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>]>;
43 def ARMWrapper : SDNode<"ARMISD::Wrapper", SDTIntUnaryOp>;
44 def ARMWrapperJT : SDNode<"ARMISD::WrapperJT", SDTIntBinOp>;
46 def ARMcallseq_start : SDNode<"ISD::CALLSEQ_START", SDT_ARMCallSeq,
47 [SDNPHasChain, SDNPOutFlag]>;
48 def ARMcallseq_end : SDNode<"ISD::CALLSEQ_END", SDT_ARMCallSeq,
49 [SDNPHasChain, SDNPInFlag, SDNPOutFlag]>;
51 def ARMcall : SDNode<"ARMISD::CALL", SDT_ARMcall,
52 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
53 def ARMcall_nolink : SDNode<"ARMISD::CALL_NOLINK", SDT_ARMcall,
54 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
56 def ARMretflag : SDNode<"ARMISD::RET_FLAG", SDTRet,
57 [SDNPHasChain, SDNPOptInFlag]>;
59 def ARMcmov : SDNode<"ARMISD::CMOV", SDT_ARMCMov,
61 def ARMcneg : SDNode<"ARMISD::CNEG", SDT_ARMCMov,
64 def ARMbrcond : SDNode<"ARMISD::BRCOND", SDT_ARMBrcond,
65 [SDNPHasChain, SDNPInFlag, SDNPOutFlag]>;
67 def ARMbrjt : SDNode<"ARMISD::BR_JT", SDT_ARMBrJT,
70 def ARMcmp : SDNode<"ARMISD::CMP", SDT_ARMCmp,
73 def ARMpic_add : SDNode<"ARMISD::PIC_ADD", SDT_ARMPICAdd>;
75 def ARMsrl_flag : SDNode<"ARMISD::SRL_FLAG", SDTIntUnaryOp, [SDNPOutFlag]>;
76 def ARMsra_flag : SDNode<"ARMISD::SRA_FLAG", SDTIntUnaryOp, [SDNPOutFlag]>;
77 def ARMrrx : SDNode<"ARMISD::RRX" , SDTIntUnaryOp, [SDNPInFlag ]>;
79 //===----------------------------------------------------------------------===//
80 // ARM Instruction Predicate Definitions.
82 def HasV5T : Predicate<"Subtarget->hasV5TOps()">;
83 def HasV5TE : Predicate<"Subtarget->hasV5TEOps()">;
84 def HasV6 : Predicate<"Subtarget->hasV6Ops()">;
85 def IsThumb : Predicate<"Subtarget->isThumb()">;
86 def IsARM : Predicate<"!Subtarget->isThumb()">;
88 //===----------------------------------------------------------------------===//
89 // ARM Flag Definitions.
91 class RegConstraint<string C> {
92 string Constraints = C;
95 //===----------------------------------------------------------------------===//
96 // ARM specific transformation functions and pattern fragments.
99 // so_imm_XFORM - Return a so_imm value packed into the format described for
101 def so_imm_XFORM : SDNodeXForm<imm, [{
102 return CurDAG->getTargetConstant(ARM_AM::getSOImmVal(N->getValue()),
106 // so_imm_neg_XFORM - Return a so_imm value packed into the format described for
107 // so_imm_neg def below.
108 def so_imm_neg_XFORM : SDNodeXForm<imm, [{
109 return CurDAG->getTargetConstant(ARM_AM::getSOImmVal(-(int)N->getValue()),
113 // so_imm_not_XFORM - Return a so_imm value packed into the format described for
114 // so_imm_not def below.
115 def so_imm_not_XFORM : SDNodeXForm<imm, [{
116 return CurDAG->getTargetConstant(ARM_AM::getSOImmVal(~(int)N->getValue()),
120 // rot_imm predicate - True if the 32-bit immediate is equal to 8, 16, or 24.
121 def rot_imm : PatLeaf<(i32 imm), [{
122 int32_t v = (int32_t)N->getValue();
123 return v == 8 || v == 16 || v == 24;
126 /// imm1_15 predicate - True if the 32-bit immediate is in the range [1,15].
127 def imm1_15 : PatLeaf<(i32 imm), [{
128 return (int32_t)N->getValue() >= 1 && (int32_t)N->getValue() < 16;
131 /// imm16_31 predicate - True if the 32-bit immediate is in the range [16,31].
132 def imm16_31 : PatLeaf<(i32 imm), [{
133 return (int32_t)N->getValue() >= 16 && (int32_t)N->getValue() < 32;
137 PatLeaf<(imm), [{ return ARM_AM::getSOImmVal(-(int)N->getValue()) != -1; }],
141 PatLeaf<(imm), [{ return ARM_AM::getSOImmVal(~(int)N->getValue()) != -1; }],
144 // sext_16_node predicate - True if the SDNode is sign-extended 16 or more bits.
145 def sext_16_node : PatLeaf<(i32 GPR:$a), [{
146 return TLI.ComputeNumSignBits(SDOperand(N,0)) >= 17;
150 // Break so_imm's up into two pieces. This handles immediates with up to 16
151 // bits set in them. This uses so_imm2part to match and so_imm2part_[12] to
152 // get the first/second pieces.
153 def so_imm2part : PatLeaf<(imm), [{
154 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getValue());
157 def so_imm2part_1 : SDNodeXForm<imm, [{
158 unsigned V = ARM_AM::getSOImmTwoPartFirst((unsigned)N->getValue());
159 return CurDAG->getTargetConstant(ARM_AM::getSOImmVal(V), MVT::i32);
162 def so_imm2part_2 : SDNodeXForm<imm, [{
163 unsigned V = ARM_AM::getSOImmTwoPartSecond((unsigned)N->getValue());
164 return CurDAG->getTargetConstant(ARM_AM::getSOImmVal(V), MVT::i32);
169 //===----------------------------------------------------------------------===//
170 // Operand Definitions.
174 def brtarget : Operand<OtherVT>;
176 // Operand for printing out a condition code.
177 def CCOp : Operand<i32> {
178 let PrintMethod = "printCCOperand";
181 // A list of registers separated by comma. Used by load/store multiple.
182 def reglist : Operand<i32> {
183 let PrintMethod = "printRegisterList";
186 // An operand for the CONSTPOOL_ENTRY pseudo-instruction.
187 def cpinst_operand : Operand<i32> {
188 let PrintMethod = "printCPInstOperand";
191 def jtblock_operand : Operand<i32> {
192 let PrintMethod = "printJTBlockOperand";
196 def pclabel : Operand<i32> {
197 let PrintMethod = "printPCLabel";
200 // shifter_operand operands: so_reg and so_imm.
201 def so_reg : Operand<i32>, // reg reg imm
202 ComplexPattern<i32, 3, "SelectShifterOperandReg",
203 [shl,srl,sra,rotr]> {
204 let PrintMethod = "printSORegOperand";
205 let MIOperandInfo = (ops GPR, GPR, i32imm);
208 // so_imm - Match a 32-bit shifter_operand immediate operand, which is an
209 // 8-bit immediate rotated by an arbitrary number of bits. so_imm values are
210 // represented in the imm field in the same 12-bit form that they are encoded
211 // into so_imm instructions: the 8-bit immediate is the least significant bits
212 // [bits 0-7], the 4-bit shift amount is the next 4 bits [bits 8-11].
213 def so_imm : Operand<i32>,
215 [{ return ARM_AM::getSOImmVal(N->getValue()) != -1; }],
217 let PrintMethod = "printSOImmOperand";
221 // Define ARM specific addressing modes.
223 // addrmode2 := reg +/- reg shop imm
224 // addrmode2 := reg +/- imm12
226 def addrmode2 : Operand<i32>,
227 ComplexPattern<i32, 3, "SelectAddrMode2", []> {
228 let PrintMethod = "printAddrMode2Operand";
229 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
232 def am2offset : Operand<i32>,
233 ComplexPattern<i32, 2, "SelectAddrMode2Offset", []> {
234 let PrintMethod = "printAddrMode2OffsetOperand";
235 let MIOperandInfo = (ops GPR, i32imm);
238 // addrmode3 := reg +/- reg
239 // addrmode3 := reg +/- imm8
241 def addrmode3 : Operand<i32>,
242 ComplexPattern<i32, 3, "SelectAddrMode3", []> {
243 let PrintMethod = "printAddrMode3Operand";
244 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
247 def am3offset : Operand<i32>,
248 ComplexPattern<i32, 2, "SelectAddrMode3Offset", []> {
249 let PrintMethod = "printAddrMode3OffsetOperand";
250 let MIOperandInfo = (ops GPR, i32imm);
253 // addrmode4 := reg, <mode|W>
255 def addrmode4 : Operand<i32>,
256 ComplexPattern<i32, 2, "", []> {
257 let PrintMethod = "printAddrMode4Operand";
258 let MIOperandInfo = (ops GPR, i32imm);
261 // addrmode5 := reg +/- imm8*4
263 def addrmode5 : Operand<i32>,
264 ComplexPattern<i32, 2, "SelectAddrMode5", []> {
265 let PrintMethod = "printAddrMode5Operand";
266 let MIOperandInfo = (ops GPR, i32imm);
269 // addrmodepc := pc + reg
271 def addrmodepc : Operand<i32>,
272 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
273 let PrintMethod = "printAddrModePCOperand";
274 let MIOperandInfo = (ops GPR, i32imm);
277 //===----------------------------------------------------------------------===//
278 // ARM Instruction flags. These need to match ARMInstrInfo.h.
282 class AddrMode<bits<4> val> {
285 def AddrModeNone : AddrMode<0>;
286 def AddrMode1 : AddrMode<1>;
287 def AddrMode2 : AddrMode<2>;
288 def AddrMode3 : AddrMode<3>;
289 def AddrMode4 : AddrMode<4>;
290 def AddrMode5 : AddrMode<5>;
291 def AddrModeT1 : AddrMode<6>;
292 def AddrModeT2 : AddrMode<7>;
293 def AddrModeT4 : AddrMode<8>;
294 def AddrModeTs : AddrMode<9>;
297 class SizeFlagVal<bits<3> val> {
300 def SizeInvalid : SizeFlagVal<0>; // Unset.
301 def SizeSpecial : SizeFlagVal<1>; // Pseudo or special.
302 def Size8Bytes : SizeFlagVal<2>;
303 def Size4Bytes : SizeFlagVal<3>;
304 def Size2Bytes : SizeFlagVal<4>;
306 // Load / store index mode.
307 class IndexMode<bits<2> val> {
310 def IndexModeNone : IndexMode<0>;
311 def IndexModePre : IndexMode<1>;
312 def IndexModePost : IndexMode<2>;
314 //===----------------------------------------------------------------------===//
315 // ARM Instruction templates.
318 // ARMPat - Same as Pat<>, but requires that the compiler be in ARM mode.
319 class ARMPat<dag pattern, dag result> : Pat<pattern, result> {
320 list<Predicate> Predicates = [IsARM];
322 class ARMV5TEPat<dag pattern, dag result> : Pat<pattern, result> {
323 list<Predicate> Predicates = [IsARM, HasV5TE];
325 class ARMV6Pat<dag pattern, dag result> : Pat<pattern, result> {
326 list<Predicate> Predicates = [IsARM, HasV6];
329 class InstARM<bits<4> opcod, AddrMode am, SizeFlagVal sz, IndexMode im,
330 dag ops, string asmstr, string cstr>
332 let Namespace = "ARM";
334 bits<4> Opcode = opcod;
336 bits<4> AddrModeBits = AM.Value;
339 bits<3> SizeFlag = SZ.Value;
342 bits<2> IndexModeBits = IM.Value;
344 dag OperandList = ops;
345 let AsmString = asmstr;
346 let Constraints = cstr;
349 class PseudoInst<dag ops, string asm, list<dag> pattern>
350 : InstARM<0, AddrModeNone, SizeSpecial, IndexModeNone, ops, asm, ""> {
351 let Pattern = pattern;
354 class I<dag ops, AddrMode am, SizeFlagVal sz, IndexMode im,
355 string asm, string cstr, list<dag> pattern>
356 // FIXME: Set all opcodes to 0 for now.
357 : InstARM<0, am, sz, im, ops, asm, cstr> {
358 let Pattern = pattern;
359 list<Predicate> Predicates = [IsARM];
362 class AI<dag ops, string asm, list<dag> pattern>
363 : I<ops, AddrModeNone, Size4Bytes, IndexModeNone, asm, "", pattern>;
364 class AI1<dag ops, string asm, list<dag> pattern>
365 : I<ops, AddrMode1, Size4Bytes, IndexModeNone, asm, "", pattern>;
366 class AI2<dag ops, string asm, list<dag> pattern>
367 : I<ops, AddrMode2, Size4Bytes, IndexModeNone, asm, "", pattern>;
368 class AI3<dag ops, string asm, list<dag> pattern>
369 : I<ops, AddrMode3, Size4Bytes, IndexModeNone, asm, "", pattern>;
370 class AI4<dag ops, string asm, list<dag> pattern>
371 : I<ops, AddrMode4, Size4Bytes, IndexModeNone, asm, "", pattern>;
372 class AIx2<dag ops, string asm, list<dag> pattern>
373 : I<ops, AddrModeNone, Size8Bytes, IndexModeNone, asm, "", pattern>;
376 class AI2pr<dag ops, string asm, string cstr, list<dag> pattern>
377 : I<ops, AddrMode2, Size4Bytes, IndexModePre, asm, cstr, pattern>;
378 class AI3pr<dag ops, string asm, string cstr, list<dag> pattern>
379 : I<ops, AddrMode3, Size4Bytes, IndexModePre, asm, cstr, pattern>;
382 class AI2po<dag ops, string asm, string cstr, list<dag> pattern>
383 : I<ops, AddrMode2, Size4Bytes, IndexModePost, asm, cstr, pattern>;
384 class AI3po<dag ops, string asm, string cstr, list<dag> pattern>
385 : I<ops, AddrMode3, Size4Bytes, IndexModePost, asm, cstr, pattern>;
387 // BR_JT instructions
388 class JTI<dag ops, string asm, list<dag> pattern>
389 : I<ops, AddrModeNone, SizeSpecial, IndexModeNone, asm, "", pattern>;
390 class JTI1<dag ops, string asm, list<dag> pattern>
391 : I<ops, AddrMode1, SizeSpecial, IndexModeNone, asm, "", pattern>;
392 class JTI2<dag ops, string asm, list<dag> pattern>
393 : I<ops, AddrMode2, SizeSpecial, IndexModeNone, asm, "", pattern>;
396 class BinOpFrag<dag res> : PatFrag<(ops node:$LHS, node:$RHS), res>;
397 class UnOpFrag <dag res> : PatFrag<(ops node:$Src), res>;
400 /// AI1_bin_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns for a
401 /// binop that produces a value.
402 multiclass AI1_bin_irs<string opc, PatFrag opnode> {
403 def ri : AI1<(ops GPR:$dst, GPR:$a, so_imm:$b),
404 !strconcat(opc, " $dst, $a, $b"),
405 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]>;
406 def rr : AI1<(ops GPR:$dst, GPR:$a, GPR:$b),
407 !strconcat(opc, " $dst, $a, $b"),
408 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]>;
409 def rs : AI1<(ops GPR:$dst, GPR:$a, so_reg:$b),
410 !strconcat(opc, " $dst, $a, $b"),
411 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]>;
414 /// AI1_bin0_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns.
415 /// Similar to AI1_bin_irs except the instruction does not produce a result.
416 multiclass AI1_bin0_irs<string opc, PatFrag opnode> {
417 def ri : AI1<(ops GPR:$a, so_imm:$b),
418 !strconcat(opc, " $a, $b"),
419 [(opnode GPR:$a, so_imm:$b)]>;
420 def rr : AI1<(ops GPR:$a, GPR:$b),
421 !strconcat(opc, " $a, $b"),
422 [(opnode GPR:$a, GPR:$b)]>;
423 def rs : AI1<(ops GPR:$a, so_reg:$b),
424 !strconcat(opc, " $a, $b"),
425 [(opnode GPR:$a, so_reg:$b)]>;
428 /// AI1_bin_is - Defines a set of (op r, {so_imm|so_reg}) patterns for a binop.
429 multiclass AI1_bin_is<string opc, PatFrag opnode> {
430 def ri : AI1<(ops GPR:$dst, GPR:$a, so_imm:$b),
431 !strconcat(opc, " $dst, $a, $b"),
432 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]>;
433 def rs : AI1<(ops GPR:$dst, GPR:$a, so_reg:$b),
434 !strconcat(opc, " $dst, $a, $b"),
435 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]>;
438 /// AI1_unary_irs - Defines a set of (op {so_imm|r|so_reg}) patterns for unary
440 multiclass AI1_unary_irs<string opc, PatFrag opnode> {
441 def i : AI1<(ops GPR:$dst, so_imm:$a),
442 !strconcat(opc, " $dst, $a"),
443 [(set GPR:$dst, (opnode so_imm:$a))]>;
444 def r : AI1<(ops GPR:$dst, GPR:$a),
445 !strconcat(opc, " $dst, $a"),
446 [(set GPR:$dst, (opnode GPR:$a))]>;
447 def s : AI1<(ops GPR:$dst, so_reg:$a),
448 !strconcat(opc, " $dst, $a"),
449 [(set GPR:$dst, (opnode so_reg:$a))]>;
452 /// AI_unary_rrot - A unary operation with two forms: one whose operand is a
453 /// register and one whose operand is a register rotated by 8/16/24.
454 multiclass AI_unary_rrot<string opc, PatFrag opnode> {
455 def r : AI<(ops GPR:$dst, GPR:$Src),
456 !strconcat(opc, " $dst, $Src"),
457 [(set GPR:$dst, (opnode GPR:$Src))]>, Requires<[IsARM, HasV6]>;
458 def r_rot : AI<(ops GPR:$dst, GPR:$Src, i32imm:$rot),
459 !strconcat(opc, " $dst, $Src, ror $rot"),
460 [(set GPR:$dst, (opnode (rotr GPR:$Src, rot_imm:$rot)))]>,
461 Requires<[IsARM, HasV6]>;
464 /// AI_bin_rrot - A binary operation with two forms: one whose operand is a
465 /// register and one whose operand is a register rotated by 8/16/24.
466 multiclass AI_bin_rrot<string opc, PatFrag opnode> {
467 def rr : AI<(ops GPR:$dst, GPR:$LHS, GPR:$RHS),
468 !strconcat(opc, " $dst, $LHS, $RHS"),
469 [(set GPR:$dst, (opnode GPR:$LHS, GPR:$RHS))]>,
470 Requires<[IsARM, HasV6]>;
471 def rr_rot : AI<(ops GPR:$dst, GPR:$LHS, GPR:$RHS, i32imm:$rot),
472 !strconcat(opc, " $dst, $LHS, $RHS, ror $rot"),
473 [(set GPR:$dst, (opnode GPR:$LHS,
474 (rotr GPR:$RHS, rot_imm:$rot)))]>,
475 Requires<[IsARM, HasV6]>;
479 //===----------------------------------------------------------------------===//
481 //===----------------------------------------------------------------------===//
483 //===----------------------------------------------------------------------===//
484 // Miscellaneous Instructions.
486 def IMPLICIT_DEF_GPR :
487 PseudoInst<(ops GPR:$rD),
488 "@ IMPLICIT_DEF_GPR $rD",
489 [(set GPR:$rD, (undef))]>;
492 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
493 /// the function. The first operand is the ID# for this instruction, the second
494 /// is the index into the MachineConstantPool that this is, the third is the
495 /// size in bytes of this constant pool entry.
496 def CONSTPOOL_ENTRY :
497 PseudoInst<(ops cpinst_operand:$instid, cpinst_operand:$cpidx, i32imm:$size),
498 "${instid:label} ${cpidx:cpentry}", []>;
501 PseudoInst<(ops i32imm:$amt),
502 "@ ADJCALLSTACKUP $amt",
503 [(ARMcallseq_end imm:$amt)]>, Imp<[SP],[SP]>;
505 def ADJCALLSTACKDOWN :
506 PseudoInst<(ops i32imm:$amt),
507 "@ ADJCALLSTACKDOWN $amt",
508 [(ARMcallseq_start imm:$amt)]>, Imp<[SP],[SP]>;
511 PseudoInst<(ops i32imm:$line, i32imm:$col, i32imm:$file),
512 ".loc $file, $line, $col",
513 [(dwarf_loc (i32 imm:$line), (i32 imm:$col), (i32 imm:$file))]>;
515 def PICADD : AI1<(ops GPR:$dst, GPR:$a, pclabel:$cp),
516 "$cp:\n\tadd $dst, pc, $a",
517 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
518 let AddedComplexity = 10 in
519 def PICLD : AI2<(ops GPR:$dst, addrmodepc:$addr),
520 "${addr:label}:\n\tldr $dst, $addr",
521 [(set GPR:$dst, (load addrmodepc:$addr))]>;
523 //===----------------------------------------------------------------------===//
524 // Control Flow Instructions.
527 let isReturn = 1, isTerminator = 1 in
528 def BX_RET : AI<(ops), "bx lr", [(ARMretflag)]>;
530 // FIXME: remove when we have a way to marking a MI with these properties.
531 let isLoad = 1, isReturn = 1, isTerminator = 1 in
532 def LDM_RET : AI4<(ops addrmode4:$addr, reglist:$dst1, variable_ops),
533 "ldm${addr:submode} $addr, $dst1",
536 let isCall = 1, noResults = 1,
537 Defs = [R0, R1, R2, R3, R12, LR,
538 D0, D1, D2, D3, D4, D5, D6, D7] in {
539 def BL : AI<(ops i32imm:$func, variable_ops),
541 [(ARMcall tglobaladdr:$func)]>;
543 def BLX : AI<(ops GPR:$dst, variable_ops),
545 [(ARMcall GPR:$dst)]>, Requires<[IsARM, HasV5T]>;
547 def BX : AIx2<(ops GPR:$dst, variable_ops),
548 "mov lr, pc\n\tbx $dst",
549 [(ARMcall_nolink GPR:$dst)]>;
552 let isBranch = 1, isTerminator = 1, isBarrier = 1 in {
553 def B : AI<(ops brtarget:$dst), "b $dst",
556 def BR_JTr : JTI<(ops GPR:$dst, jtblock_operand:$jt, i32imm:$id),
557 "mov pc, $dst \n$jt",
558 [(ARMbrjt GPR:$dst, tjumptable:$jt, imm:$id)]>;
559 def BR_JTm : JTI2<(ops addrmode2:$dst, jtblock_operand:$jt, i32imm:$id),
560 "ldr pc, $dst \n$jt",
561 [(ARMbrjt (i32 (load addrmode2:$dst)), tjumptable:$jt,
563 def BR_JTadd : JTI1<(ops GPR:$dst, GPR:$idx, jtblock_operand:$jt, i32imm:$id),
564 "add pc, $dst, $idx \n$jt",
565 [(ARMbrjt (add GPR:$dst, GPR:$idx), tjumptable:$jt,
569 let isBranch = 1, isTerminator = 1, noResults = 1, isBarrier = 1 in
570 def Bcc : AI<(ops brtarget:$dst, CCOp:$cc), "b$cc $dst",
571 [(ARMbrcond bb:$dst, imm:$cc)]>;
573 //===----------------------------------------------------------------------===//
574 // Load / store Instructions.
579 def LDR : AI2<(ops GPR:$dst, addrmode2:$addr),
581 [(set GPR:$dst, (load addrmode2:$addr))]>;
583 // Special LDR for loads from non-pc-relative constpools.
584 let isReMaterializable = 1 in
585 def LDRcp : AI2<(ops GPR:$dst, addrmode2:$addr),
586 "ldr $dst, $addr", []>;
588 // Loads with zero extension
589 def LDRH : AI3<(ops GPR:$dst, addrmode3:$addr),
591 [(set GPR:$dst, (zextloadi16 addrmode3:$addr))]>;
593 def LDRB : AI2<(ops GPR:$dst, addrmode2:$addr),
595 [(set GPR:$dst, (zextloadi8 addrmode2:$addr))]>;
597 // Loads with sign extension
598 def LDRSH : AI3<(ops GPR:$dst, addrmode3:$addr),
600 [(set GPR:$dst, (sextloadi16 addrmode3:$addr))]>;
602 def LDRSB : AI3<(ops GPR:$dst, addrmode3:$addr),
604 [(set GPR:$dst, (sextloadi8 addrmode3:$addr))]>;
607 def LDRD : AI3<(ops GPR:$dst, addrmode3:$addr),
609 []>, Requires<[IsARM, HasV5T]>;
612 def LDR_PRE : AI2pr<(ops GPR:$dst, GPR:$base_wb, addrmode2:$addr),
613 "ldr $dst, $addr!", "$addr.base = $base_wb", []>;
615 def LDR_POST : AI2po<(ops GPR:$dst, GPR:$base_wb, GPR:$base, am2offset:$offset),
616 "ldr $dst, [$base], $offset", "$base = $base_wb", []>;
618 def LDRH_PRE : AI3pr<(ops GPR:$dst, GPR:$base_wb, addrmode3:$addr),
619 "ldrh $dst, $addr!", "$addr.base = $base_wb", []>;
621 def LDRH_POST : AI3po<(ops GPR:$dst, GPR:$base_wb, GPR:$base,am3offset:$offset),
622 "ldrh $dst, [$base], $offset", "$base = $base_wb", []>;
624 def LDRB_PRE : AI2pr<(ops GPR:$dst, GPR:$base_wb, addrmode2:$addr),
625 "ldrb $dst, $addr!", "$addr.base = $base_wb", []>;
627 def LDRB_POST : AI2po<(ops GPR:$dst, GPR:$base_wb, GPR:$base,am2offset:$offset),
628 "ldrb $dst, [$base], $offset", "$base = $base_wb", []>;
630 def LDRSH_PRE : AI3pr<(ops GPR:$dst, GPR:$base_wb, addrmode3:$addr),
631 "ldrsh $dst, $addr!", "$addr.base = $base_wb", []>;
633 def LDRSH_POST: AI3po<(ops GPR:$dst, GPR:$base_wb, GPR:$base,am3offset:$offset),
634 "ldrsh $dst, [$base], $offset", "$base = $base_wb", []>;
636 def LDRSB_PRE : AI3pr<(ops GPR:$dst, GPR:$base_wb, addrmode3:$addr),
637 "ldrsb $dst, $addr!", "$addr.base = $base_wb", []>;
639 def LDRSB_POST: AI3po<(ops GPR:$dst, GPR:$base_wb, GPR:$base,am3offset:$offset),
640 "ldrsb $dst, [$base], $offset", "$base = $base_wb", []>;
645 def STR : AI2<(ops GPR:$src, addrmode2:$addr),
647 [(store GPR:$src, addrmode2:$addr)]>;
649 // Stores with truncate
650 def STRH : AI3<(ops GPR:$src, addrmode3:$addr),
652 [(truncstorei16 GPR:$src, addrmode3:$addr)]>;
654 def STRB : AI2<(ops GPR:$src, addrmode2:$addr),
656 [(truncstorei8 GPR:$src, addrmode2:$addr)]>;
659 def STRD : AI3<(ops GPR:$src, addrmode3:$addr),
661 []>, Requires<[IsARM, HasV5T]>;
664 def STR_PRE : AI2pr<(ops GPR:$base_wb, GPR:$src, GPR:$base, am2offset:$offset),
665 "str $src, [$base, $offset]!", "$base = $base_wb",
667 (pre_store GPR:$src, GPR:$base, am2offset:$offset))]>;
669 def STR_POST : AI2po<(ops GPR:$base_wb, GPR:$src, GPR:$base,am2offset:$offset),
670 "str $src, [$base], $offset", "$base = $base_wb",
672 (post_store GPR:$src, GPR:$base, am2offset:$offset))]>;
674 def STRH_PRE : AI3pr<(ops GPR:$base_wb, GPR:$src, GPR:$base,am3offset:$offset),
675 "strh $src, [$base, $offset]!", "$base = $base_wb",
677 (pre_truncsti16 GPR:$src, GPR:$base,am3offset:$offset))]>;
679 def STRH_POST: AI3po<(ops GPR:$base_wb, GPR:$src, GPR:$base,am3offset:$offset),
680 "strh $src, [$base], $offset", "$base = $base_wb",
681 [(set GPR:$base_wb, (post_truncsti16 GPR:$src,
682 GPR:$base, am3offset:$offset))]>;
684 def STRB_PRE : AI2pr<(ops GPR:$base_wb, GPR:$src, GPR:$base,am2offset:$offset),
685 "strb $src, [$base, $offset]!", "$base = $base_wb",
686 [(set GPR:$base_wb, (pre_truncsti8 GPR:$src,
687 GPR:$base, am2offset:$offset))]>;
689 def STRB_POST: AI2po<(ops GPR:$base_wb, GPR:$src, GPR:$base,am2offset:$offset),
690 "strb $src, [$base], $offset", "$base = $base_wb",
691 [(set GPR:$base_wb, (post_truncsti8 GPR:$src,
692 GPR:$base, am2offset:$offset))]>;
695 //===----------------------------------------------------------------------===//
696 // Load / store multiple Instructions.
700 def LDM : AI4<(ops addrmode4:$addr, reglist:$dst1, variable_ops),
701 "ldm${addr:submode} $addr, $dst1",
705 def STM : AI4<(ops addrmode4:$addr, reglist:$src1, variable_ops),
706 "stm${addr:submode} $addr, $src1",
709 //===----------------------------------------------------------------------===//
710 // Move Instructions.
713 def MOVr : AI1<(ops GPR:$dst, GPR:$src),
714 "mov $dst, $src", []>;
715 def MOVs : AI1<(ops GPR:$dst, so_reg:$src),
716 "mov $dst, $src", [(set GPR:$dst, so_reg:$src)]>;
718 let isReMaterializable = 1 in
719 def MOVi : AI1<(ops GPR:$dst, so_imm:$src),
720 "mov $dst, $src", [(set GPR:$dst, so_imm:$src)]>;
722 // These aren't really mov instructions, but we have to define them this way
723 // due to flag operands.
725 def MOVsrl_flag : AI1<(ops GPR:$dst, GPR:$src),
726 "movs $dst, $src, lsr #1",
727 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>;
728 def MOVsra_flag : AI1<(ops GPR:$dst, GPR:$src),
729 "movs $dst, $src, asr #1",
730 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>;
731 def MOVrx : AI1<(ops GPR:$dst, GPR:$src),
732 "mov $dst, $src, rrx",
733 [(set GPR:$dst, (ARMrrx GPR:$src))]>;
736 //===----------------------------------------------------------------------===//
737 // Extend Instructions.
742 defm SXTB : AI_unary_rrot<"sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
743 defm SXTH : AI_unary_rrot<"sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
745 defm SXTAB : AI_bin_rrot<"sxtab",
746 BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
747 defm SXTAH : AI_bin_rrot<"sxtah",
748 BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
750 // TODO: SXT(A){B|H}16
754 let AddedComplexity = 16 in {
755 defm UXTB : AI_unary_rrot<"uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
756 defm UXTH : AI_unary_rrot<"uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
757 defm UXTB16 : AI_unary_rrot<"uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
759 def : ARMV6Pat<(and (shl GPR:$Src, 8), 0xFF00FF),
760 (UXTB16r_rot GPR:$Src, 24)>;
761 def : ARMV6Pat<(and (srl GPR:$Src, 8), 0xFF00FF),
762 (UXTB16r_rot GPR:$Src, 8)>;
764 defm UXTAB : AI_bin_rrot<"uxtab",
765 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
766 defm UXTAH : AI_bin_rrot<"uxtah",
767 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
770 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
771 //defm UXTAB16 : xxx<"uxtab16", 0xff00ff>;
773 // TODO: UXT(A){B|H}16
775 //===----------------------------------------------------------------------===//
776 // Arithmetic Instructions.
779 defm ADD : AI1_bin_irs<"add" , BinOpFrag<(add node:$LHS, node:$RHS)>>;
780 defm ADDS : AI1_bin_irs<"adds", BinOpFrag<(addc node:$LHS, node:$RHS)>>;
781 defm ADC : AI1_bin_irs<"adc" , BinOpFrag<(adde node:$LHS, node:$RHS)>>;
782 defm SUB : AI1_bin_irs<"sub" , BinOpFrag<(sub node:$LHS, node:$RHS)>>;
783 defm SUBS : AI1_bin_irs<"subs", BinOpFrag<(subc node:$LHS, node:$RHS)>>;
784 defm SBC : AI1_bin_irs<"sbc" , BinOpFrag<(sube node:$LHS, node:$RHS)>>;
786 // These don't define reg/reg forms, because they are handled above.
787 defm RSB : AI1_bin_is <"rsb" , BinOpFrag<(sub node:$RHS, node:$LHS)>>;
788 defm RSBS : AI1_bin_is <"rsbs", BinOpFrag<(subc node:$RHS, node:$LHS)>>;
789 defm RSC : AI1_bin_is <"rsc" , BinOpFrag<(sube node:$RHS, node:$LHS)>>;
791 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
792 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
793 (SUBri GPR:$src, so_imm_neg:$imm)>;
795 //def : ARMPat<(addc GPR:$src, so_imm_neg:$imm),
796 // (SUBSri GPR:$src, so_imm_neg:$imm)>;
797 //def : ARMPat<(adde GPR:$src, so_imm_neg:$imm),
798 // (SBCri GPR:$src, so_imm_neg:$imm)>;
800 // Note: These are implemented in C++ code, because they have to generate
801 // ADD/SUBrs instructions, which use a complex pattern that a xform function
803 // (mul X, 2^n+1) -> (add (X << n), X)
804 // (mul X, 2^n-1) -> (rsb X, (X << n))
807 //===----------------------------------------------------------------------===//
808 // Bitwise Instructions.
811 defm AND : AI1_bin_irs<"and", BinOpFrag<(and node:$LHS, node:$RHS)>>;
812 defm ORR : AI1_bin_irs<"orr", BinOpFrag<(or node:$LHS, node:$RHS)>>;
813 defm EOR : AI1_bin_irs<"eor", BinOpFrag<(xor node:$LHS, node:$RHS)>>;
814 defm BIC : AI1_bin_irs<"bic", BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
816 def MVNr : AI<(ops GPR:$dst, GPR:$src),
817 "mvn $dst, $src", [(set GPR:$dst, (not GPR:$src))]>;
818 def MVNs : AI<(ops GPR:$dst, so_reg:$src),
819 "mvn $dst, $src", [(set GPR:$dst, (not so_reg:$src))]>;
820 let isReMaterializable = 1 in
821 def MVNi : AI<(ops GPR:$dst, so_imm:$imm),
822 "mvn $dst, $imm", [(set GPR:$dst, so_imm_not:$imm)]>;
824 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
825 (BICri GPR:$src, so_imm_not:$imm)>;
827 //===----------------------------------------------------------------------===//
828 // Multiply Instructions.
831 // AI_orr - Defines a (op r, r) pattern.
832 class AI_orr<string opc, SDNode opnode>
833 : AI<(ops GPR:$dst, GPR:$a, GPR:$b),
834 !strconcat(opc, " $dst, $a, $b"),
835 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]>;
837 // AI_oorr - Defines a (op (op r, r), r) pattern.
838 class AI_oorr<string opc, SDNode opnode1, SDNode opnode2>
839 : AI<(ops GPR:$dst, GPR:$a, GPR:$b, GPR:$c),
840 !strconcat(opc, " $dst, $a, $b, $c"),
841 [(set GPR:$dst, (opnode1 (opnode2 GPR:$a, GPR:$b), GPR:$c))]>;
843 def MUL : AI_orr<"mul", mul>;
844 def MLA : AI_oorr<"mla", add, mul>;
846 // Extra precision multiplies with low / high results
847 def SMULL : AI<(ops GPR:$ldst, GPR:$hdst, GPR:$a, GPR:$b),
848 "smull $ldst, $hdst, $a, $b",
851 def UMULL : AI<(ops GPR:$ldst, GPR:$hdst, GPR:$a, GPR:$b),
852 "umull $ldst, $hdst, $a, $b",
855 // Multiply + accumulate
856 def SMLAL : AI<(ops GPR:$ldst, GPR:$hdst, GPR:$a, GPR:$b),
857 "smlal $ldst, $hdst, $a, $b",
860 def UMLAL : AI<(ops GPR:$ldst, GPR:$hdst, GPR:$a, GPR:$b),
861 "umlal $ldst, $hdst, $a, $b",
864 def UMAAL : AI<(ops GPR:$ldst, GPR:$hdst, GPR:$a, GPR:$b),
865 "umaal $ldst, $hdst, $a, $b",
866 []>, Requires<[IsARM, HasV6]>;
868 // Most significant word multiply
869 def SMMUL : AI_orr<"smmul", mulhs>, Requires<[IsARM, HasV6]>;
870 def SMMLA : AI_oorr<"smmla", add, mulhs>, Requires<[IsARM, HasV6]>;
873 def SMMLS : AI<(ops GPR:$dst, GPR:$a, GPR:$b, GPR:$c),
874 "smmls $dst, $a, $b, $c",
875 [(set GPR:$dst, (sub GPR:$c, (mulhs GPR:$a, GPR:$b)))]>,
876 Requires<[IsARM, HasV6]>;
878 multiclass AI_smul<string opc, PatFrag opnode> {
879 def BB : AI<(ops GPR:$dst, GPR:$a, GPR:$b),
880 !strconcat(opc, "bb $dst, $a, $b"),
881 [(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16),
882 (sext_inreg GPR:$b, i16)))]>,
883 Requires<[IsARM, HasV5TE]>;
884 def BT : AI<(ops GPR:$dst, GPR:$a, GPR:$b),
885 !strconcat(opc, "bt $dst, $a, $b"),
886 [(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16),
887 (sra GPR:$b, 16)))]>,
888 Requires<[IsARM, HasV5TE]>;
889 def TB : AI<(ops GPR:$dst, GPR:$a, GPR:$b),
890 !strconcat(opc, "tb $dst, $a, $b"),
891 [(set GPR:$dst, (opnode (sra GPR:$a, 16),
892 (sext_inreg GPR:$b, i16)))]>,
893 Requires<[IsARM, HasV5TE]>;
894 def TT : AI<(ops GPR:$dst, GPR:$a, GPR:$b),
895 !strconcat(opc, "tt $dst, $a, $b"),
896 [(set GPR:$dst, (opnode (sra GPR:$a, 16),
897 (sra GPR:$b, 16)))]>,
898 Requires<[IsARM, HasV5TE]>;
899 def WB : AI<(ops GPR:$dst, GPR:$a, GPR:$b),
900 !strconcat(opc, "wb $dst, $a, $b"),
901 [(set GPR:$dst, (sra (opnode GPR:$a,
902 (sext_inreg GPR:$b, i16)), 16))]>,
903 Requires<[IsARM, HasV5TE]>;
904 def WT : AI<(ops GPR:$dst, GPR:$a, GPR:$b),
905 !strconcat(opc, "wt $dst, $a, $b"),
906 [(set GPR:$dst, (sra (opnode GPR:$a,
907 (sra GPR:$b, 16)), 16))]>,
908 Requires<[IsARM, HasV5TE]>;
911 multiclass AI_smla<string opc, PatFrag opnode> {
912 def BB : AI<(ops GPR:$dst, GPR:$a, GPR:$b, GPR:$acc),
913 !strconcat(opc, "bb $dst, $a, $b, $acc"),
914 [(set GPR:$dst, (add GPR:$acc,
915 (opnode (sext_inreg GPR:$a, i16),
916 (sext_inreg GPR:$b, i16))))]>,
917 Requires<[IsARM, HasV5TE]>;
918 def BT : AI<(ops GPR:$dst, GPR:$a, GPR:$b, GPR:$acc),
919 !strconcat(opc, "bt $dst, $a, $b, $acc"),
920 [(set GPR:$dst, (add GPR:$acc, (opnode (sext_inreg GPR:$a, i16),
921 (sra GPR:$b, 16))))]>,
922 Requires<[IsARM, HasV5TE]>;
923 def TB : AI<(ops GPR:$dst, GPR:$a, GPR:$b, GPR:$acc),
924 !strconcat(opc, "tb $dst, $a, $b, $acc"),
925 [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, 16),
926 (sext_inreg GPR:$b, i16))))]>,
927 Requires<[IsARM, HasV5TE]>;
928 def TT : AI<(ops GPR:$dst, GPR:$a, GPR:$b, GPR:$acc),
929 !strconcat(opc, "tt $dst, $a, $b, $acc"),
930 [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, 16),
931 (sra GPR:$b, 16))))]>,
932 Requires<[IsARM, HasV5TE]>;
934 def WB : AI<(ops GPR:$dst, GPR:$a, GPR:$b, GPR:$acc),
935 !strconcat(opc, "wb $dst, $a, $b, $acc"),
936 [(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a,
937 (sext_inreg GPR:$b, i16)), 16)))]>,
938 Requires<[IsARM, HasV5TE]>;
939 def WT : AI<(ops GPR:$dst, GPR:$a, GPR:$b, GPR:$acc),
940 !strconcat(opc, "wt $dst, $a, $b, $acc"),
941 [(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a,
942 (sra GPR:$b, 16)), 16)))]>,
943 Requires<[IsARM, HasV5TE]>;
946 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
947 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
949 // TODO: Halfword multiple accumulate long: SMLAL<x><y>
950 // TODO: Dual halfword multiple: SMUAD, SMUSD, SMLAD, SMLSD, SMLALD, SMLSLD
952 //===----------------------------------------------------------------------===//
953 // Misc. Arithmetic Instructions.
956 def CLZ : AI<(ops GPR:$dst, GPR:$src),
958 [(set GPR:$dst, (ctlz GPR:$src))]>, Requires<[IsARM, HasV5T]>;
960 def REV : AI<(ops GPR:$dst, GPR:$src),
962 [(set GPR:$dst, (bswap GPR:$src))]>, Requires<[IsARM, HasV6]>;
964 def REV16 : AI<(ops GPR:$dst, GPR:$src),
967 (or (and (srl GPR:$src, 8), 0xFF),
968 (or (and (shl GPR:$src, 8), 0xFF00),
969 (or (and (srl GPR:$src, 8), 0xFF0000),
970 (and (shl GPR:$src, 8), 0xFF000000)))))]>,
971 Requires<[IsARM, HasV6]>;
973 def REVSH : AI<(ops GPR:$dst, GPR:$src),
977 (or (srl (and GPR:$src, 0xFFFF), 8),
978 (shl GPR:$src, 8)), i16))]>,
979 Requires<[IsARM, HasV6]>;
981 def PKHBT : AI<(ops GPR:$dst, GPR:$src1, GPR:$src2, i32imm:$shamt),
982 "pkhbt $dst, $src1, $src2, LSL $shamt",
983 [(set GPR:$dst, (or (and GPR:$src1, 0xFFFF),
984 (and (shl GPR:$src2, (i32 imm:$shamt)),
986 Requires<[IsARM, HasV6]>;
988 // Alternate cases for PKHBT where identities eliminate some nodes.
989 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF), (and GPR:$src2, 0xFFFF0000)),
990 (PKHBT GPR:$src1, GPR:$src2, 0)>;
991 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF), (shl GPR:$src2, imm16_31:$shamt)),
992 (PKHBT GPR:$src1, GPR:$src2, imm16_31:$shamt)>;
995 def PKHTB : AI<(ops GPR:$dst, GPR:$src1, GPR:$src2, i32imm:$shamt),
996 "pkhtb $dst, $src1, $src2, ASR $shamt",
997 [(set GPR:$dst, (or (and GPR:$src1, 0xFFFF0000),
998 (and (sra GPR:$src2, imm16_31:$shamt),
999 0xFFFF)))]>, Requires<[IsARM, HasV6]>;
1001 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
1002 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
1003 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000), (srl GPR:$src2, 16)),
1004 (PKHTB GPR:$src1, GPR:$src2, 16)>;
1005 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000),
1006 (and (srl GPR:$src2, imm1_15:$shamt), 0xFFFF)),
1007 (PKHTB GPR:$src1, GPR:$src2, imm1_15:$shamt)>;
1010 //===----------------------------------------------------------------------===//
1011 // Comparison Instructions...
1014 defm CMP : AI1_bin0_irs<"cmp", BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
1015 defm CMN : AI1_bin0_irs<"cmn", BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
1017 def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
1018 (CMNri GPR:$src, so_imm_neg:$imm)>;
1020 // Note that TST/TEQ don't set all the same flags that CMP does!
1021 def TSTrr : AI1<(ops GPR:$a, so_reg:$b), "tst $a, $b", []>;
1022 def TSTri : AI1<(ops GPR:$a, so_imm:$b), "tst $a, $b", []>;
1023 def TEQrr : AI1<(ops GPR:$a, so_reg:$b), "teq $a, $b", []>;
1024 def TEQri : AI1<(ops GPR:$a, so_imm:$b), "teq $a, $b", []>;
1026 // Conditional moves
1027 def MOVCCr : AI<(ops GPR:$dst, GPR:$false, GPR:$true, CCOp:$cc),
1028 "mov$cc $dst, $true",
1029 [(set GPR:$dst, (ARMcmov GPR:$false, GPR:$true, imm:$cc))]>,
1030 RegConstraint<"$false = $dst">;
1032 def MOVCCs : AI<(ops GPR:$dst, GPR:$false, so_reg:$true, CCOp:$cc),
1033 "mov$cc $dst, $true",
1034 [(set GPR:$dst, (ARMcmov GPR:$false, so_reg:$true,imm:$cc))]>,
1035 RegConstraint<"$false = $dst">;
1037 def MOVCCi : AI<(ops GPR:$dst, GPR:$false, so_imm:$true, CCOp:$cc),
1038 "mov$cc $dst, $true",
1039 [(set GPR:$dst, (ARMcmov GPR:$false, so_imm:$true,imm:$cc))]>,
1040 RegConstraint<"$false = $dst">;
1043 // LEApcrel - Load a pc-relative address into a register without offending the
1045 def LEApcrel : AI1<(ops GPR:$dst, i32imm:$label),
1046 !strconcat(!strconcat(".set PCRELV${:uid}, ($label-(",
1047 "${:private}PCRELL${:uid}+8))\n"),
1048 !strconcat("${:private}PCRELL${:uid}:\n\t",
1049 "add $dst, pc, #PCRELV${:uid}")),
1052 def LEApcrelJT : AI1<(ops GPR:$dst, i32imm:$label, i32imm:$id),
1053 !strconcat(!strconcat(".set PCRELV${:uid}, (${label}_${id:no_hash}-(",
1054 "${:private}PCRELL${:uid}+8))\n"),
1055 !strconcat("${:private}PCRELL${:uid}:\n\t",
1056 "add $dst, pc, #PCRELV${:uid}")),
1059 //===----------------------------------------------------------------------===//
1060 // Non-Instruction Patterns
1063 // ConstantPool, GlobalAddress, and JumpTable
1064 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>;
1065 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
1066 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
1067 (LEApcrelJT tjumptable:$dst, imm:$id)>;
1069 // Large immediate handling.
1071 // Two piece so_imms.
1072 def : ARMPat<(i32 so_imm2part:$src),
1073 (ORRri (MOVi (so_imm2part_1 imm:$src)),
1074 (so_imm2part_2 imm:$src))>;
1076 def : ARMPat<(or GPR:$LHS, so_imm2part:$RHS),
1077 (ORRri (ORRri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
1078 (so_imm2part_2 imm:$RHS))>;
1079 def : ARMPat<(xor GPR:$LHS, so_imm2part:$RHS),
1080 (EORri (EORri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
1081 (so_imm2part_2 imm:$RHS))>;
1083 // TODO: add,sub,and, 3-instr forms?
1087 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>;
1089 // zextload i1 -> zextload i8
1090 def : ARMPat<(zextloadi1 addrmode2:$addr), (LDRB addrmode2:$addr)>;
1092 // extload -> zextload
1093 def : ARMPat<(extloadi1 addrmode2:$addr), (LDRB addrmode2:$addr)>;
1094 def : ARMPat<(extloadi8 addrmode2:$addr), (LDRB addrmode2:$addr)>;
1095 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
1097 // truncstore i1 -> truncstore i8
1098 def : Pat<(truncstorei1 GPR:$src, addrmode2:$dst),
1099 (STRB GPR:$src, addrmode2:$dst)>;
1100 def : Pat<(pre_truncsti1 GPR:$src, GPR:$base, am2offset:$offset),
1101 (STRB_PRE GPR:$src, GPR:$base, am2offset:$offset)>;
1102 def : Pat<(post_truncsti1 GPR:$src, GPR:$base, am2offset:$offset),
1103 (STRB_POST GPR:$src, GPR:$base, am2offset:$offset)>;
1106 def : ARMV5TEPat<(mul (sra (shl GPR:$a, 16), 16), (sra (shl GPR:$b, 16), 16)),
1107 (SMULBB GPR:$a, GPR:$b)>;
1108 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
1109 (SMULBB GPR:$a, GPR:$b)>;
1110 def : ARMV5TEPat<(mul (sra (shl GPR:$a, 16), 16), (sra GPR:$b, 16)),
1111 (SMULBT GPR:$a, GPR:$b)>;
1112 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, 16)),
1113 (SMULBT GPR:$a, GPR:$b)>;
1114 def : ARMV5TEPat<(mul (sra GPR:$a, 16), (sra (shl GPR:$b, 16), 16)),
1115 (SMULTB GPR:$a, GPR:$b)>;
1116 def : ARMV5TEPat<(mul (sra GPR:$a, 16), sext_16_node:$b),
1117 (SMULTB GPR:$a, GPR:$b)>;
1118 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, 16), 16)), 16),
1119 (SMULWB GPR:$a, GPR:$b)>;
1120 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), 16),
1121 (SMULWB GPR:$a, GPR:$b)>;
1123 def : ARMV5TEPat<(add GPR:$acc,
1124 (mul (sra (shl GPR:$a, 16), 16),
1125 (sra (shl GPR:$b, 16), 16))),
1126 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
1127 def : ARMV5TEPat<(add GPR:$acc,
1128 (mul sext_16_node:$a, sext_16_node:$b)),
1129 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
1130 def : ARMV5TEPat<(add GPR:$acc,
1131 (mul (sra (shl GPR:$a, 16), 16), (sra GPR:$b, 16))),
1132 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
1133 def : ARMV5TEPat<(add GPR:$acc,
1134 (mul sext_16_node:$a, (sra GPR:$b, 16))),
1135 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
1136 def : ARMV5TEPat<(add GPR:$acc,
1137 (mul (sra GPR:$a, 16), (sra (shl GPR:$b, 16), 16))),
1138 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
1139 def : ARMV5TEPat<(add GPR:$acc,
1140 (mul (sra GPR:$a, 16), sext_16_node:$b)),
1141 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
1142 def : ARMV5TEPat<(add GPR:$acc,
1143 (sra (mul GPR:$a, (sra (shl GPR:$b, 16), 16)), 16)),
1144 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
1145 def : ARMV5TEPat<(add GPR:$acc,
1146 (sra (mul GPR:$a, sext_16_node:$b), 16)),
1147 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
1149 //===----------------------------------------------------------------------===//
1153 include "ARMInstrThumb.td"
1155 //===----------------------------------------------------------------------===//
1156 // Floating Point Support
1159 include "ARMInstrVFP.td"