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 NoVFP : Predicate<"!Subtarget->hasVFP2()">;
128 def HasVFP2 : Predicate<"Subtarget->hasVFP2()">;
129 def HasVFP3 : Predicate<"Subtarget->hasVFP3()">;
130 def HasNEON : Predicate<"Subtarget->hasNEON()">;
131 def UseNEONForFP : Predicate<"Subtarget->useNEONForSinglePrecisionFP()">;
132 def DontUseNEONForFP : Predicate<"!Subtarget->useNEONForSinglePrecisionFP()">;
133 def IsThumb : Predicate<"Subtarget->isThumb()">;
134 def IsThumb1Only : Predicate<"Subtarget->isThumb1Only()">;
135 def IsThumb2 : Predicate<"Subtarget->isThumb2()">;
136 def IsARM : Predicate<"!Subtarget->isThumb()">;
137 def IsDarwin : Predicate<"Subtarget->isTargetDarwin()">;
138 def IsNotDarwin : Predicate<"!Subtarget->isTargetDarwin()">;
140 // FIXME: Eventually this will be just "hasV6T2Ops".
141 def UseMovt : Predicate<"Subtarget->useMovt()">;
142 def DontUseMovt : Predicate<"!Subtarget->useMovt()">;
144 def UseVMLx : Predicate<"Subtarget->useVMLx()">;
146 //===----------------------------------------------------------------------===//
147 // ARM Flag Definitions.
149 class RegConstraint<string C> {
150 string Constraints = C;
153 //===----------------------------------------------------------------------===//
154 // ARM specific transformation functions and pattern fragments.
157 // so_imm_neg_XFORM - Return a so_imm value packed into the format described for
158 // so_imm_neg def below.
159 def so_imm_neg_XFORM : SDNodeXForm<imm, [{
160 return CurDAG->getTargetConstant(-(int)N->getZExtValue(), MVT::i32);
163 // so_imm_not_XFORM - Return a so_imm value packed into the format described for
164 // so_imm_not def below.
165 def so_imm_not_XFORM : SDNodeXForm<imm, [{
166 return CurDAG->getTargetConstant(~(int)N->getZExtValue(), MVT::i32);
169 // rot_imm predicate - True if the 32-bit immediate is equal to 8, 16, or 24.
170 def rot_imm : PatLeaf<(i32 imm), [{
171 int32_t v = (int32_t)N->getZExtValue();
172 return v == 8 || v == 16 || v == 24;
175 /// imm1_15 predicate - True if the 32-bit immediate is in the range [1,15].
176 def imm1_15 : PatLeaf<(i32 imm), [{
177 return (int32_t)N->getZExtValue() >= 1 && (int32_t)N->getZExtValue() < 16;
180 /// imm16_31 predicate - True if the 32-bit immediate is in the range [16,31].
181 def imm16_31 : PatLeaf<(i32 imm), [{
182 return (int32_t)N->getZExtValue() >= 16 && (int32_t)N->getZExtValue() < 32;
187 return ARM_AM::getSOImmVal(-(int)N->getZExtValue()) != -1;
188 }], so_imm_neg_XFORM>;
192 return ARM_AM::getSOImmVal(~(int)N->getZExtValue()) != -1;
193 }], so_imm_not_XFORM>;
195 // sext_16_node predicate - True if the SDNode is sign-extended 16 or more bits.
196 def sext_16_node : PatLeaf<(i32 GPR:$a), [{
197 return CurDAG->ComputeNumSignBits(SDValue(N,0)) >= 17;
200 /// bf_inv_mask_imm predicate - An AND mask to clear an arbitrary width bitfield
202 def bf_inv_mask_imm : Operand<i32>,
204 uint32_t v = (uint32_t)N->getZExtValue();
207 // there can be 1's on either or both "outsides", all the "inside"
209 unsigned int lsb = 0, msb = 31;
210 while (v & (1 << msb)) --msb;
211 while (v & (1 << lsb)) ++lsb;
212 for (unsigned int i = lsb; i <= msb; ++i) {
218 let PrintMethod = "printBitfieldInvMaskImmOperand";
221 /// Split a 32-bit immediate into two 16 bit parts.
222 def lo16 : SDNodeXForm<imm, [{
223 return CurDAG->getTargetConstant((uint32_t)N->getZExtValue() & 0xffff,
227 def hi16 : SDNodeXForm<imm, [{
228 return CurDAG->getTargetConstant((uint32_t)N->getZExtValue() >> 16, MVT::i32);
231 def lo16AllZero : PatLeaf<(i32 imm), [{
232 // Returns true if all low 16-bits are 0.
233 return (((uint32_t)N->getZExtValue()) & 0xFFFFUL) == 0;
236 /// imm0_65535 predicate - True if the 32-bit immediate is in the range
238 def imm0_65535 : PatLeaf<(i32 imm), [{
239 return (uint32_t)N->getZExtValue() < 65536;
242 class BinOpFrag<dag res> : PatFrag<(ops node:$LHS, node:$RHS), res>;
243 class UnOpFrag <dag res> : PatFrag<(ops node:$Src), res>;
245 /// adde and sube predicates - True based on whether the carry flag output
246 /// will be needed or not.
247 def adde_dead_carry :
248 PatFrag<(ops node:$LHS, node:$RHS), (adde node:$LHS, node:$RHS),
249 [{return !N->hasAnyUseOfValue(1);}]>;
250 def sube_dead_carry :
251 PatFrag<(ops node:$LHS, node:$RHS), (sube node:$LHS, node:$RHS),
252 [{return !N->hasAnyUseOfValue(1);}]>;
253 def adde_live_carry :
254 PatFrag<(ops node:$LHS, node:$RHS), (adde node:$LHS, node:$RHS),
255 [{return N->hasAnyUseOfValue(1);}]>;
256 def sube_live_carry :
257 PatFrag<(ops node:$LHS, node:$RHS), (sube node:$LHS, node:$RHS),
258 [{return N->hasAnyUseOfValue(1);}]>;
260 //===----------------------------------------------------------------------===//
261 // Operand Definitions.
265 def brtarget : Operand<OtherVT>;
267 // A list of registers separated by comma. Used by load/store multiple.
268 def reglist : Operand<i32> {
269 let PrintMethod = "printRegisterList";
272 // An operand for the CONSTPOOL_ENTRY pseudo-instruction.
273 def cpinst_operand : Operand<i32> {
274 let PrintMethod = "printCPInstOperand";
277 def jtblock_operand : Operand<i32> {
278 let PrintMethod = "printJTBlockOperand";
280 def jt2block_operand : Operand<i32> {
281 let PrintMethod = "printJT2BlockOperand";
285 def pclabel : Operand<i32> {
286 let PrintMethod = "printPCLabel";
289 // shifter_operand operands: so_reg and so_imm.
290 def so_reg : Operand<i32>, // reg reg imm
291 ComplexPattern<i32, 3, "SelectShifterOperandReg",
292 [shl,srl,sra,rotr]> {
293 let PrintMethod = "printSORegOperand";
294 let MIOperandInfo = (ops GPR, GPR, i32imm);
297 // so_imm - Match a 32-bit shifter_operand immediate operand, which is an
298 // 8-bit immediate rotated by an arbitrary number of bits. so_imm values are
299 // represented in the imm field in the same 12-bit form that they are encoded
300 // into so_imm instructions: the 8-bit immediate is the least significant bits
301 // [bits 0-7], the 4-bit shift amount is the next 4 bits [bits 8-11].
302 def so_imm : Operand<i32>,
304 return ARM_AM::getSOImmVal(N->getZExtValue()) != -1;
306 let PrintMethod = "printSOImmOperand";
309 // Break so_imm's up into two pieces. This handles immediates with up to 16
310 // bits set in them. This uses so_imm2part to match and so_imm2part_[12] to
311 // get the first/second pieces.
312 def so_imm2part : Operand<i32>,
314 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
316 let PrintMethod = "printSOImm2PartOperand";
319 def so_imm2part_1 : SDNodeXForm<imm, [{
320 unsigned V = ARM_AM::getSOImmTwoPartFirst((unsigned)N->getZExtValue());
321 return CurDAG->getTargetConstant(V, MVT::i32);
324 def so_imm2part_2 : SDNodeXForm<imm, [{
325 unsigned V = ARM_AM::getSOImmTwoPartSecond((unsigned)N->getZExtValue());
326 return CurDAG->getTargetConstant(V, MVT::i32);
329 def so_neg_imm2part : Operand<i32>, PatLeaf<(imm), [{
330 return ARM_AM::isSOImmTwoPartVal(-(int)N->getZExtValue());
332 let PrintMethod = "printSOImm2PartOperand";
335 def so_neg_imm2part_1 : SDNodeXForm<imm, [{
336 unsigned V = ARM_AM::getSOImmTwoPartFirst(-(int)N->getZExtValue());
337 return CurDAG->getTargetConstant(V, MVT::i32);
340 def so_neg_imm2part_2 : SDNodeXForm<imm, [{
341 unsigned V = ARM_AM::getSOImmTwoPartSecond(-(int)N->getZExtValue());
342 return CurDAG->getTargetConstant(V, MVT::i32);
345 /// imm0_31 predicate - True if the 32-bit immediate is in the range [0,31].
346 def imm0_31 : Operand<i32>, PatLeaf<(imm), [{
347 return (int32_t)N->getZExtValue() < 32;
350 // Define ARM specific addressing modes.
352 // addrmode2 := reg +/- reg shop imm
353 // addrmode2 := reg +/- imm12
355 def addrmode2 : Operand<i32>,
356 ComplexPattern<i32, 3, "SelectAddrMode2", []> {
357 let PrintMethod = "printAddrMode2Operand";
358 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
361 def am2offset : Operand<i32>,
362 ComplexPattern<i32, 2, "SelectAddrMode2Offset", []> {
363 let PrintMethod = "printAddrMode2OffsetOperand";
364 let MIOperandInfo = (ops GPR, i32imm);
367 // addrmode3 := reg +/- reg
368 // addrmode3 := reg +/- imm8
370 def addrmode3 : Operand<i32>,
371 ComplexPattern<i32, 3, "SelectAddrMode3", []> {
372 let PrintMethod = "printAddrMode3Operand";
373 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
376 def am3offset : Operand<i32>,
377 ComplexPattern<i32, 2, "SelectAddrMode3Offset", []> {
378 let PrintMethod = "printAddrMode3OffsetOperand";
379 let MIOperandInfo = (ops GPR, i32imm);
382 // addrmode4 := reg, <mode|W>
384 def addrmode4 : Operand<i32>,
385 ComplexPattern<i32, 2, "SelectAddrMode4", []> {
386 let PrintMethod = "printAddrMode4Operand";
387 let MIOperandInfo = (ops GPR:$addr, i32imm);
390 // addrmode5 := reg +/- imm8*4
392 def addrmode5 : Operand<i32>,
393 ComplexPattern<i32, 2, "SelectAddrMode5", []> {
394 let PrintMethod = "printAddrMode5Operand";
395 let MIOperandInfo = (ops GPR:$base, i32imm);
398 // addrmode6 := reg with optional writeback
400 def addrmode6 : Operand<i32>,
401 ComplexPattern<i32, 2, "SelectAddrMode6", []> {
402 let PrintMethod = "printAddrMode6Operand";
403 let MIOperandInfo = (ops GPR:$addr, i32imm);
406 def am6offset : Operand<i32> {
407 let PrintMethod = "printAddrMode6OffsetOperand";
408 let MIOperandInfo = (ops GPR);
411 // addrmodepc := pc + reg
413 def addrmodepc : Operand<i32>,
414 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
415 let PrintMethod = "printAddrModePCOperand";
416 let MIOperandInfo = (ops GPR, i32imm);
419 def nohash_imm : Operand<i32> {
420 let PrintMethod = "printNoHashImmediate";
423 //===----------------------------------------------------------------------===//
425 include "ARMInstrFormats.td"
427 //===----------------------------------------------------------------------===//
428 // Multiclass helpers...
431 /// AsI1_bin_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns for a
432 /// binop that produces a value.
433 multiclass AsI1_bin_irs<bits<4> opcod, string opc, PatFrag opnode,
434 bit Commutable = 0> {
435 def ri : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
436 IIC_iALUi, opc, "\t$dst, $a, $b",
437 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]> {
440 def rr : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
441 IIC_iALUr, opc, "\t$dst, $a, $b",
442 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]> {
443 let Inst{11-4} = 0b00000000;
445 let isCommutable = Commutable;
447 def rs : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
448 IIC_iALUsr, opc, "\t$dst, $a, $b",
449 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]> {
454 /// AI1_bin_s_irs - Similar to AsI1_bin_irs except it sets the 's' bit so the
455 /// instruction modifies the CPSR register.
456 let Defs = [CPSR] in {
457 multiclass AI1_bin_s_irs<bits<4> opcod, string opc, PatFrag opnode,
458 bit Commutable = 0> {
459 def ri : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
460 IIC_iALUi, opc, "\t$dst, $a, $b",
461 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]> {
465 def rr : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
466 IIC_iALUr, opc, "\t$dst, $a, $b",
467 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]> {
468 let isCommutable = Commutable;
469 let Inst{11-4} = 0b00000000;
473 def rs : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
474 IIC_iALUsr, opc, "\t$dst, $a, $b",
475 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]> {
482 /// AI1_cmp_irs - Defines a set of (op r, {so_imm|r|so_reg}) cmp / test
483 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
484 /// a explicit result, only implicitly set CPSR.
485 let Defs = [CPSR] in {
486 multiclass AI1_cmp_irs<bits<4> opcod, string opc, PatFrag opnode,
487 bit Commutable = 0> {
488 def ri : AI1<opcod, (outs), (ins GPR:$a, so_imm:$b), DPFrm, IIC_iCMPi,
490 [(opnode GPR:$a, so_imm:$b)]> {
494 def rr : AI1<opcod, (outs), (ins GPR:$a, GPR:$b), DPFrm, IIC_iCMPr,
496 [(opnode GPR:$a, GPR:$b)]> {
497 let Inst{11-4} = 0b00000000;
500 let isCommutable = Commutable;
502 def rs : AI1<opcod, (outs), (ins GPR:$a, so_reg:$b), DPSoRegFrm, IIC_iCMPsr,
504 [(opnode GPR:$a, so_reg:$b)]> {
511 /// AI_unary_rrot - A unary operation with two forms: one whose operand is a
512 /// register and one whose operand is a register rotated by 8/16/24.
513 /// FIXME: Remove the 'r' variant. Its rot_imm is zero.
514 multiclass AI_unary_rrot<bits<8> opcod, string opc, PatFrag opnode> {
515 def r : AExtI<opcod, (outs GPR:$dst), (ins GPR:$src),
516 IIC_iUNAr, opc, "\t$dst, $src",
517 [(set GPR:$dst, (opnode GPR:$src))]>,
518 Requires<[IsARM, HasV6]> {
519 let Inst{11-10} = 0b00;
520 let Inst{19-16} = 0b1111;
522 def r_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$src, i32imm:$rot),
523 IIC_iUNAsi, opc, "\t$dst, $src, ror $rot",
524 [(set GPR:$dst, (opnode (rotr GPR:$src, rot_imm:$rot)))]>,
525 Requires<[IsARM, HasV6]> {
526 let Inst{19-16} = 0b1111;
530 multiclass AI_unary_rrot_np<bits<8> opcod, string opc> {
531 def r : AExtI<opcod, (outs GPR:$dst), (ins GPR:$src),
532 IIC_iUNAr, opc, "\t$dst, $src",
533 [/* For disassembly only; pattern left blank */]>,
534 Requires<[IsARM, HasV6]> {
535 let Inst{11-10} = 0b00;
536 let Inst{19-16} = 0b1111;
538 def r_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$src, i32imm:$rot),
539 IIC_iUNAsi, opc, "\t$dst, $src, ror $rot",
540 [/* For disassembly only; pattern left blank */]>,
541 Requires<[IsARM, HasV6]> {
542 let Inst{19-16} = 0b1111;
546 /// AI_bin_rrot - A binary operation with two forms: one whose operand is a
547 /// register and one whose operand is a register rotated by 8/16/24.
548 multiclass AI_bin_rrot<bits<8> opcod, string opc, PatFrag opnode> {
549 def rr : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS),
550 IIC_iALUr, opc, "\t$dst, $LHS, $RHS",
551 [(set GPR:$dst, (opnode GPR:$LHS, GPR:$RHS))]>,
552 Requires<[IsARM, HasV6]> {
553 let Inst{11-10} = 0b00;
555 def rr_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS,
557 IIC_iALUsi, opc, "\t$dst, $LHS, $RHS, ror $rot",
558 [(set GPR:$dst, (opnode GPR:$LHS,
559 (rotr GPR:$RHS, rot_imm:$rot)))]>,
560 Requires<[IsARM, HasV6]>;
563 // For disassembly only.
564 multiclass AI_bin_rrot_np<bits<8> opcod, string opc> {
565 def rr : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS),
566 IIC_iALUr, opc, "\t$dst, $LHS, $RHS",
567 [/* For disassembly only; pattern left blank */]>,
568 Requires<[IsARM, HasV6]> {
569 let Inst{11-10} = 0b00;
571 def rr_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS,
573 IIC_iALUsi, opc, "\t$dst, $LHS, $RHS, ror $rot",
574 [/* For disassembly only; pattern left blank */]>,
575 Requires<[IsARM, HasV6]>;
578 /// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
579 let Uses = [CPSR] in {
580 multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode,
581 bit Commutable = 0> {
582 def ri : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
583 DPFrm, IIC_iALUi, opc, "\t$dst, $a, $b",
584 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]>,
588 def rr : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
589 DPFrm, IIC_iALUr, opc, "\t$dst, $a, $b",
590 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]>,
592 let isCommutable = Commutable;
593 let Inst{11-4} = 0b00000000;
596 def rs : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
597 DPSoRegFrm, IIC_iALUsr, opc, "\t$dst, $a, $b",
598 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]>,
603 // Carry setting variants
604 let Defs = [CPSR] in {
605 multiclass AI1_adde_sube_s_irs<bits<4> opcod, string opc, PatFrag opnode,
606 bit Commutable = 0> {
607 def Sri : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
608 DPFrm, IIC_iALUi, !strconcat(opc, "\t$dst, $a, $b"),
609 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]>,
614 def Srr : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
615 DPFrm, IIC_iALUr, !strconcat(opc, "\t$dst, $a, $b"),
616 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]>,
618 let Inst{11-4} = 0b00000000;
622 def Srs : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
623 DPSoRegFrm, IIC_iALUsr, !strconcat(opc, "\t$dst, $a, $b"),
624 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]>,
633 //===----------------------------------------------------------------------===//
635 //===----------------------------------------------------------------------===//
637 //===----------------------------------------------------------------------===//
638 // Miscellaneous Instructions.
641 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
642 /// the function. The first operand is the ID# for this instruction, the second
643 /// is the index into the MachineConstantPool that this is, the third is the
644 /// size in bytes of this constant pool entry.
645 let neverHasSideEffects = 1, isNotDuplicable = 1 in
646 def CONSTPOOL_ENTRY :
647 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
648 i32imm:$size), NoItinerary,
649 "${instid:label} ${cpidx:cpentry}", []>;
651 // FIXME: Marking these as hasSideEffects is necessary to prevent machine DCE
652 // from removing one half of the matched pairs. That breaks PEI, which assumes
653 // these will always be in pairs, and asserts if it finds otherwise. Better way?
654 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
656 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary,
657 "@ ADJCALLSTACKUP $amt1",
658 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
660 def ADJCALLSTACKDOWN :
661 PseudoInst<(outs), (ins i32imm:$amt, pred:$p), NoItinerary,
662 "@ ADJCALLSTACKDOWN $amt",
663 [(ARMcallseq_start timm:$amt)]>;
666 def NOP : AI<(outs), (ins), MiscFrm, NoItinerary, "nop", "",
667 [/* For disassembly only; pattern left blank */]>,
668 Requires<[IsARM, HasV6T2]> {
669 let Inst{27-16} = 0b001100100000;
670 let Inst{7-0} = 0b00000000;
673 def YIELD : AI<(outs), (ins), MiscFrm, NoItinerary, "yield", "",
674 [/* For disassembly only; pattern left blank */]>,
675 Requires<[IsARM, HasV6T2]> {
676 let Inst{27-16} = 0b001100100000;
677 let Inst{7-0} = 0b00000001;
680 def WFE : AI<(outs), (ins), MiscFrm, NoItinerary, "wfe", "",
681 [/* For disassembly only; pattern left blank */]>,
682 Requires<[IsARM, HasV6T2]> {
683 let Inst{27-16} = 0b001100100000;
684 let Inst{7-0} = 0b00000010;
687 def WFI : AI<(outs), (ins), MiscFrm, NoItinerary, "wfi", "",
688 [/* For disassembly only; pattern left blank */]>,
689 Requires<[IsARM, HasV6T2]> {
690 let Inst{27-16} = 0b001100100000;
691 let Inst{7-0} = 0b00000011;
694 def SEL : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm, NoItinerary, "sel",
696 [/* For disassembly only; pattern left blank */]>,
697 Requires<[IsARM, HasV6]> {
698 let Inst{27-20} = 0b01101000;
699 let Inst{7-4} = 0b1011;
702 def SEV : AI<(outs), (ins), MiscFrm, NoItinerary, "sev", "",
703 [/* For disassembly only; pattern left blank */]>,
704 Requires<[IsARM, HasV6T2]> {
705 let Inst{27-16} = 0b001100100000;
706 let Inst{7-0} = 0b00000100;
709 // The i32imm operand $val can be used by a debugger to store more information
710 // about the breakpoint.
711 def BKPT : AI<(outs), (ins i32imm:$val), MiscFrm, NoItinerary, "bkpt", "\t$val",
712 [/* For disassembly only; pattern left blank */]>,
714 let Inst{27-20} = 0b00010010;
715 let Inst{7-4} = 0b0111;
718 // Change Processor State is a system instruction -- for disassembly only.
719 // The singleton $opt operand contains the following information:
720 // opt{4-0} = mode from Inst{4-0}
721 // opt{5} = changemode from Inst{17}
722 // opt{8-6} = AIF from Inst{8-6}
723 // opt{10-9} = imod from Inst{19-18} with 0b10 as enable and 0b11 as disable
724 def CPS : AXI<(outs), (ins cps_opt:$opt), MiscFrm, NoItinerary, "cps$opt",
725 [/* For disassembly only; pattern left blank */]>,
727 let Inst{31-28} = 0b1111;
728 let Inst{27-20} = 0b00010000;
733 // Preload signals the memory system of possible future data/instruction access.
734 // These are for disassembly only.
736 // A8.6.117, A8.6.118. Different instructions are generated for #0 and #-0.
737 // The neg_zero operand translates -0 to -1, -1 to -2, ..., etc.
738 multiclass APreLoad<bit data, bit read, string opc> {
740 def i : AXI<(outs), (ins GPR:$base, neg_zero:$imm), MiscFrm, NoItinerary,
741 !strconcat(opc, "\t[$base, $imm]"), []> {
742 let Inst{31-26} = 0b111101;
743 let Inst{25} = 0; // 0 for immediate form
746 let Inst{21-20} = 0b01;
749 def r : AXI<(outs), (ins addrmode2:$addr), MiscFrm, NoItinerary,
750 !strconcat(opc, "\t$addr"), []> {
751 let Inst{31-26} = 0b111101;
752 let Inst{25} = 1; // 1 for register form
755 let Inst{21-20} = 0b01;
760 defm PLD : APreLoad<1, 1, "pld">;
761 defm PLDW : APreLoad<1, 0, "pldw">;
762 defm PLI : APreLoad<0, 1, "pli">;
764 def SETENDBE : AXI<(outs),(ins), MiscFrm, NoItinerary, "setend\tbe",
765 [/* For disassembly only; pattern left blank */]>,
767 let Inst{31-28} = 0b1111;
768 let Inst{27-20} = 0b00010000;
771 let Inst{7-4} = 0b0000;
774 def SETENDLE : AXI<(outs),(ins), MiscFrm, NoItinerary, "setend\tle",
775 [/* For disassembly only; pattern left blank */]>,
777 let Inst{31-28} = 0b1111;
778 let Inst{27-20} = 0b00010000;
781 let Inst{7-4} = 0b0000;
784 def DBG : AI<(outs), (ins i32imm:$opt), MiscFrm, NoItinerary, "dbg", "\t$opt",
785 [/* For disassembly only; pattern left blank */]>,
786 Requires<[IsARM, HasV7]> {
787 let Inst{27-16} = 0b001100100000;
788 let Inst{7-4} = 0b1111;
791 // A5.4 Permanently UNDEFINED instructions.
792 def TRAP : AI<(outs), (ins), MiscFrm, NoItinerary, "trap", "",
793 [/* For disassembly only; pattern left blank */]>,
795 let Inst{27-25} = 0b011;
796 let Inst{24-20} = 0b11111;
797 let Inst{7-5} = 0b111;
801 // Address computation and loads and stores in PIC mode.
802 let isNotDuplicable = 1 in {
803 def PICADD : AXI1<0b0100, (outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
804 Pseudo, IIC_iALUr, "\n$cp:\n\tadd$p\t$dst, pc, $a",
805 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
807 let AddedComplexity = 10 in {
808 def PICLDR : AXI2ldw<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
809 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldr$p\t$dst, $addr",
810 [(set GPR:$dst, (load addrmodepc:$addr))]>;
812 def PICLDRH : AXI3ldh<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
813 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldrh${p}\t$dst, $addr",
814 [(set GPR:$dst, (zextloadi16 addrmodepc:$addr))]>;
816 def PICLDRB : AXI2ldb<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
817 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldrb${p}\t$dst, $addr",
818 [(set GPR:$dst, (zextloadi8 addrmodepc:$addr))]>;
820 def PICLDRSH : AXI3ldsh<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
821 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldrsh${p}\t$dst, $addr",
822 [(set GPR:$dst, (sextloadi16 addrmodepc:$addr))]>;
824 def PICLDRSB : AXI3ldsb<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
825 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldrsb${p}\t$dst, $addr",
826 [(set GPR:$dst, (sextloadi8 addrmodepc:$addr))]>;
828 let AddedComplexity = 10 in {
829 def PICSTR : AXI2stw<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
830 Pseudo, IIC_iStorer, "\n${addr:label}:\n\tstr$p\t$src, $addr",
831 [(store GPR:$src, addrmodepc:$addr)]>;
833 def PICSTRH : AXI3sth<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
834 Pseudo, IIC_iStorer, "\n${addr:label}:\n\tstrh${p}\t$src, $addr",
835 [(truncstorei16 GPR:$src, addrmodepc:$addr)]>;
837 def PICSTRB : AXI2stb<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
838 Pseudo, IIC_iStorer, "\n${addr:label}:\n\tstrb${p}\t$src, $addr",
839 [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
841 } // isNotDuplicable = 1
844 // LEApcrel - Load a pc-relative address into a register without offending the
846 def LEApcrel : AXI1<0x0, (outs GPR:$dst), (ins i32imm:$label, pred:$p),
848 !strconcat(!strconcat(".set ${:private}PCRELV${:uid}, ($label-(",
849 "${:private}PCRELL${:uid}+8))\n"),
850 !strconcat("${:private}PCRELL${:uid}:\n\t",
851 "add$p\t$dst, pc, #${:private}PCRELV${:uid}")),
854 def LEApcrelJT : AXI1<0x0, (outs GPR:$dst),
855 (ins i32imm:$label, nohash_imm:$id, pred:$p),
857 !strconcat(!strconcat(".set ${:private}PCRELV${:uid}, "
859 "${:private}PCRELL${:uid}+8))\n"),
860 !strconcat("${:private}PCRELL${:uid}:\n\t",
861 "add$p\t$dst, pc, #${:private}PCRELV${:uid}")),
866 //===----------------------------------------------------------------------===//
867 // Control Flow Instructions.
870 let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
872 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
873 "bx", "\tlr", [(ARMretflag)]>,
874 Requires<[IsARM, HasV4T]> {
875 let Inst{3-0} = 0b1110;
876 let Inst{7-4} = 0b0001;
877 let Inst{19-8} = 0b111111111111;
878 let Inst{27-20} = 0b00010010;
882 def MOVPCLR : AI<(outs), (ins), BrMiscFrm, IIC_Br,
883 "mov", "\tpc, lr", [(ARMretflag)]>,
884 Requires<[IsARM, NoV4T]> {
885 let Inst{11-0} = 0b000000001110;
886 let Inst{15-12} = 0b1111;
887 let Inst{19-16} = 0b0000;
888 let Inst{27-20} = 0b00011010;
893 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
895 def BRIND : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
897 Requires<[IsARM, HasV4T]> {
898 let Inst{7-4} = 0b0001;
899 let Inst{19-8} = 0b111111111111;
900 let Inst{27-20} = 0b00010010;
901 let Inst{31-28} = 0b1110;
905 def MOVPCRX : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "mov\tpc, $dst",
907 Requires<[IsARM, NoV4T]> {
908 let Inst{11-4} = 0b00000000;
909 let Inst{15-12} = 0b1111;
910 let Inst{19-16} = 0b0000;
911 let Inst{27-20} = 0b00011010;
912 let Inst{31-28} = 0b1110;
916 // FIXME: remove when we have a way to marking a MI with these properties.
917 // FIXME: Should pc be an implicit operand like PICADD, etc?
918 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
919 hasExtraDefRegAllocReq = 1 in
920 def LDM_RET : AXI4ld<(outs GPR:$wb), (ins addrmode4:$addr, pred:$p,
921 reglist:$dsts, variable_ops),
922 IndexModeUpd, LdStMulFrm, IIC_Br,
923 "ldm${addr:submode}${p}\t$addr!, $dsts",
924 "$addr.addr = $wb", []>;
926 // On non-Darwin platforms R9 is callee-saved.
928 Defs = [R0, R1, R2, R3, R12, LR,
929 D0, D1, D2, D3, D4, D5, D6, D7,
930 D16, D17, D18, D19, D20, D21, D22, D23,
931 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR] in {
932 def BL : ABXI<0b1011, (outs), (ins i32imm:$func, variable_ops),
933 IIC_Br, "bl\t${func:call}",
934 [(ARMcall tglobaladdr:$func)]>,
935 Requires<[IsARM, IsNotDarwin]> {
936 let Inst{31-28} = 0b1110;
939 def BL_pred : ABI<0b1011, (outs), (ins i32imm:$func, variable_ops),
940 IIC_Br, "bl", "\t${func:call}",
941 [(ARMcall_pred tglobaladdr:$func)]>,
942 Requires<[IsARM, IsNotDarwin]>;
945 def BLX : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
946 IIC_Br, "blx\t$func",
947 [(ARMcall GPR:$func)]>,
948 Requires<[IsARM, HasV5T, IsNotDarwin]> {
949 let Inst{7-4} = 0b0011;
950 let Inst{19-8} = 0b111111111111;
951 let Inst{27-20} = 0b00010010;
955 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
956 def BX : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
957 IIC_Br, "mov\tlr, pc\n\tbx\t$func",
958 [(ARMcall_nolink tGPR:$func)]>,
959 Requires<[IsARM, HasV4T, IsNotDarwin]> {
960 let Inst{7-4} = 0b0001;
961 let Inst{19-8} = 0b111111111111;
962 let Inst{27-20} = 0b00010010;
966 def BMOVPCRX : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
967 IIC_Br, "mov\tlr, pc\n\tmov\tpc, $func",
968 [(ARMcall_nolink tGPR:$func)]>,
969 Requires<[IsARM, NoV4T, IsNotDarwin]> {
970 let Inst{11-4} = 0b00000000;
971 let Inst{15-12} = 0b1111;
972 let Inst{19-16} = 0b0000;
973 let Inst{27-20} = 0b00011010;
977 // On Darwin R9 is call-clobbered.
979 Defs = [R0, R1, R2, R3, R9, R12, LR,
980 D0, D1, D2, D3, D4, D5, D6, D7,
981 D16, D17, D18, D19, D20, D21, D22, D23,
982 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR] in {
983 def BLr9 : ABXI<0b1011, (outs), (ins i32imm:$func, variable_ops),
984 IIC_Br, "bl\t${func:call}",
985 [(ARMcall tglobaladdr:$func)]>, Requires<[IsARM, IsDarwin]> {
986 let Inst{31-28} = 0b1110;
989 def BLr9_pred : ABI<0b1011, (outs), (ins i32imm:$func, variable_ops),
990 IIC_Br, "bl", "\t${func:call}",
991 [(ARMcall_pred tglobaladdr:$func)]>,
992 Requires<[IsARM, IsDarwin]>;
995 def BLXr9 : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
996 IIC_Br, "blx\t$func",
997 [(ARMcall GPR:$func)]>, Requires<[IsARM, HasV5T, IsDarwin]> {
998 let Inst{7-4} = 0b0011;
999 let Inst{19-8} = 0b111111111111;
1000 let Inst{27-20} = 0b00010010;
1004 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1005 def BXr9 : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1006 IIC_Br, "mov\tlr, pc\n\tbx\t$func",
1007 [(ARMcall_nolink tGPR:$func)]>,
1008 Requires<[IsARM, HasV4T, IsDarwin]> {
1009 let Inst{7-4} = 0b0001;
1010 let Inst{19-8} = 0b111111111111;
1011 let Inst{27-20} = 0b00010010;
1015 def BMOVPCRXr9 : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1016 IIC_Br, "mov\tlr, pc\n\tmov\tpc, $func",
1017 [(ARMcall_nolink tGPR:$func)]>,
1018 Requires<[IsARM, NoV4T, IsDarwin]> {
1019 let Inst{11-4} = 0b00000000;
1020 let Inst{15-12} = 0b1111;
1021 let Inst{19-16} = 0b0000;
1022 let Inst{27-20} = 0b00011010;
1026 let isBranch = 1, isTerminator = 1 in {
1027 // B is "predicable" since it can be xformed into a Bcc.
1028 let isBarrier = 1 in {
1029 let isPredicable = 1 in
1030 def B : ABXI<0b1010, (outs), (ins brtarget:$target), IIC_Br,
1031 "b\t$target", [(br bb:$target)]>;
1033 let isNotDuplicable = 1, isIndirectBranch = 1 in {
1034 def BR_JTr : JTI<(outs), (ins GPR:$target, jtblock_operand:$jt, i32imm:$id),
1035 IIC_Br, "mov\tpc, $target \n$jt",
1036 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]> {
1037 let Inst{11-4} = 0b00000000;
1038 let Inst{15-12} = 0b1111;
1039 let Inst{20} = 0; // S Bit
1040 let Inst{24-21} = 0b1101;
1041 let Inst{27-25} = 0b000;
1043 def BR_JTm : JTI<(outs),
1044 (ins addrmode2:$target, jtblock_operand:$jt, i32imm:$id),
1045 IIC_Br, "ldr\tpc, $target \n$jt",
1046 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
1048 let Inst{15-12} = 0b1111;
1049 let Inst{20} = 1; // L bit
1050 let Inst{21} = 0; // W bit
1051 let Inst{22} = 0; // B bit
1052 let Inst{24} = 1; // P bit
1053 let Inst{27-25} = 0b011;
1055 def BR_JTadd : JTI<(outs),
1056 (ins GPR:$target, GPR:$idx, jtblock_operand:$jt, i32imm:$id),
1057 IIC_Br, "add\tpc, $target, $idx \n$jt",
1058 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
1060 let Inst{15-12} = 0b1111;
1061 let Inst{20} = 0; // S bit
1062 let Inst{24-21} = 0b0100;
1063 let Inst{27-25} = 0b000;
1065 } // isNotDuplicable = 1, isIndirectBranch = 1
1068 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
1069 // a two-value operand where a dag node expects two operands. :(
1070 def Bcc : ABI<0b1010, (outs), (ins brtarget:$target),
1071 IIC_Br, "b", "\t$target",
1072 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]>;
1075 // Branch and Exchange Jazelle -- for disassembly only
1076 def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
1077 [/* For disassembly only; pattern left blank */]> {
1078 let Inst{23-20} = 0b0010;
1079 //let Inst{19-8} = 0xfff;
1080 let Inst{7-4} = 0b0010;
1083 // Secure Monitor Call is a system instruction -- for disassembly only
1084 def SMC : ABI<0b0001, (outs), (ins i32imm:$opt), NoItinerary, "smc", "\t$opt",
1085 [/* For disassembly only; pattern left blank */]> {
1086 let Inst{23-20} = 0b0110;
1087 let Inst{7-4} = 0b0111;
1090 // Supervisor Call (Software Interrupt) -- for disassembly only
1092 def SVC : ABI<0b1111, (outs), (ins i32imm:$svc), IIC_Br, "svc", "\t$svc",
1093 [/* For disassembly only; pattern left blank */]>;
1096 // Store Return State is a system instruction -- for disassembly only
1097 def SRSW : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, i32imm:$mode),
1098 NoItinerary, "srs${addr:submode}\tsp!, $mode",
1099 [/* For disassembly only; pattern left blank */]> {
1100 let Inst{31-28} = 0b1111;
1101 let Inst{22-20} = 0b110; // W = 1
1104 def SRS : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, i32imm:$mode),
1105 NoItinerary, "srs${addr:submode}\tsp, $mode",
1106 [/* For disassembly only; pattern left blank */]> {
1107 let Inst{31-28} = 0b1111;
1108 let Inst{22-20} = 0b100; // W = 0
1111 // Return From Exception is a system instruction -- for disassembly only
1112 def RFEW : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, GPR:$base),
1113 NoItinerary, "rfe${addr:submode}\t$base!",
1114 [/* For disassembly only; pattern left blank */]> {
1115 let Inst{31-28} = 0b1111;
1116 let Inst{22-20} = 0b011; // W = 1
1119 def RFE : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, GPR:$base),
1120 NoItinerary, "rfe${addr:submode}\t$base",
1121 [/* For disassembly only; pattern left blank */]> {
1122 let Inst{31-28} = 0b1111;
1123 let Inst{22-20} = 0b001; // W = 0
1126 //===----------------------------------------------------------------------===//
1127 // Load / store Instructions.
1131 let canFoldAsLoad = 1, isReMaterializable = 1 in
1132 def LDR : AI2ldw<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm, IIC_iLoadr,
1133 "ldr", "\t$dst, $addr",
1134 [(set GPR:$dst, (load addrmode2:$addr))]>;
1136 // Special LDR for loads from non-pc-relative constpools.
1137 let canFoldAsLoad = 1, mayLoad = 1, isReMaterializable = 1 in
1138 def LDRcp : AI2ldw<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm, IIC_iLoadr,
1139 "ldr", "\t$dst, $addr", []>;
1141 // Loads with zero extension
1142 def LDRH : AI3ldh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
1143 IIC_iLoadr, "ldrh", "\t$dst, $addr",
1144 [(set GPR:$dst, (zextloadi16 addrmode3:$addr))]>;
1146 def LDRB : AI2ldb<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm,
1147 IIC_iLoadr, "ldrb", "\t$dst, $addr",
1148 [(set GPR:$dst, (zextloadi8 addrmode2:$addr))]>;
1150 // Loads with sign extension
1151 def LDRSH : AI3ldsh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
1152 IIC_iLoadr, "ldrsh", "\t$dst, $addr",
1153 [(set GPR:$dst, (sextloadi16 addrmode3:$addr))]>;
1155 def LDRSB : AI3ldsb<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
1156 IIC_iLoadr, "ldrsb", "\t$dst, $addr",
1157 [(set GPR:$dst, (sextloadi8 addrmode3:$addr))]>;
1159 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in {
1161 def LDRD : AI3ldd<(outs GPR:$dst1, GPR:$dst2), (ins addrmode3:$addr), LdMiscFrm,
1162 IIC_iLoadr, "ldrd", "\t$dst1, $addr",
1163 []>, Requires<[IsARM, HasV5TE]>;
1166 def LDR_PRE : AI2ldwpr<(outs GPR:$dst, GPR:$base_wb),
1167 (ins addrmode2:$addr), LdFrm, IIC_iLoadru,
1168 "ldr", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1170 def LDR_POST : AI2ldwpo<(outs GPR:$dst, GPR:$base_wb),
1171 (ins GPR:$base, am2offset:$offset), LdFrm, IIC_iLoadru,
1172 "ldr", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1174 def LDRH_PRE : AI3ldhpr<(outs GPR:$dst, GPR:$base_wb),
1175 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadru,
1176 "ldrh", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1178 def LDRH_POST : AI3ldhpo<(outs GPR:$dst, GPR:$base_wb),
1179 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1180 "ldrh", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1182 def LDRB_PRE : AI2ldbpr<(outs GPR:$dst, GPR:$base_wb),
1183 (ins addrmode2:$addr), LdFrm, IIC_iLoadru,
1184 "ldrb", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1186 def LDRB_POST : AI2ldbpo<(outs GPR:$dst, GPR:$base_wb),
1187 (ins GPR:$base,am2offset:$offset), LdFrm, IIC_iLoadru,
1188 "ldrb", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1190 def LDRSH_PRE : AI3ldshpr<(outs GPR:$dst, GPR:$base_wb),
1191 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadru,
1192 "ldrsh", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1194 def LDRSH_POST: AI3ldshpo<(outs GPR:$dst, GPR:$base_wb),
1195 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1196 "ldrsh", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1198 def LDRSB_PRE : AI3ldsbpr<(outs GPR:$dst, GPR:$base_wb),
1199 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadru,
1200 "ldrsb", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1202 def LDRSB_POST: AI3ldsbpo<(outs GPR:$dst, GPR:$base_wb),
1203 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1204 "ldrsb", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1206 // For disassembly only
1207 def LDRD_PRE : AI3lddpr<(outs GPR:$dst1, GPR:$dst2, GPR:$base_wb),
1208 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadr,
1209 "ldrd", "\t$dst1, $dst2, $addr!", "$addr.base = $base_wb", []>,
1210 Requires<[IsARM, HasV5TE]>;
1212 // For disassembly only
1213 def LDRD_POST : AI3lddpo<(outs GPR:$dst1, GPR:$dst2, GPR:$base_wb),
1214 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadr,
1215 "ldrd", "\t$dst1, $dst2, [$base], $offset", "$base = $base_wb", []>,
1216 Requires<[IsARM, HasV5TE]>;
1220 // LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT are for disassembly only.
1222 def LDRT : AI2ldwpo<(outs GPR:$dst, GPR:$base_wb),
1223 (ins GPR:$base, am2offset:$offset), LdFrm, IIC_iLoadru,
1224 "ldrt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1225 let Inst{21} = 1; // overwrite
1228 def LDRBT : AI2ldbpo<(outs GPR:$dst, GPR:$base_wb),
1229 (ins GPR:$base,am2offset:$offset), LdFrm, IIC_iLoadru,
1230 "ldrbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1231 let Inst{21} = 1; // overwrite
1234 def LDRSBT : AI3ldsbpo<(outs GPR:$dst, GPR:$base_wb),
1235 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1236 "ldrsbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1237 let Inst{21} = 1; // overwrite
1240 def LDRHT : AI3ldhpo<(outs GPR:$dst, GPR:$base_wb),
1241 (ins GPR:$base, am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1242 "ldrht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1243 let Inst{21} = 1; // overwrite
1246 def LDRSHT : AI3ldshpo<(outs GPR:$dst, GPR:$base_wb),
1247 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1248 "ldrsht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1249 let Inst{21} = 1; // overwrite
1253 def STR : AI2stw<(outs), (ins GPR:$src, addrmode2:$addr), StFrm, IIC_iStorer,
1254 "str", "\t$src, $addr",
1255 [(store GPR:$src, addrmode2:$addr)]>;
1257 // Stores with truncate
1258 def STRH : AI3sth<(outs), (ins GPR:$src, addrmode3:$addr), StMiscFrm,
1259 IIC_iStorer, "strh", "\t$src, $addr",
1260 [(truncstorei16 GPR:$src, addrmode3:$addr)]>;
1262 def STRB : AI2stb<(outs), (ins GPR:$src, addrmode2:$addr), StFrm, IIC_iStorer,
1263 "strb", "\t$src, $addr",
1264 [(truncstorei8 GPR:$src, addrmode2:$addr)]>;
1267 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
1268 def STRD : AI3std<(outs), (ins GPR:$src1, GPR:$src2, addrmode3:$addr),
1269 StMiscFrm, IIC_iStorer,
1270 "strd", "\t$src1, $addr", []>, Requires<[IsARM, HasV5TE]>;
1273 def STR_PRE : AI2stwpr<(outs GPR:$base_wb),
1274 (ins GPR:$src, GPR:$base, am2offset:$offset),
1275 StFrm, IIC_iStoreru,
1276 "str", "\t$src, [$base, $offset]!", "$base = $base_wb",
1278 (pre_store GPR:$src, GPR:$base, am2offset:$offset))]>;
1280 def STR_POST : AI2stwpo<(outs GPR:$base_wb),
1281 (ins GPR:$src, GPR:$base,am2offset:$offset),
1282 StFrm, IIC_iStoreru,
1283 "str", "\t$src, [$base], $offset", "$base = $base_wb",
1285 (post_store GPR:$src, GPR:$base, am2offset:$offset))]>;
1287 def STRH_PRE : AI3sthpr<(outs GPR:$base_wb),
1288 (ins GPR:$src, GPR:$base,am3offset:$offset),
1289 StMiscFrm, IIC_iStoreru,
1290 "strh", "\t$src, [$base, $offset]!", "$base = $base_wb",
1292 (pre_truncsti16 GPR:$src, GPR:$base,am3offset:$offset))]>;
1294 def STRH_POST: AI3sthpo<(outs GPR:$base_wb),
1295 (ins GPR:$src, GPR:$base,am3offset:$offset),
1296 StMiscFrm, IIC_iStoreru,
1297 "strh", "\t$src, [$base], $offset", "$base = $base_wb",
1298 [(set GPR:$base_wb, (post_truncsti16 GPR:$src,
1299 GPR:$base, am3offset:$offset))]>;
1301 def STRB_PRE : AI2stbpr<(outs GPR:$base_wb),
1302 (ins GPR:$src, GPR:$base,am2offset:$offset),
1303 StFrm, IIC_iStoreru,
1304 "strb", "\t$src, [$base, $offset]!", "$base = $base_wb",
1305 [(set GPR:$base_wb, (pre_truncsti8 GPR:$src,
1306 GPR:$base, am2offset:$offset))]>;
1308 def STRB_POST: AI2stbpo<(outs GPR:$base_wb),
1309 (ins GPR:$src, GPR:$base,am2offset:$offset),
1310 StFrm, IIC_iStoreru,
1311 "strb", "\t$src, [$base], $offset", "$base = $base_wb",
1312 [(set GPR:$base_wb, (post_truncsti8 GPR:$src,
1313 GPR:$base, am2offset:$offset))]>;
1315 // For disassembly only
1316 def STRD_PRE : AI3stdpr<(outs GPR:$base_wb),
1317 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1318 StMiscFrm, IIC_iStoreru,
1319 "strd", "\t$src1, $src2, [$base, $offset]!",
1320 "$base = $base_wb", []>;
1322 // For disassembly only
1323 def STRD_POST: AI3stdpo<(outs GPR:$base_wb),
1324 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1325 StMiscFrm, IIC_iStoreru,
1326 "strd", "\t$src1, $src2, [$base], $offset",
1327 "$base = $base_wb", []>;
1329 // STRT, STRBT, and STRHT are for disassembly only.
1331 def STRT : AI2stwpo<(outs GPR:$base_wb),
1332 (ins GPR:$src, GPR:$base,am2offset:$offset),
1333 StFrm, IIC_iStoreru,
1334 "strt", "\t$src, [$base], $offset", "$base = $base_wb",
1335 [/* For disassembly only; pattern left blank */]> {
1336 let Inst{21} = 1; // overwrite
1339 def STRBT : AI2stbpo<(outs GPR:$base_wb),
1340 (ins GPR:$src, GPR:$base,am2offset:$offset),
1341 StFrm, IIC_iStoreru,
1342 "strbt", "\t$src, [$base], $offset", "$base = $base_wb",
1343 [/* For disassembly only; pattern left blank */]> {
1344 let Inst{21} = 1; // overwrite
1347 def STRHT: AI3sthpo<(outs GPR:$base_wb),
1348 (ins GPR:$src, GPR:$base,am3offset:$offset),
1349 StMiscFrm, IIC_iStoreru,
1350 "strht", "\t$src, [$base], $offset", "$base = $base_wb",
1351 [/* For disassembly only; pattern left blank */]> {
1352 let Inst{21} = 1; // overwrite
1355 //===----------------------------------------------------------------------===//
1356 // Load / store multiple Instructions.
1359 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in {
1360 def LDM : AXI4ld<(outs), (ins addrmode4:$addr, pred:$p,
1361 reglist:$dsts, variable_ops),
1362 IndexModeNone, LdStMulFrm, IIC_iLoadm,
1363 "ldm${addr:submode}${p}\t$addr, $dsts", "", []>;
1365 def LDM_UPD : AXI4ld<(outs GPR:$wb), (ins addrmode4:$addr, pred:$p,
1366 reglist:$dsts, variable_ops),
1367 IndexModeUpd, LdStMulFrm, IIC_iLoadm,
1368 "ldm${addr:submode}${p}\t$addr!, $dsts",
1369 "$addr.addr = $wb", []>;
1370 } // mayLoad, hasExtraDefRegAllocReq
1372 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in {
1373 def STM : AXI4st<(outs), (ins addrmode4:$addr, pred:$p,
1374 reglist:$srcs, variable_ops),
1375 IndexModeNone, LdStMulFrm, IIC_iStorem,
1376 "stm${addr:submode}${p}\t$addr, $srcs", "", []>;
1378 def STM_UPD : AXI4st<(outs GPR:$wb), (ins addrmode4:$addr, pred:$p,
1379 reglist:$srcs, variable_ops),
1380 IndexModeUpd, LdStMulFrm, IIC_iStorem,
1381 "stm${addr:submode}${p}\t$addr!, $srcs",
1382 "$addr.addr = $wb", []>;
1383 } // mayStore, hasExtraSrcRegAllocReq
1385 //===----------------------------------------------------------------------===//
1386 // Move Instructions.
1389 let neverHasSideEffects = 1 in
1390 def MOVr : AsI1<0b1101, (outs GPR:$dst), (ins GPR:$src), DPFrm, IIC_iMOVr,
1391 "mov", "\t$dst, $src", []>, UnaryDP {
1392 let Inst{11-4} = 0b00000000;
1396 def MOVs : AsI1<0b1101, (outs GPR:$dst), (ins so_reg:$src),
1397 DPSoRegFrm, IIC_iMOVsr,
1398 "mov", "\t$dst, $src", [(set GPR:$dst, so_reg:$src)]>, UnaryDP {
1402 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
1403 def MOVi : AsI1<0b1101, (outs GPR:$dst), (ins so_imm:$src), DPFrm, IIC_iMOVi,
1404 "mov", "\t$dst, $src", [(set GPR:$dst, so_imm:$src)]>, UnaryDP {
1408 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
1409 def MOVi16 : AI1<0b1000, (outs GPR:$dst), (ins i32imm:$src),
1411 "movw", "\t$dst, $src",
1412 [(set GPR:$dst, imm0_65535:$src)]>,
1413 Requires<[IsARM, HasV6T2]>, UnaryDP {
1418 let Constraints = "$src = $dst" in
1419 def MOVTi16 : AI1<0b1010, (outs GPR:$dst), (ins GPR:$src, i32imm:$imm),
1421 "movt", "\t$dst, $imm",
1423 (or (and GPR:$src, 0xffff),
1424 lo16AllZero:$imm))]>, UnaryDP,
1425 Requires<[IsARM, HasV6T2]> {
1430 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
1431 Requires<[IsARM, HasV6T2]>;
1433 let Uses = [CPSR] in
1434 def MOVrx : AsI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo, IIC_iMOVsi,
1435 "mov", "\t$dst, $src, rrx",
1436 [(set GPR:$dst, (ARMrrx GPR:$src))]>, UnaryDP;
1438 // These aren't really mov instructions, but we have to define them this way
1439 // due to flag operands.
1441 let Defs = [CPSR] in {
1442 def MOVsrl_flag : AI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo,
1443 IIC_iMOVsi, "movs", "\t$dst, $src, lsr #1",
1444 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP;
1445 def MOVsra_flag : AI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo,
1446 IIC_iMOVsi, "movs", "\t$dst, $src, asr #1",
1447 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP;
1450 //===----------------------------------------------------------------------===//
1451 // Extend Instructions.
1456 defm SXTB : AI_unary_rrot<0b01101010,
1457 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
1458 defm SXTH : AI_unary_rrot<0b01101011,
1459 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
1461 defm SXTAB : AI_bin_rrot<0b01101010,
1462 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
1463 defm SXTAH : AI_bin_rrot<0b01101011,
1464 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
1466 // For disassembly only
1467 defm SXTB16 : AI_unary_rrot_np<0b01101000, "sxtb16">;
1469 // For disassembly only
1470 defm SXTAB16 : AI_bin_rrot_np<0b01101000, "sxtab16">;
1474 let AddedComplexity = 16 in {
1475 defm UXTB : AI_unary_rrot<0b01101110,
1476 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
1477 defm UXTH : AI_unary_rrot<0b01101111,
1478 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
1479 defm UXTB16 : AI_unary_rrot<0b01101100,
1480 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
1482 def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
1483 (UXTB16r_rot GPR:$Src, 24)>;
1484 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
1485 (UXTB16r_rot GPR:$Src, 8)>;
1487 defm UXTAB : AI_bin_rrot<0b01101110, "uxtab",
1488 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
1489 defm UXTAH : AI_bin_rrot<0b01101111, "uxtah",
1490 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
1493 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
1494 // For disassembly only
1495 defm UXTAB16 : AI_bin_rrot_np<0b01101100, "uxtab16">;
1498 def SBFX : I<(outs GPR:$dst),
1499 (ins GPR:$src, imm0_31:$lsb, imm0_31:$width),
1500 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iALUi,
1501 "sbfx", "\t$dst, $src, $lsb, $width", "", []>,
1502 Requires<[IsARM, HasV6T2]> {
1503 let Inst{27-21} = 0b0111101;
1504 let Inst{6-4} = 0b101;
1507 def UBFX : I<(outs GPR:$dst),
1508 (ins GPR:$src, imm0_31:$lsb, imm0_31:$width),
1509 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iALUi,
1510 "ubfx", "\t$dst, $src, $lsb, $width", "", []>,
1511 Requires<[IsARM, HasV6T2]> {
1512 let Inst{27-21} = 0b0111111;
1513 let Inst{6-4} = 0b101;
1516 //===----------------------------------------------------------------------===//
1517 // Arithmetic Instructions.
1520 defm ADD : AsI1_bin_irs<0b0100, "add",
1521 BinOpFrag<(add node:$LHS, node:$RHS)>, 1>;
1522 defm SUB : AsI1_bin_irs<0b0010, "sub",
1523 BinOpFrag<(sub node:$LHS, node:$RHS)>>;
1525 // ADD and SUB with 's' bit set.
1526 defm ADDS : AI1_bin_s_irs<0b0100, "adds",
1527 BinOpFrag<(addc node:$LHS, node:$RHS)>, 1>;
1528 defm SUBS : AI1_bin_s_irs<0b0010, "subs",
1529 BinOpFrag<(subc node:$LHS, node:$RHS)>>;
1531 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
1532 BinOpFrag<(adde_dead_carry node:$LHS, node:$RHS)>, 1>;
1533 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
1534 BinOpFrag<(sube_dead_carry node:$LHS, node:$RHS)>>;
1535 defm ADCS : AI1_adde_sube_s_irs<0b0101, "adcs",
1536 BinOpFrag<(adde_live_carry node:$LHS, node:$RHS)>, 1>;
1537 defm SBCS : AI1_adde_sube_s_irs<0b0110, "sbcs",
1538 BinOpFrag<(sube_live_carry node:$LHS, node:$RHS) >>;
1540 // These don't define reg/reg forms, because they are handled above.
1541 def RSBri : AsI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
1542 IIC_iALUi, "rsb", "\t$dst, $a, $b",
1543 [(set GPR:$dst, (sub so_imm:$b, GPR:$a))]> {
1547 def RSBrs : AsI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
1548 IIC_iALUsr, "rsb", "\t$dst, $a, $b",
1549 [(set GPR:$dst, (sub so_reg:$b, GPR:$a))]> {
1553 // RSB with 's' bit set.
1554 let Defs = [CPSR] in {
1555 def RSBSri : AI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
1556 IIC_iALUi, "rsbs", "\t$dst, $a, $b",
1557 [(set GPR:$dst, (subc so_imm:$b, GPR:$a))]> {
1561 def RSBSrs : AI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
1562 IIC_iALUsr, "rsbs", "\t$dst, $a, $b",
1563 [(set GPR:$dst, (subc so_reg:$b, GPR:$a))]> {
1569 let Uses = [CPSR] in {
1570 def RSCri : AsI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
1571 DPFrm, IIC_iALUi, "rsc", "\t$dst, $a, $b",
1572 [(set GPR:$dst, (sube_dead_carry so_imm:$b, GPR:$a))]>,
1576 def RSCrs : AsI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
1577 DPSoRegFrm, IIC_iALUsr, "rsc", "\t$dst, $a, $b",
1578 [(set GPR:$dst, (sube_dead_carry so_reg:$b, GPR:$a))]>,
1584 // FIXME: Allow these to be predicated.
1585 let Defs = [CPSR], Uses = [CPSR] in {
1586 def RSCSri : AXI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
1587 DPFrm, IIC_iALUi, "rscs\t$dst, $a, $b",
1588 [(set GPR:$dst, (sube_dead_carry so_imm:$b, GPR:$a))]>,
1593 def RSCSrs : AXI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
1594 DPSoRegFrm, IIC_iALUsr, "rscs\t$dst, $a, $b",
1595 [(set GPR:$dst, (sube_dead_carry so_reg:$b, GPR:$a))]>,
1602 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
1603 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
1604 (SUBri GPR:$src, so_imm_neg:$imm)>;
1606 //def : ARMPat<(addc GPR:$src, so_imm_neg:$imm),
1607 // (SUBSri GPR:$src, so_imm_neg:$imm)>;
1608 //def : ARMPat<(adde GPR:$src, so_imm_neg:$imm),
1609 // (SBCri GPR:$src, so_imm_neg:$imm)>;
1611 // Note: These are implemented in C++ code, because they have to generate
1612 // ADD/SUBrs instructions, which use a complex pattern that a xform function
1614 // (mul X, 2^n+1) -> (add (X << n), X)
1615 // (mul X, 2^n-1) -> (rsb X, (X << n))
1617 // ARM Arithmetic Instruction -- for disassembly only
1618 // GPR:$dst = GPR:$a op GPR:$b
1619 class AAI<bits<8> op27_20, bits<4> op7_4, string opc>
1620 : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm, IIC_iALUr,
1621 opc, "\t$dst, $a, $b",
1622 [/* For disassembly only; pattern left blank */]> {
1623 let Inst{27-20} = op27_20;
1624 let Inst{7-4} = op7_4;
1627 // Saturating add/subtract -- for disassembly only
1629 def QADD : AAI<0b00010000, 0b0101, "qadd">;
1630 def QADD16 : AAI<0b01100010, 0b0001, "qadd16">;
1631 def QADD8 : AAI<0b01100010, 0b1001, "qadd8">;
1632 def QASX : AAI<0b01100010, 0b0011, "qasx">;
1633 def QDADD : AAI<0b00010100, 0b0101, "qdadd">;
1634 def QDSUB : AAI<0b00010110, 0b0101, "qdsub">;
1635 def QSAX : AAI<0b01100010, 0b0101, "qsax">;
1636 def QSUB : AAI<0b00010010, 0b0101, "qsub">;
1637 def QSUB16 : AAI<0b01100010, 0b0111, "qsub16">;
1638 def QSUB8 : AAI<0b01100010, 0b1111, "qsub8">;
1639 def UQADD16 : AAI<0b01100110, 0b0001, "uqadd16">;
1640 def UQADD8 : AAI<0b01100110, 0b1001, "uqadd8">;
1641 def UQASX : AAI<0b01100110, 0b0011, "uqasx">;
1642 def UQSAX : AAI<0b01100110, 0b0101, "uqsax">;
1643 def UQSUB16 : AAI<0b01100110, 0b0111, "uqsub16">;
1644 def UQSUB8 : AAI<0b01100110, 0b1111, "uqsub8">;
1646 // Signed/Unsigned add/subtract -- for disassembly only
1648 def SASX : AAI<0b01100001, 0b0011, "sasx">;
1649 def SADD16 : AAI<0b01100001, 0b0001, "sadd16">;
1650 def SADD8 : AAI<0b01100001, 0b1001, "sadd8">;
1651 def SSAX : AAI<0b01100001, 0b0101, "ssax">;
1652 def SSUB16 : AAI<0b01100001, 0b0111, "ssub16">;
1653 def SSUB8 : AAI<0b01100001, 0b1111, "ssub8">;
1654 def UASX : AAI<0b01100101, 0b0011, "uasx">;
1655 def UADD16 : AAI<0b01100101, 0b0001, "uadd16">;
1656 def UADD8 : AAI<0b01100101, 0b1001, "uadd8">;
1657 def USAX : AAI<0b01100101, 0b0101, "usax">;
1658 def USUB16 : AAI<0b01100101, 0b0111, "usub16">;
1659 def USUB8 : AAI<0b01100101, 0b1111, "usub8">;
1661 // Signed/Unsigned halving add/subtract -- for disassembly only
1663 def SHASX : AAI<0b01100011, 0b0011, "shasx">;
1664 def SHADD16 : AAI<0b01100011, 0b0001, "shadd16">;
1665 def SHADD8 : AAI<0b01100011, 0b1001, "shadd8">;
1666 def SHSAX : AAI<0b01100011, 0b0101, "shsax">;
1667 def SHSUB16 : AAI<0b01100011, 0b0111, "shsub16">;
1668 def SHSUB8 : AAI<0b01100011, 0b1111, "shsub8">;
1669 def UHASX : AAI<0b01100111, 0b0011, "uhasx">;
1670 def UHADD16 : AAI<0b01100111, 0b0001, "uhadd16">;
1671 def UHADD8 : AAI<0b01100111, 0b1001, "uhadd8">;
1672 def UHSAX : AAI<0b01100111, 0b0101, "uhsax">;
1673 def UHSUB16 : AAI<0b01100111, 0b0111, "uhsub16">;
1674 def UHSUB8 : AAI<0b01100111, 0b1111, "uhsub8">;
1676 // Unsigned Sum of Absolute Differences [and Accumulate] -- for disassembly only
1678 def USAD8 : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b),
1679 MulFrm /* for convenience */, NoItinerary, "usad8",
1680 "\t$dst, $a, $b", []>,
1681 Requires<[IsARM, HasV6]> {
1682 let Inst{27-20} = 0b01111000;
1683 let Inst{15-12} = 0b1111;
1684 let Inst{7-4} = 0b0001;
1686 def USADA8 : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1687 MulFrm /* for convenience */, NoItinerary, "usada8",
1688 "\t$dst, $a, $b, $acc", []>,
1689 Requires<[IsARM, HasV6]> {
1690 let Inst{27-20} = 0b01111000;
1691 let Inst{7-4} = 0b0001;
1694 // Signed/Unsigned saturate -- for disassembly only
1696 def SSATlsl : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a, i32imm:$shamt),
1697 DPFrm, NoItinerary, "ssat", "\t$dst, $bit_pos, $a, lsl $shamt",
1698 [/* For disassembly only; pattern left blank */]> {
1699 let Inst{27-21} = 0b0110101;
1700 let Inst{6-4} = 0b001;
1703 def SSATasr : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a, i32imm:$shamt),
1704 DPFrm, NoItinerary, "ssat", "\t$dst, $bit_pos, $a, asr $shamt",
1705 [/* For disassembly only; pattern left blank */]> {
1706 let Inst{27-21} = 0b0110101;
1707 let Inst{6-4} = 0b101;
1710 def SSAT16 : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a), DPFrm,
1711 NoItinerary, "ssat16", "\t$dst, $bit_pos, $a",
1712 [/* For disassembly only; pattern left blank */]> {
1713 let Inst{27-20} = 0b01101010;
1714 let Inst{7-4} = 0b0011;
1717 def USATlsl : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a, i32imm:$shamt),
1718 DPFrm, NoItinerary, "usat", "\t$dst, $bit_pos, $a, lsl $shamt",
1719 [/* For disassembly only; pattern left blank */]> {
1720 let Inst{27-21} = 0b0110111;
1721 let Inst{6-4} = 0b001;
1724 def USATasr : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a, i32imm:$shamt),
1725 DPFrm, NoItinerary, "usat", "\t$dst, $bit_pos, $a, asr $shamt",
1726 [/* For disassembly only; pattern left blank */]> {
1727 let Inst{27-21} = 0b0110111;
1728 let Inst{6-4} = 0b101;
1731 def USAT16 : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a), DPFrm,
1732 NoItinerary, "usat16", "\t$dst, $bit_pos, $a",
1733 [/* For disassembly only; pattern left blank */]> {
1734 let Inst{27-20} = 0b01101110;
1735 let Inst{7-4} = 0b0011;
1738 //===----------------------------------------------------------------------===//
1739 // Bitwise Instructions.
1742 defm AND : AsI1_bin_irs<0b0000, "and",
1743 BinOpFrag<(and node:$LHS, node:$RHS)>, 1>;
1744 defm ORR : AsI1_bin_irs<0b1100, "orr",
1745 BinOpFrag<(or node:$LHS, node:$RHS)>, 1>;
1746 defm EOR : AsI1_bin_irs<0b0001, "eor",
1747 BinOpFrag<(xor node:$LHS, node:$RHS)>, 1>;
1748 defm BIC : AsI1_bin_irs<0b1110, "bic",
1749 BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
1751 def BFC : I<(outs GPR:$dst), (ins GPR:$src, bf_inv_mask_imm:$imm),
1752 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
1753 "bfc", "\t$dst, $imm", "$src = $dst",
1754 [(set GPR:$dst, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
1755 Requires<[IsARM, HasV6T2]> {
1756 let Inst{27-21} = 0b0111110;
1757 let Inst{6-0} = 0b0011111;
1760 // A8.6.18 BFI - Bitfield insert (Encoding A1)
1761 // Added for disassembler with the pattern field purposely left blank.
1762 def BFI : I<(outs GPR:$dst), (ins GPR:$src, bf_inv_mask_imm:$imm),
1763 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
1764 "bfi", "\t$dst, $src, $imm", "",
1765 [/* For disassembly only; pattern left blank */]>,
1766 Requires<[IsARM, HasV6T2]> {
1767 let Inst{27-21} = 0b0111110;
1768 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
1771 def MVNr : AsI1<0b1111, (outs GPR:$dst), (ins GPR:$src), DPFrm, IIC_iMOVr,
1772 "mvn", "\t$dst, $src",
1773 [(set GPR:$dst, (not GPR:$src))]>, UnaryDP {
1775 let Inst{11-4} = 0b00000000;
1777 def MVNs : AsI1<0b1111, (outs GPR:$dst), (ins so_reg:$src), DPSoRegFrm,
1778 IIC_iMOVsr, "mvn", "\t$dst, $src",
1779 [(set GPR:$dst, (not so_reg:$src))]>, UnaryDP {
1782 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
1783 def MVNi : AsI1<0b1111, (outs GPR:$dst), (ins so_imm:$imm), DPFrm,
1784 IIC_iMOVi, "mvn", "\t$dst, $imm",
1785 [(set GPR:$dst, so_imm_not:$imm)]>,UnaryDP {
1789 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
1790 (BICri GPR:$src, so_imm_not:$imm)>;
1792 //===----------------------------------------------------------------------===//
1793 // Multiply Instructions.
1796 let isCommutable = 1 in
1797 def MUL : AsMul1I<0b0000000, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1798 IIC_iMUL32, "mul", "\t$dst, $a, $b",
1799 [(set GPR:$dst, (mul GPR:$a, GPR:$b))]>;
1801 def MLA : AsMul1I<0b0000001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1802 IIC_iMAC32, "mla", "\t$dst, $a, $b, $c",
1803 [(set GPR:$dst, (add (mul GPR:$a, GPR:$b), GPR:$c))]>;
1805 def MLS : AMul1I<0b0000011, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1806 IIC_iMAC32, "mls", "\t$dst, $a, $b, $c",
1807 [(set GPR:$dst, (sub GPR:$c, (mul GPR:$a, GPR:$b)))]>,
1808 Requires<[IsARM, HasV6T2]>;
1810 // Extra precision multiplies with low / high results
1811 let neverHasSideEffects = 1 in {
1812 let isCommutable = 1 in {
1813 def SMULL : AsMul1I<0b0000110, (outs GPR:$ldst, GPR:$hdst),
1814 (ins GPR:$a, GPR:$b), IIC_iMUL64,
1815 "smull", "\t$ldst, $hdst, $a, $b", []>;
1817 def UMULL : AsMul1I<0b0000100, (outs GPR:$ldst, GPR:$hdst),
1818 (ins GPR:$a, GPR:$b), IIC_iMUL64,
1819 "umull", "\t$ldst, $hdst, $a, $b", []>;
1822 // Multiply + accumulate
1823 def SMLAL : AsMul1I<0b0000111, (outs GPR:$ldst, GPR:$hdst),
1824 (ins GPR:$a, GPR:$b), IIC_iMAC64,
1825 "smlal", "\t$ldst, $hdst, $a, $b", []>;
1827 def UMLAL : AsMul1I<0b0000101, (outs GPR:$ldst, GPR:$hdst),
1828 (ins GPR:$a, GPR:$b), IIC_iMAC64,
1829 "umlal", "\t$ldst, $hdst, $a, $b", []>;
1831 def UMAAL : AMul1I <0b0000010, (outs GPR:$ldst, GPR:$hdst),
1832 (ins GPR:$a, GPR:$b), IIC_iMAC64,
1833 "umaal", "\t$ldst, $hdst, $a, $b", []>,
1834 Requires<[IsARM, HasV6]>;
1835 } // neverHasSideEffects
1837 // Most significant word multiply
1838 def SMMUL : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1839 IIC_iMUL32, "smmul", "\t$dst, $a, $b",
1840 [(set GPR:$dst, (mulhs GPR:$a, GPR:$b))]>,
1841 Requires<[IsARM, HasV6]> {
1842 let Inst{7-4} = 0b0001;
1843 let Inst{15-12} = 0b1111;
1846 def SMMULR : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1847 IIC_iMUL32, "smmulr", "\t$dst, $a, $b",
1848 [/* For disassembly only; pattern left blank */]>,
1849 Requires<[IsARM, HasV6]> {
1850 let Inst{7-4} = 0b0011; // R = 1
1851 let Inst{15-12} = 0b1111;
1854 def SMMLA : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1855 IIC_iMAC32, "smmla", "\t$dst, $a, $b, $c",
1856 [(set GPR:$dst, (add (mulhs GPR:$a, GPR:$b), GPR:$c))]>,
1857 Requires<[IsARM, HasV6]> {
1858 let Inst{7-4} = 0b0001;
1861 def SMMLAR : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1862 IIC_iMAC32, "smmlar", "\t$dst, $a, $b, $c",
1863 [/* For disassembly only; pattern left blank */]>,
1864 Requires<[IsARM, HasV6]> {
1865 let Inst{7-4} = 0b0011; // R = 1
1868 def SMMLS : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1869 IIC_iMAC32, "smmls", "\t$dst, $a, $b, $c",
1870 [(set GPR:$dst, (sub GPR:$c, (mulhs GPR:$a, GPR:$b)))]>,
1871 Requires<[IsARM, HasV6]> {
1872 let Inst{7-4} = 0b1101;
1875 def SMMLSR : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1876 IIC_iMAC32, "smmlsr", "\t$dst, $a, $b, $c",
1877 [/* For disassembly only; pattern left blank */]>,
1878 Requires<[IsARM, HasV6]> {
1879 let Inst{7-4} = 0b1111; // R = 1
1882 multiclass AI_smul<string opc, PatFrag opnode> {
1883 def BB : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1884 IIC_iMUL32, !strconcat(opc, "bb"), "\t$dst, $a, $b",
1885 [(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16),
1886 (sext_inreg GPR:$b, i16)))]>,
1887 Requires<[IsARM, HasV5TE]> {
1892 def BT : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1893 IIC_iMUL32, !strconcat(opc, "bt"), "\t$dst, $a, $b",
1894 [(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16),
1895 (sra GPR:$b, (i32 16))))]>,
1896 Requires<[IsARM, HasV5TE]> {
1901 def TB : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1902 IIC_iMUL32, !strconcat(opc, "tb"), "\t$dst, $a, $b",
1903 [(set GPR:$dst, (opnode (sra GPR:$a, (i32 16)),
1904 (sext_inreg GPR:$b, i16)))]>,
1905 Requires<[IsARM, HasV5TE]> {
1910 def TT : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1911 IIC_iMUL32, !strconcat(opc, "tt"), "\t$dst, $a, $b",
1912 [(set GPR:$dst, (opnode (sra GPR:$a, (i32 16)),
1913 (sra GPR:$b, (i32 16))))]>,
1914 Requires<[IsARM, HasV5TE]> {
1919 def WB : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1920 IIC_iMUL16, !strconcat(opc, "wb"), "\t$dst, $a, $b",
1921 [(set GPR:$dst, (sra (opnode GPR:$a,
1922 (sext_inreg GPR:$b, i16)), (i32 16)))]>,
1923 Requires<[IsARM, HasV5TE]> {
1928 def WT : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1929 IIC_iMUL16, !strconcat(opc, "wt"), "\t$dst, $a, $b",
1930 [(set GPR:$dst, (sra (opnode GPR:$a,
1931 (sra GPR:$b, (i32 16))), (i32 16)))]>,
1932 Requires<[IsARM, HasV5TE]> {
1939 multiclass AI_smla<string opc, PatFrag opnode> {
1940 def BB : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1941 IIC_iMAC16, !strconcat(opc, "bb"), "\t$dst, $a, $b, $acc",
1942 [(set GPR:$dst, (add GPR:$acc,
1943 (opnode (sext_inreg GPR:$a, i16),
1944 (sext_inreg GPR:$b, i16))))]>,
1945 Requires<[IsARM, HasV5TE]> {
1950 def BT : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1951 IIC_iMAC16, !strconcat(opc, "bt"), "\t$dst, $a, $b, $acc",
1952 [(set GPR:$dst, (add GPR:$acc, (opnode (sext_inreg GPR:$a, i16),
1953 (sra GPR:$b, (i32 16)))))]>,
1954 Requires<[IsARM, HasV5TE]> {
1959 def TB : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1960 IIC_iMAC16, !strconcat(opc, "tb"), "\t$dst, $a, $b, $acc",
1961 [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, (i32 16)),
1962 (sext_inreg GPR:$b, i16))))]>,
1963 Requires<[IsARM, HasV5TE]> {
1968 def TT : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1969 IIC_iMAC16, !strconcat(opc, "tt"), "\t$dst, $a, $b, $acc",
1970 [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, (i32 16)),
1971 (sra GPR:$b, (i32 16)))))]>,
1972 Requires<[IsARM, HasV5TE]> {
1977 def WB : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1978 IIC_iMAC16, !strconcat(opc, "wb"), "\t$dst, $a, $b, $acc",
1979 [(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a,
1980 (sext_inreg GPR:$b, i16)), (i32 16))))]>,
1981 Requires<[IsARM, HasV5TE]> {
1986 def WT : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1987 IIC_iMAC16, !strconcat(opc, "wt"), "\t$dst, $a, $b, $acc",
1988 [(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a,
1989 (sra GPR:$b, (i32 16))), (i32 16))))]>,
1990 Requires<[IsARM, HasV5TE]> {
1996 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
1997 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
1999 // Halfword multiply accumulate long: SMLAL<x><y> -- for disassembly only
2000 def SMLALBB : AMulxyI<0b0001010,(outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
2001 IIC_iMAC64, "smlalbb", "\t$ldst, $hdst, $a, $b",
2002 [/* For disassembly only; pattern left blank */]>,
2003 Requires<[IsARM, HasV5TE]> {
2008 def SMLALBT : AMulxyI<0b0001010,(outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
2009 IIC_iMAC64, "smlalbt", "\t$ldst, $hdst, $a, $b",
2010 [/* For disassembly only; pattern left blank */]>,
2011 Requires<[IsARM, HasV5TE]> {
2016 def SMLALTB : AMulxyI<0b0001010,(outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
2017 IIC_iMAC64, "smlaltb", "\t$ldst, $hdst, $a, $b",
2018 [/* For disassembly only; pattern left blank */]>,
2019 Requires<[IsARM, HasV5TE]> {
2024 def SMLALTT : AMulxyI<0b0001010,(outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
2025 IIC_iMAC64, "smlaltt", "\t$ldst, $hdst, $a, $b",
2026 [/* For disassembly only; pattern left blank */]>,
2027 Requires<[IsARM, HasV5TE]> {
2032 // Helper class for AI_smld -- for disassembly only
2033 class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
2034 InstrItinClass itin, string opc, string asm>
2035 : AI<oops, iops, MulFrm, itin, opc, asm, []>, Requires<[IsARM, HasV6]> {
2040 let Inst{21-20} = 0b00;
2041 let Inst{22} = long;
2042 let Inst{27-23} = 0b01110;
2045 multiclass AI_smld<bit sub, string opc> {
2047 def D : AMulDualI<0, sub, 0, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2048 NoItinerary, !strconcat(opc, "d"), "\t$dst, $a, $b, $acc">;
2050 def DX : AMulDualI<0, sub, 1, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2051 NoItinerary, !strconcat(opc, "dx"), "\t$dst, $a, $b, $acc">;
2053 def LD : AMulDualI<1, sub, 0, (outs GPR:$ldst,GPR:$hdst), (ins GPR:$a,GPR:$b),
2054 NoItinerary, !strconcat(opc, "ld"), "\t$ldst, $hdst, $a, $b">;
2056 def LDX : AMulDualI<1, sub, 1, (outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
2057 NoItinerary, !strconcat(opc, "ldx"),"\t$ldst, $hdst, $a, $b">;
2061 defm SMLA : AI_smld<0, "smla">;
2062 defm SMLS : AI_smld<1, "smls">;
2064 multiclass AI_sdml<bit sub, string opc> {
2066 def D : AMulDualI<0, sub, 0, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2067 NoItinerary, !strconcat(opc, "d"), "\t$dst, $a, $b"> {
2068 let Inst{15-12} = 0b1111;
2071 def DX : AMulDualI<0, sub, 1, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2072 NoItinerary, !strconcat(opc, "dx"), "\t$dst, $a, $b"> {
2073 let Inst{15-12} = 0b1111;
2078 defm SMUA : AI_sdml<0, "smua">;
2079 defm SMUS : AI_sdml<1, "smus">;
2081 //===----------------------------------------------------------------------===//
2082 // Misc. Arithmetic Instructions.
2085 def CLZ : AMiscA1I<0b000010110, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
2086 "clz", "\t$dst, $src",
2087 [(set GPR:$dst, (ctlz GPR:$src))]>, Requires<[IsARM, HasV5T]> {
2088 let Inst{7-4} = 0b0001;
2089 let Inst{11-8} = 0b1111;
2090 let Inst{19-16} = 0b1111;
2093 def RBIT : AMiscA1I<0b01101111, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
2094 "rbit", "\t$dst, $src",
2095 [(set GPR:$dst, (ARMrbit GPR:$src))]>,
2096 Requires<[IsARM, HasV6T2]> {
2097 let Inst{7-4} = 0b0011;
2098 let Inst{11-8} = 0b1111;
2099 let Inst{19-16} = 0b1111;
2102 def REV : AMiscA1I<0b01101011, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
2103 "rev", "\t$dst, $src",
2104 [(set GPR:$dst, (bswap GPR:$src))]>, Requires<[IsARM, HasV6]> {
2105 let Inst{7-4} = 0b0011;
2106 let Inst{11-8} = 0b1111;
2107 let Inst{19-16} = 0b1111;
2110 def REV16 : AMiscA1I<0b01101011, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
2111 "rev16", "\t$dst, $src",
2113 (or (and (srl GPR:$src, (i32 8)), 0xFF),
2114 (or (and (shl GPR:$src, (i32 8)), 0xFF00),
2115 (or (and (srl GPR:$src, (i32 8)), 0xFF0000),
2116 (and (shl GPR:$src, (i32 8)), 0xFF000000)))))]>,
2117 Requires<[IsARM, HasV6]> {
2118 let Inst{7-4} = 0b1011;
2119 let Inst{11-8} = 0b1111;
2120 let Inst{19-16} = 0b1111;
2123 def REVSH : AMiscA1I<0b01101111, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
2124 "revsh", "\t$dst, $src",
2127 (or (srl (and GPR:$src, 0xFF00), (i32 8)),
2128 (shl GPR:$src, (i32 8))), i16))]>,
2129 Requires<[IsARM, HasV6]> {
2130 let Inst{7-4} = 0b1011;
2131 let Inst{11-8} = 0b1111;
2132 let Inst{19-16} = 0b1111;
2135 def PKHBT : AMiscA1I<0b01101000, (outs GPR:$dst),
2136 (ins GPR:$src1, GPR:$src2, i32imm:$shamt),
2137 IIC_iALUsi, "pkhbt", "\t$dst, $src1, $src2, lsl $shamt",
2138 [(set GPR:$dst, (or (and GPR:$src1, 0xFFFF),
2139 (and (shl GPR:$src2, (i32 imm:$shamt)),
2141 Requires<[IsARM, HasV6]> {
2142 let Inst{6-4} = 0b001;
2145 // Alternate cases for PKHBT where identities eliminate some nodes.
2146 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF), (and GPR:$src2, 0xFFFF0000)),
2147 (PKHBT GPR:$src1, GPR:$src2, 0)>;
2148 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF), (shl GPR:$src2, imm16_31:$shamt)),
2149 (PKHBT GPR:$src1, GPR:$src2, imm16_31:$shamt)>;
2152 def PKHTB : AMiscA1I<0b01101000, (outs GPR:$dst),
2153 (ins GPR:$src1, GPR:$src2, i32imm:$shamt),
2154 IIC_iALUsi, "pkhtb", "\t$dst, $src1, $src2, asr $shamt",
2155 [(set GPR:$dst, (or (and GPR:$src1, 0xFFFF0000),
2156 (and (sra GPR:$src2, imm16_31:$shamt),
2157 0xFFFF)))]>, Requires<[IsARM, HasV6]> {
2158 let Inst{6-4} = 0b101;
2161 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
2162 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
2163 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000), (srl GPR:$src2, (i32 16))),
2164 (PKHTB GPR:$src1, GPR:$src2, 16)>;
2165 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000),
2166 (and (srl GPR:$src2, imm1_15:$shamt), 0xFFFF)),
2167 (PKHTB GPR:$src1, GPR:$src2, imm1_15:$shamt)>;
2169 //===----------------------------------------------------------------------===//
2170 // Comparison Instructions...
2173 defm CMP : AI1_cmp_irs<0b1010, "cmp",
2174 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
2175 //FIXME: Disable CMN, as CCodes are backwards from compare expectations
2176 // Compare-to-zero still works out, just not the relationals
2177 //defm CMN : AI1_cmp_irs<0b1011, "cmn",
2178 // BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
2180 // Note that TST/TEQ don't set all the same flags that CMP does!
2181 defm TST : AI1_cmp_irs<0b1000, "tst",
2182 BinOpFrag<(ARMcmpZ (and node:$LHS, node:$RHS), 0)>, 1>;
2183 defm TEQ : AI1_cmp_irs<0b1001, "teq",
2184 BinOpFrag<(ARMcmpZ (xor node:$LHS, node:$RHS), 0)>, 1>;
2186 defm CMPz : AI1_cmp_irs<0b1010, "cmp",
2187 BinOpFrag<(ARMcmpZ node:$LHS, node:$RHS)>>;
2188 defm CMNz : AI1_cmp_irs<0b1011, "cmn",
2189 BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>>;
2191 //def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
2192 // (CMNri GPR:$src, so_imm_neg:$imm)>;
2194 def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
2195 (CMNzri GPR:$src, so_imm_neg:$imm)>;
2198 // Conditional moves
2199 // FIXME: should be able to write a pattern for ARMcmov, but can't use
2200 // a two-value operand where a dag node expects two operands. :(
2201 def MOVCCr : AI1<0b1101, (outs GPR:$dst), (ins GPR:$false, GPR:$true), DPFrm,
2202 IIC_iCMOVr, "mov", "\t$dst, $true",
2203 [/*(set GPR:$dst, (ARMcmov GPR:$false, GPR:$true, imm:$cc, CCR:$ccr))*/]>,
2204 RegConstraint<"$false = $dst">, UnaryDP {
2205 let Inst{11-4} = 0b00000000;
2209 def MOVCCs : AI1<0b1101, (outs GPR:$dst),
2210 (ins GPR:$false, so_reg:$true), DPSoRegFrm, IIC_iCMOVsr,
2211 "mov", "\t$dst, $true",
2212 [/*(set GPR:$dst, (ARMcmov GPR:$false, so_reg:$true, imm:$cc, CCR:$ccr))*/]>,
2213 RegConstraint<"$false = $dst">, UnaryDP {
2217 def MOVCCi : AI1<0b1101, (outs GPR:$dst),
2218 (ins GPR:$false, so_imm:$true), DPFrm, IIC_iCMOVi,
2219 "mov", "\t$dst, $true",
2220 [/*(set GPR:$dst, (ARMcmov GPR:$false, so_imm:$true, imm:$cc, CCR:$ccr))*/]>,
2221 RegConstraint<"$false = $dst">, UnaryDP {
2225 //===----------------------------------------------------------------------===//
2226 // Atomic operations intrinsics
2229 // memory barriers protect the atomic sequences
2230 let hasSideEffects = 1 in {
2231 def Int_MemBarrierV7 : AInoP<(outs), (ins),
2232 Pseudo, NoItinerary,
2234 [(ARMMemBarrierV7)]>,
2235 Requires<[IsARM, HasV7]> {
2236 let Inst{31-4} = 0xf57ff05;
2237 // FIXME: add support for options other than a full system DMB
2238 // See DMB disassembly-only variants below.
2239 let Inst{3-0} = 0b1111;
2242 def Int_SyncBarrierV7 : AInoP<(outs), (ins),
2243 Pseudo, NoItinerary,
2245 [(ARMSyncBarrierV7)]>,
2246 Requires<[IsARM, HasV7]> {
2247 let Inst{31-4} = 0xf57ff04;
2248 // FIXME: add support for options other than a full system DSB
2249 // See DSB disassembly-only variants below.
2250 let Inst{3-0} = 0b1111;
2253 def Int_MemBarrierV6 : AInoP<(outs), (ins GPR:$zero),
2254 Pseudo, NoItinerary,
2255 "mcr", "\tp15, 0, $zero, c7, c10, 5",
2256 [(ARMMemBarrierV6 GPR:$zero)]>,
2257 Requires<[IsARM, HasV6]> {
2258 // FIXME: add support for options other than a full system DMB
2259 // FIXME: add encoding
2262 def Int_SyncBarrierV6 : AInoP<(outs), (ins GPR:$zero),
2263 Pseudo, NoItinerary,
2264 "mcr", "\tp15, 0, $zero, c7, c10, 4",
2265 [(ARMSyncBarrierV6 GPR:$zero)]>,
2266 Requires<[IsARM, HasV6]> {
2267 // FIXME: add support for options other than a full system DSB
2268 // FIXME: add encoding
2272 // Helper class for multiclass MemB -- for disassembly only
2273 class AMBI<string opc, string asm>
2274 : AInoP<(outs), (ins), MiscFrm, NoItinerary, opc, asm,
2275 [/* For disassembly only; pattern left blank */]>,
2276 Requires<[IsARM, HasV7]> {
2277 let Inst{31-20} = 0xf57;
2280 multiclass MemB<bits<4> op7_4, string opc> {
2282 def st : AMBI<opc, "\tst"> {
2283 let Inst{7-4} = op7_4;
2284 let Inst{3-0} = 0b1110;
2287 def ish : AMBI<opc, "\tish"> {
2288 let Inst{7-4} = op7_4;
2289 let Inst{3-0} = 0b1011;
2292 def ishst : AMBI<opc, "\tishst"> {
2293 let Inst{7-4} = op7_4;
2294 let Inst{3-0} = 0b1010;
2297 def nsh : AMBI<opc, "\tnsh"> {
2298 let Inst{7-4} = op7_4;
2299 let Inst{3-0} = 0b0111;
2302 def nshst : AMBI<opc, "\tnshst"> {
2303 let Inst{7-4} = op7_4;
2304 let Inst{3-0} = 0b0110;
2307 def osh : AMBI<opc, "\tosh"> {
2308 let Inst{7-4} = op7_4;
2309 let Inst{3-0} = 0b0011;
2312 def oshst : AMBI<opc, "\toshst"> {
2313 let Inst{7-4} = op7_4;
2314 let Inst{3-0} = 0b0010;
2318 // These DMB variants are for disassembly only.
2319 defm DMB : MemB<0b0101, "dmb">;
2321 // These DSB variants are for disassembly only.
2322 defm DSB : MemB<0b0100, "dsb">;
2324 // ISB has only full system option -- for disassembly only
2325 def ISBsy : AMBI<"isb", ""> {
2326 let Inst{7-4} = 0b0110;
2327 let Inst{3-0} = 0b1111;
2330 let usesCustomInserter = 1 in {
2331 let Uses = [CPSR] in {
2332 def ATOMIC_LOAD_ADD_I8 : PseudoInst<
2333 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2334 "${:comment} ATOMIC_LOAD_ADD_I8 PSEUDO!",
2335 [(set GPR:$dst, (atomic_load_add_8 GPR:$ptr, GPR:$incr))]>;
2336 def ATOMIC_LOAD_SUB_I8 : PseudoInst<
2337 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2338 "${:comment} ATOMIC_LOAD_SUB_I8 PSEUDO!",
2339 [(set GPR:$dst, (atomic_load_sub_8 GPR:$ptr, GPR:$incr))]>;
2340 def ATOMIC_LOAD_AND_I8 : PseudoInst<
2341 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2342 "${:comment} ATOMIC_LOAD_AND_I8 PSEUDO!",
2343 [(set GPR:$dst, (atomic_load_and_8 GPR:$ptr, GPR:$incr))]>;
2344 def ATOMIC_LOAD_OR_I8 : PseudoInst<
2345 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2346 "${:comment} ATOMIC_LOAD_OR_I8 PSEUDO!",
2347 [(set GPR:$dst, (atomic_load_or_8 GPR:$ptr, GPR:$incr))]>;
2348 def ATOMIC_LOAD_XOR_I8 : PseudoInst<
2349 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2350 "${:comment} ATOMIC_LOAD_XOR_I8 PSEUDO!",
2351 [(set GPR:$dst, (atomic_load_xor_8 GPR:$ptr, GPR:$incr))]>;
2352 def ATOMIC_LOAD_NAND_I8 : PseudoInst<
2353 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2354 "${:comment} ATOMIC_LOAD_NAND_I8 PSEUDO!",
2355 [(set GPR:$dst, (atomic_load_nand_8 GPR:$ptr, GPR:$incr))]>;
2356 def ATOMIC_LOAD_ADD_I16 : PseudoInst<
2357 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2358 "${:comment} ATOMIC_LOAD_ADD_I16 PSEUDO!",
2359 [(set GPR:$dst, (atomic_load_add_16 GPR:$ptr, GPR:$incr))]>;
2360 def ATOMIC_LOAD_SUB_I16 : PseudoInst<
2361 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2362 "${:comment} ATOMIC_LOAD_SUB_I16 PSEUDO!",
2363 [(set GPR:$dst, (atomic_load_sub_16 GPR:$ptr, GPR:$incr))]>;
2364 def ATOMIC_LOAD_AND_I16 : PseudoInst<
2365 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2366 "${:comment} ATOMIC_LOAD_AND_I16 PSEUDO!",
2367 [(set GPR:$dst, (atomic_load_and_16 GPR:$ptr, GPR:$incr))]>;
2368 def ATOMIC_LOAD_OR_I16 : PseudoInst<
2369 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2370 "${:comment} ATOMIC_LOAD_OR_I16 PSEUDO!",
2371 [(set GPR:$dst, (atomic_load_or_16 GPR:$ptr, GPR:$incr))]>;
2372 def ATOMIC_LOAD_XOR_I16 : PseudoInst<
2373 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2374 "${:comment} ATOMIC_LOAD_XOR_I16 PSEUDO!",
2375 [(set GPR:$dst, (atomic_load_xor_16 GPR:$ptr, GPR:$incr))]>;
2376 def ATOMIC_LOAD_NAND_I16 : PseudoInst<
2377 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2378 "${:comment} ATOMIC_LOAD_NAND_I16 PSEUDO!",
2379 [(set GPR:$dst, (atomic_load_nand_16 GPR:$ptr, GPR:$incr))]>;
2380 def ATOMIC_LOAD_ADD_I32 : PseudoInst<
2381 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2382 "${:comment} ATOMIC_LOAD_ADD_I32 PSEUDO!",
2383 [(set GPR:$dst, (atomic_load_add_32 GPR:$ptr, GPR:$incr))]>;
2384 def ATOMIC_LOAD_SUB_I32 : PseudoInst<
2385 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2386 "${:comment} ATOMIC_LOAD_SUB_I32 PSEUDO!",
2387 [(set GPR:$dst, (atomic_load_sub_32 GPR:$ptr, GPR:$incr))]>;
2388 def ATOMIC_LOAD_AND_I32 : PseudoInst<
2389 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2390 "${:comment} ATOMIC_LOAD_AND_I32 PSEUDO!",
2391 [(set GPR:$dst, (atomic_load_and_32 GPR:$ptr, GPR:$incr))]>;
2392 def ATOMIC_LOAD_OR_I32 : PseudoInst<
2393 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2394 "${:comment} ATOMIC_LOAD_OR_I32 PSEUDO!",
2395 [(set GPR:$dst, (atomic_load_or_32 GPR:$ptr, GPR:$incr))]>;
2396 def ATOMIC_LOAD_XOR_I32 : PseudoInst<
2397 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2398 "${:comment} ATOMIC_LOAD_XOR_I32 PSEUDO!",
2399 [(set GPR:$dst, (atomic_load_xor_32 GPR:$ptr, GPR:$incr))]>;
2400 def ATOMIC_LOAD_NAND_I32 : PseudoInst<
2401 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2402 "${:comment} ATOMIC_LOAD_NAND_I32 PSEUDO!",
2403 [(set GPR:$dst, (atomic_load_nand_32 GPR:$ptr, GPR:$incr))]>;
2405 def ATOMIC_SWAP_I8 : PseudoInst<
2406 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
2407 "${:comment} ATOMIC_SWAP_I8 PSEUDO!",
2408 [(set GPR:$dst, (atomic_swap_8 GPR:$ptr, GPR:$new))]>;
2409 def ATOMIC_SWAP_I16 : PseudoInst<
2410 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
2411 "${:comment} ATOMIC_SWAP_I16 PSEUDO!",
2412 [(set GPR:$dst, (atomic_swap_16 GPR:$ptr, GPR:$new))]>;
2413 def ATOMIC_SWAP_I32 : PseudoInst<
2414 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
2415 "${:comment} ATOMIC_SWAP_I32 PSEUDO!",
2416 [(set GPR:$dst, (atomic_swap_32 GPR:$ptr, GPR:$new))]>;
2418 def ATOMIC_CMP_SWAP_I8 : PseudoInst<
2419 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
2420 "${:comment} ATOMIC_CMP_SWAP_I8 PSEUDO!",
2421 [(set GPR:$dst, (atomic_cmp_swap_8 GPR:$ptr, GPR:$old, GPR:$new))]>;
2422 def ATOMIC_CMP_SWAP_I16 : PseudoInst<
2423 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
2424 "${:comment} ATOMIC_CMP_SWAP_I16 PSEUDO!",
2425 [(set GPR:$dst, (atomic_cmp_swap_16 GPR:$ptr, GPR:$old, GPR:$new))]>;
2426 def ATOMIC_CMP_SWAP_I32 : PseudoInst<
2427 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
2428 "${:comment} ATOMIC_CMP_SWAP_I32 PSEUDO!",
2429 [(set GPR:$dst, (atomic_cmp_swap_32 GPR:$ptr, GPR:$old, GPR:$new))]>;
2433 let mayLoad = 1 in {
2434 def LDREXB : AIldrex<0b10, (outs GPR:$dest), (ins GPR:$ptr), NoItinerary,
2435 "ldrexb", "\t$dest, [$ptr]",
2437 def LDREXH : AIldrex<0b11, (outs GPR:$dest), (ins GPR:$ptr), NoItinerary,
2438 "ldrexh", "\t$dest, [$ptr]",
2440 def LDREX : AIldrex<0b00, (outs GPR:$dest), (ins GPR:$ptr), NoItinerary,
2441 "ldrex", "\t$dest, [$ptr]",
2443 def LDREXD : AIldrex<0b01, (outs GPR:$dest, GPR:$dest2), (ins GPR:$ptr),
2445 "ldrexd", "\t$dest, $dest2, [$ptr]",
2449 let mayStore = 1, Constraints = "@earlyclobber $success" in {
2450 def STREXB : AIstrex<0b10, (outs GPR:$success), (ins GPR:$src, GPR:$ptr),
2452 "strexb", "\t$success, $src, [$ptr]",
2454 def STREXH : AIstrex<0b11, (outs GPR:$success), (ins GPR:$src, GPR:$ptr),
2456 "strexh", "\t$success, $src, [$ptr]",
2458 def STREX : AIstrex<0b00, (outs GPR:$success), (ins GPR:$src, GPR:$ptr),
2460 "strex", "\t$success, $src, [$ptr]",
2462 def STREXD : AIstrex<0b01, (outs GPR:$success),
2463 (ins GPR:$src, GPR:$src2, GPR:$ptr),
2465 "strexd", "\t$success, $src, $src2, [$ptr]",
2469 // Clear-Exclusive is for disassembly only.
2470 def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex",
2471 [/* For disassembly only; pattern left blank */]>,
2472 Requires<[IsARM, HasV7]> {
2473 let Inst{31-20} = 0xf57;
2474 let Inst{7-4} = 0b0001;
2477 // SWP/SWPB are deprecated in V6/V7 and for disassembly only.
2478 let mayLoad = 1 in {
2479 def SWP : AI<(outs GPR:$dst), (ins GPR:$src, GPR:$ptr), LdStExFrm, NoItinerary,
2480 "swp", "\t$dst, $src, [$ptr]",
2481 [/* For disassembly only; pattern left blank */]> {
2482 let Inst{27-23} = 0b00010;
2483 let Inst{22} = 0; // B = 0
2484 let Inst{21-20} = 0b00;
2485 let Inst{7-4} = 0b1001;
2488 def SWPB : AI<(outs GPR:$dst), (ins GPR:$src, GPR:$ptr), LdStExFrm, NoItinerary,
2489 "swpb", "\t$dst, $src, [$ptr]",
2490 [/* For disassembly only; pattern left blank */]> {
2491 let Inst{27-23} = 0b00010;
2492 let Inst{22} = 1; // B = 1
2493 let Inst{21-20} = 0b00;
2494 let Inst{7-4} = 0b1001;
2498 //===----------------------------------------------------------------------===//
2502 // __aeabi_read_tp preserves the registers r1-r3.
2504 Defs = [R0, R12, LR, CPSR] in {
2505 def TPsoft : ABXI<0b1011, (outs), (ins), IIC_Br,
2506 "bl\t__aeabi_read_tp",
2507 [(set R0, ARMthread_pointer)]>;
2510 //===----------------------------------------------------------------------===//
2511 // SJLJ Exception handling intrinsics
2512 // eh_sjlj_setjmp() is an instruction sequence to store the return
2513 // address and save #0 in R0 for the non-longjmp case.
2514 // Since by its nature we may be coming from some other function to get
2515 // here, and we're using the stack frame for the containing function to
2516 // save/restore registers, we can't keep anything live in regs across
2517 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
2518 // when we get here from a longjmp(). We force everthing out of registers
2519 // except for our own input by listing the relevant registers in Defs. By
2520 // doing so, we also cause the prologue/epilogue code to actively preserve
2521 // all of the callee-saved resgisters, which is exactly what we want.
2522 // A constant value is passed in $val, and we use the location as a scratch.
2524 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, D0,
2525 D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15,
2526 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26, D27, D28, D29, D30,
2528 def Int_eh_sjlj_setjmp : XI<(outs), (ins GPR:$src, GPR:$val),
2529 AddrModeNone, SizeSpecial, IndexModeNone,
2530 Pseudo, NoItinerary,
2531 "str\tsp, [$src, #+8] @ eh_setjmp begin\n\t"
2532 "add\t$val, pc, #8\n\t"
2533 "str\t$val, [$src, #+4]\n\t"
2535 "add\tpc, pc, #0\n\t"
2536 "mov\tr0, #1 @ eh_setjmp end", "",
2537 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
2538 Requires<[IsARM, HasVFP2]>;
2542 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR ] in {
2543 def Int_eh_sjlj_setjmp_nofp : XI<(outs), (ins GPR:$src, GPR:$val),
2544 AddrModeNone, SizeSpecial, IndexModeNone,
2545 Pseudo, NoItinerary,
2546 "str\tsp, [$src, #+8] @ eh_setjmp begin\n\t"
2547 "add\t$val, pc, #8\n\t"
2548 "str\t$val, [$src, #+4]\n\t"
2550 "add\tpc, pc, #0\n\t"
2551 "mov\tr0, #1 @ eh_setjmp end", "",
2552 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
2553 Requires<[IsARM, NoVFP]>;
2556 //===----------------------------------------------------------------------===//
2557 // Non-Instruction Patterns
2560 // Large immediate handling.
2562 // Two piece so_imms.
2563 let isReMaterializable = 1 in
2564 def MOVi2pieces : AI1x2<(outs GPR:$dst), (ins so_imm2part:$src),
2566 "mov", "\t$dst, $src",
2567 [(set GPR:$dst, so_imm2part:$src)]>,
2568 Requires<[IsARM, NoV6T2]>;
2570 def : ARMPat<(or GPR:$LHS, so_imm2part:$RHS),
2571 (ORRri (ORRri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
2572 (so_imm2part_2 imm:$RHS))>;
2573 def : ARMPat<(xor GPR:$LHS, so_imm2part:$RHS),
2574 (EORri (EORri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
2575 (so_imm2part_2 imm:$RHS))>;
2576 def : ARMPat<(add GPR:$LHS, so_imm2part:$RHS),
2577 (ADDri (ADDri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
2578 (so_imm2part_2 imm:$RHS))>;
2579 def : ARMPat<(add GPR:$LHS, so_neg_imm2part:$RHS),
2580 (SUBri (SUBri GPR:$LHS, (so_neg_imm2part_1 imm:$RHS)),
2581 (so_neg_imm2part_2 imm:$RHS))>;
2583 // 32-bit immediate using movw + movt.
2584 // This is a single pseudo instruction, the benefit is that it can be remat'd
2585 // as a single unit instead of having to handle reg inputs.
2586 // FIXME: Remove this when we can do generalized remat.
2587 let isReMaterializable = 1 in
2588 def MOVi32imm : AI1x2<(outs GPR:$dst), (ins i32imm:$src), Pseudo, IIC_iMOVi,
2589 "movw", "\t$dst, ${src:lo16}\n\tmovt${p}\t$dst, ${src:hi16}",
2590 [(set GPR:$dst, (i32 imm:$src))]>,
2591 Requires<[IsARM, HasV6T2]>;
2593 // ConstantPool, GlobalAddress, and JumpTable
2594 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>,
2595 Requires<[IsARM, DontUseMovt]>;
2596 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
2597 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
2598 Requires<[IsARM, UseMovt]>;
2599 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
2600 (LEApcrelJT tjumptable:$dst, imm:$id)>;
2602 // TODO: add,sub,and, 3-instr forms?
2606 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>,
2607 Requires<[IsARM, IsNotDarwin]>;
2608 def : ARMPat<(ARMcall texternalsym:$func), (BLr9 texternalsym:$func)>,
2609 Requires<[IsARM, IsDarwin]>;
2611 // zextload i1 -> zextload i8
2612 def : ARMPat<(zextloadi1 addrmode2:$addr), (LDRB addrmode2:$addr)>;
2614 // extload -> zextload
2615 def : ARMPat<(extloadi1 addrmode2:$addr), (LDRB addrmode2:$addr)>;
2616 def : ARMPat<(extloadi8 addrmode2:$addr), (LDRB addrmode2:$addr)>;
2617 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
2619 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
2620 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
2623 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
2624 (sra (shl GPR:$b, (i32 16)), (i32 16))),
2625 (SMULBB GPR:$a, GPR:$b)>;
2626 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
2627 (SMULBB GPR:$a, GPR:$b)>;
2628 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
2629 (sra GPR:$b, (i32 16))),
2630 (SMULBT GPR:$a, GPR:$b)>;
2631 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
2632 (SMULBT GPR:$a, GPR:$b)>;
2633 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
2634 (sra (shl GPR:$b, (i32 16)), (i32 16))),
2635 (SMULTB GPR:$a, GPR:$b)>;
2636 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
2637 (SMULTB GPR:$a, GPR:$b)>;
2638 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
2640 (SMULWB GPR:$a, GPR:$b)>;
2641 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
2642 (SMULWB GPR:$a, GPR:$b)>;
2644 def : ARMV5TEPat<(add GPR:$acc,
2645 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
2646 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
2647 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
2648 def : ARMV5TEPat<(add GPR:$acc,
2649 (mul sext_16_node:$a, sext_16_node:$b)),
2650 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
2651 def : ARMV5TEPat<(add GPR:$acc,
2652 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
2653 (sra GPR:$b, (i32 16)))),
2654 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
2655 def : ARMV5TEPat<(add GPR:$acc,
2656 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
2657 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
2658 def : ARMV5TEPat<(add GPR:$acc,
2659 (mul (sra GPR:$a, (i32 16)),
2660 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
2661 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
2662 def : ARMV5TEPat<(add GPR:$acc,
2663 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
2664 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
2665 def : ARMV5TEPat<(add GPR:$acc,
2666 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
2668 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
2669 def : ARMV5TEPat<(add GPR:$acc,
2670 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
2671 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
2673 //===----------------------------------------------------------------------===//
2677 include "ARMInstrThumb.td"
2679 //===----------------------------------------------------------------------===//
2683 include "ARMInstrThumb2.td"
2685 //===----------------------------------------------------------------------===//
2686 // Floating Point Support
2689 include "ARMInstrVFP.td"
2691 //===----------------------------------------------------------------------===//
2692 // Advanced SIMD (NEON) Support
2695 include "ARMInstrNEON.td"
2697 //===----------------------------------------------------------------------===//
2698 // Coprocessor Instructions. For disassembly only.
2701 def CDP : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2702 nohash_imm:$CRd, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2703 NoItinerary, "cdp", "\tp$cop, $opc1, cr$CRd, cr$CRn, cr$CRm, $opc2",
2704 [/* For disassembly only; pattern left blank */]> {
2708 def CDP2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2709 nohash_imm:$CRd, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2710 NoItinerary, "cdp2\tp$cop, $opc1, cr$CRd, cr$CRn, cr$CRm, $opc2",
2711 [/* For disassembly only; pattern left blank */]> {
2712 let Inst{31-28} = 0b1111;
2716 class ACI<dag oops, dag iops, string opc, string asm>
2717 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, BrFrm, NoItinerary,
2718 opc, asm, "", [/* For disassembly only; pattern left blank */]> {
2719 let Inst{27-25} = 0b110;
2722 multiclass LdStCop<bits<4> op31_28, bit load, string opc> {
2724 def _OFFSET : ACI<(outs),
2725 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
2726 opc, "\tp$cop, cr$CRd, $addr"> {
2727 let Inst{31-28} = op31_28;
2728 let Inst{24} = 1; // P = 1
2729 let Inst{21} = 0; // W = 0
2730 let Inst{22} = 0; // D = 0
2731 let Inst{20} = load;
2734 def _PRE : ACI<(outs),
2735 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
2736 opc, "\tp$cop, cr$CRd, $addr!"> {
2737 let Inst{31-28} = op31_28;
2738 let Inst{24} = 1; // P = 1
2739 let Inst{21} = 1; // W = 1
2740 let Inst{22} = 0; // D = 0
2741 let Inst{20} = load;
2744 def _POST : ACI<(outs),
2745 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
2746 opc, "\tp$cop, cr$CRd, [$base], $offset"> {
2747 let Inst{31-28} = op31_28;
2748 let Inst{24} = 0; // P = 0
2749 let Inst{21} = 1; // W = 1
2750 let Inst{22} = 0; // D = 0
2751 let Inst{20} = load;
2754 def _OPTION : ACI<(outs),
2755 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, i32imm:$option),
2756 opc, "\tp$cop, cr$CRd, [$base], $option"> {
2757 let Inst{31-28} = op31_28;
2758 let Inst{24} = 0; // P = 0
2759 let Inst{23} = 1; // U = 1
2760 let Inst{21} = 0; // W = 0
2761 let Inst{22} = 0; // D = 0
2762 let Inst{20} = load;
2765 def L_OFFSET : ACI<(outs),
2766 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
2767 !strconcat(opc, "l"), "\tp$cop, cr$CRd, $addr"> {
2768 let Inst{31-28} = op31_28;
2769 let Inst{24} = 1; // P = 1
2770 let Inst{21} = 0; // W = 0
2771 let Inst{22} = 1; // D = 1
2772 let Inst{20} = load;
2775 def L_PRE : ACI<(outs),
2776 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
2777 !strconcat(opc, "l"), "\tp$cop, cr$CRd, $addr!"> {
2778 let Inst{31-28} = op31_28;
2779 let Inst{24} = 1; // P = 1
2780 let Inst{21} = 1; // W = 1
2781 let Inst{22} = 1; // D = 1
2782 let Inst{20} = load;
2785 def L_POST : ACI<(outs),
2786 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
2787 !strconcat(opc, "l"), "\tp$cop, cr$CRd, [$base], $offset"> {
2788 let Inst{31-28} = op31_28;
2789 let Inst{24} = 0; // P = 0
2790 let Inst{21} = 1; // W = 1
2791 let Inst{22} = 1; // D = 1
2792 let Inst{20} = load;
2795 def L_OPTION : ACI<(outs),
2796 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, nohash_imm:$option),
2797 !strconcat(opc, "l"), "\tp$cop, cr$CRd, [$base], $option"> {
2798 let Inst{31-28} = op31_28;
2799 let Inst{24} = 0; // P = 0
2800 let Inst{23} = 1; // U = 1
2801 let Inst{21} = 0; // W = 0
2802 let Inst{22} = 1; // D = 1
2803 let Inst{20} = load;
2807 defm LDC : LdStCop<{?,?,?,?}, 1, "ldc">;
2808 defm LDC2 : LdStCop<0b1111, 1, "ldc2">;
2809 defm STC : LdStCop<{?,?,?,?}, 0, "stc">;
2810 defm STC2 : LdStCop<0b1111, 0, "stc2">;
2812 def MCR : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2813 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2814 NoItinerary, "mcr", "\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
2815 [/* For disassembly only; pattern left blank */]> {
2820 def MCR2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2821 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2822 NoItinerary, "mcr2\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
2823 [/* For disassembly only; pattern left blank */]> {
2824 let Inst{31-28} = 0b1111;
2829 def MRC : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2830 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2831 NoItinerary, "mrc", "\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
2832 [/* For disassembly only; pattern left blank */]> {
2837 def MRC2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2838 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2839 NoItinerary, "mrc2\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
2840 [/* For disassembly only; pattern left blank */]> {
2841 let Inst{31-28} = 0b1111;
2846 def MCRR : ABI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
2847 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
2848 NoItinerary, "mcrr", "\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
2849 [/* For disassembly only; pattern left blank */]> {
2850 let Inst{23-20} = 0b0100;
2853 def MCRR2 : ABXI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
2854 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
2855 NoItinerary, "mcrr2\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
2856 [/* For disassembly only; pattern left blank */]> {
2857 let Inst{31-28} = 0b1111;
2858 let Inst{23-20} = 0b0100;
2861 def MRRC : ABI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
2862 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
2863 NoItinerary, "mrrc", "\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
2864 [/* For disassembly only; pattern left blank */]> {
2865 let Inst{23-20} = 0b0101;
2868 def MRRC2 : ABXI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
2869 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
2870 NoItinerary, "mrrc2\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
2871 [/* For disassembly only; pattern left blank */]> {
2872 let Inst{31-28} = 0b1111;
2873 let Inst{23-20} = 0b0101;
2876 //===----------------------------------------------------------------------===//
2877 // Move between special register and ARM core register -- for disassembly only
2880 def MRS : ABI<0b0001,(outs GPR:$dst),(ins), NoItinerary, "mrs", "\t$dst, cpsr",
2881 [/* For disassembly only; pattern left blank */]> {
2882 let Inst{23-20} = 0b0000;
2883 let Inst{7-4} = 0b0000;
2886 def MRSsys : ABI<0b0001,(outs GPR:$dst),(ins), NoItinerary,"mrs","\t$dst, spsr",
2887 [/* For disassembly only; pattern left blank */]> {
2888 let Inst{23-20} = 0b0100;
2889 let Inst{7-4} = 0b0000;
2892 def MSR : ABI<0b0001, (outs), (ins GPR:$src, msr_mask:$mask), NoItinerary,
2893 "msr", "\tcpsr$mask, $src",
2894 [/* For disassembly only; pattern left blank */]> {
2895 let Inst{23-20} = 0b0010;
2896 let Inst{7-4} = 0b0000;
2899 def MSRi : ABI<0b0011, (outs), (ins so_imm:$a, msr_mask:$mask), NoItinerary,
2900 "msr", "\tcpsr$mask, $a",
2901 [/* For disassembly only; pattern left blank */]> {
2902 let Inst{23-20} = 0b0010;
2903 let Inst{7-4} = 0b0000;
2906 def MSRsys : ABI<0b0001, (outs), (ins GPR:$src, msr_mask:$mask), NoItinerary,
2907 "msr", "\tspsr$mask, $src",
2908 [/* For disassembly only; pattern left blank */]> {
2909 let Inst{23-20} = 0b0110;
2910 let Inst{7-4} = 0b0000;
2913 def MSRsysi : ABI<0b0011, (outs), (ins so_imm:$a, msr_mask:$mask), NoItinerary,
2914 "msr", "\tspsr$mask, $a",
2915 [/* For disassembly only; pattern left blank */]> {
2916 let Inst{23-20} = 0b0110;
2917 let Inst{7-4} = 0b0000;