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 multiclass AI_unary_rrot<bits<4> opcod, string opc, PatFrag opnode> {
394 def r : AI<opcod, (outs GPR:$dst), (ins GPR:$Src), Pseudo,
396 [(set GPR:$dst, (opnode GPR:$Src))]>, Requires<[IsARM, HasV6]>;
397 def r_rot : AI<opcod, (outs GPR:$dst), (ins GPR:$Src, i32imm:$rot), Pseudo,
398 opc, " $dst, $Src, ror $rot",
399 [(set GPR:$dst, (opnode (rotr GPR:$Src, rot_imm:$rot)))]>,
400 Requires<[IsARM, HasV6]>;
403 /// AI_bin_rrot - A binary operation with two forms: one whose operand is a
404 /// register and one whose operand is a register rotated by 8/16/24.
405 multiclass AI_bin_rrot<bits<4> opcod, string opc, PatFrag opnode> {
406 def rr : AI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS),
407 Pseudo, opc, " $dst, $LHS, $RHS",
408 [(set GPR:$dst, (opnode GPR:$LHS, GPR:$RHS))]>,
409 Requires<[IsARM, HasV6]>;
410 def rr_rot : AI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS, i32imm:$rot),
411 Pseudo, opc, " $dst, $LHS, $RHS, ror $rot",
412 [(set GPR:$dst, (opnode GPR:$LHS,
413 (rotr GPR:$RHS, rot_imm:$rot)))]>,
414 Requires<[IsARM, HasV6]>;
417 /// AsXI1_bin_c_irs - Same as AsI1_bin_irs but without the predicate operand and
418 /// setting carry bit. But it can optionally set CPSR.
419 let Uses = [CPSR] in {
420 multiclass AsXI1_bin_c_irs<bits<4> opcod, string opc, PatFrag opnode> {
421 def ri : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b, cc_out:$s),
422 DPFrm, !strconcat(opc, "${s} $dst, $a, $b"),
423 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]>;
424 def rr : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b, cc_out:$s),
425 DPFrm, !strconcat(opc, "${s} $dst, $a, $b"),
426 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]>;
427 def rs : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b, cc_out:$s),
428 DPSoRegFrm, !strconcat(opc, "${s} $dst, $a, $b"),
429 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]>;
433 //===----------------------------------------------------------------------===//
435 //===----------------------------------------------------------------------===//
437 //===----------------------------------------------------------------------===//
438 // Miscellaneous Instructions.
441 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
442 /// the function. The first operand is the ID# for this instruction, the second
443 /// is the index into the MachineConstantPool that this is, the third is the
444 /// size in bytes of this constant pool entry.
445 let isNotDuplicable = 1 in
446 def CONSTPOOL_ENTRY :
447 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
449 "${instid:label} ${cpidx:cpentry}", []>;
451 let Defs = [SP], Uses = [SP] in {
453 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p),
454 "@ ADJCALLSTACKUP $amt1",
455 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
457 def ADJCALLSTACKDOWN :
458 PseudoInst<(outs), (ins i32imm:$amt, pred:$p),
459 "@ ADJCALLSTACKDOWN $amt",
460 [(ARMcallseq_start timm:$amt)]>;
464 PseudoInst<(outs), (ins i32imm:$line, i32imm:$col, i32imm:$file),
465 ".loc $file, $line, $col",
466 [(dwarf_loc (i32 imm:$line), (i32 imm:$col), (i32 imm:$file))]>;
468 let isNotDuplicable = 1 in {
469 def PICADD : AXI1<0b0100, (outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
470 Pseudo, "$cp:\n\tadd$p $dst, pc, $a",
471 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
473 let AddedComplexity = 10 in {
474 let isSimpleLoad = 1 in
475 def PICLDR : AXI2ldw<0x0, (outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
476 Pseudo, "${addr:label}:\n\tldr$p $dst, $addr",
477 [(set GPR:$dst, (load addrmodepc:$addr))]>;
479 def PICLDRH : AXI3ldh<0xB, (outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
480 Pseudo, "${addr:label}:\n\tldr${p}h $dst, $addr",
481 [(set GPR:$dst, (zextloadi16 addrmodepc:$addr))]>;
483 def PICLDRB : AXI2ldb<0x1, (outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
484 Pseudo, "${addr:label}:\n\tldr${p}b $dst, $addr",
485 [(set GPR:$dst, (zextloadi8 addrmodepc:$addr))]>;
487 def PICLDRSH : AXI3ldsh<0xE, (outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
488 Pseudo, "${addr:label}:\n\tldr${p}sh $dst, $addr",
489 [(set GPR:$dst, (sextloadi16 addrmodepc:$addr))]>;
491 def PICLDRSB : AXI3ldsb<0xD, (outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
492 Pseudo, "${addr:label}:\n\tldr${p}sb $dst, $addr",
493 [(set GPR:$dst, (sextloadi8 addrmodepc:$addr))]>;
495 let AddedComplexity = 10 in {
496 def PICSTR : AXI2stw<0x0, (outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
497 Pseudo, "${addr:label}:\n\tstr$p $src, $addr",
498 [(store GPR:$src, addrmodepc:$addr)]>;
500 def PICSTRH : AXI3sth<0xB, (outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
501 Pseudo, "${addr:label}:\n\tstr${p}h $src, $addr",
502 [(truncstorei16 GPR:$src, addrmodepc:$addr)]>;
504 def PICSTRB : AXI2stb<0x1, (outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
505 Pseudo, "${addr:label}:\n\tstr${p}b $src, $addr",
506 [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
510 //===----------------------------------------------------------------------===//
511 // Control Flow Instructions.
514 let isReturn = 1, isTerminator = 1 in
515 def BX_RET : AI<0x0, (outs), (ins), BranchMisc, "bx", " lr", [(ARMretflag)]> {
516 let Inst{7-4} = 0b0001;
517 let Inst{19-8} = 0b111111111111;
518 let Inst{27-20} = 0b00010010;
521 // FIXME: remove when we have a way to marking a MI with these properties.
522 // FIXME: $dst1 should be a def. But the extra ops must be in the end of the
524 let isReturn = 1, isTerminator = 1 in
525 def LDM_RET : AXI4ldpc<0x0, (outs),
526 (ins addrmode4:$addr, pred:$p, reglist:$dst1, variable_ops),
527 LdMulFrm, "ldm${p}${addr:submode} $addr, $dst1",
531 Defs = [R0, R1, R2, R3, R12, LR,
532 D0, D1, D2, D3, D4, D5, D6, D7, CPSR] in {
533 def BL : ABLI<0xB, (outs), (ins i32imm:$func, variable_ops), Branch,
535 [(ARMcall tglobaladdr:$func)]>;
537 def BL_pred : ABLpredI<0xB, (outs), (ins i32imm:$func, variable_ops), Branch,
538 "bl", " ${func:call}",
539 [(ARMcall_pred tglobaladdr:$func)]>;
542 def BLX : AXI<0x0, (outs), (ins GPR:$func, variable_ops), BranchMisc,
544 [(ARMcall GPR:$func)]>, Requires<[IsARM, HasV5T]> {
545 let Inst{7-4} = 0b0011;
546 let Inst{19-8} = 0b111111111111;
547 let Inst{27-20} = 0b00010010;
552 def BX : AXIx2<0x0, (outs), (ins GPR:$func, variable_ops),
553 BranchMisc, "mov lr, pc\n\tbx $func",
554 [(ARMcall_nolink GPR:$func)]>;
558 let isBranch = 1, isTerminator = 1 in {
559 // B is "predicable" since it can be xformed into a Bcc.
560 let isBarrier = 1 in {
561 let isPredicable = 1 in
562 def B : ABI<0xA, (outs), (ins brtarget:$target), Branch, "b $target",
565 let isNotDuplicable = 1, isIndirectBranch = 1 in {
566 def BR_JTr : JTI<0b1101, (outs), (ins GPR:$target, jtblock_operand:$jt, i32imm:$id),
567 "mov pc, $target \n$jt",
568 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]>;
569 def BR_JTm : JTI2<0x0, (outs), (ins addrmode2:$target, jtblock_operand:$jt, i32imm:$id),
570 "ldr pc, $target \n$jt",
571 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
573 def BR_JTadd : JTI1<0b0100, (outs), (ins GPR:$target, GPR:$idx, jtblock_operand:$jt,
575 "add pc, $target, $idx \n$jt",
576 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
581 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
582 // a two-value operand where a dag node expects two operands. :(
583 def Bcc : ABccI<0xA, (outs), (ins brtarget:$target), Branch,
585 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]>;
588 //===----------------------------------------------------------------------===//
589 // Load / store Instructions.
593 let isSimpleLoad = 1 in
594 def LDR : AI2ldw<0x0, (outs GPR:$dst), (ins addrmode2:$addr), LdFrm,
595 "ldr", " $dst, $addr",
596 [(set GPR:$dst, (load addrmode2:$addr))]>;
598 // Special LDR for loads from non-pc-relative constpools.
599 let isSimpleLoad = 1, mayLoad = 1, isReMaterializable = 1 in
600 def LDRcp : AI2ldw<0x0, (outs GPR:$dst), (ins addrmode2:$addr), LdFrm,
601 "ldr", " $dst, $addr", []>;
603 // Loads with zero extension
604 def LDRH : AI3ldh<0xB, (outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
605 "ldr", "h $dst, $addr",
606 [(set GPR:$dst, (zextloadi16 addrmode3:$addr))]>;
608 def LDRB : AI2ldb<0x1, (outs GPR:$dst), (ins addrmode2:$addr), LdFrm,
609 "ldr", "b $dst, $addr",
610 [(set GPR:$dst, (zextloadi8 addrmode2:$addr))]>;
612 // Loads with sign extension
613 def LDRSH : AI3ldsh<0xE, (outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
614 "ldr", "sh $dst, $addr",
615 [(set GPR:$dst, (sextloadi16 addrmode3:$addr))]>;
617 def LDRSB : AI3ldsb<0xD, (outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
618 "ldr", "sb $dst, $addr",
619 [(set GPR:$dst, (sextloadi8 addrmode3:$addr))]>;
623 def LDRD : AI3ldd<0xD, (outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
624 "ldr", "d $dst, $addr",
625 []>, Requires<[IsARM, HasV5T]>;
628 def LDR_PRE : AI2ldwpr<0x0, (outs GPR:$dst, GPR:$base_wb),
629 (ins addrmode2:$addr), LdFrm,
630 "ldr", " $dst, $addr!", "$addr.base = $base_wb", []>;
632 def LDR_POST : AI2ldwpo<0x0, (outs GPR:$dst, GPR:$base_wb),
633 (ins GPR:$base, am2offset:$offset), LdFrm,
634 "ldr", " $dst, [$base], $offset", "$base = $base_wb", []>;
636 def LDRH_PRE : AI3ldhpr<0xB, (outs GPR:$dst, GPR:$base_wb),
637 (ins addrmode3:$addr), LdMiscFrm,
638 "ldr", "h $dst, $addr!", "$addr.base = $base_wb", []>;
640 def LDRH_POST : AI3ldhpo<0xB, (outs GPR:$dst, GPR:$base_wb),
641 (ins GPR:$base,am3offset:$offset), LdMiscFrm,
642 "ldr", "h $dst, [$base], $offset", "$base = $base_wb", []>;
644 def LDRB_PRE : AI2ldbpr<0x1, (outs GPR:$dst, GPR:$base_wb),
645 (ins addrmode2:$addr), LdFrm,
646 "ldr", "b $dst, $addr!", "$addr.base = $base_wb", []>;
648 def LDRB_POST : AI2ldbpo<0x1, (outs GPR:$dst, GPR:$base_wb),
649 (ins GPR:$base,am2offset:$offset), LdFrm,
650 "ldr", "b $dst, [$base], $offset", "$base = $base_wb", []>;
652 def LDRSH_PRE : AI3ldshpr<0xE, (outs GPR:$dst, GPR:$base_wb),
653 (ins addrmode3:$addr), LdMiscFrm,
654 "ldr", "sh $dst, $addr!", "$addr.base = $base_wb", []>;
656 def LDRSH_POST: AI3ldshpo<0xE, (outs GPR:$dst, GPR:$base_wb),
657 (ins GPR:$base,am3offset:$offset), LdMiscFrm,
658 "ldr", "sh $dst, [$base], $offset", "$base = $base_wb", []>;
660 def LDRSB_PRE : AI3ldsbpr<0xD, (outs GPR:$dst, GPR:$base_wb),
661 (ins addrmode3:$addr), LdMiscFrm,
662 "ldr", "sb $dst, $addr!", "$addr.base = $base_wb", []>;
664 def LDRSB_POST: AI3ldsbpo<0xD, (outs GPR:$dst, GPR:$base_wb),
665 (ins GPR:$base,am3offset:$offset), LdMiscFrm,
666 "ldr", "sb $dst, [$base], $offset", "$base = $base_wb", []>;
670 def STR : AI2stw<0x0, (outs), (ins GPR:$src, addrmode2:$addr), StFrm,
671 "str", " $src, $addr",
672 [(store GPR:$src, addrmode2:$addr)]>;
674 // Stores with truncate
675 def STRH : AI3sth<0xB, (outs), (ins GPR:$src, addrmode3:$addr), StMiscFrm,
676 "str", "h $src, $addr",
677 [(truncstorei16 GPR:$src, addrmode3:$addr)]>;
679 def STRB : AI2stb<0x1, (outs), (ins GPR:$src, addrmode2:$addr), StFrm,
680 "str", "b $src, $addr",
681 [(truncstorei8 GPR:$src, addrmode2:$addr)]>;
685 def STRD : AI3std<0xF, (outs), (ins GPR:$src, addrmode3:$addr), StMiscFrm,
686 "str", "d $src, $addr",
687 []>, Requires<[IsARM, HasV5T]>;
690 def STR_PRE : AI2stwpr<0x0, (outs GPR:$base_wb),
691 (ins GPR:$src, GPR:$base, am2offset:$offset), StFrm,
692 "str", " $src, [$base, $offset]!", "$base = $base_wb",
694 (pre_store GPR:$src, GPR:$base, am2offset:$offset))]>;
696 def STR_POST : AI2stwpo<0x0, (outs GPR:$base_wb),
697 (ins GPR:$src, GPR:$base,am2offset:$offset), StFrm,
698 "str", " $src, [$base], $offset", "$base = $base_wb",
700 (post_store GPR:$src, GPR:$base, am2offset:$offset))]>;
702 def STRH_PRE : AI3sthpr<0xB, (outs GPR:$base_wb),
703 (ins GPR:$src, GPR:$base,am3offset:$offset), StMiscFrm,
704 "str", "h $src, [$base, $offset]!", "$base = $base_wb",
706 (pre_truncsti16 GPR:$src, GPR:$base,am3offset:$offset))]>;
708 def STRH_POST: AI3sthpo<0xB, (outs GPR:$base_wb),
709 (ins GPR:$src, GPR:$base,am3offset:$offset), StMiscFrm,
710 "str", "h $src, [$base], $offset", "$base = $base_wb",
711 [(set GPR:$base_wb, (post_truncsti16 GPR:$src,
712 GPR:$base, am3offset:$offset))]>;
714 def STRB_PRE : AI2stbpr<0x1, (outs GPR:$base_wb),
715 (ins GPR:$src, GPR:$base,am2offset:$offset), StFrm,
716 "str", "b $src, [$base, $offset]!", "$base = $base_wb",
717 [(set GPR:$base_wb, (pre_truncsti8 GPR:$src,
718 GPR:$base, am2offset:$offset))]>;
720 def STRB_POST: AI2stbpo<0x1, (outs GPR:$base_wb),
721 (ins GPR:$src, GPR:$base,am2offset:$offset), StFrm,
722 "str", "b $src, [$base], $offset", "$base = $base_wb",
723 [(set GPR:$base_wb, (post_truncsti8 GPR:$src,
724 GPR:$base, am2offset:$offset))]>;
726 //===----------------------------------------------------------------------===//
727 // Load / store multiple Instructions.
730 // FIXME: $dst1 should be a def.
732 def LDM : AXI4ld<0x0, (outs),
733 (ins addrmode4:$addr, pred:$p, reglist:$dst1, variable_ops),
734 LdMulFrm, "ldm${p}${addr:submode} $addr, $dst1",
738 def STM : AXI4st<0x0, (outs),
739 (ins addrmode4:$addr, pred:$p, reglist:$src1, variable_ops),
740 StMulFrm, "stm${p}${addr:submode} $addr, $src1",
743 //===----------------------------------------------------------------------===//
744 // Move Instructions.
747 def MOVr : AsI1<0b1101, (outs GPR:$dst), (ins GPR:$src), DPFrm,
748 "mov", " $dst, $src", []>, UnaryDP;
749 def MOVs : AsI1<0b1101, (outs GPR:$dst), (ins so_reg:$src), DPSoRegFrm,
750 "mov", " $dst, $src", [(set GPR:$dst, so_reg:$src)]>, UnaryDP;
752 let isReMaterializable = 1 in
753 def MOVi : AsI1<0b1101, (outs GPR:$dst), (ins so_imm:$src), DPFrm,
754 "mov", " $dst, $src", [(set GPR:$dst, so_imm:$src)]>, UnaryDP;
756 def MOVrx : AsI1<0b1101, (outs GPR:$dst), (ins GPR:$src), DPFrm,
757 "mov", " $dst, $src, rrx",
758 [(set GPR:$dst, (ARMrrx GPR:$src))]>, UnaryDP;
760 // These aren't really mov instructions, but we have to define them this way
761 // due to flag operands.
763 let Defs = [CPSR] in {
764 def MOVsrl_flag : AI1<0b1101, (outs GPR:$dst), (ins GPR:$src), DPFrm,
765 "mov", "s $dst, $src, lsr #1",
766 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP;
767 def MOVsra_flag : AI1<0b1101, (outs GPR:$dst), (ins GPR:$src), DPFrm,
768 "mov", "s $dst, $src, asr #1",
769 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP;
772 //===----------------------------------------------------------------------===//
773 // Extend Instructions.
778 defm SXTB : AI_unary_rrot<0x0, "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
779 defm SXTH : AI_unary_rrot<0x0, "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
781 defm SXTAB : AI_bin_rrot<0x0, "sxtab",
782 BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
783 defm SXTAH : AI_bin_rrot<0x0, "sxtah",
784 BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
786 // TODO: SXT(A){B|H}16
790 let AddedComplexity = 16 in {
791 defm UXTB : AI_unary_rrot<0x0, "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
792 defm UXTH : AI_unary_rrot<0x0, "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
793 defm UXTB16 : AI_unary_rrot<0x0, "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
795 def : ARMV6Pat<(and (shl GPR:$Src, 8), 0xFF00FF),
796 (UXTB16r_rot GPR:$Src, 24)>;
797 def : ARMV6Pat<(and (srl GPR:$Src, 8), 0xFF00FF),
798 (UXTB16r_rot GPR:$Src, 8)>;
800 defm UXTAB : AI_bin_rrot<0x0, "uxtab",
801 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
802 defm UXTAH : AI_bin_rrot<0x0, "uxtah",
803 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
806 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
807 //defm UXTAB16 : xxx<"uxtab16", 0xff00ff>;
809 // TODO: UXT(A){B|H}16
811 //===----------------------------------------------------------------------===//
812 // Arithmetic Instructions.
815 defm ADD : AsI1_bin_irs<0b0100, "add",
816 BinOpFrag<(add node:$LHS, node:$RHS)>>;
817 defm SUB : AsI1_bin_irs<0b0010, "sub",
818 BinOpFrag<(sub node:$LHS, node:$RHS)>>;
820 // ADD and SUB with 's' bit set.
821 defm ADDS : ASI1_bin_s_irs<0b0100, "add",
822 BinOpFrag<(addc node:$LHS, node:$RHS)>>;
823 defm SUBS : ASI1_bin_s_irs<0b0010, "sub",
824 BinOpFrag<(subc node:$LHS, node:$RHS)>>;
826 // FIXME: Do not allow ADC / SBC to be predicated for now.
827 defm ADC : AsXI1_bin_c_irs<0b0101, "adc",
828 BinOpFrag<(adde node:$LHS, node:$RHS)>>;
829 defm SBC : AsXI1_bin_c_irs<0b0110, "sbc",
830 BinOpFrag<(sube node:$LHS, node:$RHS)>>;
832 // These don't define reg/reg forms, because they are handled above.
833 def RSBri : AsI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
834 "rsb", " $dst, $a, $b",
835 [(set GPR:$dst, (sub so_imm:$b, GPR:$a))]>;
837 def RSBrs : AsI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
838 "rsb", " $dst, $a, $b",
839 [(set GPR:$dst, (sub so_reg:$b, GPR:$a))]>;
841 // RSB with 's' bit set.
842 let Defs = [CPSR] in {
843 def RSBSri : AI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
844 "rsb", "s $dst, $a, $b",
845 [(set GPR:$dst, (subc so_imm:$b, GPR:$a))]>;
846 def RSBSrs : AI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
847 "rsb", "s $dst, $a, $b",
848 [(set GPR:$dst, (subc so_reg:$b, GPR:$a))]>;
851 // FIXME: Do not allow RSC to be predicated for now. But they can set CPSR.
852 let Uses = [CPSR] in {
853 def RSCri : AXI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_imm:$b, cc_out:$s),
854 DPFrm, "rsc${s} $dst, $a, $b",
855 [(set GPR:$dst, (sube so_imm:$b, GPR:$a))]>;
856 def RSCrs : AXI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_reg:$b, cc_out:$s),
857 DPSoRegFrm, "rsc${s} $dst, $a, $b",
858 [(set GPR:$dst, (sube so_reg:$b, GPR:$a))]>;
861 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
862 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
863 (SUBri GPR:$src, so_imm_neg:$imm)>;
865 //def : ARMPat<(addc GPR:$src, so_imm_neg:$imm),
866 // (SUBSri GPR:$src, so_imm_neg:$imm)>;
867 //def : ARMPat<(adde GPR:$src, so_imm_neg:$imm),
868 // (SBCri GPR:$src, so_imm_neg:$imm)>;
870 // Note: These are implemented in C++ code, because they have to generate
871 // ADD/SUBrs instructions, which use a complex pattern that a xform function
873 // (mul X, 2^n+1) -> (add (X << n), X)
874 // (mul X, 2^n-1) -> (rsb X, (X << n))
877 //===----------------------------------------------------------------------===//
878 // Bitwise Instructions.
881 defm AND : AsI1_bin_irs<0b0000, "and",
882 BinOpFrag<(and node:$LHS, node:$RHS)>>;
883 defm ORR : AsI1_bin_irs<0b1100, "orr",
884 BinOpFrag<(or node:$LHS, node:$RHS)>>;
885 defm EOR : AsI1_bin_irs<0b0001, "eor",
886 BinOpFrag<(xor node:$LHS, node:$RHS)>>;
887 defm BIC : AsI1_bin_irs<0b1110, "bic",
888 BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
890 def MVNr : AsI1<0b1111, (outs GPR:$dst), (ins GPR:$src), DPFrm,
891 "mvn", " $dst, $src",
892 [(set GPR:$dst, (not GPR:$src))]>, UnaryDP;
893 def MVNs : AsI1<0b1111, (outs GPR:$dst), (ins so_reg:$src), DPSoRegFrm,
894 "mvn", " $dst, $src",
895 [(set GPR:$dst, (not so_reg:$src))]>, UnaryDP;
896 let isReMaterializable = 1 in
897 def MVNi : AsI1<0b1111, (outs GPR:$dst), (ins so_imm:$imm), DPFrm,
898 "mvn", " $dst, $imm",
899 [(set GPR:$dst, so_imm_not:$imm)]>,UnaryDP;
901 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
902 (BICri GPR:$src, so_imm_not:$imm)>;
904 //===----------------------------------------------------------------------===//
905 // Multiply Instructions.
908 def MUL : AsMul1I<0b0000000, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
909 "mul", " $dst, $a, $b",
910 [(set GPR:$dst, (mul GPR:$a, GPR:$b))]>;
912 def MLA : AsMul1I<0b0000001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
913 "mla", " $dst, $a, $b, $c",
914 [(set GPR:$dst, (add (mul GPR:$a, GPR:$b), GPR:$c))]>;
916 // Extra precision multiplies with low / high results
917 def SMULL : AsMul1I<0b0000110, (outs GPR:$ldst, GPR:$hdst),
918 (ins GPR:$a, GPR:$b),
919 "smull", " $ldst, $hdst, $a, $b", []>;
921 def UMULL : AsMul1I<0b0000100, (outs GPR:$ldst, GPR:$hdst),
922 (ins GPR:$a, GPR:$b),
923 "umull", " $ldst, $hdst, $a, $b", []>;
925 // Multiply + accumulate
926 def SMLAL : AsMul1I<0b0000111, (outs GPR:$ldst, GPR:$hdst),
927 (ins GPR:$a, GPR:$b),
928 "smlal", " $ldst, $hdst, $a, $b", []>;
930 def UMLAL : AsMul1I<0b0000101, (outs GPR:$ldst, GPR:$hdst),
931 (ins GPR:$a, GPR:$b),
932 "umlal", " $ldst, $hdst, $a, $b", []>;
934 def UMAAL : AMul1I <0b0000010, (outs GPR:$ldst, GPR:$hdst),
935 (ins GPR:$a, GPR:$b),
936 "umaal", " $ldst, $hdst, $a, $b", []>,
937 Requires<[IsARM, HasV6]>;
939 // Most significant word multiply
940 def SMMUL : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
941 "smmul", " $dst, $a, $b",
942 [(set GPR:$dst, (mulhs GPR:$a, GPR:$b))]>,
943 Requires<[IsARM, HasV6]> {
944 let Inst{7-4} = 0b0001;
945 let Inst{15-12} = 0b1111;
948 def SMMLA : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
949 "smmla", " $dst, $a, $b, $c",
950 [(set GPR:$dst, (add (mulhs GPR:$a, GPR:$b), GPR:$c))]>,
951 Requires<[IsARM, HasV6]> {
952 let Inst{7-4} = 0b0001;
956 def SMMLS : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
957 "smmls", " $dst, $a, $b, $c",
958 [(set GPR:$dst, (sub GPR:$c, (mulhs GPR:$a, GPR:$b)))]>,
959 Requires<[IsARM, HasV6]> {
960 let Inst{7-4} = 0b1101;
964 multiclass AI_smul<string opc, PatFrag opnode> {
965 def BB : AI<0x8, (outs GPR:$dst), (ins GPR:$a, GPR:$b), MulSMUL,
966 !strconcat(opc, "bb"), " $dst, $a, $b",
967 [(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16),
968 (sext_inreg GPR:$b, i16)))]>,
969 Requires<[IsARM, HasV5TE]>;
971 def BT : AI<0xC, (outs GPR:$dst), (ins GPR:$a, GPR:$b), MulSMUL,
972 !strconcat(opc, "bt"), " $dst, $a, $b",
973 [(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16),
974 (sra GPR:$b, 16)))]>,
975 Requires<[IsARM, HasV5TE]>;
977 def TB : AI<0xA, (outs GPR:$dst), (ins GPR:$a, GPR:$b), MulSMUL,
978 !strconcat(opc, "tb"), " $dst, $a, $b",
979 [(set GPR:$dst, (opnode (sra GPR:$a, 16),
980 (sext_inreg GPR:$b, i16)))]>,
981 Requires<[IsARM, HasV5TE]>;
983 def TT : AI<0xE, (outs GPR:$dst), (ins GPR:$a, GPR:$b), MulSMUL,
984 !strconcat(opc, "tt"), " $dst, $a, $b",
985 [(set GPR:$dst, (opnode (sra GPR:$a, 16),
986 (sra GPR:$b, 16)))]>,
987 Requires<[IsARM, HasV5TE]>;
989 def WB : AI<0xA, (outs GPR:$dst), (ins GPR:$a, GPR:$b), MulSMULW,
990 !strconcat(opc, "wb"), " $dst, $a, $b",
991 [(set GPR:$dst, (sra (opnode GPR:$a,
992 (sext_inreg GPR:$b, i16)), 16))]>,
993 Requires<[IsARM, HasV5TE]>;
995 def WT : AI<0xE, (outs GPR:$dst), (ins GPR:$a, GPR:$b), MulSMULW,
996 !strconcat(opc, "wt"), " $dst, $a, $b",
997 [(set GPR:$dst, (sra (opnode GPR:$a,
998 (sra GPR:$b, 16)), 16))]>,
999 Requires<[IsARM, HasV5TE]>;
1004 multiclass AI_smla<string opc, PatFrag opnode> {
1005 def BB : AI<0x8, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc), MulSMLA,
1006 !strconcat(opc, "bb"), " $dst, $a, $b, $acc",
1007 [(set GPR:$dst, (add GPR:$acc,
1008 (opnode (sext_inreg GPR:$a, i16),
1009 (sext_inreg GPR:$b, i16))))]>,
1010 Requires<[IsARM, HasV5TE]>;
1012 def BT : AI<0xC, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc), MulSMLA,
1013 !strconcat(opc, "bt"), " $dst, $a, $b, $acc",
1014 [(set GPR:$dst, (add GPR:$acc, (opnode (sext_inreg GPR:$a, i16),
1015 (sra GPR:$b, 16))))]>,
1016 Requires<[IsARM, HasV5TE]>;
1018 def TB : AI<0xA, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc), MulSMLA,
1019 !strconcat(opc, "tb"), " $dst, $a, $b, $acc",
1020 [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, 16),
1021 (sext_inreg GPR:$b, i16))))]>,
1022 Requires<[IsARM, HasV5TE]>;
1024 def TT : AI<0xE, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc), MulSMLA,
1025 !strconcat(opc, "tt"), " $dst, $a, $b, $acc",
1026 [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, 16),
1027 (sra GPR:$b, 16))))]>,
1028 Requires<[IsARM, HasV5TE]>;
1030 def WB : AI<0xA, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc), MulSMLAW,
1031 !strconcat(opc, "wb"), " $dst, $a, $b, $acc",
1032 [(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a,
1033 (sext_inreg GPR:$b, i16)), 16)))]>,
1034 Requires<[IsARM, HasV5TE]>;
1036 def WT : AI<0xE, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc), MulSMLAW,
1037 !strconcat(opc, "wt"), " $dst, $a, $b, $acc",
1038 [(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a,
1039 (sra GPR:$b, 16)), 16)))]>,
1040 Requires<[IsARM, HasV5TE]>;
1044 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
1046 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
1048 // TODO: Halfword multiple accumulate long: SMLAL<x><y>
1049 // TODO: Dual halfword multiple: SMUAD, SMUSD, SMLAD, SMLSD, SMLALD, SMLSLD
1051 //===----------------------------------------------------------------------===//
1052 // Misc. Arithmetic Instructions.
1055 def CLZ : AI<0x0, (outs GPR:$dst), (ins GPR:$src), ArithMisc,
1056 "clz", " $dst, $src",
1057 [(set GPR:$dst, (ctlz GPR:$src))]>, Requires<[IsARM, HasV5T]>;
1059 def REV : AI<0x0, (outs GPR:$dst), (ins GPR:$src), ArithMisc,
1060 "rev", " $dst, $src",
1061 [(set GPR:$dst, (bswap GPR:$src))]>, Requires<[IsARM, HasV6]>;
1063 def REV16 : AI<0x0, (outs GPR:$dst), (ins GPR:$src), ArithMisc,
1064 "rev16", " $dst, $src",
1066 (or (and (srl GPR:$src, 8), 0xFF),
1067 (or (and (shl GPR:$src, 8), 0xFF00),
1068 (or (and (srl GPR:$src, 8), 0xFF0000),
1069 (and (shl GPR:$src, 8), 0xFF000000)))))]>,
1070 Requires<[IsARM, HasV6]>;
1072 def REVSH : AI<0x0, (outs GPR:$dst), (ins GPR:$src), ArithMisc,
1073 "revsh", " $dst, $src",
1076 (or (srl (and GPR:$src, 0xFF00), 8),
1077 (shl GPR:$src, 8)), i16))]>,
1078 Requires<[IsARM, HasV6]>;
1080 def PKHBT : AI<0x0, (outs GPR:$dst), (ins GPR:$src1, GPR:$src2, i32imm:$shamt),
1081 Pseudo, "pkhbt", " $dst, $src1, $src2, LSL $shamt",
1082 [(set GPR:$dst, (or (and GPR:$src1, 0xFFFF),
1083 (and (shl GPR:$src2, (i32 imm:$shamt)),
1085 Requires<[IsARM, HasV6]>;
1087 // Alternate cases for PKHBT where identities eliminate some nodes.
1088 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF), (and GPR:$src2, 0xFFFF0000)),
1089 (PKHBT GPR:$src1, GPR:$src2, 0)>;
1090 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF), (shl GPR:$src2, imm16_31:$shamt)),
1091 (PKHBT GPR:$src1, GPR:$src2, imm16_31:$shamt)>;
1094 def PKHTB : AI<0x0, (outs GPR:$dst), (ins GPR:$src1, GPR:$src2, i32imm:$shamt),
1095 Pseudo, "pkhtb", " $dst, $src1, $src2, ASR $shamt",
1096 [(set GPR:$dst, (or (and GPR:$src1, 0xFFFF0000),
1097 (and (sra GPR:$src2, imm16_31:$shamt),
1098 0xFFFF)))]>, Requires<[IsARM, HasV6]>;
1100 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
1101 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
1102 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000), (srl GPR:$src2, 16)),
1103 (PKHTB GPR:$src1, GPR:$src2, 16)>;
1104 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000),
1105 (and (srl GPR:$src2, imm1_15:$shamt), 0xFFFF)),
1106 (PKHTB GPR:$src1, GPR:$src2, imm1_15:$shamt)>;
1109 //===----------------------------------------------------------------------===//
1110 // Comparison Instructions...
1113 defm CMP : AI1_cmp_irs<0b1010, "cmp",
1114 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
1115 defm CMN : AI1_cmp_irs<0b1011, "cmn",
1116 BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
1118 // Note that TST/TEQ don't set all the same flags that CMP does!
1119 defm TST : AI1_cmp_irs<0x8, "tst",
1120 BinOpFrag<(ARMcmpNZ (and node:$LHS, node:$RHS), 0)>>;
1121 defm TEQ : AI1_cmp_irs<0x9, "teq",
1122 BinOpFrag<(ARMcmpNZ (xor node:$LHS, node:$RHS), 0)>>;
1124 defm CMPnz : AI1_cmp_irs<0b1010, "cmp",
1125 BinOpFrag<(ARMcmpNZ node:$LHS, node:$RHS)>>;
1126 defm CMNnz : AI1_cmp_irs<0b1011, "cmn",
1127 BinOpFrag<(ARMcmpNZ node:$LHS,(ineg node:$RHS))>>;
1129 def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
1130 (CMNri GPR:$src, so_imm_neg:$imm)>;
1132 def : ARMPat<(ARMcmpNZ GPR:$src, so_imm_neg:$imm),
1133 (CMNri GPR:$src, so_imm_neg:$imm)>;
1136 // Conditional moves
1137 // FIXME: should be able to write a pattern for ARMcmov, but can't use
1138 // a two-value operand where a dag node expects two operands. :(
1139 def MOVCCr : AI<0xD, (outs GPR:$dst), (ins GPR:$false, GPR:$true), DPFrm,
1140 "mov", " $dst, $true",
1141 [/*(set GPR:$dst, (ARMcmov GPR:$false, GPR:$true, imm:$cc, CCR:$ccr))*/]>,
1142 RegConstraint<"$false = $dst">;
1144 def MOVCCs : AI<0xD, (outs GPR:$dst), (ins GPR:$false, so_reg:$true), DPSoRegFrm,
1145 "mov", " $dst, $true",
1146 [/*(set GPR:$dst, (ARMcmov GPR:$false, so_reg:$true, imm:$cc, CCR:$ccr))*/]>,
1147 RegConstraint<"$false = $dst">, UnaryDP;
1149 def MOVCCi : AI<0xD, (outs GPR:$dst), (ins GPR:$false, so_imm:$true), DPFrm,
1150 "mov", " $dst, $true",
1151 [/*(set GPR:$dst, (ARMcmov GPR:$false, so_imm:$true, imm:$cc, CCR:$ccr))*/]>,
1152 RegConstraint<"$false = $dst">, UnaryDP;
1155 // LEApcrel - Load a pc-relative address into a register without offending the
1157 def LEApcrel : AXI1<0x0, (outs GPR:$dst), (ins i32imm:$label, pred:$p), Pseudo,
1158 !strconcat(!strconcat(".set PCRELV${:uid}, ($label-(",
1159 "${:private}PCRELL${:uid}+8))\n"),
1160 !strconcat("${:private}PCRELL${:uid}:\n\t",
1161 "add$p $dst, pc, #PCRELV${:uid}")),
1164 def LEApcrelJT : AXI1<0x0, (outs GPR:$dst), (ins i32imm:$label, i32imm:$id, pred:$p),
1166 !strconcat(!strconcat(".set PCRELV${:uid}, (${label}_${id:no_hash}-(",
1167 "${:private}PCRELL${:uid}+8))\n"),
1168 !strconcat("${:private}PCRELL${:uid}:\n\t",
1169 "add$p $dst, pc, #PCRELV${:uid}")),
1172 //===----------------------------------------------------------------------===//
1176 // __aeabi_read_tp preserves the registers r1-r3.
1178 Defs = [R0, R12, LR, CPSR] in {
1179 def TPsoft : AXI<0x0, (outs), (ins), BranchMisc,
1180 "bl __aeabi_read_tp",
1181 [(set R0, ARMthread_pointer)]>;
1184 //===----------------------------------------------------------------------===//
1185 // Non-Instruction Patterns
1188 // ConstantPool, GlobalAddress, and JumpTable
1189 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>;
1190 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
1191 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
1192 (LEApcrelJT tjumptable:$dst, imm:$id)>;
1194 // Large immediate handling.
1196 // Two piece so_imms.
1197 let isReMaterializable = 1 in
1198 def MOVi2pieces : AI1x2<0x0, (outs GPR:$dst), (ins so_imm2part:$src), DPFrm,
1199 "mov", " $dst, $src",
1200 [(set GPR:$dst, so_imm2part:$src)]>, UnaryDP;
1202 def : ARMPat<(or GPR:$LHS, so_imm2part:$RHS),
1203 (ORRri (ORRri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
1204 (so_imm2part_2 imm:$RHS))>;
1205 def : ARMPat<(xor GPR:$LHS, so_imm2part:$RHS),
1206 (EORri (EORri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
1207 (so_imm2part_2 imm:$RHS))>;
1209 // TODO: add,sub,and, 3-instr forms?
1213 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>;
1215 // zextload i1 -> zextload i8
1216 def : ARMPat<(zextloadi1 addrmode2:$addr), (LDRB addrmode2:$addr)>;
1218 // extload -> zextload
1219 def : ARMPat<(extloadi1 addrmode2:$addr), (LDRB addrmode2:$addr)>;
1220 def : ARMPat<(extloadi8 addrmode2:$addr), (LDRB addrmode2:$addr)>;
1221 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
1223 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
1224 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
1227 def : ARMV5TEPat<(mul (sra (shl GPR:$a, 16), 16), (sra (shl GPR:$b, 16), 16)),
1228 (SMULBB GPR:$a, GPR:$b)>;
1229 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
1230 (SMULBB GPR:$a, GPR:$b)>;
1231 def : ARMV5TEPat<(mul (sra (shl GPR:$a, 16), 16), (sra GPR:$b, 16)),
1232 (SMULBT GPR:$a, GPR:$b)>;
1233 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, 16)),
1234 (SMULBT GPR:$a, GPR:$b)>;
1235 def : ARMV5TEPat<(mul (sra GPR:$a, 16), (sra (shl GPR:$b, 16), 16)),
1236 (SMULTB GPR:$a, GPR:$b)>;
1237 def : ARMV5TEPat<(mul (sra GPR:$a, 16), sext_16_node:$b),
1238 (SMULTB GPR:$a, GPR:$b)>;
1239 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, 16), 16)), 16),
1240 (SMULWB GPR:$a, GPR:$b)>;
1241 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), 16),
1242 (SMULWB GPR:$a, GPR:$b)>;
1244 def : ARMV5TEPat<(add GPR:$acc,
1245 (mul (sra (shl GPR:$a, 16), 16),
1246 (sra (shl GPR:$b, 16), 16))),
1247 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
1248 def : ARMV5TEPat<(add GPR:$acc,
1249 (mul sext_16_node:$a, sext_16_node:$b)),
1250 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
1251 def : ARMV5TEPat<(add GPR:$acc,
1252 (mul (sra (shl GPR:$a, 16), 16), (sra GPR:$b, 16))),
1253 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
1254 def : ARMV5TEPat<(add GPR:$acc,
1255 (mul sext_16_node:$a, (sra GPR:$b, 16))),
1256 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
1257 def : ARMV5TEPat<(add GPR:$acc,
1258 (mul (sra GPR:$a, 16), (sra (shl GPR:$b, 16), 16))),
1259 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
1260 def : ARMV5TEPat<(add GPR:$acc,
1261 (mul (sra GPR:$a, 16), sext_16_node:$b)),
1262 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
1263 def : ARMV5TEPat<(add GPR:$acc,
1264 (sra (mul GPR:$a, (sra (shl GPR:$b, 16), 16)), 16)),
1265 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
1266 def : ARMV5TEPat<(add GPR:$acc,
1267 (sra (mul GPR:$a, sext_16_node:$b), 16)),
1268 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
1270 //===----------------------------------------------------------------------===//
1274 include "ARMInstrThumb.td"
1276 //===----------------------------------------------------------------------===//
1277 // Floating Point Support
1280 include "ARMInstrVFP.td"