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, [SDTCisPtrTy<0>]>;
63 def SDT_ARMMEMBARRIER : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
65 def SDT_ARMTCRET : SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>;
67 def SDT_ARMBFI : SDTypeProfile<1, 3, [SDTCisVT<0, i32>, SDTCisVT<1, i32>,
68 SDTCisVT<2, i32>, SDTCisVT<3, i32>]>;
71 def ARMWrapper : SDNode<"ARMISD::Wrapper", SDTIntUnaryOp>;
72 def ARMWrapperJT : SDNode<"ARMISD::WrapperJT", SDTIntBinOp>;
74 def ARMcallseq_start : SDNode<"ISD::CALLSEQ_START", SDT_ARMCallSeqStart,
75 [SDNPHasChain, SDNPOutFlag]>;
76 def ARMcallseq_end : SDNode<"ISD::CALLSEQ_END", SDT_ARMCallSeqEnd,
77 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
79 def ARMcall : SDNode<"ARMISD::CALL", SDT_ARMcall,
80 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag,
82 def ARMcall_pred : SDNode<"ARMISD::CALL_PRED", SDT_ARMcall,
83 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag,
85 def ARMcall_nolink : SDNode<"ARMISD::CALL_NOLINK", SDT_ARMcall,
86 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag,
89 def ARMretflag : SDNode<"ARMISD::RET_FLAG", SDTNone,
90 [SDNPHasChain, SDNPOptInFlag]>;
92 def ARMcmov : SDNode<"ARMISD::CMOV", SDT_ARMCMov,
94 def ARMcneg : SDNode<"ARMISD::CNEG", SDT_ARMCMov,
97 def ARMbrcond : SDNode<"ARMISD::BRCOND", SDT_ARMBrcond,
98 [SDNPHasChain, SDNPInFlag, SDNPOutFlag]>;
100 def ARMbrjt : SDNode<"ARMISD::BR_JT", SDT_ARMBrJT,
102 def ARMbr2jt : SDNode<"ARMISD::BR2_JT", SDT_ARMBr2JT,
105 def ARMBcci64 : SDNode<"ARMISD::BCC_i64", SDT_ARMBCC_i64,
108 def ARMcmp : SDNode<"ARMISD::CMP", SDT_ARMCmp,
111 def ARMcmpZ : SDNode<"ARMISD::CMPZ", SDT_ARMCmp,
112 [SDNPOutFlag, SDNPCommutative]>;
114 def ARMpic_add : SDNode<"ARMISD::PIC_ADD", SDT_ARMPICAdd>;
116 def ARMsrl_flag : SDNode<"ARMISD::SRL_FLAG", SDTIntUnaryOp, [SDNPOutFlag]>;
117 def ARMsra_flag : SDNode<"ARMISD::SRA_FLAG", SDTIntUnaryOp, [SDNPOutFlag]>;
118 def ARMrrx : SDNode<"ARMISD::RRX" , SDTIntUnaryOp, [SDNPInFlag ]>;
120 def ARMthread_pointer: SDNode<"ARMISD::THREAD_POINTER", SDT_ARMThreadPointer>;
121 def ARMeh_sjlj_setjmp: SDNode<"ARMISD::EH_SJLJ_SETJMP",
122 SDT_ARMEH_SJLJ_Setjmp, [SDNPHasChain]>;
123 def ARMeh_sjlj_longjmp: SDNode<"ARMISD::EH_SJLJ_LONGJMP",
124 SDT_ARMEH_SJLJ_Longjmp, [SDNPHasChain]>;
125 def ARMeh_sjlj_dispatchsetup: SDNode<"ARMISD::EH_SJLJ_DISPATCHSETUP",
126 SDT_ARMEH_SJLJ_DispatchSetup, [SDNPHasChain]>;
129 def ARMMemBarrier : SDNode<"ARMISD::MEMBARRIER", SDT_ARMMEMBARRIER,
131 def ARMMemBarrierMCR : SDNode<"ARMISD::MEMBARRIER_MCR", SDT_ARMMEMBARRIER,
134 def ARMrbit : SDNode<"ARMISD::RBIT", SDTIntUnaryOp>;
136 def ARMtcret : SDNode<"ARMISD::TC_RETURN", SDT_ARMTCRET,
137 [SDNPHasChain, SDNPOptInFlag, SDNPVariadic]>;
140 def ARMbfi : SDNode<"ARMISD::BFI", SDT_ARMBFI>;
142 //===----------------------------------------------------------------------===//
143 // ARM Instruction Predicate Definitions.
145 def HasV4T : Predicate<"Subtarget->hasV4TOps()">, AssemblerPredicate;
146 def NoV4T : Predicate<"!Subtarget->hasV4TOps()">;
147 def HasV5T : Predicate<"Subtarget->hasV5TOps()">;
148 def HasV5TE : Predicate<"Subtarget->hasV5TEOps()">, AssemblerPredicate;
149 def HasV6 : Predicate<"Subtarget->hasV6Ops()">, AssemblerPredicate;
150 def HasV6T2 : Predicate<"Subtarget->hasV6T2Ops()">, AssemblerPredicate;
151 def NoV6T2 : Predicate<"!Subtarget->hasV6T2Ops()">;
152 def HasV7 : Predicate<"Subtarget->hasV7Ops()">, AssemblerPredicate;
153 def NoVFP : Predicate<"!Subtarget->hasVFP2()">;
154 def HasVFP2 : Predicate<"Subtarget->hasVFP2()">, AssemblerPredicate;
155 def HasVFP3 : Predicate<"Subtarget->hasVFP3()">, AssemblerPredicate;
156 def HasNEON : Predicate<"Subtarget->hasNEON()">, AssemblerPredicate;
157 def HasDivide : Predicate<"Subtarget->hasDivide()">, AssemblerPredicate;
158 def HasT2ExtractPack : Predicate<"Subtarget->hasT2ExtractPack()">,
160 def HasDB : Predicate<"Subtarget->hasDataBarrier()">,
162 def UseNEONForFP : Predicate<"Subtarget->useNEONForSinglePrecisionFP()">;
163 def DontUseNEONForFP : Predicate<"!Subtarget->useNEONForSinglePrecisionFP()">;
164 def IsThumb : Predicate<"Subtarget->isThumb()">, AssemblerPredicate;
165 def IsThumb1Only : Predicate<"Subtarget->isThumb1Only()">;
166 def IsThumb2 : Predicate<"Subtarget->isThumb2()">, AssemblerPredicate;
167 def IsARM : Predicate<"!Subtarget->isThumb()">, AssemblerPredicate;
168 def IsDarwin : Predicate<"Subtarget->isTargetDarwin()">;
169 def IsNotDarwin : Predicate<"!Subtarget->isTargetDarwin()">;
171 // FIXME: Eventually this will be just "hasV6T2Ops".
172 def UseMovt : Predicate<"Subtarget->useMovt()">;
173 def DontUseMovt : Predicate<"!Subtarget->useMovt()">;
174 def UseVMLx : Predicate<"Subtarget->useVMLx()">;
176 //===----------------------------------------------------------------------===//
177 // ARM Flag Definitions.
179 class RegConstraint<string C> {
180 string Constraints = C;
183 //===----------------------------------------------------------------------===//
184 // ARM specific transformation functions and pattern fragments.
187 // so_imm_neg_XFORM - Return a so_imm value packed into the format described for
188 // so_imm_neg def below.
189 def so_imm_neg_XFORM : SDNodeXForm<imm, [{
190 return CurDAG->getTargetConstant(-(int)N->getZExtValue(), MVT::i32);
193 // so_imm_not_XFORM - Return a so_imm value packed into the format described for
194 // so_imm_not def below.
195 def so_imm_not_XFORM : SDNodeXForm<imm, [{
196 return CurDAG->getTargetConstant(~(int)N->getZExtValue(), MVT::i32);
199 /// imm1_15 predicate - True if the 32-bit immediate is in the range [1,15].
200 def imm1_15 : PatLeaf<(i32 imm), [{
201 return (int32_t)N->getZExtValue() >= 1 && (int32_t)N->getZExtValue() < 16;
204 /// imm16_31 predicate - True if the 32-bit immediate is in the range [16,31].
205 def imm16_31 : PatLeaf<(i32 imm), [{
206 return (int32_t)N->getZExtValue() >= 16 && (int32_t)N->getZExtValue() < 32;
211 return ARM_AM::getSOImmVal(-(int)N->getZExtValue()) != -1;
212 }], so_imm_neg_XFORM>;
216 return ARM_AM::getSOImmVal(~(int)N->getZExtValue()) != -1;
217 }], so_imm_not_XFORM>;
219 // sext_16_node predicate - True if the SDNode is sign-extended 16 or more bits.
220 def sext_16_node : PatLeaf<(i32 GPR:$a), [{
221 return CurDAG->ComputeNumSignBits(SDValue(N,0)) >= 17;
224 /// bf_inv_mask_imm predicate - An AND mask to clear an arbitrary width bitfield
226 def bf_inv_mask_imm : Operand<i32>,
228 return ARM::isBitFieldInvertedMask(N->getZExtValue());
230 string EncoderMethod = "getBitfieldInvertedMaskOpValue";
231 let PrintMethod = "printBitfieldInvMaskImmOperand";
234 /// Split a 32-bit immediate into two 16 bit parts.
235 def hi16 : SDNodeXForm<imm, [{
236 return CurDAG->getTargetConstant((uint32_t)N->getZExtValue() >> 16, MVT::i32);
239 def lo16AllZero : PatLeaf<(i32 imm), [{
240 // Returns true if all low 16-bits are 0.
241 return (((uint32_t)N->getZExtValue()) & 0xFFFFUL) == 0;
244 /// imm0_65535 predicate - True if the 32-bit immediate is in the range
246 def imm0_65535 : PatLeaf<(i32 imm), [{
247 return (uint32_t)N->getZExtValue() < 65536;
250 class BinOpFrag<dag res> : PatFrag<(ops node:$LHS, node:$RHS), res>;
251 class UnOpFrag <dag res> : PatFrag<(ops node:$Src), res>;
253 /// adde and sube predicates - True based on whether the carry flag output
254 /// will be needed or not.
255 def adde_dead_carry :
256 PatFrag<(ops node:$LHS, node:$RHS), (adde node:$LHS, node:$RHS),
257 [{return !N->hasAnyUseOfValue(1);}]>;
258 def sube_dead_carry :
259 PatFrag<(ops node:$LHS, node:$RHS), (sube node:$LHS, node:$RHS),
260 [{return !N->hasAnyUseOfValue(1);}]>;
261 def adde_live_carry :
262 PatFrag<(ops node:$LHS, node:$RHS), (adde node:$LHS, node:$RHS),
263 [{return N->hasAnyUseOfValue(1);}]>;
264 def sube_live_carry :
265 PatFrag<(ops node:$LHS, node:$RHS), (sube node:$LHS, node:$RHS),
266 [{return N->hasAnyUseOfValue(1);}]>;
268 //===----------------------------------------------------------------------===//
269 // Operand Definitions.
273 def brtarget : Operand<OtherVT>;
275 // A list of registers separated by comma. Used by load/store multiple.
276 def reglist : Operand<i32> {
277 string EncoderMethod = "getRegisterListOpValue";
278 let PrintMethod = "printRegisterList";
281 // An operand for the CONSTPOOL_ENTRY pseudo-instruction.
282 def cpinst_operand : Operand<i32> {
283 let PrintMethod = "printCPInstOperand";
286 def jtblock_operand : Operand<i32> {
287 let PrintMethod = "printJTBlockOperand";
289 def jt2block_operand : Operand<i32> {
290 let PrintMethod = "printJT2BlockOperand";
294 def pclabel : Operand<i32> {
295 let PrintMethod = "printPCLabel";
298 def neon_vcvt_imm32 : Operand<i32> {
299 string EncoderMethod = "getNEONVcvtImm32OpValue";
302 // rot_imm: An integer that encodes a rotate amount. Must be 8, 16, or 24.
303 def rot_imm : Operand<i32>, PatLeaf<(i32 imm), [{
304 int32_t v = (int32_t)N->getZExtValue();
305 return v == 8 || v == 16 || v == 24; }]> {
306 string EncoderMethod = "getRotImmOpValue";
309 // shift_imm: An integer that encodes a shift amount and the type of shift
310 // (currently either asr or lsl) using the same encoding used for the
311 // immediates in so_reg operands.
312 def shift_imm : Operand<i32> {
313 let PrintMethod = "printShiftImmOperand";
316 // shifter_operand operands: so_reg and so_imm.
317 def so_reg : Operand<i32>, // reg reg imm
318 ComplexPattern<i32, 3, "SelectShifterOperandReg",
319 [shl,srl,sra,rotr]> {
320 string EncoderMethod = "getSORegOpValue";
321 let PrintMethod = "printSORegOperand";
322 let MIOperandInfo = (ops GPR, GPR, i32imm);
324 def shift_so_reg : Operand<i32>, // reg reg imm
325 ComplexPattern<i32, 3, "SelectShiftShifterOperandReg",
326 [shl,srl,sra,rotr]> {
327 string EncoderMethod = "getSORegOpValue";
328 let PrintMethod = "printSORegOperand";
329 let MIOperandInfo = (ops GPR, GPR, i32imm);
332 // so_imm - Match a 32-bit shifter_operand immediate operand, which is an
333 // 8-bit immediate rotated by an arbitrary number of bits. so_imm values are
334 // represented in the imm field in the same 12-bit form that they are encoded
335 // into so_imm instructions: the 8-bit immediate is the least significant bits
336 // [bits 0-7], the 4-bit shift amount is the next 4 bits [bits 8-11].
337 def so_imm : Operand<i32>, PatLeaf<(imm), [{ return Pred_so_imm(N); }]> {
338 string EncoderMethod = "getSOImmOpValue";
339 let PrintMethod = "printSOImmOperand";
342 // Break so_imm's up into two pieces. This handles immediates with up to 16
343 // bits set in them. This uses so_imm2part to match and so_imm2part_[12] to
344 // get the first/second pieces.
345 def so_imm2part : Operand<i32>,
347 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
349 let PrintMethod = "printSOImm2PartOperand";
352 def so_imm2part_1 : SDNodeXForm<imm, [{
353 unsigned V = ARM_AM::getSOImmTwoPartFirst((unsigned)N->getZExtValue());
354 return CurDAG->getTargetConstant(V, MVT::i32);
357 def so_imm2part_2 : SDNodeXForm<imm, [{
358 unsigned V = ARM_AM::getSOImmTwoPartSecond((unsigned)N->getZExtValue());
359 return CurDAG->getTargetConstant(V, MVT::i32);
362 def so_neg_imm2part : Operand<i32>, PatLeaf<(imm), [{
363 return ARM_AM::isSOImmTwoPartVal(-(int)N->getZExtValue());
365 let PrintMethod = "printSOImm2PartOperand";
368 def so_neg_imm2part_1 : SDNodeXForm<imm, [{
369 unsigned V = ARM_AM::getSOImmTwoPartFirst(-(int)N->getZExtValue());
370 return CurDAG->getTargetConstant(V, MVT::i32);
373 def so_neg_imm2part_2 : SDNodeXForm<imm, [{
374 unsigned V = ARM_AM::getSOImmTwoPartSecond(-(int)N->getZExtValue());
375 return CurDAG->getTargetConstant(V, MVT::i32);
378 /// imm0_31 predicate - True if the 32-bit immediate is in the range [0,31].
379 def imm0_31 : Operand<i32>, PatLeaf<(imm), [{
380 return (int32_t)N->getZExtValue() < 32;
383 /// imm0_31_m1 - Matches and prints like imm0_31, but encodes as 'value - 1'.
384 def imm0_31_m1 : Operand<i32>, PatLeaf<(imm), [{
385 return (int32_t)N->getZExtValue() < 32;
387 string EncoderMethod = "getImmMinusOneOpValue";
390 // Define ARM specific addressing modes.
393 // addrmode_imm12 := reg +/- imm12
395 def addrmode_imm12 : Operand<i32>,
396 ComplexPattern<i32, 2, "SelectAddrModeImm12", []> {
397 // 12-bit immediate operand. Note that instructions using this encode
398 // #0 and #-0 differently. We flag #-0 as the magic value INT32_MIN. All other
399 // immediate values are as normal.
401 string EncoderMethod = "getAddrModeImm12OpValue";
402 let PrintMethod = "printAddrModeImm12Operand";
403 let MIOperandInfo = (ops GPR:$base, i32imm:$offsimm);
405 // ldst_so_reg := reg +/- reg shop imm
407 def ldst_so_reg : Operand<i32>,
408 ComplexPattern<i32, 3, "SelectLdStSOReg", []> {
409 // FIXME: Simplify the printer
410 // FIXME: Add EncoderMethod for this addressing mode
411 let PrintMethod = "printAddrMode2Operand";
412 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
415 // addrmode2 := reg +/- imm12
416 // := reg +/- reg shop imm
418 def addrmode2 : Operand<i32>,
419 ComplexPattern<i32, 3, "SelectAddrMode2", []> {
420 let PrintMethod = "printAddrMode2Operand";
421 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
424 def am2offset : Operand<i32>,
425 ComplexPattern<i32, 2, "SelectAddrMode2Offset",
426 [], [SDNPWantRoot]> {
427 let PrintMethod = "printAddrMode2OffsetOperand";
428 let MIOperandInfo = (ops GPR, i32imm);
431 // addrmode3 := reg +/- reg
432 // addrmode3 := reg +/- imm8
434 def addrmode3 : Operand<i32>,
435 ComplexPattern<i32, 3, "SelectAddrMode3", []> {
436 let PrintMethod = "printAddrMode3Operand";
437 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
440 def am3offset : Operand<i32>,
441 ComplexPattern<i32, 2, "SelectAddrMode3Offset",
442 [], [SDNPWantRoot]> {
443 let PrintMethod = "printAddrMode3OffsetOperand";
444 let MIOperandInfo = (ops GPR, i32imm);
447 // addrmode4 := reg, <mode|W>
449 def addrmode4 : Operand<i32>,
450 ComplexPattern<i32, 2, "SelectAddrMode4", []> {
451 let PrintMethod = "printAddrMode4Operand";
452 let MIOperandInfo = (ops GPR:$addr, i32imm);
455 def ARMMemMode5AsmOperand : AsmOperandClass {
456 let Name = "MemMode5";
457 let SuperClasses = [];
460 // addrmode5 := reg +/- imm8*4
462 def addrmode5 : Operand<i32>,
463 ComplexPattern<i32, 2, "SelectAddrMode5", []> {
464 let PrintMethod = "printAddrMode5Operand";
465 let MIOperandInfo = (ops GPR:$base, i32imm);
466 let ParserMatchClass = ARMMemMode5AsmOperand;
469 // addrmode6 := reg with optional writeback
471 def addrmode6 : Operand<i32>,
472 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
473 let PrintMethod = "printAddrMode6Operand";
474 let MIOperandInfo = (ops GPR:$addr, i32imm);
477 def am6offset : Operand<i32> {
478 let PrintMethod = "printAddrMode6OffsetOperand";
479 let MIOperandInfo = (ops GPR);
482 // addrmodepc := pc + reg
484 def addrmodepc : Operand<i32>,
485 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
486 let PrintMethod = "printAddrModePCOperand";
487 let MIOperandInfo = (ops GPR, i32imm);
490 def nohash_imm : Operand<i32> {
491 let PrintMethod = "printNoHashImmediate";
494 //===----------------------------------------------------------------------===//
496 include "ARMInstrFormats.td"
498 //===----------------------------------------------------------------------===//
499 // Multiclass helpers...
502 /// AsI1_bin_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns for a
503 /// binop that produces a value.
504 multiclass AsI1_bin_irs<bits<4> opcod, string opc,
505 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
506 PatFrag opnode, bit Commutable = 0> {
507 // The register-immediate version is re-materializable. This is useful
508 // in particular for taking the address of a local.
509 let isReMaterializable = 1 in {
510 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
511 iii, opc, "\t$Rd, $Rn, $imm",
512 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]> {
517 let Inst{15-12} = Rd;
518 let Inst{19-16} = Rn;
519 let Inst{11-0} = imm;
522 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
523 iir, opc, "\t$Rd, $Rn, $Rm",
524 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
528 let Inst{11-4} = 0b00000000;
530 let isCommutable = Commutable;
532 let Inst{15-12} = Rd;
533 let Inst{19-16} = Rn;
535 def rs : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift), DPSoRegFrm,
536 iis, opc, "\t$Rd, $Rn, $shift",
537 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]> {
542 let Inst{11-0} = shift;
543 let Inst{15-12} = Rd;
544 let Inst{19-16} = Rn;
548 /// AI1_bin_s_irs - Similar to AsI1_bin_irs except it sets the 's' bit so the
549 /// instruction modifies the CPSR register.
550 let Defs = [CPSR] in {
551 multiclass AI1_bin_s_irs<bits<4> opcod, string opc,
552 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
553 PatFrag opnode, bit Commutable = 0> {
554 def ri : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
555 iii, opc, "\t$Rd, $Rn, $imm",
556 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]> {
561 let Inst{15-12} = Rd;
562 let Inst{19-16} = Rn;
563 let Inst{11-0} = imm;
566 def rr : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
567 iir, opc, "\t$Rd, $Rn, $Rm",
568 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
572 let Inst{11-4} = 0b00000000;
574 let isCommutable = Commutable;
576 let Inst{15-12} = Rd;
577 let Inst{19-16} = Rn;
580 def rs : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift), DPSoRegFrm,
581 iis, opc, "\t$Rd, $Rn, $shift",
582 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]> {
587 let Inst{11-0} = shift;
588 let Inst{15-12} = Rd;
589 let Inst{19-16} = Rn;
595 /// AI1_cmp_irs - Defines a set of (op r, {so_imm|r|so_reg}) cmp / test
596 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
597 /// a explicit result, only implicitly set CPSR.
598 let isCompare = 1, Defs = [CPSR] in {
599 multiclass AI1_cmp_irs<bits<4> opcod, string opc,
600 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
601 PatFrag opnode, bit Commutable = 0> {
602 def ri : AI1<opcod, (outs), (ins GPR:$Rn, so_imm:$imm), DPFrm, iii,
604 [(opnode GPR:$Rn, so_imm:$imm)]> {
608 let Inst{15-12} = 0b0000;
609 let Inst{19-16} = Rn;
610 let Inst{11-0} = imm;
614 def rr : AI1<opcod, (outs), (ins GPR:$Rn, GPR:$Rm), DPFrm, iir,
616 [(opnode GPR:$Rn, GPR:$Rm)]> {
619 let Inst{11-4} = 0b00000000;
621 let isCommutable = Commutable;
623 let Inst{15-12} = 0b0000;
624 let Inst{19-16} = Rn;
627 def rs : AI1<opcod, (outs), (ins GPR:$Rn, so_reg:$shift), DPSoRegFrm, iis,
628 opc, "\t$Rn, $shift",
629 [(opnode GPR:$Rn, so_reg:$shift)]> {
633 let Inst{11-0} = shift;
634 let Inst{15-12} = 0b0000;
635 let Inst{19-16} = Rn;
641 /// AI_ext_rrot - A unary operation with two forms: one whose operand is a
642 /// register and one whose operand is a register rotated by 8/16/24.
643 /// FIXME: Remove the 'r' variant. Its rot_imm is zero.
644 multiclass AI_ext_rrot<bits<8> opcod, string opc, PatFrag opnode> {
645 def r : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm),
646 IIC_iEXTr, opc, "\t$Rd, $Rm",
647 [(set GPR:$Rd, (opnode GPR:$Rm))]>,
648 Requires<[IsARM, HasV6]> {
651 let Inst{15-12} = Rd;
653 let Inst{11-10} = 0b00;
654 let Inst{19-16} = 0b1111;
656 def r_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm, rot_imm:$rot),
657 IIC_iEXTr, opc, "\t$Rd, $Rm, ror $rot",
658 [(set GPR:$Rd, (opnode (rotr GPR:$Rm, rot_imm:$rot)))]>,
659 Requires<[IsARM, HasV6]> {
663 let Inst{15-12} = Rd;
664 let Inst{11-10} = rot;
666 let Inst{19-16} = 0b1111;
670 multiclass AI_ext_rrot_np<bits<8> opcod, string opc> {
671 def r : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm),
672 IIC_iEXTr, opc, "\t$Rd, $Rm",
673 [/* For disassembly only; pattern left blank */]>,
674 Requires<[IsARM, HasV6]> {
675 let Inst{11-10} = 0b00;
676 let Inst{19-16} = 0b1111;
678 def r_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm, rot_imm:$rot),
679 IIC_iEXTr, opc, "\t$Rd, $Rm, ror $rot",
680 [/* For disassembly only; pattern left blank */]>,
681 Requires<[IsARM, HasV6]> {
683 let Inst{11-10} = rot;
684 let Inst{19-16} = 0b1111;
688 /// AI_exta_rrot - A binary operation with two forms: one whose operand is a
689 /// register and one whose operand is a register rotated by 8/16/24.
690 multiclass AI_exta_rrot<bits<8> opcod, string opc, PatFrag opnode> {
691 def rr : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
692 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm",
693 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
694 Requires<[IsARM, HasV6]> {
695 let Inst{11-10} = 0b00;
697 def rr_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
699 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm, ror $rot",
700 [(set GPR:$Rd, (opnode GPR:$Rn,
701 (rotr GPR:$Rm, rot_imm:$rot)))]>,
702 Requires<[IsARM, HasV6]> {
705 let Inst{19-16} = Rn;
706 let Inst{11-10} = rot;
710 // For disassembly only.
711 multiclass AI_exta_rrot_np<bits<8> opcod, string opc> {
712 def rr : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
713 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm",
714 [/* For disassembly only; pattern left blank */]>,
715 Requires<[IsARM, HasV6]> {
716 let Inst{11-10} = 0b00;
718 def rr_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
720 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm, ror $rot",
721 [/* For disassembly only; pattern left blank */]>,
722 Requires<[IsARM, HasV6]> {
725 let Inst{19-16} = Rn;
726 let Inst{11-10} = rot;
730 /// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
731 let Uses = [CPSR] in {
732 multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode,
733 bit Commutable = 0> {
734 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
735 DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
736 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>,
742 let Inst{15-12} = Rd;
743 let Inst{19-16} = Rn;
744 let Inst{11-0} = imm;
746 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
747 DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
748 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
753 let Inst{11-4} = 0b00000000;
755 let isCommutable = Commutable;
757 let Inst{15-12} = Rd;
758 let Inst{19-16} = Rn;
760 def rs : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
761 DPSoRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
762 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]>,
768 let Inst{11-0} = shift;
769 let Inst{15-12} = Rd;
770 let Inst{19-16} = Rn;
773 // Carry setting variants
774 let Defs = [CPSR] in {
775 multiclass AI1_adde_sube_s_irs<bits<4> opcod, string opc, PatFrag opnode,
776 bit Commutable = 0> {
777 def Sri : AXI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
778 DPFrm, IIC_iALUi, !strconcat(opc, "\t$Rd, $Rn, $imm"),
779 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>,
784 let Inst{15-12} = Rd;
785 let Inst{19-16} = Rn;
786 let Inst{11-0} = imm;
790 def Srr : AXI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
791 DPFrm, IIC_iALUr, !strconcat(opc, "\t$Rd, $Rn, $Rm"),
792 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
797 let Inst{11-4} = 0b00000000;
798 let isCommutable = Commutable;
800 let Inst{15-12} = Rd;
801 let Inst{19-16} = Rn;
805 def Srs : AXI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
806 DPSoRegFrm, IIC_iALUsr, !strconcat(opc, "\t$Rd, $Rn, $shift"),
807 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]>,
812 let Inst{11-0} = shift;
813 let Inst{15-12} = Rd;
814 let Inst{19-16} = Rn;
822 let canFoldAsLoad = 1, isReMaterializable = 1 in {
823 multiclass AI_ldr1<bit opc22, string opc, InstrItinClass iii,
824 InstrItinClass iir, PatFrag opnode> {
825 // Note: We use the complex addrmode_imm12 rather than just an input
826 // GPR and a constrained immediate so that we can use this to match
827 // frame index references and avoid matching constant pool references.
828 def i12 : AIldst1<0b010, opc22, 1, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
829 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
830 [(set GPR:$Rt, (opnode addrmode_imm12:$addr))]> {
833 let Inst{23} = addr{12}; // U (add = ('U' == 1))
834 let Inst{19-16} = addr{16-13}; // Rn
835 let Inst{15-12} = Rt;
836 let Inst{11-0} = addr{11-0}; // imm12
838 def rs : AIldst1<0b011, opc22, 1, (outs GPR:$Rt), (ins ldst_so_reg:$shift),
839 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
840 [(set GPR:$Rt, (opnode ldst_so_reg:$shift))]> {
843 let Inst{23} = shift{12}; // U (add = ('U' == 1))
844 let Inst{19-16} = shift{16-13}; // Rn
845 let Inst{11-0} = shift{11-0};
850 multiclass AI_str1<bit opc22, string opc, InstrItinClass iii,
851 InstrItinClass iir, PatFrag opnode> {
852 // Note: We use the complex addrmode_imm12 rather than just an input
853 // GPR and a constrained immediate so that we can use this to match
854 // frame index references and avoid matching constant pool references.
855 def i12 : AIldst1<0b010, opc22, 0, (outs),
856 (ins GPR:$Rt, addrmode_imm12:$addr),
857 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
858 [(opnode GPR:$Rt, addrmode_imm12:$addr)]> {
861 let Inst{23} = addr{12}; // U (add = ('U' == 1))
862 let Inst{19-16} = addr{16-13}; // Rn
863 let Inst{15-12} = Rt;
864 let Inst{11-0} = addr{11-0}; // imm12
866 def rs : AIldst1<0b011, opc22, 0, (outs), (ins GPR:$Rt, ldst_so_reg:$shift),
867 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
868 [(opnode GPR:$Rt, ldst_so_reg:$shift)]> {
871 let Inst{23} = shift{12}; // U (add = ('U' == 1))
872 let Inst{19-16} = shift{16-13}; // Rn
873 let Inst{11-0} = shift{11-0};
876 //===----------------------------------------------------------------------===//
878 //===----------------------------------------------------------------------===//
880 //===----------------------------------------------------------------------===//
881 // Miscellaneous Instructions.
884 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
885 /// the function. The first operand is the ID# for this instruction, the second
886 /// is the index into the MachineConstantPool that this is, the third is the
887 /// size in bytes of this constant pool entry.
888 let neverHasSideEffects = 1, isNotDuplicable = 1 in
889 def CONSTPOOL_ENTRY :
890 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
891 i32imm:$size), NoItinerary, "", []>;
893 // FIXME: Marking these as hasSideEffects is necessary to prevent machine DCE
894 // from removing one half of the matched pairs. That breaks PEI, which assumes
895 // these will always be in pairs, and asserts if it finds otherwise. Better way?
896 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
898 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary, "",
899 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
901 def ADJCALLSTACKDOWN :
902 PseudoInst<(outs), (ins i32imm:$amt, pred:$p), NoItinerary, "",
903 [(ARMcallseq_start timm:$amt)]>;
906 def NOP : AI<(outs), (ins), MiscFrm, NoItinerary, "nop", "",
907 [/* For disassembly only; pattern left blank */]>,
908 Requires<[IsARM, HasV6T2]> {
909 let Inst{27-16} = 0b001100100000;
910 let Inst{15-8} = 0b11110000;
911 let Inst{7-0} = 0b00000000;
914 def YIELD : AI<(outs), (ins), MiscFrm, NoItinerary, "yield", "",
915 [/* For disassembly only; pattern left blank */]>,
916 Requires<[IsARM, HasV6T2]> {
917 let Inst{27-16} = 0b001100100000;
918 let Inst{15-8} = 0b11110000;
919 let Inst{7-0} = 0b00000001;
922 def WFE : AI<(outs), (ins), MiscFrm, NoItinerary, "wfe", "",
923 [/* For disassembly only; pattern left blank */]>,
924 Requires<[IsARM, HasV6T2]> {
925 let Inst{27-16} = 0b001100100000;
926 let Inst{15-8} = 0b11110000;
927 let Inst{7-0} = 0b00000010;
930 def WFI : AI<(outs), (ins), MiscFrm, NoItinerary, "wfi", "",
931 [/* For disassembly only; pattern left blank */]>,
932 Requires<[IsARM, HasV6T2]> {
933 let Inst{27-16} = 0b001100100000;
934 let Inst{15-8} = 0b11110000;
935 let Inst{7-0} = 0b00000011;
938 def SEL : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm, NoItinerary, "sel",
940 [/* For disassembly only; pattern left blank */]>,
941 Requires<[IsARM, HasV6]> {
946 let Inst{15-12} = Rd;
947 let Inst{19-16} = Rn;
948 let Inst{27-20} = 0b01101000;
949 let Inst{7-4} = 0b1011;
950 let Inst{11-8} = 0b1111;
953 def SEV : AI<(outs), (ins), MiscFrm, NoItinerary, "sev", "",
954 [/* For disassembly only; pattern left blank */]>,
955 Requires<[IsARM, HasV6T2]> {
956 let Inst{27-16} = 0b001100100000;
957 let Inst{15-8} = 0b11110000;
958 let Inst{7-0} = 0b00000100;
961 // The i32imm operand $val can be used by a debugger to store more information
962 // about the breakpoint.
963 def BKPT : AI<(outs), (ins i32imm:$val), MiscFrm, NoItinerary, "bkpt", "\t$val",
964 [/* For disassembly only; pattern left blank */]>,
967 let Inst{3-0} = val{3-0};
968 let Inst{19-8} = val{15-4};
969 let Inst{27-20} = 0b00010010;
970 let Inst{7-4} = 0b0111;
973 // Change Processor State is a system instruction -- for disassembly only.
974 // The singleton $opt operand contains the following information:
975 // opt{4-0} = mode from Inst{4-0}
976 // opt{5} = changemode from Inst{17}
977 // opt{8-6} = AIF from Inst{8-6}
978 // opt{10-9} = imod from Inst{19-18} with 0b10 as enable and 0b11 as disable
979 // FIXME: Integrated assembler will need these split out.
980 def CPS : AXI<(outs), (ins cps_opt:$opt), MiscFrm, NoItinerary, "cps$opt",
981 [/* For disassembly only; pattern left blank */]>,
983 let Inst{31-28} = 0b1111;
984 let Inst{27-20} = 0b00010000;
989 // Preload signals the memory system of possible future data/instruction access.
990 // These are for disassembly only.
992 // A8.6.117, A8.6.118. Different instructions are generated for #0 and #-0.
993 // The neg_zero operand translates -0 to -1, -1 to -2, ..., etc.
994 multiclass APreLoad<bit data, bit read, string opc> {
996 def i12 : AXI<(outs), (ins addrmode_imm12:$addr), MiscFrm, NoItinerary,
997 !strconcat(opc, "\t$addr"), []> {
1000 let Inst{31-26} = 0b111101;
1001 let Inst{25} = 0; // 0 for immediate form
1002 let Inst{24} = data;
1003 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1004 let Inst{22} = read;
1005 let Inst{21-20} = 0b01;
1006 let Inst{19-16} = addr{16-13}; // Rn
1007 let Inst{15-12} = Rt;
1008 let Inst{11-0} = addr{11-0}; // imm12
1011 def rs : AXI<(outs), (ins ldst_so_reg:$shift), MiscFrm, NoItinerary,
1012 !strconcat(opc, "\t$shift"), []> {
1015 let Inst{31-26} = 0b111101;
1016 let Inst{25} = 1; // 1 for register form
1017 let Inst{24} = data;
1018 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1019 let Inst{22} = read;
1020 let Inst{21-20} = 0b01;
1021 let Inst{19-16} = shift{16-13}; // Rn
1022 let Inst{11-0} = shift{11-0};
1026 defm PLD : APreLoad<1, 1, "pld">;
1027 defm PLDW : APreLoad<1, 0, "pldw">;
1028 defm PLI : APreLoad<0, 1, "pli">;
1030 def SETEND : AXI<(outs),(ins setend_op:$end), MiscFrm, NoItinerary,
1032 [/* For disassembly only; pattern left blank */]>,
1035 let Inst{31-10} = 0b1111000100000001000000;
1040 def DBG : AI<(outs), (ins i32imm:$opt), MiscFrm, NoItinerary, "dbg", "\t$opt",
1041 [/* For disassembly only; pattern left blank */]>,
1042 Requires<[IsARM, HasV7]> {
1044 let Inst{27-4} = 0b001100100000111100001111;
1045 let Inst{3-0} = opt;
1048 // A5.4 Permanently UNDEFINED instructions.
1049 let isBarrier = 1, isTerminator = 1 in
1050 def TRAP : AXI<(outs), (ins), MiscFrm, NoItinerary,
1053 let Inst{27-25} = 0b011;
1054 let Inst{24-20} = 0b11111;
1055 let Inst{7-5} = 0b111;
1059 // Address computation and loads and stores in PIC mode.
1060 // FIXME: These PIC insn patterns are pseudos, but derive from the normal insn
1061 // classes (AXI1, et.al.) and so have encoding information and such,
1062 // which is suboptimal. Once the rest of the code emitter (including
1063 // JIT) is MC-ized we should look at refactoring these into true
1064 // pseudos. As is, the encoding information ends up being ignored,
1065 // as these instructions are lowered to individual MC-insts.
1066 let isNotDuplicable = 1 in {
1067 def PICADD : AXI1<0b0100, (outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
1068 Pseudo, IIC_iALUr, "",
1069 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
1071 let AddedComplexity = 10 in {
1072 def PICLDR : AXI2ldw<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
1073 Pseudo, IIC_iLoad_r, "",
1074 [(set GPR:$dst, (load addrmodepc:$addr))]>;
1076 def PICLDRH : AXI3ldh<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
1077 Pseudo, IIC_iLoad_bh_r, "",
1078 [(set GPR:$dst, (zextloadi16 addrmodepc:$addr))]>;
1080 def PICLDRB : AXI2ldb<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
1081 Pseudo, IIC_iLoad_bh_r, "",
1082 [(set GPR:$dst, (zextloadi8 addrmodepc:$addr))]>;
1084 def PICLDRSH : AXI3ldsh<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
1085 Pseudo, IIC_iLoad_bh_r, "",
1086 [(set GPR:$dst, (sextloadi16 addrmodepc:$addr))]>;
1088 def PICLDRSB : AXI3ldsb<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
1089 Pseudo, IIC_iLoad_bh_r, "",
1090 [(set GPR:$dst, (sextloadi8 addrmodepc:$addr))]>;
1092 let AddedComplexity = 10 in {
1093 def PICSTR : AXI2stw<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1094 Pseudo, IIC_iStore_r, "",
1095 [(store GPR:$src, addrmodepc:$addr)]>;
1097 def PICSTRH : AXI3sth<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1098 Pseudo, IIC_iStore_bh_r, "",
1099 [(truncstorei16 GPR:$src, addrmodepc:$addr)]>;
1101 def PICSTRB : AXI2stb<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1102 Pseudo, IIC_iStore_bh_r, "",
1103 [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
1105 } // isNotDuplicable = 1
1108 // LEApcrel - Load a pc-relative address into a register without offending the
1110 // FIXME: These are marked as pseudos, but they're really not(?). They're just
1111 // the ADR instruction. Is this the right way to handle that? They need
1112 // encoding information regardless.
1113 let neverHasSideEffects = 1 in {
1114 let isReMaterializable = 1 in
1115 def LEApcrel : AXI1<0x0, (outs GPR:$dst), (ins i32imm:$label, pred:$p),
1117 "adr$p\t$dst, #$label", []>;
1119 } // neverHasSideEffects
1120 def LEApcrelJT : AXI1<0x0, (outs GPR:$dst),
1121 (ins i32imm:$label, nohash_imm:$id, pred:$p),
1123 "adr$p\t$dst, #${label}_${id}", []> {
1127 //===----------------------------------------------------------------------===//
1128 // Control Flow Instructions.
1131 let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
1133 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1134 "bx", "\tlr", [(ARMretflag)]>,
1135 Requires<[IsARM, HasV4T]> {
1136 let Inst{27-0} = 0b0001001011111111111100011110;
1140 def MOVPCLR : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1141 "mov", "\tpc, lr", [(ARMretflag)]>,
1142 Requires<[IsARM, NoV4T]> {
1143 let Inst{27-0} = 0b0001101000001111000000001110;
1147 // Indirect branches
1148 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
1150 def BRIND : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
1151 [(brind GPR:$dst)]>,
1152 Requires<[IsARM, HasV4T]> {
1154 let Inst{31-4} = 0b1110000100101111111111110001;
1155 let Inst{3-0} = dst;
1159 def MOVPCRX : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "mov\tpc, $dst",
1160 [(brind GPR:$dst)]>,
1161 Requires<[IsARM, NoV4T]> {
1163 let Inst{31-4} = 0b1110000110100000111100000000;
1164 let Inst{3-0} = dst;
1168 // FIXME: remove when we have a way to marking a MI with these properties.
1169 // FIXME: Should pc be an implicit operand like PICADD, etc?
1170 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
1171 hasExtraDefRegAllocReq = 1, isCodeGenOnly = 1 in
1172 def LDM_RET : AXI4ld<(outs GPR:$wb), (ins addrmode4:$addr, pred:$p,
1173 reglist:$dsts, variable_ops),
1174 IndexModeUpd, LdStMulFrm, IIC_iLoad_mBr,
1175 "ldm${addr:submode}${p}\t$addr!, $dsts",
1176 "$addr.addr = $wb", []>;
1178 // On non-Darwin platforms R9 is callee-saved.
1180 Defs = [R0, R1, R2, R3, R12, LR,
1181 D0, D1, D2, D3, D4, D5, D6, D7,
1182 D16, D17, D18, D19, D20, D21, D22, D23,
1183 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR] in {
1184 def BL : ABXI<0b1011, (outs), (ins i32imm:$func, variable_ops),
1185 IIC_Br, "bl\t$func",
1186 [(ARMcall tglobaladdr:$func)]>,
1187 Requires<[IsARM, IsNotDarwin]> {
1188 let Inst{31-28} = 0b1110;
1189 // FIXME: Encoding info for $func. Needs fixups bits.
1192 def BL_pred : ABI<0b1011, (outs), (ins i32imm:$func, variable_ops),
1193 IIC_Br, "bl", "\t$func",
1194 [(ARMcall_pred tglobaladdr:$func)]>,
1195 Requires<[IsARM, IsNotDarwin]>;
1198 def BLX : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1199 IIC_Br, "blx\t$func",
1200 [(ARMcall GPR:$func)]>,
1201 Requires<[IsARM, HasV5T, IsNotDarwin]> {
1203 let Inst{27-4} = 0b000100101111111111110011;
1204 let Inst{3-0} = func;
1208 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1209 def BX : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1210 IIC_Br, "mov\tlr, pc\n\tbx\t$func",
1211 [(ARMcall_nolink tGPR:$func)]>,
1212 Requires<[IsARM, HasV4T, IsNotDarwin]> {
1214 let Inst{27-4} = 0b000100101111111111110001;
1215 let Inst{3-0} = func;
1219 def BMOVPCRX : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1220 IIC_Br, "mov\tlr, pc\n\tmov\tpc, $func",
1221 [(ARMcall_nolink tGPR:$func)]>,
1222 Requires<[IsARM, NoV4T, IsNotDarwin]> {
1224 let Inst{27-4} = 0b000110100000111100000000;
1225 let Inst{3-0} = func;
1229 // On Darwin R9 is call-clobbered.
1231 Defs = [R0, R1, R2, R3, R9, R12, LR,
1232 D0, D1, D2, D3, D4, D5, D6, D7,
1233 D16, D17, D18, D19, D20, D21, D22, D23,
1234 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR] in {
1235 def BLr9 : ABXI<0b1011, (outs), (ins i32imm:$func, variable_ops),
1236 IIC_Br, "bl\t$func",
1237 [(ARMcall tglobaladdr:$func)]>, Requires<[IsARM, IsDarwin]> {
1238 let Inst{31-28} = 0b1110;
1239 // FIXME: Encoding info for $func. Needs fixups bits.
1242 def BLr9_pred : ABI<0b1011, (outs), (ins i32imm:$func, variable_ops),
1243 IIC_Br, "bl", "\t$func",
1244 [(ARMcall_pred tglobaladdr:$func)]>,
1245 Requires<[IsARM, IsDarwin]>;
1248 def BLXr9 : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1249 IIC_Br, "blx\t$func",
1250 [(ARMcall GPR:$func)]>, Requires<[IsARM, HasV5T, IsDarwin]> {
1252 let Inst{27-4} = 0b000100101111111111110011;
1253 let Inst{3-0} = func;
1257 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1258 def BXr9 : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1259 IIC_Br, "mov\tlr, pc\n\tbx\t$func",
1260 [(ARMcall_nolink tGPR:$func)]>,
1261 Requires<[IsARM, HasV4T, IsDarwin]> {
1263 let Inst{27-4} = 0b000100101111111111110001;
1264 let Inst{3-0} = func;
1268 def BMOVPCRXr9 : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1269 IIC_Br, "mov\tlr, pc\n\tmov\tpc, $func",
1270 [(ARMcall_nolink tGPR:$func)]>,
1271 Requires<[IsARM, NoV4T, IsDarwin]> {
1273 let Inst{27-4} = 0b000110100000111100000000;
1274 let Inst{3-0} = func;
1280 // FIXME: These should probably be xformed into the non-TC versions of the
1281 // instructions as part of MC lowering.
1282 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in {
1284 let Defs = [R0, R1, R2, R3, R9, R12,
1285 D0, D1, D2, D3, D4, D5, D6, D7,
1286 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26,
1287 D27, D28, D29, D30, D31, PC],
1289 def TCRETURNdi : AInoP<(outs), (ins i32imm:$dst, variable_ops),
1291 "@TC_RETURN","\t$dst", []>, Requires<[IsDarwin]>;
1293 def TCRETURNri : AInoP<(outs), (ins tcGPR:$dst, variable_ops),
1295 "@TC_RETURN","\t$dst", []>, Requires<[IsDarwin]>;
1297 def TAILJMPd : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1298 IIC_Br, "b\t$dst @ TAILCALL",
1299 []>, Requires<[IsDarwin]>;
1301 def TAILJMPdt: ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1302 IIC_Br, "b.w\t$dst @ TAILCALL",
1303 []>, Requires<[IsDarwin]>;
1305 def TAILJMPr : AXI<(outs), (ins tcGPR:$dst, variable_ops),
1306 BrMiscFrm, IIC_Br, "bx\t$dst @ TAILCALL",
1307 []>, Requires<[IsDarwin]> {
1309 let Inst{31-4} = 0b1110000100101111111111110001;
1310 let Inst{3-0} = dst;
1314 // Non-Darwin versions (the difference is R9).
1315 let Defs = [R0, R1, R2, R3, R12,
1316 D0, D1, D2, D3, D4, D5, D6, D7,
1317 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26,
1318 D27, D28, D29, D30, D31, PC],
1320 def TCRETURNdiND : AInoP<(outs), (ins i32imm:$dst, variable_ops),
1322 "@TC_RETURN","\t$dst", []>, Requires<[IsNotDarwin]>;
1324 def TCRETURNriND : AInoP<(outs), (ins tcGPR:$dst, variable_ops),
1326 "@TC_RETURN","\t$dst", []>, Requires<[IsNotDarwin]>;
1328 def TAILJMPdND : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1329 IIC_Br, "b\t$dst @ TAILCALL",
1330 []>, Requires<[IsARM, IsNotDarwin]>;
1332 def TAILJMPdNDt : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1333 IIC_Br, "b.w\t$dst @ TAILCALL",
1334 []>, Requires<[IsThumb, IsNotDarwin]>;
1336 def TAILJMPrND : AXI<(outs), (ins tcGPR:$dst, variable_ops),
1337 BrMiscFrm, IIC_Br, "bx\t$dst @ TAILCALL",
1338 []>, Requires<[IsNotDarwin]> {
1340 let Inst{31-4} = 0b1110000100101111111111110001;
1341 let Inst{3-0} = dst;
1346 let isBranch = 1, isTerminator = 1 in {
1347 // B is "predicable" since it can be xformed into a Bcc.
1348 let isBarrier = 1 in {
1349 let isPredicable = 1 in
1350 def B : ABXI<0b1010, (outs), (ins brtarget:$target), IIC_Br,
1351 "b\t$target", [(br bb:$target)]>;
1353 let isNotDuplicable = 1, isIndirectBranch = 1 in {
1354 def BR_JTr : JTI<(outs), (ins GPR:$target, jtblock_operand:$jt, i32imm:$id),
1355 IIC_Br, "mov\tpc, $target$jt",
1356 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]> {
1357 let Inst{11-4} = 0b00000000;
1358 let Inst{15-12} = 0b1111;
1359 let Inst{20} = 0; // S Bit
1360 let Inst{24-21} = 0b1101;
1361 let Inst{27-25} = 0b000;
1363 def BR_JTm : JTI<(outs),
1364 (ins addrmode2:$target, jtblock_operand:$jt, i32imm:$id),
1365 IIC_Br, "ldr\tpc, $target$jt",
1366 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
1368 let Inst{15-12} = 0b1111;
1369 let Inst{20} = 1; // L bit
1370 let Inst{21} = 0; // W bit
1371 let Inst{22} = 0; // B bit
1372 let Inst{24} = 1; // P bit
1373 let Inst{27-25} = 0b011;
1375 def BR_JTadd : JTI<(outs),
1376 (ins GPR:$target, GPR:$idx, jtblock_operand:$jt, i32imm:$id),
1377 IIC_Br, "add\tpc, $target, $idx$jt",
1378 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
1380 let Inst{15-12} = 0b1111;
1381 let Inst{20} = 0; // S bit
1382 let Inst{24-21} = 0b0100;
1383 let Inst{27-25} = 0b000;
1385 } // isNotDuplicable = 1, isIndirectBranch = 1
1388 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
1389 // a two-value operand where a dag node expects two operands. :(
1390 def Bcc : ABI<0b1010, (outs), (ins brtarget:$target),
1391 IIC_Br, "b", "\t$target",
1392 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]>;
1395 // Branch and Exchange Jazelle -- for disassembly only
1396 def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
1397 [/* For disassembly only; pattern left blank */]> {
1398 let Inst{23-20} = 0b0010;
1399 //let Inst{19-8} = 0xfff;
1400 let Inst{7-4} = 0b0010;
1403 // Secure Monitor Call is a system instruction -- for disassembly only
1404 def SMC : ABI<0b0001, (outs), (ins i32imm:$opt), NoItinerary, "smc", "\t$opt",
1405 [/* For disassembly only; pattern left blank */]> {
1407 let Inst{23-4} = 0b01100000000000000111;
1408 let Inst{3-0} = opt;
1411 // Supervisor Call (Software Interrupt) -- for disassembly only
1413 def SVC : ABI<0b1111, (outs), (ins i32imm:$svc), IIC_Br, "svc", "\t$svc",
1414 [/* For disassembly only; pattern left blank */]> {
1416 let Inst{23-0} = svc;
1420 // Store Return State is a system instruction -- for disassembly only
1421 let isCodeGenOnly = 1 in { // FIXME: This should not use submode!
1422 def SRSW : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, i32imm:$mode),
1423 NoItinerary, "srs${addr:submode}\tsp!, $mode",
1424 [/* For disassembly only; pattern left blank */]> {
1425 let Inst{31-28} = 0b1111;
1426 let Inst{22-20} = 0b110; // W = 1
1429 def SRS : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, i32imm:$mode),
1430 NoItinerary, "srs${addr:submode}\tsp, $mode",
1431 [/* For disassembly only; pattern left blank */]> {
1432 let Inst{31-28} = 0b1111;
1433 let Inst{22-20} = 0b100; // W = 0
1436 // Return From Exception is a system instruction -- for disassembly only
1437 def RFEW : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, GPR:$base),
1438 NoItinerary, "rfe${addr:submode}\t$base!",
1439 [/* For disassembly only; pattern left blank */]> {
1440 let Inst{31-28} = 0b1111;
1441 let Inst{22-20} = 0b011; // W = 1
1444 def RFE : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, GPR:$base),
1445 NoItinerary, "rfe${addr:submode}\t$base",
1446 [/* For disassembly only; pattern left blank */]> {
1447 let Inst{31-28} = 0b1111;
1448 let Inst{22-20} = 0b001; // W = 0
1450 } // isCodeGenOnly = 1
1452 //===----------------------------------------------------------------------===//
1453 // Load / store Instructions.
1459 defm LDR : AI_ldr1<0, "ldr", IIC_iLoad_r, IIC_iLoad_si,
1460 UnOpFrag<(load node:$Src)>>;
1461 defm LDRB : AI_ldr1<1, "ldrb", IIC_iLoad_bh_r, IIC_iLoad_bh_si,
1462 UnOpFrag<(zextloadi8 node:$Src)>>;
1463 defm STR : AI_str1<0, "str", IIC_iStore_r, IIC_iStore_si,
1464 BinOpFrag<(store node:$LHS, node:$RHS)>>;
1465 defm STRB : AI_str1<1, "strb", IIC_iStore_bh_r, IIC_iStore_bh_si,
1466 BinOpFrag<(truncstorei8 node:$LHS, node:$RHS)>>;
1468 // Special LDR for loads from non-pc-relative constpools.
1469 let canFoldAsLoad = 1, mayLoad = 1, neverHasSideEffects = 1,
1470 isReMaterializable = 1 in
1471 def LDRcp : AIldst1<0b010, 0, 1, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
1472 AddrMode_i12, LdFrm, IIC_iLoad_r, "ldr", "\t$Rt, $addr", []> {
1475 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1476 let Inst{19-16} = 0b1111;
1477 let Inst{15-12} = Rt;
1478 let Inst{11-0} = addr{11-0}; // imm12
1481 // Loads with zero extension
1482 def LDRH : AI3ldh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
1483 IIC_iLoad_bh_r, "ldrh", "\t$dst, $addr",
1484 [(set GPR:$dst, (zextloadi16 addrmode3:$addr))]>;
1486 // Loads with sign extension
1487 def LDRSH : AI3ldsh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
1488 IIC_iLoad_bh_r, "ldrsh", "\t$dst, $addr",
1489 [(set GPR:$dst, (sextloadi16 addrmode3:$addr))]>;
1491 def LDRSB : AI3ldsb<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
1492 IIC_iLoad_bh_r, "ldrsb", "\t$dst, $addr",
1493 [(set GPR:$dst, (sextloadi8 addrmode3:$addr))]>;
1495 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1 in {
1497 def LDRD : AI3ldd<(outs GPR:$dst1, GPR:$dst2), (ins addrmode3:$addr), LdMiscFrm,
1498 IIC_iLoad_d_r, "ldrd", "\t$dst1, $addr",
1499 []>, Requires<[IsARM, HasV5TE]>;
1502 def LDR_PRE : AI2ldwpr<(outs GPR:$dst, GPR:$base_wb),
1503 (ins addrmode2:$addr), LdFrm, IIC_iLoad_ru,
1504 "ldr", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1506 def LDR_POST : AI2ldwpo<(outs GPR:$dst, GPR:$base_wb),
1507 (ins GPR:$base, am2offset:$offset), LdFrm, IIC_iLoad_ru,
1508 "ldr", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1510 def LDRH_PRE : AI3ldhpr<(outs GPR:$dst, GPR:$base_wb),
1511 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoad_bh_ru,
1512 "ldrh", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1514 def LDRH_POST : AI3ldhpo<(outs GPR:$dst, GPR:$base_wb),
1515 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoad_bh_ru,
1516 "ldrh", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1518 def LDRB_PRE : AI2ldbpr<(outs GPR:$dst, GPR:$base_wb),
1519 (ins addrmode2:$addr), LdFrm, IIC_iLoad_bh_ru,
1520 "ldrb", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1522 def LDRB_POST : AI2ldbpo<(outs GPR:$dst, GPR:$base_wb),
1523 (ins GPR:$base,am2offset:$offset), LdFrm, IIC_iLoad_bh_ru,
1524 "ldrb", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1526 def LDRSH_PRE : AI3ldshpr<(outs GPR:$dst, GPR:$base_wb),
1527 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoad_bh_ru,
1528 "ldrsh", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1530 def LDRSH_POST: AI3ldshpo<(outs GPR:$dst, GPR:$base_wb),
1531 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoad_bh_ru,
1532 "ldrsh", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1534 def LDRSB_PRE : AI3ldsbpr<(outs GPR:$dst, GPR:$base_wb),
1535 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoad_bh_ru,
1536 "ldrsb", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1538 def LDRSB_POST: AI3ldsbpo<(outs GPR:$dst, GPR:$base_wb),
1539 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoad_ru,
1540 "ldrsb", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1542 // For disassembly only
1543 def LDRD_PRE : AI3lddpr<(outs GPR:$dst1, GPR:$dst2, GPR:$base_wb),
1544 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoad_d_ru,
1545 "ldrd", "\t$dst1, $dst2, $addr!", "$addr.base = $base_wb", []>,
1546 Requires<[IsARM, HasV5TE]>;
1548 // For disassembly only
1549 def LDRD_POST : AI3lddpo<(outs GPR:$dst1, GPR:$dst2, GPR:$base_wb),
1550 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoad_d_ru,
1551 "ldrd", "\t$dst1, $dst2, [$base], $offset", "$base = $base_wb", []>,
1552 Requires<[IsARM, HasV5TE]>;
1554 } // mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1
1556 // LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT are for disassembly only.
1558 def LDRT : AI2ldwpo<(outs GPR:$dst, GPR:$base_wb),
1559 (ins GPR:$base, am2offset:$offset), LdFrm, IIC_iLoad_ru,
1560 "ldrt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1561 let Inst{21} = 1; // overwrite
1564 def LDRBT : AI2ldbpo<(outs GPR:$dst, GPR:$base_wb),
1565 (ins GPR:$base,am2offset:$offset), LdFrm, IIC_iLoad_bh_ru,
1566 "ldrbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1567 let Inst{21} = 1; // overwrite
1570 def LDRSBT : AI3ldsbpo<(outs GPR:$dst, GPR:$base_wb),
1571 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoad_bh_ru,
1572 "ldrsbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1573 let Inst{21} = 1; // overwrite
1576 def LDRHT : AI3ldhpo<(outs GPR:$dst, GPR:$base_wb),
1577 (ins GPR:$base, am3offset:$offset), LdMiscFrm, IIC_iLoad_bh_ru,
1578 "ldrht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1579 let Inst{21} = 1; // overwrite
1582 def LDRSHT : AI3ldshpo<(outs GPR:$dst, GPR:$base_wb),
1583 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoad_bh_ru,
1584 "ldrsht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1585 let Inst{21} = 1; // overwrite
1590 // Stores with truncate
1591 def STRH : AI3sth<(outs), (ins GPR:$src, addrmode3:$addr), StMiscFrm,
1592 IIC_iStore_bh_r, "strh", "\t$src, $addr",
1593 [(truncstorei16 GPR:$src, addrmode3:$addr)]>;
1596 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in
1597 def STRD : AI3std<(outs), (ins GPR:$src1, GPR:$src2, addrmode3:$addr),
1598 StMiscFrm, IIC_iStore_d_r,
1599 "strd", "\t$src1, $addr", []>, Requires<[IsARM, HasV5TE]>;
1602 def STR_PRE : AI2stwpr<(outs GPR:$base_wb),
1603 (ins GPR:$src, GPR:$base, am2offset:$offset),
1604 StFrm, IIC_iStore_ru,
1605 "str", "\t$src, [$base, $offset]!", "$base = $base_wb",
1607 (pre_store GPR:$src, GPR:$base, am2offset:$offset))]>;
1609 def STR_POST : AI2stwpo<(outs GPR:$base_wb),
1610 (ins GPR:$src, GPR:$base,am2offset:$offset),
1611 StFrm, IIC_iStore_ru,
1612 "str", "\t$src, [$base], $offset", "$base = $base_wb",
1614 (post_store GPR:$src, GPR:$base, am2offset:$offset))]>;
1616 def STRH_PRE : AI3sthpr<(outs GPR:$base_wb),
1617 (ins GPR:$src, GPR:$base,am3offset:$offset),
1618 StMiscFrm, IIC_iStore_ru,
1619 "strh", "\t$src, [$base, $offset]!", "$base = $base_wb",
1621 (pre_truncsti16 GPR:$src, GPR:$base,am3offset:$offset))]>;
1623 def STRH_POST: AI3sthpo<(outs GPR:$base_wb),
1624 (ins GPR:$src, GPR:$base,am3offset:$offset),
1625 StMiscFrm, IIC_iStore_bh_ru,
1626 "strh", "\t$src, [$base], $offset", "$base = $base_wb",
1627 [(set GPR:$base_wb, (post_truncsti16 GPR:$src,
1628 GPR:$base, am3offset:$offset))]>;
1630 def STRB_PRE : AI2stbpr<(outs GPR:$base_wb),
1631 (ins GPR:$src, GPR:$base,am2offset:$offset),
1632 StFrm, IIC_iStore_bh_ru,
1633 "strb", "\t$src, [$base, $offset]!", "$base = $base_wb",
1634 [(set GPR:$base_wb, (pre_truncsti8 GPR:$src,
1635 GPR:$base, am2offset:$offset))]>;
1637 def STRB_POST: AI2stbpo<(outs GPR:$base_wb),
1638 (ins GPR:$src, GPR:$base,am2offset:$offset),
1639 StFrm, IIC_iStore_bh_ru,
1640 "strb", "\t$src, [$base], $offset", "$base = $base_wb",
1641 [(set GPR:$base_wb, (post_truncsti8 GPR:$src,
1642 GPR:$base, am2offset:$offset))]>;
1644 // For disassembly only
1645 def STRD_PRE : AI3stdpr<(outs GPR:$base_wb),
1646 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1647 StMiscFrm, IIC_iStore_d_ru,
1648 "strd", "\t$src1, $src2, [$base, $offset]!",
1649 "$base = $base_wb", []>;
1651 // For disassembly only
1652 def STRD_POST: AI3stdpo<(outs GPR:$base_wb),
1653 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1654 StMiscFrm, IIC_iStore_d_ru,
1655 "strd", "\t$src1, $src2, [$base], $offset",
1656 "$base = $base_wb", []>;
1658 // STRT, STRBT, and STRHT are for disassembly only.
1660 def STRT : AI2stwpo<(outs GPR:$base_wb),
1661 (ins GPR:$src, GPR:$base,am2offset:$offset),
1662 StFrm, IIC_iStore_ru,
1663 "strt", "\t$src, [$base], $offset", "$base = $base_wb",
1664 [/* For disassembly only; pattern left blank */]> {
1665 let Inst{21} = 1; // overwrite
1668 def STRBT : AI2stbpo<(outs GPR:$base_wb),
1669 (ins GPR:$src, GPR:$base,am2offset:$offset),
1670 StFrm, IIC_iStore_bh_ru,
1671 "strbt", "\t$src, [$base], $offset", "$base = $base_wb",
1672 [/* For disassembly only; pattern left blank */]> {
1673 let Inst{21} = 1; // overwrite
1676 def STRHT: AI3sthpo<(outs GPR:$base_wb),
1677 (ins GPR:$src, GPR:$base,am3offset:$offset),
1678 StMiscFrm, IIC_iStore_bh_ru,
1679 "strht", "\t$src, [$base], $offset", "$base = $base_wb",
1680 [/* For disassembly only; pattern left blank */]> {
1681 let Inst{21} = 1; // overwrite
1684 //===----------------------------------------------------------------------===//
1685 // Load / store multiple Instructions.
1688 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1,
1689 isCodeGenOnly = 1 in {
1690 def LDM : AXI4ld<(outs), (ins addrmode4:$addr, pred:$p,
1691 reglist:$dsts, variable_ops),
1692 IndexModeNone, LdStMulFrm, IIC_iLoad_m,
1693 "ldm${addr:submode}${p}\t$addr, $dsts", "", []>;
1695 def LDM_UPD : AXI4ld<(outs GPR:$wb), (ins addrmode4:$addr, pred:$p,
1696 reglist:$dsts, variable_ops),
1697 IndexModeUpd, LdStMulFrm, IIC_iLoad_mu,
1698 "ldm${addr:submode}${p}\t$addr!, $dsts",
1699 "$addr.addr = $wb", []>;
1700 } // mayLoad, neverHasSideEffects, hasExtraDefRegAllocReq
1702 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1,
1703 isCodeGenOnly = 1 in {
1704 def STM : AXI4st<(outs), (ins addrmode4:$addr, pred:$p,
1705 reglist:$srcs, variable_ops),
1706 IndexModeNone, LdStMulFrm, IIC_iStore_m,
1707 "stm${addr:submode}${p}\t$addr, $srcs", "", []>;
1709 def STM_UPD : AXI4st<(outs GPR:$wb), (ins addrmode4:$addr, pred:$p,
1710 reglist:$srcs, variable_ops),
1711 IndexModeUpd, LdStMulFrm, IIC_iStore_mu,
1712 "stm${addr:submode}${p}\t$addr!, $srcs",
1713 "$addr.addr = $wb", []>;
1714 } // mayStore, neverHasSideEffects, hasExtraSrcRegAllocReq
1716 //===----------------------------------------------------------------------===//
1717 // Move Instructions.
1720 let neverHasSideEffects = 1 in
1721 def MOVr : AsI1<0b1101, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMOVr,
1722 "mov", "\t$Rd, $Rm", []>, UnaryDP {
1726 let Inst{11-4} = 0b00000000;
1729 let Inst{15-12} = Rd;
1732 // A version for the smaller set of tail call registers.
1733 let neverHasSideEffects = 1 in
1734 def MOVr_TC : AsI1<0b1101, (outs tcGPR:$Rd), (ins tcGPR:$Rm), DPFrm,
1735 IIC_iMOVr, "mov", "\t$Rd, $Rm", []>, UnaryDP {
1739 let Inst{11-4} = 0b00000000;
1742 let Inst{15-12} = Rd;
1745 def MOVs : AsI1<0b1101, (outs GPR:$Rd), (ins shift_so_reg:$src),
1746 DPSoRegFrm, IIC_iMOVsr,
1747 "mov", "\t$Rd, $src", [(set GPR:$Rd, shift_so_reg:$src)]>,
1751 let Inst{15-12} = Rd;
1752 let Inst{11-0} = src;
1756 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
1757 def MOVi : AsI1<0b1101, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm, IIC_iMOVi,
1758 "mov", "\t$Rd, $imm", [(set GPR:$Rd, so_imm:$imm)]>, UnaryDP {
1762 let Inst{15-12} = Rd;
1763 let Inst{19-16} = 0b0000;
1764 let Inst{11-0} = imm;
1767 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
1768 def MOVi16 : AI1<0b1000, (outs GPR:$Rd), (ins i32imm:$imm),
1770 "movw", "\t$Rd, $imm",
1771 [(set GPR:$Rd, imm0_65535:$imm)]>,
1772 Requires<[IsARM, HasV6T2]>, UnaryDP {
1775 let Inst{15-12} = Rd;
1776 let Inst{11-0} = imm{11-0};
1777 let Inst{19-16} = imm{15-12};
1782 let Constraints = "$src = $Rd" in
1783 def MOVTi16 : AI1<0b1010, (outs GPR:$Rd), (ins GPR:$src, i32imm:$imm),
1785 "movt", "\t$Rd, $imm",
1787 (or (and GPR:$src, 0xffff),
1788 lo16AllZero:$imm))]>, UnaryDP,
1789 Requires<[IsARM, HasV6T2]> {
1792 let Inst{15-12} = Rd;
1793 let Inst{11-0} = imm{11-0};
1794 let Inst{19-16} = imm{15-12};
1799 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
1800 Requires<[IsARM, HasV6T2]>;
1802 let Uses = [CPSR] in
1803 def RRX: PseudoInst<(outs GPR:$Rd), (ins GPR:$Rm), IIC_iMOVsi, "",
1804 [(set GPR:$Rd, (ARMrrx GPR:$Rm))]>, UnaryDP,
1807 // These aren't really mov instructions, but we have to define them this way
1808 // due to flag operands.
1810 let Defs = [CPSR] in {
1811 def MOVsrl_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi, "",
1812 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP,
1814 def MOVsra_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi, "",
1815 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP,
1819 //===----------------------------------------------------------------------===//
1820 // Extend Instructions.
1825 defm SXTB : AI_ext_rrot<0b01101010,
1826 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
1827 defm SXTH : AI_ext_rrot<0b01101011,
1828 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
1830 defm SXTAB : AI_exta_rrot<0b01101010,
1831 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
1832 defm SXTAH : AI_exta_rrot<0b01101011,
1833 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
1835 // For disassembly only
1836 defm SXTB16 : AI_ext_rrot_np<0b01101000, "sxtb16">;
1838 // For disassembly only
1839 defm SXTAB16 : AI_exta_rrot_np<0b01101000, "sxtab16">;
1843 let AddedComplexity = 16 in {
1844 defm UXTB : AI_ext_rrot<0b01101110,
1845 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
1846 defm UXTH : AI_ext_rrot<0b01101111,
1847 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
1848 defm UXTB16 : AI_ext_rrot<0b01101100,
1849 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
1851 // FIXME: This pattern incorrectly assumes the shl operator is a rotate.
1852 // The transformation should probably be done as a combiner action
1853 // instead so we can include a check for masking back in the upper
1854 // eight bits of the source into the lower eight bits of the result.
1855 //def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
1856 // (UXTB16r_rot GPR:$Src, 24)>;
1857 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
1858 (UXTB16r_rot GPR:$Src, 8)>;
1860 defm UXTAB : AI_exta_rrot<0b01101110, "uxtab",
1861 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
1862 defm UXTAH : AI_exta_rrot<0b01101111, "uxtah",
1863 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
1866 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
1867 // For disassembly only
1868 defm UXTAB16 : AI_exta_rrot_np<0b01101100, "uxtab16">;
1871 def SBFX : I<(outs GPR:$Rd),
1872 (ins GPR:$Rn, imm0_31:$lsb, imm0_31_m1:$width),
1873 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
1874 "sbfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
1875 Requires<[IsARM, HasV6T2]> {
1880 let Inst{27-21} = 0b0111101;
1881 let Inst{6-4} = 0b101;
1882 let Inst{20-16} = width;
1883 let Inst{15-12} = Rd;
1884 let Inst{11-7} = lsb;
1888 def UBFX : I<(outs GPR:$Rd),
1889 (ins GPR:$Rn, imm0_31:$lsb, imm0_31_m1:$width),
1890 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
1891 "ubfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
1892 Requires<[IsARM, HasV6T2]> {
1897 let Inst{27-21} = 0b0111111;
1898 let Inst{6-4} = 0b101;
1899 let Inst{20-16} = width;
1900 let Inst{15-12} = Rd;
1901 let Inst{11-7} = lsb;
1905 //===----------------------------------------------------------------------===//
1906 // Arithmetic Instructions.
1909 defm ADD : AsI1_bin_irs<0b0100, "add",
1910 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
1911 BinOpFrag<(add node:$LHS, node:$RHS)>, 1>;
1912 defm SUB : AsI1_bin_irs<0b0010, "sub",
1913 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
1914 BinOpFrag<(sub node:$LHS, node:$RHS)>>;
1916 // ADD and SUB with 's' bit set.
1917 defm ADDS : AI1_bin_s_irs<0b0100, "adds",
1918 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
1919 BinOpFrag<(addc node:$LHS, node:$RHS)>, 1>;
1920 defm SUBS : AI1_bin_s_irs<0b0010, "subs",
1921 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
1922 BinOpFrag<(subc node:$LHS, node:$RHS)>>;
1924 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
1925 BinOpFrag<(adde_dead_carry node:$LHS, node:$RHS)>, 1>;
1926 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
1927 BinOpFrag<(sube_dead_carry node:$LHS, node:$RHS)>>;
1928 defm ADCS : AI1_adde_sube_s_irs<0b0101, "adcs",
1929 BinOpFrag<(adde_live_carry node:$LHS, node:$RHS)>, 1>;
1930 defm SBCS : AI1_adde_sube_s_irs<0b0110, "sbcs",
1931 BinOpFrag<(sube_live_carry node:$LHS, node:$RHS) >>;
1933 def RSBri : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
1934 IIC_iALUi, "rsb", "\t$Rd, $Rn, $imm",
1935 [(set GPR:$Rd, (sub so_imm:$imm, GPR:$Rn))]> {
1940 let Inst{15-12} = Rd;
1941 let Inst{19-16} = Rn;
1942 let Inst{11-0} = imm;
1945 // The reg/reg form is only defined for the disassembler; for codegen it is
1946 // equivalent to SUBrr.
1947 def RSBrr : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
1948 IIC_iALUr, "rsb", "\t$Rd, $Rn, $Rm",
1949 [/* For disassembly only; pattern left blank */]> {
1953 let Inst{11-4} = 0b00000000;
1956 let Inst{15-12} = Rd;
1957 let Inst{19-16} = Rn;
1960 def RSBrs : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
1961 DPSoRegFrm, IIC_iALUsr, "rsb", "\t$Rd, $Rn, $shift",
1962 [(set GPR:$Rd, (sub so_reg:$shift, GPR:$Rn))]> {
1967 let Inst{11-0} = shift;
1968 let Inst{15-12} = Rd;
1969 let Inst{19-16} = Rn;
1972 // RSB with 's' bit set.
1973 let Defs = [CPSR] in {
1974 def RSBSri : AI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
1975 IIC_iALUi, "rsbs", "\t$Rd, $Rn, $imm",
1976 [(set GPR:$Rd, (subc so_imm:$imm, GPR:$Rn))]> {
1982 let Inst{15-12} = Rd;
1983 let Inst{19-16} = Rn;
1984 let Inst{11-0} = imm;
1986 def RSBSrs : AI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
1987 DPSoRegFrm, IIC_iALUsr, "rsbs", "\t$Rd, $Rn, $shift",
1988 [(set GPR:$Rd, (subc so_reg:$shift, GPR:$Rn))]> {
1994 let Inst{11-0} = shift;
1995 let Inst{15-12} = Rd;
1996 let Inst{19-16} = Rn;
2000 let Uses = [CPSR] in {
2001 def RSCri : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2002 DPFrm, IIC_iALUi, "rsc", "\t$Rd, $Rn, $imm",
2003 [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>,
2009 let Inst{15-12} = Rd;
2010 let Inst{19-16} = Rn;
2011 let Inst{11-0} = imm;
2013 // The reg/reg form is only defined for the disassembler; for codegen it is
2014 // equivalent to SUBrr.
2015 def RSCrr : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2016 DPFrm, IIC_iALUr, "rsc", "\t$Rd, $Rn, $Rm",
2017 [/* For disassembly only; pattern left blank */]> {
2021 let Inst{11-4} = 0b00000000;
2024 let Inst{15-12} = Rd;
2025 let Inst{19-16} = Rn;
2027 def RSCrs : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2028 DPSoRegFrm, IIC_iALUsr, "rsc", "\t$Rd, $Rn, $shift",
2029 [(set GPR:$Rd, (sube_dead_carry so_reg:$shift, GPR:$Rn))]>,
2035 let Inst{11-0} = shift;
2036 let Inst{15-12} = Rd;
2037 let Inst{19-16} = Rn;
2041 // FIXME: Allow these to be predicated.
2042 let Defs = [CPSR], Uses = [CPSR] in {
2043 def RSCSri : AXI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2044 DPFrm, IIC_iALUi, "rscs\t$Rd, $Rn, $imm",
2045 [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>,
2052 let Inst{15-12} = Rd;
2053 let Inst{19-16} = Rn;
2054 let Inst{11-0} = imm;
2056 def RSCSrs : AXI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2057 DPSoRegFrm, IIC_iALUsr, "rscs\t$Rd, $Rn, $shift",
2058 [(set GPR:$Rd, (sube_dead_carry so_reg:$shift, GPR:$Rn))]>,
2065 let Inst{11-0} = shift;
2066 let Inst{15-12} = Rd;
2067 let Inst{19-16} = Rn;
2071 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
2072 // The assume-no-carry-in form uses the negation of the input since add/sub
2073 // assume opposite meanings of the carry flag (i.e., carry == !borrow).
2074 // See the definition of AddWithCarry() in the ARM ARM A2.2.1 for the gory
2076 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
2077 (SUBri GPR:$src, so_imm_neg:$imm)>;
2078 def : ARMPat<(addc GPR:$src, so_imm_neg:$imm),
2079 (SUBSri GPR:$src, so_imm_neg:$imm)>;
2080 // The with-carry-in form matches bitwise not instead of the negation.
2081 // Effectively, the inverse interpretation of the carry flag already accounts
2082 // for part of the negation.
2083 def : ARMPat<(adde GPR:$src, so_imm_not:$imm),
2084 (SBCri GPR:$src, so_imm_not:$imm)>;
2086 // Note: These are implemented in C++ code, because they have to generate
2087 // ADD/SUBrs instructions, which use a complex pattern that a xform function
2089 // (mul X, 2^n+1) -> (add (X << n), X)
2090 // (mul X, 2^n-1) -> (rsb X, (X << n))
2092 // ARM Arithmetic Instruction -- for disassembly only
2093 // GPR:$dst = GPR:$a op GPR:$b
2094 class AAI<bits<8> op27_20, bits<8> op11_4, string opc,
2095 list<dag> pattern = [/* For disassembly only; pattern left blank */]>
2096 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm, IIC_iALUr,
2097 opc, "\t$Rd, $Rn, $Rm", pattern> {
2101 let Inst{27-20} = op27_20;
2102 let Inst{11-4} = op11_4;
2103 let Inst{19-16} = Rn;
2104 let Inst{15-12} = Rd;
2108 // Saturating add/subtract -- for disassembly only
2110 def QADD : AAI<0b00010000, 0b00000101, "qadd",
2111 [(set GPR:$Rd, (int_arm_qadd GPR:$Rn, GPR:$Rm))]>;
2112 def QSUB : AAI<0b00010010, 0b00000101, "qsub",
2113 [(set GPR:$Rd, (int_arm_qsub GPR:$Rn, GPR:$Rm))]>;
2114 def QDADD : AAI<0b00010100, 0b00000101, "qdadd">;
2115 def QDSUB : AAI<0b00010110, 0b00000101, "qdsub">;
2117 def QADD16 : AAI<0b01100010, 0b11110001, "qadd16">;
2118 def QADD8 : AAI<0b01100010, 0b11111001, "qadd8">;
2119 def QASX : AAI<0b01100010, 0b11110011, "qasx">;
2120 def QSAX : AAI<0b01100010, 0b11110101, "qsax">;
2121 def QSUB16 : AAI<0b01100010, 0b11110111, "qsub16">;
2122 def QSUB8 : AAI<0b01100010, 0b11111111, "qsub8">;
2123 def UQADD16 : AAI<0b01100110, 0b11110001, "uqadd16">;
2124 def UQADD8 : AAI<0b01100110, 0b11111001, "uqadd8">;
2125 def UQASX : AAI<0b01100110, 0b11110011, "uqasx">;
2126 def UQSAX : AAI<0b01100110, 0b11110101, "uqsax">;
2127 def UQSUB16 : AAI<0b01100110, 0b11110111, "uqsub16">;
2128 def UQSUB8 : AAI<0b01100110, 0b11111111, "uqsub8">;
2130 // Signed/Unsigned add/subtract -- for disassembly only
2132 def SASX : AAI<0b01100001, 0b11110011, "sasx">;
2133 def SADD16 : AAI<0b01100001, 0b11110001, "sadd16">;
2134 def SADD8 : AAI<0b01100001, 0b11111001, "sadd8">;
2135 def SSAX : AAI<0b01100001, 0b11110101, "ssax">;
2136 def SSUB16 : AAI<0b01100001, 0b11110111, "ssub16">;
2137 def SSUB8 : AAI<0b01100001, 0b11111111, "ssub8">;
2138 def UASX : AAI<0b01100101, 0b11110011, "uasx">;
2139 def UADD16 : AAI<0b01100101, 0b11110001, "uadd16">;
2140 def UADD8 : AAI<0b01100101, 0b11111001, "uadd8">;
2141 def USAX : AAI<0b01100101, 0b11110101, "usax">;
2142 def USUB16 : AAI<0b01100101, 0b11110111, "usub16">;
2143 def USUB8 : AAI<0b01100101, 0b11111111, "usub8">;
2145 // Signed/Unsigned halving add/subtract -- for disassembly only
2147 def SHASX : AAI<0b01100011, 0b11110011, "shasx">;
2148 def SHADD16 : AAI<0b01100011, 0b11110001, "shadd16">;
2149 def SHADD8 : AAI<0b01100011, 0b11111001, "shadd8">;
2150 def SHSAX : AAI<0b01100011, 0b11110101, "shsax">;
2151 def SHSUB16 : AAI<0b01100011, 0b11110111, "shsub16">;
2152 def SHSUB8 : AAI<0b01100011, 0b11111111, "shsub8">;
2153 def UHASX : AAI<0b01100111, 0b11110011, "uhasx">;
2154 def UHADD16 : AAI<0b01100111, 0b11110001, "uhadd16">;
2155 def UHADD8 : AAI<0b01100111, 0b11111001, "uhadd8">;
2156 def UHSAX : AAI<0b01100111, 0b11110101, "uhsax">;
2157 def UHSUB16 : AAI<0b01100111, 0b11110111, "uhsub16">;
2158 def UHSUB8 : AAI<0b01100111, 0b11111111, "uhsub8">;
2160 // Unsigned Sum of Absolute Differences [and Accumulate] -- for disassembly only
2162 def USAD8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2163 MulFrm /* for convenience */, NoItinerary, "usad8",
2164 "\t$Rd, $Rn, $Rm", []>,
2165 Requires<[IsARM, HasV6]> {
2169 let Inst{27-20} = 0b01111000;
2170 let Inst{15-12} = 0b1111;
2171 let Inst{7-4} = 0b0001;
2172 let Inst{19-16} = Rd;
2173 let Inst{11-8} = Rm;
2176 def USADA8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2177 MulFrm /* for convenience */, NoItinerary, "usada8",
2178 "\t$Rd, $Rn, $Rm, $Ra", []>,
2179 Requires<[IsARM, HasV6]> {
2184 let Inst{27-20} = 0b01111000;
2185 let Inst{7-4} = 0b0001;
2186 let Inst{19-16} = Rd;
2187 let Inst{15-12} = Ra;
2188 let Inst{11-8} = Rm;
2192 // Signed/Unsigned saturate -- for disassembly only
2194 def SSAT : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a, shift_imm:$sh),
2195 SatFrm, NoItinerary, "ssat", "\t$Rd, $sat_imm, $a$sh",
2196 [/* For disassembly only; pattern left blank */]> {
2201 let Inst{27-21} = 0b0110101;
2202 let Inst{5-4} = 0b01;
2203 let Inst{20-16} = sat_imm;
2204 let Inst{15-12} = Rd;
2205 let Inst{11-7} = sh{7-3};
2206 let Inst{6} = sh{0};
2210 def SSAT16 : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$Rn), SatFrm,
2211 NoItinerary, "ssat16", "\t$Rd, $sat_imm, $Rn",
2212 [/* For disassembly only; pattern left blank */]> {
2216 let Inst{27-20} = 0b01101010;
2217 let Inst{11-4} = 0b11110011;
2218 let Inst{15-12} = Rd;
2219 let Inst{19-16} = sat_imm;
2223 def USAT : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a, shift_imm:$sh),
2224 SatFrm, NoItinerary, "usat", "\t$Rd, $sat_imm, $a$sh",
2225 [/* For disassembly only; pattern left blank */]> {
2230 let Inst{27-21} = 0b0110111;
2231 let Inst{5-4} = 0b01;
2232 let Inst{15-12} = Rd;
2233 let Inst{11-7} = sh{7-3};
2234 let Inst{6} = sh{0};
2235 let Inst{20-16} = sat_imm;
2239 def USAT16 : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a), SatFrm,
2240 NoItinerary, "usat16", "\t$Rd, $sat_imm, $a",
2241 [/* For disassembly only; pattern left blank */]> {
2245 let Inst{27-20} = 0b01101110;
2246 let Inst{11-4} = 0b11110011;
2247 let Inst{15-12} = Rd;
2248 let Inst{19-16} = sat_imm;
2252 def : ARMV6Pat<(int_arm_ssat GPR:$a, imm:$pos), (SSAT imm:$pos, GPR:$a, 0)>;
2253 def : ARMV6Pat<(int_arm_usat GPR:$a, imm:$pos), (USAT imm:$pos, GPR:$a, 0)>;
2255 //===----------------------------------------------------------------------===//
2256 // Bitwise Instructions.
2259 defm AND : AsI1_bin_irs<0b0000, "and",
2260 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2261 BinOpFrag<(and node:$LHS, node:$RHS)>, 1>;
2262 defm ORR : AsI1_bin_irs<0b1100, "orr",
2263 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2264 BinOpFrag<(or node:$LHS, node:$RHS)>, 1>;
2265 defm EOR : AsI1_bin_irs<0b0001, "eor",
2266 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2267 BinOpFrag<(xor node:$LHS, node:$RHS)>, 1>;
2268 defm BIC : AsI1_bin_irs<0b1110, "bic",
2269 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2270 BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
2272 def BFC : I<(outs GPR:$Rd), (ins GPR:$src, bf_inv_mask_imm:$imm),
2273 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2274 "bfc", "\t$Rd, $imm", "$src = $Rd",
2275 [(set GPR:$Rd, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
2276 Requires<[IsARM, HasV6T2]> {
2279 let Inst{27-21} = 0b0111110;
2280 let Inst{6-0} = 0b0011111;
2281 let Inst{15-12} = Rd;
2282 let Inst{11-7} = imm{4-0}; // lsb
2283 let Inst{20-16} = imm{9-5}; // width
2286 // A8.6.18 BFI - Bitfield insert (Encoding A1)
2287 def BFI : I<(outs GPR:$Rd), (ins GPR:$src, GPR:$Rn, bf_inv_mask_imm:$imm),
2288 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2289 "bfi", "\t$Rd, $Rn, $imm", "$src = $Rd",
2290 [(set GPR:$Rd, (ARMbfi GPR:$src, GPR:$Rn,
2291 bf_inv_mask_imm:$imm))]>,
2292 Requires<[IsARM, HasV6T2]> {
2296 let Inst{27-21} = 0b0111110;
2297 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
2298 let Inst{15-12} = Rd;
2299 let Inst{11-7} = imm{4-0}; // lsb
2300 let Inst{20-16} = imm{9-5}; // width
2304 def MVNr : AsI1<0b1111, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMVNr,
2305 "mvn", "\t$Rd, $Rm",
2306 [(set GPR:$Rd, (not GPR:$Rm))]>, UnaryDP {
2310 let Inst{19-16} = 0b0000;
2311 let Inst{11-4} = 0b00000000;
2312 let Inst{15-12} = Rd;
2315 def MVNs : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg:$shift), DPSoRegFrm,
2316 IIC_iMVNsr, "mvn", "\t$Rd, $shift",
2317 [(set GPR:$Rd, (not so_reg:$shift))]>, UnaryDP {
2322 let Inst{19-16} = 0b0000;
2323 let Inst{15-12} = Rd;
2324 let Inst{11-0} = shift;
2326 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
2327 def MVNi : AsI1<0b1111, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm,
2328 IIC_iMVNi, "mvn", "\t$Rd, $imm",
2329 [(set GPR:$Rd, so_imm_not:$imm)]>,UnaryDP {
2334 let Inst{19-16} = 0b0000;
2335 let Inst{15-12} = Rd;
2336 let Inst{11-0} = imm;
2339 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
2340 (BICri GPR:$src, so_imm_not:$imm)>;
2342 //===----------------------------------------------------------------------===//
2343 // Multiply Instructions.
2345 class AsMul1I32<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
2346 string opc, string asm, list<dag> pattern>
2347 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
2351 let Inst{19-16} = Rd;
2352 let Inst{11-8} = Rm;
2355 class AsMul1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
2356 string opc, string asm, list<dag> pattern>
2357 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
2362 let Inst{19-16} = RdHi;
2363 let Inst{15-12} = RdLo;
2364 let Inst{11-8} = Rm;
2368 let isCommutable = 1 in
2369 def MUL : AsMul1I32<0b0000000, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2370 IIC_iMUL32, "mul", "\t$Rd, $Rn, $Rm",
2371 [(set GPR:$Rd, (mul GPR:$Rn, GPR:$Rm))]>;
2373 def MLA : AsMul1I32<0b0000001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2374 IIC_iMAC32, "mla", "\t$Rd, $Rn, $Rm, $Ra",
2375 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))]> {
2377 let Inst{15-12} = Ra;
2380 def MLS : AMul1I<0b0000011, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
2381 IIC_iMAC32, "mls", "\t$dst, $a, $b, $c",
2382 [(set GPR:$dst, (sub GPR:$c, (mul GPR:$a, GPR:$b)))]>,
2383 Requires<[IsARM, HasV6T2]> {
2387 let Inst{19-16} = Rd;
2388 let Inst{11-8} = Rm;
2392 // Extra precision multiplies with low / high results
2394 let neverHasSideEffects = 1 in {
2395 let isCommutable = 1 in {
2396 def SMULL : AsMul1I64<0b0000110, (outs GPR:$RdLo, GPR:$RdHi),
2397 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
2398 "smull", "\t$RdLo, $RdHi, $Rn, $Rm", []>;
2400 def UMULL : AsMul1I64<0b0000100, (outs GPR:$RdLo, GPR:$RdHi),
2401 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
2402 "umull", "\t$RdLo, $RdHi, $Rn, $Rm", []>;
2405 // Multiply + accumulate
2406 def SMLAL : AsMul1I64<0b0000111, (outs GPR:$RdLo, GPR:$RdHi),
2407 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2408 "smlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>;
2410 def UMLAL : AsMul1I64<0b0000101, (outs GPR:$RdLo, GPR:$RdHi),
2411 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2412 "umlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>;
2414 def UMAAL : AMul1I <0b0000010, (outs GPR:$RdLo, GPR:$RdHi),
2415 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2416 "umaal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2417 Requires<[IsARM, HasV6]> {
2422 let Inst{19-16} = RdLo;
2423 let Inst{15-12} = RdHi;
2424 let Inst{11-8} = Rm;
2427 } // neverHasSideEffects
2429 // Most significant word multiply
2430 def SMMUL : AMul2I <0b0111010, 0b0001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2431 IIC_iMUL32, "smmul", "\t$Rd, $Rn, $Rm",
2432 [(set GPR:$Rd, (mulhs GPR:$Rn, GPR:$Rm))]>,
2433 Requires<[IsARM, HasV6]> {
2434 let Inst{15-12} = 0b1111;
2437 def SMMULR : AMul2I <0b0111010, 0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2438 IIC_iMUL32, "smmulr", "\t$Rd, $Rn, $Rm",
2439 [/* For disassembly only; pattern left blank */]>,
2440 Requires<[IsARM, HasV6]> {
2441 let Inst{15-12} = 0b1111;
2444 def SMMLA : AMul2Ia <0b0111010, 0b0001, (outs GPR:$Rd),
2445 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2446 IIC_iMAC32, "smmla", "\t$Rd, $Rn, $Rm, $Ra",
2447 [(set GPR:$Rd, (add (mulhs GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
2448 Requires<[IsARM, HasV6]>;
2450 def SMMLAR : AMul2Ia <0b0111010, 0b0011, (outs GPR:$Rd),
2451 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2452 IIC_iMAC32, "smmlar", "\t$Rd, $Rn, $Rm, $Ra",
2453 [/* For disassembly only; pattern left blank */]>,
2454 Requires<[IsARM, HasV6]>;
2456 def SMMLS : AMul2Ia <0b0111010, 0b1101, (outs GPR:$Rd),
2457 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2458 IIC_iMAC32, "smmls", "\t$Rd, $Rn, $Rm, $Ra",
2459 [(set GPR:$Rd, (sub GPR:$Ra, (mulhs GPR:$Rn, GPR:$Rm)))]>,
2460 Requires<[IsARM, HasV6]>;
2462 def SMMLSR : AMul2Ia <0b0111010, 0b1111, (outs GPR:$Rd),
2463 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2464 IIC_iMAC32, "smmlsr", "\t$Rd, $Rn, $Rm, $Ra",
2465 [/* For disassembly only; pattern left blank */]>,
2466 Requires<[IsARM, HasV6]>;
2468 multiclass AI_smul<string opc, PatFrag opnode> {
2469 def BB : AMulxyI<0b0001011, 0b00, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2470 IIC_iMUL16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm",
2471 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
2472 (sext_inreg GPR:$Rm, i16)))]>,
2473 Requires<[IsARM, HasV5TE]>;
2475 def BT : AMulxyI<0b0001011, 0b10, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2476 IIC_iMUL16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm",
2477 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
2478 (sra GPR:$Rm, (i32 16))))]>,
2479 Requires<[IsARM, HasV5TE]>;
2481 def TB : AMulxyI<0b0001011, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2482 IIC_iMUL16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm",
2483 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
2484 (sext_inreg GPR:$Rm, i16)))]>,
2485 Requires<[IsARM, HasV5TE]>;
2487 def TT : AMulxyI<0b0001011, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2488 IIC_iMUL16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm",
2489 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
2490 (sra GPR:$Rm, (i32 16))))]>,
2491 Requires<[IsARM, HasV5TE]>;
2493 def WB : AMulxyI<0b0001001, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2494 IIC_iMUL16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm",
2495 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
2496 (sext_inreg GPR:$Rm, i16)), (i32 16)))]>,
2497 Requires<[IsARM, HasV5TE]>;
2499 def WT : AMulxyI<0b0001001, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2500 IIC_iMUL16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm",
2501 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
2502 (sra GPR:$Rm, (i32 16))), (i32 16)))]>,
2503 Requires<[IsARM, HasV5TE]>;
2507 multiclass AI_smla<string opc, PatFrag opnode> {
2508 def BB : AMulxyI<0b0001000, 0b00, (outs GPR:$Rd),
2509 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2510 IIC_iMAC16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm, $Ra",
2511 [(set GPR:$Rd, (add GPR:$Ra,
2512 (opnode (sext_inreg GPR:$Rn, i16),
2513 (sext_inreg GPR:$Rm, i16))))]>,
2514 Requires<[IsARM, HasV5TE]>;
2516 def BT : AMulxyI<0b0001000, 0b10, (outs GPR:$Rd),
2517 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2518 IIC_iMAC16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm, $Ra",
2519 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sext_inreg GPR:$Rn, i16),
2520 (sra GPR:$Rm, (i32 16)))))]>,
2521 Requires<[IsARM, HasV5TE]>;
2523 def TB : AMulxyI<0b0001000, 0b01, (outs GPR:$Rd),
2524 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2525 IIC_iMAC16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm, $Ra",
2526 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sra GPR:$Rn, (i32 16)),
2527 (sext_inreg GPR:$Rm, i16))))]>,
2528 Requires<[IsARM, HasV5TE]>;
2530 def TT : AMulxyI<0b0001000, 0b11, (outs GPR:$Rd),
2531 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2532 IIC_iMAC16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm, $Ra",
2533 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sra GPR:$Rn, (i32 16)),
2534 (sra GPR:$Rm, (i32 16)))))]>,
2535 Requires<[IsARM, HasV5TE]>;
2537 def WB : AMulxyI<0b0001001, 0b00, (outs GPR:$Rd),
2538 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2539 IIC_iMAC16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm, $Ra",
2540 [(set GPR:$Rd, (add GPR:$Ra, (sra (opnode GPR:$Rn,
2541 (sext_inreg GPR:$Rm, i16)), (i32 16))))]>,
2542 Requires<[IsARM, HasV5TE]>;
2544 def WT : AMulxyI<0b0001001, 0b10, (outs GPR:$Rd),
2545 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2546 IIC_iMAC16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm, $Ra",
2547 [(set GPR:$Rd, (add GPR:$Ra, (sra (opnode GPR:$Rn,
2548 (sra GPR:$Rm, (i32 16))), (i32 16))))]>,
2549 Requires<[IsARM, HasV5TE]>;
2552 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
2553 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
2555 // Halfword multiply accumulate long: SMLAL<x><y> -- for disassembly only
2556 def SMLALBB : AMulxyI64<0b0001010, 0b00, (outs GPR:$RdLo, GPR:$RdHi),
2557 (ins GPR:$Rn, GPR:$Rm),
2558 IIC_iMAC64, "smlalbb", "\t$RdLo, $RdHi, $Rn, $Rm",
2559 [/* For disassembly only; pattern left blank */]>,
2560 Requires<[IsARM, HasV5TE]>;
2562 def SMLALBT : AMulxyI64<0b0001010, 0b10, (outs GPR:$RdLo, GPR:$RdHi),
2563 (ins GPR:$Rn, GPR:$Rm),
2564 IIC_iMAC64, "smlalbt", "\t$RdLo, $RdHi, $Rn, $Rm",
2565 [/* For disassembly only; pattern left blank */]>,
2566 Requires<[IsARM, HasV5TE]>;
2568 def SMLALTB : AMulxyI64<0b0001010, 0b01, (outs GPR:$RdLo, GPR:$RdHi),
2569 (ins GPR:$Rn, GPR:$Rm),
2570 IIC_iMAC64, "smlaltb", "\t$RdLo, $RdHi, $Rn, $Rm",
2571 [/* For disassembly only; pattern left blank */]>,
2572 Requires<[IsARM, HasV5TE]>;
2574 def SMLALTT : AMulxyI64<0b0001010, 0b11, (outs GPR:$RdLo, GPR:$RdHi),
2575 (ins GPR:$Rn, GPR:$Rm),
2576 IIC_iMAC64, "smlaltt", "\t$RdLo, $RdHi, $Rn, $Rm",
2577 [/* For disassembly only; pattern left blank */]>,
2578 Requires<[IsARM, HasV5TE]>;
2580 // Helper class for AI_smld -- for disassembly only
2581 class AMulDualIbase<bit long, bit sub, bit swap, dag oops, dag iops,
2582 InstrItinClass itin, string opc, string asm>
2583 : AI<oops, iops, MulFrm, itin, opc, asm, []>, Requires<[IsARM, HasV6]> {
2590 let Inst{21-20} = 0b00;
2591 let Inst{22} = long;
2592 let Inst{27-23} = 0b01110;
2593 let Inst{11-8} = Rm;
2596 class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
2597 InstrItinClass itin, string opc, string asm>
2598 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2600 let Inst{15-12} = 0b1111;
2601 let Inst{19-16} = Rd;
2603 class AMulDualIa<bit long, bit sub, bit swap, dag oops, dag iops,
2604 InstrItinClass itin, string opc, string asm>
2605 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2607 let Inst{15-12} = Ra;
2609 class AMulDualI64<bit long, bit sub, bit swap, dag oops, dag iops,
2610 InstrItinClass itin, string opc, string asm>
2611 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2614 let Inst{19-16} = RdHi;
2615 let Inst{15-12} = RdLo;
2618 multiclass AI_smld<bit sub, string opc> {
2620 def D : AMulDualIa<0, sub, 0, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2621 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm, $Ra">;
2623 def DX: AMulDualIa<0, sub, 1, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2624 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm, $Ra">;
2626 def LD: AMulDualI64<1, sub, 0, (outs GPR:$RdLo,GPR:$RdHi),
2627 (ins GPR:$Rn, GPR:$Rm), NoItinerary,
2628 !strconcat(opc, "ld"), "\t$RdLo, $RdHi, $Rn, $Rm">;
2630 def LDX : AMulDualI64<1, sub, 1, (outs GPR:$RdLo,GPR:$RdHi),
2631 (ins GPR:$Rn, GPR:$Rm), NoItinerary,
2632 !strconcat(opc, "ldx"),"\t$RdLo, $RdHi, $Rn, $Rm">;
2636 defm SMLA : AI_smld<0, "smla">;
2637 defm SMLS : AI_smld<1, "smls">;
2639 multiclass AI_sdml<bit sub, string opc> {
2641 def D : AMulDualI<0, sub, 0, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2642 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm">;
2643 def DX : AMulDualI<0, sub, 1, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2644 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm">;
2647 defm SMUA : AI_sdml<0, "smua">;
2648 defm SMUS : AI_sdml<1, "smus">;
2650 //===----------------------------------------------------------------------===//
2651 // Misc. Arithmetic Instructions.
2654 def CLZ : AMiscA1I<0b000010110, 0b0001, (outs GPR:$Rd), (ins GPR:$Rm),
2655 IIC_iUNAr, "clz", "\t$Rd, $Rm",
2656 [(set GPR:$Rd, (ctlz GPR:$Rm))]>, Requires<[IsARM, HasV5T]>;
2658 def RBIT : AMiscA1I<0b01101111, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
2659 IIC_iUNAr, "rbit", "\t$Rd, $Rm",
2660 [(set GPR:$Rd, (ARMrbit GPR:$Rm))]>,
2661 Requires<[IsARM, HasV6T2]>;
2663 def REV : AMiscA1I<0b01101011, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
2664 IIC_iUNAr, "rev", "\t$Rd, $Rm",
2665 [(set GPR:$Rd, (bswap GPR:$Rm))]>, Requires<[IsARM, HasV6]>;
2667 def REV16 : AMiscA1I<0b01101011, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
2668 IIC_iUNAr, "rev16", "\t$Rd, $Rm",
2670 (or (and (srl GPR:$Rm, (i32 8)), 0xFF),
2671 (or (and (shl GPR:$Rm, (i32 8)), 0xFF00),
2672 (or (and (srl GPR:$Rm, (i32 8)), 0xFF0000),
2673 (and (shl GPR:$Rm, (i32 8)), 0xFF000000)))))]>,
2674 Requires<[IsARM, HasV6]>;
2676 def REVSH : AMiscA1I<0b01101111, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
2677 IIC_iUNAr, "revsh", "\t$Rd, $Rm",
2680 (or (srl (and GPR:$Rm, 0xFF00), (i32 8)),
2681 (shl GPR:$Rm, (i32 8))), i16))]>,
2682 Requires<[IsARM, HasV6]>;
2684 def lsl_shift_imm : SDNodeXForm<imm, [{
2685 unsigned Sh = ARM_AM::getSORegOpc(ARM_AM::lsl, N->getZExtValue());
2686 return CurDAG->getTargetConstant(Sh, MVT::i32);
2689 def lsl_amt : PatLeaf<(i32 imm), [{
2690 return (N->getZExtValue() < 32);
2693 def PKHBT : APKHI<0b01101000, 0, (outs GPR:$Rd),
2694 (ins GPR:$Rn, GPR:$Rm, shift_imm:$sh),
2695 IIC_iALUsi, "pkhbt", "\t$Rd, $Rn, $Rm$sh",
2696 [(set GPR:$Rd, (or (and GPR:$Rn, 0xFFFF),
2697 (and (shl GPR:$Rm, lsl_amt:$sh),
2699 Requires<[IsARM, HasV6]>;
2701 // Alternate cases for PKHBT where identities eliminate some nodes.
2702 def : ARMV6Pat<(or (and GPR:$Rn, 0xFFFF), (and GPR:$Rm, 0xFFFF0000)),
2703 (PKHBT GPR:$Rn, GPR:$Rm, 0)>;
2704 def : ARMV6Pat<(or (and GPR:$Rn, 0xFFFF), (shl GPR:$Rm, imm16_31:$sh)),
2705 (PKHBT GPR:$Rn, GPR:$Rm, (lsl_shift_imm imm16_31:$sh))>;
2707 def asr_shift_imm : SDNodeXForm<imm, [{
2708 unsigned Sh = ARM_AM::getSORegOpc(ARM_AM::asr, N->getZExtValue());
2709 return CurDAG->getTargetConstant(Sh, MVT::i32);
2712 def asr_amt : PatLeaf<(i32 imm), [{
2713 return (N->getZExtValue() <= 32);
2716 // Note: Shifts of 1-15 bits will be transformed to srl instead of sra and
2717 // will match the pattern below.
2718 def PKHTB : APKHI<0b01101000, 1, (outs GPR:$Rd),
2719 (ins GPR:$Rn, GPR:$Rm, shift_imm:$sh),
2720 IIC_iBITsi, "pkhtb", "\t$Rd, $Rn, $Rm$sh",
2721 [(set GPR:$Rd, (or (and GPR:$Rn, 0xFFFF0000),
2722 (and (sra GPR:$Rm, asr_amt:$sh),
2724 Requires<[IsARM, HasV6]>;
2726 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
2727 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
2728 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000), (srl GPR:$src2, imm16_31:$sh)),
2729 (PKHTB GPR:$src1, GPR:$src2, (asr_shift_imm imm16_31:$sh))>;
2730 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000),
2731 (and (srl GPR:$src2, imm1_15:$sh), 0xFFFF)),
2732 (PKHTB GPR:$src1, GPR:$src2, (asr_shift_imm imm1_15:$sh))>;
2734 //===----------------------------------------------------------------------===//
2735 // Comparison Instructions...
2738 defm CMP : AI1_cmp_irs<0b1010, "cmp",
2739 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
2740 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
2742 // FIXME: We have to be careful when using the CMN instruction and comparison
2743 // with 0. One would expect these two pieces of code should give identical
2759 // However, the CMN gives the *opposite* result when r1 is 0. This is because
2760 // the carry flag is set in the CMP case but not in the CMN case. In short, the
2761 // CMP instruction doesn't perform a truncate of the (logical) NOT of 0 plus the
2762 // value of r0 and the carry bit (because the "carry bit" parameter to
2763 // AddWithCarry is defined as 1 in this case, the carry flag will always be set
2764 // when r0 >= 0). The CMN instruction doesn't perform a NOT of 0 so there is
2765 // never a "carry" when this AddWithCarry is performed (because the "carry bit"
2766 // parameter to AddWithCarry is defined as 0).
2768 // When x is 0 and unsigned:
2772 // ~x + 1 = 0x1 0000 0000
2773 // (-x = 0) != (0x1 0000 0000 = ~x + 1)
2775 // Therefore, we should disable CMN when comparing against zero, until we can
2776 // limit when the CMN instruction is used (when we know that the RHS is not 0 or
2777 // when it's a comparison which doesn't look at the 'carry' flag).
2779 // (See the ARM docs for the "AddWithCarry" pseudo-code.)
2781 // This is related to <rdar://problem/7569620>.
2783 //defm CMN : AI1_cmp_irs<0b1011, "cmn",
2784 // BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
2786 // Note that TST/TEQ don't set all the same flags that CMP does!
2787 defm TST : AI1_cmp_irs<0b1000, "tst",
2788 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
2789 BinOpFrag<(ARMcmpZ (and node:$LHS, node:$RHS), 0)>, 1>;
2790 defm TEQ : AI1_cmp_irs<0b1001, "teq",
2791 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
2792 BinOpFrag<(ARMcmpZ (xor node:$LHS, node:$RHS), 0)>, 1>;
2794 defm CMPz : AI1_cmp_irs<0b1010, "cmp",
2795 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
2796 BinOpFrag<(ARMcmpZ node:$LHS, node:$RHS)>>;
2797 defm CMNz : AI1_cmp_irs<0b1011, "cmn",
2798 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
2799 BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>>;
2801 //def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
2802 // (CMNri GPR:$src, so_imm_neg:$imm)>;
2804 def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
2805 (CMNzri GPR:$src, so_imm_neg:$imm)>;
2807 // Pseudo i64 compares for some floating point compares.
2808 let usesCustomInserter = 1, isBranch = 1, isTerminator = 1,
2810 def BCCi64 : PseudoInst<(outs),
2811 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, brtarget:$dst),
2813 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, bb:$dst)]>;
2815 def BCCZi64 : PseudoInst<(outs),
2816 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, brtarget:$dst), IIC_Br, "",
2817 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, 0, 0, bb:$dst)]>;
2818 } // usesCustomInserter
2821 // Conditional moves
2822 // FIXME: should be able to write a pattern for ARMcmov, but can't use
2823 // a two-value operand where a dag node expects two operands. :(
2824 // FIXME: These should all be pseudo-instructions that get expanded to
2825 // the normal MOV instructions. That would fix the dependency on
2826 // special casing them in tblgen.
2827 let neverHasSideEffects = 1 in {
2828 def MOVCCr : AI1<0b1101, (outs GPR:$Rd), (ins GPR:$false, GPR:$Rm), DPFrm,
2829 IIC_iCMOVr, "mov", "\t$Rd, $Rm",
2830 [/*(set GPR:$Rd, (ARMcmov GPR:$false, GPR:$Rm, imm:$cc, CCR:$ccr))*/]>,
2831 RegConstraint<"$false = $Rd">, UnaryDP {
2836 let Inst{15-12} = Rd;
2837 let Inst{11-4} = 0b00000000;
2841 def MOVCCs : AI1<0b1101, (outs GPR:$Rd),
2842 (ins GPR:$false, so_reg:$shift), DPSoRegFrm, IIC_iCMOVsr,
2843 "mov", "\t$Rd, $shift",
2844 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_reg:$shift, imm:$cc, CCR:$ccr))*/]>,
2845 RegConstraint<"$false = $Rd">, UnaryDP {
2851 let Inst{19-16} = Rn;
2852 let Inst{15-12} = Rd;
2853 let Inst{11-0} = shift;
2856 def MOVCCi16 : AI1<0b1000, (outs GPR:$Rd), (ins GPR:$false, i32imm:$imm),
2858 "movw", "\t$Rd, $imm",
2860 RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>,
2866 let Inst{19-16} = imm{15-12};
2867 let Inst{15-12} = Rd;
2868 let Inst{11-0} = imm{11-0};
2871 def MOVCCi : AI1<0b1101, (outs GPR:$Rd),
2872 (ins GPR:$false, so_imm:$imm), DPFrm, IIC_iCMOVi,
2873 "mov", "\t$Rd, $imm",
2874 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm:$imm, imm:$cc, CCR:$ccr))*/]>,
2875 RegConstraint<"$false = $Rd">, UnaryDP {
2880 let Inst{19-16} = 0b0000;
2881 let Inst{15-12} = Rd;
2882 let Inst{11-0} = imm;
2884 } // neverHasSideEffects
2886 //===----------------------------------------------------------------------===//
2887 // Atomic operations intrinsics
2890 def memb_opt : Operand<i32> {
2891 let PrintMethod = "printMemBOption";
2894 // memory barriers protect the atomic sequences
2895 let hasSideEffects = 1 in {
2896 def DMB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
2897 "dmb", "\t$opt", [(ARMMemBarrier (i32 imm:$opt))]>,
2898 Requires<[IsARM, HasDB]> {
2900 let Inst{31-4} = 0xf57ff05;
2901 let Inst{3-0} = opt;
2904 def DMB_MCR : AInoP<(outs), (ins GPR:$zero), MiscFrm, NoItinerary,
2905 "mcr", "\tp15, 0, $zero, c7, c10, 5",
2906 [(ARMMemBarrierMCR GPR:$zero)]>,
2907 Requires<[IsARM, HasV6]> {
2908 // FIXME: add encoding
2912 def DSB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
2914 [/* For disassembly only; pattern left blank */]>,
2915 Requires<[IsARM, HasDB]> {
2917 let Inst{31-4} = 0xf57ff04;
2918 let Inst{3-0} = opt;
2921 // ISB has only full system option -- for disassembly only
2922 def ISB : AInoP<(outs), (ins), MiscFrm, NoItinerary, "isb", "", []>,
2923 Requires<[IsARM, HasDB]> {
2924 let Inst{31-4} = 0xf57ff06;
2925 let Inst{3-0} = 0b1111;
2928 let usesCustomInserter = 1 in {
2929 let Uses = [CPSR] in {
2930 def ATOMIC_LOAD_ADD_I8 : PseudoInst<
2931 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2932 [(set GPR:$dst, (atomic_load_add_8 GPR:$ptr, GPR:$incr))]>;
2933 def ATOMIC_LOAD_SUB_I8 : PseudoInst<
2934 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2935 [(set GPR:$dst, (atomic_load_sub_8 GPR:$ptr, GPR:$incr))]>;
2936 def ATOMIC_LOAD_AND_I8 : PseudoInst<
2937 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2938 [(set GPR:$dst, (atomic_load_and_8 GPR:$ptr, GPR:$incr))]>;
2939 def ATOMIC_LOAD_OR_I8 : PseudoInst<
2940 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2941 [(set GPR:$dst, (atomic_load_or_8 GPR:$ptr, GPR:$incr))]>;
2942 def ATOMIC_LOAD_XOR_I8 : PseudoInst<
2943 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2944 [(set GPR:$dst, (atomic_load_xor_8 GPR:$ptr, GPR:$incr))]>;
2945 def ATOMIC_LOAD_NAND_I8 : PseudoInst<
2946 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2947 [(set GPR:$dst, (atomic_load_nand_8 GPR:$ptr, GPR:$incr))]>;
2948 def ATOMIC_LOAD_ADD_I16 : PseudoInst<
2949 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2950 [(set GPR:$dst, (atomic_load_add_16 GPR:$ptr, GPR:$incr))]>;
2951 def ATOMIC_LOAD_SUB_I16 : PseudoInst<
2952 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2953 [(set GPR:$dst, (atomic_load_sub_16 GPR:$ptr, GPR:$incr))]>;
2954 def ATOMIC_LOAD_AND_I16 : PseudoInst<
2955 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2956 [(set GPR:$dst, (atomic_load_and_16 GPR:$ptr, GPR:$incr))]>;
2957 def ATOMIC_LOAD_OR_I16 : PseudoInst<
2958 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2959 [(set GPR:$dst, (atomic_load_or_16 GPR:$ptr, GPR:$incr))]>;
2960 def ATOMIC_LOAD_XOR_I16 : PseudoInst<
2961 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2962 [(set GPR:$dst, (atomic_load_xor_16 GPR:$ptr, GPR:$incr))]>;
2963 def ATOMIC_LOAD_NAND_I16 : PseudoInst<
2964 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2965 [(set GPR:$dst, (atomic_load_nand_16 GPR:$ptr, GPR:$incr))]>;
2966 def ATOMIC_LOAD_ADD_I32 : PseudoInst<
2967 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2968 [(set GPR:$dst, (atomic_load_add_32 GPR:$ptr, GPR:$incr))]>;
2969 def ATOMIC_LOAD_SUB_I32 : PseudoInst<
2970 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2971 [(set GPR:$dst, (atomic_load_sub_32 GPR:$ptr, GPR:$incr))]>;
2972 def ATOMIC_LOAD_AND_I32 : PseudoInst<
2973 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2974 [(set GPR:$dst, (atomic_load_and_32 GPR:$ptr, GPR:$incr))]>;
2975 def ATOMIC_LOAD_OR_I32 : PseudoInst<
2976 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2977 [(set GPR:$dst, (atomic_load_or_32 GPR:$ptr, GPR:$incr))]>;
2978 def ATOMIC_LOAD_XOR_I32 : PseudoInst<
2979 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2980 [(set GPR:$dst, (atomic_load_xor_32 GPR:$ptr, GPR:$incr))]>;
2981 def ATOMIC_LOAD_NAND_I32 : PseudoInst<
2982 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2983 [(set GPR:$dst, (atomic_load_nand_32 GPR:$ptr, GPR:$incr))]>;
2985 def ATOMIC_SWAP_I8 : PseudoInst<
2986 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary, "",
2987 [(set GPR:$dst, (atomic_swap_8 GPR:$ptr, GPR:$new))]>;
2988 def ATOMIC_SWAP_I16 : PseudoInst<
2989 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary, "",
2990 [(set GPR:$dst, (atomic_swap_16 GPR:$ptr, GPR:$new))]>;
2991 def ATOMIC_SWAP_I32 : PseudoInst<
2992 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary, "",
2993 [(set GPR:$dst, (atomic_swap_32 GPR:$ptr, GPR:$new))]>;
2995 def ATOMIC_CMP_SWAP_I8 : PseudoInst<
2996 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary, "",
2997 [(set GPR:$dst, (atomic_cmp_swap_8 GPR:$ptr, GPR:$old, GPR:$new))]>;
2998 def ATOMIC_CMP_SWAP_I16 : PseudoInst<
2999 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary, "",
3000 [(set GPR:$dst, (atomic_cmp_swap_16 GPR:$ptr, GPR:$old, GPR:$new))]>;
3001 def ATOMIC_CMP_SWAP_I32 : PseudoInst<
3002 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary, "",
3003 [(set GPR:$dst, (atomic_cmp_swap_32 GPR:$ptr, GPR:$old, GPR:$new))]>;
3007 let mayLoad = 1 in {
3008 def LDREXB : AIldrex<0b10, (outs GPR:$Rt), (ins GPR:$Rn), NoItinerary,
3009 "ldrexb", "\t$Rt, [$Rn]",
3011 def LDREXH : AIldrex<0b11, (outs GPR:$Rt), (ins GPR:$Rn), NoItinerary,
3012 "ldrexh", "\t$Rt, [$Rn]",
3014 def LDREX : AIldrex<0b00, (outs GPR:$Rt), (ins GPR:$Rn), NoItinerary,
3015 "ldrex", "\t$Rt, [$Rn]",
3017 def LDREXD : AIldrex<0b01, (outs GPR:$Rt, GPR:$Rt2), (ins GPR:$Rn),
3019 "ldrexd", "\t$Rt, $Rt2, [$Rn]",
3023 let mayStore = 1, Constraints = "@earlyclobber $Rd" in {
3024 def STREXB : AIstrex<0b10, (outs GPR:$Rd), (ins GPR:$src, GPR:$Rn),
3026 "strexb", "\t$Rd, $src, [$Rn]",
3028 def STREXH : AIstrex<0b11, (outs GPR:$Rd), (ins GPR:$Rt, GPR:$Rn),
3030 "strexh", "\t$Rd, $Rt, [$Rn]",
3032 def STREX : AIstrex<0b00, (outs GPR:$Rd), (ins GPR:$Rt, GPR:$Rn),
3034 "strex", "\t$Rd, $Rt, [$Rn]",
3036 def STREXD : AIstrex<0b01, (outs GPR:$Rd),
3037 (ins GPR:$Rt, GPR:$Rt2, GPR:$Rn),
3039 "strexd", "\t$Rd, $Rt, $Rt2, [$Rn]",
3043 // Clear-Exclusive is for disassembly only.
3044 def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex",
3045 [/* For disassembly only; pattern left blank */]>,
3046 Requires<[IsARM, HasV7]> {
3047 let Inst{31-0} = 0b11110101011111111111000000011111;
3050 // SWP/SWPB are deprecated in V6/V7 and for disassembly only.
3051 let mayLoad = 1 in {
3052 def SWP : AIswp<0, (outs GPR:$Rt), (ins GPR:$Rt2, GPR:$Rn), "swp",
3053 [/* For disassembly only; pattern left blank */]>;
3054 def SWPB : AIswp<1, (outs GPR:$Rt), (ins GPR:$Rt2, GPR:$Rn), "swpb",
3055 [/* For disassembly only; pattern left blank */]>;
3058 //===----------------------------------------------------------------------===//
3062 // __aeabi_read_tp preserves the registers r1-r3.
3063 // FIXME: This needs to be a pseudo of some sort so that we can get the
3064 // encoding right, complete with fixup for the aeabi_read_tp function.
3066 Defs = [R0, R12, LR, CPSR] in {
3067 def TPsoft : ABXI<0b1011, (outs), (ins), IIC_Br,
3068 "bl\t__aeabi_read_tp",
3069 [(set R0, ARMthread_pointer)]>;
3072 //===----------------------------------------------------------------------===//
3073 // SJLJ Exception handling intrinsics
3074 // eh_sjlj_setjmp() is an instruction sequence to store the return
3075 // address and save #0 in R0 for the non-longjmp case.
3076 // Since by its nature we may be coming from some other function to get
3077 // here, and we're using the stack frame for the containing function to
3078 // save/restore registers, we can't keep anything live in regs across
3079 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
3080 // when we get here from a longjmp(). We force everthing out of registers
3081 // except for our own input by listing the relevant registers in Defs. By
3082 // doing so, we also cause the prologue/epilogue code to actively preserve
3083 // all of the callee-saved resgisters, which is exactly what we want.
3084 // A constant value is passed in $val, and we use the location as a scratch.
3086 // These are pseudo-instructions and are lowered to individual MC-insts, so
3087 // no encoding information is necessary.
3089 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, D0,
3090 D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15,
3091 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26, D27, D28, D29, D30,
3092 D31 ], hasSideEffects = 1, isBarrier = 1 in {
3093 def Int_eh_sjlj_setjmp : XI<(outs), (ins GPR:$src, GPR:$val),
3094 AddrModeNone, SizeSpecial, IndexModeNone,
3095 Pseudo, NoItinerary, "", "",
3096 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
3097 Requires<[IsARM, HasVFP2]>;
3101 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR ],
3102 hasSideEffects = 1, isBarrier = 1 in {
3103 def Int_eh_sjlj_setjmp_nofp : XI<(outs), (ins GPR:$src, GPR:$val),
3104 AddrModeNone, SizeSpecial, IndexModeNone,
3105 Pseudo, NoItinerary, "", "",
3106 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
3107 Requires<[IsARM, NoVFP]>;
3110 // FIXME: Non-Darwin version(s)
3111 let isBarrier = 1, hasSideEffects = 1, isTerminator = 1,
3112 Defs = [ R7, LR, SP ] in {
3113 def Int_eh_sjlj_longjmp : XI<(outs), (ins GPR:$src, GPR:$scratch),
3114 AddrModeNone, SizeSpecial, IndexModeNone,
3115 Pseudo, NoItinerary, "", "",
3116 [(ARMeh_sjlj_longjmp GPR:$src, GPR:$scratch)]>,
3117 Requires<[IsARM, IsDarwin]>;
3120 // eh.sjlj.dispatchsetup pseudo-instruction.
3121 // This pseudo is used for ARM, Thumb1 and Thumb2. Any differences are
3122 // handled when the pseudo is expanded (which happens before any passes
3123 // that need the instruction size).
3124 let isBarrier = 1, hasSideEffects = 1 in
3125 def Int_eh_sjlj_dispatchsetup :
3126 PseudoInst<(outs), (ins GPR:$src), NoItinerary, "",
3127 [(ARMeh_sjlj_dispatchsetup GPR:$src)]>,
3128 Requires<[IsDarwin]>;
3130 //===----------------------------------------------------------------------===//
3131 // Non-Instruction Patterns
3134 // Large immediate handling.
3136 // Two piece so_imms.
3137 // FIXME: Remove this when we can do generalized remat.
3138 let isReMaterializable = 1 in
3139 def MOVi2pieces : PseudoInst<(outs GPR:$dst), (ins so_imm2part:$src),
3141 [(set GPR:$dst, (so_imm2part:$src))]>,
3142 Requires<[IsARM, NoV6T2]>;
3144 def : ARMPat<(or GPR:$LHS, so_imm2part:$RHS),
3145 (ORRri (ORRri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
3146 (so_imm2part_2 imm:$RHS))>;
3147 def : ARMPat<(xor GPR:$LHS, so_imm2part:$RHS),
3148 (EORri (EORri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
3149 (so_imm2part_2 imm:$RHS))>;
3150 def : ARMPat<(add GPR:$LHS, so_imm2part:$RHS),
3151 (ADDri (ADDri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
3152 (so_imm2part_2 imm:$RHS))>;
3153 def : ARMPat<(add GPR:$LHS, so_neg_imm2part:$RHS),
3154 (SUBri (SUBri GPR:$LHS, (so_neg_imm2part_1 imm:$RHS)),
3155 (so_neg_imm2part_2 imm:$RHS))>;
3157 // 32-bit immediate using movw + movt.
3158 // This is a single pseudo instruction, the benefit is that it can be remat'd
3159 // as a single unit instead of having to handle reg inputs.
3160 // FIXME: Remove this when we can do generalized remat.
3161 let isReMaterializable = 1 in
3162 def MOVi32imm : PseudoInst<(outs GPR:$dst), (ins i32imm:$src), IIC_iMOVix2, "",
3163 [(set GPR:$dst, (i32 imm:$src))]>,
3164 Requires<[IsARM, HasV6T2]>;
3166 // ConstantPool, GlobalAddress, and JumpTable
3167 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>,
3168 Requires<[IsARM, DontUseMovt]>;
3169 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
3170 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
3171 Requires<[IsARM, UseMovt]>;
3172 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
3173 (LEApcrelJT tjumptable:$dst, imm:$id)>;
3175 // TODO: add,sub,and, 3-instr forms?
3178 def : ARMPat<(ARMtcret tcGPR:$dst),
3179 (TCRETURNri tcGPR:$dst)>, Requires<[IsDarwin]>;
3181 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
3182 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
3184 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
3185 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
3187 def : ARMPat<(ARMtcret tcGPR:$dst),
3188 (TCRETURNriND tcGPR:$dst)>, Requires<[IsNotDarwin]>;
3190 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
3191 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
3193 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
3194 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
3197 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>,
3198 Requires<[IsARM, IsNotDarwin]>;
3199 def : ARMPat<(ARMcall texternalsym:$func), (BLr9 texternalsym:$func)>,
3200 Requires<[IsARM, IsDarwin]>;
3202 // zextload i1 -> zextload i8
3203 def : ARMPat<(zextloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3204 def : ARMPat<(zextloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3206 // extload -> zextload
3207 def : ARMPat<(extloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3208 def : ARMPat<(extloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3209 def : ARMPat<(extloadi8 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3210 def : ARMPat<(extloadi8 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3212 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
3214 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
3215 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
3218 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3219 (sra (shl GPR:$b, (i32 16)), (i32 16))),
3220 (SMULBB GPR:$a, GPR:$b)>;
3221 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
3222 (SMULBB GPR:$a, GPR:$b)>;
3223 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3224 (sra GPR:$b, (i32 16))),
3225 (SMULBT GPR:$a, GPR:$b)>;
3226 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
3227 (SMULBT GPR:$a, GPR:$b)>;
3228 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
3229 (sra (shl GPR:$b, (i32 16)), (i32 16))),
3230 (SMULTB GPR:$a, GPR:$b)>;
3231 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
3232 (SMULTB GPR:$a, GPR:$b)>;
3233 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
3235 (SMULWB GPR:$a, GPR:$b)>;
3236 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
3237 (SMULWB GPR:$a, GPR:$b)>;
3239 def : ARMV5TEPat<(add GPR:$acc,
3240 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3241 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
3242 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
3243 def : ARMV5TEPat<(add GPR:$acc,
3244 (mul sext_16_node:$a, sext_16_node:$b)),
3245 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
3246 def : ARMV5TEPat<(add GPR:$acc,
3247 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3248 (sra GPR:$b, (i32 16)))),
3249 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
3250 def : ARMV5TEPat<(add GPR:$acc,
3251 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
3252 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
3253 def : ARMV5TEPat<(add GPR:$acc,
3254 (mul (sra GPR:$a, (i32 16)),
3255 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
3256 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
3257 def : ARMV5TEPat<(add GPR:$acc,
3258 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
3259 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
3260 def : ARMV5TEPat<(add GPR:$acc,
3261 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
3263 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
3264 def : ARMV5TEPat<(add GPR:$acc,
3265 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
3266 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
3268 //===----------------------------------------------------------------------===//
3272 include "ARMInstrThumb.td"
3274 //===----------------------------------------------------------------------===//
3278 include "ARMInstrThumb2.td"
3280 //===----------------------------------------------------------------------===//
3281 // Floating Point Support
3284 include "ARMInstrVFP.td"
3286 //===----------------------------------------------------------------------===//
3287 // Advanced SIMD (NEON) Support
3290 include "ARMInstrNEON.td"
3292 //===----------------------------------------------------------------------===//
3293 // Coprocessor Instructions. For disassembly only.
3296 def CDP : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3297 nohash_imm:$CRd, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3298 NoItinerary, "cdp", "\tp$cop, $opc1, cr$CRd, cr$CRn, cr$CRm, $opc2",
3299 [/* For disassembly only; pattern left blank */]> {
3303 def CDP2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3304 nohash_imm:$CRd, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3305 NoItinerary, "cdp2\tp$cop, $opc1, cr$CRd, cr$CRn, cr$CRm, $opc2",
3306 [/* For disassembly only; pattern left blank */]> {
3307 let Inst{31-28} = 0b1111;
3311 class ACI<dag oops, dag iops, string opc, string asm>
3312 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, BrFrm, NoItinerary,
3313 opc, asm, "", [/* For disassembly only; pattern left blank */]> {
3314 let Inst{27-25} = 0b110;
3317 multiclass LdStCop<bits<4> op31_28, bit load, string opc> {
3319 def _OFFSET : ACI<(outs),
3320 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3321 opc, "\tp$cop, cr$CRd, $addr"> {
3322 let Inst{31-28} = op31_28;
3323 let Inst{24} = 1; // P = 1
3324 let Inst{21} = 0; // W = 0
3325 let Inst{22} = 0; // D = 0
3326 let Inst{20} = load;
3329 def _PRE : ACI<(outs),
3330 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3331 opc, "\tp$cop, cr$CRd, $addr!"> {
3332 let Inst{31-28} = op31_28;
3333 let Inst{24} = 1; // P = 1
3334 let Inst{21} = 1; // W = 1
3335 let Inst{22} = 0; // D = 0
3336 let Inst{20} = load;
3339 def _POST : ACI<(outs),
3340 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
3341 opc, "\tp$cop, cr$CRd, [$base], $offset"> {
3342 let Inst{31-28} = op31_28;
3343 let Inst{24} = 0; // P = 0
3344 let Inst{21} = 1; // W = 1
3345 let Inst{22} = 0; // D = 0
3346 let Inst{20} = load;
3349 def _OPTION : ACI<(outs),
3350 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, i32imm:$option),
3351 opc, "\tp$cop, cr$CRd, [$base], $option"> {
3352 let Inst{31-28} = op31_28;
3353 let Inst{24} = 0; // P = 0
3354 let Inst{23} = 1; // U = 1
3355 let Inst{21} = 0; // W = 0
3356 let Inst{22} = 0; // D = 0
3357 let Inst{20} = load;
3360 def L_OFFSET : ACI<(outs),
3361 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3362 !strconcat(opc, "l"), "\tp$cop, cr$CRd, $addr"> {
3363 let Inst{31-28} = op31_28;
3364 let Inst{24} = 1; // P = 1
3365 let Inst{21} = 0; // W = 0
3366 let Inst{22} = 1; // D = 1
3367 let Inst{20} = load;
3370 def L_PRE : ACI<(outs),
3371 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3372 !strconcat(opc, "l"), "\tp$cop, cr$CRd, $addr!"> {
3373 let Inst{31-28} = op31_28;
3374 let Inst{24} = 1; // P = 1
3375 let Inst{21} = 1; // W = 1
3376 let Inst{22} = 1; // D = 1
3377 let Inst{20} = load;
3380 def L_POST : ACI<(outs),
3381 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
3382 !strconcat(opc, "l"), "\tp$cop, cr$CRd, [$base], $offset"> {
3383 let Inst{31-28} = op31_28;
3384 let Inst{24} = 0; // P = 0
3385 let Inst{21} = 1; // W = 1
3386 let Inst{22} = 1; // D = 1
3387 let Inst{20} = load;
3390 def L_OPTION : ACI<(outs),
3391 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, nohash_imm:$option),
3392 !strconcat(opc, "l"), "\tp$cop, cr$CRd, [$base], $option"> {
3393 let Inst{31-28} = op31_28;
3394 let Inst{24} = 0; // P = 0
3395 let Inst{23} = 1; // U = 1
3396 let Inst{21} = 0; // W = 0
3397 let Inst{22} = 1; // D = 1
3398 let Inst{20} = load;
3402 defm LDC : LdStCop<{?,?,?,?}, 1, "ldc">;
3403 defm LDC2 : LdStCop<0b1111, 1, "ldc2">;
3404 defm STC : LdStCop<{?,?,?,?}, 0, "stc">;
3405 defm STC2 : LdStCop<0b1111, 0, "stc2">;
3407 def MCR : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3408 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3409 NoItinerary, "mcr", "\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3410 [/* For disassembly only; pattern left blank */]> {
3415 def MCR2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3416 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3417 NoItinerary, "mcr2\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3418 [/* For disassembly only; pattern left blank */]> {
3419 let Inst{31-28} = 0b1111;
3424 def MRC : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3425 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3426 NoItinerary, "mrc", "\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3427 [/* For disassembly only; pattern left blank */]> {
3432 def MRC2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3433 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3434 NoItinerary, "mrc2\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3435 [/* For disassembly only; pattern left blank */]> {
3436 let Inst{31-28} = 0b1111;
3441 def MCRR : ABI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3442 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3443 NoItinerary, "mcrr", "\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3444 [/* For disassembly only; pattern left blank */]> {
3445 let Inst{23-20} = 0b0100;
3448 def MCRR2 : ABXI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3449 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3450 NoItinerary, "mcrr2\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3451 [/* For disassembly only; pattern left blank */]> {
3452 let Inst{31-28} = 0b1111;
3453 let Inst{23-20} = 0b0100;
3456 def MRRC : ABI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3457 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3458 NoItinerary, "mrrc", "\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3459 [/* For disassembly only; pattern left blank */]> {
3460 let Inst{23-20} = 0b0101;
3463 def MRRC2 : ABXI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3464 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3465 NoItinerary, "mrrc2\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3466 [/* For disassembly only; pattern left blank */]> {
3467 let Inst{31-28} = 0b1111;
3468 let Inst{23-20} = 0b0101;
3471 //===----------------------------------------------------------------------===//
3472 // Move between special register and ARM core register -- for disassembly only
3475 def MRS : ABI<0b0001,(outs GPR:$dst),(ins), NoItinerary, "mrs", "\t$dst, cpsr",
3476 [/* For disassembly only; pattern left blank */]> {
3477 let Inst{23-20} = 0b0000;
3478 let Inst{7-4} = 0b0000;
3481 def MRSsys : ABI<0b0001,(outs GPR:$dst),(ins), NoItinerary,"mrs","\t$dst, spsr",
3482 [/* For disassembly only; pattern left blank */]> {
3483 let Inst{23-20} = 0b0100;
3484 let Inst{7-4} = 0b0000;
3487 def MSR : ABI<0b0001, (outs), (ins GPR:$src, msr_mask:$mask), NoItinerary,
3488 "msr", "\tcpsr$mask, $src",
3489 [/* For disassembly only; pattern left blank */]> {
3490 let Inst{23-20} = 0b0010;
3491 let Inst{7-4} = 0b0000;
3494 def MSRi : ABI<0b0011, (outs), (ins so_imm:$a, msr_mask:$mask), NoItinerary,
3495 "msr", "\tcpsr$mask, $a",
3496 [/* For disassembly only; pattern left blank */]> {
3497 let Inst{23-20} = 0b0010;
3498 let Inst{7-4} = 0b0000;
3501 def MSRsys : ABI<0b0001, (outs), (ins GPR:$src, msr_mask:$mask), NoItinerary,
3502 "msr", "\tspsr$mask, $src",
3503 [/* For disassembly only; pattern left blank */]> {
3504 let Inst{23-20} = 0b0110;
3505 let Inst{7-4} = 0b0000;
3508 def MSRsysi : ABI<0b0011, (outs), (ins so_imm:$a, msr_mask:$mask), NoItinerary,
3509 "msr", "\tspsr$mask, $a",
3510 [/* For disassembly only; pattern left blank */]> {
3511 let Inst{23-20} = 0b0110;
3512 let Inst{7-4} = 0b0000;