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 ARMWrapperCall : SDNode<"ARMISD::WrapperCall", SDTIntUnaryOp>;
45 def ARMWrapperJT : SDNode<"ARMISD::WrapperJT", SDTIntBinOp>;
47 def ARMcallseq_start : SDNode<"ISD::CALLSEQ_START", SDT_ARMCallSeq,
48 [SDNPHasChain, SDNPOutFlag]>;
49 def ARMcallseq_end : SDNode<"ISD::CALLSEQ_END", SDT_ARMCallSeq,
50 [SDNPHasChain, SDNPOutFlag]>;
52 def ARMcall : SDNode<"ARMISD::CALL", SDT_ARMcall,
53 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
54 def ARMcall_nolink : SDNode<"ARMISD::CALL_NOLINK", SDT_ARMcall,
55 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
57 def ARMretflag : SDNode<"ARMISD::RET_FLAG", SDTRet,
58 [SDNPHasChain, SDNPOptInFlag]>;
60 def ARMcmov : SDNode<"ARMISD::CMOV", SDT_ARMCMov,
62 def ARMcneg : SDNode<"ARMISD::CNEG", SDT_ARMCMov,
65 def ARMbrcond : SDNode<"ARMISD::BRCOND", SDT_ARMBrcond,
66 [SDNPHasChain, SDNPInFlag, SDNPOutFlag]>;
68 def ARMbrjt : SDNode<"ARMISD::BR_JT", SDT_ARMBrJT,
71 def ARMcmp : SDNode<"ARMISD::CMP", SDT_ARMCmp,
74 def ARMpic_add : SDNode<"ARMISD::PIC_ADD", SDT_ARMPICAdd>;
76 def ARMsrl_flag : SDNode<"ARMISD::SRL_FLAG", SDTIntUnaryOp, [SDNPOutFlag]>;
77 def ARMsra_flag : SDNode<"ARMISD::SRA_FLAG", SDTIntUnaryOp, [SDNPOutFlag]>;
78 def ARMrrx : SDNode<"ARMISD::RRX" , SDTIntUnaryOp, [SDNPInFlag ]>;
80 //===----------------------------------------------------------------------===//
81 // ARM Instruction Predicate Definitions.
83 def HasV5T : Predicate<"Subtarget->hasV5TOps()">;
84 def HasV5TE : Predicate<"Subtarget->hasV5TEOps()">;
85 def HasV6 : Predicate<"Subtarget->hasV6Ops()">;
86 def IsThumb : Predicate<"Subtarget->isThumb()">;
87 def IsARM : Predicate<"!Subtarget->isThumb()">;
89 //===----------------------------------------------------------------------===//
90 // ARM Flag Definitions.
92 class RegConstraint<string C> {
93 string Constraints = C;
96 //===----------------------------------------------------------------------===//
97 // ARM specific transformation functions and pattern fragments.
100 // so_imm_XFORM - Return a so_imm value packed into the format described for
102 def so_imm_XFORM : SDNodeXForm<imm, [{
103 return CurDAG->getTargetConstant(ARM_AM::getSOImmVal(N->getValue()),
107 // so_imm_neg_XFORM - Return a so_imm value packed into the format described for
108 // so_imm_neg def below.
109 def so_imm_neg_XFORM : SDNodeXForm<imm, [{
110 return CurDAG->getTargetConstant(ARM_AM::getSOImmVal(-(int)N->getValue()),
114 // so_imm_not_XFORM - Return a so_imm value packed into the format described for
115 // so_imm_not def below.
116 def so_imm_not_XFORM : SDNodeXForm<imm, [{
117 return CurDAG->getTargetConstant(ARM_AM::getSOImmVal(~(int)N->getValue()),
121 // rot_imm predicate - True if the 32-bit immediate is equal to 8, 16, or 24.
122 def rot_imm : PatLeaf<(i32 imm), [{
123 int32_t v = (int32_t)N->getValue();
124 return v == 8 || v == 16 || v == 24;
127 /// imm1_15 predicate - True if the 32-bit immediate is in the range [1,15].
128 def imm1_15 : PatLeaf<(i32 imm), [{
129 return (int32_t)N->getValue() >= 1 && (int32_t)N->getValue() < 16;
132 /// imm16_31 predicate - True if the 32-bit immediate is in the range [16,31].
133 def imm16_31 : PatLeaf<(i32 imm), [{
134 return (int32_t)N->getValue() >= 16 && (int32_t)N->getValue() < 32;
138 PatLeaf<(imm), [{ return ARM_AM::getSOImmVal(-(int)N->getValue()) != -1; }],
142 PatLeaf<(imm), [{ return ARM_AM::getSOImmVal(~(int)N->getValue()) != -1; }],
145 // sext_16_node predicate - True if the SDNode is sign-extended 16 or more bits.
146 def sext_16_node : PatLeaf<(i32 GPR:$a), [{
147 return TLI.ComputeNumSignBits(SDOperand(N,0)) >= 17;
151 // Break so_imm's up into two pieces. This handles immediates with up to 16
152 // bits set in them. This uses so_imm2part to match and so_imm2part_[12] to
153 // get the first/second pieces.
154 def so_imm2part : PatLeaf<(imm), [{
155 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getValue());
158 def so_imm2part_1 : SDNodeXForm<imm, [{
159 unsigned V = ARM_AM::getSOImmTwoPartFirst((unsigned)N->getValue());
160 return CurDAG->getTargetConstant(ARM_AM::getSOImmVal(V), MVT::i32);
163 def so_imm2part_2 : SDNodeXForm<imm, [{
164 unsigned V = ARM_AM::getSOImmTwoPartSecond((unsigned)N->getValue());
165 return CurDAG->getTargetConstant(ARM_AM::getSOImmVal(V), MVT::i32);
170 //===----------------------------------------------------------------------===//
171 // Operand Definitions.
175 def brtarget : Operand<OtherVT>;
177 // Operand for printing out a condition code.
178 def CCOp : Operand<i32> {
179 let PrintMethod = "printCCOperand";
182 // A list of registers separated by comma. Used by load/store multiple.
183 def reglist : Operand<i32> {
184 let PrintMethod = "printRegisterList";
187 // An operand for the CONSTPOOL_ENTRY pseudo-instruction.
188 def cpinst_operand : Operand<i32> {
189 let PrintMethod = "printCPInstOperand";
192 def jtblock_operand : Operand<i32> {
193 let PrintMethod = "printJTBlockOperand";
197 def pclabel : Operand<i32> {
198 let PrintMethod = "printPCLabel";
201 // shifter_operand operands: so_reg and so_imm.
202 def so_reg : Operand<i32>, // reg reg imm
203 ComplexPattern<i32, 3, "SelectShifterOperandReg",
204 [shl,srl,sra,rotr]> {
205 let PrintMethod = "printSORegOperand";
206 let MIOperandInfo = (ops GPR, GPR, i32imm);
209 // so_imm - Match a 32-bit shifter_operand immediate operand, which is an
210 // 8-bit immediate rotated by an arbitrary number of bits. so_imm values are
211 // represented in the imm field in the same 12-bit form that they are encoded
212 // into so_imm instructions: the 8-bit immediate is the least significant bits
213 // [bits 0-7], the 4-bit shift amount is the next 4 bits [bits 8-11].
214 def so_imm : Operand<i32>,
216 [{ return ARM_AM::getSOImmVal(N->getValue()) != -1; }],
218 let PrintMethod = "printSOImmOperand";
222 // Define ARM specific addressing modes.
224 // addrmode2 := reg +/- reg shop imm
225 // addrmode2 := reg +/- imm12
227 def addrmode2 : Operand<i32>,
228 ComplexPattern<i32, 3, "SelectAddrMode2", []> {
229 let PrintMethod = "printAddrMode2Operand";
230 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
233 def am2offset : Operand<i32>,
234 ComplexPattern<i32, 2, "SelectAddrMode2Offset", []> {
235 let PrintMethod = "printAddrMode2OffsetOperand";
236 let MIOperandInfo = (ops GPR, i32imm);
239 // addrmode3 := reg +/- reg
240 // addrmode3 := reg +/- imm8
242 def addrmode3 : Operand<i32>,
243 ComplexPattern<i32, 3, "SelectAddrMode3", []> {
244 let PrintMethod = "printAddrMode3Operand";
245 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
248 def am3offset : Operand<i32>,
249 ComplexPattern<i32, 2, "SelectAddrMode3Offset", []> {
250 let PrintMethod = "printAddrMode3OffsetOperand";
251 let MIOperandInfo = (ops GPR, i32imm);
254 // addrmode4 := reg, <mode|W>
256 def addrmode4 : Operand<i32>,
257 ComplexPattern<i32, 2, "", []> {
258 let PrintMethod = "printAddrMode4Operand";
259 let MIOperandInfo = (ops GPR, i32imm);
262 // addrmode5 := reg +/- imm8*4
264 def addrmode5 : Operand<i32>,
265 ComplexPattern<i32, 2, "SelectAddrMode5", []> {
266 let PrintMethod = "printAddrMode5Operand";
267 let MIOperandInfo = (ops GPR, i32imm);
270 // addrmodepc := pc + reg
272 def addrmodepc : Operand<i32>,
273 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
274 let PrintMethod = "printAddrModePCOperand";
275 let MIOperandInfo = (ops GPR, i32imm);
278 //===----------------------------------------------------------------------===//
279 // ARM Instruction flags. These need to match ARMInstrInfo.h.
283 class AddrMode<bits<4> val> {
286 def AddrModeNone : AddrMode<0>;
287 def AddrMode1 : AddrMode<1>;
288 def AddrMode2 : AddrMode<2>;
289 def AddrMode3 : AddrMode<3>;
290 def AddrMode4 : AddrMode<4>;
291 def AddrMode5 : AddrMode<5>;
292 def AddrModeT1 : AddrMode<6>;
293 def AddrModeT2 : AddrMode<7>;
294 def AddrModeT4 : AddrMode<8>;
295 def AddrModeTs : AddrMode<9>;
298 class SizeFlagVal<bits<3> val> {
301 def SizeInvalid : SizeFlagVal<0>; // Unset.
302 def SizeSpecial : SizeFlagVal<1>; // Pseudo or special.
303 def Size8Bytes : SizeFlagVal<2>;
304 def Size4Bytes : SizeFlagVal<3>;
305 def Size2Bytes : SizeFlagVal<4>;
307 // Load / store index mode.
308 class IndexMode<bits<2> val> {
311 def IndexModeNone : IndexMode<0>;
312 def IndexModePre : IndexMode<1>;
313 def IndexModePost : IndexMode<2>;
315 //===----------------------------------------------------------------------===//
316 // ARM Instruction templates.
319 // ARMPat - Same as Pat<>, but requires that the compiler be in ARM mode.
320 class ARMPat<dag pattern, dag result> : Pat<pattern, result> {
321 list<Predicate> Predicates = [IsARM];
323 class ARMV6Pat<dag pattern, dag result> : Pat<pattern, result> {
324 list<Predicate> Predicates = [IsARM, HasV6];
328 class InstARM<bits<4> opcod, AddrMode am, SizeFlagVal sz, IndexMode im,
329 dag ops, string asmstr, string cstr>
331 let Namespace = "ARM";
333 bits<4> Opcode = opcod;
335 bits<4> AddrModeBits = AM.Value;
338 bits<3> SizeFlag = SZ.Value;
341 bits<2> IndexModeBits = IM.Value;
343 dag OperandList = ops;
344 let AsmString = asmstr;
345 let Constraints = cstr;
348 class PseudoInst<dag ops, string asm, list<dag> pattern>
349 : InstARM<0, AddrModeNone, SizeSpecial, IndexModeNone, ops, asm, ""> {
350 let Pattern = pattern;
353 class I<dag ops, AddrMode am, SizeFlagVal sz, IndexMode im,
354 string asm, string cstr, list<dag> pattern>
355 // FIXME: Set all opcodes to 0 for now.
356 : InstARM<0, am, sz, im, ops, asm, cstr> {
357 let Pattern = pattern;
358 list<Predicate> Predicates = [IsARM];
361 class AI<dag ops, string asm, list<dag> pattern>
362 : I<ops, AddrModeNone, Size4Bytes, IndexModeNone, asm, "", pattern>;
363 class AI1<dag ops, string asm, list<dag> pattern>
364 : I<ops, AddrMode1, Size4Bytes, IndexModeNone, asm, "", pattern>;
365 class AI2<dag ops, string asm, list<dag> pattern>
366 : I<ops, AddrMode2, Size4Bytes, IndexModeNone, asm, "", pattern>;
367 class AI3<dag ops, string asm, list<dag> pattern>
368 : I<ops, AddrMode3, Size4Bytes, IndexModeNone, asm, "", pattern>;
369 class AI4<dag ops, string asm, list<dag> pattern>
370 : I<ops, AddrMode4, Size4Bytes, IndexModeNone, asm, "", pattern>;
371 class AIx2<dag ops, string asm, list<dag> pattern>
372 : I<ops, AddrModeNone, Size8Bytes, IndexModeNone, asm, "", pattern>;
375 class AI2pr<dag ops, string asm, string cstr, list<dag> pattern>
376 : I<ops, AddrMode2, Size4Bytes, IndexModePre, asm, cstr, pattern>;
377 class AI3pr<dag ops, string asm, string cstr, list<dag> pattern>
378 : I<ops, AddrMode3, Size4Bytes, IndexModePre, asm, cstr, pattern>;
381 class AI2po<dag ops, string asm, string cstr, list<dag> pattern>
382 : I<ops, AddrMode2, Size4Bytes, IndexModePost, asm, cstr, pattern>;
383 class AI3po<dag ops, string asm, string cstr, list<dag> pattern>
384 : I<ops, AddrMode3, Size4Bytes, IndexModePost, asm, cstr, pattern>;
386 // BR_JT instructions
387 class JTI<dag ops, string asm, list<dag> pattern>
388 : I<ops, AddrModeNone, SizeSpecial, IndexModeNone, asm, "", pattern>;
389 class JTI1<dag ops, string asm, list<dag> pattern>
390 : I<ops, AddrMode1, SizeSpecial, IndexModeNone, asm, "", pattern>;
391 class JTI2<dag ops, string asm, list<dag> pattern>
392 : I<ops, AddrMode2, SizeSpecial, IndexModeNone, asm, "", pattern>;
395 class BinOpFrag<dag res> : PatFrag<(ops node:$LHS, node:$RHS), res>;
396 class UnOpFrag <dag res> : PatFrag<(ops node:$Src), res>;
399 /// AI1_bin_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns for a
400 /// binop that produces a value.
401 multiclass AI1_bin_irs<string opc, PatFrag opnode> {
402 def ri : AI1<(ops GPR:$dst, GPR:$a, so_imm:$b),
403 !strconcat(opc, " $dst, $a, $b"),
404 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]>;
405 def rr : AI1<(ops GPR:$dst, GPR:$a, GPR:$b),
406 !strconcat(opc, " $dst, $a, $b"),
407 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]>;
408 def rs : AI1<(ops GPR:$dst, GPR:$a, so_reg:$b),
409 !strconcat(opc, " $dst, $a, $b"),
410 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]>;
413 /// AI1_bin0_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns.
414 /// Similar to AI1_bin_irs except the instruction does not produce a result.
415 multiclass AI1_bin0_irs<string opc, PatFrag opnode> {
416 def ri : AI1<(ops GPR:$a, so_imm:$b),
417 !strconcat(opc, " $a, $b"),
418 [(opnode GPR:$a, so_imm:$b)]>;
419 def rr : AI1<(ops GPR:$a, GPR:$b),
420 !strconcat(opc, " $a, $b"),
421 [(opnode GPR:$a, GPR:$b)]>;
422 def rs : AI1<(ops GPR:$a, so_reg:$b),
423 !strconcat(opc, " $a, $b"),
424 [(opnode GPR:$a, so_reg:$b)]>;
427 /// AI1_bin_is - Defines a set of (op r, {so_imm|so_reg}) patterns for a binop.
428 multiclass AI1_bin_is<string opc, PatFrag opnode> {
429 def ri : AI1<(ops GPR:$dst, GPR:$a, so_imm:$b),
430 !strconcat(opc, " $dst, $a, $b"),
431 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]>;
432 def rs : AI1<(ops GPR:$dst, GPR:$a, so_reg:$b),
433 !strconcat(opc, " $dst, $a, $b"),
434 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]>;
437 /// AI1_unary_irs - Defines a set of (op {so_imm|r|so_reg}) patterns for unary
439 multiclass AI1_unary_irs<string opc, PatFrag opnode> {
440 def i : AI1<(ops GPR:$dst, so_imm:$a),
441 !strconcat(opc, " $dst, $a"),
442 [(set GPR:$dst, (opnode so_imm:$a))]>;
443 def r : AI1<(ops GPR:$dst, GPR:$a),
444 !strconcat(opc, " $dst, $a"),
445 [(set GPR:$dst, (opnode GPR:$a))]>;
446 def s : AI1<(ops GPR:$dst, so_reg:$a),
447 !strconcat(opc, " $dst, $a"),
448 [(set GPR:$dst, (opnode so_reg:$a))]>;
451 /// AI_unary_rrot - A unary operation with two forms: one whose operand is a
452 /// register and one whose operand is a register rotated by 8/16/24.
453 multiclass AI_unary_rrot<string opc, PatFrag opnode> {
454 def r : AI<(ops GPR:$dst, GPR:$Src),
455 !strconcat(opc, " $dst, $Src"),
456 [(set GPR:$dst, (opnode GPR:$Src))]>, Requires<[IsARM, HasV6]>;
457 def r_rot : AI<(ops GPR:$dst, GPR:$Src, i32imm:$rot),
458 !strconcat(opc, " $dst, $Src, ror $rot"),
459 [(set GPR:$dst, (opnode (rotr GPR:$Src, rot_imm:$rot)))]>,
460 Requires<[IsARM, HasV6]>;
463 /// AI_bin_rrot - A binary operation with two forms: one whose operand is a
464 /// register and one whose operand is a register rotated by 8/16/24.
465 multiclass AI_bin_rrot<string opc, PatFrag opnode> {
466 def rr : AI<(ops GPR:$dst, GPR:$LHS, GPR:$RHS),
467 !strconcat(opc, " $dst, $LHS, $RHS"),
468 [(set GPR:$dst, (opnode GPR:$LHS, GPR:$RHS))]>,
469 Requires<[IsARM, HasV6]>;
470 def rr_rot : AI<(ops GPR:$dst, GPR:$LHS, GPR:$RHS, i32imm:$rot),
471 !strconcat(opc, " $dst, $LHS, $RHS, ror $rot"),
472 [(set GPR:$dst, (opnode GPR:$LHS,
473 (rotr GPR:$RHS, rot_imm:$rot)))]>,
474 Requires<[IsARM, HasV6]>;
478 //===----------------------------------------------------------------------===//
480 //===----------------------------------------------------------------------===//
482 //===----------------------------------------------------------------------===//
483 // Miscellaneous Instructions.
485 def IMPLICIT_DEF_GPR :
486 PseudoInst<(ops GPR:$rD),
487 "@ IMPLICIT_DEF_GPR $rD",
488 [(set GPR:$rD, (undef))]>;
491 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
492 /// the function. The first operand is the ID# for this instruction, the second
493 /// is the index into the MachineConstantPool that this is, the third is the
494 /// size in bytes of this constant pool entry.
495 def CONSTPOOL_ENTRY :
496 PseudoInst<(ops cpinst_operand:$instid, cpinst_operand:$cpidx, i32imm:$size),
497 "${instid:label} ${cpidx:cpentry}", []>;
500 PseudoInst<(ops i32imm:$amt),
501 "@ ADJCALLSTACKUP $amt",
502 [(ARMcallseq_end imm:$amt)]>, Imp<[SP],[SP]>;
504 def ADJCALLSTACKDOWN :
505 PseudoInst<(ops i32imm:$amt),
506 "@ ADJCALLSTACKDOWN $amt",
507 [(ARMcallseq_start imm:$amt)]>, Imp<[SP],[SP]>;
510 PseudoInst<(ops i32imm:$line, i32imm:$col, i32imm:$file),
511 ".loc $file, $line, $col",
512 [(dwarf_loc (i32 imm:$line), (i32 imm:$col), (i32 imm:$file))]>;
515 PseudoInst<(ops i32imm:$id),
516 "\nLdebug_loc${id:no_hash}:",
517 [(dwarf_label (i32 imm:$id))]>;
519 def PICADD : AI1<(ops GPR:$dst, GPR:$a, pclabel:$cp),
520 "\n$cp:\n\tadd $dst, pc, $a",
521 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
522 let AddedComplexity = 10 in
523 def PICLD : AI2<(ops GPR:$dst, addrmodepc:$addr),
524 "\n${addr:label}:\n\tldr $dst, $addr",
525 [(set GPR:$dst, (load addrmodepc:$addr))]>;
527 //===----------------------------------------------------------------------===//
528 // Control Flow Instructions.
531 let isReturn = 1, isTerminator = 1 in
532 def BX_RET : AI<(ops), "bx lr", [(ARMretflag)]>;
534 // FIXME: remove when we have a way to marking a MI with these properties.
535 let isLoad = 1, isReturn = 1, isTerminator = 1 in
536 def LDM_RET : AI4<(ops addrmode4:$addr, reglist:$dst1, variable_ops),
537 "ldm${addr:submode} $addr, $dst1",
540 let isCall = 1, noResults = 1,
541 Defs = [R0, R1, R2, R3, R12, LR,
542 D0, D1, D2, D3, D4, D5, D6, D7] in {
543 def BL : AI<(ops i32imm:$func, variable_ops),
545 [(ARMcall tglobaladdr:$func)]>;
547 def BLX : AI<(ops GPR:$dst, variable_ops),
549 [(ARMcall GPR:$dst)]>, Requires<[IsARM, HasV5T]>;
551 def BX : AIx2<(ops GPR:$dst, variable_ops),
552 "mov lr, pc\n\tbx $dst",
553 [(ARMcall_nolink GPR:$dst)]>;
556 let isBranch = 1, isTerminator = 1, isBarrier = 1 in {
557 def B : AI<(ops brtarget:$dst), "b $dst",
560 def BR_JTr : JTI<(ops GPR:$dst, jtblock_operand:$jt, i32imm:$id),
561 "mov pc, $dst \n$jt",
562 [(ARMbrjt GPR:$dst, tjumptable:$jt, imm:$id)]>;
563 def BR_JTm : JTI2<(ops addrmode2:$dst, jtblock_operand:$jt, i32imm:$id),
564 "ldr pc, $dst \n$jt",
565 [(ARMbrjt (i32 (load addrmode2:$dst)), tjumptable:$jt,
567 def BR_JTadd : JTI1<(ops GPR:$dst, GPR:$idx, jtblock_operand:$jt, i32imm:$id),
568 "add pc, $dst, $idx \n$jt",
569 [(ARMbrjt (add GPR:$dst, GPR:$idx), tjumptable:$jt,
573 let isBranch = 1, isTerminator = 1, noResults = 1, isBarrier = 1 in
574 def Bcc : AI<(ops brtarget:$dst, CCOp:$cc), "b$cc $dst",
575 [(ARMbrcond bb:$dst, imm:$cc)]>;
577 //===----------------------------------------------------------------------===//
578 // Load / store Instructions.
583 def LDR : AI2<(ops GPR:$dst, addrmode2:$addr),
585 [(set GPR:$dst, (load addrmode2:$addr))]>;
587 // Loads with zero extension
588 def LDRH : AI3<(ops GPR:$dst, addrmode3:$addr),
590 [(set GPR:$dst, (zextloadi16 addrmode3:$addr))]>;
592 def LDRB : AI2<(ops GPR:$dst, addrmode2:$addr),
594 [(set GPR:$dst, (zextloadi8 addrmode2:$addr))]>;
596 // Loads with sign extension
597 def LDRSH : AI3<(ops GPR:$dst, addrmode3:$addr),
599 [(set GPR:$dst, (sextloadi16 addrmode3:$addr))]>;
601 def LDRSB : AI3<(ops GPR:$dst, addrmode3:$addr),
603 [(set GPR:$dst, (sextloadi8 addrmode3:$addr))]>;
606 def LDRD : AI3<(ops GPR:$dst, addrmode3:$addr),
608 []>, Requires<[IsARM, HasV5T]>;
611 def LDR_PRE : AI2pr<(ops GPR:$dst, GPR:$base_wb, addrmode2:$addr),
612 "ldr $dst, $addr!", "$addr.base = $base_wb", []>;
614 def LDR_POST : AI2po<(ops GPR:$dst, GPR:$base_wb, GPR:$base, am2offset:$offset),
615 "ldr $dst, [$base], $offset", "$base = $base_wb", []>;
617 def LDRH_PRE : AI3pr<(ops GPR:$dst, GPR:$base_wb, addrmode3:$addr),
618 "ldrh $dst, $addr!", "$addr.base = $base_wb", []>;
620 def LDRH_POST : AI3po<(ops GPR:$dst, GPR:$base_wb, GPR:$base,am3offset:$offset),
621 "ldrh $dst, [$base], $offset", "$base = $base_wb", []>;
623 def LDRB_PRE : AI2pr<(ops GPR:$dst, GPR:$base_wb, addrmode2:$addr),
624 "ldrb $dst, $addr!", "$addr.base = $base_wb", []>;
626 def LDRB_POST : AI2po<(ops GPR:$dst, GPR:$base_wb, GPR:$base,am2offset:$offset),
627 "ldrb $dst, [$base], $offset", "$base = $base_wb", []>;
629 def LDRSH_PRE : AI3pr<(ops GPR:$dst, GPR:$base_wb, addrmode3:$addr),
630 "ldrsh $dst, $addr!", "$addr.base = $base_wb", []>;
632 def LDRSH_POST: AI3po<(ops GPR:$dst, GPR:$base_wb, GPR:$base,am3offset:$offset),
633 "ldrsh $dst, [$base], $offset", "$base = $base_wb", []>;
635 def LDRSB_PRE : AI3pr<(ops GPR:$dst, GPR:$base_wb, addrmode3:$addr),
636 "ldrsb $dst, $addr!", "$addr.base = $base_wb", []>;
638 def LDRSB_POST: AI3po<(ops GPR:$dst, GPR:$base_wb, GPR:$base,am3offset:$offset),
639 "ldrsb $dst, [$base], $offset", "$base = $base_wb", []>;
644 def STR : AI2<(ops GPR:$src, addrmode2:$addr),
646 [(store GPR:$src, addrmode2:$addr)]>;
648 // Stores with truncate
649 def STRH : AI3<(ops GPR:$src, addrmode3:$addr),
651 [(truncstorei16 GPR:$src, addrmode3:$addr)]>;
653 def STRB : AI2<(ops GPR:$src, addrmode2:$addr),
655 [(truncstorei8 GPR:$src, addrmode2:$addr)]>;
658 def STRD : AI3<(ops GPR:$src, addrmode3:$addr),
660 []>, Requires<[IsARM, HasV5T]>;
663 def STR_PRE : AI2pr<(ops GPR:$base_wb, GPR:$src, GPR:$base, am2offset:$offset),
664 "str $src, [$base, $offset]!", "$base = $base_wb",
666 (pre_store GPR:$src, GPR:$base, am2offset:$offset))]>;
668 def STR_POST : AI2po<(ops GPR:$base_wb, GPR:$src, GPR:$base,am2offset:$offset),
669 "str $src, [$base], $offset", "$base = $base_wb",
671 (post_store GPR:$src, GPR:$base, am2offset:$offset))]>;
673 def STRH_PRE : AI3pr<(ops GPR:$base_wb, GPR:$src, GPR:$base,am3offset:$offset),
674 "strh $src, [$base, $offset]!", "$base = $base_wb",
676 (pre_truncsti16 GPR:$src, GPR:$base,am3offset:$offset))]>;
678 def STRH_POST: AI3po<(ops GPR:$base_wb, GPR:$src, GPR:$base,am3offset:$offset),
679 "strh $src, [$base], $offset", "$base = $base_wb",
680 [(set GPR:$base_wb, (post_truncsti16 GPR:$src,
681 GPR:$base, am3offset:$offset))]>;
683 def STRB_PRE : AI2pr<(ops GPR:$base_wb, GPR:$src, GPR:$base,am2offset:$offset),
684 "strb $src, [$base, $offset]!", "$base = $base_wb",
685 [(set GPR:$base_wb, (pre_truncsti8 GPR:$src,
686 GPR:$base, am2offset:$offset))]>;
688 def STRB_POST: AI2po<(ops GPR:$base_wb, GPR:$src, GPR:$base,am2offset:$offset),
689 "strb $src, [$base], $offset", "$base = $base_wb",
690 [(set GPR:$base_wb, (post_truncsti8 GPR:$src,
691 GPR:$base, am2offset:$offset))]>;
694 //===----------------------------------------------------------------------===//
695 // Load / store multiple Instructions.
699 def LDM : AI4<(ops addrmode4:$addr, reglist:$dst1, variable_ops),
700 "ldm${addr:submode} $addr, $dst1",
704 def STM : AI4<(ops addrmode4:$addr, reglist:$src1, variable_ops),
705 "stm${addr:submode} $addr, $src1",
708 //===----------------------------------------------------------------------===//
709 // Move Instructions.
712 def MOVrr : AI1<(ops GPR:$dst, GPR:$src),
713 "mov $dst, $src", []>;
714 def MOVrs : AI1<(ops GPR:$dst, so_reg:$src),
715 "mov $dst, $src", [(set GPR:$dst, so_reg:$src)]>;
716 def MOVri : AI1<(ops GPR:$dst, so_imm:$src),
717 "mov $dst, $src", [(set GPR:$dst, so_imm:$src)]>;
719 // These aren't really mov instructions, but we have to define them this way
720 // due to flag operands.
722 def MOVsrl_flag : AI1<(ops GPR:$dst, GPR:$src),
723 "movs $dst, $src, lsr #1",
724 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>;
725 def MOVsra_flag : AI1<(ops GPR:$dst, GPR:$src),
726 "movs $dst, $src, asr #1",
727 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>;
728 def MOVrrx : AI1<(ops GPR:$dst, GPR:$src),
729 "mov $dst, $src, rrx",
730 [(set GPR:$dst, (ARMrrx GPR:$src))]>;
733 //===----------------------------------------------------------------------===//
734 // Extend Instructions.
739 defm SXTB : AI_unary_rrot<"sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
740 defm SXTH : AI_unary_rrot<"sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
742 defm SXTAB : AI_bin_rrot<"sxtab",
743 BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
744 defm SXTAH : AI_bin_rrot<"sxtah",
745 BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
747 // TODO: SXT(A){B|H}16
751 let AddedComplexity = 16 in {
752 defm UXTB : AI_unary_rrot<"uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
753 defm UXTH : AI_unary_rrot<"uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
754 defm UXTB16 : AI_unary_rrot<"uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
756 def : ARMV6Pat<(and (shl GPR:$Src, 8), 0xFF00FF),
757 (UXTB16r_rot GPR:$Src, 24)>;
758 def : ARMV6Pat<(and (srl GPR:$Src, 8), 0xFF00FF),
759 (UXTB16r_rot GPR:$Src, 8)>;
761 defm UXTAB : AI_bin_rrot<"uxtab",
762 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
763 defm UXTAH : AI_bin_rrot<"uxtah",
764 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
767 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
768 //defm UXTAB16 : xxx<"uxtab16", 0xff00ff>;
770 // TODO: UXT(A){B|H}16
772 //===----------------------------------------------------------------------===//
773 // Arithmetic Instructions.
776 defm ADD : AI1_bin_irs<"add" , BinOpFrag<(add node:$LHS, node:$RHS)>>;
777 defm ADDS : AI1_bin_irs<"adds", BinOpFrag<(addc node:$LHS, node:$RHS)>>;
778 defm ADC : AI1_bin_irs<"adc" , BinOpFrag<(adde node:$LHS, node:$RHS)>>;
779 defm SUB : AI1_bin_irs<"sub" , BinOpFrag<(sub node:$LHS, node:$RHS)>>;
780 defm SUBS : AI1_bin_irs<"subs", BinOpFrag<(subc node:$LHS, node:$RHS)>>;
781 defm SBC : AI1_bin_irs<"sbc" , BinOpFrag<(sube node:$LHS, node:$RHS)>>;
783 // These don't define reg/reg forms, because they are handled above.
784 defm RSB : AI1_bin_is <"rsb" , BinOpFrag<(sub node:$RHS, node:$LHS)>>;
785 defm RSBS : AI1_bin_is <"rsbs", BinOpFrag<(subc node:$RHS, node:$LHS)>>;
786 defm RSC : AI1_bin_is <"rsc" , BinOpFrag<(sube node:$RHS, node:$LHS)>>;
788 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
789 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
790 (SUBri GPR:$src, so_imm_neg:$imm)>;
792 //def : ARMPat<(addc GPR:$src, so_imm_neg:$imm),
793 // (SUBSri GPR:$src, so_imm_neg:$imm)>;
794 //def : ARMPat<(adde GPR:$src, so_imm_neg:$imm),
795 // (SBCri GPR:$src, so_imm_neg:$imm)>;
797 // Note: These are implemented in C++ code, because they have to generate
798 // ADD/SUBrs instructions, which use a complex pattern that a xform function
800 // (mul X, 2^n+1) -> (add (X << n), X)
801 // (mul X, 2^n-1) -> (rsb X, (X << n))
804 //===----------------------------------------------------------------------===//
805 // Bitwise Instructions.
808 defm AND : AI1_bin_irs<"and", BinOpFrag<(and node:$LHS, node:$RHS)>>;
809 defm ORR : AI1_bin_irs<"orr", BinOpFrag<(or node:$LHS, node:$RHS)>>;
810 defm EOR : AI1_bin_irs<"eor", BinOpFrag<(xor node:$LHS, node:$RHS)>>;
811 defm BIC : AI1_bin_irs<"bic", BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
813 defm MVN : AI1_unary_irs<"mvn", not>;
815 def : ARMPat<(i32 so_imm_not:$imm),
816 (MVNi so_imm_not:$imm)>;
818 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
819 (BICri GPR:$src, so_imm_not:$imm)>;
821 //===----------------------------------------------------------------------===//
822 // Multiply Instructions.
825 // AI_orr - Defines a (op r, r) pattern.
826 class AI_orr<string opc, SDNode opnode>
827 : AI<(ops GPR:$dst, GPR:$a, GPR:$b),
828 !strconcat(opc, " $dst, $a, $b"),
829 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]>;
831 // AI_oorr - Defines a (op (op r, r), r) pattern.
832 class AI_oorr<string opc, SDNode opnode1, SDNode opnode2>
833 : AI<(ops GPR:$dst, GPR:$a, GPR:$b, GPR:$c),
834 !strconcat(opc, " $dst, $a, $b, $c"),
835 [(set GPR:$dst, (opnode1 (opnode2 GPR:$a, GPR:$b), GPR:$c))]>;
837 def MUL : AI_orr<"mul", mul>;
838 def MLA : AI_oorr<"mla", add, mul>;
840 // Extra precision multiplies with low / high results
841 def SMULL : AI<(ops GPR:$ldst, GPR:$hdst, GPR:$a, GPR:$b),
842 "smull $ldst, $hdst, $a, $b",
845 def UMULL : AI<(ops GPR:$ldst, GPR:$hdst, GPR:$a, GPR:$b),
846 "umull $ldst, $hdst, $a, $b",
849 // Multiply + accumulate
850 def SMLAL : AI<(ops GPR:$ldst, GPR:$hdst, GPR:$a, GPR:$b),
851 "smlal $ldst, $hdst, $a, $b",
854 def UMLAL : AI<(ops GPR:$ldst, GPR:$hdst, GPR:$a, GPR:$b),
855 "umlal $ldst, $hdst, $a, $b",
858 def UMAAL : AI<(ops GPR:$ldst, GPR:$hdst, GPR:$a, GPR:$b),
859 "umaal $ldst, $hdst, $a, $b",
860 []>, Requires<[IsARM, HasV6]>;
862 // Most significant word multiply
863 def SMMUL : AI_orr<"smmul", mulhs>, Requires<[IsARM, HasV6]>;
864 def SMMLA : AI_oorr<"smmla", add, mulhs>, Requires<[IsARM, HasV6]>;
867 def SMMLS : AI<(ops GPR:$dst, GPR:$a, GPR:$b, GPR:$c),
868 "smmls $dst, $a, $b, $c",
869 [(set GPR:$dst, (sub GPR:$c, (mulhs GPR:$a, GPR:$b)))]>,
870 Requires<[IsARM, HasV6]>;
872 multiclass AI_smul<string opc, PatFrag opnode> {
873 def BB1 : AI<(ops GPR:$dst, GPR:$a, GPR:$b),
874 !strconcat(opc, "bb $dst, $a, $b"),
875 [(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16),
876 (sext_inreg GPR:$b, i16)))]>,
877 Requires<[IsARM, HasV5TE]>;
878 def BB2 : AI<(ops GPR:$dst, GPR:$a, GPR:$b),
879 !strconcat(opc, "bb $dst, $a, $b"),
880 [(set GPR:$dst, (opnode (sra (shl GPR:$a, 16), 16),
881 (sra (shl GPR:$b, 16), 16)))]>,
882 Requires<[IsARM, HasV5TE]>;
883 def BB3 : AI<(ops GPR:$dst, GPR:$a, GPR:$b),
884 !strconcat(opc, "bb $dst, $a, $b"),
885 [(set GPR:$dst, (opnode sext_16_node:$a, sext_16_node:$b))]>,
886 Requires<[IsARM, HasV5TE]>;
888 def BT1 : AI<(ops GPR:$dst, GPR:$a, GPR:$b),
889 !strconcat(opc, "bt $dst, $a, $b"),
890 [(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16),
891 (sra GPR:$b, 16)))]>,
892 Requires<[IsARM, HasV5TE]>;
893 def BT2 : AI<(ops GPR:$dst, GPR:$a, GPR:$b),
894 !strconcat(opc, "bt $dst, $a, $b"),
895 [(set GPR:$dst, (opnode (sra (shl GPR:$a, 16), 16),
896 (sra GPR:$b, 16)))]>,
897 Requires<[IsARM, HasV5TE]>;
898 def BT3 : AI<(ops GPR:$dst, GPR:$a, GPR:$b),
899 !strconcat(opc, "bt $dst, $a, $b"),
900 [(set GPR:$dst, (opnode sext_16_node:$a, (sra GPR:$b, 16)))]>,
901 Requires<[IsARM, HasV5TE]>;
903 def TB1 : AI<(ops GPR:$dst, GPR:$a, GPR:$b),
904 !strconcat(opc, "tb $dst, $a, $b"),
905 [(set GPR:$dst, (opnode (sra GPR:$a, 16),
906 (sext_inreg GPR:$b, i16)))]>,
907 Requires<[IsARM, HasV5TE]>;
908 def TB2 : AI<(ops GPR:$dst, GPR:$a, GPR:$b),
909 !strconcat(opc, "tb $dst, $a, $b"),
910 [(set GPR:$dst, (opnode (sra GPR:$a, 16),
911 (sra (shl GPR:$b, 16), 16)))]>,
912 Requires<[IsARM, HasV5TE]>;
913 def TB3 : AI<(ops GPR:$dst, GPR:$a, GPR:$b),
914 !strconcat(opc, "tb $dst, $a, $b"),
915 [(set GPR:$dst, (opnode (sra GPR:$a, 16), sext_16_node:$b))]>,
916 Requires<[IsARM, HasV5TE]>;
918 def TT : AI<(ops GPR:$dst, GPR:$a, GPR:$b),
919 !strconcat(opc, "tt $dst, $a, $b"),
920 [(set GPR:$dst, (opnode (sra GPR:$a, 16),
921 (sra GPR:$b, 16)))]>,
922 Requires<[IsARM, HasV5TE]>;
924 def WB1 : AI<(ops GPR:$dst, GPR:$a, GPR:$b),
925 !strconcat(opc, "wb $dst, $a, $b"),
926 [(set GPR:$dst, (sra (opnode GPR:$a,
927 (sext_inreg GPR:$b, i16)), 16))]>,
928 Requires<[IsARM, HasV5TE]>;
929 def WB2 : AI<(ops GPR:$dst, GPR:$a, GPR:$b),
930 !strconcat(opc, "wb $dst, $a, $b"),
931 [(set GPR:$dst, (sra (opnode GPR:$a,
932 (sra (shl GPR:$b, 16), 16)), 16))]>,
933 Requires<[IsARM, HasV5TE]>;
934 def WB3 : AI<(ops GPR:$dst, GPR:$a, GPR:$b),
935 !strconcat(opc, "wb $dst, $a, $b"),
936 [(set GPR:$dst, (sra (opnode GPR:$a, sext_16_node:$b), 16))]>,
937 Requires<[IsARM, HasV5TE]>;
939 def WT : AI<(ops GPR:$dst, GPR:$a, GPR:$b),
940 !strconcat(opc, "wt $dst, $a, $b"),
941 [(set GPR:$dst, (sra (opnode GPR:$a,
942 (sra GPR:$b, 16)), 16))]>,
943 Requires<[IsARM, HasV5TE]>;
946 multiclass AI_smla<string opc, PatFrag opnode> {
947 def BB1 : AI<(ops GPR:$dst, GPR:$a, GPR:$b, GPR:$acc),
948 !strconcat(opc, "bb $dst, $a, $b, $acc"),
949 [(set GPR:$dst, (add GPR:$acc,
950 (opnode (sext_inreg GPR:$a, i16),
951 (sext_inreg GPR:$b, i16))))]>,
952 Requires<[IsARM, HasV5TE]>;
953 def BB2 : AI<(ops GPR:$dst, GPR:$a, GPR:$b, GPR:$acc),
954 !strconcat(opc, "bb $dst, $a, $b, $acc"),
955 [(set GPR:$dst, (add GPR:$acc,
956 (opnode (sra (shl GPR:$a, 16), 16),
957 (sra (shl GPR:$b, 16), 16))))]>,
958 Requires<[IsARM, HasV5TE]>;
959 def BB3 : AI<(ops GPR:$dst, GPR:$a, GPR:$b, GPR:$acc),
960 !strconcat(opc, "bb $dst, $a, $b, $acc"),
961 [(set GPR:$dst, (add GPR:$acc,
962 (opnode sext_16_node:$a, sext_16_node:$b)))]>,
963 Requires<[IsARM, HasV5TE]>;
965 def BT1 : AI<(ops GPR:$dst, GPR:$a, GPR:$b, GPR:$acc),
966 !strconcat(opc, "bt $dst, $a, $b, $acc"),
967 [(set GPR:$dst, (add GPR:$acc, (opnode (sext_inreg GPR:$a, i16),
968 (sra GPR:$b, 16))))]>,
969 Requires<[IsARM, HasV5TE]>;
970 def BT2 : AI<(ops GPR:$dst, GPR:$a, GPR:$b, GPR:$acc),
971 !strconcat(opc, "bt $dst, $a, $b, $acc"),
972 [(set GPR:$dst, (add GPR:$acc, (opnode (sra (shl GPR:$a, 16), 16),
973 (sra GPR:$b, 16))))]>,
974 Requires<[IsARM, HasV5TE]>;
975 def BT3 : AI<(ops GPR:$dst, GPR:$a, GPR:$b, GPR:$acc),
976 !strconcat(opc, "bt $dst, $a, $b, $acc"),
977 [(set GPR:$dst, (add GPR:$acc, (opnode sext_16_node:$a,
978 (sra GPR:$b, 16))))]>,
979 Requires<[IsARM, HasV5TE]>;
981 def TB1 : AI<(ops GPR:$dst, GPR:$a, GPR:$b, GPR:$acc),
982 !strconcat(opc, "tb $dst, $a, $b, $acc"),
983 [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, 16),
984 (sext_inreg GPR:$b, i16))))]>,
985 Requires<[IsARM, HasV5TE]>;
986 def TB2 : AI<(ops GPR:$dst, GPR:$a, GPR:$b, GPR:$acc),
987 !strconcat(opc, "tb $dst, $a, $b, $acc"),
988 [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, 16),
989 (sra (shl GPR:$b, 16), 16))))]>,
990 Requires<[IsARM, HasV5TE]>;
991 def TB3 : AI<(ops GPR:$dst, GPR:$a, GPR:$b, GPR:$acc),
992 !strconcat(opc, "tb $dst, $a, $b, $acc"),
993 [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, 16),
994 sext_16_node:$b)))]>,
995 Requires<[IsARM, HasV5TE]>;
997 def TT : AI<(ops GPR:$dst, GPR:$a, GPR:$b, GPR:$acc),
998 !strconcat(opc, "tt $dst, $a, $b, $acc"),
999 [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, 16),
1000 (sra GPR:$b, 16))))]>,
1001 Requires<[IsARM, HasV5TE]>;
1003 def WB1 : AI<(ops GPR:$dst, GPR:$a, GPR:$b, GPR:$acc),
1004 !strconcat(opc, "wb $dst, $a, $b, $acc"),
1005 [(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a,
1006 (sext_inreg GPR:$b, i16)), 16)))]>,
1007 Requires<[IsARM, HasV5TE]>;
1008 def WB2 : AI<(ops GPR:$dst, GPR:$a, GPR:$b, GPR:$acc),
1009 !strconcat(opc, "wb $dst, $a, $b, $acc"),
1010 [(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a,
1011 (sra (shl GPR:$b, 16), 16)), 16)))]>,
1012 Requires<[IsARM, HasV5TE]>;
1013 def WB3 : AI<(ops GPR:$dst, GPR:$a, GPR:$b, GPR:$acc),
1014 !strconcat(opc, "wb $dst, $a, $b, $acc"),
1015 [(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a,
1016 sext_16_node:$b), 16)))]>,
1017 Requires<[IsARM, HasV5TE]>;
1019 def WT : AI<(ops GPR:$dst, GPR:$a, GPR:$b, GPR:$acc),
1020 !strconcat(opc, "wt $dst, $a, $b, $acc"),
1021 [(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a,
1022 (sra GPR:$b, 16)), 16)))]>,
1023 Requires<[IsARM, HasV5TE]>;
1026 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
1027 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
1029 // TODO: Halfword multiple accumulate long: SMLAL<x><y>
1030 // TODO: Dual halfword multiple: SMUAD, SMUSD, SMLAD, SMLSD, SMLALD, SMLSLD
1032 //===----------------------------------------------------------------------===//
1033 // Misc. Arithmetic Instructions.
1036 def CLZ : AI<(ops GPR:$dst, GPR:$src),
1038 [(set GPR:$dst, (ctlz GPR:$src))]>, Requires<[IsARM, HasV5T]>;
1040 def REV : AI<(ops GPR:$dst, GPR:$src),
1042 [(set GPR:$dst, (bswap GPR:$src))]>, Requires<[IsARM, HasV6]>;
1044 def REV16 : AI<(ops GPR:$dst, GPR:$src),
1047 (or (and (srl GPR:$src, 8), 0xFF),
1048 (or (and (shl GPR:$src, 8), 0xFF00),
1049 (or (and (srl GPR:$src, 8), 0xFF0000),
1050 (and (shl GPR:$src, 8), 0xFF000000)))))]>,
1051 Requires<[IsARM, HasV6]>;
1053 def REVSH : AI<(ops GPR:$dst, GPR:$src),
1057 (or (srl (and GPR:$src, 0xFFFF), 8),
1058 (shl GPR:$src, 8)), i16))]>,
1059 Requires<[IsARM, HasV6]>;
1061 def PKHBT : AI<(ops GPR:$dst, GPR:$src1, GPR:$src2, i32imm:$shamt),
1062 "pkhbt $dst, $src1, $src2, LSL $shamt",
1063 [(set GPR:$dst, (or (and GPR:$src1, 0xFFFF),
1064 (and (shl GPR:$src2, (i32 imm:$shamt)),
1066 Requires<[IsARM, HasV6]>;
1068 // Alternate cases for PKHBT where identities eliminate some nodes.
1069 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF), (and GPR:$src2, 0xFFFF0000)),
1070 (PKHBT GPR:$src1, GPR:$src2, 0)>;
1071 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF), (shl GPR:$src2, imm16_31:$shamt)),
1072 (PKHBT GPR:$src1, GPR:$src2, imm16_31:$shamt)>;
1075 def PKHTB : AI<(ops GPR:$dst, GPR:$src1, GPR:$src2, i32imm:$shamt),
1076 "pkhtb $dst, $src1, $src2, ASR $shamt",
1077 [(set GPR:$dst, (or (and GPR:$src1, 0xFFFF0000),
1078 (and (sra GPR:$src2, imm16_31:$shamt),
1079 0xFFFF)))]>, Requires<[IsARM, HasV6]>;
1081 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
1082 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
1083 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000), (srl GPR:$src2, 16)),
1084 (PKHTB GPR:$src1, GPR:$src2, 16)>;
1085 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000),
1086 (and (srl GPR:$src2, imm1_15:$shamt), 0xFFFF)),
1087 (PKHTB GPR:$src1, GPR:$src2, imm1_15:$shamt)>;
1090 //===----------------------------------------------------------------------===//
1091 // Comparison Instructions...
1094 defm CMP : AI1_bin0_irs<"cmp", BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
1095 defm CMN : AI1_bin0_irs<"cmn", BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
1097 def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
1098 (CMNri GPR:$src, so_imm_neg:$imm)>;
1100 // Note that TST/TEQ don't set all the same flags that CMP does!
1101 def TSTrr : AI1<(ops GPR:$a, so_reg:$b), "tst $a, $b", []>;
1102 def TSTri : AI1<(ops GPR:$a, so_imm:$b), "tst $a, $b", []>;
1103 def TEQrr : AI1<(ops GPR:$a, so_reg:$b), "teq $a, $b", []>;
1104 def TEQri : AI1<(ops GPR:$a, so_imm:$b), "teq $a, $b", []>;
1106 // Conditional moves
1107 def MOVCCr : AI<(ops GPR:$dst, GPR:$false, GPR:$true, CCOp:$cc),
1108 "mov$cc $dst, $true",
1109 [(set GPR:$dst, (ARMcmov GPR:$false, GPR:$true, imm:$cc))]>,
1110 RegConstraint<"$false = $dst">;
1112 def MOVCCs : AI<(ops GPR:$dst, GPR:$false, so_reg:$true, CCOp:$cc),
1113 "mov$cc $dst, $true",
1114 [(set GPR:$dst, (ARMcmov GPR:$false, so_reg:$true,imm:$cc))]>,
1115 RegConstraint<"$false = $dst">;
1117 def MOVCCi : AI<(ops GPR:$dst, GPR:$false, so_imm:$true, CCOp:$cc),
1118 "mov$cc $dst, $true",
1119 [(set GPR:$dst, (ARMcmov GPR:$false, so_imm:$true,imm:$cc))]>,
1120 RegConstraint<"$false = $dst">;
1123 // LEApcrel - Load a pc-relative address into a register without offending the
1125 def LEApcrel : AI1<(ops GPR:$dst, i32imm:$label),
1126 !strconcat(!strconcat(".set PCRELV${:uid}, ($label-(",
1127 "${:private}PCRELL${:uid}+8))\n"),
1128 !strconcat("${:private}PCRELL${:uid}:\n\t",
1129 "add $dst, pc, #PCRELV${:uid}")),
1132 def LEApcrelJT : AI1<(ops GPR:$dst, i32imm:$label, i32imm:$id),
1133 !strconcat(!strconcat(".set PCRELV${:uid}, (${label}_${id:no_hash}-(",
1134 "${:private}PCRELL${:uid}+8))\n"),
1135 !strconcat("${:private}PCRELL${:uid}:\n\t",
1136 "add $dst, pc, #PCRELV${:uid}")),
1139 //===----------------------------------------------------------------------===//
1140 // Non-Instruction Patterns
1143 // ConstantPool, GlobalAddress, and JumpTable
1144 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>;
1145 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
1146 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
1147 (LEApcrelJT tjumptable:$dst, imm:$id)>;
1149 // Large immediate handling.
1151 // Two piece so_imms.
1152 def : ARMPat<(i32 so_imm2part:$src),
1153 (ORRri (MOVri (so_imm2part_1 imm:$src)),
1154 (so_imm2part_2 imm:$src))>;
1156 def : ARMPat<(or GPR:$LHS, so_imm2part:$RHS),
1157 (ORRri (ORRri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
1158 (so_imm2part_2 imm:$RHS))>;
1159 def : ARMPat<(xor GPR:$LHS, so_imm2part:$RHS),
1160 (EORri (EORri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
1161 (so_imm2part_2 imm:$RHS))>;
1163 // TODO: add,sub,and, 3-instr forms?
1167 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>;
1169 // zextload i1 -> zextload i8
1170 def : ARMPat<(zextloadi1 addrmode2:$addr), (LDRB addrmode2:$addr)>;
1172 // extload -> zextload
1173 def : ARMPat<(extloadi1 addrmode2:$addr), (LDRB addrmode2:$addr)>;
1174 def : ARMPat<(extloadi8 addrmode2:$addr), (LDRB addrmode2:$addr)>;
1175 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
1177 // truncstore i1 -> truncstore i8
1178 def : Pat<(truncstorei1 GPR:$src, addrmode2:$dst),
1179 (STRB GPR:$src, addrmode2:$dst)>;
1180 def : Pat<(pre_truncsti1 GPR:$src, GPR:$base, am2offset:$offset),
1181 (STRB_PRE GPR:$src, GPR:$base, am2offset:$offset)>;
1182 def : Pat<(post_truncsti1 GPR:$src, GPR:$base, am2offset:$offset),
1183 (STRB_POST GPR:$src, GPR:$base, am2offset:$offset)>;
1185 //===----------------------------------------------------------------------===//
1189 include "ARMInstrThumb.td"
1191 //===----------------------------------------------------------------------===//
1192 // Floating Point Support
1195 include "ARMInstrVFP.td"