1 //===- ARMInstrInfo.td - Target Description for ARM Target -*- tablegen -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file describes the ARM instructions in TableGen format.
12 //===----------------------------------------------------------------------===//
14 //===----------------------------------------------------------------------===//
15 // ARM specific DAG Nodes.
19 def SDT_ARMCallSeqStart : SDCallSeqStart<[ SDTCisVT<0, i32> ]>;
20 def SDT_ARMCallSeqEnd : SDCallSeqEnd<[ SDTCisVT<0, i32>, SDTCisVT<1, 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_ARMBr2JT : SDTypeProfile<0, 4,
38 [SDTCisPtrTy<0>, SDTCisVT<1, i32>,
39 SDTCisVT<2, i32>, SDTCisVT<3, i32>]>;
41 def SDT_ARMCmp : SDTypeProfile<0, 2, [SDTCisSameAs<0, 1>]>;
43 def SDT_ARMPICAdd : SDTypeProfile<1, 2, [SDTCisSameAs<0, 1>,
44 SDTCisPtrTy<1>, SDTCisVT<2, i32>]>;
46 def SDT_ARMThreadPointer : SDTypeProfile<1, 0, [SDTCisPtrTy<0>]>;
47 def SDT_ARMEH_SJLJ_Setjmp : SDTypeProfile<1, 1, [SDTCisInt<0>, SDTCisPtrTy<1>]>;
50 def ARMWrapper : SDNode<"ARMISD::Wrapper", SDTIntUnaryOp>;
51 def ARMWrapperJT : SDNode<"ARMISD::WrapperJT", SDTIntBinOp>;
53 def ARMcallseq_start : SDNode<"ISD::CALLSEQ_START", SDT_ARMCallSeqStart,
54 [SDNPHasChain, SDNPOutFlag]>;
55 def ARMcallseq_end : SDNode<"ISD::CALLSEQ_END", SDT_ARMCallSeqEnd,
56 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
58 def ARMcall : SDNode<"ARMISD::CALL", SDT_ARMcall,
59 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
60 def ARMcall_pred : SDNode<"ARMISD::CALL_PRED", SDT_ARMcall,
61 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
62 def ARMcall_nolink : SDNode<"ARMISD::CALL_NOLINK", SDT_ARMcall,
63 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
65 def ARMretflag : SDNode<"ARMISD::RET_FLAG", SDTNone,
66 [SDNPHasChain, SDNPOptInFlag]>;
68 def ARMcmov : SDNode<"ARMISD::CMOV", SDT_ARMCMov,
70 def ARMcneg : SDNode<"ARMISD::CNEG", SDT_ARMCMov,
73 def ARMbrcond : SDNode<"ARMISD::BRCOND", SDT_ARMBrcond,
74 [SDNPHasChain, SDNPInFlag, SDNPOutFlag]>;
76 def ARMbrjt : SDNode<"ARMISD::BR_JT", SDT_ARMBrJT,
78 def ARMbr2jt : SDNode<"ARMISD::BR2_JT", SDT_ARMBr2JT,
81 def ARMcmp : SDNode<"ARMISD::CMP", SDT_ARMCmp,
84 def ARMcmpZ : SDNode<"ARMISD::CMPZ", SDT_ARMCmp,
85 [SDNPOutFlag,SDNPCommutative]>;
87 def ARMpic_add : SDNode<"ARMISD::PIC_ADD", SDT_ARMPICAdd>;
89 def ARMsrl_flag : SDNode<"ARMISD::SRL_FLAG", SDTIntUnaryOp, [SDNPOutFlag]>;
90 def ARMsra_flag : SDNode<"ARMISD::SRA_FLAG", SDTIntUnaryOp, [SDNPOutFlag]>;
91 def ARMrrx : SDNode<"ARMISD::RRX" , SDTIntUnaryOp, [SDNPInFlag ]>;
93 def ARMthread_pointer: SDNode<"ARMISD::THREAD_POINTER", SDT_ARMThreadPointer>;
94 def ARMeh_sjlj_setjmp: SDNode<"ARMISD::EH_SJLJ_SETJMP", SDT_ARMEH_SJLJ_Setjmp>;
96 //===----------------------------------------------------------------------===//
97 // ARM Instruction Predicate Definitions.
99 def HasV5T : Predicate<"Subtarget->hasV5TOps()">;
100 def HasV5TE : Predicate<"Subtarget->hasV5TEOps()">;
101 def HasV6 : Predicate<"Subtarget->hasV6Ops()">;
102 def HasV6T2 : Predicate<"Subtarget->hasV6T2Ops()">;
103 def HasV7 : Predicate<"Subtarget->hasV7Ops()">;
104 def HasVFP2 : Predicate<"Subtarget->hasVFP2()">;
105 def HasVFP3 : Predicate<"Subtarget->hasVFP3()">;
106 def HasNEON : Predicate<"Subtarget->hasNEON()">;
107 def UseNEONForFP : Predicate<"Subtarget->useNEONForSinglePrecisionFP()">;
108 def DontUseNEONForFP : Predicate<"!Subtarget->useNEONForSinglePrecisionFP()">;
109 def IsThumb : Predicate<"Subtarget->isThumb()">;
110 def IsThumb1Only : Predicate<"Subtarget->isThumb1Only()">;
111 def IsThumb2 : Predicate<"Subtarget->isThumb2()">;
112 def IsARM : Predicate<"!Subtarget->isThumb()">;
113 def IsDarwin : Predicate<"Subtarget->isTargetDarwin()">;
114 def IsNotDarwin : Predicate<"!Subtarget->isTargetDarwin()">;
115 def CarryDefIsUnused : Predicate<"!N.getNode()->hasAnyUseOfValue(1)">;
116 def CarryDefIsUsed : Predicate<"N.getNode()->hasAnyUseOfValue(1)">;
118 //===----------------------------------------------------------------------===//
119 // ARM Flag Definitions.
121 class RegConstraint<string C> {
122 string Constraints = C;
125 //===----------------------------------------------------------------------===//
126 // ARM specific transformation functions and pattern fragments.
129 // so_imm_neg_XFORM - Return a so_imm value packed into the format described for
130 // so_imm_neg def below.
131 def so_imm_neg_XFORM : SDNodeXForm<imm, [{
132 return CurDAG->getTargetConstant(-(int)N->getZExtValue(), MVT::i32);
135 // so_imm_not_XFORM - Return a so_imm value packed into the format described for
136 // so_imm_not def below.
137 def so_imm_not_XFORM : SDNodeXForm<imm, [{
138 return CurDAG->getTargetConstant(~(int)N->getZExtValue(), MVT::i32);
141 // rot_imm predicate - True if the 32-bit immediate is equal to 8, 16, or 24.
142 def rot_imm : PatLeaf<(i32 imm), [{
143 int32_t v = (int32_t)N->getZExtValue();
144 return v == 8 || v == 16 || v == 24;
147 /// imm1_15 predicate - True if the 32-bit immediate is in the range [1,15].
148 def imm1_15 : PatLeaf<(i32 imm), [{
149 return (int32_t)N->getZExtValue() >= 1 && (int32_t)N->getZExtValue() < 16;
152 /// imm16_31 predicate - True if the 32-bit immediate is in the range [16,31].
153 def imm16_31 : PatLeaf<(i32 imm), [{
154 return (int32_t)N->getZExtValue() >= 16 && (int32_t)N->getZExtValue() < 32;
159 return ARM_AM::getSOImmVal(-(int)N->getZExtValue()) != -1;
160 }], so_imm_neg_XFORM>;
164 return ARM_AM::getSOImmVal(~(int)N->getZExtValue()) != -1;
165 }], so_imm_not_XFORM>;
167 // sext_16_node predicate - True if the SDNode is sign-extended 16 or more bits.
168 def sext_16_node : PatLeaf<(i32 GPR:$a), [{
169 return CurDAG->ComputeNumSignBits(SDValue(N,0)) >= 17;
172 /// bf_inv_mask_imm predicate - An AND mask to clear an arbitrary width bitfield
174 def bf_inv_mask_imm : Operand<i32>,
176 uint32_t v = (uint32_t)N->getZExtValue();
179 // there can be 1's on either or both "outsides", all the "inside"
181 unsigned int lsb = 0, msb = 31;
182 while (v & (1 << msb)) --msb;
183 while (v & (1 << lsb)) ++lsb;
184 for (unsigned int i = lsb; i <= msb; ++i) {
190 let PrintMethod = "printBitfieldInvMaskImmOperand";
193 class BinOpFrag<dag res> : PatFrag<(ops node:$LHS, node:$RHS), res>;
194 class UnOpFrag <dag res> : PatFrag<(ops node:$Src), res>;
196 //===----------------------------------------------------------------------===//
197 // Operand Definitions.
201 def brtarget : Operand<OtherVT>;
203 // A list of registers separated by comma. Used by load/store multiple.
204 def reglist : Operand<i32> {
205 let PrintMethod = "printRegisterList";
208 // An operand for the CONSTPOOL_ENTRY pseudo-instruction.
209 def cpinst_operand : Operand<i32> {
210 let PrintMethod = "printCPInstOperand";
213 def jtblock_operand : Operand<i32> {
214 let PrintMethod = "printJTBlockOperand";
216 def jt2block_operand : Operand<i32> {
217 let PrintMethod = "printJT2BlockOperand";
221 def pclabel : Operand<i32> {
222 let PrintMethod = "printPCLabel";
225 // shifter_operand operands: so_reg and so_imm.
226 def so_reg : Operand<i32>, // reg reg imm
227 ComplexPattern<i32, 3, "SelectShifterOperandReg",
228 [shl,srl,sra,rotr]> {
229 let PrintMethod = "printSORegOperand";
230 let MIOperandInfo = (ops GPR, GPR, i32imm);
233 // so_imm - Match a 32-bit shifter_operand immediate operand, which is an
234 // 8-bit immediate rotated by an arbitrary number of bits. so_imm values are
235 // represented in the imm field in the same 12-bit form that they are encoded
236 // into so_imm instructions: the 8-bit immediate is the least significant bits
237 // [bits 0-7], the 4-bit shift amount is the next 4 bits [bits 8-11].
238 def so_imm : Operand<i32>,
240 return ARM_AM::getSOImmVal(N->getZExtValue()) != -1;
242 let PrintMethod = "printSOImmOperand";
245 // Break so_imm's up into two pieces. This handles immediates with up to 16
246 // bits set in them. This uses so_imm2part to match and so_imm2part_[12] to
247 // get the first/second pieces.
248 def so_imm2part : Operand<i32>,
250 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
252 let PrintMethod = "printSOImm2PartOperand";
255 def so_imm2part_1 : SDNodeXForm<imm, [{
256 unsigned V = ARM_AM::getSOImmTwoPartFirst((unsigned)N->getZExtValue());
257 return CurDAG->getTargetConstant(V, MVT::i32);
260 def so_imm2part_2 : SDNodeXForm<imm, [{
261 unsigned V = ARM_AM::getSOImmTwoPartSecond((unsigned)N->getZExtValue());
262 return CurDAG->getTargetConstant(V, MVT::i32);
266 // Define ARM specific addressing modes.
268 // addrmode2 := reg +/- reg shop imm
269 // addrmode2 := reg +/- imm12
271 def addrmode2 : Operand<i32>,
272 ComplexPattern<i32, 3, "SelectAddrMode2", []> {
273 let PrintMethod = "printAddrMode2Operand";
274 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
277 def am2offset : Operand<i32>,
278 ComplexPattern<i32, 2, "SelectAddrMode2Offset", []> {
279 let PrintMethod = "printAddrMode2OffsetOperand";
280 let MIOperandInfo = (ops GPR, i32imm);
283 // addrmode3 := reg +/- reg
284 // addrmode3 := reg +/- imm8
286 def addrmode3 : Operand<i32>,
287 ComplexPattern<i32, 3, "SelectAddrMode3", []> {
288 let PrintMethod = "printAddrMode3Operand";
289 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
292 def am3offset : Operand<i32>,
293 ComplexPattern<i32, 2, "SelectAddrMode3Offset", []> {
294 let PrintMethod = "printAddrMode3OffsetOperand";
295 let MIOperandInfo = (ops GPR, i32imm);
298 // addrmode4 := reg, <mode|W>
300 def addrmode4 : Operand<i32>,
301 ComplexPattern<i32, 2, "", []> {
302 let PrintMethod = "printAddrMode4Operand";
303 let MIOperandInfo = (ops GPR, i32imm);
306 // addrmode5 := reg +/- imm8*4
308 def addrmode5 : Operand<i32>,
309 ComplexPattern<i32, 2, "SelectAddrMode5", []> {
310 let PrintMethod = "printAddrMode5Operand";
311 let MIOperandInfo = (ops GPR, i32imm);
314 // addrmode6 := reg with optional writeback
316 def addrmode6 : Operand<i32>,
317 ComplexPattern<i32, 3, "SelectAddrMode6", []> {
318 let PrintMethod = "printAddrMode6Operand";
319 let MIOperandInfo = (ops GPR:$addr, GPR:$upd, i32imm);
322 // addrmodepc := pc + reg
324 def addrmodepc : Operand<i32>,
325 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
326 let PrintMethod = "printAddrModePCOperand";
327 let MIOperandInfo = (ops GPR, i32imm);
330 //===----------------------------------------------------------------------===//
332 include "ARMInstrFormats.td"
334 //===----------------------------------------------------------------------===//
335 // Multiclass helpers...
338 /// AsI1_bin_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns for a
339 /// binop that produces a value.
340 multiclass AsI1_bin_irs<bits<4> opcod, string opc, PatFrag opnode,
341 bit Commutable = 0> {
342 def ri : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
343 opc, " $dst, $a, $b",
344 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]> {
347 def rr : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
348 opc, " $dst, $a, $b",
349 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]> {
351 let isCommutable = Commutable;
353 def rs : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
354 opc, " $dst, $a, $b",
355 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]> {
360 /// AI1_bin_s_irs - Similar to AsI1_bin_irs except it sets the 's' bit so the
361 /// instruction modifies the CSPR register.
362 let Defs = [CPSR] in {
363 multiclass AI1_bin_s_irs<bits<4> opcod, string opc, PatFrag opnode,
364 bit Commutable = 0> {
365 def ri : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
366 opc, "s $dst, $a, $b",
367 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]> {
370 def rr : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
371 opc, "s $dst, $a, $b",
372 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]> {
373 let isCommutable = Commutable;
376 def rs : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
377 opc, "s $dst, $a, $b",
378 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]> {
384 /// AI1_cmp_irs - Defines a set of (op r, {so_imm|r|so_reg}) cmp / test
385 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
386 /// a explicit result, only implicitly set CPSR.
387 let Defs = [CPSR] in {
388 multiclass AI1_cmp_irs<bits<4> opcod, string opc, PatFrag opnode,
389 bit Commutable = 0> {
390 def ri : AI1<opcod, (outs), (ins GPR:$a, so_imm:$b), DPFrm,
392 [(opnode GPR:$a, so_imm:$b)]> {
395 def rr : AI1<opcod, (outs), (ins GPR:$a, GPR:$b), DPFrm,
397 [(opnode GPR:$a, GPR:$b)]> {
399 let isCommutable = Commutable;
401 def rs : AI1<opcod, (outs), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
403 [(opnode GPR:$a, so_reg:$b)]> {
409 /// AI_unary_rrot - A unary operation with two forms: one whose operand is a
410 /// register and one whose operand is a register rotated by 8/16/24.
411 /// FIXME: Remove the 'r' variant. Its rot_imm is zero.
412 multiclass AI_unary_rrot<bits<8> opcod, string opc, PatFrag opnode> {
413 def r : AExtI<opcod, (outs GPR:$dst), (ins GPR:$Src),
415 [(set GPR:$dst, (opnode GPR:$Src))]>,
416 Requires<[IsARM, HasV6]> {
417 let Inst{19-16} = 0b1111;
419 def r_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$Src, i32imm:$rot),
420 opc, " $dst, $Src, ror $rot",
421 [(set GPR:$dst, (opnode (rotr GPR:$Src, rot_imm:$rot)))]>,
422 Requires<[IsARM, HasV6]> {
423 let Inst{19-16} = 0b1111;
427 /// AI_bin_rrot - A binary operation with two forms: one whose operand is a
428 /// register and one whose operand is a register rotated by 8/16/24.
429 multiclass AI_bin_rrot<bits<8> opcod, string opc, PatFrag opnode> {
430 def rr : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS),
431 opc, " $dst, $LHS, $RHS",
432 [(set GPR:$dst, (opnode GPR:$LHS, GPR:$RHS))]>,
433 Requires<[IsARM, HasV6]>;
434 def rr_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS, i32imm:$rot),
435 opc, " $dst, $LHS, $RHS, ror $rot",
436 [(set GPR:$dst, (opnode GPR:$LHS,
437 (rotr GPR:$RHS, rot_imm:$rot)))]>,
438 Requires<[IsARM, HasV6]>;
441 /// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
442 let Uses = [CPSR] in {
443 multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode,
444 bit Commutable = 0> {
445 def ri : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
446 DPFrm, opc, " $dst, $a, $b",
447 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]>,
448 Requires<[IsARM, CarryDefIsUnused]> {
451 def rr : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
452 DPFrm, opc, " $dst, $a, $b",
453 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]>,
454 Requires<[IsARM, CarryDefIsUnused]> {
455 let isCommutable = Commutable;
458 def rs : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
459 DPSoRegFrm, opc, " $dst, $a, $b",
460 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]>,
461 Requires<[IsARM, CarryDefIsUnused]> {
464 // Carry setting variants
465 def Sri : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
466 DPFrm, !strconcat(opc, "s $dst, $a, $b"),
467 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]>,
468 Requires<[IsARM, CarryDefIsUsed]> {
472 def Srr : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
473 DPFrm, !strconcat(opc, "s $dst, $a, $b"),
474 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]>,
475 Requires<[IsARM, CarryDefIsUsed]> {
479 def Srs : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
480 DPSoRegFrm, !strconcat(opc, "s $dst, $a, $b"),
481 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]>,
482 Requires<[IsARM, CarryDefIsUsed]> {
489 //===----------------------------------------------------------------------===//
491 //===----------------------------------------------------------------------===//
493 //===----------------------------------------------------------------------===//
494 // Miscellaneous Instructions.
497 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
498 /// the function. The first operand is the ID# for this instruction, the second
499 /// is the index into the MachineConstantPool that this is, the third is the
500 /// size in bytes of this constant pool entry.
501 let neverHasSideEffects = 1, isNotDuplicable = 1 in
502 def CONSTPOOL_ENTRY :
503 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
505 "${instid:label} ${cpidx:cpentry}", []>;
507 let Defs = [SP], Uses = [SP] in {
509 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p),
510 "@ ADJCALLSTACKUP $amt1",
511 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
513 def ADJCALLSTACKDOWN :
514 PseudoInst<(outs), (ins i32imm:$amt, pred:$p),
515 "@ ADJCALLSTACKDOWN $amt",
516 [(ARMcallseq_start timm:$amt)]>;
520 PseudoInst<(outs), (ins i32imm:$line, i32imm:$col, i32imm:$file),
521 ".loc $file, $line, $col",
522 [(dwarf_loc (i32 imm:$line), (i32 imm:$col), (i32 imm:$file))]>;
525 // Address computation and loads and stores in PIC mode.
526 let isNotDuplicable = 1 in {
527 def PICADD : AXI1<0b0100, (outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
528 Pseudo, "$cp:\n\tadd$p $dst, pc, $a",
529 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
531 let AddedComplexity = 10 in {
532 let canFoldAsLoad = 1 in
533 def PICLDR : AXI2ldw<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
534 Pseudo, "${addr:label}:\n\tldr$p $dst, $addr",
535 [(set GPR:$dst, (load addrmodepc:$addr))]>;
537 def PICLDRH : AXI3ldh<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
538 Pseudo, "${addr:label}:\n\tldr${p}h $dst, $addr",
539 [(set GPR:$dst, (zextloadi16 addrmodepc:$addr))]>;
541 def PICLDRB : AXI2ldb<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
542 Pseudo, "${addr:label}:\n\tldr${p}b $dst, $addr",
543 [(set GPR:$dst, (zextloadi8 addrmodepc:$addr))]>;
545 def PICLDRSH : AXI3ldsh<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
546 Pseudo, "${addr:label}:\n\tldr${p}sh $dst, $addr",
547 [(set GPR:$dst, (sextloadi16 addrmodepc:$addr))]>;
549 def PICLDRSB : AXI3ldsb<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
550 Pseudo, "${addr:label}:\n\tldr${p}sb $dst, $addr",
551 [(set GPR:$dst, (sextloadi8 addrmodepc:$addr))]>;
553 let AddedComplexity = 10 in {
554 def PICSTR : AXI2stw<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
555 Pseudo, "${addr:label}:\n\tstr$p $src, $addr",
556 [(store GPR:$src, addrmodepc:$addr)]>;
558 def PICSTRH : AXI3sth<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
559 Pseudo, "${addr:label}:\n\tstr${p}h $src, $addr",
560 [(truncstorei16 GPR:$src, addrmodepc:$addr)]>;
562 def PICSTRB : AXI2stb<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
563 Pseudo, "${addr:label}:\n\tstr${p}b $src, $addr",
564 [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
566 } // isNotDuplicable = 1
569 // LEApcrel - Load a pc-relative address into a register without offending the
571 def LEApcrel : AXI1<0x0, (outs GPR:$dst), (ins i32imm:$label, pred:$p), Pseudo,
572 !strconcat(!strconcat(".set ${:private}PCRELV${:uid}, ($label-(",
573 "${:private}PCRELL${:uid}+8))\n"),
574 !strconcat("${:private}PCRELL${:uid}:\n\t",
575 "add$p $dst, pc, #${:private}PCRELV${:uid}")),
578 def LEApcrelJT : AXI1<0x0, (outs GPR:$dst),
579 (ins i32imm:$label, i32imm:$id, pred:$p),
581 !strconcat(!strconcat(".set ${:private}PCRELV${:uid}, "
582 "(${label}_${id:no_hash}-(",
583 "${:private}PCRELL${:uid}+8))\n"),
584 !strconcat("${:private}PCRELL${:uid}:\n\t",
585 "add$p $dst, pc, #${:private}PCRELV${:uid}")),
590 //===----------------------------------------------------------------------===//
591 // Control Flow Instructions.
594 let isReturn = 1, isTerminator = 1 in
595 def BX_RET : AI<(outs), (ins), BrMiscFrm, "bx", " lr", [(ARMretflag)]> {
596 let Inst{7-4} = 0b0001;
597 let Inst{19-8} = 0b111111111111;
598 let Inst{27-20} = 0b00010010;
601 // FIXME: remove when we have a way to marking a MI with these properties.
602 // FIXME: $dst1 should be a def. But the extra ops must be in the end of the
604 // FIXME: Should pc be an implicit operand like PICADD, etc?
605 let isReturn = 1, isTerminator = 1, mayLoad = 1 in
606 def LDM_RET : AXI4ld<(outs),
607 (ins addrmode4:$addr, pred:$p, reglist:$dst1, variable_ops),
608 LdStMulFrm, "ldm${p}${addr:submode} $addr, $dst1",
611 // On non-Darwin platforms R9 is callee-saved.
612 let isCall = 1, Itinerary = IIC_Br,
613 Defs = [R0, R1, R2, R3, R12, LR,
614 D0, D1, D2, D3, D4, D5, D6, D7,
615 D16, D17, D18, D19, D20, D21, D22, D23,
616 D24, D25, D26, D27, D28, D29, D30, D31, CPSR] in {
617 def BL : ABXI<0b1011, (outs), (ins i32imm:$func, variable_ops),
619 [(ARMcall tglobaladdr:$func)]>,
620 Requires<[IsARM, IsNotDarwin]>;
622 def BL_pred : ABI<0b1011, (outs), (ins i32imm:$func, variable_ops),
623 "bl", " ${func:call}",
624 [(ARMcall_pred tglobaladdr:$func)]>,
625 Requires<[IsARM, IsNotDarwin]>;
628 def BLX : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
630 [(ARMcall GPR:$func)]>,
631 Requires<[IsARM, HasV5T, IsNotDarwin]> {
632 let Inst{7-4} = 0b0011;
633 let Inst{19-8} = 0b111111111111;
634 let Inst{27-20} = 0b00010010;
638 def BX : ABXIx2<(outs), (ins GPR:$func, variable_ops),
639 "mov lr, pc\n\tbx $func",
640 [(ARMcall_nolink GPR:$func)]>,
641 Requires<[IsARM, IsNotDarwin]> {
642 let Inst{7-4} = 0b0001;
643 let Inst{19-8} = 0b111111111111;
644 let Inst{27-20} = 0b00010010;
648 // On Darwin R9 is call-clobbered.
649 let isCall = 1, Itinerary = IIC_Br,
650 Defs = [R0, R1, R2, R3, R9, R12, LR,
651 D0, D1, D2, D3, D4, D5, D6, D7,
652 D16, D17, D18, D19, D20, D21, D22, D23,
653 D24, D25, D26, D27, D28, D29, D30, D31, CPSR] in {
654 def BLr9 : ABXI<0b1011, (outs), (ins i32imm:$func, variable_ops),
656 [(ARMcall tglobaladdr:$func)]>, Requires<[IsARM, IsDarwin]>;
658 def BLr9_pred : ABI<0b1011, (outs), (ins i32imm:$func, variable_ops),
659 "bl", " ${func:call}",
660 [(ARMcall_pred tglobaladdr:$func)]>,
661 Requires<[IsARM, IsDarwin]>;
664 def BLXr9 : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
666 [(ARMcall GPR:$func)]>, Requires<[IsARM, HasV5T, IsDarwin]> {
667 let Inst{7-4} = 0b0011;
668 let Inst{19-8} = 0b111111111111;
669 let Inst{27-20} = 0b00010010;
673 def BXr9 : ABXIx2<(outs), (ins GPR:$func, variable_ops),
674 "mov lr, pc\n\tbx $func",
675 [(ARMcall_nolink GPR:$func)]>, Requires<[IsARM, IsDarwin]> {
676 let Inst{7-4} = 0b0001;
677 let Inst{19-8} = 0b111111111111;
678 let Inst{27-20} = 0b00010010;
682 let isBranch = 1, isTerminator = 1, Itinerary = IIC_Br in {
683 // B is "predicable" since it can be xformed into a Bcc.
684 let isBarrier = 1 in {
685 let isPredicable = 1 in
686 def B : ABXI<0b1010, (outs), (ins brtarget:$target), "b $target",
689 let isNotDuplicable = 1, isIndirectBranch = 1 in {
690 def BR_JTr : JTI<(outs), (ins GPR:$target, jtblock_operand:$jt, i32imm:$id),
691 "mov pc, $target \n$jt",
692 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]> {
693 let Inst{20} = 0; // S Bit
694 let Inst{24-21} = 0b1101;
695 let Inst{27-25} = 0b000;
697 def BR_JTm : JTI<(outs),
698 (ins addrmode2:$target, jtblock_operand:$jt, i32imm:$id),
699 "ldr pc, $target \n$jt",
700 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
702 let Inst{20} = 1; // L bit
703 let Inst{21} = 0; // W bit
704 let Inst{22} = 0; // B bit
705 let Inst{24} = 1; // P bit
706 let Inst{27-25} = 0b011;
708 def BR_JTadd : JTI<(outs),
709 (ins GPR:$target, GPR:$idx, jtblock_operand:$jt, i32imm:$id),
710 "add pc, $target, $idx \n$jt",
711 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
713 let Inst{20} = 0; // S bit
714 let Inst{24-21} = 0b0100;
715 let Inst{27-25} = 0b000;
717 } // isNotDuplicable = 1, isIndirectBranch = 1
720 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
721 // a two-value operand where a dag node expects two operands. :(
722 def Bcc : ABI<0b1010, (outs), (ins brtarget:$target),
724 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]>;
727 //===----------------------------------------------------------------------===//
728 // Load / store Instructions.
732 let canFoldAsLoad = 1 in
733 def LDR : AI2ldw<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm,
734 "ldr", " $dst, $addr",
735 [(set GPR:$dst, (load addrmode2:$addr))]>;
737 // Special LDR for loads from non-pc-relative constpools.
738 let canFoldAsLoad = 1, mayLoad = 1, isReMaterializable = 1 in
739 def LDRcp : AI2ldw<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm,
740 "ldr", " $dst, $addr", []>;
742 // Loads with zero extension
743 def LDRH : AI3ldh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
744 "ldr", "h $dst, $addr",
745 [(set GPR:$dst, (zextloadi16 addrmode3:$addr))]>;
747 def LDRB : AI2ldb<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm,
748 "ldr", "b $dst, $addr",
749 [(set GPR:$dst, (zextloadi8 addrmode2:$addr))]>;
751 // Loads with sign extension
752 def LDRSH : AI3ldsh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
753 "ldr", "sh $dst, $addr",
754 [(set GPR:$dst, (sextloadi16 addrmode3:$addr))]>;
756 def LDRSB : AI3ldsb<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
757 "ldr", "sb $dst, $addr",
758 [(set GPR:$dst, (sextloadi8 addrmode3:$addr))]>;
762 def LDRD : AI3ldd<(outs GPR:$dst1, GPR:$dst2), (ins addrmode3:$addr), LdMiscFrm,
763 "ldr", "d $dst1, $addr", []>, Requires<[IsARM, HasV5T]>;
766 def LDR_PRE : AI2ldwpr<(outs GPR:$dst, GPR:$base_wb),
767 (ins addrmode2:$addr), LdFrm,
768 "ldr", " $dst, $addr!", "$addr.base = $base_wb", []>;
770 def LDR_POST : AI2ldwpo<(outs GPR:$dst, GPR:$base_wb),
771 (ins GPR:$base, am2offset:$offset), LdFrm,
772 "ldr", " $dst, [$base], $offset", "$base = $base_wb", []>;
774 def LDRH_PRE : AI3ldhpr<(outs GPR:$dst, GPR:$base_wb),
775 (ins addrmode3:$addr), LdMiscFrm,
776 "ldr", "h $dst, $addr!", "$addr.base = $base_wb", []>;
778 def LDRH_POST : AI3ldhpo<(outs GPR:$dst, GPR:$base_wb),
779 (ins GPR:$base,am3offset:$offset), LdMiscFrm,
780 "ldr", "h $dst, [$base], $offset", "$base = $base_wb", []>;
782 def LDRB_PRE : AI2ldbpr<(outs GPR:$dst, GPR:$base_wb),
783 (ins addrmode2:$addr), LdFrm,
784 "ldr", "b $dst, $addr!", "$addr.base = $base_wb", []>;
786 def LDRB_POST : AI2ldbpo<(outs GPR:$dst, GPR:$base_wb),
787 (ins GPR:$base,am2offset:$offset), LdFrm,
788 "ldr", "b $dst, [$base], $offset", "$base = $base_wb", []>;
790 def LDRSH_PRE : AI3ldshpr<(outs GPR:$dst, GPR:$base_wb),
791 (ins addrmode3:$addr), LdMiscFrm,
792 "ldr", "sh $dst, $addr!", "$addr.base = $base_wb", []>;
794 def LDRSH_POST: AI3ldshpo<(outs GPR:$dst, GPR:$base_wb),
795 (ins GPR:$base,am3offset:$offset), LdMiscFrm,
796 "ldr", "sh $dst, [$base], $offset", "$base = $base_wb", []>;
798 def LDRSB_PRE : AI3ldsbpr<(outs GPR:$dst, GPR:$base_wb),
799 (ins addrmode3:$addr), LdMiscFrm,
800 "ldr", "sb $dst, $addr!", "$addr.base = $base_wb", []>;
802 def LDRSB_POST: AI3ldsbpo<(outs GPR:$dst, GPR:$base_wb),
803 (ins GPR:$base,am3offset:$offset), LdMiscFrm,
804 "ldr", "sb $dst, [$base], $offset", "$base = $base_wb", []>;
808 def STR : AI2stw<(outs), (ins GPR:$src, addrmode2:$addr), StFrm,
809 "str", " $src, $addr",
810 [(store GPR:$src, addrmode2:$addr)]>;
812 // Stores with truncate
813 def STRH : AI3sth<(outs), (ins GPR:$src, addrmode3:$addr), StMiscFrm,
814 "str", "h $src, $addr",
815 [(truncstorei16 GPR:$src, addrmode3:$addr)]>;
817 def STRB : AI2stb<(outs), (ins GPR:$src, addrmode2:$addr), StFrm,
818 "str", "b $src, $addr",
819 [(truncstorei8 GPR:$src, addrmode2:$addr)]>;
823 def STRD : AI3std<(outs), (ins GPR:$src1, GPR:$src2, addrmode3:$addr),StMiscFrm,
824 "str", "d $src1, $addr", []>, Requires<[IsARM, HasV5T]>;
827 def STR_PRE : AI2stwpr<(outs GPR:$base_wb),
828 (ins GPR:$src, GPR:$base, am2offset:$offset), StFrm,
829 "str", " $src, [$base, $offset]!", "$base = $base_wb",
831 (pre_store GPR:$src, GPR:$base, am2offset:$offset))]>;
833 def STR_POST : AI2stwpo<(outs GPR:$base_wb),
834 (ins GPR:$src, GPR:$base,am2offset:$offset), StFrm,
835 "str", " $src, [$base], $offset", "$base = $base_wb",
837 (post_store GPR:$src, GPR:$base, am2offset:$offset))]>;
839 def STRH_PRE : AI3sthpr<(outs GPR:$base_wb),
840 (ins GPR:$src, GPR:$base,am3offset:$offset), StMiscFrm,
841 "str", "h $src, [$base, $offset]!", "$base = $base_wb",
843 (pre_truncsti16 GPR:$src, GPR:$base,am3offset:$offset))]>;
845 def STRH_POST: AI3sthpo<(outs GPR:$base_wb),
846 (ins GPR:$src, GPR:$base,am3offset:$offset), StMiscFrm,
847 "str", "h $src, [$base], $offset", "$base = $base_wb",
848 [(set GPR:$base_wb, (post_truncsti16 GPR:$src,
849 GPR:$base, am3offset:$offset))]>;
851 def STRB_PRE : AI2stbpr<(outs GPR:$base_wb),
852 (ins GPR:$src, GPR:$base,am2offset:$offset), StFrm,
853 "str", "b $src, [$base, $offset]!", "$base = $base_wb",
854 [(set GPR:$base_wb, (pre_truncsti8 GPR:$src,
855 GPR:$base, am2offset:$offset))]>;
857 def STRB_POST: AI2stbpo<(outs GPR:$base_wb),
858 (ins GPR:$src, GPR:$base,am2offset:$offset), StFrm,
859 "str", "b $src, [$base], $offset", "$base = $base_wb",
860 [(set GPR:$base_wb, (post_truncsti8 GPR:$src,
861 GPR:$base, am2offset:$offset))]>;
863 //===----------------------------------------------------------------------===//
864 // Load / store multiple Instructions.
867 // FIXME: $dst1 should be a def.
869 def LDM : AXI4ld<(outs),
870 (ins addrmode4:$addr, pred:$p, reglist:$dst1, variable_ops),
871 LdStMulFrm, "ldm${p}${addr:submode} $addr, $dst1",
875 def STM : AXI4st<(outs),
876 (ins addrmode4:$addr, pred:$p, reglist:$src1, variable_ops),
877 LdStMulFrm, "stm${p}${addr:submode} $addr, $src1",
880 //===----------------------------------------------------------------------===//
881 // Move Instructions.
884 let neverHasSideEffects = 1 in
885 def MOVr : AsI1<0b1101, (outs GPR:$dst), (ins GPR:$src), DPFrm,
886 "mov", " $dst, $src", []>, UnaryDP;
887 def MOVs : AsI1<0b1101, (outs GPR:$dst), (ins so_reg:$src), DPSoRegFrm,
888 "mov", " $dst, $src", [(set GPR:$dst, so_reg:$src)]>, UnaryDP;
890 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
891 def MOVi : AsI1<0b1101, (outs GPR:$dst), (ins so_imm:$src), DPFrm,
892 "mov", " $dst, $src", [(set GPR:$dst, so_imm:$src)]>, UnaryDP;
894 def MOVrx : AsI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo,
895 "mov", " $dst, $src, rrx",
896 [(set GPR:$dst, (ARMrrx GPR:$src))]>, UnaryDP;
898 // These aren't really mov instructions, but we have to define them this way
899 // due to flag operands.
901 let Defs = [CPSR] in {
902 def MOVsrl_flag : AI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo,
903 "mov", "s $dst, $src, lsr #1",
904 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP;
905 def MOVsra_flag : AI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo,
906 "mov", "s $dst, $src, asr #1",
907 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP;
910 //===----------------------------------------------------------------------===//
911 // Extend Instructions.
916 defm SXTB : AI_unary_rrot<0b01101010,
917 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
918 defm SXTH : AI_unary_rrot<0b01101011,
919 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
921 defm SXTAB : AI_bin_rrot<0b01101010,
922 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
923 defm SXTAH : AI_bin_rrot<0b01101011,
924 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
926 // TODO: SXT(A){B|H}16
930 let AddedComplexity = 16 in {
931 defm UXTB : AI_unary_rrot<0b01101110,
932 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
933 defm UXTH : AI_unary_rrot<0b01101111,
934 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
935 defm UXTB16 : AI_unary_rrot<0b01101100,
936 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
938 def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
939 (UXTB16r_rot GPR:$Src, 24)>;
940 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
941 (UXTB16r_rot GPR:$Src, 8)>;
943 defm UXTAB : AI_bin_rrot<0b01101110, "uxtab",
944 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
945 defm UXTAH : AI_bin_rrot<0b01101111, "uxtah",
946 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
949 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
950 //defm UXTAB16 : xxx<"uxtab16", 0xff00ff>;
952 // TODO: UXT(A){B|H}16
954 //===----------------------------------------------------------------------===//
955 // Arithmetic Instructions.
958 defm ADD : AsI1_bin_irs<0b0100, "add",
959 BinOpFrag<(add node:$LHS, node:$RHS)>, 1>;
960 defm SUB : AsI1_bin_irs<0b0010, "sub",
961 BinOpFrag<(sub node:$LHS, node:$RHS)>>;
963 // ADD and SUB with 's' bit set.
964 defm ADDS : AI1_bin_s_irs<0b0100, "add",
965 BinOpFrag<(addc node:$LHS, node:$RHS)>>;
966 defm SUBS : AI1_bin_s_irs<0b0010, "sub",
967 BinOpFrag<(subc node:$LHS, node:$RHS)>>;
969 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
970 BinOpFrag<(adde node:$LHS, node:$RHS)>, 1>;
971 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
972 BinOpFrag<(sube node:$LHS, node:$RHS)>>;
974 // These don't define reg/reg forms, because they are handled above.
975 def RSBri : AsI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
976 "rsb", " $dst, $a, $b",
977 [(set GPR:$dst, (sub so_imm:$b, GPR:$a))]>;
979 def RSBrs : AsI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
980 "rsb", " $dst, $a, $b",
981 [(set GPR:$dst, (sub so_reg:$b, GPR:$a))]>;
983 // RSB with 's' bit set.
984 let Defs = [CPSR] in {
985 def RSBSri : AI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
986 "rsb", "s $dst, $a, $b",
987 [(set GPR:$dst, (subc so_imm:$b, GPR:$a))]>;
988 def RSBSrs : AI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
989 "rsb", "s $dst, $a, $b",
990 [(set GPR:$dst, (subc so_reg:$b, GPR:$a))]>;
993 let Uses = [CPSR] in {
994 def RSCri : AsI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
995 DPFrm, "rsc", " $dst, $a, $b",
996 [(set GPR:$dst, (sube so_imm:$b, GPR:$a))]>,
997 Requires<[IsARM, CarryDefIsUnused]>;
998 def RSCrs : AsI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
999 DPSoRegFrm, "rsc", " $dst, $a, $b",
1000 [(set GPR:$dst, (sube so_reg:$b, GPR:$a))]>,
1001 Requires<[IsARM, CarryDefIsUnused]>;
1004 // FIXME: Allow these to be predicated.
1005 let Defs = [CPSR], Uses = [CPSR] in {
1006 def RSCSri : AXI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
1007 DPFrm, "rscs $dst, $a, $b",
1008 [(set GPR:$dst, (sube so_imm:$b, GPR:$a))]>,
1009 Requires<[IsARM, CarryDefIsUnused]>;
1010 def RSCSrs : AXI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
1011 DPSoRegFrm, "rscs $dst, $a, $b",
1012 [(set GPR:$dst, (sube so_reg:$b, GPR:$a))]>,
1013 Requires<[IsARM, CarryDefIsUnused]>;
1016 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
1017 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
1018 (SUBri GPR:$src, so_imm_neg:$imm)>;
1020 //def : ARMPat<(addc GPR:$src, so_imm_neg:$imm),
1021 // (SUBSri GPR:$src, so_imm_neg:$imm)>;
1022 //def : ARMPat<(adde GPR:$src, so_imm_neg:$imm),
1023 // (SBCri GPR:$src, so_imm_neg:$imm)>;
1025 // Note: These are implemented in C++ code, because they have to generate
1026 // ADD/SUBrs instructions, which use a complex pattern that a xform function
1028 // (mul X, 2^n+1) -> (add (X << n), X)
1029 // (mul X, 2^n-1) -> (rsb X, (X << n))
1032 //===----------------------------------------------------------------------===//
1033 // Bitwise Instructions.
1036 defm AND : AsI1_bin_irs<0b0000, "and",
1037 BinOpFrag<(and node:$LHS, node:$RHS)>, 1>;
1038 defm ORR : AsI1_bin_irs<0b1100, "orr",
1039 BinOpFrag<(or node:$LHS, node:$RHS)>, 1>;
1040 defm EOR : AsI1_bin_irs<0b0001, "eor",
1041 BinOpFrag<(xor node:$LHS, node:$RHS)>, 1>;
1042 defm BIC : AsI1_bin_irs<0b1110, "bic",
1043 BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
1045 def BFC : I<(outs GPR:$dst), (ins GPR:$src, bf_inv_mask_imm:$imm),
1046 AddrMode1, Size4Bytes, IndexModeNone, DPFrm,
1047 "bfc", " $dst, $imm", "$src = $dst",
1048 [(set GPR:$dst, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
1049 Requires<[IsARM, HasV6T2]> {
1050 let Inst{27-21} = 0b0111110;
1051 let Inst{6-0} = 0b0011111;
1054 def MVNr : AsI1<0b1111, (outs GPR:$dst), (ins GPR:$src), DPFrm,
1055 "mvn", " $dst, $src",
1056 [(set GPR:$dst, (not GPR:$src))]>, UnaryDP;
1057 def MVNs : AsI1<0b1111, (outs GPR:$dst), (ins so_reg:$src), DPSoRegFrm,
1058 "mvn", " $dst, $src",
1059 [(set GPR:$dst, (not so_reg:$src))]>, UnaryDP;
1060 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
1061 def MVNi : AsI1<0b1111, (outs GPR:$dst), (ins so_imm:$imm), DPFrm,
1062 "mvn", " $dst, $imm",
1063 [(set GPR:$dst, so_imm_not:$imm)]>,UnaryDP;
1065 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
1066 (BICri GPR:$src, so_imm_not:$imm)>;
1068 //===----------------------------------------------------------------------===//
1069 // Multiply Instructions.
1072 let isCommutable = 1 in
1073 def MUL : AsMul1I<0b0000000, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1074 "mul", " $dst, $a, $b",
1075 [(set GPR:$dst, (mul GPR:$a, GPR:$b))]>;
1077 def MLA : AsMul1I<0b0000001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1078 "mla", " $dst, $a, $b, $c",
1079 [(set GPR:$dst, (add (mul GPR:$a, GPR:$b), GPR:$c))]>;
1081 def MLS : AMul1I <0b0000011, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1082 "mls", " $dst, $a, $b, $c",
1083 [(set GPR:$dst, (sub GPR:$c, (mul GPR:$a, GPR:$b)))]>,
1084 Requires<[IsARM, HasV6T2]>;
1086 // Extra precision multiplies with low / high results
1087 let neverHasSideEffects = 1 in {
1088 let isCommutable = 1 in {
1089 def SMULL : AsMul1I<0b0000110, (outs GPR:$ldst, GPR:$hdst),
1090 (ins GPR:$a, GPR:$b),
1091 "smull", " $ldst, $hdst, $a, $b", []>;
1093 def UMULL : AsMul1I<0b0000100, (outs GPR:$ldst, GPR:$hdst),
1094 (ins GPR:$a, GPR:$b),
1095 "umull", " $ldst, $hdst, $a, $b", []>;
1098 // Multiply + accumulate
1099 def SMLAL : AsMul1I<0b0000111, (outs GPR:$ldst, GPR:$hdst),
1100 (ins GPR:$a, GPR:$b),
1101 "smlal", " $ldst, $hdst, $a, $b", []>;
1103 def UMLAL : AsMul1I<0b0000101, (outs GPR:$ldst, GPR:$hdst),
1104 (ins GPR:$a, GPR:$b),
1105 "umlal", " $ldst, $hdst, $a, $b", []>;
1107 def UMAAL : AMul1I <0b0000010, (outs GPR:$ldst, GPR:$hdst),
1108 (ins GPR:$a, GPR:$b),
1109 "umaal", " $ldst, $hdst, $a, $b", []>,
1110 Requires<[IsARM, HasV6]>;
1111 } // neverHasSideEffects
1113 // Most significant word multiply
1114 def SMMUL : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1115 "smmul", " $dst, $a, $b",
1116 [(set GPR:$dst, (mulhs GPR:$a, GPR:$b))]>,
1117 Requires<[IsARM, HasV6]> {
1118 let Inst{7-4} = 0b0001;
1119 let Inst{15-12} = 0b1111;
1122 def SMMLA : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1123 "smmla", " $dst, $a, $b, $c",
1124 [(set GPR:$dst, (add (mulhs GPR:$a, GPR:$b), GPR:$c))]>,
1125 Requires<[IsARM, HasV6]> {
1126 let Inst{7-4} = 0b0001;
1130 def SMMLS : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1131 "smmls", " $dst, $a, $b, $c",
1132 [(set GPR:$dst, (sub GPR:$c, (mulhs GPR:$a, GPR:$b)))]>,
1133 Requires<[IsARM, HasV6]> {
1134 let Inst{7-4} = 0b1101;
1137 multiclass AI_smul<string opc, PatFrag opnode> {
1138 def BB : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1139 !strconcat(opc, "bb"), " $dst, $a, $b",
1140 [(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16),
1141 (sext_inreg GPR:$b, i16)))]>,
1142 Requires<[IsARM, HasV5TE]> {
1147 def BT : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1148 !strconcat(opc, "bt"), " $dst, $a, $b",
1149 [(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16),
1150 (sra GPR:$b, (i32 16))))]>,
1151 Requires<[IsARM, HasV5TE]> {
1156 def TB : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1157 !strconcat(opc, "tb"), " $dst, $a, $b",
1158 [(set GPR:$dst, (opnode (sra GPR:$a, (i32 16)),
1159 (sext_inreg GPR:$b, i16)))]>,
1160 Requires<[IsARM, HasV5TE]> {
1165 def TT : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1166 !strconcat(opc, "tt"), " $dst, $a, $b",
1167 [(set GPR:$dst, (opnode (sra GPR:$a, (i32 16)),
1168 (sra GPR:$b, (i32 16))))]>,
1169 Requires<[IsARM, HasV5TE]> {
1174 def WB : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1175 !strconcat(opc, "wb"), " $dst, $a, $b",
1176 [(set GPR:$dst, (sra (opnode GPR:$a,
1177 (sext_inreg GPR:$b, i16)), (i32 16)))]>,
1178 Requires<[IsARM, HasV5TE]> {
1183 def WT : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1184 !strconcat(opc, "wt"), " $dst, $a, $b",
1185 [(set GPR:$dst, (sra (opnode GPR:$a,
1186 (sra GPR:$b, (i32 16))), (i32 16)))]>,
1187 Requires<[IsARM, HasV5TE]> {
1194 multiclass AI_smla<string opc, PatFrag opnode> {
1195 def BB : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1196 !strconcat(opc, "bb"), " $dst, $a, $b, $acc",
1197 [(set GPR:$dst, (add GPR:$acc,
1198 (opnode (sext_inreg GPR:$a, i16),
1199 (sext_inreg GPR:$b, i16))))]>,
1200 Requires<[IsARM, HasV5TE]> {
1205 def BT : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1206 !strconcat(opc, "bt"), " $dst, $a, $b, $acc",
1207 [(set GPR:$dst, (add GPR:$acc, (opnode (sext_inreg GPR:$a, i16),
1208 (sra GPR:$b, (i32 16)))))]>,
1209 Requires<[IsARM, HasV5TE]> {
1214 def TB : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1215 !strconcat(opc, "tb"), " $dst, $a, $b, $acc",
1216 [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, (i32 16)),
1217 (sext_inreg GPR:$b, i16))))]>,
1218 Requires<[IsARM, HasV5TE]> {
1223 def TT : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1224 !strconcat(opc, "tt"), " $dst, $a, $b, $acc",
1225 [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, (i32 16)),
1226 (sra GPR:$b, (i32 16)))))]>,
1227 Requires<[IsARM, HasV5TE]> {
1232 def WB : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1233 !strconcat(opc, "wb"), " $dst, $a, $b, $acc",
1234 [(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a,
1235 (sext_inreg GPR:$b, i16)), (i32 16))))]>,
1236 Requires<[IsARM, HasV5TE]> {
1241 def WT : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1242 !strconcat(opc, "wt"), " $dst, $a, $b, $acc",
1243 [(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a,
1244 (sra GPR:$b, (i32 16))), (i32 16))))]>,
1245 Requires<[IsARM, HasV5TE]> {
1251 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
1252 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
1254 // TODO: Halfword multiple accumulate long: SMLAL<x><y>
1255 // TODO: Dual halfword multiple: SMUAD, SMUSD, SMLAD, SMLSD, SMLALD, SMLSLD
1257 //===----------------------------------------------------------------------===//
1258 // Misc. Arithmetic Instructions.
1261 def CLZ : AMiscA1I<0b000010110, (outs GPR:$dst), (ins GPR:$src),
1262 "clz", " $dst, $src",
1263 [(set GPR:$dst, (ctlz GPR:$src))]>, Requires<[IsARM, HasV5T]> {
1264 let Inst{7-4} = 0b0001;
1265 let Inst{11-8} = 0b1111;
1266 let Inst{19-16} = 0b1111;
1269 def REV : AMiscA1I<0b01101011, (outs GPR:$dst), (ins GPR:$src),
1270 "rev", " $dst, $src",
1271 [(set GPR:$dst, (bswap GPR:$src))]>, Requires<[IsARM, HasV6]> {
1272 let Inst{7-4} = 0b0011;
1273 let Inst{11-8} = 0b1111;
1274 let Inst{19-16} = 0b1111;
1277 def REV16 : AMiscA1I<0b01101011, (outs GPR:$dst), (ins GPR:$src),
1278 "rev16", " $dst, $src",
1280 (or (and (srl GPR:$src, (i32 8)), 0xFF),
1281 (or (and (shl GPR:$src, (i32 8)), 0xFF00),
1282 (or (and (srl GPR:$src, (i32 8)), 0xFF0000),
1283 (and (shl GPR:$src, (i32 8)), 0xFF000000)))))]>,
1284 Requires<[IsARM, HasV6]> {
1285 let Inst{7-4} = 0b1011;
1286 let Inst{11-8} = 0b1111;
1287 let Inst{19-16} = 0b1111;
1290 def REVSH : AMiscA1I<0b01101111, (outs GPR:$dst), (ins GPR:$src),
1291 "revsh", " $dst, $src",
1294 (or (srl (and GPR:$src, 0xFF00), (i32 8)),
1295 (shl GPR:$src, (i32 8))), i16))]>,
1296 Requires<[IsARM, HasV6]> {
1297 let Inst{7-4} = 0b1011;
1298 let Inst{11-8} = 0b1111;
1299 let Inst{19-16} = 0b1111;
1302 def PKHBT : AMiscA1I<0b01101000, (outs GPR:$dst),
1303 (ins GPR:$src1, GPR:$src2, i32imm:$shamt),
1304 "pkhbt", " $dst, $src1, $src2, LSL $shamt",
1305 [(set GPR:$dst, (or (and GPR:$src1, 0xFFFF),
1306 (and (shl GPR:$src2, (i32 imm:$shamt)),
1308 Requires<[IsARM, HasV6]> {
1309 let Inst{6-4} = 0b001;
1312 // Alternate cases for PKHBT where identities eliminate some nodes.
1313 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF), (and GPR:$src2, 0xFFFF0000)),
1314 (PKHBT GPR:$src1, GPR:$src2, 0)>;
1315 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF), (shl GPR:$src2, imm16_31:$shamt)),
1316 (PKHBT GPR:$src1, GPR:$src2, imm16_31:$shamt)>;
1319 def PKHTB : AMiscA1I<0b01101000, (outs GPR:$dst),
1320 (ins GPR:$src1, GPR:$src2, i32imm:$shamt),
1321 "pkhtb", " $dst, $src1, $src2, ASR $shamt",
1322 [(set GPR:$dst, (or (and GPR:$src1, 0xFFFF0000),
1323 (and (sra GPR:$src2, imm16_31:$shamt),
1324 0xFFFF)))]>, Requires<[IsARM, HasV6]> {
1325 let Inst{6-4} = 0b101;
1328 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
1329 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
1330 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000), (srl GPR:$src2, (i32 16))),
1331 (PKHTB GPR:$src1, GPR:$src2, 16)>;
1332 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000),
1333 (and (srl GPR:$src2, imm1_15:$shamt), 0xFFFF)),
1334 (PKHTB GPR:$src1, GPR:$src2, imm1_15:$shamt)>;
1336 //===----------------------------------------------------------------------===//
1337 // Comparison Instructions...
1340 defm CMP : AI1_cmp_irs<0b1010, "cmp",
1341 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
1342 defm CMN : AI1_cmp_irs<0b1011, "cmn",
1343 BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
1345 // Note that TST/TEQ don't set all the same flags that CMP does!
1346 defm TST : AI1_cmp_irs<0b1000, "tst",
1347 BinOpFrag<(ARMcmpZ (and node:$LHS, node:$RHS), 0)>, 1>;
1348 defm TEQ : AI1_cmp_irs<0b1001, "teq",
1349 BinOpFrag<(ARMcmpZ (xor node:$LHS, node:$RHS), 0)>, 1>;
1351 defm CMPz : AI1_cmp_irs<0b1010, "cmp",
1352 BinOpFrag<(ARMcmpZ node:$LHS, node:$RHS)>>;
1353 defm CMNz : AI1_cmp_irs<0b1011, "cmn",
1354 BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>>;
1356 def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
1357 (CMNri GPR:$src, so_imm_neg:$imm)>;
1359 def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
1360 (CMNri GPR:$src, so_imm_neg:$imm)>;
1363 // Conditional moves
1364 // FIXME: should be able to write a pattern for ARMcmov, but can't use
1365 // a two-value operand where a dag node expects two operands. :(
1366 def MOVCCr : AI1<0b1101, (outs GPR:$dst), (ins GPR:$false, GPR:$true), DPFrm,
1367 "mov", " $dst, $true",
1368 [/*(set GPR:$dst, (ARMcmov GPR:$false, GPR:$true, imm:$cc, CCR:$ccr))*/]>,
1369 RegConstraint<"$false = $dst">, UnaryDP;
1371 def MOVCCs : AI1<0b1101, (outs GPR:$dst),
1372 (ins GPR:$false, so_reg:$true), DPSoRegFrm,
1373 "mov", " $dst, $true",
1374 [/*(set GPR:$dst, (ARMcmov GPR:$false, so_reg:$true, imm:$cc, CCR:$ccr))*/]>,
1375 RegConstraint<"$false = $dst">, UnaryDP;
1377 def MOVCCi : AI1<0b1101, (outs GPR:$dst),
1378 (ins GPR:$false, so_imm:$true), DPFrm,
1379 "mov", " $dst, $true",
1380 [/*(set GPR:$dst, (ARMcmov GPR:$false, so_imm:$true, imm:$cc, CCR:$ccr))*/]>,
1381 RegConstraint<"$false = $dst">, UnaryDP;
1384 //===----------------------------------------------------------------------===//
1388 // __aeabi_read_tp preserves the registers r1-r3.
1390 Defs = [R0, R12, LR, CPSR] in {
1391 def TPsoft : ABXI<0b1011, (outs), (ins),
1392 "bl __aeabi_read_tp",
1393 [(set R0, ARMthread_pointer)]>;
1396 //===----------------------------------------------------------------------===//
1397 // SJLJ Exception handling intrinsics
1398 // eh_sjlj_setjmp() is a three instruction sequence to store the return
1399 // address and save #0 in R0 for the non-longjmp case.
1400 // Since by its nature we may be coming from some other function to get
1401 // here, and we're using the stack frame for the containing function to
1402 // save/restore registers, we can't keep anything live in regs across
1403 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
1404 // when we get here from a longjmp(). We force everthing out of registers
1405 // except for our own input by listing the relevant registers in Defs. By
1406 // doing so, we also cause the prologue/epilogue code to actively preserve
1407 // all of the callee-saved resgisters, which is exactly what we want.
1409 [ R0, R1, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR,
1410 D0, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15,
1411 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26, D27, D28, D29, D30,
1413 def Int_eh_sjlj_setjmp : XI<(outs), (ins GPR:$src),
1414 AddrModeNone, SizeSpecial, IndexModeNone, Pseudo,
1415 "add r0, pc, #4\n\t"
1416 "str r0, [$src, #+4]\n\t"
1417 "mov r0, #0 @ eh_setjmp", "",
1418 [(set R0, (ARMeh_sjlj_setjmp GPR:$src))]>;
1421 //===----------------------------------------------------------------------===//
1422 // Non-Instruction Patterns
1425 // ConstantPool, GlobalAddress, and JumpTable
1426 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>;
1427 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
1428 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
1429 (LEApcrelJT tjumptable:$dst, imm:$id)>;
1431 // Large immediate handling.
1433 // Two piece so_imms.
1434 let isReMaterializable = 1 in
1435 def MOVi2pieces : AI1x2<(outs GPR:$dst), (ins so_imm2part:$src), Pseudo,
1436 "mov", " $dst, $src",
1437 [(set GPR:$dst, so_imm2part:$src)]>;
1439 def : ARMPat<(or GPR:$LHS, so_imm2part:$RHS),
1440 (ORRri (ORRri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
1441 (so_imm2part_2 imm:$RHS))>;
1442 def : ARMPat<(xor GPR:$LHS, so_imm2part:$RHS),
1443 (EORri (EORri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
1444 (so_imm2part_2 imm:$RHS))>;
1446 // TODO: add,sub,and, 3-instr forms?
1450 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>,
1451 Requires<[IsARM, IsNotDarwin]>;
1452 def : ARMPat<(ARMcall texternalsym:$func), (BLr9 texternalsym:$func)>,
1453 Requires<[IsARM, IsDarwin]>;
1455 // zextload i1 -> zextload i8
1456 def : ARMPat<(zextloadi1 addrmode2:$addr), (LDRB addrmode2:$addr)>;
1458 // extload -> zextload
1459 def : ARMPat<(extloadi1 addrmode2:$addr), (LDRB addrmode2:$addr)>;
1460 def : ARMPat<(extloadi8 addrmode2:$addr), (LDRB addrmode2:$addr)>;
1461 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
1463 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
1464 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
1467 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
1468 (sra (shl GPR:$b, (i32 16)), (i32 16))),
1469 (SMULBB GPR:$a, GPR:$b)>;
1470 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
1471 (SMULBB GPR:$a, GPR:$b)>;
1472 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
1473 (sra GPR:$b, (i32 16))),
1474 (SMULBT GPR:$a, GPR:$b)>;
1475 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
1476 (SMULBT GPR:$a, GPR:$b)>;
1477 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
1478 (sra (shl GPR:$b, (i32 16)), (i32 16))),
1479 (SMULTB GPR:$a, GPR:$b)>;
1480 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
1481 (SMULTB GPR:$a, GPR:$b)>;
1482 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
1484 (SMULWB GPR:$a, GPR:$b)>;
1485 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
1486 (SMULWB GPR:$a, GPR:$b)>;
1488 def : ARMV5TEPat<(add GPR:$acc,
1489 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
1490 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
1491 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
1492 def : ARMV5TEPat<(add GPR:$acc,
1493 (mul sext_16_node:$a, sext_16_node:$b)),
1494 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
1495 def : ARMV5TEPat<(add GPR:$acc,
1496 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
1497 (sra GPR:$b, (i32 16)))),
1498 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
1499 def : ARMV5TEPat<(add GPR:$acc,
1500 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
1501 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
1502 def : ARMV5TEPat<(add GPR:$acc,
1503 (mul (sra GPR:$a, (i32 16)),
1504 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
1505 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
1506 def : ARMV5TEPat<(add GPR:$acc,
1507 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
1508 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
1509 def : ARMV5TEPat<(add GPR:$acc,
1510 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
1512 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
1513 def : ARMV5TEPat<(add GPR:$acc,
1514 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
1515 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
1517 //===----------------------------------------------------------------------===//
1521 include "ARMInstrThumb.td"
1523 //===----------------------------------------------------------------------===//
1527 include "ARMInstrThumb2.td"
1529 //===----------------------------------------------------------------------===//
1530 // Floating Point Support
1533 include "ARMInstrVFP.td"
1535 //===----------------------------------------------------------------------===//
1536 // Advanced SIMD (NEON) Support
1539 include "ARMInstrNEON.td"