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 BitfieldAsmOperand : AsmOperandClass {
540 let Name = "Bitfield";
541 let ParserMethod = "parseBitfield";
543 def bf_inv_mask_imm : Operand<i32>,
545 return ARM::isBitFieldInvertedMask(N->getZExtValue());
547 let EncoderMethod = "getBitfieldInvertedMaskOpValue";
548 let PrintMethod = "printBitfieldInvMaskImmOperand";
549 let ParserMatchClass = BitfieldAsmOperand;
552 /// lsb_pos_imm - position of the lsb bit, used by BFI4p and t2BFI4p
553 def lsb_pos_imm : Operand<i32>, ImmLeaf<i32, [{
554 return isInt<5>(Imm);
557 /// width_imm - number of bits to be copied, used by BFI4p and t2BFI4p
558 def width_imm : Operand<i32>, ImmLeaf<i32, [{
559 return Imm > 0 && Imm <= 32;
561 let EncoderMethod = "getMsbOpValue";
564 def imm1_32_XFORM: SDNodeXForm<imm, [{
565 return CurDAG->getTargetConstant((int)N->getZExtValue() - 1, MVT::i32);
567 def Imm1_32AsmOperand: AsmOperandClass { let Name = "Imm1_32"; }
568 def imm1_32 : Operand<i32>, PatLeaf<(imm), [{ return Imm > 0 && Imm <= 32; }],
570 let PrintMethod = "printImmPlusOneOperand";
571 let ParserMatchClass = Imm1_32AsmOperand;
574 def imm1_16_XFORM: SDNodeXForm<imm, [{
575 return CurDAG->getTargetConstant((int)N->getZExtValue() - 1, MVT::i32);
577 def Imm1_16AsmOperand: AsmOperandClass { let Name = "Imm1_16"; }
578 def imm1_16 : Operand<i32>, PatLeaf<(imm), [{ return Imm > 0 && Imm <= 16; }],
580 let PrintMethod = "printImmPlusOneOperand";
581 let ParserMatchClass = Imm1_16AsmOperand;
584 // Define ARM specific addressing modes.
585 // addrmode_imm12 := reg +/- imm12
587 def addrmode_imm12 : Operand<i32>,
588 ComplexPattern<i32, 2, "SelectAddrModeImm12", []> {
589 // 12-bit immediate operand. Note that instructions using this encode
590 // #0 and #-0 differently. We flag #-0 as the magic value INT32_MIN. All other
591 // immediate values are as normal.
593 let EncoderMethod = "getAddrModeImm12OpValue";
594 let PrintMethod = "printAddrModeImm12Operand";
595 let MIOperandInfo = (ops GPR:$base, i32imm:$offsimm);
597 // ldst_so_reg := reg +/- reg shop imm
599 def ldst_so_reg : Operand<i32>,
600 ComplexPattern<i32, 3, "SelectLdStSOReg", []> {
601 let EncoderMethod = "getLdStSORegOpValue";
602 // FIXME: Simplify the printer
603 let PrintMethod = "printAddrMode2Operand";
604 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
607 // addrmode2 := reg +/- imm12
608 // := reg +/- reg shop imm
610 def MemMode2AsmOperand : AsmOperandClass {
611 let Name = "MemMode2";
612 let ParserMethod = "parseMemMode2Operand";
614 def addrmode2 : Operand<i32>,
615 ComplexPattern<i32, 3, "SelectAddrMode2", []> {
616 let EncoderMethod = "getAddrMode2OpValue";
617 let PrintMethod = "printAddrMode2Operand";
618 let ParserMatchClass = MemMode2AsmOperand;
619 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
622 def am2offset_reg : Operand<i32>,
623 ComplexPattern<i32, 2, "SelectAddrMode2OffsetReg",
624 [], [SDNPWantRoot]> {
625 let EncoderMethod = "getAddrMode2OffsetOpValue";
626 let PrintMethod = "printAddrMode2OffsetOperand";
627 let MIOperandInfo = (ops GPR, i32imm);
630 def am2offset_imm : Operand<i32>,
631 ComplexPattern<i32, 2, "SelectAddrMode2OffsetImm",
632 [], [SDNPWantRoot]> {
633 let EncoderMethod = "getAddrMode2OffsetOpValue";
634 let PrintMethod = "printAddrMode2OffsetOperand";
635 let MIOperandInfo = (ops GPR, i32imm);
639 // addrmode3 := reg +/- reg
640 // addrmode3 := reg +/- imm8
642 def MemMode3AsmOperand : AsmOperandClass {
643 let Name = "MemMode3";
644 let ParserMethod = "parseMemMode3Operand";
646 def addrmode3 : Operand<i32>,
647 ComplexPattern<i32, 3, "SelectAddrMode3", []> {
648 let EncoderMethod = "getAddrMode3OpValue";
649 let PrintMethod = "printAddrMode3Operand";
650 let ParserMatchClass = MemMode3AsmOperand;
651 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
654 def am3offset : Operand<i32>,
655 ComplexPattern<i32, 2, "SelectAddrMode3Offset",
656 [], [SDNPWantRoot]> {
657 let EncoderMethod = "getAddrMode3OffsetOpValue";
658 let PrintMethod = "printAddrMode3OffsetOperand";
659 let MIOperandInfo = (ops GPR, i32imm);
662 // ldstm_mode := {ia, ib, da, db}
664 def ldstm_mode : OptionalDefOperand<OtherVT, (ops i32), (ops (i32 1))> {
665 let EncoderMethod = "getLdStmModeOpValue";
666 let PrintMethod = "printLdStmModeOperand";
669 // addrmode5 := reg +/- imm8*4
671 def MemMode5AsmOperand : AsmOperandClass { let Name = "MemMode5"; }
672 def addrmode5 : Operand<i32>,
673 ComplexPattern<i32, 2, "SelectAddrMode5", []> {
674 let PrintMethod = "printAddrMode5Operand";
675 let MIOperandInfo = (ops GPR:$base, i32imm);
676 let ParserMatchClass = MemMode5AsmOperand;
677 let EncoderMethod = "getAddrMode5OpValue";
680 // addrmode6 := reg with optional alignment
682 def addrmode6 : Operand<i32>,
683 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
684 let PrintMethod = "printAddrMode6Operand";
685 let MIOperandInfo = (ops GPR:$addr, i32imm);
686 let EncoderMethod = "getAddrMode6AddressOpValue";
689 def am6offset : Operand<i32>,
690 ComplexPattern<i32, 1, "SelectAddrMode6Offset",
691 [], [SDNPWantRoot]> {
692 let PrintMethod = "printAddrMode6OffsetOperand";
693 let MIOperandInfo = (ops GPR);
694 let EncoderMethod = "getAddrMode6OffsetOpValue";
697 // Special version of addrmode6 to handle alignment encoding for VST1/VLD1
698 // (single element from one lane) for size 32.
699 def addrmode6oneL32 : Operand<i32>,
700 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
701 let PrintMethod = "printAddrMode6Operand";
702 let MIOperandInfo = (ops GPR:$addr, i32imm);
703 let EncoderMethod = "getAddrMode6OneLane32AddressOpValue";
706 // Special version of addrmode6 to handle alignment encoding for VLD-dup
707 // instructions, specifically VLD4-dup.
708 def addrmode6dup : Operand<i32>,
709 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
710 let PrintMethod = "printAddrMode6Operand";
711 let MIOperandInfo = (ops GPR:$addr, i32imm);
712 let EncoderMethod = "getAddrMode6DupAddressOpValue";
715 // addrmodepc := pc + reg
717 def addrmodepc : Operand<i32>,
718 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
719 let PrintMethod = "printAddrModePCOperand";
720 let MIOperandInfo = (ops GPR, i32imm);
724 // Used by load/store exclusive instructions. Useful to enable right assembly
725 // parsing and printing. Not used for any codegen matching.
727 def MemMode7AsmOperand : AsmOperandClass { let Name = "MemMode7"; }
728 def addrmode7 : Operand<i32> {
729 let PrintMethod = "printAddrMode7Operand";
730 let MIOperandInfo = (ops GPR);
731 let ParserMatchClass = MemMode7AsmOperand;
734 def nohash_imm : Operand<i32> {
735 let PrintMethod = "printNoHashImmediate";
738 def CoprocNumAsmOperand : AsmOperandClass {
739 let Name = "CoprocNum";
740 let ParserMethod = "parseCoprocNumOperand";
742 def p_imm : Operand<i32> {
743 let PrintMethod = "printPImmediate";
744 let ParserMatchClass = CoprocNumAsmOperand;
747 def CoprocRegAsmOperand : AsmOperandClass {
748 let Name = "CoprocReg";
749 let ParserMethod = "parseCoprocRegOperand";
751 def c_imm : Operand<i32> {
752 let PrintMethod = "printCImmediate";
753 let ParserMatchClass = CoprocRegAsmOperand;
756 //===----------------------------------------------------------------------===//
758 include "ARMInstrFormats.td"
760 //===----------------------------------------------------------------------===//
761 // Multiclass helpers...
764 /// AsI1_bin_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns for a
765 /// binop that produces a value.
766 multiclass AsI1_bin_irs<bits<4> opcod, string opc,
767 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
768 PatFrag opnode, string baseOpc, bit Commutable = 0> {
769 // The register-immediate version is re-materializable. This is useful
770 // in particular for taking the address of a local.
771 let isReMaterializable = 1 in {
772 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
773 iii, opc, "\t$Rd, $Rn, $imm",
774 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]> {
779 let Inst{19-16} = Rn;
780 let Inst{15-12} = Rd;
781 let Inst{11-0} = imm;
784 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
785 iir, opc, "\t$Rd, $Rn, $Rm",
786 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
791 let isCommutable = Commutable;
792 let Inst{19-16} = Rn;
793 let Inst{15-12} = Rd;
794 let Inst{11-4} = 0b00000000;
798 def rsi : AsI1<opcod, (outs GPR:$Rd),
799 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm,
800 iis, opc, "\t$Rd, $Rn, $shift",
801 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_imm:$shift))]> {
806 let Inst{19-16} = Rn;
807 let Inst{15-12} = Rd;
808 let Inst{11-5} = shift{11-5};
810 let Inst{3-0} = shift{3-0};
813 def rsr : AsI1<opcod, (outs GPR:$Rd),
814 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm,
815 iis, opc, "\t$Rd, $Rn, $shift",
816 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_reg:$shift))]> {
821 let Inst{19-16} = Rn;
822 let Inst{15-12} = Rd;
823 let Inst{11-8} = shift{11-8};
825 let Inst{6-5} = shift{6-5};
827 let Inst{3-0} = shift{3-0};
830 // Assembly aliases for optional destination operand when it's the same
831 // as the source operand.
832 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $imm"),
833 (!cast<Instruction>(!strconcat(baseOpc, "ri")) GPR:$Rdn, GPR:$Rdn,
834 so_imm:$imm, pred:$p,
837 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $Rm"),
838 (!cast<Instruction>(!strconcat(baseOpc, "rr")) GPR:$Rdn, GPR:$Rdn,
842 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
843 (!cast<Instruction>(!strconcat(baseOpc, "rsi")) GPR:$Rdn, GPR:$Rdn,
844 so_reg_imm:$shift, pred:$p,
847 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
848 (!cast<Instruction>(!strconcat(baseOpc, "rsr")) GPR:$Rdn, GPR:$Rdn,
849 so_reg_reg:$shift, pred:$p,
855 /// AI1_bin_s_irs - Similar to AsI1_bin_irs except it sets the 's' bit so the
856 /// instruction modifies the CPSR register.
857 let isCodeGenOnly = 1, Defs = [CPSR] in {
858 multiclass AI1_bin_s_irs<bits<4> opcod, string opc,
859 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
860 PatFrag opnode, bit Commutable = 0> {
861 def ri : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
862 iii, opc, "\t$Rd, $Rn, $imm",
863 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]> {
869 let Inst{19-16} = Rn;
870 let Inst{15-12} = Rd;
871 let Inst{11-0} = imm;
873 def rr : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
874 iir, opc, "\t$Rd, $Rn, $Rm",
875 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
879 let isCommutable = Commutable;
882 let Inst{19-16} = Rn;
883 let Inst{15-12} = Rd;
884 let Inst{11-4} = 0b00000000;
887 def rsi : AI1<opcod, (outs GPR:$Rd),
888 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm,
889 iis, opc, "\t$Rd, $Rn, $shift",
890 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_imm:$shift))]> {
896 let Inst{19-16} = Rn;
897 let Inst{15-12} = Rd;
898 let Inst{11-5} = shift{11-5};
900 let Inst{3-0} = shift{3-0};
903 def rsr : AI1<opcod, (outs GPR:$Rd),
904 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm,
905 iis, opc, "\t$Rd, $Rn, $shift",
906 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_reg:$shift))]> {
912 let Inst{19-16} = Rn;
913 let Inst{15-12} = Rd;
914 let Inst{11-8} = shift{11-8};
916 let Inst{6-5} = shift{6-5};
918 let Inst{3-0} = shift{3-0};
923 /// AI1_cmp_irs - Defines a set of (op r, {so_imm|r|so_reg}) cmp / test
924 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
925 /// a explicit result, only implicitly set CPSR.
926 let isCompare = 1, Defs = [CPSR] in {
927 multiclass AI1_cmp_irs<bits<4> opcod, string opc,
928 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
929 PatFrag opnode, bit Commutable = 0> {
930 def ri : AI1<opcod, (outs), (ins GPR:$Rn, so_imm:$imm), DPFrm, iii,
932 [(opnode GPR:$Rn, so_imm:$imm)]> {
937 let Inst{19-16} = Rn;
938 let Inst{15-12} = 0b0000;
939 let Inst{11-0} = imm;
941 def rr : AI1<opcod, (outs), (ins GPR:$Rn, GPR:$Rm), DPFrm, iir,
943 [(opnode GPR:$Rn, GPR:$Rm)]> {
946 let isCommutable = Commutable;
949 let Inst{19-16} = Rn;
950 let Inst{15-12} = 0b0000;
951 let Inst{11-4} = 0b00000000;
954 def rsi : AI1<opcod, (outs),
955 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm, iis,
956 opc, "\t$Rn, $shift",
957 [(opnode GPR:$Rn, so_reg_imm:$shift)]> {
962 let Inst{19-16} = Rn;
963 let Inst{15-12} = 0b0000;
964 let Inst{11-5} = shift{11-5};
966 let Inst{3-0} = shift{3-0};
968 def rsr : AI1<opcod, (outs),
969 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm, iis,
970 opc, "\t$Rn, $shift",
971 [(opnode GPR:$Rn, so_reg_reg:$shift)]> {
976 let Inst{19-16} = Rn;
977 let Inst{15-12} = 0b0000;
978 let Inst{11-8} = shift{11-8};
980 let Inst{6-5} = shift{6-5};
982 let Inst{3-0} = shift{3-0};
988 /// AI_ext_rrot - A unary operation with two forms: one whose operand is a
989 /// register and one whose operand is a register rotated by 8/16/24.
990 /// FIXME: Remove the 'r' variant. Its rot_imm is zero.
991 class AI_ext_rrot<bits<8> opcod, string opc, PatFrag opnode>
992 : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm, rot_imm:$rot),
993 IIC_iEXTr, opc, "\t$Rd, $Rm$rot",
994 [(set GPR:$Rd, (opnode (rotr GPR:$Rm, rot_imm:$rot)))]>,
995 Requires<[IsARM, HasV6]> {
999 let Inst{19-16} = 0b1111;
1000 let Inst{15-12} = Rd;
1001 let Inst{11-10} = rot;
1005 class AI_ext_rrot_np<bits<8> opcod, string opc>
1006 : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm, rot_imm:$rot),
1007 IIC_iEXTr, opc, "\t$Rd, $Rm$rot", []>,
1008 Requires<[IsARM, HasV6]> {
1010 let Inst{19-16} = 0b1111;
1011 let Inst{11-10} = rot;
1014 /// AI_exta_rrot - A binary operation with two forms: one whose operand is a
1015 /// register and one whose operand is a register rotated by 8/16/24.
1016 class AI_exta_rrot<bits<8> opcod, string opc, PatFrag opnode>
1017 : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, rot_imm:$rot),
1018 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm$rot",
1019 [(set GPR:$Rd, (opnode GPR:$Rn, (rotr GPR:$Rm, rot_imm:$rot)))]>,
1020 Requires<[IsARM, HasV6]> {
1025 let Inst{19-16} = Rn;
1026 let Inst{15-12} = Rd;
1027 let Inst{11-10} = rot;
1028 let Inst{9-4} = 0b000111;
1032 class AI_exta_rrot_np<bits<8> opcod, string opc>
1033 : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, rot_imm:$rot),
1034 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm$rot", []>,
1035 Requires<[IsARM, HasV6]> {
1038 let Inst{19-16} = Rn;
1039 let Inst{11-10} = rot;
1042 /// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
1043 multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode,
1044 string baseOpc, bit Commutable = 0> {
1045 let Uses = [CPSR] in {
1046 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
1047 DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
1048 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>,
1054 let Inst{15-12} = Rd;
1055 let Inst{19-16} = Rn;
1056 let Inst{11-0} = imm;
1058 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
1059 DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
1060 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
1065 let Inst{11-4} = 0b00000000;
1067 let isCommutable = Commutable;
1069 let Inst{15-12} = Rd;
1070 let Inst{19-16} = Rn;
1072 def rsi : AsI1<opcod, (outs GPR:$Rd),
1073 (ins GPR:$Rn, so_reg_imm:$shift),
1074 DPSoRegImmFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1075 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_imm:$shift))]>,
1081 let Inst{19-16} = Rn;
1082 let Inst{15-12} = Rd;
1083 let Inst{11-5} = shift{11-5};
1085 let Inst{3-0} = shift{3-0};
1087 def rsr : AsI1<opcod, (outs GPR:$Rd),
1088 (ins GPR:$Rn, so_reg_reg:$shift),
1089 DPSoRegRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1090 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_reg:$shift))]>,
1096 let Inst{19-16} = Rn;
1097 let Inst{15-12} = Rd;
1098 let Inst{11-8} = shift{11-8};
1100 let Inst{6-5} = shift{6-5};
1102 let Inst{3-0} = shift{3-0};
1105 // Assembly aliases for optional destination operand when it's the same
1106 // as the source operand.
1107 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $imm"),
1108 (!cast<Instruction>(!strconcat(baseOpc, "ri")) GPR:$Rdn, GPR:$Rdn,
1109 so_imm:$imm, pred:$p,
1112 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $Rm"),
1113 (!cast<Instruction>(!strconcat(baseOpc, "rr")) GPR:$Rdn, GPR:$Rdn,
1117 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
1118 (!cast<Instruction>(!strconcat(baseOpc, "rsi")) GPR:$Rdn, GPR:$Rdn,
1119 so_reg_imm:$shift, pred:$p,
1122 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
1123 (!cast<Instruction>(!strconcat(baseOpc, "rsr")) GPR:$Rdn, GPR:$Rdn,
1124 so_reg_reg:$shift, pred:$p,
1129 // Carry setting variants
1130 // NOTE: CPSR def omitted because it will be handled by the custom inserter.
1131 let usesCustomInserter = 1 in {
1132 multiclass AI1_adde_sube_s_irs<PatFrag opnode, bit Commutable = 0> {
1133 def ri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
1135 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>;
1136 def rr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
1138 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
1139 let isCommutable = Commutable;
1141 def rsi : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg_imm:$shift),
1143 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_imm:$shift))]>;
1144 def rsr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg_reg:$shift),
1146 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_reg:$shift))]>;
1150 let canFoldAsLoad = 1, isReMaterializable = 1 in {
1151 multiclass AI_ldr1<bit isByte, string opc, InstrItinClass iii,
1152 InstrItinClass iir, PatFrag opnode> {
1153 // Note: We use the complex addrmode_imm12 rather than just an input
1154 // GPR and a constrained immediate so that we can use this to match
1155 // frame index references and avoid matching constant pool references.
1156 def i12: AI2ldst<0b010, 1, isByte, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
1157 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
1158 [(set GPR:$Rt, (opnode addrmode_imm12:$addr))]> {
1161 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1162 let Inst{19-16} = addr{16-13}; // Rn
1163 let Inst{15-12} = Rt;
1164 let Inst{11-0} = addr{11-0}; // imm12
1166 def rs : AI2ldst<0b011, 1, isByte, (outs GPR:$Rt), (ins ldst_so_reg:$shift),
1167 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
1168 [(set GPR:$Rt, (opnode ldst_so_reg:$shift))]> {
1171 let shift{4} = 0; // Inst{4} = 0
1172 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1173 let Inst{19-16} = shift{16-13}; // Rn
1174 let Inst{15-12} = Rt;
1175 let Inst{11-0} = shift{11-0};
1180 multiclass AI_str1<bit isByte, string opc, InstrItinClass iii,
1181 InstrItinClass iir, PatFrag opnode> {
1182 // Note: We use the complex addrmode_imm12 rather than just an input
1183 // GPR and a constrained immediate so that we can use this to match
1184 // frame index references and avoid matching constant pool references.
1185 def i12 : AI2ldst<0b010, 0, isByte, (outs),
1186 (ins GPR:$Rt, addrmode_imm12:$addr),
1187 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
1188 [(opnode GPR:$Rt, addrmode_imm12:$addr)]> {
1191 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1192 let Inst{19-16} = addr{16-13}; // Rn
1193 let Inst{15-12} = Rt;
1194 let Inst{11-0} = addr{11-0}; // imm12
1196 def rs : AI2ldst<0b011, 0, isByte, (outs), (ins GPR:$Rt, ldst_so_reg:$shift),
1197 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
1198 [(opnode GPR:$Rt, ldst_so_reg:$shift)]> {
1201 let shift{4} = 0; // Inst{4} = 0
1202 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1203 let Inst{19-16} = shift{16-13}; // Rn
1204 let Inst{15-12} = Rt;
1205 let Inst{11-0} = shift{11-0};
1208 //===----------------------------------------------------------------------===//
1210 //===----------------------------------------------------------------------===//
1212 //===----------------------------------------------------------------------===//
1213 // Miscellaneous Instructions.
1216 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
1217 /// the function. The first operand is the ID# for this instruction, the second
1218 /// is the index into the MachineConstantPool that this is, the third is the
1219 /// size in bytes of this constant pool entry.
1220 let neverHasSideEffects = 1, isNotDuplicable = 1 in
1221 def CONSTPOOL_ENTRY :
1222 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
1223 i32imm:$size), NoItinerary, []>;
1225 // FIXME: Marking these as hasSideEffects is necessary to prevent machine DCE
1226 // from removing one half of the matched pairs. That breaks PEI, which assumes
1227 // these will always be in pairs, and asserts if it finds otherwise. Better way?
1228 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
1229 def ADJCALLSTACKUP :
1230 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary,
1231 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
1233 def ADJCALLSTACKDOWN :
1234 PseudoInst<(outs), (ins i32imm:$amt, pred:$p), NoItinerary,
1235 [(ARMcallseq_start timm:$amt)]>;
1238 def NOP : AI<(outs), (ins), MiscFrm, NoItinerary, "nop", "",
1239 [/* For disassembly only; pattern left blank */]>,
1240 Requires<[IsARM, HasV6T2]> {
1241 let Inst{27-16} = 0b001100100000;
1242 let Inst{15-8} = 0b11110000;
1243 let Inst{7-0} = 0b00000000;
1246 def YIELD : AI<(outs), (ins), MiscFrm, NoItinerary, "yield", "",
1247 [/* For disassembly only; pattern left blank */]>,
1248 Requires<[IsARM, HasV6T2]> {
1249 let Inst{27-16} = 0b001100100000;
1250 let Inst{15-8} = 0b11110000;
1251 let Inst{7-0} = 0b00000001;
1254 def WFE : AI<(outs), (ins), MiscFrm, NoItinerary, "wfe", "",
1255 [/* For disassembly only; pattern left blank */]>,
1256 Requires<[IsARM, HasV6T2]> {
1257 let Inst{27-16} = 0b001100100000;
1258 let Inst{15-8} = 0b11110000;
1259 let Inst{7-0} = 0b00000010;
1262 def WFI : AI<(outs), (ins), MiscFrm, NoItinerary, "wfi", "",
1263 [/* For disassembly only; pattern left blank */]>,
1264 Requires<[IsARM, HasV6T2]> {
1265 let Inst{27-16} = 0b001100100000;
1266 let Inst{15-8} = 0b11110000;
1267 let Inst{7-0} = 0b00000011;
1270 def SEL : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm, NoItinerary, "sel",
1271 "\t$dst, $a, $b", []>, Requires<[IsARM, HasV6]> {
1276 let Inst{15-12} = Rd;
1277 let Inst{19-16} = Rn;
1278 let Inst{27-20} = 0b01101000;
1279 let Inst{7-4} = 0b1011;
1280 let Inst{11-8} = 0b1111;
1283 def SEV : AI<(outs), (ins), MiscFrm, NoItinerary, "sev", "",
1284 []>, Requires<[IsARM, HasV6T2]> {
1285 let Inst{27-16} = 0b001100100000;
1286 let Inst{15-8} = 0b11110000;
1287 let Inst{7-0} = 0b00000100;
1290 // The i32imm operand $val can be used by a debugger to store more information
1291 // about the breakpoint.
1292 def BKPT : AI<(outs), (ins imm0_65535:$val), MiscFrm, NoItinerary,
1293 "bkpt", "\t$val", []>, Requires<[IsARM]> {
1295 let Inst{3-0} = val{3-0};
1296 let Inst{19-8} = val{15-4};
1297 let Inst{27-20} = 0b00010010;
1298 let Inst{7-4} = 0b0111;
1301 // Change Processor State is a system instruction -- for disassembly and
1303 // FIXME: Since the asm parser has currently no clean way to handle optional
1304 // operands, create 3 versions of the same instruction. Once there's a clean
1305 // framework to represent optional operands, change this behavior.
1306 class CPS<dag iops, string asm_ops>
1307 : AXI<(outs), iops, MiscFrm, NoItinerary, !strconcat("cps", asm_ops),
1308 [/* For disassembly only; pattern left blank */]>, Requires<[IsARM]> {
1314 let Inst{31-28} = 0b1111;
1315 let Inst{27-20} = 0b00010000;
1316 let Inst{19-18} = imod;
1317 let Inst{17} = M; // Enabled if mode is set;
1319 let Inst{8-6} = iflags;
1321 let Inst{4-0} = mode;
1325 def CPS3p : CPS<(ins imod_op:$imod, iflags_op:$iflags, i32imm:$mode),
1326 "$imod\t$iflags, $mode">;
1327 let mode = 0, M = 0 in
1328 def CPS2p : CPS<(ins imod_op:$imod, iflags_op:$iflags), "$imod\t$iflags">;
1330 let imod = 0, iflags = 0, M = 1 in
1331 def CPS1p : CPS<(ins i32imm:$mode), "\t$mode">;
1333 // Preload signals the memory system of possible future data/instruction access.
1334 // These are for disassembly only.
1335 multiclass APreLoad<bits<1> read, bits<1> data, string opc> {
1337 def i12 : AXI<(outs), (ins addrmode_imm12:$addr), MiscFrm, IIC_Preload,
1338 !strconcat(opc, "\t$addr"),
1339 [(ARMPreload addrmode_imm12:$addr, (i32 read), (i32 data))]> {
1342 let Inst{31-26} = 0b111101;
1343 let Inst{25} = 0; // 0 for immediate form
1344 let Inst{24} = data;
1345 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1346 let Inst{22} = read;
1347 let Inst{21-20} = 0b01;
1348 let Inst{19-16} = addr{16-13}; // Rn
1349 let Inst{15-12} = 0b1111;
1350 let Inst{11-0} = addr{11-0}; // imm12
1353 def rs : AXI<(outs), (ins ldst_so_reg:$shift), MiscFrm, IIC_Preload,
1354 !strconcat(opc, "\t$shift"),
1355 [(ARMPreload ldst_so_reg:$shift, (i32 read), (i32 data))]> {
1357 let Inst{31-26} = 0b111101;
1358 let Inst{25} = 1; // 1 for register form
1359 let Inst{24} = data;
1360 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1361 let Inst{22} = read;
1362 let Inst{21-20} = 0b01;
1363 let Inst{19-16} = shift{16-13}; // Rn
1364 let Inst{15-12} = 0b1111;
1365 let Inst{11-0} = shift{11-0};
1369 defm PLD : APreLoad<1, 1, "pld">, Requires<[IsARM]>;
1370 defm PLDW : APreLoad<0, 1, "pldw">, Requires<[IsARM,HasV7,HasMP]>;
1371 defm PLI : APreLoad<1, 0, "pli">, Requires<[IsARM,HasV7]>;
1373 def SETEND : AXI<(outs), (ins setend_op:$end), MiscFrm, NoItinerary,
1374 "setend\t$end", []>, Requires<[IsARM]> {
1376 let Inst{31-10} = 0b1111000100000001000000;
1381 def DBG : AI<(outs), (ins imm0_15:$opt), MiscFrm, NoItinerary, "dbg", "\t$opt",
1382 []>, Requires<[IsARM, HasV7]> {
1384 let Inst{27-4} = 0b001100100000111100001111;
1385 let Inst{3-0} = opt;
1388 // A5.4 Permanently UNDEFINED instructions.
1389 let isBarrier = 1, isTerminator = 1 in
1390 def TRAP : AXI<(outs), (ins), MiscFrm, NoItinerary,
1393 let Inst = 0xe7ffdefe;
1396 // Address computation and loads and stores in PIC mode.
1397 let isNotDuplicable = 1 in {
1398 def PICADD : ARMPseudoInst<(outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
1400 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
1402 let AddedComplexity = 10 in {
1403 def PICLDR : ARMPseudoInst<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
1405 [(set GPR:$dst, (load addrmodepc:$addr))]>;
1407 def PICLDRH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1409 [(set GPR:$Rt, (zextloadi16 addrmodepc:$addr))]>;
1411 def PICLDRB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1413 [(set GPR:$Rt, (zextloadi8 addrmodepc:$addr))]>;
1415 def PICLDRSH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1417 [(set GPR:$Rt, (sextloadi16 addrmodepc:$addr))]>;
1419 def PICLDRSB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1421 [(set GPR:$Rt, (sextloadi8 addrmodepc:$addr))]>;
1423 let AddedComplexity = 10 in {
1424 def PICSTR : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1425 4, IIC_iStore_r, [(store GPR:$src, addrmodepc:$addr)]>;
1427 def PICSTRH : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1428 4, IIC_iStore_bh_r, [(truncstorei16 GPR:$src,
1429 addrmodepc:$addr)]>;
1431 def PICSTRB : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1432 4, IIC_iStore_bh_r, [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
1434 } // isNotDuplicable = 1
1437 // LEApcrel - Load a pc-relative address into a register without offending the
1439 let neverHasSideEffects = 1, isReMaterializable = 1 in
1440 // The 'adr' mnemonic encodes differently if the label is before or after
1441 // the instruction. The {24-21} opcode bits are set by the fixup, as we don't
1442 // know until then which form of the instruction will be used.
1443 def ADR : AI1<{0,?,?,0}, (outs GPR:$Rd), (ins adrlabel:$label),
1444 MiscFrm, IIC_iALUi, "adr", "\t$Rd, $label", []> {
1447 let Inst{27-25} = 0b001;
1449 let Inst{19-16} = 0b1111;
1450 let Inst{15-12} = Rd;
1451 let Inst{11-0} = label;
1453 def LEApcrel : ARMPseudoInst<(outs GPR:$Rd), (ins i32imm:$label, pred:$p),
1456 def LEApcrelJT : ARMPseudoInst<(outs GPR:$Rd),
1457 (ins i32imm:$label, nohash_imm:$id, pred:$p),
1460 //===----------------------------------------------------------------------===//
1461 // Control Flow Instructions.
1464 let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
1466 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1467 "bx", "\tlr", [(ARMretflag)]>,
1468 Requires<[IsARM, HasV4T]> {
1469 let Inst{27-0} = 0b0001001011111111111100011110;
1473 def MOVPCLR : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1474 "mov", "\tpc, lr", [(ARMretflag)]>,
1475 Requires<[IsARM, NoV4T]> {
1476 let Inst{27-0} = 0b0001101000001111000000001110;
1480 // Indirect branches
1481 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
1483 def BX : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
1484 [(brind GPR:$dst)]>,
1485 Requires<[IsARM, HasV4T]> {
1487 let Inst{31-4} = 0b1110000100101111111111110001;
1488 let Inst{3-0} = dst;
1491 def BX_pred : AI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br,
1492 "bx", "\t$dst", [/* pattern left blank */]>,
1493 Requires<[IsARM, HasV4T]> {
1495 let Inst{27-4} = 0b000100101111111111110001;
1496 let Inst{3-0} = dst;
1500 // All calls clobber the non-callee saved registers. SP is marked as
1501 // a use to prevent stack-pointer assignments that appear immediately
1502 // before calls from potentially appearing dead.
1504 // On non-Darwin platforms R9 is callee-saved.
1505 // FIXME: Do we really need a non-predicated version? If so, it should
1506 // at least be a pseudo instruction expanding to the predicated version
1507 // at MC lowering time.
1508 Defs = [R0, R1, R2, R3, R12, LR, QQQQ0, QQQQ2, QQQQ3, CPSR, FPSCR],
1510 def BL : ABXI<0b1011, (outs), (ins bl_target:$func, variable_ops),
1511 IIC_Br, "bl\t$func",
1512 [(ARMcall tglobaladdr:$func)]>,
1513 Requires<[IsARM, IsNotDarwin]> {
1514 let Inst{31-28} = 0b1110;
1516 let Inst{23-0} = func;
1519 def BL_pred : ABI<0b1011, (outs), (ins bl_target:$func, variable_ops),
1520 IIC_Br, "bl", "\t$func",
1521 [(ARMcall_pred tglobaladdr:$func)]>,
1522 Requires<[IsARM, IsNotDarwin]> {
1524 let Inst{23-0} = func;
1528 def BLX : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1529 IIC_Br, "blx\t$func",
1530 [(ARMcall GPR:$func)]>,
1531 Requires<[IsARM, HasV5T, IsNotDarwin]> {
1533 let Inst{31-4} = 0b1110000100101111111111110011;
1534 let Inst{3-0} = func;
1537 def BLX_pred : AI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1538 IIC_Br, "blx", "\t$func",
1539 [(ARMcall_pred GPR:$func)]>,
1540 Requires<[IsARM, HasV5T, IsNotDarwin]> {
1542 let Inst{27-4} = 0b000100101111111111110011;
1543 let Inst{3-0} = func;
1547 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1548 def BX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1549 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1550 Requires<[IsARM, HasV4T, IsNotDarwin]>;
1553 def BMOVPCRX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1554 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1555 Requires<[IsARM, NoV4T, IsNotDarwin]>;
1559 // On Darwin R9 is call-clobbered.
1560 // R7 is marked as a use to prevent frame-pointer assignments from being
1561 // moved above / below calls.
1562 Defs = [R0, R1, R2, R3, R9, R12, LR, QQQQ0, QQQQ2, QQQQ3, CPSR, FPSCR],
1563 Uses = [R7, SP] in {
1564 def BLr9 : ARMPseudoExpand<(outs), (ins bl_target:$func, variable_ops),
1566 [(ARMcall tglobaladdr:$func)], (BL bl_target:$func)>,
1567 Requires<[IsARM, IsDarwin]>;
1569 def BLr9_pred : ARMPseudoExpand<(outs),
1570 (ins bl_target:$func, pred:$p, variable_ops),
1572 [(ARMcall_pred tglobaladdr:$func)],
1573 (BL_pred bl_target:$func, pred:$p)>,
1574 Requires<[IsARM, IsDarwin]>;
1577 def BLXr9 : ARMPseudoExpand<(outs), (ins GPR:$func, variable_ops),
1579 [(ARMcall GPR:$func)],
1581 Requires<[IsARM, HasV5T, IsDarwin]>;
1583 def BLXr9_pred: ARMPseudoExpand<(outs), (ins GPR:$func, pred:$p,variable_ops),
1585 [(ARMcall_pred GPR:$func)],
1586 (BLX_pred GPR:$func, pred:$p)>,
1587 Requires<[IsARM, HasV5T, IsDarwin]>;
1590 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1591 def BXr9_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1592 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1593 Requires<[IsARM, HasV4T, IsDarwin]>;
1596 def BMOVPCRXr9_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1597 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1598 Requires<[IsARM, NoV4T, IsDarwin]>;
1601 let isBranch = 1, isTerminator = 1 in {
1602 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
1603 // a two-value operand where a dag node expects two operands. :(
1604 def Bcc : ABI<0b1010, (outs), (ins br_target:$target),
1605 IIC_Br, "b", "\t$target",
1606 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]> {
1608 let Inst{23-0} = target;
1611 let isBarrier = 1 in {
1612 // B is "predicable" since it's just a Bcc with an 'always' condition.
1613 let isPredicable = 1 in
1614 // FIXME: We shouldn't need this pseudo at all. Just using Bcc directly
1615 // should be sufficient.
1616 // FIXME: Is B really a Barrier? That doesn't seem right.
1617 def B : ARMPseudoExpand<(outs), (ins br_target:$target), 4, IIC_Br,
1618 [(br bb:$target)], (Bcc br_target:$target, (ops 14, zero_reg))>;
1620 let isNotDuplicable = 1, isIndirectBranch = 1 in {
1621 def BR_JTr : ARMPseudoInst<(outs),
1622 (ins GPR:$target, i32imm:$jt, i32imm:$id),
1624 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]>;
1625 // FIXME: This shouldn't use the generic "addrmode2," but rather be split
1626 // into i12 and rs suffixed versions.
1627 def BR_JTm : ARMPseudoInst<(outs),
1628 (ins addrmode2:$target, i32imm:$jt, i32imm:$id),
1630 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
1632 def BR_JTadd : ARMPseudoInst<(outs),
1633 (ins GPR:$target, GPR:$idx, i32imm:$jt, i32imm:$id),
1635 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
1637 } // isNotDuplicable = 1, isIndirectBranch = 1
1642 // BLX (immediate) -- for disassembly only
1643 def BLXi : AXI<(outs), (ins br_target:$target), BrMiscFrm, NoItinerary,
1644 "blx\t$target", [/* pattern left blank */]>,
1645 Requires<[IsARM, HasV5T]> {
1646 let Inst{31-25} = 0b1111101;
1648 let Inst{23-0} = target{24-1};
1649 let Inst{24} = target{0};
1652 // Branch and Exchange Jazelle
1653 def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
1654 [/* pattern left blank */]> {
1656 let Inst{23-20} = 0b0010;
1657 let Inst{19-8} = 0xfff;
1658 let Inst{7-4} = 0b0010;
1659 let Inst{3-0} = func;
1664 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in {
1666 let Defs = [R0, R1, R2, R3, R9, R12, QQQQ0, QQQQ2, QQQQ3, PC],
1668 def TCRETURNdi : PseudoInst<(outs), (ins i32imm:$dst, variable_ops),
1669 IIC_Br, []>, Requires<[IsDarwin]>;
1671 def TCRETURNri : PseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
1672 IIC_Br, []>, Requires<[IsDarwin]>;
1674 def TAILJMPd : ARMPseudoExpand<(outs), (ins br_target:$dst, variable_ops),
1676 (Bcc br_target:$dst, (ops 14, zero_reg))>,
1677 Requires<[IsARM, IsDarwin]>;
1679 def TAILJMPr : ARMPseudoExpand<(outs), (ins tcGPR:$dst, variable_ops),
1682 Requires<[IsARM, IsDarwin]>;
1686 // Non-Darwin versions (the difference is R9).
1687 let Defs = [R0, R1, R2, R3, R12, QQQQ0, QQQQ2, QQQQ3, PC],
1689 def TCRETURNdiND : PseudoInst<(outs), (ins i32imm:$dst, variable_ops),
1690 IIC_Br, []>, Requires<[IsNotDarwin]>;
1692 def TCRETURNriND : PseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
1693 IIC_Br, []>, Requires<[IsNotDarwin]>;
1695 def TAILJMPdND : ARMPseudoExpand<(outs), (ins brtarget:$dst, variable_ops),
1697 (Bcc br_target:$dst, (ops 14, zero_reg))>,
1698 Requires<[IsARM, IsNotDarwin]>;
1700 def TAILJMPrND : ARMPseudoExpand<(outs), (ins tcGPR:$dst, variable_ops),
1703 Requires<[IsARM, IsNotDarwin]>;
1711 // Secure Monitor Call is a system instruction -- for disassembly only
1712 def SMC : ABI<0b0001, (outs), (ins imm0_15:$opt), NoItinerary, "smc", "\t$opt",
1715 let Inst{23-4} = 0b01100000000000000111;
1716 let Inst{3-0} = opt;
1719 // Supervisor Call (Software Interrupt)
1720 let isCall = 1, Uses = [SP] in {
1721 def SVC : ABI<0b1111, (outs), (ins imm24b:$svc), IIC_Br, "svc", "\t$svc", []> {
1723 let Inst{23-0} = svc;
1727 // Store Return State is a system instruction -- for disassembly only
1728 let isCodeGenOnly = 1 in { // FIXME: This should not use submode!
1729 def SRSW : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, i32imm:$mode),
1730 NoItinerary, "srs${amode}\tsp!, $mode",
1731 [/* For disassembly only; pattern left blank */]> {
1732 let Inst{31-28} = 0b1111;
1733 let Inst{22-20} = 0b110; // W = 1
1734 let Inst{19-8} = 0xd05;
1735 let Inst{7-5} = 0b000;
1738 def SRS : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, i32imm:$mode),
1739 NoItinerary, "srs${amode}\tsp, $mode",
1740 [/* For disassembly only; pattern left blank */]> {
1741 let Inst{31-28} = 0b1111;
1742 let Inst{22-20} = 0b100; // W = 0
1743 let Inst{19-8} = 0xd05;
1744 let Inst{7-5} = 0b000;
1747 // Return From Exception is a system instruction -- for disassembly only
1748 def RFEW : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, GPR:$base),
1749 NoItinerary, "rfe${amode}\t$base!",
1750 [/* For disassembly only; pattern left blank */]> {
1751 let Inst{31-28} = 0b1111;
1752 let Inst{22-20} = 0b011; // W = 1
1753 let Inst{15-0} = 0x0a00;
1756 def RFE : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, GPR:$base),
1757 NoItinerary, "rfe${amode}\t$base",
1758 [/* For disassembly only; pattern left blank */]> {
1759 let Inst{31-28} = 0b1111;
1760 let Inst{22-20} = 0b001; // W = 0
1761 let Inst{15-0} = 0x0a00;
1763 } // isCodeGenOnly = 1
1765 //===----------------------------------------------------------------------===//
1766 // Load / store Instructions.
1772 defm LDR : AI_ldr1<0, "ldr", IIC_iLoad_r, IIC_iLoad_si,
1773 UnOpFrag<(load node:$Src)>>;
1774 defm LDRB : AI_ldr1<1, "ldrb", IIC_iLoad_bh_r, IIC_iLoad_bh_si,
1775 UnOpFrag<(zextloadi8 node:$Src)>>;
1776 defm STR : AI_str1<0, "str", IIC_iStore_r, IIC_iStore_si,
1777 BinOpFrag<(store node:$LHS, node:$RHS)>>;
1778 defm STRB : AI_str1<1, "strb", IIC_iStore_bh_r, IIC_iStore_bh_si,
1779 BinOpFrag<(truncstorei8 node:$LHS, node:$RHS)>>;
1781 // Special LDR for loads from non-pc-relative constpools.
1782 let canFoldAsLoad = 1, mayLoad = 1, neverHasSideEffects = 1,
1783 isReMaterializable = 1 in
1784 def LDRcp : AI2ldst<0b010, 1, 0, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
1785 AddrMode_i12, LdFrm, IIC_iLoad_r, "ldr", "\t$Rt, $addr",
1789 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1790 let Inst{19-16} = 0b1111;
1791 let Inst{15-12} = Rt;
1792 let Inst{11-0} = addr{11-0}; // imm12
1795 // Loads with zero extension
1796 def LDRH : AI3ld<0b1011, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1797 IIC_iLoad_bh_r, "ldrh", "\t$Rt, $addr",
1798 [(set GPR:$Rt, (zextloadi16 addrmode3:$addr))]>;
1800 // Loads with sign extension
1801 def LDRSH : AI3ld<0b1111, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1802 IIC_iLoad_bh_r, "ldrsh", "\t$Rt, $addr",
1803 [(set GPR:$Rt, (sextloadi16 addrmode3:$addr))]>;
1805 def LDRSB : AI3ld<0b1101, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1806 IIC_iLoad_bh_r, "ldrsb", "\t$Rt, $addr",
1807 [(set GPR:$Rt, (sextloadi8 addrmode3:$addr))]>;
1809 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1 in {
1811 def LDRD : AI3ld<0b1101, 0, (outs GPR:$Rd, GPR:$dst2),
1812 (ins addrmode3:$addr), LdMiscFrm,
1813 IIC_iLoad_d_r, "ldrd", "\t$Rd, $dst2, $addr",
1814 []>, Requires<[IsARM, HasV5TE]>;
1818 multiclass AI2_ldridx<bit isByte, string opc, InstrItinClass itin> {
1819 def _PRE : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb),
1820 (ins addrmode2:$addr), IndexModePre, LdFrm, itin,
1821 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
1827 let Inst{25} = addr{13};
1828 let Inst{23} = addr{12};
1829 let Inst{19-16} = addr{17-14};
1830 let Inst{11-0} = addr{11-0};
1831 let AsmMatchConverter = "cvtLdWriteBackRegAddrMode2";
1834 def _POST_REG : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
1835 (ins GPR:$Rn, am2offset_reg:$offset),
1836 IndexModePost, LdFrm, itin,
1837 opc, "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb", []> {
1843 let Inst{23} = offset{12};
1844 let Inst{19-16} = Rn;
1845 let Inst{11-0} = offset{11-0};
1846 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
1849 def _POST_IMM : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
1850 (ins GPR:$Rn, am2offset_imm:$offset),
1851 IndexModePost, LdFrm, itin,
1852 opc, "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb", []> {
1858 let Inst{23} = offset{12};
1859 let Inst{19-16} = Rn;
1860 let Inst{11-0} = offset{11-0};
1861 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
1865 let mayLoad = 1, neverHasSideEffects = 1 in {
1866 defm LDR : AI2_ldridx<0, "ldr", IIC_iLoad_ru>;
1867 defm LDRB : AI2_ldridx<1, "ldrb", IIC_iLoad_bh_ru>;
1870 multiclass AI3_ldridx<bits<4> op, bit op20, string opc, InstrItinClass itin> {
1871 def _PRE : AI3ldstidx<op, op20, 1, 1, (outs GPR:$Rt, GPR:$Rn_wb),
1872 (ins addrmode3:$addr), IndexModePre,
1874 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
1876 let Inst{23} = addr{8}; // U bit
1877 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
1878 let Inst{19-16} = addr{12-9}; // Rn
1879 let Inst{11-8} = addr{7-4}; // imm7_4/zero
1880 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
1882 def _POST : AI3ldstidx<op, op20, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
1883 (ins GPR:$Rn, am3offset:$offset), IndexModePost,
1885 opc, "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb", []> {
1888 let Inst{23} = offset{8}; // U bit
1889 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
1890 let Inst{19-16} = Rn;
1891 let Inst{11-8} = offset{7-4}; // imm7_4/zero
1892 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
1896 let mayLoad = 1, neverHasSideEffects = 1 in {
1897 defm LDRH : AI3_ldridx<0b1011, 1, "ldrh", IIC_iLoad_bh_ru>;
1898 defm LDRSH : AI3_ldridx<0b1111, 1, "ldrsh", IIC_iLoad_bh_ru>;
1899 defm LDRSB : AI3_ldridx<0b1101, 1, "ldrsb", IIC_iLoad_bh_ru>;
1900 let hasExtraDefRegAllocReq = 1 in {
1901 def LDRD_PRE : AI3ldstidx<0b1101, 0, 1, 1, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
1902 (ins addrmode3:$addr), IndexModePre,
1903 LdMiscFrm, IIC_iLoad_d_ru,
1904 "ldrd", "\t$Rt, $Rt2, $addr!",
1905 "$addr.base = $Rn_wb", []> {
1907 let Inst{23} = addr{8}; // U bit
1908 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
1909 let Inst{19-16} = addr{12-9}; // Rn
1910 let Inst{11-8} = addr{7-4}; // imm7_4/zero
1911 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
1912 let DecoderMethod = "DecodeAddrMode3Instruction";
1914 def LDRD_POST: AI3ldstidx<0b1101, 0, 1, 0, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
1915 (ins GPR:$Rn, am3offset:$offset), IndexModePost,
1916 LdMiscFrm, IIC_iLoad_d_ru,
1917 "ldrd", "\t$Rt, $Rt2, [$Rn], $offset",
1918 "$Rn = $Rn_wb", []> {
1921 let Inst{23} = offset{8}; // U bit
1922 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
1923 let Inst{19-16} = Rn;
1924 let Inst{11-8} = offset{7-4}; // imm7_4/zero
1925 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
1926 let DecoderMethod = "DecodeAddrMode3Instruction";
1928 } // hasExtraDefRegAllocReq = 1
1929 } // mayLoad = 1, neverHasSideEffects = 1
1931 // LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT are for disassembly only.
1932 let mayLoad = 1, neverHasSideEffects = 1 in {
1933 def LDRT : AI2ldstidx<1, 0, 0, (outs GPR:$Rt, GPR:$base_wb),
1934 (ins addrmode2:$addr), IndexModePost, LdFrm, IIC_iLoad_ru,
1935 "ldrt", "\t$Rt, $addr", "$addr.base = $base_wb", []> {
1937 // {13} 1 == Rm, 0 == imm12
1941 let Inst{25} = addr{13};
1942 let Inst{23} = addr{12};
1943 let Inst{21} = 1; // overwrite
1944 let Inst{19-16} = addr{17-14};
1945 let Inst{11-0} = addr{11-0};
1946 let AsmMatchConverter = "cvtLdWriteBackRegAddrMode2";
1948 def LDRBT : AI2ldstidx<1, 1, 0, (outs GPR:$Rt, GPR:$base_wb),
1949 (ins addrmode2:$addr), IndexModePost, LdFrm, IIC_iLoad_bh_ru,
1950 "ldrbt", "\t$Rt, $addr", "$addr.base = $base_wb", []> {
1952 // {13} 1 == Rm, 0 == imm12
1956 let Inst{25} = addr{13};
1957 let Inst{23} = addr{12};
1958 let Inst{21} = 1; // overwrite
1959 let Inst{19-16} = addr{17-14};
1960 let Inst{11-0} = addr{11-0};
1961 let AsmMatchConverter = "cvtLdWriteBackRegAddrMode2";
1963 def LDRSBT : AI3ldstidxT<0b1101, 1, 1, 0, (outs GPR:$Rt, GPR:$base_wb),
1964 (ins addrmode3:$addr), IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru,
1965 "ldrsbt", "\t$Rt, $addr", "$addr.base = $base_wb", []> {
1966 let Inst{21} = 1; // overwrite
1968 def LDRHT : AI3ldstidxT<0b1011, 1, 1, 0, (outs GPR:$Rt, GPR:$base_wb),
1969 (ins addrmode3:$addr), IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru,
1970 "ldrht", "\t$Rt, $addr", "$addr.base = $base_wb", []> {
1971 let Inst{21} = 1; // overwrite
1973 def LDRSHT : AI3ldstidxT<0b1111, 1, 1, 0, (outs GPR:$Rt, GPR:$base_wb),
1974 (ins addrmode3:$addr), IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru,
1975 "ldrsht", "\t$Rt, $addr", "$addr.base = $base_wb", []> {
1976 let Inst{21} = 1; // overwrite
1982 // Stores with truncate
1983 def STRH : AI3str<0b1011, (outs), (ins GPR:$Rt, addrmode3:$addr), StMiscFrm,
1984 IIC_iStore_bh_r, "strh", "\t$Rt, $addr",
1985 [(truncstorei16 GPR:$Rt, addrmode3:$addr)]>;
1988 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in
1989 def STRD : AI3str<0b1111, (outs), (ins GPR:$Rt, GPR:$src2, addrmode3:$addr),
1990 StMiscFrm, IIC_iStore_d_r,
1991 "strd", "\t$Rt, $src2, $addr", []>,
1992 Requires<[IsARM, HasV5TE]> {
1997 def STR_PRE_REG : AI2stridx_reg<0, 1, (outs GPR:$Rn_wb),
1998 (ins GPR:$Rt, GPR:$Rn, am2offset_reg:$offset),
1999 IndexModePre, StFrm, IIC_iStore_ru,
2000 "str", "\t$Rt, [$Rn, $offset]!",
2001 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
2003 (pre_store GPR:$Rt, GPR:$Rn, am2offset_reg:$offset))]>;
2004 def STR_PRE_IMM : AI2stridx_imm<0, 1, (outs GPR:$Rn_wb),
2005 (ins GPR:$Rt, GPR:$Rn, am2offset_imm:$offset),
2006 IndexModePre, StFrm, IIC_iStore_ru,
2007 "str", "\t$Rt, [$Rn, $offset]!",
2008 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
2010 (pre_store GPR:$Rt, GPR:$Rn, am2offset_imm:$offset))]>;
2014 def STR_POST_REG : AI2stridx_reg<0, 0, (outs GPR:$Rn_wb),
2015 (ins GPR:$Rt, GPR:$Rn, am2offset_reg:$offset),
2016 IndexModePost, StFrm, IIC_iStore_ru,
2017 "str", "\t$Rt, [$Rn], $offset",
2018 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
2020 (post_store GPR:$Rt, GPR:$Rn, am2offset_reg:$offset))]>;
2021 def STR_POST_IMM : AI2stridx_imm<0, 0, (outs GPR:$Rn_wb),
2022 (ins GPR:$Rt, GPR:$Rn, am2offset_imm:$offset),
2023 IndexModePost, StFrm, IIC_iStore_ru,
2024 "str", "\t$Rt, [$Rn], $offset",
2025 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
2027 (post_store GPR:$Rt, GPR:$Rn, am2offset_imm:$offset))]>;
2030 def STRB_PRE_REG : AI2stridx_reg<1, 1, (outs GPR:$Rn_wb),
2031 (ins GPR:$Rt, GPR:$Rn, am2offset_reg:$offset),
2032 IndexModePre, StFrm, IIC_iStore_bh_ru,
2033 "strb", "\t$Rt, [$Rn, $offset]!",
2034 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
2035 [(set GPR:$Rn_wb, (pre_truncsti8 GPR:$Rt,
2036 GPR:$Rn, am2offset_reg:$offset))]>;
2037 def STRB_PRE_IMM : AI2stridx_imm<1, 1, (outs GPR:$Rn_wb),
2038 (ins GPR:$Rt, GPR:$Rn, am2offset_imm:$offset),
2039 IndexModePre, StFrm, IIC_iStore_bh_ru,
2040 "strb", "\t$Rt, [$Rn, $offset]!",
2041 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
2042 [(set GPR:$Rn_wb, (pre_truncsti8 GPR:$Rt,
2043 GPR:$Rn, am2offset_imm:$offset))]>;
2045 def STRB_POST_REG: AI2stridx_reg<1, 0, (outs GPR:$Rn_wb),
2046 (ins GPR:$Rt, GPR:$Rn, am2offset_reg:$offset),
2047 IndexModePost, StFrm, IIC_iStore_bh_ru,
2048 "strb", "\t$Rt, [$Rn], $offset",
2049 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
2050 [(set GPR:$Rn_wb, (post_truncsti8 GPR:$Rt,
2051 GPR:$Rn, am2offset_reg:$offset))]>;
2052 def STRB_POST_IMM: AI2stridx_imm<1, 0, (outs GPR:$Rn_wb),
2053 (ins GPR:$Rt, GPR:$Rn, am2offset_imm:$offset),
2054 IndexModePost, StFrm, IIC_iStore_bh_ru,
2055 "strb", "\t$Rt, [$Rn], $offset",
2056 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
2057 [(set GPR:$Rn_wb, (post_truncsti8 GPR:$Rt,
2058 GPR:$Rn, am2offset_imm:$offset))]>;
2061 def STRH_PRE : AI3stridx<0b1011, 0, 1, (outs GPR:$Rn_wb),
2062 (ins GPR:$Rt, GPR:$Rn, am3offset:$offset),
2063 IndexModePre, StMiscFrm, IIC_iStore_ru,
2064 "strh", "\t$Rt, [$Rn, $offset]!",
2065 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
2067 (pre_truncsti16 GPR:$Rt, GPR:$Rn, am3offset:$offset))]>;
2069 def STRH_POST: AI3stridx<0b1011, 0, 0, (outs GPR:$Rn_wb),
2070 (ins GPR:$Rt, GPR:$Rn, am3offset:$offset),
2071 IndexModePost, StMiscFrm, IIC_iStore_bh_ru,
2072 "strh", "\t$Rt, [$Rn], $offset",
2073 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
2074 [(set GPR:$Rn_wb, (post_truncsti16 GPR:$Rt,
2075 GPR:$Rn, am3offset:$offset))]>;
2077 // For disassembly only
2078 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in {
2079 def STRD_PRE : AI3stdpr<(outs GPR:$base_wb),
2080 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
2081 StMiscFrm, IIC_iStore_d_ru,
2082 "strd", "\t$src1, $src2, [$base, $offset]!",
2083 "$base = $base_wb", []> {
2087 let Inst{23} = offset{8}; // U bit
2088 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2089 let Inst{19-16} = base;
2090 let Inst{15-12} = src1;
2091 let Inst{11-8} = offset{7-4};
2092 let Inst{3-0} = offset{3-0};
2094 let DecoderMethod = "DecodeAddrMode3Instruction";
2097 // For disassembly only
2098 def STRD_POST: AI3stdpo<(outs GPR:$base_wb),
2099 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
2100 StMiscFrm, IIC_iStore_d_ru,
2101 "strd", "\t$src1, $src2, [$base], $offset",
2102 "$base = $base_wb", []> {
2106 let Inst{23} = offset{8}; // U bit
2107 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2108 let Inst{19-16} = base;
2109 let Inst{15-12} = src1;
2110 let Inst{11-8} = offset{7-4};
2111 let Inst{3-0} = offset{3-0};
2113 let DecoderMethod = "DecodeAddrMode3Instruction";
2115 } // mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1
2117 // STRT, STRBT, and STRHT are for disassembly only.
2119 def STRTr : AI2stridxT<0, 0, (outs GPR:$Rn_wb),
2120 (ins GPR:$Rt, ldst_so_reg:$addr),
2121 IndexModePost, StFrm, IIC_iStore_ru,
2122 "strt", "\t$Rt, $addr", "$addr.base = $Rn_wb",
2123 [/* For disassembly only; pattern left blank */]> {
2125 let Inst{21} = 1; // overwrite
2127 let AsmMatchConverter = "cvtStWriteBackRegAddrMode2";
2130 def STRTi : AI2stridxT<0, 0, (outs GPR:$Rn_wb),
2131 (ins GPR:$Rt, addrmode_imm12:$addr),
2132 IndexModePost, StFrm, IIC_iStore_ru,
2133 "strt", "\t$Rt, $addr", "$addr.base = $Rn_wb",
2134 [/* For disassembly only; pattern left blank */]> {
2136 let Inst{21} = 1; // overwrite
2137 let AsmMatchConverter = "cvtStWriteBackRegAddrMode2";
2141 def STRBTr : AI2stridxT<1, 0, (outs GPR:$Rn_wb),
2142 (ins GPR:$Rt, ldst_so_reg:$addr),
2143 IndexModePost, StFrm, IIC_iStore_bh_ru,
2144 "strbt", "\t$Rt, $addr", "$addr.base = $Rn_wb",
2145 [/* For disassembly only; pattern left blank */]> {
2147 let Inst{21} = 1; // overwrite
2149 let AsmMatchConverter = "cvtStWriteBackRegAddrMode2";
2152 def STRBTi : AI2stridxT<1, 0, (outs GPR:$Rn_wb),
2153 (ins GPR:$Rt, addrmode_imm12:$addr),
2154 IndexModePost, StFrm, IIC_iStore_bh_ru,
2155 "strbt", "\t$Rt, $addr", "$addr.base = $Rn_wb",
2156 [/* For disassembly only; pattern left blank */]> {
2158 let Inst{21} = 1; // overwrite
2159 let AsmMatchConverter = "cvtStWriteBackRegAddrMode2";
2163 def STRHT: AI3sthpo<(outs GPR:$base_wb), (ins GPR:$Rt, addrmode3:$addr),
2164 StMiscFrm, IIC_iStore_bh_ru,
2165 "strht", "\t$Rt, $addr", "$addr.base = $base_wb",
2166 [/* For disassembly only; pattern left blank */]> {
2167 let Inst{21} = 1; // overwrite
2168 let AsmMatchConverter = "cvtStWriteBackRegAddrMode3";
2171 //===----------------------------------------------------------------------===//
2172 // Load / store multiple Instructions.
2175 multiclass arm_ldst_mult<string asm, bit L_bit, Format f,
2176 InstrItinClass itin, InstrItinClass itin_upd> {
2177 // IA is the default, so no need for an explicit suffix on the
2178 // mnemonic here. Without it is the cannonical spelling.
2180 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2181 IndexModeNone, f, itin,
2182 !strconcat(asm, "${p}\t$Rn, $regs"), "", []> {
2183 let Inst{24-23} = 0b01; // Increment After
2184 let Inst{21} = 0; // No writeback
2185 let Inst{20} = L_bit;
2188 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2189 IndexModeUpd, f, itin_upd,
2190 !strconcat(asm, "${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
2191 let Inst{24-23} = 0b01; // Increment After
2192 let Inst{21} = 1; // Writeback
2193 let Inst{20} = L_bit;
2196 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2197 IndexModeNone, f, itin,
2198 !strconcat(asm, "da${p}\t$Rn, $regs"), "", []> {
2199 let Inst{24-23} = 0b00; // Decrement After
2200 let Inst{21} = 0; // No writeback
2201 let Inst{20} = L_bit;
2204 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2205 IndexModeUpd, f, itin_upd,
2206 !strconcat(asm, "da${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
2207 let Inst{24-23} = 0b00; // Decrement After
2208 let Inst{21} = 1; // Writeback
2209 let Inst{20} = L_bit;
2212 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2213 IndexModeNone, f, itin,
2214 !strconcat(asm, "db${p}\t$Rn, $regs"), "", []> {
2215 let Inst{24-23} = 0b10; // Decrement Before
2216 let Inst{21} = 0; // No writeback
2217 let Inst{20} = L_bit;
2220 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2221 IndexModeUpd, f, itin_upd,
2222 !strconcat(asm, "db${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
2223 let Inst{24-23} = 0b10; // Decrement Before
2224 let Inst{21} = 1; // Writeback
2225 let Inst{20} = L_bit;
2228 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2229 IndexModeNone, f, itin,
2230 !strconcat(asm, "ib${p}\t$Rn, $regs"), "", []> {
2231 let Inst{24-23} = 0b11; // Increment Before
2232 let Inst{21} = 0; // No writeback
2233 let Inst{20} = L_bit;
2236 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2237 IndexModeUpd, f, itin_upd,
2238 !strconcat(asm, "ib${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
2239 let Inst{24-23} = 0b11; // Increment Before
2240 let Inst{21} = 1; // Writeback
2241 let Inst{20} = L_bit;
2245 let neverHasSideEffects = 1 in {
2247 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
2248 defm LDM : arm_ldst_mult<"ldm", 1, LdStMulFrm, IIC_iLoad_m, IIC_iLoad_mu>;
2250 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
2251 defm STM : arm_ldst_mult<"stm", 0, LdStMulFrm, IIC_iStore_m, IIC_iStore_mu>;
2253 } // neverHasSideEffects
2255 // FIXME: remove when we have a way to marking a MI with these properties.
2256 // FIXME: Should pc be an implicit operand like PICADD, etc?
2257 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
2258 hasExtraDefRegAllocReq = 1, isCodeGenOnly = 1 in
2259 def LDMIA_RET : ARMPseudoExpand<(outs GPR:$wb), (ins GPR:$Rn, pred:$p,
2260 reglist:$regs, variable_ops),
2261 4, IIC_iLoad_mBr, [],
2262 (LDMIA_UPD GPR:$wb, GPR:$Rn, pred:$p, reglist:$regs)>,
2263 RegConstraint<"$Rn = $wb">;
2265 //===----------------------------------------------------------------------===//
2266 // Move Instructions.
2269 let neverHasSideEffects = 1 in
2270 def MOVr : AsI1<0b1101, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMOVr,
2271 "mov", "\t$Rd, $Rm", []>, UnaryDP {
2275 let Inst{19-16} = 0b0000;
2276 let Inst{11-4} = 0b00000000;
2279 let Inst{15-12} = Rd;
2282 // A version for the smaller set of tail call registers.
2283 let neverHasSideEffects = 1 in
2284 def MOVr_TC : AsI1<0b1101, (outs tcGPR:$Rd), (ins tcGPR:$Rm), DPFrm,
2285 IIC_iMOVr, "mov", "\t$Rd, $Rm", []>, UnaryDP {
2289 let Inst{11-4} = 0b00000000;
2292 let Inst{15-12} = Rd;
2295 def MOVsr : AsI1<0b1101, (outs GPR:$Rd), (ins shift_so_reg_reg:$src),
2296 DPSoRegRegFrm, IIC_iMOVsr,
2297 "mov", "\t$Rd, $src", [(set GPR:$Rd, shift_so_reg_reg:$src)]>,
2301 let Inst{15-12} = Rd;
2302 let Inst{19-16} = 0b0000;
2303 let Inst{11-8} = src{11-8};
2305 let Inst{6-5} = src{6-5};
2307 let Inst{3-0} = src{3-0};
2311 def MOVsi : AsI1<0b1101, (outs GPR:$Rd), (ins shift_so_reg_imm:$src),
2312 DPSoRegImmFrm, IIC_iMOVsr,
2313 "mov", "\t$Rd, $src", [(set GPR:$Rd, shift_so_reg_imm:$src)]>,
2317 let Inst{15-12} = Rd;
2318 let Inst{19-16} = 0b0000;
2319 let Inst{11-5} = src{11-5};
2321 let Inst{3-0} = src{3-0};
2327 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
2328 def MOVi : AsI1<0b1101, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm, IIC_iMOVi,
2329 "mov", "\t$Rd, $imm", [(set GPR:$Rd, so_imm:$imm)]>, UnaryDP {
2333 let Inst{15-12} = Rd;
2334 let Inst{19-16} = 0b0000;
2335 let Inst{11-0} = imm;
2338 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
2339 def MOVi16 : AI1<0b1000, (outs GPR:$Rd), (ins imm0_65535_expr:$imm),
2341 "movw", "\t$Rd, $imm",
2342 [(set GPR:$Rd, imm0_65535:$imm)]>,
2343 Requires<[IsARM, HasV6T2]>, UnaryDP {
2346 let Inst{15-12} = Rd;
2347 let Inst{11-0} = imm{11-0};
2348 let Inst{19-16} = imm{15-12};
2353 def : InstAlias<"mov${p} $Rd, $imm",
2354 (MOVi16 GPR:$Rd, imm0_65535_expr:$imm, pred:$p)>,
2357 def MOVi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
2358 (ins i32imm:$addr, pclabel:$id), IIC_iMOVi, []>;
2360 let Constraints = "$src = $Rd" in {
2361 def MOVTi16 : AI1<0b1010, (outs GPR:$Rd), (ins GPR:$src, imm0_65535_expr:$imm),
2363 "movt", "\t$Rd, $imm",
2365 (or (and GPR:$src, 0xffff),
2366 lo16AllZero:$imm))]>, UnaryDP,
2367 Requires<[IsARM, HasV6T2]> {
2370 let Inst{15-12} = Rd;
2371 let Inst{11-0} = imm{11-0};
2372 let Inst{19-16} = imm{15-12};
2377 def MOVTi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
2378 (ins GPR:$src, i32imm:$addr, pclabel:$id), IIC_iMOVi, []>;
2382 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
2383 Requires<[IsARM, HasV6T2]>;
2385 let Uses = [CPSR] in
2386 def RRX: PseudoInst<(outs GPR:$Rd), (ins GPR:$Rm), IIC_iMOVsi,
2387 [(set GPR:$Rd, (ARMrrx GPR:$Rm))]>, UnaryDP,
2390 // These aren't really mov instructions, but we have to define them this way
2391 // due to flag operands.
2393 let Defs = [CPSR] in {
2394 def MOVsrl_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
2395 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP,
2397 def MOVsra_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
2398 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP,
2402 //===----------------------------------------------------------------------===//
2403 // Extend Instructions.
2408 def SXTB : AI_ext_rrot<0b01101010,
2409 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
2410 def SXTH : AI_ext_rrot<0b01101011,
2411 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
2413 def SXTAB : AI_exta_rrot<0b01101010,
2414 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
2415 def SXTAH : AI_exta_rrot<0b01101011,
2416 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
2418 def SXTB16 : AI_ext_rrot_np<0b01101000, "sxtb16">;
2420 def SXTAB16 : AI_exta_rrot_np<0b01101000, "sxtab16">;
2424 let AddedComplexity = 16 in {
2425 def UXTB : AI_ext_rrot<0b01101110,
2426 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
2427 def UXTH : AI_ext_rrot<0b01101111,
2428 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
2429 def UXTB16 : AI_ext_rrot<0b01101100,
2430 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
2432 // FIXME: This pattern incorrectly assumes the shl operator is a rotate.
2433 // The transformation should probably be done as a combiner action
2434 // instead so we can include a check for masking back in the upper
2435 // eight bits of the source into the lower eight bits of the result.
2436 //def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
2437 // (UXTB16r_rot GPR:$Src, 3)>;
2438 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
2439 (UXTB16 GPR:$Src, 1)>;
2441 def UXTAB : AI_exta_rrot<0b01101110, "uxtab",
2442 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
2443 def UXTAH : AI_exta_rrot<0b01101111, "uxtah",
2444 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
2447 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
2448 def UXTAB16 : AI_exta_rrot_np<0b01101100, "uxtab16">;
2451 def SBFX : I<(outs GPR:$Rd),
2452 (ins GPR:$Rn, imm0_31:$lsb, imm1_32:$width),
2453 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
2454 "sbfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
2455 Requires<[IsARM, HasV6T2]> {
2460 let Inst{27-21} = 0b0111101;
2461 let Inst{6-4} = 0b101;
2462 let Inst{20-16} = width;
2463 let Inst{15-12} = Rd;
2464 let Inst{11-7} = lsb;
2468 def UBFX : I<(outs GPR:$Rd),
2469 (ins GPR:$Rn, imm0_31:$lsb, imm1_32:$width),
2470 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
2471 "ubfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
2472 Requires<[IsARM, HasV6T2]> {
2477 let Inst{27-21} = 0b0111111;
2478 let Inst{6-4} = 0b101;
2479 let Inst{20-16} = width;
2480 let Inst{15-12} = Rd;
2481 let Inst{11-7} = lsb;
2485 //===----------------------------------------------------------------------===//
2486 // Arithmetic Instructions.
2489 defm ADD : AsI1_bin_irs<0b0100, "add",
2490 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2491 BinOpFrag<(add node:$LHS, node:$RHS)>, "ADD", 1>;
2492 defm SUB : AsI1_bin_irs<0b0010, "sub",
2493 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2494 BinOpFrag<(sub node:$LHS, node:$RHS)>, "SUB">;
2496 // ADD and SUB with 's' bit set.
2497 defm ADDS : AI1_bin_s_irs<0b0100, "adds",
2498 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2499 BinOpFrag<(addc node:$LHS, node:$RHS)>, 1>;
2500 defm SUBS : AI1_bin_s_irs<0b0010, "subs",
2501 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2502 BinOpFrag<(subc node:$LHS, node:$RHS)>>;
2504 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
2505 BinOpFrag<(adde_dead_carry node:$LHS, node:$RHS)>,
2507 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
2508 BinOpFrag<(sube_dead_carry node:$LHS, node:$RHS)>,
2511 // ADC and SUBC with 's' bit set.
2512 let usesCustomInserter = 1 in {
2513 defm ADCS : AI1_adde_sube_s_irs<
2514 BinOpFrag<(adde_live_carry node:$LHS, node:$RHS)>, 1>;
2515 defm SBCS : AI1_adde_sube_s_irs<
2516 BinOpFrag<(sube_live_carry node:$LHS, node:$RHS) >>;
2519 def RSBri : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
2520 IIC_iALUi, "rsb", "\t$Rd, $Rn, $imm",
2521 [(set GPR:$Rd, (sub so_imm:$imm, GPR:$Rn))]> {
2526 let Inst{15-12} = Rd;
2527 let Inst{19-16} = Rn;
2528 let Inst{11-0} = imm;
2531 // The reg/reg form is only defined for the disassembler; for codegen it is
2532 // equivalent to SUBrr.
2533 def RSBrr : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
2534 IIC_iALUr, "rsb", "\t$Rd, $Rn, $Rm",
2535 [/* For disassembly only; pattern left blank */]> {
2539 let Inst{11-4} = 0b00000000;
2542 let Inst{15-12} = Rd;
2543 let Inst{19-16} = Rn;
2546 def RSBrsi : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_imm:$shift),
2547 DPSoRegImmFrm, IIC_iALUsr, "rsb", "\t$Rd, $Rn, $shift",
2548 [(set GPR:$Rd, (sub so_reg_imm:$shift, GPR:$Rn))]> {
2553 let Inst{19-16} = Rn;
2554 let Inst{15-12} = Rd;
2555 let Inst{11-5} = shift{11-5};
2557 let Inst{3-0} = shift{3-0};
2560 def RSBrsr : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_reg:$shift),
2561 DPSoRegRegFrm, IIC_iALUsr, "rsb", "\t$Rd, $Rn, $shift",
2562 [(set GPR:$Rd, (sub so_reg_reg:$shift, GPR:$Rn))]> {
2567 let Inst{19-16} = Rn;
2568 let Inst{15-12} = Rd;
2569 let Inst{11-8} = shift{11-8};
2571 let Inst{6-5} = shift{6-5};
2573 let Inst{3-0} = shift{3-0};
2576 // RSB with 's' bit set.
2577 // NOTE: CPSR def omitted because it will be handled by the custom inserter.
2578 let usesCustomInserter = 1 in {
2579 def RSBSri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2581 [(set GPR:$Rd, (subc so_imm:$imm, GPR:$Rn))]>;
2582 def RSBSrr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2584 [/* For disassembly only; pattern left blank */]>;
2585 def RSBSrsi : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg_imm:$shift),
2587 [(set GPR:$Rd, (subc so_reg_imm:$shift, GPR:$Rn))]>;
2588 def RSBSrsr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg_reg:$shift),
2590 [(set GPR:$Rd, (subc so_reg_reg:$shift, GPR:$Rn))]>;
2593 let Uses = [CPSR] in {
2594 def RSCri : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2595 DPFrm, IIC_iALUi, "rsc", "\t$Rd, $Rn, $imm",
2596 [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>,
2602 let Inst{15-12} = Rd;
2603 let Inst{19-16} = Rn;
2604 let Inst{11-0} = imm;
2606 // The reg/reg form is only defined for the disassembler; for codegen it is
2607 // equivalent to SUBrr.
2608 def RSCrr : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2609 DPFrm, IIC_iALUr, "rsc", "\t$Rd, $Rn, $Rm",
2610 [/* For disassembly only; pattern left blank */]> {
2614 let Inst{11-4} = 0b00000000;
2617 let Inst{15-12} = Rd;
2618 let Inst{19-16} = Rn;
2620 def RSCrsi : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_imm:$shift),
2621 DPSoRegImmFrm, IIC_iALUsr, "rsc", "\t$Rd, $Rn, $shift",
2622 [(set GPR:$Rd, (sube_dead_carry so_reg_imm:$shift, GPR:$Rn))]>,
2628 let Inst{19-16} = Rn;
2629 let Inst{15-12} = Rd;
2630 let Inst{11-5} = shift{11-5};
2632 let Inst{3-0} = shift{3-0};
2634 def RSCrsr : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_reg:$shift),
2635 DPSoRegRegFrm, IIC_iALUsr, "rsc", "\t$Rd, $Rn, $shift",
2636 [(set GPR:$Rd, (sube_dead_carry so_reg_reg:$shift, GPR:$Rn))]>,
2642 let Inst{19-16} = Rn;
2643 let Inst{15-12} = Rd;
2644 let Inst{11-8} = shift{11-8};
2646 let Inst{6-5} = shift{6-5};
2648 let Inst{3-0} = shift{3-0};
2653 // NOTE: CPSR def omitted because it will be handled by the custom inserter.
2654 let usesCustomInserter = 1, Uses = [CPSR] in {
2655 def RSCSri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2657 [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>;
2658 def RSCSrsi : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg_imm:$shift),
2660 [(set GPR:$Rd, (sube_dead_carry so_reg_imm:$shift, GPR:$Rn))]>;
2661 def RSCSrsr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg_reg:$shift),
2663 [(set GPR:$Rd, (sube_dead_carry so_reg_reg:$shift, GPR:$Rn))]>;
2666 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
2667 // The assume-no-carry-in form uses the negation of the input since add/sub
2668 // assume opposite meanings of the carry flag (i.e., carry == !borrow).
2669 // See the definition of AddWithCarry() in the ARM ARM A2.2.1 for the gory
2671 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
2672 (SUBri GPR:$src, so_imm_neg:$imm)>;
2673 def : ARMPat<(addc GPR:$src, so_imm_neg:$imm),
2674 (SUBSri GPR:$src, so_imm_neg:$imm)>;
2675 // The with-carry-in form matches bitwise not instead of the negation.
2676 // Effectively, the inverse interpretation of the carry flag already accounts
2677 // for part of the negation.
2678 def : ARMPat<(adde_dead_carry GPR:$src, so_imm_not:$imm),
2679 (SBCri GPR:$src, so_imm_not:$imm)>;
2680 def : ARMPat<(adde_live_carry GPR:$src, so_imm_not:$imm),
2681 (SBCSri GPR:$src, so_imm_not:$imm)>;
2683 // Note: These are implemented in C++ code, because they have to generate
2684 // ADD/SUBrs instructions, which use a complex pattern that a xform function
2686 // (mul X, 2^n+1) -> (add (X << n), X)
2687 // (mul X, 2^n-1) -> (rsb X, (X << n))
2689 // ARM Arithmetic Instruction
2690 // GPR:$dst = GPR:$a op GPR:$b
2691 class AAI<bits<8> op27_20, bits<8> op11_4, string opc,
2692 list<dag> pattern = [],
2693 dag iops = (ins GPR:$Rn, GPR:$Rm), string asm = "\t$Rd, $Rn, $Rm">
2694 : AI<(outs GPR:$Rd), iops, DPFrm, IIC_iALUr, opc, asm, pattern> {
2698 let Inst{27-20} = op27_20;
2699 let Inst{11-4} = op11_4;
2700 let Inst{19-16} = Rn;
2701 let Inst{15-12} = Rd;
2705 // Saturating add/subtract
2707 def QADD : AAI<0b00010000, 0b00000101, "qadd",
2708 [(set GPR:$Rd, (int_arm_qadd GPR:$Rm, GPR:$Rn))],
2709 (ins GPR:$Rm, GPR:$Rn), "\t$Rd, $Rm, $Rn">;
2710 def QSUB : AAI<0b00010010, 0b00000101, "qsub",
2711 [(set GPR:$Rd, (int_arm_qsub GPR:$Rm, GPR:$Rn))],
2712 (ins GPR:$Rm, GPR:$Rn), "\t$Rd, $Rm, $Rn">;
2713 def QDADD : AAI<0b00010100, 0b00000101, "qdadd", [], (ins GPR:$Rm, GPR:$Rn),
2715 def QDSUB : AAI<0b00010110, 0b00000101, "qdsub", [], (ins GPR:$Rm, GPR:$Rn),
2718 def QADD16 : AAI<0b01100010, 0b11110001, "qadd16">;
2719 def QADD8 : AAI<0b01100010, 0b11111001, "qadd8">;
2720 def QASX : AAI<0b01100010, 0b11110011, "qasx">;
2721 def QSAX : AAI<0b01100010, 0b11110101, "qsax">;
2722 def QSUB16 : AAI<0b01100010, 0b11110111, "qsub16">;
2723 def QSUB8 : AAI<0b01100010, 0b11111111, "qsub8">;
2724 def UQADD16 : AAI<0b01100110, 0b11110001, "uqadd16">;
2725 def UQADD8 : AAI<0b01100110, 0b11111001, "uqadd8">;
2726 def UQASX : AAI<0b01100110, 0b11110011, "uqasx">;
2727 def UQSAX : AAI<0b01100110, 0b11110101, "uqsax">;
2728 def UQSUB16 : AAI<0b01100110, 0b11110111, "uqsub16">;
2729 def UQSUB8 : AAI<0b01100110, 0b11111111, "uqsub8">;
2731 // Signed/Unsigned add/subtract
2733 def SASX : AAI<0b01100001, 0b11110011, "sasx">;
2734 def SADD16 : AAI<0b01100001, 0b11110001, "sadd16">;
2735 def SADD8 : AAI<0b01100001, 0b11111001, "sadd8">;
2736 def SSAX : AAI<0b01100001, 0b11110101, "ssax">;
2737 def SSUB16 : AAI<0b01100001, 0b11110111, "ssub16">;
2738 def SSUB8 : AAI<0b01100001, 0b11111111, "ssub8">;
2739 def UASX : AAI<0b01100101, 0b11110011, "uasx">;
2740 def UADD16 : AAI<0b01100101, 0b11110001, "uadd16">;
2741 def UADD8 : AAI<0b01100101, 0b11111001, "uadd8">;
2742 def USAX : AAI<0b01100101, 0b11110101, "usax">;
2743 def USUB16 : AAI<0b01100101, 0b11110111, "usub16">;
2744 def USUB8 : AAI<0b01100101, 0b11111111, "usub8">;
2746 // Signed/Unsigned halving add/subtract
2748 def SHASX : AAI<0b01100011, 0b11110011, "shasx">;
2749 def SHADD16 : AAI<0b01100011, 0b11110001, "shadd16">;
2750 def SHADD8 : AAI<0b01100011, 0b11111001, "shadd8">;
2751 def SHSAX : AAI<0b01100011, 0b11110101, "shsax">;
2752 def SHSUB16 : AAI<0b01100011, 0b11110111, "shsub16">;
2753 def SHSUB8 : AAI<0b01100011, 0b11111111, "shsub8">;
2754 def UHASX : AAI<0b01100111, 0b11110011, "uhasx">;
2755 def UHADD16 : AAI<0b01100111, 0b11110001, "uhadd16">;
2756 def UHADD8 : AAI<0b01100111, 0b11111001, "uhadd8">;
2757 def UHSAX : AAI<0b01100111, 0b11110101, "uhsax">;
2758 def UHSUB16 : AAI<0b01100111, 0b11110111, "uhsub16">;
2759 def UHSUB8 : AAI<0b01100111, 0b11111111, "uhsub8">;
2761 // Unsigned Sum of Absolute Differences [and Accumulate] -- for disassembly only
2763 def USAD8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2764 MulFrm /* for convenience */, NoItinerary, "usad8",
2765 "\t$Rd, $Rn, $Rm", []>,
2766 Requires<[IsARM, HasV6]> {
2770 let Inst{27-20} = 0b01111000;
2771 let Inst{15-12} = 0b1111;
2772 let Inst{7-4} = 0b0001;
2773 let Inst{19-16} = Rd;
2774 let Inst{11-8} = Rm;
2777 def USADA8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2778 MulFrm /* for convenience */, NoItinerary, "usada8",
2779 "\t$Rd, $Rn, $Rm, $Ra", []>,
2780 Requires<[IsARM, HasV6]> {
2785 let Inst{27-20} = 0b01111000;
2786 let Inst{7-4} = 0b0001;
2787 let Inst{19-16} = Rd;
2788 let Inst{15-12} = Ra;
2789 let Inst{11-8} = Rm;
2793 // Signed/Unsigned saturate -- for disassembly only
2795 def SSAT : AI<(outs GPR:$Rd), (ins imm1_32:$sat_imm, GPR:$Rn, shift_imm:$sh),
2796 SatFrm, NoItinerary, "ssat", "\t$Rd, $sat_imm, $Rn$sh", []> {
2801 let Inst{27-21} = 0b0110101;
2802 let Inst{5-4} = 0b01;
2803 let Inst{20-16} = sat_imm;
2804 let Inst{15-12} = Rd;
2805 let Inst{11-7} = sh{4-0};
2806 let Inst{6} = sh{5};
2810 def SSAT16 : AI<(outs GPR:$Rd), (ins imm1_16:$sat_imm, GPR:$Rn), SatFrm,
2811 NoItinerary, "ssat16", "\t$Rd, $sat_imm, $Rn", []> {
2815 let Inst{27-20} = 0b01101010;
2816 let Inst{11-4} = 0b11110011;
2817 let Inst{15-12} = Rd;
2818 let Inst{19-16} = sat_imm;
2822 def USAT : AI<(outs GPR:$Rd), (ins imm0_31:$sat_imm, GPR:$Rn, shift_imm:$sh),
2823 SatFrm, NoItinerary, "usat", "\t$Rd, $sat_imm, $Rn$sh", []> {
2828 let Inst{27-21} = 0b0110111;
2829 let Inst{5-4} = 0b01;
2830 let Inst{15-12} = Rd;
2831 let Inst{11-7} = sh{4-0};
2832 let Inst{6} = sh{5};
2833 let Inst{20-16} = sat_imm;
2837 def USAT16 : AI<(outs GPR:$Rd), (ins imm0_15:$sat_imm, GPR:$a), SatFrm,
2838 NoItinerary, "usat16", "\t$Rd, $sat_imm, $a",
2839 [/* For disassembly only; pattern left blank */]> {
2843 let Inst{27-20} = 0b01101110;
2844 let Inst{11-4} = 0b11110011;
2845 let Inst{15-12} = Rd;
2846 let Inst{19-16} = sat_imm;
2850 def : ARMV6Pat<(int_arm_ssat GPR:$a, imm:$pos), (SSAT imm:$pos, GPR:$a, 0)>;
2851 def : ARMV6Pat<(int_arm_usat GPR:$a, imm:$pos), (USAT imm:$pos, GPR:$a, 0)>;
2853 //===----------------------------------------------------------------------===//
2854 // Bitwise Instructions.
2857 defm AND : AsI1_bin_irs<0b0000, "and",
2858 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2859 BinOpFrag<(and node:$LHS, node:$RHS)>, "AND", 1>;
2860 defm ORR : AsI1_bin_irs<0b1100, "orr",
2861 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2862 BinOpFrag<(or node:$LHS, node:$RHS)>, "ORR", 1>;
2863 defm EOR : AsI1_bin_irs<0b0001, "eor",
2864 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2865 BinOpFrag<(xor node:$LHS, node:$RHS)>, "EOR", 1>;
2866 defm BIC : AsI1_bin_irs<0b1110, "bic",
2867 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2868 BinOpFrag<(and node:$LHS, (not node:$RHS))>, "BIC">;
2870 // FIXME: bf_inv_mask_imm should be two operands, the lsb and the msb, just
2871 // like in the actual instruction encoding. The complexity of mapping the mask
2872 // to the lsb/msb pair should be handled by ISel, not encapsulated in the
2873 // instruction description.
2874 def BFC : I<(outs GPR:$Rd), (ins GPR:$src, bf_inv_mask_imm:$imm),
2875 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
2876 "bfc", "\t$Rd, $imm", "$src = $Rd",
2877 [(set GPR:$Rd, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
2878 Requires<[IsARM, HasV6T2]> {
2881 let Inst{27-21} = 0b0111110;
2882 let Inst{6-0} = 0b0011111;
2883 let Inst{15-12} = Rd;
2884 let Inst{11-7} = imm{4-0}; // lsb
2885 let Inst{20-16} = imm{9-5}; // msb
2888 // A8.6.18 BFI - Bitfield insert (Encoding A1)
2889 def BFI : I<(outs GPR:$Rd), (ins GPR:$src, GPR:$Rn, bf_inv_mask_imm:$imm),
2890 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
2891 "bfi", "\t$Rd, $Rn, $imm", "$src = $Rd",
2892 [(set GPR:$Rd, (ARMbfi GPR:$src, GPR:$Rn,
2893 bf_inv_mask_imm:$imm))]>,
2894 Requires<[IsARM, HasV6T2]> {
2898 let Inst{27-21} = 0b0111110;
2899 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
2900 let Inst{15-12} = Rd;
2901 let Inst{11-7} = imm{4-0}; // lsb
2902 let Inst{20-16} = imm{9-5}; // width
2906 // GNU as only supports this form of bfi (w/ 4 arguments)
2907 let isAsmParserOnly = 1 in
2908 def BFI4p : I<(outs GPR:$Rd), (ins GPR:$src, GPR:$Rn,
2909 lsb_pos_imm:$lsb, width_imm:$width),
2910 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
2911 "bfi", "\t$Rd, $Rn, $lsb, $width", "$src = $Rd",
2912 []>, Requires<[IsARM, HasV6T2]> {
2917 let Inst{27-21} = 0b0111110;
2918 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
2919 let Inst{15-12} = Rd;
2920 let Inst{11-7} = lsb;
2921 let Inst{20-16} = width; // Custom encoder => lsb+width-1
2925 def MVNr : AsI1<0b1111, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMVNr,
2926 "mvn", "\t$Rd, $Rm",
2927 [(set GPR:$Rd, (not GPR:$Rm))]>, UnaryDP {
2931 let Inst{19-16} = 0b0000;
2932 let Inst{11-4} = 0b00000000;
2933 let Inst{15-12} = Rd;
2936 def MVNsi : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg_imm:$shift), DPSoRegImmFrm,
2937 IIC_iMVNsr, "mvn", "\t$Rd, $shift",
2938 [(set GPR:$Rd, (not so_reg_imm:$shift))]>, UnaryDP {
2942 let Inst{19-16} = 0b0000;
2943 let Inst{15-12} = Rd;
2944 let Inst{11-5} = shift{11-5};
2946 let Inst{3-0} = shift{3-0};
2948 def MVNsr : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg_reg:$shift), DPSoRegRegFrm,
2949 IIC_iMVNsr, "mvn", "\t$Rd, $shift",
2950 [(set GPR:$Rd, (not so_reg_reg:$shift))]>, UnaryDP {
2954 let Inst{19-16} = 0b0000;
2955 let Inst{15-12} = Rd;
2956 let Inst{11-8} = shift{11-8};
2958 let Inst{6-5} = shift{6-5};
2960 let Inst{3-0} = shift{3-0};
2962 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
2963 def MVNi : AsI1<0b1111, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm,
2964 IIC_iMVNi, "mvn", "\t$Rd, $imm",
2965 [(set GPR:$Rd, so_imm_not:$imm)]>,UnaryDP {
2969 let Inst{19-16} = 0b0000;
2970 let Inst{15-12} = Rd;
2971 let Inst{11-0} = imm;
2974 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
2975 (BICri GPR:$src, so_imm_not:$imm)>;
2977 //===----------------------------------------------------------------------===//
2978 // Multiply Instructions.
2980 class AsMul1I32<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
2981 string opc, string asm, list<dag> pattern>
2982 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
2986 let Inst{19-16} = Rd;
2987 let Inst{11-8} = Rm;
2990 class AsMul1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
2991 string opc, string asm, list<dag> pattern>
2992 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
2997 let Inst{19-16} = RdHi;
2998 let Inst{15-12} = RdLo;
2999 let Inst{11-8} = Rm;
3003 // FIXME: The v5 pseudos are only necessary for the additional Constraint
3004 // property. Remove them when it's possible to add those properties
3005 // on an individual MachineInstr, not just an instuction description.
3006 let isCommutable = 1 in {
3007 def MUL : AsMul1I32<0b0000000, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3008 IIC_iMUL32, "mul", "\t$Rd, $Rn, $Rm",
3009 [(set GPR:$Rd, (mul GPR:$Rn, GPR:$Rm))]>,
3010 Requires<[IsARM, HasV6]> {
3011 let Inst{15-12} = 0b0000;
3014 let Constraints = "@earlyclobber $Rd" in
3015 def MULv5: ARMPseudoExpand<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
3016 pred:$p, cc_out:$s),
3018 [(set GPR:$Rd, (mul GPR:$Rn, GPR:$Rm))],
3019 (MUL GPR:$Rd, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3020 Requires<[IsARM, NoV6]>;
3023 def MLA : AsMul1I32<0b0000001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3024 IIC_iMAC32, "mla", "\t$Rd, $Rn, $Rm, $Ra",
3025 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
3026 Requires<[IsARM, HasV6]> {
3028 let Inst{15-12} = Ra;
3031 let Constraints = "@earlyclobber $Rd" in
3032 def MLAv5: ARMPseudoExpand<(outs GPR:$Rd),
3033 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra, pred:$p, cc_out:$s),
3035 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))],
3036 (MLA GPR:$Rd, GPR:$Rn, GPR:$Rm, GPR:$Ra, pred:$p, cc_out:$s)>,
3037 Requires<[IsARM, NoV6]>;
3039 def MLS : AMul1I<0b0000011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3040 IIC_iMAC32, "mls", "\t$Rd, $Rn, $Rm, $Ra",
3041 [(set GPR:$Rd, (sub GPR:$Ra, (mul GPR:$Rn, GPR:$Rm)))]>,
3042 Requires<[IsARM, HasV6T2]> {
3047 let Inst{19-16} = Rd;
3048 let Inst{15-12} = Ra;
3049 let Inst{11-8} = Rm;
3053 // Extra precision multiplies with low / high results
3054 let neverHasSideEffects = 1 in {
3055 let isCommutable = 1 in {
3056 def SMULL : AsMul1I64<0b0000110, (outs GPR:$RdLo, GPR:$RdHi),
3057 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
3058 "smull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3059 Requires<[IsARM, HasV6]>;
3061 def UMULL : AsMul1I64<0b0000100, (outs GPR:$RdLo, GPR:$RdHi),
3062 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
3063 "umull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3064 Requires<[IsARM, HasV6]>;
3066 let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
3067 def SMULLv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3068 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
3070 (SMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3071 Requires<[IsARM, NoV6]>;
3073 def UMULLv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3074 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
3076 (UMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3077 Requires<[IsARM, NoV6]>;
3081 // Multiply + accumulate
3082 def SMLAL : AsMul1I64<0b0000111, (outs GPR:$RdLo, GPR:$RdHi),
3083 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
3084 "smlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3085 Requires<[IsARM, HasV6]>;
3086 def UMLAL : AsMul1I64<0b0000101, (outs GPR:$RdLo, GPR:$RdHi),
3087 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
3088 "umlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3089 Requires<[IsARM, HasV6]>;
3091 def UMAAL : AMul1I <0b0000010, (outs GPR:$RdLo, GPR:$RdHi),
3092 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
3093 "umaal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3094 Requires<[IsARM, HasV6]> {
3099 let Inst{19-16} = RdLo;
3100 let Inst{15-12} = RdHi;
3101 let Inst{11-8} = Rm;
3105 let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
3106 def SMLALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3107 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
3109 (SMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3110 Requires<[IsARM, NoV6]>;
3111 def UMLALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3112 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
3114 (UMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3115 Requires<[IsARM, NoV6]>;
3116 def UMAALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3117 (ins GPR:$Rn, GPR:$Rm, pred:$p),
3119 (UMAAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p)>,
3120 Requires<[IsARM, NoV6]>;
3123 } // neverHasSideEffects
3125 // Most significant word multiply
3126 def SMMUL : AMul2I <0b0111010, 0b0001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3127 IIC_iMUL32, "smmul", "\t$Rd, $Rn, $Rm",
3128 [(set GPR:$Rd, (mulhs GPR:$Rn, GPR:$Rm))]>,
3129 Requires<[IsARM, HasV6]> {
3130 let Inst{15-12} = 0b1111;
3133 def SMMULR : AMul2I <0b0111010, 0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3134 IIC_iMUL32, "smmulr", "\t$Rd, $Rn, $Rm",
3135 [/* For disassembly only; pattern left blank */]>,
3136 Requires<[IsARM, HasV6]> {
3137 let Inst{15-12} = 0b1111;
3140 def SMMLA : AMul2Ia <0b0111010, 0b0001, (outs GPR:$Rd),
3141 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3142 IIC_iMAC32, "smmla", "\t$Rd, $Rn, $Rm, $Ra",
3143 [(set GPR:$Rd, (add (mulhs GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
3144 Requires<[IsARM, HasV6]>;
3146 def SMMLAR : AMul2Ia <0b0111010, 0b0011, (outs GPR:$Rd),
3147 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3148 IIC_iMAC32, "smmlar", "\t$Rd, $Rn, $Rm, $Ra",
3149 [/* For disassembly only; pattern left blank */]>,
3150 Requires<[IsARM, HasV6]>;
3152 def SMMLS : AMul2Ia <0b0111010, 0b1101, (outs GPR:$Rd),
3153 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3154 IIC_iMAC32, "smmls", "\t$Rd, $Rn, $Rm, $Ra",
3155 [(set GPR:$Rd, (sub GPR:$Ra, (mulhs GPR:$Rn, GPR:$Rm)))]>,
3156 Requires<[IsARM, HasV6]>;
3158 def SMMLSR : AMul2Ia <0b0111010, 0b1111, (outs GPR:$Rd),
3159 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3160 IIC_iMAC32, "smmlsr", "\t$Rd, $Rn, $Rm, $Ra",
3161 [/* For disassembly only; pattern left blank */]>,
3162 Requires<[IsARM, HasV6]>;
3164 multiclass AI_smul<string opc, PatFrag opnode> {
3165 def BB : AMulxyI<0b0001011, 0b00, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3166 IIC_iMUL16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm",
3167 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
3168 (sext_inreg GPR:$Rm, i16)))]>,
3169 Requires<[IsARM, HasV5TE]>;
3171 def BT : AMulxyI<0b0001011, 0b10, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3172 IIC_iMUL16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm",
3173 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
3174 (sra GPR:$Rm, (i32 16))))]>,
3175 Requires<[IsARM, HasV5TE]>;
3177 def TB : AMulxyI<0b0001011, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3178 IIC_iMUL16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm",
3179 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
3180 (sext_inreg GPR:$Rm, i16)))]>,
3181 Requires<[IsARM, HasV5TE]>;
3183 def TT : AMulxyI<0b0001011, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3184 IIC_iMUL16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm",
3185 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
3186 (sra GPR:$Rm, (i32 16))))]>,
3187 Requires<[IsARM, HasV5TE]>;
3189 def WB : AMulxyI<0b0001001, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3190 IIC_iMUL16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm",
3191 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
3192 (sext_inreg GPR:$Rm, i16)), (i32 16)))]>,
3193 Requires<[IsARM, HasV5TE]>;
3195 def WT : AMulxyI<0b0001001, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3196 IIC_iMUL16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm",
3197 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
3198 (sra GPR:$Rm, (i32 16))), (i32 16)))]>,
3199 Requires<[IsARM, HasV5TE]>;
3203 multiclass AI_smla<string opc, PatFrag opnode> {
3204 def BB : AMulxyIa<0b0001000, 0b00, (outs GPR:$Rd),
3205 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3206 IIC_iMAC16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm, $Ra",
3207 [(set GPR:$Rd, (add GPR:$Ra,
3208 (opnode (sext_inreg GPR:$Rn, i16),
3209 (sext_inreg GPR:$Rm, i16))))]>,
3210 Requires<[IsARM, HasV5TE]>;
3212 def BT : AMulxyIa<0b0001000, 0b10, (outs GPR:$Rd),
3213 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3214 IIC_iMAC16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm, $Ra",
3215 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sext_inreg GPR:$Rn, i16),
3216 (sra GPR:$Rm, (i32 16)))))]>,
3217 Requires<[IsARM, HasV5TE]>;
3219 def TB : AMulxyIa<0b0001000, 0b01, (outs GPR:$Rd),
3220 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3221 IIC_iMAC16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm, $Ra",
3222 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sra GPR:$Rn, (i32 16)),
3223 (sext_inreg GPR:$Rm, i16))))]>,
3224 Requires<[IsARM, HasV5TE]>;
3226 def TT : AMulxyIa<0b0001000, 0b11, (outs GPR:$Rd),
3227 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3228 IIC_iMAC16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm, $Ra",
3229 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sra GPR:$Rn, (i32 16)),
3230 (sra GPR:$Rm, (i32 16)))))]>,
3231 Requires<[IsARM, HasV5TE]>;
3233 def WB : AMulxyIa<0b0001001, 0b00, (outs GPR:$Rd),
3234 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3235 IIC_iMAC16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm, $Ra",
3236 [(set GPR:$Rd, (add GPR:$Ra, (sra (opnode GPR:$Rn,
3237 (sext_inreg GPR:$Rm, i16)), (i32 16))))]>,
3238 Requires<[IsARM, HasV5TE]>;
3240 def WT : AMulxyIa<0b0001001, 0b10, (outs GPR:$Rd),
3241 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3242 IIC_iMAC16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm, $Ra",
3243 [(set GPR:$Rd, (add GPR:$Ra, (sra (opnode GPR:$Rn,
3244 (sra GPR:$Rm, (i32 16))), (i32 16))))]>,
3245 Requires<[IsARM, HasV5TE]>;
3248 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
3249 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
3251 // Halfword multiply accumulate long: SMLAL<x><y> -- for disassembly only
3252 def SMLALBB : AMulxyI64<0b0001010, 0b00, (outs GPR:$RdLo, GPR:$RdHi),
3253 (ins GPR:$Rn, GPR:$Rm),
3254 IIC_iMAC64, "smlalbb", "\t$RdLo, $RdHi, $Rn, $Rm",
3255 [/* For disassembly only; pattern left blank */]>,
3256 Requires<[IsARM, HasV5TE]>;
3258 def SMLALBT : AMulxyI64<0b0001010, 0b10, (outs GPR:$RdLo, GPR:$RdHi),
3259 (ins GPR:$Rn, GPR:$Rm),
3260 IIC_iMAC64, "smlalbt", "\t$RdLo, $RdHi, $Rn, $Rm",
3261 [/* For disassembly only; pattern left blank */]>,
3262 Requires<[IsARM, HasV5TE]>;
3264 def SMLALTB : AMulxyI64<0b0001010, 0b01, (outs GPR:$RdLo, GPR:$RdHi),
3265 (ins GPR:$Rn, GPR:$Rm),
3266 IIC_iMAC64, "smlaltb", "\t$RdLo, $RdHi, $Rn, $Rm",
3267 [/* For disassembly only; pattern left blank */]>,
3268 Requires<[IsARM, HasV5TE]>;
3270 def SMLALTT : AMulxyI64<0b0001010, 0b11, (outs GPR:$RdLo, GPR:$RdHi),
3271 (ins GPR:$Rn, GPR:$Rm),
3272 IIC_iMAC64, "smlaltt", "\t$RdLo, $RdHi, $Rn, $Rm",
3273 [/* For disassembly only; pattern left blank */]>,
3274 Requires<[IsARM, HasV5TE]>;
3276 // Helper class for AI_smld -- for disassembly only
3277 class AMulDualIbase<bit long, bit sub, bit swap, dag oops, dag iops,
3278 InstrItinClass itin, string opc, string asm>
3279 : AI<oops, iops, MulFrm, itin, opc, asm, []>, Requires<[IsARM, HasV6]> {
3282 let Inst{27-23} = 0b01110;
3283 let Inst{22} = long;
3284 let Inst{21-20} = 0b00;
3285 let Inst{11-8} = Rm;
3292 class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
3293 InstrItinClass itin, string opc, string asm>
3294 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
3296 let Inst{15-12} = 0b1111;
3297 let Inst{19-16} = Rd;
3299 class AMulDualIa<bit long, bit sub, bit swap, dag oops, dag iops,
3300 InstrItinClass itin, string opc, string asm>
3301 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
3304 let Inst{19-16} = Rd;
3305 let Inst{15-12} = Ra;
3307 class AMulDualI64<bit long, bit sub, bit swap, dag oops, dag iops,
3308 InstrItinClass itin, string opc, string asm>
3309 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
3312 let Inst{19-16} = RdHi;
3313 let Inst{15-12} = RdLo;
3316 multiclass AI_smld<bit sub, string opc> {
3318 def D : AMulDualIa<0, sub, 0, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3319 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm, $Ra">;
3321 def DX: AMulDualIa<0, sub, 1, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3322 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm, $Ra">;
3324 def LD: AMulDualI64<1, sub, 0, (outs GPR:$RdLo,GPR:$RdHi),
3325 (ins GPR:$Rn, GPR:$Rm), NoItinerary,
3326 !strconcat(opc, "ld"), "\t$RdLo, $RdHi, $Rn, $Rm">;
3328 def LDX : AMulDualI64<1, sub, 1, (outs GPR:$RdLo,GPR:$RdHi),
3329 (ins GPR:$Rn, GPR:$Rm), NoItinerary,
3330 !strconcat(opc, "ldx"),"\t$RdLo, $RdHi, $Rn, $Rm">;
3334 defm SMLA : AI_smld<0, "smla">;
3335 defm SMLS : AI_smld<1, "smls">;
3337 multiclass AI_sdml<bit sub, string opc> {
3339 def D : AMulDualI<0, sub, 0, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3340 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm">;
3341 def DX : AMulDualI<0, sub, 1, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3342 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm">;
3345 defm SMUA : AI_sdml<0, "smua">;
3346 defm SMUS : AI_sdml<1, "smus">;
3348 //===----------------------------------------------------------------------===//
3349 // Misc. Arithmetic Instructions.
3352 def CLZ : AMiscA1I<0b000010110, 0b0001, (outs GPR:$Rd), (ins GPR:$Rm),
3353 IIC_iUNAr, "clz", "\t$Rd, $Rm",
3354 [(set GPR:$Rd, (ctlz GPR:$Rm))]>, Requires<[IsARM, HasV5T]>;
3356 def RBIT : AMiscA1I<0b01101111, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
3357 IIC_iUNAr, "rbit", "\t$Rd, $Rm",
3358 [(set GPR:$Rd, (ARMrbit GPR:$Rm))]>,
3359 Requires<[IsARM, HasV6T2]>;
3361 def REV : AMiscA1I<0b01101011, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
3362 IIC_iUNAr, "rev", "\t$Rd, $Rm",
3363 [(set GPR:$Rd, (bswap GPR:$Rm))]>, Requires<[IsARM, HasV6]>;
3365 let AddedComplexity = 5 in
3366 def REV16 : AMiscA1I<0b01101011, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
3367 IIC_iUNAr, "rev16", "\t$Rd, $Rm",
3368 [(set GPR:$Rd, (rotr (bswap GPR:$Rm), (i32 16)))]>,
3369 Requires<[IsARM, HasV6]>;
3371 let AddedComplexity = 5 in
3372 def REVSH : AMiscA1I<0b01101111, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
3373 IIC_iUNAr, "revsh", "\t$Rd, $Rm",
3374 [(set GPR:$Rd, (sra (bswap GPR:$Rm), (i32 16)))]>,
3375 Requires<[IsARM, HasV6]>;
3377 def : ARMV6Pat<(or (sra (shl GPR:$Rm, (i32 24)), (i32 16)),
3378 (and (srl GPR:$Rm, (i32 8)), 0xFF)),
3381 def PKHBT : APKHI<0b01101000, 0, (outs GPR:$Rd),
3382 (ins GPR:$Rn, GPR:$Rm, pkh_lsl_amt:$sh),
3383 IIC_iALUsi, "pkhbt", "\t$Rd, $Rn, $Rm$sh",
3384 [(set GPR:$Rd, (or (and GPR:$Rn, 0xFFFF),
3385 (and (shl GPR:$Rm, pkh_lsl_amt:$sh),
3387 Requires<[IsARM, HasV6]>;
3389 // Alternate cases for PKHBT where identities eliminate some nodes.
3390 def : ARMV6Pat<(or (and GPR:$Rn, 0xFFFF), (and GPR:$Rm, 0xFFFF0000)),
3391 (PKHBT GPR:$Rn, GPR:$Rm, 0)>;
3392 def : ARMV6Pat<(or (and GPR:$Rn, 0xFFFF), (shl GPR:$Rm, imm16_31:$sh)),
3393 (PKHBT GPR:$Rn, GPR:$Rm, imm16_31:$sh)>;
3395 // Note: Shifts of 1-15 bits will be transformed to srl instead of sra and
3396 // will match the pattern below.
3397 def PKHTB : APKHI<0b01101000, 1, (outs GPR:$Rd),
3398 (ins GPR:$Rn, GPR:$Rm, pkh_asr_amt:$sh),
3399 IIC_iBITsi, "pkhtb", "\t$Rd, $Rn, $Rm$sh",
3400 [(set GPR:$Rd, (or (and GPR:$Rn, 0xFFFF0000),
3401 (and (sra GPR:$Rm, pkh_asr_amt:$sh),
3403 Requires<[IsARM, HasV6]>;
3405 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
3406 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
3407 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000), (srl GPR:$src2, imm16_31:$sh)),
3408 (PKHTB GPR:$src1, GPR:$src2, imm16_31:$sh)>;
3409 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000),
3410 (and (srl GPR:$src2, imm1_15:$sh), 0xFFFF)),
3411 (PKHTB GPR:$src1, GPR:$src2, imm1_15:$sh)>;
3413 //===----------------------------------------------------------------------===//
3414 // Comparison Instructions...
3417 defm CMP : AI1_cmp_irs<0b1010, "cmp",
3418 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
3419 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
3421 // ARMcmpZ can re-use the above instruction definitions.
3422 def : ARMPat<(ARMcmpZ GPR:$src, so_imm:$imm),
3423 (CMPri GPR:$src, so_imm:$imm)>;
3424 def : ARMPat<(ARMcmpZ GPR:$src, GPR:$rhs),
3425 (CMPrr GPR:$src, GPR:$rhs)>;
3426 def : ARMPat<(ARMcmpZ GPR:$src, so_reg_imm:$rhs),
3427 (CMPrsi GPR:$src, so_reg_imm:$rhs)>;
3428 def : ARMPat<(ARMcmpZ GPR:$src, so_reg_reg:$rhs),
3429 (CMPrsr GPR:$src, so_reg_reg:$rhs)>;
3431 // FIXME: We have to be careful when using the CMN instruction and comparison
3432 // with 0. One would expect these two pieces of code should give identical
3448 // However, the CMN gives the *opposite* result when r1 is 0. This is because
3449 // the carry flag is set in the CMP case but not in the CMN case. In short, the
3450 // CMP instruction doesn't perform a truncate of the (logical) NOT of 0 plus the
3451 // value of r0 and the carry bit (because the "carry bit" parameter to
3452 // AddWithCarry is defined as 1 in this case, the carry flag will always be set
3453 // when r0 >= 0). The CMN instruction doesn't perform a NOT of 0 so there is
3454 // never a "carry" when this AddWithCarry is performed (because the "carry bit"
3455 // parameter to AddWithCarry is defined as 0).
3457 // When x is 0 and unsigned:
3461 // ~x + 1 = 0x1 0000 0000
3462 // (-x = 0) != (0x1 0000 0000 = ~x + 1)
3464 // Therefore, we should disable CMN when comparing against zero, until we can
3465 // limit when the CMN instruction is used (when we know that the RHS is not 0 or
3466 // when it's a comparison which doesn't look at the 'carry' flag).
3468 // (See the ARM docs for the "AddWithCarry" pseudo-code.)
3470 // This is related to <rdar://problem/7569620>.
3472 //defm CMN : AI1_cmp_irs<0b1011, "cmn",
3473 // BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
3475 // Note that TST/TEQ don't set all the same flags that CMP does!
3476 defm TST : AI1_cmp_irs<0b1000, "tst",
3477 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
3478 BinOpFrag<(ARMcmpZ (and_su node:$LHS, node:$RHS), 0)>, 1>;
3479 defm TEQ : AI1_cmp_irs<0b1001, "teq",
3480 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
3481 BinOpFrag<(ARMcmpZ (xor_su node:$LHS, node:$RHS), 0)>, 1>;
3483 defm CMNz : AI1_cmp_irs<0b1011, "cmn",
3484 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
3485 BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>>;
3487 //def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
3488 // (CMNri GPR:$src, so_imm_neg:$imm)>;
3490 def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
3491 (CMNzri GPR:$src, so_imm_neg:$imm)>;
3493 // Pseudo i64 compares for some floating point compares.
3494 let usesCustomInserter = 1, isBranch = 1, isTerminator = 1,
3496 def BCCi64 : PseudoInst<(outs),
3497 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, brtarget:$dst),
3499 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, bb:$dst)]>;
3501 def BCCZi64 : PseudoInst<(outs),
3502 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, brtarget:$dst), IIC_Br,
3503 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, 0, 0, bb:$dst)]>;
3504 } // usesCustomInserter
3507 // Conditional moves
3508 // FIXME: should be able to write a pattern for ARMcmov, but can't use
3509 // a two-value operand where a dag node expects two operands. :(
3510 let neverHasSideEffects = 1 in {
3511 def MOVCCr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$false, GPR:$Rm, pred:$p),
3513 [/*(set GPR:$Rd, (ARMcmov GPR:$false, GPR:$Rm, imm:$cc, CCR:$ccr))*/]>,
3514 RegConstraint<"$false = $Rd">;
3515 def MOVCCsi : ARMPseudoInst<(outs GPR:$Rd),
3516 (ins GPR:$false, so_reg_imm:$shift, pred:$p),
3518 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_reg_imm:$shift, imm:$cc, CCR:$ccr))*/]>,
3519 RegConstraint<"$false = $Rd">;
3520 def MOVCCsr : ARMPseudoInst<(outs GPR:$Rd),
3521 (ins GPR:$false, so_reg_reg:$shift, pred:$p),
3523 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_reg_reg:$shift, imm:$cc, CCR:$ccr))*/]>,
3524 RegConstraint<"$false = $Rd">;
3527 let isMoveImm = 1 in
3528 def MOVCCi16 : ARMPseudoInst<(outs GPR:$Rd),
3529 (ins GPR:$false, imm0_65535_expr:$imm, pred:$p),
3532 RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>;
3534 let isMoveImm = 1 in
3535 def MOVCCi : ARMPseudoInst<(outs GPR:$Rd),
3536 (ins GPR:$false, so_imm:$imm, pred:$p),
3538 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm:$imm, imm:$cc, CCR:$ccr))*/]>,
3539 RegConstraint<"$false = $Rd">;
3541 // Two instruction predicate mov immediate.
3542 let isMoveImm = 1 in
3543 def MOVCCi32imm : ARMPseudoInst<(outs GPR:$Rd),
3544 (ins GPR:$false, i32imm:$src, pred:$p),
3545 8, IIC_iCMOVix2, []>, RegConstraint<"$false = $Rd">;
3547 let isMoveImm = 1 in
3548 def MVNCCi : ARMPseudoInst<(outs GPR:$Rd),
3549 (ins GPR:$false, so_imm:$imm, pred:$p),
3551 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm_not:$imm, imm:$cc, CCR:$ccr))*/]>,
3552 RegConstraint<"$false = $Rd">;
3553 } // neverHasSideEffects
3555 //===----------------------------------------------------------------------===//
3556 // Atomic operations intrinsics
3559 def MemBarrierOptOperand : AsmOperandClass {
3560 let Name = "MemBarrierOpt";
3561 let ParserMethod = "parseMemBarrierOptOperand";
3563 def memb_opt : Operand<i32> {
3564 let PrintMethod = "printMemBOption";
3565 let ParserMatchClass = MemBarrierOptOperand;
3568 // memory barriers protect the atomic sequences
3569 let hasSideEffects = 1 in {
3570 def DMB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
3571 "dmb", "\t$opt", [(ARMMemBarrier (i32 imm:$opt))]>,
3572 Requires<[IsARM, HasDB]> {
3574 let Inst{31-4} = 0xf57ff05;
3575 let Inst{3-0} = opt;
3579 def DSB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
3580 "dsb", "\t$opt", []>,
3581 Requires<[IsARM, HasDB]> {
3583 let Inst{31-4} = 0xf57ff04;
3584 let Inst{3-0} = opt;
3587 // ISB has only full system option
3588 def ISB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
3589 "isb", "\t$opt", []>,
3590 Requires<[IsARM, HasDB]> {
3592 let Inst{31-4} = 0xf57ff06;
3593 let Inst{3-0} = opt;
3596 let usesCustomInserter = 1 in {
3597 let Uses = [CPSR] in {
3598 def ATOMIC_LOAD_ADD_I8 : PseudoInst<
3599 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3600 [(set GPR:$dst, (atomic_load_add_8 GPR:$ptr, GPR:$incr))]>;
3601 def ATOMIC_LOAD_SUB_I8 : PseudoInst<
3602 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3603 [(set GPR:$dst, (atomic_load_sub_8 GPR:$ptr, GPR:$incr))]>;
3604 def ATOMIC_LOAD_AND_I8 : PseudoInst<
3605 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3606 [(set GPR:$dst, (atomic_load_and_8 GPR:$ptr, GPR:$incr))]>;
3607 def ATOMIC_LOAD_OR_I8 : PseudoInst<
3608 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3609 [(set GPR:$dst, (atomic_load_or_8 GPR:$ptr, GPR:$incr))]>;
3610 def ATOMIC_LOAD_XOR_I8 : PseudoInst<
3611 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3612 [(set GPR:$dst, (atomic_load_xor_8 GPR:$ptr, GPR:$incr))]>;
3613 def ATOMIC_LOAD_NAND_I8 : PseudoInst<
3614 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3615 [(set GPR:$dst, (atomic_load_nand_8 GPR:$ptr, GPR:$incr))]>;
3616 def ATOMIC_LOAD_MIN_I8 : PseudoInst<
3617 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3618 [(set GPR:$dst, (atomic_load_min_8 GPR:$ptr, GPR:$val))]>;
3619 def ATOMIC_LOAD_MAX_I8 : PseudoInst<
3620 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3621 [(set GPR:$dst, (atomic_load_max_8 GPR:$ptr, GPR:$val))]>;
3622 def ATOMIC_LOAD_UMIN_I8 : PseudoInst<
3623 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3624 [(set GPR:$dst, (atomic_load_min_8 GPR:$ptr, GPR:$val))]>;
3625 def ATOMIC_LOAD_UMAX_I8 : PseudoInst<
3626 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3627 [(set GPR:$dst, (atomic_load_max_8 GPR:$ptr, GPR:$val))]>;
3628 def ATOMIC_LOAD_ADD_I16 : PseudoInst<
3629 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3630 [(set GPR:$dst, (atomic_load_add_16 GPR:$ptr, GPR:$incr))]>;
3631 def ATOMIC_LOAD_SUB_I16 : PseudoInst<
3632 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3633 [(set GPR:$dst, (atomic_load_sub_16 GPR:$ptr, GPR:$incr))]>;
3634 def ATOMIC_LOAD_AND_I16 : PseudoInst<
3635 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3636 [(set GPR:$dst, (atomic_load_and_16 GPR:$ptr, GPR:$incr))]>;
3637 def ATOMIC_LOAD_OR_I16 : PseudoInst<
3638 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3639 [(set GPR:$dst, (atomic_load_or_16 GPR:$ptr, GPR:$incr))]>;
3640 def ATOMIC_LOAD_XOR_I16 : PseudoInst<
3641 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3642 [(set GPR:$dst, (atomic_load_xor_16 GPR:$ptr, GPR:$incr))]>;
3643 def ATOMIC_LOAD_NAND_I16 : PseudoInst<
3644 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3645 [(set GPR:$dst, (atomic_load_nand_16 GPR:$ptr, GPR:$incr))]>;
3646 def ATOMIC_LOAD_MIN_I16 : PseudoInst<
3647 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3648 [(set GPR:$dst, (atomic_load_min_16 GPR:$ptr, GPR:$val))]>;
3649 def ATOMIC_LOAD_MAX_I16 : PseudoInst<
3650 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3651 [(set GPR:$dst, (atomic_load_max_16 GPR:$ptr, GPR:$val))]>;
3652 def ATOMIC_LOAD_UMIN_I16 : PseudoInst<
3653 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3654 [(set GPR:$dst, (atomic_load_min_16 GPR:$ptr, GPR:$val))]>;
3655 def ATOMIC_LOAD_UMAX_I16 : PseudoInst<
3656 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3657 [(set GPR:$dst, (atomic_load_max_16 GPR:$ptr, GPR:$val))]>;
3658 def ATOMIC_LOAD_ADD_I32 : PseudoInst<
3659 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3660 [(set GPR:$dst, (atomic_load_add_32 GPR:$ptr, GPR:$incr))]>;
3661 def ATOMIC_LOAD_SUB_I32 : PseudoInst<
3662 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3663 [(set GPR:$dst, (atomic_load_sub_32 GPR:$ptr, GPR:$incr))]>;
3664 def ATOMIC_LOAD_AND_I32 : PseudoInst<
3665 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3666 [(set GPR:$dst, (atomic_load_and_32 GPR:$ptr, GPR:$incr))]>;
3667 def ATOMIC_LOAD_OR_I32 : PseudoInst<
3668 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3669 [(set GPR:$dst, (atomic_load_or_32 GPR:$ptr, GPR:$incr))]>;
3670 def ATOMIC_LOAD_XOR_I32 : PseudoInst<
3671 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3672 [(set GPR:$dst, (atomic_load_xor_32 GPR:$ptr, GPR:$incr))]>;
3673 def ATOMIC_LOAD_NAND_I32 : PseudoInst<
3674 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3675 [(set GPR:$dst, (atomic_load_nand_32 GPR:$ptr, GPR:$incr))]>;
3676 def ATOMIC_LOAD_MIN_I32 : PseudoInst<
3677 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3678 [(set GPR:$dst, (atomic_load_min_32 GPR:$ptr, GPR:$val))]>;
3679 def ATOMIC_LOAD_MAX_I32 : PseudoInst<
3680 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3681 [(set GPR:$dst, (atomic_load_max_32 GPR:$ptr, GPR:$val))]>;
3682 def ATOMIC_LOAD_UMIN_I32 : PseudoInst<
3683 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3684 [(set GPR:$dst, (atomic_load_min_32 GPR:$ptr, GPR:$val))]>;
3685 def ATOMIC_LOAD_UMAX_I32 : PseudoInst<
3686 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3687 [(set GPR:$dst, (atomic_load_max_32 GPR:$ptr, GPR:$val))]>;
3689 def ATOMIC_SWAP_I8 : PseudoInst<
3690 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
3691 [(set GPR:$dst, (atomic_swap_8 GPR:$ptr, GPR:$new))]>;
3692 def ATOMIC_SWAP_I16 : PseudoInst<
3693 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
3694 [(set GPR:$dst, (atomic_swap_16 GPR:$ptr, GPR:$new))]>;
3695 def ATOMIC_SWAP_I32 : PseudoInst<
3696 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
3697 [(set GPR:$dst, (atomic_swap_32 GPR:$ptr, GPR:$new))]>;
3699 def ATOMIC_CMP_SWAP_I8 : PseudoInst<
3700 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
3701 [(set GPR:$dst, (atomic_cmp_swap_8 GPR:$ptr, GPR:$old, GPR:$new))]>;
3702 def ATOMIC_CMP_SWAP_I16 : PseudoInst<
3703 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
3704 [(set GPR:$dst, (atomic_cmp_swap_16 GPR:$ptr, GPR:$old, GPR:$new))]>;
3705 def ATOMIC_CMP_SWAP_I32 : PseudoInst<
3706 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
3707 [(set GPR:$dst, (atomic_cmp_swap_32 GPR:$ptr, GPR:$old, GPR:$new))]>;
3711 let mayLoad = 1 in {
3712 def LDREXB : AIldrex<0b10, (outs GPR:$Rt), (ins addrmode7:$addr), NoItinerary,
3713 "ldrexb", "\t$Rt, $addr", []>;
3714 def LDREXH : AIldrex<0b11, (outs GPR:$Rt), (ins addrmode7:$addr), NoItinerary,
3715 "ldrexh", "\t$Rt, $addr", []>;
3716 def LDREX : AIldrex<0b00, (outs GPR:$Rt), (ins addrmode7:$addr), NoItinerary,
3717 "ldrex", "\t$Rt, $addr", []>;
3718 let hasExtraDefRegAllocReq = 1 in
3719 def LDREXD : AIldrex<0b01, (outs GPR:$Rt, GPR:$Rt2), (ins addrmode7:$addr),
3720 NoItinerary, "ldrexd", "\t$Rt, $Rt2, $addr", []>;
3723 let mayStore = 1, Constraints = "@earlyclobber $Rd" in {
3724 def STREXB : AIstrex<0b10, (outs GPR:$Rd), (ins GPR:$Rt, addrmode7:$addr),
3725 NoItinerary, "strexb", "\t$Rd, $Rt, $addr", []>;
3726 def STREXH : AIstrex<0b11, (outs GPR:$Rd), (ins GPR:$Rt, addrmode7:$addr),
3727 NoItinerary, "strexh", "\t$Rd, $Rt, $addr", []>;
3728 def STREX : AIstrex<0b00, (outs GPR:$Rd), (ins GPR:$Rt, addrmode7:$addr),
3729 NoItinerary, "strex", "\t$Rd, $Rt, $addr", []>;
3732 let hasExtraSrcRegAllocReq = 1, Constraints = "@earlyclobber $Rd" in
3733 def STREXD : AIstrex<0b01, (outs GPR:$Rd),
3734 (ins GPR:$Rt, GPR:$Rt2, addrmode7:$addr),
3735 NoItinerary, "strexd", "\t$Rd, $Rt, $Rt2, $addr", []>;
3737 // Clear-Exclusive is for disassembly only.
3738 def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex",
3739 [/* For disassembly only; pattern left blank */]>,
3740 Requires<[IsARM, HasV7]> {
3741 let Inst{31-0} = 0b11110101011111111111000000011111;
3744 // SWP/SWPB are deprecated in V6/V7.
3745 let mayLoad = 1, mayStore = 1 in {
3746 def SWP : AIswp<0, (outs GPR:$Rt), (ins GPR:$Rt2, addrmode7:$addr), "swp", []>;
3747 def SWPB: AIswp<1, (outs GPR:$Rt), (ins GPR:$Rt2, addrmode7:$addr), "swpb", []>;
3750 //===----------------------------------------------------------------------===//
3751 // Coprocessor Instructions.
3754 def CDP : ABI<0b1110, (outs), (ins p_imm:$cop, imm0_15:$opc1,
3755 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, imm0_7:$opc2),
3756 NoItinerary, "cdp", "\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
3757 [(int_arm_cdp imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
3758 imm:$CRm, imm:$opc2)]> {
3766 let Inst{3-0} = CRm;
3768 let Inst{7-5} = opc2;
3769 let Inst{11-8} = cop;
3770 let Inst{15-12} = CRd;
3771 let Inst{19-16} = CRn;
3772 let Inst{23-20} = opc1;
3775 def CDP2 : ABXI<0b1110, (outs), (ins p_imm:$cop, imm0_15:$opc1,
3776 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, imm0_7:$opc2),
3777 NoItinerary, "cdp2\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
3778 [(int_arm_cdp2 imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
3779 imm:$CRm, imm:$opc2)]> {
3780 let Inst{31-28} = 0b1111;
3788 let Inst{3-0} = CRm;
3790 let Inst{7-5} = opc2;
3791 let Inst{11-8} = cop;
3792 let Inst{15-12} = CRd;
3793 let Inst{19-16} = CRn;
3794 let Inst{23-20} = opc1;
3797 class ACI<dag oops, dag iops, string opc, string asm,
3798 IndexMode im = IndexModeNone>
3799 : InoP<oops, iops, AddrModeNone, 4, im, BrFrm, NoItinerary,
3800 opc, asm, "", [/* For disassembly only; pattern left blank */]> {
3801 let Inst{27-25} = 0b110;
3804 multiclass LdStCop<bits<4> op31_28, bit load, dag ops, string opc, string cond>{
3806 def _OFFSET : ACI<(outs),
3807 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
3808 !strconcat(opc, cond), "\tp$cop, cr$CRd, $addr"> {
3809 let Inst{31-28} = op31_28;
3810 let Inst{24} = 1; // P = 1
3811 let Inst{21} = 0; // W = 0
3812 let Inst{22} = 0; // D = 0
3813 let Inst{20} = load;
3816 def _PRE : ACI<(outs),
3817 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
3818 !strconcat(opc, cond), "\tp$cop, cr$CRd, $addr!", IndexModePre> {
3819 let Inst{31-28} = op31_28;
3820 let Inst{24} = 1; // P = 1
3821 let Inst{21} = 1; // W = 1
3822 let Inst{22} = 0; // D = 0
3823 let Inst{20} = load;
3826 def _POST : ACI<(outs),
3827 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
3828 !strconcat(opc, cond), "\tp$cop, cr$CRd, $addr", IndexModePost> {
3829 let Inst{31-28} = op31_28;
3830 let Inst{24} = 0; // P = 0
3831 let Inst{21} = 1; // W = 1
3832 let Inst{22} = 0; // D = 0
3833 let Inst{20} = load;
3836 def _OPTION : ACI<(outs),
3837 !con((ins nohash_imm:$cop,nohash_imm:$CRd,GPR:$base, nohash_imm:$option),
3839 !strconcat(opc, cond), "\tp$cop, cr$CRd, [$base], \\{$option\\}"> {
3840 let Inst{31-28} = op31_28;
3841 let Inst{24} = 0; // P = 0
3842 let Inst{23} = 1; // U = 1
3843 let Inst{21} = 0; // W = 0
3844 let Inst{22} = 0; // D = 0
3845 let Inst{20} = load;
3848 def L_OFFSET : ACI<(outs),
3849 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
3850 !strconcat(!strconcat(opc, "l"), cond), "\tp$cop, cr$CRd, $addr"> {
3851 let Inst{31-28} = op31_28;
3852 let Inst{24} = 1; // P = 1
3853 let Inst{21} = 0; // W = 0
3854 let Inst{22} = 1; // D = 1
3855 let Inst{20} = load;
3858 def L_PRE : ACI<(outs),
3859 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
3860 !strconcat(!strconcat(opc, "l"), cond), "\tp$cop, cr$CRd, $addr!",
3862 let Inst{31-28} = op31_28;
3863 let Inst{24} = 1; // P = 1
3864 let Inst{21} = 1; // W = 1
3865 let Inst{22} = 1; // D = 1
3866 let Inst{20} = load;
3869 def L_POST : ACI<(outs),
3870 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
3871 !strconcat(!strconcat(opc, "l"), cond), "\tp$cop, cr$CRd, $addr",
3873 let Inst{31-28} = op31_28;
3874 let Inst{24} = 0; // P = 0
3875 let Inst{21} = 1; // W = 1
3876 let Inst{22} = 1; // D = 1
3877 let Inst{20} = load;
3880 def L_OPTION : ACI<(outs),
3881 !con((ins nohash_imm:$cop, nohash_imm:$CRd,GPR:$base,nohash_imm:$option),
3883 !strconcat(!strconcat(opc, "l"), cond),
3884 "\tp$cop, cr$CRd, [$base], \\{$option\\}"> {
3885 let Inst{31-28} = op31_28;
3886 let Inst{24} = 0; // P = 0
3887 let Inst{23} = 1; // U = 1
3888 let Inst{21} = 0; // W = 0
3889 let Inst{22} = 1; // D = 1
3890 let Inst{20} = load;
3894 defm LDC : LdStCop<{?,?,?,?}, 1, (ins pred:$p), "ldc", "${p}">;
3895 defm LDC2 : LdStCop<0b1111, 1, (ins), "ldc2", "">;
3896 defm STC : LdStCop<{?,?,?,?}, 0, (ins pred:$p), "stc", "${p}">;
3897 defm STC2 : LdStCop<0b1111, 0, (ins), "stc2", "">;
3899 //===----------------------------------------------------------------------===//
3900 // Move between coprocessor and ARM core register -- for disassembly only
3903 class MovRCopro<string opc, bit direction, dag oops, dag iops,
3905 : ABI<0b1110, oops, iops, NoItinerary, opc,
3906 "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2", pattern> {
3907 let Inst{20} = direction;
3917 let Inst{15-12} = Rt;
3918 let Inst{11-8} = cop;
3919 let Inst{23-21} = opc1;
3920 let Inst{7-5} = opc2;
3921 let Inst{3-0} = CRm;
3922 let Inst{19-16} = CRn;
3925 def MCR : MovRCopro<"mcr", 0 /* from ARM core register to coprocessor */,
3927 (ins p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
3928 c_imm:$CRm, imm0_7:$opc2),
3929 [(int_arm_mcr imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
3930 imm:$CRm, imm:$opc2)]>;
3931 def MRC : MovRCopro<"mrc", 1 /* from coprocessor to ARM core register */,
3933 (ins p_imm:$cop, imm0_7:$opc1, c_imm:$CRn, c_imm:$CRm,
3936 def : ARMPat<(int_arm_mrc imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2),
3937 (MRC imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
3939 class MovRCopro2<string opc, bit direction, dag oops, dag iops,
3941 : ABXI<0b1110, oops, iops, NoItinerary,
3942 !strconcat(opc, "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2"), pattern> {
3943 let Inst{31-28} = 0b1111;
3944 let Inst{20} = direction;
3954 let Inst{15-12} = Rt;
3955 let Inst{11-8} = cop;
3956 let Inst{23-21} = opc1;
3957 let Inst{7-5} = opc2;
3958 let Inst{3-0} = CRm;
3959 let Inst{19-16} = CRn;
3962 def MCR2 : MovRCopro2<"mcr2", 0 /* from ARM core register to coprocessor */,
3964 (ins p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
3965 c_imm:$CRm, imm0_7:$opc2),
3966 [(int_arm_mcr2 imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
3967 imm:$CRm, imm:$opc2)]>;
3968 def MRC2 : MovRCopro2<"mrc2", 1 /* from coprocessor to ARM core register */,
3970 (ins p_imm:$cop, imm0_7:$opc1, c_imm:$CRn, c_imm:$CRm,
3973 def : ARMV5TPat<(int_arm_mrc2 imm:$cop, imm:$opc1, imm:$CRn,
3974 imm:$CRm, imm:$opc2),
3975 (MRC2 imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
3977 class MovRRCopro<string opc, bit direction,
3978 list<dag> pattern = [/* For disassembly only */]>
3979 : ABI<0b1100, (outs), (ins p_imm:$cop, imm0_15:$opc1,
3980 GPR:$Rt, GPR:$Rt2, c_imm:$CRm),
3981 NoItinerary, opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm", pattern> {
3982 let Inst{23-21} = 0b010;
3983 let Inst{20} = direction;
3991 let Inst{15-12} = Rt;
3992 let Inst{19-16} = Rt2;
3993 let Inst{11-8} = cop;
3994 let Inst{7-4} = opc1;
3995 let Inst{3-0} = CRm;
3998 def MCRR : MovRRCopro<"mcrr", 0 /* from ARM core register to coprocessor */,
3999 [(int_arm_mcrr imm:$cop, imm:$opc1, GPR:$Rt, GPR:$Rt2,
4001 def MRRC : MovRRCopro<"mrrc", 1 /* from coprocessor to ARM core register */>;
4003 class MovRRCopro2<string opc, bit direction,
4004 list<dag> pattern = [/* For disassembly only */]>
4005 : ABXI<0b1100, (outs), (ins p_imm:$cop, imm0_15:$opc1,
4006 GPR:$Rt, GPR:$Rt2, c_imm:$CRm), NoItinerary,
4007 !strconcat(opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm"), pattern> {
4008 let Inst{31-28} = 0b1111;
4009 let Inst{23-21} = 0b010;
4010 let Inst{20} = direction;
4018 let Inst{15-12} = Rt;
4019 let Inst{19-16} = Rt2;
4020 let Inst{11-8} = cop;
4021 let Inst{7-4} = opc1;
4022 let Inst{3-0} = CRm;
4025 def MCRR2 : MovRRCopro2<"mcrr2", 0 /* from ARM core register to coprocessor */,
4026 [(int_arm_mcrr2 imm:$cop, imm:$opc1, GPR:$Rt, GPR:$Rt2,
4028 def MRRC2 : MovRRCopro2<"mrrc2", 1 /* from coprocessor to ARM core register */>;
4030 //===----------------------------------------------------------------------===//
4031 // Move between special register and ARM core register
4034 // Move to ARM core register from Special Register
4035 def MRS : ABI<0b0001, (outs GPR:$Rd), (ins), NoItinerary,
4036 "mrs", "\t$Rd, apsr", []> {
4038 let Inst{23-16} = 0b00001111;
4039 let Inst{15-12} = Rd;
4040 let Inst{7-4} = 0b0000;
4043 def : InstAlias<"mrs${p} $Rd, cpsr", (MRS GPR:$Rd, pred:$p)>, Requires<[IsARM]>;
4045 def MRSsys : ABI<0b0001, (outs GPR:$Rd), (ins), NoItinerary,
4046 "mrs", "\t$Rd, spsr", []> {
4048 let Inst{23-16} = 0b01001111;
4049 let Inst{15-12} = Rd;
4050 let Inst{7-4} = 0b0000;
4053 // Move from ARM core register to Special Register
4055 // No need to have both system and application versions, the encodings are the
4056 // same and the assembly parser has no way to distinguish between them. The mask
4057 // operand contains the special register (R Bit) in bit 4 and bits 3-0 contains
4058 // the mask with the fields to be accessed in the special register.
4059 def MSR : ABI<0b0001, (outs), (ins msr_mask:$mask, GPR:$Rn), NoItinerary,
4060 "msr", "\t$mask, $Rn", []> {
4065 let Inst{22} = mask{4}; // R bit
4066 let Inst{21-20} = 0b10;
4067 let Inst{19-16} = mask{3-0};
4068 let Inst{15-12} = 0b1111;
4069 let Inst{11-4} = 0b00000000;
4073 def MSRi : ABI<0b0011, (outs), (ins msr_mask:$mask, so_imm:$a), NoItinerary,
4074 "msr", "\t$mask, $a", []> {
4079 let Inst{22} = mask{4}; // R bit
4080 let Inst{21-20} = 0b10;
4081 let Inst{19-16} = mask{3-0};
4082 let Inst{15-12} = 0b1111;
4086 //===----------------------------------------------------------------------===//
4090 // __aeabi_read_tp preserves the registers r1-r3.
4091 // This is a pseudo inst so that we can get the encoding right,
4092 // complete with fixup for the aeabi_read_tp function.
4094 Defs = [R0, R12, LR, CPSR], Uses = [SP] in {
4095 def TPsoft : PseudoInst<(outs), (ins), IIC_Br,
4096 [(set R0, ARMthread_pointer)]>;
4099 //===----------------------------------------------------------------------===//
4100 // SJLJ Exception handling intrinsics
4101 // eh_sjlj_setjmp() is an instruction sequence to store the return
4102 // address and save #0 in R0 for the non-longjmp case.
4103 // Since by its nature we may be coming from some other function to get
4104 // here, and we're using the stack frame for the containing function to
4105 // save/restore registers, we can't keep anything live in regs across
4106 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
4107 // when we get here from a longjmp(). We force everything out of registers
4108 // except for our own input by listing the relevant registers in Defs. By
4109 // doing so, we also cause the prologue/epilogue code to actively preserve
4110 // all of the callee-saved resgisters, which is exactly what we want.
4111 // A constant value is passed in $val, and we use the location as a scratch.
4113 // These are pseudo-instructions and are lowered to individual MC-insts, so
4114 // no encoding information is necessary.
4116 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR,
4117 QQQQ0, QQQQ1, QQQQ2, QQQQ3 ], hasSideEffects = 1, isBarrier = 1 in {
4118 def Int_eh_sjlj_setjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
4120 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
4121 Requires<[IsARM, HasVFP2]>;
4125 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR ],
4126 hasSideEffects = 1, isBarrier = 1 in {
4127 def Int_eh_sjlj_setjmp_nofp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
4129 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
4130 Requires<[IsARM, NoVFP]>;
4133 // FIXME: Non-Darwin version(s)
4134 let isBarrier = 1, hasSideEffects = 1, isTerminator = 1,
4135 Defs = [ R7, LR, SP ] in {
4136 def Int_eh_sjlj_longjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$scratch),
4138 [(ARMeh_sjlj_longjmp GPR:$src, GPR:$scratch)]>,
4139 Requires<[IsARM, IsDarwin]>;
4142 // eh.sjlj.dispatchsetup pseudo-instruction.
4143 // This pseudo is used for ARM, Thumb1 and Thumb2. Any differences are
4144 // handled when the pseudo is expanded (which happens before any passes
4145 // that need the instruction size).
4146 let isBarrier = 1, hasSideEffects = 1 in
4147 def Int_eh_sjlj_dispatchsetup :
4148 PseudoInst<(outs), (ins GPR:$src), NoItinerary,
4149 [(ARMeh_sjlj_dispatchsetup GPR:$src)]>,
4150 Requires<[IsDarwin]>;
4152 //===----------------------------------------------------------------------===//
4153 // Non-Instruction Patterns
4156 // ARMv4 indirect branch using (MOVr PC, dst)
4157 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in
4158 def MOVPCRX : ARMPseudoExpand<(outs), (ins GPR:$dst),
4159 4, IIC_Br, [(brind GPR:$dst)],
4160 (MOVr PC, GPR:$dst, (ops 14, zero_reg), zero_reg)>,
4161 Requires<[IsARM, NoV4T]>;
4163 // Large immediate handling.
4165 // 32-bit immediate using two piece so_imms or movw + movt.
4166 // This is a single pseudo instruction, the benefit is that it can be remat'd
4167 // as a single unit instead of having to handle reg inputs.
4168 // FIXME: Remove this when we can do generalized remat.
4169 let isReMaterializable = 1, isMoveImm = 1 in
4170 def MOVi32imm : PseudoInst<(outs GPR:$dst), (ins i32imm:$src), IIC_iMOVix2,
4171 [(set GPR:$dst, (arm_i32imm:$src))]>,
4174 // Pseudo instruction that combines movw + movt + add pc (if PIC).
4175 // It also makes it possible to rematerialize the instructions.
4176 // FIXME: Remove this when we can do generalized remat and when machine licm
4177 // can properly the instructions.
4178 let isReMaterializable = 1 in {
4179 def MOV_ga_pcrel : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
4181 [(set GPR:$dst, (ARMWrapperPIC tglobaladdr:$addr))]>,
4182 Requires<[IsARM, UseMovt]>;
4184 def MOV_ga_dyn : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
4186 [(set GPR:$dst, (ARMWrapperDYN tglobaladdr:$addr))]>,
4187 Requires<[IsARM, UseMovt]>;
4189 let AddedComplexity = 10 in
4190 def MOV_ga_pcrel_ldr : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
4192 [(set GPR:$dst, (load (ARMWrapperPIC tglobaladdr:$addr)))]>,
4193 Requires<[IsARM, UseMovt]>;
4194 } // isReMaterializable
4196 // ConstantPool, GlobalAddress, and JumpTable
4197 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>,
4198 Requires<[IsARM, DontUseMovt]>;
4199 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
4200 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
4201 Requires<[IsARM, UseMovt]>;
4202 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
4203 (LEApcrelJT tjumptable:$dst, imm:$id)>;
4205 // TODO: add,sub,and, 3-instr forms?
4208 def : ARMPat<(ARMtcret tcGPR:$dst),
4209 (TCRETURNri tcGPR:$dst)>, Requires<[IsDarwin]>;
4211 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
4212 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
4214 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
4215 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
4217 def : ARMPat<(ARMtcret tcGPR:$dst),
4218 (TCRETURNriND tcGPR:$dst)>, Requires<[IsNotDarwin]>;
4220 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
4221 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
4223 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
4224 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
4227 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>,
4228 Requires<[IsARM, IsNotDarwin]>;
4229 def : ARMPat<(ARMcall texternalsym:$func), (BLr9 texternalsym:$func)>,
4230 Requires<[IsARM, IsDarwin]>;
4232 // zextload i1 -> zextload i8
4233 def : ARMPat<(zextloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
4234 def : ARMPat<(zextloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
4236 // extload -> zextload
4237 def : ARMPat<(extloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
4238 def : ARMPat<(extloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
4239 def : ARMPat<(extloadi8 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
4240 def : ARMPat<(extloadi8 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
4242 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
4244 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
4245 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
4248 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
4249 (sra (shl GPR:$b, (i32 16)), (i32 16))),
4250 (SMULBB GPR:$a, GPR:$b)>;
4251 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
4252 (SMULBB GPR:$a, GPR:$b)>;
4253 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
4254 (sra GPR:$b, (i32 16))),
4255 (SMULBT GPR:$a, GPR:$b)>;
4256 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
4257 (SMULBT GPR:$a, GPR:$b)>;
4258 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
4259 (sra (shl GPR:$b, (i32 16)), (i32 16))),
4260 (SMULTB GPR:$a, GPR:$b)>;
4261 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
4262 (SMULTB GPR:$a, GPR:$b)>;
4263 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
4265 (SMULWB GPR:$a, GPR:$b)>;
4266 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
4267 (SMULWB GPR:$a, GPR:$b)>;
4269 def : ARMV5TEPat<(add GPR:$acc,
4270 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
4271 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
4272 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
4273 def : ARMV5TEPat<(add GPR:$acc,
4274 (mul sext_16_node:$a, sext_16_node:$b)),
4275 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
4276 def : ARMV5TEPat<(add GPR:$acc,
4277 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
4278 (sra GPR:$b, (i32 16)))),
4279 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
4280 def : ARMV5TEPat<(add GPR:$acc,
4281 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
4282 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
4283 def : ARMV5TEPat<(add GPR:$acc,
4284 (mul (sra GPR:$a, (i32 16)),
4285 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
4286 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
4287 def : ARMV5TEPat<(add GPR:$acc,
4288 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
4289 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
4290 def : ARMV5TEPat<(add GPR:$acc,
4291 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
4293 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
4294 def : ARMV5TEPat<(add GPR:$acc,
4295 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
4296 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
4299 // Pre-v7 uses MCR for synchronization barriers.
4300 def : ARMPat<(ARMMemBarrierMCR GPR:$zero), (MCR 15, 0, GPR:$zero, 7, 10, 5)>,
4301 Requires<[IsARM, HasV6]>;
4303 // SXT/UXT with no rotate
4304 let AddedComplexity = 16 in {
4305 def : ARMV6Pat<(and GPR:$Src, 0x000000FF), (UXTB GPR:$Src, 0)>;
4306 def : ARMV6Pat<(and GPR:$Src, 0x0000FFFF), (UXTH GPR:$Src, 0)>;
4307 def : ARMV6Pat<(and GPR:$Src, 0x00FF00FF), (UXTB16 GPR:$Src, 0)>;
4308 def : ARMV6Pat<(add GPR:$Rn, (and GPR:$Rm, 0x00FF)),
4309 (UXTAB GPR:$Rn, GPR:$Rm, 0)>;
4310 def : ARMV6Pat<(add GPR:$Rn, (and GPR:$Rm, 0xFFFF)),
4311 (UXTAH GPR:$Rn, GPR:$Rm, 0)>;
4314 def : ARMV6Pat<(sext_inreg GPR:$Src, i8), (SXTB GPR:$Src, 0)>;
4315 def : ARMV6Pat<(sext_inreg GPR:$Src, i16), (SXTH GPR:$Src, 0)>;
4317 def : ARMV6Pat<(add GPR:$Rn, (sext_inreg GPR:$Rm, i8)),
4318 (SXTAB GPR:$Rn, GPR:$Rm, 0)>;
4319 def : ARMV6Pat<(add GPR:$Rn, (sext_inreg GPR:$Rm, i16)),
4320 (SXTAH GPR:$Rn, GPR:$Rm, 0)>;
4322 //===----------------------------------------------------------------------===//
4326 include "ARMInstrThumb.td"
4328 //===----------------------------------------------------------------------===//
4332 include "ARMInstrThumb2.td"
4334 //===----------------------------------------------------------------------===//
4335 // Floating Point Support
4338 include "ARMInstrVFP.td"
4340 //===----------------------------------------------------------------------===//
4341 // Advanced SIMD (NEON) Support
4344 include "ARMInstrNEON.td"
4346 //===----------------------------------------------------------------------===//
4347 // Assembler aliases
4351 def : InstAlias<"dmb", (DMB 0xf)>, Requires<[IsARM, HasDB]>;
4352 def : InstAlias<"dsb", (DSB 0xf)>, Requires<[IsARM, HasDB]>;
4353 def : InstAlias<"isb", (ISB 0xf)>, Requires<[IsARM, HasDB]>;
4355 // System instructions
4356 def : MnemonicAlias<"swi", "svc">;
4358 // Load / Store Multiple
4359 def : MnemonicAlias<"ldmfd", "ldm">;
4360 def : MnemonicAlias<"ldmia", "ldm">;
4361 def : MnemonicAlias<"stmfd", "stmdb">;
4362 def : MnemonicAlias<"stmia", "stm">;
4363 def : MnemonicAlias<"stmea", "stm">;
4365 // PKHBT/PKHTB with default shift amount. PKHTB is equivalent to PKHBT when the
4366 // shift amount is zero (i.e., unspecified).
4367 def : InstAlias<"pkhbt${p} $Rd, $Rn, $Rm",
4368 (PKHBT GPR:$Rd, GPR:$Rn, GPR:$Rm, 0, pred:$p)>;
4369 def : InstAlias<"pkhtb${p} $Rd, $Rn, $Rm",
4370 (PKHBT GPR:$Rd, GPR:$Rn, GPR:$Rm, 0, pred:$p)>;
4372 // PUSH/POP aliases for STM/LDM
4373 def : InstAlias<"push${p} $regs",
4374 (STMDB_UPD SP, pred:$p, reglist:$regs)>;
4375 def : InstAlias<"pop${p} $regs",
4376 (LDMIA_UPD SP, pred:$p, reglist:$regs)>;
4378 // RSB two-operand forms (optional explicit destination operand)
4379 def : InstAlias<"rsb${s}${p} $Rdn, $imm",
4380 (RSBri GPR:$Rdn, GPR:$Rdn, so_imm:$imm, pred:$p, cc_out:$s)>,
4382 def : InstAlias<"rsb${s}${p} $Rdn, $Rm",
4383 (RSBrr GPR:$Rdn, GPR:$Rdn, GPR:$Rm, pred:$p, cc_out:$s)>,
4385 def : InstAlias<"rsb${s}${p} $Rdn, $shift",
4386 (RSBrsi GPR:$Rdn, GPR:$Rdn, so_reg_imm:$shift, pred:$p,
4387 cc_out:$s)>, Requires<[IsARM]>;
4388 def : InstAlias<"rsb${s}${p} $Rdn, $shift",
4389 (RSBrsr GPR:$Rdn, GPR:$Rdn, so_reg_reg:$shift, pred:$p,
4390 cc_out:$s)>, Requires<[IsARM]>;
4391 // RSC two-operand forms (optional explicit destination operand)
4392 def : InstAlias<"rsc${s}${p} $Rdn, $imm",
4393 (RSCri GPR:$Rdn, GPR:$Rdn, so_imm:$imm, pred:$p, cc_out:$s)>,
4395 def : InstAlias<"rsc${s}${p} $Rdn, $Rm",
4396 (RSCrr GPR:$Rdn, GPR:$Rdn, GPR:$Rm, pred:$p, cc_out:$s)>,
4398 def : InstAlias<"rsc${s}${p} $Rdn, $shift",
4399 (RSCrsi GPR:$Rdn, GPR:$Rdn, so_reg_imm:$shift, pred:$p,
4400 cc_out:$s)>, Requires<[IsARM]>;
4401 def : InstAlias<"rsc${s}${p} $Rdn, $shift",
4402 (RSCrsr GPR:$Rdn, GPR:$Rdn, so_reg_reg:$shift, pred:$p,
4403 cc_out:$s)>, Requires<[IsARM]>;
4405 // SSAT/USAT optional shift operand.
4406 def : InstAlias<"ssat${p} $Rd, $sat_imm, $Rn",
4407 (SSAT GPR:$Rd, imm1_32:$sat_imm, GPR:$Rn, 0, pred:$p)>;
4408 def : InstAlias<"usat${p} $Rd, $sat_imm, $Rn",
4409 (USAT GPR:$Rd, imm0_31:$sat_imm, GPR:$Rn, 0, pred:$p)>;
4412 // Extend instruction optional rotate operand.
4413 def : InstAlias<"sxtab${p} $Rd, $Rn, $Rm",
4414 (SXTAB GPR:$Rd, GPR:$Rn, GPR:$Rm, 0, pred:$p)>;
4415 def : InstAlias<"sxtah${p} $Rd, $Rn, $Rm",
4416 (SXTAH GPR:$Rd, GPR:$Rn, GPR:$Rm, 0, pred:$p)>;
4417 def : InstAlias<"sxtab16${p} $Rd, $Rn, $Rm",
4418 (SXTAB16 GPR:$Rd, GPR:$Rn, GPR:$Rm, 0, pred:$p)>;
4419 def : InstAlias<"sxtb${p} $Rd, $Rm", (SXTB GPR:$Rd, GPR:$Rm, 0, pred:$p)>;
4420 def : InstAlias<"sxtb16${p} $Rd, $Rm", (SXTB16 GPR:$Rd, GPR:$Rm, 0, pred:$p)>;
4421 def : InstAlias<"sxth${p} $Rd, $Rm", (SXTH GPR:$Rd, GPR:$Rm, 0, pred:$p)>;
4423 def : InstAlias<"uxtab${p} $Rd, $Rn, $Rm",
4424 (UXTAB GPR:$Rd, GPR:$Rn, GPR:$Rm, 0, pred:$p)>;
4425 def : InstAlias<"uxtah${p} $Rd, $Rn, $Rm",
4426 (UXTAH GPR:$Rd, GPR:$Rn, GPR:$Rm, 0, pred:$p)>;
4427 def : InstAlias<"uxtab16${p} $Rd, $Rn, $Rm",
4428 (UXTAB16 GPR:$Rd, GPR:$Rn, GPR:$Rm, 0, pred:$p)>;
4429 def : InstAlias<"uxtb${p} $Rd, $Rm", (UXTB GPR:$Rd, GPR:$Rm, 0, pred:$p)>;
4430 def : InstAlias<"uxtb16${p} $Rd, $Rm", (UXTB16 GPR:$Rd, GPR:$Rm, 0, pred:$p)>;
4431 def : InstAlias<"uxth${p} $Rd, $Rm", (UXTH GPR:$Rd, GPR:$Rm, 0, pred:$p)>;