1 //===- ARMInstrInfo.td - Target Description for ARM Target -*- tablegen -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file describes the ARM instructions in TableGen format.
12 //===----------------------------------------------------------------------===//
14 //===----------------------------------------------------------------------===//
15 // ARM specific DAG Nodes.
19 def SDT_ARMCallSeqStart : SDCallSeqStart<[ SDTCisVT<0, i32> ]>;
20 def SDT_ARMCallSeqEnd : SDCallSeqEnd<[ SDTCisVT<0, i32>, SDTCisVT<1, i32> ]>;
22 def SDT_ARMSaveCallPC : SDTypeProfile<0, 1, []>;
24 def SDT_ARMcall : SDTypeProfile<0, -1, [SDTCisPtrTy<0>]>;
26 def SDT_ARMCMov : SDTypeProfile<1, 3,
27 [SDTCisSameAs<0, 1>, SDTCisSameAs<0, 2>,
30 def SDT_ARMBrcond : SDTypeProfile<0, 2,
31 [SDTCisVT<0, OtherVT>, SDTCisVT<1, i32>]>;
33 def SDT_ARMBrJT : SDTypeProfile<0, 3,
34 [SDTCisPtrTy<0>, SDTCisVT<1, i32>,
37 def SDT_ARMBr2JT : SDTypeProfile<0, 4,
38 [SDTCisPtrTy<0>, SDTCisVT<1, i32>,
39 SDTCisVT<2, i32>, SDTCisVT<3, i32>]>;
41 def SDT_ARMCmp : SDTypeProfile<0, 2, [SDTCisSameAs<0, 1>]>;
43 def SDT_ARMPICAdd : SDTypeProfile<1, 2, [SDTCisSameAs<0, 1>,
44 SDTCisPtrTy<1>, SDTCisVT<2, i32>]>;
46 def SDT_ARMThreadPointer : SDTypeProfile<1, 0, [SDTCisPtrTy<0>]>;
47 def SDT_ARMEH_SJLJ_Setjmp : SDTypeProfile<1, 2, [SDTCisInt<0>, SDTCisPtrTy<1>,
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 HasV4T : Predicate<"Subtarget->hasV4TOps()">;
117 def NoV4T : Predicate<"!Subtarget->hasV4TOps()">;
118 def HasV5T : Predicate<"Subtarget->hasV5TOps()">;
119 def HasV5TE : Predicate<"Subtarget->hasV5TEOps()">;
120 def HasV6 : Predicate<"Subtarget->hasV6Ops()">;
121 def HasV6T2 : Predicate<"Subtarget->hasV6T2Ops()">;
122 def NoV6T2 : Predicate<"!Subtarget->hasV6T2Ops()">;
123 def HasV7 : Predicate<"Subtarget->hasV7Ops()">;
124 def HasVFP2 : Predicate<"Subtarget->hasVFP2()">;
125 def HasVFP3 : Predicate<"Subtarget->hasVFP3()">;
126 def HasNEON : Predicate<"Subtarget->hasNEON()">;
127 def UseNEONForFP : Predicate<"Subtarget->useNEONForSinglePrecisionFP()">;
128 def DontUseNEONForFP : Predicate<"!Subtarget->useNEONForSinglePrecisionFP()">;
129 def IsThumb : Predicate<"Subtarget->isThumb()">;
130 def IsThumb1Only : Predicate<"Subtarget->isThumb1Only()">;
131 def IsThumb2 : Predicate<"Subtarget->isThumb2()">;
132 def IsARM : Predicate<"!Subtarget->isThumb()">;
133 def IsDarwin : Predicate<"Subtarget->isTargetDarwin()">;
134 def IsNotDarwin : Predicate<"!Subtarget->isTargetDarwin()">;
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 /// adde and sube predicates - True based on whether the carry flag output
240 /// will be needed or not.
241 def adde_dead_carry :
242 PatFrag<(ops node:$LHS, node:$RHS), (adde node:$LHS, node:$RHS),
243 [{return !N->hasAnyUseOfValue(1);}]>;
244 def sube_dead_carry :
245 PatFrag<(ops node:$LHS, node:$RHS), (sube node:$LHS, node:$RHS),
246 [{return !N->hasAnyUseOfValue(1);}]>;
247 def adde_live_carry :
248 PatFrag<(ops node:$LHS, node:$RHS), (adde node:$LHS, node:$RHS),
249 [{return N->hasAnyUseOfValue(1);}]>;
250 def sube_live_carry :
251 PatFrag<(ops node:$LHS, node:$RHS), (sube node:$LHS, node:$RHS),
252 [{return N->hasAnyUseOfValue(1);}]>;
254 //===----------------------------------------------------------------------===//
255 // Operand Definitions.
259 def brtarget : Operand<OtherVT>;
261 // A list of registers separated by comma. Used by load/store multiple.
262 def reglist : Operand<i32> {
263 let PrintMethod = "printRegisterList";
266 // An operand for the CONSTPOOL_ENTRY pseudo-instruction.
267 def cpinst_operand : Operand<i32> {
268 let PrintMethod = "printCPInstOperand";
271 def jtblock_operand : Operand<i32> {
272 let PrintMethod = "printJTBlockOperand";
274 def jt2block_operand : Operand<i32> {
275 let PrintMethod = "printJT2BlockOperand";
279 def pclabel : Operand<i32> {
280 let PrintMethod = "printPCLabel";
283 // shifter_operand operands: so_reg and so_imm.
284 def so_reg : Operand<i32>, // reg reg imm
285 ComplexPattern<i32, 3, "SelectShifterOperandReg",
286 [shl,srl,sra,rotr]> {
287 let PrintMethod = "printSORegOperand";
288 let MIOperandInfo = (ops GPR, GPR, i32imm);
291 // so_imm - Match a 32-bit shifter_operand immediate operand, which is an
292 // 8-bit immediate rotated by an arbitrary number of bits. so_imm values are
293 // represented in the imm field in the same 12-bit form that they are encoded
294 // into so_imm instructions: the 8-bit immediate is the least significant bits
295 // [bits 0-7], the 4-bit shift amount is the next 4 bits [bits 8-11].
296 def so_imm : Operand<i32>,
298 return ARM_AM::getSOImmVal(N->getZExtValue()) != -1;
300 let PrintMethod = "printSOImmOperand";
303 // Break so_imm's up into two pieces. This handles immediates with up to 16
304 // bits set in them. This uses so_imm2part to match and so_imm2part_[12] to
305 // get the first/second pieces.
306 def so_imm2part : Operand<i32>,
308 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
310 let PrintMethod = "printSOImm2PartOperand";
313 def so_imm2part_1 : SDNodeXForm<imm, [{
314 unsigned V = ARM_AM::getSOImmTwoPartFirst((unsigned)N->getZExtValue());
315 return CurDAG->getTargetConstant(V, MVT::i32);
318 def so_imm2part_2 : SDNodeXForm<imm, [{
319 unsigned V = ARM_AM::getSOImmTwoPartSecond((unsigned)N->getZExtValue());
320 return CurDAG->getTargetConstant(V, MVT::i32);
323 def so_neg_imm2part : Operand<i32>, PatLeaf<(imm), [{
324 return ARM_AM::isSOImmTwoPartVal(-(int)N->getZExtValue());
326 let PrintMethod = "printSOImm2PartOperand";
329 def so_neg_imm2part_1 : SDNodeXForm<imm, [{
330 unsigned V = ARM_AM::getSOImmTwoPartFirst(-(int)N->getZExtValue());
331 return CurDAG->getTargetConstant(V, MVT::i32);
334 def so_neg_imm2part_2 : SDNodeXForm<imm, [{
335 unsigned V = ARM_AM::getSOImmTwoPartSecond(-(int)N->getZExtValue());
336 return CurDAG->getTargetConstant(V, MVT::i32);
339 /// imm0_31 predicate - True if the 32-bit immediate is in the range [0,31].
340 def imm0_31 : Operand<i32>, PatLeaf<(imm), [{
341 return (int32_t)N->getZExtValue() < 32;
344 // Define ARM specific addressing modes.
346 // addrmode2 := reg +/- reg shop imm
347 // addrmode2 := reg +/- imm12
349 def addrmode2 : Operand<i32>,
350 ComplexPattern<i32, 3, "SelectAddrMode2", []> {
351 let PrintMethod = "printAddrMode2Operand";
352 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
355 def am2offset : Operand<i32>,
356 ComplexPattern<i32, 2, "SelectAddrMode2Offset", []> {
357 let PrintMethod = "printAddrMode2OffsetOperand";
358 let MIOperandInfo = (ops GPR, i32imm);
361 // addrmode3 := reg +/- reg
362 // addrmode3 := reg +/- imm8
364 def addrmode3 : Operand<i32>,
365 ComplexPattern<i32, 3, "SelectAddrMode3", []> {
366 let PrintMethod = "printAddrMode3Operand";
367 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
370 def am3offset : Operand<i32>,
371 ComplexPattern<i32, 2, "SelectAddrMode3Offset", []> {
372 let PrintMethod = "printAddrMode3OffsetOperand";
373 let MIOperandInfo = (ops GPR, i32imm);
376 // addrmode4 := reg, <mode|W>
378 def addrmode4 : Operand<i32>,
379 ComplexPattern<i32, 2, "SelectAddrMode4", []> {
380 let PrintMethod = "printAddrMode4Operand";
381 let MIOperandInfo = (ops GPR, i32imm);
384 // addrmode5 := reg +/- imm8*4
386 def addrmode5 : Operand<i32>,
387 ComplexPattern<i32, 2, "SelectAddrMode5", []> {
388 let PrintMethod = "printAddrMode5Operand";
389 let MIOperandInfo = (ops GPR, i32imm);
392 // addrmode6 := reg with optional writeback
394 def addrmode6 : Operand<i32>,
395 ComplexPattern<i32, 4, "SelectAddrMode6", []> {
396 let PrintMethod = "printAddrMode6Operand";
397 let MIOperandInfo = (ops GPR:$addr, GPR:$upd, i32imm, i32imm);
400 // addrmodepc := pc + reg
402 def addrmodepc : Operand<i32>,
403 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
404 let PrintMethod = "printAddrModePCOperand";
405 let MIOperandInfo = (ops GPR, i32imm);
408 def nohash_imm : Operand<i32> {
409 let PrintMethod = "printNoHashImmediate";
412 //===----------------------------------------------------------------------===//
414 include "ARMInstrFormats.td"
416 //===----------------------------------------------------------------------===//
417 // Multiclass helpers...
420 /// AsI1_bin_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns for a
421 /// binop that produces a value.
422 multiclass AsI1_bin_irs<bits<4> opcod, string opc, PatFrag opnode,
423 bit Commutable = 0> {
424 def ri : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
425 IIC_iALUi, opc, "\t$dst, $a, $b",
426 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]> {
429 def rr : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
430 IIC_iALUr, opc, "\t$dst, $a, $b",
431 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]> {
432 let Inst{11-4} = 0b00000000;
434 let isCommutable = Commutable;
436 def rs : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
437 IIC_iALUsr, opc, "\t$dst, $a, $b",
438 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]> {
443 /// AI1_bin_s_irs - Similar to AsI1_bin_irs except it sets the 's' bit so the
444 /// instruction modifies the CPSR register.
445 let Defs = [CPSR] in {
446 multiclass AI1_bin_s_irs<bits<4> opcod, string opc, PatFrag opnode,
447 bit Commutable = 0> {
448 def ri : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
449 IIC_iALUi, opc, "\t$dst, $a, $b",
450 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]> {
454 def rr : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
455 IIC_iALUr, opc, "\t$dst, $a, $b",
456 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]> {
457 let isCommutable = Commutable;
458 let Inst{11-4} = 0b00000000;
462 def rs : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
463 IIC_iALUsr, opc, "\t$dst, $a, $b",
464 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]> {
471 /// AI1_cmp_irs - Defines a set of (op r, {so_imm|r|so_reg}) cmp / test
472 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
473 /// a explicit result, only implicitly set CPSR.
474 let Defs = [CPSR] in {
475 multiclass AI1_cmp_irs<bits<4> opcod, string opc, PatFrag opnode,
476 bit Commutable = 0> {
477 def ri : AI1<opcod, (outs), (ins GPR:$a, so_imm:$b), DPFrm, IIC_iCMPi,
479 [(opnode GPR:$a, so_imm:$b)]> {
483 def rr : AI1<opcod, (outs), (ins GPR:$a, GPR:$b), DPFrm, IIC_iCMPr,
485 [(opnode GPR:$a, GPR:$b)]> {
486 let Inst{11-4} = 0b00000000;
489 let isCommutable = Commutable;
491 def rs : AI1<opcod, (outs), (ins GPR:$a, so_reg:$b), DPSoRegFrm, IIC_iCMPsr,
493 [(opnode GPR:$a, so_reg:$b)]> {
500 /// AI_unary_rrot - A unary operation with two forms: one whose operand is a
501 /// register and one whose operand is a register rotated by 8/16/24.
502 /// FIXME: Remove the 'r' variant. Its rot_imm is zero.
503 multiclass AI_unary_rrot<bits<8> opcod, string opc, PatFrag opnode> {
504 def r : AExtI<opcod, (outs GPR:$dst), (ins GPR:$src),
505 IIC_iUNAr, opc, "\t$dst, $src",
506 [(set GPR:$dst, (opnode GPR:$src))]>,
507 Requires<[IsARM, HasV6]> {
508 let Inst{11-10} = 0b00;
509 let Inst{19-16} = 0b1111;
511 def r_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$src, i32imm:$rot),
512 IIC_iUNAsi, opc, "\t$dst, $src, ror $rot",
513 [(set GPR:$dst, (opnode (rotr GPR:$src, rot_imm:$rot)))]>,
514 Requires<[IsARM, HasV6]> {
515 let Inst{19-16} = 0b1111;
519 multiclass AI_unary_rrot_np<bits<8> opcod, string opc> {
520 def r : AExtI<opcod, (outs GPR:$dst), (ins GPR:$src),
521 IIC_iUNAr, opc, "\t$dst, $src",
522 [/* For disassembly only; pattern left blank */]>,
523 Requires<[IsARM, HasV6]> {
524 let Inst{11-10} = 0b00;
525 let Inst{19-16} = 0b1111;
527 def r_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$src, i32imm:$rot),
528 IIC_iUNAsi, opc, "\t$dst, $src, ror $rot",
529 [/* For disassembly only; pattern left blank */]>,
530 Requires<[IsARM, HasV6]> {
531 let Inst{19-16} = 0b1111;
535 /// AI_bin_rrot - A binary operation with two forms: one whose operand is a
536 /// register and one whose operand is a register rotated by 8/16/24.
537 multiclass AI_bin_rrot<bits<8> opcod, string opc, PatFrag opnode> {
538 def rr : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS),
539 IIC_iALUr, opc, "\t$dst, $LHS, $RHS",
540 [(set GPR:$dst, (opnode GPR:$LHS, GPR:$RHS))]>,
541 Requires<[IsARM, HasV6]> {
542 let Inst{11-10} = 0b00;
544 def rr_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS,
546 IIC_iALUsi, opc, "\t$dst, $LHS, $RHS, ror $rot",
547 [(set GPR:$dst, (opnode GPR:$LHS,
548 (rotr GPR:$RHS, rot_imm:$rot)))]>,
549 Requires<[IsARM, HasV6]>;
552 // For disassembly only.
553 multiclass AI_bin_rrot_np<bits<8> opcod, string opc> {
554 def rr : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS),
555 IIC_iALUr, opc, "\t$dst, $LHS, $RHS",
556 [/* For disassembly only; pattern left blank */]>,
557 Requires<[IsARM, HasV6]> {
558 let Inst{11-10} = 0b00;
560 def rr_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS,
562 IIC_iALUsi, opc, "\t$dst, $LHS, $RHS, ror $rot",
563 [/* For disassembly only; pattern left blank */]>,
564 Requires<[IsARM, HasV6]>;
567 /// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
568 let Uses = [CPSR] in {
569 multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode,
570 bit Commutable = 0> {
571 def ri : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
572 DPFrm, IIC_iALUi, opc, "\t$dst, $a, $b",
573 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]>,
577 def rr : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
578 DPFrm, IIC_iALUr, opc, "\t$dst, $a, $b",
579 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]>,
581 let isCommutable = Commutable;
582 let Inst{11-4} = 0b00000000;
585 def rs : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
586 DPSoRegFrm, IIC_iALUsr, opc, "\t$dst, $a, $b",
587 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]>,
592 // Carry setting variants
593 let Defs = [CPSR] in {
594 multiclass AI1_adde_sube_s_irs<bits<4> opcod, string opc, PatFrag opnode,
595 bit Commutable = 0> {
596 def Sri : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
597 DPFrm, IIC_iALUi, !strconcat(opc, "\t$dst, $a, $b"),
598 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]>,
603 def Srr : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
604 DPFrm, IIC_iALUr, !strconcat(opc, "\t$dst, $a, $b"),
605 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]>,
607 let Inst{11-4} = 0b00000000;
611 def Srs : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
612 DPSoRegFrm, IIC_iALUsr, !strconcat(opc, "\t$dst, $a, $b"),
613 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]>,
622 //===----------------------------------------------------------------------===//
624 //===----------------------------------------------------------------------===//
626 //===----------------------------------------------------------------------===//
627 // Miscellaneous Instructions.
630 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
631 /// the function. The first operand is the ID# for this instruction, the second
632 /// is the index into the MachineConstantPool that this is, the third is the
633 /// size in bytes of this constant pool entry.
634 let neverHasSideEffects = 1, isNotDuplicable = 1 in
635 def CONSTPOOL_ENTRY :
636 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
637 i32imm:$size), NoItinerary,
638 "${instid:label} ${cpidx:cpentry}", []>;
640 // FIXME: Marking these as hasSideEffects is necessary to prevent machine DCE
641 // from removing one half of the matched pairs. That breaks PEI, which assumes
642 // these will always be in pairs, and asserts if it finds otherwise. Better way?
643 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
645 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary,
646 "@ ADJCALLSTACKUP $amt1",
647 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
649 def ADJCALLSTACKDOWN :
650 PseudoInst<(outs), (ins i32imm:$amt, pred:$p), NoItinerary,
651 "@ ADJCALLSTACKDOWN $amt",
652 [(ARMcallseq_start timm:$amt)]>;
655 def NOP : AI<(outs), (ins), MiscFrm, NoItinerary, "nop", "",
656 [/* For disassembly only; pattern left blank */]>,
657 Requires<[IsARM, HasV6T2]> {
658 let Inst{27-16} = 0b001100100000;
659 let Inst{7-0} = 0b00000000;
662 def YIELD : AI<(outs), (ins), MiscFrm, NoItinerary, "yield", "",
663 [/* For disassembly only; pattern left blank */]>,
664 Requires<[IsARM, HasV6T2]> {
665 let Inst{27-16} = 0b001100100000;
666 let Inst{7-0} = 0b00000001;
669 def WFE : AI<(outs), (ins), MiscFrm, NoItinerary, "wfe", "",
670 [/* For disassembly only; pattern left blank */]>,
671 Requires<[IsARM, HasV6T2]> {
672 let Inst{27-16} = 0b001100100000;
673 let Inst{7-0} = 0b00000010;
676 def WFI : AI<(outs), (ins), MiscFrm, NoItinerary, "wfi", "",
677 [/* For disassembly only; pattern left blank */]>,
678 Requires<[IsARM, HasV6T2]> {
679 let Inst{27-16} = 0b001100100000;
680 let Inst{7-0} = 0b00000011;
683 def SEL : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm, NoItinerary, "sel",
685 [/* For disassembly only; pattern left blank */]>,
686 Requires<[IsARM, HasV6]> {
687 let Inst{27-20} = 0b01101000;
688 let Inst{7-4} = 0b1011;
691 def SEV : AI<(outs), (ins), MiscFrm, NoItinerary, "sev", "",
692 [/* For disassembly only; pattern left blank */]>,
693 Requires<[IsARM, HasV6T2]> {
694 let Inst{27-16} = 0b001100100000;
695 let Inst{7-0} = 0b00000100;
698 // The i32imm operand $val can be used by a debugger to store more information
699 // about the breakpoint.
700 def BKPT : AI<(outs), (ins i32imm:$val), MiscFrm, NoItinerary, "bkpt", "\t$val",
701 [/* For disassembly only; pattern left blank */]>,
703 let Inst{27-20} = 0b00010010;
704 let Inst{7-4} = 0b0111;
707 // Change Processor State is a system instruction -- for disassembly only.
708 // The singleton $opt operand contains the following information:
709 // opt{4-0} = mode from Inst{4-0}
710 // opt{5} = changemode from Inst{17}
711 // opt{8-6} = AIF from Inst{8-6}
712 // opt{10-9} = imod from Inst{19-18} with 0b10 as enable and 0b11 as disable
713 def CPS : AXI<(outs), (ins cps_opt:$opt), MiscFrm, NoItinerary, "cps$opt",
714 [/* For disassembly only; pattern left blank */]>,
716 let Inst{31-28} = 0b1111;
717 let Inst{27-20} = 0b00010000;
722 // Preload signals the memory system of possible future data/instruction access.
723 // These are for disassembly only.
725 // A8.6.117, A8.6.118. Different instructions are generated for #0 and #-0.
726 // The neg_zero operand translates -0 to -1, -1 to -2, ..., etc.
727 multiclass APreLoad<bit data, bit read, string opc> {
729 def i : AXI<(outs), (ins GPR:$base, neg_zero:$imm), MiscFrm, NoItinerary,
730 !strconcat(opc, "\t[$base, $imm]"), []> {
731 let Inst{31-26} = 0b111101;
732 let Inst{25} = 0; // 0 for immediate form
735 let Inst{21-20} = 0b01;
738 def r : AXI<(outs), (ins addrmode2:$addr), MiscFrm, NoItinerary,
739 !strconcat(opc, "\t$addr"), []> {
740 let Inst{31-26} = 0b111101;
741 let Inst{25} = 1; // 1 for register form
744 let Inst{21-20} = 0b01;
749 defm PLD : APreLoad<1, 1, "pld">;
750 defm PLDW : APreLoad<1, 0, "pldw">;
751 defm PLI : APreLoad<0, 1, "pli">;
753 def SETENDBE : AXI<(outs),(ins), MiscFrm, NoItinerary, "setend\tbe",
754 [/* For disassembly only; pattern left blank */]>,
756 let Inst{31-28} = 0b1111;
757 let Inst{27-20} = 0b00010000;
760 let Inst{7-4} = 0b0000;
763 def SETENDLE : AXI<(outs),(ins), MiscFrm, NoItinerary, "setend\tle",
764 [/* For disassembly only; pattern left blank */]>,
766 let Inst{31-28} = 0b1111;
767 let Inst{27-20} = 0b00010000;
770 let Inst{7-4} = 0b0000;
773 def DBG : AI<(outs), (ins i32imm:$opt), MiscFrm, NoItinerary, "dbg", "\t$opt",
774 [/* For disassembly only; pattern left blank */]>,
775 Requires<[IsARM, HasV7]> {
776 let Inst{27-16} = 0b001100100000;
777 let Inst{7-4} = 0b1111;
780 // A5.4 Permanently UNDEFINED instructions.
781 def TRAP : AI<(outs), (ins), MiscFrm, NoItinerary, "trap", "",
782 [/* For disassembly only; pattern left blank */]>,
784 let Inst{27-25} = 0b011;
785 let Inst{24-20} = 0b11111;
786 let Inst{7-5} = 0b111;
790 // Address computation and loads and stores in PIC mode.
791 let isNotDuplicable = 1 in {
792 def PICADD : AXI1<0b0100, (outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
793 Pseudo, IIC_iALUr, "\n$cp:\n\tadd$p\t$dst, pc, $a",
794 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
796 let AddedComplexity = 10 in {
797 def PICLDR : AXI2ldw<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
798 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldr$p\t$dst, $addr",
799 [(set GPR:$dst, (load addrmodepc:$addr))]>;
801 def PICLDRH : AXI3ldh<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
802 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldrh${p}\t$dst, $addr",
803 [(set GPR:$dst, (zextloadi16 addrmodepc:$addr))]>;
805 def PICLDRB : AXI2ldb<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
806 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldrb${p}\t$dst, $addr",
807 [(set GPR:$dst, (zextloadi8 addrmodepc:$addr))]>;
809 def PICLDRSH : AXI3ldsh<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
810 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldrsh${p}\t$dst, $addr",
811 [(set GPR:$dst, (sextloadi16 addrmodepc:$addr))]>;
813 def PICLDRSB : AXI3ldsb<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
814 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldrsb${p}\t$dst, $addr",
815 [(set GPR:$dst, (sextloadi8 addrmodepc:$addr))]>;
817 let AddedComplexity = 10 in {
818 def PICSTR : AXI2stw<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
819 Pseudo, IIC_iStorer, "\n${addr:label}:\n\tstr$p\t$src, $addr",
820 [(store GPR:$src, addrmodepc:$addr)]>;
822 def PICSTRH : AXI3sth<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
823 Pseudo, IIC_iStorer, "\n${addr:label}:\n\tstrh${p}\t$src, $addr",
824 [(truncstorei16 GPR:$src, addrmodepc:$addr)]>;
826 def PICSTRB : AXI2stb<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
827 Pseudo, IIC_iStorer, "\n${addr:label}:\n\tstrb${p}\t$src, $addr",
828 [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
830 } // isNotDuplicable = 1
833 // LEApcrel - Load a pc-relative address into a register without offending the
835 def LEApcrel : AXI1<0x0, (outs GPR:$dst), (ins i32imm:$label, pred:$p),
837 !strconcat(!strconcat(".set ${:private}PCRELV${:uid}, ($label-(",
838 "${:private}PCRELL${:uid}+8))\n"),
839 !strconcat("${:private}PCRELL${:uid}:\n\t",
840 "add$p\t$dst, pc, #${:private}PCRELV${:uid}")),
843 def LEApcrelJT : AXI1<0x0, (outs GPR:$dst),
844 (ins i32imm:$label, nohash_imm:$id, pred:$p),
846 !strconcat(!strconcat(".set ${:private}PCRELV${:uid}, "
848 "${:private}PCRELL${:uid}+8))\n"),
849 !strconcat("${:private}PCRELL${:uid}:\n\t",
850 "add$p\t$dst, pc, #${:private}PCRELV${:uid}")),
855 //===----------------------------------------------------------------------===//
856 // Control Flow Instructions.
859 let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
861 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
862 "bx", "\tlr", [(ARMretflag)]>,
863 Requires<[IsARM, HasV4T]> {
864 let Inst{3-0} = 0b1110;
865 let Inst{7-4} = 0b0001;
866 let Inst{19-8} = 0b111111111111;
867 let Inst{27-20} = 0b00010010;
871 def MOVPCLR : AI<(outs), (ins), BrMiscFrm, IIC_Br,
872 "mov", "\tpc, lr", [(ARMretflag)]>,
873 Requires<[IsARM, NoV4T]> {
874 let Inst{11-0} = 0b000000001110;
875 let Inst{15-12} = 0b1111;
876 let Inst{19-16} = 0b0000;
877 let Inst{27-20} = 0b00011010;
882 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
884 def BRIND : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
886 Requires<[IsARM, HasV4T]> {
887 let Inst{7-4} = 0b0001;
888 let Inst{19-8} = 0b111111111111;
889 let Inst{27-20} = 0b00010010;
890 let Inst{31-28} = 0b1110;
894 def MOVPCRX : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "mov\tpc, $dst",
896 Requires<[IsARM, NoV4T]> {
897 let Inst{11-4} = 0b00000000;
898 let Inst{15-12} = 0b1111;
899 let Inst{19-16} = 0b0000;
900 let Inst{27-20} = 0b00011010;
901 let Inst{31-28} = 0b1110;
905 // FIXME: remove when we have a way to marking a MI with these properties.
906 // FIXME: Should pc be an implicit operand like PICADD, etc?
907 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
908 hasExtraDefRegAllocReq = 1 in
909 def LDM_RET : AXI4ld<(outs),
910 (ins addrmode4:$addr, pred:$p, reglist:$wb, variable_ops),
911 LdStMulFrm, IIC_Br, "ldm${addr:submode}${p}\t$addr, $wb",
914 // On non-Darwin platforms R9 is callee-saved.
916 Defs = [R0, R1, R2, R3, R12, LR,
917 D0, D1, D2, D3, D4, D5, D6, D7,
918 D16, D17, D18, D19, D20, D21, D22, D23,
919 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR] in {
920 def BL : ABXI<0b1011, (outs), (ins i32imm:$func, variable_ops),
921 IIC_Br, "bl\t${func:call}",
922 [(ARMcall tglobaladdr:$func)]>,
923 Requires<[IsARM, IsNotDarwin]> {
924 let Inst{31-28} = 0b1110;
927 def BL_pred : ABI<0b1011, (outs), (ins i32imm:$func, variable_ops),
928 IIC_Br, "bl", "\t${func:call}",
929 [(ARMcall_pred tglobaladdr:$func)]>,
930 Requires<[IsARM, IsNotDarwin]>;
933 def BLX : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
934 IIC_Br, "blx\t$func",
935 [(ARMcall GPR:$func)]>,
936 Requires<[IsARM, HasV5T, IsNotDarwin]> {
937 let Inst{7-4} = 0b0011;
938 let Inst{19-8} = 0b111111111111;
939 let Inst{27-20} = 0b00010010;
943 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
944 def BX : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
945 IIC_Br, "mov\tlr, pc\n\tbx\t$func",
946 [(ARMcall_nolink tGPR:$func)]>,
947 Requires<[IsARM, HasV4T, IsNotDarwin]> {
948 let Inst{7-4} = 0b0001;
949 let Inst{19-8} = 0b111111111111;
950 let Inst{27-20} = 0b00010010;
954 def BMOVPCRX : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
955 IIC_Br, "mov\tlr, pc\n\tmov\tpc, $func",
956 [(ARMcall_nolink tGPR:$func)]>,
957 Requires<[IsARM, NoV4T, IsNotDarwin]> {
958 let Inst{11-4} = 0b00000000;
959 let Inst{15-12} = 0b1111;
960 let Inst{19-16} = 0b0000;
961 let Inst{27-20} = 0b00011010;
965 // On Darwin R9 is call-clobbered.
967 Defs = [R0, R1, R2, R3, R9, R12, LR,
968 D0, D1, D2, D3, D4, D5, D6, D7,
969 D16, D17, D18, D19, D20, D21, D22, D23,
970 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR] in {
971 def BLr9 : ABXI<0b1011, (outs), (ins i32imm:$func, variable_ops),
972 IIC_Br, "bl\t${func:call}",
973 [(ARMcall tglobaladdr:$func)]>, Requires<[IsARM, IsDarwin]> {
974 let Inst{31-28} = 0b1110;
977 def BLr9_pred : ABI<0b1011, (outs), (ins i32imm:$func, variable_ops),
978 IIC_Br, "bl", "\t${func:call}",
979 [(ARMcall_pred tglobaladdr:$func)]>,
980 Requires<[IsARM, IsDarwin]>;
983 def BLXr9 : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
984 IIC_Br, "blx\t$func",
985 [(ARMcall GPR:$func)]>, Requires<[IsARM, HasV5T, IsDarwin]> {
986 let Inst{7-4} = 0b0011;
987 let Inst{19-8} = 0b111111111111;
988 let Inst{27-20} = 0b00010010;
992 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
993 def BXr9 : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
994 IIC_Br, "mov\tlr, pc\n\tbx\t$func",
995 [(ARMcall_nolink tGPR:$func)]>,
996 Requires<[IsARM, HasV4T, IsDarwin]> {
997 let Inst{7-4} = 0b0001;
998 let Inst{19-8} = 0b111111111111;
999 let Inst{27-20} = 0b00010010;
1003 def BMOVPCRXr9 : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1004 IIC_Br, "mov\tlr, pc\n\tmov\tpc, $func",
1005 [(ARMcall_nolink tGPR:$func)]>,
1006 Requires<[IsARM, NoV4T, IsDarwin]> {
1007 let Inst{11-4} = 0b00000000;
1008 let Inst{15-12} = 0b1111;
1009 let Inst{19-16} = 0b0000;
1010 let Inst{27-20} = 0b00011010;
1014 let isBranch = 1, isTerminator = 1 in {
1015 // B is "predicable" since it can be xformed into a Bcc.
1016 let isBarrier = 1 in {
1017 let isPredicable = 1 in
1018 def B : ABXI<0b1010, (outs), (ins brtarget:$target), IIC_Br,
1019 "b\t$target", [(br bb:$target)]>;
1021 let isNotDuplicable = 1, isIndirectBranch = 1 in {
1022 def BR_JTr : JTI<(outs), (ins GPR:$target, jtblock_operand:$jt, i32imm:$id),
1023 IIC_Br, "mov\tpc, $target \n$jt",
1024 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]> {
1025 let Inst{11-4} = 0b00000000;
1026 let Inst{15-12} = 0b1111;
1027 let Inst{20} = 0; // S Bit
1028 let Inst{24-21} = 0b1101;
1029 let Inst{27-25} = 0b000;
1031 def BR_JTm : JTI<(outs),
1032 (ins addrmode2:$target, jtblock_operand:$jt, i32imm:$id),
1033 IIC_Br, "ldr\tpc, $target \n$jt",
1034 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
1036 let Inst{15-12} = 0b1111;
1037 let Inst{20} = 1; // L bit
1038 let Inst{21} = 0; // W bit
1039 let Inst{22} = 0; // B bit
1040 let Inst{24} = 1; // P bit
1041 let Inst{27-25} = 0b011;
1043 def BR_JTadd : JTI<(outs),
1044 (ins GPR:$target, GPR:$idx, jtblock_operand:$jt, i32imm:$id),
1045 IIC_Br, "add\tpc, $target, $idx \n$jt",
1046 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
1048 let Inst{15-12} = 0b1111;
1049 let Inst{20} = 0; // S bit
1050 let Inst{24-21} = 0b0100;
1051 let Inst{27-25} = 0b000;
1053 } // isNotDuplicable = 1, isIndirectBranch = 1
1056 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
1057 // a two-value operand where a dag node expects two operands. :(
1058 def Bcc : ABI<0b1010, (outs), (ins brtarget:$target),
1059 IIC_Br, "b", "\t$target",
1060 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]>;
1063 // Branch and Exchange Jazelle -- for disassembly only
1064 def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
1065 [/* For disassembly only; pattern left blank */]> {
1066 let Inst{23-20} = 0b0010;
1067 //let Inst{19-8} = 0xfff;
1068 let Inst{7-4} = 0b0010;
1071 // Secure Monitor Call is a system instruction -- for disassembly only
1072 def SMC : ABI<0b0001, (outs), (ins i32imm:$opt), NoItinerary, "smc", "\t$opt",
1073 [/* For disassembly only; pattern left blank */]> {
1074 let Inst{23-20} = 0b0110;
1075 let Inst{7-4} = 0b0111;
1078 // Supervisor Call (Software Interrupt) -- for disassembly only
1080 def SVC : ABI<0b1111, (outs), (ins i32imm:$svc), IIC_Br, "svc", "\t$svc",
1081 [/* For disassembly only; pattern left blank */]>;
1084 // Store Return State is a system instruction -- for disassembly only
1085 def SRSW : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, i32imm:$mode),
1086 NoItinerary, "srs${addr:submode}\tsp!, $mode",
1087 [/* For disassembly only; pattern left blank */]> {
1088 let Inst{31-28} = 0b1111;
1089 let Inst{22-20} = 0b110; // W = 1
1092 def SRS : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, i32imm:$mode),
1093 NoItinerary, "srs${addr:submode}\tsp, $mode",
1094 [/* For disassembly only; pattern left blank */]> {
1095 let Inst{31-28} = 0b1111;
1096 let Inst{22-20} = 0b100; // W = 0
1099 // Return From Exception is a system instruction -- for disassembly only
1100 def RFEW : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, GPR:$base),
1101 NoItinerary, "rfe${addr:submode}\t$base!",
1102 [/* For disassembly only; pattern left blank */]> {
1103 let Inst{31-28} = 0b1111;
1104 let Inst{22-20} = 0b011; // W = 1
1107 def RFE : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, GPR:$base),
1108 NoItinerary, "rfe${addr:submode}\t$base",
1109 [/* For disassembly only; pattern left blank */]> {
1110 let Inst{31-28} = 0b1111;
1111 let Inst{22-20} = 0b001; // W = 0
1114 //===----------------------------------------------------------------------===//
1115 // Load / store Instructions.
1119 let canFoldAsLoad = 1, isReMaterializable = 1 in
1120 def LDR : AI2ldw<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm, IIC_iLoadr,
1121 "ldr", "\t$dst, $addr",
1122 [(set GPR:$dst, (load addrmode2:$addr))]>;
1124 // Special LDR for loads from non-pc-relative constpools.
1125 let canFoldAsLoad = 1, mayLoad = 1, isReMaterializable = 1 in
1126 def LDRcp : AI2ldw<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm, IIC_iLoadr,
1127 "ldr", "\t$dst, $addr", []>;
1129 // Loads with zero extension
1130 def LDRH : AI3ldh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
1131 IIC_iLoadr, "ldrh", "\t$dst, $addr",
1132 [(set GPR:$dst, (zextloadi16 addrmode3:$addr))]>;
1134 def LDRB : AI2ldb<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm,
1135 IIC_iLoadr, "ldrb", "\t$dst, $addr",
1136 [(set GPR:$dst, (zextloadi8 addrmode2:$addr))]>;
1138 // Loads with sign extension
1139 def LDRSH : AI3ldsh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
1140 IIC_iLoadr, "ldrsh", "\t$dst, $addr",
1141 [(set GPR:$dst, (sextloadi16 addrmode3:$addr))]>;
1143 def LDRSB : AI3ldsb<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
1144 IIC_iLoadr, "ldrsb", "\t$dst, $addr",
1145 [(set GPR:$dst, (sextloadi8 addrmode3:$addr))]>;
1147 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in {
1149 def LDRD : AI3ldd<(outs GPR:$dst1, GPR:$dst2), (ins addrmode3:$addr), LdMiscFrm,
1150 IIC_iLoadr, "ldrd", "\t$dst1, $addr",
1151 []>, Requires<[IsARM, HasV5TE]>;
1154 def LDR_PRE : AI2ldwpr<(outs GPR:$dst, GPR:$base_wb),
1155 (ins addrmode2:$addr), LdFrm, IIC_iLoadru,
1156 "ldr", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1158 def LDR_POST : AI2ldwpo<(outs GPR:$dst, GPR:$base_wb),
1159 (ins GPR:$base, am2offset:$offset), LdFrm, IIC_iLoadru,
1160 "ldr", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1162 def LDRH_PRE : AI3ldhpr<(outs GPR:$dst, GPR:$base_wb),
1163 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadru,
1164 "ldrh", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1166 def LDRH_POST : AI3ldhpo<(outs GPR:$dst, GPR:$base_wb),
1167 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1168 "ldrh", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1170 def LDRB_PRE : AI2ldbpr<(outs GPR:$dst, GPR:$base_wb),
1171 (ins addrmode2:$addr), LdFrm, IIC_iLoadru,
1172 "ldrb", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1174 def LDRB_POST : AI2ldbpo<(outs GPR:$dst, GPR:$base_wb),
1175 (ins GPR:$base,am2offset:$offset), LdFrm, IIC_iLoadru,
1176 "ldrb", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1178 def LDRSH_PRE : AI3ldshpr<(outs GPR:$dst, GPR:$base_wb),
1179 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadru,
1180 "ldrsh", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1182 def LDRSH_POST: AI3ldshpo<(outs GPR:$dst, GPR:$base_wb),
1183 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1184 "ldrsh", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1186 def LDRSB_PRE : AI3ldsbpr<(outs GPR:$dst, GPR:$base_wb),
1187 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadru,
1188 "ldrsb", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1190 def LDRSB_POST: AI3ldsbpo<(outs GPR:$dst, GPR:$base_wb),
1191 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1192 "ldrsb", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1194 // For disassembly only
1195 def LDRD_PRE : AI3lddpr<(outs GPR:$dst1, GPR:$dst2, GPR:$base_wb),
1196 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadr,
1197 "ldrd", "\t$dst1, $dst2, $addr!", "$addr.base = $base_wb", []>,
1198 Requires<[IsARM, HasV5TE]>;
1200 // For disassembly only
1201 def LDRD_POST : AI3lddpo<(outs GPR:$dst1, GPR:$dst2, GPR:$base_wb),
1202 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadr,
1203 "ldrd", "\t$dst1, $dst2, [$base], $offset", "$base = $base_wb", []>,
1204 Requires<[IsARM, HasV5TE]>;
1208 // LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT are for disassembly only.
1210 def LDRT : AI2ldwpo<(outs GPR:$dst, GPR:$base_wb),
1211 (ins GPR:$base, am2offset:$offset), LdFrm, IIC_iLoadru,
1212 "ldrt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1213 let Inst{21} = 1; // overwrite
1216 def LDRBT : AI2ldbpo<(outs GPR:$dst, GPR:$base_wb),
1217 (ins GPR:$base,am2offset:$offset), LdFrm, IIC_iLoadru,
1218 "ldrbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1219 let Inst{21} = 1; // overwrite
1222 def LDRSBT : AI3ldsbpo<(outs GPR:$dst, GPR:$base_wb),
1223 (ins GPR:$base,am2offset:$offset), LdMiscFrm, IIC_iLoadru,
1224 "ldrsbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1225 let Inst{21} = 1; // overwrite
1228 def LDRHT : AI3ldhpo<(outs GPR:$dst, GPR:$base_wb),
1229 (ins GPR:$base, am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1230 "ldrht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1231 let Inst{21} = 1; // overwrite
1234 def LDRSHT : AI3ldshpo<(outs GPR:$dst, GPR:$base_wb),
1235 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1236 "ldrsht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1237 let Inst{21} = 1; // overwrite
1241 def STR : AI2stw<(outs), (ins GPR:$src, addrmode2:$addr), StFrm, IIC_iStorer,
1242 "str", "\t$src, $addr",
1243 [(store GPR:$src, addrmode2:$addr)]>;
1245 // Stores with truncate
1246 def STRH : AI3sth<(outs), (ins GPR:$src, addrmode3:$addr), StMiscFrm,
1247 IIC_iStorer, "strh", "\t$src, $addr",
1248 [(truncstorei16 GPR:$src, addrmode3:$addr)]>;
1250 def STRB : AI2stb<(outs), (ins GPR:$src, addrmode2:$addr), StFrm, IIC_iStorer,
1251 "strb", "\t$src, $addr",
1252 [(truncstorei8 GPR:$src, addrmode2:$addr)]>;
1255 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
1256 def STRD : AI3std<(outs), (ins GPR:$src1, GPR:$src2, addrmode3:$addr),
1257 StMiscFrm, IIC_iStorer,
1258 "strd", "\t$src1, $addr", []>, Requires<[IsARM, HasV5TE]>;
1261 def STR_PRE : AI2stwpr<(outs GPR:$base_wb),
1262 (ins GPR:$src, GPR:$base, am2offset:$offset),
1263 StFrm, IIC_iStoreru,
1264 "str", "\t$src, [$base, $offset]!", "$base = $base_wb",
1266 (pre_store GPR:$src, GPR:$base, am2offset:$offset))]>;
1268 def STR_POST : AI2stwpo<(outs GPR:$base_wb),
1269 (ins GPR:$src, GPR:$base,am2offset:$offset),
1270 StFrm, IIC_iStoreru,
1271 "str", "\t$src, [$base], $offset", "$base = $base_wb",
1273 (post_store GPR:$src, GPR:$base, am2offset:$offset))]>;
1275 def STRH_PRE : AI3sthpr<(outs GPR:$base_wb),
1276 (ins GPR:$src, GPR:$base,am3offset:$offset),
1277 StMiscFrm, IIC_iStoreru,
1278 "strh", "\t$src, [$base, $offset]!", "$base = $base_wb",
1280 (pre_truncsti16 GPR:$src, GPR:$base,am3offset:$offset))]>;
1282 def STRH_POST: AI3sthpo<(outs GPR:$base_wb),
1283 (ins GPR:$src, GPR:$base,am3offset:$offset),
1284 StMiscFrm, IIC_iStoreru,
1285 "strh", "\t$src, [$base], $offset", "$base = $base_wb",
1286 [(set GPR:$base_wb, (post_truncsti16 GPR:$src,
1287 GPR:$base, am3offset:$offset))]>;
1289 def STRB_PRE : AI2stbpr<(outs GPR:$base_wb),
1290 (ins GPR:$src, GPR:$base,am2offset:$offset),
1291 StFrm, IIC_iStoreru,
1292 "strb", "\t$src, [$base, $offset]!", "$base = $base_wb",
1293 [(set GPR:$base_wb, (pre_truncsti8 GPR:$src,
1294 GPR:$base, am2offset:$offset))]>;
1296 def STRB_POST: AI2stbpo<(outs GPR:$base_wb),
1297 (ins GPR:$src, GPR:$base,am2offset:$offset),
1298 StFrm, IIC_iStoreru,
1299 "strb", "\t$src, [$base], $offset", "$base = $base_wb",
1300 [(set GPR:$base_wb, (post_truncsti8 GPR:$src,
1301 GPR:$base, am2offset:$offset))]>;
1303 // For disassembly only
1304 def STRD_PRE : AI3stdpr<(outs GPR:$base_wb),
1305 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1306 StMiscFrm, IIC_iStoreru,
1307 "strd", "\t$src1, $src2, [$base, $offset]!",
1308 "$base = $base_wb", []>;
1310 // For disassembly only
1311 def STRD_POST: AI3stdpo<(outs GPR:$base_wb),
1312 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1313 StMiscFrm, IIC_iStoreru,
1314 "strd", "\t$src1, $src2, [$base], $offset",
1315 "$base = $base_wb", []>;
1317 // STRT, STRBT, and STRHT are for disassembly only.
1319 def STRT : AI2stwpo<(outs GPR:$base_wb),
1320 (ins GPR:$src, GPR:$base,am2offset:$offset),
1321 StFrm, IIC_iStoreru,
1322 "strt", "\t$src, [$base], $offset", "$base = $base_wb",
1323 [/* For disassembly only; pattern left blank */]> {
1324 let Inst{21} = 1; // overwrite
1327 def STRBT : AI2stbpo<(outs GPR:$base_wb),
1328 (ins GPR:$src, GPR:$base,am2offset:$offset),
1329 StFrm, IIC_iStoreru,
1330 "strbt", "\t$src, [$base], $offset", "$base = $base_wb",
1331 [/* For disassembly only; pattern left blank */]> {
1332 let Inst{21} = 1; // overwrite
1335 def STRHT: AI3sthpo<(outs GPR:$base_wb),
1336 (ins GPR:$src, GPR:$base,am3offset:$offset),
1337 StMiscFrm, IIC_iStoreru,
1338 "strht", "\t$src, [$base], $offset", "$base = $base_wb",
1339 [/* For disassembly only; pattern left blank */]> {
1340 let Inst{21} = 1; // overwrite
1343 //===----------------------------------------------------------------------===//
1344 // Load / store multiple Instructions.
1347 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
1348 def LDM : AXI4ld<(outs),
1349 (ins addrmode4:$addr, pred:$p, reglist:$wb, variable_ops),
1350 LdStMulFrm, IIC_iLoadm, "ldm${addr:submode}${p}\t$addr, $wb",
1353 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
1354 def STM : AXI4st<(outs),
1355 (ins addrmode4:$addr, pred:$p, reglist:$wb, variable_ops),
1356 LdStMulFrm, IIC_iStorem, "stm${addr:submode}${p}\t$addr, $wb",
1359 //===----------------------------------------------------------------------===//
1360 // Move Instructions.
1363 let neverHasSideEffects = 1 in
1364 def MOVr : AsI1<0b1101, (outs GPR:$dst), (ins GPR:$src), DPFrm, IIC_iMOVr,
1365 "mov", "\t$dst, $src", []>, UnaryDP {
1366 let Inst{11-4} = 0b00000000;
1370 def MOVs : AsI1<0b1101, (outs GPR:$dst), (ins so_reg:$src),
1371 DPSoRegFrm, IIC_iMOVsr,
1372 "mov", "\t$dst, $src", [(set GPR:$dst, so_reg:$src)]>, UnaryDP {
1376 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
1377 def MOVi : AsI1<0b1101, (outs GPR:$dst), (ins so_imm:$src), DPFrm, IIC_iMOVi,
1378 "mov", "\t$dst, $src", [(set GPR:$dst, so_imm:$src)]>, UnaryDP {
1382 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
1383 def MOVi16 : AI1<0b1000, (outs GPR:$dst), (ins i32imm:$src),
1385 "movw", "\t$dst, $src",
1386 [(set GPR:$dst, imm0_65535:$src)]>,
1387 Requires<[IsARM, HasV6T2]>, UnaryDP {
1392 let Constraints = "$src = $dst" in
1393 def MOVTi16 : AI1<0b1010, (outs GPR:$dst), (ins GPR:$src, i32imm:$imm),
1395 "movt", "\t$dst, $imm",
1397 (or (and GPR:$src, 0xffff),
1398 lo16AllZero:$imm))]>, UnaryDP,
1399 Requires<[IsARM, HasV6T2]> {
1404 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
1405 Requires<[IsARM, HasV6T2]>;
1407 let Uses = [CPSR] in
1408 def MOVrx : AsI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo, IIC_iMOVsi,
1409 "mov", "\t$dst, $src, rrx",
1410 [(set GPR:$dst, (ARMrrx GPR:$src))]>, UnaryDP;
1412 // These aren't really mov instructions, but we have to define them this way
1413 // due to flag operands.
1415 let Defs = [CPSR] in {
1416 def MOVsrl_flag : AI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo,
1417 IIC_iMOVsi, "movs", "\t$dst, $src, lsr #1",
1418 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP;
1419 def MOVsra_flag : AI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo,
1420 IIC_iMOVsi, "movs", "\t$dst, $src, asr #1",
1421 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP;
1424 //===----------------------------------------------------------------------===//
1425 // Extend Instructions.
1430 defm SXTB : AI_unary_rrot<0b01101010,
1431 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
1432 defm SXTH : AI_unary_rrot<0b01101011,
1433 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
1435 defm SXTAB : AI_bin_rrot<0b01101010,
1436 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
1437 defm SXTAH : AI_bin_rrot<0b01101011,
1438 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
1440 // For disassembly only
1441 defm SXTB16 : AI_unary_rrot_np<0b01101000, "sxtb16">;
1443 // For disassembly only
1444 defm SXTAB16 : AI_bin_rrot_np<0b01101000, "sxtab16">;
1448 let AddedComplexity = 16 in {
1449 defm UXTB : AI_unary_rrot<0b01101110,
1450 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
1451 defm UXTH : AI_unary_rrot<0b01101111,
1452 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
1453 defm UXTB16 : AI_unary_rrot<0b01101100,
1454 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
1456 def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
1457 (UXTB16r_rot GPR:$Src, 24)>;
1458 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
1459 (UXTB16r_rot GPR:$Src, 8)>;
1461 defm UXTAB : AI_bin_rrot<0b01101110, "uxtab",
1462 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
1463 defm UXTAH : AI_bin_rrot<0b01101111, "uxtah",
1464 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
1467 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
1468 // For disassembly only
1469 defm UXTAB16 : AI_bin_rrot_np<0b01101100, "uxtab16">;
1472 def SBFX : I<(outs GPR:$dst),
1473 (ins GPR:$src, imm0_31:$lsb, imm0_31:$width),
1474 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iALUi,
1475 "sbfx", "\t$dst, $src, $lsb, $width", "", []>,
1476 Requires<[IsARM, HasV6T2]> {
1477 let Inst{27-21} = 0b0111101;
1478 let Inst{6-4} = 0b101;
1481 def UBFX : I<(outs GPR:$dst),
1482 (ins GPR:$src, imm0_31:$lsb, imm0_31:$width),
1483 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iALUi,
1484 "ubfx", "\t$dst, $src, $lsb, $width", "", []>,
1485 Requires<[IsARM, HasV6T2]> {
1486 let Inst{27-21} = 0b0111111;
1487 let Inst{6-4} = 0b101;
1490 //===----------------------------------------------------------------------===//
1491 // Arithmetic Instructions.
1494 defm ADD : AsI1_bin_irs<0b0100, "add",
1495 BinOpFrag<(add node:$LHS, node:$RHS)>, 1>;
1496 defm SUB : AsI1_bin_irs<0b0010, "sub",
1497 BinOpFrag<(sub node:$LHS, node:$RHS)>>;
1499 // ADD and SUB with 's' bit set.
1500 defm ADDS : AI1_bin_s_irs<0b0100, "adds",
1501 BinOpFrag<(addc node:$LHS, node:$RHS)>, 1>;
1502 defm SUBS : AI1_bin_s_irs<0b0010, "subs",
1503 BinOpFrag<(subc node:$LHS, node:$RHS)>>;
1505 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
1506 BinOpFrag<(adde_dead_carry node:$LHS, node:$RHS)>, 1>;
1507 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
1508 BinOpFrag<(sube_dead_carry node:$LHS, node:$RHS)>>;
1509 defm ADCS : AI1_adde_sube_s_irs<0b0101, "adcs",
1510 BinOpFrag<(adde_live_carry node:$LHS, node:$RHS)>, 1>;
1511 defm SBCS : AI1_adde_sube_s_irs<0b0110, "sbcs",
1512 BinOpFrag<(sube_live_carry node:$LHS, node:$RHS) >>;
1514 // These don't define reg/reg forms, because they are handled above.
1515 def RSBri : AsI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
1516 IIC_iALUi, "rsb", "\t$dst, $a, $b",
1517 [(set GPR:$dst, (sub so_imm:$b, GPR:$a))]> {
1521 def RSBrs : AsI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
1522 IIC_iALUsr, "rsb", "\t$dst, $a, $b",
1523 [(set GPR:$dst, (sub so_reg:$b, GPR:$a))]> {
1527 // RSB with 's' bit set.
1528 let Defs = [CPSR] in {
1529 def RSBSri : AI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
1530 IIC_iALUi, "rsbs", "\t$dst, $a, $b",
1531 [(set GPR:$dst, (subc so_imm:$b, GPR:$a))]> {
1535 def RSBSrs : AI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
1536 IIC_iALUsr, "rsbs", "\t$dst, $a, $b",
1537 [(set GPR:$dst, (subc so_reg:$b, GPR:$a))]> {
1543 let Uses = [CPSR] in {
1544 def RSCri : AsI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
1545 DPFrm, IIC_iALUi, "rsc", "\t$dst, $a, $b",
1546 [(set GPR:$dst, (sube_dead_carry so_imm:$b, GPR:$a))]>,
1550 def RSCrs : AsI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
1551 DPSoRegFrm, IIC_iALUsr, "rsc", "\t$dst, $a, $b",
1552 [(set GPR:$dst, (sube_dead_carry so_reg:$b, GPR:$a))]>,
1558 // FIXME: Allow these to be predicated.
1559 let Defs = [CPSR], Uses = [CPSR] in {
1560 def RSCSri : AXI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
1561 DPFrm, IIC_iALUi, "rscs\t$dst, $a, $b",
1562 [(set GPR:$dst, (sube_dead_carry so_imm:$b, GPR:$a))]>,
1567 def RSCSrs : AXI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
1568 DPSoRegFrm, IIC_iALUsr, "rscs\t$dst, $a, $b",
1569 [(set GPR:$dst, (sube_dead_carry so_reg:$b, GPR:$a))]>,
1576 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
1577 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
1578 (SUBri GPR:$src, so_imm_neg:$imm)>;
1580 //def : ARMPat<(addc GPR:$src, so_imm_neg:$imm),
1581 // (SUBSri GPR:$src, so_imm_neg:$imm)>;
1582 //def : ARMPat<(adde GPR:$src, so_imm_neg:$imm),
1583 // (SBCri GPR:$src, so_imm_neg:$imm)>;
1585 // Note: These are implemented in C++ code, because they have to generate
1586 // ADD/SUBrs instructions, which use a complex pattern that a xform function
1588 // (mul X, 2^n+1) -> (add (X << n), X)
1589 // (mul X, 2^n-1) -> (rsb X, (X << n))
1591 // ARM Arithmetic Instruction -- for disassembly only
1592 // GPR:$dst = GPR:$a op GPR:$b
1593 class AAI<bits<8> op27_20, bits<4> op7_4, string opc>
1594 : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm, IIC_iALUr,
1595 opc, "\t$dst, $a, $b",
1596 [/* For disassembly only; pattern left blank */]> {
1597 let Inst{27-20} = op27_20;
1598 let Inst{7-4} = op7_4;
1601 // Saturating add/subtract -- for disassembly only
1603 def QADD : AAI<0b00010000, 0b0101, "qadd">;
1604 def QADD16 : AAI<0b01100010, 0b0001, "qadd16">;
1605 def QADD8 : AAI<0b01100010, 0b1001, "qadd8">;
1606 def QASX : AAI<0b01100010, 0b0011, "qasx">;
1607 def QDADD : AAI<0b00010100, 0b0101, "qdadd">;
1608 def QDSUB : AAI<0b00010110, 0b0101, "qdsub">;
1609 def QSAX : AAI<0b01100010, 0b0101, "qsax">;
1610 def QSUB : AAI<0b00010010, 0b0101, "qsub">;
1611 def QSUB16 : AAI<0b01100010, 0b0111, "qsub16">;
1612 def QSUB8 : AAI<0b01100010, 0b1111, "qsub8">;
1613 def UQADD16 : AAI<0b01100110, 0b0001, "uqadd16">;
1614 def UQADD8 : AAI<0b01100110, 0b1001, "uqadd8">;
1615 def UQASX : AAI<0b01100110, 0b0011, "uqasx">;
1616 def UQSAX : AAI<0b01100110, 0b0101, "uqsax">;
1617 def UQSUB16 : AAI<0b01100110, 0b0111, "uqsub16">;
1618 def UQSUB8 : AAI<0b01100110, 0b1111, "uqsub8">;
1620 // Signed/Unsigned add/subtract -- for disassembly only
1622 def SASX : AAI<0b01100001, 0b0011, "sasx">;
1623 def SADD16 : AAI<0b01100001, 0b0001, "sadd16">;
1624 def SADD8 : AAI<0b01100001, 0b1001, "sadd8">;
1625 def SSAX : AAI<0b01100001, 0b0101, "ssax">;
1626 def SSUB16 : AAI<0b01100001, 0b0111, "ssub16">;
1627 def SSUB8 : AAI<0b01100001, 0b1111, "ssub8">;
1628 def UASX : AAI<0b01100101, 0b0011, "uasx">;
1629 def UADD16 : AAI<0b01100101, 0b0001, "uadd16">;
1630 def UADD8 : AAI<0b01100101, 0b1001, "uadd8">;
1631 def USAX : AAI<0b01100101, 0b0101, "usax">;
1632 def USUB16 : AAI<0b01100101, 0b0111, "usub16">;
1633 def USUB8 : AAI<0b01100101, 0b1111, "usub8">;
1635 // Signed/Unsigned halving add/subtract -- for disassembly only
1637 def SHASX : AAI<0b01100011, 0b0011, "shasx">;
1638 def SHADD16 : AAI<0b01100011, 0b0001, "shadd16">;
1639 def SHADD8 : AAI<0b01100011, 0b1001, "shadd8">;
1640 def SHSAX : AAI<0b01100011, 0b0101, "shsax">;
1641 def SHSUB16 : AAI<0b01100011, 0b0111, "shsub16">;
1642 def SHSUB8 : AAI<0b01100011, 0b1111, "shsub8">;
1643 def UHASX : AAI<0b01100111, 0b0011, "uhasx">;
1644 def UHADD16 : AAI<0b01100111, 0b0001, "uhadd16">;
1645 def UHADD8 : AAI<0b01100111, 0b1001, "uhadd8">;
1646 def UHSAX : AAI<0b01100111, 0b0101, "uhsax">;
1647 def UHSUB16 : AAI<0b01100111, 0b0111, "uhsub16">;
1648 def UHSUB8 : AAI<0b01100111, 0b1111, "uhsub8">;
1650 // Unsigned Sum of Absolute Differences [and Accumulate] -- for disassembly only
1652 def USAD8 : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b),
1653 MulFrm /* for convenience */, NoItinerary, "usad8",
1654 "\t$dst, $a, $b", []>,
1655 Requires<[IsARM, HasV6]> {
1656 let Inst{27-20} = 0b01111000;
1657 let Inst{15-12} = 0b1111;
1658 let Inst{7-4} = 0b0001;
1660 def USADA8 : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1661 MulFrm /* for convenience */, NoItinerary, "usada8",
1662 "\t$dst, $a, $b, $acc", []>,
1663 Requires<[IsARM, HasV6]> {
1664 let Inst{27-20} = 0b01111000;
1665 let Inst{7-4} = 0b0001;
1668 // Signed/Unsigned saturate -- for disassembly only
1670 def SSATlsl : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a, i32imm:$shamt),
1671 DPFrm, NoItinerary, "ssat", "\t$dst, $bit_pos, $a, lsl $shamt",
1672 [/* For disassembly only; pattern left blank */]> {
1673 let Inst{27-21} = 0b0110101;
1674 let Inst{6-4} = 0b001;
1677 def SSATasr : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a, i32imm:$shamt),
1678 DPFrm, NoItinerary, "ssat", "\t$dst, $bit_pos, $a, asr $shamt",
1679 [/* For disassembly only; pattern left blank */]> {
1680 let Inst{27-21} = 0b0110101;
1681 let Inst{6-4} = 0b101;
1684 def SSAT16 : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a), DPFrm,
1685 NoItinerary, "ssat16", "\t$dst, $bit_pos, $a",
1686 [/* For disassembly only; pattern left blank */]> {
1687 let Inst{27-20} = 0b01101010;
1688 let Inst{7-4} = 0b0011;
1691 def USATlsl : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a, i32imm:$shamt),
1692 DPFrm, NoItinerary, "usat", "\t$dst, $bit_pos, $a, lsl $shamt",
1693 [/* For disassembly only; pattern left blank */]> {
1694 let Inst{27-21} = 0b0110111;
1695 let Inst{6-4} = 0b001;
1698 def USATasr : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a, i32imm:$shamt),
1699 DPFrm, NoItinerary, "usat", "\t$dst, $bit_pos, $a, asr $shamt",
1700 [/* For disassembly only; pattern left blank */]> {
1701 let Inst{27-21} = 0b0110111;
1702 let Inst{6-4} = 0b101;
1705 def USAT16 : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a), DPFrm,
1706 NoItinerary, "usat16", "\t$dst, $bit_pos, $a",
1707 [/* For disassembly only; pattern left blank */]> {
1708 let Inst{27-20} = 0b01101110;
1709 let Inst{7-4} = 0b0011;
1712 //===----------------------------------------------------------------------===//
1713 // Bitwise Instructions.
1716 defm AND : AsI1_bin_irs<0b0000, "and",
1717 BinOpFrag<(and node:$LHS, node:$RHS)>, 1>;
1718 defm ORR : AsI1_bin_irs<0b1100, "orr",
1719 BinOpFrag<(or node:$LHS, node:$RHS)>, 1>;
1720 defm EOR : AsI1_bin_irs<0b0001, "eor",
1721 BinOpFrag<(xor node:$LHS, node:$RHS)>, 1>;
1722 defm BIC : AsI1_bin_irs<0b1110, "bic",
1723 BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
1725 def BFC : I<(outs GPR:$dst), (ins GPR:$src, bf_inv_mask_imm:$imm),
1726 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
1727 "bfc", "\t$dst, $imm", "$src = $dst",
1728 [(set GPR:$dst, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
1729 Requires<[IsARM, HasV6T2]> {
1730 let Inst{27-21} = 0b0111110;
1731 let Inst{6-0} = 0b0011111;
1734 // A8.6.18 BFI - Bitfield insert (Encoding A1)
1735 // Added for disassembler with the pattern field purposely left blank.
1736 def BFI : I<(outs GPR:$dst), (ins GPR:$src, bf_inv_mask_imm:$imm),
1737 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
1738 "bfi", "\t$dst, $src, $imm", "",
1739 [/* For disassembly only; pattern left blank */]>,
1740 Requires<[IsARM, HasV6T2]> {
1741 let Inst{27-21} = 0b0111110;
1742 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
1745 def MVNr : AsI1<0b1111, (outs GPR:$dst), (ins GPR:$src), DPFrm, IIC_iMOVr,
1746 "mvn", "\t$dst, $src",
1747 [(set GPR:$dst, (not GPR:$src))]>, UnaryDP {
1749 let Inst{11-4} = 0b00000000;
1751 def MVNs : AsI1<0b1111, (outs GPR:$dst), (ins so_reg:$src), DPSoRegFrm,
1752 IIC_iMOVsr, "mvn", "\t$dst, $src",
1753 [(set GPR:$dst, (not so_reg:$src))]>, UnaryDP {
1756 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
1757 def MVNi : AsI1<0b1111, (outs GPR:$dst), (ins so_imm:$imm), DPFrm,
1758 IIC_iMOVi, "mvn", "\t$dst, $imm",
1759 [(set GPR:$dst, so_imm_not:$imm)]>,UnaryDP {
1763 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
1764 (BICri GPR:$src, so_imm_not:$imm)>;
1766 //===----------------------------------------------------------------------===//
1767 // Multiply Instructions.
1770 let isCommutable = 1 in
1771 def MUL : AsMul1I<0b0000000, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1772 IIC_iMUL32, "mul", "\t$dst, $a, $b",
1773 [(set GPR:$dst, (mul GPR:$a, GPR:$b))]>;
1775 def MLA : AsMul1I<0b0000001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1776 IIC_iMAC32, "mla", "\t$dst, $a, $b, $c",
1777 [(set GPR:$dst, (add (mul GPR:$a, GPR:$b), GPR:$c))]>;
1779 def MLS : AMul1I<0b0000011, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1780 IIC_iMAC32, "mls", "\t$dst, $a, $b, $c",
1781 [(set GPR:$dst, (sub GPR:$c, (mul GPR:$a, GPR:$b)))]>,
1782 Requires<[IsARM, HasV6T2]>;
1784 // Extra precision multiplies with low / high results
1785 let neverHasSideEffects = 1 in {
1786 let isCommutable = 1 in {
1787 def SMULL : AsMul1I<0b0000110, (outs GPR:$ldst, GPR:$hdst),
1788 (ins GPR:$a, GPR:$b), IIC_iMUL64,
1789 "smull", "\t$ldst, $hdst, $a, $b", []>;
1791 def UMULL : AsMul1I<0b0000100, (outs GPR:$ldst, GPR:$hdst),
1792 (ins GPR:$a, GPR:$b), IIC_iMUL64,
1793 "umull", "\t$ldst, $hdst, $a, $b", []>;
1796 // Multiply + accumulate
1797 def SMLAL : AsMul1I<0b0000111, (outs GPR:$ldst, GPR:$hdst),
1798 (ins GPR:$a, GPR:$b), IIC_iMAC64,
1799 "smlal", "\t$ldst, $hdst, $a, $b", []>;
1801 def UMLAL : AsMul1I<0b0000101, (outs GPR:$ldst, GPR:$hdst),
1802 (ins GPR:$a, GPR:$b), IIC_iMAC64,
1803 "umlal", "\t$ldst, $hdst, $a, $b", []>;
1805 def UMAAL : AMul1I <0b0000010, (outs GPR:$ldst, GPR:$hdst),
1806 (ins GPR:$a, GPR:$b), IIC_iMAC64,
1807 "umaal", "\t$ldst, $hdst, $a, $b", []>,
1808 Requires<[IsARM, HasV6]>;
1809 } // neverHasSideEffects
1811 // Most significant word multiply
1812 def SMMUL : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1813 IIC_iMUL32, "smmul", "\t$dst, $a, $b",
1814 [(set GPR:$dst, (mulhs GPR:$a, GPR:$b))]>,
1815 Requires<[IsARM, HasV6]> {
1816 let Inst{7-4} = 0b0001;
1817 let Inst{15-12} = 0b1111;
1820 def SMMULR : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1821 IIC_iMUL32, "smmulr", "\t$dst, $a, $b",
1822 [/* For disassembly only; pattern left blank */]>,
1823 Requires<[IsARM, HasV6]> {
1824 let Inst{7-4} = 0b0011; // R = 1
1825 let Inst{15-12} = 0b1111;
1828 def SMMLA : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1829 IIC_iMAC32, "smmla", "\t$dst, $a, $b, $c",
1830 [(set GPR:$dst, (add (mulhs GPR:$a, GPR:$b), GPR:$c))]>,
1831 Requires<[IsARM, HasV6]> {
1832 let Inst{7-4} = 0b0001;
1835 def SMMLAR : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1836 IIC_iMAC32, "smmlar", "\t$dst, $a, $b, $c",
1837 [/* For disassembly only; pattern left blank */]>,
1838 Requires<[IsARM, HasV6]> {
1839 let Inst{7-4} = 0b0011; // R = 1
1842 def SMMLS : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1843 IIC_iMAC32, "smmls", "\t$dst, $a, $b, $c",
1844 [(set GPR:$dst, (sub GPR:$c, (mulhs GPR:$a, GPR:$b)))]>,
1845 Requires<[IsARM, HasV6]> {
1846 let Inst{7-4} = 0b1101;
1849 def SMMLSR : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1850 IIC_iMAC32, "smmlsr", "\t$dst, $a, $b, $c",
1851 [/* For disassembly only; pattern left blank */]>,
1852 Requires<[IsARM, HasV6]> {
1853 let Inst{7-4} = 0b1111; // R = 1
1856 multiclass AI_smul<string opc, PatFrag opnode> {
1857 def BB : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1858 IIC_iMUL32, !strconcat(opc, "bb"), "\t$dst, $a, $b",
1859 [(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16),
1860 (sext_inreg GPR:$b, i16)))]>,
1861 Requires<[IsARM, HasV5TE]> {
1866 def BT : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1867 IIC_iMUL32, !strconcat(opc, "bt"), "\t$dst, $a, $b",
1868 [(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16),
1869 (sra GPR:$b, (i32 16))))]>,
1870 Requires<[IsARM, HasV5TE]> {
1875 def TB : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1876 IIC_iMUL32, !strconcat(opc, "tb"), "\t$dst, $a, $b",
1877 [(set GPR:$dst, (opnode (sra GPR:$a, (i32 16)),
1878 (sext_inreg GPR:$b, i16)))]>,
1879 Requires<[IsARM, HasV5TE]> {
1884 def TT : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1885 IIC_iMUL32, !strconcat(opc, "tt"), "\t$dst, $a, $b",
1886 [(set GPR:$dst, (opnode (sra GPR:$a, (i32 16)),
1887 (sra GPR:$b, (i32 16))))]>,
1888 Requires<[IsARM, HasV5TE]> {
1893 def WB : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1894 IIC_iMUL16, !strconcat(opc, "wb"), "\t$dst, $a, $b",
1895 [(set GPR:$dst, (sra (opnode GPR:$a,
1896 (sext_inreg GPR:$b, i16)), (i32 16)))]>,
1897 Requires<[IsARM, HasV5TE]> {
1902 def WT : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1903 IIC_iMUL16, !strconcat(opc, "wt"), "\t$dst, $a, $b",
1904 [(set GPR:$dst, (sra (opnode GPR:$a,
1905 (sra GPR:$b, (i32 16))), (i32 16)))]>,
1906 Requires<[IsARM, HasV5TE]> {
1913 multiclass AI_smla<string opc, PatFrag opnode> {
1914 def BB : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1915 IIC_iMAC16, !strconcat(opc, "bb"), "\t$dst, $a, $b, $acc",
1916 [(set GPR:$dst, (add GPR:$acc,
1917 (opnode (sext_inreg GPR:$a, i16),
1918 (sext_inreg GPR:$b, i16))))]>,
1919 Requires<[IsARM, HasV5TE]> {
1924 def BT : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1925 IIC_iMAC16, !strconcat(opc, "bt"), "\t$dst, $a, $b, $acc",
1926 [(set GPR:$dst, (add GPR:$acc, (opnode (sext_inreg GPR:$a, i16),
1927 (sra GPR:$b, (i32 16)))))]>,
1928 Requires<[IsARM, HasV5TE]> {
1933 def TB : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1934 IIC_iMAC16, !strconcat(opc, "tb"), "\t$dst, $a, $b, $acc",
1935 [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, (i32 16)),
1936 (sext_inreg GPR:$b, i16))))]>,
1937 Requires<[IsARM, HasV5TE]> {
1942 def TT : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1943 IIC_iMAC16, !strconcat(opc, "tt"), "\t$dst, $a, $b, $acc",
1944 [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, (i32 16)),
1945 (sra GPR:$b, (i32 16)))))]>,
1946 Requires<[IsARM, HasV5TE]> {
1951 def WB : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1952 IIC_iMAC16, !strconcat(opc, "wb"), "\t$dst, $a, $b, $acc",
1953 [(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a,
1954 (sext_inreg GPR:$b, i16)), (i32 16))))]>,
1955 Requires<[IsARM, HasV5TE]> {
1960 def WT : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1961 IIC_iMAC16, !strconcat(opc, "wt"), "\t$dst, $a, $b, $acc",
1962 [(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a,
1963 (sra GPR:$b, (i32 16))), (i32 16))))]>,
1964 Requires<[IsARM, HasV5TE]> {
1970 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
1971 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
1973 // Halfword multiply accumulate long: SMLAL<x><y> -- for disassembly only
1974 def SMLALBB : AMulxyI<0b0001010,(outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
1975 IIC_iMAC64, "smlalbb", "\t$ldst, $hdst, $a, $b",
1976 [/* For disassembly only; pattern left blank */]>,
1977 Requires<[IsARM, HasV5TE]> {
1982 def SMLALBT : AMulxyI<0b0001010,(outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
1983 IIC_iMAC64, "smlalbt", "\t$ldst, $hdst, $a, $b",
1984 [/* For disassembly only; pattern left blank */]>,
1985 Requires<[IsARM, HasV5TE]> {
1990 def SMLALTB : AMulxyI<0b0001010,(outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
1991 IIC_iMAC64, "smlaltb", "\t$ldst, $hdst, $a, $b",
1992 [/* For disassembly only; pattern left blank */]>,
1993 Requires<[IsARM, HasV5TE]> {
1998 def SMLALTT : AMulxyI<0b0001010,(outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
1999 IIC_iMAC64, "smlaltt", "\t$ldst, $hdst, $a, $b",
2000 [/* For disassembly only; pattern left blank */]>,
2001 Requires<[IsARM, HasV5TE]> {
2006 // Helper class for AI_smld -- for disassembly only
2007 class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
2008 InstrItinClass itin, string opc, string asm>
2009 : AI<oops, iops, MulFrm, itin, opc, asm, []>, Requires<[IsARM, HasV6]> {
2014 let Inst{21-20} = 0b00;
2015 let Inst{22} = long;
2016 let Inst{27-23} = 0b01110;
2019 multiclass AI_smld<bit sub, string opc> {
2021 def D : AMulDualI<0, sub, 0, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2022 NoItinerary, !strconcat(opc, "d"), "\t$dst, $a, $b, $acc">;
2024 def DX : AMulDualI<0, sub, 1, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2025 NoItinerary, !strconcat(opc, "dx"), "\t$dst, $a, $b, $acc">;
2027 def LD : AMulDualI<1, sub, 0, (outs GPR:$ldst,GPR:$hdst), (ins GPR:$a,GPR:$b),
2028 NoItinerary, !strconcat(opc, "ld"), "\t$ldst, $hdst, $a, $b">;
2030 def LDX : AMulDualI<1, sub, 1, (outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
2031 NoItinerary, !strconcat(opc, "ldx"),"\t$ldst, $hdst, $a, $b">;
2035 defm SMLA : AI_smld<0, "smla">;
2036 defm SMLS : AI_smld<1, "smls">;
2038 multiclass AI_sdml<bit sub, string opc> {
2040 def D : AMulDualI<0, sub, 0, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2041 NoItinerary, !strconcat(opc, "d"), "\t$dst, $a, $b"> {
2042 let Inst{15-12} = 0b1111;
2045 def DX : AMulDualI<0, sub, 1, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2046 NoItinerary, !strconcat(opc, "dx"), "\t$dst, $a, $b"> {
2047 let Inst{15-12} = 0b1111;
2052 defm SMUA : AI_sdml<0, "smua">;
2053 defm SMUS : AI_sdml<1, "smus">;
2055 //===----------------------------------------------------------------------===//
2056 // Misc. Arithmetic Instructions.
2059 def CLZ : AMiscA1I<0b000010110, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
2060 "clz", "\t$dst, $src",
2061 [(set GPR:$dst, (ctlz GPR:$src))]>, Requires<[IsARM, HasV5T]> {
2062 let Inst{7-4} = 0b0001;
2063 let Inst{11-8} = 0b1111;
2064 let Inst{19-16} = 0b1111;
2067 def RBIT : AMiscA1I<0b01101111, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
2068 "rbit", "\t$dst, $src",
2069 [(set GPR:$dst, (ARMrbit GPR:$src))]>,
2070 Requires<[IsARM, HasV6T2]> {
2071 let Inst{7-4} = 0b0011;
2072 let Inst{11-8} = 0b1111;
2073 let Inst{19-16} = 0b1111;
2076 def REV : AMiscA1I<0b01101011, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
2077 "rev", "\t$dst, $src",
2078 [(set GPR:$dst, (bswap GPR:$src))]>, Requires<[IsARM, HasV6]> {
2079 let Inst{7-4} = 0b0011;
2080 let Inst{11-8} = 0b1111;
2081 let Inst{19-16} = 0b1111;
2084 def REV16 : AMiscA1I<0b01101011, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
2085 "rev16", "\t$dst, $src",
2087 (or (and (srl GPR:$src, (i32 8)), 0xFF),
2088 (or (and (shl GPR:$src, (i32 8)), 0xFF00),
2089 (or (and (srl GPR:$src, (i32 8)), 0xFF0000),
2090 (and (shl GPR:$src, (i32 8)), 0xFF000000)))))]>,
2091 Requires<[IsARM, HasV6]> {
2092 let Inst{7-4} = 0b1011;
2093 let Inst{11-8} = 0b1111;
2094 let Inst{19-16} = 0b1111;
2097 def REVSH : AMiscA1I<0b01101111, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
2098 "revsh", "\t$dst, $src",
2101 (or (srl (and GPR:$src, 0xFF00), (i32 8)),
2102 (shl GPR:$src, (i32 8))), i16))]>,
2103 Requires<[IsARM, HasV6]> {
2104 let Inst{7-4} = 0b1011;
2105 let Inst{11-8} = 0b1111;
2106 let Inst{19-16} = 0b1111;
2109 def PKHBT : AMiscA1I<0b01101000, (outs GPR:$dst),
2110 (ins GPR:$src1, GPR:$src2, i32imm:$shamt),
2111 IIC_iALUsi, "pkhbt", "\t$dst, $src1, $src2, lsl $shamt",
2112 [(set GPR:$dst, (or (and GPR:$src1, 0xFFFF),
2113 (and (shl GPR:$src2, (i32 imm:$shamt)),
2115 Requires<[IsARM, HasV6]> {
2116 let Inst{6-4} = 0b001;
2119 // Alternate cases for PKHBT where identities eliminate some nodes.
2120 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF), (and GPR:$src2, 0xFFFF0000)),
2121 (PKHBT GPR:$src1, GPR:$src2, 0)>;
2122 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF), (shl GPR:$src2, imm16_31:$shamt)),
2123 (PKHBT GPR:$src1, GPR:$src2, imm16_31:$shamt)>;
2126 def PKHTB : AMiscA1I<0b01101000, (outs GPR:$dst),
2127 (ins GPR:$src1, GPR:$src2, i32imm:$shamt),
2128 IIC_iALUsi, "pkhtb", "\t$dst, $src1, $src2, asr $shamt",
2129 [(set GPR:$dst, (or (and GPR:$src1, 0xFFFF0000),
2130 (and (sra GPR:$src2, imm16_31:$shamt),
2131 0xFFFF)))]>, Requires<[IsARM, HasV6]> {
2132 let Inst{6-4} = 0b101;
2135 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
2136 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
2137 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000), (srl GPR:$src2, (i32 16))),
2138 (PKHTB GPR:$src1, GPR:$src2, 16)>;
2139 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000),
2140 (and (srl GPR:$src2, imm1_15:$shamt), 0xFFFF)),
2141 (PKHTB GPR:$src1, GPR:$src2, imm1_15:$shamt)>;
2143 //===----------------------------------------------------------------------===//
2144 // Comparison Instructions...
2147 defm CMP : AI1_cmp_irs<0b1010, "cmp",
2148 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
2149 //FIXME: Disable CMN, as CCodes are backwards from compare expectations
2150 // Compare-to-zero still works out, just not the relationals
2151 //defm CMN : AI1_cmp_irs<0b1011, "cmn",
2152 // BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
2154 // Note that TST/TEQ don't set all the same flags that CMP does!
2155 defm TST : AI1_cmp_irs<0b1000, "tst",
2156 BinOpFrag<(ARMcmpZ (and node:$LHS, node:$RHS), 0)>, 1>;
2157 defm TEQ : AI1_cmp_irs<0b1001, "teq",
2158 BinOpFrag<(ARMcmpZ (xor node:$LHS, node:$RHS), 0)>, 1>;
2160 defm CMPz : AI1_cmp_irs<0b1010, "cmp",
2161 BinOpFrag<(ARMcmpZ node:$LHS, node:$RHS)>>;
2162 defm CMNz : AI1_cmp_irs<0b1011, "cmn",
2163 BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>>;
2165 //def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
2166 // (CMNri GPR:$src, so_imm_neg:$imm)>;
2168 def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
2169 (CMNzri GPR:$src, so_imm_neg:$imm)>;
2172 // Conditional moves
2173 // FIXME: should be able to write a pattern for ARMcmov, but can't use
2174 // a two-value operand where a dag node expects two operands. :(
2175 def MOVCCr : AI1<0b1101, (outs GPR:$dst), (ins GPR:$false, GPR:$true), DPFrm,
2176 IIC_iCMOVr, "mov", "\t$dst, $true",
2177 [/*(set GPR:$dst, (ARMcmov GPR:$false, GPR:$true, imm:$cc, CCR:$ccr))*/]>,
2178 RegConstraint<"$false = $dst">, UnaryDP {
2179 let Inst{11-4} = 0b00000000;
2183 def MOVCCs : AI1<0b1101, (outs GPR:$dst),
2184 (ins GPR:$false, so_reg:$true), DPSoRegFrm, IIC_iCMOVsr,
2185 "mov", "\t$dst, $true",
2186 [/*(set GPR:$dst, (ARMcmov GPR:$false, so_reg:$true, imm:$cc, CCR:$ccr))*/]>,
2187 RegConstraint<"$false = $dst">, UnaryDP {
2191 def MOVCCi : AI1<0b1101, (outs GPR:$dst),
2192 (ins GPR:$false, so_imm:$true), DPFrm, IIC_iCMOVi,
2193 "mov", "\t$dst, $true",
2194 [/*(set GPR:$dst, (ARMcmov GPR:$false, so_imm:$true, imm:$cc, CCR:$ccr))*/]>,
2195 RegConstraint<"$false = $dst">, UnaryDP {
2199 //===----------------------------------------------------------------------===//
2200 // Atomic operations intrinsics
2203 // memory barriers protect the atomic sequences
2204 let hasSideEffects = 1 in {
2205 def Int_MemBarrierV7 : AInoP<(outs), (ins),
2206 Pseudo, NoItinerary,
2208 [(ARMMemBarrierV7)]>,
2209 Requires<[IsARM, HasV7]> {
2210 let Inst{31-4} = 0xf57ff05;
2211 // FIXME: add support for options other than a full system DMB
2212 // See DMB disassembly-only variants below.
2213 let Inst{3-0} = 0b1111;
2216 def Int_SyncBarrierV7 : AInoP<(outs), (ins),
2217 Pseudo, NoItinerary,
2219 [(ARMSyncBarrierV7)]>,
2220 Requires<[IsARM, HasV7]> {
2221 let Inst{31-4} = 0xf57ff04;
2222 // FIXME: add support for options other than a full system DSB
2223 // See DSB disassembly-only variants below.
2224 let Inst{3-0} = 0b1111;
2227 def Int_MemBarrierV6 : AInoP<(outs), (ins GPR:$zero),
2228 Pseudo, NoItinerary,
2229 "mcr", "\tp15, 0, $zero, c7, c10, 5",
2230 [(ARMMemBarrierV6 GPR:$zero)]>,
2231 Requires<[IsARM, HasV6]> {
2232 // FIXME: add support for options other than a full system DMB
2233 // FIXME: add encoding
2236 def Int_SyncBarrierV6 : AInoP<(outs), (ins GPR:$zero),
2237 Pseudo, NoItinerary,
2238 "mcr", "\tp15, 0, $zero, c7, c10, 4",
2239 [(ARMSyncBarrierV6 GPR:$zero)]>,
2240 Requires<[IsARM, HasV6]> {
2241 // FIXME: add support for options other than a full system DSB
2242 // FIXME: add encoding
2246 // Helper class for multiclass MemB -- for disassembly only
2247 class AMBI<string opc, string asm>
2248 : AInoP<(outs), (ins), MiscFrm, NoItinerary, opc, asm,
2249 [/* For disassembly only; pattern left blank */]>,
2250 Requires<[IsARM, HasV7]> {
2251 let Inst{31-20} = 0xf57;
2254 multiclass MemB<bits<4> op7_4, string opc> {
2256 def st : AMBI<opc, "\tst"> {
2257 let Inst{7-4} = op7_4;
2258 let Inst{3-0} = 0b1110;
2261 def ish : AMBI<opc, "\tish"> {
2262 let Inst{7-4} = op7_4;
2263 let Inst{3-0} = 0b1011;
2266 def ishst : AMBI<opc, "\tishst"> {
2267 let Inst{7-4} = op7_4;
2268 let Inst{3-0} = 0b1010;
2271 def nsh : AMBI<opc, "\tnsh"> {
2272 let Inst{7-4} = op7_4;
2273 let Inst{3-0} = 0b0111;
2276 def nshst : AMBI<opc, "\tnshst"> {
2277 let Inst{7-4} = op7_4;
2278 let Inst{3-0} = 0b0110;
2281 def osh : AMBI<opc, "\tosh"> {
2282 let Inst{7-4} = op7_4;
2283 let Inst{3-0} = 0b0011;
2286 def oshst : AMBI<opc, "\toshst"> {
2287 let Inst{7-4} = op7_4;
2288 let Inst{3-0} = 0b0010;
2292 // These DMB variants are for disassembly only.
2293 defm DMB : MemB<0b0101, "dmb">;
2295 // These DSB variants are for disassembly only.
2296 defm DSB : MemB<0b0100, "dsb">;
2298 // ISB has only full system option -- for disassembly only
2299 def ISBsy : AMBI<"isb", ""> {
2300 let Inst{7-4} = 0b0110;
2301 let Inst{3-0} = 0b1111;
2304 let usesCustomInserter = 1 in {
2305 let Uses = [CPSR] in {
2306 def ATOMIC_LOAD_ADD_I8 : PseudoInst<
2307 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2308 "${:comment} ATOMIC_LOAD_ADD_I8 PSEUDO!",
2309 [(set GPR:$dst, (atomic_load_add_8 GPR:$ptr, GPR:$incr))]>;
2310 def ATOMIC_LOAD_SUB_I8 : PseudoInst<
2311 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2312 "${:comment} ATOMIC_LOAD_SUB_I8 PSEUDO!",
2313 [(set GPR:$dst, (atomic_load_sub_8 GPR:$ptr, GPR:$incr))]>;
2314 def ATOMIC_LOAD_AND_I8 : PseudoInst<
2315 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2316 "${:comment} ATOMIC_LOAD_AND_I8 PSEUDO!",
2317 [(set GPR:$dst, (atomic_load_and_8 GPR:$ptr, GPR:$incr))]>;
2318 def ATOMIC_LOAD_OR_I8 : PseudoInst<
2319 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2320 "${:comment} ATOMIC_LOAD_OR_I8 PSEUDO!",
2321 [(set GPR:$dst, (atomic_load_or_8 GPR:$ptr, GPR:$incr))]>;
2322 def ATOMIC_LOAD_XOR_I8 : PseudoInst<
2323 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2324 "${:comment} ATOMIC_LOAD_XOR_I8 PSEUDO!",
2325 [(set GPR:$dst, (atomic_load_xor_8 GPR:$ptr, GPR:$incr))]>;
2326 def ATOMIC_LOAD_NAND_I8 : PseudoInst<
2327 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2328 "${:comment} ATOMIC_LOAD_NAND_I8 PSEUDO!",
2329 [(set GPR:$dst, (atomic_load_nand_8 GPR:$ptr, GPR:$incr))]>;
2330 def ATOMIC_LOAD_ADD_I16 : PseudoInst<
2331 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2332 "${:comment} ATOMIC_LOAD_ADD_I16 PSEUDO!",
2333 [(set GPR:$dst, (atomic_load_add_16 GPR:$ptr, GPR:$incr))]>;
2334 def ATOMIC_LOAD_SUB_I16 : PseudoInst<
2335 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2336 "${:comment} ATOMIC_LOAD_SUB_I16 PSEUDO!",
2337 [(set GPR:$dst, (atomic_load_sub_16 GPR:$ptr, GPR:$incr))]>;
2338 def ATOMIC_LOAD_AND_I16 : PseudoInst<
2339 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2340 "${:comment} ATOMIC_LOAD_AND_I16 PSEUDO!",
2341 [(set GPR:$dst, (atomic_load_and_16 GPR:$ptr, GPR:$incr))]>;
2342 def ATOMIC_LOAD_OR_I16 : PseudoInst<
2343 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2344 "${:comment} ATOMIC_LOAD_OR_I16 PSEUDO!",
2345 [(set GPR:$dst, (atomic_load_or_16 GPR:$ptr, GPR:$incr))]>;
2346 def ATOMIC_LOAD_XOR_I16 : PseudoInst<
2347 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2348 "${:comment} ATOMIC_LOAD_XOR_I16 PSEUDO!",
2349 [(set GPR:$dst, (atomic_load_xor_16 GPR:$ptr, GPR:$incr))]>;
2350 def ATOMIC_LOAD_NAND_I16 : PseudoInst<
2351 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2352 "${:comment} ATOMIC_LOAD_NAND_I16 PSEUDO!",
2353 [(set GPR:$dst, (atomic_load_nand_16 GPR:$ptr, GPR:$incr))]>;
2354 def ATOMIC_LOAD_ADD_I32 : PseudoInst<
2355 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2356 "${:comment} ATOMIC_LOAD_ADD_I32 PSEUDO!",
2357 [(set GPR:$dst, (atomic_load_add_32 GPR:$ptr, GPR:$incr))]>;
2358 def ATOMIC_LOAD_SUB_I32 : PseudoInst<
2359 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2360 "${:comment} ATOMIC_LOAD_SUB_I32 PSEUDO!",
2361 [(set GPR:$dst, (atomic_load_sub_32 GPR:$ptr, GPR:$incr))]>;
2362 def ATOMIC_LOAD_AND_I32 : PseudoInst<
2363 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2364 "${:comment} ATOMIC_LOAD_AND_I32 PSEUDO!",
2365 [(set GPR:$dst, (atomic_load_and_32 GPR:$ptr, GPR:$incr))]>;
2366 def ATOMIC_LOAD_OR_I32 : PseudoInst<
2367 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2368 "${:comment} ATOMIC_LOAD_OR_I32 PSEUDO!",
2369 [(set GPR:$dst, (atomic_load_or_32 GPR:$ptr, GPR:$incr))]>;
2370 def ATOMIC_LOAD_XOR_I32 : PseudoInst<
2371 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2372 "${:comment} ATOMIC_LOAD_XOR_I32 PSEUDO!",
2373 [(set GPR:$dst, (atomic_load_xor_32 GPR:$ptr, GPR:$incr))]>;
2374 def ATOMIC_LOAD_NAND_I32 : PseudoInst<
2375 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2376 "${:comment} ATOMIC_LOAD_NAND_I32 PSEUDO!",
2377 [(set GPR:$dst, (atomic_load_nand_32 GPR:$ptr, GPR:$incr))]>;
2379 def ATOMIC_SWAP_I8 : PseudoInst<
2380 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
2381 "${:comment} ATOMIC_SWAP_I8 PSEUDO!",
2382 [(set GPR:$dst, (atomic_swap_8 GPR:$ptr, GPR:$new))]>;
2383 def ATOMIC_SWAP_I16 : PseudoInst<
2384 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
2385 "${:comment} ATOMIC_SWAP_I16 PSEUDO!",
2386 [(set GPR:$dst, (atomic_swap_16 GPR:$ptr, GPR:$new))]>;
2387 def ATOMIC_SWAP_I32 : PseudoInst<
2388 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
2389 "${:comment} ATOMIC_SWAP_I32 PSEUDO!",
2390 [(set GPR:$dst, (atomic_swap_32 GPR:$ptr, GPR:$new))]>;
2392 def ATOMIC_CMP_SWAP_I8 : PseudoInst<
2393 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
2394 "${:comment} ATOMIC_CMP_SWAP_I8 PSEUDO!",
2395 [(set GPR:$dst, (atomic_cmp_swap_8 GPR:$ptr, GPR:$old, GPR:$new))]>;
2396 def ATOMIC_CMP_SWAP_I16 : PseudoInst<
2397 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
2398 "${:comment} ATOMIC_CMP_SWAP_I16 PSEUDO!",
2399 [(set GPR:$dst, (atomic_cmp_swap_16 GPR:$ptr, GPR:$old, GPR:$new))]>;
2400 def ATOMIC_CMP_SWAP_I32 : PseudoInst<
2401 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
2402 "${:comment} ATOMIC_CMP_SWAP_I32 PSEUDO!",
2403 [(set GPR:$dst, (atomic_cmp_swap_32 GPR:$ptr, GPR:$old, GPR:$new))]>;
2407 let mayLoad = 1 in {
2408 def LDREXB : AIldrex<0b10, (outs GPR:$dest), (ins GPR:$ptr), NoItinerary,
2409 "ldrexb", "\t$dest, [$ptr]",
2411 def LDREXH : AIldrex<0b11, (outs GPR:$dest), (ins GPR:$ptr), NoItinerary,
2412 "ldrexh", "\t$dest, [$ptr]",
2414 def LDREX : AIldrex<0b00, (outs GPR:$dest), (ins GPR:$ptr), NoItinerary,
2415 "ldrex", "\t$dest, [$ptr]",
2417 def LDREXD : AIldrex<0b01, (outs GPR:$dest, GPR:$dest2), (ins GPR:$ptr),
2419 "ldrexd", "\t$dest, $dest2, [$ptr]",
2423 let mayStore = 1, Constraints = "@earlyclobber $success" in {
2424 def STREXB : AIstrex<0b10, (outs GPR:$success), (ins GPR:$src, GPR:$ptr),
2426 "strexb", "\t$success, $src, [$ptr]",
2428 def STREXH : AIstrex<0b11, (outs GPR:$success), (ins GPR:$src, GPR:$ptr),
2430 "strexh", "\t$success, $src, [$ptr]",
2432 def STREX : AIstrex<0b00, (outs GPR:$success), (ins GPR:$src, GPR:$ptr),
2434 "strex", "\t$success, $src, [$ptr]",
2436 def STREXD : AIstrex<0b01, (outs GPR:$success),
2437 (ins GPR:$src, GPR:$src2, GPR:$ptr),
2439 "strexd", "\t$success, $src, $src2, [$ptr]",
2443 // Clear-Exclusive is for disassembly only.
2444 def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex",
2445 [/* For disassembly only; pattern left blank */]>,
2446 Requires<[IsARM, HasV7]> {
2447 let Inst{31-20} = 0xf57;
2448 let Inst{7-4} = 0b0001;
2451 // SWP/SWPB are deprecated in V6/V7 and for disassembly only.
2452 let mayLoad = 1 in {
2453 def SWP : AI<(outs GPR:$dst), (ins GPR:$src, GPR:$ptr), LdStExFrm, NoItinerary,
2454 "swp", "\t$dst, $src, [$ptr]",
2455 [/* For disassembly only; pattern left blank */]> {
2456 let Inst{27-23} = 0b00010;
2457 let Inst{22} = 0; // B = 0
2458 let Inst{21-20} = 0b00;
2459 let Inst{7-4} = 0b1001;
2462 def SWPB : AI<(outs GPR:$dst), (ins GPR:$src, GPR:$ptr), LdStExFrm, NoItinerary,
2463 "swpb", "\t$dst, $src, [$ptr]",
2464 [/* For disassembly only; pattern left blank */]> {
2465 let Inst{27-23} = 0b00010;
2466 let Inst{22} = 1; // B = 1
2467 let Inst{21-20} = 0b00;
2468 let Inst{7-4} = 0b1001;
2472 //===----------------------------------------------------------------------===//
2476 // __aeabi_read_tp preserves the registers r1-r3.
2478 Defs = [R0, R12, LR, CPSR] in {
2479 def TPsoft : ABXI<0b1011, (outs), (ins), IIC_Br,
2480 "bl\t__aeabi_read_tp",
2481 [(set R0, ARMthread_pointer)]>;
2484 //===----------------------------------------------------------------------===//
2485 // SJLJ Exception handling intrinsics
2486 // eh_sjlj_setjmp() is an instruction sequence to store the return
2487 // address and save #0 in R0 for the non-longjmp case.
2488 // Since by its nature we may be coming from some other function to get
2489 // here, and we're using the stack frame for the containing function to
2490 // save/restore registers, we can't keep anything live in regs across
2491 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
2492 // when we get here from a longjmp(). We force everthing out of registers
2493 // except for our own input by listing the relevant registers in Defs. By
2494 // doing so, we also cause the prologue/epilogue code to actively preserve
2495 // all of the callee-saved resgisters, which is exactly what we want.
2496 // A constant value is passed in $val, and we use the location as a scratch.
2498 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, D0,
2499 D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15,
2500 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26, D27, D28, D29, D30,
2502 def Int_eh_sjlj_setjmp : XI<(outs), (ins GPR:$src, GPR:$val),
2503 AddrModeNone, SizeSpecial, IndexModeNone,
2504 Pseudo, NoItinerary,
2505 "str\tsp, [$src, #+8] @ eh_setjmp begin\n\t"
2506 "add\t$val, pc, #8\n\t"
2507 "str\t$val, [$src, #+4]\n\t"
2509 "add\tpc, pc, #0\n\t"
2510 "mov\tr0, #1 @ eh_setjmp end", "",
2511 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>;
2514 //===----------------------------------------------------------------------===//
2515 // Non-Instruction Patterns
2518 // Large immediate handling.
2520 // Two piece so_imms.
2521 let isReMaterializable = 1 in
2522 def MOVi2pieces : AI1x2<(outs GPR:$dst), (ins so_imm2part:$src),
2524 "mov", "\t$dst, $src",
2525 [(set GPR:$dst, so_imm2part:$src)]>,
2526 Requires<[IsARM, NoV6T2]>;
2528 def : ARMPat<(or GPR:$LHS, so_imm2part:$RHS),
2529 (ORRri (ORRri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
2530 (so_imm2part_2 imm:$RHS))>;
2531 def : ARMPat<(xor GPR:$LHS, so_imm2part:$RHS),
2532 (EORri (EORri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
2533 (so_imm2part_2 imm:$RHS))>;
2534 def : ARMPat<(add GPR:$LHS, so_imm2part:$RHS),
2535 (ADDri (ADDri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
2536 (so_imm2part_2 imm:$RHS))>;
2537 def : ARMPat<(add GPR:$LHS, so_neg_imm2part:$RHS),
2538 (SUBri (SUBri GPR:$LHS, (so_neg_imm2part_1 imm:$RHS)),
2539 (so_neg_imm2part_2 imm:$RHS))>;
2541 // 32-bit immediate using movw + movt.
2542 // This is a single pseudo instruction, the benefit is that it can be remat'd
2543 // as a single unit instead of having to handle reg inputs.
2544 // FIXME: Remove this when we can do generalized remat.
2545 let isReMaterializable = 1 in
2546 def MOVi32imm : AI1x2<(outs GPR:$dst), (ins i32imm:$src), Pseudo, IIC_iMOVi,
2547 "movw", "\t$dst, ${src:lo16}\n\tmovt${p}\t$dst, ${src:hi16}",
2548 [(set GPR:$dst, (i32 imm:$src))]>,
2549 Requires<[IsARM, HasV6T2]>;
2551 // ConstantPool, GlobalAddress, and JumpTable
2552 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>,
2553 Requires<[IsARM, DontUseMovt]>;
2554 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
2555 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
2556 Requires<[IsARM, UseMovt]>;
2557 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
2558 (LEApcrelJT tjumptable:$dst, imm:$id)>;
2560 // TODO: add,sub,and, 3-instr forms?
2564 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>,
2565 Requires<[IsARM, IsNotDarwin]>;
2566 def : ARMPat<(ARMcall texternalsym:$func), (BLr9 texternalsym:$func)>,
2567 Requires<[IsARM, IsDarwin]>;
2569 // zextload i1 -> zextload i8
2570 def : ARMPat<(zextloadi1 addrmode2:$addr), (LDRB addrmode2:$addr)>;
2572 // extload -> zextload
2573 def : ARMPat<(extloadi1 addrmode2:$addr), (LDRB addrmode2:$addr)>;
2574 def : ARMPat<(extloadi8 addrmode2:$addr), (LDRB addrmode2:$addr)>;
2575 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
2577 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
2578 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
2581 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
2582 (sra (shl GPR:$b, (i32 16)), (i32 16))),
2583 (SMULBB GPR:$a, GPR:$b)>;
2584 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
2585 (SMULBB GPR:$a, GPR:$b)>;
2586 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
2587 (sra GPR:$b, (i32 16))),
2588 (SMULBT GPR:$a, GPR:$b)>;
2589 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
2590 (SMULBT GPR:$a, GPR:$b)>;
2591 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
2592 (sra (shl GPR:$b, (i32 16)), (i32 16))),
2593 (SMULTB GPR:$a, GPR:$b)>;
2594 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
2595 (SMULTB GPR:$a, GPR:$b)>;
2596 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
2598 (SMULWB GPR:$a, GPR:$b)>;
2599 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
2600 (SMULWB GPR:$a, GPR:$b)>;
2602 def : ARMV5TEPat<(add GPR:$acc,
2603 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
2604 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
2605 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
2606 def : ARMV5TEPat<(add GPR:$acc,
2607 (mul sext_16_node:$a, sext_16_node:$b)),
2608 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
2609 def : ARMV5TEPat<(add GPR:$acc,
2610 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
2611 (sra GPR:$b, (i32 16)))),
2612 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
2613 def : ARMV5TEPat<(add GPR:$acc,
2614 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
2615 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
2616 def : ARMV5TEPat<(add GPR:$acc,
2617 (mul (sra GPR:$a, (i32 16)),
2618 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
2619 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
2620 def : ARMV5TEPat<(add GPR:$acc,
2621 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
2622 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
2623 def : ARMV5TEPat<(add GPR:$acc,
2624 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
2626 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
2627 def : ARMV5TEPat<(add GPR:$acc,
2628 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
2629 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
2631 //===----------------------------------------------------------------------===//
2635 include "ARMInstrThumb.td"
2637 //===----------------------------------------------------------------------===//
2641 include "ARMInstrThumb2.td"
2643 //===----------------------------------------------------------------------===//
2644 // Floating Point Support
2647 include "ARMInstrVFP.td"
2649 //===----------------------------------------------------------------------===//
2650 // Advanced SIMD (NEON) Support
2653 include "ARMInstrNEON.td"
2655 //===----------------------------------------------------------------------===//
2656 // Coprocessor Instructions. For disassembly only.
2659 def CDP : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2660 nohash_imm:$CRd, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2661 NoItinerary, "cdp", "\tp$cop, $opc1, cr$CRd, cr$CRn, cr$CRm, $opc2",
2662 [/* For disassembly only; pattern left blank */]> {
2666 def CDP2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2667 nohash_imm:$CRd, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2668 NoItinerary, "cdp2\tp$cop, $opc1, cr$CRd, cr$CRn, cr$CRm, $opc2",
2669 [/* For disassembly only; pattern left blank */]> {
2670 let Inst{31-28} = 0b1111;
2674 class ACI<dag oops, dag iops, string opc, string asm>
2675 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, BrFrm, NoItinerary,
2676 opc, asm, "", [/* For disassembly only; pattern left blank */]> {
2677 let Inst{27-25} = 0b110;
2680 multiclass LdStCop<bits<4> op31_28, bit load, string opc> {
2682 def _OFFSET : ACI<(outs),
2683 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
2684 opc, "\tp$cop, cr$CRd, $addr"> {
2685 let Inst{31-28} = op31_28;
2686 let Inst{24} = 1; // P = 1
2687 let Inst{21} = 0; // W = 0
2688 let Inst{22} = 0; // D = 0
2689 let Inst{20} = load;
2692 def _PRE : ACI<(outs),
2693 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
2694 opc, "\tp$cop, cr$CRd, $addr!"> {
2695 let Inst{31-28} = op31_28;
2696 let Inst{24} = 1; // P = 1
2697 let Inst{21} = 1; // W = 1
2698 let Inst{22} = 0; // D = 0
2699 let Inst{20} = load;
2702 def _POST : ACI<(outs),
2703 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
2704 opc, "\tp$cop, cr$CRd, [$base], $offset"> {
2705 let Inst{31-28} = op31_28;
2706 let Inst{24} = 0; // P = 0
2707 let Inst{21} = 1; // W = 1
2708 let Inst{22} = 0; // D = 0
2709 let Inst{20} = load;
2712 def _OPTION : ACI<(outs),
2713 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, i32imm:$option),
2714 opc, "\tp$cop, cr$CRd, [$base], $option"> {
2715 let Inst{31-28} = op31_28;
2716 let Inst{24} = 0; // P = 0
2717 let Inst{23} = 1; // U = 1
2718 let Inst{21} = 0; // W = 0
2719 let Inst{22} = 0; // D = 0
2720 let Inst{20} = load;
2723 def L_OFFSET : ACI<(outs),
2724 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
2725 opc, "l\tp$cop, cr$CRd, $addr"> {
2726 let Inst{31-28} = op31_28;
2727 let Inst{24} = 1; // P = 1
2728 let Inst{21} = 0; // W = 0
2729 let Inst{22} = 1; // D = 1
2730 let Inst{20} = load;
2733 def L_PRE : ACI<(outs),
2734 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
2735 opc, "l\tp$cop, cr$CRd, $addr!"> {
2736 let Inst{31-28} = op31_28;
2737 let Inst{24} = 1; // P = 1
2738 let Inst{21} = 1; // W = 1
2739 let Inst{22} = 1; // D = 1
2740 let Inst{20} = load;
2743 def L_POST : ACI<(outs),
2744 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
2745 opc, "l\tp$cop, cr$CRd, [$base], $offset"> {
2746 let Inst{31-28} = op31_28;
2747 let Inst{24} = 0; // P = 0
2748 let Inst{21} = 1; // W = 1
2749 let Inst{22} = 1; // D = 1
2750 let Inst{20} = load;
2753 def L_OPTION : ACI<(outs),
2754 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, nohash_imm:$option),
2755 opc, "l\tp$cop, cr$CRd, [$base], $option"> {
2756 let Inst{31-28} = op31_28;
2757 let Inst{24} = 0; // P = 0
2758 let Inst{23} = 1; // U = 1
2759 let Inst{21} = 0; // W = 0
2760 let Inst{22} = 1; // D = 1
2761 let Inst{20} = load;
2765 defm LDC : LdStCop<{?,?,?,?}, 1, "ldc">;
2766 defm LDC2 : LdStCop<0b1111, 1, "ldc2">;
2767 defm STC : LdStCop<{?,?,?,?}, 0, "stc">;
2768 defm STC2 : LdStCop<0b1111, 0, "stc2">;
2770 def MCR : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2771 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2772 NoItinerary, "mcr", "\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
2773 [/* For disassembly only; pattern left blank */]> {
2778 def MCR2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2779 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2780 NoItinerary, "mcr2\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
2781 [/* For disassembly only; pattern left blank */]> {
2782 let Inst{31-28} = 0b1111;
2787 def MRC : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2788 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2789 NoItinerary, "mrc", "\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
2790 [/* For disassembly only; pattern left blank */]> {
2795 def MRC2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2796 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2797 NoItinerary, "mrc2\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
2798 [/* For disassembly only; pattern left blank */]> {
2799 let Inst{31-28} = 0b1111;
2804 def MCRR : ABI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
2805 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
2806 NoItinerary, "mcrr", "\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
2807 [/* For disassembly only; pattern left blank */]> {
2808 let Inst{23-20} = 0b0100;
2811 def MCRR2 : ABXI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
2812 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
2813 NoItinerary, "mcrr2\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
2814 [/* For disassembly only; pattern left blank */]> {
2815 let Inst{31-28} = 0b1111;
2816 let Inst{23-20} = 0b0100;
2819 def MRRC : ABI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
2820 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
2821 NoItinerary, "mrrc", "\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
2822 [/* For disassembly only; pattern left blank */]> {
2823 let Inst{23-20} = 0b0101;
2826 def MRRC2 : ABXI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
2827 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
2828 NoItinerary, "mrrc2\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
2829 [/* For disassembly only; pattern left blank */]> {
2830 let Inst{31-28} = 0b1111;
2831 let Inst{23-20} = 0b0101;
2834 //===----------------------------------------------------------------------===//
2835 // Move between special register and ARM core register -- for disassembly only
2838 def MRS : ABI<0b0001,(outs GPR:$dst),(ins), NoItinerary, "mrs", "\t$dst, cpsr",
2839 [/* For disassembly only; pattern left blank */]> {
2840 let Inst{23-20} = 0b0000;
2841 let Inst{7-4} = 0b0000;
2844 def MRSsys : ABI<0b0001,(outs GPR:$dst),(ins), NoItinerary,"mrs","\t$dst, spsr",
2845 [/* For disassembly only; pattern left blank */]> {
2846 let Inst{23-20} = 0b0100;
2847 let Inst{7-4} = 0b0000;
2850 def MSR : ABI<0b0001, (outs), (ins GPR:$src, msr_mask:$mask), NoItinerary,
2851 "msr", "\tcpsr$mask, $src",
2852 [/* For disassembly only; pattern left blank */]> {
2853 let Inst{23-20} = 0b0010;
2854 let Inst{7-4} = 0b0000;
2857 def MSRi : ABI<0b0011, (outs), (ins so_imm:$a, msr_mask:$mask), NoItinerary,
2858 "msr", "\tcpsr$mask, $a",
2859 [/* For disassembly only; pattern left blank */]> {
2860 let Inst{23-20} = 0b0010;
2861 let Inst{7-4} = 0b0000;
2864 def MSRsys : ABI<0b0001, (outs), (ins GPR:$src, msr_mask:$mask), NoItinerary,
2865 "msr", "\tspsr$mask, $src",
2866 [/* For disassembly only; pattern left blank */]> {
2867 let Inst{23-20} = 0b0110;
2868 let Inst{7-4} = 0b0000;
2871 def MSRsysi : ABI<0b0011, (outs), (ins so_imm:$a, msr_mask:$mask), NoItinerary,
2872 "msr", "\tspsr$mask, $a",
2873 [/* For disassembly only; pattern left blank */]> {
2874 let Inst{23-20} = 0b0110;
2875 let Inst{7-4} = 0b0000;