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_ARMBr2JT : SDTypeProfile<0, 4,
38 [SDTCisPtrTy<0>, SDTCisVT<1, i32>,
39 SDTCisVT<2, i32>, SDTCisVT<3, i32>]>;
41 def SDT_ARMCmp : SDTypeProfile<0, 2, [SDTCisSameAs<0, 1>]>;
43 def SDT_ARMPICAdd : SDTypeProfile<1, 2, [SDTCisSameAs<0, 1>,
44 SDTCisPtrTy<1>, SDTCisVT<2, i32>]>;
46 def SDT_ARMThreadPointer : SDTypeProfile<1, 0, [SDTCisPtrTy<0>]>;
47 def SDT_ARMEH_SJLJ_Setjmp : SDTypeProfile<1, 1, [SDTCisInt<0>, SDTCisPtrTy<1>]>;
50 def ARMWrapper : SDNode<"ARMISD::Wrapper", SDTIntUnaryOp>;
51 def ARMWrapperJT : SDNode<"ARMISD::WrapperJT", SDTIntBinOp>;
53 def ARMcallseq_start : SDNode<"ISD::CALLSEQ_START", SDT_ARMCallSeqStart,
54 [SDNPHasChain, SDNPOutFlag]>;
55 def ARMcallseq_end : SDNode<"ISD::CALLSEQ_END", SDT_ARMCallSeqEnd,
56 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
58 def ARMcall : SDNode<"ARMISD::CALL", SDT_ARMcall,
59 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
60 def ARMcall_pred : SDNode<"ARMISD::CALL_PRED", SDT_ARMcall,
61 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
62 def ARMcall_nolink : SDNode<"ARMISD::CALL_NOLINK", SDT_ARMcall,
63 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
65 def ARMretflag : SDNode<"ARMISD::RET_FLAG", SDTNone,
66 [SDNPHasChain, SDNPOptInFlag]>;
68 def ARMcmov : SDNode<"ARMISD::CMOV", SDT_ARMCMov,
70 def ARMcneg : SDNode<"ARMISD::CNEG", SDT_ARMCMov,
73 def ARMbrcond : SDNode<"ARMISD::BRCOND", SDT_ARMBrcond,
74 [SDNPHasChain, SDNPInFlag, SDNPOutFlag]>;
76 def ARMbrjt : SDNode<"ARMISD::BR_JT", SDT_ARMBrJT,
78 def ARMbr2jt : SDNode<"ARMISD::BR2_JT", SDT_ARMBr2JT,
81 def ARMcmp : SDNode<"ARMISD::CMP", SDT_ARMCmp,
84 def ARMcmpZ : SDNode<"ARMISD::CMPZ", SDT_ARMCmp,
85 [SDNPOutFlag,SDNPCommutative]>;
87 def ARMpic_add : SDNode<"ARMISD::PIC_ADD", SDT_ARMPICAdd>;
89 def ARMsrl_flag : SDNode<"ARMISD::SRL_FLAG", SDTIntUnaryOp, [SDNPOutFlag]>;
90 def ARMsra_flag : SDNode<"ARMISD::SRA_FLAG", SDTIntUnaryOp, [SDNPOutFlag]>;
91 def ARMrrx : SDNode<"ARMISD::RRX" , SDTIntUnaryOp, [SDNPInFlag ]>;
93 def ARMthread_pointer: SDNode<"ARMISD::THREAD_POINTER", SDT_ARMThreadPointer>;
94 def ARMeh_sjlj_setjmp: SDNode<"ARMISD::EH_SJLJ_SETJMP", SDT_ARMEH_SJLJ_Setjmp>;
96 //===----------------------------------------------------------------------===//
97 // ARM Instruction Predicate Definitions.
99 def HasV5T : Predicate<"Subtarget->hasV5TOps()">;
100 def HasV5TE : Predicate<"Subtarget->hasV5TEOps()">;
101 def HasV6 : Predicate<"Subtarget->hasV6Ops()">;
102 def HasV6T2 : Predicate<"Subtarget->hasV6T2Ops()">;
103 def NoV6T2 : Predicate<"!Subtarget->hasV6T2Ops()">;
104 def HasV7 : Predicate<"Subtarget->hasV7Ops()">;
105 def HasVFP2 : Predicate<"Subtarget->hasVFP2()">;
106 def HasVFP3 : Predicate<"Subtarget->hasVFP3()">;
107 def HasNEON : Predicate<"Subtarget->hasNEON()">;
108 def UseNEONForFP : Predicate<"Subtarget->useNEONForSinglePrecisionFP()">;
109 def DontUseNEONForFP : Predicate<"!Subtarget->useNEONForSinglePrecisionFP()">;
110 def IsThumb : Predicate<"Subtarget->isThumb()">;
111 def IsThumb1Only : Predicate<"Subtarget->isThumb1Only()">;
112 def IsThumb2 : Predicate<"Subtarget->isThumb2()">;
113 def IsARM : Predicate<"!Subtarget->isThumb()">;
114 def IsDarwin : Predicate<"Subtarget->isTargetDarwin()">;
115 def IsNotDarwin : Predicate<"!Subtarget->isTargetDarwin()">;
116 def CarryDefIsUnused : Predicate<"!N.getNode()->hasAnyUseOfValue(1)">;
117 def CarryDefIsUsed : Predicate<"N.getNode()->hasAnyUseOfValue(1)">;
119 //===----------------------------------------------------------------------===//
120 // ARM Flag Definitions.
122 class RegConstraint<string C> {
123 string Constraints = C;
126 //===----------------------------------------------------------------------===//
127 // ARM specific transformation functions and pattern fragments.
130 // so_imm_neg_XFORM - Return a so_imm value packed into the format described for
131 // so_imm_neg def below.
132 def so_imm_neg_XFORM : SDNodeXForm<imm, [{
133 return CurDAG->getTargetConstant(-(int)N->getZExtValue(), MVT::i32);
136 // so_imm_not_XFORM - Return a so_imm value packed into the format described for
137 // so_imm_not def below.
138 def so_imm_not_XFORM : SDNodeXForm<imm, [{
139 return CurDAG->getTargetConstant(~(int)N->getZExtValue(), MVT::i32);
142 // rot_imm predicate - True if the 32-bit immediate is equal to 8, 16, or 24.
143 def rot_imm : PatLeaf<(i32 imm), [{
144 int32_t v = (int32_t)N->getZExtValue();
145 return v == 8 || v == 16 || v == 24;
148 /// imm1_15 predicate - True if the 32-bit immediate is in the range [1,15].
149 def imm1_15 : PatLeaf<(i32 imm), [{
150 return (int32_t)N->getZExtValue() >= 1 && (int32_t)N->getZExtValue() < 16;
153 /// imm16_31 predicate - True if the 32-bit immediate is in the range [16,31].
154 def imm16_31 : PatLeaf<(i32 imm), [{
155 return (int32_t)N->getZExtValue() >= 16 && (int32_t)N->getZExtValue() < 32;
160 return ARM_AM::getSOImmVal(-(int)N->getZExtValue()) != -1;
161 }], so_imm_neg_XFORM>;
165 return ARM_AM::getSOImmVal(~(int)N->getZExtValue()) != -1;
166 }], so_imm_not_XFORM>;
168 // sext_16_node predicate - True if the SDNode is sign-extended 16 or more bits.
169 def sext_16_node : PatLeaf<(i32 GPR:$a), [{
170 return CurDAG->ComputeNumSignBits(SDValue(N,0)) >= 17;
173 /// bf_inv_mask_imm predicate - An AND mask to clear an arbitrary width bitfield
175 def bf_inv_mask_imm : Operand<i32>,
177 uint32_t v = (uint32_t)N->getZExtValue();
180 // there can be 1's on either or both "outsides", all the "inside"
182 unsigned int lsb = 0, msb = 31;
183 while (v & (1 << msb)) --msb;
184 while (v & (1 << lsb)) ++lsb;
185 for (unsigned int i = lsb; i <= msb; ++i) {
191 let PrintMethod = "printBitfieldInvMaskImmOperand";
194 /// Split a 32-bit immediate into two 16 bit parts.
195 def lo16 : SDNodeXForm<imm, [{
196 return CurDAG->getTargetConstant((uint32_t)N->getZExtValue() & 0xffff,
200 def hi16 : SDNodeXForm<imm, [{
201 return CurDAG->getTargetConstant((uint32_t)N->getZExtValue() >> 16, MVT::i32);
204 def lo16AllZero : PatLeaf<(i32 imm), [{
205 // Returns true if all low 16-bits are 0.
206 return (((uint32_t)N->getZExtValue()) & 0xFFFFUL) == 0;
209 /// imm0_65535 predicate - True if the 32-bit immediate is in the range
211 def imm0_65535 : PatLeaf<(i32 imm), [{
212 return (uint32_t)N->getZExtValue() < 65536;
215 class BinOpFrag<dag res> : PatFrag<(ops node:$LHS, node:$RHS), res>;
216 class UnOpFrag <dag res> : PatFrag<(ops node:$Src), res>;
218 //===----------------------------------------------------------------------===//
219 // Operand Definitions.
223 def brtarget : Operand<OtherVT>;
225 // A list of registers separated by comma. Used by load/store multiple.
226 def reglist : Operand<i32> {
227 let PrintMethod = "printRegisterList";
230 // An operand for the CONSTPOOL_ENTRY pseudo-instruction.
231 def cpinst_operand : Operand<i32> {
232 let PrintMethod = "printCPInstOperand";
235 def jtblock_operand : Operand<i32> {
236 let PrintMethod = "printJTBlockOperand";
238 def jt2block_operand : Operand<i32> {
239 let PrintMethod = "printJT2BlockOperand";
243 def pclabel : Operand<i32> {
244 let PrintMethod = "printPCLabel";
247 // shifter_operand operands: so_reg and so_imm.
248 def so_reg : Operand<i32>, // reg reg imm
249 ComplexPattern<i32, 3, "SelectShifterOperandReg",
250 [shl,srl,sra,rotr]> {
251 let PrintMethod = "printSORegOperand";
252 let MIOperandInfo = (ops GPR, GPR, i32imm);
255 // so_imm - Match a 32-bit shifter_operand immediate operand, which is an
256 // 8-bit immediate rotated by an arbitrary number of bits. so_imm values are
257 // represented in the imm field in the same 12-bit form that they are encoded
258 // into so_imm instructions: the 8-bit immediate is the least significant bits
259 // [bits 0-7], the 4-bit shift amount is the next 4 bits [bits 8-11].
260 def so_imm : Operand<i32>,
262 return ARM_AM::getSOImmVal(N->getZExtValue()) != -1;
264 let PrintMethod = "printSOImmOperand";
267 // Break so_imm's up into two pieces. This handles immediates with up to 16
268 // bits set in them. This uses so_imm2part to match and so_imm2part_[12] to
269 // get the first/second pieces.
270 def so_imm2part : Operand<i32>,
272 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
274 let PrintMethod = "printSOImm2PartOperand";
277 def so_imm2part_1 : SDNodeXForm<imm, [{
278 unsigned V = ARM_AM::getSOImmTwoPartFirst((unsigned)N->getZExtValue());
279 return CurDAG->getTargetConstant(V, MVT::i32);
282 def so_imm2part_2 : SDNodeXForm<imm, [{
283 unsigned V = ARM_AM::getSOImmTwoPartSecond((unsigned)N->getZExtValue());
284 return CurDAG->getTargetConstant(V, MVT::i32);
288 // Define ARM specific addressing modes.
290 // addrmode2 := reg +/- reg shop imm
291 // addrmode2 := reg +/- imm12
293 def addrmode2 : Operand<i32>,
294 ComplexPattern<i32, 3, "SelectAddrMode2", []> {
295 let PrintMethod = "printAddrMode2Operand";
296 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
299 def am2offset : Operand<i32>,
300 ComplexPattern<i32, 2, "SelectAddrMode2Offset", []> {
301 let PrintMethod = "printAddrMode2OffsetOperand";
302 let MIOperandInfo = (ops GPR, i32imm);
305 // addrmode3 := reg +/- reg
306 // addrmode3 := reg +/- imm8
308 def addrmode3 : Operand<i32>,
309 ComplexPattern<i32, 3, "SelectAddrMode3", []> {
310 let PrintMethod = "printAddrMode3Operand";
311 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
314 def am3offset : Operand<i32>,
315 ComplexPattern<i32, 2, "SelectAddrMode3Offset", []> {
316 let PrintMethod = "printAddrMode3OffsetOperand";
317 let MIOperandInfo = (ops GPR, i32imm);
320 // addrmode4 := reg, <mode|W>
322 def addrmode4 : Operand<i32>,
323 ComplexPattern<i32, 2, "SelectAddrMode4", []> {
324 let PrintMethod = "printAddrMode4Operand";
325 let MIOperandInfo = (ops GPR, i32imm);
328 // addrmode5 := reg +/- imm8*4
330 def addrmode5 : Operand<i32>,
331 ComplexPattern<i32, 2, "SelectAddrMode5", []> {
332 let PrintMethod = "printAddrMode5Operand";
333 let MIOperandInfo = (ops GPR, i32imm);
336 // addrmode6 := reg with optional writeback
338 def addrmode6 : Operand<i32>,
339 ComplexPattern<i32, 3, "SelectAddrMode6", []> {
340 let PrintMethod = "printAddrMode6Operand";
341 let MIOperandInfo = (ops GPR:$addr, GPR:$upd, i32imm);
344 // addrmodepc := pc + reg
346 def addrmodepc : Operand<i32>,
347 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
348 let PrintMethod = "printAddrModePCOperand";
349 let MIOperandInfo = (ops GPR, i32imm);
352 def nohash_imm : Operand<i32> {
353 let PrintMethod = "printNoHashImmediate";
356 //===----------------------------------------------------------------------===//
358 include "ARMInstrFormats.td"
360 //===----------------------------------------------------------------------===//
361 // Multiclass helpers...
364 /// AsI1_bin_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns for a
365 /// binop that produces a value.
366 multiclass AsI1_bin_irs<bits<4> opcod, string opc, PatFrag opnode,
367 bit Commutable = 0> {
368 def ri : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
369 IIC_iALUi, opc, " $dst, $a, $b",
370 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]> {
373 def rr : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
374 IIC_iALUr, opc, " $dst, $a, $b",
375 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]> {
377 let isCommutable = Commutable;
379 def rs : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
380 IIC_iALUsr, opc, " $dst, $a, $b",
381 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]> {
386 /// AI1_bin_s_irs - Similar to AsI1_bin_irs except it sets the 's' bit so the
387 /// instruction modifies the CPSR register.
388 let Defs = [CPSR] in {
389 multiclass AI1_bin_s_irs<bits<4> opcod, string opc, PatFrag opnode,
390 bit Commutable = 0> {
391 def ri : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
392 IIC_iALUi, opc, "s $dst, $a, $b",
393 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]> {
396 def rr : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
397 IIC_iALUr, opc, "s $dst, $a, $b",
398 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]> {
399 let isCommutable = Commutable;
402 def rs : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
403 IIC_iALUsr, opc, "s $dst, $a, $b",
404 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]> {
410 /// AI1_cmp_irs - Defines a set of (op r, {so_imm|r|so_reg}) cmp / test
411 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
412 /// a explicit result, only implicitly set CPSR.
413 let Defs = [CPSR] in {
414 multiclass AI1_cmp_irs<bits<4> opcod, string opc, PatFrag opnode,
415 bit Commutable = 0> {
416 def ri : AI1<opcod, (outs), (ins GPR:$a, so_imm:$b), DPFrm, IIC_iCMPi,
418 [(opnode GPR:$a, so_imm:$b)]> {
421 def rr : AI1<opcod, (outs), (ins GPR:$a, GPR:$b), DPFrm, IIC_iCMPr,
423 [(opnode GPR:$a, GPR:$b)]> {
425 let isCommutable = Commutable;
427 def rs : AI1<opcod, (outs), (ins GPR:$a, so_reg:$b), DPSoRegFrm, IIC_iCMPsr,
429 [(opnode GPR:$a, so_reg:$b)]> {
435 /// AI_unary_rrot - A unary operation with two forms: one whose operand is a
436 /// register and one whose operand is a register rotated by 8/16/24.
437 /// FIXME: Remove the 'r' variant. Its rot_imm is zero.
438 multiclass AI_unary_rrot<bits<8> opcod, string opc, PatFrag opnode> {
439 def r : AExtI<opcod, (outs GPR:$dst), (ins GPR:$src),
440 IIC_iUNAr, opc, " $dst, $src",
441 [(set GPR:$dst, (opnode GPR:$src))]>,
442 Requires<[IsARM, HasV6]> {
443 let Inst{19-16} = 0b1111;
445 def r_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$src, i32imm:$rot),
446 IIC_iUNAsi, opc, " $dst, $src, ror $rot",
447 [(set GPR:$dst, (opnode (rotr GPR:$src, rot_imm:$rot)))]>,
448 Requires<[IsARM, HasV6]> {
449 let Inst{19-16} = 0b1111;
453 /// AI_bin_rrot - A binary operation with two forms: one whose operand is a
454 /// register and one whose operand is a register rotated by 8/16/24.
455 multiclass AI_bin_rrot<bits<8> opcod, string opc, PatFrag opnode> {
456 def rr : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS),
457 IIC_iALUr, opc, " $dst, $LHS, $RHS",
458 [(set GPR:$dst, (opnode GPR:$LHS, GPR:$RHS))]>,
459 Requires<[IsARM, HasV6]>;
460 def rr_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS, i32imm:$rot),
461 IIC_iALUsi, opc, " $dst, $LHS, $RHS, ror $rot",
462 [(set GPR:$dst, (opnode GPR:$LHS,
463 (rotr GPR:$RHS, rot_imm:$rot)))]>,
464 Requires<[IsARM, HasV6]>;
467 /// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
468 let Uses = [CPSR] in {
469 multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode,
470 bit Commutable = 0> {
471 def ri : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
472 DPFrm, IIC_iALUi, opc, " $dst, $a, $b",
473 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]>,
474 Requires<[IsARM, CarryDefIsUnused]> {
477 def rr : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
478 DPFrm, IIC_iALUr, opc, " $dst, $a, $b",
479 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]>,
480 Requires<[IsARM, CarryDefIsUnused]> {
481 let isCommutable = Commutable;
484 def rs : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
485 DPSoRegFrm, IIC_iALUsr, opc, " $dst, $a, $b",
486 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]>,
487 Requires<[IsARM, CarryDefIsUnused]> {
490 // Carry setting variants
491 def Sri : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
492 DPFrm, IIC_iALUi, !strconcat(opc, "s $dst, $a, $b"),
493 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]>,
494 Requires<[IsARM, CarryDefIsUsed]> {
498 def Srr : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
499 DPFrm, IIC_iALUr, !strconcat(opc, "s $dst, $a, $b"),
500 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]>,
501 Requires<[IsARM, CarryDefIsUsed]> {
505 def Srs : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
506 DPSoRegFrm, IIC_iALUsr, !strconcat(opc, "s $dst, $a, $b"),
507 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]>,
508 Requires<[IsARM, CarryDefIsUsed]> {
515 //===----------------------------------------------------------------------===//
517 //===----------------------------------------------------------------------===//
519 //===----------------------------------------------------------------------===//
520 // Miscellaneous Instructions.
523 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
524 /// the function. The first operand is the ID# for this instruction, the second
525 /// is the index into the MachineConstantPool that this is, the third is the
526 /// size in bytes of this constant pool entry.
527 let neverHasSideEffects = 1, isNotDuplicable = 1 in
528 def CONSTPOOL_ENTRY :
529 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
530 i32imm:$size), NoItinerary,
531 "${instid:label} ${cpidx:cpentry}", []>;
533 let Defs = [SP], Uses = [SP] in {
535 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary,
536 "@ ADJCALLSTACKUP $amt1",
537 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
539 def ADJCALLSTACKDOWN :
540 PseudoInst<(outs), (ins i32imm:$amt, pred:$p), NoItinerary,
541 "@ ADJCALLSTACKDOWN $amt",
542 [(ARMcallseq_start timm:$amt)]>;
546 PseudoInst<(outs), (ins i32imm:$line, i32imm:$col, i32imm:$file), NoItinerary,
547 ".loc $file, $line, $col",
548 [(dwarf_loc (i32 imm:$line), (i32 imm:$col), (i32 imm:$file))]>;
551 // Address computation and loads and stores in PIC mode.
552 let isNotDuplicable = 1 in {
553 def PICADD : AXI1<0b0100, (outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
554 Pseudo, IIC_iALUr, "\n$cp:\n\tadd$p $dst, pc, $a",
555 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
557 let AddedComplexity = 10 in {
558 let canFoldAsLoad = 1 in
559 def PICLDR : AXI2ldw<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
560 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldr$p $dst, $addr",
561 [(set GPR:$dst, (load addrmodepc:$addr))]>;
563 def PICLDRH : AXI3ldh<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
564 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldr${p}h $dst, $addr",
565 [(set GPR:$dst, (zextloadi16 addrmodepc:$addr))]>;
567 def PICLDRB : AXI2ldb<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
568 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldr${p}b $dst, $addr",
569 [(set GPR:$dst, (zextloadi8 addrmodepc:$addr))]>;
571 def PICLDRSH : AXI3ldsh<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
572 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldr${p}sh $dst, $addr",
573 [(set GPR:$dst, (sextloadi16 addrmodepc:$addr))]>;
575 def PICLDRSB : AXI3ldsb<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
576 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldr${p}sb $dst, $addr",
577 [(set GPR:$dst, (sextloadi8 addrmodepc:$addr))]>;
579 let AddedComplexity = 10 in {
580 def PICSTR : AXI2stw<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
581 Pseudo, IIC_iStorer, "\n${addr:label}:\n\tstr$p $src, $addr",
582 [(store GPR:$src, addrmodepc:$addr)]>;
584 def PICSTRH : AXI3sth<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
585 Pseudo, IIC_iStorer, "\n${addr:label}:\n\tstr${p}h $src, $addr",
586 [(truncstorei16 GPR:$src, addrmodepc:$addr)]>;
588 def PICSTRB : AXI2stb<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
589 Pseudo, IIC_iStorer, "\n${addr:label}:\n\tstr${p}b $src, $addr",
590 [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
592 } // isNotDuplicable = 1
595 // LEApcrel - Load a pc-relative address into a register without offending the
597 def LEApcrel : AXI1<0x0, (outs GPR:$dst), (ins i32imm:$label, pred:$p),
599 !strconcat(!strconcat(".set ${:private}PCRELV${:uid}, ($label-(",
600 "${:private}PCRELL${:uid}+8))\n"),
601 !strconcat("${:private}PCRELL${:uid}:\n\t",
602 "add$p $dst, pc, #${:private}PCRELV${:uid}")),
605 def LEApcrelJT : AXI1<0x0, (outs GPR:$dst),
606 (ins i32imm:$label, nohash_imm:$id, pred:$p),
608 !strconcat(!strconcat(".set ${:private}PCRELV${:uid}, "
610 "${:private}PCRELL${:uid}+8))\n"),
611 !strconcat("${:private}PCRELL${:uid}:\n\t",
612 "add$p $dst, pc, #${:private}PCRELV${:uid}")),
617 //===----------------------------------------------------------------------===//
618 // Control Flow Instructions.
621 let isReturn = 1, isTerminator = 1, isBarrier = 1 in
622 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
623 "bx", " lr", [(ARMretflag)]> {
624 let Inst{7-4} = 0b0001;
625 let Inst{19-8} = 0b111111111111;
626 let Inst{27-20} = 0b00010010;
629 // FIXME: remove when we have a way to marking a MI with these properties.
630 // FIXME: Should pc be an implicit operand like PICADD, etc?
631 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
632 hasExtraDefRegAllocReq = 1 in
633 def LDM_RET : AXI4ld<(outs),
634 (ins addrmode4:$addr, pred:$p, reglist:$wb, variable_ops),
635 LdStMulFrm, IIC_Br, "ldm${p}${addr:submode} $addr, $wb",
638 // On non-Darwin platforms R9 is callee-saved.
640 Defs = [R0, R1, R2, R3, R12, LR,
641 D0, D1, D2, D3, D4, D5, D6, D7,
642 D16, D17, D18, D19, D20, D21, D22, D23,
643 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR] in {
644 def BL : ABXI<0b1011, (outs), (ins i32imm:$func, variable_ops),
645 IIC_Br, "bl ${func:call}",
646 [(ARMcall tglobaladdr:$func)]>,
647 Requires<[IsARM, IsNotDarwin]>;
649 def BL_pred : ABI<0b1011, (outs), (ins i32imm:$func, variable_ops),
650 IIC_Br, "bl", " ${func:call}",
651 [(ARMcall_pred tglobaladdr:$func)]>,
652 Requires<[IsARM, IsNotDarwin]>;
655 def BLX : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
657 [(ARMcall GPR:$func)]>,
658 Requires<[IsARM, HasV5T, IsNotDarwin]> {
659 let Inst{7-4} = 0b0011;
660 let Inst{19-8} = 0b111111111111;
661 let Inst{27-20} = 0b00010010;
665 def BX : ABXIx2<(outs), (ins GPR:$func, variable_ops),
666 IIC_Br, "mov lr, pc\n\tbx $func",
667 [(ARMcall_nolink GPR:$func)]>,
668 Requires<[IsARM, IsNotDarwin]> {
669 let Inst{7-4} = 0b0001;
670 let Inst{19-8} = 0b111111111111;
671 let Inst{27-20} = 0b00010010;
675 // On Darwin R9 is call-clobbered.
677 Defs = [R0, R1, R2, R3, R9, R12, LR,
678 D0, D1, D2, D3, D4, D5, D6, D7,
679 D16, D17, D18, D19, D20, D21, D22, D23,
680 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR] in {
681 def BLr9 : ABXI<0b1011, (outs), (ins i32imm:$func, variable_ops),
682 IIC_Br, "bl ${func:call}",
683 [(ARMcall tglobaladdr:$func)]>, Requires<[IsARM, IsDarwin]>;
685 def BLr9_pred : ABI<0b1011, (outs), (ins i32imm:$func, variable_ops),
686 IIC_Br, "bl", " ${func:call}",
687 [(ARMcall_pred tglobaladdr:$func)]>,
688 Requires<[IsARM, IsDarwin]>;
691 def BLXr9 : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
693 [(ARMcall GPR:$func)]>, Requires<[IsARM, HasV5T, IsDarwin]> {
694 let Inst{7-4} = 0b0011;
695 let Inst{19-8} = 0b111111111111;
696 let Inst{27-20} = 0b00010010;
700 def BXr9 : ABXIx2<(outs), (ins GPR:$func, variable_ops),
701 IIC_Br, "mov lr, pc\n\tbx $func",
702 [(ARMcall_nolink GPR:$func)]>, Requires<[IsARM, IsDarwin]> {
703 let Inst{7-4} = 0b0001;
704 let Inst{19-8} = 0b111111111111;
705 let Inst{27-20} = 0b00010010;
709 let isBranch = 1, isTerminator = 1 in {
710 // B is "predicable" since it can be xformed into a Bcc.
711 let isBarrier = 1 in {
712 let isPredicable = 1 in
713 def B : ABXI<0b1010, (outs), (ins brtarget:$target), IIC_Br,
714 "b $target", [(br bb:$target)]>;
716 let isNotDuplicable = 1, isIndirectBranch = 1 in {
717 def BR_JTr : JTI<(outs), (ins GPR:$target, jtblock_operand:$jt, i32imm:$id),
718 IIC_Br, "mov pc, $target \n$jt",
719 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]> {
720 let Inst{20} = 0; // S Bit
721 let Inst{24-21} = 0b1101;
722 let Inst{27-25} = 0b000;
724 def BR_JTm : JTI<(outs),
725 (ins addrmode2:$target, jtblock_operand:$jt, i32imm:$id),
726 IIC_Br, "ldr pc, $target \n$jt",
727 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
729 let Inst{20} = 1; // L bit
730 let Inst{21} = 0; // W bit
731 let Inst{22} = 0; // B bit
732 let Inst{24} = 1; // P bit
733 let Inst{27-25} = 0b011;
735 def BR_JTadd : JTI<(outs),
736 (ins GPR:$target, GPR:$idx, jtblock_operand:$jt, i32imm:$id),
737 IIC_Br, "add pc, $target, $idx \n$jt",
738 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
740 let Inst{20} = 0; // S bit
741 let Inst{24-21} = 0b0100;
742 let Inst{27-25} = 0b000;
744 } // isNotDuplicable = 1, isIndirectBranch = 1
747 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
748 // a two-value operand where a dag node expects two operands. :(
749 def Bcc : ABI<0b1010, (outs), (ins brtarget:$target),
750 IIC_Br, "b", " $target",
751 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]>;
754 //===----------------------------------------------------------------------===//
755 // Load / store Instructions.
759 let canFoldAsLoad = 1 in
760 def LDR : AI2ldw<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm, IIC_iLoadr,
761 "ldr", " $dst, $addr",
762 [(set GPR:$dst, (load addrmode2:$addr))]>;
764 // Special LDR for loads from non-pc-relative constpools.
765 let canFoldAsLoad = 1, mayLoad = 1, isReMaterializable = 1 in
766 def LDRcp : AI2ldw<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm, IIC_iLoadr,
767 "ldr", " $dst, $addr", []>;
769 // Loads with zero extension
770 def LDRH : AI3ldh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
771 IIC_iLoadr, "ldr", "h $dst, $addr",
772 [(set GPR:$dst, (zextloadi16 addrmode3:$addr))]>;
774 def LDRB : AI2ldb<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm,
775 IIC_iLoadr, "ldr", "b $dst, $addr",
776 [(set GPR:$dst, (zextloadi8 addrmode2:$addr))]>;
778 // Loads with sign extension
779 def LDRSH : AI3ldsh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
780 IIC_iLoadr, "ldr", "sh $dst, $addr",
781 [(set GPR:$dst, (sextloadi16 addrmode3:$addr))]>;
783 def LDRSB : AI3ldsb<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
784 IIC_iLoadr, "ldr", "sb $dst, $addr",
785 [(set GPR:$dst, (sextloadi8 addrmode3:$addr))]>;
787 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in {
789 def LDRD : AI3ldd<(outs GPR:$dst1, GPR:$dst2), (ins addrmode3:$addr), LdMiscFrm,
790 IIC_iLoadr, "ldr", "d $dst1, $addr",
791 []>, Requires<[IsARM, HasV5TE]>;
794 def LDR_PRE : AI2ldwpr<(outs GPR:$dst, GPR:$base_wb),
795 (ins addrmode2:$addr), LdFrm, IIC_iLoadru,
796 "ldr", " $dst, $addr!", "$addr.base = $base_wb", []>;
798 def LDR_POST : AI2ldwpo<(outs GPR:$dst, GPR:$base_wb),
799 (ins GPR:$base, am2offset:$offset), LdFrm, IIC_iLoadru,
800 "ldr", " $dst, [$base], $offset", "$base = $base_wb", []>;
802 def LDRH_PRE : AI3ldhpr<(outs GPR:$dst, GPR:$base_wb),
803 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadru,
804 "ldr", "h $dst, $addr!", "$addr.base = $base_wb", []>;
806 def LDRH_POST : AI3ldhpo<(outs GPR:$dst, GPR:$base_wb),
807 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
808 "ldr", "h $dst, [$base], $offset", "$base = $base_wb", []>;
810 def LDRB_PRE : AI2ldbpr<(outs GPR:$dst, GPR:$base_wb),
811 (ins addrmode2:$addr), LdFrm, IIC_iLoadru,
812 "ldr", "b $dst, $addr!", "$addr.base = $base_wb", []>;
814 def LDRB_POST : AI2ldbpo<(outs GPR:$dst, GPR:$base_wb),
815 (ins GPR:$base,am2offset:$offset), LdFrm, IIC_iLoadru,
816 "ldr", "b $dst, [$base], $offset", "$base = $base_wb", []>;
818 def LDRSH_PRE : AI3ldshpr<(outs GPR:$dst, GPR:$base_wb),
819 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadru,
820 "ldr", "sh $dst, $addr!", "$addr.base = $base_wb", []>;
822 def LDRSH_POST: AI3ldshpo<(outs GPR:$dst, GPR:$base_wb),
823 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
824 "ldr", "sh $dst, [$base], $offset", "$base = $base_wb", []>;
826 def LDRSB_PRE : AI3ldsbpr<(outs GPR:$dst, GPR:$base_wb),
827 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadru,
828 "ldr", "sb $dst, $addr!", "$addr.base = $base_wb", []>;
830 def LDRSB_POST: AI3ldsbpo<(outs GPR:$dst, GPR:$base_wb),
831 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
832 "ldr", "sb $dst, [$base], $offset", "$base = $base_wb", []>;
836 def STR : AI2stw<(outs), (ins GPR:$src, addrmode2:$addr), StFrm, IIC_iStorer,
837 "str", " $src, $addr",
838 [(store GPR:$src, addrmode2:$addr)]>;
840 // Stores with truncate
841 def STRH : AI3sth<(outs), (ins GPR:$src, addrmode3:$addr), StMiscFrm, IIC_iStorer,
842 "str", "h $src, $addr",
843 [(truncstorei16 GPR:$src, addrmode3:$addr)]>;
845 def STRB : AI2stb<(outs), (ins GPR:$src, addrmode2:$addr), StFrm, IIC_iStorer,
846 "str", "b $src, $addr",
847 [(truncstorei8 GPR:$src, addrmode2:$addr)]>;
850 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
851 def STRD : AI3std<(outs), (ins GPR:$src1, GPR:$src2, addrmode3:$addr),
852 StMiscFrm, IIC_iStorer,
853 "str", "d $src1, $addr", []>, Requires<[IsARM, HasV5TE]>;
856 def STR_PRE : AI2stwpr<(outs GPR:$base_wb),
857 (ins GPR:$src, GPR:$base, am2offset:$offset),
859 "str", " $src, [$base, $offset]!", "$base = $base_wb",
861 (pre_store GPR:$src, GPR:$base, am2offset:$offset))]>;
863 def STR_POST : AI2stwpo<(outs GPR:$base_wb),
864 (ins GPR:$src, GPR:$base,am2offset:$offset),
866 "str", " $src, [$base], $offset", "$base = $base_wb",
868 (post_store GPR:$src, GPR:$base, am2offset:$offset))]>;
870 def STRH_PRE : AI3sthpr<(outs GPR:$base_wb),
871 (ins GPR:$src, GPR:$base,am3offset:$offset),
872 StMiscFrm, IIC_iStoreru,
873 "str", "h $src, [$base, $offset]!", "$base = $base_wb",
875 (pre_truncsti16 GPR:$src, GPR:$base,am3offset:$offset))]>;
877 def STRH_POST: AI3sthpo<(outs GPR:$base_wb),
878 (ins GPR:$src, GPR:$base,am3offset:$offset),
879 StMiscFrm, IIC_iStoreru,
880 "str", "h $src, [$base], $offset", "$base = $base_wb",
881 [(set GPR:$base_wb, (post_truncsti16 GPR:$src,
882 GPR:$base, am3offset:$offset))]>;
884 def STRB_PRE : AI2stbpr<(outs GPR:$base_wb),
885 (ins GPR:$src, GPR:$base,am2offset:$offset),
887 "str", "b $src, [$base, $offset]!", "$base = $base_wb",
888 [(set GPR:$base_wb, (pre_truncsti8 GPR:$src,
889 GPR:$base, am2offset:$offset))]>;
891 def STRB_POST: AI2stbpo<(outs GPR:$base_wb),
892 (ins GPR:$src, GPR:$base,am2offset:$offset),
894 "str", "b $src, [$base], $offset", "$base = $base_wb",
895 [(set GPR:$base_wb, (post_truncsti8 GPR:$src,
896 GPR:$base, am2offset:$offset))]>;
898 //===----------------------------------------------------------------------===//
899 // Load / store multiple Instructions.
902 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
903 def LDM : AXI4ld<(outs),
904 (ins addrmode4:$addr, pred:$p, reglist:$wb, variable_ops),
905 LdStMulFrm, IIC_iLoadm, "ldm${p}${addr:submode} $addr, $wb",
908 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
909 def STM : AXI4st<(outs),
910 (ins addrmode4:$addr, pred:$p, reglist:$wb, variable_ops),
911 LdStMulFrm, IIC_iStorem, "stm${p}${addr:submode} $addr, $wb",
914 //===----------------------------------------------------------------------===//
915 // Move Instructions.
918 let neverHasSideEffects = 1 in
919 def MOVr : AsI1<0b1101, (outs GPR:$dst), (ins GPR:$src), DPFrm, IIC_iMOVr,
920 "mov", " $dst, $src", []>, UnaryDP;
921 def MOVs : AsI1<0b1101, (outs GPR:$dst), (ins so_reg:$src),
922 DPSoRegFrm, IIC_iMOVsr,
923 "mov", " $dst, $src", [(set GPR:$dst, so_reg:$src)]>, UnaryDP;
925 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
926 def MOVi : AsI1<0b1101, (outs GPR:$dst), (ins so_imm:$src), DPFrm, IIC_iMOVi,
927 "mov", " $dst, $src", [(set GPR:$dst, so_imm:$src)]>, UnaryDP {
931 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
932 def MOVi16 : AI1<0b1000, (outs GPR:$dst), (ins i32imm:$src),
934 "movw", " $dst, $src",
935 [(set GPR:$dst, imm0_65535:$src)]>,
936 Requires<[IsARM, HasV6T2]> {
940 let Constraints = "$src = $dst" in
941 def MOVTi16 : AI1<0b1010, (outs GPR:$dst), (ins GPR:$src, i32imm:$imm),
943 "movt", " $dst, $imm",
945 (or (and GPR:$src, 0xffff),
946 lo16AllZero:$imm))]>, UnaryDP,
947 Requires<[IsARM, HasV6T2]> {
952 def MOVrx : AsI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo, IIC_iMOVsi,
953 "mov", " $dst, $src, rrx",
954 [(set GPR:$dst, (ARMrrx GPR:$src))]>, UnaryDP;
956 // These aren't really mov instructions, but we have to define them this way
957 // due to flag operands.
959 let Defs = [CPSR] in {
960 def MOVsrl_flag : AI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo,
961 IIC_iMOVsi, "mov", "s $dst, $src, lsr #1",
962 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP;
963 def MOVsra_flag : AI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo,
964 IIC_iMOVsi, "mov", "s $dst, $src, asr #1",
965 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP;
968 //===----------------------------------------------------------------------===//
969 // Extend Instructions.
974 defm SXTB : AI_unary_rrot<0b01101010,
975 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
976 defm SXTH : AI_unary_rrot<0b01101011,
977 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
979 defm SXTAB : AI_bin_rrot<0b01101010,
980 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
981 defm SXTAH : AI_bin_rrot<0b01101011,
982 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
984 // TODO: SXT(A){B|H}16
988 let AddedComplexity = 16 in {
989 defm UXTB : AI_unary_rrot<0b01101110,
990 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
991 defm UXTH : AI_unary_rrot<0b01101111,
992 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
993 defm UXTB16 : AI_unary_rrot<0b01101100,
994 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
996 def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
997 (UXTB16r_rot GPR:$Src, 24)>;
998 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
999 (UXTB16r_rot GPR:$Src, 8)>;
1001 defm UXTAB : AI_bin_rrot<0b01101110, "uxtab",
1002 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
1003 defm UXTAH : AI_bin_rrot<0b01101111, "uxtah",
1004 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
1007 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
1008 //defm UXTAB16 : xxx<"uxtab16", 0xff00ff>;
1010 // TODO: UXT(A){B|H}16
1012 //===----------------------------------------------------------------------===//
1013 // Arithmetic Instructions.
1016 defm ADD : AsI1_bin_irs<0b0100, "add",
1017 BinOpFrag<(add node:$LHS, node:$RHS)>, 1>;
1018 defm SUB : AsI1_bin_irs<0b0010, "sub",
1019 BinOpFrag<(sub node:$LHS, node:$RHS)>>;
1021 // ADD and SUB with 's' bit set.
1022 defm ADDS : AI1_bin_s_irs<0b0100, "add",
1023 BinOpFrag<(addc node:$LHS, node:$RHS)>>;
1024 defm SUBS : AI1_bin_s_irs<0b0010, "sub",
1025 BinOpFrag<(subc node:$LHS, node:$RHS)>>;
1027 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
1028 BinOpFrag<(adde node:$LHS, node:$RHS)>, 1>;
1029 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
1030 BinOpFrag<(sube node:$LHS, node:$RHS)>>;
1032 // These don't define reg/reg forms, because they are handled above.
1033 def RSBri : AsI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
1034 IIC_iALUi, "rsb", " $dst, $a, $b",
1035 [(set GPR:$dst, (sub so_imm:$b, GPR:$a))]> {
1039 def RSBrs : AsI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
1040 IIC_iALUsr, "rsb", " $dst, $a, $b",
1041 [(set GPR:$dst, (sub so_reg:$b, GPR:$a))]>;
1043 // RSB with 's' bit set.
1044 let Defs = [CPSR] in {
1045 def RSBSri : AI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
1046 IIC_iALUi, "rsb", "s $dst, $a, $b",
1047 [(set GPR:$dst, (subc so_imm:$b, GPR:$a))]> {
1050 def RSBSrs : AI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
1051 IIC_iALUsr, "rsb", "s $dst, $a, $b",
1052 [(set GPR:$dst, (subc so_reg:$b, GPR:$a))]>;
1055 let Uses = [CPSR] in {
1056 def RSCri : AsI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
1057 DPFrm, IIC_iALUi, "rsc", " $dst, $a, $b",
1058 [(set GPR:$dst, (sube so_imm:$b, GPR:$a))]>,
1059 Requires<[IsARM, CarryDefIsUnused]> {
1062 def RSCrs : AsI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
1063 DPSoRegFrm, IIC_iALUsr, "rsc", " $dst, $a, $b",
1064 [(set GPR:$dst, (sube so_reg:$b, GPR:$a))]>,
1065 Requires<[IsARM, CarryDefIsUnused]>;
1068 // FIXME: Allow these to be predicated.
1069 let Defs = [CPSR], Uses = [CPSR] in {
1070 def RSCSri : AXI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
1071 DPFrm, IIC_iALUi, "rscs $dst, $a, $b",
1072 [(set GPR:$dst, (sube so_imm:$b, GPR:$a))]>,
1073 Requires<[IsARM, CarryDefIsUnused]> {
1076 def RSCSrs : AXI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
1077 DPSoRegFrm, IIC_iALUsr, "rscs $dst, $a, $b",
1078 [(set GPR:$dst, (sube so_reg:$b, GPR:$a))]>,
1079 Requires<[IsARM, CarryDefIsUnused]>;
1082 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
1083 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
1084 (SUBri GPR:$src, so_imm_neg:$imm)>;
1086 //def : ARMPat<(addc GPR:$src, so_imm_neg:$imm),
1087 // (SUBSri GPR:$src, so_imm_neg:$imm)>;
1088 //def : ARMPat<(adde GPR:$src, so_imm_neg:$imm),
1089 // (SBCri GPR:$src, so_imm_neg:$imm)>;
1091 // Note: These are implemented in C++ code, because they have to generate
1092 // ADD/SUBrs instructions, which use a complex pattern that a xform function
1094 // (mul X, 2^n+1) -> (add (X << n), X)
1095 // (mul X, 2^n-1) -> (rsb X, (X << n))
1098 //===----------------------------------------------------------------------===//
1099 // Bitwise Instructions.
1102 defm AND : AsI1_bin_irs<0b0000, "and",
1103 BinOpFrag<(and node:$LHS, node:$RHS)>, 1>;
1104 defm ORR : AsI1_bin_irs<0b1100, "orr",
1105 BinOpFrag<(or node:$LHS, node:$RHS)>, 1>;
1106 defm EOR : AsI1_bin_irs<0b0001, "eor",
1107 BinOpFrag<(xor node:$LHS, node:$RHS)>, 1>;
1108 defm BIC : AsI1_bin_irs<0b1110, "bic",
1109 BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
1111 def BFC : I<(outs GPR:$dst), (ins GPR:$src, bf_inv_mask_imm:$imm),
1112 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iALUi,
1113 "bfc", " $dst, $imm", "$src = $dst",
1114 [(set GPR:$dst, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
1115 Requires<[IsARM, HasV6T2]> {
1116 let Inst{27-21} = 0b0111110;
1117 let Inst{6-0} = 0b0011111;
1120 def MVNr : AsI1<0b1111, (outs GPR:$dst), (ins GPR:$src), DPFrm, IIC_iMOVr,
1121 "mvn", " $dst, $src",
1122 [(set GPR:$dst, (not GPR:$src))]>, UnaryDP;
1123 def MVNs : AsI1<0b1111, (outs GPR:$dst), (ins so_reg:$src), DPSoRegFrm,
1124 IIC_iMOVsr, "mvn", " $dst, $src",
1125 [(set GPR:$dst, (not so_reg:$src))]>, UnaryDP;
1126 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
1127 def MVNi : AsI1<0b1111, (outs GPR:$dst), (ins so_imm:$imm), DPFrm,
1128 IIC_iMOVi, "mvn", " $dst, $imm",
1129 [(set GPR:$dst, so_imm_not:$imm)]>,UnaryDP {
1133 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
1134 (BICri GPR:$src, so_imm_not:$imm)>;
1136 //===----------------------------------------------------------------------===//
1137 // Multiply Instructions.
1140 let isCommutable = 1 in
1141 def MUL : AsMul1I<0b0000000, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1142 IIC_iMUL32, "mul", " $dst, $a, $b",
1143 [(set GPR:$dst, (mul GPR:$a, GPR:$b))]>;
1145 def MLA : AsMul1I<0b0000001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1146 IIC_iMAC32, "mla", " $dst, $a, $b, $c",
1147 [(set GPR:$dst, (add (mul GPR:$a, GPR:$b), GPR:$c))]>;
1149 def MLS : AMul1I<0b0000011, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1150 IIC_iMAC32, "mls", " $dst, $a, $b, $c",
1151 [(set GPR:$dst, (sub GPR:$c, (mul GPR:$a, GPR:$b)))]>,
1152 Requires<[IsARM, HasV6T2]>;
1154 // Extra precision multiplies with low / high results
1155 let neverHasSideEffects = 1 in {
1156 let isCommutable = 1 in {
1157 def SMULL : AsMul1I<0b0000110, (outs GPR:$ldst, GPR:$hdst),
1158 (ins GPR:$a, GPR:$b), IIC_iMUL64,
1159 "smull", " $ldst, $hdst, $a, $b", []>;
1161 def UMULL : AsMul1I<0b0000100, (outs GPR:$ldst, GPR:$hdst),
1162 (ins GPR:$a, GPR:$b), IIC_iMUL64,
1163 "umull", " $ldst, $hdst, $a, $b", []>;
1166 // Multiply + accumulate
1167 def SMLAL : AsMul1I<0b0000111, (outs GPR:$ldst, GPR:$hdst),
1168 (ins GPR:$a, GPR:$b), IIC_iMAC64,
1169 "smlal", " $ldst, $hdst, $a, $b", []>;
1171 def UMLAL : AsMul1I<0b0000101, (outs GPR:$ldst, GPR:$hdst),
1172 (ins GPR:$a, GPR:$b), IIC_iMAC64,
1173 "umlal", " $ldst, $hdst, $a, $b", []>;
1175 def UMAAL : AMul1I <0b0000010, (outs GPR:$ldst, GPR:$hdst),
1176 (ins GPR:$a, GPR:$b), IIC_iMAC64,
1177 "umaal", " $ldst, $hdst, $a, $b", []>,
1178 Requires<[IsARM, HasV6]>;
1179 } // neverHasSideEffects
1181 // Most significant word multiply
1182 def SMMUL : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1183 IIC_iMUL32, "smmul", " $dst, $a, $b",
1184 [(set GPR:$dst, (mulhs GPR:$a, GPR:$b))]>,
1185 Requires<[IsARM, HasV6]> {
1186 let Inst{7-4} = 0b0001;
1187 let Inst{15-12} = 0b1111;
1190 def SMMLA : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1191 IIC_iMAC32, "smmla", " $dst, $a, $b, $c",
1192 [(set GPR:$dst, (add (mulhs GPR:$a, GPR:$b), GPR:$c))]>,
1193 Requires<[IsARM, HasV6]> {
1194 let Inst{7-4} = 0b0001;
1198 def SMMLS : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1199 IIC_iMAC32, "smmls", " $dst, $a, $b, $c",
1200 [(set GPR:$dst, (sub GPR:$c, (mulhs GPR:$a, GPR:$b)))]>,
1201 Requires<[IsARM, HasV6]> {
1202 let Inst{7-4} = 0b1101;
1205 multiclass AI_smul<string opc, PatFrag opnode> {
1206 def BB : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1207 IIC_iMUL32, !strconcat(opc, "bb"), " $dst, $a, $b",
1208 [(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16),
1209 (sext_inreg GPR:$b, i16)))]>,
1210 Requires<[IsARM, HasV5TE]> {
1215 def BT : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1216 IIC_iMUL32, !strconcat(opc, "bt"), " $dst, $a, $b",
1217 [(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16),
1218 (sra GPR:$b, (i32 16))))]>,
1219 Requires<[IsARM, HasV5TE]> {
1224 def TB : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1225 IIC_iMUL32, !strconcat(opc, "tb"), " $dst, $a, $b",
1226 [(set GPR:$dst, (opnode (sra GPR:$a, (i32 16)),
1227 (sext_inreg GPR:$b, i16)))]>,
1228 Requires<[IsARM, HasV5TE]> {
1233 def TT : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1234 IIC_iMUL32, !strconcat(opc, "tt"), " $dst, $a, $b",
1235 [(set GPR:$dst, (opnode (sra GPR:$a, (i32 16)),
1236 (sra GPR:$b, (i32 16))))]>,
1237 Requires<[IsARM, HasV5TE]> {
1242 def WB : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1243 IIC_iMUL16, !strconcat(opc, "wb"), " $dst, $a, $b",
1244 [(set GPR:$dst, (sra (opnode GPR:$a,
1245 (sext_inreg GPR:$b, i16)), (i32 16)))]>,
1246 Requires<[IsARM, HasV5TE]> {
1251 def WT : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1252 IIC_iMUL16, !strconcat(opc, "wt"), " $dst, $a, $b",
1253 [(set GPR:$dst, (sra (opnode GPR:$a,
1254 (sra GPR:$b, (i32 16))), (i32 16)))]>,
1255 Requires<[IsARM, HasV5TE]> {
1262 multiclass AI_smla<string opc, PatFrag opnode> {
1263 def BB : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1264 IIC_iMAC16, !strconcat(opc, "bb"), " $dst, $a, $b, $acc",
1265 [(set GPR:$dst, (add GPR:$acc,
1266 (opnode (sext_inreg GPR:$a, i16),
1267 (sext_inreg GPR:$b, i16))))]>,
1268 Requires<[IsARM, HasV5TE]> {
1273 def BT : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1274 IIC_iMAC16, !strconcat(opc, "bt"), " $dst, $a, $b, $acc",
1275 [(set GPR:$dst, (add GPR:$acc, (opnode (sext_inreg GPR:$a, i16),
1276 (sra GPR:$b, (i32 16)))))]>,
1277 Requires<[IsARM, HasV5TE]> {
1282 def TB : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1283 IIC_iMAC16, !strconcat(opc, "tb"), " $dst, $a, $b, $acc",
1284 [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, (i32 16)),
1285 (sext_inreg GPR:$b, i16))))]>,
1286 Requires<[IsARM, HasV5TE]> {
1291 def TT : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1292 IIC_iMAC16, !strconcat(opc, "tt"), " $dst, $a, $b, $acc",
1293 [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, (i32 16)),
1294 (sra GPR:$b, (i32 16)))))]>,
1295 Requires<[IsARM, HasV5TE]> {
1300 def WB : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1301 IIC_iMAC16, !strconcat(opc, "wb"), " $dst, $a, $b, $acc",
1302 [(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a,
1303 (sext_inreg GPR:$b, i16)), (i32 16))))]>,
1304 Requires<[IsARM, HasV5TE]> {
1309 def WT : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1310 IIC_iMAC16, !strconcat(opc, "wt"), " $dst, $a, $b, $acc",
1311 [(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a,
1312 (sra GPR:$b, (i32 16))), (i32 16))))]>,
1313 Requires<[IsARM, HasV5TE]> {
1319 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
1320 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
1322 // TODO: Halfword multiple accumulate long: SMLAL<x><y>
1323 // TODO: Dual halfword multiple: SMUAD, SMUSD, SMLAD, SMLSD, SMLALD, SMLSLD
1325 //===----------------------------------------------------------------------===//
1326 // Misc. Arithmetic Instructions.
1329 def CLZ : AMiscA1I<0b000010110, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
1330 "clz", " $dst, $src",
1331 [(set GPR:$dst, (ctlz GPR:$src))]>, Requires<[IsARM, HasV5T]> {
1332 let Inst{7-4} = 0b0001;
1333 let Inst{11-8} = 0b1111;
1334 let Inst{19-16} = 0b1111;
1337 def REV : AMiscA1I<0b01101011, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
1338 "rev", " $dst, $src",
1339 [(set GPR:$dst, (bswap GPR:$src))]>, Requires<[IsARM, HasV6]> {
1340 let Inst{7-4} = 0b0011;
1341 let Inst{11-8} = 0b1111;
1342 let Inst{19-16} = 0b1111;
1345 def REV16 : AMiscA1I<0b01101011, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
1346 "rev16", " $dst, $src",
1348 (or (and (srl GPR:$src, (i32 8)), 0xFF),
1349 (or (and (shl GPR:$src, (i32 8)), 0xFF00),
1350 (or (and (srl GPR:$src, (i32 8)), 0xFF0000),
1351 (and (shl GPR:$src, (i32 8)), 0xFF000000)))))]>,
1352 Requires<[IsARM, HasV6]> {
1353 let Inst{7-4} = 0b1011;
1354 let Inst{11-8} = 0b1111;
1355 let Inst{19-16} = 0b1111;
1358 def REVSH : AMiscA1I<0b01101111, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
1359 "revsh", " $dst, $src",
1362 (or (srl (and GPR:$src, 0xFF00), (i32 8)),
1363 (shl GPR:$src, (i32 8))), i16))]>,
1364 Requires<[IsARM, HasV6]> {
1365 let Inst{7-4} = 0b1011;
1366 let Inst{11-8} = 0b1111;
1367 let Inst{19-16} = 0b1111;
1370 def PKHBT : AMiscA1I<0b01101000, (outs GPR:$dst),
1371 (ins GPR:$src1, GPR:$src2, i32imm:$shamt),
1372 IIC_iALUsi, "pkhbt", " $dst, $src1, $src2, LSL $shamt",
1373 [(set GPR:$dst, (or (and GPR:$src1, 0xFFFF),
1374 (and (shl GPR:$src2, (i32 imm:$shamt)),
1376 Requires<[IsARM, HasV6]> {
1377 let Inst{6-4} = 0b001;
1380 // Alternate cases for PKHBT where identities eliminate some nodes.
1381 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF), (and GPR:$src2, 0xFFFF0000)),
1382 (PKHBT GPR:$src1, GPR:$src2, 0)>;
1383 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF), (shl GPR:$src2, imm16_31:$shamt)),
1384 (PKHBT GPR:$src1, GPR:$src2, imm16_31:$shamt)>;
1387 def PKHTB : AMiscA1I<0b01101000, (outs GPR:$dst),
1388 (ins GPR:$src1, GPR:$src2, i32imm:$shamt),
1389 IIC_iALUsi, "pkhtb", " $dst, $src1, $src2, ASR $shamt",
1390 [(set GPR:$dst, (or (and GPR:$src1, 0xFFFF0000),
1391 (and (sra GPR:$src2, imm16_31:$shamt),
1392 0xFFFF)))]>, Requires<[IsARM, HasV6]> {
1393 let Inst{6-4} = 0b101;
1396 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
1397 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
1398 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000), (srl GPR:$src2, (i32 16))),
1399 (PKHTB GPR:$src1, GPR:$src2, 16)>;
1400 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000),
1401 (and (srl GPR:$src2, imm1_15:$shamt), 0xFFFF)),
1402 (PKHTB GPR:$src1, GPR:$src2, imm1_15:$shamt)>;
1404 //===----------------------------------------------------------------------===//
1405 // Comparison Instructions...
1408 defm CMP : AI1_cmp_irs<0b1010, "cmp",
1409 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
1410 defm CMN : AI1_cmp_irs<0b1011, "cmn",
1411 BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
1413 // Note that TST/TEQ don't set all the same flags that CMP does!
1414 defm TST : AI1_cmp_irs<0b1000, "tst",
1415 BinOpFrag<(ARMcmpZ (and node:$LHS, node:$RHS), 0)>, 1>;
1416 defm TEQ : AI1_cmp_irs<0b1001, "teq",
1417 BinOpFrag<(ARMcmpZ (xor node:$LHS, node:$RHS), 0)>, 1>;
1419 defm CMPz : AI1_cmp_irs<0b1010, "cmp",
1420 BinOpFrag<(ARMcmpZ node:$LHS, node:$RHS)>>;
1421 defm CMNz : AI1_cmp_irs<0b1011, "cmn",
1422 BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>>;
1424 def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
1425 (CMNri GPR:$src, so_imm_neg:$imm)>;
1427 def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
1428 (CMNri GPR:$src, so_imm_neg:$imm)>;
1431 // Conditional moves
1432 // FIXME: should be able to write a pattern for ARMcmov, but can't use
1433 // a two-value operand where a dag node expects two operands. :(
1434 def MOVCCr : AI1<0b1101, (outs GPR:$dst), (ins GPR:$false, GPR:$true), DPFrm,
1435 IIC_iCMOVr, "mov", " $dst, $true",
1436 [/*(set GPR:$dst, (ARMcmov GPR:$false, GPR:$true, imm:$cc, CCR:$ccr))*/]>,
1437 RegConstraint<"$false = $dst">, UnaryDP;
1439 def MOVCCs : AI1<0b1101, (outs GPR:$dst),
1440 (ins GPR:$false, so_reg:$true), DPSoRegFrm, IIC_iCMOVsr,
1441 "mov", " $dst, $true",
1442 [/*(set GPR:$dst, (ARMcmov GPR:$false, so_reg:$true, imm:$cc, CCR:$ccr))*/]>,
1443 RegConstraint<"$false = $dst">, UnaryDP;
1445 def MOVCCi : AI1<0b1101, (outs GPR:$dst),
1446 (ins GPR:$false, so_imm:$true), DPFrm, IIC_iCMOVi,
1447 "mov", " $dst, $true",
1448 [/*(set GPR:$dst, (ARMcmov GPR:$false, so_imm:$true, imm:$cc, CCR:$ccr))*/]>,
1449 RegConstraint<"$false = $dst">, UnaryDP {
1454 //===----------------------------------------------------------------------===//
1458 // __aeabi_read_tp preserves the registers r1-r3.
1460 Defs = [R0, R12, LR, CPSR] in {
1461 def TPsoft : ABXI<0b1011, (outs), (ins), IIC_Br,
1462 "bl __aeabi_read_tp",
1463 [(set R0, ARMthread_pointer)]>;
1466 //===----------------------------------------------------------------------===//
1467 // SJLJ Exception handling intrinsics
1468 // eh_sjlj_setjmp() is an instruction sequence to store the return
1469 // address and save #0 in R0 for the non-longjmp case.
1470 // Since by its nature we may be coming from some other function to get
1471 // here, and we're using the stack frame for the containing function to
1472 // save/restore registers, we can't keep anything live in regs across
1473 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
1474 // when we get here from a longjmp(). We force everthing out of registers
1475 // except for our own input by listing the relevant registers in Defs. By
1476 // doing so, we also cause the prologue/epilogue code to actively preserve
1477 // all of the callee-saved resgisters, which is exactly what we want.
1479 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, D0,
1480 D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15,
1481 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26, D27, D28, D29, D30,
1483 def Int_eh_sjlj_setjmp : XI<(outs), (ins GPR:$src),
1484 AddrModeNone, SizeSpecial, IndexModeNone,
1485 Pseudo, NoItinerary,
1486 "str sp, [$src, #+8] @ eh_setjmp begin\n\t"
1487 "add r12, pc, #8\n\t"
1488 "str r12, [$src, #+4]\n\t"
1490 "add pc, pc, #0\n\t"
1491 "mov r0, #1 @ eh_setjmp end", "",
1492 [(set R0, (ARMeh_sjlj_setjmp GPR:$src))]>;
1495 //===----------------------------------------------------------------------===//
1496 // Non-Instruction Patterns
1499 // ConstantPool, GlobalAddress, and JumpTable
1500 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>;
1501 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
1502 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
1503 (LEApcrelJT tjumptable:$dst, imm:$id)>;
1505 // Large immediate handling.
1507 // Two piece so_imms.
1508 let isReMaterializable = 1 in
1509 def MOVi2pieces : AI1x2<(outs GPR:$dst), (ins so_imm2part:$src),
1511 "mov", " $dst, $src",
1512 [(set GPR:$dst, so_imm2part:$src)]>,
1513 Requires<[IsARM, NoV6T2]>;
1515 def : ARMPat<(or GPR:$LHS, so_imm2part:$RHS),
1516 (ORRri (ORRri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
1517 (so_imm2part_2 imm:$RHS))>;
1518 def : ARMPat<(xor GPR:$LHS, so_imm2part:$RHS),
1519 (EORri (EORri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
1520 (so_imm2part_2 imm:$RHS))>;
1522 // 32-bit immediate using movw + movt.
1523 // This is a single pseudo instruction to make it re-materializable. Remove
1524 // when we can do generalized remat.
1525 let isReMaterializable = 1 in
1526 def MOVi32imm : AI1x2<(outs GPR:$dst), (ins i32imm:$src), Pseudo, IIC_iMOVi,
1527 "movw", " $dst, ${src:lo16}\n\tmovt${p} $dst, ${src:hi16}",
1528 [(set GPR:$dst, (i32 imm:$src))]>,
1529 Requires<[IsARM, HasV6T2]>;
1531 // TODO: add,sub,and, 3-instr forms?
1535 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>,
1536 Requires<[IsARM, IsNotDarwin]>;
1537 def : ARMPat<(ARMcall texternalsym:$func), (BLr9 texternalsym:$func)>,
1538 Requires<[IsARM, IsDarwin]>;
1540 // zextload i1 -> zextload i8
1541 def : ARMPat<(zextloadi1 addrmode2:$addr), (LDRB addrmode2:$addr)>;
1543 // extload -> zextload
1544 def : ARMPat<(extloadi1 addrmode2:$addr), (LDRB addrmode2:$addr)>;
1545 def : ARMPat<(extloadi8 addrmode2:$addr), (LDRB addrmode2:$addr)>;
1546 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
1548 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
1549 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
1552 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
1553 (sra (shl GPR:$b, (i32 16)), (i32 16))),
1554 (SMULBB GPR:$a, GPR:$b)>;
1555 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
1556 (SMULBB GPR:$a, GPR:$b)>;
1557 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
1558 (sra GPR:$b, (i32 16))),
1559 (SMULBT GPR:$a, GPR:$b)>;
1560 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
1561 (SMULBT GPR:$a, GPR:$b)>;
1562 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
1563 (sra (shl GPR:$b, (i32 16)), (i32 16))),
1564 (SMULTB GPR:$a, GPR:$b)>;
1565 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
1566 (SMULTB GPR:$a, GPR:$b)>;
1567 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
1569 (SMULWB GPR:$a, GPR:$b)>;
1570 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
1571 (SMULWB GPR:$a, GPR:$b)>;
1573 def : ARMV5TEPat<(add GPR:$acc,
1574 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
1575 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
1576 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
1577 def : ARMV5TEPat<(add GPR:$acc,
1578 (mul sext_16_node:$a, sext_16_node:$b)),
1579 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
1580 def : ARMV5TEPat<(add GPR:$acc,
1581 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
1582 (sra GPR:$b, (i32 16)))),
1583 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
1584 def : ARMV5TEPat<(add GPR:$acc,
1585 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
1586 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
1587 def : ARMV5TEPat<(add GPR:$acc,
1588 (mul (sra GPR:$a, (i32 16)),
1589 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
1590 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
1591 def : ARMV5TEPat<(add GPR:$acc,
1592 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
1593 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
1594 def : ARMV5TEPat<(add GPR:$acc,
1595 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
1597 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
1598 def : ARMV5TEPat<(add GPR:$acc,
1599 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
1600 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
1602 //===----------------------------------------------------------------------===//
1606 include "ARMInstrThumb.td"
1608 //===----------------------------------------------------------------------===//
1612 include "ARMInstrThumb2.td"
1614 //===----------------------------------------------------------------------===//
1615 // Floating Point Support
1618 include "ARMInstrVFP.td"
1620 //===----------------------------------------------------------------------===//
1621 // Advanced SIMD (NEON) Support
1624 include "ARMInstrNEON.td"