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_nolink : SDNode<"ARMISD::CALL_NOLINK", SDT_ARMcall,
56 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
58 def ARMretflag : SDNode<"ARMISD::RET_FLAG", SDTRet,
59 [SDNPHasChain, SDNPOptInFlag]>;
61 def ARMcmov : SDNode<"ARMISD::CMOV", SDT_ARMCMov,
63 def ARMcneg : SDNode<"ARMISD::CNEG", SDT_ARMCMov,
66 def ARMbrcond : SDNode<"ARMISD::BRCOND", SDT_ARMBrcond,
67 [SDNPHasChain, SDNPInFlag, SDNPOutFlag]>;
69 def ARMbrjt : SDNode<"ARMISD::BR_JT", SDT_ARMBrJT,
72 def ARMcmp : SDNode<"ARMISD::CMP", SDT_ARMCmp,
75 def ARMcmpNZ : SDNode<"ARMISD::CMPNZ", SDT_ARMCmp,
78 def ARMpic_add : SDNode<"ARMISD::PIC_ADD", SDT_ARMPICAdd>;
80 def ARMsrl_flag : SDNode<"ARMISD::SRL_FLAG", SDTIntUnaryOp, [SDNPOutFlag]>;
81 def ARMsra_flag : SDNode<"ARMISD::SRA_FLAG", SDTIntUnaryOp, [SDNPOutFlag]>;
82 def ARMrrx : SDNode<"ARMISD::RRX" , SDTIntUnaryOp, [SDNPInFlag ]>;
84 def ARMthread_pointer: SDNode<"ARMISD::THREAD_POINTER", SDT_ARMThreadPointer>;
86 //===----------------------------------------------------------------------===//
87 // ARM Instruction Predicate Definitions.
89 def HasV5T : Predicate<"Subtarget->hasV5TOps()">;
90 def HasV5TE : Predicate<"Subtarget->hasV5TEOps()">;
91 def HasV6 : Predicate<"Subtarget->hasV6Ops()">;
92 def IsThumb : Predicate<"Subtarget->isThumb()">;
93 def IsARM : Predicate<"!Subtarget->isThumb()">;
95 //===----------------------------------------------------------------------===//
96 // ARM Flag Definitions.
98 class RegConstraint<string C> {
99 string Constraints = C;
102 //===----------------------------------------------------------------------===//
103 // ARM specific transformation functions and pattern fragments.
106 // so_imm_XFORM - Return a so_imm value packed into the format described for
108 def so_imm_XFORM : SDNodeXForm<imm, [{
109 return CurDAG->getTargetConstant(ARM_AM::getSOImmVal(N->getValue()),
113 // so_imm_neg_XFORM - Return a so_imm value packed into the format described for
114 // so_imm_neg def below.
115 def so_imm_neg_XFORM : SDNodeXForm<imm, [{
116 return CurDAG->getTargetConstant(ARM_AM::getSOImmVal(-(int)N->getValue()),
120 // so_imm_not_XFORM - Return a so_imm value packed into the format described for
121 // so_imm_not def below.
122 def so_imm_not_XFORM : SDNodeXForm<imm, [{
123 return CurDAG->getTargetConstant(ARM_AM::getSOImmVal(~(int)N->getValue()),
127 // rot_imm predicate - True if the 32-bit immediate is equal to 8, 16, or 24.
128 def rot_imm : PatLeaf<(i32 imm), [{
129 int32_t v = (int32_t)N->getValue();
130 return v == 8 || v == 16 || v == 24;
133 /// imm1_15 predicate - True if the 32-bit immediate is in the range [1,15].
134 def imm1_15 : PatLeaf<(i32 imm), [{
135 return (int32_t)N->getValue() >= 1 && (int32_t)N->getValue() < 16;
138 /// imm16_31 predicate - True if the 32-bit immediate is in the range [16,31].
139 def imm16_31 : PatLeaf<(i32 imm), [{
140 return (int32_t)N->getValue() >= 16 && (int32_t)N->getValue() < 32;
144 PatLeaf<(imm), [{ return ARM_AM::getSOImmVal(-(int)N->getValue()) != -1; }],
148 PatLeaf<(imm), [{ return ARM_AM::getSOImmVal(~(int)N->getValue()) != -1; }],
151 // sext_16_node predicate - True if the SDNode is sign-extended 16 or more bits.
152 def sext_16_node : PatLeaf<(i32 GPR:$a), [{
153 return TLI.ComputeNumSignBits(SDOperand(N,0)) >= 17;
158 //===----------------------------------------------------------------------===//
159 // Operand Definitions.
163 def brtarget : Operand<OtherVT>;
165 // A list of registers separated by comma. Used by load/store multiple.
166 def reglist : Operand<i32> {
167 let PrintMethod = "printRegisterList";
170 // An operand for the CONSTPOOL_ENTRY pseudo-instruction.
171 def cpinst_operand : Operand<i32> {
172 let PrintMethod = "printCPInstOperand";
175 def jtblock_operand : Operand<i32> {
176 let PrintMethod = "printJTBlockOperand";
180 def pclabel : Operand<i32> {
181 let PrintMethod = "printPCLabel";
184 // shifter_operand operands: so_reg and so_imm.
185 def so_reg : Operand<i32>, // reg reg imm
186 ComplexPattern<i32, 3, "SelectShifterOperandReg",
187 [shl,srl,sra,rotr]> {
188 let PrintMethod = "printSORegOperand";
189 let MIOperandInfo = (ops GPR, GPR, i32imm);
192 // so_imm - Match a 32-bit shifter_operand immediate operand, which is an
193 // 8-bit immediate rotated by an arbitrary number of bits. so_imm values are
194 // represented in the imm field in the same 12-bit form that they are encoded
195 // into so_imm instructions: the 8-bit immediate is the least significant bits
196 // [bits 0-7], the 4-bit shift amount is the next 4 bits [bits 8-11].
197 def so_imm : Operand<i32>,
199 [{ return ARM_AM::getSOImmVal(N->getValue()) != -1; }],
201 let PrintMethod = "printSOImmOperand";
204 // Break so_imm's up into two pieces. This handles immediates with up to 16
205 // bits set in them. This uses so_imm2part to match and so_imm2part_[12] to
206 // get the first/second pieces.
207 def so_imm2part : Operand<i32>,
209 [{ return ARM_AM::isSOImmTwoPartVal((unsigned)N->getValue()); }]> {
210 let PrintMethod = "printSOImm2PartOperand";
213 def so_imm2part_1 : SDNodeXForm<imm, [{
214 unsigned V = ARM_AM::getSOImmTwoPartFirst((unsigned)N->getValue());
215 return CurDAG->getTargetConstant(ARM_AM::getSOImmVal(V), MVT::i32);
218 def so_imm2part_2 : SDNodeXForm<imm, [{
219 unsigned V = ARM_AM::getSOImmTwoPartSecond((unsigned)N->getValue());
220 return CurDAG->getTargetConstant(ARM_AM::getSOImmVal(V), MVT::i32);
224 // Define ARM specific addressing modes.
226 // addrmode2 := reg +/- reg shop imm
227 // addrmode2 := reg +/- imm12
229 def addrmode2 : Operand<i32>,
230 ComplexPattern<i32, 3, "SelectAddrMode2", []> {
231 let PrintMethod = "printAddrMode2Operand";
232 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
235 def am2offset : Operand<i32>,
236 ComplexPattern<i32, 2, "SelectAddrMode2Offset", []> {
237 let PrintMethod = "printAddrMode2OffsetOperand";
238 let MIOperandInfo = (ops GPR, i32imm);
241 // addrmode3 := reg +/- reg
242 // addrmode3 := reg +/- imm8
244 def addrmode3 : Operand<i32>,
245 ComplexPattern<i32, 3, "SelectAddrMode3", []> {
246 let PrintMethod = "printAddrMode3Operand";
247 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
250 def am3offset : Operand<i32>,
251 ComplexPattern<i32, 2, "SelectAddrMode3Offset", []> {
252 let PrintMethod = "printAddrMode3OffsetOperand";
253 let MIOperandInfo = (ops GPR, i32imm);
256 // addrmode4 := reg, <mode|W>
258 def addrmode4 : Operand<i32>,
259 ComplexPattern<i32, 2, "", []> {
260 let PrintMethod = "printAddrMode4Operand";
261 let MIOperandInfo = (ops GPR, i32imm);
264 // addrmode5 := reg +/- imm8*4
266 def addrmode5 : Operand<i32>,
267 ComplexPattern<i32, 2, "SelectAddrMode5", []> {
268 let PrintMethod = "printAddrMode5Operand";
269 let MIOperandInfo = (ops GPR, i32imm);
272 // addrmodepc := pc + reg
274 def addrmodepc : Operand<i32>,
275 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
276 let PrintMethod = "printAddrModePCOperand";
277 let MIOperandInfo = (ops GPR, i32imm);
280 // ARM branch / cmov condition code operand.
281 def ccop : Operand<i32> {
282 let PrintMethod = "printPredicateOperand";
285 // ARM Predicate operand. Default to 14 = always (AL).
286 def pred : PredicateOperand<i32, (ops i32imm), (ops (i32 14))> {
287 let PrintMethod = "printPredicateOperand";
290 //===----------------------------------------------------------------------===//
291 // ARM Instruction flags. These need to match ARMInstrInfo.h.
295 class AddrMode<bits<4> val> {
298 def AddrModeNone : AddrMode<0>;
299 def AddrMode1 : AddrMode<1>;
300 def AddrMode2 : AddrMode<2>;
301 def AddrMode3 : AddrMode<3>;
302 def AddrMode4 : AddrMode<4>;
303 def AddrMode5 : AddrMode<5>;
304 def AddrModeT1 : AddrMode<6>;
305 def AddrModeT2 : AddrMode<7>;
306 def AddrModeT4 : AddrMode<8>;
307 def AddrModeTs : AddrMode<9>;
310 class SizeFlagVal<bits<3> val> {
313 def SizeInvalid : SizeFlagVal<0>; // Unset.
314 def SizeSpecial : SizeFlagVal<1>; // Pseudo or special.
315 def Size8Bytes : SizeFlagVal<2>;
316 def Size4Bytes : SizeFlagVal<3>;
317 def Size2Bytes : SizeFlagVal<4>;
319 // Load / store index mode.
320 class IndexMode<bits<2> val> {
323 def IndexModeNone : IndexMode<0>;
324 def IndexModePre : IndexMode<1>;
325 def IndexModePost : IndexMode<2>;
327 //===----------------------------------------------------------------------===//
328 // ARM Instruction templates.
331 // ARMPat - Same as Pat<>, but requires that the compiler be in ARM mode.
332 class ARMPat<dag pattern, dag result> : Pat<pattern, result> {
333 list<Predicate> Predicates = [IsARM];
335 class ARMV5TEPat<dag pattern, dag result> : Pat<pattern, result> {
336 list<Predicate> Predicates = [IsARM, HasV5TE];
338 class ARMV6Pat<dag pattern, dag result> : Pat<pattern, result> {
339 list<Predicate> Predicates = [IsARM, HasV6];
342 class InstARM<bits<4> opcod, AddrMode am, SizeFlagVal sz, IndexMode im,
345 let Namespace = "ARM";
347 bits<4> Opcode = opcod;
349 bits<4> AddrModeBits = AM.Value;
352 bits<3> SizeFlag = SZ.Value;
355 bits<2> IndexModeBits = IM.Value;
357 let Constraints = cstr;
360 class PseudoInst<dag ops, string asm, list<dag> pattern>
361 : InstARM<0, AddrModeNone, SizeSpecial, IndexModeNone, ""> {
362 let OperandList = ops;
364 let Pattern = pattern;
367 // Almost all ARM instructions are predicable.
368 class I<dag oprnds, AddrMode am, SizeFlagVal sz, IndexMode im,
369 string opc, string asm, string cstr, list<dag> pattern>
370 // FIXME: Set all opcodes to 0 for now.
371 : InstARM<0, am, sz, im, cstr> {
372 let OperandList = !con(oprnds, (ops pred:$p));
373 let AsmString = !strconcat(opc, !strconcat("${p}", asm));
374 let Pattern = pattern;
375 list<Predicate> Predicates = [IsARM];
378 class AI<dag ops, string opc, string asm, list<dag> pattern>
379 : I<ops, AddrModeNone, Size4Bytes, IndexModeNone, opc, asm, "", pattern>;
380 class AI1<dag ops, string opc, string asm, list<dag> pattern>
381 : I<ops, AddrMode1, Size4Bytes, IndexModeNone, opc, asm, "", pattern>;
382 class AI2<dag ops, string opc, string asm, list<dag> pattern>
383 : I<ops, AddrMode2, Size4Bytes, IndexModeNone, opc, asm, "", pattern>;
384 class AI3<dag ops, string opc, string asm, list<dag> pattern>
385 : I<ops, AddrMode3, Size4Bytes, IndexModeNone, opc, asm, "", pattern>;
386 class AI4<dag ops, string opc, string asm, list<dag> pattern>
387 : I<ops, AddrMode4, Size4Bytes, IndexModeNone, opc, asm, "", pattern>;
388 class AI1x2<dag ops, string opc, string asm, list<dag> pattern>
389 : I<ops, AddrMode1, Size8Bytes, IndexModeNone, opc, asm, "", pattern>;
392 class AI2pr<dag ops, string opc, string asm, string cstr, list<dag> pattern>
393 : I<ops, AddrMode2, Size4Bytes, IndexModePre, opc, asm, cstr, pattern>;
394 class AI3pr<dag ops, string opc, string asm, string cstr, list<dag> pattern>
395 : I<ops, AddrMode3, Size4Bytes, IndexModePre, opc, asm, cstr, pattern>;
398 class AI2po<dag ops, string opc, string asm, string cstr, list<dag> pattern>
399 : I<ops, AddrMode2, Size4Bytes, IndexModePost, opc, asm, cstr, pattern>;
400 class AI3po<dag ops, string opc, string asm, string cstr, list<dag> pattern>
401 : I<ops, AddrMode3, Size4Bytes, IndexModePost, opc, asm, cstr, pattern>;
403 // BR_JT instructions
404 class JTI<dag ops, string opc, string asm, list<dag> pattern>
405 : I<ops, AddrModeNone, SizeSpecial, IndexModeNone, opc, asm, "", pattern>;
406 class JTI1<dag ops, string opc, string asm, list<dag> pattern>
407 : I<ops, AddrMode1, SizeSpecial, IndexModeNone, opc, asm, "", pattern>;
408 class JTI2<dag ops, string opc, string asm, list<dag> pattern>
409 : I<ops, AddrMode2, SizeSpecial, IndexModeNone, opc, asm, "", pattern>;
412 class BinOpFrag<dag res> : PatFrag<(ops node:$LHS, node:$RHS), res>;
413 class UnOpFrag <dag res> : PatFrag<(ops node:$Src), res>;
416 /// AI1_bin_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns for a
417 /// binop that produces a value.
418 multiclass AI1_bin_irs<string opc, PatFrag opnode> {
419 def ri : AI1<(ops GPR:$dst, GPR:$a, so_imm:$b),
420 opc, " $dst, $a, $b",
421 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]>;
422 def rr : AI1<(ops GPR:$dst, GPR:$a, GPR:$b),
423 opc, " $dst, $a, $b",
424 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]>;
425 def rs : AI1<(ops GPR:$dst, GPR:$a, so_reg:$b),
426 opc, " $dst, $a, $b",
427 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]>;
430 /// AI1_bin0_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns.
431 /// Similar to AI1_bin_irs except the instruction does not produce a result.
432 multiclass AI1_bin0_irs<string opc, PatFrag opnode> {
433 def ri : AI1<(ops GPR:$a, so_imm:$b),
435 [(opnode GPR:$a, so_imm:$b)]>;
436 def rr : AI1<(ops GPR:$a, GPR:$b),
438 [(opnode GPR:$a, GPR:$b)]>;
439 def rs : AI1<(ops GPR:$a, so_reg:$b),
441 [(opnode GPR:$a, so_reg:$b)]>;
444 /// AI1_bin_is - Defines a set of (op r, {so_imm|so_reg}) patterns for a binop.
445 multiclass AI1_bin_is<string opc, PatFrag opnode> {
446 def ri : AI1<(ops GPR:$dst, GPR:$a, so_imm:$b),
447 opc, " $dst, $a, $b",
448 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]>;
449 def rs : AI1<(ops GPR:$dst, GPR:$a, so_reg:$b),
450 opc, " $dst, $a, $b",
451 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]>;
454 /// AI1_unary_irs - Defines a set of (op {so_imm|r|so_reg}) patterns for unary
456 multiclass AI1_unary_irs<string opc, PatFrag opnode> {
457 def i : AI1<(ops GPR:$dst, so_imm:$a),
459 [(set GPR:$dst, (opnode so_imm:$a))]>;
460 def r : AI1<(ops GPR:$dst, GPR:$a),
462 [(set GPR:$dst, (opnode GPR:$a))]>;
463 def s : AI1<(ops GPR:$dst, so_reg:$a),
465 [(set GPR:$dst, (opnode so_reg:$a))]>;
468 /// AI_unary_rrot - A unary operation with two forms: one whose operand is a
469 /// register and one whose operand is a register rotated by 8/16/24.
470 multiclass AI_unary_rrot<string opc, PatFrag opnode> {
471 def r : AI<(ops GPR:$dst, GPR:$Src),
473 [(set GPR:$dst, (opnode GPR:$Src))]>, Requires<[IsARM, HasV6]>;
474 def r_rot : AI<(ops GPR:$dst, GPR:$Src, i32imm:$rot),
475 opc, " $dst, $Src, ror $rot",
476 [(set GPR:$dst, (opnode (rotr GPR:$Src, rot_imm:$rot)))]>,
477 Requires<[IsARM, HasV6]>;
480 /// AI_bin_rrot - A binary operation with two forms: one whose operand is a
481 /// register and one whose operand is a register rotated by 8/16/24.
482 multiclass AI_bin_rrot<string opc, PatFrag opnode> {
483 def rr : AI<(ops GPR:$dst, GPR:$LHS, GPR:$RHS),
484 opc, " $dst, $LHS, $RHS",
485 [(set GPR:$dst, (opnode GPR:$LHS, GPR:$RHS))]>,
486 Requires<[IsARM, HasV6]>;
487 def rr_rot : AI<(ops GPR:$dst, GPR:$LHS, GPR:$RHS, i32imm:$rot),
488 opc, " $dst, $LHS, $RHS, ror $rot",
489 [(set GPR:$dst, (opnode GPR:$LHS,
490 (rotr GPR:$RHS, rot_imm:$rot)))]>,
491 Requires<[IsARM, HasV6]>;
495 class XI<dag oprnds, AddrMode am, SizeFlagVal sz, IndexMode im,
496 string asm, string cstr, list<dag> pattern>
497 // FIXME: Set all opcodes to 0 for now.
498 : InstARM<0, am, sz, im, cstr> {
499 let OperandList = oprnds;
501 let Pattern = pattern;
502 list<Predicate> Predicates = [IsARM];
505 class AXI<dag ops, string asm, list<dag> pattern>
506 : XI<ops, AddrModeNone, Size4Bytes, IndexModeNone, asm, "", pattern>;
507 class AXI1<dag ops, string asm, list<dag> pattern>
508 : XI<ops, AddrMode1, Size4Bytes, IndexModeNone, asm, "", pattern>;
509 class AXI2<dag ops, string asm, list<dag> pattern>
510 : XI<ops, AddrMode2, Size4Bytes, IndexModeNone, asm, "", pattern>;
511 class AXI3<dag ops, string asm, list<dag> pattern>
512 : XI<ops, AddrMode3, Size4Bytes, IndexModeNone, asm, "", pattern>;
513 class AXI4<dag ops, string asm, list<dag> pattern>
514 : XI<ops, AddrMode4, Size4Bytes, IndexModeNone, asm, "", pattern>;
516 class AXIx2<dag ops, string asm, list<dag> pattern>
517 : XI<ops, AddrModeNone, Size8Bytes, IndexModeNone, asm, "", pattern>;
520 //===----------------------------------------------------------------------===//
522 //===----------------------------------------------------------------------===//
524 //===----------------------------------------------------------------------===//
525 // Miscellaneous Instructions.
527 def IMPLICIT_DEF_GPR :
528 PseudoInst<(ops GPR:$rD, pred:$p),
529 "@ IMPLICIT_DEF_GPR $rD",
530 [(set GPR:$rD, (undef))]>;
533 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
534 /// the function. The first operand is the ID# for this instruction, the second
535 /// is the index into the MachineConstantPool that this is, the third is the
536 /// size in bytes of this constant pool entry.
537 def CONSTPOOL_ENTRY :
538 PseudoInst<(ops cpinst_operand:$instid, cpinst_operand:$cpidx, i32imm:$size),
539 "${instid:label} ${cpidx:cpentry}", []>;
542 PseudoInst<(ops i32imm:$amt, pred:$p),
543 "@ ADJCALLSTACKUP $amt",
544 [(ARMcallseq_end imm:$amt)]>, Imp<[SP],[SP]>;
546 def ADJCALLSTACKDOWN :
547 PseudoInst<(ops i32imm:$amt, pred:$p),
548 "@ ADJCALLSTACKDOWN $amt",
549 [(ARMcallseq_start imm:$amt)]>, Imp<[SP],[SP]>;
552 PseudoInst<(ops i32imm:$line, i32imm:$col, i32imm:$file),
553 ".loc $file, $line, $col",
554 [(dwarf_loc (i32 imm:$line), (i32 imm:$col), (i32 imm:$file))]>;
556 def PICADD : AXI1<(ops GPR:$dst, GPR:$a, pclabel:$cp, pred:$p),
557 "$cp:\n\tadd$p $dst, pc, $a",
558 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
560 let isLoad = 1, AddedComplexity = 10 in {
561 def PICLD : AXI2<(ops GPR:$dst, addrmodepc:$addr, pred:$p),
562 "${addr:label}:\n\tldr$p $dst, $addr",
563 [(set GPR:$dst, (load addrmodepc:$addr))]>;
565 def PICLDZH : AXI3<(ops GPR:$dst, addrmodepc:$addr, pred:$p),
566 "${addr:label}:\n\tldr${p}h $dst, $addr",
567 [(set GPR:$dst, (zextloadi16 addrmodepc:$addr))]>;
569 def PICLDZB : AXI2<(ops GPR:$dst, addrmodepc:$addr, pred:$p),
570 "${addr:label}:\n\tldr${p}b $dst, $addr",
571 [(set GPR:$dst, (zextloadi8 addrmodepc:$addr))]>;
573 def PICLDH : AXI3<(ops GPR:$dst, addrmodepc:$addr, pred:$p),
574 "${addr:label}:\n\tldr${p}h $dst, $addr",
575 [(set GPR:$dst, (extloadi16 addrmodepc:$addr))]>;
577 def PICLDB : AXI2<(ops GPR:$dst, addrmodepc:$addr, pred:$p),
578 "${addr:label}:\n\tldr${p}b $dst, $addr",
579 [(set GPR:$dst, (extloadi8 addrmodepc:$addr))]>;
581 def PICLDSH : AXI3<(ops GPR:$dst, addrmodepc:$addr, pred:$p),
582 "${addr:label}:\n\tldr${p}sh $dst, $addr",
583 [(set GPR:$dst, (sextloadi16 addrmodepc:$addr))]>;
585 def PICLDSB : AXI3<(ops GPR:$dst, addrmodepc:$addr, pred:$p),
586 "${addr:label}:\n\tldr${p}sb $dst, $addr",
587 [(set GPR:$dst, (sextloadi8 addrmodepc:$addr))]>;
589 let isStore = 1, AddedComplexity = 10 in {
590 def PICSTR : AXI2<(ops GPR:$src, addrmodepc:$addr, pred:$p),
591 "${addr:label}:\n\tstr$p $src, $addr",
592 [(store GPR:$src, addrmodepc:$addr)]>;
594 def PICSTRH : AXI3<(ops GPR:$src, addrmodepc:$addr, pred:$p),
595 "${addr:label}:\n\tstr${p}h $src, $addr",
596 [(truncstorei16 GPR:$src, addrmodepc:$addr)]>;
598 def PICSTRB : AXI2<(ops GPR:$src, addrmodepc:$addr, pred:$p),
599 "${addr:label}:\n\tstr${p}b $src, $addr",
600 [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
603 //===----------------------------------------------------------------------===//
604 // Control Flow Instructions.
607 let isReturn = 1, isTerminator = 1 in
608 def BX_RET : AI<(ops), "bx", " lr", [(ARMretflag)]>;
610 // FIXME: remove when we have a way to marking a MI with these properties.
611 let isLoad = 1, isReturn = 1, isTerminator = 1 in
612 def LDM_RET : AXI4<(ops addrmode4:$addr, pred:$p, reglist:$dst1, variable_ops),
613 "ldm${p}${addr:submode} $addr, $dst1",
616 let isCall = 1, noResults = 1,
617 Defs = [R0, R1, R2, R3, R12, LR,
618 D0, D1, D2, D3, D4, D5, D6, D7] in {
619 def BL : AXI<(ops i32imm:$func, variable_ops),
621 [(ARMcall tglobaladdr:$func)]>;
623 def BLX : AXI<(ops GPR:$dst, variable_ops),
625 [(ARMcall GPR:$dst)]>, Requires<[IsARM, HasV5T]>;
628 def BX : AXIx2<(ops GPR:$dst, variable_ops),
629 "mov lr, pc\n\tbx $dst",
630 [(ARMcall_nolink GPR:$dst)]>;
634 let isBranch = 1, isTerminator = 1, noResults = 1 in {
635 // B is "predicable" since it can be xformed into a Bcc.
636 let isBarrier = 1 in {
637 let isPredicable = 1 in
638 def B : AXI<(ops brtarget:$dst), "b $dst",
641 def BR_JTr : JTI<(ops GPR:$dst, jtblock_operand:$jt, i32imm:$id),
642 "mov", " pc, $dst \n$jt",
643 [(ARMbrjt GPR:$dst, tjumptable:$jt, imm:$id)]>;
644 def BR_JTm : JTI2<(ops addrmode2:$dst, jtblock_operand:$jt, i32imm:$id),
645 "ldr", " pc, $dst \n$jt",
646 [(ARMbrjt (i32 (load addrmode2:$dst)), tjumptable:$jt,
648 def BR_JTadd : JTI1<(ops GPR:$dst, GPR:$idx, jtblock_operand:$jt, i32imm:$id),
649 "add", " pc, $dst, $idx \n$jt",
650 [(ARMbrjt (add GPR:$dst, GPR:$idx), tjumptable:$jt,
654 def Bcc : AXI<(ops brtarget:$dst, ccop:$cc), "b$cc $dst",
655 [(ARMbrcond bb:$dst, imm:$cc)]>;
658 //===----------------------------------------------------------------------===//
659 // Load / store Instructions.
664 def LDR : AI2<(ops GPR:$dst, addrmode2:$addr),
665 "ldr", " $dst, $addr",
666 [(set GPR:$dst, (load addrmode2:$addr))]>;
668 // Special LDR for loads from non-pc-relative constpools.
669 let isReMaterializable = 1 in
670 def LDRcp : AI2<(ops GPR:$dst, addrmode2:$addr),
671 "ldr", " $dst, $addr", []>;
673 // Loads with zero extension
674 def LDRH : AI3<(ops GPR:$dst, addrmode3:$addr),
675 "ldr", "h $dst, $addr",
676 [(set GPR:$dst, (zextloadi16 addrmode3:$addr))]>;
678 def LDRB : AI2<(ops GPR:$dst, addrmode2:$addr),
679 "ldr", "b $dst, $addr",
680 [(set GPR:$dst, (zextloadi8 addrmode2:$addr))]>;
682 // Loads with sign extension
683 def LDRSH : AI3<(ops GPR:$dst, addrmode3:$addr),
684 "ldr", "sh $dst, $addr",
685 [(set GPR:$dst, (sextloadi16 addrmode3:$addr))]>;
687 def LDRSB : AI3<(ops GPR:$dst, addrmode3:$addr),
688 "ldr", "sb $dst, $addr",
689 [(set GPR:$dst, (sextloadi8 addrmode3:$addr))]>;
692 def LDRD : AI3<(ops GPR:$dst, addrmode3:$addr),
693 "ldr", "d $dst, $addr",
694 []>, Requires<[IsARM, HasV5T]>;
697 def LDR_PRE : AI2pr<(ops GPR:$dst, GPR:$base_wb, addrmode2:$addr),
698 "ldr", " $dst, $addr!", "$addr.base = $base_wb", []>;
700 def LDR_POST : AI2po<(ops GPR:$dst, GPR:$base_wb, GPR:$base, am2offset:$offset),
701 "ldr", " $dst, [$base], $offset", "$base = $base_wb", []>;
703 def LDRH_PRE : AI3pr<(ops GPR:$dst, GPR:$base_wb, addrmode3:$addr),
704 "ldr", "h $dst, $addr!", "$addr.base = $base_wb", []>;
706 def LDRH_POST : AI3po<(ops GPR:$dst, GPR:$base_wb, GPR:$base,am3offset:$offset),
707 "ldr", "h $dst, [$base], $offset", "$base = $base_wb", []>;
709 def LDRB_PRE : AI2pr<(ops GPR:$dst, GPR:$base_wb, addrmode2:$addr),
710 "ldr", "b $dst, $addr!", "$addr.base = $base_wb", []>;
712 def LDRB_POST : AI2po<(ops GPR:$dst, GPR:$base_wb, GPR:$base,am2offset:$offset),
713 "ldr", "b $dst, [$base], $offset", "$base = $base_wb", []>;
715 def LDRSH_PRE : AI3pr<(ops GPR:$dst, GPR:$base_wb, addrmode3:$addr),
716 "ldr", "sh $dst, $addr!", "$addr.base = $base_wb", []>;
718 def LDRSH_POST: AI3po<(ops GPR:$dst, GPR:$base_wb, GPR:$base,am3offset:$offset),
719 "ldr", "sh $dst, [$base], $offset", "$base = $base_wb", []>;
721 def LDRSB_PRE : AI3pr<(ops GPR:$dst, GPR:$base_wb, addrmode3:$addr),
722 "ldr", "sb $dst, $addr!", "$addr.base = $base_wb", []>;
724 def LDRSB_POST: AI3po<(ops GPR:$dst, GPR:$base_wb, GPR:$base,am3offset:$offset),
725 "ldr", "sb $dst, [$base], $offset", "$base = $base_wb", []>;
730 def STR : AI2<(ops GPR:$src, addrmode2:$addr),
731 "str", " $src, $addr",
732 [(store GPR:$src, addrmode2:$addr)]>;
734 // Stores with truncate
735 def STRH : AI3<(ops GPR:$src, addrmode3:$addr),
736 "str", "h $src, $addr",
737 [(truncstorei16 GPR:$src, addrmode3:$addr)]>;
739 def STRB : AI2<(ops GPR:$src, addrmode2:$addr),
740 "str", "b $src, $addr",
741 [(truncstorei8 GPR:$src, addrmode2:$addr)]>;
744 def STRD : AI3<(ops GPR:$src, addrmode3:$addr),
745 "str", "d $src, $addr",
746 []>, Requires<[IsARM, HasV5T]>;
749 def STR_PRE : AI2pr<(ops GPR:$base_wb, GPR:$src, GPR:$base, am2offset:$offset),
750 "str", " $src, [$base, $offset]!", "$base = $base_wb",
752 (pre_store GPR:$src, GPR:$base, am2offset:$offset))]>;
754 def STR_POST : AI2po<(ops GPR:$base_wb, GPR:$src, GPR:$base,am2offset:$offset),
755 "str", " $src, [$base], $offset", "$base = $base_wb",
757 (post_store GPR:$src, GPR:$base, am2offset:$offset))]>;
759 def STRH_PRE : AI3pr<(ops GPR:$base_wb, GPR:$src, GPR:$base,am3offset:$offset),
760 "str", "h $src, [$base, $offset]!", "$base = $base_wb",
762 (pre_truncsti16 GPR:$src, GPR:$base,am3offset:$offset))]>;
764 def STRH_POST: AI3po<(ops GPR:$base_wb, GPR:$src, GPR:$base,am3offset:$offset),
765 "str", "h $src, [$base], $offset", "$base = $base_wb",
766 [(set GPR:$base_wb, (post_truncsti16 GPR:$src,
767 GPR:$base, am3offset:$offset))]>;
769 def STRB_PRE : AI2pr<(ops GPR:$base_wb, GPR:$src, GPR:$base,am2offset:$offset),
770 "str", "b $src, [$base, $offset]!", "$base = $base_wb",
771 [(set GPR:$base_wb, (pre_truncsti8 GPR:$src,
772 GPR:$base, am2offset:$offset))]>;
774 def STRB_POST: AI2po<(ops GPR:$base_wb, GPR:$src, GPR:$base,am2offset:$offset),
775 "str", "b $src, [$base], $offset", "$base = $base_wb",
776 [(set GPR:$base_wb, (post_truncsti8 GPR:$src,
777 GPR:$base, am2offset:$offset))]>;
780 //===----------------------------------------------------------------------===//
781 // Load / store multiple Instructions.
785 def LDM : AXI4<(ops addrmode4:$addr, pred:$p, reglist:$dst1, variable_ops),
786 "ldm${p}${addr:submode} $addr, $dst1",
790 def STM : AXI4<(ops addrmode4:$addr, pred:$p, reglist:$src1, variable_ops),
791 "stm${p}${addr:submode} $addr, $src1",
794 //===----------------------------------------------------------------------===//
795 // Move Instructions.
798 def MOVr : AI1<(ops GPR:$dst, GPR:$src),
799 "mov", " $dst, $src", []>;
800 def MOVs : AI1<(ops GPR:$dst, so_reg:$src),
801 "mov", " $dst, $src", [(set GPR:$dst, so_reg:$src)]>;
803 let isReMaterializable = 1 in
804 def MOVi : AI1<(ops GPR:$dst, so_imm:$src),
805 "mov", " $dst, $src", [(set GPR:$dst, so_imm:$src)]>;
807 // These aren't really mov instructions, but we have to define them this way
808 // due to flag operands.
810 def MOVsrl_flag : AI1<(ops GPR:$dst, GPR:$src),
811 "mov", "s $dst, $src, lsr #1",
812 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>;
813 def MOVsra_flag : AI1<(ops GPR:$dst, GPR:$src),
814 "mov", "s $dst, $src, asr #1",
815 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>;
816 def MOVrx : AI1<(ops GPR:$dst, GPR:$src),
817 "mov", " $dst, $src, rrx",
818 [(set GPR:$dst, (ARMrrx GPR:$src))]>;
820 //===----------------------------------------------------------------------===//
821 // Extend Instructions.
826 defm SXTB : AI_unary_rrot<"sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
827 defm SXTH : AI_unary_rrot<"sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
829 defm SXTAB : AI_bin_rrot<"sxtab",
830 BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
831 defm SXTAH : AI_bin_rrot<"sxtah",
832 BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
834 // TODO: SXT(A){B|H}16
838 let AddedComplexity = 16 in {
839 defm UXTB : AI_unary_rrot<"uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
840 defm UXTH : AI_unary_rrot<"uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
841 defm UXTB16 : AI_unary_rrot<"uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
843 def : ARMV6Pat<(and (shl GPR:$Src, 8), 0xFF00FF),
844 (UXTB16r_rot GPR:$Src, 24)>;
845 def : ARMV6Pat<(and (srl GPR:$Src, 8), 0xFF00FF),
846 (UXTB16r_rot GPR:$Src, 8)>;
848 defm UXTAB : AI_bin_rrot<"uxtab",
849 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
850 defm UXTAH : AI_bin_rrot<"uxtah",
851 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
854 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
855 //defm UXTAB16 : xxx<"uxtab16", 0xff00ff>;
857 // TODO: UXT(A){B|H}16
859 //===----------------------------------------------------------------------===//
860 // Arithmetic Instructions.
863 defm ADD : AI1_bin_irs<"add" , BinOpFrag<(add node:$LHS, node:$RHS)>>;
864 defm ADDS : AI1_bin_irs<"adds", BinOpFrag<(addc node:$LHS, node:$RHS)>>;
865 defm ADC : AI1_bin_irs<"adc" , BinOpFrag<(adde node:$LHS, node:$RHS)>>;
866 defm SUB : AI1_bin_irs<"sub" , BinOpFrag<(sub node:$LHS, node:$RHS)>>;
867 defm SUBS : AI1_bin_irs<"subs", BinOpFrag<(subc node:$LHS, node:$RHS)>>;
868 defm SBC : AI1_bin_irs<"sbc" , BinOpFrag<(sube node:$LHS, node:$RHS)>>;
870 // These don't define reg/reg forms, because they are handled above.
871 defm RSB : AI1_bin_is <"rsb" , BinOpFrag<(sub node:$RHS, node:$LHS)>>;
872 defm RSBS : AI1_bin_is <"rsbs", BinOpFrag<(subc node:$RHS, node:$LHS)>>;
873 defm RSC : AI1_bin_is <"rsc" , BinOpFrag<(sube node:$RHS, node:$LHS)>>;
875 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
876 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
877 (SUBri GPR:$src, so_imm_neg:$imm)>;
879 //def : ARMPat<(addc GPR:$src, so_imm_neg:$imm),
880 // (SUBSri GPR:$src, so_imm_neg:$imm)>;
881 //def : ARMPat<(adde GPR:$src, so_imm_neg:$imm),
882 // (SBCri GPR:$src, so_imm_neg:$imm)>;
884 // Note: These are implemented in C++ code, because they have to generate
885 // ADD/SUBrs instructions, which use a complex pattern that a xform function
887 // (mul X, 2^n+1) -> (add (X << n), X)
888 // (mul X, 2^n-1) -> (rsb X, (X << n))
891 //===----------------------------------------------------------------------===//
892 // Bitwise Instructions.
895 defm AND : AI1_bin_irs<"and", BinOpFrag<(and node:$LHS, node:$RHS)>>;
896 defm ORR : AI1_bin_irs<"orr", BinOpFrag<(or node:$LHS, node:$RHS)>>;
897 defm EOR : AI1_bin_irs<"eor", BinOpFrag<(xor node:$LHS, node:$RHS)>>;
898 defm BIC : AI1_bin_irs<"bic", BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
900 def MVNr : AI<(ops GPR:$dst, GPR:$src),
901 "mvn", " $dst, $src", [(set GPR:$dst, (not GPR:$src))]>;
902 def MVNs : AI<(ops GPR:$dst, so_reg:$src),
903 "mvn", " $dst, $src", [(set GPR:$dst, (not so_reg:$src))]>;
904 let isReMaterializable = 1 in
905 def MVNi : AI<(ops GPR:$dst, so_imm:$imm),
906 "mvn", " $dst, $imm", [(set GPR:$dst, so_imm_not:$imm)]>;
908 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
909 (BICri GPR:$src, so_imm_not:$imm)>;
911 //===----------------------------------------------------------------------===//
912 // Multiply Instructions.
915 // AI_orr - Defines a (op r, r) pattern.
916 class AI_orr<string opc, SDNode opnode>
917 : AI<(ops GPR:$dst, GPR:$a, GPR:$b),
918 opc, " $dst, $a, $b",
919 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]>;
921 // AI_oorr - Defines a (op (op r, r), r) pattern.
922 class AI_oorr<string opc, SDNode opnode1, SDNode opnode2>
923 : AI<(ops GPR:$dst, GPR:$a, GPR:$b, GPR:$c),
924 opc, " $dst, $a, $b, $c",
925 [(set GPR:$dst, (opnode1 (opnode2 GPR:$a, GPR:$b), GPR:$c))]>;
927 def MUL : AI_orr<"mul", mul>;
928 def MLA : AI_oorr<"mla", add, mul>;
930 // Extra precision multiplies with low / high results
931 def SMULL : AI<(ops GPR:$ldst, GPR:$hdst, GPR:$a, GPR:$b),
932 "smull", " $ldst, $hdst, $a, $b",
935 def UMULL : AI<(ops GPR:$ldst, GPR:$hdst, GPR:$a, GPR:$b),
936 "umull", " $ldst, $hdst, $a, $b",
939 // Multiply + accumulate
940 def SMLAL : AI<(ops GPR:$ldst, GPR:$hdst, GPR:$a, GPR:$b),
941 "smlal", " $ldst, $hdst, $a, $b",
944 def UMLAL : AI<(ops GPR:$ldst, GPR:$hdst, GPR:$a, GPR:$b),
945 "umlal", " $ldst, $hdst, $a, $b",
948 def UMAAL : AI<(ops GPR:$ldst, GPR:$hdst, GPR:$a, GPR:$b),
949 "umaal", " $ldst, $hdst, $a, $b",
950 []>, Requires<[IsARM, HasV6]>;
952 // Most significant word multiply
953 def SMMUL : AI_orr<"smmul", mulhs>, Requires<[IsARM, HasV6]>;
954 def SMMLA : AI_oorr<"smmla", add, mulhs>, Requires<[IsARM, HasV6]>;
957 def SMMLS : AI<(ops GPR:$dst, GPR:$a, GPR:$b, GPR:$c),
958 "smmls", " $dst, $a, $b, $c",
959 [(set GPR:$dst, (sub GPR:$c, (mulhs GPR:$a, GPR:$b)))]>,
960 Requires<[IsARM, HasV6]>;
962 multiclass AI_smul<string opc, PatFrag opnode> {
963 def BB : AI<(ops GPR:$dst, GPR:$a, GPR:$b),
964 !strconcat(opc, "bb"), " $dst, $a, $b",
965 [(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16),
966 (sext_inreg GPR:$b, i16)))]>,
967 Requires<[IsARM, HasV5TE]>;
968 def BT : AI<(ops GPR:$dst, GPR:$a, GPR:$b),
969 !strconcat(opc, "bt"), " $dst, $a, $b",
970 [(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16),
971 (sra GPR:$b, 16)))]>,
972 Requires<[IsARM, HasV5TE]>;
973 def TB : AI<(ops GPR:$dst, GPR:$a, GPR:$b),
974 !strconcat(opc, "tb"), " $dst, $a, $b",
975 [(set GPR:$dst, (opnode (sra GPR:$a, 16),
976 (sext_inreg GPR:$b, i16)))]>,
977 Requires<[IsARM, HasV5TE]>;
978 def TT : AI<(ops GPR:$dst, GPR:$a, GPR:$b),
979 !strconcat(opc, "tt"), " $dst, $a, $b",
980 [(set GPR:$dst, (opnode (sra GPR:$a, 16),
981 (sra GPR:$b, 16)))]>,
982 Requires<[IsARM, HasV5TE]>;
983 def WB : AI<(ops GPR:$dst, GPR:$a, GPR:$b),
984 !strconcat(opc, "wb"), " $dst, $a, $b",
985 [(set GPR:$dst, (sra (opnode GPR:$a,
986 (sext_inreg GPR:$b, i16)), 16))]>,
987 Requires<[IsARM, HasV5TE]>;
988 def WT : AI<(ops GPR:$dst, GPR:$a, GPR:$b),
989 !strconcat(opc, "wt"), " $dst, $a, $b",
990 [(set GPR:$dst, (sra (opnode GPR:$a,
991 (sra GPR:$b, 16)), 16))]>,
992 Requires<[IsARM, HasV5TE]>;
995 multiclass AI_smla<string opc, PatFrag opnode> {
996 def BB : AI<(ops GPR:$dst, GPR:$a, GPR:$b, GPR:$acc),
997 !strconcat(opc, "bb"), " $dst, $a, $b, $acc",
998 [(set GPR:$dst, (add GPR:$acc,
999 (opnode (sext_inreg GPR:$a, i16),
1000 (sext_inreg GPR:$b, i16))))]>,
1001 Requires<[IsARM, HasV5TE]>;
1002 def BT : AI<(ops GPR:$dst, GPR:$a, GPR:$b, GPR:$acc),
1003 !strconcat(opc, "bt"), " $dst, $a, $b, $acc",
1004 [(set GPR:$dst, (add GPR:$acc, (opnode (sext_inreg GPR:$a, i16),
1005 (sra GPR:$b, 16))))]>,
1006 Requires<[IsARM, HasV5TE]>;
1007 def TB : AI<(ops GPR:$dst, GPR:$a, GPR:$b, GPR:$acc),
1008 !strconcat(opc, "tb"), " $dst, $a, $b, $acc",
1009 [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, 16),
1010 (sext_inreg GPR:$b, i16))))]>,
1011 Requires<[IsARM, HasV5TE]>;
1012 def TT : AI<(ops GPR:$dst, GPR:$a, GPR:$b, GPR:$acc),
1013 !strconcat(opc, "tt"), " $dst, $a, $b, $acc",
1014 [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, 16),
1015 (sra GPR:$b, 16))))]>,
1016 Requires<[IsARM, HasV5TE]>;
1018 def WB : AI<(ops GPR:$dst, GPR:$a, GPR:$b, GPR:$acc),
1019 !strconcat(opc, "wb"), " $dst, $a, $b, $acc",
1020 [(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a,
1021 (sext_inreg GPR:$b, i16)), 16)))]>,
1022 Requires<[IsARM, HasV5TE]>;
1023 def WT : AI<(ops GPR:$dst, GPR:$a, GPR:$b, GPR:$acc),
1024 !strconcat(opc, "wt"), " $dst, $a, $b, $acc",
1025 [(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a,
1026 (sra GPR:$b, 16)), 16)))]>,
1027 Requires<[IsARM, HasV5TE]>;
1030 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
1031 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
1033 // TODO: Halfword multiple accumulate long: SMLAL<x><y>
1034 // TODO: Dual halfword multiple: SMUAD, SMUSD, SMLAD, SMLSD, SMLALD, SMLSLD
1036 //===----------------------------------------------------------------------===//
1037 // Misc. Arithmetic Instructions.
1040 def CLZ : AI<(ops GPR:$dst, GPR:$src),
1041 "clz", " $dst, $src",
1042 [(set GPR:$dst, (ctlz GPR:$src))]>, Requires<[IsARM, HasV5T]>;
1044 def REV : AI<(ops GPR:$dst, GPR:$src),
1045 "rev", " $dst, $src",
1046 [(set GPR:$dst, (bswap GPR:$src))]>, Requires<[IsARM, HasV6]>;
1048 def REV16 : AI<(ops GPR:$dst, GPR:$src),
1049 "rev16", " $dst, $src",
1051 (or (and (srl GPR:$src, 8), 0xFF),
1052 (or (and (shl GPR:$src, 8), 0xFF00),
1053 (or (and (srl GPR:$src, 8), 0xFF0000),
1054 (and (shl GPR:$src, 8), 0xFF000000)))))]>,
1055 Requires<[IsARM, HasV6]>;
1057 def REVSH : AI<(ops GPR:$dst, GPR:$src),
1058 "revsh", " $dst, $src",
1061 (or (srl (and GPR:$src, 0xFF00), 8),
1062 (shl GPR:$src, 8)), i16))]>,
1063 Requires<[IsARM, HasV6]>;
1065 def PKHBT : AI<(ops GPR:$dst, GPR:$src1, GPR:$src2, i32imm:$shamt),
1066 "pkhbt", " $dst, $src1, $src2, LSL $shamt",
1067 [(set GPR:$dst, (or (and GPR:$src1, 0xFFFF),
1068 (and (shl GPR:$src2, (i32 imm:$shamt)),
1070 Requires<[IsARM, HasV6]>;
1072 // Alternate cases for PKHBT where identities eliminate some nodes.
1073 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF), (and GPR:$src2, 0xFFFF0000)),
1074 (PKHBT GPR:$src1, GPR:$src2, 0)>;
1075 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF), (shl GPR:$src2, imm16_31:$shamt)),
1076 (PKHBT GPR:$src1, GPR:$src2, imm16_31:$shamt)>;
1079 def PKHTB : AI<(ops GPR:$dst, GPR:$src1, GPR:$src2, i32imm:$shamt),
1080 "pkhtb", " $dst, $src1, $src2, ASR $shamt",
1081 [(set GPR:$dst, (or (and GPR:$src1, 0xFFFF0000),
1082 (and (sra GPR:$src2, imm16_31:$shamt),
1083 0xFFFF)))]>, Requires<[IsARM, HasV6]>;
1085 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
1086 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
1087 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000), (srl GPR:$src2, 16)),
1088 (PKHTB GPR:$src1, GPR:$src2, 16)>;
1089 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000),
1090 (and (srl GPR:$src2, imm1_15:$shamt), 0xFFFF)),
1091 (PKHTB GPR:$src1, GPR:$src2, imm1_15:$shamt)>;
1094 //===----------------------------------------------------------------------===//
1095 // Comparison Instructions...
1098 defm CMP : AI1_bin0_irs<"cmp", BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
1099 defm CMN : AI1_bin0_irs<"cmn", BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
1101 def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
1102 (CMNri GPR:$src, so_imm_neg:$imm)>;
1104 // Note that TST/TEQ don't set all the same flags that CMP does!
1105 defm TST : AI1_bin0_irs<"tst", BinOpFrag<(ARMcmpNZ (and node:$LHS, node:$RHS), 0)>>;
1106 defm TEQ : AI1_bin0_irs<"teq", BinOpFrag<(ARMcmpNZ (xor node:$LHS, node:$RHS), 0)>>;
1108 defm CMPnz : AI1_bin0_irs<"cmp", BinOpFrag<(ARMcmpNZ node:$LHS, node:$RHS)>>;
1109 defm CMNnz : AI1_bin0_irs<"cmn", BinOpFrag<(ARMcmpNZ node:$LHS,(ineg node:$RHS))>>;
1111 def : ARMPat<(ARMcmpNZ GPR:$src, so_imm_neg:$imm),
1112 (CMNri GPR:$src, so_imm_neg:$imm)>;
1115 // Conditional moves
1116 def MOVCCr : AXI<(ops GPR:$dst, GPR:$false, GPR:$true, ccop:$cc),
1117 "mov$cc $dst, $true",
1118 [(set GPR:$dst, (ARMcmov GPR:$false, GPR:$true, imm:$cc))]>,
1119 RegConstraint<"$false = $dst">;
1121 def MOVCCs : AXI<(ops GPR:$dst, GPR:$false, so_reg:$true, ccop:$cc),
1122 "mov$cc $dst, $true",
1123 [(set GPR:$dst, (ARMcmov GPR:$false, so_reg:$true,imm:$cc))]>,
1124 RegConstraint<"$false = $dst">;
1126 def MOVCCi : AXI<(ops GPR:$dst, GPR:$false, so_imm:$true, ccop:$cc),
1127 "mov$cc $dst, $true",
1128 [(set GPR:$dst, (ARMcmov GPR:$false, so_imm:$true,imm:$cc))]>,
1129 RegConstraint<"$false = $dst">;
1132 // LEApcrel - Load a pc-relative address into a register without offending the
1134 def LEApcrel : AXI1<(ops GPR:$dst, i32imm:$label, pred:$p),
1135 !strconcat(!strconcat(".set PCRELV${:uid}, ($label-(",
1136 "${:private}PCRELL${:uid}+8))\n"),
1137 !strconcat("${:private}PCRELL${:uid}:\n\t",
1138 "add$p $dst, pc, #PCRELV${:uid}")),
1141 def LEApcrelJT : AXI1<(ops GPR:$dst, i32imm:$label, i32imm:$id, pred:$p),
1142 !strconcat(!strconcat(".set PCRELV${:uid}, (${label}_${id:no_hash}-(",
1143 "${:private}PCRELL${:uid}+8))\n"),
1144 !strconcat("${:private}PCRELL${:uid}:\n\t",
1145 "add$p $dst, pc, #PCRELV${:uid}")),
1147 //===----------------------------------------------------------------------===//
1151 // __aeabi_read_tp preserves the registers r1-r3.
1153 Defs = [R0, R12, LR] in {
1154 def TPsoft : AXI<(ops),
1155 "bl __aeabi_read_tp",
1156 [(set R0, ARMthread_pointer)]>;
1159 //===----------------------------------------------------------------------===//
1160 // Non-Instruction Patterns
1163 // ConstantPool, GlobalAddress, and JumpTable
1164 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>;
1165 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
1166 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
1167 (LEApcrelJT tjumptable:$dst, imm:$id)>;
1169 // Large immediate handling.
1171 // Two piece so_imms.
1172 let isReMaterializable = 1 in
1173 def MOVi2pieces : AI1x2<(ops GPR:$dst, so_imm2part:$src),
1174 "mov", " $dst, $src",
1175 [(set GPR:$dst, so_imm2part:$src)]>;
1177 def : ARMPat<(or GPR:$LHS, so_imm2part:$RHS),
1178 (ORRri (ORRri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
1179 (so_imm2part_2 imm:$RHS))>;
1180 def : ARMPat<(xor GPR:$LHS, so_imm2part:$RHS),
1181 (EORri (EORri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
1182 (so_imm2part_2 imm:$RHS))>;
1184 // TODO: add,sub,and, 3-instr forms?
1188 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>;
1190 // zextload i1 -> zextload i8
1191 def : ARMPat<(zextloadi1 addrmode2:$addr), (LDRB addrmode2:$addr)>;
1193 // extload -> zextload
1194 def : ARMPat<(extloadi1 addrmode2:$addr), (LDRB addrmode2:$addr)>;
1195 def : ARMPat<(extloadi8 addrmode2:$addr), (LDRB addrmode2:$addr)>;
1196 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
1198 // truncstore i1 -> truncstore i8
1199 def : ARMPat<(truncstorei1 GPR:$src, addrmode2:$dst),
1200 (STRB GPR:$src, addrmode2:$dst)>;
1201 def : ARMPat<(pre_truncsti1 GPR:$src, GPR:$base, am2offset:$offset),
1202 (STRB_PRE GPR:$src, GPR:$base, am2offset:$offset)>;
1203 def : ARMPat<(post_truncsti1 GPR:$src, GPR:$base, am2offset:$offset),
1204 (STRB_POST GPR:$src, GPR:$base, am2offset:$offset)>;
1207 def : ARMV5TEPat<(mul (sra (shl GPR:$a, 16), 16), (sra (shl GPR:$b, 16), 16)),
1208 (SMULBB GPR:$a, GPR:$b)>;
1209 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
1210 (SMULBB GPR:$a, GPR:$b)>;
1211 def : ARMV5TEPat<(mul (sra (shl GPR:$a, 16), 16), (sra GPR:$b, 16)),
1212 (SMULBT GPR:$a, GPR:$b)>;
1213 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, 16)),
1214 (SMULBT GPR:$a, GPR:$b)>;
1215 def : ARMV5TEPat<(mul (sra GPR:$a, 16), (sra (shl GPR:$b, 16), 16)),
1216 (SMULTB GPR:$a, GPR:$b)>;
1217 def : ARMV5TEPat<(mul (sra GPR:$a, 16), sext_16_node:$b),
1218 (SMULTB GPR:$a, GPR:$b)>;
1219 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, 16), 16)), 16),
1220 (SMULWB GPR:$a, GPR:$b)>;
1221 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), 16),
1222 (SMULWB GPR:$a, GPR:$b)>;
1224 def : ARMV5TEPat<(add GPR:$acc,
1225 (mul (sra (shl GPR:$a, 16), 16),
1226 (sra (shl GPR:$b, 16), 16))),
1227 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
1228 def : ARMV5TEPat<(add GPR:$acc,
1229 (mul sext_16_node:$a, sext_16_node:$b)),
1230 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
1231 def : ARMV5TEPat<(add GPR:$acc,
1232 (mul (sra (shl GPR:$a, 16), 16), (sra GPR:$b, 16))),
1233 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
1234 def : ARMV5TEPat<(add GPR:$acc,
1235 (mul sext_16_node:$a, (sra GPR:$b, 16))),
1236 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
1237 def : ARMV5TEPat<(add GPR:$acc,
1238 (mul (sra GPR:$a, 16), (sra (shl GPR:$b, 16), 16))),
1239 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
1240 def : ARMV5TEPat<(add GPR:$acc,
1241 (mul (sra GPR:$a, 16), sext_16_node:$b)),
1242 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
1243 def : ARMV5TEPat<(add GPR:$acc,
1244 (sra (mul GPR:$a, (sra (shl GPR:$b, 16), 16)), 16)),
1245 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
1246 def : ARMV5TEPat<(add GPR:$acc,
1247 (sra (mul GPR:$a, sext_16_node:$b), 16)),
1248 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
1250 //===----------------------------------------------------------------------===//
1254 include "ARMInstrThumb.td"
1256 //===----------------------------------------------------------------------===//
1257 // Floating Point Support
1260 include "ARMInstrVFP.td"