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, [SDTCisInt<0>]>;
26 def SDT_ARMCMov : SDTypeProfile<1, 3,
27 [SDTCisSameAs<0, 1>, SDTCisSameAs<0, 2>,
30 def SDT_ARMBrcond : SDTypeProfile<0, 2,
31 [SDTCisVT<0, OtherVT>, SDTCisVT<1, i32>]>;
33 def SDT_ARMBrJT : SDTypeProfile<0, 3,
34 [SDTCisPtrTy<0>, SDTCisVT<1, i32>,
37 def SDT_ARMBr2JT : SDTypeProfile<0, 4,
38 [SDTCisPtrTy<0>, SDTCisVT<1, i32>,
39 SDTCisVT<2, i32>, SDTCisVT<3, i32>]>;
41 def SDT_ARMCmp : SDTypeProfile<0, 2, [SDTCisSameAs<0, 1>]>;
43 def SDT_ARMPICAdd : SDTypeProfile<1, 2, [SDTCisSameAs<0, 1>,
44 SDTCisPtrTy<1>, SDTCisVT<2, i32>]>;
46 def SDT_ARMThreadPointer : SDTypeProfile<1, 0, [SDTCisPtrTy<0>]>;
47 def SDT_ARMEH_SJLJ_Setjmp : SDTypeProfile<1, 2, [SDTCisInt<0>, SDTCisPtrTy<1>,
50 def SDT_ARMMEMBARRIERV7 : SDTypeProfile<0, 0, []>;
51 def SDT_ARMSYNCBARRIERV7 : SDTypeProfile<0, 0, []>;
52 def SDT_ARMMEMBARRIERV6 : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
53 def SDT_ARMSYNCBARRIERV6 : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
56 def ARMWrapper : SDNode<"ARMISD::Wrapper", SDTIntUnaryOp>;
57 def ARMWrapperJT : SDNode<"ARMISD::WrapperJT", SDTIntBinOp>;
59 def ARMcallseq_start : SDNode<"ISD::CALLSEQ_START", SDT_ARMCallSeqStart,
60 [SDNPHasChain, SDNPOutFlag]>;
61 def ARMcallseq_end : SDNode<"ISD::CALLSEQ_END", SDT_ARMCallSeqEnd,
62 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
64 def ARMcall : SDNode<"ARMISD::CALL", SDT_ARMcall,
65 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
66 def ARMcall_pred : SDNode<"ARMISD::CALL_PRED", SDT_ARMcall,
67 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
68 def ARMcall_nolink : SDNode<"ARMISD::CALL_NOLINK", SDT_ARMcall,
69 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
71 def ARMretflag : SDNode<"ARMISD::RET_FLAG", SDTNone,
72 [SDNPHasChain, SDNPOptInFlag]>;
74 def ARMcmov : SDNode<"ARMISD::CMOV", SDT_ARMCMov,
76 def ARMcneg : SDNode<"ARMISD::CNEG", SDT_ARMCMov,
79 def ARMbrcond : SDNode<"ARMISD::BRCOND", SDT_ARMBrcond,
80 [SDNPHasChain, SDNPInFlag, SDNPOutFlag]>;
82 def ARMbrjt : SDNode<"ARMISD::BR_JT", SDT_ARMBrJT,
84 def ARMbr2jt : SDNode<"ARMISD::BR2_JT", SDT_ARMBr2JT,
87 def ARMcmp : SDNode<"ARMISD::CMP", SDT_ARMCmp,
90 def ARMcmpZ : SDNode<"ARMISD::CMPZ", SDT_ARMCmp,
91 [SDNPOutFlag,SDNPCommutative]>;
93 def ARMpic_add : SDNode<"ARMISD::PIC_ADD", SDT_ARMPICAdd>;
95 def ARMsrl_flag : SDNode<"ARMISD::SRL_FLAG", SDTIntUnaryOp, [SDNPOutFlag]>;
96 def ARMsra_flag : SDNode<"ARMISD::SRA_FLAG", SDTIntUnaryOp, [SDNPOutFlag]>;
97 def ARMrrx : SDNode<"ARMISD::RRX" , SDTIntUnaryOp, [SDNPInFlag ]>;
99 def ARMthread_pointer: SDNode<"ARMISD::THREAD_POINTER", SDT_ARMThreadPointer>;
100 def ARMeh_sjlj_setjmp: SDNode<"ARMISD::EH_SJLJ_SETJMP", SDT_ARMEH_SJLJ_Setjmp>;
102 def ARMMemBarrierV7 : SDNode<"ARMISD::MEMBARRIER", SDT_ARMMEMBARRIERV7,
104 def ARMSyncBarrierV7 : SDNode<"ARMISD::SYNCBARRIER", SDT_ARMMEMBARRIERV7,
106 def ARMMemBarrierV6 : SDNode<"ARMISD::MEMBARRIER", SDT_ARMMEMBARRIERV6,
108 def ARMSyncBarrierV6 : SDNode<"ARMISD::SYNCBARRIER", SDT_ARMMEMBARRIERV6,
111 def ARMrbit : SDNode<"ARMISD::RBIT", SDTIntUnaryOp>;
113 //===----------------------------------------------------------------------===//
114 // ARM Instruction Predicate Definitions.
116 def HasV5T : Predicate<"Subtarget->hasV5TOps()">;
117 def HasV5TE : Predicate<"Subtarget->hasV5TEOps()">;
118 def HasV6 : Predicate<"Subtarget->hasV6Ops()">;
119 def HasV6T2 : Predicate<"Subtarget->hasV6T2Ops()">;
120 def NoV6T2 : Predicate<"!Subtarget->hasV6T2Ops()">;
121 def HasV7 : Predicate<"Subtarget->hasV7Ops()">;
122 def HasVFP2 : Predicate<"Subtarget->hasVFP2()">;
123 def HasVFP3 : Predicate<"Subtarget->hasVFP3()">;
124 def HasNEON : Predicate<"Subtarget->hasNEON()">;
125 def UseNEONForFP : Predicate<"Subtarget->useNEONForSinglePrecisionFP()">;
126 def DontUseNEONForFP : Predicate<"!Subtarget->useNEONForSinglePrecisionFP()">;
127 def IsThumb : Predicate<"Subtarget->isThumb()">;
128 def IsThumb1Only : Predicate<"Subtarget->isThumb1Only()">;
129 def IsThumb2 : Predicate<"Subtarget->isThumb2()">;
130 def IsARM : Predicate<"!Subtarget->isThumb()">;
131 def IsDarwin : Predicate<"Subtarget->isTargetDarwin()">;
132 def IsNotDarwin : Predicate<"!Subtarget->isTargetDarwin()">;
133 def CarryDefIsUnused : Predicate<"!N->hasAnyUseOfValue(1)">;
134 def CarryDefIsUsed : Predicate<"N->hasAnyUseOfValue(1)">;
136 // FIXME: Eventually this will be just "hasV6T2Ops".
137 def UseMovt : Predicate<"Subtarget->useMovt()">;
138 def DontUseMovt : Predicate<"!Subtarget->useMovt()">;
140 //===----------------------------------------------------------------------===//
141 // ARM Flag Definitions.
143 class RegConstraint<string C> {
144 string Constraints = C;
147 //===----------------------------------------------------------------------===//
148 // ARM specific transformation functions and pattern fragments.
151 // so_imm_neg_XFORM - Return a so_imm value packed into the format described for
152 // so_imm_neg def below.
153 def so_imm_neg_XFORM : SDNodeXForm<imm, [{
154 return CurDAG->getTargetConstant(-(int)N->getZExtValue(), MVT::i32);
157 // so_imm_not_XFORM - Return a so_imm value packed into the format described for
158 // so_imm_not def below.
159 def so_imm_not_XFORM : SDNodeXForm<imm, [{
160 return CurDAG->getTargetConstant(~(int)N->getZExtValue(), MVT::i32);
163 // rot_imm predicate - True if the 32-bit immediate is equal to 8, 16, or 24.
164 def rot_imm : PatLeaf<(i32 imm), [{
165 int32_t v = (int32_t)N->getZExtValue();
166 return v == 8 || v == 16 || v == 24;
169 /// imm1_15 predicate - True if the 32-bit immediate is in the range [1,15].
170 def imm1_15 : PatLeaf<(i32 imm), [{
171 return (int32_t)N->getZExtValue() >= 1 && (int32_t)N->getZExtValue() < 16;
174 /// imm16_31 predicate - True if the 32-bit immediate is in the range [16,31].
175 def imm16_31 : PatLeaf<(i32 imm), [{
176 return (int32_t)N->getZExtValue() >= 16 && (int32_t)N->getZExtValue() < 32;
181 return ARM_AM::getSOImmVal(-(int)N->getZExtValue()) != -1;
182 }], so_imm_neg_XFORM>;
186 return ARM_AM::getSOImmVal(~(int)N->getZExtValue()) != -1;
187 }], so_imm_not_XFORM>;
189 // sext_16_node predicate - True if the SDNode is sign-extended 16 or more bits.
190 def sext_16_node : PatLeaf<(i32 GPR:$a), [{
191 return CurDAG->ComputeNumSignBits(SDValue(N,0)) >= 17;
194 /// bf_inv_mask_imm predicate - An AND mask to clear an arbitrary width bitfield
196 def bf_inv_mask_imm : Operand<i32>,
198 uint32_t v = (uint32_t)N->getZExtValue();
201 // there can be 1's on either or both "outsides", all the "inside"
203 unsigned int lsb = 0, msb = 31;
204 while (v & (1 << msb)) --msb;
205 while (v & (1 << lsb)) ++lsb;
206 for (unsigned int i = lsb; i <= msb; ++i) {
212 let PrintMethod = "printBitfieldInvMaskImmOperand";
215 /// Split a 32-bit immediate into two 16 bit parts.
216 def lo16 : SDNodeXForm<imm, [{
217 return CurDAG->getTargetConstant((uint32_t)N->getZExtValue() & 0xffff,
221 def hi16 : SDNodeXForm<imm, [{
222 return CurDAG->getTargetConstant((uint32_t)N->getZExtValue() >> 16, MVT::i32);
225 def lo16AllZero : PatLeaf<(i32 imm), [{
226 // Returns true if all low 16-bits are 0.
227 return (((uint32_t)N->getZExtValue()) & 0xFFFFUL) == 0;
230 /// imm0_65535 predicate - True if the 32-bit immediate is in the range
232 def imm0_65535 : PatLeaf<(i32 imm), [{
233 return (uint32_t)N->getZExtValue() < 65536;
236 class BinOpFrag<dag res> : PatFrag<(ops node:$LHS, node:$RHS), res>;
237 class UnOpFrag <dag res> : PatFrag<(ops node:$Src), res>;
239 //===----------------------------------------------------------------------===//
240 // Operand Definitions.
244 def brtarget : Operand<OtherVT>;
246 // A list of registers separated by comma. Used by load/store multiple.
247 def reglist : Operand<i32> {
248 let PrintMethod = "printRegisterList";
251 // An operand for the CONSTPOOL_ENTRY pseudo-instruction.
252 def cpinst_operand : Operand<i32> {
253 let PrintMethod = "printCPInstOperand";
256 def jtblock_operand : Operand<i32> {
257 let PrintMethod = "printJTBlockOperand";
259 def jt2block_operand : Operand<i32> {
260 let PrintMethod = "printJT2BlockOperand";
264 def pclabel : Operand<i32> {
265 let PrintMethod = "printPCLabel";
268 // shifter_operand operands: so_reg and so_imm.
269 def so_reg : Operand<i32>, // reg reg imm
270 ComplexPattern<i32, 3, "SelectShifterOperandReg",
271 [shl,srl,sra,rotr]> {
272 let PrintMethod = "printSORegOperand";
273 let MIOperandInfo = (ops GPR, GPR, i32imm);
276 // so_imm - Match a 32-bit shifter_operand immediate operand, which is an
277 // 8-bit immediate rotated by an arbitrary number of bits. so_imm values are
278 // represented in the imm field in the same 12-bit form that they are encoded
279 // into so_imm instructions: the 8-bit immediate is the least significant bits
280 // [bits 0-7], the 4-bit shift amount is the next 4 bits [bits 8-11].
281 def so_imm : Operand<i32>,
283 return ARM_AM::getSOImmVal(N->getZExtValue()) != -1;
285 let PrintMethod = "printSOImmOperand";
288 // Break so_imm's up into two pieces. This handles immediates with up to 16
289 // bits set in them. This uses so_imm2part to match and so_imm2part_[12] to
290 // get the first/second pieces.
291 def so_imm2part : Operand<i32>,
293 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
295 let PrintMethod = "printSOImm2PartOperand";
298 def so_imm2part_1 : SDNodeXForm<imm, [{
299 unsigned V = ARM_AM::getSOImmTwoPartFirst((unsigned)N->getZExtValue());
300 return CurDAG->getTargetConstant(V, MVT::i32);
303 def so_imm2part_2 : SDNodeXForm<imm, [{
304 unsigned V = ARM_AM::getSOImmTwoPartSecond((unsigned)N->getZExtValue());
305 return CurDAG->getTargetConstant(V, MVT::i32);
308 def so_neg_imm2part : Operand<i32>, PatLeaf<(imm), [{
309 return ARM_AM::isSOImmTwoPartVal(-(int)N->getZExtValue());
311 let PrintMethod = "printSOImm2PartOperand";
314 def so_neg_imm2part_1 : SDNodeXForm<imm, [{
315 unsigned V = ARM_AM::getSOImmTwoPartFirst(-(int)N->getZExtValue());
316 return CurDAG->getTargetConstant(V, MVT::i32);
319 def so_neg_imm2part_2 : SDNodeXForm<imm, [{
320 unsigned V = ARM_AM::getSOImmTwoPartSecond(-(int)N->getZExtValue());
321 return CurDAG->getTargetConstant(V, MVT::i32);
324 /// imm0_31 predicate - True if the 32-bit immediate is in the range [0,31].
325 def imm0_31 : Operand<i32>, PatLeaf<(imm), [{
326 return (int32_t)N->getZExtValue() < 32;
329 // Define ARM specific addressing modes.
331 // addrmode2 := reg +/- reg shop imm
332 // addrmode2 := reg +/- imm12
334 def addrmode2 : Operand<i32>,
335 ComplexPattern<i32, 3, "SelectAddrMode2", []> {
336 let PrintMethod = "printAddrMode2Operand";
337 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
340 def am2offset : Operand<i32>,
341 ComplexPattern<i32, 2, "SelectAddrMode2Offset", []> {
342 let PrintMethod = "printAddrMode2OffsetOperand";
343 let MIOperandInfo = (ops GPR, i32imm);
346 // addrmode3 := reg +/- reg
347 // addrmode3 := reg +/- imm8
349 def addrmode3 : Operand<i32>,
350 ComplexPattern<i32, 3, "SelectAddrMode3", []> {
351 let PrintMethod = "printAddrMode3Operand";
352 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
355 def am3offset : Operand<i32>,
356 ComplexPattern<i32, 2, "SelectAddrMode3Offset", []> {
357 let PrintMethod = "printAddrMode3OffsetOperand";
358 let MIOperandInfo = (ops GPR, i32imm);
361 // addrmode4 := reg, <mode|W>
363 def addrmode4 : Operand<i32>,
364 ComplexPattern<i32, 2, "SelectAddrMode4", []> {
365 let PrintMethod = "printAddrMode4Operand";
366 let MIOperandInfo = (ops GPR, i32imm);
369 // addrmode5 := reg +/- imm8*4
371 def addrmode5 : Operand<i32>,
372 ComplexPattern<i32, 2, "SelectAddrMode5", []> {
373 let PrintMethod = "printAddrMode5Operand";
374 let MIOperandInfo = (ops GPR, i32imm);
377 // addrmode6 := reg with optional writeback
379 def addrmode6 : Operand<i32>,
380 ComplexPattern<i32, 4, "SelectAddrMode6", []> {
381 let PrintMethod = "printAddrMode6Operand";
382 let MIOperandInfo = (ops GPR:$addr, GPR:$upd, i32imm, i32imm);
385 // addrmodepc := pc + reg
387 def addrmodepc : Operand<i32>,
388 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
389 let PrintMethod = "printAddrModePCOperand";
390 let MIOperandInfo = (ops GPR, i32imm);
393 def nohash_imm : Operand<i32> {
394 let PrintMethod = "printNoHashImmediate";
397 //===----------------------------------------------------------------------===//
399 include "ARMInstrFormats.td"
401 //===----------------------------------------------------------------------===//
402 // Multiclass helpers...
405 /// AsI1_bin_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns for a
406 /// binop that produces a value.
407 multiclass AsI1_bin_irs<bits<4> opcod, string opc, PatFrag opnode,
408 bit Commutable = 0> {
409 def ri : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
410 IIC_iALUi, opc, "\t$dst, $a, $b",
411 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]> {
414 def rr : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
415 IIC_iALUr, opc, "\t$dst, $a, $b",
416 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]> {
417 let Inst{11-4} = 0b00000000;
419 let isCommutable = Commutable;
421 def rs : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
422 IIC_iALUsr, opc, "\t$dst, $a, $b",
423 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]> {
428 /// AI1_bin_s_irs - Similar to AsI1_bin_irs except it sets the 's' bit so the
429 /// instruction modifies the CPSR register.
430 let Defs = [CPSR] in {
431 multiclass AI1_bin_s_irs<bits<4> opcod, string opc, PatFrag opnode,
432 bit Commutable = 0> {
433 def ri : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
434 IIC_iALUi, opc, "\t$dst, $a, $b",
435 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]> {
439 def rr : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
440 IIC_iALUr, opc, "\t$dst, $a, $b",
441 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]> {
442 let isCommutable = Commutable;
443 let Inst{11-4} = 0b00000000;
447 def rs : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
448 IIC_iALUsr, opc, "\t$dst, $a, $b",
449 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]> {
456 /// AI1_cmp_irs - Defines a set of (op r, {so_imm|r|so_reg}) cmp / test
457 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
458 /// a explicit result, only implicitly set CPSR.
459 let Defs = [CPSR] in {
460 multiclass AI1_cmp_irs<bits<4> opcod, string opc, PatFrag opnode,
461 bit Commutable = 0> {
462 def ri : AI1<opcod, (outs), (ins GPR:$a, so_imm:$b), DPFrm, IIC_iCMPi,
464 [(opnode GPR:$a, so_imm:$b)]> {
468 def rr : AI1<opcod, (outs), (ins GPR:$a, GPR:$b), DPFrm, IIC_iCMPr,
470 [(opnode GPR:$a, GPR:$b)]> {
471 let Inst{11-4} = 0b00000000;
474 let isCommutable = Commutable;
476 def rs : AI1<opcod, (outs), (ins GPR:$a, so_reg:$b), DPSoRegFrm, IIC_iCMPsr,
478 [(opnode GPR:$a, so_reg:$b)]> {
485 /// AI_unary_rrot - A unary operation with two forms: one whose operand is a
486 /// register and one whose operand is a register rotated by 8/16/24.
487 /// FIXME: Remove the 'r' variant. Its rot_imm is zero.
488 multiclass AI_unary_rrot<bits<8> opcod, string opc, PatFrag opnode> {
489 def r : AExtI<opcod, (outs GPR:$dst), (ins GPR:$src),
490 IIC_iUNAr, opc, "\t$dst, $src",
491 [(set GPR:$dst, (opnode GPR:$src))]>,
492 Requires<[IsARM, HasV6]> {
493 let Inst{11-10} = 0b00;
494 let Inst{19-16} = 0b1111;
496 def r_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$src, i32imm:$rot),
497 IIC_iUNAsi, opc, "\t$dst, $src, ror $rot",
498 [(set GPR:$dst, (opnode (rotr GPR:$src, rot_imm:$rot)))]>,
499 Requires<[IsARM, HasV6]> {
500 let Inst{19-16} = 0b1111;
504 /// AI_bin_rrot - A binary operation with two forms: one whose operand is a
505 /// register and one whose operand is a register rotated by 8/16/24.
506 multiclass AI_bin_rrot<bits<8> opcod, string opc, PatFrag opnode> {
507 def rr : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS),
508 IIC_iALUr, opc, "\t$dst, $LHS, $RHS",
509 [(set GPR:$dst, (opnode GPR:$LHS, GPR:$RHS))]>,
510 Requires<[IsARM, HasV6]> {
511 let Inst{11-10} = 0b00;
513 def rr_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS, i32imm:$rot),
514 IIC_iALUsi, opc, "\t$dst, $LHS, $RHS, ror $rot",
515 [(set GPR:$dst, (opnode GPR:$LHS,
516 (rotr GPR:$RHS, rot_imm:$rot)))]>,
517 Requires<[IsARM, HasV6]>;
520 /// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
521 let Uses = [CPSR] in {
522 multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode,
523 bit Commutable = 0> {
524 def ri : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
525 DPFrm, IIC_iALUi, opc, "\t$dst, $a, $b",
526 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]>,
527 Requires<[IsARM, CarryDefIsUnused]> {
530 def rr : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
531 DPFrm, IIC_iALUr, opc, "\t$dst, $a, $b",
532 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]>,
533 Requires<[IsARM, CarryDefIsUnused]> {
534 let isCommutable = Commutable;
535 let Inst{11-4} = 0b00000000;
538 def rs : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
539 DPSoRegFrm, IIC_iALUsr, opc, "\t$dst, $a, $b",
540 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]>,
541 Requires<[IsARM, CarryDefIsUnused]> {
545 // Carry setting variants
546 let Defs = [CPSR] in {
547 multiclass AI1_adde_sube_s_irs<bits<4> opcod, string opc, PatFrag opnode,
548 bit Commutable = 0> {
549 def Sri : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
550 DPFrm, IIC_iALUi, !strconcat(opc, "\t$dst, $a, $b"),
551 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]>,
552 Requires<[IsARM, CarryDefIsUsed]> {
557 def Srr : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
558 DPFrm, IIC_iALUr, !strconcat(opc, "\t$dst, $a, $b"),
559 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]>,
560 Requires<[IsARM, CarryDefIsUsed]> {
562 let Inst{11-4} = 0b00000000;
566 def Srs : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
567 DPSoRegFrm, IIC_iALUsr, !strconcat(opc, "\t$dst, $a, $b"),
568 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]>,
569 Requires<[IsARM, CarryDefIsUsed]> {
578 //===----------------------------------------------------------------------===//
580 //===----------------------------------------------------------------------===//
582 //===----------------------------------------------------------------------===//
583 // Miscellaneous Instructions.
586 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
587 /// the function. The first operand is the ID# for this instruction, the second
588 /// is the index into the MachineConstantPool that this is, the third is the
589 /// size in bytes of this constant pool entry.
590 let neverHasSideEffects = 1, isNotDuplicable = 1 in
591 def CONSTPOOL_ENTRY :
592 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
593 i32imm:$size), NoItinerary,
594 "${instid:label} ${cpidx:cpentry}", []>;
596 let Defs = [SP], Uses = [SP] in {
598 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary,
599 "@ ADJCALLSTACKUP $amt1",
600 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
602 def ADJCALLSTACKDOWN :
603 PseudoInst<(outs), (ins i32imm:$amt, pred:$p), NoItinerary,
604 "@ ADJCALLSTACKDOWN $amt",
605 [(ARMcallseq_start timm:$amt)]>;
608 def NOP : AI<(outs), (ins), Pseudo, NoItinerary, "nop", "",
609 [/* For disassembly only; pattern left blank */]>,
610 Requires<[IsARM, HasV6T2]> {
611 let Inst{27-16} = 0b001100100000;
612 let Inst{7-0} = 0b00000000;
615 // The i32imm operand $val can be used by a debugger to store more information
616 // about the breakpoint.
617 def BKPT : AI<(outs), (ins i32imm:$val), Pseudo, NoItinerary, "bkpt", "\t$val",
618 [/* For disassembly only; pattern left blank */]>,
620 let Inst{27-20} = 0b00010010;
621 let Inst{7-4} = 0b0111;
624 // Change Processor State is a system instruction -- for disassembly only.
625 // The singleton $opt operand contains the following information:
626 // opt{4-0} = mode from Inst{4-0}
627 // opt{5} = changemode from Inst{17}
628 // opt{8-6} = AIF from Inst{8-6}
629 // opt{10-9} = imod from Inst{19-18} with 0b10 as enable and 0b11 as disable
630 def CPS : AXI<(outs),(ins i32imm:$opt), Pseudo, NoItinerary, "cps${opt:cps}",
631 [/* For disassembly only; pattern left blank */]>,
633 let Inst{31-28} = 0b1111;
634 let Inst{27-20} = 0b00010000;
639 def DBG : AI<(outs), (ins i32imm:$opt), Pseudo, NoItinerary, "dbg", "\t$opt",
640 [/* For disassembly only; pattern left blank */]>,
641 Requires<[IsARM, HasV7]> {
642 let Inst{27-16} = 0b001100100000;
643 let Inst{7-4} = 0b1111;
646 // A5.4 Permanently UNDEFINED instructions.
647 def TRAP : AI<(outs), (ins), Pseudo, NoItinerary, "trap", "",
648 [/* For disassembly only; pattern left blank */]>,
650 let Inst{27-25} = 0b011;
651 let Inst{24-20} = 0b11111;
652 let Inst{7-5} = 0b111;
656 // Address computation and loads and stores in PIC mode.
657 let isNotDuplicable = 1 in {
658 def PICADD : AXI1<0b0100, (outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
659 Pseudo, IIC_iALUr, "\n$cp:\n\tadd$p\t$dst, pc, $a",
660 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
662 let AddedComplexity = 10 in {
663 def PICLDR : AXI2ldw<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
664 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldr$p\t$dst, $addr",
665 [(set GPR:$dst, (load addrmodepc:$addr))]>;
667 def PICLDRH : AXI3ldh<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
668 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldrh${p}\t$dst, $addr",
669 [(set GPR:$dst, (zextloadi16 addrmodepc:$addr))]>;
671 def PICLDRB : AXI2ldb<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
672 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldrb${p}\t$dst, $addr",
673 [(set GPR:$dst, (zextloadi8 addrmodepc:$addr))]>;
675 def PICLDRSH : AXI3ldsh<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
676 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldrsh${p}\t$dst, $addr",
677 [(set GPR:$dst, (sextloadi16 addrmodepc:$addr))]>;
679 def PICLDRSB : AXI3ldsb<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
680 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldrsb${p}\t$dst, $addr",
681 [(set GPR:$dst, (sextloadi8 addrmodepc:$addr))]>;
683 let AddedComplexity = 10 in {
684 def PICSTR : AXI2stw<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
685 Pseudo, IIC_iStorer, "\n${addr:label}:\n\tstr$p\t$src, $addr",
686 [(store GPR:$src, addrmodepc:$addr)]>;
688 def PICSTRH : AXI3sth<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
689 Pseudo, IIC_iStorer, "\n${addr:label}:\n\tstrh${p}\t$src, $addr",
690 [(truncstorei16 GPR:$src, addrmodepc:$addr)]>;
692 def PICSTRB : AXI2stb<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
693 Pseudo, IIC_iStorer, "\n${addr:label}:\n\tstrb${p}\t$src, $addr",
694 [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
696 } // isNotDuplicable = 1
699 // LEApcrel - Load a pc-relative address into a register without offending the
701 def LEApcrel : AXI1<0x0, (outs GPR:$dst), (ins i32imm:$label, pred:$p),
703 !strconcat(!strconcat(".set ${:private}PCRELV${:uid}, ($label-(",
704 "${:private}PCRELL${:uid}+8))\n"),
705 !strconcat("${:private}PCRELL${:uid}:\n\t",
706 "add$p\t$dst, pc, #${:private}PCRELV${:uid}")),
709 def LEApcrelJT : AXI1<0x0, (outs GPR:$dst),
710 (ins i32imm:$label, nohash_imm:$id, pred:$p),
712 !strconcat(!strconcat(".set ${:private}PCRELV${:uid}, "
714 "${:private}PCRELL${:uid}+8))\n"),
715 !strconcat("${:private}PCRELL${:uid}:\n\t",
716 "add$p\t$dst, pc, #${:private}PCRELV${:uid}")),
721 //===----------------------------------------------------------------------===//
722 // Control Flow Instructions.
725 let isReturn = 1, isTerminator = 1, isBarrier = 1 in
726 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
727 "bx", "\tlr", [(ARMretflag)]> {
728 let Inst{3-0} = 0b1110;
729 let Inst{7-4} = 0b0001;
730 let Inst{19-8} = 0b111111111111;
731 let Inst{27-20} = 0b00010010;
735 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
736 def BRIND : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
737 [(brind GPR:$dst)]> {
738 let Inst{7-4} = 0b0001;
739 let Inst{19-8} = 0b111111111111;
740 let Inst{27-20} = 0b00010010;
741 let Inst{31-28} = 0b1110;
745 // FIXME: remove when we have a way to marking a MI with these properties.
746 // FIXME: Should pc be an implicit operand like PICADD, etc?
747 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
748 hasExtraDefRegAllocReq = 1 in
749 def LDM_RET : AXI4ld<(outs),
750 (ins addrmode4:$addr, pred:$p, reglist:$wb, variable_ops),
751 LdStMulFrm, IIC_Br, "ldm${addr:submode}${p}\t$addr, $wb",
754 // On non-Darwin platforms R9 is callee-saved.
756 Defs = [R0, R1, R2, R3, R12, LR,
757 D0, D1, D2, D3, D4, D5, D6, D7,
758 D16, D17, D18, D19, D20, D21, D22, D23,
759 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR] in {
760 def BL : ABXI<0b1011, (outs), (ins i32imm:$func, variable_ops),
761 IIC_Br, "bl\t${func:call}",
762 [(ARMcall tglobaladdr:$func)]>,
763 Requires<[IsARM, IsNotDarwin]> {
764 let Inst{31-28} = 0b1110;
767 def BL_pred : ABI<0b1011, (outs), (ins i32imm:$func, variable_ops),
768 IIC_Br, "bl", "\t${func:call}",
769 [(ARMcall_pred tglobaladdr:$func)]>,
770 Requires<[IsARM, IsNotDarwin]>;
773 def BLX : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
774 IIC_Br, "blx\t$func",
775 [(ARMcall GPR:$func)]>,
776 Requires<[IsARM, HasV5T, IsNotDarwin]> {
777 let Inst{7-4} = 0b0011;
778 let Inst{19-8} = 0b111111111111;
779 let Inst{27-20} = 0b00010010;
783 def BX : ABXIx2<(outs), (ins GPR:$func, variable_ops),
784 IIC_Br, "mov\tlr, pc\n\tbx\t$func",
785 [(ARMcall_nolink GPR:$func)]>,
786 Requires<[IsARM, IsNotDarwin]> {
787 let Inst{7-4} = 0b0001;
788 let Inst{19-8} = 0b111111111111;
789 let Inst{27-20} = 0b00010010;
793 // On Darwin R9 is call-clobbered.
795 Defs = [R0, R1, R2, R3, R9, R12, LR,
796 D0, D1, D2, D3, D4, D5, D6, D7,
797 D16, D17, D18, D19, D20, D21, D22, D23,
798 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR] in {
799 def BLr9 : ABXI<0b1011, (outs), (ins i32imm:$func, variable_ops),
800 IIC_Br, "bl\t${func:call}",
801 [(ARMcall tglobaladdr:$func)]>, Requires<[IsARM, IsDarwin]> {
802 let Inst{31-28} = 0b1110;
805 def BLr9_pred : ABI<0b1011, (outs), (ins i32imm:$func, variable_ops),
806 IIC_Br, "bl", "\t${func:call}",
807 [(ARMcall_pred tglobaladdr:$func)]>,
808 Requires<[IsARM, IsDarwin]>;
811 def BLXr9 : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
812 IIC_Br, "blx\t$func",
813 [(ARMcall GPR:$func)]>, Requires<[IsARM, HasV5T, IsDarwin]> {
814 let Inst{7-4} = 0b0011;
815 let Inst{19-8} = 0b111111111111;
816 let Inst{27-20} = 0b00010010;
820 def BXr9 : ABXIx2<(outs), (ins GPR:$func, variable_ops),
821 IIC_Br, "mov\tlr, pc\n\tbx\t$func",
822 [(ARMcall_nolink GPR:$func)]>, Requires<[IsARM, IsDarwin]> {
823 let Inst{7-4} = 0b0001;
824 let Inst{19-8} = 0b111111111111;
825 let Inst{27-20} = 0b00010010;
829 let isBranch = 1, isTerminator = 1 in {
830 // B is "predicable" since it can be xformed into a Bcc.
831 let isBarrier = 1 in {
832 let isPredicable = 1 in
833 def B : ABXI<0b1010, (outs), (ins brtarget:$target), IIC_Br,
834 "b\t$target", [(br bb:$target)]>;
836 let isNotDuplicable = 1, isIndirectBranch = 1 in {
837 def BR_JTr : JTI<(outs), (ins GPR:$target, jtblock_operand:$jt, i32imm:$id),
838 IIC_Br, "mov\tpc, $target \n$jt",
839 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]> {
840 let Inst{11-4} = 0b00000000;
841 let Inst{15-12} = 0b1111;
842 let Inst{20} = 0; // S Bit
843 let Inst{24-21} = 0b1101;
844 let Inst{27-25} = 0b000;
846 def BR_JTm : JTI<(outs),
847 (ins addrmode2:$target, jtblock_operand:$jt, i32imm:$id),
848 IIC_Br, "ldr\tpc, $target \n$jt",
849 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
851 let Inst{15-12} = 0b1111;
852 let Inst{20} = 1; // L bit
853 let Inst{21} = 0; // W bit
854 let Inst{22} = 0; // B bit
855 let Inst{24} = 1; // P bit
856 let Inst{27-25} = 0b011;
858 def BR_JTadd : JTI<(outs),
859 (ins GPR:$target, GPR:$idx, jtblock_operand:$jt, i32imm:$id),
860 IIC_Br, "add\tpc, $target, $idx \n$jt",
861 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
863 let Inst{15-12} = 0b1111;
864 let Inst{20} = 0; // S bit
865 let Inst{24-21} = 0b0100;
866 let Inst{27-25} = 0b000;
868 } // isNotDuplicable = 1, isIndirectBranch = 1
871 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
872 // a two-value operand where a dag node expects two operands. :(
873 def Bcc : ABI<0b1010, (outs), (ins brtarget:$target),
874 IIC_Br, "b", "\t$target",
875 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]>;
878 // Supervisor call (software interrupt) -- for disassembly only
880 def SVC : ABI<0b1111, (outs), (ins i32imm:$svc), IIC_Br, "svc", "\t$svc",
881 [/* For disassembly only; pattern left blank */]>;
884 //===----------------------------------------------------------------------===//
885 // Load / store Instructions.
889 let canFoldAsLoad = 1, isReMaterializable = 1, mayHaveSideEffects = 1 in
890 def LDR : AI2ldw<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm, IIC_iLoadr,
891 "ldr", "\t$dst, $addr",
892 [(set GPR:$dst, (load addrmode2:$addr))]>;
894 // Special LDR for loads from non-pc-relative constpools.
895 let canFoldAsLoad = 1, mayLoad = 1, isReMaterializable = 1,
896 mayHaveSideEffects = 1 in
897 def LDRcp : AI2ldw<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm, IIC_iLoadr,
898 "ldr", "\t$dst, $addr", []>;
900 // Loads with zero extension
901 def LDRH : AI3ldh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
902 IIC_iLoadr, "ldrh", "\t$dst, $addr",
903 [(set GPR:$dst, (zextloadi16 addrmode3:$addr))]>;
905 def LDRB : AI2ldb<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm,
906 IIC_iLoadr, "ldrb", "\t$dst, $addr",
907 [(set GPR:$dst, (zextloadi8 addrmode2:$addr))]>;
909 // Loads with sign extension
910 def LDRSH : AI3ldsh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
911 IIC_iLoadr, "ldrsh", "\t$dst, $addr",
912 [(set GPR:$dst, (sextloadi16 addrmode3:$addr))]>;
914 def LDRSB : AI3ldsb<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
915 IIC_iLoadr, "ldrsb", "\t$dst, $addr",
916 [(set GPR:$dst, (sextloadi8 addrmode3:$addr))]>;
918 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in {
920 def LDRD : AI3ldd<(outs GPR:$dst1, GPR:$dst2), (ins addrmode3:$addr), LdMiscFrm,
921 IIC_iLoadr, "ldrd", "\t$dst1, $addr",
922 []>, Requires<[IsARM, HasV5TE]>;
925 def LDR_PRE : AI2ldwpr<(outs GPR:$dst, GPR:$base_wb),
926 (ins addrmode2:$addr), LdFrm, IIC_iLoadru,
927 "ldr", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
929 def LDR_POST : AI2ldwpo<(outs GPR:$dst, GPR:$base_wb),
930 (ins GPR:$base, am2offset:$offset), LdFrm, IIC_iLoadru,
931 "ldr", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
933 def LDRH_PRE : AI3ldhpr<(outs GPR:$dst, GPR:$base_wb),
934 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadru,
935 "ldrh", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
937 def LDRH_POST : AI3ldhpo<(outs GPR:$dst, GPR:$base_wb),
938 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
939 "ldrh", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
941 def LDRB_PRE : AI2ldbpr<(outs GPR:$dst, GPR:$base_wb),
942 (ins addrmode2:$addr), LdFrm, IIC_iLoadru,
943 "ldrb", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
945 def LDRB_POST : AI2ldbpo<(outs GPR:$dst, GPR:$base_wb),
946 (ins GPR:$base,am2offset:$offset), LdFrm, IIC_iLoadru,
947 "ldrb", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
949 def LDRSH_PRE : AI3ldshpr<(outs GPR:$dst, GPR:$base_wb),
950 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadru,
951 "ldrsh", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
953 def LDRSH_POST: AI3ldshpo<(outs GPR:$dst, GPR:$base_wb),
954 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
955 "ldrsh", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
957 def LDRSB_PRE : AI3ldsbpr<(outs GPR:$dst, GPR:$base_wb),
958 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadru,
959 "ldrsb", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
961 def LDRSB_POST: AI3ldsbpo<(outs GPR:$dst, GPR:$base_wb),
962 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
963 "ldrsb", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
966 // LDRT and LDRBT are for disassembly only.
968 def LDRT : AI2ldwpo<(outs GPR:$dst, GPR:$base_wb),
969 (ins GPR:$base, am2offset:$offset), LdFrm, IIC_iLoadru,
970 "ldrt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
971 let Inst{21} = 1; // overwrite
974 def LDRBT : AI2ldbpo<(outs GPR:$dst, GPR:$base_wb),
975 (ins GPR:$base,am2offset:$offset), LdFrm, IIC_iLoadru,
976 "ldrb", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
977 let Inst{21} = 1; // overwrite
981 def STR : AI2stw<(outs), (ins GPR:$src, addrmode2:$addr), StFrm, IIC_iStorer,
982 "str", "\t$src, $addr",
983 [(store GPR:$src, addrmode2:$addr)]>;
985 // Stores with truncate
986 def STRH : AI3sth<(outs), (ins GPR:$src, addrmode3:$addr), StMiscFrm, IIC_iStorer,
987 "strh", "\t$src, $addr",
988 [(truncstorei16 GPR:$src, addrmode3:$addr)]>;
990 def STRB : AI2stb<(outs), (ins GPR:$src, addrmode2:$addr), StFrm, IIC_iStorer,
991 "strb", "\t$src, $addr",
992 [(truncstorei8 GPR:$src, addrmode2:$addr)]>;
995 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
996 def STRD : AI3std<(outs), (ins GPR:$src1, GPR:$src2, addrmode3:$addr),
997 StMiscFrm, IIC_iStorer,
998 "strd", "\t$src1, $addr", []>, Requires<[IsARM, HasV5TE]>;
1001 def STR_PRE : AI2stwpr<(outs GPR:$base_wb),
1002 (ins GPR:$src, GPR:$base, am2offset:$offset),
1003 StFrm, IIC_iStoreru,
1004 "str", "\t$src, [$base, $offset]!", "$base = $base_wb",
1006 (pre_store GPR:$src, GPR:$base, am2offset:$offset))]>;
1008 def STR_POST : AI2stwpo<(outs GPR:$base_wb),
1009 (ins GPR:$src, GPR:$base,am2offset:$offset),
1010 StFrm, IIC_iStoreru,
1011 "str", "\t$src, [$base], $offset", "$base = $base_wb",
1013 (post_store GPR:$src, GPR:$base, am2offset:$offset))]>;
1015 def STRH_PRE : AI3sthpr<(outs GPR:$base_wb),
1016 (ins GPR:$src, GPR:$base,am3offset:$offset),
1017 StMiscFrm, IIC_iStoreru,
1018 "strh", "\t$src, [$base, $offset]!", "$base = $base_wb",
1020 (pre_truncsti16 GPR:$src, GPR:$base,am3offset:$offset))]>;
1022 def STRH_POST: AI3sthpo<(outs GPR:$base_wb),
1023 (ins GPR:$src, GPR:$base,am3offset:$offset),
1024 StMiscFrm, IIC_iStoreru,
1025 "strh", "\t$src, [$base], $offset", "$base = $base_wb",
1026 [(set GPR:$base_wb, (post_truncsti16 GPR:$src,
1027 GPR:$base, am3offset:$offset))]>;
1029 def STRB_PRE : AI2stbpr<(outs GPR:$base_wb),
1030 (ins GPR:$src, GPR:$base,am2offset:$offset),
1031 StFrm, IIC_iStoreru,
1032 "strb", "\t$src, [$base, $offset]!", "$base = $base_wb",
1033 [(set GPR:$base_wb, (pre_truncsti8 GPR:$src,
1034 GPR:$base, am2offset:$offset))]>;
1036 def STRB_POST: AI2stbpo<(outs GPR:$base_wb),
1037 (ins GPR:$src, GPR:$base,am2offset:$offset),
1038 StFrm, IIC_iStoreru,
1039 "strb", "\t$src, [$base], $offset", "$base = $base_wb",
1040 [(set GPR:$base_wb, (post_truncsti8 GPR:$src,
1041 GPR:$base, am2offset:$offset))]>;
1043 // STRT and STRBT are for disassembly only.
1045 def STRT : AI2stwpo<(outs GPR:$base_wb),
1046 (ins GPR:$src, GPR:$base,am2offset:$offset),
1047 StFrm, IIC_iStoreru,
1048 "strt", "\t$src, [$base], $offset", "$base = $base_wb",
1049 [/* For disassembly only; pattern left blank */]> {
1050 let Inst{21} = 1; // overwrite
1053 def STRBT : AI2stbpo<(outs GPR:$base_wb),
1054 (ins GPR:$src, GPR:$base,am2offset:$offset),
1055 StFrm, IIC_iStoreru,
1056 "strbt", "\t$src, [$base], $offset", "$base = $base_wb",
1057 [/* For disassembly only; pattern left blank */]> {
1058 let Inst{21} = 1; // overwrite
1061 //===----------------------------------------------------------------------===//
1062 // Load / store multiple Instructions.
1065 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
1066 def LDM : AXI4ld<(outs),
1067 (ins addrmode4:$addr, pred:$p, reglist:$wb, variable_ops),
1068 LdStMulFrm, IIC_iLoadm, "ldm${addr:submode}${p}\t$addr, $wb",
1071 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
1072 def STM : AXI4st<(outs),
1073 (ins addrmode4:$addr, pred:$p, reglist:$wb, variable_ops),
1074 LdStMulFrm, IIC_iStorem, "stm${addr:submode}${p}\t$addr, $wb",
1077 //===----------------------------------------------------------------------===//
1078 // Move Instructions.
1081 let neverHasSideEffects = 1 in
1082 def MOVr : AsI1<0b1101, (outs GPR:$dst), (ins GPR:$src), DPFrm, IIC_iMOVr,
1083 "mov", "\t$dst, $src", []>, UnaryDP {
1084 let Inst{11-4} = 0b00000000;
1088 def MOVs : AsI1<0b1101, (outs GPR:$dst), (ins so_reg:$src),
1089 DPSoRegFrm, IIC_iMOVsr,
1090 "mov", "\t$dst, $src", [(set GPR:$dst, so_reg:$src)]>, UnaryDP {
1094 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
1095 def MOVi : AsI1<0b1101, (outs GPR:$dst), (ins so_imm:$src), DPFrm, IIC_iMOVi,
1096 "mov", "\t$dst, $src", [(set GPR:$dst, so_imm:$src)]>, UnaryDP {
1100 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
1101 def MOVi16 : AI1<0b1000, (outs GPR:$dst), (ins i32imm:$src),
1103 "movw", "\t$dst, $src",
1104 [(set GPR:$dst, imm0_65535:$src)]>,
1105 Requires<[IsARM, HasV6T2]>, UnaryDP {
1110 let Constraints = "$src = $dst" in
1111 def MOVTi16 : AI1<0b1010, (outs GPR:$dst), (ins GPR:$src, i32imm:$imm),
1113 "movt", "\t$dst, $imm",
1115 (or (and GPR:$src, 0xffff),
1116 lo16AllZero:$imm))]>, UnaryDP,
1117 Requires<[IsARM, HasV6T2]> {
1122 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
1123 Requires<[IsARM, HasV6T2]>;
1125 let Uses = [CPSR] in
1126 def MOVrx : AsI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo, IIC_iMOVsi,
1127 "mov", "\t$dst, $src, rrx",
1128 [(set GPR:$dst, (ARMrrx GPR:$src))]>, UnaryDP;
1130 // These aren't really mov instructions, but we have to define them this way
1131 // due to flag operands.
1133 let Defs = [CPSR] in {
1134 def MOVsrl_flag : AI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo,
1135 IIC_iMOVsi, "movs", "\t$dst, $src, lsr #1",
1136 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP;
1137 def MOVsra_flag : AI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo,
1138 IIC_iMOVsi, "movs", "\t$dst, $src, asr #1",
1139 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP;
1142 //===----------------------------------------------------------------------===//
1143 // Extend Instructions.
1148 defm SXTB : AI_unary_rrot<0b01101010,
1149 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
1150 defm SXTH : AI_unary_rrot<0b01101011,
1151 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
1153 defm SXTAB : AI_bin_rrot<0b01101010,
1154 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
1155 defm SXTAH : AI_bin_rrot<0b01101011,
1156 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
1158 // TODO: SXT(A){B|H}16
1162 let AddedComplexity = 16 in {
1163 defm UXTB : AI_unary_rrot<0b01101110,
1164 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
1165 defm UXTH : AI_unary_rrot<0b01101111,
1166 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
1167 defm UXTB16 : AI_unary_rrot<0b01101100,
1168 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
1170 def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
1171 (UXTB16r_rot GPR:$Src, 24)>;
1172 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
1173 (UXTB16r_rot GPR:$Src, 8)>;
1175 defm UXTAB : AI_bin_rrot<0b01101110, "uxtab",
1176 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
1177 defm UXTAH : AI_bin_rrot<0b01101111, "uxtah",
1178 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
1181 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
1182 //defm UXTAB16 : xxx<"uxtab16", 0xff00ff>;
1184 // TODO: UXT(A){B|H}16
1186 def SBFX : I<(outs GPR:$dst),
1187 (ins GPR:$src, imm0_31:$lsb, imm0_31:$width),
1188 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iALUi,
1189 "sbfx", "\t$dst, $src, $lsb, $width", "", []>,
1190 Requires<[IsARM, HasV6T2]> {
1191 let Inst{27-21} = 0b0111101;
1192 let Inst{6-4} = 0b101;
1195 def UBFX : I<(outs GPR:$dst),
1196 (ins GPR:$src, imm0_31:$lsb, imm0_31:$width),
1197 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iALUi,
1198 "ubfx", "\t$dst, $src, $lsb, $width", "", []>,
1199 Requires<[IsARM, HasV6T2]> {
1200 let Inst{27-21} = 0b0111111;
1201 let Inst{6-4} = 0b101;
1204 //===----------------------------------------------------------------------===//
1205 // Arithmetic Instructions.
1208 defm ADD : AsI1_bin_irs<0b0100, "add",
1209 BinOpFrag<(add node:$LHS, node:$RHS)>, 1>;
1210 defm SUB : AsI1_bin_irs<0b0010, "sub",
1211 BinOpFrag<(sub node:$LHS, node:$RHS)>>;
1213 // ADD and SUB with 's' bit set.
1214 defm ADDS : AI1_bin_s_irs<0b0100, "adds",
1215 BinOpFrag<(addc node:$LHS, node:$RHS)>, 1>;
1216 defm SUBS : AI1_bin_s_irs<0b0010, "subs",
1217 BinOpFrag<(subc node:$LHS, node:$RHS)>>;
1219 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
1220 BinOpFrag<(adde node:$LHS, node:$RHS)>, 1>;
1221 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
1222 BinOpFrag<(sube node:$LHS, node:$RHS)>>;
1223 defm ADCS : AI1_adde_sube_s_irs<0b0101, "adcs",
1224 BinOpFrag<(adde node:$LHS, node:$RHS)>, 1>;
1225 defm SBCS : AI1_adde_sube_s_irs<0b0110, "sbcs",
1226 BinOpFrag<(sube node:$LHS, node:$RHS)>>;
1228 // These don't define reg/reg forms, because they are handled above.
1229 def RSBri : AsI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
1230 IIC_iALUi, "rsb", "\t$dst, $a, $b",
1231 [(set GPR:$dst, (sub so_imm:$b, GPR:$a))]> {
1235 def RSBrs : AsI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
1236 IIC_iALUsr, "rsb", "\t$dst, $a, $b",
1237 [(set GPR:$dst, (sub so_reg:$b, GPR:$a))]> {
1241 // RSB with 's' bit set.
1242 let Defs = [CPSR] in {
1243 def RSBSri : AI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
1244 IIC_iALUi, "rsbs", "\t$dst, $a, $b",
1245 [(set GPR:$dst, (subc so_imm:$b, GPR:$a))]> {
1249 def RSBSrs : AI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
1250 IIC_iALUsr, "rsbs", "\t$dst, $a, $b",
1251 [(set GPR:$dst, (subc so_reg:$b, GPR:$a))]> {
1257 let Uses = [CPSR] in {
1258 def RSCri : AsI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
1259 DPFrm, IIC_iALUi, "rsc", "\t$dst, $a, $b",
1260 [(set GPR:$dst, (sube so_imm:$b, GPR:$a))]>,
1261 Requires<[IsARM, CarryDefIsUnused]> {
1264 def RSCrs : AsI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
1265 DPSoRegFrm, IIC_iALUsr, "rsc", "\t$dst, $a, $b",
1266 [(set GPR:$dst, (sube so_reg:$b, GPR:$a))]>,
1267 Requires<[IsARM, CarryDefIsUnused]> {
1272 // FIXME: Allow these to be predicated.
1273 let Defs = [CPSR], Uses = [CPSR] in {
1274 def RSCSri : AXI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
1275 DPFrm, IIC_iALUi, "rscs\t$dst, $a, $b",
1276 [(set GPR:$dst, (sube so_imm:$b, GPR:$a))]>,
1277 Requires<[IsARM, CarryDefIsUnused]> {
1281 def RSCSrs : AXI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
1282 DPSoRegFrm, IIC_iALUsr, "rscs\t$dst, $a, $b",
1283 [(set GPR:$dst, (sube so_reg:$b, GPR:$a))]>,
1284 Requires<[IsARM, CarryDefIsUnused]> {
1290 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
1291 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
1292 (SUBri GPR:$src, so_imm_neg:$imm)>;
1294 //def : ARMPat<(addc GPR:$src, so_imm_neg:$imm),
1295 // (SUBSri GPR:$src, so_imm_neg:$imm)>;
1296 //def : ARMPat<(adde GPR:$src, so_imm_neg:$imm),
1297 // (SBCri GPR:$src, so_imm_neg:$imm)>;
1299 // Note: These are implemented in C++ code, because they have to generate
1300 // ADD/SUBrs instructions, which use a complex pattern that a xform function
1302 // (mul X, 2^n+1) -> (add (X << n), X)
1303 // (mul X, 2^n-1) -> (rsb X, (X << n))
1306 //===----------------------------------------------------------------------===//
1307 // Bitwise Instructions.
1310 defm AND : AsI1_bin_irs<0b0000, "and",
1311 BinOpFrag<(and node:$LHS, node:$RHS)>, 1>;
1312 defm ORR : AsI1_bin_irs<0b1100, "orr",
1313 BinOpFrag<(or node:$LHS, node:$RHS)>, 1>;
1314 defm EOR : AsI1_bin_irs<0b0001, "eor",
1315 BinOpFrag<(xor node:$LHS, node:$RHS)>, 1>;
1316 defm BIC : AsI1_bin_irs<0b1110, "bic",
1317 BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
1319 def BFC : I<(outs GPR:$dst), (ins GPR:$src, bf_inv_mask_imm:$imm),
1320 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
1321 "bfc", "\t$dst, $imm", "$src = $dst",
1322 [(set GPR:$dst, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
1323 Requires<[IsARM, HasV6T2]> {
1324 let Inst{27-21} = 0b0111110;
1325 let Inst{6-0} = 0b0011111;
1328 def MVNr : AsI1<0b1111, (outs GPR:$dst), (ins GPR:$src), DPFrm, IIC_iMOVr,
1329 "mvn", "\t$dst, $src",
1330 [(set GPR:$dst, (not GPR:$src))]>, UnaryDP {
1332 let Inst{11-4} = 0b00000000;
1334 def MVNs : AsI1<0b1111, (outs GPR:$dst), (ins so_reg:$src), DPSoRegFrm,
1335 IIC_iMOVsr, "mvn", "\t$dst, $src",
1336 [(set GPR:$dst, (not so_reg:$src))]>, UnaryDP {
1339 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
1340 def MVNi : AsI1<0b1111, (outs GPR:$dst), (ins so_imm:$imm), DPFrm,
1341 IIC_iMOVi, "mvn", "\t$dst, $imm",
1342 [(set GPR:$dst, so_imm_not:$imm)]>,UnaryDP {
1346 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
1347 (BICri GPR:$src, so_imm_not:$imm)>;
1349 //===----------------------------------------------------------------------===//
1350 // Multiply Instructions.
1353 let isCommutable = 1 in
1354 def MUL : AsMul1I<0b0000000, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1355 IIC_iMUL32, "mul", "\t$dst, $a, $b",
1356 [(set GPR:$dst, (mul GPR:$a, GPR:$b))]>;
1358 def MLA : AsMul1I<0b0000001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1359 IIC_iMAC32, "mla", "\t$dst, $a, $b, $c",
1360 [(set GPR:$dst, (add (mul GPR:$a, GPR:$b), GPR:$c))]>;
1362 def MLS : AMul1I<0b0000011, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1363 IIC_iMAC32, "mls", "\t$dst, $a, $b, $c",
1364 [(set GPR:$dst, (sub GPR:$c, (mul GPR:$a, GPR:$b)))]>,
1365 Requires<[IsARM, HasV6T2]>;
1367 // Extra precision multiplies with low / high results
1368 let neverHasSideEffects = 1 in {
1369 let isCommutable = 1 in {
1370 def SMULL : AsMul1I<0b0000110, (outs GPR:$ldst, GPR:$hdst),
1371 (ins GPR:$a, GPR:$b), IIC_iMUL64,
1372 "smull", "\t$ldst, $hdst, $a, $b", []>;
1374 def UMULL : AsMul1I<0b0000100, (outs GPR:$ldst, GPR:$hdst),
1375 (ins GPR:$a, GPR:$b), IIC_iMUL64,
1376 "umull", "\t$ldst, $hdst, $a, $b", []>;
1379 // Multiply + accumulate
1380 def SMLAL : AsMul1I<0b0000111, (outs GPR:$ldst, GPR:$hdst),
1381 (ins GPR:$a, GPR:$b), IIC_iMAC64,
1382 "smlal", "\t$ldst, $hdst, $a, $b", []>;
1384 def UMLAL : AsMul1I<0b0000101, (outs GPR:$ldst, GPR:$hdst),
1385 (ins GPR:$a, GPR:$b), IIC_iMAC64,
1386 "umlal", "\t$ldst, $hdst, $a, $b", []>;
1388 def UMAAL : AMul1I <0b0000010, (outs GPR:$ldst, GPR:$hdst),
1389 (ins GPR:$a, GPR:$b), IIC_iMAC64,
1390 "umaal", "\t$ldst, $hdst, $a, $b", []>,
1391 Requires<[IsARM, HasV6]>;
1392 } // neverHasSideEffects
1394 // Most significant word multiply
1395 def SMMUL : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1396 IIC_iMUL32, "smmul", "\t$dst, $a, $b",
1397 [(set GPR:$dst, (mulhs GPR:$a, GPR:$b))]>,
1398 Requires<[IsARM, HasV6]> {
1399 let Inst{7-4} = 0b0001;
1400 let Inst{15-12} = 0b1111;
1403 def SMMLA : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1404 IIC_iMAC32, "smmla", "\t$dst, $a, $b, $c",
1405 [(set GPR:$dst, (add (mulhs GPR:$a, GPR:$b), GPR:$c))]>,
1406 Requires<[IsARM, HasV6]> {
1407 let Inst{7-4} = 0b0001;
1411 def SMMLS : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1412 IIC_iMAC32, "smmls", "\t$dst, $a, $b, $c",
1413 [(set GPR:$dst, (sub GPR:$c, (mulhs GPR:$a, GPR:$b)))]>,
1414 Requires<[IsARM, HasV6]> {
1415 let Inst{7-4} = 0b1101;
1418 multiclass AI_smul<string opc, PatFrag opnode> {
1419 def BB : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1420 IIC_iMUL32, !strconcat(opc, "bb"), "\t$dst, $a, $b",
1421 [(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16),
1422 (sext_inreg GPR:$b, i16)))]>,
1423 Requires<[IsARM, HasV5TE]> {
1428 def BT : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1429 IIC_iMUL32, !strconcat(opc, "bt"), "\t$dst, $a, $b",
1430 [(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16),
1431 (sra GPR:$b, (i32 16))))]>,
1432 Requires<[IsARM, HasV5TE]> {
1437 def TB : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1438 IIC_iMUL32, !strconcat(opc, "tb"), "\t$dst, $a, $b",
1439 [(set GPR:$dst, (opnode (sra GPR:$a, (i32 16)),
1440 (sext_inreg GPR:$b, i16)))]>,
1441 Requires<[IsARM, HasV5TE]> {
1446 def TT : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1447 IIC_iMUL32, !strconcat(opc, "tt"), "\t$dst, $a, $b",
1448 [(set GPR:$dst, (opnode (sra GPR:$a, (i32 16)),
1449 (sra GPR:$b, (i32 16))))]>,
1450 Requires<[IsARM, HasV5TE]> {
1455 def WB : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1456 IIC_iMUL16, !strconcat(opc, "wb"), "\t$dst, $a, $b",
1457 [(set GPR:$dst, (sra (opnode GPR:$a,
1458 (sext_inreg GPR:$b, i16)), (i32 16)))]>,
1459 Requires<[IsARM, HasV5TE]> {
1464 def WT : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1465 IIC_iMUL16, !strconcat(opc, "wt"), "\t$dst, $a, $b",
1466 [(set GPR:$dst, (sra (opnode GPR:$a,
1467 (sra GPR:$b, (i32 16))), (i32 16)))]>,
1468 Requires<[IsARM, HasV5TE]> {
1475 multiclass AI_smla<string opc, PatFrag opnode> {
1476 def BB : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1477 IIC_iMAC16, !strconcat(opc, "bb"), "\t$dst, $a, $b, $acc",
1478 [(set GPR:$dst, (add GPR:$acc,
1479 (opnode (sext_inreg GPR:$a, i16),
1480 (sext_inreg GPR:$b, i16))))]>,
1481 Requires<[IsARM, HasV5TE]> {
1486 def BT : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1487 IIC_iMAC16, !strconcat(opc, "bt"), "\t$dst, $a, $b, $acc",
1488 [(set GPR:$dst, (add GPR:$acc, (opnode (sext_inreg GPR:$a, i16),
1489 (sra GPR:$b, (i32 16)))))]>,
1490 Requires<[IsARM, HasV5TE]> {
1495 def TB : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1496 IIC_iMAC16, !strconcat(opc, "tb"), "\t$dst, $a, $b, $acc",
1497 [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, (i32 16)),
1498 (sext_inreg GPR:$b, i16))))]>,
1499 Requires<[IsARM, HasV5TE]> {
1504 def TT : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1505 IIC_iMAC16, !strconcat(opc, "tt"), "\t$dst, $a, $b, $acc",
1506 [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, (i32 16)),
1507 (sra GPR:$b, (i32 16)))))]>,
1508 Requires<[IsARM, HasV5TE]> {
1513 def WB : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1514 IIC_iMAC16, !strconcat(opc, "wb"), "\t$dst, $a, $b, $acc",
1515 [(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a,
1516 (sext_inreg GPR:$b, i16)), (i32 16))))]>,
1517 Requires<[IsARM, HasV5TE]> {
1522 def WT : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1523 IIC_iMAC16, !strconcat(opc, "wt"), "\t$dst, $a, $b, $acc",
1524 [(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a,
1525 (sra GPR:$b, (i32 16))), (i32 16))))]>,
1526 Requires<[IsARM, HasV5TE]> {
1532 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
1533 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
1535 // TODO: Halfword multiple accumulate long: SMLAL<x><y>
1536 // TODO: Dual halfword multiple: SMUAD, SMUSD, SMLAD, SMLSD, SMLALD, SMLSLD
1538 //===----------------------------------------------------------------------===//
1539 // Misc. Arithmetic Instructions.
1542 def CLZ : AMiscA1I<0b000010110, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
1543 "clz", "\t$dst, $src",
1544 [(set GPR:$dst, (ctlz GPR:$src))]>, Requires<[IsARM, HasV5T]> {
1545 let Inst{7-4} = 0b0001;
1546 let Inst{11-8} = 0b1111;
1547 let Inst{19-16} = 0b1111;
1550 def RBIT : AMiscA1I<0b01101111, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
1551 "rbit", "\t$dst, $src",
1552 [(set GPR:$dst, (ARMrbit GPR:$src))]>,
1553 Requires<[IsARM, HasV6T2]> {
1554 let Inst{7-4} = 0b0011;
1555 let Inst{11-8} = 0b1111;
1556 let Inst{19-16} = 0b1111;
1559 def REV : AMiscA1I<0b01101011, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
1560 "rev", "\t$dst, $src",
1561 [(set GPR:$dst, (bswap GPR:$src))]>, Requires<[IsARM, HasV6]> {
1562 let Inst{7-4} = 0b0011;
1563 let Inst{11-8} = 0b1111;
1564 let Inst{19-16} = 0b1111;
1567 def REV16 : AMiscA1I<0b01101011, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
1568 "rev16", "\t$dst, $src",
1570 (or (and (srl GPR:$src, (i32 8)), 0xFF),
1571 (or (and (shl GPR:$src, (i32 8)), 0xFF00),
1572 (or (and (srl GPR:$src, (i32 8)), 0xFF0000),
1573 (and (shl GPR:$src, (i32 8)), 0xFF000000)))))]>,
1574 Requires<[IsARM, HasV6]> {
1575 let Inst{7-4} = 0b1011;
1576 let Inst{11-8} = 0b1111;
1577 let Inst{19-16} = 0b1111;
1580 def REVSH : AMiscA1I<0b01101111, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
1581 "revsh", "\t$dst, $src",
1584 (or (srl (and GPR:$src, 0xFF00), (i32 8)),
1585 (shl GPR:$src, (i32 8))), i16))]>,
1586 Requires<[IsARM, HasV6]> {
1587 let Inst{7-4} = 0b1011;
1588 let Inst{11-8} = 0b1111;
1589 let Inst{19-16} = 0b1111;
1592 def PKHBT : AMiscA1I<0b01101000, (outs GPR:$dst),
1593 (ins GPR:$src1, GPR:$src2, i32imm:$shamt),
1594 IIC_iALUsi, "pkhbt", "\t$dst, $src1, $src2, LSL $shamt",
1595 [(set GPR:$dst, (or (and GPR:$src1, 0xFFFF),
1596 (and (shl GPR:$src2, (i32 imm:$shamt)),
1598 Requires<[IsARM, HasV6]> {
1599 let Inst{6-4} = 0b001;
1602 // Alternate cases for PKHBT where identities eliminate some nodes.
1603 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF), (and GPR:$src2, 0xFFFF0000)),
1604 (PKHBT GPR:$src1, GPR:$src2, 0)>;
1605 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF), (shl GPR:$src2, imm16_31:$shamt)),
1606 (PKHBT GPR:$src1, GPR:$src2, imm16_31:$shamt)>;
1609 def PKHTB : AMiscA1I<0b01101000, (outs GPR:$dst),
1610 (ins GPR:$src1, GPR:$src2, i32imm:$shamt),
1611 IIC_iALUsi, "pkhtb", "\t$dst, $src1, $src2, ASR $shamt",
1612 [(set GPR:$dst, (or (and GPR:$src1, 0xFFFF0000),
1613 (and (sra GPR:$src2, imm16_31:$shamt),
1614 0xFFFF)))]>, Requires<[IsARM, HasV6]> {
1615 let Inst{6-4} = 0b101;
1618 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
1619 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
1620 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000), (srl GPR:$src2, (i32 16))),
1621 (PKHTB GPR:$src1, GPR:$src2, 16)>;
1622 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000),
1623 (and (srl GPR:$src2, imm1_15:$shamt), 0xFFFF)),
1624 (PKHTB GPR:$src1, GPR:$src2, imm1_15:$shamt)>;
1626 //===----------------------------------------------------------------------===//
1627 // Comparison Instructions...
1630 defm CMP : AI1_cmp_irs<0b1010, "cmp",
1631 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
1632 //FIXME: Disable CMN, as CCodes are backwards from compare expectations
1633 // Compare-to-zero still works out, just not the relationals
1634 //defm CMN : AI1_cmp_irs<0b1011, "cmn",
1635 // BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
1637 // Note that TST/TEQ don't set all the same flags that CMP does!
1638 defm TST : AI1_cmp_irs<0b1000, "tst",
1639 BinOpFrag<(ARMcmpZ (and node:$LHS, node:$RHS), 0)>, 1>;
1640 defm TEQ : AI1_cmp_irs<0b1001, "teq",
1641 BinOpFrag<(ARMcmpZ (xor node:$LHS, node:$RHS), 0)>, 1>;
1643 defm CMPz : AI1_cmp_irs<0b1010, "cmp",
1644 BinOpFrag<(ARMcmpZ node:$LHS, node:$RHS)>>;
1645 defm CMNz : AI1_cmp_irs<0b1011, "cmn",
1646 BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>>;
1648 //def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
1649 // (CMNri GPR:$src, so_imm_neg:$imm)>;
1651 def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
1652 (CMNzri GPR:$src, so_imm_neg:$imm)>;
1655 // Conditional moves
1656 // FIXME: should be able to write a pattern for ARMcmov, but can't use
1657 // a two-value operand where a dag node expects two operands. :(
1658 def MOVCCr : AI1<0b1101, (outs GPR:$dst), (ins GPR:$false, GPR:$true), DPFrm,
1659 IIC_iCMOVr, "mov", "\t$dst, $true",
1660 [/*(set GPR:$dst, (ARMcmov GPR:$false, GPR:$true, imm:$cc, CCR:$ccr))*/]>,
1661 RegConstraint<"$false = $dst">, UnaryDP {
1662 let Inst{11-4} = 0b00000000;
1666 def MOVCCs : AI1<0b1101, (outs GPR:$dst),
1667 (ins GPR:$false, so_reg:$true), DPSoRegFrm, IIC_iCMOVsr,
1668 "mov", "\t$dst, $true",
1669 [/*(set GPR:$dst, (ARMcmov GPR:$false, so_reg:$true, imm:$cc, CCR:$ccr))*/]>,
1670 RegConstraint<"$false = $dst">, UnaryDP {
1674 def MOVCCi : AI1<0b1101, (outs GPR:$dst),
1675 (ins GPR:$false, so_imm:$true), DPFrm, IIC_iCMOVi,
1676 "mov", "\t$dst, $true",
1677 [/*(set GPR:$dst, (ARMcmov GPR:$false, so_imm:$true, imm:$cc, CCR:$ccr))*/]>,
1678 RegConstraint<"$false = $dst">, UnaryDP {
1682 //===----------------------------------------------------------------------===//
1683 // Atomic operations intrinsics
1686 // memory barriers protect the atomic sequences
1687 let hasSideEffects = 1 in {
1688 def Int_MemBarrierV7 : AInoP<(outs), (ins),
1689 Pseudo, NoItinerary,
1691 [(ARMMemBarrierV7)]>,
1692 Requires<[IsARM, HasV7]> {
1693 let Inst{31-4} = 0xf57ff05;
1694 // FIXME: add support for options other than a full system DMB
1695 let Inst{3-0} = 0b1111;
1698 def Int_SyncBarrierV7 : AInoP<(outs), (ins),
1699 Pseudo, NoItinerary,
1701 [(ARMSyncBarrierV7)]>,
1702 Requires<[IsARM, HasV7]> {
1703 let Inst{31-4} = 0xf57ff04;
1704 // FIXME: add support for options other than a full system DSB
1705 let Inst{3-0} = 0b1111;
1708 def Int_MemBarrierV6 : AInoP<(outs), (ins GPR:$zero),
1709 Pseudo, NoItinerary,
1710 "mcr", "\tp15, 0, $zero, c7, c10, 5",
1711 [(ARMMemBarrierV6 GPR:$zero)]>,
1712 Requires<[IsARM, HasV6]> {
1713 // FIXME: add support for options other than a full system DMB
1714 // FIXME: add encoding
1717 def Int_SyncBarrierV6 : AInoP<(outs), (ins GPR:$zero),
1718 Pseudo, NoItinerary,
1719 "mcr", "\tp15, 0, $zero, c7, c10, 4",
1720 [(ARMSyncBarrierV6 GPR:$zero)]>,
1721 Requires<[IsARM, HasV6]> {
1722 // FIXME: add support for options other than a full system DSB
1723 // FIXME: add encoding
1727 let usesCustomInserter = 1 in {
1728 let Uses = [CPSR] in {
1729 def ATOMIC_LOAD_ADD_I8 : PseudoInst<
1730 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
1731 "${:comment} ATOMIC_LOAD_ADD_I8 PSEUDO!",
1732 [(set GPR:$dst, (atomic_load_add_8 GPR:$ptr, GPR:$incr))]>;
1733 def ATOMIC_LOAD_SUB_I8 : PseudoInst<
1734 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
1735 "${:comment} ATOMIC_LOAD_SUB_I8 PSEUDO!",
1736 [(set GPR:$dst, (atomic_load_sub_8 GPR:$ptr, GPR:$incr))]>;
1737 def ATOMIC_LOAD_AND_I8 : PseudoInst<
1738 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
1739 "${:comment} ATOMIC_LOAD_AND_I8 PSEUDO!",
1740 [(set GPR:$dst, (atomic_load_and_8 GPR:$ptr, GPR:$incr))]>;
1741 def ATOMIC_LOAD_OR_I8 : PseudoInst<
1742 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
1743 "${:comment} ATOMIC_LOAD_OR_I8 PSEUDO!",
1744 [(set GPR:$dst, (atomic_load_or_8 GPR:$ptr, GPR:$incr))]>;
1745 def ATOMIC_LOAD_XOR_I8 : PseudoInst<
1746 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
1747 "${:comment} ATOMIC_LOAD_XOR_I8 PSEUDO!",
1748 [(set GPR:$dst, (atomic_load_xor_8 GPR:$ptr, GPR:$incr))]>;
1749 def ATOMIC_LOAD_NAND_I8 : PseudoInst<
1750 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
1751 "${:comment} ATOMIC_LOAD_NAND_I8 PSEUDO!",
1752 [(set GPR:$dst, (atomic_load_nand_8 GPR:$ptr, GPR:$incr))]>;
1753 def ATOMIC_LOAD_ADD_I16 : PseudoInst<
1754 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
1755 "${:comment} ATOMIC_LOAD_ADD_I16 PSEUDO!",
1756 [(set GPR:$dst, (atomic_load_add_16 GPR:$ptr, GPR:$incr))]>;
1757 def ATOMIC_LOAD_SUB_I16 : PseudoInst<
1758 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
1759 "${:comment} ATOMIC_LOAD_SUB_I16 PSEUDO!",
1760 [(set GPR:$dst, (atomic_load_sub_16 GPR:$ptr, GPR:$incr))]>;
1761 def ATOMIC_LOAD_AND_I16 : PseudoInst<
1762 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
1763 "${:comment} ATOMIC_LOAD_AND_I16 PSEUDO!",
1764 [(set GPR:$dst, (atomic_load_and_16 GPR:$ptr, GPR:$incr))]>;
1765 def ATOMIC_LOAD_OR_I16 : PseudoInst<
1766 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
1767 "${:comment} ATOMIC_LOAD_OR_I16 PSEUDO!",
1768 [(set GPR:$dst, (atomic_load_or_16 GPR:$ptr, GPR:$incr))]>;
1769 def ATOMIC_LOAD_XOR_I16 : PseudoInst<
1770 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
1771 "${:comment} ATOMIC_LOAD_XOR_I16 PSEUDO!",
1772 [(set GPR:$dst, (atomic_load_xor_16 GPR:$ptr, GPR:$incr))]>;
1773 def ATOMIC_LOAD_NAND_I16 : PseudoInst<
1774 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
1775 "${:comment} ATOMIC_LOAD_NAND_I16 PSEUDO!",
1776 [(set GPR:$dst, (atomic_load_nand_16 GPR:$ptr, GPR:$incr))]>;
1777 def ATOMIC_LOAD_ADD_I32 : PseudoInst<
1778 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
1779 "${:comment} ATOMIC_LOAD_ADD_I32 PSEUDO!",
1780 [(set GPR:$dst, (atomic_load_add_32 GPR:$ptr, GPR:$incr))]>;
1781 def ATOMIC_LOAD_SUB_I32 : PseudoInst<
1782 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
1783 "${:comment} ATOMIC_LOAD_SUB_I32 PSEUDO!",
1784 [(set GPR:$dst, (atomic_load_sub_32 GPR:$ptr, GPR:$incr))]>;
1785 def ATOMIC_LOAD_AND_I32 : PseudoInst<
1786 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
1787 "${:comment} ATOMIC_LOAD_AND_I32 PSEUDO!",
1788 [(set GPR:$dst, (atomic_load_and_32 GPR:$ptr, GPR:$incr))]>;
1789 def ATOMIC_LOAD_OR_I32 : PseudoInst<
1790 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
1791 "${:comment} ATOMIC_LOAD_OR_I32 PSEUDO!",
1792 [(set GPR:$dst, (atomic_load_or_32 GPR:$ptr, GPR:$incr))]>;
1793 def ATOMIC_LOAD_XOR_I32 : PseudoInst<
1794 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
1795 "${:comment} ATOMIC_LOAD_XOR_I32 PSEUDO!",
1796 [(set GPR:$dst, (atomic_load_xor_32 GPR:$ptr, GPR:$incr))]>;
1797 def ATOMIC_LOAD_NAND_I32 : PseudoInst<
1798 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
1799 "${:comment} ATOMIC_LOAD_NAND_I32 PSEUDO!",
1800 [(set GPR:$dst, (atomic_load_nand_32 GPR:$ptr, GPR:$incr))]>;
1802 def ATOMIC_SWAP_I8 : PseudoInst<
1803 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
1804 "${:comment} ATOMIC_SWAP_I8 PSEUDO!",
1805 [(set GPR:$dst, (atomic_swap_8 GPR:$ptr, GPR:$new))]>;
1806 def ATOMIC_SWAP_I16 : PseudoInst<
1807 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
1808 "${:comment} ATOMIC_SWAP_I16 PSEUDO!",
1809 [(set GPR:$dst, (atomic_swap_16 GPR:$ptr, GPR:$new))]>;
1810 def ATOMIC_SWAP_I32 : PseudoInst<
1811 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
1812 "${:comment} ATOMIC_SWAP_I32 PSEUDO!",
1813 [(set GPR:$dst, (atomic_swap_32 GPR:$ptr, GPR:$new))]>;
1815 def ATOMIC_CMP_SWAP_I8 : PseudoInst<
1816 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
1817 "${:comment} ATOMIC_CMP_SWAP_I8 PSEUDO!",
1818 [(set GPR:$dst, (atomic_cmp_swap_8 GPR:$ptr, GPR:$old, GPR:$new))]>;
1819 def ATOMIC_CMP_SWAP_I16 : PseudoInst<
1820 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
1821 "${:comment} ATOMIC_CMP_SWAP_I16 PSEUDO!",
1822 [(set GPR:$dst, (atomic_cmp_swap_16 GPR:$ptr, GPR:$old, GPR:$new))]>;
1823 def ATOMIC_CMP_SWAP_I32 : PseudoInst<
1824 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
1825 "${:comment} ATOMIC_CMP_SWAP_I32 PSEUDO!",
1826 [(set GPR:$dst, (atomic_cmp_swap_32 GPR:$ptr, GPR:$old, GPR:$new))]>;
1830 let mayLoad = 1 in {
1831 def LDREXB : AIldrex<0b10, (outs GPR:$dest), (ins GPR:$ptr), NoItinerary,
1832 "ldrexb", "\t$dest, [$ptr]",
1834 def LDREXH : AIldrex<0b11, (outs GPR:$dest), (ins GPR:$ptr), NoItinerary,
1835 "ldrexh", "\t$dest, [$ptr]",
1837 def LDREX : AIldrex<0b00, (outs GPR:$dest), (ins GPR:$ptr), NoItinerary,
1838 "ldrex", "\t$dest, [$ptr]",
1840 def LDREXD : AIldrex<0b01, (outs GPR:$dest, GPR:$dest2), (ins GPR:$ptr),
1842 "ldrexd", "\t$dest, $dest2, [$ptr]",
1846 let mayStore = 1, Constraints = "@earlyclobber $success" in {
1847 def STREXB : AIstrex<0b10, (outs GPR:$success), (ins GPR:$src, GPR:$ptr),
1849 "strexb", "\t$success, $src, [$ptr]",
1851 def STREXH : AIstrex<0b11, (outs GPR:$success), (ins GPR:$src, GPR:$ptr),
1853 "strexh", "\t$success, $src, [$ptr]",
1855 def STREX : AIstrex<0b00, (outs GPR:$success), (ins GPR:$src, GPR:$ptr),
1857 "strex", "\t$success, $src, [$ptr]",
1859 def STREXD : AIstrex<0b01, (outs GPR:$success),
1860 (ins GPR:$src, GPR:$src2, GPR:$ptr),
1862 "strexd", "\t$success, $src, $src2, [$ptr]",
1866 // SWP/SWPB are deprecated in V6/V7 and for disassembly only.
1867 let mayLoad = 1 in {
1868 def SWP : AI<(outs GPR:$dst), (ins GPR:$src, GPR:$ptr), LdStExFrm, NoItinerary,
1869 "swp", "\t$dst, $src, [$ptr]",
1870 [/* For disassembly only; pattern left blank */]> {
1871 let Inst{27-23} = 0b00010;
1872 let Inst{22} = 0; // B = 0
1873 let Inst{21-20} = 0b00;
1874 let Inst{7-4} = 0b1001;
1877 def SWPB : AI<(outs GPR:$dst), (ins GPR:$src, GPR:$ptr), LdStExFrm, NoItinerary,
1878 "swpb", "\t$dst, $src, [$ptr]",
1879 [/* For disassembly only; pattern left blank */]> {
1880 let Inst{27-23} = 0b00010;
1881 let Inst{22} = 1; // B = 1
1882 let Inst{21-20} = 0b00;
1883 let Inst{7-4} = 0b1001;
1887 //===----------------------------------------------------------------------===//
1891 // __aeabi_read_tp preserves the registers r1-r3.
1893 Defs = [R0, R12, LR, CPSR] in {
1894 def TPsoft : ABXI<0b1011, (outs), (ins), IIC_Br,
1895 "bl\t__aeabi_read_tp",
1896 [(set R0, ARMthread_pointer)]>;
1899 //===----------------------------------------------------------------------===//
1900 // SJLJ Exception handling intrinsics
1901 // eh_sjlj_setjmp() is an instruction sequence to store the return
1902 // address and save #0 in R0 for the non-longjmp case.
1903 // Since by its nature we may be coming from some other function to get
1904 // here, and we're using the stack frame for the containing function to
1905 // save/restore registers, we can't keep anything live in regs across
1906 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
1907 // when we get here from a longjmp(). We force everthing out of registers
1908 // except for our own input by listing the relevant registers in Defs. By
1909 // doing so, we also cause the prologue/epilogue code to actively preserve
1910 // all of the callee-saved resgisters, which is exactly what we want.
1911 // A constant value is passed in $val, and we use the location as a scratch.
1913 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, D0,
1914 D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15,
1915 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26, D27, D28, D29, D30,
1917 def Int_eh_sjlj_setjmp : XI<(outs), (ins GPR:$src, GPR:$val),
1918 AddrModeNone, SizeSpecial, IndexModeNone,
1919 Pseudo, NoItinerary,
1920 "str\tsp, [$src, #+8] @ eh_setjmp begin\n\t"
1921 "add\t$val, pc, #8\n\t"
1922 "str\t$val, [$src, #+4]\n\t"
1924 "add\tpc, pc, #0\n\t"
1925 "mov\tr0, #1 @ eh_setjmp end", "",
1926 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>;
1929 //===----------------------------------------------------------------------===//
1930 // Non-Instruction Patterns
1933 // Large immediate handling.
1935 // Two piece so_imms.
1936 let isReMaterializable = 1 in
1937 def MOVi2pieces : AI1x2<(outs GPR:$dst), (ins so_imm2part:$src),
1939 "mov", "\t$dst, $src",
1940 [(set GPR:$dst, so_imm2part:$src)]>,
1941 Requires<[IsARM, NoV6T2]>;
1943 def : ARMPat<(or GPR:$LHS, so_imm2part:$RHS),
1944 (ORRri (ORRri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
1945 (so_imm2part_2 imm:$RHS))>;
1946 def : ARMPat<(xor GPR:$LHS, so_imm2part:$RHS),
1947 (EORri (EORri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
1948 (so_imm2part_2 imm:$RHS))>;
1949 def : ARMPat<(add GPR:$LHS, so_imm2part:$RHS),
1950 (ADDri (ADDri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
1951 (so_imm2part_2 imm:$RHS))>;
1952 def : ARMPat<(add GPR:$LHS, so_neg_imm2part:$RHS),
1953 (SUBri (SUBri GPR:$LHS, (so_neg_imm2part_1 imm:$RHS)),
1954 (so_neg_imm2part_2 imm:$RHS))>;
1956 // 32-bit immediate using movw + movt.
1957 // This is a single pseudo instruction, the benefit is that it can be remat'd
1958 // as a single unit instead of having to handle reg inputs.
1959 // FIXME: Remove this when we can do generalized remat.
1960 let isReMaterializable = 1 in
1961 def MOVi32imm : AI1x2<(outs GPR:$dst), (ins i32imm:$src), Pseudo, IIC_iMOVi,
1962 "movw", "\t$dst, ${src:lo16}\n\tmovt${p}\t$dst, ${src:hi16}",
1963 [(set GPR:$dst, (i32 imm:$src))]>,
1964 Requires<[IsARM, HasV6T2]>;
1966 // ConstantPool, GlobalAddress, and JumpTable
1967 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>,
1968 Requires<[IsARM, DontUseMovt]>;
1969 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
1970 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
1971 Requires<[IsARM, UseMovt]>;
1972 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
1973 (LEApcrelJT tjumptable:$dst, imm:$id)>;
1975 // TODO: add,sub,and, 3-instr forms?
1979 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>,
1980 Requires<[IsARM, IsNotDarwin]>;
1981 def : ARMPat<(ARMcall texternalsym:$func), (BLr9 texternalsym:$func)>,
1982 Requires<[IsARM, IsDarwin]>;
1984 // zextload i1 -> zextload i8
1985 def : ARMPat<(zextloadi1 addrmode2:$addr), (LDRB addrmode2:$addr)>;
1987 // extload -> zextload
1988 def : ARMPat<(extloadi1 addrmode2:$addr), (LDRB addrmode2:$addr)>;
1989 def : ARMPat<(extloadi8 addrmode2:$addr), (LDRB addrmode2:$addr)>;
1990 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
1992 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
1993 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
1996 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
1997 (sra (shl GPR:$b, (i32 16)), (i32 16))),
1998 (SMULBB GPR:$a, GPR:$b)>;
1999 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
2000 (SMULBB GPR:$a, GPR:$b)>;
2001 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
2002 (sra GPR:$b, (i32 16))),
2003 (SMULBT GPR:$a, GPR:$b)>;
2004 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
2005 (SMULBT GPR:$a, GPR:$b)>;
2006 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
2007 (sra (shl GPR:$b, (i32 16)), (i32 16))),
2008 (SMULTB GPR:$a, GPR:$b)>;
2009 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
2010 (SMULTB GPR:$a, GPR:$b)>;
2011 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
2013 (SMULWB GPR:$a, GPR:$b)>;
2014 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
2015 (SMULWB GPR:$a, GPR:$b)>;
2017 def : ARMV5TEPat<(add GPR:$acc,
2018 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
2019 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
2020 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
2021 def : ARMV5TEPat<(add GPR:$acc,
2022 (mul sext_16_node:$a, sext_16_node:$b)),
2023 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
2024 def : ARMV5TEPat<(add GPR:$acc,
2025 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
2026 (sra GPR:$b, (i32 16)))),
2027 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
2028 def : ARMV5TEPat<(add GPR:$acc,
2029 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
2030 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
2031 def : ARMV5TEPat<(add GPR:$acc,
2032 (mul (sra GPR:$a, (i32 16)),
2033 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
2034 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
2035 def : ARMV5TEPat<(add GPR:$acc,
2036 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
2037 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
2038 def : ARMV5TEPat<(add GPR:$acc,
2039 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
2041 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
2042 def : ARMV5TEPat<(add GPR:$acc,
2043 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
2044 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
2046 //===----------------------------------------------------------------------===//
2050 include "ARMInstrThumb.td"
2052 //===----------------------------------------------------------------------===//
2056 include "ARMInstrThumb2.td"
2058 //===----------------------------------------------------------------------===//
2059 // Floating Point Support
2062 include "ARMInstrVFP.td"
2064 //===----------------------------------------------------------------------===//
2065 // Advanced SIMD (NEON) Support
2068 include "ARMInstrNEON.td"
2070 //===----------------------------------------------------------------------===//
2071 // Coprocessor Instructions. For disassembly only.
2074 def CDP : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2075 nohash_imm:$CRd, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2076 NoItinerary, "cdp", "\tp$cop, $opc1, cr$CRd, cr$CRn, cr$CRm, $opc2",
2077 [/* For disassembly only; pattern left blank */]> {
2081 def CDP2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2082 nohash_imm:$CRd, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2083 NoItinerary, "cdp2\tp$cop, $opc1, cr$CRd, cr$CRn, cr$CRm, $opc2",
2084 [/* For disassembly only; pattern left blank */]> {
2085 let Inst{31-28} = 0b1111;
2089 def MCR : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2090 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2091 NoItinerary, "mcr", "\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
2092 [/* For disassembly only; pattern left blank */]> {
2097 def MCR2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2098 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2099 NoItinerary, "mcr2\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
2100 [/* For disassembly only; pattern left blank */]> {
2101 let Inst{31-28} = 0b1111;
2106 def MRC : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2107 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2108 NoItinerary, "mrc", "\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
2109 [/* For disassembly only; pattern left blank */]> {
2114 def MRC2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2115 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2116 NoItinerary, "mrc2\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
2117 [/* For disassembly only; pattern left blank */]> {
2118 let Inst{31-28} = 0b1111;
2123 def MCRR : ABI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
2124 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
2125 NoItinerary, "mcrr", "\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
2126 [/* For disassembly only; pattern left blank */]> {
2127 let Inst{23-20} = 0b0100;
2130 def MCRR2 : ABXI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
2131 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
2132 NoItinerary, "mcrr2\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
2133 [/* For disassembly only; pattern left blank */]> {
2134 let Inst{31-28} = 0b1111;
2135 let Inst{23-20} = 0b0100;
2138 def MRRC : ABI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
2139 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
2140 NoItinerary, "mrrc", "\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
2141 [/* For disassembly only; pattern left blank */]> {
2142 let Inst{23-20} = 0b0101;
2145 def MRRC2 : ABXI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
2146 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
2147 NoItinerary, "mrrc2\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
2148 [/* For disassembly only; pattern left blank */]> {
2149 let Inst{31-28} = 0b1111;
2150 let Inst{23-20} = 0b0101;
2153 //===----------------------------------------------------------------------===//
2154 // Move between special register and ARM core register -- for disassembly only
2157 def MRS : ABI<0b0001,(outs GPR:$dst),(ins), NoItinerary, "mrs", "\t$dst, cpsr",
2158 [/* For disassembly only; pattern left blank */]> {
2159 let Inst{23-20} = 0b0000;
2160 let Inst{7-4} = 0b0000;
2163 def MRSsys : ABI<0b0001,(outs GPR:$dst),(ins), NoItinerary,"mrs","\t$dst, spsr",
2164 [/* For disassembly only; pattern left blank */]> {
2165 let Inst{23-20} = 0b0100;
2166 let Inst{7-4} = 0b0000;
2169 // FIXME: mask is ignored for the time being.
2170 def MSR : ABI<0b0001,(outs),(ins GPR:$src), NoItinerary, "mrs", "\tcpsr, $src",
2171 [/* For disassembly only; pattern left blank */]> {
2172 let Inst{23-20} = 0b0010;
2173 let Inst{7-4} = 0b0000;
2176 // FIXME: mask is ignored for the time being.
2177 def MSRsys : ABI<0b0001,(outs),(ins GPR:$src),NoItinerary,"mrs","\tspsr, $src",
2178 [/* For disassembly only; pattern left blank */]> {
2179 let Inst{23-20} = 0b0110;
2180 let Inst{7-4} = 0b0000;