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), [{ return Imm > 0 && Imm <= 32; }],
588 let PrintMethod = "printImmPlusOneOperand";
589 let ParserMatchClass = Imm1_32AsmOperand;
592 def imm1_16_XFORM: SDNodeXForm<imm, [{
593 return CurDAG->getTargetConstant((int)N->getZExtValue() - 1, MVT::i32);
595 def Imm1_16AsmOperand: AsmOperandClass { let Name = "Imm1_16"; }
596 def imm1_16 : Operand<i32>, PatLeaf<(imm), [{ return Imm > 0 && Imm <= 16; }],
598 let PrintMethod = "printImmPlusOneOperand";
599 let ParserMatchClass = Imm1_16AsmOperand;
602 // Define ARM specific addressing modes.
603 // addrmode_imm12 := reg +/- imm12
605 def MemImm12OffsetAsmOperand : AsmOperandClass { let Name = "MemImm12Offset"; }
606 def addrmode_imm12 : Operand<i32>,
607 ComplexPattern<i32, 2, "SelectAddrModeImm12", []> {
608 // 12-bit immediate operand. Note that instructions using this encode
609 // #0 and #-0 differently. We flag #-0 as the magic value INT32_MIN. All other
610 // immediate values are as normal.
612 let EncoderMethod = "getAddrModeImm12OpValue";
613 let PrintMethod = "printAddrModeImm12Operand";
614 let DecoderMethod = "DecodeAddrModeImm12Operand";
615 let ParserMatchClass = MemImm12OffsetAsmOperand;
616 let MIOperandInfo = (ops GPR:$base, i32imm:$offsimm);
618 // ldst_so_reg := reg +/- reg shop imm
620 def MemRegOffsetAsmOperand : AsmOperandClass { let Name = "MemRegOffset"; }
621 def ldst_so_reg : Operand<i32>,
622 ComplexPattern<i32, 3, "SelectLdStSOReg", []> {
623 let EncoderMethod = "getLdStSORegOpValue";
624 // FIXME: Simplify the printer
625 let PrintMethod = "printAddrMode2Operand";
626 let DecoderMethod = "DecodeSORegMemOperand";
627 let ParserMatchClass = MemRegOffsetAsmOperand;
628 let MIOperandInfo = (ops GPR:$base, GPRnopc:$offsreg, i32imm:$shift);
631 // postidx_imm8 := +/- [0,255]
634 // {8} 1 is imm8 is non-negative. 0 otherwise.
635 // {7-0} [0,255] imm8 value.
636 def PostIdxImm8AsmOperand : AsmOperandClass { let Name = "PostIdxImm8"; }
637 def postidx_imm8 : Operand<i32> {
638 let PrintMethod = "printPostIdxImm8Operand";
639 let ParserMatchClass = PostIdxImm8AsmOperand;
640 let MIOperandInfo = (ops i32imm);
643 // postidx_imm8s4 := +/- [0,1020]
646 // {8} 1 is imm8 is non-negative. 0 otherwise.
647 // {7-0} [0,255] imm8 value, scaled by 4.
648 def postidx_imm8s4 : Operand<i32> {
649 let PrintMethod = "printPostIdxImm8s4Operand";
650 let MIOperandInfo = (ops i32imm);
654 // postidx_reg := +/- reg
656 def PostIdxRegAsmOperand : AsmOperandClass {
657 let Name = "PostIdxReg";
658 let ParserMethod = "parsePostIdxReg";
660 def postidx_reg : Operand<i32> {
661 let EncoderMethod = "getPostIdxRegOpValue";
662 let DecoderMethod = "DecodePostIdxReg";
663 let PrintMethod = "printPostIdxRegOperand";
664 let ParserMatchClass = PostIdxRegAsmOperand;
665 let MIOperandInfo = (ops GPR, i32imm);
669 // addrmode2 := reg +/- imm12
670 // := reg +/- reg shop imm
672 // FIXME: addrmode2 should be refactored the rest of the way to always
673 // use explicit imm vs. reg versions above (addrmode_imm12 and ldst_so_reg).
674 def AddrMode2AsmOperand : AsmOperandClass { let Name = "AddrMode2"; }
675 def addrmode2 : Operand<i32>,
676 ComplexPattern<i32, 3, "SelectAddrMode2", []> {
677 let EncoderMethod = "getAddrMode2OpValue";
678 let PrintMethod = "printAddrMode2Operand";
679 let ParserMatchClass = AddrMode2AsmOperand;
680 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
683 def PostIdxRegShiftedAsmOperand : AsmOperandClass {
684 let Name = "PostIdxRegShifted";
685 let ParserMethod = "parsePostIdxReg";
687 def am2offset_reg : Operand<i32>,
688 ComplexPattern<i32, 2, "SelectAddrMode2OffsetReg",
689 [], [SDNPWantRoot]> {
690 let EncoderMethod = "getAddrMode2OffsetOpValue";
691 let PrintMethod = "printAddrMode2OffsetOperand";
692 // When using this for assembly, it's always as a post-index offset.
693 let ParserMatchClass = PostIdxRegShiftedAsmOperand;
694 let MIOperandInfo = (ops GPR, i32imm);
697 // FIXME: am2offset_imm should only need the immediate, not the GPR. Having
698 // the GPR is purely vestigal at this point.
699 def AM2OffsetImmAsmOperand : AsmOperandClass { let Name = "AM2OffsetImm"; }
700 def am2offset_imm : Operand<i32>,
701 ComplexPattern<i32, 2, "SelectAddrMode2OffsetImm",
702 [], [SDNPWantRoot]> {
703 let EncoderMethod = "getAddrMode2OffsetOpValue";
704 let PrintMethod = "printAddrMode2OffsetOperand";
705 let ParserMatchClass = AM2OffsetImmAsmOperand;
706 let MIOperandInfo = (ops GPR, i32imm);
710 // addrmode3 := reg +/- reg
711 // addrmode3 := reg +/- imm8
713 // FIXME: split into imm vs. reg versions.
714 def AddrMode3AsmOperand : AsmOperandClass { let Name = "AddrMode3"; }
715 def addrmode3 : Operand<i32>,
716 ComplexPattern<i32, 3, "SelectAddrMode3", []> {
717 let EncoderMethod = "getAddrMode3OpValue";
718 let PrintMethod = "printAddrMode3Operand";
719 let ParserMatchClass = AddrMode3AsmOperand;
720 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
723 // FIXME: split into imm vs. reg versions.
724 // FIXME: parser method to handle +/- register.
725 def AM3OffsetAsmOperand : AsmOperandClass {
726 let Name = "AM3Offset";
727 let ParserMethod = "parseAM3Offset";
729 def am3offset : Operand<i32>,
730 ComplexPattern<i32, 2, "SelectAddrMode3Offset",
731 [], [SDNPWantRoot]> {
732 let EncoderMethod = "getAddrMode3OffsetOpValue";
733 let PrintMethod = "printAddrMode3OffsetOperand";
734 let ParserMatchClass = AM3OffsetAsmOperand;
735 let MIOperandInfo = (ops GPR, i32imm);
738 // ldstm_mode := {ia, ib, da, db}
740 def ldstm_mode : OptionalDefOperand<OtherVT, (ops i32), (ops (i32 1))> {
741 let EncoderMethod = "getLdStmModeOpValue";
742 let PrintMethod = "printLdStmModeOperand";
745 // addrmode5 := reg +/- imm8*4
747 def AddrMode5AsmOperand : AsmOperandClass { let Name = "AddrMode5"; }
748 def addrmode5 : Operand<i32>,
749 ComplexPattern<i32, 2, "SelectAddrMode5", []> {
750 let PrintMethod = "printAddrMode5Operand";
751 let EncoderMethod = "getAddrMode5OpValue";
752 let DecoderMethod = "DecodeAddrMode5Operand";
753 let ParserMatchClass = AddrMode5AsmOperand;
754 let MIOperandInfo = (ops GPR:$base, i32imm);
757 // addrmode6 := reg with optional alignment
759 def addrmode6 : Operand<i32>,
760 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
761 let PrintMethod = "printAddrMode6Operand";
762 let MIOperandInfo = (ops GPR:$addr, i32imm);
763 let EncoderMethod = "getAddrMode6AddressOpValue";
764 let DecoderMethod = "DecodeAddrMode6Operand";
767 def am6offset : Operand<i32>,
768 ComplexPattern<i32, 1, "SelectAddrMode6Offset",
769 [], [SDNPWantRoot]> {
770 let PrintMethod = "printAddrMode6OffsetOperand";
771 let MIOperandInfo = (ops GPR);
772 let EncoderMethod = "getAddrMode6OffsetOpValue";
773 let DecoderMethod = "DecodeGPRRegisterClass";
776 // Special version of addrmode6 to handle alignment encoding for VST1/VLD1
777 // (single element from one lane) for size 32.
778 def addrmode6oneL32 : Operand<i32>,
779 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
780 let PrintMethod = "printAddrMode6Operand";
781 let MIOperandInfo = (ops GPR:$addr, i32imm);
782 let EncoderMethod = "getAddrMode6OneLane32AddressOpValue";
785 // Special version of addrmode6 to handle alignment encoding for VLD-dup
786 // instructions, specifically VLD4-dup.
787 def addrmode6dup : Operand<i32>,
788 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
789 let PrintMethod = "printAddrMode6Operand";
790 let MIOperandInfo = (ops GPR:$addr, i32imm);
791 let EncoderMethod = "getAddrMode6DupAddressOpValue";
794 // addrmodepc := pc + reg
796 def addrmodepc : Operand<i32>,
797 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
798 let PrintMethod = "printAddrModePCOperand";
799 let MIOperandInfo = (ops GPR, i32imm);
802 // addr_offset_none := reg
804 def MemNoOffsetAsmOperand : AsmOperandClass { let Name = "MemNoOffset"; }
805 def addr_offset_none : Operand<i32>,
806 ComplexPattern<i32, 1, "SelectAddrOffsetNone", []> {
807 let PrintMethod = "printAddrMode7Operand";
808 let DecoderMethod = "DecodeAddrMode7Operand";
809 let ParserMatchClass = MemNoOffsetAsmOperand;
810 let MIOperandInfo = (ops GPR:$base);
813 def nohash_imm : Operand<i32> {
814 let PrintMethod = "printNoHashImmediate";
817 def CoprocNumAsmOperand : AsmOperandClass {
818 let Name = "CoprocNum";
819 let ParserMethod = "parseCoprocNumOperand";
821 def p_imm : Operand<i32> {
822 let PrintMethod = "printPImmediate";
823 let ParserMatchClass = CoprocNumAsmOperand;
824 let DecoderMethod = "DecodeCoprocessor";
827 def CoprocRegAsmOperand : AsmOperandClass {
828 let Name = "CoprocReg";
829 let ParserMethod = "parseCoprocRegOperand";
831 def c_imm : Operand<i32> {
832 let PrintMethod = "printCImmediate";
833 let ParserMatchClass = CoprocRegAsmOperand;
836 //===----------------------------------------------------------------------===//
838 include "ARMInstrFormats.td"
840 //===----------------------------------------------------------------------===//
841 // Multiclass helpers...
844 /// AsI1_bin_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns for a
845 /// binop that produces a value.
846 multiclass AsI1_bin_irs<bits<4> opcod, string opc,
847 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
848 PatFrag opnode, string baseOpc, bit Commutable = 0> {
849 // The register-immediate version is re-materializable. This is useful
850 // in particular for taking the address of a local.
851 let isReMaterializable = 1 in {
852 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
853 iii, opc, "\t$Rd, $Rn, $imm",
854 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]> {
859 let Inst{19-16} = Rn;
860 let Inst{15-12} = Rd;
861 let Inst{11-0} = imm;
864 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
865 iir, opc, "\t$Rd, $Rn, $Rm",
866 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
871 let isCommutable = Commutable;
872 let Inst{19-16} = Rn;
873 let Inst{15-12} = Rd;
874 let Inst{11-4} = 0b00000000;
878 def rsi : AsI1<opcod, (outs GPR:$Rd),
879 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm,
880 iis, opc, "\t$Rd, $Rn, $shift",
881 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_imm:$shift))]> {
886 let Inst{19-16} = Rn;
887 let Inst{15-12} = Rd;
888 let Inst{11-5} = shift{11-5};
890 let Inst{3-0} = shift{3-0};
893 def rsr : AsI1<opcod, (outs GPR:$Rd),
894 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm,
895 iis, opc, "\t$Rd, $Rn, $shift",
896 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_reg:$shift))]> {
901 let Inst{19-16} = Rn;
902 let Inst{15-12} = Rd;
903 let Inst{11-8} = shift{11-8};
905 let Inst{6-5} = shift{6-5};
907 let Inst{3-0} = shift{3-0};
910 // Assembly aliases for optional destination operand when it's the same
911 // as the source operand.
912 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $imm"),
913 (!cast<Instruction>(!strconcat(baseOpc, "ri")) GPR:$Rdn, GPR:$Rdn,
914 so_imm:$imm, pred:$p,
917 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $Rm"),
918 (!cast<Instruction>(!strconcat(baseOpc, "rr")) GPR:$Rdn, GPR:$Rdn,
922 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
923 (!cast<Instruction>(!strconcat(baseOpc, "rsi")) GPR:$Rdn, GPR:$Rdn,
924 so_reg_imm:$shift, pred:$p,
927 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
928 (!cast<Instruction>(!strconcat(baseOpc, "rsr")) GPR:$Rdn, GPR:$Rdn,
929 so_reg_reg:$shift, pred:$p,
935 /// AI1_bin_s_irs - Similar to AsI1_bin_irs except it sets the 's' bit so the
936 /// instruction modifies the CPSR register.
937 let isCodeGenOnly = 1, Defs = [CPSR] in {
938 multiclass AI1_bin_s_irs<bits<4> opcod, string opc,
939 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
940 PatFrag opnode, bit Commutable = 0> {
941 def ri : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
942 iii, opc, "\t$Rd, $Rn, $imm",
943 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]> {
949 let Inst{19-16} = Rn;
950 let Inst{15-12} = Rd;
951 let Inst{11-0} = imm;
953 def rr : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
954 iir, opc, "\t$Rd, $Rn, $Rm",
955 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
959 let isCommutable = Commutable;
962 let Inst{19-16} = Rn;
963 let Inst{15-12} = Rd;
964 let Inst{11-4} = 0b00000000;
967 def rsi : AI1<opcod, (outs GPR:$Rd),
968 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm,
969 iis, opc, "\t$Rd, $Rn, $shift",
970 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_imm:$shift))]> {
976 let Inst{19-16} = Rn;
977 let Inst{15-12} = Rd;
978 let Inst{11-5} = shift{11-5};
980 let Inst{3-0} = shift{3-0};
983 def rsr : AI1<opcod, (outs GPR:$Rd),
984 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm,
985 iis, opc, "\t$Rd, $Rn, $shift",
986 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_reg:$shift))]> {
992 let Inst{19-16} = Rn;
993 let Inst{15-12} = Rd;
994 let Inst{11-8} = shift{11-8};
996 let Inst{6-5} = shift{6-5};
998 let Inst{3-0} = shift{3-0};
1003 /// AI1_cmp_irs - Defines a set of (op r, {so_imm|r|so_reg}) cmp / test
1004 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
1005 /// a explicit result, only implicitly set CPSR.
1006 let isCompare = 1, Defs = [CPSR] in {
1007 multiclass AI1_cmp_irs<bits<4> opcod, string opc,
1008 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
1009 PatFrag opnode, bit Commutable = 0> {
1010 def ri : AI1<opcod, (outs), (ins GPR:$Rn, so_imm:$imm), DPFrm, iii,
1012 [(opnode GPR:$Rn, so_imm:$imm)]> {
1017 let Inst{19-16} = Rn;
1018 let Inst{15-12} = 0b0000;
1019 let Inst{11-0} = imm;
1021 def rr : AI1<opcod, (outs), (ins GPR:$Rn, GPR:$Rm), DPFrm, iir,
1023 [(opnode GPR:$Rn, GPR:$Rm)]> {
1026 let isCommutable = Commutable;
1029 let Inst{19-16} = Rn;
1030 let Inst{15-12} = 0b0000;
1031 let Inst{11-4} = 0b00000000;
1034 def rsi : AI1<opcod, (outs),
1035 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm, iis,
1036 opc, "\t$Rn, $shift",
1037 [(opnode GPR:$Rn, so_reg_imm:$shift)]> {
1042 let Inst{19-16} = Rn;
1043 let Inst{15-12} = 0b0000;
1044 let Inst{11-5} = shift{11-5};
1046 let Inst{3-0} = shift{3-0};
1048 def rsr : AI1<opcod, (outs),
1049 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm, iis,
1050 opc, "\t$Rn, $shift",
1051 [(opnode GPR:$Rn, so_reg_reg:$shift)]> {
1056 let Inst{19-16} = Rn;
1057 let Inst{15-12} = 0b0000;
1058 let Inst{11-8} = shift{11-8};
1060 let Inst{6-5} = shift{6-5};
1062 let Inst{3-0} = shift{3-0};
1068 /// AI_ext_rrot - A unary operation with two forms: one whose operand is a
1069 /// register and one whose operand is a register rotated by 8/16/24.
1070 /// FIXME: Remove the 'r' variant. Its rot_imm is zero.
1071 class AI_ext_rrot<bits<8> opcod, string opc, PatFrag opnode>
1072 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPRnopc:$Rm, rot_imm:$rot),
1073 IIC_iEXTr, opc, "\t$Rd, $Rm$rot",
1074 [(set GPRnopc:$Rd, (opnode (rotr GPRnopc:$Rm, rot_imm:$rot)))]>,
1075 Requires<[IsARM, HasV6]> {
1079 let Inst{19-16} = 0b1111;
1080 let Inst{15-12} = Rd;
1081 let Inst{11-10} = rot;
1085 class AI_ext_rrot_np<bits<8> opcod, string opc>
1086 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPRnopc:$Rm, rot_imm:$rot),
1087 IIC_iEXTr, opc, "\t$Rd, $Rm$rot", []>,
1088 Requires<[IsARM, HasV6]> {
1090 let Inst{19-16} = 0b1111;
1091 let Inst{11-10} = rot;
1094 /// AI_exta_rrot - A binary operation with two forms: one whose operand is a
1095 /// register and one whose operand is a register rotated by 8/16/24.
1096 class AI_exta_rrot<bits<8> opcod, string opc, PatFrag opnode>
1097 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPR:$Rn, GPRnopc:$Rm, rot_imm:$rot),
1098 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm$rot",
1099 [(set GPRnopc:$Rd, (opnode GPR:$Rn,
1100 (rotr GPRnopc:$Rm, rot_imm:$rot)))]>,
1101 Requires<[IsARM, HasV6]> {
1106 let Inst{19-16} = Rn;
1107 let Inst{15-12} = Rd;
1108 let Inst{11-10} = rot;
1109 let Inst{9-4} = 0b000111;
1113 class AI_exta_rrot_np<bits<8> opcod, string opc>
1114 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPR:$Rn, GPRnopc:$Rm, rot_imm:$rot),
1115 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm$rot", []>,
1116 Requires<[IsARM, HasV6]> {
1119 let Inst{19-16} = Rn;
1120 let Inst{11-10} = rot;
1123 /// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
1124 multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode,
1125 string baseOpc, bit Commutable = 0> {
1126 let Uses = [CPSR] in {
1127 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
1128 DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
1129 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>,
1135 let Inst{15-12} = Rd;
1136 let Inst{19-16} = Rn;
1137 let Inst{11-0} = imm;
1139 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
1140 DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
1141 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
1146 let Inst{11-4} = 0b00000000;
1148 let isCommutable = Commutable;
1150 let Inst{15-12} = Rd;
1151 let Inst{19-16} = Rn;
1153 def rsi : AsI1<opcod, (outs GPR:$Rd),
1154 (ins GPR:$Rn, so_reg_imm:$shift),
1155 DPSoRegImmFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1156 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_imm:$shift))]>,
1162 let Inst{19-16} = Rn;
1163 let Inst{15-12} = Rd;
1164 let Inst{11-5} = shift{11-5};
1166 let Inst{3-0} = shift{3-0};
1168 def rsr : AsI1<opcod, (outs GPR:$Rd),
1169 (ins GPR:$Rn, so_reg_reg:$shift),
1170 DPSoRegRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1171 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_reg:$shift))]>,
1177 let Inst{19-16} = Rn;
1178 let Inst{15-12} = Rd;
1179 let Inst{11-8} = shift{11-8};
1181 let Inst{6-5} = shift{6-5};
1183 let Inst{3-0} = shift{3-0};
1186 // Assembly aliases for optional destination operand when it's the same
1187 // as the source operand.
1188 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $imm"),
1189 (!cast<Instruction>(!strconcat(baseOpc, "ri")) GPR:$Rdn, GPR:$Rdn,
1190 so_imm:$imm, pred:$p,
1193 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $Rm"),
1194 (!cast<Instruction>(!strconcat(baseOpc, "rr")) GPR:$Rdn, GPR:$Rdn,
1198 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
1199 (!cast<Instruction>(!strconcat(baseOpc, "rsi")) GPR:$Rdn, GPR:$Rdn,
1200 so_reg_imm:$shift, pred:$p,
1203 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
1204 (!cast<Instruction>(!strconcat(baseOpc, "rsr")) GPR:$Rdn, GPR:$Rdn,
1205 so_reg_reg:$shift, pred:$p,
1210 // Carry setting variants
1211 // NOTE: CPSR def omitted because it will be handled by the custom inserter.
1212 let usesCustomInserter = 1 in {
1213 multiclass AI1_adde_sube_s_irs<PatFrag opnode, bit Commutable = 0> {
1214 def ri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
1216 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>;
1217 def rr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
1219 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
1220 let isCommutable = Commutable;
1222 def rsi : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg_imm:$shift),
1224 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_imm:$shift))]>;
1225 def rsr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg_reg:$shift),
1227 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_reg:$shift))]>;
1231 let canFoldAsLoad = 1, isReMaterializable = 1 in {
1232 multiclass AI_ldr1<bit isByte, string opc, InstrItinClass iii,
1233 InstrItinClass iir, PatFrag opnode> {
1234 // Note: We use the complex addrmode_imm12 rather than just an input
1235 // GPR and a constrained immediate so that we can use this to match
1236 // frame index references and avoid matching constant pool references.
1237 def i12: AI2ldst<0b010, 1, isByte, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
1238 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
1239 [(set GPR:$Rt, (opnode addrmode_imm12:$addr))]> {
1242 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1243 let Inst{19-16} = addr{16-13}; // Rn
1244 let Inst{15-12} = Rt;
1245 let Inst{11-0} = addr{11-0}; // imm12
1247 def rs : AI2ldst<0b011, 1, isByte, (outs GPR:$Rt), (ins ldst_so_reg:$shift),
1248 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
1249 [(set GPR:$Rt, (opnode ldst_so_reg:$shift))]> {
1252 let shift{4} = 0; // Inst{4} = 0
1253 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1254 let Inst{19-16} = shift{16-13}; // Rn
1255 let Inst{15-12} = Rt;
1256 let Inst{11-0} = shift{11-0};
1261 let canFoldAsLoad = 1, isReMaterializable = 1 in {
1262 multiclass AI_ldr1nopc<bit isByte, string opc, InstrItinClass iii,
1263 InstrItinClass iir, PatFrag opnode> {
1264 // Note: We use the complex addrmode_imm12 rather than just an input
1265 // GPR and a constrained immediate so that we can use this to match
1266 // frame index references and avoid matching constant pool references.
1267 def i12: AI2ldst<0b010, 1, isByte, (outs GPRnopc:$Rt), (ins addrmode_imm12:$addr),
1268 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
1269 [(set GPRnopc:$Rt, (opnode addrmode_imm12:$addr))]> {
1272 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1273 let Inst{19-16} = addr{16-13}; // Rn
1274 let Inst{15-12} = Rt;
1275 let Inst{11-0} = addr{11-0}; // imm12
1277 def rs : AI2ldst<0b011, 1, isByte, (outs GPRnopc:$Rt), (ins ldst_so_reg:$shift),
1278 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
1279 [(set GPRnopc:$Rt, (opnode ldst_so_reg:$shift))]> {
1282 let shift{4} = 0; // Inst{4} = 0
1283 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1284 let Inst{19-16} = shift{16-13}; // Rn
1285 let Inst{15-12} = Rt;
1286 let Inst{11-0} = shift{11-0};
1292 multiclass AI_str1<bit isByte, string opc, InstrItinClass iii,
1293 InstrItinClass iir, PatFrag opnode> {
1294 // Note: We use the complex addrmode_imm12 rather than just an input
1295 // GPR and a constrained immediate so that we can use this to match
1296 // frame index references and avoid matching constant pool references.
1297 def i12 : AI2ldst<0b010, 0, isByte, (outs),
1298 (ins GPR:$Rt, addrmode_imm12:$addr),
1299 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
1300 [(opnode GPR:$Rt, addrmode_imm12:$addr)]> {
1303 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1304 let Inst{19-16} = addr{16-13}; // Rn
1305 let Inst{15-12} = Rt;
1306 let Inst{11-0} = addr{11-0}; // imm12
1308 def rs : AI2ldst<0b011, 0, isByte, (outs), (ins GPR:$Rt, ldst_so_reg:$shift),
1309 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
1310 [(opnode GPR:$Rt, ldst_so_reg:$shift)]> {
1313 let shift{4} = 0; // Inst{4} = 0
1314 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1315 let Inst{19-16} = shift{16-13}; // Rn
1316 let Inst{15-12} = Rt;
1317 let Inst{11-0} = shift{11-0};
1321 multiclass AI_str1nopc<bit isByte, string opc, InstrItinClass iii,
1322 InstrItinClass iir, PatFrag opnode> {
1323 // Note: We use the complex addrmode_imm12 rather than just an input
1324 // GPR and a constrained immediate so that we can use this to match
1325 // frame index references and avoid matching constant pool references.
1326 def i12 : AI2ldst<0b010, 0, isByte, (outs),
1327 (ins GPRnopc:$Rt, addrmode_imm12:$addr),
1328 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
1329 [(opnode GPRnopc:$Rt, addrmode_imm12:$addr)]> {
1332 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1333 let Inst{19-16} = addr{16-13}; // Rn
1334 let Inst{15-12} = Rt;
1335 let Inst{11-0} = addr{11-0}; // imm12
1337 def rs : AI2ldst<0b011, 0, isByte, (outs), (ins GPRnopc:$Rt, ldst_so_reg:$shift),
1338 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
1339 [(opnode GPRnopc:$Rt, ldst_so_reg:$shift)]> {
1342 let shift{4} = 0; // Inst{4} = 0
1343 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1344 let Inst{19-16} = shift{16-13}; // Rn
1345 let Inst{15-12} = Rt;
1346 let Inst{11-0} = shift{11-0};
1351 //===----------------------------------------------------------------------===//
1353 //===----------------------------------------------------------------------===//
1355 //===----------------------------------------------------------------------===//
1356 // Miscellaneous Instructions.
1359 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
1360 /// the function. The first operand is the ID# for this instruction, the second
1361 /// is the index into the MachineConstantPool that this is, the third is the
1362 /// size in bytes of this constant pool entry.
1363 let neverHasSideEffects = 1, isNotDuplicable = 1 in
1364 def CONSTPOOL_ENTRY :
1365 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
1366 i32imm:$size), NoItinerary, []>;
1368 // FIXME: Marking these as hasSideEffects is necessary to prevent machine DCE
1369 // from removing one half of the matched pairs. That breaks PEI, which assumes
1370 // these will always be in pairs, and asserts if it finds otherwise. Better way?
1371 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
1372 def ADJCALLSTACKUP :
1373 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary,
1374 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
1376 def ADJCALLSTACKDOWN :
1377 PseudoInst<(outs), (ins i32imm:$amt, pred:$p), NoItinerary,
1378 [(ARMcallseq_start timm:$amt)]>;
1381 def NOP : AI<(outs), (ins), MiscFrm, NoItinerary, "nop", "", []>,
1382 Requires<[IsARM, HasV6T2]> {
1383 let Inst{27-16} = 0b001100100000;
1384 let Inst{15-8} = 0b11110000;
1385 let Inst{7-0} = 0b00000000;
1388 def YIELD : AI<(outs), (ins), MiscFrm, NoItinerary, "yield", "", []>,
1389 Requires<[IsARM, HasV6T2]> {
1390 let Inst{27-16} = 0b001100100000;
1391 let Inst{15-8} = 0b11110000;
1392 let Inst{7-0} = 0b00000001;
1395 def WFE : AI<(outs), (ins), MiscFrm, NoItinerary, "wfe", "", []>,
1396 Requires<[IsARM, HasV6T2]> {
1397 let Inst{27-16} = 0b001100100000;
1398 let Inst{15-8} = 0b11110000;
1399 let Inst{7-0} = 0b00000010;
1402 def WFI : AI<(outs), (ins), MiscFrm, NoItinerary, "wfi", "", []>,
1403 Requires<[IsARM, HasV6T2]> {
1404 let Inst{27-16} = 0b001100100000;
1405 let Inst{15-8} = 0b11110000;
1406 let Inst{7-0} = 0b00000011;
1409 def SEL : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm, NoItinerary, "sel",
1410 "\t$Rd, $Rn, $Rm", []>, Requires<[IsARM, HasV6]> {
1415 let Inst{15-12} = Rd;
1416 let Inst{19-16} = Rn;
1417 let Inst{27-20} = 0b01101000;
1418 let Inst{7-4} = 0b1011;
1419 let Inst{11-8} = 0b1111;
1422 def SEV : AI<(outs), (ins), MiscFrm, NoItinerary, "sev", "",
1423 []>, Requires<[IsARM, HasV6T2]> {
1424 let Inst{27-16} = 0b001100100000;
1425 let Inst{15-8} = 0b11110000;
1426 let Inst{7-0} = 0b00000100;
1429 // The i32imm operand $val can be used by a debugger to store more information
1430 // about the breakpoint.
1431 def BKPT : AI<(outs), (ins imm0_65535:$val), MiscFrm, NoItinerary,
1432 "bkpt", "\t$val", []>, Requires<[IsARM]> {
1434 let Inst{3-0} = val{3-0};
1435 let Inst{19-8} = val{15-4};
1436 let Inst{27-20} = 0b00010010;
1437 let Inst{7-4} = 0b0111;
1440 // Change Processor State
1441 // FIXME: We should use InstAlias to handle the optional operands.
1442 class CPS<dag iops, string asm_ops>
1443 : AXI<(outs), iops, MiscFrm, NoItinerary, !strconcat("cps", asm_ops),
1444 []>, Requires<[IsARM]> {
1450 let Inst{31-28} = 0b1111;
1451 let Inst{27-20} = 0b00010000;
1452 let Inst{19-18} = imod;
1453 let Inst{17} = M; // Enabled if mode is set;
1455 let Inst{8-6} = iflags;
1457 let Inst{4-0} = mode;
1460 let DecoderMethod = "DecodeCPSInstruction" in {
1462 def CPS3p : CPS<(ins imod_op:$imod, iflags_op:$iflags, imm0_31:$mode),
1463 "$imod\t$iflags, $mode">;
1464 let mode = 0, M = 0 in
1465 def CPS2p : CPS<(ins imod_op:$imod, iflags_op:$iflags), "$imod\t$iflags">;
1467 let imod = 0, iflags = 0, M = 1 in
1468 def CPS1p : CPS<(ins imm0_31:$mode), "\t$mode">;
1471 // Preload signals the memory system of possible future data/instruction access.
1472 multiclass APreLoad<bits<1> read, bits<1> data, string opc> {
1474 def i12 : AXI<(outs), (ins addrmode_imm12:$addr), MiscFrm, IIC_Preload,
1475 !strconcat(opc, "\t$addr"),
1476 [(ARMPreload addrmode_imm12:$addr, (i32 read), (i32 data))]> {
1479 let Inst{31-26} = 0b111101;
1480 let Inst{25} = 0; // 0 for immediate form
1481 let Inst{24} = data;
1482 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1483 let Inst{22} = read;
1484 let Inst{21-20} = 0b01;
1485 let Inst{19-16} = addr{16-13}; // Rn
1486 let Inst{15-12} = 0b1111;
1487 let Inst{11-0} = addr{11-0}; // imm12
1490 def rs : AXI<(outs), (ins ldst_so_reg:$shift), MiscFrm, IIC_Preload,
1491 !strconcat(opc, "\t$shift"),
1492 [(ARMPreload ldst_so_reg:$shift, (i32 read), (i32 data))]> {
1494 let Inst{31-26} = 0b111101;
1495 let Inst{25} = 1; // 1 for register form
1496 let Inst{24} = data;
1497 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1498 let Inst{22} = read;
1499 let Inst{21-20} = 0b01;
1500 let Inst{19-16} = shift{16-13}; // Rn
1501 let Inst{15-12} = 0b1111;
1502 let Inst{11-0} = shift{11-0};
1506 defm PLD : APreLoad<1, 1, "pld">, Requires<[IsARM]>;
1507 defm PLDW : APreLoad<0, 1, "pldw">, Requires<[IsARM,HasV7,HasMP]>;
1508 defm PLI : APreLoad<1, 0, "pli">, Requires<[IsARM,HasV7]>;
1510 def SETEND : AXI<(outs), (ins setend_op:$end), MiscFrm, NoItinerary,
1511 "setend\t$end", []>, Requires<[IsARM]> {
1513 let Inst{31-10} = 0b1111000100000001000000;
1518 def DBG : AI<(outs), (ins imm0_15:$opt), MiscFrm, NoItinerary, "dbg", "\t$opt",
1519 []>, Requires<[IsARM, HasV7]> {
1521 let Inst{27-4} = 0b001100100000111100001111;
1522 let Inst{3-0} = opt;
1525 // A5.4 Permanently UNDEFINED instructions.
1526 let isBarrier = 1, isTerminator = 1 in
1527 def TRAP : AXI<(outs), (ins), MiscFrm, NoItinerary,
1530 let Inst = 0xe7ffdefe;
1533 // Address computation and loads and stores in PIC mode.
1534 let isNotDuplicable = 1 in {
1535 def PICADD : ARMPseudoInst<(outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
1537 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
1539 let AddedComplexity = 10 in {
1540 def PICLDR : ARMPseudoInst<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
1542 [(set GPR:$dst, (load addrmodepc:$addr))]>;
1544 def PICLDRH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1546 [(set GPR:$Rt, (zextloadi16 addrmodepc:$addr))]>;
1548 def PICLDRB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1550 [(set GPR:$Rt, (zextloadi8 addrmodepc:$addr))]>;
1552 def PICLDRSH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1554 [(set GPR:$Rt, (sextloadi16 addrmodepc:$addr))]>;
1556 def PICLDRSB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1558 [(set GPR:$Rt, (sextloadi8 addrmodepc:$addr))]>;
1560 let AddedComplexity = 10 in {
1561 def PICSTR : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1562 4, IIC_iStore_r, [(store GPR:$src, addrmodepc:$addr)]>;
1564 def PICSTRH : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1565 4, IIC_iStore_bh_r, [(truncstorei16 GPR:$src,
1566 addrmodepc:$addr)]>;
1568 def PICSTRB : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1569 4, IIC_iStore_bh_r, [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
1571 } // isNotDuplicable = 1
1574 // LEApcrel - Load a pc-relative address into a register without offending the
1576 let neverHasSideEffects = 1, isReMaterializable = 1 in
1577 // The 'adr' mnemonic encodes differently if the label is before or after
1578 // the instruction. The {24-21} opcode bits are set by the fixup, as we don't
1579 // know until then which form of the instruction will be used.
1580 def ADR : AI1<{0,?,?,0}, (outs GPR:$Rd), (ins adrlabel:$label),
1581 MiscFrm, IIC_iALUi, "adr", "\t$Rd, $label", []> {
1584 let Inst{27-25} = 0b001;
1586 let Inst{19-16} = 0b1111;
1587 let Inst{15-12} = Rd;
1588 let Inst{11-0} = label;
1590 def LEApcrel : ARMPseudoInst<(outs GPR:$Rd), (ins i32imm:$label, pred:$p),
1593 def LEApcrelJT : ARMPseudoInst<(outs GPR:$Rd),
1594 (ins i32imm:$label, nohash_imm:$id, pred:$p),
1597 //===----------------------------------------------------------------------===//
1598 // Control Flow Instructions.
1601 let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
1603 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1604 "bx", "\tlr", [(ARMretflag)]>,
1605 Requires<[IsARM, HasV4T]> {
1606 let Inst{27-0} = 0b0001001011111111111100011110;
1610 def MOVPCLR : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1611 "mov", "\tpc, lr", [(ARMretflag)]>,
1612 Requires<[IsARM, NoV4T]> {
1613 let Inst{27-0} = 0b0001101000001111000000001110;
1617 // Indirect branches
1618 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
1620 def BX : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
1621 [(brind GPR:$dst)]>,
1622 Requires<[IsARM, HasV4T]> {
1624 let Inst{31-4} = 0b1110000100101111111111110001;
1625 let Inst{3-0} = dst;
1628 def BX_pred : AI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br,
1629 "bx", "\t$dst", [/* pattern left blank */]>,
1630 Requires<[IsARM, HasV4T]> {
1632 let Inst{27-4} = 0b000100101111111111110001;
1633 let Inst{3-0} = dst;
1637 // All calls clobber the non-callee saved registers. SP is marked as
1638 // a use to prevent stack-pointer assignments that appear immediately
1639 // before calls from potentially appearing dead.
1641 // On non-Darwin platforms R9 is callee-saved.
1642 // FIXME: Do we really need a non-predicated version? If so, it should
1643 // at least be a pseudo instruction expanding to the predicated version
1644 // at MC lowering time.
1645 Defs = [R0, R1, R2, R3, R12, LR, QQQQ0, QQQQ2, QQQQ3, CPSR, FPSCR],
1647 def BL : ABXI<0b1011, (outs), (ins bl_target:$func, variable_ops),
1648 IIC_Br, "bl\t$func",
1649 [(ARMcall tglobaladdr:$func)]>,
1650 Requires<[IsARM, IsNotDarwin]> {
1651 let Inst{31-28} = 0b1110;
1653 let Inst{23-0} = func;
1656 def BL_pred : ABI<0b1011, (outs), (ins bl_target:$func, variable_ops),
1657 IIC_Br, "bl", "\t$func",
1658 [(ARMcall_pred tglobaladdr:$func)]>,
1659 Requires<[IsARM, IsNotDarwin]> {
1661 let Inst{23-0} = func;
1665 def BLX : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1666 IIC_Br, "blx\t$func",
1667 [(ARMcall GPR:$func)]>,
1668 Requires<[IsARM, HasV5T, IsNotDarwin]> {
1670 let Inst{31-4} = 0b1110000100101111111111110011;
1671 let Inst{3-0} = func;
1674 def BLX_pred : AI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1675 IIC_Br, "blx", "\t$func",
1676 [(ARMcall_pred GPR:$func)]>,
1677 Requires<[IsARM, HasV5T, IsNotDarwin]> {
1679 let Inst{27-4} = 0b000100101111111111110011;
1680 let Inst{3-0} = func;
1684 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1685 def BX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1686 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1687 Requires<[IsARM, HasV4T, IsNotDarwin]>;
1690 def BMOVPCRX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1691 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1692 Requires<[IsARM, NoV4T, IsNotDarwin]>;
1696 // On Darwin R9 is call-clobbered.
1697 // R7 is marked as a use to prevent frame-pointer assignments from being
1698 // moved above / below calls.
1699 Defs = [R0, R1, R2, R3, R9, R12, LR, QQQQ0, QQQQ2, QQQQ3, CPSR, FPSCR],
1700 Uses = [R7, SP] in {
1701 def BLr9 : ARMPseudoExpand<(outs), (ins bl_target:$func, variable_ops),
1703 [(ARMcall tglobaladdr:$func)], (BL bl_target:$func)>,
1704 Requires<[IsARM, IsDarwin]>;
1706 def BLr9_pred : ARMPseudoExpand<(outs),
1707 (ins bl_target:$func, pred:$p, variable_ops),
1709 [(ARMcall_pred tglobaladdr:$func)],
1710 (BL_pred bl_target:$func, pred:$p)>,
1711 Requires<[IsARM, IsDarwin]>;
1714 def BLXr9 : ARMPseudoExpand<(outs), (ins GPR:$func, variable_ops),
1716 [(ARMcall GPR:$func)],
1718 Requires<[IsARM, HasV5T, IsDarwin]>;
1720 def BLXr9_pred: ARMPseudoExpand<(outs), (ins GPR:$func, pred:$p,variable_ops),
1722 [(ARMcall_pred GPR:$func)],
1723 (BLX_pred GPR:$func, pred:$p)>,
1724 Requires<[IsARM, HasV5T, IsDarwin]>;
1727 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1728 def BXr9_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1729 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1730 Requires<[IsARM, HasV4T, IsDarwin]>;
1733 def BMOVPCRXr9_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1734 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1735 Requires<[IsARM, NoV4T, IsDarwin]>;
1738 let isBranch = 1, isTerminator = 1 in {
1739 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
1740 // a two-value operand where a dag node expects two operands. :(
1741 def Bcc : ABI<0b1010, (outs), (ins br_target:$target),
1742 IIC_Br, "b", "\t$target",
1743 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]> {
1745 let Inst{23-0} = target;
1746 let DecoderMethod = "DecodeBranchImmInstruction";
1749 let isBarrier = 1 in {
1750 // B is "predicable" since it's just a Bcc with an 'always' condition.
1751 let isPredicable = 1 in
1752 // FIXME: We shouldn't need this pseudo at all. Just using Bcc directly
1753 // should be sufficient.
1754 // FIXME: Is B really a Barrier? That doesn't seem right.
1755 def B : ARMPseudoExpand<(outs), (ins br_target:$target), 4, IIC_Br,
1756 [(br bb:$target)], (Bcc br_target:$target, (ops 14, zero_reg))>;
1758 let isNotDuplicable = 1, isIndirectBranch = 1 in {
1759 def BR_JTr : ARMPseudoInst<(outs),
1760 (ins GPR:$target, i32imm:$jt, i32imm:$id),
1762 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]>;
1763 // FIXME: This shouldn't use the generic "addrmode2," but rather be split
1764 // into i12 and rs suffixed versions.
1765 def BR_JTm : ARMPseudoInst<(outs),
1766 (ins addrmode2:$target, i32imm:$jt, i32imm:$id),
1768 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
1770 def BR_JTadd : ARMPseudoInst<(outs),
1771 (ins GPR:$target, GPR:$idx, i32imm:$jt, i32imm:$id),
1773 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
1775 } // isNotDuplicable = 1, isIndirectBranch = 1
1781 def BLXi : AXI<(outs), (ins br_target:$target), BrMiscFrm, NoItinerary,
1782 "blx\t$target", []>,
1783 Requires<[IsARM, HasV5T]> {
1784 let Inst{31-25} = 0b1111101;
1786 let Inst{23-0} = target{24-1};
1787 let Inst{24} = target{0};
1790 // Branch and Exchange Jazelle
1791 def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
1792 [/* pattern left blank */]> {
1794 let Inst{23-20} = 0b0010;
1795 let Inst{19-8} = 0xfff;
1796 let Inst{7-4} = 0b0010;
1797 let Inst{3-0} = func;
1802 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in {
1804 let Defs = [R0, R1, R2, R3, R9, R12, QQQQ0, QQQQ2, QQQQ3, PC],
1806 def TCRETURNdi : PseudoInst<(outs), (ins i32imm:$dst, variable_ops),
1807 IIC_Br, []>, Requires<[IsDarwin]>;
1809 def TCRETURNri : PseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
1810 IIC_Br, []>, Requires<[IsDarwin]>;
1812 def TAILJMPd : ARMPseudoExpand<(outs), (ins br_target:$dst, variable_ops),
1814 (Bcc br_target:$dst, (ops 14, zero_reg))>,
1815 Requires<[IsARM, IsDarwin]>;
1817 def TAILJMPr : ARMPseudoExpand<(outs), (ins tcGPR:$dst, variable_ops),
1820 Requires<[IsARM, IsDarwin]>;
1824 // Non-Darwin versions (the difference is R9).
1825 let Defs = [R0, R1, R2, R3, R12, QQQQ0, QQQQ2, QQQQ3, PC],
1827 def TCRETURNdiND : PseudoInst<(outs), (ins i32imm:$dst, variable_ops),
1828 IIC_Br, []>, Requires<[IsNotDarwin]>;
1830 def TCRETURNriND : PseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
1831 IIC_Br, []>, Requires<[IsNotDarwin]>;
1833 def TAILJMPdND : ARMPseudoExpand<(outs), (ins brtarget:$dst, variable_ops),
1835 (Bcc br_target:$dst, (ops 14, zero_reg))>,
1836 Requires<[IsARM, IsNotDarwin]>;
1838 def TAILJMPrND : ARMPseudoExpand<(outs), (ins tcGPR:$dst, variable_ops),
1841 Requires<[IsARM, IsNotDarwin]>;
1845 // Secure Monitor Call is a system instruction.
1846 def SMC : ABI<0b0001, (outs), (ins imm0_15:$opt), NoItinerary, "smc", "\t$opt",
1849 let Inst{23-4} = 0b01100000000000000111;
1850 let Inst{3-0} = opt;
1853 // Supervisor Call (Software Interrupt)
1854 let isCall = 1, Uses = [SP] in {
1855 def SVC : ABI<0b1111, (outs), (ins imm24b:$svc), IIC_Br, "svc", "\t$svc", []> {
1857 let Inst{23-0} = svc;
1861 // Store Return State
1862 class SRSI<bit wb, string asm>
1863 : XI<(outs), (ins imm0_31:$mode), AddrModeNone, 4, IndexModeNone, BrFrm,
1864 NoItinerary, asm, "", []> {
1866 let Inst{31-28} = 0b1111;
1867 let Inst{27-25} = 0b100;
1871 let Inst{19-16} = 0b1101; // SP
1872 let Inst{15-5} = 0b00000101000;
1873 let Inst{4-0} = mode;
1876 def SRSDA : SRSI<0, "srsda\tsp, $mode"> {
1877 let Inst{24-23} = 0;
1879 def SRSDA_UPD : SRSI<1, "srsda\tsp!, $mode"> {
1880 let Inst{24-23} = 0;
1882 def SRSDB : SRSI<0, "srsdb\tsp, $mode"> {
1883 let Inst{24-23} = 0b10;
1885 def SRSDB_UPD : SRSI<1, "srsdb\tsp!, $mode"> {
1886 let Inst{24-23} = 0b10;
1888 def SRSIA : SRSI<0, "srsia\tsp, $mode"> {
1889 let Inst{24-23} = 0b01;
1891 def SRSIA_UPD : SRSI<1, "srsia\tsp!, $mode"> {
1892 let Inst{24-23} = 0b01;
1894 def SRSIB : SRSI<0, "srsib\tsp, $mode"> {
1895 let Inst{24-23} = 0b11;
1897 def SRSIB_UPD : SRSI<1, "srsib\tsp!, $mode"> {
1898 let Inst{24-23} = 0b11;
1901 // Return From Exception
1902 class RFEI<bit wb, string asm>
1903 : XI<(outs), (ins GPR:$Rn), AddrModeNone, 4, IndexModeNone, BrFrm,
1904 NoItinerary, asm, "", []> {
1906 let Inst{31-28} = 0b1111;
1907 let Inst{27-25} = 0b100;
1911 let Inst{19-16} = Rn;
1912 let Inst{15-0} = 0xa00;
1915 def RFEDA : RFEI<0, "rfeda\t$Rn"> {
1916 let Inst{24-23} = 0;
1918 def RFEDA_UPD : RFEI<1, "rfeda\t$Rn!"> {
1919 let Inst{24-23} = 0;
1921 def RFEDB : RFEI<0, "rfedb\t$Rn"> {
1922 let Inst{24-23} = 0b10;
1924 def RFEDB_UPD : RFEI<1, "rfedb\t$Rn!"> {
1925 let Inst{24-23} = 0b10;
1927 def RFEIA : RFEI<0, "rfeia\t$Rn"> {
1928 let Inst{24-23} = 0b01;
1930 def RFEIA_UPD : RFEI<1, "rfeia\t$Rn!"> {
1931 let Inst{24-23} = 0b01;
1933 def RFEIB : RFEI<0, "rfeib\t$Rn"> {
1934 let Inst{24-23} = 0b11;
1936 def RFEIB_UPD : RFEI<1, "rfeib\t$Rn!"> {
1937 let Inst{24-23} = 0b11;
1940 //===----------------------------------------------------------------------===//
1941 // Load / store Instructions.
1947 defm LDR : AI_ldr1<0, "ldr", IIC_iLoad_r, IIC_iLoad_si,
1948 UnOpFrag<(load node:$Src)>>;
1949 defm LDRB : AI_ldr1nopc<1, "ldrb", IIC_iLoad_bh_r, IIC_iLoad_bh_si,
1950 UnOpFrag<(zextloadi8 node:$Src)>>;
1951 defm STR : AI_str1<0, "str", IIC_iStore_r, IIC_iStore_si,
1952 BinOpFrag<(store node:$LHS, node:$RHS)>>;
1953 defm STRB : AI_str1nopc<1, "strb", IIC_iStore_bh_r, IIC_iStore_bh_si,
1954 BinOpFrag<(truncstorei8 node:$LHS, node:$RHS)>>;
1956 // Special LDR for loads from non-pc-relative constpools.
1957 let canFoldAsLoad = 1, mayLoad = 1, neverHasSideEffects = 1,
1958 isReMaterializable = 1, isCodeGenOnly = 1 in
1959 def LDRcp : AI2ldst<0b010, 1, 0, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
1960 AddrMode_i12, LdFrm, IIC_iLoad_r, "ldr", "\t$Rt, $addr",
1964 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1965 let Inst{19-16} = 0b1111;
1966 let Inst{15-12} = Rt;
1967 let Inst{11-0} = addr{11-0}; // imm12
1970 // Loads with zero extension
1971 def LDRH : AI3ld<0b1011, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1972 IIC_iLoad_bh_r, "ldrh", "\t$Rt, $addr",
1973 [(set GPR:$Rt, (zextloadi16 addrmode3:$addr))]>;
1975 // Loads with sign extension
1976 def LDRSH : AI3ld<0b1111, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1977 IIC_iLoad_bh_r, "ldrsh", "\t$Rt, $addr",
1978 [(set GPR:$Rt, (sextloadi16 addrmode3:$addr))]>;
1980 def LDRSB : AI3ld<0b1101, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1981 IIC_iLoad_bh_r, "ldrsb", "\t$Rt, $addr",
1982 [(set GPR:$Rt, (sextloadi8 addrmode3:$addr))]>;
1984 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1 in {
1986 def LDRD : AI3ld<0b1101, 0, (outs GPR:$Rd, GPR:$dst2),
1987 (ins addrmode3:$addr), LdMiscFrm,
1988 IIC_iLoad_d_r, "ldrd", "\t$Rd, $dst2, $addr",
1989 []>, Requires<[IsARM, HasV5TE]>;
1993 multiclass AI2_ldridx<bit isByte, string opc, InstrItinClass itin> {
1994 def _PRE : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb),
1995 (ins addrmode2:$addr), IndexModePre, LdFrm, itin,
1996 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2002 let Inst{25} = addr{13};
2003 let Inst{23} = addr{12};
2004 let Inst{19-16} = addr{17-14};
2005 let Inst{11-0} = addr{11-0};
2006 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2007 let AsmMatchConverter = "cvtLdWriteBackRegAddrMode2";
2010 def _POST_REG : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2011 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2012 IndexModePost, LdFrm, itin,
2013 opc, "\t$Rt, $addr, $offset",
2014 "$addr.base = $Rn_wb", []> {
2020 let Inst{23} = offset{12};
2021 let Inst{19-16} = addr;
2022 let Inst{11-0} = offset{11-0};
2024 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2027 def _POST_IMM : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2028 (ins addr_offset_none:$addr, am2offset_imm:$offset),
2029 IndexModePost, LdFrm, itin,
2030 opc, "\t$Rt, $addr, $offset",
2031 "$addr.base = $Rn_wb", []> {
2037 let Inst{23} = offset{12};
2038 let Inst{19-16} = addr;
2039 let Inst{11-0} = offset{11-0};
2041 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2046 let mayLoad = 1, neverHasSideEffects = 1 in {
2047 defm LDR : AI2_ldridx<0, "ldr", IIC_iLoad_ru>;
2048 defm LDRB : AI2_ldridx<1, "ldrb", IIC_iLoad_bh_ru>;
2051 multiclass AI3_ldridx<bits<4> op, string opc, InstrItinClass itin> {
2052 def _PRE : AI3ldstidx<op, 1, 1, (outs GPR:$Rt, GPR:$Rn_wb),
2053 (ins addrmode3:$addr), IndexModePre,
2055 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2057 let Inst{23} = addr{8}; // U bit
2058 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2059 let Inst{19-16} = addr{12-9}; // Rn
2060 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2061 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2062 let AsmMatchConverter = "cvtLdWriteBackRegAddrMode3";
2063 let DecoderMethod = "DecodeAddrMode3Instruction";
2065 def _POST : AI3ldstidx<op, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2066 (ins addr_offset_none:$addr, am3offset:$offset),
2067 IndexModePost, LdMiscFrm, itin,
2068 opc, "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb",
2072 let Inst{23} = offset{8}; // U bit
2073 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2074 let Inst{19-16} = addr;
2075 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2076 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2077 let DecoderMethod = "DecodeAddrMode3Instruction";
2081 let mayLoad = 1, neverHasSideEffects = 1 in {
2082 defm LDRH : AI3_ldridx<0b1011, "ldrh", IIC_iLoad_bh_ru>;
2083 defm LDRSH : AI3_ldridx<0b1111, "ldrsh", IIC_iLoad_bh_ru>;
2084 defm LDRSB : AI3_ldridx<0b1101, "ldrsb", IIC_iLoad_bh_ru>;
2085 let hasExtraDefRegAllocReq = 1 in {
2086 def LDRD_PRE : AI3ldstidx<0b1101, 0, 1, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
2087 (ins addrmode3:$addr), IndexModePre,
2088 LdMiscFrm, IIC_iLoad_d_ru,
2089 "ldrd", "\t$Rt, $Rt2, $addr!",
2090 "$addr.base = $Rn_wb", []> {
2092 let Inst{23} = addr{8}; // U bit
2093 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2094 let Inst{19-16} = addr{12-9}; // Rn
2095 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2096 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2097 let DecoderMethod = "DecodeAddrMode3Instruction";
2098 let AsmMatchConverter = "cvtLdrdPre";
2100 def LDRD_POST: AI3ldstidx<0b1101, 0, 0, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
2101 (ins addr_offset_none:$addr, am3offset:$offset),
2102 IndexModePost, LdMiscFrm, IIC_iLoad_d_ru,
2103 "ldrd", "\t$Rt, $Rt2, $addr, $offset",
2104 "$addr.base = $Rn_wb", []> {
2107 let Inst{23} = offset{8}; // U bit
2108 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2109 let Inst{19-16} = addr;
2110 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2111 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2112 let DecoderMethod = "DecodeAddrMode3Instruction";
2114 } // hasExtraDefRegAllocReq = 1
2115 } // mayLoad = 1, neverHasSideEffects = 1
2117 // LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT.
2118 let mayLoad = 1, neverHasSideEffects = 1 in {
2119 def LDRT_POST_REG : AI2ldstidx<1, 0, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2120 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2121 IndexModePost, LdFrm, IIC_iLoad_ru,
2122 "ldrt", "\t$Rt, $addr, $offset",
2123 "$addr.base = $Rn_wb", []> {
2129 let Inst{23} = offset{12};
2130 let Inst{21} = 1; // overwrite
2131 let Inst{19-16} = addr;
2132 let Inst{11-5} = offset{11-5};
2134 let Inst{3-0} = offset{3-0};
2135 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2138 def LDRT_POST_IMM : AI2ldstidx<1, 0, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2139 (ins addr_offset_none:$addr, am2offset_imm:$offset),
2140 IndexModePost, LdFrm, IIC_iLoad_ru,
2141 "ldrt", "\t$Rt, $addr, $offset",
2142 "$addr.base = $Rn_wb", []> {
2148 let Inst{23} = offset{12};
2149 let Inst{21} = 1; // overwrite
2150 let Inst{19-16} = addr;
2151 let Inst{11-0} = offset{11-0};
2152 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2155 def LDRBT_POST_REG : AI2ldstidx<1, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2156 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2157 IndexModePost, LdFrm, IIC_iLoad_bh_ru,
2158 "ldrbt", "\t$Rt, $addr, $offset",
2159 "$addr.base = $Rn_wb", []> {
2165 let Inst{23} = offset{12};
2166 let Inst{21} = 1; // overwrite
2167 let Inst{19-16} = addr;
2168 let Inst{11-5} = offset{11-5};
2170 let Inst{3-0} = offset{3-0};
2171 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2174 def LDRBT_POST_IMM : AI2ldstidx<1, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2175 (ins addr_offset_none:$addr, am2offset_imm:$offset),
2176 IndexModePost, LdFrm, IIC_iLoad_bh_ru,
2177 "ldrbt", "\t$Rt, $addr, $offset",
2178 "$addr.base = $Rn_wb", []> {
2184 let Inst{23} = offset{12};
2185 let Inst{21} = 1; // overwrite
2186 let Inst{19-16} = addr;
2187 let Inst{11-0} = offset{11-0};
2188 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2191 multiclass AI3ldrT<bits<4> op, string opc> {
2192 def i : AI3ldstidxT<op, 1, (outs GPR:$Rt, GPR:$base_wb),
2193 (ins addr_offset_none:$addr, postidx_imm8:$offset),
2194 IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru, opc,
2195 "\t$Rt, $addr, $offset", "$addr.base = $base_wb", []> {
2197 let Inst{23} = offset{8};
2199 let Inst{11-8} = offset{7-4};
2200 let Inst{3-0} = offset{3-0};
2201 let AsmMatchConverter = "cvtLdExtTWriteBackImm";
2203 def r : AI3ldstidxT<op, 1, (outs GPR:$Rt, GPR:$base_wb),
2204 (ins addr_offset_none:$addr, postidx_reg:$Rm),
2205 IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru, opc,
2206 "\t$Rt, $addr, $Rm", "$addr.base = $base_wb", []> {
2208 let Inst{23} = Rm{4};
2211 let Inst{3-0} = Rm{3-0};
2212 let AsmMatchConverter = "cvtLdExtTWriteBackReg";
2216 defm LDRSBT : AI3ldrT<0b1101, "ldrsbt">;
2217 defm LDRHT : AI3ldrT<0b1011, "ldrht">;
2218 defm LDRSHT : AI3ldrT<0b1111, "ldrsht">;
2223 // Stores with truncate
2224 def STRH : AI3str<0b1011, (outs), (ins GPR:$Rt, addrmode3:$addr), StMiscFrm,
2225 IIC_iStore_bh_r, "strh", "\t$Rt, $addr",
2226 [(truncstorei16 GPR:$Rt, addrmode3:$addr)]>;
2229 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in
2230 def STRD : AI3str<0b1111, (outs), (ins GPR:$Rt, GPR:$src2, addrmode3:$addr),
2231 StMiscFrm, IIC_iStore_d_r,
2232 "strd", "\t$Rt, $src2, $addr", []>,
2233 Requires<[IsARM, HasV5TE]> {
2238 multiclass AI2_stridx<bit isByte, string opc, InstrItinClass itin> {
2239 def _PRE_IMM : AI2ldstidx<0, isByte, 1, (outs GPR:$Rn_wb),
2240 (ins GPR:$Rt, addrmode_imm12:$addr), IndexModePre,
2242 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2245 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2246 let Inst{19-16} = addr{16-13}; // Rn
2247 let Inst{11-0} = addr{11-0}; // imm12
2248 let AsmMatchConverter = "cvtStWriteBackRegAddrModeImm12";
2249 let DecoderMethod = "DecodeSTRPreImm";
2252 def _PRE_REG : AI2ldstidx<0, isByte, 1, (outs GPR:$Rn_wb),
2253 (ins GPR:$Rt, ldst_so_reg:$addr),
2254 IndexModePre, StFrm, itin,
2255 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2258 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2259 let Inst{19-16} = addr{16-13}; // Rn
2260 let Inst{11-0} = addr{11-0};
2261 let Inst{4} = 0; // Inst{4} = 0
2262 let AsmMatchConverter = "cvtStWriteBackRegAddrMode2";
2263 let DecoderMethod = "DecodeSTRPreReg";
2265 def _POST_REG : AI2ldstidx<0, isByte, 0, (outs GPR:$Rn_wb),
2266 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_reg:$offset),
2267 IndexModePost, StFrm, itin,
2268 opc, "\t$Rt, $addr, $offset",
2269 "$addr.base = $Rn_wb", []> {
2275 let Inst{23} = offset{12};
2276 let Inst{19-16} = addr;
2277 let Inst{11-0} = offset{11-0};
2279 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2282 def _POST_IMM : AI2ldstidx<0, isByte, 0, (outs GPR:$Rn_wb),
2283 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_imm:$offset),
2284 IndexModePost, StFrm, itin,
2285 opc, "\t$Rt, $addr, $offset",
2286 "$addr.base = $Rn_wb", []> {
2292 let Inst{23} = offset{12};
2293 let Inst{19-16} = addr;
2294 let Inst{11-0} = offset{11-0};
2296 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2300 let mayStore = 1, neverHasSideEffects = 1 in {
2301 defm STR : AI2_stridx<0, "str", IIC_iStore_ru>;
2302 defm STRB : AI2_stridx<1, "strb", IIC_iStore_bh_ru>;
2305 def : ARMPat<(post_store GPR:$Rt, addr_offset_none:$addr,
2306 am2offset_reg:$offset),
2307 (STR_POST_REG GPR:$Rt, addr_offset_none:$addr,
2308 am2offset_reg:$offset)>;
2309 def : ARMPat<(post_store GPR:$Rt, addr_offset_none:$addr,
2310 am2offset_imm:$offset),
2311 (STR_POST_IMM GPR:$Rt, addr_offset_none:$addr,
2312 am2offset_imm:$offset)>;
2313 def : ARMPat<(post_truncsti8 GPR:$Rt, addr_offset_none:$addr,
2314 am2offset_reg:$offset),
2315 (STRB_POST_REG GPR:$Rt, addr_offset_none:$addr,
2316 am2offset_reg:$offset)>;
2317 def : ARMPat<(post_truncsti8 GPR:$Rt, addr_offset_none:$addr,
2318 am2offset_imm:$offset),
2319 (STRB_POST_IMM GPR:$Rt, addr_offset_none:$addr,
2320 am2offset_imm:$offset)>;
2322 // Pseudo-instructions for pattern matching the pre-indexed stores. We can't
2323 // put the patterns on the instruction definitions directly as ISel wants
2324 // the address base and offset to be separate operands, not a single
2325 // complex operand like we represent the instructions themselves. The
2326 // pseudos map between the two.
2327 let usesCustomInserter = 1,
2328 Constraints = "$Rn = $Rn_wb,@earlyclobber $Rn_wb" in {
2329 def STRi_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2330 (ins GPR:$Rt, GPR:$Rn, am2offset_imm:$offset, pred:$p),
2333 (pre_store GPR:$Rt, GPR:$Rn, am2offset_imm:$offset))]>;
2334 def STRr_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2335 (ins GPR:$Rt, GPR:$Rn, am2offset_reg:$offset, pred:$p),
2338 (pre_store GPR:$Rt, GPR:$Rn, am2offset_reg:$offset))]>;
2339 def STRBi_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2340 (ins GPR:$Rt, GPR:$Rn, am2offset_imm:$offset, pred:$p),
2343 (pre_truncsti8 GPR:$Rt, GPR:$Rn, am2offset_imm:$offset))]>;
2344 def STRBr_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2345 (ins GPR:$Rt, GPR:$Rn, am2offset_reg:$offset, pred:$p),
2348 (pre_truncsti8 GPR:$Rt, GPR:$Rn, am2offset_reg:$offset))]>;
2349 def STRH_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2350 (ins GPR:$Rt, GPR:$Rn, am3offset:$offset, pred:$p),
2353 (pre_truncsti16 GPR:$Rt, GPR:$Rn, am3offset:$offset))]>;
2358 def STRH_PRE : AI3ldstidx<0b1011, 0, 1, (outs GPR:$Rn_wb),
2359 (ins GPR:$Rt, addrmode3:$addr), IndexModePre,
2360 StMiscFrm, IIC_iStore_bh_ru,
2361 "strh", "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2363 let Inst{23} = addr{8}; // U bit
2364 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2365 let Inst{19-16} = addr{12-9}; // Rn
2366 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2367 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2368 let AsmMatchConverter = "cvtStWriteBackRegAddrMode3";
2369 let DecoderMethod = "DecodeAddrMode3Instruction";
2372 def STRH_POST : AI3ldstidx<0b1011, 0, 0, (outs GPR:$Rn_wb),
2373 (ins GPR:$Rt, addr_offset_none:$addr, am3offset:$offset),
2374 IndexModePost, StMiscFrm, IIC_iStore_bh_ru,
2375 "strh", "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb",
2376 [(set GPR:$Rn_wb, (post_truncsti16 GPR:$Rt,
2377 addr_offset_none:$addr,
2378 am3offset:$offset))]> {
2381 let Inst{23} = offset{8}; // U bit
2382 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2383 let Inst{19-16} = addr;
2384 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2385 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2386 let DecoderMethod = "DecodeAddrMode3Instruction";
2389 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in {
2390 def STRD_PRE : AI3ldstidx<0b1111, 0, 1, (outs GPR:$Rn_wb),
2391 (ins GPR:$Rt, GPR:$Rt2, addrmode3:$addr),
2392 IndexModePre, StMiscFrm, IIC_iStore_d_ru,
2393 "strd", "\t$Rt, $Rt2, $addr!",
2394 "$addr.base = $Rn_wb", []> {
2396 let Inst{23} = addr{8}; // U bit
2397 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2398 let Inst{19-16} = addr{12-9}; // Rn
2399 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2400 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2401 let DecoderMethod = "DecodeAddrMode3Instruction";
2402 let AsmMatchConverter = "cvtStrdPre";
2405 def STRD_POST: AI3ldstidx<0b1111, 0, 0, (outs GPR:$Rn_wb),
2406 (ins GPR:$Rt, GPR:$Rt2, addr_offset_none:$addr,
2408 IndexModePost, StMiscFrm, IIC_iStore_d_ru,
2409 "strd", "\t$Rt, $Rt2, $addr, $offset",
2410 "$addr.base = $Rn_wb", []> {
2413 let Inst{23} = offset{8}; // U bit
2414 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2415 let Inst{19-16} = addr;
2416 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2417 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2418 let DecoderMethod = "DecodeAddrMode3Instruction";
2420 } // mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1
2422 // STRT, STRBT, and STRHT
2424 def STRBT_POST_REG : AI2ldstidx<0, 1, 0, (outs GPR:$Rn_wb),
2425 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_reg:$offset),
2426 IndexModePost, StFrm, IIC_iStore_bh_ru,
2427 "strbt", "\t$Rt, $addr, $offset",
2428 "$addr.base = $Rn_wb", []> {
2434 let Inst{23} = offset{12};
2435 let Inst{21} = 1; // overwrite
2436 let Inst{19-16} = addr;
2437 let Inst{11-5} = offset{11-5};
2439 let Inst{3-0} = offset{3-0};
2440 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2443 def STRBT_POST_IMM : AI2ldstidx<0, 1, 0, (outs GPR:$Rn_wb),
2444 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_imm:$offset),
2445 IndexModePost, StFrm, IIC_iStore_bh_ru,
2446 "strbt", "\t$Rt, $addr, $offset",
2447 "$addr.base = $Rn_wb", []> {
2453 let Inst{23} = offset{12};
2454 let Inst{21} = 1; // overwrite
2455 let Inst{19-16} = addr;
2456 let Inst{11-0} = offset{11-0};
2457 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2460 let mayStore = 1, neverHasSideEffects = 1 in {
2461 def STRT_POST_REG : AI2ldstidx<0, 0, 0, (outs GPR:$Rn_wb),
2462 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_reg:$offset),
2463 IndexModePost, StFrm, IIC_iStore_ru,
2464 "strt", "\t$Rt, $addr, $offset",
2465 "$addr.base = $Rn_wb", []> {
2471 let Inst{23} = offset{12};
2472 let Inst{21} = 1; // overwrite
2473 let Inst{19-16} = addr;
2474 let Inst{11-5} = offset{11-5};
2476 let Inst{3-0} = offset{3-0};
2477 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2480 def STRT_POST_IMM : AI2ldstidx<0, 0, 0, (outs GPR:$Rn_wb),
2481 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_imm:$offset),
2482 IndexModePost, StFrm, IIC_iStore_ru,
2483 "strt", "\t$Rt, $addr, $offset",
2484 "$addr.base = $Rn_wb", []> {
2490 let Inst{23} = offset{12};
2491 let Inst{21} = 1; // overwrite
2492 let Inst{19-16} = addr;
2493 let Inst{11-0} = offset{11-0};
2494 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2499 multiclass AI3strT<bits<4> op, string opc> {
2500 def i : AI3ldstidxT<op, 0, (outs GPR:$base_wb),
2501 (ins GPR:$Rt, addr_offset_none:$addr, postidx_imm8:$offset),
2502 IndexModePost, StMiscFrm, IIC_iStore_bh_ru, opc,
2503 "\t$Rt, $addr, $offset", "$addr.base = $base_wb", []> {
2505 let Inst{23} = offset{8};
2507 let Inst{11-8} = offset{7-4};
2508 let Inst{3-0} = offset{3-0};
2509 let AsmMatchConverter = "cvtStExtTWriteBackImm";
2511 def r : AI3ldstidxT<op, 0, (outs GPR:$base_wb),
2512 (ins GPR:$Rt, addr_offset_none:$addr, postidx_reg:$Rm),
2513 IndexModePost, StMiscFrm, IIC_iStore_bh_ru, opc,
2514 "\t$Rt, $addr, $Rm", "$addr.base = $base_wb", []> {
2516 let Inst{23} = Rm{4};
2519 let Inst{3-0} = Rm{3-0};
2520 let AsmMatchConverter = "cvtStExtTWriteBackReg";
2525 defm STRHT : AI3strT<0b1011, "strht">;
2528 //===----------------------------------------------------------------------===//
2529 // Load / store multiple Instructions.
2532 multiclass arm_ldst_mult<string asm, bit L_bit, Format f,
2533 InstrItinClass itin, InstrItinClass itin_upd> {
2534 // IA is the default, so no need for an explicit suffix on the
2535 // mnemonic here. Without it is the cannonical spelling.
2537 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2538 IndexModeNone, f, itin,
2539 !strconcat(asm, "${p}\t$Rn, $regs"), "", []> {
2540 let Inst{24-23} = 0b01; // Increment After
2541 let Inst{21} = 0; // No writeback
2542 let Inst{20} = L_bit;
2545 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2546 IndexModeUpd, f, itin_upd,
2547 !strconcat(asm, "${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
2548 let Inst{24-23} = 0b01; // Increment After
2549 let Inst{21} = 1; // Writeback
2550 let Inst{20} = L_bit;
2552 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
2555 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2556 IndexModeNone, f, itin,
2557 !strconcat(asm, "da${p}\t$Rn, $regs"), "", []> {
2558 let Inst{24-23} = 0b00; // Decrement After
2559 let Inst{21} = 0; // No writeback
2560 let Inst{20} = L_bit;
2563 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2564 IndexModeUpd, f, itin_upd,
2565 !strconcat(asm, "da${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
2566 let Inst{24-23} = 0b00; // Decrement After
2567 let Inst{21} = 1; // Writeback
2568 let Inst{20} = L_bit;
2570 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
2573 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2574 IndexModeNone, f, itin,
2575 !strconcat(asm, "db${p}\t$Rn, $regs"), "", []> {
2576 let Inst{24-23} = 0b10; // Decrement Before
2577 let Inst{21} = 0; // No writeback
2578 let Inst{20} = L_bit;
2581 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2582 IndexModeUpd, f, itin_upd,
2583 !strconcat(asm, "db${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
2584 let Inst{24-23} = 0b10; // Decrement Before
2585 let Inst{21} = 1; // Writeback
2586 let Inst{20} = L_bit;
2588 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
2591 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2592 IndexModeNone, f, itin,
2593 !strconcat(asm, "ib${p}\t$Rn, $regs"), "", []> {
2594 let Inst{24-23} = 0b11; // Increment Before
2595 let Inst{21} = 0; // No writeback
2596 let Inst{20} = L_bit;
2599 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2600 IndexModeUpd, f, itin_upd,
2601 !strconcat(asm, "ib${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
2602 let Inst{24-23} = 0b11; // Increment Before
2603 let Inst{21} = 1; // Writeback
2604 let Inst{20} = L_bit;
2606 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
2610 let neverHasSideEffects = 1 in {
2612 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
2613 defm LDM : arm_ldst_mult<"ldm", 1, LdStMulFrm, IIC_iLoad_m, IIC_iLoad_mu>;
2615 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
2616 defm STM : arm_ldst_mult<"stm", 0, LdStMulFrm, IIC_iStore_m, IIC_iStore_mu>;
2618 } // neverHasSideEffects
2620 // FIXME: remove when we have a way to marking a MI with these properties.
2621 // FIXME: Should pc be an implicit operand like PICADD, etc?
2622 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
2623 hasExtraDefRegAllocReq = 1, isCodeGenOnly = 1 in
2624 def LDMIA_RET : ARMPseudoExpand<(outs GPR:$wb), (ins GPR:$Rn, pred:$p,
2625 reglist:$regs, variable_ops),
2626 4, IIC_iLoad_mBr, [],
2627 (LDMIA_UPD GPR:$wb, GPR:$Rn, pred:$p, reglist:$regs)>,
2628 RegConstraint<"$Rn = $wb">;
2630 //===----------------------------------------------------------------------===//
2631 // Move Instructions.
2634 let neverHasSideEffects = 1 in
2635 def MOVr : AsI1<0b1101, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMOVr,
2636 "mov", "\t$Rd, $Rm", []>, UnaryDP {
2640 let Inst{19-16} = 0b0000;
2641 let Inst{11-4} = 0b00000000;
2644 let Inst{15-12} = Rd;
2647 // A version for the smaller set of tail call registers.
2648 let neverHasSideEffects = 1 in
2649 def MOVr_TC : AsI1<0b1101, (outs tcGPR:$Rd), (ins tcGPR:$Rm), DPFrm,
2650 IIC_iMOVr, "mov", "\t$Rd, $Rm", []>, UnaryDP {
2654 let Inst{11-4} = 0b00000000;
2657 let Inst{15-12} = Rd;
2660 def MOVsr : AsI1<0b1101, (outs GPRnopc:$Rd), (ins shift_so_reg_reg:$src),
2661 DPSoRegRegFrm, IIC_iMOVsr,
2662 "mov", "\t$Rd, $src",
2663 [(set GPRnopc:$Rd, shift_so_reg_reg:$src)]>, UnaryDP {
2666 let Inst{15-12} = Rd;
2667 let Inst{19-16} = 0b0000;
2668 let Inst{11-8} = src{11-8};
2670 let Inst{6-5} = src{6-5};
2672 let Inst{3-0} = src{3-0};
2676 def MOVsi : AsI1<0b1101, (outs GPR:$Rd), (ins shift_so_reg_imm:$src),
2677 DPSoRegImmFrm, IIC_iMOVsr,
2678 "mov", "\t$Rd, $src", [(set GPR:$Rd, shift_so_reg_imm:$src)]>,
2682 let Inst{15-12} = Rd;
2683 let Inst{19-16} = 0b0000;
2684 let Inst{11-5} = src{11-5};
2686 let Inst{3-0} = src{3-0};
2690 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
2691 def MOVi : AsI1<0b1101, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm, IIC_iMOVi,
2692 "mov", "\t$Rd, $imm", [(set GPR:$Rd, so_imm:$imm)]>, UnaryDP {
2696 let Inst{15-12} = Rd;
2697 let Inst{19-16} = 0b0000;
2698 let Inst{11-0} = imm;
2701 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
2702 def MOVi16 : AI1<0b1000, (outs GPR:$Rd), (ins imm0_65535_expr:$imm),
2704 "movw", "\t$Rd, $imm",
2705 [(set GPR:$Rd, imm0_65535:$imm)]>,
2706 Requires<[IsARM, HasV6T2]>, UnaryDP {
2709 let Inst{15-12} = Rd;
2710 let Inst{11-0} = imm{11-0};
2711 let Inst{19-16} = imm{15-12};
2716 def : InstAlias<"mov${p} $Rd, $imm",
2717 (MOVi16 GPR:$Rd, imm0_65535_expr:$imm, pred:$p)>,
2720 def MOVi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
2721 (ins i32imm:$addr, pclabel:$id), IIC_iMOVi, []>;
2723 let Constraints = "$src = $Rd" in {
2724 def MOVTi16 : AI1<0b1010, (outs GPRnopc:$Rd),
2725 (ins GPR:$src, imm0_65535_expr:$imm),
2727 "movt", "\t$Rd, $imm",
2729 (or (and GPR:$src, 0xffff),
2730 lo16AllZero:$imm))]>, UnaryDP,
2731 Requires<[IsARM, HasV6T2]> {
2734 let Inst{15-12} = Rd;
2735 let Inst{11-0} = imm{11-0};
2736 let Inst{19-16} = imm{15-12};
2741 def MOVTi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
2742 (ins GPR:$src, i32imm:$addr, pclabel:$id), IIC_iMOVi, []>;
2746 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
2747 Requires<[IsARM, HasV6T2]>;
2749 let Uses = [CPSR] in
2750 def RRX: PseudoInst<(outs GPR:$Rd), (ins GPR:$Rm), IIC_iMOVsi,
2751 [(set GPR:$Rd, (ARMrrx GPR:$Rm))]>, UnaryDP,
2754 // These aren't really mov instructions, but we have to define them this way
2755 // due to flag operands.
2757 let Defs = [CPSR] in {
2758 def MOVsrl_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
2759 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP,
2761 def MOVsra_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
2762 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP,
2766 //===----------------------------------------------------------------------===//
2767 // Extend Instructions.
2772 def SXTB : AI_ext_rrot<0b01101010,
2773 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
2774 def SXTH : AI_ext_rrot<0b01101011,
2775 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
2777 def SXTAB : AI_exta_rrot<0b01101010,
2778 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
2779 def SXTAH : AI_exta_rrot<0b01101011,
2780 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
2782 def SXTB16 : AI_ext_rrot_np<0b01101000, "sxtb16">;
2784 def SXTAB16 : AI_exta_rrot_np<0b01101000, "sxtab16">;
2788 let AddedComplexity = 16 in {
2789 def UXTB : AI_ext_rrot<0b01101110,
2790 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
2791 def UXTH : AI_ext_rrot<0b01101111,
2792 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
2793 def UXTB16 : AI_ext_rrot<0b01101100,
2794 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
2796 // FIXME: This pattern incorrectly assumes the shl operator is a rotate.
2797 // The transformation should probably be done as a combiner action
2798 // instead so we can include a check for masking back in the upper
2799 // eight bits of the source into the lower eight bits of the result.
2800 //def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
2801 // (UXTB16r_rot GPR:$Src, 3)>;
2802 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
2803 (UXTB16 GPR:$Src, 1)>;
2805 def UXTAB : AI_exta_rrot<0b01101110, "uxtab",
2806 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
2807 def UXTAH : AI_exta_rrot<0b01101111, "uxtah",
2808 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
2811 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
2812 def UXTAB16 : AI_exta_rrot_np<0b01101100, "uxtab16">;
2815 def SBFX : I<(outs GPRnopc:$Rd),
2816 (ins GPRnopc:$Rn, imm0_31:$lsb, imm1_32:$width),
2817 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
2818 "sbfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
2819 Requires<[IsARM, HasV6T2]> {
2824 let Inst{27-21} = 0b0111101;
2825 let Inst{6-4} = 0b101;
2826 let Inst{20-16} = width;
2827 let Inst{15-12} = Rd;
2828 let Inst{11-7} = lsb;
2832 def UBFX : I<(outs GPR:$Rd),
2833 (ins GPR:$Rn, imm0_31:$lsb, imm1_32:$width),
2834 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
2835 "ubfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
2836 Requires<[IsARM, HasV6T2]> {
2841 let Inst{27-21} = 0b0111111;
2842 let Inst{6-4} = 0b101;
2843 let Inst{20-16} = width;
2844 let Inst{15-12} = Rd;
2845 let Inst{11-7} = lsb;
2849 //===----------------------------------------------------------------------===//
2850 // Arithmetic Instructions.
2853 defm ADD : AsI1_bin_irs<0b0100, "add",
2854 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2855 BinOpFrag<(add node:$LHS, node:$RHS)>, "ADD", 1>;
2856 defm SUB : AsI1_bin_irs<0b0010, "sub",
2857 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2858 BinOpFrag<(sub node:$LHS, node:$RHS)>, "SUB">;
2860 // ADD and SUB with 's' bit set.
2861 defm ADDS : AI1_bin_s_irs<0b0100, "adds",
2862 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2863 BinOpFrag<(addc node:$LHS, node:$RHS)>, 1>;
2864 defm SUBS : AI1_bin_s_irs<0b0010, "subs",
2865 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2866 BinOpFrag<(subc node:$LHS, node:$RHS)>>;
2868 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
2869 BinOpFrag<(adde_dead_carry node:$LHS, node:$RHS)>,
2871 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
2872 BinOpFrag<(sube_dead_carry node:$LHS, node:$RHS)>,
2875 // ADC and SUBC with 's' bit set.
2876 let usesCustomInserter = 1 in {
2877 defm ADCS : AI1_adde_sube_s_irs<
2878 BinOpFrag<(adde_live_carry node:$LHS, node:$RHS)>, 1>;
2879 defm SBCS : AI1_adde_sube_s_irs<
2880 BinOpFrag<(sube_live_carry node:$LHS, node:$RHS) >>;
2883 def RSBri : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
2884 IIC_iALUi, "rsb", "\t$Rd, $Rn, $imm",
2885 [(set GPR:$Rd, (sub so_imm:$imm, GPR:$Rn))]> {
2890 let Inst{15-12} = Rd;
2891 let Inst{19-16} = Rn;
2892 let Inst{11-0} = imm;
2895 def RSBrr : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
2896 IIC_iALUr, "rsb", "\t$Rd, $Rn, $Rm", []> {
2900 let Inst{11-4} = 0b00000000;
2903 let Inst{15-12} = Rd;
2904 let Inst{19-16} = Rn;
2907 def RSBrsi : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_imm:$shift),
2908 DPSoRegImmFrm, IIC_iALUsr, "rsb", "\t$Rd, $Rn, $shift",
2909 [(set GPR:$Rd, (sub so_reg_imm:$shift, GPR:$Rn))]> {
2914 let Inst{19-16} = Rn;
2915 let Inst{15-12} = Rd;
2916 let Inst{11-5} = shift{11-5};
2918 let Inst{3-0} = shift{3-0};
2921 def RSBrsr : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_reg:$shift),
2922 DPSoRegRegFrm, IIC_iALUsr, "rsb", "\t$Rd, $Rn, $shift",
2923 [(set GPR:$Rd, (sub so_reg_reg:$shift, GPR:$Rn))]> {
2928 let Inst{19-16} = Rn;
2929 let Inst{15-12} = Rd;
2930 let Inst{11-8} = shift{11-8};
2932 let Inst{6-5} = shift{6-5};
2934 let Inst{3-0} = shift{3-0};
2937 // RSB with 's' bit set.
2938 // NOTE: CPSR def omitted because it will be handled by the custom inserter.
2939 let usesCustomInserter = 1 in {
2940 def RSBSri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2942 [(set GPR:$Rd, (subc so_imm:$imm, GPR:$Rn))]>;
2943 def RSBSrr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2945 def RSBSrsi : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg_imm:$shift),
2947 [(set GPR:$Rd, (subc so_reg_imm:$shift, GPR:$Rn))]>;
2948 def RSBSrsr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg_reg:$shift),
2950 [(set GPR:$Rd, (subc so_reg_reg:$shift, GPR:$Rn))]>;
2953 let Uses = [CPSR] in {
2954 def RSCri : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2955 DPFrm, IIC_iALUi, "rsc", "\t$Rd, $Rn, $imm",
2956 [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>,
2962 let Inst{15-12} = Rd;
2963 let Inst{19-16} = Rn;
2964 let Inst{11-0} = imm;
2966 def RSCrr : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2967 DPFrm, IIC_iALUr, "rsc", "\t$Rd, $Rn, $Rm", []> {
2971 let Inst{11-4} = 0b00000000;
2974 let Inst{15-12} = Rd;
2975 let Inst{19-16} = Rn;
2977 def RSCrsi : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_imm:$shift),
2978 DPSoRegImmFrm, IIC_iALUsr, "rsc", "\t$Rd, $Rn, $shift",
2979 [(set GPR:$Rd, (sube_dead_carry so_reg_imm:$shift, GPR:$Rn))]>,
2985 let Inst{19-16} = Rn;
2986 let Inst{15-12} = Rd;
2987 let Inst{11-5} = shift{11-5};
2989 let Inst{3-0} = shift{3-0};
2991 def RSCrsr : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_reg:$shift),
2992 DPSoRegRegFrm, IIC_iALUsr, "rsc", "\t$Rd, $Rn, $shift",
2993 [(set GPR:$Rd, (sube_dead_carry so_reg_reg:$shift, GPR:$Rn))]>,
2999 let Inst{19-16} = Rn;
3000 let Inst{15-12} = Rd;
3001 let Inst{11-8} = shift{11-8};
3003 let Inst{6-5} = shift{6-5};
3005 let Inst{3-0} = shift{3-0};
3010 // NOTE: CPSR def omitted because it will be handled by the custom inserter.
3011 let usesCustomInserter = 1, Uses = [CPSR] in {
3012 def RSCSri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
3014 [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>;
3015 def RSCSrsi : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg_imm:$shift),
3017 [(set GPR:$Rd, (sube_dead_carry so_reg_imm:$shift, GPR:$Rn))]>;
3018 def RSCSrsr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg_reg:$shift),
3020 [(set GPR:$Rd, (sube_dead_carry so_reg_reg:$shift, GPR:$Rn))]>;
3023 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
3024 // The assume-no-carry-in form uses the negation of the input since add/sub
3025 // assume opposite meanings of the carry flag (i.e., carry == !borrow).
3026 // See the definition of AddWithCarry() in the ARM ARM A2.2.1 for the gory
3028 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
3029 (SUBri GPR:$src, so_imm_neg:$imm)>;
3030 def : ARMPat<(addc GPR:$src, so_imm_neg:$imm),
3031 (SUBSri GPR:$src, so_imm_neg:$imm)>;
3032 // The with-carry-in form matches bitwise not instead of the negation.
3033 // Effectively, the inverse interpretation of the carry flag already accounts
3034 // for part of the negation.
3035 def : ARMPat<(adde_dead_carry GPR:$src, so_imm_not:$imm),
3036 (SBCri GPR:$src, so_imm_not:$imm)>;
3037 def : ARMPat<(adde_live_carry GPR:$src, so_imm_not:$imm),
3038 (SBCSri GPR:$src, so_imm_not:$imm)>;
3040 // Note: These are implemented in C++ code, because they have to generate
3041 // ADD/SUBrs instructions, which use a complex pattern that a xform function
3043 // (mul X, 2^n+1) -> (add (X << n), X)
3044 // (mul X, 2^n-1) -> (rsb X, (X << n))
3046 // ARM Arithmetic Instruction
3047 // GPR:$dst = GPR:$a op GPR:$b
3048 class AAI<bits<8> op27_20, bits<8> op11_4, string opc,
3049 list<dag> pattern = [],
3050 dag iops = (ins GPRnopc:$Rn, GPRnopc:$Rm),
3051 string asm = "\t$Rd, $Rn, $Rm">
3052 : AI<(outs GPRnopc:$Rd), iops, DPFrm, IIC_iALUr, opc, asm, pattern> {
3056 let Inst{27-20} = op27_20;
3057 let Inst{11-4} = op11_4;
3058 let Inst{19-16} = Rn;
3059 let Inst{15-12} = Rd;
3063 // Saturating add/subtract
3065 def QADD : AAI<0b00010000, 0b00000101, "qadd",
3066 [(set GPRnopc:$Rd, (int_arm_qadd GPRnopc:$Rm, GPRnopc:$Rn))],
3067 (ins GPRnopc:$Rm, GPRnopc:$Rn), "\t$Rd, $Rm, $Rn">;
3068 def QSUB : AAI<0b00010010, 0b00000101, "qsub",
3069 [(set GPRnopc:$Rd, (int_arm_qsub GPRnopc:$Rm, GPRnopc:$Rn))],
3070 (ins GPRnopc:$Rm, GPRnopc:$Rn), "\t$Rd, $Rm, $Rn">;
3071 def QDADD : AAI<0b00010100, 0b00000101, "qdadd", [],
3072 (ins GPRnopc:$Rm, GPRnopc:$Rn),
3074 def QDSUB : AAI<0b00010110, 0b00000101, "qdsub", [],
3075 (ins GPRnopc:$Rm, GPRnopc:$Rn),
3078 def QADD16 : AAI<0b01100010, 0b11110001, "qadd16">;
3079 def QADD8 : AAI<0b01100010, 0b11111001, "qadd8">;
3080 def QASX : AAI<0b01100010, 0b11110011, "qasx">;
3081 def QSAX : AAI<0b01100010, 0b11110101, "qsax">;
3082 def QSUB16 : AAI<0b01100010, 0b11110111, "qsub16">;
3083 def QSUB8 : AAI<0b01100010, 0b11111111, "qsub8">;
3084 def UQADD16 : AAI<0b01100110, 0b11110001, "uqadd16">;
3085 def UQADD8 : AAI<0b01100110, 0b11111001, "uqadd8">;
3086 def UQASX : AAI<0b01100110, 0b11110011, "uqasx">;
3087 def UQSAX : AAI<0b01100110, 0b11110101, "uqsax">;
3088 def UQSUB16 : AAI<0b01100110, 0b11110111, "uqsub16">;
3089 def UQSUB8 : AAI<0b01100110, 0b11111111, "uqsub8">;
3091 // Signed/Unsigned add/subtract
3093 def SASX : AAI<0b01100001, 0b11110011, "sasx">;
3094 def SADD16 : AAI<0b01100001, 0b11110001, "sadd16">;
3095 def SADD8 : AAI<0b01100001, 0b11111001, "sadd8">;
3096 def SSAX : AAI<0b01100001, 0b11110101, "ssax">;
3097 def SSUB16 : AAI<0b01100001, 0b11110111, "ssub16">;
3098 def SSUB8 : AAI<0b01100001, 0b11111111, "ssub8">;
3099 def UASX : AAI<0b01100101, 0b11110011, "uasx">;
3100 def UADD16 : AAI<0b01100101, 0b11110001, "uadd16">;
3101 def UADD8 : AAI<0b01100101, 0b11111001, "uadd8">;
3102 def USAX : AAI<0b01100101, 0b11110101, "usax">;
3103 def USUB16 : AAI<0b01100101, 0b11110111, "usub16">;
3104 def USUB8 : AAI<0b01100101, 0b11111111, "usub8">;
3106 // Signed/Unsigned halving add/subtract
3108 def SHASX : AAI<0b01100011, 0b11110011, "shasx">;
3109 def SHADD16 : AAI<0b01100011, 0b11110001, "shadd16">;
3110 def SHADD8 : AAI<0b01100011, 0b11111001, "shadd8">;
3111 def SHSAX : AAI<0b01100011, 0b11110101, "shsax">;
3112 def SHSUB16 : AAI<0b01100011, 0b11110111, "shsub16">;
3113 def SHSUB8 : AAI<0b01100011, 0b11111111, "shsub8">;
3114 def UHASX : AAI<0b01100111, 0b11110011, "uhasx">;
3115 def UHADD16 : AAI<0b01100111, 0b11110001, "uhadd16">;
3116 def UHADD8 : AAI<0b01100111, 0b11111001, "uhadd8">;
3117 def UHSAX : AAI<0b01100111, 0b11110101, "uhsax">;
3118 def UHSUB16 : AAI<0b01100111, 0b11110111, "uhsub16">;
3119 def UHSUB8 : AAI<0b01100111, 0b11111111, "uhsub8">;
3121 // Unsigned Sum of Absolute Differences [and Accumulate].
3123 def USAD8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3124 MulFrm /* for convenience */, NoItinerary, "usad8",
3125 "\t$Rd, $Rn, $Rm", []>,
3126 Requires<[IsARM, HasV6]> {
3130 let Inst{27-20} = 0b01111000;
3131 let Inst{15-12} = 0b1111;
3132 let Inst{7-4} = 0b0001;
3133 let Inst{19-16} = Rd;
3134 let Inst{11-8} = Rm;
3137 def USADA8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3138 MulFrm /* for convenience */, NoItinerary, "usada8",
3139 "\t$Rd, $Rn, $Rm, $Ra", []>,
3140 Requires<[IsARM, HasV6]> {
3145 let Inst{27-20} = 0b01111000;
3146 let Inst{7-4} = 0b0001;
3147 let Inst{19-16} = Rd;
3148 let Inst{15-12} = Ra;
3149 let Inst{11-8} = Rm;
3153 // Signed/Unsigned saturate
3155 def SSAT : AI<(outs GPRnopc:$Rd),
3156 (ins imm1_32:$sat_imm, GPRnopc:$Rn, shift_imm:$sh),
3157 SatFrm, NoItinerary, "ssat", "\t$Rd, $sat_imm, $Rn$sh", []> {
3162 let Inst{27-21} = 0b0110101;
3163 let Inst{5-4} = 0b01;
3164 let Inst{20-16} = sat_imm;
3165 let Inst{15-12} = Rd;
3166 let Inst{11-7} = sh{4-0};
3167 let Inst{6} = sh{5};
3171 def SSAT16 : AI<(outs GPRnopc:$Rd),
3172 (ins imm1_16:$sat_imm, GPRnopc:$Rn), SatFrm,
3173 NoItinerary, "ssat16", "\t$Rd, $sat_imm, $Rn", []> {
3177 let Inst{27-20} = 0b01101010;
3178 let Inst{11-4} = 0b11110011;
3179 let Inst{15-12} = Rd;
3180 let Inst{19-16} = sat_imm;
3184 def USAT : AI<(outs GPRnopc:$Rd),
3185 (ins imm0_31:$sat_imm, GPRnopc:$Rn, shift_imm:$sh),
3186 SatFrm, NoItinerary, "usat", "\t$Rd, $sat_imm, $Rn$sh", []> {
3191 let Inst{27-21} = 0b0110111;
3192 let Inst{5-4} = 0b01;
3193 let Inst{15-12} = Rd;
3194 let Inst{11-7} = sh{4-0};
3195 let Inst{6} = sh{5};
3196 let Inst{20-16} = sat_imm;
3200 def USAT16 : AI<(outs GPRnopc:$Rd),
3201 (ins imm0_15:$sat_imm, GPRnopc:$Rn), SatFrm,
3202 NoItinerary, "usat16", "\t$Rd, $sat_imm, $Rn", []> {
3206 let Inst{27-20} = 0b01101110;
3207 let Inst{11-4} = 0b11110011;
3208 let Inst{15-12} = Rd;
3209 let Inst{19-16} = sat_imm;
3213 def : ARMV6Pat<(int_arm_ssat GPRnopc:$a, imm:$pos),
3214 (SSAT imm:$pos, GPRnopc:$a, 0)>;
3215 def : ARMV6Pat<(int_arm_usat GPRnopc:$a, imm:$pos),
3216 (USAT imm:$pos, GPRnopc:$a, 0)>;
3218 //===----------------------------------------------------------------------===//
3219 // Bitwise Instructions.
3222 defm AND : AsI1_bin_irs<0b0000, "and",
3223 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3224 BinOpFrag<(and node:$LHS, node:$RHS)>, "AND", 1>;
3225 defm ORR : AsI1_bin_irs<0b1100, "orr",
3226 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3227 BinOpFrag<(or node:$LHS, node:$RHS)>, "ORR", 1>;
3228 defm EOR : AsI1_bin_irs<0b0001, "eor",
3229 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3230 BinOpFrag<(xor node:$LHS, node:$RHS)>, "EOR", 1>;
3231 defm BIC : AsI1_bin_irs<0b1110, "bic",
3232 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3233 BinOpFrag<(and node:$LHS, (not node:$RHS))>, "BIC">;
3235 // FIXME: bf_inv_mask_imm should be two operands, the lsb and the msb, just
3236 // like in the actual instruction encoding. The complexity of mapping the mask
3237 // to the lsb/msb pair should be handled by ISel, not encapsulated in the
3238 // instruction description.
3239 def BFC : I<(outs GPR:$Rd), (ins GPR:$src, bf_inv_mask_imm:$imm),
3240 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3241 "bfc", "\t$Rd, $imm", "$src = $Rd",
3242 [(set GPR:$Rd, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
3243 Requires<[IsARM, HasV6T2]> {
3246 let Inst{27-21} = 0b0111110;
3247 let Inst{6-0} = 0b0011111;
3248 let Inst{15-12} = Rd;
3249 let Inst{11-7} = imm{4-0}; // lsb
3250 let Inst{20-16} = imm{9-5}; // msb
3253 // A8.6.18 BFI - Bitfield insert (Encoding A1)
3254 def BFI:I<(outs GPRnopc:$Rd), (ins GPRnopc:$src, GPR:$Rn, bf_inv_mask_imm:$imm),
3255 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3256 "bfi", "\t$Rd, $Rn, $imm", "$src = $Rd",
3257 [(set GPRnopc:$Rd, (ARMbfi GPRnopc:$src, GPR:$Rn,
3258 bf_inv_mask_imm:$imm))]>,
3259 Requires<[IsARM, HasV6T2]> {
3263 let Inst{27-21} = 0b0111110;
3264 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
3265 let Inst{15-12} = Rd;
3266 let Inst{11-7} = imm{4-0}; // lsb
3267 let Inst{20-16} = imm{9-5}; // width
3271 // GNU as only supports this form of bfi (w/ 4 arguments)
3272 let isAsmParserOnly = 1 in
3273 def BFI4p : I<(outs GPRnopc:$Rd), (ins GPRnopc:$src, GPR:$Rn,
3274 lsb_pos_imm:$lsb, width_imm:$width),
3275 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3276 "bfi", "\t$Rd, $Rn, $lsb, $width", "$src = $Rd",
3277 []>, Requires<[IsARM, HasV6T2]> {
3282 let Inst{27-21} = 0b0111110;
3283 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
3284 let Inst{15-12} = Rd;
3285 let Inst{11-7} = lsb;
3286 let Inst{20-16} = width; // Custom encoder => lsb+width-1
3290 def MVNr : AsI1<0b1111, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMVNr,
3291 "mvn", "\t$Rd, $Rm",
3292 [(set GPR:$Rd, (not GPR:$Rm))]>, UnaryDP {
3296 let Inst{19-16} = 0b0000;
3297 let Inst{11-4} = 0b00000000;
3298 let Inst{15-12} = Rd;
3301 def MVNsi : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg_imm:$shift),
3302 DPSoRegImmFrm, IIC_iMVNsr, "mvn", "\t$Rd, $shift",
3303 [(set GPR:$Rd, (not so_reg_imm:$shift))]>, UnaryDP {
3307 let Inst{19-16} = 0b0000;
3308 let Inst{15-12} = Rd;
3309 let Inst{11-5} = shift{11-5};
3311 let Inst{3-0} = shift{3-0};
3313 def MVNsr : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg_reg:$shift),
3314 DPSoRegRegFrm, IIC_iMVNsr, "mvn", "\t$Rd, $shift",
3315 [(set GPR:$Rd, (not so_reg_reg:$shift))]>, UnaryDP {
3319 let Inst{19-16} = 0b0000;
3320 let Inst{15-12} = Rd;
3321 let Inst{11-8} = shift{11-8};
3323 let Inst{6-5} = shift{6-5};
3325 let Inst{3-0} = shift{3-0};
3327 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
3328 def MVNi : AsI1<0b1111, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm,
3329 IIC_iMVNi, "mvn", "\t$Rd, $imm",
3330 [(set GPR:$Rd, so_imm_not:$imm)]>,UnaryDP {
3334 let Inst{19-16} = 0b0000;
3335 let Inst{15-12} = Rd;
3336 let Inst{11-0} = imm;
3339 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
3340 (BICri GPR:$src, so_imm_not:$imm)>;
3342 //===----------------------------------------------------------------------===//
3343 // Multiply Instructions.
3345 class AsMul1I32<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
3346 string opc, string asm, list<dag> pattern>
3347 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
3351 let Inst{19-16} = Rd;
3352 let Inst{11-8} = Rm;
3355 class AsMul1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
3356 string opc, string asm, list<dag> pattern>
3357 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
3362 let Inst{19-16} = RdHi;
3363 let Inst{15-12} = RdLo;
3364 let Inst{11-8} = Rm;
3368 // FIXME: The v5 pseudos are only necessary for the additional Constraint
3369 // property. Remove them when it's possible to add those properties
3370 // on an individual MachineInstr, not just an instuction description.
3371 let isCommutable = 1 in {
3372 def MUL : AsMul1I32<0b0000000, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3373 IIC_iMUL32, "mul", "\t$Rd, $Rn, $Rm",
3374 [(set GPR:$Rd, (mul GPR:$Rn, GPR:$Rm))]>,
3375 Requires<[IsARM, HasV6]> {
3376 let Inst{15-12} = 0b0000;
3379 let Constraints = "@earlyclobber $Rd" in
3380 def MULv5: ARMPseudoExpand<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
3381 pred:$p, cc_out:$s),
3383 [(set GPR:$Rd, (mul GPR:$Rn, GPR:$Rm))],
3384 (MUL GPR:$Rd, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3385 Requires<[IsARM, NoV6]>;
3388 def MLA : AsMul1I32<0b0000001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3389 IIC_iMAC32, "mla", "\t$Rd, $Rn, $Rm, $Ra",
3390 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
3391 Requires<[IsARM, HasV6]> {
3393 let Inst{15-12} = Ra;
3396 let Constraints = "@earlyclobber $Rd" in
3397 def MLAv5: ARMPseudoExpand<(outs GPR:$Rd),
3398 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra, pred:$p, cc_out:$s),
3400 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))],
3401 (MLA GPR:$Rd, GPR:$Rn, GPR:$Rm, GPR:$Ra, pred:$p, cc_out:$s)>,
3402 Requires<[IsARM, NoV6]>;
3404 def MLS : AMul1I<0b0000011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3405 IIC_iMAC32, "mls", "\t$Rd, $Rn, $Rm, $Ra",
3406 [(set GPR:$Rd, (sub GPR:$Ra, (mul GPR:$Rn, GPR:$Rm)))]>,
3407 Requires<[IsARM, HasV6T2]> {
3412 let Inst{19-16} = Rd;
3413 let Inst{15-12} = Ra;
3414 let Inst{11-8} = Rm;
3418 // Extra precision multiplies with low / high results
3419 let neverHasSideEffects = 1 in {
3420 let isCommutable = 1 in {
3421 def SMULL : AsMul1I64<0b0000110, (outs GPR:$RdLo, GPR:$RdHi),
3422 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
3423 "smull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3424 Requires<[IsARM, HasV6]>;
3426 def UMULL : AsMul1I64<0b0000100, (outs GPR:$RdLo, GPR:$RdHi),
3427 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
3428 "umull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3429 Requires<[IsARM, HasV6]>;
3431 let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
3432 def SMULLv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3433 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
3435 (SMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3436 Requires<[IsARM, NoV6]>;
3438 def UMULLv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3439 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
3441 (UMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3442 Requires<[IsARM, NoV6]>;
3446 // Multiply + accumulate
3447 def SMLAL : AsMul1I64<0b0000111, (outs GPR:$RdLo, GPR:$RdHi),
3448 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
3449 "smlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3450 Requires<[IsARM, HasV6]>;
3451 def UMLAL : AsMul1I64<0b0000101, (outs GPR:$RdLo, GPR:$RdHi),
3452 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
3453 "umlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3454 Requires<[IsARM, HasV6]>;
3456 def UMAAL : AMul1I <0b0000010, (outs GPR:$RdLo, GPR:$RdHi),
3457 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
3458 "umaal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3459 Requires<[IsARM, HasV6]> {
3464 let Inst{19-16} = RdHi;
3465 let Inst{15-12} = RdLo;
3466 let Inst{11-8} = Rm;
3470 let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
3471 def SMLALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3472 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
3474 (SMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3475 Requires<[IsARM, NoV6]>;
3476 def UMLALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3477 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
3479 (UMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3480 Requires<[IsARM, NoV6]>;
3481 def UMAALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3482 (ins GPR:$Rn, GPR:$Rm, pred:$p),
3484 (UMAAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p)>,
3485 Requires<[IsARM, NoV6]>;
3488 } // neverHasSideEffects
3490 // Most significant word multiply
3491 def SMMUL : AMul2I <0b0111010, 0b0001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3492 IIC_iMUL32, "smmul", "\t$Rd, $Rn, $Rm",
3493 [(set GPR:$Rd, (mulhs GPR:$Rn, GPR:$Rm))]>,
3494 Requires<[IsARM, HasV6]> {
3495 let Inst{15-12} = 0b1111;
3498 def SMMULR : AMul2I <0b0111010, 0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3499 IIC_iMUL32, "smmulr", "\t$Rd, $Rn, $Rm", []>,
3500 Requires<[IsARM, HasV6]> {
3501 let Inst{15-12} = 0b1111;
3504 def SMMLA : AMul2Ia <0b0111010, 0b0001, (outs GPR:$Rd),
3505 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3506 IIC_iMAC32, "smmla", "\t$Rd, $Rn, $Rm, $Ra",
3507 [(set GPR:$Rd, (add (mulhs GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
3508 Requires<[IsARM, HasV6]>;
3510 def SMMLAR : AMul2Ia <0b0111010, 0b0011, (outs GPR:$Rd),
3511 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3512 IIC_iMAC32, "smmlar", "\t$Rd, $Rn, $Rm, $Ra", []>,
3513 Requires<[IsARM, HasV6]>;
3515 def SMMLS : AMul2Ia <0b0111010, 0b1101, (outs GPR:$Rd),
3516 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3517 IIC_iMAC32, "smmls", "\t$Rd, $Rn, $Rm, $Ra",
3518 [(set GPR:$Rd, (sub GPR:$Ra, (mulhs GPR:$Rn, GPR:$Rm)))]>,
3519 Requires<[IsARM, HasV6]>;
3521 def SMMLSR : AMul2Ia <0b0111010, 0b1111, (outs GPR:$Rd),
3522 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3523 IIC_iMAC32, "smmlsr", "\t$Rd, $Rn, $Rm, $Ra", []>,
3524 Requires<[IsARM, HasV6]>;
3526 multiclass AI_smul<string opc, PatFrag opnode> {
3527 def BB : AMulxyI<0b0001011, 0b00, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3528 IIC_iMUL16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm",
3529 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
3530 (sext_inreg GPR:$Rm, i16)))]>,
3531 Requires<[IsARM, HasV5TE]>;
3533 def BT : AMulxyI<0b0001011, 0b10, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3534 IIC_iMUL16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm",
3535 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
3536 (sra GPR:$Rm, (i32 16))))]>,
3537 Requires<[IsARM, HasV5TE]>;
3539 def TB : AMulxyI<0b0001011, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3540 IIC_iMUL16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm",
3541 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
3542 (sext_inreg GPR:$Rm, i16)))]>,
3543 Requires<[IsARM, HasV5TE]>;
3545 def TT : AMulxyI<0b0001011, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3546 IIC_iMUL16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm",
3547 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
3548 (sra GPR:$Rm, (i32 16))))]>,
3549 Requires<[IsARM, HasV5TE]>;
3551 def WB : AMulxyI<0b0001001, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3552 IIC_iMUL16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm",
3553 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
3554 (sext_inreg GPR:$Rm, i16)), (i32 16)))]>,
3555 Requires<[IsARM, HasV5TE]>;
3557 def WT : AMulxyI<0b0001001, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3558 IIC_iMUL16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm",
3559 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
3560 (sra GPR:$Rm, (i32 16))), (i32 16)))]>,
3561 Requires<[IsARM, HasV5TE]>;
3565 multiclass AI_smla<string opc, PatFrag opnode> {
3566 let DecoderMethod = "DecodeSMLAInstruction" in {
3567 def BB : AMulxyIa<0b0001000, 0b00, (outs GPRnopc:$Rd),
3568 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3569 IIC_iMAC16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm, $Ra",
3570 [(set GPRnopc:$Rd, (add GPR:$Ra,
3571 (opnode (sext_inreg GPRnopc:$Rn, i16),
3572 (sext_inreg GPRnopc:$Rm, i16))))]>,
3573 Requires<[IsARM, HasV5TE]>;
3575 def BT : AMulxyIa<0b0001000, 0b10, (outs GPRnopc:$Rd),
3576 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3577 IIC_iMAC16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm, $Ra",
3579 (add GPR:$Ra, (opnode (sext_inreg GPRnopc:$Rn, i16),
3580 (sra GPRnopc:$Rm, (i32 16)))))]>,
3581 Requires<[IsARM, HasV5TE]>;
3583 def TB : AMulxyIa<0b0001000, 0b01, (outs GPRnopc:$Rd),
3584 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3585 IIC_iMAC16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm, $Ra",
3587 (add GPR:$Ra, (opnode (sra GPRnopc:$Rn, (i32 16)),
3588 (sext_inreg GPRnopc:$Rm, i16))))]>,
3589 Requires<[IsARM, HasV5TE]>;
3591 def TT : AMulxyIa<0b0001000, 0b11, (outs GPRnopc:$Rd),
3592 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3593 IIC_iMAC16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm, $Ra",
3595 (add GPR:$Ra, (opnode (sra GPRnopc:$Rn, (i32 16)),
3596 (sra GPRnopc:$Rm, (i32 16)))))]>,
3597 Requires<[IsARM, HasV5TE]>;
3599 def WB : AMulxyIa<0b0001001, 0b00, (outs GPRnopc:$Rd),
3600 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3601 IIC_iMAC16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm, $Ra",
3603 (add GPR:$Ra, (sra (opnode GPRnopc:$Rn,
3604 (sext_inreg GPRnopc:$Rm, i16)), (i32 16))))]>,
3605 Requires<[IsARM, HasV5TE]>;
3607 def WT : AMulxyIa<0b0001001, 0b10, (outs GPRnopc:$Rd),
3608 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3609 IIC_iMAC16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm, $Ra",
3611 (add GPR:$Ra, (sra (opnode GPRnopc:$Rn,
3612 (sra GPRnopc:$Rm, (i32 16))), (i32 16))))]>,
3613 Requires<[IsARM, HasV5TE]>;
3617 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
3618 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
3620 // Halfword multiply accumulate long: SMLAL<x><y>.
3621 def SMLALBB : AMulxyI64<0b0001010, 0b00, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3622 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3623 IIC_iMAC64, "smlalbb", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3624 Requires<[IsARM, HasV5TE]>;
3626 def SMLALBT : AMulxyI64<0b0001010, 0b10, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3627 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3628 IIC_iMAC64, "smlalbt", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3629 Requires<[IsARM, HasV5TE]>;
3631 def SMLALTB : AMulxyI64<0b0001010, 0b01, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3632 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3633 IIC_iMAC64, "smlaltb", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3634 Requires<[IsARM, HasV5TE]>;
3636 def SMLALTT : AMulxyI64<0b0001010, 0b11, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3637 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3638 IIC_iMAC64, "smlaltt", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3639 Requires<[IsARM, HasV5TE]>;
3641 // Helper class for AI_smld.
3642 class AMulDualIbase<bit long, bit sub, bit swap, dag oops, dag iops,
3643 InstrItinClass itin, string opc, string asm>
3644 : AI<oops, iops, MulFrm, itin, opc, asm, []>, Requires<[IsARM, HasV6]> {
3647 let Inst{27-23} = 0b01110;
3648 let Inst{22} = long;
3649 let Inst{21-20} = 0b00;
3650 let Inst{11-8} = Rm;
3657 class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
3658 InstrItinClass itin, string opc, string asm>
3659 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
3661 let Inst{15-12} = 0b1111;
3662 let Inst{19-16} = Rd;
3664 class AMulDualIa<bit long, bit sub, bit swap, dag oops, dag iops,
3665 InstrItinClass itin, string opc, string asm>
3666 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
3669 let Inst{19-16} = Rd;
3670 let Inst{15-12} = Ra;
3672 class AMulDualI64<bit long, bit sub, bit swap, dag oops, dag iops,
3673 InstrItinClass itin, string opc, string asm>
3674 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
3677 let Inst{19-16} = RdHi;
3678 let Inst{15-12} = RdLo;
3681 multiclass AI_smld<bit sub, string opc> {
3683 def D : AMulDualIa<0, sub, 0, (outs GPRnopc:$Rd),
3684 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3685 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm, $Ra">;
3687 def DX: AMulDualIa<0, sub, 1, (outs GPRnopc:$Rd),
3688 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3689 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm, $Ra">;
3691 def LD: AMulDualI64<1, sub, 0, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3692 (ins GPRnopc:$Rn, GPRnopc:$Rm), NoItinerary,
3693 !strconcat(opc, "ld"), "\t$RdLo, $RdHi, $Rn, $Rm">;
3695 def LDX : AMulDualI64<1, sub, 1, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3696 (ins GPRnopc:$Rn, GPRnopc:$Rm), NoItinerary,
3697 !strconcat(opc, "ldx"),"\t$RdLo, $RdHi, $Rn, $Rm">;
3701 defm SMLA : AI_smld<0, "smla">;
3702 defm SMLS : AI_smld<1, "smls">;
3704 multiclass AI_sdml<bit sub, string opc> {
3706 def D:AMulDualI<0, sub, 0, (outs GPRnopc:$Rd), (ins GPRnopc:$Rn, GPRnopc:$Rm),
3707 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm">;
3708 def DX:AMulDualI<0, sub, 1, (outs GPRnopc:$Rd),(ins GPRnopc:$Rn, GPRnopc:$Rm),
3709 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm">;
3712 defm SMUA : AI_sdml<0, "smua">;
3713 defm SMUS : AI_sdml<1, "smus">;
3715 //===----------------------------------------------------------------------===//
3716 // Misc. Arithmetic Instructions.
3719 def CLZ : AMiscA1I<0b000010110, 0b0001, (outs GPR:$Rd), (ins GPR:$Rm),
3720 IIC_iUNAr, "clz", "\t$Rd, $Rm",
3721 [(set GPR:$Rd, (ctlz GPR:$Rm))]>, Requires<[IsARM, HasV5T]>;
3723 def RBIT : AMiscA1I<0b01101111, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
3724 IIC_iUNAr, "rbit", "\t$Rd, $Rm",
3725 [(set GPR:$Rd, (ARMrbit GPR:$Rm))]>,
3726 Requires<[IsARM, HasV6T2]>;
3728 def REV : AMiscA1I<0b01101011, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
3729 IIC_iUNAr, "rev", "\t$Rd, $Rm",
3730 [(set GPR:$Rd, (bswap GPR:$Rm))]>, Requires<[IsARM, HasV6]>;
3732 let AddedComplexity = 5 in
3733 def REV16 : AMiscA1I<0b01101011, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
3734 IIC_iUNAr, "rev16", "\t$Rd, $Rm",
3735 [(set GPR:$Rd, (rotr (bswap GPR:$Rm), (i32 16)))]>,
3736 Requires<[IsARM, HasV6]>;
3738 let AddedComplexity = 5 in
3739 def REVSH : AMiscA1I<0b01101111, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
3740 IIC_iUNAr, "revsh", "\t$Rd, $Rm",
3741 [(set GPR:$Rd, (sra (bswap GPR:$Rm), (i32 16)))]>,
3742 Requires<[IsARM, HasV6]>;
3744 def : ARMV6Pat<(or (sra (shl GPR:$Rm, (i32 24)), (i32 16)),
3745 (and (srl GPR:$Rm, (i32 8)), 0xFF)),
3748 def PKHBT : APKHI<0b01101000, 0, (outs GPR:$Rd),
3749 (ins GPR:$Rn, GPR:$Rm, pkh_lsl_amt:$sh),
3750 IIC_iALUsi, "pkhbt", "\t$Rd, $Rn, $Rm$sh",
3751 [(set GPR:$Rd, (or (and GPR:$Rn, 0xFFFF),
3752 (and (shl GPR:$Rm, pkh_lsl_amt:$sh),
3754 Requires<[IsARM, HasV6]>;
3756 // Alternate cases for PKHBT where identities eliminate some nodes.
3757 def : ARMV6Pat<(or (and GPR:$Rn, 0xFFFF), (and GPR:$Rm, 0xFFFF0000)),
3758 (PKHBT GPR:$Rn, GPR:$Rm, 0)>;
3759 def : ARMV6Pat<(or (and GPR:$Rn, 0xFFFF), (shl GPR:$Rm, imm16_31:$sh)),
3760 (PKHBT GPR:$Rn, GPR:$Rm, imm16_31:$sh)>;
3762 // Note: Shifts of 1-15 bits will be transformed to srl instead of sra and
3763 // will match the pattern below.
3764 def PKHTB : APKHI<0b01101000, 1, (outs GPR:$Rd),
3765 (ins GPR:$Rn, GPR:$Rm, pkh_asr_amt:$sh),
3766 IIC_iBITsi, "pkhtb", "\t$Rd, $Rn, $Rm$sh",
3767 [(set GPR:$Rd, (or (and GPR:$Rn, 0xFFFF0000),
3768 (and (sra GPR:$Rm, pkh_asr_amt:$sh),
3770 Requires<[IsARM, HasV6]>;
3772 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
3773 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
3774 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000), (srl GPR:$src2, imm16_31:$sh)),
3775 (PKHTB GPR:$src1, GPR:$src2, imm16_31:$sh)>;
3776 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000),
3777 (and (srl GPR:$src2, imm1_15:$sh), 0xFFFF)),
3778 (PKHTB GPR:$src1, GPR:$src2, imm1_15:$sh)>;
3780 //===----------------------------------------------------------------------===//
3781 // Comparison Instructions...
3784 defm CMP : AI1_cmp_irs<0b1010, "cmp",
3785 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
3786 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
3788 // ARMcmpZ can re-use the above instruction definitions.
3789 def : ARMPat<(ARMcmpZ GPR:$src, so_imm:$imm),
3790 (CMPri GPR:$src, so_imm:$imm)>;
3791 def : ARMPat<(ARMcmpZ GPR:$src, GPR:$rhs),
3792 (CMPrr GPR:$src, GPR:$rhs)>;
3793 def : ARMPat<(ARMcmpZ GPR:$src, so_reg_imm:$rhs),
3794 (CMPrsi GPR:$src, so_reg_imm:$rhs)>;
3795 def : ARMPat<(ARMcmpZ GPR:$src, so_reg_reg:$rhs),
3796 (CMPrsr GPR:$src, so_reg_reg:$rhs)>;
3798 // FIXME: We have to be careful when using the CMN instruction and comparison
3799 // with 0. One would expect these two pieces of code should give identical
3815 // However, the CMN gives the *opposite* result when r1 is 0. This is because
3816 // the carry flag is set in the CMP case but not in the CMN case. In short, the
3817 // CMP instruction doesn't perform a truncate of the (logical) NOT of 0 plus the
3818 // value of r0 and the carry bit (because the "carry bit" parameter to
3819 // AddWithCarry is defined as 1 in this case, the carry flag will always be set
3820 // when r0 >= 0). The CMN instruction doesn't perform a NOT of 0 so there is
3821 // never a "carry" when this AddWithCarry is performed (because the "carry bit"
3822 // parameter to AddWithCarry is defined as 0).
3824 // When x is 0 and unsigned:
3828 // ~x + 1 = 0x1 0000 0000
3829 // (-x = 0) != (0x1 0000 0000 = ~x + 1)
3831 // Therefore, we should disable CMN when comparing against zero, until we can
3832 // limit when the CMN instruction is used (when we know that the RHS is not 0 or
3833 // when it's a comparison which doesn't look at the 'carry' flag).
3835 // (See the ARM docs for the "AddWithCarry" pseudo-code.)
3837 // This is related to <rdar://problem/7569620>.
3839 //defm CMN : AI1_cmp_irs<0b1011, "cmn",
3840 // BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
3842 // Note that TST/TEQ don't set all the same flags that CMP does!
3843 defm TST : AI1_cmp_irs<0b1000, "tst",
3844 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
3845 BinOpFrag<(ARMcmpZ (and_su node:$LHS, node:$RHS), 0)>, 1>;
3846 defm TEQ : AI1_cmp_irs<0b1001, "teq",
3847 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
3848 BinOpFrag<(ARMcmpZ (xor_su node:$LHS, node:$RHS), 0)>, 1>;
3850 defm CMNz : AI1_cmp_irs<0b1011, "cmn",
3851 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
3852 BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>>;
3854 //def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
3855 // (CMNri GPR:$src, so_imm_neg:$imm)>;
3857 def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
3858 (CMNzri GPR:$src, so_imm_neg:$imm)>;
3860 // Pseudo i64 compares for some floating point compares.
3861 let usesCustomInserter = 1, isBranch = 1, isTerminator = 1,
3863 def BCCi64 : PseudoInst<(outs),
3864 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, brtarget:$dst),
3866 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, bb:$dst)]>;
3868 def BCCZi64 : PseudoInst<(outs),
3869 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, brtarget:$dst), IIC_Br,
3870 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, 0, 0, bb:$dst)]>;
3871 } // usesCustomInserter
3874 // Conditional moves
3875 // FIXME: should be able to write a pattern for ARMcmov, but can't use
3876 // a two-value operand where a dag node expects two operands. :(
3877 let neverHasSideEffects = 1 in {
3878 def MOVCCr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$false, GPR:$Rm, pred:$p),
3880 [/*(set GPR:$Rd, (ARMcmov GPR:$false, GPR:$Rm, imm:$cc, CCR:$ccr))*/]>,
3881 RegConstraint<"$false = $Rd">;
3882 def MOVCCsi : ARMPseudoInst<(outs GPR:$Rd),
3883 (ins GPR:$false, so_reg_imm:$shift, pred:$p),
3885 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_reg_imm:$shift,
3886 imm:$cc, CCR:$ccr))*/]>,
3887 RegConstraint<"$false = $Rd">;
3888 def MOVCCsr : ARMPseudoInst<(outs GPR:$Rd),
3889 (ins GPR:$false, so_reg_reg:$shift, pred:$p),
3891 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_reg_reg:$shift,
3892 imm:$cc, CCR:$ccr))*/]>,
3893 RegConstraint<"$false = $Rd">;
3896 let isMoveImm = 1 in
3897 def MOVCCi16 : ARMPseudoInst<(outs GPR:$Rd),
3898 (ins GPR:$false, imm0_65535_expr:$imm, pred:$p),
3901 RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>;
3903 let isMoveImm = 1 in
3904 def MOVCCi : ARMPseudoInst<(outs GPR:$Rd),
3905 (ins GPR:$false, so_imm:$imm, pred:$p),
3907 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm:$imm, imm:$cc, CCR:$ccr))*/]>,
3908 RegConstraint<"$false = $Rd">;
3910 // Two instruction predicate mov immediate.
3911 let isMoveImm = 1 in
3912 def MOVCCi32imm : ARMPseudoInst<(outs GPR:$Rd),
3913 (ins GPR:$false, i32imm:$src, pred:$p),
3914 8, IIC_iCMOVix2, []>, RegConstraint<"$false = $Rd">;
3916 let isMoveImm = 1 in
3917 def MVNCCi : ARMPseudoInst<(outs GPR:$Rd),
3918 (ins GPR:$false, so_imm:$imm, pred:$p),
3920 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm_not:$imm, imm:$cc, CCR:$ccr))*/]>,
3921 RegConstraint<"$false = $Rd">;
3922 } // neverHasSideEffects
3924 //===----------------------------------------------------------------------===//
3925 // Atomic operations intrinsics
3928 def MemBarrierOptOperand : AsmOperandClass {
3929 let Name = "MemBarrierOpt";
3930 let ParserMethod = "parseMemBarrierOptOperand";
3932 def memb_opt : Operand<i32> {
3933 let PrintMethod = "printMemBOption";
3934 let ParserMatchClass = MemBarrierOptOperand;
3935 let DecoderMethod = "DecodeMemBarrierOption";
3938 // memory barriers protect the atomic sequences
3939 let hasSideEffects = 1 in {
3940 def DMB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
3941 "dmb", "\t$opt", [(ARMMemBarrier (i32 imm:$opt))]>,
3942 Requires<[IsARM, HasDB]> {
3944 let Inst{31-4} = 0xf57ff05;
3945 let Inst{3-0} = opt;
3949 def DSB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
3950 "dsb", "\t$opt", []>,
3951 Requires<[IsARM, HasDB]> {
3953 let Inst{31-4} = 0xf57ff04;
3954 let Inst{3-0} = opt;
3957 // ISB has only full system option
3958 def ISB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
3959 "isb", "\t$opt", []>,
3960 Requires<[IsARM, HasDB]> {
3962 let Inst{31-4} = 0xf57ff06;
3963 let Inst{3-0} = opt;
3966 let usesCustomInserter = 1 in {
3967 let Uses = [CPSR] in {
3968 def ATOMIC_LOAD_ADD_I8 : PseudoInst<
3969 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3970 [(set GPR:$dst, (atomic_load_add_8 GPR:$ptr, GPR:$incr))]>;
3971 def ATOMIC_LOAD_SUB_I8 : PseudoInst<
3972 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3973 [(set GPR:$dst, (atomic_load_sub_8 GPR:$ptr, GPR:$incr))]>;
3974 def ATOMIC_LOAD_AND_I8 : PseudoInst<
3975 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3976 [(set GPR:$dst, (atomic_load_and_8 GPR:$ptr, GPR:$incr))]>;
3977 def ATOMIC_LOAD_OR_I8 : PseudoInst<
3978 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3979 [(set GPR:$dst, (atomic_load_or_8 GPR:$ptr, GPR:$incr))]>;
3980 def ATOMIC_LOAD_XOR_I8 : PseudoInst<
3981 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3982 [(set GPR:$dst, (atomic_load_xor_8 GPR:$ptr, GPR:$incr))]>;
3983 def ATOMIC_LOAD_NAND_I8 : PseudoInst<
3984 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3985 [(set GPR:$dst, (atomic_load_nand_8 GPR:$ptr, GPR:$incr))]>;
3986 def ATOMIC_LOAD_MIN_I8 : PseudoInst<
3987 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3988 [(set GPR:$dst, (atomic_load_min_8 GPR:$ptr, GPR:$val))]>;
3989 def ATOMIC_LOAD_MAX_I8 : PseudoInst<
3990 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3991 [(set GPR:$dst, (atomic_load_max_8 GPR:$ptr, GPR:$val))]>;
3992 def ATOMIC_LOAD_UMIN_I8 : PseudoInst<
3993 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3994 [(set GPR:$dst, (atomic_load_min_8 GPR:$ptr, GPR:$val))]>;
3995 def ATOMIC_LOAD_UMAX_I8 : PseudoInst<
3996 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3997 [(set GPR:$dst, (atomic_load_max_8 GPR:$ptr, GPR:$val))]>;
3998 def ATOMIC_LOAD_ADD_I16 : PseudoInst<
3999 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4000 [(set GPR:$dst, (atomic_load_add_16 GPR:$ptr, GPR:$incr))]>;
4001 def ATOMIC_LOAD_SUB_I16 : PseudoInst<
4002 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4003 [(set GPR:$dst, (atomic_load_sub_16 GPR:$ptr, GPR:$incr))]>;
4004 def ATOMIC_LOAD_AND_I16 : PseudoInst<
4005 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4006 [(set GPR:$dst, (atomic_load_and_16 GPR:$ptr, GPR:$incr))]>;
4007 def ATOMIC_LOAD_OR_I16 : PseudoInst<
4008 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4009 [(set GPR:$dst, (atomic_load_or_16 GPR:$ptr, GPR:$incr))]>;
4010 def ATOMIC_LOAD_XOR_I16 : PseudoInst<
4011 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4012 [(set GPR:$dst, (atomic_load_xor_16 GPR:$ptr, GPR:$incr))]>;
4013 def ATOMIC_LOAD_NAND_I16 : PseudoInst<
4014 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4015 [(set GPR:$dst, (atomic_load_nand_16 GPR:$ptr, GPR:$incr))]>;
4016 def ATOMIC_LOAD_MIN_I16 : PseudoInst<
4017 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4018 [(set GPR:$dst, (atomic_load_min_16 GPR:$ptr, GPR:$val))]>;
4019 def ATOMIC_LOAD_MAX_I16 : PseudoInst<
4020 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4021 [(set GPR:$dst, (atomic_load_max_16 GPR:$ptr, GPR:$val))]>;
4022 def ATOMIC_LOAD_UMIN_I16 : PseudoInst<
4023 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4024 [(set GPR:$dst, (atomic_load_min_16 GPR:$ptr, GPR:$val))]>;
4025 def ATOMIC_LOAD_UMAX_I16 : PseudoInst<
4026 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4027 [(set GPR:$dst, (atomic_load_max_16 GPR:$ptr, GPR:$val))]>;
4028 def ATOMIC_LOAD_ADD_I32 : PseudoInst<
4029 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4030 [(set GPR:$dst, (atomic_load_add_32 GPR:$ptr, GPR:$incr))]>;
4031 def ATOMIC_LOAD_SUB_I32 : PseudoInst<
4032 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4033 [(set GPR:$dst, (atomic_load_sub_32 GPR:$ptr, GPR:$incr))]>;
4034 def ATOMIC_LOAD_AND_I32 : PseudoInst<
4035 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4036 [(set GPR:$dst, (atomic_load_and_32 GPR:$ptr, GPR:$incr))]>;
4037 def ATOMIC_LOAD_OR_I32 : PseudoInst<
4038 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4039 [(set GPR:$dst, (atomic_load_or_32 GPR:$ptr, GPR:$incr))]>;
4040 def ATOMIC_LOAD_XOR_I32 : PseudoInst<
4041 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4042 [(set GPR:$dst, (atomic_load_xor_32 GPR:$ptr, GPR:$incr))]>;
4043 def ATOMIC_LOAD_NAND_I32 : PseudoInst<
4044 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4045 [(set GPR:$dst, (atomic_load_nand_32 GPR:$ptr, GPR:$incr))]>;
4046 def ATOMIC_LOAD_MIN_I32 : PseudoInst<
4047 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4048 [(set GPR:$dst, (atomic_load_min_32 GPR:$ptr, GPR:$val))]>;
4049 def ATOMIC_LOAD_MAX_I32 : PseudoInst<
4050 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4051 [(set GPR:$dst, (atomic_load_max_32 GPR:$ptr, GPR:$val))]>;
4052 def ATOMIC_LOAD_UMIN_I32 : PseudoInst<
4053 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4054 [(set GPR:$dst, (atomic_load_min_32 GPR:$ptr, GPR:$val))]>;
4055 def ATOMIC_LOAD_UMAX_I32 : PseudoInst<
4056 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4057 [(set GPR:$dst, (atomic_load_max_32 GPR:$ptr, GPR:$val))]>;
4059 def ATOMIC_SWAP_I8 : PseudoInst<
4060 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
4061 [(set GPR:$dst, (atomic_swap_8 GPR:$ptr, GPR:$new))]>;
4062 def ATOMIC_SWAP_I16 : PseudoInst<
4063 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
4064 [(set GPR:$dst, (atomic_swap_16 GPR:$ptr, GPR:$new))]>;
4065 def ATOMIC_SWAP_I32 : PseudoInst<
4066 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
4067 [(set GPR:$dst, (atomic_swap_32 GPR:$ptr, GPR:$new))]>;
4069 def ATOMIC_CMP_SWAP_I8 : PseudoInst<
4070 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
4071 [(set GPR:$dst, (atomic_cmp_swap_8 GPR:$ptr, GPR:$old, GPR:$new))]>;
4072 def ATOMIC_CMP_SWAP_I16 : PseudoInst<
4073 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
4074 [(set GPR:$dst, (atomic_cmp_swap_16 GPR:$ptr, GPR:$old, GPR:$new))]>;
4075 def ATOMIC_CMP_SWAP_I32 : PseudoInst<
4076 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
4077 [(set GPR:$dst, (atomic_cmp_swap_32 GPR:$ptr, GPR:$old, GPR:$new))]>;
4081 let mayLoad = 1 in {
4082 def LDREXB : AIldrex<0b10, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4084 "ldrexb", "\t$Rt, $addr", []>;
4085 def LDREXH : AIldrex<0b11, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4086 NoItinerary, "ldrexh", "\t$Rt, $addr", []>;
4087 def LDREX : AIldrex<0b00, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4088 NoItinerary, "ldrex", "\t$Rt, $addr", []>;
4089 let hasExtraDefRegAllocReq = 1 in
4090 def LDREXD: AIldrex<0b01, (outs GPR:$Rt, GPR:$Rt2),(ins addr_offset_none:$addr),
4091 NoItinerary, "ldrexd", "\t$Rt, $Rt2, $addr", []> {
4092 let DecoderMethod = "DecodeDoubleRegLoad";
4096 let mayStore = 1, Constraints = "@earlyclobber $Rd" in {
4097 def STREXB: AIstrex<0b10, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4098 NoItinerary, "strexb", "\t$Rd, $Rt, $addr", []>;
4099 def STREXH: AIstrex<0b11, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4100 NoItinerary, "strexh", "\t$Rd, $Rt, $addr", []>;
4101 def STREX : AIstrex<0b00, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4102 NoItinerary, "strex", "\t$Rd, $Rt, $addr", []>;
4105 let hasExtraSrcRegAllocReq = 1, Constraints = "@earlyclobber $Rd" in
4106 def STREXD : AIstrex<0b01, (outs GPR:$Rd),
4107 (ins GPR:$Rt, GPR:$Rt2, addr_offset_none:$addr),
4108 NoItinerary, "strexd", "\t$Rd, $Rt, $Rt2, $addr", []> {
4109 let DecoderMethod = "DecodeDoubleRegStore";
4112 def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex", []>,
4113 Requires<[IsARM, HasV7]> {
4114 let Inst{31-0} = 0b11110101011111111111000000011111;
4117 // SWP/SWPB are deprecated in V6/V7.
4118 let mayLoad = 1, mayStore = 1 in {
4119 def SWP : AIswp<0, (outs GPR:$Rt), (ins GPR:$Rt2, addr_offset_none:$addr),
4121 def SWPB: AIswp<1, (outs GPR:$Rt), (ins GPR:$Rt2, addr_offset_none:$addr),
4125 //===----------------------------------------------------------------------===//
4126 // Coprocessor Instructions.
4129 def CDP : ABI<0b1110, (outs), (ins p_imm:$cop, imm0_15:$opc1,
4130 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, imm0_7:$opc2),
4131 NoItinerary, "cdp", "\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
4132 [(int_arm_cdp imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
4133 imm:$CRm, imm:$opc2)]> {
4141 let Inst{3-0} = CRm;
4143 let Inst{7-5} = opc2;
4144 let Inst{11-8} = cop;
4145 let Inst{15-12} = CRd;
4146 let Inst{19-16} = CRn;
4147 let Inst{23-20} = opc1;
4150 def CDP2 : ABXI<0b1110, (outs), (ins p_imm:$cop, imm0_15:$opc1,
4151 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, imm0_7:$opc2),
4152 NoItinerary, "cdp2\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
4153 [(int_arm_cdp2 imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
4154 imm:$CRm, imm:$opc2)]> {
4155 let Inst{31-28} = 0b1111;
4163 let Inst{3-0} = CRm;
4165 let Inst{7-5} = opc2;
4166 let Inst{11-8} = cop;
4167 let Inst{15-12} = CRd;
4168 let Inst{19-16} = CRn;
4169 let Inst{23-20} = opc1;
4172 class ACI<dag oops, dag iops, string opc, string asm,
4173 IndexMode im = IndexModeNone>
4174 : InoP<oops, iops, AddrModeNone, 4, im, BrFrm, NoItinerary,
4176 let Inst{27-25} = 0b110;
4179 multiclass LdStCop<bits<4> op31_28, bit load, dag ops, string opc, string cond>{
4180 let DecoderNamespace = "Common" in {
4181 def _OFFSET : ACI<(outs),
4182 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
4183 !strconcat(opc, cond), "\tp$cop, cr$CRd, $addr"> {
4184 let Inst{31-28} = op31_28;
4185 let Inst{24} = 1; // P = 1
4186 let Inst{21} = 0; // W = 0
4187 let Inst{22} = 0; // D = 0
4188 let Inst{20} = load;
4189 let DecoderMethod = "DecodeCopMemInstruction";
4192 def _PRE : ACI<(outs),
4193 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
4194 !strconcat(opc, cond), "\tp$cop, cr$CRd, $addr!", IndexModePre> {
4195 let Inst{31-28} = op31_28;
4196 let Inst{24} = 1; // P = 1
4197 let Inst{21} = 1; // W = 1
4198 let Inst{22} = 0; // D = 0
4199 let Inst{20} = load;
4200 let DecoderMethod = "DecodeCopMemInstruction";
4203 def _POST : ACI<(outs),
4204 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
4205 !strconcat(opc, cond), "\tp$cop, cr$CRd, $addr", IndexModePost> {
4206 let Inst{31-28} = op31_28;
4207 let Inst{24} = 0; // P = 0
4208 let Inst{21} = 1; // W = 1
4209 let Inst{22} = 0; // D = 0
4210 let Inst{20} = load;
4211 let DecoderMethod = "DecodeCopMemInstruction";
4214 def _OPTION : ACI<(outs),
4215 !con((ins nohash_imm:$cop,nohash_imm:$CRd,GPR:$base, nohash_imm:$option),
4217 !strconcat(opc, cond), "\tp$cop, cr$CRd, [$base], \\{$option\\}"> {
4218 let Inst{31-28} = op31_28;
4219 let Inst{24} = 0; // P = 0
4220 let Inst{23} = 1; // U = 1
4221 let Inst{21} = 0; // W = 0
4222 let Inst{22} = 0; // D = 0
4223 let Inst{20} = load;
4224 let DecoderMethod = "DecodeCopMemInstruction";
4227 def L_OFFSET : ACI<(outs),
4228 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
4229 !strconcat(!strconcat(opc, "l"), cond), "\tp$cop, cr$CRd, $addr"> {
4230 let Inst{31-28} = op31_28;
4231 let Inst{24} = 1; // P = 1
4232 let Inst{21} = 0; // W = 0
4233 let Inst{22} = 1; // D = 1
4234 let Inst{20} = load;
4235 let DecoderMethod = "DecodeCopMemInstruction";
4238 def L_PRE : ACI<(outs),
4239 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
4240 !strconcat(!strconcat(opc, "l"), cond), "\tp$cop, cr$CRd, $addr!",
4242 let Inst{31-28} = op31_28;
4243 let Inst{24} = 1; // P = 1
4244 let Inst{21} = 1; // W = 1
4245 let Inst{22} = 1; // D = 1
4246 let Inst{20} = load;
4247 let DecoderMethod = "DecodeCopMemInstruction";
4250 def L_POST : ACI<(outs),
4251 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addr_offset_none:$addr,
4252 postidx_imm8s4:$offset), ops),
4253 !strconcat(!strconcat(opc, "l"), cond), "\tp$cop, cr$CRd, $addr, $offset",
4255 let Inst{31-28} = op31_28;
4256 let Inst{24} = 0; // P = 0
4257 let Inst{21} = 1; // W = 1
4258 let Inst{22} = 1; // D = 1
4259 let Inst{20} = load;
4260 let DecoderMethod = "DecodeCopMemInstruction";
4263 def L_OPTION : ACI<(outs),
4264 !con((ins nohash_imm:$cop, nohash_imm:$CRd,GPR:$base,nohash_imm:$option),
4266 !strconcat(!strconcat(opc, "l"), cond),
4267 "\tp$cop, cr$CRd, [$base], \\{$option\\}"> {
4268 let Inst{31-28} = op31_28;
4269 let Inst{24} = 0; // P = 0
4270 let Inst{23} = 1; // U = 1
4271 let Inst{21} = 0; // W = 0
4272 let Inst{22} = 1; // D = 1
4273 let Inst{20} = load;
4274 let DecoderMethod = "DecodeCopMemInstruction";
4279 defm LDC : LdStCop<{?,?,?,?}, 1, (ins pred:$p), "ldc", "${p}">;
4280 defm LDC2 : LdStCop<0b1111, 1, (ins), "ldc2", "">;
4281 defm STC : LdStCop<{?,?,?,?}, 0, (ins pred:$p), "stc", "${p}">;
4282 defm STC2 : LdStCop<0b1111, 0, (ins), "stc2", "">;
4284 //===----------------------------------------------------------------------===//
4285 // Move between coprocessor and ARM core register.
4288 class MovRCopro<string opc, bit direction, dag oops, dag iops,
4290 : ABI<0b1110, oops, iops, NoItinerary, opc,
4291 "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2", pattern> {
4292 let Inst{20} = direction;
4302 let Inst{15-12} = Rt;
4303 let Inst{11-8} = cop;
4304 let Inst{23-21} = opc1;
4305 let Inst{7-5} = opc2;
4306 let Inst{3-0} = CRm;
4307 let Inst{19-16} = CRn;
4310 def MCR : MovRCopro<"mcr", 0 /* from ARM core register to coprocessor */,
4312 (ins p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
4313 c_imm:$CRm, imm0_7:$opc2),
4314 [(int_arm_mcr imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
4315 imm:$CRm, imm:$opc2)]>;
4316 def MRC : MovRCopro<"mrc", 1 /* from coprocessor to ARM core register */,
4318 (ins p_imm:$cop, imm0_7:$opc1, c_imm:$CRn, c_imm:$CRm,
4321 def : ARMPat<(int_arm_mrc imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2),
4322 (MRC imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
4324 class MovRCopro2<string opc, bit direction, dag oops, dag iops,
4326 : ABXI<0b1110, oops, iops, NoItinerary,
4327 !strconcat(opc, "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2"), pattern> {
4328 let Inst{31-28} = 0b1111;
4329 let Inst{20} = direction;
4339 let Inst{15-12} = Rt;
4340 let Inst{11-8} = cop;
4341 let Inst{23-21} = opc1;
4342 let Inst{7-5} = opc2;
4343 let Inst{3-0} = CRm;
4344 let Inst{19-16} = CRn;
4347 def MCR2 : MovRCopro2<"mcr2", 0 /* from ARM core register to coprocessor */,
4349 (ins p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
4350 c_imm:$CRm, imm0_7:$opc2),
4351 [(int_arm_mcr2 imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
4352 imm:$CRm, imm:$opc2)]>;
4353 def MRC2 : MovRCopro2<"mrc2", 1 /* from coprocessor to ARM core register */,
4355 (ins p_imm:$cop, imm0_7:$opc1, c_imm:$CRn, c_imm:$CRm,
4358 def : ARMV5TPat<(int_arm_mrc2 imm:$cop, imm:$opc1, imm:$CRn,
4359 imm:$CRm, imm:$opc2),
4360 (MRC2 imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
4362 class MovRRCopro<string opc, bit direction, list<dag> pattern = []>
4363 : ABI<0b1100, (outs), (ins p_imm:$cop, imm0_15:$opc1,
4364 GPR:$Rt, GPR:$Rt2, c_imm:$CRm),
4365 NoItinerary, opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm", pattern> {
4366 let Inst{23-21} = 0b010;
4367 let Inst{20} = direction;
4375 let Inst{15-12} = Rt;
4376 let Inst{19-16} = Rt2;
4377 let Inst{11-8} = cop;
4378 let Inst{7-4} = opc1;
4379 let Inst{3-0} = CRm;
4382 def MCRR : MovRRCopro<"mcrr", 0 /* from ARM core register to coprocessor */,
4383 [(int_arm_mcrr imm:$cop, imm:$opc1, GPR:$Rt, GPR:$Rt2,
4385 def MRRC : MovRRCopro<"mrrc", 1 /* from coprocessor to ARM core register */>;
4387 class MovRRCopro2<string opc, bit direction, list<dag> pattern = []>
4388 : ABXI<0b1100, (outs), (ins p_imm:$cop, imm0_15:$opc1,
4389 GPR:$Rt, GPR:$Rt2, c_imm:$CRm), NoItinerary,
4390 !strconcat(opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm"), pattern> {
4391 let Inst{31-28} = 0b1111;
4392 let Inst{23-21} = 0b010;
4393 let Inst{20} = direction;
4401 let Inst{15-12} = Rt;
4402 let Inst{19-16} = Rt2;
4403 let Inst{11-8} = cop;
4404 let Inst{7-4} = opc1;
4405 let Inst{3-0} = CRm;
4408 def MCRR2 : MovRRCopro2<"mcrr2", 0 /* from ARM core register to coprocessor */,
4409 [(int_arm_mcrr2 imm:$cop, imm:$opc1, GPR:$Rt, GPR:$Rt2,
4411 def MRRC2 : MovRRCopro2<"mrrc2", 1 /* from coprocessor to ARM core register */>;
4413 //===----------------------------------------------------------------------===//
4414 // Move between special register and ARM core register
4417 // Move to ARM core register from Special Register
4418 def MRS : ABI<0b0001, (outs GPR:$Rd), (ins), NoItinerary,
4419 "mrs", "\t$Rd, apsr", []> {
4421 let Inst{23-16} = 0b00001111;
4422 let Inst{15-12} = Rd;
4423 let Inst{7-4} = 0b0000;
4426 def : InstAlias<"mrs${p} $Rd, cpsr", (MRS GPR:$Rd, pred:$p)>, Requires<[IsARM]>;
4428 def MRSsys : ABI<0b0001, (outs GPR:$Rd), (ins), NoItinerary,
4429 "mrs", "\t$Rd, spsr", []> {
4431 let Inst{23-16} = 0b01001111;
4432 let Inst{15-12} = Rd;
4433 let Inst{7-4} = 0b0000;
4436 // Move from ARM core register to Special Register
4438 // No need to have both system and application versions, the encodings are the
4439 // same and the assembly parser has no way to distinguish between them. The mask
4440 // operand contains the special register (R Bit) in bit 4 and bits 3-0 contains
4441 // the mask with the fields to be accessed in the special register.
4442 def MSR : ABI<0b0001, (outs), (ins msr_mask:$mask, GPR:$Rn), NoItinerary,
4443 "msr", "\t$mask, $Rn", []> {
4448 let Inst{22} = mask{4}; // R bit
4449 let Inst{21-20} = 0b10;
4450 let Inst{19-16} = mask{3-0};
4451 let Inst{15-12} = 0b1111;
4452 let Inst{11-4} = 0b00000000;
4456 def MSRi : ABI<0b0011, (outs), (ins msr_mask:$mask, so_imm:$a), NoItinerary,
4457 "msr", "\t$mask, $a", []> {
4462 let Inst{22} = mask{4}; // R bit
4463 let Inst{21-20} = 0b10;
4464 let Inst{19-16} = mask{3-0};
4465 let Inst{15-12} = 0b1111;
4469 //===----------------------------------------------------------------------===//
4473 // __aeabi_read_tp preserves the registers r1-r3.
4474 // This is a pseudo inst so that we can get the encoding right,
4475 // complete with fixup for the aeabi_read_tp function.
4477 Defs = [R0, R12, LR, CPSR], Uses = [SP] in {
4478 def TPsoft : PseudoInst<(outs), (ins), IIC_Br,
4479 [(set R0, ARMthread_pointer)]>;
4482 //===----------------------------------------------------------------------===//
4483 // SJLJ Exception handling intrinsics
4484 // eh_sjlj_setjmp() is an instruction sequence to store the return
4485 // address and save #0 in R0 for the non-longjmp case.
4486 // Since by its nature we may be coming from some other function to get
4487 // here, and we're using the stack frame for the containing function to
4488 // save/restore registers, we can't keep anything live in regs across
4489 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
4490 // when we get here from a longjmp(). We force everything out of registers
4491 // except for our own input by listing the relevant registers in Defs. By
4492 // doing so, we also cause the prologue/epilogue code to actively preserve
4493 // all of the callee-saved resgisters, which is exactly what we want.
4494 // A constant value is passed in $val, and we use the location as a scratch.
4496 // These are pseudo-instructions and are lowered to individual MC-insts, so
4497 // no encoding information is necessary.
4499 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR,
4500 QQQQ0, QQQQ1, QQQQ2, QQQQ3 ], hasSideEffects = 1, isBarrier = 1 in {
4501 def Int_eh_sjlj_setjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
4503 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
4504 Requires<[IsARM, HasVFP2]>;
4508 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR ],
4509 hasSideEffects = 1, isBarrier = 1 in {
4510 def Int_eh_sjlj_setjmp_nofp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
4512 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
4513 Requires<[IsARM, NoVFP]>;
4516 // FIXME: Non-Darwin version(s)
4517 let isBarrier = 1, hasSideEffects = 1, isTerminator = 1,
4518 Defs = [ R7, LR, SP ] in {
4519 def Int_eh_sjlj_longjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$scratch),
4521 [(ARMeh_sjlj_longjmp GPR:$src, GPR:$scratch)]>,
4522 Requires<[IsARM, IsDarwin]>;
4525 // eh.sjlj.dispatchsetup pseudo-instruction.
4526 // This pseudo is used for ARM, Thumb1 and Thumb2. Any differences are
4527 // handled when the pseudo is expanded (which happens before any passes
4528 // that need the instruction size).
4529 let isBarrier = 1, hasSideEffects = 1 in
4530 def Int_eh_sjlj_dispatchsetup :
4531 PseudoInst<(outs), (ins GPR:$src), NoItinerary,
4532 [(ARMeh_sjlj_dispatchsetup GPR:$src)]>,
4533 Requires<[IsDarwin]>;
4535 //===----------------------------------------------------------------------===//
4536 // Non-Instruction Patterns
4539 // ARMv4 indirect branch using (MOVr PC, dst)
4540 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in
4541 def MOVPCRX : ARMPseudoExpand<(outs), (ins GPR:$dst),
4542 4, IIC_Br, [(brind GPR:$dst)],
4543 (MOVr PC, GPR:$dst, (ops 14, zero_reg), zero_reg)>,
4544 Requires<[IsARM, NoV4T]>;
4546 // Large immediate handling.
4548 // 32-bit immediate using two piece so_imms or movw + movt.
4549 // This is a single pseudo instruction, the benefit is that it can be remat'd
4550 // as a single unit instead of having to handle reg inputs.
4551 // FIXME: Remove this when we can do generalized remat.
4552 let isReMaterializable = 1, isMoveImm = 1 in
4553 def MOVi32imm : PseudoInst<(outs GPR:$dst), (ins i32imm:$src), IIC_iMOVix2,
4554 [(set GPR:$dst, (arm_i32imm:$src))]>,
4557 // Pseudo instruction that combines movw + movt + add pc (if PIC).
4558 // It also makes it possible to rematerialize the instructions.
4559 // FIXME: Remove this when we can do generalized remat and when machine licm
4560 // can properly the instructions.
4561 let isReMaterializable = 1 in {
4562 def MOV_ga_pcrel : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
4564 [(set GPR:$dst, (ARMWrapperPIC tglobaladdr:$addr))]>,
4565 Requires<[IsARM, UseMovt]>;
4567 def MOV_ga_dyn : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
4569 [(set GPR:$dst, (ARMWrapperDYN tglobaladdr:$addr))]>,
4570 Requires<[IsARM, UseMovt]>;
4572 let AddedComplexity = 10 in
4573 def MOV_ga_pcrel_ldr : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
4575 [(set GPR:$dst, (load (ARMWrapperPIC tglobaladdr:$addr)))]>,
4576 Requires<[IsARM, UseMovt]>;
4577 } // isReMaterializable
4579 // ConstantPool, GlobalAddress, and JumpTable
4580 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>,
4581 Requires<[IsARM, DontUseMovt]>;
4582 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
4583 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
4584 Requires<[IsARM, UseMovt]>;
4585 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
4586 (LEApcrelJT tjumptable:$dst, imm:$id)>;
4588 // TODO: add,sub,and, 3-instr forms?
4591 def : ARMPat<(ARMtcret tcGPR:$dst),
4592 (TCRETURNri tcGPR:$dst)>, Requires<[IsDarwin]>;
4594 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
4595 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
4597 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
4598 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
4600 def : ARMPat<(ARMtcret tcGPR:$dst),
4601 (TCRETURNriND tcGPR:$dst)>, Requires<[IsNotDarwin]>;
4603 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
4604 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
4606 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
4607 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
4610 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>,
4611 Requires<[IsARM, IsNotDarwin]>;
4612 def : ARMPat<(ARMcall texternalsym:$func), (BLr9 texternalsym:$func)>,
4613 Requires<[IsARM, IsDarwin]>;
4615 // zextload i1 -> zextload i8
4616 def : ARMPat<(zextloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
4617 def : ARMPat<(zextloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
4619 // extload -> zextload
4620 def : ARMPat<(extloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
4621 def : ARMPat<(extloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
4622 def : ARMPat<(extloadi8 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
4623 def : ARMPat<(extloadi8 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
4625 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
4627 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
4628 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
4631 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
4632 (sra (shl GPR:$b, (i32 16)), (i32 16))),
4633 (SMULBB GPR:$a, GPR:$b)>;
4634 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
4635 (SMULBB GPR:$a, GPR:$b)>;
4636 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
4637 (sra GPR:$b, (i32 16))),
4638 (SMULBT GPR:$a, GPR:$b)>;
4639 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
4640 (SMULBT GPR:$a, GPR:$b)>;
4641 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
4642 (sra (shl GPR:$b, (i32 16)), (i32 16))),
4643 (SMULTB GPR:$a, GPR:$b)>;
4644 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
4645 (SMULTB GPR:$a, GPR:$b)>;
4646 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
4648 (SMULWB GPR:$a, GPR:$b)>;
4649 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
4650 (SMULWB GPR:$a, GPR:$b)>;
4652 def : ARMV5TEPat<(add GPR:$acc,
4653 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
4654 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
4655 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
4656 def : ARMV5TEPat<(add GPR:$acc,
4657 (mul sext_16_node:$a, sext_16_node:$b)),
4658 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
4659 def : ARMV5TEPat<(add GPR:$acc,
4660 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
4661 (sra GPR:$b, (i32 16)))),
4662 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
4663 def : ARMV5TEPat<(add GPR:$acc,
4664 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
4665 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
4666 def : ARMV5TEPat<(add GPR:$acc,
4667 (mul (sra GPR:$a, (i32 16)),
4668 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
4669 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
4670 def : ARMV5TEPat<(add GPR:$acc,
4671 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
4672 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
4673 def : ARMV5TEPat<(add GPR:$acc,
4674 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
4676 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
4677 def : ARMV5TEPat<(add GPR:$acc,
4678 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
4679 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
4682 // Pre-v7 uses MCR for synchronization barriers.
4683 def : ARMPat<(ARMMemBarrierMCR GPR:$zero), (MCR 15, 0, GPR:$zero, 7, 10, 5)>,
4684 Requires<[IsARM, HasV6]>;
4686 // SXT/UXT with no rotate
4687 let AddedComplexity = 16 in {
4688 def : ARMV6Pat<(and GPR:$Src, 0x000000FF), (UXTB GPR:$Src, 0)>;
4689 def : ARMV6Pat<(and GPR:$Src, 0x0000FFFF), (UXTH GPR:$Src, 0)>;
4690 def : ARMV6Pat<(and GPR:$Src, 0x00FF00FF), (UXTB16 GPR:$Src, 0)>;
4691 def : ARMV6Pat<(add GPR:$Rn, (and GPR:$Rm, 0x00FF)),
4692 (UXTAB GPR:$Rn, GPR:$Rm, 0)>;
4693 def : ARMV6Pat<(add GPR:$Rn, (and GPR:$Rm, 0xFFFF)),
4694 (UXTAH GPR:$Rn, GPR:$Rm, 0)>;
4697 def : ARMV6Pat<(sext_inreg GPR:$Src, i8), (SXTB GPR:$Src, 0)>;
4698 def : ARMV6Pat<(sext_inreg GPR:$Src, i16), (SXTH GPR:$Src, 0)>;
4700 def : ARMV6Pat<(add GPR:$Rn, (sext_inreg GPRnopc:$Rm, i8)),
4701 (SXTAB GPR:$Rn, GPRnopc:$Rm, 0)>;
4702 def : ARMV6Pat<(add GPR:$Rn, (sext_inreg GPRnopc:$Rm, i16)),
4703 (SXTAH GPR:$Rn, GPRnopc:$Rm, 0)>;
4705 //===----------------------------------------------------------------------===//
4709 include "ARMInstrThumb.td"
4711 //===----------------------------------------------------------------------===//
4715 include "ARMInstrThumb2.td"
4717 //===----------------------------------------------------------------------===//
4718 // Floating Point Support
4721 include "ARMInstrVFP.td"
4723 //===----------------------------------------------------------------------===//
4724 // Advanced SIMD (NEON) Support
4727 include "ARMInstrNEON.td"
4729 //===----------------------------------------------------------------------===//
4730 // Assembler aliases
4734 def : InstAlias<"dmb", (DMB 0xf)>, Requires<[IsARM, HasDB]>;
4735 def : InstAlias<"dsb", (DSB 0xf)>, Requires<[IsARM, HasDB]>;
4736 def : InstAlias<"isb", (ISB 0xf)>, Requires<[IsARM, HasDB]>;
4738 // System instructions
4739 def : MnemonicAlias<"swi", "svc">;
4741 // Load / Store Multiple
4742 def : MnemonicAlias<"ldmfd", "ldm">;
4743 def : MnemonicAlias<"ldmia", "ldm">;
4744 def : MnemonicAlias<"stmfd", "stmdb">;
4745 def : MnemonicAlias<"stmia", "stm">;
4746 def : MnemonicAlias<"stmea", "stm">;
4748 // PKHBT/PKHTB with default shift amount. PKHTB is equivalent to PKHBT when the
4749 // shift amount is zero (i.e., unspecified).
4750 def : InstAlias<"pkhbt${p} $Rd, $Rn, $Rm",
4751 (PKHBT GPR:$Rd, GPR:$Rn, GPR:$Rm, 0, pred:$p)>;
4752 def : InstAlias<"pkhtb${p} $Rd, $Rn, $Rm",
4753 (PKHBT GPR:$Rd, GPR:$Rn, GPR:$Rm, 0, pred:$p)>;
4755 // PUSH/POP aliases for STM/LDM
4756 def : InstAlias<"push${p} $regs",
4757 (STMDB_UPD SP, pred:$p, reglist:$regs)>;
4758 def : InstAlias<"pop${p} $regs",
4759 (LDMIA_UPD SP, pred:$p, reglist:$regs)>;
4761 // RSB two-operand forms (optional explicit destination operand)
4762 def : InstAlias<"rsb${s}${p} $Rdn, $imm",
4763 (RSBri GPR:$Rdn, GPR:$Rdn, so_imm:$imm, pred:$p, cc_out:$s)>,
4765 def : InstAlias<"rsb${s}${p} $Rdn, $Rm",
4766 (RSBrr GPR:$Rdn, GPR:$Rdn, GPR:$Rm, pred:$p, cc_out:$s)>,
4768 def : InstAlias<"rsb${s}${p} $Rdn, $shift",
4769 (RSBrsi GPR:$Rdn, GPR:$Rdn, so_reg_imm:$shift, pred:$p,
4770 cc_out:$s)>, Requires<[IsARM]>;
4771 def : InstAlias<"rsb${s}${p} $Rdn, $shift",
4772 (RSBrsr GPR:$Rdn, GPR:$Rdn, so_reg_reg:$shift, pred:$p,
4773 cc_out:$s)>, Requires<[IsARM]>;
4774 // RSC two-operand forms (optional explicit destination operand)
4775 def : InstAlias<"rsc${s}${p} $Rdn, $imm",
4776 (RSCri GPR:$Rdn, GPR:$Rdn, so_imm:$imm, pred:$p, cc_out:$s)>,
4778 def : InstAlias<"rsc${s}${p} $Rdn, $Rm",
4779 (RSCrr GPR:$Rdn, GPR:$Rdn, GPR:$Rm, pred:$p, cc_out:$s)>,
4781 def : InstAlias<"rsc${s}${p} $Rdn, $shift",
4782 (RSCrsi GPR:$Rdn, GPR:$Rdn, so_reg_imm:$shift, pred:$p,
4783 cc_out:$s)>, Requires<[IsARM]>;
4784 def : InstAlias<"rsc${s}${p} $Rdn, $shift",
4785 (RSCrsr GPR:$Rdn, GPR:$Rdn, so_reg_reg:$shift, pred:$p,
4786 cc_out:$s)>, Requires<[IsARM]>;
4788 // SSAT/USAT optional shift operand.
4789 def : InstAlias<"ssat${p} $Rd, $sat_imm, $Rn",
4790 (SSAT GPRnopc:$Rd, imm1_32:$sat_imm, GPRnopc:$Rn, 0, pred:$p)>;
4791 def : InstAlias<"usat${p} $Rd, $sat_imm, $Rn",
4792 (USAT GPRnopc:$Rd, imm0_31:$sat_imm, GPRnopc:$Rn, 0, pred:$p)>;
4795 // Extend instruction optional rotate operand.
4796 def : InstAlias<"sxtab${p} $Rd, $Rn, $Rm",
4797 (SXTAB GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
4798 def : InstAlias<"sxtah${p} $Rd, $Rn, $Rm",
4799 (SXTAH GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
4800 def : InstAlias<"sxtab16${p} $Rd, $Rn, $Rm",
4801 (SXTAB16 GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
4802 def : InstAlias<"sxtb${p} $Rd, $Rm",
4803 (SXTB GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
4804 def : InstAlias<"sxtb16${p} $Rd, $Rm",
4805 (SXTB16 GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
4806 def : InstAlias<"sxth${p} $Rd, $Rm",
4807 (SXTH GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
4809 def : InstAlias<"uxtab${p} $Rd, $Rn, $Rm",
4810 (UXTAB GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
4811 def : InstAlias<"uxtah${p} $Rd, $Rn, $Rm",
4812 (UXTAH GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
4813 def : InstAlias<"uxtab16${p} $Rd, $Rn, $Rm",
4814 (UXTAB16 GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
4815 def : InstAlias<"uxtb${p} $Rd, $Rm",
4816 (UXTB GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
4817 def : InstAlias<"uxtb16${p} $Rd, $Rm",
4818 (UXTB16 GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
4819 def : InstAlias<"uxth${p} $Rd, $Rm",
4820 (UXTH GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
4824 def : MnemonicAlias<"rfefa", "rfeda">;
4825 def : MnemonicAlias<"rfeea", "rfedb">;
4826 def : MnemonicAlias<"rfefd", "rfeia">;
4827 def : MnemonicAlias<"rfeed", "rfeib">;
4828 def : MnemonicAlias<"rfe", "rfeia">;
4831 def : MnemonicAlias<"srsfa", "srsda">;
4832 def : MnemonicAlias<"srsea", "srsdb">;
4833 def : MnemonicAlias<"srsfd", "srsia">;
4834 def : MnemonicAlias<"srsed", "srsib">;
4835 def : MnemonicAlias<"srs", "srsia">;
4837 // LDRSBT/LDRHT/LDRSHT post-index offset if optional.
4838 // Note that the write-back output register is a dummy operand for MC (it's
4839 // only meaningful for codegen), so we just pass zero here.
4840 // FIXME: tblgen not cooperating with argument conversions.
4841 //def : InstAlias<"ldrsbt${p} $Rt, $addr",
4842 // (LDRSBTi GPR:$Rt, GPR:$Rt, addr_offset_none:$addr, 0,pred:$p)>;
4843 //def : InstAlias<"ldrht${p} $Rt, $addr",
4844 // (LDRHTi GPR:$Rt, GPR:$Rt, addr_offset_none:$addr, 0, pred:$p)>;
4845 //def : InstAlias<"ldrsht${p} $Rt, $addr",
4846 // (LDRSHTi GPR:$Rt, GPR:$Rt, addr_offset_none:$addr, 0, pred:$p)>;