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 {
351 let Name = "RegList";
352 let SuperClasses = [];
355 def DPRRegListAsmOperand : AsmOperandClass {
356 let Name = "DPRRegList";
357 let SuperClasses = [];
360 def SPRRegListAsmOperand : AsmOperandClass {
361 let Name = "SPRRegList";
362 let SuperClasses = [];
365 def reglist : Operand<i32> {
366 let EncoderMethod = "getRegisterListOpValue";
367 let ParserMatchClass = RegListAsmOperand;
368 let PrintMethod = "printRegisterList";
371 def dpr_reglist : Operand<i32> {
372 let EncoderMethod = "getRegisterListOpValue";
373 let ParserMatchClass = DPRRegListAsmOperand;
374 let PrintMethod = "printRegisterList";
377 def spr_reglist : Operand<i32> {
378 let EncoderMethod = "getRegisterListOpValue";
379 let ParserMatchClass = SPRRegListAsmOperand;
380 let PrintMethod = "printRegisterList";
383 // An operand for the CONSTPOOL_ENTRY pseudo-instruction.
384 def cpinst_operand : Operand<i32> {
385 let PrintMethod = "printCPInstOperand";
389 def pclabel : Operand<i32> {
390 let PrintMethod = "printPCLabel";
393 // ADR instruction labels.
394 def adrlabel : Operand<i32> {
395 let EncoderMethod = "getAdrLabelOpValue";
398 def neon_vcvt_imm32 : Operand<i32> {
399 let EncoderMethod = "getNEONVcvtImm32OpValue";
402 // rot_imm: An integer that encodes a rotate amount. Must be 8, 16, or 24.
403 def rot_imm : Operand<i32>, ImmLeaf<i32, [{
404 int32_t v = (int32_t)Imm;
405 return v == 8 || v == 16 || v == 24; }]> {
406 let EncoderMethod = "getRotImmOpValue";
409 def ShifterAsmOperand : AsmOperandClass {
410 let Name = "Shifter";
411 let SuperClasses = [];
414 // shift_imm: An integer that encodes a shift amount and the type of shift
415 // (currently either asr or lsl) using the same encoding used for the
416 // immediates in so_reg operands.
417 def shift_imm : Operand<i32> {
418 let PrintMethod = "printShiftImmOperand";
419 let ParserMatchClass = ShifterAsmOperand;
422 def ShiftedRegAsmOperand : AsmOperandClass {
423 let Name = "ShiftedReg";
426 def ShiftedImmAsmOperand : AsmOperandClass {
427 let Name = "ShiftedImm";
430 // shifter_operand operands: so_reg_reg, so_reg_imm, and so_imm.
431 def so_reg_reg : Operand<i32>, // reg reg imm
432 ComplexPattern<i32, 3, "SelectRegShifterOperand",
433 [shl, srl, sra, rotr]> {
434 let EncoderMethod = "getSORegRegOpValue";
435 let PrintMethod = "printSORegRegOperand";
436 let ParserMatchClass = ShiftedRegAsmOperand;
437 let MIOperandInfo = (ops GPR, GPR, shift_imm);
440 def so_reg_imm : Operand<i32>, // reg imm
441 ComplexPattern<i32, 2, "SelectImmShifterOperand",
442 [shl, srl, sra, rotr]> {
443 let EncoderMethod = "getSORegImmOpValue";
444 let PrintMethod = "printSORegImmOperand";
445 let ParserMatchClass = ShiftedImmAsmOperand;
446 let MIOperandInfo = (ops GPR, shift_imm);
449 // FIXME: Does this need to be distinct from so_reg?
450 def shift_so_reg_reg : Operand<i32>, // reg reg imm
451 ComplexPattern<i32, 3, "SelectShiftRegShifterOperand",
452 [shl,srl,sra,rotr]> {
453 let EncoderMethod = "getSORegRegOpValue";
454 let PrintMethod = "printSORegRegOperand";
455 let MIOperandInfo = (ops GPR, GPR, shift_imm);
458 // FIXME: Does this need to be distinct from so_reg?
459 def shift_so_reg_imm : Operand<i32>, // reg reg imm
460 ComplexPattern<i32, 2, "SelectShiftImmShifterOperand",
461 [shl,srl,sra,rotr]> {
462 let EncoderMethod = "getSORegImmOpValue";
463 let PrintMethod = "printSORegImmOperand";
464 let MIOperandInfo = (ops GPR, shift_imm);
468 // so_imm - Match a 32-bit shifter_operand immediate operand, which is an
469 // 8-bit immediate rotated by an arbitrary number of bits.
470 def SOImmAsmOperand: AsmOperandClass { let Name = "ARMSOImm"; }
471 def so_imm : Operand<i32>, ImmLeaf<i32, [{
472 return ARM_AM::getSOImmVal(Imm) != -1;
474 let EncoderMethod = "getSOImmOpValue";
475 let ParserMatchClass = SOImmAsmOperand;
478 // Break so_imm's up into two pieces. This handles immediates with up to 16
479 // bits set in them. This uses so_imm2part to match and so_imm2part_[12] to
480 // get the first/second pieces.
481 def so_imm2part : PatLeaf<(imm), [{
482 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
485 /// arm_i32imm - True for +V6T2, or true only if so_imm2part is true.
487 def arm_i32imm : PatLeaf<(imm), [{
488 if (Subtarget->hasV6T2Ops())
490 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
493 /// imm0_7 predicate - Immediate in the range [0,31].
494 def Imm0_7AsmOperand: AsmOperandClass { let Name = "Imm0_7"; }
495 def imm0_7 : Operand<i32>, ImmLeaf<i32, [{
496 return Imm >= 0 && Imm < 8;
498 let ParserMatchClass = Imm0_7AsmOperand;
501 /// imm0_15 predicate - Immediate in the range [0,31].
502 def Imm0_15AsmOperand: AsmOperandClass { let Name = "Imm0_15"; }
503 def imm0_15 : Operand<i32>, ImmLeaf<i32, [{
504 return Imm >= 0 && Imm < 16;
506 let ParserMatchClass = Imm0_15AsmOperand;
509 /// imm0_31 predicate - True if the 32-bit immediate is in the range [0,31].
510 def Imm0_31AsmOperand: AsmOperandClass { let Name = "Imm0_31"; }
511 def imm0_31 : Operand<i32>, ImmLeaf<i32, [{
512 return Imm >= 0 && Imm < 32;
515 /// imm0_31_m1 - Matches and prints like imm0_31, but encodes as 'value - 1'.
516 def imm0_31_m1 : Operand<i32>, ImmLeaf<i32, [{
517 return Imm >= 0 && Imm < 32;
519 let EncoderMethod = "getImmMinusOneOpValue";
522 // imm0_65535_expr - For movt/movw - 16-bit immediate that can also reference
523 // a relocatable expression.
525 // FIXME: This really needs a Thumb version separate from the ARM version.
526 // While the range is the same, and can thus use the same match class,
527 // the encoding is different so it should have a different encoder method.
528 def Imm0_65535ExprAsmOperand: AsmOperandClass { let Name = "Imm0_65535Expr"; }
529 def imm0_65535_expr : Operand<i32> {
530 let EncoderMethod = "getHiLo16ImmOpValue";
531 let ParserMatchClass = Imm0_65535ExprAsmOperand;
534 /// bf_inv_mask_imm predicate - An AND mask to clear an arbitrary width bitfield
536 def bf_inv_mask_imm : Operand<i32>,
538 return ARM::isBitFieldInvertedMask(N->getZExtValue());
540 let EncoderMethod = "getBitfieldInvertedMaskOpValue";
541 let PrintMethod = "printBitfieldInvMaskImmOperand";
544 /// lsb_pos_imm - position of the lsb bit, used by BFI4p and t2BFI4p
545 def lsb_pos_imm : Operand<i32>, ImmLeaf<i32, [{
546 return isInt<5>(Imm);
549 /// width_imm - number of bits to be copied, used by BFI4p and t2BFI4p
550 def width_imm : Operand<i32>, ImmLeaf<i32, [{
551 return Imm > 0 && Imm <= 32;
553 let EncoderMethod = "getMsbOpValue";
556 def imm1_32_XFORM: SDNodeXForm<imm, [{
557 return CurDAG->getTargetConstant((int)N->getZExtValue() - 1, MVT::i32);
559 def Imm1_32AsmOperand: AsmOperandClass { let Name = "Imm1_32"; }
560 def imm1_32 : Operand<i32>, PatLeaf<(imm), [{ return Imm > 0 && Imm <= 32; }],
562 let PrintMethod = "printImm1_32Operand";
563 let ParserMatchClass = Imm1_32AsmOperand;
566 // Define ARM specific addressing modes.
568 def MemMode2AsmOperand : AsmOperandClass {
569 let Name = "MemMode2";
570 let SuperClasses = [];
571 let ParserMethod = "tryParseMemMode2Operand";
574 def MemMode3AsmOperand : AsmOperandClass {
575 let Name = "MemMode3";
576 let SuperClasses = [];
577 let ParserMethod = "tryParseMemMode3Operand";
580 // addrmode_imm12 := reg +/- imm12
582 def addrmode_imm12 : Operand<i32>,
583 ComplexPattern<i32, 2, "SelectAddrModeImm12", []> {
584 // 12-bit immediate operand. Note that instructions using this encode
585 // #0 and #-0 differently. We flag #-0 as the magic value INT32_MIN. All other
586 // immediate values are as normal.
588 let EncoderMethod = "getAddrModeImm12OpValue";
589 let PrintMethod = "printAddrModeImm12Operand";
590 let MIOperandInfo = (ops GPR:$base, i32imm:$offsimm);
592 // ldst_so_reg := reg +/- reg shop imm
594 def ldst_so_reg : Operand<i32>,
595 ComplexPattern<i32, 3, "SelectLdStSOReg", []> {
596 let EncoderMethod = "getLdStSORegOpValue";
597 // FIXME: Simplify the printer
598 let PrintMethod = "printAddrMode2Operand";
599 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
602 // addrmode2 := reg +/- imm12
603 // := reg +/- reg shop imm
605 def addrmode2 : Operand<i32>,
606 ComplexPattern<i32, 3, "SelectAddrMode2", []> {
607 let EncoderMethod = "getAddrMode2OpValue";
608 let PrintMethod = "printAddrMode2Operand";
609 let ParserMatchClass = MemMode2AsmOperand;
610 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
613 def am2offset : Operand<i32>,
614 ComplexPattern<i32, 2, "SelectAddrMode2Offset",
615 [], [SDNPWantRoot]> {
616 let EncoderMethod = "getAddrMode2OffsetOpValue";
617 let PrintMethod = "printAddrMode2OffsetOperand";
618 let MIOperandInfo = (ops GPR, i32imm);
621 // addrmode3 := reg +/- reg
622 // addrmode3 := reg +/- imm8
624 def addrmode3 : Operand<i32>,
625 ComplexPattern<i32, 3, "SelectAddrMode3", []> {
626 let EncoderMethod = "getAddrMode3OpValue";
627 let PrintMethod = "printAddrMode3Operand";
628 let ParserMatchClass = MemMode3AsmOperand;
629 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
632 def am3offset : Operand<i32>,
633 ComplexPattern<i32, 2, "SelectAddrMode3Offset",
634 [], [SDNPWantRoot]> {
635 let EncoderMethod = "getAddrMode3OffsetOpValue";
636 let PrintMethod = "printAddrMode3OffsetOperand";
637 let MIOperandInfo = (ops GPR, i32imm);
640 // ldstm_mode := {ia, ib, da, db}
642 def ldstm_mode : OptionalDefOperand<OtherVT, (ops i32), (ops (i32 1))> {
643 let EncoderMethod = "getLdStmModeOpValue";
644 let PrintMethod = "printLdStmModeOperand";
647 def MemMode5AsmOperand : AsmOperandClass {
648 let Name = "MemMode5";
649 let SuperClasses = [];
652 // addrmode5 := reg +/- imm8*4
654 def addrmode5 : Operand<i32>,
655 ComplexPattern<i32, 2, "SelectAddrMode5", []> {
656 let PrintMethod = "printAddrMode5Operand";
657 let MIOperandInfo = (ops GPR:$base, i32imm);
658 let ParserMatchClass = MemMode5AsmOperand;
659 let EncoderMethod = "getAddrMode5OpValue";
662 // addrmode6 := reg with optional alignment
664 def addrmode6 : Operand<i32>,
665 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
666 let PrintMethod = "printAddrMode6Operand";
667 let MIOperandInfo = (ops GPR:$addr, i32imm);
668 let EncoderMethod = "getAddrMode6AddressOpValue";
671 def am6offset : Operand<i32>,
672 ComplexPattern<i32, 1, "SelectAddrMode6Offset",
673 [], [SDNPWantRoot]> {
674 let PrintMethod = "printAddrMode6OffsetOperand";
675 let MIOperandInfo = (ops GPR);
676 let EncoderMethod = "getAddrMode6OffsetOpValue";
679 // Special version of addrmode6 to handle alignment encoding for VST1/VLD1
680 // (single element from one lane) for size 32.
681 def addrmode6oneL32 : Operand<i32>,
682 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
683 let PrintMethod = "printAddrMode6Operand";
684 let MIOperandInfo = (ops GPR:$addr, i32imm);
685 let EncoderMethod = "getAddrMode6OneLane32AddressOpValue";
688 // Special version of addrmode6 to handle alignment encoding for VLD-dup
689 // instructions, specifically VLD4-dup.
690 def addrmode6dup : Operand<i32>,
691 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
692 let PrintMethod = "printAddrMode6Operand";
693 let MIOperandInfo = (ops GPR:$addr, i32imm);
694 let EncoderMethod = "getAddrMode6DupAddressOpValue";
697 // addrmodepc := pc + reg
699 def addrmodepc : Operand<i32>,
700 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
701 let PrintMethod = "printAddrModePCOperand";
702 let MIOperandInfo = (ops GPR, i32imm);
705 def MemMode7AsmOperand : AsmOperandClass {
706 let Name = "MemMode7";
707 let SuperClasses = [];
711 // Used by load/store exclusive instructions. Useful to enable right assembly
712 // parsing and printing. Not used for any codegen matching.
714 def addrmode7 : Operand<i32> {
715 let PrintMethod = "printAddrMode7Operand";
716 let MIOperandInfo = (ops GPR);
717 let ParserMatchClass = MemMode7AsmOperand;
720 def nohash_imm : Operand<i32> {
721 let PrintMethod = "printNoHashImmediate";
724 def CoprocNumAsmOperand : AsmOperandClass {
725 let Name = "CoprocNum";
726 let SuperClasses = [];
727 let ParserMethod = "tryParseCoprocNumOperand";
730 def CoprocRegAsmOperand : AsmOperandClass {
731 let Name = "CoprocReg";
732 let SuperClasses = [];
733 let ParserMethod = "tryParseCoprocRegOperand";
736 def p_imm : Operand<i32> {
737 let PrintMethod = "printPImmediate";
738 let ParserMatchClass = CoprocNumAsmOperand;
741 def c_imm : Operand<i32> {
742 let PrintMethod = "printCImmediate";
743 let ParserMatchClass = CoprocRegAsmOperand;
746 //===----------------------------------------------------------------------===//
748 include "ARMInstrFormats.td"
750 //===----------------------------------------------------------------------===//
751 // Multiclass helpers...
754 /// AsI1_bin_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns for a
755 /// binop that produces a value.
756 multiclass AsI1_bin_irs<bits<4> opcod, string opc,
757 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
758 PatFrag opnode, string baseOpc, bit Commutable = 0> {
759 // The register-immediate version is re-materializable. This is useful
760 // in particular for taking the address of a local.
761 let isReMaterializable = 1 in {
762 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
763 iii, opc, "\t$Rd, $Rn, $imm",
764 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]> {
769 let Inst{19-16} = Rn;
770 let Inst{15-12} = Rd;
771 let Inst{11-0} = imm;
774 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
775 iir, opc, "\t$Rd, $Rn, $Rm",
776 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
781 let isCommutable = Commutable;
782 let Inst{19-16} = Rn;
783 let Inst{15-12} = Rd;
784 let Inst{11-4} = 0b00000000;
788 def rsi : AsI1<opcod, (outs GPR:$Rd),
789 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm,
790 iis, opc, "\t$Rd, $Rn, $shift",
791 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_imm:$shift))]> {
796 let Inst{19-16} = Rn;
797 let Inst{15-12} = Rd;
798 let Inst{11-5} = shift{11-5};
800 let Inst{3-0} = shift{3-0};
803 def rsr : AsI1<opcod, (outs GPR:$Rd),
804 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm,
805 iis, opc, "\t$Rd, $Rn, $shift",
806 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_reg:$shift))]> {
811 let Inst{19-16} = Rn;
812 let Inst{15-12} = Rd;
813 let Inst{11-8} = shift{11-8};
815 let Inst{6-5} = shift{6-5};
817 let Inst{3-0} = shift{3-0};
820 // Assembly aliases for optional destination operand when it's the same
821 // as the source operand.
822 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $imm"),
823 (!cast<Instruction>(!strconcat(baseOpc, "ri")) GPR:$Rdn, GPR:$Rdn,
824 so_imm:$imm, pred:$p,
827 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $Rm"),
828 (!cast<Instruction>(!strconcat(baseOpc, "rr")) GPR:$Rdn, GPR:$Rdn,
832 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
833 (!cast<Instruction>(!strconcat(baseOpc, "rsi")) GPR:$Rdn, GPR:$Rdn,
834 so_reg_imm:$shift, pred:$p,
837 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
838 (!cast<Instruction>(!strconcat(baseOpc, "rsr")) GPR:$Rdn, GPR:$Rdn,
839 so_reg_reg:$shift, pred:$p,
845 /// AI1_bin_s_irs - Similar to AsI1_bin_irs except it sets the 's' bit so the
846 /// instruction modifies the CPSR register.
847 let isCodeGenOnly = 1, Defs = [CPSR] in {
848 multiclass AI1_bin_s_irs<bits<4> opcod, string opc,
849 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
850 PatFrag opnode, bit Commutable = 0> {
851 def ri : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
852 iii, opc, "\t$Rd, $Rn, $imm",
853 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]> {
859 let Inst{19-16} = Rn;
860 let Inst{15-12} = Rd;
861 let Inst{11-0} = imm;
863 def rr : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
864 iir, opc, "\t$Rd, $Rn, $Rm",
865 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
869 let isCommutable = Commutable;
872 let Inst{19-16} = Rn;
873 let Inst{15-12} = Rd;
874 let Inst{11-4} = 0b00000000;
877 def rsi : AI1<opcod, (outs GPR:$Rd),
878 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm,
879 iis, opc, "\t$Rd, $Rn, $shift",
880 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_imm:$shift))]> {
886 let Inst{19-16} = Rn;
887 let Inst{15-12} = Rd;
888 let Inst{11-5} = shift{11-5};
890 let Inst{3-0} = shift{3-0};
893 def rsr : AI1<opcod, (outs GPR:$Rd),
894 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm,
895 iis, opc, "\t$Rd, $Rn, $shift",
896 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_reg:$shift))]> {
902 let Inst{19-16} = Rn;
903 let Inst{15-12} = Rd;
904 let Inst{11-8} = shift{11-8};
906 let Inst{6-5} = shift{6-5};
908 let Inst{3-0} = shift{3-0};
913 /// AI1_cmp_irs - Defines a set of (op r, {so_imm|r|so_reg}) cmp / test
914 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
915 /// a explicit result, only implicitly set CPSR.
916 let isCompare = 1, Defs = [CPSR] in {
917 multiclass AI1_cmp_irs<bits<4> opcod, string opc,
918 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
919 PatFrag opnode, bit Commutable = 0> {
920 def ri : AI1<opcod, (outs), (ins GPR:$Rn, so_imm:$imm), DPFrm, iii,
922 [(opnode GPR:$Rn, so_imm:$imm)]> {
927 let Inst{19-16} = Rn;
928 let Inst{15-12} = 0b0000;
929 let Inst{11-0} = imm;
931 def rr : AI1<opcod, (outs), (ins GPR:$Rn, GPR:$Rm), DPFrm, iir,
933 [(opnode GPR:$Rn, GPR:$Rm)]> {
936 let isCommutable = Commutable;
939 let Inst{19-16} = Rn;
940 let Inst{15-12} = 0b0000;
941 let Inst{11-4} = 0b00000000;
944 def rsi : AI1<opcod, (outs),
945 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm, iis,
946 opc, "\t$Rn, $shift",
947 [(opnode GPR:$Rn, so_reg_imm:$shift)]> {
952 let Inst{19-16} = Rn;
953 let Inst{15-12} = 0b0000;
954 let Inst{11-5} = shift{11-5};
956 let Inst{3-0} = shift{3-0};
958 def rsr : AI1<opcod, (outs),
959 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm, iis,
960 opc, "\t$Rn, $shift",
961 [(opnode GPR:$Rn, so_reg_reg:$shift)]> {
966 let Inst{19-16} = Rn;
967 let Inst{15-12} = 0b0000;
968 let Inst{11-8} = shift{11-8};
970 let Inst{6-5} = shift{6-5};
972 let Inst{3-0} = shift{3-0};
978 /// AI_ext_rrot - A unary operation with two forms: one whose operand is a
979 /// register and one whose operand is a register rotated by 8/16/24.
980 /// FIXME: Remove the 'r' variant. Its rot_imm is zero.
981 multiclass AI_ext_rrot<bits<8> opcod, string opc, PatFrag opnode> {
982 def r : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm),
983 IIC_iEXTr, opc, "\t$Rd, $Rm",
984 [(set GPR:$Rd, (opnode GPR:$Rm))]>,
985 Requires<[IsARM, HasV6]> {
988 let Inst{19-16} = 0b1111;
989 let Inst{15-12} = Rd;
990 let Inst{11-10} = 0b00;
993 def r_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm, rot_imm:$rot),
994 IIC_iEXTr, opc, "\t$Rd, $Rm, ror $rot",
995 [(set GPR:$Rd, (opnode (rotr GPR:$Rm, rot_imm:$rot)))]>,
996 Requires<[IsARM, HasV6]> {
1000 let Inst{19-16} = 0b1111;
1001 let Inst{15-12} = Rd;
1002 let Inst{11-10} = rot;
1007 multiclass AI_ext_rrot_np<bits<8> opcod, string opc> {
1008 def r : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm),
1009 IIC_iEXTr, opc, "\t$Rd, $Rm",
1010 [/* For disassembly only; pattern left blank */]>,
1011 Requires<[IsARM, HasV6]> {
1012 let Inst{19-16} = 0b1111;
1013 let Inst{11-10} = 0b00;
1015 def r_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm, rot_imm:$rot),
1016 IIC_iEXTr, opc, "\t$Rd, $Rm, ror $rot",
1017 [/* For disassembly only; pattern left blank */]>,
1018 Requires<[IsARM, HasV6]> {
1020 let Inst{19-16} = 0b1111;
1021 let Inst{11-10} = rot;
1025 /// AI_exta_rrot - A binary operation with two forms: one whose operand is a
1026 /// register and one whose operand is a register rotated by 8/16/24.
1027 multiclass AI_exta_rrot<bits<8> opcod, string opc, PatFrag opnode> {
1028 def rr : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
1029 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm",
1030 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
1031 Requires<[IsARM, HasV6]> {
1035 let Inst{19-16} = Rn;
1036 let Inst{15-12} = Rd;
1037 let Inst{11-10} = 0b00;
1038 let Inst{9-4} = 0b000111;
1041 def rr_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
1043 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm, ror $rot",
1044 [(set GPR:$Rd, (opnode GPR:$Rn,
1045 (rotr GPR:$Rm, rot_imm:$rot)))]>,
1046 Requires<[IsARM, HasV6]> {
1051 let Inst{19-16} = Rn;
1052 let Inst{15-12} = Rd;
1053 let Inst{11-10} = rot;
1054 let Inst{9-4} = 0b000111;
1059 // For disassembly only.
1060 multiclass AI_exta_rrot_np<bits<8> opcod, string opc> {
1061 def rr : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
1062 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm",
1063 [/* For disassembly only; pattern left blank */]>,
1064 Requires<[IsARM, HasV6]> {
1065 let Inst{11-10} = 0b00;
1067 def rr_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
1069 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm, ror $rot",
1070 [/* For disassembly only; pattern left blank */]>,
1071 Requires<[IsARM, HasV6]> {
1074 let Inst{19-16} = Rn;
1075 let Inst{11-10} = rot;
1079 /// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
1080 multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode,
1081 string baseOpc, bit Commutable = 0> {
1082 let Uses = [CPSR] in {
1083 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
1084 DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
1085 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>,
1091 let Inst{15-12} = Rd;
1092 let Inst{19-16} = Rn;
1093 let Inst{11-0} = imm;
1095 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
1096 DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
1097 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
1102 let Inst{11-4} = 0b00000000;
1104 let isCommutable = Commutable;
1106 let Inst{15-12} = Rd;
1107 let Inst{19-16} = Rn;
1109 def rsi : AsI1<opcod, (outs GPR:$Rd),
1110 (ins GPR:$Rn, so_reg_imm:$shift),
1111 DPSoRegImmFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1112 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_imm:$shift))]>,
1118 let Inst{19-16} = Rn;
1119 let Inst{15-12} = Rd;
1120 let Inst{11-5} = shift{11-5};
1122 let Inst{3-0} = shift{3-0};
1124 def rsr : AsI1<opcod, (outs GPR:$Rd),
1125 (ins GPR:$Rn, so_reg_reg:$shift),
1126 DPSoRegRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1127 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_reg:$shift))]>,
1133 let Inst{19-16} = Rn;
1134 let Inst{15-12} = Rd;
1135 let Inst{11-8} = shift{11-8};
1137 let Inst{6-5} = shift{6-5};
1139 let Inst{3-0} = shift{3-0};
1142 // Assembly aliases for optional destination operand when it's the same
1143 // as the source operand.
1144 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $imm"),
1145 (!cast<Instruction>(!strconcat(baseOpc, "ri")) GPR:$Rdn, GPR:$Rdn,
1146 so_imm:$imm, pred:$p,
1149 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $Rm"),
1150 (!cast<Instruction>(!strconcat(baseOpc, "rr")) GPR:$Rdn, GPR:$Rdn,
1154 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
1155 (!cast<Instruction>(!strconcat(baseOpc, "rsi")) GPR:$Rdn, GPR:$Rdn,
1156 so_reg_imm:$shift, pred:$p,
1159 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
1160 (!cast<Instruction>(!strconcat(baseOpc, "rsr")) GPR:$Rdn, GPR:$Rdn,
1161 so_reg_reg:$shift, pred:$p,
1166 // Carry setting variants
1167 // NOTE: CPSR def omitted because it will be handled by the custom inserter.
1168 let usesCustomInserter = 1 in {
1169 multiclass AI1_adde_sube_s_irs<PatFrag opnode, bit Commutable = 0> {
1170 def ri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
1172 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>;
1173 def rr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
1175 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
1176 let isCommutable = Commutable;
1178 def rsi : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg_imm:$shift),
1180 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_imm:$shift))]>;
1181 def rsr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg_reg:$shift),
1183 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_reg:$shift))]>;
1187 let canFoldAsLoad = 1, isReMaterializable = 1 in {
1188 multiclass AI_ldr1<bit isByte, string opc, InstrItinClass iii,
1189 InstrItinClass iir, PatFrag opnode> {
1190 // Note: We use the complex addrmode_imm12 rather than just an input
1191 // GPR and a constrained immediate so that we can use this to match
1192 // frame index references and avoid matching constant pool references.
1193 def i12: AI2ldst<0b010, 1, isByte, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
1194 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
1195 [(set GPR:$Rt, (opnode addrmode_imm12:$addr))]> {
1198 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1199 let Inst{19-16} = addr{16-13}; // Rn
1200 let Inst{15-12} = Rt;
1201 let Inst{11-0} = addr{11-0}; // imm12
1203 def rs : AI2ldst<0b011, 1, isByte, (outs GPR:$Rt), (ins ldst_so_reg:$shift),
1204 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
1205 [(set GPR:$Rt, (opnode ldst_so_reg:$shift))]> {
1208 let shift{4} = 0; // Inst{4} = 0
1209 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1210 let Inst{19-16} = shift{16-13}; // Rn
1211 let Inst{15-12} = Rt;
1212 let Inst{11-0} = shift{11-0};
1217 multiclass AI_str1<bit isByte, string opc, InstrItinClass iii,
1218 InstrItinClass iir, PatFrag opnode> {
1219 // Note: We use the complex addrmode_imm12 rather than just an input
1220 // GPR and a constrained immediate so that we can use this to match
1221 // frame index references and avoid matching constant pool references.
1222 def i12 : AI2ldst<0b010, 0, isByte, (outs),
1223 (ins GPR:$Rt, addrmode_imm12:$addr),
1224 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
1225 [(opnode GPR:$Rt, addrmode_imm12:$addr)]> {
1228 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1229 let Inst{19-16} = addr{16-13}; // Rn
1230 let Inst{15-12} = Rt;
1231 let Inst{11-0} = addr{11-0}; // imm12
1233 def rs : AI2ldst<0b011, 0, isByte, (outs), (ins GPR:$Rt, ldst_so_reg:$shift),
1234 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
1235 [(opnode GPR:$Rt, ldst_so_reg:$shift)]> {
1238 let shift{4} = 0; // Inst{4} = 0
1239 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1240 let Inst{19-16} = shift{16-13}; // Rn
1241 let Inst{15-12} = Rt;
1242 let Inst{11-0} = shift{11-0};
1245 //===----------------------------------------------------------------------===//
1247 //===----------------------------------------------------------------------===//
1249 //===----------------------------------------------------------------------===//
1250 // Miscellaneous Instructions.
1253 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
1254 /// the function. The first operand is the ID# for this instruction, the second
1255 /// is the index into the MachineConstantPool that this is, the third is the
1256 /// size in bytes of this constant pool entry.
1257 let neverHasSideEffects = 1, isNotDuplicable = 1 in
1258 def CONSTPOOL_ENTRY :
1259 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
1260 i32imm:$size), NoItinerary, []>;
1262 // FIXME: Marking these as hasSideEffects is necessary to prevent machine DCE
1263 // from removing one half of the matched pairs. That breaks PEI, which assumes
1264 // these will always be in pairs, and asserts if it finds otherwise. Better way?
1265 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
1266 def ADJCALLSTACKUP :
1267 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary,
1268 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
1270 def ADJCALLSTACKDOWN :
1271 PseudoInst<(outs), (ins i32imm:$amt, pred:$p), NoItinerary,
1272 [(ARMcallseq_start timm:$amt)]>;
1275 def NOP : AI<(outs), (ins), MiscFrm, NoItinerary, "nop", "",
1276 [/* For disassembly only; pattern left blank */]>,
1277 Requires<[IsARM, HasV6T2]> {
1278 let Inst{27-16} = 0b001100100000;
1279 let Inst{15-8} = 0b11110000;
1280 let Inst{7-0} = 0b00000000;
1283 def YIELD : AI<(outs), (ins), MiscFrm, NoItinerary, "yield", "",
1284 [/* For disassembly only; pattern left blank */]>,
1285 Requires<[IsARM, HasV6T2]> {
1286 let Inst{27-16} = 0b001100100000;
1287 let Inst{15-8} = 0b11110000;
1288 let Inst{7-0} = 0b00000001;
1291 def WFE : AI<(outs), (ins), MiscFrm, NoItinerary, "wfe", "",
1292 [/* For disassembly only; pattern left blank */]>,
1293 Requires<[IsARM, HasV6T2]> {
1294 let Inst{27-16} = 0b001100100000;
1295 let Inst{15-8} = 0b11110000;
1296 let Inst{7-0} = 0b00000010;
1299 def WFI : AI<(outs), (ins), MiscFrm, NoItinerary, "wfi", "",
1300 [/* For disassembly only; pattern left blank */]>,
1301 Requires<[IsARM, HasV6T2]> {
1302 let Inst{27-16} = 0b001100100000;
1303 let Inst{15-8} = 0b11110000;
1304 let Inst{7-0} = 0b00000011;
1307 def SEL : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm, NoItinerary, "sel",
1308 "\t$dst, $a, $b", []>, Requires<[IsARM, HasV6]> {
1313 let Inst{15-12} = Rd;
1314 let Inst{19-16} = Rn;
1315 let Inst{27-20} = 0b01101000;
1316 let Inst{7-4} = 0b1011;
1317 let Inst{11-8} = 0b1111;
1320 def SEV : AI<(outs), (ins), MiscFrm, NoItinerary, "sev", "",
1321 []>, Requires<[IsARM, HasV6T2]> {
1322 let Inst{27-16} = 0b001100100000;
1323 let Inst{15-8} = 0b11110000;
1324 let Inst{7-0} = 0b00000100;
1327 // The i32imm operand $val can be used by a debugger to store more information
1328 // about the breakpoint.
1329 def BKPT : AI<(outs), (ins imm0_65535:$val), MiscFrm, NoItinerary,
1330 "bkpt", "\t$val", []>, Requires<[IsARM]> {
1332 let Inst{3-0} = val{3-0};
1333 let Inst{19-8} = val{15-4};
1334 let Inst{27-20} = 0b00010010;
1335 let Inst{7-4} = 0b0111;
1338 // Change Processor State is a system instruction -- for disassembly and
1340 // FIXME: Since the asm parser has currently no clean way to handle optional
1341 // operands, create 3 versions of the same instruction. Once there's a clean
1342 // framework to represent optional operands, change this behavior.
1343 class CPS<dag iops, string asm_ops>
1344 : AXI<(outs), iops, MiscFrm, NoItinerary, !strconcat("cps", asm_ops),
1345 [/* For disassembly only; pattern left blank */]>, Requires<[IsARM]> {
1351 let Inst{31-28} = 0b1111;
1352 let Inst{27-20} = 0b00010000;
1353 let Inst{19-18} = imod;
1354 let Inst{17} = M; // Enabled if mode is set;
1356 let Inst{8-6} = iflags;
1358 let Inst{4-0} = mode;
1362 def CPS3p : CPS<(ins imod_op:$imod, iflags_op:$iflags, i32imm:$mode),
1363 "$imod\t$iflags, $mode">;
1364 let mode = 0, M = 0 in
1365 def CPS2p : CPS<(ins imod_op:$imod, iflags_op:$iflags), "$imod\t$iflags">;
1367 let imod = 0, iflags = 0, M = 1 in
1368 def CPS1p : CPS<(ins i32imm:$mode), "\t$mode">;
1370 // Preload signals the memory system of possible future data/instruction access.
1371 // These are for disassembly only.
1372 multiclass APreLoad<bits<1> read, bits<1> data, string opc> {
1374 def i12 : AXI<(outs), (ins addrmode_imm12:$addr), MiscFrm, IIC_Preload,
1375 !strconcat(opc, "\t$addr"),
1376 [(ARMPreload addrmode_imm12:$addr, (i32 read), (i32 data))]> {
1379 let Inst{31-26} = 0b111101;
1380 let Inst{25} = 0; // 0 for immediate form
1381 let Inst{24} = data;
1382 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1383 let Inst{22} = read;
1384 let Inst{21-20} = 0b01;
1385 let Inst{19-16} = addr{16-13}; // Rn
1386 let Inst{15-12} = 0b1111;
1387 let Inst{11-0} = addr{11-0}; // imm12
1390 def rs : AXI<(outs), (ins ldst_so_reg:$shift), MiscFrm, IIC_Preload,
1391 !strconcat(opc, "\t$shift"),
1392 [(ARMPreload ldst_so_reg:$shift, (i32 read), (i32 data))]> {
1394 let Inst{31-26} = 0b111101;
1395 let Inst{25} = 1; // 1 for register form
1396 let Inst{24} = data;
1397 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1398 let Inst{22} = read;
1399 let Inst{21-20} = 0b01;
1400 let Inst{19-16} = shift{16-13}; // Rn
1401 let Inst{15-12} = 0b1111;
1402 let Inst{11-0} = shift{11-0};
1406 defm PLD : APreLoad<1, 1, "pld">, Requires<[IsARM]>;
1407 defm PLDW : APreLoad<0, 1, "pldw">, Requires<[IsARM,HasV7,HasMP]>;
1408 defm PLI : APreLoad<1, 0, "pli">, Requires<[IsARM,HasV7]>;
1410 def SETEND : AXI<(outs), (ins setend_op:$end), MiscFrm, NoItinerary,
1411 "setend\t$end", []>, Requires<[IsARM]> {
1413 let Inst{31-10} = 0b1111000100000001000000;
1418 def DBG : AI<(outs), (ins imm0_15:$opt), MiscFrm, NoItinerary, "dbg", "\t$opt",
1419 []>, Requires<[IsARM, HasV7]> {
1421 let Inst{27-4} = 0b001100100000111100001111;
1422 let Inst{3-0} = opt;
1425 // A5.4 Permanently UNDEFINED instructions.
1426 let isBarrier = 1, isTerminator = 1 in
1427 def TRAP : AXI<(outs), (ins), MiscFrm, NoItinerary,
1430 let Inst = 0xe7ffdefe;
1433 // Address computation and loads and stores in PIC mode.
1434 let isNotDuplicable = 1 in {
1435 def PICADD : ARMPseudoInst<(outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
1437 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
1439 let AddedComplexity = 10 in {
1440 def PICLDR : ARMPseudoInst<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
1442 [(set GPR:$dst, (load addrmodepc:$addr))]>;
1444 def PICLDRH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1446 [(set GPR:$Rt, (zextloadi16 addrmodepc:$addr))]>;
1448 def PICLDRB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1450 [(set GPR:$Rt, (zextloadi8 addrmodepc:$addr))]>;
1452 def PICLDRSH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1454 [(set GPR:$Rt, (sextloadi16 addrmodepc:$addr))]>;
1456 def PICLDRSB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1458 [(set GPR:$Rt, (sextloadi8 addrmodepc:$addr))]>;
1460 let AddedComplexity = 10 in {
1461 def PICSTR : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1462 4, IIC_iStore_r, [(store GPR:$src, addrmodepc:$addr)]>;
1464 def PICSTRH : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1465 4, IIC_iStore_bh_r, [(truncstorei16 GPR:$src,
1466 addrmodepc:$addr)]>;
1468 def PICSTRB : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1469 4, IIC_iStore_bh_r, [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
1471 } // isNotDuplicable = 1
1474 // LEApcrel - Load a pc-relative address into a register without offending the
1476 let neverHasSideEffects = 1, isReMaterializable = 1 in
1477 // The 'adr' mnemonic encodes differently if the label is before or after
1478 // the instruction. The {24-21} opcode bits are set by the fixup, as we don't
1479 // know until then which form of the instruction will be used.
1480 def ADR : AI1<{0,?,?,0}, (outs GPR:$Rd), (ins adrlabel:$label),
1481 MiscFrm, IIC_iALUi, "adr", "\t$Rd, #$label", []> {
1484 let Inst{27-25} = 0b001;
1486 let Inst{19-16} = 0b1111;
1487 let Inst{15-12} = Rd;
1488 let Inst{11-0} = label;
1490 def LEApcrel : ARMPseudoInst<(outs GPR:$Rd), (ins i32imm:$label, pred:$p),
1493 def LEApcrelJT : ARMPseudoInst<(outs GPR:$Rd),
1494 (ins i32imm:$label, nohash_imm:$id, pred:$p),
1497 //===----------------------------------------------------------------------===//
1498 // Control Flow Instructions.
1501 let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
1503 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1504 "bx", "\tlr", [(ARMretflag)]>,
1505 Requires<[IsARM, HasV4T]> {
1506 let Inst{27-0} = 0b0001001011111111111100011110;
1510 def MOVPCLR : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1511 "mov", "\tpc, lr", [(ARMretflag)]>,
1512 Requires<[IsARM, NoV4T]> {
1513 let Inst{27-0} = 0b0001101000001111000000001110;
1517 // Indirect branches
1518 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
1520 def BX : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
1521 [(brind GPR:$dst)]>,
1522 Requires<[IsARM, HasV4T]> {
1524 let Inst{31-4} = 0b1110000100101111111111110001;
1525 let Inst{3-0} = dst;
1528 def BX_pred : AI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br,
1529 "bx", "\t$dst", [/* pattern left blank */]>,
1530 Requires<[IsARM, HasV4T]> {
1532 let Inst{27-4} = 0b000100101111111111110001;
1533 let Inst{3-0} = dst;
1537 // All calls clobber the non-callee saved registers. SP is marked as
1538 // a use to prevent stack-pointer assignments that appear immediately
1539 // before calls from potentially appearing dead.
1541 // On non-Darwin platforms R9 is callee-saved.
1542 // FIXME: Do we really need a non-predicated version? If so, it should
1543 // at least be a pseudo instruction expanding to the predicated version
1544 // at MC lowering time.
1545 Defs = [R0, R1, R2, R3, R12, LR, QQQQ0, QQQQ2, QQQQ3, CPSR, FPSCR],
1547 def BL : ABXI<0b1011, (outs), (ins bl_target:$func, variable_ops),
1548 IIC_Br, "bl\t$func",
1549 [(ARMcall tglobaladdr:$func)]>,
1550 Requires<[IsARM, IsNotDarwin]> {
1551 let Inst{31-28} = 0b1110;
1553 let Inst{23-0} = func;
1556 def BL_pred : ABI<0b1011, (outs), (ins bl_target:$func, variable_ops),
1557 IIC_Br, "bl", "\t$func",
1558 [(ARMcall_pred tglobaladdr:$func)]>,
1559 Requires<[IsARM, IsNotDarwin]> {
1561 let Inst{23-0} = func;
1565 def BLX : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1566 IIC_Br, "blx\t$func",
1567 [(ARMcall GPR:$func)]>,
1568 Requires<[IsARM, HasV5T, IsNotDarwin]> {
1570 let Inst{31-4} = 0b1110000100101111111111110011;
1571 let Inst{3-0} = func;
1574 def BLX_pred : AI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1575 IIC_Br, "blx", "\t$func",
1576 [(ARMcall_pred GPR:$func)]>,
1577 Requires<[IsARM, HasV5T, IsNotDarwin]> {
1579 let Inst{27-4} = 0b000100101111111111110011;
1580 let Inst{3-0} = func;
1584 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1585 def BX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1586 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1587 Requires<[IsARM, HasV4T, IsNotDarwin]>;
1590 def BMOVPCRX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1591 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1592 Requires<[IsARM, NoV4T, IsNotDarwin]>;
1596 // On Darwin R9 is call-clobbered.
1597 // R7 is marked as a use to prevent frame-pointer assignments from being
1598 // moved above / below calls.
1599 Defs = [R0, R1, R2, R3, R9, R12, LR, QQQQ0, QQQQ2, QQQQ3, CPSR, FPSCR],
1600 Uses = [R7, SP] in {
1601 def BLr9 : ARMPseudoExpand<(outs), (ins bl_target:$func, variable_ops),
1603 [(ARMcall tglobaladdr:$func)], (BL bl_target:$func)>,
1604 Requires<[IsARM, IsDarwin]>;
1606 def BLr9_pred : ARMPseudoExpand<(outs),
1607 (ins bl_target:$func, pred:$p, variable_ops),
1609 [(ARMcall_pred tglobaladdr:$func)],
1610 (BL_pred bl_target:$func, pred:$p)>,
1611 Requires<[IsARM, IsDarwin]>;
1614 def BLXr9 : ARMPseudoExpand<(outs), (ins GPR:$func, variable_ops),
1616 [(ARMcall GPR:$func)],
1618 Requires<[IsARM, HasV5T, IsDarwin]>;
1620 def BLXr9_pred: ARMPseudoExpand<(outs), (ins GPR:$func, pred:$p,variable_ops),
1622 [(ARMcall_pred GPR:$func)],
1623 (BLX_pred GPR:$func, pred:$p)>,
1624 Requires<[IsARM, HasV5T, IsDarwin]>;
1627 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1628 def BXr9_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1629 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1630 Requires<[IsARM, HasV4T, IsDarwin]>;
1633 def BMOVPCRXr9_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1634 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1635 Requires<[IsARM, NoV4T, IsDarwin]>;
1638 let isBranch = 1, isTerminator = 1 in {
1639 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
1640 // a two-value operand where a dag node expects two operands. :(
1641 def Bcc : ABI<0b1010, (outs), (ins br_target:$target),
1642 IIC_Br, "b", "\t$target",
1643 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]> {
1645 let Inst{23-0} = target;
1648 let isBarrier = 1 in {
1649 // B is "predicable" since it's just a Bcc with an 'always' condition.
1650 let isPredicable = 1 in
1651 // FIXME: We shouldn't need this pseudo at all. Just using Bcc directly
1652 // should be sufficient.
1653 // FIXME: Is B really a Barrier? That doesn't seem right.
1654 def B : ARMPseudoExpand<(outs), (ins br_target:$target), 4, IIC_Br,
1655 [(br bb:$target)], (Bcc br_target:$target, (ops 14, zero_reg))>;
1657 let isNotDuplicable = 1, isIndirectBranch = 1 in {
1658 def BR_JTr : ARMPseudoInst<(outs),
1659 (ins GPR:$target, i32imm:$jt, i32imm:$id),
1661 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]>;
1662 // FIXME: This shouldn't use the generic "addrmode2," but rather be split
1663 // into i12 and rs suffixed versions.
1664 def BR_JTm : ARMPseudoInst<(outs),
1665 (ins addrmode2:$target, i32imm:$jt, i32imm:$id),
1667 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
1669 def BR_JTadd : ARMPseudoInst<(outs),
1670 (ins GPR:$target, GPR:$idx, i32imm:$jt, i32imm:$id),
1672 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
1674 } // isNotDuplicable = 1, isIndirectBranch = 1
1679 // BLX (immediate) -- for disassembly only
1680 def BLXi : AXI<(outs), (ins br_target:$target), BrMiscFrm, NoItinerary,
1681 "blx\t$target", [/* pattern left blank */]>,
1682 Requires<[IsARM, HasV5T]> {
1683 let Inst{31-25} = 0b1111101;
1685 let Inst{23-0} = target{24-1};
1686 let Inst{24} = target{0};
1689 // Branch and Exchange Jazelle
1690 def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
1691 [/* pattern left blank */]> {
1693 let Inst{23-20} = 0b0010;
1694 let Inst{19-8} = 0xfff;
1695 let Inst{7-4} = 0b0010;
1696 let Inst{3-0} = func;
1701 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in {
1703 let Defs = [R0, R1, R2, R3, R9, R12, QQQQ0, QQQQ2, QQQQ3, PC],
1705 def TCRETURNdi : PseudoInst<(outs), (ins i32imm:$dst, variable_ops),
1706 IIC_Br, []>, Requires<[IsDarwin]>;
1708 def TCRETURNri : PseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
1709 IIC_Br, []>, Requires<[IsDarwin]>;
1711 def TAILJMPd : ARMPseudoExpand<(outs), (ins br_target:$dst, variable_ops),
1713 (Bcc br_target:$dst, (ops 14, zero_reg))>,
1714 Requires<[IsARM, IsDarwin]>;
1716 def TAILJMPr : ARMPseudoExpand<(outs), (ins tcGPR:$dst, variable_ops),
1719 Requires<[IsARM, IsDarwin]>;
1723 // Non-Darwin versions (the difference is R9).
1724 let Defs = [R0, R1, R2, R3, R12, QQQQ0, QQQQ2, QQQQ3, PC],
1726 def TCRETURNdiND : PseudoInst<(outs), (ins i32imm:$dst, variable_ops),
1727 IIC_Br, []>, Requires<[IsNotDarwin]>;
1729 def TCRETURNriND : PseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
1730 IIC_Br, []>, Requires<[IsNotDarwin]>;
1732 def TAILJMPdND : ARMPseudoExpand<(outs), (ins brtarget:$dst, variable_ops),
1734 (Bcc br_target:$dst, (ops 14, zero_reg))>,
1735 Requires<[IsARM, IsNotDarwin]>;
1737 def TAILJMPrND : ARMPseudoExpand<(outs), (ins tcGPR:$dst, variable_ops),
1740 Requires<[IsARM, IsNotDarwin]>;
1748 // Secure Monitor Call is a system instruction -- for disassembly only
1749 def SMC : ABI<0b0001, (outs), (ins imm0_15:$opt), NoItinerary, "smc", "\t$opt",
1752 let Inst{23-4} = 0b01100000000000000111;
1753 let Inst{3-0} = opt;
1756 // Supervisor Call (Software Interrupt) -- for disassembly only
1757 let isCall = 1, Uses = [SP] in {
1758 def SVC : ABI<0b1111, (outs), (ins i32imm:$svc), IIC_Br, "svc", "\t$svc",
1759 [/* For disassembly only; pattern left blank */]> {
1761 let Inst{23-0} = svc;
1765 // Store Return State is a system instruction -- for disassembly only
1766 let isCodeGenOnly = 1 in { // FIXME: This should not use submode!
1767 def SRSW : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, i32imm:$mode),
1768 NoItinerary, "srs${amode}\tsp!, $mode",
1769 [/* For disassembly only; pattern left blank */]> {
1770 let Inst{31-28} = 0b1111;
1771 let Inst{22-20} = 0b110; // W = 1
1772 let Inst{19-8} = 0xd05;
1773 let Inst{7-5} = 0b000;
1776 def SRS : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, i32imm:$mode),
1777 NoItinerary, "srs${amode}\tsp, $mode",
1778 [/* For disassembly only; pattern left blank */]> {
1779 let Inst{31-28} = 0b1111;
1780 let Inst{22-20} = 0b100; // W = 0
1781 let Inst{19-8} = 0xd05;
1782 let Inst{7-5} = 0b000;
1785 // Return From Exception is a system instruction -- for disassembly only
1786 def RFEW : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, GPR:$base),
1787 NoItinerary, "rfe${amode}\t$base!",
1788 [/* For disassembly only; pattern left blank */]> {
1789 let Inst{31-28} = 0b1111;
1790 let Inst{22-20} = 0b011; // W = 1
1791 let Inst{15-0} = 0x0a00;
1794 def RFE : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, GPR:$base),
1795 NoItinerary, "rfe${amode}\t$base",
1796 [/* For disassembly only; pattern left blank */]> {
1797 let Inst{31-28} = 0b1111;
1798 let Inst{22-20} = 0b001; // W = 0
1799 let Inst{15-0} = 0x0a00;
1801 } // isCodeGenOnly = 1
1803 //===----------------------------------------------------------------------===//
1804 // Load / store Instructions.
1810 defm LDR : AI_ldr1<0, "ldr", IIC_iLoad_r, IIC_iLoad_si,
1811 UnOpFrag<(load node:$Src)>>;
1812 defm LDRB : AI_ldr1<1, "ldrb", IIC_iLoad_bh_r, IIC_iLoad_bh_si,
1813 UnOpFrag<(zextloadi8 node:$Src)>>;
1814 defm STR : AI_str1<0, "str", IIC_iStore_r, IIC_iStore_si,
1815 BinOpFrag<(store node:$LHS, node:$RHS)>>;
1816 defm STRB : AI_str1<1, "strb", IIC_iStore_bh_r, IIC_iStore_bh_si,
1817 BinOpFrag<(truncstorei8 node:$LHS, node:$RHS)>>;
1819 // Special LDR for loads from non-pc-relative constpools.
1820 let canFoldAsLoad = 1, mayLoad = 1, neverHasSideEffects = 1,
1821 isReMaterializable = 1 in
1822 def LDRcp : AI2ldst<0b010, 1, 0, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
1823 AddrMode_i12, LdFrm, IIC_iLoad_r, "ldr", "\t$Rt, $addr",
1827 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1828 let Inst{19-16} = 0b1111;
1829 let Inst{15-12} = Rt;
1830 let Inst{11-0} = addr{11-0}; // imm12
1833 // Loads with zero extension
1834 def LDRH : AI3ld<0b1011, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1835 IIC_iLoad_bh_r, "ldrh", "\t$Rt, $addr",
1836 [(set GPR:$Rt, (zextloadi16 addrmode3:$addr))]>;
1838 // Loads with sign extension
1839 def LDRSH : AI3ld<0b1111, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1840 IIC_iLoad_bh_r, "ldrsh", "\t$Rt, $addr",
1841 [(set GPR:$Rt, (sextloadi16 addrmode3:$addr))]>;
1843 def LDRSB : AI3ld<0b1101, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1844 IIC_iLoad_bh_r, "ldrsb", "\t$Rt, $addr",
1845 [(set GPR:$Rt, (sextloadi8 addrmode3:$addr))]>;
1847 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1 in {
1849 def LDRD : AI3ld<0b1101, 0, (outs GPR:$Rd, GPR:$dst2),
1850 (ins addrmode3:$addr), LdMiscFrm,
1851 IIC_iLoad_d_r, "ldrd", "\t$Rd, $dst2, $addr",
1852 []>, Requires<[IsARM, HasV5TE]>;
1856 multiclass AI2_ldridx<bit isByte, string opc, InstrItinClass itin> {
1857 def _PRE : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb),
1858 (ins addrmode2:$addr), IndexModePre, LdFrm, itin,
1859 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
1861 // {13} 1 == Rm, 0 == imm12
1865 let Inst{25} = addr{13};
1866 let Inst{23} = addr{12};
1867 let Inst{19-16} = addr{17-14};
1868 let Inst{11-0} = addr{11-0};
1869 let AsmMatchConverter = "CvtLdWriteBackRegAddrMode2";
1871 def _POST : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
1872 (ins GPR:$Rn, am2offset:$offset),
1873 IndexModePost, LdFrm, itin,
1874 opc, "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb", []> {
1875 // {13} 1 == Rm, 0 == imm12
1880 let Inst{25} = offset{13};
1881 let Inst{23} = offset{12};
1882 let Inst{19-16} = Rn;
1883 let Inst{11-0} = offset{11-0};
1887 let mayLoad = 1, neverHasSideEffects = 1 in {
1888 defm LDR : AI2_ldridx<0, "ldr", IIC_iLoad_ru>;
1889 defm LDRB : AI2_ldridx<1, "ldrb", IIC_iLoad_bh_ru>;
1892 multiclass AI3_ldridx<bits<4> op, bit op20, string opc, InstrItinClass itin> {
1893 def _PRE : AI3ldstidx<op, op20, 1, 1, (outs GPR:$Rt, GPR:$Rn_wb),
1894 (ins addrmode3:$addr), IndexModePre,
1896 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
1898 let Inst{23} = addr{8}; // U bit
1899 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
1900 let Inst{19-16} = addr{12-9}; // Rn
1901 let Inst{11-8} = addr{7-4}; // imm7_4/zero
1902 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
1904 def _POST : AI3ldstidx<op, op20, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
1905 (ins GPR:$Rn, am3offset:$offset), IndexModePost,
1907 opc, "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb", []> {
1910 let Inst{23} = offset{8}; // U bit
1911 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
1912 let Inst{19-16} = Rn;
1913 let Inst{11-8} = offset{7-4}; // imm7_4/zero
1914 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
1918 let mayLoad = 1, neverHasSideEffects = 1 in {
1919 defm LDRH : AI3_ldridx<0b1011, 1, "ldrh", IIC_iLoad_bh_ru>;
1920 defm LDRSH : AI3_ldridx<0b1111, 1, "ldrsh", IIC_iLoad_bh_ru>;
1921 defm LDRSB : AI3_ldridx<0b1101, 1, "ldrsb", IIC_iLoad_bh_ru>;
1922 let hasExtraDefRegAllocReq = 1 in {
1923 def LDRD_PRE : AI3ldstidx<0b1101, 0, 1, 1, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
1924 (ins addrmode3:$addr), IndexModePre,
1925 LdMiscFrm, IIC_iLoad_d_ru,
1926 "ldrd", "\t$Rt, $Rt2, $addr!",
1927 "$addr.base = $Rn_wb", []> {
1929 let Inst{23} = addr{8}; // U bit
1930 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
1931 let Inst{19-16} = addr{12-9}; // Rn
1932 let Inst{11-8} = addr{7-4}; // imm7_4/zero
1933 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
1935 def LDRD_POST: AI3ldstidx<0b1101, 0, 1, 0, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
1936 (ins GPR:$Rn, am3offset:$offset), IndexModePost,
1937 LdMiscFrm, IIC_iLoad_d_ru,
1938 "ldrd", "\t$Rt, $Rt2, [$Rn], $offset",
1939 "$Rn = $Rn_wb", []> {
1942 let Inst{23} = offset{8}; // U bit
1943 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
1944 let Inst{19-16} = Rn;
1945 let Inst{11-8} = offset{7-4}; // imm7_4/zero
1946 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
1948 } // hasExtraDefRegAllocReq = 1
1949 } // mayLoad = 1, neverHasSideEffects = 1
1951 // LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT are for disassembly only.
1952 let mayLoad = 1, neverHasSideEffects = 1 in {
1953 def LDRT : AI2ldstidx<1, 0, 0, (outs GPR:$Rt, GPR:$base_wb),
1954 (ins addrmode2:$addr), IndexModePost, LdFrm, IIC_iLoad_ru,
1955 "ldrt", "\t$Rt, $addr", "$addr.base = $base_wb", []> {
1957 // {13} 1 == Rm, 0 == imm12
1961 let Inst{25} = addr{13};
1962 let Inst{23} = addr{12};
1963 let Inst{21} = 1; // overwrite
1964 let Inst{19-16} = addr{17-14};
1965 let Inst{11-0} = addr{11-0};
1966 let AsmMatchConverter = "CvtLdWriteBackRegAddrMode2";
1968 def LDRBT : AI2ldstidx<1, 1, 0, (outs GPR:$Rt, GPR:$base_wb),
1969 (ins addrmode2:$addr), IndexModePost, LdFrm, IIC_iLoad_bh_ru,
1970 "ldrbt", "\t$Rt, $addr", "$addr.base = $base_wb", []> {
1972 // {13} 1 == Rm, 0 == imm12
1976 let Inst{25} = addr{13};
1977 let Inst{23} = addr{12};
1978 let Inst{21} = 1; // overwrite
1979 let Inst{19-16} = addr{17-14};
1980 let Inst{11-0} = addr{11-0};
1981 let AsmMatchConverter = "CvtLdWriteBackRegAddrMode2";
1983 def LDRSBT : AI3ldstidxT<0b1101, 1, 1, 0, (outs GPR:$Rt, GPR:$base_wb),
1984 (ins addrmode3:$addr), IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru,
1985 "ldrsbt", "\t$Rt, $addr", "$addr.base = $base_wb", []> {
1986 let Inst{21} = 1; // overwrite
1988 def LDRHT : AI3ldstidxT<0b1011, 1, 1, 0, (outs GPR:$Rt, GPR:$base_wb),
1989 (ins addrmode3:$addr), IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru,
1990 "ldrht", "\t$Rt, $addr", "$addr.base = $base_wb", []> {
1991 let Inst{21} = 1; // overwrite
1993 def LDRSHT : AI3ldstidxT<0b1111, 1, 1, 0, (outs GPR:$Rt, GPR:$base_wb),
1994 (ins addrmode3:$addr), IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru,
1995 "ldrsht", "\t$Rt, $addr", "$addr.base = $base_wb", []> {
1996 let Inst{21} = 1; // overwrite
2002 // Stores with truncate
2003 def STRH : AI3str<0b1011, (outs), (ins GPR:$Rt, addrmode3:$addr), StMiscFrm,
2004 IIC_iStore_bh_r, "strh", "\t$Rt, $addr",
2005 [(truncstorei16 GPR:$Rt, addrmode3:$addr)]>;
2008 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in
2009 def STRD : AI3str<0b1111, (outs), (ins GPR:$Rt, GPR:$src2, addrmode3:$addr),
2010 StMiscFrm, IIC_iStore_d_r,
2011 "strd", "\t$Rt, $src2, $addr", []>, Requires<[IsARM, HasV5TE]>;
2014 def STR_PRE : AI2stridx<0, 1, (outs GPR:$Rn_wb),
2015 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
2016 IndexModePre, StFrm, IIC_iStore_ru,
2017 "str", "\t$Rt, [$Rn, $offset]!",
2018 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
2020 (pre_store GPR:$Rt, GPR:$Rn, am2offset:$offset))]>;
2022 def STR_POST : AI2stridx<0, 0, (outs GPR:$Rn_wb),
2023 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
2024 IndexModePost, StFrm, IIC_iStore_ru,
2025 "str", "\t$Rt, [$Rn], $offset",
2026 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
2028 (post_store GPR:$Rt, GPR:$Rn, am2offset:$offset))]>;
2030 def STRB_PRE : AI2stridx<1, 1, (outs GPR:$Rn_wb),
2031 (ins GPR:$Rt, GPR:$Rn, am2offset:$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:$offset))]>;
2037 def STRB_POST: AI2stridx<1, 0, (outs GPR:$Rn_wb),
2038 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
2039 IndexModePost, StFrm, IIC_iStore_bh_ru,
2040 "strb", "\t$Rt, [$Rn], $offset",
2041 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
2042 [(set GPR:$Rn_wb, (post_truncsti8 GPR:$Rt,
2043 GPR:$Rn, am2offset:$offset))]>;
2045 def STRH_PRE : AI3stridx<0b1011, 0, 1, (outs GPR:$Rn_wb),
2046 (ins GPR:$Rt, GPR:$Rn, am3offset:$offset),
2047 IndexModePre, StMiscFrm, IIC_iStore_ru,
2048 "strh", "\t$Rt, [$Rn, $offset]!",
2049 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
2051 (pre_truncsti16 GPR:$Rt, GPR:$Rn, am3offset:$offset))]>;
2053 def STRH_POST: AI3stridx<0b1011, 0, 0, (outs GPR:$Rn_wb),
2054 (ins GPR:$Rt, GPR:$Rn, am3offset:$offset),
2055 IndexModePost, StMiscFrm, IIC_iStore_bh_ru,
2056 "strh", "\t$Rt, [$Rn], $offset",
2057 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
2058 [(set GPR:$Rn_wb, (post_truncsti16 GPR:$Rt,
2059 GPR:$Rn, am3offset:$offset))]>;
2061 // For disassembly only
2062 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in {
2063 def STRD_PRE : AI3stdpr<(outs GPR:$base_wb),
2064 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
2065 StMiscFrm, IIC_iStore_d_ru,
2066 "strd", "\t$src1, $src2, [$base, $offset]!",
2067 "$base = $base_wb", []>;
2069 // For disassembly only
2070 def STRD_POST: AI3stdpo<(outs GPR:$base_wb),
2071 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
2072 StMiscFrm, IIC_iStore_d_ru,
2073 "strd", "\t$src1, $src2, [$base], $offset",
2074 "$base = $base_wb", []>;
2075 } // mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1
2077 // STRT, STRBT, and STRHT are for disassembly only.
2079 def STRT : AI2stridxT<0, 0, (outs GPR:$Rn_wb), (ins GPR:$Rt, addrmode2:$addr),
2080 IndexModePost, StFrm, IIC_iStore_ru,
2081 "strt", "\t$Rt, $addr", "$addr.base = $Rn_wb",
2082 [/* For disassembly only; pattern left blank */]> {
2083 let Inst{21} = 1; // overwrite
2084 let AsmMatchConverter = "CvtStWriteBackRegAddrMode2";
2087 def STRBT : AI2stridxT<1, 0, (outs GPR:$Rn_wb), (ins GPR:$Rt, addrmode2:$addr),
2088 IndexModePost, StFrm, IIC_iStore_bh_ru,
2089 "strbt", "\t$Rt, $addr", "$addr.base = $Rn_wb",
2090 [/* For disassembly only; pattern left blank */]> {
2091 let Inst{21} = 1; // overwrite
2092 let AsmMatchConverter = "CvtStWriteBackRegAddrMode2";
2095 def STRHT: AI3sthpo<(outs GPR:$base_wb), (ins GPR:$Rt, addrmode3:$addr),
2096 StMiscFrm, IIC_iStore_bh_ru,
2097 "strht", "\t$Rt, $addr", "$addr.base = $base_wb",
2098 [/* For disassembly only; pattern left blank */]> {
2099 let Inst{21} = 1; // overwrite
2100 let AsmMatchConverter = "CvtStWriteBackRegAddrMode3";
2103 //===----------------------------------------------------------------------===//
2104 // Load / store multiple Instructions.
2107 multiclass arm_ldst_mult<string asm, bit L_bit, Format f,
2108 InstrItinClass itin, InstrItinClass itin_upd> {
2109 // IA is the default, so no need for an explicit suffix on the
2110 // mnemonic here. Without it is the cannonical spelling.
2112 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2113 IndexModeNone, f, itin,
2114 !strconcat(asm, "${p}\t$Rn, $regs"), "", []> {
2115 let Inst{24-23} = 0b01; // Increment After
2116 let Inst{21} = 0; // No writeback
2117 let Inst{20} = L_bit;
2120 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2121 IndexModeUpd, f, itin_upd,
2122 !strconcat(asm, "${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
2123 let Inst{24-23} = 0b01; // Increment After
2124 let Inst{21} = 1; // Writeback
2125 let Inst{20} = L_bit;
2128 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2129 IndexModeNone, f, itin,
2130 !strconcat(asm, "da${p}\t$Rn, $regs"), "", []> {
2131 let Inst{24-23} = 0b00; // Decrement After
2132 let Inst{21} = 0; // No writeback
2133 let Inst{20} = L_bit;
2136 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2137 IndexModeUpd, f, itin_upd,
2138 !strconcat(asm, "da${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
2139 let Inst{24-23} = 0b00; // Decrement After
2140 let Inst{21} = 1; // Writeback
2141 let Inst{20} = L_bit;
2144 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2145 IndexModeNone, f, itin,
2146 !strconcat(asm, "db${p}\t$Rn, $regs"), "", []> {
2147 let Inst{24-23} = 0b10; // Decrement Before
2148 let Inst{21} = 0; // No writeback
2149 let Inst{20} = L_bit;
2152 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2153 IndexModeUpd, f, itin_upd,
2154 !strconcat(asm, "db${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
2155 let Inst{24-23} = 0b10; // Decrement Before
2156 let Inst{21} = 1; // Writeback
2157 let Inst{20} = L_bit;
2160 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2161 IndexModeNone, f, itin,
2162 !strconcat(asm, "ib${p}\t$Rn, $regs"), "", []> {
2163 let Inst{24-23} = 0b11; // Increment Before
2164 let Inst{21} = 0; // No writeback
2165 let Inst{20} = L_bit;
2168 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2169 IndexModeUpd, f, itin_upd,
2170 !strconcat(asm, "ib${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
2171 let Inst{24-23} = 0b11; // Increment Before
2172 let Inst{21} = 1; // Writeback
2173 let Inst{20} = L_bit;
2177 let neverHasSideEffects = 1 in {
2179 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
2180 defm LDM : arm_ldst_mult<"ldm", 1, LdStMulFrm, IIC_iLoad_m, IIC_iLoad_mu>;
2182 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
2183 defm STM : arm_ldst_mult<"stm", 0, LdStMulFrm, IIC_iStore_m, IIC_iStore_mu>;
2185 } // neverHasSideEffects
2187 // FIXME: remove when we have a way to marking a MI with these properties.
2188 // FIXME: Should pc be an implicit operand like PICADD, etc?
2189 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
2190 hasExtraDefRegAllocReq = 1, isCodeGenOnly = 1 in
2191 def LDMIA_RET : ARMPseudoExpand<(outs GPR:$wb), (ins GPR:$Rn, pred:$p,
2192 reglist:$regs, variable_ops),
2193 4, IIC_iLoad_mBr, [],
2194 (LDMIA_UPD GPR:$wb, GPR:$Rn, pred:$p, reglist:$regs)>,
2195 RegConstraint<"$Rn = $wb">;
2197 //===----------------------------------------------------------------------===//
2198 // Move Instructions.
2201 let neverHasSideEffects = 1 in
2202 def MOVr : AsI1<0b1101, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMOVr,
2203 "mov", "\t$Rd, $Rm", []>, UnaryDP {
2207 let Inst{19-16} = 0b0000;
2208 let Inst{11-4} = 0b00000000;
2211 let Inst{15-12} = Rd;
2214 // A version for the smaller set of tail call registers.
2215 let neverHasSideEffects = 1 in
2216 def MOVr_TC : AsI1<0b1101, (outs tcGPR:$Rd), (ins tcGPR:$Rm), DPFrm,
2217 IIC_iMOVr, "mov", "\t$Rd, $Rm", []>, UnaryDP {
2221 let Inst{11-4} = 0b00000000;
2224 let Inst{15-12} = Rd;
2227 def MOVsr : AsI1<0b1101, (outs GPR:$Rd), (ins shift_so_reg_reg:$src),
2228 DPSoRegRegFrm, IIC_iMOVsr,
2229 "mov", "\t$Rd, $src", [(set GPR:$Rd, shift_so_reg_reg:$src)]>,
2233 let Inst{15-12} = Rd;
2234 let Inst{19-16} = 0b0000;
2235 let Inst{11-8} = src{11-8};
2237 let Inst{6-5} = src{6-5};
2239 let Inst{3-0} = src{3-0};
2243 def MOVsi : AsI1<0b1101, (outs GPR:$Rd), (ins shift_so_reg_imm:$src),
2244 DPSoRegImmFrm, IIC_iMOVsr,
2245 "mov", "\t$Rd, $src", [(set GPR:$Rd, shift_so_reg_imm:$src)]>,
2249 let Inst{15-12} = Rd;
2250 let Inst{19-16} = 0b0000;
2251 let Inst{11-5} = src{11-5};
2253 let Inst{3-0} = src{3-0};
2259 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
2260 def MOVi : AsI1<0b1101, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm, IIC_iMOVi,
2261 "mov", "\t$Rd, $imm", [(set GPR:$Rd, so_imm:$imm)]>, UnaryDP {
2265 let Inst{15-12} = Rd;
2266 let Inst{19-16} = 0b0000;
2267 let Inst{11-0} = imm;
2270 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
2271 def MOVi16 : AI1<0b1000, (outs GPR:$Rd), (ins imm0_65535_expr:$imm),
2273 "movw", "\t$Rd, $imm",
2274 [(set GPR:$Rd, imm0_65535:$imm)]>,
2275 Requires<[IsARM, HasV6T2]>, UnaryDP {
2278 let Inst{15-12} = Rd;
2279 let Inst{11-0} = imm{11-0};
2280 let Inst{19-16} = imm{15-12};
2285 def : InstAlias<"mov${p} $Rd, $imm",
2286 (MOVi16 GPR:$Rd, imm0_65535_expr:$imm, pred:$p)>,
2289 def MOVi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
2290 (ins i32imm:$addr, pclabel:$id), IIC_iMOVi, []>;
2292 let Constraints = "$src = $Rd" in {
2293 def MOVTi16 : AI1<0b1010, (outs GPR:$Rd), (ins GPR:$src, imm0_65535_expr:$imm),
2295 "movt", "\t$Rd, $imm",
2297 (or (and GPR:$src, 0xffff),
2298 lo16AllZero:$imm))]>, UnaryDP,
2299 Requires<[IsARM, HasV6T2]> {
2302 let Inst{15-12} = Rd;
2303 let Inst{11-0} = imm{11-0};
2304 let Inst{19-16} = imm{15-12};
2309 def MOVTi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
2310 (ins GPR:$src, i32imm:$addr, pclabel:$id), IIC_iMOVi, []>;
2314 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
2315 Requires<[IsARM, HasV6T2]>;
2317 let Uses = [CPSR] in
2318 def RRX: PseudoInst<(outs GPR:$Rd), (ins GPR:$Rm), IIC_iMOVsi,
2319 [(set GPR:$Rd, (ARMrrx GPR:$Rm))]>, UnaryDP,
2322 // These aren't really mov instructions, but we have to define them this way
2323 // due to flag operands.
2325 let Defs = [CPSR] in {
2326 def MOVsrl_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
2327 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP,
2329 def MOVsra_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
2330 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP,
2334 //===----------------------------------------------------------------------===//
2335 // Extend Instructions.
2340 defm SXTB : AI_ext_rrot<0b01101010,
2341 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
2342 defm SXTH : AI_ext_rrot<0b01101011,
2343 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
2345 defm SXTAB : AI_exta_rrot<0b01101010,
2346 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
2347 defm SXTAH : AI_exta_rrot<0b01101011,
2348 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
2350 // For disassembly only
2351 defm SXTB16 : AI_ext_rrot_np<0b01101000, "sxtb16">;
2353 // For disassembly only
2354 defm SXTAB16 : AI_exta_rrot_np<0b01101000, "sxtab16">;
2358 let AddedComplexity = 16 in {
2359 defm UXTB : AI_ext_rrot<0b01101110,
2360 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
2361 defm UXTH : AI_ext_rrot<0b01101111,
2362 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
2363 defm UXTB16 : AI_ext_rrot<0b01101100,
2364 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
2366 // FIXME: This pattern incorrectly assumes the shl operator is a rotate.
2367 // The transformation should probably be done as a combiner action
2368 // instead so we can include a check for masking back in the upper
2369 // eight bits of the source into the lower eight bits of the result.
2370 //def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
2371 // (UXTB16r_rot GPR:$Src, 24)>;
2372 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
2373 (UXTB16r_rot GPR:$Src, 8)>;
2375 defm UXTAB : AI_exta_rrot<0b01101110, "uxtab",
2376 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
2377 defm UXTAH : AI_exta_rrot<0b01101111, "uxtah",
2378 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
2381 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
2382 // For disassembly only
2383 defm UXTAB16 : AI_exta_rrot_np<0b01101100, "uxtab16">;
2386 def SBFX : I<(outs GPR:$Rd),
2387 (ins GPR:$Rn, imm0_31:$lsb, imm0_31_m1:$width),
2388 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
2389 "sbfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
2390 Requires<[IsARM, HasV6T2]> {
2395 let Inst{27-21} = 0b0111101;
2396 let Inst{6-4} = 0b101;
2397 let Inst{20-16} = width;
2398 let Inst{15-12} = Rd;
2399 let Inst{11-7} = lsb;
2403 def UBFX : I<(outs GPR:$Rd),
2404 (ins GPR:$Rn, imm0_31:$lsb, imm0_31_m1:$width),
2405 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
2406 "ubfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
2407 Requires<[IsARM, HasV6T2]> {
2412 let Inst{27-21} = 0b0111111;
2413 let Inst{6-4} = 0b101;
2414 let Inst{20-16} = width;
2415 let Inst{15-12} = Rd;
2416 let Inst{11-7} = lsb;
2420 //===----------------------------------------------------------------------===//
2421 // Arithmetic Instructions.
2424 defm ADD : AsI1_bin_irs<0b0100, "add",
2425 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2426 BinOpFrag<(add node:$LHS, node:$RHS)>, "ADD", 1>;
2427 defm SUB : AsI1_bin_irs<0b0010, "sub",
2428 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2429 BinOpFrag<(sub node:$LHS, node:$RHS)>, "SUB">;
2431 // ADD and SUB with 's' bit set.
2432 defm ADDS : AI1_bin_s_irs<0b0100, "adds",
2433 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2434 BinOpFrag<(addc node:$LHS, node:$RHS)>, 1>;
2435 defm SUBS : AI1_bin_s_irs<0b0010, "subs",
2436 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2437 BinOpFrag<(subc node:$LHS, node:$RHS)>>;
2439 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
2440 BinOpFrag<(adde_dead_carry node:$LHS, node:$RHS)>,
2442 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
2443 BinOpFrag<(sube_dead_carry node:$LHS, node:$RHS)>,
2446 // ADC and SUBC with 's' bit set.
2447 let usesCustomInserter = 1 in {
2448 defm ADCS : AI1_adde_sube_s_irs<
2449 BinOpFrag<(adde_live_carry node:$LHS, node:$RHS)>, 1>;
2450 defm SBCS : AI1_adde_sube_s_irs<
2451 BinOpFrag<(sube_live_carry node:$LHS, node:$RHS) >>;
2454 def RSBri : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
2455 IIC_iALUi, "rsb", "\t$Rd, $Rn, $imm",
2456 [(set GPR:$Rd, (sub so_imm:$imm, GPR:$Rn))]> {
2461 let Inst{15-12} = Rd;
2462 let Inst{19-16} = Rn;
2463 let Inst{11-0} = imm;
2466 // The reg/reg form is only defined for the disassembler; for codegen it is
2467 // equivalent to SUBrr.
2468 def RSBrr : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
2469 IIC_iALUr, "rsb", "\t$Rd, $Rn, $Rm",
2470 [/* For disassembly only; pattern left blank */]> {
2474 let Inst{11-4} = 0b00000000;
2477 let Inst{15-12} = Rd;
2478 let Inst{19-16} = Rn;
2481 def RSBrsi : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_imm:$shift),
2482 DPSoRegImmFrm, IIC_iALUsr, "rsb", "\t$Rd, $Rn, $shift",
2483 [(set GPR:$Rd, (sub so_reg_imm:$shift, GPR:$Rn))]> {
2488 let Inst{19-16} = Rn;
2489 let Inst{15-12} = Rd;
2490 let Inst{11-5} = shift{11-5};
2492 let Inst{3-0} = shift{3-0};
2495 def RSBrsr : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_reg:$shift),
2496 DPSoRegRegFrm, IIC_iALUsr, "rsb", "\t$Rd, $Rn, $shift",
2497 [(set GPR:$Rd, (sub so_reg_reg:$shift, GPR:$Rn))]> {
2502 let Inst{19-16} = Rn;
2503 let Inst{15-12} = Rd;
2504 let Inst{11-8} = shift{11-8};
2506 let Inst{6-5} = shift{6-5};
2508 let Inst{3-0} = shift{3-0};
2511 // RSB with 's' bit set.
2512 // NOTE: CPSR def omitted because it will be handled by the custom inserter.
2513 let usesCustomInserter = 1 in {
2514 def RSBSri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2516 [(set GPR:$Rd, (subc so_imm:$imm, GPR:$Rn))]>;
2517 def RSBSrr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2519 [/* For disassembly only; pattern left blank */]>;
2520 def RSBSrsi : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg_imm:$shift),
2522 [(set GPR:$Rd, (subc so_reg_imm:$shift, GPR:$Rn))]>;
2523 def RSBSrsr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg_reg:$shift),
2525 [(set GPR:$Rd, (subc so_reg_reg:$shift, GPR:$Rn))]>;
2528 let Uses = [CPSR] in {
2529 def RSCri : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2530 DPFrm, IIC_iALUi, "rsc", "\t$Rd, $Rn, $imm",
2531 [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>,
2537 let Inst{15-12} = Rd;
2538 let Inst{19-16} = Rn;
2539 let Inst{11-0} = imm;
2541 // The reg/reg form is only defined for the disassembler; for codegen it is
2542 // equivalent to SUBrr.
2543 def RSCrr : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2544 DPFrm, IIC_iALUr, "rsc", "\t$Rd, $Rn, $Rm",
2545 [/* For disassembly only; pattern left blank */]> {
2549 let Inst{11-4} = 0b00000000;
2552 let Inst{15-12} = Rd;
2553 let Inst{19-16} = Rn;
2555 def RSCrsi : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_imm:$shift),
2556 DPSoRegImmFrm, IIC_iALUsr, "rsc", "\t$Rd, $Rn, $shift",
2557 [(set GPR:$Rd, (sube_dead_carry so_reg_imm:$shift, GPR:$Rn))]>,
2563 let Inst{19-16} = Rn;
2564 let Inst{15-12} = Rd;
2565 let Inst{11-5} = shift{11-5};
2567 let Inst{3-0} = shift{3-0};
2569 def RSCrsr : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_reg:$shift),
2570 DPSoRegRegFrm, IIC_iALUsr, "rsc", "\t$Rd, $Rn, $shift",
2571 [(set GPR:$Rd, (sube_dead_carry so_reg_reg:$shift, GPR:$Rn))]>,
2577 let Inst{19-16} = Rn;
2578 let Inst{15-12} = Rd;
2579 let Inst{11-8} = shift{11-8};
2581 let Inst{6-5} = shift{6-5};
2583 let Inst{3-0} = shift{3-0};
2588 // NOTE: CPSR def omitted because it will be handled by the custom inserter.
2589 let usesCustomInserter = 1, Uses = [CPSR] in {
2590 def RSCSri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2592 [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>;
2593 def RSCSrsi : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg_imm:$shift),
2595 [(set GPR:$Rd, (sube_dead_carry so_reg_imm:$shift, GPR:$Rn))]>;
2596 def RSCSrsr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg_reg:$shift),
2598 [(set GPR:$Rd, (sube_dead_carry so_reg_reg:$shift, GPR:$Rn))]>;
2601 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
2602 // The assume-no-carry-in form uses the negation of the input since add/sub
2603 // assume opposite meanings of the carry flag (i.e., carry == !borrow).
2604 // See the definition of AddWithCarry() in the ARM ARM A2.2.1 for the gory
2606 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
2607 (SUBri GPR:$src, so_imm_neg:$imm)>;
2608 def : ARMPat<(addc GPR:$src, so_imm_neg:$imm),
2609 (SUBSri GPR:$src, so_imm_neg:$imm)>;
2610 // The with-carry-in form matches bitwise not instead of the negation.
2611 // Effectively, the inverse interpretation of the carry flag already accounts
2612 // for part of the negation.
2613 def : ARMPat<(adde_dead_carry GPR:$src, so_imm_not:$imm),
2614 (SBCri GPR:$src, so_imm_not:$imm)>;
2615 def : ARMPat<(adde_live_carry GPR:$src, so_imm_not:$imm),
2616 (SBCSri GPR:$src, so_imm_not:$imm)>;
2618 // Note: These are implemented in C++ code, because they have to generate
2619 // ADD/SUBrs instructions, which use a complex pattern that a xform function
2621 // (mul X, 2^n+1) -> (add (X << n), X)
2622 // (mul X, 2^n-1) -> (rsb X, (X << n))
2624 // ARM Arithmetic Instruction
2625 // GPR:$dst = GPR:$a op GPR:$b
2626 class AAI<bits<8> op27_20, bits<8> op11_4, string opc,
2627 list<dag> pattern = [],
2628 dag iops = (ins GPR:$Rn, GPR:$Rm), string asm = "\t$Rd, $Rn, $Rm">
2629 : AI<(outs GPR:$Rd), iops, DPFrm, IIC_iALUr, opc, asm, pattern> {
2633 let Inst{27-20} = op27_20;
2634 let Inst{11-4} = op11_4;
2635 let Inst{19-16} = Rn;
2636 let Inst{15-12} = Rd;
2640 // Saturating add/subtract
2642 def QADD : AAI<0b00010000, 0b00000101, "qadd",
2643 [(set GPR:$Rd, (int_arm_qadd GPR:$Rm, GPR:$Rn))],
2644 (ins GPR:$Rm, GPR:$Rn), "\t$Rd, $Rm, $Rn">;
2645 def QSUB : AAI<0b00010010, 0b00000101, "qsub",
2646 [(set GPR:$Rd, (int_arm_qsub GPR:$Rm, GPR:$Rn))],
2647 (ins GPR:$Rm, GPR:$Rn), "\t$Rd, $Rm, $Rn">;
2648 def QDADD : AAI<0b00010100, 0b00000101, "qdadd", [], (ins GPR:$Rm, GPR:$Rn),
2650 def QDSUB : AAI<0b00010110, 0b00000101, "qdsub", [], (ins GPR:$Rm, GPR:$Rn),
2653 def QADD16 : AAI<0b01100010, 0b11110001, "qadd16">;
2654 def QADD8 : AAI<0b01100010, 0b11111001, "qadd8">;
2655 def QASX : AAI<0b01100010, 0b11110011, "qasx">;
2656 def QSAX : AAI<0b01100010, 0b11110101, "qsax">;
2657 def QSUB16 : AAI<0b01100010, 0b11110111, "qsub16">;
2658 def QSUB8 : AAI<0b01100010, 0b11111111, "qsub8">;
2659 def UQADD16 : AAI<0b01100110, 0b11110001, "uqadd16">;
2660 def UQADD8 : AAI<0b01100110, 0b11111001, "uqadd8">;
2661 def UQASX : AAI<0b01100110, 0b11110011, "uqasx">;
2662 def UQSAX : AAI<0b01100110, 0b11110101, "uqsax">;
2663 def UQSUB16 : AAI<0b01100110, 0b11110111, "uqsub16">;
2664 def UQSUB8 : AAI<0b01100110, 0b11111111, "uqsub8">;
2666 // Signed/Unsigned add/subtract
2668 def SASX : AAI<0b01100001, 0b11110011, "sasx">;
2669 def SADD16 : AAI<0b01100001, 0b11110001, "sadd16">;
2670 def SADD8 : AAI<0b01100001, 0b11111001, "sadd8">;
2671 def SSAX : AAI<0b01100001, 0b11110101, "ssax">;
2672 def SSUB16 : AAI<0b01100001, 0b11110111, "ssub16">;
2673 def SSUB8 : AAI<0b01100001, 0b11111111, "ssub8">;
2674 def UASX : AAI<0b01100101, 0b11110011, "uasx">;
2675 def UADD16 : AAI<0b01100101, 0b11110001, "uadd16">;
2676 def UADD8 : AAI<0b01100101, 0b11111001, "uadd8">;
2677 def USAX : AAI<0b01100101, 0b11110101, "usax">;
2678 def USUB16 : AAI<0b01100101, 0b11110111, "usub16">;
2679 def USUB8 : AAI<0b01100101, 0b11111111, "usub8">;
2681 // Signed/Unsigned halving add/subtract
2683 def SHASX : AAI<0b01100011, 0b11110011, "shasx">;
2684 def SHADD16 : AAI<0b01100011, 0b11110001, "shadd16">;
2685 def SHADD8 : AAI<0b01100011, 0b11111001, "shadd8">;
2686 def SHSAX : AAI<0b01100011, 0b11110101, "shsax">;
2687 def SHSUB16 : AAI<0b01100011, 0b11110111, "shsub16">;
2688 def SHSUB8 : AAI<0b01100011, 0b11111111, "shsub8">;
2689 def UHASX : AAI<0b01100111, 0b11110011, "uhasx">;
2690 def UHADD16 : AAI<0b01100111, 0b11110001, "uhadd16">;
2691 def UHADD8 : AAI<0b01100111, 0b11111001, "uhadd8">;
2692 def UHSAX : AAI<0b01100111, 0b11110101, "uhsax">;
2693 def UHSUB16 : AAI<0b01100111, 0b11110111, "uhsub16">;
2694 def UHSUB8 : AAI<0b01100111, 0b11111111, "uhsub8">;
2696 // Unsigned Sum of Absolute Differences [and Accumulate] -- for disassembly only
2698 def USAD8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2699 MulFrm /* for convenience */, NoItinerary, "usad8",
2700 "\t$Rd, $Rn, $Rm", []>,
2701 Requires<[IsARM, HasV6]> {
2705 let Inst{27-20} = 0b01111000;
2706 let Inst{15-12} = 0b1111;
2707 let Inst{7-4} = 0b0001;
2708 let Inst{19-16} = Rd;
2709 let Inst{11-8} = Rm;
2712 def USADA8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2713 MulFrm /* for convenience */, NoItinerary, "usada8",
2714 "\t$Rd, $Rn, $Rm, $Ra", []>,
2715 Requires<[IsARM, HasV6]> {
2720 let Inst{27-20} = 0b01111000;
2721 let Inst{7-4} = 0b0001;
2722 let Inst{19-16} = Rd;
2723 let Inst{15-12} = Ra;
2724 let Inst{11-8} = Rm;
2728 // Signed/Unsigned saturate -- for disassembly only
2730 def SSAT : AI<(outs GPR:$Rd), (ins imm1_32:$sat_imm, GPR:$a, shift_imm:$sh),
2731 SatFrm, NoItinerary, "ssat", "\t$Rd, $sat_imm, $a$sh", []> {
2736 let Inst{27-21} = 0b0110101;
2737 let Inst{5-4} = 0b01;
2738 let Inst{20-16} = sat_imm;
2739 let Inst{15-12} = Rd;
2740 let Inst{11-7} = sh{7-3};
2741 let Inst{6} = sh{0};
2745 def SSAT16 : AI<(outs GPR:$Rd), (ins imm1_32:$sat_imm, GPR:$Rn), SatFrm,
2746 NoItinerary, "ssat16", "\t$Rd, $sat_imm, $Rn", []> {
2750 let Inst{27-20} = 0b01101010;
2751 let Inst{11-4} = 0b11110011;
2752 let Inst{15-12} = Rd;
2753 let Inst{19-16} = sat_imm;
2757 def USAT : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a, shift_imm:$sh),
2758 SatFrm, NoItinerary, "usat", "\t$Rd, $sat_imm, $a$sh",
2759 [/* For disassembly only; pattern left blank */]> {
2764 let Inst{27-21} = 0b0110111;
2765 let Inst{5-4} = 0b01;
2766 let Inst{15-12} = Rd;
2767 let Inst{11-7} = sh{7-3};
2768 let Inst{6} = sh{0};
2769 let Inst{20-16} = sat_imm;
2773 def USAT16 : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a), SatFrm,
2774 NoItinerary, "usat16", "\t$Rd, $sat_imm, $a",
2775 [/* For disassembly only; pattern left blank */]> {
2779 let Inst{27-20} = 0b01101110;
2780 let Inst{11-4} = 0b11110011;
2781 let Inst{15-12} = Rd;
2782 let Inst{19-16} = sat_imm;
2786 def : ARMV6Pat<(int_arm_ssat GPR:$a, imm:$pos), (SSAT imm:$pos, GPR:$a, 0)>;
2787 def : ARMV6Pat<(int_arm_usat GPR:$a, imm:$pos), (USAT imm:$pos, GPR:$a, 0)>;
2789 //===----------------------------------------------------------------------===//
2790 // Bitwise Instructions.
2793 defm AND : AsI1_bin_irs<0b0000, "and",
2794 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2795 BinOpFrag<(and node:$LHS, node:$RHS)>, "AND", 1>;
2796 defm ORR : AsI1_bin_irs<0b1100, "orr",
2797 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2798 BinOpFrag<(or node:$LHS, node:$RHS)>, "ORR", 1>;
2799 defm EOR : AsI1_bin_irs<0b0001, "eor",
2800 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2801 BinOpFrag<(xor node:$LHS, node:$RHS)>, "EOR", 1>;
2802 defm BIC : AsI1_bin_irs<0b1110, "bic",
2803 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2804 BinOpFrag<(and node:$LHS, (not node:$RHS))>, "BIC">;
2806 def BFC : I<(outs GPR:$Rd), (ins GPR:$src, bf_inv_mask_imm:$imm),
2807 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
2808 "bfc", "\t$Rd, $imm", "$src = $Rd",
2809 [(set GPR:$Rd, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
2810 Requires<[IsARM, HasV6T2]> {
2813 let Inst{27-21} = 0b0111110;
2814 let Inst{6-0} = 0b0011111;
2815 let Inst{15-12} = Rd;
2816 let Inst{11-7} = imm{4-0}; // lsb
2817 let Inst{20-16} = imm{9-5}; // width
2820 // A8.6.18 BFI - Bitfield insert (Encoding A1)
2821 def BFI : I<(outs GPR:$Rd), (ins GPR:$src, GPR:$Rn, bf_inv_mask_imm:$imm),
2822 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
2823 "bfi", "\t$Rd, $Rn, $imm", "$src = $Rd",
2824 [(set GPR:$Rd, (ARMbfi GPR:$src, GPR:$Rn,
2825 bf_inv_mask_imm:$imm))]>,
2826 Requires<[IsARM, HasV6T2]> {
2830 let Inst{27-21} = 0b0111110;
2831 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
2832 let Inst{15-12} = Rd;
2833 let Inst{11-7} = imm{4-0}; // lsb
2834 let Inst{20-16} = imm{9-5}; // width
2838 // GNU as only supports this form of bfi (w/ 4 arguments)
2839 let isAsmParserOnly = 1 in
2840 def BFI4p : I<(outs GPR:$Rd), (ins GPR:$src, GPR:$Rn,
2841 lsb_pos_imm:$lsb, width_imm:$width),
2842 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
2843 "bfi", "\t$Rd, $Rn, $lsb, $width", "$src = $Rd",
2844 []>, Requires<[IsARM, HasV6T2]> {
2849 let Inst{27-21} = 0b0111110;
2850 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
2851 let Inst{15-12} = Rd;
2852 let Inst{11-7} = lsb;
2853 let Inst{20-16} = width; // Custom encoder => lsb+width-1
2857 def MVNr : AsI1<0b1111, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMVNr,
2858 "mvn", "\t$Rd, $Rm",
2859 [(set GPR:$Rd, (not GPR:$Rm))]>, UnaryDP {
2863 let Inst{19-16} = 0b0000;
2864 let Inst{11-4} = 0b00000000;
2865 let Inst{15-12} = Rd;
2868 def MVNsi : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg_imm:$shift), DPSoRegImmFrm,
2869 IIC_iMVNsr, "mvn", "\t$Rd, $shift",
2870 [(set GPR:$Rd, (not so_reg_imm:$shift))]>, UnaryDP {
2874 let Inst{19-16} = 0b0000;
2875 let Inst{15-12} = Rd;
2876 let Inst{11-5} = shift{11-5};
2878 let Inst{3-0} = shift{3-0};
2880 def MVNsr : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg_reg:$shift), DPSoRegRegFrm,
2881 IIC_iMVNsr, "mvn", "\t$Rd, $shift",
2882 [(set GPR:$Rd, (not so_reg_reg:$shift))]>, UnaryDP {
2886 let Inst{19-16} = 0b0000;
2887 let Inst{15-12} = Rd;
2888 let Inst{11-8} = shift{11-8};
2890 let Inst{6-5} = shift{6-5};
2892 let Inst{3-0} = shift{3-0};
2894 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
2895 def MVNi : AsI1<0b1111, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm,
2896 IIC_iMVNi, "mvn", "\t$Rd, $imm",
2897 [(set GPR:$Rd, so_imm_not:$imm)]>,UnaryDP {
2901 let Inst{19-16} = 0b0000;
2902 let Inst{15-12} = Rd;
2903 let Inst{11-0} = imm;
2906 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
2907 (BICri GPR:$src, so_imm_not:$imm)>;
2909 //===----------------------------------------------------------------------===//
2910 // Multiply Instructions.
2912 class AsMul1I32<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
2913 string opc, string asm, list<dag> pattern>
2914 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
2918 let Inst{19-16} = Rd;
2919 let Inst{11-8} = Rm;
2922 class AsMul1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
2923 string opc, string asm, list<dag> pattern>
2924 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
2929 let Inst{19-16} = RdHi;
2930 let Inst{15-12} = RdLo;
2931 let Inst{11-8} = Rm;
2935 // FIXME: The v5 pseudos are only necessary for the additional Constraint
2936 // property. Remove them when it's possible to add those properties
2937 // on an individual MachineInstr, not just an instuction description.
2938 let isCommutable = 1 in {
2939 def MUL : AsMul1I32<0b0000000, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2940 IIC_iMUL32, "mul", "\t$Rd, $Rn, $Rm",
2941 [(set GPR:$Rd, (mul GPR:$Rn, GPR:$Rm))]>,
2942 Requires<[IsARM, HasV6]> {
2943 let Inst{15-12} = 0b0000;
2946 let Constraints = "@earlyclobber $Rd" in
2947 def MULv5: ARMPseudoExpand<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
2948 pred:$p, cc_out:$s),
2950 [(set GPR:$Rd, (mul GPR:$Rn, GPR:$Rm))],
2951 (MUL GPR:$Rd, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
2952 Requires<[IsARM, NoV6]>;
2955 def MLA : AsMul1I32<0b0000001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2956 IIC_iMAC32, "mla", "\t$Rd, $Rn, $Rm, $Ra",
2957 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
2958 Requires<[IsARM, HasV6]> {
2960 let Inst{15-12} = Ra;
2963 let Constraints = "@earlyclobber $Rd" in
2964 def MLAv5: ARMPseudoExpand<(outs GPR:$Rd),
2965 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra, pred:$p, cc_out:$s),
2967 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))],
2968 (MLA GPR:$Rd, GPR:$Rn, GPR:$Rm, GPR:$Ra, pred:$p, cc_out:$s)>,
2969 Requires<[IsARM, NoV6]>;
2971 def MLS : AMul1I<0b0000011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2972 IIC_iMAC32, "mls", "\t$Rd, $Rn, $Rm, $Ra",
2973 [(set GPR:$Rd, (sub GPR:$Ra, (mul GPR:$Rn, GPR:$Rm)))]>,
2974 Requires<[IsARM, HasV6T2]> {
2979 let Inst{19-16} = Rd;
2980 let Inst{15-12} = Ra;
2981 let Inst{11-8} = Rm;
2985 // Extra precision multiplies with low / high results
2986 let neverHasSideEffects = 1 in {
2987 let isCommutable = 1 in {
2988 def SMULL : AsMul1I64<0b0000110, (outs GPR:$RdLo, GPR:$RdHi),
2989 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
2990 "smull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2991 Requires<[IsARM, HasV6]>;
2993 def UMULL : AsMul1I64<0b0000100, (outs GPR:$RdLo, GPR:$RdHi),
2994 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
2995 "umull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2996 Requires<[IsARM, HasV6]>;
2998 let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
2999 def SMULLv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3000 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
3002 (SMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3003 Requires<[IsARM, NoV6]>;
3005 def UMULLv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3006 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
3008 (UMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3009 Requires<[IsARM, NoV6]>;
3013 // Multiply + accumulate
3014 def SMLAL : AsMul1I64<0b0000111, (outs GPR:$RdLo, GPR:$RdHi),
3015 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
3016 "smlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3017 Requires<[IsARM, HasV6]>;
3018 def UMLAL : AsMul1I64<0b0000101, (outs GPR:$RdLo, GPR:$RdHi),
3019 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
3020 "umlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3021 Requires<[IsARM, HasV6]>;
3023 def UMAAL : AMul1I <0b0000010, (outs GPR:$RdLo, GPR:$RdHi),
3024 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
3025 "umaal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3026 Requires<[IsARM, HasV6]> {
3031 let Inst{19-16} = RdLo;
3032 let Inst{15-12} = RdHi;
3033 let Inst{11-8} = Rm;
3037 let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
3038 def SMLALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3039 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
3041 (SMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3042 Requires<[IsARM, NoV6]>;
3043 def UMLALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3044 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
3046 (UMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3047 Requires<[IsARM, NoV6]>;
3048 def UMAALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3049 (ins GPR:$Rn, GPR:$Rm, pred:$p),
3051 (UMAAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p)>,
3052 Requires<[IsARM, NoV6]>;
3055 } // neverHasSideEffects
3057 // Most significant word multiply
3058 def SMMUL : AMul2I <0b0111010, 0b0001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3059 IIC_iMUL32, "smmul", "\t$Rd, $Rn, $Rm",
3060 [(set GPR:$Rd, (mulhs GPR:$Rn, GPR:$Rm))]>,
3061 Requires<[IsARM, HasV6]> {
3062 let Inst{15-12} = 0b1111;
3065 def SMMULR : AMul2I <0b0111010, 0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3066 IIC_iMUL32, "smmulr", "\t$Rd, $Rn, $Rm",
3067 [/* For disassembly only; pattern left blank */]>,
3068 Requires<[IsARM, HasV6]> {
3069 let Inst{15-12} = 0b1111;
3072 def SMMLA : AMul2Ia <0b0111010, 0b0001, (outs GPR:$Rd),
3073 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3074 IIC_iMAC32, "smmla", "\t$Rd, $Rn, $Rm, $Ra",
3075 [(set GPR:$Rd, (add (mulhs GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
3076 Requires<[IsARM, HasV6]>;
3078 def SMMLAR : AMul2Ia <0b0111010, 0b0011, (outs GPR:$Rd),
3079 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3080 IIC_iMAC32, "smmlar", "\t$Rd, $Rn, $Rm, $Ra",
3081 [/* For disassembly only; pattern left blank */]>,
3082 Requires<[IsARM, HasV6]>;
3084 def SMMLS : AMul2Ia <0b0111010, 0b1101, (outs GPR:$Rd),
3085 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3086 IIC_iMAC32, "smmls", "\t$Rd, $Rn, $Rm, $Ra",
3087 [(set GPR:$Rd, (sub GPR:$Ra, (mulhs GPR:$Rn, GPR:$Rm)))]>,
3088 Requires<[IsARM, HasV6]>;
3090 def SMMLSR : AMul2Ia <0b0111010, 0b1111, (outs GPR:$Rd),
3091 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3092 IIC_iMAC32, "smmlsr", "\t$Rd, $Rn, $Rm, $Ra",
3093 [/* For disassembly only; pattern left blank */]>,
3094 Requires<[IsARM, HasV6]>;
3096 multiclass AI_smul<string opc, PatFrag opnode> {
3097 def BB : AMulxyI<0b0001011, 0b00, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3098 IIC_iMUL16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm",
3099 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
3100 (sext_inreg GPR:$Rm, i16)))]>,
3101 Requires<[IsARM, HasV5TE]>;
3103 def BT : AMulxyI<0b0001011, 0b10, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3104 IIC_iMUL16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm",
3105 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
3106 (sra GPR:$Rm, (i32 16))))]>,
3107 Requires<[IsARM, HasV5TE]>;
3109 def TB : AMulxyI<0b0001011, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3110 IIC_iMUL16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm",
3111 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
3112 (sext_inreg GPR:$Rm, i16)))]>,
3113 Requires<[IsARM, HasV5TE]>;
3115 def TT : AMulxyI<0b0001011, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3116 IIC_iMUL16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm",
3117 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
3118 (sra GPR:$Rm, (i32 16))))]>,
3119 Requires<[IsARM, HasV5TE]>;
3121 def WB : AMulxyI<0b0001001, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3122 IIC_iMUL16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm",
3123 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
3124 (sext_inreg GPR:$Rm, i16)), (i32 16)))]>,
3125 Requires<[IsARM, HasV5TE]>;
3127 def WT : AMulxyI<0b0001001, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3128 IIC_iMUL16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm",
3129 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
3130 (sra GPR:$Rm, (i32 16))), (i32 16)))]>,
3131 Requires<[IsARM, HasV5TE]>;
3135 multiclass AI_smla<string opc, PatFrag opnode> {
3136 def BB : AMulxyIa<0b0001000, 0b00, (outs GPR:$Rd),
3137 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3138 IIC_iMAC16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm, $Ra",
3139 [(set GPR:$Rd, (add GPR:$Ra,
3140 (opnode (sext_inreg GPR:$Rn, i16),
3141 (sext_inreg GPR:$Rm, i16))))]>,
3142 Requires<[IsARM, HasV5TE]>;
3144 def BT : AMulxyIa<0b0001000, 0b10, (outs GPR:$Rd),
3145 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3146 IIC_iMAC16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm, $Ra",
3147 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sext_inreg GPR:$Rn, i16),
3148 (sra GPR:$Rm, (i32 16)))))]>,
3149 Requires<[IsARM, HasV5TE]>;
3151 def TB : AMulxyIa<0b0001000, 0b01, (outs GPR:$Rd),
3152 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3153 IIC_iMAC16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm, $Ra",
3154 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sra GPR:$Rn, (i32 16)),
3155 (sext_inreg GPR:$Rm, i16))))]>,
3156 Requires<[IsARM, HasV5TE]>;
3158 def TT : AMulxyIa<0b0001000, 0b11, (outs GPR:$Rd),
3159 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3160 IIC_iMAC16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm, $Ra",
3161 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sra GPR:$Rn, (i32 16)),
3162 (sra GPR:$Rm, (i32 16)))))]>,
3163 Requires<[IsARM, HasV5TE]>;
3165 def WB : AMulxyIa<0b0001001, 0b00, (outs GPR:$Rd),
3166 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3167 IIC_iMAC16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm, $Ra",
3168 [(set GPR:$Rd, (add GPR:$Ra, (sra (opnode GPR:$Rn,
3169 (sext_inreg GPR:$Rm, i16)), (i32 16))))]>,
3170 Requires<[IsARM, HasV5TE]>;
3172 def WT : AMulxyIa<0b0001001, 0b10, (outs GPR:$Rd),
3173 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3174 IIC_iMAC16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm, $Ra",
3175 [(set GPR:$Rd, (add GPR:$Ra, (sra (opnode GPR:$Rn,
3176 (sra GPR:$Rm, (i32 16))), (i32 16))))]>,
3177 Requires<[IsARM, HasV5TE]>;
3180 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
3181 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
3183 // Halfword multiply accumulate long: SMLAL<x><y> -- for disassembly only
3184 def SMLALBB : AMulxyI64<0b0001010, 0b00, (outs GPR:$RdLo, GPR:$RdHi),
3185 (ins GPR:$Rn, GPR:$Rm),
3186 IIC_iMAC64, "smlalbb", "\t$RdLo, $RdHi, $Rn, $Rm",
3187 [/* For disassembly only; pattern left blank */]>,
3188 Requires<[IsARM, HasV5TE]>;
3190 def SMLALBT : AMulxyI64<0b0001010, 0b10, (outs GPR:$RdLo, GPR:$RdHi),
3191 (ins GPR:$Rn, GPR:$Rm),
3192 IIC_iMAC64, "smlalbt", "\t$RdLo, $RdHi, $Rn, $Rm",
3193 [/* For disassembly only; pattern left blank */]>,
3194 Requires<[IsARM, HasV5TE]>;
3196 def SMLALTB : AMulxyI64<0b0001010, 0b01, (outs GPR:$RdLo, GPR:$RdHi),
3197 (ins GPR:$Rn, GPR:$Rm),
3198 IIC_iMAC64, "smlaltb", "\t$RdLo, $RdHi, $Rn, $Rm",
3199 [/* For disassembly only; pattern left blank */]>,
3200 Requires<[IsARM, HasV5TE]>;
3202 def SMLALTT : AMulxyI64<0b0001010, 0b11, (outs GPR:$RdLo, GPR:$RdHi),
3203 (ins GPR:$Rn, GPR:$Rm),
3204 IIC_iMAC64, "smlaltt", "\t$RdLo, $RdHi, $Rn, $Rm",
3205 [/* For disassembly only; pattern left blank */]>,
3206 Requires<[IsARM, HasV5TE]>;
3208 // Helper class for AI_smld -- for disassembly only
3209 class AMulDualIbase<bit long, bit sub, bit swap, dag oops, dag iops,
3210 InstrItinClass itin, string opc, string asm>
3211 : AI<oops, iops, MulFrm, itin, opc, asm, []>, Requires<[IsARM, HasV6]> {
3214 let Inst{27-23} = 0b01110;
3215 let Inst{22} = long;
3216 let Inst{21-20} = 0b00;
3217 let Inst{11-8} = Rm;
3224 class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
3225 InstrItinClass itin, string opc, string asm>
3226 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
3228 let Inst{15-12} = 0b1111;
3229 let Inst{19-16} = Rd;
3231 class AMulDualIa<bit long, bit sub, bit swap, dag oops, dag iops,
3232 InstrItinClass itin, string opc, string asm>
3233 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
3236 let Inst{19-16} = Rd;
3237 let Inst{15-12} = Ra;
3239 class AMulDualI64<bit long, bit sub, bit swap, dag oops, dag iops,
3240 InstrItinClass itin, string opc, string asm>
3241 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
3244 let Inst{19-16} = RdHi;
3245 let Inst{15-12} = RdLo;
3248 multiclass AI_smld<bit sub, string opc> {
3250 def D : AMulDualIa<0, sub, 0, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3251 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm, $Ra">;
3253 def DX: AMulDualIa<0, sub, 1, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3254 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm, $Ra">;
3256 def LD: AMulDualI64<1, sub, 0, (outs GPR:$RdLo,GPR:$RdHi),
3257 (ins GPR:$Rn, GPR:$Rm), NoItinerary,
3258 !strconcat(opc, "ld"), "\t$RdLo, $RdHi, $Rn, $Rm">;
3260 def LDX : AMulDualI64<1, sub, 1, (outs GPR:$RdLo,GPR:$RdHi),
3261 (ins GPR:$Rn, GPR:$Rm), NoItinerary,
3262 !strconcat(opc, "ldx"),"\t$RdLo, $RdHi, $Rn, $Rm">;
3266 defm SMLA : AI_smld<0, "smla">;
3267 defm SMLS : AI_smld<1, "smls">;
3269 multiclass AI_sdml<bit sub, string opc> {
3271 def D : AMulDualI<0, sub, 0, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3272 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm">;
3273 def DX : AMulDualI<0, sub, 1, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3274 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm">;
3277 defm SMUA : AI_sdml<0, "smua">;
3278 defm SMUS : AI_sdml<1, "smus">;
3280 //===----------------------------------------------------------------------===//
3281 // Misc. Arithmetic Instructions.
3284 def CLZ : AMiscA1I<0b000010110, 0b0001, (outs GPR:$Rd), (ins GPR:$Rm),
3285 IIC_iUNAr, "clz", "\t$Rd, $Rm",
3286 [(set GPR:$Rd, (ctlz GPR:$Rm))]>, Requires<[IsARM, HasV5T]>;
3288 def RBIT : AMiscA1I<0b01101111, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
3289 IIC_iUNAr, "rbit", "\t$Rd, $Rm",
3290 [(set GPR:$Rd, (ARMrbit GPR:$Rm))]>,
3291 Requires<[IsARM, HasV6T2]>;
3293 def REV : AMiscA1I<0b01101011, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
3294 IIC_iUNAr, "rev", "\t$Rd, $Rm",
3295 [(set GPR:$Rd, (bswap GPR:$Rm))]>, Requires<[IsARM, HasV6]>;
3297 let AddedComplexity = 5 in
3298 def REV16 : AMiscA1I<0b01101011, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
3299 IIC_iUNAr, "rev16", "\t$Rd, $Rm",
3300 [(set GPR:$Rd, (rotr (bswap GPR:$Rm), (i32 16)))]>,
3301 Requires<[IsARM, HasV6]>;
3303 let AddedComplexity = 5 in
3304 def REVSH : AMiscA1I<0b01101111, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
3305 IIC_iUNAr, "revsh", "\t$Rd, $Rm",
3306 [(set GPR:$Rd, (sra (bswap GPR:$Rm), (i32 16)))]>,
3307 Requires<[IsARM, HasV6]>;
3309 def : ARMV6Pat<(or (sra (shl GPR:$Rm, (i32 24)), (i32 16)),
3310 (and (srl GPR:$Rm, (i32 8)), 0xFF)),
3313 def PKHBT : APKHI<0b01101000, 0, (outs GPR:$Rd),
3314 (ins GPR:$Rn, GPR:$Rm, pkh_lsl_amt:$sh),
3315 IIC_iALUsi, "pkhbt", "\t$Rd, $Rn, $Rm$sh",
3316 [(set GPR:$Rd, (or (and GPR:$Rn, 0xFFFF),
3317 (and (shl GPR:$Rm, pkh_lsl_amt:$sh),
3319 Requires<[IsARM, HasV6]>;
3321 // Alternate cases for PKHBT where identities eliminate some nodes.
3322 def : ARMV6Pat<(or (and GPR:$Rn, 0xFFFF), (and GPR:$Rm, 0xFFFF0000)),
3323 (PKHBT GPR:$Rn, GPR:$Rm, 0)>;
3324 def : ARMV6Pat<(or (and GPR:$Rn, 0xFFFF), (shl GPR:$Rm, imm16_31:$sh)),
3325 (PKHBT GPR:$Rn, GPR:$Rm, imm16_31:$sh)>;
3327 // Note: Shifts of 1-15 bits will be transformed to srl instead of sra and
3328 // will match the pattern below.
3329 def PKHTB : APKHI<0b01101000, 1, (outs GPR:$Rd),
3330 (ins GPR:$Rn, GPR:$Rm, pkh_asr_amt:$sh),
3331 IIC_iBITsi, "pkhtb", "\t$Rd, $Rn, $Rm$sh",
3332 [(set GPR:$Rd, (or (and GPR:$Rn, 0xFFFF0000),
3333 (and (sra GPR:$Rm, pkh_asr_amt:$sh),
3335 Requires<[IsARM, HasV6]>;
3337 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
3338 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
3339 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000), (srl GPR:$src2, imm16_31:$sh)),
3340 (PKHTB GPR:$src1, GPR:$src2, imm16_31:$sh)>;
3341 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000),
3342 (and (srl GPR:$src2, imm1_15:$sh), 0xFFFF)),
3343 (PKHTB GPR:$src1, GPR:$src2, imm1_15:$sh)>;
3345 //===----------------------------------------------------------------------===//
3346 // Comparison Instructions...
3349 defm CMP : AI1_cmp_irs<0b1010, "cmp",
3350 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
3351 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
3353 // ARMcmpZ can re-use the above instruction definitions.
3354 def : ARMPat<(ARMcmpZ GPR:$src, so_imm:$imm),
3355 (CMPri GPR:$src, so_imm:$imm)>;
3356 def : ARMPat<(ARMcmpZ GPR:$src, GPR:$rhs),
3357 (CMPrr GPR:$src, GPR:$rhs)>;
3358 def : ARMPat<(ARMcmpZ GPR:$src, so_reg_imm:$rhs),
3359 (CMPrsi GPR:$src, so_reg_imm:$rhs)>;
3360 def : ARMPat<(ARMcmpZ GPR:$src, so_reg_reg:$rhs),
3361 (CMPrsr GPR:$src, so_reg_reg:$rhs)>;
3363 // FIXME: We have to be careful when using the CMN instruction and comparison
3364 // with 0. One would expect these two pieces of code should give identical
3380 // However, the CMN gives the *opposite* result when r1 is 0. This is because
3381 // the carry flag is set in the CMP case but not in the CMN case. In short, the
3382 // CMP instruction doesn't perform a truncate of the (logical) NOT of 0 plus the
3383 // value of r0 and the carry bit (because the "carry bit" parameter to
3384 // AddWithCarry is defined as 1 in this case, the carry flag will always be set
3385 // when r0 >= 0). The CMN instruction doesn't perform a NOT of 0 so there is
3386 // never a "carry" when this AddWithCarry is performed (because the "carry bit"
3387 // parameter to AddWithCarry is defined as 0).
3389 // When x is 0 and unsigned:
3393 // ~x + 1 = 0x1 0000 0000
3394 // (-x = 0) != (0x1 0000 0000 = ~x + 1)
3396 // Therefore, we should disable CMN when comparing against zero, until we can
3397 // limit when the CMN instruction is used (when we know that the RHS is not 0 or
3398 // when it's a comparison which doesn't look at the 'carry' flag).
3400 // (See the ARM docs for the "AddWithCarry" pseudo-code.)
3402 // This is related to <rdar://problem/7569620>.
3404 //defm CMN : AI1_cmp_irs<0b1011, "cmn",
3405 // BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
3407 // Note that TST/TEQ don't set all the same flags that CMP does!
3408 defm TST : AI1_cmp_irs<0b1000, "tst",
3409 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
3410 BinOpFrag<(ARMcmpZ (and_su node:$LHS, node:$RHS), 0)>, 1>;
3411 defm TEQ : AI1_cmp_irs<0b1001, "teq",
3412 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
3413 BinOpFrag<(ARMcmpZ (xor_su node:$LHS, node:$RHS), 0)>, 1>;
3415 defm CMNz : AI1_cmp_irs<0b1011, "cmn",
3416 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
3417 BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>>;
3419 //def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
3420 // (CMNri GPR:$src, so_imm_neg:$imm)>;
3422 def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
3423 (CMNzri GPR:$src, so_imm_neg:$imm)>;
3425 // Pseudo i64 compares for some floating point compares.
3426 let usesCustomInserter = 1, isBranch = 1, isTerminator = 1,
3428 def BCCi64 : PseudoInst<(outs),
3429 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, brtarget:$dst),
3431 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, bb:$dst)]>;
3433 def BCCZi64 : PseudoInst<(outs),
3434 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, brtarget:$dst), IIC_Br,
3435 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, 0, 0, bb:$dst)]>;
3436 } // usesCustomInserter
3439 // Conditional moves
3440 // FIXME: should be able to write a pattern for ARMcmov, but can't use
3441 // a two-value operand where a dag node expects two operands. :(
3442 let neverHasSideEffects = 1 in {
3443 def MOVCCr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$false, GPR:$Rm, pred:$p),
3445 [/*(set GPR:$Rd, (ARMcmov GPR:$false, GPR:$Rm, imm:$cc, CCR:$ccr))*/]>,
3446 RegConstraint<"$false = $Rd">;
3447 def MOVCCsi : ARMPseudoInst<(outs GPR:$Rd),
3448 (ins GPR:$false, so_reg_imm:$shift, pred:$p),
3450 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_reg_imm:$shift, imm:$cc, CCR:$ccr))*/]>,
3451 RegConstraint<"$false = $Rd">;
3452 def MOVCCsr : ARMPseudoInst<(outs GPR:$Rd),
3453 (ins GPR:$false, so_reg_reg:$shift, pred:$p),
3455 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_reg_reg:$shift, imm:$cc, CCR:$ccr))*/]>,
3456 RegConstraint<"$false = $Rd">;
3459 let isMoveImm = 1 in
3460 def MOVCCi16 : ARMPseudoInst<(outs GPR:$Rd),
3461 (ins GPR:$false, imm0_65535_expr:$imm, pred:$p),
3464 RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>;
3466 let isMoveImm = 1 in
3467 def MOVCCi : ARMPseudoInst<(outs GPR:$Rd),
3468 (ins GPR:$false, so_imm:$imm, pred:$p),
3470 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm:$imm, imm:$cc, CCR:$ccr))*/]>,
3471 RegConstraint<"$false = $Rd">;
3473 // Two instruction predicate mov immediate.
3474 let isMoveImm = 1 in
3475 def MOVCCi32imm : ARMPseudoInst<(outs GPR:$Rd),
3476 (ins GPR:$false, i32imm:$src, pred:$p),
3477 8, IIC_iCMOVix2, []>, RegConstraint<"$false = $Rd">;
3479 let isMoveImm = 1 in
3480 def MVNCCi : ARMPseudoInst<(outs GPR:$Rd),
3481 (ins GPR:$false, so_imm:$imm, pred:$p),
3483 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm_not:$imm, imm:$cc, CCR:$ccr))*/]>,
3484 RegConstraint<"$false = $Rd">;
3485 } // neverHasSideEffects
3487 //===----------------------------------------------------------------------===//
3488 // Atomic operations intrinsics
3491 def memb_opt : Operand<i32> {
3492 let PrintMethod = "printMemBOption";
3493 let ParserMatchClass = MemBarrierOptOperand;
3496 // memory barriers protect the atomic sequences
3497 let hasSideEffects = 1 in {
3498 def DMB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
3499 "dmb", "\t$opt", [(ARMMemBarrier (i32 imm:$opt))]>,
3500 Requires<[IsARM, HasDB]> {
3502 let Inst{31-4} = 0xf57ff05;
3503 let Inst{3-0} = opt;
3507 def DSB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
3508 "dsb", "\t$opt", []>,
3509 Requires<[IsARM, HasDB]> {
3511 let Inst{31-4} = 0xf57ff04;
3512 let Inst{3-0} = opt;
3515 // ISB has only full system option
3516 def ISB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
3517 "isb", "\t$opt", []>,
3518 Requires<[IsARM, HasDB]> {
3520 let Inst{31-4} = 0xf57ff06;
3521 let Inst{3-0} = opt;
3524 let usesCustomInserter = 1 in {
3525 let Uses = [CPSR] in {
3526 def ATOMIC_LOAD_ADD_I8 : PseudoInst<
3527 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3528 [(set GPR:$dst, (atomic_load_add_8 GPR:$ptr, GPR:$incr))]>;
3529 def ATOMIC_LOAD_SUB_I8 : PseudoInst<
3530 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3531 [(set GPR:$dst, (atomic_load_sub_8 GPR:$ptr, GPR:$incr))]>;
3532 def ATOMIC_LOAD_AND_I8 : PseudoInst<
3533 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3534 [(set GPR:$dst, (atomic_load_and_8 GPR:$ptr, GPR:$incr))]>;
3535 def ATOMIC_LOAD_OR_I8 : PseudoInst<
3536 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3537 [(set GPR:$dst, (atomic_load_or_8 GPR:$ptr, GPR:$incr))]>;
3538 def ATOMIC_LOAD_XOR_I8 : PseudoInst<
3539 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3540 [(set GPR:$dst, (atomic_load_xor_8 GPR:$ptr, GPR:$incr))]>;
3541 def ATOMIC_LOAD_NAND_I8 : PseudoInst<
3542 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3543 [(set GPR:$dst, (atomic_load_nand_8 GPR:$ptr, GPR:$incr))]>;
3544 def ATOMIC_LOAD_MIN_I8 : PseudoInst<
3545 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3546 [(set GPR:$dst, (atomic_load_min_8 GPR:$ptr, GPR:$val))]>;
3547 def ATOMIC_LOAD_MAX_I8 : PseudoInst<
3548 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3549 [(set GPR:$dst, (atomic_load_max_8 GPR:$ptr, GPR:$val))]>;
3550 def ATOMIC_LOAD_UMIN_I8 : PseudoInst<
3551 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3552 [(set GPR:$dst, (atomic_load_min_8 GPR:$ptr, GPR:$val))]>;
3553 def ATOMIC_LOAD_UMAX_I8 : PseudoInst<
3554 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3555 [(set GPR:$dst, (atomic_load_max_8 GPR:$ptr, GPR:$val))]>;
3556 def ATOMIC_LOAD_ADD_I16 : PseudoInst<
3557 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3558 [(set GPR:$dst, (atomic_load_add_16 GPR:$ptr, GPR:$incr))]>;
3559 def ATOMIC_LOAD_SUB_I16 : PseudoInst<
3560 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3561 [(set GPR:$dst, (atomic_load_sub_16 GPR:$ptr, GPR:$incr))]>;
3562 def ATOMIC_LOAD_AND_I16 : PseudoInst<
3563 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3564 [(set GPR:$dst, (atomic_load_and_16 GPR:$ptr, GPR:$incr))]>;
3565 def ATOMIC_LOAD_OR_I16 : PseudoInst<
3566 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3567 [(set GPR:$dst, (atomic_load_or_16 GPR:$ptr, GPR:$incr))]>;
3568 def ATOMIC_LOAD_XOR_I16 : PseudoInst<
3569 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3570 [(set GPR:$dst, (atomic_load_xor_16 GPR:$ptr, GPR:$incr))]>;
3571 def ATOMIC_LOAD_NAND_I16 : PseudoInst<
3572 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3573 [(set GPR:$dst, (atomic_load_nand_16 GPR:$ptr, GPR:$incr))]>;
3574 def ATOMIC_LOAD_MIN_I16 : PseudoInst<
3575 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3576 [(set GPR:$dst, (atomic_load_min_16 GPR:$ptr, GPR:$val))]>;
3577 def ATOMIC_LOAD_MAX_I16 : PseudoInst<
3578 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3579 [(set GPR:$dst, (atomic_load_max_16 GPR:$ptr, GPR:$val))]>;
3580 def ATOMIC_LOAD_UMIN_I16 : PseudoInst<
3581 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3582 [(set GPR:$dst, (atomic_load_min_16 GPR:$ptr, GPR:$val))]>;
3583 def ATOMIC_LOAD_UMAX_I16 : PseudoInst<
3584 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3585 [(set GPR:$dst, (atomic_load_max_16 GPR:$ptr, GPR:$val))]>;
3586 def ATOMIC_LOAD_ADD_I32 : PseudoInst<
3587 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3588 [(set GPR:$dst, (atomic_load_add_32 GPR:$ptr, GPR:$incr))]>;
3589 def ATOMIC_LOAD_SUB_I32 : PseudoInst<
3590 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3591 [(set GPR:$dst, (atomic_load_sub_32 GPR:$ptr, GPR:$incr))]>;
3592 def ATOMIC_LOAD_AND_I32 : PseudoInst<
3593 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3594 [(set GPR:$dst, (atomic_load_and_32 GPR:$ptr, GPR:$incr))]>;
3595 def ATOMIC_LOAD_OR_I32 : PseudoInst<
3596 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3597 [(set GPR:$dst, (atomic_load_or_32 GPR:$ptr, GPR:$incr))]>;
3598 def ATOMIC_LOAD_XOR_I32 : PseudoInst<
3599 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3600 [(set GPR:$dst, (atomic_load_xor_32 GPR:$ptr, GPR:$incr))]>;
3601 def ATOMIC_LOAD_NAND_I32 : PseudoInst<
3602 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3603 [(set GPR:$dst, (atomic_load_nand_32 GPR:$ptr, GPR:$incr))]>;
3604 def ATOMIC_LOAD_MIN_I32 : PseudoInst<
3605 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3606 [(set GPR:$dst, (atomic_load_min_32 GPR:$ptr, GPR:$val))]>;
3607 def ATOMIC_LOAD_MAX_I32 : PseudoInst<
3608 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3609 [(set GPR:$dst, (atomic_load_max_32 GPR:$ptr, GPR:$val))]>;
3610 def ATOMIC_LOAD_UMIN_I32 : PseudoInst<
3611 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3612 [(set GPR:$dst, (atomic_load_min_32 GPR:$ptr, GPR:$val))]>;
3613 def ATOMIC_LOAD_UMAX_I32 : PseudoInst<
3614 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3615 [(set GPR:$dst, (atomic_load_max_32 GPR:$ptr, GPR:$val))]>;
3617 def ATOMIC_SWAP_I8 : PseudoInst<
3618 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
3619 [(set GPR:$dst, (atomic_swap_8 GPR:$ptr, GPR:$new))]>;
3620 def ATOMIC_SWAP_I16 : PseudoInst<
3621 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
3622 [(set GPR:$dst, (atomic_swap_16 GPR:$ptr, GPR:$new))]>;
3623 def ATOMIC_SWAP_I32 : PseudoInst<
3624 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
3625 [(set GPR:$dst, (atomic_swap_32 GPR:$ptr, GPR:$new))]>;
3627 def ATOMIC_CMP_SWAP_I8 : PseudoInst<
3628 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
3629 [(set GPR:$dst, (atomic_cmp_swap_8 GPR:$ptr, GPR:$old, GPR:$new))]>;
3630 def ATOMIC_CMP_SWAP_I16 : PseudoInst<
3631 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
3632 [(set GPR:$dst, (atomic_cmp_swap_16 GPR:$ptr, GPR:$old, GPR:$new))]>;
3633 def ATOMIC_CMP_SWAP_I32 : PseudoInst<
3634 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
3635 [(set GPR:$dst, (atomic_cmp_swap_32 GPR:$ptr, GPR:$old, GPR:$new))]>;
3639 let mayLoad = 1 in {
3640 def LDREXB : AIldrex<0b10, (outs GPR:$Rt), (ins addrmode7:$addr), NoItinerary,
3641 "ldrexb", "\t$Rt, $addr", []>;
3642 def LDREXH : AIldrex<0b11, (outs GPR:$Rt), (ins addrmode7:$addr), NoItinerary,
3643 "ldrexh", "\t$Rt, $addr", []>;
3644 def LDREX : AIldrex<0b00, (outs GPR:$Rt), (ins addrmode7:$addr), NoItinerary,
3645 "ldrex", "\t$Rt, $addr", []>;
3646 let hasExtraDefRegAllocReq = 1 in
3647 def LDREXD : AIldrex<0b01, (outs GPR:$Rt, GPR:$Rt2), (ins addrmode7:$addr),
3648 NoItinerary, "ldrexd", "\t$Rt, $Rt2, $addr", []>;
3651 let mayStore = 1, Constraints = "@earlyclobber $Rd" in {
3652 def STREXB : AIstrex<0b10, (outs GPR:$Rd), (ins GPR:$Rt, addrmode7:$addr),
3653 NoItinerary, "strexb", "\t$Rd, $Rt, $addr", []>;
3654 def STREXH : AIstrex<0b11, (outs GPR:$Rd), (ins GPR:$Rt, addrmode7:$addr),
3655 NoItinerary, "strexh", "\t$Rd, $Rt, $addr", []>;
3656 def STREX : AIstrex<0b00, (outs GPR:$Rd), (ins GPR:$Rt, addrmode7:$addr),
3657 NoItinerary, "strex", "\t$Rd, $Rt, $addr", []>;
3660 let hasExtraSrcRegAllocReq = 1, Constraints = "@earlyclobber $Rd" in
3661 def STREXD : AIstrex<0b01, (outs GPR:$Rd),
3662 (ins GPR:$Rt, GPR:$Rt2, addrmode7:$addr),
3663 NoItinerary, "strexd", "\t$Rd, $Rt, $Rt2, $addr", []>;
3665 // Clear-Exclusive is for disassembly only.
3666 def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex",
3667 [/* For disassembly only; pattern left blank */]>,
3668 Requires<[IsARM, HasV7]> {
3669 let Inst{31-0} = 0b11110101011111111111000000011111;
3672 // SWP/SWPB are deprecated in V6/V7 and for disassembly only.
3673 let mayLoad = 1 in {
3674 def SWP : AIswp<0, (outs GPR:$Rt), (ins GPR:$Rt2, GPR:$Rn), "swp",
3675 [/* For disassembly only; pattern left blank */]>;
3676 def SWPB : AIswp<1, (outs GPR:$Rt), (ins GPR:$Rt2, GPR:$Rn), "swpb",
3677 [/* For disassembly only; pattern left blank */]>;
3680 //===----------------------------------------------------------------------===//
3681 // Coprocessor Instructions.
3684 def CDP : ABI<0b1110, (outs), (ins p_imm:$cop, imm0_15:$opc1,
3685 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, imm0_7:$opc2),
3686 NoItinerary, "cdp", "\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
3687 [(int_arm_cdp imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
3688 imm:$CRm, imm:$opc2)]> {
3696 let Inst{3-0} = CRm;
3698 let Inst{7-5} = opc2;
3699 let Inst{11-8} = cop;
3700 let Inst{15-12} = CRd;
3701 let Inst{19-16} = CRn;
3702 let Inst{23-20} = opc1;
3705 def CDP2 : ABXI<0b1110, (outs), (ins p_imm:$cop, imm0_15:$opc1,
3706 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, imm0_7:$opc2),
3707 NoItinerary, "cdp2\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
3708 [(int_arm_cdp2 imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
3709 imm:$CRm, imm:$opc2)]> {
3710 let Inst{31-28} = 0b1111;
3718 let Inst{3-0} = CRm;
3720 let Inst{7-5} = opc2;
3721 let Inst{11-8} = cop;
3722 let Inst{15-12} = CRd;
3723 let Inst{19-16} = CRn;
3724 let Inst{23-20} = opc1;
3727 class ACI<dag oops, dag iops, string opc, string asm,
3728 IndexMode im = IndexModeNone>
3729 : InoP<oops, iops, AddrModeNone, 4, im, BrFrm, NoItinerary,
3730 opc, asm, "", [/* For disassembly only; pattern left blank */]> {
3731 let Inst{27-25} = 0b110;
3734 multiclass LdStCop<bits<4> op31_28, bit load, dag ops, string opc, string cond>{
3736 def _OFFSET : ACI<(outs),
3737 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
3738 !strconcat(opc, cond), "\tp$cop, cr$CRd, $addr"> {
3739 let Inst{31-28} = op31_28;
3740 let Inst{24} = 1; // P = 1
3741 let Inst{21} = 0; // W = 0
3742 let Inst{22} = 0; // D = 0
3743 let Inst{20} = load;
3746 def _PRE : ACI<(outs),
3747 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
3748 !strconcat(opc, cond), "\tp$cop, cr$CRd, $addr!", IndexModePre> {
3749 let Inst{31-28} = op31_28;
3750 let Inst{24} = 1; // P = 1
3751 let Inst{21} = 1; // W = 1
3752 let Inst{22} = 0; // D = 0
3753 let Inst{20} = load;
3756 def _POST : ACI<(outs),
3757 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
3758 !strconcat(opc, cond), "\tp$cop, cr$CRd, $addr", IndexModePost> {
3759 let Inst{31-28} = op31_28;
3760 let Inst{24} = 0; // P = 0
3761 let Inst{21} = 1; // W = 1
3762 let Inst{22} = 0; // D = 0
3763 let Inst{20} = load;
3766 def _OPTION : ACI<(outs),
3767 !con((ins nohash_imm:$cop,nohash_imm:$CRd,GPR:$base, nohash_imm:$option),
3769 !strconcat(opc, cond), "\tp$cop, cr$CRd, [$base], \\{$option\\}"> {
3770 let Inst{31-28} = op31_28;
3771 let Inst{24} = 0; // P = 0
3772 let Inst{23} = 1; // U = 1
3773 let Inst{21} = 0; // W = 0
3774 let Inst{22} = 0; // D = 0
3775 let Inst{20} = load;
3778 def L_OFFSET : ACI<(outs),
3779 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
3780 !strconcat(!strconcat(opc, "l"), cond), "\tp$cop, cr$CRd, $addr"> {
3781 let Inst{31-28} = op31_28;
3782 let Inst{24} = 1; // P = 1
3783 let Inst{21} = 0; // W = 0
3784 let Inst{22} = 1; // D = 1
3785 let Inst{20} = load;
3788 def L_PRE : ACI<(outs),
3789 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
3790 !strconcat(!strconcat(opc, "l"), cond), "\tp$cop, cr$CRd, $addr!",
3792 let Inst{31-28} = op31_28;
3793 let Inst{24} = 1; // P = 1
3794 let Inst{21} = 1; // W = 1
3795 let Inst{22} = 1; // D = 1
3796 let Inst{20} = load;
3799 def L_POST : ACI<(outs),
3800 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
3801 !strconcat(!strconcat(opc, "l"), cond), "\tp$cop, cr$CRd, $addr",
3803 let Inst{31-28} = op31_28;
3804 let Inst{24} = 0; // P = 0
3805 let Inst{21} = 1; // W = 1
3806 let Inst{22} = 1; // D = 1
3807 let Inst{20} = load;
3810 def L_OPTION : ACI<(outs),
3811 !con((ins nohash_imm:$cop, nohash_imm:$CRd,GPR:$base,nohash_imm:$option),
3813 !strconcat(!strconcat(opc, "l"), cond),
3814 "\tp$cop, cr$CRd, [$base], \\{$option\\}"> {
3815 let Inst{31-28} = op31_28;
3816 let Inst{24} = 0; // P = 0
3817 let Inst{23} = 1; // U = 1
3818 let Inst{21} = 0; // W = 0
3819 let Inst{22} = 1; // D = 1
3820 let Inst{20} = load;
3824 defm LDC : LdStCop<{?,?,?,?}, 1, (ins pred:$p), "ldc", "${p}">;
3825 defm LDC2 : LdStCop<0b1111, 1, (ins), "ldc2", "">;
3826 defm STC : LdStCop<{?,?,?,?}, 0, (ins pred:$p), "stc", "${p}">;
3827 defm STC2 : LdStCop<0b1111, 0, (ins), "stc2", "">;
3829 //===----------------------------------------------------------------------===//
3830 // Move between coprocessor and ARM core register -- for disassembly only
3833 class MovRCopro<string opc, bit direction, dag oops, dag iops,
3835 : ABI<0b1110, oops, iops, NoItinerary, opc,
3836 "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2", pattern> {
3837 let Inst{20} = direction;
3847 let Inst{15-12} = Rt;
3848 let Inst{11-8} = cop;
3849 let Inst{23-21} = opc1;
3850 let Inst{7-5} = opc2;
3851 let Inst{3-0} = CRm;
3852 let Inst{19-16} = CRn;
3855 def MCR : MovRCopro<"mcr", 0 /* from ARM core register to coprocessor */,
3857 (ins p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
3858 c_imm:$CRm, imm0_7:$opc2),
3859 [(int_arm_mcr imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
3860 imm:$CRm, imm:$opc2)]>;
3861 def MRC : MovRCopro<"mrc", 1 /* from coprocessor to ARM core register */,
3863 (ins p_imm:$cop, imm0_7:$opc1, c_imm:$CRn, c_imm:$CRm,
3866 def : ARMPat<(int_arm_mrc imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2),
3867 (MRC imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
3869 class MovRCopro2<string opc, bit direction, dag oops, dag iops,
3871 : ABXI<0b1110, oops, iops, NoItinerary,
3872 !strconcat(opc, "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2"), pattern> {
3873 let Inst{31-28} = 0b1111;
3874 let Inst{20} = direction;
3884 let Inst{15-12} = Rt;
3885 let Inst{11-8} = cop;
3886 let Inst{23-21} = opc1;
3887 let Inst{7-5} = opc2;
3888 let Inst{3-0} = CRm;
3889 let Inst{19-16} = CRn;
3892 def MCR2 : MovRCopro2<"mcr2", 0 /* from ARM core register to coprocessor */,
3894 (ins p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
3895 c_imm:$CRm, imm0_7:$opc2),
3896 [(int_arm_mcr2 imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
3897 imm:$CRm, imm:$opc2)]>;
3898 def MRC2 : MovRCopro2<"mrc2", 1 /* from coprocessor to ARM core register */,
3900 (ins p_imm:$cop, imm0_7:$opc1, c_imm:$CRn, c_imm:$CRm,
3903 def : ARMV5TPat<(int_arm_mrc2 imm:$cop, imm:$opc1, imm:$CRn,
3904 imm:$CRm, imm:$opc2),
3905 (MRC2 imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
3907 class MovRRCopro<string opc, bit direction,
3908 list<dag> pattern = [/* For disassembly only */]>
3909 : ABI<0b1100, (outs), (ins p_imm:$cop, imm0_15:$opc1,
3910 GPR:$Rt, GPR:$Rt2, c_imm:$CRm),
3911 NoItinerary, opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm", pattern> {
3912 let Inst{23-21} = 0b010;
3913 let Inst{20} = direction;
3921 let Inst{15-12} = Rt;
3922 let Inst{19-16} = Rt2;
3923 let Inst{11-8} = cop;
3924 let Inst{7-4} = opc1;
3925 let Inst{3-0} = CRm;
3928 def MCRR : MovRRCopro<"mcrr", 0 /* from ARM core register to coprocessor */,
3929 [(int_arm_mcrr imm:$cop, imm:$opc1, GPR:$Rt, GPR:$Rt2,
3931 def MRRC : MovRRCopro<"mrrc", 1 /* from coprocessor to ARM core register */>;
3933 class MovRRCopro2<string opc, bit direction,
3934 list<dag> pattern = [/* For disassembly only */]>
3935 : ABXI<0b1100, (outs), (ins p_imm:$cop, imm0_15:$opc1,
3936 GPR:$Rt, GPR:$Rt2, c_imm:$CRm), NoItinerary,
3937 !strconcat(opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm"), pattern> {
3938 let Inst{31-28} = 0b1111;
3939 let Inst{23-21} = 0b010;
3940 let Inst{20} = direction;
3948 let Inst{15-12} = Rt;
3949 let Inst{19-16} = Rt2;
3950 let Inst{11-8} = cop;
3951 let Inst{7-4} = opc1;
3952 let Inst{3-0} = CRm;
3955 def MCRR2 : MovRRCopro2<"mcrr2", 0 /* from ARM core register to coprocessor */,
3956 [(int_arm_mcrr2 imm:$cop, imm:$opc1, GPR:$Rt, GPR:$Rt2,
3958 def MRRC2 : MovRRCopro2<"mrrc2", 1 /* from coprocessor to ARM core register */>;
3960 //===----------------------------------------------------------------------===//
3961 // Move between special register and ARM core register
3964 // Move to ARM core register from Special Register
3965 def MRS : ABI<0b0001, (outs GPR:$Rd), (ins), NoItinerary,
3966 "mrs", "\t$Rd, apsr", []> {
3968 let Inst{23-16} = 0b00001111;
3969 let Inst{15-12} = Rd;
3970 let Inst{7-4} = 0b0000;
3973 def : InstAlias<"mrs${p} $Rd, cpsr", (MRS GPR:$Rd, pred:$p)>, Requires<[IsARM]>;
3975 def MRSsys : ABI<0b0001, (outs GPR:$Rd), (ins), NoItinerary,
3976 "mrs", "\t$Rd, spsr", []> {
3978 let Inst{23-16} = 0b01001111;
3979 let Inst{15-12} = Rd;
3980 let Inst{7-4} = 0b0000;
3983 // Move from ARM core register to Special Register
3985 // No need to have both system and application versions, the encodings are the
3986 // same and the assembly parser has no way to distinguish between them. The mask
3987 // operand contains the special register (R Bit) in bit 4 and bits 3-0 contains
3988 // the mask with the fields to be accessed in the special register.
3989 def MSR : ABI<0b0001, (outs), (ins msr_mask:$mask, GPR:$Rn), NoItinerary,
3990 "msr", "\t$mask, $Rn", []> {
3995 let Inst{22} = mask{4}; // R bit
3996 let Inst{21-20} = 0b10;
3997 let Inst{19-16} = mask{3-0};
3998 let Inst{15-12} = 0b1111;
3999 let Inst{11-4} = 0b00000000;
4003 def MSRi : ABI<0b0011, (outs), (ins msr_mask:$mask, so_imm:$a), NoItinerary,
4004 "msr", "\t$mask, $a", []> {
4009 let Inst{22} = mask{4}; // R bit
4010 let Inst{21-20} = 0b10;
4011 let Inst{19-16} = mask{3-0};
4012 let Inst{15-12} = 0b1111;
4016 //===----------------------------------------------------------------------===//
4020 // __aeabi_read_tp preserves the registers r1-r3.
4021 // This is a pseudo inst so that we can get the encoding right,
4022 // complete with fixup for the aeabi_read_tp function.
4024 Defs = [R0, R12, LR, CPSR], Uses = [SP] in {
4025 def TPsoft : PseudoInst<(outs), (ins), IIC_Br,
4026 [(set R0, ARMthread_pointer)]>;
4029 //===----------------------------------------------------------------------===//
4030 // SJLJ Exception handling intrinsics
4031 // eh_sjlj_setjmp() is an instruction sequence to store the return
4032 // address and save #0 in R0 for the non-longjmp case.
4033 // Since by its nature we may be coming from some other function to get
4034 // here, and we're using the stack frame for the containing function to
4035 // save/restore registers, we can't keep anything live in regs across
4036 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
4037 // when we get here from a longjmp(). We force everything out of registers
4038 // except for our own input by listing the relevant registers in Defs. By
4039 // doing so, we also cause the prologue/epilogue code to actively preserve
4040 // all of the callee-saved resgisters, which is exactly what we want.
4041 // A constant value is passed in $val, and we use the location as a scratch.
4043 // These are pseudo-instructions and are lowered to individual MC-insts, so
4044 // no encoding information is necessary.
4046 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR,
4047 QQQQ0, QQQQ1, QQQQ2, QQQQ3 ], hasSideEffects = 1, isBarrier = 1 in {
4048 def Int_eh_sjlj_setjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
4050 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
4051 Requires<[IsARM, HasVFP2]>;
4055 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR ],
4056 hasSideEffects = 1, isBarrier = 1 in {
4057 def Int_eh_sjlj_setjmp_nofp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
4059 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
4060 Requires<[IsARM, NoVFP]>;
4063 // FIXME: Non-Darwin version(s)
4064 let isBarrier = 1, hasSideEffects = 1, isTerminator = 1,
4065 Defs = [ R7, LR, SP ] in {
4066 def Int_eh_sjlj_longjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$scratch),
4068 [(ARMeh_sjlj_longjmp GPR:$src, GPR:$scratch)]>,
4069 Requires<[IsARM, IsDarwin]>;
4072 // eh.sjlj.dispatchsetup pseudo-instruction.
4073 // This pseudo is used for ARM, Thumb1 and Thumb2. Any differences are
4074 // handled when the pseudo is expanded (which happens before any passes
4075 // that need the instruction size).
4076 let isBarrier = 1, hasSideEffects = 1 in
4077 def Int_eh_sjlj_dispatchsetup :
4078 PseudoInst<(outs), (ins GPR:$src), NoItinerary,
4079 [(ARMeh_sjlj_dispatchsetup GPR:$src)]>,
4080 Requires<[IsDarwin]>;
4082 //===----------------------------------------------------------------------===//
4083 // Non-Instruction Patterns
4086 // ARMv4 indirect branch using (MOVr PC, dst)
4087 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in
4088 def MOVPCRX : ARMPseudoExpand<(outs), (ins GPR:$dst),
4089 4, IIC_Br, [(brind GPR:$dst)],
4090 (MOVr PC, GPR:$dst, (ops 14, zero_reg), zero_reg)>,
4091 Requires<[IsARM, NoV4T]>;
4093 // Large immediate handling.
4095 // 32-bit immediate using two piece so_imms or movw + movt.
4096 // This is a single pseudo instruction, the benefit is that it can be remat'd
4097 // as a single unit instead of having to handle reg inputs.
4098 // FIXME: Remove this when we can do generalized remat.
4099 let isReMaterializable = 1, isMoveImm = 1 in
4100 def MOVi32imm : PseudoInst<(outs GPR:$dst), (ins i32imm:$src), IIC_iMOVix2,
4101 [(set GPR:$dst, (arm_i32imm:$src))]>,
4104 // Pseudo instruction that combines movw + movt + add pc (if PIC).
4105 // It also makes it possible to rematerialize the instructions.
4106 // FIXME: Remove this when we can do generalized remat and when machine licm
4107 // can properly the instructions.
4108 let isReMaterializable = 1 in {
4109 def MOV_ga_pcrel : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
4111 [(set GPR:$dst, (ARMWrapperPIC tglobaladdr:$addr))]>,
4112 Requires<[IsARM, UseMovt]>;
4114 def MOV_ga_dyn : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
4116 [(set GPR:$dst, (ARMWrapperDYN tglobaladdr:$addr))]>,
4117 Requires<[IsARM, UseMovt]>;
4119 let AddedComplexity = 10 in
4120 def MOV_ga_pcrel_ldr : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
4122 [(set GPR:$dst, (load (ARMWrapperPIC tglobaladdr:$addr)))]>,
4123 Requires<[IsARM, UseMovt]>;
4124 } // isReMaterializable
4126 // ConstantPool, GlobalAddress, and JumpTable
4127 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>,
4128 Requires<[IsARM, DontUseMovt]>;
4129 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
4130 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
4131 Requires<[IsARM, UseMovt]>;
4132 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
4133 (LEApcrelJT tjumptable:$dst, imm:$id)>;
4135 // TODO: add,sub,and, 3-instr forms?
4138 def : ARMPat<(ARMtcret tcGPR:$dst),
4139 (TCRETURNri tcGPR:$dst)>, Requires<[IsDarwin]>;
4141 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
4142 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
4144 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
4145 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
4147 def : ARMPat<(ARMtcret tcGPR:$dst),
4148 (TCRETURNriND tcGPR:$dst)>, Requires<[IsNotDarwin]>;
4150 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
4151 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
4153 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
4154 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
4157 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>,
4158 Requires<[IsARM, IsNotDarwin]>;
4159 def : ARMPat<(ARMcall texternalsym:$func), (BLr9 texternalsym:$func)>,
4160 Requires<[IsARM, IsDarwin]>;
4162 // zextload i1 -> zextload i8
4163 def : ARMPat<(zextloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
4164 def : ARMPat<(zextloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
4166 // extload -> zextload
4167 def : ARMPat<(extloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
4168 def : ARMPat<(extloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
4169 def : ARMPat<(extloadi8 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
4170 def : ARMPat<(extloadi8 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
4172 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
4174 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
4175 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
4178 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
4179 (sra (shl GPR:$b, (i32 16)), (i32 16))),
4180 (SMULBB GPR:$a, GPR:$b)>;
4181 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
4182 (SMULBB GPR:$a, GPR:$b)>;
4183 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
4184 (sra GPR:$b, (i32 16))),
4185 (SMULBT GPR:$a, GPR:$b)>;
4186 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
4187 (SMULBT GPR:$a, GPR:$b)>;
4188 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
4189 (sra (shl GPR:$b, (i32 16)), (i32 16))),
4190 (SMULTB GPR:$a, GPR:$b)>;
4191 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
4192 (SMULTB GPR:$a, GPR:$b)>;
4193 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
4195 (SMULWB GPR:$a, GPR:$b)>;
4196 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
4197 (SMULWB GPR:$a, GPR:$b)>;
4199 def : ARMV5TEPat<(add GPR:$acc,
4200 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
4201 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
4202 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
4203 def : ARMV5TEPat<(add GPR:$acc,
4204 (mul sext_16_node:$a, sext_16_node:$b)),
4205 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
4206 def : ARMV5TEPat<(add GPR:$acc,
4207 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
4208 (sra GPR:$b, (i32 16)))),
4209 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
4210 def : ARMV5TEPat<(add GPR:$acc,
4211 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
4212 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
4213 def : ARMV5TEPat<(add GPR:$acc,
4214 (mul (sra GPR:$a, (i32 16)),
4215 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
4216 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
4217 def : ARMV5TEPat<(add GPR:$acc,
4218 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
4219 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
4220 def : ARMV5TEPat<(add GPR:$acc,
4221 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
4223 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
4224 def : ARMV5TEPat<(add GPR:$acc,
4225 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
4226 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
4229 // Pre-v7 uses MCR for synchronization barriers.
4230 def : ARMPat<(ARMMemBarrierMCR GPR:$zero), (MCR 15, 0, GPR:$zero, 7, 10, 5)>,
4231 Requires<[IsARM, HasV6]>;
4234 //===----------------------------------------------------------------------===//
4238 include "ARMInstrThumb.td"
4240 //===----------------------------------------------------------------------===//
4244 include "ARMInstrThumb2.td"
4246 //===----------------------------------------------------------------------===//
4247 // Floating Point Support
4250 include "ARMInstrVFP.td"
4252 //===----------------------------------------------------------------------===//
4253 // Advanced SIMD (NEON) Support
4256 include "ARMInstrNEON.td"
4258 //===----------------------------------------------------------------------===//
4259 // Assembler aliases
4263 def : InstAlias<"dmb", (DMB 0xf)>, Requires<[IsARM, HasDB]>;
4264 def : InstAlias<"dsb", (DSB 0xf)>, Requires<[IsARM, HasDB]>;
4265 def : InstAlias<"isb", (ISB 0xf)>, Requires<[IsARM, HasDB]>;
4267 // System instructions
4268 def : MnemonicAlias<"swi", "svc">;
4270 // Load / Store Multiple
4271 def : MnemonicAlias<"ldmfd", "ldm">;
4272 def : MnemonicAlias<"ldmia", "ldm">;
4273 def : MnemonicAlias<"stmfd", "stmdb">;
4274 def : MnemonicAlias<"stmia", "stm">;
4275 def : MnemonicAlias<"stmea", "stm">;
4277 // PKHBT/PKHTB with default shift amount. PKHTB is equivalent to PKHBT when the
4278 // shift amount is zero (i.e., unspecified).
4279 def : InstAlias<"pkhbt${p} $Rd, $Rn, $Rm",
4280 (PKHBT GPR:$Rd, GPR:$Rn, GPR:$Rm, 0, pred:$p)>;
4281 def : InstAlias<"pkhtb${p} $Rd, $Rn, $Rm",
4282 (PKHBT GPR:$Rd, GPR:$Rn, GPR:$Rm, 0, pred:$p)>;
4284 // PUSH/POP aliases for STM/LDM
4285 def : InstAlias<"push${p} $regs",
4286 (STMDB_UPD SP, pred:$p, reglist:$regs)>;
4287 def : InstAlias<"pop${p} $regs",
4288 (LDMIA_UPD SP, pred:$p, reglist:$regs)>;
4290 // RSB two-operand forms (optional explicit destination operand)
4291 def : InstAlias<"rsb${s}${p} $Rdn, $imm",
4292 (RSBri GPR:$Rdn, GPR:$Rdn, so_imm:$imm, pred:$p, cc_out:$s)>,
4294 def : InstAlias<"rsb${s}${p} $Rdn, $Rm",
4295 (RSBrr GPR:$Rdn, GPR:$Rdn, GPR:$Rm, pred:$p, cc_out:$s)>,
4297 def : InstAlias<"rsb${s}${p} $Rdn, $shift",
4298 (RSBrsi GPR:$Rdn, GPR:$Rdn, so_reg_imm:$shift, pred:$p,
4299 cc_out:$s)>, Requires<[IsARM]>;
4300 def : InstAlias<"rsb${s}${p} $Rdn, $shift",
4301 (RSBrsr GPR:$Rdn, GPR:$Rdn, so_reg_reg:$shift, pred:$p,
4302 cc_out:$s)>, Requires<[IsARM]>;
4303 // RSC two-operand forms (optional explicit destination operand)
4304 def : InstAlias<"rsc${s}${p} $Rdn, $imm",
4305 (RSCri GPR:$Rdn, GPR:$Rdn, so_imm:$imm, pred:$p, cc_out:$s)>,
4307 def : InstAlias<"rsc${s}${p} $Rdn, $Rm",
4308 (RSCrr GPR:$Rdn, GPR:$Rdn, GPR:$Rm, pred:$p, cc_out:$s)>,
4310 def : InstAlias<"rsc${s}${p} $Rdn, $shift",
4311 (RSCrsi GPR:$Rdn, GPR:$Rdn, so_reg_imm:$shift, pred:$p,
4312 cc_out:$s)>, Requires<[IsARM]>;
4313 def : InstAlias<"rsc${s}${p} $Rdn, $shift",
4314 (RSCrsr GPR:$Rdn, GPR:$Rdn, so_reg_reg:$shift, pred:$p,
4315 cc_out:$s)>, Requires<[IsARM]>;