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), MiscFrm, 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 def YIELD : AI<(outs), (ins), MiscFrm, NoItinerary, "yield", "",
616 [/* For disassembly only; pattern left blank */]>,
617 Requires<[IsARM, HasV6T2]> {
618 let Inst{27-16} = 0b001100100000;
619 let Inst{7-0} = 0b00000001;
622 def WFE : AI<(outs), (ins), MiscFrm, NoItinerary, "wfe", "",
623 [/* For disassembly only; pattern left blank */]>,
624 Requires<[IsARM, HasV6T2]> {
625 let Inst{27-16} = 0b001100100000;
626 let Inst{7-0} = 0b00000010;
629 def WFI : AI<(outs), (ins), MiscFrm, NoItinerary, "wfi", "",
630 [/* For disassembly only; pattern left blank */]>,
631 Requires<[IsARM, HasV6T2]> {
632 let Inst{27-16} = 0b001100100000;
633 let Inst{7-0} = 0b00000011;
636 def SEV : AI<(outs), (ins), MiscFrm, NoItinerary, "sev", "",
637 [/* For disassembly only; pattern left blank */]>,
638 Requires<[IsARM, HasV6T2]> {
639 let Inst{27-16} = 0b001100100000;
640 let Inst{7-0} = 0b00000100;
643 // The i32imm operand $val can be used by a debugger to store more information
644 // about the breakpoint.
645 def BKPT : AI<(outs), (ins i32imm:$val), MiscFrm, NoItinerary, "bkpt", "\t$val",
646 [/* For disassembly only; pattern left blank */]>,
648 let Inst{27-20} = 0b00010010;
649 let Inst{7-4} = 0b0111;
652 // Change Processor State is a system instruction -- for disassembly only.
653 // The singleton $opt operand contains the following information:
654 // opt{4-0} = mode from Inst{4-0}
655 // opt{5} = changemode from Inst{17}
656 // opt{8-6} = AIF from Inst{8-6}
657 // opt{10-9} = imod from Inst{19-18} with 0b10 as enable and 0b11 as disable
658 def CPS : AXI<(outs),(ins i32imm:$opt), MiscFrm, NoItinerary, "cps${opt:cps}",
659 [/* For disassembly only; pattern left blank */]>,
661 let Inst{31-28} = 0b1111;
662 let Inst{27-20} = 0b00010000;
667 def DBG : AI<(outs), (ins i32imm:$opt), MiscFrm, NoItinerary, "dbg", "\t$opt",
668 [/* For disassembly only; pattern left blank */]>,
669 Requires<[IsARM, HasV7]> {
670 let Inst{27-16} = 0b001100100000;
671 let Inst{7-4} = 0b1111;
674 // A5.4 Permanently UNDEFINED instructions.
675 def TRAP : AI<(outs), (ins), MiscFrm, NoItinerary, "trap", "",
676 [/* For disassembly only; pattern left blank */]>,
678 let Inst{27-25} = 0b011;
679 let Inst{24-20} = 0b11111;
680 let Inst{7-5} = 0b111;
684 // Address computation and loads and stores in PIC mode.
685 let isNotDuplicable = 1 in {
686 def PICADD : AXI1<0b0100, (outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
687 Pseudo, IIC_iALUr, "\n$cp:\n\tadd$p\t$dst, pc, $a",
688 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
690 let AddedComplexity = 10 in {
691 def PICLDR : AXI2ldw<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
692 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldr$p\t$dst, $addr",
693 [(set GPR:$dst, (load addrmodepc:$addr))]>;
695 def PICLDRH : AXI3ldh<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
696 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldrh${p}\t$dst, $addr",
697 [(set GPR:$dst, (zextloadi16 addrmodepc:$addr))]>;
699 def PICLDRB : AXI2ldb<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
700 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldrb${p}\t$dst, $addr",
701 [(set GPR:$dst, (zextloadi8 addrmodepc:$addr))]>;
703 def PICLDRSH : AXI3ldsh<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
704 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldrsh${p}\t$dst, $addr",
705 [(set GPR:$dst, (sextloadi16 addrmodepc:$addr))]>;
707 def PICLDRSB : AXI3ldsb<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
708 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldrsb${p}\t$dst, $addr",
709 [(set GPR:$dst, (sextloadi8 addrmodepc:$addr))]>;
711 let AddedComplexity = 10 in {
712 def PICSTR : AXI2stw<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
713 Pseudo, IIC_iStorer, "\n${addr:label}:\n\tstr$p\t$src, $addr",
714 [(store GPR:$src, addrmodepc:$addr)]>;
716 def PICSTRH : AXI3sth<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
717 Pseudo, IIC_iStorer, "\n${addr:label}:\n\tstrh${p}\t$src, $addr",
718 [(truncstorei16 GPR:$src, addrmodepc:$addr)]>;
720 def PICSTRB : AXI2stb<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
721 Pseudo, IIC_iStorer, "\n${addr:label}:\n\tstrb${p}\t$src, $addr",
722 [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
724 } // isNotDuplicable = 1
727 // LEApcrel - Load a pc-relative address into a register without offending the
729 def LEApcrel : AXI1<0x0, (outs GPR:$dst), (ins i32imm:$label, pred:$p),
731 !strconcat(!strconcat(".set ${:private}PCRELV${:uid}, ($label-(",
732 "${:private}PCRELL${:uid}+8))\n"),
733 !strconcat("${:private}PCRELL${:uid}:\n\t",
734 "add$p\t$dst, pc, #${:private}PCRELV${:uid}")),
737 def LEApcrelJT : AXI1<0x0, (outs GPR:$dst),
738 (ins i32imm:$label, nohash_imm:$id, pred:$p),
740 !strconcat(!strconcat(".set ${:private}PCRELV${:uid}, "
742 "${:private}PCRELL${:uid}+8))\n"),
743 !strconcat("${:private}PCRELL${:uid}:\n\t",
744 "add$p\t$dst, pc, #${:private}PCRELV${:uid}")),
749 //===----------------------------------------------------------------------===//
750 // Control Flow Instructions.
753 let isReturn = 1, isTerminator = 1, isBarrier = 1 in
754 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
755 "bx", "\tlr", [(ARMretflag)]> {
756 let Inst{3-0} = 0b1110;
757 let Inst{7-4} = 0b0001;
758 let Inst{19-8} = 0b111111111111;
759 let Inst{27-20} = 0b00010010;
763 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
764 def BRIND : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
765 [(brind GPR:$dst)]> {
766 let Inst{7-4} = 0b0001;
767 let Inst{19-8} = 0b111111111111;
768 let Inst{27-20} = 0b00010010;
769 let Inst{31-28} = 0b1110;
773 // FIXME: remove when we have a way to marking a MI with these properties.
774 // FIXME: Should pc be an implicit operand like PICADD, etc?
775 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
776 hasExtraDefRegAllocReq = 1 in
777 def LDM_RET : AXI4ld<(outs),
778 (ins addrmode4:$addr, pred:$p, reglist:$wb, variable_ops),
779 LdStMulFrm, IIC_Br, "ldm${addr:submode}${p}\t$addr, $wb",
782 // On non-Darwin platforms R9 is callee-saved.
784 Defs = [R0, R1, R2, R3, R12, LR,
785 D0, D1, D2, D3, D4, D5, D6, D7,
786 D16, D17, D18, D19, D20, D21, D22, D23,
787 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR] in {
788 def BL : ABXI<0b1011, (outs), (ins i32imm:$func, variable_ops),
789 IIC_Br, "bl\t${func:call}",
790 [(ARMcall tglobaladdr:$func)]>,
791 Requires<[IsARM, IsNotDarwin]> {
792 let Inst{31-28} = 0b1110;
795 def BL_pred : ABI<0b1011, (outs), (ins i32imm:$func, variable_ops),
796 IIC_Br, "bl", "\t${func:call}",
797 [(ARMcall_pred tglobaladdr:$func)]>,
798 Requires<[IsARM, IsNotDarwin]>;
801 def BLX : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
802 IIC_Br, "blx\t$func",
803 [(ARMcall GPR:$func)]>,
804 Requires<[IsARM, HasV5T, IsNotDarwin]> {
805 let Inst{7-4} = 0b0011;
806 let Inst{19-8} = 0b111111111111;
807 let Inst{27-20} = 0b00010010;
811 def BX : ABXIx2<(outs), (ins GPR:$func, variable_ops),
812 IIC_Br, "mov\tlr, pc\n\tbx\t$func",
813 [(ARMcall_nolink GPR:$func)]>,
814 Requires<[IsARM, IsNotDarwin]> {
815 let Inst{7-4} = 0b0001;
816 let Inst{19-8} = 0b111111111111;
817 let Inst{27-20} = 0b00010010;
821 // On Darwin R9 is call-clobbered.
823 Defs = [R0, R1, R2, R3, R9, R12, LR,
824 D0, D1, D2, D3, D4, D5, D6, D7,
825 D16, D17, D18, D19, D20, D21, D22, D23,
826 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR] in {
827 def BLr9 : ABXI<0b1011, (outs), (ins i32imm:$func, variable_ops),
828 IIC_Br, "bl\t${func:call}",
829 [(ARMcall tglobaladdr:$func)]>, Requires<[IsARM, IsDarwin]> {
830 let Inst{31-28} = 0b1110;
833 def BLr9_pred : ABI<0b1011, (outs), (ins i32imm:$func, variable_ops),
834 IIC_Br, "bl", "\t${func:call}",
835 [(ARMcall_pred tglobaladdr:$func)]>,
836 Requires<[IsARM, IsDarwin]>;
839 def BLXr9 : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
840 IIC_Br, "blx\t$func",
841 [(ARMcall GPR:$func)]>, Requires<[IsARM, HasV5T, IsDarwin]> {
842 let Inst{7-4} = 0b0011;
843 let Inst{19-8} = 0b111111111111;
844 let Inst{27-20} = 0b00010010;
848 def BXr9 : ABXIx2<(outs), (ins GPR:$func, variable_ops),
849 IIC_Br, "mov\tlr, pc\n\tbx\t$func",
850 [(ARMcall_nolink GPR:$func)]>, Requires<[IsARM, IsDarwin]> {
851 let Inst{7-4} = 0b0001;
852 let Inst{19-8} = 0b111111111111;
853 let Inst{27-20} = 0b00010010;
857 let isBranch = 1, isTerminator = 1 in {
858 // B is "predicable" since it can be xformed into a Bcc.
859 let isBarrier = 1 in {
860 let isPredicable = 1 in
861 def B : ABXI<0b1010, (outs), (ins brtarget:$target), IIC_Br,
862 "b\t$target", [(br bb:$target)]>;
864 let isNotDuplicable = 1, isIndirectBranch = 1 in {
865 def BR_JTr : JTI<(outs), (ins GPR:$target, jtblock_operand:$jt, i32imm:$id),
866 IIC_Br, "mov\tpc, $target \n$jt",
867 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]> {
868 let Inst{11-4} = 0b00000000;
869 let Inst{15-12} = 0b1111;
870 let Inst{20} = 0; // S Bit
871 let Inst{24-21} = 0b1101;
872 let Inst{27-25} = 0b000;
874 def BR_JTm : JTI<(outs),
875 (ins addrmode2:$target, jtblock_operand:$jt, i32imm:$id),
876 IIC_Br, "ldr\tpc, $target \n$jt",
877 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
879 let Inst{15-12} = 0b1111;
880 let Inst{20} = 1; // L bit
881 let Inst{21} = 0; // W bit
882 let Inst{22} = 0; // B bit
883 let Inst{24} = 1; // P bit
884 let Inst{27-25} = 0b011;
886 def BR_JTadd : JTI<(outs),
887 (ins GPR:$target, GPR:$idx, jtblock_operand:$jt, i32imm:$id),
888 IIC_Br, "add\tpc, $target, $idx \n$jt",
889 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
891 let Inst{15-12} = 0b1111;
892 let Inst{20} = 0; // S bit
893 let Inst{24-21} = 0b0100;
894 let Inst{27-25} = 0b000;
896 } // isNotDuplicable = 1, isIndirectBranch = 1
899 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
900 // a two-value operand where a dag node expects two operands. :(
901 def Bcc : ABI<0b1010, (outs), (ins brtarget:$target),
902 IIC_Br, "b", "\t$target",
903 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]>;
906 // Supervisor call (software interrupt) -- for disassembly only
908 def SVC : ABI<0b1111, (outs), (ins i32imm:$svc), IIC_Br, "svc", "\t$svc",
909 [/* For disassembly only; pattern left blank */]>;
912 //===----------------------------------------------------------------------===//
913 // Load / store Instructions.
917 let canFoldAsLoad = 1, isReMaterializable = 1, mayHaveSideEffects = 1 in
918 def LDR : AI2ldw<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm, IIC_iLoadr,
919 "ldr", "\t$dst, $addr",
920 [(set GPR:$dst, (load addrmode2:$addr))]>;
922 // Special LDR for loads from non-pc-relative constpools.
923 let canFoldAsLoad = 1, mayLoad = 1, isReMaterializable = 1,
924 mayHaveSideEffects = 1 in
925 def LDRcp : AI2ldw<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm, IIC_iLoadr,
926 "ldr", "\t$dst, $addr", []>;
928 // Loads with zero extension
929 def LDRH : AI3ldh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
930 IIC_iLoadr, "ldrh", "\t$dst, $addr",
931 [(set GPR:$dst, (zextloadi16 addrmode3:$addr))]>;
933 def LDRB : AI2ldb<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm,
934 IIC_iLoadr, "ldrb", "\t$dst, $addr",
935 [(set GPR:$dst, (zextloadi8 addrmode2:$addr))]>;
937 // Loads with sign extension
938 def LDRSH : AI3ldsh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
939 IIC_iLoadr, "ldrsh", "\t$dst, $addr",
940 [(set GPR:$dst, (sextloadi16 addrmode3:$addr))]>;
942 def LDRSB : AI3ldsb<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
943 IIC_iLoadr, "ldrsb", "\t$dst, $addr",
944 [(set GPR:$dst, (sextloadi8 addrmode3:$addr))]>;
946 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in {
948 def LDRD : AI3ldd<(outs GPR:$dst1, GPR:$dst2), (ins addrmode3:$addr), LdMiscFrm,
949 IIC_iLoadr, "ldrd", "\t$dst1, $addr",
950 []>, Requires<[IsARM, HasV5TE]>;
953 def LDR_PRE : AI2ldwpr<(outs GPR:$dst, GPR:$base_wb),
954 (ins addrmode2:$addr), LdFrm, IIC_iLoadru,
955 "ldr", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
957 def LDR_POST : AI2ldwpo<(outs GPR:$dst, GPR:$base_wb),
958 (ins GPR:$base, am2offset:$offset), LdFrm, IIC_iLoadru,
959 "ldr", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
961 def LDRH_PRE : AI3ldhpr<(outs GPR:$dst, GPR:$base_wb),
962 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadru,
963 "ldrh", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
965 def LDRH_POST : AI3ldhpo<(outs GPR:$dst, GPR:$base_wb),
966 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
967 "ldrh", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
969 def LDRB_PRE : AI2ldbpr<(outs GPR:$dst, GPR:$base_wb),
970 (ins addrmode2:$addr), LdFrm, IIC_iLoadru,
971 "ldrb", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
973 def LDRB_POST : AI2ldbpo<(outs GPR:$dst, GPR:$base_wb),
974 (ins GPR:$base,am2offset:$offset), LdFrm, IIC_iLoadru,
975 "ldrb", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
977 def LDRSH_PRE : AI3ldshpr<(outs GPR:$dst, GPR:$base_wb),
978 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadru,
979 "ldrsh", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
981 def LDRSH_POST: AI3ldshpo<(outs GPR:$dst, GPR:$base_wb),
982 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
983 "ldrsh", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
985 def LDRSB_PRE : AI3ldsbpr<(outs GPR:$dst, GPR:$base_wb),
986 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadru,
987 "ldrsb", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
989 def LDRSB_POST: AI3ldsbpo<(outs GPR:$dst, GPR:$base_wb),
990 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
991 "ldrsb", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
994 // LDRT and LDRBT are for disassembly only.
996 def LDRT : AI2ldwpo<(outs GPR:$dst, GPR:$base_wb),
997 (ins GPR:$base, am2offset:$offset), LdFrm, IIC_iLoadru,
998 "ldrt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
999 let Inst{21} = 1; // overwrite
1002 def LDRBT : AI2ldbpo<(outs GPR:$dst, GPR:$base_wb),
1003 (ins GPR:$base,am2offset:$offset), LdFrm, IIC_iLoadru,
1004 "ldrb", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1005 let Inst{21} = 1; // overwrite
1009 def STR : AI2stw<(outs), (ins GPR:$src, addrmode2:$addr), StFrm, IIC_iStorer,
1010 "str", "\t$src, $addr",
1011 [(store GPR:$src, addrmode2:$addr)]>;
1013 // Stores with truncate
1014 def STRH : AI3sth<(outs), (ins GPR:$src, addrmode3:$addr), StMiscFrm, IIC_iStorer,
1015 "strh", "\t$src, $addr",
1016 [(truncstorei16 GPR:$src, addrmode3:$addr)]>;
1018 def STRB : AI2stb<(outs), (ins GPR:$src, addrmode2:$addr), StFrm, IIC_iStorer,
1019 "strb", "\t$src, $addr",
1020 [(truncstorei8 GPR:$src, addrmode2:$addr)]>;
1023 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
1024 def STRD : AI3std<(outs), (ins GPR:$src1, GPR:$src2, addrmode3:$addr),
1025 StMiscFrm, IIC_iStorer,
1026 "strd", "\t$src1, $addr", []>, Requires<[IsARM, HasV5TE]>;
1029 def STR_PRE : AI2stwpr<(outs GPR:$base_wb),
1030 (ins GPR:$src, GPR:$base, am2offset:$offset),
1031 StFrm, IIC_iStoreru,
1032 "str", "\t$src, [$base, $offset]!", "$base = $base_wb",
1034 (pre_store GPR:$src, GPR:$base, am2offset:$offset))]>;
1036 def STR_POST : AI2stwpo<(outs GPR:$base_wb),
1037 (ins GPR:$src, GPR:$base,am2offset:$offset),
1038 StFrm, IIC_iStoreru,
1039 "str", "\t$src, [$base], $offset", "$base = $base_wb",
1041 (post_store GPR:$src, GPR:$base, am2offset:$offset))]>;
1043 def STRH_PRE : AI3sthpr<(outs GPR:$base_wb),
1044 (ins GPR:$src, GPR:$base,am3offset:$offset),
1045 StMiscFrm, IIC_iStoreru,
1046 "strh", "\t$src, [$base, $offset]!", "$base = $base_wb",
1048 (pre_truncsti16 GPR:$src, GPR:$base,am3offset:$offset))]>;
1050 def STRH_POST: AI3sthpo<(outs GPR:$base_wb),
1051 (ins GPR:$src, GPR:$base,am3offset:$offset),
1052 StMiscFrm, IIC_iStoreru,
1053 "strh", "\t$src, [$base], $offset", "$base = $base_wb",
1054 [(set GPR:$base_wb, (post_truncsti16 GPR:$src,
1055 GPR:$base, am3offset:$offset))]>;
1057 def STRB_PRE : AI2stbpr<(outs GPR:$base_wb),
1058 (ins GPR:$src, GPR:$base,am2offset:$offset),
1059 StFrm, IIC_iStoreru,
1060 "strb", "\t$src, [$base, $offset]!", "$base = $base_wb",
1061 [(set GPR:$base_wb, (pre_truncsti8 GPR:$src,
1062 GPR:$base, am2offset:$offset))]>;
1064 def STRB_POST: AI2stbpo<(outs GPR:$base_wb),
1065 (ins GPR:$src, GPR:$base,am2offset:$offset),
1066 StFrm, IIC_iStoreru,
1067 "strb", "\t$src, [$base], $offset", "$base = $base_wb",
1068 [(set GPR:$base_wb, (post_truncsti8 GPR:$src,
1069 GPR:$base, am2offset:$offset))]>;
1071 // STRT and STRBT are for disassembly only.
1073 def STRT : AI2stwpo<(outs GPR:$base_wb),
1074 (ins GPR:$src, GPR:$base,am2offset:$offset),
1075 StFrm, IIC_iStoreru,
1076 "strt", "\t$src, [$base], $offset", "$base = $base_wb",
1077 [/* For disassembly only; pattern left blank */]> {
1078 let Inst{21} = 1; // overwrite
1081 def STRBT : AI2stbpo<(outs GPR:$base_wb),
1082 (ins GPR:$src, GPR:$base,am2offset:$offset),
1083 StFrm, IIC_iStoreru,
1084 "strbt", "\t$src, [$base], $offset", "$base = $base_wb",
1085 [/* For disassembly only; pattern left blank */]> {
1086 let Inst{21} = 1; // overwrite
1089 //===----------------------------------------------------------------------===//
1090 // Load / store multiple Instructions.
1093 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
1094 def LDM : AXI4ld<(outs),
1095 (ins addrmode4:$addr, pred:$p, reglist:$wb, variable_ops),
1096 LdStMulFrm, IIC_iLoadm, "ldm${addr:submode}${p}\t$addr, $wb",
1099 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
1100 def STM : AXI4st<(outs),
1101 (ins addrmode4:$addr, pred:$p, reglist:$wb, variable_ops),
1102 LdStMulFrm, IIC_iStorem, "stm${addr:submode}${p}\t$addr, $wb",
1105 //===----------------------------------------------------------------------===//
1106 // Move Instructions.
1109 let neverHasSideEffects = 1 in
1110 def MOVr : AsI1<0b1101, (outs GPR:$dst), (ins GPR:$src), DPFrm, IIC_iMOVr,
1111 "mov", "\t$dst, $src", []>, UnaryDP {
1112 let Inst{11-4} = 0b00000000;
1116 def MOVs : AsI1<0b1101, (outs GPR:$dst), (ins so_reg:$src),
1117 DPSoRegFrm, IIC_iMOVsr,
1118 "mov", "\t$dst, $src", [(set GPR:$dst, so_reg:$src)]>, UnaryDP {
1122 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
1123 def MOVi : AsI1<0b1101, (outs GPR:$dst), (ins so_imm:$src), DPFrm, IIC_iMOVi,
1124 "mov", "\t$dst, $src", [(set GPR:$dst, so_imm:$src)]>, UnaryDP {
1128 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
1129 def MOVi16 : AI1<0b1000, (outs GPR:$dst), (ins i32imm:$src),
1131 "movw", "\t$dst, $src",
1132 [(set GPR:$dst, imm0_65535:$src)]>,
1133 Requires<[IsARM, HasV6T2]>, UnaryDP {
1138 let Constraints = "$src = $dst" in
1139 def MOVTi16 : AI1<0b1010, (outs GPR:$dst), (ins GPR:$src, i32imm:$imm),
1141 "movt", "\t$dst, $imm",
1143 (or (and GPR:$src, 0xffff),
1144 lo16AllZero:$imm))]>, UnaryDP,
1145 Requires<[IsARM, HasV6T2]> {
1150 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
1151 Requires<[IsARM, HasV6T2]>;
1153 let Uses = [CPSR] in
1154 def MOVrx : AsI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo, IIC_iMOVsi,
1155 "mov", "\t$dst, $src, rrx",
1156 [(set GPR:$dst, (ARMrrx GPR:$src))]>, UnaryDP;
1158 // These aren't really mov instructions, but we have to define them this way
1159 // due to flag operands.
1161 let Defs = [CPSR] in {
1162 def MOVsrl_flag : AI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo,
1163 IIC_iMOVsi, "movs", "\t$dst, $src, lsr #1",
1164 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP;
1165 def MOVsra_flag : AI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo,
1166 IIC_iMOVsi, "movs", "\t$dst, $src, asr #1",
1167 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP;
1170 //===----------------------------------------------------------------------===//
1171 // Extend Instructions.
1176 defm SXTB : AI_unary_rrot<0b01101010,
1177 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
1178 defm SXTH : AI_unary_rrot<0b01101011,
1179 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
1181 defm SXTAB : AI_bin_rrot<0b01101010,
1182 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
1183 defm SXTAH : AI_bin_rrot<0b01101011,
1184 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
1186 // TODO: SXT(A){B|H}16
1190 let AddedComplexity = 16 in {
1191 defm UXTB : AI_unary_rrot<0b01101110,
1192 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
1193 defm UXTH : AI_unary_rrot<0b01101111,
1194 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
1195 defm UXTB16 : AI_unary_rrot<0b01101100,
1196 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
1198 def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
1199 (UXTB16r_rot GPR:$Src, 24)>;
1200 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
1201 (UXTB16r_rot GPR:$Src, 8)>;
1203 defm UXTAB : AI_bin_rrot<0b01101110, "uxtab",
1204 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
1205 defm UXTAH : AI_bin_rrot<0b01101111, "uxtah",
1206 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
1209 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
1210 //defm UXTAB16 : xxx<"uxtab16", 0xff00ff>;
1212 // TODO: UXT(A){B|H}16
1214 def SBFX : I<(outs GPR:$dst),
1215 (ins GPR:$src, imm0_31:$lsb, imm0_31:$width),
1216 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iALUi,
1217 "sbfx", "\t$dst, $src, $lsb, $width", "", []>,
1218 Requires<[IsARM, HasV6T2]> {
1219 let Inst{27-21} = 0b0111101;
1220 let Inst{6-4} = 0b101;
1223 def UBFX : I<(outs GPR:$dst),
1224 (ins GPR:$src, imm0_31:$lsb, imm0_31:$width),
1225 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iALUi,
1226 "ubfx", "\t$dst, $src, $lsb, $width", "", []>,
1227 Requires<[IsARM, HasV6T2]> {
1228 let Inst{27-21} = 0b0111111;
1229 let Inst{6-4} = 0b101;
1232 //===----------------------------------------------------------------------===//
1233 // Arithmetic Instructions.
1236 defm ADD : AsI1_bin_irs<0b0100, "add",
1237 BinOpFrag<(add node:$LHS, node:$RHS)>, 1>;
1238 defm SUB : AsI1_bin_irs<0b0010, "sub",
1239 BinOpFrag<(sub node:$LHS, node:$RHS)>>;
1241 // ADD and SUB with 's' bit set.
1242 defm ADDS : AI1_bin_s_irs<0b0100, "adds",
1243 BinOpFrag<(addc node:$LHS, node:$RHS)>, 1>;
1244 defm SUBS : AI1_bin_s_irs<0b0010, "subs",
1245 BinOpFrag<(subc node:$LHS, node:$RHS)>>;
1247 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
1248 BinOpFrag<(adde node:$LHS, node:$RHS)>, 1>;
1249 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
1250 BinOpFrag<(sube node:$LHS, node:$RHS)>>;
1251 defm ADCS : AI1_adde_sube_s_irs<0b0101, "adcs",
1252 BinOpFrag<(adde node:$LHS, node:$RHS)>, 1>;
1253 defm SBCS : AI1_adde_sube_s_irs<0b0110, "sbcs",
1254 BinOpFrag<(sube node:$LHS, node:$RHS)>>;
1256 // These don't define reg/reg forms, because they are handled above.
1257 def RSBri : AsI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
1258 IIC_iALUi, "rsb", "\t$dst, $a, $b",
1259 [(set GPR:$dst, (sub so_imm:$b, GPR:$a))]> {
1263 def RSBrs : AsI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
1264 IIC_iALUsr, "rsb", "\t$dst, $a, $b",
1265 [(set GPR:$dst, (sub so_reg:$b, GPR:$a))]> {
1269 // RSB with 's' bit set.
1270 let Defs = [CPSR] in {
1271 def RSBSri : AI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
1272 IIC_iALUi, "rsbs", "\t$dst, $a, $b",
1273 [(set GPR:$dst, (subc so_imm:$b, GPR:$a))]> {
1277 def RSBSrs : AI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
1278 IIC_iALUsr, "rsbs", "\t$dst, $a, $b",
1279 [(set GPR:$dst, (subc so_reg:$b, GPR:$a))]> {
1285 let Uses = [CPSR] in {
1286 def RSCri : AsI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
1287 DPFrm, IIC_iALUi, "rsc", "\t$dst, $a, $b",
1288 [(set GPR:$dst, (sube so_imm:$b, GPR:$a))]>,
1289 Requires<[IsARM, CarryDefIsUnused]> {
1292 def RSCrs : AsI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
1293 DPSoRegFrm, IIC_iALUsr, "rsc", "\t$dst, $a, $b",
1294 [(set GPR:$dst, (sube so_reg:$b, GPR:$a))]>,
1295 Requires<[IsARM, CarryDefIsUnused]> {
1300 // FIXME: Allow these to be predicated.
1301 let Defs = [CPSR], Uses = [CPSR] in {
1302 def RSCSri : AXI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
1303 DPFrm, IIC_iALUi, "rscs\t$dst, $a, $b",
1304 [(set GPR:$dst, (sube so_imm:$b, GPR:$a))]>,
1305 Requires<[IsARM, CarryDefIsUnused]> {
1309 def RSCSrs : AXI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
1310 DPSoRegFrm, IIC_iALUsr, "rscs\t$dst, $a, $b",
1311 [(set GPR:$dst, (sube so_reg:$b, GPR:$a))]>,
1312 Requires<[IsARM, CarryDefIsUnused]> {
1318 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
1319 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
1320 (SUBri GPR:$src, so_imm_neg:$imm)>;
1322 //def : ARMPat<(addc GPR:$src, so_imm_neg:$imm),
1323 // (SUBSri GPR:$src, so_imm_neg:$imm)>;
1324 //def : ARMPat<(adde GPR:$src, so_imm_neg:$imm),
1325 // (SBCri GPR:$src, so_imm_neg:$imm)>;
1327 // Note: These are implemented in C++ code, because they have to generate
1328 // ADD/SUBrs instructions, which use a complex pattern that a xform function
1330 // (mul X, 2^n+1) -> (add (X << n), X)
1331 // (mul X, 2^n-1) -> (rsb X, (X << n))
1333 // Saturating adds/subtracts -- for disassembly only
1335 class AQI<bits<8> op27_20, bits<4> op7_4, dag oops, dag iops, Format f,
1336 InstrItinClass itin, string opc, string asm, list<dag> pattern>
1337 : AI<oops, iops, f, itin, opc, asm, pattern> {
1338 let Inst{27-20} = op27_20;
1339 let Inst{7-4} = op7_4;
1342 def QADD : AQI<0b00010000, 0b0101, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
1343 IIC_iALUr, "qadd", "\t$dst, $a, $b",
1344 [/* For disassembly only; pattern left blank */]>;
1346 def QADD16 : AQI<0b01100010, 0b0001,(outs GPR:$dst),(ins GPR:$a, GPR:$b), DPFrm,
1347 IIC_iALUr, "qadd16", "\t$dst, $a, $b",
1348 [/* For disassembly only; pattern left blank */]>;
1350 def QADD8 : AQI<0b01100010, 0b1001, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
1351 IIC_iALUr, "qadd8", "\t$dst, $a, $b",
1352 [/* For disassembly only; pattern left blank */]>;
1354 def QASX : AQI<0b01100010, 0b0011, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
1355 IIC_iALUr, "qasx", "\t$dst, $a, $b",
1356 [/* For disassembly only; pattern left blank */]>;
1358 def QDADD : AQI<0b00010100, 0b0101,(outs GPR:$dst),(ins GPR:$a, GPR:$b), DPFrm,
1359 IIC_iALUr, "qdadd", "\t$dst, $a, $b",
1360 [/* For disassembly only; pattern left blank */]>;
1362 def QDSUB : AQI<0b00010110, 0b0101,(outs GPR:$dst),(ins GPR:$a, GPR:$b), DPFrm,
1363 IIC_iALUr, "qdsub", "\t$dst, $a, $b",
1364 [/* For disassembly only; pattern left blank */]>;
1366 def QSAX : AQI<0b01100010, 0b0101, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
1367 IIC_iALUr, "qsax", "\t$dst, $a, $b",
1368 [/* For disassembly only; pattern left blank */]>;
1370 def QSUB : AQI<0b00010010, 0b0101, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
1371 IIC_iALUr, "qsub", "\t$dst, $a, $b",
1372 [/* For disassembly only; pattern left blank */]>;
1374 def QSUB16 : AQI<0b01100010, 0b0111,(outs GPR:$dst),(ins GPR:$a, GPR:$b), DPFrm,
1375 IIC_iALUr, "qsub16", "\t$dst, $a, $b",
1376 [/* For disassembly only; pattern left blank */]>;
1378 def QSUB8 : AQI<0b01100010, 0b1111,(outs GPR:$dst),(ins GPR:$a, GPR:$b), DPFrm,
1379 IIC_iALUr, "qsub8", "\t$dst, $a, $b",
1380 [/* For disassembly only; pattern left blank */]>;
1382 def UQADD16 : AQI<0b01100110, 0b0001,(outs GPR:$dst),(ins GPR:$a, GPR:$b),DPFrm,
1383 IIC_iALUr, "uqadd16", "\t$dst, $a, $b",
1384 [/* For disassembly only; pattern left blank */]>;
1386 def UQADD8 : AQI<0b01100110, 0b1001,(outs GPR:$dst),(ins GPR:$a, GPR:$b), DPFrm,
1387 IIC_iALUr, "uqadd8", "\t$dst, $a, $b",
1388 [/* For disassembly only; pattern left blank */]>;
1390 def UQASX : AQI<0b01100110, 0b0011, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
1391 IIC_iALUr, "uqasx", "\t$dst, $a, $b",
1392 [/* For disassembly only; pattern left blank */]>;
1394 def UQSAX : AQI<0b01100110, 0b0101, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
1395 IIC_iALUr, "uqsax", "\t$dst, $a, $b",
1396 [/* For disassembly only; pattern left blank */]>;
1398 def UQSUB16 : AQI<0b01100110, 0b0111,(outs GPR:$dst),(ins GPR:$a, GPR:$b),DPFrm,
1399 IIC_iALUr, "uqsub16", "\t$dst, $a, $b",
1400 [/* For disassembly only; pattern left blank */]>;
1402 def UQSUB8 : AQI<0b01100110, 0b1111,(outs GPR:$dst),(ins GPR:$a, GPR:$b), DPFrm,
1403 IIC_iALUr, "uqsub8", "\t$dst, $a, $b",
1404 [/* For disassembly only; pattern left blank */]>;
1406 //===----------------------------------------------------------------------===//
1407 // Bitwise Instructions.
1410 defm AND : AsI1_bin_irs<0b0000, "and",
1411 BinOpFrag<(and node:$LHS, node:$RHS)>, 1>;
1412 defm ORR : AsI1_bin_irs<0b1100, "orr",
1413 BinOpFrag<(or node:$LHS, node:$RHS)>, 1>;
1414 defm EOR : AsI1_bin_irs<0b0001, "eor",
1415 BinOpFrag<(xor node:$LHS, node:$RHS)>, 1>;
1416 defm BIC : AsI1_bin_irs<0b1110, "bic",
1417 BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
1419 def BFC : I<(outs GPR:$dst), (ins GPR:$src, bf_inv_mask_imm:$imm),
1420 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
1421 "bfc", "\t$dst, $imm", "$src = $dst",
1422 [(set GPR:$dst, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
1423 Requires<[IsARM, HasV6T2]> {
1424 let Inst{27-21} = 0b0111110;
1425 let Inst{6-0} = 0b0011111;
1428 def MVNr : AsI1<0b1111, (outs GPR:$dst), (ins GPR:$src), DPFrm, IIC_iMOVr,
1429 "mvn", "\t$dst, $src",
1430 [(set GPR:$dst, (not GPR:$src))]>, UnaryDP {
1432 let Inst{11-4} = 0b00000000;
1434 def MVNs : AsI1<0b1111, (outs GPR:$dst), (ins so_reg:$src), DPSoRegFrm,
1435 IIC_iMOVsr, "mvn", "\t$dst, $src",
1436 [(set GPR:$dst, (not so_reg:$src))]>, UnaryDP {
1439 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
1440 def MVNi : AsI1<0b1111, (outs GPR:$dst), (ins so_imm:$imm), DPFrm,
1441 IIC_iMOVi, "mvn", "\t$dst, $imm",
1442 [(set GPR:$dst, so_imm_not:$imm)]>,UnaryDP {
1446 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
1447 (BICri GPR:$src, so_imm_not:$imm)>;
1449 //===----------------------------------------------------------------------===//
1450 // Multiply Instructions.
1453 let isCommutable = 1 in
1454 def MUL : AsMul1I<0b0000000, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1455 IIC_iMUL32, "mul", "\t$dst, $a, $b",
1456 [(set GPR:$dst, (mul GPR:$a, GPR:$b))]>;
1458 def MLA : AsMul1I<0b0000001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1459 IIC_iMAC32, "mla", "\t$dst, $a, $b, $c",
1460 [(set GPR:$dst, (add (mul GPR:$a, GPR:$b), GPR:$c))]>;
1462 def MLS : AMul1I<0b0000011, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1463 IIC_iMAC32, "mls", "\t$dst, $a, $b, $c",
1464 [(set GPR:$dst, (sub GPR:$c, (mul GPR:$a, GPR:$b)))]>,
1465 Requires<[IsARM, HasV6T2]>;
1467 // Extra precision multiplies with low / high results
1468 let neverHasSideEffects = 1 in {
1469 let isCommutable = 1 in {
1470 def SMULL : AsMul1I<0b0000110, (outs GPR:$ldst, GPR:$hdst),
1471 (ins GPR:$a, GPR:$b), IIC_iMUL64,
1472 "smull", "\t$ldst, $hdst, $a, $b", []>;
1474 def UMULL : AsMul1I<0b0000100, (outs GPR:$ldst, GPR:$hdst),
1475 (ins GPR:$a, GPR:$b), IIC_iMUL64,
1476 "umull", "\t$ldst, $hdst, $a, $b", []>;
1479 // Multiply + accumulate
1480 def SMLAL : AsMul1I<0b0000111, (outs GPR:$ldst, GPR:$hdst),
1481 (ins GPR:$a, GPR:$b), IIC_iMAC64,
1482 "smlal", "\t$ldst, $hdst, $a, $b", []>;
1484 def UMLAL : AsMul1I<0b0000101, (outs GPR:$ldst, GPR:$hdst),
1485 (ins GPR:$a, GPR:$b), IIC_iMAC64,
1486 "umlal", "\t$ldst, $hdst, $a, $b", []>;
1488 def UMAAL : AMul1I <0b0000010, (outs GPR:$ldst, GPR:$hdst),
1489 (ins GPR:$a, GPR:$b), IIC_iMAC64,
1490 "umaal", "\t$ldst, $hdst, $a, $b", []>,
1491 Requires<[IsARM, HasV6]>;
1492 } // neverHasSideEffects
1494 // Most significant word multiply
1495 def SMMUL : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1496 IIC_iMUL32, "smmul", "\t$dst, $a, $b",
1497 [(set GPR:$dst, (mulhs GPR:$a, GPR:$b))]>,
1498 Requires<[IsARM, HasV6]> {
1499 let Inst{7-4} = 0b0001;
1500 let Inst{15-12} = 0b1111;
1503 def SMMLA : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1504 IIC_iMAC32, "smmla", "\t$dst, $a, $b, $c",
1505 [(set GPR:$dst, (add (mulhs GPR:$a, GPR:$b), GPR:$c))]>,
1506 Requires<[IsARM, HasV6]> {
1507 let Inst{7-4} = 0b0001;
1511 def SMMLS : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1512 IIC_iMAC32, "smmls", "\t$dst, $a, $b, $c",
1513 [(set GPR:$dst, (sub GPR:$c, (mulhs GPR:$a, GPR:$b)))]>,
1514 Requires<[IsARM, HasV6]> {
1515 let Inst{7-4} = 0b1101;
1518 multiclass AI_smul<string opc, PatFrag opnode> {
1519 def BB : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1520 IIC_iMUL32, !strconcat(opc, "bb"), "\t$dst, $a, $b",
1521 [(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16),
1522 (sext_inreg GPR:$b, i16)))]>,
1523 Requires<[IsARM, HasV5TE]> {
1528 def BT : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1529 IIC_iMUL32, !strconcat(opc, "bt"), "\t$dst, $a, $b",
1530 [(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16),
1531 (sra GPR:$b, (i32 16))))]>,
1532 Requires<[IsARM, HasV5TE]> {
1537 def TB : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1538 IIC_iMUL32, !strconcat(opc, "tb"), "\t$dst, $a, $b",
1539 [(set GPR:$dst, (opnode (sra GPR:$a, (i32 16)),
1540 (sext_inreg GPR:$b, i16)))]>,
1541 Requires<[IsARM, HasV5TE]> {
1546 def TT : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1547 IIC_iMUL32, !strconcat(opc, "tt"), "\t$dst, $a, $b",
1548 [(set GPR:$dst, (opnode (sra GPR:$a, (i32 16)),
1549 (sra GPR:$b, (i32 16))))]>,
1550 Requires<[IsARM, HasV5TE]> {
1555 def WB : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1556 IIC_iMUL16, !strconcat(opc, "wb"), "\t$dst, $a, $b",
1557 [(set GPR:$dst, (sra (opnode GPR:$a,
1558 (sext_inreg GPR:$b, i16)), (i32 16)))]>,
1559 Requires<[IsARM, HasV5TE]> {
1564 def WT : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1565 IIC_iMUL16, !strconcat(opc, "wt"), "\t$dst, $a, $b",
1566 [(set GPR:$dst, (sra (opnode GPR:$a,
1567 (sra GPR:$b, (i32 16))), (i32 16)))]>,
1568 Requires<[IsARM, HasV5TE]> {
1575 multiclass AI_smla<string opc, PatFrag opnode> {
1576 def BB : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1577 IIC_iMAC16, !strconcat(opc, "bb"), "\t$dst, $a, $b, $acc",
1578 [(set GPR:$dst, (add GPR:$acc,
1579 (opnode (sext_inreg GPR:$a, i16),
1580 (sext_inreg GPR:$b, i16))))]>,
1581 Requires<[IsARM, HasV5TE]> {
1586 def BT : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1587 IIC_iMAC16, !strconcat(opc, "bt"), "\t$dst, $a, $b, $acc",
1588 [(set GPR:$dst, (add GPR:$acc, (opnode (sext_inreg GPR:$a, i16),
1589 (sra GPR:$b, (i32 16)))))]>,
1590 Requires<[IsARM, HasV5TE]> {
1595 def TB : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1596 IIC_iMAC16, !strconcat(opc, "tb"), "\t$dst, $a, $b, $acc",
1597 [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, (i32 16)),
1598 (sext_inreg GPR:$b, i16))))]>,
1599 Requires<[IsARM, HasV5TE]> {
1604 def TT : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1605 IIC_iMAC16, !strconcat(opc, "tt"), "\t$dst, $a, $b, $acc",
1606 [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, (i32 16)),
1607 (sra GPR:$b, (i32 16)))))]>,
1608 Requires<[IsARM, HasV5TE]> {
1613 def WB : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1614 IIC_iMAC16, !strconcat(opc, "wb"), "\t$dst, $a, $b, $acc",
1615 [(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a,
1616 (sext_inreg GPR:$b, i16)), (i32 16))))]>,
1617 Requires<[IsARM, HasV5TE]> {
1622 def WT : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1623 IIC_iMAC16, !strconcat(opc, "wt"), "\t$dst, $a, $b, $acc",
1624 [(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a,
1625 (sra GPR:$b, (i32 16))), (i32 16))))]>,
1626 Requires<[IsARM, HasV5TE]> {
1632 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
1633 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
1635 // Halfword multiply accumulate long: SMLAL<x><y> -- for disassembly only
1636 def SMLALBB : AMulxyI<0b0001010,(outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
1637 IIC_iMAC64, "smlalbb", "\t$ldst, $hdst, $a, $b",
1638 [/* For disassembly only; pattern left blank */]>,
1639 Requires<[IsARM, HasV5TE]> {
1644 def SMLALBT : AMulxyI<0b0001010,(outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
1645 IIC_iMAC64, "smlalbt", "\t$ldst, $hdst, $a, $b",
1646 [/* For disassembly only; pattern left blank */]>,
1647 Requires<[IsARM, HasV5TE]> {
1652 def SMLALTB : AMulxyI<0b0001010,(outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
1653 IIC_iMAC64, "smlaltb", "\t$ldst, $hdst, $a, $b",
1654 [/* For disassembly only; pattern left blank */]>,
1655 Requires<[IsARM, HasV5TE]> {
1660 def SMLALTT : AMulxyI<0b0001010,(outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
1661 IIC_iMAC64, "smlaltt", "\t$ldst, $hdst, $a, $b",
1662 [/* For disassembly only; pattern left blank */]>,
1663 Requires<[IsARM, HasV5TE]> {
1668 // TODO: Dual halfword multiple: SMUAD, SMUSD, SMLAD, SMLSD, SMLALD, SMLSLD
1670 //===----------------------------------------------------------------------===//
1671 // Misc. Arithmetic Instructions.
1674 def CLZ : AMiscA1I<0b000010110, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
1675 "clz", "\t$dst, $src",
1676 [(set GPR:$dst, (ctlz GPR:$src))]>, Requires<[IsARM, HasV5T]> {
1677 let Inst{7-4} = 0b0001;
1678 let Inst{11-8} = 0b1111;
1679 let Inst{19-16} = 0b1111;
1682 def RBIT : AMiscA1I<0b01101111, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
1683 "rbit", "\t$dst, $src",
1684 [(set GPR:$dst, (ARMrbit GPR:$src))]>,
1685 Requires<[IsARM, HasV6T2]> {
1686 let Inst{7-4} = 0b0011;
1687 let Inst{11-8} = 0b1111;
1688 let Inst{19-16} = 0b1111;
1691 def REV : AMiscA1I<0b01101011, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
1692 "rev", "\t$dst, $src",
1693 [(set GPR:$dst, (bswap GPR:$src))]>, Requires<[IsARM, HasV6]> {
1694 let Inst{7-4} = 0b0011;
1695 let Inst{11-8} = 0b1111;
1696 let Inst{19-16} = 0b1111;
1699 def REV16 : AMiscA1I<0b01101011, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
1700 "rev16", "\t$dst, $src",
1702 (or (and (srl GPR:$src, (i32 8)), 0xFF),
1703 (or (and (shl GPR:$src, (i32 8)), 0xFF00),
1704 (or (and (srl GPR:$src, (i32 8)), 0xFF0000),
1705 (and (shl GPR:$src, (i32 8)), 0xFF000000)))))]>,
1706 Requires<[IsARM, HasV6]> {
1707 let Inst{7-4} = 0b1011;
1708 let Inst{11-8} = 0b1111;
1709 let Inst{19-16} = 0b1111;
1712 def REVSH : AMiscA1I<0b01101111, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
1713 "revsh", "\t$dst, $src",
1716 (or (srl (and GPR:$src, 0xFF00), (i32 8)),
1717 (shl GPR:$src, (i32 8))), i16))]>,
1718 Requires<[IsARM, HasV6]> {
1719 let Inst{7-4} = 0b1011;
1720 let Inst{11-8} = 0b1111;
1721 let Inst{19-16} = 0b1111;
1724 def PKHBT : AMiscA1I<0b01101000, (outs GPR:$dst),
1725 (ins GPR:$src1, GPR:$src2, i32imm:$shamt),
1726 IIC_iALUsi, "pkhbt", "\t$dst, $src1, $src2, LSL $shamt",
1727 [(set GPR:$dst, (or (and GPR:$src1, 0xFFFF),
1728 (and (shl GPR:$src2, (i32 imm:$shamt)),
1730 Requires<[IsARM, HasV6]> {
1731 let Inst{6-4} = 0b001;
1734 // Alternate cases for PKHBT where identities eliminate some nodes.
1735 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF), (and GPR:$src2, 0xFFFF0000)),
1736 (PKHBT GPR:$src1, GPR:$src2, 0)>;
1737 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF), (shl GPR:$src2, imm16_31:$shamt)),
1738 (PKHBT GPR:$src1, GPR:$src2, imm16_31:$shamt)>;
1741 def PKHTB : AMiscA1I<0b01101000, (outs GPR:$dst),
1742 (ins GPR:$src1, GPR:$src2, i32imm:$shamt),
1743 IIC_iALUsi, "pkhtb", "\t$dst, $src1, $src2, ASR $shamt",
1744 [(set GPR:$dst, (or (and GPR:$src1, 0xFFFF0000),
1745 (and (sra GPR:$src2, imm16_31:$shamt),
1746 0xFFFF)))]>, Requires<[IsARM, HasV6]> {
1747 let Inst{6-4} = 0b101;
1750 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
1751 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
1752 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000), (srl GPR:$src2, (i32 16))),
1753 (PKHTB GPR:$src1, GPR:$src2, 16)>;
1754 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000),
1755 (and (srl GPR:$src2, imm1_15:$shamt), 0xFFFF)),
1756 (PKHTB GPR:$src1, GPR:$src2, imm1_15:$shamt)>;
1758 //===----------------------------------------------------------------------===//
1759 // Comparison Instructions...
1762 defm CMP : AI1_cmp_irs<0b1010, "cmp",
1763 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
1764 //FIXME: Disable CMN, as CCodes are backwards from compare expectations
1765 // Compare-to-zero still works out, just not the relationals
1766 //defm CMN : AI1_cmp_irs<0b1011, "cmn",
1767 // BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
1769 // Note that TST/TEQ don't set all the same flags that CMP does!
1770 defm TST : AI1_cmp_irs<0b1000, "tst",
1771 BinOpFrag<(ARMcmpZ (and node:$LHS, node:$RHS), 0)>, 1>;
1772 defm TEQ : AI1_cmp_irs<0b1001, "teq",
1773 BinOpFrag<(ARMcmpZ (xor node:$LHS, node:$RHS), 0)>, 1>;
1775 defm CMPz : AI1_cmp_irs<0b1010, "cmp",
1776 BinOpFrag<(ARMcmpZ node:$LHS, node:$RHS)>>;
1777 defm CMNz : AI1_cmp_irs<0b1011, "cmn",
1778 BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>>;
1780 //def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
1781 // (CMNri GPR:$src, so_imm_neg:$imm)>;
1783 def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
1784 (CMNzri GPR:$src, so_imm_neg:$imm)>;
1787 // Conditional moves
1788 // FIXME: should be able to write a pattern for ARMcmov, but can't use
1789 // a two-value operand where a dag node expects two operands. :(
1790 def MOVCCr : AI1<0b1101, (outs GPR:$dst), (ins GPR:$false, GPR:$true), DPFrm,
1791 IIC_iCMOVr, "mov", "\t$dst, $true",
1792 [/*(set GPR:$dst, (ARMcmov GPR:$false, GPR:$true, imm:$cc, CCR:$ccr))*/]>,
1793 RegConstraint<"$false = $dst">, UnaryDP {
1794 let Inst{11-4} = 0b00000000;
1798 def MOVCCs : AI1<0b1101, (outs GPR:$dst),
1799 (ins GPR:$false, so_reg:$true), DPSoRegFrm, IIC_iCMOVsr,
1800 "mov", "\t$dst, $true",
1801 [/*(set GPR:$dst, (ARMcmov GPR:$false, so_reg:$true, imm:$cc, CCR:$ccr))*/]>,
1802 RegConstraint<"$false = $dst">, UnaryDP {
1806 def MOVCCi : AI1<0b1101, (outs GPR:$dst),
1807 (ins GPR:$false, so_imm:$true), DPFrm, IIC_iCMOVi,
1808 "mov", "\t$dst, $true",
1809 [/*(set GPR:$dst, (ARMcmov GPR:$false, so_imm:$true, imm:$cc, CCR:$ccr))*/]>,
1810 RegConstraint<"$false = $dst">, UnaryDP {
1814 //===----------------------------------------------------------------------===//
1815 // Atomic operations intrinsics
1818 // memory barriers protect the atomic sequences
1819 let hasSideEffects = 1 in {
1820 def Int_MemBarrierV7 : AInoP<(outs), (ins),
1821 Pseudo, NoItinerary,
1823 [(ARMMemBarrierV7)]>,
1824 Requires<[IsARM, HasV7]> {
1825 let Inst{31-4} = 0xf57ff05;
1826 // FIXME: add support for options other than a full system DMB
1827 let Inst{3-0} = 0b1111;
1830 def Int_SyncBarrierV7 : AInoP<(outs), (ins),
1831 Pseudo, NoItinerary,
1833 [(ARMSyncBarrierV7)]>,
1834 Requires<[IsARM, HasV7]> {
1835 let Inst{31-4} = 0xf57ff04;
1836 // FIXME: add support for options other than a full system DSB
1837 let Inst{3-0} = 0b1111;
1840 def Int_MemBarrierV6 : AInoP<(outs), (ins GPR:$zero),
1841 Pseudo, NoItinerary,
1842 "mcr", "\tp15, 0, $zero, c7, c10, 5",
1843 [(ARMMemBarrierV6 GPR:$zero)]>,
1844 Requires<[IsARM, HasV6]> {
1845 // FIXME: add support for options other than a full system DMB
1846 // FIXME: add encoding
1849 def Int_SyncBarrierV6 : AInoP<(outs), (ins GPR:$zero),
1850 Pseudo, NoItinerary,
1851 "mcr", "\tp15, 0, $zero, c7, c10, 4",
1852 [(ARMSyncBarrierV6 GPR:$zero)]>,
1853 Requires<[IsARM, HasV6]> {
1854 // FIXME: add support for options other than a full system DSB
1855 // FIXME: add encoding
1859 let usesCustomInserter = 1 in {
1860 let Uses = [CPSR] in {
1861 def ATOMIC_LOAD_ADD_I8 : PseudoInst<
1862 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
1863 "${:comment} ATOMIC_LOAD_ADD_I8 PSEUDO!",
1864 [(set GPR:$dst, (atomic_load_add_8 GPR:$ptr, GPR:$incr))]>;
1865 def ATOMIC_LOAD_SUB_I8 : PseudoInst<
1866 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
1867 "${:comment} ATOMIC_LOAD_SUB_I8 PSEUDO!",
1868 [(set GPR:$dst, (atomic_load_sub_8 GPR:$ptr, GPR:$incr))]>;
1869 def ATOMIC_LOAD_AND_I8 : PseudoInst<
1870 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
1871 "${:comment} ATOMIC_LOAD_AND_I8 PSEUDO!",
1872 [(set GPR:$dst, (atomic_load_and_8 GPR:$ptr, GPR:$incr))]>;
1873 def ATOMIC_LOAD_OR_I8 : PseudoInst<
1874 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
1875 "${:comment} ATOMIC_LOAD_OR_I8 PSEUDO!",
1876 [(set GPR:$dst, (atomic_load_or_8 GPR:$ptr, GPR:$incr))]>;
1877 def ATOMIC_LOAD_XOR_I8 : PseudoInst<
1878 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
1879 "${:comment} ATOMIC_LOAD_XOR_I8 PSEUDO!",
1880 [(set GPR:$dst, (atomic_load_xor_8 GPR:$ptr, GPR:$incr))]>;
1881 def ATOMIC_LOAD_NAND_I8 : PseudoInst<
1882 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
1883 "${:comment} ATOMIC_LOAD_NAND_I8 PSEUDO!",
1884 [(set GPR:$dst, (atomic_load_nand_8 GPR:$ptr, GPR:$incr))]>;
1885 def ATOMIC_LOAD_ADD_I16 : PseudoInst<
1886 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
1887 "${:comment} ATOMIC_LOAD_ADD_I16 PSEUDO!",
1888 [(set GPR:$dst, (atomic_load_add_16 GPR:$ptr, GPR:$incr))]>;
1889 def ATOMIC_LOAD_SUB_I16 : PseudoInst<
1890 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
1891 "${:comment} ATOMIC_LOAD_SUB_I16 PSEUDO!",
1892 [(set GPR:$dst, (atomic_load_sub_16 GPR:$ptr, GPR:$incr))]>;
1893 def ATOMIC_LOAD_AND_I16 : PseudoInst<
1894 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
1895 "${:comment} ATOMIC_LOAD_AND_I16 PSEUDO!",
1896 [(set GPR:$dst, (atomic_load_and_16 GPR:$ptr, GPR:$incr))]>;
1897 def ATOMIC_LOAD_OR_I16 : PseudoInst<
1898 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
1899 "${:comment} ATOMIC_LOAD_OR_I16 PSEUDO!",
1900 [(set GPR:$dst, (atomic_load_or_16 GPR:$ptr, GPR:$incr))]>;
1901 def ATOMIC_LOAD_XOR_I16 : PseudoInst<
1902 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
1903 "${:comment} ATOMIC_LOAD_XOR_I16 PSEUDO!",
1904 [(set GPR:$dst, (atomic_load_xor_16 GPR:$ptr, GPR:$incr))]>;
1905 def ATOMIC_LOAD_NAND_I16 : PseudoInst<
1906 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
1907 "${:comment} ATOMIC_LOAD_NAND_I16 PSEUDO!",
1908 [(set GPR:$dst, (atomic_load_nand_16 GPR:$ptr, GPR:$incr))]>;
1909 def ATOMIC_LOAD_ADD_I32 : PseudoInst<
1910 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
1911 "${:comment} ATOMIC_LOAD_ADD_I32 PSEUDO!",
1912 [(set GPR:$dst, (atomic_load_add_32 GPR:$ptr, GPR:$incr))]>;
1913 def ATOMIC_LOAD_SUB_I32 : PseudoInst<
1914 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
1915 "${:comment} ATOMIC_LOAD_SUB_I32 PSEUDO!",
1916 [(set GPR:$dst, (atomic_load_sub_32 GPR:$ptr, GPR:$incr))]>;
1917 def ATOMIC_LOAD_AND_I32 : PseudoInst<
1918 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
1919 "${:comment} ATOMIC_LOAD_AND_I32 PSEUDO!",
1920 [(set GPR:$dst, (atomic_load_and_32 GPR:$ptr, GPR:$incr))]>;
1921 def ATOMIC_LOAD_OR_I32 : PseudoInst<
1922 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
1923 "${:comment} ATOMIC_LOAD_OR_I32 PSEUDO!",
1924 [(set GPR:$dst, (atomic_load_or_32 GPR:$ptr, GPR:$incr))]>;
1925 def ATOMIC_LOAD_XOR_I32 : PseudoInst<
1926 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
1927 "${:comment} ATOMIC_LOAD_XOR_I32 PSEUDO!",
1928 [(set GPR:$dst, (atomic_load_xor_32 GPR:$ptr, GPR:$incr))]>;
1929 def ATOMIC_LOAD_NAND_I32 : PseudoInst<
1930 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
1931 "${:comment} ATOMIC_LOAD_NAND_I32 PSEUDO!",
1932 [(set GPR:$dst, (atomic_load_nand_32 GPR:$ptr, GPR:$incr))]>;
1934 def ATOMIC_SWAP_I8 : PseudoInst<
1935 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
1936 "${:comment} ATOMIC_SWAP_I8 PSEUDO!",
1937 [(set GPR:$dst, (atomic_swap_8 GPR:$ptr, GPR:$new))]>;
1938 def ATOMIC_SWAP_I16 : PseudoInst<
1939 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
1940 "${:comment} ATOMIC_SWAP_I16 PSEUDO!",
1941 [(set GPR:$dst, (atomic_swap_16 GPR:$ptr, GPR:$new))]>;
1942 def ATOMIC_SWAP_I32 : PseudoInst<
1943 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
1944 "${:comment} ATOMIC_SWAP_I32 PSEUDO!",
1945 [(set GPR:$dst, (atomic_swap_32 GPR:$ptr, GPR:$new))]>;
1947 def ATOMIC_CMP_SWAP_I8 : PseudoInst<
1948 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
1949 "${:comment} ATOMIC_CMP_SWAP_I8 PSEUDO!",
1950 [(set GPR:$dst, (atomic_cmp_swap_8 GPR:$ptr, GPR:$old, GPR:$new))]>;
1951 def ATOMIC_CMP_SWAP_I16 : PseudoInst<
1952 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
1953 "${:comment} ATOMIC_CMP_SWAP_I16 PSEUDO!",
1954 [(set GPR:$dst, (atomic_cmp_swap_16 GPR:$ptr, GPR:$old, GPR:$new))]>;
1955 def ATOMIC_CMP_SWAP_I32 : PseudoInst<
1956 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
1957 "${:comment} ATOMIC_CMP_SWAP_I32 PSEUDO!",
1958 [(set GPR:$dst, (atomic_cmp_swap_32 GPR:$ptr, GPR:$old, GPR:$new))]>;
1962 let mayLoad = 1 in {
1963 def LDREXB : AIldrex<0b10, (outs GPR:$dest), (ins GPR:$ptr), NoItinerary,
1964 "ldrexb", "\t$dest, [$ptr]",
1966 def LDREXH : AIldrex<0b11, (outs GPR:$dest), (ins GPR:$ptr), NoItinerary,
1967 "ldrexh", "\t$dest, [$ptr]",
1969 def LDREX : AIldrex<0b00, (outs GPR:$dest), (ins GPR:$ptr), NoItinerary,
1970 "ldrex", "\t$dest, [$ptr]",
1972 def LDREXD : AIldrex<0b01, (outs GPR:$dest, GPR:$dest2), (ins GPR:$ptr),
1974 "ldrexd", "\t$dest, $dest2, [$ptr]",
1978 let mayStore = 1, Constraints = "@earlyclobber $success" in {
1979 def STREXB : AIstrex<0b10, (outs GPR:$success), (ins GPR:$src, GPR:$ptr),
1981 "strexb", "\t$success, $src, [$ptr]",
1983 def STREXH : AIstrex<0b11, (outs GPR:$success), (ins GPR:$src, GPR:$ptr),
1985 "strexh", "\t$success, $src, [$ptr]",
1987 def STREX : AIstrex<0b00, (outs GPR:$success), (ins GPR:$src, GPR:$ptr),
1989 "strex", "\t$success, $src, [$ptr]",
1991 def STREXD : AIstrex<0b01, (outs GPR:$success),
1992 (ins GPR:$src, GPR:$src2, GPR:$ptr),
1994 "strexd", "\t$success, $src, $src2, [$ptr]",
1998 // SWP/SWPB are deprecated in V6/V7 and for disassembly only.
1999 let mayLoad = 1 in {
2000 def SWP : AI<(outs GPR:$dst), (ins GPR:$src, GPR:$ptr), LdStExFrm, NoItinerary,
2001 "swp", "\t$dst, $src, [$ptr]",
2002 [/* For disassembly only; pattern left blank */]> {
2003 let Inst{27-23} = 0b00010;
2004 let Inst{22} = 0; // B = 0
2005 let Inst{21-20} = 0b00;
2006 let Inst{7-4} = 0b1001;
2009 def SWPB : AI<(outs GPR:$dst), (ins GPR:$src, GPR:$ptr), LdStExFrm, NoItinerary,
2010 "swpb", "\t$dst, $src, [$ptr]",
2011 [/* For disassembly only; pattern left blank */]> {
2012 let Inst{27-23} = 0b00010;
2013 let Inst{22} = 1; // B = 1
2014 let Inst{21-20} = 0b00;
2015 let Inst{7-4} = 0b1001;
2019 //===----------------------------------------------------------------------===//
2023 // __aeabi_read_tp preserves the registers r1-r3.
2025 Defs = [R0, R12, LR, CPSR] in {
2026 def TPsoft : ABXI<0b1011, (outs), (ins), IIC_Br,
2027 "bl\t__aeabi_read_tp",
2028 [(set R0, ARMthread_pointer)]>;
2031 //===----------------------------------------------------------------------===//
2032 // SJLJ Exception handling intrinsics
2033 // eh_sjlj_setjmp() is an instruction sequence to store the return
2034 // address and save #0 in R0 for the non-longjmp case.
2035 // Since by its nature we may be coming from some other function to get
2036 // here, and we're using the stack frame for the containing function to
2037 // save/restore registers, we can't keep anything live in regs across
2038 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
2039 // when we get here from a longjmp(). We force everthing out of registers
2040 // except for our own input by listing the relevant registers in Defs. By
2041 // doing so, we also cause the prologue/epilogue code to actively preserve
2042 // all of the callee-saved resgisters, which is exactly what we want.
2043 // A constant value is passed in $val, and we use the location as a scratch.
2045 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, D0,
2046 D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15,
2047 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26, D27, D28, D29, D30,
2049 def Int_eh_sjlj_setjmp : XI<(outs), (ins GPR:$src, GPR:$val),
2050 AddrModeNone, SizeSpecial, IndexModeNone,
2051 Pseudo, NoItinerary,
2052 "str\tsp, [$src, #+8] @ eh_setjmp begin\n\t"
2053 "add\t$val, pc, #8\n\t"
2054 "str\t$val, [$src, #+4]\n\t"
2056 "add\tpc, pc, #0\n\t"
2057 "mov\tr0, #1 @ eh_setjmp end", "",
2058 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>;
2061 //===----------------------------------------------------------------------===//
2062 // Non-Instruction Patterns
2065 // Large immediate handling.
2067 // Two piece so_imms.
2068 let isReMaterializable = 1 in
2069 def MOVi2pieces : AI1x2<(outs GPR:$dst), (ins so_imm2part:$src),
2071 "mov", "\t$dst, $src",
2072 [(set GPR:$dst, so_imm2part:$src)]>,
2073 Requires<[IsARM, NoV6T2]>;
2075 def : ARMPat<(or GPR:$LHS, so_imm2part:$RHS),
2076 (ORRri (ORRri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
2077 (so_imm2part_2 imm:$RHS))>;
2078 def : ARMPat<(xor GPR:$LHS, so_imm2part:$RHS),
2079 (EORri (EORri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
2080 (so_imm2part_2 imm:$RHS))>;
2081 def : ARMPat<(add GPR:$LHS, so_imm2part:$RHS),
2082 (ADDri (ADDri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
2083 (so_imm2part_2 imm:$RHS))>;
2084 def : ARMPat<(add GPR:$LHS, so_neg_imm2part:$RHS),
2085 (SUBri (SUBri GPR:$LHS, (so_neg_imm2part_1 imm:$RHS)),
2086 (so_neg_imm2part_2 imm:$RHS))>;
2088 // 32-bit immediate using movw + movt.
2089 // This is a single pseudo instruction, the benefit is that it can be remat'd
2090 // as a single unit instead of having to handle reg inputs.
2091 // FIXME: Remove this when we can do generalized remat.
2092 let isReMaterializable = 1 in
2093 def MOVi32imm : AI1x2<(outs GPR:$dst), (ins i32imm:$src), Pseudo, IIC_iMOVi,
2094 "movw", "\t$dst, ${src:lo16}\n\tmovt${p}\t$dst, ${src:hi16}",
2095 [(set GPR:$dst, (i32 imm:$src))]>,
2096 Requires<[IsARM, HasV6T2]>;
2098 // ConstantPool, GlobalAddress, and JumpTable
2099 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>,
2100 Requires<[IsARM, DontUseMovt]>;
2101 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
2102 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
2103 Requires<[IsARM, UseMovt]>;
2104 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
2105 (LEApcrelJT tjumptable:$dst, imm:$id)>;
2107 // TODO: add,sub,and, 3-instr forms?
2111 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>,
2112 Requires<[IsARM, IsNotDarwin]>;
2113 def : ARMPat<(ARMcall texternalsym:$func), (BLr9 texternalsym:$func)>,
2114 Requires<[IsARM, IsDarwin]>;
2116 // zextload i1 -> zextload i8
2117 def : ARMPat<(zextloadi1 addrmode2:$addr), (LDRB addrmode2:$addr)>;
2119 // extload -> zextload
2120 def : ARMPat<(extloadi1 addrmode2:$addr), (LDRB addrmode2:$addr)>;
2121 def : ARMPat<(extloadi8 addrmode2:$addr), (LDRB addrmode2:$addr)>;
2122 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
2124 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
2125 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
2128 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
2129 (sra (shl GPR:$b, (i32 16)), (i32 16))),
2130 (SMULBB GPR:$a, GPR:$b)>;
2131 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
2132 (SMULBB GPR:$a, GPR:$b)>;
2133 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
2134 (sra GPR:$b, (i32 16))),
2135 (SMULBT GPR:$a, GPR:$b)>;
2136 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
2137 (SMULBT GPR:$a, GPR:$b)>;
2138 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
2139 (sra (shl GPR:$b, (i32 16)), (i32 16))),
2140 (SMULTB GPR:$a, GPR:$b)>;
2141 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
2142 (SMULTB GPR:$a, GPR:$b)>;
2143 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
2145 (SMULWB GPR:$a, GPR:$b)>;
2146 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
2147 (SMULWB GPR:$a, GPR:$b)>;
2149 def : ARMV5TEPat<(add GPR:$acc,
2150 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
2151 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
2152 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
2153 def : ARMV5TEPat<(add GPR:$acc,
2154 (mul sext_16_node:$a, sext_16_node:$b)),
2155 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
2156 def : ARMV5TEPat<(add GPR:$acc,
2157 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
2158 (sra GPR:$b, (i32 16)))),
2159 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
2160 def : ARMV5TEPat<(add GPR:$acc,
2161 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
2162 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
2163 def : ARMV5TEPat<(add GPR:$acc,
2164 (mul (sra GPR:$a, (i32 16)),
2165 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
2166 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
2167 def : ARMV5TEPat<(add GPR:$acc,
2168 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
2169 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
2170 def : ARMV5TEPat<(add GPR:$acc,
2171 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
2173 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
2174 def : ARMV5TEPat<(add GPR:$acc,
2175 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
2176 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
2178 //===----------------------------------------------------------------------===//
2182 include "ARMInstrThumb.td"
2184 //===----------------------------------------------------------------------===//
2188 include "ARMInstrThumb2.td"
2190 //===----------------------------------------------------------------------===//
2191 // Floating Point Support
2194 include "ARMInstrVFP.td"
2196 //===----------------------------------------------------------------------===//
2197 // Advanced SIMD (NEON) Support
2200 include "ARMInstrNEON.td"
2202 //===----------------------------------------------------------------------===//
2203 // Coprocessor Instructions. For disassembly only.
2206 def CDP : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2207 nohash_imm:$CRd, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2208 NoItinerary, "cdp", "\tp$cop, $opc1, cr$CRd, cr$CRn, cr$CRm, $opc2",
2209 [/* For disassembly only; pattern left blank */]> {
2213 def CDP2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2214 nohash_imm:$CRd, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2215 NoItinerary, "cdp2\tp$cop, $opc1, cr$CRd, cr$CRn, cr$CRm, $opc2",
2216 [/* For disassembly only; pattern left blank */]> {
2217 let Inst{31-28} = 0b1111;
2221 def MCR : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2222 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2223 NoItinerary, "mcr", "\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
2224 [/* For disassembly only; pattern left blank */]> {
2229 def MCR2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2230 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2231 NoItinerary, "mcr2\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
2232 [/* For disassembly only; pattern left blank */]> {
2233 let Inst{31-28} = 0b1111;
2238 def MRC : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2239 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2240 NoItinerary, "mrc", "\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
2241 [/* For disassembly only; pattern left blank */]> {
2246 def MRC2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2247 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2248 NoItinerary, "mrc2\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
2249 [/* For disassembly only; pattern left blank */]> {
2250 let Inst{31-28} = 0b1111;
2255 def MCRR : ABI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
2256 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
2257 NoItinerary, "mcrr", "\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
2258 [/* For disassembly only; pattern left blank */]> {
2259 let Inst{23-20} = 0b0100;
2262 def MCRR2 : ABXI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
2263 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
2264 NoItinerary, "mcrr2\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
2265 [/* For disassembly only; pattern left blank */]> {
2266 let Inst{31-28} = 0b1111;
2267 let Inst{23-20} = 0b0100;
2270 def MRRC : ABI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
2271 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
2272 NoItinerary, "mrrc", "\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
2273 [/* For disassembly only; pattern left blank */]> {
2274 let Inst{23-20} = 0b0101;
2277 def MRRC2 : ABXI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
2278 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
2279 NoItinerary, "mrrc2\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
2280 [/* For disassembly only; pattern left blank */]> {
2281 let Inst{31-28} = 0b1111;
2282 let Inst{23-20} = 0b0101;
2285 //===----------------------------------------------------------------------===//
2286 // Move between special register and ARM core register -- for disassembly only
2289 def MRS : ABI<0b0001,(outs GPR:$dst),(ins), NoItinerary, "mrs", "\t$dst, cpsr",
2290 [/* For disassembly only; pattern left blank */]> {
2291 let Inst{23-20} = 0b0000;
2292 let Inst{7-4} = 0b0000;
2295 def MRSsys : ABI<0b0001,(outs GPR:$dst),(ins), NoItinerary,"mrs","\t$dst, spsr",
2296 [/* For disassembly only; pattern left blank */]> {
2297 let Inst{23-20} = 0b0100;
2298 let Inst{7-4} = 0b0000;
2301 // FIXME: mask is ignored for the time being.
2302 def MSR : ABI<0b0001,(outs),(ins GPR:$src), NoItinerary, "mrs", "\tcpsr, $src",
2303 [/* For disassembly only; pattern left blank */]> {
2304 let Inst{23-20} = 0b0010;
2305 let Inst{7-4} = 0b0000;
2308 // FIXME: mask is ignored for the time being.
2309 def MSRsys : ABI<0b0001,(outs),(ins GPR:$src),NoItinerary,"mrs","\tspsr, $src",
2310 [/* For disassembly only; pattern left blank */]> {
2311 let Inst{23-20} = 0b0110;
2312 let Inst{7-4} = 0b0000;