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";
397 // shift_imm: An integer that encodes a shift amount and the type of shift
398 // (asr or lsl). The 6-bit immediate encodes as:
401 // {4-0} imm5 shift amount.
402 // asr #32 encoded as imm5 == 0.
403 def ShifterImmAsmOperand : AsmOperandClass {
404 let Name = "ShifterImm";
405 let ParserMethod = "parseShifterImm";
407 def shift_imm : Operand<i32> {
408 let PrintMethod = "printShiftImmOperand";
409 let ParserMatchClass = ShifterImmAsmOperand;
412 // shifter_operand operands: so_reg_reg, so_reg_imm, and so_imm.
413 def ShiftedRegAsmOperand : AsmOperandClass { let Name = "RegShiftedReg"; }
414 def so_reg_reg : Operand<i32>, // reg reg imm
415 ComplexPattern<i32, 3, "SelectRegShifterOperand",
416 [shl, srl, sra, rotr]> {
417 let EncoderMethod = "getSORegRegOpValue";
418 let PrintMethod = "printSORegRegOperand";
419 let ParserMatchClass = ShiftedRegAsmOperand;
420 let MIOperandInfo = (ops GPR, GPR, i32imm);
423 def ShiftedImmAsmOperand : AsmOperandClass { let Name = "RegShiftedImm"; }
424 def so_reg_imm : Operand<i32>, // reg imm
425 ComplexPattern<i32, 2, "SelectImmShifterOperand",
426 [shl, srl, sra, rotr]> {
427 let EncoderMethod = "getSORegImmOpValue";
428 let PrintMethod = "printSORegImmOperand";
429 let ParserMatchClass = ShiftedImmAsmOperand;
430 let MIOperandInfo = (ops GPR, i32imm);
433 // FIXME: Does this need to be distinct from so_reg?
434 def shift_so_reg_reg : Operand<i32>, // reg reg imm
435 ComplexPattern<i32, 3, "SelectShiftRegShifterOperand",
436 [shl,srl,sra,rotr]> {
437 let EncoderMethod = "getSORegRegOpValue";
438 let PrintMethod = "printSORegRegOperand";
439 let MIOperandInfo = (ops GPR, GPR, i32imm);
442 // FIXME: Does this need to be distinct from so_reg?
443 def shift_so_reg_imm : Operand<i32>, // reg reg imm
444 ComplexPattern<i32, 2, "SelectShiftImmShifterOperand",
445 [shl,srl,sra,rotr]> {
446 let EncoderMethod = "getSORegImmOpValue";
447 let PrintMethod = "printSORegImmOperand";
448 let MIOperandInfo = (ops GPR, i32imm);
452 // so_imm - Match a 32-bit shifter_operand immediate operand, which is an
453 // 8-bit immediate rotated by an arbitrary number of bits.
454 def SOImmAsmOperand: AsmOperandClass { let Name = "ARMSOImm"; }
455 def so_imm : Operand<i32>, ImmLeaf<i32, [{
456 return ARM_AM::getSOImmVal(Imm) != -1;
458 let EncoderMethod = "getSOImmOpValue";
459 let ParserMatchClass = SOImmAsmOperand;
462 // Break so_imm's up into two pieces. This handles immediates with up to 16
463 // bits set in them. This uses so_imm2part to match and so_imm2part_[12] to
464 // get the first/second pieces.
465 def so_imm2part : PatLeaf<(imm), [{
466 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
469 /// arm_i32imm - True for +V6T2, or true only if so_imm2part is true.
471 def arm_i32imm : PatLeaf<(imm), [{
472 if (Subtarget->hasV6T2Ops())
474 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
477 /// imm0_7 predicate - Immediate in the range [0,31].
478 def Imm0_7AsmOperand: AsmOperandClass { let Name = "Imm0_7"; }
479 def imm0_7 : Operand<i32>, ImmLeaf<i32, [{
480 return Imm >= 0 && Imm < 8;
482 let ParserMatchClass = Imm0_7AsmOperand;
485 /// imm0_15 predicate - Immediate in the range [0,31].
486 def Imm0_15AsmOperand: AsmOperandClass { let Name = "Imm0_15"; }
487 def imm0_15 : Operand<i32>, ImmLeaf<i32, [{
488 return Imm >= 0 && Imm < 16;
490 let ParserMatchClass = Imm0_15AsmOperand;
493 /// imm0_31 predicate - True if the 32-bit immediate is in the range [0,31].
494 def Imm0_31AsmOperand: AsmOperandClass { let Name = "Imm0_31"; }
495 def imm0_31 : Operand<i32>, ImmLeaf<i32, [{
496 return Imm >= 0 && Imm < 32;
498 let ParserMatchClass = Imm0_31AsmOperand;
501 /// imm0_31_m1 - Matches and prints like imm0_31, but encodes as 'value - 1'.
502 def imm0_31_m1 : Operand<i32>, ImmLeaf<i32, [{
503 return Imm >= 0 && Imm < 32;
505 let EncoderMethod = "getImmMinusOneOpValue";
508 // imm0_65535_expr - For movt/movw - 16-bit immediate that can also reference
509 // a relocatable expression.
511 // FIXME: This really needs a Thumb version separate from the ARM version.
512 // While the range is the same, and can thus use the same match class,
513 // the encoding is different so it should have a different encoder method.
514 def Imm0_65535ExprAsmOperand: AsmOperandClass { let Name = "Imm0_65535Expr"; }
515 def imm0_65535_expr : Operand<i32> {
516 let EncoderMethod = "getHiLo16ImmOpValue";
517 let ParserMatchClass = Imm0_65535ExprAsmOperand;
520 /// imm24b - True if the 32-bit immediate is encodable in 24 bits.
521 def Imm24bitAsmOperand: AsmOperandClass { let Name = "Imm24bit"; }
522 def imm24b : Operand<i32>, ImmLeaf<i32, [{
523 return Imm >= 0 && Imm <= 0xffffff;
525 let ParserMatchClass = Imm24bitAsmOperand;
529 /// bf_inv_mask_imm predicate - An AND mask to clear an arbitrary width bitfield
531 def bf_inv_mask_imm : Operand<i32>,
533 return ARM::isBitFieldInvertedMask(N->getZExtValue());
535 let EncoderMethod = "getBitfieldInvertedMaskOpValue";
536 let PrintMethod = "printBitfieldInvMaskImmOperand";
539 /// lsb_pos_imm - position of the lsb bit, used by BFI4p and t2BFI4p
540 def lsb_pos_imm : Operand<i32>, ImmLeaf<i32, [{
541 return isInt<5>(Imm);
544 /// width_imm - number of bits to be copied, used by BFI4p and t2BFI4p
545 def width_imm : Operand<i32>, ImmLeaf<i32, [{
546 return Imm > 0 && Imm <= 32;
548 let EncoderMethod = "getMsbOpValue";
551 def imm1_32_XFORM: SDNodeXForm<imm, [{
552 return CurDAG->getTargetConstant((int)N->getZExtValue() - 1, MVT::i32);
554 def Imm1_32AsmOperand: AsmOperandClass { let Name = "Imm1_32"; }
555 def imm1_32 : Operand<i32>, PatLeaf<(imm), [{ return Imm > 0 && Imm <= 32; }],
557 let PrintMethod = "printImmPlusOneOperand";
558 let ParserMatchClass = Imm1_32AsmOperand;
561 def imm1_16_XFORM: SDNodeXForm<imm, [{
562 return CurDAG->getTargetConstant((int)N->getZExtValue() - 1, MVT::i32);
564 def Imm1_16AsmOperand: AsmOperandClass { let Name = "Imm1_16"; }
565 def imm1_16 : Operand<i32>, PatLeaf<(imm), [{ return Imm > 0 && Imm <= 16; }],
567 let PrintMethod = "printImmPlusOneOperand";
568 let ParserMatchClass = Imm1_16AsmOperand;
571 // Define ARM specific addressing modes.
572 // addrmode_imm12 := reg +/- imm12
574 def addrmode_imm12 : Operand<i32>,
575 ComplexPattern<i32, 2, "SelectAddrModeImm12", []> {
576 // 12-bit immediate operand. Note that instructions using this encode
577 // #0 and #-0 differently. We flag #-0 as the magic value INT32_MIN. All other
578 // immediate values are as normal.
580 let EncoderMethod = "getAddrModeImm12OpValue";
581 let PrintMethod = "printAddrModeImm12Operand";
582 let MIOperandInfo = (ops GPR:$base, i32imm:$offsimm);
584 // ldst_so_reg := reg +/- reg shop imm
586 def ldst_so_reg : Operand<i32>,
587 ComplexPattern<i32, 3, "SelectLdStSOReg", []> {
588 let EncoderMethod = "getLdStSORegOpValue";
589 // FIXME: Simplify the printer
590 let PrintMethod = "printAddrMode2Operand";
591 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
594 // addrmode2 := reg +/- imm12
595 // := reg +/- reg shop imm
597 def MemMode2AsmOperand : AsmOperandClass {
598 let Name = "MemMode2";
599 let ParserMethod = "parseMemMode2Operand";
601 def addrmode2 : Operand<i32>,
602 ComplexPattern<i32, 3, "SelectAddrMode2", []> {
603 let EncoderMethod = "getAddrMode2OpValue";
604 let PrintMethod = "printAddrMode2Operand";
605 let ParserMatchClass = MemMode2AsmOperand;
606 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
609 def am2offset : Operand<i32>,
610 ComplexPattern<i32, 2, "SelectAddrMode2Offset",
611 [], [SDNPWantRoot]> {
612 let EncoderMethod = "getAddrMode2OffsetOpValue";
613 let PrintMethod = "printAddrMode2OffsetOperand";
614 let MIOperandInfo = (ops GPR, i32imm);
617 // addrmode3 := reg +/- reg
618 // addrmode3 := reg +/- imm8
620 def MemMode3AsmOperand : AsmOperandClass {
621 let Name = "MemMode3";
622 let ParserMethod = "parseMemMode3Operand";
624 def addrmode3 : Operand<i32>,
625 ComplexPattern<i32, 3, "SelectAddrMode3", []> {
626 let EncoderMethod = "getAddrMode3OpValue";
627 let PrintMethod = "printAddrMode3Operand";
628 let ParserMatchClass = MemMode3AsmOperand;
629 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
632 def am3offset : Operand<i32>,
633 ComplexPattern<i32, 2, "SelectAddrMode3Offset",
634 [], [SDNPWantRoot]> {
635 let EncoderMethod = "getAddrMode3OffsetOpValue";
636 let PrintMethod = "printAddrMode3OffsetOperand";
637 let MIOperandInfo = (ops GPR, i32imm);
640 // ldstm_mode := {ia, ib, da, db}
642 def ldstm_mode : OptionalDefOperand<OtherVT, (ops i32), (ops (i32 1))> {
643 let EncoderMethod = "getLdStmModeOpValue";
644 let PrintMethod = "printLdStmModeOperand";
647 // addrmode5 := reg +/- imm8*4
649 def MemMode5AsmOperand : AsmOperandClass { let Name = "MemMode5"; }
650 def addrmode5 : Operand<i32>,
651 ComplexPattern<i32, 2, "SelectAddrMode5", []> {
652 let PrintMethod = "printAddrMode5Operand";
653 let MIOperandInfo = (ops GPR:$base, i32imm);
654 let ParserMatchClass = MemMode5AsmOperand;
655 let EncoderMethod = "getAddrMode5OpValue";
658 // addrmode6 := reg with optional alignment
660 def addrmode6 : Operand<i32>,
661 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
662 let PrintMethod = "printAddrMode6Operand";
663 let MIOperandInfo = (ops GPR:$addr, i32imm);
664 let EncoderMethod = "getAddrMode6AddressOpValue";
667 def am6offset : Operand<i32>,
668 ComplexPattern<i32, 1, "SelectAddrMode6Offset",
669 [], [SDNPWantRoot]> {
670 let PrintMethod = "printAddrMode6OffsetOperand";
671 let MIOperandInfo = (ops GPR);
672 let EncoderMethod = "getAddrMode6OffsetOpValue";
675 // Special version of addrmode6 to handle alignment encoding for VST1/VLD1
676 // (single element from one lane) for size 32.
677 def addrmode6oneL32 : Operand<i32>,
678 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
679 let PrintMethod = "printAddrMode6Operand";
680 let MIOperandInfo = (ops GPR:$addr, i32imm);
681 let EncoderMethod = "getAddrMode6OneLane32AddressOpValue";
684 // Special version of addrmode6 to handle alignment encoding for VLD-dup
685 // instructions, specifically VLD4-dup.
686 def addrmode6dup : Operand<i32>,
687 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
688 let PrintMethod = "printAddrMode6Operand";
689 let MIOperandInfo = (ops GPR:$addr, i32imm);
690 let EncoderMethod = "getAddrMode6DupAddressOpValue";
693 // addrmodepc := pc + reg
695 def addrmodepc : Operand<i32>,
696 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
697 let PrintMethod = "printAddrModePCOperand";
698 let MIOperandInfo = (ops GPR, i32imm);
702 // Used by load/store exclusive instructions. Useful to enable right assembly
703 // parsing and printing. Not used for any codegen matching.
705 def MemMode7AsmOperand : AsmOperandClass { let Name = "MemMode7"; }
706 def addrmode7 : Operand<i32> {
707 let PrintMethod = "printAddrMode7Operand";
708 let MIOperandInfo = (ops GPR);
709 let ParserMatchClass = MemMode7AsmOperand;
712 def nohash_imm : Operand<i32> {
713 let PrintMethod = "printNoHashImmediate";
716 def CoprocNumAsmOperand : AsmOperandClass {
717 let Name = "CoprocNum";
718 let ParserMethod = "parseCoprocNumOperand";
720 def p_imm : Operand<i32> {
721 let PrintMethod = "printPImmediate";
722 let ParserMatchClass = CoprocNumAsmOperand;
725 def CoprocRegAsmOperand : AsmOperandClass {
726 let Name = "CoprocReg";
727 let ParserMethod = "parseCoprocRegOperand";
729 def c_imm : Operand<i32> {
730 let PrintMethod = "printCImmediate";
731 let ParserMatchClass = CoprocRegAsmOperand;
734 //===----------------------------------------------------------------------===//
736 include "ARMInstrFormats.td"
738 //===----------------------------------------------------------------------===//
739 // Multiclass helpers...
742 /// AsI1_bin_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns for a
743 /// binop that produces a value.
744 multiclass AsI1_bin_irs<bits<4> opcod, string opc,
745 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
746 PatFrag opnode, string baseOpc, bit Commutable = 0> {
747 // The register-immediate version is re-materializable. This is useful
748 // in particular for taking the address of a local.
749 let isReMaterializable = 1 in {
750 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
751 iii, opc, "\t$Rd, $Rn, $imm",
752 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]> {
757 let Inst{19-16} = Rn;
758 let Inst{15-12} = Rd;
759 let Inst{11-0} = imm;
762 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
763 iir, opc, "\t$Rd, $Rn, $Rm",
764 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
769 let isCommutable = Commutable;
770 let Inst{19-16} = Rn;
771 let Inst{15-12} = Rd;
772 let Inst{11-4} = 0b00000000;
776 def rsi : AsI1<opcod, (outs GPR:$Rd),
777 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm,
778 iis, opc, "\t$Rd, $Rn, $shift",
779 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_imm:$shift))]> {
784 let Inst{19-16} = Rn;
785 let Inst{15-12} = Rd;
786 let Inst{11-5} = shift{11-5};
788 let Inst{3-0} = shift{3-0};
791 def rsr : AsI1<opcod, (outs GPR:$Rd),
792 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm,
793 iis, opc, "\t$Rd, $Rn, $shift",
794 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_reg:$shift))]> {
799 let Inst{19-16} = Rn;
800 let Inst{15-12} = Rd;
801 let Inst{11-8} = shift{11-8};
803 let Inst{6-5} = shift{6-5};
805 let Inst{3-0} = shift{3-0};
808 // Assembly aliases for optional destination operand when it's the same
809 // as the source operand.
810 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $imm"),
811 (!cast<Instruction>(!strconcat(baseOpc, "ri")) GPR:$Rdn, GPR:$Rdn,
812 so_imm:$imm, pred:$p,
815 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $Rm"),
816 (!cast<Instruction>(!strconcat(baseOpc, "rr")) GPR:$Rdn, GPR:$Rdn,
820 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
821 (!cast<Instruction>(!strconcat(baseOpc, "rsi")) GPR:$Rdn, GPR:$Rdn,
822 so_reg_imm:$shift, pred:$p,
825 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
826 (!cast<Instruction>(!strconcat(baseOpc, "rsr")) GPR:$Rdn, GPR:$Rdn,
827 so_reg_reg:$shift, pred:$p,
833 /// AI1_bin_s_irs - Similar to AsI1_bin_irs except it sets the 's' bit so the
834 /// instruction modifies the CPSR register.
835 let isCodeGenOnly = 1, Defs = [CPSR] in {
836 multiclass AI1_bin_s_irs<bits<4> opcod, string opc,
837 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
838 PatFrag opnode, bit Commutable = 0> {
839 def ri : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
840 iii, opc, "\t$Rd, $Rn, $imm",
841 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]> {
847 let Inst{19-16} = Rn;
848 let Inst{15-12} = Rd;
849 let Inst{11-0} = imm;
851 def rr : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
852 iir, opc, "\t$Rd, $Rn, $Rm",
853 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
857 let isCommutable = Commutable;
860 let Inst{19-16} = Rn;
861 let Inst{15-12} = Rd;
862 let Inst{11-4} = 0b00000000;
865 def rsi : AI1<opcod, (outs GPR:$Rd),
866 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm,
867 iis, opc, "\t$Rd, $Rn, $shift",
868 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_imm:$shift))]> {
874 let Inst{19-16} = Rn;
875 let Inst{15-12} = Rd;
876 let Inst{11-5} = shift{11-5};
878 let Inst{3-0} = shift{3-0};
881 def rsr : AI1<opcod, (outs GPR:$Rd),
882 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm,
883 iis, opc, "\t$Rd, $Rn, $shift",
884 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_reg:$shift))]> {
890 let Inst{19-16} = Rn;
891 let Inst{15-12} = Rd;
892 let Inst{11-8} = shift{11-8};
894 let Inst{6-5} = shift{6-5};
896 let Inst{3-0} = shift{3-0};
901 /// AI1_cmp_irs - Defines a set of (op r, {so_imm|r|so_reg}) cmp / test
902 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
903 /// a explicit result, only implicitly set CPSR.
904 let isCompare = 1, Defs = [CPSR] in {
905 multiclass AI1_cmp_irs<bits<4> opcod, string opc,
906 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
907 PatFrag opnode, bit Commutable = 0> {
908 def ri : AI1<opcod, (outs), (ins GPR:$Rn, so_imm:$imm), DPFrm, iii,
910 [(opnode GPR:$Rn, so_imm:$imm)]> {
915 let Inst{19-16} = Rn;
916 let Inst{15-12} = 0b0000;
917 let Inst{11-0} = imm;
919 def rr : AI1<opcod, (outs), (ins GPR:$Rn, GPR:$Rm), DPFrm, iir,
921 [(opnode GPR:$Rn, GPR:$Rm)]> {
924 let isCommutable = Commutable;
927 let Inst{19-16} = Rn;
928 let Inst{15-12} = 0b0000;
929 let Inst{11-4} = 0b00000000;
932 def rsi : AI1<opcod, (outs),
933 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm, iis,
934 opc, "\t$Rn, $shift",
935 [(opnode GPR:$Rn, so_reg_imm:$shift)]> {
940 let Inst{19-16} = Rn;
941 let Inst{15-12} = 0b0000;
942 let Inst{11-5} = shift{11-5};
944 let Inst{3-0} = shift{3-0};
946 def rsr : AI1<opcod, (outs),
947 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm, iis,
948 opc, "\t$Rn, $shift",
949 [(opnode GPR:$Rn, so_reg_reg:$shift)]> {
954 let Inst{19-16} = Rn;
955 let Inst{15-12} = 0b0000;
956 let Inst{11-8} = shift{11-8};
958 let Inst{6-5} = shift{6-5};
960 let Inst{3-0} = shift{3-0};
966 /// AI_ext_rrot - A unary operation with two forms: one whose operand is a
967 /// register and one whose operand is a register rotated by 8/16/24.
968 /// FIXME: Remove the 'r' variant. Its rot_imm is zero.
969 multiclass AI_ext_rrot<bits<8> opcod, string opc, PatFrag opnode> {
970 def r : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm),
971 IIC_iEXTr, opc, "\t$Rd, $Rm",
972 [(set GPR:$Rd, (opnode GPR:$Rm))]>,
973 Requires<[IsARM, HasV6]> {
976 let Inst{19-16} = 0b1111;
977 let Inst{15-12} = Rd;
978 let Inst{11-10} = 0b00;
981 def r_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm, rot_imm:$rot),
982 IIC_iEXTr, opc, "\t$Rd, $Rm, ror $rot",
983 [(set GPR:$Rd, (opnode (rotr GPR:$Rm, rot_imm:$rot)))]>,
984 Requires<[IsARM, HasV6]> {
988 let Inst{19-16} = 0b1111;
989 let Inst{15-12} = Rd;
990 let Inst{11-10} = rot;
995 multiclass AI_ext_rrot_np<bits<8> opcod, string opc> {
996 def r : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm),
997 IIC_iEXTr, opc, "\t$Rd, $Rm",
998 [/* For disassembly only; pattern left blank */]>,
999 Requires<[IsARM, HasV6]> {
1000 let Inst{19-16} = 0b1111;
1001 let Inst{11-10} = 0b00;
1003 def r_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm, rot_imm:$rot),
1004 IIC_iEXTr, opc, "\t$Rd, $Rm, ror $rot",
1005 [/* For disassembly only; pattern left blank */]>,
1006 Requires<[IsARM, HasV6]> {
1008 let Inst{19-16} = 0b1111;
1009 let Inst{11-10} = rot;
1013 /// AI_exta_rrot - A binary operation with two forms: one whose operand is a
1014 /// register and one whose operand is a register rotated by 8/16/24.
1015 multiclass AI_exta_rrot<bits<8> opcod, string opc, PatFrag opnode> {
1016 def rr : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
1017 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm",
1018 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
1019 Requires<[IsARM, HasV6]> {
1023 let Inst{19-16} = Rn;
1024 let Inst{15-12} = Rd;
1025 let Inst{11-10} = 0b00;
1026 let Inst{9-4} = 0b000111;
1029 def rr_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
1031 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm, ror $rot",
1032 [(set GPR:$Rd, (opnode GPR:$Rn,
1033 (rotr GPR:$Rm, rot_imm:$rot)))]>,
1034 Requires<[IsARM, HasV6]> {
1039 let Inst{19-16} = Rn;
1040 let Inst{15-12} = Rd;
1041 let Inst{11-10} = rot;
1042 let Inst{9-4} = 0b000111;
1047 // For disassembly only.
1048 multiclass AI_exta_rrot_np<bits<8> opcod, string opc> {
1049 def rr : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
1050 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm",
1051 [/* For disassembly only; pattern left blank */]>,
1052 Requires<[IsARM, HasV6]> {
1053 let Inst{11-10} = 0b00;
1055 def rr_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
1057 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm, ror $rot",
1058 [/* For disassembly only; pattern left blank */]>,
1059 Requires<[IsARM, HasV6]> {
1062 let Inst{19-16} = Rn;
1063 let Inst{11-10} = rot;
1067 /// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
1068 multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode,
1069 string baseOpc, bit Commutable = 0> {
1070 let Uses = [CPSR] in {
1071 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
1072 DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
1073 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>,
1079 let Inst{15-12} = Rd;
1080 let Inst{19-16} = Rn;
1081 let Inst{11-0} = imm;
1083 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
1084 DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
1085 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
1090 let Inst{11-4} = 0b00000000;
1092 let isCommutable = Commutable;
1094 let Inst{15-12} = Rd;
1095 let Inst{19-16} = Rn;
1097 def rsi : AsI1<opcod, (outs GPR:$Rd),
1098 (ins GPR:$Rn, so_reg_imm:$shift),
1099 DPSoRegImmFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1100 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_imm:$shift))]>,
1106 let Inst{19-16} = Rn;
1107 let Inst{15-12} = Rd;
1108 let Inst{11-5} = shift{11-5};
1110 let Inst{3-0} = shift{3-0};
1112 def rsr : AsI1<opcod, (outs GPR:$Rd),
1113 (ins GPR:$Rn, so_reg_reg:$shift),
1114 DPSoRegRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1115 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_reg:$shift))]>,
1121 let Inst{19-16} = Rn;
1122 let Inst{15-12} = Rd;
1123 let Inst{11-8} = shift{11-8};
1125 let Inst{6-5} = shift{6-5};
1127 let Inst{3-0} = shift{3-0};
1130 // Assembly aliases for optional destination operand when it's the same
1131 // as the source operand.
1132 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $imm"),
1133 (!cast<Instruction>(!strconcat(baseOpc, "ri")) GPR:$Rdn, GPR:$Rdn,
1134 so_imm:$imm, pred:$p,
1137 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $Rm"),
1138 (!cast<Instruction>(!strconcat(baseOpc, "rr")) GPR:$Rdn, GPR:$Rdn,
1142 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
1143 (!cast<Instruction>(!strconcat(baseOpc, "rsi")) GPR:$Rdn, GPR:$Rdn,
1144 so_reg_imm:$shift, pred:$p,
1147 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
1148 (!cast<Instruction>(!strconcat(baseOpc, "rsr")) GPR:$Rdn, GPR:$Rdn,
1149 so_reg_reg:$shift, pred:$p,
1154 // Carry setting variants
1155 // NOTE: CPSR def omitted because it will be handled by the custom inserter.
1156 let usesCustomInserter = 1 in {
1157 multiclass AI1_adde_sube_s_irs<PatFrag opnode, bit Commutable = 0> {
1158 def ri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
1160 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>;
1161 def rr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
1163 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
1164 let isCommutable = Commutable;
1166 def rsi : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg_imm:$shift),
1168 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_imm:$shift))]>;
1169 def rsr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg_reg:$shift),
1171 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_reg:$shift))]>;
1175 let canFoldAsLoad = 1, isReMaterializable = 1 in {
1176 multiclass AI_ldr1<bit isByte, string opc, InstrItinClass iii,
1177 InstrItinClass iir, PatFrag opnode> {
1178 // Note: We use the complex addrmode_imm12 rather than just an input
1179 // GPR and a constrained immediate so that we can use this to match
1180 // frame index references and avoid matching constant pool references.
1181 def i12: AI2ldst<0b010, 1, isByte, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
1182 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
1183 [(set GPR:$Rt, (opnode addrmode_imm12:$addr))]> {
1186 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1187 let Inst{19-16} = addr{16-13}; // Rn
1188 let Inst{15-12} = Rt;
1189 let Inst{11-0} = addr{11-0}; // imm12
1191 def rs : AI2ldst<0b011, 1, isByte, (outs GPR:$Rt), (ins ldst_so_reg:$shift),
1192 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
1193 [(set GPR:$Rt, (opnode ldst_so_reg:$shift))]> {
1196 let shift{4} = 0; // Inst{4} = 0
1197 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1198 let Inst{19-16} = shift{16-13}; // Rn
1199 let Inst{15-12} = Rt;
1200 let Inst{11-0} = shift{11-0};
1205 multiclass AI_str1<bit isByte, string opc, InstrItinClass iii,
1206 InstrItinClass iir, PatFrag opnode> {
1207 // Note: We use the complex addrmode_imm12 rather than just an input
1208 // GPR and a constrained immediate so that we can use this to match
1209 // frame index references and avoid matching constant pool references.
1210 def i12 : AI2ldst<0b010, 0, isByte, (outs),
1211 (ins GPR:$Rt, addrmode_imm12:$addr),
1212 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
1213 [(opnode GPR:$Rt, addrmode_imm12:$addr)]> {
1216 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1217 let Inst{19-16} = addr{16-13}; // Rn
1218 let Inst{15-12} = Rt;
1219 let Inst{11-0} = addr{11-0}; // imm12
1221 def rs : AI2ldst<0b011, 0, isByte, (outs), (ins GPR:$Rt, ldst_so_reg:$shift),
1222 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
1223 [(opnode GPR:$Rt, ldst_so_reg:$shift)]> {
1226 let shift{4} = 0; // Inst{4} = 0
1227 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1228 let Inst{19-16} = shift{16-13}; // Rn
1229 let Inst{15-12} = Rt;
1230 let Inst{11-0} = shift{11-0};
1233 //===----------------------------------------------------------------------===//
1235 //===----------------------------------------------------------------------===//
1237 //===----------------------------------------------------------------------===//
1238 // Miscellaneous Instructions.
1241 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
1242 /// the function. The first operand is the ID# for this instruction, the second
1243 /// is the index into the MachineConstantPool that this is, the third is the
1244 /// size in bytes of this constant pool entry.
1245 let neverHasSideEffects = 1, isNotDuplicable = 1 in
1246 def CONSTPOOL_ENTRY :
1247 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
1248 i32imm:$size), NoItinerary, []>;
1250 // FIXME: Marking these as hasSideEffects is necessary to prevent machine DCE
1251 // from removing one half of the matched pairs. That breaks PEI, which assumes
1252 // these will always be in pairs, and asserts if it finds otherwise. Better way?
1253 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
1254 def ADJCALLSTACKUP :
1255 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary,
1256 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
1258 def ADJCALLSTACKDOWN :
1259 PseudoInst<(outs), (ins i32imm:$amt, pred:$p), NoItinerary,
1260 [(ARMcallseq_start timm:$amt)]>;
1263 def NOP : AI<(outs), (ins), MiscFrm, NoItinerary, "nop", "",
1264 [/* For disassembly only; pattern left blank */]>,
1265 Requires<[IsARM, HasV6T2]> {
1266 let Inst{27-16} = 0b001100100000;
1267 let Inst{15-8} = 0b11110000;
1268 let Inst{7-0} = 0b00000000;
1271 def YIELD : AI<(outs), (ins), MiscFrm, NoItinerary, "yield", "",
1272 [/* For disassembly only; pattern left blank */]>,
1273 Requires<[IsARM, HasV6T2]> {
1274 let Inst{27-16} = 0b001100100000;
1275 let Inst{15-8} = 0b11110000;
1276 let Inst{7-0} = 0b00000001;
1279 def WFE : AI<(outs), (ins), MiscFrm, NoItinerary, "wfe", "",
1280 [/* For disassembly only; pattern left blank */]>,
1281 Requires<[IsARM, HasV6T2]> {
1282 let Inst{27-16} = 0b001100100000;
1283 let Inst{15-8} = 0b11110000;
1284 let Inst{7-0} = 0b00000010;
1287 def WFI : AI<(outs), (ins), MiscFrm, NoItinerary, "wfi", "",
1288 [/* For disassembly only; pattern left blank */]>,
1289 Requires<[IsARM, HasV6T2]> {
1290 let Inst{27-16} = 0b001100100000;
1291 let Inst{15-8} = 0b11110000;
1292 let Inst{7-0} = 0b00000011;
1295 def SEL : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm, NoItinerary, "sel",
1296 "\t$dst, $a, $b", []>, Requires<[IsARM, HasV6]> {
1301 let Inst{15-12} = Rd;
1302 let Inst{19-16} = Rn;
1303 let Inst{27-20} = 0b01101000;
1304 let Inst{7-4} = 0b1011;
1305 let Inst{11-8} = 0b1111;
1308 def SEV : AI<(outs), (ins), MiscFrm, NoItinerary, "sev", "",
1309 []>, Requires<[IsARM, HasV6T2]> {
1310 let Inst{27-16} = 0b001100100000;
1311 let Inst{15-8} = 0b11110000;
1312 let Inst{7-0} = 0b00000100;
1315 // The i32imm operand $val can be used by a debugger to store more information
1316 // about the breakpoint.
1317 def BKPT : AI<(outs), (ins imm0_65535:$val), MiscFrm, NoItinerary,
1318 "bkpt", "\t$val", []>, Requires<[IsARM]> {
1320 let Inst{3-0} = val{3-0};
1321 let Inst{19-8} = val{15-4};
1322 let Inst{27-20} = 0b00010010;
1323 let Inst{7-4} = 0b0111;
1326 // Change Processor State is a system instruction -- for disassembly and
1328 // FIXME: Since the asm parser has currently no clean way to handle optional
1329 // operands, create 3 versions of the same instruction. Once there's a clean
1330 // framework to represent optional operands, change this behavior.
1331 class CPS<dag iops, string asm_ops>
1332 : AXI<(outs), iops, MiscFrm, NoItinerary, !strconcat("cps", asm_ops),
1333 [/* For disassembly only; pattern left blank */]>, Requires<[IsARM]> {
1339 let Inst{31-28} = 0b1111;
1340 let Inst{27-20} = 0b00010000;
1341 let Inst{19-18} = imod;
1342 let Inst{17} = M; // Enabled if mode is set;
1344 let Inst{8-6} = iflags;
1346 let Inst{4-0} = mode;
1350 def CPS3p : CPS<(ins imod_op:$imod, iflags_op:$iflags, i32imm:$mode),
1351 "$imod\t$iflags, $mode">;
1352 let mode = 0, M = 0 in
1353 def CPS2p : CPS<(ins imod_op:$imod, iflags_op:$iflags), "$imod\t$iflags">;
1355 let imod = 0, iflags = 0, M = 1 in
1356 def CPS1p : CPS<(ins i32imm:$mode), "\t$mode">;
1358 // Preload signals the memory system of possible future data/instruction access.
1359 // These are for disassembly only.
1360 multiclass APreLoad<bits<1> read, bits<1> data, string opc> {
1362 def i12 : AXI<(outs), (ins addrmode_imm12:$addr), MiscFrm, IIC_Preload,
1363 !strconcat(opc, "\t$addr"),
1364 [(ARMPreload addrmode_imm12:$addr, (i32 read), (i32 data))]> {
1367 let Inst{31-26} = 0b111101;
1368 let Inst{25} = 0; // 0 for immediate form
1369 let Inst{24} = data;
1370 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1371 let Inst{22} = read;
1372 let Inst{21-20} = 0b01;
1373 let Inst{19-16} = addr{16-13}; // Rn
1374 let Inst{15-12} = 0b1111;
1375 let Inst{11-0} = addr{11-0}; // imm12
1378 def rs : AXI<(outs), (ins ldst_so_reg:$shift), MiscFrm, IIC_Preload,
1379 !strconcat(opc, "\t$shift"),
1380 [(ARMPreload ldst_so_reg:$shift, (i32 read), (i32 data))]> {
1382 let Inst{31-26} = 0b111101;
1383 let Inst{25} = 1; // 1 for register form
1384 let Inst{24} = data;
1385 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1386 let Inst{22} = read;
1387 let Inst{21-20} = 0b01;
1388 let Inst{19-16} = shift{16-13}; // Rn
1389 let Inst{15-12} = 0b1111;
1390 let Inst{11-0} = shift{11-0};
1394 defm PLD : APreLoad<1, 1, "pld">, Requires<[IsARM]>;
1395 defm PLDW : APreLoad<0, 1, "pldw">, Requires<[IsARM,HasV7,HasMP]>;
1396 defm PLI : APreLoad<1, 0, "pli">, Requires<[IsARM,HasV7]>;
1398 def SETEND : AXI<(outs), (ins setend_op:$end), MiscFrm, NoItinerary,
1399 "setend\t$end", []>, Requires<[IsARM]> {
1401 let Inst{31-10} = 0b1111000100000001000000;
1406 def DBG : AI<(outs), (ins imm0_15:$opt), MiscFrm, NoItinerary, "dbg", "\t$opt",
1407 []>, Requires<[IsARM, HasV7]> {
1409 let Inst{27-4} = 0b001100100000111100001111;
1410 let Inst{3-0} = opt;
1413 // A5.4 Permanently UNDEFINED instructions.
1414 let isBarrier = 1, isTerminator = 1 in
1415 def TRAP : AXI<(outs), (ins), MiscFrm, NoItinerary,
1418 let Inst = 0xe7ffdefe;
1421 // Address computation and loads and stores in PIC mode.
1422 let isNotDuplicable = 1 in {
1423 def PICADD : ARMPseudoInst<(outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
1425 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
1427 let AddedComplexity = 10 in {
1428 def PICLDR : ARMPseudoInst<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
1430 [(set GPR:$dst, (load addrmodepc:$addr))]>;
1432 def PICLDRH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1434 [(set GPR:$Rt, (zextloadi16 addrmodepc:$addr))]>;
1436 def PICLDRB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1438 [(set GPR:$Rt, (zextloadi8 addrmodepc:$addr))]>;
1440 def PICLDRSH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1442 [(set GPR:$Rt, (sextloadi16 addrmodepc:$addr))]>;
1444 def PICLDRSB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1446 [(set GPR:$Rt, (sextloadi8 addrmodepc:$addr))]>;
1448 let AddedComplexity = 10 in {
1449 def PICSTR : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1450 4, IIC_iStore_r, [(store GPR:$src, addrmodepc:$addr)]>;
1452 def PICSTRH : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1453 4, IIC_iStore_bh_r, [(truncstorei16 GPR:$src,
1454 addrmodepc:$addr)]>;
1456 def PICSTRB : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1457 4, IIC_iStore_bh_r, [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
1459 } // isNotDuplicable = 1
1462 // LEApcrel - Load a pc-relative address into a register without offending the
1464 let neverHasSideEffects = 1, isReMaterializable = 1 in
1465 // The 'adr' mnemonic encodes differently if the label is before or after
1466 // the instruction. The {24-21} opcode bits are set by the fixup, as we don't
1467 // know until then which form of the instruction will be used.
1468 def ADR : AI1<{0,?,?,0}, (outs GPR:$Rd), (ins adrlabel:$label),
1469 MiscFrm, IIC_iALUi, "adr", "\t$Rd, #$label", []> {
1472 let Inst{27-25} = 0b001;
1474 let Inst{19-16} = 0b1111;
1475 let Inst{15-12} = Rd;
1476 let Inst{11-0} = label;
1478 def LEApcrel : ARMPseudoInst<(outs GPR:$Rd), (ins i32imm:$label, pred:$p),
1481 def LEApcrelJT : ARMPseudoInst<(outs GPR:$Rd),
1482 (ins i32imm:$label, nohash_imm:$id, pred:$p),
1485 //===----------------------------------------------------------------------===//
1486 // Control Flow Instructions.
1489 let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
1491 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1492 "bx", "\tlr", [(ARMretflag)]>,
1493 Requires<[IsARM, HasV4T]> {
1494 let Inst{27-0} = 0b0001001011111111111100011110;
1498 def MOVPCLR : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1499 "mov", "\tpc, lr", [(ARMretflag)]>,
1500 Requires<[IsARM, NoV4T]> {
1501 let Inst{27-0} = 0b0001101000001111000000001110;
1505 // Indirect branches
1506 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
1508 def BX : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
1509 [(brind GPR:$dst)]>,
1510 Requires<[IsARM, HasV4T]> {
1512 let Inst{31-4} = 0b1110000100101111111111110001;
1513 let Inst{3-0} = dst;
1516 def BX_pred : AI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br,
1517 "bx", "\t$dst", [/* pattern left blank */]>,
1518 Requires<[IsARM, HasV4T]> {
1520 let Inst{27-4} = 0b000100101111111111110001;
1521 let Inst{3-0} = dst;
1525 // All calls clobber the non-callee saved registers. SP is marked as
1526 // a use to prevent stack-pointer assignments that appear immediately
1527 // before calls from potentially appearing dead.
1529 // On non-Darwin platforms R9 is callee-saved.
1530 // FIXME: Do we really need a non-predicated version? If so, it should
1531 // at least be a pseudo instruction expanding to the predicated version
1532 // at MC lowering time.
1533 Defs = [R0, R1, R2, R3, R12, LR, QQQQ0, QQQQ2, QQQQ3, CPSR, FPSCR],
1535 def BL : ABXI<0b1011, (outs), (ins bl_target:$func, variable_ops),
1536 IIC_Br, "bl\t$func",
1537 [(ARMcall tglobaladdr:$func)]>,
1538 Requires<[IsARM, IsNotDarwin]> {
1539 let Inst{31-28} = 0b1110;
1541 let Inst{23-0} = func;
1544 def BL_pred : ABI<0b1011, (outs), (ins bl_target:$func, variable_ops),
1545 IIC_Br, "bl", "\t$func",
1546 [(ARMcall_pred tglobaladdr:$func)]>,
1547 Requires<[IsARM, IsNotDarwin]> {
1549 let Inst{23-0} = func;
1553 def BLX : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1554 IIC_Br, "blx\t$func",
1555 [(ARMcall GPR:$func)]>,
1556 Requires<[IsARM, HasV5T, IsNotDarwin]> {
1558 let Inst{31-4} = 0b1110000100101111111111110011;
1559 let Inst{3-0} = func;
1562 def BLX_pred : AI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1563 IIC_Br, "blx", "\t$func",
1564 [(ARMcall_pred GPR:$func)]>,
1565 Requires<[IsARM, HasV5T, IsNotDarwin]> {
1567 let Inst{27-4} = 0b000100101111111111110011;
1568 let Inst{3-0} = func;
1572 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1573 def BX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1574 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1575 Requires<[IsARM, HasV4T, IsNotDarwin]>;
1578 def BMOVPCRX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1579 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1580 Requires<[IsARM, NoV4T, IsNotDarwin]>;
1584 // On Darwin R9 is call-clobbered.
1585 // R7 is marked as a use to prevent frame-pointer assignments from being
1586 // moved above / below calls.
1587 Defs = [R0, R1, R2, R3, R9, R12, LR, QQQQ0, QQQQ2, QQQQ3, CPSR, FPSCR],
1588 Uses = [R7, SP] in {
1589 def BLr9 : ARMPseudoExpand<(outs), (ins bl_target:$func, variable_ops),
1591 [(ARMcall tglobaladdr:$func)], (BL bl_target:$func)>,
1592 Requires<[IsARM, IsDarwin]>;
1594 def BLr9_pred : ARMPseudoExpand<(outs),
1595 (ins bl_target:$func, pred:$p, variable_ops),
1597 [(ARMcall_pred tglobaladdr:$func)],
1598 (BL_pred bl_target:$func, pred:$p)>,
1599 Requires<[IsARM, IsDarwin]>;
1602 def BLXr9 : ARMPseudoExpand<(outs), (ins GPR:$func, variable_ops),
1604 [(ARMcall GPR:$func)],
1606 Requires<[IsARM, HasV5T, IsDarwin]>;
1608 def BLXr9_pred: ARMPseudoExpand<(outs), (ins GPR:$func, pred:$p,variable_ops),
1610 [(ARMcall_pred GPR:$func)],
1611 (BLX_pred GPR:$func, pred:$p)>,
1612 Requires<[IsARM, HasV5T, IsDarwin]>;
1615 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1616 def BXr9_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1617 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1618 Requires<[IsARM, HasV4T, IsDarwin]>;
1621 def BMOVPCRXr9_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1622 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1623 Requires<[IsARM, NoV4T, IsDarwin]>;
1626 let isBranch = 1, isTerminator = 1 in {
1627 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
1628 // a two-value operand where a dag node expects two operands. :(
1629 def Bcc : ABI<0b1010, (outs), (ins br_target:$target),
1630 IIC_Br, "b", "\t$target",
1631 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]> {
1633 let Inst{23-0} = target;
1636 let isBarrier = 1 in {
1637 // B is "predicable" since it's just a Bcc with an 'always' condition.
1638 let isPredicable = 1 in
1639 // FIXME: We shouldn't need this pseudo at all. Just using Bcc directly
1640 // should be sufficient.
1641 // FIXME: Is B really a Barrier? That doesn't seem right.
1642 def B : ARMPseudoExpand<(outs), (ins br_target:$target), 4, IIC_Br,
1643 [(br bb:$target)], (Bcc br_target:$target, (ops 14, zero_reg))>;
1645 let isNotDuplicable = 1, isIndirectBranch = 1 in {
1646 def BR_JTr : ARMPseudoInst<(outs),
1647 (ins GPR:$target, i32imm:$jt, i32imm:$id),
1649 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]>;
1650 // FIXME: This shouldn't use the generic "addrmode2," but rather be split
1651 // into i12 and rs suffixed versions.
1652 def BR_JTm : ARMPseudoInst<(outs),
1653 (ins addrmode2:$target, i32imm:$jt, i32imm:$id),
1655 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
1657 def BR_JTadd : ARMPseudoInst<(outs),
1658 (ins GPR:$target, GPR:$idx, i32imm:$jt, i32imm:$id),
1660 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
1662 } // isNotDuplicable = 1, isIndirectBranch = 1
1667 // BLX (immediate) -- for disassembly only
1668 def BLXi : AXI<(outs), (ins br_target:$target), BrMiscFrm, NoItinerary,
1669 "blx\t$target", [/* pattern left blank */]>,
1670 Requires<[IsARM, HasV5T]> {
1671 let Inst{31-25} = 0b1111101;
1673 let Inst{23-0} = target{24-1};
1674 let Inst{24} = target{0};
1677 // Branch and Exchange Jazelle
1678 def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
1679 [/* pattern left blank */]> {
1681 let Inst{23-20} = 0b0010;
1682 let Inst{19-8} = 0xfff;
1683 let Inst{7-4} = 0b0010;
1684 let Inst{3-0} = func;
1689 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in {
1691 let Defs = [R0, R1, R2, R3, R9, R12, QQQQ0, QQQQ2, QQQQ3, PC],
1693 def TCRETURNdi : PseudoInst<(outs), (ins i32imm:$dst, variable_ops),
1694 IIC_Br, []>, Requires<[IsDarwin]>;
1696 def TCRETURNri : PseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
1697 IIC_Br, []>, Requires<[IsDarwin]>;
1699 def TAILJMPd : ARMPseudoExpand<(outs), (ins br_target:$dst, variable_ops),
1701 (Bcc br_target:$dst, (ops 14, zero_reg))>,
1702 Requires<[IsARM, IsDarwin]>;
1704 def TAILJMPr : ARMPseudoExpand<(outs), (ins tcGPR:$dst, variable_ops),
1707 Requires<[IsARM, IsDarwin]>;
1711 // Non-Darwin versions (the difference is R9).
1712 let Defs = [R0, R1, R2, R3, R12, QQQQ0, QQQQ2, QQQQ3, PC],
1714 def TCRETURNdiND : PseudoInst<(outs), (ins i32imm:$dst, variable_ops),
1715 IIC_Br, []>, Requires<[IsNotDarwin]>;
1717 def TCRETURNriND : PseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
1718 IIC_Br, []>, Requires<[IsNotDarwin]>;
1720 def TAILJMPdND : ARMPseudoExpand<(outs), (ins brtarget:$dst, variable_ops),
1722 (Bcc br_target:$dst, (ops 14, zero_reg))>,
1723 Requires<[IsARM, IsNotDarwin]>;
1725 def TAILJMPrND : ARMPseudoExpand<(outs), (ins tcGPR:$dst, variable_ops),
1728 Requires<[IsARM, IsNotDarwin]>;
1736 // Secure Monitor Call is a system instruction -- for disassembly only
1737 def SMC : ABI<0b0001, (outs), (ins imm0_15:$opt), NoItinerary, "smc", "\t$opt",
1740 let Inst{23-4} = 0b01100000000000000111;
1741 let Inst{3-0} = opt;
1744 // Supervisor Call (Software Interrupt)
1745 let isCall = 1, Uses = [SP] in {
1746 def SVC : ABI<0b1111, (outs), (ins imm24b:$svc), IIC_Br, "svc", "\t$svc", []> {
1748 let Inst{23-0} = svc;
1752 // Store Return State is a system instruction -- for disassembly only
1753 let isCodeGenOnly = 1 in { // FIXME: This should not use submode!
1754 def SRSW : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, i32imm:$mode),
1755 NoItinerary, "srs${amode}\tsp!, $mode",
1756 [/* For disassembly only; pattern left blank */]> {
1757 let Inst{31-28} = 0b1111;
1758 let Inst{22-20} = 0b110; // W = 1
1759 let Inst{19-8} = 0xd05;
1760 let Inst{7-5} = 0b000;
1763 def SRS : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, i32imm:$mode),
1764 NoItinerary, "srs${amode}\tsp, $mode",
1765 [/* For disassembly only; pattern left blank */]> {
1766 let Inst{31-28} = 0b1111;
1767 let Inst{22-20} = 0b100; // W = 0
1768 let Inst{19-8} = 0xd05;
1769 let Inst{7-5} = 0b000;
1772 // Return From Exception is a system instruction -- for disassembly only
1773 def RFEW : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, GPR:$base),
1774 NoItinerary, "rfe${amode}\t$base!",
1775 [/* For disassembly only; pattern left blank */]> {
1776 let Inst{31-28} = 0b1111;
1777 let Inst{22-20} = 0b011; // W = 1
1778 let Inst{15-0} = 0x0a00;
1781 def RFE : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, GPR:$base),
1782 NoItinerary, "rfe${amode}\t$base",
1783 [/* For disassembly only; pattern left blank */]> {
1784 let Inst{31-28} = 0b1111;
1785 let Inst{22-20} = 0b001; // W = 0
1786 let Inst{15-0} = 0x0a00;
1788 } // isCodeGenOnly = 1
1790 //===----------------------------------------------------------------------===//
1791 // Load / store Instructions.
1797 defm LDR : AI_ldr1<0, "ldr", IIC_iLoad_r, IIC_iLoad_si,
1798 UnOpFrag<(load node:$Src)>>;
1799 defm LDRB : AI_ldr1<1, "ldrb", IIC_iLoad_bh_r, IIC_iLoad_bh_si,
1800 UnOpFrag<(zextloadi8 node:$Src)>>;
1801 defm STR : AI_str1<0, "str", IIC_iStore_r, IIC_iStore_si,
1802 BinOpFrag<(store node:$LHS, node:$RHS)>>;
1803 defm STRB : AI_str1<1, "strb", IIC_iStore_bh_r, IIC_iStore_bh_si,
1804 BinOpFrag<(truncstorei8 node:$LHS, node:$RHS)>>;
1806 // Special LDR for loads from non-pc-relative constpools.
1807 let canFoldAsLoad = 1, mayLoad = 1, neverHasSideEffects = 1,
1808 isReMaterializable = 1 in
1809 def LDRcp : AI2ldst<0b010, 1, 0, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
1810 AddrMode_i12, LdFrm, IIC_iLoad_r, "ldr", "\t$Rt, $addr",
1814 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1815 let Inst{19-16} = 0b1111;
1816 let Inst{15-12} = Rt;
1817 let Inst{11-0} = addr{11-0}; // imm12
1820 // Loads with zero extension
1821 def LDRH : AI3ld<0b1011, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1822 IIC_iLoad_bh_r, "ldrh", "\t$Rt, $addr",
1823 [(set GPR:$Rt, (zextloadi16 addrmode3:$addr))]>;
1825 // Loads with sign extension
1826 def LDRSH : AI3ld<0b1111, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1827 IIC_iLoad_bh_r, "ldrsh", "\t$Rt, $addr",
1828 [(set GPR:$Rt, (sextloadi16 addrmode3:$addr))]>;
1830 def LDRSB : AI3ld<0b1101, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1831 IIC_iLoad_bh_r, "ldrsb", "\t$Rt, $addr",
1832 [(set GPR:$Rt, (sextloadi8 addrmode3:$addr))]>;
1834 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1 in {
1836 def LDRD : AI3ld<0b1101, 0, (outs GPR:$Rd, GPR:$dst2),
1837 (ins addrmode3:$addr), LdMiscFrm,
1838 IIC_iLoad_d_r, "ldrd", "\t$Rd, $dst2, $addr",
1839 []>, Requires<[IsARM, HasV5TE]>;
1843 multiclass AI2_ldridx<bit isByte, string opc, InstrItinClass itin> {
1844 def _PRE : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb),
1845 (ins addrmode2:$addr), IndexModePre, LdFrm, itin,
1846 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
1848 // {13} 1 == Rm, 0 == imm12
1852 let Inst{25} = addr{13};
1853 let Inst{23} = addr{12};
1854 let Inst{19-16} = addr{17-14};
1855 let Inst{11-0} = addr{11-0};
1856 let AsmMatchConverter = "cvtLdWriteBackRegAddrMode2";
1858 def _POST : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
1859 (ins GPR:$Rn, am2offset:$offset),
1860 IndexModePost, LdFrm, itin,
1861 opc, "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb", []> {
1862 // {13} 1 == Rm, 0 == imm12
1867 let Inst{25} = offset{13};
1868 let Inst{23} = offset{12};
1869 let Inst{19-16} = Rn;
1870 let Inst{11-0} = offset{11-0};
1874 let mayLoad = 1, neverHasSideEffects = 1 in {
1875 defm LDR : AI2_ldridx<0, "ldr", IIC_iLoad_ru>;
1876 defm LDRB : AI2_ldridx<1, "ldrb", IIC_iLoad_bh_ru>;
1879 multiclass AI3_ldridx<bits<4> op, bit op20, string opc, InstrItinClass itin> {
1880 def _PRE : AI3ldstidx<op, op20, 1, 1, (outs GPR:$Rt, GPR:$Rn_wb),
1881 (ins addrmode3:$addr), IndexModePre,
1883 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
1885 let Inst{23} = addr{8}; // U bit
1886 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
1887 let Inst{19-16} = addr{12-9}; // Rn
1888 let Inst{11-8} = addr{7-4}; // imm7_4/zero
1889 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
1891 def _POST : AI3ldstidx<op, op20, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
1892 (ins GPR:$Rn, am3offset:$offset), IndexModePost,
1894 opc, "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb", []> {
1897 let Inst{23} = offset{8}; // U bit
1898 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
1899 let Inst{19-16} = Rn;
1900 let Inst{11-8} = offset{7-4}; // imm7_4/zero
1901 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
1905 let mayLoad = 1, neverHasSideEffects = 1 in {
1906 defm LDRH : AI3_ldridx<0b1011, 1, "ldrh", IIC_iLoad_bh_ru>;
1907 defm LDRSH : AI3_ldridx<0b1111, 1, "ldrsh", IIC_iLoad_bh_ru>;
1908 defm LDRSB : AI3_ldridx<0b1101, 1, "ldrsb", IIC_iLoad_bh_ru>;
1909 let hasExtraDefRegAllocReq = 1 in {
1910 def LDRD_PRE : AI3ldstidx<0b1101, 0, 1, 1, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
1911 (ins addrmode3:$addr), IndexModePre,
1912 LdMiscFrm, IIC_iLoad_d_ru,
1913 "ldrd", "\t$Rt, $Rt2, $addr!",
1914 "$addr.base = $Rn_wb", []> {
1916 let Inst{23} = addr{8}; // U bit
1917 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
1918 let Inst{19-16} = addr{12-9}; // Rn
1919 let Inst{11-8} = addr{7-4}; // imm7_4/zero
1920 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
1922 def LDRD_POST: AI3ldstidx<0b1101, 0, 1, 0, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
1923 (ins GPR:$Rn, am3offset:$offset), IndexModePost,
1924 LdMiscFrm, IIC_iLoad_d_ru,
1925 "ldrd", "\t$Rt, $Rt2, [$Rn], $offset",
1926 "$Rn = $Rn_wb", []> {
1929 let Inst{23} = offset{8}; // U bit
1930 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
1931 let Inst{19-16} = Rn;
1932 let Inst{11-8} = offset{7-4}; // imm7_4/zero
1933 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
1935 } // hasExtraDefRegAllocReq = 1
1936 } // mayLoad = 1, neverHasSideEffects = 1
1938 // LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT are for disassembly only.
1939 let mayLoad = 1, neverHasSideEffects = 1 in {
1940 def LDRT : AI2ldstidx<1, 0, 0, (outs GPR:$Rt, GPR:$base_wb),
1941 (ins addrmode2:$addr), IndexModePost, LdFrm, IIC_iLoad_ru,
1942 "ldrt", "\t$Rt, $addr", "$addr.base = $base_wb", []> {
1944 // {13} 1 == Rm, 0 == imm12
1948 let Inst{25} = addr{13};
1949 let Inst{23} = addr{12};
1950 let Inst{21} = 1; // overwrite
1951 let Inst{19-16} = addr{17-14};
1952 let Inst{11-0} = addr{11-0};
1953 let AsmMatchConverter = "cvtLdWriteBackRegAddrMode2";
1955 def LDRBT : AI2ldstidx<1, 1, 0, (outs GPR:$Rt, GPR:$base_wb),
1956 (ins addrmode2:$addr), IndexModePost, LdFrm, IIC_iLoad_bh_ru,
1957 "ldrbt", "\t$Rt, $addr", "$addr.base = $base_wb", []> {
1959 // {13} 1 == Rm, 0 == imm12
1963 let Inst{25} = addr{13};
1964 let Inst{23} = addr{12};
1965 let Inst{21} = 1; // overwrite
1966 let Inst{19-16} = addr{17-14};
1967 let Inst{11-0} = addr{11-0};
1968 let AsmMatchConverter = "cvtLdWriteBackRegAddrMode2";
1970 def LDRSBT : AI3ldstidxT<0b1101, 1, 1, 0, (outs GPR:$Rt, GPR:$base_wb),
1971 (ins addrmode3:$addr), IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru,
1972 "ldrsbt", "\t$Rt, $addr", "$addr.base = $base_wb", []> {
1973 let Inst{21} = 1; // overwrite
1975 def LDRHT : AI3ldstidxT<0b1011, 1, 1, 0, (outs GPR:$Rt, GPR:$base_wb),
1976 (ins addrmode3:$addr), IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru,
1977 "ldrht", "\t$Rt, $addr", "$addr.base = $base_wb", []> {
1978 let Inst{21} = 1; // overwrite
1980 def LDRSHT : AI3ldstidxT<0b1111, 1, 1, 0, (outs GPR:$Rt, GPR:$base_wb),
1981 (ins addrmode3:$addr), IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru,
1982 "ldrsht", "\t$Rt, $addr", "$addr.base = $base_wb", []> {
1983 let Inst{21} = 1; // overwrite
1989 // Stores with truncate
1990 def STRH : AI3str<0b1011, (outs), (ins GPR:$Rt, addrmode3:$addr), StMiscFrm,
1991 IIC_iStore_bh_r, "strh", "\t$Rt, $addr",
1992 [(truncstorei16 GPR:$Rt, addrmode3:$addr)]>;
1995 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in
1996 def STRD : AI3str<0b1111, (outs), (ins GPR:$Rt, GPR:$src2, addrmode3:$addr),
1997 StMiscFrm, IIC_iStore_d_r,
1998 "strd", "\t$Rt, $src2, $addr", []>, Requires<[IsARM, HasV5TE]>;
2001 def STR_PRE : AI2stridx<0, 1, (outs GPR:$Rn_wb),
2002 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
2003 IndexModePre, StFrm, IIC_iStore_ru,
2004 "str", "\t$Rt, [$Rn, $offset]!",
2005 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
2007 (pre_store GPR:$Rt, GPR:$Rn, am2offset:$offset))]>;
2009 def STR_POST : AI2stridx<0, 0, (outs GPR:$Rn_wb),
2010 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
2011 IndexModePost, StFrm, IIC_iStore_ru,
2012 "str", "\t$Rt, [$Rn], $offset",
2013 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
2015 (post_store GPR:$Rt, GPR:$Rn, am2offset:$offset))]>;
2017 def STRB_PRE : AI2stridx<1, 1, (outs GPR:$Rn_wb),
2018 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
2019 IndexModePre, StFrm, IIC_iStore_bh_ru,
2020 "strb", "\t$Rt, [$Rn, $offset]!",
2021 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
2022 [(set GPR:$Rn_wb, (pre_truncsti8 GPR:$Rt,
2023 GPR:$Rn, am2offset:$offset))]>;
2024 def STRB_POST: AI2stridx<1, 0, (outs GPR:$Rn_wb),
2025 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
2026 IndexModePost, StFrm, IIC_iStore_bh_ru,
2027 "strb", "\t$Rt, [$Rn], $offset",
2028 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
2029 [(set GPR:$Rn_wb, (post_truncsti8 GPR:$Rt,
2030 GPR:$Rn, am2offset:$offset))]>;
2032 def STRH_PRE : AI3stridx<0b1011, 0, 1, (outs GPR:$Rn_wb),
2033 (ins GPR:$Rt, GPR:$Rn, am3offset:$offset),
2034 IndexModePre, StMiscFrm, IIC_iStore_ru,
2035 "strh", "\t$Rt, [$Rn, $offset]!",
2036 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
2038 (pre_truncsti16 GPR:$Rt, GPR:$Rn, am3offset:$offset))]>;
2040 def STRH_POST: AI3stridx<0b1011, 0, 0, (outs GPR:$Rn_wb),
2041 (ins GPR:$Rt, GPR:$Rn, am3offset:$offset),
2042 IndexModePost, StMiscFrm, IIC_iStore_bh_ru,
2043 "strh", "\t$Rt, [$Rn], $offset",
2044 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
2045 [(set GPR:$Rn_wb, (post_truncsti16 GPR:$Rt,
2046 GPR:$Rn, am3offset:$offset))]>;
2048 // For disassembly only
2049 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in {
2050 def STRD_PRE : AI3stdpr<(outs GPR:$base_wb),
2051 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
2052 StMiscFrm, IIC_iStore_d_ru,
2053 "strd", "\t$src1, $src2, [$base, $offset]!",
2054 "$base = $base_wb", []>;
2056 // For disassembly only
2057 def STRD_POST: AI3stdpo<(outs GPR:$base_wb),
2058 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
2059 StMiscFrm, IIC_iStore_d_ru,
2060 "strd", "\t$src1, $src2, [$base], $offset",
2061 "$base = $base_wb", []>;
2062 } // mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1
2064 // STRT, STRBT, and STRHT are for disassembly only.
2066 def STRT : AI2stridxT<0, 0, (outs GPR:$Rn_wb), (ins GPR:$Rt, addrmode2:$addr),
2067 IndexModePost, StFrm, IIC_iStore_ru,
2068 "strt", "\t$Rt, $addr", "$addr.base = $Rn_wb",
2069 [/* For disassembly only; pattern left blank */]> {
2070 let Inst{21} = 1; // overwrite
2071 let AsmMatchConverter = "cvtStWriteBackRegAddrMode2";
2074 def STRBT : AI2stridxT<1, 0, (outs GPR:$Rn_wb), (ins GPR:$Rt, addrmode2:$addr),
2075 IndexModePost, StFrm, IIC_iStore_bh_ru,
2076 "strbt", "\t$Rt, $addr", "$addr.base = $Rn_wb",
2077 [/* For disassembly only; pattern left blank */]> {
2078 let Inst{21} = 1; // overwrite
2079 let AsmMatchConverter = "cvtStWriteBackRegAddrMode2";
2082 def STRHT: AI3sthpo<(outs GPR:$base_wb), (ins GPR:$Rt, addrmode3:$addr),
2083 StMiscFrm, IIC_iStore_bh_ru,
2084 "strht", "\t$Rt, $addr", "$addr.base = $base_wb",
2085 [/* For disassembly only; pattern left blank */]> {
2086 let Inst{21} = 1; // overwrite
2087 let AsmMatchConverter = "cvtStWriteBackRegAddrMode3";
2090 //===----------------------------------------------------------------------===//
2091 // Load / store multiple Instructions.
2094 multiclass arm_ldst_mult<string asm, bit L_bit, Format f,
2095 InstrItinClass itin, InstrItinClass itin_upd> {
2096 // IA is the default, so no need for an explicit suffix on the
2097 // mnemonic here. Without it is the cannonical spelling.
2099 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2100 IndexModeNone, f, itin,
2101 !strconcat(asm, "${p}\t$Rn, $regs"), "", []> {
2102 let Inst{24-23} = 0b01; // Increment After
2103 let Inst{21} = 0; // No writeback
2104 let Inst{20} = L_bit;
2107 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2108 IndexModeUpd, f, itin_upd,
2109 !strconcat(asm, "${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
2110 let Inst{24-23} = 0b01; // Increment After
2111 let Inst{21} = 1; // Writeback
2112 let Inst{20} = L_bit;
2115 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2116 IndexModeNone, f, itin,
2117 !strconcat(asm, "da${p}\t$Rn, $regs"), "", []> {
2118 let Inst{24-23} = 0b00; // Decrement After
2119 let Inst{21} = 0; // No writeback
2120 let Inst{20} = L_bit;
2123 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2124 IndexModeUpd, f, itin_upd,
2125 !strconcat(asm, "da${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
2126 let Inst{24-23} = 0b00; // Decrement After
2127 let Inst{21} = 1; // Writeback
2128 let Inst{20} = L_bit;
2131 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2132 IndexModeNone, f, itin,
2133 !strconcat(asm, "db${p}\t$Rn, $regs"), "", []> {
2134 let Inst{24-23} = 0b10; // Decrement Before
2135 let Inst{21} = 0; // No writeback
2136 let Inst{20} = L_bit;
2139 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2140 IndexModeUpd, f, itin_upd,
2141 !strconcat(asm, "db${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
2142 let Inst{24-23} = 0b10; // Decrement Before
2143 let Inst{21} = 1; // Writeback
2144 let Inst{20} = L_bit;
2147 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2148 IndexModeNone, f, itin,
2149 !strconcat(asm, "ib${p}\t$Rn, $regs"), "", []> {
2150 let Inst{24-23} = 0b11; // Increment Before
2151 let Inst{21} = 0; // No writeback
2152 let Inst{20} = L_bit;
2155 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2156 IndexModeUpd, f, itin_upd,
2157 !strconcat(asm, "ib${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
2158 let Inst{24-23} = 0b11; // Increment Before
2159 let Inst{21} = 1; // Writeback
2160 let Inst{20} = L_bit;
2164 let neverHasSideEffects = 1 in {
2166 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
2167 defm LDM : arm_ldst_mult<"ldm", 1, LdStMulFrm, IIC_iLoad_m, IIC_iLoad_mu>;
2169 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
2170 defm STM : arm_ldst_mult<"stm", 0, LdStMulFrm, IIC_iStore_m, IIC_iStore_mu>;
2172 } // neverHasSideEffects
2174 // FIXME: remove when we have a way to marking a MI with these properties.
2175 // FIXME: Should pc be an implicit operand like PICADD, etc?
2176 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
2177 hasExtraDefRegAllocReq = 1, isCodeGenOnly = 1 in
2178 def LDMIA_RET : ARMPseudoExpand<(outs GPR:$wb), (ins GPR:$Rn, pred:$p,
2179 reglist:$regs, variable_ops),
2180 4, IIC_iLoad_mBr, [],
2181 (LDMIA_UPD GPR:$wb, GPR:$Rn, pred:$p, reglist:$regs)>,
2182 RegConstraint<"$Rn = $wb">;
2184 //===----------------------------------------------------------------------===//
2185 // Move Instructions.
2188 let neverHasSideEffects = 1 in
2189 def MOVr : AsI1<0b1101, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMOVr,
2190 "mov", "\t$Rd, $Rm", []>, UnaryDP {
2194 let Inst{19-16} = 0b0000;
2195 let Inst{11-4} = 0b00000000;
2198 let Inst{15-12} = Rd;
2201 // A version for the smaller set of tail call registers.
2202 let neverHasSideEffects = 1 in
2203 def MOVr_TC : AsI1<0b1101, (outs tcGPR:$Rd), (ins tcGPR:$Rm), DPFrm,
2204 IIC_iMOVr, "mov", "\t$Rd, $Rm", []>, UnaryDP {
2208 let Inst{11-4} = 0b00000000;
2211 let Inst{15-12} = Rd;
2214 def MOVsr : AsI1<0b1101, (outs GPR:$Rd), (ins shift_so_reg_reg:$src),
2215 DPSoRegRegFrm, IIC_iMOVsr,
2216 "mov", "\t$Rd, $src", [(set GPR:$Rd, shift_so_reg_reg:$src)]>,
2220 let Inst{15-12} = Rd;
2221 let Inst{19-16} = 0b0000;
2222 let Inst{11-8} = src{11-8};
2224 let Inst{6-5} = src{6-5};
2226 let Inst{3-0} = src{3-0};
2230 def MOVsi : AsI1<0b1101, (outs GPR:$Rd), (ins shift_so_reg_imm:$src),
2231 DPSoRegImmFrm, IIC_iMOVsr,
2232 "mov", "\t$Rd, $src", [(set GPR:$Rd, shift_so_reg_imm:$src)]>,
2236 let Inst{15-12} = Rd;
2237 let Inst{19-16} = 0b0000;
2238 let Inst{11-5} = src{11-5};
2240 let Inst{3-0} = src{3-0};
2246 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
2247 def MOVi : AsI1<0b1101, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm, IIC_iMOVi,
2248 "mov", "\t$Rd, $imm", [(set GPR:$Rd, so_imm:$imm)]>, UnaryDP {
2252 let Inst{15-12} = Rd;
2253 let Inst{19-16} = 0b0000;
2254 let Inst{11-0} = imm;
2257 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
2258 def MOVi16 : AI1<0b1000, (outs GPR:$Rd), (ins imm0_65535_expr:$imm),
2260 "movw", "\t$Rd, $imm",
2261 [(set GPR:$Rd, imm0_65535:$imm)]>,
2262 Requires<[IsARM, HasV6T2]>, UnaryDP {
2265 let Inst{15-12} = Rd;
2266 let Inst{11-0} = imm{11-0};
2267 let Inst{19-16} = imm{15-12};
2272 def : InstAlias<"mov${p} $Rd, $imm",
2273 (MOVi16 GPR:$Rd, imm0_65535_expr:$imm, pred:$p)>,
2276 def MOVi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
2277 (ins i32imm:$addr, pclabel:$id), IIC_iMOVi, []>;
2279 let Constraints = "$src = $Rd" in {
2280 def MOVTi16 : AI1<0b1010, (outs GPR:$Rd), (ins GPR:$src, imm0_65535_expr:$imm),
2282 "movt", "\t$Rd, $imm",
2284 (or (and GPR:$src, 0xffff),
2285 lo16AllZero:$imm))]>, UnaryDP,
2286 Requires<[IsARM, HasV6T2]> {
2289 let Inst{15-12} = Rd;
2290 let Inst{11-0} = imm{11-0};
2291 let Inst{19-16} = imm{15-12};
2296 def MOVTi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
2297 (ins GPR:$src, i32imm:$addr, pclabel:$id), IIC_iMOVi, []>;
2301 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
2302 Requires<[IsARM, HasV6T2]>;
2304 let Uses = [CPSR] in
2305 def RRX: PseudoInst<(outs GPR:$Rd), (ins GPR:$Rm), IIC_iMOVsi,
2306 [(set GPR:$Rd, (ARMrrx GPR:$Rm))]>, UnaryDP,
2309 // These aren't really mov instructions, but we have to define them this way
2310 // due to flag operands.
2312 let Defs = [CPSR] in {
2313 def MOVsrl_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
2314 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP,
2316 def MOVsra_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
2317 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP,
2321 //===----------------------------------------------------------------------===//
2322 // Extend Instructions.
2327 defm SXTB : AI_ext_rrot<0b01101010,
2328 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
2329 defm SXTH : AI_ext_rrot<0b01101011,
2330 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
2332 defm SXTAB : AI_exta_rrot<0b01101010,
2333 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
2334 defm SXTAH : AI_exta_rrot<0b01101011,
2335 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
2337 // For disassembly only
2338 defm SXTB16 : AI_ext_rrot_np<0b01101000, "sxtb16">;
2340 // For disassembly only
2341 defm SXTAB16 : AI_exta_rrot_np<0b01101000, "sxtab16">;
2345 let AddedComplexity = 16 in {
2346 defm UXTB : AI_ext_rrot<0b01101110,
2347 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
2348 defm UXTH : AI_ext_rrot<0b01101111,
2349 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
2350 defm UXTB16 : AI_ext_rrot<0b01101100,
2351 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
2353 // FIXME: This pattern incorrectly assumes the shl operator is a rotate.
2354 // The transformation should probably be done as a combiner action
2355 // instead so we can include a check for masking back in the upper
2356 // eight bits of the source into the lower eight bits of the result.
2357 //def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
2358 // (UXTB16r_rot GPR:$Src, 24)>;
2359 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
2360 (UXTB16r_rot GPR:$Src, 8)>;
2362 defm UXTAB : AI_exta_rrot<0b01101110, "uxtab",
2363 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
2364 defm UXTAH : AI_exta_rrot<0b01101111, "uxtah",
2365 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
2368 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
2369 // For disassembly only
2370 defm UXTAB16 : AI_exta_rrot_np<0b01101100, "uxtab16">;
2373 def SBFX : I<(outs GPR:$Rd),
2374 (ins GPR:$Rn, imm0_31:$lsb, imm0_31_m1:$width),
2375 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
2376 "sbfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
2377 Requires<[IsARM, HasV6T2]> {
2382 let Inst{27-21} = 0b0111101;
2383 let Inst{6-4} = 0b101;
2384 let Inst{20-16} = width;
2385 let Inst{15-12} = Rd;
2386 let Inst{11-7} = lsb;
2390 def UBFX : I<(outs GPR:$Rd),
2391 (ins GPR:$Rn, imm0_31:$lsb, imm0_31_m1:$width),
2392 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
2393 "ubfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
2394 Requires<[IsARM, HasV6T2]> {
2399 let Inst{27-21} = 0b0111111;
2400 let Inst{6-4} = 0b101;
2401 let Inst{20-16} = width;
2402 let Inst{15-12} = Rd;
2403 let Inst{11-7} = lsb;
2407 //===----------------------------------------------------------------------===//
2408 // Arithmetic Instructions.
2411 defm ADD : AsI1_bin_irs<0b0100, "add",
2412 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2413 BinOpFrag<(add node:$LHS, node:$RHS)>, "ADD", 1>;
2414 defm SUB : AsI1_bin_irs<0b0010, "sub",
2415 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2416 BinOpFrag<(sub node:$LHS, node:$RHS)>, "SUB">;
2418 // ADD and SUB with 's' bit set.
2419 defm ADDS : AI1_bin_s_irs<0b0100, "adds",
2420 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2421 BinOpFrag<(addc node:$LHS, node:$RHS)>, 1>;
2422 defm SUBS : AI1_bin_s_irs<0b0010, "subs",
2423 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2424 BinOpFrag<(subc node:$LHS, node:$RHS)>>;
2426 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
2427 BinOpFrag<(adde_dead_carry node:$LHS, node:$RHS)>,
2429 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
2430 BinOpFrag<(sube_dead_carry node:$LHS, node:$RHS)>,
2433 // ADC and SUBC with 's' bit set.
2434 let usesCustomInserter = 1 in {
2435 defm ADCS : AI1_adde_sube_s_irs<
2436 BinOpFrag<(adde_live_carry node:$LHS, node:$RHS)>, 1>;
2437 defm SBCS : AI1_adde_sube_s_irs<
2438 BinOpFrag<(sube_live_carry node:$LHS, node:$RHS) >>;
2441 def RSBri : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
2442 IIC_iALUi, "rsb", "\t$Rd, $Rn, $imm",
2443 [(set GPR:$Rd, (sub so_imm:$imm, GPR:$Rn))]> {
2448 let Inst{15-12} = Rd;
2449 let Inst{19-16} = Rn;
2450 let Inst{11-0} = imm;
2453 // The reg/reg form is only defined for the disassembler; for codegen it is
2454 // equivalent to SUBrr.
2455 def RSBrr : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
2456 IIC_iALUr, "rsb", "\t$Rd, $Rn, $Rm",
2457 [/* For disassembly only; pattern left blank */]> {
2461 let Inst{11-4} = 0b00000000;
2464 let Inst{15-12} = Rd;
2465 let Inst{19-16} = Rn;
2468 def RSBrsi : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_imm:$shift),
2469 DPSoRegImmFrm, IIC_iALUsr, "rsb", "\t$Rd, $Rn, $shift",
2470 [(set GPR:$Rd, (sub so_reg_imm:$shift, GPR:$Rn))]> {
2475 let Inst{19-16} = Rn;
2476 let Inst{15-12} = Rd;
2477 let Inst{11-5} = shift{11-5};
2479 let Inst{3-0} = shift{3-0};
2482 def RSBrsr : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_reg:$shift),
2483 DPSoRegRegFrm, IIC_iALUsr, "rsb", "\t$Rd, $Rn, $shift",
2484 [(set GPR:$Rd, (sub so_reg_reg:$shift, GPR:$Rn))]> {
2489 let Inst{19-16} = Rn;
2490 let Inst{15-12} = Rd;
2491 let Inst{11-8} = shift{11-8};
2493 let Inst{6-5} = shift{6-5};
2495 let Inst{3-0} = shift{3-0};
2498 // RSB with 's' bit set.
2499 // NOTE: CPSR def omitted because it will be handled by the custom inserter.
2500 let usesCustomInserter = 1 in {
2501 def RSBSri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2503 [(set GPR:$Rd, (subc so_imm:$imm, GPR:$Rn))]>;
2504 def RSBSrr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2506 [/* For disassembly only; pattern left blank */]>;
2507 def RSBSrsi : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg_imm:$shift),
2509 [(set GPR:$Rd, (subc so_reg_imm:$shift, GPR:$Rn))]>;
2510 def RSBSrsr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg_reg:$shift),
2512 [(set GPR:$Rd, (subc so_reg_reg:$shift, GPR:$Rn))]>;
2515 let Uses = [CPSR] in {
2516 def RSCri : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2517 DPFrm, IIC_iALUi, "rsc", "\t$Rd, $Rn, $imm",
2518 [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>,
2524 let Inst{15-12} = Rd;
2525 let Inst{19-16} = Rn;
2526 let Inst{11-0} = imm;
2528 // The reg/reg form is only defined for the disassembler; for codegen it is
2529 // equivalent to SUBrr.
2530 def RSCrr : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2531 DPFrm, IIC_iALUr, "rsc", "\t$Rd, $Rn, $Rm",
2532 [/* For disassembly only; pattern left blank */]> {
2536 let Inst{11-4} = 0b00000000;
2539 let Inst{15-12} = Rd;
2540 let Inst{19-16} = Rn;
2542 def RSCrsi : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_imm:$shift),
2543 DPSoRegImmFrm, IIC_iALUsr, "rsc", "\t$Rd, $Rn, $shift",
2544 [(set GPR:$Rd, (sube_dead_carry so_reg_imm:$shift, GPR:$Rn))]>,
2550 let Inst{19-16} = Rn;
2551 let Inst{15-12} = Rd;
2552 let Inst{11-5} = shift{11-5};
2554 let Inst{3-0} = shift{3-0};
2556 def RSCrsr : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_reg:$shift),
2557 DPSoRegRegFrm, IIC_iALUsr, "rsc", "\t$Rd, $Rn, $shift",
2558 [(set GPR:$Rd, (sube_dead_carry so_reg_reg:$shift, GPR:$Rn))]>,
2564 let Inst{19-16} = Rn;
2565 let Inst{15-12} = Rd;
2566 let Inst{11-8} = shift{11-8};
2568 let Inst{6-5} = shift{6-5};
2570 let Inst{3-0} = shift{3-0};
2575 // NOTE: CPSR def omitted because it will be handled by the custom inserter.
2576 let usesCustomInserter = 1, Uses = [CPSR] in {
2577 def RSCSri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2579 [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>;
2580 def RSCSrsi : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg_imm:$shift),
2582 [(set GPR:$Rd, (sube_dead_carry so_reg_imm:$shift, GPR:$Rn))]>;
2583 def RSCSrsr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg_reg:$shift),
2585 [(set GPR:$Rd, (sube_dead_carry so_reg_reg:$shift, GPR:$Rn))]>;
2588 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
2589 // The assume-no-carry-in form uses the negation of the input since add/sub
2590 // assume opposite meanings of the carry flag (i.e., carry == !borrow).
2591 // See the definition of AddWithCarry() in the ARM ARM A2.2.1 for the gory
2593 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
2594 (SUBri GPR:$src, so_imm_neg:$imm)>;
2595 def : ARMPat<(addc GPR:$src, so_imm_neg:$imm),
2596 (SUBSri GPR:$src, so_imm_neg:$imm)>;
2597 // The with-carry-in form matches bitwise not instead of the negation.
2598 // Effectively, the inverse interpretation of the carry flag already accounts
2599 // for part of the negation.
2600 def : ARMPat<(adde_dead_carry GPR:$src, so_imm_not:$imm),
2601 (SBCri GPR:$src, so_imm_not:$imm)>;
2602 def : ARMPat<(adde_live_carry GPR:$src, so_imm_not:$imm),
2603 (SBCSri GPR:$src, so_imm_not:$imm)>;
2605 // Note: These are implemented in C++ code, because they have to generate
2606 // ADD/SUBrs instructions, which use a complex pattern that a xform function
2608 // (mul X, 2^n+1) -> (add (X << n), X)
2609 // (mul X, 2^n-1) -> (rsb X, (X << n))
2611 // ARM Arithmetic Instruction
2612 // GPR:$dst = GPR:$a op GPR:$b
2613 class AAI<bits<8> op27_20, bits<8> op11_4, string opc,
2614 list<dag> pattern = [],
2615 dag iops = (ins GPR:$Rn, GPR:$Rm), string asm = "\t$Rd, $Rn, $Rm">
2616 : AI<(outs GPR:$Rd), iops, DPFrm, IIC_iALUr, opc, asm, pattern> {
2620 let Inst{27-20} = op27_20;
2621 let Inst{11-4} = op11_4;
2622 let Inst{19-16} = Rn;
2623 let Inst{15-12} = Rd;
2627 // Saturating add/subtract
2629 def QADD : AAI<0b00010000, 0b00000101, "qadd",
2630 [(set GPR:$Rd, (int_arm_qadd GPR:$Rm, GPR:$Rn))],
2631 (ins GPR:$Rm, GPR:$Rn), "\t$Rd, $Rm, $Rn">;
2632 def QSUB : AAI<0b00010010, 0b00000101, "qsub",
2633 [(set GPR:$Rd, (int_arm_qsub GPR:$Rm, GPR:$Rn))],
2634 (ins GPR:$Rm, GPR:$Rn), "\t$Rd, $Rm, $Rn">;
2635 def QDADD : AAI<0b00010100, 0b00000101, "qdadd", [], (ins GPR:$Rm, GPR:$Rn),
2637 def QDSUB : AAI<0b00010110, 0b00000101, "qdsub", [], (ins GPR:$Rm, GPR:$Rn),
2640 def QADD16 : AAI<0b01100010, 0b11110001, "qadd16">;
2641 def QADD8 : AAI<0b01100010, 0b11111001, "qadd8">;
2642 def QASX : AAI<0b01100010, 0b11110011, "qasx">;
2643 def QSAX : AAI<0b01100010, 0b11110101, "qsax">;
2644 def QSUB16 : AAI<0b01100010, 0b11110111, "qsub16">;
2645 def QSUB8 : AAI<0b01100010, 0b11111111, "qsub8">;
2646 def UQADD16 : AAI<0b01100110, 0b11110001, "uqadd16">;
2647 def UQADD8 : AAI<0b01100110, 0b11111001, "uqadd8">;
2648 def UQASX : AAI<0b01100110, 0b11110011, "uqasx">;
2649 def UQSAX : AAI<0b01100110, 0b11110101, "uqsax">;
2650 def UQSUB16 : AAI<0b01100110, 0b11110111, "uqsub16">;
2651 def UQSUB8 : AAI<0b01100110, 0b11111111, "uqsub8">;
2653 // Signed/Unsigned add/subtract
2655 def SASX : AAI<0b01100001, 0b11110011, "sasx">;
2656 def SADD16 : AAI<0b01100001, 0b11110001, "sadd16">;
2657 def SADD8 : AAI<0b01100001, 0b11111001, "sadd8">;
2658 def SSAX : AAI<0b01100001, 0b11110101, "ssax">;
2659 def SSUB16 : AAI<0b01100001, 0b11110111, "ssub16">;
2660 def SSUB8 : AAI<0b01100001, 0b11111111, "ssub8">;
2661 def UASX : AAI<0b01100101, 0b11110011, "uasx">;
2662 def UADD16 : AAI<0b01100101, 0b11110001, "uadd16">;
2663 def UADD8 : AAI<0b01100101, 0b11111001, "uadd8">;
2664 def USAX : AAI<0b01100101, 0b11110101, "usax">;
2665 def USUB16 : AAI<0b01100101, 0b11110111, "usub16">;
2666 def USUB8 : AAI<0b01100101, 0b11111111, "usub8">;
2668 // Signed/Unsigned halving add/subtract
2670 def SHASX : AAI<0b01100011, 0b11110011, "shasx">;
2671 def SHADD16 : AAI<0b01100011, 0b11110001, "shadd16">;
2672 def SHADD8 : AAI<0b01100011, 0b11111001, "shadd8">;
2673 def SHSAX : AAI<0b01100011, 0b11110101, "shsax">;
2674 def SHSUB16 : AAI<0b01100011, 0b11110111, "shsub16">;
2675 def SHSUB8 : AAI<0b01100011, 0b11111111, "shsub8">;
2676 def UHASX : AAI<0b01100111, 0b11110011, "uhasx">;
2677 def UHADD16 : AAI<0b01100111, 0b11110001, "uhadd16">;
2678 def UHADD8 : AAI<0b01100111, 0b11111001, "uhadd8">;
2679 def UHSAX : AAI<0b01100111, 0b11110101, "uhsax">;
2680 def UHSUB16 : AAI<0b01100111, 0b11110111, "uhsub16">;
2681 def UHSUB8 : AAI<0b01100111, 0b11111111, "uhsub8">;
2683 // Unsigned Sum of Absolute Differences [and Accumulate] -- for disassembly only
2685 def USAD8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2686 MulFrm /* for convenience */, NoItinerary, "usad8",
2687 "\t$Rd, $Rn, $Rm", []>,
2688 Requires<[IsARM, HasV6]> {
2692 let Inst{27-20} = 0b01111000;
2693 let Inst{15-12} = 0b1111;
2694 let Inst{7-4} = 0b0001;
2695 let Inst{19-16} = Rd;
2696 let Inst{11-8} = Rm;
2699 def USADA8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2700 MulFrm /* for convenience */, NoItinerary, "usada8",
2701 "\t$Rd, $Rn, $Rm, $Ra", []>,
2702 Requires<[IsARM, HasV6]> {
2707 let Inst{27-20} = 0b01111000;
2708 let Inst{7-4} = 0b0001;
2709 let Inst{19-16} = Rd;
2710 let Inst{15-12} = Ra;
2711 let Inst{11-8} = Rm;
2715 // Signed/Unsigned saturate -- for disassembly only
2717 def SSAT : AI<(outs GPR:$Rd), (ins imm1_32:$sat_imm, GPR:$Rn, shift_imm:$sh),
2718 SatFrm, NoItinerary, "ssat", "\t$Rd, $sat_imm, $Rn$sh", []> {
2723 let Inst{27-21} = 0b0110101;
2724 let Inst{5-4} = 0b01;
2725 let Inst{20-16} = sat_imm;
2726 let Inst{15-12} = Rd;
2727 let Inst{11-7} = sh{4-0};
2728 let Inst{6} = sh{5};
2732 def SSAT16 : AI<(outs GPR:$Rd), (ins imm1_16:$sat_imm, GPR:$Rn), SatFrm,
2733 NoItinerary, "ssat16", "\t$Rd, $sat_imm, $Rn", []> {
2737 let Inst{27-20} = 0b01101010;
2738 let Inst{11-4} = 0b11110011;
2739 let Inst{15-12} = Rd;
2740 let Inst{19-16} = sat_imm;
2744 def USAT : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$Rn, shift_imm:$sh),
2745 SatFrm, NoItinerary, "usat", "\t$Rd, $sat_imm, $Rn$sh", []> {
2750 let Inst{27-21} = 0b0110111;
2751 let Inst{5-4} = 0b01;
2752 let Inst{15-12} = Rd;
2753 let Inst{11-7} = sh{4-0};
2754 let Inst{6} = sh{5};
2755 let Inst{20-16} = sat_imm;
2759 def USAT16 : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a), SatFrm,
2760 NoItinerary, "usat16", "\t$Rd, $sat_imm, $a",
2761 [/* For disassembly only; pattern left blank */]> {
2765 let Inst{27-20} = 0b01101110;
2766 let Inst{11-4} = 0b11110011;
2767 let Inst{15-12} = Rd;
2768 let Inst{19-16} = sat_imm;
2772 def : ARMV6Pat<(int_arm_ssat GPR:$a, imm:$pos), (SSAT imm:$pos, GPR:$a, 0)>;
2773 def : ARMV6Pat<(int_arm_usat GPR:$a, imm:$pos), (USAT imm:$pos, GPR:$a, 0)>;
2775 //===----------------------------------------------------------------------===//
2776 // Bitwise Instructions.
2779 defm AND : AsI1_bin_irs<0b0000, "and",
2780 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2781 BinOpFrag<(and node:$LHS, node:$RHS)>, "AND", 1>;
2782 defm ORR : AsI1_bin_irs<0b1100, "orr",
2783 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2784 BinOpFrag<(or node:$LHS, node:$RHS)>, "ORR", 1>;
2785 defm EOR : AsI1_bin_irs<0b0001, "eor",
2786 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2787 BinOpFrag<(xor node:$LHS, node:$RHS)>, "EOR", 1>;
2788 defm BIC : AsI1_bin_irs<0b1110, "bic",
2789 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2790 BinOpFrag<(and node:$LHS, (not node:$RHS))>, "BIC">;
2792 def BFC : I<(outs GPR:$Rd), (ins GPR:$src, bf_inv_mask_imm:$imm),
2793 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
2794 "bfc", "\t$Rd, $imm", "$src = $Rd",
2795 [(set GPR:$Rd, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
2796 Requires<[IsARM, HasV6T2]> {
2799 let Inst{27-21} = 0b0111110;
2800 let Inst{6-0} = 0b0011111;
2801 let Inst{15-12} = Rd;
2802 let Inst{11-7} = imm{4-0}; // lsb
2803 let Inst{20-16} = imm{9-5}; // width
2806 // A8.6.18 BFI - Bitfield insert (Encoding A1)
2807 def BFI : I<(outs GPR:$Rd), (ins GPR:$src, GPR:$Rn, bf_inv_mask_imm:$imm),
2808 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
2809 "bfi", "\t$Rd, $Rn, $imm", "$src = $Rd",
2810 [(set GPR:$Rd, (ARMbfi GPR:$src, GPR:$Rn,
2811 bf_inv_mask_imm:$imm))]>,
2812 Requires<[IsARM, HasV6T2]> {
2816 let Inst{27-21} = 0b0111110;
2817 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
2818 let Inst{15-12} = Rd;
2819 let Inst{11-7} = imm{4-0}; // lsb
2820 let Inst{20-16} = imm{9-5}; // width
2824 // GNU as only supports this form of bfi (w/ 4 arguments)
2825 let isAsmParserOnly = 1 in
2826 def BFI4p : I<(outs GPR:$Rd), (ins GPR:$src, GPR:$Rn,
2827 lsb_pos_imm:$lsb, width_imm:$width),
2828 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
2829 "bfi", "\t$Rd, $Rn, $lsb, $width", "$src = $Rd",
2830 []>, Requires<[IsARM, HasV6T2]> {
2835 let Inst{27-21} = 0b0111110;
2836 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
2837 let Inst{15-12} = Rd;
2838 let Inst{11-7} = lsb;
2839 let Inst{20-16} = width; // Custom encoder => lsb+width-1
2843 def MVNr : AsI1<0b1111, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMVNr,
2844 "mvn", "\t$Rd, $Rm",
2845 [(set GPR:$Rd, (not GPR:$Rm))]>, UnaryDP {
2849 let Inst{19-16} = 0b0000;
2850 let Inst{11-4} = 0b00000000;
2851 let Inst{15-12} = Rd;
2854 def MVNsi : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg_imm:$shift), DPSoRegImmFrm,
2855 IIC_iMVNsr, "mvn", "\t$Rd, $shift",
2856 [(set GPR:$Rd, (not so_reg_imm:$shift))]>, UnaryDP {
2860 let Inst{19-16} = 0b0000;
2861 let Inst{15-12} = Rd;
2862 let Inst{11-5} = shift{11-5};
2864 let Inst{3-0} = shift{3-0};
2866 def MVNsr : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg_reg:$shift), DPSoRegRegFrm,
2867 IIC_iMVNsr, "mvn", "\t$Rd, $shift",
2868 [(set GPR:$Rd, (not so_reg_reg:$shift))]>, UnaryDP {
2872 let Inst{19-16} = 0b0000;
2873 let Inst{15-12} = Rd;
2874 let Inst{11-8} = shift{11-8};
2876 let Inst{6-5} = shift{6-5};
2878 let Inst{3-0} = shift{3-0};
2880 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
2881 def MVNi : AsI1<0b1111, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm,
2882 IIC_iMVNi, "mvn", "\t$Rd, $imm",
2883 [(set GPR:$Rd, so_imm_not:$imm)]>,UnaryDP {
2887 let Inst{19-16} = 0b0000;
2888 let Inst{15-12} = Rd;
2889 let Inst{11-0} = imm;
2892 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
2893 (BICri GPR:$src, so_imm_not:$imm)>;
2895 //===----------------------------------------------------------------------===//
2896 // Multiply Instructions.
2898 class AsMul1I32<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
2899 string opc, string asm, list<dag> pattern>
2900 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
2904 let Inst{19-16} = Rd;
2905 let Inst{11-8} = Rm;
2908 class AsMul1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
2909 string opc, string asm, list<dag> pattern>
2910 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
2915 let Inst{19-16} = RdHi;
2916 let Inst{15-12} = RdLo;
2917 let Inst{11-8} = Rm;
2921 // FIXME: The v5 pseudos are only necessary for the additional Constraint
2922 // property. Remove them when it's possible to add those properties
2923 // on an individual MachineInstr, not just an instuction description.
2924 let isCommutable = 1 in {
2925 def MUL : AsMul1I32<0b0000000, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2926 IIC_iMUL32, "mul", "\t$Rd, $Rn, $Rm",
2927 [(set GPR:$Rd, (mul GPR:$Rn, GPR:$Rm))]>,
2928 Requires<[IsARM, HasV6]> {
2929 let Inst{15-12} = 0b0000;
2932 let Constraints = "@earlyclobber $Rd" in
2933 def MULv5: ARMPseudoExpand<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
2934 pred:$p, cc_out:$s),
2936 [(set GPR:$Rd, (mul GPR:$Rn, GPR:$Rm))],
2937 (MUL GPR:$Rd, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
2938 Requires<[IsARM, NoV6]>;
2941 def MLA : AsMul1I32<0b0000001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2942 IIC_iMAC32, "mla", "\t$Rd, $Rn, $Rm, $Ra",
2943 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
2944 Requires<[IsARM, HasV6]> {
2946 let Inst{15-12} = Ra;
2949 let Constraints = "@earlyclobber $Rd" in
2950 def MLAv5: ARMPseudoExpand<(outs GPR:$Rd),
2951 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra, pred:$p, cc_out:$s),
2953 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))],
2954 (MLA GPR:$Rd, GPR:$Rn, GPR:$Rm, GPR:$Ra, pred:$p, cc_out:$s)>,
2955 Requires<[IsARM, NoV6]>;
2957 def MLS : AMul1I<0b0000011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2958 IIC_iMAC32, "mls", "\t$Rd, $Rn, $Rm, $Ra",
2959 [(set GPR:$Rd, (sub GPR:$Ra, (mul GPR:$Rn, GPR:$Rm)))]>,
2960 Requires<[IsARM, HasV6T2]> {
2965 let Inst{19-16} = Rd;
2966 let Inst{15-12} = Ra;
2967 let Inst{11-8} = Rm;
2971 // Extra precision multiplies with low / high results
2972 let neverHasSideEffects = 1 in {
2973 let isCommutable = 1 in {
2974 def SMULL : AsMul1I64<0b0000110, (outs GPR:$RdLo, GPR:$RdHi),
2975 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
2976 "smull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2977 Requires<[IsARM, HasV6]>;
2979 def UMULL : AsMul1I64<0b0000100, (outs GPR:$RdLo, GPR:$RdHi),
2980 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
2981 "umull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2982 Requires<[IsARM, HasV6]>;
2984 let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
2985 def SMULLv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
2986 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
2988 (SMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
2989 Requires<[IsARM, NoV6]>;
2991 def UMULLv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
2992 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
2994 (UMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
2995 Requires<[IsARM, NoV6]>;
2999 // Multiply + accumulate
3000 def SMLAL : AsMul1I64<0b0000111, (outs GPR:$RdLo, GPR:$RdHi),
3001 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
3002 "smlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3003 Requires<[IsARM, HasV6]>;
3004 def UMLAL : AsMul1I64<0b0000101, (outs GPR:$RdLo, GPR:$RdHi),
3005 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
3006 "umlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3007 Requires<[IsARM, HasV6]>;
3009 def UMAAL : AMul1I <0b0000010, (outs GPR:$RdLo, GPR:$RdHi),
3010 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
3011 "umaal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3012 Requires<[IsARM, HasV6]> {
3017 let Inst{19-16} = RdLo;
3018 let Inst{15-12} = RdHi;
3019 let Inst{11-8} = Rm;
3023 let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
3024 def SMLALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3025 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
3027 (SMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3028 Requires<[IsARM, NoV6]>;
3029 def UMLALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3030 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
3032 (UMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3033 Requires<[IsARM, NoV6]>;
3034 def UMAALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3035 (ins GPR:$Rn, GPR:$Rm, pred:$p),
3037 (UMAAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p)>,
3038 Requires<[IsARM, NoV6]>;
3041 } // neverHasSideEffects
3043 // Most significant word multiply
3044 def SMMUL : AMul2I <0b0111010, 0b0001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3045 IIC_iMUL32, "smmul", "\t$Rd, $Rn, $Rm",
3046 [(set GPR:$Rd, (mulhs GPR:$Rn, GPR:$Rm))]>,
3047 Requires<[IsARM, HasV6]> {
3048 let Inst{15-12} = 0b1111;
3051 def SMMULR : AMul2I <0b0111010, 0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3052 IIC_iMUL32, "smmulr", "\t$Rd, $Rn, $Rm",
3053 [/* For disassembly only; pattern left blank */]>,
3054 Requires<[IsARM, HasV6]> {
3055 let Inst{15-12} = 0b1111;
3058 def SMMLA : AMul2Ia <0b0111010, 0b0001, (outs GPR:$Rd),
3059 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3060 IIC_iMAC32, "smmla", "\t$Rd, $Rn, $Rm, $Ra",
3061 [(set GPR:$Rd, (add (mulhs GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
3062 Requires<[IsARM, HasV6]>;
3064 def SMMLAR : AMul2Ia <0b0111010, 0b0011, (outs GPR:$Rd),
3065 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3066 IIC_iMAC32, "smmlar", "\t$Rd, $Rn, $Rm, $Ra",
3067 [/* For disassembly only; pattern left blank */]>,
3068 Requires<[IsARM, HasV6]>;
3070 def SMMLS : AMul2Ia <0b0111010, 0b1101, (outs GPR:$Rd),
3071 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3072 IIC_iMAC32, "smmls", "\t$Rd, $Rn, $Rm, $Ra",
3073 [(set GPR:$Rd, (sub GPR:$Ra, (mulhs GPR:$Rn, GPR:$Rm)))]>,
3074 Requires<[IsARM, HasV6]>;
3076 def SMMLSR : AMul2Ia <0b0111010, 0b1111, (outs GPR:$Rd),
3077 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3078 IIC_iMAC32, "smmlsr", "\t$Rd, $Rn, $Rm, $Ra",
3079 [/* For disassembly only; pattern left blank */]>,
3080 Requires<[IsARM, HasV6]>;
3082 multiclass AI_smul<string opc, PatFrag opnode> {
3083 def BB : AMulxyI<0b0001011, 0b00, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3084 IIC_iMUL16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm",
3085 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
3086 (sext_inreg GPR:$Rm, i16)))]>,
3087 Requires<[IsARM, HasV5TE]>;
3089 def BT : AMulxyI<0b0001011, 0b10, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3090 IIC_iMUL16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm",
3091 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
3092 (sra GPR:$Rm, (i32 16))))]>,
3093 Requires<[IsARM, HasV5TE]>;
3095 def TB : AMulxyI<0b0001011, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3096 IIC_iMUL16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm",
3097 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
3098 (sext_inreg GPR:$Rm, i16)))]>,
3099 Requires<[IsARM, HasV5TE]>;
3101 def TT : AMulxyI<0b0001011, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3102 IIC_iMUL16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm",
3103 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
3104 (sra GPR:$Rm, (i32 16))))]>,
3105 Requires<[IsARM, HasV5TE]>;
3107 def WB : AMulxyI<0b0001001, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3108 IIC_iMUL16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm",
3109 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
3110 (sext_inreg GPR:$Rm, i16)), (i32 16)))]>,
3111 Requires<[IsARM, HasV5TE]>;
3113 def WT : AMulxyI<0b0001001, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3114 IIC_iMUL16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm",
3115 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
3116 (sra GPR:$Rm, (i32 16))), (i32 16)))]>,
3117 Requires<[IsARM, HasV5TE]>;
3121 multiclass AI_smla<string opc, PatFrag opnode> {
3122 def BB : AMulxyIa<0b0001000, 0b00, (outs GPR:$Rd),
3123 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3124 IIC_iMAC16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm, $Ra",
3125 [(set GPR:$Rd, (add GPR:$Ra,
3126 (opnode (sext_inreg GPR:$Rn, i16),
3127 (sext_inreg GPR:$Rm, i16))))]>,
3128 Requires<[IsARM, HasV5TE]>;
3130 def BT : AMulxyIa<0b0001000, 0b10, (outs GPR:$Rd),
3131 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3132 IIC_iMAC16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm, $Ra",
3133 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sext_inreg GPR:$Rn, i16),
3134 (sra GPR:$Rm, (i32 16)))))]>,
3135 Requires<[IsARM, HasV5TE]>;
3137 def TB : AMulxyIa<0b0001000, 0b01, (outs GPR:$Rd),
3138 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3139 IIC_iMAC16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm, $Ra",
3140 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sra GPR:$Rn, (i32 16)),
3141 (sext_inreg GPR:$Rm, i16))))]>,
3142 Requires<[IsARM, HasV5TE]>;
3144 def TT : AMulxyIa<0b0001000, 0b11, (outs GPR:$Rd),
3145 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3146 IIC_iMAC16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm, $Ra",
3147 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sra GPR:$Rn, (i32 16)),
3148 (sra GPR:$Rm, (i32 16)))))]>,
3149 Requires<[IsARM, HasV5TE]>;
3151 def WB : AMulxyIa<0b0001001, 0b00, (outs GPR:$Rd),
3152 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3153 IIC_iMAC16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm, $Ra",
3154 [(set GPR:$Rd, (add GPR:$Ra, (sra (opnode GPR:$Rn,
3155 (sext_inreg GPR:$Rm, i16)), (i32 16))))]>,
3156 Requires<[IsARM, HasV5TE]>;
3158 def WT : AMulxyIa<0b0001001, 0b10, (outs GPR:$Rd),
3159 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3160 IIC_iMAC16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm, $Ra",
3161 [(set GPR:$Rd, (add GPR:$Ra, (sra (opnode GPR:$Rn,
3162 (sra GPR:$Rm, (i32 16))), (i32 16))))]>,
3163 Requires<[IsARM, HasV5TE]>;
3166 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
3167 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
3169 // Halfword multiply accumulate long: SMLAL<x><y> -- for disassembly only
3170 def SMLALBB : AMulxyI64<0b0001010, 0b00, (outs GPR:$RdLo, GPR:$RdHi),
3171 (ins GPR:$Rn, GPR:$Rm),
3172 IIC_iMAC64, "smlalbb", "\t$RdLo, $RdHi, $Rn, $Rm",
3173 [/* For disassembly only; pattern left blank */]>,
3174 Requires<[IsARM, HasV5TE]>;
3176 def SMLALBT : AMulxyI64<0b0001010, 0b10, (outs GPR:$RdLo, GPR:$RdHi),
3177 (ins GPR:$Rn, GPR:$Rm),
3178 IIC_iMAC64, "smlalbt", "\t$RdLo, $RdHi, $Rn, $Rm",
3179 [/* For disassembly only; pattern left blank */]>,
3180 Requires<[IsARM, HasV5TE]>;
3182 def SMLALTB : AMulxyI64<0b0001010, 0b01, (outs GPR:$RdLo, GPR:$RdHi),
3183 (ins GPR:$Rn, GPR:$Rm),
3184 IIC_iMAC64, "smlaltb", "\t$RdLo, $RdHi, $Rn, $Rm",
3185 [/* For disassembly only; pattern left blank */]>,
3186 Requires<[IsARM, HasV5TE]>;
3188 def SMLALTT : AMulxyI64<0b0001010, 0b11, (outs GPR:$RdLo, GPR:$RdHi),
3189 (ins GPR:$Rn, GPR:$Rm),
3190 IIC_iMAC64, "smlaltt", "\t$RdLo, $RdHi, $Rn, $Rm",
3191 [/* For disassembly only; pattern left blank */]>,
3192 Requires<[IsARM, HasV5TE]>;
3194 // Helper class for AI_smld -- for disassembly only
3195 class AMulDualIbase<bit long, bit sub, bit swap, dag oops, dag iops,
3196 InstrItinClass itin, string opc, string asm>
3197 : AI<oops, iops, MulFrm, itin, opc, asm, []>, Requires<[IsARM, HasV6]> {
3200 let Inst{27-23} = 0b01110;
3201 let Inst{22} = long;
3202 let Inst{21-20} = 0b00;
3203 let Inst{11-8} = Rm;
3210 class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
3211 InstrItinClass itin, string opc, string asm>
3212 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
3214 let Inst{15-12} = 0b1111;
3215 let Inst{19-16} = Rd;
3217 class AMulDualIa<bit long, bit sub, bit swap, dag oops, dag iops,
3218 InstrItinClass itin, string opc, string asm>
3219 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
3222 let Inst{19-16} = Rd;
3223 let Inst{15-12} = Ra;
3225 class AMulDualI64<bit long, bit sub, bit swap, dag oops, dag iops,
3226 InstrItinClass itin, string opc, string asm>
3227 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
3230 let Inst{19-16} = RdHi;
3231 let Inst{15-12} = RdLo;
3234 multiclass AI_smld<bit sub, string opc> {
3236 def D : AMulDualIa<0, sub, 0, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3237 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm, $Ra">;
3239 def DX: AMulDualIa<0, sub, 1, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3240 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm, $Ra">;
3242 def LD: AMulDualI64<1, sub, 0, (outs GPR:$RdLo,GPR:$RdHi),
3243 (ins GPR:$Rn, GPR:$Rm), NoItinerary,
3244 !strconcat(opc, "ld"), "\t$RdLo, $RdHi, $Rn, $Rm">;
3246 def LDX : AMulDualI64<1, sub, 1, (outs GPR:$RdLo,GPR:$RdHi),
3247 (ins GPR:$Rn, GPR:$Rm), NoItinerary,
3248 !strconcat(opc, "ldx"),"\t$RdLo, $RdHi, $Rn, $Rm">;
3252 defm SMLA : AI_smld<0, "smla">;
3253 defm SMLS : AI_smld<1, "smls">;
3255 multiclass AI_sdml<bit sub, string opc> {
3257 def D : AMulDualI<0, sub, 0, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3258 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm">;
3259 def DX : AMulDualI<0, sub, 1, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3260 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm">;
3263 defm SMUA : AI_sdml<0, "smua">;
3264 defm SMUS : AI_sdml<1, "smus">;
3266 //===----------------------------------------------------------------------===//
3267 // Misc. Arithmetic Instructions.
3270 def CLZ : AMiscA1I<0b000010110, 0b0001, (outs GPR:$Rd), (ins GPR:$Rm),
3271 IIC_iUNAr, "clz", "\t$Rd, $Rm",
3272 [(set GPR:$Rd, (ctlz GPR:$Rm))]>, Requires<[IsARM, HasV5T]>;
3274 def RBIT : AMiscA1I<0b01101111, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
3275 IIC_iUNAr, "rbit", "\t$Rd, $Rm",
3276 [(set GPR:$Rd, (ARMrbit GPR:$Rm))]>,
3277 Requires<[IsARM, HasV6T2]>;
3279 def REV : AMiscA1I<0b01101011, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
3280 IIC_iUNAr, "rev", "\t$Rd, $Rm",
3281 [(set GPR:$Rd, (bswap GPR:$Rm))]>, Requires<[IsARM, HasV6]>;
3283 let AddedComplexity = 5 in
3284 def REV16 : AMiscA1I<0b01101011, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
3285 IIC_iUNAr, "rev16", "\t$Rd, $Rm",
3286 [(set GPR:$Rd, (rotr (bswap GPR:$Rm), (i32 16)))]>,
3287 Requires<[IsARM, HasV6]>;
3289 let AddedComplexity = 5 in
3290 def REVSH : AMiscA1I<0b01101111, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
3291 IIC_iUNAr, "revsh", "\t$Rd, $Rm",
3292 [(set GPR:$Rd, (sra (bswap GPR:$Rm), (i32 16)))]>,
3293 Requires<[IsARM, HasV6]>;
3295 def : ARMV6Pat<(or (sra (shl GPR:$Rm, (i32 24)), (i32 16)),
3296 (and (srl GPR:$Rm, (i32 8)), 0xFF)),
3299 def PKHBT : APKHI<0b01101000, 0, (outs GPR:$Rd),
3300 (ins GPR:$Rn, GPR:$Rm, pkh_lsl_amt:$sh),
3301 IIC_iALUsi, "pkhbt", "\t$Rd, $Rn, $Rm$sh",
3302 [(set GPR:$Rd, (or (and GPR:$Rn, 0xFFFF),
3303 (and (shl GPR:$Rm, pkh_lsl_amt:$sh),
3305 Requires<[IsARM, HasV6]>;
3307 // Alternate cases for PKHBT where identities eliminate some nodes.
3308 def : ARMV6Pat<(or (and GPR:$Rn, 0xFFFF), (and GPR:$Rm, 0xFFFF0000)),
3309 (PKHBT GPR:$Rn, GPR:$Rm, 0)>;
3310 def : ARMV6Pat<(or (and GPR:$Rn, 0xFFFF), (shl GPR:$Rm, imm16_31:$sh)),
3311 (PKHBT GPR:$Rn, GPR:$Rm, imm16_31:$sh)>;
3313 // Note: Shifts of 1-15 bits will be transformed to srl instead of sra and
3314 // will match the pattern below.
3315 def PKHTB : APKHI<0b01101000, 1, (outs GPR:$Rd),
3316 (ins GPR:$Rn, GPR:$Rm, pkh_asr_amt:$sh),
3317 IIC_iBITsi, "pkhtb", "\t$Rd, $Rn, $Rm$sh",
3318 [(set GPR:$Rd, (or (and GPR:$Rn, 0xFFFF0000),
3319 (and (sra GPR:$Rm, pkh_asr_amt:$sh),
3321 Requires<[IsARM, HasV6]>;
3323 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
3324 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
3325 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000), (srl GPR:$src2, imm16_31:$sh)),
3326 (PKHTB GPR:$src1, GPR:$src2, imm16_31:$sh)>;
3327 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000),
3328 (and (srl GPR:$src2, imm1_15:$sh), 0xFFFF)),
3329 (PKHTB GPR:$src1, GPR:$src2, imm1_15:$sh)>;
3331 //===----------------------------------------------------------------------===//
3332 // Comparison Instructions...
3335 defm CMP : AI1_cmp_irs<0b1010, "cmp",
3336 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
3337 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
3339 // ARMcmpZ can re-use the above instruction definitions.
3340 def : ARMPat<(ARMcmpZ GPR:$src, so_imm:$imm),
3341 (CMPri GPR:$src, so_imm:$imm)>;
3342 def : ARMPat<(ARMcmpZ GPR:$src, GPR:$rhs),
3343 (CMPrr GPR:$src, GPR:$rhs)>;
3344 def : ARMPat<(ARMcmpZ GPR:$src, so_reg_imm:$rhs),
3345 (CMPrsi GPR:$src, so_reg_imm:$rhs)>;
3346 def : ARMPat<(ARMcmpZ GPR:$src, so_reg_reg:$rhs),
3347 (CMPrsr GPR:$src, so_reg_reg:$rhs)>;
3349 // FIXME: We have to be careful when using the CMN instruction and comparison
3350 // with 0. One would expect these two pieces of code should give identical
3366 // However, the CMN gives the *opposite* result when r1 is 0. This is because
3367 // the carry flag is set in the CMP case but not in the CMN case. In short, the
3368 // CMP instruction doesn't perform a truncate of the (logical) NOT of 0 plus the
3369 // value of r0 and the carry bit (because the "carry bit" parameter to
3370 // AddWithCarry is defined as 1 in this case, the carry flag will always be set
3371 // when r0 >= 0). The CMN instruction doesn't perform a NOT of 0 so there is
3372 // never a "carry" when this AddWithCarry is performed (because the "carry bit"
3373 // parameter to AddWithCarry is defined as 0).
3375 // When x is 0 and unsigned:
3379 // ~x + 1 = 0x1 0000 0000
3380 // (-x = 0) != (0x1 0000 0000 = ~x + 1)
3382 // Therefore, we should disable CMN when comparing against zero, until we can
3383 // limit when the CMN instruction is used (when we know that the RHS is not 0 or
3384 // when it's a comparison which doesn't look at the 'carry' flag).
3386 // (See the ARM docs for the "AddWithCarry" pseudo-code.)
3388 // This is related to <rdar://problem/7569620>.
3390 //defm CMN : AI1_cmp_irs<0b1011, "cmn",
3391 // BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
3393 // Note that TST/TEQ don't set all the same flags that CMP does!
3394 defm TST : AI1_cmp_irs<0b1000, "tst",
3395 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
3396 BinOpFrag<(ARMcmpZ (and_su node:$LHS, node:$RHS), 0)>, 1>;
3397 defm TEQ : AI1_cmp_irs<0b1001, "teq",
3398 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
3399 BinOpFrag<(ARMcmpZ (xor_su node:$LHS, node:$RHS), 0)>, 1>;
3401 defm CMNz : AI1_cmp_irs<0b1011, "cmn",
3402 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
3403 BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>>;
3405 //def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
3406 // (CMNri GPR:$src, so_imm_neg:$imm)>;
3408 def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
3409 (CMNzri GPR:$src, so_imm_neg:$imm)>;
3411 // Pseudo i64 compares for some floating point compares.
3412 let usesCustomInserter = 1, isBranch = 1, isTerminator = 1,
3414 def BCCi64 : PseudoInst<(outs),
3415 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, brtarget:$dst),
3417 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, bb:$dst)]>;
3419 def BCCZi64 : PseudoInst<(outs),
3420 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, brtarget:$dst), IIC_Br,
3421 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, 0, 0, bb:$dst)]>;
3422 } // usesCustomInserter
3425 // Conditional moves
3426 // FIXME: should be able to write a pattern for ARMcmov, but can't use
3427 // a two-value operand where a dag node expects two operands. :(
3428 let neverHasSideEffects = 1 in {
3429 def MOVCCr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$false, GPR:$Rm, pred:$p),
3431 [/*(set GPR:$Rd, (ARMcmov GPR:$false, GPR:$Rm, imm:$cc, CCR:$ccr))*/]>,
3432 RegConstraint<"$false = $Rd">;
3433 def MOVCCsi : ARMPseudoInst<(outs GPR:$Rd),
3434 (ins GPR:$false, so_reg_imm:$shift, pred:$p),
3436 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_reg_imm:$shift, imm:$cc, CCR:$ccr))*/]>,
3437 RegConstraint<"$false = $Rd">;
3438 def MOVCCsr : ARMPseudoInst<(outs GPR:$Rd),
3439 (ins GPR:$false, so_reg_reg:$shift, pred:$p),
3441 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_reg_reg:$shift, imm:$cc, CCR:$ccr))*/]>,
3442 RegConstraint<"$false = $Rd">;
3445 let isMoveImm = 1 in
3446 def MOVCCi16 : ARMPseudoInst<(outs GPR:$Rd),
3447 (ins GPR:$false, imm0_65535_expr:$imm, pred:$p),
3450 RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>;
3452 let isMoveImm = 1 in
3453 def MOVCCi : ARMPseudoInst<(outs GPR:$Rd),
3454 (ins GPR:$false, so_imm:$imm, pred:$p),
3456 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm:$imm, imm:$cc, CCR:$ccr))*/]>,
3457 RegConstraint<"$false = $Rd">;
3459 // Two instruction predicate mov immediate.
3460 let isMoveImm = 1 in
3461 def MOVCCi32imm : ARMPseudoInst<(outs GPR:$Rd),
3462 (ins GPR:$false, i32imm:$src, pred:$p),
3463 8, IIC_iCMOVix2, []>, RegConstraint<"$false = $Rd">;
3465 let isMoveImm = 1 in
3466 def MVNCCi : ARMPseudoInst<(outs GPR:$Rd),
3467 (ins GPR:$false, so_imm:$imm, pred:$p),
3469 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm_not:$imm, imm:$cc, CCR:$ccr))*/]>,
3470 RegConstraint<"$false = $Rd">;
3471 } // neverHasSideEffects
3473 //===----------------------------------------------------------------------===//
3474 // Atomic operations intrinsics
3477 def MemBarrierOptOperand : AsmOperandClass {
3478 let Name = "MemBarrierOpt";
3479 let ParserMethod = "parseMemBarrierOptOperand";
3481 def memb_opt : Operand<i32> {
3482 let PrintMethod = "printMemBOption";
3483 let ParserMatchClass = MemBarrierOptOperand;
3486 // memory barriers protect the atomic sequences
3487 let hasSideEffects = 1 in {
3488 def DMB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
3489 "dmb", "\t$opt", [(ARMMemBarrier (i32 imm:$opt))]>,
3490 Requires<[IsARM, HasDB]> {
3492 let Inst{31-4} = 0xf57ff05;
3493 let Inst{3-0} = opt;
3497 def DSB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
3498 "dsb", "\t$opt", []>,
3499 Requires<[IsARM, HasDB]> {
3501 let Inst{31-4} = 0xf57ff04;
3502 let Inst{3-0} = opt;
3505 // ISB has only full system option
3506 def ISB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
3507 "isb", "\t$opt", []>,
3508 Requires<[IsARM, HasDB]> {
3510 let Inst{31-4} = 0xf57ff06;
3511 let Inst{3-0} = opt;
3514 let usesCustomInserter = 1 in {
3515 let Uses = [CPSR] in {
3516 def ATOMIC_LOAD_ADD_I8 : PseudoInst<
3517 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3518 [(set GPR:$dst, (atomic_load_add_8 GPR:$ptr, GPR:$incr))]>;
3519 def ATOMIC_LOAD_SUB_I8 : PseudoInst<
3520 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3521 [(set GPR:$dst, (atomic_load_sub_8 GPR:$ptr, GPR:$incr))]>;
3522 def ATOMIC_LOAD_AND_I8 : PseudoInst<
3523 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3524 [(set GPR:$dst, (atomic_load_and_8 GPR:$ptr, GPR:$incr))]>;
3525 def ATOMIC_LOAD_OR_I8 : PseudoInst<
3526 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3527 [(set GPR:$dst, (atomic_load_or_8 GPR:$ptr, GPR:$incr))]>;
3528 def ATOMIC_LOAD_XOR_I8 : PseudoInst<
3529 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3530 [(set GPR:$dst, (atomic_load_xor_8 GPR:$ptr, GPR:$incr))]>;
3531 def ATOMIC_LOAD_NAND_I8 : PseudoInst<
3532 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3533 [(set GPR:$dst, (atomic_load_nand_8 GPR:$ptr, GPR:$incr))]>;
3534 def ATOMIC_LOAD_MIN_I8 : PseudoInst<
3535 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3536 [(set GPR:$dst, (atomic_load_min_8 GPR:$ptr, GPR:$val))]>;
3537 def ATOMIC_LOAD_MAX_I8 : PseudoInst<
3538 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3539 [(set GPR:$dst, (atomic_load_max_8 GPR:$ptr, GPR:$val))]>;
3540 def ATOMIC_LOAD_UMIN_I8 : PseudoInst<
3541 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3542 [(set GPR:$dst, (atomic_load_min_8 GPR:$ptr, GPR:$val))]>;
3543 def ATOMIC_LOAD_UMAX_I8 : PseudoInst<
3544 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3545 [(set GPR:$dst, (atomic_load_max_8 GPR:$ptr, GPR:$val))]>;
3546 def ATOMIC_LOAD_ADD_I16 : PseudoInst<
3547 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3548 [(set GPR:$dst, (atomic_load_add_16 GPR:$ptr, GPR:$incr))]>;
3549 def ATOMIC_LOAD_SUB_I16 : PseudoInst<
3550 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3551 [(set GPR:$dst, (atomic_load_sub_16 GPR:$ptr, GPR:$incr))]>;
3552 def ATOMIC_LOAD_AND_I16 : PseudoInst<
3553 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3554 [(set GPR:$dst, (atomic_load_and_16 GPR:$ptr, GPR:$incr))]>;
3555 def ATOMIC_LOAD_OR_I16 : PseudoInst<
3556 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3557 [(set GPR:$dst, (atomic_load_or_16 GPR:$ptr, GPR:$incr))]>;
3558 def ATOMIC_LOAD_XOR_I16 : PseudoInst<
3559 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3560 [(set GPR:$dst, (atomic_load_xor_16 GPR:$ptr, GPR:$incr))]>;
3561 def ATOMIC_LOAD_NAND_I16 : PseudoInst<
3562 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3563 [(set GPR:$dst, (atomic_load_nand_16 GPR:$ptr, GPR:$incr))]>;
3564 def ATOMIC_LOAD_MIN_I16 : PseudoInst<
3565 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3566 [(set GPR:$dst, (atomic_load_min_16 GPR:$ptr, GPR:$val))]>;
3567 def ATOMIC_LOAD_MAX_I16 : PseudoInst<
3568 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3569 [(set GPR:$dst, (atomic_load_max_16 GPR:$ptr, GPR:$val))]>;
3570 def ATOMIC_LOAD_UMIN_I16 : PseudoInst<
3571 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3572 [(set GPR:$dst, (atomic_load_min_16 GPR:$ptr, GPR:$val))]>;
3573 def ATOMIC_LOAD_UMAX_I16 : PseudoInst<
3574 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3575 [(set GPR:$dst, (atomic_load_max_16 GPR:$ptr, GPR:$val))]>;
3576 def ATOMIC_LOAD_ADD_I32 : PseudoInst<
3577 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3578 [(set GPR:$dst, (atomic_load_add_32 GPR:$ptr, GPR:$incr))]>;
3579 def ATOMIC_LOAD_SUB_I32 : PseudoInst<
3580 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3581 [(set GPR:$dst, (atomic_load_sub_32 GPR:$ptr, GPR:$incr))]>;
3582 def ATOMIC_LOAD_AND_I32 : PseudoInst<
3583 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3584 [(set GPR:$dst, (atomic_load_and_32 GPR:$ptr, GPR:$incr))]>;
3585 def ATOMIC_LOAD_OR_I32 : PseudoInst<
3586 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3587 [(set GPR:$dst, (atomic_load_or_32 GPR:$ptr, GPR:$incr))]>;
3588 def ATOMIC_LOAD_XOR_I32 : PseudoInst<
3589 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3590 [(set GPR:$dst, (atomic_load_xor_32 GPR:$ptr, GPR:$incr))]>;
3591 def ATOMIC_LOAD_NAND_I32 : PseudoInst<
3592 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3593 [(set GPR:$dst, (atomic_load_nand_32 GPR:$ptr, GPR:$incr))]>;
3594 def ATOMIC_LOAD_MIN_I32 : PseudoInst<
3595 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3596 [(set GPR:$dst, (atomic_load_min_32 GPR:$ptr, GPR:$val))]>;
3597 def ATOMIC_LOAD_MAX_I32 : PseudoInst<
3598 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3599 [(set GPR:$dst, (atomic_load_max_32 GPR:$ptr, GPR:$val))]>;
3600 def ATOMIC_LOAD_UMIN_I32 : PseudoInst<
3601 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3602 [(set GPR:$dst, (atomic_load_min_32 GPR:$ptr, GPR:$val))]>;
3603 def ATOMIC_LOAD_UMAX_I32 : PseudoInst<
3604 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3605 [(set GPR:$dst, (atomic_load_max_32 GPR:$ptr, GPR:$val))]>;
3607 def ATOMIC_SWAP_I8 : PseudoInst<
3608 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
3609 [(set GPR:$dst, (atomic_swap_8 GPR:$ptr, GPR:$new))]>;
3610 def ATOMIC_SWAP_I16 : PseudoInst<
3611 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
3612 [(set GPR:$dst, (atomic_swap_16 GPR:$ptr, GPR:$new))]>;
3613 def ATOMIC_SWAP_I32 : PseudoInst<
3614 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
3615 [(set GPR:$dst, (atomic_swap_32 GPR:$ptr, GPR:$new))]>;
3617 def ATOMIC_CMP_SWAP_I8 : PseudoInst<
3618 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
3619 [(set GPR:$dst, (atomic_cmp_swap_8 GPR:$ptr, GPR:$old, GPR:$new))]>;
3620 def ATOMIC_CMP_SWAP_I16 : PseudoInst<
3621 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
3622 [(set GPR:$dst, (atomic_cmp_swap_16 GPR:$ptr, GPR:$old, GPR:$new))]>;
3623 def ATOMIC_CMP_SWAP_I32 : PseudoInst<
3624 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
3625 [(set GPR:$dst, (atomic_cmp_swap_32 GPR:$ptr, GPR:$old, GPR:$new))]>;
3629 let mayLoad = 1 in {
3630 def LDREXB : AIldrex<0b10, (outs GPR:$Rt), (ins addrmode7:$addr), NoItinerary,
3631 "ldrexb", "\t$Rt, $addr", []>;
3632 def LDREXH : AIldrex<0b11, (outs GPR:$Rt), (ins addrmode7:$addr), NoItinerary,
3633 "ldrexh", "\t$Rt, $addr", []>;
3634 def LDREX : AIldrex<0b00, (outs GPR:$Rt), (ins addrmode7:$addr), NoItinerary,
3635 "ldrex", "\t$Rt, $addr", []>;
3636 let hasExtraDefRegAllocReq = 1 in
3637 def LDREXD : AIldrex<0b01, (outs GPR:$Rt, GPR:$Rt2), (ins addrmode7:$addr),
3638 NoItinerary, "ldrexd", "\t$Rt, $Rt2, $addr", []>;
3641 let mayStore = 1, Constraints = "@earlyclobber $Rd" in {
3642 def STREXB : AIstrex<0b10, (outs GPR:$Rd), (ins GPR:$Rt, addrmode7:$addr),
3643 NoItinerary, "strexb", "\t$Rd, $Rt, $addr", []>;
3644 def STREXH : AIstrex<0b11, (outs GPR:$Rd), (ins GPR:$Rt, addrmode7:$addr),
3645 NoItinerary, "strexh", "\t$Rd, $Rt, $addr", []>;
3646 def STREX : AIstrex<0b00, (outs GPR:$Rd), (ins GPR:$Rt, addrmode7:$addr),
3647 NoItinerary, "strex", "\t$Rd, $Rt, $addr", []>;
3650 let hasExtraSrcRegAllocReq = 1, Constraints = "@earlyclobber $Rd" in
3651 def STREXD : AIstrex<0b01, (outs GPR:$Rd),
3652 (ins GPR:$Rt, GPR:$Rt2, addrmode7:$addr),
3653 NoItinerary, "strexd", "\t$Rd, $Rt, $Rt2, $addr", []>;
3655 // Clear-Exclusive is for disassembly only.
3656 def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex",
3657 [/* For disassembly only; pattern left blank */]>,
3658 Requires<[IsARM, HasV7]> {
3659 let Inst{31-0} = 0b11110101011111111111000000011111;
3662 // SWP/SWPB are deprecated in V6/V7.
3663 let mayLoad = 1, mayStore = 1 in {
3664 def SWP : AIswp<0, (outs GPR:$Rt), (ins GPR:$Rt2, addrmode7:$addr), "swp", []>;
3665 def SWPB: AIswp<1, (outs GPR:$Rt), (ins GPR:$Rt2, addrmode7:$addr), "swpb", []>;
3668 //===----------------------------------------------------------------------===//
3669 // Coprocessor Instructions.
3672 def CDP : ABI<0b1110, (outs), (ins p_imm:$cop, imm0_15:$opc1,
3673 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, imm0_7:$opc2),
3674 NoItinerary, "cdp", "\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
3675 [(int_arm_cdp imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
3676 imm:$CRm, imm:$opc2)]> {
3684 let Inst{3-0} = CRm;
3686 let Inst{7-5} = opc2;
3687 let Inst{11-8} = cop;
3688 let Inst{15-12} = CRd;
3689 let Inst{19-16} = CRn;
3690 let Inst{23-20} = opc1;
3693 def CDP2 : ABXI<0b1110, (outs), (ins p_imm:$cop, imm0_15:$opc1,
3694 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, imm0_7:$opc2),
3695 NoItinerary, "cdp2\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
3696 [(int_arm_cdp2 imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
3697 imm:$CRm, imm:$opc2)]> {
3698 let Inst{31-28} = 0b1111;
3706 let Inst{3-0} = CRm;
3708 let Inst{7-5} = opc2;
3709 let Inst{11-8} = cop;
3710 let Inst{15-12} = CRd;
3711 let Inst{19-16} = CRn;
3712 let Inst{23-20} = opc1;
3715 class ACI<dag oops, dag iops, string opc, string asm,
3716 IndexMode im = IndexModeNone>
3717 : InoP<oops, iops, AddrModeNone, 4, im, BrFrm, NoItinerary,
3718 opc, asm, "", [/* For disassembly only; pattern left blank */]> {
3719 let Inst{27-25} = 0b110;
3722 multiclass LdStCop<bits<4> op31_28, bit load, dag ops, string opc, string cond>{
3724 def _OFFSET : ACI<(outs),
3725 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
3726 !strconcat(opc, cond), "\tp$cop, cr$CRd, $addr"> {
3727 let Inst{31-28} = op31_28;
3728 let Inst{24} = 1; // P = 1
3729 let Inst{21} = 0; // W = 0
3730 let Inst{22} = 0; // D = 0
3731 let Inst{20} = load;
3734 def _PRE : ACI<(outs),
3735 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
3736 !strconcat(opc, cond), "\tp$cop, cr$CRd, $addr!", IndexModePre> {
3737 let Inst{31-28} = op31_28;
3738 let Inst{24} = 1; // P = 1
3739 let Inst{21} = 1; // W = 1
3740 let Inst{22} = 0; // D = 0
3741 let Inst{20} = load;
3744 def _POST : ACI<(outs),
3745 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
3746 !strconcat(opc, cond), "\tp$cop, cr$CRd, $addr", IndexModePost> {
3747 let Inst{31-28} = op31_28;
3748 let Inst{24} = 0; // P = 0
3749 let Inst{21} = 1; // W = 1
3750 let Inst{22} = 0; // D = 0
3751 let Inst{20} = load;
3754 def _OPTION : ACI<(outs),
3755 !con((ins nohash_imm:$cop,nohash_imm:$CRd,GPR:$base, nohash_imm:$option),
3757 !strconcat(opc, cond), "\tp$cop, cr$CRd, [$base], \\{$option\\}"> {
3758 let Inst{31-28} = op31_28;
3759 let Inst{24} = 0; // P = 0
3760 let Inst{23} = 1; // U = 1
3761 let Inst{21} = 0; // W = 0
3762 let Inst{22} = 0; // D = 0
3763 let Inst{20} = load;
3766 def L_OFFSET : ACI<(outs),
3767 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
3768 !strconcat(!strconcat(opc, "l"), cond), "\tp$cop, cr$CRd, $addr"> {
3769 let Inst{31-28} = op31_28;
3770 let Inst{24} = 1; // P = 1
3771 let Inst{21} = 0; // W = 0
3772 let Inst{22} = 1; // D = 1
3773 let Inst{20} = load;
3776 def L_PRE : ACI<(outs),
3777 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
3778 !strconcat(!strconcat(opc, "l"), cond), "\tp$cop, cr$CRd, $addr!",
3780 let Inst{31-28} = op31_28;
3781 let Inst{24} = 1; // P = 1
3782 let Inst{21} = 1; // W = 1
3783 let Inst{22} = 1; // D = 1
3784 let Inst{20} = load;
3787 def L_POST : ACI<(outs),
3788 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
3789 !strconcat(!strconcat(opc, "l"), cond), "\tp$cop, cr$CRd, $addr",
3791 let Inst{31-28} = op31_28;
3792 let Inst{24} = 0; // P = 0
3793 let Inst{21} = 1; // W = 1
3794 let Inst{22} = 1; // D = 1
3795 let Inst{20} = load;
3798 def L_OPTION : ACI<(outs),
3799 !con((ins nohash_imm:$cop, nohash_imm:$CRd,GPR:$base,nohash_imm:$option),
3801 !strconcat(!strconcat(opc, "l"), cond),
3802 "\tp$cop, cr$CRd, [$base], \\{$option\\}"> {
3803 let Inst{31-28} = op31_28;
3804 let Inst{24} = 0; // P = 0
3805 let Inst{23} = 1; // U = 1
3806 let Inst{21} = 0; // W = 0
3807 let Inst{22} = 1; // D = 1
3808 let Inst{20} = load;
3812 defm LDC : LdStCop<{?,?,?,?}, 1, (ins pred:$p), "ldc", "${p}">;
3813 defm LDC2 : LdStCop<0b1111, 1, (ins), "ldc2", "">;
3814 defm STC : LdStCop<{?,?,?,?}, 0, (ins pred:$p), "stc", "${p}">;
3815 defm STC2 : LdStCop<0b1111, 0, (ins), "stc2", "">;
3817 //===----------------------------------------------------------------------===//
3818 // Move between coprocessor and ARM core register -- for disassembly only
3821 class MovRCopro<string opc, bit direction, dag oops, dag iops,
3823 : ABI<0b1110, oops, iops, NoItinerary, opc,
3824 "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2", pattern> {
3825 let Inst{20} = direction;
3835 let Inst{15-12} = Rt;
3836 let Inst{11-8} = cop;
3837 let Inst{23-21} = opc1;
3838 let Inst{7-5} = opc2;
3839 let Inst{3-0} = CRm;
3840 let Inst{19-16} = CRn;
3843 def MCR : MovRCopro<"mcr", 0 /* from ARM core register to coprocessor */,
3845 (ins p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
3846 c_imm:$CRm, imm0_7:$opc2),
3847 [(int_arm_mcr imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
3848 imm:$CRm, imm:$opc2)]>;
3849 def MRC : MovRCopro<"mrc", 1 /* from coprocessor to ARM core register */,
3851 (ins p_imm:$cop, imm0_7:$opc1, c_imm:$CRn, c_imm:$CRm,
3854 def : ARMPat<(int_arm_mrc imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2),
3855 (MRC imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
3857 class MovRCopro2<string opc, bit direction, dag oops, dag iops,
3859 : ABXI<0b1110, oops, iops, NoItinerary,
3860 !strconcat(opc, "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2"), pattern> {
3861 let Inst{31-28} = 0b1111;
3862 let Inst{20} = direction;
3872 let Inst{15-12} = Rt;
3873 let Inst{11-8} = cop;
3874 let Inst{23-21} = opc1;
3875 let Inst{7-5} = opc2;
3876 let Inst{3-0} = CRm;
3877 let Inst{19-16} = CRn;
3880 def MCR2 : MovRCopro2<"mcr2", 0 /* from ARM core register to coprocessor */,
3882 (ins p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
3883 c_imm:$CRm, imm0_7:$opc2),
3884 [(int_arm_mcr2 imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
3885 imm:$CRm, imm:$opc2)]>;
3886 def MRC2 : MovRCopro2<"mrc2", 1 /* from coprocessor to ARM core register */,
3888 (ins p_imm:$cop, imm0_7:$opc1, c_imm:$CRn, c_imm:$CRm,
3891 def : ARMV5TPat<(int_arm_mrc2 imm:$cop, imm:$opc1, imm:$CRn,
3892 imm:$CRm, imm:$opc2),
3893 (MRC2 imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
3895 class MovRRCopro<string opc, bit direction,
3896 list<dag> pattern = [/* For disassembly only */]>
3897 : ABI<0b1100, (outs), (ins p_imm:$cop, imm0_15:$opc1,
3898 GPR:$Rt, GPR:$Rt2, c_imm:$CRm),
3899 NoItinerary, opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm", pattern> {
3900 let Inst{23-21} = 0b010;
3901 let Inst{20} = direction;
3909 let Inst{15-12} = Rt;
3910 let Inst{19-16} = Rt2;
3911 let Inst{11-8} = cop;
3912 let Inst{7-4} = opc1;
3913 let Inst{3-0} = CRm;
3916 def MCRR : MovRRCopro<"mcrr", 0 /* from ARM core register to coprocessor */,
3917 [(int_arm_mcrr imm:$cop, imm:$opc1, GPR:$Rt, GPR:$Rt2,
3919 def MRRC : MovRRCopro<"mrrc", 1 /* from coprocessor to ARM core register */>;
3921 class MovRRCopro2<string opc, bit direction,
3922 list<dag> pattern = [/* For disassembly only */]>
3923 : ABXI<0b1100, (outs), (ins p_imm:$cop, imm0_15:$opc1,
3924 GPR:$Rt, GPR:$Rt2, c_imm:$CRm), NoItinerary,
3925 !strconcat(opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm"), pattern> {
3926 let Inst{31-28} = 0b1111;
3927 let Inst{23-21} = 0b010;
3928 let Inst{20} = direction;
3936 let Inst{15-12} = Rt;
3937 let Inst{19-16} = Rt2;
3938 let Inst{11-8} = cop;
3939 let Inst{7-4} = opc1;
3940 let Inst{3-0} = CRm;
3943 def MCRR2 : MovRRCopro2<"mcrr2", 0 /* from ARM core register to coprocessor */,
3944 [(int_arm_mcrr2 imm:$cop, imm:$opc1, GPR:$Rt, GPR:$Rt2,
3946 def MRRC2 : MovRRCopro2<"mrrc2", 1 /* from coprocessor to ARM core register */>;
3948 //===----------------------------------------------------------------------===//
3949 // Move between special register and ARM core register
3952 // Move to ARM core register from Special Register
3953 def MRS : ABI<0b0001, (outs GPR:$Rd), (ins), NoItinerary,
3954 "mrs", "\t$Rd, apsr", []> {
3956 let Inst{23-16} = 0b00001111;
3957 let Inst{15-12} = Rd;
3958 let Inst{7-4} = 0b0000;
3961 def : InstAlias<"mrs${p} $Rd, cpsr", (MRS GPR:$Rd, pred:$p)>, Requires<[IsARM]>;
3963 def MRSsys : ABI<0b0001, (outs GPR:$Rd), (ins), NoItinerary,
3964 "mrs", "\t$Rd, spsr", []> {
3966 let Inst{23-16} = 0b01001111;
3967 let Inst{15-12} = Rd;
3968 let Inst{7-4} = 0b0000;
3971 // Move from ARM core register to Special Register
3973 // No need to have both system and application versions, the encodings are the
3974 // same and the assembly parser has no way to distinguish between them. The mask
3975 // operand contains the special register (R Bit) in bit 4 and bits 3-0 contains
3976 // the mask with the fields to be accessed in the special register.
3977 def MSR : ABI<0b0001, (outs), (ins msr_mask:$mask, GPR:$Rn), NoItinerary,
3978 "msr", "\t$mask, $Rn", []> {
3983 let Inst{22} = mask{4}; // R bit
3984 let Inst{21-20} = 0b10;
3985 let Inst{19-16} = mask{3-0};
3986 let Inst{15-12} = 0b1111;
3987 let Inst{11-4} = 0b00000000;
3991 def MSRi : ABI<0b0011, (outs), (ins msr_mask:$mask, so_imm:$a), NoItinerary,
3992 "msr", "\t$mask, $a", []> {
3997 let Inst{22} = mask{4}; // R bit
3998 let Inst{21-20} = 0b10;
3999 let Inst{19-16} = mask{3-0};
4000 let Inst{15-12} = 0b1111;
4004 //===----------------------------------------------------------------------===//
4008 // __aeabi_read_tp preserves the registers r1-r3.
4009 // This is a pseudo inst so that we can get the encoding right,
4010 // complete with fixup for the aeabi_read_tp function.
4012 Defs = [R0, R12, LR, CPSR], Uses = [SP] in {
4013 def TPsoft : PseudoInst<(outs), (ins), IIC_Br,
4014 [(set R0, ARMthread_pointer)]>;
4017 //===----------------------------------------------------------------------===//
4018 // SJLJ Exception handling intrinsics
4019 // eh_sjlj_setjmp() is an instruction sequence to store the return
4020 // address and save #0 in R0 for the non-longjmp case.
4021 // Since by its nature we may be coming from some other function to get
4022 // here, and we're using the stack frame for the containing function to
4023 // save/restore registers, we can't keep anything live in regs across
4024 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
4025 // when we get here from a longjmp(). We force everything out of registers
4026 // except for our own input by listing the relevant registers in Defs. By
4027 // doing so, we also cause the prologue/epilogue code to actively preserve
4028 // all of the callee-saved resgisters, which is exactly what we want.
4029 // A constant value is passed in $val, and we use the location as a scratch.
4031 // These are pseudo-instructions and are lowered to individual MC-insts, so
4032 // no encoding information is necessary.
4034 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR,
4035 QQQQ0, QQQQ1, QQQQ2, QQQQ3 ], hasSideEffects = 1, isBarrier = 1 in {
4036 def Int_eh_sjlj_setjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
4038 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
4039 Requires<[IsARM, HasVFP2]>;
4043 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR ],
4044 hasSideEffects = 1, isBarrier = 1 in {
4045 def Int_eh_sjlj_setjmp_nofp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
4047 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
4048 Requires<[IsARM, NoVFP]>;
4051 // FIXME: Non-Darwin version(s)
4052 let isBarrier = 1, hasSideEffects = 1, isTerminator = 1,
4053 Defs = [ R7, LR, SP ] in {
4054 def Int_eh_sjlj_longjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$scratch),
4056 [(ARMeh_sjlj_longjmp GPR:$src, GPR:$scratch)]>,
4057 Requires<[IsARM, IsDarwin]>;
4060 // eh.sjlj.dispatchsetup pseudo-instruction.
4061 // This pseudo is used for ARM, Thumb1 and Thumb2. Any differences are
4062 // handled when the pseudo is expanded (which happens before any passes
4063 // that need the instruction size).
4064 let isBarrier = 1, hasSideEffects = 1 in
4065 def Int_eh_sjlj_dispatchsetup :
4066 PseudoInst<(outs), (ins GPR:$src), NoItinerary,
4067 [(ARMeh_sjlj_dispatchsetup GPR:$src)]>,
4068 Requires<[IsDarwin]>;
4070 //===----------------------------------------------------------------------===//
4071 // Non-Instruction Patterns
4074 // ARMv4 indirect branch using (MOVr PC, dst)
4075 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in
4076 def MOVPCRX : ARMPseudoExpand<(outs), (ins GPR:$dst),
4077 4, IIC_Br, [(brind GPR:$dst)],
4078 (MOVr PC, GPR:$dst, (ops 14, zero_reg), zero_reg)>,
4079 Requires<[IsARM, NoV4T]>;
4081 // Large immediate handling.
4083 // 32-bit immediate using two piece so_imms or movw + movt.
4084 // This is a single pseudo instruction, the benefit is that it can be remat'd
4085 // as a single unit instead of having to handle reg inputs.
4086 // FIXME: Remove this when we can do generalized remat.
4087 let isReMaterializable = 1, isMoveImm = 1 in
4088 def MOVi32imm : PseudoInst<(outs GPR:$dst), (ins i32imm:$src), IIC_iMOVix2,
4089 [(set GPR:$dst, (arm_i32imm:$src))]>,
4092 // Pseudo instruction that combines movw + movt + add pc (if PIC).
4093 // It also makes it possible to rematerialize the instructions.
4094 // FIXME: Remove this when we can do generalized remat and when machine licm
4095 // can properly the instructions.
4096 let isReMaterializable = 1 in {
4097 def MOV_ga_pcrel : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
4099 [(set GPR:$dst, (ARMWrapperPIC tglobaladdr:$addr))]>,
4100 Requires<[IsARM, UseMovt]>;
4102 def MOV_ga_dyn : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
4104 [(set GPR:$dst, (ARMWrapperDYN tglobaladdr:$addr))]>,
4105 Requires<[IsARM, UseMovt]>;
4107 let AddedComplexity = 10 in
4108 def MOV_ga_pcrel_ldr : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
4110 [(set GPR:$dst, (load (ARMWrapperPIC tglobaladdr:$addr)))]>,
4111 Requires<[IsARM, UseMovt]>;
4112 } // isReMaterializable
4114 // ConstantPool, GlobalAddress, and JumpTable
4115 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>,
4116 Requires<[IsARM, DontUseMovt]>;
4117 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
4118 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
4119 Requires<[IsARM, UseMovt]>;
4120 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
4121 (LEApcrelJT tjumptable:$dst, imm:$id)>;
4123 // TODO: add,sub,and, 3-instr forms?
4126 def : ARMPat<(ARMtcret tcGPR:$dst),
4127 (TCRETURNri tcGPR:$dst)>, Requires<[IsDarwin]>;
4129 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
4130 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
4132 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
4133 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
4135 def : ARMPat<(ARMtcret tcGPR:$dst),
4136 (TCRETURNriND tcGPR:$dst)>, Requires<[IsNotDarwin]>;
4138 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
4139 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
4141 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
4142 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
4145 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>,
4146 Requires<[IsARM, IsNotDarwin]>;
4147 def : ARMPat<(ARMcall texternalsym:$func), (BLr9 texternalsym:$func)>,
4148 Requires<[IsARM, IsDarwin]>;
4150 // zextload i1 -> zextload i8
4151 def : ARMPat<(zextloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
4152 def : ARMPat<(zextloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
4154 // extload -> zextload
4155 def : ARMPat<(extloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
4156 def : ARMPat<(extloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
4157 def : ARMPat<(extloadi8 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
4158 def : ARMPat<(extloadi8 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
4160 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
4162 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
4163 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
4166 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
4167 (sra (shl GPR:$b, (i32 16)), (i32 16))),
4168 (SMULBB GPR:$a, GPR:$b)>;
4169 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
4170 (SMULBB GPR:$a, GPR:$b)>;
4171 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
4172 (sra GPR:$b, (i32 16))),
4173 (SMULBT GPR:$a, GPR:$b)>;
4174 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
4175 (SMULBT GPR:$a, GPR:$b)>;
4176 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
4177 (sra (shl GPR:$b, (i32 16)), (i32 16))),
4178 (SMULTB GPR:$a, GPR:$b)>;
4179 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
4180 (SMULTB GPR:$a, GPR:$b)>;
4181 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
4183 (SMULWB GPR:$a, GPR:$b)>;
4184 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
4185 (SMULWB GPR:$a, GPR:$b)>;
4187 def : ARMV5TEPat<(add GPR:$acc,
4188 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
4189 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
4190 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
4191 def : ARMV5TEPat<(add GPR:$acc,
4192 (mul sext_16_node:$a, sext_16_node:$b)),
4193 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
4194 def : ARMV5TEPat<(add GPR:$acc,
4195 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
4196 (sra GPR:$b, (i32 16)))),
4197 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
4198 def : ARMV5TEPat<(add GPR:$acc,
4199 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
4200 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
4201 def : ARMV5TEPat<(add GPR:$acc,
4202 (mul (sra GPR:$a, (i32 16)),
4203 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
4204 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
4205 def : ARMV5TEPat<(add GPR:$acc,
4206 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
4207 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
4208 def : ARMV5TEPat<(add GPR:$acc,
4209 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
4211 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
4212 def : ARMV5TEPat<(add GPR:$acc,
4213 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
4214 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
4217 // Pre-v7 uses MCR for synchronization barriers.
4218 def : ARMPat<(ARMMemBarrierMCR GPR:$zero), (MCR 15, 0, GPR:$zero, 7, 10, 5)>,
4219 Requires<[IsARM, HasV6]>;
4222 //===----------------------------------------------------------------------===//
4226 include "ARMInstrThumb.td"
4228 //===----------------------------------------------------------------------===//
4232 include "ARMInstrThumb2.td"
4234 //===----------------------------------------------------------------------===//
4235 // Floating Point Support
4238 include "ARMInstrVFP.td"
4240 //===----------------------------------------------------------------------===//
4241 // Advanced SIMD (NEON) Support
4244 include "ARMInstrNEON.td"
4246 //===----------------------------------------------------------------------===//
4247 // Assembler aliases
4251 def : InstAlias<"dmb", (DMB 0xf)>, Requires<[IsARM, HasDB]>;
4252 def : InstAlias<"dsb", (DSB 0xf)>, Requires<[IsARM, HasDB]>;
4253 def : InstAlias<"isb", (ISB 0xf)>, Requires<[IsARM, HasDB]>;
4255 // System instructions
4256 def : MnemonicAlias<"swi", "svc">;
4258 // Load / Store Multiple
4259 def : MnemonicAlias<"ldmfd", "ldm">;
4260 def : MnemonicAlias<"ldmia", "ldm">;
4261 def : MnemonicAlias<"stmfd", "stmdb">;
4262 def : MnemonicAlias<"stmia", "stm">;
4263 def : MnemonicAlias<"stmea", "stm">;
4265 // PKHBT/PKHTB with default shift amount. PKHTB is equivalent to PKHBT when the
4266 // shift amount is zero (i.e., unspecified).
4267 def : InstAlias<"pkhbt${p} $Rd, $Rn, $Rm",
4268 (PKHBT GPR:$Rd, GPR:$Rn, GPR:$Rm, 0, pred:$p)>;
4269 def : InstAlias<"pkhtb${p} $Rd, $Rn, $Rm",
4270 (PKHBT GPR:$Rd, GPR:$Rn, GPR:$Rm, 0, pred:$p)>;
4272 // PUSH/POP aliases for STM/LDM
4273 def : InstAlias<"push${p} $regs",
4274 (STMDB_UPD SP, pred:$p, reglist:$regs)>;
4275 def : InstAlias<"pop${p} $regs",
4276 (LDMIA_UPD SP, pred:$p, reglist:$regs)>;
4278 // RSB two-operand forms (optional explicit destination operand)
4279 def : InstAlias<"rsb${s}${p} $Rdn, $imm",
4280 (RSBri GPR:$Rdn, GPR:$Rdn, so_imm:$imm, pred:$p, cc_out:$s)>,
4282 def : InstAlias<"rsb${s}${p} $Rdn, $Rm",
4283 (RSBrr GPR:$Rdn, GPR:$Rdn, GPR:$Rm, pred:$p, cc_out:$s)>,
4285 def : InstAlias<"rsb${s}${p} $Rdn, $shift",
4286 (RSBrsi GPR:$Rdn, GPR:$Rdn, so_reg_imm:$shift, pred:$p,
4287 cc_out:$s)>, Requires<[IsARM]>;
4288 def : InstAlias<"rsb${s}${p} $Rdn, $shift",
4289 (RSBrsr GPR:$Rdn, GPR:$Rdn, so_reg_reg:$shift, pred:$p,
4290 cc_out:$s)>, Requires<[IsARM]>;
4291 // RSC two-operand forms (optional explicit destination operand)
4292 def : InstAlias<"rsc${s}${p} $Rdn, $imm",
4293 (RSCri GPR:$Rdn, GPR:$Rdn, so_imm:$imm, pred:$p, cc_out:$s)>,
4295 def : InstAlias<"rsc${s}${p} $Rdn, $Rm",
4296 (RSCrr GPR:$Rdn, GPR:$Rdn, GPR:$Rm, pred:$p, cc_out:$s)>,
4298 def : InstAlias<"rsc${s}${p} $Rdn, $shift",
4299 (RSCrsi GPR:$Rdn, GPR:$Rdn, so_reg_imm:$shift, pred:$p,
4300 cc_out:$s)>, Requires<[IsARM]>;
4301 def : InstAlias<"rsc${s}${p} $Rdn, $shift",
4302 (RSCrsr GPR:$Rdn, GPR:$Rdn, so_reg_reg:$shift, pred:$p,
4303 cc_out:$s)>, Requires<[IsARM]>;
4305 // SSAT optional shift operand.
4306 def : InstAlias<"ssat${p} $Rd, $sat_imm, $Rn",
4307 (SSAT GPR:$Rd, imm1_32:$sat_imm, GPR:$Rn, 0, pred:$p)>;