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>,
49 def SDT_ARMEH_SJLJ_Longjmp: SDTypeProfile<0, 2, [SDTCisPtrTy<0>, SDTCisInt<1>]>;
51 def SDT_ARMMEMBARRIERV7 : SDTypeProfile<0, 0, []>;
52 def SDT_ARMSYNCBARRIERV7 : SDTypeProfile<0, 0, []>;
53 def SDT_ARMMEMBARRIERV6 : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
54 def SDT_ARMSYNCBARRIERV6 : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
56 def SDT_ARMTCRET : SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>;
59 def ARMWrapper : SDNode<"ARMISD::Wrapper", SDTIntUnaryOp>;
60 def ARMWrapperJT : SDNode<"ARMISD::WrapperJT", SDTIntBinOp>;
62 def ARMcallseq_start : SDNode<"ISD::CALLSEQ_START", SDT_ARMCallSeqStart,
63 [SDNPHasChain, SDNPOutFlag]>;
64 def ARMcallseq_end : SDNode<"ISD::CALLSEQ_END", SDT_ARMCallSeqEnd,
65 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
67 def ARMcall : SDNode<"ARMISD::CALL", SDT_ARMcall,
68 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag,
70 def ARMcall_pred : SDNode<"ARMISD::CALL_PRED", SDT_ARMcall,
71 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag,
73 def ARMcall_nolink : SDNode<"ARMISD::CALL_NOLINK", SDT_ARMcall,
74 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag,
77 def ARMretflag : SDNode<"ARMISD::RET_FLAG", SDTNone,
78 [SDNPHasChain, SDNPOptInFlag]>;
80 def ARMcmov : SDNode<"ARMISD::CMOV", SDT_ARMCMov,
82 def ARMcneg : SDNode<"ARMISD::CNEG", SDT_ARMCMov,
85 def ARMbrcond : SDNode<"ARMISD::BRCOND", SDT_ARMBrcond,
86 [SDNPHasChain, SDNPInFlag, SDNPOutFlag]>;
88 def ARMbrjt : SDNode<"ARMISD::BR_JT", SDT_ARMBrJT,
90 def ARMbr2jt : SDNode<"ARMISD::BR2_JT", SDT_ARMBr2JT,
93 def ARMcmp : SDNode<"ARMISD::CMP", SDT_ARMCmp,
96 def ARMcmpZ : SDNode<"ARMISD::CMPZ", SDT_ARMCmp,
97 [SDNPOutFlag,SDNPCommutative]>;
99 def ARMpic_add : SDNode<"ARMISD::PIC_ADD", SDT_ARMPICAdd>;
101 def ARMsrl_flag : SDNode<"ARMISD::SRL_FLAG", SDTIntUnaryOp, [SDNPOutFlag]>;
102 def ARMsra_flag : SDNode<"ARMISD::SRA_FLAG", SDTIntUnaryOp, [SDNPOutFlag]>;
103 def ARMrrx : SDNode<"ARMISD::RRX" , SDTIntUnaryOp, [SDNPInFlag ]>;
105 def ARMthread_pointer: SDNode<"ARMISD::THREAD_POINTER", SDT_ARMThreadPointer>;
106 def ARMeh_sjlj_setjmp: SDNode<"ARMISD::EH_SJLJ_SETJMP",
107 SDT_ARMEH_SJLJ_Setjmp, [SDNPHasChain]>;
108 def ARMeh_sjlj_longjmp: SDNode<"ARMISD::EH_SJLJ_LONGJMP",
109 SDT_ARMEH_SJLJ_Longjmp, [SDNPHasChain]>;
111 def ARMMemBarrierV7 : SDNode<"ARMISD::MEMBARRIER", SDT_ARMMEMBARRIERV7,
113 def ARMSyncBarrierV7 : SDNode<"ARMISD::SYNCBARRIER", SDT_ARMMEMBARRIERV7,
115 def ARMMemBarrierV6 : SDNode<"ARMISD::MEMBARRIER", SDT_ARMMEMBARRIERV6,
117 def ARMSyncBarrierV6 : SDNode<"ARMISD::SYNCBARRIER", SDT_ARMMEMBARRIERV6,
120 def ARMrbit : SDNode<"ARMISD::RBIT", SDTIntUnaryOp>;
122 def ARMtcret : SDNode<"ARMISD::TC_RETURN", SDT_ARMTCRET,
123 [SDNPHasChain, SDNPOptInFlag, SDNPVariadic]>;
125 //===----------------------------------------------------------------------===//
126 // ARM Instruction Predicate Definitions.
128 def HasV4T : Predicate<"Subtarget->hasV4TOps()">;
129 def NoV4T : Predicate<"!Subtarget->hasV4TOps()">;
130 def HasV5T : Predicate<"Subtarget->hasV5TOps()">;
131 def HasV5TE : Predicate<"Subtarget->hasV5TEOps()">;
132 def HasV6 : Predicate<"Subtarget->hasV6Ops()">;
133 def HasV6T2 : Predicate<"Subtarget->hasV6T2Ops()">;
134 def NoV6T2 : Predicate<"!Subtarget->hasV6T2Ops()">;
135 def HasV7 : Predicate<"Subtarget->hasV7Ops()">;
136 def NoVFP : Predicate<"!Subtarget->hasVFP2()">;
137 def HasVFP2 : Predicate<"Subtarget->hasVFP2()">;
138 def HasVFP3 : Predicate<"Subtarget->hasVFP3()">;
139 def HasNEON : Predicate<"Subtarget->hasNEON()">;
140 def HasDivide : Predicate<"Subtarget->hasDivide()">;
141 def HasT2ExtractPack : Predicate<"Subtarget->hasT2ExtractPack()">;
142 def UseNEONForFP : Predicate<"Subtarget->useNEONForSinglePrecisionFP()">;
143 def DontUseNEONForFP : Predicate<"!Subtarget->useNEONForSinglePrecisionFP()">;
144 def IsThumb : Predicate<"Subtarget->isThumb()">;
145 def IsThumb1Only : Predicate<"Subtarget->isThumb1Only()">;
146 def IsThumb2 : Predicate<"Subtarget->isThumb2()">;
147 def IsARM : Predicate<"!Subtarget->isThumb()">;
148 def IsDarwin : Predicate<"Subtarget->isTargetDarwin()">;
149 def IsNotDarwin : Predicate<"!Subtarget->isTargetDarwin()">;
151 // FIXME: Eventually this will be just "hasV6T2Ops".
152 def UseMovt : Predicate<"Subtarget->useMovt()">;
153 def DontUseMovt : Predicate<"!Subtarget->useMovt()">;
155 def UseVMLx : Predicate<"Subtarget->useVMLx()">;
157 //===----------------------------------------------------------------------===//
158 // ARM Flag Definitions.
160 class RegConstraint<string C> {
161 string Constraints = C;
164 //===----------------------------------------------------------------------===//
165 // ARM specific transformation functions and pattern fragments.
168 // so_imm_neg_XFORM - Return a so_imm value packed into the format described for
169 // so_imm_neg def below.
170 def so_imm_neg_XFORM : SDNodeXForm<imm, [{
171 return CurDAG->getTargetConstant(-(int)N->getZExtValue(), MVT::i32);
174 // so_imm_not_XFORM - Return a so_imm value packed into the format described for
175 // so_imm_not def below.
176 def so_imm_not_XFORM : SDNodeXForm<imm, [{
177 return CurDAG->getTargetConstant(~(int)N->getZExtValue(), MVT::i32);
180 // rot_imm predicate - True if the 32-bit immediate is equal to 8, 16, or 24.
181 def rot_imm : PatLeaf<(i32 imm), [{
182 int32_t v = (int32_t)N->getZExtValue();
183 return v == 8 || v == 16 || v == 24;
186 /// imm1_15 predicate - True if the 32-bit immediate is in the range [1,15].
187 def imm1_15 : PatLeaf<(i32 imm), [{
188 return (int32_t)N->getZExtValue() >= 1 && (int32_t)N->getZExtValue() < 16;
191 /// imm16_31 predicate - True if the 32-bit immediate is in the range [16,31].
192 def imm16_31 : PatLeaf<(i32 imm), [{
193 return (int32_t)N->getZExtValue() >= 16 && (int32_t)N->getZExtValue() < 32;
198 return ARM_AM::getSOImmVal(-(int)N->getZExtValue()) != -1;
199 }], so_imm_neg_XFORM>;
203 return ARM_AM::getSOImmVal(~(int)N->getZExtValue()) != -1;
204 }], so_imm_not_XFORM>;
206 // sext_16_node predicate - True if the SDNode is sign-extended 16 or more bits.
207 def sext_16_node : PatLeaf<(i32 GPR:$a), [{
208 return CurDAG->ComputeNumSignBits(SDValue(N,0)) >= 17;
211 /// bf_inv_mask_imm predicate - An AND mask to clear an arbitrary width bitfield
213 def bf_inv_mask_imm : Operand<i32>,
215 uint32_t v = (uint32_t)N->getZExtValue();
218 // there can be 1's on either or both "outsides", all the "inside"
220 unsigned int lsb = 0, msb = 31;
221 while (v & (1 << msb)) --msb;
222 while (v & (1 << lsb)) ++lsb;
223 for (unsigned int i = lsb; i <= msb; ++i) {
229 let PrintMethod = "printBitfieldInvMaskImmOperand";
232 /// Split a 32-bit immediate into two 16 bit parts.
233 def lo16 : SDNodeXForm<imm, [{
234 return CurDAG->getTargetConstant((uint32_t)N->getZExtValue() & 0xffff,
238 def hi16 : SDNodeXForm<imm, [{
239 return CurDAG->getTargetConstant((uint32_t)N->getZExtValue() >> 16, MVT::i32);
242 def lo16AllZero : PatLeaf<(i32 imm), [{
243 // Returns true if all low 16-bits are 0.
244 return (((uint32_t)N->getZExtValue()) & 0xFFFFUL) == 0;
247 /// imm0_65535 predicate - True if the 32-bit immediate is in the range
249 def imm0_65535 : PatLeaf<(i32 imm), [{
250 return (uint32_t)N->getZExtValue() < 65536;
253 class BinOpFrag<dag res> : PatFrag<(ops node:$LHS, node:$RHS), res>;
254 class UnOpFrag <dag res> : PatFrag<(ops node:$Src), res>;
256 /// adde and sube predicates - True based on whether the carry flag output
257 /// will be needed or not.
258 def adde_dead_carry :
259 PatFrag<(ops node:$LHS, node:$RHS), (adde node:$LHS, node:$RHS),
260 [{return !N->hasAnyUseOfValue(1);}]>;
261 def sube_dead_carry :
262 PatFrag<(ops node:$LHS, node:$RHS), (sube node:$LHS, node:$RHS),
263 [{return !N->hasAnyUseOfValue(1);}]>;
264 def adde_live_carry :
265 PatFrag<(ops node:$LHS, node:$RHS), (adde node:$LHS, node:$RHS),
266 [{return N->hasAnyUseOfValue(1);}]>;
267 def sube_live_carry :
268 PatFrag<(ops node:$LHS, node:$RHS), (sube node:$LHS, node:$RHS),
269 [{return N->hasAnyUseOfValue(1);}]>;
271 //===----------------------------------------------------------------------===//
272 // Operand Definitions.
276 def brtarget : Operand<OtherVT>;
278 // A list of registers separated by comma. Used by load/store multiple.
279 def reglist : Operand<i32> {
280 let PrintMethod = "printRegisterList";
283 // An operand for the CONSTPOOL_ENTRY pseudo-instruction.
284 def cpinst_operand : Operand<i32> {
285 let PrintMethod = "printCPInstOperand";
288 def jtblock_operand : Operand<i32> {
289 let PrintMethod = "printJTBlockOperand";
291 def jt2block_operand : Operand<i32> {
292 let PrintMethod = "printJT2BlockOperand";
296 def pclabel : Operand<i32> {
297 let PrintMethod = "printPCLabel";
300 // shifter_operand operands: so_reg and so_imm.
301 def so_reg : Operand<i32>, // reg reg imm
302 ComplexPattern<i32, 3, "SelectShifterOperandReg",
303 [shl,srl,sra,rotr]> {
304 let PrintMethod = "printSORegOperand";
305 let MIOperandInfo = (ops GPR, GPR, i32imm);
308 // so_imm - Match a 32-bit shifter_operand immediate operand, which is an
309 // 8-bit immediate rotated by an arbitrary number of bits. so_imm values are
310 // represented in the imm field in the same 12-bit form that they are encoded
311 // into so_imm instructions: the 8-bit immediate is the least significant bits
312 // [bits 0-7], the 4-bit shift amount is the next 4 bits [bits 8-11].
313 def so_imm : Operand<i32>,
315 return ARM_AM::getSOImmVal(N->getZExtValue()) != -1;
317 let PrintMethod = "printSOImmOperand";
320 // Break so_imm's up into two pieces. This handles immediates with up to 16
321 // bits set in them. This uses so_imm2part to match and so_imm2part_[12] to
322 // get the first/second pieces.
323 def so_imm2part : Operand<i32>,
325 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
327 let PrintMethod = "printSOImm2PartOperand";
330 def so_imm2part_1 : SDNodeXForm<imm, [{
331 unsigned V = ARM_AM::getSOImmTwoPartFirst((unsigned)N->getZExtValue());
332 return CurDAG->getTargetConstant(V, MVT::i32);
335 def so_imm2part_2 : SDNodeXForm<imm, [{
336 unsigned V = ARM_AM::getSOImmTwoPartSecond((unsigned)N->getZExtValue());
337 return CurDAG->getTargetConstant(V, MVT::i32);
340 def so_neg_imm2part : Operand<i32>, PatLeaf<(imm), [{
341 return ARM_AM::isSOImmTwoPartVal(-(int)N->getZExtValue());
343 let PrintMethod = "printSOImm2PartOperand";
346 def so_neg_imm2part_1 : SDNodeXForm<imm, [{
347 unsigned V = ARM_AM::getSOImmTwoPartFirst(-(int)N->getZExtValue());
348 return CurDAG->getTargetConstant(V, MVT::i32);
351 def so_neg_imm2part_2 : SDNodeXForm<imm, [{
352 unsigned V = ARM_AM::getSOImmTwoPartSecond(-(int)N->getZExtValue());
353 return CurDAG->getTargetConstant(V, MVT::i32);
356 /// imm0_31 predicate - True if the 32-bit immediate is in the range [0,31].
357 def imm0_31 : Operand<i32>, PatLeaf<(imm), [{
358 return (int32_t)N->getZExtValue() < 32;
361 // Define ARM specific addressing modes.
363 // addrmode2 := reg +/- reg shop imm
364 // addrmode2 := reg +/- imm12
366 def addrmode2 : Operand<i32>,
367 ComplexPattern<i32, 3, "SelectAddrMode2", []> {
368 let PrintMethod = "printAddrMode2Operand";
369 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
372 def am2offset : Operand<i32>,
373 ComplexPattern<i32, 2, "SelectAddrMode2Offset", []> {
374 let PrintMethod = "printAddrMode2OffsetOperand";
375 let MIOperandInfo = (ops GPR, i32imm);
378 // addrmode3 := reg +/- reg
379 // addrmode3 := reg +/- imm8
381 def addrmode3 : Operand<i32>,
382 ComplexPattern<i32, 3, "SelectAddrMode3", []> {
383 let PrintMethod = "printAddrMode3Operand";
384 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
387 def am3offset : Operand<i32>,
388 ComplexPattern<i32, 2, "SelectAddrMode3Offset", []> {
389 let PrintMethod = "printAddrMode3OffsetOperand";
390 let MIOperandInfo = (ops GPR, i32imm);
393 // addrmode4 := reg, <mode|W>
395 def addrmode4 : Operand<i32>,
396 ComplexPattern<i32, 2, "SelectAddrMode4", []> {
397 let PrintMethod = "printAddrMode4Operand";
398 let MIOperandInfo = (ops GPR:$addr, i32imm);
401 // addrmode5 := reg +/- imm8*4
403 def addrmode5 : Operand<i32>,
404 ComplexPattern<i32, 2, "SelectAddrMode5", []> {
405 let PrintMethod = "printAddrMode5Operand";
406 let MIOperandInfo = (ops GPR:$base, i32imm);
409 // addrmode6 := reg with optional writeback
411 def addrmode6 : Operand<i32>,
412 ComplexPattern<i32, 2, "SelectAddrMode6", []> {
413 let PrintMethod = "printAddrMode6Operand";
414 let MIOperandInfo = (ops GPR:$addr, i32imm);
417 def am6offset : Operand<i32> {
418 let PrintMethod = "printAddrMode6OffsetOperand";
419 let MIOperandInfo = (ops GPR);
422 // addrmodepc := pc + reg
424 def addrmodepc : Operand<i32>,
425 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
426 let PrintMethod = "printAddrModePCOperand";
427 let MIOperandInfo = (ops GPR, i32imm);
430 def nohash_imm : Operand<i32> {
431 let PrintMethod = "printNoHashImmediate";
434 //===----------------------------------------------------------------------===//
436 include "ARMInstrFormats.td"
438 //===----------------------------------------------------------------------===//
439 // Multiclass helpers...
442 /// AsI1_bin_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns for a
443 /// binop that produces a value.
444 multiclass AsI1_bin_irs<bits<4> opcod, string opc, PatFrag opnode,
445 bit Commutable = 0> {
446 def ri : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
447 IIC_iALUi, opc, "\t$dst, $a, $b",
448 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]> {
451 def rr : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
452 IIC_iALUr, opc, "\t$dst, $a, $b",
453 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]> {
454 let Inst{11-4} = 0b00000000;
456 let isCommutable = Commutable;
458 def rs : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
459 IIC_iALUsr, opc, "\t$dst, $a, $b",
460 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]> {
465 /// AI1_bin_s_irs - Similar to AsI1_bin_irs except it sets the 's' bit so the
466 /// instruction modifies the CPSR register.
467 let Defs = [CPSR] in {
468 multiclass AI1_bin_s_irs<bits<4> opcod, string opc, PatFrag opnode,
469 bit Commutable = 0> {
470 def ri : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
471 IIC_iALUi, opc, "\t$dst, $a, $b",
472 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]> {
476 def rr : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
477 IIC_iALUr, opc, "\t$dst, $a, $b",
478 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]> {
479 let isCommutable = Commutable;
480 let Inst{11-4} = 0b00000000;
484 def rs : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
485 IIC_iALUsr, opc, "\t$dst, $a, $b",
486 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]> {
493 /// AI1_cmp_irs - Defines a set of (op r, {so_imm|r|so_reg}) cmp / test
494 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
495 /// a explicit result, only implicitly set CPSR.
496 let Defs = [CPSR] in {
497 multiclass AI1_cmp_irs<bits<4> opcod, string opc, PatFrag opnode,
498 bit Commutable = 0> {
499 def ri : AI1<opcod, (outs), (ins GPR:$a, so_imm:$b), DPFrm, IIC_iCMPi,
501 [(opnode GPR:$a, so_imm:$b)]> {
505 def rr : AI1<opcod, (outs), (ins GPR:$a, GPR:$b), DPFrm, IIC_iCMPr,
507 [(opnode GPR:$a, GPR:$b)]> {
508 let Inst{11-4} = 0b00000000;
511 let isCommutable = Commutable;
513 def rs : AI1<opcod, (outs), (ins GPR:$a, so_reg:$b), DPSoRegFrm, IIC_iCMPsr,
515 [(opnode GPR:$a, so_reg:$b)]> {
522 /// AI_unary_rrot - A unary operation with two forms: one whose operand is a
523 /// register and one whose operand is a register rotated by 8/16/24.
524 /// FIXME: Remove the 'r' variant. Its rot_imm is zero.
525 multiclass AI_unary_rrot<bits<8> opcod, string opc, PatFrag opnode> {
526 def r : AExtI<opcod, (outs GPR:$dst), (ins GPR:$src),
527 IIC_iUNAr, opc, "\t$dst, $src",
528 [(set GPR:$dst, (opnode GPR:$src))]>,
529 Requires<[IsARM, HasV6]> {
530 let Inst{11-10} = 0b00;
531 let Inst{19-16} = 0b1111;
533 def r_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$src, i32imm:$rot),
534 IIC_iUNAsi, opc, "\t$dst, $src, ror $rot",
535 [(set GPR:$dst, (opnode (rotr GPR:$src, rot_imm:$rot)))]>,
536 Requires<[IsARM, HasV6]> {
537 let Inst{19-16} = 0b1111;
541 multiclass AI_unary_rrot_np<bits<8> opcod, string opc> {
542 def r : AExtI<opcod, (outs GPR:$dst), (ins GPR:$src),
543 IIC_iUNAr, opc, "\t$dst, $src",
544 [/* For disassembly only; pattern left blank */]>,
545 Requires<[IsARM, HasV6]> {
546 let Inst{11-10} = 0b00;
547 let Inst{19-16} = 0b1111;
549 def r_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$src, i32imm:$rot),
550 IIC_iUNAsi, opc, "\t$dst, $src, ror $rot",
551 [/* For disassembly only; pattern left blank */]>,
552 Requires<[IsARM, HasV6]> {
553 let Inst{19-16} = 0b1111;
557 /// AI_bin_rrot - A binary operation with two forms: one whose operand is a
558 /// register and one whose operand is a register rotated by 8/16/24.
559 multiclass AI_bin_rrot<bits<8> opcod, string opc, PatFrag opnode> {
560 def rr : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS),
561 IIC_iALUr, opc, "\t$dst, $LHS, $RHS",
562 [(set GPR:$dst, (opnode GPR:$LHS, GPR:$RHS))]>,
563 Requires<[IsARM, HasV6]> {
564 let Inst{11-10} = 0b00;
566 def rr_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS,
568 IIC_iALUsi, opc, "\t$dst, $LHS, $RHS, ror $rot",
569 [(set GPR:$dst, (opnode GPR:$LHS,
570 (rotr GPR:$RHS, rot_imm:$rot)))]>,
571 Requires<[IsARM, HasV6]>;
574 // For disassembly only.
575 multiclass AI_bin_rrot_np<bits<8> opcod, string opc> {
576 def rr : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS),
577 IIC_iALUr, opc, "\t$dst, $LHS, $RHS",
578 [/* For disassembly only; pattern left blank */]>,
579 Requires<[IsARM, HasV6]> {
580 let Inst{11-10} = 0b00;
582 def rr_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS,
584 IIC_iALUsi, opc, "\t$dst, $LHS, $RHS, ror $rot",
585 [/* For disassembly only; pattern left blank */]>,
586 Requires<[IsARM, HasV6]>;
589 /// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
590 let Uses = [CPSR] in {
591 multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode,
592 bit Commutable = 0> {
593 def ri : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
594 DPFrm, IIC_iALUi, opc, "\t$dst, $a, $b",
595 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]>,
599 def rr : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
600 DPFrm, IIC_iALUr, opc, "\t$dst, $a, $b",
601 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]>,
603 let isCommutable = Commutable;
604 let Inst{11-4} = 0b00000000;
607 def rs : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
608 DPSoRegFrm, IIC_iALUsr, opc, "\t$dst, $a, $b",
609 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]>,
614 // Carry setting variants
615 let Defs = [CPSR] in {
616 multiclass AI1_adde_sube_s_irs<bits<4> opcod, string opc, PatFrag opnode,
617 bit Commutable = 0> {
618 def Sri : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
619 DPFrm, IIC_iALUi, !strconcat(opc, "\t$dst, $a, $b"),
620 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]>,
625 def Srr : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
626 DPFrm, IIC_iALUr, !strconcat(opc, "\t$dst, $a, $b"),
627 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]>,
629 let Inst{11-4} = 0b00000000;
633 def Srs : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
634 DPSoRegFrm, IIC_iALUsr, !strconcat(opc, "\t$dst, $a, $b"),
635 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]>,
644 //===----------------------------------------------------------------------===//
646 //===----------------------------------------------------------------------===//
648 //===----------------------------------------------------------------------===//
649 // Miscellaneous Instructions.
652 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
653 /// the function. The first operand is the ID# for this instruction, the second
654 /// is the index into the MachineConstantPool that this is, the third is the
655 /// size in bytes of this constant pool entry.
656 let neverHasSideEffects = 1, isNotDuplicable = 1 in
657 def CONSTPOOL_ENTRY :
658 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
659 i32imm:$size), NoItinerary,
660 "${instid:label} ${cpidx:cpentry}", []>;
662 // FIXME: Marking these as hasSideEffects is necessary to prevent machine DCE
663 // from removing one half of the matched pairs. That breaks PEI, which assumes
664 // these will always be in pairs, and asserts if it finds otherwise. Better way?
665 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
667 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary,
668 "${:comment} ADJCALLSTACKUP $amt1",
669 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
671 def ADJCALLSTACKDOWN :
672 PseudoInst<(outs), (ins i32imm:$amt, pred:$p), NoItinerary,
673 "${:comment} ADJCALLSTACKDOWN $amt",
674 [(ARMcallseq_start timm:$amt)]>;
677 def NOP : AI<(outs), (ins), MiscFrm, NoItinerary, "nop", "",
678 [/* For disassembly only; pattern left blank */]>,
679 Requires<[IsARM, HasV6T2]> {
680 let Inst{27-16} = 0b001100100000;
681 let Inst{7-0} = 0b00000000;
684 def YIELD : AI<(outs), (ins), MiscFrm, NoItinerary, "yield", "",
685 [/* For disassembly only; pattern left blank */]>,
686 Requires<[IsARM, HasV6T2]> {
687 let Inst{27-16} = 0b001100100000;
688 let Inst{7-0} = 0b00000001;
691 def WFE : AI<(outs), (ins), MiscFrm, NoItinerary, "wfe", "",
692 [/* For disassembly only; pattern left blank */]>,
693 Requires<[IsARM, HasV6T2]> {
694 let Inst{27-16} = 0b001100100000;
695 let Inst{7-0} = 0b00000010;
698 def WFI : AI<(outs), (ins), MiscFrm, NoItinerary, "wfi", "",
699 [/* For disassembly only; pattern left blank */]>,
700 Requires<[IsARM, HasV6T2]> {
701 let Inst{27-16} = 0b001100100000;
702 let Inst{7-0} = 0b00000011;
705 def SEL : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm, NoItinerary, "sel",
707 [/* For disassembly only; pattern left blank */]>,
708 Requires<[IsARM, HasV6]> {
709 let Inst{27-20} = 0b01101000;
710 let Inst{7-4} = 0b1011;
713 def SEV : AI<(outs), (ins), MiscFrm, NoItinerary, "sev", "",
714 [/* For disassembly only; pattern left blank */]>,
715 Requires<[IsARM, HasV6T2]> {
716 let Inst{27-16} = 0b001100100000;
717 let Inst{7-0} = 0b00000100;
720 // The i32imm operand $val can be used by a debugger to store more information
721 // about the breakpoint.
722 def BKPT : AI<(outs), (ins i32imm:$val), MiscFrm, NoItinerary, "bkpt", "\t$val",
723 [/* For disassembly only; pattern left blank */]>,
725 let Inst{27-20} = 0b00010010;
726 let Inst{7-4} = 0b0111;
729 // Change Processor State is a system instruction -- for disassembly only.
730 // The singleton $opt operand contains the following information:
731 // opt{4-0} = mode from Inst{4-0}
732 // opt{5} = changemode from Inst{17}
733 // opt{8-6} = AIF from Inst{8-6}
734 // opt{10-9} = imod from Inst{19-18} with 0b10 as enable and 0b11 as disable
735 def CPS : AXI<(outs), (ins cps_opt:$opt), MiscFrm, NoItinerary, "cps$opt",
736 [/* For disassembly only; pattern left blank */]>,
738 let Inst{31-28} = 0b1111;
739 let Inst{27-20} = 0b00010000;
744 // Preload signals the memory system of possible future data/instruction access.
745 // These are for disassembly only.
747 // A8.6.117, A8.6.118. Different instructions are generated for #0 and #-0.
748 // The neg_zero operand translates -0 to -1, -1 to -2, ..., etc.
749 multiclass APreLoad<bit data, bit read, string opc> {
751 def i : AXI<(outs), (ins GPR:$base, neg_zero:$imm), MiscFrm, NoItinerary,
752 !strconcat(opc, "\t[$base, $imm]"), []> {
753 let Inst{31-26} = 0b111101;
754 let Inst{25} = 0; // 0 for immediate form
757 let Inst{21-20} = 0b01;
760 def r : AXI<(outs), (ins addrmode2:$addr), MiscFrm, NoItinerary,
761 !strconcat(opc, "\t$addr"), []> {
762 let Inst{31-26} = 0b111101;
763 let Inst{25} = 1; // 1 for register form
766 let Inst{21-20} = 0b01;
771 defm PLD : APreLoad<1, 1, "pld">;
772 defm PLDW : APreLoad<1, 0, "pldw">;
773 defm PLI : APreLoad<0, 1, "pli">;
775 def SETENDBE : AXI<(outs),(ins), MiscFrm, NoItinerary, "setend\tbe",
776 [/* For disassembly only; pattern left blank */]>,
778 let Inst{31-28} = 0b1111;
779 let Inst{27-20} = 0b00010000;
782 let Inst{7-4} = 0b0000;
785 def SETENDLE : AXI<(outs),(ins), MiscFrm, NoItinerary, "setend\tle",
786 [/* For disassembly only; pattern left blank */]>,
788 let Inst{31-28} = 0b1111;
789 let Inst{27-20} = 0b00010000;
792 let Inst{7-4} = 0b0000;
795 def DBG : AI<(outs), (ins i32imm:$opt), MiscFrm, NoItinerary, "dbg", "\t$opt",
796 [/* For disassembly only; pattern left blank */]>,
797 Requires<[IsARM, HasV7]> {
798 let Inst{27-16} = 0b001100100000;
799 let Inst{7-4} = 0b1111;
802 // A5.4 Permanently UNDEFINED instructions.
803 // FIXME: Temporary emitted as raw bytes until this pseudo-op will be added to
805 let isBarrier = 1, isTerminator = 1 in
806 def TRAP : AXI<(outs), (ins), MiscFrm, NoItinerary,
807 ".long 0xe7ffdefe ${:comment} trap", [(trap)]>,
809 let Inst{27-25} = 0b011;
810 let Inst{24-20} = 0b11111;
811 let Inst{7-5} = 0b111;
815 // Address computation and loads and stores in PIC mode.
816 let isNotDuplicable = 1 in {
817 def PICADD : AXI1<0b0100, (outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
818 Pseudo, IIC_iALUr, "\n$cp:\n\tadd$p\t$dst, pc, $a",
819 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
821 let AddedComplexity = 10 in {
822 def PICLDR : AXI2ldw<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
823 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldr$p\t$dst, $addr",
824 [(set GPR:$dst, (load addrmodepc:$addr))]>;
826 def PICLDRH : AXI3ldh<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
827 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldrh${p}\t$dst, $addr",
828 [(set GPR:$dst, (zextloadi16 addrmodepc:$addr))]>;
830 def PICLDRB : AXI2ldb<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
831 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldrb${p}\t$dst, $addr",
832 [(set GPR:$dst, (zextloadi8 addrmodepc:$addr))]>;
834 def PICLDRSH : AXI3ldsh<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
835 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldrsh${p}\t$dst, $addr",
836 [(set GPR:$dst, (sextloadi16 addrmodepc:$addr))]>;
838 def PICLDRSB : AXI3ldsb<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
839 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldrsb${p}\t$dst, $addr",
840 [(set GPR:$dst, (sextloadi8 addrmodepc:$addr))]>;
842 let AddedComplexity = 10 in {
843 def PICSTR : AXI2stw<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
844 Pseudo, IIC_iStorer, "\n${addr:label}:\n\tstr$p\t$src, $addr",
845 [(store GPR:$src, addrmodepc:$addr)]>;
847 def PICSTRH : AXI3sth<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
848 Pseudo, IIC_iStorer, "\n${addr:label}:\n\tstrh${p}\t$src, $addr",
849 [(truncstorei16 GPR:$src, addrmodepc:$addr)]>;
851 def PICSTRB : AXI2stb<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
852 Pseudo, IIC_iStorer, "\n${addr:label}:\n\tstrb${p}\t$src, $addr",
853 [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
855 } // isNotDuplicable = 1
858 // LEApcrel - Load a pc-relative address into a register without offending the
860 let neverHasSideEffects = 1 in {
861 let isReMaterializable = 1 in
862 def LEApcrel : AXI1<0x0, (outs GPR:$dst), (ins i32imm:$label, pred:$p),
864 "adr$p\t$dst, #$label", []>;
866 def LEApcrelJT : AXI1<0x0, (outs GPR:$dst),
867 (ins i32imm:$label, nohash_imm:$id, pred:$p),
869 "adr$p\t$dst, #${label}_${id}", []> {
872 } // neverHasSideEffects
874 //===----------------------------------------------------------------------===//
875 // Control Flow Instructions.
878 let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
880 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
881 "bx", "\tlr", [(ARMretflag)]>,
882 Requires<[IsARM, HasV4T]> {
883 let Inst{3-0} = 0b1110;
884 let Inst{7-4} = 0b0001;
885 let Inst{19-8} = 0b111111111111;
886 let Inst{27-20} = 0b00010010;
890 def MOVPCLR : AI<(outs), (ins), BrMiscFrm, IIC_Br,
891 "mov", "\tpc, lr", [(ARMretflag)]>,
892 Requires<[IsARM, NoV4T]> {
893 let Inst{11-0} = 0b000000001110;
894 let Inst{15-12} = 0b1111;
895 let Inst{19-16} = 0b0000;
896 let Inst{27-20} = 0b00011010;
901 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
903 def BRIND : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
905 Requires<[IsARM, HasV4T]> {
906 let Inst{7-4} = 0b0001;
907 let Inst{19-8} = 0b111111111111;
908 let Inst{27-20} = 0b00010010;
909 let Inst{31-28} = 0b1110;
913 def MOVPCRX : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "mov\tpc, $dst",
915 Requires<[IsARM, NoV4T]> {
916 let Inst{11-4} = 0b00000000;
917 let Inst{15-12} = 0b1111;
918 let Inst{19-16} = 0b0000;
919 let Inst{27-20} = 0b00011010;
920 let Inst{31-28} = 0b1110;
924 // FIXME: remove when we have a way to marking a MI with these properties.
925 // FIXME: Should pc be an implicit operand like PICADD, etc?
926 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
927 hasExtraDefRegAllocReq = 1 in
928 def LDM_RET : AXI4ld<(outs GPR:$wb), (ins addrmode4:$addr, pred:$p,
929 reglist:$dsts, variable_ops),
930 IndexModeUpd, LdStMulFrm, IIC_Br,
931 "ldm${addr:submode}${p}\t$addr!, $dsts",
932 "$addr.addr = $wb", []>;
934 // On non-Darwin platforms R9 is callee-saved.
936 Defs = [R0, R1, R2, R3, R12, LR,
937 D0, D1, D2, D3, D4, D5, D6, D7,
938 D16, D17, D18, D19, D20, D21, D22, D23,
939 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR] in {
940 def BL : ABXI<0b1011, (outs), (ins i32imm:$func, variable_ops),
941 IIC_Br, "bl\t${func:call}",
942 [(ARMcall tglobaladdr:$func)]>,
943 Requires<[IsARM, IsNotDarwin]> {
944 let Inst{31-28} = 0b1110;
947 def BL_pred : ABI<0b1011, (outs), (ins i32imm:$func, variable_ops),
948 IIC_Br, "bl", "\t${func:call}",
949 [(ARMcall_pred tglobaladdr:$func)]>,
950 Requires<[IsARM, IsNotDarwin]>;
953 def BLX : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
954 IIC_Br, "blx\t$func",
955 [(ARMcall GPR:$func)]>,
956 Requires<[IsARM, HasV5T, IsNotDarwin]> {
957 let Inst{7-4} = 0b0011;
958 let Inst{19-8} = 0b111111111111;
959 let Inst{27-20} = 0b00010010;
963 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
964 def BX : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
965 IIC_Br, "mov\tlr, pc\n\tbx\t$func",
966 [(ARMcall_nolink tGPR:$func)]>,
967 Requires<[IsARM, HasV4T, IsNotDarwin]> {
968 let Inst{7-4} = 0b0001;
969 let Inst{19-8} = 0b111111111111;
970 let Inst{27-20} = 0b00010010;
974 def BMOVPCRX : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
975 IIC_Br, "mov\tlr, pc\n\tmov\tpc, $func",
976 [(ARMcall_nolink tGPR:$func)]>,
977 Requires<[IsARM, NoV4T, IsNotDarwin]> {
978 let Inst{11-4} = 0b00000000;
979 let Inst{15-12} = 0b1111;
980 let Inst{19-16} = 0b0000;
981 let Inst{27-20} = 0b00011010;
985 // On Darwin R9 is call-clobbered.
987 Defs = [R0, R1, R2, R3, R9, R12, LR,
988 D0, D1, D2, D3, D4, D5, D6, D7,
989 D16, D17, D18, D19, D20, D21, D22, D23,
990 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR] in {
991 def BLr9 : ABXI<0b1011, (outs), (ins i32imm:$func, variable_ops),
992 IIC_Br, "bl\t${func:call}",
993 [(ARMcall tglobaladdr:$func)]>, Requires<[IsARM, IsDarwin]> {
994 let Inst{31-28} = 0b1110;
997 def BLr9_pred : ABI<0b1011, (outs), (ins i32imm:$func, variable_ops),
998 IIC_Br, "bl", "\t${func:call}",
999 [(ARMcall_pred tglobaladdr:$func)]>,
1000 Requires<[IsARM, IsDarwin]>;
1003 def BLXr9 : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1004 IIC_Br, "blx\t$func",
1005 [(ARMcall GPR:$func)]>, Requires<[IsARM, HasV5T, IsDarwin]> {
1006 let Inst{7-4} = 0b0011;
1007 let Inst{19-8} = 0b111111111111;
1008 let Inst{27-20} = 0b00010010;
1012 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1013 def BXr9 : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1014 IIC_Br, "mov\tlr, pc\n\tbx\t$func",
1015 [(ARMcall_nolink tGPR:$func)]>,
1016 Requires<[IsARM, HasV4T, IsDarwin]> {
1017 let Inst{7-4} = 0b0001;
1018 let Inst{19-8} = 0b111111111111;
1019 let Inst{27-20} = 0b00010010;
1023 def BMOVPCRXr9 : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1024 IIC_Br, "mov\tlr, pc\n\tmov\tpc, $func",
1025 [(ARMcall_nolink tGPR:$func)]>,
1026 Requires<[IsARM, NoV4T, IsDarwin]> {
1027 let Inst{11-4} = 0b00000000;
1028 let Inst{15-12} = 0b1111;
1029 let Inst{19-16} = 0b0000;
1030 let Inst{27-20} = 0b00011010;
1036 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in {
1038 let Defs = [R0, R1, R2, R3, R9, R12,
1039 D0, D1, D2, D3, D4, D5, D6, D7,
1040 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26,
1041 D27, D28, D29, D30, D31, PC],
1043 def TCRETURNdi : AInoP<(outs), (ins i32imm:$dst, variable_ops),
1045 "@TC_RETURN","\t$dst", []>, Requires<[IsDarwin]>;
1047 def TCRETURNri : AInoP<(outs), (ins tGPR:$dst, variable_ops),
1049 "@TC_RETURN","\t$dst", []>, Requires<[IsDarwin]>;
1051 def TAILJMPd : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1052 IIC_Br, "b\t$dst @ TAILCALL",
1053 []>, Requires<[IsDarwin]>;
1055 def TAILJMPr : AXI<(outs), (ins tGPR:$dst, variable_ops),
1056 BrMiscFrm, IIC_Br, "bx\t$dst @ TAILCALL",
1057 []>, Requires<[IsDarwin]> {
1058 let Inst{7-4} = 0b0001;
1059 let Inst{19-8} = 0b111111111111;
1060 let Inst{27-20} = 0b00010010;
1061 let Inst{31-28} = 0b1110;
1064 // FIXME: This is a hack so that MCInst lowering can preserve the TAILCALL
1065 // marker on instructions, while still being able to relax.
1066 // let isCodeGenOnly = 1 in {
1067 // def TAILJMP_1 : Ii8PCRel<0xEB, RawFrm, (outs), (ins brtarget8:$dst),
1068 // "jmp\t$dst @ TAILCALL", []>,
1069 // Requires<[IsARM, IsDarwin]>;
1072 // Non-Darwin versions (the difference is R9).
1073 let Defs = [R0, R1, R2, R3, R12,
1074 D0, D1, D2, D3, D4, D5, D6, D7,
1075 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26,
1076 D27, D28, D29, D30, D31, PC],
1078 def TCRETURNdiND : AInoP<(outs), (ins i32imm:$dst, variable_ops),
1080 "@TC_RETURN","\t$dst", []>, Requires<[IsNotDarwin]>;
1082 def TCRETURNriND : AInoP<(outs), (ins tGPR:$dst, variable_ops),
1084 "@TC_RETURN","\t$dst", []>, Requires<[IsNotDarwin]>;
1086 def TAILJMPdND : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1087 IIC_Br, "b\t$dst @ TAILCALL",
1088 []>, Requires<[IsNotDarwin]>;
1090 def TAILJMPrND : AXI<(outs), (ins tGPR:$dst, variable_ops),
1091 BrMiscFrm, IIC_Br, "bx\t$dst @ TAILCALL",
1092 []>, Requires<[IsNotDarwin]> {
1093 let Inst{7-4} = 0b0001;
1094 let Inst{19-8} = 0b111111111111;
1095 let Inst{27-20} = 0b00010010;
1096 let Inst{31-28} = 0b1110;
1099 // FIXME: This is a hack so that MCInst lowering can preserve the TAILCALL
1100 // marker on instructions, while still being able to relax.
1101 // let isCodeGenOnly = 1 in {
1102 // def TAILJMP_1ND : Ii8PCRel<0xEB, RawFrm, (outs), (ins brtarget8:$dst),
1103 // "jmp\t$dst @ TAILCALL", []>,
1104 // Requires<[IsARM, IsNotDarwin]>;
1108 let isBranch = 1, isTerminator = 1 in {
1109 // B is "predicable" since it can be xformed into a Bcc.
1110 let isBarrier = 1 in {
1111 let isPredicable = 1 in
1112 def B : ABXI<0b1010, (outs), (ins brtarget:$target), IIC_Br,
1113 "b\t$target", [(br bb:$target)]>;
1115 let isNotDuplicable = 1, isIndirectBranch = 1 in {
1116 def BR_JTr : JTI<(outs), (ins GPR:$target, jtblock_operand:$jt, i32imm:$id),
1117 IIC_Br, "mov\tpc, $target \n$jt",
1118 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]> {
1119 let Inst{11-4} = 0b00000000;
1120 let Inst{15-12} = 0b1111;
1121 let Inst{20} = 0; // S Bit
1122 let Inst{24-21} = 0b1101;
1123 let Inst{27-25} = 0b000;
1125 def BR_JTm : JTI<(outs),
1126 (ins addrmode2:$target, jtblock_operand:$jt, i32imm:$id),
1127 IIC_Br, "ldr\tpc, $target \n$jt",
1128 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
1130 let Inst{15-12} = 0b1111;
1131 let Inst{20} = 1; // L bit
1132 let Inst{21} = 0; // W bit
1133 let Inst{22} = 0; // B bit
1134 let Inst{24} = 1; // P bit
1135 let Inst{27-25} = 0b011;
1137 def BR_JTadd : JTI<(outs),
1138 (ins GPR:$target, GPR:$idx, jtblock_operand:$jt, i32imm:$id),
1139 IIC_Br, "add\tpc, $target, $idx \n$jt",
1140 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
1142 let Inst{15-12} = 0b1111;
1143 let Inst{20} = 0; // S bit
1144 let Inst{24-21} = 0b0100;
1145 let Inst{27-25} = 0b000;
1147 } // isNotDuplicable = 1, isIndirectBranch = 1
1150 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
1151 // a two-value operand where a dag node expects two operands. :(
1152 def Bcc : ABI<0b1010, (outs), (ins brtarget:$target),
1153 IIC_Br, "b", "\t$target",
1154 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]>;
1157 // Branch and Exchange Jazelle -- for disassembly only
1158 def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
1159 [/* For disassembly only; pattern left blank */]> {
1160 let Inst{23-20} = 0b0010;
1161 //let Inst{19-8} = 0xfff;
1162 let Inst{7-4} = 0b0010;
1165 // Secure Monitor Call is a system instruction -- for disassembly only
1166 def SMC : ABI<0b0001, (outs), (ins i32imm:$opt), NoItinerary, "smc", "\t$opt",
1167 [/* For disassembly only; pattern left blank */]> {
1168 let Inst{23-20} = 0b0110;
1169 let Inst{7-4} = 0b0111;
1172 // Supervisor Call (Software Interrupt) -- for disassembly only
1174 def SVC : ABI<0b1111, (outs), (ins i32imm:$svc), IIC_Br, "svc", "\t$svc",
1175 [/* For disassembly only; pattern left blank */]>;
1178 // Store Return State is a system instruction -- for disassembly only
1179 def SRSW : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, i32imm:$mode),
1180 NoItinerary, "srs${addr:submode}\tsp!, $mode",
1181 [/* For disassembly only; pattern left blank */]> {
1182 let Inst{31-28} = 0b1111;
1183 let Inst{22-20} = 0b110; // W = 1
1186 def SRS : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, i32imm:$mode),
1187 NoItinerary, "srs${addr:submode}\tsp, $mode",
1188 [/* For disassembly only; pattern left blank */]> {
1189 let Inst{31-28} = 0b1111;
1190 let Inst{22-20} = 0b100; // W = 0
1193 // Return From Exception is a system instruction -- for disassembly only
1194 def RFEW : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, GPR:$base),
1195 NoItinerary, "rfe${addr:submode}\t$base!",
1196 [/* For disassembly only; pattern left blank */]> {
1197 let Inst{31-28} = 0b1111;
1198 let Inst{22-20} = 0b011; // W = 1
1201 def RFE : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, GPR:$base),
1202 NoItinerary, "rfe${addr:submode}\t$base",
1203 [/* For disassembly only; pattern left blank */]> {
1204 let Inst{31-28} = 0b1111;
1205 let Inst{22-20} = 0b001; // W = 0
1208 //===----------------------------------------------------------------------===//
1209 // Load / store Instructions.
1213 let canFoldAsLoad = 1, isReMaterializable = 1 in
1214 def LDR : AI2ldw<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm, IIC_iLoadr,
1215 "ldr", "\t$dst, $addr",
1216 [(set GPR:$dst, (load addrmode2:$addr))]>;
1218 // Special LDR for loads from non-pc-relative constpools.
1219 let canFoldAsLoad = 1, mayLoad = 1, neverHasSideEffects = 1,
1220 isReMaterializable = 1 in
1221 def LDRcp : AI2ldw<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm, IIC_iLoadr,
1222 "ldr", "\t$dst, $addr", []>;
1224 // Loads with zero extension
1225 def LDRH : AI3ldh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
1226 IIC_iLoadr, "ldrh", "\t$dst, $addr",
1227 [(set GPR:$dst, (zextloadi16 addrmode3:$addr))]>;
1229 def LDRB : AI2ldb<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm,
1230 IIC_iLoadr, "ldrb", "\t$dst, $addr",
1231 [(set GPR:$dst, (zextloadi8 addrmode2:$addr))]>;
1233 // Loads with sign extension
1234 def LDRSH : AI3ldsh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
1235 IIC_iLoadr, "ldrsh", "\t$dst, $addr",
1236 [(set GPR:$dst, (sextloadi16 addrmode3:$addr))]>;
1238 def LDRSB : AI3ldsb<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
1239 IIC_iLoadr, "ldrsb", "\t$dst, $addr",
1240 [(set GPR:$dst, (sextloadi8 addrmode3:$addr))]>;
1242 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1 in {
1244 def LDRD : AI3ldd<(outs GPR:$dst1, GPR:$dst2), (ins addrmode3:$addr), LdMiscFrm,
1245 IIC_iLoadr, "ldrd", "\t$dst1, $addr",
1246 []>, Requires<[IsARM, HasV5TE]>;
1249 def LDR_PRE : AI2ldwpr<(outs GPR:$dst, GPR:$base_wb),
1250 (ins addrmode2:$addr), LdFrm, IIC_iLoadru,
1251 "ldr", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1253 def LDR_POST : AI2ldwpo<(outs GPR:$dst, GPR:$base_wb),
1254 (ins GPR:$base, am2offset:$offset), LdFrm, IIC_iLoadru,
1255 "ldr", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1257 def LDRH_PRE : AI3ldhpr<(outs GPR:$dst, GPR:$base_wb),
1258 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadru,
1259 "ldrh", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1261 def LDRH_POST : AI3ldhpo<(outs GPR:$dst, GPR:$base_wb),
1262 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1263 "ldrh", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1265 def LDRB_PRE : AI2ldbpr<(outs GPR:$dst, GPR:$base_wb),
1266 (ins addrmode2:$addr), LdFrm, IIC_iLoadru,
1267 "ldrb", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1269 def LDRB_POST : AI2ldbpo<(outs GPR:$dst, GPR:$base_wb),
1270 (ins GPR:$base,am2offset:$offset), LdFrm, IIC_iLoadru,
1271 "ldrb", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1273 def LDRSH_PRE : AI3ldshpr<(outs GPR:$dst, GPR:$base_wb),
1274 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadru,
1275 "ldrsh", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1277 def LDRSH_POST: AI3ldshpo<(outs GPR:$dst, GPR:$base_wb),
1278 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1279 "ldrsh", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1281 def LDRSB_PRE : AI3ldsbpr<(outs GPR:$dst, GPR:$base_wb),
1282 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadru,
1283 "ldrsb", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1285 def LDRSB_POST: AI3ldsbpo<(outs GPR:$dst, GPR:$base_wb),
1286 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1287 "ldrsb", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1289 // For disassembly only
1290 def LDRD_PRE : AI3lddpr<(outs GPR:$dst1, GPR:$dst2, GPR:$base_wb),
1291 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadr,
1292 "ldrd", "\t$dst1, $dst2, $addr!", "$addr.base = $base_wb", []>,
1293 Requires<[IsARM, HasV5TE]>;
1295 // For disassembly only
1296 def LDRD_POST : AI3lddpo<(outs GPR:$dst1, GPR:$dst2, GPR:$base_wb),
1297 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadr,
1298 "ldrd", "\t$dst1, $dst2, [$base], $offset", "$base = $base_wb", []>,
1299 Requires<[IsARM, HasV5TE]>;
1301 } // mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1
1303 // LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT are for disassembly only.
1305 def LDRT : AI2ldwpo<(outs GPR:$dst, GPR:$base_wb),
1306 (ins GPR:$base, am2offset:$offset), LdFrm, IIC_iLoadru,
1307 "ldrt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1308 let Inst{21} = 1; // overwrite
1311 def LDRBT : AI2ldbpo<(outs GPR:$dst, GPR:$base_wb),
1312 (ins GPR:$base,am2offset:$offset), LdFrm, IIC_iLoadru,
1313 "ldrbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1314 let Inst{21} = 1; // overwrite
1317 def LDRSBT : AI3ldsbpo<(outs GPR:$dst, GPR:$base_wb),
1318 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1319 "ldrsbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1320 let Inst{21} = 1; // overwrite
1323 def LDRHT : AI3ldhpo<(outs GPR:$dst, GPR:$base_wb),
1324 (ins GPR:$base, am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1325 "ldrht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1326 let Inst{21} = 1; // overwrite
1329 def LDRSHT : AI3ldshpo<(outs GPR:$dst, GPR:$base_wb),
1330 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1331 "ldrsht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1332 let Inst{21} = 1; // overwrite
1336 def STR : AI2stw<(outs), (ins GPR:$src, addrmode2:$addr), StFrm, IIC_iStorer,
1337 "str", "\t$src, $addr",
1338 [(store GPR:$src, addrmode2:$addr)]>;
1340 // Stores with truncate
1341 def STRH : AI3sth<(outs), (ins GPR:$src, addrmode3:$addr), StMiscFrm,
1342 IIC_iStorer, "strh", "\t$src, $addr",
1343 [(truncstorei16 GPR:$src, addrmode3:$addr)]>;
1345 def STRB : AI2stb<(outs), (ins GPR:$src, addrmode2:$addr), StFrm, IIC_iStorer,
1346 "strb", "\t$src, $addr",
1347 [(truncstorei8 GPR:$src, addrmode2:$addr)]>;
1350 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in
1351 def STRD : AI3std<(outs), (ins GPR:$src1, GPR:$src2, addrmode3:$addr),
1352 StMiscFrm, IIC_iStorer,
1353 "strd", "\t$src1, $addr", []>, Requires<[IsARM, HasV5TE]>;
1356 def STR_PRE : AI2stwpr<(outs GPR:$base_wb),
1357 (ins GPR:$src, GPR:$base, am2offset:$offset),
1358 StFrm, IIC_iStoreru,
1359 "str", "\t$src, [$base, $offset]!", "$base = $base_wb",
1361 (pre_store GPR:$src, GPR:$base, am2offset:$offset))]>;
1363 def STR_POST : AI2stwpo<(outs GPR:$base_wb),
1364 (ins GPR:$src, GPR:$base,am2offset:$offset),
1365 StFrm, IIC_iStoreru,
1366 "str", "\t$src, [$base], $offset", "$base = $base_wb",
1368 (post_store GPR:$src, GPR:$base, am2offset:$offset))]>;
1370 def STRH_PRE : AI3sthpr<(outs GPR:$base_wb),
1371 (ins GPR:$src, GPR:$base,am3offset:$offset),
1372 StMiscFrm, IIC_iStoreru,
1373 "strh", "\t$src, [$base, $offset]!", "$base = $base_wb",
1375 (pre_truncsti16 GPR:$src, GPR:$base,am3offset:$offset))]>;
1377 def STRH_POST: AI3sthpo<(outs GPR:$base_wb),
1378 (ins GPR:$src, GPR:$base,am3offset:$offset),
1379 StMiscFrm, IIC_iStoreru,
1380 "strh", "\t$src, [$base], $offset", "$base = $base_wb",
1381 [(set GPR:$base_wb, (post_truncsti16 GPR:$src,
1382 GPR:$base, am3offset:$offset))]>;
1384 def STRB_PRE : AI2stbpr<(outs GPR:$base_wb),
1385 (ins GPR:$src, GPR:$base,am2offset:$offset),
1386 StFrm, IIC_iStoreru,
1387 "strb", "\t$src, [$base, $offset]!", "$base = $base_wb",
1388 [(set GPR:$base_wb, (pre_truncsti8 GPR:$src,
1389 GPR:$base, am2offset:$offset))]>;
1391 def STRB_POST: AI2stbpo<(outs GPR:$base_wb),
1392 (ins GPR:$src, GPR:$base,am2offset:$offset),
1393 StFrm, IIC_iStoreru,
1394 "strb", "\t$src, [$base], $offset", "$base = $base_wb",
1395 [(set GPR:$base_wb, (post_truncsti8 GPR:$src,
1396 GPR:$base, am2offset:$offset))]>;
1398 // For disassembly only
1399 def STRD_PRE : AI3stdpr<(outs GPR:$base_wb),
1400 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1401 StMiscFrm, IIC_iStoreru,
1402 "strd", "\t$src1, $src2, [$base, $offset]!",
1403 "$base = $base_wb", []>;
1405 // For disassembly only
1406 def STRD_POST: AI3stdpo<(outs GPR:$base_wb),
1407 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1408 StMiscFrm, IIC_iStoreru,
1409 "strd", "\t$src1, $src2, [$base], $offset",
1410 "$base = $base_wb", []>;
1412 // STRT, STRBT, and STRHT are for disassembly only.
1414 def STRT : AI2stwpo<(outs GPR:$base_wb),
1415 (ins GPR:$src, GPR:$base,am2offset:$offset),
1416 StFrm, IIC_iStoreru,
1417 "strt", "\t$src, [$base], $offset", "$base = $base_wb",
1418 [/* For disassembly only; pattern left blank */]> {
1419 let Inst{21} = 1; // overwrite
1422 def STRBT : AI2stbpo<(outs GPR:$base_wb),
1423 (ins GPR:$src, GPR:$base,am2offset:$offset),
1424 StFrm, IIC_iStoreru,
1425 "strbt", "\t$src, [$base], $offset", "$base = $base_wb",
1426 [/* For disassembly only; pattern left blank */]> {
1427 let Inst{21} = 1; // overwrite
1430 def STRHT: AI3sthpo<(outs GPR:$base_wb),
1431 (ins GPR:$src, GPR:$base,am3offset:$offset),
1432 StMiscFrm, IIC_iStoreru,
1433 "strht", "\t$src, [$base], $offset", "$base = $base_wb",
1434 [/* For disassembly only; pattern left blank */]> {
1435 let Inst{21} = 1; // overwrite
1438 //===----------------------------------------------------------------------===//
1439 // Load / store multiple Instructions.
1442 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1 in {
1443 def LDM : AXI4ld<(outs), (ins addrmode4:$addr, pred:$p,
1444 reglist:$dsts, variable_ops),
1445 IndexModeNone, LdStMulFrm, IIC_iLoadm,
1446 "ldm${addr:submode}${p}\t$addr, $dsts", "", []>;
1448 def LDM_UPD : AXI4ld<(outs GPR:$wb), (ins addrmode4:$addr, pred:$p,
1449 reglist:$dsts, variable_ops),
1450 IndexModeUpd, LdStMulFrm, IIC_iLoadm,
1451 "ldm${addr:submode}${p}\t$addr!, $dsts",
1452 "$addr.addr = $wb", []>;
1453 } // mayLoad, neverHasSideEffects, hasExtraDefRegAllocReq
1455 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in {
1456 def STM : AXI4st<(outs), (ins addrmode4:$addr, pred:$p,
1457 reglist:$srcs, variable_ops),
1458 IndexModeNone, LdStMulFrm, IIC_iStorem,
1459 "stm${addr:submode}${p}\t$addr, $srcs", "", []>;
1461 def STM_UPD : AXI4st<(outs GPR:$wb), (ins addrmode4:$addr, pred:$p,
1462 reglist:$srcs, variable_ops),
1463 IndexModeUpd, LdStMulFrm, IIC_iStorem,
1464 "stm${addr:submode}${p}\t$addr!, $srcs",
1465 "$addr.addr = $wb", []>;
1466 } // mayStore, neverHasSideEffects, hasExtraSrcRegAllocReq
1468 //===----------------------------------------------------------------------===//
1469 // Move Instructions.
1472 let neverHasSideEffects = 1 in
1473 def MOVr : AsI1<0b1101, (outs GPR:$dst), (ins GPR:$src), DPFrm, IIC_iMOVr,
1474 "mov", "\t$dst, $src", []>, UnaryDP {
1475 let Inst{11-4} = 0b00000000;
1479 def MOVs : AsI1<0b1101, (outs GPR:$dst), (ins so_reg:$src),
1480 DPSoRegFrm, IIC_iMOVsr,
1481 "mov", "\t$dst, $src", [(set GPR:$dst, so_reg:$src)]>, UnaryDP {
1485 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
1486 def MOVi : AsI1<0b1101, (outs GPR:$dst), (ins so_imm:$src), DPFrm, IIC_iMOVi,
1487 "mov", "\t$dst, $src", [(set GPR:$dst, so_imm:$src)]>, UnaryDP {
1491 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
1492 def MOVi16 : AI1<0b1000, (outs GPR:$dst), (ins i32imm:$src),
1494 "movw", "\t$dst, $src",
1495 [(set GPR:$dst, imm0_65535:$src)]>,
1496 Requires<[IsARM, HasV6T2]>, UnaryDP {
1501 let Constraints = "$src = $dst" in
1502 def MOVTi16 : AI1<0b1010, (outs GPR:$dst), (ins GPR:$src, i32imm:$imm),
1504 "movt", "\t$dst, $imm",
1506 (or (and GPR:$src, 0xffff),
1507 lo16AllZero:$imm))]>, UnaryDP,
1508 Requires<[IsARM, HasV6T2]> {
1513 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
1514 Requires<[IsARM, HasV6T2]>;
1516 let Uses = [CPSR] in
1517 def MOVrx : AsI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo, IIC_iMOVsi,
1518 "mov", "\t$dst, $src, rrx",
1519 [(set GPR:$dst, (ARMrrx GPR:$src))]>, UnaryDP;
1521 // These aren't really mov instructions, but we have to define them this way
1522 // due to flag operands.
1524 let Defs = [CPSR] in {
1525 def MOVsrl_flag : AI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo,
1526 IIC_iMOVsi, "movs", "\t$dst, $src, lsr #1",
1527 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP;
1528 def MOVsra_flag : AI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo,
1529 IIC_iMOVsi, "movs", "\t$dst, $src, asr #1",
1530 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP;
1533 //===----------------------------------------------------------------------===//
1534 // Extend Instructions.
1539 defm SXTB : AI_unary_rrot<0b01101010,
1540 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
1541 defm SXTH : AI_unary_rrot<0b01101011,
1542 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
1544 defm SXTAB : AI_bin_rrot<0b01101010,
1545 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
1546 defm SXTAH : AI_bin_rrot<0b01101011,
1547 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
1549 // For disassembly only
1550 defm SXTB16 : AI_unary_rrot_np<0b01101000, "sxtb16">;
1552 // For disassembly only
1553 defm SXTAB16 : AI_bin_rrot_np<0b01101000, "sxtab16">;
1557 let AddedComplexity = 16 in {
1558 defm UXTB : AI_unary_rrot<0b01101110,
1559 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
1560 defm UXTH : AI_unary_rrot<0b01101111,
1561 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
1562 defm UXTB16 : AI_unary_rrot<0b01101100,
1563 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
1565 def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
1566 (UXTB16r_rot GPR:$Src, 24)>;
1567 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
1568 (UXTB16r_rot GPR:$Src, 8)>;
1570 defm UXTAB : AI_bin_rrot<0b01101110, "uxtab",
1571 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
1572 defm UXTAH : AI_bin_rrot<0b01101111, "uxtah",
1573 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
1576 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
1577 // For disassembly only
1578 defm UXTAB16 : AI_bin_rrot_np<0b01101100, "uxtab16">;
1581 def SBFX : I<(outs GPR:$dst),
1582 (ins GPR:$src, imm0_31:$lsb, imm0_31:$width),
1583 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iALUi,
1584 "sbfx", "\t$dst, $src, $lsb, $width", "", []>,
1585 Requires<[IsARM, HasV6T2]> {
1586 let Inst{27-21} = 0b0111101;
1587 let Inst{6-4} = 0b101;
1590 def UBFX : I<(outs GPR:$dst),
1591 (ins GPR:$src, imm0_31:$lsb, imm0_31:$width),
1592 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iALUi,
1593 "ubfx", "\t$dst, $src, $lsb, $width", "", []>,
1594 Requires<[IsARM, HasV6T2]> {
1595 let Inst{27-21} = 0b0111111;
1596 let Inst{6-4} = 0b101;
1599 //===----------------------------------------------------------------------===//
1600 // Arithmetic Instructions.
1603 defm ADD : AsI1_bin_irs<0b0100, "add",
1604 BinOpFrag<(add node:$LHS, node:$RHS)>, 1>;
1605 defm SUB : AsI1_bin_irs<0b0010, "sub",
1606 BinOpFrag<(sub node:$LHS, node:$RHS)>>;
1608 // ADD and SUB with 's' bit set.
1609 defm ADDS : AI1_bin_s_irs<0b0100, "adds",
1610 BinOpFrag<(addc node:$LHS, node:$RHS)>, 1>;
1611 defm SUBS : AI1_bin_s_irs<0b0010, "subs",
1612 BinOpFrag<(subc node:$LHS, node:$RHS)>>;
1614 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
1615 BinOpFrag<(adde_dead_carry node:$LHS, node:$RHS)>, 1>;
1616 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
1617 BinOpFrag<(sube_dead_carry node:$LHS, node:$RHS)>>;
1618 defm ADCS : AI1_adde_sube_s_irs<0b0101, "adcs",
1619 BinOpFrag<(adde_live_carry node:$LHS, node:$RHS)>, 1>;
1620 defm SBCS : AI1_adde_sube_s_irs<0b0110, "sbcs",
1621 BinOpFrag<(sube_live_carry node:$LHS, node:$RHS) >>;
1623 // These don't define reg/reg forms, because they are handled above.
1624 def RSBri : AsI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
1625 IIC_iALUi, "rsb", "\t$dst, $a, $b",
1626 [(set GPR:$dst, (sub so_imm:$b, GPR:$a))]> {
1630 def RSBrs : AsI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
1631 IIC_iALUsr, "rsb", "\t$dst, $a, $b",
1632 [(set GPR:$dst, (sub so_reg:$b, GPR:$a))]> {
1636 // RSB with 's' bit set.
1637 let Defs = [CPSR] in {
1638 def RSBSri : AI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
1639 IIC_iALUi, "rsbs", "\t$dst, $a, $b",
1640 [(set GPR:$dst, (subc so_imm:$b, GPR:$a))]> {
1644 def RSBSrs : AI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
1645 IIC_iALUsr, "rsbs", "\t$dst, $a, $b",
1646 [(set GPR:$dst, (subc so_reg:$b, GPR:$a))]> {
1652 let Uses = [CPSR] in {
1653 def RSCri : AsI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
1654 DPFrm, IIC_iALUi, "rsc", "\t$dst, $a, $b",
1655 [(set GPR:$dst, (sube_dead_carry so_imm:$b, GPR:$a))]>,
1659 def RSCrs : AsI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
1660 DPSoRegFrm, IIC_iALUsr, "rsc", "\t$dst, $a, $b",
1661 [(set GPR:$dst, (sube_dead_carry so_reg:$b, GPR:$a))]>,
1667 // FIXME: Allow these to be predicated.
1668 let Defs = [CPSR], Uses = [CPSR] in {
1669 def RSCSri : AXI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
1670 DPFrm, IIC_iALUi, "rscs\t$dst, $a, $b",
1671 [(set GPR:$dst, (sube_dead_carry so_imm:$b, GPR:$a))]>,
1676 def RSCSrs : AXI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
1677 DPSoRegFrm, IIC_iALUsr, "rscs\t$dst, $a, $b",
1678 [(set GPR:$dst, (sube_dead_carry so_reg:$b, GPR:$a))]>,
1685 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
1686 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
1687 (SUBri GPR:$src, so_imm_neg:$imm)>;
1689 //def : ARMPat<(addc GPR:$src, so_imm_neg:$imm),
1690 // (SUBSri GPR:$src, so_imm_neg:$imm)>;
1691 //def : ARMPat<(adde GPR:$src, so_imm_neg:$imm),
1692 // (SBCri GPR:$src, so_imm_neg:$imm)>;
1694 // Note: These are implemented in C++ code, because they have to generate
1695 // ADD/SUBrs instructions, which use a complex pattern that a xform function
1697 // (mul X, 2^n+1) -> (add (X << n), X)
1698 // (mul X, 2^n-1) -> (rsb X, (X << n))
1700 // ARM Arithmetic Instruction -- for disassembly only
1701 // GPR:$dst = GPR:$a op GPR:$b
1702 class AAI<bits<8> op27_20, bits<4> op7_4, string opc>
1703 : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm, IIC_iALUr,
1704 opc, "\t$dst, $a, $b",
1705 [/* For disassembly only; pattern left blank */]> {
1706 let Inst{27-20} = op27_20;
1707 let Inst{7-4} = op7_4;
1710 // Saturating add/subtract -- for disassembly only
1712 def QADD : AAI<0b00010000, 0b0101, "qadd">;
1713 def QADD16 : AAI<0b01100010, 0b0001, "qadd16">;
1714 def QADD8 : AAI<0b01100010, 0b1001, "qadd8">;
1715 def QASX : AAI<0b01100010, 0b0011, "qasx">;
1716 def QDADD : AAI<0b00010100, 0b0101, "qdadd">;
1717 def QDSUB : AAI<0b00010110, 0b0101, "qdsub">;
1718 def QSAX : AAI<0b01100010, 0b0101, "qsax">;
1719 def QSUB : AAI<0b00010010, 0b0101, "qsub">;
1720 def QSUB16 : AAI<0b01100010, 0b0111, "qsub16">;
1721 def QSUB8 : AAI<0b01100010, 0b1111, "qsub8">;
1722 def UQADD16 : AAI<0b01100110, 0b0001, "uqadd16">;
1723 def UQADD8 : AAI<0b01100110, 0b1001, "uqadd8">;
1724 def UQASX : AAI<0b01100110, 0b0011, "uqasx">;
1725 def UQSAX : AAI<0b01100110, 0b0101, "uqsax">;
1726 def UQSUB16 : AAI<0b01100110, 0b0111, "uqsub16">;
1727 def UQSUB8 : AAI<0b01100110, 0b1111, "uqsub8">;
1729 // Signed/Unsigned add/subtract -- for disassembly only
1731 def SASX : AAI<0b01100001, 0b0011, "sasx">;
1732 def SADD16 : AAI<0b01100001, 0b0001, "sadd16">;
1733 def SADD8 : AAI<0b01100001, 0b1001, "sadd8">;
1734 def SSAX : AAI<0b01100001, 0b0101, "ssax">;
1735 def SSUB16 : AAI<0b01100001, 0b0111, "ssub16">;
1736 def SSUB8 : AAI<0b01100001, 0b1111, "ssub8">;
1737 def UASX : AAI<0b01100101, 0b0011, "uasx">;
1738 def UADD16 : AAI<0b01100101, 0b0001, "uadd16">;
1739 def UADD8 : AAI<0b01100101, 0b1001, "uadd8">;
1740 def USAX : AAI<0b01100101, 0b0101, "usax">;
1741 def USUB16 : AAI<0b01100101, 0b0111, "usub16">;
1742 def USUB8 : AAI<0b01100101, 0b1111, "usub8">;
1744 // Signed/Unsigned halving add/subtract -- for disassembly only
1746 def SHASX : AAI<0b01100011, 0b0011, "shasx">;
1747 def SHADD16 : AAI<0b01100011, 0b0001, "shadd16">;
1748 def SHADD8 : AAI<0b01100011, 0b1001, "shadd8">;
1749 def SHSAX : AAI<0b01100011, 0b0101, "shsax">;
1750 def SHSUB16 : AAI<0b01100011, 0b0111, "shsub16">;
1751 def SHSUB8 : AAI<0b01100011, 0b1111, "shsub8">;
1752 def UHASX : AAI<0b01100111, 0b0011, "uhasx">;
1753 def UHADD16 : AAI<0b01100111, 0b0001, "uhadd16">;
1754 def UHADD8 : AAI<0b01100111, 0b1001, "uhadd8">;
1755 def UHSAX : AAI<0b01100111, 0b0101, "uhsax">;
1756 def UHSUB16 : AAI<0b01100111, 0b0111, "uhsub16">;
1757 def UHSUB8 : AAI<0b01100111, 0b1111, "uhsub8">;
1759 // Unsigned Sum of Absolute Differences [and Accumulate] -- for disassembly only
1761 def USAD8 : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b),
1762 MulFrm /* for convenience */, NoItinerary, "usad8",
1763 "\t$dst, $a, $b", []>,
1764 Requires<[IsARM, HasV6]> {
1765 let Inst{27-20} = 0b01111000;
1766 let Inst{15-12} = 0b1111;
1767 let Inst{7-4} = 0b0001;
1769 def USADA8 : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1770 MulFrm /* for convenience */, NoItinerary, "usada8",
1771 "\t$dst, $a, $b, $acc", []>,
1772 Requires<[IsARM, HasV6]> {
1773 let Inst{27-20} = 0b01111000;
1774 let Inst{7-4} = 0b0001;
1777 // Signed/Unsigned saturate -- for disassembly only
1779 def SSATlsl : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a, i32imm:$shamt),
1780 DPFrm, NoItinerary, "ssat", "\t$dst, $bit_pos, $a, lsl $shamt",
1781 [/* For disassembly only; pattern left blank */]> {
1782 let Inst{27-21} = 0b0110101;
1783 let Inst{6-4} = 0b001;
1786 def SSATasr : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a, i32imm:$shamt),
1787 DPFrm, NoItinerary, "ssat", "\t$dst, $bit_pos, $a, asr $shamt",
1788 [/* For disassembly only; pattern left blank */]> {
1789 let Inst{27-21} = 0b0110101;
1790 let Inst{6-4} = 0b101;
1793 def SSAT16 : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a), DPFrm,
1794 NoItinerary, "ssat16", "\t$dst, $bit_pos, $a",
1795 [/* For disassembly only; pattern left blank */]> {
1796 let Inst{27-20} = 0b01101010;
1797 let Inst{7-4} = 0b0011;
1800 def USATlsl : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a, i32imm:$shamt),
1801 DPFrm, NoItinerary, "usat", "\t$dst, $bit_pos, $a, lsl $shamt",
1802 [/* For disassembly only; pattern left blank */]> {
1803 let Inst{27-21} = 0b0110111;
1804 let Inst{6-4} = 0b001;
1807 def USATasr : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a, i32imm:$shamt),
1808 DPFrm, NoItinerary, "usat", "\t$dst, $bit_pos, $a, asr $shamt",
1809 [/* For disassembly only; pattern left blank */]> {
1810 let Inst{27-21} = 0b0110111;
1811 let Inst{6-4} = 0b101;
1814 def USAT16 : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a), DPFrm,
1815 NoItinerary, "usat16", "\t$dst, $bit_pos, $a",
1816 [/* For disassembly only; pattern left blank */]> {
1817 let Inst{27-20} = 0b01101110;
1818 let Inst{7-4} = 0b0011;
1821 //===----------------------------------------------------------------------===//
1822 // Bitwise Instructions.
1825 defm AND : AsI1_bin_irs<0b0000, "and",
1826 BinOpFrag<(and node:$LHS, node:$RHS)>, 1>;
1827 defm ORR : AsI1_bin_irs<0b1100, "orr",
1828 BinOpFrag<(or node:$LHS, node:$RHS)>, 1>;
1829 defm EOR : AsI1_bin_irs<0b0001, "eor",
1830 BinOpFrag<(xor node:$LHS, node:$RHS)>, 1>;
1831 defm BIC : AsI1_bin_irs<0b1110, "bic",
1832 BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
1834 def BFC : I<(outs GPR:$dst), (ins GPR:$src, bf_inv_mask_imm:$imm),
1835 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
1836 "bfc", "\t$dst, $imm", "$src = $dst",
1837 [(set GPR:$dst, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
1838 Requires<[IsARM, HasV6T2]> {
1839 let Inst{27-21} = 0b0111110;
1840 let Inst{6-0} = 0b0011111;
1843 // A8.6.18 BFI - Bitfield insert (Encoding A1)
1844 // Added for disassembler with the pattern field purposely left blank.
1845 def BFI : I<(outs GPR:$dst), (ins GPR:$src, bf_inv_mask_imm:$imm),
1846 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
1847 "bfi", "\t$dst, $src, $imm", "",
1848 [/* For disassembly only; pattern left blank */]>,
1849 Requires<[IsARM, HasV6T2]> {
1850 let Inst{27-21} = 0b0111110;
1851 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
1854 def MVNr : AsI1<0b1111, (outs GPR:$dst), (ins GPR:$src), DPFrm, IIC_iMOVr,
1855 "mvn", "\t$dst, $src",
1856 [(set GPR:$dst, (not GPR:$src))]>, UnaryDP {
1858 let Inst{11-4} = 0b00000000;
1860 def MVNs : AsI1<0b1111, (outs GPR:$dst), (ins so_reg:$src), DPSoRegFrm,
1861 IIC_iMOVsr, "mvn", "\t$dst, $src",
1862 [(set GPR:$dst, (not so_reg:$src))]>, UnaryDP {
1865 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
1866 def MVNi : AsI1<0b1111, (outs GPR:$dst), (ins so_imm:$imm), DPFrm,
1867 IIC_iMOVi, "mvn", "\t$dst, $imm",
1868 [(set GPR:$dst, so_imm_not:$imm)]>,UnaryDP {
1872 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
1873 (BICri GPR:$src, so_imm_not:$imm)>;
1875 //===----------------------------------------------------------------------===//
1876 // Multiply Instructions.
1879 let isCommutable = 1 in
1880 def MUL : AsMul1I<0b0000000, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1881 IIC_iMUL32, "mul", "\t$dst, $a, $b",
1882 [(set GPR:$dst, (mul GPR:$a, GPR:$b))]>;
1884 def MLA : AsMul1I<0b0000001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1885 IIC_iMAC32, "mla", "\t$dst, $a, $b, $c",
1886 [(set GPR:$dst, (add (mul GPR:$a, GPR:$b), GPR:$c))]>;
1888 def MLS : AMul1I<0b0000011, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1889 IIC_iMAC32, "mls", "\t$dst, $a, $b, $c",
1890 [(set GPR:$dst, (sub GPR:$c, (mul GPR:$a, GPR:$b)))]>,
1891 Requires<[IsARM, HasV6T2]>;
1893 // Extra precision multiplies with low / high results
1894 let neverHasSideEffects = 1 in {
1895 let isCommutable = 1 in {
1896 def SMULL : AsMul1I<0b0000110, (outs GPR:$ldst, GPR:$hdst),
1897 (ins GPR:$a, GPR:$b), IIC_iMUL64,
1898 "smull", "\t$ldst, $hdst, $a, $b", []>;
1900 def UMULL : AsMul1I<0b0000100, (outs GPR:$ldst, GPR:$hdst),
1901 (ins GPR:$a, GPR:$b), IIC_iMUL64,
1902 "umull", "\t$ldst, $hdst, $a, $b", []>;
1905 // Multiply + accumulate
1906 def SMLAL : AsMul1I<0b0000111, (outs GPR:$ldst, GPR:$hdst),
1907 (ins GPR:$a, GPR:$b), IIC_iMAC64,
1908 "smlal", "\t$ldst, $hdst, $a, $b", []>;
1910 def UMLAL : AsMul1I<0b0000101, (outs GPR:$ldst, GPR:$hdst),
1911 (ins GPR:$a, GPR:$b), IIC_iMAC64,
1912 "umlal", "\t$ldst, $hdst, $a, $b", []>;
1914 def UMAAL : AMul1I <0b0000010, (outs GPR:$ldst, GPR:$hdst),
1915 (ins GPR:$a, GPR:$b), IIC_iMAC64,
1916 "umaal", "\t$ldst, $hdst, $a, $b", []>,
1917 Requires<[IsARM, HasV6]>;
1918 } // neverHasSideEffects
1920 // Most significant word multiply
1921 def SMMUL : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1922 IIC_iMUL32, "smmul", "\t$dst, $a, $b",
1923 [(set GPR:$dst, (mulhs GPR:$a, GPR:$b))]>,
1924 Requires<[IsARM, HasV6]> {
1925 let Inst{7-4} = 0b0001;
1926 let Inst{15-12} = 0b1111;
1929 def SMMULR : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1930 IIC_iMUL32, "smmulr", "\t$dst, $a, $b",
1931 [/* For disassembly only; pattern left blank */]>,
1932 Requires<[IsARM, HasV6]> {
1933 let Inst{7-4} = 0b0011; // R = 1
1934 let Inst{15-12} = 0b1111;
1937 def SMMLA : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1938 IIC_iMAC32, "smmla", "\t$dst, $a, $b, $c",
1939 [(set GPR:$dst, (add (mulhs GPR:$a, GPR:$b), GPR:$c))]>,
1940 Requires<[IsARM, HasV6]> {
1941 let Inst{7-4} = 0b0001;
1944 def SMMLAR : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1945 IIC_iMAC32, "smmlar", "\t$dst, $a, $b, $c",
1946 [/* For disassembly only; pattern left blank */]>,
1947 Requires<[IsARM, HasV6]> {
1948 let Inst{7-4} = 0b0011; // R = 1
1951 def SMMLS : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1952 IIC_iMAC32, "smmls", "\t$dst, $a, $b, $c",
1953 [(set GPR:$dst, (sub GPR:$c, (mulhs GPR:$a, GPR:$b)))]>,
1954 Requires<[IsARM, HasV6]> {
1955 let Inst{7-4} = 0b1101;
1958 def SMMLSR : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1959 IIC_iMAC32, "smmlsr", "\t$dst, $a, $b, $c",
1960 [/* For disassembly only; pattern left blank */]>,
1961 Requires<[IsARM, HasV6]> {
1962 let Inst{7-4} = 0b1111; // R = 1
1965 multiclass AI_smul<string opc, PatFrag opnode> {
1966 def BB : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1967 IIC_iMUL32, !strconcat(opc, "bb"), "\t$dst, $a, $b",
1968 [(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16),
1969 (sext_inreg GPR:$b, i16)))]>,
1970 Requires<[IsARM, HasV5TE]> {
1975 def BT : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1976 IIC_iMUL32, !strconcat(opc, "bt"), "\t$dst, $a, $b",
1977 [(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16),
1978 (sra GPR:$b, (i32 16))))]>,
1979 Requires<[IsARM, HasV5TE]> {
1984 def TB : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1985 IIC_iMUL32, !strconcat(opc, "tb"), "\t$dst, $a, $b",
1986 [(set GPR:$dst, (opnode (sra GPR:$a, (i32 16)),
1987 (sext_inreg GPR:$b, i16)))]>,
1988 Requires<[IsARM, HasV5TE]> {
1993 def TT : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1994 IIC_iMUL32, !strconcat(opc, "tt"), "\t$dst, $a, $b",
1995 [(set GPR:$dst, (opnode (sra GPR:$a, (i32 16)),
1996 (sra GPR:$b, (i32 16))))]>,
1997 Requires<[IsARM, HasV5TE]> {
2002 def WB : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2003 IIC_iMUL16, !strconcat(opc, "wb"), "\t$dst, $a, $b",
2004 [(set GPR:$dst, (sra (opnode GPR:$a,
2005 (sext_inreg GPR:$b, i16)), (i32 16)))]>,
2006 Requires<[IsARM, HasV5TE]> {
2011 def WT : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2012 IIC_iMUL16, !strconcat(opc, "wt"), "\t$dst, $a, $b",
2013 [(set GPR:$dst, (sra (opnode GPR:$a,
2014 (sra GPR:$b, (i32 16))), (i32 16)))]>,
2015 Requires<[IsARM, HasV5TE]> {
2022 multiclass AI_smla<string opc, PatFrag opnode> {
2023 def BB : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2024 IIC_iMAC16, !strconcat(opc, "bb"), "\t$dst, $a, $b, $acc",
2025 [(set GPR:$dst, (add GPR:$acc,
2026 (opnode (sext_inreg GPR:$a, i16),
2027 (sext_inreg GPR:$b, i16))))]>,
2028 Requires<[IsARM, HasV5TE]> {
2033 def BT : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2034 IIC_iMAC16, !strconcat(opc, "bt"), "\t$dst, $a, $b, $acc",
2035 [(set GPR:$dst, (add GPR:$acc, (opnode (sext_inreg GPR:$a, i16),
2036 (sra GPR:$b, (i32 16)))))]>,
2037 Requires<[IsARM, HasV5TE]> {
2042 def TB : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2043 IIC_iMAC16, !strconcat(opc, "tb"), "\t$dst, $a, $b, $acc",
2044 [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, (i32 16)),
2045 (sext_inreg GPR:$b, i16))))]>,
2046 Requires<[IsARM, HasV5TE]> {
2051 def TT : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2052 IIC_iMAC16, !strconcat(opc, "tt"), "\t$dst, $a, $b, $acc",
2053 [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, (i32 16)),
2054 (sra GPR:$b, (i32 16)))))]>,
2055 Requires<[IsARM, HasV5TE]> {
2060 def WB : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2061 IIC_iMAC16, !strconcat(opc, "wb"), "\t$dst, $a, $b, $acc",
2062 [(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a,
2063 (sext_inreg GPR:$b, i16)), (i32 16))))]>,
2064 Requires<[IsARM, HasV5TE]> {
2069 def WT : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2070 IIC_iMAC16, !strconcat(opc, "wt"), "\t$dst, $a, $b, $acc",
2071 [(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a,
2072 (sra GPR:$b, (i32 16))), (i32 16))))]>,
2073 Requires<[IsARM, HasV5TE]> {
2079 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
2080 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
2082 // Halfword multiply accumulate long: SMLAL<x><y> -- for disassembly only
2083 def SMLALBB : AMulxyI<0b0001010,(outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
2084 IIC_iMAC64, "smlalbb", "\t$ldst, $hdst, $a, $b",
2085 [/* For disassembly only; pattern left blank */]>,
2086 Requires<[IsARM, HasV5TE]> {
2091 def SMLALBT : AMulxyI<0b0001010,(outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
2092 IIC_iMAC64, "smlalbt", "\t$ldst, $hdst, $a, $b",
2093 [/* For disassembly only; pattern left blank */]>,
2094 Requires<[IsARM, HasV5TE]> {
2099 def SMLALTB : AMulxyI<0b0001010,(outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
2100 IIC_iMAC64, "smlaltb", "\t$ldst, $hdst, $a, $b",
2101 [/* For disassembly only; pattern left blank */]>,
2102 Requires<[IsARM, HasV5TE]> {
2107 def SMLALTT : AMulxyI<0b0001010,(outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
2108 IIC_iMAC64, "smlaltt", "\t$ldst, $hdst, $a, $b",
2109 [/* For disassembly only; pattern left blank */]>,
2110 Requires<[IsARM, HasV5TE]> {
2115 // Helper class for AI_smld -- for disassembly only
2116 class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
2117 InstrItinClass itin, string opc, string asm>
2118 : AI<oops, iops, MulFrm, itin, opc, asm, []>, Requires<[IsARM, HasV6]> {
2123 let Inst{21-20} = 0b00;
2124 let Inst{22} = long;
2125 let Inst{27-23} = 0b01110;
2128 multiclass AI_smld<bit sub, string opc> {
2130 def D : AMulDualI<0, sub, 0, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2131 NoItinerary, !strconcat(opc, "d"), "\t$dst, $a, $b, $acc">;
2133 def DX : AMulDualI<0, sub, 1, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2134 NoItinerary, !strconcat(opc, "dx"), "\t$dst, $a, $b, $acc">;
2136 def LD : AMulDualI<1, sub, 0, (outs GPR:$ldst,GPR:$hdst), (ins GPR:$a,GPR:$b),
2137 NoItinerary, !strconcat(opc, "ld"), "\t$ldst, $hdst, $a, $b">;
2139 def LDX : AMulDualI<1, sub, 1, (outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
2140 NoItinerary, !strconcat(opc, "ldx"),"\t$ldst, $hdst, $a, $b">;
2144 defm SMLA : AI_smld<0, "smla">;
2145 defm SMLS : AI_smld<1, "smls">;
2147 multiclass AI_sdml<bit sub, string opc> {
2149 def D : AMulDualI<0, sub, 0, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2150 NoItinerary, !strconcat(opc, "d"), "\t$dst, $a, $b"> {
2151 let Inst{15-12} = 0b1111;
2154 def DX : AMulDualI<0, sub, 1, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2155 NoItinerary, !strconcat(opc, "dx"), "\t$dst, $a, $b"> {
2156 let Inst{15-12} = 0b1111;
2161 defm SMUA : AI_sdml<0, "smua">;
2162 defm SMUS : AI_sdml<1, "smus">;
2164 //===----------------------------------------------------------------------===//
2165 // Misc. Arithmetic Instructions.
2168 def CLZ : AMiscA1I<0b000010110, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
2169 "clz", "\t$dst, $src",
2170 [(set GPR:$dst, (ctlz GPR:$src))]>, Requires<[IsARM, HasV5T]> {
2171 let Inst{7-4} = 0b0001;
2172 let Inst{11-8} = 0b1111;
2173 let Inst{19-16} = 0b1111;
2176 def RBIT : AMiscA1I<0b01101111, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
2177 "rbit", "\t$dst, $src",
2178 [(set GPR:$dst, (ARMrbit GPR:$src))]>,
2179 Requires<[IsARM, HasV6T2]> {
2180 let Inst{7-4} = 0b0011;
2181 let Inst{11-8} = 0b1111;
2182 let Inst{19-16} = 0b1111;
2185 def REV : AMiscA1I<0b01101011, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
2186 "rev", "\t$dst, $src",
2187 [(set GPR:$dst, (bswap GPR:$src))]>, Requires<[IsARM, HasV6]> {
2188 let Inst{7-4} = 0b0011;
2189 let Inst{11-8} = 0b1111;
2190 let Inst{19-16} = 0b1111;
2193 def REV16 : AMiscA1I<0b01101011, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
2194 "rev16", "\t$dst, $src",
2196 (or (and (srl GPR:$src, (i32 8)), 0xFF),
2197 (or (and (shl GPR:$src, (i32 8)), 0xFF00),
2198 (or (and (srl GPR:$src, (i32 8)), 0xFF0000),
2199 (and (shl GPR:$src, (i32 8)), 0xFF000000)))))]>,
2200 Requires<[IsARM, HasV6]> {
2201 let Inst{7-4} = 0b1011;
2202 let Inst{11-8} = 0b1111;
2203 let Inst{19-16} = 0b1111;
2206 def REVSH : AMiscA1I<0b01101111, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
2207 "revsh", "\t$dst, $src",
2210 (or (srl (and GPR:$src, 0xFF00), (i32 8)),
2211 (shl GPR:$src, (i32 8))), i16))]>,
2212 Requires<[IsARM, HasV6]> {
2213 let Inst{7-4} = 0b1011;
2214 let Inst{11-8} = 0b1111;
2215 let Inst{19-16} = 0b1111;
2218 def PKHBT : AMiscA1I<0b01101000, (outs GPR:$dst),
2219 (ins GPR:$src1, GPR:$src2, i32imm:$shamt),
2220 IIC_iALUsi, "pkhbt", "\t$dst, $src1, $src2, lsl $shamt",
2221 [(set GPR:$dst, (or (and GPR:$src1, 0xFFFF),
2222 (and (shl GPR:$src2, (i32 imm:$shamt)),
2224 Requires<[IsARM, HasV6]> {
2225 let Inst{6-4} = 0b001;
2228 // Alternate cases for PKHBT where identities eliminate some nodes.
2229 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF), (and GPR:$src2, 0xFFFF0000)),
2230 (PKHBT GPR:$src1, GPR:$src2, 0)>;
2231 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF), (shl GPR:$src2, imm16_31:$shamt)),
2232 (PKHBT GPR:$src1, GPR:$src2, imm16_31:$shamt)>;
2235 def PKHTB : AMiscA1I<0b01101000, (outs GPR:$dst),
2236 (ins GPR:$src1, GPR:$src2, i32imm:$shamt),
2237 IIC_iALUsi, "pkhtb", "\t$dst, $src1, $src2, asr $shamt",
2238 [(set GPR:$dst, (or (and GPR:$src1, 0xFFFF0000),
2239 (and (sra GPR:$src2, imm16_31:$shamt),
2240 0xFFFF)))]>, Requires<[IsARM, HasV6]> {
2241 let Inst{6-4} = 0b101;
2244 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
2245 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
2246 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000), (srl GPR:$src2, (i32 16))),
2247 (PKHTB GPR:$src1, GPR:$src2, 16)>;
2248 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000),
2249 (and (srl GPR:$src2, imm1_15:$shamt), 0xFFFF)),
2250 (PKHTB GPR:$src1, GPR:$src2, imm1_15:$shamt)>;
2252 //===----------------------------------------------------------------------===//
2253 // Comparison Instructions...
2256 defm CMP : AI1_cmp_irs<0b1010, "cmp",
2257 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
2258 //FIXME: Disable CMN, as CCodes are backwards from compare expectations
2259 // Compare-to-zero still works out, just not the relationals
2260 //defm CMN : AI1_cmp_irs<0b1011, "cmn",
2261 // BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
2263 // Note that TST/TEQ don't set all the same flags that CMP does!
2264 defm TST : AI1_cmp_irs<0b1000, "tst",
2265 BinOpFrag<(ARMcmpZ (and node:$LHS, node:$RHS), 0)>, 1>;
2266 defm TEQ : AI1_cmp_irs<0b1001, "teq",
2267 BinOpFrag<(ARMcmpZ (xor node:$LHS, node:$RHS), 0)>, 1>;
2269 defm CMPz : AI1_cmp_irs<0b1010, "cmp",
2270 BinOpFrag<(ARMcmpZ node:$LHS, node:$RHS)>>;
2271 defm CMNz : AI1_cmp_irs<0b1011, "cmn",
2272 BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>>;
2274 //def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
2275 // (CMNri GPR:$src, so_imm_neg:$imm)>;
2277 def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
2278 (CMNzri GPR:$src, so_imm_neg:$imm)>;
2281 // Conditional moves
2282 // FIXME: should be able to write a pattern for ARMcmov, but can't use
2283 // a two-value operand where a dag node expects two operands. :(
2284 let neverHasSideEffects = 1 in {
2285 def MOVCCr : AI1<0b1101, (outs GPR:$dst), (ins GPR:$false, GPR:$true), DPFrm,
2286 IIC_iCMOVr, "mov", "\t$dst, $true",
2287 [/*(set GPR:$dst, (ARMcmov GPR:$false, GPR:$true, imm:$cc, CCR:$ccr))*/]>,
2288 RegConstraint<"$false = $dst">, UnaryDP {
2289 let Inst{11-4} = 0b00000000;
2293 def MOVCCs : AI1<0b1101, (outs GPR:$dst),
2294 (ins GPR:$false, so_reg:$true), DPSoRegFrm, IIC_iCMOVsr,
2295 "mov", "\t$dst, $true",
2296 [/*(set GPR:$dst, (ARMcmov GPR:$false, so_reg:$true, imm:$cc, CCR:$ccr))*/]>,
2297 RegConstraint<"$false = $dst">, UnaryDP {
2301 def MOVCCi : AI1<0b1101, (outs GPR:$dst),
2302 (ins GPR:$false, so_imm:$true), DPFrm, IIC_iCMOVi,
2303 "mov", "\t$dst, $true",
2304 [/*(set GPR:$dst, (ARMcmov GPR:$false, so_imm:$true, imm:$cc, CCR:$ccr))*/]>,
2305 RegConstraint<"$false = $dst">, UnaryDP {
2308 } // neverHasSideEffects
2310 //===----------------------------------------------------------------------===//
2311 // Atomic operations intrinsics
2314 // memory barriers protect the atomic sequences
2315 let hasSideEffects = 1 in {
2316 def Int_MemBarrierV7 : AInoP<(outs), (ins),
2317 Pseudo, NoItinerary,
2319 [(ARMMemBarrierV7)]>,
2320 Requires<[IsARM, HasV7]> {
2321 let Inst{31-4} = 0xf57ff05;
2322 // FIXME: add support for options other than a full system DMB
2323 // See DMB disassembly-only variants below.
2324 let Inst{3-0} = 0b1111;
2327 def Int_SyncBarrierV7 : AInoP<(outs), (ins),
2328 Pseudo, NoItinerary,
2330 [(ARMSyncBarrierV7)]>,
2331 Requires<[IsARM, HasV7]> {
2332 let Inst{31-4} = 0xf57ff04;
2333 // FIXME: add support for options other than a full system DSB
2334 // See DSB disassembly-only variants below.
2335 let Inst{3-0} = 0b1111;
2338 def Int_MemBarrierV6 : AInoP<(outs), (ins GPR:$zero),
2339 Pseudo, NoItinerary,
2340 "mcr", "\tp15, 0, $zero, c7, c10, 5",
2341 [(ARMMemBarrierV6 GPR:$zero)]>,
2342 Requires<[IsARM, HasV6]> {
2343 // FIXME: add support for options other than a full system DMB
2344 // FIXME: add encoding
2347 def Int_SyncBarrierV6 : AInoP<(outs), (ins GPR:$zero),
2348 Pseudo, NoItinerary,
2349 "mcr", "\tp15, 0, $zero, c7, c10, 4",
2350 [(ARMSyncBarrierV6 GPR:$zero)]>,
2351 Requires<[IsARM, HasV6]> {
2352 // FIXME: add support for options other than a full system DSB
2353 // FIXME: add encoding
2357 // Helper class for multiclass MemB -- for disassembly only
2358 class AMBI<string opc, string asm>
2359 : AInoP<(outs), (ins), MiscFrm, NoItinerary, opc, asm,
2360 [/* For disassembly only; pattern left blank */]>,
2361 Requires<[IsARM, HasV7]> {
2362 let Inst{31-20} = 0xf57;
2365 multiclass MemB<bits<4> op7_4, string opc> {
2367 def st : AMBI<opc, "\tst"> {
2368 let Inst{7-4} = op7_4;
2369 let Inst{3-0} = 0b1110;
2372 def ish : AMBI<opc, "\tish"> {
2373 let Inst{7-4} = op7_4;
2374 let Inst{3-0} = 0b1011;
2377 def ishst : AMBI<opc, "\tishst"> {
2378 let Inst{7-4} = op7_4;
2379 let Inst{3-0} = 0b1010;
2382 def nsh : AMBI<opc, "\tnsh"> {
2383 let Inst{7-4} = op7_4;
2384 let Inst{3-0} = 0b0111;
2387 def nshst : AMBI<opc, "\tnshst"> {
2388 let Inst{7-4} = op7_4;
2389 let Inst{3-0} = 0b0110;
2392 def osh : AMBI<opc, "\tosh"> {
2393 let Inst{7-4} = op7_4;
2394 let Inst{3-0} = 0b0011;
2397 def oshst : AMBI<opc, "\toshst"> {
2398 let Inst{7-4} = op7_4;
2399 let Inst{3-0} = 0b0010;
2403 // These DMB variants are for disassembly only.
2404 defm DMB : MemB<0b0101, "dmb">;
2406 // These DSB variants are for disassembly only.
2407 defm DSB : MemB<0b0100, "dsb">;
2409 // ISB has only full system option -- for disassembly only
2410 def ISBsy : AMBI<"isb", ""> {
2411 let Inst{7-4} = 0b0110;
2412 let Inst{3-0} = 0b1111;
2415 let usesCustomInserter = 1 in {
2416 let Uses = [CPSR] in {
2417 def ATOMIC_LOAD_ADD_I8 : PseudoInst<
2418 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2419 "${:comment} ATOMIC_LOAD_ADD_I8 PSEUDO!",
2420 [(set GPR:$dst, (atomic_load_add_8 GPR:$ptr, GPR:$incr))]>;
2421 def ATOMIC_LOAD_SUB_I8 : PseudoInst<
2422 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2423 "${:comment} ATOMIC_LOAD_SUB_I8 PSEUDO!",
2424 [(set GPR:$dst, (atomic_load_sub_8 GPR:$ptr, GPR:$incr))]>;
2425 def ATOMIC_LOAD_AND_I8 : PseudoInst<
2426 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2427 "${:comment} ATOMIC_LOAD_AND_I8 PSEUDO!",
2428 [(set GPR:$dst, (atomic_load_and_8 GPR:$ptr, GPR:$incr))]>;
2429 def ATOMIC_LOAD_OR_I8 : PseudoInst<
2430 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2431 "${:comment} ATOMIC_LOAD_OR_I8 PSEUDO!",
2432 [(set GPR:$dst, (atomic_load_or_8 GPR:$ptr, GPR:$incr))]>;
2433 def ATOMIC_LOAD_XOR_I8 : PseudoInst<
2434 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2435 "${:comment} ATOMIC_LOAD_XOR_I8 PSEUDO!",
2436 [(set GPR:$dst, (atomic_load_xor_8 GPR:$ptr, GPR:$incr))]>;
2437 def ATOMIC_LOAD_NAND_I8 : PseudoInst<
2438 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2439 "${:comment} ATOMIC_LOAD_NAND_I8 PSEUDO!",
2440 [(set GPR:$dst, (atomic_load_nand_8 GPR:$ptr, GPR:$incr))]>;
2441 def ATOMIC_LOAD_ADD_I16 : PseudoInst<
2442 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2443 "${:comment} ATOMIC_LOAD_ADD_I16 PSEUDO!",
2444 [(set GPR:$dst, (atomic_load_add_16 GPR:$ptr, GPR:$incr))]>;
2445 def ATOMIC_LOAD_SUB_I16 : PseudoInst<
2446 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2447 "${:comment} ATOMIC_LOAD_SUB_I16 PSEUDO!",
2448 [(set GPR:$dst, (atomic_load_sub_16 GPR:$ptr, GPR:$incr))]>;
2449 def ATOMIC_LOAD_AND_I16 : PseudoInst<
2450 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2451 "${:comment} ATOMIC_LOAD_AND_I16 PSEUDO!",
2452 [(set GPR:$dst, (atomic_load_and_16 GPR:$ptr, GPR:$incr))]>;
2453 def ATOMIC_LOAD_OR_I16 : PseudoInst<
2454 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2455 "${:comment} ATOMIC_LOAD_OR_I16 PSEUDO!",
2456 [(set GPR:$dst, (atomic_load_or_16 GPR:$ptr, GPR:$incr))]>;
2457 def ATOMIC_LOAD_XOR_I16 : PseudoInst<
2458 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2459 "${:comment} ATOMIC_LOAD_XOR_I16 PSEUDO!",
2460 [(set GPR:$dst, (atomic_load_xor_16 GPR:$ptr, GPR:$incr))]>;
2461 def ATOMIC_LOAD_NAND_I16 : PseudoInst<
2462 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2463 "${:comment} ATOMIC_LOAD_NAND_I16 PSEUDO!",
2464 [(set GPR:$dst, (atomic_load_nand_16 GPR:$ptr, GPR:$incr))]>;
2465 def ATOMIC_LOAD_ADD_I32 : PseudoInst<
2466 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2467 "${:comment} ATOMIC_LOAD_ADD_I32 PSEUDO!",
2468 [(set GPR:$dst, (atomic_load_add_32 GPR:$ptr, GPR:$incr))]>;
2469 def ATOMIC_LOAD_SUB_I32 : PseudoInst<
2470 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2471 "${:comment} ATOMIC_LOAD_SUB_I32 PSEUDO!",
2472 [(set GPR:$dst, (atomic_load_sub_32 GPR:$ptr, GPR:$incr))]>;
2473 def ATOMIC_LOAD_AND_I32 : PseudoInst<
2474 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2475 "${:comment} ATOMIC_LOAD_AND_I32 PSEUDO!",
2476 [(set GPR:$dst, (atomic_load_and_32 GPR:$ptr, GPR:$incr))]>;
2477 def ATOMIC_LOAD_OR_I32 : PseudoInst<
2478 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2479 "${:comment} ATOMIC_LOAD_OR_I32 PSEUDO!",
2480 [(set GPR:$dst, (atomic_load_or_32 GPR:$ptr, GPR:$incr))]>;
2481 def ATOMIC_LOAD_XOR_I32 : PseudoInst<
2482 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2483 "${:comment} ATOMIC_LOAD_XOR_I32 PSEUDO!",
2484 [(set GPR:$dst, (atomic_load_xor_32 GPR:$ptr, GPR:$incr))]>;
2485 def ATOMIC_LOAD_NAND_I32 : PseudoInst<
2486 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2487 "${:comment} ATOMIC_LOAD_NAND_I32 PSEUDO!",
2488 [(set GPR:$dst, (atomic_load_nand_32 GPR:$ptr, GPR:$incr))]>;
2490 def ATOMIC_SWAP_I8 : PseudoInst<
2491 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
2492 "${:comment} ATOMIC_SWAP_I8 PSEUDO!",
2493 [(set GPR:$dst, (atomic_swap_8 GPR:$ptr, GPR:$new))]>;
2494 def ATOMIC_SWAP_I16 : PseudoInst<
2495 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
2496 "${:comment} ATOMIC_SWAP_I16 PSEUDO!",
2497 [(set GPR:$dst, (atomic_swap_16 GPR:$ptr, GPR:$new))]>;
2498 def ATOMIC_SWAP_I32 : PseudoInst<
2499 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
2500 "${:comment} ATOMIC_SWAP_I32 PSEUDO!",
2501 [(set GPR:$dst, (atomic_swap_32 GPR:$ptr, GPR:$new))]>;
2503 def ATOMIC_CMP_SWAP_I8 : PseudoInst<
2504 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
2505 "${:comment} ATOMIC_CMP_SWAP_I8 PSEUDO!",
2506 [(set GPR:$dst, (atomic_cmp_swap_8 GPR:$ptr, GPR:$old, GPR:$new))]>;
2507 def ATOMIC_CMP_SWAP_I16 : PseudoInst<
2508 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
2509 "${:comment} ATOMIC_CMP_SWAP_I16 PSEUDO!",
2510 [(set GPR:$dst, (atomic_cmp_swap_16 GPR:$ptr, GPR:$old, GPR:$new))]>;
2511 def ATOMIC_CMP_SWAP_I32 : PseudoInst<
2512 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
2513 "${:comment} ATOMIC_CMP_SWAP_I32 PSEUDO!",
2514 [(set GPR:$dst, (atomic_cmp_swap_32 GPR:$ptr, GPR:$old, GPR:$new))]>;
2518 let mayLoad = 1 in {
2519 def LDREXB : AIldrex<0b10, (outs GPR:$dest), (ins GPR:$ptr), NoItinerary,
2520 "ldrexb", "\t$dest, [$ptr]",
2522 def LDREXH : AIldrex<0b11, (outs GPR:$dest), (ins GPR:$ptr), NoItinerary,
2523 "ldrexh", "\t$dest, [$ptr]",
2525 def LDREX : AIldrex<0b00, (outs GPR:$dest), (ins GPR:$ptr), NoItinerary,
2526 "ldrex", "\t$dest, [$ptr]",
2528 def LDREXD : AIldrex<0b01, (outs GPR:$dest, GPR:$dest2), (ins GPR:$ptr),
2530 "ldrexd", "\t$dest, $dest2, [$ptr]",
2534 let mayStore = 1, Constraints = "@earlyclobber $success" in {
2535 def STREXB : AIstrex<0b10, (outs GPR:$success), (ins GPR:$src, GPR:$ptr),
2537 "strexb", "\t$success, $src, [$ptr]",
2539 def STREXH : AIstrex<0b11, (outs GPR:$success), (ins GPR:$src, GPR:$ptr),
2541 "strexh", "\t$success, $src, [$ptr]",
2543 def STREX : AIstrex<0b00, (outs GPR:$success), (ins GPR:$src, GPR:$ptr),
2545 "strex", "\t$success, $src, [$ptr]",
2547 def STREXD : AIstrex<0b01, (outs GPR:$success),
2548 (ins GPR:$src, GPR:$src2, GPR:$ptr),
2550 "strexd", "\t$success, $src, $src2, [$ptr]",
2554 // Clear-Exclusive is for disassembly only.
2555 def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex",
2556 [/* For disassembly only; pattern left blank */]>,
2557 Requires<[IsARM, HasV7]> {
2558 let Inst{31-20} = 0xf57;
2559 let Inst{7-4} = 0b0001;
2562 // SWP/SWPB are deprecated in V6/V7 and for disassembly only.
2563 let mayLoad = 1 in {
2564 def SWP : AI<(outs GPR:$dst), (ins GPR:$src, GPR:$ptr), LdStExFrm, NoItinerary,
2565 "swp", "\t$dst, $src, [$ptr]",
2566 [/* For disassembly only; pattern left blank */]> {
2567 let Inst{27-23} = 0b00010;
2568 let Inst{22} = 0; // B = 0
2569 let Inst{21-20} = 0b00;
2570 let Inst{7-4} = 0b1001;
2573 def SWPB : AI<(outs GPR:$dst), (ins GPR:$src, GPR:$ptr), LdStExFrm, NoItinerary,
2574 "swpb", "\t$dst, $src, [$ptr]",
2575 [/* For disassembly only; pattern left blank */]> {
2576 let Inst{27-23} = 0b00010;
2577 let Inst{22} = 1; // B = 1
2578 let Inst{21-20} = 0b00;
2579 let Inst{7-4} = 0b1001;
2583 //===----------------------------------------------------------------------===//
2587 // __aeabi_read_tp preserves the registers r1-r3.
2589 Defs = [R0, R12, LR, CPSR] in {
2590 def TPsoft : ABXI<0b1011, (outs), (ins), IIC_Br,
2591 "bl\t__aeabi_read_tp",
2592 [(set R0, ARMthread_pointer)]>;
2595 //===----------------------------------------------------------------------===//
2596 // SJLJ Exception handling intrinsics
2597 // eh_sjlj_setjmp() is an instruction sequence to store the return
2598 // address and save #0 in R0 for the non-longjmp case.
2599 // Since by its nature we may be coming from some other function to get
2600 // here, and we're using the stack frame for the containing function to
2601 // save/restore registers, we can't keep anything live in regs across
2602 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
2603 // when we get here from a longjmp(). We force everthing out of registers
2604 // except for our own input by listing the relevant registers in Defs. By
2605 // doing so, we also cause the prologue/epilogue code to actively preserve
2606 // all of the callee-saved resgisters, which is exactly what we want.
2607 // A constant value is passed in $val, and we use the location as a scratch.
2609 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, D0,
2610 D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15,
2611 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26, D27, D28, D29, D30,
2612 D31 ], hasSideEffects = 1, isBarrier = 1 in {
2613 def Int_eh_sjlj_setjmp : XI<(outs), (ins GPR:$src, GPR:$val),
2614 AddrModeNone, SizeSpecial, IndexModeNone,
2615 Pseudo, NoItinerary,
2616 "add\t$val, pc, #8\t${:comment} eh_setjmp begin\n\t"
2617 "str\t$val, [$src, #+4]\n\t"
2619 "add\tpc, pc, #0\n\t"
2620 "mov\tr0, #1 ${:comment} eh_setjmp end", "",
2621 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
2622 Requires<[IsARM, HasVFP2]>;
2626 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR ],
2627 hasSideEffects = 1, isBarrier = 1 in {
2628 def Int_eh_sjlj_setjmp_nofp : XI<(outs), (ins GPR:$src, GPR:$val),
2629 AddrModeNone, SizeSpecial, IndexModeNone,
2630 Pseudo, NoItinerary,
2631 "add\t$val, pc, #8\n ${:comment} eh_setjmp begin\n\t"
2632 "str\t$val, [$src, #+4]\n\t"
2634 "add\tpc, pc, #0\n\t"
2635 "mov\tr0, #1 ${:comment} eh_setjmp end", "",
2636 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
2637 Requires<[IsARM, NoVFP]>;
2640 // FIXME: Non-Darwin version(s)
2641 let isBarrier = 1, hasSideEffects = 1, isTerminator = 1,
2642 Defs = [ R7, LR, SP ] in {
2643 def Int_eh_sjlj_longjmp : XI<(outs), (ins GPR:$src, GPR:$scratch),
2644 AddrModeNone, SizeSpecial, IndexModeNone,
2645 Pseudo, NoItinerary,
2646 "ldr\tsp, [$src, #8]\n\t"
2647 "ldr\t$scratch, [$src, #4]\n\t"
2648 "ldr\tr7, [$src]\n\t"
2650 [(ARMeh_sjlj_longjmp GPR:$src, GPR:$scratch)]>,
2651 Requires<[IsARM, IsDarwin]>;
2654 //===----------------------------------------------------------------------===//
2655 // Non-Instruction Patterns
2658 // Large immediate handling.
2660 // Two piece so_imms.
2661 let isReMaterializable = 1 in
2662 def MOVi2pieces : AI1x2<(outs GPR:$dst), (ins so_imm2part:$src),
2664 "mov", "\t$dst, $src",
2665 [(set GPR:$dst, so_imm2part:$src)]>,
2666 Requires<[IsARM, NoV6T2]>;
2668 def : ARMPat<(or GPR:$LHS, so_imm2part:$RHS),
2669 (ORRri (ORRri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
2670 (so_imm2part_2 imm:$RHS))>;
2671 def : ARMPat<(xor GPR:$LHS, so_imm2part:$RHS),
2672 (EORri (EORri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
2673 (so_imm2part_2 imm:$RHS))>;
2674 def : ARMPat<(add GPR:$LHS, so_imm2part:$RHS),
2675 (ADDri (ADDri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
2676 (so_imm2part_2 imm:$RHS))>;
2677 def : ARMPat<(add GPR:$LHS, so_neg_imm2part:$RHS),
2678 (SUBri (SUBri GPR:$LHS, (so_neg_imm2part_1 imm:$RHS)),
2679 (so_neg_imm2part_2 imm:$RHS))>;
2681 // 32-bit immediate using movw + movt.
2682 // This is a single pseudo instruction, the benefit is that it can be remat'd
2683 // as a single unit instead of having to handle reg inputs.
2684 // FIXME: Remove this when we can do generalized remat.
2685 let isReMaterializable = 1 in
2686 def MOVi32imm : AI1x2<(outs GPR:$dst), (ins i32imm:$src), Pseudo, IIC_iMOVi,
2687 "movw", "\t$dst, ${src:lo16}\n\tmovt${p}\t$dst, ${src:hi16}",
2688 [(set GPR:$dst, (i32 imm:$src))]>,
2689 Requires<[IsARM, HasV6T2]>;
2691 // ConstantPool, GlobalAddress, and JumpTable
2692 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>,
2693 Requires<[IsARM, DontUseMovt]>;
2694 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
2695 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
2696 Requires<[IsARM, UseMovt]>;
2697 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
2698 (LEApcrelJT tjumptable:$dst, imm:$id)>;
2700 // TODO: add,sub,and, 3-instr forms?
2703 def : ARMPat<(ARMtcret tGPR:$dst),
2704 (TCRETURNri tGPR:$dst)>, Requires<[IsDarwin]>;
2706 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
2707 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
2709 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
2710 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
2712 def : ARMPat<(ARMtcret tGPR:$dst),
2713 (TCRETURNriND tGPR:$dst)>, Requires<[IsNotDarwin]>;
2715 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
2716 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
2718 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
2719 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
2722 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>,
2723 Requires<[IsARM, IsNotDarwin]>;
2724 def : ARMPat<(ARMcall texternalsym:$func), (BLr9 texternalsym:$func)>,
2725 Requires<[IsARM, IsDarwin]>;
2727 // zextload i1 -> zextload i8
2728 def : ARMPat<(zextloadi1 addrmode2:$addr), (LDRB addrmode2:$addr)>;
2730 // extload -> zextload
2731 def : ARMPat<(extloadi1 addrmode2:$addr), (LDRB addrmode2:$addr)>;
2732 def : ARMPat<(extloadi8 addrmode2:$addr), (LDRB addrmode2:$addr)>;
2733 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
2735 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
2736 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
2739 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
2740 (sra (shl GPR:$b, (i32 16)), (i32 16))),
2741 (SMULBB GPR:$a, GPR:$b)>;
2742 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
2743 (SMULBB GPR:$a, GPR:$b)>;
2744 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
2745 (sra GPR:$b, (i32 16))),
2746 (SMULBT GPR:$a, GPR:$b)>;
2747 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
2748 (SMULBT GPR:$a, GPR:$b)>;
2749 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
2750 (sra (shl GPR:$b, (i32 16)), (i32 16))),
2751 (SMULTB GPR:$a, GPR:$b)>;
2752 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
2753 (SMULTB GPR:$a, GPR:$b)>;
2754 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
2756 (SMULWB GPR:$a, GPR:$b)>;
2757 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
2758 (SMULWB GPR:$a, GPR:$b)>;
2760 def : ARMV5TEPat<(add GPR:$acc,
2761 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
2762 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
2763 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
2764 def : ARMV5TEPat<(add GPR:$acc,
2765 (mul sext_16_node:$a, sext_16_node:$b)),
2766 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
2767 def : ARMV5TEPat<(add GPR:$acc,
2768 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
2769 (sra GPR:$b, (i32 16)))),
2770 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
2771 def : ARMV5TEPat<(add GPR:$acc,
2772 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
2773 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
2774 def : ARMV5TEPat<(add GPR:$acc,
2775 (mul (sra GPR:$a, (i32 16)),
2776 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
2777 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
2778 def : ARMV5TEPat<(add GPR:$acc,
2779 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
2780 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
2781 def : ARMV5TEPat<(add GPR:$acc,
2782 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
2784 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
2785 def : ARMV5TEPat<(add GPR:$acc,
2786 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
2787 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
2789 //===----------------------------------------------------------------------===//
2793 include "ARMInstrThumb.td"
2795 //===----------------------------------------------------------------------===//
2799 include "ARMInstrThumb2.td"
2801 //===----------------------------------------------------------------------===//
2802 // Floating Point Support
2805 include "ARMInstrVFP.td"
2807 //===----------------------------------------------------------------------===//
2808 // Advanced SIMD (NEON) Support
2811 include "ARMInstrNEON.td"
2813 //===----------------------------------------------------------------------===//
2814 // Coprocessor Instructions. For disassembly only.
2817 def CDP : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2818 nohash_imm:$CRd, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2819 NoItinerary, "cdp", "\tp$cop, $opc1, cr$CRd, cr$CRn, cr$CRm, $opc2",
2820 [/* For disassembly only; pattern left blank */]> {
2824 def CDP2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2825 nohash_imm:$CRd, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2826 NoItinerary, "cdp2\tp$cop, $opc1, cr$CRd, cr$CRn, cr$CRm, $opc2",
2827 [/* For disassembly only; pattern left blank */]> {
2828 let Inst{31-28} = 0b1111;
2832 class ACI<dag oops, dag iops, string opc, string asm>
2833 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, BrFrm, NoItinerary,
2834 opc, asm, "", [/* For disassembly only; pattern left blank */]> {
2835 let Inst{27-25} = 0b110;
2838 multiclass LdStCop<bits<4> op31_28, bit load, string opc> {
2840 def _OFFSET : ACI<(outs),
2841 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
2842 opc, "\tp$cop, cr$CRd, $addr"> {
2843 let Inst{31-28} = op31_28;
2844 let Inst{24} = 1; // P = 1
2845 let Inst{21} = 0; // W = 0
2846 let Inst{22} = 0; // D = 0
2847 let Inst{20} = load;
2850 def _PRE : ACI<(outs),
2851 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
2852 opc, "\tp$cop, cr$CRd, $addr!"> {
2853 let Inst{31-28} = op31_28;
2854 let Inst{24} = 1; // P = 1
2855 let Inst{21} = 1; // W = 1
2856 let Inst{22} = 0; // D = 0
2857 let Inst{20} = load;
2860 def _POST : ACI<(outs),
2861 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
2862 opc, "\tp$cop, cr$CRd, [$base], $offset"> {
2863 let Inst{31-28} = op31_28;
2864 let Inst{24} = 0; // P = 0
2865 let Inst{21} = 1; // W = 1
2866 let Inst{22} = 0; // D = 0
2867 let Inst{20} = load;
2870 def _OPTION : ACI<(outs),
2871 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, i32imm:$option),
2872 opc, "\tp$cop, cr$CRd, [$base], $option"> {
2873 let Inst{31-28} = op31_28;
2874 let Inst{24} = 0; // P = 0
2875 let Inst{23} = 1; // U = 1
2876 let Inst{21} = 0; // W = 0
2877 let Inst{22} = 0; // D = 0
2878 let Inst{20} = load;
2881 def L_OFFSET : ACI<(outs),
2882 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
2883 !strconcat(opc, "l"), "\tp$cop, cr$CRd, $addr"> {
2884 let Inst{31-28} = op31_28;
2885 let Inst{24} = 1; // P = 1
2886 let Inst{21} = 0; // W = 0
2887 let Inst{22} = 1; // D = 1
2888 let Inst{20} = load;
2891 def L_PRE : ACI<(outs),
2892 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
2893 !strconcat(opc, "l"), "\tp$cop, cr$CRd, $addr!"> {
2894 let Inst{31-28} = op31_28;
2895 let Inst{24} = 1; // P = 1
2896 let Inst{21} = 1; // W = 1
2897 let Inst{22} = 1; // D = 1
2898 let Inst{20} = load;
2901 def L_POST : ACI<(outs),
2902 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
2903 !strconcat(opc, "l"), "\tp$cop, cr$CRd, [$base], $offset"> {
2904 let Inst{31-28} = op31_28;
2905 let Inst{24} = 0; // P = 0
2906 let Inst{21} = 1; // W = 1
2907 let Inst{22} = 1; // D = 1
2908 let Inst{20} = load;
2911 def L_OPTION : ACI<(outs),
2912 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, nohash_imm:$option),
2913 !strconcat(opc, "l"), "\tp$cop, cr$CRd, [$base], $option"> {
2914 let Inst{31-28} = op31_28;
2915 let Inst{24} = 0; // P = 0
2916 let Inst{23} = 1; // U = 1
2917 let Inst{21} = 0; // W = 0
2918 let Inst{22} = 1; // D = 1
2919 let Inst{20} = load;
2923 defm LDC : LdStCop<{?,?,?,?}, 1, "ldc">;
2924 defm LDC2 : LdStCop<0b1111, 1, "ldc2">;
2925 defm STC : LdStCop<{?,?,?,?}, 0, "stc">;
2926 defm STC2 : LdStCop<0b1111, 0, "stc2">;
2928 def MCR : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2929 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2930 NoItinerary, "mcr", "\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
2931 [/* For disassembly only; pattern left blank */]> {
2936 def MCR2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2937 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2938 NoItinerary, "mcr2\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
2939 [/* For disassembly only; pattern left blank */]> {
2940 let Inst{31-28} = 0b1111;
2945 def MRC : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2946 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2947 NoItinerary, "mrc", "\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
2948 [/* For disassembly only; pattern left blank */]> {
2953 def MRC2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2954 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2955 NoItinerary, "mrc2\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
2956 [/* For disassembly only; pattern left blank */]> {
2957 let Inst{31-28} = 0b1111;
2962 def MCRR : ABI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
2963 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
2964 NoItinerary, "mcrr", "\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
2965 [/* For disassembly only; pattern left blank */]> {
2966 let Inst{23-20} = 0b0100;
2969 def MCRR2 : ABXI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
2970 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
2971 NoItinerary, "mcrr2\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
2972 [/* For disassembly only; pattern left blank */]> {
2973 let Inst{31-28} = 0b1111;
2974 let Inst{23-20} = 0b0100;
2977 def MRRC : ABI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
2978 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
2979 NoItinerary, "mrrc", "\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
2980 [/* For disassembly only; pattern left blank */]> {
2981 let Inst{23-20} = 0b0101;
2984 def MRRC2 : ABXI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
2985 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
2986 NoItinerary, "mrrc2\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
2987 [/* For disassembly only; pattern left blank */]> {
2988 let Inst{31-28} = 0b1111;
2989 let Inst{23-20} = 0b0101;
2992 //===----------------------------------------------------------------------===//
2993 // Move between special register and ARM core register -- for disassembly only
2996 def MRS : ABI<0b0001,(outs GPR:$dst),(ins), NoItinerary, "mrs", "\t$dst, cpsr",
2997 [/* For disassembly only; pattern left blank */]> {
2998 let Inst{23-20} = 0b0000;
2999 let Inst{7-4} = 0b0000;
3002 def MRSsys : ABI<0b0001,(outs GPR:$dst),(ins), NoItinerary,"mrs","\t$dst, spsr",
3003 [/* For disassembly only; pattern left blank */]> {
3004 let Inst{23-20} = 0b0100;
3005 let Inst{7-4} = 0b0000;
3008 def MSR : ABI<0b0001, (outs), (ins GPR:$src, msr_mask:$mask), NoItinerary,
3009 "msr", "\tcpsr$mask, $src",
3010 [/* For disassembly only; pattern left blank */]> {
3011 let Inst{23-20} = 0b0010;
3012 let Inst{7-4} = 0b0000;
3015 def MSRi : ABI<0b0011, (outs), (ins so_imm:$a, msr_mask:$mask), NoItinerary,
3016 "msr", "\tcpsr$mask, $a",
3017 [/* For disassembly only; pattern left blank */]> {
3018 let Inst{23-20} = 0b0010;
3019 let Inst{7-4} = 0b0000;
3022 def MSRsys : ABI<0b0001, (outs), (ins GPR:$src, msr_mask:$mask), NoItinerary,
3023 "msr", "\tspsr$mask, $src",
3024 [/* For disassembly only; pattern left blank */]> {
3025 let Inst{23-20} = 0b0110;
3026 let Inst{7-4} = 0b0000;
3029 def MSRsysi : ABI<0b0011, (outs), (ins so_imm:$a, msr_mask:$mask), NoItinerary,
3030 "msr", "\tspsr$mask, $a",
3031 [/* For disassembly only; pattern left blank */]> {
3032 let Inst{23-20} = 0b0110;
3033 let Inst{7-4} = 0b0000;