1 //===- ARMInstrInfo.td - Target Description for ARM Target -*- tablegen -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file describes the ARM instructions in TableGen format.
12 //===----------------------------------------------------------------------===//
14 //===----------------------------------------------------------------------===//
15 // ARM specific DAG Nodes.
19 def SDT_ARMCallSeqStart : SDCallSeqStart<[ SDTCisVT<0, i32> ]>;
20 def SDT_ARMCallSeqEnd : SDCallSeqEnd<[ SDTCisVT<0, i32>, SDTCisVT<1, i32> ]>;
22 def SDT_ARMSaveCallPC : SDTypeProfile<0, 1, []>;
24 def SDT_ARMcall : SDTypeProfile<0, -1, [SDTCisInt<0>]>;
26 def SDT_ARMCMov : SDTypeProfile<1, 3,
27 [SDTCisSameAs<0, 1>, SDTCisSameAs<0, 2>,
30 def SDT_ARMBrcond : SDTypeProfile<0, 2,
31 [SDTCisVT<0, OtherVT>, SDTCisVT<1, i32>]>;
33 def SDT_ARMBrJT : SDTypeProfile<0, 3,
34 [SDTCisPtrTy<0>, SDTCisVT<1, i32>,
37 def SDT_ARMBr2JT : SDTypeProfile<0, 4,
38 [SDTCisPtrTy<0>, SDTCisVT<1, i32>,
39 SDTCisVT<2, i32>, SDTCisVT<3, i32>]>;
41 def SDT_ARMCmp : SDTypeProfile<0, 2, [SDTCisSameAs<0, 1>]>;
43 def SDT_ARMPICAdd : SDTypeProfile<1, 2, [SDTCisSameAs<0, 1>,
44 SDTCisPtrTy<1>, SDTCisVT<2, i32>]>;
46 def SDT_ARMThreadPointer : SDTypeProfile<1, 0, [SDTCisPtrTy<0>]>;
47 def SDT_ARMEH_SJLJ_Setjmp : SDTypeProfile<1, 1, [SDTCisInt<0>, SDTCisPtrTy<1>]>;
50 def ARMWrapper : SDNode<"ARMISD::Wrapper", SDTIntUnaryOp>;
51 def ARMWrapperJT : SDNode<"ARMISD::WrapperJT", SDTIntBinOp>;
53 def ARMcallseq_start : SDNode<"ISD::CALLSEQ_START", SDT_ARMCallSeqStart,
54 [SDNPHasChain, SDNPOutFlag]>;
55 def ARMcallseq_end : SDNode<"ISD::CALLSEQ_END", SDT_ARMCallSeqEnd,
56 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
58 def ARMcall : SDNode<"ARMISD::CALL", SDT_ARMcall,
59 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
60 def ARMcall_pred : SDNode<"ARMISD::CALL_PRED", SDT_ARMcall,
61 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
62 def ARMcall_nolink : SDNode<"ARMISD::CALL_NOLINK", SDT_ARMcall,
63 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
65 def ARMretflag : SDNode<"ARMISD::RET_FLAG", SDTNone,
66 [SDNPHasChain, SDNPOptInFlag]>;
68 def ARMcmov : SDNode<"ARMISD::CMOV", SDT_ARMCMov,
70 def ARMcneg : SDNode<"ARMISD::CNEG", SDT_ARMCMov,
73 def ARMbrcond : SDNode<"ARMISD::BRCOND", SDT_ARMBrcond,
74 [SDNPHasChain, SDNPInFlag, SDNPOutFlag]>;
76 def ARMbrjt : SDNode<"ARMISD::BR_JT", SDT_ARMBrJT,
78 def ARMbr2jt : SDNode<"ARMISD::BR2_JT", SDT_ARMBr2JT,
81 def ARMcmp : SDNode<"ARMISD::CMP", SDT_ARMCmp,
84 def ARMcmpZ : SDNode<"ARMISD::CMPZ", SDT_ARMCmp,
85 [SDNPOutFlag,SDNPCommutative]>;
87 def ARMpic_add : SDNode<"ARMISD::PIC_ADD", SDT_ARMPICAdd>;
89 def ARMsrl_flag : SDNode<"ARMISD::SRL_FLAG", SDTIntUnaryOp, [SDNPOutFlag]>;
90 def ARMsra_flag : SDNode<"ARMISD::SRA_FLAG", SDTIntUnaryOp, [SDNPOutFlag]>;
91 def ARMrrx : SDNode<"ARMISD::RRX" , SDTIntUnaryOp, [SDNPInFlag ]>;
93 def ARMthread_pointer: SDNode<"ARMISD::THREAD_POINTER", SDT_ARMThreadPointer>;
94 def ARMeh_sjlj_setjmp: SDNode<"ARMISD::EH_SJLJ_SETJMP", SDT_ARMEH_SJLJ_Setjmp>;
96 //===----------------------------------------------------------------------===//
97 // ARM Instruction Predicate Definitions.
99 def HasV5T : Predicate<"Subtarget->hasV5TOps()">;
100 def HasV5TE : Predicate<"Subtarget->hasV5TEOps()">;
101 def HasV6 : Predicate<"Subtarget->hasV6Ops()">;
102 def HasV6T2 : Predicate<"Subtarget->hasV6T2Ops()">;
103 def NoV6T2 : Predicate<"!Subtarget->hasV6T2Ops()">;
104 def HasV7 : Predicate<"Subtarget->hasV7Ops()">;
105 def HasVFP2 : Predicate<"Subtarget->hasVFP2()">;
106 def HasVFP3 : Predicate<"Subtarget->hasVFP3()">;
107 def HasNEON : Predicate<"Subtarget->hasNEON()">;
108 def UseNEONForFP : Predicate<"Subtarget->useNEONForSinglePrecisionFP()">;
109 def DontUseNEONForFP : Predicate<"!Subtarget->useNEONForSinglePrecisionFP()">;
110 def IsThumb : Predicate<"Subtarget->isThumb()">;
111 def IsThumb1Only : Predicate<"Subtarget->isThumb1Only()">;
112 def IsThumb2 : Predicate<"Subtarget->isThumb2()">;
113 def IsARM : Predicate<"!Subtarget->isThumb()">;
114 def IsDarwin : Predicate<"Subtarget->isTargetDarwin()">;
115 def IsNotDarwin : Predicate<"!Subtarget->isTargetDarwin()">;
116 def CarryDefIsUnused : Predicate<"!N.getNode()->hasAnyUseOfValue(1)">;
117 def CarryDefIsUsed : Predicate<"N.getNode()->hasAnyUseOfValue(1)">;
119 //===----------------------------------------------------------------------===//
120 // ARM Flag Definitions.
122 class RegConstraint<string C> {
123 string Constraints = C;
126 //===----------------------------------------------------------------------===//
127 // ARM specific transformation functions and pattern fragments.
130 // so_imm_neg_XFORM - Return a so_imm value packed into the format described for
131 // so_imm_neg def below.
132 def so_imm_neg_XFORM : SDNodeXForm<imm, [{
133 return CurDAG->getTargetConstant(-(int)N->getZExtValue(), MVT::i32);
136 // so_imm_not_XFORM - Return a so_imm value packed into the format described for
137 // so_imm_not def below.
138 def so_imm_not_XFORM : SDNodeXForm<imm, [{
139 return CurDAG->getTargetConstant(~(int)N->getZExtValue(), MVT::i32);
142 // rot_imm predicate - True if the 32-bit immediate is equal to 8, 16, or 24.
143 def rot_imm : PatLeaf<(i32 imm), [{
144 int32_t v = (int32_t)N->getZExtValue();
145 return v == 8 || v == 16 || v == 24;
148 /// imm1_15 predicate - True if the 32-bit immediate is in the range [1,15].
149 def imm1_15 : PatLeaf<(i32 imm), [{
150 return (int32_t)N->getZExtValue() >= 1 && (int32_t)N->getZExtValue() < 16;
153 /// imm16_31 predicate - True if the 32-bit immediate is in the range [16,31].
154 def imm16_31 : PatLeaf<(i32 imm), [{
155 return (int32_t)N->getZExtValue() >= 16 && (int32_t)N->getZExtValue() < 32;
160 return ARM_AM::getSOImmVal(-(int)N->getZExtValue()) != -1;
161 }], so_imm_neg_XFORM>;
165 return ARM_AM::getSOImmVal(~(int)N->getZExtValue()) != -1;
166 }], so_imm_not_XFORM>;
168 // sext_16_node predicate - True if the SDNode is sign-extended 16 or more bits.
169 def sext_16_node : PatLeaf<(i32 GPR:$a), [{
170 return CurDAG->ComputeNumSignBits(SDValue(N,0)) >= 17;
173 /// bf_inv_mask_imm predicate - An AND mask to clear an arbitrary width bitfield
175 def bf_inv_mask_imm : Operand<i32>,
177 uint32_t v = (uint32_t)N->getZExtValue();
180 // there can be 1's on either or both "outsides", all the "inside"
182 unsigned int lsb = 0, msb = 31;
183 while (v & (1 << msb)) --msb;
184 while (v & (1 << lsb)) ++lsb;
185 for (unsigned int i = lsb; i <= msb; ++i) {
191 let PrintMethod = "printBitfieldInvMaskImmOperand";
194 /// Split a 32-bit immediate into two 16 bit parts.
195 def lo16 : SDNodeXForm<imm, [{
196 return CurDAG->getTargetConstant((uint32_t)N->getZExtValue() & 0xffff,
200 def hi16 : SDNodeXForm<imm, [{
201 return CurDAG->getTargetConstant((uint32_t)N->getZExtValue() >> 16, MVT::i32);
204 def lo16AllZero : PatLeaf<(i32 imm), [{
205 // Returns true if all low 16-bits are 0.
206 return (((uint32_t)N->getZExtValue()) & 0xFFFFUL) == 0;
209 /// imm0_65535 predicate - True if the 32-bit immediate is in the range
211 def imm0_65535 : PatLeaf<(i32 imm), [{
212 return (uint32_t)N->getZExtValue() < 65536;
215 class BinOpFrag<dag res> : PatFrag<(ops node:$LHS, node:$RHS), res>;
216 class UnOpFrag <dag res> : PatFrag<(ops node:$Src), res>;
218 //===----------------------------------------------------------------------===//
219 // Operand Definitions.
223 def brtarget : Operand<OtherVT>;
225 // A list of registers separated by comma. Used by load/store multiple.
226 def reglist : Operand<i32> {
227 let PrintMethod = "printRegisterList";
230 // An operand for the CONSTPOOL_ENTRY pseudo-instruction.
231 def cpinst_operand : Operand<i32> {
232 let PrintMethod = "printCPInstOperand";
235 def jtblock_operand : Operand<i32> {
236 let PrintMethod = "printJTBlockOperand";
238 def jt2block_operand : Operand<i32> {
239 let PrintMethod = "printJT2BlockOperand";
243 def pclabel : Operand<i32> {
244 let PrintMethod = "printPCLabel";
247 // shifter_operand operands: so_reg and so_imm.
248 def so_reg : Operand<i32>, // reg reg imm
249 ComplexPattern<i32, 3, "SelectShifterOperandReg",
250 [shl,srl,sra,rotr]> {
251 let PrintMethod = "printSORegOperand";
252 let MIOperandInfo = (ops GPR, GPR, i32imm);
255 // so_imm - Match a 32-bit shifter_operand immediate operand, which is an
256 // 8-bit immediate rotated by an arbitrary number of bits. so_imm values are
257 // represented in the imm field in the same 12-bit form that they are encoded
258 // into so_imm instructions: the 8-bit immediate is the least significant bits
259 // [bits 0-7], the 4-bit shift amount is the next 4 bits [bits 8-11].
260 def so_imm : Operand<i32>,
262 return ARM_AM::getSOImmVal(N->getZExtValue()) != -1;
264 let PrintMethod = "printSOImmOperand";
267 // Break so_imm's up into two pieces. This handles immediates with up to 16
268 // bits set in them. This uses so_imm2part to match and so_imm2part_[12] to
269 // get the first/second pieces.
270 def so_imm2part : Operand<i32>,
272 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
274 let PrintMethod = "printSOImm2PartOperand";
277 def so_imm2part_1 : SDNodeXForm<imm, [{
278 unsigned V = ARM_AM::getSOImmTwoPartFirst((unsigned)N->getZExtValue());
279 return CurDAG->getTargetConstant(V, MVT::i32);
282 def so_imm2part_2 : SDNodeXForm<imm, [{
283 unsigned V = ARM_AM::getSOImmTwoPartSecond((unsigned)N->getZExtValue());
284 return CurDAG->getTargetConstant(V, MVT::i32);
288 // Define ARM specific addressing modes.
290 // addrmode2 := reg +/- reg shop imm
291 // addrmode2 := reg +/- imm12
293 def addrmode2 : Operand<i32>,
294 ComplexPattern<i32, 3, "SelectAddrMode2", []> {
295 let PrintMethod = "printAddrMode2Operand";
296 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
299 def am2offset : Operand<i32>,
300 ComplexPattern<i32, 2, "SelectAddrMode2Offset", []> {
301 let PrintMethod = "printAddrMode2OffsetOperand";
302 let MIOperandInfo = (ops GPR, i32imm);
305 // addrmode3 := reg +/- reg
306 // addrmode3 := reg +/- imm8
308 def addrmode3 : Operand<i32>,
309 ComplexPattern<i32, 3, "SelectAddrMode3", []> {
310 let PrintMethod = "printAddrMode3Operand";
311 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
314 def am3offset : Operand<i32>,
315 ComplexPattern<i32, 2, "SelectAddrMode3Offset", []> {
316 let PrintMethod = "printAddrMode3OffsetOperand";
317 let MIOperandInfo = (ops GPR, i32imm);
320 // addrmode4 := reg, <mode|W>
322 def addrmode4 : Operand<i32>,
323 ComplexPattern<i32, 2, "SelectAddrMode4", []> {
324 let PrintMethod = "printAddrMode4Operand";
325 let MIOperandInfo = (ops GPR, i32imm);
328 // addrmode5 := reg +/- imm8*4
330 def addrmode5 : Operand<i32>,
331 ComplexPattern<i32, 2, "SelectAddrMode5", []> {
332 let PrintMethod = "printAddrMode5Operand";
333 let MIOperandInfo = (ops GPR, i32imm);
336 // addrmode6 := reg with optional writeback
338 def addrmode6 : Operand<i32>,
339 ComplexPattern<i32, 3, "SelectAddrMode6", []> {
340 let PrintMethod = "printAddrMode6Operand";
341 let MIOperandInfo = (ops GPR:$addr, GPR:$upd, i32imm);
344 // addrmodepc := pc + reg
346 def addrmodepc : Operand<i32>,
347 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
348 let PrintMethod = "printAddrModePCOperand";
349 let MIOperandInfo = (ops GPR, i32imm);
352 def nohash_imm : Operand<i32> {
353 let PrintMethod = "printNoHashImmediate";
356 //===----------------------------------------------------------------------===//
358 include "ARMInstrFormats.td"
360 //===----------------------------------------------------------------------===//
361 // Multiclass helpers...
364 /// AsI1_bin_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns for a
365 /// binop that produces a value.
366 multiclass AsI1_bin_irs<bits<4> opcod, string opc, PatFrag opnode,
367 bit Commutable = 0> {
368 def ri : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
369 IIC_iALUi, opc, " $dst, $a, $b",
370 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]> {
373 def rr : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
374 IIC_iALUr, opc, " $dst, $a, $b",
375 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]> {
377 let isCommutable = Commutable;
379 def rs : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
380 IIC_iALUsr, opc, " $dst, $a, $b",
381 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]> {
386 /// AI1_bin_s_irs - Similar to AsI1_bin_irs except it sets the 's' bit so the
387 /// instruction modifies the CSPR register.
388 let Defs = [CPSR] in {
389 multiclass AI1_bin_s_irs<bits<4> opcod, string opc, PatFrag opnode,
390 bit Commutable = 0> {
391 def ri : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
392 IIC_iALUi, opc, "s $dst, $a, $b",
393 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]> {
396 def rr : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
397 IIC_iALUr, opc, "s $dst, $a, $b",
398 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]> {
399 let isCommutable = Commutable;
402 def rs : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
403 IIC_iALUsr, opc, "s $dst, $a, $b",
404 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]> {
410 /// AI1_cmp_irs - Defines a set of (op r, {so_imm|r|so_reg}) cmp / test
411 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
412 /// a explicit result, only implicitly set CPSR.
413 let Defs = [CPSR] in {
414 multiclass AI1_cmp_irs<bits<4> opcod, string opc, PatFrag opnode,
415 bit Commutable = 0> {
416 def ri : AI1<opcod, (outs), (ins GPR:$a, so_imm:$b), DPFrm, IIC_iCMPi,
418 [(opnode GPR:$a, so_imm:$b)]> {
421 def rr : AI1<opcod, (outs), (ins GPR:$a, GPR:$b), DPFrm, IIC_iCMPr,
423 [(opnode GPR:$a, GPR:$b)]> {
425 let isCommutable = Commutable;
427 def rs : AI1<opcod, (outs), (ins GPR:$a, so_reg:$b), DPSoRegFrm, IIC_iCMPsr,
429 [(opnode GPR:$a, so_reg:$b)]> {
435 /// AI_unary_rrot - A unary operation with two forms: one whose operand is a
436 /// register and one whose operand is a register rotated by 8/16/24.
437 /// FIXME: Remove the 'r' variant. Its rot_imm is zero.
438 multiclass AI_unary_rrot<bits<8> opcod, string opc, PatFrag opnode> {
439 def r : AExtI<opcod, (outs GPR:$dst), (ins GPR:$src),
440 IIC_iUNAr, opc, " $dst, $src",
441 [(set GPR:$dst, (opnode GPR:$src))]>,
442 Requires<[IsARM, HasV6]> {
443 let Inst{19-16} = 0b1111;
445 def r_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$src, i32imm:$rot),
446 IIC_iUNAsi, opc, " $dst, $src, ror $rot",
447 [(set GPR:$dst, (opnode (rotr GPR:$src, rot_imm:$rot)))]>,
448 Requires<[IsARM, HasV6]> {
449 let Inst{19-16} = 0b1111;
453 /// AI_bin_rrot - A binary operation with two forms: one whose operand is a
454 /// register and one whose operand is a register rotated by 8/16/24.
455 multiclass AI_bin_rrot<bits<8> opcod, string opc, PatFrag opnode> {
456 def rr : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS),
457 IIC_iALUr, opc, " $dst, $LHS, $RHS",
458 [(set GPR:$dst, (opnode GPR:$LHS, GPR:$RHS))]>,
459 Requires<[IsARM, HasV6]>;
460 def rr_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS, i32imm:$rot),
461 IIC_iALUsi, opc, " $dst, $LHS, $RHS, ror $rot",
462 [(set GPR:$dst, (opnode GPR:$LHS,
463 (rotr GPR:$RHS, rot_imm:$rot)))]>,
464 Requires<[IsARM, HasV6]>;
467 /// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
468 let Uses = [CPSR] in {
469 multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode,
470 bit Commutable = 0> {
471 def ri : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
472 DPFrm, IIC_iALUi, opc, " $dst, $a, $b",
473 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]>,
474 Requires<[IsARM, CarryDefIsUnused]> {
477 def rr : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
478 DPFrm, IIC_iALUr, opc, " $dst, $a, $b",
479 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]>,
480 Requires<[IsARM, CarryDefIsUnused]> {
481 let isCommutable = Commutable;
484 def rs : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
485 DPSoRegFrm, IIC_iALUsr, opc, " $dst, $a, $b",
486 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]>,
487 Requires<[IsARM, CarryDefIsUnused]> {
490 // Carry setting variants
491 def Sri : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
492 DPFrm, IIC_iALUi, !strconcat(opc, "s $dst, $a, $b"),
493 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]>,
494 Requires<[IsARM, CarryDefIsUsed]> {
498 def Srr : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
499 DPFrm, IIC_iALUr, !strconcat(opc, "s $dst, $a, $b"),
500 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]>,
501 Requires<[IsARM, CarryDefIsUsed]> {
505 def Srs : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
506 DPSoRegFrm, IIC_iALUsr, !strconcat(opc, "s $dst, $a, $b"),
507 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]>,
508 Requires<[IsARM, CarryDefIsUsed]> {
515 //===----------------------------------------------------------------------===//
517 //===----------------------------------------------------------------------===//
519 //===----------------------------------------------------------------------===//
520 // Miscellaneous Instructions.
523 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
524 /// the function. The first operand is the ID# for this instruction, the second
525 /// is the index into the MachineConstantPool that this is, the third is the
526 /// size in bytes of this constant pool entry.
527 let neverHasSideEffects = 1, isNotDuplicable = 1 in
528 def CONSTPOOL_ENTRY :
529 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
530 i32imm:$size), NoItinerary,
531 "${instid:label} ${cpidx:cpentry}", []>;
533 let Defs = [SP], Uses = [SP] in {
535 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary,
536 "@ ADJCALLSTACKUP $amt1",
537 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
539 def ADJCALLSTACKDOWN :
540 PseudoInst<(outs), (ins i32imm:$amt, pred:$p), NoItinerary,
541 "@ ADJCALLSTACKDOWN $amt",
542 [(ARMcallseq_start timm:$amt)]>;
546 PseudoInst<(outs), (ins i32imm:$line, i32imm:$col, i32imm:$file), NoItinerary,
547 ".loc $file, $line, $col",
548 [(dwarf_loc (i32 imm:$line), (i32 imm:$col), (i32 imm:$file))]>;
551 // Address computation and loads and stores in PIC mode.
552 let isNotDuplicable = 1 in {
553 def PICADD : AXI1<0b0100, (outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
554 Pseudo, IIC_iALUr, "\n$cp:\n\tadd$p $dst, pc, $a",
555 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
557 let AddedComplexity = 10 in {
558 let canFoldAsLoad = 1 in
559 def PICLDR : AXI2ldw<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
560 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldr$p $dst, $addr",
561 [(set GPR:$dst, (load addrmodepc:$addr))]>;
563 def PICLDRH : AXI3ldh<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
564 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldr${p}h $dst, $addr",
565 [(set GPR:$dst, (zextloadi16 addrmodepc:$addr))]>;
567 def PICLDRB : AXI2ldb<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
568 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldr${p}b $dst, $addr",
569 [(set GPR:$dst, (zextloadi8 addrmodepc:$addr))]>;
571 def PICLDRSH : AXI3ldsh<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
572 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldr${p}sh $dst, $addr",
573 [(set GPR:$dst, (sextloadi16 addrmodepc:$addr))]>;
575 def PICLDRSB : AXI3ldsb<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
576 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldr${p}sb $dst, $addr",
577 [(set GPR:$dst, (sextloadi8 addrmodepc:$addr))]>;
579 let AddedComplexity = 10 in {
580 def PICSTR : AXI2stw<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
581 Pseudo, IIC_iStorer, "\n${addr:label}:\n\tstr$p $src, $addr",
582 [(store GPR:$src, addrmodepc:$addr)]>;
584 def PICSTRH : AXI3sth<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
585 Pseudo, IIC_iStorer, "\n${addr:label}:\n\tstr${p}h $src, $addr",
586 [(truncstorei16 GPR:$src, addrmodepc:$addr)]>;
588 def PICSTRB : AXI2stb<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
589 Pseudo, IIC_iStorer, "\n${addr:label}:\n\tstr${p}b $src, $addr",
590 [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
592 } // isNotDuplicable = 1
595 // LEApcrel - Load a pc-relative address into a register without offending the
597 def LEApcrel : AXI1<0x0, (outs GPR:$dst), (ins i32imm:$label, pred:$p),
599 !strconcat(!strconcat(".set ${:private}PCRELV${:uid}, ($label-(",
600 "${:private}PCRELL${:uid}+8))\n"),
601 !strconcat("${:private}PCRELL${:uid}:\n\t",
602 "add$p $dst, pc, #${:private}PCRELV${:uid}")),
605 def LEApcrelJT : AXI1<0x0, (outs GPR:$dst),
606 (ins i32imm:$label, nohash_imm:$id, pred:$p),
608 !strconcat(!strconcat(".set ${:private}PCRELV${:uid}, "
610 "${:private}PCRELL${:uid}+8))\n"),
611 !strconcat("${:private}PCRELL${:uid}:\n\t",
612 "add$p $dst, pc, #${:private}PCRELV${:uid}")),
617 //===----------------------------------------------------------------------===//
618 // Control Flow Instructions.
621 let isReturn = 1, isTerminator = 1, isBarrier = 1 in
622 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
623 "bx", " lr", [(ARMretflag)]> {
624 let Inst{7-4} = 0b0001;
625 let Inst{19-8} = 0b111111111111;
626 let Inst{27-20} = 0b00010010;
629 // FIXME: remove when we have a way to marking a MI with these properties.
630 // FIXME: $dst1 should be a def. But the extra ops must be in the end of the
632 // FIXME: Should pc be an implicit operand like PICADD, etc?
633 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1 in
634 def LDM_RET : AXI4ld<(outs),
635 (ins addrmode4:$addr, pred:$p, reglist:$dst1, variable_ops),
636 LdStMulFrm, IIC_Br, "ldm${p}${addr:submode} $addr, $dst1",
639 // On non-Darwin platforms R9 is callee-saved.
641 Defs = [R0, R1, R2, R3, R12, LR,
642 D0, D1, D2, D3, D4, D5, D6, D7,
643 D16, D17, D18, D19, D20, D21, D22, D23,
644 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR] in {
645 def BL : ABXI<0b1011, (outs), (ins i32imm:$func, variable_ops),
646 IIC_Br, "bl ${func:call}",
647 [(ARMcall tglobaladdr:$func)]>,
648 Requires<[IsARM, IsNotDarwin]>;
650 def BL_pred : ABI<0b1011, (outs), (ins i32imm:$func, variable_ops),
651 IIC_Br, "bl", " ${func:call}",
652 [(ARMcall_pred tglobaladdr:$func)]>,
653 Requires<[IsARM, IsNotDarwin]>;
656 def BLX : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
658 [(ARMcall GPR:$func)]>,
659 Requires<[IsARM, HasV5T, IsNotDarwin]> {
660 let Inst{7-4} = 0b0011;
661 let Inst{19-8} = 0b111111111111;
662 let Inst{27-20} = 0b00010010;
666 def BX : ABXIx2<(outs), (ins GPR:$func, variable_ops),
667 IIC_Br, "mov lr, pc\n\tbx $func",
668 [(ARMcall_nolink GPR:$func)]>,
669 Requires<[IsARM, IsNotDarwin]> {
670 let Inst{7-4} = 0b0001;
671 let Inst{19-8} = 0b111111111111;
672 let Inst{27-20} = 0b00010010;
676 // On Darwin R9 is call-clobbered.
678 Defs = [R0, R1, R2, R3, R9, R12, LR,
679 D0, D1, D2, D3, D4, D5, D6, D7,
680 D16, D17, D18, D19, D20, D21, D22, D23,
681 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR] in {
682 def BLr9 : ABXI<0b1011, (outs), (ins i32imm:$func, variable_ops),
683 IIC_Br, "bl ${func:call}",
684 [(ARMcall tglobaladdr:$func)]>, Requires<[IsARM, IsDarwin]>;
686 def BLr9_pred : ABI<0b1011, (outs), (ins i32imm:$func, variable_ops),
687 IIC_Br, "bl", " ${func:call}",
688 [(ARMcall_pred tglobaladdr:$func)]>,
689 Requires<[IsARM, IsDarwin]>;
692 def BLXr9 : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
694 [(ARMcall GPR:$func)]>, Requires<[IsARM, HasV5T, IsDarwin]> {
695 let Inst{7-4} = 0b0011;
696 let Inst{19-8} = 0b111111111111;
697 let Inst{27-20} = 0b00010010;
701 def BXr9 : ABXIx2<(outs), (ins GPR:$func, variable_ops),
702 IIC_Br, "mov lr, pc\n\tbx $func",
703 [(ARMcall_nolink GPR:$func)]>, Requires<[IsARM, IsDarwin]> {
704 let Inst{7-4} = 0b0001;
705 let Inst{19-8} = 0b111111111111;
706 let Inst{27-20} = 0b00010010;
710 let isBranch = 1, isTerminator = 1 in {
711 // B is "predicable" since it can be xformed into a Bcc.
712 let isBarrier = 1 in {
713 let isPredicable = 1 in
714 def B : ABXI<0b1010, (outs), (ins brtarget:$target), IIC_Br,
715 "b $target", [(br bb:$target)]>;
717 let isNotDuplicable = 1, isIndirectBranch = 1 in {
718 def BR_JTr : JTI<(outs), (ins GPR:$target, jtblock_operand:$jt, i32imm:$id),
719 IIC_Br, "mov pc, $target \n$jt",
720 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]> {
721 let Inst{20} = 0; // S Bit
722 let Inst{24-21} = 0b1101;
723 let Inst{27-25} = 0b000;
725 def BR_JTm : JTI<(outs),
726 (ins addrmode2:$target, jtblock_operand:$jt, i32imm:$id),
727 IIC_Br, "ldr pc, $target \n$jt",
728 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
730 let Inst{20} = 1; // L bit
731 let Inst{21} = 0; // W bit
732 let Inst{22} = 0; // B bit
733 let Inst{24} = 1; // P bit
734 let Inst{27-25} = 0b011;
736 def BR_JTadd : JTI<(outs),
737 (ins GPR:$target, GPR:$idx, jtblock_operand:$jt, i32imm:$id),
738 IIC_Br, "add pc, $target, $idx \n$jt",
739 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
741 let Inst{20} = 0; // S bit
742 let Inst{24-21} = 0b0100;
743 let Inst{27-25} = 0b000;
745 } // isNotDuplicable = 1, isIndirectBranch = 1
748 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
749 // a two-value operand where a dag node expects two operands. :(
750 def Bcc : ABI<0b1010, (outs), (ins brtarget:$target),
751 IIC_Br, "b", " $target",
752 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]>;
755 //===----------------------------------------------------------------------===//
756 // Load / store Instructions.
760 let canFoldAsLoad = 1 in
761 def LDR : AI2ldw<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm, IIC_iLoadr,
762 "ldr", " $dst, $addr",
763 [(set GPR:$dst, (load addrmode2:$addr))]>;
765 // Special LDR for loads from non-pc-relative constpools.
766 let canFoldAsLoad = 1, mayLoad = 1, isReMaterializable = 1 in
767 def LDRcp : AI2ldw<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm, IIC_iLoadr,
768 "ldr", " $dst, $addr", []>;
770 // Loads with zero extension
771 def LDRH : AI3ldh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
772 IIC_iLoadr, "ldr", "h $dst, $addr",
773 [(set GPR:$dst, (zextloadi16 addrmode3:$addr))]>;
775 def LDRB : AI2ldb<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm,
776 IIC_iLoadr, "ldr", "b $dst, $addr",
777 [(set GPR:$dst, (zextloadi8 addrmode2:$addr))]>;
779 // Loads with sign extension
780 def LDRSH : AI3ldsh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
781 IIC_iLoadr, "ldr", "sh $dst, $addr",
782 [(set GPR:$dst, (sextloadi16 addrmode3:$addr))]>;
784 def LDRSB : AI3ldsb<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
785 IIC_iLoadr, "ldr", "sb $dst, $addr",
786 [(set GPR:$dst, (sextloadi8 addrmode3:$addr))]>;
790 def LDRD : AI3ldd<(outs GPR:$dst1, GPR:$dst2), (ins addrmode3:$addr), LdMiscFrm,
791 IIC_iLoadr, "ldr", "d $dst1, $addr",
792 []>, Requires<[IsARM, HasV5TE]>;
795 def LDR_PRE : AI2ldwpr<(outs GPR:$dst, GPR:$base_wb),
796 (ins addrmode2:$addr), LdFrm, IIC_iLoadru,
797 "ldr", " $dst, $addr!", "$addr.base = $base_wb", []>;
799 def LDR_POST : AI2ldwpo<(outs GPR:$dst, GPR:$base_wb),
800 (ins GPR:$base, am2offset:$offset), LdFrm, IIC_iLoadru,
801 "ldr", " $dst, [$base], $offset", "$base = $base_wb", []>;
803 def LDRH_PRE : AI3ldhpr<(outs GPR:$dst, GPR:$base_wb),
804 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadru,
805 "ldr", "h $dst, $addr!", "$addr.base = $base_wb", []>;
807 def LDRH_POST : AI3ldhpo<(outs GPR:$dst, GPR:$base_wb),
808 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
809 "ldr", "h $dst, [$base], $offset", "$base = $base_wb", []>;
811 def LDRB_PRE : AI2ldbpr<(outs GPR:$dst, GPR:$base_wb),
812 (ins addrmode2:$addr), LdFrm, IIC_iLoadru,
813 "ldr", "b $dst, $addr!", "$addr.base = $base_wb", []>;
815 def LDRB_POST : AI2ldbpo<(outs GPR:$dst, GPR:$base_wb),
816 (ins GPR:$base,am2offset:$offset), LdFrm, IIC_iLoadru,
817 "ldr", "b $dst, [$base], $offset", "$base = $base_wb", []>;
819 def LDRSH_PRE : AI3ldshpr<(outs GPR:$dst, GPR:$base_wb),
820 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadru,
821 "ldr", "sh $dst, $addr!", "$addr.base = $base_wb", []>;
823 def LDRSH_POST: AI3ldshpo<(outs GPR:$dst, GPR:$base_wb),
824 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
825 "ldr", "sh $dst, [$base], $offset", "$base = $base_wb", []>;
827 def LDRSB_PRE : AI3ldsbpr<(outs GPR:$dst, GPR:$base_wb),
828 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadru,
829 "ldr", "sb $dst, $addr!", "$addr.base = $base_wb", []>;
831 def LDRSB_POST: AI3ldsbpo<(outs GPR:$dst, GPR:$base_wb),
832 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
833 "ldr", "sb $dst, [$base], $offset", "$base = $base_wb", []>;
837 def STR : AI2stw<(outs), (ins GPR:$src, addrmode2:$addr), StFrm, IIC_iStorer,
838 "str", " $src, $addr",
839 [(store GPR:$src, addrmode2:$addr)]>;
841 // Stores with truncate
842 def STRH : AI3sth<(outs), (ins GPR:$src, addrmode3:$addr), StMiscFrm, IIC_iStorer,
843 "str", "h $src, $addr",
844 [(truncstorei16 GPR:$src, addrmode3:$addr)]>;
846 def STRB : AI2stb<(outs), (ins GPR:$src, addrmode2:$addr), StFrm, IIC_iStorer,
847 "str", "b $src, $addr",
848 [(truncstorei8 GPR:$src, addrmode2:$addr)]>;
852 def STRD : AI3std<(outs), (ins GPR:$src1, GPR:$src2, addrmode3:$addr),
853 StMiscFrm, IIC_iStorer,
854 "str", "d $src1, $addr", []>, Requires<[IsARM, HasV5TE]>;
857 def STR_PRE : AI2stwpr<(outs GPR:$base_wb),
858 (ins GPR:$src, GPR:$base, am2offset:$offset),
860 "str", " $src, [$base, $offset]!", "$base = $base_wb",
862 (pre_store GPR:$src, GPR:$base, am2offset:$offset))]>;
864 def STR_POST : AI2stwpo<(outs GPR:$base_wb),
865 (ins GPR:$src, GPR:$base,am2offset:$offset),
867 "str", " $src, [$base], $offset", "$base = $base_wb",
869 (post_store GPR:$src, GPR:$base, am2offset:$offset))]>;
871 def STRH_PRE : AI3sthpr<(outs GPR:$base_wb),
872 (ins GPR:$src, GPR:$base,am3offset:$offset),
873 StMiscFrm, IIC_iStoreru,
874 "str", "h $src, [$base, $offset]!", "$base = $base_wb",
876 (pre_truncsti16 GPR:$src, GPR:$base,am3offset:$offset))]>;
878 def STRH_POST: AI3sthpo<(outs GPR:$base_wb),
879 (ins GPR:$src, GPR:$base,am3offset:$offset),
880 StMiscFrm, IIC_iStoreru,
881 "str", "h $src, [$base], $offset", "$base = $base_wb",
882 [(set GPR:$base_wb, (post_truncsti16 GPR:$src,
883 GPR:$base, am3offset:$offset))]>;
885 def STRB_PRE : AI2stbpr<(outs GPR:$base_wb),
886 (ins GPR:$src, GPR:$base,am2offset:$offset),
888 "str", "b $src, [$base, $offset]!", "$base = $base_wb",
889 [(set GPR:$base_wb, (pre_truncsti8 GPR:$src,
890 GPR:$base, am2offset:$offset))]>;
892 def STRB_POST: AI2stbpo<(outs GPR:$base_wb),
893 (ins GPR:$src, GPR:$base,am2offset:$offset),
895 "str", "b $src, [$base], $offset", "$base = $base_wb",
896 [(set GPR:$base_wb, (post_truncsti8 GPR:$src,
897 GPR:$base, am2offset:$offset))]>;
899 //===----------------------------------------------------------------------===//
900 // Load / store multiple Instructions.
903 // FIXME: $dst1 should be a def.
905 def LDM : AXI4ld<(outs),
906 (ins addrmode4:$addr, pred:$p, reglist:$dst1, variable_ops),
907 LdStMulFrm, IIC_iLoadm, "ldm${p}${addr:submode} $addr, $dst1",
911 def STM : AXI4st<(outs),
912 (ins addrmode4:$addr, pred:$p, reglist:$src1, variable_ops),
913 LdStMulFrm, IIC_iStorem, "stm${p}${addr:submode} $addr, $src1",
916 //===----------------------------------------------------------------------===//
917 // Move Instructions.
920 let neverHasSideEffects = 1 in
921 def MOVr : AsI1<0b1101, (outs GPR:$dst), (ins GPR:$src), DPFrm, IIC_iMOVr,
922 "mov", " $dst, $src", []>, UnaryDP;
923 def MOVs : AsI1<0b1101, (outs GPR:$dst), (ins so_reg:$src),
924 DPSoRegFrm, IIC_iMOVsr,
925 "mov", " $dst, $src", [(set GPR:$dst, so_reg:$src)]>, UnaryDP;
927 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
928 def MOVi : AsI1<0b1101, (outs GPR:$dst), (ins so_imm:$src), DPFrm, IIC_iMOVi,
929 "mov", " $dst, $src", [(set GPR:$dst, so_imm:$src)]>, UnaryDP {
933 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
934 def MOVi16 : AI1<0b1000, (outs GPR:$dst), (ins i32imm:$src),
936 "movw", " $dst, $src",
937 [(set GPR:$dst, imm0_65535:$src)]>,
938 Requires<[IsARM, HasV6T2]> {
942 let Constraints = "$src = $dst" in
943 def MOVTi16 : AI1<0b1010, (outs GPR:$dst), (ins GPR:$src, i32imm:$imm),
945 "movt", " $dst, $imm",
947 (or (and GPR:$src, 0xffff),
948 lo16AllZero:$imm))]>, UnaryDP,
949 Requires<[IsARM, HasV6T2]> {
954 def MOVrx : AsI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo, IIC_iMOVsi,
955 "mov", " $dst, $src, rrx",
956 [(set GPR:$dst, (ARMrrx GPR:$src))]>, UnaryDP;
958 // These aren't really mov instructions, but we have to define them this way
959 // due to flag operands.
961 let Defs = [CPSR] in {
962 def MOVsrl_flag : AI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo,
963 IIC_iMOVsi, "mov", "s $dst, $src, lsr #1",
964 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP;
965 def MOVsra_flag : AI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo,
966 IIC_iMOVsi, "mov", "s $dst, $src, asr #1",
967 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP;
970 //===----------------------------------------------------------------------===//
971 // Extend Instructions.
976 defm SXTB : AI_unary_rrot<0b01101010,
977 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
978 defm SXTH : AI_unary_rrot<0b01101011,
979 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
981 defm SXTAB : AI_bin_rrot<0b01101010,
982 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
983 defm SXTAH : AI_bin_rrot<0b01101011,
984 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
986 // TODO: SXT(A){B|H}16
990 let AddedComplexity = 16 in {
991 defm UXTB : AI_unary_rrot<0b01101110,
992 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
993 defm UXTH : AI_unary_rrot<0b01101111,
994 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
995 defm UXTB16 : AI_unary_rrot<0b01101100,
996 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
998 def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
999 (UXTB16r_rot GPR:$Src, 24)>;
1000 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
1001 (UXTB16r_rot GPR:$Src, 8)>;
1003 defm UXTAB : AI_bin_rrot<0b01101110, "uxtab",
1004 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
1005 defm UXTAH : AI_bin_rrot<0b01101111, "uxtah",
1006 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
1009 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
1010 //defm UXTAB16 : xxx<"uxtab16", 0xff00ff>;
1012 // TODO: UXT(A){B|H}16
1014 //===----------------------------------------------------------------------===//
1015 // Arithmetic Instructions.
1018 defm ADD : AsI1_bin_irs<0b0100, "add",
1019 BinOpFrag<(add node:$LHS, node:$RHS)>, 1>;
1020 defm SUB : AsI1_bin_irs<0b0010, "sub",
1021 BinOpFrag<(sub node:$LHS, node:$RHS)>>;
1023 // ADD and SUB with 's' bit set.
1024 defm ADDS : AI1_bin_s_irs<0b0100, "add",
1025 BinOpFrag<(addc node:$LHS, node:$RHS)>>;
1026 defm SUBS : AI1_bin_s_irs<0b0010, "sub",
1027 BinOpFrag<(subc node:$LHS, node:$RHS)>>;
1029 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
1030 BinOpFrag<(adde node:$LHS, node:$RHS)>, 1>;
1031 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
1032 BinOpFrag<(sube node:$LHS, node:$RHS)>>;
1034 // These don't define reg/reg forms, because they are handled above.
1035 def RSBri : AsI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
1036 IIC_iALUi, "rsb", " $dst, $a, $b",
1037 [(set GPR:$dst, (sub so_imm:$b, GPR:$a))]> {
1041 def RSBrs : AsI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
1042 IIC_iALUsr, "rsb", " $dst, $a, $b",
1043 [(set GPR:$dst, (sub so_reg:$b, GPR:$a))]>;
1045 // RSB with 's' bit set.
1046 let Defs = [CPSR] in {
1047 def RSBSri : AI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
1048 IIC_iALUi, "rsb", "s $dst, $a, $b",
1049 [(set GPR:$dst, (subc so_imm:$b, GPR:$a))]> {
1052 def RSBSrs : AI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
1053 IIC_iALUsr, "rsb", "s $dst, $a, $b",
1054 [(set GPR:$dst, (subc so_reg:$b, GPR:$a))]>;
1057 let Uses = [CPSR] in {
1058 def RSCri : AsI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
1059 DPFrm, IIC_iALUi, "rsc", " $dst, $a, $b",
1060 [(set GPR:$dst, (sube so_imm:$b, GPR:$a))]>,
1061 Requires<[IsARM, CarryDefIsUnused]> {
1064 def RSCrs : AsI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
1065 DPSoRegFrm, IIC_iALUsr, "rsc", " $dst, $a, $b",
1066 [(set GPR:$dst, (sube so_reg:$b, GPR:$a))]>,
1067 Requires<[IsARM, CarryDefIsUnused]>;
1070 // FIXME: Allow these to be predicated.
1071 let Defs = [CPSR], Uses = [CPSR] in {
1072 def RSCSri : AXI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
1073 DPFrm, IIC_iALUi, "rscs $dst, $a, $b",
1074 [(set GPR:$dst, (sube so_imm:$b, GPR:$a))]>,
1075 Requires<[IsARM, CarryDefIsUnused]> {
1078 def RSCSrs : AXI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
1079 DPSoRegFrm, IIC_iALUsr, "rscs $dst, $a, $b",
1080 [(set GPR:$dst, (sube so_reg:$b, GPR:$a))]>,
1081 Requires<[IsARM, CarryDefIsUnused]>;
1084 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
1085 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
1086 (SUBri GPR:$src, so_imm_neg:$imm)>;
1088 //def : ARMPat<(addc GPR:$src, so_imm_neg:$imm),
1089 // (SUBSri GPR:$src, so_imm_neg:$imm)>;
1090 //def : ARMPat<(adde GPR:$src, so_imm_neg:$imm),
1091 // (SBCri GPR:$src, so_imm_neg:$imm)>;
1093 // Note: These are implemented in C++ code, because they have to generate
1094 // ADD/SUBrs instructions, which use a complex pattern that a xform function
1096 // (mul X, 2^n+1) -> (add (X << n), X)
1097 // (mul X, 2^n-1) -> (rsb X, (X << n))
1100 //===----------------------------------------------------------------------===//
1101 // Bitwise Instructions.
1104 defm AND : AsI1_bin_irs<0b0000, "and",
1105 BinOpFrag<(and node:$LHS, node:$RHS)>, 1>;
1106 defm ORR : AsI1_bin_irs<0b1100, "orr",
1107 BinOpFrag<(or node:$LHS, node:$RHS)>, 1>;
1108 defm EOR : AsI1_bin_irs<0b0001, "eor",
1109 BinOpFrag<(xor node:$LHS, node:$RHS)>, 1>;
1110 defm BIC : AsI1_bin_irs<0b1110, "bic",
1111 BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
1113 def BFC : I<(outs GPR:$dst), (ins GPR:$src, bf_inv_mask_imm:$imm),
1114 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iALUi,
1115 "bfc", " $dst, $imm", "$src = $dst",
1116 [(set GPR:$dst, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
1117 Requires<[IsARM, HasV6T2]> {
1118 let Inst{27-21} = 0b0111110;
1119 let Inst{6-0} = 0b0011111;
1122 def MVNr : AsI1<0b1111, (outs GPR:$dst), (ins GPR:$src), DPFrm, IIC_iMOVr,
1123 "mvn", " $dst, $src",
1124 [(set GPR:$dst, (not GPR:$src))]>, UnaryDP;
1125 def MVNs : AsI1<0b1111, (outs GPR:$dst), (ins so_reg:$src), DPSoRegFrm,
1126 IIC_iMOVsr, "mvn", " $dst, $src",
1127 [(set GPR:$dst, (not so_reg:$src))]>, UnaryDP;
1128 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
1129 def MVNi : AsI1<0b1111, (outs GPR:$dst), (ins so_imm:$imm), DPFrm,
1130 IIC_iMOVi, "mvn", " $dst, $imm",
1131 [(set GPR:$dst, so_imm_not:$imm)]>,UnaryDP {
1135 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
1136 (BICri GPR:$src, so_imm_not:$imm)>;
1138 //===----------------------------------------------------------------------===//
1139 // Multiply Instructions.
1142 let isCommutable = 1 in
1143 def MUL : AsMul1I<0b0000000, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1144 IIC_iMUL32, "mul", " $dst, $a, $b",
1145 [(set GPR:$dst, (mul GPR:$a, GPR:$b))]>;
1147 def MLA : AsMul1I<0b0000001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1148 IIC_iMAC32, "mla", " $dst, $a, $b, $c",
1149 [(set GPR:$dst, (add (mul GPR:$a, GPR:$b), GPR:$c))]>;
1151 def MLS : AMul1I<0b0000011, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1152 IIC_iMAC32, "mls", " $dst, $a, $b, $c",
1153 [(set GPR:$dst, (sub GPR:$c, (mul GPR:$a, GPR:$b)))]>,
1154 Requires<[IsARM, HasV6T2]>;
1156 // Extra precision multiplies with low / high results
1157 let neverHasSideEffects = 1 in {
1158 let isCommutable = 1 in {
1159 def SMULL : AsMul1I<0b0000110, (outs GPR:$ldst, GPR:$hdst),
1160 (ins GPR:$a, GPR:$b), IIC_iMUL64,
1161 "smull", " $ldst, $hdst, $a, $b", []>;
1163 def UMULL : AsMul1I<0b0000100, (outs GPR:$ldst, GPR:$hdst),
1164 (ins GPR:$a, GPR:$b), IIC_iMUL64,
1165 "umull", " $ldst, $hdst, $a, $b", []>;
1168 // Multiply + accumulate
1169 def SMLAL : AsMul1I<0b0000111, (outs GPR:$ldst, GPR:$hdst),
1170 (ins GPR:$a, GPR:$b), IIC_iMAC64,
1171 "smlal", " $ldst, $hdst, $a, $b", []>;
1173 def UMLAL : AsMul1I<0b0000101, (outs GPR:$ldst, GPR:$hdst),
1174 (ins GPR:$a, GPR:$b), IIC_iMAC64,
1175 "umlal", " $ldst, $hdst, $a, $b", []>;
1177 def UMAAL : AMul1I <0b0000010, (outs GPR:$ldst, GPR:$hdst),
1178 (ins GPR:$a, GPR:$b), IIC_iMAC64,
1179 "umaal", " $ldst, $hdst, $a, $b", []>,
1180 Requires<[IsARM, HasV6]>;
1181 } // neverHasSideEffects
1183 // Most significant word multiply
1184 def SMMUL : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1185 IIC_iMUL32, "smmul", " $dst, $a, $b",
1186 [(set GPR:$dst, (mulhs GPR:$a, GPR:$b))]>,
1187 Requires<[IsARM, HasV6]> {
1188 let Inst{7-4} = 0b0001;
1189 let Inst{15-12} = 0b1111;
1192 def SMMLA : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1193 IIC_iMAC32, "smmla", " $dst, $a, $b, $c",
1194 [(set GPR:$dst, (add (mulhs GPR:$a, GPR:$b), GPR:$c))]>,
1195 Requires<[IsARM, HasV6]> {
1196 let Inst{7-4} = 0b0001;
1200 def SMMLS : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1201 IIC_iMAC32, "smmls", " $dst, $a, $b, $c",
1202 [(set GPR:$dst, (sub GPR:$c, (mulhs GPR:$a, GPR:$b)))]>,
1203 Requires<[IsARM, HasV6]> {
1204 let Inst{7-4} = 0b1101;
1207 multiclass AI_smul<string opc, PatFrag opnode> {
1208 def BB : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1209 IIC_iMUL32, !strconcat(opc, "bb"), " $dst, $a, $b",
1210 [(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16),
1211 (sext_inreg GPR:$b, i16)))]>,
1212 Requires<[IsARM, HasV5TE]> {
1217 def BT : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1218 IIC_iMUL32, !strconcat(opc, "bt"), " $dst, $a, $b",
1219 [(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16),
1220 (sra GPR:$b, (i32 16))))]>,
1221 Requires<[IsARM, HasV5TE]> {
1226 def TB : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1227 IIC_iMUL32, !strconcat(opc, "tb"), " $dst, $a, $b",
1228 [(set GPR:$dst, (opnode (sra GPR:$a, (i32 16)),
1229 (sext_inreg GPR:$b, i16)))]>,
1230 Requires<[IsARM, HasV5TE]> {
1235 def TT : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1236 IIC_iMUL32, !strconcat(opc, "tt"), " $dst, $a, $b",
1237 [(set GPR:$dst, (opnode (sra GPR:$a, (i32 16)),
1238 (sra GPR:$b, (i32 16))))]>,
1239 Requires<[IsARM, HasV5TE]> {
1244 def WB : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1245 IIC_iMUL16, !strconcat(opc, "wb"), " $dst, $a, $b",
1246 [(set GPR:$dst, (sra (opnode GPR:$a,
1247 (sext_inreg GPR:$b, i16)), (i32 16)))]>,
1248 Requires<[IsARM, HasV5TE]> {
1253 def WT : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1254 IIC_iMUL16, !strconcat(opc, "wt"), " $dst, $a, $b",
1255 [(set GPR:$dst, (sra (opnode GPR:$a,
1256 (sra GPR:$b, (i32 16))), (i32 16)))]>,
1257 Requires<[IsARM, HasV5TE]> {
1264 multiclass AI_smla<string opc, PatFrag opnode> {
1265 def BB : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1266 IIC_iMAC16, !strconcat(opc, "bb"), " $dst, $a, $b, $acc",
1267 [(set GPR:$dst, (add GPR:$acc,
1268 (opnode (sext_inreg GPR:$a, i16),
1269 (sext_inreg GPR:$b, i16))))]>,
1270 Requires<[IsARM, HasV5TE]> {
1275 def BT : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1276 IIC_iMAC16, !strconcat(opc, "bt"), " $dst, $a, $b, $acc",
1277 [(set GPR:$dst, (add GPR:$acc, (opnode (sext_inreg GPR:$a, i16),
1278 (sra GPR:$b, (i32 16)))))]>,
1279 Requires<[IsARM, HasV5TE]> {
1284 def TB : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1285 IIC_iMAC16, !strconcat(opc, "tb"), " $dst, $a, $b, $acc",
1286 [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, (i32 16)),
1287 (sext_inreg GPR:$b, i16))))]>,
1288 Requires<[IsARM, HasV5TE]> {
1293 def TT : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1294 IIC_iMAC16, !strconcat(opc, "tt"), " $dst, $a, $b, $acc",
1295 [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, (i32 16)),
1296 (sra GPR:$b, (i32 16)))))]>,
1297 Requires<[IsARM, HasV5TE]> {
1302 def WB : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1303 IIC_iMAC16, !strconcat(opc, "wb"), " $dst, $a, $b, $acc",
1304 [(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a,
1305 (sext_inreg GPR:$b, i16)), (i32 16))))]>,
1306 Requires<[IsARM, HasV5TE]> {
1311 def WT : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1312 IIC_iMAC16, !strconcat(opc, "wt"), " $dst, $a, $b, $acc",
1313 [(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a,
1314 (sra GPR:$b, (i32 16))), (i32 16))))]>,
1315 Requires<[IsARM, HasV5TE]> {
1321 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
1322 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
1324 // TODO: Halfword multiple accumulate long: SMLAL<x><y>
1325 // TODO: Dual halfword multiple: SMUAD, SMUSD, SMLAD, SMLSD, SMLALD, SMLSLD
1327 //===----------------------------------------------------------------------===//
1328 // Misc. Arithmetic Instructions.
1331 def CLZ : AMiscA1I<0b000010110, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
1332 "clz", " $dst, $src",
1333 [(set GPR:$dst, (ctlz GPR:$src))]>, Requires<[IsARM, HasV5T]> {
1334 let Inst{7-4} = 0b0001;
1335 let Inst{11-8} = 0b1111;
1336 let Inst{19-16} = 0b1111;
1339 def REV : AMiscA1I<0b01101011, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
1340 "rev", " $dst, $src",
1341 [(set GPR:$dst, (bswap GPR:$src))]>, Requires<[IsARM, HasV6]> {
1342 let Inst{7-4} = 0b0011;
1343 let Inst{11-8} = 0b1111;
1344 let Inst{19-16} = 0b1111;
1347 def REV16 : AMiscA1I<0b01101011, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
1348 "rev16", " $dst, $src",
1350 (or (and (srl GPR:$src, (i32 8)), 0xFF),
1351 (or (and (shl GPR:$src, (i32 8)), 0xFF00),
1352 (or (and (srl GPR:$src, (i32 8)), 0xFF0000),
1353 (and (shl GPR:$src, (i32 8)), 0xFF000000)))))]>,
1354 Requires<[IsARM, HasV6]> {
1355 let Inst{7-4} = 0b1011;
1356 let Inst{11-8} = 0b1111;
1357 let Inst{19-16} = 0b1111;
1360 def REVSH : AMiscA1I<0b01101111, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
1361 "revsh", " $dst, $src",
1364 (or (srl (and GPR:$src, 0xFF00), (i32 8)),
1365 (shl GPR:$src, (i32 8))), i16))]>,
1366 Requires<[IsARM, HasV6]> {
1367 let Inst{7-4} = 0b1011;
1368 let Inst{11-8} = 0b1111;
1369 let Inst{19-16} = 0b1111;
1372 def PKHBT : AMiscA1I<0b01101000, (outs GPR:$dst),
1373 (ins GPR:$src1, GPR:$src2, i32imm:$shamt),
1374 IIC_iALUsi, "pkhbt", " $dst, $src1, $src2, LSL $shamt",
1375 [(set GPR:$dst, (or (and GPR:$src1, 0xFFFF),
1376 (and (shl GPR:$src2, (i32 imm:$shamt)),
1378 Requires<[IsARM, HasV6]> {
1379 let Inst{6-4} = 0b001;
1382 // Alternate cases for PKHBT where identities eliminate some nodes.
1383 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF), (and GPR:$src2, 0xFFFF0000)),
1384 (PKHBT GPR:$src1, GPR:$src2, 0)>;
1385 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF), (shl GPR:$src2, imm16_31:$shamt)),
1386 (PKHBT GPR:$src1, GPR:$src2, imm16_31:$shamt)>;
1389 def PKHTB : AMiscA1I<0b01101000, (outs GPR:$dst),
1390 (ins GPR:$src1, GPR:$src2, i32imm:$shamt),
1391 IIC_iALUsi, "pkhtb", " $dst, $src1, $src2, ASR $shamt",
1392 [(set GPR:$dst, (or (and GPR:$src1, 0xFFFF0000),
1393 (and (sra GPR:$src2, imm16_31:$shamt),
1394 0xFFFF)))]>, Requires<[IsARM, HasV6]> {
1395 let Inst{6-4} = 0b101;
1398 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
1399 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
1400 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000), (srl GPR:$src2, (i32 16))),
1401 (PKHTB GPR:$src1, GPR:$src2, 16)>;
1402 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000),
1403 (and (srl GPR:$src2, imm1_15:$shamt), 0xFFFF)),
1404 (PKHTB GPR:$src1, GPR:$src2, imm1_15:$shamt)>;
1406 //===----------------------------------------------------------------------===//
1407 // Comparison Instructions...
1410 defm CMP : AI1_cmp_irs<0b1010, "cmp",
1411 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
1412 defm CMN : AI1_cmp_irs<0b1011, "cmn",
1413 BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
1415 // Note that TST/TEQ don't set all the same flags that CMP does!
1416 defm TST : AI1_cmp_irs<0b1000, "tst",
1417 BinOpFrag<(ARMcmpZ (and node:$LHS, node:$RHS), 0)>, 1>;
1418 defm TEQ : AI1_cmp_irs<0b1001, "teq",
1419 BinOpFrag<(ARMcmpZ (xor node:$LHS, node:$RHS), 0)>, 1>;
1421 defm CMPz : AI1_cmp_irs<0b1010, "cmp",
1422 BinOpFrag<(ARMcmpZ node:$LHS, node:$RHS)>>;
1423 defm CMNz : AI1_cmp_irs<0b1011, "cmn",
1424 BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>>;
1426 def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
1427 (CMNri GPR:$src, so_imm_neg:$imm)>;
1429 def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
1430 (CMNri GPR:$src, so_imm_neg:$imm)>;
1433 // Conditional moves
1434 // FIXME: should be able to write a pattern for ARMcmov, but can't use
1435 // a two-value operand where a dag node expects two operands. :(
1436 def MOVCCr : AI1<0b1101, (outs GPR:$dst), (ins GPR:$false, GPR:$true), DPFrm,
1437 IIC_iCMOVr, "mov", " $dst, $true",
1438 [/*(set GPR:$dst, (ARMcmov GPR:$false, GPR:$true, imm:$cc, CCR:$ccr))*/]>,
1439 RegConstraint<"$false = $dst">, UnaryDP;
1441 def MOVCCs : AI1<0b1101, (outs GPR:$dst),
1442 (ins GPR:$false, so_reg:$true), DPSoRegFrm, IIC_iCMOVsr,
1443 "mov", " $dst, $true",
1444 [/*(set GPR:$dst, (ARMcmov GPR:$false, so_reg:$true, imm:$cc, CCR:$ccr))*/]>,
1445 RegConstraint<"$false = $dst">, UnaryDP;
1447 def MOVCCi : AI1<0b1101, (outs GPR:$dst),
1448 (ins GPR:$false, so_imm:$true), DPFrm, IIC_iCMOVi,
1449 "mov", " $dst, $true",
1450 [/*(set GPR:$dst, (ARMcmov GPR:$false, so_imm:$true, imm:$cc, CCR:$ccr))*/]>,
1451 RegConstraint<"$false = $dst">, UnaryDP {
1456 //===----------------------------------------------------------------------===//
1460 // __aeabi_read_tp preserves the registers r1-r3.
1462 Defs = [R0, R12, LR, CPSR] in {
1463 def TPsoft : ABXI<0b1011, (outs), (ins), IIC_Br,
1464 "bl __aeabi_read_tp",
1465 [(set R0, ARMthread_pointer)]>;
1468 //===----------------------------------------------------------------------===//
1469 // SJLJ Exception handling intrinsics
1470 // eh_sjlj_setjmp() is an instruction sequence to store the return
1471 // address and save #0 in R0 for the non-longjmp case.
1472 // Since by its nature we may be coming from some other function to get
1473 // here, and we're using the stack frame for the containing function to
1474 // save/restore registers, we can't keep anything live in regs across
1475 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
1476 // when we get here from a longjmp(). We force everthing out of registers
1477 // except for our own input by listing the relevant registers in Defs. By
1478 // doing so, we also cause the prologue/epilogue code to actively preserve
1479 // all of the callee-saved resgisters, which is exactly what we want.
1481 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, D0,
1482 D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15,
1483 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26, D27, D28, D29, D30,
1485 def Int_eh_sjlj_setjmp : XI<(outs), (ins GPR:$src),
1486 AddrModeNone, SizeSpecial, IndexModeNone,
1487 Pseudo, NoItinerary,
1488 "str sp, [$src, #+8] @ eh_setjmp begin\n\t"
1489 "add r12, pc, #8\n\t"
1490 "str r12, [$src, #+4]\n\t"
1492 "add pc, pc, #0\n\t"
1493 "mov r0, #1 @ eh_setjmp end", "",
1494 [(set R0, (ARMeh_sjlj_setjmp GPR:$src))]>;
1497 //===----------------------------------------------------------------------===//
1498 // Non-Instruction Patterns
1501 // ConstantPool, GlobalAddress, and JumpTable
1502 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>;
1503 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
1504 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
1505 (LEApcrelJT tjumptable:$dst, imm:$id)>;
1507 // Large immediate handling.
1509 // Two piece so_imms.
1510 let isReMaterializable = 1 in
1511 def MOVi2pieces : AI1x2<(outs GPR:$dst), (ins so_imm2part:$src),
1513 "mov", " $dst, $src",
1514 [(set GPR:$dst, so_imm2part:$src)]>,
1515 Requires<[IsARM, NoV6T2]>;
1517 def : ARMPat<(or GPR:$LHS, so_imm2part:$RHS),
1518 (ORRri (ORRri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
1519 (so_imm2part_2 imm:$RHS))>;
1520 def : ARMPat<(xor GPR:$LHS, so_imm2part:$RHS),
1521 (EORri (EORri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
1522 (so_imm2part_2 imm:$RHS))>;
1524 // 32-bit immediate using movw + movt.
1525 // This is a single pseudo instruction to make it re-materializable. Remove
1526 // when we can do generalized remat.
1527 let isReMaterializable = 1 in
1528 def MOVi32imm : AI1x2<(outs GPR:$dst), (ins i32imm:$src), Pseudo, IIC_iMOVi,
1529 "movw", " $dst, ${src:lo16}\n\tmovt${p} $dst, ${src:hi16}",
1530 [(set GPR:$dst, (i32 imm:$src))]>,
1531 Requires<[IsARM, HasV6T2]>;
1533 // TODO: add,sub,and, 3-instr forms?
1537 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>,
1538 Requires<[IsARM, IsNotDarwin]>;
1539 def : ARMPat<(ARMcall texternalsym:$func), (BLr9 texternalsym:$func)>,
1540 Requires<[IsARM, IsDarwin]>;
1542 // zextload i1 -> zextload i8
1543 def : ARMPat<(zextloadi1 addrmode2:$addr), (LDRB addrmode2:$addr)>;
1545 // extload -> zextload
1546 def : ARMPat<(extloadi1 addrmode2:$addr), (LDRB addrmode2:$addr)>;
1547 def : ARMPat<(extloadi8 addrmode2:$addr), (LDRB addrmode2:$addr)>;
1548 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
1550 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
1551 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
1554 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
1555 (sra (shl GPR:$b, (i32 16)), (i32 16))),
1556 (SMULBB GPR:$a, GPR:$b)>;
1557 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
1558 (SMULBB GPR:$a, GPR:$b)>;
1559 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
1560 (sra GPR:$b, (i32 16))),
1561 (SMULBT GPR:$a, GPR:$b)>;
1562 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
1563 (SMULBT GPR:$a, GPR:$b)>;
1564 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
1565 (sra (shl GPR:$b, (i32 16)), (i32 16))),
1566 (SMULTB GPR:$a, GPR:$b)>;
1567 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
1568 (SMULTB GPR:$a, GPR:$b)>;
1569 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
1571 (SMULWB GPR:$a, GPR:$b)>;
1572 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
1573 (SMULWB GPR:$a, GPR:$b)>;
1575 def : ARMV5TEPat<(add GPR:$acc,
1576 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
1577 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
1578 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
1579 def : ARMV5TEPat<(add GPR:$acc,
1580 (mul sext_16_node:$a, sext_16_node:$b)),
1581 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
1582 def : ARMV5TEPat<(add GPR:$acc,
1583 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
1584 (sra GPR:$b, (i32 16)))),
1585 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
1586 def : ARMV5TEPat<(add GPR:$acc,
1587 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
1588 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
1589 def : ARMV5TEPat<(add GPR:$acc,
1590 (mul (sra GPR:$a, (i32 16)),
1591 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
1592 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
1593 def : ARMV5TEPat<(add GPR:$acc,
1594 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
1595 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
1596 def : ARMV5TEPat<(add GPR:$acc,
1597 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
1599 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
1600 def : ARMV5TEPat<(add GPR:$acc,
1601 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
1602 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
1604 //===----------------------------------------------------------------------===//
1608 include "ARMInstrThumb.td"
1610 //===----------------------------------------------------------------------===//
1614 include "ARMInstrThumb2.td"
1616 //===----------------------------------------------------------------------===//
1617 // Floating Point Support
1620 include "ARMInstrVFP.td"
1622 //===----------------------------------------------------------------------===//
1623 // Advanced SIMD (NEON) Support
1626 include "ARMInstrNEON.td"