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;
499 /// imm0_31_m1 - Matches and prints like imm0_31, but encodes as 'value - 1'.
500 def imm0_31_m1 : Operand<i32>, ImmLeaf<i32, [{
501 return Imm >= 0 && Imm < 32;
503 let EncoderMethod = "getImmMinusOneOpValue";
506 // imm0_65535_expr - For movt/movw - 16-bit immediate that can also reference
507 // a relocatable expression.
509 // FIXME: This really needs a Thumb version separate from the ARM version.
510 // While the range is the same, and can thus use the same match class,
511 // the encoding is different so it should have a different encoder method.
512 def Imm0_65535ExprAsmOperand: AsmOperandClass { let Name = "Imm0_65535Expr"; }
513 def imm0_65535_expr : Operand<i32> {
514 let EncoderMethod = "getHiLo16ImmOpValue";
515 let ParserMatchClass = Imm0_65535ExprAsmOperand;
518 /// bf_inv_mask_imm predicate - An AND mask to clear an arbitrary width bitfield
520 def bf_inv_mask_imm : Operand<i32>,
522 return ARM::isBitFieldInvertedMask(N->getZExtValue());
524 let EncoderMethod = "getBitfieldInvertedMaskOpValue";
525 let PrintMethod = "printBitfieldInvMaskImmOperand";
528 /// lsb_pos_imm - position of the lsb bit, used by BFI4p and t2BFI4p
529 def lsb_pos_imm : Operand<i32>, ImmLeaf<i32, [{
530 return isInt<5>(Imm);
533 /// width_imm - number of bits to be copied, used by BFI4p and t2BFI4p
534 def width_imm : Operand<i32>, ImmLeaf<i32, [{
535 return Imm > 0 && Imm <= 32;
537 let EncoderMethod = "getMsbOpValue";
540 def imm1_32_XFORM: SDNodeXForm<imm, [{
541 return CurDAG->getTargetConstant((int)N->getZExtValue() - 1, MVT::i32);
543 def Imm1_32AsmOperand: AsmOperandClass { let Name = "Imm1_32"; }
544 def imm1_32 : Operand<i32>, PatLeaf<(imm), [{ return Imm > 0 && Imm <= 32; }],
546 let PrintMethod = "printImmPlusOneOperand";
547 let ParserMatchClass = Imm1_32AsmOperand;
550 def imm1_16_XFORM: SDNodeXForm<imm, [{
551 return CurDAG->getTargetConstant((int)N->getZExtValue() - 1, MVT::i32);
553 def Imm1_16AsmOperand: AsmOperandClass { let Name = "Imm1_16"; }
554 def imm1_16 : Operand<i32>, PatLeaf<(imm), [{ return Imm > 0 && Imm <= 16; }],
556 let PrintMethod = "printImmPlusOneOperand";
557 let ParserMatchClass = Imm1_16AsmOperand;
560 // Define ARM specific addressing modes.
561 // addrmode_imm12 := reg +/- imm12
563 def addrmode_imm12 : Operand<i32>,
564 ComplexPattern<i32, 2, "SelectAddrModeImm12", []> {
565 // 12-bit immediate operand. Note that instructions using this encode
566 // #0 and #-0 differently. We flag #-0 as the magic value INT32_MIN. All other
567 // immediate values are as normal.
569 let EncoderMethod = "getAddrModeImm12OpValue";
570 let PrintMethod = "printAddrModeImm12Operand";
571 let MIOperandInfo = (ops GPR:$base, i32imm:$offsimm);
573 // ldst_so_reg := reg +/- reg shop imm
575 def ldst_so_reg : Operand<i32>,
576 ComplexPattern<i32, 3, "SelectLdStSOReg", []> {
577 let EncoderMethod = "getLdStSORegOpValue";
578 // FIXME: Simplify the printer
579 let PrintMethod = "printAddrMode2Operand";
580 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
583 // addrmode2 := reg +/- imm12
584 // := reg +/- reg shop imm
586 def MemMode2AsmOperand : AsmOperandClass {
587 let Name = "MemMode2";
588 let ParserMethod = "parseMemMode2Operand";
590 def addrmode2 : Operand<i32>,
591 ComplexPattern<i32, 3, "SelectAddrMode2", []> {
592 let EncoderMethod = "getAddrMode2OpValue";
593 let PrintMethod = "printAddrMode2Operand";
594 let ParserMatchClass = MemMode2AsmOperand;
595 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
598 def am2offset : Operand<i32>,
599 ComplexPattern<i32, 2, "SelectAddrMode2Offset",
600 [], [SDNPWantRoot]> {
601 let EncoderMethod = "getAddrMode2OffsetOpValue";
602 let PrintMethod = "printAddrMode2OffsetOperand";
603 let MIOperandInfo = (ops GPR, i32imm);
606 // addrmode3 := reg +/- reg
607 // addrmode3 := reg +/- imm8
609 def MemMode3AsmOperand : AsmOperandClass {
610 let Name = "MemMode3";
611 let ParserMethod = "parseMemMode3Operand";
613 def addrmode3 : Operand<i32>,
614 ComplexPattern<i32, 3, "SelectAddrMode3", []> {
615 let EncoderMethod = "getAddrMode3OpValue";
616 let PrintMethod = "printAddrMode3Operand";
617 let ParserMatchClass = MemMode3AsmOperand;
618 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
621 def am3offset : Operand<i32>,
622 ComplexPattern<i32, 2, "SelectAddrMode3Offset",
623 [], [SDNPWantRoot]> {
624 let EncoderMethod = "getAddrMode3OffsetOpValue";
625 let PrintMethod = "printAddrMode3OffsetOperand";
626 let MIOperandInfo = (ops GPR, i32imm);
629 // ldstm_mode := {ia, ib, da, db}
631 def ldstm_mode : OptionalDefOperand<OtherVT, (ops i32), (ops (i32 1))> {
632 let EncoderMethod = "getLdStmModeOpValue";
633 let PrintMethod = "printLdStmModeOperand";
636 // addrmode5 := reg +/- imm8*4
638 def MemMode5AsmOperand : AsmOperandClass { let Name = "MemMode5"; }
639 def addrmode5 : Operand<i32>,
640 ComplexPattern<i32, 2, "SelectAddrMode5", []> {
641 let PrintMethod = "printAddrMode5Operand";
642 let MIOperandInfo = (ops GPR:$base, i32imm);
643 let ParserMatchClass = MemMode5AsmOperand;
644 let EncoderMethod = "getAddrMode5OpValue";
647 // addrmode6 := reg with optional alignment
649 def addrmode6 : Operand<i32>,
650 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
651 let PrintMethod = "printAddrMode6Operand";
652 let MIOperandInfo = (ops GPR:$addr, i32imm);
653 let EncoderMethod = "getAddrMode6AddressOpValue";
656 def am6offset : Operand<i32>,
657 ComplexPattern<i32, 1, "SelectAddrMode6Offset",
658 [], [SDNPWantRoot]> {
659 let PrintMethod = "printAddrMode6OffsetOperand";
660 let MIOperandInfo = (ops GPR);
661 let EncoderMethod = "getAddrMode6OffsetOpValue";
664 // Special version of addrmode6 to handle alignment encoding for VST1/VLD1
665 // (single element from one lane) for size 32.
666 def addrmode6oneL32 : Operand<i32>,
667 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
668 let PrintMethod = "printAddrMode6Operand";
669 let MIOperandInfo = (ops GPR:$addr, i32imm);
670 let EncoderMethod = "getAddrMode6OneLane32AddressOpValue";
673 // Special version of addrmode6 to handle alignment encoding for VLD-dup
674 // instructions, specifically VLD4-dup.
675 def addrmode6dup : Operand<i32>,
676 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
677 let PrintMethod = "printAddrMode6Operand";
678 let MIOperandInfo = (ops GPR:$addr, i32imm);
679 let EncoderMethod = "getAddrMode6DupAddressOpValue";
682 // addrmodepc := pc + reg
684 def addrmodepc : Operand<i32>,
685 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
686 let PrintMethod = "printAddrModePCOperand";
687 let MIOperandInfo = (ops GPR, i32imm);
691 // Used by load/store exclusive instructions. Useful to enable right assembly
692 // parsing and printing. Not used for any codegen matching.
694 def MemMode7AsmOperand : AsmOperandClass { let Name = "MemMode7"; }
695 def addrmode7 : Operand<i32> {
696 let PrintMethod = "printAddrMode7Operand";
697 let MIOperandInfo = (ops GPR);
698 let ParserMatchClass = MemMode7AsmOperand;
701 def nohash_imm : Operand<i32> {
702 let PrintMethod = "printNoHashImmediate";
705 def CoprocNumAsmOperand : AsmOperandClass {
706 let Name = "CoprocNum";
707 let ParserMethod = "parseCoprocNumOperand";
709 def p_imm : Operand<i32> {
710 let PrintMethod = "printPImmediate";
711 let ParserMatchClass = CoprocNumAsmOperand;
714 def CoprocRegAsmOperand : AsmOperandClass {
715 let Name = "CoprocReg";
716 let ParserMethod = "parseCoprocRegOperand";
718 def c_imm : Operand<i32> {
719 let PrintMethod = "printCImmediate";
720 let ParserMatchClass = CoprocRegAsmOperand;
723 //===----------------------------------------------------------------------===//
725 include "ARMInstrFormats.td"
727 //===----------------------------------------------------------------------===//
728 // Multiclass helpers...
731 /// AsI1_bin_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns for a
732 /// binop that produces a value.
733 multiclass AsI1_bin_irs<bits<4> opcod, string opc,
734 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
735 PatFrag opnode, string baseOpc, bit Commutable = 0> {
736 // The register-immediate version is re-materializable. This is useful
737 // in particular for taking the address of a local.
738 let isReMaterializable = 1 in {
739 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
740 iii, opc, "\t$Rd, $Rn, $imm",
741 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]> {
746 let Inst{19-16} = Rn;
747 let Inst{15-12} = Rd;
748 let Inst{11-0} = imm;
751 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
752 iir, opc, "\t$Rd, $Rn, $Rm",
753 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
758 let isCommutable = Commutable;
759 let Inst{19-16} = Rn;
760 let Inst{15-12} = Rd;
761 let Inst{11-4} = 0b00000000;
765 def rsi : AsI1<opcod, (outs GPR:$Rd),
766 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm,
767 iis, opc, "\t$Rd, $Rn, $shift",
768 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_imm:$shift))]> {
773 let Inst{19-16} = Rn;
774 let Inst{15-12} = Rd;
775 let Inst{11-5} = shift{11-5};
777 let Inst{3-0} = shift{3-0};
780 def rsr : AsI1<opcod, (outs GPR:$Rd),
781 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm,
782 iis, opc, "\t$Rd, $Rn, $shift",
783 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_reg:$shift))]> {
788 let Inst{19-16} = Rn;
789 let Inst{15-12} = Rd;
790 let Inst{11-8} = shift{11-8};
792 let Inst{6-5} = shift{6-5};
794 let Inst{3-0} = shift{3-0};
797 // Assembly aliases for optional destination operand when it's the same
798 // as the source operand.
799 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $imm"),
800 (!cast<Instruction>(!strconcat(baseOpc, "ri")) GPR:$Rdn, GPR:$Rdn,
801 so_imm:$imm, pred:$p,
804 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $Rm"),
805 (!cast<Instruction>(!strconcat(baseOpc, "rr")) GPR:$Rdn, GPR:$Rdn,
809 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
810 (!cast<Instruction>(!strconcat(baseOpc, "rsi")) GPR:$Rdn, GPR:$Rdn,
811 so_reg_imm:$shift, pred:$p,
814 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
815 (!cast<Instruction>(!strconcat(baseOpc, "rsr")) GPR:$Rdn, GPR:$Rdn,
816 so_reg_reg:$shift, pred:$p,
822 /// AI1_bin_s_irs - Similar to AsI1_bin_irs except it sets the 's' bit so the
823 /// instruction modifies the CPSR register.
824 let isCodeGenOnly = 1, Defs = [CPSR] in {
825 multiclass AI1_bin_s_irs<bits<4> opcod, string opc,
826 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
827 PatFrag opnode, bit Commutable = 0> {
828 def ri : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
829 iii, opc, "\t$Rd, $Rn, $imm",
830 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]> {
836 let Inst{19-16} = Rn;
837 let Inst{15-12} = Rd;
838 let Inst{11-0} = imm;
840 def rr : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
841 iir, opc, "\t$Rd, $Rn, $Rm",
842 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
846 let isCommutable = Commutable;
849 let Inst{19-16} = Rn;
850 let Inst{15-12} = Rd;
851 let Inst{11-4} = 0b00000000;
854 def rsi : AI1<opcod, (outs GPR:$Rd),
855 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm,
856 iis, opc, "\t$Rd, $Rn, $shift",
857 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_imm:$shift))]> {
863 let Inst{19-16} = Rn;
864 let Inst{15-12} = Rd;
865 let Inst{11-5} = shift{11-5};
867 let Inst{3-0} = shift{3-0};
870 def rsr : AI1<opcod, (outs GPR:$Rd),
871 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm,
872 iis, opc, "\t$Rd, $Rn, $shift",
873 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_reg:$shift))]> {
879 let Inst{19-16} = Rn;
880 let Inst{15-12} = Rd;
881 let Inst{11-8} = shift{11-8};
883 let Inst{6-5} = shift{6-5};
885 let Inst{3-0} = shift{3-0};
890 /// AI1_cmp_irs - Defines a set of (op r, {so_imm|r|so_reg}) cmp / test
891 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
892 /// a explicit result, only implicitly set CPSR.
893 let isCompare = 1, Defs = [CPSR] in {
894 multiclass AI1_cmp_irs<bits<4> opcod, string opc,
895 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
896 PatFrag opnode, bit Commutable = 0> {
897 def ri : AI1<opcod, (outs), (ins GPR:$Rn, so_imm:$imm), DPFrm, iii,
899 [(opnode GPR:$Rn, so_imm:$imm)]> {
904 let Inst{19-16} = Rn;
905 let Inst{15-12} = 0b0000;
906 let Inst{11-0} = imm;
908 def rr : AI1<opcod, (outs), (ins GPR:$Rn, GPR:$Rm), DPFrm, iir,
910 [(opnode GPR:$Rn, GPR:$Rm)]> {
913 let isCommutable = Commutable;
916 let Inst{19-16} = Rn;
917 let Inst{15-12} = 0b0000;
918 let Inst{11-4} = 0b00000000;
921 def rsi : AI1<opcod, (outs),
922 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm, iis,
923 opc, "\t$Rn, $shift",
924 [(opnode GPR:$Rn, so_reg_imm:$shift)]> {
929 let Inst{19-16} = Rn;
930 let Inst{15-12} = 0b0000;
931 let Inst{11-5} = shift{11-5};
933 let Inst{3-0} = shift{3-0};
935 def rsr : AI1<opcod, (outs),
936 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm, iis,
937 opc, "\t$Rn, $shift",
938 [(opnode GPR:$Rn, so_reg_reg:$shift)]> {
943 let Inst{19-16} = Rn;
944 let Inst{15-12} = 0b0000;
945 let Inst{11-8} = shift{11-8};
947 let Inst{6-5} = shift{6-5};
949 let Inst{3-0} = shift{3-0};
955 /// AI_ext_rrot - A unary operation with two forms: one whose operand is a
956 /// register and one whose operand is a register rotated by 8/16/24.
957 /// FIXME: Remove the 'r' variant. Its rot_imm is zero.
958 multiclass AI_ext_rrot<bits<8> opcod, string opc, PatFrag opnode> {
959 def r : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm),
960 IIC_iEXTr, opc, "\t$Rd, $Rm",
961 [(set GPR:$Rd, (opnode GPR:$Rm))]>,
962 Requires<[IsARM, HasV6]> {
965 let Inst{19-16} = 0b1111;
966 let Inst{15-12} = Rd;
967 let Inst{11-10} = 0b00;
970 def r_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm, rot_imm:$rot),
971 IIC_iEXTr, opc, "\t$Rd, $Rm, ror $rot",
972 [(set GPR:$Rd, (opnode (rotr GPR:$Rm, rot_imm:$rot)))]>,
973 Requires<[IsARM, HasV6]> {
977 let Inst{19-16} = 0b1111;
978 let Inst{15-12} = Rd;
979 let Inst{11-10} = rot;
984 multiclass AI_ext_rrot_np<bits<8> opcod, string opc> {
985 def r : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm),
986 IIC_iEXTr, opc, "\t$Rd, $Rm",
987 [/* For disassembly only; pattern left blank */]>,
988 Requires<[IsARM, HasV6]> {
989 let Inst{19-16} = 0b1111;
990 let Inst{11-10} = 0b00;
992 def r_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm, rot_imm:$rot),
993 IIC_iEXTr, opc, "\t$Rd, $Rm, ror $rot",
994 [/* For disassembly only; pattern left blank */]>,
995 Requires<[IsARM, HasV6]> {
997 let Inst{19-16} = 0b1111;
998 let Inst{11-10} = rot;
1002 /// AI_exta_rrot - A binary operation with two forms: one whose operand is a
1003 /// register and one whose operand is a register rotated by 8/16/24.
1004 multiclass AI_exta_rrot<bits<8> opcod, string opc, PatFrag opnode> {
1005 def rr : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
1006 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm",
1007 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
1008 Requires<[IsARM, HasV6]> {
1012 let Inst{19-16} = Rn;
1013 let Inst{15-12} = Rd;
1014 let Inst{11-10} = 0b00;
1015 let Inst{9-4} = 0b000111;
1018 def rr_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
1020 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm, ror $rot",
1021 [(set GPR:$Rd, (opnode GPR:$Rn,
1022 (rotr GPR:$Rm, rot_imm:$rot)))]>,
1023 Requires<[IsARM, HasV6]> {
1028 let Inst{19-16} = Rn;
1029 let Inst{15-12} = Rd;
1030 let Inst{11-10} = rot;
1031 let Inst{9-4} = 0b000111;
1036 // For disassembly only.
1037 multiclass AI_exta_rrot_np<bits<8> opcod, string opc> {
1038 def rr : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
1039 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm",
1040 [/* For disassembly only; pattern left blank */]>,
1041 Requires<[IsARM, HasV6]> {
1042 let Inst{11-10} = 0b00;
1044 def rr_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
1046 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm, ror $rot",
1047 [/* For disassembly only; pattern left blank */]>,
1048 Requires<[IsARM, HasV6]> {
1051 let Inst{19-16} = Rn;
1052 let Inst{11-10} = rot;
1056 /// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
1057 multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode,
1058 string baseOpc, bit Commutable = 0> {
1059 let Uses = [CPSR] in {
1060 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
1061 DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
1062 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>,
1068 let Inst{15-12} = Rd;
1069 let Inst{19-16} = Rn;
1070 let Inst{11-0} = imm;
1072 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
1073 DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
1074 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
1079 let Inst{11-4} = 0b00000000;
1081 let isCommutable = Commutable;
1083 let Inst{15-12} = Rd;
1084 let Inst{19-16} = Rn;
1086 def rsi : AsI1<opcod, (outs GPR:$Rd),
1087 (ins GPR:$Rn, so_reg_imm:$shift),
1088 DPSoRegImmFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1089 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_imm:$shift))]>,
1095 let Inst{19-16} = Rn;
1096 let Inst{15-12} = Rd;
1097 let Inst{11-5} = shift{11-5};
1099 let Inst{3-0} = shift{3-0};
1101 def rsr : AsI1<opcod, (outs GPR:$Rd),
1102 (ins GPR:$Rn, so_reg_reg:$shift),
1103 DPSoRegRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1104 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_reg:$shift))]>,
1110 let Inst{19-16} = Rn;
1111 let Inst{15-12} = Rd;
1112 let Inst{11-8} = shift{11-8};
1114 let Inst{6-5} = shift{6-5};
1116 let Inst{3-0} = shift{3-0};
1119 // Assembly aliases for optional destination operand when it's the same
1120 // as the source operand.
1121 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $imm"),
1122 (!cast<Instruction>(!strconcat(baseOpc, "ri")) GPR:$Rdn, GPR:$Rdn,
1123 so_imm:$imm, pred:$p,
1126 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $Rm"),
1127 (!cast<Instruction>(!strconcat(baseOpc, "rr")) GPR:$Rdn, GPR:$Rdn,
1131 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
1132 (!cast<Instruction>(!strconcat(baseOpc, "rsi")) GPR:$Rdn, GPR:$Rdn,
1133 so_reg_imm:$shift, pred:$p,
1136 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
1137 (!cast<Instruction>(!strconcat(baseOpc, "rsr")) GPR:$Rdn, GPR:$Rdn,
1138 so_reg_reg:$shift, pred:$p,
1143 // Carry setting variants
1144 // NOTE: CPSR def omitted because it will be handled by the custom inserter.
1145 let usesCustomInserter = 1 in {
1146 multiclass AI1_adde_sube_s_irs<PatFrag opnode, bit Commutable = 0> {
1147 def ri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
1149 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>;
1150 def rr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
1152 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
1153 let isCommutable = Commutable;
1155 def rsi : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg_imm:$shift),
1157 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_imm:$shift))]>;
1158 def rsr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg_reg:$shift),
1160 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_reg:$shift))]>;
1164 let canFoldAsLoad = 1, isReMaterializable = 1 in {
1165 multiclass AI_ldr1<bit isByte, string opc, InstrItinClass iii,
1166 InstrItinClass iir, PatFrag opnode> {
1167 // Note: We use the complex addrmode_imm12 rather than just an input
1168 // GPR and a constrained immediate so that we can use this to match
1169 // frame index references and avoid matching constant pool references.
1170 def i12: AI2ldst<0b010, 1, isByte, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
1171 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
1172 [(set GPR:$Rt, (opnode addrmode_imm12:$addr))]> {
1175 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1176 let Inst{19-16} = addr{16-13}; // Rn
1177 let Inst{15-12} = Rt;
1178 let Inst{11-0} = addr{11-0}; // imm12
1180 def rs : AI2ldst<0b011, 1, isByte, (outs GPR:$Rt), (ins ldst_so_reg:$shift),
1181 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
1182 [(set GPR:$Rt, (opnode ldst_so_reg:$shift))]> {
1185 let shift{4} = 0; // Inst{4} = 0
1186 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1187 let Inst{19-16} = shift{16-13}; // Rn
1188 let Inst{15-12} = Rt;
1189 let Inst{11-0} = shift{11-0};
1194 multiclass AI_str1<bit isByte, string opc, InstrItinClass iii,
1195 InstrItinClass iir, PatFrag opnode> {
1196 // Note: We use the complex addrmode_imm12 rather than just an input
1197 // GPR and a constrained immediate so that we can use this to match
1198 // frame index references and avoid matching constant pool references.
1199 def i12 : AI2ldst<0b010, 0, isByte, (outs),
1200 (ins GPR:$Rt, addrmode_imm12:$addr),
1201 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
1202 [(opnode GPR:$Rt, addrmode_imm12:$addr)]> {
1205 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1206 let Inst{19-16} = addr{16-13}; // Rn
1207 let Inst{15-12} = Rt;
1208 let Inst{11-0} = addr{11-0}; // imm12
1210 def rs : AI2ldst<0b011, 0, isByte, (outs), (ins GPR:$Rt, ldst_so_reg:$shift),
1211 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
1212 [(opnode GPR:$Rt, ldst_so_reg:$shift)]> {
1215 let shift{4} = 0; // Inst{4} = 0
1216 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1217 let Inst{19-16} = shift{16-13}; // Rn
1218 let Inst{15-12} = Rt;
1219 let Inst{11-0} = shift{11-0};
1222 //===----------------------------------------------------------------------===//
1224 //===----------------------------------------------------------------------===//
1226 //===----------------------------------------------------------------------===//
1227 // Miscellaneous Instructions.
1230 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
1231 /// the function. The first operand is the ID# for this instruction, the second
1232 /// is the index into the MachineConstantPool that this is, the third is the
1233 /// size in bytes of this constant pool entry.
1234 let neverHasSideEffects = 1, isNotDuplicable = 1 in
1235 def CONSTPOOL_ENTRY :
1236 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
1237 i32imm:$size), NoItinerary, []>;
1239 // FIXME: Marking these as hasSideEffects is necessary to prevent machine DCE
1240 // from removing one half of the matched pairs. That breaks PEI, which assumes
1241 // these will always be in pairs, and asserts if it finds otherwise. Better way?
1242 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
1243 def ADJCALLSTACKUP :
1244 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary,
1245 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
1247 def ADJCALLSTACKDOWN :
1248 PseudoInst<(outs), (ins i32imm:$amt, pred:$p), NoItinerary,
1249 [(ARMcallseq_start timm:$amt)]>;
1252 def NOP : AI<(outs), (ins), MiscFrm, NoItinerary, "nop", "",
1253 [/* For disassembly only; pattern left blank */]>,
1254 Requires<[IsARM, HasV6T2]> {
1255 let Inst{27-16} = 0b001100100000;
1256 let Inst{15-8} = 0b11110000;
1257 let Inst{7-0} = 0b00000000;
1260 def YIELD : AI<(outs), (ins), MiscFrm, NoItinerary, "yield", "",
1261 [/* For disassembly only; pattern left blank */]>,
1262 Requires<[IsARM, HasV6T2]> {
1263 let Inst{27-16} = 0b001100100000;
1264 let Inst{15-8} = 0b11110000;
1265 let Inst{7-0} = 0b00000001;
1268 def WFE : AI<(outs), (ins), MiscFrm, NoItinerary, "wfe", "",
1269 [/* For disassembly only; pattern left blank */]>,
1270 Requires<[IsARM, HasV6T2]> {
1271 let Inst{27-16} = 0b001100100000;
1272 let Inst{15-8} = 0b11110000;
1273 let Inst{7-0} = 0b00000010;
1276 def WFI : AI<(outs), (ins), MiscFrm, NoItinerary, "wfi", "",
1277 [/* For disassembly only; pattern left blank */]>,
1278 Requires<[IsARM, HasV6T2]> {
1279 let Inst{27-16} = 0b001100100000;
1280 let Inst{15-8} = 0b11110000;
1281 let Inst{7-0} = 0b00000011;
1284 def SEL : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm, NoItinerary, "sel",
1285 "\t$dst, $a, $b", []>, Requires<[IsARM, HasV6]> {
1290 let Inst{15-12} = Rd;
1291 let Inst{19-16} = Rn;
1292 let Inst{27-20} = 0b01101000;
1293 let Inst{7-4} = 0b1011;
1294 let Inst{11-8} = 0b1111;
1297 def SEV : AI<(outs), (ins), MiscFrm, NoItinerary, "sev", "",
1298 []>, Requires<[IsARM, HasV6T2]> {
1299 let Inst{27-16} = 0b001100100000;
1300 let Inst{15-8} = 0b11110000;
1301 let Inst{7-0} = 0b00000100;
1304 // The i32imm operand $val can be used by a debugger to store more information
1305 // about the breakpoint.
1306 def BKPT : AI<(outs), (ins imm0_65535:$val), MiscFrm, NoItinerary,
1307 "bkpt", "\t$val", []>, Requires<[IsARM]> {
1309 let Inst{3-0} = val{3-0};
1310 let Inst{19-8} = val{15-4};
1311 let Inst{27-20} = 0b00010010;
1312 let Inst{7-4} = 0b0111;
1315 // Change Processor State is a system instruction -- for disassembly and
1317 // FIXME: Since the asm parser has currently no clean way to handle optional
1318 // operands, create 3 versions of the same instruction. Once there's a clean
1319 // framework to represent optional operands, change this behavior.
1320 class CPS<dag iops, string asm_ops>
1321 : AXI<(outs), iops, MiscFrm, NoItinerary, !strconcat("cps", asm_ops),
1322 [/* For disassembly only; pattern left blank */]>, Requires<[IsARM]> {
1328 let Inst{31-28} = 0b1111;
1329 let Inst{27-20} = 0b00010000;
1330 let Inst{19-18} = imod;
1331 let Inst{17} = M; // Enabled if mode is set;
1333 let Inst{8-6} = iflags;
1335 let Inst{4-0} = mode;
1339 def CPS3p : CPS<(ins imod_op:$imod, iflags_op:$iflags, i32imm:$mode),
1340 "$imod\t$iflags, $mode">;
1341 let mode = 0, M = 0 in
1342 def CPS2p : CPS<(ins imod_op:$imod, iflags_op:$iflags), "$imod\t$iflags">;
1344 let imod = 0, iflags = 0, M = 1 in
1345 def CPS1p : CPS<(ins i32imm:$mode), "\t$mode">;
1347 // Preload signals the memory system of possible future data/instruction access.
1348 // These are for disassembly only.
1349 multiclass APreLoad<bits<1> read, bits<1> data, string opc> {
1351 def i12 : AXI<(outs), (ins addrmode_imm12:$addr), MiscFrm, IIC_Preload,
1352 !strconcat(opc, "\t$addr"),
1353 [(ARMPreload addrmode_imm12:$addr, (i32 read), (i32 data))]> {
1356 let Inst{31-26} = 0b111101;
1357 let Inst{25} = 0; // 0 for immediate form
1358 let Inst{24} = data;
1359 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1360 let Inst{22} = read;
1361 let Inst{21-20} = 0b01;
1362 let Inst{19-16} = addr{16-13}; // Rn
1363 let Inst{15-12} = 0b1111;
1364 let Inst{11-0} = addr{11-0}; // imm12
1367 def rs : AXI<(outs), (ins ldst_so_reg:$shift), MiscFrm, IIC_Preload,
1368 !strconcat(opc, "\t$shift"),
1369 [(ARMPreload ldst_so_reg:$shift, (i32 read), (i32 data))]> {
1371 let Inst{31-26} = 0b111101;
1372 let Inst{25} = 1; // 1 for register form
1373 let Inst{24} = data;
1374 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1375 let Inst{22} = read;
1376 let Inst{21-20} = 0b01;
1377 let Inst{19-16} = shift{16-13}; // Rn
1378 let Inst{15-12} = 0b1111;
1379 let Inst{11-0} = shift{11-0};
1383 defm PLD : APreLoad<1, 1, "pld">, Requires<[IsARM]>;
1384 defm PLDW : APreLoad<0, 1, "pldw">, Requires<[IsARM,HasV7,HasMP]>;
1385 defm PLI : APreLoad<1, 0, "pli">, Requires<[IsARM,HasV7]>;
1387 def SETEND : AXI<(outs), (ins setend_op:$end), MiscFrm, NoItinerary,
1388 "setend\t$end", []>, Requires<[IsARM]> {
1390 let Inst{31-10} = 0b1111000100000001000000;
1395 def DBG : AI<(outs), (ins imm0_15:$opt), MiscFrm, NoItinerary, "dbg", "\t$opt",
1396 []>, Requires<[IsARM, HasV7]> {
1398 let Inst{27-4} = 0b001100100000111100001111;
1399 let Inst{3-0} = opt;
1402 // A5.4 Permanently UNDEFINED instructions.
1403 let isBarrier = 1, isTerminator = 1 in
1404 def TRAP : AXI<(outs), (ins), MiscFrm, NoItinerary,
1407 let Inst = 0xe7ffdefe;
1410 // Address computation and loads and stores in PIC mode.
1411 let isNotDuplicable = 1 in {
1412 def PICADD : ARMPseudoInst<(outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
1414 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
1416 let AddedComplexity = 10 in {
1417 def PICLDR : ARMPseudoInst<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
1419 [(set GPR:$dst, (load addrmodepc:$addr))]>;
1421 def PICLDRH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1423 [(set GPR:$Rt, (zextloadi16 addrmodepc:$addr))]>;
1425 def PICLDRB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1427 [(set GPR:$Rt, (zextloadi8 addrmodepc:$addr))]>;
1429 def PICLDRSH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1431 [(set GPR:$Rt, (sextloadi16 addrmodepc:$addr))]>;
1433 def PICLDRSB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1435 [(set GPR:$Rt, (sextloadi8 addrmodepc:$addr))]>;
1437 let AddedComplexity = 10 in {
1438 def PICSTR : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1439 4, IIC_iStore_r, [(store GPR:$src, addrmodepc:$addr)]>;
1441 def PICSTRH : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1442 4, IIC_iStore_bh_r, [(truncstorei16 GPR:$src,
1443 addrmodepc:$addr)]>;
1445 def PICSTRB : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1446 4, IIC_iStore_bh_r, [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
1448 } // isNotDuplicable = 1
1451 // LEApcrel - Load a pc-relative address into a register without offending the
1453 let neverHasSideEffects = 1, isReMaterializable = 1 in
1454 // The 'adr' mnemonic encodes differently if the label is before or after
1455 // the instruction. The {24-21} opcode bits are set by the fixup, as we don't
1456 // know until then which form of the instruction will be used.
1457 def ADR : AI1<{0,?,?,0}, (outs GPR:$Rd), (ins adrlabel:$label),
1458 MiscFrm, IIC_iALUi, "adr", "\t$Rd, #$label", []> {
1461 let Inst{27-25} = 0b001;
1463 let Inst{19-16} = 0b1111;
1464 let Inst{15-12} = Rd;
1465 let Inst{11-0} = label;
1467 def LEApcrel : ARMPseudoInst<(outs GPR:$Rd), (ins i32imm:$label, pred:$p),
1470 def LEApcrelJT : ARMPseudoInst<(outs GPR:$Rd),
1471 (ins i32imm:$label, nohash_imm:$id, pred:$p),
1474 //===----------------------------------------------------------------------===//
1475 // Control Flow Instructions.
1478 let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
1480 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1481 "bx", "\tlr", [(ARMretflag)]>,
1482 Requires<[IsARM, HasV4T]> {
1483 let Inst{27-0} = 0b0001001011111111111100011110;
1487 def MOVPCLR : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1488 "mov", "\tpc, lr", [(ARMretflag)]>,
1489 Requires<[IsARM, NoV4T]> {
1490 let Inst{27-0} = 0b0001101000001111000000001110;
1494 // Indirect branches
1495 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
1497 def BX : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
1498 [(brind GPR:$dst)]>,
1499 Requires<[IsARM, HasV4T]> {
1501 let Inst{31-4} = 0b1110000100101111111111110001;
1502 let Inst{3-0} = dst;
1505 def BX_pred : AI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br,
1506 "bx", "\t$dst", [/* pattern left blank */]>,
1507 Requires<[IsARM, HasV4T]> {
1509 let Inst{27-4} = 0b000100101111111111110001;
1510 let Inst{3-0} = dst;
1514 // All calls clobber the non-callee saved registers. SP is marked as
1515 // a use to prevent stack-pointer assignments that appear immediately
1516 // before calls from potentially appearing dead.
1518 // On non-Darwin platforms R9 is callee-saved.
1519 // FIXME: Do we really need a non-predicated version? If so, it should
1520 // at least be a pseudo instruction expanding to the predicated version
1521 // at MC lowering time.
1522 Defs = [R0, R1, R2, R3, R12, LR, QQQQ0, QQQQ2, QQQQ3, CPSR, FPSCR],
1524 def BL : ABXI<0b1011, (outs), (ins bl_target:$func, variable_ops),
1525 IIC_Br, "bl\t$func",
1526 [(ARMcall tglobaladdr:$func)]>,
1527 Requires<[IsARM, IsNotDarwin]> {
1528 let Inst{31-28} = 0b1110;
1530 let Inst{23-0} = func;
1533 def BL_pred : ABI<0b1011, (outs), (ins bl_target:$func, variable_ops),
1534 IIC_Br, "bl", "\t$func",
1535 [(ARMcall_pred tglobaladdr:$func)]>,
1536 Requires<[IsARM, IsNotDarwin]> {
1538 let Inst{23-0} = func;
1542 def BLX : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1543 IIC_Br, "blx\t$func",
1544 [(ARMcall GPR:$func)]>,
1545 Requires<[IsARM, HasV5T, IsNotDarwin]> {
1547 let Inst{31-4} = 0b1110000100101111111111110011;
1548 let Inst{3-0} = func;
1551 def BLX_pred : AI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1552 IIC_Br, "blx", "\t$func",
1553 [(ARMcall_pred GPR:$func)]>,
1554 Requires<[IsARM, HasV5T, IsNotDarwin]> {
1556 let Inst{27-4} = 0b000100101111111111110011;
1557 let Inst{3-0} = func;
1561 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1562 def BX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1563 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1564 Requires<[IsARM, HasV4T, IsNotDarwin]>;
1567 def BMOVPCRX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1568 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1569 Requires<[IsARM, NoV4T, IsNotDarwin]>;
1573 // On Darwin R9 is call-clobbered.
1574 // R7 is marked as a use to prevent frame-pointer assignments from being
1575 // moved above / below calls.
1576 Defs = [R0, R1, R2, R3, R9, R12, LR, QQQQ0, QQQQ2, QQQQ3, CPSR, FPSCR],
1577 Uses = [R7, SP] in {
1578 def BLr9 : ARMPseudoExpand<(outs), (ins bl_target:$func, variable_ops),
1580 [(ARMcall tglobaladdr:$func)], (BL bl_target:$func)>,
1581 Requires<[IsARM, IsDarwin]>;
1583 def BLr9_pred : ARMPseudoExpand<(outs),
1584 (ins bl_target:$func, pred:$p, variable_ops),
1586 [(ARMcall_pred tglobaladdr:$func)],
1587 (BL_pred bl_target:$func, pred:$p)>,
1588 Requires<[IsARM, IsDarwin]>;
1591 def BLXr9 : ARMPseudoExpand<(outs), (ins GPR:$func, variable_ops),
1593 [(ARMcall GPR:$func)],
1595 Requires<[IsARM, HasV5T, IsDarwin]>;
1597 def BLXr9_pred: ARMPseudoExpand<(outs), (ins GPR:$func, pred:$p,variable_ops),
1599 [(ARMcall_pred GPR:$func)],
1600 (BLX_pred GPR:$func, pred:$p)>,
1601 Requires<[IsARM, HasV5T, IsDarwin]>;
1604 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1605 def BXr9_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1606 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1607 Requires<[IsARM, HasV4T, IsDarwin]>;
1610 def BMOVPCRXr9_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1611 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1612 Requires<[IsARM, NoV4T, IsDarwin]>;
1615 let isBranch = 1, isTerminator = 1 in {
1616 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
1617 // a two-value operand where a dag node expects two operands. :(
1618 def Bcc : ABI<0b1010, (outs), (ins br_target:$target),
1619 IIC_Br, "b", "\t$target",
1620 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]> {
1622 let Inst{23-0} = target;
1625 let isBarrier = 1 in {
1626 // B is "predicable" since it's just a Bcc with an 'always' condition.
1627 let isPredicable = 1 in
1628 // FIXME: We shouldn't need this pseudo at all. Just using Bcc directly
1629 // should be sufficient.
1630 // FIXME: Is B really a Barrier? That doesn't seem right.
1631 def B : ARMPseudoExpand<(outs), (ins br_target:$target), 4, IIC_Br,
1632 [(br bb:$target)], (Bcc br_target:$target, (ops 14, zero_reg))>;
1634 let isNotDuplicable = 1, isIndirectBranch = 1 in {
1635 def BR_JTr : ARMPseudoInst<(outs),
1636 (ins GPR:$target, i32imm:$jt, i32imm:$id),
1638 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]>;
1639 // FIXME: This shouldn't use the generic "addrmode2," but rather be split
1640 // into i12 and rs suffixed versions.
1641 def BR_JTm : ARMPseudoInst<(outs),
1642 (ins addrmode2:$target, i32imm:$jt, i32imm:$id),
1644 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
1646 def BR_JTadd : ARMPseudoInst<(outs),
1647 (ins GPR:$target, GPR:$idx, i32imm:$jt, i32imm:$id),
1649 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
1651 } // isNotDuplicable = 1, isIndirectBranch = 1
1656 // BLX (immediate) -- for disassembly only
1657 def BLXi : AXI<(outs), (ins br_target:$target), BrMiscFrm, NoItinerary,
1658 "blx\t$target", [/* pattern left blank */]>,
1659 Requires<[IsARM, HasV5T]> {
1660 let Inst{31-25} = 0b1111101;
1662 let Inst{23-0} = target{24-1};
1663 let Inst{24} = target{0};
1666 // Branch and Exchange Jazelle
1667 def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
1668 [/* pattern left blank */]> {
1670 let Inst{23-20} = 0b0010;
1671 let Inst{19-8} = 0xfff;
1672 let Inst{7-4} = 0b0010;
1673 let Inst{3-0} = func;
1678 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in {
1680 let Defs = [R0, R1, R2, R3, R9, R12, QQQQ0, QQQQ2, QQQQ3, PC],
1682 def TCRETURNdi : PseudoInst<(outs), (ins i32imm:$dst, variable_ops),
1683 IIC_Br, []>, Requires<[IsDarwin]>;
1685 def TCRETURNri : PseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
1686 IIC_Br, []>, Requires<[IsDarwin]>;
1688 def TAILJMPd : ARMPseudoExpand<(outs), (ins br_target:$dst, variable_ops),
1690 (Bcc br_target:$dst, (ops 14, zero_reg))>,
1691 Requires<[IsARM, IsDarwin]>;
1693 def TAILJMPr : ARMPseudoExpand<(outs), (ins tcGPR:$dst, variable_ops),
1696 Requires<[IsARM, IsDarwin]>;
1700 // Non-Darwin versions (the difference is R9).
1701 let Defs = [R0, R1, R2, R3, R12, QQQQ0, QQQQ2, QQQQ3, PC],
1703 def TCRETURNdiND : PseudoInst<(outs), (ins i32imm:$dst, variable_ops),
1704 IIC_Br, []>, Requires<[IsNotDarwin]>;
1706 def TCRETURNriND : PseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
1707 IIC_Br, []>, Requires<[IsNotDarwin]>;
1709 def TAILJMPdND : ARMPseudoExpand<(outs), (ins brtarget:$dst, variable_ops),
1711 (Bcc br_target:$dst, (ops 14, zero_reg))>,
1712 Requires<[IsARM, IsNotDarwin]>;
1714 def TAILJMPrND : ARMPseudoExpand<(outs), (ins tcGPR:$dst, variable_ops),
1717 Requires<[IsARM, IsNotDarwin]>;
1725 // Secure Monitor Call is a system instruction -- for disassembly only
1726 def SMC : ABI<0b0001, (outs), (ins imm0_15:$opt), NoItinerary, "smc", "\t$opt",
1729 let Inst{23-4} = 0b01100000000000000111;
1730 let Inst{3-0} = opt;
1733 // Supervisor Call (Software Interrupt) -- for disassembly only
1734 let isCall = 1, Uses = [SP] in {
1735 def SVC : ABI<0b1111, (outs), (ins i32imm:$svc), IIC_Br, "svc", "\t$svc",
1736 [/* For disassembly only; pattern left blank */]> {
1738 let Inst{23-0} = svc;
1742 // Store Return State is a system instruction -- for disassembly only
1743 let isCodeGenOnly = 1 in { // FIXME: This should not use submode!
1744 def SRSW : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, i32imm:$mode),
1745 NoItinerary, "srs${amode}\tsp!, $mode",
1746 [/* For disassembly only; pattern left blank */]> {
1747 let Inst{31-28} = 0b1111;
1748 let Inst{22-20} = 0b110; // W = 1
1749 let Inst{19-8} = 0xd05;
1750 let Inst{7-5} = 0b000;
1753 def SRS : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, i32imm:$mode),
1754 NoItinerary, "srs${amode}\tsp, $mode",
1755 [/* For disassembly only; pattern left blank */]> {
1756 let Inst{31-28} = 0b1111;
1757 let Inst{22-20} = 0b100; // W = 0
1758 let Inst{19-8} = 0xd05;
1759 let Inst{7-5} = 0b000;
1762 // Return From Exception is a system instruction -- for disassembly only
1763 def RFEW : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, GPR:$base),
1764 NoItinerary, "rfe${amode}\t$base!",
1765 [/* For disassembly only; pattern left blank */]> {
1766 let Inst{31-28} = 0b1111;
1767 let Inst{22-20} = 0b011; // W = 1
1768 let Inst{15-0} = 0x0a00;
1771 def RFE : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, GPR:$base),
1772 NoItinerary, "rfe${amode}\t$base",
1773 [/* For disassembly only; pattern left blank */]> {
1774 let Inst{31-28} = 0b1111;
1775 let Inst{22-20} = 0b001; // W = 0
1776 let Inst{15-0} = 0x0a00;
1778 } // isCodeGenOnly = 1
1780 //===----------------------------------------------------------------------===//
1781 // Load / store Instructions.
1787 defm LDR : AI_ldr1<0, "ldr", IIC_iLoad_r, IIC_iLoad_si,
1788 UnOpFrag<(load node:$Src)>>;
1789 defm LDRB : AI_ldr1<1, "ldrb", IIC_iLoad_bh_r, IIC_iLoad_bh_si,
1790 UnOpFrag<(zextloadi8 node:$Src)>>;
1791 defm STR : AI_str1<0, "str", IIC_iStore_r, IIC_iStore_si,
1792 BinOpFrag<(store node:$LHS, node:$RHS)>>;
1793 defm STRB : AI_str1<1, "strb", IIC_iStore_bh_r, IIC_iStore_bh_si,
1794 BinOpFrag<(truncstorei8 node:$LHS, node:$RHS)>>;
1796 // Special LDR for loads from non-pc-relative constpools.
1797 let canFoldAsLoad = 1, mayLoad = 1, neverHasSideEffects = 1,
1798 isReMaterializable = 1 in
1799 def LDRcp : AI2ldst<0b010, 1, 0, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
1800 AddrMode_i12, LdFrm, IIC_iLoad_r, "ldr", "\t$Rt, $addr",
1804 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1805 let Inst{19-16} = 0b1111;
1806 let Inst{15-12} = Rt;
1807 let Inst{11-0} = addr{11-0}; // imm12
1810 // Loads with zero extension
1811 def LDRH : AI3ld<0b1011, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1812 IIC_iLoad_bh_r, "ldrh", "\t$Rt, $addr",
1813 [(set GPR:$Rt, (zextloadi16 addrmode3:$addr))]>;
1815 // Loads with sign extension
1816 def LDRSH : AI3ld<0b1111, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1817 IIC_iLoad_bh_r, "ldrsh", "\t$Rt, $addr",
1818 [(set GPR:$Rt, (sextloadi16 addrmode3:$addr))]>;
1820 def LDRSB : AI3ld<0b1101, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1821 IIC_iLoad_bh_r, "ldrsb", "\t$Rt, $addr",
1822 [(set GPR:$Rt, (sextloadi8 addrmode3:$addr))]>;
1824 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1 in {
1826 def LDRD : AI3ld<0b1101, 0, (outs GPR:$Rd, GPR:$dst2),
1827 (ins addrmode3:$addr), LdMiscFrm,
1828 IIC_iLoad_d_r, "ldrd", "\t$Rd, $dst2, $addr",
1829 []>, Requires<[IsARM, HasV5TE]>;
1833 multiclass AI2_ldridx<bit isByte, string opc, InstrItinClass itin> {
1834 def _PRE : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb),
1835 (ins addrmode2:$addr), IndexModePre, LdFrm, itin,
1836 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
1838 // {13} 1 == Rm, 0 == imm12
1842 let Inst{25} = addr{13};
1843 let Inst{23} = addr{12};
1844 let Inst{19-16} = addr{17-14};
1845 let Inst{11-0} = addr{11-0};
1846 let AsmMatchConverter = "CvtLdWriteBackRegAddrMode2";
1848 def _POST : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
1849 (ins GPR:$Rn, am2offset:$offset),
1850 IndexModePost, LdFrm, itin,
1851 opc, "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb", []> {
1852 // {13} 1 == Rm, 0 == imm12
1857 let Inst{25} = offset{13};
1858 let Inst{23} = offset{12};
1859 let Inst{19-16} = Rn;
1860 let Inst{11-0} = offset{11-0};
1864 let mayLoad = 1, neverHasSideEffects = 1 in {
1865 defm LDR : AI2_ldridx<0, "ldr", IIC_iLoad_ru>;
1866 defm LDRB : AI2_ldridx<1, "ldrb", IIC_iLoad_bh_ru>;
1869 multiclass AI3_ldridx<bits<4> op, bit op20, string opc, InstrItinClass itin> {
1870 def _PRE : AI3ldstidx<op, op20, 1, 1, (outs GPR:$Rt, GPR:$Rn_wb),
1871 (ins addrmode3:$addr), IndexModePre,
1873 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
1875 let Inst{23} = addr{8}; // U bit
1876 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
1877 let Inst{19-16} = addr{12-9}; // Rn
1878 let Inst{11-8} = addr{7-4}; // imm7_4/zero
1879 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
1881 def _POST : AI3ldstidx<op, op20, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
1882 (ins GPR:$Rn, am3offset:$offset), IndexModePost,
1884 opc, "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb", []> {
1887 let Inst{23} = offset{8}; // U bit
1888 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
1889 let Inst{19-16} = Rn;
1890 let Inst{11-8} = offset{7-4}; // imm7_4/zero
1891 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
1895 let mayLoad = 1, neverHasSideEffects = 1 in {
1896 defm LDRH : AI3_ldridx<0b1011, 1, "ldrh", IIC_iLoad_bh_ru>;
1897 defm LDRSH : AI3_ldridx<0b1111, 1, "ldrsh", IIC_iLoad_bh_ru>;
1898 defm LDRSB : AI3_ldridx<0b1101, 1, "ldrsb", IIC_iLoad_bh_ru>;
1899 let hasExtraDefRegAllocReq = 1 in {
1900 def LDRD_PRE : AI3ldstidx<0b1101, 0, 1, 1, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
1901 (ins addrmode3:$addr), IndexModePre,
1902 LdMiscFrm, IIC_iLoad_d_ru,
1903 "ldrd", "\t$Rt, $Rt2, $addr!",
1904 "$addr.base = $Rn_wb", []> {
1906 let Inst{23} = addr{8}; // U bit
1907 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
1908 let Inst{19-16} = addr{12-9}; // Rn
1909 let Inst{11-8} = addr{7-4}; // imm7_4/zero
1910 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
1912 def LDRD_POST: AI3ldstidx<0b1101, 0, 1, 0, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
1913 (ins GPR:$Rn, am3offset:$offset), IndexModePost,
1914 LdMiscFrm, IIC_iLoad_d_ru,
1915 "ldrd", "\t$Rt, $Rt2, [$Rn], $offset",
1916 "$Rn = $Rn_wb", []> {
1919 let Inst{23} = offset{8}; // U bit
1920 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
1921 let Inst{19-16} = Rn;
1922 let Inst{11-8} = offset{7-4}; // imm7_4/zero
1923 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
1925 } // hasExtraDefRegAllocReq = 1
1926 } // mayLoad = 1, neverHasSideEffects = 1
1928 // LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT are for disassembly only.
1929 let mayLoad = 1, neverHasSideEffects = 1 in {
1930 def LDRT : AI2ldstidx<1, 0, 0, (outs GPR:$Rt, GPR:$base_wb),
1931 (ins addrmode2:$addr), IndexModePost, LdFrm, IIC_iLoad_ru,
1932 "ldrt", "\t$Rt, $addr", "$addr.base = $base_wb", []> {
1934 // {13} 1 == Rm, 0 == imm12
1938 let Inst{25} = addr{13};
1939 let Inst{23} = addr{12};
1940 let Inst{21} = 1; // overwrite
1941 let Inst{19-16} = addr{17-14};
1942 let Inst{11-0} = addr{11-0};
1943 let AsmMatchConverter = "CvtLdWriteBackRegAddrMode2";
1945 def LDRBT : AI2ldstidx<1, 1, 0, (outs GPR:$Rt, GPR:$base_wb),
1946 (ins addrmode2:$addr), IndexModePost, LdFrm, IIC_iLoad_bh_ru,
1947 "ldrbt", "\t$Rt, $addr", "$addr.base = $base_wb", []> {
1949 // {13} 1 == Rm, 0 == imm12
1953 let Inst{25} = addr{13};
1954 let Inst{23} = addr{12};
1955 let Inst{21} = 1; // overwrite
1956 let Inst{19-16} = addr{17-14};
1957 let Inst{11-0} = addr{11-0};
1958 let AsmMatchConverter = "CvtLdWriteBackRegAddrMode2";
1960 def LDRSBT : AI3ldstidxT<0b1101, 1, 1, 0, (outs GPR:$Rt, GPR:$base_wb),
1961 (ins addrmode3:$addr), IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru,
1962 "ldrsbt", "\t$Rt, $addr", "$addr.base = $base_wb", []> {
1963 let Inst{21} = 1; // overwrite
1965 def LDRHT : AI3ldstidxT<0b1011, 1, 1, 0, (outs GPR:$Rt, GPR:$base_wb),
1966 (ins addrmode3:$addr), IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru,
1967 "ldrht", "\t$Rt, $addr", "$addr.base = $base_wb", []> {
1968 let Inst{21} = 1; // overwrite
1970 def LDRSHT : AI3ldstidxT<0b1111, 1, 1, 0, (outs GPR:$Rt, GPR:$base_wb),
1971 (ins addrmode3:$addr), IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru,
1972 "ldrsht", "\t$Rt, $addr", "$addr.base = $base_wb", []> {
1973 let Inst{21} = 1; // overwrite
1979 // Stores with truncate
1980 def STRH : AI3str<0b1011, (outs), (ins GPR:$Rt, addrmode3:$addr), StMiscFrm,
1981 IIC_iStore_bh_r, "strh", "\t$Rt, $addr",
1982 [(truncstorei16 GPR:$Rt, addrmode3:$addr)]>;
1985 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in
1986 def STRD : AI3str<0b1111, (outs), (ins GPR:$Rt, GPR:$src2, addrmode3:$addr),
1987 StMiscFrm, IIC_iStore_d_r,
1988 "strd", "\t$Rt, $src2, $addr", []>, Requires<[IsARM, HasV5TE]>;
1991 def STR_PRE : AI2stridx<0, 1, (outs GPR:$Rn_wb),
1992 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1993 IndexModePre, StFrm, IIC_iStore_ru,
1994 "str", "\t$Rt, [$Rn, $offset]!",
1995 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
1997 (pre_store GPR:$Rt, GPR:$Rn, am2offset:$offset))]>;
1999 def STR_POST : AI2stridx<0, 0, (outs GPR:$Rn_wb),
2000 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
2001 IndexModePost, StFrm, IIC_iStore_ru,
2002 "str", "\t$Rt, [$Rn], $offset",
2003 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
2005 (post_store GPR:$Rt, GPR:$Rn, am2offset:$offset))]>;
2007 def STRB_PRE : AI2stridx<1, 1, (outs GPR:$Rn_wb),
2008 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
2009 IndexModePre, StFrm, IIC_iStore_bh_ru,
2010 "strb", "\t$Rt, [$Rn, $offset]!",
2011 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
2012 [(set GPR:$Rn_wb, (pre_truncsti8 GPR:$Rt,
2013 GPR:$Rn, am2offset:$offset))]>;
2014 def STRB_POST: AI2stridx<1, 0, (outs GPR:$Rn_wb),
2015 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
2016 IndexModePost, StFrm, IIC_iStore_bh_ru,
2017 "strb", "\t$Rt, [$Rn], $offset",
2018 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
2019 [(set GPR:$Rn_wb, (post_truncsti8 GPR:$Rt,
2020 GPR:$Rn, am2offset:$offset))]>;
2022 def STRH_PRE : AI3stridx<0b1011, 0, 1, (outs GPR:$Rn_wb),
2023 (ins GPR:$Rt, GPR:$Rn, am3offset:$offset),
2024 IndexModePre, StMiscFrm, IIC_iStore_ru,
2025 "strh", "\t$Rt, [$Rn, $offset]!",
2026 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
2028 (pre_truncsti16 GPR:$Rt, GPR:$Rn, am3offset:$offset))]>;
2030 def STRH_POST: AI3stridx<0b1011, 0, 0, (outs GPR:$Rn_wb),
2031 (ins GPR:$Rt, GPR:$Rn, am3offset:$offset),
2032 IndexModePost, StMiscFrm, IIC_iStore_bh_ru,
2033 "strh", "\t$Rt, [$Rn], $offset",
2034 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
2035 [(set GPR:$Rn_wb, (post_truncsti16 GPR:$Rt,
2036 GPR:$Rn, am3offset:$offset))]>;
2038 // For disassembly only
2039 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in {
2040 def STRD_PRE : AI3stdpr<(outs GPR:$base_wb),
2041 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
2042 StMiscFrm, IIC_iStore_d_ru,
2043 "strd", "\t$src1, $src2, [$base, $offset]!",
2044 "$base = $base_wb", []>;
2046 // For disassembly only
2047 def STRD_POST: AI3stdpo<(outs GPR:$base_wb),
2048 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
2049 StMiscFrm, IIC_iStore_d_ru,
2050 "strd", "\t$src1, $src2, [$base], $offset",
2051 "$base = $base_wb", []>;
2052 } // mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1
2054 // STRT, STRBT, and STRHT are for disassembly only.
2056 def STRT : AI2stridxT<0, 0, (outs GPR:$Rn_wb), (ins GPR:$Rt, addrmode2:$addr),
2057 IndexModePost, StFrm, IIC_iStore_ru,
2058 "strt", "\t$Rt, $addr", "$addr.base = $Rn_wb",
2059 [/* For disassembly only; pattern left blank */]> {
2060 let Inst{21} = 1; // overwrite
2061 let AsmMatchConverter = "CvtStWriteBackRegAddrMode2";
2064 def STRBT : AI2stridxT<1, 0, (outs GPR:$Rn_wb), (ins GPR:$Rt, addrmode2:$addr),
2065 IndexModePost, StFrm, IIC_iStore_bh_ru,
2066 "strbt", "\t$Rt, $addr", "$addr.base = $Rn_wb",
2067 [/* For disassembly only; pattern left blank */]> {
2068 let Inst{21} = 1; // overwrite
2069 let AsmMatchConverter = "CvtStWriteBackRegAddrMode2";
2072 def STRHT: AI3sthpo<(outs GPR:$base_wb), (ins GPR:$Rt, addrmode3:$addr),
2073 StMiscFrm, IIC_iStore_bh_ru,
2074 "strht", "\t$Rt, $addr", "$addr.base = $base_wb",
2075 [/* For disassembly only; pattern left blank */]> {
2076 let Inst{21} = 1; // overwrite
2077 let AsmMatchConverter = "CvtStWriteBackRegAddrMode3";
2080 //===----------------------------------------------------------------------===//
2081 // Load / store multiple Instructions.
2084 multiclass arm_ldst_mult<string asm, bit L_bit, Format f,
2085 InstrItinClass itin, InstrItinClass itin_upd> {
2086 // IA is the default, so no need for an explicit suffix on the
2087 // mnemonic here. Without it is the cannonical spelling.
2089 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2090 IndexModeNone, f, itin,
2091 !strconcat(asm, "${p}\t$Rn, $regs"), "", []> {
2092 let Inst{24-23} = 0b01; // Increment After
2093 let Inst{21} = 0; // No writeback
2094 let Inst{20} = L_bit;
2097 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2098 IndexModeUpd, f, itin_upd,
2099 !strconcat(asm, "${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
2100 let Inst{24-23} = 0b01; // Increment After
2101 let Inst{21} = 1; // Writeback
2102 let Inst{20} = L_bit;
2105 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2106 IndexModeNone, f, itin,
2107 !strconcat(asm, "da${p}\t$Rn, $regs"), "", []> {
2108 let Inst{24-23} = 0b00; // Decrement After
2109 let Inst{21} = 0; // No writeback
2110 let Inst{20} = L_bit;
2113 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2114 IndexModeUpd, f, itin_upd,
2115 !strconcat(asm, "da${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
2116 let Inst{24-23} = 0b00; // Decrement After
2117 let Inst{21} = 1; // Writeback
2118 let Inst{20} = L_bit;
2121 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2122 IndexModeNone, f, itin,
2123 !strconcat(asm, "db${p}\t$Rn, $regs"), "", []> {
2124 let Inst{24-23} = 0b10; // Decrement Before
2125 let Inst{21} = 0; // No writeback
2126 let Inst{20} = L_bit;
2129 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2130 IndexModeUpd, f, itin_upd,
2131 !strconcat(asm, "db${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
2132 let Inst{24-23} = 0b10; // Decrement Before
2133 let Inst{21} = 1; // Writeback
2134 let Inst{20} = L_bit;
2137 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2138 IndexModeNone, f, itin,
2139 !strconcat(asm, "ib${p}\t$Rn, $regs"), "", []> {
2140 let Inst{24-23} = 0b11; // Increment Before
2141 let Inst{21} = 0; // No writeback
2142 let Inst{20} = L_bit;
2145 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2146 IndexModeUpd, f, itin_upd,
2147 !strconcat(asm, "ib${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
2148 let Inst{24-23} = 0b11; // Increment Before
2149 let Inst{21} = 1; // Writeback
2150 let Inst{20} = L_bit;
2154 let neverHasSideEffects = 1 in {
2156 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
2157 defm LDM : arm_ldst_mult<"ldm", 1, LdStMulFrm, IIC_iLoad_m, IIC_iLoad_mu>;
2159 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
2160 defm STM : arm_ldst_mult<"stm", 0, LdStMulFrm, IIC_iStore_m, IIC_iStore_mu>;
2162 } // neverHasSideEffects
2164 // FIXME: remove when we have a way to marking a MI with these properties.
2165 // FIXME: Should pc be an implicit operand like PICADD, etc?
2166 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
2167 hasExtraDefRegAllocReq = 1, isCodeGenOnly = 1 in
2168 def LDMIA_RET : ARMPseudoExpand<(outs GPR:$wb), (ins GPR:$Rn, pred:$p,
2169 reglist:$regs, variable_ops),
2170 4, IIC_iLoad_mBr, [],
2171 (LDMIA_UPD GPR:$wb, GPR:$Rn, pred:$p, reglist:$regs)>,
2172 RegConstraint<"$Rn = $wb">;
2174 //===----------------------------------------------------------------------===//
2175 // Move Instructions.
2178 let neverHasSideEffects = 1 in
2179 def MOVr : AsI1<0b1101, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMOVr,
2180 "mov", "\t$Rd, $Rm", []>, UnaryDP {
2184 let Inst{19-16} = 0b0000;
2185 let Inst{11-4} = 0b00000000;
2188 let Inst{15-12} = Rd;
2191 // A version for the smaller set of tail call registers.
2192 let neverHasSideEffects = 1 in
2193 def MOVr_TC : AsI1<0b1101, (outs tcGPR:$Rd), (ins tcGPR:$Rm), DPFrm,
2194 IIC_iMOVr, "mov", "\t$Rd, $Rm", []>, UnaryDP {
2198 let Inst{11-4} = 0b00000000;
2201 let Inst{15-12} = Rd;
2204 def MOVsr : AsI1<0b1101, (outs GPR:$Rd), (ins shift_so_reg_reg:$src),
2205 DPSoRegRegFrm, IIC_iMOVsr,
2206 "mov", "\t$Rd, $src", [(set GPR:$Rd, shift_so_reg_reg:$src)]>,
2210 let Inst{15-12} = Rd;
2211 let Inst{19-16} = 0b0000;
2212 let Inst{11-8} = src{11-8};
2214 let Inst{6-5} = src{6-5};
2216 let Inst{3-0} = src{3-0};
2220 def MOVsi : AsI1<0b1101, (outs GPR:$Rd), (ins shift_so_reg_imm:$src),
2221 DPSoRegImmFrm, IIC_iMOVsr,
2222 "mov", "\t$Rd, $src", [(set GPR:$Rd, shift_so_reg_imm:$src)]>,
2226 let Inst{15-12} = Rd;
2227 let Inst{19-16} = 0b0000;
2228 let Inst{11-5} = src{11-5};
2230 let Inst{3-0} = src{3-0};
2236 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
2237 def MOVi : AsI1<0b1101, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm, IIC_iMOVi,
2238 "mov", "\t$Rd, $imm", [(set GPR:$Rd, so_imm:$imm)]>, UnaryDP {
2242 let Inst{15-12} = Rd;
2243 let Inst{19-16} = 0b0000;
2244 let Inst{11-0} = imm;
2247 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
2248 def MOVi16 : AI1<0b1000, (outs GPR:$Rd), (ins imm0_65535_expr:$imm),
2250 "movw", "\t$Rd, $imm",
2251 [(set GPR:$Rd, imm0_65535:$imm)]>,
2252 Requires<[IsARM, HasV6T2]>, UnaryDP {
2255 let Inst{15-12} = Rd;
2256 let Inst{11-0} = imm{11-0};
2257 let Inst{19-16} = imm{15-12};
2262 def : InstAlias<"mov${p} $Rd, $imm",
2263 (MOVi16 GPR:$Rd, imm0_65535_expr:$imm, pred:$p)>,
2266 def MOVi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
2267 (ins i32imm:$addr, pclabel:$id), IIC_iMOVi, []>;
2269 let Constraints = "$src = $Rd" in {
2270 def MOVTi16 : AI1<0b1010, (outs GPR:$Rd), (ins GPR:$src, imm0_65535_expr:$imm),
2272 "movt", "\t$Rd, $imm",
2274 (or (and GPR:$src, 0xffff),
2275 lo16AllZero:$imm))]>, UnaryDP,
2276 Requires<[IsARM, HasV6T2]> {
2279 let Inst{15-12} = Rd;
2280 let Inst{11-0} = imm{11-0};
2281 let Inst{19-16} = imm{15-12};
2286 def MOVTi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
2287 (ins GPR:$src, i32imm:$addr, pclabel:$id), IIC_iMOVi, []>;
2291 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
2292 Requires<[IsARM, HasV6T2]>;
2294 let Uses = [CPSR] in
2295 def RRX: PseudoInst<(outs GPR:$Rd), (ins GPR:$Rm), IIC_iMOVsi,
2296 [(set GPR:$Rd, (ARMrrx GPR:$Rm))]>, UnaryDP,
2299 // These aren't really mov instructions, but we have to define them this way
2300 // due to flag operands.
2302 let Defs = [CPSR] in {
2303 def MOVsrl_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
2304 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP,
2306 def MOVsra_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
2307 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP,
2311 //===----------------------------------------------------------------------===//
2312 // Extend Instructions.
2317 defm SXTB : AI_ext_rrot<0b01101010,
2318 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
2319 defm SXTH : AI_ext_rrot<0b01101011,
2320 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
2322 defm SXTAB : AI_exta_rrot<0b01101010,
2323 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
2324 defm SXTAH : AI_exta_rrot<0b01101011,
2325 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
2327 // For disassembly only
2328 defm SXTB16 : AI_ext_rrot_np<0b01101000, "sxtb16">;
2330 // For disassembly only
2331 defm SXTAB16 : AI_exta_rrot_np<0b01101000, "sxtab16">;
2335 let AddedComplexity = 16 in {
2336 defm UXTB : AI_ext_rrot<0b01101110,
2337 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
2338 defm UXTH : AI_ext_rrot<0b01101111,
2339 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
2340 defm UXTB16 : AI_ext_rrot<0b01101100,
2341 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
2343 // FIXME: This pattern incorrectly assumes the shl operator is a rotate.
2344 // The transformation should probably be done as a combiner action
2345 // instead so we can include a check for masking back in the upper
2346 // eight bits of the source into the lower eight bits of the result.
2347 //def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
2348 // (UXTB16r_rot GPR:$Src, 24)>;
2349 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
2350 (UXTB16r_rot GPR:$Src, 8)>;
2352 defm UXTAB : AI_exta_rrot<0b01101110, "uxtab",
2353 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
2354 defm UXTAH : AI_exta_rrot<0b01101111, "uxtah",
2355 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
2358 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
2359 // For disassembly only
2360 defm UXTAB16 : AI_exta_rrot_np<0b01101100, "uxtab16">;
2363 def SBFX : I<(outs GPR:$Rd),
2364 (ins GPR:$Rn, imm0_31:$lsb, imm0_31_m1:$width),
2365 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
2366 "sbfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
2367 Requires<[IsARM, HasV6T2]> {
2372 let Inst{27-21} = 0b0111101;
2373 let Inst{6-4} = 0b101;
2374 let Inst{20-16} = width;
2375 let Inst{15-12} = Rd;
2376 let Inst{11-7} = lsb;
2380 def UBFX : I<(outs GPR:$Rd),
2381 (ins GPR:$Rn, imm0_31:$lsb, imm0_31_m1:$width),
2382 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
2383 "ubfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
2384 Requires<[IsARM, HasV6T2]> {
2389 let Inst{27-21} = 0b0111111;
2390 let Inst{6-4} = 0b101;
2391 let Inst{20-16} = width;
2392 let Inst{15-12} = Rd;
2393 let Inst{11-7} = lsb;
2397 //===----------------------------------------------------------------------===//
2398 // Arithmetic Instructions.
2401 defm ADD : AsI1_bin_irs<0b0100, "add",
2402 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2403 BinOpFrag<(add node:$LHS, node:$RHS)>, "ADD", 1>;
2404 defm SUB : AsI1_bin_irs<0b0010, "sub",
2405 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2406 BinOpFrag<(sub node:$LHS, node:$RHS)>, "SUB">;
2408 // ADD and SUB with 's' bit set.
2409 defm ADDS : AI1_bin_s_irs<0b0100, "adds",
2410 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2411 BinOpFrag<(addc node:$LHS, node:$RHS)>, 1>;
2412 defm SUBS : AI1_bin_s_irs<0b0010, "subs",
2413 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2414 BinOpFrag<(subc node:$LHS, node:$RHS)>>;
2416 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
2417 BinOpFrag<(adde_dead_carry node:$LHS, node:$RHS)>,
2419 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
2420 BinOpFrag<(sube_dead_carry node:$LHS, node:$RHS)>,
2423 // ADC and SUBC with 's' bit set.
2424 let usesCustomInserter = 1 in {
2425 defm ADCS : AI1_adde_sube_s_irs<
2426 BinOpFrag<(adde_live_carry node:$LHS, node:$RHS)>, 1>;
2427 defm SBCS : AI1_adde_sube_s_irs<
2428 BinOpFrag<(sube_live_carry node:$LHS, node:$RHS) >>;
2431 def RSBri : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
2432 IIC_iALUi, "rsb", "\t$Rd, $Rn, $imm",
2433 [(set GPR:$Rd, (sub so_imm:$imm, GPR:$Rn))]> {
2438 let Inst{15-12} = Rd;
2439 let Inst{19-16} = Rn;
2440 let Inst{11-0} = imm;
2443 // The reg/reg form is only defined for the disassembler; for codegen it is
2444 // equivalent to SUBrr.
2445 def RSBrr : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
2446 IIC_iALUr, "rsb", "\t$Rd, $Rn, $Rm",
2447 [/* For disassembly only; pattern left blank */]> {
2451 let Inst{11-4} = 0b00000000;
2454 let Inst{15-12} = Rd;
2455 let Inst{19-16} = Rn;
2458 def RSBrsi : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_imm:$shift),
2459 DPSoRegImmFrm, IIC_iALUsr, "rsb", "\t$Rd, $Rn, $shift",
2460 [(set GPR:$Rd, (sub so_reg_imm:$shift, GPR:$Rn))]> {
2465 let Inst{19-16} = Rn;
2466 let Inst{15-12} = Rd;
2467 let Inst{11-5} = shift{11-5};
2469 let Inst{3-0} = shift{3-0};
2472 def RSBrsr : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_reg:$shift),
2473 DPSoRegRegFrm, IIC_iALUsr, "rsb", "\t$Rd, $Rn, $shift",
2474 [(set GPR:$Rd, (sub so_reg_reg:$shift, GPR:$Rn))]> {
2479 let Inst{19-16} = Rn;
2480 let Inst{15-12} = Rd;
2481 let Inst{11-8} = shift{11-8};
2483 let Inst{6-5} = shift{6-5};
2485 let Inst{3-0} = shift{3-0};
2488 // RSB with 's' bit set.
2489 // NOTE: CPSR def omitted because it will be handled by the custom inserter.
2490 let usesCustomInserter = 1 in {
2491 def RSBSri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2493 [(set GPR:$Rd, (subc so_imm:$imm, GPR:$Rn))]>;
2494 def RSBSrr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2496 [/* For disassembly only; pattern left blank */]>;
2497 def RSBSrsi : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg_imm:$shift),
2499 [(set GPR:$Rd, (subc so_reg_imm:$shift, GPR:$Rn))]>;
2500 def RSBSrsr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg_reg:$shift),
2502 [(set GPR:$Rd, (subc so_reg_reg:$shift, GPR:$Rn))]>;
2505 let Uses = [CPSR] in {
2506 def RSCri : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2507 DPFrm, IIC_iALUi, "rsc", "\t$Rd, $Rn, $imm",
2508 [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>,
2514 let Inst{15-12} = Rd;
2515 let Inst{19-16} = Rn;
2516 let Inst{11-0} = imm;
2518 // The reg/reg form is only defined for the disassembler; for codegen it is
2519 // equivalent to SUBrr.
2520 def RSCrr : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2521 DPFrm, IIC_iALUr, "rsc", "\t$Rd, $Rn, $Rm",
2522 [/* For disassembly only; pattern left blank */]> {
2526 let Inst{11-4} = 0b00000000;
2529 let Inst{15-12} = Rd;
2530 let Inst{19-16} = Rn;
2532 def RSCrsi : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_imm:$shift),
2533 DPSoRegImmFrm, IIC_iALUsr, "rsc", "\t$Rd, $Rn, $shift",
2534 [(set GPR:$Rd, (sube_dead_carry so_reg_imm:$shift, GPR:$Rn))]>,
2540 let Inst{19-16} = Rn;
2541 let Inst{15-12} = Rd;
2542 let Inst{11-5} = shift{11-5};
2544 let Inst{3-0} = shift{3-0};
2546 def RSCrsr : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_reg:$shift),
2547 DPSoRegRegFrm, IIC_iALUsr, "rsc", "\t$Rd, $Rn, $shift",
2548 [(set GPR:$Rd, (sube_dead_carry so_reg_reg:$shift, GPR:$Rn))]>,
2554 let Inst{19-16} = Rn;
2555 let Inst{15-12} = Rd;
2556 let Inst{11-8} = shift{11-8};
2558 let Inst{6-5} = shift{6-5};
2560 let Inst{3-0} = shift{3-0};
2565 // NOTE: CPSR def omitted because it will be handled by the custom inserter.
2566 let usesCustomInserter = 1, Uses = [CPSR] in {
2567 def RSCSri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2569 [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>;
2570 def RSCSrsi : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg_imm:$shift),
2572 [(set GPR:$Rd, (sube_dead_carry so_reg_imm:$shift, GPR:$Rn))]>;
2573 def RSCSrsr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg_reg:$shift),
2575 [(set GPR:$Rd, (sube_dead_carry so_reg_reg:$shift, GPR:$Rn))]>;
2578 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
2579 // The assume-no-carry-in form uses the negation of the input since add/sub
2580 // assume opposite meanings of the carry flag (i.e., carry == !borrow).
2581 // See the definition of AddWithCarry() in the ARM ARM A2.2.1 for the gory
2583 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
2584 (SUBri GPR:$src, so_imm_neg:$imm)>;
2585 def : ARMPat<(addc GPR:$src, so_imm_neg:$imm),
2586 (SUBSri GPR:$src, so_imm_neg:$imm)>;
2587 // The with-carry-in form matches bitwise not instead of the negation.
2588 // Effectively, the inverse interpretation of the carry flag already accounts
2589 // for part of the negation.
2590 def : ARMPat<(adde_dead_carry GPR:$src, so_imm_not:$imm),
2591 (SBCri GPR:$src, so_imm_not:$imm)>;
2592 def : ARMPat<(adde_live_carry GPR:$src, so_imm_not:$imm),
2593 (SBCSri GPR:$src, so_imm_not:$imm)>;
2595 // Note: These are implemented in C++ code, because they have to generate
2596 // ADD/SUBrs instructions, which use a complex pattern that a xform function
2598 // (mul X, 2^n+1) -> (add (X << n), X)
2599 // (mul X, 2^n-1) -> (rsb X, (X << n))
2601 // ARM Arithmetic Instruction
2602 // GPR:$dst = GPR:$a op GPR:$b
2603 class AAI<bits<8> op27_20, bits<8> op11_4, string opc,
2604 list<dag> pattern = [],
2605 dag iops = (ins GPR:$Rn, GPR:$Rm), string asm = "\t$Rd, $Rn, $Rm">
2606 : AI<(outs GPR:$Rd), iops, DPFrm, IIC_iALUr, opc, asm, pattern> {
2610 let Inst{27-20} = op27_20;
2611 let Inst{11-4} = op11_4;
2612 let Inst{19-16} = Rn;
2613 let Inst{15-12} = Rd;
2617 // Saturating add/subtract
2619 def QADD : AAI<0b00010000, 0b00000101, "qadd",
2620 [(set GPR:$Rd, (int_arm_qadd GPR:$Rm, GPR:$Rn))],
2621 (ins GPR:$Rm, GPR:$Rn), "\t$Rd, $Rm, $Rn">;
2622 def QSUB : AAI<0b00010010, 0b00000101, "qsub",
2623 [(set GPR:$Rd, (int_arm_qsub GPR:$Rm, GPR:$Rn))],
2624 (ins GPR:$Rm, GPR:$Rn), "\t$Rd, $Rm, $Rn">;
2625 def QDADD : AAI<0b00010100, 0b00000101, "qdadd", [], (ins GPR:$Rm, GPR:$Rn),
2627 def QDSUB : AAI<0b00010110, 0b00000101, "qdsub", [], (ins GPR:$Rm, GPR:$Rn),
2630 def QADD16 : AAI<0b01100010, 0b11110001, "qadd16">;
2631 def QADD8 : AAI<0b01100010, 0b11111001, "qadd8">;
2632 def QASX : AAI<0b01100010, 0b11110011, "qasx">;
2633 def QSAX : AAI<0b01100010, 0b11110101, "qsax">;
2634 def QSUB16 : AAI<0b01100010, 0b11110111, "qsub16">;
2635 def QSUB8 : AAI<0b01100010, 0b11111111, "qsub8">;
2636 def UQADD16 : AAI<0b01100110, 0b11110001, "uqadd16">;
2637 def UQADD8 : AAI<0b01100110, 0b11111001, "uqadd8">;
2638 def UQASX : AAI<0b01100110, 0b11110011, "uqasx">;
2639 def UQSAX : AAI<0b01100110, 0b11110101, "uqsax">;
2640 def UQSUB16 : AAI<0b01100110, 0b11110111, "uqsub16">;
2641 def UQSUB8 : AAI<0b01100110, 0b11111111, "uqsub8">;
2643 // Signed/Unsigned add/subtract
2645 def SASX : AAI<0b01100001, 0b11110011, "sasx">;
2646 def SADD16 : AAI<0b01100001, 0b11110001, "sadd16">;
2647 def SADD8 : AAI<0b01100001, 0b11111001, "sadd8">;
2648 def SSAX : AAI<0b01100001, 0b11110101, "ssax">;
2649 def SSUB16 : AAI<0b01100001, 0b11110111, "ssub16">;
2650 def SSUB8 : AAI<0b01100001, 0b11111111, "ssub8">;
2651 def UASX : AAI<0b01100101, 0b11110011, "uasx">;
2652 def UADD16 : AAI<0b01100101, 0b11110001, "uadd16">;
2653 def UADD8 : AAI<0b01100101, 0b11111001, "uadd8">;
2654 def USAX : AAI<0b01100101, 0b11110101, "usax">;
2655 def USUB16 : AAI<0b01100101, 0b11110111, "usub16">;
2656 def USUB8 : AAI<0b01100101, 0b11111111, "usub8">;
2658 // Signed/Unsigned halving add/subtract
2660 def SHASX : AAI<0b01100011, 0b11110011, "shasx">;
2661 def SHADD16 : AAI<0b01100011, 0b11110001, "shadd16">;
2662 def SHADD8 : AAI<0b01100011, 0b11111001, "shadd8">;
2663 def SHSAX : AAI<0b01100011, 0b11110101, "shsax">;
2664 def SHSUB16 : AAI<0b01100011, 0b11110111, "shsub16">;
2665 def SHSUB8 : AAI<0b01100011, 0b11111111, "shsub8">;
2666 def UHASX : AAI<0b01100111, 0b11110011, "uhasx">;
2667 def UHADD16 : AAI<0b01100111, 0b11110001, "uhadd16">;
2668 def UHADD8 : AAI<0b01100111, 0b11111001, "uhadd8">;
2669 def UHSAX : AAI<0b01100111, 0b11110101, "uhsax">;
2670 def UHSUB16 : AAI<0b01100111, 0b11110111, "uhsub16">;
2671 def UHSUB8 : AAI<0b01100111, 0b11111111, "uhsub8">;
2673 // Unsigned Sum of Absolute Differences [and Accumulate] -- for disassembly only
2675 def USAD8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2676 MulFrm /* for convenience */, NoItinerary, "usad8",
2677 "\t$Rd, $Rn, $Rm", []>,
2678 Requires<[IsARM, HasV6]> {
2682 let Inst{27-20} = 0b01111000;
2683 let Inst{15-12} = 0b1111;
2684 let Inst{7-4} = 0b0001;
2685 let Inst{19-16} = Rd;
2686 let Inst{11-8} = Rm;
2689 def USADA8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2690 MulFrm /* for convenience */, NoItinerary, "usada8",
2691 "\t$Rd, $Rn, $Rm, $Ra", []>,
2692 Requires<[IsARM, HasV6]> {
2697 let Inst{27-20} = 0b01111000;
2698 let Inst{7-4} = 0b0001;
2699 let Inst{19-16} = Rd;
2700 let Inst{15-12} = Ra;
2701 let Inst{11-8} = Rm;
2705 // Signed/Unsigned saturate -- for disassembly only
2707 def SSAT : AI<(outs GPR:$Rd), (ins imm1_32:$sat_imm, GPR:$Rn, shift_imm:$sh),
2708 SatFrm, NoItinerary, "ssat", "\t$Rd, $sat_imm, $Rn$sh", []> {
2713 let Inst{27-21} = 0b0110101;
2714 let Inst{5-4} = 0b01;
2715 let Inst{20-16} = sat_imm;
2716 let Inst{15-12} = Rd;
2717 let Inst{11-7} = sh{4-0};
2718 let Inst{6} = sh{5};
2722 def SSAT16 : AI<(outs GPR:$Rd), (ins imm1_16:$sat_imm, GPR:$Rn), SatFrm,
2723 NoItinerary, "ssat16", "\t$Rd, $sat_imm, $Rn", []> {
2727 let Inst{27-20} = 0b01101010;
2728 let Inst{11-4} = 0b11110011;
2729 let Inst{15-12} = Rd;
2730 let Inst{19-16} = sat_imm;
2734 def USAT : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$Rn, shift_imm:$sh),
2735 SatFrm, NoItinerary, "usat", "\t$Rd, $sat_imm, $Rn$sh", []> {
2740 let Inst{27-21} = 0b0110111;
2741 let Inst{5-4} = 0b01;
2742 let Inst{15-12} = Rd;
2743 let Inst{11-7} = sh{4-0};
2744 let Inst{6} = sh{5};
2745 let Inst{20-16} = sat_imm;
2749 def USAT16 : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a), SatFrm,
2750 NoItinerary, "usat16", "\t$Rd, $sat_imm, $a",
2751 [/* For disassembly only; pattern left blank */]> {
2755 let Inst{27-20} = 0b01101110;
2756 let Inst{11-4} = 0b11110011;
2757 let Inst{15-12} = Rd;
2758 let Inst{19-16} = sat_imm;
2762 def : ARMV6Pat<(int_arm_ssat GPR:$a, imm:$pos), (SSAT imm:$pos, GPR:$a, 0)>;
2763 def : ARMV6Pat<(int_arm_usat GPR:$a, imm:$pos), (USAT imm:$pos, GPR:$a, 0)>;
2765 //===----------------------------------------------------------------------===//
2766 // Bitwise Instructions.
2769 defm AND : AsI1_bin_irs<0b0000, "and",
2770 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2771 BinOpFrag<(and node:$LHS, node:$RHS)>, "AND", 1>;
2772 defm ORR : AsI1_bin_irs<0b1100, "orr",
2773 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2774 BinOpFrag<(or node:$LHS, node:$RHS)>, "ORR", 1>;
2775 defm EOR : AsI1_bin_irs<0b0001, "eor",
2776 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2777 BinOpFrag<(xor node:$LHS, node:$RHS)>, "EOR", 1>;
2778 defm BIC : AsI1_bin_irs<0b1110, "bic",
2779 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2780 BinOpFrag<(and node:$LHS, (not node:$RHS))>, "BIC">;
2782 def BFC : I<(outs GPR:$Rd), (ins GPR:$src, bf_inv_mask_imm:$imm),
2783 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
2784 "bfc", "\t$Rd, $imm", "$src = $Rd",
2785 [(set GPR:$Rd, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
2786 Requires<[IsARM, HasV6T2]> {
2789 let Inst{27-21} = 0b0111110;
2790 let Inst{6-0} = 0b0011111;
2791 let Inst{15-12} = Rd;
2792 let Inst{11-7} = imm{4-0}; // lsb
2793 let Inst{20-16} = imm{9-5}; // width
2796 // A8.6.18 BFI - Bitfield insert (Encoding A1)
2797 def BFI : I<(outs GPR:$Rd), (ins GPR:$src, GPR:$Rn, bf_inv_mask_imm:$imm),
2798 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
2799 "bfi", "\t$Rd, $Rn, $imm", "$src = $Rd",
2800 [(set GPR:$Rd, (ARMbfi GPR:$src, GPR:$Rn,
2801 bf_inv_mask_imm:$imm))]>,
2802 Requires<[IsARM, HasV6T2]> {
2806 let Inst{27-21} = 0b0111110;
2807 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
2808 let Inst{15-12} = Rd;
2809 let Inst{11-7} = imm{4-0}; // lsb
2810 let Inst{20-16} = imm{9-5}; // width
2814 // GNU as only supports this form of bfi (w/ 4 arguments)
2815 let isAsmParserOnly = 1 in
2816 def BFI4p : I<(outs GPR:$Rd), (ins GPR:$src, GPR:$Rn,
2817 lsb_pos_imm:$lsb, width_imm:$width),
2818 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
2819 "bfi", "\t$Rd, $Rn, $lsb, $width", "$src = $Rd",
2820 []>, Requires<[IsARM, HasV6T2]> {
2825 let Inst{27-21} = 0b0111110;
2826 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
2827 let Inst{15-12} = Rd;
2828 let Inst{11-7} = lsb;
2829 let Inst{20-16} = width; // Custom encoder => lsb+width-1
2833 def MVNr : AsI1<0b1111, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMVNr,
2834 "mvn", "\t$Rd, $Rm",
2835 [(set GPR:$Rd, (not GPR:$Rm))]>, UnaryDP {
2839 let Inst{19-16} = 0b0000;
2840 let Inst{11-4} = 0b00000000;
2841 let Inst{15-12} = Rd;
2844 def MVNsi : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg_imm:$shift), DPSoRegImmFrm,
2845 IIC_iMVNsr, "mvn", "\t$Rd, $shift",
2846 [(set GPR:$Rd, (not so_reg_imm:$shift))]>, UnaryDP {
2850 let Inst{19-16} = 0b0000;
2851 let Inst{15-12} = Rd;
2852 let Inst{11-5} = shift{11-5};
2854 let Inst{3-0} = shift{3-0};
2856 def MVNsr : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg_reg:$shift), DPSoRegRegFrm,
2857 IIC_iMVNsr, "mvn", "\t$Rd, $shift",
2858 [(set GPR:$Rd, (not so_reg_reg:$shift))]>, UnaryDP {
2862 let Inst{19-16} = 0b0000;
2863 let Inst{15-12} = Rd;
2864 let Inst{11-8} = shift{11-8};
2866 let Inst{6-5} = shift{6-5};
2868 let Inst{3-0} = shift{3-0};
2870 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
2871 def MVNi : AsI1<0b1111, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm,
2872 IIC_iMVNi, "mvn", "\t$Rd, $imm",
2873 [(set GPR:$Rd, so_imm_not:$imm)]>,UnaryDP {
2877 let Inst{19-16} = 0b0000;
2878 let Inst{15-12} = Rd;
2879 let Inst{11-0} = imm;
2882 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
2883 (BICri GPR:$src, so_imm_not:$imm)>;
2885 //===----------------------------------------------------------------------===//
2886 // Multiply Instructions.
2888 class AsMul1I32<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
2889 string opc, string asm, list<dag> pattern>
2890 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
2894 let Inst{19-16} = Rd;
2895 let Inst{11-8} = Rm;
2898 class AsMul1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
2899 string opc, string asm, list<dag> pattern>
2900 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
2905 let Inst{19-16} = RdHi;
2906 let Inst{15-12} = RdLo;
2907 let Inst{11-8} = Rm;
2911 // FIXME: The v5 pseudos are only necessary for the additional Constraint
2912 // property. Remove them when it's possible to add those properties
2913 // on an individual MachineInstr, not just an instuction description.
2914 let isCommutable = 1 in {
2915 def MUL : AsMul1I32<0b0000000, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2916 IIC_iMUL32, "mul", "\t$Rd, $Rn, $Rm",
2917 [(set GPR:$Rd, (mul GPR:$Rn, GPR:$Rm))]>,
2918 Requires<[IsARM, HasV6]> {
2919 let Inst{15-12} = 0b0000;
2922 let Constraints = "@earlyclobber $Rd" in
2923 def MULv5: ARMPseudoExpand<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
2924 pred:$p, cc_out:$s),
2926 [(set GPR:$Rd, (mul GPR:$Rn, GPR:$Rm))],
2927 (MUL GPR:$Rd, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
2928 Requires<[IsARM, NoV6]>;
2931 def MLA : AsMul1I32<0b0000001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2932 IIC_iMAC32, "mla", "\t$Rd, $Rn, $Rm, $Ra",
2933 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
2934 Requires<[IsARM, HasV6]> {
2936 let Inst{15-12} = Ra;
2939 let Constraints = "@earlyclobber $Rd" in
2940 def MLAv5: ARMPseudoExpand<(outs GPR:$Rd),
2941 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra, pred:$p, cc_out:$s),
2943 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))],
2944 (MLA GPR:$Rd, GPR:$Rn, GPR:$Rm, GPR:$Ra, pred:$p, cc_out:$s)>,
2945 Requires<[IsARM, NoV6]>;
2947 def MLS : AMul1I<0b0000011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2948 IIC_iMAC32, "mls", "\t$Rd, $Rn, $Rm, $Ra",
2949 [(set GPR:$Rd, (sub GPR:$Ra, (mul GPR:$Rn, GPR:$Rm)))]>,
2950 Requires<[IsARM, HasV6T2]> {
2955 let Inst{19-16} = Rd;
2956 let Inst{15-12} = Ra;
2957 let Inst{11-8} = Rm;
2961 // Extra precision multiplies with low / high results
2962 let neverHasSideEffects = 1 in {
2963 let isCommutable = 1 in {
2964 def SMULL : AsMul1I64<0b0000110, (outs GPR:$RdLo, GPR:$RdHi),
2965 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
2966 "smull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2967 Requires<[IsARM, HasV6]>;
2969 def UMULL : AsMul1I64<0b0000100, (outs GPR:$RdLo, GPR:$RdHi),
2970 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
2971 "umull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2972 Requires<[IsARM, HasV6]>;
2974 let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
2975 def SMULLv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
2976 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
2978 (SMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
2979 Requires<[IsARM, NoV6]>;
2981 def UMULLv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
2982 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
2984 (UMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
2985 Requires<[IsARM, NoV6]>;
2989 // Multiply + accumulate
2990 def SMLAL : AsMul1I64<0b0000111, (outs GPR:$RdLo, GPR:$RdHi),
2991 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2992 "smlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2993 Requires<[IsARM, HasV6]>;
2994 def UMLAL : AsMul1I64<0b0000101, (outs GPR:$RdLo, GPR:$RdHi),
2995 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2996 "umlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2997 Requires<[IsARM, HasV6]>;
2999 def UMAAL : AMul1I <0b0000010, (outs GPR:$RdLo, GPR:$RdHi),
3000 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
3001 "umaal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3002 Requires<[IsARM, HasV6]> {
3007 let Inst{19-16} = RdLo;
3008 let Inst{15-12} = RdHi;
3009 let Inst{11-8} = Rm;
3013 let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
3014 def SMLALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3015 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
3017 (SMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3018 Requires<[IsARM, NoV6]>;
3019 def UMLALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3020 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
3022 (UMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3023 Requires<[IsARM, NoV6]>;
3024 def UMAALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3025 (ins GPR:$Rn, GPR:$Rm, pred:$p),
3027 (UMAAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p)>,
3028 Requires<[IsARM, NoV6]>;
3031 } // neverHasSideEffects
3033 // Most significant word multiply
3034 def SMMUL : AMul2I <0b0111010, 0b0001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3035 IIC_iMUL32, "smmul", "\t$Rd, $Rn, $Rm",
3036 [(set GPR:$Rd, (mulhs GPR:$Rn, GPR:$Rm))]>,
3037 Requires<[IsARM, HasV6]> {
3038 let Inst{15-12} = 0b1111;
3041 def SMMULR : AMul2I <0b0111010, 0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3042 IIC_iMUL32, "smmulr", "\t$Rd, $Rn, $Rm",
3043 [/* For disassembly only; pattern left blank */]>,
3044 Requires<[IsARM, HasV6]> {
3045 let Inst{15-12} = 0b1111;
3048 def SMMLA : AMul2Ia <0b0111010, 0b0001, (outs GPR:$Rd),
3049 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3050 IIC_iMAC32, "smmla", "\t$Rd, $Rn, $Rm, $Ra",
3051 [(set GPR:$Rd, (add (mulhs GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
3052 Requires<[IsARM, HasV6]>;
3054 def SMMLAR : AMul2Ia <0b0111010, 0b0011, (outs GPR:$Rd),
3055 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3056 IIC_iMAC32, "smmlar", "\t$Rd, $Rn, $Rm, $Ra",
3057 [/* For disassembly only; pattern left blank */]>,
3058 Requires<[IsARM, HasV6]>;
3060 def SMMLS : AMul2Ia <0b0111010, 0b1101, (outs GPR:$Rd),
3061 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3062 IIC_iMAC32, "smmls", "\t$Rd, $Rn, $Rm, $Ra",
3063 [(set GPR:$Rd, (sub GPR:$Ra, (mulhs GPR:$Rn, GPR:$Rm)))]>,
3064 Requires<[IsARM, HasV6]>;
3066 def SMMLSR : AMul2Ia <0b0111010, 0b1111, (outs GPR:$Rd),
3067 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3068 IIC_iMAC32, "smmlsr", "\t$Rd, $Rn, $Rm, $Ra",
3069 [/* For disassembly only; pattern left blank */]>,
3070 Requires<[IsARM, HasV6]>;
3072 multiclass AI_smul<string opc, PatFrag opnode> {
3073 def BB : AMulxyI<0b0001011, 0b00, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3074 IIC_iMUL16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm",
3075 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
3076 (sext_inreg GPR:$Rm, i16)))]>,
3077 Requires<[IsARM, HasV5TE]>;
3079 def BT : AMulxyI<0b0001011, 0b10, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3080 IIC_iMUL16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm",
3081 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
3082 (sra GPR:$Rm, (i32 16))))]>,
3083 Requires<[IsARM, HasV5TE]>;
3085 def TB : AMulxyI<0b0001011, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3086 IIC_iMUL16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm",
3087 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
3088 (sext_inreg GPR:$Rm, i16)))]>,
3089 Requires<[IsARM, HasV5TE]>;
3091 def TT : AMulxyI<0b0001011, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3092 IIC_iMUL16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm",
3093 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
3094 (sra GPR:$Rm, (i32 16))))]>,
3095 Requires<[IsARM, HasV5TE]>;
3097 def WB : AMulxyI<0b0001001, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3098 IIC_iMUL16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm",
3099 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
3100 (sext_inreg GPR:$Rm, i16)), (i32 16)))]>,
3101 Requires<[IsARM, HasV5TE]>;
3103 def WT : AMulxyI<0b0001001, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3104 IIC_iMUL16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm",
3105 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
3106 (sra GPR:$Rm, (i32 16))), (i32 16)))]>,
3107 Requires<[IsARM, HasV5TE]>;
3111 multiclass AI_smla<string opc, PatFrag opnode> {
3112 def BB : AMulxyIa<0b0001000, 0b00, (outs GPR:$Rd),
3113 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3114 IIC_iMAC16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm, $Ra",
3115 [(set GPR:$Rd, (add GPR:$Ra,
3116 (opnode (sext_inreg GPR:$Rn, i16),
3117 (sext_inreg GPR:$Rm, i16))))]>,
3118 Requires<[IsARM, HasV5TE]>;
3120 def BT : AMulxyIa<0b0001000, 0b10, (outs GPR:$Rd),
3121 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3122 IIC_iMAC16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm, $Ra",
3123 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sext_inreg GPR:$Rn, i16),
3124 (sra GPR:$Rm, (i32 16)))))]>,
3125 Requires<[IsARM, HasV5TE]>;
3127 def TB : AMulxyIa<0b0001000, 0b01, (outs GPR:$Rd),
3128 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3129 IIC_iMAC16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm, $Ra",
3130 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sra GPR:$Rn, (i32 16)),
3131 (sext_inreg GPR:$Rm, i16))))]>,
3132 Requires<[IsARM, HasV5TE]>;
3134 def TT : AMulxyIa<0b0001000, 0b11, (outs GPR:$Rd),
3135 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3136 IIC_iMAC16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm, $Ra",
3137 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sra GPR:$Rn, (i32 16)),
3138 (sra GPR:$Rm, (i32 16)))))]>,
3139 Requires<[IsARM, HasV5TE]>;
3141 def WB : AMulxyIa<0b0001001, 0b00, (outs GPR:$Rd),
3142 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3143 IIC_iMAC16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm, $Ra",
3144 [(set GPR:$Rd, (add GPR:$Ra, (sra (opnode GPR:$Rn,
3145 (sext_inreg GPR:$Rm, i16)), (i32 16))))]>,
3146 Requires<[IsARM, HasV5TE]>;
3148 def WT : AMulxyIa<0b0001001, 0b10, (outs GPR:$Rd),
3149 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3150 IIC_iMAC16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm, $Ra",
3151 [(set GPR:$Rd, (add GPR:$Ra, (sra (opnode GPR:$Rn,
3152 (sra GPR:$Rm, (i32 16))), (i32 16))))]>,
3153 Requires<[IsARM, HasV5TE]>;
3156 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
3157 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
3159 // Halfword multiply accumulate long: SMLAL<x><y> -- for disassembly only
3160 def SMLALBB : AMulxyI64<0b0001010, 0b00, (outs GPR:$RdLo, GPR:$RdHi),
3161 (ins GPR:$Rn, GPR:$Rm),
3162 IIC_iMAC64, "smlalbb", "\t$RdLo, $RdHi, $Rn, $Rm",
3163 [/* For disassembly only; pattern left blank */]>,
3164 Requires<[IsARM, HasV5TE]>;
3166 def SMLALBT : AMulxyI64<0b0001010, 0b10, (outs GPR:$RdLo, GPR:$RdHi),
3167 (ins GPR:$Rn, GPR:$Rm),
3168 IIC_iMAC64, "smlalbt", "\t$RdLo, $RdHi, $Rn, $Rm",
3169 [/* For disassembly only; pattern left blank */]>,
3170 Requires<[IsARM, HasV5TE]>;
3172 def SMLALTB : AMulxyI64<0b0001010, 0b01, (outs GPR:$RdLo, GPR:$RdHi),
3173 (ins GPR:$Rn, GPR:$Rm),
3174 IIC_iMAC64, "smlaltb", "\t$RdLo, $RdHi, $Rn, $Rm",
3175 [/* For disassembly only; pattern left blank */]>,
3176 Requires<[IsARM, HasV5TE]>;
3178 def SMLALTT : AMulxyI64<0b0001010, 0b11, (outs GPR:$RdLo, GPR:$RdHi),
3179 (ins GPR:$Rn, GPR:$Rm),
3180 IIC_iMAC64, "smlaltt", "\t$RdLo, $RdHi, $Rn, $Rm",
3181 [/* For disassembly only; pattern left blank */]>,
3182 Requires<[IsARM, HasV5TE]>;
3184 // Helper class for AI_smld -- for disassembly only
3185 class AMulDualIbase<bit long, bit sub, bit swap, dag oops, dag iops,
3186 InstrItinClass itin, string opc, string asm>
3187 : AI<oops, iops, MulFrm, itin, opc, asm, []>, Requires<[IsARM, HasV6]> {
3190 let Inst{27-23} = 0b01110;
3191 let Inst{22} = long;
3192 let Inst{21-20} = 0b00;
3193 let Inst{11-8} = Rm;
3200 class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
3201 InstrItinClass itin, string opc, string asm>
3202 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
3204 let Inst{15-12} = 0b1111;
3205 let Inst{19-16} = Rd;
3207 class AMulDualIa<bit long, bit sub, bit swap, dag oops, dag iops,
3208 InstrItinClass itin, string opc, string asm>
3209 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
3212 let Inst{19-16} = Rd;
3213 let Inst{15-12} = Ra;
3215 class AMulDualI64<bit long, bit sub, bit swap, dag oops, dag iops,
3216 InstrItinClass itin, string opc, string asm>
3217 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
3220 let Inst{19-16} = RdHi;
3221 let Inst{15-12} = RdLo;
3224 multiclass AI_smld<bit sub, string opc> {
3226 def D : AMulDualIa<0, sub, 0, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3227 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm, $Ra">;
3229 def DX: AMulDualIa<0, sub, 1, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3230 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm, $Ra">;
3232 def LD: AMulDualI64<1, sub, 0, (outs GPR:$RdLo,GPR:$RdHi),
3233 (ins GPR:$Rn, GPR:$Rm), NoItinerary,
3234 !strconcat(opc, "ld"), "\t$RdLo, $RdHi, $Rn, $Rm">;
3236 def LDX : AMulDualI64<1, sub, 1, (outs GPR:$RdLo,GPR:$RdHi),
3237 (ins GPR:$Rn, GPR:$Rm), NoItinerary,
3238 !strconcat(opc, "ldx"),"\t$RdLo, $RdHi, $Rn, $Rm">;
3242 defm SMLA : AI_smld<0, "smla">;
3243 defm SMLS : AI_smld<1, "smls">;
3245 multiclass AI_sdml<bit sub, string opc> {
3247 def D : AMulDualI<0, sub, 0, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3248 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm">;
3249 def DX : AMulDualI<0, sub, 1, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3250 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm">;
3253 defm SMUA : AI_sdml<0, "smua">;
3254 defm SMUS : AI_sdml<1, "smus">;
3256 //===----------------------------------------------------------------------===//
3257 // Misc. Arithmetic Instructions.
3260 def CLZ : AMiscA1I<0b000010110, 0b0001, (outs GPR:$Rd), (ins GPR:$Rm),
3261 IIC_iUNAr, "clz", "\t$Rd, $Rm",
3262 [(set GPR:$Rd, (ctlz GPR:$Rm))]>, Requires<[IsARM, HasV5T]>;
3264 def RBIT : AMiscA1I<0b01101111, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
3265 IIC_iUNAr, "rbit", "\t$Rd, $Rm",
3266 [(set GPR:$Rd, (ARMrbit GPR:$Rm))]>,
3267 Requires<[IsARM, HasV6T2]>;
3269 def REV : AMiscA1I<0b01101011, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
3270 IIC_iUNAr, "rev", "\t$Rd, $Rm",
3271 [(set GPR:$Rd, (bswap GPR:$Rm))]>, Requires<[IsARM, HasV6]>;
3273 let AddedComplexity = 5 in
3274 def REV16 : AMiscA1I<0b01101011, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
3275 IIC_iUNAr, "rev16", "\t$Rd, $Rm",
3276 [(set GPR:$Rd, (rotr (bswap GPR:$Rm), (i32 16)))]>,
3277 Requires<[IsARM, HasV6]>;
3279 let AddedComplexity = 5 in
3280 def REVSH : AMiscA1I<0b01101111, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
3281 IIC_iUNAr, "revsh", "\t$Rd, $Rm",
3282 [(set GPR:$Rd, (sra (bswap GPR:$Rm), (i32 16)))]>,
3283 Requires<[IsARM, HasV6]>;
3285 def : ARMV6Pat<(or (sra (shl GPR:$Rm, (i32 24)), (i32 16)),
3286 (and (srl GPR:$Rm, (i32 8)), 0xFF)),
3289 def PKHBT : APKHI<0b01101000, 0, (outs GPR:$Rd),
3290 (ins GPR:$Rn, GPR:$Rm, pkh_lsl_amt:$sh),
3291 IIC_iALUsi, "pkhbt", "\t$Rd, $Rn, $Rm$sh",
3292 [(set GPR:$Rd, (or (and GPR:$Rn, 0xFFFF),
3293 (and (shl GPR:$Rm, pkh_lsl_amt:$sh),
3295 Requires<[IsARM, HasV6]>;
3297 // Alternate cases for PKHBT where identities eliminate some nodes.
3298 def : ARMV6Pat<(or (and GPR:$Rn, 0xFFFF), (and GPR:$Rm, 0xFFFF0000)),
3299 (PKHBT GPR:$Rn, GPR:$Rm, 0)>;
3300 def : ARMV6Pat<(or (and GPR:$Rn, 0xFFFF), (shl GPR:$Rm, imm16_31:$sh)),
3301 (PKHBT GPR:$Rn, GPR:$Rm, imm16_31:$sh)>;
3303 // Note: Shifts of 1-15 bits will be transformed to srl instead of sra and
3304 // will match the pattern below.
3305 def PKHTB : APKHI<0b01101000, 1, (outs GPR:$Rd),
3306 (ins GPR:$Rn, GPR:$Rm, pkh_asr_amt:$sh),
3307 IIC_iBITsi, "pkhtb", "\t$Rd, $Rn, $Rm$sh",
3308 [(set GPR:$Rd, (or (and GPR:$Rn, 0xFFFF0000),
3309 (and (sra GPR:$Rm, pkh_asr_amt:$sh),
3311 Requires<[IsARM, HasV6]>;
3313 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
3314 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
3315 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000), (srl GPR:$src2, imm16_31:$sh)),
3316 (PKHTB GPR:$src1, GPR:$src2, imm16_31:$sh)>;
3317 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000),
3318 (and (srl GPR:$src2, imm1_15:$sh), 0xFFFF)),
3319 (PKHTB GPR:$src1, GPR:$src2, imm1_15:$sh)>;
3321 //===----------------------------------------------------------------------===//
3322 // Comparison Instructions...
3325 defm CMP : AI1_cmp_irs<0b1010, "cmp",
3326 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
3327 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
3329 // ARMcmpZ can re-use the above instruction definitions.
3330 def : ARMPat<(ARMcmpZ GPR:$src, so_imm:$imm),
3331 (CMPri GPR:$src, so_imm:$imm)>;
3332 def : ARMPat<(ARMcmpZ GPR:$src, GPR:$rhs),
3333 (CMPrr GPR:$src, GPR:$rhs)>;
3334 def : ARMPat<(ARMcmpZ GPR:$src, so_reg_imm:$rhs),
3335 (CMPrsi GPR:$src, so_reg_imm:$rhs)>;
3336 def : ARMPat<(ARMcmpZ GPR:$src, so_reg_reg:$rhs),
3337 (CMPrsr GPR:$src, so_reg_reg:$rhs)>;
3339 // FIXME: We have to be careful when using the CMN instruction and comparison
3340 // with 0. One would expect these two pieces of code should give identical
3356 // However, the CMN gives the *opposite* result when r1 is 0. This is because
3357 // the carry flag is set in the CMP case but not in the CMN case. In short, the
3358 // CMP instruction doesn't perform a truncate of the (logical) NOT of 0 plus the
3359 // value of r0 and the carry bit (because the "carry bit" parameter to
3360 // AddWithCarry is defined as 1 in this case, the carry flag will always be set
3361 // when r0 >= 0). The CMN instruction doesn't perform a NOT of 0 so there is
3362 // never a "carry" when this AddWithCarry is performed (because the "carry bit"
3363 // parameter to AddWithCarry is defined as 0).
3365 // When x is 0 and unsigned:
3369 // ~x + 1 = 0x1 0000 0000
3370 // (-x = 0) != (0x1 0000 0000 = ~x + 1)
3372 // Therefore, we should disable CMN when comparing against zero, until we can
3373 // limit when the CMN instruction is used (when we know that the RHS is not 0 or
3374 // when it's a comparison which doesn't look at the 'carry' flag).
3376 // (See the ARM docs for the "AddWithCarry" pseudo-code.)
3378 // This is related to <rdar://problem/7569620>.
3380 //defm CMN : AI1_cmp_irs<0b1011, "cmn",
3381 // BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
3383 // Note that TST/TEQ don't set all the same flags that CMP does!
3384 defm TST : AI1_cmp_irs<0b1000, "tst",
3385 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
3386 BinOpFrag<(ARMcmpZ (and_su node:$LHS, node:$RHS), 0)>, 1>;
3387 defm TEQ : AI1_cmp_irs<0b1001, "teq",
3388 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
3389 BinOpFrag<(ARMcmpZ (xor_su node:$LHS, node:$RHS), 0)>, 1>;
3391 defm CMNz : AI1_cmp_irs<0b1011, "cmn",
3392 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
3393 BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>>;
3395 //def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
3396 // (CMNri GPR:$src, so_imm_neg:$imm)>;
3398 def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
3399 (CMNzri GPR:$src, so_imm_neg:$imm)>;
3401 // Pseudo i64 compares for some floating point compares.
3402 let usesCustomInserter = 1, isBranch = 1, isTerminator = 1,
3404 def BCCi64 : PseudoInst<(outs),
3405 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, brtarget:$dst),
3407 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, bb:$dst)]>;
3409 def BCCZi64 : PseudoInst<(outs),
3410 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, brtarget:$dst), IIC_Br,
3411 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, 0, 0, bb:$dst)]>;
3412 } // usesCustomInserter
3415 // Conditional moves
3416 // FIXME: should be able to write a pattern for ARMcmov, but can't use
3417 // a two-value operand where a dag node expects two operands. :(
3418 let neverHasSideEffects = 1 in {
3419 def MOVCCr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$false, GPR:$Rm, pred:$p),
3421 [/*(set GPR:$Rd, (ARMcmov GPR:$false, GPR:$Rm, imm:$cc, CCR:$ccr))*/]>,
3422 RegConstraint<"$false = $Rd">;
3423 def MOVCCsi : ARMPseudoInst<(outs GPR:$Rd),
3424 (ins GPR:$false, so_reg_imm:$shift, pred:$p),
3426 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_reg_imm:$shift, imm:$cc, CCR:$ccr))*/]>,
3427 RegConstraint<"$false = $Rd">;
3428 def MOVCCsr : ARMPseudoInst<(outs GPR:$Rd),
3429 (ins GPR:$false, so_reg_reg:$shift, pred:$p),
3431 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_reg_reg:$shift, imm:$cc, CCR:$ccr))*/]>,
3432 RegConstraint<"$false = $Rd">;
3435 let isMoveImm = 1 in
3436 def MOVCCi16 : ARMPseudoInst<(outs GPR:$Rd),
3437 (ins GPR:$false, imm0_65535_expr:$imm, pred:$p),
3440 RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>;
3442 let isMoveImm = 1 in
3443 def MOVCCi : ARMPseudoInst<(outs GPR:$Rd),
3444 (ins GPR:$false, so_imm:$imm, pred:$p),
3446 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm:$imm, imm:$cc, CCR:$ccr))*/]>,
3447 RegConstraint<"$false = $Rd">;
3449 // Two instruction predicate mov immediate.
3450 let isMoveImm = 1 in
3451 def MOVCCi32imm : ARMPseudoInst<(outs GPR:$Rd),
3452 (ins GPR:$false, i32imm:$src, pred:$p),
3453 8, IIC_iCMOVix2, []>, RegConstraint<"$false = $Rd">;
3455 let isMoveImm = 1 in
3456 def MVNCCi : ARMPseudoInst<(outs GPR:$Rd),
3457 (ins GPR:$false, so_imm:$imm, pred:$p),
3459 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm_not:$imm, imm:$cc, CCR:$ccr))*/]>,
3460 RegConstraint<"$false = $Rd">;
3461 } // neverHasSideEffects
3463 //===----------------------------------------------------------------------===//
3464 // Atomic operations intrinsics
3467 def MemBarrierOptOperand : AsmOperandClass {
3468 let Name = "MemBarrierOpt";
3469 let ParserMethod = "parseMemBarrierOptOperand";
3471 def memb_opt : Operand<i32> {
3472 let PrintMethod = "printMemBOption";
3473 let ParserMatchClass = MemBarrierOptOperand;
3476 // memory barriers protect the atomic sequences
3477 let hasSideEffects = 1 in {
3478 def DMB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
3479 "dmb", "\t$opt", [(ARMMemBarrier (i32 imm:$opt))]>,
3480 Requires<[IsARM, HasDB]> {
3482 let Inst{31-4} = 0xf57ff05;
3483 let Inst{3-0} = opt;
3487 def DSB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
3488 "dsb", "\t$opt", []>,
3489 Requires<[IsARM, HasDB]> {
3491 let Inst{31-4} = 0xf57ff04;
3492 let Inst{3-0} = opt;
3495 // ISB has only full system option
3496 def ISB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
3497 "isb", "\t$opt", []>,
3498 Requires<[IsARM, HasDB]> {
3500 let Inst{31-4} = 0xf57ff06;
3501 let Inst{3-0} = opt;
3504 let usesCustomInserter = 1 in {
3505 let Uses = [CPSR] in {
3506 def ATOMIC_LOAD_ADD_I8 : PseudoInst<
3507 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3508 [(set GPR:$dst, (atomic_load_add_8 GPR:$ptr, GPR:$incr))]>;
3509 def ATOMIC_LOAD_SUB_I8 : PseudoInst<
3510 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3511 [(set GPR:$dst, (atomic_load_sub_8 GPR:$ptr, GPR:$incr))]>;
3512 def ATOMIC_LOAD_AND_I8 : PseudoInst<
3513 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3514 [(set GPR:$dst, (atomic_load_and_8 GPR:$ptr, GPR:$incr))]>;
3515 def ATOMIC_LOAD_OR_I8 : PseudoInst<
3516 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3517 [(set GPR:$dst, (atomic_load_or_8 GPR:$ptr, GPR:$incr))]>;
3518 def ATOMIC_LOAD_XOR_I8 : PseudoInst<
3519 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3520 [(set GPR:$dst, (atomic_load_xor_8 GPR:$ptr, GPR:$incr))]>;
3521 def ATOMIC_LOAD_NAND_I8 : PseudoInst<
3522 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3523 [(set GPR:$dst, (atomic_load_nand_8 GPR:$ptr, GPR:$incr))]>;
3524 def ATOMIC_LOAD_MIN_I8 : PseudoInst<
3525 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3526 [(set GPR:$dst, (atomic_load_min_8 GPR:$ptr, GPR:$val))]>;
3527 def ATOMIC_LOAD_MAX_I8 : PseudoInst<
3528 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3529 [(set GPR:$dst, (atomic_load_max_8 GPR:$ptr, GPR:$val))]>;
3530 def ATOMIC_LOAD_UMIN_I8 : PseudoInst<
3531 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3532 [(set GPR:$dst, (atomic_load_min_8 GPR:$ptr, GPR:$val))]>;
3533 def ATOMIC_LOAD_UMAX_I8 : PseudoInst<
3534 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3535 [(set GPR:$dst, (atomic_load_max_8 GPR:$ptr, GPR:$val))]>;
3536 def ATOMIC_LOAD_ADD_I16 : PseudoInst<
3537 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3538 [(set GPR:$dst, (atomic_load_add_16 GPR:$ptr, GPR:$incr))]>;
3539 def ATOMIC_LOAD_SUB_I16 : PseudoInst<
3540 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3541 [(set GPR:$dst, (atomic_load_sub_16 GPR:$ptr, GPR:$incr))]>;
3542 def ATOMIC_LOAD_AND_I16 : PseudoInst<
3543 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3544 [(set GPR:$dst, (atomic_load_and_16 GPR:$ptr, GPR:$incr))]>;
3545 def ATOMIC_LOAD_OR_I16 : PseudoInst<
3546 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3547 [(set GPR:$dst, (atomic_load_or_16 GPR:$ptr, GPR:$incr))]>;
3548 def ATOMIC_LOAD_XOR_I16 : PseudoInst<
3549 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3550 [(set GPR:$dst, (atomic_load_xor_16 GPR:$ptr, GPR:$incr))]>;
3551 def ATOMIC_LOAD_NAND_I16 : PseudoInst<
3552 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3553 [(set GPR:$dst, (atomic_load_nand_16 GPR:$ptr, GPR:$incr))]>;
3554 def ATOMIC_LOAD_MIN_I16 : PseudoInst<
3555 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3556 [(set GPR:$dst, (atomic_load_min_16 GPR:$ptr, GPR:$val))]>;
3557 def ATOMIC_LOAD_MAX_I16 : PseudoInst<
3558 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3559 [(set GPR:$dst, (atomic_load_max_16 GPR:$ptr, GPR:$val))]>;
3560 def ATOMIC_LOAD_UMIN_I16 : PseudoInst<
3561 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3562 [(set GPR:$dst, (atomic_load_min_16 GPR:$ptr, GPR:$val))]>;
3563 def ATOMIC_LOAD_UMAX_I16 : PseudoInst<
3564 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3565 [(set GPR:$dst, (atomic_load_max_16 GPR:$ptr, GPR:$val))]>;
3566 def ATOMIC_LOAD_ADD_I32 : PseudoInst<
3567 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3568 [(set GPR:$dst, (atomic_load_add_32 GPR:$ptr, GPR:$incr))]>;
3569 def ATOMIC_LOAD_SUB_I32 : PseudoInst<
3570 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3571 [(set GPR:$dst, (atomic_load_sub_32 GPR:$ptr, GPR:$incr))]>;
3572 def ATOMIC_LOAD_AND_I32 : PseudoInst<
3573 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3574 [(set GPR:$dst, (atomic_load_and_32 GPR:$ptr, GPR:$incr))]>;
3575 def ATOMIC_LOAD_OR_I32 : PseudoInst<
3576 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3577 [(set GPR:$dst, (atomic_load_or_32 GPR:$ptr, GPR:$incr))]>;
3578 def ATOMIC_LOAD_XOR_I32 : PseudoInst<
3579 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3580 [(set GPR:$dst, (atomic_load_xor_32 GPR:$ptr, GPR:$incr))]>;
3581 def ATOMIC_LOAD_NAND_I32 : PseudoInst<
3582 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3583 [(set GPR:$dst, (atomic_load_nand_32 GPR:$ptr, GPR:$incr))]>;
3584 def ATOMIC_LOAD_MIN_I32 : PseudoInst<
3585 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3586 [(set GPR:$dst, (atomic_load_min_32 GPR:$ptr, GPR:$val))]>;
3587 def ATOMIC_LOAD_MAX_I32 : PseudoInst<
3588 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3589 [(set GPR:$dst, (atomic_load_max_32 GPR:$ptr, GPR:$val))]>;
3590 def ATOMIC_LOAD_UMIN_I32 : PseudoInst<
3591 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3592 [(set GPR:$dst, (atomic_load_min_32 GPR:$ptr, GPR:$val))]>;
3593 def ATOMIC_LOAD_UMAX_I32 : PseudoInst<
3594 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3595 [(set GPR:$dst, (atomic_load_max_32 GPR:$ptr, GPR:$val))]>;
3597 def ATOMIC_SWAP_I8 : PseudoInst<
3598 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
3599 [(set GPR:$dst, (atomic_swap_8 GPR:$ptr, GPR:$new))]>;
3600 def ATOMIC_SWAP_I16 : PseudoInst<
3601 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
3602 [(set GPR:$dst, (atomic_swap_16 GPR:$ptr, GPR:$new))]>;
3603 def ATOMIC_SWAP_I32 : PseudoInst<
3604 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
3605 [(set GPR:$dst, (atomic_swap_32 GPR:$ptr, GPR:$new))]>;
3607 def ATOMIC_CMP_SWAP_I8 : PseudoInst<
3608 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
3609 [(set GPR:$dst, (atomic_cmp_swap_8 GPR:$ptr, GPR:$old, GPR:$new))]>;
3610 def ATOMIC_CMP_SWAP_I16 : PseudoInst<
3611 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
3612 [(set GPR:$dst, (atomic_cmp_swap_16 GPR:$ptr, GPR:$old, GPR:$new))]>;
3613 def ATOMIC_CMP_SWAP_I32 : PseudoInst<
3614 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
3615 [(set GPR:$dst, (atomic_cmp_swap_32 GPR:$ptr, GPR:$old, GPR:$new))]>;
3619 let mayLoad = 1 in {
3620 def LDREXB : AIldrex<0b10, (outs GPR:$Rt), (ins addrmode7:$addr), NoItinerary,
3621 "ldrexb", "\t$Rt, $addr", []>;
3622 def LDREXH : AIldrex<0b11, (outs GPR:$Rt), (ins addrmode7:$addr), NoItinerary,
3623 "ldrexh", "\t$Rt, $addr", []>;
3624 def LDREX : AIldrex<0b00, (outs GPR:$Rt), (ins addrmode7:$addr), NoItinerary,
3625 "ldrex", "\t$Rt, $addr", []>;
3626 let hasExtraDefRegAllocReq = 1 in
3627 def LDREXD : AIldrex<0b01, (outs GPR:$Rt, GPR:$Rt2), (ins addrmode7:$addr),
3628 NoItinerary, "ldrexd", "\t$Rt, $Rt2, $addr", []>;
3631 let mayStore = 1, Constraints = "@earlyclobber $Rd" in {
3632 def STREXB : AIstrex<0b10, (outs GPR:$Rd), (ins GPR:$Rt, addrmode7:$addr),
3633 NoItinerary, "strexb", "\t$Rd, $Rt, $addr", []>;
3634 def STREXH : AIstrex<0b11, (outs GPR:$Rd), (ins GPR:$Rt, addrmode7:$addr),
3635 NoItinerary, "strexh", "\t$Rd, $Rt, $addr", []>;
3636 def STREX : AIstrex<0b00, (outs GPR:$Rd), (ins GPR:$Rt, addrmode7:$addr),
3637 NoItinerary, "strex", "\t$Rd, $Rt, $addr", []>;
3640 let hasExtraSrcRegAllocReq = 1, Constraints = "@earlyclobber $Rd" in
3641 def STREXD : AIstrex<0b01, (outs GPR:$Rd),
3642 (ins GPR:$Rt, GPR:$Rt2, addrmode7:$addr),
3643 NoItinerary, "strexd", "\t$Rd, $Rt, $Rt2, $addr", []>;
3645 // Clear-Exclusive is for disassembly only.
3646 def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex",
3647 [/* For disassembly only; pattern left blank */]>,
3648 Requires<[IsARM, HasV7]> {
3649 let Inst{31-0} = 0b11110101011111111111000000011111;
3652 // SWP/SWPB are deprecated in V6/V7 and for disassembly only.
3653 let mayLoad = 1 in {
3654 def SWP : AIswp<0, (outs GPR:$Rt), (ins GPR:$Rt2, GPR:$Rn), "swp",
3655 [/* For disassembly only; pattern left blank */]>;
3656 def SWPB : AIswp<1, (outs GPR:$Rt), (ins GPR:$Rt2, GPR:$Rn), "swpb",
3657 [/* For disassembly only; pattern left blank */]>;
3660 //===----------------------------------------------------------------------===//
3661 // Coprocessor Instructions.
3664 def CDP : ABI<0b1110, (outs), (ins p_imm:$cop, imm0_15:$opc1,
3665 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, imm0_7:$opc2),
3666 NoItinerary, "cdp", "\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
3667 [(int_arm_cdp imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
3668 imm:$CRm, imm:$opc2)]> {
3676 let Inst{3-0} = CRm;
3678 let Inst{7-5} = opc2;
3679 let Inst{11-8} = cop;
3680 let Inst{15-12} = CRd;
3681 let Inst{19-16} = CRn;
3682 let Inst{23-20} = opc1;
3685 def CDP2 : ABXI<0b1110, (outs), (ins p_imm:$cop, imm0_15:$opc1,
3686 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, imm0_7:$opc2),
3687 NoItinerary, "cdp2\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
3688 [(int_arm_cdp2 imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
3689 imm:$CRm, imm:$opc2)]> {
3690 let Inst{31-28} = 0b1111;
3698 let Inst{3-0} = CRm;
3700 let Inst{7-5} = opc2;
3701 let Inst{11-8} = cop;
3702 let Inst{15-12} = CRd;
3703 let Inst{19-16} = CRn;
3704 let Inst{23-20} = opc1;
3707 class ACI<dag oops, dag iops, string opc, string asm,
3708 IndexMode im = IndexModeNone>
3709 : InoP<oops, iops, AddrModeNone, 4, im, BrFrm, NoItinerary,
3710 opc, asm, "", [/* For disassembly only; pattern left blank */]> {
3711 let Inst{27-25} = 0b110;
3714 multiclass LdStCop<bits<4> op31_28, bit load, dag ops, string opc, string cond>{
3716 def _OFFSET : ACI<(outs),
3717 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
3718 !strconcat(opc, cond), "\tp$cop, cr$CRd, $addr"> {
3719 let Inst{31-28} = op31_28;
3720 let Inst{24} = 1; // P = 1
3721 let Inst{21} = 0; // W = 0
3722 let Inst{22} = 0; // D = 0
3723 let Inst{20} = load;
3726 def _PRE : ACI<(outs),
3727 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
3728 !strconcat(opc, cond), "\tp$cop, cr$CRd, $addr!", IndexModePre> {
3729 let Inst{31-28} = op31_28;
3730 let Inst{24} = 1; // P = 1
3731 let Inst{21} = 1; // W = 1
3732 let Inst{22} = 0; // D = 0
3733 let Inst{20} = load;
3736 def _POST : ACI<(outs),
3737 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
3738 !strconcat(opc, cond), "\tp$cop, cr$CRd, $addr", IndexModePost> {
3739 let Inst{31-28} = op31_28;
3740 let Inst{24} = 0; // P = 0
3741 let Inst{21} = 1; // W = 1
3742 let Inst{22} = 0; // D = 0
3743 let Inst{20} = load;
3746 def _OPTION : ACI<(outs),
3747 !con((ins nohash_imm:$cop,nohash_imm:$CRd,GPR:$base, nohash_imm:$option),
3749 !strconcat(opc, cond), "\tp$cop, cr$CRd, [$base], \\{$option\\}"> {
3750 let Inst{31-28} = op31_28;
3751 let Inst{24} = 0; // P = 0
3752 let Inst{23} = 1; // U = 1
3753 let Inst{21} = 0; // W = 0
3754 let Inst{22} = 0; // D = 0
3755 let Inst{20} = load;
3758 def L_OFFSET : ACI<(outs),
3759 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
3760 !strconcat(!strconcat(opc, "l"), cond), "\tp$cop, cr$CRd, $addr"> {
3761 let Inst{31-28} = op31_28;
3762 let Inst{24} = 1; // P = 1
3763 let Inst{21} = 0; // W = 0
3764 let Inst{22} = 1; // D = 1
3765 let Inst{20} = load;
3768 def L_PRE : ACI<(outs),
3769 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
3770 !strconcat(!strconcat(opc, "l"), cond), "\tp$cop, cr$CRd, $addr!",
3772 let Inst{31-28} = op31_28;
3773 let Inst{24} = 1; // P = 1
3774 let Inst{21} = 1; // W = 1
3775 let Inst{22} = 1; // D = 1
3776 let Inst{20} = load;
3779 def L_POST : ACI<(outs),
3780 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
3781 !strconcat(!strconcat(opc, "l"), cond), "\tp$cop, cr$CRd, $addr",
3783 let Inst{31-28} = op31_28;
3784 let Inst{24} = 0; // P = 0
3785 let Inst{21} = 1; // W = 1
3786 let Inst{22} = 1; // D = 1
3787 let Inst{20} = load;
3790 def L_OPTION : ACI<(outs),
3791 !con((ins nohash_imm:$cop, nohash_imm:$CRd,GPR:$base,nohash_imm:$option),
3793 !strconcat(!strconcat(opc, "l"), cond),
3794 "\tp$cop, cr$CRd, [$base], \\{$option\\}"> {
3795 let Inst{31-28} = op31_28;
3796 let Inst{24} = 0; // P = 0
3797 let Inst{23} = 1; // U = 1
3798 let Inst{21} = 0; // W = 0
3799 let Inst{22} = 1; // D = 1
3800 let Inst{20} = load;
3804 defm LDC : LdStCop<{?,?,?,?}, 1, (ins pred:$p), "ldc", "${p}">;
3805 defm LDC2 : LdStCop<0b1111, 1, (ins), "ldc2", "">;
3806 defm STC : LdStCop<{?,?,?,?}, 0, (ins pred:$p), "stc", "${p}">;
3807 defm STC2 : LdStCop<0b1111, 0, (ins), "stc2", "">;
3809 //===----------------------------------------------------------------------===//
3810 // Move between coprocessor and ARM core register -- for disassembly only
3813 class MovRCopro<string opc, bit direction, dag oops, dag iops,
3815 : ABI<0b1110, oops, iops, NoItinerary, opc,
3816 "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2", pattern> {
3817 let Inst{20} = direction;
3827 let Inst{15-12} = Rt;
3828 let Inst{11-8} = cop;
3829 let Inst{23-21} = opc1;
3830 let Inst{7-5} = opc2;
3831 let Inst{3-0} = CRm;
3832 let Inst{19-16} = CRn;
3835 def MCR : MovRCopro<"mcr", 0 /* from ARM core register to coprocessor */,
3837 (ins p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
3838 c_imm:$CRm, imm0_7:$opc2),
3839 [(int_arm_mcr imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
3840 imm:$CRm, imm:$opc2)]>;
3841 def MRC : MovRCopro<"mrc", 1 /* from coprocessor to ARM core register */,
3843 (ins p_imm:$cop, imm0_7:$opc1, c_imm:$CRn, c_imm:$CRm,
3846 def : ARMPat<(int_arm_mrc imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2),
3847 (MRC imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
3849 class MovRCopro2<string opc, bit direction, dag oops, dag iops,
3851 : ABXI<0b1110, oops, iops, NoItinerary,
3852 !strconcat(opc, "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2"), pattern> {
3853 let Inst{31-28} = 0b1111;
3854 let Inst{20} = direction;
3864 let Inst{15-12} = Rt;
3865 let Inst{11-8} = cop;
3866 let Inst{23-21} = opc1;
3867 let Inst{7-5} = opc2;
3868 let Inst{3-0} = CRm;
3869 let Inst{19-16} = CRn;
3872 def MCR2 : MovRCopro2<"mcr2", 0 /* from ARM core register to coprocessor */,
3874 (ins p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
3875 c_imm:$CRm, imm0_7:$opc2),
3876 [(int_arm_mcr2 imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
3877 imm:$CRm, imm:$opc2)]>;
3878 def MRC2 : MovRCopro2<"mrc2", 1 /* from coprocessor to ARM core register */,
3880 (ins p_imm:$cop, imm0_7:$opc1, c_imm:$CRn, c_imm:$CRm,
3883 def : ARMV5TPat<(int_arm_mrc2 imm:$cop, imm:$opc1, imm:$CRn,
3884 imm:$CRm, imm:$opc2),
3885 (MRC2 imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
3887 class MovRRCopro<string opc, bit direction,
3888 list<dag> pattern = [/* For disassembly only */]>
3889 : ABI<0b1100, (outs), (ins p_imm:$cop, imm0_15:$opc1,
3890 GPR:$Rt, GPR:$Rt2, c_imm:$CRm),
3891 NoItinerary, opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm", pattern> {
3892 let Inst{23-21} = 0b010;
3893 let Inst{20} = direction;
3901 let Inst{15-12} = Rt;
3902 let Inst{19-16} = Rt2;
3903 let Inst{11-8} = cop;
3904 let Inst{7-4} = opc1;
3905 let Inst{3-0} = CRm;
3908 def MCRR : MovRRCopro<"mcrr", 0 /* from ARM core register to coprocessor */,
3909 [(int_arm_mcrr imm:$cop, imm:$opc1, GPR:$Rt, GPR:$Rt2,
3911 def MRRC : MovRRCopro<"mrrc", 1 /* from coprocessor to ARM core register */>;
3913 class MovRRCopro2<string opc, bit direction,
3914 list<dag> pattern = [/* For disassembly only */]>
3915 : ABXI<0b1100, (outs), (ins p_imm:$cop, imm0_15:$opc1,
3916 GPR:$Rt, GPR:$Rt2, c_imm:$CRm), NoItinerary,
3917 !strconcat(opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm"), pattern> {
3918 let Inst{31-28} = 0b1111;
3919 let Inst{23-21} = 0b010;
3920 let Inst{20} = direction;
3928 let Inst{15-12} = Rt;
3929 let Inst{19-16} = Rt2;
3930 let Inst{11-8} = cop;
3931 let Inst{7-4} = opc1;
3932 let Inst{3-0} = CRm;
3935 def MCRR2 : MovRRCopro2<"mcrr2", 0 /* from ARM core register to coprocessor */,
3936 [(int_arm_mcrr2 imm:$cop, imm:$opc1, GPR:$Rt, GPR:$Rt2,
3938 def MRRC2 : MovRRCopro2<"mrrc2", 1 /* from coprocessor to ARM core register */>;
3940 //===----------------------------------------------------------------------===//
3941 // Move between special register and ARM core register
3944 // Move to ARM core register from Special Register
3945 def MRS : ABI<0b0001, (outs GPR:$Rd), (ins), NoItinerary,
3946 "mrs", "\t$Rd, apsr", []> {
3948 let Inst{23-16} = 0b00001111;
3949 let Inst{15-12} = Rd;
3950 let Inst{7-4} = 0b0000;
3953 def : InstAlias<"mrs${p} $Rd, cpsr", (MRS GPR:$Rd, pred:$p)>, Requires<[IsARM]>;
3955 def MRSsys : ABI<0b0001, (outs GPR:$Rd), (ins), NoItinerary,
3956 "mrs", "\t$Rd, spsr", []> {
3958 let Inst{23-16} = 0b01001111;
3959 let Inst{15-12} = Rd;
3960 let Inst{7-4} = 0b0000;
3963 // Move from ARM core register to Special Register
3965 // No need to have both system and application versions, the encodings are the
3966 // same and the assembly parser has no way to distinguish between them. The mask
3967 // operand contains the special register (R Bit) in bit 4 and bits 3-0 contains
3968 // the mask with the fields to be accessed in the special register.
3969 def MSR : ABI<0b0001, (outs), (ins msr_mask:$mask, GPR:$Rn), NoItinerary,
3970 "msr", "\t$mask, $Rn", []> {
3975 let Inst{22} = mask{4}; // R bit
3976 let Inst{21-20} = 0b10;
3977 let Inst{19-16} = mask{3-0};
3978 let Inst{15-12} = 0b1111;
3979 let Inst{11-4} = 0b00000000;
3983 def MSRi : ABI<0b0011, (outs), (ins msr_mask:$mask, so_imm:$a), NoItinerary,
3984 "msr", "\t$mask, $a", []> {
3989 let Inst{22} = mask{4}; // R bit
3990 let Inst{21-20} = 0b10;
3991 let Inst{19-16} = mask{3-0};
3992 let Inst{15-12} = 0b1111;
3996 //===----------------------------------------------------------------------===//
4000 // __aeabi_read_tp preserves the registers r1-r3.
4001 // This is a pseudo inst so that we can get the encoding right,
4002 // complete with fixup for the aeabi_read_tp function.
4004 Defs = [R0, R12, LR, CPSR], Uses = [SP] in {
4005 def TPsoft : PseudoInst<(outs), (ins), IIC_Br,
4006 [(set R0, ARMthread_pointer)]>;
4009 //===----------------------------------------------------------------------===//
4010 // SJLJ Exception handling intrinsics
4011 // eh_sjlj_setjmp() is an instruction sequence to store the return
4012 // address and save #0 in R0 for the non-longjmp case.
4013 // Since by its nature we may be coming from some other function to get
4014 // here, and we're using the stack frame for the containing function to
4015 // save/restore registers, we can't keep anything live in regs across
4016 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
4017 // when we get here from a longjmp(). We force everything out of registers
4018 // except for our own input by listing the relevant registers in Defs. By
4019 // doing so, we also cause the prologue/epilogue code to actively preserve
4020 // all of the callee-saved resgisters, which is exactly what we want.
4021 // A constant value is passed in $val, and we use the location as a scratch.
4023 // These are pseudo-instructions and are lowered to individual MC-insts, so
4024 // no encoding information is necessary.
4026 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR,
4027 QQQQ0, QQQQ1, QQQQ2, QQQQ3 ], hasSideEffects = 1, isBarrier = 1 in {
4028 def Int_eh_sjlj_setjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
4030 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
4031 Requires<[IsARM, HasVFP2]>;
4035 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR ],
4036 hasSideEffects = 1, isBarrier = 1 in {
4037 def Int_eh_sjlj_setjmp_nofp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
4039 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
4040 Requires<[IsARM, NoVFP]>;
4043 // FIXME: Non-Darwin version(s)
4044 let isBarrier = 1, hasSideEffects = 1, isTerminator = 1,
4045 Defs = [ R7, LR, SP ] in {
4046 def Int_eh_sjlj_longjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$scratch),
4048 [(ARMeh_sjlj_longjmp GPR:$src, GPR:$scratch)]>,
4049 Requires<[IsARM, IsDarwin]>;
4052 // eh.sjlj.dispatchsetup pseudo-instruction.
4053 // This pseudo is used for ARM, Thumb1 and Thumb2. Any differences are
4054 // handled when the pseudo is expanded (which happens before any passes
4055 // that need the instruction size).
4056 let isBarrier = 1, hasSideEffects = 1 in
4057 def Int_eh_sjlj_dispatchsetup :
4058 PseudoInst<(outs), (ins GPR:$src), NoItinerary,
4059 [(ARMeh_sjlj_dispatchsetup GPR:$src)]>,
4060 Requires<[IsDarwin]>;
4062 //===----------------------------------------------------------------------===//
4063 // Non-Instruction Patterns
4066 // ARMv4 indirect branch using (MOVr PC, dst)
4067 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in
4068 def MOVPCRX : ARMPseudoExpand<(outs), (ins GPR:$dst),
4069 4, IIC_Br, [(brind GPR:$dst)],
4070 (MOVr PC, GPR:$dst, (ops 14, zero_reg), zero_reg)>,
4071 Requires<[IsARM, NoV4T]>;
4073 // Large immediate handling.
4075 // 32-bit immediate using two piece so_imms or movw + movt.
4076 // This is a single pseudo instruction, the benefit is that it can be remat'd
4077 // as a single unit instead of having to handle reg inputs.
4078 // FIXME: Remove this when we can do generalized remat.
4079 let isReMaterializable = 1, isMoveImm = 1 in
4080 def MOVi32imm : PseudoInst<(outs GPR:$dst), (ins i32imm:$src), IIC_iMOVix2,
4081 [(set GPR:$dst, (arm_i32imm:$src))]>,
4084 // Pseudo instruction that combines movw + movt + add pc (if PIC).
4085 // It also makes it possible to rematerialize the instructions.
4086 // FIXME: Remove this when we can do generalized remat and when machine licm
4087 // can properly the instructions.
4088 let isReMaterializable = 1 in {
4089 def MOV_ga_pcrel : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
4091 [(set GPR:$dst, (ARMWrapperPIC tglobaladdr:$addr))]>,
4092 Requires<[IsARM, UseMovt]>;
4094 def MOV_ga_dyn : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
4096 [(set GPR:$dst, (ARMWrapperDYN tglobaladdr:$addr))]>,
4097 Requires<[IsARM, UseMovt]>;
4099 let AddedComplexity = 10 in
4100 def MOV_ga_pcrel_ldr : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
4102 [(set GPR:$dst, (load (ARMWrapperPIC tglobaladdr:$addr)))]>,
4103 Requires<[IsARM, UseMovt]>;
4104 } // isReMaterializable
4106 // ConstantPool, GlobalAddress, and JumpTable
4107 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>,
4108 Requires<[IsARM, DontUseMovt]>;
4109 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
4110 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
4111 Requires<[IsARM, UseMovt]>;
4112 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
4113 (LEApcrelJT tjumptable:$dst, imm:$id)>;
4115 // TODO: add,sub,and, 3-instr forms?
4118 def : ARMPat<(ARMtcret tcGPR:$dst),
4119 (TCRETURNri tcGPR:$dst)>, Requires<[IsDarwin]>;
4121 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
4122 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
4124 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
4125 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
4127 def : ARMPat<(ARMtcret tcGPR:$dst),
4128 (TCRETURNriND tcGPR:$dst)>, Requires<[IsNotDarwin]>;
4130 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
4131 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
4133 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
4134 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
4137 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>,
4138 Requires<[IsARM, IsNotDarwin]>;
4139 def : ARMPat<(ARMcall texternalsym:$func), (BLr9 texternalsym:$func)>,
4140 Requires<[IsARM, IsDarwin]>;
4142 // zextload i1 -> zextload i8
4143 def : ARMPat<(zextloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
4144 def : ARMPat<(zextloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
4146 // extload -> zextload
4147 def : ARMPat<(extloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
4148 def : ARMPat<(extloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
4149 def : ARMPat<(extloadi8 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
4150 def : ARMPat<(extloadi8 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
4152 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
4154 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
4155 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
4158 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
4159 (sra (shl GPR:$b, (i32 16)), (i32 16))),
4160 (SMULBB GPR:$a, GPR:$b)>;
4161 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
4162 (SMULBB GPR:$a, GPR:$b)>;
4163 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
4164 (sra GPR:$b, (i32 16))),
4165 (SMULBT GPR:$a, GPR:$b)>;
4166 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
4167 (SMULBT GPR:$a, GPR:$b)>;
4168 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
4169 (sra (shl GPR:$b, (i32 16)), (i32 16))),
4170 (SMULTB GPR:$a, GPR:$b)>;
4171 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
4172 (SMULTB GPR:$a, GPR:$b)>;
4173 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
4175 (SMULWB GPR:$a, GPR:$b)>;
4176 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
4177 (SMULWB GPR:$a, GPR:$b)>;
4179 def : ARMV5TEPat<(add GPR:$acc,
4180 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
4181 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
4182 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
4183 def : ARMV5TEPat<(add GPR:$acc,
4184 (mul sext_16_node:$a, sext_16_node:$b)),
4185 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
4186 def : ARMV5TEPat<(add GPR:$acc,
4187 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
4188 (sra GPR:$b, (i32 16)))),
4189 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
4190 def : ARMV5TEPat<(add GPR:$acc,
4191 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
4192 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
4193 def : ARMV5TEPat<(add GPR:$acc,
4194 (mul (sra GPR:$a, (i32 16)),
4195 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
4196 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
4197 def : ARMV5TEPat<(add GPR:$acc,
4198 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
4199 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
4200 def : ARMV5TEPat<(add GPR:$acc,
4201 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
4203 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
4204 def : ARMV5TEPat<(add GPR:$acc,
4205 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
4206 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
4209 // Pre-v7 uses MCR for synchronization barriers.
4210 def : ARMPat<(ARMMemBarrierMCR GPR:$zero), (MCR 15, 0, GPR:$zero, 7, 10, 5)>,
4211 Requires<[IsARM, HasV6]>;
4214 //===----------------------------------------------------------------------===//
4218 include "ARMInstrThumb.td"
4220 //===----------------------------------------------------------------------===//
4224 include "ARMInstrThumb2.td"
4226 //===----------------------------------------------------------------------===//
4227 // Floating Point Support
4230 include "ARMInstrVFP.td"
4232 //===----------------------------------------------------------------------===//
4233 // Advanced SIMD (NEON) Support
4236 include "ARMInstrNEON.td"
4238 //===----------------------------------------------------------------------===//
4239 // Assembler aliases
4243 def : InstAlias<"dmb", (DMB 0xf)>, Requires<[IsARM, HasDB]>;
4244 def : InstAlias<"dsb", (DSB 0xf)>, Requires<[IsARM, HasDB]>;
4245 def : InstAlias<"isb", (ISB 0xf)>, Requires<[IsARM, HasDB]>;
4247 // System instructions
4248 def : MnemonicAlias<"swi", "svc">;
4250 // Load / Store Multiple
4251 def : MnemonicAlias<"ldmfd", "ldm">;
4252 def : MnemonicAlias<"ldmia", "ldm">;
4253 def : MnemonicAlias<"stmfd", "stmdb">;
4254 def : MnemonicAlias<"stmia", "stm">;
4255 def : MnemonicAlias<"stmea", "stm">;
4257 // PKHBT/PKHTB with default shift amount. PKHTB is equivalent to PKHBT when the
4258 // shift amount is zero (i.e., unspecified).
4259 def : InstAlias<"pkhbt${p} $Rd, $Rn, $Rm",
4260 (PKHBT GPR:$Rd, GPR:$Rn, GPR:$Rm, 0, pred:$p)>;
4261 def : InstAlias<"pkhtb${p} $Rd, $Rn, $Rm",
4262 (PKHBT GPR:$Rd, GPR:$Rn, GPR:$Rm, 0, pred:$p)>;
4264 // PUSH/POP aliases for STM/LDM
4265 def : InstAlias<"push${p} $regs",
4266 (STMDB_UPD SP, pred:$p, reglist:$regs)>;
4267 def : InstAlias<"pop${p} $regs",
4268 (LDMIA_UPD SP, pred:$p, reglist:$regs)>;
4270 // RSB two-operand forms (optional explicit destination operand)
4271 def : InstAlias<"rsb${s}${p} $Rdn, $imm",
4272 (RSBri GPR:$Rdn, GPR:$Rdn, so_imm:$imm, pred:$p, cc_out:$s)>,
4274 def : InstAlias<"rsb${s}${p} $Rdn, $Rm",
4275 (RSBrr GPR:$Rdn, GPR:$Rdn, GPR:$Rm, pred:$p, cc_out:$s)>,
4277 def : InstAlias<"rsb${s}${p} $Rdn, $shift",
4278 (RSBrsi GPR:$Rdn, GPR:$Rdn, so_reg_imm:$shift, pred:$p,
4279 cc_out:$s)>, Requires<[IsARM]>;
4280 def : InstAlias<"rsb${s}${p} $Rdn, $shift",
4281 (RSBrsr GPR:$Rdn, GPR:$Rdn, so_reg_reg:$shift, pred:$p,
4282 cc_out:$s)>, Requires<[IsARM]>;
4283 // RSC two-operand forms (optional explicit destination operand)
4284 def : InstAlias<"rsc${s}${p} $Rdn, $imm",
4285 (RSCri GPR:$Rdn, GPR:$Rdn, so_imm:$imm, pred:$p, cc_out:$s)>,
4287 def : InstAlias<"rsc${s}${p} $Rdn, $Rm",
4288 (RSCrr GPR:$Rdn, GPR:$Rdn, GPR:$Rm, pred:$p, cc_out:$s)>,
4290 def : InstAlias<"rsc${s}${p} $Rdn, $shift",
4291 (RSCrsi GPR:$Rdn, GPR:$Rdn, so_reg_imm:$shift, pred:$p,
4292 cc_out:$s)>, Requires<[IsARM]>;
4293 def : InstAlias<"rsc${s}${p} $Rdn, $shift",
4294 (RSCrsr GPR:$Rdn, GPR:$Rdn, so_reg_reg:$shift, pred:$p,
4295 cc_out:$s)>, Requires<[IsARM]>;
4297 // SSAT optional shift operand.
4298 def : InstAlias<"ssat${p} $Rd, $sat_imm, $Rn",
4299 (SSAT GPR:$Rd, imm1_32:$sat_imm, GPR:$Rn, 0, pred:$p)>;