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 TLI.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 branch / cmov condition code operand.
283 def ccop : Operand<i32> {
284 let PrintMethod = "printPredicateOperand";
287 // ARM Predicate operand. Default to 14 = always (AL).
288 def pred : PredicateOperand<i32, (ops i32imm), (ops (i32 14))> {
289 let PrintMethod = "printPredicateOperand";
292 //===----------------------------------------------------------------------===//
293 // ARM Instruction flags. These need to match ARMInstrInfo.h.
297 class AddrMode<bits<4> val> {
300 def AddrModeNone : AddrMode<0>;
301 def AddrMode1 : AddrMode<1>;
302 def AddrMode2 : AddrMode<2>;
303 def AddrMode3 : AddrMode<3>;
304 def AddrMode4 : AddrMode<4>;
305 def AddrMode5 : AddrMode<5>;
306 def AddrModeT1 : AddrMode<6>;
307 def AddrModeT2 : AddrMode<7>;
308 def AddrModeT4 : AddrMode<8>;
309 def AddrModeTs : AddrMode<9>;
312 class SizeFlagVal<bits<3> val> {
315 def SizeInvalid : SizeFlagVal<0>; // Unset.
316 def SizeSpecial : SizeFlagVal<1>; // Pseudo or special.
317 def Size8Bytes : SizeFlagVal<2>;
318 def Size4Bytes : SizeFlagVal<3>;
319 def Size2Bytes : SizeFlagVal<4>;
321 // Load / store index mode.
322 class IndexMode<bits<2> val> {
325 def IndexModeNone : IndexMode<0>;
326 def IndexModePre : IndexMode<1>;
327 def IndexModePost : IndexMode<2>;
329 //===----------------------------------------------------------------------===//
330 // ARM Instruction templates.
333 // ARMPat - Same as Pat<>, but requires that the compiler be in ARM mode.
334 class ARMPat<dag pattern, dag result> : Pat<pattern, result> {
335 list<Predicate> Predicates = [IsARM];
337 class ARMV5TEPat<dag pattern, dag result> : Pat<pattern, result> {
338 list<Predicate> Predicates = [IsARM, HasV5TE];
340 class ARMV6Pat<dag pattern, dag result> : Pat<pattern, result> {
341 list<Predicate> Predicates = [IsARM, HasV6];
344 class InstARM<bits<4> opcod, AddrMode am, SizeFlagVal sz, IndexMode im,
347 let Namespace = "ARM";
349 bits<4> Opcode = opcod;
351 bits<4> AddrModeBits = AM.Value;
354 bits<3> SizeFlag = SZ.Value;
357 bits<2> IndexModeBits = IM.Value;
359 let Constraints = cstr;
362 class PseudoInst<dag ops, string asm, list<dag> pattern>
363 : InstARM<0, AddrModeNone, SizeSpecial, IndexModeNone, ""> {
364 let OperandList = ops;
366 let Pattern = pattern;
369 // Almost all ARM instructions are predicable.
370 class I<dag oprnds, AddrMode am, SizeFlagVal sz, IndexMode im,
371 string opc, string asm, string cstr, list<dag> pattern>
372 // FIXME: Set all opcodes to 0 for now.
373 : InstARM<0, am, sz, im, cstr> {
374 let OperandList = !con(oprnds, (ops pred:$p));
375 let AsmString = !strconcat(opc, !strconcat("${p}", asm));
376 let Pattern = pattern;
377 list<Predicate> Predicates = [IsARM];
380 class AI<dag ops, string opc, string asm, list<dag> pattern>
381 : I<ops, AddrModeNone, Size4Bytes, IndexModeNone, opc, asm, "", pattern>;
382 class AI1<dag ops, string opc, string asm, list<dag> pattern>
383 : I<ops, AddrMode1, Size4Bytes, IndexModeNone, opc, asm, "", pattern>;
384 class AI2<dag ops, string opc, string asm, list<dag> pattern>
385 : I<ops, AddrMode2, Size4Bytes, IndexModeNone, opc, asm, "", pattern>;
386 class AI3<dag ops, string opc, string asm, list<dag> pattern>
387 : I<ops, AddrMode3, Size4Bytes, IndexModeNone, opc, asm, "", pattern>;
388 class AI4<dag ops, string opc, string asm, list<dag> pattern>
389 : I<ops, AddrMode4, Size4Bytes, IndexModeNone, opc, asm, "", pattern>;
390 class AI1x2<dag ops, string opc, string asm, list<dag> pattern>
391 : I<ops, AddrMode1, Size8Bytes, IndexModeNone, opc, asm, "", pattern>;
394 class AI2pr<dag ops, string opc, string asm, string cstr, list<dag> pattern>
395 : I<ops, AddrMode2, Size4Bytes, IndexModePre, opc, asm, cstr, pattern>;
396 class AI3pr<dag ops, string opc, string asm, string cstr, list<dag> pattern>
397 : I<ops, AddrMode3, Size4Bytes, IndexModePre, opc, asm, cstr, pattern>;
400 class AI2po<dag ops, string opc, string asm, string cstr, list<dag> pattern>
401 : I<ops, AddrMode2, Size4Bytes, IndexModePost, opc, asm, cstr, pattern>;
402 class AI3po<dag ops, string opc, string asm, string cstr, list<dag> pattern>
403 : I<ops, AddrMode3, Size4Bytes, IndexModePost, opc, asm, cstr, pattern>;
406 class BinOpFrag<dag res> : PatFrag<(ops node:$LHS, node:$RHS), res>;
407 class UnOpFrag <dag res> : PatFrag<(ops node:$Src), res>;
410 /// AI1_bin_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns for a
411 /// binop that produces a value.
412 multiclass AI1_bin_irs<string opc, string mod, PatFrag opnode> {
413 def ri : AI1<(ops GPR:$dst, GPR:$a, so_imm:$b),
414 opc, !strconcat(mod, " $dst, $a, $b"),
415 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]>;
416 def rr : AI1<(ops GPR:$dst, GPR:$a, GPR:$b),
417 opc, !strconcat(mod, " $dst, $a, $b"),
418 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]>;
419 def rs : AI1<(ops GPR:$dst, GPR:$a, so_reg:$b),
420 opc, !strconcat(mod, " $dst, $a, $b"),
421 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]>;
424 /// AI1_bin0_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns.
425 /// Similar to AI1_bin_irs except the instruction does not produce a result.
426 multiclass AI1_bin0_irs<string opc, PatFrag opnode> {
427 def ri : AI1<(ops GPR:$a, so_imm:$b),
429 [(opnode GPR:$a, so_imm:$b)]>;
430 def rr : AI1<(ops GPR:$a, GPR:$b),
432 [(opnode GPR:$a, GPR:$b)]>;
433 def rs : AI1<(ops GPR:$a, so_reg:$b),
435 [(opnode GPR:$a, so_reg:$b)]>;
438 /// AI1_bin_is - Defines a set of (op r, {so_imm|so_reg}) patterns for a binop.
439 multiclass AI1_bin_is<string opc, string mod, PatFrag opnode> {
440 def ri : AI1<(ops GPR:$dst, GPR:$a, so_imm:$b),
441 opc, !strconcat(mod, " $dst, $a, $b"),
442 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]>;
443 def rs : AI1<(ops GPR:$dst, GPR:$a, so_reg:$b),
444 opc, !strconcat(mod, " $dst, $a, $b"),
445 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]>;
448 /// AI1_unary_irs - Defines a set of (op {so_imm|r|so_reg}) patterns for unary
450 multiclass AI1_unary_irs<string opc, PatFrag opnode> {
451 def i : AI1<(ops GPR:$dst, so_imm:$a),
453 [(set GPR:$dst, (opnode so_imm:$a))]>;
454 def r : AI1<(ops GPR:$dst, GPR:$a),
456 [(set GPR:$dst, (opnode GPR:$a))]>;
457 def s : AI1<(ops GPR:$dst, so_reg:$a),
459 [(set GPR:$dst, (opnode so_reg:$a))]>;
462 /// AI_unary_rrot - A unary operation with two forms: one whose operand is a
463 /// register and one whose operand is a register rotated by 8/16/24.
464 multiclass AI_unary_rrot<string opc, PatFrag opnode> {
465 def r : AI<(ops GPR:$dst, GPR:$Src),
467 [(set GPR:$dst, (opnode GPR:$Src))]>, Requires<[IsARM, HasV6]>;
468 def r_rot : AI<(ops GPR:$dst, GPR:$Src, i32imm:$rot),
469 opc, " $dst, $Src, ror $rot",
470 [(set GPR:$dst, (opnode (rotr GPR:$Src, rot_imm:$rot)))]>,
471 Requires<[IsARM, HasV6]>;
474 /// AI_bin_rrot - A binary operation with two forms: one whose operand is a
475 /// register and one whose operand is a register rotated by 8/16/24.
476 multiclass AI_bin_rrot<string opc, PatFrag opnode> {
477 def rr : AI<(ops GPR:$dst, GPR:$LHS, GPR:$RHS),
478 opc, " $dst, $LHS, $RHS",
479 [(set GPR:$dst, (opnode GPR:$LHS, GPR:$RHS))]>,
480 Requires<[IsARM, HasV6]>;
481 def rr_rot : AI<(ops GPR:$dst, GPR:$LHS, GPR:$RHS, i32imm:$rot),
482 opc, " $dst, $LHS, $RHS, ror $rot",
483 [(set GPR:$dst, (opnode GPR:$LHS,
484 (rotr GPR:$RHS, rot_imm:$rot)))]>,
485 Requires<[IsARM, HasV6]>;
489 class XI<dag oprnds, AddrMode am, SizeFlagVal sz, IndexMode im,
490 string asm, string cstr, list<dag> pattern>
491 // FIXME: Set all opcodes to 0 for now.
492 : InstARM<0, am, sz, im, cstr> {
493 let OperandList = oprnds;
495 let Pattern = pattern;
496 list<Predicate> Predicates = [IsARM];
499 class AXI<dag ops, string asm, list<dag> pattern>
500 : XI<ops, AddrModeNone, Size4Bytes, IndexModeNone, asm, "", pattern>;
501 class AXI1<dag ops, string asm, list<dag> pattern>
502 : XI<ops, AddrMode1, Size4Bytes, IndexModeNone, asm, "", pattern>;
503 class AXI2<dag ops, string asm, list<dag> pattern>
504 : XI<ops, AddrMode2, Size4Bytes, IndexModeNone, asm, "", pattern>;
505 class AXI3<dag ops, string asm, list<dag> pattern>
506 : XI<ops, AddrMode3, Size4Bytes, IndexModeNone, asm, "", pattern>;
507 class AXI4<dag ops, string asm, list<dag> pattern>
508 : XI<ops, AddrMode4, Size4Bytes, IndexModeNone, asm, "", pattern>;
510 class AXIx2<dag ops, string asm, list<dag> pattern>
511 : XI<ops, AddrModeNone, Size8Bytes, IndexModeNone, asm, "", pattern>;
513 // BR_JT instructions
514 class JTI<dag ops, string asm, list<dag> pattern>
515 : XI<ops, AddrModeNone, SizeSpecial, IndexModeNone, asm, "", pattern>;
516 class JTI1<dag ops, string asm, list<dag> pattern>
517 : XI<ops, AddrMode1, SizeSpecial, IndexModeNone, asm, "", pattern>;
518 class JTI2<dag ops, string asm, list<dag> pattern>
519 : XI<ops, AddrMode2, SizeSpecial, IndexModeNone, asm, "", pattern>;
521 //===----------------------------------------------------------------------===//
523 //===----------------------------------------------------------------------===//
525 //===----------------------------------------------------------------------===//
526 // Miscellaneous Instructions.
528 def IMPLICIT_DEF_GPR :
529 PseudoInst<(ops GPR:$rD, pred:$p),
530 "@ IMPLICIT_DEF_GPR $rD",
531 [(set GPR:$rD, (undef))]>;
534 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
535 /// the function. The first operand is the ID# for this instruction, the second
536 /// is the index into the MachineConstantPool that this is, the third is the
537 /// size in bytes of this constant pool entry.
538 let isNotDuplicable = 1 in
539 def CONSTPOOL_ENTRY :
540 PseudoInst<(ops cpinst_operand:$instid, cpinst_operand:$cpidx, i32imm:$size),
541 "${instid:label} ${cpidx:cpentry}", []>;
544 PseudoInst<(ops i32imm:$amt, pred:$p),
545 "@ ADJCALLSTACKUP $amt",
546 [(ARMcallseq_end imm:$amt)]>, Imp<[SP],[SP]>;
548 def ADJCALLSTACKDOWN :
549 PseudoInst<(ops i32imm:$amt, pred:$p),
550 "@ ADJCALLSTACKDOWN $amt",
551 [(ARMcallseq_start imm:$amt)]>, Imp<[SP],[SP]>;
554 PseudoInst<(ops i32imm:$line, i32imm:$col, i32imm:$file),
555 ".loc $file, $line, $col",
556 [(dwarf_loc (i32 imm:$line), (i32 imm:$col), (i32 imm:$file))]>;
558 let isNotDuplicable = 1 in {
559 def PICADD : AXI1<(ops GPR:$dst, GPR:$a, pclabel:$cp, pred:$p),
560 "$cp:\n\tadd$p $dst, pc, $a",
561 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
563 let isLoad = 1, AddedComplexity = 10 in {
564 def PICLD : AXI2<(ops GPR:$dst, addrmodepc:$addr, pred:$p),
565 "${addr:label}:\n\tldr$p $dst, $addr",
566 [(set GPR:$dst, (load addrmodepc:$addr))]>;
568 def PICLDZH : AXI3<(ops GPR:$dst, addrmodepc:$addr, pred:$p),
569 "${addr:label}:\n\tldr${p}h $dst, $addr",
570 [(set GPR:$dst, (zextloadi16 addrmodepc:$addr))]>;
572 def PICLDZB : AXI2<(ops GPR:$dst, addrmodepc:$addr, pred:$p),
573 "${addr:label}:\n\tldr${p}b $dst, $addr",
574 [(set GPR:$dst, (zextloadi8 addrmodepc:$addr))]>;
576 def PICLDH : AXI3<(ops GPR:$dst, addrmodepc:$addr, pred:$p),
577 "${addr:label}:\n\tldr${p}h $dst, $addr",
578 [(set GPR:$dst, (extloadi16 addrmodepc:$addr))]>;
580 def PICLDB : AXI2<(ops GPR:$dst, addrmodepc:$addr, pred:$p),
581 "${addr:label}:\n\tldr${p}b $dst, $addr",
582 [(set GPR:$dst, (extloadi8 addrmodepc:$addr))]>;
584 def PICLDSH : AXI3<(ops GPR:$dst, addrmodepc:$addr, pred:$p),
585 "${addr:label}:\n\tldr${p}sh $dst, $addr",
586 [(set GPR:$dst, (sextloadi16 addrmodepc:$addr))]>;
588 def PICLDSB : AXI3<(ops GPR:$dst, addrmodepc:$addr, pred:$p),
589 "${addr:label}:\n\tldr${p}sb $dst, $addr",
590 [(set GPR:$dst, (sextloadi8 addrmodepc:$addr))]>;
592 let isStore = 1, AddedComplexity = 10 in {
593 def PICSTR : AXI2<(ops GPR:$src, addrmodepc:$addr, pred:$p),
594 "${addr:label}:\n\tstr$p $src, $addr",
595 [(store GPR:$src, addrmodepc:$addr)]>;
597 def PICSTRH : AXI3<(ops GPR:$src, addrmodepc:$addr, pred:$p),
598 "${addr:label}:\n\tstr${p}h $src, $addr",
599 [(truncstorei16 GPR:$src, addrmodepc:$addr)]>;
601 def PICSTRB : AXI2<(ops GPR:$src, addrmodepc:$addr, pred:$p),
602 "${addr:label}:\n\tstr${p}b $src, $addr",
603 [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
607 //===----------------------------------------------------------------------===//
608 // Control Flow Instructions.
611 let isReturn = 1, isTerminator = 1 in
612 def BX_RET : AI<(ops), "bx", " lr", [(ARMretflag)]>;
614 // FIXME: remove when we have a way to marking a MI with these properties.
615 let isLoad = 1, isReturn = 1, isTerminator = 1 in
616 def LDM_RET : AXI4<(ops addrmode4:$addr, pred:$p, reglist:$dst1, variable_ops),
617 "ldm${p}${addr:submode} $addr, $dst1",
620 let isCall = 1, noResults = 1, clobbersPred = 1,
621 Defs = [R0, R1, R2, R3, R12, LR,
622 D0, D1, D2, D3, D4, D5, D6, D7] in {
623 def BL : AXI<(ops i32imm:$func, variable_ops),
625 [(ARMcall tglobaladdr:$func)]>;
627 def BL_pred : AI<(ops i32imm:$func, variable_ops),
628 "bl", " ${func:call}",
629 [(ARMcall_pred tglobaladdr:$func)]>;
632 def BLX : AXI<(ops GPR:$dst, variable_ops),
634 [(ARMcall GPR:$dst)]>, Requires<[IsARM, HasV5T]>;
637 def BX : AXIx2<(ops GPR:$dst, variable_ops),
638 "mov lr, pc\n\tbx $dst",
639 [(ARMcall_nolink GPR:$dst)]>;
643 let isBranch = 1, isTerminator = 1, noResults = 1 in {
644 // B is "predicable" since it can be xformed into a Bcc.
645 let isBarrier = 1 in {
646 let isPredicable = 1 in
647 def B : AXI<(ops brtarget:$dst), "b $dst",
650 let isNotDuplicable = 1 in {
651 def BR_JTr : JTI<(ops GPR:$dst, jtblock_operand:$jt, i32imm:$id),
652 "mov pc, $dst \n$jt",
653 [(ARMbrjt GPR:$dst, tjumptable:$jt, imm:$id)]>;
654 def BR_JTm : JTI2<(ops addrmode2:$dst, jtblock_operand:$jt, i32imm:$id),
655 "ldr pc, $dst \n$jt",
656 [(ARMbrjt (i32 (load addrmode2:$dst)), tjumptable:$jt,
658 def BR_JTadd : JTI1<(ops GPR:$dst, GPR:$idx, jtblock_operand:$jt, i32imm:$id),
659 "add pc, $dst, $idx \n$jt",
660 [(ARMbrjt (add GPR:$dst, GPR:$idx), tjumptable:$jt,
665 def Bcc : AXI<(ops brtarget:$dst, ccop:$cc), "b$cc $dst",
666 [(ARMbrcond bb:$dst, imm:$cc)]>;
669 //===----------------------------------------------------------------------===//
670 // Load / store Instructions.
675 def LDR : AI2<(ops GPR:$dst, addrmode2:$addr),
676 "ldr", " $dst, $addr",
677 [(set GPR:$dst, (load addrmode2:$addr))]>;
679 // Special LDR for loads from non-pc-relative constpools.
680 def LDRcp : AI2<(ops GPR:$dst, addrmode2:$addr),
681 "ldr", " $dst, $addr", []>;
683 // Loads with zero extension
684 def LDRH : AI3<(ops GPR:$dst, addrmode3:$addr),
685 "ldr", "h $dst, $addr",
686 [(set GPR:$dst, (zextloadi16 addrmode3:$addr))]>;
688 def LDRB : AI2<(ops GPR:$dst, addrmode2:$addr),
689 "ldr", "b $dst, $addr",
690 [(set GPR:$dst, (zextloadi8 addrmode2:$addr))]>;
692 // Loads with sign extension
693 def LDRSH : AI3<(ops GPR:$dst, addrmode3:$addr),
694 "ldr", "sh $dst, $addr",
695 [(set GPR:$dst, (sextloadi16 addrmode3:$addr))]>;
697 def LDRSB : AI3<(ops GPR:$dst, addrmode3:$addr),
698 "ldr", "sb $dst, $addr",
699 [(set GPR:$dst, (sextloadi8 addrmode3:$addr))]>;
702 def LDRD : AI3<(ops GPR:$dst, addrmode3:$addr),
703 "ldr", "d $dst, $addr",
704 []>, Requires<[IsARM, HasV5T]>;
707 def LDR_PRE : AI2pr<(ops GPR:$dst, GPR:$base_wb, addrmode2:$addr),
708 "ldr", " $dst, $addr!", "$addr.base = $base_wb", []>;
710 def LDR_POST : AI2po<(ops GPR:$dst, GPR:$base_wb, GPR:$base, am2offset:$offset),
711 "ldr", " $dst, [$base], $offset", "$base = $base_wb", []>;
713 def LDRH_PRE : AI3pr<(ops GPR:$dst, GPR:$base_wb, addrmode3:$addr),
714 "ldr", "h $dst, $addr!", "$addr.base = $base_wb", []>;
716 def LDRH_POST : AI3po<(ops GPR:$dst, GPR:$base_wb, GPR:$base,am3offset:$offset),
717 "ldr", "h $dst, [$base], $offset", "$base = $base_wb", []>;
719 def LDRB_PRE : AI2pr<(ops GPR:$dst, GPR:$base_wb, addrmode2:$addr),
720 "ldr", "b $dst, $addr!", "$addr.base = $base_wb", []>;
722 def LDRB_POST : AI2po<(ops GPR:$dst, GPR:$base_wb, GPR:$base,am2offset:$offset),
723 "ldr", "b $dst, [$base], $offset", "$base = $base_wb", []>;
725 def LDRSH_PRE : AI3pr<(ops GPR:$dst, GPR:$base_wb, addrmode3:$addr),
726 "ldr", "sh $dst, $addr!", "$addr.base = $base_wb", []>;
728 def LDRSH_POST: AI3po<(ops GPR:$dst, GPR:$base_wb, GPR:$base,am3offset:$offset),
729 "ldr", "sh $dst, [$base], $offset", "$base = $base_wb", []>;
731 def LDRSB_PRE : AI3pr<(ops GPR:$dst, GPR:$base_wb, addrmode3:$addr),
732 "ldr", "sb $dst, $addr!", "$addr.base = $base_wb", []>;
734 def LDRSB_POST: AI3po<(ops GPR:$dst, GPR:$base_wb, GPR:$base,am3offset:$offset),
735 "ldr", "sb $dst, [$base], $offset", "$base = $base_wb", []>;
740 def STR : AI2<(ops GPR:$src, addrmode2:$addr),
741 "str", " $src, $addr",
742 [(store GPR:$src, addrmode2:$addr)]>;
744 // Stores with truncate
745 def STRH : AI3<(ops GPR:$src, addrmode3:$addr),
746 "str", "h $src, $addr",
747 [(truncstorei16 GPR:$src, addrmode3:$addr)]>;
749 def STRB : AI2<(ops GPR:$src, addrmode2:$addr),
750 "str", "b $src, $addr",
751 [(truncstorei8 GPR:$src, addrmode2:$addr)]>;
754 def STRD : AI3<(ops GPR:$src, addrmode3:$addr),
755 "str", "d $src, $addr",
756 []>, Requires<[IsARM, HasV5T]>;
759 def STR_PRE : AI2pr<(ops GPR:$base_wb, GPR:$src, GPR:$base, am2offset:$offset),
760 "str", " $src, [$base, $offset]!", "$base = $base_wb",
762 (pre_store GPR:$src, GPR:$base, am2offset:$offset))]>;
764 def STR_POST : AI2po<(ops GPR:$base_wb, GPR:$src, GPR:$base,am2offset:$offset),
765 "str", " $src, [$base], $offset", "$base = $base_wb",
767 (post_store GPR:$src, GPR:$base, am2offset:$offset))]>;
769 def STRH_PRE : AI3pr<(ops GPR:$base_wb, GPR:$src, GPR:$base,am3offset:$offset),
770 "str", "h $src, [$base, $offset]!", "$base = $base_wb",
772 (pre_truncsti16 GPR:$src, GPR:$base,am3offset:$offset))]>;
774 def STRH_POST: AI3po<(ops GPR:$base_wb, GPR:$src, GPR:$base,am3offset:$offset),
775 "str", "h $src, [$base], $offset", "$base = $base_wb",
776 [(set GPR:$base_wb, (post_truncsti16 GPR:$src,
777 GPR:$base, am3offset:$offset))]>;
779 def STRB_PRE : AI2pr<(ops GPR:$base_wb, GPR:$src, GPR:$base,am2offset:$offset),
780 "str", "b $src, [$base, $offset]!", "$base = $base_wb",
781 [(set GPR:$base_wb, (pre_truncsti8 GPR:$src,
782 GPR:$base, am2offset:$offset))]>;
784 def STRB_POST: AI2po<(ops GPR:$base_wb, GPR:$src, GPR:$base,am2offset:$offset),
785 "str", "b $src, [$base], $offset", "$base = $base_wb",
786 [(set GPR:$base_wb, (post_truncsti8 GPR:$src,
787 GPR:$base, am2offset:$offset))]>;
790 //===----------------------------------------------------------------------===//
791 // Load / store multiple Instructions.
795 def LDM : AXI4<(ops addrmode4:$addr, pred:$p, reglist:$dst1, variable_ops),
796 "ldm${p}${addr:submode} $addr, $dst1",
800 def STM : AXI4<(ops addrmode4:$addr, pred:$p, reglist:$src1, variable_ops),
801 "stm${p}${addr:submode} $addr, $src1",
804 //===----------------------------------------------------------------------===//
805 // Move Instructions.
808 def MOVr : AI1<(ops GPR:$dst, GPR:$src),
809 "mov", " $dst, $src", []>;
810 def MOVs : AI1<(ops GPR:$dst, so_reg:$src),
811 "mov", " $dst, $src", [(set GPR:$dst, so_reg:$src)]>;
813 def MOVi : AI1<(ops GPR:$dst, so_imm:$src),
814 "mov", " $dst, $src", [(set GPR:$dst, so_imm:$src)]>;
816 // These aren't really mov instructions, but we have to define them this way
817 // due to flag operands.
819 let clobbersPred = 1 in {
820 def MOVsrl_flag : AI1<(ops GPR:$dst, GPR:$src),
821 "mov", "s $dst, $src, lsr #1",
822 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>;
823 def MOVsra_flag : AI1<(ops GPR:$dst, GPR:$src),
824 "mov", "s $dst, $src, asr #1",
825 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>;
827 def MOVrx : AI1<(ops GPR:$dst, GPR:$src),
828 "mov", " $dst, $src, rrx",
829 [(set GPR:$dst, (ARMrrx GPR:$src))]>;
831 //===----------------------------------------------------------------------===//
832 // Extend Instructions.
837 defm SXTB : AI_unary_rrot<"sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
838 defm SXTH : AI_unary_rrot<"sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
840 defm SXTAB : AI_bin_rrot<"sxtab",
841 BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
842 defm SXTAH : AI_bin_rrot<"sxtah",
843 BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
845 // TODO: SXT(A){B|H}16
849 let AddedComplexity = 16 in {
850 defm UXTB : AI_unary_rrot<"uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
851 defm UXTH : AI_unary_rrot<"uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
852 defm UXTB16 : AI_unary_rrot<"uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
854 def : ARMV6Pat<(and (shl GPR:$Src, 8), 0xFF00FF),
855 (UXTB16r_rot GPR:$Src, 24)>;
856 def : ARMV6Pat<(and (srl GPR:$Src, 8), 0xFF00FF),
857 (UXTB16r_rot GPR:$Src, 8)>;
859 defm UXTAB : AI_bin_rrot<"uxtab",
860 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
861 defm UXTAH : AI_bin_rrot<"uxtah",
862 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
865 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
866 //defm UXTAB16 : xxx<"uxtab16", 0xff00ff>;
868 // TODO: UXT(A){B|H}16
870 //===----------------------------------------------------------------------===//
871 // Arithmetic Instructions.
874 defm ADD : AI1_bin_irs<"add", "" , BinOpFrag<(add node:$LHS, node:$RHS)>>;
875 defm ADC : AI1_bin_irs<"adc", "" , BinOpFrag<(adde node:$LHS, node:$RHS)>>;
876 defm SUB : AI1_bin_irs<"sub", "" , BinOpFrag<(sub node:$LHS, node:$RHS)>>;
877 defm SBC : AI1_bin_irs<"sbc", "" , BinOpFrag<(sube node:$LHS, node:$RHS)>>;
879 let clobbersPred = 1 in {
880 defm ADDS : AI1_bin_irs<"add", "s", BinOpFrag<(addc node:$LHS, node:$RHS)>>;
881 defm SUBS : AI1_bin_irs<"sub", "s", BinOpFrag<(subc node:$LHS, node:$RHS)>>;
884 // These don't define reg/reg forms, because they are handled above.
885 defm RSB : AI1_bin_is <"rsb", "" , BinOpFrag<(sub node:$RHS, node:$LHS)>>;
886 defm RSC : AI1_bin_is <"rsc", "" , BinOpFrag<(sube node:$RHS, node:$LHS)>>;
888 let clobbersPred = 1 in
889 defm RSBS : AI1_bin_is <"rsb", "s", BinOpFrag<(subc node:$RHS, node:$LHS)>>;
891 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
892 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
893 (SUBri GPR:$src, so_imm_neg:$imm)>;
895 //def : ARMPat<(addc GPR:$src, so_imm_neg:$imm),
896 // (SUBSri GPR:$src, so_imm_neg:$imm)>;
897 //def : ARMPat<(adde GPR:$src, so_imm_neg:$imm),
898 // (SBCri GPR:$src, so_imm_neg:$imm)>;
900 // Note: These are implemented in C++ code, because they have to generate
901 // ADD/SUBrs instructions, which use a complex pattern that a xform function
903 // (mul X, 2^n+1) -> (add (X << n), X)
904 // (mul X, 2^n-1) -> (rsb X, (X << n))
907 //===----------------------------------------------------------------------===//
908 // Bitwise Instructions.
911 defm AND : AI1_bin_irs<"and", "", BinOpFrag<(and node:$LHS, node:$RHS)>>;
912 defm ORR : AI1_bin_irs<"orr", "", BinOpFrag<(or node:$LHS, node:$RHS)>>;
913 defm EOR : AI1_bin_irs<"eor", "", BinOpFrag<(xor node:$LHS, node:$RHS)>>;
914 defm BIC : AI1_bin_irs<"bic", "", BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
916 def MVNr : AI<(ops GPR:$dst, GPR:$src),
917 "mvn", " $dst, $src", [(set GPR:$dst, (not GPR:$src))]>;
918 def MVNs : AI<(ops GPR:$dst, so_reg:$src),
919 "mvn", " $dst, $src", [(set GPR:$dst, (not so_reg:$src))]>;
920 def MVNi : AI<(ops GPR:$dst, so_imm:$imm),
921 "mvn", " $dst, $imm", [(set GPR:$dst, so_imm_not:$imm)]>;
923 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
924 (BICri GPR:$src, so_imm_not:$imm)>;
926 //===----------------------------------------------------------------------===//
927 // Multiply Instructions.
930 // AI_orr - Defines a (op r, r) pattern.
931 class AI_orr<string opc, SDNode opnode>
932 : AI<(ops GPR:$dst, GPR:$a, GPR:$b),
933 opc, " $dst, $a, $b",
934 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]>;
936 // AI_oorr - Defines a (op (op r, r), r) pattern.
937 class AI_oorr<string opc, SDNode opnode1, SDNode opnode2>
938 : AI<(ops GPR:$dst, GPR:$a, GPR:$b, GPR:$c),
939 opc, " $dst, $a, $b, $c",
940 [(set GPR:$dst, (opnode1 (opnode2 GPR:$a, GPR:$b), GPR:$c))]>;
942 def MUL : AI_orr<"mul", mul>;
943 def MLA : AI_oorr<"mla", add, mul>;
945 // Extra precision multiplies with low / high results
946 def SMULL : AI<(ops GPR:$ldst, GPR:$hdst, GPR:$a, GPR:$b),
947 "smull", " $ldst, $hdst, $a, $b",
950 def UMULL : AI<(ops GPR:$ldst, GPR:$hdst, GPR:$a, GPR:$b),
951 "umull", " $ldst, $hdst, $a, $b",
954 // Multiply + accumulate
955 def SMLAL : AI<(ops GPR:$ldst, GPR:$hdst, GPR:$a, GPR:$b),
956 "smlal", " $ldst, $hdst, $a, $b",
959 def UMLAL : AI<(ops GPR:$ldst, GPR:$hdst, GPR:$a, GPR:$b),
960 "umlal", " $ldst, $hdst, $a, $b",
963 def UMAAL : AI<(ops GPR:$ldst, GPR:$hdst, GPR:$a, GPR:$b),
964 "umaal", " $ldst, $hdst, $a, $b",
965 []>, Requires<[IsARM, HasV6]>;
967 // Most significant word multiply
968 def SMMUL : AI_orr<"smmul", mulhs>, Requires<[IsARM, HasV6]>;
969 def SMMLA : AI_oorr<"smmla", add, mulhs>, Requires<[IsARM, HasV6]>;
972 def SMMLS : AI<(ops GPR:$dst, GPR:$a, GPR:$b, GPR:$c),
973 "smmls", " $dst, $a, $b, $c",
974 [(set GPR:$dst, (sub GPR:$c, (mulhs GPR:$a, GPR:$b)))]>,
975 Requires<[IsARM, HasV6]>;
977 multiclass AI_smul<string opc, PatFrag opnode> {
978 def BB : AI<(ops GPR:$dst, GPR:$a, GPR:$b),
979 !strconcat(opc, "bb"), " $dst, $a, $b",
980 [(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16),
981 (sext_inreg GPR:$b, i16)))]>,
982 Requires<[IsARM, HasV5TE]>;
983 def BT : AI<(ops GPR:$dst, GPR:$a, GPR:$b),
984 !strconcat(opc, "bt"), " $dst, $a, $b",
985 [(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16),
986 (sra GPR:$b, 16)))]>,
987 Requires<[IsARM, HasV5TE]>;
988 def TB : AI<(ops GPR:$dst, GPR:$a, GPR:$b),
989 !strconcat(opc, "tb"), " $dst, $a, $b",
990 [(set GPR:$dst, (opnode (sra GPR:$a, 16),
991 (sext_inreg GPR:$b, i16)))]>,
992 Requires<[IsARM, HasV5TE]>;
993 def TT : AI<(ops GPR:$dst, GPR:$a, GPR:$b),
994 !strconcat(opc, "tt"), " $dst, $a, $b",
995 [(set GPR:$dst, (opnode (sra GPR:$a, 16),
996 (sra GPR:$b, 16)))]>,
997 Requires<[IsARM, HasV5TE]>;
998 def WB : AI<(ops GPR:$dst, GPR:$a, GPR:$b),
999 !strconcat(opc, "wb"), " $dst, $a, $b",
1000 [(set GPR:$dst, (sra (opnode GPR:$a,
1001 (sext_inreg GPR:$b, i16)), 16))]>,
1002 Requires<[IsARM, HasV5TE]>;
1003 def WT : AI<(ops GPR:$dst, GPR:$a, GPR:$b),
1004 !strconcat(opc, "wt"), " $dst, $a, $b",
1005 [(set GPR:$dst, (sra (opnode GPR:$a,
1006 (sra GPR:$b, 16)), 16))]>,
1007 Requires<[IsARM, HasV5TE]>;
1010 multiclass AI_smla<string opc, PatFrag opnode> {
1011 def BB : AI<(ops GPR:$dst, GPR:$a, GPR:$b, GPR:$acc),
1012 !strconcat(opc, "bb"), " $dst, $a, $b, $acc",
1013 [(set GPR:$dst, (add GPR:$acc,
1014 (opnode (sext_inreg GPR:$a, i16),
1015 (sext_inreg GPR:$b, i16))))]>,
1016 Requires<[IsARM, HasV5TE]>;
1017 def BT : AI<(ops GPR:$dst, GPR:$a, GPR:$b, GPR:$acc),
1018 !strconcat(opc, "bt"), " $dst, $a, $b, $acc",
1019 [(set GPR:$dst, (add GPR:$acc, (opnode (sext_inreg GPR:$a, i16),
1020 (sra GPR:$b, 16))))]>,
1021 Requires<[IsARM, HasV5TE]>;
1022 def TB : AI<(ops GPR:$dst, GPR:$a, GPR:$b, GPR:$acc),
1023 !strconcat(opc, "tb"), " $dst, $a, $b, $acc",
1024 [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, 16),
1025 (sext_inreg GPR:$b, i16))))]>,
1026 Requires<[IsARM, HasV5TE]>;
1027 def TT : AI<(ops GPR:$dst, GPR:$a, GPR:$b, GPR:$acc),
1028 !strconcat(opc, "tt"), " $dst, $a, $b, $acc",
1029 [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, 16),
1030 (sra GPR:$b, 16))))]>,
1031 Requires<[IsARM, HasV5TE]>;
1033 def WB : AI<(ops GPR:$dst, GPR:$a, GPR:$b, GPR:$acc),
1034 !strconcat(opc, "wb"), " $dst, $a, $b, $acc",
1035 [(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a,
1036 (sext_inreg GPR:$b, i16)), 16)))]>,
1037 Requires<[IsARM, HasV5TE]>;
1038 def WT : AI<(ops GPR:$dst, GPR:$a, GPR:$b, GPR:$acc),
1039 !strconcat(opc, "wt"), " $dst, $a, $b, $acc",
1040 [(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a,
1041 (sra GPR:$b, 16)), 16)))]>,
1042 Requires<[IsARM, HasV5TE]>;
1045 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
1046 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
1048 // TODO: Halfword multiple accumulate long: SMLAL<x><y>
1049 // TODO: Dual halfword multiple: SMUAD, SMUSD, SMLAD, SMLSD, SMLALD, SMLSLD
1051 //===----------------------------------------------------------------------===//
1052 // Misc. Arithmetic Instructions.
1055 def CLZ : AI<(ops GPR:$dst, GPR:$src),
1056 "clz", " $dst, $src",
1057 [(set GPR:$dst, (ctlz GPR:$src))]>, Requires<[IsARM, HasV5T]>;
1059 def REV : AI<(ops GPR:$dst, GPR:$src),
1060 "rev", " $dst, $src",
1061 [(set GPR:$dst, (bswap GPR:$src))]>, Requires<[IsARM, HasV6]>;
1063 def REV16 : AI<(ops GPR:$dst, GPR:$src),
1064 "rev16", " $dst, $src",
1066 (or (and (srl GPR:$src, 8), 0xFF),
1067 (or (and (shl GPR:$src, 8), 0xFF00),
1068 (or (and (srl GPR:$src, 8), 0xFF0000),
1069 (and (shl GPR:$src, 8), 0xFF000000)))))]>,
1070 Requires<[IsARM, HasV6]>;
1072 def REVSH : AI<(ops GPR:$dst, GPR:$src),
1073 "revsh", " $dst, $src",
1076 (or (srl (and GPR:$src, 0xFF00), 8),
1077 (shl GPR:$src, 8)), i16))]>,
1078 Requires<[IsARM, HasV6]>;
1080 def PKHBT : AI<(ops GPR:$dst, GPR:$src1, GPR:$src2, i32imm:$shamt),
1081 "pkhbt", " $dst, $src1, $src2, LSL $shamt",
1082 [(set GPR:$dst, (or (and GPR:$src1, 0xFFFF),
1083 (and (shl GPR:$src2, (i32 imm:$shamt)),
1085 Requires<[IsARM, HasV6]>;
1087 // Alternate cases for PKHBT where identities eliminate some nodes.
1088 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF), (and GPR:$src2, 0xFFFF0000)),
1089 (PKHBT GPR:$src1, GPR:$src2, 0)>;
1090 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF), (shl GPR:$src2, imm16_31:$shamt)),
1091 (PKHBT GPR:$src1, GPR:$src2, imm16_31:$shamt)>;
1094 def PKHTB : AI<(ops GPR:$dst, GPR:$src1, GPR:$src2, i32imm:$shamt),
1095 "pkhtb", " $dst, $src1, $src2, ASR $shamt",
1096 [(set GPR:$dst, (or (and GPR:$src1, 0xFFFF0000),
1097 (and (sra GPR:$src2, imm16_31:$shamt),
1098 0xFFFF)))]>, Requires<[IsARM, HasV6]>;
1100 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
1101 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
1102 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000), (srl GPR:$src2, 16)),
1103 (PKHTB GPR:$src1, GPR:$src2, 16)>;
1104 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000),
1105 (and (srl GPR:$src2, imm1_15:$shamt), 0xFFFF)),
1106 (PKHTB GPR:$src1, GPR:$src2, imm1_15:$shamt)>;
1109 //===----------------------------------------------------------------------===//
1110 // Comparison Instructions...
1113 let clobbersPred = 1 in {
1114 defm CMP : AI1_bin0_irs<"cmp", BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
1115 defm CMN : AI1_bin0_irs<"cmn", BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
1117 // Note that TST/TEQ don't set all the same flags that CMP does!
1118 defm TST : AI1_bin0_irs<"tst", BinOpFrag<(ARMcmpNZ (and node:$LHS, node:$RHS), 0)>>;
1119 defm TEQ : AI1_bin0_irs<"teq", BinOpFrag<(ARMcmpNZ (xor node:$LHS, node:$RHS), 0)>>;
1121 defm CMPnz : AI1_bin0_irs<"cmp", BinOpFrag<(ARMcmpNZ node:$LHS, node:$RHS)>>;
1122 defm CMNnz : AI1_bin0_irs<"cmn", BinOpFrag<(ARMcmpNZ node:$LHS,(ineg node:$RHS))>>;
1125 def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
1126 (CMNri GPR:$src, so_imm_neg:$imm)>;
1128 def : ARMPat<(ARMcmpNZ GPR:$src, so_imm_neg:$imm),
1129 (CMNri GPR:$src, so_imm_neg:$imm)>;
1132 // Conditional moves
1133 def MOVCCr : AXI<(ops GPR:$dst, GPR:$false, GPR:$true, ccop:$cc),
1134 "mov$cc $dst, $true",
1135 [(set GPR:$dst, (ARMcmov GPR:$false, GPR:$true, imm:$cc))]>,
1136 RegConstraint<"$false = $dst">;
1138 def MOVCCs : AXI<(ops GPR:$dst, GPR:$false, so_reg:$true, ccop:$cc),
1139 "mov$cc $dst, $true",
1140 [(set GPR:$dst, (ARMcmov GPR:$false, so_reg:$true,imm:$cc))]>,
1141 RegConstraint<"$false = $dst">;
1143 def MOVCCi : AXI<(ops GPR:$dst, GPR:$false, so_imm:$true, ccop:$cc),
1144 "mov$cc $dst, $true",
1145 [(set GPR:$dst, (ARMcmov GPR:$false, so_imm:$true,imm:$cc))]>,
1146 RegConstraint<"$false = $dst">;
1149 // LEApcrel - Load a pc-relative address into a register without offending the
1151 def LEApcrel : AXI1<(ops GPR:$dst, i32imm:$label, pred:$p),
1152 !strconcat(!strconcat(".set PCRELV${:uid}, ($label-(",
1153 "${:private}PCRELL${:uid}+8))\n"),
1154 !strconcat("${:private}PCRELL${:uid}:\n\t",
1155 "add$p $dst, pc, #PCRELV${:uid}")),
1158 def LEApcrelJT : AXI1<(ops GPR:$dst, i32imm:$label, i32imm:$id, pred:$p),
1159 !strconcat(!strconcat(".set PCRELV${:uid}, (${label}_${id:no_hash}-(",
1160 "${:private}PCRELL${:uid}+8))\n"),
1161 !strconcat("${:private}PCRELL${:uid}:\n\t",
1162 "add$p $dst, pc, #PCRELV${:uid}")),
1165 //===----------------------------------------------------------------------===//
1169 // __aeabi_read_tp preserves the registers r1-r3.
1170 let isCall = 1, clobbersPred = 1,
1171 Defs = [R0, R12, LR] in {
1172 def TPsoft : AXI<(ops),
1173 "bl __aeabi_read_tp",
1174 [(set R0, ARMthread_pointer)]>;
1177 //===----------------------------------------------------------------------===//
1178 // Non-Instruction Patterns
1181 // ConstantPool, GlobalAddress, and JumpTable
1182 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>;
1183 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
1184 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
1185 (LEApcrelJT tjumptable:$dst, imm:$id)>;
1187 // Large immediate handling.
1189 // Two piece so_imms.
1190 def MOVi2pieces : AI1x2<(ops GPR:$dst, so_imm2part:$src),
1191 "mov", " $dst, $src",
1192 [(set GPR:$dst, so_imm2part:$src)]>;
1194 def : ARMPat<(or GPR:$LHS, so_imm2part:$RHS),
1195 (ORRri (ORRri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
1196 (so_imm2part_2 imm:$RHS))>;
1197 def : ARMPat<(xor GPR:$LHS, so_imm2part:$RHS),
1198 (EORri (EORri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
1199 (so_imm2part_2 imm:$RHS))>;
1201 // TODO: add,sub,and, 3-instr forms?
1205 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>;
1207 // zextload i1 -> zextload i8
1208 def : ARMPat<(zextloadi1 addrmode2:$addr), (LDRB addrmode2:$addr)>;
1210 // extload -> zextload
1211 def : ARMPat<(extloadi1 addrmode2:$addr), (LDRB addrmode2:$addr)>;
1212 def : ARMPat<(extloadi8 addrmode2:$addr), (LDRB addrmode2:$addr)>;
1213 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
1215 // truncstore i1 -> truncstore i8
1216 def : ARMPat<(truncstorei1 GPR:$src, addrmode2:$dst),
1217 (STRB GPR:$src, addrmode2:$dst)>;
1218 def : ARMPat<(pre_truncsti1 GPR:$src, GPR:$base, am2offset:$offset),
1219 (STRB_PRE GPR:$src, GPR:$base, am2offset:$offset)>;
1220 def : ARMPat<(post_truncsti1 GPR:$src, GPR:$base, am2offset:$offset),
1221 (STRB_POST GPR:$src, GPR:$base, am2offset:$offset)>;
1224 def : ARMV5TEPat<(mul (sra (shl GPR:$a, 16), 16), (sra (shl GPR:$b, 16), 16)),
1225 (SMULBB GPR:$a, GPR:$b)>;
1226 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
1227 (SMULBB GPR:$a, GPR:$b)>;
1228 def : ARMV5TEPat<(mul (sra (shl GPR:$a, 16), 16), (sra GPR:$b, 16)),
1229 (SMULBT GPR:$a, GPR:$b)>;
1230 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, 16)),
1231 (SMULBT GPR:$a, GPR:$b)>;
1232 def : ARMV5TEPat<(mul (sra GPR:$a, 16), (sra (shl GPR:$b, 16), 16)),
1233 (SMULTB GPR:$a, GPR:$b)>;
1234 def : ARMV5TEPat<(mul (sra GPR:$a, 16), sext_16_node:$b),
1235 (SMULTB GPR:$a, GPR:$b)>;
1236 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, 16), 16)), 16),
1237 (SMULWB GPR:$a, GPR:$b)>;
1238 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), 16),
1239 (SMULWB GPR:$a, GPR:$b)>;
1241 def : ARMV5TEPat<(add GPR:$acc,
1242 (mul (sra (shl GPR:$a, 16), 16),
1243 (sra (shl GPR:$b, 16), 16))),
1244 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
1245 def : ARMV5TEPat<(add GPR:$acc,
1246 (mul sext_16_node:$a, sext_16_node:$b)),
1247 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
1248 def : ARMV5TEPat<(add GPR:$acc,
1249 (mul (sra (shl GPR:$a, 16), 16), (sra GPR:$b, 16))),
1250 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
1251 def : ARMV5TEPat<(add GPR:$acc,
1252 (mul sext_16_node:$a, (sra GPR:$b, 16))),
1253 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
1254 def : ARMV5TEPat<(add GPR:$acc,
1255 (mul (sra GPR:$a, 16), (sra (shl GPR:$b, 16), 16))),
1256 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
1257 def : ARMV5TEPat<(add GPR:$acc,
1258 (mul (sra GPR:$a, 16), sext_16_node:$b)),
1259 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
1260 def : ARMV5TEPat<(add GPR:$acc,
1261 (sra (mul GPR:$a, (sra (shl GPR:$b, 16), 16)), 16)),
1262 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
1263 def : ARMV5TEPat<(add GPR:$acc,
1264 (sra (mul GPR:$a, sext_16_node:$b), 16)),
1265 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
1267 //===----------------------------------------------------------------------===//
1271 include "ARMInstrThumb.td"
1273 //===----------------------------------------------------------------------===//
1274 // Floating Point Support
1277 include "ARMInstrVFP.td"