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 ARMcmpNZ : SDNode<"ARMISD::CMPNZ", SDT_ARMCmp,
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 HasV7 : Predicate<"Subtarget->hasV7Ops()">;
97 def HasVFP2 : Predicate<"Subtarget->hasVFP2()">;
98 def HasVFP3 : Predicate<"Subtarget->hasVFP3()">;
99 def HasNEON : Predicate<"Subtarget->hasNEON()">;
100 def IsThumb : Predicate<"Subtarget->isThumb()">;
101 def HasThumb2 : Predicate<"Subtarget->hasThumb2()">;
102 def IsARM : Predicate<"!Subtarget->isThumb()">;
103 def IsDarwin : Predicate<"Subtarget->isTargetDarwin()">;
104 def IsNotDarwin : Predicate<"!Subtarget->isTargetDarwin()">;
106 //===----------------------------------------------------------------------===//
107 // ARM Flag Definitions.
109 class RegConstraint<string C> {
110 string Constraints = C;
113 //===----------------------------------------------------------------------===//
114 // ARM specific transformation functions and pattern fragments.
117 // so_imm_XFORM - Return a so_imm value packed into the format described for
119 def so_imm_XFORM : SDNodeXForm<imm, [{
120 return CurDAG->getTargetConstant(ARM_AM::getSOImmVal(N->getZExtValue()),
124 // so_imm_neg_XFORM - Return a so_imm value packed into the format described for
125 // so_imm_neg def below.
126 def so_imm_neg_XFORM : SDNodeXForm<imm, [{
127 return CurDAG->getTargetConstant(ARM_AM::getSOImmVal(-(int)N->getZExtValue()),
131 // so_imm_not_XFORM - Return a so_imm value packed into the format described for
132 // so_imm_not def below.
133 def so_imm_not_XFORM : SDNodeXForm<imm, [{
134 return CurDAG->getTargetConstant(ARM_AM::getSOImmVal(~(int)N->getZExtValue()),
138 // rot_imm predicate - True if the 32-bit immediate is equal to 8, 16, or 24.
139 def rot_imm : PatLeaf<(i32 imm), [{
140 int32_t v = (int32_t)N->getZExtValue();
141 return v == 8 || v == 16 || v == 24;
144 /// imm1_15 predicate - True if the 32-bit immediate is in the range [1,15].
145 def imm1_15 : PatLeaf<(i32 imm), [{
146 return (int32_t)N->getZExtValue() >= 1 && (int32_t)N->getZExtValue() < 16;
149 /// imm16_31 predicate - True if the 32-bit immediate is in the range [16,31].
150 def imm16_31 : PatLeaf<(i32 imm), [{
151 return (int32_t)N->getZExtValue() >= 16 && (int32_t)N->getZExtValue() < 32;
156 return ARM_AM::getSOImmVal(-(int)N->getZExtValue()) != -1;
157 }], so_imm_neg_XFORM>;
161 return ARM_AM::getSOImmVal(~(int)N->getZExtValue()) != -1;
162 }], so_imm_not_XFORM>;
164 // sext_16_node predicate - True if the SDNode is sign-extended 16 or more bits.
165 def sext_16_node : PatLeaf<(i32 GPR:$a), [{
166 return CurDAG->ComputeNumSignBits(SDValue(N,0)) >= 17;
169 class BinOpFrag<dag res> : PatFrag<(ops node:$LHS, node:$RHS), res>;
170 class UnOpFrag <dag res> : PatFrag<(ops node:$Src), res>;
172 //===----------------------------------------------------------------------===//
173 // Operand Definitions.
177 def brtarget : Operand<OtherVT>;
179 // A list of registers separated by comma. Used by load/store multiple.
180 def reglist : Operand<i32> {
181 let PrintMethod = "printRegisterList";
184 // An operand for the CONSTPOOL_ENTRY pseudo-instruction.
185 def cpinst_operand : Operand<i32> {
186 let PrintMethod = "printCPInstOperand";
189 def jtblock_operand : Operand<i32> {
190 let PrintMethod = "printJTBlockOperand";
194 def pclabel : Operand<i32> {
195 let PrintMethod = "printPCLabel";
198 // shifter_operand operands: so_reg and so_imm.
199 def so_reg : Operand<i32>, // reg reg imm
200 ComplexPattern<i32, 3, "SelectShifterOperandReg",
201 [shl,srl,sra,rotr]> {
202 let PrintMethod = "printSORegOperand";
203 let MIOperandInfo = (ops GPR, GPR, i32imm);
206 // so_imm - Match a 32-bit shifter_operand immediate operand, which is an
207 // 8-bit immediate rotated by an arbitrary number of bits. so_imm values are
208 // represented in the imm field in the same 12-bit form that they are encoded
209 // into so_imm instructions: the 8-bit immediate is the least significant bits
210 // [bits 0-7], the 4-bit shift amount is the next 4 bits [bits 8-11].
211 def so_imm : Operand<i32>,
213 [{ return ARM_AM::getSOImmVal(N->getZExtValue()) != -1; }],
215 let PrintMethod = "printSOImmOperand";
218 // Break so_imm's up into two pieces. This handles immediates with up to 16
219 // bits set in them. This uses so_imm2part to match and so_imm2part_[12] to
220 // get the first/second pieces.
221 def so_imm2part : Operand<i32>,
223 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
225 let PrintMethod = "printSOImm2PartOperand";
228 def so_imm2part_1 : SDNodeXForm<imm, [{
229 unsigned V = ARM_AM::getSOImmTwoPartFirst((unsigned)N->getZExtValue());
230 return CurDAG->getTargetConstant(ARM_AM::getSOImmVal(V), MVT::i32);
233 def so_imm2part_2 : SDNodeXForm<imm, [{
234 unsigned V = ARM_AM::getSOImmTwoPartSecond((unsigned)N->getZExtValue());
235 return CurDAG->getTargetConstant(ARM_AM::getSOImmVal(V), MVT::i32);
239 // Define ARM specific addressing modes.
241 // addrmode2 := reg +/- reg shop imm
242 // addrmode2 := reg +/- imm12
244 def addrmode2 : Operand<i32>,
245 ComplexPattern<i32, 3, "SelectAddrMode2", []> {
246 let PrintMethod = "printAddrMode2Operand";
247 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
250 def am2offset : Operand<i32>,
251 ComplexPattern<i32, 2, "SelectAddrMode2Offset", []> {
252 let PrintMethod = "printAddrMode2OffsetOperand";
253 let MIOperandInfo = (ops GPR, i32imm);
256 // addrmode3 := reg +/- reg
257 // addrmode3 := reg +/- imm8
259 def addrmode3 : Operand<i32>,
260 ComplexPattern<i32, 3, "SelectAddrMode3", []> {
261 let PrintMethod = "printAddrMode3Operand";
262 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
265 def am3offset : Operand<i32>,
266 ComplexPattern<i32, 2, "SelectAddrMode3Offset", []> {
267 let PrintMethod = "printAddrMode3OffsetOperand";
268 let MIOperandInfo = (ops GPR, i32imm);
271 // addrmode4 := reg, <mode|W>
273 def addrmode4 : Operand<i32>,
274 ComplexPattern<i32, 2, "", []> {
275 let PrintMethod = "printAddrMode4Operand";
276 let MIOperandInfo = (ops GPR, i32imm);
279 // addrmode5 := reg +/- imm8*4
281 def addrmode5 : Operand<i32>,
282 ComplexPattern<i32, 2, "SelectAddrMode5", []> {
283 let PrintMethod = "printAddrMode5Operand";
284 let MIOperandInfo = (ops GPR, i32imm);
287 // addrmodepc := pc + reg
289 def addrmodepc : Operand<i32>,
290 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
291 let PrintMethod = "printAddrModePCOperand";
292 let MIOperandInfo = (ops GPR, i32imm);
295 // ARM Predicate operand. Default to 14 = always (AL). Second part is CC
296 // register whose default is 0 (no register).
297 def pred : PredicateOperand<OtherVT, (ops i32imm, CCR),
298 (ops (i32 14), (i32 zero_reg))> {
299 let PrintMethod = "printPredicateOperand";
302 // Conditional code result for instructions whose 's' bit is set, e.g. subs.
304 def cc_out : OptionalDefOperand<OtherVT, (ops CCR), (ops (i32 zero_reg))> {
305 let PrintMethod = "printSBitModifierOperand";
308 //===----------------------------------------------------------------------===//
309 // ARM Instruction flags. These need to match ARMInstrInfo.h.
313 class AddrMode<bits<4> val> {
316 def AddrModeNone : AddrMode<0>;
317 def AddrMode1 : AddrMode<1>;
318 def AddrMode2 : AddrMode<2>;
319 def AddrMode3 : AddrMode<3>;
320 def AddrMode4 : AddrMode<4>;
321 def AddrMode5 : AddrMode<5>;
322 def AddrModeT1 : AddrMode<6>;
323 def AddrModeT2 : AddrMode<7>;
324 def AddrModeT4 : AddrMode<8>;
325 def AddrModeTs : AddrMode<9>;
328 class SizeFlagVal<bits<3> val> {
331 def SizeInvalid : SizeFlagVal<0>; // Unset.
332 def SizeSpecial : SizeFlagVal<1>; // Pseudo or special.
333 def Size8Bytes : SizeFlagVal<2>;
334 def Size4Bytes : SizeFlagVal<3>;
335 def Size2Bytes : SizeFlagVal<4>;
337 // Load / store index mode.
338 class IndexMode<bits<2> val> {
341 def IndexModeNone : IndexMode<0>;
342 def IndexModePre : IndexMode<1>;
343 def IndexModePost : IndexMode<2>;
345 //===----------------------------------------------------------------------===//
347 include "ARMInstrFormats.td"
349 //===----------------------------------------------------------------------===//
350 // Multiclass helpers...
353 /// AsI1_bin_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns for a
354 /// binop that produces a value.
355 multiclass AsI1_bin_irs<bits<4> opcod, string opc, PatFrag opnode> {
356 def ri : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
357 opc, " $dst, $a, $b",
358 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]>;
359 def rr : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
360 opc, " $dst, $a, $b",
361 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]>;
362 def rs : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
363 opc, " $dst, $a, $b",
364 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]>;
367 /// ASI1_bin_s_irs - Similar to AsI1_bin_irs except it sets the 's' bit so the
368 /// instruction modifies the CSPR register.
369 let Defs = [CPSR] in {
370 multiclass ASI1_bin_s_irs<bits<4> opcod, string opc, PatFrag opnode> {
371 def ri : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
372 opc, "s $dst, $a, $b",
373 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]>;
374 def rr : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
375 opc, "s $dst, $a, $b",
376 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]>;
377 def rs : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
378 opc, "s $dst, $a, $b",
379 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]>;
383 /// AI1_cmp_irs - Defines a set of (op r, {so_imm|r|so_reg}) cmp / test
384 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
385 /// a explicit result, only implicitly set CPSR.
386 let Defs = [CPSR] in {
387 multiclass AI1_cmp_irs<bits<4> opcod, string opc, PatFrag opnode> {
388 def ri : AI1<opcod, (outs), (ins GPR:$a, so_imm:$b), DPFrm,
390 [(opnode GPR:$a, so_imm:$b)]>;
391 def rr : AI1<opcod, (outs), (ins GPR:$a, GPR:$b), DPFrm,
393 [(opnode GPR:$a, GPR:$b)]>;
394 def rs : AI1<opcod, (outs), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
396 [(opnode GPR:$a, so_reg:$b)]>;
400 /// AI_unary_rrot - A unary operation with two forms: one whose operand is a
401 /// register and one whose operand is a register rotated by 8/16/24.
402 /// FIXME: Remove the 'r' variant. Its rot_imm is zero.
403 multiclass AI_unary_rrot<bits<8> opcod, string opc, PatFrag opnode> {
404 def r : AExtI<opcod, (outs GPR:$dst), (ins GPR:$Src),
406 [(set GPR:$dst, (opnode GPR:$Src))]>,
407 Requires<[IsARM, HasV6]> {
408 let Inst{19-16} = 0b1111;
410 def r_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$Src, i32imm:$rot),
411 opc, " $dst, $Src, ror $rot",
412 [(set GPR:$dst, (opnode (rotr GPR:$Src, rot_imm:$rot)))]>,
413 Requires<[IsARM, HasV6]> {
414 let Inst{19-16} = 0b1111;
418 /// AI_bin_rrot - A binary operation with two forms: one whose operand is a
419 /// register and one whose operand is a register rotated by 8/16/24.
420 multiclass AI_bin_rrot<bits<8> opcod, string opc, PatFrag opnode> {
421 def rr : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS),
422 opc, " $dst, $LHS, $RHS",
423 [(set GPR:$dst, (opnode GPR:$LHS, GPR:$RHS))]>,
424 Requires<[IsARM, HasV6]>;
425 def rr_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS, i32imm:$rot),
426 opc, " $dst, $LHS, $RHS, ror $rot",
427 [(set GPR:$dst, (opnode GPR:$LHS,
428 (rotr GPR:$RHS, rot_imm:$rot)))]>,
429 Requires<[IsARM, HasV6]>;
432 /// AsXI1_bin_c_irs - Same as AsI1_bin_irs but without the predicate operand and
433 /// setting carry bit. But it can optionally set CPSR.
434 let Uses = [CPSR] in {
435 multiclass AsXI1_bin_c_irs<bits<4> opcod, string opc, PatFrag opnode> {
436 def ri : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b, cc_out:$s),
437 DPFrm, !strconcat(opc, "${s} $dst, $a, $b"),
438 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]>;
439 def rr : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b, cc_out:$s),
440 DPFrm, !strconcat(opc, "${s} $dst, $a, $b"),
441 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]>;
442 def rs : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b, cc_out:$s),
443 DPSoRegFrm, !strconcat(opc, "${s} $dst, $a, $b"),
444 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]>;
448 //===----------------------------------------------------------------------===//
450 //===----------------------------------------------------------------------===//
452 //===----------------------------------------------------------------------===//
453 // Miscellaneous Instructions.
456 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
457 /// the function. The first operand is the ID# for this instruction, the second
458 /// is the index into the MachineConstantPool that this is, the third is the
459 /// size in bytes of this constant pool entry.
460 let neverHasSideEffects = 1, isNotDuplicable = 1 in
461 def CONSTPOOL_ENTRY :
462 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
464 "${instid:label} ${cpidx:cpentry}", []>;
466 let Defs = [SP], Uses = [SP] in {
468 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p),
469 "@ ADJCALLSTACKUP $amt1",
470 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
472 def ADJCALLSTACKDOWN :
473 PseudoInst<(outs), (ins i32imm:$amt, pred:$p),
474 "@ ADJCALLSTACKDOWN $amt",
475 [(ARMcallseq_start timm:$amt)]>;
479 PseudoInst<(outs), (ins i32imm:$line, i32imm:$col, i32imm:$file),
480 ".loc $file, $line, $col",
481 [(dwarf_loc (i32 imm:$line), (i32 imm:$col), (i32 imm:$file))]>;
484 // Address computation and loads and stores in PIC mode.
485 let isNotDuplicable = 1 in {
486 def PICADD : AXI1<0b0100, (outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
487 Pseudo, "$cp:\n\tadd$p $dst, pc, $a",
488 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
490 let AddedComplexity = 10 in {
491 let canFoldAsLoad = 1 in
492 def PICLDR : AXI2ldw<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
493 Pseudo, "${addr:label}:\n\tldr$p $dst, $addr",
494 [(set GPR:$dst, (load addrmodepc:$addr))]>;
496 def PICLDRH : AXI3ldh<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
497 Pseudo, "${addr:label}:\n\tldr${p}h $dst, $addr",
498 [(set GPR:$dst, (zextloadi16 addrmodepc:$addr))]>;
500 def PICLDRB : AXI2ldb<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
501 Pseudo, "${addr:label}:\n\tldr${p}b $dst, $addr",
502 [(set GPR:$dst, (zextloadi8 addrmodepc:$addr))]>;
504 def PICLDRSH : AXI3ldsh<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
505 Pseudo, "${addr:label}:\n\tldr${p}sh $dst, $addr",
506 [(set GPR:$dst, (sextloadi16 addrmodepc:$addr))]>;
508 def PICLDRSB : AXI3ldsb<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
509 Pseudo, "${addr:label}:\n\tldr${p}sb $dst, $addr",
510 [(set GPR:$dst, (sextloadi8 addrmodepc:$addr))]>;
512 let AddedComplexity = 10 in {
513 def PICSTR : AXI2stw<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
514 Pseudo, "${addr:label}:\n\tstr$p $src, $addr",
515 [(store GPR:$src, addrmodepc:$addr)]>;
517 def PICSTRH : AXI3sth<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
518 Pseudo, "${addr:label}:\n\tstr${p}h $src, $addr",
519 [(truncstorei16 GPR:$src, addrmodepc:$addr)]>;
521 def PICSTRB : AXI2stb<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
522 Pseudo, "${addr:label}:\n\tstr${p}b $src, $addr",
523 [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
525 } // isNotDuplicable = 1
527 //===----------------------------------------------------------------------===//
528 // Control Flow Instructions.
531 let isReturn = 1, isTerminator = 1 in
532 def BX_RET : AI<(outs), (ins), BrMiscFrm, "bx", " lr", [(ARMretflag)]> {
533 let Inst{7-4} = 0b0001;
534 let Inst{19-8} = 0b111111111111;
535 let Inst{27-20} = 0b00010010;
538 // FIXME: remove when we have a way to marking a MI with these properties.
539 // FIXME: $dst1 should be a def. But the extra ops must be in the end of the
541 // FIXME: Should pc be an implicit operand like PICADD, etc?
542 let isReturn = 1, isTerminator = 1 in
543 def LDM_RET : AXI4ld<(outs),
544 (ins addrmode4:$addr, pred:$p, reglist:$dst1, variable_ops),
545 LdStMulFrm, "ldm${p}${addr:submode} $addr, $dst1",
548 // On non-Darwin platforms R9 is callee-saved.
549 let isCall = 1, Itinerary = IIC_Br,
550 Defs = [R0, R1, R2, R3, R12, LR,
551 D0, D1, D2, D3, D4, D5, D6, D7, CPSR] in {
552 def BL : ABXI<0b1011, (outs), (ins i32imm:$func, variable_ops),
554 [(ARMcall tglobaladdr:$func)]>, Requires<[IsNotDarwin]>;
556 def BL_pred : ABI<0b1011, (outs), (ins i32imm:$func, variable_ops),
557 "bl", " ${func:call}",
558 [(ARMcall_pred tglobaladdr:$func)]>, Requires<[IsNotDarwin]>;
561 def BLX : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
563 [(ARMcall GPR:$func)]>, Requires<[IsARM, HasV5T, IsNotDarwin]> {
564 let Inst{7-4} = 0b0011;
565 let Inst{19-8} = 0b111111111111;
566 let Inst{27-20} = 0b00010010;
571 def BX : ABXIx2<(outs), (ins GPR:$func, variable_ops),
572 "mov lr, pc\n\tbx $func",
573 [(ARMcall_nolink GPR:$func)]>, Requires<[IsNotDarwin]>;
577 // On Darwin R9 is call-clobbered.
578 let isCall = 1, Itinerary = IIC_Br,
579 Defs = [R0, R1, R2, R3, R9, R12, LR,
580 D0, D1, D2, D3, D4, D5, D6, D7, CPSR] in {
581 def BLr9 : ABXI<0b1011, (outs), (ins i32imm:$func, variable_ops),
583 [(ARMcall tglobaladdr:$func)]>, Requires<[IsDarwin]>;
585 def BLr9_pred : ABI<0b1011, (outs), (ins i32imm:$func, variable_ops),
586 "bl", " ${func:call}",
587 [(ARMcall_pred tglobaladdr:$func)]>, Requires<[IsDarwin]>;
590 def BLXr9 : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
592 [(ARMcall GPR:$func)]>, Requires<[IsARM, HasV5T, IsDarwin]> {
593 let Inst{7-4} = 0b0011;
594 let Inst{19-8} = 0b111111111111;
595 let Inst{27-20} = 0b00010010;
600 def BXr9 : ABXIx2<(outs), (ins GPR:$func, variable_ops),
601 "mov lr, pc\n\tbx $func",
602 [(ARMcall_nolink GPR:$func)]>, Requires<[IsDarwin]>;
606 let isBranch = 1, isTerminator = 1, Itinerary = IIC_Br in {
607 // B is "predicable" since it can be xformed into a Bcc.
608 let isBarrier = 1 in {
609 let isPredicable = 1 in
610 def B : ABXI<0b1010, (outs), (ins brtarget:$target), "b $target",
613 let isNotDuplicable = 1, isIndirectBranch = 1 in {
614 def BR_JTr : JTI<(outs), (ins GPR:$target, jtblock_operand:$jt, i32imm:$id),
615 "mov pc, $target \n$jt",
616 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]> {
617 let Inst{20} = 0; // S Bit
618 let Inst{24-21} = 0b1101;
619 let Inst{27-26} = {0,0};
621 def BR_JTm : JTI<(outs),
622 (ins addrmode2:$target, jtblock_operand:$jt, i32imm:$id),
623 "ldr pc, $target \n$jt",
624 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
626 let Inst{20} = 1; // L bit
627 let Inst{21} = 0; // W bit
628 let Inst{22} = 0; // B bit
629 let Inst{24} = 1; // P bit
630 let Inst{27-26} = {0,1};
632 def BR_JTadd : JTI<(outs),
633 (ins GPR:$target, GPR:$idx, jtblock_operand:$jt, i32imm:$id),
634 "add pc, $target, $idx \n$jt",
635 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
637 let Inst{20} = 0; // S bit
638 let Inst{24-21} = 0b0100;
639 let Inst{27-26} = {0,0};
641 } // isNotDuplicable = 1, isIndirectBranch = 1
644 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
645 // a two-value operand where a dag node expects two operands. :(
646 def Bcc : ABI<0b1010, (outs), (ins brtarget:$target),
648 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]>;
651 //===----------------------------------------------------------------------===//
652 // Load / store Instructions.
656 let canFoldAsLoad = 1 in
657 def LDR : AI2ldw<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm,
658 "ldr", " $dst, $addr",
659 [(set GPR:$dst, (load addrmode2:$addr))]>;
661 // Special LDR for loads from non-pc-relative constpools.
662 let canFoldAsLoad = 1, mayLoad = 1, isReMaterializable = 1 in
663 def LDRcp : AI2ldw<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm,
664 "ldr", " $dst, $addr", []>;
666 // Loads with zero extension
667 def LDRH : AI3ldh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
668 "ldr", "h $dst, $addr",
669 [(set GPR:$dst, (zextloadi16 addrmode3:$addr))]>;
671 def LDRB : AI2ldb<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm,
672 "ldr", "b $dst, $addr",
673 [(set GPR:$dst, (zextloadi8 addrmode2:$addr))]>;
675 // Loads with sign extension
676 def LDRSH : AI3ldsh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
677 "ldr", "sh $dst, $addr",
678 [(set GPR:$dst, (sextloadi16 addrmode3:$addr))]>;
680 def LDRSB : AI3ldsb<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
681 "ldr", "sb $dst, $addr",
682 [(set GPR:$dst, (sextloadi8 addrmode3:$addr))]>;
686 def LDRD : AI3ldd<(outs GPR:$dst1, GPR:$dst2), (ins addrmode3:$addr), LdMiscFrm,
687 "ldr", "d $dst1, $addr", []>, Requires<[IsARM, HasV5T]>;
690 def LDR_PRE : AI2ldwpr<(outs GPR:$dst, GPR:$base_wb),
691 (ins addrmode2:$addr), LdFrm,
692 "ldr", " $dst, $addr!", "$addr.base = $base_wb", []>;
694 def LDR_POST : AI2ldwpo<(outs GPR:$dst, GPR:$base_wb),
695 (ins GPR:$base, am2offset:$offset), LdFrm,
696 "ldr", " $dst, [$base], $offset", "$base = $base_wb", []>;
698 def LDRH_PRE : AI3ldhpr<(outs GPR:$dst, GPR:$base_wb),
699 (ins addrmode3:$addr), LdMiscFrm,
700 "ldr", "h $dst, $addr!", "$addr.base = $base_wb", []>;
702 def LDRH_POST : AI3ldhpo<(outs GPR:$dst, GPR:$base_wb),
703 (ins GPR:$base,am3offset:$offset), LdMiscFrm,
704 "ldr", "h $dst, [$base], $offset", "$base = $base_wb", []>;
706 def LDRB_PRE : AI2ldbpr<(outs GPR:$dst, GPR:$base_wb),
707 (ins addrmode2:$addr), LdFrm,
708 "ldr", "b $dst, $addr!", "$addr.base = $base_wb", []>;
710 def LDRB_POST : AI2ldbpo<(outs GPR:$dst, GPR:$base_wb),
711 (ins GPR:$base,am2offset:$offset), LdFrm,
712 "ldr", "b $dst, [$base], $offset", "$base = $base_wb", []>;
714 def LDRSH_PRE : AI3ldshpr<(outs GPR:$dst, GPR:$base_wb),
715 (ins addrmode3:$addr), LdMiscFrm,
716 "ldr", "sh $dst, $addr!", "$addr.base = $base_wb", []>;
718 def LDRSH_POST: AI3ldshpo<(outs GPR:$dst, GPR:$base_wb),
719 (ins GPR:$base,am3offset:$offset), LdMiscFrm,
720 "ldr", "sh $dst, [$base], $offset", "$base = $base_wb", []>;
722 def LDRSB_PRE : AI3ldsbpr<(outs GPR:$dst, GPR:$base_wb),
723 (ins addrmode3:$addr), LdMiscFrm,
724 "ldr", "sb $dst, $addr!", "$addr.base = $base_wb", []>;
726 def LDRSB_POST: AI3ldsbpo<(outs GPR:$dst, GPR:$base_wb),
727 (ins GPR:$base,am3offset:$offset), LdMiscFrm,
728 "ldr", "sb $dst, [$base], $offset", "$base = $base_wb", []>;
732 def STR : AI2stw<(outs), (ins GPR:$src, addrmode2:$addr), StFrm,
733 "str", " $src, $addr",
734 [(store GPR:$src, addrmode2:$addr)]>;
736 // Stores with truncate
737 def STRH : AI3sth<(outs), (ins GPR:$src, addrmode3:$addr), StMiscFrm,
738 "str", "h $src, $addr",
739 [(truncstorei16 GPR:$src, addrmode3:$addr)]>;
741 def STRB : AI2stb<(outs), (ins GPR:$src, addrmode2:$addr), StFrm,
742 "str", "b $src, $addr",
743 [(truncstorei8 GPR:$src, addrmode2:$addr)]>;
747 def STRD : AI3std<(outs), (ins GPR:$src1, GPR:$src2, addrmode3:$addr),StMiscFrm,
748 "str", "d $src1, $addr", []>, Requires<[IsARM, HasV5T]>;
751 def STR_PRE : AI2stwpr<(outs GPR:$base_wb),
752 (ins GPR:$src, GPR:$base, am2offset:$offset), StFrm,
753 "str", " $src, [$base, $offset]!", "$base = $base_wb",
755 (pre_store GPR:$src, GPR:$base, am2offset:$offset))]>;
757 def STR_POST : AI2stwpo<(outs GPR:$base_wb),
758 (ins GPR:$src, GPR:$base,am2offset:$offset), StFrm,
759 "str", " $src, [$base], $offset", "$base = $base_wb",
761 (post_store GPR:$src, GPR:$base, am2offset:$offset))]>;
763 def STRH_PRE : AI3sthpr<(outs GPR:$base_wb),
764 (ins GPR:$src, GPR:$base,am3offset:$offset), StMiscFrm,
765 "str", "h $src, [$base, $offset]!", "$base = $base_wb",
767 (pre_truncsti16 GPR:$src, GPR:$base,am3offset:$offset))]>;
769 def STRH_POST: AI3sthpo<(outs GPR:$base_wb),
770 (ins GPR:$src, GPR:$base,am3offset:$offset), StMiscFrm,
771 "str", "h $src, [$base], $offset", "$base = $base_wb",
772 [(set GPR:$base_wb, (post_truncsti16 GPR:$src,
773 GPR:$base, am3offset:$offset))]>;
775 def STRB_PRE : AI2stbpr<(outs GPR:$base_wb),
776 (ins GPR:$src, GPR:$base,am2offset:$offset), StFrm,
777 "str", "b $src, [$base, $offset]!", "$base = $base_wb",
778 [(set GPR:$base_wb, (pre_truncsti8 GPR:$src,
779 GPR:$base, am2offset:$offset))]>;
781 def STRB_POST: AI2stbpo<(outs GPR:$base_wb),
782 (ins GPR:$src, GPR:$base,am2offset:$offset), StFrm,
783 "str", "b $src, [$base], $offset", "$base = $base_wb",
784 [(set GPR:$base_wb, (post_truncsti8 GPR:$src,
785 GPR:$base, am2offset:$offset))]>;
787 //===----------------------------------------------------------------------===//
788 // Load / store multiple Instructions.
791 // FIXME: $dst1 should be a def.
793 def LDM : AXI4ld<(outs),
794 (ins addrmode4:$addr, pred:$p, reglist:$dst1, variable_ops),
795 LdStMulFrm, "ldm${p}${addr:submode} $addr, $dst1",
799 def STM : AXI4st<(outs),
800 (ins addrmode4:$addr, pred:$p, reglist:$src1, variable_ops),
801 LdStMulFrm, "stm${p}${addr:submode} $addr, $src1",
804 //===----------------------------------------------------------------------===//
805 // Move Instructions.
808 let neverHasSideEffects = 1 in
809 def MOVr : AsI1<0b1101, (outs GPR:$dst), (ins GPR:$src), DPFrm,
810 "mov", " $dst, $src", []>, UnaryDP;
811 def MOVs : AsI1<0b1101, (outs GPR:$dst), (ins so_reg:$src), DPSoRegFrm,
812 "mov", " $dst, $src", [(set GPR:$dst, so_reg:$src)]>, UnaryDP;
814 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
815 def MOVi : AsI1<0b1101, (outs GPR:$dst), (ins so_imm:$src), DPFrm,
816 "mov", " $dst, $src", [(set GPR:$dst, so_imm:$src)]>, UnaryDP;
818 def MOVrx : AsI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo,
819 "mov", " $dst, $src, rrx",
820 [(set GPR:$dst, (ARMrrx GPR:$src))]>, UnaryDP;
822 // These aren't really mov instructions, but we have to define them this way
823 // due to flag operands.
825 let Defs = [CPSR] in {
826 def MOVsrl_flag : AI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo,
827 "mov", "s $dst, $src, lsr #1",
828 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP;
829 def MOVsra_flag : AI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo,
830 "mov", "s $dst, $src, asr #1",
831 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP;
834 //===----------------------------------------------------------------------===//
835 // Extend Instructions.
840 defm SXTB : AI_unary_rrot<0b01101010,
841 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
842 defm SXTH : AI_unary_rrot<0b01101011,
843 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
845 defm SXTAB : AI_bin_rrot<0b01101010,
846 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
847 defm SXTAH : AI_bin_rrot<0b01101011,
848 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
850 // TODO: SXT(A){B|H}16
854 let AddedComplexity = 16 in {
855 defm UXTB : AI_unary_rrot<0b01101110,
856 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
857 defm UXTH : AI_unary_rrot<0b01101111,
858 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
859 defm UXTB16 : AI_unary_rrot<0b01101100,
860 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
862 def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
863 (UXTB16r_rot GPR:$Src, 24)>;
864 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
865 (UXTB16r_rot GPR:$Src, 8)>;
867 defm UXTAB : AI_bin_rrot<0b01101110, "uxtab",
868 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
869 defm UXTAH : AI_bin_rrot<0b01101111, "uxtah",
870 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
873 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
874 //defm UXTAB16 : xxx<"uxtab16", 0xff00ff>;
876 // TODO: UXT(A){B|H}16
878 //===----------------------------------------------------------------------===//
879 // Arithmetic Instructions.
882 defm ADD : AsI1_bin_irs<0b0100, "add",
883 BinOpFrag<(add node:$LHS, node:$RHS)>>;
884 defm SUB : AsI1_bin_irs<0b0010, "sub",
885 BinOpFrag<(sub node:$LHS, node:$RHS)>>;
887 // ADD and SUB with 's' bit set.
888 defm ADDS : ASI1_bin_s_irs<0b0100, "add",
889 BinOpFrag<(addc node:$LHS, node:$RHS)>>;
890 defm SUBS : ASI1_bin_s_irs<0b0010, "sub",
891 BinOpFrag<(subc node:$LHS, node:$RHS)>>;
893 // FIXME: Do not allow ADC / SBC to be predicated for now.
894 defm ADC : AsXI1_bin_c_irs<0b0101, "adc",
895 BinOpFrag<(adde node:$LHS, node:$RHS)>>;
896 defm SBC : AsXI1_bin_c_irs<0b0110, "sbc",
897 BinOpFrag<(sube node:$LHS, node:$RHS)>>;
899 // These don't define reg/reg forms, because they are handled above.
900 def RSBri : AsI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
901 "rsb", " $dst, $a, $b",
902 [(set GPR:$dst, (sub so_imm:$b, GPR:$a))]>;
904 def RSBrs : AsI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
905 "rsb", " $dst, $a, $b",
906 [(set GPR:$dst, (sub so_reg:$b, GPR:$a))]>;
908 // RSB with 's' bit set.
909 let Defs = [CPSR] in {
910 def RSBSri : AI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
911 "rsb", "s $dst, $a, $b",
912 [(set GPR:$dst, (subc so_imm:$b, GPR:$a))]>;
913 def RSBSrs : AI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
914 "rsb", "s $dst, $a, $b",
915 [(set GPR:$dst, (subc so_reg:$b, GPR:$a))]>;
918 // FIXME: Do not allow RSC to be predicated for now. But they can set CPSR.
919 let Uses = [CPSR] in {
920 def RSCri : AXI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_imm:$b, cc_out:$s),
921 DPFrm, "rsc${s} $dst, $a, $b",
922 [(set GPR:$dst, (sube so_imm:$b, GPR:$a))]>;
923 def RSCrs : AXI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_reg:$b, cc_out:$s),
924 DPSoRegFrm, "rsc${s} $dst, $a, $b",
925 [(set GPR:$dst, (sube so_reg:$b, GPR:$a))]>;
928 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
929 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
930 (SUBri GPR:$src, so_imm_neg:$imm)>;
932 //def : ARMPat<(addc GPR:$src, so_imm_neg:$imm),
933 // (SUBSri GPR:$src, so_imm_neg:$imm)>;
934 //def : ARMPat<(adde GPR:$src, so_imm_neg:$imm),
935 // (SBCri GPR:$src, so_imm_neg:$imm)>;
937 // Note: These are implemented in C++ code, because they have to generate
938 // ADD/SUBrs instructions, which use a complex pattern that a xform function
940 // (mul X, 2^n+1) -> (add (X << n), X)
941 // (mul X, 2^n-1) -> (rsb X, (X << n))
944 //===----------------------------------------------------------------------===//
945 // Bitwise Instructions.
948 defm AND : AsI1_bin_irs<0b0000, "and",
949 BinOpFrag<(and node:$LHS, node:$RHS)>>;
950 defm ORR : AsI1_bin_irs<0b1100, "orr",
951 BinOpFrag<(or node:$LHS, node:$RHS)>>;
952 defm EOR : AsI1_bin_irs<0b0001, "eor",
953 BinOpFrag<(xor node:$LHS, node:$RHS)>>;
954 defm BIC : AsI1_bin_irs<0b1110, "bic",
955 BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
957 def MVNr : AsI1<0b1111, (outs GPR:$dst), (ins GPR:$src), DPFrm,
958 "mvn", " $dst, $src",
959 [(set GPR:$dst, (not GPR:$src))]>, UnaryDP;
960 def MVNs : AsI1<0b1111, (outs GPR:$dst), (ins so_reg:$src), DPSoRegFrm,
961 "mvn", " $dst, $src",
962 [(set GPR:$dst, (not so_reg:$src))]>, UnaryDP;
963 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
964 def MVNi : AsI1<0b1111, (outs GPR:$dst), (ins so_imm:$imm), DPFrm,
965 "mvn", " $dst, $imm",
966 [(set GPR:$dst, so_imm_not:$imm)]>,UnaryDP;
968 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
969 (BICri GPR:$src, so_imm_not:$imm)>;
971 //===----------------------------------------------------------------------===//
972 // Multiply Instructions.
975 def MUL : AsMul1I<0b0000000, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
976 "mul", " $dst, $a, $b",
977 [(set GPR:$dst, (mul GPR:$a, GPR:$b))]>;
979 def MLA : AsMul1I<0b0000001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
980 "mla", " $dst, $a, $b, $c",
981 [(set GPR:$dst, (add (mul GPR:$a, GPR:$b), GPR:$c))]>;
983 // Extra precision multiplies with low / high results
984 let neverHasSideEffects = 1 in {
985 def SMULL : AsMul1I<0b0000110, (outs GPR:$ldst, GPR:$hdst),
986 (ins GPR:$a, GPR:$b),
987 "smull", " $ldst, $hdst, $a, $b", []>;
989 def UMULL : AsMul1I<0b0000100, (outs GPR:$ldst, GPR:$hdst),
990 (ins GPR:$a, GPR:$b),
991 "umull", " $ldst, $hdst, $a, $b", []>;
993 // Multiply + accumulate
994 def SMLAL : AsMul1I<0b0000111, (outs GPR:$ldst, GPR:$hdst),
995 (ins GPR:$a, GPR:$b),
996 "smlal", " $ldst, $hdst, $a, $b", []>;
998 def UMLAL : AsMul1I<0b0000101, (outs GPR:$ldst, GPR:$hdst),
999 (ins GPR:$a, GPR:$b),
1000 "umlal", " $ldst, $hdst, $a, $b", []>;
1002 def UMAAL : AMul1I <0b0000010, (outs GPR:$ldst, GPR:$hdst),
1003 (ins GPR:$a, GPR:$b),
1004 "umaal", " $ldst, $hdst, $a, $b", []>,
1005 Requires<[IsARM, HasV6]>;
1006 } // neverHasSideEffects
1008 // Most significant word multiply
1009 def SMMUL : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1010 "smmul", " $dst, $a, $b",
1011 [(set GPR:$dst, (mulhs GPR:$a, GPR:$b))]>,
1012 Requires<[IsARM, HasV6]> {
1013 let Inst{7-4} = 0b0001;
1014 let Inst{15-12} = 0b1111;
1017 def SMMLA : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1018 "smmla", " $dst, $a, $b, $c",
1019 [(set GPR:$dst, (add (mulhs GPR:$a, GPR:$b), GPR:$c))]>,
1020 Requires<[IsARM, HasV6]> {
1021 let Inst{7-4} = 0b0001;
1025 def SMMLS : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1026 "smmls", " $dst, $a, $b, $c",
1027 [(set GPR:$dst, (sub GPR:$c, (mulhs GPR:$a, GPR:$b)))]>,
1028 Requires<[IsARM, HasV6]> {
1029 let Inst{7-4} = 0b1101;
1032 multiclass AI_smul<string opc, PatFrag opnode> {
1033 def BB : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1034 !strconcat(opc, "bb"), " $dst, $a, $b",
1035 [(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16),
1036 (sext_inreg GPR:$b, i16)))]>,
1037 Requires<[IsARM, HasV5TE]> {
1042 def BT : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1043 !strconcat(opc, "bt"), " $dst, $a, $b",
1044 [(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16),
1045 (sra GPR:$b, (i32 16))))]>,
1046 Requires<[IsARM, HasV5TE]> {
1051 def TB : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1052 !strconcat(opc, "tb"), " $dst, $a, $b",
1053 [(set GPR:$dst, (opnode (sra GPR:$a, (i32 16)),
1054 (sext_inreg GPR:$b, i16)))]>,
1055 Requires<[IsARM, HasV5TE]> {
1060 def TT : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1061 !strconcat(opc, "tt"), " $dst, $a, $b",
1062 [(set GPR:$dst, (opnode (sra GPR:$a, (i32 16)),
1063 (sra GPR:$b, (i32 16))))]>,
1064 Requires<[IsARM, HasV5TE]> {
1069 def WB : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1070 !strconcat(opc, "wb"), " $dst, $a, $b",
1071 [(set GPR:$dst, (sra (opnode GPR:$a,
1072 (sext_inreg GPR:$b, i16)), (i32 16)))]>,
1073 Requires<[IsARM, HasV5TE]> {
1078 def WT : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1079 !strconcat(opc, "wt"), " $dst, $a, $b",
1080 [(set GPR:$dst, (sra (opnode GPR:$a,
1081 (sra GPR:$b, (i32 16))), (i32 16)))]>,
1082 Requires<[IsARM, HasV5TE]> {
1089 multiclass AI_smla<string opc, PatFrag opnode> {
1090 def BB : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1091 !strconcat(opc, "bb"), " $dst, $a, $b, $acc",
1092 [(set GPR:$dst, (add GPR:$acc,
1093 (opnode (sext_inreg GPR:$a, i16),
1094 (sext_inreg GPR:$b, i16))))]>,
1095 Requires<[IsARM, HasV5TE]> {
1100 def BT : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1101 !strconcat(opc, "bt"), " $dst, $a, $b, $acc",
1102 [(set GPR:$dst, (add GPR:$acc, (opnode (sext_inreg GPR:$a, i16),
1103 (sra GPR:$b, (i32 16)))))]>,
1104 Requires<[IsARM, HasV5TE]> {
1109 def TB : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1110 !strconcat(opc, "tb"), " $dst, $a, $b, $acc",
1111 [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, (i32 16)),
1112 (sext_inreg GPR:$b, i16))))]>,
1113 Requires<[IsARM, HasV5TE]> {
1118 def TT : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1119 !strconcat(opc, "tt"), " $dst, $a, $b, $acc",
1120 [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, (i32 16)),
1121 (sra GPR:$b, (i32 16)))))]>,
1122 Requires<[IsARM, HasV5TE]> {
1127 def WB : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1128 !strconcat(opc, "wb"), " $dst, $a, $b, $acc",
1129 [(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a,
1130 (sext_inreg GPR:$b, i16)), (i32 16))))]>,
1131 Requires<[IsARM, HasV5TE]> {
1136 def WT : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1137 !strconcat(opc, "wt"), " $dst, $a, $b, $acc",
1138 [(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a,
1139 (sra GPR:$b, (i32 16))), (i32 16))))]>,
1140 Requires<[IsARM, HasV5TE]> {
1146 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
1147 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
1149 // TODO: Halfword multiple accumulate long: SMLAL<x><y>
1150 // TODO: Dual halfword multiple: SMUAD, SMUSD, SMLAD, SMLSD, SMLALD, SMLSLD
1152 //===----------------------------------------------------------------------===//
1153 // Misc. Arithmetic Instructions.
1156 def CLZ : AMiscA1I<0b000010110, (outs GPR:$dst), (ins GPR:$src),
1157 "clz", " $dst, $src",
1158 [(set GPR:$dst, (ctlz GPR:$src))]>, Requires<[IsARM, HasV5T]> {
1159 let Inst{7-4} = 0b0001;
1160 let Inst{11-8} = 0b1111;
1161 let Inst{19-16} = 0b1111;
1164 def REV : AMiscA1I<0b01101011, (outs GPR:$dst), (ins GPR:$src),
1165 "rev", " $dst, $src",
1166 [(set GPR:$dst, (bswap GPR:$src))]>, Requires<[IsARM, HasV6]> {
1167 let Inst{7-4} = 0b0011;
1168 let Inst{11-8} = 0b1111;
1169 let Inst{19-16} = 0b1111;
1172 def REV16 : AMiscA1I<0b01101011, (outs GPR:$dst), (ins GPR:$src),
1173 "rev16", " $dst, $src",
1175 (or (and (srl GPR:$src, (i32 8)), 0xFF),
1176 (or (and (shl GPR:$src, (i32 8)), 0xFF00),
1177 (or (and (srl GPR:$src, (i32 8)), 0xFF0000),
1178 (and (shl GPR:$src, (i32 8)), 0xFF000000)))))]>,
1179 Requires<[IsARM, HasV6]> {
1180 let Inst{7-4} = 0b1011;
1181 let Inst{11-8} = 0b1111;
1182 let Inst{19-16} = 0b1111;
1185 def REVSH : AMiscA1I<0b01101111, (outs GPR:$dst), (ins GPR:$src),
1186 "revsh", " $dst, $src",
1189 (or (srl (and GPR:$src, 0xFF00), (i32 8)),
1190 (shl GPR:$src, (i32 8))), i16))]>,
1191 Requires<[IsARM, HasV6]> {
1192 let Inst{7-4} = 0b1011;
1193 let Inst{11-8} = 0b1111;
1194 let Inst{19-16} = 0b1111;
1197 def PKHBT : AMiscA1I<0b01101000, (outs GPR:$dst),
1198 (ins GPR:$src1, GPR:$src2, i32imm:$shamt),
1199 "pkhbt", " $dst, $src1, $src2, LSL $shamt",
1200 [(set GPR:$dst, (or (and GPR:$src1, 0xFFFF),
1201 (and (shl GPR:$src2, (i32 imm:$shamt)),
1203 Requires<[IsARM, HasV6]> {
1204 let Inst{6-4} = 0b001;
1207 // Alternate cases for PKHBT where identities eliminate some nodes.
1208 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF), (and GPR:$src2, 0xFFFF0000)),
1209 (PKHBT GPR:$src1, GPR:$src2, 0)>;
1210 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF), (shl GPR:$src2, imm16_31:$shamt)),
1211 (PKHBT GPR:$src1, GPR:$src2, imm16_31:$shamt)>;
1214 def PKHTB : AMiscA1I<0b01101000, (outs GPR:$dst),
1215 (ins GPR:$src1, GPR:$src2, i32imm:$shamt),
1216 "pkhtb", " $dst, $src1, $src2, ASR $shamt",
1217 [(set GPR:$dst, (or (and GPR:$src1, 0xFFFF0000),
1218 (and (sra GPR:$src2, imm16_31:$shamt),
1219 0xFFFF)))]>, Requires<[IsARM, HasV6]> {
1220 let Inst{6-4} = 0b101;
1223 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
1224 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
1225 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000), (srl GPR:$src2, (i32 16))),
1226 (PKHTB GPR:$src1, GPR:$src2, 16)>;
1227 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000),
1228 (and (srl GPR:$src2, imm1_15:$shamt), 0xFFFF)),
1229 (PKHTB GPR:$src1, GPR:$src2, imm1_15:$shamt)>;
1231 //===----------------------------------------------------------------------===//
1232 // Comparison Instructions...
1235 defm CMP : AI1_cmp_irs<0b1010, "cmp",
1236 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
1237 defm CMN : AI1_cmp_irs<0b1011, "cmn",
1238 BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
1240 // Note that TST/TEQ don't set all the same flags that CMP does!
1241 defm TST : AI1_cmp_irs<0b1000, "tst",
1242 BinOpFrag<(ARMcmpNZ (and node:$LHS, node:$RHS), 0)>>;
1243 defm TEQ : AI1_cmp_irs<0b1001, "teq",
1244 BinOpFrag<(ARMcmpNZ (xor node:$LHS, node:$RHS), 0)>>;
1246 defm CMPnz : AI1_cmp_irs<0b1010, "cmp",
1247 BinOpFrag<(ARMcmpNZ node:$LHS, node:$RHS)>>;
1248 defm CMNnz : AI1_cmp_irs<0b1011, "cmn",
1249 BinOpFrag<(ARMcmpNZ node:$LHS,(ineg node:$RHS))>>;
1251 def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
1252 (CMNri GPR:$src, so_imm_neg:$imm)>;
1254 def : ARMPat<(ARMcmpNZ GPR:$src, so_imm_neg:$imm),
1255 (CMNri GPR:$src, so_imm_neg:$imm)>;
1258 // Conditional moves
1259 // FIXME: should be able to write a pattern for ARMcmov, but can't use
1260 // a two-value operand where a dag node expects two operands. :(
1261 def MOVCCr : AI1<0b1101, (outs GPR:$dst), (ins GPR:$false, GPR:$true), DPFrm,
1262 "mov", " $dst, $true",
1263 [/*(set GPR:$dst, (ARMcmov GPR:$false, GPR:$true, imm:$cc, CCR:$ccr))*/]>,
1264 RegConstraint<"$false = $dst">, UnaryDP;
1266 def MOVCCs : AI1<0b1101, (outs GPR:$dst),
1267 (ins GPR:$false, so_reg:$true), DPSoRegFrm,
1268 "mov", " $dst, $true",
1269 [/*(set GPR:$dst, (ARMcmov GPR:$false, so_reg:$true, imm:$cc, CCR:$ccr))*/]>,
1270 RegConstraint<"$false = $dst">, UnaryDP;
1272 def MOVCCi : AI1<0b1101, (outs GPR:$dst),
1273 (ins GPR:$false, so_imm:$true), DPFrm,
1274 "mov", " $dst, $true",
1275 [/*(set GPR:$dst, (ARMcmov GPR:$false, so_imm:$true, imm:$cc, CCR:$ccr))*/]>,
1276 RegConstraint<"$false = $dst">, UnaryDP;
1279 // LEApcrel - Load a pc-relative address into a register without offending the
1281 def LEApcrel : AXI1<0x0, (outs GPR:$dst), (ins i32imm:$label, pred:$p), Pseudo,
1282 !strconcat(!strconcat(".set PCRELV${:uid}, ($label-(",
1283 "${:private}PCRELL${:uid}+8))\n"),
1284 !strconcat("${:private}PCRELL${:uid}:\n\t",
1285 "add$p $dst, pc, #PCRELV${:uid}")),
1288 def LEApcrelJT : AXI1<0x0, (outs GPR:$dst), (ins i32imm:$label, i32imm:$id, pred:$p),
1290 !strconcat(!strconcat(".set PCRELV${:uid}, (${label}_${id:no_hash}-(",
1291 "${:private}PCRELL${:uid}+8))\n"),
1292 !strconcat("${:private}PCRELL${:uid}:\n\t",
1293 "add$p $dst, pc, #PCRELV${:uid}")),
1296 //===----------------------------------------------------------------------===//
1300 // __aeabi_read_tp preserves the registers r1-r3.
1302 Defs = [R0, R12, LR, CPSR] in {
1303 def TPsoft : ABXI<0b1011, (outs), (ins),
1304 "bl __aeabi_read_tp",
1305 [(set R0, ARMthread_pointer)]>;
1308 //===----------------------------------------------------------------------===//
1309 // SJLJ Exception handling intrinsics
1310 // eh_sjlj_setjmp() is a three instruction sequence to store the return
1311 // address and save #0 in R0 for the non-longjmp case.
1312 // Since by its nature we may be coming from some other function to get
1313 // here, and we're using the stack frame for the containing function to
1314 // save/restore registers, we can't keep anything live in regs across
1315 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
1316 // when we get here from a longjmp(). We force everthing out of registers
1317 // except for our own input by listing the relevant registers in Defs. By
1318 // doing so, we also cause the prologue/epilogue code to actively preserve
1319 // all of the callee-saved resgisters, which is exactly what we want.
1321 [ R0, R1, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR,
1322 D0, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15 ] in {
1323 def Int_eh_sjlj_setjmp : XI<(outs), (ins GPR:$src),
1324 AddrModeNone, SizeSpecial, IndexModeNone, Pseudo,
1325 "add r0, pc, #4\n\t"
1326 "str r0, [$src, #+4]\n\t"
1327 "mov r0, #0 @ eh_setjmp", "",
1328 [(set R0, (ARMeh_sjlj_setjmp GPR:$src))]>;
1331 //===----------------------------------------------------------------------===//
1332 // Non-Instruction Patterns
1335 // ConstantPool, GlobalAddress, and JumpTable
1336 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>;
1337 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
1338 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
1339 (LEApcrelJT tjumptable:$dst, imm:$id)>;
1341 // Large immediate handling.
1343 // Two piece so_imms.
1344 let isReMaterializable = 1 in
1345 def MOVi2pieces : AI1x2<(outs GPR:$dst), (ins so_imm2part:$src), Pseudo,
1346 "mov", " $dst, $src",
1347 [(set GPR:$dst, so_imm2part:$src)]>;
1349 def : ARMPat<(or GPR:$LHS, so_imm2part:$RHS),
1350 (ORRri (ORRri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
1351 (so_imm2part_2 imm:$RHS))>;
1352 def : ARMPat<(xor GPR:$LHS, so_imm2part:$RHS),
1353 (EORri (EORri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
1354 (so_imm2part_2 imm:$RHS))>;
1356 // TODO: add,sub,and, 3-instr forms?
1360 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>,
1361 Requires<[IsNotDarwin]>;
1362 def : ARMPat<(ARMcall texternalsym:$func), (BLr9 texternalsym:$func)>,
1363 Requires<[IsDarwin]>;
1365 // zextload i1 -> zextload i8
1366 def : ARMPat<(zextloadi1 addrmode2:$addr), (LDRB addrmode2:$addr)>;
1368 // extload -> zextload
1369 def : ARMPat<(extloadi1 addrmode2:$addr), (LDRB addrmode2:$addr)>;
1370 def : ARMPat<(extloadi8 addrmode2:$addr), (LDRB addrmode2:$addr)>;
1371 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
1373 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
1374 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
1377 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
1378 (sra (shl GPR:$b, (i32 16)), (i32 16))),
1379 (SMULBB GPR:$a, GPR:$b)>;
1380 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
1381 (SMULBB GPR:$a, GPR:$b)>;
1382 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
1383 (sra GPR:$b, (i32 16))),
1384 (SMULBT GPR:$a, GPR:$b)>;
1385 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
1386 (SMULBT GPR:$a, GPR:$b)>;
1387 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
1388 (sra (shl GPR:$b, (i32 16)), (i32 16))),
1389 (SMULTB GPR:$a, GPR:$b)>;
1390 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
1391 (SMULTB GPR:$a, GPR:$b)>;
1392 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
1394 (SMULWB GPR:$a, GPR:$b)>;
1395 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
1396 (SMULWB GPR:$a, GPR:$b)>;
1398 def : ARMV5TEPat<(add GPR:$acc,
1399 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
1400 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
1401 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
1402 def : ARMV5TEPat<(add GPR:$acc,
1403 (mul sext_16_node:$a, sext_16_node:$b)),
1404 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
1405 def : ARMV5TEPat<(add GPR:$acc,
1406 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
1407 (sra GPR:$b, (i32 16)))),
1408 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
1409 def : ARMV5TEPat<(add GPR:$acc,
1410 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
1411 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
1412 def : ARMV5TEPat<(add GPR:$acc,
1413 (mul (sra GPR:$a, (i32 16)),
1414 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
1415 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
1416 def : ARMV5TEPat<(add GPR:$acc,
1417 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
1418 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
1419 def : ARMV5TEPat<(add GPR:$acc,
1420 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
1422 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
1423 def : ARMV5TEPat<(add GPR:$acc,
1424 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
1425 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
1427 //===----------------------------------------------------------------------===//
1431 include "ARMInstrThumb.td"
1433 //===----------------------------------------------------------------------===//
1437 include "ARMInstrThumb2.td"
1439 //===----------------------------------------------------------------------===//
1440 // Floating Point Support
1443 include "ARMInstrVFP.td"
1445 //===----------------------------------------------------------------------===//
1446 // Advanced SIMD (NEON) Support
1449 include "ARMInstrNEON.td"