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${:uid}")),
617 //===----------------------------------------------------------------------===//
618 // Control Flow Instructions.
621 let isReturn = 1, isTerminator = 1, isBarrier = 1 in
622 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
623 "bx", " lr", [(ARMretflag)]> {
624 let Inst{7-4} = 0b0001;
625 let Inst{19-8} = 0b111111111111;
626 let Inst{27-20} = 0b00010010;
629 // FIXME: remove when we have a way to marking a MI with these properties.
630 // FIXME: Should pc be an implicit operand like PICADD, etc?
631 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1 in
632 def LDM_RET : AXI4ld<(outs),
633 (ins addrmode4:$addr, pred:$p, reglist:$wb, variable_ops),
634 LdStMulFrm, IIC_Br, "ldm${p}${addr:submode} $addr, $wb",
637 // On non-Darwin platforms R9 is callee-saved.
639 Defs = [R0, R1, R2, R3, R12, LR,
640 D0, D1, D2, D3, D4, D5, D6, D7,
641 D16, D17, D18, D19, D20, D21, D22, D23,
642 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR] in {
643 def BL : ABXI<0b1011, (outs), (ins i32imm:$func, variable_ops),
644 IIC_Br, "bl ${func:call}",
645 [(ARMcall tglobaladdr:$func)]>,
646 Requires<[IsARM, IsNotDarwin]>;
648 def BL_pred : ABI<0b1011, (outs), (ins i32imm:$func, variable_ops),
649 IIC_Br, "bl", " ${func:call}",
650 [(ARMcall_pred tglobaladdr:$func)]>,
651 Requires<[IsARM, IsNotDarwin]>;
654 def BLX : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
656 [(ARMcall GPR:$func)]>,
657 Requires<[IsARM, HasV5T, IsNotDarwin]> {
658 let Inst{7-4} = 0b0011;
659 let Inst{19-8} = 0b111111111111;
660 let Inst{27-20} = 0b00010010;
664 def BX : ABXIx2<(outs), (ins GPR:$func, variable_ops),
665 IIC_Br, "mov lr, pc\n\tbx $func",
666 [(ARMcall_nolink GPR:$func)]>,
667 Requires<[IsARM, IsNotDarwin]> {
668 let Inst{7-4} = 0b0001;
669 let Inst{19-8} = 0b111111111111;
670 let Inst{27-20} = 0b00010010;
674 // On Darwin R9 is call-clobbered.
676 Defs = [R0, R1, R2, R3, R9, R12, LR,
677 D0, D1, D2, D3, D4, D5, D6, D7,
678 D16, D17, D18, D19, D20, D21, D22, D23,
679 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR] in {
680 def BLr9 : ABXI<0b1011, (outs), (ins i32imm:$func, variable_ops),
681 IIC_Br, "bl ${func:call}",
682 [(ARMcall tglobaladdr:$func)]>, Requires<[IsARM, IsDarwin]>;
684 def BLr9_pred : ABI<0b1011, (outs), (ins i32imm:$func, variable_ops),
685 IIC_Br, "bl", " ${func:call}",
686 [(ARMcall_pred tglobaladdr:$func)]>,
687 Requires<[IsARM, IsDarwin]>;
690 def BLXr9 : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
692 [(ARMcall GPR:$func)]>, Requires<[IsARM, HasV5T, IsDarwin]> {
693 let Inst{7-4} = 0b0011;
694 let Inst{19-8} = 0b111111111111;
695 let Inst{27-20} = 0b00010010;
699 def BXr9 : ABXIx2<(outs), (ins GPR:$func, variable_ops),
700 IIC_Br, "mov lr, pc\n\tbx $func",
701 [(ARMcall_nolink GPR:$func)]>, Requires<[IsARM, IsDarwin]> {
702 let Inst{7-4} = 0b0001;
703 let Inst{19-8} = 0b111111111111;
704 let Inst{27-20} = 0b00010010;
708 let isBranch = 1, isTerminator = 1 in {
709 // B is "predicable" since it can be xformed into a Bcc.
710 let isBarrier = 1 in {
711 let isPredicable = 1 in
712 def B : ABXI<0b1010, (outs), (ins brtarget:$target), IIC_Br,
713 "b $target", [(br bb:$target)]>;
715 let isNotDuplicable = 1, isIndirectBranch = 1 in {
716 def BR_JTr : JTI<(outs), (ins GPR:$target, jtblock_operand:$jt, i32imm:$id),
717 IIC_Br, "mov pc, $target \n$jt",
718 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]> {
719 let Inst{20} = 0; // S Bit
720 let Inst{24-21} = 0b1101;
721 let Inst{27-25} = 0b000;
723 def BR_JTm : JTI<(outs),
724 (ins addrmode2:$target, jtblock_operand:$jt, i32imm:$id),
725 IIC_Br, "ldr pc, $target \n$jt",
726 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
728 let Inst{20} = 1; // L bit
729 let Inst{21} = 0; // W bit
730 let Inst{22} = 0; // B bit
731 let Inst{24} = 1; // P bit
732 let Inst{27-25} = 0b011;
734 def BR_JTadd : JTI<(outs),
735 (ins GPR:$target, GPR:$idx, jtblock_operand:$jt, i32imm:$id),
736 IIC_Br, "add pc, $target, $idx \n$jt",
737 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
739 let Inst{20} = 0; // S bit
740 let Inst{24-21} = 0b0100;
741 let Inst{27-25} = 0b000;
743 } // isNotDuplicable = 1, isIndirectBranch = 1
746 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
747 // a two-value operand where a dag node expects two operands. :(
748 def Bcc : ABI<0b1010, (outs), (ins brtarget:$target),
749 IIC_Br, "b", " $target",
750 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]>;
753 //===----------------------------------------------------------------------===//
754 // Load / store Instructions.
758 let canFoldAsLoad = 1 in
759 def LDR : AI2ldw<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm, IIC_iLoadr,
760 "ldr", " $dst, $addr",
761 [(set GPR:$dst, (load addrmode2:$addr))]>;
763 // Special LDR for loads from non-pc-relative constpools.
764 let canFoldAsLoad = 1, mayLoad = 1, isReMaterializable = 1 in
765 def LDRcp : AI2ldw<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm, IIC_iLoadr,
766 "ldr", " $dst, $addr", []>;
768 // Loads with zero extension
769 def LDRH : AI3ldh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
770 IIC_iLoadr, "ldr", "h $dst, $addr",
771 [(set GPR:$dst, (zextloadi16 addrmode3:$addr))]>;
773 def LDRB : AI2ldb<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm,
774 IIC_iLoadr, "ldr", "b $dst, $addr",
775 [(set GPR:$dst, (zextloadi8 addrmode2:$addr))]>;
777 // Loads with sign extension
778 def LDRSH : AI3ldsh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
779 IIC_iLoadr, "ldr", "sh $dst, $addr",
780 [(set GPR:$dst, (sextloadi16 addrmode3:$addr))]>;
782 def LDRSB : AI3ldsb<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
783 IIC_iLoadr, "ldr", "sb $dst, $addr",
784 [(set GPR:$dst, (sextloadi8 addrmode3:$addr))]>;
788 def LDRD : AI3ldd<(outs GPR:$dst1, GPR:$dst2), (ins addrmode3:$addr), LdMiscFrm,
789 IIC_iLoadr, "ldr", "d $dst1, $addr",
790 []>, Requires<[IsARM, HasV5TE]>;
793 def LDR_PRE : AI2ldwpr<(outs GPR:$dst, GPR:$base_wb),
794 (ins addrmode2:$addr), LdFrm, IIC_iLoadru,
795 "ldr", " $dst, $addr!", "$addr.base = $base_wb", []>;
797 def LDR_POST : AI2ldwpo<(outs GPR:$dst, GPR:$base_wb),
798 (ins GPR:$base, am2offset:$offset), LdFrm, IIC_iLoadru,
799 "ldr", " $dst, [$base], $offset", "$base = $base_wb", []>;
801 def LDRH_PRE : AI3ldhpr<(outs GPR:$dst, GPR:$base_wb),
802 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadru,
803 "ldr", "h $dst, $addr!", "$addr.base = $base_wb", []>;
805 def LDRH_POST : AI3ldhpo<(outs GPR:$dst, GPR:$base_wb),
806 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
807 "ldr", "h $dst, [$base], $offset", "$base = $base_wb", []>;
809 def LDRB_PRE : AI2ldbpr<(outs GPR:$dst, GPR:$base_wb),
810 (ins addrmode2:$addr), LdFrm, IIC_iLoadru,
811 "ldr", "b $dst, $addr!", "$addr.base = $base_wb", []>;
813 def LDRB_POST : AI2ldbpo<(outs GPR:$dst, GPR:$base_wb),
814 (ins GPR:$base,am2offset:$offset), LdFrm, IIC_iLoadru,
815 "ldr", "b $dst, [$base], $offset", "$base = $base_wb", []>;
817 def LDRSH_PRE : AI3ldshpr<(outs GPR:$dst, GPR:$base_wb),
818 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadru,
819 "ldr", "sh $dst, $addr!", "$addr.base = $base_wb", []>;
821 def LDRSH_POST: AI3ldshpo<(outs GPR:$dst, GPR:$base_wb),
822 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
823 "ldr", "sh $dst, [$base], $offset", "$base = $base_wb", []>;
825 def LDRSB_PRE : AI3ldsbpr<(outs GPR:$dst, GPR:$base_wb),
826 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadru,
827 "ldr", "sb $dst, $addr!", "$addr.base = $base_wb", []>;
829 def LDRSB_POST: AI3ldsbpo<(outs GPR:$dst, GPR:$base_wb),
830 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
831 "ldr", "sb $dst, [$base], $offset", "$base = $base_wb", []>;
835 def STR : AI2stw<(outs), (ins GPR:$src, addrmode2:$addr), StFrm, IIC_iStorer,
836 "str", " $src, $addr",
837 [(store GPR:$src, addrmode2:$addr)]>;
839 // Stores with truncate
840 def STRH : AI3sth<(outs), (ins GPR:$src, addrmode3:$addr), StMiscFrm, IIC_iStorer,
841 "str", "h $src, $addr",
842 [(truncstorei16 GPR:$src, addrmode3:$addr)]>;
844 def STRB : AI2stb<(outs), (ins GPR:$src, addrmode2:$addr), StFrm, IIC_iStorer,
845 "str", "b $src, $addr",
846 [(truncstorei8 GPR:$src, addrmode2:$addr)]>;
850 def STRD : AI3std<(outs), (ins GPR:$src1, GPR:$src2, addrmode3:$addr),
851 StMiscFrm, IIC_iStorer,
852 "str", "d $src1, $addr", []>, Requires<[IsARM, HasV5TE]>;
855 def STR_PRE : AI2stwpr<(outs GPR:$base_wb),
856 (ins GPR:$src, GPR:$base, am2offset:$offset),
858 "str", " $src, [$base, $offset]!", "$base = $base_wb",
860 (pre_store GPR:$src, GPR:$base, am2offset:$offset))]>;
862 def STR_POST : AI2stwpo<(outs GPR:$base_wb),
863 (ins GPR:$src, GPR:$base,am2offset:$offset),
865 "str", " $src, [$base], $offset", "$base = $base_wb",
867 (post_store GPR:$src, GPR:$base, am2offset:$offset))]>;
869 def STRH_PRE : AI3sthpr<(outs GPR:$base_wb),
870 (ins GPR:$src, GPR:$base,am3offset:$offset),
871 StMiscFrm, IIC_iStoreru,
872 "str", "h $src, [$base, $offset]!", "$base = $base_wb",
874 (pre_truncsti16 GPR:$src, GPR:$base,am3offset:$offset))]>;
876 def STRH_POST: AI3sthpo<(outs GPR:$base_wb),
877 (ins GPR:$src, GPR:$base,am3offset:$offset),
878 StMiscFrm, IIC_iStoreru,
879 "str", "h $src, [$base], $offset", "$base = $base_wb",
880 [(set GPR:$base_wb, (post_truncsti16 GPR:$src,
881 GPR:$base, am3offset:$offset))]>;
883 def STRB_PRE : AI2stbpr<(outs GPR:$base_wb),
884 (ins GPR:$src, GPR:$base,am2offset:$offset),
886 "str", "b $src, [$base, $offset]!", "$base = $base_wb",
887 [(set GPR:$base_wb, (pre_truncsti8 GPR:$src,
888 GPR:$base, am2offset:$offset))]>;
890 def STRB_POST: AI2stbpo<(outs GPR:$base_wb),
891 (ins GPR:$src, GPR:$base,am2offset:$offset),
893 "str", "b $src, [$base], $offset", "$base = $base_wb",
894 [(set GPR:$base_wb, (post_truncsti8 GPR:$src,
895 GPR:$base, am2offset:$offset))]>;
897 //===----------------------------------------------------------------------===//
898 // Load / store multiple Instructions.
902 def LDM : AXI4ld<(outs),
903 (ins addrmode4:$addr, pred:$p, reglist:$wb, variable_ops),
904 LdStMulFrm, IIC_iLoadm, "ldm${p}${addr:submode} $addr, $wb",
908 def STM : AXI4st<(outs),
909 (ins addrmode4:$addr, pred:$p, reglist:$wb, variable_ops),
910 LdStMulFrm, IIC_iStorem, "stm${p}${addr:submode} $addr, $wb",
913 //===----------------------------------------------------------------------===//
914 // Move Instructions.
917 let neverHasSideEffects = 1 in
918 def MOVr : AsI1<0b1101, (outs GPR:$dst), (ins GPR:$src), DPFrm, IIC_iMOVr,
919 "mov", " $dst, $src", []>, UnaryDP;
920 def MOVs : AsI1<0b1101, (outs GPR:$dst), (ins so_reg:$src),
921 DPSoRegFrm, IIC_iMOVsr,
922 "mov", " $dst, $src", [(set GPR:$dst, so_reg:$src)]>, UnaryDP;
924 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
925 def MOVi : AsI1<0b1101, (outs GPR:$dst), (ins so_imm:$src), DPFrm, IIC_iMOVi,
926 "mov", " $dst, $src", [(set GPR:$dst, so_imm:$src)]>, UnaryDP {
930 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
931 def MOVi16 : AI1<0b1000, (outs GPR:$dst), (ins i32imm:$src),
933 "movw", " $dst, $src",
934 [(set GPR:$dst, imm0_65535:$src)]>,
935 Requires<[IsARM, HasV6T2]> {
939 let Constraints = "$src = $dst" in
940 def MOVTi16 : AI1<0b1010, (outs GPR:$dst), (ins GPR:$src, i32imm:$imm),
942 "movt", " $dst, $imm",
944 (or (and GPR:$src, 0xffff),
945 lo16AllZero:$imm))]>, UnaryDP,
946 Requires<[IsARM, HasV6T2]> {
951 def MOVrx : AsI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo, IIC_iMOVsi,
952 "mov", " $dst, $src, rrx",
953 [(set GPR:$dst, (ARMrrx GPR:$src))]>, UnaryDP;
955 // These aren't really mov instructions, but we have to define them this way
956 // due to flag operands.
958 let Defs = [CPSR] in {
959 def MOVsrl_flag : AI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo,
960 IIC_iMOVsi, "mov", "s $dst, $src, lsr #1",
961 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP;
962 def MOVsra_flag : AI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo,
963 IIC_iMOVsi, "mov", "s $dst, $src, asr #1",
964 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP;
967 //===----------------------------------------------------------------------===//
968 // Extend Instructions.
973 defm SXTB : AI_unary_rrot<0b01101010,
974 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
975 defm SXTH : AI_unary_rrot<0b01101011,
976 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
978 defm SXTAB : AI_bin_rrot<0b01101010,
979 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
980 defm SXTAH : AI_bin_rrot<0b01101011,
981 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
983 // TODO: SXT(A){B|H}16
987 let AddedComplexity = 16 in {
988 defm UXTB : AI_unary_rrot<0b01101110,
989 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
990 defm UXTH : AI_unary_rrot<0b01101111,
991 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
992 defm UXTB16 : AI_unary_rrot<0b01101100,
993 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
995 def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
996 (UXTB16r_rot GPR:$Src, 24)>;
997 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
998 (UXTB16r_rot GPR:$Src, 8)>;
1000 defm UXTAB : AI_bin_rrot<0b01101110, "uxtab",
1001 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
1002 defm UXTAH : AI_bin_rrot<0b01101111, "uxtah",
1003 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
1006 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
1007 //defm UXTAB16 : xxx<"uxtab16", 0xff00ff>;
1009 // TODO: UXT(A){B|H}16
1011 //===----------------------------------------------------------------------===//
1012 // Arithmetic Instructions.
1015 defm ADD : AsI1_bin_irs<0b0100, "add",
1016 BinOpFrag<(add node:$LHS, node:$RHS)>, 1>;
1017 defm SUB : AsI1_bin_irs<0b0010, "sub",
1018 BinOpFrag<(sub node:$LHS, node:$RHS)>>;
1020 // ADD and SUB with 's' bit set.
1021 defm ADDS : AI1_bin_s_irs<0b0100, "add",
1022 BinOpFrag<(addc node:$LHS, node:$RHS)>>;
1023 defm SUBS : AI1_bin_s_irs<0b0010, "sub",
1024 BinOpFrag<(subc node:$LHS, node:$RHS)>>;
1026 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
1027 BinOpFrag<(adde node:$LHS, node:$RHS)>, 1>;
1028 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
1029 BinOpFrag<(sube node:$LHS, node:$RHS)>>;
1031 // These don't define reg/reg forms, because they are handled above.
1032 def RSBri : AsI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
1033 IIC_iALUi, "rsb", " $dst, $a, $b",
1034 [(set GPR:$dst, (sub so_imm:$b, GPR:$a))]> {
1038 def RSBrs : AsI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
1039 IIC_iALUsr, "rsb", " $dst, $a, $b",
1040 [(set GPR:$dst, (sub so_reg:$b, GPR:$a))]>;
1042 // RSB with 's' bit set.
1043 let Defs = [CPSR] in {
1044 def RSBSri : AI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
1045 IIC_iALUi, "rsb", "s $dst, $a, $b",
1046 [(set GPR:$dst, (subc so_imm:$b, GPR:$a))]> {
1049 def RSBSrs : AI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
1050 IIC_iALUsr, "rsb", "s $dst, $a, $b",
1051 [(set GPR:$dst, (subc so_reg:$b, GPR:$a))]>;
1054 let Uses = [CPSR] in {
1055 def RSCri : AsI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
1056 DPFrm, IIC_iALUi, "rsc", " $dst, $a, $b",
1057 [(set GPR:$dst, (sube so_imm:$b, GPR:$a))]>,
1058 Requires<[IsARM, CarryDefIsUnused]> {
1061 def RSCrs : AsI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
1062 DPSoRegFrm, IIC_iALUsr, "rsc", " $dst, $a, $b",
1063 [(set GPR:$dst, (sube so_reg:$b, GPR:$a))]>,
1064 Requires<[IsARM, CarryDefIsUnused]>;
1067 // FIXME: Allow these to be predicated.
1068 let Defs = [CPSR], Uses = [CPSR] in {
1069 def RSCSri : AXI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
1070 DPFrm, IIC_iALUi, "rscs $dst, $a, $b",
1071 [(set GPR:$dst, (sube so_imm:$b, GPR:$a))]>,
1072 Requires<[IsARM, CarryDefIsUnused]> {
1075 def RSCSrs : AXI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
1076 DPSoRegFrm, IIC_iALUsr, "rscs $dst, $a, $b",
1077 [(set GPR:$dst, (sube so_reg:$b, GPR:$a))]>,
1078 Requires<[IsARM, CarryDefIsUnused]>;
1081 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
1082 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
1083 (SUBri GPR:$src, so_imm_neg:$imm)>;
1085 //def : ARMPat<(addc GPR:$src, so_imm_neg:$imm),
1086 // (SUBSri GPR:$src, so_imm_neg:$imm)>;
1087 //def : ARMPat<(adde GPR:$src, so_imm_neg:$imm),
1088 // (SBCri GPR:$src, so_imm_neg:$imm)>;
1090 // Note: These are implemented in C++ code, because they have to generate
1091 // ADD/SUBrs instructions, which use a complex pattern that a xform function
1093 // (mul X, 2^n+1) -> (add (X << n), X)
1094 // (mul X, 2^n-1) -> (rsb X, (X << n))
1097 //===----------------------------------------------------------------------===//
1098 // Bitwise Instructions.
1101 defm AND : AsI1_bin_irs<0b0000, "and",
1102 BinOpFrag<(and node:$LHS, node:$RHS)>, 1>;
1103 defm ORR : AsI1_bin_irs<0b1100, "orr",
1104 BinOpFrag<(or node:$LHS, node:$RHS)>, 1>;
1105 defm EOR : AsI1_bin_irs<0b0001, "eor",
1106 BinOpFrag<(xor node:$LHS, node:$RHS)>, 1>;
1107 defm BIC : AsI1_bin_irs<0b1110, "bic",
1108 BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
1110 def BFC : I<(outs GPR:$dst), (ins GPR:$src, bf_inv_mask_imm:$imm),
1111 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iALUi,
1112 "bfc", " $dst, $imm", "$src = $dst",
1113 [(set GPR:$dst, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
1114 Requires<[IsARM, HasV6T2]> {
1115 let Inst{27-21} = 0b0111110;
1116 let Inst{6-0} = 0b0011111;
1119 def MVNr : AsI1<0b1111, (outs GPR:$dst), (ins GPR:$src), DPFrm, IIC_iMOVr,
1120 "mvn", " $dst, $src",
1121 [(set GPR:$dst, (not GPR:$src))]>, UnaryDP;
1122 def MVNs : AsI1<0b1111, (outs GPR:$dst), (ins so_reg:$src), DPSoRegFrm,
1123 IIC_iMOVsr, "mvn", " $dst, $src",
1124 [(set GPR:$dst, (not so_reg:$src))]>, UnaryDP;
1125 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
1126 def MVNi : AsI1<0b1111, (outs GPR:$dst), (ins so_imm:$imm), DPFrm,
1127 IIC_iMOVi, "mvn", " $dst, $imm",
1128 [(set GPR:$dst, so_imm_not:$imm)]>,UnaryDP {
1132 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
1133 (BICri GPR:$src, so_imm_not:$imm)>;
1135 //===----------------------------------------------------------------------===//
1136 // Multiply Instructions.
1139 let isCommutable = 1 in
1140 def MUL : AsMul1I<0b0000000, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1141 IIC_iMUL32, "mul", " $dst, $a, $b",
1142 [(set GPR:$dst, (mul GPR:$a, GPR:$b))]>;
1144 def MLA : AsMul1I<0b0000001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1145 IIC_iMAC32, "mla", " $dst, $a, $b, $c",
1146 [(set GPR:$dst, (add (mul GPR:$a, GPR:$b), GPR:$c))]>;
1148 def MLS : AMul1I<0b0000011, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1149 IIC_iMAC32, "mls", " $dst, $a, $b, $c",
1150 [(set GPR:$dst, (sub GPR:$c, (mul GPR:$a, GPR:$b)))]>,
1151 Requires<[IsARM, HasV6T2]>;
1153 // Extra precision multiplies with low / high results
1154 let neverHasSideEffects = 1 in {
1155 let isCommutable = 1 in {
1156 def SMULL : AsMul1I<0b0000110, (outs GPR:$ldst, GPR:$hdst),
1157 (ins GPR:$a, GPR:$b), IIC_iMUL64,
1158 "smull", " $ldst, $hdst, $a, $b", []>;
1160 def UMULL : AsMul1I<0b0000100, (outs GPR:$ldst, GPR:$hdst),
1161 (ins GPR:$a, GPR:$b), IIC_iMUL64,
1162 "umull", " $ldst, $hdst, $a, $b", []>;
1165 // Multiply + accumulate
1166 def SMLAL : AsMul1I<0b0000111, (outs GPR:$ldst, GPR:$hdst),
1167 (ins GPR:$a, GPR:$b), IIC_iMAC64,
1168 "smlal", " $ldst, $hdst, $a, $b", []>;
1170 def UMLAL : AsMul1I<0b0000101, (outs GPR:$ldst, GPR:$hdst),
1171 (ins GPR:$a, GPR:$b), IIC_iMAC64,
1172 "umlal", " $ldst, $hdst, $a, $b", []>;
1174 def UMAAL : AMul1I <0b0000010, (outs GPR:$ldst, GPR:$hdst),
1175 (ins GPR:$a, GPR:$b), IIC_iMAC64,
1176 "umaal", " $ldst, $hdst, $a, $b", []>,
1177 Requires<[IsARM, HasV6]>;
1178 } // neverHasSideEffects
1180 // Most significant word multiply
1181 def SMMUL : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1182 IIC_iMUL32, "smmul", " $dst, $a, $b",
1183 [(set GPR:$dst, (mulhs GPR:$a, GPR:$b))]>,
1184 Requires<[IsARM, HasV6]> {
1185 let Inst{7-4} = 0b0001;
1186 let Inst{15-12} = 0b1111;
1189 def SMMLA : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1190 IIC_iMAC32, "smmla", " $dst, $a, $b, $c",
1191 [(set GPR:$dst, (add (mulhs GPR:$a, GPR:$b), GPR:$c))]>,
1192 Requires<[IsARM, HasV6]> {
1193 let Inst{7-4} = 0b0001;
1197 def SMMLS : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1198 IIC_iMAC32, "smmls", " $dst, $a, $b, $c",
1199 [(set GPR:$dst, (sub GPR:$c, (mulhs GPR:$a, GPR:$b)))]>,
1200 Requires<[IsARM, HasV6]> {
1201 let Inst{7-4} = 0b1101;
1204 multiclass AI_smul<string opc, PatFrag opnode> {
1205 def BB : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1206 IIC_iMUL32, !strconcat(opc, "bb"), " $dst, $a, $b",
1207 [(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16),
1208 (sext_inreg GPR:$b, i16)))]>,
1209 Requires<[IsARM, HasV5TE]> {
1214 def BT : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1215 IIC_iMUL32, !strconcat(opc, "bt"), " $dst, $a, $b",
1216 [(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16),
1217 (sra GPR:$b, (i32 16))))]>,
1218 Requires<[IsARM, HasV5TE]> {
1223 def TB : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1224 IIC_iMUL32, !strconcat(opc, "tb"), " $dst, $a, $b",
1225 [(set GPR:$dst, (opnode (sra GPR:$a, (i32 16)),
1226 (sext_inreg GPR:$b, i16)))]>,
1227 Requires<[IsARM, HasV5TE]> {
1232 def TT : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1233 IIC_iMUL32, !strconcat(opc, "tt"), " $dst, $a, $b",
1234 [(set GPR:$dst, (opnode (sra GPR:$a, (i32 16)),
1235 (sra GPR:$b, (i32 16))))]>,
1236 Requires<[IsARM, HasV5TE]> {
1241 def WB : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1242 IIC_iMUL16, !strconcat(opc, "wb"), " $dst, $a, $b",
1243 [(set GPR:$dst, (sra (opnode GPR:$a,
1244 (sext_inreg GPR:$b, i16)), (i32 16)))]>,
1245 Requires<[IsARM, HasV5TE]> {
1250 def WT : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1251 IIC_iMUL16, !strconcat(opc, "wt"), " $dst, $a, $b",
1252 [(set GPR:$dst, (sra (opnode GPR:$a,
1253 (sra GPR:$b, (i32 16))), (i32 16)))]>,
1254 Requires<[IsARM, HasV5TE]> {
1261 multiclass AI_smla<string opc, PatFrag opnode> {
1262 def BB : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1263 IIC_iMAC16, !strconcat(opc, "bb"), " $dst, $a, $b, $acc",
1264 [(set GPR:$dst, (add GPR:$acc,
1265 (opnode (sext_inreg GPR:$a, i16),
1266 (sext_inreg GPR:$b, i16))))]>,
1267 Requires<[IsARM, HasV5TE]> {
1272 def BT : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1273 IIC_iMAC16, !strconcat(opc, "bt"), " $dst, $a, $b, $acc",
1274 [(set GPR:$dst, (add GPR:$acc, (opnode (sext_inreg GPR:$a, i16),
1275 (sra GPR:$b, (i32 16)))))]>,
1276 Requires<[IsARM, HasV5TE]> {
1281 def TB : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1282 IIC_iMAC16, !strconcat(opc, "tb"), " $dst, $a, $b, $acc",
1283 [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, (i32 16)),
1284 (sext_inreg GPR:$b, i16))))]>,
1285 Requires<[IsARM, HasV5TE]> {
1290 def TT : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1291 IIC_iMAC16, !strconcat(opc, "tt"), " $dst, $a, $b, $acc",
1292 [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, (i32 16)),
1293 (sra GPR:$b, (i32 16)))))]>,
1294 Requires<[IsARM, HasV5TE]> {
1299 def WB : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1300 IIC_iMAC16, !strconcat(opc, "wb"), " $dst, $a, $b, $acc",
1301 [(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a,
1302 (sext_inreg GPR:$b, i16)), (i32 16))))]>,
1303 Requires<[IsARM, HasV5TE]> {
1308 def WT : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1309 IIC_iMAC16, !strconcat(opc, "wt"), " $dst, $a, $b, $acc",
1310 [(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a,
1311 (sra GPR:$b, (i32 16))), (i32 16))))]>,
1312 Requires<[IsARM, HasV5TE]> {
1318 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
1319 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
1321 // TODO: Halfword multiple accumulate long: SMLAL<x><y>
1322 // TODO: Dual halfword multiple: SMUAD, SMUSD, SMLAD, SMLSD, SMLALD, SMLSLD
1324 //===----------------------------------------------------------------------===//
1325 // Misc. Arithmetic Instructions.
1328 def CLZ : AMiscA1I<0b000010110, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
1329 "clz", " $dst, $src",
1330 [(set GPR:$dst, (ctlz GPR:$src))]>, Requires<[IsARM, HasV5T]> {
1331 let Inst{7-4} = 0b0001;
1332 let Inst{11-8} = 0b1111;
1333 let Inst{19-16} = 0b1111;
1336 def REV : AMiscA1I<0b01101011, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
1337 "rev", " $dst, $src",
1338 [(set GPR:$dst, (bswap GPR:$src))]>, Requires<[IsARM, HasV6]> {
1339 let Inst{7-4} = 0b0011;
1340 let Inst{11-8} = 0b1111;
1341 let Inst{19-16} = 0b1111;
1344 def REV16 : AMiscA1I<0b01101011, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
1345 "rev16", " $dst, $src",
1347 (or (and (srl GPR:$src, (i32 8)), 0xFF),
1348 (or (and (shl GPR:$src, (i32 8)), 0xFF00),
1349 (or (and (srl GPR:$src, (i32 8)), 0xFF0000),
1350 (and (shl GPR:$src, (i32 8)), 0xFF000000)))))]>,
1351 Requires<[IsARM, HasV6]> {
1352 let Inst{7-4} = 0b1011;
1353 let Inst{11-8} = 0b1111;
1354 let Inst{19-16} = 0b1111;
1357 def REVSH : AMiscA1I<0b01101111, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
1358 "revsh", " $dst, $src",
1361 (or (srl (and GPR:$src, 0xFF00), (i32 8)),
1362 (shl GPR:$src, (i32 8))), i16))]>,
1363 Requires<[IsARM, HasV6]> {
1364 let Inst{7-4} = 0b1011;
1365 let Inst{11-8} = 0b1111;
1366 let Inst{19-16} = 0b1111;
1369 def PKHBT : AMiscA1I<0b01101000, (outs GPR:$dst),
1370 (ins GPR:$src1, GPR:$src2, i32imm:$shamt),
1371 IIC_iALUsi, "pkhbt", " $dst, $src1, $src2, LSL $shamt",
1372 [(set GPR:$dst, (or (and GPR:$src1, 0xFFFF),
1373 (and (shl GPR:$src2, (i32 imm:$shamt)),
1375 Requires<[IsARM, HasV6]> {
1376 let Inst{6-4} = 0b001;
1379 // Alternate cases for PKHBT where identities eliminate some nodes.
1380 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF), (and GPR:$src2, 0xFFFF0000)),
1381 (PKHBT GPR:$src1, GPR:$src2, 0)>;
1382 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF), (shl GPR:$src2, imm16_31:$shamt)),
1383 (PKHBT GPR:$src1, GPR:$src2, imm16_31:$shamt)>;
1386 def PKHTB : AMiscA1I<0b01101000, (outs GPR:$dst),
1387 (ins GPR:$src1, GPR:$src2, i32imm:$shamt),
1388 IIC_iALUsi, "pkhtb", " $dst, $src1, $src2, ASR $shamt",
1389 [(set GPR:$dst, (or (and GPR:$src1, 0xFFFF0000),
1390 (and (sra GPR:$src2, imm16_31:$shamt),
1391 0xFFFF)))]>, Requires<[IsARM, HasV6]> {
1392 let Inst{6-4} = 0b101;
1395 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
1396 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
1397 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000), (srl GPR:$src2, (i32 16))),
1398 (PKHTB GPR:$src1, GPR:$src2, 16)>;
1399 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000),
1400 (and (srl GPR:$src2, imm1_15:$shamt), 0xFFFF)),
1401 (PKHTB GPR:$src1, GPR:$src2, imm1_15:$shamt)>;
1403 //===----------------------------------------------------------------------===//
1404 // Comparison Instructions...
1407 defm CMP : AI1_cmp_irs<0b1010, "cmp",
1408 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
1409 defm CMN : AI1_cmp_irs<0b1011, "cmn",
1410 BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
1412 // Note that TST/TEQ don't set all the same flags that CMP does!
1413 defm TST : AI1_cmp_irs<0b1000, "tst",
1414 BinOpFrag<(ARMcmpZ (and node:$LHS, node:$RHS), 0)>, 1>;
1415 defm TEQ : AI1_cmp_irs<0b1001, "teq",
1416 BinOpFrag<(ARMcmpZ (xor node:$LHS, node:$RHS), 0)>, 1>;
1418 defm CMPz : AI1_cmp_irs<0b1010, "cmp",
1419 BinOpFrag<(ARMcmpZ node:$LHS, node:$RHS)>>;
1420 defm CMNz : AI1_cmp_irs<0b1011, "cmn",
1421 BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>>;
1423 def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
1424 (CMNri GPR:$src, so_imm_neg:$imm)>;
1426 def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
1427 (CMNri GPR:$src, so_imm_neg:$imm)>;
1430 // Conditional moves
1431 // FIXME: should be able to write a pattern for ARMcmov, but can't use
1432 // a two-value operand where a dag node expects two operands. :(
1433 def MOVCCr : AI1<0b1101, (outs GPR:$dst), (ins GPR:$false, GPR:$true), DPFrm,
1434 IIC_iCMOVr, "mov", " $dst, $true",
1435 [/*(set GPR:$dst, (ARMcmov GPR:$false, GPR:$true, imm:$cc, CCR:$ccr))*/]>,
1436 RegConstraint<"$false = $dst">, UnaryDP;
1438 def MOVCCs : AI1<0b1101, (outs GPR:$dst),
1439 (ins GPR:$false, so_reg:$true), DPSoRegFrm, IIC_iCMOVsr,
1440 "mov", " $dst, $true",
1441 [/*(set GPR:$dst, (ARMcmov GPR:$false, so_reg:$true, imm:$cc, CCR:$ccr))*/]>,
1442 RegConstraint<"$false = $dst">, UnaryDP;
1444 def MOVCCi : AI1<0b1101, (outs GPR:$dst),
1445 (ins GPR:$false, so_imm:$true), DPFrm, IIC_iCMOVi,
1446 "mov", " $dst, $true",
1447 [/*(set GPR:$dst, (ARMcmov GPR:$false, so_imm:$true, imm:$cc, CCR:$ccr))*/]>,
1448 RegConstraint<"$false = $dst">, UnaryDP {
1453 //===----------------------------------------------------------------------===//
1457 // __aeabi_read_tp preserves the registers r1-r3.
1459 Defs = [R0, R12, LR, CPSR] in {
1460 def TPsoft : ABXI<0b1011, (outs), (ins), IIC_Br,
1461 "bl __aeabi_read_tp",
1462 [(set R0, ARMthread_pointer)]>;
1465 //===----------------------------------------------------------------------===//
1466 // SJLJ Exception handling intrinsics
1467 // eh_sjlj_setjmp() is an instruction sequence to store the return
1468 // address and save #0 in R0 for the non-longjmp case.
1469 // Since by its nature we may be coming from some other function to get
1470 // here, and we're using the stack frame for the containing function to
1471 // save/restore registers, we can't keep anything live in regs across
1472 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
1473 // when we get here from a longjmp(). We force everthing out of registers
1474 // except for our own input by listing the relevant registers in Defs. By
1475 // doing so, we also cause the prologue/epilogue code to actively preserve
1476 // all of the callee-saved resgisters, which is exactly what we want.
1478 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, D0,
1479 D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15,
1480 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26, D27, D28, D29, D30,
1482 def Int_eh_sjlj_setjmp : XI<(outs), (ins GPR:$src),
1483 AddrModeNone, SizeSpecial, IndexModeNone,
1484 Pseudo, NoItinerary,
1485 "str sp, [$src, #+8] @ eh_setjmp begin\n\t"
1486 "add r12, pc, #8\n\t"
1487 "str r12, [$src, #+4]\n\t"
1489 "add pc, pc, #0\n\t"
1490 "mov r0, #1 @ eh_setjmp end", "",
1491 [(set R0, (ARMeh_sjlj_setjmp GPR:$src))]>;
1494 //===----------------------------------------------------------------------===//
1495 // Non-Instruction Patterns
1498 // ConstantPool, GlobalAddress, and JumpTable
1499 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>;
1500 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
1501 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
1502 (LEApcrelJT tjumptable:$dst, imm:$id)>;
1504 // Large immediate handling.
1506 // Two piece so_imms.
1507 let isReMaterializable = 1 in
1508 def MOVi2pieces : AI1x2<(outs GPR:$dst), (ins so_imm2part:$src),
1510 "mov", " $dst, $src",
1511 [(set GPR:$dst, so_imm2part:$src)]>,
1512 Requires<[IsARM, NoV6T2]>;
1514 def : ARMPat<(or GPR:$LHS, so_imm2part:$RHS),
1515 (ORRri (ORRri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
1516 (so_imm2part_2 imm:$RHS))>;
1517 def : ARMPat<(xor GPR:$LHS, so_imm2part:$RHS),
1518 (EORri (EORri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
1519 (so_imm2part_2 imm:$RHS))>;
1521 // 32-bit immediate using movw + movt.
1522 // This is a single pseudo instruction to make it re-materializable. Remove
1523 // when we can do generalized remat.
1524 let isReMaterializable = 1 in
1525 def MOVi32imm : AI1x2<(outs GPR:$dst), (ins i32imm:$src), Pseudo, IIC_iMOVi,
1526 "movw", " $dst, ${src:lo16}\n\tmovt${p} $dst, ${src:hi16}",
1527 [(set GPR:$dst, (i32 imm:$src))]>,
1528 Requires<[IsARM, HasV6T2]>;
1530 // TODO: add,sub,and, 3-instr forms?
1534 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>,
1535 Requires<[IsARM, IsNotDarwin]>;
1536 def : ARMPat<(ARMcall texternalsym:$func), (BLr9 texternalsym:$func)>,
1537 Requires<[IsARM, IsDarwin]>;
1539 // zextload i1 -> zextload i8
1540 def : ARMPat<(zextloadi1 addrmode2:$addr), (LDRB addrmode2:$addr)>;
1542 // extload -> zextload
1543 def : ARMPat<(extloadi1 addrmode2:$addr), (LDRB addrmode2:$addr)>;
1544 def : ARMPat<(extloadi8 addrmode2:$addr), (LDRB addrmode2:$addr)>;
1545 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
1547 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
1548 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
1551 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
1552 (sra (shl GPR:$b, (i32 16)), (i32 16))),
1553 (SMULBB GPR:$a, GPR:$b)>;
1554 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
1555 (SMULBB GPR:$a, GPR:$b)>;
1556 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
1557 (sra GPR:$b, (i32 16))),
1558 (SMULBT GPR:$a, GPR:$b)>;
1559 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
1560 (SMULBT GPR:$a, GPR:$b)>;
1561 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
1562 (sra (shl GPR:$b, (i32 16)), (i32 16))),
1563 (SMULTB GPR:$a, GPR:$b)>;
1564 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
1565 (SMULTB GPR:$a, GPR:$b)>;
1566 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
1568 (SMULWB GPR:$a, GPR:$b)>;
1569 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
1570 (SMULWB GPR:$a, GPR:$b)>;
1572 def : ARMV5TEPat<(add GPR:$acc,
1573 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
1574 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
1575 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
1576 def : ARMV5TEPat<(add GPR:$acc,
1577 (mul sext_16_node:$a, sext_16_node:$b)),
1578 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
1579 def : ARMV5TEPat<(add GPR:$acc,
1580 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
1581 (sra GPR:$b, (i32 16)))),
1582 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
1583 def : ARMV5TEPat<(add GPR:$acc,
1584 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
1585 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
1586 def : ARMV5TEPat<(add GPR:$acc,
1587 (mul (sra GPR:$a, (i32 16)),
1588 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
1589 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
1590 def : ARMV5TEPat<(add GPR:$acc,
1591 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
1592 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
1593 def : ARMV5TEPat<(add GPR:$acc,
1594 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
1596 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
1597 def : ARMV5TEPat<(add GPR:$acc,
1598 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
1599 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
1601 //===----------------------------------------------------------------------===//
1605 include "ARMInstrThumb.td"
1607 //===----------------------------------------------------------------------===//
1611 include "ARMInstrThumb2.td"
1613 //===----------------------------------------------------------------------===//
1614 // Floating Point Support
1617 include "ARMInstrVFP.td"
1619 //===----------------------------------------------------------------------===//
1620 // Advanced SIMD (NEON) Support
1623 include "ARMInstrNEON.td"