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:$offsimm);
723 // FIXME: split into imm vs. reg versions.
724 // FIXME: parser method to handle +/- register.
725 def AM3OffsetAsmOperand : AsmOperandClass {
726 let Name = "AM3Offset";
727 let ParserMethod = "parseAM3Offset";
729 def am3offset : Operand<i32>,
730 ComplexPattern<i32, 2, "SelectAddrMode3Offset",
731 [], [SDNPWantRoot]> {
732 let EncoderMethod = "getAddrMode3OffsetOpValue";
733 let DecoderMethod = "DecodeAddrMode3Offset";
734 let PrintMethod = "printAddrMode3OffsetOperand";
735 let ParserMatchClass = AM3OffsetAsmOperand;
736 let MIOperandInfo = (ops GPR, i32imm);
739 // ldstm_mode := {ia, ib, da, db}
741 def ldstm_mode : OptionalDefOperand<OtherVT, (ops i32), (ops (i32 1))> {
742 let EncoderMethod = "getLdStmModeOpValue";
743 let PrintMethod = "printLdStmModeOperand";
746 // addrmode5 := reg +/- imm8*4
748 def AddrMode5AsmOperand : AsmOperandClass { let Name = "AddrMode5"; }
749 def addrmode5 : Operand<i32>,
750 ComplexPattern<i32, 2, "SelectAddrMode5", []> {
751 let PrintMethod = "printAddrMode5Operand";
752 let EncoderMethod = "getAddrMode5OpValue";
753 let DecoderMethod = "DecodeAddrMode5Operand";
754 let ParserMatchClass = AddrMode5AsmOperand;
755 let MIOperandInfo = (ops GPR:$base, i32imm);
758 // addrmode6 := reg with optional alignment
760 def addrmode6 : Operand<i32>,
761 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
762 let PrintMethod = "printAddrMode6Operand";
763 let MIOperandInfo = (ops GPR:$addr, i32imm);
764 let EncoderMethod = "getAddrMode6AddressOpValue";
765 let DecoderMethod = "DecodeAddrMode6Operand";
768 def am6offset : Operand<i32>,
769 ComplexPattern<i32, 1, "SelectAddrMode6Offset",
770 [], [SDNPWantRoot]> {
771 let PrintMethod = "printAddrMode6OffsetOperand";
772 let MIOperandInfo = (ops GPR);
773 let EncoderMethod = "getAddrMode6OffsetOpValue";
774 let DecoderMethod = "DecodeGPRRegisterClass";
777 // Special version of addrmode6 to handle alignment encoding for VST1/VLD1
778 // (single element from one lane) for size 32.
779 def addrmode6oneL32 : Operand<i32>,
780 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
781 let PrintMethod = "printAddrMode6Operand";
782 let MIOperandInfo = (ops GPR:$addr, i32imm);
783 let EncoderMethod = "getAddrMode6OneLane32AddressOpValue";
786 // Special version of addrmode6 to handle alignment encoding for VLD-dup
787 // instructions, specifically VLD4-dup.
788 def addrmode6dup : Operand<i32>,
789 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
790 let PrintMethod = "printAddrMode6Operand";
791 let MIOperandInfo = (ops GPR:$addr, i32imm);
792 let EncoderMethod = "getAddrMode6DupAddressOpValue";
795 // addrmodepc := pc + reg
797 def addrmodepc : Operand<i32>,
798 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
799 let PrintMethod = "printAddrModePCOperand";
800 let MIOperandInfo = (ops GPR, i32imm);
803 // addr_offset_none := reg
805 def MemNoOffsetAsmOperand : AsmOperandClass { let Name = "MemNoOffset"; }
806 def addr_offset_none : Operand<i32>,
807 ComplexPattern<i32, 1, "SelectAddrOffsetNone", []> {
808 let PrintMethod = "printAddrMode7Operand";
809 let DecoderMethod = "DecodeAddrMode7Operand";
810 let ParserMatchClass = MemNoOffsetAsmOperand;
811 let MIOperandInfo = (ops GPR:$base);
814 def nohash_imm : Operand<i32> {
815 let PrintMethod = "printNoHashImmediate";
818 def CoprocNumAsmOperand : AsmOperandClass {
819 let Name = "CoprocNum";
820 let ParserMethod = "parseCoprocNumOperand";
822 def p_imm : Operand<i32> {
823 let PrintMethod = "printPImmediate";
824 let ParserMatchClass = CoprocNumAsmOperand;
825 let DecoderMethod = "DecodeCoprocessor";
828 def CoprocRegAsmOperand : AsmOperandClass {
829 let Name = "CoprocReg";
830 let ParserMethod = "parseCoprocRegOperand";
832 def c_imm : Operand<i32> {
833 let PrintMethod = "printCImmediate";
834 let ParserMatchClass = CoprocRegAsmOperand;
837 //===----------------------------------------------------------------------===//
839 include "ARMInstrFormats.td"
841 //===----------------------------------------------------------------------===//
842 // Multiclass helpers...
845 /// AsI1_bin_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns for a
846 /// binop that produces a value.
847 multiclass AsI1_bin_irs<bits<4> opcod, string opc,
848 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
849 PatFrag opnode, string baseOpc, bit Commutable = 0> {
850 // The register-immediate version is re-materializable. This is useful
851 // in particular for taking the address of a local.
852 let isReMaterializable = 1 in {
853 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
854 iii, opc, "\t$Rd, $Rn, $imm",
855 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]> {
860 let Inst{19-16} = Rn;
861 let Inst{15-12} = Rd;
862 let Inst{11-0} = imm;
865 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
866 iir, opc, "\t$Rd, $Rn, $Rm",
867 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
872 let isCommutable = Commutable;
873 let Inst{19-16} = Rn;
874 let Inst{15-12} = Rd;
875 let Inst{11-4} = 0b00000000;
879 def rsi : AsI1<opcod, (outs GPR:$Rd),
880 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm,
881 iis, opc, "\t$Rd, $Rn, $shift",
882 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_imm:$shift))]> {
887 let Inst{19-16} = Rn;
888 let Inst{15-12} = Rd;
889 let Inst{11-5} = shift{11-5};
891 let Inst{3-0} = shift{3-0};
894 def rsr : AsI1<opcod, (outs GPR:$Rd),
895 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm,
896 iis, opc, "\t$Rd, $Rn, $shift",
897 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_reg:$shift))]> {
902 let Inst{19-16} = Rn;
903 let Inst{15-12} = Rd;
904 let Inst{11-8} = shift{11-8};
906 let Inst{6-5} = shift{6-5};
908 let Inst{3-0} = shift{3-0};
911 // Assembly aliases for optional destination operand when it's the same
912 // as the source operand.
913 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $imm"),
914 (!cast<Instruction>(!strconcat(baseOpc, "ri")) GPR:$Rdn, GPR:$Rdn,
915 so_imm:$imm, pred:$p,
918 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $Rm"),
919 (!cast<Instruction>(!strconcat(baseOpc, "rr")) GPR:$Rdn, GPR:$Rdn,
923 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
924 (!cast<Instruction>(!strconcat(baseOpc, "rsi")) GPR:$Rdn, GPR:$Rdn,
925 so_reg_imm:$shift, pred:$p,
928 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
929 (!cast<Instruction>(!strconcat(baseOpc, "rsr")) GPR:$Rdn, GPR:$Rdn,
930 so_reg_reg:$shift, pred:$p,
936 /// AI1_bin_s_irs - Similar to AsI1_bin_irs except it sets the 's' bit so the
937 /// instruction modifies the CPSR register.
938 let isCodeGenOnly = 1, Defs = [CPSR] in {
939 multiclass AI1_bin_s_irs<bits<4> opcod, string opc,
940 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
941 PatFrag opnode, bit Commutable = 0> {
942 def ri : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
943 iii, opc, "\t$Rd, $Rn, $imm",
944 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]> {
950 let Inst{19-16} = Rn;
951 let Inst{15-12} = Rd;
952 let Inst{11-0} = imm;
954 def rr : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
955 iir, opc, "\t$Rd, $Rn, $Rm",
956 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
960 let isCommutable = Commutable;
963 let Inst{19-16} = Rn;
964 let Inst{15-12} = Rd;
965 let Inst{11-4} = 0b00000000;
968 def rsi : AI1<opcod, (outs GPR:$Rd),
969 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm,
970 iis, opc, "\t$Rd, $Rn, $shift",
971 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_imm:$shift))]> {
977 let Inst{19-16} = Rn;
978 let Inst{15-12} = Rd;
979 let Inst{11-5} = shift{11-5};
981 let Inst{3-0} = shift{3-0};
984 def rsr : AI1<opcod, (outs GPR:$Rd),
985 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm,
986 iis, opc, "\t$Rd, $Rn, $shift",
987 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_reg:$shift))]> {
993 let Inst{19-16} = Rn;
994 let Inst{15-12} = Rd;
995 let Inst{11-8} = shift{11-8};
997 let Inst{6-5} = shift{6-5};
999 let Inst{3-0} = shift{3-0};
1004 /// AI1_cmp_irs - Defines a set of (op r, {so_imm|r|so_reg}) cmp / test
1005 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
1006 /// a explicit result, only implicitly set CPSR.
1007 let isCompare = 1, Defs = [CPSR] in {
1008 multiclass AI1_cmp_irs<bits<4> opcod, string opc,
1009 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
1010 PatFrag opnode, bit Commutable = 0> {
1011 def ri : AI1<opcod, (outs), (ins GPR:$Rn, so_imm:$imm), DPFrm, iii,
1013 [(opnode GPR:$Rn, so_imm:$imm)]> {
1018 let Inst{19-16} = Rn;
1019 let Inst{15-12} = 0b0000;
1020 let Inst{11-0} = imm;
1022 def rr : AI1<opcod, (outs), (ins GPR:$Rn, GPR:$Rm), DPFrm, iir,
1024 [(opnode GPR:$Rn, GPR:$Rm)]> {
1027 let isCommutable = Commutable;
1030 let Inst{19-16} = Rn;
1031 let Inst{15-12} = 0b0000;
1032 let Inst{11-4} = 0b00000000;
1035 def rsi : AI1<opcod, (outs),
1036 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm, iis,
1037 opc, "\t$Rn, $shift",
1038 [(opnode GPR:$Rn, so_reg_imm:$shift)]> {
1043 let Inst{19-16} = Rn;
1044 let Inst{15-12} = 0b0000;
1045 let Inst{11-5} = shift{11-5};
1047 let Inst{3-0} = shift{3-0};
1049 def rsr : AI1<opcod, (outs),
1050 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm, iis,
1051 opc, "\t$Rn, $shift",
1052 [(opnode GPR:$Rn, so_reg_reg:$shift)]> {
1057 let Inst{19-16} = Rn;
1058 let Inst{15-12} = 0b0000;
1059 let Inst{11-8} = shift{11-8};
1061 let Inst{6-5} = shift{6-5};
1063 let Inst{3-0} = shift{3-0};
1069 /// AI_ext_rrot - A unary operation with two forms: one whose operand is a
1070 /// register and one whose operand is a register rotated by 8/16/24.
1071 /// FIXME: Remove the 'r' variant. Its rot_imm is zero.
1072 class AI_ext_rrot<bits<8> opcod, string opc, PatFrag opnode>
1073 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPRnopc:$Rm, rot_imm:$rot),
1074 IIC_iEXTr, opc, "\t$Rd, $Rm$rot",
1075 [(set GPRnopc:$Rd, (opnode (rotr GPRnopc:$Rm, rot_imm:$rot)))]>,
1076 Requires<[IsARM, HasV6]> {
1080 let Inst{19-16} = 0b1111;
1081 let Inst{15-12} = Rd;
1082 let Inst{11-10} = rot;
1086 class AI_ext_rrot_np<bits<8> opcod, string opc>
1087 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPRnopc:$Rm, rot_imm:$rot),
1088 IIC_iEXTr, opc, "\t$Rd, $Rm$rot", []>,
1089 Requires<[IsARM, HasV6]> {
1091 let Inst{19-16} = 0b1111;
1092 let Inst{11-10} = rot;
1095 /// AI_exta_rrot - A binary operation with two forms: one whose operand is a
1096 /// register and one whose operand is a register rotated by 8/16/24.
1097 class AI_exta_rrot<bits<8> opcod, string opc, PatFrag opnode>
1098 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPR:$Rn, GPRnopc:$Rm, rot_imm:$rot),
1099 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm$rot",
1100 [(set GPRnopc:$Rd, (opnode GPR:$Rn,
1101 (rotr GPRnopc:$Rm, rot_imm:$rot)))]>,
1102 Requires<[IsARM, HasV6]> {
1107 let Inst{19-16} = Rn;
1108 let Inst{15-12} = Rd;
1109 let Inst{11-10} = rot;
1110 let Inst{9-4} = 0b000111;
1114 class AI_exta_rrot_np<bits<8> opcod, string opc>
1115 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPR:$Rn, GPRnopc:$Rm, rot_imm:$rot),
1116 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm$rot", []>,
1117 Requires<[IsARM, HasV6]> {
1120 let Inst{19-16} = Rn;
1121 let Inst{11-10} = rot;
1124 /// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
1125 multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode,
1126 string baseOpc, bit Commutable = 0> {
1127 let Uses = [CPSR] in {
1128 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
1129 DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
1130 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>,
1136 let Inst{15-12} = Rd;
1137 let Inst{19-16} = Rn;
1138 let Inst{11-0} = imm;
1140 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
1141 DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
1142 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
1147 let Inst{11-4} = 0b00000000;
1149 let isCommutable = Commutable;
1151 let Inst{15-12} = Rd;
1152 let Inst{19-16} = Rn;
1154 def rsi : AsI1<opcod, (outs GPR:$Rd),
1155 (ins GPR:$Rn, so_reg_imm:$shift),
1156 DPSoRegImmFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1157 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_imm:$shift))]>,
1163 let Inst{19-16} = Rn;
1164 let Inst{15-12} = Rd;
1165 let Inst{11-5} = shift{11-5};
1167 let Inst{3-0} = shift{3-0};
1169 def rsr : AsI1<opcod, (outs GPR:$Rd),
1170 (ins GPR:$Rn, so_reg_reg:$shift),
1171 DPSoRegRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1172 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_reg:$shift))]>,
1178 let Inst{19-16} = Rn;
1179 let Inst{15-12} = Rd;
1180 let Inst{11-8} = shift{11-8};
1182 let Inst{6-5} = shift{6-5};
1184 let Inst{3-0} = shift{3-0};
1187 // Assembly aliases for optional destination operand when it's the same
1188 // as the source operand.
1189 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $imm"),
1190 (!cast<Instruction>(!strconcat(baseOpc, "ri")) GPR:$Rdn, GPR:$Rdn,
1191 so_imm:$imm, pred:$p,
1194 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $Rm"),
1195 (!cast<Instruction>(!strconcat(baseOpc, "rr")) GPR:$Rdn, GPR:$Rdn,
1199 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
1200 (!cast<Instruction>(!strconcat(baseOpc, "rsi")) GPR:$Rdn, GPR:$Rdn,
1201 so_reg_imm:$shift, pred:$p,
1204 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
1205 (!cast<Instruction>(!strconcat(baseOpc, "rsr")) GPR:$Rdn, GPR:$Rdn,
1206 so_reg_reg:$shift, pred:$p,
1211 // Carry setting variants
1212 // NOTE: CPSR def omitted because it will be handled by the custom inserter.
1213 let usesCustomInserter = 1 in {
1214 multiclass AI1_adde_sube_s_irs<PatFrag opnode, bit Commutable = 0> {
1215 def ri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
1217 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>;
1218 def rr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
1220 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
1221 let isCommutable = Commutable;
1223 def rsi : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg_imm:$shift),
1225 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_imm:$shift))]>;
1226 def rsr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg_reg:$shift),
1228 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_reg:$shift))]>;
1232 let canFoldAsLoad = 1, isReMaterializable = 1 in {
1233 multiclass AI_ldr1<bit isByte, string opc, InstrItinClass iii,
1234 InstrItinClass iir, PatFrag opnode> {
1235 // Note: We use the complex addrmode_imm12 rather than just an input
1236 // GPR and a constrained immediate so that we can use this to match
1237 // frame index references and avoid matching constant pool references.
1238 def i12: AI2ldst<0b010, 1, isByte, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
1239 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
1240 [(set GPR:$Rt, (opnode addrmode_imm12:$addr))]> {
1243 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1244 let Inst{19-16} = addr{16-13}; // Rn
1245 let Inst{15-12} = Rt;
1246 let Inst{11-0} = addr{11-0}; // imm12
1248 def rs : AI2ldst<0b011, 1, isByte, (outs GPR:$Rt), (ins ldst_so_reg:$shift),
1249 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
1250 [(set GPR:$Rt, (opnode ldst_so_reg:$shift))]> {
1253 let shift{4} = 0; // Inst{4} = 0
1254 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1255 let Inst{19-16} = shift{16-13}; // Rn
1256 let Inst{15-12} = Rt;
1257 let Inst{11-0} = shift{11-0};
1262 let canFoldAsLoad = 1, isReMaterializable = 1 in {
1263 multiclass AI_ldr1nopc<bit isByte, string opc, InstrItinClass iii,
1264 InstrItinClass iir, PatFrag opnode> {
1265 // Note: We use the complex addrmode_imm12 rather than just an input
1266 // GPR and a constrained immediate so that we can use this to match
1267 // frame index references and avoid matching constant pool references.
1268 def i12: AI2ldst<0b010, 1, isByte, (outs GPRnopc:$Rt), (ins addrmode_imm12:$addr),
1269 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
1270 [(set GPRnopc:$Rt, (opnode addrmode_imm12:$addr))]> {
1273 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1274 let Inst{19-16} = addr{16-13}; // Rn
1275 let Inst{15-12} = Rt;
1276 let Inst{11-0} = addr{11-0}; // imm12
1278 def rs : AI2ldst<0b011, 1, isByte, (outs GPRnopc:$Rt), (ins ldst_so_reg:$shift),
1279 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
1280 [(set GPRnopc:$Rt, (opnode ldst_so_reg:$shift))]> {
1283 let shift{4} = 0; // Inst{4} = 0
1284 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1285 let Inst{19-16} = shift{16-13}; // Rn
1286 let Inst{15-12} = Rt;
1287 let Inst{11-0} = shift{11-0};
1293 multiclass AI_str1<bit isByte, string opc, InstrItinClass iii,
1294 InstrItinClass iir, PatFrag opnode> {
1295 // Note: We use the complex addrmode_imm12 rather than just an input
1296 // GPR and a constrained immediate so that we can use this to match
1297 // frame index references and avoid matching constant pool references.
1298 def i12 : AI2ldst<0b010, 0, isByte, (outs),
1299 (ins GPR:$Rt, addrmode_imm12:$addr),
1300 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
1301 [(opnode GPR:$Rt, addrmode_imm12:$addr)]> {
1304 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1305 let Inst{19-16} = addr{16-13}; // Rn
1306 let Inst{15-12} = Rt;
1307 let Inst{11-0} = addr{11-0}; // imm12
1309 def rs : AI2ldst<0b011, 0, isByte, (outs), (ins GPR:$Rt, ldst_so_reg:$shift),
1310 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
1311 [(opnode GPR:$Rt, ldst_so_reg:$shift)]> {
1314 let shift{4} = 0; // Inst{4} = 0
1315 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1316 let Inst{19-16} = shift{16-13}; // Rn
1317 let Inst{15-12} = Rt;
1318 let Inst{11-0} = shift{11-0};
1322 multiclass AI_str1nopc<bit isByte, string opc, InstrItinClass iii,
1323 InstrItinClass iir, PatFrag opnode> {
1324 // Note: We use the complex addrmode_imm12 rather than just an input
1325 // GPR and a constrained immediate so that we can use this to match
1326 // frame index references and avoid matching constant pool references.
1327 def i12 : AI2ldst<0b010, 0, isByte, (outs),
1328 (ins GPRnopc:$Rt, addrmode_imm12:$addr),
1329 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
1330 [(opnode GPRnopc:$Rt, addrmode_imm12:$addr)]> {
1333 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1334 let Inst{19-16} = addr{16-13}; // Rn
1335 let Inst{15-12} = Rt;
1336 let Inst{11-0} = addr{11-0}; // imm12
1338 def rs : AI2ldst<0b011, 0, isByte, (outs), (ins GPRnopc:$Rt, ldst_so_reg:$shift),
1339 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
1340 [(opnode GPRnopc:$Rt, ldst_so_reg:$shift)]> {
1343 let shift{4} = 0; // Inst{4} = 0
1344 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1345 let Inst{19-16} = shift{16-13}; // Rn
1346 let Inst{15-12} = Rt;
1347 let Inst{11-0} = shift{11-0};
1352 //===----------------------------------------------------------------------===//
1354 //===----------------------------------------------------------------------===//
1356 //===----------------------------------------------------------------------===//
1357 // Miscellaneous Instructions.
1360 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
1361 /// the function. The first operand is the ID# for this instruction, the second
1362 /// is the index into the MachineConstantPool that this is, the third is the
1363 /// size in bytes of this constant pool entry.
1364 let neverHasSideEffects = 1, isNotDuplicable = 1 in
1365 def CONSTPOOL_ENTRY :
1366 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
1367 i32imm:$size), NoItinerary, []>;
1369 // FIXME: Marking these as hasSideEffects is necessary to prevent machine DCE
1370 // from removing one half of the matched pairs. That breaks PEI, which assumes
1371 // these will always be in pairs, and asserts if it finds otherwise. Better way?
1372 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
1373 def ADJCALLSTACKUP :
1374 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary,
1375 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
1377 def ADJCALLSTACKDOWN :
1378 PseudoInst<(outs), (ins i32imm:$amt, pred:$p), NoItinerary,
1379 [(ARMcallseq_start timm:$amt)]>;
1382 def NOP : AI<(outs), (ins), MiscFrm, NoItinerary, "nop", "",
1383 [/* For disassembly only; pattern left blank */]>,
1384 Requires<[IsARM, HasV6T2]> {
1385 let Inst{27-16} = 0b001100100000;
1386 let Inst{15-8} = 0b11110000;
1387 let Inst{7-0} = 0b00000000;
1390 def YIELD : AI<(outs), (ins), MiscFrm, NoItinerary, "yield", "",
1391 [/* For disassembly only; pattern left blank */]>,
1392 Requires<[IsARM, HasV6T2]> {
1393 let Inst{27-16} = 0b001100100000;
1394 let Inst{15-8} = 0b11110000;
1395 let Inst{7-0} = 0b00000001;
1398 def WFE : AI<(outs), (ins), MiscFrm, NoItinerary, "wfe", "",
1399 [/* For disassembly only; pattern left blank */]>,
1400 Requires<[IsARM, HasV6T2]> {
1401 let Inst{27-16} = 0b001100100000;
1402 let Inst{15-8} = 0b11110000;
1403 let Inst{7-0} = 0b00000010;
1406 def WFI : AI<(outs), (ins), MiscFrm, NoItinerary, "wfi", "",
1407 [/* For disassembly only; pattern left blank */]>,
1408 Requires<[IsARM, HasV6T2]> {
1409 let Inst{27-16} = 0b001100100000;
1410 let Inst{15-8} = 0b11110000;
1411 let Inst{7-0} = 0b00000011;
1414 def SEL : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm, NoItinerary, "sel",
1415 "\t$dst, $a, $b", []>, Requires<[IsARM, HasV6]> {
1420 let Inst{15-12} = Rd;
1421 let Inst{19-16} = Rn;
1422 let Inst{27-20} = 0b01101000;
1423 let Inst{7-4} = 0b1011;
1424 let Inst{11-8} = 0b1111;
1427 def SEV : AI<(outs), (ins), MiscFrm, NoItinerary, "sev", "",
1428 []>, Requires<[IsARM, HasV6T2]> {
1429 let Inst{27-16} = 0b001100100000;
1430 let Inst{15-8} = 0b11110000;
1431 let Inst{7-0} = 0b00000100;
1434 // The i32imm operand $val can be used by a debugger to store more information
1435 // about the breakpoint.
1436 def BKPT : AI<(outs), (ins imm0_65535:$val), MiscFrm, NoItinerary,
1437 "bkpt", "\t$val", []>, Requires<[IsARM]> {
1439 let Inst{3-0} = val{3-0};
1440 let Inst{19-8} = val{15-4};
1441 let Inst{27-20} = 0b00010010;
1442 let Inst{7-4} = 0b0111;
1445 // Change Processor State
1446 // FIXME: We should use InstAlias to handle the optional operands.
1447 class CPS<dag iops, string asm_ops>
1448 : AXI<(outs), iops, MiscFrm, NoItinerary, !strconcat("cps", asm_ops),
1449 []>, Requires<[IsARM]> {
1455 let Inst{31-28} = 0b1111;
1456 let Inst{27-20} = 0b00010000;
1457 let Inst{19-18} = imod;
1458 let Inst{17} = M; // Enabled if mode is set;
1460 let Inst{8-6} = iflags;
1462 let Inst{4-0} = mode;
1465 let DecoderMethod = "DecodeCPSInstruction" in {
1467 def CPS3p : CPS<(ins imod_op:$imod, iflags_op:$iflags, imm0_31:$mode),
1468 "$imod\t$iflags, $mode">;
1469 let mode = 0, M = 0 in
1470 def CPS2p : CPS<(ins imod_op:$imod, iflags_op:$iflags), "$imod\t$iflags">;
1472 let imod = 0, iflags = 0, M = 1 in
1473 def CPS1p : CPS<(ins imm0_31:$mode), "\t$mode">;
1476 // Preload signals the memory system of possible future data/instruction access.
1477 // These are for disassembly only.
1478 multiclass APreLoad<bits<1> read, bits<1> data, string opc> {
1480 def i12 : AXI<(outs), (ins addrmode_imm12:$addr), MiscFrm, IIC_Preload,
1481 !strconcat(opc, "\t$addr"),
1482 [(ARMPreload addrmode_imm12:$addr, (i32 read), (i32 data))]> {
1485 let Inst{31-26} = 0b111101;
1486 let Inst{25} = 0; // 0 for immediate form
1487 let Inst{24} = data;
1488 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1489 let Inst{22} = read;
1490 let Inst{21-20} = 0b01;
1491 let Inst{19-16} = addr{16-13}; // Rn
1492 let Inst{15-12} = 0b1111;
1493 let Inst{11-0} = addr{11-0}; // imm12
1496 def rs : AXI<(outs), (ins ldst_so_reg:$shift), MiscFrm, IIC_Preload,
1497 !strconcat(opc, "\t$shift"),
1498 [(ARMPreload ldst_so_reg:$shift, (i32 read), (i32 data))]> {
1500 let Inst{31-26} = 0b111101;
1501 let Inst{25} = 1; // 1 for register form
1502 let Inst{24} = data;
1503 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1504 let Inst{22} = read;
1505 let Inst{21-20} = 0b01;
1506 let Inst{19-16} = shift{16-13}; // Rn
1507 let Inst{15-12} = 0b1111;
1508 let Inst{11-0} = shift{11-0};
1512 defm PLD : APreLoad<1, 1, "pld">, Requires<[IsARM]>;
1513 defm PLDW : APreLoad<0, 1, "pldw">, Requires<[IsARM,HasV7,HasMP]>;
1514 defm PLI : APreLoad<1, 0, "pli">, Requires<[IsARM,HasV7]>;
1516 def SETEND : AXI<(outs), (ins setend_op:$end), MiscFrm, NoItinerary,
1517 "setend\t$end", []>, Requires<[IsARM]> {
1519 let Inst{31-10} = 0b1111000100000001000000;
1524 def DBG : AI<(outs), (ins imm0_15:$opt), MiscFrm, NoItinerary, "dbg", "\t$opt",
1525 []>, Requires<[IsARM, HasV7]> {
1527 let Inst{27-4} = 0b001100100000111100001111;
1528 let Inst{3-0} = opt;
1531 // A5.4 Permanently UNDEFINED instructions.
1532 let isBarrier = 1, isTerminator = 1 in
1533 def TRAP : AXI<(outs), (ins), MiscFrm, NoItinerary,
1536 let Inst = 0xe7ffdefe;
1539 // Address computation and loads and stores in PIC mode.
1540 let isNotDuplicable = 1 in {
1541 def PICADD : ARMPseudoInst<(outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
1543 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
1545 let AddedComplexity = 10 in {
1546 def PICLDR : ARMPseudoInst<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
1548 [(set GPR:$dst, (load addrmodepc:$addr))]>;
1550 def PICLDRH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1552 [(set GPR:$Rt, (zextloadi16 addrmodepc:$addr))]>;
1554 def PICLDRB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1556 [(set GPR:$Rt, (zextloadi8 addrmodepc:$addr))]>;
1558 def PICLDRSH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1560 [(set GPR:$Rt, (sextloadi16 addrmodepc:$addr))]>;
1562 def PICLDRSB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1564 [(set GPR:$Rt, (sextloadi8 addrmodepc:$addr))]>;
1566 let AddedComplexity = 10 in {
1567 def PICSTR : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1568 4, IIC_iStore_r, [(store GPR:$src, addrmodepc:$addr)]>;
1570 def PICSTRH : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1571 4, IIC_iStore_bh_r, [(truncstorei16 GPR:$src,
1572 addrmodepc:$addr)]>;
1574 def PICSTRB : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1575 4, IIC_iStore_bh_r, [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
1577 } // isNotDuplicable = 1
1580 // LEApcrel - Load a pc-relative address into a register without offending the
1582 let neverHasSideEffects = 1, isReMaterializable = 1 in
1583 // The 'adr' mnemonic encodes differently if the label is before or after
1584 // the instruction. The {24-21} opcode bits are set by the fixup, as we don't
1585 // know until then which form of the instruction will be used.
1586 def ADR : AI1<{0,?,?,0}, (outs GPR:$Rd), (ins adrlabel:$label),
1587 MiscFrm, IIC_iALUi, "adr", "\t$Rd, $label", []> {
1590 let Inst{27-25} = 0b001;
1592 let Inst{19-16} = 0b1111;
1593 let Inst{15-12} = Rd;
1594 let Inst{11-0} = label;
1596 def LEApcrel : ARMPseudoInst<(outs GPR:$Rd), (ins i32imm:$label, pred:$p),
1599 def LEApcrelJT : ARMPseudoInst<(outs GPR:$Rd),
1600 (ins i32imm:$label, nohash_imm:$id, pred:$p),
1603 //===----------------------------------------------------------------------===//
1604 // Control Flow Instructions.
1607 let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
1609 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1610 "bx", "\tlr", [(ARMretflag)]>,
1611 Requires<[IsARM, HasV4T]> {
1612 let Inst{27-0} = 0b0001001011111111111100011110;
1616 def MOVPCLR : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1617 "mov", "\tpc, lr", [(ARMretflag)]>,
1618 Requires<[IsARM, NoV4T]> {
1619 let Inst{27-0} = 0b0001101000001111000000001110;
1623 // Indirect branches
1624 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
1626 def BX : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
1627 [(brind GPR:$dst)]>,
1628 Requires<[IsARM, HasV4T]> {
1630 let Inst{31-4} = 0b1110000100101111111111110001;
1631 let Inst{3-0} = dst;
1634 def BX_pred : AI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br,
1635 "bx", "\t$dst", [/* pattern left blank */]>,
1636 Requires<[IsARM, HasV4T]> {
1638 let Inst{27-4} = 0b000100101111111111110001;
1639 let Inst{3-0} = dst;
1643 // All calls clobber the non-callee saved registers. SP is marked as
1644 // a use to prevent stack-pointer assignments that appear immediately
1645 // before calls from potentially appearing dead.
1647 // On non-Darwin platforms R9 is callee-saved.
1648 // FIXME: Do we really need a non-predicated version? If so, it should
1649 // at least be a pseudo instruction expanding to the predicated version
1650 // at MC lowering time.
1651 Defs = [R0, R1, R2, R3, R12, LR, QQQQ0, QQQQ2, QQQQ3, CPSR, FPSCR],
1653 def BL : ABXI<0b1011, (outs), (ins bl_target:$func, variable_ops),
1654 IIC_Br, "bl\t$func",
1655 [(ARMcall tglobaladdr:$func)]>,
1656 Requires<[IsARM, IsNotDarwin]> {
1657 let Inst{31-28} = 0b1110;
1659 let Inst{23-0} = func;
1662 def BL_pred : ABI<0b1011, (outs), (ins bl_target:$func, variable_ops),
1663 IIC_Br, "bl", "\t$func",
1664 [(ARMcall_pred tglobaladdr:$func)]>,
1665 Requires<[IsARM, IsNotDarwin]> {
1667 let Inst{23-0} = func;
1671 def BLX : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1672 IIC_Br, "blx\t$func",
1673 [(ARMcall GPR:$func)]>,
1674 Requires<[IsARM, HasV5T, IsNotDarwin]> {
1676 let Inst{31-4} = 0b1110000100101111111111110011;
1677 let Inst{3-0} = func;
1680 def BLX_pred : AI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1681 IIC_Br, "blx", "\t$func",
1682 [(ARMcall_pred GPR:$func)]>,
1683 Requires<[IsARM, HasV5T, IsNotDarwin]> {
1685 let Inst{27-4} = 0b000100101111111111110011;
1686 let Inst{3-0} = func;
1690 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1691 def BX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1692 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1693 Requires<[IsARM, HasV4T, IsNotDarwin]>;
1696 def BMOVPCRX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1697 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1698 Requires<[IsARM, NoV4T, IsNotDarwin]>;
1702 // On Darwin R9 is call-clobbered.
1703 // R7 is marked as a use to prevent frame-pointer assignments from being
1704 // moved above / below calls.
1705 Defs = [R0, R1, R2, R3, R9, R12, LR, QQQQ0, QQQQ2, QQQQ3, CPSR, FPSCR],
1706 Uses = [R7, SP] in {
1707 def BLr9 : ARMPseudoExpand<(outs), (ins bl_target:$func, variable_ops),
1709 [(ARMcall tglobaladdr:$func)], (BL bl_target:$func)>,
1710 Requires<[IsARM, IsDarwin]>;
1712 def BLr9_pred : ARMPseudoExpand<(outs),
1713 (ins bl_target:$func, pred:$p, variable_ops),
1715 [(ARMcall_pred tglobaladdr:$func)],
1716 (BL_pred bl_target:$func, pred:$p)>,
1717 Requires<[IsARM, IsDarwin]>;
1720 def BLXr9 : ARMPseudoExpand<(outs), (ins GPR:$func, variable_ops),
1722 [(ARMcall GPR:$func)],
1724 Requires<[IsARM, HasV5T, IsDarwin]>;
1726 def BLXr9_pred: ARMPseudoExpand<(outs), (ins GPR:$func, pred:$p,variable_ops),
1728 [(ARMcall_pred GPR:$func)],
1729 (BLX_pred GPR:$func, pred:$p)>,
1730 Requires<[IsARM, HasV5T, IsDarwin]>;
1733 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1734 def BXr9_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1735 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1736 Requires<[IsARM, HasV4T, IsDarwin]>;
1739 def BMOVPCRXr9_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1740 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1741 Requires<[IsARM, NoV4T, IsDarwin]>;
1744 let isBranch = 1, isTerminator = 1 in {
1745 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
1746 // a two-value operand where a dag node expects two operands. :(
1747 def Bcc : ABI<0b1010, (outs), (ins br_target:$target),
1748 IIC_Br, "b", "\t$target",
1749 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]> {
1751 let Inst{23-0} = target;
1752 let DecoderMethod = "DecodeBranchImmInstruction";
1755 let isBarrier = 1 in {
1756 // B is "predicable" since it's just a Bcc with an 'always' condition.
1757 let isPredicable = 1 in
1758 // FIXME: We shouldn't need this pseudo at all. Just using Bcc directly
1759 // should be sufficient.
1760 // FIXME: Is B really a Barrier? That doesn't seem right.
1761 def B : ARMPseudoExpand<(outs), (ins br_target:$target), 4, IIC_Br,
1762 [(br bb:$target)], (Bcc br_target:$target, (ops 14, zero_reg))>;
1764 let isNotDuplicable = 1, isIndirectBranch = 1 in {
1765 def BR_JTr : ARMPseudoInst<(outs),
1766 (ins GPR:$target, i32imm:$jt, i32imm:$id),
1768 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]>;
1769 // FIXME: This shouldn't use the generic "addrmode2," but rather be split
1770 // into i12 and rs suffixed versions.
1771 def BR_JTm : ARMPseudoInst<(outs),
1772 (ins addrmode2:$target, i32imm:$jt, i32imm:$id),
1774 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
1776 def BR_JTadd : ARMPseudoInst<(outs),
1777 (ins GPR:$target, GPR:$idx, i32imm:$jt, i32imm:$id),
1779 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
1781 } // isNotDuplicable = 1, isIndirectBranch = 1
1787 def BLXi : AXI<(outs), (ins br_target:$target), BrMiscFrm, NoItinerary,
1788 "blx\t$target", []>,
1789 Requires<[IsARM, HasV5T]> {
1790 let Inst{31-25} = 0b1111101;
1792 let Inst{23-0} = target{24-1};
1793 let Inst{24} = target{0};
1796 // Branch and Exchange Jazelle
1797 def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
1798 [/* pattern left blank */]> {
1800 let Inst{23-20} = 0b0010;
1801 let Inst{19-8} = 0xfff;
1802 let Inst{7-4} = 0b0010;
1803 let Inst{3-0} = func;
1808 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in {
1810 let Defs = [R0, R1, R2, R3, R9, R12, QQQQ0, QQQQ2, QQQQ3, PC],
1812 def TCRETURNdi : PseudoInst<(outs), (ins i32imm:$dst, variable_ops),
1813 IIC_Br, []>, Requires<[IsDarwin]>;
1815 def TCRETURNri : PseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
1816 IIC_Br, []>, Requires<[IsDarwin]>;
1818 def TAILJMPd : ARMPseudoExpand<(outs), (ins br_target:$dst, variable_ops),
1820 (Bcc br_target:$dst, (ops 14, zero_reg))>,
1821 Requires<[IsARM, IsDarwin]>;
1823 def TAILJMPr : ARMPseudoExpand<(outs), (ins tcGPR:$dst, variable_ops),
1826 Requires<[IsARM, IsDarwin]>;
1830 // Non-Darwin versions (the difference is R9).
1831 let Defs = [R0, R1, R2, R3, R12, QQQQ0, QQQQ2, QQQQ3, PC],
1833 def TCRETURNdiND : PseudoInst<(outs), (ins i32imm:$dst, variable_ops),
1834 IIC_Br, []>, Requires<[IsNotDarwin]>;
1836 def TCRETURNriND : PseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
1837 IIC_Br, []>, Requires<[IsNotDarwin]>;
1839 def TAILJMPdND : ARMPseudoExpand<(outs), (ins brtarget:$dst, variable_ops),
1841 (Bcc br_target:$dst, (ops 14, zero_reg))>,
1842 Requires<[IsARM, IsNotDarwin]>;
1844 def TAILJMPrND : ARMPseudoExpand<(outs), (ins tcGPR:$dst, variable_ops),
1847 Requires<[IsARM, IsNotDarwin]>;
1855 // Secure Monitor Call is a system instruction -- for disassembly only
1856 def SMC : ABI<0b0001, (outs), (ins imm0_15:$opt), NoItinerary, "smc", "\t$opt",
1859 let Inst{23-4} = 0b01100000000000000111;
1860 let Inst{3-0} = opt;
1863 // Supervisor Call (Software Interrupt)
1864 let isCall = 1, Uses = [SP] in {
1865 def SVC : ABI<0b1111, (outs), (ins imm24b:$svc), IIC_Br, "svc", "\t$svc", []> {
1867 let Inst{23-0} = svc;
1871 // Store Return State
1872 class SRSI<bit wb, string asm>
1873 : XI<(outs), (ins imm0_31:$mode), AddrModeNone, 4, IndexModeNone, BrFrm,
1874 NoItinerary, asm, "", []> {
1876 let Inst{31-28} = 0b1111;
1877 let Inst{27-25} = 0b100;
1881 let Inst{19-16} = 0b1101; // SP
1882 let Inst{15-5} = 0b00000101000;
1883 let Inst{4-0} = mode;
1886 def SRSDA : SRSI<0, "srsda\tsp, $mode"> {
1887 let Inst{24-23} = 0;
1889 def SRSDA_UPD : SRSI<1, "srsda\tsp!, $mode"> {
1890 let Inst{24-23} = 0;
1892 def SRSDB : SRSI<0, "srsdb\tsp, $mode"> {
1893 let Inst{24-23} = 0b10;
1895 def SRSDB_UPD : SRSI<1, "srsdb\tsp!, $mode"> {
1896 let Inst{24-23} = 0b10;
1898 def SRSIA : SRSI<0, "srsia\tsp, $mode"> {
1899 let Inst{24-23} = 0b01;
1901 def SRSIA_UPD : SRSI<1, "srsia\tsp!, $mode"> {
1902 let Inst{24-23} = 0b01;
1904 def SRSIB : SRSI<0, "srsib\tsp, $mode"> {
1905 let Inst{24-23} = 0b11;
1907 def SRSIB_UPD : SRSI<1, "srsib\tsp!, $mode"> {
1908 let Inst{24-23} = 0b11;
1911 // Return From Exception
1912 class RFEI<bit wb, string asm>
1913 : XI<(outs), (ins GPR:$Rn), AddrModeNone, 4, IndexModeNone, BrFrm,
1914 NoItinerary, asm, "", []> {
1916 let Inst{31-28} = 0b1111;
1917 let Inst{27-25} = 0b100;
1921 let Inst{19-16} = Rn;
1922 let Inst{15-0} = 0xa00;
1925 def RFEDA : RFEI<0, "rfeda\t$Rn"> {
1926 let Inst{24-23} = 0;
1928 def RFEDA_UPD : RFEI<1, "rfeda\t$Rn!"> {
1929 let Inst{24-23} = 0;
1931 def RFEDB : RFEI<0, "rfedb\t$Rn"> {
1932 let Inst{24-23} = 0b10;
1934 def RFEDB_UPD : RFEI<1, "rfedb\t$Rn!"> {
1935 let Inst{24-23} = 0b10;
1937 def RFEIA : RFEI<0, "rfeia\t$Rn"> {
1938 let Inst{24-23} = 0b01;
1940 def RFEIA_UPD : RFEI<1, "rfeia\t$Rn!"> {
1941 let Inst{24-23} = 0b01;
1943 def RFEIB : RFEI<0, "rfeib\t$Rn"> {
1944 let Inst{24-23} = 0b11;
1946 def RFEIB_UPD : RFEI<1, "rfeib\t$Rn!"> {
1947 let Inst{24-23} = 0b11;
1950 //===----------------------------------------------------------------------===//
1951 // Load / store Instructions.
1957 defm LDR : AI_ldr1<0, "ldr", IIC_iLoad_r, IIC_iLoad_si,
1958 UnOpFrag<(load node:$Src)>>;
1959 defm LDRB : AI_ldr1nopc<1, "ldrb", IIC_iLoad_bh_r, IIC_iLoad_bh_si,
1960 UnOpFrag<(zextloadi8 node:$Src)>>;
1961 defm STR : AI_str1<0, "str", IIC_iStore_r, IIC_iStore_si,
1962 BinOpFrag<(store node:$LHS, node:$RHS)>>;
1963 defm STRB : AI_str1nopc<1, "strb", IIC_iStore_bh_r, IIC_iStore_bh_si,
1964 BinOpFrag<(truncstorei8 node:$LHS, node:$RHS)>>;
1966 // Special LDR for loads from non-pc-relative constpools.
1967 let canFoldAsLoad = 1, mayLoad = 1, neverHasSideEffects = 1,
1968 isReMaterializable = 1, isCodeGenOnly = 1 in
1969 def LDRcp : AI2ldst<0b010, 1, 0, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
1970 AddrMode_i12, LdFrm, IIC_iLoad_r, "ldr", "\t$Rt, $addr",
1974 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1975 let Inst{19-16} = 0b1111;
1976 let Inst{15-12} = Rt;
1977 let Inst{11-0} = addr{11-0}; // imm12
1980 // Loads with zero extension
1981 def LDRH : AI3ld<0b1011, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1982 IIC_iLoad_bh_r, "ldrh", "\t$Rt, $addr",
1983 [(set GPR:$Rt, (zextloadi16 addrmode3:$addr))]>;
1985 // Loads with sign extension
1986 def LDRSH : AI3ld<0b1111, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1987 IIC_iLoad_bh_r, "ldrsh", "\t$Rt, $addr",
1988 [(set GPR:$Rt, (sextloadi16 addrmode3:$addr))]>;
1990 def LDRSB : AI3ld<0b1101, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1991 IIC_iLoad_bh_r, "ldrsb", "\t$Rt, $addr",
1992 [(set GPR:$Rt, (sextloadi8 addrmode3:$addr))]>;
1994 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1 in {
1996 def LDRD : AI3ld<0b1101, 0, (outs GPR:$Rd, GPR:$dst2),
1997 (ins addrmode3:$addr), LdMiscFrm,
1998 IIC_iLoad_d_r, "ldrd", "\t$Rd, $dst2, $addr",
1999 []>, Requires<[IsARM, HasV5TE]>;
2003 multiclass AI2_ldridx<bit isByte, string opc, InstrItinClass itin> {
2004 def _PRE : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb),
2005 (ins addrmode2:$addr), IndexModePre, LdFrm, itin,
2006 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2012 let Inst{25} = addr{13};
2013 let Inst{23} = addr{12};
2014 let Inst{19-16} = addr{17-14};
2015 let Inst{11-0} = addr{11-0};
2016 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2017 let AsmMatchConverter = "cvtLdWriteBackRegAddrMode2";
2020 def _POST_REG : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2021 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2022 IndexModePost, LdFrm, itin,
2023 opc, "\t$Rt, $addr, $offset",
2024 "$addr.base = $Rn_wb", []> {
2030 let Inst{23} = offset{12};
2031 let Inst{19-16} = addr;
2032 let Inst{11-0} = offset{11-0};
2034 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2037 def _POST_IMM : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2038 (ins addr_offset_none:$addr, am2offset_imm:$offset),
2039 IndexModePost, LdFrm, itin,
2040 opc, "\t$Rt, $addr, $offset",
2041 "$addr.base = $Rn_wb", []> {
2047 let Inst{23} = offset{12};
2048 let Inst{19-16} = addr;
2049 let Inst{11-0} = offset{11-0};
2051 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2056 let mayLoad = 1, neverHasSideEffects = 1 in {
2057 defm LDR : AI2_ldridx<0, "ldr", IIC_iLoad_ru>;
2058 defm LDRB : AI2_ldridx<1, "ldrb", IIC_iLoad_bh_ru>;
2061 multiclass AI3_ldridx<bits<4> op, bit op20, string opc, InstrItinClass itin> {
2062 def _PRE : AI3ldstidx<op, op20, 1, 1, (outs GPR:$Rt, GPR:$Rn_wb),
2063 (ins addrmode3:$addr), IndexModePre,
2065 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2067 let Inst{23} = addr{8}; // U bit
2068 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2069 let Inst{19-16} = addr{12-9}; // Rn
2070 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2071 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2072 let AsmMatchConverter = "cvtLdWriteBackRegAddrMode3";
2074 def _POST : AI3ldstidx<op, op20, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2075 (ins addr_offset_none:$addr, am3offset:$offset),
2076 IndexModePost, LdMiscFrm, itin,
2077 opc, "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb",
2081 let Inst{23} = offset{8}; // U bit
2082 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2083 let Inst{19-16} = addr;
2084 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2085 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2089 let mayLoad = 1, neverHasSideEffects = 1 in {
2090 defm LDRH : AI3_ldridx<0b1011, 1, "ldrh", IIC_iLoad_bh_ru>;
2091 defm LDRSH : AI3_ldridx<0b1111, 1, "ldrsh", IIC_iLoad_bh_ru>;
2092 defm LDRSB : AI3_ldridx<0b1101, 1, "ldrsb", IIC_iLoad_bh_ru>;
2093 let hasExtraDefRegAllocReq = 1 in {
2094 def LDRD_PRE : AI3ldstidx<0b1101, 0, 1, 1, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
2095 (ins addrmode3:$addr), IndexModePre,
2096 LdMiscFrm, IIC_iLoad_d_ru,
2097 "ldrd", "\t$Rt, $Rt2, $addr!",
2098 "$addr.base = $Rn_wb", []> {
2100 let Inst{23} = addr{8}; // U bit
2101 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2102 let Inst{19-16} = addr{12-9}; // Rn
2103 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2104 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2105 let DecoderMethod = "DecodeAddrMode3Instruction";
2106 let AsmMatchConverter = "cvtLdrdPre";
2108 def LDRD_POST: AI3ldstidx<0b1101, 0, 1, 0, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
2109 (ins addr_offset_none:$addr, am3offset:$offset),
2110 IndexModePost, LdMiscFrm, IIC_iLoad_d_ru,
2111 "ldrd", "\t$Rt, $Rt2, $addr, $offset",
2112 "$addr.base = $Rn_wb", []> {
2115 let Inst{23} = offset{8}; // U bit
2116 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2117 let Inst{19-16} = addr;
2118 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2119 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2120 let DecoderMethod = "DecodeAddrMode3Instruction";
2122 } // hasExtraDefRegAllocReq = 1
2123 } // mayLoad = 1, neverHasSideEffects = 1
2125 // LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT are for disassembly only.
2126 let mayLoad = 1, neverHasSideEffects = 1 in {
2128 def LDRT_POST_REG : AI2ldstidx<1, 0, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2129 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2130 IndexModePost, LdFrm, IIC_iLoad_ru,
2131 "ldrt", "\t$Rt, $addr, $offset",
2132 "$addr.base = $Rn_wb", []> {
2138 let Inst{23} = offset{12};
2139 let Inst{21} = 1; // overwrite
2140 let Inst{19-16} = addr;
2141 let Inst{11-5} = offset{11-5};
2143 let Inst{3-0} = offset{3-0};
2144 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2147 def LDRT_POST_IMM : AI2ldstidx<1, 0, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2148 (ins addr_offset_none:$addr, am2offset_imm:$offset),
2149 IndexModePost, LdFrm, IIC_iLoad_ru,
2150 "ldrt", "\t$Rt, $addr, $offset",
2151 "$addr.base = $Rn_wb", []> {
2157 let Inst{23} = offset{12};
2158 let Inst{21} = 1; // overwrite
2159 let Inst{19-16} = addr;
2160 let Inst{11-0} = offset{11-0};
2161 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2164 def LDRBT_POST_REG : AI2ldstidx<1, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2165 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2166 IndexModePost, LdFrm, IIC_iLoad_bh_ru,
2167 "ldrbt", "\t$Rt, $addr, $offset",
2168 "$addr.base = $Rn_wb", []> {
2174 let Inst{23} = offset{12};
2175 let Inst{21} = 1; // overwrite
2176 let Inst{19-16} = addr;
2177 let Inst{11-0} = offset{11-0};
2178 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2181 def LDRBT_POST_IMM : AI2ldstidx<1, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2182 (ins addr_offset_none:$addr, am2offset_imm:$offset),
2183 IndexModePost, LdFrm, IIC_iLoad_bh_ru,
2184 "ldrbt", "\t$Rt, $addr, $offset",
2185 "$addr.base = $Rn_wb", []> {
2191 let Inst{23} = offset{12};
2192 let Inst{21} = 1; // overwrite
2193 let Inst{19-16} = addr;
2194 let Inst{11-0} = offset{11-0};
2195 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2198 multiclass AI3ldrT<bits<4> op, string opc> {
2199 def i : AI3ldstidxT<op, 1, (outs GPR:$Rt, GPR:$base_wb),
2200 (ins addr_offset_none:$addr, postidx_imm8:$offset),
2201 IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru, opc,
2202 "\t$Rt, $addr, $offset", "$addr.base = $base_wb", []> {
2204 let Inst{23} = offset{8};
2206 let Inst{11-8} = offset{7-4};
2207 let Inst{3-0} = offset{3-0};
2208 let AsmMatchConverter = "cvtLdExtTWriteBackImm";
2210 def r : AI3ldstidxT<op, 1, (outs GPR:$Rt, GPR:$base_wb),
2211 (ins addr_offset_none:$addr, postidx_reg:$Rm),
2212 IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru, opc,
2213 "\t$Rt, $addr, $Rm", "$addr.base = $base_wb", []> {
2215 let Inst{23} = Rm{4};
2218 let Inst{3-0} = Rm{3-0};
2219 let AsmMatchConverter = "cvtLdExtTWriteBackReg";
2223 defm LDRSBT : AI3ldrT<0b1101, "ldrsbt">;
2224 defm LDRHT : AI3ldrT<0b1011, "ldrht">;
2225 defm LDRSHT : AI3ldrT<0b1111, "ldrsht">;
2230 // Stores with truncate
2231 def STRH : AI3str<0b1011, (outs), (ins GPR:$Rt, addrmode3:$addr), StMiscFrm,
2232 IIC_iStore_bh_r, "strh", "\t$Rt, $addr",
2233 [(truncstorei16 GPR:$Rt, addrmode3:$addr)]>;
2236 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in
2237 def STRD : AI3str<0b1111, (outs), (ins GPR:$Rt, GPR:$src2, addrmode3:$addr),
2238 StMiscFrm, IIC_iStore_d_r,
2239 "strd", "\t$Rt, $src2, $addr", []>,
2240 Requires<[IsARM, HasV5TE]> {
2245 multiclass AI2_stridx<bit isByte, string opc, InstrItinClass itin> {
2246 def _PRE_IMM : AI2ldstidx<0, isByte, 1, (outs GPR:$Rn_wb),
2247 (ins GPR:$Rt, addrmode_imm12:$addr), IndexModePre,
2249 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2252 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2253 let Inst{19-16} = addr{16-13}; // Rn
2254 let Inst{11-0} = addr{11-0}; // imm12
2255 let AsmMatchConverter = "cvtStWriteBackRegAddrModeImm12";
2258 def _PRE_REG : AI2ldstidx<0, isByte, 1, (outs GPR:$Rn_wb),
2259 (ins GPR:$Rt, ldst_so_reg:$addr),
2260 IndexModePre, StFrm, itin,
2261 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2264 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2265 let Inst{19-16} = addr{16-13}; // Rn
2266 let Inst{11-0} = addr{11-0};
2267 let Inst{4} = 0; // Inst{4} = 0
2268 let AsmMatchConverter = "cvtStWriteBackRegAddrMode2";
2270 def _POST_REG : AI2ldstidx<0, isByte, 0, (outs GPR:$Rn_wb),
2271 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_reg:$offset),
2272 IndexModePost, StFrm, itin,
2273 opc, "\t$Rt, $addr, $offset",
2274 "$addr.base = $Rn_wb", []> {
2280 let Inst{23} = offset{12};
2281 let Inst{19-16} = addr;
2282 let Inst{11-0} = offset{11-0};
2284 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2287 def _POST_IMM : AI2ldstidx<0, isByte, 0, (outs GPR:$Rn_wb),
2288 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_imm:$offset),
2289 IndexModePost, StFrm, itin,
2290 opc, "\t$Rt, $addr, $offset",
2291 "$addr.base = $Rn_wb", []> {
2297 let Inst{23} = offset{12};
2298 let Inst{19-16} = addr;
2299 let Inst{11-0} = offset{11-0};
2301 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2305 let mayStore = 1, neverHasSideEffects = 1 in {
2306 defm STR : AI2_stridx<0, "str", IIC_iStore_ru>;
2307 defm STRB : AI2_stridx<1, "strb", IIC_iStore_bh_ru>;
2310 def : ARMPat<(post_store GPR:$Rt, addr_offset_none:$addr,
2311 am2offset_reg:$offset),
2312 (STR_POST_REG GPR:$Rt, addr_offset_none:$addr,
2313 am2offset_reg:$offset)>;
2314 def : ARMPat<(post_store GPR:$Rt, addr_offset_none:$addr,
2315 am2offset_imm:$offset),
2316 (STR_POST_IMM GPR:$Rt, addr_offset_none:$addr,
2317 am2offset_imm:$offset)>;
2318 def : ARMPat<(post_truncsti8 GPR:$Rt, addr_offset_none:$addr,
2319 am2offset_reg:$offset),
2320 (STRB_POST_REG GPR:$Rt, addr_offset_none:$addr,
2321 am2offset_reg:$offset)>;
2322 def : ARMPat<(post_truncsti8 GPR:$Rt, addr_offset_none:$addr,
2323 am2offset_imm:$offset),
2324 (STRB_POST_IMM GPR:$Rt, addr_offset_none:$addr,
2325 am2offset_imm:$offset)>;
2327 // Pseudo-instructions for pattern matching the pre-indexed stores. We can't
2328 // put the patterns on the instruction definitions directly as ISel wants
2329 // the address base and offset to be separate operands, not a single
2330 // complex operand like we represent the instructions themselves. The
2331 // pseudos map between the two.
2332 let usesCustomInserter = 1,
2333 Constraints = "$Rn = $Rn_wb,@earlyclobber $Rn_wb" in {
2334 def STRi_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2335 (ins GPR:$Rt, GPR:$Rn, am2offset_imm:$offset, pred:$p),
2338 (pre_store GPR:$Rt, GPR:$Rn, am2offset_imm:$offset))]>;
2339 def STRr_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2340 (ins GPR:$Rt, GPR:$Rn, am2offset_reg:$offset, pred:$p),
2343 (pre_store GPR:$Rt, GPR:$Rn, am2offset_reg:$offset))]>;
2344 def STRBi_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2345 (ins GPR:$Rt, GPR:$Rn, am2offset_imm:$offset, pred:$p),
2348 (pre_truncsti8 GPR:$Rt, GPR:$Rn, am2offset_imm:$offset))]>;
2349 def STRBr_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2350 (ins GPR:$Rt, GPR:$Rn, am2offset_reg:$offset, pred:$p),
2353 (pre_truncsti8 GPR:$Rt, GPR:$Rn, am2offset_reg:$offset))]>;
2356 def STRH_PRE : AI3stridx<0b1011, 0, 1, (outs GPR:$Rn_wb),
2357 (ins GPR:$Rt, GPR:$Rn, am3offset:$offset),
2358 IndexModePre, StMiscFrm, IIC_iStore_ru,
2359 "strh", "\t$Rt, [$Rn, $offset]!",
2360 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
2362 (pre_truncsti16 GPR:$Rt, GPR:$Rn, am3offset:$offset))]>;
2364 def STRH_POST: AI3stridx<0b1011, 0, 0, (outs GPR:$Rn_wb),
2365 (ins GPR:$Rt, GPR:$Rn, am3offset:$offset),
2366 IndexModePost, StMiscFrm, IIC_iStore_bh_ru,
2367 "strh", "\t$Rt, [$Rn], $offset",
2368 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
2369 [(set GPR:$Rn_wb, (post_truncsti16 GPR:$Rt,
2370 GPR:$Rn, am3offset:$offset))]>;
2372 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in {
2373 def STRD_PRE : AI3ldstidx<0b1111, 0, 1, 1, (outs GPR:$Rn_wb),
2374 (ins GPR:$Rt, GPR:$Rt2, addrmode3:$addr),
2375 IndexModePre, StMiscFrm, IIC_iStore_d_ru,
2376 "strd", "\t$Rt, $Rt2, $addr!",
2377 "$addr.base = $Rn_wb", []> {
2379 let Inst{23} = addr{8}; // U bit
2380 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2381 let Inst{19-16} = addr{12-9}; // Rn
2382 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2383 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2384 let DecoderMethod = "DecodeAddrMode3Instruction";
2385 let AsmMatchConverter = "cvtStrdPre";
2388 def STRD_POST: AI3ldstidx<0b1111, 0, 1, 0, (outs GPR:$Rn_wb),
2389 (ins GPR:$Rt, GPR:$Rt2, addr_offset_none:$addr,
2391 IndexModePost, StMiscFrm, IIC_iStore_d_ru,
2392 "strd", "\t$Rt, $Rt2, $addr, $offset",
2393 "$addr.base = $Rn_wb", []> {
2396 let Inst{23} = offset{8}; // U bit
2397 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2398 let Inst{19-16} = addr;
2399 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2400 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2401 let DecoderMethod = "DecodeAddrMode3Instruction";
2403 } // mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1
2405 // STRT, STRBT, and STRHT
2407 def STRBT_POST_REG : AI2ldstidx<0, 1, 0, (outs GPR:$Rn_wb),
2408 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_reg:$offset),
2409 IndexModePost, StFrm, IIC_iStore_bh_ru,
2410 "strbt", "\t$Rt, $addr, $offset",
2411 "$addr.base = $Rn_wb", []> {
2417 let Inst{23} = offset{12};
2418 let Inst{21} = 1; // overwrite
2419 let Inst{19-16} = addr;
2420 let Inst{11-5} = offset{11-5};
2422 let Inst{3-0} = offset{3-0};
2423 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2426 def STRBT_POST_IMM : AI2ldstidx<0, 1, 0, (outs GPR:$Rn_wb),
2427 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_imm:$offset),
2428 IndexModePost, StFrm, IIC_iStore_bh_ru,
2429 "strbt", "\t$Rt, $addr, $offset",
2430 "$addr.base = $Rn_wb", []> {
2436 let Inst{23} = offset{12};
2437 let Inst{21} = 1; // overwrite
2438 let Inst{19-16} = addr;
2439 let Inst{11-0} = offset{11-0};
2440 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2443 def STRTr : AI2stridxT<0, 0, (outs GPR:$Rn_wb),
2444 (ins GPR:$Rt, ldst_so_reg:$addr),
2445 IndexModePost, StFrm, IIC_iStore_ru,
2446 "strt", "\t$Rt, $addr", "$addr.base = $Rn_wb",
2447 [/* For disassembly only; pattern left blank */]> {
2449 let Inst{21} = 1; // overwrite
2451 let AsmMatchConverter = "cvtStWriteBackRegAddrMode2";
2452 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2455 def STRTi : AI2stridxT<0, 0, (outs GPR:$Rn_wb),
2456 (ins GPR:$Rt, addrmode_imm12:$addr),
2457 IndexModePost, StFrm, IIC_iStore_ru,
2458 "strt", "\t$Rt, $addr", "$addr.base = $Rn_wb",
2459 [/* For disassembly only; pattern left blank */]> {
2461 let Inst{21} = 1; // overwrite
2462 let AsmMatchConverter = "cvtStWriteBackRegAddrMode2";
2463 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2466 multiclass AI3strT<bits<4> op, string opc> {
2467 def i : AI3ldstidxT<op, 0, (outs GPR:$base_wb),
2468 (ins GPR:$Rt, addr_offset_none:$addr, postidx_imm8:$offset),
2469 IndexModePost, StMiscFrm, IIC_iStore_bh_ru, opc,
2470 "\t$Rt, $addr, $offset", "$addr.base = $base_wb", []> {
2472 let Inst{23} = offset{8};
2474 let Inst{11-8} = offset{7-4};
2475 let Inst{3-0} = offset{3-0};
2476 let AsmMatchConverter = "cvtStExtTWriteBackImm";
2478 def r : AI3ldstidxT<op, 0, (outs GPR:$base_wb),
2479 (ins GPR:$Rt, addr_offset_none:$addr, postidx_reg:$Rm),
2480 IndexModePost, StMiscFrm, IIC_iStore_bh_ru, opc,
2481 "\t$Rt, $addr, $Rm", "$addr.base = $base_wb", []> {
2483 let Inst{23} = Rm{4};
2486 let Inst{3-0} = Rm{3-0};
2487 let AsmMatchConverter = "cvtStExtTWriteBackReg";
2492 defm STRHT : AI3strT<0b1011, "strht">;
2495 //===----------------------------------------------------------------------===//
2496 // Load / store multiple Instructions.
2499 multiclass arm_ldst_mult<string asm, bit L_bit, Format f,
2500 InstrItinClass itin, InstrItinClass itin_upd> {
2501 // IA is the default, so no need for an explicit suffix on the
2502 // mnemonic here. Without it is the cannonical spelling.
2504 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2505 IndexModeNone, f, itin,
2506 !strconcat(asm, "${p}\t$Rn, $regs"), "", []> {
2507 let Inst{24-23} = 0b01; // Increment After
2508 let Inst{21} = 0; // No writeback
2509 let Inst{20} = L_bit;
2512 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2513 IndexModeUpd, f, itin_upd,
2514 !strconcat(asm, "${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
2515 let Inst{24-23} = 0b01; // Increment After
2516 let Inst{21} = 1; // Writeback
2517 let Inst{20} = L_bit;
2519 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
2522 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2523 IndexModeNone, f, itin,
2524 !strconcat(asm, "da${p}\t$Rn, $regs"), "", []> {
2525 let Inst{24-23} = 0b00; // Decrement After
2526 let Inst{21} = 0; // No writeback
2527 let Inst{20} = L_bit;
2530 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2531 IndexModeUpd, f, itin_upd,
2532 !strconcat(asm, "da${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
2533 let Inst{24-23} = 0b00; // Decrement After
2534 let Inst{21} = 1; // Writeback
2535 let Inst{20} = L_bit;
2537 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
2540 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2541 IndexModeNone, f, itin,
2542 !strconcat(asm, "db${p}\t$Rn, $regs"), "", []> {
2543 let Inst{24-23} = 0b10; // Decrement Before
2544 let Inst{21} = 0; // No writeback
2545 let Inst{20} = L_bit;
2548 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2549 IndexModeUpd, f, itin_upd,
2550 !strconcat(asm, "db${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
2551 let Inst{24-23} = 0b10; // Decrement Before
2552 let Inst{21} = 1; // Writeback
2553 let Inst{20} = L_bit;
2555 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
2558 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2559 IndexModeNone, f, itin,
2560 !strconcat(asm, "ib${p}\t$Rn, $regs"), "", []> {
2561 let Inst{24-23} = 0b11; // Increment Before
2562 let Inst{21} = 0; // No writeback
2563 let Inst{20} = L_bit;
2566 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2567 IndexModeUpd, f, itin_upd,
2568 !strconcat(asm, "ib${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
2569 let Inst{24-23} = 0b11; // Increment Before
2570 let Inst{21} = 1; // Writeback
2571 let Inst{20} = L_bit;
2573 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
2577 let neverHasSideEffects = 1 in {
2579 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
2580 defm LDM : arm_ldst_mult<"ldm", 1, LdStMulFrm, IIC_iLoad_m, IIC_iLoad_mu>;
2582 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
2583 defm STM : arm_ldst_mult<"stm", 0, LdStMulFrm, IIC_iStore_m, IIC_iStore_mu>;
2585 } // neverHasSideEffects
2587 // FIXME: remove when we have a way to marking a MI with these properties.
2588 // FIXME: Should pc be an implicit operand like PICADD, etc?
2589 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
2590 hasExtraDefRegAllocReq = 1, isCodeGenOnly = 1 in
2591 def LDMIA_RET : ARMPseudoExpand<(outs GPR:$wb), (ins GPR:$Rn, pred:$p,
2592 reglist:$regs, variable_ops),
2593 4, IIC_iLoad_mBr, [],
2594 (LDMIA_UPD GPR:$wb, GPR:$Rn, pred:$p, reglist:$regs)>,
2595 RegConstraint<"$Rn = $wb">;
2597 //===----------------------------------------------------------------------===//
2598 // Move Instructions.
2601 let neverHasSideEffects = 1 in
2602 def MOVr : AsI1<0b1101, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMOVr,
2603 "mov", "\t$Rd, $Rm", []>, UnaryDP {
2607 let Inst{19-16} = 0b0000;
2608 let Inst{11-4} = 0b00000000;
2611 let Inst{15-12} = Rd;
2614 // A version for the smaller set of tail call registers.
2615 let neverHasSideEffects = 1 in
2616 def MOVr_TC : AsI1<0b1101, (outs tcGPR:$Rd), (ins tcGPR:$Rm), DPFrm,
2617 IIC_iMOVr, "mov", "\t$Rd, $Rm", []>, UnaryDP {
2621 let Inst{11-4} = 0b00000000;
2624 let Inst{15-12} = Rd;
2627 def MOVsr : AsI1<0b1101, (outs GPRnopc:$Rd), (ins shift_so_reg_reg:$src),
2628 DPSoRegRegFrm, IIC_iMOVsr,
2629 "mov", "\t$Rd, $src",
2630 [(set GPRnopc:$Rd, shift_so_reg_reg:$src)]>, UnaryDP {
2633 let Inst{15-12} = Rd;
2634 let Inst{19-16} = 0b0000;
2635 let Inst{11-8} = src{11-8};
2637 let Inst{6-5} = src{6-5};
2639 let Inst{3-0} = src{3-0};
2643 def MOVsi : AsI1<0b1101, (outs GPR:$Rd), (ins shift_so_reg_imm:$src),
2644 DPSoRegImmFrm, IIC_iMOVsr,
2645 "mov", "\t$Rd, $src", [(set GPR:$Rd, shift_so_reg_imm:$src)]>,
2649 let Inst{15-12} = Rd;
2650 let Inst{19-16} = 0b0000;
2651 let Inst{11-5} = src{11-5};
2653 let Inst{3-0} = src{3-0};
2657 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
2658 def MOVi : AsI1<0b1101, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm, IIC_iMOVi,
2659 "mov", "\t$Rd, $imm", [(set GPR:$Rd, so_imm:$imm)]>, UnaryDP {
2663 let Inst{15-12} = Rd;
2664 let Inst{19-16} = 0b0000;
2665 let Inst{11-0} = imm;
2668 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
2669 def MOVi16 : AI1<0b1000, (outs GPR:$Rd), (ins imm0_65535_expr:$imm),
2671 "movw", "\t$Rd, $imm",
2672 [(set GPR:$Rd, imm0_65535:$imm)]>,
2673 Requires<[IsARM, HasV6T2]>, UnaryDP {
2676 let Inst{15-12} = Rd;
2677 let Inst{11-0} = imm{11-0};
2678 let Inst{19-16} = imm{15-12};
2683 def : InstAlias<"mov${p} $Rd, $imm",
2684 (MOVi16 GPR:$Rd, imm0_65535_expr:$imm, pred:$p)>,
2687 def MOVi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
2688 (ins i32imm:$addr, pclabel:$id), IIC_iMOVi, []>;
2690 let Constraints = "$src = $Rd" in {
2691 def MOVTi16 : AI1<0b1010, (outs GPRnopc:$Rd),
2692 (ins GPR:$src, imm0_65535_expr:$imm),
2694 "movt", "\t$Rd, $imm",
2696 (or (and GPR:$src, 0xffff),
2697 lo16AllZero:$imm))]>, UnaryDP,
2698 Requires<[IsARM, HasV6T2]> {
2701 let Inst{15-12} = Rd;
2702 let Inst{11-0} = imm{11-0};
2703 let Inst{19-16} = imm{15-12};
2708 def MOVTi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
2709 (ins GPR:$src, i32imm:$addr, pclabel:$id), IIC_iMOVi, []>;
2713 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
2714 Requires<[IsARM, HasV6T2]>;
2716 let Uses = [CPSR] in
2717 def RRX: PseudoInst<(outs GPR:$Rd), (ins GPR:$Rm), IIC_iMOVsi,
2718 [(set GPR:$Rd, (ARMrrx GPR:$Rm))]>, UnaryDP,
2721 // These aren't really mov instructions, but we have to define them this way
2722 // due to flag operands.
2724 let Defs = [CPSR] in {
2725 def MOVsrl_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
2726 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP,
2728 def MOVsra_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
2729 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP,
2733 //===----------------------------------------------------------------------===//
2734 // Extend Instructions.
2739 def SXTB : AI_ext_rrot<0b01101010,
2740 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
2741 def SXTH : AI_ext_rrot<0b01101011,
2742 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
2744 def SXTAB : AI_exta_rrot<0b01101010,
2745 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
2746 def SXTAH : AI_exta_rrot<0b01101011,
2747 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
2749 def SXTB16 : AI_ext_rrot_np<0b01101000, "sxtb16">;
2751 def SXTAB16 : AI_exta_rrot_np<0b01101000, "sxtab16">;
2755 let AddedComplexity = 16 in {
2756 def UXTB : AI_ext_rrot<0b01101110,
2757 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
2758 def UXTH : AI_ext_rrot<0b01101111,
2759 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
2760 def UXTB16 : AI_ext_rrot<0b01101100,
2761 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
2763 // FIXME: This pattern incorrectly assumes the shl operator is a rotate.
2764 // The transformation should probably be done as a combiner action
2765 // instead so we can include a check for masking back in the upper
2766 // eight bits of the source into the lower eight bits of the result.
2767 //def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
2768 // (UXTB16r_rot GPR:$Src, 3)>;
2769 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
2770 (UXTB16 GPR:$Src, 1)>;
2772 def UXTAB : AI_exta_rrot<0b01101110, "uxtab",
2773 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
2774 def UXTAH : AI_exta_rrot<0b01101111, "uxtah",
2775 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
2778 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
2779 def UXTAB16 : AI_exta_rrot_np<0b01101100, "uxtab16">;
2782 def SBFX : I<(outs GPRnopc:$Rd),
2783 (ins GPRnopc:$Rn, imm0_31:$lsb, imm1_32:$width),
2784 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
2785 "sbfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
2786 Requires<[IsARM, HasV6T2]> {
2791 let Inst{27-21} = 0b0111101;
2792 let Inst{6-4} = 0b101;
2793 let Inst{20-16} = width;
2794 let Inst{15-12} = Rd;
2795 let Inst{11-7} = lsb;
2799 def UBFX : I<(outs GPR:$Rd),
2800 (ins GPR:$Rn, imm0_31:$lsb, imm1_32:$width),
2801 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
2802 "ubfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
2803 Requires<[IsARM, HasV6T2]> {
2808 let Inst{27-21} = 0b0111111;
2809 let Inst{6-4} = 0b101;
2810 let Inst{20-16} = width;
2811 let Inst{15-12} = Rd;
2812 let Inst{11-7} = lsb;
2816 //===----------------------------------------------------------------------===//
2817 // Arithmetic Instructions.
2820 defm ADD : AsI1_bin_irs<0b0100, "add",
2821 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2822 BinOpFrag<(add node:$LHS, node:$RHS)>, "ADD", 1>;
2823 defm SUB : AsI1_bin_irs<0b0010, "sub",
2824 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2825 BinOpFrag<(sub node:$LHS, node:$RHS)>, "SUB">;
2827 // ADD and SUB with 's' bit set.
2828 defm ADDS : AI1_bin_s_irs<0b0100, "adds",
2829 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2830 BinOpFrag<(addc node:$LHS, node:$RHS)>, 1>;
2831 defm SUBS : AI1_bin_s_irs<0b0010, "subs",
2832 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2833 BinOpFrag<(subc node:$LHS, node:$RHS)>>;
2835 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
2836 BinOpFrag<(adde_dead_carry node:$LHS, node:$RHS)>,
2838 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
2839 BinOpFrag<(sube_dead_carry node:$LHS, node:$RHS)>,
2842 // ADC and SUBC with 's' bit set.
2843 let usesCustomInserter = 1 in {
2844 defm ADCS : AI1_adde_sube_s_irs<
2845 BinOpFrag<(adde_live_carry node:$LHS, node:$RHS)>, 1>;
2846 defm SBCS : AI1_adde_sube_s_irs<
2847 BinOpFrag<(sube_live_carry node:$LHS, node:$RHS) >>;
2850 def RSBri : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
2851 IIC_iALUi, "rsb", "\t$Rd, $Rn, $imm",
2852 [(set GPR:$Rd, (sub so_imm:$imm, GPR:$Rn))]> {
2857 let Inst{15-12} = Rd;
2858 let Inst{19-16} = Rn;
2859 let Inst{11-0} = imm;
2862 // The reg/reg form is only defined for the disassembler; for codegen it is
2863 // equivalent to SUBrr.
2864 def RSBrr : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
2865 IIC_iALUr, "rsb", "\t$Rd, $Rn, $Rm",
2866 [/* For disassembly only; pattern left blank */]> {
2870 let Inst{11-4} = 0b00000000;
2873 let Inst{15-12} = Rd;
2874 let Inst{19-16} = Rn;
2877 def RSBrsi : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_imm:$shift),
2878 DPSoRegImmFrm, IIC_iALUsr, "rsb", "\t$Rd, $Rn, $shift",
2879 [(set GPR:$Rd, (sub so_reg_imm:$shift, GPR:$Rn))]> {
2884 let Inst{19-16} = Rn;
2885 let Inst{15-12} = Rd;
2886 let Inst{11-5} = shift{11-5};
2888 let Inst{3-0} = shift{3-0};
2891 def RSBrsr : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_reg:$shift),
2892 DPSoRegRegFrm, IIC_iALUsr, "rsb", "\t$Rd, $Rn, $shift",
2893 [(set GPR:$Rd, (sub so_reg_reg:$shift, GPR:$Rn))]> {
2898 let Inst{19-16} = Rn;
2899 let Inst{15-12} = Rd;
2900 let Inst{11-8} = shift{11-8};
2902 let Inst{6-5} = shift{6-5};
2904 let Inst{3-0} = shift{3-0};
2907 // RSB with 's' bit set.
2908 // NOTE: CPSR def omitted because it will be handled by the custom inserter.
2909 let usesCustomInserter = 1 in {
2910 def RSBSri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2912 [(set GPR:$Rd, (subc so_imm:$imm, GPR:$Rn))]>;
2913 def RSBSrr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2915 [/* For disassembly only; pattern left blank */]>;
2916 def RSBSrsi : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg_imm:$shift),
2918 [(set GPR:$Rd, (subc so_reg_imm:$shift, GPR:$Rn))]>;
2919 def RSBSrsr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg_reg:$shift),
2921 [(set GPR:$Rd, (subc so_reg_reg:$shift, GPR:$Rn))]>;
2924 let Uses = [CPSR] in {
2925 def RSCri : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2926 DPFrm, IIC_iALUi, "rsc", "\t$Rd, $Rn, $imm",
2927 [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>,
2933 let Inst{15-12} = Rd;
2934 let Inst{19-16} = Rn;
2935 let Inst{11-0} = imm;
2937 // The reg/reg form is only defined for the disassembler; for codegen it is
2938 // equivalent to SUBrr.
2939 def RSCrr : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2940 DPFrm, IIC_iALUr, "rsc", "\t$Rd, $Rn, $Rm",
2941 [/* For disassembly only; pattern left blank */]> {
2945 let Inst{11-4} = 0b00000000;
2948 let Inst{15-12} = Rd;
2949 let Inst{19-16} = Rn;
2951 def RSCrsi : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_imm:$shift),
2952 DPSoRegImmFrm, IIC_iALUsr, "rsc", "\t$Rd, $Rn, $shift",
2953 [(set GPR:$Rd, (sube_dead_carry so_reg_imm:$shift, GPR:$Rn))]>,
2959 let Inst{19-16} = Rn;
2960 let Inst{15-12} = Rd;
2961 let Inst{11-5} = shift{11-5};
2963 let Inst{3-0} = shift{3-0};
2965 def RSCrsr : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_reg:$shift),
2966 DPSoRegRegFrm, IIC_iALUsr, "rsc", "\t$Rd, $Rn, $shift",
2967 [(set GPR:$Rd, (sube_dead_carry so_reg_reg:$shift, GPR:$Rn))]>,
2973 let Inst{19-16} = Rn;
2974 let Inst{15-12} = Rd;
2975 let Inst{11-8} = shift{11-8};
2977 let Inst{6-5} = shift{6-5};
2979 let Inst{3-0} = shift{3-0};
2984 // NOTE: CPSR def omitted because it will be handled by the custom inserter.
2985 let usesCustomInserter = 1, Uses = [CPSR] in {
2986 def RSCSri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2988 [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>;
2989 def RSCSrsi : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg_imm:$shift),
2991 [(set GPR:$Rd, (sube_dead_carry so_reg_imm:$shift, GPR:$Rn))]>;
2992 def RSCSrsr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg_reg:$shift),
2994 [(set GPR:$Rd, (sube_dead_carry so_reg_reg:$shift, GPR:$Rn))]>;
2997 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
2998 // The assume-no-carry-in form uses the negation of the input since add/sub
2999 // assume opposite meanings of the carry flag (i.e., carry == !borrow).
3000 // See the definition of AddWithCarry() in the ARM ARM A2.2.1 for the gory
3002 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
3003 (SUBri GPR:$src, so_imm_neg:$imm)>;
3004 def : ARMPat<(addc GPR:$src, so_imm_neg:$imm),
3005 (SUBSri GPR:$src, so_imm_neg:$imm)>;
3006 // The with-carry-in form matches bitwise not instead of the negation.
3007 // Effectively, the inverse interpretation of the carry flag already accounts
3008 // for part of the negation.
3009 def : ARMPat<(adde_dead_carry GPR:$src, so_imm_not:$imm),
3010 (SBCri GPR:$src, so_imm_not:$imm)>;
3011 def : ARMPat<(adde_live_carry GPR:$src, so_imm_not:$imm),
3012 (SBCSri GPR:$src, so_imm_not:$imm)>;
3014 // Note: These are implemented in C++ code, because they have to generate
3015 // ADD/SUBrs instructions, which use a complex pattern that a xform function
3017 // (mul X, 2^n+1) -> (add (X << n), X)
3018 // (mul X, 2^n-1) -> (rsb X, (X << n))
3020 // ARM Arithmetic Instruction
3021 // GPR:$dst = GPR:$a op GPR:$b
3022 class AAI<bits<8> op27_20, bits<8> op11_4, string opc,
3023 list<dag> pattern = [],
3024 dag iops = (ins GPRnopc:$Rn, GPRnopc:$Rm),
3025 string asm = "\t$Rd, $Rn, $Rm">
3026 : AI<(outs GPRnopc:$Rd), iops, DPFrm, IIC_iALUr, opc, asm, pattern> {
3030 let Inst{27-20} = op27_20;
3031 let Inst{11-4} = op11_4;
3032 let Inst{19-16} = Rn;
3033 let Inst{15-12} = Rd;
3037 // Saturating add/subtract
3039 def QADD : AAI<0b00010000, 0b00000101, "qadd",
3040 [(set GPRnopc:$Rd, (int_arm_qadd GPRnopc:$Rm, GPRnopc:$Rn))],
3041 (ins GPRnopc:$Rm, GPRnopc:$Rn), "\t$Rd, $Rm, $Rn">;
3042 def QSUB : AAI<0b00010010, 0b00000101, "qsub",
3043 [(set GPRnopc:$Rd, (int_arm_qsub GPRnopc:$Rm, GPRnopc:$Rn))],
3044 (ins GPRnopc:$Rm, GPRnopc:$Rn), "\t$Rd, $Rm, $Rn">;
3045 def QDADD : AAI<0b00010100, 0b00000101, "qdadd", [],
3046 (ins GPRnopc:$Rm, GPRnopc:$Rn),
3048 def QDSUB : AAI<0b00010110, 0b00000101, "qdsub", [],
3049 (ins GPRnopc:$Rm, GPRnopc:$Rn),
3052 def QADD16 : AAI<0b01100010, 0b11110001, "qadd16">;
3053 def QADD8 : AAI<0b01100010, 0b11111001, "qadd8">;
3054 def QASX : AAI<0b01100010, 0b11110011, "qasx">;
3055 def QSAX : AAI<0b01100010, 0b11110101, "qsax">;
3056 def QSUB16 : AAI<0b01100010, 0b11110111, "qsub16">;
3057 def QSUB8 : AAI<0b01100010, 0b11111111, "qsub8">;
3058 def UQADD16 : AAI<0b01100110, 0b11110001, "uqadd16">;
3059 def UQADD8 : AAI<0b01100110, 0b11111001, "uqadd8">;
3060 def UQASX : AAI<0b01100110, 0b11110011, "uqasx">;
3061 def UQSAX : AAI<0b01100110, 0b11110101, "uqsax">;
3062 def UQSUB16 : AAI<0b01100110, 0b11110111, "uqsub16">;
3063 def UQSUB8 : AAI<0b01100110, 0b11111111, "uqsub8">;
3065 // Signed/Unsigned add/subtract
3067 def SASX : AAI<0b01100001, 0b11110011, "sasx">;
3068 def SADD16 : AAI<0b01100001, 0b11110001, "sadd16">;
3069 def SADD8 : AAI<0b01100001, 0b11111001, "sadd8">;
3070 def SSAX : AAI<0b01100001, 0b11110101, "ssax">;
3071 def SSUB16 : AAI<0b01100001, 0b11110111, "ssub16">;
3072 def SSUB8 : AAI<0b01100001, 0b11111111, "ssub8">;
3073 def UASX : AAI<0b01100101, 0b11110011, "uasx">;
3074 def UADD16 : AAI<0b01100101, 0b11110001, "uadd16">;
3075 def UADD8 : AAI<0b01100101, 0b11111001, "uadd8">;
3076 def USAX : AAI<0b01100101, 0b11110101, "usax">;
3077 def USUB16 : AAI<0b01100101, 0b11110111, "usub16">;
3078 def USUB8 : AAI<0b01100101, 0b11111111, "usub8">;
3080 // Signed/Unsigned halving add/subtract
3082 def SHASX : AAI<0b01100011, 0b11110011, "shasx">;
3083 def SHADD16 : AAI<0b01100011, 0b11110001, "shadd16">;
3084 def SHADD8 : AAI<0b01100011, 0b11111001, "shadd8">;
3085 def SHSAX : AAI<0b01100011, 0b11110101, "shsax">;
3086 def SHSUB16 : AAI<0b01100011, 0b11110111, "shsub16">;
3087 def SHSUB8 : AAI<0b01100011, 0b11111111, "shsub8">;
3088 def UHASX : AAI<0b01100111, 0b11110011, "uhasx">;
3089 def UHADD16 : AAI<0b01100111, 0b11110001, "uhadd16">;
3090 def UHADD8 : AAI<0b01100111, 0b11111001, "uhadd8">;
3091 def UHSAX : AAI<0b01100111, 0b11110101, "uhsax">;
3092 def UHSUB16 : AAI<0b01100111, 0b11110111, "uhsub16">;
3093 def UHSUB8 : AAI<0b01100111, 0b11111111, "uhsub8">;
3095 // Unsigned Sum of Absolute Differences [and Accumulate] -- for disassembly only
3097 def USAD8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3098 MulFrm /* for convenience */, NoItinerary, "usad8",
3099 "\t$Rd, $Rn, $Rm", []>,
3100 Requires<[IsARM, HasV6]> {
3104 let Inst{27-20} = 0b01111000;
3105 let Inst{15-12} = 0b1111;
3106 let Inst{7-4} = 0b0001;
3107 let Inst{19-16} = Rd;
3108 let Inst{11-8} = Rm;
3111 def USADA8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3112 MulFrm /* for convenience */, NoItinerary, "usada8",
3113 "\t$Rd, $Rn, $Rm, $Ra", []>,
3114 Requires<[IsARM, HasV6]> {
3119 let Inst{27-20} = 0b01111000;
3120 let Inst{7-4} = 0b0001;
3121 let Inst{19-16} = Rd;
3122 let Inst{15-12} = Ra;
3123 let Inst{11-8} = Rm;
3127 // Signed/Unsigned saturate -- for disassembly only
3129 def SSAT : AI<(outs GPRnopc:$Rd),
3130 (ins imm1_32:$sat_imm, GPRnopc:$Rn, shift_imm:$sh),
3131 SatFrm, NoItinerary, "ssat", "\t$Rd, $sat_imm, $Rn$sh", []> {
3136 let Inst{27-21} = 0b0110101;
3137 let Inst{5-4} = 0b01;
3138 let Inst{20-16} = sat_imm;
3139 let Inst{15-12} = Rd;
3140 let Inst{11-7} = sh{4-0};
3141 let Inst{6} = sh{5};
3145 def SSAT16 : AI<(outs GPRnopc:$Rd),
3146 (ins imm1_16:$sat_imm, GPRnopc:$Rn), SatFrm,
3147 NoItinerary, "ssat16", "\t$Rd, $sat_imm, $Rn", []> {
3151 let Inst{27-20} = 0b01101010;
3152 let Inst{11-4} = 0b11110011;
3153 let Inst{15-12} = Rd;
3154 let Inst{19-16} = sat_imm;
3158 def USAT : AI<(outs GPRnopc:$Rd),
3159 (ins imm0_31:$sat_imm, GPRnopc:$Rn, shift_imm:$sh),
3160 SatFrm, NoItinerary, "usat", "\t$Rd, $sat_imm, $Rn$sh", []> {
3165 let Inst{27-21} = 0b0110111;
3166 let Inst{5-4} = 0b01;
3167 let Inst{15-12} = Rd;
3168 let Inst{11-7} = sh{4-0};
3169 let Inst{6} = sh{5};
3170 let Inst{20-16} = sat_imm;
3174 def USAT16 : AI<(outs GPRnopc:$Rd),
3175 (ins imm0_15:$sat_imm, GPRnopc:$a), SatFrm,
3176 NoItinerary, "usat16", "\t$Rd, $sat_imm, $a",
3177 [/* For disassembly only; pattern left blank */]> {
3181 let Inst{27-20} = 0b01101110;
3182 let Inst{11-4} = 0b11110011;
3183 let Inst{15-12} = Rd;
3184 let Inst{19-16} = sat_imm;
3188 def : ARMV6Pat<(int_arm_ssat GPRnopc:$a, imm:$pos),
3189 (SSAT imm:$pos, GPRnopc:$a, 0)>;
3190 def : ARMV6Pat<(int_arm_usat GPRnopc:$a, imm:$pos),
3191 (USAT imm:$pos, GPRnopc:$a, 0)>;
3193 //===----------------------------------------------------------------------===//
3194 // Bitwise Instructions.
3197 defm AND : AsI1_bin_irs<0b0000, "and",
3198 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3199 BinOpFrag<(and node:$LHS, node:$RHS)>, "AND", 1>;
3200 defm ORR : AsI1_bin_irs<0b1100, "orr",
3201 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3202 BinOpFrag<(or node:$LHS, node:$RHS)>, "ORR", 1>;
3203 defm EOR : AsI1_bin_irs<0b0001, "eor",
3204 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3205 BinOpFrag<(xor node:$LHS, node:$RHS)>, "EOR", 1>;
3206 defm BIC : AsI1_bin_irs<0b1110, "bic",
3207 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3208 BinOpFrag<(and node:$LHS, (not node:$RHS))>, "BIC">;
3210 // FIXME: bf_inv_mask_imm should be two operands, the lsb and the msb, just
3211 // like in the actual instruction encoding. The complexity of mapping the mask
3212 // to the lsb/msb pair should be handled by ISel, not encapsulated in the
3213 // instruction description.
3214 def BFC : I<(outs GPR:$Rd), (ins GPR:$src, bf_inv_mask_imm:$imm),
3215 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3216 "bfc", "\t$Rd, $imm", "$src = $Rd",
3217 [(set GPR:$Rd, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
3218 Requires<[IsARM, HasV6T2]> {
3221 let Inst{27-21} = 0b0111110;
3222 let Inst{6-0} = 0b0011111;
3223 let Inst{15-12} = Rd;
3224 let Inst{11-7} = imm{4-0}; // lsb
3225 let Inst{20-16} = imm{9-5}; // msb
3228 // A8.6.18 BFI - Bitfield insert (Encoding A1)
3229 def BFI:I<(outs GPRnopc:$Rd), (ins GPRnopc:$src, GPR:$Rn, bf_inv_mask_imm:$imm),
3230 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3231 "bfi", "\t$Rd, $Rn, $imm", "$src = $Rd",
3232 [(set GPRnopc:$Rd, (ARMbfi GPRnopc:$src, GPR:$Rn,
3233 bf_inv_mask_imm:$imm))]>,
3234 Requires<[IsARM, HasV6T2]> {
3238 let Inst{27-21} = 0b0111110;
3239 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
3240 let Inst{15-12} = Rd;
3241 let Inst{11-7} = imm{4-0}; // lsb
3242 let Inst{20-16} = imm{9-5}; // width
3246 // GNU as only supports this form of bfi (w/ 4 arguments)
3247 let isAsmParserOnly = 1 in
3248 def BFI4p : I<(outs GPRnopc:$Rd), (ins GPRnopc:$src, GPR:$Rn,
3249 lsb_pos_imm:$lsb, width_imm:$width),
3250 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3251 "bfi", "\t$Rd, $Rn, $lsb, $width", "$src = $Rd",
3252 []>, Requires<[IsARM, HasV6T2]> {
3257 let Inst{27-21} = 0b0111110;
3258 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
3259 let Inst{15-12} = Rd;
3260 let Inst{11-7} = lsb;
3261 let Inst{20-16} = width; // Custom encoder => lsb+width-1
3265 def MVNr : AsI1<0b1111, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMVNr,
3266 "mvn", "\t$Rd, $Rm",
3267 [(set GPR:$Rd, (not GPR:$Rm))]>, UnaryDP {
3271 let Inst{19-16} = 0b0000;
3272 let Inst{11-4} = 0b00000000;
3273 let Inst{15-12} = Rd;
3276 def MVNsi : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg_imm:$shift),
3277 DPSoRegImmFrm, IIC_iMVNsr, "mvn", "\t$Rd, $shift",
3278 [(set GPR:$Rd, (not so_reg_imm:$shift))]>, UnaryDP {
3282 let Inst{19-16} = 0b0000;
3283 let Inst{15-12} = Rd;
3284 let Inst{11-5} = shift{11-5};
3286 let Inst{3-0} = shift{3-0};
3288 def MVNsr : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg_reg:$shift),
3289 DPSoRegRegFrm, IIC_iMVNsr, "mvn", "\t$Rd, $shift",
3290 [(set GPR:$Rd, (not so_reg_reg:$shift))]>, UnaryDP {
3294 let Inst{19-16} = 0b0000;
3295 let Inst{15-12} = Rd;
3296 let Inst{11-8} = shift{11-8};
3298 let Inst{6-5} = shift{6-5};
3300 let Inst{3-0} = shift{3-0};
3302 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
3303 def MVNi : AsI1<0b1111, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm,
3304 IIC_iMVNi, "mvn", "\t$Rd, $imm",
3305 [(set GPR:$Rd, so_imm_not:$imm)]>,UnaryDP {
3309 let Inst{19-16} = 0b0000;
3310 let Inst{15-12} = Rd;
3311 let Inst{11-0} = imm;
3314 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
3315 (BICri GPR:$src, so_imm_not:$imm)>;
3317 //===----------------------------------------------------------------------===//
3318 // Multiply Instructions.
3320 class AsMul1I32<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
3321 string opc, string asm, list<dag> pattern>
3322 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
3326 let Inst{19-16} = Rd;
3327 let Inst{11-8} = Rm;
3330 class AsMul1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
3331 string opc, string asm, list<dag> pattern>
3332 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
3337 let Inst{19-16} = RdHi;
3338 let Inst{15-12} = RdLo;
3339 let Inst{11-8} = Rm;
3343 // FIXME: The v5 pseudos are only necessary for the additional Constraint
3344 // property. Remove them when it's possible to add those properties
3345 // on an individual MachineInstr, not just an instuction description.
3346 let isCommutable = 1 in {
3347 def MUL : AsMul1I32<0b0000000, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3348 IIC_iMUL32, "mul", "\t$Rd, $Rn, $Rm",
3349 [(set GPR:$Rd, (mul GPR:$Rn, GPR:$Rm))]>,
3350 Requires<[IsARM, HasV6]> {
3351 let Inst{15-12} = 0b0000;
3354 let Constraints = "@earlyclobber $Rd" in
3355 def MULv5: ARMPseudoExpand<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
3356 pred:$p, cc_out:$s),
3358 [(set GPR:$Rd, (mul GPR:$Rn, GPR:$Rm))],
3359 (MUL GPR:$Rd, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3360 Requires<[IsARM, NoV6]>;
3363 def MLA : AsMul1I32<0b0000001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3364 IIC_iMAC32, "mla", "\t$Rd, $Rn, $Rm, $Ra",
3365 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
3366 Requires<[IsARM, HasV6]> {
3368 let Inst{15-12} = Ra;
3371 let Constraints = "@earlyclobber $Rd" in
3372 def MLAv5: ARMPseudoExpand<(outs GPR:$Rd),
3373 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra, pred:$p, cc_out:$s),
3375 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))],
3376 (MLA GPR:$Rd, GPR:$Rn, GPR:$Rm, GPR:$Ra, pred:$p, cc_out:$s)>,
3377 Requires<[IsARM, NoV6]>;
3379 def MLS : AMul1I<0b0000011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3380 IIC_iMAC32, "mls", "\t$Rd, $Rn, $Rm, $Ra",
3381 [(set GPR:$Rd, (sub GPR:$Ra, (mul GPR:$Rn, GPR:$Rm)))]>,
3382 Requires<[IsARM, HasV6T2]> {
3387 let Inst{19-16} = Rd;
3388 let Inst{15-12} = Ra;
3389 let Inst{11-8} = Rm;
3393 // Extra precision multiplies with low / high results
3394 let neverHasSideEffects = 1 in {
3395 let isCommutable = 1 in {
3396 def SMULL : AsMul1I64<0b0000110, (outs GPR:$RdLo, GPR:$RdHi),
3397 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
3398 "smull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3399 Requires<[IsARM, HasV6]>;
3401 def UMULL : AsMul1I64<0b0000100, (outs GPR:$RdLo, GPR:$RdHi),
3402 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
3403 "umull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3404 Requires<[IsARM, HasV6]>;
3406 let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
3407 def SMULLv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3408 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
3410 (SMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3411 Requires<[IsARM, NoV6]>;
3413 def UMULLv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3414 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
3416 (UMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3417 Requires<[IsARM, NoV6]>;
3421 // Multiply + accumulate
3422 def SMLAL : AsMul1I64<0b0000111, (outs GPR:$RdLo, GPR:$RdHi),
3423 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
3424 "smlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3425 Requires<[IsARM, HasV6]>;
3426 def UMLAL : AsMul1I64<0b0000101, (outs GPR:$RdLo, GPR:$RdHi),
3427 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
3428 "umlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3429 Requires<[IsARM, HasV6]>;
3431 def UMAAL : AMul1I <0b0000010, (outs GPR:$RdLo, GPR:$RdHi),
3432 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
3433 "umaal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3434 Requires<[IsARM, HasV6]> {
3439 let Inst{19-16} = RdLo;
3440 let Inst{15-12} = RdHi;
3441 let Inst{11-8} = Rm;
3445 let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
3446 def SMLALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3447 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
3449 (SMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3450 Requires<[IsARM, NoV6]>;
3451 def UMLALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3452 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
3454 (UMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3455 Requires<[IsARM, NoV6]>;
3456 def UMAALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3457 (ins GPR:$Rn, GPR:$Rm, pred:$p),
3459 (UMAAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p)>,
3460 Requires<[IsARM, NoV6]>;
3463 } // neverHasSideEffects
3465 // Most significant word multiply
3466 def SMMUL : AMul2I <0b0111010, 0b0001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3467 IIC_iMUL32, "smmul", "\t$Rd, $Rn, $Rm",
3468 [(set GPR:$Rd, (mulhs GPR:$Rn, GPR:$Rm))]>,
3469 Requires<[IsARM, HasV6]> {
3470 let Inst{15-12} = 0b1111;
3473 def SMMULR : AMul2I <0b0111010, 0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3474 IIC_iMUL32, "smmulr", "\t$Rd, $Rn, $Rm",
3475 [/* For disassembly only; pattern left blank */]>,
3476 Requires<[IsARM, HasV6]> {
3477 let Inst{15-12} = 0b1111;
3480 def SMMLA : AMul2Ia <0b0111010, 0b0001, (outs GPR:$Rd),
3481 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3482 IIC_iMAC32, "smmla", "\t$Rd, $Rn, $Rm, $Ra",
3483 [(set GPR:$Rd, (add (mulhs GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
3484 Requires<[IsARM, HasV6]>;
3486 def SMMLAR : AMul2Ia <0b0111010, 0b0011, (outs GPR:$Rd),
3487 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3488 IIC_iMAC32, "smmlar", "\t$Rd, $Rn, $Rm, $Ra",
3489 [/* For disassembly only; pattern left blank */]>,
3490 Requires<[IsARM, HasV6]>;
3492 def SMMLS : AMul2Ia <0b0111010, 0b1101, (outs GPR:$Rd),
3493 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3494 IIC_iMAC32, "smmls", "\t$Rd, $Rn, $Rm, $Ra",
3495 [(set GPR:$Rd, (sub GPR:$Ra, (mulhs GPR:$Rn, GPR:$Rm)))]>,
3496 Requires<[IsARM, HasV6]>;
3498 def SMMLSR : AMul2Ia <0b0111010, 0b1111, (outs GPR:$Rd),
3499 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3500 IIC_iMAC32, "smmlsr", "\t$Rd, $Rn, $Rm, $Ra",
3501 [/* For disassembly only; pattern left blank */]>,
3502 Requires<[IsARM, HasV6]>;
3504 multiclass AI_smul<string opc, PatFrag opnode> {
3505 def BB : AMulxyI<0b0001011, 0b00, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3506 IIC_iMUL16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm",
3507 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
3508 (sext_inreg GPR:$Rm, i16)))]>,
3509 Requires<[IsARM, HasV5TE]>;
3511 def BT : AMulxyI<0b0001011, 0b10, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3512 IIC_iMUL16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm",
3513 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
3514 (sra GPR:$Rm, (i32 16))))]>,
3515 Requires<[IsARM, HasV5TE]>;
3517 def TB : AMulxyI<0b0001011, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3518 IIC_iMUL16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm",
3519 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
3520 (sext_inreg GPR:$Rm, i16)))]>,
3521 Requires<[IsARM, HasV5TE]>;
3523 def TT : AMulxyI<0b0001011, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3524 IIC_iMUL16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm",
3525 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
3526 (sra GPR:$Rm, (i32 16))))]>,
3527 Requires<[IsARM, HasV5TE]>;
3529 def WB : AMulxyI<0b0001001, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3530 IIC_iMUL16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm",
3531 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
3532 (sext_inreg GPR:$Rm, i16)), (i32 16)))]>,
3533 Requires<[IsARM, HasV5TE]>;
3535 def WT : AMulxyI<0b0001001, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3536 IIC_iMUL16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm",
3537 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
3538 (sra GPR:$Rm, (i32 16))), (i32 16)))]>,
3539 Requires<[IsARM, HasV5TE]>;
3543 multiclass AI_smla<string opc, PatFrag opnode> {
3544 let DecoderMethod = "DecodeSMLAInstruction" in {
3545 def BB : AMulxyIa<0b0001000, 0b00, (outs GPRnopc:$Rd),
3546 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3547 IIC_iMAC16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm, $Ra",
3548 [(set GPRnopc:$Rd, (add GPR:$Ra,
3549 (opnode (sext_inreg GPRnopc:$Rn, i16),
3550 (sext_inreg GPRnopc:$Rm, i16))))]>,
3551 Requires<[IsARM, HasV5TE]>;
3553 def BT : AMulxyIa<0b0001000, 0b10, (outs GPRnopc:$Rd),
3554 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3555 IIC_iMAC16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm, $Ra",
3557 (add GPR:$Ra, (opnode (sext_inreg GPRnopc:$Rn, i16),
3558 (sra GPRnopc:$Rm, (i32 16)))))]>,
3559 Requires<[IsARM, HasV5TE]>;
3561 def TB : AMulxyIa<0b0001000, 0b01, (outs GPRnopc:$Rd),
3562 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3563 IIC_iMAC16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm, $Ra",
3565 (add GPR:$Ra, (opnode (sra GPRnopc:$Rn, (i32 16)),
3566 (sext_inreg GPRnopc:$Rm, i16))))]>,
3567 Requires<[IsARM, HasV5TE]>;
3569 def TT : AMulxyIa<0b0001000, 0b11, (outs GPRnopc:$Rd),
3570 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3571 IIC_iMAC16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm, $Ra",
3573 (add GPR:$Ra, (opnode (sra GPRnopc:$Rn, (i32 16)),
3574 (sra GPRnopc:$Rm, (i32 16)))))]>,
3575 Requires<[IsARM, HasV5TE]>;
3577 def WB : AMulxyIa<0b0001001, 0b00, (outs GPRnopc:$Rd),
3578 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3579 IIC_iMAC16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm, $Ra",
3581 (add GPR:$Ra, (sra (opnode GPRnopc:$Rn,
3582 (sext_inreg GPRnopc:$Rm, i16)), (i32 16))))]>,
3583 Requires<[IsARM, HasV5TE]>;
3585 def WT : AMulxyIa<0b0001001, 0b10, (outs GPRnopc:$Rd),
3586 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3587 IIC_iMAC16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm, $Ra",
3589 (add GPR:$Ra, (sra (opnode GPRnopc:$Rn,
3590 (sra GPRnopc:$Rm, (i32 16))), (i32 16))))]>,
3591 Requires<[IsARM, HasV5TE]>;
3595 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
3596 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
3598 // Halfword multiply accumulate long: SMLAL<x><y> -- for disassembly only
3599 def SMLALBB : AMulxyI64<0b0001010, 0b00, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3600 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3601 IIC_iMAC64, "smlalbb", "\t$RdLo, $RdHi, $Rn, $Rm",
3602 [/* For disassembly only; pattern left blank */]>,
3603 Requires<[IsARM, HasV5TE]>;
3605 def SMLALBT : AMulxyI64<0b0001010, 0b10, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3606 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3607 IIC_iMAC64, "smlalbt", "\t$RdLo, $RdHi, $Rn, $Rm",
3608 [/* For disassembly only; pattern left blank */]>,
3609 Requires<[IsARM, HasV5TE]>;
3611 def SMLALTB : AMulxyI64<0b0001010, 0b01, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3612 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3613 IIC_iMAC64, "smlaltb", "\t$RdLo, $RdHi, $Rn, $Rm",
3614 [/* For disassembly only; pattern left blank */]>,
3615 Requires<[IsARM, HasV5TE]>;
3617 def SMLALTT : AMulxyI64<0b0001010, 0b11, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3618 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3619 IIC_iMAC64, "smlaltt", "\t$RdLo, $RdHi, $Rn, $Rm",
3620 [/* For disassembly only; pattern left blank */]>,
3621 Requires<[IsARM, HasV5TE]>;
3623 // Helper class for AI_smld -- for disassembly only
3624 class AMulDualIbase<bit long, bit sub, bit swap, dag oops, dag iops,
3625 InstrItinClass itin, string opc, string asm>
3626 : AI<oops, iops, MulFrm, itin, opc, asm, []>, Requires<[IsARM, HasV6]> {
3629 let Inst{27-23} = 0b01110;
3630 let Inst{22} = long;
3631 let Inst{21-20} = 0b00;
3632 let Inst{11-8} = Rm;
3639 class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
3640 InstrItinClass itin, string opc, string asm>
3641 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
3643 let Inst{15-12} = 0b1111;
3644 let Inst{19-16} = Rd;
3646 class AMulDualIa<bit long, bit sub, bit swap, dag oops, dag iops,
3647 InstrItinClass itin, string opc, string asm>
3648 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
3651 let Inst{19-16} = Rd;
3652 let Inst{15-12} = Ra;
3654 class AMulDualI64<bit long, bit sub, bit swap, dag oops, dag iops,
3655 InstrItinClass itin, string opc, string asm>
3656 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
3659 let Inst{19-16} = RdHi;
3660 let Inst{15-12} = RdLo;
3663 multiclass AI_smld<bit sub, string opc> {
3665 def D : AMulDualIa<0, sub, 0, (outs GPRnopc:$Rd),
3666 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3667 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm, $Ra">;
3669 def DX: AMulDualIa<0, sub, 1, (outs GPRnopc:$Rd),
3670 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3671 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm, $Ra">;
3673 def LD: AMulDualI64<1, sub, 0, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3674 (ins GPRnopc:$Rn, GPRnopc:$Rm), NoItinerary,
3675 !strconcat(opc, "ld"), "\t$RdLo, $RdHi, $Rn, $Rm">;
3677 def LDX : AMulDualI64<1, sub, 1, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3678 (ins GPRnopc:$Rn, GPRnopc:$Rm), NoItinerary,
3679 !strconcat(opc, "ldx"),"\t$RdLo, $RdHi, $Rn, $Rm">;
3683 defm SMLA : AI_smld<0, "smla">;
3684 defm SMLS : AI_smld<1, "smls">;
3686 multiclass AI_sdml<bit sub, string opc> {
3688 def D:AMulDualI<0, sub, 0, (outs GPRnopc:$Rd), (ins GPRnopc:$Rn, GPRnopc:$Rm),
3689 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm">;
3690 def DX:AMulDualI<0, sub, 1, (outs GPRnopc:$Rd),(ins GPRnopc:$Rn, GPRnopc:$Rm),
3691 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm">;
3694 defm SMUA : AI_sdml<0, "smua">;
3695 defm SMUS : AI_sdml<1, "smus">;
3697 //===----------------------------------------------------------------------===//
3698 // Misc. Arithmetic Instructions.
3701 def CLZ : AMiscA1I<0b000010110, 0b0001, (outs GPR:$Rd), (ins GPR:$Rm),
3702 IIC_iUNAr, "clz", "\t$Rd, $Rm",
3703 [(set GPR:$Rd, (ctlz GPR:$Rm))]>, Requires<[IsARM, HasV5T]>;
3705 def RBIT : AMiscA1I<0b01101111, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
3706 IIC_iUNAr, "rbit", "\t$Rd, $Rm",
3707 [(set GPR:$Rd, (ARMrbit GPR:$Rm))]>,
3708 Requires<[IsARM, HasV6T2]>;
3710 def REV : AMiscA1I<0b01101011, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
3711 IIC_iUNAr, "rev", "\t$Rd, $Rm",
3712 [(set GPR:$Rd, (bswap GPR:$Rm))]>, Requires<[IsARM, HasV6]>;
3714 let AddedComplexity = 5 in
3715 def REV16 : AMiscA1I<0b01101011, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
3716 IIC_iUNAr, "rev16", "\t$Rd, $Rm",
3717 [(set GPR:$Rd, (rotr (bswap GPR:$Rm), (i32 16)))]>,
3718 Requires<[IsARM, HasV6]>;
3720 let AddedComplexity = 5 in
3721 def REVSH : AMiscA1I<0b01101111, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
3722 IIC_iUNAr, "revsh", "\t$Rd, $Rm",
3723 [(set GPR:$Rd, (sra (bswap GPR:$Rm), (i32 16)))]>,
3724 Requires<[IsARM, HasV6]>;
3726 def : ARMV6Pat<(or (sra (shl GPR:$Rm, (i32 24)), (i32 16)),
3727 (and (srl GPR:$Rm, (i32 8)), 0xFF)),
3730 def PKHBT : APKHI<0b01101000, 0, (outs GPR:$Rd),
3731 (ins GPR:$Rn, GPR:$Rm, pkh_lsl_amt:$sh),
3732 IIC_iALUsi, "pkhbt", "\t$Rd, $Rn, $Rm$sh",
3733 [(set GPR:$Rd, (or (and GPR:$Rn, 0xFFFF),
3734 (and (shl GPR:$Rm, pkh_lsl_amt:$sh),
3736 Requires<[IsARM, HasV6]>;
3738 // Alternate cases for PKHBT where identities eliminate some nodes.
3739 def : ARMV6Pat<(or (and GPR:$Rn, 0xFFFF), (and GPR:$Rm, 0xFFFF0000)),
3740 (PKHBT GPR:$Rn, GPR:$Rm, 0)>;
3741 def : ARMV6Pat<(or (and GPR:$Rn, 0xFFFF), (shl GPR:$Rm, imm16_31:$sh)),
3742 (PKHBT GPR:$Rn, GPR:$Rm, imm16_31:$sh)>;
3744 // Note: Shifts of 1-15 bits will be transformed to srl instead of sra and
3745 // will match the pattern below.
3746 def PKHTB : APKHI<0b01101000, 1, (outs GPR:$Rd),
3747 (ins GPR:$Rn, GPR:$Rm, pkh_asr_amt:$sh),
3748 IIC_iBITsi, "pkhtb", "\t$Rd, $Rn, $Rm$sh",
3749 [(set GPR:$Rd, (or (and GPR:$Rn, 0xFFFF0000),
3750 (and (sra GPR:$Rm, pkh_asr_amt:$sh),
3752 Requires<[IsARM, HasV6]>;
3754 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
3755 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
3756 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000), (srl GPR:$src2, imm16_31:$sh)),
3757 (PKHTB GPR:$src1, GPR:$src2, imm16_31:$sh)>;
3758 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000),
3759 (and (srl GPR:$src2, imm1_15:$sh), 0xFFFF)),
3760 (PKHTB GPR:$src1, GPR:$src2, imm1_15:$sh)>;
3762 //===----------------------------------------------------------------------===//
3763 // Comparison Instructions...
3766 defm CMP : AI1_cmp_irs<0b1010, "cmp",
3767 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
3768 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
3770 // ARMcmpZ can re-use the above instruction definitions.
3771 def : ARMPat<(ARMcmpZ GPR:$src, so_imm:$imm),
3772 (CMPri GPR:$src, so_imm:$imm)>;
3773 def : ARMPat<(ARMcmpZ GPR:$src, GPR:$rhs),
3774 (CMPrr GPR:$src, GPR:$rhs)>;
3775 def : ARMPat<(ARMcmpZ GPR:$src, so_reg_imm:$rhs),
3776 (CMPrsi GPR:$src, so_reg_imm:$rhs)>;
3777 def : ARMPat<(ARMcmpZ GPR:$src, so_reg_reg:$rhs),
3778 (CMPrsr GPR:$src, so_reg_reg:$rhs)>;
3780 // FIXME: We have to be careful when using the CMN instruction and comparison
3781 // with 0. One would expect these two pieces of code should give identical
3797 // However, the CMN gives the *opposite* result when r1 is 0. This is because
3798 // the carry flag is set in the CMP case but not in the CMN case. In short, the
3799 // CMP instruction doesn't perform a truncate of the (logical) NOT of 0 plus the
3800 // value of r0 and the carry bit (because the "carry bit" parameter to
3801 // AddWithCarry is defined as 1 in this case, the carry flag will always be set
3802 // when r0 >= 0). The CMN instruction doesn't perform a NOT of 0 so there is
3803 // never a "carry" when this AddWithCarry is performed (because the "carry bit"
3804 // parameter to AddWithCarry is defined as 0).
3806 // When x is 0 and unsigned:
3810 // ~x + 1 = 0x1 0000 0000
3811 // (-x = 0) != (0x1 0000 0000 = ~x + 1)
3813 // Therefore, we should disable CMN when comparing against zero, until we can
3814 // limit when the CMN instruction is used (when we know that the RHS is not 0 or
3815 // when it's a comparison which doesn't look at the 'carry' flag).
3817 // (See the ARM docs for the "AddWithCarry" pseudo-code.)
3819 // This is related to <rdar://problem/7569620>.
3821 //defm CMN : AI1_cmp_irs<0b1011, "cmn",
3822 // BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
3824 // Note that TST/TEQ don't set all the same flags that CMP does!
3825 defm TST : AI1_cmp_irs<0b1000, "tst",
3826 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
3827 BinOpFrag<(ARMcmpZ (and_su node:$LHS, node:$RHS), 0)>, 1>;
3828 defm TEQ : AI1_cmp_irs<0b1001, "teq",
3829 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
3830 BinOpFrag<(ARMcmpZ (xor_su node:$LHS, node:$RHS), 0)>, 1>;
3832 defm CMNz : AI1_cmp_irs<0b1011, "cmn",
3833 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
3834 BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>>;
3836 //def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
3837 // (CMNri GPR:$src, so_imm_neg:$imm)>;
3839 def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
3840 (CMNzri GPR:$src, so_imm_neg:$imm)>;
3842 // Pseudo i64 compares for some floating point compares.
3843 let usesCustomInserter = 1, isBranch = 1, isTerminator = 1,
3845 def BCCi64 : PseudoInst<(outs),
3846 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, brtarget:$dst),
3848 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, bb:$dst)]>;
3850 def BCCZi64 : PseudoInst<(outs),
3851 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, brtarget:$dst), IIC_Br,
3852 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, 0, 0, bb:$dst)]>;
3853 } // usesCustomInserter
3856 // Conditional moves
3857 // FIXME: should be able to write a pattern for ARMcmov, but can't use
3858 // a two-value operand where a dag node expects two operands. :(
3859 let neverHasSideEffects = 1 in {
3860 def MOVCCr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$false, GPR:$Rm, pred:$p),
3862 [/*(set GPR:$Rd, (ARMcmov GPR:$false, GPR:$Rm, imm:$cc, CCR:$ccr))*/]>,
3863 RegConstraint<"$false = $Rd">;
3864 def MOVCCsi : ARMPseudoInst<(outs GPR:$Rd),
3865 (ins GPR:$false, so_reg_imm:$shift, pred:$p),
3867 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_reg_imm:$shift,
3868 imm:$cc, CCR:$ccr))*/]>,
3869 RegConstraint<"$false = $Rd">;
3870 def MOVCCsr : ARMPseudoInst<(outs GPR:$Rd),
3871 (ins GPR:$false, so_reg_reg:$shift, pred:$p),
3873 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_reg_reg:$shift,
3874 imm:$cc, CCR:$ccr))*/]>,
3875 RegConstraint<"$false = $Rd">;
3878 let isMoveImm = 1 in
3879 def MOVCCi16 : ARMPseudoInst<(outs GPR:$Rd),
3880 (ins GPR:$false, imm0_65535_expr:$imm, pred:$p),
3883 RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>;
3885 let isMoveImm = 1 in
3886 def MOVCCi : ARMPseudoInst<(outs GPR:$Rd),
3887 (ins GPR:$false, so_imm:$imm, pred:$p),
3889 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm:$imm, imm:$cc, CCR:$ccr))*/]>,
3890 RegConstraint<"$false = $Rd">;
3892 // Two instruction predicate mov immediate.
3893 let isMoveImm = 1 in
3894 def MOVCCi32imm : ARMPseudoInst<(outs GPR:$Rd),
3895 (ins GPR:$false, i32imm:$src, pred:$p),
3896 8, IIC_iCMOVix2, []>, RegConstraint<"$false = $Rd">;
3898 let isMoveImm = 1 in
3899 def MVNCCi : ARMPseudoInst<(outs GPR:$Rd),
3900 (ins GPR:$false, so_imm:$imm, pred:$p),
3902 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm_not:$imm, imm:$cc, CCR:$ccr))*/]>,
3903 RegConstraint<"$false = $Rd">;
3904 } // neverHasSideEffects
3906 //===----------------------------------------------------------------------===//
3907 // Atomic operations intrinsics
3910 def MemBarrierOptOperand : AsmOperandClass {
3911 let Name = "MemBarrierOpt";
3912 let ParserMethod = "parseMemBarrierOptOperand";
3914 def memb_opt : Operand<i32> {
3915 let PrintMethod = "printMemBOption";
3916 let ParserMatchClass = MemBarrierOptOperand;
3917 let DecoderMethod = "DecodeMemBarrierOption";
3920 // memory barriers protect the atomic sequences
3921 let hasSideEffects = 1 in {
3922 def DMB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
3923 "dmb", "\t$opt", [(ARMMemBarrier (i32 imm:$opt))]>,
3924 Requires<[IsARM, HasDB]> {
3926 let Inst{31-4} = 0xf57ff05;
3927 let Inst{3-0} = opt;
3931 def DSB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
3932 "dsb", "\t$opt", []>,
3933 Requires<[IsARM, HasDB]> {
3935 let Inst{31-4} = 0xf57ff04;
3936 let Inst{3-0} = opt;
3939 // ISB has only full system option
3940 def ISB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
3941 "isb", "\t$opt", []>,
3942 Requires<[IsARM, HasDB]> {
3944 let Inst{31-4} = 0xf57ff06;
3945 let Inst{3-0} = opt;
3948 let usesCustomInserter = 1 in {
3949 let Uses = [CPSR] in {
3950 def ATOMIC_LOAD_ADD_I8 : PseudoInst<
3951 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3952 [(set GPR:$dst, (atomic_load_add_8 GPR:$ptr, GPR:$incr))]>;
3953 def ATOMIC_LOAD_SUB_I8 : PseudoInst<
3954 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3955 [(set GPR:$dst, (atomic_load_sub_8 GPR:$ptr, GPR:$incr))]>;
3956 def ATOMIC_LOAD_AND_I8 : PseudoInst<
3957 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3958 [(set GPR:$dst, (atomic_load_and_8 GPR:$ptr, GPR:$incr))]>;
3959 def ATOMIC_LOAD_OR_I8 : PseudoInst<
3960 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3961 [(set GPR:$dst, (atomic_load_or_8 GPR:$ptr, GPR:$incr))]>;
3962 def ATOMIC_LOAD_XOR_I8 : PseudoInst<
3963 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3964 [(set GPR:$dst, (atomic_load_xor_8 GPR:$ptr, GPR:$incr))]>;
3965 def ATOMIC_LOAD_NAND_I8 : PseudoInst<
3966 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3967 [(set GPR:$dst, (atomic_load_nand_8 GPR:$ptr, GPR:$incr))]>;
3968 def ATOMIC_LOAD_MIN_I8 : PseudoInst<
3969 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3970 [(set GPR:$dst, (atomic_load_min_8 GPR:$ptr, GPR:$val))]>;
3971 def ATOMIC_LOAD_MAX_I8 : PseudoInst<
3972 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3973 [(set GPR:$dst, (atomic_load_max_8 GPR:$ptr, GPR:$val))]>;
3974 def ATOMIC_LOAD_UMIN_I8 : PseudoInst<
3975 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3976 [(set GPR:$dst, (atomic_load_min_8 GPR:$ptr, GPR:$val))]>;
3977 def ATOMIC_LOAD_UMAX_I8 : PseudoInst<
3978 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3979 [(set GPR:$dst, (atomic_load_max_8 GPR:$ptr, GPR:$val))]>;
3980 def ATOMIC_LOAD_ADD_I16 : PseudoInst<
3981 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3982 [(set GPR:$dst, (atomic_load_add_16 GPR:$ptr, GPR:$incr))]>;
3983 def ATOMIC_LOAD_SUB_I16 : PseudoInst<
3984 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3985 [(set GPR:$dst, (atomic_load_sub_16 GPR:$ptr, GPR:$incr))]>;
3986 def ATOMIC_LOAD_AND_I16 : PseudoInst<
3987 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3988 [(set GPR:$dst, (atomic_load_and_16 GPR:$ptr, GPR:$incr))]>;
3989 def ATOMIC_LOAD_OR_I16 : PseudoInst<
3990 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3991 [(set GPR:$dst, (atomic_load_or_16 GPR:$ptr, GPR:$incr))]>;
3992 def ATOMIC_LOAD_XOR_I16 : PseudoInst<
3993 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3994 [(set GPR:$dst, (atomic_load_xor_16 GPR:$ptr, GPR:$incr))]>;
3995 def ATOMIC_LOAD_NAND_I16 : PseudoInst<
3996 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3997 [(set GPR:$dst, (atomic_load_nand_16 GPR:$ptr, GPR:$incr))]>;
3998 def ATOMIC_LOAD_MIN_I16 : PseudoInst<
3999 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4000 [(set GPR:$dst, (atomic_load_min_16 GPR:$ptr, GPR:$val))]>;
4001 def ATOMIC_LOAD_MAX_I16 : PseudoInst<
4002 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4003 [(set GPR:$dst, (atomic_load_max_16 GPR:$ptr, GPR:$val))]>;
4004 def ATOMIC_LOAD_UMIN_I16 : PseudoInst<
4005 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4006 [(set GPR:$dst, (atomic_load_min_16 GPR:$ptr, GPR:$val))]>;
4007 def ATOMIC_LOAD_UMAX_I16 : PseudoInst<
4008 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4009 [(set GPR:$dst, (atomic_load_max_16 GPR:$ptr, GPR:$val))]>;
4010 def ATOMIC_LOAD_ADD_I32 : PseudoInst<
4011 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4012 [(set GPR:$dst, (atomic_load_add_32 GPR:$ptr, GPR:$incr))]>;
4013 def ATOMIC_LOAD_SUB_I32 : PseudoInst<
4014 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4015 [(set GPR:$dst, (atomic_load_sub_32 GPR:$ptr, GPR:$incr))]>;
4016 def ATOMIC_LOAD_AND_I32 : PseudoInst<
4017 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4018 [(set GPR:$dst, (atomic_load_and_32 GPR:$ptr, GPR:$incr))]>;
4019 def ATOMIC_LOAD_OR_I32 : PseudoInst<
4020 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4021 [(set GPR:$dst, (atomic_load_or_32 GPR:$ptr, GPR:$incr))]>;
4022 def ATOMIC_LOAD_XOR_I32 : PseudoInst<
4023 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4024 [(set GPR:$dst, (atomic_load_xor_32 GPR:$ptr, GPR:$incr))]>;
4025 def ATOMIC_LOAD_NAND_I32 : PseudoInst<
4026 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4027 [(set GPR:$dst, (atomic_load_nand_32 GPR:$ptr, GPR:$incr))]>;
4028 def ATOMIC_LOAD_MIN_I32 : PseudoInst<
4029 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4030 [(set GPR:$dst, (atomic_load_min_32 GPR:$ptr, GPR:$val))]>;
4031 def ATOMIC_LOAD_MAX_I32 : PseudoInst<
4032 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4033 [(set GPR:$dst, (atomic_load_max_32 GPR:$ptr, GPR:$val))]>;
4034 def ATOMIC_LOAD_UMIN_I32 : PseudoInst<
4035 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4036 [(set GPR:$dst, (atomic_load_min_32 GPR:$ptr, GPR:$val))]>;
4037 def ATOMIC_LOAD_UMAX_I32 : PseudoInst<
4038 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4039 [(set GPR:$dst, (atomic_load_max_32 GPR:$ptr, GPR:$val))]>;
4041 def ATOMIC_SWAP_I8 : PseudoInst<
4042 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
4043 [(set GPR:$dst, (atomic_swap_8 GPR:$ptr, GPR:$new))]>;
4044 def ATOMIC_SWAP_I16 : PseudoInst<
4045 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
4046 [(set GPR:$dst, (atomic_swap_16 GPR:$ptr, GPR:$new))]>;
4047 def ATOMIC_SWAP_I32 : PseudoInst<
4048 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
4049 [(set GPR:$dst, (atomic_swap_32 GPR:$ptr, GPR:$new))]>;
4051 def ATOMIC_CMP_SWAP_I8 : PseudoInst<
4052 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
4053 [(set GPR:$dst, (atomic_cmp_swap_8 GPR:$ptr, GPR:$old, GPR:$new))]>;
4054 def ATOMIC_CMP_SWAP_I16 : PseudoInst<
4055 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
4056 [(set GPR:$dst, (atomic_cmp_swap_16 GPR:$ptr, GPR:$old, GPR:$new))]>;
4057 def ATOMIC_CMP_SWAP_I32 : PseudoInst<
4058 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
4059 [(set GPR:$dst, (atomic_cmp_swap_32 GPR:$ptr, GPR:$old, GPR:$new))]>;
4063 let mayLoad = 1 in {
4064 def LDREXB : AIldrex<0b10, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4066 "ldrexb", "\t$Rt, $addr", []>;
4067 def LDREXH : AIldrex<0b11, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4068 NoItinerary, "ldrexh", "\t$Rt, $addr", []>;
4069 def LDREX : AIldrex<0b00, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4070 NoItinerary, "ldrex", "\t$Rt, $addr", []>;
4071 let hasExtraDefRegAllocReq = 1 in
4072 def LDREXD: AIldrex<0b01, (outs GPR:$Rt, GPR:$Rt2),(ins addr_offset_none:$addr),
4073 NoItinerary, "ldrexd", "\t$Rt, $Rt2, $addr", []>;
4076 let mayStore = 1, Constraints = "@earlyclobber $Rd" in {
4077 def STREXB: AIstrex<0b10, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4078 NoItinerary, "strexb", "\t$Rd, $Rt, $addr", []>;
4079 def STREXH: AIstrex<0b11, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4080 NoItinerary, "strexh", "\t$Rd, $Rt, $addr", []>;
4081 def STREX : AIstrex<0b00, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4082 NoItinerary, "strex", "\t$Rd, $Rt, $addr", []>;
4085 let hasExtraSrcRegAllocReq = 1, Constraints = "@earlyclobber $Rd" in
4086 def STREXD : AIstrex<0b01, (outs GPR:$Rd),
4087 (ins GPR:$Rt, GPR:$Rt2, addr_offset_none:$addr),
4088 NoItinerary, "strexd", "\t$Rd, $Rt, $Rt2, $addr", []>;
4090 // Clear-Exclusive is for disassembly only.
4091 def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex",
4092 [/* For disassembly only; pattern left blank */]>,
4093 Requires<[IsARM, HasV7]> {
4094 let Inst{31-0} = 0b11110101011111111111000000011111;
4097 // SWP/SWPB are deprecated in V6/V7.
4098 let mayLoad = 1, mayStore = 1 in {
4099 def SWP : AIswp<0, (outs GPR:$Rt), (ins GPR:$Rt2, addr_offset_none:$addr),
4101 def SWPB: AIswp<1, (outs GPR:$Rt), (ins GPR:$Rt2, addr_offset_none:$addr),
4105 //===----------------------------------------------------------------------===//
4106 // Coprocessor Instructions.
4109 def CDP : ABI<0b1110, (outs), (ins p_imm:$cop, imm0_15:$opc1,
4110 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, imm0_7:$opc2),
4111 NoItinerary, "cdp", "\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
4112 [(int_arm_cdp imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
4113 imm:$CRm, imm:$opc2)]> {
4121 let Inst{3-0} = CRm;
4123 let Inst{7-5} = opc2;
4124 let Inst{11-8} = cop;
4125 let Inst{15-12} = CRd;
4126 let Inst{19-16} = CRn;
4127 let Inst{23-20} = opc1;
4130 def CDP2 : ABXI<0b1110, (outs), (ins p_imm:$cop, imm0_15:$opc1,
4131 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, imm0_7:$opc2),
4132 NoItinerary, "cdp2\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
4133 [(int_arm_cdp2 imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
4134 imm:$CRm, imm:$opc2)]> {
4135 let Inst{31-28} = 0b1111;
4143 let Inst{3-0} = CRm;
4145 let Inst{7-5} = opc2;
4146 let Inst{11-8} = cop;
4147 let Inst{15-12} = CRd;
4148 let Inst{19-16} = CRn;
4149 let Inst{23-20} = opc1;
4152 class ACI<dag oops, dag iops, string opc, string asm,
4153 IndexMode im = IndexModeNone>
4154 : InoP<oops, iops, AddrModeNone, 4, im, BrFrm, NoItinerary,
4156 let Inst{27-25} = 0b110;
4159 multiclass LdStCop<bits<4> op31_28, bit load, dag ops, string opc, string cond>{
4160 let DecoderNamespace = "Common" in {
4161 def _OFFSET : ACI<(outs),
4162 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
4163 !strconcat(opc, cond), "\tp$cop, cr$CRd, $addr"> {
4164 let Inst{31-28} = op31_28;
4165 let Inst{24} = 1; // P = 1
4166 let Inst{21} = 0; // W = 0
4167 let Inst{22} = 0; // D = 0
4168 let Inst{20} = load;
4169 let DecoderMethod = "DecodeCopMemInstruction";
4172 def _PRE : ACI<(outs),
4173 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
4174 !strconcat(opc, cond), "\tp$cop, cr$CRd, $addr!", IndexModePre> {
4175 let Inst{31-28} = op31_28;
4176 let Inst{24} = 1; // P = 1
4177 let Inst{21} = 1; // W = 1
4178 let Inst{22} = 0; // D = 0
4179 let Inst{20} = load;
4180 let DecoderMethod = "DecodeCopMemInstruction";
4183 def _POST : ACI<(outs),
4184 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
4185 !strconcat(opc, cond), "\tp$cop, cr$CRd, $addr", IndexModePost> {
4186 let Inst{31-28} = op31_28;
4187 let Inst{24} = 0; // P = 0
4188 let Inst{21} = 1; // W = 1
4189 let Inst{22} = 0; // D = 0
4190 let Inst{20} = load;
4191 let DecoderMethod = "DecodeCopMemInstruction";
4194 def _OPTION : ACI<(outs),
4195 !con((ins nohash_imm:$cop,nohash_imm:$CRd,GPR:$base, nohash_imm:$option),
4197 !strconcat(opc, cond), "\tp$cop, cr$CRd, [$base], \\{$option\\}"> {
4198 let Inst{31-28} = op31_28;
4199 let Inst{24} = 0; // P = 0
4200 let Inst{23} = 1; // U = 1
4201 let Inst{21} = 0; // W = 0
4202 let Inst{22} = 0; // D = 0
4203 let Inst{20} = load;
4204 let DecoderMethod = "DecodeCopMemInstruction";
4207 def L_OFFSET : ACI<(outs),
4208 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
4209 !strconcat(!strconcat(opc, "l"), cond), "\tp$cop, cr$CRd, $addr"> {
4210 let Inst{31-28} = op31_28;
4211 let Inst{24} = 1; // P = 1
4212 let Inst{21} = 0; // W = 0
4213 let Inst{22} = 1; // D = 1
4214 let Inst{20} = load;
4215 let DecoderMethod = "DecodeCopMemInstruction";
4218 def L_PRE : ACI<(outs),
4219 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
4220 !strconcat(!strconcat(opc, "l"), cond), "\tp$cop, cr$CRd, $addr!",
4222 let Inst{31-28} = op31_28;
4223 let Inst{24} = 1; // P = 1
4224 let Inst{21} = 1; // W = 1
4225 let Inst{22} = 1; // D = 1
4226 let Inst{20} = load;
4227 let DecoderMethod = "DecodeCopMemInstruction";
4230 def L_POST : ACI<(outs),
4231 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addr_offset_none:$addr,
4232 postidx_imm8s4:$offset), ops),
4233 !strconcat(!strconcat(opc, "l"), cond), "\tp$cop, cr$CRd, $addr, $offset",
4235 let Inst{31-28} = op31_28;
4236 let Inst{24} = 0; // P = 0
4237 let Inst{21} = 1; // W = 1
4238 let Inst{22} = 1; // D = 1
4239 let Inst{20} = load;
4240 let DecoderMethod = "DecodeCopMemInstruction";
4243 def L_OPTION : ACI<(outs),
4244 !con((ins nohash_imm:$cop, nohash_imm:$CRd,GPR:$base,nohash_imm:$option),
4246 !strconcat(!strconcat(opc, "l"), cond),
4247 "\tp$cop, cr$CRd, [$base], \\{$option\\}"> {
4248 let Inst{31-28} = op31_28;
4249 let Inst{24} = 0; // P = 0
4250 let Inst{23} = 1; // U = 1
4251 let Inst{21} = 0; // W = 0
4252 let Inst{22} = 1; // D = 1
4253 let Inst{20} = load;
4254 let DecoderMethod = "DecodeCopMemInstruction";
4259 defm LDC : LdStCop<{?,?,?,?}, 1, (ins pred:$p), "ldc", "${p}">;
4260 defm LDC2 : LdStCop<0b1111, 1, (ins), "ldc2", "">;
4261 defm STC : LdStCop<{?,?,?,?}, 0, (ins pred:$p), "stc", "${p}">;
4262 defm STC2 : LdStCop<0b1111, 0, (ins), "stc2", "">;
4264 //===----------------------------------------------------------------------===//
4265 // Move between coprocessor and ARM core register -- for disassembly only
4268 class MovRCopro<string opc, bit direction, dag oops, dag iops,
4270 : ABI<0b1110, oops, iops, NoItinerary, opc,
4271 "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2", pattern> {
4272 let Inst{20} = direction;
4282 let Inst{15-12} = Rt;
4283 let Inst{11-8} = cop;
4284 let Inst{23-21} = opc1;
4285 let Inst{7-5} = opc2;
4286 let Inst{3-0} = CRm;
4287 let Inst{19-16} = CRn;
4290 def MCR : MovRCopro<"mcr", 0 /* from ARM core register to coprocessor */,
4292 (ins p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
4293 c_imm:$CRm, imm0_7:$opc2),
4294 [(int_arm_mcr imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
4295 imm:$CRm, imm:$opc2)]>;
4296 def MRC : MovRCopro<"mrc", 1 /* from coprocessor to ARM core register */,
4298 (ins p_imm:$cop, imm0_7:$opc1, c_imm:$CRn, c_imm:$CRm,
4301 def : ARMPat<(int_arm_mrc imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2),
4302 (MRC imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
4304 class MovRCopro2<string opc, bit direction, dag oops, dag iops,
4306 : ABXI<0b1110, oops, iops, NoItinerary,
4307 !strconcat(opc, "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2"), pattern> {
4308 let Inst{31-28} = 0b1111;
4309 let Inst{20} = direction;
4319 let Inst{15-12} = Rt;
4320 let Inst{11-8} = cop;
4321 let Inst{23-21} = opc1;
4322 let Inst{7-5} = opc2;
4323 let Inst{3-0} = CRm;
4324 let Inst{19-16} = CRn;
4327 def MCR2 : MovRCopro2<"mcr2", 0 /* from ARM core register to coprocessor */,
4329 (ins p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
4330 c_imm:$CRm, imm0_7:$opc2),
4331 [(int_arm_mcr2 imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
4332 imm:$CRm, imm:$opc2)]>;
4333 def MRC2 : MovRCopro2<"mrc2", 1 /* from coprocessor to ARM core register */,
4335 (ins p_imm:$cop, imm0_7:$opc1, c_imm:$CRn, c_imm:$CRm,
4338 def : ARMV5TPat<(int_arm_mrc2 imm:$cop, imm:$opc1, imm:$CRn,
4339 imm:$CRm, imm:$opc2),
4340 (MRC2 imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
4342 class MovRRCopro<string opc, bit direction,
4343 list<dag> pattern = [/* For disassembly only */]>
4344 : ABI<0b1100, (outs), (ins p_imm:$cop, imm0_15:$opc1,
4345 GPR:$Rt, GPR:$Rt2, c_imm:$CRm),
4346 NoItinerary, opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm", pattern> {
4347 let Inst{23-21} = 0b010;
4348 let Inst{20} = direction;
4356 let Inst{15-12} = Rt;
4357 let Inst{19-16} = Rt2;
4358 let Inst{11-8} = cop;
4359 let Inst{7-4} = opc1;
4360 let Inst{3-0} = CRm;
4363 def MCRR : MovRRCopro<"mcrr", 0 /* from ARM core register to coprocessor */,
4364 [(int_arm_mcrr imm:$cop, imm:$opc1, GPR:$Rt, GPR:$Rt2,
4366 def MRRC : MovRRCopro<"mrrc", 1 /* from coprocessor to ARM core register */>;
4368 class MovRRCopro2<string opc, bit direction,
4369 list<dag> pattern = [/* For disassembly only */]>
4370 : ABXI<0b1100, (outs), (ins p_imm:$cop, imm0_15:$opc1,
4371 GPR:$Rt, GPR:$Rt2, c_imm:$CRm), NoItinerary,
4372 !strconcat(opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm"), pattern> {
4373 let Inst{31-28} = 0b1111;
4374 let Inst{23-21} = 0b010;
4375 let Inst{20} = direction;
4383 let Inst{15-12} = Rt;
4384 let Inst{19-16} = Rt2;
4385 let Inst{11-8} = cop;
4386 let Inst{7-4} = opc1;
4387 let Inst{3-0} = CRm;
4390 def MCRR2 : MovRRCopro2<"mcrr2", 0 /* from ARM core register to coprocessor */,
4391 [(int_arm_mcrr2 imm:$cop, imm:$opc1, GPR:$Rt, GPR:$Rt2,
4393 def MRRC2 : MovRRCopro2<"mrrc2", 1 /* from coprocessor to ARM core register */>;
4395 //===----------------------------------------------------------------------===//
4396 // Move between special register and ARM core register
4399 // Move to ARM core register from Special Register
4400 def MRS : ABI<0b0001, (outs GPR:$Rd), (ins), NoItinerary,
4401 "mrs", "\t$Rd, apsr", []> {
4403 let Inst{23-16} = 0b00001111;
4404 let Inst{15-12} = Rd;
4405 let Inst{7-4} = 0b0000;
4408 def : InstAlias<"mrs${p} $Rd, cpsr", (MRS GPR:$Rd, pred:$p)>, Requires<[IsARM]>;
4410 def MRSsys : ABI<0b0001, (outs GPR:$Rd), (ins), NoItinerary,
4411 "mrs", "\t$Rd, spsr", []> {
4413 let Inst{23-16} = 0b01001111;
4414 let Inst{15-12} = Rd;
4415 let Inst{7-4} = 0b0000;
4418 // Move from ARM core register to Special Register
4420 // No need to have both system and application versions, the encodings are the
4421 // same and the assembly parser has no way to distinguish between them. The mask
4422 // operand contains the special register (R Bit) in bit 4 and bits 3-0 contains
4423 // the mask with the fields to be accessed in the special register.
4424 def MSR : ABI<0b0001, (outs), (ins msr_mask:$mask, GPR:$Rn), NoItinerary,
4425 "msr", "\t$mask, $Rn", []> {
4430 let Inst{22} = mask{4}; // R bit
4431 let Inst{21-20} = 0b10;
4432 let Inst{19-16} = mask{3-0};
4433 let Inst{15-12} = 0b1111;
4434 let Inst{11-4} = 0b00000000;
4438 def MSRi : ABI<0b0011, (outs), (ins msr_mask:$mask, so_imm:$a), NoItinerary,
4439 "msr", "\t$mask, $a", []> {
4444 let Inst{22} = mask{4}; // R bit
4445 let Inst{21-20} = 0b10;
4446 let Inst{19-16} = mask{3-0};
4447 let Inst{15-12} = 0b1111;
4451 //===----------------------------------------------------------------------===//
4455 // __aeabi_read_tp preserves the registers r1-r3.
4456 // This is a pseudo inst so that we can get the encoding right,
4457 // complete with fixup for the aeabi_read_tp function.
4459 Defs = [R0, R12, LR, CPSR], Uses = [SP] in {
4460 def TPsoft : PseudoInst<(outs), (ins), IIC_Br,
4461 [(set R0, ARMthread_pointer)]>;
4464 //===----------------------------------------------------------------------===//
4465 // SJLJ Exception handling intrinsics
4466 // eh_sjlj_setjmp() is an instruction sequence to store the return
4467 // address and save #0 in R0 for the non-longjmp case.
4468 // Since by its nature we may be coming from some other function to get
4469 // here, and we're using the stack frame for the containing function to
4470 // save/restore registers, we can't keep anything live in regs across
4471 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
4472 // when we get here from a longjmp(). We force everything out of registers
4473 // except for our own input by listing the relevant registers in Defs. By
4474 // doing so, we also cause the prologue/epilogue code to actively preserve
4475 // all of the callee-saved resgisters, which is exactly what we want.
4476 // A constant value is passed in $val, and we use the location as a scratch.
4478 // These are pseudo-instructions and are lowered to individual MC-insts, so
4479 // no encoding information is necessary.
4481 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR,
4482 QQQQ0, QQQQ1, QQQQ2, QQQQ3 ], hasSideEffects = 1, isBarrier = 1 in {
4483 def Int_eh_sjlj_setjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
4485 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
4486 Requires<[IsARM, HasVFP2]>;
4490 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR ],
4491 hasSideEffects = 1, isBarrier = 1 in {
4492 def Int_eh_sjlj_setjmp_nofp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
4494 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
4495 Requires<[IsARM, NoVFP]>;
4498 // FIXME: Non-Darwin version(s)
4499 let isBarrier = 1, hasSideEffects = 1, isTerminator = 1,
4500 Defs = [ R7, LR, SP ] in {
4501 def Int_eh_sjlj_longjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$scratch),
4503 [(ARMeh_sjlj_longjmp GPR:$src, GPR:$scratch)]>,
4504 Requires<[IsARM, IsDarwin]>;
4507 // eh.sjlj.dispatchsetup pseudo-instruction.
4508 // This pseudo is used for ARM, Thumb1 and Thumb2. Any differences are
4509 // handled when the pseudo is expanded (which happens before any passes
4510 // that need the instruction size).
4511 let isBarrier = 1, hasSideEffects = 1 in
4512 def Int_eh_sjlj_dispatchsetup :
4513 PseudoInst<(outs), (ins GPR:$src), NoItinerary,
4514 [(ARMeh_sjlj_dispatchsetup GPR:$src)]>,
4515 Requires<[IsDarwin]>;
4517 //===----------------------------------------------------------------------===//
4518 // Non-Instruction Patterns
4521 // ARMv4 indirect branch using (MOVr PC, dst)
4522 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in
4523 def MOVPCRX : ARMPseudoExpand<(outs), (ins GPR:$dst),
4524 4, IIC_Br, [(brind GPR:$dst)],
4525 (MOVr PC, GPR:$dst, (ops 14, zero_reg), zero_reg)>,
4526 Requires<[IsARM, NoV4T]>;
4528 // Large immediate handling.
4530 // 32-bit immediate using two piece so_imms or movw + movt.
4531 // This is a single pseudo instruction, the benefit is that it can be remat'd
4532 // as a single unit instead of having to handle reg inputs.
4533 // FIXME: Remove this when we can do generalized remat.
4534 let isReMaterializable = 1, isMoveImm = 1 in
4535 def MOVi32imm : PseudoInst<(outs GPR:$dst), (ins i32imm:$src), IIC_iMOVix2,
4536 [(set GPR:$dst, (arm_i32imm:$src))]>,
4539 // Pseudo instruction that combines movw + movt + add pc (if PIC).
4540 // It also makes it possible to rematerialize the instructions.
4541 // FIXME: Remove this when we can do generalized remat and when machine licm
4542 // can properly the instructions.
4543 let isReMaterializable = 1 in {
4544 def MOV_ga_pcrel : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
4546 [(set GPR:$dst, (ARMWrapperPIC tglobaladdr:$addr))]>,
4547 Requires<[IsARM, UseMovt]>;
4549 def MOV_ga_dyn : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
4551 [(set GPR:$dst, (ARMWrapperDYN tglobaladdr:$addr))]>,
4552 Requires<[IsARM, UseMovt]>;
4554 let AddedComplexity = 10 in
4555 def MOV_ga_pcrel_ldr : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
4557 [(set GPR:$dst, (load (ARMWrapperPIC tglobaladdr:$addr)))]>,
4558 Requires<[IsARM, UseMovt]>;
4559 } // isReMaterializable
4561 // ConstantPool, GlobalAddress, and JumpTable
4562 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>,
4563 Requires<[IsARM, DontUseMovt]>;
4564 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
4565 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
4566 Requires<[IsARM, UseMovt]>;
4567 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
4568 (LEApcrelJT tjumptable:$dst, imm:$id)>;
4570 // TODO: add,sub,and, 3-instr forms?
4573 def : ARMPat<(ARMtcret tcGPR:$dst),
4574 (TCRETURNri tcGPR:$dst)>, Requires<[IsDarwin]>;
4576 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
4577 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
4579 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
4580 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
4582 def : ARMPat<(ARMtcret tcGPR:$dst),
4583 (TCRETURNriND tcGPR:$dst)>, Requires<[IsNotDarwin]>;
4585 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
4586 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
4588 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
4589 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
4592 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>,
4593 Requires<[IsARM, IsNotDarwin]>;
4594 def : ARMPat<(ARMcall texternalsym:$func), (BLr9 texternalsym:$func)>,
4595 Requires<[IsARM, IsDarwin]>;
4597 // zextload i1 -> zextload i8
4598 def : ARMPat<(zextloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
4599 def : ARMPat<(zextloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
4601 // extload -> zextload
4602 def : ARMPat<(extloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
4603 def : ARMPat<(extloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
4604 def : ARMPat<(extloadi8 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
4605 def : ARMPat<(extloadi8 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
4607 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
4609 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
4610 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
4613 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
4614 (sra (shl GPR:$b, (i32 16)), (i32 16))),
4615 (SMULBB GPR:$a, GPR:$b)>;
4616 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
4617 (SMULBB GPR:$a, GPR:$b)>;
4618 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
4619 (sra GPR:$b, (i32 16))),
4620 (SMULBT GPR:$a, GPR:$b)>;
4621 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
4622 (SMULBT GPR:$a, GPR:$b)>;
4623 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
4624 (sra (shl GPR:$b, (i32 16)), (i32 16))),
4625 (SMULTB GPR:$a, GPR:$b)>;
4626 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
4627 (SMULTB GPR:$a, GPR:$b)>;
4628 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
4630 (SMULWB GPR:$a, GPR:$b)>;
4631 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
4632 (SMULWB GPR:$a, GPR:$b)>;
4634 def : ARMV5TEPat<(add GPR:$acc,
4635 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
4636 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
4637 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
4638 def : ARMV5TEPat<(add GPR:$acc,
4639 (mul sext_16_node:$a, sext_16_node:$b)),
4640 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
4641 def : ARMV5TEPat<(add GPR:$acc,
4642 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
4643 (sra GPR:$b, (i32 16)))),
4644 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
4645 def : ARMV5TEPat<(add GPR:$acc,
4646 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
4647 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
4648 def : ARMV5TEPat<(add GPR:$acc,
4649 (mul (sra GPR:$a, (i32 16)),
4650 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
4651 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
4652 def : ARMV5TEPat<(add GPR:$acc,
4653 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
4654 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
4655 def : ARMV5TEPat<(add GPR:$acc,
4656 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
4658 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
4659 def : ARMV5TEPat<(add GPR:$acc,
4660 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
4661 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
4664 // Pre-v7 uses MCR for synchronization barriers.
4665 def : ARMPat<(ARMMemBarrierMCR GPR:$zero), (MCR 15, 0, GPR:$zero, 7, 10, 5)>,
4666 Requires<[IsARM, HasV6]>;
4668 // SXT/UXT with no rotate
4669 let AddedComplexity = 16 in {
4670 def : ARMV6Pat<(and GPR:$Src, 0x000000FF), (UXTB GPR:$Src, 0)>;
4671 def : ARMV6Pat<(and GPR:$Src, 0x0000FFFF), (UXTH GPR:$Src, 0)>;
4672 def : ARMV6Pat<(and GPR:$Src, 0x00FF00FF), (UXTB16 GPR:$Src, 0)>;
4673 def : ARMV6Pat<(add GPR:$Rn, (and GPR:$Rm, 0x00FF)),
4674 (UXTAB GPR:$Rn, GPR:$Rm, 0)>;
4675 def : ARMV6Pat<(add GPR:$Rn, (and GPR:$Rm, 0xFFFF)),
4676 (UXTAH GPR:$Rn, GPR:$Rm, 0)>;
4679 def : ARMV6Pat<(sext_inreg GPR:$Src, i8), (SXTB GPR:$Src, 0)>;
4680 def : ARMV6Pat<(sext_inreg GPR:$Src, i16), (SXTH GPR:$Src, 0)>;
4682 def : ARMV6Pat<(add GPR:$Rn, (sext_inreg GPRnopc:$Rm, i8)),
4683 (SXTAB GPR:$Rn, GPRnopc:$Rm, 0)>;
4684 def : ARMV6Pat<(add GPR:$Rn, (sext_inreg GPRnopc:$Rm, i16)),
4685 (SXTAH GPR:$Rn, GPRnopc:$Rm, 0)>;
4687 //===----------------------------------------------------------------------===//
4691 include "ARMInstrThumb.td"
4693 //===----------------------------------------------------------------------===//
4697 include "ARMInstrThumb2.td"
4699 //===----------------------------------------------------------------------===//
4700 // Floating Point Support
4703 include "ARMInstrVFP.td"
4705 //===----------------------------------------------------------------------===//
4706 // Advanced SIMD (NEON) Support
4709 include "ARMInstrNEON.td"
4711 //===----------------------------------------------------------------------===//
4712 // Assembler aliases
4716 def : InstAlias<"dmb", (DMB 0xf)>, Requires<[IsARM, HasDB]>;
4717 def : InstAlias<"dsb", (DSB 0xf)>, Requires<[IsARM, HasDB]>;
4718 def : InstAlias<"isb", (ISB 0xf)>, Requires<[IsARM, HasDB]>;
4720 // System instructions
4721 def : MnemonicAlias<"swi", "svc">;
4723 // Load / Store Multiple
4724 def : MnemonicAlias<"ldmfd", "ldm">;
4725 def : MnemonicAlias<"ldmia", "ldm">;
4726 def : MnemonicAlias<"stmfd", "stmdb">;
4727 def : MnemonicAlias<"stmia", "stm">;
4728 def : MnemonicAlias<"stmea", "stm">;
4730 // PKHBT/PKHTB with default shift amount. PKHTB is equivalent to PKHBT when the
4731 // shift amount is zero (i.e., unspecified).
4732 def : InstAlias<"pkhbt${p} $Rd, $Rn, $Rm",
4733 (PKHBT GPR:$Rd, GPR:$Rn, GPR:$Rm, 0, pred:$p)>;
4734 def : InstAlias<"pkhtb${p} $Rd, $Rn, $Rm",
4735 (PKHBT GPR:$Rd, GPR:$Rn, GPR:$Rm, 0, pred:$p)>;
4737 // PUSH/POP aliases for STM/LDM
4738 def : InstAlias<"push${p} $regs",
4739 (STMDB_UPD SP, pred:$p, reglist:$regs)>;
4740 def : InstAlias<"pop${p} $regs",
4741 (LDMIA_UPD SP, pred:$p, reglist:$regs)>;
4743 // RSB two-operand forms (optional explicit destination operand)
4744 def : InstAlias<"rsb${s}${p} $Rdn, $imm",
4745 (RSBri GPR:$Rdn, GPR:$Rdn, so_imm:$imm, pred:$p, cc_out:$s)>,
4747 def : InstAlias<"rsb${s}${p} $Rdn, $Rm",
4748 (RSBrr GPR:$Rdn, GPR:$Rdn, GPR:$Rm, pred:$p, cc_out:$s)>,
4750 def : InstAlias<"rsb${s}${p} $Rdn, $shift",
4751 (RSBrsi GPR:$Rdn, GPR:$Rdn, so_reg_imm:$shift, pred:$p,
4752 cc_out:$s)>, Requires<[IsARM]>;
4753 def : InstAlias<"rsb${s}${p} $Rdn, $shift",
4754 (RSBrsr GPR:$Rdn, GPR:$Rdn, so_reg_reg:$shift, pred:$p,
4755 cc_out:$s)>, Requires<[IsARM]>;
4756 // RSC two-operand forms (optional explicit destination operand)
4757 def : InstAlias<"rsc${s}${p} $Rdn, $imm",
4758 (RSCri GPR:$Rdn, GPR:$Rdn, so_imm:$imm, pred:$p, cc_out:$s)>,
4760 def : InstAlias<"rsc${s}${p} $Rdn, $Rm",
4761 (RSCrr GPR:$Rdn, GPR:$Rdn, GPR:$Rm, pred:$p, cc_out:$s)>,
4763 def : InstAlias<"rsc${s}${p} $Rdn, $shift",
4764 (RSCrsi GPR:$Rdn, GPR:$Rdn, so_reg_imm:$shift, pred:$p,
4765 cc_out:$s)>, Requires<[IsARM]>;
4766 def : InstAlias<"rsc${s}${p} $Rdn, $shift",
4767 (RSCrsr GPR:$Rdn, GPR:$Rdn, so_reg_reg:$shift, pred:$p,
4768 cc_out:$s)>, Requires<[IsARM]>;
4770 // SSAT/USAT optional shift operand.
4771 def : InstAlias<"ssat${p} $Rd, $sat_imm, $Rn",
4772 (SSAT GPRnopc:$Rd, imm1_32:$sat_imm, GPRnopc:$Rn, 0, pred:$p)>;
4773 def : InstAlias<"usat${p} $Rd, $sat_imm, $Rn",
4774 (USAT GPRnopc:$Rd, imm0_31:$sat_imm, GPRnopc:$Rn, 0, pred:$p)>;
4777 // Extend instruction optional rotate operand.
4778 def : InstAlias<"sxtab${p} $Rd, $Rn, $Rm",
4779 (SXTAB GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
4780 def : InstAlias<"sxtah${p} $Rd, $Rn, $Rm",
4781 (SXTAH GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
4782 def : InstAlias<"sxtab16${p} $Rd, $Rn, $Rm",
4783 (SXTAB16 GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
4784 def : InstAlias<"sxtb${p} $Rd, $Rm",
4785 (SXTB GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
4786 def : InstAlias<"sxtb16${p} $Rd, $Rm",
4787 (SXTB16 GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
4788 def : InstAlias<"sxth${p} $Rd, $Rm",
4789 (SXTH GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
4791 def : InstAlias<"uxtab${p} $Rd, $Rn, $Rm",
4792 (UXTAB GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
4793 def : InstAlias<"uxtah${p} $Rd, $Rn, $Rm",
4794 (UXTAH GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
4795 def : InstAlias<"uxtab16${p} $Rd, $Rn, $Rm",
4796 (UXTAB16 GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
4797 def : InstAlias<"uxtb${p} $Rd, $Rm",
4798 (UXTB GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
4799 def : InstAlias<"uxtb16${p} $Rd, $Rm",
4800 (UXTB16 GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
4801 def : InstAlias<"uxth${p} $Rd, $Rm",
4802 (UXTH GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
4806 def : MnemonicAlias<"rfefa", "rfeda">;
4807 def : MnemonicAlias<"rfeea", "rfedb">;
4808 def : MnemonicAlias<"rfefd", "rfeia">;
4809 def : MnemonicAlias<"rfeed", "rfeib">;
4810 def : MnemonicAlias<"rfe", "rfeia">;
4813 def : MnemonicAlias<"srsfa", "srsda">;
4814 def : MnemonicAlias<"srsea", "srsdb">;
4815 def : MnemonicAlias<"srsfd", "srsia">;
4816 def : MnemonicAlias<"srsed", "srsib">;
4817 def : MnemonicAlias<"srs", "srsia">;
4819 // LDRSBT/LDRHT/LDRSHT post-index offset if optional.
4820 // Note that the write-back output register is a dummy operand for MC (it's
4821 // only meaningful for codegen), so we just pass zero here.
4822 // FIXME: tblgen not cooperating with argument conversions.
4823 //def : InstAlias<"ldrsbt${p} $Rt, $addr",
4824 // (LDRSBTi GPR:$Rt, GPR:$Rt, addr_offset_none:$addr, 0,pred:$p)>;
4825 //def : InstAlias<"ldrht${p} $Rt, $addr",
4826 // (LDRHTi GPR:$Rt, GPR:$Rt, addr_offset_none:$addr, 0, pred:$p)>;
4827 //def : InstAlias<"ldrsht${p} $Rt, $addr",
4828 // (LDRSHTi GPR:$Rt, GPR:$Rt, addr_offset_none:$addr, 0, pred:$p)>;