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, #$label", []>;
866 } // neverHasSideEffects
867 def LEApcrelJT : AXI1<0x0, (outs GPR:$dst),
868 (ins i32imm:$label, nohash_imm:$id, pred:$p),
870 "adr$p\t$dst, #${label}_${id}", []> {
874 //===----------------------------------------------------------------------===//
875 // Control Flow Instructions.
878 let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
880 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
881 "bx", "\tlr", [(ARMretflag)]>,
882 Requires<[IsARM, HasV4T]> {
883 let Inst{3-0} = 0b1110;
884 let Inst{7-4} = 0b0001;
885 let Inst{19-8} = 0b111111111111;
886 let Inst{27-20} = 0b00010010;
890 def MOVPCLR : AI<(outs), (ins), BrMiscFrm, IIC_Br,
891 "mov", "\tpc, lr", [(ARMretflag)]>,
892 Requires<[IsARM, NoV4T]> {
893 let Inst{11-0} = 0b000000001110;
894 let Inst{15-12} = 0b1111;
895 let Inst{19-16} = 0b0000;
896 let Inst{27-20} = 0b00011010;
901 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
903 def BRIND : AXI<(outs), (ins GPR:$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;
1065 // Non-Darwin versions (the difference is R9).
1066 let Defs = [R0, R1, R2, R3, R12,
1067 D0, D1, D2, D3, D4, D5, D6, D7,
1068 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26,
1069 D27, D28, D29, D30, D31, PC],
1071 def TCRETURNdiND : AInoP<(outs), (ins i32imm:$dst, variable_ops),
1073 "@TC_RETURN","\t$dst", []>, Requires<[IsNotDarwin]>;
1075 def TCRETURNriND : AInoP<(outs), (ins tcGPR:$dst, variable_ops),
1077 "@TC_RETURN","\t$dst", []>, Requires<[IsNotDarwin]>;
1079 def TAILJMPdND : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1080 IIC_Br, "b\t$dst @ TAILCALL",
1081 []>, Requires<[IsARM, IsNotDarwin]>;
1083 def TAILJMPdNDt : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1084 IIC_Br, "b.w\t$dst @ TAILCALL",
1085 []>, Requires<[IsThumb, IsNotDarwin]>;
1087 def TAILJMPrND : AXI<(outs), (ins tcGPR:$dst, variable_ops),
1088 BrMiscFrm, IIC_Br, "bx\t$dst @ TAILCALL",
1089 []>, Requires<[IsNotDarwin]> {
1090 let Inst{7-4} = 0b0001;
1091 let Inst{19-8} = 0b111111111111;
1092 let Inst{27-20} = 0b00010010;
1093 let Inst{31-28} = 0b1110;
1098 let isBranch = 1, isTerminator = 1 in {
1099 // B is "predicable" since it can be xformed into a Bcc.
1100 let isBarrier = 1 in {
1101 let isPredicable = 1 in
1102 def B : ABXI<0b1010, (outs), (ins brtarget:$target), IIC_Br,
1103 "b\t$target", [(br bb:$target)]>;
1105 let isNotDuplicable = 1, isIndirectBranch = 1 in {
1106 def BR_JTr : JTI<(outs), (ins GPR:$target, jtblock_operand:$jt, i32imm:$id),
1107 IIC_Br, "mov\tpc, $target \n$jt",
1108 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]> {
1109 let Inst{11-4} = 0b00000000;
1110 let Inst{15-12} = 0b1111;
1111 let Inst{20} = 0; // S Bit
1112 let Inst{24-21} = 0b1101;
1113 let Inst{27-25} = 0b000;
1115 def BR_JTm : JTI<(outs),
1116 (ins addrmode2:$target, jtblock_operand:$jt, i32imm:$id),
1117 IIC_Br, "ldr\tpc, $target \n$jt",
1118 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
1120 let Inst{15-12} = 0b1111;
1121 let Inst{20} = 1; // L bit
1122 let Inst{21} = 0; // W bit
1123 let Inst{22} = 0; // B bit
1124 let Inst{24} = 1; // P bit
1125 let Inst{27-25} = 0b011;
1127 def BR_JTadd : JTI<(outs),
1128 (ins GPR:$target, GPR:$idx, jtblock_operand:$jt, i32imm:$id),
1129 IIC_Br, "add\tpc, $target, $idx \n$jt",
1130 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
1132 let Inst{15-12} = 0b1111;
1133 let Inst{20} = 0; // S bit
1134 let Inst{24-21} = 0b0100;
1135 let Inst{27-25} = 0b000;
1137 } // isNotDuplicable = 1, isIndirectBranch = 1
1140 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
1141 // a two-value operand where a dag node expects two operands. :(
1142 def Bcc : ABI<0b1010, (outs), (ins brtarget:$target),
1143 IIC_Br, "b", "\t$target",
1144 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]>;
1147 // Branch and Exchange Jazelle -- for disassembly only
1148 def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
1149 [/* For disassembly only; pattern left blank */]> {
1150 let Inst{23-20} = 0b0010;
1151 //let Inst{19-8} = 0xfff;
1152 let Inst{7-4} = 0b0010;
1155 // Secure Monitor Call is a system instruction -- for disassembly only
1156 def SMC : ABI<0b0001, (outs), (ins i32imm:$opt), NoItinerary, "smc", "\t$opt",
1157 [/* For disassembly only; pattern left blank */]> {
1158 let Inst{23-20} = 0b0110;
1159 let Inst{7-4} = 0b0111;
1162 // Supervisor Call (Software Interrupt) -- for disassembly only
1164 def SVC : ABI<0b1111, (outs), (ins i32imm:$svc), IIC_Br, "svc", "\t$svc",
1165 [/* For disassembly only; pattern left blank */]>;
1168 // Store Return State is a system instruction -- for disassembly only
1169 def SRSW : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, i32imm:$mode),
1170 NoItinerary, "srs${addr:submode}\tsp!, $mode",
1171 [/* For disassembly only; pattern left blank */]> {
1172 let Inst{31-28} = 0b1111;
1173 let Inst{22-20} = 0b110; // W = 1
1176 def SRS : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, i32imm:$mode),
1177 NoItinerary, "srs${addr:submode}\tsp, $mode",
1178 [/* For disassembly only; pattern left blank */]> {
1179 let Inst{31-28} = 0b1111;
1180 let Inst{22-20} = 0b100; // W = 0
1183 // Return From Exception is a system instruction -- for disassembly only
1184 def RFEW : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, GPR:$base),
1185 NoItinerary, "rfe${addr:submode}\t$base!",
1186 [/* For disassembly only; pattern left blank */]> {
1187 let Inst{31-28} = 0b1111;
1188 let Inst{22-20} = 0b011; // W = 1
1191 def RFE : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, GPR:$base),
1192 NoItinerary, "rfe${addr:submode}\t$base",
1193 [/* For disassembly only; pattern left blank */]> {
1194 let Inst{31-28} = 0b1111;
1195 let Inst{22-20} = 0b001; // W = 0
1198 //===----------------------------------------------------------------------===//
1199 // Load / store Instructions.
1203 let canFoldAsLoad = 1, isReMaterializable = 1 in
1204 def LDR : AI2ldw<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm, IIC_iLoadr,
1205 "ldr", "\t$dst, $addr",
1206 [(set GPR:$dst, (load addrmode2:$addr))]>;
1208 // Special LDR for loads from non-pc-relative constpools.
1209 let canFoldAsLoad = 1, mayLoad = 1, neverHasSideEffects = 1,
1210 isReMaterializable = 1 in
1211 def LDRcp : AI2ldw<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm, IIC_iLoadr,
1212 "ldr", "\t$dst, $addr", []>;
1214 // Loads with zero extension
1215 def LDRH : AI3ldh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
1216 IIC_iLoadr, "ldrh", "\t$dst, $addr",
1217 [(set GPR:$dst, (zextloadi16 addrmode3:$addr))]>;
1219 def LDRB : AI2ldb<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm,
1220 IIC_iLoadr, "ldrb", "\t$dst, $addr",
1221 [(set GPR:$dst, (zextloadi8 addrmode2:$addr))]>;
1223 // Loads with sign extension
1224 def LDRSH : AI3ldsh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
1225 IIC_iLoadr, "ldrsh", "\t$dst, $addr",
1226 [(set GPR:$dst, (sextloadi16 addrmode3:$addr))]>;
1228 def LDRSB : AI3ldsb<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
1229 IIC_iLoadr, "ldrsb", "\t$dst, $addr",
1230 [(set GPR:$dst, (sextloadi8 addrmode3:$addr))]>;
1232 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1 in {
1234 def LDRD : AI3ldd<(outs GPR:$dst1, GPR:$dst2), (ins addrmode3:$addr), LdMiscFrm,
1235 IIC_iLoadr, "ldrd", "\t$dst1, $addr",
1236 []>, Requires<[IsARM, HasV5TE]>;
1239 def LDR_PRE : AI2ldwpr<(outs GPR:$dst, GPR:$base_wb),
1240 (ins addrmode2:$addr), LdFrm, IIC_iLoadru,
1241 "ldr", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1243 def LDR_POST : AI2ldwpo<(outs GPR:$dst, GPR:$base_wb),
1244 (ins GPR:$base, am2offset:$offset), LdFrm, IIC_iLoadru,
1245 "ldr", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1247 def LDRH_PRE : AI3ldhpr<(outs GPR:$dst, GPR:$base_wb),
1248 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadru,
1249 "ldrh", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1251 def LDRH_POST : AI3ldhpo<(outs GPR:$dst, GPR:$base_wb),
1252 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1253 "ldrh", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1255 def LDRB_PRE : AI2ldbpr<(outs GPR:$dst, GPR:$base_wb),
1256 (ins addrmode2:$addr), LdFrm, IIC_iLoadru,
1257 "ldrb", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1259 def LDRB_POST : AI2ldbpo<(outs GPR:$dst, GPR:$base_wb),
1260 (ins GPR:$base,am2offset:$offset), LdFrm, IIC_iLoadru,
1261 "ldrb", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1263 def LDRSH_PRE : AI3ldshpr<(outs GPR:$dst, GPR:$base_wb),
1264 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadru,
1265 "ldrsh", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1267 def LDRSH_POST: AI3ldshpo<(outs GPR:$dst, GPR:$base_wb),
1268 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1269 "ldrsh", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1271 def LDRSB_PRE : AI3ldsbpr<(outs GPR:$dst, GPR:$base_wb),
1272 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadru,
1273 "ldrsb", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1275 def LDRSB_POST: AI3ldsbpo<(outs GPR:$dst, GPR:$base_wb),
1276 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1277 "ldrsb", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1279 // For disassembly only
1280 def LDRD_PRE : AI3lddpr<(outs GPR:$dst1, GPR:$dst2, GPR:$base_wb),
1281 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadr,
1282 "ldrd", "\t$dst1, $dst2, $addr!", "$addr.base = $base_wb", []>,
1283 Requires<[IsARM, HasV5TE]>;
1285 // For disassembly only
1286 def LDRD_POST : AI3lddpo<(outs GPR:$dst1, GPR:$dst2, GPR:$base_wb),
1287 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadr,
1288 "ldrd", "\t$dst1, $dst2, [$base], $offset", "$base = $base_wb", []>,
1289 Requires<[IsARM, HasV5TE]>;
1291 } // mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1
1293 // LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT are for disassembly only.
1295 def LDRT : AI2ldwpo<(outs GPR:$dst, GPR:$base_wb),
1296 (ins GPR:$base, am2offset:$offset), LdFrm, IIC_iLoadru,
1297 "ldrt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1298 let Inst{21} = 1; // overwrite
1301 def LDRBT : AI2ldbpo<(outs GPR:$dst, GPR:$base_wb),
1302 (ins GPR:$base,am2offset:$offset), LdFrm, IIC_iLoadru,
1303 "ldrbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1304 let Inst{21} = 1; // overwrite
1307 def LDRSBT : AI3ldsbpo<(outs GPR:$dst, GPR:$base_wb),
1308 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1309 "ldrsbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1310 let Inst{21} = 1; // overwrite
1313 def LDRHT : AI3ldhpo<(outs GPR:$dst, GPR:$base_wb),
1314 (ins GPR:$base, am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1315 "ldrht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1316 let Inst{21} = 1; // overwrite
1319 def LDRSHT : AI3ldshpo<(outs GPR:$dst, GPR:$base_wb),
1320 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1321 "ldrsht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1322 let Inst{21} = 1; // overwrite
1326 def STR : AI2stw<(outs), (ins GPR:$src, addrmode2:$addr), StFrm, IIC_iStorer,
1327 "str", "\t$src, $addr",
1328 [(store GPR:$src, addrmode2:$addr)]>;
1330 // Stores with truncate
1331 def STRH : AI3sth<(outs), (ins GPR:$src, addrmode3:$addr), StMiscFrm,
1332 IIC_iStorer, "strh", "\t$src, $addr",
1333 [(truncstorei16 GPR:$src, addrmode3:$addr)]>;
1335 def STRB : AI2stb<(outs), (ins GPR:$src, addrmode2:$addr), StFrm, IIC_iStorer,
1336 "strb", "\t$src, $addr",
1337 [(truncstorei8 GPR:$src, addrmode2:$addr)]>;
1340 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in
1341 def STRD : AI3std<(outs), (ins GPR:$src1, GPR:$src2, addrmode3:$addr),
1342 StMiscFrm, IIC_iStorer,
1343 "strd", "\t$src1, $addr", []>, Requires<[IsARM, HasV5TE]>;
1346 def STR_PRE : AI2stwpr<(outs GPR:$base_wb),
1347 (ins GPR:$src, GPR:$base, am2offset:$offset),
1348 StFrm, IIC_iStoreru,
1349 "str", "\t$src, [$base, $offset]!", "$base = $base_wb",
1351 (pre_store GPR:$src, GPR:$base, am2offset:$offset))]>;
1353 def STR_POST : AI2stwpo<(outs GPR:$base_wb),
1354 (ins GPR:$src, GPR:$base,am2offset:$offset),
1355 StFrm, IIC_iStoreru,
1356 "str", "\t$src, [$base], $offset", "$base = $base_wb",
1358 (post_store GPR:$src, GPR:$base, am2offset:$offset))]>;
1360 def STRH_PRE : AI3sthpr<(outs GPR:$base_wb),
1361 (ins GPR:$src, GPR:$base,am3offset:$offset),
1362 StMiscFrm, IIC_iStoreru,
1363 "strh", "\t$src, [$base, $offset]!", "$base = $base_wb",
1365 (pre_truncsti16 GPR:$src, GPR:$base,am3offset:$offset))]>;
1367 def STRH_POST: AI3sthpo<(outs GPR:$base_wb),
1368 (ins GPR:$src, GPR:$base,am3offset:$offset),
1369 StMiscFrm, IIC_iStoreru,
1370 "strh", "\t$src, [$base], $offset", "$base = $base_wb",
1371 [(set GPR:$base_wb, (post_truncsti16 GPR:$src,
1372 GPR:$base, am3offset:$offset))]>;
1374 def STRB_PRE : AI2stbpr<(outs GPR:$base_wb),
1375 (ins GPR:$src, GPR:$base,am2offset:$offset),
1376 StFrm, IIC_iStoreru,
1377 "strb", "\t$src, [$base, $offset]!", "$base = $base_wb",
1378 [(set GPR:$base_wb, (pre_truncsti8 GPR:$src,
1379 GPR:$base, am2offset:$offset))]>;
1381 def STRB_POST: AI2stbpo<(outs GPR:$base_wb),
1382 (ins GPR:$src, GPR:$base,am2offset:$offset),
1383 StFrm, IIC_iStoreru,
1384 "strb", "\t$src, [$base], $offset", "$base = $base_wb",
1385 [(set GPR:$base_wb, (post_truncsti8 GPR:$src,
1386 GPR:$base, am2offset:$offset))]>;
1388 // For disassembly only
1389 def STRD_PRE : AI3stdpr<(outs GPR:$base_wb),
1390 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1391 StMiscFrm, IIC_iStoreru,
1392 "strd", "\t$src1, $src2, [$base, $offset]!",
1393 "$base = $base_wb", []>;
1395 // For disassembly only
1396 def STRD_POST: AI3stdpo<(outs GPR:$base_wb),
1397 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1398 StMiscFrm, IIC_iStoreru,
1399 "strd", "\t$src1, $src2, [$base], $offset",
1400 "$base = $base_wb", []>;
1402 // STRT, STRBT, and STRHT are for disassembly only.
1404 def STRT : AI2stwpo<(outs GPR:$base_wb),
1405 (ins GPR:$src, GPR:$base,am2offset:$offset),
1406 StFrm, IIC_iStoreru,
1407 "strt", "\t$src, [$base], $offset", "$base = $base_wb",
1408 [/* For disassembly only; pattern left blank */]> {
1409 let Inst{21} = 1; // overwrite
1412 def STRBT : AI2stbpo<(outs GPR:$base_wb),
1413 (ins GPR:$src, GPR:$base,am2offset:$offset),
1414 StFrm, IIC_iStoreru,
1415 "strbt", "\t$src, [$base], $offset", "$base = $base_wb",
1416 [/* For disassembly only; pattern left blank */]> {
1417 let Inst{21} = 1; // overwrite
1420 def STRHT: AI3sthpo<(outs GPR:$base_wb),
1421 (ins GPR:$src, GPR:$base,am3offset:$offset),
1422 StMiscFrm, IIC_iStoreru,
1423 "strht", "\t$src, [$base], $offset", "$base = $base_wb",
1424 [/* For disassembly only; pattern left blank */]> {
1425 let Inst{21} = 1; // overwrite
1428 //===----------------------------------------------------------------------===//
1429 // Load / store multiple Instructions.
1432 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1 in {
1433 def LDM : AXI4ld<(outs), (ins addrmode4:$addr, pred:$p,
1434 reglist:$dsts, variable_ops),
1435 IndexModeNone, LdStMulFrm, IIC_iLoadm,
1436 "ldm${addr:submode}${p}\t$addr, $dsts", "", []>;
1438 def LDM_UPD : AXI4ld<(outs GPR:$wb), (ins addrmode4:$addr, pred:$p,
1439 reglist:$dsts, variable_ops),
1440 IndexModeUpd, LdStMulFrm, IIC_iLoadm,
1441 "ldm${addr:submode}${p}\t$addr!, $dsts",
1442 "$addr.addr = $wb", []>;
1443 } // mayLoad, neverHasSideEffects, hasExtraDefRegAllocReq
1445 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in {
1446 def STM : AXI4st<(outs), (ins addrmode4:$addr, pred:$p,
1447 reglist:$srcs, variable_ops),
1448 IndexModeNone, LdStMulFrm, IIC_iStorem,
1449 "stm${addr:submode}${p}\t$addr, $srcs", "", []>;
1451 def STM_UPD : AXI4st<(outs GPR:$wb), (ins addrmode4:$addr, pred:$p,
1452 reglist:$srcs, variable_ops),
1453 IndexModeUpd, LdStMulFrm, IIC_iStorem,
1454 "stm${addr:submode}${p}\t$addr!, $srcs",
1455 "$addr.addr = $wb", []>;
1456 } // mayStore, neverHasSideEffects, hasExtraSrcRegAllocReq
1458 //===----------------------------------------------------------------------===//
1459 // Move Instructions.
1462 let neverHasSideEffects = 1 in
1463 def MOVr : AsI1<0b1101, (outs GPR:$dst), (ins GPR:$src), DPFrm, IIC_iMOVr,
1464 "mov", "\t$dst, $src", []>, UnaryDP {
1465 let Inst{11-4} = 0b00000000;
1469 // A version for the smaller set of tail call registers.
1470 let neverHasSideEffects = 1 in
1471 def MOVr_TC : AsI1<0b1101, (outs tcGPR:$dst), (ins tcGPR:$src), DPFrm,
1472 IIC_iMOVr, "mov", "\t$dst, $src", []>, UnaryDP {
1473 let Inst{11-4} = 0b00000000;
1477 def MOVs : AsI1<0b1101, (outs GPR:$dst), (ins so_reg:$src),
1478 DPSoRegFrm, IIC_iMOVsr,
1479 "mov", "\t$dst, $src", [(set GPR:$dst, so_reg:$src)]>, UnaryDP {
1483 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
1484 def MOVi : AsI1<0b1101, (outs GPR:$dst), (ins so_imm:$src), DPFrm, IIC_iMOVi,
1485 "mov", "\t$dst, $src", [(set GPR:$dst, so_imm:$src)]>, UnaryDP {
1489 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
1490 def MOVi16 : AI1<0b1000, (outs GPR:$dst), (ins i32imm:$src),
1492 "movw", "\t$dst, $src",
1493 [(set GPR:$dst, imm0_65535:$src)]>,
1494 Requires<[IsARM, HasV6T2]>, UnaryDP {
1499 let Constraints = "$src = $dst" in
1500 def MOVTi16 : AI1<0b1010, (outs GPR:$dst), (ins GPR:$src, i32imm:$imm),
1502 "movt", "\t$dst, $imm",
1504 (or (and GPR:$src, 0xffff),
1505 lo16AllZero:$imm))]>, UnaryDP,
1506 Requires<[IsARM, HasV6T2]> {
1511 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
1512 Requires<[IsARM, HasV6T2]>;
1514 let Uses = [CPSR] in
1515 def MOVrx : AsI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo, IIC_iMOVsi,
1516 "mov", "\t$dst, $src, rrx",
1517 [(set GPR:$dst, (ARMrrx GPR:$src))]>, UnaryDP;
1519 // These aren't really mov instructions, but we have to define them this way
1520 // due to flag operands.
1522 let Defs = [CPSR] in {
1523 def MOVsrl_flag : AI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo,
1524 IIC_iMOVsi, "movs", "\t$dst, $src, lsr #1",
1525 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP;
1526 def MOVsra_flag : AI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo,
1527 IIC_iMOVsi, "movs", "\t$dst, $src, asr #1",
1528 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP;
1531 //===----------------------------------------------------------------------===//
1532 // Extend Instructions.
1537 defm SXTB : AI_unary_rrot<0b01101010,
1538 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
1539 defm SXTH : AI_unary_rrot<0b01101011,
1540 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
1542 defm SXTAB : AI_bin_rrot<0b01101010,
1543 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
1544 defm SXTAH : AI_bin_rrot<0b01101011,
1545 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
1547 // For disassembly only
1548 defm SXTB16 : AI_unary_rrot_np<0b01101000, "sxtb16">;
1550 // For disassembly only
1551 defm SXTAB16 : AI_bin_rrot_np<0b01101000, "sxtab16">;
1555 let AddedComplexity = 16 in {
1556 defm UXTB : AI_unary_rrot<0b01101110,
1557 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
1558 defm UXTH : AI_unary_rrot<0b01101111,
1559 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
1560 defm UXTB16 : AI_unary_rrot<0b01101100,
1561 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
1563 def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
1564 (UXTB16r_rot GPR:$Src, 24)>;
1565 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
1566 (UXTB16r_rot GPR:$Src, 8)>;
1568 defm UXTAB : AI_bin_rrot<0b01101110, "uxtab",
1569 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
1570 defm UXTAH : AI_bin_rrot<0b01101111, "uxtah",
1571 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
1574 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
1575 // For disassembly only
1576 defm UXTAB16 : AI_bin_rrot_np<0b01101100, "uxtab16">;
1579 def SBFX : I<(outs GPR:$dst),
1580 (ins GPR:$src, imm0_31:$lsb, imm0_31:$width),
1581 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iALUi,
1582 "sbfx", "\t$dst, $src, $lsb, $width", "", []>,
1583 Requires<[IsARM, HasV6T2]> {
1584 let Inst{27-21} = 0b0111101;
1585 let Inst{6-4} = 0b101;
1588 def UBFX : I<(outs GPR:$dst),
1589 (ins GPR:$src, imm0_31:$lsb, imm0_31:$width),
1590 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iALUi,
1591 "ubfx", "\t$dst, $src, $lsb, $width", "", []>,
1592 Requires<[IsARM, HasV6T2]> {
1593 let Inst{27-21} = 0b0111111;
1594 let Inst{6-4} = 0b101;
1597 //===----------------------------------------------------------------------===//
1598 // Arithmetic Instructions.
1601 defm ADD : AsI1_bin_irs<0b0100, "add",
1602 BinOpFrag<(add node:$LHS, node:$RHS)>, 1>;
1603 defm SUB : AsI1_bin_irs<0b0010, "sub",
1604 BinOpFrag<(sub node:$LHS, node:$RHS)>>;
1606 // ADD and SUB with 's' bit set.
1607 defm ADDS : AI1_bin_s_irs<0b0100, "adds",
1608 BinOpFrag<(addc node:$LHS, node:$RHS)>, 1>;
1609 defm SUBS : AI1_bin_s_irs<0b0010, "subs",
1610 BinOpFrag<(subc node:$LHS, node:$RHS)>>;
1612 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
1613 BinOpFrag<(adde_dead_carry node:$LHS, node:$RHS)>, 1>;
1614 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
1615 BinOpFrag<(sube_dead_carry node:$LHS, node:$RHS)>>;
1616 defm ADCS : AI1_adde_sube_s_irs<0b0101, "adcs",
1617 BinOpFrag<(adde_live_carry node:$LHS, node:$RHS)>, 1>;
1618 defm SBCS : AI1_adde_sube_s_irs<0b0110, "sbcs",
1619 BinOpFrag<(sube_live_carry node:$LHS, node:$RHS) >>;
1621 // These don't define reg/reg forms, because they are handled above.
1622 def RSBri : AsI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
1623 IIC_iALUi, "rsb", "\t$dst, $a, $b",
1624 [(set GPR:$dst, (sub so_imm:$b, GPR:$a))]> {
1628 def RSBrs : AsI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
1629 IIC_iALUsr, "rsb", "\t$dst, $a, $b",
1630 [(set GPR:$dst, (sub so_reg:$b, GPR:$a))]> {
1634 // RSB with 's' bit set.
1635 let Defs = [CPSR] in {
1636 def RSBSri : AI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
1637 IIC_iALUi, "rsbs", "\t$dst, $a, $b",
1638 [(set GPR:$dst, (subc so_imm:$b, GPR:$a))]> {
1642 def RSBSrs : AI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
1643 IIC_iALUsr, "rsbs", "\t$dst, $a, $b",
1644 [(set GPR:$dst, (subc so_reg:$b, GPR:$a))]> {
1650 let Uses = [CPSR] in {
1651 def RSCri : AsI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
1652 DPFrm, IIC_iALUi, "rsc", "\t$dst, $a, $b",
1653 [(set GPR:$dst, (sube_dead_carry so_imm:$b, GPR:$a))]>,
1657 def RSCrs : AsI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
1658 DPSoRegFrm, IIC_iALUsr, "rsc", "\t$dst, $a, $b",
1659 [(set GPR:$dst, (sube_dead_carry so_reg:$b, GPR:$a))]>,
1665 // FIXME: Allow these to be predicated.
1666 let Defs = [CPSR], Uses = [CPSR] in {
1667 def RSCSri : AXI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
1668 DPFrm, IIC_iALUi, "rscs\t$dst, $a, $b",
1669 [(set GPR:$dst, (sube_dead_carry so_imm:$b, GPR:$a))]>,
1674 def RSCSrs : AXI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
1675 DPSoRegFrm, IIC_iALUsr, "rscs\t$dst, $a, $b",
1676 [(set GPR:$dst, (sube_dead_carry so_reg:$b, GPR:$a))]>,
1683 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
1684 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
1685 (SUBri GPR:$src, so_imm_neg:$imm)>;
1687 //def : ARMPat<(addc GPR:$src, so_imm_neg:$imm),
1688 // (SUBSri GPR:$src, so_imm_neg:$imm)>;
1689 //def : ARMPat<(adde GPR:$src, so_imm_neg:$imm),
1690 // (SBCri GPR:$src, so_imm_neg:$imm)>;
1692 // Note: These are implemented in C++ code, because they have to generate
1693 // ADD/SUBrs instructions, which use a complex pattern that a xform function
1695 // (mul X, 2^n+1) -> (add (X << n), X)
1696 // (mul X, 2^n-1) -> (rsb X, (X << n))
1698 // ARM Arithmetic Instruction -- for disassembly only
1699 // GPR:$dst = GPR:$a op GPR:$b
1700 class AAI<bits<8> op27_20, bits<4> op7_4, string opc>
1701 : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm, IIC_iALUr,
1702 opc, "\t$dst, $a, $b",
1703 [/* For disassembly only; pattern left blank */]> {
1704 let Inst{27-20} = op27_20;
1705 let Inst{7-4} = op7_4;
1708 // Saturating add/subtract -- for disassembly only
1710 def QADD : AAI<0b00010000, 0b0101, "qadd">;
1711 def QADD16 : AAI<0b01100010, 0b0001, "qadd16">;
1712 def QADD8 : AAI<0b01100010, 0b1001, "qadd8">;
1713 def QASX : AAI<0b01100010, 0b0011, "qasx">;
1714 def QDADD : AAI<0b00010100, 0b0101, "qdadd">;
1715 def QDSUB : AAI<0b00010110, 0b0101, "qdsub">;
1716 def QSAX : AAI<0b01100010, 0b0101, "qsax">;
1717 def QSUB : AAI<0b00010010, 0b0101, "qsub">;
1718 def QSUB16 : AAI<0b01100010, 0b0111, "qsub16">;
1719 def QSUB8 : AAI<0b01100010, 0b1111, "qsub8">;
1720 def UQADD16 : AAI<0b01100110, 0b0001, "uqadd16">;
1721 def UQADD8 : AAI<0b01100110, 0b1001, "uqadd8">;
1722 def UQASX : AAI<0b01100110, 0b0011, "uqasx">;
1723 def UQSAX : AAI<0b01100110, 0b0101, "uqsax">;
1724 def UQSUB16 : AAI<0b01100110, 0b0111, "uqsub16">;
1725 def UQSUB8 : AAI<0b01100110, 0b1111, "uqsub8">;
1727 // Signed/Unsigned add/subtract -- for disassembly only
1729 def SASX : AAI<0b01100001, 0b0011, "sasx">;
1730 def SADD16 : AAI<0b01100001, 0b0001, "sadd16">;
1731 def SADD8 : AAI<0b01100001, 0b1001, "sadd8">;
1732 def SSAX : AAI<0b01100001, 0b0101, "ssax">;
1733 def SSUB16 : AAI<0b01100001, 0b0111, "ssub16">;
1734 def SSUB8 : AAI<0b01100001, 0b1111, "ssub8">;
1735 def UASX : AAI<0b01100101, 0b0011, "uasx">;
1736 def UADD16 : AAI<0b01100101, 0b0001, "uadd16">;
1737 def UADD8 : AAI<0b01100101, 0b1001, "uadd8">;
1738 def USAX : AAI<0b01100101, 0b0101, "usax">;
1739 def USUB16 : AAI<0b01100101, 0b0111, "usub16">;
1740 def USUB8 : AAI<0b01100101, 0b1111, "usub8">;
1742 // Signed/Unsigned halving add/subtract -- for disassembly only
1744 def SHASX : AAI<0b01100011, 0b0011, "shasx">;
1745 def SHADD16 : AAI<0b01100011, 0b0001, "shadd16">;
1746 def SHADD8 : AAI<0b01100011, 0b1001, "shadd8">;
1747 def SHSAX : AAI<0b01100011, 0b0101, "shsax">;
1748 def SHSUB16 : AAI<0b01100011, 0b0111, "shsub16">;
1749 def SHSUB8 : AAI<0b01100011, 0b1111, "shsub8">;
1750 def UHASX : AAI<0b01100111, 0b0011, "uhasx">;
1751 def UHADD16 : AAI<0b01100111, 0b0001, "uhadd16">;
1752 def UHADD8 : AAI<0b01100111, 0b1001, "uhadd8">;
1753 def UHSAX : AAI<0b01100111, 0b0101, "uhsax">;
1754 def UHSUB16 : AAI<0b01100111, 0b0111, "uhsub16">;
1755 def UHSUB8 : AAI<0b01100111, 0b1111, "uhsub8">;
1757 // Unsigned Sum of Absolute Differences [and Accumulate] -- for disassembly only
1759 def USAD8 : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b),
1760 MulFrm /* for convenience */, NoItinerary, "usad8",
1761 "\t$dst, $a, $b", []>,
1762 Requires<[IsARM, HasV6]> {
1763 let Inst{27-20} = 0b01111000;
1764 let Inst{15-12} = 0b1111;
1765 let Inst{7-4} = 0b0001;
1767 def USADA8 : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1768 MulFrm /* for convenience */, NoItinerary, "usada8",
1769 "\t$dst, $a, $b, $acc", []>,
1770 Requires<[IsARM, HasV6]> {
1771 let Inst{27-20} = 0b01111000;
1772 let Inst{7-4} = 0b0001;
1775 // Signed/Unsigned saturate -- for disassembly only
1777 def SSATlsl : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a, i32imm:$shamt),
1778 DPFrm, NoItinerary, "ssat", "\t$dst, $bit_pos, $a, lsl $shamt",
1779 [/* For disassembly only; pattern left blank */]> {
1780 let Inst{27-21} = 0b0110101;
1781 let Inst{6-4} = 0b001;
1784 def SSATasr : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a, i32imm:$shamt),
1785 DPFrm, NoItinerary, "ssat", "\t$dst, $bit_pos, $a, asr $shamt",
1786 [/* For disassembly only; pattern left blank */]> {
1787 let Inst{27-21} = 0b0110101;
1788 let Inst{6-4} = 0b101;
1791 def SSAT16 : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a), DPFrm,
1792 NoItinerary, "ssat16", "\t$dst, $bit_pos, $a",
1793 [/* For disassembly only; pattern left blank */]> {
1794 let Inst{27-20} = 0b01101010;
1795 let Inst{7-4} = 0b0011;
1798 def USATlsl : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a, i32imm:$shamt),
1799 DPFrm, NoItinerary, "usat", "\t$dst, $bit_pos, $a, lsl $shamt",
1800 [/* For disassembly only; pattern left blank */]> {
1801 let Inst{27-21} = 0b0110111;
1802 let Inst{6-4} = 0b001;
1805 def USATasr : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a, i32imm:$shamt),
1806 DPFrm, NoItinerary, "usat", "\t$dst, $bit_pos, $a, asr $shamt",
1807 [/* For disassembly only; pattern left blank */]> {
1808 let Inst{27-21} = 0b0110111;
1809 let Inst{6-4} = 0b101;
1812 def USAT16 : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a), DPFrm,
1813 NoItinerary, "usat16", "\t$dst, $bit_pos, $a",
1814 [/* For disassembly only; pattern left blank */]> {
1815 let Inst{27-20} = 0b01101110;
1816 let Inst{7-4} = 0b0011;
1819 //===----------------------------------------------------------------------===//
1820 // Bitwise Instructions.
1823 defm AND : AsI1_bin_irs<0b0000, "and",
1824 BinOpFrag<(and node:$LHS, node:$RHS)>, 1>;
1825 defm ORR : AsI1_bin_irs<0b1100, "orr",
1826 BinOpFrag<(or node:$LHS, node:$RHS)>, 1>;
1827 defm EOR : AsI1_bin_irs<0b0001, "eor",
1828 BinOpFrag<(xor node:$LHS, node:$RHS)>, 1>;
1829 defm BIC : AsI1_bin_irs<0b1110, "bic",
1830 BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
1832 def BFC : I<(outs GPR:$dst), (ins GPR:$src, bf_inv_mask_imm:$imm),
1833 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
1834 "bfc", "\t$dst, $imm", "$src = $dst",
1835 [(set GPR:$dst, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
1836 Requires<[IsARM, HasV6T2]> {
1837 let Inst{27-21} = 0b0111110;
1838 let Inst{6-0} = 0b0011111;
1841 // A8.6.18 BFI - Bitfield insert (Encoding A1)
1842 // Added for disassembler with the pattern field purposely left blank.
1843 def BFI : I<(outs GPR:$dst), (ins GPR:$src, bf_inv_mask_imm:$imm),
1844 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
1845 "bfi", "\t$dst, $src, $imm", "",
1846 [/* For disassembly only; pattern left blank */]>,
1847 Requires<[IsARM, HasV6T2]> {
1848 let Inst{27-21} = 0b0111110;
1849 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
1852 def MVNr : AsI1<0b1111, (outs GPR:$dst), (ins GPR:$src), DPFrm, IIC_iMOVr,
1853 "mvn", "\t$dst, $src",
1854 [(set GPR:$dst, (not GPR:$src))]>, UnaryDP {
1856 let Inst{11-4} = 0b00000000;
1858 def MVNs : AsI1<0b1111, (outs GPR:$dst), (ins so_reg:$src), DPSoRegFrm,
1859 IIC_iMOVsr, "mvn", "\t$dst, $src",
1860 [(set GPR:$dst, (not so_reg:$src))]>, UnaryDP {
1863 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
1864 def MVNi : AsI1<0b1111, (outs GPR:$dst), (ins so_imm:$imm), DPFrm,
1865 IIC_iMOVi, "mvn", "\t$dst, $imm",
1866 [(set GPR:$dst, so_imm_not:$imm)]>,UnaryDP {
1870 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
1871 (BICri GPR:$src, so_imm_not:$imm)>;
1873 //===----------------------------------------------------------------------===//
1874 // Multiply Instructions.
1877 let isCommutable = 1 in
1878 def MUL : AsMul1I<0b0000000, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1879 IIC_iMUL32, "mul", "\t$dst, $a, $b",
1880 [(set GPR:$dst, (mul GPR:$a, GPR:$b))]>;
1882 def MLA : AsMul1I<0b0000001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1883 IIC_iMAC32, "mla", "\t$dst, $a, $b, $c",
1884 [(set GPR:$dst, (add (mul GPR:$a, GPR:$b), GPR:$c))]>;
1886 def MLS : AMul1I<0b0000011, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1887 IIC_iMAC32, "mls", "\t$dst, $a, $b, $c",
1888 [(set GPR:$dst, (sub GPR:$c, (mul GPR:$a, GPR:$b)))]>,
1889 Requires<[IsARM, HasV6T2]>;
1891 // Extra precision multiplies with low / high results
1892 let neverHasSideEffects = 1 in {
1893 let isCommutable = 1 in {
1894 def SMULL : AsMul1I<0b0000110, (outs GPR:$ldst, GPR:$hdst),
1895 (ins GPR:$a, GPR:$b), IIC_iMUL64,
1896 "smull", "\t$ldst, $hdst, $a, $b", []>;
1898 def UMULL : AsMul1I<0b0000100, (outs GPR:$ldst, GPR:$hdst),
1899 (ins GPR:$a, GPR:$b), IIC_iMUL64,
1900 "umull", "\t$ldst, $hdst, $a, $b", []>;
1903 // Multiply + accumulate
1904 def SMLAL : AsMul1I<0b0000111, (outs GPR:$ldst, GPR:$hdst),
1905 (ins GPR:$a, GPR:$b), IIC_iMAC64,
1906 "smlal", "\t$ldst, $hdst, $a, $b", []>;
1908 def UMLAL : AsMul1I<0b0000101, (outs GPR:$ldst, GPR:$hdst),
1909 (ins GPR:$a, GPR:$b), IIC_iMAC64,
1910 "umlal", "\t$ldst, $hdst, $a, $b", []>;
1912 def UMAAL : AMul1I <0b0000010, (outs GPR:$ldst, GPR:$hdst),
1913 (ins GPR:$a, GPR:$b), IIC_iMAC64,
1914 "umaal", "\t$ldst, $hdst, $a, $b", []>,
1915 Requires<[IsARM, HasV6]>;
1916 } // neverHasSideEffects
1918 // Most significant word multiply
1919 def SMMUL : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1920 IIC_iMUL32, "smmul", "\t$dst, $a, $b",
1921 [(set GPR:$dst, (mulhs GPR:$a, GPR:$b))]>,
1922 Requires<[IsARM, HasV6]> {
1923 let Inst{7-4} = 0b0001;
1924 let Inst{15-12} = 0b1111;
1927 def SMMULR : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1928 IIC_iMUL32, "smmulr", "\t$dst, $a, $b",
1929 [/* For disassembly only; pattern left blank */]>,
1930 Requires<[IsARM, HasV6]> {
1931 let Inst{7-4} = 0b0011; // R = 1
1932 let Inst{15-12} = 0b1111;
1935 def SMMLA : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1936 IIC_iMAC32, "smmla", "\t$dst, $a, $b, $c",
1937 [(set GPR:$dst, (add (mulhs GPR:$a, GPR:$b), GPR:$c))]>,
1938 Requires<[IsARM, HasV6]> {
1939 let Inst{7-4} = 0b0001;
1942 def SMMLAR : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1943 IIC_iMAC32, "smmlar", "\t$dst, $a, $b, $c",
1944 [/* For disassembly only; pattern left blank */]>,
1945 Requires<[IsARM, HasV6]> {
1946 let Inst{7-4} = 0b0011; // R = 1
1949 def SMMLS : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1950 IIC_iMAC32, "smmls", "\t$dst, $a, $b, $c",
1951 [(set GPR:$dst, (sub GPR:$c, (mulhs GPR:$a, GPR:$b)))]>,
1952 Requires<[IsARM, HasV6]> {
1953 let Inst{7-4} = 0b1101;
1956 def SMMLSR : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1957 IIC_iMAC32, "smmlsr", "\t$dst, $a, $b, $c",
1958 [/* For disassembly only; pattern left blank */]>,
1959 Requires<[IsARM, HasV6]> {
1960 let Inst{7-4} = 0b1111; // R = 1
1963 multiclass AI_smul<string opc, PatFrag opnode> {
1964 def BB : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1965 IIC_iMUL32, !strconcat(opc, "bb"), "\t$dst, $a, $b",
1966 [(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16),
1967 (sext_inreg GPR:$b, i16)))]>,
1968 Requires<[IsARM, HasV5TE]> {
1973 def BT : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1974 IIC_iMUL32, !strconcat(opc, "bt"), "\t$dst, $a, $b",
1975 [(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16),
1976 (sra GPR:$b, (i32 16))))]>,
1977 Requires<[IsARM, HasV5TE]> {
1982 def TB : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1983 IIC_iMUL32, !strconcat(opc, "tb"), "\t$dst, $a, $b",
1984 [(set GPR:$dst, (opnode (sra GPR:$a, (i32 16)),
1985 (sext_inreg GPR:$b, i16)))]>,
1986 Requires<[IsARM, HasV5TE]> {
1991 def TT : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1992 IIC_iMUL32, !strconcat(opc, "tt"), "\t$dst, $a, $b",
1993 [(set GPR:$dst, (opnode (sra GPR:$a, (i32 16)),
1994 (sra GPR:$b, (i32 16))))]>,
1995 Requires<[IsARM, HasV5TE]> {
2000 def WB : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2001 IIC_iMUL16, !strconcat(opc, "wb"), "\t$dst, $a, $b",
2002 [(set GPR:$dst, (sra (opnode GPR:$a,
2003 (sext_inreg GPR:$b, i16)), (i32 16)))]>,
2004 Requires<[IsARM, HasV5TE]> {
2009 def WT : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2010 IIC_iMUL16, !strconcat(opc, "wt"), "\t$dst, $a, $b",
2011 [(set GPR:$dst, (sra (opnode GPR:$a,
2012 (sra GPR:$b, (i32 16))), (i32 16)))]>,
2013 Requires<[IsARM, HasV5TE]> {
2020 multiclass AI_smla<string opc, PatFrag opnode> {
2021 def BB : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2022 IIC_iMAC16, !strconcat(opc, "bb"), "\t$dst, $a, $b, $acc",
2023 [(set GPR:$dst, (add GPR:$acc,
2024 (opnode (sext_inreg GPR:$a, i16),
2025 (sext_inreg GPR:$b, i16))))]>,
2026 Requires<[IsARM, HasV5TE]> {
2031 def BT : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2032 IIC_iMAC16, !strconcat(opc, "bt"), "\t$dst, $a, $b, $acc",
2033 [(set GPR:$dst, (add GPR:$acc, (opnode (sext_inreg GPR:$a, i16),
2034 (sra GPR:$b, (i32 16)))))]>,
2035 Requires<[IsARM, HasV5TE]> {
2040 def TB : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2041 IIC_iMAC16, !strconcat(opc, "tb"), "\t$dst, $a, $b, $acc",
2042 [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, (i32 16)),
2043 (sext_inreg GPR:$b, i16))))]>,
2044 Requires<[IsARM, HasV5TE]> {
2049 def TT : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2050 IIC_iMAC16, !strconcat(opc, "tt"), "\t$dst, $a, $b, $acc",
2051 [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, (i32 16)),
2052 (sra GPR:$b, (i32 16)))))]>,
2053 Requires<[IsARM, HasV5TE]> {
2058 def WB : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2059 IIC_iMAC16, !strconcat(opc, "wb"), "\t$dst, $a, $b, $acc",
2060 [(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a,
2061 (sext_inreg GPR:$b, i16)), (i32 16))))]>,
2062 Requires<[IsARM, HasV5TE]> {
2067 def WT : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2068 IIC_iMAC16, !strconcat(opc, "wt"), "\t$dst, $a, $b, $acc",
2069 [(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a,
2070 (sra GPR:$b, (i32 16))), (i32 16))))]>,
2071 Requires<[IsARM, HasV5TE]> {
2077 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
2078 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
2080 // Halfword multiply accumulate long: SMLAL<x><y> -- for disassembly only
2081 def SMLALBB : AMulxyI<0b0001010,(outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
2082 IIC_iMAC64, "smlalbb", "\t$ldst, $hdst, $a, $b",
2083 [/* For disassembly only; pattern left blank */]>,
2084 Requires<[IsARM, HasV5TE]> {
2089 def SMLALBT : AMulxyI<0b0001010,(outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
2090 IIC_iMAC64, "smlalbt", "\t$ldst, $hdst, $a, $b",
2091 [/* For disassembly only; pattern left blank */]>,
2092 Requires<[IsARM, HasV5TE]> {
2097 def SMLALTB : AMulxyI<0b0001010,(outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
2098 IIC_iMAC64, "smlaltb", "\t$ldst, $hdst, $a, $b",
2099 [/* For disassembly only; pattern left blank */]>,
2100 Requires<[IsARM, HasV5TE]> {
2105 def SMLALTT : AMulxyI<0b0001010,(outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
2106 IIC_iMAC64, "smlaltt", "\t$ldst, $hdst, $a, $b",
2107 [/* For disassembly only; pattern left blank */]>,
2108 Requires<[IsARM, HasV5TE]> {
2113 // Helper class for AI_smld -- for disassembly only
2114 class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
2115 InstrItinClass itin, string opc, string asm>
2116 : AI<oops, iops, MulFrm, itin, opc, asm, []>, Requires<[IsARM, HasV6]> {
2121 let Inst{21-20} = 0b00;
2122 let Inst{22} = long;
2123 let Inst{27-23} = 0b01110;
2126 multiclass AI_smld<bit sub, string opc> {
2128 def D : AMulDualI<0, sub, 0, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2129 NoItinerary, !strconcat(opc, "d"), "\t$dst, $a, $b, $acc">;
2131 def DX : AMulDualI<0, sub, 1, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2132 NoItinerary, !strconcat(opc, "dx"), "\t$dst, $a, $b, $acc">;
2134 def LD : AMulDualI<1, sub, 0, (outs GPR:$ldst,GPR:$hdst), (ins GPR:$a,GPR:$b),
2135 NoItinerary, !strconcat(opc, "ld"), "\t$ldst, $hdst, $a, $b">;
2137 def LDX : AMulDualI<1, sub, 1, (outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
2138 NoItinerary, !strconcat(opc, "ldx"),"\t$ldst, $hdst, $a, $b">;
2142 defm SMLA : AI_smld<0, "smla">;
2143 defm SMLS : AI_smld<1, "smls">;
2145 multiclass AI_sdml<bit sub, string opc> {
2147 def D : AMulDualI<0, sub, 0, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2148 NoItinerary, !strconcat(opc, "d"), "\t$dst, $a, $b"> {
2149 let Inst{15-12} = 0b1111;
2152 def DX : AMulDualI<0, sub, 1, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2153 NoItinerary, !strconcat(opc, "dx"), "\t$dst, $a, $b"> {
2154 let Inst{15-12} = 0b1111;
2159 defm SMUA : AI_sdml<0, "smua">;
2160 defm SMUS : AI_sdml<1, "smus">;
2162 //===----------------------------------------------------------------------===//
2163 // Misc. Arithmetic Instructions.
2166 def CLZ : AMiscA1I<0b000010110, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
2167 "clz", "\t$dst, $src",
2168 [(set GPR:$dst, (ctlz GPR:$src))]>, Requires<[IsARM, HasV5T]> {
2169 let Inst{7-4} = 0b0001;
2170 let Inst{11-8} = 0b1111;
2171 let Inst{19-16} = 0b1111;
2174 def RBIT : AMiscA1I<0b01101111, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
2175 "rbit", "\t$dst, $src",
2176 [(set GPR:$dst, (ARMrbit GPR:$src))]>,
2177 Requires<[IsARM, HasV6T2]> {
2178 let Inst{7-4} = 0b0011;
2179 let Inst{11-8} = 0b1111;
2180 let Inst{19-16} = 0b1111;
2183 def REV : AMiscA1I<0b01101011, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
2184 "rev", "\t$dst, $src",
2185 [(set GPR:$dst, (bswap GPR:$src))]>, Requires<[IsARM, HasV6]> {
2186 let Inst{7-4} = 0b0011;
2187 let Inst{11-8} = 0b1111;
2188 let Inst{19-16} = 0b1111;
2191 def REV16 : AMiscA1I<0b01101011, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
2192 "rev16", "\t$dst, $src",
2194 (or (and (srl GPR:$src, (i32 8)), 0xFF),
2195 (or (and (shl GPR:$src, (i32 8)), 0xFF00),
2196 (or (and (srl GPR:$src, (i32 8)), 0xFF0000),
2197 (and (shl GPR:$src, (i32 8)), 0xFF000000)))))]>,
2198 Requires<[IsARM, HasV6]> {
2199 let Inst{7-4} = 0b1011;
2200 let Inst{11-8} = 0b1111;
2201 let Inst{19-16} = 0b1111;
2204 def REVSH : AMiscA1I<0b01101111, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
2205 "revsh", "\t$dst, $src",
2208 (or (srl (and GPR:$src, 0xFF00), (i32 8)),
2209 (shl GPR:$src, (i32 8))), i16))]>,
2210 Requires<[IsARM, HasV6]> {
2211 let Inst{7-4} = 0b1011;
2212 let Inst{11-8} = 0b1111;
2213 let Inst{19-16} = 0b1111;
2216 def PKHBT : AMiscA1I<0b01101000, (outs GPR:$dst),
2217 (ins GPR:$src1, GPR:$src2, i32imm:$shamt),
2218 IIC_iALUsi, "pkhbt", "\t$dst, $src1, $src2, lsl $shamt",
2219 [(set GPR:$dst, (or (and GPR:$src1, 0xFFFF),
2220 (and (shl GPR:$src2, (i32 imm:$shamt)),
2222 Requires<[IsARM, HasV6]> {
2223 let Inst{6-4} = 0b001;
2226 // Alternate cases for PKHBT where identities eliminate some nodes.
2227 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF), (and GPR:$src2, 0xFFFF0000)),
2228 (PKHBT GPR:$src1, GPR:$src2, 0)>;
2229 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF), (shl GPR:$src2, imm16_31:$shamt)),
2230 (PKHBT GPR:$src1, GPR:$src2, imm16_31:$shamt)>;
2233 def PKHTB : AMiscA1I<0b01101000, (outs GPR:$dst),
2234 (ins GPR:$src1, GPR:$src2, i32imm:$shamt),
2235 IIC_iALUsi, "pkhtb", "\t$dst, $src1, $src2, asr $shamt",
2236 [(set GPR:$dst, (or (and GPR:$src1, 0xFFFF0000),
2237 (and (sra GPR:$src2, imm16_31:$shamt),
2238 0xFFFF)))]>, Requires<[IsARM, HasV6]> {
2239 let Inst{6-4} = 0b101;
2242 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
2243 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
2244 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000), (srl GPR:$src2, (i32 16))),
2245 (PKHTB GPR:$src1, GPR:$src2, 16)>;
2246 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000),
2247 (and (srl GPR:$src2, imm1_15:$shamt), 0xFFFF)),
2248 (PKHTB GPR:$src1, GPR:$src2, imm1_15:$shamt)>;
2250 //===----------------------------------------------------------------------===//
2251 // Comparison Instructions...
2254 defm CMP : AI1_cmp_irs<0b1010, "cmp",
2255 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
2256 //FIXME: Disable CMN, as CCodes are backwards from compare expectations
2257 // Compare-to-zero still works out, just not the relationals
2258 //defm CMN : AI1_cmp_irs<0b1011, "cmn",
2259 // BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
2261 // Note that TST/TEQ don't set all the same flags that CMP does!
2262 defm TST : AI1_cmp_irs<0b1000, "tst",
2263 BinOpFrag<(ARMcmpZ (and node:$LHS, node:$RHS), 0)>, 1>;
2264 defm TEQ : AI1_cmp_irs<0b1001, "teq",
2265 BinOpFrag<(ARMcmpZ (xor node:$LHS, node:$RHS), 0)>, 1>;
2267 defm CMPz : AI1_cmp_irs<0b1010, "cmp",
2268 BinOpFrag<(ARMcmpZ node:$LHS, node:$RHS)>>;
2269 defm CMNz : AI1_cmp_irs<0b1011, "cmn",
2270 BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>>;
2272 //def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
2273 // (CMNri GPR:$src, so_imm_neg:$imm)>;
2275 def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
2276 (CMNzri GPR:$src, so_imm_neg:$imm)>;
2279 // Conditional moves
2280 // FIXME: should be able to write a pattern for ARMcmov, but can't use
2281 // a two-value operand where a dag node expects two operands. :(
2282 let neverHasSideEffects = 1 in {
2283 def MOVCCr : AI1<0b1101, (outs GPR:$dst), (ins GPR:$false, GPR:$true), DPFrm,
2284 IIC_iCMOVr, "mov", "\t$dst, $true",
2285 [/*(set GPR:$dst, (ARMcmov GPR:$false, GPR:$true, imm:$cc, CCR:$ccr))*/]>,
2286 RegConstraint<"$false = $dst">, UnaryDP {
2287 let Inst{11-4} = 0b00000000;
2291 def MOVCCs : AI1<0b1101, (outs GPR:$dst),
2292 (ins GPR:$false, so_reg:$true), DPSoRegFrm, IIC_iCMOVsr,
2293 "mov", "\t$dst, $true",
2294 [/*(set GPR:$dst, (ARMcmov GPR:$false, so_reg:$true, imm:$cc, CCR:$ccr))*/]>,
2295 RegConstraint<"$false = $dst">, UnaryDP {
2299 def MOVCCi : AI1<0b1101, (outs GPR:$dst),
2300 (ins GPR:$false, so_imm:$true), DPFrm, IIC_iCMOVi,
2301 "mov", "\t$dst, $true",
2302 [/*(set GPR:$dst, (ARMcmov GPR:$false, so_imm:$true, imm:$cc, CCR:$ccr))*/]>,
2303 RegConstraint<"$false = $dst">, UnaryDP {
2306 } // neverHasSideEffects
2308 //===----------------------------------------------------------------------===//
2309 // Atomic operations intrinsics
2312 // memory barriers protect the atomic sequences
2313 let hasSideEffects = 1 in {
2314 def Int_MemBarrierV7 : AInoP<(outs), (ins),
2315 Pseudo, NoItinerary,
2317 [(ARMMemBarrierV7)]>,
2318 Requires<[IsARM, HasV7]> {
2319 let Inst{31-4} = 0xf57ff05;
2320 // FIXME: add support for options other than a full system DMB
2321 // See DMB disassembly-only variants below.
2322 let Inst{3-0} = 0b1111;
2325 def Int_SyncBarrierV7 : AInoP<(outs), (ins),
2326 Pseudo, NoItinerary,
2328 [(ARMSyncBarrierV7)]>,
2329 Requires<[IsARM, HasV7]> {
2330 let Inst{31-4} = 0xf57ff04;
2331 // FIXME: add support for options other than a full system DSB
2332 // See DSB disassembly-only variants below.
2333 let Inst{3-0} = 0b1111;
2336 def Int_MemBarrierV6 : AInoP<(outs), (ins GPR:$zero),
2337 Pseudo, NoItinerary,
2338 "mcr", "\tp15, 0, $zero, c7, c10, 5",
2339 [(ARMMemBarrierV6 GPR:$zero)]>,
2340 Requires<[IsARM, HasV6]> {
2341 // FIXME: add support for options other than a full system DMB
2342 // FIXME: add encoding
2345 def Int_SyncBarrierV6 : AInoP<(outs), (ins GPR:$zero),
2346 Pseudo, NoItinerary,
2347 "mcr", "\tp15, 0, $zero, c7, c10, 4",
2348 [(ARMSyncBarrierV6 GPR:$zero)]>,
2349 Requires<[IsARM, HasV6]> {
2350 // FIXME: add support for options other than a full system DSB
2351 // FIXME: add encoding
2355 // Helper class for multiclass MemB -- for disassembly only
2356 class AMBI<string opc, string asm>
2357 : AInoP<(outs), (ins), MiscFrm, NoItinerary, opc, asm,
2358 [/* For disassembly only; pattern left blank */]>,
2359 Requires<[IsARM, HasV7]> {
2360 let Inst{31-20} = 0xf57;
2363 multiclass MemB<bits<4> op7_4, string opc> {
2365 def st : AMBI<opc, "\tst"> {
2366 let Inst{7-4} = op7_4;
2367 let Inst{3-0} = 0b1110;
2370 def ish : AMBI<opc, "\tish"> {
2371 let Inst{7-4} = op7_4;
2372 let Inst{3-0} = 0b1011;
2375 def ishst : AMBI<opc, "\tishst"> {
2376 let Inst{7-4} = op7_4;
2377 let Inst{3-0} = 0b1010;
2380 def nsh : AMBI<opc, "\tnsh"> {
2381 let Inst{7-4} = op7_4;
2382 let Inst{3-0} = 0b0111;
2385 def nshst : AMBI<opc, "\tnshst"> {
2386 let Inst{7-4} = op7_4;
2387 let Inst{3-0} = 0b0110;
2390 def osh : AMBI<opc, "\tosh"> {
2391 let Inst{7-4} = op7_4;
2392 let Inst{3-0} = 0b0011;
2395 def oshst : AMBI<opc, "\toshst"> {
2396 let Inst{7-4} = op7_4;
2397 let Inst{3-0} = 0b0010;
2401 // These DMB variants are for disassembly only.
2402 defm DMB : MemB<0b0101, "dmb">;
2404 // These DSB variants are for disassembly only.
2405 defm DSB : MemB<0b0100, "dsb">;
2407 // ISB has only full system option -- for disassembly only
2408 def ISBsy : AMBI<"isb", ""> {
2409 let Inst{7-4} = 0b0110;
2410 let Inst{3-0} = 0b1111;
2413 let usesCustomInserter = 1 in {
2414 let Uses = [CPSR] in {
2415 def ATOMIC_LOAD_ADD_I8 : PseudoInst<
2416 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2417 "${:comment} ATOMIC_LOAD_ADD_I8 PSEUDO!",
2418 [(set GPR:$dst, (atomic_load_add_8 GPR:$ptr, GPR:$incr))]>;
2419 def ATOMIC_LOAD_SUB_I8 : PseudoInst<
2420 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2421 "${:comment} ATOMIC_LOAD_SUB_I8 PSEUDO!",
2422 [(set GPR:$dst, (atomic_load_sub_8 GPR:$ptr, GPR:$incr))]>;
2423 def ATOMIC_LOAD_AND_I8 : PseudoInst<
2424 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2425 "${:comment} ATOMIC_LOAD_AND_I8 PSEUDO!",
2426 [(set GPR:$dst, (atomic_load_and_8 GPR:$ptr, GPR:$incr))]>;
2427 def ATOMIC_LOAD_OR_I8 : PseudoInst<
2428 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2429 "${:comment} ATOMIC_LOAD_OR_I8 PSEUDO!",
2430 [(set GPR:$dst, (atomic_load_or_8 GPR:$ptr, GPR:$incr))]>;
2431 def ATOMIC_LOAD_XOR_I8 : PseudoInst<
2432 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2433 "${:comment} ATOMIC_LOAD_XOR_I8 PSEUDO!",
2434 [(set GPR:$dst, (atomic_load_xor_8 GPR:$ptr, GPR:$incr))]>;
2435 def ATOMIC_LOAD_NAND_I8 : PseudoInst<
2436 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2437 "${:comment} ATOMIC_LOAD_NAND_I8 PSEUDO!",
2438 [(set GPR:$dst, (atomic_load_nand_8 GPR:$ptr, GPR:$incr))]>;
2439 def ATOMIC_LOAD_ADD_I16 : PseudoInst<
2440 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2441 "${:comment} ATOMIC_LOAD_ADD_I16 PSEUDO!",
2442 [(set GPR:$dst, (atomic_load_add_16 GPR:$ptr, GPR:$incr))]>;
2443 def ATOMIC_LOAD_SUB_I16 : PseudoInst<
2444 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2445 "${:comment} ATOMIC_LOAD_SUB_I16 PSEUDO!",
2446 [(set GPR:$dst, (atomic_load_sub_16 GPR:$ptr, GPR:$incr))]>;
2447 def ATOMIC_LOAD_AND_I16 : PseudoInst<
2448 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2449 "${:comment} ATOMIC_LOAD_AND_I16 PSEUDO!",
2450 [(set GPR:$dst, (atomic_load_and_16 GPR:$ptr, GPR:$incr))]>;
2451 def ATOMIC_LOAD_OR_I16 : PseudoInst<
2452 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2453 "${:comment} ATOMIC_LOAD_OR_I16 PSEUDO!",
2454 [(set GPR:$dst, (atomic_load_or_16 GPR:$ptr, GPR:$incr))]>;
2455 def ATOMIC_LOAD_XOR_I16 : PseudoInst<
2456 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2457 "${:comment} ATOMIC_LOAD_XOR_I16 PSEUDO!",
2458 [(set GPR:$dst, (atomic_load_xor_16 GPR:$ptr, GPR:$incr))]>;
2459 def ATOMIC_LOAD_NAND_I16 : PseudoInst<
2460 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2461 "${:comment} ATOMIC_LOAD_NAND_I16 PSEUDO!",
2462 [(set GPR:$dst, (atomic_load_nand_16 GPR:$ptr, GPR:$incr))]>;
2463 def ATOMIC_LOAD_ADD_I32 : PseudoInst<
2464 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2465 "${:comment} ATOMIC_LOAD_ADD_I32 PSEUDO!",
2466 [(set GPR:$dst, (atomic_load_add_32 GPR:$ptr, GPR:$incr))]>;
2467 def ATOMIC_LOAD_SUB_I32 : PseudoInst<
2468 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2469 "${:comment} ATOMIC_LOAD_SUB_I32 PSEUDO!",
2470 [(set GPR:$dst, (atomic_load_sub_32 GPR:$ptr, GPR:$incr))]>;
2471 def ATOMIC_LOAD_AND_I32 : PseudoInst<
2472 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2473 "${:comment} ATOMIC_LOAD_AND_I32 PSEUDO!",
2474 [(set GPR:$dst, (atomic_load_and_32 GPR:$ptr, GPR:$incr))]>;
2475 def ATOMIC_LOAD_OR_I32 : PseudoInst<
2476 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2477 "${:comment} ATOMIC_LOAD_OR_I32 PSEUDO!",
2478 [(set GPR:$dst, (atomic_load_or_32 GPR:$ptr, GPR:$incr))]>;
2479 def ATOMIC_LOAD_XOR_I32 : PseudoInst<
2480 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2481 "${:comment} ATOMIC_LOAD_XOR_I32 PSEUDO!",
2482 [(set GPR:$dst, (atomic_load_xor_32 GPR:$ptr, GPR:$incr))]>;
2483 def ATOMIC_LOAD_NAND_I32 : PseudoInst<
2484 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2485 "${:comment} ATOMIC_LOAD_NAND_I32 PSEUDO!",
2486 [(set GPR:$dst, (atomic_load_nand_32 GPR:$ptr, GPR:$incr))]>;
2488 def ATOMIC_SWAP_I8 : PseudoInst<
2489 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
2490 "${:comment} ATOMIC_SWAP_I8 PSEUDO!",
2491 [(set GPR:$dst, (atomic_swap_8 GPR:$ptr, GPR:$new))]>;
2492 def ATOMIC_SWAP_I16 : PseudoInst<
2493 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
2494 "${:comment} ATOMIC_SWAP_I16 PSEUDO!",
2495 [(set GPR:$dst, (atomic_swap_16 GPR:$ptr, GPR:$new))]>;
2496 def ATOMIC_SWAP_I32 : PseudoInst<
2497 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
2498 "${:comment} ATOMIC_SWAP_I32 PSEUDO!",
2499 [(set GPR:$dst, (atomic_swap_32 GPR:$ptr, GPR:$new))]>;
2501 def ATOMIC_CMP_SWAP_I8 : PseudoInst<
2502 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
2503 "${:comment} ATOMIC_CMP_SWAP_I8 PSEUDO!",
2504 [(set GPR:$dst, (atomic_cmp_swap_8 GPR:$ptr, GPR:$old, GPR:$new))]>;
2505 def ATOMIC_CMP_SWAP_I16 : PseudoInst<
2506 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
2507 "${:comment} ATOMIC_CMP_SWAP_I16 PSEUDO!",
2508 [(set GPR:$dst, (atomic_cmp_swap_16 GPR:$ptr, GPR:$old, GPR:$new))]>;
2509 def ATOMIC_CMP_SWAP_I32 : PseudoInst<
2510 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
2511 "${:comment} ATOMIC_CMP_SWAP_I32 PSEUDO!",
2512 [(set GPR:$dst, (atomic_cmp_swap_32 GPR:$ptr, GPR:$old, GPR:$new))]>;
2516 let mayLoad = 1 in {
2517 def LDREXB : AIldrex<0b10, (outs GPR:$dest), (ins GPR:$ptr), NoItinerary,
2518 "ldrexb", "\t$dest, [$ptr]",
2520 def LDREXH : AIldrex<0b11, (outs GPR:$dest), (ins GPR:$ptr), NoItinerary,
2521 "ldrexh", "\t$dest, [$ptr]",
2523 def LDREX : AIldrex<0b00, (outs GPR:$dest), (ins GPR:$ptr), NoItinerary,
2524 "ldrex", "\t$dest, [$ptr]",
2526 def LDREXD : AIldrex<0b01, (outs GPR:$dest, GPR:$dest2), (ins GPR:$ptr),
2528 "ldrexd", "\t$dest, $dest2, [$ptr]",
2532 let mayStore = 1, Constraints = "@earlyclobber $success" in {
2533 def STREXB : AIstrex<0b10, (outs GPR:$success), (ins GPR:$src, GPR:$ptr),
2535 "strexb", "\t$success, $src, [$ptr]",
2537 def STREXH : AIstrex<0b11, (outs GPR:$success), (ins GPR:$src, GPR:$ptr),
2539 "strexh", "\t$success, $src, [$ptr]",
2541 def STREX : AIstrex<0b00, (outs GPR:$success), (ins GPR:$src, GPR:$ptr),
2543 "strex", "\t$success, $src, [$ptr]",
2545 def STREXD : AIstrex<0b01, (outs GPR:$success),
2546 (ins GPR:$src, GPR:$src2, GPR:$ptr),
2548 "strexd", "\t$success, $src, $src2, [$ptr]",
2552 // Clear-Exclusive is for disassembly only.
2553 def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex",
2554 [/* For disassembly only; pattern left blank */]>,
2555 Requires<[IsARM, HasV7]> {
2556 let Inst{31-20} = 0xf57;
2557 let Inst{7-4} = 0b0001;
2560 // SWP/SWPB are deprecated in V6/V7 and for disassembly only.
2561 let mayLoad = 1 in {
2562 def SWP : AI<(outs GPR:$dst), (ins GPR:$src, GPR:$ptr), LdStExFrm, NoItinerary,
2563 "swp", "\t$dst, $src, [$ptr]",
2564 [/* For disassembly only; pattern left blank */]> {
2565 let Inst{27-23} = 0b00010;
2566 let Inst{22} = 0; // B = 0
2567 let Inst{21-20} = 0b00;
2568 let Inst{7-4} = 0b1001;
2571 def SWPB : AI<(outs GPR:$dst), (ins GPR:$src, GPR:$ptr), LdStExFrm, NoItinerary,
2572 "swpb", "\t$dst, $src, [$ptr]",
2573 [/* For disassembly only; pattern left blank */]> {
2574 let Inst{27-23} = 0b00010;
2575 let Inst{22} = 1; // B = 1
2576 let Inst{21-20} = 0b00;
2577 let Inst{7-4} = 0b1001;
2581 //===----------------------------------------------------------------------===//
2585 // __aeabi_read_tp preserves the registers r1-r3.
2587 Defs = [R0, R12, LR, CPSR] in {
2588 def TPsoft : ABXI<0b1011, (outs), (ins), IIC_Br,
2589 "bl\t__aeabi_read_tp",
2590 [(set R0, ARMthread_pointer)]>;
2593 //===----------------------------------------------------------------------===//
2594 // SJLJ Exception handling intrinsics
2595 // eh_sjlj_setjmp() is an instruction sequence to store the return
2596 // address and save #0 in R0 for the non-longjmp case.
2597 // Since by its nature we may be coming from some other function to get
2598 // here, and we're using the stack frame for the containing function to
2599 // save/restore registers, we can't keep anything live in regs across
2600 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
2601 // when we get here from a longjmp(). We force everthing out of registers
2602 // except for our own input by listing the relevant registers in Defs. By
2603 // doing so, we also cause the prologue/epilogue code to actively preserve
2604 // all of the callee-saved resgisters, which is exactly what we want.
2605 // A constant value is passed in $val, and we use the location as a scratch.
2607 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, D0,
2608 D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15,
2609 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26, D27, D28, D29, D30,
2610 D31 ], hasSideEffects = 1, isBarrier = 1 in {
2611 def Int_eh_sjlj_setjmp : XI<(outs), (ins GPR:$src, GPR:$val),
2612 AddrModeNone, SizeSpecial, IndexModeNone,
2613 Pseudo, NoItinerary,
2614 "add\t$val, pc, #8\t${:comment} eh_setjmp begin\n\t"
2615 "str\t$val, [$src, #+4]\n\t"
2617 "add\tpc, pc, #0\n\t"
2618 "mov\tr0, #1 ${:comment} eh_setjmp end", "",
2619 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
2620 Requires<[IsARM, HasVFP2]>;
2624 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR ],
2625 hasSideEffects = 1, isBarrier = 1 in {
2626 def Int_eh_sjlj_setjmp_nofp : XI<(outs), (ins GPR:$src, GPR:$val),
2627 AddrModeNone, SizeSpecial, IndexModeNone,
2628 Pseudo, NoItinerary,
2629 "add\t$val, pc, #8\n ${:comment} eh_setjmp begin\n\t"
2630 "str\t$val, [$src, #+4]\n\t"
2632 "add\tpc, pc, #0\n\t"
2633 "mov\tr0, #1 ${:comment} eh_setjmp end", "",
2634 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
2635 Requires<[IsARM, NoVFP]>;
2638 // FIXME: Non-Darwin version(s)
2639 let isBarrier = 1, hasSideEffects = 1, isTerminator = 1,
2640 Defs = [ R7, LR, SP ] in {
2641 def Int_eh_sjlj_longjmp : XI<(outs), (ins GPR:$src, GPR:$scratch),
2642 AddrModeNone, SizeSpecial, IndexModeNone,
2643 Pseudo, NoItinerary,
2644 "ldr\tsp, [$src, #8]\n\t"
2645 "ldr\t$scratch, [$src, #4]\n\t"
2646 "ldr\tr7, [$src]\n\t"
2648 [(ARMeh_sjlj_longjmp GPR:$src, GPR:$scratch)]>,
2649 Requires<[IsARM, IsDarwin]>;
2652 //===----------------------------------------------------------------------===//
2653 // Non-Instruction Patterns
2656 // Large immediate handling.
2658 // Two piece so_imms.
2659 let isReMaterializable = 1 in
2660 def MOVi2pieces : AI1x2<(outs GPR:$dst), (ins so_imm2part:$src),
2662 "mov", "\t$dst, $src",
2663 [(set GPR:$dst, so_imm2part:$src)]>,
2664 Requires<[IsARM, NoV6T2]>;
2666 def : ARMPat<(or GPR:$LHS, so_imm2part:$RHS),
2667 (ORRri (ORRri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
2668 (so_imm2part_2 imm:$RHS))>;
2669 def : ARMPat<(xor GPR:$LHS, so_imm2part:$RHS),
2670 (EORri (EORri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
2671 (so_imm2part_2 imm:$RHS))>;
2672 def : ARMPat<(add GPR:$LHS, so_imm2part:$RHS),
2673 (ADDri (ADDri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
2674 (so_imm2part_2 imm:$RHS))>;
2675 def : ARMPat<(add GPR:$LHS, so_neg_imm2part:$RHS),
2676 (SUBri (SUBri GPR:$LHS, (so_neg_imm2part_1 imm:$RHS)),
2677 (so_neg_imm2part_2 imm:$RHS))>;
2679 // 32-bit immediate using movw + movt.
2680 // This is a single pseudo instruction, the benefit is that it can be remat'd
2681 // as a single unit instead of having to handle reg inputs.
2682 // FIXME: Remove this when we can do generalized remat.
2683 let isReMaterializable = 1 in
2684 def MOVi32imm : AI1x2<(outs GPR:$dst), (ins i32imm:$src), Pseudo, IIC_iMOVi,
2685 "movw", "\t$dst, ${src:lo16}\n\tmovt${p}\t$dst, ${src:hi16}",
2686 [(set GPR:$dst, (i32 imm:$src))]>,
2687 Requires<[IsARM, HasV6T2]>;
2689 // ConstantPool, GlobalAddress, and JumpTable
2690 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>,
2691 Requires<[IsARM, DontUseMovt]>;
2692 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
2693 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
2694 Requires<[IsARM, UseMovt]>;
2695 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
2696 (LEApcrelJT tjumptable:$dst, imm:$id)>;
2698 // TODO: add,sub,and, 3-instr forms?
2701 def : ARMPat<(ARMtcret tcGPR:$dst),
2702 (TCRETURNri tcGPR:$dst)>, Requires<[IsDarwin]>;
2704 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
2705 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
2707 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
2708 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
2710 def : ARMPat<(ARMtcret tcGPR:$dst),
2711 (TCRETURNriND tcGPR:$dst)>, Requires<[IsNotDarwin]>;
2713 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
2714 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
2716 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
2717 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
2720 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>,
2721 Requires<[IsARM, IsNotDarwin]>;
2722 def : ARMPat<(ARMcall texternalsym:$func), (BLr9 texternalsym:$func)>,
2723 Requires<[IsARM, IsDarwin]>;
2725 // zextload i1 -> zextload i8
2726 def : ARMPat<(zextloadi1 addrmode2:$addr), (LDRB addrmode2:$addr)>;
2728 // extload -> zextload
2729 def : ARMPat<(extloadi1 addrmode2:$addr), (LDRB addrmode2:$addr)>;
2730 def : ARMPat<(extloadi8 addrmode2:$addr), (LDRB addrmode2:$addr)>;
2731 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
2733 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
2734 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
2737 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
2738 (sra (shl GPR:$b, (i32 16)), (i32 16))),
2739 (SMULBB GPR:$a, GPR:$b)>;
2740 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
2741 (SMULBB GPR:$a, GPR:$b)>;
2742 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
2743 (sra GPR:$b, (i32 16))),
2744 (SMULBT GPR:$a, GPR:$b)>;
2745 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
2746 (SMULBT GPR:$a, GPR:$b)>;
2747 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
2748 (sra (shl GPR:$b, (i32 16)), (i32 16))),
2749 (SMULTB GPR:$a, GPR:$b)>;
2750 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
2751 (SMULTB GPR:$a, GPR:$b)>;
2752 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
2754 (SMULWB GPR:$a, GPR:$b)>;
2755 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
2756 (SMULWB GPR:$a, GPR:$b)>;
2758 def : ARMV5TEPat<(add GPR:$acc,
2759 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
2760 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
2761 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
2762 def : ARMV5TEPat<(add GPR:$acc,
2763 (mul sext_16_node:$a, sext_16_node:$b)),
2764 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
2765 def : ARMV5TEPat<(add GPR:$acc,
2766 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
2767 (sra GPR:$b, (i32 16)))),
2768 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
2769 def : ARMV5TEPat<(add GPR:$acc,
2770 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
2771 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
2772 def : ARMV5TEPat<(add GPR:$acc,
2773 (mul (sra GPR:$a, (i32 16)),
2774 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
2775 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
2776 def : ARMV5TEPat<(add GPR:$acc,
2777 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
2778 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
2779 def : ARMV5TEPat<(add GPR:$acc,
2780 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
2782 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
2783 def : ARMV5TEPat<(add GPR:$acc,
2784 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
2785 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
2787 //===----------------------------------------------------------------------===//
2791 include "ARMInstrThumb.td"
2793 //===----------------------------------------------------------------------===//
2797 include "ARMInstrThumb2.td"
2799 //===----------------------------------------------------------------------===//
2800 // Floating Point Support
2803 include "ARMInstrVFP.td"
2805 //===----------------------------------------------------------------------===//
2806 // Advanced SIMD (NEON) Support
2809 include "ARMInstrNEON.td"
2811 //===----------------------------------------------------------------------===//
2812 // Coprocessor Instructions. For disassembly only.
2815 def CDP : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2816 nohash_imm:$CRd, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2817 NoItinerary, "cdp", "\tp$cop, $opc1, cr$CRd, cr$CRn, cr$CRm, $opc2",
2818 [/* For disassembly only; pattern left blank */]> {
2822 def CDP2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2823 nohash_imm:$CRd, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2824 NoItinerary, "cdp2\tp$cop, $opc1, cr$CRd, cr$CRn, cr$CRm, $opc2",
2825 [/* For disassembly only; pattern left blank */]> {
2826 let Inst{31-28} = 0b1111;
2830 class ACI<dag oops, dag iops, string opc, string asm>
2831 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, BrFrm, NoItinerary,
2832 opc, asm, "", [/* For disassembly only; pattern left blank */]> {
2833 let Inst{27-25} = 0b110;
2836 multiclass LdStCop<bits<4> op31_28, bit load, string opc> {
2838 def _OFFSET : ACI<(outs),
2839 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
2840 opc, "\tp$cop, cr$CRd, $addr"> {
2841 let Inst{31-28} = op31_28;
2842 let Inst{24} = 1; // P = 1
2843 let Inst{21} = 0; // W = 0
2844 let Inst{22} = 0; // D = 0
2845 let Inst{20} = load;
2848 def _PRE : ACI<(outs),
2849 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
2850 opc, "\tp$cop, cr$CRd, $addr!"> {
2851 let Inst{31-28} = op31_28;
2852 let Inst{24} = 1; // P = 1
2853 let Inst{21} = 1; // W = 1
2854 let Inst{22} = 0; // D = 0
2855 let Inst{20} = load;
2858 def _POST : ACI<(outs),
2859 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
2860 opc, "\tp$cop, cr$CRd, [$base], $offset"> {
2861 let Inst{31-28} = op31_28;
2862 let Inst{24} = 0; // P = 0
2863 let Inst{21} = 1; // W = 1
2864 let Inst{22} = 0; // D = 0
2865 let Inst{20} = load;
2868 def _OPTION : ACI<(outs),
2869 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, i32imm:$option),
2870 opc, "\tp$cop, cr$CRd, [$base], $option"> {
2871 let Inst{31-28} = op31_28;
2872 let Inst{24} = 0; // P = 0
2873 let Inst{23} = 1; // U = 1
2874 let Inst{21} = 0; // W = 0
2875 let Inst{22} = 0; // D = 0
2876 let Inst{20} = load;
2879 def L_OFFSET : ACI<(outs),
2880 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
2881 !strconcat(opc, "l"), "\tp$cop, cr$CRd, $addr"> {
2882 let Inst{31-28} = op31_28;
2883 let Inst{24} = 1; // P = 1
2884 let Inst{21} = 0; // W = 0
2885 let Inst{22} = 1; // D = 1
2886 let Inst{20} = load;
2889 def L_PRE : ACI<(outs),
2890 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
2891 !strconcat(opc, "l"), "\tp$cop, cr$CRd, $addr!"> {
2892 let Inst{31-28} = op31_28;
2893 let Inst{24} = 1; // P = 1
2894 let Inst{21} = 1; // W = 1
2895 let Inst{22} = 1; // D = 1
2896 let Inst{20} = load;
2899 def L_POST : ACI<(outs),
2900 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
2901 !strconcat(opc, "l"), "\tp$cop, cr$CRd, [$base], $offset"> {
2902 let Inst{31-28} = op31_28;
2903 let Inst{24} = 0; // P = 0
2904 let Inst{21} = 1; // W = 1
2905 let Inst{22} = 1; // D = 1
2906 let Inst{20} = load;
2909 def L_OPTION : ACI<(outs),
2910 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, nohash_imm:$option),
2911 !strconcat(opc, "l"), "\tp$cop, cr$CRd, [$base], $option"> {
2912 let Inst{31-28} = op31_28;
2913 let Inst{24} = 0; // P = 0
2914 let Inst{23} = 1; // U = 1
2915 let Inst{21} = 0; // W = 0
2916 let Inst{22} = 1; // D = 1
2917 let Inst{20} = load;
2921 defm LDC : LdStCop<{?,?,?,?}, 1, "ldc">;
2922 defm LDC2 : LdStCop<0b1111, 1, "ldc2">;
2923 defm STC : LdStCop<{?,?,?,?}, 0, "stc">;
2924 defm STC2 : LdStCop<0b1111, 0, "stc2">;
2926 def MCR : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2927 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2928 NoItinerary, "mcr", "\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
2929 [/* For disassembly only; pattern left blank */]> {
2934 def MCR2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2935 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2936 NoItinerary, "mcr2\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
2937 [/* For disassembly only; pattern left blank */]> {
2938 let Inst{31-28} = 0b1111;
2943 def MRC : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2944 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2945 NoItinerary, "mrc", "\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
2946 [/* For disassembly only; pattern left blank */]> {
2951 def MRC2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2952 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2953 NoItinerary, "mrc2\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
2954 [/* For disassembly only; pattern left blank */]> {
2955 let Inst{31-28} = 0b1111;
2960 def MCRR : ABI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
2961 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
2962 NoItinerary, "mcrr", "\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
2963 [/* For disassembly only; pattern left blank */]> {
2964 let Inst{23-20} = 0b0100;
2967 def MCRR2 : ABXI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
2968 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
2969 NoItinerary, "mcrr2\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
2970 [/* For disassembly only; pattern left blank */]> {
2971 let Inst{31-28} = 0b1111;
2972 let Inst{23-20} = 0b0100;
2975 def MRRC : ABI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
2976 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
2977 NoItinerary, "mrrc", "\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
2978 [/* For disassembly only; pattern left blank */]> {
2979 let Inst{23-20} = 0b0101;
2982 def MRRC2 : ABXI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
2983 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
2984 NoItinerary, "mrrc2\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
2985 [/* For disassembly only; pattern left blank */]> {
2986 let Inst{31-28} = 0b1111;
2987 let Inst{23-20} = 0b0101;
2990 //===----------------------------------------------------------------------===//
2991 // Move between special register and ARM core register -- for disassembly only
2994 def MRS : ABI<0b0001,(outs GPR:$dst),(ins), NoItinerary, "mrs", "\t$dst, cpsr",
2995 [/* For disassembly only; pattern left blank */]> {
2996 let Inst{23-20} = 0b0000;
2997 let Inst{7-4} = 0b0000;
3000 def MRSsys : ABI<0b0001,(outs GPR:$dst),(ins), NoItinerary,"mrs","\t$dst, spsr",
3001 [/* For disassembly only; pattern left blank */]> {
3002 let Inst{23-20} = 0b0100;
3003 let Inst{7-4} = 0b0000;
3006 def MSR : ABI<0b0001, (outs), (ins GPR:$src, msr_mask:$mask), NoItinerary,
3007 "msr", "\tcpsr$mask, $src",
3008 [/* For disassembly only; pattern left blank */]> {
3009 let Inst{23-20} = 0b0010;
3010 let Inst{7-4} = 0b0000;
3013 def MSRi : ABI<0b0011, (outs), (ins so_imm:$a, msr_mask:$mask), NoItinerary,
3014 "msr", "\tcpsr$mask, $a",
3015 [/* For disassembly only; pattern left blank */]> {
3016 let Inst{23-20} = 0b0010;
3017 let Inst{7-4} = 0b0000;
3020 def MSRsys : ABI<0b0001, (outs), (ins GPR:$src, msr_mask:$mask), NoItinerary,
3021 "msr", "\tspsr$mask, $src",
3022 [/* For disassembly only; pattern left blank */]> {
3023 let Inst{23-20} = 0b0110;
3024 let Inst{7-4} = 0b0000;
3027 def MSRsysi : ABI<0b0011, (outs), (ins so_imm:$a, msr_mask:$mask), NoItinerary,
3028 "msr", "\tspsr$mask, $a",
3029 [/* For disassembly only; pattern left blank */]> {
3030 let Inst{23-20} = 0b0110;
3031 let Inst{7-4} = 0b0000;