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";
320 // FIXME: get rid of this one?
321 def uncondbrtarget : Operand<OtherVT> {
322 let EncoderMethod = "getUnconditionalBranchTargetOpValue";
323 let OperandType = "OPERAND_PCREL";
326 // Branch target for ARM. Handles conditional/unconditional
327 def br_target : Operand<OtherVT> {
328 let EncoderMethod = "getARMBranchTargetOpValue";
329 let OperandType = "OPERAND_PCREL";
333 // FIXME: rename bltarget to t2_bl_target?
334 def bltarget : Operand<i32> {
335 // Encoded the same as branch targets.
336 let EncoderMethod = "getBranchTargetOpValue";
337 let OperandType = "OPERAND_PCREL";
340 // Call target for ARM. Handles conditional/unconditional
341 // FIXME: rename bl_target to t2_bltarget?
342 def bl_target : Operand<i32> {
343 // Encoded the same as branch targets.
344 let EncoderMethod = "getARMBranchTargetOpValue";
345 let OperandType = "OPERAND_PCREL";
349 // A list of registers separated by comma. Used by load/store multiple.
350 def RegListAsmOperand : AsmOperandClass { let Name = "RegList"; }
351 def reglist : Operand<i32> {
352 let EncoderMethod = "getRegisterListOpValue";
353 let ParserMatchClass = RegListAsmOperand;
354 let PrintMethod = "printRegisterList";
357 def DPRRegListAsmOperand : AsmOperandClass { let Name = "DPRRegList"; }
358 def dpr_reglist : Operand<i32> {
359 let EncoderMethod = "getRegisterListOpValue";
360 let ParserMatchClass = DPRRegListAsmOperand;
361 let PrintMethod = "printRegisterList";
364 def SPRRegListAsmOperand : AsmOperandClass { let Name = "SPRRegList"; }
365 def spr_reglist : Operand<i32> {
366 let EncoderMethod = "getRegisterListOpValue";
367 let ParserMatchClass = SPRRegListAsmOperand;
368 let PrintMethod = "printRegisterList";
371 // An operand for the CONSTPOOL_ENTRY pseudo-instruction.
372 def cpinst_operand : Operand<i32> {
373 let PrintMethod = "printCPInstOperand";
377 def pclabel : Operand<i32> {
378 let PrintMethod = "printPCLabel";
381 // ADR instruction labels.
382 def adrlabel : Operand<i32> {
383 let EncoderMethod = "getAdrLabelOpValue";
386 def neon_vcvt_imm32 : Operand<i32> {
387 let EncoderMethod = "getNEONVcvtImm32OpValue";
390 // rot_imm: An integer that encodes a rotate amount. Must be 8, 16, or 24.
391 def rot_imm_XFORM: SDNodeXForm<imm, [{
392 switch (N->getZExtValue()){
394 case 0: return CurDAG->getTargetConstant(0, MVT::i32);
395 case 8: return CurDAG->getTargetConstant(1, MVT::i32);
396 case 16: return CurDAG->getTargetConstant(2, MVT::i32);
397 case 24: return CurDAG->getTargetConstant(3, MVT::i32);
400 def RotImmAsmOperand : AsmOperandClass {
402 let ParserMethod = "parseRotImm";
404 def rot_imm : Operand<i32>, PatLeaf<(i32 imm), [{
405 int32_t v = N->getZExtValue();
406 return v == 8 || v == 16 || v == 24; }],
408 let PrintMethod = "printRotImmOperand";
409 let ParserMatchClass = RotImmAsmOperand;
412 // shift_imm: An integer that encodes a shift amount and the type of shift
413 // (asr or lsl). The 6-bit immediate encodes as:
416 // {4-0} imm5 shift amount.
417 // asr #32 encoded as imm5 == 0.
418 def ShifterImmAsmOperand : AsmOperandClass {
419 let Name = "ShifterImm";
420 let ParserMethod = "parseShifterImm";
422 def shift_imm : Operand<i32> {
423 let PrintMethod = "printShiftImmOperand";
424 let ParserMatchClass = ShifterImmAsmOperand;
427 // shifter_operand operands: so_reg_reg, so_reg_imm, and so_imm.
428 def ShiftedRegAsmOperand : AsmOperandClass { let Name = "RegShiftedReg"; }
429 def so_reg_reg : Operand<i32>, // reg reg imm
430 ComplexPattern<i32, 3, "SelectRegShifterOperand",
431 [shl, srl, sra, rotr]> {
432 let EncoderMethod = "getSORegRegOpValue";
433 let PrintMethod = "printSORegRegOperand";
434 let ParserMatchClass = ShiftedRegAsmOperand;
435 let MIOperandInfo = (ops GPR, GPR, i32imm);
438 def ShiftedImmAsmOperand : AsmOperandClass { let Name = "RegShiftedImm"; }
439 def so_reg_imm : Operand<i32>, // reg imm
440 ComplexPattern<i32, 2, "SelectImmShifterOperand",
441 [shl, srl, sra, rotr]> {
442 let EncoderMethod = "getSORegImmOpValue";
443 let PrintMethod = "printSORegImmOperand";
444 let ParserMatchClass = ShiftedImmAsmOperand;
445 let MIOperandInfo = (ops GPR, i32imm);
448 // FIXME: Does this need to be distinct from so_reg?
449 def shift_so_reg_reg : Operand<i32>, // reg reg imm
450 ComplexPattern<i32, 3, "SelectShiftRegShifterOperand",
451 [shl,srl,sra,rotr]> {
452 let EncoderMethod = "getSORegRegOpValue";
453 let PrintMethod = "printSORegRegOperand";
454 let MIOperandInfo = (ops GPR, GPR, i32imm);
457 // FIXME: Does this need to be distinct from so_reg?
458 def shift_so_reg_imm : Operand<i32>, // reg reg imm
459 ComplexPattern<i32, 2, "SelectShiftImmShifterOperand",
460 [shl,srl,sra,rotr]> {
461 let EncoderMethod = "getSORegImmOpValue";
462 let PrintMethod = "printSORegImmOperand";
463 let MIOperandInfo = (ops GPR, i32imm);
467 // so_imm - Match a 32-bit shifter_operand immediate operand, which is an
468 // 8-bit immediate rotated by an arbitrary number of bits.
469 def SOImmAsmOperand: AsmOperandClass { let Name = "ARMSOImm"; }
470 def so_imm : Operand<i32>, ImmLeaf<i32, [{
471 return ARM_AM::getSOImmVal(Imm) != -1;
473 let EncoderMethod = "getSOImmOpValue";
474 let ParserMatchClass = SOImmAsmOperand;
477 // Break so_imm's up into two pieces. This handles immediates with up to 16
478 // bits set in them. This uses so_imm2part to match and so_imm2part_[12] to
479 // get the first/second pieces.
480 def so_imm2part : PatLeaf<(imm), [{
481 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
484 /// arm_i32imm - True for +V6T2, or true only if so_imm2part is true.
486 def arm_i32imm : PatLeaf<(imm), [{
487 if (Subtarget->hasV6T2Ops())
489 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
492 /// imm0_7 predicate - Immediate in the range [0,31].
493 def Imm0_7AsmOperand: AsmOperandClass { let Name = "Imm0_7"; }
494 def imm0_7 : Operand<i32>, ImmLeaf<i32, [{
495 return Imm >= 0 && Imm < 8;
497 let ParserMatchClass = Imm0_7AsmOperand;
500 /// imm0_15 predicate - Immediate in the range [0,31].
501 def Imm0_15AsmOperand: AsmOperandClass { let Name = "Imm0_15"; }
502 def imm0_15 : Operand<i32>, ImmLeaf<i32, [{
503 return Imm >= 0 && Imm < 16;
505 let ParserMatchClass = Imm0_15AsmOperand;
508 /// imm0_31 predicate - True if the 32-bit immediate is in the range [0,31].
509 def Imm0_31AsmOperand: AsmOperandClass { let Name = "Imm0_31"; }
510 def imm0_31 : Operand<i32>, ImmLeaf<i32, [{
511 return Imm >= 0 && Imm < 32;
513 let ParserMatchClass = Imm0_31AsmOperand;
516 // imm0_65535_expr - For movt/movw - 16-bit immediate that can also reference
517 // a relocatable expression.
519 // FIXME: This really needs a Thumb version separate from the ARM version.
520 // While the range is the same, and can thus use the same match class,
521 // the encoding is different so it should have a different encoder method.
522 def Imm0_65535ExprAsmOperand: AsmOperandClass { let Name = "Imm0_65535Expr"; }
523 def imm0_65535_expr : Operand<i32> {
524 let EncoderMethod = "getHiLo16ImmOpValue";
525 let ParserMatchClass = Imm0_65535ExprAsmOperand;
528 /// imm24b - True if the 32-bit immediate is encodable in 24 bits.
529 def Imm24bitAsmOperand: AsmOperandClass { let Name = "Imm24bit"; }
530 def imm24b : Operand<i32>, ImmLeaf<i32, [{
531 return Imm >= 0 && Imm <= 0xffffff;
533 let ParserMatchClass = Imm24bitAsmOperand;
537 /// bf_inv_mask_imm predicate - An AND mask to clear an arbitrary width bitfield
539 def bf_inv_mask_imm : Operand<i32>,
541 return ARM::isBitFieldInvertedMask(N->getZExtValue());
543 let EncoderMethod = "getBitfieldInvertedMaskOpValue";
544 let PrintMethod = "printBitfieldInvMaskImmOperand";
547 /// lsb_pos_imm - position of the lsb bit, used by BFI4p and t2BFI4p
548 def lsb_pos_imm : Operand<i32>, ImmLeaf<i32, [{
549 return isInt<5>(Imm);
552 /// width_imm - number of bits to be copied, used by BFI4p and t2BFI4p
553 def width_imm : Operand<i32>, ImmLeaf<i32, [{
554 return Imm > 0 && Imm <= 32;
556 let EncoderMethod = "getMsbOpValue";
559 def imm1_32_XFORM: SDNodeXForm<imm, [{
560 return CurDAG->getTargetConstant((int)N->getZExtValue() - 1, MVT::i32);
562 def Imm1_32AsmOperand: AsmOperandClass { let Name = "Imm1_32"; }
563 def imm1_32 : Operand<i32>, PatLeaf<(imm), [{ return Imm > 0 && Imm <= 32; }],
565 let PrintMethod = "printImmPlusOneOperand";
566 let ParserMatchClass = Imm1_32AsmOperand;
569 def imm1_16_XFORM: SDNodeXForm<imm, [{
570 return CurDAG->getTargetConstant((int)N->getZExtValue() - 1, MVT::i32);
572 def Imm1_16AsmOperand: AsmOperandClass { let Name = "Imm1_16"; }
573 def imm1_16 : Operand<i32>, PatLeaf<(imm), [{ return Imm > 0 && Imm <= 16; }],
575 let PrintMethod = "printImmPlusOneOperand";
576 let ParserMatchClass = Imm1_16AsmOperand;
579 // Define ARM specific addressing modes.
580 // addrmode_imm12 := reg +/- imm12
582 def addrmode_imm12 : Operand<i32>,
583 ComplexPattern<i32, 2, "SelectAddrModeImm12", []> {
584 // 12-bit immediate operand. Note that instructions using this encode
585 // #0 and #-0 differently. We flag #-0 as the magic value INT32_MIN. All other
586 // immediate values are as normal.
588 let EncoderMethod = "getAddrModeImm12OpValue";
589 let PrintMethod = "printAddrModeImm12Operand";
590 let MIOperandInfo = (ops GPR:$base, i32imm:$offsimm);
592 // ldst_so_reg := reg +/- reg shop imm
594 def ldst_so_reg : Operand<i32>,
595 ComplexPattern<i32, 3, "SelectLdStSOReg", []> {
596 let EncoderMethod = "getLdStSORegOpValue";
597 // FIXME: Simplify the printer
598 let PrintMethod = "printAddrMode2Operand";
599 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
602 // addrmode2 := reg +/- imm12
603 // := reg +/- reg shop imm
605 def MemMode2AsmOperand : AsmOperandClass {
606 let Name = "MemMode2";
607 let ParserMethod = "parseMemMode2Operand";
609 def addrmode2 : Operand<i32>,
610 ComplexPattern<i32, 3, "SelectAddrMode2", []> {
611 let EncoderMethod = "getAddrMode2OpValue";
612 let PrintMethod = "printAddrMode2Operand";
613 let ParserMatchClass = MemMode2AsmOperand;
614 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
617 def am2offset_reg : Operand<i32>,
618 ComplexPattern<i32, 2, "SelectAddrMode2OffsetReg",
619 [], [SDNPWantRoot]> {
620 let EncoderMethod = "getAddrMode2OffsetOpValue";
621 let PrintMethod = "printAddrMode2OffsetOperand";
622 let MIOperandInfo = (ops GPR, i32imm);
625 def am2offset_imm : Operand<i32>,
626 ComplexPattern<i32, 2, "SelectAddrMode2OffsetImm",
627 [], [SDNPWantRoot]> {
628 let EncoderMethod = "getAddrMode2OffsetOpValue";
629 let PrintMethod = "printAddrMode2OffsetOperand";
630 let MIOperandInfo = (ops GPR, i32imm);
634 // addrmode3 := reg +/- reg
635 // addrmode3 := reg +/- imm8
637 def MemMode3AsmOperand : AsmOperandClass {
638 let Name = "MemMode3";
639 let ParserMethod = "parseMemMode3Operand";
641 def addrmode3 : Operand<i32>,
642 ComplexPattern<i32, 3, "SelectAddrMode3", []> {
643 let EncoderMethod = "getAddrMode3OpValue";
644 let PrintMethod = "printAddrMode3Operand";
645 let ParserMatchClass = MemMode3AsmOperand;
646 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
649 def am3offset : Operand<i32>,
650 ComplexPattern<i32, 2, "SelectAddrMode3Offset",
651 [], [SDNPWantRoot]> {
652 let EncoderMethod = "getAddrMode3OffsetOpValue";
653 let PrintMethod = "printAddrMode3OffsetOperand";
654 let MIOperandInfo = (ops GPR, i32imm);
657 // ldstm_mode := {ia, ib, da, db}
659 def ldstm_mode : OptionalDefOperand<OtherVT, (ops i32), (ops (i32 1))> {
660 let EncoderMethod = "getLdStmModeOpValue";
661 let PrintMethod = "printLdStmModeOperand";
664 // addrmode5 := reg +/- imm8*4
666 def MemMode5AsmOperand : AsmOperandClass { let Name = "MemMode5"; }
667 def addrmode5 : Operand<i32>,
668 ComplexPattern<i32, 2, "SelectAddrMode5", []> {
669 let PrintMethod = "printAddrMode5Operand";
670 let MIOperandInfo = (ops GPR:$base, i32imm);
671 let ParserMatchClass = MemMode5AsmOperand;
672 let EncoderMethod = "getAddrMode5OpValue";
675 // addrmode6 := reg with optional alignment
677 def addrmode6 : Operand<i32>,
678 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
679 let PrintMethod = "printAddrMode6Operand";
680 let MIOperandInfo = (ops GPR:$addr, i32imm);
681 let EncoderMethod = "getAddrMode6AddressOpValue";
684 def am6offset : Operand<i32>,
685 ComplexPattern<i32, 1, "SelectAddrMode6Offset",
686 [], [SDNPWantRoot]> {
687 let PrintMethod = "printAddrMode6OffsetOperand";
688 let MIOperandInfo = (ops GPR);
689 let EncoderMethod = "getAddrMode6OffsetOpValue";
692 // Special version of addrmode6 to handle alignment encoding for VST1/VLD1
693 // (single element from one lane) for size 32.
694 def addrmode6oneL32 : Operand<i32>,
695 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
696 let PrintMethod = "printAddrMode6Operand";
697 let MIOperandInfo = (ops GPR:$addr, i32imm);
698 let EncoderMethod = "getAddrMode6OneLane32AddressOpValue";
701 // Special version of addrmode6 to handle alignment encoding for VLD-dup
702 // instructions, specifically VLD4-dup.
703 def addrmode6dup : Operand<i32>,
704 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
705 let PrintMethod = "printAddrMode6Operand";
706 let MIOperandInfo = (ops GPR:$addr, i32imm);
707 let EncoderMethod = "getAddrMode6DupAddressOpValue";
710 // addrmodepc := pc + reg
712 def addrmodepc : Operand<i32>,
713 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
714 let PrintMethod = "printAddrModePCOperand";
715 let MIOperandInfo = (ops GPR, i32imm);
719 // Used by load/store exclusive instructions. Useful to enable right assembly
720 // parsing and printing. Not used for any codegen matching.
722 def MemMode7AsmOperand : AsmOperandClass { let Name = "MemMode7"; }
723 def addrmode7 : Operand<i32> {
724 let PrintMethod = "printAddrMode7Operand";
725 let MIOperandInfo = (ops GPR);
726 let ParserMatchClass = MemMode7AsmOperand;
729 def nohash_imm : Operand<i32> {
730 let PrintMethod = "printNoHashImmediate";
733 def CoprocNumAsmOperand : AsmOperandClass {
734 let Name = "CoprocNum";
735 let ParserMethod = "parseCoprocNumOperand";
737 def p_imm : Operand<i32> {
738 let PrintMethod = "printPImmediate";
739 let ParserMatchClass = CoprocNumAsmOperand;
742 def CoprocRegAsmOperand : AsmOperandClass {
743 let Name = "CoprocReg";
744 let ParserMethod = "parseCoprocRegOperand";
746 def c_imm : Operand<i32> {
747 let PrintMethod = "printCImmediate";
748 let ParserMatchClass = CoprocRegAsmOperand;
751 //===----------------------------------------------------------------------===//
753 include "ARMInstrFormats.td"
755 //===----------------------------------------------------------------------===//
756 // Multiclass helpers...
759 /// AsI1_bin_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns for a
760 /// binop that produces a value.
761 multiclass AsI1_bin_irs<bits<4> opcod, string opc,
762 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
763 PatFrag opnode, string baseOpc, bit Commutable = 0> {
764 // The register-immediate version is re-materializable. This is useful
765 // in particular for taking the address of a local.
766 let isReMaterializable = 1 in {
767 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
768 iii, opc, "\t$Rd, $Rn, $imm",
769 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]> {
774 let Inst{19-16} = Rn;
775 let Inst{15-12} = Rd;
776 let Inst{11-0} = imm;
779 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
780 iir, opc, "\t$Rd, $Rn, $Rm",
781 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
786 let isCommutable = Commutable;
787 let Inst{19-16} = Rn;
788 let Inst{15-12} = Rd;
789 let Inst{11-4} = 0b00000000;
793 def rsi : AsI1<opcod, (outs GPR:$Rd),
794 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm,
795 iis, opc, "\t$Rd, $Rn, $shift",
796 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_imm:$shift))]> {
801 let Inst{19-16} = Rn;
802 let Inst{15-12} = Rd;
803 let Inst{11-5} = shift{11-5};
805 let Inst{3-0} = shift{3-0};
808 def rsr : AsI1<opcod, (outs GPR:$Rd),
809 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm,
810 iis, opc, "\t$Rd, $Rn, $shift",
811 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_reg:$shift))]> {
816 let Inst{19-16} = Rn;
817 let Inst{15-12} = Rd;
818 let Inst{11-8} = shift{11-8};
820 let Inst{6-5} = shift{6-5};
822 let Inst{3-0} = shift{3-0};
825 // Assembly aliases for optional destination operand when it's the same
826 // as the source operand.
827 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $imm"),
828 (!cast<Instruction>(!strconcat(baseOpc, "ri")) GPR:$Rdn, GPR:$Rdn,
829 so_imm:$imm, pred:$p,
832 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $Rm"),
833 (!cast<Instruction>(!strconcat(baseOpc, "rr")) GPR:$Rdn, GPR:$Rdn,
837 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
838 (!cast<Instruction>(!strconcat(baseOpc, "rsi")) GPR:$Rdn, GPR:$Rdn,
839 so_reg_imm:$shift, pred:$p,
842 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
843 (!cast<Instruction>(!strconcat(baseOpc, "rsr")) GPR:$Rdn, GPR:$Rdn,
844 so_reg_reg:$shift, pred:$p,
850 /// AI1_bin_s_irs - Similar to AsI1_bin_irs except it sets the 's' bit so the
851 /// instruction modifies the CPSR register.
852 let isCodeGenOnly = 1, Defs = [CPSR] in {
853 multiclass AI1_bin_s_irs<bits<4> opcod, string opc,
854 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
855 PatFrag opnode, bit Commutable = 0> {
856 def ri : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
857 iii, opc, "\t$Rd, $Rn, $imm",
858 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]> {
864 let Inst{19-16} = Rn;
865 let Inst{15-12} = Rd;
866 let Inst{11-0} = imm;
868 def rr : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
869 iir, opc, "\t$Rd, $Rn, $Rm",
870 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
874 let isCommutable = Commutable;
877 let Inst{19-16} = Rn;
878 let Inst{15-12} = Rd;
879 let Inst{11-4} = 0b00000000;
882 def rsi : AI1<opcod, (outs GPR:$Rd),
883 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm,
884 iis, opc, "\t$Rd, $Rn, $shift",
885 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_imm:$shift))]> {
891 let Inst{19-16} = Rn;
892 let Inst{15-12} = Rd;
893 let Inst{11-5} = shift{11-5};
895 let Inst{3-0} = shift{3-0};
898 def rsr : AI1<opcod, (outs GPR:$Rd),
899 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm,
900 iis, opc, "\t$Rd, $Rn, $shift",
901 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_reg:$shift))]> {
907 let Inst{19-16} = Rn;
908 let Inst{15-12} = Rd;
909 let Inst{11-8} = shift{11-8};
911 let Inst{6-5} = shift{6-5};
913 let Inst{3-0} = shift{3-0};
918 /// AI1_cmp_irs - Defines a set of (op r, {so_imm|r|so_reg}) cmp / test
919 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
920 /// a explicit result, only implicitly set CPSR.
921 let isCompare = 1, Defs = [CPSR] in {
922 multiclass AI1_cmp_irs<bits<4> opcod, string opc,
923 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
924 PatFrag opnode, bit Commutable = 0> {
925 def ri : AI1<opcod, (outs), (ins GPR:$Rn, so_imm:$imm), DPFrm, iii,
927 [(opnode GPR:$Rn, so_imm:$imm)]> {
932 let Inst{19-16} = Rn;
933 let Inst{15-12} = 0b0000;
934 let Inst{11-0} = imm;
936 def rr : AI1<opcod, (outs), (ins GPR:$Rn, GPR:$Rm), DPFrm, iir,
938 [(opnode GPR:$Rn, GPR:$Rm)]> {
941 let isCommutable = Commutable;
944 let Inst{19-16} = Rn;
945 let Inst{15-12} = 0b0000;
946 let Inst{11-4} = 0b00000000;
949 def rsi : AI1<opcod, (outs),
950 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm, iis,
951 opc, "\t$Rn, $shift",
952 [(opnode GPR:$Rn, so_reg_imm:$shift)]> {
957 let Inst{19-16} = Rn;
958 let Inst{15-12} = 0b0000;
959 let Inst{11-5} = shift{11-5};
961 let Inst{3-0} = shift{3-0};
963 def rsr : AI1<opcod, (outs),
964 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm, iis,
965 opc, "\t$Rn, $shift",
966 [(opnode GPR:$Rn, so_reg_reg:$shift)]> {
971 let Inst{19-16} = Rn;
972 let Inst{15-12} = 0b0000;
973 let Inst{11-8} = shift{11-8};
975 let Inst{6-5} = shift{6-5};
977 let Inst{3-0} = shift{3-0};
983 /// AI_ext_rrot - A unary operation with two forms: one whose operand is a
984 /// register and one whose operand is a register rotated by 8/16/24.
985 /// FIXME: Remove the 'r' variant. Its rot_imm is zero.
986 class AI_ext_rrot<bits<8> opcod, string opc, PatFrag opnode>
987 : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm, rot_imm:$rot),
988 IIC_iEXTr, opc, "\t$Rd, $Rm$rot",
989 [(set GPR:$Rd, (opnode (rotr GPR:$Rm, rot_imm:$rot)))]>,
990 Requires<[IsARM, HasV6]> {
994 let Inst{19-16} = 0b1111;
995 let Inst{15-12} = Rd;
996 let Inst{11-10} = rot;
1000 class AI_ext_rrot_np<bits<8> opcod, string opc>
1001 : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm, rot_imm:$rot),
1002 IIC_iEXTr, opc, "\t$Rd, $Rm$rot", []>,
1003 Requires<[IsARM, HasV6]> {
1005 let Inst{19-16} = 0b1111;
1006 let Inst{11-10} = rot;
1009 /// AI_exta_rrot - A binary operation with two forms: one whose operand is a
1010 /// register and one whose operand is a register rotated by 8/16/24.
1011 class AI_exta_rrot<bits<8> opcod, string opc, PatFrag opnode>
1012 : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, rot_imm:$rot),
1013 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm$rot",
1014 [(set GPR:$Rd, (opnode GPR:$Rn, (rotr GPR:$Rm, rot_imm:$rot)))]>,
1015 Requires<[IsARM, HasV6]> {
1020 let Inst{19-16} = Rn;
1021 let Inst{15-12} = Rd;
1022 let Inst{11-10} = rot;
1023 let Inst{9-4} = 0b000111;
1027 class AI_exta_rrot_np<bits<8> opcod, string opc>
1028 : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, rot_imm:$rot),
1029 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm$rot", []>,
1030 Requires<[IsARM, HasV6]> {
1033 let Inst{19-16} = Rn;
1034 let Inst{11-10} = rot;
1037 /// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
1038 multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode,
1039 string baseOpc, bit Commutable = 0> {
1040 let Uses = [CPSR] in {
1041 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
1042 DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
1043 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>,
1049 let Inst{15-12} = Rd;
1050 let Inst{19-16} = Rn;
1051 let Inst{11-0} = imm;
1053 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
1054 DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
1055 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
1060 let Inst{11-4} = 0b00000000;
1062 let isCommutable = Commutable;
1064 let Inst{15-12} = Rd;
1065 let Inst{19-16} = Rn;
1067 def rsi : AsI1<opcod, (outs GPR:$Rd),
1068 (ins GPR:$Rn, so_reg_imm:$shift),
1069 DPSoRegImmFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1070 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_imm:$shift))]>,
1076 let Inst{19-16} = Rn;
1077 let Inst{15-12} = Rd;
1078 let Inst{11-5} = shift{11-5};
1080 let Inst{3-0} = shift{3-0};
1082 def rsr : AsI1<opcod, (outs GPR:$Rd),
1083 (ins GPR:$Rn, so_reg_reg:$shift),
1084 DPSoRegRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1085 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_reg:$shift))]>,
1091 let Inst{19-16} = Rn;
1092 let Inst{15-12} = Rd;
1093 let Inst{11-8} = shift{11-8};
1095 let Inst{6-5} = shift{6-5};
1097 let Inst{3-0} = shift{3-0};
1100 // Assembly aliases for optional destination operand when it's the same
1101 // as the source operand.
1102 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $imm"),
1103 (!cast<Instruction>(!strconcat(baseOpc, "ri")) GPR:$Rdn, GPR:$Rdn,
1104 so_imm:$imm, pred:$p,
1107 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $Rm"),
1108 (!cast<Instruction>(!strconcat(baseOpc, "rr")) GPR:$Rdn, GPR:$Rdn,
1112 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
1113 (!cast<Instruction>(!strconcat(baseOpc, "rsi")) GPR:$Rdn, GPR:$Rdn,
1114 so_reg_imm:$shift, pred:$p,
1117 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
1118 (!cast<Instruction>(!strconcat(baseOpc, "rsr")) GPR:$Rdn, GPR:$Rdn,
1119 so_reg_reg:$shift, pred:$p,
1124 // Carry setting variants
1125 // NOTE: CPSR def omitted because it will be handled by the custom inserter.
1126 let usesCustomInserter = 1 in {
1127 multiclass AI1_adde_sube_s_irs<PatFrag opnode, bit Commutable = 0> {
1128 def ri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
1130 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>;
1131 def rr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
1133 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
1134 let isCommutable = Commutable;
1136 def rsi : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg_imm:$shift),
1138 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_imm:$shift))]>;
1139 def rsr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg_reg:$shift),
1141 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_reg:$shift))]>;
1145 let canFoldAsLoad = 1, isReMaterializable = 1 in {
1146 multiclass AI_ldr1<bit isByte, string opc, InstrItinClass iii,
1147 InstrItinClass iir, PatFrag opnode> {
1148 // Note: We use the complex addrmode_imm12 rather than just an input
1149 // GPR and a constrained immediate so that we can use this to match
1150 // frame index references and avoid matching constant pool references.
1151 def i12: AI2ldst<0b010, 1, isByte, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
1152 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
1153 [(set GPR:$Rt, (opnode addrmode_imm12:$addr))]> {
1156 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1157 let Inst{19-16} = addr{16-13}; // Rn
1158 let Inst{15-12} = Rt;
1159 let Inst{11-0} = addr{11-0}; // imm12
1161 def rs : AI2ldst<0b011, 1, isByte, (outs GPR:$Rt), (ins ldst_so_reg:$shift),
1162 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
1163 [(set GPR:$Rt, (opnode ldst_so_reg:$shift))]> {
1166 let shift{4} = 0; // Inst{4} = 0
1167 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1168 let Inst{19-16} = shift{16-13}; // Rn
1169 let Inst{15-12} = Rt;
1170 let Inst{11-0} = shift{11-0};
1175 multiclass AI_str1<bit isByte, string opc, InstrItinClass iii,
1176 InstrItinClass iir, PatFrag opnode> {
1177 // Note: We use the complex addrmode_imm12 rather than just an input
1178 // GPR and a constrained immediate so that we can use this to match
1179 // frame index references and avoid matching constant pool references.
1180 def i12 : AI2ldst<0b010, 0, isByte, (outs),
1181 (ins GPR:$Rt, addrmode_imm12:$addr),
1182 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
1183 [(opnode GPR:$Rt, addrmode_imm12:$addr)]> {
1186 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1187 let Inst{19-16} = addr{16-13}; // Rn
1188 let Inst{15-12} = Rt;
1189 let Inst{11-0} = addr{11-0}; // imm12
1191 def rs : AI2ldst<0b011, 0, isByte, (outs), (ins GPR:$Rt, ldst_so_reg:$shift),
1192 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
1193 [(opnode GPR:$Rt, ldst_so_reg:$shift)]> {
1196 let shift{4} = 0; // Inst{4} = 0
1197 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1198 let Inst{19-16} = shift{16-13}; // Rn
1199 let Inst{15-12} = Rt;
1200 let Inst{11-0} = shift{11-0};
1203 //===----------------------------------------------------------------------===//
1205 //===----------------------------------------------------------------------===//
1207 //===----------------------------------------------------------------------===//
1208 // Miscellaneous Instructions.
1211 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
1212 /// the function. The first operand is the ID# for this instruction, the second
1213 /// is the index into the MachineConstantPool that this is, the third is the
1214 /// size in bytes of this constant pool entry.
1215 let neverHasSideEffects = 1, isNotDuplicable = 1 in
1216 def CONSTPOOL_ENTRY :
1217 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
1218 i32imm:$size), NoItinerary, []>;
1220 // FIXME: Marking these as hasSideEffects is necessary to prevent machine DCE
1221 // from removing one half of the matched pairs. That breaks PEI, which assumes
1222 // these will always be in pairs, and asserts if it finds otherwise. Better way?
1223 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
1224 def ADJCALLSTACKUP :
1225 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary,
1226 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
1228 def ADJCALLSTACKDOWN :
1229 PseudoInst<(outs), (ins i32imm:$amt, pred:$p), NoItinerary,
1230 [(ARMcallseq_start timm:$amt)]>;
1233 def NOP : AI<(outs), (ins), MiscFrm, NoItinerary, "nop", "",
1234 [/* For disassembly only; pattern left blank */]>,
1235 Requires<[IsARM, HasV6T2]> {
1236 let Inst{27-16} = 0b001100100000;
1237 let Inst{15-8} = 0b11110000;
1238 let Inst{7-0} = 0b00000000;
1241 def YIELD : AI<(outs), (ins), MiscFrm, NoItinerary, "yield", "",
1242 [/* For disassembly only; pattern left blank */]>,
1243 Requires<[IsARM, HasV6T2]> {
1244 let Inst{27-16} = 0b001100100000;
1245 let Inst{15-8} = 0b11110000;
1246 let Inst{7-0} = 0b00000001;
1249 def WFE : AI<(outs), (ins), MiscFrm, NoItinerary, "wfe", "",
1250 [/* For disassembly only; pattern left blank */]>,
1251 Requires<[IsARM, HasV6T2]> {
1252 let Inst{27-16} = 0b001100100000;
1253 let Inst{15-8} = 0b11110000;
1254 let Inst{7-0} = 0b00000010;
1257 def WFI : AI<(outs), (ins), MiscFrm, NoItinerary, "wfi", "",
1258 [/* For disassembly only; pattern left blank */]>,
1259 Requires<[IsARM, HasV6T2]> {
1260 let Inst{27-16} = 0b001100100000;
1261 let Inst{15-8} = 0b11110000;
1262 let Inst{7-0} = 0b00000011;
1265 def SEL : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm, NoItinerary, "sel",
1266 "\t$dst, $a, $b", []>, Requires<[IsARM, HasV6]> {
1271 let Inst{15-12} = Rd;
1272 let Inst{19-16} = Rn;
1273 let Inst{27-20} = 0b01101000;
1274 let Inst{7-4} = 0b1011;
1275 let Inst{11-8} = 0b1111;
1278 def SEV : AI<(outs), (ins), MiscFrm, NoItinerary, "sev", "",
1279 []>, Requires<[IsARM, HasV6T2]> {
1280 let Inst{27-16} = 0b001100100000;
1281 let Inst{15-8} = 0b11110000;
1282 let Inst{7-0} = 0b00000100;
1285 // The i32imm operand $val can be used by a debugger to store more information
1286 // about the breakpoint.
1287 def BKPT : AI<(outs), (ins imm0_65535:$val), MiscFrm, NoItinerary,
1288 "bkpt", "\t$val", []>, Requires<[IsARM]> {
1290 let Inst{3-0} = val{3-0};
1291 let Inst{19-8} = val{15-4};
1292 let Inst{27-20} = 0b00010010;
1293 let Inst{7-4} = 0b0111;
1296 // Change Processor State is a system instruction -- for disassembly and
1298 // FIXME: Since the asm parser has currently no clean way to handle optional
1299 // operands, create 3 versions of the same instruction. Once there's a clean
1300 // framework to represent optional operands, change this behavior.
1301 class CPS<dag iops, string asm_ops>
1302 : AXI<(outs), iops, MiscFrm, NoItinerary, !strconcat("cps", asm_ops),
1303 [/* For disassembly only; pattern left blank */]>, Requires<[IsARM]> {
1309 let Inst{31-28} = 0b1111;
1310 let Inst{27-20} = 0b00010000;
1311 let Inst{19-18} = imod;
1312 let Inst{17} = M; // Enabled if mode is set;
1314 let Inst{8-6} = iflags;
1316 let Inst{4-0} = mode;
1320 def CPS3p : CPS<(ins imod_op:$imod, iflags_op:$iflags, i32imm:$mode),
1321 "$imod\t$iflags, $mode">;
1322 let mode = 0, M = 0 in
1323 def CPS2p : CPS<(ins imod_op:$imod, iflags_op:$iflags), "$imod\t$iflags">;
1325 let imod = 0, iflags = 0, M = 1 in
1326 def CPS1p : CPS<(ins i32imm:$mode), "\t$mode">;
1328 // Preload signals the memory system of possible future data/instruction access.
1329 // These are for disassembly only.
1330 multiclass APreLoad<bits<1> read, bits<1> data, string opc> {
1332 def i12 : AXI<(outs), (ins addrmode_imm12:$addr), MiscFrm, IIC_Preload,
1333 !strconcat(opc, "\t$addr"),
1334 [(ARMPreload addrmode_imm12:$addr, (i32 read), (i32 data))]> {
1337 let Inst{31-26} = 0b111101;
1338 let Inst{25} = 0; // 0 for immediate form
1339 let Inst{24} = data;
1340 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1341 let Inst{22} = read;
1342 let Inst{21-20} = 0b01;
1343 let Inst{19-16} = addr{16-13}; // Rn
1344 let Inst{15-12} = 0b1111;
1345 let Inst{11-0} = addr{11-0}; // imm12
1348 def rs : AXI<(outs), (ins ldst_so_reg:$shift), MiscFrm, IIC_Preload,
1349 !strconcat(opc, "\t$shift"),
1350 [(ARMPreload ldst_so_reg:$shift, (i32 read), (i32 data))]> {
1352 let Inst{31-26} = 0b111101;
1353 let Inst{25} = 1; // 1 for register form
1354 let Inst{24} = data;
1355 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1356 let Inst{22} = read;
1357 let Inst{21-20} = 0b01;
1358 let Inst{19-16} = shift{16-13}; // Rn
1359 let Inst{15-12} = 0b1111;
1360 let Inst{11-0} = shift{11-0};
1364 defm PLD : APreLoad<1, 1, "pld">, Requires<[IsARM]>;
1365 defm PLDW : APreLoad<0, 1, "pldw">, Requires<[IsARM,HasV7,HasMP]>;
1366 defm PLI : APreLoad<1, 0, "pli">, Requires<[IsARM,HasV7]>;
1368 def SETEND : AXI<(outs), (ins setend_op:$end), MiscFrm, NoItinerary,
1369 "setend\t$end", []>, Requires<[IsARM]> {
1371 let Inst{31-10} = 0b1111000100000001000000;
1376 def DBG : AI<(outs), (ins imm0_15:$opt), MiscFrm, NoItinerary, "dbg", "\t$opt",
1377 []>, Requires<[IsARM, HasV7]> {
1379 let Inst{27-4} = 0b001100100000111100001111;
1380 let Inst{3-0} = opt;
1383 // A5.4 Permanently UNDEFINED instructions.
1384 let isBarrier = 1, isTerminator = 1 in
1385 def TRAP : AXI<(outs), (ins), MiscFrm, NoItinerary,
1388 let Inst = 0xe7ffdefe;
1391 // Address computation and loads and stores in PIC mode.
1392 let isNotDuplicable = 1 in {
1393 def PICADD : ARMPseudoInst<(outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
1395 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
1397 let AddedComplexity = 10 in {
1398 def PICLDR : ARMPseudoInst<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
1400 [(set GPR:$dst, (load addrmodepc:$addr))]>;
1402 def PICLDRH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1404 [(set GPR:$Rt, (zextloadi16 addrmodepc:$addr))]>;
1406 def PICLDRB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1408 [(set GPR:$Rt, (zextloadi8 addrmodepc:$addr))]>;
1410 def PICLDRSH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1412 [(set GPR:$Rt, (sextloadi16 addrmodepc:$addr))]>;
1414 def PICLDRSB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1416 [(set GPR:$Rt, (sextloadi8 addrmodepc:$addr))]>;
1418 let AddedComplexity = 10 in {
1419 def PICSTR : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1420 4, IIC_iStore_r, [(store GPR:$src, addrmodepc:$addr)]>;
1422 def PICSTRH : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1423 4, IIC_iStore_bh_r, [(truncstorei16 GPR:$src,
1424 addrmodepc:$addr)]>;
1426 def PICSTRB : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1427 4, IIC_iStore_bh_r, [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
1429 } // isNotDuplicable = 1
1432 // LEApcrel - Load a pc-relative address into a register without offending the
1434 let neverHasSideEffects = 1, isReMaterializable = 1 in
1435 // The 'adr' mnemonic encodes differently if the label is before or after
1436 // the instruction. The {24-21} opcode bits are set by the fixup, as we don't
1437 // know until then which form of the instruction will be used.
1438 def ADR : AI1<{0,?,?,0}, (outs GPR:$Rd), (ins adrlabel:$label),
1439 MiscFrm, IIC_iALUi, "adr", "\t$Rd, $label", []> {
1442 let Inst{27-25} = 0b001;
1444 let Inst{19-16} = 0b1111;
1445 let Inst{15-12} = Rd;
1446 let Inst{11-0} = label;
1448 def LEApcrel : ARMPseudoInst<(outs GPR:$Rd), (ins i32imm:$label, pred:$p),
1451 def LEApcrelJT : ARMPseudoInst<(outs GPR:$Rd),
1452 (ins i32imm:$label, nohash_imm:$id, pred:$p),
1455 //===----------------------------------------------------------------------===//
1456 // Control Flow Instructions.
1459 let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
1461 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1462 "bx", "\tlr", [(ARMretflag)]>,
1463 Requires<[IsARM, HasV4T]> {
1464 let Inst{27-0} = 0b0001001011111111111100011110;
1468 def MOVPCLR : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1469 "mov", "\tpc, lr", [(ARMretflag)]>,
1470 Requires<[IsARM, NoV4T]> {
1471 let Inst{27-0} = 0b0001101000001111000000001110;
1475 // Indirect branches
1476 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
1478 def BX : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
1479 [(brind GPR:$dst)]>,
1480 Requires<[IsARM, HasV4T]> {
1482 let Inst{31-4} = 0b1110000100101111111111110001;
1483 let Inst{3-0} = dst;
1486 def BX_pred : AI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br,
1487 "bx", "\t$dst", [/* pattern left blank */]>,
1488 Requires<[IsARM, HasV4T]> {
1490 let Inst{27-4} = 0b000100101111111111110001;
1491 let Inst{3-0} = dst;
1495 // All calls clobber the non-callee saved registers. SP is marked as
1496 // a use to prevent stack-pointer assignments that appear immediately
1497 // before calls from potentially appearing dead.
1499 // On non-Darwin platforms R9 is callee-saved.
1500 // FIXME: Do we really need a non-predicated version? If so, it should
1501 // at least be a pseudo instruction expanding to the predicated version
1502 // at MC lowering time.
1503 Defs = [R0, R1, R2, R3, R12, LR, QQQQ0, QQQQ2, QQQQ3, CPSR, FPSCR],
1505 def BL : ABXI<0b1011, (outs), (ins bl_target:$func, variable_ops),
1506 IIC_Br, "bl\t$func",
1507 [(ARMcall tglobaladdr:$func)]>,
1508 Requires<[IsARM, IsNotDarwin]> {
1509 let Inst{31-28} = 0b1110;
1511 let Inst{23-0} = func;
1514 def BL_pred : ABI<0b1011, (outs), (ins bl_target:$func, variable_ops),
1515 IIC_Br, "bl", "\t$func",
1516 [(ARMcall_pred tglobaladdr:$func)]>,
1517 Requires<[IsARM, IsNotDarwin]> {
1519 let Inst{23-0} = func;
1523 def BLX : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1524 IIC_Br, "blx\t$func",
1525 [(ARMcall GPR:$func)]>,
1526 Requires<[IsARM, HasV5T, IsNotDarwin]> {
1528 let Inst{31-4} = 0b1110000100101111111111110011;
1529 let Inst{3-0} = func;
1532 def BLX_pred : AI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1533 IIC_Br, "blx", "\t$func",
1534 [(ARMcall_pred GPR:$func)]>,
1535 Requires<[IsARM, HasV5T, IsNotDarwin]> {
1537 let Inst{27-4} = 0b000100101111111111110011;
1538 let Inst{3-0} = func;
1542 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1543 def BX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1544 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1545 Requires<[IsARM, HasV4T, IsNotDarwin]>;
1548 def BMOVPCRX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1549 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1550 Requires<[IsARM, NoV4T, IsNotDarwin]>;
1554 // On Darwin R9 is call-clobbered.
1555 // R7 is marked as a use to prevent frame-pointer assignments from being
1556 // moved above / below calls.
1557 Defs = [R0, R1, R2, R3, R9, R12, LR, QQQQ0, QQQQ2, QQQQ3, CPSR, FPSCR],
1558 Uses = [R7, SP] in {
1559 def BLr9 : ARMPseudoExpand<(outs), (ins bl_target:$func, variable_ops),
1561 [(ARMcall tglobaladdr:$func)], (BL bl_target:$func)>,
1562 Requires<[IsARM, IsDarwin]>;
1564 def BLr9_pred : ARMPseudoExpand<(outs),
1565 (ins bl_target:$func, pred:$p, variable_ops),
1567 [(ARMcall_pred tglobaladdr:$func)],
1568 (BL_pred bl_target:$func, pred:$p)>,
1569 Requires<[IsARM, IsDarwin]>;
1572 def BLXr9 : ARMPseudoExpand<(outs), (ins GPR:$func, variable_ops),
1574 [(ARMcall GPR:$func)],
1576 Requires<[IsARM, HasV5T, IsDarwin]>;
1578 def BLXr9_pred: ARMPseudoExpand<(outs), (ins GPR:$func, pred:$p,variable_ops),
1580 [(ARMcall_pred GPR:$func)],
1581 (BLX_pred GPR:$func, pred:$p)>,
1582 Requires<[IsARM, HasV5T, IsDarwin]>;
1585 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1586 def BXr9_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1587 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1588 Requires<[IsARM, HasV4T, IsDarwin]>;
1591 def BMOVPCRXr9_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1592 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1593 Requires<[IsARM, NoV4T, IsDarwin]>;
1596 let isBranch = 1, isTerminator = 1 in {
1597 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
1598 // a two-value operand where a dag node expects two operands. :(
1599 def Bcc : ABI<0b1010, (outs), (ins br_target:$target),
1600 IIC_Br, "b", "\t$target",
1601 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]> {
1603 let Inst{23-0} = target;
1606 let isBarrier = 1 in {
1607 // B is "predicable" since it's just a Bcc with an 'always' condition.
1608 let isPredicable = 1 in
1609 // FIXME: We shouldn't need this pseudo at all. Just using Bcc directly
1610 // should be sufficient.
1611 // FIXME: Is B really a Barrier? That doesn't seem right.
1612 def B : ARMPseudoExpand<(outs), (ins br_target:$target), 4, IIC_Br,
1613 [(br bb:$target)], (Bcc br_target:$target, (ops 14, zero_reg))>;
1615 let isNotDuplicable = 1, isIndirectBranch = 1 in {
1616 def BR_JTr : ARMPseudoInst<(outs),
1617 (ins GPR:$target, i32imm:$jt, i32imm:$id),
1619 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]>;
1620 // FIXME: This shouldn't use the generic "addrmode2," but rather be split
1621 // into i12 and rs suffixed versions.
1622 def BR_JTm : ARMPseudoInst<(outs),
1623 (ins addrmode2:$target, i32imm:$jt, i32imm:$id),
1625 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
1627 def BR_JTadd : ARMPseudoInst<(outs),
1628 (ins GPR:$target, GPR:$idx, i32imm:$jt, i32imm:$id),
1630 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
1632 } // isNotDuplicable = 1, isIndirectBranch = 1
1637 // BLX (immediate) -- for disassembly only
1638 def BLXi : AXI<(outs), (ins br_target:$target), BrMiscFrm, NoItinerary,
1639 "blx\t$target", [/* pattern left blank */]>,
1640 Requires<[IsARM, HasV5T]> {
1641 let Inst{31-25} = 0b1111101;
1643 let Inst{23-0} = target{24-1};
1644 let Inst{24} = target{0};
1647 // Branch and Exchange Jazelle
1648 def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
1649 [/* pattern left blank */]> {
1651 let Inst{23-20} = 0b0010;
1652 let Inst{19-8} = 0xfff;
1653 let Inst{7-4} = 0b0010;
1654 let Inst{3-0} = func;
1659 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in {
1661 let Defs = [R0, R1, R2, R3, R9, R12, QQQQ0, QQQQ2, QQQQ3, PC],
1663 def TCRETURNdi : PseudoInst<(outs), (ins i32imm:$dst, variable_ops),
1664 IIC_Br, []>, Requires<[IsDarwin]>;
1666 def TCRETURNri : PseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
1667 IIC_Br, []>, Requires<[IsDarwin]>;
1669 def TAILJMPd : ARMPseudoExpand<(outs), (ins br_target:$dst, variable_ops),
1671 (Bcc br_target:$dst, (ops 14, zero_reg))>,
1672 Requires<[IsARM, IsDarwin]>;
1674 def TAILJMPr : ARMPseudoExpand<(outs), (ins tcGPR:$dst, variable_ops),
1677 Requires<[IsARM, IsDarwin]>;
1681 // Non-Darwin versions (the difference is R9).
1682 let Defs = [R0, R1, R2, R3, R12, QQQQ0, QQQQ2, QQQQ3, PC],
1684 def TCRETURNdiND : PseudoInst<(outs), (ins i32imm:$dst, variable_ops),
1685 IIC_Br, []>, Requires<[IsNotDarwin]>;
1687 def TCRETURNriND : PseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
1688 IIC_Br, []>, Requires<[IsNotDarwin]>;
1690 def TAILJMPdND : ARMPseudoExpand<(outs), (ins brtarget:$dst, variable_ops),
1692 (Bcc br_target:$dst, (ops 14, zero_reg))>,
1693 Requires<[IsARM, IsNotDarwin]>;
1695 def TAILJMPrND : ARMPseudoExpand<(outs), (ins tcGPR:$dst, variable_ops),
1698 Requires<[IsARM, IsNotDarwin]>;
1706 // Secure Monitor Call is a system instruction -- for disassembly only
1707 def SMC : ABI<0b0001, (outs), (ins imm0_15:$opt), NoItinerary, "smc", "\t$opt",
1710 let Inst{23-4} = 0b01100000000000000111;
1711 let Inst{3-0} = opt;
1714 // Supervisor Call (Software Interrupt)
1715 let isCall = 1, Uses = [SP] in {
1716 def SVC : ABI<0b1111, (outs), (ins imm24b:$svc), IIC_Br, "svc", "\t$svc", []> {
1718 let Inst{23-0} = svc;
1722 // Store Return State is a system instruction -- for disassembly only
1723 let isCodeGenOnly = 1 in { // FIXME: This should not use submode!
1724 def SRSW : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, i32imm:$mode),
1725 NoItinerary, "srs${amode}\tsp!, $mode",
1726 [/* For disassembly only; pattern left blank */]> {
1727 let Inst{31-28} = 0b1111;
1728 let Inst{22-20} = 0b110; // W = 1
1729 let Inst{19-8} = 0xd05;
1730 let Inst{7-5} = 0b000;
1733 def SRS : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, i32imm:$mode),
1734 NoItinerary, "srs${amode}\tsp, $mode",
1735 [/* For disassembly only; pattern left blank */]> {
1736 let Inst{31-28} = 0b1111;
1737 let Inst{22-20} = 0b100; // W = 0
1738 let Inst{19-8} = 0xd05;
1739 let Inst{7-5} = 0b000;
1742 // Return From Exception is a system instruction -- for disassembly only
1743 def RFEW : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, GPR:$base),
1744 NoItinerary, "rfe${amode}\t$base!",
1745 [/* For disassembly only; pattern left blank */]> {
1746 let Inst{31-28} = 0b1111;
1747 let Inst{22-20} = 0b011; // W = 1
1748 let Inst{15-0} = 0x0a00;
1751 def RFE : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, GPR:$base),
1752 NoItinerary, "rfe${amode}\t$base",
1753 [/* For disassembly only; pattern left blank */]> {
1754 let Inst{31-28} = 0b1111;
1755 let Inst{22-20} = 0b001; // W = 0
1756 let Inst{15-0} = 0x0a00;
1758 } // isCodeGenOnly = 1
1760 //===----------------------------------------------------------------------===//
1761 // Load / store Instructions.
1767 defm LDR : AI_ldr1<0, "ldr", IIC_iLoad_r, IIC_iLoad_si,
1768 UnOpFrag<(load node:$Src)>>;
1769 defm LDRB : AI_ldr1<1, "ldrb", IIC_iLoad_bh_r, IIC_iLoad_bh_si,
1770 UnOpFrag<(zextloadi8 node:$Src)>>;
1771 defm STR : AI_str1<0, "str", IIC_iStore_r, IIC_iStore_si,
1772 BinOpFrag<(store node:$LHS, node:$RHS)>>;
1773 defm STRB : AI_str1<1, "strb", IIC_iStore_bh_r, IIC_iStore_bh_si,
1774 BinOpFrag<(truncstorei8 node:$LHS, node:$RHS)>>;
1776 // Special LDR for loads from non-pc-relative constpools.
1777 let canFoldAsLoad = 1, mayLoad = 1, neverHasSideEffects = 1,
1778 isReMaterializable = 1 in
1779 def LDRcp : AI2ldst<0b010, 1, 0, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
1780 AddrMode_i12, LdFrm, IIC_iLoad_r, "ldr", "\t$Rt, $addr",
1784 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1785 let Inst{19-16} = 0b1111;
1786 let Inst{15-12} = Rt;
1787 let Inst{11-0} = addr{11-0}; // imm12
1790 // Loads with zero extension
1791 def LDRH : AI3ld<0b1011, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1792 IIC_iLoad_bh_r, "ldrh", "\t$Rt, $addr",
1793 [(set GPR:$Rt, (zextloadi16 addrmode3:$addr))]>;
1795 // Loads with sign extension
1796 def LDRSH : AI3ld<0b1111, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1797 IIC_iLoad_bh_r, "ldrsh", "\t$Rt, $addr",
1798 [(set GPR:$Rt, (sextloadi16 addrmode3:$addr))]>;
1800 def LDRSB : AI3ld<0b1101, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1801 IIC_iLoad_bh_r, "ldrsb", "\t$Rt, $addr",
1802 [(set GPR:$Rt, (sextloadi8 addrmode3:$addr))]>;
1804 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1 in {
1806 def LDRD : AI3ld<0b1101, 0, (outs GPR:$Rd, GPR:$dst2),
1807 (ins addrmode3:$addr), LdMiscFrm,
1808 IIC_iLoad_d_r, "ldrd", "\t$Rd, $dst2, $addr",
1809 []>, Requires<[IsARM, HasV5TE]>;
1813 multiclass AI2_ldridx<bit isByte, string opc, InstrItinClass itin> {
1814 def _PRE : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb),
1815 (ins addrmode2:$addr), IndexModePre, LdFrm, itin,
1816 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
1822 let Inst{25} = addr{13};
1823 let Inst{23} = addr{12};
1824 let Inst{19-16} = addr{17-14};
1825 let Inst{11-0} = addr{11-0};
1826 let AsmMatchConverter = "cvtLdWriteBackRegAddrMode2";
1829 def _POST_REG : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
1830 (ins GPR:$Rn, am2offset_reg:$offset),
1831 IndexModePost, LdFrm, itin,
1832 opc, "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb", []> {
1838 let Inst{23} = offset{12};
1839 let Inst{19-16} = Rn;
1840 let Inst{11-0} = offset{11-0};
1841 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
1844 def _POST_IMM : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
1845 (ins GPR:$Rn, am2offset_imm:$offset),
1846 IndexModePost, LdFrm, itin,
1847 opc, "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb", []> {
1853 let Inst{23} = offset{12};
1854 let Inst{19-16} = Rn;
1855 let Inst{11-0} = offset{11-0};
1856 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
1860 let mayLoad = 1, neverHasSideEffects = 1 in {
1861 defm LDR : AI2_ldridx<0, "ldr", IIC_iLoad_ru>;
1862 defm LDRB : AI2_ldridx<1, "ldrb", IIC_iLoad_bh_ru>;
1865 multiclass AI3_ldridx<bits<4> op, bit op20, string opc, InstrItinClass itin> {
1866 def _PRE : AI3ldstidx<op, op20, 1, 1, (outs GPR:$Rt, GPR:$Rn_wb),
1867 (ins addrmode3:$addr), IndexModePre,
1869 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
1871 let Inst{23} = addr{8}; // U bit
1872 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
1873 let Inst{19-16} = addr{12-9}; // Rn
1874 let Inst{11-8} = addr{7-4}; // imm7_4/zero
1875 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
1877 def _POST : AI3ldstidx<op, op20, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
1878 (ins GPR:$Rn, am3offset:$offset), IndexModePost,
1880 opc, "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb", []> {
1883 let Inst{23} = offset{8}; // U bit
1884 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
1885 let Inst{19-16} = Rn;
1886 let Inst{11-8} = offset{7-4}; // imm7_4/zero
1887 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
1891 let mayLoad = 1, neverHasSideEffects = 1 in {
1892 defm LDRH : AI3_ldridx<0b1011, 1, "ldrh", IIC_iLoad_bh_ru>;
1893 defm LDRSH : AI3_ldridx<0b1111, 1, "ldrsh", IIC_iLoad_bh_ru>;
1894 defm LDRSB : AI3_ldridx<0b1101, 1, "ldrsb", IIC_iLoad_bh_ru>;
1895 let hasExtraDefRegAllocReq = 1 in {
1896 def LDRD_PRE : AI3ldstidx<0b1101, 0, 1, 1, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
1897 (ins addrmode3:$addr), IndexModePre,
1898 LdMiscFrm, IIC_iLoad_d_ru,
1899 "ldrd", "\t$Rt, $Rt2, $addr!",
1900 "$addr.base = $Rn_wb", []> {
1902 let Inst{23} = addr{8}; // U bit
1903 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
1904 let Inst{19-16} = addr{12-9}; // Rn
1905 let Inst{11-8} = addr{7-4}; // imm7_4/zero
1906 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
1907 let DecoderMethod = "DecodeAddrMode3Instruction";
1909 def LDRD_POST: AI3ldstidx<0b1101, 0, 1, 0, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
1910 (ins GPR:$Rn, am3offset:$offset), IndexModePost,
1911 LdMiscFrm, IIC_iLoad_d_ru,
1912 "ldrd", "\t$Rt, $Rt2, [$Rn], $offset",
1913 "$Rn = $Rn_wb", []> {
1916 let Inst{23} = offset{8}; // U bit
1917 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
1918 let Inst{19-16} = Rn;
1919 let Inst{11-8} = offset{7-4}; // imm7_4/zero
1920 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
1921 let DecoderMethod = "DecodeAddrMode3Instruction";
1923 } // hasExtraDefRegAllocReq = 1
1924 } // mayLoad = 1, neverHasSideEffects = 1
1926 // LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT are for disassembly only.
1927 let mayLoad = 1, neverHasSideEffects = 1 in {
1928 def LDRT : AI2ldstidx<1, 0, 0, (outs GPR:$Rt, GPR:$base_wb),
1929 (ins addrmode2:$addr), IndexModePost, LdFrm, IIC_iLoad_ru,
1930 "ldrt", "\t$Rt, $addr", "$addr.base = $base_wb", []> {
1932 // {13} 1 == Rm, 0 == imm12
1936 let Inst{25} = addr{13};
1937 let Inst{23} = addr{12};
1938 let Inst{21} = 1; // overwrite
1939 let Inst{19-16} = addr{17-14};
1940 let Inst{11-0} = addr{11-0};
1941 let AsmMatchConverter = "cvtLdWriteBackRegAddrMode2";
1943 def LDRBT : AI2ldstidx<1, 1, 0, (outs GPR:$Rt, GPR:$base_wb),
1944 (ins addrmode2:$addr), IndexModePost, LdFrm, IIC_iLoad_bh_ru,
1945 "ldrbt", "\t$Rt, $addr", "$addr.base = $base_wb", []> {
1947 // {13} 1 == Rm, 0 == imm12
1951 let Inst{25} = addr{13};
1952 let Inst{23} = addr{12};
1953 let Inst{21} = 1; // overwrite
1954 let Inst{19-16} = addr{17-14};
1955 let Inst{11-0} = addr{11-0};
1956 let AsmMatchConverter = "cvtLdWriteBackRegAddrMode2";
1958 def LDRSBT : AI3ldstidxT<0b1101, 1, 1, 0, (outs GPR:$Rt, GPR:$base_wb),
1959 (ins addrmode3:$addr), IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru,
1960 "ldrsbt", "\t$Rt, $addr", "$addr.base = $base_wb", []> {
1961 let Inst{21} = 1; // overwrite
1963 def LDRHT : AI3ldstidxT<0b1011, 1, 1, 0, (outs GPR:$Rt, GPR:$base_wb),
1964 (ins addrmode3:$addr), IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru,
1965 "ldrht", "\t$Rt, $addr", "$addr.base = $base_wb", []> {
1966 let Inst{21} = 1; // overwrite
1968 def LDRSHT : AI3ldstidxT<0b1111, 1, 1, 0, (outs GPR:$Rt, GPR:$base_wb),
1969 (ins addrmode3:$addr), IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru,
1970 "ldrsht", "\t$Rt, $addr", "$addr.base = $base_wb", []> {
1971 let Inst{21} = 1; // overwrite
1977 // Stores with truncate
1978 def STRH : AI3str<0b1011, (outs), (ins GPR:$Rt, addrmode3:$addr), StMiscFrm,
1979 IIC_iStore_bh_r, "strh", "\t$Rt, $addr",
1980 [(truncstorei16 GPR:$Rt, addrmode3:$addr)]>;
1983 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in
1984 def STRD : AI3str<0b1111, (outs), (ins GPR:$Rt, GPR:$src2, addrmode3:$addr),
1985 StMiscFrm, IIC_iStore_d_r,
1986 "strd", "\t$Rt, $src2, $addr", []>,
1987 Requires<[IsARM, HasV5TE]> {
1992 def STR_PRE_REG : AI2stridx_reg<0, 1, (outs GPR:$Rn_wb),
1993 (ins GPR:$Rt, GPR:$Rn, am2offset_reg:$offset),
1994 IndexModePre, StFrm, IIC_iStore_ru,
1995 "str", "\t$Rt, [$Rn, $offset]!",
1996 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
1998 (pre_store GPR:$Rt, GPR:$Rn, am2offset_reg:$offset))]>;
1999 def STR_PRE_IMM : AI2stridx_imm<0, 1, (outs GPR:$Rn_wb),
2000 (ins GPR:$Rt, GPR:$Rn, am2offset_imm:$offset),
2001 IndexModePre, StFrm, IIC_iStore_ru,
2002 "str", "\t$Rt, [$Rn, $offset]!",
2003 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
2005 (pre_store GPR:$Rt, GPR:$Rn, am2offset_imm:$offset))]>;
2009 def STR_POST_REG : AI2stridx_reg<0, 0, (outs GPR:$Rn_wb),
2010 (ins GPR:$Rt, GPR:$Rn, am2offset_reg:$offset),
2011 IndexModePost, StFrm, IIC_iStore_ru,
2012 "str", "\t$Rt, [$Rn], $offset",
2013 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
2015 (post_store GPR:$Rt, GPR:$Rn, am2offset_reg:$offset))]>;
2016 def STR_POST_IMM : AI2stridx_imm<0, 0, (outs GPR:$Rn_wb),
2017 (ins GPR:$Rt, GPR:$Rn, am2offset_imm:$offset),
2018 IndexModePost, StFrm, IIC_iStore_ru,
2019 "str", "\t$Rt, [$Rn], $offset",
2020 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
2022 (post_store GPR:$Rt, GPR:$Rn, am2offset_imm:$offset))]>;
2025 def STRB_PRE_REG : AI2stridx_reg<1, 1, (outs GPR:$Rn_wb),
2026 (ins GPR:$Rt, GPR:$Rn, am2offset_reg:$offset),
2027 IndexModePre, StFrm, IIC_iStore_bh_ru,
2028 "strb", "\t$Rt, [$Rn, $offset]!",
2029 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
2030 [(set GPR:$Rn_wb, (pre_truncsti8 GPR:$Rt,
2031 GPR:$Rn, am2offset_reg:$offset))]>;
2032 def STRB_PRE_IMM : AI2stridx_imm<1, 1, (outs GPR:$Rn_wb),
2033 (ins GPR:$Rt, GPR:$Rn, am2offset_imm:$offset),
2034 IndexModePre, StFrm, IIC_iStore_bh_ru,
2035 "strb", "\t$Rt, [$Rn, $offset]!",
2036 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
2037 [(set GPR:$Rn_wb, (pre_truncsti8 GPR:$Rt,
2038 GPR:$Rn, am2offset_imm:$offset))]>;
2040 def STRB_POST_REG: AI2stridx_reg<1, 0, (outs GPR:$Rn_wb),
2041 (ins GPR:$Rt, GPR:$Rn, am2offset_reg:$offset),
2042 IndexModePost, StFrm, IIC_iStore_bh_ru,
2043 "strb", "\t$Rt, [$Rn], $offset",
2044 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
2045 [(set GPR:$Rn_wb, (post_truncsti8 GPR:$Rt,
2046 GPR:$Rn, am2offset_reg:$offset))]>;
2047 def STRB_POST_IMM: AI2stridx_imm<1, 0, (outs GPR:$Rn_wb),
2048 (ins GPR:$Rt, GPR:$Rn, am2offset_imm:$offset),
2049 IndexModePost, StFrm, IIC_iStore_bh_ru,
2050 "strb", "\t$Rt, [$Rn], $offset",
2051 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
2052 [(set GPR:$Rn_wb, (post_truncsti8 GPR:$Rt,
2053 GPR:$Rn, am2offset_imm:$offset))]>;
2056 def STRH_PRE : AI3stridx<0b1011, 0, 1, (outs GPR:$Rn_wb),
2057 (ins GPR:$Rt, GPR:$Rn, am3offset:$offset),
2058 IndexModePre, StMiscFrm, IIC_iStore_ru,
2059 "strh", "\t$Rt, [$Rn, $offset]!",
2060 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
2062 (pre_truncsti16 GPR:$Rt, GPR:$Rn, am3offset:$offset))]>;
2064 def STRH_POST: AI3stridx<0b1011, 0, 0, (outs GPR:$Rn_wb),
2065 (ins GPR:$Rt, GPR:$Rn, am3offset:$offset),
2066 IndexModePost, StMiscFrm, IIC_iStore_bh_ru,
2067 "strh", "\t$Rt, [$Rn], $offset",
2068 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
2069 [(set GPR:$Rn_wb, (post_truncsti16 GPR:$Rt,
2070 GPR:$Rn, am3offset:$offset))]>;
2072 // For disassembly only
2073 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in {
2074 def STRD_PRE : AI3stdpr<(outs GPR:$base_wb),
2075 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
2076 StMiscFrm, IIC_iStore_d_ru,
2077 "strd", "\t$src1, $src2, [$base, $offset]!",
2078 "$base = $base_wb", []> {
2082 let Inst{23} = offset{8}; // U bit
2083 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2084 let Inst{19-16} = base;
2085 let Inst{15-12} = src1;
2086 let Inst{11-8} = offset{7-4};
2087 let Inst{3-0} = offset{3-0};
2089 let DecoderMethod = "DecodeAddrMode3Instruction";
2092 // For disassembly only
2093 def STRD_POST: AI3stdpo<(outs GPR:$base_wb),
2094 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
2095 StMiscFrm, IIC_iStore_d_ru,
2096 "strd", "\t$src1, $src2, [$base], $offset",
2097 "$base = $base_wb", []> {
2101 let Inst{23} = offset{8}; // U bit
2102 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2103 let Inst{19-16} = base;
2104 let Inst{15-12} = src1;
2105 let Inst{11-8} = offset{7-4};
2106 let Inst{3-0} = offset{3-0};
2108 let DecoderMethod = "DecodeAddrMode3Instruction";
2110 } // mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1
2112 // STRT, STRBT, and STRHT are for disassembly only.
2114 def STRTr : AI2stridxT<0, 0, (outs GPR:$Rn_wb),
2115 (ins GPR:$Rt, ldst_so_reg:$addr),
2116 IndexModePost, StFrm, IIC_iStore_ru,
2117 "strt", "\t$Rt, $addr", "$addr.base = $Rn_wb",
2118 [/* For disassembly only; pattern left blank */]> {
2120 let Inst{21} = 1; // overwrite
2122 let AsmMatchConverter = "cvtStWriteBackRegAddrMode2";
2125 def STRTi : AI2stridxT<0, 0, (outs GPR:$Rn_wb),
2126 (ins GPR:$Rt, addrmode_imm12:$addr),
2127 IndexModePost, StFrm, IIC_iStore_ru,
2128 "strt", "\t$Rt, $addr", "$addr.base = $Rn_wb",
2129 [/* For disassembly only; pattern left blank */]> {
2131 let Inst{21} = 1; // overwrite
2132 let AsmMatchConverter = "cvtStWriteBackRegAddrMode2";
2136 def STRBTr : AI2stridxT<1, 0, (outs GPR:$Rn_wb),
2137 (ins GPR:$Rt, ldst_so_reg:$addr),
2138 IndexModePost, StFrm, IIC_iStore_bh_ru,
2139 "strbt", "\t$Rt, $addr", "$addr.base = $Rn_wb",
2140 [/* For disassembly only; pattern left blank */]> {
2142 let Inst{21} = 1; // overwrite
2144 let AsmMatchConverter = "cvtStWriteBackRegAddrMode2";
2147 def STRBTi : AI2stridxT<1, 0, (outs GPR:$Rn_wb),
2148 (ins GPR:$Rt, addrmode_imm12:$addr),
2149 IndexModePost, StFrm, IIC_iStore_bh_ru,
2150 "strbt", "\t$Rt, $addr", "$addr.base = $Rn_wb",
2151 [/* For disassembly only; pattern left blank */]> {
2153 let Inst{21} = 1; // overwrite
2154 let AsmMatchConverter = "cvtStWriteBackRegAddrMode2";
2158 def STRHT: AI3sthpo<(outs GPR:$base_wb), (ins GPR:$Rt, addrmode3:$addr),
2159 StMiscFrm, IIC_iStore_bh_ru,
2160 "strht", "\t$Rt, $addr", "$addr.base = $base_wb",
2161 [/* For disassembly only; pattern left blank */]> {
2162 let Inst{21} = 1; // overwrite
2163 let AsmMatchConverter = "cvtStWriteBackRegAddrMode3";
2166 //===----------------------------------------------------------------------===//
2167 // Load / store multiple Instructions.
2170 multiclass arm_ldst_mult<string asm, bit L_bit, Format f,
2171 InstrItinClass itin, InstrItinClass itin_upd> {
2172 // IA is the default, so no need for an explicit suffix on the
2173 // mnemonic here. Without it is the cannonical spelling.
2175 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2176 IndexModeNone, f, itin,
2177 !strconcat(asm, "${p}\t$Rn, $regs"), "", []> {
2178 let Inst{24-23} = 0b01; // Increment After
2179 let Inst{21} = 0; // No writeback
2180 let Inst{20} = L_bit;
2183 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2184 IndexModeUpd, f, itin_upd,
2185 !strconcat(asm, "${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
2186 let Inst{24-23} = 0b01; // Increment After
2187 let Inst{21} = 1; // Writeback
2188 let Inst{20} = L_bit;
2191 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2192 IndexModeNone, f, itin,
2193 !strconcat(asm, "da${p}\t$Rn, $regs"), "", []> {
2194 let Inst{24-23} = 0b00; // Decrement After
2195 let Inst{21} = 0; // No writeback
2196 let Inst{20} = L_bit;
2199 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2200 IndexModeUpd, f, itin_upd,
2201 !strconcat(asm, "da${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
2202 let Inst{24-23} = 0b00; // Decrement After
2203 let Inst{21} = 1; // Writeback
2204 let Inst{20} = L_bit;
2207 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2208 IndexModeNone, f, itin,
2209 !strconcat(asm, "db${p}\t$Rn, $regs"), "", []> {
2210 let Inst{24-23} = 0b10; // Decrement Before
2211 let Inst{21} = 0; // No writeback
2212 let Inst{20} = L_bit;
2215 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2216 IndexModeUpd, f, itin_upd,
2217 !strconcat(asm, "db${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
2218 let Inst{24-23} = 0b10; // Decrement Before
2219 let Inst{21} = 1; // Writeback
2220 let Inst{20} = L_bit;
2223 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2224 IndexModeNone, f, itin,
2225 !strconcat(asm, "ib${p}\t$Rn, $regs"), "", []> {
2226 let Inst{24-23} = 0b11; // Increment Before
2227 let Inst{21} = 0; // No writeback
2228 let Inst{20} = L_bit;
2231 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2232 IndexModeUpd, f, itin_upd,
2233 !strconcat(asm, "ib${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
2234 let Inst{24-23} = 0b11; // Increment Before
2235 let Inst{21} = 1; // Writeback
2236 let Inst{20} = L_bit;
2240 let neverHasSideEffects = 1 in {
2242 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
2243 defm LDM : arm_ldst_mult<"ldm", 1, LdStMulFrm, IIC_iLoad_m, IIC_iLoad_mu>;
2245 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
2246 defm STM : arm_ldst_mult<"stm", 0, LdStMulFrm, IIC_iStore_m, IIC_iStore_mu>;
2248 } // neverHasSideEffects
2250 // FIXME: remove when we have a way to marking a MI with these properties.
2251 // FIXME: Should pc be an implicit operand like PICADD, etc?
2252 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
2253 hasExtraDefRegAllocReq = 1, isCodeGenOnly = 1 in
2254 def LDMIA_RET : ARMPseudoExpand<(outs GPR:$wb), (ins GPR:$Rn, pred:$p,
2255 reglist:$regs, variable_ops),
2256 4, IIC_iLoad_mBr, [],
2257 (LDMIA_UPD GPR:$wb, GPR:$Rn, pred:$p, reglist:$regs)>,
2258 RegConstraint<"$Rn = $wb">;
2260 //===----------------------------------------------------------------------===//
2261 // Move Instructions.
2264 let neverHasSideEffects = 1 in
2265 def MOVr : AsI1<0b1101, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMOVr,
2266 "mov", "\t$Rd, $Rm", []>, UnaryDP {
2270 let Inst{19-16} = 0b0000;
2271 let Inst{11-4} = 0b00000000;
2274 let Inst{15-12} = Rd;
2277 // A version for the smaller set of tail call registers.
2278 let neverHasSideEffects = 1 in
2279 def MOVr_TC : AsI1<0b1101, (outs tcGPR:$Rd), (ins tcGPR:$Rm), DPFrm,
2280 IIC_iMOVr, "mov", "\t$Rd, $Rm", []>, UnaryDP {
2284 let Inst{11-4} = 0b00000000;
2287 let Inst{15-12} = Rd;
2290 def MOVsr : AsI1<0b1101, (outs GPR:$Rd), (ins shift_so_reg_reg:$src),
2291 DPSoRegRegFrm, IIC_iMOVsr,
2292 "mov", "\t$Rd, $src", [(set GPR:$Rd, shift_so_reg_reg:$src)]>,
2296 let Inst{15-12} = Rd;
2297 let Inst{19-16} = 0b0000;
2298 let Inst{11-8} = src{11-8};
2300 let Inst{6-5} = src{6-5};
2302 let Inst{3-0} = src{3-0};
2306 def MOVsi : AsI1<0b1101, (outs GPR:$Rd), (ins shift_so_reg_imm:$src),
2307 DPSoRegImmFrm, IIC_iMOVsr,
2308 "mov", "\t$Rd, $src", [(set GPR:$Rd, shift_so_reg_imm:$src)]>,
2312 let Inst{15-12} = Rd;
2313 let Inst{19-16} = 0b0000;
2314 let Inst{11-5} = src{11-5};
2316 let Inst{3-0} = src{3-0};
2322 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
2323 def MOVi : AsI1<0b1101, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm, IIC_iMOVi,
2324 "mov", "\t$Rd, $imm", [(set GPR:$Rd, so_imm:$imm)]>, UnaryDP {
2328 let Inst{15-12} = Rd;
2329 let Inst{19-16} = 0b0000;
2330 let Inst{11-0} = imm;
2333 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
2334 def MOVi16 : AI1<0b1000, (outs GPR:$Rd), (ins imm0_65535_expr:$imm),
2336 "movw", "\t$Rd, $imm",
2337 [(set GPR:$Rd, imm0_65535:$imm)]>,
2338 Requires<[IsARM, HasV6T2]>, UnaryDP {
2341 let Inst{15-12} = Rd;
2342 let Inst{11-0} = imm{11-0};
2343 let Inst{19-16} = imm{15-12};
2348 def : InstAlias<"mov${p} $Rd, $imm",
2349 (MOVi16 GPR:$Rd, imm0_65535_expr:$imm, pred:$p)>,
2352 def MOVi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
2353 (ins i32imm:$addr, pclabel:$id), IIC_iMOVi, []>;
2355 let Constraints = "$src = $Rd" in {
2356 def MOVTi16 : AI1<0b1010, (outs GPR:$Rd), (ins GPR:$src, imm0_65535_expr:$imm),
2358 "movt", "\t$Rd, $imm",
2360 (or (and GPR:$src, 0xffff),
2361 lo16AllZero:$imm))]>, UnaryDP,
2362 Requires<[IsARM, HasV6T2]> {
2365 let Inst{15-12} = Rd;
2366 let Inst{11-0} = imm{11-0};
2367 let Inst{19-16} = imm{15-12};
2372 def MOVTi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
2373 (ins GPR:$src, i32imm:$addr, pclabel:$id), IIC_iMOVi, []>;
2377 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
2378 Requires<[IsARM, HasV6T2]>;
2380 let Uses = [CPSR] in
2381 def RRX: PseudoInst<(outs GPR:$Rd), (ins GPR:$Rm), IIC_iMOVsi,
2382 [(set GPR:$Rd, (ARMrrx GPR:$Rm))]>, UnaryDP,
2385 // These aren't really mov instructions, but we have to define them this way
2386 // due to flag operands.
2388 let Defs = [CPSR] in {
2389 def MOVsrl_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
2390 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP,
2392 def MOVsra_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
2393 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP,
2397 //===----------------------------------------------------------------------===//
2398 // Extend Instructions.
2403 def SXTB : AI_ext_rrot<0b01101010,
2404 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
2405 def SXTH : AI_ext_rrot<0b01101011,
2406 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
2408 def SXTAB : AI_exta_rrot<0b01101010,
2409 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
2410 def SXTAH : AI_exta_rrot<0b01101011,
2411 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
2413 def SXTB16 : AI_ext_rrot_np<0b01101000, "sxtb16">;
2415 def SXTAB16 : AI_exta_rrot_np<0b01101000, "sxtab16">;
2419 let AddedComplexity = 16 in {
2420 def UXTB : AI_ext_rrot<0b01101110,
2421 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
2422 def UXTH : AI_ext_rrot<0b01101111,
2423 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
2424 def UXTB16 : AI_ext_rrot<0b01101100,
2425 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
2427 // FIXME: This pattern incorrectly assumes the shl operator is a rotate.
2428 // The transformation should probably be done as a combiner action
2429 // instead so we can include a check for masking back in the upper
2430 // eight bits of the source into the lower eight bits of the result.
2431 //def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
2432 // (UXTB16r_rot GPR:$Src, 3)>;
2433 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
2434 (UXTB16 GPR:$Src, 1)>;
2436 def UXTAB : AI_exta_rrot<0b01101110, "uxtab",
2437 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
2438 def UXTAH : AI_exta_rrot<0b01101111, "uxtah",
2439 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
2442 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
2443 def UXTAB16 : AI_exta_rrot_np<0b01101100, "uxtab16">;
2446 def SBFX : I<(outs GPR:$Rd),
2447 (ins GPR:$Rn, imm0_31:$lsb, imm1_32:$width),
2448 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
2449 "sbfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
2450 Requires<[IsARM, HasV6T2]> {
2455 let Inst{27-21} = 0b0111101;
2456 let Inst{6-4} = 0b101;
2457 let Inst{20-16} = width;
2458 let Inst{15-12} = Rd;
2459 let Inst{11-7} = lsb;
2463 def UBFX : I<(outs GPR:$Rd),
2464 (ins GPR:$Rn, imm0_31:$lsb, imm1_32:$width),
2465 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
2466 "ubfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
2467 Requires<[IsARM, HasV6T2]> {
2472 let Inst{27-21} = 0b0111111;
2473 let Inst{6-4} = 0b101;
2474 let Inst{20-16} = width;
2475 let Inst{15-12} = Rd;
2476 let Inst{11-7} = lsb;
2480 //===----------------------------------------------------------------------===//
2481 // Arithmetic Instructions.
2484 defm ADD : AsI1_bin_irs<0b0100, "add",
2485 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2486 BinOpFrag<(add node:$LHS, node:$RHS)>, "ADD", 1>;
2487 defm SUB : AsI1_bin_irs<0b0010, "sub",
2488 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2489 BinOpFrag<(sub node:$LHS, node:$RHS)>, "SUB">;
2491 // ADD and SUB with 's' bit set.
2492 defm ADDS : AI1_bin_s_irs<0b0100, "adds",
2493 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2494 BinOpFrag<(addc node:$LHS, node:$RHS)>, 1>;
2495 defm SUBS : AI1_bin_s_irs<0b0010, "subs",
2496 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2497 BinOpFrag<(subc node:$LHS, node:$RHS)>>;
2499 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
2500 BinOpFrag<(adde_dead_carry node:$LHS, node:$RHS)>,
2502 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
2503 BinOpFrag<(sube_dead_carry node:$LHS, node:$RHS)>,
2506 // ADC and SUBC with 's' bit set.
2507 let usesCustomInserter = 1 in {
2508 defm ADCS : AI1_adde_sube_s_irs<
2509 BinOpFrag<(adde_live_carry node:$LHS, node:$RHS)>, 1>;
2510 defm SBCS : AI1_adde_sube_s_irs<
2511 BinOpFrag<(sube_live_carry node:$LHS, node:$RHS) >>;
2514 def RSBri : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
2515 IIC_iALUi, "rsb", "\t$Rd, $Rn, $imm",
2516 [(set GPR:$Rd, (sub so_imm:$imm, GPR:$Rn))]> {
2521 let Inst{15-12} = Rd;
2522 let Inst{19-16} = Rn;
2523 let Inst{11-0} = imm;
2526 // The reg/reg form is only defined for the disassembler; for codegen it is
2527 // equivalent to SUBrr.
2528 def RSBrr : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
2529 IIC_iALUr, "rsb", "\t$Rd, $Rn, $Rm",
2530 [/* For disassembly only; pattern left blank */]> {
2534 let Inst{11-4} = 0b00000000;
2537 let Inst{15-12} = Rd;
2538 let Inst{19-16} = Rn;
2541 def RSBrsi : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_imm:$shift),
2542 DPSoRegImmFrm, IIC_iALUsr, "rsb", "\t$Rd, $Rn, $shift",
2543 [(set GPR:$Rd, (sub so_reg_imm:$shift, GPR:$Rn))]> {
2548 let Inst{19-16} = Rn;
2549 let Inst{15-12} = Rd;
2550 let Inst{11-5} = shift{11-5};
2552 let Inst{3-0} = shift{3-0};
2555 def RSBrsr : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_reg:$shift),
2556 DPSoRegRegFrm, IIC_iALUsr, "rsb", "\t$Rd, $Rn, $shift",
2557 [(set GPR:$Rd, (sub so_reg_reg:$shift, GPR:$Rn))]> {
2562 let Inst{19-16} = Rn;
2563 let Inst{15-12} = Rd;
2564 let Inst{11-8} = shift{11-8};
2566 let Inst{6-5} = shift{6-5};
2568 let Inst{3-0} = shift{3-0};
2571 // RSB with 's' bit set.
2572 // NOTE: CPSR def omitted because it will be handled by the custom inserter.
2573 let usesCustomInserter = 1 in {
2574 def RSBSri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2576 [(set GPR:$Rd, (subc so_imm:$imm, GPR:$Rn))]>;
2577 def RSBSrr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2579 [/* For disassembly only; pattern left blank */]>;
2580 def RSBSrsi : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg_imm:$shift),
2582 [(set GPR:$Rd, (subc so_reg_imm:$shift, GPR:$Rn))]>;
2583 def RSBSrsr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg_reg:$shift),
2585 [(set GPR:$Rd, (subc so_reg_reg:$shift, GPR:$Rn))]>;
2588 let Uses = [CPSR] in {
2589 def RSCri : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2590 DPFrm, IIC_iALUi, "rsc", "\t$Rd, $Rn, $imm",
2591 [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>,
2597 let Inst{15-12} = Rd;
2598 let Inst{19-16} = Rn;
2599 let Inst{11-0} = imm;
2601 // The reg/reg form is only defined for the disassembler; for codegen it is
2602 // equivalent to SUBrr.
2603 def RSCrr : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2604 DPFrm, IIC_iALUr, "rsc", "\t$Rd, $Rn, $Rm",
2605 [/* For disassembly only; pattern left blank */]> {
2609 let Inst{11-4} = 0b00000000;
2612 let Inst{15-12} = Rd;
2613 let Inst{19-16} = Rn;
2615 def RSCrsi : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_imm:$shift),
2616 DPSoRegImmFrm, IIC_iALUsr, "rsc", "\t$Rd, $Rn, $shift",
2617 [(set GPR:$Rd, (sube_dead_carry so_reg_imm:$shift, GPR:$Rn))]>,
2623 let Inst{19-16} = Rn;
2624 let Inst{15-12} = Rd;
2625 let Inst{11-5} = shift{11-5};
2627 let Inst{3-0} = shift{3-0};
2629 def RSCrsr : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_reg:$shift),
2630 DPSoRegRegFrm, IIC_iALUsr, "rsc", "\t$Rd, $Rn, $shift",
2631 [(set GPR:$Rd, (sube_dead_carry so_reg_reg:$shift, GPR:$Rn))]>,
2637 let Inst{19-16} = Rn;
2638 let Inst{15-12} = Rd;
2639 let Inst{11-8} = shift{11-8};
2641 let Inst{6-5} = shift{6-5};
2643 let Inst{3-0} = shift{3-0};
2648 // NOTE: CPSR def omitted because it will be handled by the custom inserter.
2649 let usesCustomInserter = 1, Uses = [CPSR] in {
2650 def RSCSri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2652 [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>;
2653 def RSCSrsi : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg_imm:$shift),
2655 [(set GPR:$Rd, (sube_dead_carry so_reg_imm:$shift, GPR:$Rn))]>;
2656 def RSCSrsr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg_reg:$shift),
2658 [(set GPR:$Rd, (sube_dead_carry so_reg_reg:$shift, GPR:$Rn))]>;
2661 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
2662 // The assume-no-carry-in form uses the negation of the input since add/sub
2663 // assume opposite meanings of the carry flag (i.e., carry == !borrow).
2664 // See the definition of AddWithCarry() in the ARM ARM A2.2.1 for the gory
2666 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
2667 (SUBri GPR:$src, so_imm_neg:$imm)>;
2668 def : ARMPat<(addc GPR:$src, so_imm_neg:$imm),
2669 (SUBSri GPR:$src, so_imm_neg:$imm)>;
2670 // The with-carry-in form matches bitwise not instead of the negation.
2671 // Effectively, the inverse interpretation of the carry flag already accounts
2672 // for part of the negation.
2673 def : ARMPat<(adde_dead_carry GPR:$src, so_imm_not:$imm),
2674 (SBCri GPR:$src, so_imm_not:$imm)>;
2675 def : ARMPat<(adde_live_carry GPR:$src, so_imm_not:$imm),
2676 (SBCSri GPR:$src, so_imm_not:$imm)>;
2678 // Note: These are implemented in C++ code, because they have to generate
2679 // ADD/SUBrs instructions, which use a complex pattern that a xform function
2681 // (mul X, 2^n+1) -> (add (X << n), X)
2682 // (mul X, 2^n-1) -> (rsb X, (X << n))
2684 // ARM Arithmetic Instruction
2685 // GPR:$dst = GPR:$a op GPR:$b
2686 class AAI<bits<8> op27_20, bits<8> op11_4, string opc,
2687 list<dag> pattern = [],
2688 dag iops = (ins GPR:$Rn, GPR:$Rm), string asm = "\t$Rd, $Rn, $Rm">
2689 : AI<(outs GPR:$Rd), iops, DPFrm, IIC_iALUr, opc, asm, pattern> {
2693 let Inst{27-20} = op27_20;
2694 let Inst{11-4} = op11_4;
2695 let Inst{19-16} = Rn;
2696 let Inst{15-12} = Rd;
2700 // Saturating add/subtract
2702 def QADD : AAI<0b00010000, 0b00000101, "qadd",
2703 [(set GPR:$Rd, (int_arm_qadd GPR:$Rm, GPR:$Rn))],
2704 (ins GPR:$Rm, GPR:$Rn), "\t$Rd, $Rm, $Rn">;
2705 def QSUB : AAI<0b00010010, 0b00000101, "qsub",
2706 [(set GPR:$Rd, (int_arm_qsub GPR:$Rm, GPR:$Rn))],
2707 (ins GPR:$Rm, GPR:$Rn), "\t$Rd, $Rm, $Rn">;
2708 def QDADD : AAI<0b00010100, 0b00000101, "qdadd", [], (ins GPR:$Rm, GPR:$Rn),
2710 def QDSUB : AAI<0b00010110, 0b00000101, "qdsub", [], (ins GPR:$Rm, GPR:$Rn),
2713 def QADD16 : AAI<0b01100010, 0b11110001, "qadd16">;
2714 def QADD8 : AAI<0b01100010, 0b11111001, "qadd8">;
2715 def QASX : AAI<0b01100010, 0b11110011, "qasx">;
2716 def QSAX : AAI<0b01100010, 0b11110101, "qsax">;
2717 def QSUB16 : AAI<0b01100010, 0b11110111, "qsub16">;
2718 def QSUB8 : AAI<0b01100010, 0b11111111, "qsub8">;
2719 def UQADD16 : AAI<0b01100110, 0b11110001, "uqadd16">;
2720 def UQADD8 : AAI<0b01100110, 0b11111001, "uqadd8">;
2721 def UQASX : AAI<0b01100110, 0b11110011, "uqasx">;
2722 def UQSAX : AAI<0b01100110, 0b11110101, "uqsax">;
2723 def UQSUB16 : AAI<0b01100110, 0b11110111, "uqsub16">;
2724 def UQSUB8 : AAI<0b01100110, 0b11111111, "uqsub8">;
2726 // Signed/Unsigned add/subtract
2728 def SASX : AAI<0b01100001, 0b11110011, "sasx">;
2729 def SADD16 : AAI<0b01100001, 0b11110001, "sadd16">;
2730 def SADD8 : AAI<0b01100001, 0b11111001, "sadd8">;
2731 def SSAX : AAI<0b01100001, 0b11110101, "ssax">;
2732 def SSUB16 : AAI<0b01100001, 0b11110111, "ssub16">;
2733 def SSUB8 : AAI<0b01100001, 0b11111111, "ssub8">;
2734 def UASX : AAI<0b01100101, 0b11110011, "uasx">;
2735 def UADD16 : AAI<0b01100101, 0b11110001, "uadd16">;
2736 def UADD8 : AAI<0b01100101, 0b11111001, "uadd8">;
2737 def USAX : AAI<0b01100101, 0b11110101, "usax">;
2738 def USUB16 : AAI<0b01100101, 0b11110111, "usub16">;
2739 def USUB8 : AAI<0b01100101, 0b11111111, "usub8">;
2741 // Signed/Unsigned halving add/subtract
2743 def SHASX : AAI<0b01100011, 0b11110011, "shasx">;
2744 def SHADD16 : AAI<0b01100011, 0b11110001, "shadd16">;
2745 def SHADD8 : AAI<0b01100011, 0b11111001, "shadd8">;
2746 def SHSAX : AAI<0b01100011, 0b11110101, "shsax">;
2747 def SHSUB16 : AAI<0b01100011, 0b11110111, "shsub16">;
2748 def SHSUB8 : AAI<0b01100011, 0b11111111, "shsub8">;
2749 def UHASX : AAI<0b01100111, 0b11110011, "uhasx">;
2750 def UHADD16 : AAI<0b01100111, 0b11110001, "uhadd16">;
2751 def UHADD8 : AAI<0b01100111, 0b11111001, "uhadd8">;
2752 def UHSAX : AAI<0b01100111, 0b11110101, "uhsax">;
2753 def UHSUB16 : AAI<0b01100111, 0b11110111, "uhsub16">;
2754 def UHSUB8 : AAI<0b01100111, 0b11111111, "uhsub8">;
2756 // Unsigned Sum of Absolute Differences [and Accumulate] -- for disassembly only
2758 def USAD8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2759 MulFrm /* for convenience */, NoItinerary, "usad8",
2760 "\t$Rd, $Rn, $Rm", []>,
2761 Requires<[IsARM, HasV6]> {
2765 let Inst{27-20} = 0b01111000;
2766 let Inst{15-12} = 0b1111;
2767 let Inst{7-4} = 0b0001;
2768 let Inst{19-16} = Rd;
2769 let Inst{11-8} = Rm;
2772 def USADA8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2773 MulFrm /* for convenience */, NoItinerary, "usada8",
2774 "\t$Rd, $Rn, $Rm, $Ra", []>,
2775 Requires<[IsARM, HasV6]> {
2780 let Inst{27-20} = 0b01111000;
2781 let Inst{7-4} = 0b0001;
2782 let Inst{19-16} = Rd;
2783 let Inst{15-12} = Ra;
2784 let Inst{11-8} = Rm;
2788 // Signed/Unsigned saturate -- for disassembly only
2790 def SSAT : AI<(outs GPR:$Rd), (ins imm1_32:$sat_imm, GPR:$Rn, shift_imm:$sh),
2791 SatFrm, NoItinerary, "ssat", "\t$Rd, $sat_imm, $Rn$sh", []> {
2796 let Inst{27-21} = 0b0110101;
2797 let Inst{5-4} = 0b01;
2798 let Inst{20-16} = sat_imm;
2799 let Inst{15-12} = Rd;
2800 let Inst{11-7} = sh{4-0};
2801 let Inst{6} = sh{5};
2805 def SSAT16 : AI<(outs GPR:$Rd), (ins imm1_16:$sat_imm, GPR:$Rn), SatFrm,
2806 NoItinerary, "ssat16", "\t$Rd, $sat_imm, $Rn", []> {
2810 let Inst{27-20} = 0b01101010;
2811 let Inst{11-4} = 0b11110011;
2812 let Inst{15-12} = Rd;
2813 let Inst{19-16} = sat_imm;
2817 def USAT : AI<(outs GPR:$Rd), (ins imm0_31:$sat_imm, GPR:$Rn, shift_imm:$sh),
2818 SatFrm, NoItinerary, "usat", "\t$Rd, $sat_imm, $Rn$sh", []> {
2823 let Inst{27-21} = 0b0110111;
2824 let Inst{5-4} = 0b01;
2825 let Inst{15-12} = Rd;
2826 let Inst{11-7} = sh{4-0};
2827 let Inst{6} = sh{5};
2828 let Inst{20-16} = sat_imm;
2832 def USAT16 : AI<(outs GPR:$Rd), (ins imm0_15:$sat_imm, GPR:$a), SatFrm,
2833 NoItinerary, "usat16", "\t$Rd, $sat_imm, $a",
2834 [/* For disassembly only; pattern left blank */]> {
2838 let Inst{27-20} = 0b01101110;
2839 let Inst{11-4} = 0b11110011;
2840 let Inst{15-12} = Rd;
2841 let Inst{19-16} = sat_imm;
2845 def : ARMV6Pat<(int_arm_ssat GPR:$a, imm:$pos), (SSAT imm:$pos, GPR:$a, 0)>;
2846 def : ARMV6Pat<(int_arm_usat GPR:$a, imm:$pos), (USAT imm:$pos, GPR:$a, 0)>;
2848 //===----------------------------------------------------------------------===//
2849 // Bitwise Instructions.
2852 defm AND : AsI1_bin_irs<0b0000, "and",
2853 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2854 BinOpFrag<(and node:$LHS, node:$RHS)>, "AND", 1>;
2855 defm ORR : AsI1_bin_irs<0b1100, "orr",
2856 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2857 BinOpFrag<(or node:$LHS, node:$RHS)>, "ORR", 1>;
2858 defm EOR : AsI1_bin_irs<0b0001, "eor",
2859 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2860 BinOpFrag<(xor node:$LHS, node:$RHS)>, "EOR", 1>;
2861 defm BIC : AsI1_bin_irs<0b1110, "bic",
2862 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2863 BinOpFrag<(and node:$LHS, (not node:$RHS))>, "BIC">;
2865 // FIXME: bf_inv_mask_imm should be two operands, the lsb and the msb, just
2866 // like in the actual instruction encoding. The complexity of mapping the mask
2867 // to the lsb/msb pair should be handled by ISel, not encapsulated in the
2868 // instruction description.
2869 def BFC : I<(outs GPR:$Rd), (ins GPR:$src, bf_inv_mask_imm:$imm),
2870 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
2871 "bfc", "\t$Rd, $imm", "$src = $Rd",
2872 [(set GPR:$Rd, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
2873 Requires<[IsARM, HasV6T2]> {
2876 let Inst{27-21} = 0b0111110;
2877 let Inst{6-0} = 0b0011111;
2878 let Inst{15-12} = Rd;
2879 let Inst{11-7} = imm{4-0}; // lsb
2880 let Inst{20-16} = imm{9-5}; // msb
2883 // A8.6.18 BFI - Bitfield insert (Encoding A1)
2884 def BFI : I<(outs GPR:$Rd), (ins GPR:$src, GPR:$Rn, bf_inv_mask_imm:$imm),
2885 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
2886 "bfi", "\t$Rd, $Rn, $imm", "$src = $Rd",
2887 [(set GPR:$Rd, (ARMbfi GPR:$src, GPR:$Rn,
2888 bf_inv_mask_imm:$imm))]>,
2889 Requires<[IsARM, HasV6T2]> {
2893 let Inst{27-21} = 0b0111110;
2894 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
2895 let Inst{15-12} = Rd;
2896 let Inst{11-7} = imm{4-0}; // lsb
2897 let Inst{20-16} = imm{9-5}; // width
2901 // GNU as only supports this form of bfi (w/ 4 arguments)
2902 let isAsmParserOnly = 1 in
2903 def BFI4p : I<(outs GPR:$Rd), (ins GPR:$src, GPR:$Rn,
2904 lsb_pos_imm:$lsb, width_imm:$width),
2905 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
2906 "bfi", "\t$Rd, $Rn, $lsb, $width", "$src = $Rd",
2907 []>, Requires<[IsARM, HasV6T2]> {
2912 let Inst{27-21} = 0b0111110;
2913 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
2914 let Inst{15-12} = Rd;
2915 let Inst{11-7} = lsb;
2916 let Inst{20-16} = width; // Custom encoder => lsb+width-1
2920 def MVNr : AsI1<0b1111, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMVNr,
2921 "mvn", "\t$Rd, $Rm",
2922 [(set GPR:$Rd, (not GPR:$Rm))]>, UnaryDP {
2926 let Inst{19-16} = 0b0000;
2927 let Inst{11-4} = 0b00000000;
2928 let Inst{15-12} = Rd;
2931 def MVNsi : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg_imm:$shift), DPSoRegImmFrm,
2932 IIC_iMVNsr, "mvn", "\t$Rd, $shift",
2933 [(set GPR:$Rd, (not so_reg_imm:$shift))]>, UnaryDP {
2937 let Inst{19-16} = 0b0000;
2938 let Inst{15-12} = Rd;
2939 let Inst{11-5} = shift{11-5};
2941 let Inst{3-0} = shift{3-0};
2943 def MVNsr : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg_reg:$shift), DPSoRegRegFrm,
2944 IIC_iMVNsr, "mvn", "\t$Rd, $shift",
2945 [(set GPR:$Rd, (not so_reg_reg:$shift))]>, UnaryDP {
2949 let Inst{19-16} = 0b0000;
2950 let Inst{15-12} = Rd;
2951 let Inst{11-8} = shift{11-8};
2953 let Inst{6-5} = shift{6-5};
2955 let Inst{3-0} = shift{3-0};
2957 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
2958 def MVNi : AsI1<0b1111, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm,
2959 IIC_iMVNi, "mvn", "\t$Rd, $imm",
2960 [(set GPR:$Rd, so_imm_not:$imm)]>,UnaryDP {
2964 let Inst{19-16} = 0b0000;
2965 let Inst{15-12} = Rd;
2966 let Inst{11-0} = imm;
2969 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
2970 (BICri GPR:$src, so_imm_not:$imm)>;
2972 //===----------------------------------------------------------------------===//
2973 // Multiply Instructions.
2975 class AsMul1I32<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
2976 string opc, string asm, list<dag> pattern>
2977 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
2981 let Inst{19-16} = Rd;
2982 let Inst{11-8} = Rm;
2985 class AsMul1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
2986 string opc, string asm, list<dag> pattern>
2987 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
2992 let Inst{19-16} = RdHi;
2993 let Inst{15-12} = RdLo;
2994 let Inst{11-8} = Rm;
2998 // FIXME: The v5 pseudos are only necessary for the additional Constraint
2999 // property. Remove them when it's possible to add those properties
3000 // on an individual MachineInstr, not just an instuction description.
3001 let isCommutable = 1 in {
3002 def MUL : AsMul1I32<0b0000000, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3003 IIC_iMUL32, "mul", "\t$Rd, $Rn, $Rm",
3004 [(set GPR:$Rd, (mul GPR:$Rn, GPR:$Rm))]>,
3005 Requires<[IsARM, HasV6]> {
3006 let Inst{15-12} = 0b0000;
3009 let Constraints = "@earlyclobber $Rd" in
3010 def MULv5: ARMPseudoExpand<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
3011 pred:$p, cc_out:$s),
3013 [(set GPR:$Rd, (mul GPR:$Rn, GPR:$Rm))],
3014 (MUL GPR:$Rd, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3015 Requires<[IsARM, NoV6]>;
3018 def MLA : AsMul1I32<0b0000001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3019 IIC_iMAC32, "mla", "\t$Rd, $Rn, $Rm, $Ra",
3020 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
3021 Requires<[IsARM, HasV6]> {
3023 let Inst{15-12} = Ra;
3026 let Constraints = "@earlyclobber $Rd" in
3027 def MLAv5: ARMPseudoExpand<(outs GPR:$Rd),
3028 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra, pred:$p, cc_out:$s),
3030 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))],
3031 (MLA GPR:$Rd, GPR:$Rn, GPR:$Rm, GPR:$Ra, pred:$p, cc_out:$s)>,
3032 Requires<[IsARM, NoV6]>;
3034 def MLS : AMul1I<0b0000011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3035 IIC_iMAC32, "mls", "\t$Rd, $Rn, $Rm, $Ra",
3036 [(set GPR:$Rd, (sub GPR:$Ra, (mul GPR:$Rn, GPR:$Rm)))]>,
3037 Requires<[IsARM, HasV6T2]> {
3042 let Inst{19-16} = Rd;
3043 let Inst{15-12} = Ra;
3044 let Inst{11-8} = Rm;
3048 // Extra precision multiplies with low / high results
3049 let neverHasSideEffects = 1 in {
3050 let isCommutable = 1 in {
3051 def SMULL : AsMul1I64<0b0000110, (outs GPR:$RdLo, GPR:$RdHi),
3052 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
3053 "smull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3054 Requires<[IsARM, HasV6]>;
3056 def UMULL : AsMul1I64<0b0000100, (outs GPR:$RdLo, GPR:$RdHi),
3057 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
3058 "umull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3059 Requires<[IsARM, HasV6]>;
3061 let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
3062 def SMULLv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3063 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
3065 (SMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3066 Requires<[IsARM, NoV6]>;
3068 def UMULLv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3069 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
3071 (UMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3072 Requires<[IsARM, NoV6]>;
3076 // Multiply + accumulate
3077 def SMLAL : AsMul1I64<0b0000111, (outs GPR:$RdLo, GPR:$RdHi),
3078 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
3079 "smlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3080 Requires<[IsARM, HasV6]>;
3081 def UMLAL : AsMul1I64<0b0000101, (outs GPR:$RdLo, GPR:$RdHi),
3082 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
3083 "umlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3084 Requires<[IsARM, HasV6]>;
3086 def UMAAL : AMul1I <0b0000010, (outs GPR:$RdLo, GPR:$RdHi),
3087 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
3088 "umaal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3089 Requires<[IsARM, HasV6]> {
3094 let Inst{19-16} = RdLo;
3095 let Inst{15-12} = RdHi;
3096 let Inst{11-8} = Rm;
3100 let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
3101 def SMLALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3102 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
3104 (SMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3105 Requires<[IsARM, NoV6]>;
3106 def UMLALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3107 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
3109 (UMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3110 Requires<[IsARM, NoV6]>;
3111 def UMAALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3112 (ins GPR:$Rn, GPR:$Rm, pred:$p),
3114 (UMAAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p)>,
3115 Requires<[IsARM, NoV6]>;
3118 } // neverHasSideEffects
3120 // Most significant word multiply
3121 def SMMUL : AMul2I <0b0111010, 0b0001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3122 IIC_iMUL32, "smmul", "\t$Rd, $Rn, $Rm",
3123 [(set GPR:$Rd, (mulhs GPR:$Rn, GPR:$Rm))]>,
3124 Requires<[IsARM, HasV6]> {
3125 let Inst{15-12} = 0b1111;
3128 def SMMULR : AMul2I <0b0111010, 0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3129 IIC_iMUL32, "smmulr", "\t$Rd, $Rn, $Rm",
3130 [/* For disassembly only; pattern left blank */]>,
3131 Requires<[IsARM, HasV6]> {
3132 let Inst{15-12} = 0b1111;
3135 def SMMLA : AMul2Ia <0b0111010, 0b0001, (outs GPR:$Rd),
3136 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3137 IIC_iMAC32, "smmla", "\t$Rd, $Rn, $Rm, $Ra",
3138 [(set GPR:$Rd, (add (mulhs GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
3139 Requires<[IsARM, HasV6]>;
3141 def SMMLAR : AMul2Ia <0b0111010, 0b0011, (outs GPR:$Rd),
3142 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3143 IIC_iMAC32, "smmlar", "\t$Rd, $Rn, $Rm, $Ra",
3144 [/* For disassembly only; pattern left blank */]>,
3145 Requires<[IsARM, HasV6]>;
3147 def SMMLS : AMul2Ia <0b0111010, 0b1101, (outs GPR:$Rd),
3148 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3149 IIC_iMAC32, "smmls", "\t$Rd, $Rn, $Rm, $Ra",
3150 [(set GPR:$Rd, (sub GPR:$Ra, (mulhs GPR:$Rn, GPR:$Rm)))]>,
3151 Requires<[IsARM, HasV6]>;
3153 def SMMLSR : AMul2Ia <0b0111010, 0b1111, (outs GPR:$Rd),
3154 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3155 IIC_iMAC32, "smmlsr", "\t$Rd, $Rn, $Rm, $Ra",
3156 [/* For disassembly only; pattern left blank */]>,
3157 Requires<[IsARM, HasV6]>;
3159 multiclass AI_smul<string opc, PatFrag opnode> {
3160 def BB : AMulxyI<0b0001011, 0b00, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3161 IIC_iMUL16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm",
3162 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
3163 (sext_inreg GPR:$Rm, i16)))]>,
3164 Requires<[IsARM, HasV5TE]>;
3166 def BT : AMulxyI<0b0001011, 0b10, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3167 IIC_iMUL16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm",
3168 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
3169 (sra GPR:$Rm, (i32 16))))]>,
3170 Requires<[IsARM, HasV5TE]>;
3172 def TB : AMulxyI<0b0001011, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3173 IIC_iMUL16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm",
3174 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
3175 (sext_inreg GPR:$Rm, i16)))]>,
3176 Requires<[IsARM, HasV5TE]>;
3178 def TT : AMulxyI<0b0001011, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3179 IIC_iMUL16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm",
3180 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
3181 (sra GPR:$Rm, (i32 16))))]>,
3182 Requires<[IsARM, HasV5TE]>;
3184 def WB : AMulxyI<0b0001001, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3185 IIC_iMUL16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm",
3186 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
3187 (sext_inreg GPR:$Rm, i16)), (i32 16)))]>,
3188 Requires<[IsARM, HasV5TE]>;
3190 def WT : AMulxyI<0b0001001, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3191 IIC_iMUL16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm",
3192 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
3193 (sra GPR:$Rm, (i32 16))), (i32 16)))]>,
3194 Requires<[IsARM, HasV5TE]>;
3198 multiclass AI_smla<string opc, PatFrag opnode> {
3199 def BB : AMulxyIa<0b0001000, 0b00, (outs GPR:$Rd),
3200 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3201 IIC_iMAC16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm, $Ra",
3202 [(set GPR:$Rd, (add GPR:$Ra,
3203 (opnode (sext_inreg GPR:$Rn, i16),
3204 (sext_inreg GPR:$Rm, i16))))]>,
3205 Requires<[IsARM, HasV5TE]>;
3207 def BT : AMulxyIa<0b0001000, 0b10, (outs GPR:$Rd),
3208 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3209 IIC_iMAC16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm, $Ra",
3210 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sext_inreg GPR:$Rn, i16),
3211 (sra GPR:$Rm, (i32 16)))))]>,
3212 Requires<[IsARM, HasV5TE]>;
3214 def TB : AMulxyIa<0b0001000, 0b01, (outs GPR:$Rd),
3215 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3216 IIC_iMAC16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm, $Ra",
3217 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sra GPR:$Rn, (i32 16)),
3218 (sext_inreg GPR:$Rm, i16))))]>,
3219 Requires<[IsARM, HasV5TE]>;
3221 def TT : AMulxyIa<0b0001000, 0b11, (outs GPR:$Rd),
3222 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3223 IIC_iMAC16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm, $Ra",
3224 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sra GPR:$Rn, (i32 16)),
3225 (sra GPR:$Rm, (i32 16)))))]>,
3226 Requires<[IsARM, HasV5TE]>;
3228 def WB : AMulxyIa<0b0001001, 0b00, (outs GPR:$Rd),
3229 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3230 IIC_iMAC16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm, $Ra",
3231 [(set GPR:$Rd, (add GPR:$Ra, (sra (opnode GPR:$Rn,
3232 (sext_inreg GPR:$Rm, i16)), (i32 16))))]>,
3233 Requires<[IsARM, HasV5TE]>;
3235 def WT : AMulxyIa<0b0001001, 0b10, (outs GPR:$Rd),
3236 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3237 IIC_iMAC16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm, $Ra",
3238 [(set GPR:$Rd, (add GPR:$Ra, (sra (opnode GPR:$Rn,
3239 (sra GPR:$Rm, (i32 16))), (i32 16))))]>,
3240 Requires<[IsARM, HasV5TE]>;
3243 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
3244 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
3246 // Halfword multiply accumulate long: SMLAL<x><y> -- for disassembly only
3247 def SMLALBB : AMulxyI64<0b0001010, 0b00, (outs GPR:$RdLo, GPR:$RdHi),
3248 (ins GPR:$Rn, GPR:$Rm),
3249 IIC_iMAC64, "smlalbb", "\t$RdLo, $RdHi, $Rn, $Rm",
3250 [/* For disassembly only; pattern left blank */]>,
3251 Requires<[IsARM, HasV5TE]>;
3253 def SMLALBT : AMulxyI64<0b0001010, 0b10, (outs GPR:$RdLo, GPR:$RdHi),
3254 (ins GPR:$Rn, GPR:$Rm),
3255 IIC_iMAC64, "smlalbt", "\t$RdLo, $RdHi, $Rn, $Rm",
3256 [/* For disassembly only; pattern left blank */]>,
3257 Requires<[IsARM, HasV5TE]>;
3259 def SMLALTB : AMulxyI64<0b0001010, 0b01, (outs GPR:$RdLo, GPR:$RdHi),
3260 (ins GPR:$Rn, GPR:$Rm),
3261 IIC_iMAC64, "smlaltb", "\t$RdLo, $RdHi, $Rn, $Rm",
3262 [/* For disassembly only; pattern left blank */]>,
3263 Requires<[IsARM, HasV5TE]>;
3265 def SMLALTT : AMulxyI64<0b0001010, 0b11, (outs GPR:$RdLo, GPR:$RdHi),
3266 (ins GPR:$Rn, GPR:$Rm),
3267 IIC_iMAC64, "smlaltt", "\t$RdLo, $RdHi, $Rn, $Rm",
3268 [/* For disassembly only; pattern left blank */]>,
3269 Requires<[IsARM, HasV5TE]>;
3271 // Helper class for AI_smld -- for disassembly only
3272 class AMulDualIbase<bit long, bit sub, bit swap, dag oops, dag iops,
3273 InstrItinClass itin, string opc, string asm>
3274 : AI<oops, iops, MulFrm, itin, opc, asm, []>, Requires<[IsARM, HasV6]> {
3277 let Inst{27-23} = 0b01110;
3278 let Inst{22} = long;
3279 let Inst{21-20} = 0b00;
3280 let Inst{11-8} = Rm;
3287 class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
3288 InstrItinClass itin, string opc, string asm>
3289 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
3291 let Inst{15-12} = 0b1111;
3292 let Inst{19-16} = Rd;
3294 class AMulDualIa<bit long, bit sub, bit swap, dag oops, dag iops,
3295 InstrItinClass itin, string opc, string asm>
3296 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
3299 let Inst{19-16} = Rd;
3300 let Inst{15-12} = Ra;
3302 class AMulDualI64<bit long, bit sub, bit swap, dag oops, dag iops,
3303 InstrItinClass itin, string opc, string asm>
3304 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
3307 let Inst{19-16} = RdHi;
3308 let Inst{15-12} = RdLo;
3311 multiclass AI_smld<bit sub, string opc> {
3313 def D : AMulDualIa<0, sub, 0, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3314 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm, $Ra">;
3316 def DX: AMulDualIa<0, sub, 1, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3317 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm, $Ra">;
3319 def LD: AMulDualI64<1, sub, 0, (outs GPR:$RdLo,GPR:$RdHi),
3320 (ins GPR:$Rn, GPR:$Rm), NoItinerary,
3321 !strconcat(opc, "ld"), "\t$RdLo, $RdHi, $Rn, $Rm">;
3323 def LDX : AMulDualI64<1, sub, 1, (outs GPR:$RdLo,GPR:$RdHi),
3324 (ins GPR:$Rn, GPR:$Rm), NoItinerary,
3325 !strconcat(opc, "ldx"),"\t$RdLo, $RdHi, $Rn, $Rm">;
3329 defm SMLA : AI_smld<0, "smla">;
3330 defm SMLS : AI_smld<1, "smls">;
3332 multiclass AI_sdml<bit sub, string opc> {
3334 def D : AMulDualI<0, sub, 0, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3335 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm">;
3336 def DX : AMulDualI<0, sub, 1, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3337 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm">;
3340 defm SMUA : AI_sdml<0, "smua">;
3341 defm SMUS : AI_sdml<1, "smus">;
3343 //===----------------------------------------------------------------------===//
3344 // Misc. Arithmetic Instructions.
3347 def CLZ : AMiscA1I<0b000010110, 0b0001, (outs GPR:$Rd), (ins GPR:$Rm),
3348 IIC_iUNAr, "clz", "\t$Rd, $Rm",
3349 [(set GPR:$Rd, (ctlz GPR:$Rm))]>, Requires<[IsARM, HasV5T]>;
3351 def RBIT : AMiscA1I<0b01101111, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
3352 IIC_iUNAr, "rbit", "\t$Rd, $Rm",
3353 [(set GPR:$Rd, (ARMrbit GPR:$Rm))]>,
3354 Requires<[IsARM, HasV6T2]>;
3356 def REV : AMiscA1I<0b01101011, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
3357 IIC_iUNAr, "rev", "\t$Rd, $Rm",
3358 [(set GPR:$Rd, (bswap GPR:$Rm))]>, Requires<[IsARM, HasV6]>;
3360 let AddedComplexity = 5 in
3361 def REV16 : AMiscA1I<0b01101011, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
3362 IIC_iUNAr, "rev16", "\t$Rd, $Rm",
3363 [(set GPR:$Rd, (rotr (bswap GPR:$Rm), (i32 16)))]>,
3364 Requires<[IsARM, HasV6]>;
3366 let AddedComplexity = 5 in
3367 def REVSH : AMiscA1I<0b01101111, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
3368 IIC_iUNAr, "revsh", "\t$Rd, $Rm",
3369 [(set GPR:$Rd, (sra (bswap GPR:$Rm), (i32 16)))]>,
3370 Requires<[IsARM, HasV6]>;
3372 def : ARMV6Pat<(or (sra (shl GPR:$Rm, (i32 24)), (i32 16)),
3373 (and (srl GPR:$Rm, (i32 8)), 0xFF)),
3376 def PKHBT : APKHI<0b01101000, 0, (outs GPR:$Rd),
3377 (ins GPR:$Rn, GPR:$Rm, pkh_lsl_amt:$sh),
3378 IIC_iALUsi, "pkhbt", "\t$Rd, $Rn, $Rm$sh",
3379 [(set GPR:$Rd, (or (and GPR:$Rn, 0xFFFF),
3380 (and (shl GPR:$Rm, pkh_lsl_amt:$sh),
3382 Requires<[IsARM, HasV6]>;
3384 // Alternate cases for PKHBT where identities eliminate some nodes.
3385 def : ARMV6Pat<(or (and GPR:$Rn, 0xFFFF), (and GPR:$Rm, 0xFFFF0000)),
3386 (PKHBT GPR:$Rn, GPR:$Rm, 0)>;
3387 def : ARMV6Pat<(or (and GPR:$Rn, 0xFFFF), (shl GPR:$Rm, imm16_31:$sh)),
3388 (PKHBT GPR:$Rn, GPR:$Rm, imm16_31:$sh)>;
3390 // Note: Shifts of 1-15 bits will be transformed to srl instead of sra and
3391 // will match the pattern below.
3392 def PKHTB : APKHI<0b01101000, 1, (outs GPR:$Rd),
3393 (ins GPR:$Rn, GPR:$Rm, pkh_asr_amt:$sh),
3394 IIC_iBITsi, "pkhtb", "\t$Rd, $Rn, $Rm$sh",
3395 [(set GPR:$Rd, (or (and GPR:$Rn, 0xFFFF0000),
3396 (and (sra GPR:$Rm, pkh_asr_amt:$sh),
3398 Requires<[IsARM, HasV6]>;
3400 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
3401 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
3402 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000), (srl GPR:$src2, imm16_31:$sh)),
3403 (PKHTB GPR:$src1, GPR:$src2, imm16_31:$sh)>;
3404 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000),
3405 (and (srl GPR:$src2, imm1_15:$sh), 0xFFFF)),
3406 (PKHTB GPR:$src1, GPR:$src2, imm1_15:$sh)>;
3408 //===----------------------------------------------------------------------===//
3409 // Comparison Instructions...
3412 defm CMP : AI1_cmp_irs<0b1010, "cmp",
3413 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
3414 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
3416 // ARMcmpZ can re-use the above instruction definitions.
3417 def : ARMPat<(ARMcmpZ GPR:$src, so_imm:$imm),
3418 (CMPri GPR:$src, so_imm:$imm)>;
3419 def : ARMPat<(ARMcmpZ GPR:$src, GPR:$rhs),
3420 (CMPrr GPR:$src, GPR:$rhs)>;
3421 def : ARMPat<(ARMcmpZ GPR:$src, so_reg_imm:$rhs),
3422 (CMPrsi GPR:$src, so_reg_imm:$rhs)>;
3423 def : ARMPat<(ARMcmpZ GPR:$src, so_reg_reg:$rhs),
3424 (CMPrsr GPR:$src, so_reg_reg:$rhs)>;
3426 // FIXME: We have to be careful when using the CMN instruction and comparison
3427 // with 0. One would expect these two pieces of code should give identical
3443 // However, the CMN gives the *opposite* result when r1 is 0. This is because
3444 // the carry flag is set in the CMP case but not in the CMN case. In short, the
3445 // CMP instruction doesn't perform a truncate of the (logical) NOT of 0 plus the
3446 // value of r0 and the carry bit (because the "carry bit" parameter to
3447 // AddWithCarry is defined as 1 in this case, the carry flag will always be set
3448 // when r0 >= 0). The CMN instruction doesn't perform a NOT of 0 so there is
3449 // never a "carry" when this AddWithCarry is performed (because the "carry bit"
3450 // parameter to AddWithCarry is defined as 0).
3452 // When x is 0 and unsigned:
3456 // ~x + 1 = 0x1 0000 0000
3457 // (-x = 0) != (0x1 0000 0000 = ~x + 1)
3459 // Therefore, we should disable CMN when comparing against zero, until we can
3460 // limit when the CMN instruction is used (when we know that the RHS is not 0 or
3461 // when it's a comparison which doesn't look at the 'carry' flag).
3463 // (See the ARM docs for the "AddWithCarry" pseudo-code.)
3465 // This is related to <rdar://problem/7569620>.
3467 //defm CMN : AI1_cmp_irs<0b1011, "cmn",
3468 // BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
3470 // Note that TST/TEQ don't set all the same flags that CMP does!
3471 defm TST : AI1_cmp_irs<0b1000, "tst",
3472 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
3473 BinOpFrag<(ARMcmpZ (and_su node:$LHS, node:$RHS), 0)>, 1>;
3474 defm TEQ : AI1_cmp_irs<0b1001, "teq",
3475 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
3476 BinOpFrag<(ARMcmpZ (xor_su node:$LHS, node:$RHS), 0)>, 1>;
3478 defm CMNz : AI1_cmp_irs<0b1011, "cmn",
3479 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
3480 BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>>;
3482 //def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
3483 // (CMNri GPR:$src, so_imm_neg:$imm)>;
3485 def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
3486 (CMNzri GPR:$src, so_imm_neg:$imm)>;
3488 // Pseudo i64 compares for some floating point compares.
3489 let usesCustomInserter = 1, isBranch = 1, isTerminator = 1,
3491 def BCCi64 : PseudoInst<(outs),
3492 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, brtarget:$dst),
3494 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, bb:$dst)]>;
3496 def BCCZi64 : PseudoInst<(outs),
3497 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, brtarget:$dst), IIC_Br,
3498 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, 0, 0, bb:$dst)]>;
3499 } // usesCustomInserter
3502 // Conditional moves
3503 // FIXME: should be able to write a pattern for ARMcmov, but can't use
3504 // a two-value operand where a dag node expects two operands. :(
3505 let neverHasSideEffects = 1 in {
3506 def MOVCCr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$false, GPR:$Rm, pred:$p),
3508 [/*(set GPR:$Rd, (ARMcmov GPR:$false, GPR:$Rm, imm:$cc, CCR:$ccr))*/]>,
3509 RegConstraint<"$false = $Rd">;
3510 def MOVCCsi : ARMPseudoInst<(outs GPR:$Rd),
3511 (ins GPR:$false, so_reg_imm:$shift, pred:$p),
3513 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_reg_imm:$shift, imm:$cc, CCR:$ccr))*/]>,
3514 RegConstraint<"$false = $Rd">;
3515 def MOVCCsr : ARMPseudoInst<(outs GPR:$Rd),
3516 (ins GPR:$false, so_reg_reg:$shift, pred:$p),
3518 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_reg_reg:$shift, imm:$cc, CCR:$ccr))*/]>,
3519 RegConstraint<"$false = $Rd">;
3522 let isMoveImm = 1 in
3523 def MOVCCi16 : ARMPseudoInst<(outs GPR:$Rd),
3524 (ins GPR:$false, imm0_65535_expr:$imm, pred:$p),
3527 RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>;
3529 let isMoveImm = 1 in
3530 def MOVCCi : ARMPseudoInst<(outs GPR:$Rd),
3531 (ins GPR:$false, so_imm:$imm, pred:$p),
3533 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm:$imm, imm:$cc, CCR:$ccr))*/]>,
3534 RegConstraint<"$false = $Rd">;
3536 // Two instruction predicate mov immediate.
3537 let isMoveImm = 1 in
3538 def MOVCCi32imm : ARMPseudoInst<(outs GPR:$Rd),
3539 (ins GPR:$false, i32imm:$src, pred:$p),
3540 8, IIC_iCMOVix2, []>, RegConstraint<"$false = $Rd">;
3542 let isMoveImm = 1 in
3543 def MVNCCi : ARMPseudoInst<(outs GPR:$Rd),
3544 (ins GPR:$false, so_imm:$imm, pred:$p),
3546 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm_not:$imm, imm:$cc, CCR:$ccr))*/]>,
3547 RegConstraint<"$false = $Rd">;
3548 } // neverHasSideEffects
3550 //===----------------------------------------------------------------------===//
3551 // Atomic operations intrinsics
3554 def MemBarrierOptOperand : AsmOperandClass {
3555 let Name = "MemBarrierOpt";
3556 let ParserMethod = "parseMemBarrierOptOperand";
3558 def memb_opt : Operand<i32> {
3559 let PrintMethod = "printMemBOption";
3560 let ParserMatchClass = MemBarrierOptOperand;
3563 // memory barriers protect the atomic sequences
3564 let hasSideEffects = 1 in {
3565 def DMB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
3566 "dmb", "\t$opt", [(ARMMemBarrier (i32 imm:$opt))]>,
3567 Requires<[IsARM, HasDB]> {
3569 let Inst{31-4} = 0xf57ff05;
3570 let Inst{3-0} = opt;
3574 def DSB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
3575 "dsb", "\t$opt", []>,
3576 Requires<[IsARM, HasDB]> {
3578 let Inst{31-4} = 0xf57ff04;
3579 let Inst{3-0} = opt;
3582 // ISB has only full system option
3583 def ISB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
3584 "isb", "\t$opt", []>,
3585 Requires<[IsARM, HasDB]> {
3587 let Inst{31-4} = 0xf57ff06;
3588 let Inst{3-0} = opt;
3591 let usesCustomInserter = 1 in {
3592 let Uses = [CPSR] in {
3593 def ATOMIC_LOAD_ADD_I8 : PseudoInst<
3594 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3595 [(set GPR:$dst, (atomic_load_add_8 GPR:$ptr, GPR:$incr))]>;
3596 def ATOMIC_LOAD_SUB_I8 : PseudoInst<
3597 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3598 [(set GPR:$dst, (atomic_load_sub_8 GPR:$ptr, GPR:$incr))]>;
3599 def ATOMIC_LOAD_AND_I8 : PseudoInst<
3600 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3601 [(set GPR:$dst, (atomic_load_and_8 GPR:$ptr, GPR:$incr))]>;
3602 def ATOMIC_LOAD_OR_I8 : PseudoInst<
3603 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3604 [(set GPR:$dst, (atomic_load_or_8 GPR:$ptr, GPR:$incr))]>;
3605 def ATOMIC_LOAD_XOR_I8 : PseudoInst<
3606 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3607 [(set GPR:$dst, (atomic_load_xor_8 GPR:$ptr, GPR:$incr))]>;
3608 def ATOMIC_LOAD_NAND_I8 : PseudoInst<
3609 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3610 [(set GPR:$dst, (atomic_load_nand_8 GPR:$ptr, GPR:$incr))]>;
3611 def ATOMIC_LOAD_MIN_I8 : PseudoInst<
3612 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3613 [(set GPR:$dst, (atomic_load_min_8 GPR:$ptr, GPR:$val))]>;
3614 def ATOMIC_LOAD_MAX_I8 : PseudoInst<
3615 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3616 [(set GPR:$dst, (atomic_load_max_8 GPR:$ptr, GPR:$val))]>;
3617 def ATOMIC_LOAD_UMIN_I8 : PseudoInst<
3618 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3619 [(set GPR:$dst, (atomic_load_min_8 GPR:$ptr, GPR:$val))]>;
3620 def ATOMIC_LOAD_UMAX_I8 : PseudoInst<
3621 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3622 [(set GPR:$dst, (atomic_load_max_8 GPR:$ptr, GPR:$val))]>;
3623 def ATOMIC_LOAD_ADD_I16 : PseudoInst<
3624 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3625 [(set GPR:$dst, (atomic_load_add_16 GPR:$ptr, GPR:$incr))]>;
3626 def ATOMIC_LOAD_SUB_I16 : PseudoInst<
3627 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3628 [(set GPR:$dst, (atomic_load_sub_16 GPR:$ptr, GPR:$incr))]>;
3629 def ATOMIC_LOAD_AND_I16 : PseudoInst<
3630 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3631 [(set GPR:$dst, (atomic_load_and_16 GPR:$ptr, GPR:$incr))]>;
3632 def ATOMIC_LOAD_OR_I16 : PseudoInst<
3633 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3634 [(set GPR:$dst, (atomic_load_or_16 GPR:$ptr, GPR:$incr))]>;
3635 def ATOMIC_LOAD_XOR_I16 : PseudoInst<
3636 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3637 [(set GPR:$dst, (atomic_load_xor_16 GPR:$ptr, GPR:$incr))]>;
3638 def ATOMIC_LOAD_NAND_I16 : PseudoInst<
3639 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3640 [(set GPR:$dst, (atomic_load_nand_16 GPR:$ptr, GPR:$incr))]>;
3641 def ATOMIC_LOAD_MIN_I16 : PseudoInst<
3642 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3643 [(set GPR:$dst, (atomic_load_min_16 GPR:$ptr, GPR:$val))]>;
3644 def ATOMIC_LOAD_MAX_I16 : PseudoInst<
3645 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3646 [(set GPR:$dst, (atomic_load_max_16 GPR:$ptr, GPR:$val))]>;
3647 def ATOMIC_LOAD_UMIN_I16 : PseudoInst<
3648 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3649 [(set GPR:$dst, (atomic_load_min_16 GPR:$ptr, GPR:$val))]>;
3650 def ATOMIC_LOAD_UMAX_I16 : PseudoInst<
3651 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3652 [(set GPR:$dst, (atomic_load_max_16 GPR:$ptr, GPR:$val))]>;
3653 def ATOMIC_LOAD_ADD_I32 : PseudoInst<
3654 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3655 [(set GPR:$dst, (atomic_load_add_32 GPR:$ptr, GPR:$incr))]>;
3656 def ATOMIC_LOAD_SUB_I32 : PseudoInst<
3657 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3658 [(set GPR:$dst, (atomic_load_sub_32 GPR:$ptr, GPR:$incr))]>;
3659 def ATOMIC_LOAD_AND_I32 : PseudoInst<
3660 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3661 [(set GPR:$dst, (atomic_load_and_32 GPR:$ptr, GPR:$incr))]>;
3662 def ATOMIC_LOAD_OR_I32 : PseudoInst<
3663 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3664 [(set GPR:$dst, (atomic_load_or_32 GPR:$ptr, GPR:$incr))]>;
3665 def ATOMIC_LOAD_XOR_I32 : PseudoInst<
3666 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3667 [(set GPR:$dst, (atomic_load_xor_32 GPR:$ptr, GPR:$incr))]>;
3668 def ATOMIC_LOAD_NAND_I32 : PseudoInst<
3669 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3670 [(set GPR:$dst, (atomic_load_nand_32 GPR:$ptr, GPR:$incr))]>;
3671 def ATOMIC_LOAD_MIN_I32 : PseudoInst<
3672 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3673 [(set GPR:$dst, (atomic_load_min_32 GPR:$ptr, GPR:$val))]>;
3674 def ATOMIC_LOAD_MAX_I32 : PseudoInst<
3675 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3676 [(set GPR:$dst, (atomic_load_max_32 GPR:$ptr, GPR:$val))]>;
3677 def ATOMIC_LOAD_UMIN_I32 : PseudoInst<
3678 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3679 [(set GPR:$dst, (atomic_load_min_32 GPR:$ptr, GPR:$val))]>;
3680 def ATOMIC_LOAD_UMAX_I32 : PseudoInst<
3681 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3682 [(set GPR:$dst, (atomic_load_max_32 GPR:$ptr, GPR:$val))]>;
3684 def ATOMIC_SWAP_I8 : PseudoInst<
3685 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
3686 [(set GPR:$dst, (atomic_swap_8 GPR:$ptr, GPR:$new))]>;
3687 def ATOMIC_SWAP_I16 : PseudoInst<
3688 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
3689 [(set GPR:$dst, (atomic_swap_16 GPR:$ptr, GPR:$new))]>;
3690 def ATOMIC_SWAP_I32 : PseudoInst<
3691 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
3692 [(set GPR:$dst, (atomic_swap_32 GPR:$ptr, GPR:$new))]>;
3694 def ATOMIC_CMP_SWAP_I8 : PseudoInst<
3695 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
3696 [(set GPR:$dst, (atomic_cmp_swap_8 GPR:$ptr, GPR:$old, GPR:$new))]>;
3697 def ATOMIC_CMP_SWAP_I16 : PseudoInst<
3698 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
3699 [(set GPR:$dst, (atomic_cmp_swap_16 GPR:$ptr, GPR:$old, GPR:$new))]>;
3700 def ATOMIC_CMP_SWAP_I32 : PseudoInst<
3701 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
3702 [(set GPR:$dst, (atomic_cmp_swap_32 GPR:$ptr, GPR:$old, GPR:$new))]>;
3706 let mayLoad = 1 in {
3707 def LDREXB : AIldrex<0b10, (outs GPR:$Rt), (ins addrmode7:$addr), NoItinerary,
3708 "ldrexb", "\t$Rt, $addr", []>;
3709 def LDREXH : AIldrex<0b11, (outs GPR:$Rt), (ins addrmode7:$addr), NoItinerary,
3710 "ldrexh", "\t$Rt, $addr", []>;
3711 def LDREX : AIldrex<0b00, (outs GPR:$Rt), (ins addrmode7:$addr), NoItinerary,
3712 "ldrex", "\t$Rt, $addr", []>;
3713 let hasExtraDefRegAllocReq = 1 in
3714 def LDREXD : AIldrex<0b01, (outs GPR:$Rt, GPR:$Rt2), (ins addrmode7:$addr),
3715 NoItinerary, "ldrexd", "\t$Rt, $Rt2, $addr", []>;
3718 let mayStore = 1, Constraints = "@earlyclobber $Rd" in {
3719 def STREXB : AIstrex<0b10, (outs GPR:$Rd), (ins GPR:$Rt, addrmode7:$addr),
3720 NoItinerary, "strexb", "\t$Rd, $Rt, $addr", []>;
3721 def STREXH : AIstrex<0b11, (outs GPR:$Rd), (ins GPR:$Rt, addrmode7:$addr),
3722 NoItinerary, "strexh", "\t$Rd, $Rt, $addr", []>;
3723 def STREX : AIstrex<0b00, (outs GPR:$Rd), (ins GPR:$Rt, addrmode7:$addr),
3724 NoItinerary, "strex", "\t$Rd, $Rt, $addr", []>;
3727 let hasExtraSrcRegAllocReq = 1, Constraints = "@earlyclobber $Rd" in
3728 def STREXD : AIstrex<0b01, (outs GPR:$Rd),
3729 (ins GPR:$Rt, GPR:$Rt2, addrmode7:$addr),
3730 NoItinerary, "strexd", "\t$Rd, $Rt, $Rt2, $addr", []>;
3732 // Clear-Exclusive is for disassembly only.
3733 def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex",
3734 [/* For disassembly only; pattern left blank */]>,
3735 Requires<[IsARM, HasV7]> {
3736 let Inst{31-0} = 0b11110101011111111111000000011111;
3739 // SWP/SWPB are deprecated in V6/V7.
3740 let mayLoad = 1, mayStore = 1 in {
3741 def SWP : AIswp<0, (outs GPR:$Rt), (ins GPR:$Rt2, addrmode7:$addr), "swp", []>;
3742 def SWPB: AIswp<1, (outs GPR:$Rt), (ins GPR:$Rt2, addrmode7:$addr), "swpb", []>;
3745 //===----------------------------------------------------------------------===//
3746 // Coprocessor Instructions.
3749 def CDP : ABI<0b1110, (outs), (ins p_imm:$cop, imm0_15:$opc1,
3750 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, imm0_7:$opc2),
3751 NoItinerary, "cdp", "\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
3752 [(int_arm_cdp imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
3753 imm:$CRm, imm:$opc2)]> {
3761 let Inst{3-0} = CRm;
3763 let Inst{7-5} = opc2;
3764 let Inst{11-8} = cop;
3765 let Inst{15-12} = CRd;
3766 let Inst{19-16} = CRn;
3767 let Inst{23-20} = opc1;
3770 def CDP2 : ABXI<0b1110, (outs), (ins p_imm:$cop, imm0_15:$opc1,
3771 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, imm0_7:$opc2),
3772 NoItinerary, "cdp2\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
3773 [(int_arm_cdp2 imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
3774 imm:$CRm, imm:$opc2)]> {
3775 let Inst{31-28} = 0b1111;
3783 let Inst{3-0} = CRm;
3785 let Inst{7-5} = opc2;
3786 let Inst{11-8} = cop;
3787 let Inst{15-12} = CRd;
3788 let Inst{19-16} = CRn;
3789 let Inst{23-20} = opc1;
3792 class ACI<dag oops, dag iops, string opc, string asm,
3793 IndexMode im = IndexModeNone>
3794 : InoP<oops, iops, AddrModeNone, 4, im, BrFrm, NoItinerary,
3795 opc, asm, "", [/* For disassembly only; pattern left blank */]> {
3796 let Inst{27-25} = 0b110;
3799 multiclass LdStCop<bits<4> op31_28, bit load, dag ops, string opc, string cond>{
3801 def _OFFSET : ACI<(outs),
3802 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
3803 !strconcat(opc, cond), "\tp$cop, cr$CRd, $addr"> {
3804 let Inst{31-28} = op31_28;
3805 let Inst{24} = 1; // P = 1
3806 let Inst{21} = 0; // W = 0
3807 let Inst{22} = 0; // D = 0
3808 let Inst{20} = load;
3811 def _PRE : ACI<(outs),
3812 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
3813 !strconcat(opc, cond), "\tp$cop, cr$CRd, $addr!", IndexModePre> {
3814 let Inst{31-28} = op31_28;
3815 let Inst{24} = 1; // P = 1
3816 let Inst{21} = 1; // W = 1
3817 let Inst{22} = 0; // D = 0
3818 let Inst{20} = load;
3821 def _POST : ACI<(outs),
3822 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
3823 !strconcat(opc, cond), "\tp$cop, cr$CRd, $addr", IndexModePost> {
3824 let Inst{31-28} = op31_28;
3825 let Inst{24} = 0; // P = 0
3826 let Inst{21} = 1; // W = 1
3827 let Inst{22} = 0; // D = 0
3828 let Inst{20} = load;
3831 def _OPTION : ACI<(outs),
3832 !con((ins nohash_imm:$cop,nohash_imm:$CRd,GPR:$base, nohash_imm:$option),
3834 !strconcat(opc, cond), "\tp$cop, cr$CRd, [$base], \\{$option\\}"> {
3835 let Inst{31-28} = op31_28;
3836 let Inst{24} = 0; // P = 0
3837 let Inst{23} = 1; // U = 1
3838 let Inst{21} = 0; // W = 0
3839 let Inst{22} = 0; // D = 0
3840 let Inst{20} = load;
3843 def L_OFFSET : ACI<(outs),
3844 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
3845 !strconcat(!strconcat(opc, "l"), cond), "\tp$cop, cr$CRd, $addr"> {
3846 let Inst{31-28} = op31_28;
3847 let Inst{24} = 1; // P = 1
3848 let Inst{21} = 0; // W = 0
3849 let Inst{22} = 1; // D = 1
3850 let Inst{20} = load;
3853 def L_PRE : ACI<(outs),
3854 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
3855 !strconcat(!strconcat(opc, "l"), cond), "\tp$cop, cr$CRd, $addr!",
3857 let Inst{31-28} = op31_28;
3858 let Inst{24} = 1; // P = 1
3859 let Inst{21} = 1; // W = 1
3860 let Inst{22} = 1; // D = 1
3861 let Inst{20} = load;
3864 def L_POST : ACI<(outs),
3865 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
3866 !strconcat(!strconcat(opc, "l"), cond), "\tp$cop, cr$CRd, $addr",
3868 let Inst{31-28} = op31_28;
3869 let Inst{24} = 0; // P = 0
3870 let Inst{21} = 1; // W = 1
3871 let Inst{22} = 1; // D = 1
3872 let Inst{20} = load;
3875 def L_OPTION : ACI<(outs),
3876 !con((ins nohash_imm:$cop, nohash_imm:$CRd,GPR:$base,nohash_imm:$option),
3878 !strconcat(!strconcat(opc, "l"), cond),
3879 "\tp$cop, cr$CRd, [$base], \\{$option\\}"> {
3880 let Inst{31-28} = op31_28;
3881 let Inst{24} = 0; // P = 0
3882 let Inst{23} = 1; // U = 1
3883 let Inst{21} = 0; // W = 0
3884 let Inst{22} = 1; // D = 1
3885 let Inst{20} = load;
3889 defm LDC : LdStCop<{?,?,?,?}, 1, (ins pred:$p), "ldc", "${p}">;
3890 defm LDC2 : LdStCop<0b1111, 1, (ins), "ldc2", "">;
3891 defm STC : LdStCop<{?,?,?,?}, 0, (ins pred:$p), "stc", "${p}">;
3892 defm STC2 : LdStCop<0b1111, 0, (ins), "stc2", "">;
3894 //===----------------------------------------------------------------------===//
3895 // Move between coprocessor and ARM core register -- for disassembly only
3898 class MovRCopro<string opc, bit direction, dag oops, dag iops,
3900 : ABI<0b1110, oops, iops, NoItinerary, opc,
3901 "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2", pattern> {
3902 let Inst{20} = direction;
3912 let Inst{15-12} = Rt;
3913 let Inst{11-8} = cop;
3914 let Inst{23-21} = opc1;
3915 let Inst{7-5} = opc2;
3916 let Inst{3-0} = CRm;
3917 let Inst{19-16} = CRn;
3920 def MCR : MovRCopro<"mcr", 0 /* from ARM core register to coprocessor */,
3922 (ins p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
3923 c_imm:$CRm, imm0_7:$opc2),
3924 [(int_arm_mcr imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
3925 imm:$CRm, imm:$opc2)]>;
3926 def MRC : MovRCopro<"mrc", 1 /* from coprocessor to ARM core register */,
3928 (ins p_imm:$cop, imm0_7:$opc1, c_imm:$CRn, c_imm:$CRm,
3931 def : ARMPat<(int_arm_mrc imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2),
3932 (MRC imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
3934 class MovRCopro2<string opc, bit direction, dag oops, dag iops,
3936 : ABXI<0b1110, oops, iops, NoItinerary,
3937 !strconcat(opc, "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2"), pattern> {
3938 let Inst{31-28} = 0b1111;
3939 let Inst{20} = direction;
3949 let Inst{15-12} = Rt;
3950 let Inst{11-8} = cop;
3951 let Inst{23-21} = opc1;
3952 let Inst{7-5} = opc2;
3953 let Inst{3-0} = CRm;
3954 let Inst{19-16} = CRn;
3957 def MCR2 : MovRCopro2<"mcr2", 0 /* from ARM core register to coprocessor */,
3959 (ins p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
3960 c_imm:$CRm, imm0_7:$opc2),
3961 [(int_arm_mcr2 imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
3962 imm:$CRm, imm:$opc2)]>;
3963 def MRC2 : MovRCopro2<"mrc2", 1 /* from coprocessor to ARM core register */,
3965 (ins p_imm:$cop, imm0_7:$opc1, c_imm:$CRn, c_imm:$CRm,
3968 def : ARMV5TPat<(int_arm_mrc2 imm:$cop, imm:$opc1, imm:$CRn,
3969 imm:$CRm, imm:$opc2),
3970 (MRC2 imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
3972 class MovRRCopro<string opc, bit direction,
3973 list<dag> pattern = [/* For disassembly only */]>
3974 : ABI<0b1100, (outs), (ins p_imm:$cop, imm0_15:$opc1,
3975 GPR:$Rt, GPR:$Rt2, c_imm:$CRm),
3976 NoItinerary, opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm", pattern> {
3977 let Inst{23-21} = 0b010;
3978 let Inst{20} = direction;
3986 let Inst{15-12} = Rt;
3987 let Inst{19-16} = Rt2;
3988 let Inst{11-8} = cop;
3989 let Inst{7-4} = opc1;
3990 let Inst{3-0} = CRm;
3993 def MCRR : MovRRCopro<"mcrr", 0 /* from ARM core register to coprocessor */,
3994 [(int_arm_mcrr imm:$cop, imm:$opc1, GPR:$Rt, GPR:$Rt2,
3996 def MRRC : MovRRCopro<"mrrc", 1 /* from coprocessor to ARM core register */>;
3998 class MovRRCopro2<string opc, bit direction,
3999 list<dag> pattern = [/* For disassembly only */]>
4000 : ABXI<0b1100, (outs), (ins p_imm:$cop, imm0_15:$opc1,
4001 GPR:$Rt, GPR:$Rt2, c_imm:$CRm), NoItinerary,
4002 !strconcat(opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm"), pattern> {
4003 let Inst{31-28} = 0b1111;
4004 let Inst{23-21} = 0b010;
4005 let Inst{20} = direction;
4013 let Inst{15-12} = Rt;
4014 let Inst{19-16} = Rt2;
4015 let Inst{11-8} = cop;
4016 let Inst{7-4} = opc1;
4017 let Inst{3-0} = CRm;
4020 def MCRR2 : MovRRCopro2<"mcrr2", 0 /* from ARM core register to coprocessor */,
4021 [(int_arm_mcrr2 imm:$cop, imm:$opc1, GPR:$Rt, GPR:$Rt2,
4023 def MRRC2 : MovRRCopro2<"mrrc2", 1 /* from coprocessor to ARM core register */>;
4025 //===----------------------------------------------------------------------===//
4026 // Move between special register and ARM core register
4029 // Move to ARM core register from Special Register
4030 def MRS : ABI<0b0001, (outs GPR:$Rd), (ins), NoItinerary,
4031 "mrs", "\t$Rd, apsr", []> {
4033 let Inst{23-16} = 0b00001111;
4034 let Inst{15-12} = Rd;
4035 let Inst{7-4} = 0b0000;
4038 def : InstAlias<"mrs${p} $Rd, cpsr", (MRS GPR:$Rd, pred:$p)>, Requires<[IsARM]>;
4040 def MRSsys : ABI<0b0001, (outs GPR:$Rd), (ins), NoItinerary,
4041 "mrs", "\t$Rd, spsr", []> {
4043 let Inst{23-16} = 0b01001111;
4044 let Inst{15-12} = Rd;
4045 let Inst{7-4} = 0b0000;
4048 // Move from ARM core register to Special Register
4050 // No need to have both system and application versions, the encodings are the
4051 // same and the assembly parser has no way to distinguish between them. The mask
4052 // operand contains the special register (R Bit) in bit 4 and bits 3-0 contains
4053 // the mask with the fields to be accessed in the special register.
4054 def MSR : ABI<0b0001, (outs), (ins msr_mask:$mask, GPR:$Rn), NoItinerary,
4055 "msr", "\t$mask, $Rn", []> {
4060 let Inst{22} = mask{4}; // R bit
4061 let Inst{21-20} = 0b10;
4062 let Inst{19-16} = mask{3-0};
4063 let Inst{15-12} = 0b1111;
4064 let Inst{11-4} = 0b00000000;
4068 def MSRi : ABI<0b0011, (outs), (ins msr_mask:$mask, so_imm:$a), NoItinerary,
4069 "msr", "\t$mask, $a", []> {
4074 let Inst{22} = mask{4}; // R bit
4075 let Inst{21-20} = 0b10;
4076 let Inst{19-16} = mask{3-0};
4077 let Inst{15-12} = 0b1111;
4081 //===----------------------------------------------------------------------===//
4085 // __aeabi_read_tp preserves the registers r1-r3.
4086 // This is a pseudo inst so that we can get the encoding right,
4087 // complete with fixup for the aeabi_read_tp function.
4089 Defs = [R0, R12, LR, CPSR], Uses = [SP] in {
4090 def TPsoft : PseudoInst<(outs), (ins), IIC_Br,
4091 [(set R0, ARMthread_pointer)]>;
4094 //===----------------------------------------------------------------------===//
4095 // SJLJ Exception handling intrinsics
4096 // eh_sjlj_setjmp() is an instruction sequence to store the return
4097 // address and save #0 in R0 for the non-longjmp case.
4098 // Since by its nature we may be coming from some other function to get
4099 // here, and we're using the stack frame for the containing function to
4100 // save/restore registers, we can't keep anything live in regs across
4101 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
4102 // when we get here from a longjmp(). We force everything out of registers
4103 // except for our own input by listing the relevant registers in Defs. By
4104 // doing so, we also cause the prologue/epilogue code to actively preserve
4105 // all of the callee-saved resgisters, which is exactly what we want.
4106 // A constant value is passed in $val, and we use the location as a scratch.
4108 // These are pseudo-instructions and are lowered to individual MC-insts, so
4109 // no encoding information is necessary.
4111 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR,
4112 QQQQ0, QQQQ1, QQQQ2, QQQQ3 ], hasSideEffects = 1, isBarrier = 1 in {
4113 def Int_eh_sjlj_setjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
4115 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
4116 Requires<[IsARM, HasVFP2]>;
4120 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR ],
4121 hasSideEffects = 1, isBarrier = 1 in {
4122 def Int_eh_sjlj_setjmp_nofp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
4124 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
4125 Requires<[IsARM, NoVFP]>;
4128 // FIXME: Non-Darwin version(s)
4129 let isBarrier = 1, hasSideEffects = 1, isTerminator = 1,
4130 Defs = [ R7, LR, SP ] in {
4131 def Int_eh_sjlj_longjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$scratch),
4133 [(ARMeh_sjlj_longjmp GPR:$src, GPR:$scratch)]>,
4134 Requires<[IsARM, IsDarwin]>;
4137 // eh.sjlj.dispatchsetup pseudo-instruction.
4138 // This pseudo is used for ARM, Thumb1 and Thumb2. Any differences are
4139 // handled when the pseudo is expanded (which happens before any passes
4140 // that need the instruction size).
4141 let isBarrier = 1, hasSideEffects = 1 in
4142 def Int_eh_sjlj_dispatchsetup :
4143 PseudoInst<(outs), (ins GPR:$src), NoItinerary,
4144 [(ARMeh_sjlj_dispatchsetup GPR:$src)]>,
4145 Requires<[IsDarwin]>;
4147 //===----------------------------------------------------------------------===//
4148 // Non-Instruction Patterns
4151 // ARMv4 indirect branch using (MOVr PC, dst)
4152 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in
4153 def MOVPCRX : ARMPseudoExpand<(outs), (ins GPR:$dst),
4154 4, IIC_Br, [(brind GPR:$dst)],
4155 (MOVr PC, GPR:$dst, (ops 14, zero_reg), zero_reg)>,
4156 Requires<[IsARM, NoV4T]>;
4158 // Large immediate handling.
4160 // 32-bit immediate using two piece so_imms or movw + movt.
4161 // This is a single pseudo instruction, the benefit is that it can be remat'd
4162 // as a single unit instead of having to handle reg inputs.
4163 // FIXME: Remove this when we can do generalized remat.
4164 let isReMaterializable = 1, isMoveImm = 1 in
4165 def MOVi32imm : PseudoInst<(outs GPR:$dst), (ins i32imm:$src), IIC_iMOVix2,
4166 [(set GPR:$dst, (arm_i32imm:$src))]>,
4169 // Pseudo instruction that combines movw + movt + add pc (if PIC).
4170 // It also makes it possible to rematerialize the instructions.
4171 // FIXME: Remove this when we can do generalized remat and when machine licm
4172 // can properly the instructions.
4173 let isReMaterializable = 1 in {
4174 def MOV_ga_pcrel : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
4176 [(set GPR:$dst, (ARMWrapperPIC tglobaladdr:$addr))]>,
4177 Requires<[IsARM, UseMovt]>;
4179 def MOV_ga_dyn : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
4181 [(set GPR:$dst, (ARMWrapperDYN tglobaladdr:$addr))]>,
4182 Requires<[IsARM, UseMovt]>;
4184 let AddedComplexity = 10 in
4185 def MOV_ga_pcrel_ldr : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
4187 [(set GPR:$dst, (load (ARMWrapperPIC tglobaladdr:$addr)))]>,
4188 Requires<[IsARM, UseMovt]>;
4189 } // isReMaterializable
4191 // ConstantPool, GlobalAddress, and JumpTable
4192 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>,
4193 Requires<[IsARM, DontUseMovt]>;
4194 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
4195 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
4196 Requires<[IsARM, UseMovt]>;
4197 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
4198 (LEApcrelJT tjumptable:$dst, imm:$id)>;
4200 // TODO: add,sub,and, 3-instr forms?
4203 def : ARMPat<(ARMtcret tcGPR:$dst),
4204 (TCRETURNri tcGPR:$dst)>, Requires<[IsDarwin]>;
4206 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
4207 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
4209 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
4210 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
4212 def : ARMPat<(ARMtcret tcGPR:$dst),
4213 (TCRETURNriND tcGPR:$dst)>, Requires<[IsNotDarwin]>;
4215 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
4216 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
4218 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
4219 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
4222 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>,
4223 Requires<[IsARM, IsNotDarwin]>;
4224 def : ARMPat<(ARMcall texternalsym:$func), (BLr9 texternalsym:$func)>,
4225 Requires<[IsARM, IsDarwin]>;
4227 // zextload i1 -> zextload i8
4228 def : ARMPat<(zextloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
4229 def : ARMPat<(zextloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
4231 // extload -> zextload
4232 def : ARMPat<(extloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
4233 def : ARMPat<(extloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
4234 def : ARMPat<(extloadi8 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
4235 def : ARMPat<(extloadi8 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
4237 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
4239 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
4240 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
4243 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
4244 (sra (shl GPR:$b, (i32 16)), (i32 16))),
4245 (SMULBB GPR:$a, GPR:$b)>;
4246 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
4247 (SMULBB GPR:$a, GPR:$b)>;
4248 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
4249 (sra GPR:$b, (i32 16))),
4250 (SMULBT GPR:$a, GPR:$b)>;
4251 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
4252 (SMULBT GPR:$a, GPR:$b)>;
4253 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
4254 (sra (shl GPR:$b, (i32 16)), (i32 16))),
4255 (SMULTB GPR:$a, GPR:$b)>;
4256 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
4257 (SMULTB GPR:$a, GPR:$b)>;
4258 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
4260 (SMULWB GPR:$a, GPR:$b)>;
4261 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
4262 (SMULWB GPR:$a, GPR:$b)>;
4264 def : ARMV5TEPat<(add GPR:$acc,
4265 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
4266 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
4267 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
4268 def : ARMV5TEPat<(add GPR:$acc,
4269 (mul sext_16_node:$a, sext_16_node:$b)),
4270 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
4271 def : ARMV5TEPat<(add GPR:$acc,
4272 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
4273 (sra GPR:$b, (i32 16)))),
4274 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
4275 def : ARMV5TEPat<(add GPR:$acc,
4276 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
4277 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
4278 def : ARMV5TEPat<(add GPR:$acc,
4279 (mul (sra GPR:$a, (i32 16)),
4280 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
4281 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
4282 def : ARMV5TEPat<(add GPR:$acc,
4283 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
4284 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
4285 def : ARMV5TEPat<(add GPR:$acc,
4286 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
4288 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
4289 def : ARMV5TEPat<(add GPR:$acc,
4290 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
4291 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
4294 // Pre-v7 uses MCR for synchronization barriers.
4295 def : ARMPat<(ARMMemBarrierMCR GPR:$zero), (MCR 15, 0, GPR:$zero, 7, 10, 5)>,
4296 Requires<[IsARM, HasV6]>;
4298 // SXT/UXT with no rotate
4299 let AddedComplexity = 16 in {
4300 def : ARMV6Pat<(and GPR:$Src, 0x000000FF), (UXTB GPR:$Src, 0)>;
4301 def : ARMV6Pat<(and GPR:$Src, 0x0000FFFF), (UXTH GPR:$Src, 0)>;
4302 def : ARMV6Pat<(and GPR:$Src, 0x00FF00FF), (UXTB16 GPR:$Src, 0)>;
4303 def : ARMV6Pat<(add GPR:$Rn, (and GPR:$Rm, 0x00FF)),
4304 (UXTAB GPR:$Rn, GPR:$Rm, 0)>;
4305 def : ARMV6Pat<(add GPR:$Rn, (and GPR:$Rm, 0xFFFF)),
4306 (UXTAH GPR:$Rn, GPR:$Rm, 0)>;
4309 def : ARMV6Pat<(sext_inreg GPR:$Src, i8), (SXTB GPR:$Src, 0)>;
4310 def : ARMV6Pat<(sext_inreg GPR:$Src, i16), (SXTH GPR:$Src, 0)>;
4312 def : ARMV6Pat<(add GPR:$Rn, (sext_inreg GPR:$Rm, i8)),
4313 (SXTAB GPR:$Rn, GPR:$Rm, 0)>;
4314 def : ARMV6Pat<(add GPR:$Rn, (sext_inreg GPR:$Rm, i16)),
4315 (SXTAH GPR:$Rn, GPR:$Rm, 0)>;
4317 //===----------------------------------------------------------------------===//
4321 include "ARMInstrThumb.td"
4323 //===----------------------------------------------------------------------===//
4327 include "ARMInstrThumb2.td"
4329 //===----------------------------------------------------------------------===//
4330 // Floating Point Support
4333 include "ARMInstrVFP.td"
4335 //===----------------------------------------------------------------------===//
4336 // Advanced SIMD (NEON) Support
4339 include "ARMInstrNEON.td"
4341 //===----------------------------------------------------------------------===//
4342 // Assembler aliases
4346 def : InstAlias<"dmb", (DMB 0xf)>, Requires<[IsARM, HasDB]>;
4347 def : InstAlias<"dsb", (DSB 0xf)>, Requires<[IsARM, HasDB]>;
4348 def : InstAlias<"isb", (ISB 0xf)>, Requires<[IsARM, HasDB]>;
4350 // System instructions
4351 def : MnemonicAlias<"swi", "svc">;
4353 // Load / Store Multiple
4354 def : MnemonicAlias<"ldmfd", "ldm">;
4355 def : MnemonicAlias<"ldmia", "ldm">;
4356 def : MnemonicAlias<"stmfd", "stmdb">;
4357 def : MnemonicAlias<"stmia", "stm">;
4358 def : MnemonicAlias<"stmea", "stm">;
4360 // PKHBT/PKHTB with default shift amount. PKHTB is equivalent to PKHBT when the
4361 // shift amount is zero (i.e., unspecified).
4362 def : InstAlias<"pkhbt${p} $Rd, $Rn, $Rm",
4363 (PKHBT GPR:$Rd, GPR:$Rn, GPR:$Rm, 0, pred:$p)>;
4364 def : InstAlias<"pkhtb${p} $Rd, $Rn, $Rm",
4365 (PKHBT GPR:$Rd, GPR:$Rn, GPR:$Rm, 0, pred:$p)>;
4367 // PUSH/POP aliases for STM/LDM
4368 def : InstAlias<"push${p} $regs",
4369 (STMDB_UPD SP, pred:$p, reglist:$regs)>;
4370 def : InstAlias<"pop${p} $regs",
4371 (LDMIA_UPD SP, pred:$p, reglist:$regs)>;
4373 // RSB two-operand forms (optional explicit destination operand)
4374 def : InstAlias<"rsb${s}${p} $Rdn, $imm",
4375 (RSBri GPR:$Rdn, GPR:$Rdn, so_imm:$imm, pred:$p, cc_out:$s)>,
4377 def : InstAlias<"rsb${s}${p} $Rdn, $Rm",
4378 (RSBrr GPR:$Rdn, GPR:$Rdn, GPR:$Rm, pred:$p, cc_out:$s)>,
4380 def : InstAlias<"rsb${s}${p} $Rdn, $shift",
4381 (RSBrsi GPR:$Rdn, GPR:$Rdn, so_reg_imm:$shift, pred:$p,
4382 cc_out:$s)>, Requires<[IsARM]>;
4383 def : InstAlias<"rsb${s}${p} $Rdn, $shift",
4384 (RSBrsr GPR:$Rdn, GPR:$Rdn, so_reg_reg:$shift, pred:$p,
4385 cc_out:$s)>, Requires<[IsARM]>;
4386 // RSC two-operand forms (optional explicit destination operand)
4387 def : InstAlias<"rsc${s}${p} $Rdn, $imm",
4388 (RSCri GPR:$Rdn, GPR:$Rdn, so_imm:$imm, pred:$p, cc_out:$s)>,
4390 def : InstAlias<"rsc${s}${p} $Rdn, $Rm",
4391 (RSCrr GPR:$Rdn, GPR:$Rdn, GPR:$Rm, pred:$p, cc_out:$s)>,
4393 def : InstAlias<"rsc${s}${p} $Rdn, $shift",
4394 (RSCrsi GPR:$Rdn, GPR:$Rdn, so_reg_imm:$shift, pred:$p,
4395 cc_out:$s)>, Requires<[IsARM]>;
4396 def : InstAlias<"rsc${s}${p} $Rdn, $shift",
4397 (RSCrsr GPR:$Rdn, GPR:$Rdn, so_reg_reg:$shift, pred:$p,
4398 cc_out:$s)>, Requires<[IsARM]>;
4400 // SSAT/USAT optional shift operand.
4401 def : InstAlias<"ssat${p} $Rd, $sat_imm, $Rn",
4402 (SSAT GPR:$Rd, imm1_32:$sat_imm, GPR:$Rn, 0, pred:$p)>;
4403 def : InstAlias<"usat${p} $Rd, $sat_imm, $Rn",
4404 (USAT GPR:$Rd, imm0_31:$sat_imm, GPR:$Rn, 0, pred:$p)>;
4407 // Extend instruction optional rotate operand.
4408 def : InstAlias<"sxtab${p} $Rd, $Rn, $Rm",
4409 (SXTAB GPR:$Rd, GPR:$Rn, GPR:$Rm, 0, pred:$p)>;
4410 def : InstAlias<"sxtah${p} $Rd, $Rn, $Rm",
4411 (SXTAH GPR:$Rd, GPR:$Rn, GPR:$Rm, 0, pred:$p)>;
4412 def : InstAlias<"sxtab16${p} $Rd, $Rn, $Rm",
4413 (SXTAB16 GPR:$Rd, GPR:$Rn, GPR:$Rm, 0, pred:$p)>;
4414 def : InstAlias<"sxtb${p} $Rd, $Rm", (SXTB GPR:$Rd, GPR:$Rm, 0, pred:$p)>;
4415 def : InstAlias<"sxtb16${p} $Rd, $Rm", (SXTB16 GPR:$Rd, GPR:$Rm, 0, pred:$p)>;
4416 def : InstAlias<"sxth${p} $Rd, $Rm", (SXTH GPR:$Rd, GPR:$Rm, 0, pred:$p)>;
4418 def : InstAlias<"uxtab${p} $Rd, $Rn, $Rm",
4419 (UXTAB GPR:$Rd, GPR:$Rn, GPR:$Rm, 0, pred:$p)>;
4420 def : InstAlias<"uxtah${p} $Rd, $Rn, $Rm",
4421 (UXTAH GPR:$Rd, GPR:$Rn, GPR:$Rm, 0, pred:$p)>;
4422 def : InstAlias<"uxtab16${p} $Rd, $Rn, $Rm",
4423 (UXTAB16 GPR:$Rd, GPR:$Rn, GPR:$Rm, 0, pred:$p)>;
4424 def : InstAlias<"uxtb${p} $Rd, $Rm", (UXTB GPR:$Rd, GPR:$Rm, 0, pred:$p)>;
4425 def : InstAlias<"uxtb16${p} $Rd, $Rm", (UXTB16 GPR:$Rd, GPR:$Rm, 0, pred:$p)>;
4426 def : InstAlias<"uxth${p} $Rd, $Rm", (UXTH GPR:$Rd, GPR:$Rm, 0, pred:$p)>;