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_ARMCmp : SDTypeProfile<0, 2, [SDTCisSameAs<0, 1>]>;
43 def SDT_ARMPICAdd : SDTypeProfile<1, 2, [SDTCisSameAs<0, 1>,
44 SDTCisPtrTy<1>, SDTCisVT<2, i32>]>;
46 def SDT_ARMThreadPointer : SDTypeProfile<1, 0, [SDTCisPtrTy<0>]>;
47 def SDT_ARMEH_SJLJ_Setjmp : SDTypeProfile<1, 2, [SDTCisInt<0>, SDTCisPtrTy<1>,
50 def SDT_ARMMEMBARRIERV7 : SDTypeProfile<0, 0, []>;
51 def SDT_ARMSYNCBARRIERV7 : SDTypeProfile<0, 0, []>;
52 def SDT_ARMMEMBARRIERV6 : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
53 def SDT_ARMSYNCBARRIERV6 : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
56 def ARMWrapper : SDNode<"ARMISD::Wrapper", SDTIntUnaryOp>;
57 def ARMWrapperJT : SDNode<"ARMISD::WrapperJT", SDTIntBinOp>;
59 def ARMcallseq_start : SDNode<"ISD::CALLSEQ_START", SDT_ARMCallSeqStart,
60 [SDNPHasChain, SDNPOutFlag]>;
61 def ARMcallseq_end : SDNode<"ISD::CALLSEQ_END", SDT_ARMCallSeqEnd,
62 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
64 def ARMcall : SDNode<"ARMISD::CALL", SDT_ARMcall,
65 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag,
67 def ARMcall_pred : SDNode<"ARMISD::CALL_PRED", SDT_ARMcall,
68 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag,
70 def ARMcall_nolink : SDNode<"ARMISD::CALL_NOLINK", SDT_ARMcall,
71 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag,
74 def ARMretflag : SDNode<"ARMISD::RET_FLAG", SDTNone,
75 [SDNPHasChain, SDNPOptInFlag]>;
77 def ARMcmov : SDNode<"ARMISD::CMOV", SDT_ARMCMov,
79 def ARMcneg : SDNode<"ARMISD::CNEG", SDT_ARMCMov,
82 def ARMbrcond : SDNode<"ARMISD::BRCOND", SDT_ARMBrcond,
83 [SDNPHasChain, SDNPInFlag, SDNPOutFlag]>;
85 def ARMbrjt : SDNode<"ARMISD::BR_JT", SDT_ARMBrJT,
87 def ARMbr2jt : SDNode<"ARMISD::BR2_JT", SDT_ARMBr2JT,
90 def ARMcmp : SDNode<"ARMISD::CMP", SDT_ARMCmp,
93 def ARMcmpZ : SDNode<"ARMISD::CMPZ", SDT_ARMCmp,
94 [SDNPOutFlag,SDNPCommutative]>;
96 def ARMpic_add : SDNode<"ARMISD::PIC_ADD", SDT_ARMPICAdd>;
98 def ARMsrl_flag : SDNode<"ARMISD::SRL_FLAG", SDTIntUnaryOp, [SDNPOutFlag]>;
99 def ARMsra_flag : SDNode<"ARMISD::SRA_FLAG", SDTIntUnaryOp, [SDNPOutFlag]>;
100 def ARMrrx : SDNode<"ARMISD::RRX" , SDTIntUnaryOp, [SDNPInFlag ]>;
102 def ARMthread_pointer: SDNode<"ARMISD::THREAD_POINTER", SDT_ARMThreadPointer>;
103 def ARMeh_sjlj_setjmp: SDNode<"ARMISD::EH_SJLJ_SETJMP", SDT_ARMEH_SJLJ_Setjmp>;
105 def ARMMemBarrierV7 : SDNode<"ARMISD::MEMBARRIER", SDT_ARMMEMBARRIERV7,
107 def ARMSyncBarrierV7 : SDNode<"ARMISD::SYNCBARRIER", SDT_ARMMEMBARRIERV7,
109 def ARMMemBarrierV6 : SDNode<"ARMISD::MEMBARRIER", SDT_ARMMEMBARRIERV6,
111 def ARMSyncBarrierV6 : SDNode<"ARMISD::SYNCBARRIER", SDT_ARMMEMBARRIERV6,
114 def ARMrbit : SDNode<"ARMISD::RBIT", SDTIntUnaryOp>;
116 //===----------------------------------------------------------------------===//
117 // ARM Instruction Predicate Definitions.
119 def HasV4T : Predicate<"Subtarget->hasV4TOps()">;
120 def NoV4T : Predicate<"!Subtarget->hasV4TOps()">;
121 def HasV5T : Predicate<"Subtarget->hasV5TOps()">;
122 def HasV5TE : Predicate<"Subtarget->hasV5TEOps()">;
123 def HasV6 : Predicate<"Subtarget->hasV6Ops()">;
124 def HasV6T2 : Predicate<"Subtarget->hasV6T2Ops()">;
125 def NoV6T2 : Predicate<"!Subtarget->hasV6T2Ops()">;
126 def HasV7 : Predicate<"Subtarget->hasV7Ops()">;
127 def HasV7A : Predicate<"Subtarget->hasV7AOps()">;
128 def HasV7M : Predicate<"Subtarget->hasV7MOps()">;
129 def NoV7M : Predicate<"!Subtarget->hasV7MOps()">;
130 def NoVFP : Predicate<"!Subtarget->hasVFP2()">;
131 def HasVFP2 : Predicate<"Subtarget->hasVFP2()">;
132 def HasVFP3 : Predicate<"Subtarget->hasVFP3()">;
133 def HasNEON : Predicate<"Subtarget->hasNEON()">;
134 def UseNEONForFP : Predicate<"Subtarget->useNEONForSinglePrecisionFP()">;
135 def DontUseNEONForFP : Predicate<"!Subtarget->useNEONForSinglePrecisionFP()">;
136 def IsThumb : Predicate<"Subtarget->isThumb()">;
137 def IsThumb1Only : Predicate<"Subtarget->isThumb1Only()">;
138 def IsThumb2 : Predicate<"Subtarget->isThumb2()">;
139 def IsARM : Predicate<"!Subtarget->isThumb()">;
140 def IsDarwin : Predicate<"Subtarget->isTargetDarwin()">;
141 def IsNotDarwin : Predicate<"!Subtarget->isTargetDarwin()">;
143 // FIXME: Eventually this will be just "hasV6T2Ops".
144 def UseMovt : Predicate<"Subtarget->useMovt()">;
145 def DontUseMovt : Predicate<"!Subtarget->useMovt()">;
147 def UseVMLx : Predicate<"Subtarget->useVMLx()">;
149 //===----------------------------------------------------------------------===//
150 // ARM Flag Definitions.
152 class RegConstraint<string C> {
153 string Constraints = C;
156 //===----------------------------------------------------------------------===//
157 // ARM specific transformation functions and pattern fragments.
160 // so_imm_neg_XFORM - Return a so_imm value packed into the format described for
161 // so_imm_neg def below.
162 def so_imm_neg_XFORM : SDNodeXForm<imm, [{
163 return CurDAG->getTargetConstant(-(int)N->getZExtValue(), MVT::i32);
166 // so_imm_not_XFORM - Return a so_imm value packed into the format described for
167 // so_imm_not def below.
168 def so_imm_not_XFORM : SDNodeXForm<imm, [{
169 return CurDAG->getTargetConstant(~(int)N->getZExtValue(), MVT::i32);
172 // rot_imm predicate - True if the 32-bit immediate is equal to 8, 16, or 24.
173 def rot_imm : PatLeaf<(i32 imm), [{
174 int32_t v = (int32_t)N->getZExtValue();
175 return v == 8 || v == 16 || v == 24;
178 /// imm1_15 predicate - True if the 32-bit immediate is in the range [1,15].
179 def imm1_15 : PatLeaf<(i32 imm), [{
180 return (int32_t)N->getZExtValue() >= 1 && (int32_t)N->getZExtValue() < 16;
183 /// imm16_31 predicate - True if the 32-bit immediate is in the range [16,31].
184 def imm16_31 : PatLeaf<(i32 imm), [{
185 return (int32_t)N->getZExtValue() >= 16 && (int32_t)N->getZExtValue() < 32;
190 return ARM_AM::getSOImmVal(-(int)N->getZExtValue()) != -1;
191 }], so_imm_neg_XFORM>;
195 return ARM_AM::getSOImmVal(~(int)N->getZExtValue()) != -1;
196 }], so_imm_not_XFORM>;
198 // sext_16_node predicate - True if the SDNode is sign-extended 16 or more bits.
199 def sext_16_node : PatLeaf<(i32 GPR:$a), [{
200 return CurDAG->ComputeNumSignBits(SDValue(N,0)) >= 17;
203 /// bf_inv_mask_imm predicate - An AND mask to clear an arbitrary width bitfield
205 def bf_inv_mask_imm : Operand<i32>,
207 uint32_t v = (uint32_t)N->getZExtValue();
210 // there can be 1's on either or both "outsides", all the "inside"
212 unsigned int lsb = 0, msb = 31;
213 while (v & (1 << msb)) --msb;
214 while (v & (1 << lsb)) ++lsb;
215 for (unsigned int i = lsb; i <= msb; ++i) {
221 let PrintMethod = "printBitfieldInvMaskImmOperand";
224 /// Split a 32-bit immediate into two 16 bit parts.
225 def lo16 : SDNodeXForm<imm, [{
226 return CurDAG->getTargetConstant((uint32_t)N->getZExtValue() & 0xffff,
230 def hi16 : SDNodeXForm<imm, [{
231 return CurDAG->getTargetConstant((uint32_t)N->getZExtValue() >> 16, MVT::i32);
234 def lo16AllZero : PatLeaf<(i32 imm), [{
235 // Returns true if all low 16-bits are 0.
236 return (((uint32_t)N->getZExtValue()) & 0xFFFFUL) == 0;
239 /// imm0_65535 predicate - True if the 32-bit immediate is in the range
241 def imm0_65535 : PatLeaf<(i32 imm), [{
242 return (uint32_t)N->getZExtValue() < 65536;
245 class BinOpFrag<dag res> : PatFrag<(ops node:$LHS, node:$RHS), res>;
246 class UnOpFrag <dag res> : PatFrag<(ops node:$Src), res>;
248 /// adde and sube predicates - True based on whether the carry flag output
249 /// will be needed or not.
250 def adde_dead_carry :
251 PatFrag<(ops node:$LHS, node:$RHS), (adde node:$LHS, node:$RHS),
252 [{return !N->hasAnyUseOfValue(1);}]>;
253 def sube_dead_carry :
254 PatFrag<(ops node:$LHS, node:$RHS), (sube node:$LHS, node:$RHS),
255 [{return !N->hasAnyUseOfValue(1);}]>;
256 def adde_live_carry :
257 PatFrag<(ops node:$LHS, node:$RHS), (adde node:$LHS, node:$RHS),
258 [{return N->hasAnyUseOfValue(1);}]>;
259 def sube_live_carry :
260 PatFrag<(ops node:$LHS, node:$RHS), (sube node:$LHS, node:$RHS),
261 [{return N->hasAnyUseOfValue(1);}]>;
263 //===----------------------------------------------------------------------===//
264 // Operand Definitions.
268 def brtarget : Operand<OtherVT>;
270 // A list of registers separated by comma. Used by load/store multiple.
271 def reglist : Operand<i32> {
272 let PrintMethod = "printRegisterList";
275 // An operand for the CONSTPOOL_ENTRY pseudo-instruction.
276 def cpinst_operand : Operand<i32> {
277 let PrintMethod = "printCPInstOperand";
280 def jtblock_operand : Operand<i32> {
281 let PrintMethod = "printJTBlockOperand";
283 def jt2block_operand : Operand<i32> {
284 let PrintMethod = "printJT2BlockOperand";
288 def pclabel : Operand<i32> {
289 let PrintMethod = "printPCLabel";
292 // shifter_operand operands: so_reg and so_imm.
293 def so_reg : Operand<i32>, // reg reg imm
294 ComplexPattern<i32, 3, "SelectShifterOperandReg",
295 [shl,srl,sra,rotr]> {
296 let PrintMethod = "printSORegOperand";
297 let MIOperandInfo = (ops GPR, GPR, i32imm);
300 // so_imm - Match a 32-bit shifter_operand immediate operand, which is an
301 // 8-bit immediate rotated by an arbitrary number of bits. so_imm values are
302 // represented in the imm field in the same 12-bit form that they are encoded
303 // into so_imm instructions: the 8-bit immediate is the least significant bits
304 // [bits 0-7], the 4-bit shift amount is the next 4 bits [bits 8-11].
305 def so_imm : Operand<i32>,
307 return ARM_AM::getSOImmVal(N->getZExtValue()) != -1;
309 let PrintMethod = "printSOImmOperand";
312 // Break so_imm's up into two pieces. This handles immediates with up to 16
313 // bits set in them. This uses so_imm2part to match and so_imm2part_[12] to
314 // get the first/second pieces.
315 def so_imm2part : Operand<i32>,
317 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
319 let PrintMethod = "printSOImm2PartOperand";
322 def so_imm2part_1 : SDNodeXForm<imm, [{
323 unsigned V = ARM_AM::getSOImmTwoPartFirst((unsigned)N->getZExtValue());
324 return CurDAG->getTargetConstant(V, MVT::i32);
327 def so_imm2part_2 : SDNodeXForm<imm, [{
328 unsigned V = ARM_AM::getSOImmTwoPartSecond((unsigned)N->getZExtValue());
329 return CurDAG->getTargetConstant(V, MVT::i32);
332 def so_neg_imm2part : Operand<i32>, PatLeaf<(imm), [{
333 return ARM_AM::isSOImmTwoPartVal(-(int)N->getZExtValue());
335 let PrintMethod = "printSOImm2PartOperand";
338 def so_neg_imm2part_1 : SDNodeXForm<imm, [{
339 unsigned V = ARM_AM::getSOImmTwoPartFirst(-(int)N->getZExtValue());
340 return CurDAG->getTargetConstant(V, MVT::i32);
343 def so_neg_imm2part_2 : SDNodeXForm<imm, [{
344 unsigned V = ARM_AM::getSOImmTwoPartSecond(-(int)N->getZExtValue());
345 return CurDAG->getTargetConstant(V, MVT::i32);
348 /// imm0_31 predicate - True if the 32-bit immediate is in the range [0,31].
349 def imm0_31 : Operand<i32>, PatLeaf<(imm), [{
350 return (int32_t)N->getZExtValue() < 32;
353 // Define ARM specific addressing modes.
355 // addrmode2 := reg +/- reg shop imm
356 // addrmode2 := reg +/- imm12
358 def addrmode2 : Operand<i32>,
359 ComplexPattern<i32, 3, "SelectAddrMode2", []> {
360 let PrintMethod = "printAddrMode2Operand";
361 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
364 def am2offset : Operand<i32>,
365 ComplexPattern<i32, 2, "SelectAddrMode2Offset", []> {
366 let PrintMethod = "printAddrMode2OffsetOperand";
367 let MIOperandInfo = (ops GPR, i32imm);
370 // addrmode3 := reg +/- reg
371 // addrmode3 := reg +/- imm8
373 def addrmode3 : Operand<i32>,
374 ComplexPattern<i32, 3, "SelectAddrMode3", []> {
375 let PrintMethod = "printAddrMode3Operand";
376 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
379 def am3offset : Operand<i32>,
380 ComplexPattern<i32, 2, "SelectAddrMode3Offset", []> {
381 let PrintMethod = "printAddrMode3OffsetOperand";
382 let MIOperandInfo = (ops GPR, i32imm);
385 // addrmode4 := reg, <mode|W>
387 def addrmode4 : Operand<i32>,
388 ComplexPattern<i32, 2, "SelectAddrMode4", []> {
389 let PrintMethod = "printAddrMode4Operand";
390 let MIOperandInfo = (ops GPR:$addr, i32imm);
393 // addrmode5 := reg +/- imm8*4
395 def addrmode5 : Operand<i32>,
396 ComplexPattern<i32, 2, "SelectAddrMode5", []> {
397 let PrintMethod = "printAddrMode5Operand";
398 let MIOperandInfo = (ops GPR:$base, i32imm);
401 // addrmode6 := reg with optional writeback
403 def addrmode6 : Operand<i32>,
404 ComplexPattern<i32, 2, "SelectAddrMode6", []> {
405 let PrintMethod = "printAddrMode6Operand";
406 let MIOperandInfo = (ops GPR:$addr, i32imm);
409 def am6offset : Operand<i32> {
410 let PrintMethod = "printAddrMode6OffsetOperand";
411 let MIOperandInfo = (ops GPR);
414 // addrmodepc := pc + reg
416 def addrmodepc : Operand<i32>,
417 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
418 let PrintMethod = "printAddrModePCOperand";
419 let MIOperandInfo = (ops GPR, i32imm);
422 def nohash_imm : Operand<i32> {
423 let PrintMethod = "printNoHashImmediate";
426 //===----------------------------------------------------------------------===//
428 include "ARMInstrFormats.td"
430 //===----------------------------------------------------------------------===//
431 // Multiclass helpers...
434 /// AsI1_bin_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns for a
435 /// binop that produces a value.
436 multiclass AsI1_bin_irs<bits<4> opcod, string opc, PatFrag opnode,
437 bit Commutable = 0> {
438 def ri : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
439 IIC_iALUi, opc, "\t$dst, $a, $b",
440 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]> {
443 def rr : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
444 IIC_iALUr, opc, "\t$dst, $a, $b",
445 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]> {
446 let Inst{11-4} = 0b00000000;
448 let isCommutable = Commutable;
450 def rs : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
451 IIC_iALUsr, opc, "\t$dst, $a, $b",
452 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]> {
457 /// AI1_bin_s_irs - Similar to AsI1_bin_irs except it sets the 's' bit so the
458 /// instruction modifies the CPSR register.
459 let Defs = [CPSR] in {
460 multiclass AI1_bin_s_irs<bits<4> opcod, string opc, PatFrag opnode,
461 bit Commutable = 0> {
462 def ri : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
463 IIC_iALUi, opc, "\t$dst, $a, $b",
464 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]> {
468 def rr : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
469 IIC_iALUr, opc, "\t$dst, $a, $b",
470 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]> {
471 let isCommutable = Commutable;
472 let Inst{11-4} = 0b00000000;
476 def rs : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
477 IIC_iALUsr, opc, "\t$dst, $a, $b",
478 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]> {
485 /// AI1_cmp_irs - Defines a set of (op r, {so_imm|r|so_reg}) cmp / test
486 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
487 /// a explicit result, only implicitly set CPSR.
488 let Defs = [CPSR] in {
489 multiclass AI1_cmp_irs<bits<4> opcod, string opc, PatFrag opnode,
490 bit Commutable = 0> {
491 def ri : AI1<opcod, (outs), (ins GPR:$a, so_imm:$b), DPFrm, IIC_iCMPi,
493 [(opnode GPR:$a, so_imm:$b)]> {
497 def rr : AI1<opcod, (outs), (ins GPR:$a, GPR:$b), DPFrm, IIC_iCMPr,
499 [(opnode GPR:$a, GPR:$b)]> {
500 let Inst{11-4} = 0b00000000;
503 let isCommutable = Commutable;
505 def rs : AI1<opcod, (outs), (ins GPR:$a, so_reg:$b), DPSoRegFrm, IIC_iCMPsr,
507 [(opnode GPR:$a, so_reg:$b)]> {
514 /// AI_unary_rrot - A unary operation with two forms: one whose operand is a
515 /// register and one whose operand is a register rotated by 8/16/24.
516 /// FIXME: Remove the 'r' variant. Its rot_imm is zero.
517 multiclass AI_unary_rrot<bits<8> opcod, string opc, PatFrag opnode> {
518 def r : AExtI<opcod, (outs GPR:$dst), (ins GPR:$src),
519 IIC_iUNAr, opc, "\t$dst, $src",
520 [(set GPR:$dst, (opnode GPR:$src))]>,
521 Requires<[IsARM, HasV6]> {
522 let Inst{11-10} = 0b00;
523 let Inst{19-16} = 0b1111;
525 def r_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$src, i32imm:$rot),
526 IIC_iUNAsi, opc, "\t$dst, $src, ror $rot",
527 [(set GPR:$dst, (opnode (rotr GPR:$src, rot_imm:$rot)))]>,
528 Requires<[IsARM, HasV6]> {
529 let Inst{19-16} = 0b1111;
533 multiclass AI_unary_rrot_np<bits<8> opcod, string opc> {
534 def r : AExtI<opcod, (outs GPR:$dst), (ins GPR:$src),
535 IIC_iUNAr, opc, "\t$dst, $src",
536 [/* For disassembly only; pattern left blank */]>,
537 Requires<[IsARM, HasV6]> {
538 let Inst{11-10} = 0b00;
539 let Inst{19-16} = 0b1111;
541 def r_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$src, i32imm:$rot),
542 IIC_iUNAsi, opc, "\t$dst, $src, ror $rot",
543 [/* For disassembly only; pattern left blank */]>,
544 Requires<[IsARM, HasV6]> {
545 let Inst{19-16} = 0b1111;
549 /// AI_bin_rrot - A binary operation with two forms: one whose operand is a
550 /// register and one whose operand is a register rotated by 8/16/24.
551 multiclass AI_bin_rrot<bits<8> opcod, string opc, PatFrag opnode> {
552 def rr : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS),
553 IIC_iALUr, opc, "\t$dst, $LHS, $RHS",
554 [(set GPR:$dst, (opnode GPR:$LHS, GPR:$RHS))]>,
555 Requires<[IsARM, HasV6]> {
556 let Inst{11-10} = 0b00;
558 def rr_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS,
560 IIC_iALUsi, opc, "\t$dst, $LHS, $RHS, ror $rot",
561 [(set GPR:$dst, (opnode GPR:$LHS,
562 (rotr GPR:$RHS, rot_imm:$rot)))]>,
563 Requires<[IsARM, HasV6]>;
566 // For disassembly only.
567 multiclass AI_bin_rrot_np<bits<8> opcod, string opc> {
568 def rr : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS),
569 IIC_iALUr, opc, "\t$dst, $LHS, $RHS",
570 [/* For disassembly only; pattern left blank */]>,
571 Requires<[IsARM, HasV6]> {
572 let Inst{11-10} = 0b00;
574 def rr_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS,
576 IIC_iALUsi, opc, "\t$dst, $LHS, $RHS, ror $rot",
577 [/* For disassembly only; pattern left blank */]>,
578 Requires<[IsARM, HasV6]>;
581 /// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
582 let Uses = [CPSR] in {
583 multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode,
584 bit Commutable = 0> {
585 def ri : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
586 DPFrm, IIC_iALUi, opc, "\t$dst, $a, $b",
587 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]>,
591 def rr : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
592 DPFrm, IIC_iALUr, opc, "\t$dst, $a, $b",
593 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]>,
595 let isCommutable = Commutable;
596 let Inst{11-4} = 0b00000000;
599 def rs : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
600 DPSoRegFrm, IIC_iALUsr, opc, "\t$dst, $a, $b",
601 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]>,
606 // Carry setting variants
607 let Defs = [CPSR] in {
608 multiclass AI1_adde_sube_s_irs<bits<4> opcod, string opc, PatFrag opnode,
609 bit Commutable = 0> {
610 def Sri : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
611 DPFrm, IIC_iALUi, !strconcat(opc, "\t$dst, $a, $b"),
612 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]>,
617 def Srr : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
618 DPFrm, IIC_iALUr, !strconcat(opc, "\t$dst, $a, $b"),
619 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]>,
621 let Inst{11-4} = 0b00000000;
625 def Srs : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
626 DPSoRegFrm, IIC_iALUsr, !strconcat(opc, "\t$dst, $a, $b"),
627 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]>,
636 //===----------------------------------------------------------------------===//
638 //===----------------------------------------------------------------------===//
640 //===----------------------------------------------------------------------===//
641 // Miscellaneous Instructions.
644 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
645 /// the function. The first operand is the ID# for this instruction, the second
646 /// is the index into the MachineConstantPool that this is, the third is the
647 /// size in bytes of this constant pool entry.
648 let neverHasSideEffects = 1, isNotDuplicable = 1 in
649 def CONSTPOOL_ENTRY :
650 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
651 i32imm:$size), NoItinerary,
652 "${instid:label} ${cpidx:cpentry}", []>;
654 // FIXME: Marking these as hasSideEffects is necessary to prevent machine DCE
655 // from removing one half of the matched pairs. That breaks PEI, which assumes
656 // these will always be in pairs, and asserts if it finds otherwise. Better way?
657 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
659 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary,
660 "@ ADJCALLSTACKUP $amt1",
661 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
663 def ADJCALLSTACKDOWN :
664 PseudoInst<(outs), (ins i32imm:$amt, pred:$p), NoItinerary,
665 "@ ADJCALLSTACKDOWN $amt",
666 [(ARMcallseq_start timm:$amt)]>;
669 def NOP : AI<(outs), (ins), MiscFrm, NoItinerary, "nop", "",
670 [/* For disassembly only; pattern left blank */]>,
671 Requires<[IsARM, HasV6T2]> {
672 let Inst{27-16} = 0b001100100000;
673 let Inst{7-0} = 0b00000000;
676 def YIELD : AI<(outs), (ins), MiscFrm, NoItinerary, "yield", "",
677 [/* For disassembly only; pattern left blank */]>,
678 Requires<[IsARM, HasV6T2]> {
679 let Inst{27-16} = 0b001100100000;
680 let Inst{7-0} = 0b00000001;
683 def WFE : AI<(outs), (ins), MiscFrm, NoItinerary, "wfe", "",
684 [/* For disassembly only; pattern left blank */]>,
685 Requires<[IsARM, HasV6T2]> {
686 let Inst{27-16} = 0b001100100000;
687 let Inst{7-0} = 0b00000010;
690 def WFI : AI<(outs), (ins), MiscFrm, NoItinerary, "wfi", "",
691 [/* For disassembly only; pattern left blank */]>,
692 Requires<[IsARM, HasV6T2]> {
693 let Inst{27-16} = 0b001100100000;
694 let Inst{7-0} = 0b00000011;
697 def SEL : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm, NoItinerary, "sel",
699 [/* For disassembly only; pattern left blank */]>,
700 Requires<[IsARM, HasV6]> {
701 let Inst{27-20} = 0b01101000;
702 let Inst{7-4} = 0b1011;
705 def SEV : AI<(outs), (ins), MiscFrm, NoItinerary, "sev", "",
706 [/* For disassembly only; pattern left blank */]>,
707 Requires<[IsARM, HasV6T2]> {
708 let Inst{27-16} = 0b001100100000;
709 let Inst{7-0} = 0b00000100;
712 // The i32imm operand $val can be used by a debugger to store more information
713 // about the breakpoint.
714 def BKPT : AI<(outs), (ins i32imm:$val), MiscFrm, NoItinerary, "bkpt", "\t$val",
715 [/* For disassembly only; pattern left blank */]>,
717 let Inst{27-20} = 0b00010010;
718 let Inst{7-4} = 0b0111;
721 // Change Processor State is a system instruction -- for disassembly only.
722 // The singleton $opt operand contains the following information:
723 // opt{4-0} = mode from Inst{4-0}
724 // opt{5} = changemode from Inst{17}
725 // opt{8-6} = AIF from Inst{8-6}
726 // opt{10-9} = imod from Inst{19-18} with 0b10 as enable and 0b11 as disable
727 def CPS : AXI<(outs), (ins cps_opt:$opt), MiscFrm, NoItinerary, "cps$opt",
728 [/* For disassembly only; pattern left blank */]>,
730 let Inst{31-28} = 0b1111;
731 let Inst{27-20} = 0b00010000;
736 // Preload signals the memory system of possible future data/instruction access.
737 // These are for disassembly only.
739 // A8.6.117, A8.6.118. Different instructions are generated for #0 and #-0.
740 // The neg_zero operand translates -0 to -1, -1 to -2, ..., etc.
741 multiclass APreLoad<bit data, bit read, string opc> {
743 def i : AXI<(outs), (ins GPR:$base, neg_zero:$imm), MiscFrm, NoItinerary,
744 !strconcat(opc, "\t[$base, $imm]"), []> {
745 let Inst{31-26} = 0b111101;
746 let Inst{25} = 0; // 0 for immediate form
749 let Inst{21-20} = 0b01;
752 def r : AXI<(outs), (ins addrmode2:$addr), MiscFrm, NoItinerary,
753 !strconcat(opc, "\t$addr"), []> {
754 let Inst{31-26} = 0b111101;
755 let Inst{25} = 1; // 1 for register form
758 let Inst{21-20} = 0b01;
763 defm PLD : APreLoad<1, 1, "pld">;
764 defm PLDW : APreLoad<1, 0, "pldw">;
765 defm PLI : APreLoad<0, 1, "pli">;
767 def SETENDBE : AXI<(outs),(ins), MiscFrm, NoItinerary, "setend\tbe",
768 [/* For disassembly only; pattern left blank */]>,
770 let Inst{31-28} = 0b1111;
771 let Inst{27-20} = 0b00010000;
774 let Inst{7-4} = 0b0000;
777 def SETENDLE : AXI<(outs),(ins), MiscFrm, NoItinerary, "setend\tle",
778 [/* For disassembly only; pattern left blank */]>,
780 let Inst{31-28} = 0b1111;
781 let Inst{27-20} = 0b00010000;
784 let Inst{7-4} = 0b0000;
787 def DBG : AI<(outs), (ins i32imm:$opt), MiscFrm, NoItinerary, "dbg", "\t$opt",
788 [/* For disassembly only; pattern left blank */]>,
789 Requires<[IsARM, HasV7]> {
790 let Inst{27-16} = 0b001100100000;
791 let Inst{7-4} = 0b1111;
794 // A5.4 Permanently UNDEFINED instructions.
795 def TRAP : AI<(outs), (ins), MiscFrm, NoItinerary, "trap", "",
796 [/* For disassembly only; pattern left blank */]>,
798 let Inst{27-25} = 0b011;
799 let Inst{24-20} = 0b11111;
800 let Inst{7-5} = 0b111;
804 // Address computation and loads and stores in PIC mode.
805 let isNotDuplicable = 1 in {
806 def PICADD : AXI1<0b0100, (outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
807 Pseudo, IIC_iALUr, "\n$cp:\n\tadd$p\t$dst, pc, $a",
808 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
810 let AddedComplexity = 10 in {
811 def PICLDR : AXI2ldw<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
812 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldr$p\t$dst, $addr",
813 [(set GPR:$dst, (load addrmodepc:$addr))]>;
815 def PICLDRH : AXI3ldh<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
816 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldrh${p}\t$dst, $addr",
817 [(set GPR:$dst, (zextloadi16 addrmodepc:$addr))]>;
819 def PICLDRB : AXI2ldb<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
820 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldrb${p}\t$dst, $addr",
821 [(set GPR:$dst, (zextloadi8 addrmodepc:$addr))]>;
823 def PICLDRSH : AXI3ldsh<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
824 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldrsh${p}\t$dst, $addr",
825 [(set GPR:$dst, (sextloadi16 addrmodepc:$addr))]>;
827 def PICLDRSB : AXI3ldsb<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
828 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldrsb${p}\t$dst, $addr",
829 [(set GPR:$dst, (sextloadi8 addrmodepc:$addr))]>;
831 let AddedComplexity = 10 in {
832 def PICSTR : AXI2stw<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
833 Pseudo, IIC_iStorer, "\n${addr:label}:\n\tstr$p\t$src, $addr",
834 [(store GPR:$src, addrmodepc:$addr)]>;
836 def PICSTRH : AXI3sth<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
837 Pseudo, IIC_iStorer, "\n${addr:label}:\n\tstrh${p}\t$src, $addr",
838 [(truncstorei16 GPR:$src, addrmodepc:$addr)]>;
840 def PICSTRB : AXI2stb<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
841 Pseudo, IIC_iStorer, "\n${addr:label}:\n\tstrb${p}\t$src, $addr",
842 [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
844 } // isNotDuplicable = 1
847 // LEApcrel - Load a pc-relative address into a register without offending the
849 def LEApcrel : AXI1<0x0, (outs GPR:$dst), (ins i32imm:$label, pred:$p),
851 !strconcat(!strconcat(".set ${:private}PCRELV${:uid}, ($label-(",
852 "${:private}PCRELL${:uid}+8))\n"),
853 !strconcat("${:private}PCRELL${:uid}:\n\t",
854 "add$p\t$dst, pc, #${:private}PCRELV${:uid}")),
857 def LEApcrelJT : AXI1<0x0, (outs GPR:$dst),
858 (ins i32imm:$label, nohash_imm:$id, pred:$p),
860 !strconcat(!strconcat(".set ${:private}PCRELV${:uid}, "
862 "${:private}PCRELL${:uid}+8))\n"),
863 !strconcat("${:private}PCRELL${:uid}:\n\t",
864 "add$p\t$dst, pc, #${:private}PCRELV${:uid}")),
869 //===----------------------------------------------------------------------===//
870 // Control Flow Instructions.
873 let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
875 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
876 "bx", "\tlr", [(ARMretflag)]>,
877 Requires<[IsARM, HasV4T]> {
878 let Inst{3-0} = 0b1110;
879 let Inst{7-4} = 0b0001;
880 let Inst{19-8} = 0b111111111111;
881 let Inst{27-20} = 0b00010010;
885 def MOVPCLR : AI<(outs), (ins), BrMiscFrm, IIC_Br,
886 "mov", "\tpc, lr", [(ARMretflag)]>,
887 Requires<[IsARM, NoV4T]> {
888 let Inst{11-0} = 0b000000001110;
889 let Inst{15-12} = 0b1111;
890 let Inst{19-16} = 0b0000;
891 let Inst{27-20} = 0b00011010;
896 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
898 def BRIND : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
900 Requires<[IsARM, HasV4T]> {
901 let Inst{7-4} = 0b0001;
902 let Inst{19-8} = 0b111111111111;
903 let Inst{27-20} = 0b00010010;
904 let Inst{31-28} = 0b1110;
908 def MOVPCRX : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "mov\tpc, $dst",
910 Requires<[IsARM, NoV4T]> {
911 let Inst{11-4} = 0b00000000;
912 let Inst{15-12} = 0b1111;
913 let Inst{19-16} = 0b0000;
914 let Inst{27-20} = 0b00011010;
915 let Inst{31-28} = 0b1110;
919 // FIXME: remove when we have a way to marking a MI with these properties.
920 // FIXME: Should pc be an implicit operand like PICADD, etc?
921 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
922 hasExtraDefRegAllocReq = 1 in
923 def LDM_RET : AXI4ld<(outs GPR:$wb), (ins addrmode4:$addr, pred:$p,
924 reglist:$dsts, variable_ops),
925 IndexModeUpd, LdStMulFrm, IIC_Br,
926 "ldm${addr:submode}${p}\t$addr!, $dsts",
927 "$addr.addr = $wb", []>;
929 // On non-Darwin platforms R9 is callee-saved.
931 Defs = [R0, R1, R2, R3, R12, LR,
932 D0, D1, D2, D3, D4, D5, D6, D7,
933 D16, D17, D18, D19, D20, D21, D22, D23,
934 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR] in {
935 def BL : ABXI<0b1011, (outs), (ins i32imm:$func, variable_ops),
936 IIC_Br, "bl\t${func:call}",
937 [(ARMcall tglobaladdr:$func)]>,
938 Requires<[IsARM, IsNotDarwin]> {
939 let Inst{31-28} = 0b1110;
942 def BL_pred : ABI<0b1011, (outs), (ins i32imm:$func, variable_ops),
943 IIC_Br, "bl", "\t${func:call}",
944 [(ARMcall_pred tglobaladdr:$func)]>,
945 Requires<[IsARM, IsNotDarwin]>;
948 def BLX : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
949 IIC_Br, "blx\t$func",
950 [(ARMcall GPR:$func)]>,
951 Requires<[IsARM, HasV5T, IsNotDarwin]> {
952 let Inst{7-4} = 0b0011;
953 let Inst{19-8} = 0b111111111111;
954 let Inst{27-20} = 0b00010010;
958 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
959 def BX : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
960 IIC_Br, "mov\tlr, pc\n\tbx\t$func",
961 [(ARMcall_nolink tGPR:$func)]>,
962 Requires<[IsARM, HasV4T, IsNotDarwin]> {
963 let Inst{7-4} = 0b0001;
964 let Inst{19-8} = 0b111111111111;
965 let Inst{27-20} = 0b00010010;
969 def BMOVPCRX : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
970 IIC_Br, "mov\tlr, pc\n\tmov\tpc, $func",
971 [(ARMcall_nolink tGPR:$func)]>,
972 Requires<[IsARM, NoV4T, IsNotDarwin]> {
973 let Inst{11-4} = 0b00000000;
974 let Inst{15-12} = 0b1111;
975 let Inst{19-16} = 0b0000;
976 let Inst{27-20} = 0b00011010;
980 // On Darwin R9 is call-clobbered.
982 Defs = [R0, R1, R2, R3, R9, R12, LR,
983 D0, D1, D2, D3, D4, D5, D6, D7,
984 D16, D17, D18, D19, D20, D21, D22, D23,
985 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR] in {
986 def BLr9 : ABXI<0b1011, (outs), (ins i32imm:$func, variable_ops),
987 IIC_Br, "bl\t${func:call}",
988 [(ARMcall tglobaladdr:$func)]>, Requires<[IsARM, IsDarwin]> {
989 let Inst{31-28} = 0b1110;
992 def BLr9_pred : ABI<0b1011, (outs), (ins i32imm:$func, variable_ops),
993 IIC_Br, "bl", "\t${func:call}",
994 [(ARMcall_pred tglobaladdr:$func)]>,
995 Requires<[IsARM, IsDarwin]>;
998 def BLXr9 : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
999 IIC_Br, "blx\t$func",
1000 [(ARMcall GPR:$func)]>, Requires<[IsARM, HasV5T, IsDarwin]> {
1001 let Inst{7-4} = 0b0011;
1002 let Inst{19-8} = 0b111111111111;
1003 let Inst{27-20} = 0b00010010;
1007 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1008 def BXr9 : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1009 IIC_Br, "mov\tlr, pc\n\tbx\t$func",
1010 [(ARMcall_nolink tGPR:$func)]>,
1011 Requires<[IsARM, HasV4T, IsDarwin]> {
1012 let Inst{7-4} = 0b0001;
1013 let Inst{19-8} = 0b111111111111;
1014 let Inst{27-20} = 0b00010010;
1018 def BMOVPCRXr9 : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1019 IIC_Br, "mov\tlr, pc\n\tmov\tpc, $func",
1020 [(ARMcall_nolink tGPR:$func)]>,
1021 Requires<[IsARM, NoV4T, IsDarwin]> {
1022 let Inst{11-4} = 0b00000000;
1023 let Inst{15-12} = 0b1111;
1024 let Inst{19-16} = 0b0000;
1025 let Inst{27-20} = 0b00011010;
1029 let isBranch = 1, isTerminator = 1 in {
1030 // B is "predicable" since it can be xformed into a Bcc.
1031 let isBarrier = 1 in {
1032 let isPredicable = 1 in
1033 def B : ABXI<0b1010, (outs), (ins brtarget:$target), IIC_Br,
1034 "b\t$target", [(br bb:$target)]>;
1036 let isNotDuplicable = 1, isIndirectBranch = 1 in {
1037 def BR_JTr : JTI<(outs), (ins GPR:$target, jtblock_operand:$jt, i32imm:$id),
1038 IIC_Br, "mov\tpc, $target \n$jt",
1039 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]> {
1040 let Inst{11-4} = 0b00000000;
1041 let Inst{15-12} = 0b1111;
1042 let Inst{20} = 0; // S Bit
1043 let Inst{24-21} = 0b1101;
1044 let Inst{27-25} = 0b000;
1046 def BR_JTm : JTI<(outs),
1047 (ins addrmode2:$target, jtblock_operand:$jt, i32imm:$id),
1048 IIC_Br, "ldr\tpc, $target \n$jt",
1049 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
1051 let Inst{15-12} = 0b1111;
1052 let Inst{20} = 1; // L bit
1053 let Inst{21} = 0; // W bit
1054 let Inst{22} = 0; // B bit
1055 let Inst{24} = 1; // P bit
1056 let Inst{27-25} = 0b011;
1058 def BR_JTadd : JTI<(outs),
1059 (ins GPR:$target, GPR:$idx, jtblock_operand:$jt, i32imm:$id),
1060 IIC_Br, "add\tpc, $target, $idx \n$jt",
1061 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
1063 let Inst{15-12} = 0b1111;
1064 let Inst{20} = 0; // S bit
1065 let Inst{24-21} = 0b0100;
1066 let Inst{27-25} = 0b000;
1068 } // isNotDuplicable = 1, isIndirectBranch = 1
1071 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
1072 // a two-value operand where a dag node expects two operands. :(
1073 def Bcc : ABI<0b1010, (outs), (ins brtarget:$target),
1074 IIC_Br, "b", "\t$target",
1075 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]>;
1078 // Branch and Exchange Jazelle -- for disassembly only
1079 def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
1080 [/* For disassembly only; pattern left blank */]> {
1081 let Inst{23-20} = 0b0010;
1082 //let Inst{19-8} = 0xfff;
1083 let Inst{7-4} = 0b0010;
1086 // Secure Monitor Call is a system instruction -- for disassembly only
1087 def SMC : ABI<0b0001, (outs), (ins i32imm:$opt), NoItinerary, "smc", "\t$opt",
1088 [/* For disassembly only; pattern left blank */]> {
1089 let Inst{23-20} = 0b0110;
1090 let Inst{7-4} = 0b0111;
1093 // Supervisor Call (Software Interrupt) -- for disassembly only
1095 def SVC : ABI<0b1111, (outs), (ins i32imm:$svc), IIC_Br, "svc", "\t$svc",
1096 [/* For disassembly only; pattern left blank */]>;
1099 // Store Return State is a system instruction -- for disassembly only
1100 def SRSW : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, i32imm:$mode),
1101 NoItinerary, "srs${addr:submode}\tsp!, $mode",
1102 [/* For disassembly only; pattern left blank */]> {
1103 let Inst{31-28} = 0b1111;
1104 let Inst{22-20} = 0b110; // W = 1
1107 def SRS : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, i32imm:$mode),
1108 NoItinerary, "srs${addr:submode}\tsp, $mode",
1109 [/* For disassembly only; pattern left blank */]> {
1110 let Inst{31-28} = 0b1111;
1111 let Inst{22-20} = 0b100; // W = 0
1114 // Return From Exception is a system instruction -- for disassembly only
1115 def RFEW : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, GPR:$base),
1116 NoItinerary, "rfe${addr:submode}\t$base!",
1117 [/* For disassembly only; pattern left blank */]> {
1118 let Inst{31-28} = 0b1111;
1119 let Inst{22-20} = 0b011; // W = 1
1122 def RFE : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, GPR:$base),
1123 NoItinerary, "rfe${addr:submode}\t$base",
1124 [/* For disassembly only; pattern left blank */]> {
1125 let Inst{31-28} = 0b1111;
1126 let Inst{22-20} = 0b001; // W = 0
1129 //===----------------------------------------------------------------------===//
1130 // Load / store Instructions.
1134 let canFoldAsLoad = 1, isReMaterializable = 1 in
1135 def LDR : AI2ldw<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm, IIC_iLoadr,
1136 "ldr", "\t$dst, $addr",
1137 [(set GPR:$dst, (load addrmode2:$addr))]>;
1139 // Special LDR for loads from non-pc-relative constpools.
1140 let canFoldAsLoad = 1, mayLoad = 1, isReMaterializable = 1 in
1141 def LDRcp : AI2ldw<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm, IIC_iLoadr,
1142 "ldr", "\t$dst, $addr", []>;
1144 // Loads with zero extension
1145 def LDRH : AI3ldh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
1146 IIC_iLoadr, "ldrh", "\t$dst, $addr",
1147 [(set GPR:$dst, (zextloadi16 addrmode3:$addr))]>;
1149 def LDRB : AI2ldb<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm,
1150 IIC_iLoadr, "ldrb", "\t$dst, $addr",
1151 [(set GPR:$dst, (zextloadi8 addrmode2:$addr))]>;
1153 // Loads with sign extension
1154 def LDRSH : AI3ldsh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
1155 IIC_iLoadr, "ldrsh", "\t$dst, $addr",
1156 [(set GPR:$dst, (sextloadi16 addrmode3:$addr))]>;
1158 def LDRSB : AI3ldsb<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
1159 IIC_iLoadr, "ldrsb", "\t$dst, $addr",
1160 [(set GPR:$dst, (sextloadi8 addrmode3:$addr))]>;
1162 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in {
1164 def LDRD : AI3ldd<(outs GPR:$dst1, GPR:$dst2), (ins addrmode3:$addr), LdMiscFrm,
1165 IIC_iLoadr, "ldrd", "\t$dst1, $addr",
1166 []>, Requires<[IsARM, HasV5TE]>;
1169 def LDR_PRE : AI2ldwpr<(outs GPR:$dst, GPR:$base_wb),
1170 (ins addrmode2:$addr), LdFrm, IIC_iLoadru,
1171 "ldr", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1173 def LDR_POST : AI2ldwpo<(outs GPR:$dst, GPR:$base_wb),
1174 (ins GPR:$base, am2offset:$offset), LdFrm, IIC_iLoadru,
1175 "ldr", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1177 def LDRH_PRE : AI3ldhpr<(outs GPR:$dst, GPR:$base_wb),
1178 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadru,
1179 "ldrh", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1181 def LDRH_POST : AI3ldhpo<(outs GPR:$dst, GPR:$base_wb),
1182 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1183 "ldrh", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1185 def LDRB_PRE : AI2ldbpr<(outs GPR:$dst, GPR:$base_wb),
1186 (ins addrmode2:$addr), LdFrm, IIC_iLoadru,
1187 "ldrb", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1189 def LDRB_POST : AI2ldbpo<(outs GPR:$dst, GPR:$base_wb),
1190 (ins GPR:$base,am2offset:$offset), LdFrm, IIC_iLoadru,
1191 "ldrb", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1193 def LDRSH_PRE : AI3ldshpr<(outs GPR:$dst, GPR:$base_wb),
1194 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadru,
1195 "ldrsh", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1197 def LDRSH_POST: AI3ldshpo<(outs GPR:$dst, GPR:$base_wb),
1198 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1199 "ldrsh", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1201 def LDRSB_PRE : AI3ldsbpr<(outs GPR:$dst, GPR:$base_wb),
1202 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadru,
1203 "ldrsb", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1205 def LDRSB_POST: AI3ldsbpo<(outs GPR:$dst, GPR:$base_wb),
1206 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1207 "ldrsb", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1209 // For disassembly only
1210 def LDRD_PRE : AI3lddpr<(outs GPR:$dst1, GPR:$dst2, GPR:$base_wb),
1211 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadr,
1212 "ldrd", "\t$dst1, $dst2, $addr!", "$addr.base = $base_wb", []>,
1213 Requires<[IsARM, HasV5TE]>;
1215 // For disassembly only
1216 def LDRD_POST : AI3lddpo<(outs GPR:$dst1, GPR:$dst2, GPR:$base_wb),
1217 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadr,
1218 "ldrd", "\t$dst1, $dst2, [$base], $offset", "$base = $base_wb", []>,
1219 Requires<[IsARM, HasV5TE]>;
1223 // LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT are for disassembly only.
1225 def LDRT : AI2ldwpo<(outs GPR:$dst, GPR:$base_wb),
1226 (ins GPR:$base, am2offset:$offset), LdFrm, IIC_iLoadru,
1227 "ldrt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1228 let Inst{21} = 1; // overwrite
1231 def LDRBT : AI2ldbpo<(outs GPR:$dst, GPR:$base_wb),
1232 (ins GPR:$base,am2offset:$offset), LdFrm, IIC_iLoadru,
1233 "ldrbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1234 let Inst{21} = 1; // overwrite
1237 def LDRSBT : AI3ldsbpo<(outs GPR:$dst, GPR:$base_wb),
1238 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1239 "ldrsbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1240 let Inst{21} = 1; // overwrite
1243 def LDRHT : AI3ldhpo<(outs GPR:$dst, GPR:$base_wb),
1244 (ins GPR:$base, am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1245 "ldrht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1246 let Inst{21} = 1; // overwrite
1249 def LDRSHT : AI3ldshpo<(outs GPR:$dst, GPR:$base_wb),
1250 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1251 "ldrsht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1252 let Inst{21} = 1; // overwrite
1256 def STR : AI2stw<(outs), (ins GPR:$src, addrmode2:$addr), StFrm, IIC_iStorer,
1257 "str", "\t$src, $addr",
1258 [(store GPR:$src, addrmode2:$addr)]>;
1260 // Stores with truncate
1261 def STRH : AI3sth<(outs), (ins GPR:$src, addrmode3:$addr), StMiscFrm,
1262 IIC_iStorer, "strh", "\t$src, $addr",
1263 [(truncstorei16 GPR:$src, addrmode3:$addr)]>;
1265 def STRB : AI2stb<(outs), (ins GPR:$src, addrmode2:$addr), StFrm, IIC_iStorer,
1266 "strb", "\t$src, $addr",
1267 [(truncstorei8 GPR:$src, addrmode2:$addr)]>;
1270 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
1271 def STRD : AI3std<(outs), (ins GPR:$src1, GPR:$src2, addrmode3:$addr),
1272 StMiscFrm, IIC_iStorer,
1273 "strd", "\t$src1, $addr", []>, Requires<[IsARM, HasV5TE]>;
1276 def STR_PRE : AI2stwpr<(outs GPR:$base_wb),
1277 (ins GPR:$src, GPR:$base, am2offset:$offset),
1278 StFrm, IIC_iStoreru,
1279 "str", "\t$src, [$base, $offset]!", "$base = $base_wb",
1281 (pre_store GPR:$src, GPR:$base, am2offset:$offset))]>;
1283 def STR_POST : AI2stwpo<(outs GPR:$base_wb),
1284 (ins GPR:$src, GPR:$base,am2offset:$offset),
1285 StFrm, IIC_iStoreru,
1286 "str", "\t$src, [$base], $offset", "$base = $base_wb",
1288 (post_store GPR:$src, GPR:$base, am2offset:$offset))]>;
1290 def STRH_PRE : AI3sthpr<(outs GPR:$base_wb),
1291 (ins GPR:$src, GPR:$base,am3offset:$offset),
1292 StMiscFrm, IIC_iStoreru,
1293 "strh", "\t$src, [$base, $offset]!", "$base = $base_wb",
1295 (pre_truncsti16 GPR:$src, GPR:$base,am3offset:$offset))]>;
1297 def STRH_POST: AI3sthpo<(outs GPR:$base_wb),
1298 (ins GPR:$src, GPR:$base,am3offset:$offset),
1299 StMiscFrm, IIC_iStoreru,
1300 "strh", "\t$src, [$base], $offset", "$base = $base_wb",
1301 [(set GPR:$base_wb, (post_truncsti16 GPR:$src,
1302 GPR:$base, am3offset:$offset))]>;
1304 def STRB_PRE : AI2stbpr<(outs GPR:$base_wb),
1305 (ins GPR:$src, GPR:$base,am2offset:$offset),
1306 StFrm, IIC_iStoreru,
1307 "strb", "\t$src, [$base, $offset]!", "$base = $base_wb",
1308 [(set GPR:$base_wb, (pre_truncsti8 GPR:$src,
1309 GPR:$base, am2offset:$offset))]>;
1311 def STRB_POST: AI2stbpo<(outs GPR:$base_wb),
1312 (ins GPR:$src, GPR:$base,am2offset:$offset),
1313 StFrm, IIC_iStoreru,
1314 "strb", "\t$src, [$base], $offset", "$base = $base_wb",
1315 [(set GPR:$base_wb, (post_truncsti8 GPR:$src,
1316 GPR:$base, am2offset:$offset))]>;
1318 // For disassembly only
1319 def STRD_PRE : AI3stdpr<(outs GPR:$base_wb),
1320 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1321 StMiscFrm, IIC_iStoreru,
1322 "strd", "\t$src1, $src2, [$base, $offset]!",
1323 "$base = $base_wb", []>;
1325 // For disassembly only
1326 def STRD_POST: AI3stdpo<(outs GPR:$base_wb),
1327 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1328 StMiscFrm, IIC_iStoreru,
1329 "strd", "\t$src1, $src2, [$base], $offset",
1330 "$base = $base_wb", []>;
1332 // STRT, STRBT, and STRHT are for disassembly only.
1334 def STRT : AI2stwpo<(outs GPR:$base_wb),
1335 (ins GPR:$src, GPR:$base,am2offset:$offset),
1336 StFrm, IIC_iStoreru,
1337 "strt", "\t$src, [$base], $offset", "$base = $base_wb",
1338 [/* For disassembly only; pattern left blank */]> {
1339 let Inst{21} = 1; // overwrite
1342 def STRBT : AI2stbpo<(outs GPR:$base_wb),
1343 (ins GPR:$src, GPR:$base,am2offset:$offset),
1344 StFrm, IIC_iStoreru,
1345 "strbt", "\t$src, [$base], $offset", "$base = $base_wb",
1346 [/* For disassembly only; pattern left blank */]> {
1347 let Inst{21} = 1; // overwrite
1350 def STRHT: AI3sthpo<(outs GPR:$base_wb),
1351 (ins GPR:$src, GPR:$base,am3offset:$offset),
1352 StMiscFrm, IIC_iStoreru,
1353 "strht", "\t$src, [$base], $offset", "$base = $base_wb",
1354 [/* For disassembly only; pattern left blank */]> {
1355 let Inst{21} = 1; // overwrite
1358 //===----------------------------------------------------------------------===//
1359 // Load / store multiple Instructions.
1362 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in {
1363 def LDM : AXI4ld<(outs), (ins addrmode4:$addr, pred:$p,
1364 reglist:$dsts, variable_ops),
1365 IndexModeNone, LdStMulFrm, IIC_iLoadm,
1366 "ldm${addr:submode}${p}\t$addr, $dsts", "", []>;
1368 def LDM_UPD : AXI4ld<(outs GPR:$wb), (ins addrmode4:$addr, pred:$p,
1369 reglist:$dsts, variable_ops),
1370 IndexModeUpd, LdStMulFrm, IIC_iLoadm,
1371 "ldm${addr:submode}${p}\t$addr!, $dsts",
1372 "$addr.addr = $wb", []>;
1373 } // mayLoad, hasExtraDefRegAllocReq
1375 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in {
1376 def STM : AXI4st<(outs), (ins addrmode4:$addr, pred:$p,
1377 reglist:$srcs, variable_ops),
1378 IndexModeNone, LdStMulFrm, IIC_iStorem,
1379 "stm${addr:submode}${p}\t$addr, $srcs", "", []>;
1381 def STM_UPD : AXI4st<(outs GPR:$wb), (ins addrmode4:$addr, pred:$p,
1382 reglist:$srcs, variable_ops),
1383 IndexModeUpd, LdStMulFrm, IIC_iStorem,
1384 "stm${addr:submode}${p}\t$addr!, $srcs",
1385 "$addr.addr = $wb", []>;
1386 } // mayStore, hasExtraSrcRegAllocReq
1388 //===----------------------------------------------------------------------===//
1389 // Move Instructions.
1392 let neverHasSideEffects = 1 in
1393 def MOVr : AsI1<0b1101, (outs GPR:$dst), (ins GPR:$src), DPFrm, IIC_iMOVr,
1394 "mov", "\t$dst, $src", []>, UnaryDP {
1395 let Inst{11-4} = 0b00000000;
1399 def MOVs : AsI1<0b1101, (outs GPR:$dst), (ins so_reg:$src),
1400 DPSoRegFrm, IIC_iMOVsr,
1401 "mov", "\t$dst, $src", [(set GPR:$dst, so_reg:$src)]>, UnaryDP {
1405 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
1406 def MOVi : AsI1<0b1101, (outs GPR:$dst), (ins so_imm:$src), DPFrm, IIC_iMOVi,
1407 "mov", "\t$dst, $src", [(set GPR:$dst, so_imm:$src)]>, UnaryDP {
1411 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
1412 def MOVi16 : AI1<0b1000, (outs GPR:$dst), (ins i32imm:$src),
1414 "movw", "\t$dst, $src",
1415 [(set GPR:$dst, imm0_65535:$src)]>,
1416 Requires<[IsARM, HasV6T2]>, UnaryDP {
1421 let Constraints = "$src = $dst" in
1422 def MOVTi16 : AI1<0b1010, (outs GPR:$dst), (ins GPR:$src, i32imm:$imm),
1424 "movt", "\t$dst, $imm",
1426 (or (and GPR:$src, 0xffff),
1427 lo16AllZero:$imm))]>, UnaryDP,
1428 Requires<[IsARM, HasV6T2]> {
1433 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
1434 Requires<[IsARM, HasV6T2]>;
1436 let Uses = [CPSR] in
1437 def MOVrx : AsI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo, IIC_iMOVsi,
1438 "mov", "\t$dst, $src, rrx",
1439 [(set GPR:$dst, (ARMrrx GPR:$src))]>, UnaryDP;
1441 // These aren't really mov instructions, but we have to define them this way
1442 // due to flag operands.
1444 let Defs = [CPSR] in {
1445 def MOVsrl_flag : AI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo,
1446 IIC_iMOVsi, "movs", "\t$dst, $src, lsr #1",
1447 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP;
1448 def MOVsra_flag : AI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo,
1449 IIC_iMOVsi, "movs", "\t$dst, $src, asr #1",
1450 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP;
1453 //===----------------------------------------------------------------------===//
1454 // Extend Instructions.
1459 defm SXTB : AI_unary_rrot<0b01101010,
1460 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
1461 defm SXTH : AI_unary_rrot<0b01101011,
1462 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
1464 defm SXTAB : AI_bin_rrot<0b01101010,
1465 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
1466 defm SXTAH : AI_bin_rrot<0b01101011,
1467 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
1469 // For disassembly only
1470 defm SXTB16 : AI_unary_rrot_np<0b01101000, "sxtb16">;
1472 // For disassembly only
1473 defm SXTAB16 : AI_bin_rrot_np<0b01101000, "sxtab16">;
1477 let AddedComplexity = 16 in {
1478 defm UXTB : AI_unary_rrot<0b01101110,
1479 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
1480 defm UXTH : AI_unary_rrot<0b01101111,
1481 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
1482 defm UXTB16 : AI_unary_rrot<0b01101100,
1483 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
1485 def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
1486 (UXTB16r_rot GPR:$Src, 24)>;
1487 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
1488 (UXTB16r_rot GPR:$Src, 8)>;
1490 defm UXTAB : AI_bin_rrot<0b01101110, "uxtab",
1491 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
1492 defm UXTAH : AI_bin_rrot<0b01101111, "uxtah",
1493 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
1496 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
1497 // For disassembly only
1498 defm UXTAB16 : AI_bin_rrot_np<0b01101100, "uxtab16">;
1501 def SBFX : I<(outs GPR:$dst),
1502 (ins GPR:$src, imm0_31:$lsb, imm0_31:$width),
1503 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iALUi,
1504 "sbfx", "\t$dst, $src, $lsb, $width", "", []>,
1505 Requires<[IsARM, HasV6T2]> {
1506 let Inst{27-21} = 0b0111101;
1507 let Inst{6-4} = 0b101;
1510 def UBFX : I<(outs GPR:$dst),
1511 (ins GPR:$src, imm0_31:$lsb, imm0_31:$width),
1512 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iALUi,
1513 "ubfx", "\t$dst, $src, $lsb, $width", "", []>,
1514 Requires<[IsARM, HasV6T2]> {
1515 let Inst{27-21} = 0b0111111;
1516 let Inst{6-4} = 0b101;
1519 //===----------------------------------------------------------------------===//
1520 // Arithmetic Instructions.
1523 defm ADD : AsI1_bin_irs<0b0100, "add",
1524 BinOpFrag<(add node:$LHS, node:$RHS)>, 1>;
1525 defm SUB : AsI1_bin_irs<0b0010, "sub",
1526 BinOpFrag<(sub node:$LHS, node:$RHS)>>;
1528 // ADD and SUB with 's' bit set.
1529 defm ADDS : AI1_bin_s_irs<0b0100, "adds",
1530 BinOpFrag<(addc node:$LHS, node:$RHS)>, 1>;
1531 defm SUBS : AI1_bin_s_irs<0b0010, "subs",
1532 BinOpFrag<(subc node:$LHS, node:$RHS)>>;
1534 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
1535 BinOpFrag<(adde_dead_carry node:$LHS, node:$RHS)>, 1>;
1536 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
1537 BinOpFrag<(sube_dead_carry node:$LHS, node:$RHS)>>;
1538 defm ADCS : AI1_adde_sube_s_irs<0b0101, "adcs",
1539 BinOpFrag<(adde_live_carry node:$LHS, node:$RHS)>, 1>;
1540 defm SBCS : AI1_adde_sube_s_irs<0b0110, "sbcs",
1541 BinOpFrag<(sube_live_carry node:$LHS, node:$RHS) >>;
1543 // These don't define reg/reg forms, because they are handled above.
1544 def RSBri : AsI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
1545 IIC_iALUi, "rsb", "\t$dst, $a, $b",
1546 [(set GPR:$dst, (sub so_imm:$b, GPR:$a))]> {
1550 def RSBrs : AsI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
1551 IIC_iALUsr, "rsb", "\t$dst, $a, $b",
1552 [(set GPR:$dst, (sub so_reg:$b, GPR:$a))]> {
1556 // RSB with 's' bit set.
1557 let Defs = [CPSR] in {
1558 def RSBSri : AI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
1559 IIC_iALUi, "rsbs", "\t$dst, $a, $b",
1560 [(set GPR:$dst, (subc so_imm:$b, GPR:$a))]> {
1564 def RSBSrs : AI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
1565 IIC_iALUsr, "rsbs", "\t$dst, $a, $b",
1566 [(set GPR:$dst, (subc so_reg:$b, GPR:$a))]> {
1572 let Uses = [CPSR] in {
1573 def RSCri : AsI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
1574 DPFrm, IIC_iALUi, "rsc", "\t$dst, $a, $b",
1575 [(set GPR:$dst, (sube_dead_carry so_imm:$b, GPR:$a))]>,
1579 def RSCrs : AsI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
1580 DPSoRegFrm, IIC_iALUsr, "rsc", "\t$dst, $a, $b",
1581 [(set GPR:$dst, (sube_dead_carry so_reg:$b, GPR:$a))]>,
1587 // FIXME: Allow these to be predicated.
1588 let Defs = [CPSR], Uses = [CPSR] in {
1589 def RSCSri : AXI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
1590 DPFrm, IIC_iALUi, "rscs\t$dst, $a, $b",
1591 [(set GPR:$dst, (sube_dead_carry so_imm:$b, GPR:$a))]>,
1596 def RSCSrs : AXI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
1597 DPSoRegFrm, IIC_iALUsr, "rscs\t$dst, $a, $b",
1598 [(set GPR:$dst, (sube_dead_carry so_reg:$b, GPR:$a))]>,
1605 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
1606 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
1607 (SUBri GPR:$src, so_imm_neg:$imm)>;
1609 //def : ARMPat<(addc GPR:$src, so_imm_neg:$imm),
1610 // (SUBSri GPR:$src, so_imm_neg:$imm)>;
1611 //def : ARMPat<(adde GPR:$src, so_imm_neg:$imm),
1612 // (SBCri GPR:$src, so_imm_neg:$imm)>;
1614 // Note: These are implemented in C++ code, because they have to generate
1615 // ADD/SUBrs instructions, which use a complex pattern that a xform function
1617 // (mul X, 2^n+1) -> (add (X << n), X)
1618 // (mul X, 2^n-1) -> (rsb X, (X << n))
1620 // ARM Arithmetic Instruction -- for disassembly only
1621 // GPR:$dst = GPR:$a op GPR:$b
1622 class AAI<bits<8> op27_20, bits<4> op7_4, string opc>
1623 : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm, IIC_iALUr,
1624 opc, "\t$dst, $a, $b",
1625 [/* For disassembly only; pattern left blank */]> {
1626 let Inst{27-20} = op27_20;
1627 let Inst{7-4} = op7_4;
1630 // Saturating add/subtract -- for disassembly only
1632 def QADD : AAI<0b00010000, 0b0101, "qadd">;
1633 def QADD16 : AAI<0b01100010, 0b0001, "qadd16">;
1634 def QADD8 : AAI<0b01100010, 0b1001, "qadd8">;
1635 def QASX : AAI<0b01100010, 0b0011, "qasx">;
1636 def QDADD : AAI<0b00010100, 0b0101, "qdadd">;
1637 def QDSUB : AAI<0b00010110, 0b0101, "qdsub">;
1638 def QSAX : AAI<0b01100010, 0b0101, "qsax">;
1639 def QSUB : AAI<0b00010010, 0b0101, "qsub">;
1640 def QSUB16 : AAI<0b01100010, 0b0111, "qsub16">;
1641 def QSUB8 : AAI<0b01100010, 0b1111, "qsub8">;
1642 def UQADD16 : AAI<0b01100110, 0b0001, "uqadd16">;
1643 def UQADD8 : AAI<0b01100110, 0b1001, "uqadd8">;
1644 def UQASX : AAI<0b01100110, 0b0011, "uqasx">;
1645 def UQSAX : AAI<0b01100110, 0b0101, "uqsax">;
1646 def UQSUB16 : AAI<0b01100110, 0b0111, "uqsub16">;
1647 def UQSUB8 : AAI<0b01100110, 0b1111, "uqsub8">;
1649 // Signed/Unsigned add/subtract -- for disassembly only
1651 def SASX : AAI<0b01100001, 0b0011, "sasx">;
1652 def SADD16 : AAI<0b01100001, 0b0001, "sadd16">;
1653 def SADD8 : AAI<0b01100001, 0b1001, "sadd8">;
1654 def SSAX : AAI<0b01100001, 0b0101, "ssax">;
1655 def SSUB16 : AAI<0b01100001, 0b0111, "ssub16">;
1656 def SSUB8 : AAI<0b01100001, 0b1111, "ssub8">;
1657 def UASX : AAI<0b01100101, 0b0011, "uasx">;
1658 def UADD16 : AAI<0b01100101, 0b0001, "uadd16">;
1659 def UADD8 : AAI<0b01100101, 0b1001, "uadd8">;
1660 def USAX : AAI<0b01100101, 0b0101, "usax">;
1661 def USUB16 : AAI<0b01100101, 0b0111, "usub16">;
1662 def USUB8 : AAI<0b01100101, 0b1111, "usub8">;
1664 // Signed/Unsigned halving add/subtract -- for disassembly only
1666 def SHASX : AAI<0b01100011, 0b0011, "shasx">;
1667 def SHADD16 : AAI<0b01100011, 0b0001, "shadd16">;
1668 def SHADD8 : AAI<0b01100011, 0b1001, "shadd8">;
1669 def SHSAX : AAI<0b01100011, 0b0101, "shsax">;
1670 def SHSUB16 : AAI<0b01100011, 0b0111, "shsub16">;
1671 def SHSUB8 : AAI<0b01100011, 0b1111, "shsub8">;
1672 def UHASX : AAI<0b01100111, 0b0011, "uhasx">;
1673 def UHADD16 : AAI<0b01100111, 0b0001, "uhadd16">;
1674 def UHADD8 : AAI<0b01100111, 0b1001, "uhadd8">;
1675 def UHSAX : AAI<0b01100111, 0b0101, "uhsax">;
1676 def UHSUB16 : AAI<0b01100111, 0b0111, "uhsub16">;
1677 def UHSUB8 : AAI<0b01100111, 0b1111, "uhsub8">;
1679 // Unsigned Sum of Absolute Differences [and Accumulate] -- for disassembly only
1681 def USAD8 : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b),
1682 MulFrm /* for convenience */, NoItinerary, "usad8",
1683 "\t$dst, $a, $b", []>,
1684 Requires<[IsARM, HasV6]> {
1685 let Inst{27-20} = 0b01111000;
1686 let Inst{15-12} = 0b1111;
1687 let Inst{7-4} = 0b0001;
1689 def USADA8 : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1690 MulFrm /* for convenience */, NoItinerary, "usada8",
1691 "\t$dst, $a, $b, $acc", []>,
1692 Requires<[IsARM, HasV6]> {
1693 let Inst{27-20} = 0b01111000;
1694 let Inst{7-4} = 0b0001;
1697 // Signed/Unsigned saturate -- for disassembly only
1699 def SSATlsl : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a, i32imm:$shamt),
1700 DPFrm, NoItinerary, "ssat", "\t$dst, $bit_pos, $a, lsl $shamt",
1701 [/* For disassembly only; pattern left blank */]> {
1702 let Inst{27-21} = 0b0110101;
1703 let Inst{6-4} = 0b001;
1706 def SSATasr : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a, i32imm:$shamt),
1707 DPFrm, NoItinerary, "ssat", "\t$dst, $bit_pos, $a, asr $shamt",
1708 [/* For disassembly only; pattern left blank */]> {
1709 let Inst{27-21} = 0b0110101;
1710 let Inst{6-4} = 0b101;
1713 def SSAT16 : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a), DPFrm,
1714 NoItinerary, "ssat16", "\t$dst, $bit_pos, $a",
1715 [/* For disassembly only; pattern left blank */]> {
1716 let Inst{27-20} = 0b01101010;
1717 let Inst{7-4} = 0b0011;
1720 def USATlsl : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a, i32imm:$shamt),
1721 DPFrm, NoItinerary, "usat", "\t$dst, $bit_pos, $a, lsl $shamt",
1722 [/* For disassembly only; pattern left blank */]> {
1723 let Inst{27-21} = 0b0110111;
1724 let Inst{6-4} = 0b001;
1727 def USATasr : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a, i32imm:$shamt),
1728 DPFrm, NoItinerary, "usat", "\t$dst, $bit_pos, $a, asr $shamt",
1729 [/* For disassembly only; pattern left blank */]> {
1730 let Inst{27-21} = 0b0110111;
1731 let Inst{6-4} = 0b101;
1734 def USAT16 : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a), DPFrm,
1735 NoItinerary, "usat16", "\t$dst, $bit_pos, $a",
1736 [/* For disassembly only; pattern left blank */]> {
1737 let Inst{27-20} = 0b01101110;
1738 let Inst{7-4} = 0b0011;
1741 //===----------------------------------------------------------------------===//
1742 // Bitwise Instructions.
1745 defm AND : AsI1_bin_irs<0b0000, "and",
1746 BinOpFrag<(and node:$LHS, node:$RHS)>, 1>;
1747 defm ORR : AsI1_bin_irs<0b1100, "orr",
1748 BinOpFrag<(or node:$LHS, node:$RHS)>, 1>;
1749 defm EOR : AsI1_bin_irs<0b0001, "eor",
1750 BinOpFrag<(xor node:$LHS, node:$RHS)>, 1>;
1751 defm BIC : AsI1_bin_irs<0b1110, "bic",
1752 BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
1754 def BFC : I<(outs GPR:$dst), (ins GPR:$src, bf_inv_mask_imm:$imm),
1755 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
1756 "bfc", "\t$dst, $imm", "$src = $dst",
1757 [(set GPR:$dst, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
1758 Requires<[IsARM, HasV6T2]> {
1759 let Inst{27-21} = 0b0111110;
1760 let Inst{6-0} = 0b0011111;
1763 // A8.6.18 BFI - Bitfield insert (Encoding A1)
1764 // Added for disassembler with the pattern field purposely left blank.
1765 def BFI : I<(outs GPR:$dst), (ins GPR:$src, bf_inv_mask_imm:$imm),
1766 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
1767 "bfi", "\t$dst, $src, $imm", "",
1768 [/* For disassembly only; pattern left blank */]>,
1769 Requires<[IsARM, HasV6T2]> {
1770 let Inst{27-21} = 0b0111110;
1771 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
1774 def MVNr : AsI1<0b1111, (outs GPR:$dst), (ins GPR:$src), DPFrm, IIC_iMOVr,
1775 "mvn", "\t$dst, $src",
1776 [(set GPR:$dst, (not GPR:$src))]>, UnaryDP {
1778 let Inst{11-4} = 0b00000000;
1780 def MVNs : AsI1<0b1111, (outs GPR:$dst), (ins so_reg:$src), DPSoRegFrm,
1781 IIC_iMOVsr, "mvn", "\t$dst, $src",
1782 [(set GPR:$dst, (not so_reg:$src))]>, UnaryDP {
1785 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
1786 def MVNi : AsI1<0b1111, (outs GPR:$dst), (ins so_imm:$imm), DPFrm,
1787 IIC_iMOVi, "mvn", "\t$dst, $imm",
1788 [(set GPR:$dst, so_imm_not:$imm)]>,UnaryDP {
1792 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
1793 (BICri GPR:$src, so_imm_not:$imm)>;
1795 //===----------------------------------------------------------------------===//
1796 // Multiply Instructions.
1799 let isCommutable = 1 in
1800 def MUL : AsMul1I<0b0000000, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1801 IIC_iMUL32, "mul", "\t$dst, $a, $b",
1802 [(set GPR:$dst, (mul GPR:$a, GPR:$b))]>;
1804 def MLA : AsMul1I<0b0000001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1805 IIC_iMAC32, "mla", "\t$dst, $a, $b, $c",
1806 [(set GPR:$dst, (add (mul GPR:$a, GPR:$b), GPR:$c))]>;
1808 def MLS : AMul1I<0b0000011, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1809 IIC_iMAC32, "mls", "\t$dst, $a, $b, $c",
1810 [(set GPR:$dst, (sub GPR:$c, (mul GPR:$a, GPR:$b)))]>,
1811 Requires<[IsARM, HasV6T2]>;
1813 // Extra precision multiplies with low / high results
1814 let neverHasSideEffects = 1 in {
1815 let isCommutable = 1 in {
1816 def SMULL : AsMul1I<0b0000110, (outs GPR:$ldst, GPR:$hdst),
1817 (ins GPR:$a, GPR:$b), IIC_iMUL64,
1818 "smull", "\t$ldst, $hdst, $a, $b", []>;
1820 def UMULL : AsMul1I<0b0000100, (outs GPR:$ldst, GPR:$hdst),
1821 (ins GPR:$a, GPR:$b), IIC_iMUL64,
1822 "umull", "\t$ldst, $hdst, $a, $b", []>;
1825 // Multiply + accumulate
1826 def SMLAL : AsMul1I<0b0000111, (outs GPR:$ldst, GPR:$hdst),
1827 (ins GPR:$a, GPR:$b), IIC_iMAC64,
1828 "smlal", "\t$ldst, $hdst, $a, $b", []>;
1830 def UMLAL : AsMul1I<0b0000101, (outs GPR:$ldst, GPR:$hdst),
1831 (ins GPR:$a, GPR:$b), IIC_iMAC64,
1832 "umlal", "\t$ldst, $hdst, $a, $b", []>;
1834 def UMAAL : AMul1I <0b0000010, (outs GPR:$ldst, GPR:$hdst),
1835 (ins GPR:$a, GPR:$b), IIC_iMAC64,
1836 "umaal", "\t$ldst, $hdst, $a, $b", []>,
1837 Requires<[IsARM, HasV6]>;
1838 } // neverHasSideEffects
1840 // Most significant word multiply
1841 def SMMUL : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1842 IIC_iMUL32, "smmul", "\t$dst, $a, $b",
1843 [(set GPR:$dst, (mulhs GPR:$a, GPR:$b))]>,
1844 Requires<[IsARM, HasV6]> {
1845 let Inst{7-4} = 0b0001;
1846 let Inst{15-12} = 0b1111;
1849 def SMMULR : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1850 IIC_iMUL32, "smmulr", "\t$dst, $a, $b",
1851 [/* For disassembly only; pattern left blank */]>,
1852 Requires<[IsARM, HasV6]> {
1853 let Inst{7-4} = 0b0011; // R = 1
1854 let Inst{15-12} = 0b1111;
1857 def SMMLA : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1858 IIC_iMAC32, "smmla", "\t$dst, $a, $b, $c",
1859 [(set GPR:$dst, (add (mulhs GPR:$a, GPR:$b), GPR:$c))]>,
1860 Requires<[IsARM, HasV6]> {
1861 let Inst{7-4} = 0b0001;
1864 def SMMLAR : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1865 IIC_iMAC32, "smmlar", "\t$dst, $a, $b, $c",
1866 [/* For disassembly only; pattern left blank */]>,
1867 Requires<[IsARM, HasV6]> {
1868 let Inst{7-4} = 0b0011; // R = 1
1871 def SMMLS : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1872 IIC_iMAC32, "smmls", "\t$dst, $a, $b, $c",
1873 [(set GPR:$dst, (sub GPR:$c, (mulhs GPR:$a, GPR:$b)))]>,
1874 Requires<[IsARM, HasV6]> {
1875 let Inst{7-4} = 0b1101;
1878 def SMMLSR : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1879 IIC_iMAC32, "smmlsr", "\t$dst, $a, $b, $c",
1880 [/* For disassembly only; pattern left blank */]>,
1881 Requires<[IsARM, HasV6]> {
1882 let Inst{7-4} = 0b1111; // R = 1
1885 multiclass AI_smul<string opc, PatFrag opnode> {
1886 def BB : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1887 IIC_iMUL32, !strconcat(opc, "bb"), "\t$dst, $a, $b",
1888 [(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16),
1889 (sext_inreg GPR:$b, i16)))]>,
1890 Requires<[IsARM, HasV5TE]> {
1895 def BT : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1896 IIC_iMUL32, !strconcat(opc, "bt"), "\t$dst, $a, $b",
1897 [(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16),
1898 (sra GPR:$b, (i32 16))))]>,
1899 Requires<[IsARM, HasV5TE]> {
1904 def TB : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1905 IIC_iMUL32, !strconcat(opc, "tb"), "\t$dst, $a, $b",
1906 [(set GPR:$dst, (opnode (sra GPR:$a, (i32 16)),
1907 (sext_inreg GPR:$b, i16)))]>,
1908 Requires<[IsARM, HasV5TE]> {
1913 def TT : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1914 IIC_iMUL32, !strconcat(opc, "tt"), "\t$dst, $a, $b",
1915 [(set GPR:$dst, (opnode (sra GPR:$a, (i32 16)),
1916 (sra GPR:$b, (i32 16))))]>,
1917 Requires<[IsARM, HasV5TE]> {
1922 def WB : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1923 IIC_iMUL16, !strconcat(opc, "wb"), "\t$dst, $a, $b",
1924 [(set GPR:$dst, (sra (opnode GPR:$a,
1925 (sext_inreg GPR:$b, i16)), (i32 16)))]>,
1926 Requires<[IsARM, HasV5TE]> {
1931 def WT : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1932 IIC_iMUL16, !strconcat(opc, "wt"), "\t$dst, $a, $b",
1933 [(set GPR:$dst, (sra (opnode GPR:$a,
1934 (sra GPR:$b, (i32 16))), (i32 16)))]>,
1935 Requires<[IsARM, HasV5TE]> {
1942 multiclass AI_smla<string opc, PatFrag opnode> {
1943 def BB : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1944 IIC_iMAC16, !strconcat(opc, "bb"), "\t$dst, $a, $b, $acc",
1945 [(set GPR:$dst, (add GPR:$acc,
1946 (opnode (sext_inreg GPR:$a, i16),
1947 (sext_inreg GPR:$b, i16))))]>,
1948 Requires<[IsARM, HasV5TE]> {
1953 def BT : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1954 IIC_iMAC16, !strconcat(opc, "bt"), "\t$dst, $a, $b, $acc",
1955 [(set GPR:$dst, (add GPR:$acc, (opnode (sext_inreg GPR:$a, i16),
1956 (sra GPR:$b, (i32 16)))))]>,
1957 Requires<[IsARM, HasV5TE]> {
1962 def TB : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1963 IIC_iMAC16, !strconcat(opc, "tb"), "\t$dst, $a, $b, $acc",
1964 [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, (i32 16)),
1965 (sext_inreg GPR:$b, i16))))]>,
1966 Requires<[IsARM, HasV5TE]> {
1971 def TT : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1972 IIC_iMAC16, !strconcat(opc, "tt"), "\t$dst, $a, $b, $acc",
1973 [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, (i32 16)),
1974 (sra GPR:$b, (i32 16)))))]>,
1975 Requires<[IsARM, HasV5TE]> {
1980 def WB : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1981 IIC_iMAC16, !strconcat(opc, "wb"), "\t$dst, $a, $b, $acc",
1982 [(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a,
1983 (sext_inreg GPR:$b, i16)), (i32 16))))]>,
1984 Requires<[IsARM, HasV5TE]> {
1989 def WT : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1990 IIC_iMAC16, !strconcat(opc, "wt"), "\t$dst, $a, $b, $acc",
1991 [(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a,
1992 (sra GPR:$b, (i32 16))), (i32 16))))]>,
1993 Requires<[IsARM, HasV5TE]> {
1999 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
2000 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
2002 // Halfword multiply accumulate long: SMLAL<x><y> -- for disassembly only
2003 def SMLALBB : AMulxyI<0b0001010,(outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
2004 IIC_iMAC64, "smlalbb", "\t$ldst, $hdst, $a, $b",
2005 [/* For disassembly only; pattern left blank */]>,
2006 Requires<[IsARM, HasV5TE]> {
2011 def SMLALBT : AMulxyI<0b0001010,(outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
2012 IIC_iMAC64, "smlalbt", "\t$ldst, $hdst, $a, $b",
2013 [/* For disassembly only; pattern left blank */]>,
2014 Requires<[IsARM, HasV5TE]> {
2019 def SMLALTB : AMulxyI<0b0001010,(outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
2020 IIC_iMAC64, "smlaltb", "\t$ldst, $hdst, $a, $b",
2021 [/* For disassembly only; pattern left blank */]>,
2022 Requires<[IsARM, HasV5TE]> {
2027 def SMLALTT : AMulxyI<0b0001010,(outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
2028 IIC_iMAC64, "smlaltt", "\t$ldst, $hdst, $a, $b",
2029 [/* For disassembly only; pattern left blank */]>,
2030 Requires<[IsARM, HasV5TE]> {
2035 // Helper class for AI_smld -- for disassembly only
2036 class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
2037 InstrItinClass itin, string opc, string asm>
2038 : AI<oops, iops, MulFrm, itin, opc, asm, []>, Requires<[IsARM, HasV6]> {
2043 let Inst{21-20} = 0b00;
2044 let Inst{22} = long;
2045 let Inst{27-23} = 0b01110;
2048 multiclass AI_smld<bit sub, string opc> {
2050 def D : AMulDualI<0, sub, 0, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2051 NoItinerary, !strconcat(opc, "d"), "\t$dst, $a, $b, $acc">;
2053 def DX : AMulDualI<0, sub, 1, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2054 NoItinerary, !strconcat(opc, "dx"), "\t$dst, $a, $b, $acc">;
2056 def LD : AMulDualI<1, sub, 0, (outs GPR:$ldst,GPR:$hdst), (ins GPR:$a,GPR:$b),
2057 NoItinerary, !strconcat(opc, "ld"), "\t$ldst, $hdst, $a, $b">;
2059 def LDX : AMulDualI<1, sub, 1, (outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
2060 NoItinerary, !strconcat(opc, "ldx"),"\t$ldst, $hdst, $a, $b">;
2064 defm SMLA : AI_smld<0, "smla">;
2065 defm SMLS : AI_smld<1, "smls">;
2067 multiclass AI_sdml<bit sub, string opc> {
2069 def D : AMulDualI<0, sub, 0, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2070 NoItinerary, !strconcat(opc, "d"), "\t$dst, $a, $b"> {
2071 let Inst{15-12} = 0b1111;
2074 def DX : AMulDualI<0, sub, 1, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2075 NoItinerary, !strconcat(opc, "dx"), "\t$dst, $a, $b"> {
2076 let Inst{15-12} = 0b1111;
2081 defm SMUA : AI_sdml<0, "smua">;
2082 defm SMUS : AI_sdml<1, "smus">;
2084 //===----------------------------------------------------------------------===//
2085 // Misc. Arithmetic Instructions.
2088 def CLZ : AMiscA1I<0b000010110, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
2089 "clz", "\t$dst, $src",
2090 [(set GPR:$dst, (ctlz GPR:$src))]>, Requires<[IsARM, HasV5T]> {
2091 let Inst{7-4} = 0b0001;
2092 let Inst{11-8} = 0b1111;
2093 let Inst{19-16} = 0b1111;
2096 def RBIT : AMiscA1I<0b01101111, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
2097 "rbit", "\t$dst, $src",
2098 [(set GPR:$dst, (ARMrbit GPR:$src))]>,
2099 Requires<[IsARM, HasV6T2]> {
2100 let Inst{7-4} = 0b0011;
2101 let Inst{11-8} = 0b1111;
2102 let Inst{19-16} = 0b1111;
2105 def REV : AMiscA1I<0b01101011, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
2106 "rev", "\t$dst, $src",
2107 [(set GPR:$dst, (bswap GPR:$src))]>, Requires<[IsARM, HasV6]> {
2108 let Inst{7-4} = 0b0011;
2109 let Inst{11-8} = 0b1111;
2110 let Inst{19-16} = 0b1111;
2113 def REV16 : AMiscA1I<0b01101011, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
2114 "rev16", "\t$dst, $src",
2116 (or (and (srl GPR:$src, (i32 8)), 0xFF),
2117 (or (and (shl GPR:$src, (i32 8)), 0xFF00),
2118 (or (and (srl GPR:$src, (i32 8)), 0xFF0000),
2119 (and (shl GPR:$src, (i32 8)), 0xFF000000)))))]>,
2120 Requires<[IsARM, HasV6]> {
2121 let Inst{7-4} = 0b1011;
2122 let Inst{11-8} = 0b1111;
2123 let Inst{19-16} = 0b1111;
2126 def REVSH : AMiscA1I<0b01101111, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
2127 "revsh", "\t$dst, $src",
2130 (or (srl (and GPR:$src, 0xFF00), (i32 8)),
2131 (shl GPR:$src, (i32 8))), i16))]>,
2132 Requires<[IsARM, HasV6]> {
2133 let Inst{7-4} = 0b1011;
2134 let Inst{11-8} = 0b1111;
2135 let Inst{19-16} = 0b1111;
2138 def PKHBT : AMiscA1I<0b01101000, (outs GPR:$dst),
2139 (ins GPR:$src1, GPR:$src2, i32imm:$shamt),
2140 IIC_iALUsi, "pkhbt", "\t$dst, $src1, $src2, lsl $shamt",
2141 [(set GPR:$dst, (or (and GPR:$src1, 0xFFFF),
2142 (and (shl GPR:$src2, (i32 imm:$shamt)),
2144 Requires<[IsARM, HasV6]> {
2145 let Inst{6-4} = 0b001;
2148 // Alternate cases for PKHBT where identities eliminate some nodes.
2149 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF), (and GPR:$src2, 0xFFFF0000)),
2150 (PKHBT GPR:$src1, GPR:$src2, 0)>;
2151 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF), (shl GPR:$src2, imm16_31:$shamt)),
2152 (PKHBT GPR:$src1, GPR:$src2, imm16_31:$shamt)>;
2155 def PKHTB : AMiscA1I<0b01101000, (outs GPR:$dst),
2156 (ins GPR:$src1, GPR:$src2, i32imm:$shamt),
2157 IIC_iALUsi, "pkhtb", "\t$dst, $src1, $src2, asr $shamt",
2158 [(set GPR:$dst, (or (and GPR:$src1, 0xFFFF0000),
2159 (and (sra GPR:$src2, imm16_31:$shamt),
2160 0xFFFF)))]>, Requires<[IsARM, HasV6]> {
2161 let Inst{6-4} = 0b101;
2164 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
2165 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
2166 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000), (srl GPR:$src2, (i32 16))),
2167 (PKHTB GPR:$src1, GPR:$src2, 16)>;
2168 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000),
2169 (and (srl GPR:$src2, imm1_15:$shamt), 0xFFFF)),
2170 (PKHTB GPR:$src1, GPR:$src2, imm1_15:$shamt)>;
2172 //===----------------------------------------------------------------------===//
2173 // Comparison Instructions...
2176 defm CMP : AI1_cmp_irs<0b1010, "cmp",
2177 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
2178 //FIXME: Disable CMN, as CCodes are backwards from compare expectations
2179 // Compare-to-zero still works out, just not the relationals
2180 //defm CMN : AI1_cmp_irs<0b1011, "cmn",
2181 // BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
2183 // Note that TST/TEQ don't set all the same flags that CMP does!
2184 defm TST : AI1_cmp_irs<0b1000, "tst",
2185 BinOpFrag<(ARMcmpZ (and node:$LHS, node:$RHS), 0)>, 1>;
2186 defm TEQ : AI1_cmp_irs<0b1001, "teq",
2187 BinOpFrag<(ARMcmpZ (xor node:$LHS, node:$RHS), 0)>, 1>;
2189 defm CMPz : AI1_cmp_irs<0b1010, "cmp",
2190 BinOpFrag<(ARMcmpZ node:$LHS, node:$RHS)>>;
2191 defm CMNz : AI1_cmp_irs<0b1011, "cmn",
2192 BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>>;
2194 //def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
2195 // (CMNri GPR:$src, so_imm_neg:$imm)>;
2197 def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
2198 (CMNzri GPR:$src, so_imm_neg:$imm)>;
2201 // Conditional moves
2202 // FIXME: should be able to write a pattern for ARMcmov, but can't use
2203 // a two-value operand where a dag node expects two operands. :(
2204 def MOVCCr : AI1<0b1101, (outs GPR:$dst), (ins GPR:$false, GPR:$true), DPFrm,
2205 IIC_iCMOVr, "mov", "\t$dst, $true",
2206 [/*(set GPR:$dst, (ARMcmov GPR:$false, GPR:$true, imm:$cc, CCR:$ccr))*/]>,
2207 RegConstraint<"$false = $dst">, UnaryDP {
2208 let Inst{11-4} = 0b00000000;
2212 def MOVCCs : AI1<0b1101, (outs GPR:$dst),
2213 (ins GPR:$false, so_reg:$true), DPSoRegFrm, IIC_iCMOVsr,
2214 "mov", "\t$dst, $true",
2215 [/*(set GPR:$dst, (ARMcmov GPR:$false, so_reg:$true, imm:$cc, CCR:$ccr))*/]>,
2216 RegConstraint<"$false = $dst">, UnaryDP {
2220 def MOVCCi : AI1<0b1101, (outs GPR:$dst),
2221 (ins GPR:$false, so_imm:$true), DPFrm, IIC_iCMOVi,
2222 "mov", "\t$dst, $true",
2223 [/*(set GPR:$dst, (ARMcmov GPR:$false, so_imm:$true, imm:$cc, CCR:$ccr))*/]>,
2224 RegConstraint<"$false = $dst">, UnaryDP {
2228 //===----------------------------------------------------------------------===//
2229 // Atomic operations intrinsics
2232 // memory barriers protect the atomic sequences
2233 let hasSideEffects = 1 in {
2234 def Int_MemBarrierV7 : AInoP<(outs), (ins),
2235 Pseudo, NoItinerary,
2237 [(ARMMemBarrierV7)]>,
2238 Requires<[IsARM, HasV7]> {
2239 let Inst{31-4} = 0xf57ff05;
2240 // FIXME: add support for options other than a full system DMB
2241 // See DMB disassembly-only variants below.
2242 let Inst{3-0} = 0b1111;
2245 def Int_SyncBarrierV7 : AInoP<(outs), (ins),
2246 Pseudo, NoItinerary,
2248 [(ARMSyncBarrierV7)]>,
2249 Requires<[IsARM, HasV7]> {
2250 let Inst{31-4} = 0xf57ff04;
2251 // FIXME: add support for options other than a full system DSB
2252 // See DSB disassembly-only variants below.
2253 let Inst{3-0} = 0b1111;
2256 def Int_MemBarrierV6 : AInoP<(outs), (ins GPR:$zero),
2257 Pseudo, NoItinerary,
2258 "mcr", "\tp15, 0, $zero, c7, c10, 5",
2259 [(ARMMemBarrierV6 GPR:$zero)]>,
2260 Requires<[IsARM, HasV6]> {
2261 // FIXME: add support for options other than a full system DMB
2262 // FIXME: add encoding
2265 def Int_SyncBarrierV6 : AInoP<(outs), (ins GPR:$zero),
2266 Pseudo, NoItinerary,
2267 "mcr", "\tp15, 0, $zero, c7, c10, 4",
2268 [(ARMSyncBarrierV6 GPR:$zero)]>,
2269 Requires<[IsARM, HasV6]> {
2270 // FIXME: add support for options other than a full system DSB
2271 // FIXME: add encoding
2275 // Helper class for multiclass MemB -- for disassembly only
2276 class AMBI<string opc, string asm>
2277 : AInoP<(outs), (ins), MiscFrm, NoItinerary, opc, asm,
2278 [/* For disassembly only; pattern left blank */]>,
2279 Requires<[IsARM, HasV7]> {
2280 let Inst{31-20} = 0xf57;
2283 multiclass MemB<bits<4> op7_4, string opc> {
2285 def st : AMBI<opc, "\tst"> {
2286 let Inst{7-4} = op7_4;
2287 let Inst{3-0} = 0b1110;
2290 def ish : AMBI<opc, "\tish"> {
2291 let Inst{7-4} = op7_4;
2292 let Inst{3-0} = 0b1011;
2295 def ishst : AMBI<opc, "\tishst"> {
2296 let Inst{7-4} = op7_4;
2297 let Inst{3-0} = 0b1010;
2300 def nsh : AMBI<opc, "\tnsh"> {
2301 let Inst{7-4} = op7_4;
2302 let Inst{3-0} = 0b0111;
2305 def nshst : AMBI<opc, "\tnshst"> {
2306 let Inst{7-4} = op7_4;
2307 let Inst{3-0} = 0b0110;
2310 def osh : AMBI<opc, "\tosh"> {
2311 let Inst{7-4} = op7_4;
2312 let Inst{3-0} = 0b0011;
2315 def oshst : AMBI<opc, "\toshst"> {
2316 let Inst{7-4} = op7_4;
2317 let Inst{3-0} = 0b0010;
2321 // These DMB variants are for disassembly only.
2322 defm DMB : MemB<0b0101, "dmb">;
2324 // These DSB variants are for disassembly only.
2325 defm DSB : MemB<0b0100, "dsb">;
2327 // ISB has only full system option -- for disassembly only
2328 def ISBsy : AMBI<"isb", ""> {
2329 let Inst{7-4} = 0b0110;
2330 let Inst{3-0} = 0b1111;
2333 let usesCustomInserter = 1 in {
2334 let Uses = [CPSR] in {
2335 def ATOMIC_LOAD_ADD_I8 : PseudoInst<
2336 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2337 "${:comment} ATOMIC_LOAD_ADD_I8 PSEUDO!",
2338 [(set GPR:$dst, (atomic_load_add_8 GPR:$ptr, GPR:$incr))]>;
2339 def ATOMIC_LOAD_SUB_I8 : PseudoInst<
2340 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2341 "${:comment} ATOMIC_LOAD_SUB_I8 PSEUDO!",
2342 [(set GPR:$dst, (atomic_load_sub_8 GPR:$ptr, GPR:$incr))]>;
2343 def ATOMIC_LOAD_AND_I8 : PseudoInst<
2344 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2345 "${:comment} ATOMIC_LOAD_AND_I8 PSEUDO!",
2346 [(set GPR:$dst, (atomic_load_and_8 GPR:$ptr, GPR:$incr))]>;
2347 def ATOMIC_LOAD_OR_I8 : PseudoInst<
2348 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2349 "${:comment} ATOMIC_LOAD_OR_I8 PSEUDO!",
2350 [(set GPR:$dst, (atomic_load_or_8 GPR:$ptr, GPR:$incr))]>;
2351 def ATOMIC_LOAD_XOR_I8 : PseudoInst<
2352 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2353 "${:comment} ATOMIC_LOAD_XOR_I8 PSEUDO!",
2354 [(set GPR:$dst, (atomic_load_xor_8 GPR:$ptr, GPR:$incr))]>;
2355 def ATOMIC_LOAD_NAND_I8 : PseudoInst<
2356 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2357 "${:comment} ATOMIC_LOAD_NAND_I8 PSEUDO!",
2358 [(set GPR:$dst, (atomic_load_nand_8 GPR:$ptr, GPR:$incr))]>;
2359 def ATOMIC_LOAD_ADD_I16 : PseudoInst<
2360 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2361 "${:comment} ATOMIC_LOAD_ADD_I16 PSEUDO!",
2362 [(set GPR:$dst, (atomic_load_add_16 GPR:$ptr, GPR:$incr))]>;
2363 def ATOMIC_LOAD_SUB_I16 : PseudoInst<
2364 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2365 "${:comment} ATOMIC_LOAD_SUB_I16 PSEUDO!",
2366 [(set GPR:$dst, (atomic_load_sub_16 GPR:$ptr, GPR:$incr))]>;
2367 def ATOMIC_LOAD_AND_I16 : PseudoInst<
2368 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2369 "${:comment} ATOMIC_LOAD_AND_I16 PSEUDO!",
2370 [(set GPR:$dst, (atomic_load_and_16 GPR:$ptr, GPR:$incr))]>;
2371 def ATOMIC_LOAD_OR_I16 : PseudoInst<
2372 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2373 "${:comment} ATOMIC_LOAD_OR_I16 PSEUDO!",
2374 [(set GPR:$dst, (atomic_load_or_16 GPR:$ptr, GPR:$incr))]>;
2375 def ATOMIC_LOAD_XOR_I16 : PseudoInst<
2376 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2377 "${:comment} ATOMIC_LOAD_XOR_I16 PSEUDO!",
2378 [(set GPR:$dst, (atomic_load_xor_16 GPR:$ptr, GPR:$incr))]>;
2379 def ATOMIC_LOAD_NAND_I16 : PseudoInst<
2380 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2381 "${:comment} ATOMIC_LOAD_NAND_I16 PSEUDO!",
2382 [(set GPR:$dst, (atomic_load_nand_16 GPR:$ptr, GPR:$incr))]>;
2383 def ATOMIC_LOAD_ADD_I32 : PseudoInst<
2384 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2385 "${:comment} ATOMIC_LOAD_ADD_I32 PSEUDO!",
2386 [(set GPR:$dst, (atomic_load_add_32 GPR:$ptr, GPR:$incr))]>;
2387 def ATOMIC_LOAD_SUB_I32 : PseudoInst<
2388 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2389 "${:comment} ATOMIC_LOAD_SUB_I32 PSEUDO!",
2390 [(set GPR:$dst, (atomic_load_sub_32 GPR:$ptr, GPR:$incr))]>;
2391 def ATOMIC_LOAD_AND_I32 : PseudoInst<
2392 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2393 "${:comment} ATOMIC_LOAD_AND_I32 PSEUDO!",
2394 [(set GPR:$dst, (atomic_load_and_32 GPR:$ptr, GPR:$incr))]>;
2395 def ATOMIC_LOAD_OR_I32 : PseudoInst<
2396 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2397 "${:comment} ATOMIC_LOAD_OR_I32 PSEUDO!",
2398 [(set GPR:$dst, (atomic_load_or_32 GPR:$ptr, GPR:$incr))]>;
2399 def ATOMIC_LOAD_XOR_I32 : PseudoInst<
2400 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2401 "${:comment} ATOMIC_LOAD_XOR_I32 PSEUDO!",
2402 [(set GPR:$dst, (atomic_load_xor_32 GPR:$ptr, GPR:$incr))]>;
2403 def ATOMIC_LOAD_NAND_I32 : PseudoInst<
2404 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2405 "${:comment} ATOMIC_LOAD_NAND_I32 PSEUDO!",
2406 [(set GPR:$dst, (atomic_load_nand_32 GPR:$ptr, GPR:$incr))]>;
2408 def ATOMIC_SWAP_I8 : PseudoInst<
2409 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
2410 "${:comment} ATOMIC_SWAP_I8 PSEUDO!",
2411 [(set GPR:$dst, (atomic_swap_8 GPR:$ptr, GPR:$new))]>;
2412 def ATOMIC_SWAP_I16 : PseudoInst<
2413 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
2414 "${:comment} ATOMIC_SWAP_I16 PSEUDO!",
2415 [(set GPR:$dst, (atomic_swap_16 GPR:$ptr, GPR:$new))]>;
2416 def ATOMIC_SWAP_I32 : PseudoInst<
2417 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
2418 "${:comment} ATOMIC_SWAP_I32 PSEUDO!",
2419 [(set GPR:$dst, (atomic_swap_32 GPR:$ptr, GPR:$new))]>;
2421 def ATOMIC_CMP_SWAP_I8 : PseudoInst<
2422 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
2423 "${:comment} ATOMIC_CMP_SWAP_I8 PSEUDO!",
2424 [(set GPR:$dst, (atomic_cmp_swap_8 GPR:$ptr, GPR:$old, GPR:$new))]>;
2425 def ATOMIC_CMP_SWAP_I16 : PseudoInst<
2426 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
2427 "${:comment} ATOMIC_CMP_SWAP_I16 PSEUDO!",
2428 [(set GPR:$dst, (atomic_cmp_swap_16 GPR:$ptr, GPR:$old, GPR:$new))]>;
2429 def ATOMIC_CMP_SWAP_I32 : PseudoInst<
2430 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
2431 "${:comment} ATOMIC_CMP_SWAP_I32 PSEUDO!",
2432 [(set GPR:$dst, (atomic_cmp_swap_32 GPR:$ptr, GPR:$old, GPR:$new))]>;
2436 let mayLoad = 1 in {
2437 def LDREXB : AIldrex<0b10, (outs GPR:$dest), (ins GPR:$ptr), NoItinerary,
2438 "ldrexb", "\t$dest, [$ptr]",
2440 def LDREXH : AIldrex<0b11, (outs GPR:$dest), (ins GPR:$ptr), NoItinerary,
2441 "ldrexh", "\t$dest, [$ptr]",
2443 def LDREX : AIldrex<0b00, (outs GPR:$dest), (ins GPR:$ptr), NoItinerary,
2444 "ldrex", "\t$dest, [$ptr]",
2446 def LDREXD : AIldrex<0b01, (outs GPR:$dest, GPR:$dest2), (ins GPR:$ptr),
2448 "ldrexd", "\t$dest, $dest2, [$ptr]",
2452 let mayStore = 1, Constraints = "@earlyclobber $success" in {
2453 def STREXB : AIstrex<0b10, (outs GPR:$success), (ins GPR:$src, GPR:$ptr),
2455 "strexb", "\t$success, $src, [$ptr]",
2457 def STREXH : AIstrex<0b11, (outs GPR:$success), (ins GPR:$src, GPR:$ptr),
2459 "strexh", "\t$success, $src, [$ptr]",
2461 def STREX : AIstrex<0b00, (outs GPR:$success), (ins GPR:$src, GPR:$ptr),
2463 "strex", "\t$success, $src, [$ptr]",
2465 def STREXD : AIstrex<0b01, (outs GPR:$success),
2466 (ins GPR:$src, GPR:$src2, GPR:$ptr),
2468 "strexd", "\t$success, $src, $src2, [$ptr]",
2472 // Clear-Exclusive is for disassembly only.
2473 def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex",
2474 [/* For disassembly only; pattern left blank */]>,
2475 Requires<[IsARM, HasV7]> {
2476 let Inst{31-20} = 0xf57;
2477 let Inst{7-4} = 0b0001;
2480 // SWP/SWPB are deprecated in V6/V7 and for disassembly only.
2481 let mayLoad = 1 in {
2482 def SWP : AI<(outs GPR:$dst), (ins GPR:$src, GPR:$ptr), LdStExFrm, NoItinerary,
2483 "swp", "\t$dst, $src, [$ptr]",
2484 [/* For disassembly only; pattern left blank */]> {
2485 let Inst{27-23} = 0b00010;
2486 let Inst{22} = 0; // B = 0
2487 let Inst{21-20} = 0b00;
2488 let Inst{7-4} = 0b1001;
2491 def SWPB : AI<(outs GPR:$dst), (ins GPR:$src, GPR:$ptr), LdStExFrm, NoItinerary,
2492 "swpb", "\t$dst, $src, [$ptr]",
2493 [/* For disassembly only; pattern left blank */]> {
2494 let Inst{27-23} = 0b00010;
2495 let Inst{22} = 1; // B = 1
2496 let Inst{21-20} = 0b00;
2497 let Inst{7-4} = 0b1001;
2501 //===----------------------------------------------------------------------===//
2505 // __aeabi_read_tp preserves the registers r1-r3.
2507 Defs = [R0, R12, LR, CPSR] in {
2508 def TPsoft : ABXI<0b1011, (outs), (ins), IIC_Br,
2509 "bl\t__aeabi_read_tp",
2510 [(set R0, ARMthread_pointer)]>;
2513 //===----------------------------------------------------------------------===//
2514 // SJLJ Exception handling intrinsics
2515 // eh_sjlj_setjmp() is an instruction sequence to store the return
2516 // address and save #0 in R0 for the non-longjmp case.
2517 // Since by its nature we may be coming from some other function to get
2518 // here, and we're using the stack frame for the containing function to
2519 // save/restore registers, we can't keep anything live in regs across
2520 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
2521 // when we get here from a longjmp(). We force everthing out of registers
2522 // except for our own input by listing the relevant registers in Defs. By
2523 // doing so, we also cause the prologue/epilogue code to actively preserve
2524 // all of the callee-saved resgisters, which is exactly what we want.
2525 // A constant value is passed in $val, and we use the location as a scratch.
2527 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, D0,
2528 D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15,
2529 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26, D27, D28, D29, D30,
2531 def Int_eh_sjlj_setjmp : XI<(outs), (ins GPR:$src, GPR:$val),
2532 AddrModeNone, SizeSpecial, IndexModeNone,
2533 Pseudo, NoItinerary,
2534 "str\tsp, [$src, #+8] @ eh_setjmp begin\n\t"
2535 "add\t$val, pc, #8\n\t"
2536 "str\t$val, [$src, #+4]\n\t"
2538 "add\tpc, pc, #0\n\t"
2539 "mov\tr0, #1 @ eh_setjmp end", "",
2540 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
2541 Requires<[IsARM, HasVFP2]>;
2545 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR ] in {
2546 def Int_eh_sjlj_setjmp_nofp : XI<(outs), (ins GPR:$src, GPR:$val),
2547 AddrModeNone, SizeSpecial, IndexModeNone,
2548 Pseudo, NoItinerary,
2549 "str\tsp, [$src, #+8] @ eh_setjmp begin\n\t"
2550 "add\t$val, pc, #8\n\t"
2551 "str\t$val, [$src, #+4]\n\t"
2553 "add\tpc, pc, #0\n\t"
2554 "mov\tr0, #1 @ eh_setjmp end", "",
2555 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
2556 Requires<[IsARM, NoVFP]>;
2559 //===----------------------------------------------------------------------===//
2560 // Non-Instruction Patterns
2563 // Large immediate handling.
2565 // Two piece so_imms.
2566 let isReMaterializable = 1 in
2567 def MOVi2pieces : AI1x2<(outs GPR:$dst), (ins so_imm2part:$src),
2569 "mov", "\t$dst, $src",
2570 [(set GPR:$dst, so_imm2part:$src)]>,
2571 Requires<[IsARM, NoV6T2]>;
2573 def : ARMPat<(or GPR:$LHS, so_imm2part:$RHS),
2574 (ORRri (ORRri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
2575 (so_imm2part_2 imm:$RHS))>;
2576 def : ARMPat<(xor GPR:$LHS, so_imm2part:$RHS),
2577 (EORri (EORri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
2578 (so_imm2part_2 imm:$RHS))>;
2579 def : ARMPat<(add GPR:$LHS, so_imm2part:$RHS),
2580 (ADDri (ADDri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
2581 (so_imm2part_2 imm:$RHS))>;
2582 def : ARMPat<(add GPR:$LHS, so_neg_imm2part:$RHS),
2583 (SUBri (SUBri GPR:$LHS, (so_neg_imm2part_1 imm:$RHS)),
2584 (so_neg_imm2part_2 imm:$RHS))>;
2586 // 32-bit immediate using movw + movt.
2587 // This is a single pseudo instruction, the benefit is that it can be remat'd
2588 // as a single unit instead of having to handle reg inputs.
2589 // FIXME: Remove this when we can do generalized remat.
2590 let isReMaterializable = 1 in
2591 def MOVi32imm : AI1x2<(outs GPR:$dst), (ins i32imm:$src), Pseudo, IIC_iMOVi,
2592 "movw", "\t$dst, ${src:lo16}\n\tmovt${p}\t$dst, ${src:hi16}",
2593 [(set GPR:$dst, (i32 imm:$src))]>,
2594 Requires<[IsARM, HasV6T2]>;
2596 // ConstantPool, GlobalAddress, and JumpTable
2597 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>,
2598 Requires<[IsARM, DontUseMovt]>;
2599 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
2600 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
2601 Requires<[IsARM, UseMovt]>;
2602 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
2603 (LEApcrelJT tjumptable:$dst, imm:$id)>;
2605 // TODO: add,sub,and, 3-instr forms?
2609 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>,
2610 Requires<[IsARM, IsNotDarwin]>;
2611 def : ARMPat<(ARMcall texternalsym:$func), (BLr9 texternalsym:$func)>,
2612 Requires<[IsARM, IsDarwin]>;
2614 // zextload i1 -> zextload i8
2615 def : ARMPat<(zextloadi1 addrmode2:$addr), (LDRB addrmode2:$addr)>;
2617 // extload -> zextload
2618 def : ARMPat<(extloadi1 addrmode2:$addr), (LDRB addrmode2:$addr)>;
2619 def : ARMPat<(extloadi8 addrmode2:$addr), (LDRB addrmode2:$addr)>;
2620 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
2622 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
2623 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
2626 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
2627 (sra (shl GPR:$b, (i32 16)), (i32 16))),
2628 (SMULBB GPR:$a, GPR:$b)>;
2629 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
2630 (SMULBB GPR:$a, GPR:$b)>;
2631 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
2632 (sra GPR:$b, (i32 16))),
2633 (SMULBT GPR:$a, GPR:$b)>;
2634 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
2635 (SMULBT GPR:$a, GPR:$b)>;
2636 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
2637 (sra (shl GPR:$b, (i32 16)), (i32 16))),
2638 (SMULTB GPR:$a, GPR:$b)>;
2639 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
2640 (SMULTB GPR:$a, GPR:$b)>;
2641 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
2643 (SMULWB GPR:$a, GPR:$b)>;
2644 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
2645 (SMULWB GPR:$a, GPR:$b)>;
2647 def : ARMV5TEPat<(add GPR:$acc,
2648 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
2649 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
2650 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
2651 def : ARMV5TEPat<(add GPR:$acc,
2652 (mul sext_16_node:$a, sext_16_node:$b)),
2653 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
2654 def : ARMV5TEPat<(add GPR:$acc,
2655 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
2656 (sra GPR:$b, (i32 16)))),
2657 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
2658 def : ARMV5TEPat<(add GPR:$acc,
2659 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
2660 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
2661 def : ARMV5TEPat<(add GPR:$acc,
2662 (mul (sra GPR:$a, (i32 16)),
2663 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
2664 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
2665 def : ARMV5TEPat<(add GPR:$acc,
2666 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
2667 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
2668 def : ARMV5TEPat<(add GPR:$acc,
2669 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
2671 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
2672 def : ARMV5TEPat<(add GPR:$acc,
2673 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
2674 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
2676 //===----------------------------------------------------------------------===//
2680 include "ARMInstrThumb.td"
2682 //===----------------------------------------------------------------------===//
2686 include "ARMInstrThumb2.td"
2688 //===----------------------------------------------------------------------===//
2689 // Floating Point Support
2692 include "ARMInstrVFP.td"
2694 //===----------------------------------------------------------------------===//
2695 // Advanced SIMD (NEON) Support
2698 include "ARMInstrNEON.td"
2700 //===----------------------------------------------------------------------===//
2701 // Coprocessor Instructions. For disassembly only.
2704 def CDP : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2705 nohash_imm:$CRd, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2706 NoItinerary, "cdp", "\tp$cop, $opc1, cr$CRd, cr$CRn, cr$CRm, $opc2",
2707 [/* For disassembly only; pattern left blank */]> {
2711 def CDP2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2712 nohash_imm:$CRd, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2713 NoItinerary, "cdp2\tp$cop, $opc1, cr$CRd, cr$CRn, cr$CRm, $opc2",
2714 [/* For disassembly only; pattern left blank */]> {
2715 let Inst{31-28} = 0b1111;
2719 class ACI<dag oops, dag iops, string opc, string asm>
2720 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, BrFrm, NoItinerary,
2721 opc, asm, "", [/* For disassembly only; pattern left blank */]> {
2722 let Inst{27-25} = 0b110;
2725 multiclass LdStCop<bits<4> op31_28, bit load, string opc> {
2727 def _OFFSET : ACI<(outs),
2728 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
2729 opc, "\tp$cop, cr$CRd, $addr"> {
2730 let Inst{31-28} = op31_28;
2731 let Inst{24} = 1; // P = 1
2732 let Inst{21} = 0; // W = 0
2733 let Inst{22} = 0; // D = 0
2734 let Inst{20} = load;
2737 def _PRE : ACI<(outs),
2738 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
2739 opc, "\tp$cop, cr$CRd, $addr!"> {
2740 let Inst{31-28} = op31_28;
2741 let Inst{24} = 1; // P = 1
2742 let Inst{21} = 1; // W = 1
2743 let Inst{22} = 0; // D = 0
2744 let Inst{20} = load;
2747 def _POST : ACI<(outs),
2748 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
2749 opc, "\tp$cop, cr$CRd, [$base], $offset"> {
2750 let Inst{31-28} = op31_28;
2751 let Inst{24} = 0; // P = 0
2752 let Inst{21} = 1; // W = 1
2753 let Inst{22} = 0; // D = 0
2754 let Inst{20} = load;
2757 def _OPTION : ACI<(outs),
2758 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, i32imm:$option),
2759 opc, "\tp$cop, cr$CRd, [$base], $option"> {
2760 let Inst{31-28} = op31_28;
2761 let Inst{24} = 0; // P = 0
2762 let Inst{23} = 1; // U = 1
2763 let Inst{21} = 0; // W = 0
2764 let Inst{22} = 0; // D = 0
2765 let Inst{20} = load;
2768 def L_OFFSET : ACI<(outs),
2769 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
2770 !strconcat(opc, "l"), "\tp$cop, cr$CRd, $addr"> {
2771 let Inst{31-28} = op31_28;
2772 let Inst{24} = 1; // P = 1
2773 let Inst{21} = 0; // W = 0
2774 let Inst{22} = 1; // D = 1
2775 let Inst{20} = load;
2778 def L_PRE : ACI<(outs),
2779 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
2780 !strconcat(opc, "l"), "\tp$cop, cr$CRd, $addr!"> {
2781 let Inst{31-28} = op31_28;
2782 let Inst{24} = 1; // P = 1
2783 let Inst{21} = 1; // W = 1
2784 let Inst{22} = 1; // D = 1
2785 let Inst{20} = load;
2788 def L_POST : ACI<(outs),
2789 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
2790 !strconcat(opc, "l"), "\tp$cop, cr$CRd, [$base], $offset"> {
2791 let Inst{31-28} = op31_28;
2792 let Inst{24} = 0; // P = 0
2793 let Inst{21} = 1; // W = 1
2794 let Inst{22} = 1; // D = 1
2795 let Inst{20} = load;
2798 def L_OPTION : ACI<(outs),
2799 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, nohash_imm:$option),
2800 !strconcat(opc, "l"), "\tp$cop, cr$CRd, [$base], $option"> {
2801 let Inst{31-28} = op31_28;
2802 let Inst{24} = 0; // P = 0
2803 let Inst{23} = 1; // U = 1
2804 let Inst{21} = 0; // W = 0
2805 let Inst{22} = 1; // D = 1
2806 let Inst{20} = load;
2810 defm LDC : LdStCop<{?,?,?,?}, 1, "ldc">;
2811 defm LDC2 : LdStCop<0b1111, 1, "ldc2">;
2812 defm STC : LdStCop<{?,?,?,?}, 0, "stc">;
2813 defm STC2 : LdStCop<0b1111, 0, "stc2">;
2815 def MCR : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2816 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2817 NoItinerary, "mcr", "\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
2818 [/* For disassembly only; pattern left blank */]> {
2823 def MCR2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2824 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2825 NoItinerary, "mcr2\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
2826 [/* For disassembly only; pattern left blank */]> {
2827 let Inst{31-28} = 0b1111;
2832 def MRC : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2833 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2834 NoItinerary, "mrc", "\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
2835 [/* For disassembly only; pattern left blank */]> {
2840 def MRC2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2841 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2842 NoItinerary, "mrc2\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
2843 [/* For disassembly only; pattern left blank */]> {
2844 let Inst{31-28} = 0b1111;
2849 def MCRR : ABI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
2850 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
2851 NoItinerary, "mcrr", "\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
2852 [/* For disassembly only; pattern left blank */]> {
2853 let Inst{23-20} = 0b0100;
2856 def MCRR2 : ABXI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
2857 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
2858 NoItinerary, "mcrr2\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
2859 [/* For disassembly only; pattern left blank */]> {
2860 let Inst{31-28} = 0b1111;
2861 let Inst{23-20} = 0b0100;
2864 def MRRC : ABI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
2865 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
2866 NoItinerary, "mrrc", "\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
2867 [/* For disassembly only; pattern left blank */]> {
2868 let Inst{23-20} = 0b0101;
2871 def MRRC2 : ABXI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
2872 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
2873 NoItinerary, "mrrc2\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
2874 [/* For disassembly only; pattern left blank */]> {
2875 let Inst{31-28} = 0b1111;
2876 let Inst{23-20} = 0b0101;
2879 //===----------------------------------------------------------------------===//
2880 // Move between special register and ARM core register -- for disassembly only
2883 def MRS : ABI<0b0001,(outs GPR:$dst),(ins), NoItinerary, "mrs", "\t$dst, cpsr",
2884 [/* For disassembly only; pattern left blank */]> {
2885 let Inst{23-20} = 0b0000;
2886 let Inst{7-4} = 0b0000;
2889 def MRSsys : ABI<0b0001,(outs GPR:$dst),(ins), NoItinerary,"mrs","\t$dst, spsr",
2890 [/* For disassembly only; pattern left blank */]> {
2891 let Inst{23-20} = 0b0100;
2892 let Inst{7-4} = 0b0000;
2895 def MSR : ABI<0b0001, (outs), (ins GPR:$src, msr_mask:$mask), NoItinerary,
2896 "msr", "\tcpsr$mask, $src",
2897 [/* For disassembly only; pattern left blank */]> {
2898 let Inst{23-20} = 0b0010;
2899 let Inst{7-4} = 0b0000;
2902 def MSRi : ABI<0b0011, (outs), (ins so_imm:$a, msr_mask:$mask), NoItinerary,
2903 "msr", "\tcpsr$mask, $a",
2904 [/* For disassembly only; pattern left blank */]> {
2905 let Inst{23-20} = 0b0010;
2906 let Inst{7-4} = 0b0000;
2909 def MSRsys : ABI<0b0001, (outs), (ins GPR:$src, msr_mask:$mask), NoItinerary,
2910 "msr", "\tspsr$mask, $src",
2911 [/* For disassembly only; pattern left blank */]> {
2912 let Inst{23-20} = 0b0110;
2913 let Inst{7-4} = 0b0000;
2916 def MSRsysi : ABI<0b0011, (outs), (ins so_imm:$a, msr_mask:$mask), NoItinerary,
2917 "msr", "\tspsr$mask, $a",
2918 [/* For disassembly only; pattern left blank */]> {
2919 let Inst{23-20} = 0b0110;
2920 let Inst{7-4} = 0b0000;