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 HasDivide : Predicate<"Subtarget->hasDivide()">;
132 def HasT2ExtractPack : Predicate<"Subtarget->hasT2ExtractPack()">;
133 def UseNEONForFP : Predicate<"Subtarget->useNEONForSinglePrecisionFP()">;
134 def DontUseNEONForFP : Predicate<"!Subtarget->useNEONForSinglePrecisionFP()">;
135 def IsThumb : Predicate<"Subtarget->isThumb()">;
136 def IsThumb1Only : Predicate<"Subtarget->isThumb1Only()">;
137 def IsThumb2 : Predicate<"Subtarget->isThumb2()">;
138 def IsARM : Predicate<"!Subtarget->isThumb()">;
139 def IsDarwin : Predicate<"Subtarget->isTargetDarwin()">;
140 def IsNotDarwin : Predicate<"!Subtarget->isTargetDarwin()">;
142 // FIXME: Eventually this will be just "hasV6T2Ops".
143 def UseMovt : Predicate<"Subtarget->useMovt()">;
144 def DontUseMovt : Predicate<"!Subtarget->useMovt()">;
146 def UseVMLx : Predicate<"Subtarget->useVMLx()">;
148 //===----------------------------------------------------------------------===//
149 // ARM Flag Definitions.
151 class RegConstraint<string C> {
152 string Constraints = C;
155 //===----------------------------------------------------------------------===//
156 // ARM specific transformation functions and pattern fragments.
159 // so_imm_neg_XFORM - Return a so_imm value packed into the format described for
160 // so_imm_neg def below.
161 def so_imm_neg_XFORM : SDNodeXForm<imm, [{
162 return CurDAG->getTargetConstant(-(int)N->getZExtValue(), MVT::i32);
165 // so_imm_not_XFORM - Return a so_imm value packed into the format described for
166 // so_imm_not def below.
167 def so_imm_not_XFORM : SDNodeXForm<imm, [{
168 return CurDAG->getTargetConstant(~(int)N->getZExtValue(), MVT::i32);
171 // rot_imm predicate - True if the 32-bit immediate is equal to 8, 16, or 24.
172 def rot_imm : PatLeaf<(i32 imm), [{
173 int32_t v = (int32_t)N->getZExtValue();
174 return v == 8 || v == 16 || v == 24;
177 /// imm1_15 predicate - True if the 32-bit immediate is in the range [1,15].
178 def imm1_15 : PatLeaf<(i32 imm), [{
179 return (int32_t)N->getZExtValue() >= 1 && (int32_t)N->getZExtValue() < 16;
182 /// imm16_31 predicate - True if the 32-bit immediate is in the range [16,31].
183 def imm16_31 : PatLeaf<(i32 imm), [{
184 return (int32_t)N->getZExtValue() >= 16 && (int32_t)N->getZExtValue() < 32;
189 return ARM_AM::getSOImmVal(-(int)N->getZExtValue()) != -1;
190 }], so_imm_neg_XFORM>;
194 return ARM_AM::getSOImmVal(~(int)N->getZExtValue()) != -1;
195 }], so_imm_not_XFORM>;
197 // sext_16_node predicate - True if the SDNode is sign-extended 16 or more bits.
198 def sext_16_node : PatLeaf<(i32 GPR:$a), [{
199 return CurDAG->ComputeNumSignBits(SDValue(N,0)) >= 17;
202 /// bf_inv_mask_imm predicate - An AND mask to clear an arbitrary width bitfield
204 def bf_inv_mask_imm : Operand<i32>,
206 uint32_t v = (uint32_t)N->getZExtValue();
209 // there can be 1's on either or both "outsides", all the "inside"
211 unsigned int lsb = 0, msb = 31;
212 while (v & (1 << msb)) --msb;
213 while (v & (1 << lsb)) ++lsb;
214 for (unsigned int i = lsb; i <= msb; ++i) {
220 let PrintMethod = "printBitfieldInvMaskImmOperand";
223 /// Split a 32-bit immediate into two 16 bit parts.
224 def lo16 : SDNodeXForm<imm, [{
225 return CurDAG->getTargetConstant((uint32_t)N->getZExtValue() & 0xffff,
229 def hi16 : SDNodeXForm<imm, [{
230 return CurDAG->getTargetConstant((uint32_t)N->getZExtValue() >> 16, MVT::i32);
233 def lo16AllZero : PatLeaf<(i32 imm), [{
234 // Returns true if all low 16-bits are 0.
235 return (((uint32_t)N->getZExtValue()) & 0xFFFFUL) == 0;
238 /// imm0_65535 predicate - True if the 32-bit immediate is in the range
240 def imm0_65535 : PatLeaf<(i32 imm), [{
241 return (uint32_t)N->getZExtValue() < 65536;
244 class BinOpFrag<dag res> : PatFrag<(ops node:$LHS, node:$RHS), res>;
245 class UnOpFrag <dag res> : PatFrag<(ops node:$Src), res>;
247 /// adde and sube predicates - True based on whether the carry flag output
248 /// will be needed or not.
249 def adde_dead_carry :
250 PatFrag<(ops node:$LHS, node:$RHS), (adde node:$LHS, node:$RHS),
251 [{return !N->hasAnyUseOfValue(1);}]>;
252 def sube_dead_carry :
253 PatFrag<(ops node:$LHS, node:$RHS), (sube node:$LHS, node:$RHS),
254 [{return !N->hasAnyUseOfValue(1);}]>;
255 def adde_live_carry :
256 PatFrag<(ops node:$LHS, node:$RHS), (adde node:$LHS, node:$RHS),
257 [{return N->hasAnyUseOfValue(1);}]>;
258 def sube_live_carry :
259 PatFrag<(ops node:$LHS, node:$RHS), (sube node:$LHS, node:$RHS),
260 [{return N->hasAnyUseOfValue(1);}]>;
262 //===----------------------------------------------------------------------===//
263 // Operand Definitions.
267 def brtarget : Operand<OtherVT>;
269 // A list of registers separated by comma. Used by load/store multiple.
270 def reglist : Operand<i32> {
271 let PrintMethod = "printRegisterList";
274 // An operand for the CONSTPOOL_ENTRY pseudo-instruction.
275 def cpinst_operand : Operand<i32> {
276 let PrintMethod = "printCPInstOperand";
279 def jtblock_operand : Operand<i32> {
280 let PrintMethod = "printJTBlockOperand";
282 def jt2block_operand : Operand<i32> {
283 let PrintMethod = "printJT2BlockOperand";
287 def pclabel : Operand<i32> {
288 let PrintMethod = "printPCLabel";
291 // shifter_operand operands: so_reg and so_imm.
292 def so_reg : Operand<i32>, // reg reg imm
293 ComplexPattern<i32, 3, "SelectShifterOperandReg",
294 [shl,srl,sra,rotr]> {
295 let PrintMethod = "printSORegOperand";
296 let MIOperandInfo = (ops GPR, GPR, i32imm);
299 // so_imm - Match a 32-bit shifter_operand immediate operand, which is an
300 // 8-bit immediate rotated by an arbitrary number of bits. so_imm values are
301 // represented in the imm field in the same 12-bit form that they are encoded
302 // into so_imm instructions: the 8-bit immediate is the least significant bits
303 // [bits 0-7], the 4-bit shift amount is the next 4 bits [bits 8-11].
304 def so_imm : Operand<i32>,
306 return ARM_AM::getSOImmVal(N->getZExtValue()) != -1;
308 let PrintMethod = "printSOImmOperand";
311 // Break so_imm's up into two pieces. This handles immediates with up to 16
312 // bits set in them. This uses so_imm2part to match and so_imm2part_[12] to
313 // get the first/second pieces.
314 def so_imm2part : Operand<i32>,
316 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
318 let PrintMethod = "printSOImm2PartOperand";
321 def so_imm2part_1 : SDNodeXForm<imm, [{
322 unsigned V = ARM_AM::getSOImmTwoPartFirst((unsigned)N->getZExtValue());
323 return CurDAG->getTargetConstant(V, MVT::i32);
326 def so_imm2part_2 : SDNodeXForm<imm, [{
327 unsigned V = ARM_AM::getSOImmTwoPartSecond((unsigned)N->getZExtValue());
328 return CurDAG->getTargetConstant(V, MVT::i32);
331 def so_neg_imm2part : Operand<i32>, PatLeaf<(imm), [{
332 return ARM_AM::isSOImmTwoPartVal(-(int)N->getZExtValue());
334 let PrintMethod = "printSOImm2PartOperand";
337 def so_neg_imm2part_1 : SDNodeXForm<imm, [{
338 unsigned V = ARM_AM::getSOImmTwoPartFirst(-(int)N->getZExtValue());
339 return CurDAG->getTargetConstant(V, MVT::i32);
342 def so_neg_imm2part_2 : SDNodeXForm<imm, [{
343 unsigned V = ARM_AM::getSOImmTwoPartSecond(-(int)N->getZExtValue());
344 return CurDAG->getTargetConstant(V, MVT::i32);
347 /// imm0_31 predicate - True if the 32-bit immediate is in the range [0,31].
348 def imm0_31 : Operand<i32>, PatLeaf<(imm), [{
349 return (int32_t)N->getZExtValue() < 32;
352 // Define ARM specific addressing modes.
354 // addrmode2 := reg +/- reg shop imm
355 // addrmode2 := reg +/- imm12
357 def addrmode2 : Operand<i32>,
358 ComplexPattern<i32, 3, "SelectAddrMode2", []> {
359 let PrintMethod = "printAddrMode2Operand";
360 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
363 def am2offset : Operand<i32>,
364 ComplexPattern<i32, 2, "SelectAddrMode2Offset", []> {
365 let PrintMethod = "printAddrMode2OffsetOperand";
366 let MIOperandInfo = (ops GPR, i32imm);
369 // addrmode3 := reg +/- reg
370 // addrmode3 := reg +/- imm8
372 def addrmode3 : Operand<i32>,
373 ComplexPattern<i32, 3, "SelectAddrMode3", []> {
374 let PrintMethod = "printAddrMode3Operand";
375 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
378 def am3offset : Operand<i32>,
379 ComplexPattern<i32, 2, "SelectAddrMode3Offset", []> {
380 let PrintMethod = "printAddrMode3OffsetOperand";
381 let MIOperandInfo = (ops GPR, i32imm);
384 // addrmode4 := reg, <mode|W>
386 def addrmode4 : Operand<i32>,
387 ComplexPattern<i32, 2, "SelectAddrMode4", []> {
388 let PrintMethod = "printAddrMode4Operand";
389 let MIOperandInfo = (ops GPR:$addr, i32imm);
392 // addrmode5 := reg +/- imm8*4
394 def addrmode5 : Operand<i32>,
395 ComplexPattern<i32, 2, "SelectAddrMode5", []> {
396 let PrintMethod = "printAddrMode5Operand";
397 let MIOperandInfo = (ops GPR:$base, i32imm);
400 // addrmode6 := reg with optional writeback
402 def addrmode6 : Operand<i32>,
403 ComplexPattern<i32, 2, "SelectAddrMode6", []> {
404 let PrintMethod = "printAddrMode6Operand";
405 let MIOperandInfo = (ops GPR:$addr, i32imm);
408 def am6offset : Operand<i32> {
409 let PrintMethod = "printAddrMode6OffsetOperand";
410 let MIOperandInfo = (ops GPR);
413 // addrmodepc := pc + reg
415 def addrmodepc : Operand<i32>,
416 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
417 let PrintMethod = "printAddrModePCOperand";
418 let MIOperandInfo = (ops GPR, i32imm);
421 def nohash_imm : Operand<i32> {
422 let PrintMethod = "printNoHashImmediate";
425 //===----------------------------------------------------------------------===//
427 include "ARMInstrFormats.td"
429 //===----------------------------------------------------------------------===//
430 // Multiclass helpers...
433 /// AsI1_bin_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns for a
434 /// binop that produces a value.
435 multiclass AsI1_bin_irs<bits<4> opcod, string opc, PatFrag opnode,
436 bit Commutable = 0> {
437 def ri : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
438 IIC_iALUi, opc, "\t$dst, $a, $b",
439 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]> {
442 def rr : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
443 IIC_iALUr, opc, "\t$dst, $a, $b",
444 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]> {
445 let Inst{11-4} = 0b00000000;
447 let isCommutable = Commutable;
449 def rs : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
450 IIC_iALUsr, opc, "\t$dst, $a, $b",
451 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]> {
456 /// AI1_bin_s_irs - Similar to AsI1_bin_irs except it sets the 's' bit so the
457 /// instruction modifies the CPSR register.
458 let Defs = [CPSR] in {
459 multiclass AI1_bin_s_irs<bits<4> opcod, string opc, PatFrag opnode,
460 bit Commutable = 0> {
461 def ri : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
462 IIC_iALUi, opc, "\t$dst, $a, $b",
463 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]> {
467 def rr : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
468 IIC_iALUr, opc, "\t$dst, $a, $b",
469 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]> {
470 let isCommutable = Commutable;
471 let Inst{11-4} = 0b00000000;
475 def rs : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
476 IIC_iALUsr, opc, "\t$dst, $a, $b",
477 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]> {
484 /// AI1_cmp_irs - Defines a set of (op r, {so_imm|r|so_reg}) cmp / test
485 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
486 /// a explicit result, only implicitly set CPSR.
487 let Defs = [CPSR] in {
488 multiclass AI1_cmp_irs<bits<4> opcod, string opc, PatFrag opnode,
489 bit Commutable = 0> {
490 def ri : AI1<opcod, (outs), (ins GPR:$a, so_imm:$b), DPFrm, IIC_iCMPi,
492 [(opnode GPR:$a, so_imm:$b)]> {
496 def rr : AI1<opcod, (outs), (ins GPR:$a, GPR:$b), DPFrm, IIC_iCMPr,
498 [(opnode GPR:$a, GPR:$b)]> {
499 let Inst{11-4} = 0b00000000;
502 let isCommutable = Commutable;
504 def rs : AI1<opcod, (outs), (ins GPR:$a, so_reg:$b), DPSoRegFrm, IIC_iCMPsr,
506 [(opnode GPR:$a, so_reg:$b)]> {
513 /// AI_unary_rrot - A unary operation with two forms: one whose operand is a
514 /// register and one whose operand is a register rotated by 8/16/24.
515 /// FIXME: Remove the 'r' variant. Its rot_imm is zero.
516 multiclass AI_unary_rrot<bits<8> opcod, string opc, PatFrag opnode> {
517 def r : AExtI<opcod, (outs GPR:$dst), (ins GPR:$src),
518 IIC_iUNAr, opc, "\t$dst, $src",
519 [(set GPR:$dst, (opnode GPR:$src))]>,
520 Requires<[IsARM, HasV6]> {
521 let Inst{11-10} = 0b00;
522 let Inst{19-16} = 0b1111;
524 def r_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$src, i32imm:$rot),
525 IIC_iUNAsi, opc, "\t$dst, $src, ror $rot",
526 [(set GPR:$dst, (opnode (rotr GPR:$src, rot_imm:$rot)))]>,
527 Requires<[IsARM, HasV6]> {
528 let Inst{19-16} = 0b1111;
532 multiclass AI_unary_rrot_np<bits<8> opcod, string opc> {
533 def r : AExtI<opcod, (outs GPR:$dst), (ins GPR:$src),
534 IIC_iUNAr, opc, "\t$dst, $src",
535 [/* For disassembly only; pattern left blank */]>,
536 Requires<[IsARM, HasV6]> {
537 let Inst{11-10} = 0b00;
538 let Inst{19-16} = 0b1111;
540 def r_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$src, i32imm:$rot),
541 IIC_iUNAsi, opc, "\t$dst, $src, ror $rot",
542 [/* For disassembly only; pattern left blank */]>,
543 Requires<[IsARM, HasV6]> {
544 let Inst{19-16} = 0b1111;
548 /// AI_bin_rrot - A binary operation with two forms: one whose operand is a
549 /// register and one whose operand is a register rotated by 8/16/24.
550 multiclass AI_bin_rrot<bits<8> opcod, string opc, PatFrag opnode> {
551 def rr : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS),
552 IIC_iALUr, opc, "\t$dst, $LHS, $RHS",
553 [(set GPR:$dst, (opnode GPR:$LHS, GPR:$RHS))]>,
554 Requires<[IsARM, HasV6]> {
555 let Inst{11-10} = 0b00;
557 def rr_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS,
559 IIC_iALUsi, opc, "\t$dst, $LHS, $RHS, ror $rot",
560 [(set GPR:$dst, (opnode GPR:$LHS,
561 (rotr GPR:$RHS, rot_imm:$rot)))]>,
562 Requires<[IsARM, HasV6]>;
565 // For disassembly only.
566 multiclass AI_bin_rrot_np<bits<8> opcod, string opc> {
567 def rr : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS),
568 IIC_iALUr, opc, "\t$dst, $LHS, $RHS",
569 [/* For disassembly only; pattern left blank */]>,
570 Requires<[IsARM, HasV6]> {
571 let Inst{11-10} = 0b00;
573 def rr_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS,
575 IIC_iALUsi, opc, "\t$dst, $LHS, $RHS, ror $rot",
576 [/* For disassembly only; pattern left blank */]>,
577 Requires<[IsARM, HasV6]>;
580 /// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
581 let Uses = [CPSR] in {
582 multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode,
583 bit Commutable = 0> {
584 def ri : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
585 DPFrm, IIC_iALUi, opc, "\t$dst, $a, $b",
586 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]>,
590 def rr : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
591 DPFrm, IIC_iALUr, opc, "\t$dst, $a, $b",
592 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]>,
594 let isCommutable = Commutable;
595 let Inst{11-4} = 0b00000000;
598 def rs : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
599 DPSoRegFrm, IIC_iALUsr, opc, "\t$dst, $a, $b",
600 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]>,
605 // Carry setting variants
606 let Defs = [CPSR] in {
607 multiclass AI1_adde_sube_s_irs<bits<4> opcod, string opc, PatFrag opnode,
608 bit Commutable = 0> {
609 def Sri : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
610 DPFrm, IIC_iALUi, !strconcat(opc, "\t$dst, $a, $b"),
611 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]>,
616 def Srr : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
617 DPFrm, IIC_iALUr, !strconcat(opc, "\t$dst, $a, $b"),
618 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]>,
620 let Inst{11-4} = 0b00000000;
624 def Srs : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
625 DPSoRegFrm, IIC_iALUsr, !strconcat(opc, "\t$dst, $a, $b"),
626 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]>,
635 //===----------------------------------------------------------------------===//
637 //===----------------------------------------------------------------------===//
639 //===----------------------------------------------------------------------===//
640 // Miscellaneous Instructions.
643 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
644 /// the function. The first operand is the ID# for this instruction, the second
645 /// is the index into the MachineConstantPool that this is, the third is the
646 /// size in bytes of this constant pool entry.
647 let neverHasSideEffects = 1, isNotDuplicable = 1 in
648 def CONSTPOOL_ENTRY :
649 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
650 i32imm:$size), NoItinerary,
651 "${instid:label} ${cpidx:cpentry}", []>;
653 // FIXME: Marking these as hasSideEffects is necessary to prevent machine DCE
654 // from removing one half of the matched pairs. That breaks PEI, which assumes
655 // these will always be in pairs, and asserts if it finds otherwise. Better way?
656 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
658 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary,
659 "${:comment} ADJCALLSTACKUP $amt1",
660 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
662 def ADJCALLSTACKDOWN :
663 PseudoInst<(outs), (ins i32imm:$amt, pred:$p), NoItinerary,
664 "${:comment} ADJCALLSTACKDOWN $amt",
665 [(ARMcallseq_start timm:$amt)]>;
668 def NOP : AI<(outs), (ins), MiscFrm, NoItinerary, "nop", "",
669 [/* For disassembly only; pattern left blank */]>,
670 Requires<[IsARM, HasV6T2]> {
671 let Inst{27-16} = 0b001100100000;
672 let Inst{7-0} = 0b00000000;
675 def YIELD : AI<(outs), (ins), MiscFrm, NoItinerary, "yield", "",
676 [/* For disassembly only; pattern left blank */]>,
677 Requires<[IsARM, HasV6T2]> {
678 let Inst{27-16} = 0b001100100000;
679 let Inst{7-0} = 0b00000001;
682 def WFE : AI<(outs), (ins), MiscFrm, NoItinerary, "wfe", "",
683 [/* For disassembly only; pattern left blank */]>,
684 Requires<[IsARM, HasV6T2]> {
685 let Inst{27-16} = 0b001100100000;
686 let Inst{7-0} = 0b00000010;
689 def WFI : AI<(outs), (ins), MiscFrm, NoItinerary, "wfi", "",
690 [/* For disassembly only; pattern left blank */]>,
691 Requires<[IsARM, HasV6T2]> {
692 let Inst{27-16} = 0b001100100000;
693 let Inst{7-0} = 0b00000011;
696 def SEL : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm, NoItinerary, "sel",
698 [/* For disassembly only; pattern left blank */]>,
699 Requires<[IsARM, HasV6]> {
700 let Inst{27-20} = 0b01101000;
701 let Inst{7-4} = 0b1011;
704 def SEV : AI<(outs), (ins), MiscFrm, NoItinerary, "sev", "",
705 [/* For disassembly only; pattern left blank */]>,
706 Requires<[IsARM, HasV6T2]> {
707 let Inst{27-16} = 0b001100100000;
708 let Inst{7-0} = 0b00000100;
711 // The i32imm operand $val can be used by a debugger to store more information
712 // about the breakpoint.
713 def BKPT : AI<(outs), (ins i32imm:$val), MiscFrm, NoItinerary, "bkpt", "\t$val",
714 [/* For disassembly only; pattern left blank */]>,
716 let Inst{27-20} = 0b00010010;
717 let Inst{7-4} = 0b0111;
720 // Change Processor State is a system instruction -- for disassembly only.
721 // The singleton $opt operand contains the following information:
722 // opt{4-0} = mode from Inst{4-0}
723 // opt{5} = changemode from Inst{17}
724 // opt{8-6} = AIF from Inst{8-6}
725 // opt{10-9} = imod from Inst{19-18} with 0b10 as enable and 0b11 as disable
726 def CPS : AXI<(outs), (ins cps_opt:$opt), MiscFrm, NoItinerary, "cps$opt",
727 [/* For disassembly only; pattern left blank */]>,
729 let Inst{31-28} = 0b1111;
730 let Inst{27-20} = 0b00010000;
735 // Preload signals the memory system of possible future data/instruction access.
736 // These are for disassembly only.
738 // A8.6.117, A8.6.118. Different instructions are generated for #0 and #-0.
739 // The neg_zero operand translates -0 to -1, -1 to -2, ..., etc.
740 multiclass APreLoad<bit data, bit read, string opc> {
742 def i : AXI<(outs), (ins GPR:$base, neg_zero:$imm), MiscFrm, NoItinerary,
743 !strconcat(opc, "\t[$base, $imm]"), []> {
744 let Inst{31-26} = 0b111101;
745 let Inst{25} = 0; // 0 for immediate form
748 let Inst{21-20} = 0b01;
751 def r : AXI<(outs), (ins addrmode2:$addr), MiscFrm, NoItinerary,
752 !strconcat(opc, "\t$addr"), []> {
753 let Inst{31-26} = 0b111101;
754 let Inst{25} = 1; // 1 for register form
757 let Inst{21-20} = 0b01;
762 defm PLD : APreLoad<1, 1, "pld">;
763 defm PLDW : APreLoad<1, 0, "pldw">;
764 defm PLI : APreLoad<0, 1, "pli">;
766 def SETENDBE : AXI<(outs),(ins), MiscFrm, NoItinerary, "setend\tbe",
767 [/* For disassembly only; pattern left blank */]>,
769 let Inst{31-28} = 0b1111;
770 let Inst{27-20} = 0b00010000;
773 let Inst{7-4} = 0b0000;
776 def SETENDLE : AXI<(outs),(ins), MiscFrm, NoItinerary, "setend\tle",
777 [/* For disassembly only; pattern left blank */]>,
779 let Inst{31-28} = 0b1111;
780 let Inst{27-20} = 0b00010000;
783 let Inst{7-4} = 0b0000;
786 def DBG : AI<(outs), (ins i32imm:$opt), MiscFrm, NoItinerary, "dbg", "\t$opt",
787 [/* For disassembly only; pattern left blank */]>,
788 Requires<[IsARM, HasV7]> {
789 let Inst{27-16} = 0b001100100000;
790 let Inst{7-4} = 0b1111;
793 // A5.4 Permanently UNDEFINED instructions.
794 // FIXME: Temporary emitted as raw bytes until this pseudo-op will be added to
796 let isBarrier = 1, isTerminator = 1 in
797 def TRAP : AXI<(outs), (ins), MiscFrm, NoItinerary,
798 ".long 0xe7ffdefe ${:comment} trap", [(trap)]>,
800 let Inst{27-25} = 0b011;
801 let Inst{24-20} = 0b11111;
802 let Inst{7-5} = 0b111;
806 // Address computation and loads and stores in PIC mode.
807 let isNotDuplicable = 1 in {
808 def PICADD : AXI1<0b0100, (outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
809 Pseudo, IIC_iALUr, "\n$cp:\n\tadd$p\t$dst, pc, $a",
810 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
812 let AddedComplexity = 10 in {
813 def PICLDR : AXI2ldw<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
814 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldr$p\t$dst, $addr",
815 [(set GPR:$dst, (load addrmodepc:$addr))]>;
817 def PICLDRH : AXI3ldh<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
818 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldrh${p}\t$dst, $addr",
819 [(set GPR:$dst, (zextloadi16 addrmodepc:$addr))]>;
821 def PICLDRB : AXI2ldb<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
822 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldrb${p}\t$dst, $addr",
823 [(set GPR:$dst, (zextloadi8 addrmodepc:$addr))]>;
825 def PICLDRSH : AXI3ldsh<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
826 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldrsh${p}\t$dst, $addr",
827 [(set GPR:$dst, (sextloadi16 addrmodepc:$addr))]>;
829 def PICLDRSB : AXI3ldsb<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
830 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldrsb${p}\t$dst, $addr",
831 [(set GPR:$dst, (sextloadi8 addrmodepc:$addr))]>;
833 let AddedComplexity = 10 in {
834 def PICSTR : AXI2stw<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
835 Pseudo, IIC_iStorer, "\n${addr:label}:\n\tstr$p\t$src, $addr",
836 [(store GPR:$src, addrmodepc:$addr)]>;
838 def PICSTRH : AXI3sth<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
839 Pseudo, IIC_iStorer, "\n${addr:label}:\n\tstrh${p}\t$src, $addr",
840 [(truncstorei16 GPR:$src, addrmodepc:$addr)]>;
842 def PICSTRB : AXI2stb<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
843 Pseudo, IIC_iStorer, "\n${addr:label}:\n\tstrb${p}\t$src, $addr",
844 [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
846 } // isNotDuplicable = 1
849 // LEApcrel - Load a pc-relative address into a register without offending the
851 let neverHasSideEffects = 1 in {
852 let isReMaterializable = 1 in
853 def LEApcrel : AXI1<0x0, (outs GPR:$dst), (ins i32imm:$label, pred:$p),
855 "adr$p\t$dst, #$label", []>;
857 def LEApcrelJT : AXI1<0x0, (outs GPR:$dst),
858 (ins i32imm:$label, nohash_imm:$id, pred:$p),
860 "adr$p\t$dst, #${label}_${id}", []> {
863 } // neverHasSideEffects
865 //===----------------------------------------------------------------------===//
866 // Control Flow Instructions.
869 let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
871 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
872 "bx", "\tlr", [(ARMretflag)]>,
873 Requires<[IsARM, HasV4T]> {
874 let Inst{3-0} = 0b1110;
875 let Inst{7-4} = 0b0001;
876 let Inst{19-8} = 0b111111111111;
877 let Inst{27-20} = 0b00010010;
881 def MOVPCLR : AI<(outs), (ins), BrMiscFrm, IIC_Br,
882 "mov", "\tpc, lr", [(ARMretflag)]>,
883 Requires<[IsARM, NoV4T]> {
884 let Inst{11-0} = 0b000000001110;
885 let Inst{15-12} = 0b1111;
886 let Inst{19-16} = 0b0000;
887 let Inst{27-20} = 0b00011010;
892 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
894 def BRIND : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
896 Requires<[IsARM, HasV4T]> {
897 let Inst{7-4} = 0b0001;
898 let Inst{19-8} = 0b111111111111;
899 let Inst{27-20} = 0b00010010;
900 let Inst{31-28} = 0b1110;
904 def MOVPCRX : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "mov\tpc, $dst",
906 Requires<[IsARM, NoV4T]> {
907 let Inst{11-4} = 0b00000000;
908 let Inst{15-12} = 0b1111;
909 let Inst{19-16} = 0b0000;
910 let Inst{27-20} = 0b00011010;
911 let Inst{31-28} = 0b1110;
915 // FIXME: remove when we have a way to marking a MI with these properties.
916 // FIXME: Should pc be an implicit operand like PICADD, etc?
917 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
918 hasExtraDefRegAllocReq = 1 in
919 def LDM_RET : AXI4ld<(outs GPR:$wb), (ins addrmode4:$addr, pred:$p,
920 reglist:$dsts, variable_ops),
921 IndexModeUpd, LdStMulFrm, IIC_Br,
922 "ldm${addr:submode}${p}\t$addr!, $dsts",
923 "$addr.addr = $wb", []>;
925 // On non-Darwin platforms R9 is callee-saved.
927 Defs = [R0, R1, R2, R3, R12, LR,
928 D0, D1, D2, D3, D4, D5, D6, D7,
929 D16, D17, D18, D19, D20, D21, D22, D23,
930 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR] in {
931 def BL : ABXI<0b1011, (outs), (ins i32imm:$func, variable_ops),
932 IIC_Br, "bl\t${func:call}",
933 [(ARMcall tglobaladdr:$func)]>,
934 Requires<[IsARM, IsNotDarwin]> {
935 let Inst{31-28} = 0b1110;
938 def BL_pred : ABI<0b1011, (outs), (ins i32imm:$func, variable_ops),
939 IIC_Br, "bl", "\t${func:call}",
940 [(ARMcall_pred tglobaladdr:$func)]>,
941 Requires<[IsARM, IsNotDarwin]>;
944 def BLX : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
945 IIC_Br, "blx\t$func",
946 [(ARMcall GPR:$func)]>,
947 Requires<[IsARM, HasV5T, IsNotDarwin]> {
948 let Inst{7-4} = 0b0011;
949 let Inst{19-8} = 0b111111111111;
950 let Inst{27-20} = 0b00010010;
954 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
955 def BX : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
956 IIC_Br, "mov\tlr, pc\n\tbx\t$func",
957 [(ARMcall_nolink tGPR:$func)]>,
958 Requires<[IsARM, HasV4T, IsNotDarwin]> {
959 let Inst{7-4} = 0b0001;
960 let Inst{19-8} = 0b111111111111;
961 let Inst{27-20} = 0b00010010;
965 def BMOVPCRX : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
966 IIC_Br, "mov\tlr, pc\n\tmov\tpc, $func",
967 [(ARMcall_nolink tGPR:$func)]>,
968 Requires<[IsARM, NoV4T, IsNotDarwin]> {
969 let Inst{11-4} = 0b00000000;
970 let Inst{15-12} = 0b1111;
971 let Inst{19-16} = 0b0000;
972 let Inst{27-20} = 0b00011010;
976 // On Darwin R9 is call-clobbered.
978 Defs = [R0, R1, R2, R3, R9, R12, LR,
979 D0, D1, D2, D3, D4, D5, D6, D7,
980 D16, D17, D18, D19, D20, D21, D22, D23,
981 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR] in {
982 def BLr9 : ABXI<0b1011, (outs), (ins i32imm:$func, variable_ops),
983 IIC_Br, "bl\t${func:call}",
984 [(ARMcall tglobaladdr:$func)]>, Requires<[IsARM, IsDarwin]> {
985 let Inst{31-28} = 0b1110;
988 def BLr9_pred : ABI<0b1011, (outs), (ins i32imm:$func, variable_ops),
989 IIC_Br, "bl", "\t${func:call}",
990 [(ARMcall_pred tglobaladdr:$func)]>,
991 Requires<[IsARM, IsDarwin]>;
994 def BLXr9 : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
995 IIC_Br, "blx\t$func",
996 [(ARMcall GPR:$func)]>, Requires<[IsARM, HasV5T, IsDarwin]> {
997 let Inst{7-4} = 0b0011;
998 let Inst{19-8} = 0b111111111111;
999 let Inst{27-20} = 0b00010010;
1003 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1004 def BXr9 : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1005 IIC_Br, "mov\tlr, pc\n\tbx\t$func",
1006 [(ARMcall_nolink tGPR:$func)]>,
1007 Requires<[IsARM, HasV4T, IsDarwin]> {
1008 let Inst{7-4} = 0b0001;
1009 let Inst{19-8} = 0b111111111111;
1010 let Inst{27-20} = 0b00010010;
1014 def BMOVPCRXr9 : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1015 IIC_Br, "mov\tlr, pc\n\tmov\tpc, $func",
1016 [(ARMcall_nolink tGPR:$func)]>,
1017 Requires<[IsARM, NoV4T, IsDarwin]> {
1018 let Inst{11-4} = 0b00000000;
1019 let Inst{15-12} = 0b1111;
1020 let Inst{19-16} = 0b0000;
1021 let Inst{27-20} = 0b00011010;
1025 let isBranch = 1, isTerminator = 1 in {
1026 // B is "predicable" since it can be xformed into a Bcc.
1027 let isBarrier = 1 in {
1028 let isPredicable = 1 in
1029 def B : ABXI<0b1010, (outs), (ins brtarget:$target), IIC_Br,
1030 "b\t$target", [(br bb:$target)]>;
1032 let isNotDuplicable = 1, isIndirectBranch = 1 in {
1033 def BR_JTr : JTI<(outs), (ins GPR:$target, jtblock_operand:$jt, i32imm:$id),
1034 IIC_Br, "mov\tpc, $target \n$jt",
1035 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]> {
1036 let Inst{11-4} = 0b00000000;
1037 let Inst{15-12} = 0b1111;
1038 let Inst{20} = 0; // S Bit
1039 let Inst{24-21} = 0b1101;
1040 let Inst{27-25} = 0b000;
1042 def BR_JTm : JTI<(outs),
1043 (ins addrmode2:$target, jtblock_operand:$jt, i32imm:$id),
1044 IIC_Br, "ldr\tpc, $target \n$jt",
1045 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
1047 let Inst{15-12} = 0b1111;
1048 let Inst{20} = 1; // L bit
1049 let Inst{21} = 0; // W bit
1050 let Inst{22} = 0; // B bit
1051 let Inst{24} = 1; // P bit
1052 let Inst{27-25} = 0b011;
1054 def BR_JTadd : JTI<(outs),
1055 (ins GPR:$target, GPR:$idx, jtblock_operand:$jt, i32imm:$id),
1056 IIC_Br, "add\tpc, $target, $idx \n$jt",
1057 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
1059 let Inst{15-12} = 0b1111;
1060 let Inst{20} = 0; // S bit
1061 let Inst{24-21} = 0b0100;
1062 let Inst{27-25} = 0b000;
1064 } // isNotDuplicable = 1, isIndirectBranch = 1
1067 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
1068 // a two-value operand where a dag node expects two operands. :(
1069 def Bcc : ABI<0b1010, (outs), (ins brtarget:$target),
1070 IIC_Br, "b", "\t$target",
1071 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]>;
1074 // Branch and Exchange Jazelle -- for disassembly only
1075 def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
1076 [/* For disassembly only; pattern left blank */]> {
1077 let Inst{23-20} = 0b0010;
1078 //let Inst{19-8} = 0xfff;
1079 let Inst{7-4} = 0b0010;
1082 // Secure Monitor Call is a system instruction -- for disassembly only
1083 def SMC : ABI<0b0001, (outs), (ins i32imm:$opt), NoItinerary, "smc", "\t$opt",
1084 [/* For disassembly only; pattern left blank */]> {
1085 let Inst{23-20} = 0b0110;
1086 let Inst{7-4} = 0b0111;
1089 // Supervisor Call (Software Interrupt) -- for disassembly only
1091 def SVC : ABI<0b1111, (outs), (ins i32imm:$svc), IIC_Br, "svc", "\t$svc",
1092 [/* For disassembly only; pattern left blank */]>;
1095 // Store Return State is a system instruction -- for disassembly only
1096 def SRSW : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, i32imm:$mode),
1097 NoItinerary, "srs${addr:submode}\tsp!, $mode",
1098 [/* For disassembly only; pattern left blank */]> {
1099 let Inst{31-28} = 0b1111;
1100 let Inst{22-20} = 0b110; // W = 1
1103 def SRS : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, i32imm:$mode),
1104 NoItinerary, "srs${addr:submode}\tsp, $mode",
1105 [/* For disassembly only; pattern left blank */]> {
1106 let Inst{31-28} = 0b1111;
1107 let Inst{22-20} = 0b100; // W = 0
1110 // Return From Exception is a system instruction -- for disassembly only
1111 def RFEW : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, GPR:$base),
1112 NoItinerary, "rfe${addr:submode}\t$base!",
1113 [/* For disassembly only; pattern left blank */]> {
1114 let Inst{31-28} = 0b1111;
1115 let Inst{22-20} = 0b011; // W = 1
1118 def RFE : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, GPR:$base),
1119 NoItinerary, "rfe${addr:submode}\t$base",
1120 [/* For disassembly only; pattern left blank */]> {
1121 let Inst{31-28} = 0b1111;
1122 let Inst{22-20} = 0b001; // W = 0
1125 //===----------------------------------------------------------------------===//
1126 // Load / store Instructions.
1130 let canFoldAsLoad = 1, isReMaterializable = 1 in
1131 def LDR : AI2ldw<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm, IIC_iLoadr,
1132 "ldr", "\t$dst, $addr",
1133 [(set GPR:$dst, (load addrmode2:$addr))]>;
1135 // Special LDR for loads from non-pc-relative constpools.
1136 let canFoldAsLoad = 1, mayLoad = 1, neverHasSideEffects = 1,
1137 isReMaterializable = 1 in
1138 def LDRcp : AI2ldw<(outs GPR:$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:$addr))]>;
1159 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1 in {
1161 def LDRD : AI3ldd<(outs GPR:$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 = $base_wb", []>,
1216 Requires<[IsARM, HasV5TE]>;
1218 } // mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1
1220 // LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT are for disassembly only.
1222 def LDRT : AI2ldwpo<(outs GPR:$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:$addr)]>;
1267 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in
1268 def STRD : AI3std<(outs), (ins GPR:$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 = $base_wb",
1351 [/* For disassembly only; pattern left blank */]> {
1352 let Inst{21} = 1; // overwrite
1355 //===----------------------------------------------------------------------===//
1356 // Load / store multiple Instructions.
1359 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1 in {
1360 def LDM : AXI4ld<(outs), (ins addrmode4:$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 = $wb", []>;
1370 } // mayLoad, neverHasSideEffects, hasExtraDefRegAllocReq
1372 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in {
1373 def STM : AXI4st<(outs), (ins addrmode4:$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 = $wb", []>;
1383 } // mayStore, neverHasSideEffects, hasExtraSrcRegAllocReq
1385 //===----------------------------------------------------------------------===//
1386 // Move Instructions.
1389 let neverHasSideEffects = 1 in
1390 def MOVr : AsI1<0b1101, (outs GPR:$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:$imm)>;
2198 // Conditional moves
2199 // FIXME: should be able to write a pattern for ARMcmov, but can't use
2200 // a two-value operand where a dag node expects two operands. :(
2201 let neverHasSideEffects = 1 in {
2202 def MOVCCr : AI1<0b1101, (outs GPR:$dst), (ins GPR:$false, GPR:$true), DPFrm,
2203 IIC_iCMOVr, "mov", "\t$dst, $true",
2204 [/*(set GPR:$dst, (ARMcmov GPR:$false, GPR:$true, imm:$cc, CCR:$ccr))*/]>,
2205 RegConstraint<"$false = $dst">, UnaryDP {
2206 let Inst{11-4} = 0b00000000;
2210 def MOVCCs : AI1<0b1101, (outs GPR:$dst),
2211 (ins GPR:$false, so_reg:$true), DPSoRegFrm, IIC_iCMOVsr,
2212 "mov", "\t$dst, $true",
2213 [/*(set GPR:$dst, (ARMcmov GPR:$false, so_reg:$true, imm:$cc, CCR:$ccr))*/]>,
2214 RegConstraint<"$false = $dst">, UnaryDP {
2218 def MOVCCi : AI1<0b1101, (outs GPR:$dst),
2219 (ins GPR:$false, so_imm:$true), DPFrm, IIC_iCMOVi,
2220 "mov", "\t$dst, $true",
2221 [/*(set GPR:$dst, (ARMcmov GPR:$false, so_imm:$true, imm:$cc, CCR:$ccr))*/]>,
2222 RegConstraint<"$false = $dst">, UnaryDP {
2225 } // neverHasSideEffects
2227 //===----------------------------------------------------------------------===//
2228 // Atomic operations intrinsics
2231 // memory barriers protect the atomic sequences
2232 let hasSideEffects = 1 in {
2233 def Int_MemBarrierV7 : AInoP<(outs), (ins),
2234 Pseudo, NoItinerary,
2236 [(ARMMemBarrierV7)]>,
2237 Requires<[IsARM, HasV7]> {
2238 let Inst{31-4} = 0xf57ff05;
2239 // FIXME: add support for options other than a full system DMB
2240 // See DMB disassembly-only variants below.
2241 let Inst{3-0} = 0b1111;
2244 def Int_SyncBarrierV7 : AInoP<(outs), (ins),
2245 Pseudo, NoItinerary,
2247 [(ARMSyncBarrierV7)]>,
2248 Requires<[IsARM, HasV7]> {
2249 let Inst{31-4} = 0xf57ff04;
2250 // FIXME: add support for options other than a full system DSB
2251 // See DSB disassembly-only variants below.
2252 let Inst{3-0} = 0b1111;
2255 def Int_MemBarrierV6 : AInoP<(outs), (ins GPR:$zero),
2256 Pseudo, NoItinerary,
2257 "mcr", "\tp15, 0, $zero, c7, c10, 5",
2258 [(ARMMemBarrierV6 GPR:$zero)]>,
2259 Requires<[IsARM, HasV6]> {
2260 // FIXME: add support for options other than a full system DMB
2261 // FIXME: add encoding
2264 def Int_SyncBarrierV6 : AInoP<(outs), (ins GPR:$zero),
2265 Pseudo, NoItinerary,
2266 "mcr", "\tp15, 0, $zero, c7, c10, 4",
2267 [(ARMSyncBarrierV6 GPR:$zero)]>,
2268 Requires<[IsARM, HasV6]> {
2269 // FIXME: add support for options other than a full system DSB
2270 // FIXME: add encoding
2274 // Helper class for multiclass MemB -- for disassembly only
2275 class AMBI<string opc, string asm>
2276 : AInoP<(outs), (ins), MiscFrm, NoItinerary, opc, asm,
2277 [/* For disassembly only; pattern left blank */]>,
2278 Requires<[IsARM, HasV7]> {
2279 let Inst{31-20} = 0xf57;
2282 multiclass MemB<bits<4> op7_4, string opc> {
2284 def st : AMBI<opc, "\tst"> {
2285 let Inst{7-4} = op7_4;
2286 let Inst{3-0} = 0b1110;
2289 def ish : AMBI<opc, "\tish"> {
2290 let Inst{7-4} = op7_4;
2291 let Inst{3-0} = 0b1011;
2294 def ishst : AMBI<opc, "\tishst"> {
2295 let Inst{7-4} = op7_4;
2296 let Inst{3-0} = 0b1010;
2299 def nsh : AMBI<opc, "\tnsh"> {
2300 let Inst{7-4} = op7_4;
2301 let Inst{3-0} = 0b0111;
2304 def nshst : AMBI<opc, "\tnshst"> {
2305 let Inst{7-4} = op7_4;
2306 let Inst{3-0} = 0b0110;
2309 def osh : AMBI<opc, "\tosh"> {
2310 let Inst{7-4} = op7_4;
2311 let Inst{3-0} = 0b0011;
2314 def oshst : AMBI<opc, "\toshst"> {
2315 let Inst{7-4} = op7_4;
2316 let Inst{3-0} = 0b0010;
2320 // These DMB variants are for disassembly only.
2321 defm DMB : MemB<0b0101, "dmb">;
2323 // These DSB variants are for disassembly only.
2324 defm DSB : MemB<0b0100, "dsb">;
2326 // ISB has only full system option -- for disassembly only
2327 def ISBsy : AMBI<"isb", ""> {
2328 let Inst{7-4} = 0b0110;
2329 let Inst{3-0} = 0b1111;
2332 let usesCustomInserter = 1 in {
2333 let Uses = [CPSR] in {
2334 def ATOMIC_LOAD_ADD_I8 : PseudoInst<
2335 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2336 "${:comment} ATOMIC_LOAD_ADD_I8 PSEUDO!",
2337 [(set GPR:$dst, (atomic_load_add_8 GPR:$ptr, GPR:$incr))]>;
2338 def ATOMIC_LOAD_SUB_I8 : PseudoInst<
2339 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2340 "${:comment} ATOMIC_LOAD_SUB_I8 PSEUDO!",
2341 [(set GPR:$dst, (atomic_load_sub_8 GPR:$ptr, GPR:$incr))]>;
2342 def ATOMIC_LOAD_AND_I8 : PseudoInst<
2343 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2344 "${:comment} ATOMIC_LOAD_AND_I8 PSEUDO!",
2345 [(set GPR:$dst, (atomic_load_and_8 GPR:$ptr, GPR:$incr))]>;
2346 def ATOMIC_LOAD_OR_I8 : PseudoInst<
2347 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2348 "${:comment} ATOMIC_LOAD_OR_I8 PSEUDO!",
2349 [(set GPR:$dst, (atomic_load_or_8 GPR:$ptr, GPR:$incr))]>;
2350 def ATOMIC_LOAD_XOR_I8 : PseudoInst<
2351 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2352 "${:comment} ATOMIC_LOAD_XOR_I8 PSEUDO!",
2353 [(set GPR:$dst, (atomic_load_xor_8 GPR:$ptr, GPR:$incr))]>;
2354 def ATOMIC_LOAD_NAND_I8 : PseudoInst<
2355 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2356 "${:comment} ATOMIC_LOAD_NAND_I8 PSEUDO!",
2357 [(set GPR:$dst, (atomic_load_nand_8 GPR:$ptr, GPR:$incr))]>;
2358 def ATOMIC_LOAD_ADD_I16 : PseudoInst<
2359 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2360 "${:comment} ATOMIC_LOAD_ADD_I16 PSEUDO!",
2361 [(set GPR:$dst, (atomic_load_add_16 GPR:$ptr, GPR:$incr))]>;
2362 def ATOMIC_LOAD_SUB_I16 : PseudoInst<
2363 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2364 "${:comment} ATOMIC_LOAD_SUB_I16 PSEUDO!",
2365 [(set GPR:$dst, (atomic_load_sub_16 GPR:$ptr, GPR:$incr))]>;
2366 def ATOMIC_LOAD_AND_I16 : PseudoInst<
2367 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2368 "${:comment} ATOMIC_LOAD_AND_I16 PSEUDO!",
2369 [(set GPR:$dst, (atomic_load_and_16 GPR:$ptr, GPR:$incr))]>;
2370 def ATOMIC_LOAD_OR_I16 : PseudoInst<
2371 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2372 "${:comment} ATOMIC_LOAD_OR_I16 PSEUDO!",
2373 [(set GPR:$dst, (atomic_load_or_16 GPR:$ptr, GPR:$incr))]>;
2374 def ATOMIC_LOAD_XOR_I16 : PseudoInst<
2375 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2376 "${:comment} ATOMIC_LOAD_XOR_I16 PSEUDO!",
2377 [(set GPR:$dst, (atomic_load_xor_16 GPR:$ptr, GPR:$incr))]>;
2378 def ATOMIC_LOAD_NAND_I16 : PseudoInst<
2379 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2380 "${:comment} ATOMIC_LOAD_NAND_I16 PSEUDO!",
2381 [(set GPR:$dst, (atomic_load_nand_16 GPR:$ptr, GPR:$incr))]>;
2382 def ATOMIC_LOAD_ADD_I32 : PseudoInst<
2383 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2384 "${:comment} ATOMIC_LOAD_ADD_I32 PSEUDO!",
2385 [(set GPR:$dst, (atomic_load_add_32 GPR:$ptr, GPR:$incr))]>;
2386 def ATOMIC_LOAD_SUB_I32 : PseudoInst<
2387 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2388 "${:comment} ATOMIC_LOAD_SUB_I32 PSEUDO!",
2389 [(set GPR:$dst, (atomic_load_sub_32 GPR:$ptr, GPR:$incr))]>;
2390 def ATOMIC_LOAD_AND_I32 : PseudoInst<
2391 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2392 "${:comment} ATOMIC_LOAD_AND_I32 PSEUDO!",
2393 [(set GPR:$dst, (atomic_load_and_32 GPR:$ptr, GPR:$incr))]>;
2394 def ATOMIC_LOAD_OR_I32 : PseudoInst<
2395 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2396 "${:comment} ATOMIC_LOAD_OR_I32 PSEUDO!",
2397 [(set GPR:$dst, (atomic_load_or_32 GPR:$ptr, GPR:$incr))]>;
2398 def ATOMIC_LOAD_XOR_I32 : PseudoInst<
2399 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2400 "${:comment} ATOMIC_LOAD_XOR_I32 PSEUDO!",
2401 [(set GPR:$dst, (atomic_load_xor_32 GPR:$ptr, GPR:$incr))]>;
2402 def ATOMIC_LOAD_NAND_I32 : PseudoInst<
2403 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2404 "${:comment} ATOMIC_LOAD_NAND_I32 PSEUDO!",
2405 [(set GPR:$dst, (atomic_load_nand_32 GPR:$ptr, GPR:$incr))]>;
2407 def ATOMIC_SWAP_I8 : PseudoInst<
2408 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
2409 "${:comment} ATOMIC_SWAP_I8 PSEUDO!",
2410 [(set GPR:$dst, (atomic_swap_8 GPR:$ptr, GPR:$new))]>;
2411 def ATOMIC_SWAP_I16 : PseudoInst<
2412 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
2413 "${:comment} ATOMIC_SWAP_I16 PSEUDO!",
2414 [(set GPR:$dst, (atomic_swap_16 GPR:$ptr, GPR:$new))]>;
2415 def ATOMIC_SWAP_I32 : PseudoInst<
2416 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
2417 "${:comment} ATOMIC_SWAP_I32 PSEUDO!",
2418 [(set GPR:$dst, (atomic_swap_32 GPR:$ptr, GPR:$new))]>;
2420 def ATOMIC_CMP_SWAP_I8 : PseudoInst<
2421 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
2422 "${:comment} ATOMIC_CMP_SWAP_I8 PSEUDO!",
2423 [(set GPR:$dst, (atomic_cmp_swap_8 GPR:$ptr, GPR:$old, GPR:$new))]>;
2424 def ATOMIC_CMP_SWAP_I16 : PseudoInst<
2425 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
2426 "${:comment} ATOMIC_CMP_SWAP_I16 PSEUDO!",
2427 [(set GPR:$dst, (atomic_cmp_swap_16 GPR:$ptr, GPR:$old, GPR:$new))]>;
2428 def ATOMIC_CMP_SWAP_I32 : PseudoInst<
2429 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
2430 "${:comment} ATOMIC_CMP_SWAP_I32 PSEUDO!",
2431 [(set GPR:$dst, (atomic_cmp_swap_32 GPR:$ptr, GPR:$old, GPR:$new))]>;
2435 let mayLoad = 1 in {
2436 def LDREXB : AIldrex<0b10, (outs GPR:$dest), (ins GPR:$ptr), NoItinerary,
2437 "ldrexb", "\t$dest, [$ptr]",
2439 def LDREXH : AIldrex<0b11, (outs GPR:$dest), (ins GPR:$ptr), NoItinerary,
2440 "ldrexh", "\t$dest, [$ptr]",
2442 def LDREX : AIldrex<0b00, (outs GPR:$dest), (ins GPR:$ptr), NoItinerary,
2443 "ldrex", "\t$dest, [$ptr]",
2445 def LDREXD : AIldrex<0b01, (outs GPR:$dest, GPR:$dest2), (ins GPR:$ptr),
2447 "ldrexd", "\t$dest, $dest2, [$ptr]",
2451 let mayStore = 1, Constraints = "@earlyclobber $success" in {
2452 def STREXB : AIstrex<0b10, (outs GPR:$success), (ins GPR:$src, GPR:$ptr),
2454 "strexb", "\t$success, $src, [$ptr]",
2456 def STREXH : AIstrex<0b11, (outs GPR:$success), (ins GPR:$src, GPR:$ptr),
2458 "strexh", "\t$success, $src, [$ptr]",
2460 def STREX : AIstrex<0b00, (outs GPR:$success), (ins GPR:$src, GPR:$ptr),
2462 "strex", "\t$success, $src, [$ptr]",
2464 def STREXD : AIstrex<0b01, (outs GPR:$success),
2465 (ins GPR:$src, GPR:$src2, GPR:$ptr),
2467 "strexd", "\t$success, $src, $src2, [$ptr]",
2471 // Clear-Exclusive is for disassembly only.
2472 def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex",
2473 [/* For disassembly only; pattern left blank */]>,
2474 Requires<[IsARM, HasV7]> {
2475 let Inst{31-20} = 0xf57;
2476 let Inst{7-4} = 0b0001;
2479 // SWP/SWPB are deprecated in V6/V7 and for disassembly only.
2480 let mayLoad = 1 in {
2481 def SWP : AI<(outs GPR:$dst), (ins GPR:$src, GPR:$ptr), LdStExFrm, NoItinerary,
2482 "swp", "\t$dst, $src, [$ptr]",
2483 [/* For disassembly only; pattern left blank */]> {
2484 let Inst{27-23} = 0b00010;
2485 let Inst{22} = 0; // B = 0
2486 let Inst{21-20} = 0b00;
2487 let Inst{7-4} = 0b1001;
2490 def SWPB : AI<(outs GPR:$dst), (ins GPR:$src, GPR:$ptr), LdStExFrm, NoItinerary,
2491 "swpb", "\t$dst, $src, [$ptr]",
2492 [/* For disassembly only; pattern left blank */]> {
2493 let Inst{27-23} = 0b00010;
2494 let Inst{22} = 1; // B = 1
2495 let Inst{21-20} = 0b00;
2496 let Inst{7-4} = 0b1001;
2500 //===----------------------------------------------------------------------===//
2504 // __aeabi_read_tp preserves the registers r1-r3.
2506 Defs = [R0, R12, LR, CPSR] in {
2507 def TPsoft : ABXI<0b1011, (outs), (ins), IIC_Br,
2508 "bl\t__aeabi_read_tp",
2509 [(set R0, ARMthread_pointer)]>;
2512 //===----------------------------------------------------------------------===//
2513 // SJLJ Exception handling intrinsics
2514 // eh_sjlj_setjmp() is an instruction sequence to store the return
2515 // address and save #0 in R0 for the non-longjmp case.
2516 // Since by its nature we may be coming from some other function to get
2517 // here, and we're using the stack frame for the containing function to
2518 // save/restore registers, we can't keep anything live in regs across
2519 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
2520 // when we get here from a longjmp(). We force everthing out of registers
2521 // except for our own input by listing the relevant registers in Defs. By
2522 // doing so, we also cause the prologue/epilogue code to actively preserve
2523 // all of the callee-saved resgisters, which is exactly what we want.
2524 // A constant value is passed in $val, and we use the location as a scratch.
2526 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, D0,
2527 D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15,
2528 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26, D27, D28, D29, D30,
2530 def Int_eh_sjlj_setjmp : XI<(outs), (ins GPR:$src, GPR:$val),
2531 AddrModeNone, SizeSpecial, IndexModeNone,
2532 Pseudo, NoItinerary,
2533 "str\tsp, [$src, #+8] ${:comment} eh_setjmp begin\n\t"
2534 "add\t$val, pc, #8\n\t"
2535 "str\t$val, [$src, #+4]\n\t"
2537 "add\tpc, pc, #0\n\t"
2538 "mov\tr0, #1 ${:comment} eh_setjmp end", "",
2539 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
2540 Requires<[IsARM, HasVFP2]>;
2544 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR ] in {
2545 def Int_eh_sjlj_setjmp_nofp : XI<(outs), (ins GPR:$src, GPR:$val),
2546 AddrModeNone, SizeSpecial, IndexModeNone,
2547 Pseudo, NoItinerary,
2548 "str\tsp, [$src, #+8] ${:comment} eh_setjmp begin\n\t"
2549 "add\t$val, pc, #8\n\t"
2550 "str\t$val, [$src, #+4]\n\t"
2552 "add\tpc, pc, #0\n\t"
2553 "mov\tr0, #1 ${:comment} eh_setjmp end", "",
2554 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
2555 Requires<[IsARM, NoVFP]>;
2558 //===----------------------------------------------------------------------===//
2559 // Non-Instruction Patterns
2562 // Large immediate handling.
2564 // Two piece so_imms.
2565 let isReMaterializable = 1 in
2566 def MOVi2pieces : AI1x2<(outs GPR:$dst), (ins so_imm2part:$src),
2568 "mov", "\t$dst, $src",
2569 [(set GPR:$dst, so_imm2part:$src)]>,
2570 Requires<[IsARM, NoV6T2]>;
2572 def : ARMPat<(or GPR:$LHS, so_imm2part:$RHS),
2573 (ORRri (ORRri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
2574 (so_imm2part_2 imm:$RHS))>;
2575 def : ARMPat<(xor GPR:$LHS, so_imm2part:$RHS),
2576 (EORri (EORri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
2577 (so_imm2part_2 imm:$RHS))>;
2578 def : ARMPat<(add GPR:$LHS, so_imm2part:$RHS),
2579 (ADDri (ADDri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
2580 (so_imm2part_2 imm:$RHS))>;
2581 def : ARMPat<(add GPR:$LHS, so_neg_imm2part:$RHS),
2582 (SUBri (SUBri GPR:$LHS, (so_neg_imm2part_1 imm:$RHS)),
2583 (so_neg_imm2part_2 imm:$RHS))>;
2585 // 32-bit immediate using movw + movt.
2586 // This is a single pseudo instruction, the benefit is that it can be remat'd
2587 // as a single unit instead of having to handle reg inputs.
2588 // FIXME: Remove this when we can do generalized remat.
2589 let isReMaterializable = 1 in
2590 def MOVi32imm : AI1x2<(outs GPR:$dst), (ins i32imm:$src), Pseudo, IIC_iMOVi,
2591 "movw", "\t$dst, ${src:lo16}\n\tmovt${p}\t$dst, ${src:hi16}",
2592 [(set GPR:$dst, (i32 imm:$src))]>,
2593 Requires<[IsARM, HasV6T2]>;
2595 // ConstantPool, GlobalAddress, and JumpTable
2596 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>,
2597 Requires<[IsARM, DontUseMovt]>;
2598 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
2599 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
2600 Requires<[IsARM, UseMovt]>;
2601 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
2602 (LEApcrelJT tjumptable:$dst, imm:$id)>;
2604 // TODO: add,sub,and, 3-instr forms?
2608 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>,
2609 Requires<[IsARM, IsNotDarwin]>;
2610 def : ARMPat<(ARMcall texternalsym:$func), (BLr9 texternalsym:$func)>,
2611 Requires<[IsARM, IsDarwin]>;
2613 // zextload i1 -> zextload i8
2614 def : ARMPat<(zextloadi1 addrmode2:$addr), (LDRB addrmode2:$addr)>;
2616 // extload -> zextload
2617 def : ARMPat<(extloadi1 addrmode2:$addr), (LDRB addrmode2:$addr)>;
2618 def : ARMPat<(extloadi8 addrmode2:$addr), (LDRB addrmode2:$addr)>;
2619 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
2621 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
2622 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
2625 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
2626 (sra (shl GPR:$b, (i32 16)), (i32 16))),
2627 (SMULBB GPR:$a, GPR:$b)>;
2628 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
2629 (SMULBB GPR:$a, GPR:$b)>;
2630 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
2631 (sra GPR:$b, (i32 16))),
2632 (SMULBT GPR:$a, GPR:$b)>;
2633 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
2634 (SMULBT GPR:$a, GPR:$b)>;
2635 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
2636 (sra (shl GPR:$b, (i32 16)), (i32 16))),
2637 (SMULTB GPR:$a, GPR:$b)>;
2638 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
2639 (SMULTB GPR:$a, GPR:$b)>;
2640 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
2642 (SMULWB GPR:$a, GPR:$b)>;
2643 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
2644 (SMULWB GPR:$a, GPR:$b)>;
2646 def : ARMV5TEPat<(add GPR:$acc,
2647 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
2648 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
2649 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
2650 def : ARMV5TEPat<(add GPR:$acc,
2651 (mul sext_16_node:$a, sext_16_node:$b)),
2652 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
2653 def : ARMV5TEPat<(add GPR:$acc,
2654 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
2655 (sra GPR:$b, (i32 16)))),
2656 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
2657 def : ARMV5TEPat<(add GPR:$acc,
2658 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
2659 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
2660 def : ARMV5TEPat<(add GPR:$acc,
2661 (mul (sra GPR:$a, (i32 16)),
2662 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
2663 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
2664 def : ARMV5TEPat<(add GPR:$acc,
2665 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
2666 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
2667 def : ARMV5TEPat<(add GPR:$acc,
2668 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
2670 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
2671 def : ARMV5TEPat<(add GPR:$acc,
2672 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
2673 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
2675 //===----------------------------------------------------------------------===//
2679 include "ARMInstrThumb.td"
2681 //===----------------------------------------------------------------------===//
2685 include "ARMInstrThumb2.td"
2687 //===----------------------------------------------------------------------===//
2688 // Floating Point Support
2691 include "ARMInstrVFP.td"
2693 //===----------------------------------------------------------------------===//
2694 // Advanced SIMD (NEON) Support
2697 include "ARMInstrNEON.td"
2699 //===----------------------------------------------------------------------===//
2700 // Coprocessor Instructions. For disassembly only.
2703 def CDP : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2704 nohash_imm:$CRd, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2705 NoItinerary, "cdp", "\tp$cop, $opc1, cr$CRd, cr$CRn, cr$CRm, $opc2",
2706 [/* For disassembly only; pattern left blank */]> {
2710 def CDP2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2711 nohash_imm:$CRd, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2712 NoItinerary, "cdp2\tp$cop, $opc1, cr$CRd, cr$CRn, cr$CRm, $opc2",
2713 [/* For disassembly only; pattern left blank */]> {
2714 let Inst{31-28} = 0b1111;
2718 class ACI<dag oops, dag iops, string opc, string asm>
2719 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, BrFrm, NoItinerary,
2720 opc, asm, "", [/* For disassembly only; pattern left blank */]> {
2721 let Inst{27-25} = 0b110;
2724 multiclass LdStCop<bits<4> op31_28, bit load, string opc> {
2726 def _OFFSET : ACI<(outs),
2727 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
2728 opc, "\tp$cop, cr$CRd, $addr"> {
2729 let Inst{31-28} = op31_28;
2730 let Inst{24} = 1; // P = 1
2731 let Inst{21} = 0; // W = 0
2732 let Inst{22} = 0; // D = 0
2733 let Inst{20} = load;
2736 def _PRE : ACI<(outs),
2737 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
2738 opc, "\tp$cop, cr$CRd, $addr!"> {
2739 let Inst{31-28} = op31_28;
2740 let Inst{24} = 1; // P = 1
2741 let Inst{21} = 1; // W = 1
2742 let Inst{22} = 0; // D = 0
2743 let Inst{20} = load;
2746 def _POST : ACI<(outs),
2747 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
2748 opc, "\tp$cop, cr$CRd, [$base], $offset"> {
2749 let Inst{31-28} = op31_28;
2750 let Inst{24} = 0; // P = 0
2751 let Inst{21} = 1; // W = 1
2752 let Inst{22} = 0; // D = 0
2753 let Inst{20} = load;
2756 def _OPTION : ACI<(outs),
2757 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, i32imm:$option),
2758 opc, "\tp$cop, cr$CRd, [$base], $option"> {
2759 let Inst{31-28} = op31_28;
2760 let Inst{24} = 0; // P = 0
2761 let Inst{23} = 1; // U = 1
2762 let Inst{21} = 0; // W = 0
2763 let Inst{22} = 0; // D = 0
2764 let Inst{20} = load;
2767 def L_OFFSET : ACI<(outs),
2768 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
2769 !strconcat(opc, "l"), "\tp$cop, cr$CRd, $addr"> {
2770 let Inst{31-28} = op31_28;
2771 let Inst{24} = 1; // P = 1
2772 let Inst{21} = 0; // W = 0
2773 let Inst{22} = 1; // D = 1
2774 let Inst{20} = load;
2777 def L_PRE : ACI<(outs),
2778 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
2779 !strconcat(opc, "l"), "\tp$cop, cr$CRd, $addr!"> {
2780 let Inst{31-28} = op31_28;
2781 let Inst{24} = 1; // P = 1
2782 let Inst{21} = 1; // W = 1
2783 let Inst{22} = 1; // D = 1
2784 let Inst{20} = load;
2787 def L_POST : ACI<(outs),
2788 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
2789 !strconcat(opc, "l"), "\tp$cop, cr$CRd, [$base], $offset"> {
2790 let Inst{31-28} = op31_28;
2791 let Inst{24} = 0; // P = 0
2792 let Inst{21} = 1; // W = 1
2793 let Inst{22} = 1; // D = 1
2794 let Inst{20} = load;
2797 def L_OPTION : ACI<(outs),
2798 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, nohash_imm:$option),
2799 !strconcat(opc, "l"), "\tp$cop, cr$CRd, [$base], $option"> {
2800 let Inst{31-28} = op31_28;
2801 let Inst{24} = 0; // P = 0
2802 let Inst{23} = 1; // U = 1
2803 let Inst{21} = 0; // W = 0
2804 let Inst{22} = 1; // D = 1
2805 let Inst{20} = load;
2809 defm LDC : LdStCop<{?,?,?,?}, 1, "ldc">;
2810 defm LDC2 : LdStCop<0b1111, 1, "ldc2">;
2811 defm STC : LdStCop<{?,?,?,?}, 0, "stc">;
2812 defm STC2 : LdStCop<0b1111, 0, "stc2">;
2814 def MCR : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2815 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2816 NoItinerary, "mcr", "\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
2817 [/* For disassembly only; pattern left blank */]> {
2822 def MCR2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2823 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2824 NoItinerary, "mcr2\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
2825 [/* For disassembly only; pattern left blank */]> {
2826 let Inst{31-28} = 0b1111;
2831 def MRC : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2832 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2833 NoItinerary, "mrc", "\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
2834 [/* For disassembly only; pattern left blank */]> {
2839 def MRC2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2840 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2841 NoItinerary, "mrc2\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
2842 [/* For disassembly only; pattern left blank */]> {
2843 let Inst{31-28} = 0b1111;
2848 def MCRR : ABI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
2849 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
2850 NoItinerary, "mcrr", "\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
2851 [/* For disassembly only; pattern left blank */]> {
2852 let Inst{23-20} = 0b0100;
2855 def MCRR2 : ABXI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
2856 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
2857 NoItinerary, "mcrr2\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
2858 [/* For disassembly only; pattern left blank */]> {
2859 let Inst{31-28} = 0b1111;
2860 let Inst{23-20} = 0b0100;
2863 def MRRC : ABI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
2864 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
2865 NoItinerary, "mrrc", "\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
2866 [/* For disassembly only; pattern left blank */]> {
2867 let Inst{23-20} = 0b0101;
2870 def MRRC2 : ABXI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
2871 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
2872 NoItinerary, "mrrc2\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
2873 [/* For disassembly only; pattern left blank */]> {
2874 let Inst{31-28} = 0b1111;
2875 let Inst{23-20} = 0b0101;
2878 //===----------------------------------------------------------------------===//
2879 // Move between special register and ARM core register -- for disassembly only
2882 def MRS : ABI<0b0001,(outs GPR:$dst),(ins), NoItinerary, "mrs", "\t$dst, cpsr",
2883 [/* For disassembly only; pattern left blank */]> {
2884 let Inst{23-20} = 0b0000;
2885 let Inst{7-4} = 0b0000;
2888 def MRSsys : ABI<0b0001,(outs GPR:$dst),(ins), NoItinerary,"mrs","\t$dst, spsr",
2889 [/* For disassembly only; pattern left blank */]> {
2890 let Inst{23-20} = 0b0100;
2891 let Inst{7-4} = 0b0000;
2894 def MSR : ABI<0b0001, (outs), (ins GPR:$src, msr_mask:$mask), NoItinerary,
2895 "msr", "\tcpsr$mask, $src",
2896 [/* For disassembly only; pattern left blank */]> {
2897 let Inst{23-20} = 0b0010;
2898 let Inst{7-4} = 0b0000;
2901 def MSRi : ABI<0b0011, (outs), (ins so_imm:$a, msr_mask:$mask), NoItinerary,
2902 "msr", "\tcpsr$mask, $a",
2903 [/* For disassembly only; pattern left blank */]> {
2904 let Inst{23-20} = 0b0010;
2905 let Inst{7-4} = 0b0000;
2908 def MSRsys : ABI<0b0001, (outs), (ins GPR:$src, msr_mask:$mask), NoItinerary,
2909 "msr", "\tspsr$mask, $src",
2910 [/* For disassembly only; pattern left blank */]> {
2911 let Inst{23-20} = 0b0110;
2912 let Inst{7-4} = 0b0000;
2915 def MSRsysi : ABI<0b0011, (outs), (ins so_imm:$a, msr_mask:$mask), NoItinerary,
2916 "msr", "\tspsr$mask, $a",
2917 [/* For disassembly only; pattern left blank */]> {
2918 let Inst{23-20} = 0b0110;
2919 let Inst{7-4} = 0b0000;