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_ARMCmp : SDTypeProfile<0, 2, [SDTCisSameAs<0, 1>]>;
39 def SDT_ARMPICAdd : SDTypeProfile<1, 2, [SDTCisSameAs<0, 1>,
40 SDTCisPtrTy<1>, SDTCisVT<2, i32>]>;
42 def SDT_ARMThreadPointer : SDTypeProfile<1, 0, [SDTCisPtrTy<0>]>;
43 def SDT_ARMEH_SJLJ_Setjmp : SDTypeProfile<1, 1, [SDTCisInt<0>, SDTCisPtrTy<1>]>;
46 def ARMWrapper : SDNode<"ARMISD::Wrapper", SDTIntUnaryOp>;
47 def ARMWrapperJT : SDNode<"ARMISD::WrapperJT", SDTIntBinOp>;
49 def ARMcallseq_start : SDNode<"ISD::CALLSEQ_START", SDT_ARMCallSeqStart,
50 [SDNPHasChain, SDNPOutFlag]>;
51 def ARMcallseq_end : SDNode<"ISD::CALLSEQ_END", SDT_ARMCallSeqEnd,
52 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
54 def ARMcall : SDNode<"ARMISD::CALL", SDT_ARMcall,
55 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
56 def ARMcall_pred : SDNode<"ARMISD::CALL_PRED", SDT_ARMcall,
57 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
58 def ARMcall_nolink : SDNode<"ARMISD::CALL_NOLINK", SDT_ARMcall,
59 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
61 def ARMretflag : SDNode<"ARMISD::RET_FLAG", SDTNone,
62 [SDNPHasChain, SDNPOptInFlag]>;
64 def ARMcmov : SDNode<"ARMISD::CMOV", SDT_ARMCMov,
66 def ARMcneg : SDNode<"ARMISD::CNEG", SDT_ARMCMov,
69 def ARMbrcond : SDNode<"ARMISD::BRCOND", SDT_ARMBrcond,
70 [SDNPHasChain, SDNPInFlag, SDNPOutFlag]>;
72 def ARMbrjt : SDNode<"ARMISD::BR_JT", SDT_ARMBrJT,
75 def ARMcmp : SDNode<"ARMISD::CMP", SDT_ARMCmp,
78 def ARMcmpZ : SDNode<"ARMISD::CMPZ", SDT_ARMCmp,
79 [SDNPOutFlag,SDNPCommutative]>;
81 def ARMpic_add : SDNode<"ARMISD::PIC_ADD", SDT_ARMPICAdd>;
83 def ARMsrl_flag : SDNode<"ARMISD::SRL_FLAG", SDTIntUnaryOp, [SDNPOutFlag]>;
84 def ARMsra_flag : SDNode<"ARMISD::SRA_FLAG", SDTIntUnaryOp, [SDNPOutFlag]>;
85 def ARMrrx : SDNode<"ARMISD::RRX" , SDTIntUnaryOp, [SDNPInFlag ]>;
87 def ARMthread_pointer: SDNode<"ARMISD::THREAD_POINTER", SDT_ARMThreadPointer>;
88 def ARMeh_sjlj_setjmp: SDNode<"ARMISD::EH_SJLJ_SETJMP", SDT_ARMEH_SJLJ_Setjmp>;
90 //===----------------------------------------------------------------------===//
91 // ARM Instruction Predicate Definitions.
93 def HasV5T : Predicate<"Subtarget->hasV5TOps()">;
94 def HasV5TE : Predicate<"Subtarget->hasV5TEOps()">;
95 def HasV6 : Predicate<"Subtarget->hasV6Ops()">;
96 def HasV6T2 : Predicate<"Subtarget->hasV6T2Ops()">;
97 def HasV7 : Predicate<"Subtarget->hasV7Ops()">;
98 def HasVFP2 : Predicate<"Subtarget->hasVFP2()">;
99 def HasVFP3 : Predicate<"Subtarget->hasVFP3()">;
100 def HasNEON : Predicate<"Subtarget->hasNEON()">;
101 def IsThumb : Predicate<"Subtarget->isThumb()">;
102 def IsThumb1Only : Predicate<"Subtarget->isThumb1Only()">;
103 def IsThumb2 : Predicate<"Subtarget->isThumb2()">;
104 def IsARM : Predicate<"!Subtarget->isThumb()">;
105 def IsDarwin : Predicate<"Subtarget->isTargetDarwin()">;
106 def IsNotDarwin : Predicate<"!Subtarget->isTargetDarwin()">;
107 def CarryDefIsUnused : Predicate<"!N.getNode()->hasAnyUseOfValue(1)">;
108 def CarryDefIsUsed : Predicate<"N.getNode()->hasAnyUseOfValue(1)">;
110 //===----------------------------------------------------------------------===//
111 // ARM Flag Definitions.
113 class RegConstraint<string C> {
114 string Constraints = C;
117 //===----------------------------------------------------------------------===//
118 // ARM specific transformation functions and pattern fragments.
121 // so_imm_neg_XFORM - Return a so_imm value packed into the format described for
122 // so_imm_neg def below.
123 def so_imm_neg_XFORM : SDNodeXForm<imm, [{
124 return CurDAG->getTargetConstant(-(int)N->getZExtValue(), MVT::i32);
127 // so_imm_not_XFORM - Return a so_imm value packed into the format described for
128 // so_imm_not def below.
129 def so_imm_not_XFORM : SDNodeXForm<imm, [{
130 return CurDAG->getTargetConstant(~(int)N->getZExtValue(), MVT::i32);
133 // rot_imm predicate - True if the 32-bit immediate is equal to 8, 16, or 24.
134 def rot_imm : PatLeaf<(i32 imm), [{
135 int32_t v = (int32_t)N->getZExtValue();
136 return v == 8 || v == 16 || v == 24;
139 /// imm1_15 predicate - True if the 32-bit immediate is in the range [1,15].
140 def imm1_15 : PatLeaf<(i32 imm), [{
141 return (int32_t)N->getZExtValue() >= 1 && (int32_t)N->getZExtValue() < 16;
144 /// imm16_31 predicate - True if the 32-bit immediate is in the range [16,31].
145 def imm16_31 : PatLeaf<(i32 imm), [{
146 return (int32_t)N->getZExtValue() >= 16 && (int32_t)N->getZExtValue() < 32;
151 return ARM_AM::getSOImmVal(-(int)N->getZExtValue()) != -1;
152 }], so_imm_neg_XFORM>;
156 return ARM_AM::getSOImmVal(~(int)N->getZExtValue()) != -1;
157 }], so_imm_not_XFORM>;
159 // sext_16_node predicate - True if the SDNode is sign-extended 16 or more bits.
160 def sext_16_node : PatLeaf<(i32 GPR:$a), [{
161 return CurDAG->ComputeNumSignBits(SDValue(N,0)) >= 17;
164 /// bf_inv_mask_imm predicate - An AND mask to clear an arbitrary width bitfield
166 def bf_inv_mask_imm : Operand<i32>,
168 uint32_t v = (uint32_t)N->getZExtValue();
171 // naive checker. should do better, but simple is best for now since it's
172 // more likely to be correct.
173 while (v & 1) v >>= 1; // shift off the leading 1's
176 while (!(v & 1)) v >>=1; // shift off the mask
177 while (v & 1) v >>= 1; // shift off the trailing 1's
179 // if this is a mask for clearing a bitfield, what's left should be zero.
182 let PrintMethod = "printBitfieldInvMaskImmOperand";
185 class BinOpFrag<dag res> : PatFrag<(ops node:$LHS, node:$RHS), res>;
186 class UnOpFrag <dag res> : PatFrag<(ops node:$Src), res>;
188 //===----------------------------------------------------------------------===//
189 // Operand Definitions.
193 def brtarget : Operand<OtherVT>;
195 // A list of registers separated by comma. Used by load/store multiple.
196 def reglist : Operand<i32> {
197 let PrintMethod = "printRegisterList";
200 // An operand for the CONSTPOOL_ENTRY pseudo-instruction.
201 def cpinst_operand : Operand<i32> {
202 let PrintMethod = "printCPInstOperand";
205 def jtblock_operand : Operand<i32> {
206 let PrintMethod = "printJTBlockOperand";
210 def pclabel : Operand<i32> {
211 let PrintMethod = "printPCLabel";
214 // shifter_operand operands: so_reg and so_imm.
215 def so_reg : Operand<i32>, // reg reg imm
216 ComplexPattern<i32, 3, "SelectShifterOperandReg",
217 [shl,srl,sra,rotr]> {
218 let PrintMethod = "printSORegOperand";
219 let MIOperandInfo = (ops GPR, GPR, i32imm);
222 // so_imm - Match a 32-bit shifter_operand immediate operand, which is an
223 // 8-bit immediate rotated by an arbitrary number of bits. so_imm values are
224 // represented in the imm field in the same 12-bit form that they are encoded
225 // into so_imm instructions: the 8-bit immediate is the least significant bits
226 // [bits 0-7], the 4-bit shift amount is the next 4 bits [bits 8-11].
227 def so_imm : Operand<i32>,
229 return ARM_AM::getSOImmVal(N->getZExtValue()) != -1;
231 let PrintMethod = "printSOImmOperand";
234 // Break so_imm's up into two pieces. This handles immediates with up to 16
235 // bits set in them. This uses so_imm2part to match and so_imm2part_[12] to
236 // get the first/second pieces.
237 def so_imm2part : Operand<i32>,
239 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
241 let PrintMethod = "printSOImm2PartOperand";
244 def so_imm2part_1 : SDNodeXForm<imm, [{
245 unsigned V = ARM_AM::getSOImmTwoPartFirst((unsigned)N->getZExtValue());
246 return CurDAG->getTargetConstant(V, MVT::i32);
249 def so_imm2part_2 : SDNodeXForm<imm, [{
250 unsigned V = ARM_AM::getSOImmTwoPartSecond((unsigned)N->getZExtValue());
251 return CurDAG->getTargetConstant(V, MVT::i32);
255 // Define ARM specific addressing modes.
257 // addrmode2 := reg +/- reg shop imm
258 // addrmode2 := reg +/- imm12
260 def addrmode2 : Operand<i32>,
261 ComplexPattern<i32, 3, "SelectAddrMode2", []> {
262 let PrintMethod = "printAddrMode2Operand";
263 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
266 def am2offset : Operand<i32>,
267 ComplexPattern<i32, 2, "SelectAddrMode2Offset", []> {
268 let PrintMethod = "printAddrMode2OffsetOperand";
269 let MIOperandInfo = (ops GPR, i32imm);
272 // addrmode3 := reg +/- reg
273 // addrmode3 := reg +/- imm8
275 def addrmode3 : Operand<i32>,
276 ComplexPattern<i32, 3, "SelectAddrMode3", []> {
277 let PrintMethod = "printAddrMode3Operand";
278 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
281 def am3offset : Operand<i32>,
282 ComplexPattern<i32, 2, "SelectAddrMode3Offset", []> {
283 let PrintMethod = "printAddrMode3OffsetOperand";
284 let MIOperandInfo = (ops GPR, i32imm);
287 // addrmode4 := reg, <mode|W>
289 def addrmode4 : Operand<i32>,
290 ComplexPattern<i32, 2, "", []> {
291 let PrintMethod = "printAddrMode4Operand";
292 let MIOperandInfo = (ops GPR, i32imm);
295 // addrmode5 := reg +/- imm8*4
297 def addrmode5 : Operand<i32>,
298 ComplexPattern<i32, 2, "SelectAddrMode5", []> {
299 let PrintMethod = "printAddrMode5Operand";
300 let MIOperandInfo = (ops GPR, i32imm);
303 // addrmode6 := reg with optional writeback
305 def addrmode6 : Operand<i32>,
306 ComplexPattern<i32, 3, "SelectAddrMode6", []> {
307 let PrintMethod = "printAddrMode6Operand";
308 let MIOperandInfo = (ops GPR:$addr, GPR:$upd, i32imm);
311 // addrmodepc := pc + reg
313 def addrmodepc : Operand<i32>,
314 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
315 let PrintMethod = "printAddrModePCOperand";
316 let MIOperandInfo = (ops GPR, i32imm);
319 // ARM Predicate operand. Default to 14 = always (AL). Second part is CC
320 // register whose default is 0 (no register).
321 def pred : PredicateOperand<OtherVT, (ops i32imm, CCR),
322 (ops (i32 14), (i32 zero_reg))> {
323 let PrintMethod = "printPredicateOperand";
326 // Conditional code result for instructions whose 's' bit is set, e.g. subs.
328 def cc_out : OptionalDefOperand<OtherVT, (ops CCR), (ops (i32 zero_reg))> {
329 let PrintMethod = "printSBitModifierOperand";
332 //===----------------------------------------------------------------------===//
334 include "ARMInstrFormats.td"
336 //===----------------------------------------------------------------------===//
337 // Multiclass helpers...
340 /// AsI1_bin_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns for a
341 /// binop that produces a value.
342 multiclass AsI1_bin_irs<bits<4> opcod, string opc, PatFrag opnode,
343 bit Commutable = 0> {
344 def ri : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
345 opc, " $dst, $a, $b",
346 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]> {
349 def rr : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
350 opc, " $dst, $a, $b",
351 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]> {
353 let isCommutable = Commutable;
355 def rs : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
356 opc, " $dst, $a, $b",
357 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]> {
362 /// AI1_bin_s_irs - Similar to AsI1_bin_irs except it sets the 's' bit so the
363 /// instruction modifies the CSPR register.
364 let Defs = [CPSR] in {
365 multiclass AI1_bin_s_irs<bits<4> opcod, string opc, PatFrag opnode,
366 bit Commutable = 0> {
367 def ri : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
368 opc, "s $dst, $a, $b",
369 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]> {
372 def rr : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
373 opc, "s $dst, $a, $b",
374 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]> {
375 let isCommutable = Commutable;
378 def rs : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
379 opc, "s $dst, $a, $b",
380 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]> {
386 /// AI1_cmp_irs - Defines a set of (op r, {so_imm|r|so_reg}) cmp / test
387 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
388 /// a explicit result, only implicitly set CPSR.
389 let Defs = [CPSR] in {
390 multiclass AI1_cmp_irs<bits<4> opcod, string opc, PatFrag opnode,
391 bit Commutable = 0> {
392 def ri : AI1<opcod, (outs), (ins GPR:$a, so_imm:$b), DPFrm,
394 [(opnode GPR:$a, so_imm:$b)]> {
397 def rr : AI1<opcod, (outs), (ins GPR:$a, GPR:$b), DPFrm,
399 [(opnode GPR:$a, GPR:$b)]> {
401 let isCommutable = Commutable;
403 def rs : AI1<opcod, (outs), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
405 [(opnode GPR:$a, so_reg:$b)]> {
411 /// AI_unary_rrot - A unary operation with two forms: one whose operand is a
412 /// register and one whose operand is a register rotated by 8/16/24.
413 /// FIXME: Remove the 'r' variant. Its rot_imm is zero.
414 multiclass AI_unary_rrot<bits<8> opcod, string opc, PatFrag opnode> {
415 def r : AExtI<opcod, (outs GPR:$dst), (ins GPR:$Src),
417 [(set GPR:$dst, (opnode GPR:$Src))]>,
418 Requires<[IsARM, HasV6]> {
419 let Inst{19-16} = 0b1111;
421 def r_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$Src, i32imm:$rot),
422 opc, " $dst, $Src, ror $rot",
423 [(set GPR:$dst, (opnode (rotr GPR:$Src, rot_imm:$rot)))]>,
424 Requires<[IsARM, HasV6]> {
425 let Inst{19-16} = 0b1111;
429 /// AI_bin_rrot - A binary operation with two forms: one whose operand is a
430 /// register and one whose operand is a register rotated by 8/16/24.
431 multiclass AI_bin_rrot<bits<8> opcod, string opc, PatFrag opnode> {
432 def rr : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS),
433 opc, " $dst, $LHS, $RHS",
434 [(set GPR:$dst, (opnode GPR:$LHS, GPR:$RHS))]>,
435 Requires<[IsARM, HasV6]>;
436 def rr_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS, i32imm:$rot),
437 opc, " $dst, $LHS, $RHS, ror $rot",
438 [(set GPR:$dst, (opnode GPR:$LHS,
439 (rotr GPR:$RHS, rot_imm:$rot)))]>,
440 Requires<[IsARM, HasV6]>;
443 /// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
444 let Uses = [CPSR] in {
445 multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode,
446 bit Commutable = 0> {
447 def ri : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
448 DPFrm, opc, " $dst, $a, $b",
449 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]>,
450 Requires<[IsARM, CarryDefIsUnused]> {
453 def rr : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
454 DPFrm, opc, " $dst, $a, $b",
455 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]>,
456 Requires<[IsARM, CarryDefIsUnused]> {
457 let isCommutable = Commutable;
460 def rs : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
461 DPSoRegFrm, opc, " $dst, $a, $b",
462 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]>,
463 Requires<[IsARM, CarryDefIsUnused]> {
466 // Carry setting variants
467 def Sri : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
468 DPFrm, !strconcat(opc, "s $dst, $a, $b"),
469 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]>,
470 Requires<[IsARM, CarryDefIsUsed]> {
474 def Srr : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
475 DPFrm, !strconcat(opc, "s $dst, $a, $b"),
476 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]>,
477 Requires<[IsARM, CarryDefIsUsed]> {
481 def Srs : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
482 DPSoRegFrm, !strconcat(opc, "s $dst, $a, $b"),
483 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]>,
484 Requires<[IsARM, CarryDefIsUsed]> {
491 //===----------------------------------------------------------------------===//
493 //===----------------------------------------------------------------------===//
495 //===----------------------------------------------------------------------===//
496 // Miscellaneous Instructions.
499 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
500 /// the function. The first operand is the ID# for this instruction, the second
501 /// is the index into the MachineConstantPool that this is, the third is the
502 /// size in bytes of this constant pool entry.
503 let neverHasSideEffects = 1, isNotDuplicable = 1 in
504 def CONSTPOOL_ENTRY :
505 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
507 "${instid:label} ${cpidx:cpentry}", []>;
509 let Defs = [SP], Uses = [SP] in {
511 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p),
512 "@ ADJCALLSTACKUP $amt1",
513 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
515 def ADJCALLSTACKDOWN :
516 PseudoInst<(outs), (ins i32imm:$amt, pred:$p),
517 "@ ADJCALLSTACKDOWN $amt",
518 [(ARMcallseq_start timm:$amt)]>;
522 PseudoInst<(outs), (ins i32imm:$line, i32imm:$col, i32imm:$file),
523 ".loc $file, $line, $col",
524 [(dwarf_loc (i32 imm:$line), (i32 imm:$col), (i32 imm:$file))]>;
527 // Address computation and loads and stores in PIC mode.
528 let isNotDuplicable = 1 in {
529 def PICADD : AXI1<0b0100, (outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
530 Pseudo, "$cp:\n\tadd$p $dst, pc, $a",
531 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
533 let AddedComplexity = 10 in {
534 let canFoldAsLoad = 1 in
535 def PICLDR : AXI2ldw<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
536 Pseudo, "${addr:label}:\n\tldr$p $dst, $addr",
537 [(set GPR:$dst, (load addrmodepc:$addr))]>;
539 def PICLDRH : AXI3ldh<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
540 Pseudo, "${addr:label}:\n\tldr${p}h $dst, $addr",
541 [(set GPR:$dst, (zextloadi16 addrmodepc:$addr))]>;
543 def PICLDRB : AXI2ldb<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
544 Pseudo, "${addr:label}:\n\tldr${p}b $dst, $addr",
545 [(set GPR:$dst, (zextloadi8 addrmodepc:$addr))]>;
547 def PICLDRSH : AXI3ldsh<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
548 Pseudo, "${addr:label}:\n\tldr${p}sh $dst, $addr",
549 [(set GPR:$dst, (sextloadi16 addrmodepc:$addr))]>;
551 def PICLDRSB : AXI3ldsb<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
552 Pseudo, "${addr:label}:\n\tldr${p}sb $dst, $addr",
553 [(set GPR:$dst, (sextloadi8 addrmodepc:$addr))]>;
555 let AddedComplexity = 10 in {
556 def PICSTR : AXI2stw<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
557 Pseudo, "${addr:label}:\n\tstr$p $src, $addr",
558 [(store GPR:$src, addrmodepc:$addr)]>;
560 def PICSTRH : AXI3sth<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
561 Pseudo, "${addr:label}:\n\tstr${p}h $src, $addr",
562 [(truncstorei16 GPR:$src, addrmodepc:$addr)]>;
564 def PICSTRB : AXI2stb<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
565 Pseudo, "${addr:label}:\n\tstr${p}b $src, $addr",
566 [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
568 } // isNotDuplicable = 1
571 // LEApcrel - Load a pc-relative address into a register without offending the
573 def LEApcrel : AXI1<0x0, (outs GPR:$dst), (ins i32imm:$label, pred:$p), Pseudo,
574 !strconcat(!strconcat(".set PCRELV${:uid}, ($label-(",
575 "${:private}PCRELL${:uid}+8))\n"),
576 !strconcat("${:private}PCRELL${:uid}:\n\t",
577 "add$p $dst, pc, #PCRELV${:uid}")),
580 def LEApcrelJT : AXI1<0x0, (outs GPR:$dst),
581 (ins i32imm:$label, i32imm:$id, pred:$p),
583 !strconcat(!strconcat(".set PCRELV${:uid}, (${label}_${id:no_hash}-(",
584 "${:private}PCRELL${:uid}+8))\n"),
585 !strconcat("${:private}PCRELL${:uid}:\n\t",
586 "add$p $dst, pc, #PCRELV${:uid}")),
591 //===----------------------------------------------------------------------===//
592 // Control Flow Instructions.
595 let isReturn = 1, isTerminator = 1 in
596 def BX_RET : AI<(outs), (ins), BrMiscFrm, "bx", " lr", [(ARMretflag)]> {
597 let Inst{7-4} = 0b0001;
598 let Inst{19-8} = 0b111111111111;
599 let Inst{27-20} = 0b00010010;
602 // FIXME: remove when we have a way to marking a MI with these properties.
603 // FIXME: $dst1 should be a def. But the extra ops must be in the end of the
605 // FIXME: Should pc be an implicit operand like PICADD, etc?
606 let isReturn = 1, isTerminator = 1, mayLoad = 1 in
607 def LDM_RET : AXI4ld<(outs),
608 (ins addrmode4:$addr, pred:$p, reglist:$dst1, variable_ops),
609 LdStMulFrm, "ldm${p}${addr:submode} $addr, $dst1",
612 // On non-Darwin platforms R9 is callee-saved.
613 let isCall = 1, Itinerary = IIC_Br,
614 Defs = [R0, R1, R2, R3, R12, LR,
615 D0, D1, D2, D3, D4, D5, D6, D7, CPSR] in {
616 def BL : ABXI<0b1011, (outs), (ins i32imm:$func, variable_ops),
618 [(ARMcall tglobaladdr:$func)]>, Requires<[IsNotDarwin]>;
620 def BL_pred : ABI<0b1011, (outs), (ins i32imm:$func, variable_ops),
621 "bl", " ${func:call}",
622 [(ARMcall_pred tglobaladdr:$func)]>, Requires<[IsNotDarwin]>;
625 def BLX : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
627 [(ARMcall GPR:$func)]>, Requires<[IsARM, HasV5T, IsNotDarwin]> {
628 let Inst{7-4} = 0b0011;
629 let Inst{19-8} = 0b111111111111;
630 let Inst{27-20} = 0b00010010;
635 def BX : ABXIx2<(outs), (ins GPR:$func, variable_ops),
636 "mov lr, pc\n\tbx $func",
637 [(ARMcall_nolink GPR:$func)]>, Requires<[IsNotDarwin]> {
638 let Inst{7-4} = 0b0001;
639 let Inst{19-8} = 0b111111111111;
640 let Inst{27-20} = 0b00010010;
645 // On Darwin R9 is call-clobbered.
646 let isCall = 1, Itinerary = IIC_Br,
647 Defs = [R0, R1, R2, R3, R9, R12, LR,
648 D0, D1, D2, D3, D4, D5, D6, D7, CPSR] in {
649 def BLr9 : ABXI<0b1011, (outs), (ins i32imm:$func, variable_ops),
651 [(ARMcall tglobaladdr:$func)]>, Requires<[IsDarwin]>;
653 def BLr9_pred : ABI<0b1011, (outs), (ins i32imm:$func, variable_ops),
654 "bl", " ${func:call}",
655 [(ARMcall_pred tglobaladdr:$func)]>, Requires<[IsDarwin]>;
658 def BLXr9 : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
660 [(ARMcall GPR:$func)]>, Requires<[IsARM, HasV5T, IsDarwin]> {
661 let Inst{7-4} = 0b0011;
662 let Inst{19-8} = 0b111111111111;
663 let Inst{27-20} = 0b00010010;
668 def BXr9 : ABXIx2<(outs), (ins GPR:$func, variable_ops),
669 "mov lr, pc\n\tbx $func",
670 [(ARMcall_nolink GPR:$func)]>, Requires<[IsDarwin]> {
671 let Inst{7-4} = 0b0001;
672 let Inst{19-8} = 0b111111111111;
673 let Inst{27-20} = 0b00010010;
678 let isBranch = 1, isTerminator = 1, Itinerary = IIC_Br in {
679 // B is "predicable" since it can be xformed into a Bcc.
680 let isBarrier = 1 in {
681 let isPredicable = 1 in
682 def B : ABXI<0b1010, (outs), (ins brtarget:$target), "b $target",
685 let isNotDuplicable = 1, isIndirectBranch = 1 in {
686 def BR_JTr : JTI<(outs), (ins GPR:$target, jtblock_operand:$jt, i32imm:$id),
687 "mov pc, $target \n$jt",
688 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]> {
689 let Inst{20} = 0; // S Bit
690 let Inst{24-21} = 0b1101;
691 let Inst{27-25} = 0b000;
693 def BR_JTm : JTI<(outs),
694 (ins addrmode2:$target, jtblock_operand:$jt, i32imm:$id),
695 "ldr pc, $target \n$jt",
696 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
698 let Inst{20} = 1; // L bit
699 let Inst{21} = 0; // W bit
700 let Inst{22} = 0; // B bit
701 let Inst{24} = 1; // P bit
702 let Inst{27-25} = 0b011;
704 def BR_JTadd : JTI<(outs),
705 (ins GPR:$target, GPR:$idx, jtblock_operand:$jt, i32imm:$id),
706 "add pc, $target, $idx \n$jt",
707 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
709 let Inst{20} = 0; // S bit
710 let Inst{24-21} = 0b0100;
711 let Inst{27-25} = 0b000;
713 } // isNotDuplicable = 1, isIndirectBranch = 1
716 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
717 // a two-value operand where a dag node expects two operands. :(
718 def Bcc : ABI<0b1010, (outs), (ins brtarget:$target),
720 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]>;
723 //===----------------------------------------------------------------------===//
724 // Load / store Instructions.
728 let canFoldAsLoad = 1 in
729 def LDR : AI2ldw<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm,
730 "ldr", " $dst, $addr",
731 [(set GPR:$dst, (load addrmode2:$addr))]>;
733 // Special LDR for loads from non-pc-relative constpools.
734 let canFoldAsLoad = 1, mayLoad = 1, isReMaterializable = 1 in
735 def LDRcp : AI2ldw<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm,
736 "ldr", " $dst, $addr", []>;
738 // Loads with zero extension
739 def LDRH : AI3ldh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
740 "ldr", "h $dst, $addr",
741 [(set GPR:$dst, (zextloadi16 addrmode3:$addr))]>;
743 def LDRB : AI2ldb<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm,
744 "ldr", "b $dst, $addr",
745 [(set GPR:$dst, (zextloadi8 addrmode2:$addr))]>;
747 // Loads with sign extension
748 def LDRSH : AI3ldsh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
749 "ldr", "sh $dst, $addr",
750 [(set GPR:$dst, (sextloadi16 addrmode3:$addr))]>;
752 def LDRSB : AI3ldsb<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
753 "ldr", "sb $dst, $addr",
754 [(set GPR:$dst, (sextloadi8 addrmode3:$addr))]>;
758 def LDRD : AI3ldd<(outs GPR:$dst1, GPR:$dst2), (ins addrmode3:$addr), LdMiscFrm,
759 "ldr", "d $dst1, $addr", []>, Requires<[IsARM, HasV5T]>;
762 def LDR_PRE : AI2ldwpr<(outs GPR:$dst, GPR:$base_wb),
763 (ins addrmode2:$addr), LdFrm,
764 "ldr", " $dst, $addr!", "$addr.base = $base_wb", []>;
766 def LDR_POST : AI2ldwpo<(outs GPR:$dst, GPR:$base_wb),
767 (ins GPR:$base, am2offset:$offset), LdFrm,
768 "ldr", " $dst, [$base], $offset", "$base = $base_wb", []>;
770 def LDRH_PRE : AI3ldhpr<(outs GPR:$dst, GPR:$base_wb),
771 (ins addrmode3:$addr), LdMiscFrm,
772 "ldr", "h $dst, $addr!", "$addr.base = $base_wb", []>;
774 def LDRH_POST : AI3ldhpo<(outs GPR:$dst, GPR:$base_wb),
775 (ins GPR:$base,am3offset:$offset), LdMiscFrm,
776 "ldr", "h $dst, [$base], $offset", "$base = $base_wb", []>;
778 def LDRB_PRE : AI2ldbpr<(outs GPR:$dst, GPR:$base_wb),
779 (ins addrmode2:$addr), LdFrm,
780 "ldr", "b $dst, $addr!", "$addr.base = $base_wb", []>;
782 def LDRB_POST : AI2ldbpo<(outs GPR:$dst, GPR:$base_wb),
783 (ins GPR:$base,am2offset:$offset), LdFrm,
784 "ldr", "b $dst, [$base], $offset", "$base = $base_wb", []>;
786 def LDRSH_PRE : AI3ldshpr<(outs GPR:$dst, GPR:$base_wb),
787 (ins addrmode3:$addr), LdMiscFrm,
788 "ldr", "sh $dst, $addr!", "$addr.base = $base_wb", []>;
790 def LDRSH_POST: AI3ldshpo<(outs GPR:$dst, GPR:$base_wb),
791 (ins GPR:$base,am3offset:$offset), LdMiscFrm,
792 "ldr", "sh $dst, [$base], $offset", "$base = $base_wb", []>;
794 def LDRSB_PRE : AI3ldsbpr<(outs GPR:$dst, GPR:$base_wb),
795 (ins addrmode3:$addr), LdMiscFrm,
796 "ldr", "sb $dst, $addr!", "$addr.base = $base_wb", []>;
798 def LDRSB_POST: AI3ldsbpo<(outs GPR:$dst, GPR:$base_wb),
799 (ins GPR:$base,am3offset:$offset), LdMiscFrm,
800 "ldr", "sb $dst, [$base], $offset", "$base = $base_wb", []>;
804 def STR : AI2stw<(outs), (ins GPR:$src, addrmode2:$addr), StFrm,
805 "str", " $src, $addr",
806 [(store GPR:$src, addrmode2:$addr)]>;
808 // Stores with truncate
809 def STRH : AI3sth<(outs), (ins GPR:$src, addrmode3:$addr), StMiscFrm,
810 "str", "h $src, $addr",
811 [(truncstorei16 GPR:$src, addrmode3:$addr)]>;
813 def STRB : AI2stb<(outs), (ins GPR:$src, addrmode2:$addr), StFrm,
814 "str", "b $src, $addr",
815 [(truncstorei8 GPR:$src, addrmode2:$addr)]>;
819 def STRD : AI3std<(outs), (ins GPR:$src1, GPR:$src2, addrmode3:$addr),StMiscFrm,
820 "str", "d $src1, $addr", []>, Requires<[IsARM, HasV5T]>;
823 def STR_PRE : AI2stwpr<(outs GPR:$base_wb),
824 (ins GPR:$src, GPR:$base, am2offset:$offset), StFrm,
825 "str", " $src, [$base, $offset]!", "$base = $base_wb",
827 (pre_store GPR:$src, GPR:$base, am2offset:$offset))]>;
829 def STR_POST : AI2stwpo<(outs GPR:$base_wb),
830 (ins GPR:$src, GPR:$base,am2offset:$offset), StFrm,
831 "str", " $src, [$base], $offset", "$base = $base_wb",
833 (post_store GPR:$src, GPR:$base, am2offset:$offset))]>;
835 def STRH_PRE : AI3sthpr<(outs GPR:$base_wb),
836 (ins GPR:$src, GPR:$base,am3offset:$offset), StMiscFrm,
837 "str", "h $src, [$base, $offset]!", "$base = $base_wb",
839 (pre_truncsti16 GPR:$src, GPR:$base,am3offset:$offset))]>;
841 def STRH_POST: AI3sthpo<(outs GPR:$base_wb),
842 (ins GPR:$src, GPR:$base,am3offset:$offset), StMiscFrm,
843 "str", "h $src, [$base], $offset", "$base = $base_wb",
844 [(set GPR:$base_wb, (post_truncsti16 GPR:$src,
845 GPR:$base, am3offset:$offset))]>;
847 def STRB_PRE : AI2stbpr<(outs GPR:$base_wb),
848 (ins GPR:$src, GPR:$base,am2offset:$offset), StFrm,
849 "str", "b $src, [$base, $offset]!", "$base = $base_wb",
850 [(set GPR:$base_wb, (pre_truncsti8 GPR:$src,
851 GPR:$base, am2offset:$offset))]>;
853 def STRB_POST: AI2stbpo<(outs GPR:$base_wb),
854 (ins GPR:$src, GPR:$base,am2offset:$offset), StFrm,
855 "str", "b $src, [$base], $offset", "$base = $base_wb",
856 [(set GPR:$base_wb, (post_truncsti8 GPR:$src,
857 GPR:$base, am2offset:$offset))]>;
859 //===----------------------------------------------------------------------===//
860 // Load / store multiple Instructions.
863 // FIXME: $dst1 should be a def.
865 def LDM : AXI4ld<(outs),
866 (ins addrmode4:$addr, pred:$p, reglist:$dst1, variable_ops),
867 LdStMulFrm, "ldm${p}${addr:submode} $addr, $dst1",
871 def STM : AXI4st<(outs),
872 (ins addrmode4:$addr, pred:$p, reglist:$src1, variable_ops),
873 LdStMulFrm, "stm${p}${addr:submode} $addr, $src1",
876 //===----------------------------------------------------------------------===//
877 // Move Instructions.
880 let neverHasSideEffects = 1 in
881 def MOVr : AsI1<0b1101, (outs GPR:$dst), (ins GPR:$src), DPFrm,
882 "mov", " $dst, $src", []>, UnaryDP;
883 def MOVs : AsI1<0b1101, (outs GPR:$dst), (ins so_reg:$src), DPSoRegFrm,
884 "mov", " $dst, $src", [(set GPR:$dst, so_reg:$src)]>, UnaryDP;
886 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
887 def MOVi : AsI1<0b1101, (outs GPR:$dst), (ins so_imm:$src), DPFrm,
888 "mov", " $dst, $src", [(set GPR:$dst, so_imm:$src)]>, UnaryDP;
890 def MOVrx : AsI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo,
891 "mov", " $dst, $src, rrx",
892 [(set GPR:$dst, (ARMrrx GPR:$src))]>, UnaryDP;
894 // These aren't really mov instructions, but we have to define them this way
895 // due to flag operands.
897 let Defs = [CPSR] in {
898 def MOVsrl_flag : AI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo,
899 "mov", "s $dst, $src, lsr #1",
900 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP;
901 def MOVsra_flag : AI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo,
902 "mov", "s $dst, $src, asr #1",
903 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP;
906 //===----------------------------------------------------------------------===//
907 // Extend Instructions.
912 defm SXTB : AI_unary_rrot<0b01101010,
913 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
914 defm SXTH : AI_unary_rrot<0b01101011,
915 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
917 defm SXTAB : AI_bin_rrot<0b01101010,
918 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
919 defm SXTAH : AI_bin_rrot<0b01101011,
920 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
922 // TODO: SXT(A){B|H}16
926 let AddedComplexity = 16 in {
927 defm UXTB : AI_unary_rrot<0b01101110,
928 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
929 defm UXTH : AI_unary_rrot<0b01101111,
930 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
931 defm UXTB16 : AI_unary_rrot<0b01101100,
932 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
934 def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
935 (UXTB16r_rot GPR:$Src, 24)>;
936 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
937 (UXTB16r_rot GPR:$Src, 8)>;
939 defm UXTAB : AI_bin_rrot<0b01101110, "uxtab",
940 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
941 defm UXTAH : AI_bin_rrot<0b01101111, "uxtah",
942 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
945 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
946 //defm UXTAB16 : xxx<"uxtab16", 0xff00ff>;
948 // TODO: UXT(A){B|H}16
950 //===----------------------------------------------------------------------===//
951 // Arithmetic Instructions.
954 defm ADD : AsI1_bin_irs<0b0100, "add",
955 BinOpFrag<(add node:$LHS, node:$RHS)>, 1>;
956 defm SUB : AsI1_bin_irs<0b0010, "sub",
957 BinOpFrag<(sub node:$LHS, node:$RHS)>>;
959 // ADD and SUB with 's' bit set.
960 defm ADDS : AI1_bin_s_irs<0b0100, "add",
961 BinOpFrag<(addc node:$LHS, node:$RHS)>>;
962 defm SUBS : AI1_bin_s_irs<0b0010, "sub",
963 BinOpFrag<(subc node:$LHS, node:$RHS)>>;
965 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
966 BinOpFrag<(adde node:$LHS, node:$RHS)>, 1>;
967 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
968 BinOpFrag<(sube node:$LHS, node:$RHS)>>;
970 // These don't define reg/reg forms, because they are handled above.
971 def RSBri : AsI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
972 "rsb", " $dst, $a, $b",
973 [(set GPR:$dst, (sub so_imm:$b, GPR:$a))]>;
975 def RSBrs : AsI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
976 "rsb", " $dst, $a, $b",
977 [(set GPR:$dst, (sub so_reg:$b, GPR:$a))]>;
979 // RSB with 's' bit set.
980 let Defs = [CPSR] in {
981 def RSBSri : AI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
982 "rsb", "s $dst, $a, $b",
983 [(set GPR:$dst, (subc so_imm:$b, GPR:$a))]>;
984 def RSBSrs : AI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
985 "rsb", "s $dst, $a, $b",
986 [(set GPR:$dst, (subc so_reg:$b, GPR:$a))]>;
989 let Uses = [CPSR] in {
990 def RSCri : AsI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
991 DPFrm, "rsc", " $dst, $a, $b",
992 [(set GPR:$dst, (sube so_imm:$b, GPR:$a))]>,
993 Requires<[IsARM, CarryDefIsUnused]>;
994 def RSCrs : AsI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
995 DPSoRegFrm, "rsc", " $dst, $a, $b",
996 [(set GPR:$dst, (sube so_reg:$b, GPR:$a))]>,
997 Requires<[IsARM, CarryDefIsUnused]>;
1000 // FIXME: Allow these to be predicated.
1001 let Defs = [CPSR], Uses = [CPSR] in {
1002 def RSCSri : AXI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
1003 DPFrm, "rscs $dst, $a, $b",
1004 [(set GPR:$dst, (sube so_imm:$b, GPR:$a))]>,
1005 Requires<[IsARM, CarryDefIsUnused]>;
1006 def RSCSrs : AXI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
1007 DPSoRegFrm, "rscs $dst, $a, $b",
1008 [(set GPR:$dst, (sube so_reg:$b, GPR:$a))]>,
1009 Requires<[IsARM, CarryDefIsUnused]>;
1012 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
1013 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
1014 (SUBri GPR:$src, so_imm_neg:$imm)>;
1016 //def : ARMPat<(addc GPR:$src, so_imm_neg:$imm),
1017 // (SUBSri GPR:$src, so_imm_neg:$imm)>;
1018 //def : ARMPat<(adde GPR:$src, so_imm_neg:$imm),
1019 // (SBCri GPR:$src, so_imm_neg:$imm)>;
1021 // Note: These are implemented in C++ code, because they have to generate
1022 // ADD/SUBrs instructions, which use a complex pattern that a xform function
1024 // (mul X, 2^n+1) -> (add (X << n), X)
1025 // (mul X, 2^n-1) -> (rsb X, (X << n))
1028 //===----------------------------------------------------------------------===//
1029 // Bitwise Instructions.
1032 defm AND : AsI1_bin_irs<0b0000, "and",
1033 BinOpFrag<(and node:$LHS, node:$RHS)>, 1>;
1034 defm ORR : AsI1_bin_irs<0b1100, "orr",
1035 BinOpFrag<(or node:$LHS, node:$RHS)>, 1>;
1036 defm EOR : AsI1_bin_irs<0b0001, "eor",
1037 BinOpFrag<(xor node:$LHS, node:$RHS)>, 1>;
1038 defm BIC : AsI1_bin_irs<0b1110, "bic",
1039 BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
1041 def BFC : I<(outs GPR:$dst), (ins GPR:$src, bf_inv_mask_imm:$imm),
1042 AddrMode1, Size4Bytes, IndexModeNone, DPFrm,
1043 "bfc", " $dst, $imm", "$src = $dst",
1044 [(set GPR:$dst, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
1045 Requires<[IsARM, HasV6T2]> {
1046 let Inst{27-21} = 0b0111110;
1047 let Inst{6-0} = 0b0011111;
1050 def MVNr : AsI1<0b1111, (outs GPR:$dst), (ins GPR:$src), DPFrm,
1051 "mvn", " $dst, $src",
1052 [(set GPR:$dst, (not GPR:$src))]>, UnaryDP;
1053 def MVNs : AsI1<0b1111, (outs GPR:$dst), (ins so_reg:$src), DPSoRegFrm,
1054 "mvn", " $dst, $src",
1055 [(set GPR:$dst, (not so_reg:$src))]>, UnaryDP;
1056 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
1057 def MVNi : AsI1<0b1111, (outs GPR:$dst), (ins so_imm:$imm), DPFrm,
1058 "mvn", " $dst, $imm",
1059 [(set GPR:$dst, so_imm_not:$imm)]>,UnaryDP;
1061 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
1062 (BICri GPR:$src, so_imm_not:$imm)>;
1064 //===----------------------------------------------------------------------===//
1065 // Multiply Instructions.
1068 let isCommutable = 1 in
1069 def MUL : AsMul1I<0b0000000, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1070 "mul", " $dst, $a, $b",
1071 [(set GPR:$dst, (mul GPR:$a, GPR:$b))]>;
1073 def MLA : AsMul1I<0b0000001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1074 "mla", " $dst, $a, $b, $c",
1075 [(set GPR:$dst, (add (mul GPR:$a, GPR:$b), GPR:$c))]>;
1077 def MLS : AMul1I <0b0000011, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1078 "mls", " $dst, $a, $b, $c",
1079 [(set GPR:$dst, (sub GPR:$c, (mul GPR:$a, GPR:$b)))]>,
1080 Requires<[IsARM, HasV6T2]>;
1082 // Extra precision multiplies with low / high results
1083 let neverHasSideEffects = 1 in {
1084 let isCommutable = 1 in {
1085 def SMULL : AsMul1I<0b0000110, (outs GPR:$ldst, GPR:$hdst),
1086 (ins GPR:$a, GPR:$b),
1087 "smull", " $ldst, $hdst, $a, $b", []>;
1089 def UMULL : AsMul1I<0b0000100, (outs GPR:$ldst, GPR:$hdst),
1090 (ins GPR:$a, GPR:$b),
1091 "umull", " $ldst, $hdst, $a, $b", []>;
1094 // Multiply + accumulate
1095 def SMLAL : AsMul1I<0b0000111, (outs GPR:$ldst, GPR:$hdst),
1096 (ins GPR:$a, GPR:$b),
1097 "smlal", " $ldst, $hdst, $a, $b", []>;
1099 def UMLAL : AsMul1I<0b0000101, (outs GPR:$ldst, GPR:$hdst),
1100 (ins GPR:$a, GPR:$b),
1101 "umlal", " $ldst, $hdst, $a, $b", []>;
1103 def UMAAL : AMul1I <0b0000010, (outs GPR:$ldst, GPR:$hdst),
1104 (ins GPR:$a, GPR:$b),
1105 "umaal", " $ldst, $hdst, $a, $b", []>,
1106 Requires<[IsARM, HasV6]>;
1107 } // neverHasSideEffects
1109 // Most significant word multiply
1110 def SMMUL : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1111 "smmul", " $dst, $a, $b",
1112 [(set GPR:$dst, (mulhs GPR:$a, GPR:$b))]>,
1113 Requires<[IsARM, HasV6]> {
1114 let Inst{7-4} = 0b0001;
1115 let Inst{15-12} = 0b1111;
1118 def SMMLA : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1119 "smmla", " $dst, $a, $b, $c",
1120 [(set GPR:$dst, (add (mulhs GPR:$a, GPR:$b), GPR:$c))]>,
1121 Requires<[IsARM, HasV6]> {
1122 let Inst{7-4} = 0b0001;
1126 def SMMLS : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1127 "smmls", " $dst, $a, $b, $c",
1128 [(set GPR:$dst, (sub GPR:$c, (mulhs GPR:$a, GPR:$b)))]>,
1129 Requires<[IsARM, HasV6]> {
1130 let Inst{7-4} = 0b1101;
1133 multiclass AI_smul<string opc, PatFrag opnode> {
1134 def BB : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1135 !strconcat(opc, "bb"), " $dst, $a, $b",
1136 [(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16),
1137 (sext_inreg GPR:$b, i16)))]>,
1138 Requires<[IsARM, HasV5TE]> {
1143 def BT : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1144 !strconcat(opc, "bt"), " $dst, $a, $b",
1145 [(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16),
1146 (sra GPR:$b, (i32 16))))]>,
1147 Requires<[IsARM, HasV5TE]> {
1152 def TB : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1153 !strconcat(opc, "tb"), " $dst, $a, $b",
1154 [(set GPR:$dst, (opnode (sra GPR:$a, (i32 16)),
1155 (sext_inreg GPR:$b, i16)))]>,
1156 Requires<[IsARM, HasV5TE]> {
1161 def TT : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1162 !strconcat(opc, "tt"), " $dst, $a, $b",
1163 [(set GPR:$dst, (opnode (sra GPR:$a, (i32 16)),
1164 (sra GPR:$b, (i32 16))))]>,
1165 Requires<[IsARM, HasV5TE]> {
1170 def WB : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1171 !strconcat(opc, "wb"), " $dst, $a, $b",
1172 [(set GPR:$dst, (sra (opnode GPR:$a,
1173 (sext_inreg GPR:$b, i16)), (i32 16)))]>,
1174 Requires<[IsARM, HasV5TE]> {
1179 def WT : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1180 !strconcat(opc, "wt"), " $dst, $a, $b",
1181 [(set GPR:$dst, (sra (opnode GPR:$a,
1182 (sra GPR:$b, (i32 16))), (i32 16)))]>,
1183 Requires<[IsARM, HasV5TE]> {
1190 multiclass AI_smla<string opc, PatFrag opnode> {
1191 def BB : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1192 !strconcat(opc, "bb"), " $dst, $a, $b, $acc",
1193 [(set GPR:$dst, (add GPR:$acc,
1194 (opnode (sext_inreg GPR:$a, i16),
1195 (sext_inreg GPR:$b, i16))))]>,
1196 Requires<[IsARM, HasV5TE]> {
1201 def BT : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1202 !strconcat(opc, "bt"), " $dst, $a, $b, $acc",
1203 [(set GPR:$dst, (add GPR:$acc, (opnode (sext_inreg GPR:$a, i16),
1204 (sra GPR:$b, (i32 16)))))]>,
1205 Requires<[IsARM, HasV5TE]> {
1210 def TB : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1211 !strconcat(opc, "tb"), " $dst, $a, $b, $acc",
1212 [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, (i32 16)),
1213 (sext_inreg GPR:$b, i16))))]>,
1214 Requires<[IsARM, HasV5TE]> {
1219 def TT : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1220 !strconcat(opc, "tt"), " $dst, $a, $b, $acc",
1221 [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, (i32 16)),
1222 (sra GPR:$b, (i32 16)))))]>,
1223 Requires<[IsARM, HasV5TE]> {
1228 def WB : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1229 !strconcat(opc, "wb"), " $dst, $a, $b, $acc",
1230 [(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a,
1231 (sext_inreg GPR:$b, i16)), (i32 16))))]>,
1232 Requires<[IsARM, HasV5TE]> {
1237 def WT : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1238 !strconcat(opc, "wt"), " $dst, $a, $b, $acc",
1239 [(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a,
1240 (sra GPR:$b, (i32 16))), (i32 16))))]>,
1241 Requires<[IsARM, HasV5TE]> {
1247 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
1248 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
1250 // TODO: Halfword multiple accumulate long: SMLAL<x><y>
1251 // TODO: Dual halfword multiple: SMUAD, SMUSD, SMLAD, SMLSD, SMLALD, SMLSLD
1253 //===----------------------------------------------------------------------===//
1254 // Misc. Arithmetic Instructions.
1257 def CLZ : AMiscA1I<0b000010110, (outs GPR:$dst), (ins GPR:$src),
1258 "clz", " $dst, $src",
1259 [(set GPR:$dst, (ctlz GPR:$src))]>, Requires<[IsARM, HasV5T]> {
1260 let Inst{7-4} = 0b0001;
1261 let Inst{11-8} = 0b1111;
1262 let Inst{19-16} = 0b1111;
1265 def REV : AMiscA1I<0b01101011, (outs GPR:$dst), (ins GPR:$src),
1266 "rev", " $dst, $src",
1267 [(set GPR:$dst, (bswap GPR:$src))]>, Requires<[IsARM, HasV6]> {
1268 let Inst{7-4} = 0b0011;
1269 let Inst{11-8} = 0b1111;
1270 let Inst{19-16} = 0b1111;
1273 def REV16 : AMiscA1I<0b01101011, (outs GPR:$dst), (ins GPR:$src),
1274 "rev16", " $dst, $src",
1276 (or (and (srl GPR:$src, (i32 8)), 0xFF),
1277 (or (and (shl GPR:$src, (i32 8)), 0xFF00),
1278 (or (and (srl GPR:$src, (i32 8)), 0xFF0000),
1279 (and (shl GPR:$src, (i32 8)), 0xFF000000)))))]>,
1280 Requires<[IsARM, HasV6]> {
1281 let Inst{7-4} = 0b1011;
1282 let Inst{11-8} = 0b1111;
1283 let Inst{19-16} = 0b1111;
1286 def REVSH : AMiscA1I<0b01101111, (outs GPR:$dst), (ins GPR:$src),
1287 "revsh", " $dst, $src",
1290 (or (srl (and GPR:$src, 0xFF00), (i32 8)),
1291 (shl GPR:$src, (i32 8))), i16))]>,
1292 Requires<[IsARM, HasV6]> {
1293 let Inst{7-4} = 0b1011;
1294 let Inst{11-8} = 0b1111;
1295 let Inst{19-16} = 0b1111;
1298 def PKHBT : AMiscA1I<0b01101000, (outs GPR:$dst),
1299 (ins GPR:$src1, GPR:$src2, i32imm:$shamt),
1300 "pkhbt", " $dst, $src1, $src2, LSL $shamt",
1301 [(set GPR:$dst, (or (and GPR:$src1, 0xFFFF),
1302 (and (shl GPR:$src2, (i32 imm:$shamt)),
1304 Requires<[IsARM, HasV6]> {
1305 let Inst{6-4} = 0b001;
1308 // Alternate cases for PKHBT where identities eliminate some nodes.
1309 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF), (and GPR:$src2, 0xFFFF0000)),
1310 (PKHBT GPR:$src1, GPR:$src2, 0)>;
1311 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF), (shl GPR:$src2, imm16_31:$shamt)),
1312 (PKHBT GPR:$src1, GPR:$src2, imm16_31:$shamt)>;
1315 def PKHTB : AMiscA1I<0b01101000, (outs GPR:$dst),
1316 (ins GPR:$src1, GPR:$src2, i32imm:$shamt),
1317 "pkhtb", " $dst, $src1, $src2, ASR $shamt",
1318 [(set GPR:$dst, (or (and GPR:$src1, 0xFFFF0000),
1319 (and (sra GPR:$src2, imm16_31:$shamt),
1320 0xFFFF)))]>, Requires<[IsARM, HasV6]> {
1321 let Inst{6-4} = 0b101;
1324 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
1325 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
1326 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000), (srl GPR:$src2, (i32 16))),
1327 (PKHTB GPR:$src1, GPR:$src2, 16)>;
1328 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000),
1329 (and (srl GPR:$src2, imm1_15:$shamt), 0xFFFF)),
1330 (PKHTB GPR:$src1, GPR:$src2, imm1_15:$shamt)>;
1332 //===----------------------------------------------------------------------===//
1333 // Comparison Instructions...
1336 defm CMP : AI1_cmp_irs<0b1010, "cmp",
1337 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
1338 defm CMN : AI1_cmp_irs<0b1011, "cmn",
1339 BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
1341 // Note that TST/TEQ don't set all the same flags that CMP does!
1342 defm TST : AI1_cmp_irs<0b1000, "tst",
1343 BinOpFrag<(ARMcmpZ (and node:$LHS, node:$RHS), 0)>, 1>;
1344 defm TEQ : AI1_cmp_irs<0b1001, "teq",
1345 BinOpFrag<(ARMcmpZ (xor node:$LHS, node:$RHS), 0)>, 1>;
1347 defm CMPz : AI1_cmp_irs<0b1010, "cmp",
1348 BinOpFrag<(ARMcmpZ node:$LHS, node:$RHS)>>;
1349 defm CMNz : AI1_cmp_irs<0b1011, "cmn",
1350 BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>>;
1352 def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
1353 (CMNri GPR:$src, so_imm_neg:$imm)>;
1355 def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
1356 (CMNri GPR:$src, so_imm_neg:$imm)>;
1359 // Conditional moves
1360 // FIXME: should be able to write a pattern for ARMcmov, but can't use
1361 // a two-value operand where a dag node expects two operands. :(
1362 def MOVCCr : AI1<0b1101, (outs GPR:$dst), (ins GPR:$false, GPR:$true), DPFrm,
1363 "mov", " $dst, $true",
1364 [/*(set GPR:$dst, (ARMcmov GPR:$false, GPR:$true, imm:$cc, CCR:$ccr))*/]>,
1365 RegConstraint<"$false = $dst">, UnaryDP;
1367 def MOVCCs : AI1<0b1101, (outs GPR:$dst),
1368 (ins GPR:$false, so_reg:$true), DPSoRegFrm,
1369 "mov", " $dst, $true",
1370 [/*(set GPR:$dst, (ARMcmov GPR:$false, so_reg:$true, imm:$cc, CCR:$ccr))*/]>,
1371 RegConstraint<"$false = $dst">, UnaryDP;
1373 def MOVCCi : AI1<0b1101, (outs GPR:$dst),
1374 (ins GPR:$false, so_imm:$true), DPFrm,
1375 "mov", " $dst, $true",
1376 [/*(set GPR:$dst, (ARMcmov GPR:$false, so_imm:$true, imm:$cc, CCR:$ccr))*/]>,
1377 RegConstraint<"$false = $dst">, UnaryDP;
1380 //===----------------------------------------------------------------------===//
1384 // __aeabi_read_tp preserves the registers r1-r3.
1386 Defs = [R0, R12, LR, CPSR] in {
1387 def TPsoft : ABXI<0b1011, (outs), (ins),
1388 "bl __aeabi_read_tp",
1389 [(set R0, ARMthread_pointer)]>;
1392 //===----------------------------------------------------------------------===//
1393 // SJLJ Exception handling intrinsics
1394 // eh_sjlj_setjmp() is a three instruction sequence to store the return
1395 // address and save #0 in R0 for the non-longjmp case.
1396 // Since by its nature we may be coming from some other function to get
1397 // here, and we're using the stack frame for the containing function to
1398 // save/restore registers, we can't keep anything live in regs across
1399 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
1400 // when we get here from a longjmp(). We force everthing out of registers
1401 // except for our own input by listing the relevant registers in Defs. By
1402 // doing so, we also cause the prologue/epilogue code to actively preserve
1403 // all of the callee-saved resgisters, which is exactly what we want.
1405 [ R0, R1, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR,
1406 D0, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15 ] in {
1407 def Int_eh_sjlj_setjmp : XI<(outs), (ins GPR:$src),
1408 AddrModeNone, SizeSpecial, IndexModeNone, Pseudo,
1409 "add r0, pc, #4\n\t"
1410 "str r0, [$src, #+4]\n\t"
1411 "mov r0, #0 @ eh_setjmp", "",
1412 [(set R0, (ARMeh_sjlj_setjmp GPR:$src))]>;
1415 //===----------------------------------------------------------------------===//
1416 // Non-Instruction Patterns
1419 // ConstantPool, GlobalAddress, and JumpTable
1420 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>;
1421 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
1422 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
1423 (LEApcrelJT tjumptable:$dst, imm:$id)>;
1425 // Large immediate handling.
1427 // Two piece so_imms.
1428 let isReMaterializable = 1 in
1429 def MOVi2pieces : AI1x2<(outs GPR:$dst), (ins so_imm2part:$src), Pseudo,
1430 "mov", " $dst, $src",
1431 [(set GPR:$dst, so_imm2part:$src)]>;
1433 def : ARMPat<(or GPR:$LHS, so_imm2part:$RHS),
1434 (ORRri (ORRri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
1435 (so_imm2part_2 imm:$RHS))>;
1436 def : ARMPat<(xor GPR:$LHS, so_imm2part:$RHS),
1437 (EORri (EORri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
1438 (so_imm2part_2 imm:$RHS))>;
1440 // TODO: add,sub,and, 3-instr forms?
1444 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>,
1445 Requires<[IsNotDarwin]>;
1446 def : ARMPat<(ARMcall texternalsym:$func), (BLr9 texternalsym:$func)>,
1447 Requires<[IsDarwin]>;
1449 // zextload i1 -> zextload i8
1450 def : ARMPat<(zextloadi1 addrmode2:$addr), (LDRB addrmode2:$addr)>;
1452 // extload -> zextload
1453 def : ARMPat<(extloadi1 addrmode2:$addr), (LDRB addrmode2:$addr)>;
1454 def : ARMPat<(extloadi8 addrmode2:$addr), (LDRB addrmode2:$addr)>;
1455 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
1457 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
1458 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
1461 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
1462 (sra (shl GPR:$b, (i32 16)), (i32 16))),
1463 (SMULBB GPR:$a, GPR:$b)>;
1464 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
1465 (SMULBB GPR:$a, GPR:$b)>;
1466 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
1467 (sra GPR:$b, (i32 16))),
1468 (SMULBT GPR:$a, GPR:$b)>;
1469 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
1470 (SMULBT GPR:$a, GPR:$b)>;
1471 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
1472 (sra (shl GPR:$b, (i32 16)), (i32 16))),
1473 (SMULTB GPR:$a, GPR:$b)>;
1474 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
1475 (SMULTB GPR:$a, GPR:$b)>;
1476 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
1478 (SMULWB GPR:$a, GPR:$b)>;
1479 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
1480 (SMULWB GPR:$a, GPR:$b)>;
1482 def : ARMV5TEPat<(add GPR:$acc,
1483 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
1484 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
1485 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
1486 def : ARMV5TEPat<(add GPR:$acc,
1487 (mul sext_16_node:$a, sext_16_node:$b)),
1488 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
1489 def : ARMV5TEPat<(add GPR:$acc,
1490 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
1491 (sra GPR:$b, (i32 16)))),
1492 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
1493 def : ARMV5TEPat<(add GPR:$acc,
1494 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
1495 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
1496 def : ARMV5TEPat<(add GPR:$acc,
1497 (mul (sra GPR:$a, (i32 16)),
1498 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
1499 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
1500 def : ARMV5TEPat<(add GPR:$acc,
1501 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
1502 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
1503 def : ARMV5TEPat<(add GPR:$acc,
1504 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
1506 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
1507 def : ARMV5TEPat<(add GPR:$acc,
1508 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
1509 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
1511 //===----------------------------------------------------------------------===//
1515 include "ARMInstrThumb.td"
1517 //===----------------------------------------------------------------------===//
1521 include "ARMInstrThumb2.td"
1523 //===----------------------------------------------------------------------===//
1524 // Floating Point Support
1527 include "ARMInstrVFP.td"
1529 //===----------------------------------------------------------------------===//
1530 // Advanced SIMD (NEON) Support
1533 include "ARMInstrNEON.td"