1 //===- ARMInstrInfo.td - Target Description for ARM Target -*- tablegen -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file describes the ARM instructions in TableGen format.
12 //===----------------------------------------------------------------------===//
14 //===----------------------------------------------------------------------===//
15 // ARM specific DAG Nodes.
19 def SDT_ARMCallSeqStart : SDCallSeqStart<[ SDTCisVT<0, i32> ]>;
20 def SDT_ARMCallSeqEnd : SDCallSeqEnd<[ SDTCisVT<0, i32>, SDTCisVT<1, i32> ]>;
22 def SDT_ARMSaveCallPC : SDTypeProfile<0, 1, []>;
24 def SDT_ARMcall : SDTypeProfile<0, -1, [SDTCisPtrTy<0>]>;
26 def SDT_ARMCMov : SDTypeProfile<1, 3,
27 [SDTCisSameAs<0, 1>, SDTCisSameAs<0, 2>,
30 def SDT_ARMBrcond : SDTypeProfile<0, 2,
31 [SDTCisVT<0, OtherVT>, SDTCisVT<1, i32>]>;
33 def SDT_ARMBrJT : SDTypeProfile<0, 3,
34 [SDTCisPtrTy<0>, SDTCisVT<1, i32>,
37 def SDT_ARMBr2JT : SDTypeProfile<0, 4,
38 [SDTCisPtrTy<0>, SDTCisVT<1, i32>,
39 SDTCisVT<2, i32>, SDTCisVT<3, i32>]>;
41 def SDT_ARMBCC_i64 : SDTypeProfile<0, 6,
43 SDTCisVT<1, i32>, SDTCisVT<2, i32>,
44 SDTCisVT<3, i32>, SDTCisVT<4, i32>,
45 SDTCisVT<5, OtherVT>]>;
47 def SDT_ARMAnd : SDTypeProfile<1, 2,
48 [SDTCisVT<0, i32>, SDTCisVT<1, i32>,
51 def SDT_ARMCmp : SDTypeProfile<0, 2, [SDTCisSameAs<0, 1>]>;
53 def SDT_ARMPICAdd : SDTypeProfile<1, 2, [SDTCisSameAs<0, 1>,
54 SDTCisPtrTy<1>, SDTCisVT<2, i32>]>;
56 def SDT_ARMThreadPointer : SDTypeProfile<1, 0, [SDTCisPtrTy<0>]>;
57 def SDT_ARMEH_SJLJ_Setjmp : SDTypeProfile<1, 2, [SDTCisInt<0>, SDTCisPtrTy<1>,
59 def SDT_ARMEH_SJLJ_Longjmp: SDTypeProfile<0, 2, [SDTCisPtrTy<0>, SDTCisInt<1>]>;
61 def SDT_ARMEH_SJLJ_DispatchSetup: SDTypeProfile<0, 1, [SDTCisInt<0>]>;
63 def SDT_ARMMEMBARRIER : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
65 def SDT_ARMPREFETCH : SDTypeProfile<0, 3, [SDTCisPtrTy<0>, SDTCisSameAs<1, 2>,
68 def SDT_ARMTCRET : SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>;
70 def SDT_ARMBFI : SDTypeProfile<1, 3, [SDTCisVT<0, i32>, SDTCisVT<1, i32>,
71 SDTCisVT<2, i32>, SDTCisVT<3, i32>]>;
74 def ARMWrapper : SDNode<"ARMISD::Wrapper", SDTIntUnaryOp>;
75 def ARMWrapperDYN : SDNode<"ARMISD::WrapperDYN", SDTIntUnaryOp>;
76 def ARMWrapperPIC : SDNode<"ARMISD::WrapperPIC", SDTIntUnaryOp>;
77 def ARMWrapperJT : SDNode<"ARMISD::WrapperJT", SDTIntBinOp>;
79 def ARMcallseq_start : SDNode<"ISD::CALLSEQ_START", SDT_ARMCallSeqStart,
80 [SDNPHasChain, SDNPOutGlue]>;
81 def ARMcallseq_end : SDNode<"ISD::CALLSEQ_END", SDT_ARMCallSeqEnd,
82 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue]>;
84 def ARMcall : SDNode<"ARMISD::CALL", SDT_ARMcall,
85 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
87 def ARMcall_pred : SDNode<"ARMISD::CALL_PRED", SDT_ARMcall,
88 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
90 def ARMcall_nolink : SDNode<"ARMISD::CALL_NOLINK", SDT_ARMcall,
91 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
94 def ARMretflag : SDNode<"ARMISD::RET_FLAG", SDTNone,
95 [SDNPHasChain, SDNPOptInGlue]>;
97 def ARMcmov : SDNode<"ARMISD::CMOV", SDT_ARMCMov,
100 def ARMbrcond : SDNode<"ARMISD::BRCOND", SDT_ARMBrcond,
101 [SDNPHasChain, SDNPInGlue, SDNPOutGlue]>;
103 def ARMbrjt : SDNode<"ARMISD::BR_JT", SDT_ARMBrJT,
105 def ARMbr2jt : SDNode<"ARMISD::BR2_JT", SDT_ARMBr2JT,
108 def ARMBcci64 : SDNode<"ARMISD::BCC_i64", SDT_ARMBCC_i64,
111 def ARMcmp : SDNode<"ARMISD::CMP", SDT_ARMCmp,
114 def ARMcmpZ : SDNode<"ARMISD::CMPZ", SDT_ARMCmp,
115 [SDNPOutGlue, SDNPCommutative]>;
117 def ARMpic_add : SDNode<"ARMISD::PIC_ADD", SDT_ARMPICAdd>;
119 def ARMsrl_flag : SDNode<"ARMISD::SRL_FLAG", SDTIntUnaryOp, [SDNPOutGlue]>;
120 def ARMsra_flag : SDNode<"ARMISD::SRA_FLAG", SDTIntUnaryOp, [SDNPOutGlue]>;
121 def ARMrrx : SDNode<"ARMISD::RRX" , SDTIntUnaryOp, [SDNPInGlue ]>;
123 def ARMthread_pointer: SDNode<"ARMISD::THREAD_POINTER", SDT_ARMThreadPointer>;
124 def ARMeh_sjlj_setjmp: SDNode<"ARMISD::EH_SJLJ_SETJMP",
125 SDT_ARMEH_SJLJ_Setjmp, [SDNPHasChain]>;
126 def ARMeh_sjlj_longjmp: SDNode<"ARMISD::EH_SJLJ_LONGJMP",
127 SDT_ARMEH_SJLJ_Longjmp, [SDNPHasChain]>;
128 def ARMeh_sjlj_dispatchsetup: SDNode<"ARMISD::EH_SJLJ_DISPATCHSETUP",
129 SDT_ARMEH_SJLJ_DispatchSetup, [SDNPHasChain]>;
132 def ARMMemBarrier : SDNode<"ARMISD::MEMBARRIER", SDT_ARMMEMBARRIER,
134 def ARMMemBarrierMCR : SDNode<"ARMISD::MEMBARRIER_MCR", SDT_ARMMEMBARRIER,
136 def ARMPreload : SDNode<"ARMISD::PRELOAD", SDT_ARMPREFETCH,
137 [SDNPHasChain, SDNPMayLoad, SDNPMayStore]>;
139 def ARMrbit : SDNode<"ARMISD::RBIT", SDTIntUnaryOp>;
141 def ARMtcret : SDNode<"ARMISD::TC_RETURN", SDT_ARMTCRET,
142 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
145 def ARMbfi : SDNode<"ARMISD::BFI", SDT_ARMBFI>;
147 //===----------------------------------------------------------------------===//
148 // ARM Instruction Predicate Definitions.
150 def HasV4T : Predicate<"Subtarget->hasV4TOps()">,
151 AssemblerPredicate<"HasV4TOps">;
152 def NoV4T : Predicate<"!Subtarget->hasV4TOps()">;
153 def HasV5T : Predicate<"Subtarget->hasV5TOps()">;
154 def HasV5TE : Predicate<"Subtarget->hasV5TEOps()">,
155 AssemblerPredicate<"HasV5TEOps">;
156 def HasV6 : Predicate<"Subtarget->hasV6Ops()">,
157 AssemblerPredicate<"HasV6Ops">;
158 def NoV6 : Predicate<"!Subtarget->hasV6Ops()">;
159 def HasV6T2 : Predicate<"Subtarget->hasV6T2Ops()">,
160 AssemblerPredicate<"HasV6T2Ops">;
161 def NoV6T2 : Predicate<"!Subtarget->hasV6T2Ops()">;
162 def HasV7 : Predicate<"Subtarget->hasV7Ops()">,
163 AssemblerPredicate<"HasV7Ops">;
164 def NoVFP : Predicate<"!Subtarget->hasVFP2()">;
165 def HasVFP2 : Predicate<"Subtarget->hasVFP2()">,
166 AssemblerPredicate<"FeatureVFP2">;
167 def HasVFP3 : Predicate<"Subtarget->hasVFP3()">,
168 AssemblerPredicate<"FeatureVFP3">;
169 def HasNEON : Predicate<"Subtarget->hasNEON()">,
170 AssemblerPredicate<"FeatureNEON">;
171 def HasFP16 : Predicate<"Subtarget->hasFP16()">,
172 AssemblerPredicate<"FeatureFP16">;
173 def HasDivide : Predicate<"Subtarget->hasDivide()">,
174 AssemblerPredicate<"FeatureHWDiv">;
175 def HasT2ExtractPack : Predicate<"Subtarget->hasT2ExtractPack()">,
176 AssemblerPredicate<"FeatureT2XtPk">;
177 def HasThumb2DSP : Predicate<"Subtarget->hasThumb2DSP()">,
178 AssemblerPredicate<"FeatureDSPThumb2">;
179 def HasDB : Predicate<"Subtarget->hasDataBarrier()">,
180 AssemblerPredicate<"FeatureDB">;
181 def HasMP : Predicate<"Subtarget->hasMPExtension()">,
182 AssemblerPredicate<"FeatureMP">;
183 def UseNEONForFP : Predicate<"Subtarget->useNEONForSinglePrecisionFP()">;
184 def DontUseNEONForFP : Predicate<"!Subtarget->useNEONForSinglePrecisionFP()">;
185 def IsThumb : Predicate<"Subtarget->isThumb()">,
186 AssemblerPredicate<"ModeThumb">;
187 def IsThumb1Only : Predicate<"Subtarget->isThumb1Only()">;
188 def IsThumb2 : Predicate<"Subtarget->isThumb2()">,
189 AssemblerPredicate<"ModeThumb,FeatureThumb2">;
190 def IsARM : Predicate<"!Subtarget->isThumb()">,
191 AssemblerPredicate<"!ModeThumb">;
192 def IsDarwin : Predicate<"Subtarget->isTargetDarwin()">;
193 def IsNotDarwin : Predicate<"!Subtarget->isTargetDarwin()">;
195 // FIXME: Eventually this will be just "hasV6T2Ops".
196 def UseMovt : Predicate<"Subtarget->useMovt()">;
197 def DontUseMovt : Predicate<"!Subtarget->useMovt()">;
198 def UseFPVMLx : Predicate<"Subtarget->useFPVMLx()">;
200 //===----------------------------------------------------------------------===//
201 // ARM Flag Definitions.
203 class RegConstraint<string C> {
204 string Constraints = C;
207 //===----------------------------------------------------------------------===//
208 // ARM specific transformation functions and pattern fragments.
211 // so_imm_neg_XFORM - Return a so_imm value packed into the format described for
212 // so_imm_neg def below.
213 def so_imm_neg_XFORM : SDNodeXForm<imm, [{
214 return CurDAG->getTargetConstant(-(int)N->getZExtValue(), MVT::i32);
217 // so_imm_not_XFORM - Return a so_imm value packed into the format described for
218 // so_imm_not def below.
219 def so_imm_not_XFORM : SDNodeXForm<imm, [{
220 return CurDAG->getTargetConstant(~(int)N->getZExtValue(), MVT::i32);
223 /// imm1_15 predicate - True if the 32-bit immediate is in the range [1,15].
224 def imm1_15 : ImmLeaf<i32, [{
225 return (int32_t)Imm >= 1 && (int32_t)Imm < 16;
228 /// imm16_31 predicate - True if the 32-bit immediate is in the range [16,31].
229 def imm16_31 : ImmLeaf<i32, [{
230 return (int32_t)Imm >= 16 && (int32_t)Imm < 32;
235 return ARM_AM::getSOImmVal(-(uint32_t)N->getZExtValue()) != -1;
236 }], so_imm_neg_XFORM>;
240 return ARM_AM::getSOImmVal(~(uint32_t)N->getZExtValue()) != -1;
241 }], so_imm_not_XFORM>;
243 // sext_16_node predicate - True if the SDNode is sign-extended 16 or more bits.
244 def sext_16_node : PatLeaf<(i32 GPR:$a), [{
245 return CurDAG->ComputeNumSignBits(SDValue(N,0)) >= 17;
248 /// Split a 32-bit immediate into two 16 bit parts.
249 def hi16 : SDNodeXForm<imm, [{
250 return CurDAG->getTargetConstant((uint32_t)N->getZExtValue() >> 16, MVT::i32);
253 def lo16AllZero : PatLeaf<(i32 imm), [{
254 // Returns true if all low 16-bits are 0.
255 return (((uint32_t)N->getZExtValue()) & 0xFFFFUL) == 0;
258 /// imm0_65535 - An immediate is in the range [0.65535].
259 def Imm0_65535AsmOperand: AsmOperandClass { let Name = "Imm0_65535"; }
260 def imm0_65535 : Operand<i32>, ImmLeaf<i32, [{
261 return Imm >= 0 && Imm < 65536;
263 let ParserMatchClass = Imm0_65535AsmOperand;
266 class BinOpFrag<dag res> : PatFrag<(ops node:$LHS, node:$RHS), res>;
267 class UnOpFrag <dag res> : PatFrag<(ops node:$Src), res>;
269 /// adde and sube predicates - True based on whether the carry flag output
270 /// will be needed or not.
271 def adde_dead_carry :
272 PatFrag<(ops node:$LHS, node:$RHS), (adde node:$LHS, node:$RHS),
273 [{return !N->hasAnyUseOfValue(1);}]>;
274 def sube_dead_carry :
275 PatFrag<(ops node:$LHS, node:$RHS), (sube node:$LHS, node:$RHS),
276 [{return !N->hasAnyUseOfValue(1);}]>;
277 def adde_live_carry :
278 PatFrag<(ops node:$LHS, node:$RHS), (adde node:$LHS, node:$RHS),
279 [{return N->hasAnyUseOfValue(1);}]>;
280 def sube_live_carry :
281 PatFrag<(ops node:$LHS, node:$RHS), (sube node:$LHS, node:$RHS),
282 [{return N->hasAnyUseOfValue(1);}]>;
284 // An 'and' node with a single use.
285 def and_su : PatFrag<(ops node:$lhs, node:$rhs), (and node:$lhs, node:$rhs), [{
286 return N->hasOneUse();
289 // An 'xor' node with a single use.
290 def xor_su : PatFrag<(ops node:$lhs, node:$rhs), (xor node:$lhs, node:$rhs), [{
291 return N->hasOneUse();
294 // An 'fmul' node with a single use.
295 def fmul_su : PatFrag<(ops node:$lhs, node:$rhs), (fmul node:$lhs, node:$rhs),[{
296 return N->hasOneUse();
299 // An 'fadd' node which checks for single non-hazardous use.
300 def fadd_mlx : PatFrag<(ops node:$lhs, node:$rhs),(fadd node:$lhs, node:$rhs),[{
301 return hasNoVMLxHazardUse(N);
304 // An 'fsub' node which checks for single non-hazardous use.
305 def fsub_mlx : PatFrag<(ops node:$lhs, node:$rhs),(fsub node:$lhs, node:$rhs),[{
306 return hasNoVMLxHazardUse(N);
309 //===----------------------------------------------------------------------===//
310 // Operand Definitions.
314 // FIXME: rename brtarget to t2_brtarget
315 def brtarget : Operand<OtherVT> {
316 let EncoderMethod = "getBranchTargetOpValue";
317 let OperandType = "OPERAND_PCREL";
320 // FIXME: get rid of this one?
321 def uncondbrtarget : Operand<OtherVT> {
322 let EncoderMethod = "getUnconditionalBranchTargetOpValue";
323 let OperandType = "OPERAND_PCREL";
326 // Branch target for ARM. Handles conditional/unconditional
327 def br_target : Operand<OtherVT> {
328 let EncoderMethod = "getARMBranchTargetOpValue";
329 let OperandType = "OPERAND_PCREL";
333 // FIXME: rename bltarget to t2_bl_target?
334 def bltarget : Operand<i32> {
335 // Encoded the same as branch targets.
336 let EncoderMethod = "getBranchTargetOpValue";
337 let OperandType = "OPERAND_PCREL";
340 // Call target for ARM. Handles conditional/unconditional
341 // FIXME: rename bl_target to t2_bltarget?
342 def bl_target : Operand<i32> {
343 // Encoded the same as branch targets.
344 let EncoderMethod = "getARMBranchTargetOpValue";
345 let OperandType = "OPERAND_PCREL";
349 // A list of registers separated by comma. Used by load/store multiple.
350 def RegListAsmOperand : AsmOperandClass { let Name = "RegList"; }
351 def reglist : Operand<i32> {
352 let EncoderMethod = "getRegisterListOpValue";
353 let ParserMatchClass = RegListAsmOperand;
354 let PrintMethod = "printRegisterList";
357 def DPRRegListAsmOperand : AsmOperandClass { let Name = "DPRRegList"; }
358 def dpr_reglist : Operand<i32> {
359 let EncoderMethod = "getRegisterListOpValue";
360 let ParserMatchClass = DPRRegListAsmOperand;
361 let PrintMethod = "printRegisterList";
364 def SPRRegListAsmOperand : AsmOperandClass { let Name = "SPRRegList"; }
365 def spr_reglist : Operand<i32> {
366 let EncoderMethod = "getRegisterListOpValue";
367 let ParserMatchClass = SPRRegListAsmOperand;
368 let PrintMethod = "printRegisterList";
371 // An operand for the CONSTPOOL_ENTRY pseudo-instruction.
372 def cpinst_operand : Operand<i32> {
373 let PrintMethod = "printCPInstOperand";
377 def pclabel : Operand<i32> {
378 let PrintMethod = "printPCLabel";
381 // ADR instruction labels.
382 def adrlabel : Operand<i32> {
383 let EncoderMethod = "getAdrLabelOpValue";
386 def neon_vcvt_imm32 : Operand<i32> {
387 let EncoderMethod = "getNEONVcvtImm32OpValue";
390 // rot_imm: An integer that encodes a rotate amount. Must be 8, 16, or 24.
391 def rot_imm : Operand<i32>, ImmLeaf<i32, [{
392 int32_t v = (int32_t)Imm;
393 return v == 8 || v == 16 || v == 24; }]> {
394 let EncoderMethod = "getRotImmOpValue";
398 // shift_imm: An integer that encodes a shift amount and the type of shift
399 // (currently either asr or lsl) using the same encoding used for the
400 // immediates in so_reg operands.
401 def ShifterAsmOperand : AsmOperandClass { let Name = "Shifter"; }
402 def shift_imm : Operand<i32> {
403 let PrintMethod = "printShiftImmOperand";
404 let ParserMatchClass = ShifterAsmOperand;
407 // shifter_operand operands: so_reg_reg, so_reg_imm, and so_imm.
408 def ShiftedRegAsmOperand : AsmOperandClass { let Name = "ShiftedReg"; }
409 def so_reg_reg : Operand<i32>, // reg reg imm
410 ComplexPattern<i32, 3, "SelectRegShifterOperand",
411 [shl, srl, sra, rotr]> {
412 let EncoderMethod = "getSORegRegOpValue";
413 let PrintMethod = "printSORegRegOperand";
414 let ParserMatchClass = ShiftedRegAsmOperand;
415 let MIOperandInfo = (ops GPR, GPR, shift_imm);
418 def ShiftedImmAsmOperand : AsmOperandClass { let Name = "ShiftedImm"; }
419 def so_reg_imm : Operand<i32>, // reg imm
420 ComplexPattern<i32, 2, "SelectImmShifterOperand",
421 [shl, srl, sra, rotr]> {
422 let EncoderMethod = "getSORegImmOpValue";
423 let PrintMethod = "printSORegImmOperand";
424 let ParserMatchClass = ShiftedImmAsmOperand;
425 let MIOperandInfo = (ops GPR, shift_imm);
428 // FIXME: Does this need to be distinct from so_reg?
429 def shift_so_reg_reg : Operand<i32>, // reg reg imm
430 ComplexPattern<i32, 3, "SelectShiftRegShifterOperand",
431 [shl,srl,sra,rotr]> {
432 let EncoderMethod = "getSORegRegOpValue";
433 let PrintMethod = "printSORegRegOperand";
434 let MIOperandInfo = (ops GPR, GPR, shift_imm);
437 // FIXME: Does this need to be distinct from so_reg?
438 def shift_so_reg_imm : Operand<i32>, // reg reg imm
439 ComplexPattern<i32, 2, "SelectShiftImmShifterOperand",
440 [shl,srl,sra,rotr]> {
441 let EncoderMethod = "getSORegImmOpValue";
442 let PrintMethod = "printSORegImmOperand";
443 let MIOperandInfo = (ops GPR, shift_imm);
447 // so_imm - Match a 32-bit shifter_operand immediate operand, which is an
448 // 8-bit immediate rotated by an arbitrary number of bits.
449 def SOImmAsmOperand: AsmOperandClass { let Name = "ARMSOImm"; }
450 def so_imm : Operand<i32>, ImmLeaf<i32, [{
451 return ARM_AM::getSOImmVal(Imm) != -1;
453 let EncoderMethod = "getSOImmOpValue";
454 let ParserMatchClass = SOImmAsmOperand;
457 // Break so_imm's up into two pieces. This handles immediates with up to 16
458 // bits set in them. This uses so_imm2part to match and so_imm2part_[12] to
459 // get the first/second pieces.
460 def so_imm2part : PatLeaf<(imm), [{
461 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
464 /// arm_i32imm - True for +V6T2, or true only if so_imm2part is true.
466 def arm_i32imm : PatLeaf<(imm), [{
467 if (Subtarget->hasV6T2Ops())
469 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
472 /// imm0_7 predicate - Immediate in the range [0,31].
473 def Imm0_7AsmOperand: AsmOperandClass { let Name = "Imm0_7"; }
474 def imm0_7 : Operand<i32>, ImmLeaf<i32, [{
475 return Imm >= 0 && Imm < 8;
477 let ParserMatchClass = Imm0_7AsmOperand;
480 /// imm0_15 predicate - Immediate in the range [0,31].
481 def Imm0_15AsmOperand: AsmOperandClass { let Name = "Imm0_15"; }
482 def imm0_15 : Operand<i32>, ImmLeaf<i32, [{
483 return Imm >= 0 && Imm < 16;
485 let ParserMatchClass = Imm0_15AsmOperand;
488 /// imm0_31 predicate - True if the 32-bit immediate is in the range [0,31].
489 def Imm0_31AsmOperand: AsmOperandClass { let Name = "Imm0_31"; }
490 def imm0_31 : Operand<i32>, ImmLeaf<i32, [{
491 return Imm >= 0 && Imm < 32;
494 /// imm0_31_m1 - Matches and prints like imm0_31, but encodes as 'value - 1'.
495 def imm0_31_m1 : Operand<i32>, ImmLeaf<i32, [{
496 return Imm >= 0 && Imm < 32;
498 let EncoderMethod = "getImmMinusOneOpValue";
501 // imm0_65535_expr - For movt/movw - 16-bit immediate that can also reference
502 // a relocatable expression.
504 // FIXME: This really needs a Thumb version separate from the ARM version.
505 // While the range is the same, and can thus use the same match class,
506 // the encoding is different so it should have a different encoder method.
507 def Imm0_65535ExprAsmOperand: AsmOperandClass { let Name = "Imm0_65535Expr"; }
508 def imm0_65535_expr : Operand<i32> {
509 let EncoderMethod = "getHiLo16ImmOpValue";
510 let ParserMatchClass = Imm0_65535ExprAsmOperand;
513 /// bf_inv_mask_imm predicate - An AND mask to clear an arbitrary width bitfield
515 def bf_inv_mask_imm : Operand<i32>,
517 return ARM::isBitFieldInvertedMask(N->getZExtValue());
519 let EncoderMethod = "getBitfieldInvertedMaskOpValue";
520 let PrintMethod = "printBitfieldInvMaskImmOperand";
523 /// lsb_pos_imm - position of the lsb bit, used by BFI4p and t2BFI4p
524 def lsb_pos_imm : Operand<i32>, ImmLeaf<i32, [{
525 return isInt<5>(Imm);
528 /// width_imm - number of bits to be copied, used by BFI4p and t2BFI4p
529 def width_imm : Operand<i32>, ImmLeaf<i32, [{
530 return Imm > 0 && Imm <= 32;
532 let EncoderMethod = "getMsbOpValue";
535 def imm1_32_XFORM: SDNodeXForm<imm, [{
536 return CurDAG->getTargetConstant((int)N->getZExtValue() - 1, MVT::i32);
538 def Imm1_32AsmOperand: AsmOperandClass { let Name = "Imm1_32"; }
539 def imm1_32 : Operand<i32>, PatLeaf<(imm), [{ return Imm > 0 && Imm <= 32; }],
541 let PrintMethod = "printImm1_32Operand";
542 let ParserMatchClass = Imm1_32AsmOperand;
545 // Define ARM specific addressing modes.
546 // addrmode_imm12 := reg +/- imm12
548 def addrmode_imm12 : Operand<i32>,
549 ComplexPattern<i32, 2, "SelectAddrModeImm12", []> {
550 // 12-bit immediate operand. Note that instructions using this encode
551 // #0 and #-0 differently. We flag #-0 as the magic value INT32_MIN. All other
552 // immediate values are as normal.
554 let EncoderMethod = "getAddrModeImm12OpValue";
555 let PrintMethod = "printAddrModeImm12Operand";
556 let MIOperandInfo = (ops GPR:$base, i32imm:$offsimm);
558 // ldst_so_reg := reg +/- reg shop imm
560 def ldst_so_reg : Operand<i32>,
561 ComplexPattern<i32, 3, "SelectLdStSOReg", []> {
562 let EncoderMethod = "getLdStSORegOpValue";
563 // FIXME: Simplify the printer
564 let PrintMethod = "printAddrMode2Operand";
565 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
568 // addrmode2 := reg +/- imm12
569 // := reg +/- reg shop imm
571 def MemMode2AsmOperand : AsmOperandClass {
572 let Name = "MemMode2";
573 let ParserMethod = "parseMemMode2Operand";
575 def addrmode2 : Operand<i32>,
576 ComplexPattern<i32, 3, "SelectAddrMode2", []> {
577 let EncoderMethod = "getAddrMode2OpValue";
578 let PrintMethod = "printAddrMode2Operand";
579 let ParserMatchClass = MemMode2AsmOperand;
580 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
583 def am2offset : Operand<i32>,
584 ComplexPattern<i32, 2, "SelectAddrMode2Offset",
585 [], [SDNPWantRoot]> {
586 let EncoderMethod = "getAddrMode2OffsetOpValue";
587 let PrintMethod = "printAddrMode2OffsetOperand";
588 let MIOperandInfo = (ops GPR, i32imm);
591 // addrmode3 := reg +/- reg
592 // addrmode3 := reg +/- imm8
594 def MemMode3AsmOperand : AsmOperandClass {
595 let Name = "MemMode3";
596 let ParserMethod = "parseMemMode3Operand";
598 def addrmode3 : Operand<i32>,
599 ComplexPattern<i32, 3, "SelectAddrMode3", []> {
600 let EncoderMethod = "getAddrMode3OpValue";
601 let PrintMethod = "printAddrMode3Operand";
602 let ParserMatchClass = MemMode3AsmOperand;
603 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
606 def am3offset : Operand<i32>,
607 ComplexPattern<i32, 2, "SelectAddrMode3Offset",
608 [], [SDNPWantRoot]> {
609 let EncoderMethod = "getAddrMode3OffsetOpValue";
610 let PrintMethod = "printAddrMode3OffsetOperand";
611 let MIOperandInfo = (ops GPR, i32imm);
614 // ldstm_mode := {ia, ib, da, db}
616 def ldstm_mode : OptionalDefOperand<OtherVT, (ops i32), (ops (i32 1))> {
617 let EncoderMethod = "getLdStmModeOpValue";
618 let PrintMethod = "printLdStmModeOperand";
621 // addrmode5 := reg +/- imm8*4
623 def MemMode5AsmOperand : AsmOperandClass { let Name = "MemMode5"; }
624 def addrmode5 : Operand<i32>,
625 ComplexPattern<i32, 2, "SelectAddrMode5", []> {
626 let PrintMethod = "printAddrMode5Operand";
627 let MIOperandInfo = (ops GPR:$base, i32imm);
628 let ParserMatchClass = MemMode5AsmOperand;
629 let EncoderMethod = "getAddrMode5OpValue";
632 // addrmode6 := reg with optional alignment
634 def addrmode6 : Operand<i32>,
635 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
636 let PrintMethod = "printAddrMode6Operand";
637 let MIOperandInfo = (ops GPR:$addr, i32imm);
638 let EncoderMethod = "getAddrMode6AddressOpValue";
641 def am6offset : Operand<i32>,
642 ComplexPattern<i32, 1, "SelectAddrMode6Offset",
643 [], [SDNPWantRoot]> {
644 let PrintMethod = "printAddrMode6OffsetOperand";
645 let MIOperandInfo = (ops GPR);
646 let EncoderMethod = "getAddrMode6OffsetOpValue";
649 // Special version of addrmode6 to handle alignment encoding for VST1/VLD1
650 // (single element from one lane) for size 32.
651 def addrmode6oneL32 : Operand<i32>,
652 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
653 let PrintMethod = "printAddrMode6Operand";
654 let MIOperandInfo = (ops GPR:$addr, i32imm);
655 let EncoderMethod = "getAddrMode6OneLane32AddressOpValue";
658 // Special version of addrmode6 to handle alignment encoding for VLD-dup
659 // instructions, specifically VLD4-dup.
660 def addrmode6dup : Operand<i32>,
661 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
662 let PrintMethod = "printAddrMode6Operand";
663 let MIOperandInfo = (ops GPR:$addr, i32imm);
664 let EncoderMethod = "getAddrMode6DupAddressOpValue";
667 // addrmodepc := pc + reg
669 def addrmodepc : Operand<i32>,
670 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
671 let PrintMethod = "printAddrModePCOperand";
672 let MIOperandInfo = (ops GPR, i32imm);
676 // Used by load/store exclusive instructions. Useful to enable right assembly
677 // parsing and printing. Not used for any codegen matching.
679 def MemMode7AsmOperand : AsmOperandClass { let Name = "MemMode7"; }
680 def addrmode7 : Operand<i32> {
681 let PrintMethod = "printAddrMode7Operand";
682 let MIOperandInfo = (ops GPR);
683 let ParserMatchClass = MemMode7AsmOperand;
686 def nohash_imm : Operand<i32> {
687 let PrintMethod = "printNoHashImmediate";
690 def CoprocNumAsmOperand : AsmOperandClass {
691 let Name = "CoprocNum";
692 let ParserMethod = "parseCoprocNumOperand";
694 def p_imm : Operand<i32> {
695 let PrintMethod = "printPImmediate";
696 let ParserMatchClass = CoprocNumAsmOperand;
699 def CoprocRegAsmOperand : AsmOperandClass {
700 let Name = "CoprocReg";
701 let ParserMethod = "parseCoprocRegOperand";
703 def c_imm : Operand<i32> {
704 let PrintMethod = "printCImmediate";
705 let ParserMatchClass = CoprocRegAsmOperand;
708 //===----------------------------------------------------------------------===//
710 include "ARMInstrFormats.td"
712 //===----------------------------------------------------------------------===//
713 // Multiclass helpers...
716 /// AsI1_bin_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns for a
717 /// binop that produces a value.
718 multiclass AsI1_bin_irs<bits<4> opcod, string opc,
719 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
720 PatFrag opnode, string baseOpc, bit Commutable = 0> {
721 // The register-immediate version is re-materializable. This is useful
722 // in particular for taking the address of a local.
723 let isReMaterializable = 1 in {
724 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
725 iii, opc, "\t$Rd, $Rn, $imm",
726 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]> {
731 let Inst{19-16} = Rn;
732 let Inst{15-12} = Rd;
733 let Inst{11-0} = imm;
736 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
737 iir, opc, "\t$Rd, $Rn, $Rm",
738 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
743 let isCommutable = Commutable;
744 let Inst{19-16} = Rn;
745 let Inst{15-12} = Rd;
746 let Inst{11-4} = 0b00000000;
750 def rsi : AsI1<opcod, (outs GPR:$Rd),
751 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm,
752 iis, opc, "\t$Rd, $Rn, $shift",
753 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_imm:$shift))]> {
758 let Inst{19-16} = Rn;
759 let Inst{15-12} = Rd;
760 let Inst{11-5} = shift{11-5};
762 let Inst{3-0} = shift{3-0};
765 def rsr : AsI1<opcod, (outs GPR:$Rd),
766 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm,
767 iis, opc, "\t$Rd, $Rn, $shift",
768 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_reg:$shift))]> {
773 let Inst{19-16} = Rn;
774 let Inst{15-12} = Rd;
775 let Inst{11-8} = shift{11-8};
777 let Inst{6-5} = shift{6-5};
779 let Inst{3-0} = shift{3-0};
782 // Assembly aliases for optional destination operand when it's the same
783 // as the source operand.
784 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $imm"),
785 (!cast<Instruction>(!strconcat(baseOpc, "ri")) GPR:$Rdn, GPR:$Rdn,
786 so_imm:$imm, pred:$p,
789 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $Rm"),
790 (!cast<Instruction>(!strconcat(baseOpc, "rr")) GPR:$Rdn, GPR:$Rdn,
794 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
795 (!cast<Instruction>(!strconcat(baseOpc, "rsi")) GPR:$Rdn, GPR:$Rdn,
796 so_reg_imm:$shift, pred:$p,
799 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
800 (!cast<Instruction>(!strconcat(baseOpc, "rsr")) GPR:$Rdn, GPR:$Rdn,
801 so_reg_reg:$shift, pred:$p,
807 /// AI1_bin_s_irs - Similar to AsI1_bin_irs except it sets the 's' bit so the
808 /// instruction modifies the CPSR register.
809 let isCodeGenOnly = 1, Defs = [CPSR] in {
810 multiclass AI1_bin_s_irs<bits<4> opcod, string opc,
811 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
812 PatFrag opnode, bit Commutable = 0> {
813 def ri : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
814 iii, opc, "\t$Rd, $Rn, $imm",
815 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]> {
821 let Inst{19-16} = Rn;
822 let Inst{15-12} = Rd;
823 let Inst{11-0} = imm;
825 def rr : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
826 iir, opc, "\t$Rd, $Rn, $Rm",
827 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
831 let isCommutable = Commutable;
834 let Inst{19-16} = Rn;
835 let Inst{15-12} = Rd;
836 let Inst{11-4} = 0b00000000;
839 def rsi : AI1<opcod, (outs GPR:$Rd),
840 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm,
841 iis, opc, "\t$Rd, $Rn, $shift",
842 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_imm:$shift))]> {
848 let Inst{19-16} = Rn;
849 let Inst{15-12} = Rd;
850 let Inst{11-5} = shift{11-5};
852 let Inst{3-0} = shift{3-0};
855 def rsr : AI1<opcod, (outs GPR:$Rd),
856 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm,
857 iis, opc, "\t$Rd, $Rn, $shift",
858 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_reg:$shift))]> {
864 let Inst{19-16} = Rn;
865 let Inst{15-12} = Rd;
866 let Inst{11-8} = shift{11-8};
868 let Inst{6-5} = shift{6-5};
870 let Inst{3-0} = shift{3-0};
875 /// AI1_cmp_irs - Defines a set of (op r, {so_imm|r|so_reg}) cmp / test
876 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
877 /// a explicit result, only implicitly set CPSR.
878 let isCompare = 1, Defs = [CPSR] in {
879 multiclass AI1_cmp_irs<bits<4> opcod, string opc,
880 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
881 PatFrag opnode, bit Commutable = 0> {
882 def ri : AI1<opcod, (outs), (ins GPR:$Rn, so_imm:$imm), DPFrm, iii,
884 [(opnode GPR:$Rn, so_imm:$imm)]> {
889 let Inst{19-16} = Rn;
890 let Inst{15-12} = 0b0000;
891 let Inst{11-0} = imm;
893 def rr : AI1<opcod, (outs), (ins GPR:$Rn, GPR:$Rm), DPFrm, iir,
895 [(opnode GPR:$Rn, GPR:$Rm)]> {
898 let isCommutable = Commutable;
901 let Inst{19-16} = Rn;
902 let Inst{15-12} = 0b0000;
903 let Inst{11-4} = 0b00000000;
906 def rsi : AI1<opcod, (outs),
907 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm, iis,
908 opc, "\t$Rn, $shift",
909 [(opnode GPR:$Rn, so_reg_imm:$shift)]> {
914 let Inst{19-16} = Rn;
915 let Inst{15-12} = 0b0000;
916 let Inst{11-5} = shift{11-5};
918 let Inst{3-0} = shift{3-0};
920 def rsr : AI1<opcod, (outs),
921 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm, iis,
922 opc, "\t$Rn, $shift",
923 [(opnode GPR:$Rn, so_reg_reg:$shift)]> {
928 let Inst{19-16} = Rn;
929 let Inst{15-12} = 0b0000;
930 let Inst{11-8} = shift{11-8};
932 let Inst{6-5} = shift{6-5};
934 let Inst{3-0} = shift{3-0};
940 /// AI_ext_rrot - A unary operation with two forms: one whose operand is a
941 /// register and one whose operand is a register rotated by 8/16/24.
942 /// FIXME: Remove the 'r' variant. Its rot_imm is zero.
943 multiclass AI_ext_rrot<bits<8> opcod, string opc, PatFrag opnode> {
944 def r : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm),
945 IIC_iEXTr, opc, "\t$Rd, $Rm",
946 [(set GPR:$Rd, (opnode GPR:$Rm))]>,
947 Requires<[IsARM, HasV6]> {
950 let Inst{19-16} = 0b1111;
951 let Inst{15-12} = Rd;
952 let Inst{11-10} = 0b00;
955 def r_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm, rot_imm:$rot),
956 IIC_iEXTr, opc, "\t$Rd, $Rm, ror $rot",
957 [(set GPR:$Rd, (opnode (rotr GPR:$Rm, rot_imm:$rot)))]>,
958 Requires<[IsARM, HasV6]> {
962 let Inst{19-16} = 0b1111;
963 let Inst{15-12} = Rd;
964 let Inst{11-10} = rot;
969 multiclass AI_ext_rrot_np<bits<8> opcod, string opc> {
970 def r : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm),
971 IIC_iEXTr, opc, "\t$Rd, $Rm",
972 [/* For disassembly only; pattern left blank */]>,
973 Requires<[IsARM, HasV6]> {
974 let Inst{19-16} = 0b1111;
975 let Inst{11-10} = 0b00;
977 def r_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm, rot_imm:$rot),
978 IIC_iEXTr, opc, "\t$Rd, $Rm, ror $rot",
979 [/* For disassembly only; pattern left blank */]>,
980 Requires<[IsARM, HasV6]> {
982 let Inst{19-16} = 0b1111;
983 let Inst{11-10} = rot;
987 /// AI_exta_rrot - A binary operation with two forms: one whose operand is a
988 /// register and one whose operand is a register rotated by 8/16/24.
989 multiclass AI_exta_rrot<bits<8> opcod, string opc, PatFrag opnode> {
990 def rr : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
991 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm",
992 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
993 Requires<[IsARM, HasV6]> {
997 let Inst{19-16} = Rn;
998 let Inst{15-12} = Rd;
999 let Inst{11-10} = 0b00;
1000 let Inst{9-4} = 0b000111;
1003 def rr_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
1005 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm, ror $rot",
1006 [(set GPR:$Rd, (opnode GPR:$Rn,
1007 (rotr GPR:$Rm, rot_imm:$rot)))]>,
1008 Requires<[IsARM, HasV6]> {
1013 let Inst{19-16} = Rn;
1014 let Inst{15-12} = Rd;
1015 let Inst{11-10} = rot;
1016 let Inst{9-4} = 0b000111;
1021 // For disassembly only.
1022 multiclass AI_exta_rrot_np<bits<8> opcod, string opc> {
1023 def rr : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
1024 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm",
1025 [/* For disassembly only; pattern left blank */]>,
1026 Requires<[IsARM, HasV6]> {
1027 let Inst{11-10} = 0b00;
1029 def rr_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
1031 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm, ror $rot",
1032 [/* For disassembly only; pattern left blank */]>,
1033 Requires<[IsARM, HasV6]> {
1036 let Inst{19-16} = Rn;
1037 let Inst{11-10} = rot;
1041 /// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
1042 multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode,
1043 string baseOpc, bit Commutable = 0> {
1044 let Uses = [CPSR] in {
1045 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
1046 DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
1047 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>,
1053 let Inst{15-12} = Rd;
1054 let Inst{19-16} = Rn;
1055 let Inst{11-0} = imm;
1057 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
1058 DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
1059 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
1064 let Inst{11-4} = 0b00000000;
1066 let isCommutable = Commutable;
1068 let Inst{15-12} = Rd;
1069 let Inst{19-16} = Rn;
1071 def rsi : AsI1<opcod, (outs GPR:$Rd),
1072 (ins GPR:$Rn, so_reg_imm:$shift),
1073 DPSoRegImmFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1074 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_imm:$shift))]>,
1080 let Inst{19-16} = Rn;
1081 let Inst{15-12} = Rd;
1082 let Inst{11-5} = shift{11-5};
1084 let Inst{3-0} = shift{3-0};
1086 def rsr : AsI1<opcod, (outs GPR:$Rd),
1087 (ins GPR:$Rn, so_reg_reg:$shift),
1088 DPSoRegRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1089 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_reg:$shift))]>,
1095 let Inst{19-16} = Rn;
1096 let Inst{15-12} = Rd;
1097 let Inst{11-8} = shift{11-8};
1099 let Inst{6-5} = shift{6-5};
1101 let Inst{3-0} = shift{3-0};
1104 // Assembly aliases for optional destination operand when it's the same
1105 // as the source operand.
1106 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $imm"),
1107 (!cast<Instruction>(!strconcat(baseOpc, "ri")) GPR:$Rdn, GPR:$Rdn,
1108 so_imm:$imm, pred:$p,
1111 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $Rm"),
1112 (!cast<Instruction>(!strconcat(baseOpc, "rr")) GPR:$Rdn, GPR:$Rdn,
1116 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
1117 (!cast<Instruction>(!strconcat(baseOpc, "rsi")) GPR:$Rdn, GPR:$Rdn,
1118 so_reg_imm:$shift, pred:$p,
1121 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
1122 (!cast<Instruction>(!strconcat(baseOpc, "rsr")) GPR:$Rdn, GPR:$Rdn,
1123 so_reg_reg:$shift, pred:$p,
1128 // Carry setting variants
1129 // NOTE: CPSR def omitted because it will be handled by the custom inserter.
1130 let usesCustomInserter = 1 in {
1131 multiclass AI1_adde_sube_s_irs<PatFrag opnode, bit Commutable = 0> {
1132 def ri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
1134 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>;
1135 def rr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
1137 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
1138 let isCommutable = Commutable;
1140 def rsi : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg_imm:$shift),
1142 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_imm:$shift))]>;
1143 def rsr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg_reg:$shift),
1145 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_reg:$shift))]>;
1149 let canFoldAsLoad = 1, isReMaterializable = 1 in {
1150 multiclass AI_ldr1<bit isByte, string opc, InstrItinClass iii,
1151 InstrItinClass iir, PatFrag opnode> {
1152 // Note: We use the complex addrmode_imm12 rather than just an input
1153 // GPR and a constrained immediate so that we can use this to match
1154 // frame index references and avoid matching constant pool references.
1155 def i12: AI2ldst<0b010, 1, isByte, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
1156 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
1157 [(set GPR:$Rt, (opnode addrmode_imm12:$addr))]> {
1160 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1161 let Inst{19-16} = addr{16-13}; // Rn
1162 let Inst{15-12} = Rt;
1163 let Inst{11-0} = addr{11-0}; // imm12
1165 def rs : AI2ldst<0b011, 1, isByte, (outs GPR:$Rt), (ins ldst_so_reg:$shift),
1166 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
1167 [(set GPR:$Rt, (opnode ldst_so_reg:$shift))]> {
1170 let shift{4} = 0; // Inst{4} = 0
1171 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1172 let Inst{19-16} = shift{16-13}; // Rn
1173 let Inst{15-12} = Rt;
1174 let Inst{11-0} = shift{11-0};
1179 multiclass AI_str1<bit isByte, string opc, InstrItinClass iii,
1180 InstrItinClass iir, PatFrag opnode> {
1181 // Note: We use the complex addrmode_imm12 rather than just an input
1182 // GPR and a constrained immediate so that we can use this to match
1183 // frame index references and avoid matching constant pool references.
1184 def i12 : AI2ldst<0b010, 0, isByte, (outs),
1185 (ins GPR:$Rt, addrmode_imm12:$addr),
1186 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
1187 [(opnode GPR:$Rt, addrmode_imm12:$addr)]> {
1190 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1191 let Inst{19-16} = addr{16-13}; // Rn
1192 let Inst{15-12} = Rt;
1193 let Inst{11-0} = addr{11-0}; // imm12
1195 def rs : AI2ldst<0b011, 0, isByte, (outs), (ins GPR:$Rt, ldst_so_reg:$shift),
1196 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
1197 [(opnode GPR:$Rt, ldst_so_reg:$shift)]> {
1200 let shift{4} = 0; // Inst{4} = 0
1201 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1202 let Inst{19-16} = shift{16-13}; // Rn
1203 let Inst{15-12} = Rt;
1204 let Inst{11-0} = shift{11-0};
1207 //===----------------------------------------------------------------------===//
1209 //===----------------------------------------------------------------------===//
1211 //===----------------------------------------------------------------------===//
1212 // Miscellaneous Instructions.
1215 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
1216 /// the function. The first operand is the ID# for this instruction, the second
1217 /// is the index into the MachineConstantPool that this is, the third is the
1218 /// size in bytes of this constant pool entry.
1219 let neverHasSideEffects = 1, isNotDuplicable = 1 in
1220 def CONSTPOOL_ENTRY :
1221 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
1222 i32imm:$size), NoItinerary, []>;
1224 // FIXME: Marking these as hasSideEffects is necessary to prevent machine DCE
1225 // from removing one half of the matched pairs. That breaks PEI, which assumes
1226 // these will always be in pairs, and asserts if it finds otherwise. Better way?
1227 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
1228 def ADJCALLSTACKUP :
1229 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary,
1230 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
1232 def ADJCALLSTACKDOWN :
1233 PseudoInst<(outs), (ins i32imm:$amt, pred:$p), NoItinerary,
1234 [(ARMcallseq_start timm:$amt)]>;
1237 def NOP : AI<(outs), (ins), MiscFrm, NoItinerary, "nop", "",
1238 [/* For disassembly only; pattern left blank */]>,
1239 Requires<[IsARM, HasV6T2]> {
1240 let Inst{27-16} = 0b001100100000;
1241 let Inst{15-8} = 0b11110000;
1242 let Inst{7-0} = 0b00000000;
1245 def YIELD : AI<(outs), (ins), MiscFrm, NoItinerary, "yield", "",
1246 [/* For disassembly only; pattern left blank */]>,
1247 Requires<[IsARM, HasV6T2]> {
1248 let Inst{27-16} = 0b001100100000;
1249 let Inst{15-8} = 0b11110000;
1250 let Inst{7-0} = 0b00000001;
1253 def WFE : AI<(outs), (ins), MiscFrm, NoItinerary, "wfe", "",
1254 [/* For disassembly only; pattern left blank */]>,
1255 Requires<[IsARM, HasV6T2]> {
1256 let Inst{27-16} = 0b001100100000;
1257 let Inst{15-8} = 0b11110000;
1258 let Inst{7-0} = 0b00000010;
1261 def WFI : AI<(outs), (ins), MiscFrm, NoItinerary, "wfi", "",
1262 [/* For disassembly only; pattern left blank */]>,
1263 Requires<[IsARM, HasV6T2]> {
1264 let Inst{27-16} = 0b001100100000;
1265 let Inst{15-8} = 0b11110000;
1266 let Inst{7-0} = 0b00000011;
1269 def SEL : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm, NoItinerary, "sel",
1270 "\t$dst, $a, $b", []>, Requires<[IsARM, HasV6]> {
1275 let Inst{15-12} = Rd;
1276 let Inst{19-16} = Rn;
1277 let Inst{27-20} = 0b01101000;
1278 let Inst{7-4} = 0b1011;
1279 let Inst{11-8} = 0b1111;
1282 def SEV : AI<(outs), (ins), MiscFrm, NoItinerary, "sev", "",
1283 []>, Requires<[IsARM, HasV6T2]> {
1284 let Inst{27-16} = 0b001100100000;
1285 let Inst{15-8} = 0b11110000;
1286 let Inst{7-0} = 0b00000100;
1289 // The i32imm operand $val can be used by a debugger to store more information
1290 // about the breakpoint.
1291 def BKPT : AI<(outs), (ins imm0_65535:$val), MiscFrm, NoItinerary,
1292 "bkpt", "\t$val", []>, Requires<[IsARM]> {
1294 let Inst{3-0} = val{3-0};
1295 let Inst{19-8} = val{15-4};
1296 let Inst{27-20} = 0b00010010;
1297 let Inst{7-4} = 0b0111;
1300 // Change Processor State is a system instruction -- for disassembly and
1302 // FIXME: Since the asm parser has currently no clean way to handle optional
1303 // operands, create 3 versions of the same instruction. Once there's a clean
1304 // framework to represent optional operands, change this behavior.
1305 class CPS<dag iops, string asm_ops>
1306 : AXI<(outs), iops, MiscFrm, NoItinerary, !strconcat("cps", asm_ops),
1307 [/* For disassembly only; pattern left blank */]>, Requires<[IsARM]> {
1313 let Inst{31-28} = 0b1111;
1314 let Inst{27-20} = 0b00010000;
1315 let Inst{19-18} = imod;
1316 let Inst{17} = M; // Enabled if mode is set;
1318 let Inst{8-6} = iflags;
1320 let Inst{4-0} = mode;
1324 def CPS3p : CPS<(ins imod_op:$imod, iflags_op:$iflags, i32imm:$mode),
1325 "$imod\t$iflags, $mode">;
1326 let mode = 0, M = 0 in
1327 def CPS2p : CPS<(ins imod_op:$imod, iflags_op:$iflags), "$imod\t$iflags">;
1329 let imod = 0, iflags = 0, M = 1 in
1330 def CPS1p : CPS<(ins i32imm:$mode), "\t$mode">;
1332 // Preload signals the memory system of possible future data/instruction access.
1333 // These are for disassembly only.
1334 multiclass APreLoad<bits<1> read, bits<1> data, string opc> {
1336 def i12 : AXI<(outs), (ins addrmode_imm12:$addr), MiscFrm, IIC_Preload,
1337 !strconcat(opc, "\t$addr"),
1338 [(ARMPreload addrmode_imm12:$addr, (i32 read), (i32 data))]> {
1341 let Inst{31-26} = 0b111101;
1342 let Inst{25} = 0; // 0 for immediate form
1343 let Inst{24} = data;
1344 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1345 let Inst{22} = read;
1346 let Inst{21-20} = 0b01;
1347 let Inst{19-16} = addr{16-13}; // Rn
1348 let Inst{15-12} = 0b1111;
1349 let Inst{11-0} = addr{11-0}; // imm12
1352 def rs : AXI<(outs), (ins ldst_so_reg:$shift), MiscFrm, IIC_Preload,
1353 !strconcat(opc, "\t$shift"),
1354 [(ARMPreload ldst_so_reg:$shift, (i32 read), (i32 data))]> {
1356 let Inst{31-26} = 0b111101;
1357 let Inst{25} = 1; // 1 for register form
1358 let Inst{24} = data;
1359 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1360 let Inst{22} = read;
1361 let Inst{21-20} = 0b01;
1362 let Inst{19-16} = shift{16-13}; // Rn
1363 let Inst{15-12} = 0b1111;
1364 let Inst{11-0} = shift{11-0};
1368 defm PLD : APreLoad<1, 1, "pld">, Requires<[IsARM]>;
1369 defm PLDW : APreLoad<0, 1, "pldw">, Requires<[IsARM,HasV7,HasMP]>;
1370 defm PLI : APreLoad<1, 0, "pli">, Requires<[IsARM,HasV7]>;
1372 def SETEND : AXI<(outs), (ins setend_op:$end), MiscFrm, NoItinerary,
1373 "setend\t$end", []>, Requires<[IsARM]> {
1375 let Inst{31-10} = 0b1111000100000001000000;
1380 def DBG : AI<(outs), (ins imm0_15:$opt), MiscFrm, NoItinerary, "dbg", "\t$opt",
1381 []>, Requires<[IsARM, HasV7]> {
1383 let Inst{27-4} = 0b001100100000111100001111;
1384 let Inst{3-0} = opt;
1387 // A5.4 Permanently UNDEFINED instructions.
1388 let isBarrier = 1, isTerminator = 1 in
1389 def TRAP : AXI<(outs), (ins), MiscFrm, NoItinerary,
1392 let Inst = 0xe7ffdefe;
1395 // Address computation and loads and stores in PIC mode.
1396 let isNotDuplicable = 1 in {
1397 def PICADD : ARMPseudoInst<(outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
1399 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
1401 let AddedComplexity = 10 in {
1402 def PICLDR : ARMPseudoInst<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
1404 [(set GPR:$dst, (load addrmodepc:$addr))]>;
1406 def PICLDRH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1408 [(set GPR:$Rt, (zextloadi16 addrmodepc:$addr))]>;
1410 def PICLDRB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1412 [(set GPR:$Rt, (zextloadi8 addrmodepc:$addr))]>;
1414 def PICLDRSH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1416 [(set GPR:$Rt, (sextloadi16 addrmodepc:$addr))]>;
1418 def PICLDRSB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1420 [(set GPR:$Rt, (sextloadi8 addrmodepc:$addr))]>;
1422 let AddedComplexity = 10 in {
1423 def PICSTR : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1424 4, IIC_iStore_r, [(store GPR:$src, addrmodepc:$addr)]>;
1426 def PICSTRH : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1427 4, IIC_iStore_bh_r, [(truncstorei16 GPR:$src,
1428 addrmodepc:$addr)]>;
1430 def PICSTRB : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1431 4, IIC_iStore_bh_r, [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
1433 } // isNotDuplicable = 1
1436 // LEApcrel - Load a pc-relative address into a register without offending the
1438 let neverHasSideEffects = 1, isReMaterializable = 1 in
1439 // The 'adr' mnemonic encodes differently if the label is before or after
1440 // the instruction. The {24-21} opcode bits are set by the fixup, as we don't
1441 // know until then which form of the instruction will be used.
1442 def ADR : AI1<{0,?,?,0}, (outs GPR:$Rd), (ins adrlabel:$label),
1443 MiscFrm, IIC_iALUi, "adr", "\t$Rd, #$label", []> {
1446 let Inst{27-25} = 0b001;
1448 let Inst{19-16} = 0b1111;
1449 let Inst{15-12} = Rd;
1450 let Inst{11-0} = label;
1452 def LEApcrel : ARMPseudoInst<(outs GPR:$Rd), (ins i32imm:$label, pred:$p),
1455 def LEApcrelJT : ARMPseudoInst<(outs GPR:$Rd),
1456 (ins i32imm:$label, nohash_imm:$id, pred:$p),
1459 //===----------------------------------------------------------------------===//
1460 // Control Flow Instructions.
1463 let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
1465 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1466 "bx", "\tlr", [(ARMretflag)]>,
1467 Requires<[IsARM, HasV4T]> {
1468 let Inst{27-0} = 0b0001001011111111111100011110;
1472 def MOVPCLR : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1473 "mov", "\tpc, lr", [(ARMretflag)]>,
1474 Requires<[IsARM, NoV4T]> {
1475 let Inst{27-0} = 0b0001101000001111000000001110;
1479 // Indirect branches
1480 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
1482 def BX : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
1483 [(brind GPR:$dst)]>,
1484 Requires<[IsARM, HasV4T]> {
1486 let Inst{31-4} = 0b1110000100101111111111110001;
1487 let Inst{3-0} = dst;
1490 def BX_pred : AI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br,
1491 "bx", "\t$dst", [/* pattern left blank */]>,
1492 Requires<[IsARM, HasV4T]> {
1494 let Inst{27-4} = 0b000100101111111111110001;
1495 let Inst{3-0} = dst;
1499 // All calls clobber the non-callee saved registers. SP is marked as
1500 // a use to prevent stack-pointer assignments that appear immediately
1501 // before calls from potentially appearing dead.
1503 // On non-Darwin platforms R9 is callee-saved.
1504 // FIXME: Do we really need a non-predicated version? If so, it should
1505 // at least be a pseudo instruction expanding to the predicated version
1506 // at MC lowering time.
1507 Defs = [R0, R1, R2, R3, R12, LR, QQQQ0, QQQQ2, QQQQ3, CPSR, FPSCR],
1509 def BL : ABXI<0b1011, (outs), (ins bl_target:$func, variable_ops),
1510 IIC_Br, "bl\t$func",
1511 [(ARMcall tglobaladdr:$func)]>,
1512 Requires<[IsARM, IsNotDarwin]> {
1513 let Inst{31-28} = 0b1110;
1515 let Inst{23-0} = func;
1518 def BL_pred : ABI<0b1011, (outs), (ins bl_target:$func, variable_ops),
1519 IIC_Br, "bl", "\t$func",
1520 [(ARMcall_pred tglobaladdr:$func)]>,
1521 Requires<[IsARM, IsNotDarwin]> {
1523 let Inst{23-0} = func;
1527 def BLX : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1528 IIC_Br, "blx\t$func",
1529 [(ARMcall GPR:$func)]>,
1530 Requires<[IsARM, HasV5T, IsNotDarwin]> {
1532 let Inst{31-4} = 0b1110000100101111111111110011;
1533 let Inst{3-0} = func;
1536 def BLX_pred : AI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1537 IIC_Br, "blx", "\t$func",
1538 [(ARMcall_pred GPR:$func)]>,
1539 Requires<[IsARM, HasV5T, IsNotDarwin]> {
1541 let Inst{27-4} = 0b000100101111111111110011;
1542 let Inst{3-0} = func;
1546 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1547 def BX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1548 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1549 Requires<[IsARM, HasV4T, IsNotDarwin]>;
1552 def BMOVPCRX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1553 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1554 Requires<[IsARM, NoV4T, IsNotDarwin]>;
1558 // On Darwin R9 is call-clobbered.
1559 // R7 is marked as a use to prevent frame-pointer assignments from being
1560 // moved above / below calls.
1561 Defs = [R0, R1, R2, R3, R9, R12, LR, QQQQ0, QQQQ2, QQQQ3, CPSR, FPSCR],
1562 Uses = [R7, SP] in {
1563 def BLr9 : ARMPseudoExpand<(outs), (ins bl_target:$func, variable_ops),
1565 [(ARMcall tglobaladdr:$func)], (BL bl_target:$func)>,
1566 Requires<[IsARM, IsDarwin]>;
1568 def BLr9_pred : ARMPseudoExpand<(outs),
1569 (ins bl_target:$func, pred:$p, variable_ops),
1571 [(ARMcall_pred tglobaladdr:$func)],
1572 (BL_pred bl_target:$func, pred:$p)>,
1573 Requires<[IsARM, IsDarwin]>;
1576 def BLXr9 : ARMPseudoExpand<(outs), (ins GPR:$func, variable_ops),
1578 [(ARMcall GPR:$func)],
1580 Requires<[IsARM, HasV5T, IsDarwin]>;
1582 def BLXr9_pred: ARMPseudoExpand<(outs), (ins GPR:$func, pred:$p,variable_ops),
1584 [(ARMcall_pred GPR:$func)],
1585 (BLX_pred GPR:$func, pred:$p)>,
1586 Requires<[IsARM, HasV5T, IsDarwin]>;
1589 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1590 def BXr9_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1591 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1592 Requires<[IsARM, HasV4T, IsDarwin]>;
1595 def BMOVPCRXr9_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1596 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1597 Requires<[IsARM, NoV4T, IsDarwin]>;
1600 let isBranch = 1, isTerminator = 1 in {
1601 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
1602 // a two-value operand where a dag node expects two operands. :(
1603 def Bcc : ABI<0b1010, (outs), (ins br_target:$target),
1604 IIC_Br, "b", "\t$target",
1605 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]> {
1607 let Inst{23-0} = target;
1610 let isBarrier = 1 in {
1611 // B is "predicable" since it's just a Bcc with an 'always' condition.
1612 let isPredicable = 1 in
1613 // FIXME: We shouldn't need this pseudo at all. Just using Bcc directly
1614 // should be sufficient.
1615 // FIXME: Is B really a Barrier? That doesn't seem right.
1616 def B : ARMPseudoExpand<(outs), (ins br_target:$target), 4, IIC_Br,
1617 [(br bb:$target)], (Bcc br_target:$target, (ops 14, zero_reg))>;
1619 let isNotDuplicable = 1, isIndirectBranch = 1 in {
1620 def BR_JTr : ARMPseudoInst<(outs),
1621 (ins GPR:$target, i32imm:$jt, i32imm:$id),
1623 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]>;
1624 // FIXME: This shouldn't use the generic "addrmode2," but rather be split
1625 // into i12 and rs suffixed versions.
1626 def BR_JTm : ARMPseudoInst<(outs),
1627 (ins addrmode2:$target, i32imm:$jt, i32imm:$id),
1629 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
1631 def BR_JTadd : ARMPseudoInst<(outs),
1632 (ins GPR:$target, GPR:$idx, i32imm:$jt, i32imm:$id),
1634 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
1636 } // isNotDuplicable = 1, isIndirectBranch = 1
1641 // BLX (immediate) -- for disassembly only
1642 def BLXi : AXI<(outs), (ins br_target:$target), BrMiscFrm, NoItinerary,
1643 "blx\t$target", [/* pattern left blank */]>,
1644 Requires<[IsARM, HasV5T]> {
1645 let Inst{31-25} = 0b1111101;
1647 let Inst{23-0} = target{24-1};
1648 let Inst{24} = target{0};
1651 // Branch and Exchange Jazelle
1652 def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
1653 [/* pattern left blank */]> {
1655 let Inst{23-20} = 0b0010;
1656 let Inst{19-8} = 0xfff;
1657 let Inst{7-4} = 0b0010;
1658 let Inst{3-0} = func;
1663 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in {
1665 let Defs = [R0, R1, R2, R3, R9, R12, QQQQ0, QQQQ2, QQQQ3, PC],
1667 def TCRETURNdi : PseudoInst<(outs), (ins i32imm:$dst, variable_ops),
1668 IIC_Br, []>, Requires<[IsDarwin]>;
1670 def TCRETURNri : PseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
1671 IIC_Br, []>, Requires<[IsDarwin]>;
1673 def TAILJMPd : ARMPseudoExpand<(outs), (ins br_target:$dst, variable_ops),
1675 (Bcc br_target:$dst, (ops 14, zero_reg))>,
1676 Requires<[IsARM, IsDarwin]>;
1678 def TAILJMPr : ARMPseudoExpand<(outs), (ins tcGPR:$dst, variable_ops),
1681 Requires<[IsARM, IsDarwin]>;
1685 // Non-Darwin versions (the difference is R9).
1686 let Defs = [R0, R1, R2, R3, R12, QQQQ0, QQQQ2, QQQQ3, PC],
1688 def TCRETURNdiND : PseudoInst<(outs), (ins i32imm:$dst, variable_ops),
1689 IIC_Br, []>, Requires<[IsNotDarwin]>;
1691 def TCRETURNriND : PseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
1692 IIC_Br, []>, Requires<[IsNotDarwin]>;
1694 def TAILJMPdND : ARMPseudoExpand<(outs), (ins brtarget:$dst, variable_ops),
1696 (Bcc br_target:$dst, (ops 14, zero_reg))>,
1697 Requires<[IsARM, IsNotDarwin]>;
1699 def TAILJMPrND : ARMPseudoExpand<(outs), (ins tcGPR:$dst, variable_ops),
1702 Requires<[IsARM, IsNotDarwin]>;
1710 // Secure Monitor Call is a system instruction -- for disassembly only
1711 def SMC : ABI<0b0001, (outs), (ins imm0_15:$opt), NoItinerary, "smc", "\t$opt",
1714 let Inst{23-4} = 0b01100000000000000111;
1715 let Inst{3-0} = opt;
1718 // Supervisor Call (Software Interrupt) -- for disassembly only
1719 let isCall = 1, Uses = [SP] in {
1720 def SVC : ABI<0b1111, (outs), (ins i32imm:$svc), IIC_Br, "svc", "\t$svc",
1721 [/* For disassembly only; pattern left blank */]> {
1723 let Inst{23-0} = svc;
1727 // Store Return State is a system instruction -- for disassembly only
1728 let isCodeGenOnly = 1 in { // FIXME: This should not use submode!
1729 def SRSW : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, i32imm:$mode),
1730 NoItinerary, "srs${amode}\tsp!, $mode",
1731 [/* For disassembly only; pattern left blank */]> {
1732 let Inst{31-28} = 0b1111;
1733 let Inst{22-20} = 0b110; // W = 1
1734 let Inst{19-8} = 0xd05;
1735 let Inst{7-5} = 0b000;
1738 def SRS : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, i32imm:$mode),
1739 NoItinerary, "srs${amode}\tsp, $mode",
1740 [/* For disassembly only; pattern left blank */]> {
1741 let Inst{31-28} = 0b1111;
1742 let Inst{22-20} = 0b100; // W = 0
1743 let Inst{19-8} = 0xd05;
1744 let Inst{7-5} = 0b000;
1747 // Return From Exception is a system instruction -- for disassembly only
1748 def RFEW : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, GPR:$base),
1749 NoItinerary, "rfe${amode}\t$base!",
1750 [/* For disassembly only; pattern left blank */]> {
1751 let Inst{31-28} = 0b1111;
1752 let Inst{22-20} = 0b011; // W = 1
1753 let Inst{15-0} = 0x0a00;
1756 def RFE : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, GPR:$base),
1757 NoItinerary, "rfe${amode}\t$base",
1758 [/* For disassembly only; pattern left blank */]> {
1759 let Inst{31-28} = 0b1111;
1760 let Inst{22-20} = 0b001; // W = 0
1761 let Inst{15-0} = 0x0a00;
1763 } // isCodeGenOnly = 1
1765 //===----------------------------------------------------------------------===//
1766 // Load / store Instructions.
1772 defm LDR : AI_ldr1<0, "ldr", IIC_iLoad_r, IIC_iLoad_si,
1773 UnOpFrag<(load node:$Src)>>;
1774 defm LDRB : AI_ldr1<1, "ldrb", IIC_iLoad_bh_r, IIC_iLoad_bh_si,
1775 UnOpFrag<(zextloadi8 node:$Src)>>;
1776 defm STR : AI_str1<0, "str", IIC_iStore_r, IIC_iStore_si,
1777 BinOpFrag<(store node:$LHS, node:$RHS)>>;
1778 defm STRB : AI_str1<1, "strb", IIC_iStore_bh_r, IIC_iStore_bh_si,
1779 BinOpFrag<(truncstorei8 node:$LHS, node:$RHS)>>;
1781 // Special LDR for loads from non-pc-relative constpools.
1782 let canFoldAsLoad = 1, mayLoad = 1, neverHasSideEffects = 1,
1783 isReMaterializable = 1 in
1784 def LDRcp : AI2ldst<0b010, 1, 0, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
1785 AddrMode_i12, LdFrm, IIC_iLoad_r, "ldr", "\t$Rt, $addr",
1789 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1790 let Inst{19-16} = 0b1111;
1791 let Inst{15-12} = Rt;
1792 let Inst{11-0} = addr{11-0}; // imm12
1795 // Loads with zero extension
1796 def LDRH : AI3ld<0b1011, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1797 IIC_iLoad_bh_r, "ldrh", "\t$Rt, $addr",
1798 [(set GPR:$Rt, (zextloadi16 addrmode3:$addr))]>;
1800 // Loads with sign extension
1801 def LDRSH : AI3ld<0b1111, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1802 IIC_iLoad_bh_r, "ldrsh", "\t$Rt, $addr",
1803 [(set GPR:$Rt, (sextloadi16 addrmode3:$addr))]>;
1805 def LDRSB : AI3ld<0b1101, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1806 IIC_iLoad_bh_r, "ldrsb", "\t$Rt, $addr",
1807 [(set GPR:$Rt, (sextloadi8 addrmode3:$addr))]>;
1809 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1 in {
1811 def LDRD : AI3ld<0b1101, 0, (outs GPR:$Rd, GPR:$dst2),
1812 (ins addrmode3:$addr), LdMiscFrm,
1813 IIC_iLoad_d_r, "ldrd", "\t$Rd, $dst2, $addr",
1814 []>, Requires<[IsARM, HasV5TE]>;
1818 multiclass AI2_ldridx<bit isByte, string opc, InstrItinClass itin> {
1819 def _PRE : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb),
1820 (ins addrmode2:$addr), IndexModePre, LdFrm, itin,
1821 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
1823 // {13} 1 == Rm, 0 == imm12
1827 let Inst{25} = addr{13};
1828 let Inst{23} = addr{12};
1829 let Inst{19-16} = addr{17-14};
1830 let Inst{11-0} = addr{11-0};
1831 let AsmMatchConverter = "CvtLdWriteBackRegAddrMode2";
1833 def _POST : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
1834 (ins GPR:$Rn, am2offset:$offset),
1835 IndexModePost, LdFrm, itin,
1836 opc, "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb", []> {
1837 // {13} 1 == Rm, 0 == imm12
1842 let Inst{25} = offset{13};
1843 let Inst{23} = offset{12};
1844 let Inst{19-16} = Rn;
1845 let Inst{11-0} = offset{11-0};
1849 let mayLoad = 1, neverHasSideEffects = 1 in {
1850 defm LDR : AI2_ldridx<0, "ldr", IIC_iLoad_ru>;
1851 defm LDRB : AI2_ldridx<1, "ldrb", IIC_iLoad_bh_ru>;
1854 multiclass AI3_ldridx<bits<4> op, bit op20, string opc, InstrItinClass itin> {
1855 def _PRE : AI3ldstidx<op, op20, 1, 1, (outs GPR:$Rt, GPR:$Rn_wb),
1856 (ins addrmode3:$addr), IndexModePre,
1858 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
1860 let Inst{23} = addr{8}; // U bit
1861 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
1862 let Inst{19-16} = addr{12-9}; // Rn
1863 let Inst{11-8} = addr{7-4}; // imm7_4/zero
1864 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
1866 def _POST : AI3ldstidx<op, op20, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
1867 (ins GPR:$Rn, am3offset:$offset), IndexModePost,
1869 opc, "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb", []> {
1872 let Inst{23} = offset{8}; // U bit
1873 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
1874 let Inst{19-16} = Rn;
1875 let Inst{11-8} = offset{7-4}; // imm7_4/zero
1876 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
1880 let mayLoad = 1, neverHasSideEffects = 1 in {
1881 defm LDRH : AI3_ldridx<0b1011, 1, "ldrh", IIC_iLoad_bh_ru>;
1882 defm LDRSH : AI3_ldridx<0b1111, 1, "ldrsh", IIC_iLoad_bh_ru>;
1883 defm LDRSB : AI3_ldridx<0b1101, 1, "ldrsb", IIC_iLoad_bh_ru>;
1884 let hasExtraDefRegAllocReq = 1 in {
1885 def LDRD_PRE : AI3ldstidx<0b1101, 0, 1, 1, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
1886 (ins addrmode3:$addr), IndexModePre,
1887 LdMiscFrm, IIC_iLoad_d_ru,
1888 "ldrd", "\t$Rt, $Rt2, $addr!",
1889 "$addr.base = $Rn_wb", []> {
1891 let Inst{23} = addr{8}; // U bit
1892 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
1893 let Inst{19-16} = addr{12-9}; // Rn
1894 let Inst{11-8} = addr{7-4}; // imm7_4/zero
1895 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
1897 def LDRD_POST: AI3ldstidx<0b1101, 0, 1, 0, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
1898 (ins GPR:$Rn, am3offset:$offset), IndexModePost,
1899 LdMiscFrm, IIC_iLoad_d_ru,
1900 "ldrd", "\t$Rt, $Rt2, [$Rn], $offset",
1901 "$Rn = $Rn_wb", []> {
1904 let Inst{23} = offset{8}; // U bit
1905 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
1906 let Inst{19-16} = Rn;
1907 let Inst{11-8} = offset{7-4}; // imm7_4/zero
1908 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
1910 } // hasExtraDefRegAllocReq = 1
1911 } // mayLoad = 1, neverHasSideEffects = 1
1913 // LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT are for disassembly only.
1914 let mayLoad = 1, neverHasSideEffects = 1 in {
1915 def LDRT : AI2ldstidx<1, 0, 0, (outs GPR:$Rt, GPR:$base_wb),
1916 (ins addrmode2:$addr), IndexModePost, LdFrm, IIC_iLoad_ru,
1917 "ldrt", "\t$Rt, $addr", "$addr.base = $base_wb", []> {
1919 // {13} 1 == Rm, 0 == imm12
1923 let Inst{25} = addr{13};
1924 let Inst{23} = addr{12};
1925 let Inst{21} = 1; // overwrite
1926 let Inst{19-16} = addr{17-14};
1927 let Inst{11-0} = addr{11-0};
1928 let AsmMatchConverter = "CvtLdWriteBackRegAddrMode2";
1930 def LDRBT : AI2ldstidx<1, 1, 0, (outs GPR:$Rt, GPR:$base_wb),
1931 (ins addrmode2:$addr), IndexModePost, LdFrm, IIC_iLoad_bh_ru,
1932 "ldrbt", "\t$Rt, $addr", "$addr.base = $base_wb", []> {
1934 // {13} 1 == Rm, 0 == imm12
1938 let Inst{25} = addr{13};
1939 let Inst{23} = addr{12};
1940 let Inst{21} = 1; // overwrite
1941 let Inst{19-16} = addr{17-14};
1942 let Inst{11-0} = addr{11-0};
1943 let AsmMatchConverter = "CvtLdWriteBackRegAddrMode2";
1945 def LDRSBT : AI3ldstidxT<0b1101, 1, 1, 0, (outs GPR:$Rt, GPR:$base_wb),
1946 (ins addrmode3:$addr), IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru,
1947 "ldrsbt", "\t$Rt, $addr", "$addr.base = $base_wb", []> {
1948 let Inst{21} = 1; // overwrite
1950 def LDRHT : AI3ldstidxT<0b1011, 1, 1, 0, (outs GPR:$Rt, GPR:$base_wb),
1951 (ins addrmode3:$addr), IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru,
1952 "ldrht", "\t$Rt, $addr", "$addr.base = $base_wb", []> {
1953 let Inst{21} = 1; // overwrite
1955 def LDRSHT : AI3ldstidxT<0b1111, 1, 1, 0, (outs GPR:$Rt, GPR:$base_wb),
1956 (ins addrmode3:$addr), IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru,
1957 "ldrsht", "\t$Rt, $addr", "$addr.base = $base_wb", []> {
1958 let Inst{21} = 1; // overwrite
1964 // Stores with truncate
1965 def STRH : AI3str<0b1011, (outs), (ins GPR:$Rt, addrmode3:$addr), StMiscFrm,
1966 IIC_iStore_bh_r, "strh", "\t$Rt, $addr",
1967 [(truncstorei16 GPR:$Rt, addrmode3:$addr)]>;
1970 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in
1971 def STRD : AI3str<0b1111, (outs), (ins GPR:$Rt, GPR:$src2, addrmode3:$addr),
1972 StMiscFrm, IIC_iStore_d_r,
1973 "strd", "\t$Rt, $src2, $addr", []>, Requires<[IsARM, HasV5TE]>;
1976 def STR_PRE : AI2stridx<0, 1, (outs GPR:$Rn_wb),
1977 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1978 IndexModePre, StFrm, IIC_iStore_ru,
1979 "str", "\t$Rt, [$Rn, $offset]!",
1980 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
1982 (pre_store GPR:$Rt, GPR:$Rn, am2offset:$offset))]>;
1984 def STR_POST : AI2stridx<0, 0, (outs GPR:$Rn_wb),
1985 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1986 IndexModePost, StFrm, IIC_iStore_ru,
1987 "str", "\t$Rt, [$Rn], $offset",
1988 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
1990 (post_store GPR:$Rt, GPR:$Rn, am2offset:$offset))]>;
1992 def STRB_PRE : AI2stridx<1, 1, (outs GPR:$Rn_wb),
1993 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1994 IndexModePre, StFrm, IIC_iStore_bh_ru,
1995 "strb", "\t$Rt, [$Rn, $offset]!",
1996 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
1997 [(set GPR:$Rn_wb, (pre_truncsti8 GPR:$Rt,
1998 GPR:$Rn, am2offset:$offset))]>;
1999 def STRB_POST: AI2stridx<1, 0, (outs GPR:$Rn_wb),
2000 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
2001 IndexModePost, StFrm, IIC_iStore_bh_ru,
2002 "strb", "\t$Rt, [$Rn], $offset",
2003 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
2004 [(set GPR:$Rn_wb, (post_truncsti8 GPR:$Rt,
2005 GPR:$Rn, am2offset:$offset))]>;
2007 def STRH_PRE : AI3stridx<0b1011, 0, 1, (outs GPR:$Rn_wb),
2008 (ins GPR:$Rt, GPR:$Rn, am3offset:$offset),
2009 IndexModePre, StMiscFrm, IIC_iStore_ru,
2010 "strh", "\t$Rt, [$Rn, $offset]!",
2011 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
2013 (pre_truncsti16 GPR:$Rt, GPR:$Rn, am3offset:$offset))]>;
2015 def STRH_POST: AI3stridx<0b1011, 0, 0, (outs GPR:$Rn_wb),
2016 (ins GPR:$Rt, GPR:$Rn, am3offset:$offset),
2017 IndexModePost, StMiscFrm, IIC_iStore_bh_ru,
2018 "strh", "\t$Rt, [$Rn], $offset",
2019 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
2020 [(set GPR:$Rn_wb, (post_truncsti16 GPR:$Rt,
2021 GPR:$Rn, am3offset:$offset))]>;
2023 // For disassembly only
2024 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in {
2025 def STRD_PRE : AI3stdpr<(outs GPR:$base_wb),
2026 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
2027 StMiscFrm, IIC_iStore_d_ru,
2028 "strd", "\t$src1, $src2, [$base, $offset]!",
2029 "$base = $base_wb", []>;
2031 // For disassembly only
2032 def STRD_POST: AI3stdpo<(outs GPR:$base_wb),
2033 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
2034 StMiscFrm, IIC_iStore_d_ru,
2035 "strd", "\t$src1, $src2, [$base], $offset",
2036 "$base = $base_wb", []>;
2037 } // mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1
2039 // STRT, STRBT, and STRHT are for disassembly only.
2041 def STRT : AI2stridxT<0, 0, (outs GPR:$Rn_wb), (ins GPR:$Rt, addrmode2:$addr),
2042 IndexModePost, StFrm, IIC_iStore_ru,
2043 "strt", "\t$Rt, $addr", "$addr.base = $Rn_wb",
2044 [/* For disassembly only; pattern left blank */]> {
2045 let Inst{21} = 1; // overwrite
2046 let AsmMatchConverter = "CvtStWriteBackRegAddrMode2";
2049 def STRBT : AI2stridxT<1, 0, (outs GPR:$Rn_wb), (ins GPR:$Rt, addrmode2:$addr),
2050 IndexModePost, StFrm, IIC_iStore_bh_ru,
2051 "strbt", "\t$Rt, $addr", "$addr.base = $Rn_wb",
2052 [/* For disassembly only; pattern left blank */]> {
2053 let Inst{21} = 1; // overwrite
2054 let AsmMatchConverter = "CvtStWriteBackRegAddrMode2";
2057 def STRHT: AI3sthpo<(outs GPR:$base_wb), (ins GPR:$Rt, addrmode3:$addr),
2058 StMiscFrm, IIC_iStore_bh_ru,
2059 "strht", "\t$Rt, $addr", "$addr.base = $base_wb",
2060 [/* For disassembly only; pattern left blank */]> {
2061 let Inst{21} = 1; // overwrite
2062 let AsmMatchConverter = "CvtStWriteBackRegAddrMode3";
2065 //===----------------------------------------------------------------------===//
2066 // Load / store multiple Instructions.
2069 multiclass arm_ldst_mult<string asm, bit L_bit, Format f,
2070 InstrItinClass itin, InstrItinClass itin_upd> {
2071 // IA is the default, so no need for an explicit suffix on the
2072 // mnemonic here. Without it is the cannonical spelling.
2074 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2075 IndexModeNone, f, itin,
2076 !strconcat(asm, "${p}\t$Rn, $regs"), "", []> {
2077 let Inst{24-23} = 0b01; // Increment After
2078 let Inst{21} = 0; // No writeback
2079 let Inst{20} = L_bit;
2082 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2083 IndexModeUpd, f, itin_upd,
2084 !strconcat(asm, "${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
2085 let Inst{24-23} = 0b01; // Increment After
2086 let Inst{21} = 1; // Writeback
2087 let Inst{20} = L_bit;
2090 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2091 IndexModeNone, f, itin,
2092 !strconcat(asm, "da${p}\t$Rn, $regs"), "", []> {
2093 let Inst{24-23} = 0b00; // Decrement After
2094 let Inst{21} = 0; // No writeback
2095 let Inst{20} = L_bit;
2098 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2099 IndexModeUpd, f, itin_upd,
2100 !strconcat(asm, "da${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
2101 let Inst{24-23} = 0b00; // Decrement After
2102 let Inst{21} = 1; // Writeback
2103 let Inst{20} = L_bit;
2106 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2107 IndexModeNone, f, itin,
2108 !strconcat(asm, "db${p}\t$Rn, $regs"), "", []> {
2109 let Inst{24-23} = 0b10; // Decrement Before
2110 let Inst{21} = 0; // No writeback
2111 let Inst{20} = L_bit;
2114 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2115 IndexModeUpd, f, itin_upd,
2116 !strconcat(asm, "db${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
2117 let Inst{24-23} = 0b10; // Decrement Before
2118 let Inst{21} = 1; // Writeback
2119 let Inst{20} = L_bit;
2122 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2123 IndexModeNone, f, itin,
2124 !strconcat(asm, "ib${p}\t$Rn, $regs"), "", []> {
2125 let Inst{24-23} = 0b11; // Increment Before
2126 let Inst{21} = 0; // No writeback
2127 let Inst{20} = L_bit;
2130 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2131 IndexModeUpd, f, itin_upd,
2132 !strconcat(asm, "ib${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
2133 let Inst{24-23} = 0b11; // Increment Before
2134 let Inst{21} = 1; // Writeback
2135 let Inst{20} = L_bit;
2139 let neverHasSideEffects = 1 in {
2141 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
2142 defm LDM : arm_ldst_mult<"ldm", 1, LdStMulFrm, IIC_iLoad_m, IIC_iLoad_mu>;
2144 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
2145 defm STM : arm_ldst_mult<"stm", 0, LdStMulFrm, IIC_iStore_m, IIC_iStore_mu>;
2147 } // neverHasSideEffects
2149 // FIXME: remove when we have a way to marking a MI with these properties.
2150 // FIXME: Should pc be an implicit operand like PICADD, etc?
2151 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
2152 hasExtraDefRegAllocReq = 1, isCodeGenOnly = 1 in
2153 def LDMIA_RET : ARMPseudoExpand<(outs GPR:$wb), (ins GPR:$Rn, pred:$p,
2154 reglist:$regs, variable_ops),
2155 4, IIC_iLoad_mBr, [],
2156 (LDMIA_UPD GPR:$wb, GPR:$Rn, pred:$p, reglist:$regs)>,
2157 RegConstraint<"$Rn = $wb">;
2159 //===----------------------------------------------------------------------===//
2160 // Move Instructions.
2163 let neverHasSideEffects = 1 in
2164 def MOVr : AsI1<0b1101, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMOVr,
2165 "mov", "\t$Rd, $Rm", []>, UnaryDP {
2169 let Inst{19-16} = 0b0000;
2170 let Inst{11-4} = 0b00000000;
2173 let Inst{15-12} = Rd;
2176 // A version for the smaller set of tail call registers.
2177 let neverHasSideEffects = 1 in
2178 def MOVr_TC : AsI1<0b1101, (outs tcGPR:$Rd), (ins tcGPR:$Rm), DPFrm,
2179 IIC_iMOVr, "mov", "\t$Rd, $Rm", []>, UnaryDP {
2183 let Inst{11-4} = 0b00000000;
2186 let Inst{15-12} = Rd;
2189 def MOVsr : AsI1<0b1101, (outs GPR:$Rd), (ins shift_so_reg_reg:$src),
2190 DPSoRegRegFrm, IIC_iMOVsr,
2191 "mov", "\t$Rd, $src", [(set GPR:$Rd, shift_so_reg_reg:$src)]>,
2195 let Inst{15-12} = Rd;
2196 let Inst{19-16} = 0b0000;
2197 let Inst{11-8} = src{11-8};
2199 let Inst{6-5} = src{6-5};
2201 let Inst{3-0} = src{3-0};
2205 def MOVsi : AsI1<0b1101, (outs GPR:$Rd), (ins shift_so_reg_imm:$src),
2206 DPSoRegImmFrm, IIC_iMOVsr,
2207 "mov", "\t$Rd, $src", [(set GPR:$Rd, shift_so_reg_imm:$src)]>,
2211 let Inst{15-12} = Rd;
2212 let Inst{19-16} = 0b0000;
2213 let Inst{11-5} = src{11-5};
2215 let Inst{3-0} = src{3-0};
2221 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
2222 def MOVi : AsI1<0b1101, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm, IIC_iMOVi,
2223 "mov", "\t$Rd, $imm", [(set GPR:$Rd, so_imm:$imm)]>, UnaryDP {
2227 let Inst{15-12} = Rd;
2228 let Inst{19-16} = 0b0000;
2229 let Inst{11-0} = imm;
2232 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
2233 def MOVi16 : AI1<0b1000, (outs GPR:$Rd), (ins imm0_65535_expr:$imm),
2235 "movw", "\t$Rd, $imm",
2236 [(set GPR:$Rd, imm0_65535:$imm)]>,
2237 Requires<[IsARM, HasV6T2]>, UnaryDP {
2240 let Inst{15-12} = Rd;
2241 let Inst{11-0} = imm{11-0};
2242 let Inst{19-16} = imm{15-12};
2247 def : InstAlias<"mov${p} $Rd, $imm",
2248 (MOVi16 GPR:$Rd, imm0_65535_expr:$imm, pred:$p)>,
2251 def MOVi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
2252 (ins i32imm:$addr, pclabel:$id), IIC_iMOVi, []>;
2254 let Constraints = "$src = $Rd" in {
2255 def MOVTi16 : AI1<0b1010, (outs GPR:$Rd), (ins GPR:$src, imm0_65535_expr:$imm),
2257 "movt", "\t$Rd, $imm",
2259 (or (and GPR:$src, 0xffff),
2260 lo16AllZero:$imm))]>, UnaryDP,
2261 Requires<[IsARM, HasV6T2]> {
2264 let Inst{15-12} = Rd;
2265 let Inst{11-0} = imm{11-0};
2266 let Inst{19-16} = imm{15-12};
2271 def MOVTi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
2272 (ins GPR:$src, i32imm:$addr, pclabel:$id), IIC_iMOVi, []>;
2276 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
2277 Requires<[IsARM, HasV6T2]>;
2279 let Uses = [CPSR] in
2280 def RRX: PseudoInst<(outs GPR:$Rd), (ins GPR:$Rm), IIC_iMOVsi,
2281 [(set GPR:$Rd, (ARMrrx GPR:$Rm))]>, UnaryDP,
2284 // These aren't really mov instructions, but we have to define them this way
2285 // due to flag operands.
2287 let Defs = [CPSR] in {
2288 def MOVsrl_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
2289 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP,
2291 def MOVsra_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
2292 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP,
2296 //===----------------------------------------------------------------------===//
2297 // Extend Instructions.
2302 defm SXTB : AI_ext_rrot<0b01101010,
2303 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
2304 defm SXTH : AI_ext_rrot<0b01101011,
2305 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
2307 defm SXTAB : AI_exta_rrot<0b01101010,
2308 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
2309 defm SXTAH : AI_exta_rrot<0b01101011,
2310 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
2312 // For disassembly only
2313 defm SXTB16 : AI_ext_rrot_np<0b01101000, "sxtb16">;
2315 // For disassembly only
2316 defm SXTAB16 : AI_exta_rrot_np<0b01101000, "sxtab16">;
2320 let AddedComplexity = 16 in {
2321 defm UXTB : AI_ext_rrot<0b01101110,
2322 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
2323 defm UXTH : AI_ext_rrot<0b01101111,
2324 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
2325 defm UXTB16 : AI_ext_rrot<0b01101100,
2326 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
2328 // FIXME: This pattern incorrectly assumes the shl operator is a rotate.
2329 // The transformation should probably be done as a combiner action
2330 // instead so we can include a check for masking back in the upper
2331 // eight bits of the source into the lower eight bits of the result.
2332 //def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
2333 // (UXTB16r_rot GPR:$Src, 24)>;
2334 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
2335 (UXTB16r_rot GPR:$Src, 8)>;
2337 defm UXTAB : AI_exta_rrot<0b01101110, "uxtab",
2338 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
2339 defm UXTAH : AI_exta_rrot<0b01101111, "uxtah",
2340 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
2343 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
2344 // For disassembly only
2345 defm UXTAB16 : AI_exta_rrot_np<0b01101100, "uxtab16">;
2348 def SBFX : I<(outs GPR:$Rd),
2349 (ins GPR:$Rn, imm0_31:$lsb, imm0_31_m1:$width),
2350 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
2351 "sbfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
2352 Requires<[IsARM, HasV6T2]> {
2357 let Inst{27-21} = 0b0111101;
2358 let Inst{6-4} = 0b101;
2359 let Inst{20-16} = width;
2360 let Inst{15-12} = Rd;
2361 let Inst{11-7} = lsb;
2365 def UBFX : I<(outs GPR:$Rd),
2366 (ins GPR:$Rn, imm0_31:$lsb, imm0_31_m1:$width),
2367 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
2368 "ubfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
2369 Requires<[IsARM, HasV6T2]> {
2374 let Inst{27-21} = 0b0111111;
2375 let Inst{6-4} = 0b101;
2376 let Inst{20-16} = width;
2377 let Inst{15-12} = Rd;
2378 let Inst{11-7} = lsb;
2382 //===----------------------------------------------------------------------===//
2383 // Arithmetic Instructions.
2386 defm ADD : AsI1_bin_irs<0b0100, "add",
2387 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2388 BinOpFrag<(add node:$LHS, node:$RHS)>, "ADD", 1>;
2389 defm SUB : AsI1_bin_irs<0b0010, "sub",
2390 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2391 BinOpFrag<(sub node:$LHS, node:$RHS)>, "SUB">;
2393 // ADD and SUB with 's' bit set.
2394 defm ADDS : AI1_bin_s_irs<0b0100, "adds",
2395 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2396 BinOpFrag<(addc node:$LHS, node:$RHS)>, 1>;
2397 defm SUBS : AI1_bin_s_irs<0b0010, "subs",
2398 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2399 BinOpFrag<(subc node:$LHS, node:$RHS)>>;
2401 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
2402 BinOpFrag<(adde_dead_carry node:$LHS, node:$RHS)>,
2404 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
2405 BinOpFrag<(sube_dead_carry node:$LHS, node:$RHS)>,
2408 // ADC and SUBC with 's' bit set.
2409 let usesCustomInserter = 1 in {
2410 defm ADCS : AI1_adde_sube_s_irs<
2411 BinOpFrag<(adde_live_carry node:$LHS, node:$RHS)>, 1>;
2412 defm SBCS : AI1_adde_sube_s_irs<
2413 BinOpFrag<(sube_live_carry node:$LHS, node:$RHS) >>;
2416 def RSBri : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
2417 IIC_iALUi, "rsb", "\t$Rd, $Rn, $imm",
2418 [(set GPR:$Rd, (sub so_imm:$imm, GPR:$Rn))]> {
2423 let Inst{15-12} = Rd;
2424 let Inst{19-16} = Rn;
2425 let Inst{11-0} = imm;
2428 // The reg/reg form is only defined for the disassembler; for codegen it is
2429 // equivalent to SUBrr.
2430 def RSBrr : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
2431 IIC_iALUr, "rsb", "\t$Rd, $Rn, $Rm",
2432 [/* For disassembly only; pattern left blank */]> {
2436 let Inst{11-4} = 0b00000000;
2439 let Inst{15-12} = Rd;
2440 let Inst{19-16} = Rn;
2443 def RSBrsi : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_imm:$shift),
2444 DPSoRegImmFrm, IIC_iALUsr, "rsb", "\t$Rd, $Rn, $shift",
2445 [(set GPR:$Rd, (sub so_reg_imm:$shift, GPR:$Rn))]> {
2450 let Inst{19-16} = Rn;
2451 let Inst{15-12} = Rd;
2452 let Inst{11-5} = shift{11-5};
2454 let Inst{3-0} = shift{3-0};
2457 def RSBrsr : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_reg:$shift),
2458 DPSoRegRegFrm, IIC_iALUsr, "rsb", "\t$Rd, $Rn, $shift",
2459 [(set GPR:$Rd, (sub so_reg_reg:$shift, GPR:$Rn))]> {
2464 let Inst{19-16} = Rn;
2465 let Inst{15-12} = Rd;
2466 let Inst{11-8} = shift{11-8};
2468 let Inst{6-5} = shift{6-5};
2470 let Inst{3-0} = shift{3-0};
2473 // RSB with 's' bit set.
2474 // NOTE: CPSR def omitted because it will be handled by the custom inserter.
2475 let usesCustomInserter = 1 in {
2476 def RSBSri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2478 [(set GPR:$Rd, (subc so_imm:$imm, GPR:$Rn))]>;
2479 def RSBSrr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2481 [/* For disassembly only; pattern left blank */]>;
2482 def RSBSrsi : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg_imm:$shift),
2484 [(set GPR:$Rd, (subc so_reg_imm:$shift, GPR:$Rn))]>;
2485 def RSBSrsr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg_reg:$shift),
2487 [(set GPR:$Rd, (subc so_reg_reg:$shift, GPR:$Rn))]>;
2490 let Uses = [CPSR] in {
2491 def RSCri : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2492 DPFrm, IIC_iALUi, "rsc", "\t$Rd, $Rn, $imm",
2493 [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>,
2499 let Inst{15-12} = Rd;
2500 let Inst{19-16} = Rn;
2501 let Inst{11-0} = imm;
2503 // The reg/reg form is only defined for the disassembler; for codegen it is
2504 // equivalent to SUBrr.
2505 def RSCrr : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2506 DPFrm, IIC_iALUr, "rsc", "\t$Rd, $Rn, $Rm",
2507 [/* For disassembly only; pattern left blank */]> {
2511 let Inst{11-4} = 0b00000000;
2514 let Inst{15-12} = Rd;
2515 let Inst{19-16} = Rn;
2517 def RSCrsi : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_imm:$shift),
2518 DPSoRegImmFrm, IIC_iALUsr, "rsc", "\t$Rd, $Rn, $shift",
2519 [(set GPR:$Rd, (sube_dead_carry so_reg_imm:$shift, GPR:$Rn))]>,
2525 let Inst{19-16} = Rn;
2526 let Inst{15-12} = Rd;
2527 let Inst{11-5} = shift{11-5};
2529 let Inst{3-0} = shift{3-0};
2531 def RSCrsr : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_reg:$shift),
2532 DPSoRegRegFrm, IIC_iALUsr, "rsc", "\t$Rd, $Rn, $shift",
2533 [(set GPR:$Rd, (sube_dead_carry so_reg_reg:$shift, GPR:$Rn))]>,
2539 let Inst{19-16} = Rn;
2540 let Inst{15-12} = Rd;
2541 let Inst{11-8} = shift{11-8};
2543 let Inst{6-5} = shift{6-5};
2545 let Inst{3-0} = shift{3-0};
2550 // NOTE: CPSR def omitted because it will be handled by the custom inserter.
2551 let usesCustomInserter = 1, Uses = [CPSR] in {
2552 def RSCSri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2554 [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>;
2555 def RSCSrsi : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg_imm:$shift),
2557 [(set GPR:$Rd, (sube_dead_carry so_reg_imm:$shift, GPR:$Rn))]>;
2558 def RSCSrsr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg_reg:$shift),
2560 [(set GPR:$Rd, (sube_dead_carry so_reg_reg:$shift, GPR:$Rn))]>;
2563 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
2564 // The assume-no-carry-in form uses the negation of the input since add/sub
2565 // assume opposite meanings of the carry flag (i.e., carry == !borrow).
2566 // See the definition of AddWithCarry() in the ARM ARM A2.2.1 for the gory
2568 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
2569 (SUBri GPR:$src, so_imm_neg:$imm)>;
2570 def : ARMPat<(addc GPR:$src, so_imm_neg:$imm),
2571 (SUBSri GPR:$src, so_imm_neg:$imm)>;
2572 // The with-carry-in form matches bitwise not instead of the negation.
2573 // Effectively, the inverse interpretation of the carry flag already accounts
2574 // for part of the negation.
2575 def : ARMPat<(adde_dead_carry GPR:$src, so_imm_not:$imm),
2576 (SBCri GPR:$src, so_imm_not:$imm)>;
2577 def : ARMPat<(adde_live_carry GPR:$src, so_imm_not:$imm),
2578 (SBCSri GPR:$src, so_imm_not:$imm)>;
2580 // Note: These are implemented in C++ code, because they have to generate
2581 // ADD/SUBrs instructions, which use a complex pattern that a xform function
2583 // (mul X, 2^n+1) -> (add (X << n), X)
2584 // (mul X, 2^n-1) -> (rsb X, (X << n))
2586 // ARM Arithmetic Instruction
2587 // GPR:$dst = GPR:$a op GPR:$b
2588 class AAI<bits<8> op27_20, bits<8> op11_4, string opc,
2589 list<dag> pattern = [],
2590 dag iops = (ins GPR:$Rn, GPR:$Rm), string asm = "\t$Rd, $Rn, $Rm">
2591 : AI<(outs GPR:$Rd), iops, DPFrm, IIC_iALUr, opc, asm, pattern> {
2595 let Inst{27-20} = op27_20;
2596 let Inst{11-4} = op11_4;
2597 let Inst{19-16} = Rn;
2598 let Inst{15-12} = Rd;
2602 // Saturating add/subtract
2604 def QADD : AAI<0b00010000, 0b00000101, "qadd",
2605 [(set GPR:$Rd, (int_arm_qadd GPR:$Rm, GPR:$Rn))],
2606 (ins GPR:$Rm, GPR:$Rn), "\t$Rd, $Rm, $Rn">;
2607 def QSUB : AAI<0b00010010, 0b00000101, "qsub",
2608 [(set GPR:$Rd, (int_arm_qsub GPR:$Rm, GPR:$Rn))],
2609 (ins GPR:$Rm, GPR:$Rn), "\t$Rd, $Rm, $Rn">;
2610 def QDADD : AAI<0b00010100, 0b00000101, "qdadd", [], (ins GPR:$Rm, GPR:$Rn),
2612 def QDSUB : AAI<0b00010110, 0b00000101, "qdsub", [], (ins GPR:$Rm, GPR:$Rn),
2615 def QADD16 : AAI<0b01100010, 0b11110001, "qadd16">;
2616 def QADD8 : AAI<0b01100010, 0b11111001, "qadd8">;
2617 def QASX : AAI<0b01100010, 0b11110011, "qasx">;
2618 def QSAX : AAI<0b01100010, 0b11110101, "qsax">;
2619 def QSUB16 : AAI<0b01100010, 0b11110111, "qsub16">;
2620 def QSUB8 : AAI<0b01100010, 0b11111111, "qsub8">;
2621 def UQADD16 : AAI<0b01100110, 0b11110001, "uqadd16">;
2622 def UQADD8 : AAI<0b01100110, 0b11111001, "uqadd8">;
2623 def UQASX : AAI<0b01100110, 0b11110011, "uqasx">;
2624 def UQSAX : AAI<0b01100110, 0b11110101, "uqsax">;
2625 def UQSUB16 : AAI<0b01100110, 0b11110111, "uqsub16">;
2626 def UQSUB8 : AAI<0b01100110, 0b11111111, "uqsub8">;
2628 // Signed/Unsigned add/subtract
2630 def SASX : AAI<0b01100001, 0b11110011, "sasx">;
2631 def SADD16 : AAI<0b01100001, 0b11110001, "sadd16">;
2632 def SADD8 : AAI<0b01100001, 0b11111001, "sadd8">;
2633 def SSAX : AAI<0b01100001, 0b11110101, "ssax">;
2634 def SSUB16 : AAI<0b01100001, 0b11110111, "ssub16">;
2635 def SSUB8 : AAI<0b01100001, 0b11111111, "ssub8">;
2636 def UASX : AAI<0b01100101, 0b11110011, "uasx">;
2637 def UADD16 : AAI<0b01100101, 0b11110001, "uadd16">;
2638 def UADD8 : AAI<0b01100101, 0b11111001, "uadd8">;
2639 def USAX : AAI<0b01100101, 0b11110101, "usax">;
2640 def USUB16 : AAI<0b01100101, 0b11110111, "usub16">;
2641 def USUB8 : AAI<0b01100101, 0b11111111, "usub8">;
2643 // Signed/Unsigned halving add/subtract
2645 def SHASX : AAI<0b01100011, 0b11110011, "shasx">;
2646 def SHADD16 : AAI<0b01100011, 0b11110001, "shadd16">;
2647 def SHADD8 : AAI<0b01100011, 0b11111001, "shadd8">;
2648 def SHSAX : AAI<0b01100011, 0b11110101, "shsax">;
2649 def SHSUB16 : AAI<0b01100011, 0b11110111, "shsub16">;
2650 def SHSUB8 : AAI<0b01100011, 0b11111111, "shsub8">;
2651 def UHASX : AAI<0b01100111, 0b11110011, "uhasx">;
2652 def UHADD16 : AAI<0b01100111, 0b11110001, "uhadd16">;
2653 def UHADD8 : AAI<0b01100111, 0b11111001, "uhadd8">;
2654 def UHSAX : AAI<0b01100111, 0b11110101, "uhsax">;
2655 def UHSUB16 : AAI<0b01100111, 0b11110111, "uhsub16">;
2656 def UHSUB8 : AAI<0b01100111, 0b11111111, "uhsub8">;
2658 // Unsigned Sum of Absolute Differences [and Accumulate] -- for disassembly only
2660 def USAD8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2661 MulFrm /* for convenience */, NoItinerary, "usad8",
2662 "\t$Rd, $Rn, $Rm", []>,
2663 Requires<[IsARM, HasV6]> {
2667 let Inst{27-20} = 0b01111000;
2668 let Inst{15-12} = 0b1111;
2669 let Inst{7-4} = 0b0001;
2670 let Inst{19-16} = Rd;
2671 let Inst{11-8} = Rm;
2674 def USADA8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2675 MulFrm /* for convenience */, NoItinerary, "usada8",
2676 "\t$Rd, $Rn, $Rm, $Ra", []>,
2677 Requires<[IsARM, HasV6]> {
2682 let Inst{27-20} = 0b01111000;
2683 let Inst{7-4} = 0b0001;
2684 let Inst{19-16} = Rd;
2685 let Inst{15-12} = Ra;
2686 let Inst{11-8} = Rm;
2690 // Signed/Unsigned saturate -- for disassembly only
2692 def SSAT : AI<(outs GPR:$Rd), (ins imm1_32:$sat_imm, GPR:$a, shift_imm:$sh),
2693 SatFrm, NoItinerary, "ssat", "\t$Rd, $sat_imm, $a$sh", []> {
2698 let Inst{27-21} = 0b0110101;
2699 let Inst{5-4} = 0b01;
2700 let Inst{20-16} = sat_imm;
2701 let Inst{15-12} = Rd;
2702 let Inst{11-7} = sh{7-3};
2703 let Inst{6} = sh{0};
2707 def SSAT16 : AI<(outs GPR:$Rd), (ins imm1_32:$sat_imm, GPR:$Rn), SatFrm,
2708 NoItinerary, "ssat16", "\t$Rd, $sat_imm, $Rn", []> {
2712 let Inst{27-20} = 0b01101010;
2713 let Inst{11-4} = 0b11110011;
2714 let Inst{15-12} = Rd;
2715 let Inst{19-16} = sat_imm;
2719 def USAT : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a, shift_imm:$sh),
2720 SatFrm, NoItinerary, "usat", "\t$Rd, $sat_imm, $a$sh",
2721 [/* For disassembly only; pattern left blank */]> {
2726 let Inst{27-21} = 0b0110111;
2727 let Inst{5-4} = 0b01;
2728 let Inst{15-12} = Rd;
2729 let Inst{11-7} = sh{7-3};
2730 let Inst{6} = sh{0};
2731 let Inst{20-16} = sat_imm;
2735 def USAT16 : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a), SatFrm,
2736 NoItinerary, "usat16", "\t$Rd, $sat_imm, $a",
2737 [/* For disassembly only; pattern left blank */]> {
2741 let Inst{27-20} = 0b01101110;
2742 let Inst{11-4} = 0b11110011;
2743 let Inst{15-12} = Rd;
2744 let Inst{19-16} = sat_imm;
2748 def : ARMV6Pat<(int_arm_ssat GPR:$a, imm:$pos), (SSAT imm:$pos, GPR:$a, 0)>;
2749 def : ARMV6Pat<(int_arm_usat GPR:$a, imm:$pos), (USAT imm:$pos, GPR:$a, 0)>;
2751 //===----------------------------------------------------------------------===//
2752 // Bitwise Instructions.
2755 defm AND : AsI1_bin_irs<0b0000, "and",
2756 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2757 BinOpFrag<(and node:$LHS, node:$RHS)>, "AND", 1>;
2758 defm ORR : AsI1_bin_irs<0b1100, "orr",
2759 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2760 BinOpFrag<(or node:$LHS, node:$RHS)>, "ORR", 1>;
2761 defm EOR : AsI1_bin_irs<0b0001, "eor",
2762 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2763 BinOpFrag<(xor node:$LHS, node:$RHS)>, "EOR", 1>;
2764 defm BIC : AsI1_bin_irs<0b1110, "bic",
2765 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2766 BinOpFrag<(and node:$LHS, (not node:$RHS))>, "BIC">;
2768 def BFC : I<(outs GPR:$Rd), (ins GPR:$src, bf_inv_mask_imm:$imm),
2769 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
2770 "bfc", "\t$Rd, $imm", "$src = $Rd",
2771 [(set GPR:$Rd, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
2772 Requires<[IsARM, HasV6T2]> {
2775 let Inst{27-21} = 0b0111110;
2776 let Inst{6-0} = 0b0011111;
2777 let Inst{15-12} = Rd;
2778 let Inst{11-7} = imm{4-0}; // lsb
2779 let Inst{20-16} = imm{9-5}; // width
2782 // A8.6.18 BFI - Bitfield insert (Encoding A1)
2783 def BFI : I<(outs GPR:$Rd), (ins GPR:$src, GPR:$Rn, bf_inv_mask_imm:$imm),
2784 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
2785 "bfi", "\t$Rd, $Rn, $imm", "$src = $Rd",
2786 [(set GPR:$Rd, (ARMbfi GPR:$src, GPR:$Rn,
2787 bf_inv_mask_imm:$imm))]>,
2788 Requires<[IsARM, HasV6T2]> {
2792 let Inst{27-21} = 0b0111110;
2793 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
2794 let Inst{15-12} = Rd;
2795 let Inst{11-7} = imm{4-0}; // lsb
2796 let Inst{20-16} = imm{9-5}; // width
2800 // GNU as only supports this form of bfi (w/ 4 arguments)
2801 let isAsmParserOnly = 1 in
2802 def BFI4p : I<(outs GPR:$Rd), (ins GPR:$src, GPR:$Rn,
2803 lsb_pos_imm:$lsb, width_imm:$width),
2804 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
2805 "bfi", "\t$Rd, $Rn, $lsb, $width", "$src = $Rd",
2806 []>, Requires<[IsARM, HasV6T2]> {
2811 let Inst{27-21} = 0b0111110;
2812 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
2813 let Inst{15-12} = Rd;
2814 let Inst{11-7} = lsb;
2815 let Inst{20-16} = width; // Custom encoder => lsb+width-1
2819 def MVNr : AsI1<0b1111, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMVNr,
2820 "mvn", "\t$Rd, $Rm",
2821 [(set GPR:$Rd, (not GPR:$Rm))]>, UnaryDP {
2825 let Inst{19-16} = 0b0000;
2826 let Inst{11-4} = 0b00000000;
2827 let Inst{15-12} = Rd;
2830 def MVNsi : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg_imm:$shift), DPSoRegImmFrm,
2831 IIC_iMVNsr, "mvn", "\t$Rd, $shift",
2832 [(set GPR:$Rd, (not so_reg_imm:$shift))]>, UnaryDP {
2836 let Inst{19-16} = 0b0000;
2837 let Inst{15-12} = Rd;
2838 let Inst{11-5} = shift{11-5};
2840 let Inst{3-0} = shift{3-0};
2842 def MVNsr : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg_reg:$shift), DPSoRegRegFrm,
2843 IIC_iMVNsr, "mvn", "\t$Rd, $shift",
2844 [(set GPR:$Rd, (not so_reg_reg:$shift))]>, UnaryDP {
2848 let Inst{19-16} = 0b0000;
2849 let Inst{15-12} = Rd;
2850 let Inst{11-8} = shift{11-8};
2852 let Inst{6-5} = shift{6-5};
2854 let Inst{3-0} = shift{3-0};
2856 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
2857 def MVNi : AsI1<0b1111, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm,
2858 IIC_iMVNi, "mvn", "\t$Rd, $imm",
2859 [(set GPR:$Rd, so_imm_not:$imm)]>,UnaryDP {
2863 let Inst{19-16} = 0b0000;
2864 let Inst{15-12} = Rd;
2865 let Inst{11-0} = imm;
2868 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
2869 (BICri GPR:$src, so_imm_not:$imm)>;
2871 //===----------------------------------------------------------------------===//
2872 // Multiply Instructions.
2874 class AsMul1I32<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
2875 string opc, string asm, list<dag> pattern>
2876 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
2880 let Inst{19-16} = Rd;
2881 let Inst{11-8} = Rm;
2884 class AsMul1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
2885 string opc, string asm, list<dag> pattern>
2886 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
2891 let Inst{19-16} = RdHi;
2892 let Inst{15-12} = RdLo;
2893 let Inst{11-8} = Rm;
2897 // FIXME: The v5 pseudos are only necessary for the additional Constraint
2898 // property. Remove them when it's possible to add those properties
2899 // on an individual MachineInstr, not just an instuction description.
2900 let isCommutable = 1 in {
2901 def MUL : AsMul1I32<0b0000000, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2902 IIC_iMUL32, "mul", "\t$Rd, $Rn, $Rm",
2903 [(set GPR:$Rd, (mul GPR:$Rn, GPR:$Rm))]>,
2904 Requires<[IsARM, HasV6]> {
2905 let Inst{15-12} = 0b0000;
2908 let Constraints = "@earlyclobber $Rd" in
2909 def MULv5: ARMPseudoExpand<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
2910 pred:$p, cc_out:$s),
2912 [(set GPR:$Rd, (mul GPR:$Rn, GPR:$Rm))],
2913 (MUL GPR:$Rd, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
2914 Requires<[IsARM, NoV6]>;
2917 def MLA : AsMul1I32<0b0000001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2918 IIC_iMAC32, "mla", "\t$Rd, $Rn, $Rm, $Ra",
2919 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
2920 Requires<[IsARM, HasV6]> {
2922 let Inst{15-12} = Ra;
2925 let Constraints = "@earlyclobber $Rd" in
2926 def MLAv5: ARMPseudoExpand<(outs GPR:$Rd),
2927 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra, pred:$p, cc_out:$s),
2929 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))],
2930 (MLA GPR:$Rd, GPR:$Rn, GPR:$Rm, GPR:$Ra, pred:$p, cc_out:$s)>,
2931 Requires<[IsARM, NoV6]>;
2933 def MLS : AMul1I<0b0000011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2934 IIC_iMAC32, "mls", "\t$Rd, $Rn, $Rm, $Ra",
2935 [(set GPR:$Rd, (sub GPR:$Ra, (mul GPR:$Rn, GPR:$Rm)))]>,
2936 Requires<[IsARM, HasV6T2]> {
2941 let Inst{19-16} = Rd;
2942 let Inst{15-12} = Ra;
2943 let Inst{11-8} = Rm;
2947 // Extra precision multiplies with low / high results
2948 let neverHasSideEffects = 1 in {
2949 let isCommutable = 1 in {
2950 def SMULL : AsMul1I64<0b0000110, (outs GPR:$RdLo, GPR:$RdHi),
2951 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
2952 "smull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2953 Requires<[IsARM, HasV6]>;
2955 def UMULL : AsMul1I64<0b0000100, (outs GPR:$RdLo, GPR:$RdHi),
2956 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
2957 "umull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2958 Requires<[IsARM, HasV6]>;
2960 let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
2961 def SMULLv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
2962 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
2964 (SMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
2965 Requires<[IsARM, NoV6]>;
2967 def UMULLv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
2968 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
2970 (UMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
2971 Requires<[IsARM, NoV6]>;
2975 // Multiply + accumulate
2976 def SMLAL : AsMul1I64<0b0000111, (outs GPR:$RdLo, GPR:$RdHi),
2977 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2978 "smlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2979 Requires<[IsARM, HasV6]>;
2980 def UMLAL : AsMul1I64<0b0000101, (outs GPR:$RdLo, GPR:$RdHi),
2981 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2982 "umlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2983 Requires<[IsARM, HasV6]>;
2985 def UMAAL : AMul1I <0b0000010, (outs GPR:$RdLo, GPR:$RdHi),
2986 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2987 "umaal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2988 Requires<[IsARM, HasV6]> {
2993 let Inst{19-16} = RdLo;
2994 let Inst{15-12} = RdHi;
2995 let Inst{11-8} = Rm;
2999 let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
3000 def SMLALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3001 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
3003 (SMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3004 Requires<[IsARM, NoV6]>;
3005 def UMLALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3006 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
3008 (UMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3009 Requires<[IsARM, NoV6]>;
3010 def UMAALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3011 (ins GPR:$Rn, GPR:$Rm, pred:$p),
3013 (UMAAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p)>,
3014 Requires<[IsARM, NoV6]>;
3017 } // neverHasSideEffects
3019 // Most significant word multiply
3020 def SMMUL : AMul2I <0b0111010, 0b0001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3021 IIC_iMUL32, "smmul", "\t$Rd, $Rn, $Rm",
3022 [(set GPR:$Rd, (mulhs GPR:$Rn, GPR:$Rm))]>,
3023 Requires<[IsARM, HasV6]> {
3024 let Inst{15-12} = 0b1111;
3027 def SMMULR : AMul2I <0b0111010, 0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3028 IIC_iMUL32, "smmulr", "\t$Rd, $Rn, $Rm",
3029 [/* For disassembly only; pattern left blank */]>,
3030 Requires<[IsARM, HasV6]> {
3031 let Inst{15-12} = 0b1111;
3034 def SMMLA : AMul2Ia <0b0111010, 0b0001, (outs GPR:$Rd),
3035 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3036 IIC_iMAC32, "smmla", "\t$Rd, $Rn, $Rm, $Ra",
3037 [(set GPR:$Rd, (add (mulhs GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
3038 Requires<[IsARM, HasV6]>;
3040 def SMMLAR : AMul2Ia <0b0111010, 0b0011, (outs GPR:$Rd),
3041 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3042 IIC_iMAC32, "smmlar", "\t$Rd, $Rn, $Rm, $Ra",
3043 [/* For disassembly only; pattern left blank */]>,
3044 Requires<[IsARM, HasV6]>;
3046 def SMMLS : AMul2Ia <0b0111010, 0b1101, (outs GPR:$Rd),
3047 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3048 IIC_iMAC32, "smmls", "\t$Rd, $Rn, $Rm, $Ra",
3049 [(set GPR:$Rd, (sub GPR:$Ra, (mulhs GPR:$Rn, GPR:$Rm)))]>,
3050 Requires<[IsARM, HasV6]>;
3052 def SMMLSR : AMul2Ia <0b0111010, 0b1111, (outs GPR:$Rd),
3053 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3054 IIC_iMAC32, "smmlsr", "\t$Rd, $Rn, $Rm, $Ra",
3055 [/* For disassembly only; pattern left blank */]>,
3056 Requires<[IsARM, HasV6]>;
3058 multiclass AI_smul<string opc, PatFrag opnode> {
3059 def BB : AMulxyI<0b0001011, 0b00, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3060 IIC_iMUL16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm",
3061 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
3062 (sext_inreg GPR:$Rm, i16)))]>,
3063 Requires<[IsARM, HasV5TE]>;
3065 def BT : AMulxyI<0b0001011, 0b10, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3066 IIC_iMUL16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm",
3067 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
3068 (sra GPR:$Rm, (i32 16))))]>,
3069 Requires<[IsARM, HasV5TE]>;
3071 def TB : AMulxyI<0b0001011, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3072 IIC_iMUL16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm",
3073 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
3074 (sext_inreg GPR:$Rm, i16)))]>,
3075 Requires<[IsARM, HasV5TE]>;
3077 def TT : AMulxyI<0b0001011, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3078 IIC_iMUL16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm",
3079 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
3080 (sra GPR:$Rm, (i32 16))))]>,
3081 Requires<[IsARM, HasV5TE]>;
3083 def WB : AMulxyI<0b0001001, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3084 IIC_iMUL16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm",
3085 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
3086 (sext_inreg GPR:$Rm, i16)), (i32 16)))]>,
3087 Requires<[IsARM, HasV5TE]>;
3089 def WT : AMulxyI<0b0001001, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3090 IIC_iMUL16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm",
3091 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
3092 (sra GPR:$Rm, (i32 16))), (i32 16)))]>,
3093 Requires<[IsARM, HasV5TE]>;
3097 multiclass AI_smla<string opc, PatFrag opnode> {
3098 def BB : AMulxyIa<0b0001000, 0b00, (outs GPR:$Rd),
3099 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3100 IIC_iMAC16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm, $Ra",
3101 [(set GPR:$Rd, (add GPR:$Ra,
3102 (opnode (sext_inreg GPR:$Rn, i16),
3103 (sext_inreg GPR:$Rm, i16))))]>,
3104 Requires<[IsARM, HasV5TE]>;
3106 def BT : AMulxyIa<0b0001000, 0b10, (outs GPR:$Rd),
3107 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3108 IIC_iMAC16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm, $Ra",
3109 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sext_inreg GPR:$Rn, i16),
3110 (sra GPR:$Rm, (i32 16)))))]>,
3111 Requires<[IsARM, HasV5TE]>;
3113 def TB : AMulxyIa<0b0001000, 0b01, (outs GPR:$Rd),
3114 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3115 IIC_iMAC16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm, $Ra",
3116 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sra GPR:$Rn, (i32 16)),
3117 (sext_inreg GPR:$Rm, i16))))]>,
3118 Requires<[IsARM, HasV5TE]>;
3120 def TT : AMulxyIa<0b0001000, 0b11, (outs GPR:$Rd),
3121 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3122 IIC_iMAC16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm, $Ra",
3123 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sra GPR:$Rn, (i32 16)),
3124 (sra GPR:$Rm, (i32 16)))))]>,
3125 Requires<[IsARM, HasV5TE]>;
3127 def WB : AMulxyIa<0b0001001, 0b00, (outs GPR:$Rd),
3128 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3129 IIC_iMAC16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm, $Ra",
3130 [(set GPR:$Rd, (add GPR:$Ra, (sra (opnode GPR:$Rn,
3131 (sext_inreg GPR:$Rm, i16)), (i32 16))))]>,
3132 Requires<[IsARM, HasV5TE]>;
3134 def WT : AMulxyIa<0b0001001, 0b10, (outs GPR:$Rd),
3135 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3136 IIC_iMAC16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm, $Ra",
3137 [(set GPR:$Rd, (add GPR:$Ra, (sra (opnode GPR:$Rn,
3138 (sra GPR:$Rm, (i32 16))), (i32 16))))]>,
3139 Requires<[IsARM, HasV5TE]>;
3142 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
3143 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
3145 // Halfword multiply accumulate long: SMLAL<x><y> -- for disassembly only
3146 def SMLALBB : AMulxyI64<0b0001010, 0b00, (outs GPR:$RdLo, GPR:$RdHi),
3147 (ins GPR:$Rn, GPR:$Rm),
3148 IIC_iMAC64, "smlalbb", "\t$RdLo, $RdHi, $Rn, $Rm",
3149 [/* For disassembly only; pattern left blank */]>,
3150 Requires<[IsARM, HasV5TE]>;
3152 def SMLALBT : AMulxyI64<0b0001010, 0b10, (outs GPR:$RdLo, GPR:$RdHi),
3153 (ins GPR:$Rn, GPR:$Rm),
3154 IIC_iMAC64, "smlalbt", "\t$RdLo, $RdHi, $Rn, $Rm",
3155 [/* For disassembly only; pattern left blank */]>,
3156 Requires<[IsARM, HasV5TE]>;
3158 def SMLALTB : AMulxyI64<0b0001010, 0b01, (outs GPR:$RdLo, GPR:$RdHi),
3159 (ins GPR:$Rn, GPR:$Rm),
3160 IIC_iMAC64, "smlaltb", "\t$RdLo, $RdHi, $Rn, $Rm",
3161 [/* For disassembly only; pattern left blank */]>,
3162 Requires<[IsARM, HasV5TE]>;
3164 def SMLALTT : AMulxyI64<0b0001010, 0b11, (outs GPR:$RdLo, GPR:$RdHi),
3165 (ins GPR:$Rn, GPR:$Rm),
3166 IIC_iMAC64, "smlaltt", "\t$RdLo, $RdHi, $Rn, $Rm",
3167 [/* For disassembly only; pattern left blank */]>,
3168 Requires<[IsARM, HasV5TE]>;
3170 // Helper class for AI_smld -- for disassembly only
3171 class AMulDualIbase<bit long, bit sub, bit swap, dag oops, dag iops,
3172 InstrItinClass itin, string opc, string asm>
3173 : AI<oops, iops, MulFrm, itin, opc, asm, []>, Requires<[IsARM, HasV6]> {
3176 let Inst{27-23} = 0b01110;
3177 let Inst{22} = long;
3178 let Inst{21-20} = 0b00;
3179 let Inst{11-8} = Rm;
3186 class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
3187 InstrItinClass itin, string opc, string asm>
3188 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
3190 let Inst{15-12} = 0b1111;
3191 let Inst{19-16} = Rd;
3193 class AMulDualIa<bit long, bit sub, bit swap, dag oops, dag iops,
3194 InstrItinClass itin, string opc, string asm>
3195 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
3198 let Inst{19-16} = Rd;
3199 let Inst{15-12} = Ra;
3201 class AMulDualI64<bit long, bit sub, bit swap, dag oops, dag iops,
3202 InstrItinClass itin, string opc, string asm>
3203 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
3206 let Inst{19-16} = RdHi;
3207 let Inst{15-12} = RdLo;
3210 multiclass AI_smld<bit sub, string opc> {
3212 def D : AMulDualIa<0, sub, 0, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3213 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm, $Ra">;
3215 def DX: AMulDualIa<0, sub, 1, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3216 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm, $Ra">;
3218 def LD: AMulDualI64<1, sub, 0, (outs GPR:$RdLo,GPR:$RdHi),
3219 (ins GPR:$Rn, GPR:$Rm), NoItinerary,
3220 !strconcat(opc, "ld"), "\t$RdLo, $RdHi, $Rn, $Rm">;
3222 def LDX : AMulDualI64<1, sub, 1, (outs GPR:$RdLo,GPR:$RdHi),
3223 (ins GPR:$Rn, GPR:$Rm), NoItinerary,
3224 !strconcat(opc, "ldx"),"\t$RdLo, $RdHi, $Rn, $Rm">;
3228 defm SMLA : AI_smld<0, "smla">;
3229 defm SMLS : AI_smld<1, "smls">;
3231 multiclass AI_sdml<bit sub, string opc> {
3233 def D : AMulDualI<0, sub, 0, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3234 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm">;
3235 def DX : AMulDualI<0, sub, 1, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3236 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm">;
3239 defm SMUA : AI_sdml<0, "smua">;
3240 defm SMUS : AI_sdml<1, "smus">;
3242 //===----------------------------------------------------------------------===//
3243 // Misc. Arithmetic Instructions.
3246 def CLZ : AMiscA1I<0b000010110, 0b0001, (outs GPR:$Rd), (ins GPR:$Rm),
3247 IIC_iUNAr, "clz", "\t$Rd, $Rm",
3248 [(set GPR:$Rd, (ctlz GPR:$Rm))]>, Requires<[IsARM, HasV5T]>;
3250 def RBIT : AMiscA1I<0b01101111, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
3251 IIC_iUNAr, "rbit", "\t$Rd, $Rm",
3252 [(set GPR:$Rd, (ARMrbit GPR:$Rm))]>,
3253 Requires<[IsARM, HasV6T2]>;
3255 def REV : AMiscA1I<0b01101011, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
3256 IIC_iUNAr, "rev", "\t$Rd, $Rm",
3257 [(set GPR:$Rd, (bswap GPR:$Rm))]>, Requires<[IsARM, HasV6]>;
3259 let AddedComplexity = 5 in
3260 def REV16 : AMiscA1I<0b01101011, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
3261 IIC_iUNAr, "rev16", "\t$Rd, $Rm",
3262 [(set GPR:$Rd, (rotr (bswap GPR:$Rm), (i32 16)))]>,
3263 Requires<[IsARM, HasV6]>;
3265 let AddedComplexity = 5 in
3266 def REVSH : AMiscA1I<0b01101111, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
3267 IIC_iUNAr, "revsh", "\t$Rd, $Rm",
3268 [(set GPR:$Rd, (sra (bswap GPR:$Rm), (i32 16)))]>,
3269 Requires<[IsARM, HasV6]>;
3271 def : ARMV6Pat<(or (sra (shl GPR:$Rm, (i32 24)), (i32 16)),
3272 (and (srl GPR:$Rm, (i32 8)), 0xFF)),
3275 def PKHBT : APKHI<0b01101000, 0, (outs GPR:$Rd),
3276 (ins GPR:$Rn, GPR:$Rm, pkh_lsl_amt:$sh),
3277 IIC_iALUsi, "pkhbt", "\t$Rd, $Rn, $Rm$sh",
3278 [(set GPR:$Rd, (or (and GPR:$Rn, 0xFFFF),
3279 (and (shl GPR:$Rm, pkh_lsl_amt:$sh),
3281 Requires<[IsARM, HasV6]>;
3283 // Alternate cases for PKHBT where identities eliminate some nodes.
3284 def : ARMV6Pat<(or (and GPR:$Rn, 0xFFFF), (and GPR:$Rm, 0xFFFF0000)),
3285 (PKHBT GPR:$Rn, GPR:$Rm, 0)>;
3286 def : ARMV6Pat<(or (and GPR:$Rn, 0xFFFF), (shl GPR:$Rm, imm16_31:$sh)),
3287 (PKHBT GPR:$Rn, GPR:$Rm, imm16_31:$sh)>;
3289 // Note: Shifts of 1-15 bits will be transformed to srl instead of sra and
3290 // will match the pattern below.
3291 def PKHTB : APKHI<0b01101000, 1, (outs GPR:$Rd),
3292 (ins GPR:$Rn, GPR:$Rm, pkh_asr_amt:$sh),
3293 IIC_iBITsi, "pkhtb", "\t$Rd, $Rn, $Rm$sh",
3294 [(set GPR:$Rd, (or (and GPR:$Rn, 0xFFFF0000),
3295 (and (sra GPR:$Rm, pkh_asr_amt:$sh),
3297 Requires<[IsARM, HasV6]>;
3299 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
3300 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
3301 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000), (srl GPR:$src2, imm16_31:$sh)),
3302 (PKHTB GPR:$src1, GPR:$src2, imm16_31:$sh)>;
3303 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000),
3304 (and (srl GPR:$src2, imm1_15:$sh), 0xFFFF)),
3305 (PKHTB GPR:$src1, GPR:$src2, imm1_15:$sh)>;
3307 //===----------------------------------------------------------------------===//
3308 // Comparison Instructions...
3311 defm CMP : AI1_cmp_irs<0b1010, "cmp",
3312 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
3313 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
3315 // ARMcmpZ can re-use the above instruction definitions.
3316 def : ARMPat<(ARMcmpZ GPR:$src, so_imm:$imm),
3317 (CMPri GPR:$src, so_imm:$imm)>;
3318 def : ARMPat<(ARMcmpZ GPR:$src, GPR:$rhs),
3319 (CMPrr GPR:$src, GPR:$rhs)>;
3320 def : ARMPat<(ARMcmpZ GPR:$src, so_reg_imm:$rhs),
3321 (CMPrsi GPR:$src, so_reg_imm:$rhs)>;
3322 def : ARMPat<(ARMcmpZ GPR:$src, so_reg_reg:$rhs),
3323 (CMPrsr GPR:$src, so_reg_reg:$rhs)>;
3325 // FIXME: We have to be careful when using the CMN instruction and comparison
3326 // with 0. One would expect these two pieces of code should give identical
3342 // However, the CMN gives the *opposite* result when r1 is 0. This is because
3343 // the carry flag is set in the CMP case but not in the CMN case. In short, the
3344 // CMP instruction doesn't perform a truncate of the (logical) NOT of 0 plus the
3345 // value of r0 and the carry bit (because the "carry bit" parameter to
3346 // AddWithCarry is defined as 1 in this case, the carry flag will always be set
3347 // when r0 >= 0). The CMN instruction doesn't perform a NOT of 0 so there is
3348 // never a "carry" when this AddWithCarry is performed (because the "carry bit"
3349 // parameter to AddWithCarry is defined as 0).
3351 // When x is 0 and unsigned:
3355 // ~x + 1 = 0x1 0000 0000
3356 // (-x = 0) != (0x1 0000 0000 = ~x + 1)
3358 // Therefore, we should disable CMN when comparing against zero, until we can
3359 // limit when the CMN instruction is used (when we know that the RHS is not 0 or
3360 // when it's a comparison which doesn't look at the 'carry' flag).
3362 // (See the ARM docs for the "AddWithCarry" pseudo-code.)
3364 // This is related to <rdar://problem/7569620>.
3366 //defm CMN : AI1_cmp_irs<0b1011, "cmn",
3367 // BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
3369 // Note that TST/TEQ don't set all the same flags that CMP does!
3370 defm TST : AI1_cmp_irs<0b1000, "tst",
3371 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
3372 BinOpFrag<(ARMcmpZ (and_su node:$LHS, node:$RHS), 0)>, 1>;
3373 defm TEQ : AI1_cmp_irs<0b1001, "teq",
3374 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
3375 BinOpFrag<(ARMcmpZ (xor_su node:$LHS, node:$RHS), 0)>, 1>;
3377 defm CMNz : AI1_cmp_irs<0b1011, "cmn",
3378 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
3379 BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>>;
3381 //def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
3382 // (CMNri GPR:$src, so_imm_neg:$imm)>;
3384 def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
3385 (CMNzri GPR:$src, so_imm_neg:$imm)>;
3387 // Pseudo i64 compares for some floating point compares.
3388 let usesCustomInserter = 1, isBranch = 1, isTerminator = 1,
3390 def BCCi64 : PseudoInst<(outs),
3391 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, brtarget:$dst),
3393 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, bb:$dst)]>;
3395 def BCCZi64 : PseudoInst<(outs),
3396 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, brtarget:$dst), IIC_Br,
3397 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, 0, 0, bb:$dst)]>;
3398 } // usesCustomInserter
3401 // Conditional moves
3402 // FIXME: should be able to write a pattern for ARMcmov, but can't use
3403 // a two-value operand where a dag node expects two operands. :(
3404 let neverHasSideEffects = 1 in {
3405 def MOVCCr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$false, GPR:$Rm, pred:$p),
3407 [/*(set GPR:$Rd, (ARMcmov GPR:$false, GPR:$Rm, imm:$cc, CCR:$ccr))*/]>,
3408 RegConstraint<"$false = $Rd">;
3409 def MOVCCsi : ARMPseudoInst<(outs GPR:$Rd),
3410 (ins GPR:$false, so_reg_imm:$shift, pred:$p),
3412 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_reg_imm:$shift, imm:$cc, CCR:$ccr))*/]>,
3413 RegConstraint<"$false = $Rd">;
3414 def MOVCCsr : ARMPseudoInst<(outs GPR:$Rd),
3415 (ins GPR:$false, so_reg_reg:$shift, pred:$p),
3417 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_reg_reg:$shift, imm:$cc, CCR:$ccr))*/]>,
3418 RegConstraint<"$false = $Rd">;
3421 let isMoveImm = 1 in
3422 def MOVCCi16 : ARMPseudoInst<(outs GPR:$Rd),
3423 (ins GPR:$false, imm0_65535_expr:$imm, pred:$p),
3426 RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>;
3428 let isMoveImm = 1 in
3429 def MOVCCi : ARMPseudoInst<(outs GPR:$Rd),
3430 (ins GPR:$false, so_imm:$imm, pred:$p),
3432 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm:$imm, imm:$cc, CCR:$ccr))*/]>,
3433 RegConstraint<"$false = $Rd">;
3435 // Two instruction predicate mov immediate.
3436 let isMoveImm = 1 in
3437 def MOVCCi32imm : ARMPseudoInst<(outs GPR:$Rd),
3438 (ins GPR:$false, i32imm:$src, pred:$p),
3439 8, IIC_iCMOVix2, []>, RegConstraint<"$false = $Rd">;
3441 let isMoveImm = 1 in
3442 def MVNCCi : ARMPseudoInst<(outs GPR:$Rd),
3443 (ins GPR:$false, so_imm:$imm, pred:$p),
3445 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm_not:$imm, imm:$cc, CCR:$ccr))*/]>,
3446 RegConstraint<"$false = $Rd">;
3447 } // neverHasSideEffects
3449 //===----------------------------------------------------------------------===//
3450 // Atomic operations intrinsics
3453 def memb_opt : Operand<i32> {
3454 let PrintMethod = "printMemBOption";
3455 let ParserMatchClass = MemBarrierOptOperand;
3458 // memory barriers protect the atomic sequences
3459 let hasSideEffects = 1 in {
3460 def DMB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
3461 "dmb", "\t$opt", [(ARMMemBarrier (i32 imm:$opt))]>,
3462 Requires<[IsARM, HasDB]> {
3464 let Inst{31-4} = 0xf57ff05;
3465 let Inst{3-0} = opt;
3469 def DSB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
3470 "dsb", "\t$opt", []>,
3471 Requires<[IsARM, HasDB]> {
3473 let Inst{31-4} = 0xf57ff04;
3474 let Inst{3-0} = opt;
3477 // ISB has only full system option
3478 def ISB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
3479 "isb", "\t$opt", []>,
3480 Requires<[IsARM, HasDB]> {
3482 let Inst{31-4} = 0xf57ff06;
3483 let Inst{3-0} = opt;
3486 let usesCustomInserter = 1 in {
3487 let Uses = [CPSR] in {
3488 def ATOMIC_LOAD_ADD_I8 : PseudoInst<
3489 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3490 [(set GPR:$dst, (atomic_load_add_8 GPR:$ptr, GPR:$incr))]>;
3491 def ATOMIC_LOAD_SUB_I8 : PseudoInst<
3492 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3493 [(set GPR:$dst, (atomic_load_sub_8 GPR:$ptr, GPR:$incr))]>;
3494 def ATOMIC_LOAD_AND_I8 : PseudoInst<
3495 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3496 [(set GPR:$dst, (atomic_load_and_8 GPR:$ptr, GPR:$incr))]>;
3497 def ATOMIC_LOAD_OR_I8 : PseudoInst<
3498 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3499 [(set GPR:$dst, (atomic_load_or_8 GPR:$ptr, GPR:$incr))]>;
3500 def ATOMIC_LOAD_XOR_I8 : PseudoInst<
3501 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3502 [(set GPR:$dst, (atomic_load_xor_8 GPR:$ptr, GPR:$incr))]>;
3503 def ATOMIC_LOAD_NAND_I8 : PseudoInst<
3504 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3505 [(set GPR:$dst, (atomic_load_nand_8 GPR:$ptr, GPR:$incr))]>;
3506 def ATOMIC_LOAD_MIN_I8 : PseudoInst<
3507 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3508 [(set GPR:$dst, (atomic_load_min_8 GPR:$ptr, GPR:$val))]>;
3509 def ATOMIC_LOAD_MAX_I8 : PseudoInst<
3510 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3511 [(set GPR:$dst, (atomic_load_max_8 GPR:$ptr, GPR:$val))]>;
3512 def ATOMIC_LOAD_UMIN_I8 : PseudoInst<
3513 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3514 [(set GPR:$dst, (atomic_load_min_8 GPR:$ptr, GPR:$val))]>;
3515 def ATOMIC_LOAD_UMAX_I8 : PseudoInst<
3516 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3517 [(set GPR:$dst, (atomic_load_max_8 GPR:$ptr, GPR:$val))]>;
3518 def ATOMIC_LOAD_ADD_I16 : PseudoInst<
3519 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3520 [(set GPR:$dst, (atomic_load_add_16 GPR:$ptr, GPR:$incr))]>;
3521 def ATOMIC_LOAD_SUB_I16 : PseudoInst<
3522 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3523 [(set GPR:$dst, (atomic_load_sub_16 GPR:$ptr, GPR:$incr))]>;
3524 def ATOMIC_LOAD_AND_I16 : PseudoInst<
3525 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3526 [(set GPR:$dst, (atomic_load_and_16 GPR:$ptr, GPR:$incr))]>;
3527 def ATOMIC_LOAD_OR_I16 : PseudoInst<
3528 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3529 [(set GPR:$dst, (atomic_load_or_16 GPR:$ptr, GPR:$incr))]>;
3530 def ATOMIC_LOAD_XOR_I16 : PseudoInst<
3531 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3532 [(set GPR:$dst, (atomic_load_xor_16 GPR:$ptr, GPR:$incr))]>;
3533 def ATOMIC_LOAD_NAND_I16 : PseudoInst<
3534 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3535 [(set GPR:$dst, (atomic_load_nand_16 GPR:$ptr, GPR:$incr))]>;
3536 def ATOMIC_LOAD_MIN_I16 : PseudoInst<
3537 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3538 [(set GPR:$dst, (atomic_load_min_16 GPR:$ptr, GPR:$val))]>;
3539 def ATOMIC_LOAD_MAX_I16 : PseudoInst<
3540 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3541 [(set GPR:$dst, (atomic_load_max_16 GPR:$ptr, GPR:$val))]>;
3542 def ATOMIC_LOAD_UMIN_I16 : PseudoInst<
3543 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3544 [(set GPR:$dst, (atomic_load_min_16 GPR:$ptr, GPR:$val))]>;
3545 def ATOMIC_LOAD_UMAX_I16 : PseudoInst<
3546 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3547 [(set GPR:$dst, (atomic_load_max_16 GPR:$ptr, GPR:$val))]>;
3548 def ATOMIC_LOAD_ADD_I32 : PseudoInst<
3549 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3550 [(set GPR:$dst, (atomic_load_add_32 GPR:$ptr, GPR:$incr))]>;
3551 def ATOMIC_LOAD_SUB_I32 : PseudoInst<
3552 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3553 [(set GPR:$dst, (atomic_load_sub_32 GPR:$ptr, GPR:$incr))]>;
3554 def ATOMIC_LOAD_AND_I32 : PseudoInst<
3555 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3556 [(set GPR:$dst, (atomic_load_and_32 GPR:$ptr, GPR:$incr))]>;
3557 def ATOMIC_LOAD_OR_I32 : PseudoInst<
3558 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3559 [(set GPR:$dst, (atomic_load_or_32 GPR:$ptr, GPR:$incr))]>;
3560 def ATOMIC_LOAD_XOR_I32 : PseudoInst<
3561 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3562 [(set GPR:$dst, (atomic_load_xor_32 GPR:$ptr, GPR:$incr))]>;
3563 def ATOMIC_LOAD_NAND_I32 : PseudoInst<
3564 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3565 [(set GPR:$dst, (atomic_load_nand_32 GPR:$ptr, GPR:$incr))]>;
3566 def ATOMIC_LOAD_MIN_I32 : PseudoInst<
3567 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3568 [(set GPR:$dst, (atomic_load_min_32 GPR:$ptr, GPR:$val))]>;
3569 def ATOMIC_LOAD_MAX_I32 : PseudoInst<
3570 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3571 [(set GPR:$dst, (atomic_load_max_32 GPR:$ptr, GPR:$val))]>;
3572 def ATOMIC_LOAD_UMIN_I32 : PseudoInst<
3573 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3574 [(set GPR:$dst, (atomic_load_min_32 GPR:$ptr, GPR:$val))]>;
3575 def ATOMIC_LOAD_UMAX_I32 : PseudoInst<
3576 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3577 [(set GPR:$dst, (atomic_load_max_32 GPR:$ptr, GPR:$val))]>;
3579 def ATOMIC_SWAP_I8 : PseudoInst<
3580 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
3581 [(set GPR:$dst, (atomic_swap_8 GPR:$ptr, GPR:$new))]>;
3582 def ATOMIC_SWAP_I16 : PseudoInst<
3583 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
3584 [(set GPR:$dst, (atomic_swap_16 GPR:$ptr, GPR:$new))]>;
3585 def ATOMIC_SWAP_I32 : PseudoInst<
3586 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
3587 [(set GPR:$dst, (atomic_swap_32 GPR:$ptr, GPR:$new))]>;
3589 def ATOMIC_CMP_SWAP_I8 : PseudoInst<
3590 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
3591 [(set GPR:$dst, (atomic_cmp_swap_8 GPR:$ptr, GPR:$old, GPR:$new))]>;
3592 def ATOMIC_CMP_SWAP_I16 : PseudoInst<
3593 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
3594 [(set GPR:$dst, (atomic_cmp_swap_16 GPR:$ptr, GPR:$old, GPR:$new))]>;
3595 def ATOMIC_CMP_SWAP_I32 : PseudoInst<
3596 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
3597 [(set GPR:$dst, (atomic_cmp_swap_32 GPR:$ptr, GPR:$old, GPR:$new))]>;
3601 let mayLoad = 1 in {
3602 def LDREXB : AIldrex<0b10, (outs GPR:$Rt), (ins addrmode7:$addr), NoItinerary,
3603 "ldrexb", "\t$Rt, $addr", []>;
3604 def LDREXH : AIldrex<0b11, (outs GPR:$Rt), (ins addrmode7:$addr), NoItinerary,
3605 "ldrexh", "\t$Rt, $addr", []>;
3606 def LDREX : AIldrex<0b00, (outs GPR:$Rt), (ins addrmode7:$addr), NoItinerary,
3607 "ldrex", "\t$Rt, $addr", []>;
3608 let hasExtraDefRegAllocReq = 1 in
3609 def LDREXD : AIldrex<0b01, (outs GPR:$Rt, GPR:$Rt2), (ins addrmode7:$addr),
3610 NoItinerary, "ldrexd", "\t$Rt, $Rt2, $addr", []>;
3613 let mayStore = 1, Constraints = "@earlyclobber $Rd" in {
3614 def STREXB : AIstrex<0b10, (outs GPR:$Rd), (ins GPR:$Rt, addrmode7:$addr),
3615 NoItinerary, "strexb", "\t$Rd, $Rt, $addr", []>;
3616 def STREXH : AIstrex<0b11, (outs GPR:$Rd), (ins GPR:$Rt, addrmode7:$addr),
3617 NoItinerary, "strexh", "\t$Rd, $Rt, $addr", []>;
3618 def STREX : AIstrex<0b00, (outs GPR:$Rd), (ins GPR:$Rt, addrmode7:$addr),
3619 NoItinerary, "strex", "\t$Rd, $Rt, $addr", []>;
3622 let hasExtraSrcRegAllocReq = 1, Constraints = "@earlyclobber $Rd" in
3623 def STREXD : AIstrex<0b01, (outs GPR:$Rd),
3624 (ins GPR:$Rt, GPR:$Rt2, addrmode7:$addr),
3625 NoItinerary, "strexd", "\t$Rd, $Rt, $Rt2, $addr", []>;
3627 // Clear-Exclusive is for disassembly only.
3628 def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex",
3629 [/* For disassembly only; pattern left blank */]>,
3630 Requires<[IsARM, HasV7]> {
3631 let Inst{31-0} = 0b11110101011111111111000000011111;
3634 // SWP/SWPB are deprecated in V6/V7 and for disassembly only.
3635 let mayLoad = 1 in {
3636 def SWP : AIswp<0, (outs GPR:$Rt), (ins GPR:$Rt2, GPR:$Rn), "swp",
3637 [/* For disassembly only; pattern left blank */]>;
3638 def SWPB : AIswp<1, (outs GPR:$Rt), (ins GPR:$Rt2, GPR:$Rn), "swpb",
3639 [/* For disassembly only; pattern left blank */]>;
3642 //===----------------------------------------------------------------------===//
3643 // Coprocessor Instructions.
3646 def CDP : ABI<0b1110, (outs), (ins p_imm:$cop, imm0_15:$opc1,
3647 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, imm0_7:$opc2),
3648 NoItinerary, "cdp", "\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
3649 [(int_arm_cdp imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
3650 imm:$CRm, imm:$opc2)]> {
3658 let Inst{3-0} = CRm;
3660 let Inst{7-5} = opc2;
3661 let Inst{11-8} = cop;
3662 let Inst{15-12} = CRd;
3663 let Inst{19-16} = CRn;
3664 let Inst{23-20} = opc1;
3667 def CDP2 : ABXI<0b1110, (outs), (ins p_imm:$cop, imm0_15:$opc1,
3668 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, imm0_7:$opc2),
3669 NoItinerary, "cdp2\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
3670 [(int_arm_cdp2 imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
3671 imm:$CRm, imm:$opc2)]> {
3672 let Inst{31-28} = 0b1111;
3680 let Inst{3-0} = CRm;
3682 let Inst{7-5} = opc2;
3683 let Inst{11-8} = cop;
3684 let Inst{15-12} = CRd;
3685 let Inst{19-16} = CRn;
3686 let Inst{23-20} = opc1;
3689 class ACI<dag oops, dag iops, string opc, string asm,
3690 IndexMode im = IndexModeNone>
3691 : InoP<oops, iops, AddrModeNone, 4, im, BrFrm, NoItinerary,
3692 opc, asm, "", [/* For disassembly only; pattern left blank */]> {
3693 let Inst{27-25} = 0b110;
3696 multiclass LdStCop<bits<4> op31_28, bit load, dag ops, string opc, string cond>{
3698 def _OFFSET : ACI<(outs),
3699 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
3700 !strconcat(opc, cond), "\tp$cop, cr$CRd, $addr"> {
3701 let Inst{31-28} = op31_28;
3702 let Inst{24} = 1; // P = 1
3703 let Inst{21} = 0; // W = 0
3704 let Inst{22} = 0; // D = 0
3705 let Inst{20} = load;
3708 def _PRE : ACI<(outs),
3709 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
3710 !strconcat(opc, cond), "\tp$cop, cr$CRd, $addr!", IndexModePre> {
3711 let Inst{31-28} = op31_28;
3712 let Inst{24} = 1; // P = 1
3713 let Inst{21} = 1; // W = 1
3714 let Inst{22} = 0; // D = 0
3715 let Inst{20} = load;
3718 def _POST : ACI<(outs),
3719 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
3720 !strconcat(opc, cond), "\tp$cop, cr$CRd, $addr", IndexModePost> {
3721 let Inst{31-28} = op31_28;
3722 let Inst{24} = 0; // P = 0
3723 let Inst{21} = 1; // W = 1
3724 let Inst{22} = 0; // D = 0
3725 let Inst{20} = load;
3728 def _OPTION : ACI<(outs),
3729 !con((ins nohash_imm:$cop,nohash_imm:$CRd,GPR:$base, nohash_imm:$option),
3731 !strconcat(opc, cond), "\tp$cop, cr$CRd, [$base], \\{$option\\}"> {
3732 let Inst{31-28} = op31_28;
3733 let Inst{24} = 0; // P = 0
3734 let Inst{23} = 1; // U = 1
3735 let Inst{21} = 0; // W = 0
3736 let Inst{22} = 0; // D = 0
3737 let Inst{20} = load;
3740 def L_OFFSET : ACI<(outs),
3741 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
3742 !strconcat(!strconcat(opc, "l"), cond), "\tp$cop, cr$CRd, $addr"> {
3743 let Inst{31-28} = op31_28;
3744 let Inst{24} = 1; // P = 1
3745 let Inst{21} = 0; // W = 0
3746 let Inst{22} = 1; // D = 1
3747 let Inst{20} = load;
3750 def L_PRE : ACI<(outs),
3751 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
3752 !strconcat(!strconcat(opc, "l"), cond), "\tp$cop, cr$CRd, $addr!",
3754 let Inst{31-28} = op31_28;
3755 let Inst{24} = 1; // P = 1
3756 let Inst{21} = 1; // W = 1
3757 let Inst{22} = 1; // D = 1
3758 let Inst{20} = load;
3761 def L_POST : ACI<(outs),
3762 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
3763 !strconcat(!strconcat(opc, "l"), cond), "\tp$cop, cr$CRd, $addr",
3765 let Inst{31-28} = op31_28;
3766 let Inst{24} = 0; // P = 0
3767 let Inst{21} = 1; // W = 1
3768 let Inst{22} = 1; // D = 1
3769 let Inst{20} = load;
3772 def L_OPTION : ACI<(outs),
3773 !con((ins nohash_imm:$cop, nohash_imm:$CRd,GPR:$base,nohash_imm:$option),
3775 !strconcat(!strconcat(opc, "l"), cond),
3776 "\tp$cop, cr$CRd, [$base], \\{$option\\}"> {
3777 let Inst{31-28} = op31_28;
3778 let Inst{24} = 0; // P = 0
3779 let Inst{23} = 1; // U = 1
3780 let Inst{21} = 0; // W = 0
3781 let Inst{22} = 1; // D = 1
3782 let Inst{20} = load;
3786 defm LDC : LdStCop<{?,?,?,?}, 1, (ins pred:$p), "ldc", "${p}">;
3787 defm LDC2 : LdStCop<0b1111, 1, (ins), "ldc2", "">;
3788 defm STC : LdStCop<{?,?,?,?}, 0, (ins pred:$p), "stc", "${p}">;
3789 defm STC2 : LdStCop<0b1111, 0, (ins), "stc2", "">;
3791 //===----------------------------------------------------------------------===//
3792 // Move between coprocessor and ARM core register -- for disassembly only
3795 class MovRCopro<string opc, bit direction, dag oops, dag iops,
3797 : ABI<0b1110, oops, iops, NoItinerary, opc,
3798 "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2", pattern> {
3799 let Inst{20} = direction;
3809 let Inst{15-12} = Rt;
3810 let Inst{11-8} = cop;
3811 let Inst{23-21} = opc1;
3812 let Inst{7-5} = opc2;
3813 let Inst{3-0} = CRm;
3814 let Inst{19-16} = CRn;
3817 def MCR : MovRCopro<"mcr", 0 /* from ARM core register to coprocessor */,
3819 (ins p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
3820 c_imm:$CRm, imm0_7:$opc2),
3821 [(int_arm_mcr imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
3822 imm:$CRm, imm:$opc2)]>;
3823 def MRC : MovRCopro<"mrc", 1 /* from coprocessor to ARM core register */,
3825 (ins p_imm:$cop, imm0_7:$opc1, c_imm:$CRn, c_imm:$CRm,
3828 def : ARMPat<(int_arm_mrc imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2),
3829 (MRC imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
3831 class MovRCopro2<string opc, bit direction, dag oops, dag iops,
3833 : ABXI<0b1110, oops, iops, NoItinerary,
3834 !strconcat(opc, "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2"), pattern> {
3835 let Inst{31-28} = 0b1111;
3836 let Inst{20} = direction;
3846 let Inst{15-12} = Rt;
3847 let Inst{11-8} = cop;
3848 let Inst{23-21} = opc1;
3849 let Inst{7-5} = opc2;
3850 let Inst{3-0} = CRm;
3851 let Inst{19-16} = CRn;
3854 def MCR2 : MovRCopro2<"mcr2", 0 /* from ARM core register to coprocessor */,
3856 (ins p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
3857 c_imm:$CRm, imm0_7:$opc2),
3858 [(int_arm_mcr2 imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
3859 imm:$CRm, imm:$opc2)]>;
3860 def MRC2 : MovRCopro2<"mrc2", 1 /* from coprocessor to ARM core register */,
3862 (ins p_imm:$cop, imm0_7:$opc1, c_imm:$CRn, c_imm:$CRm,
3865 def : ARMV5TPat<(int_arm_mrc2 imm:$cop, imm:$opc1, imm:$CRn,
3866 imm:$CRm, imm:$opc2),
3867 (MRC2 imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
3869 class MovRRCopro<string opc, bit direction,
3870 list<dag> pattern = [/* For disassembly only */]>
3871 : ABI<0b1100, (outs), (ins p_imm:$cop, imm0_15:$opc1,
3872 GPR:$Rt, GPR:$Rt2, c_imm:$CRm),
3873 NoItinerary, opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm", pattern> {
3874 let Inst{23-21} = 0b010;
3875 let Inst{20} = direction;
3883 let Inst{15-12} = Rt;
3884 let Inst{19-16} = Rt2;
3885 let Inst{11-8} = cop;
3886 let Inst{7-4} = opc1;
3887 let Inst{3-0} = CRm;
3890 def MCRR : MovRRCopro<"mcrr", 0 /* from ARM core register to coprocessor */,
3891 [(int_arm_mcrr imm:$cop, imm:$opc1, GPR:$Rt, GPR:$Rt2,
3893 def MRRC : MovRRCopro<"mrrc", 1 /* from coprocessor to ARM core register */>;
3895 class MovRRCopro2<string opc, bit direction,
3896 list<dag> pattern = [/* For disassembly only */]>
3897 : ABXI<0b1100, (outs), (ins p_imm:$cop, imm0_15:$opc1,
3898 GPR:$Rt, GPR:$Rt2, c_imm:$CRm), NoItinerary,
3899 !strconcat(opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm"), pattern> {
3900 let Inst{31-28} = 0b1111;
3901 let Inst{23-21} = 0b010;
3902 let Inst{20} = direction;
3910 let Inst{15-12} = Rt;
3911 let Inst{19-16} = Rt2;
3912 let Inst{11-8} = cop;
3913 let Inst{7-4} = opc1;
3914 let Inst{3-0} = CRm;
3917 def MCRR2 : MovRRCopro2<"mcrr2", 0 /* from ARM core register to coprocessor */,
3918 [(int_arm_mcrr2 imm:$cop, imm:$opc1, GPR:$Rt, GPR:$Rt2,
3920 def MRRC2 : MovRRCopro2<"mrrc2", 1 /* from coprocessor to ARM core register */>;
3922 //===----------------------------------------------------------------------===//
3923 // Move between special register and ARM core register
3926 // Move to ARM core register from Special Register
3927 def MRS : ABI<0b0001, (outs GPR:$Rd), (ins), NoItinerary,
3928 "mrs", "\t$Rd, apsr", []> {
3930 let Inst{23-16} = 0b00001111;
3931 let Inst{15-12} = Rd;
3932 let Inst{7-4} = 0b0000;
3935 def : InstAlias<"mrs${p} $Rd, cpsr", (MRS GPR:$Rd, pred:$p)>, Requires<[IsARM]>;
3937 def MRSsys : ABI<0b0001, (outs GPR:$Rd), (ins), NoItinerary,
3938 "mrs", "\t$Rd, spsr", []> {
3940 let Inst{23-16} = 0b01001111;
3941 let Inst{15-12} = Rd;
3942 let Inst{7-4} = 0b0000;
3945 // Move from ARM core register to Special Register
3947 // No need to have both system and application versions, the encodings are the
3948 // same and the assembly parser has no way to distinguish between them. The mask
3949 // operand contains the special register (R Bit) in bit 4 and bits 3-0 contains
3950 // the mask with the fields to be accessed in the special register.
3951 def MSR : ABI<0b0001, (outs), (ins msr_mask:$mask, GPR:$Rn), NoItinerary,
3952 "msr", "\t$mask, $Rn", []> {
3957 let Inst{22} = mask{4}; // R bit
3958 let Inst{21-20} = 0b10;
3959 let Inst{19-16} = mask{3-0};
3960 let Inst{15-12} = 0b1111;
3961 let Inst{11-4} = 0b00000000;
3965 def MSRi : ABI<0b0011, (outs), (ins msr_mask:$mask, so_imm:$a), NoItinerary,
3966 "msr", "\t$mask, $a", []> {
3971 let Inst{22} = mask{4}; // R bit
3972 let Inst{21-20} = 0b10;
3973 let Inst{19-16} = mask{3-0};
3974 let Inst{15-12} = 0b1111;
3978 //===----------------------------------------------------------------------===//
3982 // __aeabi_read_tp preserves the registers r1-r3.
3983 // This is a pseudo inst so that we can get the encoding right,
3984 // complete with fixup for the aeabi_read_tp function.
3986 Defs = [R0, R12, LR, CPSR], Uses = [SP] in {
3987 def TPsoft : PseudoInst<(outs), (ins), IIC_Br,
3988 [(set R0, ARMthread_pointer)]>;
3991 //===----------------------------------------------------------------------===//
3992 // SJLJ Exception handling intrinsics
3993 // eh_sjlj_setjmp() is an instruction sequence to store the return
3994 // address and save #0 in R0 for the non-longjmp case.
3995 // Since by its nature we may be coming from some other function to get
3996 // here, and we're using the stack frame for the containing function to
3997 // save/restore registers, we can't keep anything live in regs across
3998 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
3999 // when we get here from a longjmp(). We force everything out of registers
4000 // except for our own input by listing the relevant registers in Defs. By
4001 // doing so, we also cause the prologue/epilogue code to actively preserve
4002 // all of the callee-saved resgisters, which is exactly what we want.
4003 // A constant value is passed in $val, and we use the location as a scratch.
4005 // These are pseudo-instructions and are lowered to individual MC-insts, so
4006 // no encoding information is necessary.
4008 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR,
4009 QQQQ0, QQQQ1, QQQQ2, QQQQ3 ], hasSideEffects = 1, isBarrier = 1 in {
4010 def Int_eh_sjlj_setjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
4012 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
4013 Requires<[IsARM, HasVFP2]>;
4017 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR ],
4018 hasSideEffects = 1, isBarrier = 1 in {
4019 def Int_eh_sjlj_setjmp_nofp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
4021 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
4022 Requires<[IsARM, NoVFP]>;
4025 // FIXME: Non-Darwin version(s)
4026 let isBarrier = 1, hasSideEffects = 1, isTerminator = 1,
4027 Defs = [ R7, LR, SP ] in {
4028 def Int_eh_sjlj_longjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$scratch),
4030 [(ARMeh_sjlj_longjmp GPR:$src, GPR:$scratch)]>,
4031 Requires<[IsARM, IsDarwin]>;
4034 // eh.sjlj.dispatchsetup pseudo-instruction.
4035 // This pseudo is used for ARM, Thumb1 and Thumb2. Any differences are
4036 // handled when the pseudo is expanded (which happens before any passes
4037 // that need the instruction size).
4038 let isBarrier = 1, hasSideEffects = 1 in
4039 def Int_eh_sjlj_dispatchsetup :
4040 PseudoInst<(outs), (ins GPR:$src), NoItinerary,
4041 [(ARMeh_sjlj_dispatchsetup GPR:$src)]>,
4042 Requires<[IsDarwin]>;
4044 //===----------------------------------------------------------------------===//
4045 // Non-Instruction Patterns
4048 // ARMv4 indirect branch using (MOVr PC, dst)
4049 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in
4050 def MOVPCRX : ARMPseudoExpand<(outs), (ins GPR:$dst),
4051 4, IIC_Br, [(brind GPR:$dst)],
4052 (MOVr PC, GPR:$dst, (ops 14, zero_reg), zero_reg)>,
4053 Requires<[IsARM, NoV4T]>;
4055 // Large immediate handling.
4057 // 32-bit immediate using two piece so_imms or movw + movt.
4058 // This is a single pseudo instruction, the benefit is that it can be remat'd
4059 // as a single unit instead of having to handle reg inputs.
4060 // FIXME: Remove this when we can do generalized remat.
4061 let isReMaterializable = 1, isMoveImm = 1 in
4062 def MOVi32imm : PseudoInst<(outs GPR:$dst), (ins i32imm:$src), IIC_iMOVix2,
4063 [(set GPR:$dst, (arm_i32imm:$src))]>,
4066 // Pseudo instruction that combines movw + movt + add pc (if PIC).
4067 // It also makes it possible to rematerialize the instructions.
4068 // FIXME: Remove this when we can do generalized remat and when machine licm
4069 // can properly the instructions.
4070 let isReMaterializable = 1 in {
4071 def MOV_ga_pcrel : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
4073 [(set GPR:$dst, (ARMWrapperPIC tglobaladdr:$addr))]>,
4074 Requires<[IsARM, UseMovt]>;
4076 def MOV_ga_dyn : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
4078 [(set GPR:$dst, (ARMWrapperDYN tglobaladdr:$addr))]>,
4079 Requires<[IsARM, UseMovt]>;
4081 let AddedComplexity = 10 in
4082 def MOV_ga_pcrel_ldr : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
4084 [(set GPR:$dst, (load (ARMWrapperPIC tglobaladdr:$addr)))]>,
4085 Requires<[IsARM, UseMovt]>;
4086 } // isReMaterializable
4088 // ConstantPool, GlobalAddress, and JumpTable
4089 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>,
4090 Requires<[IsARM, DontUseMovt]>;
4091 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
4092 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
4093 Requires<[IsARM, UseMovt]>;
4094 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
4095 (LEApcrelJT tjumptable:$dst, imm:$id)>;
4097 // TODO: add,sub,and, 3-instr forms?
4100 def : ARMPat<(ARMtcret tcGPR:$dst),
4101 (TCRETURNri tcGPR:$dst)>, Requires<[IsDarwin]>;
4103 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
4104 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
4106 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
4107 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
4109 def : ARMPat<(ARMtcret tcGPR:$dst),
4110 (TCRETURNriND tcGPR:$dst)>, Requires<[IsNotDarwin]>;
4112 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
4113 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
4115 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
4116 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
4119 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>,
4120 Requires<[IsARM, IsNotDarwin]>;
4121 def : ARMPat<(ARMcall texternalsym:$func), (BLr9 texternalsym:$func)>,
4122 Requires<[IsARM, IsDarwin]>;
4124 // zextload i1 -> zextload i8
4125 def : ARMPat<(zextloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
4126 def : ARMPat<(zextloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
4128 // extload -> zextload
4129 def : ARMPat<(extloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
4130 def : ARMPat<(extloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
4131 def : ARMPat<(extloadi8 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
4132 def : ARMPat<(extloadi8 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
4134 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
4136 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
4137 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
4140 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
4141 (sra (shl GPR:$b, (i32 16)), (i32 16))),
4142 (SMULBB GPR:$a, GPR:$b)>;
4143 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
4144 (SMULBB GPR:$a, GPR:$b)>;
4145 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
4146 (sra GPR:$b, (i32 16))),
4147 (SMULBT GPR:$a, GPR:$b)>;
4148 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
4149 (SMULBT GPR:$a, GPR:$b)>;
4150 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
4151 (sra (shl GPR:$b, (i32 16)), (i32 16))),
4152 (SMULTB GPR:$a, GPR:$b)>;
4153 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
4154 (SMULTB GPR:$a, GPR:$b)>;
4155 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
4157 (SMULWB GPR:$a, GPR:$b)>;
4158 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
4159 (SMULWB GPR:$a, GPR:$b)>;
4161 def : ARMV5TEPat<(add GPR:$acc,
4162 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
4163 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
4164 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
4165 def : ARMV5TEPat<(add GPR:$acc,
4166 (mul sext_16_node:$a, sext_16_node:$b)),
4167 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
4168 def : ARMV5TEPat<(add GPR:$acc,
4169 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
4170 (sra GPR:$b, (i32 16)))),
4171 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
4172 def : ARMV5TEPat<(add GPR:$acc,
4173 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
4174 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
4175 def : ARMV5TEPat<(add GPR:$acc,
4176 (mul (sra GPR:$a, (i32 16)),
4177 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
4178 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
4179 def : ARMV5TEPat<(add GPR:$acc,
4180 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
4181 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
4182 def : ARMV5TEPat<(add GPR:$acc,
4183 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
4185 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
4186 def : ARMV5TEPat<(add GPR:$acc,
4187 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
4188 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
4191 // Pre-v7 uses MCR for synchronization barriers.
4192 def : ARMPat<(ARMMemBarrierMCR GPR:$zero), (MCR 15, 0, GPR:$zero, 7, 10, 5)>,
4193 Requires<[IsARM, HasV6]>;
4196 //===----------------------------------------------------------------------===//
4200 include "ARMInstrThumb.td"
4202 //===----------------------------------------------------------------------===//
4206 include "ARMInstrThumb2.td"
4208 //===----------------------------------------------------------------------===//
4209 // Floating Point Support
4212 include "ARMInstrVFP.td"
4214 //===----------------------------------------------------------------------===//
4215 // Advanced SIMD (NEON) Support
4218 include "ARMInstrNEON.td"
4220 //===----------------------------------------------------------------------===//
4221 // Assembler aliases
4225 def : InstAlias<"dmb", (DMB 0xf)>, Requires<[IsARM, HasDB]>;
4226 def : InstAlias<"dsb", (DSB 0xf)>, Requires<[IsARM, HasDB]>;
4227 def : InstAlias<"isb", (ISB 0xf)>, Requires<[IsARM, HasDB]>;
4229 // System instructions
4230 def : MnemonicAlias<"swi", "svc">;
4232 // Load / Store Multiple
4233 def : MnemonicAlias<"ldmfd", "ldm">;
4234 def : MnemonicAlias<"ldmia", "ldm">;
4235 def : MnemonicAlias<"stmfd", "stmdb">;
4236 def : MnemonicAlias<"stmia", "stm">;
4237 def : MnemonicAlias<"stmea", "stm">;
4239 // PKHBT/PKHTB with default shift amount. PKHTB is equivalent to PKHBT when the
4240 // shift amount is zero (i.e., unspecified).
4241 def : InstAlias<"pkhbt${p} $Rd, $Rn, $Rm",
4242 (PKHBT GPR:$Rd, GPR:$Rn, GPR:$Rm, 0, pred:$p)>;
4243 def : InstAlias<"pkhtb${p} $Rd, $Rn, $Rm",
4244 (PKHBT GPR:$Rd, GPR:$Rn, GPR:$Rm, 0, pred:$p)>;
4246 // PUSH/POP aliases for STM/LDM
4247 def : InstAlias<"push${p} $regs",
4248 (STMDB_UPD SP, pred:$p, reglist:$regs)>;
4249 def : InstAlias<"pop${p} $regs",
4250 (LDMIA_UPD SP, pred:$p, reglist:$regs)>;
4252 // RSB two-operand forms (optional explicit destination operand)
4253 def : InstAlias<"rsb${s}${p} $Rdn, $imm",
4254 (RSBri GPR:$Rdn, GPR:$Rdn, so_imm:$imm, pred:$p, cc_out:$s)>,
4256 def : InstAlias<"rsb${s}${p} $Rdn, $Rm",
4257 (RSBrr GPR:$Rdn, GPR:$Rdn, GPR:$Rm, pred:$p, cc_out:$s)>,
4259 def : InstAlias<"rsb${s}${p} $Rdn, $shift",
4260 (RSBrsi GPR:$Rdn, GPR:$Rdn, so_reg_imm:$shift, pred:$p,
4261 cc_out:$s)>, Requires<[IsARM]>;
4262 def : InstAlias<"rsb${s}${p} $Rdn, $shift",
4263 (RSBrsr GPR:$Rdn, GPR:$Rdn, so_reg_reg:$shift, pred:$p,
4264 cc_out:$s)>, Requires<[IsARM]>;
4265 // RSC two-operand forms (optional explicit destination operand)
4266 def : InstAlias<"rsc${s}${p} $Rdn, $imm",
4267 (RSCri GPR:$Rdn, GPR:$Rdn, so_imm:$imm, pred:$p, cc_out:$s)>,
4269 def : InstAlias<"rsc${s}${p} $Rdn, $Rm",
4270 (RSCrr GPR:$Rdn, GPR:$Rdn, GPR:$Rm, pred:$p, cc_out:$s)>,
4272 def : InstAlias<"rsc${s}${p} $Rdn, $shift",
4273 (RSCrsi GPR:$Rdn, GPR:$Rdn, so_reg_imm:$shift, pred:$p,
4274 cc_out:$s)>, Requires<[IsARM]>;
4275 def : InstAlias<"rsc${s}${p} $Rdn, $shift",
4276 (RSCrsr GPR:$Rdn, GPR:$Rdn, so_reg_reg:$shift, pred:$p,
4277 cc_out:$s)>, Requires<[IsARM]>;