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 tcGPR:$dst, variable_ops),
1049 "@TC_RETURN","\t$dst", []>, Requires<[IsDarwin]>;
1051 def TAILJMPd : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1052 IIC_Br, "b.w\t$dst @ TAILCALL",
1053 []>, Requires<[IsDarwin]>;
1055 def TAILJMPr : AXI<(outs), (ins tcGPR:$dst, variable_ops),
1056 BrMiscFrm, IIC_Br, "bx\t$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<[IsARM, IsNotDarwin]>;
1090 def TAILJMPdNDt : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1091 IIC_Br, "b.w\t$dst @ TAILCALL",
1092 []>, Requires<[IsThumb, IsNotDarwin]>;
1094 def TAILJMPrND : AXI<(outs), (ins tGPR:$dst, variable_ops),
1095 BrMiscFrm, IIC_Br, "bx\t$dst @ TAILCALL",
1096 []>, Requires<[IsNotDarwin]> {
1097 let Inst{7-4} = 0b0001;
1098 let Inst{19-8} = 0b111111111111;
1099 let Inst{27-20} = 0b00010010;
1100 let Inst{31-28} = 0b1110;
1103 // FIXME: This is a hack so that MCInst lowering can preserve the TAILCALL
1104 // marker on instructions, while still being able to relax.
1105 // let isCodeGenOnly = 1 in {
1106 // def TAILJMP_1ND : Ii8PCRel<0xEB, RawFrm, (outs), (ins brtarget8:$dst),
1107 // "jmp\t$dst @ TAILCALL", []>,
1108 // Requires<[IsARM, IsNotDarwin]>;
1112 let isBranch = 1, isTerminator = 1 in {
1113 // B is "predicable" since it can be xformed into a Bcc.
1114 let isBarrier = 1 in {
1115 let isPredicable = 1 in
1116 def B : ABXI<0b1010, (outs), (ins brtarget:$target), IIC_Br,
1117 "b\t$target", [(br bb:$target)]>;
1119 let isNotDuplicable = 1, isIndirectBranch = 1 in {
1120 def BR_JTr : JTI<(outs), (ins GPR:$target, jtblock_operand:$jt, i32imm:$id),
1121 IIC_Br, "mov\tpc, $target \n$jt",
1122 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]> {
1123 let Inst{11-4} = 0b00000000;
1124 let Inst{15-12} = 0b1111;
1125 let Inst{20} = 0; // S Bit
1126 let Inst{24-21} = 0b1101;
1127 let Inst{27-25} = 0b000;
1129 def BR_JTm : JTI<(outs),
1130 (ins addrmode2:$target, jtblock_operand:$jt, i32imm:$id),
1131 IIC_Br, "ldr\tpc, $target \n$jt",
1132 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
1134 let Inst{15-12} = 0b1111;
1135 let Inst{20} = 1; // L bit
1136 let Inst{21} = 0; // W bit
1137 let Inst{22} = 0; // B bit
1138 let Inst{24} = 1; // P bit
1139 let Inst{27-25} = 0b011;
1141 def BR_JTadd : JTI<(outs),
1142 (ins GPR:$target, GPR:$idx, jtblock_operand:$jt, i32imm:$id),
1143 IIC_Br, "add\tpc, $target, $idx \n$jt",
1144 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
1146 let Inst{15-12} = 0b1111;
1147 let Inst{20} = 0; // S bit
1148 let Inst{24-21} = 0b0100;
1149 let Inst{27-25} = 0b000;
1151 } // isNotDuplicable = 1, isIndirectBranch = 1
1154 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
1155 // a two-value operand where a dag node expects two operands. :(
1156 def Bcc : ABI<0b1010, (outs), (ins brtarget:$target),
1157 IIC_Br, "b", "\t$target",
1158 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]>;
1161 // Branch and Exchange Jazelle -- for disassembly only
1162 def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
1163 [/* For disassembly only; pattern left blank */]> {
1164 let Inst{23-20} = 0b0010;
1165 //let Inst{19-8} = 0xfff;
1166 let Inst{7-4} = 0b0010;
1169 // Secure Monitor Call is a system instruction -- for disassembly only
1170 def SMC : ABI<0b0001, (outs), (ins i32imm:$opt), NoItinerary, "smc", "\t$opt",
1171 [/* For disassembly only; pattern left blank */]> {
1172 let Inst{23-20} = 0b0110;
1173 let Inst{7-4} = 0b0111;
1176 // Supervisor Call (Software Interrupt) -- for disassembly only
1178 def SVC : ABI<0b1111, (outs), (ins i32imm:$svc), IIC_Br, "svc", "\t$svc",
1179 [/* For disassembly only; pattern left blank */]>;
1182 // Store Return State is a system instruction -- for disassembly only
1183 def SRSW : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, i32imm:$mode),
1184 NoItinerary, "srs${addr:submode}\tsp!, $mode",
1185 [/* For disassembly only; pattern left blank */]> {
1186 let Inst{31-28} = 0b1111;
1187 let Inst{22-20} = 0b110; // W = 1
1190 def SRS : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, i32imm:$mode),
1191 NoItinerary, "srs${addr:submode}\tsp, $mode",
1192 [/* For disassembly only; pattern left blank */]> {
1193 let Inst{31-28} = 0b1111;
1194 let Inst{22-20} = 0b100; // W = 0
1197 // Return From Exception is a system instruction -- for disassembly only
1198 def RFEW : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, GPR:$base),
1199 NoItinerary, "rfe${addr:submode}\t$base!",
1200 [/* For disassembly only; pattern left blank */]> {
1201 let Inst{31-28} = 0b1111;
1202 let Inst{22-20} = 0b011; // W = 1
1205 def RFE : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, GPR:$base),
1206 NoItinerary, "rfe${addr:submode}\t$base",
1207 [/* For disassembly only; pattern left blank */]> {
1208 let Inst{31-28} = 0b1111;
1209 let Inst{22-20} = 0b001; // W = 0
1212 //===----------------------------------------------------------------------===//
1213 // Load / store Instructions.
1217 let canFoldAsLoad = 1, isReMaterializable = 1 in
1218 def LDR : AI2ldw<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm, IIC_iLoadr,
1219 "ldr", "\t$dst, $addr",
1220 [(set GPR:$dst, (load addrmode2:$addr))]>;
1222 // Special LDR for loads from non-pc-relative constpools.
1223 let canFoldAsLoad = 1, mayLoad = 1, neverHasSideEffects = 1,
1224 isReMaterializable = 1 in
1225 def LDRcp : AI2ldw<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm, IIC_iLoadr,
1226 "ldr", "\t$dst, $addr", []>;
1228 // Loads with zero extension
1229 def LDRH : AI3ldh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
1230 IIC_iLoadr, "ldrh", "\t$dst, $addr",
1231 [(set GPR:$dst, (zextloadi16 addrmode3:$addr))]>;
1233 def LDRB : AI2ldb<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm,
1234 IIC_iLoadr, "ldrb", "\t$dst, $addr",
1235 [(set GPR:$dst, (zextloadi8 addrmode2:$addr))]>;
1237 // Loads with sign extension
1238 def LDRSH : AI3ldsh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
1239 IIC_iLoadr, "ldrsh", "\t$dst, $addr",
1240 [(set GPR:$dst, (sextloadi16 addrmode3:$addr))]>;
1242 def LDRSB : AI3ldsb<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
1243 IIC_iLoadr, "ldrsb", "\t$dst, $addr",
1244 [(set GPR:$dst, (sextloadi8 addrmode3:$addr))]>;
1246 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1 in {
1248 def LDRD : AI3ldd<(outs GPR:$dst1, GPR:$dst2), (ins addrmode3:$addr), LdMiscFrm,
1249 IIC_iLoadr, "ldrd", "\t$dst1, $addr",
1250 []>, Requires<[IsARM, HasV5TE]>;
1253 def LDR_PRE : AI2ldwpr<(outs GPR:$dst, GPR:$base_wb),
1254 (ins addrmode2:$addr), LdFrm, IIC_iLoadru,
1255 "ldr", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1257 def LDR_POST : AI2ldwpo<(outs GPR:$dst, GPR:$base_wb),
1258 (ins GPR:$base, am2offset:$offset), LdFrm, IIC_iLoadru,
1259 "ldr", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1261 def LDRH_PRE : AI3ldhpr<(outs GPR:$dst, GPR:$base_wb),
1262 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadru,
1263 "ldrh", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1265 def LDRH_POST : AI3ldhpo<(outs GPR:$dst, GPR:$base_wb),
1266 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1267 "ldrh", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1269 def LDRB_PRE : AI2ldbpr<(outs GPR:$dst, GPR:$base_wb),
1270 (ins addrmode2:$addr), LdFrm, IIC_iLoadru,
1271 "ldrb", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1273 def LDRB_POST : AI2ldbpo<(outs GPR:$dst, GPR:$base_wb),
1274 (ins GPR:$base,am2offset:$offset), LdFrm, IIC_iLoadru,
1275 "ldrb", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1277 def LDRSH_PRE : AI3ldshpr<(outs GPR:$dst, GPR:$base_wb),
1278 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadru,
1279 "ldrsh", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1281 def LDRSH_POST: AI3ldshpo<(outs GPR:$dst, GPR:$base_wb),
1282 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1283 "ldrsh", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1285 def LDRSB_PRE : AI3ldsbpr<(outs GPR:$dst, GPR:$base_wb),
1286 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadru,
1287 "ldrsb", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1289 def LDRSB_POST: AI3ldsbpo<(outs GPR:$dst, GPR:$base_wb),
1290 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1291 "ldrsb", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1293 // For disassembly only
1294 def LDRD_PRE : AI3lddpr<(outs GPR:$dst1, GPR:$dst2, GPR:$base_wb),
1295 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadr,
1296 "ldrd", "\t$dst1, $dst2, $addr!", "$addr.base = $base_wb", []>,
1297 Requires<[IsARM, HasV5TE]>;
1299 // For disassembly only
1300 def LDRD_POST : AI3lddpo<(outs GPR:$dst1, GPR:$dst2, GPR:$base_wb),
1301 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadr,
1302 "ldrd", "\t$dst1, $dst2, [$base], $offset", "$base = $base_wb", []>,
1303 Requires<[IsARM, HasV5TE]>;
1305 } // mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1
1307 // LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT are for disassembly only.
1309 def LDRT : AI2ldwpo<(outs GPR:$dst, GPR:$base_wb),
1310 (ins GPR:$base, am2offset:$offset), LdFrm, IIC_iLoadru,
1311 "ldrt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1312 let Inst{21} = 1; // overwrite
1315 def LDRBT : AI2ldbpo<(outs GPR:$dst, GPR:$base_wb),
1316 (ins GPR:$base,am2offset:$offset), LdFrm, IIC_iLoadru,
1317 "ldrbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1318 let Inst{21} = 1; // overwrite
1321 def LDRSBT : AI3ldsbpo<(outs GPR:$dst, GPR:$base_wb),
1322 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1323 "ldrsbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1324 let Inst{21} = 1; // overwrite
1327 def LDRHT : AI3ldhpo<(outs GPR:$dst, GPR:$base_wb),
1328 (ins GPR:$base, am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1329 "ldrht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1330 let Inst{21} = 1; // overwrite
1333 def LDRSHT : AI3ldshpo<(outs GPR:$dst, GPR:$base_wb),
1334 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1335 "ldrsht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1336 let Inst{21} = 1; // overwrite
1340 def STR : AI2stw<(outs), (ins GPR:$src, addrmode2:$addr), StFrm, IIC_iStorer,
1341 "str", "\t$src, $addr",
1342 [(store GPR:$src, addrmode2:$addr)]>;
1344 // Stores with truncate
1345 def STRH : AI3sth<(outs), (ins GPR:$src, addrmode3:$addr), StMiscFrm,
1346 IIC_iStorer, "strh", "\t$src, $addr",
1347 [(truncstorei16 GPR:$src, addrmode3:$addr)]>;
1349 def STRB : AI2stb<(outs), (ins GPR:$src, addrmode2:$addr), StFrm, IIC_iStorer,
1350 "strb", "\t$src, $addr",
1351 [(truncstorei8 GPR:$src, addrmode2:$addr)]>;
1354 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in
1355 def STRD : AI3std<(outs), (ins GPR:$src1, GPR:$src2, addrmode3:$addr),
1356 StMiscFrm, IIC_iStorer,
1357 "strd", "\t$src1, $addr", []>, Requires<[IsARM, HasV5TE]>;
1360 def STR_PRE : AI2stwpr<(outs GPR:$base_wb),
1361 (ins GPR:$src, GPR:$base, am2offset:$offset),
1362 StFrm, IIC_iStoreru,
1363 "str", "\t$src, [$base, $offset]!", "$base = $base_wb",
1365 (pre_store GPR:$src, GPR:$base, am2offset:$offset))]>;
1367 def STR_POST : AI2stwpo<(outs GPR:$base_wb),
1368 (ins GPR:$src, GPR:$base,am2offset:$offset),
1369 StFrm, IIC_iStoreru,
1370 "str", "\t$src, [$base], $offset", "$base = $base_wb",
1372 (post_store GPR:$src, GPR:$base, am2offset:$offset))]>;
1374 def STRH_PRE : AI3sthpr<(outs GPR:$base_wb),
1375 (ins GPR:$src, GPR:$base,am3offset:$offset),
1376 StMiscFrm, IIC_iStoreru,
1377 "strh", "\t$src, [$base, $offset]!", "$base = $base_wb",
1379 (pre_truncsti16 GPR:$src, GPR:$base,am3offset:$offset))]>;
1381 def STRH_POST: AI3sthpo<(outs GPR:$base_wb),
1382 (ins GPR:$src, GPR:$base,am3offset:$offset),
1383 StMiscFrm, IIC_iStoreru,
1384 "strh", "\t$src, [$base], $offset", "$base = $base_wb",
1385 [(set GPR:$base_wb, (post_truncsti16 GPR:$src,
1386 GPR:$base, am3offset:$offset))]>;
1388 def STRB_PRE : AI2stbpr<(outs GPR:$base_wb),
1389 (ins GPR:$src, GPR:$base,am2offset:$offset),
1390 StFrm, IIC_iStoreru,
1391 "strb", "\t$src, [$base, $offset]!", "$base = $base_wb",
1392 [(set GPR:$base_wb, (pre_truncsti8 GPR:$src,
1393 GPR:$base, am2offset:$offset))]>;
1395 def STRB_POST: AI2stbpo<(outs GPR:$base_wb),
1396 (ins GPR:$src, GPR:$base,am2offset:$offset),
1397 StFrm, IIC_iStoreru,
1398 "strb", "\t$src, [$base], $offset", "$base = $base_wb",
1399 [(set GPR:$base_wb, (post_truncsti8 GPR:$src,
1400 GPR:$base, am2offset:$offset))]>;
1402 // For disassembly only
1403 def STRD_PRE : AI3stdpr<(outs GPR:$base_wb),
1404 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1405 StMiscFrm, IIC_iStoreru,
1406 "strd", "\t$src1, $src2, [$base, $offset]!",
1407 "$base = $base_wb", []>;
1409 // For disassembly only
1410 def STRD_POST: AI3stdpo<(outs GPR:$base_wb),
1411 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1412 StMiscFrm, IIC_iStoreru,
1413 "strd", "\t$src1, $src2, [$base], $offset",
1414 "$base = $base_wb", []>;
1416 // STRT, STRBT, and STRHT are for disassembly only.
1418 def STRT : AI2stwpo<(outs GPR:$base_wb),
1419 (ins GPR:$src, GPR:$base,am2offset:$offset),
1420 StFrm, IIC_iStoreru,
1421 "strt", "\t$src, [$base], $offset", "$base = $base_wb",
1422 [/* For disassembly only; pattern left blank */]> {
1423 let Inst{21} = 1; // overwrite
1426 def STRBT : AI2stbpo<(outs GPR:$base_wb),
1427 (ins GPR:$src, GPR:$base,am2offset:$offset),
1428 StFrm, IIC_iStoreru,
1429 "strbt", "\t$src, [$base], $offset", "$base = $base_wb",
1430 [/* For disassembly only; pattern left blank */]> {
1431 let Inst{21} = 1; // overwrite
1434 def STRHT: AI3sthpo<(outs GPR:$base_wb),
1435 (ins GPR:$src, GPR:$base,am3offset:$offset),
1436 StMiscFrm, IIC_iStoreru,
1437 "strht", "\t$src, [$base], $offset", "$base = $base_wb",
1438 [/* For disassembly only; pattern left blank */]> {
1439 let Inst{21} = 1; // overwrite
1442 //===----------------------------------------------------------------------===//
1443 // Load / store multiple Instructions.
1446 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1 in {
1447 def LDM : AXI4ld<(outs), (ins addrmode4:$addr, pred:$p,
1448 reglist:$dsts, variable_ops),
1449 IndexModeNone, LdStMulFrm, IIC_iLoadm,
1450 "ldm${addr:submode}${p}\t$addr, $dsts", "", []>;
1452 def LDM_UPD : AXI4ld<(outs GPR:$wb), (ins addrmode4:$addr, pred:$p,
1453 reglist:$dsts, variable_ops),
1454 IndexModeUpd, LdStMulFrm, IIC_iLoadm,
1455 "ldm${addr:submode}${p}\t$addr!, $dsts",
1456 "$addr.addr = $wb", []>;
1457 } // mayLoad, neverHasSideEffects, hasExtraDefRegAllocReq
1459 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in {
1460 def STM : AXI4st<(outs), (ins addrmode4:$addr, pred:$p,
1461 reglist:$srcs, variable_ops),
1462 IndexModeNone, LdStMulFrm, IIC_iStorem,
1463 "stm${addr:submode}${p}\t$addr, $srcs", "", []>;
1465 def STM_UPD : AXI4st<(outs GPR:$wb), (ins addrmode4:$addr, pred:$p,
1466 reglist:$srcs, variable_ops),
1467 IndexModeUpd, LdStMulFrm, IIC_iStorem,
1468 "stm${addr:submode}${p}\t$addr!, $srcs",
1469 "$addr.addr = $wb", []>;
1470 } // mayStore, neverHasSideEffects, hasExtraSrcRegAllocReq
1472 //===----------------------------------------------------------------------===//
1473 // Move Instructions.
1476 let neverHasSideEffects = 1 in
1477 def MOVr : AsI1<0b1101, (outs GPR:$dst), (ins GPR:$src), DPFrm, IIC_iMOVr,
1478 "mov", "\t$dst, $src", []>, UnaryDP {
1479 let Inst{11-4} = 0b00000000;
1483 // A version for the smaller set of tail call registers.
1484 let neverHasSideEffects = 1 in
1485 def MOVr_TC : AsI1<0b1101, (outs tcGPR:$dst), (ins tcGPR:$src), DPFrm,
1486 IIC_iMOVr, "mov", "\t$dst, $src", []>, UnaryDP {
1487 let Inst{11-4} = 0b00000000;
1491 def MOVs : AsI1<0b1101, (outs GPR:$dst), (ins so_reg:$src),
1492 DPSoRegFrm, IIC_iMOVsr,
1493 "mov", "\t$dst, $src", [(set GPR:$dst, so_reg:$src)]>, UnaryDP {
1497 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
1498 def MOVi : AsI1<0b1101, (outs GPR:$dst), (ins so_imm:$src), DPFrm, IIC_iMOVi,
1499 "mov", "\t$dst, $src", [(set GPR:$dst, so_imm:$src)]>, UnaryDP {
1503 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
1504 def MOVi16 : AI1<0b1000, (outs GPR:$dst), (ins i32imm:$src),
1506 "movw", "\t$dst, $src",
1507 [(set GPR:$dst, imm0_65535:$src)]>,
1508 Requires<[IsARM, HasV6T2]>, UnaryDP {
1513 let Constraints = "$src = $dst" in
1514 def MOVTi16 : AI1<0b1010, (outs GPR:$dst), (ins GPR:$src, i32imm:$imm),
1516 "movt", "\t$dst, $imm",
1518 (or (and GPR:$src, 0xffff),
1519 lo16AllZero:$imm))]>, UnaryDP,
1520 Requires<[IsARM, HasV6T2]> {
1525 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
1526 Requires<[IsARM, HasV6T2]>;
1528 let Uses = [CPSR] in
1529 def MOVrx : AsI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo, IIC_iMOVsi,
1530 "mov", "\t$dst, $src, rrx",
1531 [(set GPR:$dst, (ARMrrx GPR:$src))]>, UnaryDP;
1533 // These aren't really mov instructions, but we have to define them this way
1534 // due to flag operands.
1536 let Defs = [CPSR] in {
1537 def MOVsrl_flag : AI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo,
1538 IIC_iMOVsi, "movs", "\t$dst, $src, lsr #1",
1539 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP;
1540 def MOVsra_flag : AI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo,
1541 IIC_iMOVsi, "movs", "\t$dst, $src, asr #1",
1542 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP;
1545 //===----------------------------------------------------------------------===//
1546 // Extend Instructions.
1551 defm SXTB : AI_unary_rrot<0b01101010,
1552 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
1553 defm SXTH : AI_unary_rrot<0b01101011,
1554 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
1556 defm SXTAB : AI_bin_rrot<0b01101010,
1557 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
1558 defm SXTAH : AI_bin_rrot<0b01101011,
1559 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
1561 // For disassembly only
1562 defm SXTB16 : AI_unary_rrot_np<0b01101000, "sxtb16">;
1564 // For disassembly only
1565 defm SXTAB16 : AI_bin_rrot_np<0b01101000, "sxtab16">;
1569 let AddedComplexity = 16 in {
1570 defm UXTB : AI_unary_rrot<0b01101110,
1571 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
1572 defm UXTH : AI_unary_rrot<0b01101111,
1573 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
1574 defm UXTB16 : AI_unary_rrot<0b01101100,
1575 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
1577 def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
1578 (UXTB16r_rot GPR:$Src, 24)>;
1579 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
1580 (UXTB16r_rot GPR:$Src, 8)>;
1582 defm UXTAB : AI_bin_rrot<0b01101110, "uxtab",
1583 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
1584 defm UXTAH : AI_bin_rrot<0b01101111, "uxtah",
1585 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
1588 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
1589 // For disassembly only
1590 defm UXTAB16 : AI_bin_rrot_np<0b01101100, "uxtab16">;
1593 def SBFX : I<(outs GPR:$dst),
1594 (ins GPR:$src, imm0_31:$lsb, imm0_31:$width),
1595 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iALUi,
1596 "sbfx", "\t$dst, $src, $lsb, $width", "", []>,
1597 Requires<[IsARM, HasV6T2]> {
1598 let Inst{27-21} = 0b0111101;
1599 let Inst{6-4} = 0b101;
1602 def UBFX : I<(outs GPR:$dst),
1603 (ins GPR:$src, imm0_31:$lsb, imm0_31:$width),
1604 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iALUi,
1605 "ubfx", "\t$dst, $src, $lsb, $width", "", []>,
1606 Requires<[IsARM, HasV6T2]> {
1607 let Inst{27-21} = 0b0111111;
1608 let Inst{6-4} = 0b101;
1611 //===----------------------------------------------------------------------===//
1612 // Arithmetic Instructions.
1615 defm ADD : AsI1_bin_irs<0b0100, "add",
1616 BinOpFrag<(add node:$LHS, node:$RHS)>, 1>;
1617 defm SUB : AsI1_bin_irs<0b0010, "sub",
1618 BinOpFrag<(sub node:$LHS, node:$RHS)>>;
1620 // ADD and SUB with 's' bit set.
1621 defm ADDS : AI1_bin_s_irs<0b0100, "adds",
1622 BinOpFrag<(addc node:$LHS, node:$RHS)>, 1>;
1623 defm SUBS : AI1_bin_s_irs<0b0010, "subs",
1624 BinOpFrag<(subc node:$LHS, node:$RHS)>>;
1626 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
1627 BinOpFrag<(adde_dead_carry node:$LHS, node:$RHS)>, 1>;
1628 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
1629 BinOpFrag<(sube_dead_carry node:$LHS, node:$RHS)>>;
1630 defm ADCS : AI1_adde_sube_s_irs<0b0101, "adcs",
1631 BinOpFrag<(adde_live_carry node:$LHS, node:$RHS)>, 1>;
1632 defm SBCS : AI1_adde_sube_s_irs<0b0110, "sbcs",
1633 BinOpFrag<(sube_live_carry node:$LHS, node:$RHS) >>;
1635 // These don't define reg/reg forms, because they are handled above.
1636 def RSBri : AsI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
1637 IIC_iALUi, "rsb", "\t$dst, $a, $b",
1638 [(set GPR:$dst, (sub so_imm:$b, GPR:$a))]> {
1642 def RSBrs : AsI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
1643 IIC_iALUsr, "rsb", "\t$dst, $a, $b",
1644 [(set GPR:$dst, (sub so_reg:$b, GPR:$a))]> {
1648 // RSB with 's' bit set.
1649 let Defs = [CPSR] in {
1650 def RSBSri : AI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
1651 IIC_iALUi, "rsbs", "\t$dst, $a, $b",
1652 [(set GPR:$dst, (subc so_imm:$b, GPR:$a))]> {
1656 def RSBSrs : AI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
1657 IIC_iALUsr, "rsbs", "\t$dst, $a, $b",
1658 [(set GPR:$dst, (subc so_reg:$b, GPR:$a))]> {
1664 let Uses = [CPSR] in {
1665 def RSCri : AsI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
1666 DPFrm, IIC_iALUi, "rsc", "\t$dst, $a, $b",
1667 [(set GPR:$dst, (sube_dead_carry so_imm:$b, GPR:$a))]>,
1671 def RSCrs : AsI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
1672 DPSoRegFrm, IIC_iALUsr, "rsc", "\t$dst, $a, $b",
1673 [(set GPR:$dst, (sube_dead_carry so_reg:$b, GPR:$a))]>,
1679 // FIXME: Allow these to be predicated.
1680 let Defs = [CPSR], Uses = [CPSR] in {
1681 def RSCSri : AXI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
1682 DPFrm, IIC_iALUi, "rscs\t$dst, $a, $b",
1683 [(set GPR:$dst, (sube_dead_carry so_imm:$b, GPR:$a))]>,
1688 def RSCSrs : AXI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
1689 DPSoRegFrm, IIC_iALUsr, "rscs\t$dst, $a, $b",
1690 [(set GPR:$dst, (sube_dead_carry so_reg:$b, GPR:$a))]>,
1697 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
1698 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
1699 (SUBri GPR:$src, so_imm_neg:$imm)>;
1701 //def : ARMPat<(addc GPR:$src, so_imm_neg:$imm),
1702 // (SUBSri GPR:$src, so_imm_neg:$imm)>;
1703 //def : ARMPat<(adde GPR:$src, so_imm_neg:$imm),
1704 // (SBCri GPR:$src, so_imm_neg:$imm)>;
1706 // Note: These are implemented in C++ code, because they have to generate
1707 // ADD/SUBrs instructions, which use a complex pattern that a xform function
1709 // (mul X, 2^n+1) -> (add (X << n), X)
1710 // (mul X, 2^n-1) -> (rsb X, (X << n))
1712 // ARM Arithmetic Instruction -- for disassembly only
1713 // GPR:$dst = GPR:$a op GPR:$b
1714 class AAI<bits<8> op27_20, bits<4> op7_4, string opc>
1715 : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm, IIC_iALUr,
1716 opc, "\t$dst, $a, $b",
1717 [/* For disassembly only; pattern left blank */]> {
1718 let Inst{27-20} = op27_20;
1719 let Inst{7-4} = op7_4;
1722 // Saturating add/subtract -- for disassembly only
1724 def QADD : AAI<0b00010000, 0b0101, "qadd">;
1725 def QADD16 : AAI<0b01100010, 0b0001, "qadd16">;
1726 def QADD8 : AAI<0b01100010, 0b1001, "qadd8">;
1727 def QASX : AAI<0b01100010, 0b0011, "qasx">;
1728 def QDADD : AAI<0b00010100, 0b0101, "qdadd">;
1729 def QDSUB : AAI<0b00010110, 0b0101, "qdsub">;
1730 def QSAX : AAI<0b01100010, 0b0101, "qsax">;
1731 def QSUB : AAI<0b00010010, 0b0101, "qsub">;
1732 def QSUB16 : AAI<0b01100010, 0b0111, "qsub16">;
1733 def QSUB8 : AAI<0b01100010, 0b1111, "qsub8">;
1734 def UQADD16 : AAI<0b01100110, 0b0001, "uqadd16">;
1735 def UQADD8 : AAI<0b01100110, 0b1001, "uqadd8">;
1736 def UQASX : AAI<0b01100110, 0b0011, "uqasx">;
1737 def UQSAX : AAI<0b01100110, 0b0101, "uqsax">;
1738 def UQSUB16 : AAI<0b01100110, 0b0111, "uqsub16">;
1739 def UQSUB8 : AAI<0b01100110, 0b1111, "uqsub8">;
1741 // Signed/Unsigned add/subtract -- for disassembly only
1743 def SASX : AAI<0b01100001, 0b0011, "sasx">;
1744 def SADD16 : AAI<0b01100001, 0b0001, "sadd16">;
1745 def SADD8 : AAI<0b01100001, 0b1001, "sadd8">;
1746 def SSAX : AAI<0b01100001, 0b0101, "ssax">;
1747 def SSUB16 : AAI<0b01100001, 0b0111, "ssub16">;
1748 def SSUB8 : AAI<0b01100001, 0b1111, "ssub8">;
1749 def UASX : AAI<0b01100101, 0b0011, "uasx">;
1750 def UADD16 : AAI<0b01100101, 0b0001, "uadd16">;
1751 def UADD8 : AAI<0b01100101, 0b1001, "uadd8">;
1752 def USAX : AAI<0b01100101, 0b0101, "usax">;
1753 def USUB16 : AAI<0b01100101, 0b0111, "usub16">;
1754 def USUB8 : AAI<0b01100101, 0b1111, "usub8">;
1756 // Signed/Unsigned halving add/subtract -- for disassembly only
1758 def SHASX : AAI<0b01100011, 0b0011, "shasx">;
1759 def SHADD16 : AAI<0b01100011, 0b0001, "shadd16">;
1760 def SHADD8 : AAI<0b01100011, 0b1001, "shadd8">;
1761 def SHSAX : AAI<0b01100011, 0b0101, "shsax">;
1762 def SHSUB16 : AAI<0b01100011, 0b0111, "shsub16">;
1763 def SHSUB8 : AAI<0b01100011, 0b1111, "shsub8">;
1764 def UHASX : AAI<0b01100111, 0b0011, "uhasx">;
1765 def UHADD16 : AAI<0b01100111, 0b0001, "uhadd16">;
1766 def UHADD8 : AAI<0b01100111, 0b1001, "uhadd8">;
1767 def UHSAX : AAI<0b01100111, 0b0101, "uhsax">;
1768 def UHSUB16 : AAI<0b01100111, 0b0111, "uhsub16">;
1769 def UHSUB8 : AAI<0b01100111, 0b1111, "uhsub8">;
1771 // Unsigned Sum of Absolute Differences [and Accumulate] -- for disassembly only
1773 def USAD8 : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b),
1774 MulFrm /* for convenience */, NoItinerary, "usad8",
1775 "\t$dst, $a, $b", []>,
1776 Requires<[IsARM, HasV6]> {
1777 let Inst{27-20} = 0b01111000;
1778 let Inst{15-12} = 0b1111;
1779 let Inst{7-4} = 0b0001;
1781 def USADA8 : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1782 MulFrm /* for convenience */, NoItinerary, "usada8",
1783 "\t$dst, $a, $b, $acc", []>,
1784 Requires<[IsARM, HasV6]> {
1785 let Inst{27-20} = 0b01111000;
1786 let Inst{7-4} = 0b0001;
1789 // Signed/Unsigned saturate -- for disassembly only
1791 def SSATlsl : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a, i32imm:$shamt),
1792 DPFrm, NoItinerary, "ssat", "\t$dst, $bit_pos, $a, lsl $shamt",
1793 [/* For disassembly only; pattern left blank */]> {
1794 let Inst{27-21} = 0b0110101;
1795 let Inst{6-4} = 0b001;
1798 def SSATasr : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a, i32imm:$shamt),
1799 DPFrm, NoItinerary, "ssat", "\t$dst, $bit_pos, $a, asr $shamt",
1800 [/* For disassembly only; pattern left blank */]> {
1801 let Inst{27-21} = 0b0110101;
1802 let Inst{6-4} = 0b101;
1805 def SSAT16 : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a), DPFrm,
1806 NoItinerary, "ssat16", "\t$dst, $bit_pos, $a",
1807 [/* For disassembly only; pattern left blank */]> {
1808 let Inst{27-20} = 0b01101010;
1809 let Inst{7-4} = 0b0011;
1812 def USATlsl : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a, i32imm:$shamt),
1813 DPFrm, NoItinerary, "usat", "\t$dst, $bit_pos, $a, lsl $shamt",
1814 [/* For disassembly only; pattern left blank */]> {
1815 let Inst{27-21} = 0b0110111;
1816 let Inst{6-4} = 0b001;
1819 def USATasr : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a, i32imm:$shamt),
1820 DPFrm, NoItinerary, "usat", "\t$dst, $bit_pos, $a, asr $shamt",
1821 [/* For disassembly only; pattern left blank */]> {
1822 let Inst{27-21} = 0b0110111;
1823 let Inst{6-4} = 0b101;
1826 def USAT16 : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a), DPFrm,
1827 NoItinerary, "usat16", "\t$dst, $bit_pos, $a",
1828 [/* For disassembly only; pattern left blank */]> {
1829 let Inst{27-20} = 0b01101110;
1830 let Inst{7-4} = 0b0011;
1833 //===----------------------------------------------------------------------===//
1834 // Bitwise Instructions.
1837 defm AND : AsI1_bin_irs<0b0000, "and",
1838 BinOpFrag<(and node:$LHS, node:$RHS)>, 1>;
1839 defm ORR : AsI1_bin_irs<0b1100, "orr",
1840 BinOpFrag<(or node:$LHS, node:$RHS)>, 1>;
1841 defm EOR : AsI1_bin_irs<0b0001, "eor",
1842 BinOpFrag<(xor node:$LHS, node:$RHS)>, 1>;
1843 defm BIC : AsI1_bin_irs<0b1110, "bic",
1844 BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
1846 def BFC : I<(outs GPR:$dst), (ins GPR:$src, bf_inv_mask_imm:$imm),
1847 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
1848 "bfc", "\t$dst, $imm", "$src = $dst",
1849 [(set GPR:$dst, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
1850 Requires<[IsARM, HasV6T2]> {
1851 let Inst{27-21} = 0b0111110;
1852 let Inst{6-0} = 0b0011111;
1855 // A8.6.18 BFI - Bitfield insert (Encoding A1)
1856 // Added for disassembler with the pattern field purposely left blank.
1857 def BFI : I<(outs GPR:$dst), (ins GPR:$src, bf_inv_mask_imm:$imm),
1858 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
1859 "bfi", "\t$dst, $src, $imm", "",
1860 [/* For disassembly only; pattern left blank */]>,
1861 Requires<[IsARM, HasV6T2]> {
1862 let Inst{27-21} = 0b0111110;
1863 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
1866 def MVNr : AsI1<0b1111, (outs GPR:$dst), (ins GPR:$src), DPFrm, IIC_iMOVr,
1867 "mvn", "\t$dst, $src",
1868 [(set GPR:$dst, (not GPR:$src))]>, UnaryDP {
1870 let Inst{11-4} = 0b00000000;
1872 def MVNs : AsI1<0b1111, (outs GPR:$dst), (ins so_reg:$src), DPSoRegFrm,
1873 IIC_iMOVsr, "mvn", "\t$dst, $src",
1874 [(set GPR:$dst, (not so_reg:$src))]>, UnaryDP {
1877 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
1878 def MVNi : AsI1<0b1111, (outs GPR:$dst), (ins so_imm:$imm), DPFrm,
1879 IIC_iMOVi, "mvn", "\t$dst, $imm",
1880 [(set GPR:$dst, so_imm_not:$imm)]>,UnaryDP {
1884 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
1885 (BICri GPR:$src, so_imm_not:$imm)>;
1887 //===----------------------------------------------------------------------===//
1888 // Multiply Instructions.
1891 let isCommutable = 1 in
1892 def MUL : AsMul1I<0b0000000, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1893 IIC_iMUL32, "mul", "\t$dst, $a, $b",
1894 [(set GPR:$dst, (mul GPR:$a, GPR:$b))]>;
1896 def MLA : AsMul1I<0b0000001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1897 IIC_iMAC32, "mla", "\t$dst, $a, $b, $c",
1898 [(set GPR:$dst, (add (mul GPR:$a, GPR:$b), GPR:$c))]>;
1900 def MLS : AMul1I<0b0000011, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1901 IIC_iMAC32, "mls", "\t$dst, $a, $b, $c",
1902 [(set GPR:$dst, (sub GPR:$c, (mul GPR:$a, GPR:$b)))]>,
1903 Requires<[IsARM, HasV6T2]>;
1905 // Extra precision multiplies with low / high results
1906 let neverHasSideEffects = 1 in {
1907 let isCommutable = 1 in {
1908 def SMULL : AsMul1I<0b0000110, (outs GPR:$ldst, GPR:$hdst),
1909 (ins GPR:$a, GPR:$b), IIC_iMUL64,
1910 "smull", "\t$ldst, $hdst, $a, $b", []>;
1912 def UMULL : AsMul1I<0b0000100, (outs GPR:$ldst, GPR:$hdst),
1913 (ins GPR:$a, GPR:$b), IIC_iMUL64,
1914 "umull", "\t$ldst, $hdst, $a, $b", []>;
1917 // Multiply + accumulate
1918 def SMLAL : AsMul1I<0b0000111, (outs GPR:$ldst, GPR:$hdst),
1919 (ins GPR:$a, GPR:$b), IIC_iMAC64,
1920 "smlal", "\t$ldst, $hdst, $a, $b", []>;
1922 def UMLAL : AsMul1I<0b0000101, (outs GPR:$ldst, GPR:$hdst),
1923 (ins GPR:$a, GPR:$b), IIC_iMAC64,
1924 "umlal", "\t$ldst, $hdst, $a, $b", []>;
1926 def UMAAL : AMul1I <0b0000010, (outs GPR:$ldst, GPR:$hdst),
1927 (ins GPR:$a, GPR:$b), IIC_iMAC64,
1928 "umaal", "\t$ldst, $hdst, $a, $b", []>,
1929 Requires<[IsARM, HasV6]>;
1930 } // neverHasSideEffects
1932 // Most significant word multiply
1933 def SMMUL : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1934 IIC_iMUL32, "smmul", "\t$dst, $a, $b",
1935 [(set GPR:$dst, (mulhs GPR:$a, GPR:$b))]>,
1936 Requires<[IsARM, HasV6]> {
1937 let Inst{7-4} = 0b0001;
1938 let Inst{15-12} = 0b1111;
1941 def SMMULR : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1942 IIC_iMUL32, "smmulr", "\t$dst, $a, $b",
1943 [/* For disassembly only; pattern left blank */]>,
1944 Requires<[IsARM, HasV6]> {
1945 let Inst{7-4} = 0b0011; // R = 1
1946 let Inst{15-12} = 0b1111;
1949 def SMMLA : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1950 IIC_iMAC32, "smmla", "\t$dst, $a, $b, $c",
1951 [(set GPR:$dst, (add (mulhs GPR:$a, GPR:$b), GPR:$c))]>,
1952 Requires<[IsARM, HasV6]> {
1953 let Inst{7-4} = 0b0001;
1956 def SMMLAR : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1957 IIC_iMAC32, "smmlar", "\t$dst, $a, $b, $c",
1958 [/* For disassembly only; pattern left blank */]>,
1959 Requires<[IsARM, HasV6]> {
1960 let Inst{7-4} = 0b0011; // R = 1
1963 def SMMLS : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1964 IIC_iMAC32, "smmls", "\t$dst, $a, $b, $c",
1965 [(set GPR:$dst, (sub GPR:$c, (mulhs GPR:$a, GPR:$b)))]>,
1966 Requires<[IsARM, HasV6]> {
1967 let Inst{7-4} = 0b1101;
1970 def SMMLSR : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1971 IIC_iMAC32, "smmlsr", "\t$dst, $a, $b, $c",
1972 [/* For disassembly only; pattern left blank */]>,
1973 Requires<[IsARM, HasV6]> {
1974 let Inst{7-4} = 0b1111; // R = 1
1977 multiclass AI_smul<string opc, PatFrag opnode> {
1978 def BB : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1979 IIC_iMUL32, !strconcat(opc, "bb"), "\t$dst, $a, $b",
1980 [(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16),
1981 (sext_inreg GPR:$b, i16)))]>,
1982 Requires<[IsARM, HasV5TE]> {
1987 def BT : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1988 IIC_iMUL32, !strconcat(opc, "bt"), "\t$dst, $a, $b",
1989 [(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16),
1990 (sra GPR:$b, (i32 16))))]>,
1991 Requires<[IsARM, HasV5TE]> {
1996 def TB : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1997 IIC_iMUL32, !strconcat(opc, "tb"), "\t$dst, $a, $b",
1998 [(set GPR:$dst, (opnode (sra GPR:$a, (i32 16)),
1999 (sext_inreg GPR:$b, i16)))]>,
2000 Requires<[IsARM, HasV5TE]> {
2005 def TT : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2006 IIC_iMUL32, !strconcat(opc, "tt"), "\t$dst, $a, $b",
2007 [(set GPR:$dst, (opnode (sra GPR:$a, (i32 16)),
2008 (sra GPR:$b, (i32 16))))]>,
2009 Requires<[IsARM, HasV5TE]> {
2014 def WB : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2015 IIC_iMUL16, !strconcat(opc, "wb"), "\t$dst, $a, $b",
2016 [(set GPR:$dst, (sra (opnode GPR:$a,
2017 (sext_inreg GPR:$b, i16)), (i32 16)))]>,
2018 Requires<[IsARM, HasV5TE]> {
2023 def WT : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2024 IIC_iMUL16, !strconcat(opc, "wt"), "\t$dst, $a, $b",
2025 [(set GPR:$dst, (sra (opnode GPR:$a,
2026 (sra GPR:$b, (i32 16))), (i32 16)))]>,
2027 Requires<[IsARM, HasV5TE]> {
2034 multiclass AI_smla<string opc, PatFrag opnode> {
2035 def BB : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2036 IIC_iMAC16, !strconcat(opc, "bb"), "\t$dst, $a, $b, $acc",
2037 [(set GPR:$dst, (add GPR:$acc,
2038 (opnode (sext_inreg GPR:$a, i16),
2039 (sext_inreg GPR:$b, i16))))]>,
2040 Requires<[IsARM, HasV5TE]> {
2045 def BT : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2046 IIC_iMAC16, !strconcat(opc, "bt"), "\t$dst, $a, $b, $acc",
2047 [(set GPR:$dst, (add GPR:$acc, (opnode (sext_inreg GPR:$a, i16),
2048 (sra GPR:$b, (i32 16)))))]>,
2049 Requires<[IsARM, HasV5TE]> {
2054 def TB : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2055 IIC_iMAC16, !strconcat(opc, "tb"), "\t$dst, $a, $b, $acc",
2056 [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, (i32 16)),
2057 (sext_inreg GPR:$b, i16))))]>,
2058 Requires<[IsARM, HasV5TE]> {
2063 def TT : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2064 IIC_iMAC16, !strconcat(opc, "tt"), "\t$dst, $a, $b, $acc",
2065 [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, (i32 16)),
2066 (sra GPR:$b, (i32 16)))))]>,
2067 Requires<[IsARM, HasV5TE]> {
2072 def WB : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2073 IIC_iMAC16, !strconcat(opc, "wb"), "\t$dst, $a, $b, $acc",
2074 [(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a,
2075 (sext_inreg GPR:$b, i16)), (i32 16))))]>,
2076 Requires<[IsARM, HasV5TE]> {
2081 def WT : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2082 IIC_iMAC16, !strconcat(opc, "wt"), "\t$dst, $a, $b, $acc",
2083 [(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a,
2084 (sra GPR:$b, (i32 16))), (i32 16))))]>,
2085 Requires<[IsARM, HasV5TE]> {
2091 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
2092 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
2094 // Halfword multiply accumulate long: SMLAL<x><y> -- for disassembly only
2095 def SMLALBB : AMulxyI<0b0001010,(outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
2096 IIC_iMAC64, "smlalbb", "\t$ldst, $hdst, $a, $b",
2097 [/* For disassembly only; pattern left blank */]>,
2098 Requires<[IsARM, HasV5TE]> {
2103 def SMLALBT : AMulxyI<0b0001010,(outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
2104 IIC_iMAC64, "smlalbt", "\t$ldst, $hdst, $a, $b",
2105 [/* For disassembly only; pattern left blank */]>,
2106 Requires<[IsARM, HasV5TE]> {
2111 def SMLALTB : AMulxyI<0b0001010,(outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
2112 IIC_iMAC64, "smlaltb", "\t$ldst, $hdst, $a, $b",
2113 [/* For disassembly only; pattern left blank */]>,
2114 Requires<[IsARM, HasV5TE]> {
2119 def SMLALTT : AMulxyI<0b0001010,(outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
2120 IIC_iMAC64, "smlaltt", "\t$ldst, $hdst, $a, $b",
2121 [/* For disassembly only; pattern left blank */]>,
2122 Requires<[IsARM, HasV5TE]> {
2127 // Helper class for AI_smld -- for disassembly only
2128 class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
2129 InstrItinClass itin, string opc, string asm>
2130 : AI<oops, iops, MulFrm, itin, opc, asm, []>, Requires<[IsARM, HasV6]> {
2135 let Inst{21-20} = 0b00;
2136 let Inst{22} = long;
2137 let Inst{27-23} = 0b01110;
2140 multiclass AI_smld<bit sub, string opc> {
2142 def D : AMulDualI<0, sub, 0, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2143 NoItinerary, !strconcat(opc, "d"), "\t$dst, $a, $b, $acc">;
2145 def DX : AMulDualI<0, sub, 1, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2146 NoItinerary, !strconcat(opc, "dx"), "\t$dst, $a, $b, $acc">;
2148 def LD : AMulDualI<1, sub, 0, (outs GPR:$ldst,GPR:$hdst), (ins GPR:$a,GPR:$b),
2149 NoItinerary, !strconcat(opc, "ld"), "\t$ldst, $hdst, $a, $b">;
2151 def LDX : AMulDualI<1, sub, 1, (outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
2152 NoItinerary, !strconcat(opc, "ldx"),"\t$ldst, $hdst, $a, $b">;
2156 defm SMLA : AI_smld<0, "smla">;
2157 defm SMLS : AI_smld<1, "smls">;
2159 multiclass AI_sdml<bit sub, string opc> {
2161 def D : AMulDualI<0, sub, 0, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2162 NoItinerary, !strconcat(opc, "d"), "\t$dst, $a, $b"> {
2163 let Inst{15-12} = 0b1111;
2166 def DX : AMulDualI<0, sub, 1, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2167 NoItinerary, !strconcat(opc, "dx"), "\t$dst, $a, $b"> {
2168 let Inst{15-12} = 0b1111;
2173 defm SMUA : AI_sdml<0, "smua">;
2174 defm SMUS : AI_sdml<1, "smus">;
2176 //===----------------------------------------------------------------------===//
2177 // Misc. Arithmetic Instructions.
2180 def CLZ : AMiscA1I<0b000010110, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
2181 "clz", "\t$dst, $src",
2182 [(set GPR:$dst, (ctlz GPR:$src))]>, Requires<[IsARM, HasV5T]> {
2183 let Inst{7-4} = 0b0001;
2184 let Inst{11-8} = 0b1111;
2185 let Inst{19-16} = 0b1111;
2188 def RBIT : AMiscA1I<0b01101111, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
2189 "rbit", "\t$dst, $src",
2190 [(set GPR:$dst, (ARMrbit GPR:$src))]>,
2191 Requires<[IsARM, HasV6T2]> {
2192 let Inst{7-4} = 0b0011;
2193 let Inst{11-8} = 0b1111;
2194 let Inst{19-16} = 0b1111;
2197 def REV : AMiscA1I<0b01101011, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
2198 "rev", "\t$dst, $src",
2199 [(set GPR:$dst, (bswap GPR:$src))]>, Requires<[IsARM, HasV6]> {
2200 let Inst{7-4} = 0b0011;
2201 let Inst{11-8} = 0b1111;
2202 let Inst{19-16} = 0b1111;
2205 def REV16 : AMiscA1I<0b01101011, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
2206 "rev16", "\t$dst, $src",
2208 (or (and (srl GPR:$src, (i32 8)), 0xFF),
2209 (or (and (shl GPR:$src, (i32 8)), 0xFF00),
2210 (or (and (srl GPR:$src, (i32 8)), 0xFF0000),
2211 (and (shl GPR:$src, (i32 8)), 0xFF000000)))))]>,
2212 Requires<[IsARM, HasV6]> {
2213 let Inst{7-4} = 0b1011;
2214 let Inst{11-8} = 0b1111;
2215 let Inst{19-16} = 0b1111;
2218 def REVSH : AMiscA1I<0b01101111, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
2219 "revsh", "\t$dst, $src",
2222 (or (srl (and GPR:$src, 0xFF00), (i32 8)),
2223 (shl GPR:$src, (i32 8))), i16))]>,
2224 Requires<[IsARM, HasV6]> {
2225 let Inst{7-4} = 0b1011;
2226 let Inst{11-8} = 0b1111;
2227 let Inst{19-16} = 0b1111;
2230 def PKHBT : AMiscA1I<0b01101000, (outs GPR:$dst),
2231 (ins GPR:$src1, GPR:$src2, i32imm:$shamt),
2232 IIC_iALUsi, "pkhbt", "\t$dst, $src1, $src2, lsl $shamt",
2233 [(set GPR:$dst, (or (and GPR:$src1, 0xFFFF),
2234 (and (shl GPR:$src2, (i32 imm:$shamt)),
2236 Requires<[IsARM, HasV6]> {
2237 let Inst{6-4} = 0b001;
2240 // Alternate cases for PKHBT where identities eliminate some nodes.
2241 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF), (and GPR:$src2, 0xFFFF0000)),
2242 (PKHBT GPR:$src1, GPR:$src2, 0)>;
2243 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF), (shl GPR:$src2, imm16_31:$shamt)),
2244 (PKHBT GPR:$src1, GPR:$src2, imm16_31:$shamt)>;
2247 def PKHTB : AMiscA1I<0b01101000, (outs GPR:$dst),
2248 (ins GPR:$src1, GPR:$src2, i32imm:$shamt),
2249 IIC_iALUsi, "pkhtb", "\t$dst, $src1, $src2, asr $shamt",
2250 [(set GPR:$dst, (or (and GPR:$src1, 0xFFFF0000),
2251 (and (sra GPR:$src2, imm16_31:$shamt),
2252 0xFFFF)))]>, Requires<[IsARM, HasV6]> {
2253 let Inst{6-4} = 0b101;
2256 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
2257 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
2258 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000), (srl GPR:$src2, (i32 16))),
2259 (PKHTB GPR:$src1, GPR:$src2, 16)>;
2260 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000),
2261 (and (srl GPR:$src2, imm1_15:$shamt), 0xFFFF)),
2262 (PKHTB GPR:$src1, GPR:$src2, imm1_15:$shamt)>;
2264 //===----------------------------------------------------------------------===//
2265 // Comparison Instructions...
2268 defm CMP : AI1_cmp_irs<0b1010, "cmp",
2269 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
2270 //FIXME: Disable CMN, as CCodes are backwards from compare expectations
2271 // Compare-to-zero still works out, just not the relationals
2272 //defm CMN : AI1_cmp_irs<0b1011, "cmn",
2273 // BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
2275 // Note that TST/TEQ don't set all the same flags that CMP does!
2276 defm TST : AI1_cmp_irs<0b1000, "tst",
2277 BinOpFrag<(ARMcmpZ (and node:$LHS, node:$RHS), 0)>, 1>;
2278 defm TEQ : AI1_cmp_irs<0b1001, "teq",
2279 BinOpFrag<(ARMcmpZ (xor node:$LHS, node:$RHS), 0)>, 1>;
2281 defm CMPz : AI1_cmp_irs<0b1010, "cmp",
2282 BinOpFrag<(ARMcmpZ node:$LHS, node:$RHS)>>;
2283 defm CMNz : AI1_cmp_irs<0b1011, "cmn",
2284 BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>>;
2286 //def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
2287 // (CMNri GPR:$src, so_imm_neg:$imm)>;
2289 def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
2290 (CMNzri GPR:$src, so_imm_neg:$imm)>;
2293 // Conditional moves
2294 // FIXME: should be able to write a pattern for ARMcmov, but can't use
2295 // a two-value operand where a dag node expects two operands. :(
2296 let neverHasSideEffects = 1 in {
2297 def MOVCCr : AI1<0b1101, (outs GPR:$dst), (ins GPR:$false, GPR:$true), DPFrm,
2298 IIC_iCMOVr, "mov", "\t$dst, $true",
2299 [/*(set GPR:$dst, (ARMcmov GPR:$false, GPR:$true, imm:$cc, CCR:$ccr))*/]>,
2300 RegConstraint<"$false = $dst">, UnaryDP {
2301 let Inst{11-4} = 0b00000000;
2305 def MOVCCs : AI1<0b1101, (outs GPR:$dst),
2306 (ins GPR:$false, so_reg:$true), DPSoRegFrm, IIC_iCMOVsr,
2307 "mov", "\t$dst, $true",
2308 [/*(set GPR:$dst, (ARMcmov GPR:$false, so_reg:$true, imm:$cc, CCR:$ccr))*/]>,
2309 RegConstraint<"$false = $dst">, UnaryDP {
2313 def MOVCCi : AI1<0b1101, (outs GPR:$dst),
2314 (ins GPR:$false, so_imm:$true), DPFrm, IIC_iCMOVi,
2315 "mov", "\t$dst, $true",
2316 [/*(set GPR:$dst, (ARMcmov GPR:$false, so_imm:$true, imm:$cc, CCR:$ccr))*/]>,
2317 RegConstraint<"$false = $dst">, UnaryDP {
2320 } // neverHasSideEffects
2322 //===----------------------------------------------------------------------===//
2323 // Atomic operations intrinsics
2326 // memory barriers protect the atomic sequences
2327 let hasSideEffects = 1 in {
2328 def Int_MemBarrierV7 : AInoP<(outs), (ins),
2329 Pseudo, NoItinerary,
2331 [(ARMMemBarrierV7)]>,
2332 Requires<[IsARM, HasV7]> {
2333 let Inst{31-4} = 0xf57ff05;
2334 // FIXME: add support for options other than a full system DMB
2335 // See DMB disassembly-only variants below.
2336 let Inst{3-0} = 0b1111;
2339 def Int_SyncBarrierV7 : AInoP<(outs), (ins),
2340 Pseudo, NoItinerary,
2342 [(ARMSyncBarrierV7)]>,
2343 Requires<[IsARM, HasV7]> {
2344 let Inst{31-4} = 0xf57ff04;
2345 // FIXME: add support for options other than a full system DSB
2346 // See DSB disassembly-only variants below.
2347 let Inst{3-0} = 0b1111;
2350 def Int_MemBarrierV6 : AInoP<(outs), (ins GPR:$zero),
2351 Pseudo, NoItinerary,
2352 "mcr", "\tp15, 0, $zero, c7, c10, 5",
2353 [(ARMMemBarrierV6 GPR:$zero)]>,
2354 Requires<[IsARM, HasV6]> {
2355 // FIXME: add support for options other than a full system DMB
2356 // FIXME: add encoding
2359 def Int_SyncBarrierV6 : AInoP<(outs), (ins GPR:$zero),
2360 Pseudo, NoItinerary,
2361 "mcr", "\tp15, 0, $zero, c7, c10, 4",
2362 [(ARMSyncBarrierV6 GPR:$zero)]>,
2363 Requires<[IsARM, HasV6]> {
2364 // FIXME: add support for options other than a full system DSB
2365 // FIXME: add encoding
2369 // Helper class for multiclass MemB -- for disassembly only
2370 class AMBI<string opc, string asm>
2371 : AInoP<(outs), (ins), MiscFrm, NoItinerary, opc, asm,
2372 [/* For disassembly only; pattern left blank */]>,
2373 Requires<[IsARM, HasV7]> {
2374 let Inst{31-20} = 0xf57;
2377 multiclass MemB<bits<4> op7_4, string opc> {
2379 def st : AMBI<opc, "\tst"> {
2380 let Inst{7-4} = op7_4;
2381 let Inst{3-0} = 0b1110;
2384 def ish : AMBI<opc, "\tish"> {
2385 let Inst{7-4} = op7_4;
2386 let Inst{3-0} = 0b1011;
2389 def ishst : AMBI<opc, "\tishst"> {
2390 let Inst{7-4} = op7_4;
2391 let Inst{3-0} = 0b1010;
2394 def nsh : AMBI<opc, "\tnsh"> {
2395 let Inst{7-4} = op7_4;
2396 let Inst{3-0} = 0b0111;
2399 def nshst : AMBI<opc, "\tnshst"> {
2400 let Inst{7-4} = op7_4;
2401 let Inst{3-0} = 0b0110;
2404 def osh : AMBI<opc, "\tosh"> {
2405 let Inst{7-4} = op7_4;
2406 let Inst{3-0} = 0b0011;
2409 def oshst : AMBI<opc, "\toshst"> {
2410 let Inst{7-4} = op7_4;
2411 let Inst{3-0} = 0b0010;
2415 // These DMB variants are for disassembly only.
2416 defm DMB : MemB<0b0101, "dmb">;
2418 // These DSB variants are for disassembly only.
2419 defm DSB : MemB<0b0100, "dsb">;
2421 // ISB has only full system option -- for disassembly only
2422 def ISBsy : AMBI<"isb", ""> {
2423 let Inst{7-4} = 0b0110;
2424 let Inst{3-0} = 0b1111;
2427 let usesCustomInserter = 1 in {
2428 let Uses = [CPSR] in {
2429 def ATOMIC_LOAD_ADD_I8 : PseudoInst<
2430 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2431 "${:comment} ATOMIC_LOAD_ADD_I8 PSEUDO!",
2432 [(set GPR:$dst, (atomic_load_add_8 GPR:$ptr, GPR:$incr))]>;
2433 def ATOMIC_LOAD_SUB_I8 : PseudoInst<
2434 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2435 "${:comment} ATOMIC_LOAD_SUB_I8 PSEUDO!",
2436 [(set GPR:$dst, (atomic_load_sub_8 GPR:$ptr, GPR:$incr))]>;
2437 def ATOMIC_LOAD_AND_I8 : PseudoInst<
2438 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2439 "${:comment} ATOMIC_LOAD_AND_I8 PSEUDO!",
2440 [(set GPR:$dst, (atomic_load_and_8 GPR:$ptr, GPR:$incr))]>;
2441 def ATOMIC_LOAD_OR_I8 : PseudoInst<
2442 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2443 "${:comment} ATOMIC_LOAD_OR_I8 PSEUDO!",
2444 [(set GPR:$dst, (atomic_load_or_8 GPR:$ptr, GPR:$incr))]>;
2445 def ATOMIC_LOAD_XOR_I8 : PseudoInst<
2446 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2447 "${:comment} ATOMIC_LOAD_XOR_I8 PSEUDO!",
2448 [(set GPR:$dst, (atomic_load_xor_8 GPR:$ptr, GPR:$incr))]>;
2449 def ATOMIC_LOAD_NAND_I8 : PseudoInst<
2450 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2451 "${:comment} ATOMIC_LOAD_NAND_I8 PSEUDO!",
2452 [(set GPR:$dst, (atomic_load_nand_8 GPR:$ptr, GPR:$incr))]>;
2453 def ATOMIC_LOAD_ADD_I16 : PseudoInst<
2454 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2455 "${:comment} ATOMIC_LOAD_ADD_I16 PSEUDO!",
2456 [(set GPR:$dst, (atomic_load_add_16 GPR:$ptr, GPR:$incr))]>;
2457 def ATOMIC_LOAD_SUB_I16 : PseudoInst<
2458 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2459 "${:comment} ATOMIC_LOAD_SUB_I16 PSEUDO!",
2460 [(set GPR:$dst, (atomic_load_sub_16 GPR:$ptr, GPR:$incr))]>;
2461 def ATOMIC_LOAD_AND_I16 : PseudoInst<
2462 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2463 "${:comment} ATOMIC_LOAD_AND_I16 PSEUDO!",
2464 [(set GPR:$dst, (atomic_load_and_16 GPR:$ptr, GPR:$incr))]>;
2465 def ATOMIC_LOAD_OR_I16 : PseudoInst<
2466 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2467 "${:comment} ATOMIC_LOAD_OR_I16 PSEUDO!",
2468 [(set GPR:$dst, (atomic_load_or_16 GPR:$ptr, GPR:$incr))]>;
2469 def ATOMIC_LOAD_XOR_I16 : PseudoInst<
2470 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2471 "${:comment} ATOMIC_LOAD_XOR_I16 PSEUDO!",
2472 [(set GPR:$dst, (atomic_load_xor_16 GPR:$ptr, GPR:$incr))]>;
2473 def ATOMIC_LOAD_NAND_I16 : PseudoInst<
2474 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2475 "${:comment} ATOMIC_LOAD_NAND_I16 PSEUDO!",
2476 [(set GPR:$dst, (atomic_load_nand_16 GPR:$ptr, GPR:$incr))]>;
2477 def ATOMIC_LOAD_ADD_I32 : PseudoInst<
2478 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2479 "${:comment} ATOMIC_LOAD_ADD_I32 PSEUDO!",
2480 [(set GPR:$dst, (atomic_load_add_32 GPR:$ptr, GPR:$incr))]>;
2481 def ATOMIC_LOAD_SUB_I32 : PseudoInst<
2482 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2483 "${:comment} ATOMIC_LOAD_SUB_I32 PSEUDO!",
2484 [(set GPR:$dst, (atomic_load_sub_32 GPR:$ptr, GPR:$incr))]>;
2485 def ATOMIC_LOAD_AND_I32 : PseudoInst<
2486 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2487 "${:comment} ATOMIC_LOAD_AND_I32 PSEUDO!",
2488 [(set GPR:$dst, (atomic_load_and_32 GPR:$ptr, GPR:$incr))]>;
2489 def ATOMIC_LOAD_OR_I32 : PseudoInst<
2490 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2491 "${:comment} ATOMIC_LOAD_OR_I32 PSEUDO!",
2492 [(set GPR:$dst, (atomic_load_or_32 GPR:$ptr, GPR:$incr))]>;
2493 def ATOMIC_LOAD_XOR_I32 : PseudoInst<
2494 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2495 "${:comment} ATOMIC_LOAD_XOR_I32 PSEUDO!",
2496 [(set GPR:$dst, (atomic_load_xor_32 GPR:$ptr, GPR:$incr))]>;
2497 def ATOMIC_LOAD_NAND_I32 : PseudoInst<
2498 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2499 "${:comment} ATOMIC_LOAD_NAND_I32 PSEUDO!",
2500 [(set GPR:$dst, (atomic_load_nand_32 GPR:$ptr, GPR:$incr))]>;
2502 def ATOMIC_SWAP_I8 : PseudoInst<
2503 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
2504 "${:comment} ATOMIC_SWAP_I8 PSEUDO!",
2505 [(set GPR:$dst, (atomic_swap_8 GPR:$ptr, GPR:$new))]>;
2506 def ATOMIC_SWAP_I16 : PseudoInst<
2507 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
2508 "${:comment} ATOMIC_SWAP_I16 PSEUDO!",
2509 [(set GPR:$dst, (atomic_swap_16 GPR:$ptr, GPR:$new))]>;
2510 def ATOMIC_SWAP_I32 : PseudoInst<
2511 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
2512 "${:comment} ATOMIC_SWAP_I32 PSEUDO!",
2513 [(set GPR:$dst, (atomic_swap_32 GPR:$ptr, GPR:$new))]>;
2515 def ATOMIC_CMP_SWAP_I8 : PseudoInst<
2516 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
2517 "${:comment} ATOMIC_CMP_SWAP_I8 PSEUDO!",
2518 [(set GPR:$dst, (atomic_cmp_swap_8 GPR:$ptr, GPR:$old, GPR:$new))]>;
2519 def ATOMIC_CMP_SWAP_I16 : PseudoInst<
2520 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
2521 "${:comment} ATOMIC_CMP_SWAP_I16 PSEUDO!",
2522 [(set GPR:$dst, (atomic_cmp_swap_16 GPR:$ptr, GPR:$old, GPR:$new))]>;
2523 def ATOMIC_CMP_SWAP_I32 : PseudoInst<
2524 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
2525 "${:comment} ATOMIC_CMP_SWAP_I32 PSEUDO!",
2526 [(set GPR:$dst, (atomic_cmp_swap_32 GPR:$ptr, GPR:$old, GPR:$new))]>;
2530 let mayLoad = 1 in {
2531 def LDREXB : AIldrex<0b10, (outs GPR:$dest), (ins GPR:$ptr), NoItinerary,
2532 "ldrexb", "\t$dest, [$ptr]",
2534 def LDREXH : AIldrex<0b11, (outs GPR:$dest), (ins GPR:$ptr), NoItinerary,
2535 "ldrexh", "\t$dest, [$ptr]",
2537 def LDREX : AIldrex<0b00, (outs GPR:$dest), (ins GPR:$ptr), NoItinerary,
2538 "ldrex", "\t$dest, [$ptr]",
2540 def LDREXD : AIldrex<0b01, (outs GPR:$dest, GPR:$dest2), (ins GPR:$ptr),
2542 "ldrexd", "\t$dest, $dest2, [$ptr]",
2546 let mayStore = 1, Constraints = "@earlyclobber $success" in {
2547 def STREXB : AIstrex<0b10, (outs GPR:$success), (ins GPR:$src, GPR:$ptr),
2549 "strexb", "\t$success, $src, [$ptr]",
2551 def STREXH : AIstrex<0b11, (outs GPR:$success), (ins GPR:$src, GPR:$ptr),
2553 "strexh", "\t$success, $src, [$ptr]",
2555 def STREX : AIstrex<0b00, (outs GPR:$success), (ins GPR:$src, GPR:$ptr),
2557 "strex", "\t$success, $src, [$ptr]",
2559 def STREXD : AIstrex<0b01, (outs GPR:$success),
2560 (ins GPR:$src, GPR:$src2, GPR:$ptr),
2562 "strexd", "\t$success, $src, $src2, [$ptr]",
2566 // Clear-Exclusive is for disassembly only.
2567 def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex",
2568 [/* For disassembly only; pattern left blank */]>,
2569 Requires<[IsARM, HasV7]> {
2570 let Inst{31-20} = 0xf57;
2571 let Inst{7-4} = 0b0001;
2574 // SWP/SWPB are deprecated in V6/V7 and for disassembly only.
2575 let mayLoad = 1 in {
2576 def SWP : AI<(outs GPR:$dst), (ins GPR:$src, GPR:$ptr), LdStExFrm, NoItinerary,
2577 "swp", "\t$dst, $src, [$ptr]",
2578 [/* For disassembly only; pattern left blank */]> {
2579 let Inst{27-23} = 0b00010;
2580 let Inst{22} = 0; // B = 0
2581 let Inst{21-20} = 0b00;
2582 let Inst{7-4} = 0b1001;
2585 def SWPB : AI<(outs GPR:$dst), (ins GPR:$src, GPR:$ptr), LdStExFrm, NoItinerary,
2586 "swpb", "\t$dst, $src, [$ptr]",
2587 [/* For disassembly only; pattern left blank */]> {
2588 let Inst{27-23} = 0b00010;
2589 let Inst{22} = 1; // B = 1
2590 let Inst{21-20} = 0b00;
2591 let Inst{7-4} = 0b1001;
2595 //===----------------------------------------------------------------------===//
2599 // __aeabi_read_tp preserves the registers r1-r3.
2601 Defs = [R0, R12, LR, CPSR] in {
2602 def TPsoft : ABXI<0b1011, (outs), (ins), IIC_Br,
2603 "bl\t__aeabi_read_tp",
2604 [(set R0, ARMthread_pointer)]>;
2607 //===----------------------------------------------------------------------===//
2608 // SJLJ Exception handling intrinsics
2609 // eh_sjlj_setjmp() is an instruction sequence to store the return
2610 // address and save #0 in R0 for the non-longjmp case.
2611 // Since by its nature we may be coming from some other function to get
2612 // here, and we're using the stack frame for the containing function to
2613 // save/restore registers, we can't keep anything live in regs across
2614 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
2615 // when we get here from a longjmp(). We force everthing out of registers
2616 // except for our own input by listing the relevant registers in Defs. By
2617 // doing so, we also cause the prologue/epilogue code to actively preserve
2618 // all of the callee-saved resgisters, which is exactly what we want.
2619 // A constant value is passed in $val, and we use the location as a scratch.
2621 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, D0,
2622 D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15,
2623 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26, D27, D28, D29, D30,
2624 D31 ], hasSideEffects = 1, isBarrier = 1 in {
2625 def Int_eh_sjlj_setjmp : XI<(outs), (ins GPR:$src, GPR:$val),
2626 AddrModeNone, SizeSpecial, IndexModeNone,
2627 Pseudo, NoItinerary,
2628 "add\t$val, pc, #8\t${:comment} eh_setjmp begin\n\t"
2629 "str\t$val, [$src, #+4]\n\t"
2631 "add\tpc, pc, #0\n\t"
2632 "mov\tr0, #1 ${:comment} eh_setjmp end", "",
2633 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
2634 Requires<[IsARM, HasVFP2]>;
2638 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR ],
2639 hasSideEffects = 1, isBarrier = 1 in {
2640 def Int_eh_sjlj_setjmp_nofp : XI<(outs), (ins GPR:$src, GPR:$val),
2641 AddrModeNone, SizeSpecial, IndexModeNone,
2642 Pseudo, NoItinerary,
2643 "add\t$val, pc, #8\n ${:comment} eh_setjmp begin\n\t"
2644 "str\t$val, [$src, #+4]\n\t"
2646 "add\tpc, pc, #0\n\t"
2647 "mov\tr0, #1 ${:comment} eh_setjmp end", "",
2648 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
2649 Requires<[IsARM, NoVFP]>;
2652 // FIXME: Non-Darwin version(s)
2653 let isBarrier = 1, hasSideEffects = 1, isTerminator = 1,
2654 Defs = [ R7, LR, SP ] in {
2655 def Int_eh_sjlj_longjmp : XI<(outs), (ins GPR:$src, GPR:$scratch),
2656 AddrModeNone, SizeSpecial, IndexModeNone,
2657 Pseudo, NoItinerary,
2658 "ldr\tsp, [$src, #8]\n\t"
2659 "ldr\t$scratch, [$src, #4]\n\t"
2660 "ldr\tr7, [$src]\n\t"
2662 [(ARMeh_sjlj_longjmp GPR:$src, GPR:$scratch)]>,
2663 Requires<[IsARM, IsDarwin]>;
2666 //===----------------------------------------------------------------------===//
2667 // Non-Instruction Patterns
2670 // Large immediate handling.
2672 // Two piece so_imms.
2673 let isReMaterializable = 1 in
2674 def MOVi2pieces : AI1x2<(outs GPR:$dst), (ins so_imm2part:$src),
2676 "mov", "\t$dst, $src",
2677 [(set GPR:$dst, so_imm2part:$src)]>,
2678 Requires<[IsARM, NoV6T2]>;
2680 def : ARMPat<(or GPR:$LHS, so_imm2part:$RHS),
2681 (ORRri (ORRri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
2682 (so_imm2part_2 imm:$RHS))>;
2683 def : ARMPat<(xor GPR:$LHS, so_imm2part:$RHS),
2684 (EORri (EORri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
2685 (so_imm2part_2 imm:$RHS))>;
2686 def : ARMPat<(add GPR:$LHS, so_imm2part:$RHS),
2687 (ADDri (ADDri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
2688 (so_imm2part_2 imm:$RHS))>;
2689 def : ARMPat<(add GPR:$LHS, so_neg_imm2part:$RHS),
2690 (SUBri (SUBri GPR:$LHS, (so_neg_imm2part_1 imm:$RHS)),
2691 (so_neg_imm2part_2 imm:$RHS))>;
2693 // 32-bit immediate using movw + movt.
2694 // This is a single pseudo instruction, the benefit is that it can be remat'd
2695 // as a single unit instead of having to handle reg inputs.
2696 // FIXME: Remove this when we can do generalized remat.
2697 let isReMaterializable = 1 in
2698 def MOVi32imm : AI1x2<(outs GPR:$dst), (ins i32imm:$src), Pseudo, IIC_iMOVi,
2699 "movw", "\t$dst, ${src:lo16}\n\tmovt${p}\t$dst, ${src:hi16}",
2700 [(set GPR:$dst, (i32 imm:$src))]>,
2701 Requires<[IsARM, HasV6T2]>;
2703 // ConstantPool, GlobalAddress, and JumpTable
2704 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>,
2705 Requires<[IsARM, DontUseMovt]>;
2706 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
2707 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
2708 Requires<[IsARM, UseMovt]>;
2709 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
2710 (LEApcrelJT tjumptable:$dst, imm:$id)>;
2712 // TODO: add,sub,and, 3-instr forms?
2715 def : ARMPat<(ARMtcret tcGPR:$dst),
2716 (TCRETURNri tcGPR:$dst)>, Requires<[IsDarwin]>;
2718 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
2719 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
2721 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
2722 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
2724 def : ARMPat<(ARMtcret tcGPR:$dst),
2725 (TCRETURNriND tcGPR:$dst)>, Requires<[IsNotDarwin]>;
2727 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
2728 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
2730 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
2731 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
2734 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>,
2735 Requires<[IsARM, IsNotDarwin]>;
2736 def : ARMPat<(ARMcall texternalsym:$func), (BLr9 texternalsym:$func)>,
2737 Requires<[IsARM, IsDarwin]>;
2739 // zextload i1 -> zextload i8
2740 def : ARMPat<(zextloadi1 addrmode2:$addr), (LDRB addrmode2:$addr)>;
2742 // extload -> zextload
2743 def : ARMPat<(extloadi1 addrmode2:$addr), (LDRB addrmode2:$addr)>;
2744 def : ARMPat<(extloadi8 addrmode2:$addr), (LDRB addrmode2:$addr)>;
2745 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
2747 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
2748 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
2751 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
2752 (sra (shl GPR:$b, (i32 16)), (i32 16))),
2753 (SMULBB GPR:$a, GPR:$b)>;
2754 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
2755 (SMULBB GPR:$a, GPR:$b)>;
2756 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
2757 (sra GPR:$b, (i32 16))),
2758 (SMULBT GPR:$a, GPR:$b)>;
2759 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
2760 (SMULBT GPR:$a, GPR:$b)>;
2761 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
2762 (sra (shl GPR:$b, (i32 16)), (i32 16))),
2763 (SMULTB GPR:$a, GPR:$b)>;
2764 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
2765 (SMULTB GPR:$a, GPR:$b)>;
2766 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
2768 (SMULWB GPR:$a, GPR:$b)>;
2769 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
2770 (SMULWB GPR:$a, GPR:$b)>;
2772 def : ARMV5TEPat<(add GPR:$acc,
2773 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
2774 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
2775 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
2776 def : ARMV5TEPat<(add GPR:$acc,
2777 (mul sext_16_node:$a, sext_16_node:$b)),
2778 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
2779 def : ARMV5TEPat<(add GPR:$acc,
2780 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
2781 (sra GPR:$b, (i32 16)))),
2782 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
2783 def : ARMV5TEPat<(add GPR:$acc,
2784 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
2785 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
2786 def : ARMV5TEPat<(add GPR:$acc,
2787 (mul (sra GPR:$a, (i32 16)),
2788 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
2789 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
2790 def : ARMV5TEPat<(add GPR:$acc,
2791 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
2792 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
2793 def : ARMV5TEPat<(add GPR:$acc,
2794 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
2796 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
2797 def : ARMV5TEPat<(add GPR:$acc,
2798 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
2799 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
2801 //===----------------------------------------------------------------------===//
2805 include "ARMInstrThumb.td"
2807 //===----------------------------------------------------------------------===//
2811 include "ARMInstrThumb2.td"
2813 //===----------------------------------------------------------------------===//
2814 // Floating Point Support
2817 include "ARMInstrVFP.td"
2819 //===----------------------------------------------------------------------===//
2820 // Advanced SIMD (NEON) Support
2823 include "ARMInstrNEON.td"
2825 //===----------------------------------------------------------------------===//
2826 // Coprocessor Instructions. For disassembly only.
2829 def CDP : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2830 nohash_imm:$CRd, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2831 NoItinerary, "cdp", "\tp$cop, $opc1, cr$CRd, cr$CRn, cr$CRm, $opc2",
2832 [/* For disassembly only; pattern left blank */]> {
2836 def CDP2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2837 nohash_imm:$CRd, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2838 NoItinerary, "cdp2\tp$cop, $opc1, cr$CRd, cr$CRn, cr$CRm, $opc2",
2839 [/* For disassembly only; pattern left blank */]> {
2840 let Inst{31-28} = 0b1111;
2844 class ACI<dag oops, dag iops, string opc, string asm>
2845 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, BrFrm, NoItinerary,
2846 opc, asm, "", [/* For disassembly only; pattern left blank */]> {
2847 let Inst{27-25} = 0b110;
2850 multiclass LdStCop<bits<4> op31_28, bit load, string opc> {
2852 def _OFFSET : ACI<(outs),
2853 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
2854 opc, "\tp$cop, cr$CRd, $addr"> {
2855 let Inst{31-28} = op31_28;
2856 let Inst{24} = 1; // P = 1
2857 let Inst{21} = 0; // W = 0
2858 let Inst{22} = 0; // D = 0
2859 let Inst{20} = load;
2862 def _PRE : ACI<(outs),
2863 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
2864 opc, "\tp$cop, cr$CRd, $addr!"> {
2865 let Inst{31-28} = op31_28;
2866 let Inst{24} = 1; // P = 1
2867 let Inst{21} = 1; // W = 1
2868 let Inst{22} = 0; // D = 0
2869 let Inst{20} = load;
2872 def _POST : ACI<(outs),
2873 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
2874 opc, "\tp$cop, cr$CRd, [$base], $offset"> {
2875 let Inst{31-28} = op31_28;
2876 let Inst{24} = 0; // P = 0
2877 let Inst{21} = 1; // W = 1
2878 let Inst{22} = 0; // D = 0
2879 let Inst{20} = load;
2882 def _OPTION : ACI<(outs),
2883 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, i32imm:$option),
2884 opc, "\tp$cop, cr$CRd, [$base], $option"> {
2885 let Inst{31-28} = op31_28;
2886 let Inst{24} = 0; // P = 0
2887 let Inst{23} = 1; // U = 1
2888 let Inst{21} = 0; // W = 0
2889 let Inst{22} = 0; // D = 0
2890 let Inst{20} = load;
2893 def L_OFFSET : ACI<(outs),
2894 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
2895 !strconcat(opc, "l"), "\tp$cop, cr$CRd, $addr"> {
2896 let Inst{31-28} = op31_28;
2897 let Inst{24} = 1; // P = 1
2898 let Inst{21} = 0; // W = 0
2899 let Inst{22} = 1; // D = 1
2900 let Inst{20} = load;
2903 def L_PRE : ACI<(outs),
2904 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
2905 !strconcat(opc, "l"), "\tp$cop, cr$CRd, $addr!"> {
2906 let Inst{31-28} = op31_28;
2907 let Inst{24} = 1; // P = 1
2908 let Inst{21} = 1; // W = 1
2909 let Inst{22} = 1; // D = 1
2910 let Inst{20} = load;
2913 def L_POST : ACI<(outs),
2914 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
2915 !strconcat(opc, "l"), "\tp$cop, cr$CRd, [$base], $offset"> {
2916 let Inst{31-28} = op31_28;
2917 let Inst{24} = 0; // P = 0
2918 let Inst{21} = 1; // W = 1
2919 let Inst{22} = 1; // D = 1
2920 let Inst{20} = load;
2923 def L_OPTION : ACI<(outs),
2924 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, nohash_imm:$option),
2925 !strconcat(opc, "l"), "\tp$cop, cr$CRd, [$base], $option"> {
2926 let Inst{31-28} = op31_28;
2927 let Inst{24} = 0; // P = 0
2928 let Inst{23} = 1; // U = 1
2929 let Inst{21} = 0; // W = 0
2930 let Inst{22} = 1; // D = 1
2931 let Inst{20} = load;
2935 defm LDC : LdStCop<{?,?,?,?}, 1, "ldc">;
2936 defm LDC2 : LdStCop<0b1111, 1, "ldc2">;
2937 defm STC : LdStCop<{?,?,?,?}, 0, "stc">;
2938 defm STC2 : LdStCop<0b1111, 0, "stc2">;
2940 def MCR : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2941 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2942 NoItinerary, "mcr", "\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
2943 [/* For disassembly only; pattern left blank */]> {
2948 def MCR2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2949 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2950 NoItinerary, "mcr2\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
2951 [/* For disassembly only; pattern left blank */]> {
2952 let Inst{31-28} = 0b1111;
2957 def MRC : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2958 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2959 NoItinerary, "mrc", "\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
2960 [/* For disassembly only; pattern left blank */]> {
2965 def MRC2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2966 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2967 NoItinerary, "mrc2\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
2968 [/* For disassembly only; pattern left blank */]> {
2969 let Inst{31-28} = 0b1111;
2974 def MCRR : ABI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
2975 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
2976 NoItinerary, "mcrr", "\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
2977 [/* For disassembly only; pattern left blank */]> {
2978 let Inst{23-20} = 0b0100;
2981 def MCRR2 : ABXI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
2982 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
2983 NoItinerary, "mcrr2\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
2984 [/* For disassembly only; pattern left blank */]> {
2985 let Inst{31-28} = 0b1111;
2986 let Inst{23-20} = 0b0100;
2989 def MRRC : ABI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
2990 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
2991 NoItinerary, "mrrc", "\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
2992 [/* For disassembly only; pattern left blank */]> {
2993 let Inst{23-20} = 0b0101;
2996 def MRRC2 : ABXI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
2997 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
2998 NoItinerary, "mrrc2\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
2999 [/* For disassembly only; pattern left blank */]> {
3000 let Inst{31-28} = 0b1111;
3001 let Inst{23-20} = 0b0101;
3004 //===----------------------------------------------------------------------===//
3005 // Move between special register and ARM core register -- for disassembly only
3008 def MRS : ABI<0b0001,(outs GPR:$dst),(ins), NoItinerary, "mrs", "\t$dst, cpsr",
3009 [/* For disassembly only; pattern left blank */]> {
3010 let Inst{23-20} = 0b0000;
3011 let Inst{7-4} = 0b0000;
3014 def MRSsys : ABI<0b0001,(outs GPR:$dst),(ins), NoItinerary,"mrs","\t$dst, spsr",
3015 [/* For disassembly only; pattern left blank */]> {
3016 let Inst{23-20} = 0b0100;
3017 let Inst{7-4} = 0b0000;
3020 def MSR : ABI<0b0001, (outs), (ins GPR:$src, msr_mask:$mask), NoItinerary,
3021 "msr", "\tcpsr$mask, $src",
3022 [/* For disassembly only; pattern left blank */]> {
3023 let Inst{23-20} = 0b0010;
3024 let Inst{7-4} = 0b0000;
3027 def MSRi : ABI<0b0011, (outs), (ins so_imm:$a, msr_mask:$mask), NoItinerary,
3028 "msr", "\tcpsr$mask, $a",
3029 [/* For disassembly only; pattern left blank */]> {
3030 let Inst{23-20} = 0b0010;
3031 let Inst{7-4} = 0b0000;
3034 def MSRsys : ABI<0b0001, (outs), (ins GPR:$src, msr_mask:$mask), NoItinerary,
3035 "msr", "\tspsr$mask, $src",
3036 [/* For disassembly only; pattern left blank */]> {
3037 let Inst{23-20} = 0b0110;
3038 let Inst{7-4} = 0b0000;
3041 def MSRsysi : ABI<0b0011, (outs), (ins so_imm:$a, msr_mask:$mask), NoItinerary,
3042 "msr", "\tspsr$mask, $a",
3043 [/* For disassembly only; pattern left blank */]> {
3044 let Inst{23-20} = 0b0110;
3045 let Inst{7-4} = 0b0000;