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 AddrMode6 : AddrMode<6>;
314 def AddrModeT1 : AddrMode<7>;
315 def AddrModeT2 : AddrMode<8>;
316 def AddrModeT4 : AddrMode<9>;
317 def AddrModeTs : AddrMode<10>;
320 class SizeFlagVal<bits<3> val> {
323 def SizeInvalid : SizeFlagVal<0>; // Unset.
324 def SizeSpecial : SizeFlagVal<1>; // Pseudo or special.
325 def Size8Bytes : SizeFlagVal<2>;
326 def Size4Bytes : SizeFlagVal<3>;
327 def Size2Bytes : SizeFlagVal<4>;
329 // Load / store index mode.
330 class IndexMode<bits<2> val> {
333 def IndexModeNone : IndexMode<0>;
334 def IndexModePre : IndexMode<1>;
335 def IndexModePost : IndexMode<2>;
337 //===----------------------------------------------------------------------===//
339 include "ARMInstrFormats.td"
341 //===----------------------------------------------------------------------===//
342 // Multiclass helpers...
345 /// AsI1_bin_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns for a
346 /// binop that produces a value.
347 multiclass AsI1_bin_irs<bits<4> opcod, string opc, PatFrag opnode> {
348 def ri : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPRIm,
349 opc, " $dst, $a, $b",
350 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]>;
351 def rr : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPRReg,
352 opc, " $dst, $a, $b",
353 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]>;
354 def rs : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPRSoReg,
355 opc, " $dst, $a, $b",
356 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]>;
359 /// ASI1_bin_s_irs - Similar to AsI1_bin_irs except it sets the 's' bit so the
360 /// instruction modifies the CSPR register.
361 let Defs = [CPSR] in {
362 multiclass ASI1_bin_s_irs<bits<4> opcod, string opc, PatFrag opnode> {
363 def ri : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPRImS,
364 opc, "s $dst, $a, $b",
365 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]>;
366 def rr : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPRRegS,
367 opc, "s $dst, $a, $b",
368 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]>;
369 def rs : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPRSoRegS,
370 opc, "s $dst, $a, $b",
371 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]>;
375 /// AI1_cmp_irs - Defines a set of (op r, {so_imm|r|so_reg}) cmp / test
376 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
377 /// a explicit result, only implicitly set CPSR.
378 let Defs = [CPSR] in {
379 multiclass AI1_cmp_irs<bits<4> opcod, string opc, PatFrag opnode> {
380 def ri : AI1<opcod, (outs), (ins GPR:$a, so_imm:$b), DPRnIm,
382 [(opnode GPR:$a, so_imm:$b)]>;
383 def rr : AI1<opcod, (outs), (ins GPR:$a, GPR:$b), DPRnReg,
385 [(opnode GPR:$a, GPR:$b)]>;
386 def rs : AI1<opcod, (outs), (ins GPR:$a, so_reg:$b), DPRnSoReg,
388 [(opnode GPR:$a, so_reg:$b)]>;
392 /// AI_unary_rrot - A unary operation with two forms: one whose operand is a
393 /// register and one whose operand is a register rotated by 8/16/24.
394 multiclass AI_unary_rrot<bits<4> opcod, string opc, PatFrag opnode> {
395 def r : AI<opcod, (outs GPR:$dst), (ins GPR:$Src), Pseudo,
397 [(set GPR:$dst, (opnode GPR:$Src))]>, Requires<[IsARM, HasV6]>;
398 def r_rot : AI<opcod, (outs GPR:$dst), (ins GPR:$Src, i32imm:$rot), Pseudo,
399 opc, " $dst, $Src, ror $rot",
400 [(set GPR:$dst, (opnode (rotr GPR:$Src, rot_imm:$rot)))]>,
401 Requires<[IsARM, HasV6]>;
404 /// AI_bin_rrot - A binary operation with two forms: one whose operand is a
405 /// register and one whose operand is a register rotated by 8/16/24.
406 multiclass AI_bin_rrot<bits<4> opcod, string opc, PatFrag opnode> {
407 def rr : AI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS),
408 Pseudo, opc, " $dst, $LHS, $RHS",
409 [(set GPR:$dst, (opnode GPR:$LHS, GPR:$RHS))]>,
410 Requires<[IsARM, HasV6]>;
411 def rr_rot : AI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS, i32imm:$rot),
412 Pseudo, opc, " $dst, $LHS, $RHS, ror $rot",
413 [(set GPR:$dst, (opnode GPR:$LHS,
414 (rotr GPR:$RHS, rot_imm:$rot)))]>,
415 Requires<[IsARM, HasV6]>;
418 /// AsXI1_bin_c_irs - Same as AsI1_bin_irs but without the predicate operand and
419 /// setting carry bit. But it can optionally set CPSR.
420 let Uses = [CPSR] in {
421 multiclass AsXI1_bin_c_irs<bits<4> opcod, string opc, PatFrag opnode> {
422 def ri : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b, cc_out:$s),
423 DPRIm, !strconcat(opc, "${s} $dst, $a, $b"),
424 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]>;
425 def rr : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b, cc_out:$s),
426 DPRReg, !strconcat(opc, "${s} $dst, $a, $b"),
427 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]>;
428 def rs : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b, cc_out:$s),
429 DPRSoReg, !strconcat(opc, "${s} $dst, $a, $b"),
430 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]>;
434 //===----------------------------------------------------------------------===//
436 //===----------------------------------------------------------------------===//
438 //===----------------------------------------------------------------------===//
439 // Miscellaneous Instructions.
442 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
443 /// the function. The first operand is the ID# for this instruction, the second
444 /// is the index into the MachineConstantPool that this is, the third is the
445 /// size in bytes of this constant pool entry.
446 let isNotDuplicable = 1 in
447 def CONSTPOOL_ENTRY :
448 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
450 "${instid:label} ${cpidx:cpentry}", []>;
452 let Defs = [SP], Uses = [SP] in {
454 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p),
455 "@ ADJCALLSTACKUP $amt1",
456 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
458 def ADJCALLSTACKDOWN :
459 PseudoInst<(outs), (ins i32imm:$amt, pred:$p),
460 "@ ADJCALLSTACKDOWN $amt",
461 [(ARMcallseq_start timm:$amt)]>;
465 PseudoInst<(outs), (ins i32imm:$line, i32imm:$col, i32imm:$file),
466 ".loc $file, $line, $col",
467 [(dwarf_loc (i32 imm:$line), (i32 imm:$col), (i32 imm:$file))]>;
469 let isNotDuplicable = 1 in {
470 def PICADD : AXI1<0b0100, (outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
471 Pseudo, "$cp:\n\tadd$p $dst, pc, $a",
472 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
474 let AddedComplexity = 10 in {
475 let isSimpleLoad = 1 in
476 def PICLD : AXI2ldw<0x0, (outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
477 Pseudo, "${addr:label}:\n\tldr$p $dst, $addr",
478 [(set GPR:$dst, (load addrmodepc:$addr))]>;
480 def PICLDZH : AXI3ldh<0x0, (outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
481 Pseudo, "${addr:label}:\n\tldr${p}h $dst, $addr",
482 [(set GPR:$dst, (zextloadi16 addrmodepc:$addr))]>;
484 def PICLDZB : AXI2ldb<0x0, (outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
485 Pseudo, "${addr:label}:\n\tldr${p}b $dst, $addr",
486 [(set GPR:$dst, (zextloadi8 addrmodepc:$addr))]>;
488 def PICLDH : AXI3ldh<0x0, (outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
489 Pseudo, "${addr:label}:\n\tldr${p}h $dst, $addr",
490 [(set GPR:$dst, (extloadi16 addrmodepc:$addr))]>;
492 def PICLDB : AXI2ldb<0x0, (outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
493 Pseudo, "${addr:label}:\n\tldr${p}b $dst, $addr",
494 [(set GPR:$dst, (extloadi8 addrmodepc:$addr))]>;
496 def PICLDSH : AXI3ldsh<0x0, (outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
497 Pseudo, "${addr:label}:\n\tldr${p}sh $dst, $addr",
498 [(set GPR:$dst, (sextloadi16 addrmodepc:$addr))]>;
500 def PICLDSB : AXI3ldsb<0x0, (outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
501 Pseudo, "${addr:label}:\n\tldr${p}sb $dst, $addr",
502 [(set GPR:$dst, (sextloadi8 addrmodepc:$addr))]>;
504 let AddedComplexity = 10 in {
505 def PICSTR : AXI2stw<0x0, (outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
506 Pseudo, "${addr:label}:\n\tstr$p $src, $addr",
507 [(store GPR:$src, addrmodepc:$addr)]>;
509 def PICSTRH : AXI3sth<0x0, (outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
510 Pseudo, "${addr:label}:\n\tstr${p}h $src, $addr",
511 [(truncstorei16 GPR:$src, addrmodepc:$addr)]>;
513 def PICSTRB : AXI2stb<0x0, (outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
514 Pseudo, "${addr:label}:\n\tstr${p}b $src, $addr",
515 [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
519 //===----------------------------------------------------------------------===//
520 // Control Flow Instructions.
523 let isReturn = 1, isTerminator = 1 in
524 def BX_RET : AI<0x0, (outs), (ins), BranchMisc, "bx", " lr", [(ARMretflag)]> {
525 let Inst{7-4} = 0b0001;
526 let Inst{19-8} = 0b111111111111;
527 let Inst{27-20} = 0b00010010;
530 // FIXME: remove when we have a way to marking a MI with these properties.
531 // FIXME: $dst1 should be a def. But the extra ops must be in the end of the
533 let isReturn = 1, isTerminator = 1 in
534 def LDM_RET : AXI4ldpc<0x0, (outs),
535 (ins addrmode4:$addr, pred:$p, reglist:$dst1, variable_ops),
536 LdFrm, "ldm${p}${addr:submode} $addr, $dst1",
540 Defs = [R0, R1, R2, R3, R12, LR,
541 D0, D1, D2, D3, D4, D5, D6, D7, CPSR] in {
542 def BL : ABLI<0xB, (outs), (ins i32imm:$func, variable_ops), Branch,
544 [(ARMcall tglobaladdr:$func)]>;
546 def BL_pred : ABLpredI<0xB, (outs), (ins i32imm:$func, variable_ops), Branch,
547 "bl", " ${func:call}",
548 [(ARMcall_pred tglobaladdr:$func)]>;
551 def BLX : AXI<0x0, (outs), (ins GPR:$func, variable_ops), BranchMisc,
553 [(ARMcall GPR:$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 : AXIx2<0x0, (outs), (ins GPR:$func, variable_ops),
562 BranchMisc, "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 : ABI<0xA, (outs), (ins brtarget:$target), Branch, "b $target",
574 let isNotDuplicable = 1, isIndirectBranch = 1 in {
575 def BR_JTr : JTI<0b1101, (outs), (ins GPR:$target, jtblock_operand:$jt, i32imm:$id),
576 "mov pc, $target \n$jt",
577 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]>;
578 def BR_JTm : JTI2<0x0, (outs), (ins addrmode2:$target, jtblock_operand:$jt, i32imm:$id),
579 "ldr pc, $target \n$jt",
580 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
582 def BR_JTadd : JTI1<0b0100, (outs), (ins GPR:$target, GPR:$idx, jtblock_operand:$jt,
584 "add pc, $target, $idx \n$jt",
585 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
590 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
591 // a two-value operand where a dag node expects two operands. :(
592 def Bcc : ABccI<0xA, (outs), (ins brtarget:$target), Branch,
594 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]>;
597 //===----------------------------------------------------------------------===//
598 // Load / store Instructions.
602 let isSimpleLoad = 1 in
603 def LDR : AI2ldw<0x0, (outs GPR:$dst), (ins addrmode2:$addr), LdFrm,
604 "ldr", " $dst, $addr",
605 [(set GPR:$dst, (load addrmode2:$addr))]>;
607 // Special LDR for loads from non-pc-relative constpools.
608 let isSimpleLoad = 1, mayLoad = 1, isReMaterializable = 1 in
609 def LDRcp : AI2ldw<0x0, (outs GPR:$dst), (ins addrmode2:$addr), LdFrm,
610 "ldr", " $dst, $addr", []>;
612 // Loads with zero extension
613 def LDRH : AI3ldh<0xB, (outs GPR:$dst), (ins addrmode3:$addr), LdFrm,
614 "ldr", "h $dst, $addr",
615 [(set GPR:$dst, (zextloadi16 addrmode3:$addr))]>;
617 def LDRB : AI2ldb<0x1, (outs GPR:$dst), (ins addrmode2:$addr), LdFrm,
618 "ldr", "b $dst, $addr",
619 [(set GPR:$dst, (zextloadi8 addrmode2:$addr))]>;
621 // Loads with sign extension
622 def LDRSH : AI3ldsh<0xE, (outs GPR:$dst), (ins addrmode3:$addr), LdFrm,
623 "ldr", "sh $dst, $addr",
624 [(set GPR:$dst, (sextloadi16 addrmode3:$addr))]>;
626 def LDRSB : AI3ldsb<0xD, (outs GPR:$dst), (ins addrmode3:$addr), LdFrm,
627 "ldr", "sb $dst, $addr",
628 [(set GPR:$dst, (sextloadi8 addrmode3:$addr))]>;
632 def LDRD : AI3ldd<0xD, (outs GPR:$dst), (ins addrmode3:$addr), LdFrm,
633 "ldr", "d $dst, $addr",
634 []>, Requires<[IsARM, HasV5T]>;
637 def LDR_PRE : AI2ldwpr<0x0, (outs GPR:$dst, GPR:$base_wb),
638 (ins addrmode2:$addr), LdFrm,
639 "ldr", " $dst, $addr!", "$addr.base = $base_wb", []>;
641 def LDR_POST : AI2ldwpo<0x0, (outs GPR:$dst, GPR:$base_wb),
642 (ins GPR:$base, am2offset:$offset), LdFrm,
643 "ldr", " $dst, [$base], $offset", "$base = $base_wb", []>;
645 def LDRH_PRE : AI3ldhpr<0xB, (outs GPR:$dst, GPR:$base_wb),
646 (ins addrmode3:$addr), LdFrm,
647 "ldr", "h $dst, $addr!", "$addr.base = $base_wb", []>;
649 def LDRH_POST : AI3ldhpo<0xB, (outs GPR:$dst, GPR:$base_wb),
650 (ins GPR:$base,am3offset:$offset), LdFrm,
651 "ldr", "h $dst, [$base], $offset", "$base = $base_wb", []>;
653 def LDRB_PRE : AI2ldbpr<0x1, (outs GPR:$dst, GPR:$base_wb),
654 (ins addrmode2:$addr), LdFrm,
655 "ldr", "b $dst, $addr!", "$addr.base = $base_wb", []>;
657 def LDRB_POST : AI2ldbpo<0x1, (outs GPR:$dst, GPR:$base_wb),
658 (ins GPR:$base,am2offset:$offset), LdFrm,
659 "ldr", "b $dst, [$base], $offset", "$base = $base_wb", []>;
661 def LDRSH_PRE : AI3ldshpr<0xE, (outs GPR:$dst, GPR:$base_wb),
662 (ins addrmode3:$addr), LdFrm,
663 "ldr", "sh $dst, $addr!", "$addr.base = $base_wb", []>;
665 def LDRSH_POST: AI3ldshpo<0xE, (outs GPR:$dst, GPR:$base_wb),
666 (ins GPR:$base,am3offset:$offset), LdFrm,
667 "ldr", "sh $dst, [$base], $offset", "$base = $base_wb", []>;
669 def LDRSB_PRE : AI3ldsbpr<0xD, (outs GPR:$dst, GPR:$base_wb),
670 (ins addrmode3:$addr), LdFrm,
671 "ldr", "sb $dst, $addr!", "$addr.base = $base_wb", []>;
673 def LDRSB_POST: AI3ldsbpo<0xD, (outs GPR:$dst, GPR:$base_wb),
674 (ins GPR:$base,am3offset:$offset), LdFrm,
675 "ldr", "sb $dst, [$base], $offset", "$base = $base_wb", []>;
679 def STR : AI2stw<0x0, (outs), (ins GPR:$src, addrmode2:$addr), StFrm,
680 "str", " $src, $addr",
681 [(store GPR:$src, addrmode2:$addr)]>;
683 // Stores with truncate
684 def STRH : AI3sth<0xB, (outs), (ins GPR:$src, addrmode3:$addr), StFrm,
685 "str", "h $src, $addr",
686 [(truncstorei16 GPR:$src, addrmode3:$addr)]>;
688 def STRB : AI2stb<0x1, (outs), (ins GPR:$src, addrmode2:$addr), StFrm,
689 "str", "b $src, $addr",
690 [(truncstorei8 GPR:$src, addrmode2:$addr)]>;
694 def STRD : AI3std<0xF, (outs), (ins GPR:$src, addrmode3:$addr), StFrm,
695 "str", "d $src, $addr",
696 []>, Requires<[IsARM, HasV5T]>;
699 def STR_PRE : AI2stwpr<0x0, (outs GPR:$base_wb),
700 (ins GPR:$src, GPR:$base, am2offset:$offset), StFrm,
701 "str", " $src, [$base, $offset]!", "$base = $base_wb",
703 (pre_store GPR:$src, GPR:$base, am2offset:$offset))]>;
705 def STR_POST : AI2stwpo<0x0, (outs GPR:$base_wb),
706 (ins GPR:$src, GPR:$base,am2offset:$offset), StFrm,
707 "str", " $src, [$base], $offset", "$base = $base_wb",
709 (post_store GPR:$src, GPR:$base, am2offset:$offset))]>;
711 def STRH_PRE : AI3sthpr<0xB, (outs GPR:$base_wb),
712 (ins GPR:$src, GPR:$base,am3offset:$offset), StFrm,
713 "str", "h $src, [$base, $offset]!", "$base = $base_wb",
715 (pre_truncsti16 GPR:$src, GPR:$base,am3offset:$offset))]>;
717 def STRH_POST: AI3sthpo<0xB, (outs GPR:$base_wb),
718 (ins GPR:$src, GPR:$base,am3offset:$offset), StFrm,
719 "str", "h $src, [$base], $offset", "$base = $base_wb",
720 [(set GPR:$base_wb, (post_truncsti16 GPR:$src,
721 GPR:$base, am3offset:$offset))]>;
723 def STRB_PRE : AI2stbpr<0x1, (outs GPR:$base_wb),
724 (ins GPR:$src, GPR:$base,am2offset:$offset), StFrm,
725 "str", "b $src, [$base, $offset]!", "$base = $base_wb",
726 [(set GPR:$base_wb, (pre_truncsti8 GPR:$src,
727 GPR:$base, am2offset:$offset))]>;
729 def STRB_POST: AI2stbpo<0x1, (outs GPR:$base_wb),
730 (ins GPR:$src, GPR:$base,am2offset:$offset), StFrm,
731 "str", "b $src, [$base], $offset", "$base = $base_wb",
732 [(set GPR:$base_wb, (post_truncsti8 GPR:$src,
733 GPR:$base, am2offset:$offset))]>;
735 //===----------------------------------------------------------------------===//
736 // Load / store multiple Instructions.
739 // FIXME: $dst1 should be a def.
741 def LDM : AXI4ld<0x0, (outs),
742 (ins addrmode4:$addr, pred:$p, reglist:$dst1, variable_ops),
743 LdFrm, "ldm${p}${addr:submode} $addr, $dst1",
747 def STM : AXI4st<0x0, (outs),
748 (ins addrmode4:$addr, pred:$p, reglist:$src1, variable_ops),
749 StFrm, "stm${p}${addr:submode} $addr, $src1",
752 //===----------------------------------------------------------------------===//
753 // Move Instructions.
756 def MOVr : AsI1<0b1101, (outs GPR:$dst), (ins GPR:$src), DPRdReg,
757 "mov", " $dst, $src", []>;
758 def MOVs : AsI1<0b1101, (outs GPR:$dst), (ins so_reg:$src), DPRdSoReg,
759 "mov", " $dst, $src", [(set GPR:$dst, so_reg:$src)]>;
761 let isReMaterializable = 1 in
762 def MOVi : AsI1<0b1101, (outs GPR:$dst), (ins so_imm:$src), DPRdIm,
763 "mov", " $dst, $src", [(set GPR:$dst, so_imm:$src)]>;
765 def MOVrx : AsI1<0b1101, (outs GPR:$dst), (ins GPR:$src), DPRdMisc,
766 "mov", " $dst, $src, rrx",
767 [(set GPR:$dst, (ARMrrx GPR:$src))]>;
769 // These aren't really mov instructions, but we have to define them this way
770 // due to flag operands.
772 let Defs = [CPSR] in {
773 def MOVsrl_flag : AI1<0b1101, (outs GPR:$dst), (ins GPR:$src), DPRdMisc,
774 "mov", "s $dst, $src, lsr #1",
775 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>;
776 def MOVsra_flag : AI1<0b1101, (outs GPR:$dst), (ins GPR:$src), DPRdMisc,
777 "mov", "s $dst, $src, asr #1",
778 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>;
781 //===----------------------------------------------------------------------===//
782 // Extend Instructions.
787 defm SXTB : AI_unary_rrot<0x0, "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
788 defm SXTH : AI_unary_rrot<0x0, "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
790 defm SXTAB : AI_bin_rrot<0x0, "sxtab",
791 BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
792 defm SXTAH : AI_bin_rrot<0x0, "sxtah",
793 BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
795 // TODO: SXT(A){B|H}16
799 let AddedComplexity = 16 in {
800 defm UXTB : AI_unary_rrot<0x0, "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
801 defm UXTH : AI_unary_rrot<0x0, "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
802 defm UXTB16 : AI_unary_rrot<0x0, "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
804 def : ARMV6Pat<(and (shl GPR:$Src, 8), 0xFF00FF),
805 (UXTB16r_rot GPR:$Src, 24)>;
806 def : ARMV6Pat<(and (srl GPR:$Src, 8), 0xFF00FF),
807 (UXTB16r_rot GPR:$Src, 8)>;
809 defm UXTAB : AI_bin_rrot<0x0, "uxtab",
810 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
811 defm UXTAH : AI_bin_rrot<0x0, "uxtah",
812 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
815 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
816 //defm UXTAB16 : xxx<"uxtab16", 0xff00ff>;
818 // TODO: UXT(A){B|H}16
820 //===----------------------------------------------------------------------===//
821 // Arithmetic Instructions.
824 defm ADD : AsI1_bin_irs<0b0100, "add",
825 BinOpFrag<(add node:$LHS, node:$RHS)>>;
826 defm SUB : AsI1_bin_irs<0b0010, "sub",
827 BinOpFrag<(sub node:$LHS, node:$RHS)>>;
829 // ADD and SUB with 's' bit set.
830 defm ADDS : ASI1_bin_s_irs<0b0100, "add",
831 BinOpFrag<(addc node:$LHS, node:$RHS)>>;
832 defm SUBS : ASI1_bin_s_irs<0b0010, "sub",
833 BinOpFrag<(subc node:$LHS, node:$RHS)>>;
835 // FIXME: Do not allow ADC / SBC to be predicated for now.
836 defm ADC : AsXI1_bin_c_irs<0b0101, "adc",
837 BinOpFrag<(adde node:$LHS, node:$RHS)>>;
838 defm SBC : AsXI1_bin_c_irs<0b0110, "sbc",
839 BinOpFrag<(sube node:$LHS, node:$RHS)>>;
841 // These don't define reg/reg forms, because they are handled above.
842 def RSBri : AsI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPRIm,
843 "rsb", " $dst, $a, $b",
844 [(set GPR:$dst, (sub so_imm:$b, GPR:$a))]>;
846 def RSBrs : AsI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPRSoReg,
847 "rsb", " $dst, $a, $b",
848 [(set GPR:$dst, (sub so_reg:$b, GPR:$a))]>;
850 // RSB with 's' bit set.
851 let Defs = [CPSR] in {
852 def RSBSri : AI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPRIm,
853 "rsb", "s $dst, $a, $b",
854 [(set GPR:$dst, (subc so_imm:$b, GPR:$a))]>;
855 def RSBSrs : AI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPRSoReg,
856 "rsb", "s $dst, $a, $b",
857 [(set GPR:$dst, (subc so_reg:$b, GPR:$a))]>;
860 // FIXME: Do not allow RSC to be predicated for now. But they can set CPSR.
861 let Uses = [CPSR] in {
862 def RSCri : AXI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_imm:$b, cc_out:$s),
863 DPRIm, "rsc${s} $dst, $a, $b",
864 [(set GPR:$dst, (sube so_imm:$b, GPR:$a))]>;
865 def RSCrs : AXI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_reg:$b, cc_out:$s),
866 DPRSoReg, "rsc${s} $dst, $a, $b",
867 [(set GPR:$dst, (sube so_reg:$b, GPR:$a))]>;
870 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
871 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
872 (SUBri GPR:$src, so_imm_neg:$imm)>;
874 //def : ARMPat<(addc GPR:$src, so_imm_neg:$imm),
875 // (SUBSri GPR:$src, so_imm_neg:$imm)>;
876 //def : ARMPat<(adde GPR:$src, so_imm_neg:$imm),
877 // (SBCri GPR:$src, so_imm_neg:$imm)>;
879 // Note: These are implemented in C++ code, because they have to generate
880 // ADD/SUBrs instructions, which use a complex pattern that a xform function
882 // (mul X, 2^n+1) -> (add (X << n), X)
883 // (mul X, 2^n-1) -> (rsb X, (X << n))
886 //===----------------------------------------------------------------------===//
887 // Bitwise Instructions.
890 defm AND : AsI1_bin_irs<0b0000, "and",
891 BinOpFrag<(and node:$LHS, node:$RHS)>>;
892 defm ORR : AsI1_bin_irs<0b1100, "orr",
893 BinOpFrag<(or node:$LHS, node:$RHS)>>;
894 defm EOR : AsI1_bin_irs<0b0001, "eor",
895 BinOpFrag<(xor node:$LHS, node:$RHS)>>;
896 defm BIC : AsI1_bin_irs<0b1110, "bic",
897 BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
899 def MVNr : AsI1<0b1111, (outs GPR:$dst), (ins GPR:$src), DPRdReg,
900 "mvn", " $dst, $src", [(set GPR:$dst, (not GPR:$src))]>;
901 def MVNs : AsI1<0b1111, (outs GPR:$dst), (ins so_reg:$src), DPRdSoReg,
902 "mvn", " $dst, $src", [(set GPR:$dst, (not so_reg:$src))]>;
903 let isReMaterializable = 1 in
904 def MVNi : AsI1<0b1111, (outs GPR:$dst), (ins so_imm:$imm), DPRdIm,
905 "mvn", " $dst, $imm", [(set GPR:$dst, so_imm_not:$imm)]>;
907 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
908 (BICri GPR:$src, so_imm_not:$imm)>;
910 //===----------------------------------------------------------------------===//
911 // Multiply Instructions.
914 def MUL : AsI6<0b0000, (outs GPR:$dst), (ins GPR:$a, GPR:$b), MulFrm,
915 "mul", " $dst, $a, $b",
916 [(set GPR:$dst, (mul GPR:$a, GPR:$b))]>;
918 def MLA : AsI6<0b0010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
919 MulFrm, "mla", " $dst, $a, $b, $c",
920 [(set GPR:$dst, (add (mul GPR:$a, GPR:$b), GPR:$c))]>;
922 // Extra precision multiplies with low / high results
923 def SMULL : AsI6<0b1100, (outs GPR:$ldst, GPR:$hdst), (ins GPR:$a, GPR:$b),
924 MulFrm, "smull", " $ldst, $hdst, $a, $b", []>;
926 def UMULL : AsI6<0b1000, (outs GPR:$ldst, GPR:$hdst), (ins GPR:$a, GPR:$b),
927 MulFrm, "umull", " $ldst, $hdst, $a, $b", []>;
929 // Multiply + accumulate
930 def SMLAL : AsI6<0b1110, (outs GPR:$ldst, GPR:$hdst), (ins GPR:$a, GPR:$b),
931 MulFrm, "smlal", " $ldst, $hdst, $a, $b", []>;
933 def UMLAL : AsI6<0b1010, (outs GPR:$ldst, GPR:$hdst), (ins GPR:$a, GPR:$b),
934 MulFrm, "umlal", " $ldst, $hdst, $a, $b", []>;
936 def UMAAL : AI6 <0b0000, (outs GPR:$ldst, GPR:$hdst), (ins GPR:$a, GPR:$b),
937 MulFrm, "umaal", " $ldst, $hdst, $a, $b", []>,
938 Requires<[IsARM, HasV6]>;
940 // Most significant word multiply
942 def SMMUL : AI<0x0, (outs GPR:$dst), (ins GPR:$a, GPR:$b), MulFrm,
943 "smmul", " $dst, $a, $b",
944 [(set GPR:$dst, (mulhs GPR:$a, GPR:$b))]>,
945 Requires<[IsARM, HasV6]>;
948 def SMMLA : AI<0x0, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c), MulFrm,
949 "smmla", " $dst, $a, $b, $c",
950 [(set GPR:$dst, (add (mulhs GPR:$a, GPR:$b), GPR:$c))]>,
951 Requires<[IsARM, HasV6]>;
955 def SMMLS : AI<0x0, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c), MulFrm,
956 "smmls", " $dst, $a, $b, $c",
957 [(set GPR:$dst, (sub GPR:$c, (mulhs GPR:$a, GPR:$b)))]>,
958 Requires<[IsARM, HasV6]>;
961 multiclass AI_smul<string opc, PatFrag opnode> {
962 def BB : AI<0x8, (outs GPR:$dst), (ins GPR:$a, GPR:$b), MulSMUL,
963 !strconcat(opc, "bb"), " $dst, $a, $b",
964 [(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16),
965 (sext_inreg GPR:$b, i16)))]>,
966 Requires<[IsARM, HasV5TE]>;
968 def BT : AI<0xC, (outs GPR:$dst), (ins GPR:$a, GPR:$b), MulSMUL,
969 !strconcat(opc, "bt"), " $dst, $a, $b",
970 [(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16),
971 (sra GPR:$b, 16)))]>,
972 Requires<[IsARM, HasV5TE]>;
974 def TB : AI<0xA, (outs GPR:$dst), (ins GPR:$a, GPR:$b), MulSMUL,
975 !strconcat(opc, "tb"), " $dst, $a, $b",
976 [(set GPR:$dst, (opnode (sra GPR:$a, 16),
977 (sext_inreg GPR:$b, i16)))]>,
978 Requires<[IsARM, HasV5TE]>;
980 def TT : AI<0xE, (outs GPR:$dst), (ins GPR:$a, GPR:$b), MulSMUL,
981 !strconcat(opc, "tt"), " $dst, $a, $b",
982 [(set GPR:$dst, (opnode (sra GPR:$a, 16),
983 (sra GPR:$b, 16)))]>,
984 Requires<[IsARM, HasV5TE]>;
986 def WB : AI<0xA, (outs GPR:$dst), (ins GPR:$a, GPR:$b), MulSMULW,
987 !strconcat(opc, "wb"), " $dst, $a, $b",
988 [(set GPR:$dst, (sra (opnode GPR:$a,
989 (sext_inreg GPR:$b, i16)), 16))]>,
990 Requires<[IsARM, HasV5TE]>;
992 def WT : AI<0xE, (outs GPR:$dst), (ins GPR:$a, GPR:$b), MulSMULW,
993 !strconcat(opc, "wt"), " $dst, $a, $b",
994 [(set GPR:$dst, (sra (opnode GPR:$a,
995 (sra GPR:$b, 16)), 16))]>,
996 Requires<[IsARM, HasV5TE]>;
1001 multiclass AI_smla<string opc, PatFrag opnode> {
1002 def BB : AI<0x8, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc), MulSMLA,
1003 !strconcat(opc, "bb"), " $dst, $a, $b, $acc",
1004 [(set GPR:$dst, (add GPR:$acc,
1005 (opnode (sext_inreg GPR:$a, i16),
1006 (sext_inreg GPR:$b, i16))))]>,
1007 Requires<[IsARM, HasV5TE]>;
1009 def BT : AI<0xC, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc), MulSMLA,
1010 !strconcat(opc, "bt"), " $dst, $a, $b, $acc",
1011 [(set GPR:$dst, (add GPR:$acc, (opnode (sext_inreg GPR:$a, i16),
1012 (sra GPR:$b, 16))))]>,
1013 Requires<[IsARM, HasV5TE]>;
1015 def TB : AI<0xA, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc), MulSMLA,
1016 !strconcat(opc, "tb"), " $dst, $a, $b, $acc",
1017 [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, 16),
1018 (sext_inreg GPR:$b, i16))))]>,
1019 Requires<[IsARM, HasV5TE]>;
1021 def TT : AI<0xE, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc), MulSMLA,
1022 !strconcat(opc, "tt"), " $dst, $a, $b, $acc",
1023 [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, 16),
1024 (sra GPR:$b, 16))))]>,
1025 Requires<[IsARM, HasV5TE]>;
1027 def WB : AI<0xA, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc), MulSMLAW,
1028 !strconcat(opc, "wb"), " $dst, $a, $b, $acc",
1029 [(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a,
1030 (sext_inreg GPR:$b, i16)), 16)))]>,
1031 Requires<[IsARM, HasV5TE]>;
1033 def WT : AI<0xE, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc), MulSMLAW,
1034 !strconcat(opc, "wt"), " $dst, $a, $b, $acc",
1035 [(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a,
1036 (sra GPR:$b, 16)), 16)))]>,
1037 Requires<[IsARM, HasV5TE]>;
1041 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
1043 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
1045 // TODO: Halfword multiple accumulate long: SMLAL<x><y>
1046 // TODO: Dual halfword multiple: SMUAD, SMUSD, SMLAD, SMLSD, SMLALD, SMLSLD
1048 //===----------------------------------------------------------------------===//
1049 // Misc. Arithmetic Instructions.
1052 def CLZ : AI<0x0, (outs GPR:$dst), (ins GPR:$src), ArithMisc,
1053 "clz", " $dst, $src",
1054 [(set GPR:$dst, (ctlz GPR:$src))]>, Requires<[IsARM, HasV5T]>;
1056 def REV : AI<0x0, (outs GPR:$dst), (ins GPR:$src), ArithMisc,
1057 "rev", " $dst, $src",
1058 [(set GPR:$dst, (bswap GPR:$src))]>, Requires<[IsARM, HasV6]>;
1060 def REV16 : AI<0x0, (outs GPR:$dst), (ins GPR:$src), ArithMisc,
1061 "rev16", " $dst, $src",
1063 (or (and (srl GPR:$src, 8), 0xFF),
1064 (or (and (shl GPR:$src, 8), 0xFF00),
1065 (or (and (srl GPR:$src, 8), 0xFF0000),
1066 (and (shl GPR:$src, 8), 0xFF000000)))))]>,
1067 Requires<[IsARM, HasV6]>;
1069 def REVSH : AI<0x0, (outs GPR:$dst), (ins GPR:$src), ArithMisc,
1070 "revsh", " $dst, $src",
1073 (or (srl (and GPR:$src, 0xFF00), 8),
1074 (shl GPR:$src, 8)), i16))]>,
1075 Requires<[IsARM, HasV6]>;
1077 def PKHBT : AI<0x0, (outs GPR:$dst), (ins GPR:$src1, GPR:$src2, i32imm:$shamt),
1078 Pseudo, "pkhbt", " $dst, $src1, $src2, LSL $shamt",
1079 [(set GPR:$dst, (or (and GPR:$src1, 0xFFFF),
1080 (and (shl GPR:$src2, (i32 imm:$shamt)),
1082 Requires<[IsARM, HasV6]>;
1084 // Alternate cases for PKHBT where identities eliminate some nodes.
1085 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF), (and GPR:$src2, 0xFFFF0000)),
1086 (PKHBT GPR:$src1, GPR:$src2, 0)>;
1087 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF), (shl GPR:$src2, imm16_31:$shamt)),
1088 (PKHBT GPR:$src1, GPR:$src2, imm16_31:$shamt)>;
1091 def PKHTB : AI<0x0, (outs GPR:$dst), (ins GPR:$src1, GPR:$src2, i32imm:$shamt),
1092 Pseudo, "pkhtb", " $dst, $src1, $src2, ASR $shamt",
1093 [(set GPR:$dst, (or (and GPR:$src1, 0xFFFF0000),
1094 (and (sra GPR:$src2, imm16_31:$shamt),
1095 0xFFFF)))]>, Requires<[IsARM, HasV6]>;
1097 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
1098 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
1099 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000), (srl GPR:$src2, 16)),
1100 (PKHTB GPR:$src1, GPR:$src2, 16)>;
1101 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000),
1102 (and (srl GPR:$src2, imm1_15:$shamt), 0xFFFF)),
1103 (PKHTB GPR:$src1, GPR:$src2, imm1_15:$shamt)>;
1106 //===----------------------------------------------------------------------===//
1107 // Comparison Instructions...
1110 defm CMP : AI1_cmp_irs<0b1010, "cmp",
1111 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
1112 defm CMN : AI1_cmp_irs<0b1011, "cmn",
1113 BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
1115 // Note that TST/TEQ don't set all the same flags that CMP does!
1116 defm TST : AI1_cmp_irs<0x8, "tst",
1117 BinOpFrag<(ARMcmpNZ (and node:$LHS, node:$RHS), 0)>>;
1118 defm TEQ : AI1_cmp_irs<0x9, "teq",
1119 BinOpFrag<(ARMcmpNZ (xor node:$LHS, node:$RHS), 0)>>;
1121 defm CMPnz : AI1_cmp_irs<0b1010, "cmp",
1122 BinOpFrag<(ARMcmpNZ node:$LHS, node:$RHS)>>;
1123 defm CMNnz : AI1_cmp_irs<0b1011, "cmn",
1124 BinOpFrag<(ARMcmpNZ node:$LHS,(ineg node:$RHS))>>;
1126 def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
1127 (CMNri GPR:$src, so_imm_neg:$imm)>;
1129 def : ARMPat<(ARMcmpNZ GPR:$src, so_imm_neg:$imm),
1130 (CMNri GPR:$src, so_imm_neg:$imm)>;
1133 // Conditional moves
1134 // FIXME: should be able to write a pattern for ARMcmov, but can't use
1135 // a two-value operand where a dag node expects two operands. :(
1136 def MOVCCr : AI<0xD, (outs GPR:$dst), (ins GPR:$false, GPR:$true),
1137 DPRdReg, "mov", " $dst, $true",
1138 [/*(set GPR:$dst, (ARMcmov GPR:$false, GPR:$true, imm:$cc, CCR:$ccr))*/]>,
1139 RegConstraint<"$false = $dst">;
1141 def MOVCCs : AI<0xD, (outs GPR:$dst), (ins GPR:$false, so_reg:$true),
1142 DPRdSoReg, "mov", " $dst, $true",
1143 [/*(set GPR:$dst, (ARMcmov GPR:$false, so_reg:$true, imm:$cc, CCR:$ccr))*/]>,
1144 RegConstraint<"$false = $dst">;
1146 def MOVCCi : AI<0xD, (outs GPR:$dst), (ins GPR:$false, so_imm:$true),
1147 DPRdIm, "mov", " $dst, $true",
1148 [/*(set GPR:$dst, (ARMcmov GPR:$false, so_imm:$true, imm:$cc, CCR:$ccr))*/]>,
1149 RegConstraint<"$false = $dst">;
1152 // LEApcrel - Load a pc-relative address into a register without offending the
1154 def LEApcrel : AXI1<0x0, (outs GPR:$dst), (ins i32imm:$label, pred:$p), Pseudo,
1155 !strconcat(!strconcat(".set PCRELV${:uid}, ($label-(",
1156 "${:private}PCRELL${:uid}+8))\n"),
1157 !strconcat("${:private}PCRELL${:uid}:\n\t",
1158 "add$p $dst, pc, #PCRELV${:uid}")),
1161 def LEApcrelJT : AXI1<0x0, (outs GPR:$dst), (ins i32imm:$label, i32imm:$id, pred:$p),
1163 !strconcat(!strconcat(".set PCRELV${:uid}, (${label}_${id:no_hash}-(",
1164 "${:private}PCRELL${:uid}+8))\n"),
1165 !strconcat("${:private}PCRELL${:uid}:\n\t",
1166 "add$p $dst, pc, #PCRELV${:uid}")),
1169 //===----------------------------------------------------------------------===//
1173 // __aeabi_read_tp preserves the registers r1-r3.
1175 Defs = [R0, R12, LR, CPSR] in {
1176 def TPsoft : AXI<0x0, (outs), (ins), BranchMisc,
1177 "bl __aeabi_read_tp",
1178 [(set R0, ARMthread_pointer)]>;
1181 //===----------------------------------------------------------------------===//
1182 // Non-Instruction Patterns
1185 // ConstantPool, GlobalAddress, and JumpTable
1186 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>;
1187 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
1188 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
1189 (LEApcrelJT tjumptable:$dst, imm:$id)>;
1191 // Large immediate handling.
1193 // Two piece so_imms.
1194 let isReMaterializable = 1 in
1195 def MOVi2pieces : AI1x2<0x0, (outs GPR:$dst), (ins so_imm2part:$src), DPRdMisc,
1196 "mov", " $dst, $src",
1197 [(set GPR:$dst, so_imm2part:$src)]>;
1199 def : ARMPat<(or GPR:$LHS, so_imm2part:$RHS),
1200 (ORRri (ORRri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
1201 (so_imm2part_2 imm:$RHS))>;
1202 def : ARMPat<(xor GPR:$LHS, so_imm2part:$RHS),
1203 (EORri (EORri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
1204 (so_imm2part_2 imm:$RHS))>;
1206 // TODO: add,sub,and, 3-instr forms?
1210 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>;
1212 // zextload i1 -> zextload i8
1213 def : ARMPat<(zextloadi1 addrmode2:$addr), (LDRB addrmode2:$addr)>;
1215 // extload -> zextload
1216 def : ARMPat<(extloadi1 addrmode2:$addr), (LDRB addrmode2:$addr)>;
1217 def : ARMPat<(extloadi8 addrmode2:$addr), (LDRB addrmode2:$addr)>;
1218 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
1221 def : ARMV5TEPat<(mul (sra (shl GPR:$a, 16), 16), (sra (shl GPR:$b, 16), 16)),
1222 (SMULBB GPR:$a, GPR:$b)>;
1223 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
1224 (SMULBB GPR:$a, GPR:$b)>;
1225 def : ARMV5TEPat<(mul (sra (shl GPR:$a, 16), 16), (sra GPR:$b, 16)),
1226 (SMULBT GPR:$a, GPR:$b)>;
1227 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, 16)),
1228 (SMULBT GPR:$a, GPR:$b)>;
1229 def : ARMV5TEPat<(mul (sra GPR:$a, 16), (sra (shl GPR:$b, 16), 16)),
1230 (SMULTB GPR:$a, GPR:$b)>;
1231 def : ARMV5TEPat<(mul (sra GPR:$a, 16), sext_16_node:$b),
1232 (SMULTB GPR:$a, GPR:$b)>;
1233 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, 16), 16)), 16),
1234 (SMULWB GPR:$a, GPR:$b)>;
1235 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), 16),
1236 (SMULWB GPR:$a, GPR:$b)>;
1238 def : ARMV5TEPat<(add GPR:$acc,
1239 (mul (sra (shl GPR:$a, 16), 16),
1240 (sra (shl GPR:$b, 16), 16))),
1241 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
1242 def : ARMV5TEPat<(add GPR:$acc,
1243 (mul sext_16_node:$a, sext_16_node:$b)),
1244 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
1245 def : ARMV5TEPat<(add GPR:$acc,
1246 (mul (sra (shl GPR:$a, 16), 16), (sra GPR:$b, 16))),
1247 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
1248 def : ARMV5TEPat<(add GPR:$acc,
1249 (mul sext_16_node:$a, (sra GPR:$b, 16))),
1250 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
1251 def : ARMV5TEPat<(add GPR:$acc,
1252 (mul (sra GPR:$a, 16), (sra (shl GPR:$b, 16), 16))),
1253 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
1254 def : ARMV5TEPat<(add GPR:$acc,
1255 (mul (sra GPR:$a, 16), sext_16_node:$b)),
1256 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
1257 def : ARMV5TEPat<(add GPR:$acc,
1258 (sra (mul GPR:$a, (sra (shl GPR:$b, 16), 16)), 16)),
1259 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
1260 def : ARMV5TEPat<(add GPR:$acc,
1261 (sra (mul GPR:$a, sext_16_node:$b), 16)),
1262 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
1264 //===----------------------------------------------------------------------===//
1268 include "ARMInstrThumb.td"
1270 //===----------------------------------------------------------------------===//
1271 // Floating Point Support
1274 include "ARMInstrVFP.td"