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 HasV7 : Predicate<"Subtarget->hasV7Ops()">;
104 def HasVFP2 : Predicate<"Subtarget->hasVFP2()">;
105 def HasVFP3 : Predicate<"Subtarget->hasVFP3()">;
106 def HasNEON : Predicate<"Subtarget->hasNEON()">;
107 def UseNEONForFP : Predicate<"Subtarget->useNEONForSinglePrecisionFP()">;
108 def DontUseNEONForFP : Predicate<"!Subtarget->useNEONForSinglePrecisionFP()">;
109 def IsThumb : Predicate<"Subtarget->isThumb()">;
110 def IsThumb1Only : Predicate<"Subtarget->isThumb1Only()">;
111 def IsThumb2 : Predicate<"Subtarget->isThumb2()">;
112 def IsARM : Predicate<"!Subtarget->isThumb()">;
113 def IsDarwin : Predicate<"Subtarget->isTargetDarwin()">;
114 def IsNotDarwin : Predicate<"!Subtarget->isTargetDarwin()">;
115 def CarryDefIsUnused : Predicate<"!N.getNode()->hasAnyUseOfValue(1)">;
116 def CarryDefIsUsed : Predicate<"N.getNode()->hasAnyUseOfValue(1)">;
118 //===----------------------------------------------------------------------===//
119 // ARM Flag Definitions.
121 class RegConstraint<string C> {
122 string Constraints = C;
125 //===----------------------------------------------------------------------===//
126 // ARM specific transformation functions and pattern fragments.
129 // so_imm_neg_XFORM - Return a so_imm value packed into the format described for
130 // so_imm_neg def below.
131 def so_imm_neg_XFORM : SDNodeXForm<imm, [{
132 return CurDAG->getTargetConstant(-(int)N->getZExtValue(), MVT::i32);
135 // so_imm_not_XFORM - Return a so_imm value packed into the format described for
136 // so_imm_not def below.
137 def so_imm_not_XFORM : SDNodeXForm<imm, [{
138 return CurDAG->getTargetConstant(~(int)N->getZExtValue(), MVT::i32);
141 // rot_imm predicate - True if the 32-bit immediate is equal to 8, 16, or 24.
142 def rot_imm : PatLeaf<(i32 imm), [{
143 int32_t v = (int32_t)N->getZExtValue();
144 return v == 8 || v == 16 || v == 24;
147 /// imm1_15 predicate - True if the 32-bit immediate is in the range [1,15].
148 def imm1_15 : PatLeaf<(i32 imm), [{
149 return (int32_t)N->getZExtValue() >= 1 && (int32_t)N->getZExtValue() < 16;
152 /// imm16_31 predicate - True if the 32-bit immediate is in the range [16,31].
153 def imm16_31 : PatLeaf<(i32 imm), [{
154 return (int32_t)N->getZExtValue() >= 16 && (int32_t)N->getZExtValue() < 32;
159 return ARM_AM::getSOImmVal(-(int)N->getZExtValue()) != -1;
160 }], so_imm_neg_XFORM>;
164 return ARM_AM::getSOImmVal(~(int)N->getZExtValue()) != -1;
165 }], so_imm_not_XFORM>;
167 // sext_16_node predicate - True if the SDNode is sign-extended 16 or more bits.
168 def sext_16_node : PatLeaf<(i32 GPR:$a), [{
169 return CurDAG->ComputeNumSignBits(SDValue(N,0)) >= 17;
172 /// bf_inv_mask_imm predicate - An AND mask to clear an arbitrary width bitfield
174 def bf_inv_mask_imm : Operand<i32>,
176 uint32_t v = (uint32_t)N->getZExtValue();
179 // there can be 1's on either or both "outsides", all the "inside"
181 unsigned int lsb = 0, msb = 31;
182 while (v & (1 << msb)) --msb;
183 while (v & (1 << lsb)) ++lsb;
184 for (unsigned int i = lsb; i <= msb; ++i) {
190 let PrintMethod = "printBitfieldInvMaskImmOperand";
193 class BinOpFrag<dag res> : PatFrag<(ops node:$LHS, node:$RHS), res>;
194 class UnOpFrag <dag res> : PatFrag<(ops node:$Src), res>;
196 //===----------------------------------------------------------------------===//
197 // Operand Definitions.
201 def brtarget : Operand<OtherVT>;
203 // A list of registers separated by comma. Used by load/store multiple.
204 def reglist : Operand<i32> {
205 let PrintMethod = "printRegisterList";
208 // An operand for the CONSTPOOL_ENTRY pseudo-instruction.
209 def cpinst_operand : Operand<i32> {
210 let PrintMethod = "printCPInstOperand";
213 def jtblock_operand : Operand<i32> {
214 let PrintMethod = "printJTBlockOperand";
216 def jt2block_operand : Operand<i32> {
217 let PrintMethod = "printJT2BlockOperand";
221 def pclabel : Operand<i32> {
222 let PrintMethod = "printPCLabel";
225 // shifter_operand operands: so_reg and so_imm.
226 def so_reg : Operand<i32>, // reg reg imm
227 ComplexPattern<i32, 3, "SelectShifterOperandReg",
228 [shl,srl,sra,rotr]> {
229 let PrintMethod = "printSORegOperand";
230 let MIOperandInfo = (ops GPR, GPR, i32imm);
233 // so_imm - Match a 32-bit shifter_operand immediate operand, which is an
234 // 8-bit immediate rotated by an arbitrary number of bits. so_imm values are
235 // represented in the imm field in the same 12-bit form that they are encoded
236 // into so_imm instructions: the 8-bit immediate is the least significant bits
237 // [bits 0-7], the 4-bit shift amount is the next 4 bits [bits 8-11].
238 def so_imm : Operand<i32>,
240 return ARM_AM::getSOImmVal(N->getZExtValue()) != -1;
242 let PrintMethod = "printSOImmOperand";
245 // Break so_imm's up into two pieces. This handles immediates with up to 16
246 // bits set in them. This uses so_imm2part to match and so_imm2part_[12] to
247 // get the first/second pieces.
248 def so_imm2part : Operand<i32>,
250 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
252 let PrintMethod = "printSOImm2PartOperand";
255 def so_imm2part_1 : SDNodeXForm<imm, [{
256 unsigned V = ARM_AM::getSOImmTwoPartFirst((unsigned)N->getZExtValue());
257 return CurDAG->getTargetConstant(V, MVT::i32);
260 def so_imm2part_2 : SDNodeXForm<imm, [{
261 unsigned V = ARM_AM::getSOImmTwoPartSecond((unsigned)N->getZExtValue());
262 return CurDAG->getTargetConstant(V, MVT::i32);
266 // Define ARM specific addressing modes.
268 // addrmode2 := reg +/- reg shop imm
269 // addrmode2 := reg +/- imm12
271 def addrmode2 : Operand<i32>,
272 ComplexPattern<i32, 3, "SelectAddrMode2", []> {
273 let PrintMethod = "printAddrMode2Operand";
274 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
277 def am2offset : Operand<i32>,
278 ComplexPattern<i32, 2, "SelectAddrMode2Offset", []> {
279 let PrintMethod = "printAddrMode2OffsetOperand";
280 let MIOperandInfo = (ops GPR, i32imm);
283 // addrmode3 := reg +/- reg
284 // addrmode3 := reg +/- imm8
286 def addrmode3 : Operand<i32>,
287 ComplexPattern<i32, 3, "SelectAddrMode3", []> {
288 let PrintMethod = "printAddrMode3Operand";
289 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
292 def am3offset : Operand<i32>,
293 ComplexPattern<i32, 2, "SelectAddrMode3Offset", []> {
294 let PrintMethod = "printAddrMode3OffsetOperand";
295 let MIOperandInfo = (ops GPR, i32imm);
298 // addrmode4 := reg, <mode|W>
300 def addrmode4 : Operand<i32>,
301 ComplexPattern<i32, 2, "SelectAddrMode4", []> {
302 let PrintMethod = "printAddrMode4Operand";
303 let MIOperandInfo = (ops GPR, i32imm);
306 // addrmode5 := reg +/- imm8*4
308 def addrmode5 : Operand<i32>,
309 ComplexPattern<i32, 2, "SelectAddrMode5", []> {
310 let PrintMethod = "printAddrMode5Operand";
311 let MIOperandInfo = (ops GPR, i32imm);
314 // addrmode6 := reg with optional writeback
316 def addrmode6 : Operand<i32>,
317 ComplexPattern<i32, 3, "SelectAddrMode6", []> {
318 let PrintMethod = "printAddrMode6Operand";
319 let MIOperandInfo = (ops GPR:$addr, GPR:$upd, i32imm);
322 // addrmodepc := pc + reg
324 def addrmodepc : Operand<i32>,
325 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
326 let PrintMethod = "printAddrModePCOperand";
327 let MIOperandInfo = (ops GPR, i32imm);
330 //===----------------------------------------------------------------------===//
332 include "ARMInstrFormats.td"
334 //===----------------------------------------------------------------------===//
335 // Multiclass helpers...
338 /// AsI1_bin_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns for a
339 /// binop that produces a value.
340 multiclass AsI1_bin_irs<bits<4> opcod, string opc, PatFrag opnode,
341 bit Commutable = 0> {
342 def ri : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
343 IIC_iALU, opc, " $dst, $a, $b",
344 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]> {
347 def rr : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
348 IIC_iALU, opc, " $dst, $a, $b",
349 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]> {
351 let isCommutable = Commutable;
353 def rs : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
354 IIC_iALU, opc, " $dst, $a, $b",
355 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]> {
360 /// AI1_bin_s_irs - Similar to AsI1_bin_irs except it sets the 's' bit so the
361 /// instruction modifies the CSPR register.
362 let Defs = [CPSR] in {
363 multiclass AI1_bin_s_irs<bits<4> opcod, string opc, PatFrag opnode,
364 bit Commutable = 0> {
365 def ri : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
366 IIC_iALU, opc, "s $dst, $a, $b",
367 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]> {
370 def rr : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
371 IIC_iALU, opc, "s $dst, $a, $b",
372 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]> {
373 let isCommutable = Commutable;
376 def rs : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
377 IIC_iALU, opc, "s $dst, $a, $b",
378 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]> {
384 /// AI1_cmp_irs - Defines a set of (op r, {so_imm|r|so_reg}) cmp / test
385 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
386 /// a explicit result, only implicitly set CPSR.
387 let Defs = [CPSR] in {
388 multiclass AI1_cmp_irs<bits<4> opcod, string opc, PatFrag opnode,
389 bit Commutable = 0> {
390 def ri : AI1<opcod, (outs), (ins GPR:$a, so_imm:$b), DPFrm, IIC_iALU,
392 [(opnode GPR:$a, so_imm:$b)]> {
395 def rr : AI1<opcod, (outs), (ins GPR:$a, GPR:$b), DPFrm, IIC_iALU,
397 [(opnode GPR:$a, GPR:$b)]> {
399 let isCommutable = Commutable;
401 def rs : AI1<opcod, (outs), (ins GPR:$a, so_reg:$b), DPSoRegFrm, IIC_iALU,
403 [(opnode GPR:$a, so_reg:$b)]> {
409 /// AI_unary_rrot - A unary operation with two forms: one whose operand is a
410 /// register and one whose operand is a register rotated by 8/16/24.
411 /// FIXME: Remove the 'r' variant. Its rot_imm is zero.
412 multiclass AI_unary_rrot<bits<8> opcod, string opc, PatFrag opnode> {
413 def r : AExtI<opcod, (outs GPR:$dst), (ins GPR:$Src),
414 IIC_iALU, opc, " $dst, $Src",
415 [(set GPR:$dst, (opnode GPR:$Src))]>,
416 Requires<[IsARM, HasV6]> {
417 let Inst{19-16} = 0b1111;
419 def r_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$Src, i32imm:$rot),
420 IIC_iALU, opc, " $dst, $Src, ror $rot",
421 [(set GPR:$dst, (opnode (rotr GPR:$Src, rot_imm:$rot)))]>,
422 Requires<[IsARM, HasV6]> {
423 let Inst{19-16} = 0b1111;
427 /// AI_bin_rrot - A binary operation with two forms: one whose operand is a
428 /// register and one whose operand is a register rotated by 8/16/24.
429 multiclass AI_bin_rrot<bits<8> opcod, string opc, PatFrag opnode> {
430 def rr : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS),
431 IIC_iALU, opc, " $dst, $LHS, $RHS",
432 [(set GPR:$dst, (opnode GPR:$LHS, GPR:$RHS))]>,
433 Requires<[IsARM, HasV6]>;
434 def rr_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS, i32imm:$rot),
435 IIC_iALU, opc, " $dst, $LHS, $RHS, ror $rot",
436 [(set GPR:$dst, (opnode GPR:$LHS,
437 (rotr GPR:$RHS, rot_imm:$rot)))]>,
438 Requires<[IsARM, HasV6]>;
441 /// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
442 let Uses = [CPSR] in {
443 multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode,
444 bit Commutable = 0> {
445 def ri : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
446 DPFrm, IIC_iALU, opc, " $dst, $a, $b",
447 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]>,
448 Requires<[IsARM, CarryDefIsUnused]> {
451 def rr : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
452 DPFrm, IIC_iALU, opc, " $dst, $a, $b",
453 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]>,
454 Requires<[IsARM, CarryDefIsUnused]> {
455 let isCommutable = Commutable;
458 def rs : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
459 DPSoRegFrm, IIC_iALU, opc, " $dst, $a, $b",
460 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]>,
461 Requires<[IsARM, CarryDefIsUnused]> {
464 // Carry setting variants
465 def Sri : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
466 DPFrm, IIC_iALU, !strconcat(opc, "s $dst, $a, $b"),
467 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]>,
468 Requires<[IsARM, CarryDefIsUsed]> {
472 def Srr : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
473 DPFrm, IIC_iALU, !strconcat(opc, "s $dst, $a, $b"),
474 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]>,
475 Requires<[IsARM, CarryDefIsUsed]> {
479 def Srs : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
480 DPSoRegFrm, IIC_iALU, !strconcat(opc, "s $dst, $a, $b"),
481 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]>,
482 Requires<[IsARM, CarryDefIsUsed]> {
489 //===----------------------------------------------------------------------===//
491 //===----------------------------------------------------------------------===//
493 //===----------------------------------------------------------------------===//
494 // Miscellaneous Instructions.
497 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
498 /// the function. The first operand is the ID# for this instruction, the second
499 /// is the index into the MachineConstantPool that this is, the third is the
500 /// size in bytes of this constant pool entry.
501 let neverHasSideEffects = 1, isNotDuplicable = 1 in
502 def CONSTPOOL_ENTRY :
503 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
504 i32imm:$size), NoItinerary,
505 "${instid:label} ${cpidx:cpentry}", []>;
507 let Defs = [SP], Uses = [SP] in {
509 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary,
510 "@ ADJCALLSTACKUP $amt1",
511 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
513 def ADJCALLSTACKDOWN :
514 PseudoInst<(outs), (ins i32imm:$amt, pred:$p), NoItinerary,
515 "@ ADJCALLSTACKDOWN $amt",
516 [(ARMcallseq_start timm:$amt)]>;
520 PseudoInst<(outs), (ins i32imm:$line, i32imm:$col, i32imm:$file), NoItinerary,
521 ".loc $file, $line, $col",
522 [(dwarf_loc (i32 imm:$line), (i32 imm:$col), (i32 imm:$file))]>;
525 // Address computation and loads and stores in PIC mode.
526 let isNotDuplicable = 1 in {
527 def PICADD : AXI1<0b0100, (outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
528 Pseudo, IIC_iALU, "$cp:\n\tadd$p $dst, pc, $a",
529 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
531 let AddedComplexity = 10 in {
532 let canFoldAsLoad = 1 in
533 def PICLDR : AXI2ldw<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
534 Pseudo, IIC_iLoad, "${addr:label}:\n\tldr$p $dst, $addr",
535 [(set GPR:$dst, (load addrmodepc:$addr))]>;
537 def PICLDRH : AXI3ldh<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
538 Pseudo, IIC_iLoad, "${addr:label}:\n\tldr${p}h $dst, $addr",
539 [(set GPR:$dst, (zextloadi16 addrmodepc:$addr))]>;
541 def PICLDRB : AXI2ldb<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
542 Pseudo, IIC_iLoad, "${addr:label}:\n\tldr${p}b $dst, $addr",
543 [(set GPR:$dst, (zextloadi8 addrmodepc:$addr))]>;
545 def PICLDRSH : AXI3ldsh<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
546 Pseudo, IIC_iLoad, "${addr:label}:\n\tldr${p}sh $dst, $addr",
547 [(set GPR:$dst, (sextloadi16 addrmodepc:$addr))]>;
549 def PICLDRSB : AXI3ldsb<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
550 Pseudo, IIC_iLoad, "${addr:label}:\n\tldr${p}sb $dst, $addr",
551 [(set GPR:$dst, (sextloadi8 addrmodepc:$addr))]>;
553 let AddedComplexity = 10 in {
554 def PICSTR : AXI2stw<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
555 Pseudo, IIC_iStore, "${addr:label}:\n\tstr$p $src, $addr",
556 [(store GPR:$src, addrmodepc:$addr)]>;
558 def PICSTRH : AXI3sth<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
559 Pseudo, IIC_iStore, "${addr:label}:\n\tstr${p}h $src, $addr",
560 [(truncstorei16 GPR:$src, addrmodepc:$addr)]>;
562 def PICSTRB : AXI2stb<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
563 Pseudo, IIC_iStore, "${addr:label}:\n\tstr${p}b $src, $addr",
564 [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
566 } // isNotDuplicable = 1
569 // LEApcrel - Load a pc-relative address into a register without offending the
571 def LEApcrel : AXI1<0x0, (outs GPR:$dst), (ins i32imm:$label, pred:$p),
573 !strconcat(!strconcat(".set ${:private}PCRELV${:uid}, ($label-(",
574 "${:private}PCRELL${:uid}+8))\n"),
575 !strconcat("${:private}PCRELL${:uid}:\n\t",
576 "add$p $dst, pc, #${:private}PCRELV${:uid}")),
579 def LEApcrelJT : AXI1<0x0, (outs GPR:$dst),
580 (ins i32imm:$label, i32imm:$id, pred:$p),
582 !strconcat(!strconcat(".set ${:private}PCRELV${:uid}, "
583 "(${label}_${id:no_hash}-(",
584 "${:private}PCRELL${:uid}+8))\n"),
585 !strconcat("${:private}PCRELL${:uid}:\n\t",
586 "add$p $dst, pc, #${:private}PCRELV${:uid}")),
591 //===----------------------------------------------------------------------===//
592 // Control Flow Instructions.
595 let isReturn = 1, isTerminator = 1 in
596 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
597 "bx", " lr", [(ARMretflag)]> {
598 let Inst{7-4} = 0b0001;
599 let Inst{19-8} = 0b111111111111;
600 let Inst{27-20} = 0b00010010;
603 // FIXME: remove when we have a way to marking a MI with these properties.
604 // FIXME: $dst1 should be a def. But the extra ops must be in the end of the
606 // FIXME: Should pc be an implicit operand like PICADD, etc?
607 let isReturn = 1, isTerminator = 1, mayLoad = 1 in
608 def LDM_RET : AXI4ld<(outs),
609 (ins addrmode4:$addr, pred:$p, reglist:$dst1, variable_ops),
610 LdStMulFrm, IIC_Br, "ldm${p}${addr:submode} $addr, $dst1",
613 // On non-Darwin platforms R9 is callee-saved.
614 let isCall = 1, Itinerary = IIC_Br,
615 Defs = [R0, R1, R2, R3, R12, LR,
616 D0, D1, D2, D3, D4, D5, D6, D7,
617 D16, D17, D18, D19, D20, D21, D22, D23,
618 D24, D25, D26, D27, D28, D29, D30, D31, CPSR] in {
619 def BL : ABXI<0b1011, (outs), (ins i32imm:$func, variable_ops),
620 IIC_Br, "bl ${func:call}",
621 [(ARMcall tglobaladdr:$func)]>,
622 Requires<[IsARM, IsNotDarwin]>;
624 def BL_pred : ABI<0b1011, (outs), (ins i32imm:$func, variable_ops),
625 IIC_Br, "bl", " ${func:call}",
626 [(ARMcall_pred tglobaladdr:$func)]>,
627 Requires<[IsARM, IsNotDarwin]>;
630 def BLX : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
632 [(ARMcall GPR:$func)]>,
633 Requires<[IsARM, HasV5T, IsNotDarwin]> {
634 let Inst{7-4} = 0b0011;
635 let Inst{19-8} = 0b111111111111;
636 let Inst{27-20} = 0b00010010;
640 def BX : ABXIx2<(outs), (ins GPR:$func, variable_ops),
641 IIC_Br, "mov lr, pc\n\tbx $func",
642 [(ARMcall_nolink GPR:$func)]>,
643 Requires<[IsARM, IsNotDarwin]> {
644 let Inst{7-4} = 0b0001;
645 let Inst{19-8} = 0b111111111111;
646 let Inst{27-20} = 0b00010010;
650 // On Darwin R9 is call-clobbered.
651 let isCall = 1, Itinerary = IIC_Br,
652 Defs = [R0, R1, R2, R3, R9, R12, LR,
653 D0, D1, D2, D3, D4, D5, D6, D7,
654 D16, D17, D18, D19, D20, D21, D22, D23,
655 D24, D25, D26, D27, D28, D29, D30, D31, CPSR] in {
656 def BLr9 : ABXI<0b1011, (outs), (ins i32imm:$func, variable_ops),
657 IIC_Br, "bl ${func:call}",
658 [(ARMcall tglobaladdr:$func)]>, Requires<[IsARM, IsDarwin]>;
660 def BLr9_pred : ABI<0b1011, (outs), (ins i32imm:$func, variable_ops),
661 IIC_Br, "bl", " ${func:call}",
662 [(ARMcall_pred tglobaladdr:$func)]>,
663 Requires<[IsARM, IsDarwin]>;
666 def BLXr9 : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
668 [(ARMcall GPR:$func)]>, Requires<[IsARM, HasV5T, IsDarwin]> {
669 let Inst{7-4} = 0b0011;
670 let Inst{19-8} = 0b111111111111;
671 let Inst{27-20} = 0b00010010;
675 def BXr9 : ABXIx2<(outs), (ins GPR:$func, variable_ops),
676 IIC_Br, "mov lr, pc\n\tbx $func",
677 [(ARMcall_nolink GPR:$func)]>, Requires<[IsARM, IsDarwin]> {
678 let Inst{7-4} = 0b0001;
679 let Inst{19-8} = 0b111111111111;
680 let Inst{27-20} = 0b00010010;
684 let isBranch = 1, isTerminator = 1, Itinerary = IIC_Br in {
685 // B is "predicable" since it can be xformed into a Bcc.
686 let isBarrier = 1 in {
687 let isPredicable = 1 in
688 def B : ABXI<0b1010, (outs), (ins brtarget:$target), IIC_Br,
689 "b $target", [(br bb:$target)]>;
691 let isNotDuplicable = 1, isIndirectBranch = 1 in {
692 def BR_JTr : JTI<(outs), (ins GPR:$target, jtblock_operand:$jt, i32imm:$id),
693 IIC_Br, "mov pc, $target \n$jt",
694 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]> {
695 let Inst{20} = 0; // S Bit
696 let Inst{24-21} = 0b1101;
697 let Inst{27-25} = 0b000;
699 def BR_JTm : JTI<(outs),
700 (ins addrmode2:$target, jtblock_operand:$jt, i32imm:$id),
701 IIC_Br, "ldr pc, $target \n$jt",
702 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
704 let Inst{20} = 1; // L bit
705 let Inst{21} = 0; // W bit
706 let Inst{22} = 0; // B bit
707 let Inst{24} = 1; // P bit
708 let Inst{27-25} = 0b011;
710 def BR_JTadd : JTI<(outs),
711 (ins GPR:$target, GPR:$idx, jtblock_operand:$jt, i32imm:$id),
712 IIC_Br, "add pc, $target, $idx \n$jt",
713 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
715 let Inst{20} = 0; // S bit
716 let Inst{24-21} = 0b0100;
717 let Inst{27-25} = 0b000;
719 } // isNotDuplicable = 1, isIndirectBranch = 1
722 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
723 // a two-value operand where a dag node expects two operands. :(
724 def Bcc : ABI<0b1010, (outs), (ins brtarget:$target),
725 IIC_Br, "b", " $target",
726 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]>;
729 //===----------------------------------------------------------------------===//
730 // Load / store Instructions.
734 let canFoldAsLoad = 1 in
735 def LDR : AI2ldw<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm, IIC_iLoad,
736 "ldr", " $dst, $addr",
737 [(set GPR:$dst, (load addrmode2:$addr))]>;
739 // Special LDR for loads from non-pc-relative constpools.
740 let canFoldAsLoad = 1, mayLoad = 1, isReMaterializable = 1 in
741 def LDRcp : AI2ldw<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm, IIC_iLoad,
742 "ldr", " $dst, $addr", []>;
744 // Loads with zero extension
745 def LDRH : AI3ldh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm, IIC_iLoad,
746 "ldr", "h $dst, $addr",
747 [(set GPR:$dst, (zextloadi16 addrmode3:$addr))]>;
749 def LDRB : AI2ldb<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm, IIC_iLoad,
750 "ldr", "b $dst, $addr",
751 [(set GPR:$dst, (zextloadi8 addrmode2:$addr))]>;
753 // Loads with sign extension
754 def LDRSH : AI3ldsh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm, IIC_iLoad,
755 "ldr", "sh $dst, $addr",
756 [(set GPR:$dst, (sextloadi16 addrmode3:$addr))]>;
758 def LDRSB : AI3ldsb<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm, IIC_iLoad,
759 "ldr", "sb $dst, $addr",
760 [(set GPR:$dst, (sextloadi8 addrmode3:$addr))]>;
764 def LDRD : AI3ldd<(outs GPR:$dst1, GPR:$dst2), (ins addrmode3:$addr), LdMiscFrm,
765 IIC_iLoad, "ldr", "d $dst1, $addr", []>, Requires<[IsARM, HasV5T]>;
768 def LDR_PRE : AI2ldwpr<(outs GPR:$dst, GPR:$base_wb),
769 (ins addrmode2:$addr), LdFrm, IIC_iLoad,
770 "ldr", " $dst, $addr!", "$addr.base = $base_wb", []>;
772 def LDR_POST : AI2ldwpo<(outs GPR:$dst, GPR:$base_wb),
773 (ins GPR:$base, am2offset:$offset), LdFrm, IIC_iLoad,
774 "ldr", " $dst, [$base], $offset", "$base = $base_wb", []>;
776 def LDRH_PRE : AI3ldhpr<(outs GPR:$dst, GPR:$base_wb),
777 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoad,
778 "ldr", "h $dst, $addr!", "$addr.base = $base_wb", []>;
780 def LDRH_POST : AI3ldhpo<(outs GPR:$dst, GPR:$base_wb),
781 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoad,
782 "ldr", "h $dst, [$base], $offset", "$base = $base_wb", []>;
784 def LDRB_PRE : AI2ldbpr<(outs GPR:$dst, GPR:$base_wb),
785 (ins addrmode2:$addr), LdFrm, IIC_iLoad,
786 "ldr", "b $dst, $addr!", "$addr.base = $base_wb", []>;
788 def LDRB_POST : AI2ldbpo<(outs GPR:$dst, GPR:$base_wb),
789 (ins GPR:$base,am2offset:$offset), LdFrm, IIC_iLoad,
790 "ldr", "b $dst, [$base], $offset", "$base = $base_wb", []>;
792 def LDRSH_PRE : AI3ldshpr<(outs GPR:$dst, GPR:$base_wb),
793 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoad,
794 "ldr", "sh $dst, $addr!", "$addr.base = $base_wb", []>;
796 def LDRSH_POST: AI3ldshpo<(outs GPR:$dst, GPR:$base_wb),
797 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoad,
798 "ldr", "sh $dst, [$base], $offset", "$base = $base_wb", []>;
800 def LDRSB_PRE : AI3ldsbpr<(outs GPR:$dst, GPR:$base_wb),
801 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoad,
802 "ldr", "sb $dst, $addr!", "$addr.base = $base_wb", []>;
804 def LDRSB_POST: AI3ldsbpo<(outs GPR:$dst, GPR:$base_wb),
805 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoad,
806 "ldr", "sb $dst, [$base], $offset", "$base = $base_wb", []>;
810 def STR : AI2stw<(outs), (ins GPR:$src, addrmode2:$addr), StFrm, IIC_iStore,
811 "str", " $src, $addr",
812 [(store GPR:$src, addrmode2:$addr)]>;
814 // Stores with truncate
815 def STRH : AI3sth<(outs), (ins GPR:$src, addrmode3:$addr), StMiscFrm, IIC_iStore,
816 "str", "h $src, $addr",
817 [(truncstorei16 GPR:$src, addrmode3:$addr)]>;
819 def STRB : AI2stb<(outs), (ins GPR:$src, addrmode2:$addr), StFrm, IIC_iStore,
820 "str", "b $src, $addr",
821 [(truncstorei8 GPR:$src, addrmode2:$addr)]>;
825 def STRD : AI3std<(outs), (ins GPR:$src1, GPR:$src2, addrmode3:$addr),
826 StMiscFrm, IIC_iStore,
827 "str", "d $src1, $addr", []>, Requires<[IsARM, HasV5T]>;
830 def STR_PRE : AI2stwpr<(outs GPR:$base_wb),
831 (ins GPR:$src, GPR:$base, am2offset:$offset),
833 "str", " $src, [$base, $offset]!", "$base = $base_wb",
835 (pre_store GPR:$src, GPR:$base, am2offset:$offset))]>;
837 def STR_POST : AI2stwpo<(outs GPR:$base_wb),
838 (ins GPR:$src, GPR:$base,am2offset:$offset),
840 "str", " $src, [$base], $offset", "$base = $base_wb",
842 (post_store GPR:$src, GPR:$base, am2offset:$offset))]>;
844 def STRH_PRE : AI3sthpr<(outs GPR:$base_wb),
845 (ins GPR:$src, GPR:$base,am3offset:$offset),
846 StMiscFrm, IIC_iStore,
847 "str", "h $src, [$base, $offset]!", "$base = $base_wb",
849 (pre_truncsti16 GPR:$src, GPR:$base,am3offset:$offset))]>;
851 def STRH_POST: AI3sthpo<(outs GPR:$base_wb),
852 (ins GPR:$src, GPR:$base,am3offset:$offset),
853 StMiscFrm, IIC_iStore,
854 "str", "h $src, [$base], $offset", "$base = $base_wb",
855 [(set GPR:$base_wb, (post_truncsti16 GPR:$src,
856 GPR:$base, am3offset:$offset))]>;
858 def STRB_PRE : AI2stbpr<(outs GPR:$base_wb),
859 (ins GPR:$src, GPR:$base,am2offset:$offset),
861 "str", "b $src, [$base, $offset]!", "$base = $base_wb",
862 [(set GPR:$base_wb, (pre_truncsti8 GPR:$src,
863 GPR:$base, am2offset:$offset))]>;
865 def STRB_POST: AI2stbpo<(outs GPR:$base_wb),
866 (ins GPR:$src, GPR:$base,am2offset:$offset),
868 "str", "b $src, [$base], $offset", "$base = $base_wb",
869 [(set GPR:$base_wb, (post_truncsti8 GPR:$src,
870 GPR:$base, am2offset:$offset))]>;
872 //===----------------------------------------------------------------------===//
873 // Load / store multiple Instructions.
876 // FIXME: $dst1 should be a def.
878 def LDM : AXI4ld<(outs),
879 (ins addrmode4:$addr, pred:$p, reglist:$dst1, variable_ops),
880 LdStMulFrm, IIC_iLoad, "ldm${p}${addr:submode} $addr, $dst1",
884 def STM : AXI4st<(outs),
885 (ins addrmode4:$addr, pred:$p, reglist:$src1, variable_ops),
886 LdStMulFrm, IIC_iStore, "stm${p}${addr:submode} $addr, $src1",
889 //===----------------------------------------------------------------------===//
890 // Move Instructions.
893 let neverHasSideEffects = 1 in
894 def MOVr : AsI1<0b1101, (outs GPR:$dst), (ins GPR:$src), DPFrm, IIC_iALU,
895 "mov", " $dst, $src", []>, UnaryDP;
896 def MOVs : AsI1<0b1101, (outs GPR:$dst), (ins so_reg:$src),
897 DPSoRegFrm, IIC_iALU,
898 "mov", " $dst, $src", [(set GPR:$dst, so_reg:$src)]>, UnaryDP;
900 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
901 def MOVi : AsI1<0b1101, (outs GPR:$dst), (ins so_imm:$src), DPFrm, IIC_iALU,
902 "mov", " $dst, $src", [(set GPR:$dst, so_imm:$src)]>, UnaryDP;
904 def MOVrx : AsI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo, IIC_iALU,
905 "mov", " $dst, $src, rrx",
906 [(set GPR:$dst, (ARMrrx GPR:$src))]>, UnaryDP;
908 // These aren't really mov instructions, but we have to define them this way
909 // due to flag operands.
911 let Defs = [CPSR] in {
912 def MOVsrl_flag : AI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo,
913 IIC_iALU, "mov", "s $dst, $src, lsr #1",
914 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP;
915 def MOVsra_flag : AI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo,
916 IIC_iALU, "mov", "s $dst, $src, asr #1",
917 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP;
920 //===----------------------------------------------------------------------===//
921 // Extend Instructions.
926 defm SXTB : AI_unary_rrot<0b01101010,
927 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
928 defm SXTH : AI_unary_rrot<0b01101011,
929 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
931 defm SXTAB : AI_bin_rrot<0b01101010,
932 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
933 defm SXTAH : AI_bin_rrot<0b01101011,
934 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
936 // TODO: SXT(A){B|H}16
940 let AddedComplexity = 16 in {
941 defm UXTB : AI_unary_rrot<0b01101110,
942 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
943 defm UXTH : AI_unary_rrot<0b01101111,
944 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
945 defm UXTB16 : AI_unary_rrot<0b01101100,
946 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
948 def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
949 (UXTB16r_rot GPR:$Src, 24)>;
950 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
951 (UXTB16r_rot GPR:$Src, 8)>;
953 defm UXTAB : AI_bin_rrot<0b01101110, "uxtab",
954 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
955 defm UXTAH : AI_bin_rrot<0b01101111, "uxtah",
956 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
959 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
960 //defm UXTAB16 : xxx<"uxtab16", 0xff00ff>;
962 // TODO: UXT(A){B|H}16
964 //===----------------------------------------------------------------------===//
965 // Arithmetic Instructions.
968 defm ADD : AsI1_bin_irs<0b0100, "add",
969 BinOpFrag<(add node:$LHS, node:$RHS)>, 1>;
970 defm SUB : AsI1_bin_irs<0b0010, "sub",
971 BinOpFrag<(sub node:$LHS, node:$RHS)>>;
973 // ADD and SUB with 's' bit set.
974 defm ADDS : AI1_bin_s_irs<0b0100, "add",
975 BinOpFrag<(addc node:$LHS, node:$RHS)>>;
976 defm SUBS : AI1_bin_s_irs<0b0010, "sub",
977 BinOpFrag<(subc node:$LHS, node:$RHS)>>;
979 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
980 BinOpFrag<(adde node:$LHS, node:$RHS)>, 1>;
981 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
982 BinOpFrag<(sube node:$LHS, node:$RHS)>>;
984 // These don't define reg/reg forms, because they are handled above.
985 def RSBri : AsI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
986 IIC_iALU, "rsb", " $dst, $a, $b",
987 [(set GPR:$dst, (sub so_imm:$b, GPR:$a))]>;
989 def RSBrs : AsI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
990 IIC_iALU, "rsb", " $dst, $a, $b",
991 [(set GPR:$dst, (sub so_reg:$b, GPR:$a))]>;
993 // RSB with 's' bit set.
994 let Defs = [CPSR] in {
995 def RSBSri : AI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
996 IIC_iALU, "rsb", "s $dst, $a, $b",
997 [(set GPR:$dst, (subc so_imm:$b, GPR:$a))]>;
998 def RSBSrs : AI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
999 IIC_iALU, "rsb", "s $dst, $a, $b",
1000 [(set GPR:$dst, (subc so_reg:$b, GPR:$a))]>;
1003 let Uses = [CPSR] in {
1004 def RSCri : AsI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
1005 DPFrm, IIC_iALU, "rsc", " $dst, $a, $b",
1006 [(set GPR:$dst, (sube so_imm:$b, GPR:$a))]>,
1007 Requires<[IsARM, CarryDefIsUnused]>;
1008 def RSCrs : AsI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
1009 DPSoRegFrm, IIC_iALU, "rsc", " $dst, $a, $b",
1010 [(set GPR:$dst, (sube so_reg:$b, GPR:$a))]>,
1011 Requires<[IsARM, CarryDefIsUnused]>;
1014 // FIXME: Allow these to be predicated.
1015 let Defs = [CPSR], Uses = [CPSR] in {
1016 def RSCSri : AXI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
1017 DPFrm, IIC_iALU, "rscs $dst, $a, $b",
1018 [(set GPR:$dst, (sube so_imm:$b, GPR:$a))]>,
1019 Requires<[IsARM, CarryDefIsUnused]>;
1020 def RSCSrs : AXI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
1021 DPSoRegFrm, IIC_iALU, "rscs $dst, $a, $b",
1022 [(set GPR:$dst, (sube so_reg:$b, GPR:$a))]>,
1023 Requires<[IsARM, CarryDefIsUnused]>;
1026 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
1027 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
1028 (SUBri GPR:$src, so_imm_neg:$imm)>;
1030 //def : ARMPat<(addc GPR:$src, so_imm_neg:$imm),
1031 // (SUBSri GPR:$src, so_imm_neg:$imm)>;
1032 //def : ARMPat<(adde GPR:$src, so_imm_neg:$imm),
1033 // (SBCri GPR:$src, so_imm_neg:$imm)>;
1035 // Note: These are implemented in C++ code, because they have to generate
1036 // ADD/SUBrs instructions, which use a complex pattern that a xform function
1038 // (mul X, 2^n+1) -> (add (X << n), X)
1039 // (mul X, 2^n-1) -> (rsb X, (X << n))
1042 //===----------------------------------------------------------------------===//
1043 // Bitwise Instructions.
1046 defm AND : AsI1_bin_irs<0b0000, "and",
1047 BinOpFrag<(and node:$LHS, node:$RHS)>, 1>;
1048 defm ORR : AsI1_bin_irs<0b1100, "orr",
1049 BinOpFrag<(or node:$LHS, node:$RHS)>, 1>;
1050 defm EOR : AsI1_bin_irs<0b0001, "eor",
1051 BinOpFrag<(xor node:$LHS, node:$RHS)>, 1>;
1052 defm BIC : AsI1_bin_irs<0b1110, "bic",
1053 BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
1055 def BFC : I<(outs GPR:$dst), (ins GPR:$src, bf_inv_mask_imm:$imm),
1056 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, NoItinerary,
1057 "bfc", " $dst, $imm", "$src = $dst",
1058 [(set GPR:$dst, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
1059 Requires<[IsARM, HasV6T2]> {
1060 let Inst{27-21} = 0b0111110;
1061 let Inst{6-0} = 0b0011111;
1064 def MVNr : AsI1<0b1111, (outs GPR:$dst), (ins GPR:$src), DPFrm, IIC_iALU,
1065 "mvn", " $dst, $src",
1066 [(set GPR:$dst, (not GPR:$src))]>, UnaryDP;
1067 def MVNs : AsI1<0b1111, (outs GPR:$dst), (ins so_reg:$src), DPSoRegFrm,
1068 IIC_iALU, "mvn", " $dst, $src",
1069 [(set GPR:$dst, (not so_reg:$src))]>, UnaryDP;
1070 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
1071 def MVNi : AsI1<0b1111, (outs GPR:$dst), (ins so_imm:$imm), DPFrm, IIC_iALU,
1072 "mvn", " $dst, $imm",
1073 [(set GPR:$dst, so_imm_not:$imm)]>,UnaryDP;
1075 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
1076 (BICri GPR:$src, so_imm_not:$imm)>;
1078 //===----------------------------------------------------------------------===//
1079 // Multiply Instructions.
1082 let isCommutable = 1 in
1083 def MUL : AsMul1I<0b0000000, (outs GPR:$dst), (ins GPR:$a, GPR:$b), IIC_iALU,
1084 "mul", " $dst, $a, $b",
1085 [(set GPR:$dst, (mul GPR:$a, GPR:$b))]>;
1087 def MLA : AsMul1I<0b0000001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1088 IIC_iALU, "mla", " $dst, $a, $b, $c",
1089 [(set GPR:$dst, (add (mul GPR:$a, GPR:$b), GPR:$c))]>;
1091 def MLS : AMul1I<0b0000011, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1092 IIC_iALU, "mls", " $dst, $a, $b, $c",
1093 [(set GPR:$dst, (sub GPR:$c, (mul GPR:$a, GPR:$b)))]>,
1094 Requires<[IsARM, HasV6T2]>;
1096 // Extra precision multiplies with low / high results
1097 let neverHasSideEffects = 1 in {
1098 let isCommutable = 1 in {
1099 def SMULL : AsMul1I<0b0000110, (outs GPR:$ldst, GPR:$hdst),
1100 (ins GPR:$a, GPR:$b), IIC_iALU,
1101 "smull", " $ldst, $hdst, $a, $b", []>;
1103 def UMULL : AsMul1I<0b0000100, (outs GPR:$ldst, GPR:$hdst),
1104 (ins GPR:$a, GPR:$b), IIC_iALU,
1105 "umull", " $ldst, $hdst, $a, $b", []>;
1108 // Multiply + accumulate
1109 def SMLAL : AsMul1I<0b0000111, (outs GPR:$ldst, GPR:$hdst),
1110 (ins GPR:$a, GPR:$b), IIC_iALU,
1111 "smlal", " $ldst, $hdst, $a, $b", []>;
1113 def UMLAL : AsMul1I<0b0000101, (outs GPR:$ldst, GPR:$hdst),
1114 (ins GPR:$a, GPR:$b), IIC_iALU,
1115 "umlal", " $ldst, $hdst, $a, $b", []>;
1117 def UMAAL : AMul1I <0b0000010, (outs GPR:$ldst, GPR:$hdst),
1118 (ins GPR:$a, GPR:$b), IIC_iALU,
1119 "umaal", " $ldst, $hdst, $a, $b", []>,
1120 Requires<[IsARM, HasV6]>;
1121 } // neverHasSideEffects
1123 // Most significant word multiply
1124 def SMMUL : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1125 IIC_iALU, "smmul", " $dst, $a, $b",
1126 [(set GPR:$dst, (mulhs GPR:$a, GPR:$b))]>,
1127 Requires<[IsARM, HasV6]> {
1128 let Inst{7-4} = 0b0001;
1129 let Inst{15-12} = 0b1111;
1132 def SMMLA : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1133 IIC_iALU, "smmla", " $dst, $a, $b, $c",
1134 [(set GPR:$dst, (add (mulhs GPR:$a, GPR:$b), GPR:$c))]>,
1135 Requires<[IsARM, HasV6]> {
1136 let Inst{7-4} = 0b0001;
1140 def SMMLS : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1141 IIC_iALU, "smmls", " $dst, $a, $b, $c",
1142 [(set GPR:$dst, (sub GPR:$c, (mulhs GPR:$a, GPR:$b)))]>,
1143 Requires<[IsARM, HasV6]> {
1144 let Inst{7-4} = 0b1101;
1147 multiclass AI_smul<string opc, PatFrag opnode> {
1148 def BB : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1149 IIC_iALU, !strconcat(opc, "bb"), " $dst, $a, $b",
1150 [(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16),
1151 (sext_inreg GPR:$b, i16)))]>,
1152 Requires<[IsARM, HasV5TE]> {
1157 def BT : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1158 IIC_iALU, !strconcat(opc, "bt"), " $dst, $a, $b",
1159 [(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16),
1160 (sra GPR:$b, (i32 16))))]>,
1161 Requires<[IsARM, HasV5TE]> {
1166 def TB : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1167 IIC_iALU, !strconcat(opc, "tb"), " $dst, $a, $b",
1168 [(set GPR:$dst, (opnode (sra GPR:$a, (i32 16)),
1169 (sext_inreg GPR:$b, i16)))]>,
1170 Requires<[IsARM, HasV5TE]> {
1175 def TT : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1176 IIC_iALU, !strconcat(opc, "tt"), " $dst, $a, $b",
1177 [(set GPR:$dst, (opnode (sra GPR:$a, (i32 16)),
1178 (sra GPR:$b, (i32 16))))]>,
1179 Requires<[IsARM, HasV5TE]> {
1184 def WB : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1185 IIC_iALU, !strconcat(opc, "wb"), " $dst, $a, $b",
1186 [(set GPR:$dst, (sra (opnode GPR:$a,
1187 (sext_inreg GPR:$b, i16)), (i32 16)))]>,
1188 Requires<[IsARM, HasV5TE]> {
1193 def WT : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1194 IIC_iALU, !strconcat(opc, "wt"), " $dst, $a, $b",
1195 [(set GPR:$dst, (sra (opnode GPR:$a,
1196 (sra GPR:$b, (i32 16))), (i32 16)))]>,
1197 Requires<[IsARM, HasV5TE]> {
1204 multiclass AI_smla<string opc, PatFrag opnode> {
1205 def BB : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1206 IIC_iALU, !strconcat(opc, "bb"), " $dst, $a, $b, $acc",
1207 [(set GPR:$dst, (add GPR:$acc,
1208 (opnode (sext_inreg GPR:$a, i16),
1209 (sext_inreg GPR:$b, i16))))]>,
1210 Requires<[IsARM, HasV5TE]> {
1215 def BT : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1216 IIC_iALU, !strconcat(opc, "bt"), " $dst, $a, $b, $acc",
1217 [(set GPR:$dst, (add GPR:$acc, (opnode (sext_inreg GPR:$a, i16),
1218 (sra GPR:$b, (i32 16)))))]>,
1219 Requires<[IsARM, HasV5TE]> {
1224 def TB : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1225 IIC_iALU, !strconcat(opc, "tb"), " $dst, $a, $b, $acc",
1226 [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, (i32 16)),
1227 (sext_inreg GPR:$b, i16))))]>,
1228 Requires<[IsARM, HasV5TE]> {
1233 def TT : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1234 IIC_iALU, !strconcat(opc, "tt"), " $dst, $a, $b, $acc",
1235 [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, (i32 16)),
1236 (sra GPR:$b, (i32 16)))))]>,
1237 Requires<[IsARM, HasV5TE]> {
1242 def WB : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1243 IIC_iALU, !strconcat(opc, "wb"), " $dst, $a, $b, $acc",
1244 [(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a,
1245 (sext_inreg GPR:$b, i16)), (i32 16))))]>,
1246 Requires<[IsARM, HasV5TE]> {
1251 def WT : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1252 IIC_iALU, !strconcat(opc, "wt"), " $dst, $a, $b, $acc",
1253 [(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a,
1254 (sra GPR:$b, (i32 16))), (i32 16))))]>,
1255 Requires<[IsARM, HasV5TE]> {
1261 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
1262 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
1264 // TODO: Halfword multiple accumulate long: SMLAL<x><y>
1265 // TODO: Dual halfword multiple: SMUAD, SMUSD, SMLAD, SMLSD, SMLALD, SMLSLD
1267 //===----------------------------------------------------------------------===//
1268 // Misc. Arithmetic Instructions.
1271 def CLZ : AMiscA1I<0b000010110, (outs GPR:$dst), (ins GPR:$src), IIC_iALU,
1272 "clz", " $dst, $src",
1273 [(set GPR:$dst, (ctlz GPR:$src))]>, Requires<[IsARM, HasV5T]> {
1274 let Inst{7-4} = 0b0001;
1275 let Inst{11-8} = 0b1111;
1276 let Inst{19-16} = 0b1111;
1279 def REV : AMiscA1I<0b01101011, (outs GPR:$dst), (ins GPR:$src), IIC_iALU,
1280 "rev", " $dst, $src",
1281 [(set GPR:$dst, (bswap GPR:$src))]>, Requires<[IsARM, HasV6]> {
1282 let Inst{7-4} = 0b0011;
1283 let Inst{11-8} = 0b1111;
1284 let Inst{19-16} = 0b1111;
1287 def REV16 : AMiscA1I<0b01101011, (outs GPR:$dst), (ins GPR:$src), IIC_iALU,
1288 "rev16", " $dst, $src",
1290 (or (and (srl GPR:$src, (i32 8)), 0xFF),
1291 (or (and (shl GPR:$src, (i32 8)), 0xFF00),
1292 (or (and (srl GPR:$src, (i32 8)), 0xFF0000),
1293 (and (shl GPR:$src, (i32 8)), 0xFF000000)))))]>,
1294 Requires<[IsARM, HasV6]> {
1295 let Inst{7-4} = 0b1011;
1296 let Inst{11-8} = 0b1111;
1297 let Inst{19-16} = 0b1111;
1300 def REVSH : AMiscA1I<0b01101111, (outs GPR:$dst), (ins GPR:$src), IIC_iALU,
1301 "revsh", " $dst, $src",
1304 (or (srl (and GPR:$src, 0xFF00), (i32 8)),
1305 (shl GPR:$src, (i32 8))), i16))]>,
1306 Requires<[IsARM, HasV6]> {
1307 let Inst{7-4} = 0b1011;
1308 let Inst{11-8} = 0b1111;
1309 let Inst{19-16} = 0b1111;
1312 def PKHBT : AMiscA1I<0b01101000, (outs GPR:$dst),
1313 (ins GPR:$src1, GPR:$src2, i32imm:$shamt),
1314 IIC_iALU, "pkhbt", " $dst, $src1, $src2, LSL $shamt",
1315 [(set GPR:$dst, (or (and GPR:$src1, 0xFFFF),
1316 (and (shl GPR:$src2, (i32 imm:$shamt)),
1318 Requires<[IsARM, HasV6]> {
1319 let Inst{6-4} = 0b001;
1322 // Alternate cases for PKHBT where identities eliminate some nodes.
1323 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF), (and GPR:$src2, 0xFFFF0000)),
1324 (PKHBT GPR:$src1, GPR:$src2, 0)>;
1325 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF), (shl GPR:$src2, imm16_31:$shamt)),
1326 (PKHBT GPR:$src1, GPR:$src2, imm16_31:$shamt)>;
1329 def PKHTB : AMiscA1I<0b01101000, (outs GPR:$dst),
1330 (ins GPR:$src1, GPR:$src2, i32imm:$shamt),
1331 IIC_iALU, "pkhtb", " $dst, $src1, $src2, ASR $shamt",
1332 [(set GPR:$dst, (or (and GPR:$src1, 0xFFFF0000),
1333 (and (sra GPR:$src2, imm16_31:$shamt),
1334 0xFFFF)))]>, Requires<[IsARM, HasV6]> {
1335 let Inst{6-4} = 0b101;
1338 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
1339 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
1340 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000), (srl GPR:$src2, (i32 16))),
1341 (PKHTB GPR:$src1, GPR:$src2, 16)>;
1342 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000),
1343 (and (srl GPR:$src2, imm1_15:$shamt), 0xFFFF)),
1344 (PKHTB GPR:$src1, GPR:$src2, imm1_15:$shamt)>;
1346 //===----------------------------------------------------------------------===//
1347 // Comparison Instructions...
1350 defm CMP : AI1_cmp_irs<0b1010, "cmp",
1351 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
1352 defm CMN : AI1_cmp_irs<0b1011, "cmn",
1353 BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
1355 // Note that TST/TEQ don't set all the same flags that CMP does!
1356 defm TST : AI1_cmp_irs<0b1000, "tst",
1357 BinOpFrag<(ARMcmpZ (and node:$LHS, node:$RHS), 0)>, 1>;
1358 defm TEQ : AI1_cmp_irs<0b1001, "teq",
1359 BinOpFrag<(ARMcmpZ (xor node:$LHS, node:$RHS), 0)>, 1>;
1361 defm CMPz : AI1_cmp_irs<0b1010, "cmp",
1362 BinOpFrag<(ARMcmpZ node:$LHS, node:$RHS)>>;
1363 defm CMNz : AI1_cmp_irs<0b1011, "cmn",
1364 BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>>;
1366 def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
1367 (CMNri GPR:$src, so_imm_neg:$imm)>;
1369 def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
1370 (CMNri GPR:$src, so_imm_neg:$imm)>;
1373 // Conditional moves
1374 // FIXME: should be able to write a pattern for ARMcmov, but can't use
1375 // a two-value operand where a dag node expects two operands. :(
1376 def MOVCCr : AI1<0b1101, (outs GPR:$dst), (ins GPR:$false, GPR:$true), DPFrm,
1377 IIC_iALU, "mov", " $dst, $true",
1378 [/*(set GPR:$dst, (ARMcmov GPR:$false, GPR:$true, imm:$cc, CCR:$ccr))*/]>,
1379 RegConstraint<"$false = $dst">, UnaryDP;
1381 def MOVCCs : AI1<0b1101, (outs GPR:$dst),
1382 (ins GPR:$false, so_reg:$true), DPSoRegFrm, IIC_iALU,
1383 "mov", " $dst, $true",
1384 [/*(set GPR:$dst, (ARMcmov GPR:$false, so_reg:$true, imm:$cc, CCR:$ccr))*/]>,
1385 RegConstraint<"$false = $dst">, UnaryDP;
1387 def MOVCCi : AI1<0b1101, (outs GPR:$dst),
1388 (ins GPR:$false, so_imm:$true), DPFrm, IIC_iALU,
1389 "mov", " $dst, $true",
1390 [/*(set GPR:$dst, (ARMcmov GPR:$false, so_imm:$true, imm:$cc, CCR:$ccr))*/]>,
1391 RegConstraint<"$false = $dst">, UnaryDP;
1394 //===----------------------------------------------------------------------===//
1398 // __aeabi_read_tp preserves the registers r1-r3.
1400 Defs = [R0, R12, LR, CPSR] in {
1401 def TPsoft : ABXI<0b1011, (outs), (ins), IIC_Br,
1402 "bl __aeabi_read_tp",
1403 [(set R0, ARMthread_pointer)]>;
1406 //===----------------------------------------------------------------------===//
1407 // SJLJ Exception handling intrinsics
1408 // eh_sjlj_setjmp() is a three instruction sequence to store the return
1409 // address and save #0 in R0 for the non-longjmp case.
1410 // Since by its nature we may be coming from some other function to get
1411 // here, and we're using the stack frame for the containing function to
1412 // save/restore registers, we can't keep anything live in regs across
1413 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
1414 // when we get here from a longjmp(). We force everthing out of registers
1415 // except for our own input by listing the relevant registers in Defs. By
1416 // doing so, we also cause the prologue/epilogue code to actively preserve
1417 // all of the callee-saved resgisters, which is exactly what we want.
1419 [ R0, R1, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR,
1420 D0, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15,
1421 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26, D27, D28, D29, D30,
1423 def Int_eh_sjlj_setjmp : XI<(outs), (ins GPR:$src),
1424 AddrModeNone, SizeSpecial, IndexModeNone,
1425 Pseudo, NoItinerary,
1426 "add r0, pc, #4\n\t"
1427 "str r0, [$src, #+4]\n\t"
1428 "mov r0, #0 @ eh_setjmp", "",
1429 [(set R0, (ARMeh_sjlj_setjmp GPR:$src))]>;
1432 //===----------------------------------------------------------------------===//
1433 // Non-Instruction Patterns
1436 // ConstantPool, GlobalAddress, and JumpTable
1437 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>;
1438 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
1439 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
1440 (LEApcrelJT tjumptable:$dst, imm:$id)>;
1442 // Large immediate handling.
1444 // Two piece so_imms.
1445 let isReMaterializable = 1 in
1446 def MOVi2pieces : AI1x2<(outs GPR:$dst), (ins so_imm2part:$src),
1448 "mov", " $dst, $src",
1449 [(set GPR:$dst, so_imm2part:$src)]>;
1451 def : ARMPat<(or GPR:$LHS, so_imm2part:$RHS),
1452 (ORRri (ORRri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
1453 (so_imm2part_2 imm:$RHS))>;
1454 def : ARMPat<(xor GPR:$LHS, so_imm2part:$RHS),
1455 (EORri (EORri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
1456 (so_imm2part_2 imm:$RHS))>;
1458 // TODO: add,sub,and, 3-instr forms?
1462 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>,
1463 Requires<[IsARM, IsNotDarwin]>;
1464 def : ARMPat<(ARMcall texternalsym:$func), (BLr9 texternalsym:$func)>,
1465 Requires<[IsARM, IsDarwin]>;
1467 // zextload i1 -> zextload i8
1468 def : ARMPat<(zextloadi1 addrmode2:$addr), (LDRB addrmode2:$addr)>;
1470 // extload -> zextload
1471 def : ARMPat<(extloadi1 addrmode2:$addr), (LDRB addrmode2:$addr)>;
1472 def : ARMPat<(extloadi8 addrmode2:$addr), (LDRB addrmode2:$addr)>;
1473 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
1475 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
1476 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
1479 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
1480 (sra (shl GPR:$b, (i32 16)), (i32 16))),
1481 (SMULBB GPR:$a, GPR:$b)>;
1482 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
1483 (SMULBB GPR:$a, GPR:$b)>;
1484 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
1485 (sra GPR:$b, (i32 16))),
1486 (SMULBT GPR:$a, GPR:$b)>;
1487 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
1488 (SMULBT GPR:$a, GPR:$b)>;
1489 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
1490 (sra (shl GPR:$b, (i32 16)), (i32 16))),
1491 (SMULTB GPR:$a, GPR:$b)>;
1492 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
1493 (SMULTB GPR:$a, GPR:$b)>;
1494 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
1496 (SMULWB GPR:$a, GPR:$b)>;
1497 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
1498 (SMULWB GPR:$a, GPR:$b)>;
1500 def : ARMV5TEPat<(add GPR:$acc,
1501 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
1502 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
1503 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
1504 def : ARMV5TEPat<(add GPR:$acc,
1505 (mul sext_16_node:$a, sext_16_node:$b)),
1506 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
1507 def : ARMV5TEPat<(add GPR:$acc,
1508 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
1509 (sra GPR:$b, (i32 16)))),
1510 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
1511 def : ARMV5TEPat<(add GPR:$acc,
1512 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
1513 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
1514 def : ARMV5TEPat<(add GPR:$acc,
1515 (mul (sra GPR:$a, (i32 16)),
1516 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
1517 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
1518 def : ARMV5TEPat<(add GPR:$acc,
1519 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
1520 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
1521 def : ARMV5TEPat<(add GPR:$acc,
1522 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
1524 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
1525 def : ARMV5TEPat<(add GPR:$acc,
1526 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
1527 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
1529 //===----------------------------------------------------------------------===//
1533 include "ARMInstrThumb.td"
1535 //===----------------------------------------------------------------------===//
1539 include "ARMInstrThumb2.td"
1541 //===----------------------------------------------------------------------===//
1542 // Floating Point Support
1545 include "ARMInstrVFP.td"
1547 //===----------------------------------------------------------------------===//
1548 // Advanced SIMD (NEON) Support
1551 include "ARMInstrNEON.td"