$src = $Rd" in {
2727 def MOVTi16 : AI1<0b1010, (outs GPRnopc:$Rd),
2728 (ins GPR:$src, imm0_65535_expr:$imm),
2730 "movt", "\t$Rd, $imm",
2732 (or (and GPR:$src, 0xffff),
2733 lo16AllZero:$imm))]>, UnaryDP,
2734 Requires<[IsARM, HasV6T2]> {
2737 let Inst{15-12} = Rd;
2738 let Inst{11-0} = imm{11-0};
2739 let Inst{19-16} = imm{15-12};
2744 def MOVTi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
2745 (ins GPR:$src, i32imm:$addr, pclabel:$id), IIC_iMOVi, []>;
2749 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
2750 Requires<[IsARM, HasV6T2]>;
2752 let Uses = [CPSR] in
2753 def RRX: PseudoInst<(outs GPR:$Rd), (ins GPR:$Rm), IIC_iMOVsi,
2754 [(set GPR:$Rd, (ARMrrx GPR:$Rm))]>, UnaryDP,
2757 // These aren't really mov instructions, but we have to define them this way
2758 // due to flag operands.
2760 let Defs = [CPSR] in {
2761 def MOVsrl_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
2762 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP,
2764 def MOVsra_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
2765 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP,
2769 //===----------------------------------------------------------------------===//
2770 // Extend Instructions.
2775 def SXTB : AI_ext_rrot<0b01101010,
2776 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
2777 def SXTH : AI_ext_rrot<0b01101011,
2778 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
2780 def SXTAB : AI_exta_rrot<0b01101010,
2781 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
2782 def SXTAH : AI_exta_rrot<0b01101011,
2783 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
2785 def SXTB16 : AI_ext_rrot_np<0b01101000, "sxtb16">;
2787 def SXTAB16 : AI_exta_rrot_np<0b01101000, "sxtab16">;
2791 let AddedComplexity = 16 in {
2792 def UXTB : AI_ext_rrot<0b01101110,
2793 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
2794 def UXTH : AI_ext_rrot<0b01101111,
2795 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
2796 def UXTB16 : AI_ext_rrot<0b01101100,
2797 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
2799 // FIXME: This pattern incorrectly assumes the shl operator is a rotate.
2800 // The transformation should probably be done as a combiner action
2801 // instead so we can include a check for masking back in the upper
2802 // eight bits of the source into the lower eight bits of the result.
2803 //def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
2804 // (UXTB16r_rot GPR:$Src, 3)>;
2805 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
2806 (UXTB16 GPR:$Src, 1)>;
2808 def UXTAB : AI_exta_rrot<0b01101110, "uxtab",
2809 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
2810 def UXTAH : AI_exta_rrot<0b01101111, "uxtah",
2811 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
2814 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
2815 def UXTAB16 : AI_exta_rrot_np<0b01101100, "uxtab16">;
2818 def SBFX : I<(outs GPRnopc:$Rd),
2819 (ins GPRnopc:$Rn, imm0_31:$lsb, imm1_32:$width),
2820 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
2821 "sbfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
2822 Requires<[IsARM, HasV6T2]> {
2827 let Inst{27-21} = 0b0111101;
2828 let Inst{6-4} = 0b101;
2829 let Inst{20-16} = width;
2830 let Inst{15-12} = Rd;
2831 let Inst{11-7} = lsb;
2835 def UBFX : I<(outs GPR:$Rd),
2836 (ins GPR:$Rn, imm0_31:$lsb, imm1_32:$width),
2837 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
2838 "ubfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
2839 Requires<[IsARM, HasV6T2]> {
2844 let Inst{27-21} = 0b0111111;
2845 let Inst{6-4} = 0b101;
2846 let Inst{20-16} = width;
2847 let Inst{15-12} = Rd;
2848 let Inst{11-7} = lsb;
2852 //===----------------------------------------------------------------------===//
2853 // Arithmetic Instructions.
2856 defm ADD : AsI1_bin_irs<0b0100, "add",
2857 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2858 BinOpFrag<(add node:$LHS, node:$RHS)>, "ADD", 1>;
2859 defm SUB : AsI1_bin_irs<0b0010, "sub",
2860 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2861 BinOpFrag<(sub node:$LHS, node:$RHS)>, "SUB">;
2863 // ADD and SUB with 's' bit set.
2864 defm ADDS : AI1_bin_s_irs<0b0100, "adds",
2865 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2866 BinOpFrag<(addc node:$LHS, node:$RHS)>, 1>;
2867 defm SUBS : AI1_bin_s_irs<0b0010, "subs",
2868 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2869 BinOpFrag<(subc node:$LHS, node:$RHS)>>;
2871 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
2872 BinOpFrag<(adde_dead_carry node:$LHS, node:$RHS)>,
2874 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
2875 BinOpFrag<(sube_dead_carry node:$LHS, node:$RHS)>,
2878 // ADC and SUBC with 's' bit set.
2879 let usesCustomInserter = 1 in {
2880 defm ADCS : AI1_adde_sube_s_irs<
2881 BinOpFrag<(adde_live_carry node:$LHS, node:$RHS)>, 1>;
2882 defm SBCS : AI1_adde_sube_s_irs<
2883 BinOpFrag<(sube_live_carry node:$LHS, node:$RHS) >>;
2886 def RSBri : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
2887 IIC_iALUi, "rsb", "\t$Rd, $Rn, $imm",
2888 [(set GPR:$Rd, (sub so_imm:$imm, GPR:$Rn))]> {
2893 let Inst{15-12} = Rd;
2894 let Inst{19-16} = Rn;
2895 let Inst{11-0} = imm;
2898 def RSBrr : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
2899 IIC_iALUr, "rsb", "\t$Rd, $Rn, $Rm", []> {
2903 let Inst{11-4} = 0b00000000;
2906 let Inst{15-12} = Rd;
2907 let Inst{19-16} = Rn;
2910 def RSBrsi : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_imm:$shift),
2911 DPSoRegImmFrm, IIC_iALUsr, "rsb", "\t$Rd, $Rn, $shift",
2912 [(set GPR:$Rd, (sub so_reg_imm:$shift, GPR:$Rn))]> {
2917 let Inst{19-16} = Rn;
2918 let Inst{15-12} = Rd;
2919 let Inst{11-5} = shift{11-5};
2921 let Inst{3-0} = shift{3-0};
2924 def RSBrsr : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_reg:$shift),
2925 DPSoRegRegFrm, IIC_iALUsr, "rsb", "\t$Rd, $Rn, $shift",
2926 [(set GPR:$Rd, (sub so_reg_reg:$shift, GPR:$Rn))]> {
2931 let Inst{19-16} = Rn;
2932 let Inst{15-12} = Rd;
2933 let Inst{11-8} = shift{11-8};
2935 let Inst{6-5} = shift{6-5};
2937 let Inst{3-0} = shift{3-0};
2940 // RSB with 's' bit set.
2941 // NOTE: CPSR def omitted because it will be handled by the custom inserter.
2942 let usesCustomInserter = 1 in {
2943 def RSBSri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2945 [(set GPR:$Rd, (subc so_imm:$imm, GPR:$Rn))]>;
2946 def RSBSrr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2948 def RSBSrsi : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg_imm:$shift),
2950 [(set GPR:$Rd, (subc so_reg_imm:$shift, GPR:$Rn))]>;
2951 def RSBSrsr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg_reg:$shift),
2953 [(set GPR:$Rd, (subc so_reg_reg:$shift, GPR:$Rn))]>;
2956 let Uses = [CPSR] in {
2957 def RSCri : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2958 DPFrm, IIC_iALUi, "rsc", "\t$Rd, $Rn, $imm",
2959 [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>,
2965 let Inst{15-12} = Rd;
2966 let Inst{19-16} = Rn;
2967 let Inst{11-0} = imm;
2969 def RSCrr : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2970 DPFrm, IIC_iALUr, "rsc", "\t$Rd, $Rn, $Rm", []> {
2974 let Inst{11-4} = 0b00000000;
2977 let Inst{15-12} = Rd;
2978 let Inst{19-16} = Rn;
2980 def RSCrsi : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_imm:$shift),
2981 DPSoRegImmFrm, IIC_iALUsr, "rsc", "\t$Rd, $Rn, $shift",
2982 [(set GPR:$Rd, (sube_dead_carry so_reg_imm:$shift, GPR:$Rn))]>,
2988 let Inst{19-16} = Rn;
2989 let Inst{15-12} = Rd;
2990 let Inst{11-5} = shift{11-5};
2992 let Inst{3-0} = shift{3-0};
2994 def RSCrsr : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_reg:$shift),
2995 DPSoRegRegFrm, IIC_iALUsr, "rsc", "\t$Rd, $Rn, $shift",
2996 [(set GPR:$Rd, (sube_dead_carry so_reg_reg:$shift, GPR:$Rn))]>,
3002 let Inst{19-16} = Rn;
3003 let Inst{15-12} = Rd;
3004 let Inst{11-8} = shift{11-8};
3006 let Inst{6-5} = shift{6-5};
3008 let Inst{3-0} = shift{3-0};
3013 // NOTE: CPSR def omitted because it will be handled by the custom inserter.
3014 let usesCustomInserter = 1, Uses = [CPSR] in {
3015 def RSCSri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
3017 [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>;
3018 def RSCSrsi : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg_imm:$shift),
3020 [(set GPR:$Rd, (sube_dead_carry so_reg_imm:$shift, GPR:$Rn))]>;
3021 def RSCSrsr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg_reg:$shift),
3023 [(set GPR:$Rd, (sube_dead_carry so_reg_reg:$shift, GPR:$Rn))]>;
3026 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
3027 // The assume-no-carry-in form uses the negation of the input since add/sub
3028 // assume opposite meanings of the carry flag (i.e., carry == !borrow).
3029 // See the definition of AddWithCarry() in the ARM ARM A2.2.1 for the gory
3031 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
3032 (SUBri GPR:$src, so_imm_neg:$imm)>;
3033 def : ARMPat<(addc GPR:$src, so_imm_neg:$imm),
3034 (SUBSri GPR:$src, so_imm_neg:$imm)>;
3035 // The with-carry-in form matches bitwise not instead of the negation.
3036 // Effectively, the inverse interpretation of the carry flag already accounts
3037 // for part of the negation.
3038 def : ARMPat<(adde_dead_carry GPR:$src, so_imm_not:$imm),
3039 (SBCri GPR:$src, so_imm_not:$imm)>;
3040 def : ARMPat<(adde_live_carry GPR:$src, so_imm_not:$imm),
3041 (SBCSri GPR:$src, so_imm_not:$imm)>;
3043 // Note: These are implemented in C++ code, because they have to generate
3044 // ADD/SUBrs instructions, which use a complex pattern that a xform function
3046 // (mul X, 2^n+1) -> (add (X << n), X)
3047 // (mul X, 2^n-1) -> (rsb X, (X << n))
3049 // ARM Arithmetic Instruction
3050 // GPR:$dst = GPR:$a op GPR:$b
3051 class AAI<bits<8> op27_20, bits<8> op11_4, string opc,
3052 list<dag> pattern = [],
3053 dag iops = (ins GPRnopc:$Rn, GPRnopc:$Rm),
3054 string asm = "\t$Rd, $Rn, $Rm">
3055 : AI<(outs GPRnopc:$Rd), iops, DPFrm, IIC_iALUr, opc, asm, pattern> {
3059 let Inst{27-20} = op27_20;
3060 let Inst{11-4} = op11_4;
3061 let Inst{19-16} = Rn;
3062 let Inst{15-12} = Rd;
3066 // Saturating add/subtract
3068 def QADD : AAI<0b00010000, 0b00000101, "qadd",
3069 [(set GPRnopc:$Rd, (int_arm_qadd GPRnopc:$Rm, GPRnopc:$Rn))],
3070 (ins GPRnopc:$Rm, GPRnopc:$Rn), "\t$Rd, $Rm, $Rn">;
3071 def QSUB : AAI<0b00010010, 0b00000101, "qsub",
3072 [(set GPRnopc:$Rd, (int_arm_qsub GPRnopc:$Rm, GPRnopc:$Rn))],
3073 (ins GPRnopc:$Rm, GPRnopc:$Rn), "\t$Rd, $Rm, $Rn">;
3074 def QDADD : AAI<0b00010100, 0b00000101, "qdadd", [],
3075 (ins GPRnopc:$Rm, GPRnopc:$Rn),
3077 def QDSUB : AAI<0b00010110, 0b00000101, "qdsub", [],
3078 (ins GPRnopc:$Rm, GPRnopc:$Rn),
3081 def QADD16 : AAI<0b01100010, 0b11110001, "qadd16">;
3082 def QADD8 : AAI<0b01100010, 0b11111001, "qadd8">;
3083 def QASX : AAI<0b01100010, 0b11110011, "qasx">;
3084 def QSAX : AAI<0b01100010, 0b11110101, "qsax">;
3085 def QSUB16 : AAI<0b01100010, 0b11110111, "qsub16">;
3086 def QSUB8 : AAI<0b01100010, 0b11111111, "qsub8">;
3087 def UQADD16 : AAI<0b01100110, 0b11110001, "uqadd16">;
3088 def UQADD8 : AAI<0b01100110, 0b11111001, "uqadd8">;
3089 def UQASX : AAI<0b01100110, 0b11110011, "uqasx">;
3090 def UQSAX : AAI<0b01100110, 0b11110101, "uqsax">;
3091 def UQSUB16 : AAI<0b01100110, 0b11110111, "uqsub16">;
3092 def UQSUB8 : AAI<0b01100110, 0b11111111, "uqsub8">;
3094 // Signed/Unsigned add/subtract
3096 def SASX : AAI<0b01100001, 0b11110011, "sasx">;
3097 def SADD16 : AAI<0b01100001, 0b11110001, "sadd16">;
3098 def SADD8 : AAI<0b01100001, 0b11111001, "sadd8">;
3099 def SSAX : AAI<0b01100001, 0b11110101, "ssax">;
3100 def SSUB16 : AAI<0b01100001, 0b11110111, "ssub16">;
3101 def SSUB8 : AAI<0b01100001, 0b11111111, "ssub8">;
3102 def UASX : AAI<0b01100101, 0b11110011, "uasx">;
3103 def UADD16 : AAI<0b01100101, 0b11110001, "uadd16">;
3104 def UADD8 : AAI<0b01100101, 0b11111001, "uadd8">;
3105 def USAX : AAI<0b01100101, 0b11110101, "usax">;
3106 def USUB16 : AAI<0b01100101, 0b11110111, "usub16">;
3107 def USUB8 : AAI<0b01100101, 0b11111111, "usub8">;
3109 // Signed/Unsigned halving add/subtract
3111 def SHASX : AAI<0b01100011, 0b11110011, "shasx">;
3112 def SHADD16 : AAI<0b01100011, 0b11110001, "shadd16">;
3113 def SHADD8 : AAI<0b01100011, 0b11111001, "shadd8">;
3114 def SHSAX : AAI<0b01100011, 0b11110101, "shsax">;
3115 def SHSUB16 : AAI<0b01100011, 0b11110111, "shsub16">;
3116 def SHSUB8 : AAI<0b01100011, 0b11111111, "shsub8">;
3117 def UHASX : AAI<0b01100111, 0b11110011, "uhasx">;
3118 def UHADD16 : AAI<0b01100111, 0b11110001, "uhadd16">;
3119 def UHADD8 : AAI<0b01100111, 0b11111001, "uhadd8">;
3120 def UHSAX : AAI<0b01100111, 0b11110101, "uhsax">;
3121 def UHSUB16 : AAI<0b01100111, 0b11110111, "uhsub16">;
3122 def UHSUB8 : AAI<0b01100111, 0b11111111, "uhsub8">;
3124 // Unsigned Sum of Absolute Differences [and Accumulate].
3126 def USAD8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3127 MulFrm /* for convenience */, NoItinerary, "usad8",
3128 "\t$Rd, $Rn, $Rm", []>,
3129 Requires<[IsARM, HasV6]> {
3133 let Inst{27-20} = 0b01111000;
3134 let Inst{15-12} = 0b1111;
3135 let Inst{7-4} = 0b0001;
3136 let Inst{19-16} = Rd;
3137 let Inst{11-8} = Rm;
3140 def USADA8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3141 MulFrm /* for convenience */, NoItinerary, "usada8",
3142 "\t$Rd, $Rn, $Rm, $Ra", []>,
3143 Requires<[IsARM, HasV6]> {
3148 let Inst{27-20} = 0b01111000;
3149 let Inst{7-4} = 0b0001;
3150 let Inst{19-16} = Rd;
3151 let Inst{15-12} = Ra;
3152 let Inst{11-8} = Rm;
3156 // Signed/Unsigned saturate
3158 def SSAT : AI<(outs GPRnopc:$Rd),
3159 (ins imm1_32:$sat_imm, GPRnopc:$Rn, shift_imm:$sh),
3160 SatFrm, NoItinerary, "ssat", "\t$Rd, $sat_imm, $Rn$sh", []> {
3165 let Inst{27-21} = 0b0110101;
3166 let Inst{5-4} = 0b01;
3167 let Inst{20-16} = sat_imm;
3168 let Inst{15-12} = Rd;
3169 let Inst{11-7} = sh{4-0};
3170 let Inst{6} = sh{5};
3174 def SSAT16 : AI<(outs GPRnopc:$Rd),
3175 (ins imm1_16:$sat_imm, GPRnopc:$Rn), SatFrm,
3176 NoItinerary, "ssat16", "\t$Rd, $sat_imm, $Rn", []> {
3180 let Inst{27-20} = 0b01101010;
3181 let Inst{11-4} = 0b11110011;
3182 let Inst{15-12} = Rd;
3183 let Inst{19-16} = sat_imm;
3187 def USAT : AI<(outs GPRnopc:$Rd),
3188 (ins imm0_31:$sat_imm, GPRnopc:$Rn, shift_imm:$sh),
3189 SatFrm, NoItinerary, "usat", "\t$Rd, $sat_imm, $Rn$sh", []> {
3194 let Inst{27-21} = 0b0110111;
3195 let Inst{5-4} = 0b01;
3196 let Inst{15-12} = Rd;
3197 let Inst{11-7} = sh{4-0};
3198 let Inst{6} = sh{5};
3199 let Inst{20-16} = sat_imm;
3203 def USAT16 : AI<(outs GPRnopc:$Rd),
3204 (ins imm0_15:$sat_imm, GPRnopc:$Rn), SatFrm,
3205 NoItinerary, "usat16", "\t$Rd, $sat_imm, $Rn", []> {
3209 let Inst{27-20} = 0b01101110;
3210 let Inst{11-4} = 0b11110011;
3211 let Inst{15-12} = Rd;
3212 let Inst{19-16} = sat_imm;
3216 def : ARMV6Pat<(int_arm_ssat GPRnopc:$a, imm:$pos),
3217 (SSAT imm:$pos, GPRnopc:$a, 0)>;
3218 def : ARMV6Pat<(int_arm_usat GPRnopc:$a, imm:$pos),
3219 (USAT imm:$pos, GPRnopc:$a, 0)>;
3221 //===----------------------------------------------------------------------===//
3222 // Bitwise Instructions.
3225 defm AND : AsI1_bin_irs<0b0000, "and",
3226 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3227 BinOpFrag<(and node:$LHS, node:$RHS)>, "AND", 1>;
3228 defm ORR : AsI1_bin_irs<0b1100, "orr",
3229 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3230 BinOpFrag<(or node:$LHS, node:$RHS)>, "ORR", 1>;
3231 defm EOR : AsI1_bin_irs<0b0001, "eor",
3232 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3233 BinOpFrag<(xor node:$LHS, node:$RHS)>, "EOR", 1>;
3234 defm BIC : AsI1_bin_irs<0b1110, "bic",
3235 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3236 BinOpFrag<(and node:$LHS, (not node:$RHS))>, "BIC">;
3238 // FIXME: bf_inv_mask_imm should be two operands, the lsb and the msb, just
3239 // like in the actual instruction encoding. The complexity of mapping the mask
3240 // to the lsb/msb pair should be handled by ISel, not encapsulated in the
3241 // instruction description.
3242 def BFC : I<(outs GPR:$Rd), (ins GPR:$src, bf_inv_mask_imm:$imm),
3243 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3244 "bfc", "\t$Rd, $imm", "$src = $Rd",
3245 [(set GPR:$Rd, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
3246 Requires<[IsARM, HasV6T2]> {
3249 let Inst{27-21} = 0b0111110;
3250 let Inst{6-0} = 0b0011111;
3251 let Inst{15-12} = Rd;
3252 let Inst{11-7} = imm{4-0}; // lsb
3253 let Inst{20-16} = imm{9-5}; // msb
3256 // A8.6.18 BFI - Bitfield insert (Encoding A1)
3257 def BFI:I<(outs GPRnopc:$Rd), (ins GPRnopc:$src, GPR:$Rn, bf_inv_mask_imm:$imm),
3258 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3259 "bfi", "\t$Rd, $Rn, $imm", "$src = $Rd",
3260 [(set GPRnopc:$Rd, (ARMbfi GPRnopc:$src, GPR:$Rn,
3261 bf_inv_mask_imm:$imm))]>,
3262 Requires<[IsARM, HasV6T2]> {
3266 let Inst{27-21} = 0b0111110;
3267 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
3268 let Inst{15-12} = Rd;
3269 let Inst{11-7} = imm{4-0}; // lsb
3270 let Inst{20-16} = imm{9-5}; // width
3274 // GNU as only supports this form of bfi (w/ 4 arguments)
3275 let isAsmParserOnly = 1 in
3276 def BFI4p : I<(outs GPRnopc:$Rd), (ins GPRnopc:$src, GPR:$Rn,
3277 lsb_pos_imm:$lsb, width_imm:$width),
3278 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3279 "bfi", "\t$Rd, $Rn, $lsb, $width", "$src = $Rd",
3280 []>, Requires<[IsARM, HasV6T2]> {
3285 let Inst{27-21} = 0b0111110;
3286 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
3287 let Inst{15-12} = Rd;
3288 let Inst{11-7} = lsb;
3289 let Inst{20-16} = width; // Custom encoder => lsb+width-1
3293 def MVNr : AsI1<0b1111, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMVNr,
3294 "mvn", "\t$Rd, $Rm",
3295 [(set GPR:$Rd, (not GPR:$Rm))]>, UnaryDP {
3299 let Inst{19-16} = 0b0000;
3300 let Inst{11-4} = 0b00000000;
3301 let Inst{15-12} = Rd;
3304 def MVNsi : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg_imm:$shift),
3305 DPSoRegImmFrm, IIC_iMVNsr, "mvn", "\t$Rd, $shift",
3306 [(set GPR:$Rd, (not so_reg_imm:$shift))]>, UnaryDP {
3310 let Inst{19-16} = 0b0000;
3311 let Inst{15-12} = Rd;
3312 let Inst{11-5} = shift{11-5};
3314 let Inst{3-0} = shift{3-0};
3316 def MVNsr : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg_reg:$shift),
3317 DPSoRegRegFrm, IIC_iMVNsr, "mvn", "\t$Rd, $shift",
3318 [(set GPR:$Rd, (not so_reg_reg:$shift))]>, UnaryDP {
3322 let Inst{19-16} = 0b0000;
3323 let Inst{15-12} = Rd;
3324 let Inst{11-8} = shift{11-8};
3326 let Inst{6-5} = shift{6-5};
3328 let Inst{3-0} = shift{3-0};
3330 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
3331 def MVNi : AsI1<0b1111, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm,
3332 IIC_iMVNi, "mvn", "\t$Rd, $imm",
3333 [(set GPR:$Rd, so_imm_not:$imm)]>,UnaryDP {
3337 let Inst{19-16} = 0b0000;
3338 let Inst{15-12} = Rd;
3339 let Inst{11-0} = imm;
3342 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
3343 (BICri GPR:$src, so_imm_not:$imm)>;
3345 //===----------------------------------------------------------------------===//
3346 // Multiply Instructions.
3348 class AsMul1I32<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
3349 string opc, string asm, list<dag> pattern>
3350 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
3354 let Inst{19-16} = Rd;
3355 let Inst{11-8} = Rm;
3358 class AsMul1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
3359 string opc, string asm, list<dag> pattern>
3360 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
3365 let Inst{19-16} = RdHi;
3366 let Inst{15-12} = RdLo;
3367 let Inst{11-8} = Rm;
3371 // FIXME: The v5 pseudos are only necessary for the additional Constraint
3372 // property. Remove them when it's possible to add those properties
3373 // on an individual MachineInstr, not just an instuction description.
3374 let isCommutable = 1 in {
3375 def MUL : AsMul1I32<0b0000000, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3376 IIC_iMUL32, "mul", "\t$Rd, $Rn, $Rm",
3377 [(set GPR:$Rd, (mul GPR:$Rn, GPR:$Rm))]>,
3378 Requires<[IsARM, HasV6]> {
3379 let Inst{15-12} = 0b0000;
3382 let Constraints = "@earlyclobber $Rd" in
3383 def MULv5: ARMPseudoExpand<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
3384 pred:$p, cc_out:$s),
3386 [(set GPR:$Rd, (mul GPR:$Rn, GPR:$Rm))],
3387 (MUL GPR:$Rd, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3388 Requires<[IsARM, NoV6]>;
3391 def MLA : AsMul1I32<0b0000001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3392 IIC_iMAC32, "mla", "\t$Rd, $Rn, $Rm, $Ra",
3393 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
3394 Requires<[IsARM, HasV6]> {
3396 let Inst{15-12} = Ra;
3399 let Constraints = "@earlyclobber $Rd" in
3400 def MLAv5: ARMPseudoExpand<(outs GPR:$Rd),
3401 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra, pred:$p, cc_out:$s),
3403 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))],
3404 (MLA GPR:$Rd, GPR:$Rn, GPR:$Rm, GPR:$Ra, pred:$p, cc_out:$s)>,
3405 Requires<[IsARM, NoV6]>;
3407 def MLS : AMul1I<0b0000011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3408 IIC_iMAC32, "mls", "\t$Rd, $Rn, $Rm, $Ra",
3409 [(set GPR:$Rd, (sub GPR:$Ra, (mul GPR:$Rn, GPR:$Rm)))]>,
3410 Requires<[IsARM, HasV6T2]> {
3415 let Inst{19-16} = Rd;
3416 let Inst{15-12} = Ra;
3417 let Inst{11-8} = Rm;
3421 // Extra precision multiplies with low / high results
3422 let neverHasSideEffects = 1 in {
3423 let isCommutable = 1 in {
3424 def SMULL : AsMul1I64<0b0000110, (outs GPR:$RdLo, GPR:$RdHi),
3425 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
3426 "smull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3427 Requires<[IsARM, HasV6]>;
3429 def UMULL : AsMul1I64<0b0000100, (outs GPR:$RdLo, GPR:$RdHi),
3430 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
3431 "umull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3432 Requires<[IsARM, HasV6]>;
3434 let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
3435 def SMULLv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3436 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
3438 (SMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3439 Requires<[IsARM, NoV6]>;
3441 def UMULLv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3442 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
3444 (UMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3445 Requires<[IsARM, NoV6]>;
3449 // Multiply + accumulate
3450 def SMLAL : AsMul1I64<0b0000111, (outs GPR:$RdLo, GPR:$RdHi),
3451 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
3452 "smlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3453 Requires<[IsARM, HasV6]>;
3454 def UMLAL : AsMul1I64<0b0000101, (outs GPR:$RdLo, GPR:$RdHi),
3455 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
3456 "umlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3457 Requires<[IsARM, HasV6]>;
3459 def UMAAL : AMul1I <0b0000010, (outs GPR:$RdLo, GPR:$RdHi),
3460 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
3461 "umaal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3462 Requires<[IsARM, HasV6]> {
3467 let Inst{19-16} = RdHi;
3468 let Inst{15-12} = RdLo;
3469 let Inst{11-8} = Rm;
3473 let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
3474 def SMLALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3475 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
3477 (SMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3478 Requires<[IsARM, NoV6]>;
3479 def UMLALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3480 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
3482 (UMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3483 Requires<[IsARM, NoV6]>;
3484 def UMAALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3485 (ins GPR:$Rn, GPR:$Rm, pred:$p),
3487 (UMAAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p)>,
3488 Requires<[IsARM, NoV6]>;
3491 } // neverHasSideEffects
3493 // Most significant word multiply
3494 def SMMUL : AMul2I <0b0111010, 0b0001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3495 IIC_iMUL32, "smmul", "\t$Rd, $Rn, $Rm",
3496 [(set GPR:$Rd, (mulhs GPR:$Rn, GPR:$Rm))]>,
3497 Requires<[IsARM, HasV6]> {
3498 let Inst{15-12} = 0b1111;
3501 def SMMULR : AMul2I <0b0111010, 0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3502 IIC_iMUL32, "smmulr", "\t$Rd, $Rn, $Rm", []>,
3503 Requires<[IsARM, HasV6]> {
3504 let Inst{15-12} = 0b1111;
3507 def SMMLA : AMul2Ia <0b0111010, 0b0001, (outs GPR:$Rd),
3508 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3509 IIC_iMAC32, "smmla", "\t$Rd, $Rn, $Rm, $Ra",
3510 [(set GPR:$Rd, (add (mulhs GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
3511 Requires<[IsARM, HasV6]>;
3513 def SMMLAR : AMul2Ia <0b0111010, 0b0011, (outs GPR:$Rd),
3514 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3515 IIC_iMAC32, "smmlar", "\t$Rd, $Rn, $Rm, $Ra", []>,
3516 Requires<[IsARM, HasV6]>;
3518 def SMMLS : AMul2Ia <0b0111010, 0b1101, (outs GPR:$Rd),
3519 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3520 IIC_iMAC32, "smmls", "\t$Rd, $Rn, $Rm, $Ra",
3521 [(set GPR:$Rd, (sub GPR:$Ra, (mulhs GPR:$Rn, GPR:$Rm)))]>,
3522 Requires<[IsARM, HasV6]>;
3524 def SMMLSR : AMul2Ia <0b0111010, 0b1111, (outs GPR:$Rd),
3525 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3526 IIC_iMAC32, "smmlsr", "\t$Rd, $Rn, $Rm, $Ra", []>,
3527 Requires<[IsARM, HasV6]>;
3529 multiclass AI_smul<string opc, PatFrag opnode> {
3530 def BB : AMulxyI<0b0001011, 0b00, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3531 IIC_iMUL16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm",
3532 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
3533 (sext_inreg GPR:$Rm, i16)))]>,
3534 Requires<[IsARM, HasV5TE]>;
3536 def BT : AMulxyI<0b0001011, 0b10, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3537 IIC_iMUL16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm",
3538 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
3539 (sra GPR:$Rm, (i32 16))))]>,
3540 Requires<[IsARM, HasV5TE]>;
3542 def TB : AMulxyI<0b0001011, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3543 IIC_iMUL16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm",
3544 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
3545 (sext_inreg GPR:$Rm, i16)))]>,
3546 Requires<[IsARM, HasV5TE]>;
3548 def TT : AMulxyI<0b0001011, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3549 IIC_iMUL16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm",
3550 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
3551 (sra GPR:$Rm, (i32 16))))]>,
3552 Requires<[IsARM, HasV5TE]>;
3554 def WB : AMulxyI<0b0001001, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3555 IIC_iMUL16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm",
3556 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
3557 (sext_inreg GPR:$Rm, i16)), (i32 16)))]>,
3558 Requires<[IsARM, HasV5TE]>;
3560 def WT : AMulxyI<0b0001001, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3561 IIC_iMUL16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm",
3562 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
3563 (sra GPR:$Rm, (i32 16))), (i32 16)))]>,
3564 Requires<[IsARM, HasV5TE]>;
3568 multiclass AI_smla<string opc, PatFrag opnode> {
3569 let DecoderMethod = "DecodeSMLAInstruction" in {
3570 def BB : AMulxyIa<0b0001000, 0b00, (outs GPRnopc:$Rd),
3571 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3572 IIC_iMAC16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm, $Ra",
3573 [(set GPRnopc:$Rd, (add GPR:$Ra,
3574 (opnode (sext_inreg GPRnopc:$Rn, i16),
3575 (sext_inreg GPRnopc:$Rm, i16))))]>,
3576 Requires<[IsARM, HasV5TE]>;
3578 def BT : AMulxyIa<0b0001000, 0b10, (outs GPRnopc:$Rd),
3579 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3580 IIC_iMAC16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm, $Ra",
3582 (add GPR:$Ra, (opnode (sext_inreg GPRnopc:$Rn, i16),
3583 (sra GPRnopc:$Rm, (i32 16)))))]>,
3584 Requires<[IsARM, HasV5TE]>;
3586 def TB : AMulxyIa<0b0001000, 0b01, (outs GPRnopc:$Rd),
3587 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3588 IIC_iMAC16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm, $Ra",
3590 (add GPR:$Ra, (opnode (sra GPRnopc:$Rn, (i32 16)),
3591 (sext_inreg GPRnopc:$Rm, i16))))]>,
3592 Requires<[IsARM, HasV5TE]>;
3594 def TT : AMulxyIa<0b0001000, 0b11, (outs GPRnopc:$Rd),
3595 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3596 IIC_iMAC16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm, $Ra",
3598 (add GPR:$Ra, (opnode (sra GPRnopc:$Rn, (i32 16)),
3599 (sra GPRnopc:$Rm, (i32 16)))))]>,
3600 Requires<[IsARM, HasV5TE]>;
3602 def WB : AMulxyIa<0b0001001, 0b00, (outs GPRnopc:$Rd),
3603 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3604 IIC_iMAC16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm, $Ra",
3606 (add GPR:$Ra, (sra (opnode GPRnopc:$Rn,
3607 (sext_inreg GPRnopc:$Rm, i16)), (i32 16))))]>,
3608 Requires<[IsARM, HasV5TE]>;
3610 def WT : AMulxyIa<0b0001001, 0b10, (outs GPRnopc:$Rd),
3611 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3612 IIC_iMAC16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm, $Ra",
3614 (add GPR:$Ra, (sra (opnode GPRnopc:$Rn,
3615 (sra GPRnopc:$Rm, (i32 16))), (i32 16))))]>,
3616 Requires<[IsARM, HasV5TE]>;
3620 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
3621 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
3623 // Halfword multiply accumulate long: SMLAL<x><y>.
3624 def SMLALBB : AMulxyI64<0b0001010, 0b00, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3625 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3626 IIC_iMAC64, "smlalbb", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3627 Requires<[IsARM, HasV5TE]>;
3629 def SMLALBT : AMulxyI64<0b0001010, 0b10, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3630 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3631 IIC_iMAC64, "smlalbt", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3632 Requires<[IsARM, HasV5TE]>;
3634 def SMLALTB : AMulxyI64<0b0001010, 0b01, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3635 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3636 IIC_iMAC64, "smlaltb", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3637 Requires<[IsARM, HasV5TE]>;
3639 def SMLALTT : AMulxyI64<0b0001010, 0b11, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3640 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3641 IIC_iMAC64, "smlaltt", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3642 Requires<[IsARM, HasV5TE]>;
3644 // Helper class for AI_smld.
3645 class AMulDualIbase<bit long, bit sub, bit swap, dag oops, dag iops,
3646 InstrItinClass itin, string opc, string asm>
3647 : AI<oops, iops, MulFrm, itin, opc, asm, []>, Requires<[IsARM, HasV6]> {
3650 let Inst{27-23} = 0b01110;
3651 let Inst{22} = long;
3652 let Inst{21-20} = 0b00;
3653 let Inst{11-8} = Rm;
3660 class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
3661 InstrItinClass itin, string opc, string asm>
3662 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
3664 let Inst{15-12} = 0b1111;
3665 let Inst{19-16} = Rd;
3667 class AMulDualIa<bit long, bit sub, bit swap, dag oops, dag iops,
3668 InstrItinClass itin, string opc, string asm>
3669 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
3672 let Inst{19-16} = Rd;
3673 let Inst{15-12} = Ra;
3675 class AMulDualI64<bit long, bit sub, bit swap, dag oops, dag iops,
3676 InstrItinClass itin, string opc, string asm>
3677 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
3680 let Inst{19-16} = RdHi;
3681 let Inst{15-12} = RdLo;
3684 multiclass AI_smld<bit sub, string opc> {
3686 def D : AMulDualIa<0, sub, 0, (outs GPRnopc:$Rd),
3687 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3688 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm, $Ra">;
3690 def DX: AMulDualIa<0, sub, 1, (outs GPRnopc:$Rd),
3691 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3692 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm, $Ra">;
3694 def LD: AMulDualI64<1, sub, 0, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3695 (ins GPRnopc:$Rn, GPRnopc:$Rm), NoItinerary,
3696 !strconcat(opc, "ld"), "\t$RdLo, $RdHi, $Rn, $Rm">;
3698 def LDX : AMulDualI64<1, sub, 1, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3699 (ins GPRnopc:$Rn, GPRnopc:$Rm), NoItinerary,
3700 !strconcat(opc, "ldx"),"\t$RdLo, $RdHi, $Rn, $Rm">;
3704 defm SMLA : AI_smld<0, "smla">;
3705 defm SMLS : AI_smld<1, "smls">;
3707 multiclass AI_sdml<bit sub, string opc> {
3709 def D:AMulDualI<0, sub, 0, (outs GPRnopc:$Rd), (ins GPRnopc:$Rn, GPRnopc:$Rm),
3710 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm">;
3711 def DX:AMulDualI<0, sub, 1, (outs GPRnopc:$Rd),(ins GPRnopc:$Rn, GPRnopc:$Rm),
3712 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm">;
3715 defm SMUA : AI_sdml<0, "smua">;
3716 defm SMUS : AI_sdml<1, "smus">;
3718 //===----------------------------------------------------------------------===//
3719 // Misc. Arithmetic Instructions.
3722 def CLZ : AMiscA1I<0b000010110, 0b0001, (outs GPR:$Rd), (ins GPR:$Rm),
3723 IIC_iUNAr, "clz", "\t$Rd, $Rm",
3724 [(set GPR:$Rd, (ctlz GPR:$Rm))]>, Requires<[IsARM, HasV5T]>;
3726 def RBIT : AMiscA1I<0b01101111, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
3727 IIC_iUNAr, "rbit", "\t$Rd, $Rm",
3728 [(set GPR:$Rd, (ARMrbit GPR:$Rm))]>,
3729 Requires<[IsARM, HasV6T2]>;
3731 def REV : AMiscA1I<0b01101011, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
3732 IIC_iUNAr, "rev", "\t$Rd, $Rm",
3733 [(set GPR:$Rd, (bswap GPR:$Rm))]>, Requires<[IsARM, HasV6]>;
3735 let AddedComplexity = 5 in
3736 def REV16 : AMiscA1I<0b01101011, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
3737 IIC_iUNAr, "rev16", "\t$Rd, $Rm",
3738 [(set GPR:$Rd, (rotr (bswap GPR:$Rm), (i32 16)))]>,
3739 Requires<[IsARM, HasV6]>;
3741 let AddedComplexity = 5 in
3742 def REVSH : AMiscA1I<0b01101111, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
3743 IIC_iUNAr, "revsh", "\t$Rd, $Rm",
3744 [(set GPR:$Rd, (sra (bswap GPR:$Rm), (i32 16)))]>,
3745 Requires<[IsARM, HasV6]>;
3747 def : ARMV6Pat<(or (sra (shl GPR:$Rm, (i32 24)), (i32 16)),
3748 (and (srl GPR:$Rm, (i32 8)), 0xFF)),
3751 def PKHBT : APKHI<0b01101000, 0, (outs GPR:$Rd),
3752 (ins GPR:$Rn, GPR:$Rm, pkh_lsl_amt:$sh),
3753 IIC_iALUsi, "pkhbt", "\t$Rd, $Rn, $Rm$sh",
3754 [(set GPR:$Rd, (or (and GPR:$Rn, 0xFFFF),
3755 (and (shl GPR:$Rm, pkh_lsl_amt:$sh),
3757 Requires<[IsARM, HasV6]>;
3759 // Alternate cases for PKHBT where identities eliminate some nodes.
3760 def : ARMV6Pat<(or (and GPR:$Rn, 0xFFFF), (and GPR:$Rm, 0xFFFF0000)),
3761 (PKHBT GPR:$Rn, GPR:$Rm, 0)>;
3762 def : ARMV6Pat<(or (and GPR:$Rn, 0xFFFF), (shl GPR:$Rm, imm16_31:$sh)),
3763 (PKHBT GPR:$Rn, GPR:$Rm, imm16_31:$sh)>;
3765 // Note: Shifts of 1-15 bits will be transformed to srl instead of sra and
3766 // will match the pattern below.
3767 def PKHTB : APKHI<0b01101000, 1, (outs GPR:$Rd),
3768 (ins GPR:$Rn, GPR:$Rm, pkh_asr_amt:$sh),
3769 IIC_iBITsi, "pkhtb", "\t$Rd, $Rn, $Rm$sh",
3770 [(set GPR:$Rd, (or (and GPR:$Rn, 0xFFFF0000),
3771 (and (sra GPR:$Rm, pkh_asr_amt:$sh),
3773 Requires<[IsARM, HasV6]>;
3775 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
3776 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
3777 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000), (srl GPR:$src2, imm16_31:$sh)),
3778 (PKHTB GPR:$src1, GPR:$src2, imm16_31:$sh)>;
3779 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000),
3780 (and (srl GPR:$src2, imm1_15:$sh), 0xFFFF)),
3781 (PKHTB GPR:$src1, GPR:$src2, imm1_15:$sh)>;
3783 //===----------------------------------------------------------------------===//
3784 // Comparison Instructions...
3787 defm CMP : AI1_cmp_irs<0b1010, "cmp",
3788 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
3789 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
3791 // ARMcmpZ can re-use the above instruction definitions.
3792 def : ARMPat<(ARMcmpZ GPR:$src, so_imm:$imm),
3793 (CMPri GPR:$src, so_imm:$imm)>;
3794 def : ARMPat<(ARMcmpZ GPR:$src, GPR:$rhs),
3795 (CMPrr GPR:$src, GPR:$rhs)>;
3796 def : ARMPat<(ARMcmpZ GPR:$src, so_reg_imm:$rhs),
3797 (CMPrsi GPR:$src, so_reg_imm:$rhs)>;
3798 def : ARMPat<(ARMcmpZ GPR:$src, so_reg_reg:$rhs),
3799 (CMPrsr GPR:$src, so_reg_reg:$rhs)>;
3801 // FIXME: We have to be careful when using the CMN instruction and comparison
3802 // with 0. One would expect these two pieces of code should give identical
3818 // However, the CMN gives the *opposite* result when r1 is 0. This is because
3819 // the carry flag is set in the CMP case but not in the CMN case. In short, the
3820 // CMP instruction doesn't perform a truncate of the (logical) NOT of 0 plus the
3821 // value of r0 and the carry bit (because the "carry bit" parameter to
3822 // AddWithCarry is defined as 1 in this case, the carry flag will always be set
3823 // when r0 >= 0). The CMN instruction doesn't perform a NOT of 0 so there is
3824 // never a "carry" when this AddWithCarry is performed (because the "carry bit"
3825 // parameter to AddWithCarry is defined as 0).
3827 // When x is 0 and unsigned:
3831 // ~x + 1 = 0x1 0000 0000
3832 // (-x = 0) != (0x1 0000 0000 = ~x + 1)
3834 // Therefore, we should disable CMN when comparing against zero, until we can
3835 // limit when the CMN instruction is used (when we know that the RHS is not 0 or
3836 // when it's a comparison which doesn't look at the 'carry' flag).
3838 // (See the ARM docs for the "AddWithCarry" pseudo-code.)
3840 // This is related to <rdar://problem/7569620>.
3842 //defm CMN : AI1_cmp_irs<0b1011, "cmn",
3843 // BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
3845 // Note that TST/TEQ don't set all the same flags that CMP does!
3846 defm TST : AI1_cmp_irs<0b1000, "tst",
3847 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
3848 BinOpFrag<(ARMcmpZ (and_su node:$LHS, node:$RHS), 0)>, 1>;
3849 defm TEQ : AI1_cmp_irs<0b1001, "teq",
3850 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
3851 BinOpFrag<(ARMcmpZ (xor_su node:$LHS, node:$RHS), 0)>, 1>;
3853 defm CMNz : AI1_cmp_irs<0b1011, "cmn",
3854 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
3855 BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>>;
3857 //def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
3858 // (CMNri GPR:$src, so_imm_neg:$imm)>;
3860 def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
3861 (CMNzri GPR:$src, so_imm_neg:$imm)>;
3863 // Pseudo i64 compares for some floating point compares.
3864 let usesCustomInserter = 1, isBranch = 1, isTerminator = 1,
3866 def BCCi64 : PseudoInst<(outs),
3867 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, brtarget:$dst),
3869 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, bb:$dst)]>;
3871 def BCCZi64 : PseudoInst<(outs),
3872 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, brtarget:$dst), IIC_Br,
3873 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, 0, 0, bb:$dst)]>;
3874 } // usesCustomInserter
3877 // Conditional moves
3878 // FIXME: should be able to write a pattern for ARMcmov, but can't use
3879 // a two-value operand where a dag node expects two operands. :(
3880 let neverHasSideEffects = 1 in {
3881 def MOVCCr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$false, GPR:$Rm, pred:$p),
3883 [/*(set GPR:$Rd, (ARMcmov GPR:$false, GPR:$Rm, imm:$cc, CCR:$ccr))*/]>,
3884 RegConstraint<"$false = $Rd">;
3885 def MOVCCsi : ARMPseudoInst<(outs GPR:$Rd),
3886 (ins GPR:$false, so_reg_imm:$shift, pred:$p),
3888 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_reg_imm:$shift,
3889 imm:$cc, CCR:$ccr))*/]>,
3890 RegConstraint<"$false = $Rd">;
3891 def MOVCCsr : ARMPseudoInst<(outs GPR:$Rd),
3892 (ins GPR:$false, so_reg_reg:$shift, pred:$p),
3894 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_reg_reg:$shift,
3895 imm:$cc, CCR:$ccr))*/]>,
3896 RegConstraint<"$false = $Rd">;
3899 let isMoveImm = 1 in
3900 def MOVCCi16 : ARMPseudoInst<(outs GPR:$Rd),
3901 (ins GPR:$false, imm0_65535_expr:$imm, pred:$p),
3904 RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>;
3906 let isMoveImm = 1 in
3907 def MOVCCi : ARMPseudoInst<(outs GPR:$Rd),
3908 (ins GPR:$false, so_imm:$imm, pred:$p),
3910 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm:$imm, imm:$cc, CCR:$ccr))*/]>,
3911 RegConstraint<"$false = $Rd">;
3913 // Two instruction predicate mov immediate.
3914 let isMoveImm = 1 in
3915 def MOVCCi32imm : ARMPseudoInst<(outs GPR:$Rd),
3916 (ins GPR:$false, i32imm:$src, pred:$p),
3917 8, IIC_iCMOVix2, []>, RegConstraint<"$false = $Rd">;
3919 let isMoveImm = 1 in
3920 def MVNCCi : ARMPseudoInst<(outs GPR:$Rd),
3921 (ins GPR:$false, so_imm:$imm, pred:$p),
3923 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm_not:$imm, imm:$cc, CCR:$ccr))*/]>,
3924 RegConstraint<"$false = $Rd">;
3925 } // neverHasSideEffects
3927 //===----------------------------------------------------------------------===//
3928 // Atomic operations intrinsics
3931 def MemBarrierOptOperand : AsmOperandClass {
3932 let Name = "MemBarrierOpt";
3933 let ParserMethod = "parseMemBarrierOptOperand";
3935 def memb_opt : Operand<i32> {
3936 let PrintMethod = "printMemBOption";
3937 let ParserMatchClass = MemBarrierOptOperand;
3938 let DecoderMethod = "DecodeMemBarrierOption";
3941 // memory barriers protect the atomic sequences
3942 let hasSideEffects = 1 in {
3943 def DMB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
3944 "dmb", "\t$opt", [(ARMMemBarrier (i32 imm:$opt))]>,
3945 Requires<[IsARM, HasDB]> {
3947 let Inst{31-4} = 0xf57ff05;
3948 let Inst{3-0} = opt;
3952 def DSB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
3953 "dsb", "\t$opt", []>,
3954 Requires<[IsARM, HasDB]> {
3956 let Inst{31-4} = 0xf57ff04;
3957 let Inst{3-0} = opt;
3960 // ISB has only full system option
3961 def ISB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
3962 "isb", "\t$opt", []>,
3963 Requires<[IsARM, HasDB]> {
3965 let Inst{31-4} = 0xf57ff06;
3966 let Inst{3-0} = opt;
3969 let usesCustomInserter = 1 in {
3970 let Uses = [CPSR] in {
3971 def ATOMIC_LOAD_ADD_I8 : PseudoInst<
3972 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3973 [(set GPR:$dst, (atomic_load_add_8 GPR:$ptr, GPR:$incr))]>;
3974 def ATOMIC_LOAD_SUB_I8 : PseudoInst<
3975 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3976 [(set GPR:$dst, (atomic_load_sub_8 GPR:$ptr, GPR:$incr))]>;
3977 def ATOMIC_LOAD_AND_I8 : PseudoInst<
3978 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3979 [(set GPR:$dst, (atomic_load_and_8 GPR:$ptr, GPR:$incr))]>;
3980 def ATOMIC_LOAD_OR_I8 : PseudoInst<
3981 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3982 [(set GPR:$dst, (atomic_load_or_8 GPR:$ptr, GPR:$incr))]>;
3983 def ATOMIC_LOAD_XOR_I8 : PseudoInst<
3984 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3985 [(set GPR:$dst, (atomic_load_xor_8 GPR:$ptr, GPR:$incr))]>;
3986 def ATOMIC_LOAD_NAND_I8 : PseudoInst<
3987 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3988 [(set GPR:$dst, (atomic_load_nand_8 GPR:$ptr, GPR:$incr))]>;
3989 def ATOMIC_LOAD_MIN_I8 : PseudoInst<
3990 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3991 [(set GPR:$dst, (atomic_load_min_8 GPR:$ptr, GPR:$val))]>;
3992 def ATOMIC_LOAD_MAX_I8 : PseudoInst<
3993 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3994 [(set GPR:$dst, (atomic_load_max_8 GPR:$ptr, GPR:$val))]>;
3995 def ATOMIC_LOAD_UMIN_I8 : PseudoInst<
3996 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3997 [(set GPR:$dst, (atomic_load_min_8 GPR:$ptr, GPR:$val))]>;
3998 def ATOMIC_LOAD_UMAX_I8 : PseudoInst<
3999 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4000 [(set GPR:$dst, (atomic_load_max_8 GPR:$ptr, GPR:$val))]>;
4001 def ATOMIC_LOAD_ADD_I16 : PseudoInst<
4002 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4003 [(set GPR:$dst, (atomic_load_add_16 GPR:$ptr, GPR:$incr))]>;
4004 def ATOMIC_LOAD_SUB_I16 : PseudoInst<
4005 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4006 [(set GPR:$dst, (atomic_load_sub_16 GPR:$ptr, GPR:$incr))]>;
4007 def ATOMIC_LOAD_AND_I16 : PseudoInst<
4008 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4009 [(set GPR:$dst, (atomic_load_and_16 GPR:$ptr, GPR:$incr))]>;
4010 def ATOMIC_LOAD_OR_I16 : PseudoInst<
4011 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4012 [(set GPR:$dst, (atomic_load_or_16 GPR:$ptr, GPR:$incr))]>;
4013 def ATOMIC_LOAD_XOR_I16 : PseudoInst<
4014 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4015 [(set GPR:$dst, (atomic_load_xor_16 GPR:$ptr, GPR:$incr))]>;
4016 def ATOMIC_LOAD_NAND_I16 : PseudoInst<
4017 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4018 [(set GPR:$dst, (atomic_load_nand_16 GPR:$ptr, GPR:$incr))]>;
4019 def ATOMIC_LOAD_MIN_I16 : PseudoInst<
4020 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4021 [(set GPR:$dst, (atomic_load_min_16 GPR:$ptr, GPR:$val))]>;
4022 def ATOMIC_LOAD_MAX_I16 : PseudoInst<
4023 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4024 [(set GPR:$dst, (atomic_load_max_16 GPR:$ptr, GPR:$val))]>;
4025 def ATOMIC_LOAD_UMIN_I16 : PseudoInst<
4026 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4027 [(set GPR:$dst, (atomic_load_min_16 GPR:$ptr, GPR:$val))]>;
4028 def ATOMIC_LOAD_UMAX_I16 : PseudoInst<
4029 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4030 [(set GPR:$dst, (atomic_load_max_16 GPR:$ptr, GPR:$val))]>;
4031 def ATOMIC_LOAD_ADD_I32 : PseudoInst<
4032 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4033 [(set GPR:$dst, (atomic_load_add_32 GPR:$ptr, GPR:$incr))]>;
4034 def ATOMIC_LOAD_SUB_I32 : PseudoInst<
4035 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4036 [(set GPR:$dst, (atomic_load_sub_32 GPR:$ptr, GPR:$incr))]>;
4037 def ATOMIC_LOAD_AND_I32 : PseudoInst<
4038 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4039 [(set GPR:$dst, (atomic_load_and_32 GPR:$ptr, GPR:$incr))]>;
4040 def ATOMIC_LOAD_OR_I32 : PseudoInst<
4041 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4042 [(set GPR:$dst, (atomic_load_or_32 GPR:$ptr, GPR:$incr))]>;
4043 def ATOMIC_LOAD_XOR_I32 : PseudoInst<
4044 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4045 [(set GPR:$dst, (atomic_load_xor_32 GPR:$ptr, GPR:$incr))]>;
4046 def ATOMIC_LOAD_NAND_I32 : PseudoInst<
4047 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4048 [(set GPR:$dst, (atomic_load_nand_32 GPR:$ptr, GPR:$incr))]>;
4049 def ATOMIC_LOAD_MIN_I32 : PseudoInst<
4050 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4051 [(set GPR:$dst, (atomic_load_min_32 GPR:$ptr, GPR:$val))]>;
4052 def ATOMIC_LOAD_MAX_I32 : PseudoInst<
4053 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4054 [(set GPR:$dst, (atomic_load_max_32 GPR:$ptr, GPR:$val))]>;
4055 def ATOMIC_LOAD_UMIN_I32 : PseudoInst<
4056 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4057 [(set GPR:$dst, (atomic_load_min_32 GPR:$ptr, GPR:$val))]>;
4058 def ATOMIC_LOAD_UMAX_I32 : PseudoInst<
4059 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4060 [(set GPR:$dst, (atomic_load_max_32 GPR:$ptr, GPR:$val))]>;
4062 def ATOMIC_SWAP_I8 : PseudoInst<
4063 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
4064 [(set GPR:$dst, (atomic_swap_8 GPR:$ptr, GPR:$new))]>;
4065 def ATOMIC_SWAP_I16 : PseudoInst<
4066 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
4067 [(set GPR:$dst, (atomic_swap_16 GPR:$ptr, GPR:$new))]>;
4068 def ATOMIC_SWAP_I32 : PseudoInst<
4069 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
4070 [(set GPR:$dst, (atomic_swap_32 GPR:$ptr, GPR:$new))]>;
4072 def ATOMIC_CMP_SWAP_I8 : PseudoInst<
4073 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
4074 [(set GPR:$dst, (atomic_cmp_swap_8 GPR:$ptr, GPR:$old, GPR:$new))]>;
4075 def ATOMIC_CMP_SWAP_I16 : PseudoInst<
4076 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
4077 [(set GPR:$dst, (atomic_cmp_swap_16 GPR:$ptr, GPR:$old, GPR:$new))]>;
4078 def ATOMIC_CMP_SWAP_I32 : PseudoInst<
4079 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
4080 [(set GPR:$dst, (atomic_cmp_swap_32 GPR:$ptr, GPR:$old, GPR:$new))]>;
4084 let mayLoad = 1 in {
4085 def LDREXB : AIldrex<0b10, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4087 "ldrexb", "\t$Rt, $addr", []>;
4088 def LDREXH : AIldrex<0b11, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4089 NoItinerary, "ldrexh", "\t$Rt, $addr", []>;
4090 def LDREX : AIldrex<0b00, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4091 NoItinerary, "ldrex", "\t$Rt, $addr", []>;
4092 let hasExtraDefRegAllocReq = 1 in
4093 def LDREXD: AIldrex<0b01, (outs GPR:$Rt, GPR:$Rt2),(ins addr_offset_none:$addr),
4094 NoItinerary, "ldrexd", "\t$Rt, $Rt2, $addr", []> {
4095 let DecoderMethod = "DecodeDoubleRegLoad";
4099 let mayStore = 1, Constraints = "@earlyclobber $Rd" in {
4100 def STREXB: AIstrex<0b10, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4101 NoItinerary, "strexb", "\t$Rd, $Rt, $addr", []>;
4102 def STREXH: AIstrex<0b11, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4103 NoItinerary, "strexh", "\t$Rd, $Rt, $addr", []>;
4104 def STREX : AIstrex<0b00, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4105 NoItinerary, "strex", "\t$Rd, $Rt, $addr", []>;
4108 let hasExtraSrcRegAllocReq = 1, Constraints = "@earlyclobber $Rd" in
4109 def STREXD : AIstrex<0b01, (outs GPR:$Rd),
4110 (ins GPR:$Rt, GPR:$Rt2, addr_offset_none:$addr),
4111 NoItinerary, "strexd", "\t$Rd, $Rt, $Rt2, $addr", []> {
4112 let DecoderMethod = "DecodeDoubleRegStore";
4115 def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex", []>,
4116 Requires<[IsARM, HasV7]> {
4117 let Inst{31-0} = 0b11110101011111111111000000011111;
4120 // SWP/SWPB are deprecated in V6/V7.
4121 let mayLoad = 1, mayStore = 1 in {
4122 def SWP : AIswp<0, (outs GPR:$Rt), (ins GPR:$Rt2, addr_offset_none:$addr),
4124 def SWPB: AIswp<1, (outs GPR:$Rt), (ins GPR:$Rt2, addr_offset_none:$addr),
4128 //===----------------------------------------------------------------------===//
4129 // Coprocessor Instructions.
4132 def CDP : ABI<0b1110, (outs), (ins p_imm:$cop, imm0_15:$opc1,
4133 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, imm0_7:$opc2),
4134 NoItinerary, "cdp", "\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
4135 [(int_arm_cdp imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
4136 imm:$CRm, imm:$opc2)]> {
4144 let Inst{3-0} = CRm;
4146 let Inst{7-5} = opc2;
4147 let Inst{11-8} = cop;
4148 let Inst{15-12} = CRd;
4149 let Inst{19-16} = CRn;
4150 let Inst{23-20} = opc1;
4153 def CDP2 : ABXI<0b1110, (outs), (ins p_imm:$cop, imm0_15:$opc1,
4154 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, imm0_7:$opc2),
4155 NoItinerary, "cdp2\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
4156 [(int_arm_cdp2 imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
4157 imm:$CRm, imm:$opc2)]> {
4158 let Inst{31-28} = 0b1111;
4166 let Inst{3-0} = CRm;
4168 let Inst{7-5} = opc2;
4169 let Inst{11-8} = cop;
4170 let Inst{15-12} = CRd;
4171 let Inst{19-16} = CRn;
4172 let Inst{23-20} = opc1;
4175 class ACI<dag oops, dag iops, string opc, string asm,
4176 IndexMode im = IndexModeNone>
4177 : InoP<oops, iops, AddrModeNone, 4, im, BrFrm, NoItinerary,
4179 let Inst{27-25} = 0b110;
4182 multiclass LdStCop<bits<4> op31_28, bit load, dag ops, string opc, string cond>{
4183 let DecoderNamespace = "Common" in {
4184 def _OFFSET : ACI<(outs),
4185 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
4186 !strconcat(opc, cond), "\tp$cop, cr$CRd, $addr"> {
4187 let Inst{31-28} = op31_28;
4188 let Inst{24} = 1; // P = 1
4189 let Inst{21} = 0; // W = 0
4190 let Inst{22} = 0; // D = 0
4191 let Inst{20} = load;
4192 let DecoderMethod = "DecodeCopMemInstruction";
4195 def _PRE : ACI<(outs),
4196 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
4197 !strconcat(opc, cond), "\tp$cop, cr$CRd, $addr!", IndexModePre> {
4198 let Inst{31-28} = op31_28;
4199 let Inst{24} = 1; // P = 1
4200 let Inst{21} = 1; // W = 1
4201 let Inst{22} = 0; // D = 0
4202 let Inst{20} = load;
4203 let DecoderMethod = "DecodeCopMemInstruction";
4206 def _POST : ACI<(outs),
4207 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
4208 !strconcat(opc, cond), "\tp$cop, cr$CRd, $addr", IndexModePost> {
4209 let Inst{31-28} = op31_28;
4210 let Inst{24} = 0; // P = 0
4211 let Inst{21} = 1; // W = 1
4212 let Inst{22} = 0; // D = 0
4213 let Inst{20} = load;
4214 let DecoderMethod = "DecodeCopMemInstruction";
4217 def _OPTION : ACI<(outs),
4218 !con((ins nohash_imm:$cop,nohash_imm:$CRd,GPR:$base, nohash_imm:$option),
4220 !strconcat(opc, cond), "\tp$cop, cr$CRd, [$base], \\{$option\\}"> {
4221 let Inst{31-28} = op31_28;
4222 let Inst{24} = 0; // P = 0
4223 let Inst{23} = 1; // U = 1
4224 let Inst{21} = 0; // W = 0
4225 let Inst{22} = 0; // D = 0
4226 let Inst{20} = load;
4227 let DecoderMethod = "DecodeCopMemInstruction";
4230 def L_OFFSET : ACI<(outs),
4231 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
4232 !strconcat(!strconcat(opc, "l"), cond), "\tp$cop, cr$CRd, $addr"> {
4233 let Inst{31-28} = op31_28;
4234 let Inst{24} = 1; // P = 1
4235 let Inst{21} = 0; // W = 0
4236 let Inst{22} = 1; // D = 1
4237 let Inst{20} = load;
4238 let DecoderMethod = "DecodeCopMemInstruction";
4241 def L_PRE : ACI<(outs),
4242 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
4243 !strconcat(!strconcat(opc, "l"), cond), "\tp$cop, cr$CRd, $addr!",
4245 let Inst{31-28} = op31_28;
4246 let Inst{24} = 1; // P = 1
4247 let Inst{21} = 1; // W = 1
4248 let Inst{22} = 1; // D = 1
4249 let Inst{20} = load;
4250 let DecoderMethod = "DecodeCopMemInstruction";
4253 def L_POST : ACI<(outs),
4254 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addr_offset_none:$addr,
4255 postidx_imm8s4:$offset), ops),
4256 !strconcat(!strconcat(opc, "l"), cond), "\tp$cop, cr$CRd, $addr, $offset",
4258 let Inst{31-28} = op31_28;
4259 let Inst{24} = 0; // P = 0
4260 let Inst{21} = 1; // W = 1
4261 let Inst{22} = 1; // D = 1
4262 let Inst{20} = load;
4263 let DecoderMethod = "DecodeCopMemInstruction";
4266 def L_OPTION : ACI<(outs),
4267 !con((ins nohash_imm:$cop, nohash_imm:$CRd,GPR:$base,nohash_imm:$option),
4269 !strconcat(!strconcat(opc, "l"), cond),
4270 "\tp$cop, cr$CRd, [$base], \\{$option\\}"> {
4271 let Inst{31-28} = op31_28;
4272 let Inst{24} = 0; // P = 0
4273 let Inst{23} = 1; // U = 1
4274 let Inst{21} = 0; // W = 0
4275 let Inst{22} = 1; // D = 1
4276 let Inst{20} = load;
4277 let DecoderMethod = "DecodeCopMemInstruction";
4282 defm LDC : LdStCop<{?,?,?,?}, 1, (ins pred:$p), "ldc", "${p}">;
4283 defm LDC2 : LdStCop<0b1111, 1, (ins), "ldc2", "">;
4284 defm STC : LdStCop<{?,?,?,?}, 0, (ins pred:$p), "stc", "${p}">;
4285 defm STC2 : LdStCop<0b1111, 0, (ins), "stc2", "">;
4287 //===----------------------------------------------------------------------===//
4288 // Move between coprocessor and ARM core register.
4291 class MovRCopro<string opc, bit direction, dag oops, dag iops,
4293 : ABI<0b1110, oops, iops, NoItinerary, opc,
4294 "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2", pattern> {
4295 let Inst{20} = direction;
4305 let Inst{15-12} = Rt;
4306 let Inst{11-8} = cop;
4307 let Inst{23-21} = opc1;
4308 let Inst{7-5} = opc2;
4309 let Inst{3-0} = CRm;
4310 let Inst{19-16} = CRn;
4313 def MCR : MovRCopro<"mcr", 0 /* from ARM core register to coprocessor */,
4315 (ins p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
4316 c_imm:$CRm, imm0_7:$opc2),
4317 [(int_arm_mcr imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
4318 imm:$CRm, imm:$opc2)]>;
4319 def MRC : MovRCopro<"mrc", 1 /* from coprocessor to ARM core register */,
4321 (ins p_imm:$cop, imm0_7:$opc1, c_imm:$CRn, c_imm:$CRm,
4324 def : ARMPat<(int_arm_mrc imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2),
4325 (MRC imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
4327 class MovRCopro2<string opc, bit direction, dag oops, dag iops,
4329 : ABXI<0b1110, oops, iops, NoItinerary,
4330 !strconcat(opc, "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2"), pattern> {
4331 let Inst{31-28} = 0b1111;
4332 let Inst{20} = direction;
4342 let Inst{15-12} = Rt;
4343 let Inst{11-8} = cop;
4344 let Inst{23-21} = opc1;
4345 let Inst{7-5} = opc2;
4346 let Inst{3-0} = CRm;
4347 let Inst{19-16} = CRn;
4350 def MCR2 : MovRCopro2<"mcr2", 0 /* from ARM core register to coprocessor */,
4352 (ins p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
4353 c_imm:$CRm, imm0_7:$opc2),
4354 [(int_arm_mcr2 imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
4355 imm:$CRm, imm:$opc2)]>;
4356 def MRC2 : MovRCopro2<"mrc2", 1 /* from coprocessor to ARM core register */,
4358 (ins p_imm:$cop, imm0_7:$opc1, c_imm:$CRn, c_imm:$CRm,
4361 def : ARMV5TPat<(int_arm_mrc2 imm:$cop, imm:$opc1, imm:$CRn,
4362 imm:$CRm, imm:$opc2),
4363 (MRC2 imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
4365 class MovRRCopro<string opc, bit direction, list<dag> pattern = []>
4366 : ABI<0b1100, (outs), (ins p_imm:$cop, imm0_15:$opc1,
4367 GPR:$Rt, GPR:$Rt2, c_imm:$CRm),
4368 NoItinerary, opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm", pattern> {
4369 let Inst{23-21} = 0b010;
4370 let Inst{20} = direction;
4378 let Inst{15-12} = Rt;
4379 let Inst{19-16} = Rt2;
4380 let Inst{11-8} = cop;
4381 let Inst{7-4} = opc1;
4382 let Inst{3-0} = CRm;
4385 def MCRR : MovRRCopro<"mcrr", 0 /* from ARM core register to coprocessor */,
4386 [(int_arm_mcrr imm:$cop, imm:$opc1, GPR:$Rt, GPR:$Rt2,
4388 def MRRC : MovRRCopro<"mrrc", 1 /* from coprocessor to ARM core register */>;
4390 class MovRRCopro2<string opc, bit direction, list<dag> pattern = []>
4391 : ABXI<0b1100, (outs), (ins p_imm:$cop, imm0_15:$opc1,
4392 GPR:$Rt, GPR:$Rt2, c_imm:$CRm), NoItinerary,
4393 !strconcat(opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm"), pattern> {
4394 let Inst{31-28} = 0b1111;
4395 let Inst{23-21} = 0b010;
4396 let Inst{20} = direction;
4404 let Inst{15-12} = Rt;
4405 let Inst{19-16} = Rt2;
4406 let Inst{11-8} = cop;
4407 let Inst{7-4} = opc1;
4408 let Inst{3-0} = CRm;
4411 def MCRR2 : MovRRCopro2<"mcrr2", 0 /* from ARM core register to coprocessor */,
4412 [(int_arm_mcrr2 imm:$cop, imm:$opc1, GPR:$Rt, GPR:$Rt2,
4414 def MRRC2 : MovRRCopro2<"mrrc2", 1 /* from coprocessor to ARM core register */>;
4416 //===----------------------------------------------------------------------===//
4417 // Move between special register and ARM core register
4420 // Move to ARM core register from Special Register
4421 def MRS : ABI<0b0001, (outs GPR:$Rd), (ins), NoItinerary,
4422 "mrs", "\t$Rd, apsr", []> {
4424 let Inst{23-16} = 0b00001111;
4425 let Inst{15-12} = Rd;
4426 let Inst{7-4} = 0b0000;
4429 def : InstAlias<"mrs${p} $Rd, cpsr", (MRS GPR:$Rd, pred:$p)>, Requires<[IsARM]>;
4431 def MRSsys : ABI<0b0001, (outs GPR:$Rd), (ins), NoItinerary,
4432 "mrs", "\t$Rd, spsr", []> {
4434 let Inst{23-16} = 0b01001111;
4435 let Inst{15-12} = Rd;
4436 let Inst{7-4} = 0b0000;
4439 // Move from ARM core register to Special Register
4441 // No need to have both system and application versions, the encodings are the
4442 // same and the assembly parser has no way to distinguish between them. The mask
4443 // operand contains the special register (R Bit) in bit 4 and bits 3-0 contains
4444 // the mask with the fields to be accessed in the special register.
4445 def MSR : ABI<0b0001, (outs), (ins msr_mask:$mask, GPR:$Rn), NoItinerary,
4446 "msr", "\t$mask, $Rn", []> {
4451 let Inst{22} = mask{4}; // R bit
4452 let Inst{21-20} = 0b10;
4453 let Inst{19-16} = mask{3-0};
4454 let Inst{15-12} = 0b1111;
4455 let Inst{11-4} = 0b00000000;
4459 def MSRi : ABI<0b0011, (outs), (ins msr_mask:$mask, so_imm:$a), NoItinerary,
4460 "msr", "\t$mask, $a", []> {
4465 let Inst{22} = mask{4}; // R bit
4466 let Inst{21-20} = 0b10;
4467 let Inst{19-16} = mask{3-0};
4468 let Inst{15-12} = 0b1111;
4472 //===----------------------------------------------------------------------===//
4476 // __aeabi_read_tp preserves the registers r1-r3.
4477 // This is a pseudo inst so that we can get the encoding right,
4478 // complete with fixup for the aeabi_read_tp function.
4480 Defs = [R0, R12, LR, CPSR], Uses = [SP] in {
4481 def TPsoft : PseudoInst<(outs), (ins), IIC_Br,
4482 [(set R0, ARMthread_pointer)]>;
4485 //===----------------------------------------------------------------------===//
4486 // SJLJ Exception handling intrinsics
4487 // eh_sjlj_setjmp() is an instruction sequence to store the return
4488 // address and save #0 in R0 for the non-longjmp case.
4489 // Since by its nature we may be coming from some other function to get
4490 // here, and we're using the stack frame for the containing function to
4491 // save/restore registers, we can't keep anything live in regs across
4492 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
4493 // when we get here from a longjmp(). We force everything out of registers
4494 // except for our own input by listing the relevant registers in Defs. By
4495 // doing so, we also cause the prologue/epilogue code to actively preserve
4496 // all of the callee-saved resgisters, which is exactly what we want.
4497 // A constant value is passed in $val, and we use the location as a scratch.
4499 // These are pseudo-instructions and are lowered to individual MC-insts, so
4500 // no encoding information is necessary.
4502 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR,
4503 QQQQ0, QQQQ1, QQQQ2, QQQQ3 ], hasSideEffects = 1, isBarrier = 1 in {
4504 def Int_eh_sjlj_setjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
4506 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
4507 Requires<[IsARM, HasVFP2]>;
4511 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR ],
4512 hasSideEffects = 1, isBarrier = 1 in {
4513 def Int_eh_sjlj_setjmp_nofp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
4515 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
4516 Requires<[IsARM, NoVFP]>;
4519 // FIXME: Non-Darwin version(s)
4520 let isBarrier = 1, hasSideEffects = 1, isTerminator = 1,
4521 Defs = [ R7, LR, SP ] in {
4522 def Int_eh_sjlj_longjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$scratch),
4524 [(ARMeh_sjlj_longjmp GPR:$src, GPR:$scratch)]>,
4525 Requires<[IsARM, IsDarwin]>;
4528 // eh.sjlj.dispatchsetup pseudo-instruction.
4529 // This pseudo is used for ARM, Thumb1 and Thumb2. Any differences are
4530 // handled when the pseudo is expanded (which happens before any passes
4531 // that need the instruction size).
4532 let isBarrier = 1, hasSideEffects = 1 in
4533 def Int_eh_sjlj_dispatchsetup :
4534 PseudoInst<(outs), (ins GPR:$src), NoItinerary,
4535 [(ARMeh_sjlj_dispatchsetup GPR:$src)]>,
4536 Requires<[IsDarwin]>;
4538 //===----------------------------------------------------------------------===//
4539 // Non-Instruction Patterns
4542 // ARMv4 indirect branch using (MOVr PC, dst)
4543 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in
4544 def MOVPCRX : ARMPseudoExpand<(outs), (ins GPR:$dst),
4545 4, IIC_Br, [(brind GPR:$dst)],
4546 (MOVr PC, GPR:$dst, (ops 14, zero_reg), zero_reg)>,
4547 Requires<[IsARM, NoV4T]>;
4549 // Large immediate handling.
4551 // 32-bit immediate using two piece so_imms or movw + movt.
4552 // This is a single pseudo instruction, the benefit is that it can be remat'd
4553 // as a single unit instead of having to handle reg inputs.
4554 // FIXME: Remove this when we can do generalized remat.
4555 let isReMaterializable = 1, isMoveImm = 1 in
4556 def MOVi32imm : PseudoInst<(outs GPR:$dst), (ins i32imm:$src), IIC_iMOVix2,
4557 [(set GPR:$dst, (arm_i32imm:$src))]>,
4560 // Pseudo instruction that combines movw + movt + add pc (if PIC).
4561 // It also makes it possible to rematerialize the instructions.
4562 // FIXME: Remove this when we can do generalized remat and when machine licm
4563 // can properly the instructions.
4564 let isReMaterializable = 1 in {
4565 def MOV_ga_pcrel : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
4567 [(set GPR:$dst, (ARMWrapperPIC tglobaladdr:$addr))]>,
4568 Requires<[IsARM, UseMovt]>;
4570 def MOV_ga_dyn : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
4572 [(set GPR:$dst, (ARMWrapperDYN tglobaladdr:$addr))]>,
4573 Requires<[IsARM, UseMovt]>;
4575 let AddedComplexity = 10 in
4576 def MOV_ga_pcrel_ldr : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
4578 [(set GPR:$dst, (load (ARMWrapperPIC tglobaladdr:$addr)))]>,
4579 Requires<[IsARM, UseMovt]>;
4580 } // isReMaterializable
4582 // ConstantPool, GlobalAddress, and JumpTable
4583 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>,
4584 Requires<[IsARM, DontUseMovt]>;
4585 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
4586 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
4587 Requires<[IsARM, UseMovt]>;
4588 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
4589 (LEApcrelJT tjumptable:$dst, imm:$id)>;
4591 // TODO: add,sub,and, 3-instr forms?
4594 def : ARMPat<(ARMtcret tcGPR:$dst),
4595 (TCRETURNri tcGPR:$dst)>, Requires<[IsDarwin]>;
4597 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
4598 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
4600 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
4601 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
4603 def : ARMPat<(ARMtcret tcGPR:$dst),
4604 (TCRETURNriND tcGPR:$dst)>, Requires<[IsNotDarwin]>;
4606 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
4607 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
4609 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
4610 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
4613 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>,
4614 Requires<[IsARM, IsNotDarwin]>;
4615 def : ARMPat<(ARMcall texternalsym:$func), (BLr9 texternalsym:$func)>,
4616 Requires<[IsARM, IsDarwin]>;
4618 // zextload i1 -> zextload i8
4619 def : ARMPat<(zextloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
4620 def : ARMPat<(zextloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
4622 // extload -> zextload
4623 def : ARMPat<(extloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
4624 def : ARMPat<(extloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
4625 def : ARMPat<(extloadi8 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
4626 def : ARMPat<(extloadi8 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
4628 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
4630 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
4631 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
4634 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
4635 (sra (shl GPR:$b, (i32 16)), (i32 16))),
4636 (SMULBB GPR:$a, GPR:$b)>;
4637 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
4638 (SMULBB GPR:$a, GPR:$b)>;
4639 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
4640 (sra GPR:$b, (i32 16))),
4641 (SMULBT GPR:$a, GPR:$b)>;
4642 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
4643 (SMULBT GPR:$a, GPR:$b)>;
4644 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
4645 (sra (shl GPR:$b, (i32 16)), (i32 16))),
4646 (SMULTB GPR:$a, GPR:$b)>;
4647 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
4648 (SMULTB GPR:$a, GPR:$b)>;
4649 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
4651 (SMULWB GPR:$a, GPR:$b)>;
4652 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
4653 (SMULWB GPR:$a, GPR:$b)>;
4655 def : ARMV5TEPat<(add GPR:$acc,
4656 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
4657 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
4658 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
4659 def : ARMV5TEPat<(add GPR:$acc,
4660 (mul sext_16_node:$a, sext_16_node:$b)),
4661 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
4662 def : ARMV5TEPat<(add GPR:$acc,
4663 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
4664 (sra GPR:$b, (i32 16)))),
4665 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
4666 def : ARMV5TEPat<(add GPR:$acc,
4667 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
4668 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
4669 def : ARMV5TEPat<(add GPR:$acc,
4670 (mul (sra GPR:$a, (i32 16)),
4671 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
4672 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
4673 def : ARMV5TEPat<(add GPR:$acc,
4674 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
4675 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
4676 def : ARMV5TEPat<(add GPR:$acc,
4677 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
4679 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
4680 def : ARMV5TEPat<(add GPR:$acc,
4681 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
4682 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
4685 // Pre-v7 uses MCR for synchronization barriers.
4686 def : ARMPat<(ARMMemBarrierMCR GPR:$zero), (MCR 15, 0, GPR:$zero, 7, 10, 5)>,
4687 Requires<[IsARM, HasV6]>;
4689 // SXT/UXT with no rotate
4690 let AddedComplexity = 16 in {
4691 def : ARMV6Pat<(and GPR:$Src, 0x000000FF), (UXTB GPR:$Src, 0)>;
4692 def : ARMV6Pat<(and GPR:$Src, 0x0000FFFF), (UXTH GPR:$Src, 0)>;
4693 def : ARMV6Pat<(and GPR:$Src, 0x00FF00FF), (UXTB16 GPR:$Src, 0)>;
4694 def : ARMV6Pat<(add GPR:$Rn, (and GPR:$Rm, 0x00FF)),
4695 (UXTAB GPR:$Rn, GPR:$Rm, 0)>;
4696 def : ARMV6Pat<(add GPR:$Rn, (and GPR:$Rm, 0xFFFF)),
4697 (UXTAH GPR:$Rn, GPR:$Rm, 0)>;
4700 def : ARMV6Pat<(sext_inreg GPR:$Src, i8), (SXTB GPR:$Src, 0)>;
4701 def : ARMV6Pat<(sext_inreg GPR:$Src, i16), (SXTH GPR:$Src, 0)>;
4703 def : ARMV6Pat<(add GPR:$Rn, (sext_inreg GPRnopc:$Rm, i8)),
4704 (SXTAB GPR:$Rn, GPRnopc:$Rm, 0)>;
4705 def : ARMV6Pat<(add GPR:$Rn, (sext_inreg GPRnopc:$Rm, i16)),
4706 (SXTAH GPR:$Rn, GPRnopc:$Rm, 0)>;
4708 //===----------------------------------------------------------------------===//
4712 include "ARMInstrThumb.td"
4714 //===----------------------------------------------------------------------===//
4718 include "ARMInstrThumb2.td"
4720 //===----------------------------------------------------------------------===//
4721 // Floating Point Support
4724 include "ARMInstrVFP.td"
4726 //===----------------------------------------------------------------------===//
4727 // Advanced SIMD (NEON) Support
4730 include "ARMInstrNEON.td"
4732 //===----------------------------------------------------------------------===//
4733 // Assembler aliases
4737 def : InstAlias<"dmb", (DMB 0xf)>, Requires<[IsARM, HasDB]>;
4738 def : InstAlias<"dsb", (DSB 0xf)>, Requires<[IsARM, HasDB]>;
4739 def : InstAlias<"isb", (ISB 0xf)>, Requires<[IsARM, HasDB]>;
4741 // System instructions
4742 def : MnemonicAlias<"swi", "svc">;
4744 // Load / Store Multiple
4745 def : MnemonicAlias<"ldmfd", "ldm">;
4746 def : MnemonicAlias<"ldmia", "ldm">;
4747 def : MnemonicAlias<"stmfd", "stmdb">;
4748 def : MnemonicAlias<"stmia", "stm">;
4749 def : MnemonicAlias<"stmea", "stm">;
4751 // PKHBT/PKHTB with default shift amount. PKHTB is equivalent to PKHBT when the
4752 // shift amount is zero (i.e., unspecified).
4753 def : InstAlias<"pkhbt${p} $Rd, $Rn, $Rm",
4754 (PKHBT GPR:$Rd, GPR:$Rn, GPR:$Rm, 0, pred:$p)>;
4755 def : InstAlias<"pkhtb${p} $Rd, $Rn, $Rm",
4756 (PKHBT GPR:$Rd, GPR:$Rn, GPR:$Rm, 0, pred:$p)>;
4758 // PUSH/POP aliases for STM/LDM
4759 def : InstAlias<"push${p} $regs",
4760 (STMDB_UPD SP, pred:$p, reglist:$regs)>;
4761 def : InstAlias<"pop${p} $regs",
4762 (LDMIA_UPD SP, pred:$p, reglist:$regs)>;
4764 // RSB two-operand forms (optional explicit destination operand)
4765 def : InstAlias<"rsb${s}${p} $Rdn, $imm",
4766 (RSBri GPR:$Rdn, GPR:$Rdn, so_imm:$imm, pred:$p, cc_out:$s)>,
4768 def : InstAlias<"rsb${s}${p} $Rdn, $Rm",
4769 (RSBrr GPR:$Rdn, GPR:$Rdn, GPR:$Rm, pred:$p, cc_out:$s)>,
4771 def : InstAlias<"rsb${s}${p} $Rdn, $shift",
4772 (RSBrsi GPR:$Rdn, GPR:$Rdn, so_reg_imm:$shift, pred:$p,
4773 cc_out:$s)>, Requires<[IsARM]>;
4774 def : InstAlias<"rsb${s}${p} $Rdn, $shift",
4775 (RSBrsr GPR:$Rdn, GPR:$Rdn, so_reg_reg:$shift, pred:$p,
4776 cc_out:$s)>, Requires<[IsARM]>;
4777 // RSC two-operand forms (optional explicit destination operand)
4778 def : InstAlias<"rsc${s}${p} $Rdn, $imm",
4779 (RSCri GPR:$Rdn, GPR:$Rdn, so_imm:$imm, pred:$p, cc_out:$s)>,
4781 def : InstAlias<"rsc${s}${p} $Rdn, $Rm",
4782 (RSCrr GPR:$Rdn, GPR:$Rdn, GPR:$Rm, pred:$p, cc_out:$s)>,
4784 def : InstAlias<"rsc${s}${p} $Rdn, $shift",
4785 (RSCrsi GPR:$Rdn, GPR:$Rdn, so_reg_imm:$shift, pred:$p,
4786 cc_out:$s)>, Requires<[IsARM]>;
4787 def : InstAlias<"rsc${s}${p} $Rdn, $shift",
4788 (RSCrsr GPR:$Rdn, GPR:$Rdn, so_reg_reg:$shift, pred:$p,
4789 cc_out:$s)>, Requires<[IsARM]>;
4791 // SSAT/USAT optional shift operand.
4792 def : InstAlias<"ssat${p} $Rd, $sat_imm, $Rn",
4793 (SSAT GPRnopc:$Rd, imm1_32:$sat_imm, GPRnopc:$Rn, 0, pred:$p)>;
4794 def : InstAlias<"usat${p} $Rd, $sat_imm, $Rn",
4795 (USAT GPRnopc:$Rd, imm0_31:$sat_imm, GPRnopc:$Rn, 0, pred:$p)>;
4798 // Extend instruction optional rotate operand.
4799 def : InstAlias<"sxtab${p} $Rd, $Rn, $Rm",
4800 (SXTAB GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
4801 def : InstAlias<"sxtah${p} $Rd, $Rn, $Rm",
4802 (SXTAH GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
4803 def : InstAlias<"sxtab16${p} $Rd, $Rn, $Rm",
4804 (SXTAB16 GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
4805 def : InstAlias<"sxtb${p} $Rd, $Rm",
4806 (SXTB GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
4807 def : InstAlias<"sxtb16${p} $Rd, $Rm",
4808 (SXTB16 GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
4809 def : InstAlias<"sxth${p} $Rd, $Rm",
4810 (SXTH GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
4812 def : InstAlias<"uxtab${p} $Rd, $Rn, $Rm",
4813 (UXTAB GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
4814 def : InstAlias<"uxtah${p} $Rd, $Rn, $Rm",
4815 (UXTAH GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
4816 def : InstAlias<"uxtab16${p} $Rd, $Rn, $Rm",
4817 (UXTAB16 GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
4818 def : InstAlias<"uxtb${p} $Rd, $Rm",
4819 (UXTB GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
4820 def : InstAlias<"uxtb16${p} $Rd, $Rm",
4821 (UXTB16 GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
4822 def : InstAlias<"uxth${p} $Rd, $Rm",
4823 (UXTH GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
4827 def : MnemonicAlias<"rfefa", "rfeda">;
4828 def : MnemonicAlias<"rfeea", "rfedb">;
4829 def : MnemonicAlias<"rfefd", "rfeia">;
4830 def : MnemonicAlias<"rfeed", "rfeib">;
4831 def : MnemonicAlias<"rfe", "rfeia">;
4834 def : MnemonicAlias<"srsfa", "srsda">;
4835 def : MnemonicAlias<"srsea", "srsdb">;
4836 def : MnemonicAlias<"srsfd", "srsia">;
4837 def : MnemonicAlias<"srsed", "srsib">;
4838 def : MnemonicAlias<"srs", "srsia">;
4840 // LDRSBT/LDRHT/LDRSHT post-index offset if optional.
4841 // Note that the write-back output register is a dummy operand for MC (it's
4842 // only meaningful for codegen), so we just pass zero here.
4843 // FIXME: tblgen not cooperating with argument conversions.
4844 //def : InstAlias<"ldrsbt${p} $Rt, $addr",
4845 // (LDRSBTi GPR:$Rt, GPR:$Rt, addr_offset_none:$addr, 0,pred:$p)>;
4846 //def : InstAlias<"ldrht${p} $Rt, $addr",
4847 // (LDRHTi GPR:$Rt, GPR:$Rt, addr_offset_none:$addr, 0, pred:$p)>;
4848 //def : InstAlias<"ldrsht${p} $Rt, $addr",
4849 // (LDRSHTi GPR:$Rt, GPR:$Rt, addr_offset_none:$addr, 0, pred:$p)>;