1 //===- ARMInstrInfo.td - Target Description for ARM Target -*- tablegen -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file was developed by the "Instituto Nokia de Tecnologia" and
6 // is distributed under the University of Illinois Open Source
7 // License. See LICENSE.TXT for details.
9 //===----------------------------------------------------------------------===//
11 // This file describes the ARM instructions in TableGen format.
13 //===----------------------------------------------------------------------===//
15 //===----------------------------------------------------------------------===//
16 // ARM specific DAG Nodes.
20 def SDT_ARMCallSeq : SDTypeProfile<0, 1, [ SDTCisVT<0, 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_ARMCmp : SDTypeProfile<0, 2, [SDTCisSameAs<0, 1>]>;
39 def SDT_ARMPICAdd : SDTypeProfile<1, 2, [SDTCisSameAs<0, 1>,
40 SDTCisPtrTy<1>, SDTCisVT<2, i32>]>;
42 def SDT_ARMThreadPointer : SDTypeProfile<1, 0, [SDTCisPtrTy<0>]>;
45 def ARMWrapper : SDNode<"ARMISD::Wrapper", SDTIntUnaryOp>;
46 def ARMWrapperJT : SDNode<"ARMISD::WrapperJT", SDTIntBinOp>;
48 def ARMcallseq_start : SDNode<"ISD::CALLSEQ_START", SDT_ARMCallSeq,
49 [SDNPHasChain, SDNPOutFlag]>;
50 def ARMcallseq_end : SDNode<"ISD::CALLSEQ_END", SDT_ARMCallSeq,
51 [SDNPHasChain, SDNPInFlag, SDNPOutFlag]>;
53 def ARMcall : SDNode<"ARMISD::CALL", SDT_ARMcall,
54 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
55 def ARMcall_pred : SDNode<"ARMISD::CALL_PRED", SDT_ARMcall,
56 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
57 def ARMcall_nolink : SDNode<"ARMISD::CALL_NOLINK", SDT_ARMcall,
58 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
60 def ARMretflag : SDNode<"ARMISD::RET_FLAG", SDTRet,
61 [SDNPHasChain, SDNPOptInFlag]>;
63 def ARMcmov : SDNode<"ARMISD::CMOV", SDT_ARMCMov,
65 def ARMcneg : SDNode<"ARMISD::CNEG", SDT_ARMCMov,
68 def ARMbrcond : SDNode<"ARMISD::BRCOND", SDT_ARMBrcond,
69 [SDNPHasChain, SDNPInFlag, SDNPOutFlag]>;
71 def ARMbrjt : SDNode<"ARMISD::BR_JT", SDT_ARMBrJT,
74 def ARMcmp : SDNode<"ARMISD::CMP", SDT_ARMCmp,
77 def ARMcmpNZ : SDNode<"ARMISD::CMPNZ", SDT_ARMCmp,
80 def ARMpic_add : SDNode<"ARMISD::PIC_ADD", SDT_ARMPICAdd>;
82 def ARMsrl_flag : SDNode<"ARMISD::SRL_FLAG", SDTIntUnaryOp, [SDNPOutFlag]>;
83 def ARMsra_flag : SDNode<"ARMISD::SRA_FLAG", SDTIntUnaryOp, [SDNPOutFlag]>;
84 def ARMrrx : SDNode<"ARMISD::RRX" , SDTIntUnaryOp, [SDNPInFlag ]>;
86 def ARMthread_pointer: SDNode<"ARMISD::THREAD_POINTER", SDT_ARMThreadPointer>;
88 //===----------------------------------------------------------------------===//
89 // ARM Instruction Predicate Definitions.
91 def HasV5T : Predicate<"Subtarget->hasV5TOps()">;
92 def HasV5TE : Predicate<"Subtarget->hasV5TEOps()">;
93 def HasV6 : Predicate<"Subtarget->hasV6Ops()">;
94 def IsThumb : Predicate<"Subtarget->isThumb()">;
95 def IsARM : Predicate<"!Subtarget->isThumb()">;
97 //===----------------------------------------------------------------------===//
98 // ARM Flag Definitions.
100 class RegConstraint<string C> {
101 string Constraints = C;
104 //===----------------------------------------------------------------------===//
105 // ARM specific transformation functions and pattern fragments.
108 // so_imm_XFORM - Return a so_imm value packed into the format described for
110 def so_imm_XFORM : SDNodeXForm<imm, [{
111 return CurDAG->getTargetConstant(ARM_AM::getSOImmVal(N->getValue()),
115 // so_imm_neg_XFORM - Return a so_imm value packed into the format described for
116 // so_imm_neg def below.
117 def so_imm_neg_XFORM : SDNodeXForm<imm, [{
118 return CurDAG->getTargetConstant(ARM_AM::getSOImmVal(-(int)N->getValue()),
122 // so_imm_not_XFORM - Return a so_imm value packed into the format described for
123 // so_imm_not def below.
124 def so_imm_not_XFORM : SDNodeXForm<imm, [{
125 return CurDAG->getTargetConstant(ARM_AM::getSOImmVal(~(int)N->getValue()),
129 // rot_imm predicate - True if the 32-bit immediate is equal to 8, 16, or 24.
130 def rot_imm : PatLeaf<(i32 imm), [{
131 int32_t v = (int32_t)N->getValue();
132 return v == 8 || v == 16 || v == 24;
135 /// imm1_15 predicate - True if the 32-bit immediate is in the range [1,15].
136 def imm1_15 : PatLeaf<(i32 imm), [{
137 return (int32_t)N->getValue() >= 1 && (int32_t)N->getValue() < 16;
140 /// imm16_31 predicate - True if the 32-bit immediate is in the range [16,31].
141 def imm16_31 : PatLeaf<(i32 imm), [{
142 return (int32_t)N->getValue() >= 16 && (int32_t)N->getValue() < 32;
146 PatLeaf<(imm), [{ return ARM_AM::getSOImmVal(-(int)N->getValue()) != -1; }],
150 PatLeaf<(imm), [{ return ARM_AM::getSOImmVal(~(int)N->getValue()) != -1; }],
153 // sext_16_node predicate - True if the SDNode is sign-extended 16 or more bits.
154 def sext_16_node : PatLeaf<(i32 GPR:$a), [{
155 return CurDAG->ComputeNumSignBits(SDOperand(N,0)) >= 17;
160 //===----------------------------------------------------------------------===//
161 // Operand Definitions.
165 def brtarget : Operand<OtherVT>;
167 // A list of registers separated by comma. Used by load/store multiple.
168 def reglist : Operand<i32> {
169 let PrintMethod = "printRegisterList";
172 // An operand for the CONSTPOOL_ENTRY pseudo-instruction.
173 def cpinst_operand : Operand<i32> {
174 let PrintMethod = "printCPInstOperand";
177 def jtblock_operand : Operand<i32> {
178 let PrintMethod = "printJTBlockOperand";
182 def pclabel : Operand<i32> {
183 let PrintMethod = "printPCLabel";
186 // shifter_operand operands: so_reg and so_imm.
187 def so_reg : Operand<i32>, // reg reg imm
188 ComplexPattern<i32, 3, "SelectShifterOperandReg",
189 [shl,srl,sra,rotr]> {
190 let PrintMethod = "printSORegOperand";
191 let MIOperandInfo = (ops GPR, GPR, i32imm);
194 // so_imm - Match a 32-bit shifter_operand immediate operand, which is an
195 // 8-bit immediate rotated by an arbitrary number of bits. so_imm values are
196 // represented in the imm field in the same 12-bit form that they are encoded
197 // into so_imm instructions: the 8-bit immediate is the least significant bits
198 // [bits 0-7], the 4-bit shift amount is the next 4 bits [bits 8-11].
199 def so_imm : Operand<i32>,
201 [{ return ARM_AM::getSOImmVal(N->getValue()) != -1; }],
203 let PrintMethod = "printSOImmOperand";
206 // Break so_imm's up into two pieces. This handles immediates with up to 16
207 // bits set in them. This uses so_imm2part to match and so_imm2part_[12] to
208 // get the first/second pieces.
209 def so_imm2part : Operand<i32>,
211 [{ return ARM_AM::isSOImmTwoPartVal((unsigned)N->getValue()); }]> {
212 let PrintMethod = "printSOImm2PartOperand";
215 def so_imm2part_1 : SDNodeXForm<imm, [{
216 unsigned V = ARM_AM::getSOImmTwoPartFirst((unsigned)N->getValue());
217 return CurDAG->getTargetConstant(ARM_AM::getSOImmVal(V), MVT::i32);
220 def so_imm2part_2 : SDNodeXForm<imm, [{
221 unsigned V = ARM_AM::getSOImmTwoPartSecond((unsigned)N->getValue());
222 return CurDAG->getTargetConstant(ARM_AM::getSOImmVal(V), MVT::i32);
226 // Define ARM specific addressing modes.
228 // addrmode2 := reg +/- reg shop imm
229 // addrmode2 := reg +/- imm12
231 def addrmode2 : Operand<i32>,
232 ComplexPattern<i32, 3, "SelectAddrMode2", []> {
233 let PrintMethod = "printAddrMode2Operand";
234 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
237 def am2offset : Operand<i32>,
238 ComplexPattern<i32, 2, "SelectAddrMode2Offset", []> {
239 let PrintMethod = "printAddrMode2OffsetOperand";
240 let MIOperandInfo = (ops GPR, i32imm);
243 // addrmode3 := reg +/- reg
244 // addrmode3 := reg +/- imm8
246 def addrmode3 : Operand<i32>,
247 ComplexPattern<i32, 3, "SelectAddrMode3", []> {
248 let PrintMethod = "printAddrMode3Operand";
249 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
252 def am3offset : Operand<i32>,
253 ComplexPattern<i32, 2, "SelectAddrMode3Offset", []> {
254 let PrintMethod = "printAddrMode3OffsetOperand";
255 let MIOperandInfo = (ops GPR, i32imm);
258 // addrmode4 := reg, <mode|W>
260 def addrmode4 : Operand<i32>,
261 ComplexPattern<i32, 2, "", []> {
262 let PrintMethod = "printAddrMode4Operand";
263 let MIOperandInfo = (ops GPR, i32imm);
266 // addrmode5 := reg +/- imm8*4
268 def addrmode5 : Operand<i32>,
269 ComplexPattern<i32, 2, "SelectAddrMode5", []> {
270 let PrintMethod = "printAddrMode5Operand";
271 let MIOperandInfo = (ops GPR, i32imm);
274 // addrmodepc := pc + reg
276 def addrmodepc : Operand<i32>,
277 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
278 let PrintMethod = "printAddrModePCOperand";
279 let MIOperandInfo = (ops GPR, i32imm);
282 // ARM Predicate operand. Default to 14 = always (AL). Second part is CC
283 // register whose default is 0 (no register).
284 def pred : PredicateOperand<OtherVT, (ops i32imm, CCR),
285 (ops (i32 14), (i32 zero_reg))> {
286 let PrintMethod = "printPredicateOperand";
289 // Conditional code result for instructions whose 's' bit is set, e.g. subs.
291 def cc_out : OptionalDefOperand<OtherVT, (ops CCR), (ops (i32 zero_reg))> {
292 let PrintMethod = "printSBitModifierOperand";
295 //===----------------------------------------------------------------------===//
296 // ARM Instruction flags. These need to match ARMInstrInfo.h.
300 class AddrMode<bits<4> val> {
303 def AddrModeNone : AddrMode<0>;
304 def AddrMode1 : AddrMode<1>;
305 def AddrMode2 : AddrMode<2>;
306 def AddrMode3 : AddrMode<3>;
307 def AddrMode4 : AddrMode<4>;
308 def AddrMode5 : AddrMode<5>;
309 def AddrModeT1 : AddrMode<6>;
310 def AddrModeT2 : AddrMode<7>;
311 def AddrModeT4 : AddrMode<8>;
312 def AddrModeTs : AddrMode<9>;
315 class SizeFlagVal<bits<3> val> {
318 def SizeInvalid : SizeFlagVal<0>; // Unset.
319 def SizeSpecial : SizeFlagVal<1>; // Pseudo or special.
320 def Size8Bytes : SizeFlagVal<2>;
321 def Size4Bytes : SizeFlagVal<3>;
322 def Size2Bytes : SizeFlagVal<4>;
324 // Load / store index mode.
325 class IndexMode<bits<2> val> {
328 def IndexModeNone : IndexMode<0>;
329 def IndexModePre : IndexMode<1>;
330 def IndexModePost : IndexMode<2>;
332 //===----------------------------------------------------------------------===//
333 // ARM Instruction Format Definitions.
336 // Format specifies the encoding used by the instruction. This is part of the
337 // ad-hoc solution used to emit machine instruction encodings by our machine
339 class Format<bits<5> val> {
343 def Pseudo : Format<1>;
344 def MulFrm : Format<2>;
345 def Branch : Format<3>;
346 def BranchMisc : Format<4>;
348 def DPRdIm : Format<5>;
349 def DPRdReg : Format<6>;
350 def DPRdSoReg : Format<7>;
351 def DPRdMisc : Format<8>;
352 def DPRnIm : Format<9>;
353 def DPRnReg : Format<10>;
354 def DPRnSoReg : Format<11>;
355 def DPRIm : Format<12>;
356 def DPRReg : Format<13>;
357 def DPRSoReg : Format<14>;
358 def DPRImS : Format<15>;
359 def DPRRegS : Format<16>;
360 def DPRSoRegS : Format<17>;
362 def LdFrm : Format<18>;
363 def StFrm : Format<19>;
365 def ArithMisc : Format<20>;
366 def ThumbFrm : Format<21>;
367 def VFPFrm : Format<22>;
371 //===----------------------------------------------------------------------===//
372 // ARM Instruction templates.
375 // ARMPat - Same as Pat<>, but requires that the compiler be in ARM mode.
376 class ARMPat<dag pattern, dag result> : Pat<pattern, result> {
377 list<Predicate> Predicates = [IsARM];
379 class ARMV5TEPat<dag pattern, dag result> : Pat<pattern, result> {
380 list<Predicate> Predicates = [IsARM, HasV5TE];
382 class ARMV6Pat<dag pattern, dag result> : Pat<pattern, result> {
383 list<Predicate> Predicates = [IsARM, HasV6];
386 class InstARM<bits<4> opcod, AddrMode am, SizeFlagVal sz, IndexMode im,
387 Format f, string cstr>
389 let Namespace = "ARM";
391 bits<4> Opcode = opcod;
393 bits<4> AddrModeBits = AM.Value;
396 bits<3> SizeFlag = SZ.Value;
399 bits<2> IndexModeBits = IM.Value;
402 bits<5> Form = F.Value;
404 let Constraints = cstr;
407 class PseudoInst<dag oops, dag iops, string asm, list<dag> pattern>
408 : InstARM<0, AddrModeNone, SizeSpecial, IndexModeNone, Pseudo, ""> {
409 let OutOperandList = oops;
410 let InOperandList = iops;
412 let Pattern = pattern;
415 // Almost all ARM instructions are predicable.
416 class I<bits<4> opcod, dag oops, dag iops, AddrMode am, SizeFlagVal sz, IndexMode im,
417 Format f, string opc, string asm, string cstr, list<dag> pattern>
418 : InstARM<opcod, am, sz, im, f, cstr> {
419 let OutOperandList = oops;
420 let InOperandList = !con(iops, (ops pred:$p));
421 let AsmString = !strconcat(opc, !strconcat("${p}", asm));
422 let Pattern = pattern;
423 list<Predicate> Predicates = [IsARM];
426 // Same as I except it can optionally modify CPSR. Note it's modeled as
427 // an input operand since by default it's a zero register. It will
428 // become an implicit def once it's "flipped".
429 class sI<bits<4> opcod, dag oops, dag iops, AddrMode am, SizeFlagVal sz, IndexMode im,
430 Format f, string opc, string asm, string cstr, list<dag> pattern>
431 : InstARM<opcod, am, sz, im, f, cstr> {
432 let OutOperandList = oops;
433 let InOperandList = !con(iops, (ops pred:$p, cc_out:$s));
434 let AsmString = !strconcat(opc, !strconcat("${p}${s}", asm));
435 let Pattern = pattern;
436 list<Predicate> Predicates = [IsARM];
439 class AI<bits<4> opcod, dag oops, dag iops, Format f, string opc,
440 string asm, list<dag> pattern>
441 : I<opcod, oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, f, opc,
443 class AsI<bits<4> opcod, dag oops, dag iops, Format f, string opc,
444 string asm, list<dag> pattern>
445 : sI<opcod, oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, f, opc,
447 class AI1<bits<4> opcod, dag oops, dag iops, Format f, string opc,
448 string asm, list<dag> pattern>
449 : I<opcod, oops, iops, AddrMode1, Size4Bytes, IndexModeNone, f, opc,
451 class AsI1<bits<4> opcod, dag oops, dag iops, Format f, string opc,
452 string asm, list<dag> pattern>
453 : sI<opcod, oops, iops, AddrMode1, Size4Bytes, IndexModeNone, f, opc,
455 class AI2<bits<4> opcod, dag oops, dag iops, Format f, string opc,
456 string asm, list<dag> pattern>
457 : I<opcod, oops, iops, AddrMode2, Size4Bytes, IndexModeNone, f, opc,
459 class AI3<bits<4> opcod, dag oops, dag iops, Format f, string opc,
460 string asm, list<dag> pattern>
461 : I<opcod, oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, opc,
463 class AI4<bits<4> opcod, dag oops, dag iops, Format f, string opc,
464 string asm, list<dag> pattern>
465 : I<opcod, oops, iops, AddrMode4, Size4Bytes, IndexModeNone, f, opc,
467 class AI1x2<bits<4> opcod, dag oops, dag iops, Format f, string opc,
468 string asm, list<dag> pattern>
469 : I<opcod, oops, iops, AddrMode1, Size8Bytes, IndexModeNone, f, opc,
473 class AI2pr<bits<4> opcod, dag oops, dag iops, Format f, string opc,
474 string asm, string cstr, list<dag> pattern>
475 : I<opcod, oops, iops, AddrMode2, Size4Bytes, IndexModePre, f, opc,
477 class AI3pr<bits<4> opcod, dag oops, dag iops, Format f, string opc,
478 string asm, string cstr, list<dag> pattern>
479 : I<opcod, oops, iops, AddrMode3, Size4Bytes, IndexModePre, f, opc,
483 class AI2po<bits<4> opcod, dag oops, dag iops, Format f, string opc,
484 string asm, string cstr, list<dag> pattern>
485 : I<opcod, oops, iops, AddrMode2, Size4Bytes, IndexModePost, f, opc,
487 class AI3po<bits<4> opcod, dag oops, dag iops, Format f, string opc,
488 string asm, string cstr, list<dag> pattern>
489 : I<opcod, oops, iops, AddrMode3, Size4Bytes, IndexModePost, f, opc,
493 class BinOpFrag<dag res> : PatFrag<(ops node:$LHS, node:$RHS), res>;
494 class UnOpFrag <dag res> : PatFrag<(ops node:$Src), res>;
497 /// AI1_bin_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns for a
498 /// binop that produces a value.
499 multiclass AsI1_bin_irs<bits<4> opcod, string opc, PatFrag opnode> {
500 def ri : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPRIm,
501 opc, " $dst, $a, $b",
502 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]>;
503 def rr : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPRReg,
504 opc, " $dst, $a, $b",
505 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]>;
506 def rs : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPRSoReg,
507 opc, " $dst, $a, $b",
508 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]>;
511 /// ASI1_bin_s_irs - Similar to AsI1_bin_irs except it sets the 's' bit so the
512 /// instruction modifies the CSPR register.
513 multiclass ASI1_bin_s_irs<bits<4> opcod, string opc, PatFrag opnode> {
514 def ri : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPRImS,
515 opc, "s $dst, $a, $b",
516 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]>, Imp<[], [CPSR]>;
517 def rr : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPRRegS,
518 opc, "s $dst, $a, $b",
519 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]>, Imp<[], [CPSR]>;
520 def rs : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPRSoRegS,
521 opc, "s $dst, $a, $b",
522 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]>, Imp<[], [CPSR]>;
525 /// AI1_cmp_irs - Defines a set of (op r, {so_imm|r|so_reg}) cmp / test
526 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
527 /// a explicit result, only implicitly set CPSR.
528 multiclass AI1_cmp_irs<bits<4> opcod, string opc, PatFrag opnode> {
529 def ri : AI1<opcod, (outs), (ins GPR:$a, so_imm:$b), DPRnIm,
531 [(opnode GPR:$a, so_imm:$b)]>, Imp<[], [CPSR]>;
532 def rr : AI1<opcod, (outs), (ins GPR:$a, GPR:$b), DPRnReg,
534 [(opnode GPR:$a, GPR:$b)]>, Imp<[], [CPSR]>;
535 def rs : AI1<opcod, (outs), (ins GPR:$a, so_reg:$b), DPRnSoReg,
537 [(opnode GPR:$a, so_reg:$b)]>, Imp<[], [CPSR]>;
540 /// AI_unary_rrot - A unary operation with two forms: one whose operand is a
541 /// register and one whose operand is a register rotated by 8/16/24.
542 multiclass AI_unary_rrot<bits<4> opcod, string opc, PatFrag opnode> {
543 def r : AI<opcod, (outs GPR:$dst), (ins GPR:$Src), Pseudo,
545 [(set GPR:$dst, (opnode GPR:$Src))]>, Requires<[IsARM, HasV6]>;
546 def r_rot : AI<opcod, (outs GPR:$dst), (ins GPR:$Src, i32imm:$rot), Pseudo,
547 opc, " $dst, $Src, ror $rot",
548 [(set GPR:$dst, (opnode (rotr GPR:$Src, rot_imm:$rot)))]>,
549 Requires<[IsARM, HasV6]>;
552 /// AI_bin_rrot - A binary operation with two forms: one whose operand is a
553 /// register and one whose operand is a register rotated by 8/16/24.
554 multiclass AI_bin_rrot<bits<4> opcod, string opc, PatFrag opnode> {
555 def rr : AI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS),
556 Pseudo, opc, " $dst, $LHS, $RHS",
557 [(set GPR:$dst, (opnode GPR:$LHS, GPR:$RHS))]>,
558 Requires<[IsARM, HasV6]>;
559 def rr_rot : AI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS, i32imm:$rot),
560 Pseudo, opc, " $dst, $LHS, $RHS, ror $rot",
561 [(set GPR:$dst, (opnode GPR:$LHS,
562 (rotr GPR:$RHS, rot_imm:$rot)))]>,
563 Requires<[IsARM, HasV6]>;
567 class XI<bits<4> opcod, dag oops, dag iops, AddrMode am, SizeFlagVal sz,
568 IndexMode im, Format f, string asm, string cstr, list<dag> pattern>
569 : InstARM<opcod, am, sz, im, f, cstr> {
570 let OutOperandList = oops;
571 let InOperandList = iops;
573 let Pattern = pattern;
574 list<Predicate> Predicates = [IsARM];
577 class AXI<bits<4> opcod, dag oops, dag iops, Format f, string asm,
579 : XI<opcod, oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, f, asm,
581 class AXI1<bits<4> opcod, dag oops, dag iops, Format f, string asm,
583 : XI<opcod, oops, iops, AddrMode1, Size4Bytes, IndexModeNone, f, asm,
585 class AXI2<bits<4> opcod, dag oops, dag iops, Format f, string asm,
587 : XI<opcod, oops, iops, AddrMode2, Size4Bytes, IndexModeNone, f, asm,
589 class AXI3<bits<4> opcod, dag oops, dag iops, Format f, string asm,
591 : XI<opcod, oops, iops, AddrMode3, Size4Bytes, IndexModeNone, f, asm,
593 class AXI4<bits<4> opcod, dag oops, dag iops, Format f, string asm,
595 : XI<opcod, oops, iops, AddrMode4, Size4Bytes, IndexModeNone, f, asm,
598 class AXIx2<bits<4> opcod, dag oops, dag iops, Format f, string asm,
600 : XI<opcod, oops, iops, AddrModeNone, Size8Bytes, IndexModeNone, f, asm,
603 // BR_JT instructions
604 class JTI<bits<4> opcod, dag oops, dag iops, string asm, list<dag> pattern>
605 : XI<opcod, oops, iops, AddrModeNone, SizeSpecial, IndexModeNone, BranchMisc,
607 class JTI1<bits<4> opcod, dag oops, dag iops, string asm, list<dag> pattern>
608 : XI<opcod, oops, iops, AddrMode1, SizeSpecial, IndexModeNone, BranchMisc,
610 class JTI2<bits<4> opcod, dag oops, dag iops, string asm, list<dag> pattern>
611 : XI<opcod, oops, iops, AddrMode2, SizeSpecial, IndexModeNone, BranchMisc,
614 /// AsXI1_bin_c_irs - Same as AsI1_bin_irs but without the predicate operand and
615 /// setting carry bit. But it can optionally set CPSR.
616 multiclass AsXI1_bin_c_irs<bits<4> opcod, string opc, PatFrag opnode> {
617 def ri : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b, cc_out:$s),
618 DPRIm, !strconcat(opc, "${s} $dst, $a, $b"),
619 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]>, Imp<[CPSR], []>;
620 def rr : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b, cc_out:$s),
621 DPRReg, !strconcat(opc, "${s} $dst, $a, $b"),
622 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]>, Imp<[CPSR], []>;
623 def rs : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b, cc_out:$s),
624 DPRSoReg, !strconcat(opc, "${s} $dst, $a, $b"),
625 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]>, Imp<[CPSR], []>;
628 //===----------------------------------------------------------------------===//
630 //===----------------------------------------------------------------------===//
632 //===----------------------------------------------------------------------===//
633 // Miscellaneous Instructions.
635 def IMPLICIT_DEF_GPR :
636 PseudoInst<(outs GPR:$rD), (ins pred:$p),
637 "@ IMPLICIT_DEF_GPR $rD",
638 [(set GPR:$rD, (undef))]>;
641 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
642 /// the function. The first operand is the ID# for this instruction, the second
643 /// is the index into the MachineConstantPool that this is, the third is the
644 /// size in bytes of this constant pool entry.
645 let isNotDuplicable = 1 in
646 def CONSTPOOL_ENTRY :
647 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
649 "${instid:label} ${cpidx:cpentry}", []>;
652 PseudoInst<(outs), (ins i32imm:$amt, pred:$p),
653 "@ ADJCALLSTACKUP $amt",
654 [(ARMcallseq_end imm:$amt)]>, Imp<[SP],[SP]>;
656 def ADJCALLSTACKDOWN :
657 PseudoInst<(outs), (ins i32imm:$amt, pred:$p),
658 "@ ADJCALLSTACKDOWN $amt",
659 [(ARMcallseq_start imm:$amt)]>, Imp<[SP],[SP]>;
662 PseudoInst<(outs), (ins i32imm:$line, i32imm:$col, i32imm:$file),
663 ".loc $file, $line, $col",
664 [(dwarf_loc (i32 imm:$line), (i32 imm:$col), (i32 imm:$file))]>;
666 let isNotDuplicable = 1 in {
667 def PICADD : AXI1<0x0, (outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
668 Pseudo, "$cp:\n\tadd$p $dst, pc, $a",
669 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
671 let isLoad = 1, AddedComplexity = 10 in {
672 def PICLD : AXI2<0x0, (outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
673 Pseudo, "${addr:label}:\n\tldr$p $dst, $addr",
674 [(set GPR:$dst, (load addrmodepc:$addr))]>;
676 def PICLDZH : AXI3<0x0, (outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
677 Pseudo, "${addr:label}:\n\tldr${p}h $dst, $addr",
678 [(set GPR:$dst, (zextloadi16 addrmodepc:$addr))]>;
680 def PICLDZB : AXI2<0x0, (outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
681 Pseudo, "${addr:label}:\n\tldr${p}b $dst, $addr",
682 [(set GPR:$dst, (zextloadi8 addrmodepc:$addr))]>;
684 def PICLDH : AXI3<0x0, (outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
685 Pseudo, "${addr:label}:\n\tldr${p}h $dst, $addr",
686 [(set GPR:$dst, (extloadi16 addrmodepc:$addr))]>;
688 def PICLDB : AXI2<0x0, (outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
689 Pseudo, "${addr:label}:\n\tldr${p}b $dst, $addr",
690 [(set GPR:$dst, (extloadi8 addrmodepc:$addr))]>;
692 def PICLDSH : AXI3<0x0, (outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
693 Pseudo, "${addr:label}:\n\tldr${p}sh $dst, $addr",
694 [(set GPR:$dst, (sextloadi16 addrmodepc:$addr))]>;
696 def PICLDSB : AXI3<0x0, (outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
697 Pseudo, "${addr:label}:\n\tldr${p}sb $dst, $addr",
698 [(set GPR:$dst, (sextloadi8 addrmodepc:$addr))]>;
700 let isStore = 1, AddedComplexity = 10 in {
701 def PICSTR : AXI2<0x0, (outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
702 Pseudo, "${addr:label}:\n\tstr$p $src, $addr",
703 [(store GPR:$src, addrmodepc:$addr)]>;
705 def PICSTRH : AXI3<0x0, (outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
706 Pseudo, "${addr:label}:\n\tstr${p}h $src, $addr",
707 [(truncstorei16 GPR:$src, addrmodepc:$addr)]>;
709 def PICSTRB : AXI2<0x0, (outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
710 Pseudo, "${addr:label}:\n\tstr${p}b $src, $addr",
711 [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
715 //===----------------------------------------------------------------------===//
716 // Control Flow Instructions.
719 let isReturn = 1, isTerminator = 1 in
720 def BX_RET : AI<0x1, (outs), (ins), BranchMisc, "bx", " lr", [(ARMretflag)]>;
722 // FIXME: remove when we have a way to marking a MI with these properties.
723 // FIXME: $dst1 should be a def. But the extra ops must be in the end of the
725 let isLoad = 1, isReturn = 1, isTerminator = 1 in
726 def LDM_RET : AXI4<0x0, (outs),
727 (ins addrmode4:$addr, pred:$p, reglist:$dst1, variable_ops),
728 LdFrm, "ldm${p}${addr:submode} $addr, $dst1",
732 Defs = [R0, R1, R2, R3, R12, LR,
733 D0, D1, D2, D3, D4, D5, D6, D7, CPSR] in {
734 def BL : AXI<0xB, (outs), (ins i32imm:$func, variable_ops), Branch,
736 [(ARMcall tglobaladdr:$func)]>;
738 def BL_pred : AI<0xB, (outs), (ins i32imm:$func, variable_ops),
739 Branch, "bl", " ${func:call}",
740 [(ARMcall_pred tglobaladdr:$func)]>;
743 def BLX : AXI<0x2, (outs), (ins GPR:$func, variable_ops), BranchMisc,
745 [(ARMcall GPR:$func)]>, Requires<[IsARM, HasV5T]>;
748 def BX : AXIx2<0x0, (outs), (ins GPR:$func, variable_ops),
749 BranchMisc, "mov lr, pc\n\tbx $func",
750 [(ARMcall_nolink GPR:$func)]>;
754 let isBranch = 1, isTerminator = 1 in {
755 // B is "predicable" since it can be xformed into a Bcc.
756 let isBarrier = 1 in {
757 let isPredicable = 1 in
758 def B : AXI<0xA, (outs), (ins brtarget:$target), Branch, "b $target",
761 let isNotDuplicable = 1 in {
762 def BR_JTr : JTI<0x0, (outs), (ins GPR:$target, jtblock_operand:$jt, i32imm:$id),
763 "mov pc, $target \n$jt",
764 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]>;
765 def BR_JTm : JTI2<0x0, (outs), (ins addrmode2:$target, jtblock_operand:$jt, i32imm:$id),
766 "ldr pc, $target \n$jt",
767 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
769 def BR_JTadd : JTI1<0x0, (outs), (ins GPR:$target, GPR:$idx, jtblock_operand:$jt,
771 "add pc, $target, $idx \n$jt",
772 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
777 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
778 // a two-value operand where a dag node expects two operands. :(
779 def Bcc : AI<0x0, (outs), (ins brtarget:$target), Branch,
781 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]>;
784 //===----------------------------------------------------------------------===//
785 // Load / store Instructions.
790 def LDR : AI2<0x0, (outs GPR:$dst), (ins addrmode2:$addr), LdFrm,
791 "ldr", " $dst, $addr",
792 [(set GPR:$dst, (load addrmode2:$addr))]>;
794 // Special LDR for loads from non-pc-relative constpools.
795 let isReMaterializable = 1 in
796 def LDRcp : AI2<0x0, (outs GPR:$dst), (ins addrmode2:$addr), LdFrm,
797 "ldr", " $dst, $addr", []>;
799 // Loads with zero extension
800 def LDRH : AI3<0xB, (outs GPR:$dst), (ins addrmode3:$addr), LdFrm,
801 "ldr", "h $dst, $addr",
802 [(set GPR:$dst, (zextloadi16 addrmode3:$addr))]>;
804 def LDRB : AI2<0x1, (outs GPR:$dst), (ins addrmode2:$addr), LdFrm,
805 "ldr", "b $dst, $addr",
806 [(set GPR:$dst, (zextloadi8 addrmode2:$addr))]>;
808 // Loads with sign extension
809 def LDRSH : AI3<0xE, (outs GPR:$dst), (ins addrmode3:$addr), LdFrm,
810 "ldr", "sh $dst, $addr",
811 [(set GPR:$dst, (sextloadi16 addrmode3:$addr))]>;
813 def LDRSB : AI3<0xD, (outs GPR:$dst), (ins addrmode3:$addr), LdFrm,
814 "ldr", "sb $dst, $addr",
815 [(set GPR:$dst, (sextloadi8 addrmode3:$addr))]>;
818 def LDRD : AI3<0x0, (outs GPR:$dst), (ins addrmode3:$addr), LdFrm,
819 "ldr", "d $dst, $addr",
820 []>, Requires<[IsARM, HasV5T]>;
823 def LDR_PRE : AI2pr<0x0, (outs GPR:$dst, GPR:$base_wb),
824 (ins addrmode2:$addr), LdFrm,
825 "ldr", " $dst, $addr!", "$addr.base = $base_wb", []>;
827 def LDR_POST : AI2po<0x0, (outs GPR:$dst, GPR:$base_wb),
828 (ins GPR:$base, am2offset:$offset), LdFrm,
829 "ldr", " $dst, [$base], $offset", "$base = $base_wb", []>;
831 def LDRH_PRE : AI3pr<0xB, (outs GPR:$dst, GPR:$base_wb),
832 (ins addrmode3:$addr), LdFrm,
833 "ldr", "h $dst, $addr!", "$addr.base = $base_wb", []>;
835 def LDRH_POST : AI3po<0xB, (outs GPR:$dst, GPR:$base_wb),
836 (ins GPR:$base,am3offset:$offset), LdFrm,
837 "ldr", "h $dst, [$base], $offset", "$base = $base_wb", []>;
839 def LDRB_PRE : AI2pr<0x1, (outs GPR:$dst, GPR:$base_wb),
840 (ins addrmode2:$addr), LdFrm,
841 "ldr", "b $dst, $addr!", "$addr.base = $base_wb", []>;
843 def LDRB_POST : AI2po<0x1, (outs GPR:$dst, GPR:$base_wb),
844 (ins GPR:$base,am2offset:$offset), LdFrm,
845 "ldr", "b $dst, [$base], $offset", "$base = $base_wb", []>;
847 def LDRSH_PRE : AI3pr<0xE, (outs GPR:$dst, GPR:$base_wb),
848 (ins addrmode3:$addr), LdFrm,
849 "ldr", "sh $dst, $addr!", "$addr.base = $base_wb", []>;
851 def LDRSH_POST: AI3po<0xE, (outs GPR:$dst, GPR:$base_wb),
852 (ins GPR:$base,am3offset:$offset), LdFrm,
853 "ldr", "sh $dst, [$base], $offset", "$base = $base_wb", []>;
855 def LDRSB_PRE : AI3pr<0xD, (outs GPR:$dst, GPR:$base_wb),
856 (ins addrmode3:$addr), LdFrm,
857 "ldr", "sb $dst, $addr!", "$addr.base = $base_wb", []>;
859 def LDRSB_POST: AI3po<0xD, (outs GPR:$dst, GPR:$base_wb),
860 (ins GPR:$base,am3offset:$offset), LdFrm,
861 "ldr", "sb $dst, [$base], $offset", "$base = $base_wb", []>;
866 def STR : AI2<0x0, (outs), (ins GPR:$src, addrmode2:$addr), StFrm,
867 "str", " $src, $addr",
868 [(store GPR:$src, addrmode2:$addr)]>;
870 // Stores with truncate
871 def STRH : AI3<0xB, (outs), (ins GPR:$src, addrmode3:$addr), StFrm,
872 "str", "h $src, $addr",
873 [(truncstorei16 GPR:$src, addrmode3:$addr)]>;
875 def STRB : AI2<0x1, (outs), (ins GPR:$src, addrmode2:$addr), StFrm,
876 "str", "b $src, $addr",
877 [(truncstorei8 GPR:$src, addrmode2:$addr)]>;
880 def STRD : AI3<0x0, (outs), (ins GPR:$src, addrmode3:$addr), StFrm,
881 "str", "d $src, $addr",
882 []>, Requires<[IsARM, HasV5T]>;
885 def STR_PRE : AI2pr<0x0, (outs GPR:$base_wb),
886 (ins GPR:$src, GPR:$base, am2offset:$offset), StFrm,
887 "str", " $src, [$base, $offset]!", "$base = $base_wb",
889 (pre_store GPR:$src, GPR:$base, am2offset:$offset))]>;
891 def STR_POST : AI2po<0x0, (outs GPR:$base_wb),
892 (ins GPR:$src, GPR:$base,am2offset:$offset), StFrm,
893 "str", " $src, [$base], $offset", "$base = $base_wb",
895 (post_store GPR:$src, GPR:$base, am2offset:$offset))]>;
897 def STRH_PRE : AI3pr<0xB, (outs GPR:$base_wb),
898 (ins GPR:$src, GPR:$base,am3offset:$offset), StFrm,
899 "str", "h $src, [$base, $offset]!", "$base = $base_wb",
901 (pre_truncsti16 GPR:$src, GPR:$base,am3offset:$offset))]>;
903 def STRH_POST: AI3po<0xB, (outs GPR:$base_wb),
904 (ins GPR:$src, GPR:$base,am3offset:$offset), StFrm,
905 "str", "h $src, [$base], $offset", "$base = $base_wb",
906 [(set GPR:$base_wb, (post_truncsti16 GPR:$src,
907 GPR:$base, am3offset:$offset))]>;
909 def STRB_PRE : AI2pr<0x1, (outs GPR:$base_wb),
910 (ins GPR:$src, GPR:$base,am2offset:$offset), StFrm,
911 "str", "b $src, [$base, $offset]!", "$base = $base_wb",
912 [(set GPR:$base_wb, (pre_truncsti8 GPR:$src,
913 GPR:$base, am2offset:$offset))]>;
915 def STRB_POST: AI2po<0x1, (outs GPR:$base_wb),
916 (ins GPR:$src, GPR:$base,am2offset:$offset), StFrm,
917 "str", "b $src, [$base], $offset", "$base = $base_wb",
918 [(set GPR:$base_wb, (post_truncsti8 GPR:$src,
919 GPR:$base, am2offset:$offset))]>;
922 //===----------------------------------------------------------------------===//
923 // Load / store multiple Instructions.
926 // FIXME: $dst1 should be a def.
928 def LDM : AXI4<0x0, (outs),
929 (ins addrmode4:$addr, pred:$p, reglist:$dst1, variable_ops),
930 LdFrm, "ldm${p}${addr:submode} $addr, $dst1",
934 def STM : AXI4<0x0, (outs),
935 (ins addrmode4:$addr, pred:$p, reglist:$src1, variable_ops),
936 StFrm, "stm${p}${addr:submode} $addr, $src1",
939 //===----------------------------------------------------------------------===//
940 // Move Instructions.
943 def MOVr : AsI1<0xD, (outs GPR:$dst), (ins GPR:$src), DPRdReg,
944 "mov", " $dst, $src", []>;
945 def MOVs : AsI1<0xD, (outs GPR:$dst), (ins so_reg:$src), DPRdSoReg,
946 "mov", " $dst, $src", [(set GPR:$dst, so_reg:$src)]>;
948 let isReMaterializable = 1 in
949 def MOVi : AsI1<0xD, (outs GPR:$dst), (ins so_imm:$src), DPRdIm,
950 "mov", " $dst, $src", [(set GPR:$dst, so_imm:$src)]>;
952 def MOVrx : AsI1<0xD, (outs GPR:$dst), (ins GPR:$src), DPRdMisc,
953 "mov", " $dst, $src, rrx",
954 [(set GPR:$dst, (ARMrrx GPR:$src))]>;
956 // These aren't really mov instructions, but we have to define them this way
957 // due to flag operands.
959 def MOVsrl_flag : AI1<0xD, (outs GPR:$dst), (ins GPR:$src), DPRdMisc,
960 "mov", "s $dst, $src, lsr #1",
961 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, Imp<[], [CPSR]>;
962 def MOVsra_flag : AI1<0xD, (outs GPR:$dst), (ins GPR:$src), DPRdMisc,
963 "mov", "s $dst, $src, asr #1",
964 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, Imp<[], [CPSR]>;
966 //===----------------------------------------------------------------------===//
967 // Extend Instructions.
972 defm SXTB : AI_unary_rrot<0x0, "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
973 defm SXTH : AI_unary_rrot<0x0, "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
975 defm SXTAB : AI_bin_rrot<0x0, "sxtab",
976 BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
977 defm SXTAH : AI_bin_rrot<0x0, "sxtah",
978 BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
980 // TODO: SXT(A){B|H}16
984 let AddedComplexity = 16 in {
985 defm UXTB : AI_unary_rrot<0x0, "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
986 defm UXTH : AI_unary_rrot<0x0, "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
987 defm UXTB16 : AI_unary_rrot<0x0, "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
989 def : ARMV6Pat<(and (shl GPR:$Src, 8), 0xFF00FF),
990 (UXTB16r_rot GPR:$Src, 24)>;
991 def : ARMV6Pat<(and (srl GPR:$Src, 8), 0xFF00FF),
992 (UXTB16r_rot GPR:$Src, 8)>;
994 defm UXTAB : AI_bin_rrot<0x0, "uxtab",
995 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
996 defm UXTAH : AI_bin_rrot<0x0, "uxtah",
997 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
1000 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
1001 //defm UXTAB16 : xxx<"uxtab16", 0xff00ff>;
1003 // TODO: UXT(A){B|H}16
1005 //===----------------------------------------------------------------------===//
1006 // Arithmetic Instructions.
1009 defm ADD : AsI1_bin_irs<0x4, "add", BinOpFrag<(add node:$LHS, node:$RHS)>>;
1010 defm SUB : AsI1_bin_irs<0x2, "sub", BinOpFrag<(sub node:$LHS, node:$RHS)>>;
1012 // ADD and SUB with 's' bit set.
1013 defm ADDS : ASI1_bin_s_irs<0x4, "add", BinOpFrag<(addc node:$LHS, node:$RHS)>>;
1014 defm SUBS : ASI1_bin_s_irs<0x2, "sub", BinOpFrag<(subc node:$LHS, node:$RHS)>>;
1016 // FIXME: Do not allow ADC / SBC to be predicated for now.
1017 defm ADC : AsXI1_bin_c_irs<0x5, "adc", BinOpFrag<(adde node:$LHS, node:$RHS)>>;
1018 defm SBC : AsXI1_bin_c_irs<0x6, "sbc", BinOpFrag<(sube node:$LHS, node:$RHS)>>;
1020 // These don't define reg/reg forms, because they are handled above.
1021 def RSBri : AsI1<0x3, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPRIm,
1022 "rsb", " $dst, $a, $b",
1023 [(set GPR:$dst, (sub so_imm:$b, GPR:$a))]>;
1025 def RSBrs : AsI1<0x3, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPRSoReg,
1026 "rsb", " $dst, $a, $b",
1027 [(set GPR:$dst, (sub so_reg:$b, GPR:$a))]>;
1029 // RSB with 's' bit set.
1030 def RSBSri : AI1<0x3, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPRIm,
1031 "rsb", "s $dst, $a, $b",
1032 [(set GPR:$dst, (subc so_imm:$b, GPR:$a))]>, Imp<[], [CPSR]>;
1033 def RSBSrs : AI1<0x3, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPRSoReg,
1034 "rsb", "s $dst, $a, $b",
1035 [(set GPR:$dst, (subc so_reg:$b, GPR:$a))]>, Imp<[], [CPSR]>;
1037 // FIXME: Do not allow RSC to be predicated for now. But they can set CPSR.
1038 def RSCri : AXI1<0x7, (outs GPR:$dst), (ins GPR:$a, so_imm:$b, cc_out:$s),
1039 DPRIm, "rsc${s} $dst, $a, $b",
1040 [(set GPR:$dst, (sube so_imm:$b, GPR:$a))]>, Imp<[CPSR], []>;
1041 def RSCrs : AXI1<0x7, (outs GPR:$dst), (ins GPR:$a, so_reg:$b, cc_out:$s),
1042 DPRSoReg, "rsc${s} $dst, $a, $b",
1043 [(set GPR:$dst, (sube so_reg:$b, GPR:$a))]>, Imp<[CPSR], []>;
1045 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
1046 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
1047 (SUBri GPR:$src, so_imm_neg:$imm)>;
1049 //def : ARMPat<(addc GPR:$src, so_imm_neg:$imm),
1050 // (SUBSri GPR:$src, so_imm_neg:$imm)>;
1051 //def : ARMPat<(adde GPR:$src, so_imm_neg:$imm),
1052 // (SBCri GPR:$src, so_imm_neg:$imm)>;
1054 // Note: These are implemented in C++ code, because they have to generate
1055 // ADD/SUBrs instructions, which use a complex pattern that a xform function
1057 // (mul X, 2^n+1) -> (add (X << n), X)
1058 // (mul X, 2^n-1) -> (rsb X, (X << n))
1061 //===----------------------------------------------------------------------===//
1062 // Bitwise Instructions.
1065 defm AND : AsI1_bin_irs<0x0, "and", BinOpFrag<(and node:$LHS, node:$RHS)>>;
1066 defm ORR : AsI1_bin_irs<0xC, "orr", BinOpFrag<(or node:$LHS, node:$RHS)>>;
1067 defm EOR : AsI1_bin_irs<0x1, "eor", BinOpFrag<(xor node:$LHS, node:$RHS)>>;
1068 defm BIC : AsI1_bin_irs<0xE, "bic", BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
1070 def MVNr : AsI<0xE, (outs GPR:$dst), (ins GPR:$src), DPRdReg,
1071 "mvn", " $dst, $src", [(set GPR:$dst, (not GPR:$src))]>;
1072 def MVNs : AsI<0xE, (outs GPR:$dst), (ins so_reg:$src), DPRdSoReg,
1073 "mvn", " $dst, $src", [(set GPR:$dst, (not so_reg:$src))]>;
1074 let isReMaterializable = 1 in
1075 def MVNi : AsI<0xE, (outs GPR:$dst), (ins so_imm:$imm), DPRdIm,
1076 "mvn", " $dst, $imm", [(set GPR:$dst, so_imm_not:$imm)]>;
1078 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
1079 (BICri GPR:$src, so_imm_not:$imm)>;
1081 //===----------------------------------------------------------------------===//
1082 // Multiply Instructions.
1085 def MUL : AsI<0x0, (outs GPR:$dst), (ins GPR:$a, GPR:$b), MulFrm,
1086 "mul", " $dst, $a, $b",
1087 [(set GPR:$dst, (mul GPR:$a, GPR:$b))]>;
1089 def MLA : AsI<0x2, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1090 MulFrm, "mla", " $dst, $a, $b, $c",
1091 [(set GPR:$dst, (add (mul GPR:$a, GPR:$b), GPR:$c))]>;
1093 // Extra precision multiplies with low / high results
1094 def SMULL : AsI<0xC, (outs GPR:$ldst, GPR:$hdst), (ins GPR:$a, GPR:$b),
1095 MulFrm, "smull", " $ldst, $hdst, $a, $b", []>;
1097 def UMULL : AsI<0x8, (outs GPR:$ldst, GPR:$hdst), (ins GPR:$a, GPR:$b),
1098 MulFrm, "umull", " $ldst, $hdst, $a, $b", []>;
1100 // Multiply + accumulate
1101 def SMLAL : AsI<0xE, (outs GPR:$ldst, GPR:$hdst), (ins GPR:$a, GPR:$b),
1102 MulFrm, "smlal", " $ldst, $hdst, $a, $b", []>;
1104 def UMLAL : AsI<0xA, (outs GPR:$ldst, GPR:$hdst), (ins GPR:$a, GPR:$b),
1105 MulFrm, "umlal", " $ldst, $hdst, $a, $b", []>;
1107 def UMAAL : AI<0x0, (outs GPR:$ldst, GPR:$hdst), (ins GPR:$a, GPR:$b), MulFrm,
1108 "umaal", " $ldst, $hdst, $a, $b", []>,
1109 Requires<[IsARM, HasV6]>;
1111 // Most significant word multiply
1112 def SMMUL : AI<0x0, (outs GPR:$dst), (ins GPR:$a, GPR:$b), MulFrm,
1113 "smmul", " $dst, $a, $b",
1114 [(set GPR:$dst, (mulhs GPR:$a, GPR:$b))]>,
1115 Requires<[IsARM, HasV6]>;
1117 def SMMLA : AI<0x0, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c), MulFrm,
1118 "smmla", " $dst, $a, $b, $c",
1119 [(set GPR:$dst, (add (mulhs GPR:$a, GPR:$b), GPR:$c))]>,
1120 Requires<[IsARM, HasV6]>;
1123 def SMMLS : AI<0x0, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c), MulFrm,
1124 "smmls", " $dst, $a, $b, $c",
1125 [(set GPR:$dst, (sub GPR:$c, (mulhs GPR:$a, GPR:$b)))]>,
1126 Requires<[IsARM, HasV6]>;
1128 multiclass AI_smul<bits<4> opcod, string opc, PatFrag opnode> {
1129 def BB : AI<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b), MulFrm,
1130 !strconcat(opc, "bb"), " $dst, $a, $b",
1131 [(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16),
1132 (sext_inreg GPR:$b, i16)))]>,
1133 Requires<[IsARM, HasV5TE]>;
1134 def BT : AI<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b), MulFrm,
1135 !strconcat(opc, "bt"), " $dst, $a, $b",
1136 [(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16),
1137 (sra GPR:$b, 16)))]>,
1138 Requires<[IsARM, HasV5TE]>;
1139 def TB : AI<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b), MulFrm,
1140 !strconcat(opc, "tb"), " $dst, $a, $b",
1141 [(set GPR:$dst, (opnode (sra GPR:$a, 16),
1142 (sext_inreg GPR:$b, i16)))]>,
1143 Requires<[IsARM, HasV5TE]>;
1144 def TT : AI<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b), MulFrm,
1145 !strconcat(opc, "tt"), " $dst, $a, $b",
1146 [(set GPR:$dst, (opnode (sra GPR:$a, 16),
1147 (sra GPR:$b, 16)))]>,
1148 Requires<[IsARM, HasV5TE]>;
1149 def WB : AI<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b), MulFrm,
1150 !strconcat(opc, "wb"), " $dst, $a, $b",
1151 [(set GPR:$dst, (sra (opnode GPR:$a,
1152 (sext_inreg GPR:$b, i16)), 16))]>,
1153 Requires<[IsARM, HasV5TE]>;
1154 def WT : AI<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b), MulFrm,
1155 !strconcat(opc, "wt"), " $dst, $a, $b",
1156 [(set GPR:$dst, (sra (opnode GPR:$a,
1157 (sra GPR:$b, 16)), 16))]>,
1158 Requires<[IsARM, HasV5TE]>;
1161 multiclass AI_smla<bits<4> opcod, string opc, PatFrag opnode> {
1162 def BB : AI<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc), MulFrm,
1163 !strconcat(opc, "bb"), " $dst, $a, $b, $acc",
1164 [(set GPR:$dst, (add GPR:$acc,
1165 (opnode (sext_inreg GPR:$a, i16),
1166 (sext_inreg GPR:$b, i16))))]>,
1167 Requires<[IsARM, HasV5TE]>;
1168 def BT : AI<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc), MulFrm,
1169 !strconcat(opc, "bt"), " $dst, $a, $b, $acc",
1170 [(set GPR:$dst, (add GPR:$acc, (opnode (sext_inreg GPR:$a, i16),
1171 (sra GPR:$b, 16))))]>,
1172 Requires<[IsARM, HasV5TE]>;
1173 def TB : AI<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc), MulFrm,
1174 !strconcat(opc, "tb"), " $dst, $a, $b, $acc",
1175 [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, 16),
1176 (sext_inreg GPR:$b, i16))))]>,
1177 Requires<[IsARM, HasV5TE]>;
1178 def TT : AI<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc), MulFrm,
1179 !strconcat(opc, "tt"), " $dst, $a, $b, $acc",
1180 [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, 16),
1181 (sra GPR:$b, 16))))]>,
1182 Requires<[IsARM, HasV5TE]>;
1184 def WB : AI<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc), MulFrm,
1185 !strconcat(opc, "wb"), " $dst, $a, $b, $acc",
1186 [(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a,
1187 (sext_inreg GPR:$b, i16)), 16)))]>,
1188 Requires<[IsARM, HasV5TE]>;
1189 def WT : AI<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc), MulFrm,
1190 !strconcat(opc, "wt"), " $dst, $a, $b, $acc",
1191 [(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a,
1192 (sra GPR:$b, 16)), 16)))]>,
1193 Requires<[IsARM, HasV5TE]>;
1196 defm SMUL : AI_smul<0x0, "smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
1197 defm SMLA : AI_smla<0x0, "smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
1199 // TODO: Halfword multiple accumulate long: SMLAL<x><y>
1200 // TODO: Dual halfword multiple: SMUAD, SMUSD, SMLAD, SMLSD, SMLALD, SMLSLD
1202 //===----------------------------------------------------------------------===//
1203 // Misc. Arithmetic Instructions.
1206 def CLZ : AI<0x0, (outs GPR:$dst), (ins GPR:$src), ArithMisc,
1207 "clz", " $dst, $src",
1208 [(set GPR:$dst, (ctlz GPR:$src))]>, Requires<[IsARM, HasV5T]>;
1210 def REV : AI<0x0, (outs GPR:$dst), (ins GPR:$src), ArithMisc,
1211 "rev", " $dst, $src",
1212 [(set GPR:$dst, (bswap GPR:$src))]>, Requires<[IsARM, HasV6]>;
1214 def REV16 : AI<0x0, (outs GPR:$dst), (ins GPR:$src), ArithMisc,
1215 "rev16", " $dst, $src",
1217 (or (and (srl GPR:$src, 8), 0xFF),
1218 (or (and (shl GPR:$src, 8), 0xFF00),
1219 (or (and (srl GPR:$src, 8), 0xFF0000),
1220 (and (shl GPR:$src, 8), 0xFF000000)))))]>,
1221 Requires<[IsARM, HasV6]>;
1223 def REVSH : AI<0x0, (outs GPR:$dst), (ins GPR:$src), ArithMisc,
1224 "revsh", " $dst, $src",
1227 (or (srl (and GPR:$src, 0xFF00), 8),
1228 (shl GPR:$src, 8)), i16))]>,
1229 Requires<[IsARM, HasV6]>;
1231 def PKHBT : AI<0x0, (outs GPR:$dst), (ins GPR:$src1, GPR:$src2, i32imm:$shamt),
1232 Pseudo, "pkhbt", " $dst, $src1, $src2, LSL $shamt",
1233 [(set GPR:$dst, (or (and GPR:$src1, 0xFFFF),
1234 (and (shl GPR:$src2, (i32 imm:$shamt)),
1236 Requires<[IsARM, HasV6]>;
1238 // Alternate cases for PKHBT where identities eliminate some nodes.
1239 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF), (and GPR:$src2, 0xFFFF0000)),
1240 (PKHBT GPR:$src1, GPR:$src2, 0)>;
1241 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF), (shl GPR:$src2, imm16_31:$shamt)),
1242 (PKHBT GPR:$src1, GPR:$src2, imm16_31:$shamt)>;
1245 def PKHTB : AI<0x0, (outs GPR:$dst), (ins GPR:$src1, GPR:$src2, i32imm:$shamt),
1246 Pseudo, "pkhtb", " $dst, $src1, $src2, ASR $shamt",
1247 [(set GPR:$dst, (or (and GPR:$src1, 0xFFFF0000),
1248 (and (sra GPR:$src2, imm16_31:$shamt),
1249 0xFFFF)))]>, Requires<[IsARM, HasV6]>;
1251 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
1252 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
1253 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000), (srl GPR:$src2, 16)),
1254 (PKHTB GPR:$src1, GPR:$src2, 16)>;
1255 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000),
1256 (and (srl GPR:$src2, imm1_15:$shamt), 0xFFFF)),
1257 (PKHTB GPR:$src1, GPR:$src2, imm1_15:$shamt)>;
1260 //===----------------------------------------------------------------------===//
1261 // Comparison Instructions...
1264 defm CMP : AI1_cmp_irs<0xA, "cmp",
1265 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
1266 defm CMN : AI1_cmp_irs<0xB, "cmn",
1267 BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
1269 // Note that TST/TEQ don't set all the same flags that CMP does!
1270 defm TST : AI1_cmp_irs<0x8, "tst",
1271 BinOpFrag<(ARMcmpNZ (and node:$LHS, node:$RHS), 0)>>;
1272 defm TEQ : AI1_cmp_irs<0x9, "teq",
1273 BinOpFrag<(ARMcmpNZ (xor node:$LHS, node:$RHS), 0)>>;
1275 defm CMPnz : AI1_cmp_irs<0xA, "cmp",
1276 BinOpFrag<(ARMcmpNZ node:$LHS, node:$RHS)>>;
1277 defm CMNnz : AI1_cmp_irs<0xA, "cmn",
1278 BinOpFrag<(ARMcmpNZ node:$LHS,(ineg node:$RHS))>>;
1280 def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
1281 (CMNri GPR:$src, so_imm_neg:$imm)>;
1283 def : ARMPat<(ARMcmpNZ GPR:$src, so_imm_neg:$imm),
1284 (CMNri GPR:$src, so_imm_neg:$imm)>;
1287 // Conditional moves
1288 // FIXME: should be able to write a pattern for ARMcmov, but can't use
1289 // a two-value operand where a dag node expects two operands. :(
1290 def MOVCCr : AI<0xD, (outs GPR:$dst), (ins GPR:$false, GPR:$true),
1291 DPRdReg, "mov", " $dst, $true",
1292 [/*(set GPR:$dst, (ARMcmov GPR:$false, GPR:$true, imm:$cc, CCR:$ccr))*/]>,
1293 RegConstraint<"$false = $dst">;
1295 def MOVCCs : AI<0xD, (outs GPR:$dst), (ins GPR:$false, so_reg:$true),
1296 DPRdSoReg, "mov", " $dst, $true",
1297 [/*(set GPR:$dst, (ARMcmov GPR:$false, so_reg:$true, imm:$cc, CCR:$ccr))*/]>,
1298 RegConstraint<"$false = $dst">;
1300 def MOVCCi : AI<0xD, (outs GPR:$dst), (ins GPR:$false, so_imm:$true),
1301 DPRdIm, "mov", " $dst, $true",
1302 [/*(set GPR:$dst, (ARMcmov GPR:$false, so_imm:$true, imm:$cc, CCR:$ccr))*/]>,
1303 RegConstraint<"$false = $dst">;
1306 // LEApcrel - Load a pc-relative address into a register without offending the
1308 def LEApcrel : AXI1<0x0, (outs GPR:$dst), (ins i32imm:$label, pred:$p), Pseudo,
1309 !strconcat(!strconcat(".set PCRELV${:uid}, ($label-(",
1310 "${:private}PCRELL${:uid}+8))\n"),
1311 !strconcat("${:private}PCRELL${:uid}:\n\t",
1312 "add$p $dst, pc, #PCRELV${:uid}")),
1315 def LEApcrelJT : AXI1<0x0, (outs GPR:$dst), (ins i32imm:$label, i32imm:$id, pred:$p),
1317 !strconcat(!strconcat(".set PCRELV${:uid}, (${label}_${id:no_hash}-(",
1318 "${:private}PCRELL${:uid}+8))\n"),
1319 !strconcat("${:private}PCRELL${:uid}:\n\t",
1320 "add$p $dst, pc, #PCRELV${:uid}")),
1323 //===----------------------------------------------------------------------===//
1327 // __aeabi_read_tp preserves the registers r1-r3.
1329 Defs = [R0, R12, LR, CPSR] in {
1330 def TPsoft : AXI<0x0, (outs), (ins), BranchMisc,
1331 "bl __aeabi_read_tp",
1332 [(set R0, ARMthread_pointer)]>;
1335 //===----------------------------------------------------------------------===//
1336 // Non-Instruction Patterns
1339 // ConstantPool, GlobalAddress, and JumpTable
1340 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>;
1341 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
1342 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
1343 (LEApcrelJT tjumptable:$dst, imm:$id)>;
1345 // Large immediate handling.
1347 // Two piece so_imms.
1348 let isReMaterializable = 1 in
1349 def MOVi2pieces : AI1x2<0x0, (outs GPR:$dst), (ins so_imm2part:$src), DPRdMisc,
1350 "mov", " $dst, $src",
1351 [(set GPR:$dst, so_imm2part:$src)]>;
1353 def : ARMPat<(or GPR:$LHS, so_imm2part:$RHS),
1354 (ORRri (ORRri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
1355 (so_imm2part_2 imm:$RHS))>;
1356 def : ARMPat<(xor GPR:$LHS, so_imm2part:$RHS),
1357 (EORri (EORri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
1358 (so_imm2part_2 imm:$RHS))>;
1360 // TODO: add,sub,and, 3-instr forms?
1364 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>;
1366 // zextload i1 -> zextload i8
1367 def : ARMPat<(zextloadi1 addrmode2:$addr), (LDRB addrmode2:$addr)>;
1369 // extload -> zextload
1370 def : ARMPat<(extloadi1 addrmode2:$addr), (LDRB addrmode2:$addr)>;
1371 def : ARMPat<(extloadi8 addrmode2:$addr), (LDRB addrmode2:$addr)>;
1372 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
1374 // truncstore i1 -> truncstore i8
1375 def : ARMPat<(truncstorei1 GPR:$src, addrmode2:$dst),
1376 (STRB GPR:$src, addrmode2:$dst)>;
1377 def : ARMPat<(pre_truncsti1 GPR:$src, GPR:$base, am2offset:$offset),
1378 (STRB_PRE GPR:$src, GPR:$base, am2offset:$offset)>;
1379 def : ARMPat<(post_truncsti1 GPR:$src, GPR:$base, am2offset:$offset),
1380 (STRB_POST GPR:$src, GPR:$base, am2offset:$offset)>;
1383 def : ARMV5TEPat<(mul (sra (shl GPR:$a, 16), 16), (sra (shl GPR:$b, 16), 16)),
1384 (SMULBB GPR:$a, GPR:$b)>;
1385 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
1386 (SMULBB GPR:$a, GPR:$b)>;
1387 def : ARMV5TEPat<(mul (sra (shl GPR:$a, 16), 16), (sra GPR:$b, 16)),
1388 (SMULBT GPR:$a, GPR:$b)>;
1389 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, 16)),
1390 (SMULBT GPR:$a, GPR:$b)>;
1391 def : ARMV5TEPat<(mul (sra GPR:$a, 16), (sra (shl GPR:$b, 16), 16)),
1392 (SMULTB GPR:$a, GPR:$b)>;
1393 def : ARMV5TEPat<(mul (sra GPR:$a, 16), sext_16_node:$b),
1394 (SMULTB GPR:$a, GPR:$b)>;
1395 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, 16), 16)), 16),
1396 (SMULWB GPR:$a, GPR:$b)>;
1397 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), 16),
1398 (SMULWB GPR:$a, GPR:$b)>;
1400 def : ARMV5TEPat<(add GPR:$acc,
1401 (mul (sra (shl GPR:$a, 16), 16),
1402 (sra (shl GPR:$b, 16), 16))),
1403 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
1404 def : ARMV5TEPat<(add GPR:$acc,
1405 (mul sext_16_node:$a, sext_16_node:$b)),
1406 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
1407 def : ARMV5TEPat<(add GPR:$acc,
1408 (mul (sra (shl GPR:$a, 16), 16), (sra GPR:$b, 16))),
1409 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
1410 def : ARMV5TEPat<(add GPR:$acc,
1411 (mul sext_16_node:$a, (sra GPR:$b, 16))),
1412 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
1413 def : ARMV5TEPat<(add GPR:$acc,
1414 (mul (sra GPR:$a, 16), (sra (shl GPR:$b, 16), 16))),
1415 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
1416 def : ARMV5TEPat<(add GPR:$acc,
1417 (mul (sra GPR:$a, 16), sext_16_node:$b)),
1418 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
1419 def : ARMV5TEPat<(add GPR:$acc,
1420 (sra (mul GPR:$a, (sra (shl GPR:$b, 16), 16)), 16)),
1421 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
1422 def : ARMV5TEPat<(add GPR:$acc,
1423 (sra (mul GPR:$a, sext_16_node:$b), 16)),
1424 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
1426 //===----------------------------------------------------------------------===//
1430 include "ARMInstrThumb.td"
1432 //===----------------------------------------------------------------------===//
1433 // Floating Point Support
1436 include "ARMInstrVFP.td"