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>]>;
45 def ARMWrapper : SDNode<"ARMISD::Wrapper", SDTIntUnaryOp>;
46 def ARMWrapperJT : SDNode<"ARMISD::WrapperJT", SDTIntBinOp>;
48 def ARMcallseq_start : SDNode<"ISD::CALLSEQ_START", SDT_ARMCallSeqStart,
49 [SDNPHasChain, SDNPOutFlag]>;
50 def ARMcallseq_end : SDNode<"ISD::CALLSEQ_END", SDT_ARMCallSeqEnd,
51 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
53 def ARMcall : SDNode<"ARMISD::CALL", SDT_ARMcall,
54 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
55 def ARMcall_pred : SDNode<"ARMISD::CALL_PRED", SDT_ARMcall,
56 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
57 def ARMcall_nolink : SDNode<"ARMISD::CALL_NOLINK", SDT_ARMcall,
58 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
60 def ARMretflag : SDNode<"ARMISD::RET_FLAG", SDTNone,
61 [SDNPHasChain, SDNPOptInFlag]>;
63 def ARMcmov : SDNode<"ARMISD::CMOV", SDT_ARMCMov,
65 def ARMcneg : SDNode<"ARMISD::CNEG", SDT_ARMCMov,
68 def ARMbrcond : SDNode<"ARMISD::BRCOND", SDT_ARMBrcond,
69 [SDNPHasChain, SDNPInFlag, SDNPOutFlag]>;
71 def ARMbrjt : SDNode<"ARMISD::BR_JT", SDT_ARMBrJT,
74 def ARMcmp : SDNode<"ARMISD::CMP", SDT_ARMCmp,
77 def ARMcmpNZ : SDNode<"ARMISD::CMPNZ", SDT_ARMCmp,
80 def ARMpic_add : SDNode<"ARMISD::PIC_ADD", SDT_ARMPICAdd>;
82 def ARMsrl_flag : SDNode<"ARMISD::SRL_FLAG", SDTIntUnaryOp, [SDNPOutFlag]>;
83 def ARMsra_flag : SDNode<"ARMISD::SRA_FLAG", SDTIntUnaryOp, [SDNPOutFlag]>;
84 def ARMrrx : SDNode<"ARMISD::RRX" , SDTIntUnaryOp, [SDNPInFlag ]>;
86 def ARMthread_pointer: SDNode<"ARMISD::THREAD_POINTER", SDT_ARMThreadPointer>;
88 //===----------------------------------------------------------------------===//
89 // ARM Instruction Predicate Definitions.
91 def HasV5T : Predicate<"Subtarget->hasV5TOps()">;
92 def HasV5TE : Predicate<"Subtarget->hasV5TEOps()">;
93 def HasV6 : Predicate<"Subtarget->hasV6Ops()">;
94 def IsThumb : Predicate<"Subtarget->isThumb()">;
95 def IsARM : Predicate<"!Subtarget->isThumb()">;
97 //===----------------------------------------------------------------------===//
98 // ARM Flag Definitions.
100 class RegConstraint<string C> {
101 string Constraints = C;
104 //===----------------------------------------------------------------------===//
105 // ARM specific transformation functions and pattern fragments.
108 // so_imm_XFORM - Return a so_imm value packed into the format described for
110 def so_imm_XFORM : SDNodeXForm<imm, [{
111 return CurDAG->getTargetConstant(ARM_AM::getSOImmVal(N->getZExtValue()),
115 // so_imm_neg_XFORM - Return a so_imm value packed into the format described for
116 // so_imm_neg def below.
117 def so_imm_neg_XFORM : SDNodeXForm<imm, [{
118 return CurDAG->getTargetConstant(ARM_AM::getSOImmVal(-(int)N->getZExtValue()),
122 // so_imm_not_XFORM - Return a so_imm value packed into the format described for
123 // so_imm_not def below.
124 def so_imm_not_XFORM : SDNodeXForm<imm, [{
125 return CurDAG->getTargetConstant(ARM_AM::getSOImmVal(~(int)N->getZExtValue()),
129 // rot_imm predicate - True if the 32-bit immediate is equal to 8, 16, or 24.
130 def rot_imm : PatLeaf<(i32 imm), [{
131 int32_t v = (int32_t)N->getZExtValue();
132 return v == 8 || v == 16 || v == 24;
135 /// imm1_15 predicate - True if the 32-bit immediate is in the range [1,15].
136 def imm1_15 : PatLeaf<(i32 imm), [{
137 return (int32_t)N->getZExtValue() >= 1 && (int32_t)N->getZExtValue() < 16;
140 /// imm16_31 predicate - True if the 32-bit immediate is in the range [16,31].
141 def imm16_31 : PatLeaf<(i32 imm), [{
142 return (int32_t)N->getZExtValue() >= 16 && (int32_t)N->getZExtValue() < 32;
147 return ARM_AM::getSOImmVal(-(int)N->getZExtValue()) != -1;
148 }], so_imm_neg_XFORM>;
152 return ARM_AM::getSOImmVal(~(int)N->getZExtValue()) != -1;
153 }], so_imm_not_XFORM>;
155 // sext_16_node predicate - True if the SDNode is sign-extended 16 or more bits.
156 def sext_16_node : PatLeaf<(i32 GPR:$a), [{
157 return CurDAG->ComputeNumSignBits(SDValue(N,0)) >= 17;
160 class BinOpFrag<dag res> : PatFrag<(ops node:$LHS, node:$RHS), res>;
161 class UnOpFrag <dag res> : PatFrag<(ops node:$Src), res>;
163 //===----------------------------------------------------------------------===//
164 // Operand Definitions.
168 def brtarget : Operand<OtherVT>;
170 // A list of registers separated by comma. Used by load/store multiple.
171 def reglist : Operand<i32> {
172 let PrintMethod = "printRegisterList";
175 // An operand for the CONSTPOOL_ENTRY pseudo-instruction.
176 def cpinst_operand : Operand<i32> {
177 let PrintMethod = "printCPInstOperand";
180 def jtblock_operand : Operand<i32> {
181 let PrintMethod = "printJTBlockOperand";
185 def pclabel : Operand<i32> {
186 let PrintMethod = "printPCLabel";
189 // shifter_operand operands: so_reg and so_imm.
190 def so_reg : Operand<i32>, // reg reg imm
191 ComplexPattern<i32, 3, "SelectShifterOperandReg",
192 [shl,srl,sra,rotr]> {
193 let PrintMethod = "printSORegOperand";
194 let MIOperandInfo = (ops GPR, GPR, i32imm);
197 // so_imm - Match a 32-bit shifter_operand immediate operand, which is an
198 // 8-bit immediate rotated by an arbitrary number of bits. so_imm values are
199 // represented in the imm field in the same 12-bit form that they are encoded
200 // into so_imm instructions: the 8-bit immediate is the least significant bits
201 // [bits 0-7], the 4-bit shift amount is the next 4 bits [bits 8-11].
202 def so_imm : Operand<i32>,
204 [{ return ARM_AM::getSOImmVal(N->getZExtValue()) != -1; }],
206 let PrintMethod = "printSOImmOperand";
209 // Break so_imm's up into two pieces. This handles immediates with up to 16
210 // bits set in them. This uses so_imm2part to match and so_imm2part_[12] to
211 // get the first/second pieces.
212 def so_imm2part : Operand<i32>,
214 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
216 let PrintMethod = "printSOImm2PartOperand";
219 def so_imm2part_1 : SDNodeXForm<imm, [{
220 unsigned V = ARM_AM::getSOImmTwoPartFirst((unsigned)N->getZExtValue());
221 return CurDAG->getTargetConstant(ARM_AM::getSOImmVal(V), MVT::i32);
224 def so_imm2part_2 : SDNodeXForm<imm, [{
225 unsigned V = ARM_AM::getSOImmTwoPartSecond((unsigned)N->getZExtValue());
226 return CurDAG->getTargetConstant(ARM_AM::getSOImmVal(V), MVT::i32);
230 // Define ARM specific addressing modes.
232 // addrmode2 := reg +/- reg shop imm
233 // addrmode2 := reg +/- imm12
235 def addrmode2 : Operand<i32>,
236 ComplexPattern<i32, 3, "SelectAddrMode2", []> {
237 let PrintMethod = "printAddrMode2Operand";
238 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
241 def am2offset : Operand<i32>,
242 ComplexPattern<i32, 2, "SelectAddrMode2Offset", []> {
243 let PrintMethod = "printAddrMode2OffsetOperand";
244 let MIOperandInfo = (ops GPR, i32imm);
247 // addrmode3 := reg +/- reg
248 // addrmode3 := reg +/- imm8
250 def addrmode3 : Operand<i32>,
251 ComplexPattern<i32, 3, "SelectAddrMode3", []> {
252 let PrintMethod = "printAddrMode3Operand";
253 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
256 def am3offset : Operand<i32>,
257 ComplexPattern<i32, 2, "SelectAddrMode3Offset", []> {
258 let PrintMethod = "printAddrMode3OffsetOperand";
259 let MIOperandInfo = (ops GPR, i32imm);
262 // addrmode4 := reg, <mode|W>
264 def addrmode4 : Operand<i32>,
265 ComplexPattern<i32, 2, "", []> {
266 let PrintMethod = "printAddrMode4Operand";
267 let MIOperandInfo = (ops GPR, i32imm);
270 // addrmode5 := reg +/- imm8*4
272 def addrmode5 : Operand<i32>,
273 ComplexPattern<i32, 2, "SelectAddrMode5", []> {
274 let PrintMethod = "printAddrMode5Operand";
275 let MIOperandInfo = (ops GPR, i32imm);
278 // addrmodepc := pc + reg
280 def addrmodepc : Operand<i32>,
281 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
282 let PrintMethod = "printAddrModePCOperand";
283 let MIOperandInfo = (ops GPR, i32imm);
286 // ARM Predicate operand. Default to 14 = always (AL). Second part is CC
287 // register whose default is 0 (no register).
288 def pred : PredicateOperand<OtherVT, (ops i32imm, CCR),
289 (ops (i32 14), (i32 zero_reg))> {
290 let PrintMethod = "printPredicateOperand";
293 // Conditional code result for instructions whose 's' bit is set, e.g. subs.
295 def cc_out : OptionalDefOperand<OtherVT, (ops CCR), (ops (i32 zero_reg))> {
296 let PrintMethod = "printSBitModifierOperand";
299 //===----------------------------------------------------------------------===//
300 // ARM Instruction flags. These need to match ARMInstrInfo.h.
304 class AddrMode<bits<4> val> {
307 def AddrModeNone : AddrMode<0>;
308 def AddrMode1 : AddrMode<1>;
309 def AddrMode2 : AddrMode<2>;
310 def AddrMode3 : AddrMode<3>;
311 def AddrMode4 : AddrMode<4>;
312 def AddrMode5 : AddrMode<5>;
313 def AddrModeT1 : AddrMode<6>;
314 def AddrModeT2 : AddrMode<7>;
315 def AddrModeT4 : AddrMode<8>;
316 def AddrModeTs : AddrMode<9>;
319 class SizeFlagVal<bits<3> val> {
322 def SizeInvalid : SizeFlagVal<0>; // Unset.
323 def SizeSpecial : SizeFlagVal<1>; // Pseudo or special.
324 def Size8Bytes : SizeFlagVal<2>;
325 def Size4Bytes : SizeFlagVal<3>;
326 def Size2Bytes : SizeFlagVal<4>;
328 // Load / store index mode.
329 class IndexMode<bits<2> val> {
332 def IndexModeNone : IndexMode<0>;
333 def IndexModePre : IndexMode<1>;
334 def IndexModePost : IndexMode<2>;
336 //===----------------------------------------------------------------------===//
338 include "ARMInstrFormats.td"
340 //===----------------------------------------------------------------------===//
341 // Multiclass helpers...
344 /// AsI1_bin_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns for a
345 /// binop that produces a value.
346 multiclass AsI1_bin_irs<bits<4> opcod, string opc, PatFrag opnode> {
347 def ri : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
348 opc, " $dst, $a, $b",
349 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]>;
350 def rr : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
351 opc, " $dst, $a, $b",
352 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]>;
353 def rs : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
354 opc, " $dst, $a, $b",
355 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]>;
358 /// ASI1_bin_s_irs - Similar to AsI1_bin_irs except it sets the 's' bit so the
359 /// instruction modifies the CSPR register.
360 let Defs = [CPSR] in {
361 multiclass ASI1_bin_s_irs<bits<4> opcod, string opc, PatFrag opnode> {
362 def ri : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
363 opc, "s $dst, $a, $b",
364 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]>;
365 def rr : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
366 opc, "s $dst, $a, $b",
367 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]>;
368 def rs : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
369 opc, "s $dst, $a, $b",
370 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]>;
374 /// AI1_cmp_irs - Defines a set of (op r, {so_imm|r|so_reg}) cmp / test
375 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
376 /// a explicit result, only implicitly set CPSR.
377 let Defs = [CPSR] in {
378 multiclass AI1_cmp_irs<bits<4> opcod, string opc, PatFrag opnode> {
379 def ri : AI1<opcod, (outs), (ins GPR:$a, so_imm:$b), DPFrm,
381 [(opnode GPR:$a, so_imm:$b)]>;
382 def rr : AI1<opcod, (outs), (ins GPR:$a, GPR:$b), DPFrm,
384 [(opnode GPR:$a, GPR:$b)]>;
385 def rs : AI1<opcod, (outs), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
387 [(opnode GPR:$a, so_reg:$b)]>;
391 /// AI_unary_rrot - A unary operation with two forms: one whose operand is a
392 /// register and one whose operand is a register rotated by 8/16/24.
393 /// FIXME: Remove the 'r' variant. Its rot_imm is zero.
394 multiclass AI_unary_rrot<bits<8> opcod, string opc, PatFrag opnode> {
395 def r : AExtI<opcod, (outs GPR:$dst), (ins GPR:$Src),
397 [(set GPR:$dst, (opnode GPR:$Src))]>,
398 Requires<[IsARM, HasV6]> {
399 let Inst{19-16} = 0b1111;
401 def r_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$Src, i32imm:$rot),
402 opc, " $dst, $Src, ror $rot",
403 [(set GPR:$dst, (opnode (rotr GPR:$Src, rot_imm:$rot)))]>,
404 Requires<[IsARM, HasV6]> {
405 let Inst{19-16} = 0b1111;
409 /// AI_bin_rrot - A binary operation with two forms: one whose operand is a
410 /// register and one whose operand is a register rotated by 8/16/24.
411 multiclass AI_bin_rrot<bits<8> opcod, string opc, PatFrag opnode> {
412 def rr : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS),
413 opc, " $dst, $LHS, $RHS",
414 [(set GPR:$dst, (opnode GPR:$LHS, GPR:$RHS))]>,
415 Requires<[IsARM, HasV6]>;
416 def rr_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS, i32imm:$rot),
417 opc, " $dst, $LHS, $RHS, ror $rot",
418 [(set GPR:$dst, (opnode GPR:$LHS,
419 (rotr GPR:$RHS, rot_imm:$rot)))]>,
420 Requires<[IsARM, HasV6]>;
423 /// AsXI1_bin_c_irs - Same as AsI1_bin_irs but without the predicate operand and
424 /// setting carry bit. But it can optionally set CPSR.
425 let Uses = [CPSR] in {
426 multiclass AsXI1_bin_c_irs<bits<4> opcod, string opc, PatFrag opnode> {
427 def ri : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b, cc_out:$s),
428 DPFrm, !strconcat(opc, "${s} $dst, $a, $b"),
429 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]>;
430 def rr : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b, cc_out:$s),
431 DPFrm, !strconcat(opc, "${s} $dst, $a, $b"),
432 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]>;
433 def rs : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b, cc_out:$s),
434 DPSoRegFrm, !strconcat(opc, "${s} $dst, $a, $b"),
435 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]>;
439 //===----------------------------------------------------------------------===//
441 //===----------------------------------------------------------------------===//
443 //===----------------------------------------------------------------------===//
444 // Miscellaneous Instructions.
447 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
448 /// the function. The first operand is the ID# for this instruction, the second
449 /// is the index into the MachineConstantPool that this is, the third is the
450 /// size in bytes of this constant pool entry.
451 let isNotDuplicable = 1 in
452 def CONSTPOOL_ENTRY :
453 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
455 "${instid:label} ${cpidx:cpentry}", []>;
457 let Defs = [SP], Uses = [SP] in {
459 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p),
460 "@ ADJCALLSTACKUP $amt1",
461 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
463 def ADJCALLSTACKDOWN :
464 PseudoInst<(outs), (ins i32imm:$amt, pred:$p),
465 "@ ADJCALLSTACKDOWN $amt",
466 [(ARMcallseq_start timm:$amt)]>;
470 PseudoInst<(outs), (ins i32imm:$line, i32imm:$col, i32imm:$file),
471 ".loc $file, $line, $col",
472 [(dwarf_loc (i32 imm:$line), (i32 imm:$col), (i32 imm:$file))]>;
475 // Address computation and loads and stores in PIC mode.
476 let isNotDuplicable = 1 in {
477 def PICADD : AXI1<0b0100, (outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
478 Pseudo, "$cp:\n\tadd$p $dst, pc, $a",
479 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
481 let AddedComplexity = 10 in {
482 let canFoldAsLoad = 1 in
483 def PICLDR : AXI2ldw<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
484 Pseudo, "${addr:label}:\n\tldr$p $dst, $addr",
485 [(set GPR:$dst, (load addrmodepc:$addr))]>;
487 def PICLDRH : AXI3ldh<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
488 Pseudo, "${addr:label}:\n\tldr${p}h $dst, $addr",
489 [(set GPR:$dst, (zextloadi16 addrmodepc:$addr))]>;
491 def PICLDRB : AXI2ldb<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
492 Pseudo, "${addr:label}:\n\tldr${p}b $dst, $addr",
493 [(set GPR:$dst, (zextloadi8 addrmodepc:$addr))]>;
495 def PICLDRSH : AXI3ldsh<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
496 Pseudo, "${addr:label}:\n\tldr${p}sh $dst, $addr",
497 [(set GPR:$dst, (sextloadi16 addrmodepc:$addr))]>;
499 def PICLDRSB : AXI3ldsb<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
500 Pseudo, "${addr:label}:\n\tldr${p}sb $dst, $addr",
501 [(set GPR:$dst, (sextloadi8 addrmodepc:$addr))]>;
503 let AddedComplexity = 10 in {
504 def PICSTR : AXI2stw<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
505 Pseudo, "${addr:label}:\n\tstr$p $src, $addr",
506 [(store GPR:$src, addrmodepc:$addr)]>;
508 def PICSTRH : AXI3sth<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
509 Pseudo, "${addr:label}:\n\tstr${p}h $src, $addr",
510 [(truncstorei16 GPR:$src, addrmodepc:$addr)]>;
512 def PICSTRB : AXI2stb<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
513 Pseudo, "${addr:label}:\n\tstr${p}b $src, $addr",
514 [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
516 } // isNotDuplicable = 1
518 //===----------------------------------------------------------------------===//
519 // Control Flow Instructions.
522 let isReturn = 1, isTerminator = 1 in
523 def BX_RET : AI<(outs), (ins), BrMiscFrm, "bx", " lr", [(ARMretflag)]> {
524 let Inst{7-4} = 0b0001;
525 let Inst{19-8} = 0b111111111111;
526 let Inst{27-20} = 0b00010010;
529 // FIXME: remove when we have a way to marking a MI with these properties.
530 // FIXME: $dst1 should be a def. But the extra ops must be in the end of the
532 // FIXME: Should pc be an implicit operand like PICADD, etc?
533 let isReturn = 1, isTerminator = 1 in
534 def LDM_RET : AXI4ld<(outs),
535 (ins addrmode4:$addr, pred:$p, reglist:$dst1, variable_ops),
536 LdStMulFrm, "ldm${p}${addr:submode} $addr, $dst1",
540 Defs = [R0, R1, R2, R3, R12, LR,
541 D0, D1, D2, D3, D4, D5, D6, D7, CPSR] in {
542 def BL : ABXI<0b1011, (outs), (ins i32imm:$func, variable_ops),
544 [(ARMcall tglobaladdr:$func)]>;
546 def BL_pred : ABI<0b1011, (outs), (ins i32imm:$func, variable_ops),
547 "bl", " ${func:call}",
548 [(ARMcall_pred tglobaladdr:$func)]>;
551 def BLX : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
553 [(ARMcall GPR:$func)]>, Requires<[IsARM, HasV5T]> {
554 let Inst{7-4} = 0b0011;
555 let Inst{19-8} = 0b111111111111;
556 let Inst{27-20} = 0b00010010;
561 def BX : ABXIx2<(outs), (ins GPR:$func, variable_ops),
562 "mov lr, pc\n\tbx $func",
563 [(ARMcall_nolink GPR:$func)]>;
567 let isBranch = 1, isTerminator = 1 in {
568 // B is "predicable" since it can be xformed into a Bcc.
569 let isBarrier = 1 in {
570 let isPredicable = 1 in
571 def B : ABXI<0b1010, (outs), (ins brtarget:$target), "b $target",
574 let isNotDuplicable = 1, isIndirectBranch = 1 in {
575 def BR_JTr : JTI<(outs), (ins GPR:$target, jtblock_operand:$jt, i32imm:$id),
576 "mov pc, $target \n$jt",
577 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]> {
578 let Inst{20} = 0; // S Bit
579 let Inst{24-21} = 0b1101;
580 let Inst{27-26} = {0,0};
582 def BR_JTm : JTI<(outs),
583 (ins addrmode2:$target, jtblock_operand:$jt, i32imm:$id),
584 "ldr pc, $target \n$jt",
585 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
587 let Inst{20} = 1; // L bit
588 let Inst{21} = 0; // W bit
589 let Inst{22} = 0; // B bit
590 let Inst{24} = 1; // P bit
591 let Inst{27-26} = {0,1};
593 def BR_JTadd : JTI<(outs),
594 (ins GPR:$target, GPR:$idx, jtblock_operand:$jt, i32imm:$id),
595 "add pc, $target, $idx \n$jt",
596 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
598 let Inst{20} = 0; // S bit
599 let Inst{24-21} = 0b0100;
600 let Inst{27-26} = {0,0};
602 } // isNotDuplicable = 1, isIndirectBranch = 1
605 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
606 // a two-value operand where a dag node expects two operands. :(
607 def Bcc : ABI<0b1010, (outs), (ins brtarget:$target),
609 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]>;
612 //===----------------------------------------------------------------------===//
613 // Load / store Instructions.
617 let canFoldAsLoad = 1 in
618 def LDR : AI2ldw<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm,
619 "ldr", " $dst, $addr",
620 [(set GPR:$dst, (load addrmode2:$addr))]>;
622 // Special LDR for loads from non-pc-relative constpools.
623 let canFoldAsLoad = 1, mayLoad = 1, isReMaterializable = 1 in
624 def LDRcp : AI2ldw<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm,
625 "ldr", " $dst, $addr", []>;
627 // Loads with zero extension
628 def LDRH : AI3ldh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
629 "ldr", "h $dst, $addr",
630 [(set GPR:$dst, (zextloadi16 addrmode3:$addr))]>;
632 def LDRB : AI2ldb<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm,
633 "ldr", "b $dst, $addr",
634 [(set GPR:$dst, (zextloadi8 addrmode2:$addr))]>;
636 // Loads with sign extension
637 def LDRSH : AI3ldsh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
638 "ldr", "sh $dst, $addr",
639 [(set GPR:$dst, (sextloadi16 addrmode3:$addr))]>;
641 def LDRSB : AI3ldsb<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
642 "ldr", "sb $dst, $addr",
643 [(set GPR:$dst, (sextloadi8 addrmode3:$addr))]>;
647 def LDRD : AI3ldd<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
648 "ldr", "d $dst, $addr",
649 []>, Requires<[IsARM, HasV5T]>;
652 def LDR_PRE : AI2ldwpr<(outs GPR:$dst, GPR:$base_wb),
653 (ins addrmode2:$addr), LdFrm,
654 "ldr", " $dst, $addr!", "$addr.base = $base_wb", []>;
656 def LDR_POST : AI2ldwpo<(outs GPR:$dst, GPR:$base_wb),
657 (ins GPR:$base, am2offset:$offset), LdFrm,
658 "ldr", " $dst, [$base], $offset", "$base = $base_wb", []>;
660 def LDRH_PRE : AI3ldhpr<(outs GPR:$dst, GPR:$base_wb),
661 (ins addrmode3:$addr), LdMiscFrm,
662 "ldr", "h $dst, $addr!", "$addr.base = $base_wb", []>;
664 def LDRH_POST : AI3ldhpo<(outs GPR:$dst, GPR:$base_wb),
665 (ins GPR:$base,am3offset:$offset), LdMiscFrm,
666 "ldr", "h $dst, [$base], $offset", "$base = $base_wb", []>;
668 def LDRB_PRE : AI2ldbpr<(outs GPR:$dst, GPR:$base_wb),
669 (ins addrmode2:$addr), LdFrm,
670 "ldr", "b $dst, $addr!", "$addr.base = $base_wb", []>;
672 def LDRB_POST : AI2ldbpo<(outs GPR:$dst, GPR:$base_wb),
673 (ins GPR:$base,am2offset:$offset), LdFrm,
674 "ldr", "b $dst, [$base], $offset", "$base = $base_wb", []>;
676 def LDRSH_PRE : AI3ldshpr<(outs GPR:$dst, GPR:$base_wb),
677 (ins addrmode3:$addr), LdMiscFrm,
678 "ldr", "sh $dst, $addr!", "$addr.base = $base_wb", []>;
680 def LDRSH_POST: AI3ldshpo<(outs GPR:$dst, GPR:$base_wb),
681 (ins GPR:$base,am3offset:$offset), LdMiscFrm,
682 "ldr", "sh $dst, [$base], $offset", "$base = $base_wb", []>;
684 def LDRSB_PRE : AI3ldsbpr<(outs GPR:$dst, GPR:$base_wb),
685 (ins addrmode3:$addr), LdMiscFrm,
686 "ldr", "sb $dst, $addr!", "$addr.base = $base_wb", []>;
688 def LDRSB_POST: AI3ldsbpo<(outs GPR:$dst, GPR:$base_wb),
689 (ins GPR:$base,am3offset:$offset), LdMiscFrm,
690 "ldr", "sb $dst, [$base], $offset", "$base = $base_wb", []>;
694 def STR : AI2stw<(outs), (ins GPR:$src, addrmode2:$addr), StFrm,
695 "str", " $src, $addr",
696 [(store GPR:$src, addrmode2:$addr)]>;
698 // Stores with truncate
699 def STRH : AI3sth<(outs), (ins GPR:$src, addrmode3:$addr), StMiscFrm,
700 "str", "h $src, $addr",
701 [(truncstorei16 GPR:$src, addrmode3:$addr)]>;
703 def STRB : AI2stb<(outs), (ins GPR:$src, addrmode2:$addr), StFrm,
704 "str", "b $src, $addr",
705 [(truncstorei8 GPR:$src, addrmode2:$addr)]>;
709 def STRD : AI3std<(outs), (ins GPR:$src, addrmode3:$addr), StMiscFrm,
710 "str", "d $src, $addr",
711 []>, Requires<[IsARM, HasV5T]>;
714 def STR_PRE : AI2stwpr<(outs GPR:$base_wb),
715 (ins GPR:$src, GPR:$base, am2offset:$offset), StFrm,
716 "str", " $src, [$base, $offset]!", "$base = $base_wb",
718 (pre_store GPR:$src, GPR:$base, am2offset:$offset))]>;
720 def STR_POST : AI2stwpo<(outs GPR:$base_wb),
721 (ins GPR:$src, GPR:$base,am2offset:$offset), StFrm,
722 "str", " $src, [$base], $offset", "$base = $base_wb",
724 (post_store GPR:$src, GPR:$base, am2offset:$offset))]>;
726 def STRH_PRE : AI3sthpr<(outs GPR:$base_wb),
727 (ins GPR:$src, GPR:$base,am3offset:$offset), StMiscFrm,
728 "str", "h $src, [$base, $offset]!", "$base = $base_wb",
730 (pre_truncsti16 GPR:$src, GPR:$base,am3offset:$offset))]>;
732 def STRH_POST: AI3sthpo<(outs GPR:$base_wb),
733 (ins GPR:$src, GPR:$base,am3offset:$offset), StMiscFrm,
734 "str", "h $src, [$base], $offset", "$base = $base_wb",
735 [(set GPR:$base_wb, (post_truncsti16 GPR:$src,
736 GPR:$base, am3offset:$offset))]>;
738 def STRB_PRE : AI2stbpr<(outs GPR:$base_wb),
739 (ins GPR:$src, GPR:$base,am2offset:$offset), StFrm,
740 "str", "b $src, [$base, $offset]!", "$base = $base_wb",
741 [(set GPR:$base_wb, (pre_truncsti8 GPR:$src,
742 GPR:$base, am2offset:$offset))]>;
744 def STRB_POST: AI2stbpo<(outs GPR:$base_wb),
745 (ins GPR:$src, GPR:$base,am2offset:$offset), StFrm,
746 "str", "b $src, [$base], $offset", "$base = $base_wb",
747 [(set GPR:$base_wb, (post_truncsti8 GPR:$src,
748 GPR:$base, am2offset:$offset))]>;
750 //===----------------------------------------------------------------------===//
751 // Load / store multiple Instructions.
754 // FIXME: $dst1 should be a def.
756 def LDM : AXI4ld<(outs),
757 (ins addrmode4:$addr, pred:$p, reglist:$dst1, variable_ops),
758 LdStMulFrm, "ldm${p}${addr:submode} $addr, $dst1",
762 def STM : AXI4st<(outs),
763 (ins addrmode4:$addr, pred:$p, reglist:$src1, variable_ops),
764 LdStMulFrm, "stm${p}${addr:submode} $addr, $src1",
767 //===----------------------------------------------------------------------===//
768 // Move Instructions.
771 def MOVr : AsI1<0b1101, (outs GPR:$dst), (ins GPR:$src), DPFrm,
772 "mov", " $dst, $src", []>, UnaryDP;
773 def MOVs : AsI1<0b1101, (outs GPR:$dst), (ins so_reg:$src), DPSoRegFrm,
774 "mov", " $dst, $src", [(set GPR:$dst, so_reg:$src)]>, UnaryDP;
776 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
777 def MOVi : AsI1<0b1101, (outs GPR:$dst), (ins so_imm:$src), DPFrm,
778 "mov", " $dst, $src", [(set GPR:$dst, so_imm:$src)]>, UnaryDP;
780 def MOVrx : AsI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo,
781 "mov", " $dst, $src, rrx",
782 [(set GPR:$dst, (ARMrrx GPR:$src))]>, UnaryDP;
784 // These aren't really mov instructions, but we have to define them this way
785 // due to flag operands.
787 let Defs = [CPSR] in {
788 def MOVsrl_flag : AI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo,
789 "mov", "s $dst, $src, lsr #1",
790 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP;
791 def MOVsra_flag : AI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo,
792 "mov", "s $dst, $src, asr #1",
793 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP;
796 //===----------------------------------------------------------------------===//
797 // Extend Instructions.
802 defm SXTB : AI_unary_rrot<0b01101010,
803 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
804 defm SXTH : AI_unary_rrot<0b01101011,
805 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
807 defm SXTAB : AI_bin_rrot<0b01101010,
808 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
809 defm SXTAH : AI_bin_rrot<0b01101011,
810 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
812 // TODO: SXT(A){B|H}16
816 let AddedComplexity = 16 in {
817 defm UXTB : AI_unary_rrot<0b01101110,
818 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
819 defm UXTH : AI_unary_rrot<0b01101111,
820 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
821 defm UXTB16 : AI_unary_rrot<0b01101100,
822 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
824 def : ARMV6Pat<(and (shl GPR:$Src, 8), 0xFF00FF),
825 (UXTB16r_rot GPR:$Src, 24)>;
826 def : ARMV6Pat<(and (srl GPR:$Src, 8), 0xFF00FF),
827 (UXTB16r_rot GPR:$Src, 8)>;
829 defm UXTAB : AI_bin_rrot<0b01101110, "uxtab",
830 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
831 defm UXTAH : AI_bin_rrot<0b01101111, "uxtah",
832 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
835 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
836 //defm UXTAB16 : xxx<"uxtab16", 0xff00ff>;
838 // TODO: UXT(A){B|H}16
840 //===----------------------------------------------------------------------===//
841 // Arithmetic Instructions.
844 defm ADD : AsI1_bin_irs<0b0100, "add",
845 BinOpFrag<(add node:$LHS, node:$RHS)>>;
846 defm SUB : AsI1_bin_irs<0b0010, "sub",
847 BinOpFrag<(sub node:$LHS, node:$RHS)>>;
849 // ADD and SUB with 's' bit set.
850 defm ADDS : ASI1_bin_s_irs<0b0100, "add",
851 BinOpFrag<(addc node:$LHS, node:$RHS)>>;
852 defm SUBS : ASI1_bin_s_irs<0b0010, "sub",
853 BinOpFrag<(subc node:$LHS, node:$RHS)>>;
855 // FIXME: Do not allow ADC / SBC to be predicated for now.
856 defm ADC : AsXI1_bin_c_irs<0b0101, "adc",
857 BinOpFrag<(adde node:$LHS, node:$RHS)>>;
858 defm SBC : AsXI1_bin_c_irs<0b0110, "sbc",
859 BinOpFrag<(sube node:$LHS, node:$RHS)>>;
861 // These don't define reg/reg forms, because they are handled above.
862 def RSBri : AsI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
863 "rsb", " $dst, $a, $b",
864 [(set GPR:$dst, (sub so_imm:$b, GPR:$a))]>;
866 def RSBrs : AsI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
867 "rsb", " $dst, $a, $b",
868 [(set GPR:$dst, (sub so_reg:$b, GPR:$a))]>;
870 // RSB with 's' bit set.
871 let Defs = [CPSR] in {
872 def RSBSri : AI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
873 "rsb", "s $dst, $a, $b",
874 [(set GPR:$dst, (subc so_imm:$b, GPR:$a))]>;
875 def RSBSrs : AI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
876 "rsb", "s $dst, $a, $b",
877 [(set GPR:$dst, (subc so_reg:$b, GPR:$a))]>;
880 // FIXME: Do not allow RSC to be predicated for now. But they can set CPSR.
881 let Uses = [CPSR] in {
882 def RSCri : AXI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_imm:$b, cc_out:$s),
883 DPFrm, "rsc${s} $dst, $a, $b",
884 [(set GPR:$dst, (sube so_imm:$b, GPR:$a))]>;
885 def RSCrs : AXI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_reg:$b, cc_out:$s),
886 DPSoRegFrm, "rsc${s} $dst, $a, $b",
887 [(set GPR:$dst, (sube so_reg:$b, GPR:$a))]>;
890 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
891 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
892 (SUBri GPR:$src, so_imm_neg:$imm)>;
894 //def : ARMPat<(addc GPR:$src, so_imm_neg:$imm),
895 // (SUBSri GPR:$src, so_imm_neg:$imm)>;
896 //def : ARMPat<(adde GPR:$src, so_imm_neg:$imm),
897 // (SBCri GPR:$src, so_imm_neg:$imm)>;
899 // Note: These are implemented in C++ code, because they have to generate
900 // ADD/SUBrs instructions, which use a complex pattern that a xform function
902 // (mul X, 2^n+1) -> (add (X << n), X)
903 // (mul X, 2^n-1) -> (rsb X, (X << n))
906 //===----------------------------------------------------------------------===//
907 // Bitwise Instructions.
910 defm AND : AsI1_bin_irs<0b0000, "and",
911 BinOpFrag<(and node:$LHS, node:$RHS)>>;
912 defm ORR : AsI1_bin_irs<0b1100, "orr",
913 BinOpFrag<(or node:$LHS, node:$RHS)>>;
914 defm EOR : AsI1_bin_irs<0b0001, "eor",
915 BinOpFrag<(xor node:$LHS, node:$RHS)>>;
916 defm BIC : AsI1_bin_irs<0b1110, "bic",
917 BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
919 def MVNr : AsI1<0b1111, (outs GPR:$dst), (ins GPR:$src), DPFrm,
920 "mvn", " $dst, $src",
921 [(set GPR:$dst, (not GPR:$src))]>, UnaryDP;
922 def MVNs : AsI1<0b1111, (outs GPR:$dst), (ins so_reg:$src), DPSoRegFrm,
923 "mvn", " $dst, $src",
924 [(set GPR:$dst, (not so_reg:$src))]>, UnaryDP;
925 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
926 def MVNi : AsI1<0b1111, (outs GPR:$dst), (ins so_imm:$imm), DPFrm,
927 "mvn", " $dst, $imm",
928 [(set GPR:$dst, so_imm_not:$imm)]>,UnaryDP;
930 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
931 (BICri GPR:$src, so_imm_not:$imm)>;
933 //===----------------------------------------------------------------------===//
934 // Multiply Instructions.
937 def MUL : AsMul1I<0b0000000, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
938 "mul", " $dst, $a, $b",
939 [(set GPR:$dst, (mul GPR:$a, GPR:$b))]>;
941 def MLA : AsMul1I<0b0000001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
942 "mla", " $dst, $a, $b, $c",
943 [(set GPR:$dst, (add (mul GPR:$a, GPR:$b), GPR:$c))]>;
945 // Extra precision multiplies with low / high results
946 def SMULL : AsMul1I<0b0000110, (outs GPR:$ldst, GPR:$hdst),
947 (ins GPR:$a, GPR:$b),
948 "smull", " $ldst, $hdst, $a, $b", []>;
950 def UMULL : AsMul1I<0b0000100, (outs GPR:$ldst, GPR:$hdst),
951 (ins GPR:$a, GPR:$b),
952 "umull", " $ldst, $hdst, $a, $b", []>;
954 // Multiply + accumulate
955 def SMLAL : AsMul1I<0b0000111, (outs GPR:$ldst, GPR:$hdst),
956 (ins GPR:$a, GPR:$b),
957 "smlal", " $ldst, $hdst, $a, $b", []>;
959 def UMLAL : AsMul1I<0b0000101, (outs GPR:$ldst, GPR:$hdst),
960 (ins GPR:$a, GPR:$b),
961 "umlal", " $ldst, $hdst, $a, $b", []>;
963 def UMAAL : AMul1I <0b0000010, (outs GPR:$ldst, GPR:$hdst),
964 (ins GPR:$a, GPR:$b),
965 "umaal", " $ldst, $hdst, $a, $b", []>,
966 Requires<[IsARM, HasV6]>;
968 // Most significant word multiply
969 def SMMUL : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
970 "smmul", " $dst, $a, $b",
971 [(set GPR:$dst, (mulhs GPR:$a, GPR:$b))]>,
972 Requires<[IsARM, HasV6]> {
973 let Inst{7-4} = 0b0001;
974 let Inst{15-12} = 0b1111;
977 def SMMLA : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
978 "smmla", " $dst, $a, $b, $c",
979 [(set GPR:$dst, (add (mulhs GPR:$a, GPR:$b), GPR:$c))]>,
980 Requires<[IsARM, HasV6]> {
981 let Inst{7-4} = 0b0001;
985 def SMMLS : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
986 "smmls", " $dst, $a, $b, $c",
987 [(set GPR:$dst, (sub GPR:$c, (mulhs GPR:$a, GPR:$b)))]>,
988 Requires<[IsARM, HasV6]> {
989 let Inst{7-4} = 0b1101;
992 multiclass AI_smul<string opc, PatFrag opnode> {
993 def BB : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
994 !strconcat(opc, "bb"), " $dst, $a, $b",
995 [(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16),
996 (sext_inreg GPR:$b, i16)))]>,
997 Requires<[IsARM, HasV5TE]> {
1002 def BT : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1003 !strconcat(opc, "bt"), " $dst, $a, $b",
1004 [(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16),
1005 (sra GPR:$b, 16)))]>,
1006 Requires<[IsARM, HasV5TE]> {
1011 def TB : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1012 !strconcat(opc, "tb"), " $dst, $a, $b",
1013 [(set GPR:$dst, (opnode (sra GPR:$a, 16),
1014 (sext_inreg GPR:$b, i16)))]>,
1015 Requires<[IsARM, HasV5TE]> {
1020 def TT : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1021 !strconcat(opc, "tt"), " $dst, $a, $b",
1022 [(set GPR:$dst, (opnode (sra GPR:$a, 16),
1023 (sra GPR:$b, 16)))]>,
1024 Requires<[IsARM, HasV5TE]> {
1029 def WB : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1030 !strconcat(opc, "wb"), " $dst, $a, $b",
1031 [(set GPR:$dst, (sra (opnode GPR:$a,
1032 (sext_inreg GPR:$b, i16)), 16))]>,
1033 Requires<[IsARM, HasV5TE]> {
1038 def WT : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1039 !strconcat(opc, "wt"), " $dst, $a, $b",
1040 [(set GPR:$dst, (sra (opnode GPR:$a,
1041 (sra GPR:$b, 16)), 16))]>,
1042 Requires<[IsARM, HasV5TE]> {
1049 multiclass AI_smla<string opc, PatFrag opnode> {
1050 def BB : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1051 !strconcat(opc, "bb"), " $dst, $a, $b, $acc",
1052 [(set GPR:$dst, (add GPR:$acc,
1053 (opnode (sext_inreg GPR:$a, i16),
1054 (sext_inreg GPR:$b, i16))))]>,
1055 Requires<[IsARM, HasV5TE]> {
1060 def BT : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1061 !strconcat(opc, "bt"), " $dst, $a, $b, $acc",
1062 [(set GPR:$dst, (add GPR:$acc, (opnode (sext_inreg GPR:$a, i16),
1063 (sra GPR:$b, 16))))]>,
1064 Requires<[IsARM, HasV5TE]> {
1069 def TB : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1070 !strconcat(opc, "tb"), " $dst, $a, $b, $acc",
1071 [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, 16),
1072 (sext_inreg GPR:$b, i16))))]>,
1073 Requires<[IsARM, HasV5TE]> {
1078 def TT : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1079 !strconcat(opc, "tt"), " $dst, $a, $b, $acc",
1080 [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, 16),
1081 (sra GPR:$b, 16))))]>,
1082 Requires<[IsARM, HasV5TE]> {
1087 def WB : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1088 !strconcat(opc, "wb"), " $dst, $a, $b, $acc",
1089 [(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a,
1090 (sext_inreg GPR:$b, i16)), 16)))]>,
1091 Requires<[IsARM, HasV5TE]> {
1096 def WT : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1097 !strconcat(opc, "wt"), " $dst, $a, $b, $acc",
1098 [(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a,
1099 (sra GPR:$b, 16)), 16)))]>,
1100 Requires<[IsARM, HasV5TE]> {
1106 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
1107 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
1109 // TODO: Halfword multiple accumulate long: SMLAL<x><y>
1110 // TODO: Dual halfword multiple: SMUAD, SMUSD, SMLAD, SMLSD, SMLALD, SMLSLD
1112 //===----------------------------------------------------------------------===//
1113 // Misc. Arithmetic Instructions.
1116 def CLZ : AMiscA1I<0b000010110, (outs GPR:$dst), (ins GPR:$src),
1117 "clz", " $dst, $src",
1118 [(set GPR:$dst, (ctlz GPR:$src))]>, Requires<[IsARM, HasV5T]> {
1119 let Inst{7-4} = 0b0001;
1120 let Inst{11-8} = 0b1111;
1121 let Inst{19-16} = 0b1111;
1124 def REV : AMiscA1I<0b01101011, (outs GPR:$dst), (ins GPR:$src),
1125 "rev", " $dst, $src",
1126 [(set GPR:$dst, (bswap GPR:$src))]>, Requires<[IsARM, HasV6]> {
1127 let Inst{7-4} = 0b0011;
1128 let Inst{11-8} = 0b1111;
1129 let Inst{19-16} = 0b1111;
1132 def REV16 : AMiscA1I<0b01101011, (outs GPR:$dst), (ins GPR:$src),
1133 "rev16", " $dst, $src",
1135 (or (and (srl GPR:$src, 8), 0xFF),
1136 (or (and (shl GPR:$src, 8), 0xFF00),
1137 (or (and (srl GPR:$src, 8), 0xFF0000),
1138 (and (shl GPR:$src, 8), 0xFF000000)))))]>,
1139 Requires<[IsARM, HasV6]> {
1140 let Inst{7-4} = 0b1011;
1141 let Inst{11-8} = 0b1111;
1142 let Inst{19-16} = 0b1111;
1145 def REVSH : AMiscA1I<0b01101111, (outs GPR:$dst), (ins GPR:$src),
1146 "revsh", " $dst, $src",
1149 (or (srl (and GPR:$src, 0xFF00), 8),
1150 (shl GPR:$src, 8)), i16))]>,
1151 Requires<[IsARM, HasV6]> {
1152 let Inst{7-4} = 0b1011;
1153 let Inst{11-8} = 0b1111;
1154 let Inst{19-16} = 0b1111;
1157 def PKHBT : AMiscA1I<0b01101000, (outs GPR:$dst),
1158 (ins GPR:$src1, GPR:$src2, i32imm:$shamt),
1159 "pkhbt", " $dst, $src1, $src2, LSL $shamt",
1160 [(set GPR:$dst, (or (and GPR:$src1, 0xFFFF),
1161 (and (shl GPR:$src2, (i32 imm:$shamt)),
1163 Requires<[IsARM, HasV6]> {
1164 let Inst{6-4} = 0b001;
1167 // Alternate cases for PKHBT where identities eliminate some nodes.
1168 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF), (and GPR:$src2, 0xFFFF0000)),
1169 (PKHBT GPR:$src1, GPR:$src2, 0)>;
1170 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF), (shl GPR:$src2, imm16_31:$shamt)),
1171 (PKHBT GPR:$src1, GPR:$src2, imm16_31:$shamt)>;
1174 def PKHTB : AMiscA1I<0b01101000, (outs GPR:$dst),
1175 (ins GPR:$src1, GPR:$src2, i32imm:$shamt),
1176 "pkhtb", " $dst, $src1, $src2, ASR $shamt",
1177 [(set GPR:$dst, (or (and GPR:$src1, 0xFFFF0000),
1178 (and (sra GPR:$src2, imm16_31:$shamt),
1179 0xFFFF)))]>, Requires<[IsARM, HasV6]> {
1180 let Inst{6-4} = 0b101;
1183 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
1184 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
1185 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000), (srl GPR:$src2, 16)),
1186 (PKHTB GPR:$src1, GPR:$src2, 16)>;
1187 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000),
1188 (and (srl GPR:$src2, imm1_15:$shamt), 0xFFFF)),
1189 (PKHTB GPR:$src1, GPR:$src2, imm1_15:$shamt)>;
1191 //===----------------------------------------------------------------------===//
1192 // Comparison Instructions...
1195 defm CMP : AI1_cmp_irs<0b1010, "cmp",
1196 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
1197 defm CMN : AI1_cmp_irs<0b1011, "cmn",
1198 BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
1200 // Note that TST/TEQ don't set all the same flags that CMP does!
1201 defm TST : AI1_cmp_irs<0b1000, "tst",
1202 BinOpFrag<(ARMcmpNZ (and node:$LHS, node:$RHS), 0)>>;
1203 defm TEQ : AI1_cmp_irs<0b1001, "teq",
1204 BinOpFrag<(ARMcmpNZ (xor node:$LHS, node:$RHS), 0)>>;
1206 defm CMPnz : AI1_cmp_irs<0b1010, "cmp",
1207 BinOpFrag<(ARMcmpNZ node:$LHS, node:$RHS)>>;
1208 defm CMNnz : AI1_cmp_irs<0b1011, "cmn",
1209 BinOpFrag<(ARMcmpNZ node:$LHS,(ineg node:$RHS))>>;
1211 def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
1212 (CMNri GPR:$src, so_imm_neg:$imm)>;
1214 def : ARMPat<(ARMcmpNZ GPR:$src, so_imm_neg:$imm),
1215 (CMNri GPR:$src, so_imm_neg:$imm)>;
1218 // Conditional moves
1219 // FIXME: should be able to write a pattern for ARMcmov, but can't use
1220 // a two-value operand where a dag node expects two operands. :(
1221 def MOVCCr : AI1<0b1101, (outs GPR:$dst), (ins GPR:$false, GPR:$true), DPFrm,
1222 "mov", " $dst, $true",
1223 [/*(set GPR:$dst, (ARMcmov GPR:$false, GPR:$true, imm:$cc, CCR:$ccr))*/]>,
1224 RegConstraint<"$false = $dst">, UnaryDP;
1226 def MOVCCs : AI1<0b1101, (outs GPR:$dst),
1227 (ins GPR:$false, so_reg:$true), DPSoRegFrm,
1228 "mov", " $dst, $true",
1229 [/*(set GPR:$dst, (ARMcmov GPR:$false, so_reg:$true, imm:$cc, CCR:$ccr))*/]>,
1230 RegConstraint<"$false = $dst">, UnaryDP;
1232 def MOVCCi : AI1<0b1101, (outs GPR:$dst),
1233 (ins GPR:$false, so_imm:$true), DPFrm,
1234 "mov", " $dst, $true",
1235 [/*(set GPR:$dst, (ARMcmov GPR:$false, so_imm:$true, imm:$cc, CCR:$ccr))*/]>,
1236 RegConstraint<"$false = $dst">, UnaryDP;
1239 // LEApcrel - Load a pc-relative address into a register without offending the
1241 def LEApcrel : AXI1<0x0, (outs GPR:$dst), (ins i32imm:$label, pred:$p), Pseudo,
1242 !strconcat(!strconcat(".set PCRELV${:uid}, ($label-(",
1243 "${:private}PCRELL${:uid}+8))\n"),
1244 !strconcat("${:private}PCRELL${:uid}:\n\t",
1245 "add$p $dst, pc, #PCRELV${:uid}")),
1248 def LEApcrelJT : AXI1<0x0, (outs GPR:$dst), (ins i32imm:$label, i32imm:$id, pred:$p),
1250 !strconcat(!strconcat(".set PCRELV${:uid}, (${label}_${id:no_hash}-(",
1251 "${:private}PCRELL${:uid}+8))\n"),
1252 !strconcat("${:private}PCRELL${:uid}:\n\t",
1253 "add$p $dst, pc, #PCRELV${:uid}")),
1256 //===----------------------------------------------------------------------===//
1260 // __aeabi_read_tp preserves the registers r1-r3.
1262 Defs = [R0, R12, LR, CPSR] in {
1263 def TPsoft : ABXI<0b1011, (outs), (ins),
1264 "bl __aeabi_read_tp",
1265 [(set R0, ARMthread_pointer)]>;
1268 //===----------------------------------------------------------------------===//
1269 // Non-Instruction Patterns
1272 // ConstantPool, GlobalAddress, and JumpTable
1273 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>;
1274 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
1275 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
1276 (LEApcrelJT tjumptable:$dst, imm:$id)>;
1278 // Large immediate handling.
1280 // Two piece so_imms.
1281 let isReMaterializable = 1 in
1282 def MOVi2pieces : AI1x2<(outs GPR:$dst), (ins so_imm2part:$src), Pseudo,
1283 "mov", " $dst, $src",
1284 [(set GPR:$dst, so_imm2part:$src)]>;
1286 def : ARMPat<(or GPR:$LHS, so_imm2part:$RHS),
1287 (ORRri (ORRri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
1288 (so_imm2part_2 imm:$RHS))>;
1289 def : ARMPat<(xor GPR:$LHS, so_imm2part:$RHS),
1290 (EORri (EORri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
1291 (so_imm2part_2 imm:$RHS))>;
1293 // TODO: add,sub,and, 3-instr forms?
1297 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>;
1299 // zextload i1 -> zextload i8
1300 def : ARMPat<(zextloadi1 addrmode2:$addr), (LDRB addrmode2:$addr)>;
1302 // extload -> zextload
1303 def : ARMPat<(extloadi1 addrmode2:$addr), (LDRB addrmode2:$addr)>;
1304 def : ARMPat<(extloadi8 addrmode2:$addr), (LDRB addrmode2:$addr)>;
1305 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
1307 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
1308 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
1311 def : ARMV5TEPat<(mul (sra (shl GPR:$a, 16), 16), (sra (shl GPR:$b, 16), 16)),
1312 (SMULBB GPR:$a, GPR:$b)>;
1313 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
1314 (SMULBB GPR:$a, GPR:$b)>;
1315 def : ARMV5TEPat<(mul (sra (shl GPR:$a, 16), 16), (sra GPR:$b, 16)),
1316 (SMULBT GPR:$a, GPR:$b)>;
1317 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, 16)),
1318 (SMULBT GPR:$a, GPR:$b)>;
1319 def : ARMV5TEPat<(mul (sra GPR:$a, 16), (sra (shl GPR:$b, 16), 16)),
1320 (SMULTB GPR:$a, GPR:$b)>;
1321 def : ARMV5TEPat<(mul (sra GPR:$a, 16), sext_16_node:$b),
1322 (SMULTB GPR:$a, GPR:$b)>;
1323 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, 16), 16)), 16),
1324 (SMULWB GPR:$a, GPR:$b)>;
1325 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), 16),
1326 (SMULWB GPR:$a, GPR:$b)>;
1328 def : ARMV5TEPat<(add GPR:$acc,
1329 (mul (sra (shl GPR:$a, 16), 16),
1330 (sra (shl GPR:$b, 16), 16))),
1331 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
1332 def : ARMV5TEPat<(add GPR:$acc,
1333 (mul sext_16_node:$a, sext_16_node:$b)),
1334 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
1335 def : ARMV5TEPat<(add GPR:$acc,
1336 (mul (sra (shl GPR:$a, 16), 16), (sra GPR:$b, 16))),
1337 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
1338 def : ARMV5TEPat<(add GPR:$acc,
1339 (mul sext_16_node:$a, (sra GPR:$b, 16))),
1340 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
1341 def : ARMV5TEPat<(add GPR:$acc,
1342 (mul (sra GPR:$a, 16), (sra (shl GPR:$b, 16), 16))),
1343 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
1344 def : ARMV5TEPat<(add GPR:$acc,
1345 (mul (sra GPR:$a, 16), sext_16_node:$b)),
1346 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
1347 def : ARMV5TEPat<(add GPR:$acc,
1348 (sra (mul GPR:$a, (sra (shl GPR:$b, 16), 16)), 16)),
1349 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
1350 def : ARMV5TEPat<(add GPR:$acc,
1351 (sra (mul GPR:$a, sext_16_node:$b), 16)),
1352 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
1354 //===----------------------------------------------------------------------===//
1358 include "ARMInstrThumb.td"
1360 //===----------------------------------------------------------------------===//
1361 // Floating Point Support
1364 include "ARMInstrVFP.td"