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);
287 def so_neg_imm2part : Operand<i32>, PatLeaf<(imm), [{
288 return ARM_AM::isSOImmTwoPartVal(-(int)N->getZExtValue());
290 let PrintMethod = "printSOImm2PartOperand";
293 def so_neg_imm2part_1 : SDNodeXForm<imm, [{
294 unsigned V = ARM_AM::getSOImmTwoPartFirst(-(int)N->getZExtValue());
295 return CurDAG->getTargetConstant(V, MVT::i32);
298 def so_neg_imm2part_2 : SDNodeXForm<imm, [{
299 unsigned V = ARM_AM::getSOImmTwoPartSecond(-(int)N->getZExtValue());
300 return CurDAG->getTargetConstant(V, MVT::i32);
303 /// imm0_31 predicate - True if the 32-bit immediate is in the range [0,31].
304 def imm0_31 : Operand<i32>, PatLeaf<(imm), [{
305 return (int32_t)N->getZExtValue() < 32;
308 // Define ARM specific addressing modes.
310 // addrmode2 := reg +/- reg shop imm
311 // addrmode2 := reg +/- imm12
313 def addrmode2 : Operand<i32>,
314 ComplexPattern<i32, 3, "SelectAddrMode2", []> {
315 let PrintMethod = "printAddrMode2Operand";
316 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
319 def am2offset : Operand<i32>,
320 ComplexPattern<i32, 2, "SelectAddrMode2Offset", []> {
321 let PrintMethod = "printAddrMode2OffsetOperand";
322 let MIOperandInfo = (ops GPR, i32imm);
325 // addrmode3 := reg +/- reg
326 // addrmode3 := reg +/- imm8
328 def addrmode3 : Operand<i32>,
329 ComplexPattern<i32, 3, "SelectAddrMode3", []> {
330 let PrintMethod = "printAddrMode3Operand";
331 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
334 def am3offset : Operand<i32>,
335 ComplexPattern<i32, 2, "SelectAddrMode3Offset", []> {
336 let PrintMethod = "printAddrMode3OffsetOperand";
337 let MIOperandInfo = (ops GPR, i32imm);
340 // addrmode4 := reg, <mode|W>
342 def addrmode4 : Operand<i32>,
343 ComplexPattern<i32, 2, "SelectAddrMode4", []> {
344 let PrintMethod = "printAddrMode4Operand";
345 let MIOperandInfo = (ops GPR, i32imm);
348 // addrmode5 := reg +/- imm8*4
350 def addrmode5 : Operand<i32>,
351 ComplexPattern<i32, 2, "SelectAddrMode5", []> {
352 let PrintMethod = "printAddrMode5Operand";
353 let MIOperandInfo = (ops GPR, i32imm);
356 // addrmode6 := reg with optional writeback
358 def addrmode6 : Operand<i32>,
359 ComplexPattern<i32, 4, "SelectAddrMode6", []> {
360 let PrintMethod = "printAddrMode6Operand";
361 let MIOperandInfo = (ops GPR:$addr, GPR:$upd, i32imm, i32imm);
364 // addrmodepc := pc + reg
366 def addrmodepc : Operand<i32>,
367 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
368 let PrintMethod = "printAddrModePCOperand";
369 let MIOperandInfo = (ops GPR, i32imm);
372 def nohash_imm : Operand<i32> {
373 let PrintMethod = "printNoHashImmediate";
376 //===----------------------------------------------------------------------===//
378 include "ARMInstrFormats.td"
380 //===----------------------------------------------------------------------===//
381 // Multiclass helpers...
384 /// AsI1_bin_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns for a
385 /// binop that produces a value.
386 multiclass AsI1_bin_irs<bits<4> opcod, string opc, PatFrag opnode,
387 bit Commutable = 0> {
388 def ri : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
389 IIC_iALUi, opc, "\t$dst, $a, $b",
390 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]> {
393 def rr : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
394 IIC_iALUr, opc, "\t$dst, $a, $b",
395 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]> {
396 let Inst{11-4} = 0b00000000;
398 let isCommutable = Commutable;
400 def rs : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
401 IIC_iALUsr, opc, "\t$dst, $a, $b",
402 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]> {
407 /// AI1_bin_s_irs - Similar to AsI1_bin_irs except it sets the 's' bit so the
408 /// instruction modifies the CPSR register.
409 let Defs = [CPSR] in {
410 multiclass AI1_bin_s_irs<bits<4> opcod, string opc, PatFrag opnode,
411 bit Commutable = 0> {
412 def ri : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
413 IIC_iALUi, opc, "\t$dst, $a, $b",
414 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]> {
418 def rr : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
419 IIC_iALUr, opc, "\t$dst, $a, $b",
420 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]> {
421 let isCommutable = Commutable;
422 let Inst{11-4} = 0b00000000;
426 def rs : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
427 IIC_iALUsr, opc, "\t$dst, $a, $b",
428 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]> {
435 /// AI1_cmp_irs - Defines a set of (op r, {so_imm|r|so_reg}) cmp / test
436 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
437 /// a explicit result, only implicitly set CPSR.
438 let Defs = [CPSR] in {
439 multiclass AI1_cmp_irs<bits<4> opcod, string opc, PatFrag opnode,
440 bit Commutable = 0> {
441 def ri : AI1<opcod, (outs), (ins GPR:$a, so_imm:$b), DPFrm, IIC_iCMPi,
443 [(opnode GPR:$a, so_imm:$b)]> {
447 def rr : AI1<opcod, (outs), (ins GPR:$a, GPR:$b), DPFrm, IIC_iCMPr,
449 [(opnode GPR:$a, GPR:$b)]> {
450 let Inst{11-4} = 0b00000000;
453 let isCommutable = Commutable;
455 def rs : AI1<opcod, (outs), (ins GPR:$a, so_reg:$b), DPSoRegFrm, IIC_iCMPsr,
457 [(opnode GPR:$a, so_reg:$b)]> {
464 /// AI_unary_rrot - A unary operation with two forms: one whose operand is a
465 /// register and one whose operand is a register rotated by 8/16/24.
466 /// FIXME: Remove the 'r' variant. Its rot_imm is zero.
467 multiclass AI_unary_rrot<bits<8> opcod, string opc, PatFrag opnode> {
468 def r : AExtI<opcod, (outs GPR:$dst), (ins GPR:$src),
469 IIC_iUNAr, opc, "\t$dst, $src",
470 [(set GPR:$dst, (opnode GPR:$src))]>,
471 Requires<[IsARM, HasV6]> {
472 let Inst{11-10} = 0b00;
473 let Inst{19-16} = 0b1111;
475 def r_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$src, i32imm:$rot),
476 IIC_iUNAsi, opc, "\t$dst, $src, ror $rot",
477 [(set GPR:$dst, (opnode (rotr GPR:$src, rot_imm:$rot)))]>,
478 Requires<[IsARM, HasV6]> {
479 let Inst{19-16} = 0b1111;
483 /// AI_bin_rrot - A binary operation with two forms: one whose operand is a
484 /// register and one whose operand is a register rotated by 8/16/24.
485 multiclass AI_bin_rrot<bits<8> opcod, string opc, PatFrag opnode> {
486 def rr : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS),
487 IIC_iALUr, opc, "\t$dst, $LHS, $RHS",
488 [(set GPR:$dst, (opnode GPR:$LHS, GPR:$RHS))]>,
489 Requires<[IsARM, HasV6]> {
490 let Inst{11-10} = 0b00;
492 def rr_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS, i32imm:$rot),
493 IIC_iALUsi, opc, "\t$dst, $LHS, $RHS, ror $rot",
494 [(set GPR:$dst, (opnode GPR:$LHS,
495 (rotr GPR:$RHS, rot_imm:$rot)))]>,
496 Requires<[IsARM, HasV6]>;
499 /// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
500 let Uses = [CPSR] in {
501 multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode,
502 bit Commutable = 0> {
503 def ri : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
504 DPFrm, IIC_iALUi, opc, "\t$dst, $a, $b",
505 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]>,
506 Requires<[IsARM, CarryDefIsUnused]> {
509 def rr : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
510 DPFrm, IIC_iALUr, opc, "\t$dst, $a, $b",
511 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]>,
512 Requires<[IsARM, CarryDefIsUnused]> {
513 let isCommutable = Commutable;
514 let Inst{11-4} = 0b00000000;
517 def rs : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
518 DPSoRegFrm, IIC_iALUsr, opc, "\t$dst, $a, $b",
519 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]>,
520 Requires<[IsARM, CarryDefIsUnused]> {
524 // Carry setting variants
525 let Defs = [CPSR] in {
526 multiclass AI1_adde_sube_s_irs<bits<4> opcod, string opc, PatFrag opnode,
527 bit Commutable = 0> {
528 def Sri : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
529 DPFrm, IIC_iALUi, !strconcat(opc, "\t$dst, $a, $b"),
530 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]>,
531 Requires<[IsARM, CarryDefIsUsed]> {
536 def Srr : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
537 DPFrm, IIC_iALUr, !strconcat(opc, "\t$dst, $a, $b"),
538 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]>,
539 Requires<[IsARM, CarryDefIsUsed]> {
541 let Inst{11-4} = 0b00000000;
545 def Srs : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
546 DPSoRegFrm, IIC_iALUsr, !strconcat(opc, "\t$dst, $a, $b"),
547 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]>,
548 Requires<[IsARM, CarryDefIsUsed]> {
557 //===----------------------------------------------------------------------===//
559 //===----------------------------------------------------------------------===//
561 //===----------------------------------------------------------------------===//
562 // Miscellaneous Instructions.
565 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
566 /// the function. The first operand is the ID# for this instruction, the second
567 /// is the index into the MachineConstantPool that this is, the third is the
568 /// size in bytes of this constant pool entry.
569 let neverHasSideEffects = 1, isNotDuplicable = 1 in
570 def CONSTPOOL_ENTRY :
571 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
572 i32imm:$size), NoItinerary,
573 "${instid:label} ${cpidx:cpentry}", []>;
575 let Defs = [SP], Uses = [SP] in {
577 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary,
578 "@ ADJCALLSTACKUP $amt1",
579 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
581 def ADJCALLSTACKDOWN :
582 PseudoInst<(outs), (ins i32imm:$amt, pred:$p), NoItinerary,
583 "@ ADJCALLSTACKDOWN $amt",
584 [(ARMcallseq_start timm:$amt)]>;
588 PseudoInst<(outs), (ins i32imm:$line, i32imm:$col, i32imm:$file), NoItinerary,
589 ".loc $file, $line, $col",
590 [(dwarf_loc (i32 imm:$line), (i32 imm:$col), (i32 imm:$file))]>;
593 // Address computation and loads and stores in PIC mode.
594 let isNotDuplicable = 1 in {
595 def PICADD : AXI1<0b0100, (outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
596 Pseudo, IIC_iALUr, "\n$cp:\n\tadd$p\t$dst, pc, $a",
597 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
599 let AddedComplexity = 10 in {
600 def PICLDR : AXI2ldw<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
601 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldr$p\t$dst, $addr",
602 [(set GPR:$dst, (load addrmodepc:$addr))]>;
604 def PICLDRH : AXI3ldh<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
605 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldr${p}h\t$dst, $addr",
606 [(set GPR:$dst, (zextloadi16 addrmodepc:$addr))]>;
608 def PICLDRB : AXI2ldb<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
609 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldr${p}b\t$dst, $addr",
610 [(set GPR:$dst, (zextloadi8 addrmodepc:$addr))]>;
612 def PICLDRSH : AXI3ldsh<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
613 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldr${p}sh\t$dst, $addr",
614 [(set GPR:$dst, (sextloadi16 addrmodepc:$addr))]>;
616 def PICLDRSB : AXI3ldsb<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
617 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldr${p}sb\t$dst, $addr",
618 [(set GPR:$dst, (sextloadi8 addrmodepc:$addr))]>;
620 let AddedComplexity = 10 in {
621 def PICSTR : AXI2stw<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
622 Pseudo, IIC_iStorer, "\n${addr:label}:\n\tstr$p\t$src, $addr",
623 [(store GPR:$src, addrmodepc:$addr)]>;
625 def PICSTRH : AXI3sth<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
626 Pseudo, IIC_iStorer, "\n${addr:label}:\n\tstrh${p}\t$src, $addr",
627 [(truncstorei16 GPR:$src, addrmodepc:$addr)]>;
629 def PICSTRB : AXI2stb<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
630 Pseudo, IIC_iStorer, "\n${addr:label}:\n\tstrb${p}\t$src, $addr",
631 [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
633 } // isNotDuplicable = 1
636 // LEApcrel - Load a pc-relative address into a register without offending the
638 def LEApcrel : AXI1<0x0, (outs GPR:$dst), (ins i32imm:$label, pred:$p),
640 !strconcat(!strconcat(".set ${:private}PCRELV${:uid}, ($label-(",
641 "${:private}PCRELL${:uid}+8))\n"),
642 !strconcat("${:private}PCRELL${:uid}:\n\t",
643 "add$p\t$dst, pc, #${:private}PCRELV${:uid}")),
646 def LEApcrelJT : AXI1<0x0, (outs GPR:$dst),
647 (ins i32imm:$label, nohash_imm:$id, pred:$p),
649 !strconcat(!strconcat(".set ${:private}PCRELV${:uid}, "
651 "${:private}PCRELL${:uid}+8))\n"),
652 !strconcat("${:private}PCRELL${:uid}:\n\t",
653 "add$p\t$dst, pc, #${:private}PCRELV${:uid}")),
658 //===----------------------------------------------------------------------===//
659 // Control Flow Instructions.
662 let isReturn = 1, isTerminator = 1, isBarrier = 1 in
663 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
664 "bx", "\tlr", [(ARMretflag)]> {
665 let Inst{3-0} = 0b1110;
666 let Inst{7-4} = 0b0001;
667 let Inst{19-8} = 0b111111111111;
668 let Inst{27-20} = 0b00010010;
672 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
673 def BRIND : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
674 [(brind GPR:$dst)]> {
675 let Inst{7-4} = 0b0001;
676 let Inst{19-8} = 0b111111111111;
677 let Inst{27-20} = 0b00010010;
678 let Inst{31-28} = 0b1110;
682 // FIXME: remove when we have a way to marking a MI with these properties.
683 // FIXME: Should pc be an implicit operand like PICADD, etc?
684 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
685 hasExtraDefRegAllocReq = 1 in
686 def LDM_RET : AXI4ld<(outs),
687 (ins addrmode4:$addr, pred:$p, reglist:$wb, variable_ops),
688 LdStMulFrm, IIC_Br, "ldm${addr:submode}${p}\t$addr, $wb",
691 // On non-Darwin platforms R9 is callee-saved.
693 Defs = [R0, R1, R2, R3, R12, LR,
694 D0, D1, D2, D3, D4, D5, D6, D7,
695 D16, D17, D18, D19, D20, D21, D22, D23,
696 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR] in {
697 def BL : ABXI<0b1011, (outs), (ins i32imm:$func, variable_ops),
698 IIC_Br, "bl\t${func:call}",
699 [(ARMcall tglobaladdr:$func)]>,
700 Requires<[IsARM, IsNotDarwin]> {
701 let Inst{31-28} = 0b1110;
704 def BL_pred : ABI<0b1011, (outs), (ins i32imm:$func, variable_ops),
705 IIC_Br, "bl", "\t${func:call}",
706 [(ARMcall_pred tglobaladdr:$func)]>,
707 Requires<[IsARM, IsNotDarwin]>;
710 def BLX : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
711 IIC_Br, "blx\t$func",
712 [(ARMcall GPR:$func)]>,
713 Requires<[IsARM, HasV5T, IsNotDarwin]> {
714 let Inst{7-4} = 0b0011;
715 let Inst{19-8} = 0b111111111111;
716 let Inst{27-20} = 0b00010010;
720 def BX : ABXIx2<(outs), (ins GPR:$func, variable_ops),
721 IIC_Br, "mov\tlr, pc\n\tbx\t$func",
722 [(ARMcall_nolink GPR:$func)]>,
723 Requires<[IsARM, IsNotDarwin]> {
724 let Inst{7-4} = 0b0001;
725 let Inst{19-8} = 0b111111111111;
726 let Inst{27-20} = 0b00010010;
730 // On Darwin R9 is call-clobbered.
732 Defs = [R0, R1, R2, R3, R9, R12, LR,
733 D0, D1, D2, D3, D4, D5, D6, D7,
734 D16, D17, D18, D19, D20, D21, D22, D23,
735 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR] in {
736 def BLr9 : ABXI<0b1011, (outs), (ins i32imm:$func, variable_ops),
737 IIC_Br, "bl\t${func:call}",
738 [(ARMcall tglobaladdr:$func)]>, Requires<[IsARM, IsDarwin]> {
739 let Inst{31-28} = 0b1110;
742 def BLr9_pred : ABI<0b1011, (outs), (ins i32imm:$func, variable_ops),
743 IIC_Br, "bl", "\t${func:call}",
744 [(ARMcall_pred tglobaladdr:$func)]>,
745 Requires<[IsARM, IsDarwin]>;
748 def BLXr9 : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
749 IIC_Br, "blx\t$func",
750 [(ARMcall GPR:$func)]>, Requires<[IsARM, HasV5T, IsDarwin]> {
751 let Inst{7-4} = 0b0011;
752 let Inst{19-8} = 0b111111111111;
753 let Inst{27-20} = 0b00010010;
757 def BXr9 : ABXIx2<(outs), (ins GPR:$func, variable_ops),
758 IIC_Br, "mov\tlr, pc\n\tbx\t$func",
759 [(ARMcall_nolink GPR:$func)]>, Requires<[IsARM, IsDarwin]> {
760 let Inst{7-4} = 0b0001;
761 let Inst{19-8} = 0b111111111111;
762 let Inst{27-20} = 0b00010010;
766 let isBranch = 1, isTerminator = 1 in {
767 // B is "predicable" since it can be xformed into a Bcc.
768 let isBarrier = 1 in {
769 let isPredicable = 1 in
770 def B : ABXI<0b1010, (outs), (ins brtarget:$target), IIC_Br,
771 "b\t$target", [(br bb:$target)]>;
773 let isNotDuplicable = 1, isIndirectBranch = 1 in {
774 def BR_JTr : JTI<(outs), (ins GPR:$target, jtblock_operand:$jt, i32imm:$id),
775 IIC_Br, "mov\tpc, $target \n$jt",
776 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]> {
777 let Inst{15-12} = 0b1111;
778 let Inst{20} = 0; // S Bit
779 let Inst{24-21} = 0b1101;
780 let Inst{27-25} = 0b000;
782 def BR_JTm : JTI<(outs),
783 (ins addrmode2:$target, jtblock_operand:$jt, i32imm:$id),
784 IIC_Br, "ldr\tpc, $target \n$jt",
785 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
787 let Inst{15-12} = 0b1111;
788 let Inst{20} = 1; // L bit
789 let Inst{21} = 0; // W bit
790 let Inst{22} = 0; // B bit
791 let Inst{24} = 1; // P bit
792 let Inst{27-25} = 0b011;
794 def BR_JTadd : JTI<(outs),
795 (ins GPR:$target, GPR:$idx, jtblock_operand:$jt, i32imm:$id),
796 IIC_Br, "add\tpc, $target, $idx \n$jt",
797 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
799 let Inst{15-12} = 0b1111;
800 let Inst{20} = 0; // S bit
801 let Inst{24-21} = 0b0100;
802 let Inst{27-25} = 0b000;
804 } // isNotDuplicable = 1, isIndirectBranch = 1
807 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
808 // a two-value operand where a dag node expects two operands. :(
809 def Bcc : ABI<0b1010, (outs), (ins brtarget:$target),
810 IIC_Br, "b", "\t$target",
811 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]>;
814 //===----------------------------------------------------------------------===//
815 // Load / store Instructions.
819 let canFoldAsLoad = 1, isReMaterializable = 1, mayHaveSideEffects = 1 in
820 def LDR : AI2ldw<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm, IIC_iLoadr,
821 "ldr", "\t$dst, $addr",
822 [(set GPR:$dst, (load addrmode2:$addr))]>;
824 // Special LDR for loads from non-pc-relative constpools.
825 let canFoldAsLoad = 1, mayLoad = 1, isReMaterializable = 1,
826 mayHaveSideEffects = 1 in
827 def LDRcp : AI2ldw<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm, IIC_iLoadr,
828 "ldr", "\t$dst, $addr", []>;
830 // Loads with zero extension
831 def LDRH : AI3ldh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
832 IIC_iLoadr, "ldrh", "\t$dst, $addr",
833 [(set GPR:$dst, (zextloadi16 addrmode3:$addr))]>;
835 def LDRB : AI2ldb<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm,
836 IIC_iLoadr, "ldrb", "\t$dst, $addr",
837 [(set GPR:$dst, (zextloadi8 addrmode2:$addr))]>;
839 // Loads with sign extension
840 def LDRSH : AI3ldsh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
841 IIC_iLoadr, "ldrsh", "\t$dst, $addr",
842 [(set GPR:$dst, (sextloadi16 addrmode3:$addr))]>;
844 def LDRSB : AI3ldsb<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
845 IIC_iLoadr, "ldrsb", "\t$dst, $addr",
846 [(set GPR:$dst, (sextloadi8 addrmode3:$addr))]>;
848 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in {
850 def LDRD : AI3ldd<(outs GPR:$dst1, GPR:$dst2), (ins addrmode3:$addr), LdMiscFrm,
851 IIC_iLoadr, "ldrd", "\t$dst1, $addr",
852 []>, Requires<[IsARM, HasV5TE]>;
855 def LDR_PRE : AI2ldwpr<(outs GPR:$dst, GPR:$base_wb),
856 (ins addrmode2:$addr), LdFrm, IIC_iLoadru,
857 "ldr", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
859 def LDR_POST : AI2ldwpo<(outs GPR:$dst, GPR:$base_wb),
860 (ins GPR:$base, am2offset:$offset), LdFrm, IIC_iLoadru,
861 "ldr", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
863 def LDRH_PRE : AI3ldhpr<(outs GPR:$dst, GPR:$base_wb),
864 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadru,
865 "ldrh", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
867 def LDRH_POST : AI3ldhpo<(outs GPR:$dst, GPR:$base_wb),
868 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
869 "ldrh", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
871 def LDRB_PRE : AI2ldbpr<(outs GPR:$dst, GPR:$base_wb),
872 (ins addrmode2:$addr), LdFrm, IIC_iLoadru,
873 "ldrb", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
875 def LDRB_POST : AI2ldbpo<(outs GPR:$dst, GPR:$base_wb),
876 (ins GPR:$base,am2offset:$offset), LdFrm, IIC_iLoadru,
877 "ldrb", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
879 def LDRSH_PRE : AI3ldshpr<(outs GPR:$dst, GPR:$base_wb),
880 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadru,
881 "ldrsh", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
883 def LDRSH_POST: AI3ldshpo<(outs GPR:$dst, GPR:$base_wb),
884 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
885 "ldrsh", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
887 def LDRSB_PRE : AI3ldsbpr<(outs GPR:$dst, GPR:$base_wb),
888 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadru,
889 "ldrsb", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
891 def LDRSB_POST: AI3ldsbpo<(outs GPR:$dst, GPR:$base_wb),
892 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
893 "ldrsb", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
897 def STR : AI2stw<(outs), (ins GPR:$src, addrmode2:$addr), StFrm, IIC_iStorer,
898 "str", "\t$src, $addr",
899 [(store GPR:$src, addrmode2:$addr)]>;
901 // Stores with truncate
902 def STRH : AI3sth<(outs), (ins GPR:$src, addrmode3:$addr), StMiscFrm, IIC_iStorer,
903 "strh", "\t$src, $addr",
904 [(truncstorei16 GPR:$src, addrmode3:$addr)]>;
906 def STRB : AI2stb<(outs), (ins GPR:$src, addrmode2:$addr), StFrm, IIC_iStorer,
907 "strb", "\t$src, $addr",
908 [(truncstorei8 GPR:$src, addrmode2:$addr)]>;
911 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
912 def STRD : AI3std<(outs), (ins GPR:$src1, GPR:$src2, addrmode3:$addr),
913 StMiscFrm, IIC_iStorer,
914 "strd", "\t$src1, $addr", []>, Requires<[IsARM, HasV5TE]>;
917 def STR_PRE : AI2stwpr<(outs GPR:$base_wb),
918 (ins GPR:$src, GPR:$base, am2offset:$offset),
920 "str", "\t$src, [$base, $offset]!", "$base = $base_wb",
922 (pre_store GPR:$src, GPR:$base, am2offset:$offset))]>;
924 def STR_POST : AI2stwpo<(outs GPR:$base_wb),
925 (ins GPR:$src, GPR:$base,am2offset:$offset),
927 "str", "\t$src, [$base], $offset", "$base = $base_wb",
929 (post_store GPR:$src, GPR:$base, am2offset:$offset))]>;
931 def STRH_PRE : AI3sthpr<(outs GPR:$base_wb),
932 (ins GPR:$src, GPR:$base,am3offset:$offset),
933 StMiscFrm, IIC_iStoreru,
934 "strh", "\t$src, [$base, $offset]!", "$base = $base_wb",
936 (pre_truncsti16 GPR:$src, GPR:$base,am3offset:$offset))]>;
938 def STRH_POST: AI3sthpo<(outs GPR:$base_wb),
939 (ins GPR:$src, GPR:$base,am3offset:$offset),
940 StMiscFrm, IIC_iStoreru,
941 "strh", "\t$src, [$base], $offset", "$base = $base_wb",
942 [(set GPR:$base_wb, (post_truncsti16 GPR:$src,
943 GPR:$base, am3offset:$offset))]>;
945 def STRB_PRE : AI2stbpr<(outs GPR:$base_wb),
946 (ins GPR:$src, GPR:$base,am2offset:$offset),
948 "strb", "\t$src, [$base, $offset]!", "$base = $base_wb",
949 [(set GPR:$base_wb, (pre_truncsti8 GPR:$src,
950 GPR:$base, am2offset:$offset))]>;
952 def STRB_POST: AI2stbpo<(outs GPR:$base_wb),
953 (ins GPR:$src, GPR:$base,am2offset:$offset),
955 "strb", "\t$src, [$base], $offset", "$base = $base_wb",
956 [(set GPR:$base_wb, (post_truncsti8 GPR:$src,
957 GPR:$base, am2offset:$offset))]>;
959 //===----------------------------------------------------------------------===//
960 // Load / store multiple Instructions.
963 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
964 def LDM : AXI4ld<(outs),
965 (ins addrmode4:$addr, pred:$p, reglist:$wb, variable_ops),
966 LdStMulFrm, IIC_iLoadm, "ldm${addr:submode}${p}\t$addr, $wb",
969 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
970 def STM : AXI4st<(outs),
971 (ins addrmode4:$addr, pred:$p, reglist:$wb, variable_ops),
972 LdStMulFrm, IIC_iStorem, "stm${addr:submode}${p}\t$addr, $wb",
975 //===----------------------------------------------------------------------===//
976 // Move Instructions.
979 let neverHasSideEffects = 1 in
980 def MOVr : AsI1<0b1101, (outs GPR:$dst), (ins GPR:$src), DPFrm, IIC_iMOVr,
981 "mov", "\t$dst, $src", []>, UnaryDP {
982 let Inst{11-4} = 0b00000000;
986 def MOVs : AsI1<0b1101, (outs GPR:$dst), (ins so_reg:$src),
987 DPSoRegFrm, IIC_iMOVsr,
988 "mov", "\t$dst, $src", [(set GPR:$dst, so_reg:$src)]>, UnaryDP {
992 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
993 def MOVi : AsI1<0b1101, (outs GPR:$dst), (ins so_imm:$src), DPFrm, IIC_iMOVi,
994 "mov", "\t$dst, $src", [(set GPR:$dst, so_imm:$src)]>, UnaryDP {
998 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
999 def MOVi16 : AI1<0b1000, (outs GPR:$dst), (ins i32imm:$src),
1001 "movw", "\t$dst, $src",
1002 [(set GPR:$dst, imm0_65535:$src)]>,
1003 Requires<[IsARM, HasV6T2]> {
1008 let Constraints = "$src = $dst" in
1009 def MOVTi16 : AI1<0b1010, (outs GPR:$dst), (ins GPR:$src, i32imm:$imm),
1011 "movt", "\t$dst, $imm",
1013 (or (and GPR:$src, 0xffff),
1014 lo16AllZero:$imm))]>, UnaryDP,
1015 Requires<[IsARM, HasV6T2]> {
1020 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
1021 Requires<[IsARM, HasV6T2]>;
1023 let Uses = [CPSR] in
1024 def MOVrx : AsI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo, IIC_iMOVsi,
1025 "mov", "\t$dst, $src, rrx",
1026 [(set GPR:$dst, (ARMrrx GPR:$src))]>, UnaryDP;
1028 // These aren't really mov instructions, but we have to define them this way
1029 // due to flag operands.
1031 let Defs = [CPSR] in {
1032 def MOVsrl_flag : AI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo,
1033 IIC_iMOVsi, "movs", "\t$dst, $src, lsr #1",
1034 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP;
1035 def MOVsra_flag : AI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo,
1036 IIC_iMOVsi, "movs", "\t$dst, $src, asr #1",
1037 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP;
1040 //===----------------------------------------------------------------------===//
1041 // Extend Instructions.
1046 defm SXTB : AI_unary_rrot<0b01101010,
1047 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
1048 defm SXTH : AI_unary_rrot<0b01101011,
1049 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
1051 defm SXTAB : AI_bin_rrot<0b01101010,
1052 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
1053 defm SXTAH : AI_bin_rrot<0b01101011,
1054 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
1056 // TODO: SXT(A){B|H}16
1060 let AddedComplexity = 16 in {
1061 defm UXTB : AI_unary_rrot<0b01101110,
1062 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
1063 defm UXTH : AI_unary_rrot<0b01101111,
1064 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
1065 defm UXTB16 : AI_unary_rrot<0b01101100,
1066 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
1068 def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
1069 (UXTB16r_rot GPR:$Src, 24)>;
1070 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
1071 (UXTB16r_rot GPR:$Src, 8)>;
1073 defm UXTAB : AI_bin_rrot<0b01101110, "uxtab",
1074 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
1075 defm UXTAH : AI_bin_rrot<0b01101111, "uxtah",
1076 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
1079 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
1080 //defm UXTAB16 : xxx<"uxtab16", 0xff00ff>;
1082 // TODO: UXT(A){B|H}16
1084 def SBFX : I<(outs GPR:$dst),
1085 (ins GPR:$src, imm0_31:$lsb, imm0_31:$width),
1086 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iALUi,
1087 "sbfx", "\t$dst, $src, $lsb, $width", "", []>,
1088 Requires<[IsARM, HasV6T2]> {
1089 let Inst{27-21} = 0b0111101;
1090 let Inst{6-4} = 0b101;
1093 def UBFX : I<(outs GPR:$dst),
1094 (ins GPR:$src, imm0_31:$lsb, imm0_31:$width),
1095 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iALUi,
1096 "ubfx", "\t$dst, $src, $lsb, $width", "", []>,
1097 Requires<[IsARM, HasV6T2]> {
1098 let Inst{27-21} = 0b0111111;
1099 let Inst{6-4} = 0b101;
1102 //===----------------------------------------------------------------------===//
1103 // Arithmetic Instructions.
1106 defm ADD : AsI1_bin_irs<0b0100, "add",
1107 BinOpFrag<(add node:$LHS, node:$RHS)>, 1>;
1108 defm SUB : AsI1_bin_irs<0b0010, "sub",
1109 BinOpFrag<(sub node:$LHS, node:$RHS)>>;
1111 // ADD and SUB with 's' bit set.
1112 defm ADDS : AI1_bin_s_irs<0b0100, "adds",
1113 BinOpFrag<(addc node:$LHS, node:$RHS)>, 1>;
1114 defm SUBS : AI1_bin_s_irs<0b0010, "subs",
1115 BinOpFrag<(subc node:$LHS, node:$RHS)>>;
1117 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
1118 BinOpFrag<(adde node:$LHS, node:$RHS)>, 1>;
1119 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
1120 BinOpFrag<(sube node:$LHS, node:$RHS)>>;
1121 defm ADCS : AI1_adde_sube_s_irs<0b0101, "adcs",
1122 BinOpFrag<(adde node:$LHS, node:$RHS)>, 1>;
1123 defm SBCS : AI1_adde_sube_s_irs<0b0110, "sbcs",
1124 BinOpFrag<(sube node:$LHS, node:$RHS)>>;
1126 // These don't define reg/reg forms, because they are handled above.
1127 def RSBri : AsI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
1128 IIC_iALUi, "rsb", "\t$dst, $a, $b",
1129 [(set GPR:$dst, (sub so_imm:$b, GPR:$a))]> {
1133 def RSBrs : AsI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
1134 IIC_iALUsr, "rsb", "\t$dst, $a, $b",
1135 [(set GPR:$dst, (sub so_reg:$b, GPR:$a))]> {
1139 // RSB with 's' bit set.
1140 let Defs = [CPSR] in {
1141 def RSBSri : AI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
1142 IIC_iALUi, "rsbs", "\t$dst, $a, $b",
1143 [(set GPR:$dst, (subc so_imm:$b, GPR:$a))]> {
1147 def RSBSrs : AI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
1148 IIC_iALUsr, "rsbs", "\t$dst, $a, $b",
1149 [(set GPR:$dst, (subc so_reg:$b, GPR:$a))]> {
1155 let Uses = [CPSR] in {
1156 def RSCri : AsI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
1157 DPFrm, IIC_iALUi, "rsc", "\t$dst, $a, $b",
1158 [(set GPR:$dst, (sube so_imm:$b, GPR:$a))]>,
1159 Requires<[IsARM, CarryDefIsUnused]> {
1162 def RSCrs : AsI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
1163 DPSoRegFrm, IIC_iALUsr, "rsc", "\t$dst, $a, $b",
1164 [(set GPR:$dst, (sube so_reg:$b, GPR:$a))]>,
1165 Requires<[IsARM, CarryDefIsUnused]> {
1170 // FIXME: Allow these to be predicated.
1171 let Defs = [CPSR], Uses = [CPSR] in {
1172 def RSCSri : AXI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
1173 DPFrm, IIC_iALUi, "rscs\t$dst, $a, $b",
1174 [(set GPR:$dst, (sube so_imm:$b, GPR:$a))]>,
1175 Requires<[IsARM, CarryDefIsUnused]> {
1179 def RSCSrs : AXI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
1180 DPSoRegFrm, IIC_iALUsr, "rscs\t$dst, $a, $b",
1181 [(set GPR:$dst, (sube so_reg:$b, GPR:$a))]>,
1182 Requires<[IsARM, CarryDefIsUnused]> {
1188 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
1189 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
1190 (SUBri GPR:$src, so_imm_neg:$imm)>;
1192 //def : ARMPat<(addc GPR:$src, so_imm_neg:$imm),
1193 // (SUBSri GPR:$src, so_imm_neg:$imm)>;
1194 //def : ARMPat<(adde GPR:$src, so_imm_neg:$imm),
1195 // (SBCri GPR:$src, so_imm_neg:$imm)>;
1197 // Note: These are implemented in C++ code, because they have to generate
1198 // ADD/SUBrs instructions, which use a complex pattern that a xform function
1200 // (mul X, 2^n+1) -> (add (X << n), X)
1201 // (mul X, 2^n-1) -> (rsb X, (X << n))
1204 //===----------------------------------------------------------------------===//
1205 // Bitwise Instructions.
1208 defm AND : AsI1_bin_irs<0b0000, "and",
1209 BinOpFrag<(and node:$LHS, node:$RHS)>, 1>;
1210 defm ORR : AsI1_bin_irs<0b1100, "orr",
1211 BinOpFrag<(or node:$LHS, node:$RHS)>, 1>;
1212 defm EOR : AsI1_bin_irs<0b0001, "eor",
1213 BinOpFrag<(xor node:$LHS, node:$RHS)>, 1>;
1214 defm BIC : AsI1_bin_irs<0b1110, "bic",
1215 BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
1217 def BFC : I<(outs GPR:$dst), (ins GPR:$src, bf_inv_mask_imm:$imm),
1218 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
1219 "bfc", "\t$dst, $imm", "$src = $dst",
1220 [(set GPR:$dst, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
1221 Requires<[IsARM, HasV6T2]> {
1222 let Inst{27-21} = 0b0111110;
1223 let Inst{6-0} = 0b0011111;
1226 def MVNr : AsI1<0b1111, (outs GPR:$dst), (ins GPR:$src), DPFrm, IIC_iMOVr,
1227 "mvn", "\t$dst, $src",
1228 [(set GPR:$dst, (not GPR:$src))]>, UnaryDP {
1229 let Inst{11-4} = 0b00000000;
1231 def MVNs : AsI1<0b1111, (outs GPR:$dst), (ins so_reg:$src), DPSoRegFrm,
1232 IIC_iMOVsr, "mvn", "\t$dst, $src",
1233 [(set GPR:$dst, (not so_reg:$src))]>, UnaryDP;
1234 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
1235 def MVNi : AsI1<0b1111, (outs GPR:$dst), (ins so_imm:$imm), DPFrm,
1236 IIC_iMOVi, "mvn", "\t$dst, $imm",
1237 [(set GPR:$dst, so_imm_not:$imm)]>,UnaryDP {
1241 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
1242 (BICri GPR:$src, so_imm_not:$imm)>;
1244 //===----------------------------------------------------------------------===//
1245 // Multiply Instructions.
1248 let isCommutable = 1 in
1249 def MUL : AsMul1I<0b0000000, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1250 IIC_iMUL32, "mul", "\t$dst, $a, $b",
1251 [(set GPR:$dst, (mul GPR:$a, GPR:$b))]>;
1253 def MLA : AsMul1I<0b0000001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1254 IIC_iMAC32, "mla", "\t$dst, $a, $b, $c",
1255 [(set GPR:$dst, (add (mul GPR:$a, GPR:$b), GPR:$c))]>;
1257 def MLS : AMul1I<0b0000011, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1258 IIC_iMAC32, "mls", "\t$dst, $a, $b, $c",
1259 [(set GPR:$dst, (sub GPR:$c, (mul GPR:$a, GPR:$b)))]>,
1260 Requires<[IsARM, HasV6T2]>;
1262 // Extra precision multiplies with low / high results
1263 let neverHasSideEffects = 1 in {
1264 let isCommutable = 1 in {
1265 def SMULL : AsMul1I<0b0000110, (outs GPR:$ldst, GPR:$hdst),
1266 (ins GPR:$a, GPR:$b), IIC_iMUL64,
1267 "smull", "\t$ldst, $hdst, $a, $b", []>;
1269 def UMULL : AsMul1I<0b0000100, (outs GPR:$ldst, GPR:$hdst),
1270 (ins GPR:$a, GPR:$b), IIC_iMUL64,
1271 "umull", "\t$ldst, $hdst, $a, $b", []>;
1274 // Multiply + accumulate
1275 def SMLAL : AsMul1I<0b0000111, (outs GPR:$ldst, GPR:$hdst),
1276 (ins GPR:$a, GPR:$b), IIC_iMAC64,
1277 "smlal", "\t$ldst, $hdst, $a, $b", []>;
1279 def UMLAL : AsMul1I<0b0000101, (outs GPR:$ldst, GPR:$hdst),
1280 (ins GPR:$a, GPR:$b), IIC_iMAC64,
1281 "umlal", "\t$ldst, $hdst, $a, $b", []>;
1283 def UMAAL : AMul1I <0b0000010, (outs GPR:$ldst, GPR:$hdst),
1284 (ins GPR:$a, GPR:$b), IIC_iMAC64,
1285 "umaal", "\t$ldst, $hdst, $a, $b", []>,
1286 Requires<[IsARM, HasV6]>;
1287 } // neverHasSideEffects
1289 // Most significant word multiply
1290 def SMMUL : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1291 IIC_iMUL32, "smmul", "\t$dst, $a, $b",
1292 [(set GPR:$dst, (mulhs GPR:$a, GPR:$b))]>,
1293 Requires<[IsARM, HasV6]> {
1294 let Inst{7-4} = 0b0001;
1295 let Inst{15-12} = 0b1111;
1298 def SMMLA : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1299 IIC_iMAC32, "smmla", "\t$dst, $a, $b, $c",
1300 [(set GPR:$dst, (add (mulhs GPR:$a, GPR:$b), GPR:$c))]>,
1301 Requires<[IsARM, HasV6]> {
1302 let Inst{7-4} = 0b0001;
1306 def SMMLS : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1307 IIC_iMAC32, "smmls", "\t$dst, $a, $b, $c",
1308 [(set GPR:$dst, (sub GPR:$c, (mulhs GPR:$a, GPR:$b)))]>,
1309 Requires<[IsARM, HasV6]> {
1310 let Inst{7-4} = 0b1101;
1313 multiclass AI_smul<string opc, PatFrag opnode> {
1314 def BB : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1315 IIC_iMUL32, !strconcat(opc, "bb"), "\t$dst, $a, $b",
1316 [(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16),
1317 (sext_inreg GPR:$b, i16)))]>,
1318 Requires<[IsARM, HasV5TE]> {
1323 def BT : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1324 IIC_iMUL32, !strconcat(opc, "bt"), "\t$dst, $a, $b",
1325 [(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16),
1326 (sra GPR:$b, (i32 16))))]>,
1327 Requires<[IsARM, HasV5TE]> {
1332 def TB : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1333 IIC_iMUL32, !strconcat(opc, "tb"), "\t$dst, $a, $b",
1334 [(set GPR:$dst, (opnode (sra GPR:$a, (i32 16)),
1335 (sext_inreg GPR:$b, i16)))]>,
1336 Requires<[IsARM, HasV5TE]> {
1341 def TT : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1342 IIC_iMUL32, !strconcat(opc, "tt"), "\t$dst, $a, $b",
1343 [(set GPR:$dst, (opnode (sra GPR:$a, (i32 16)),
1344 (sra GPR:$b, (i32 16))))]>,
1345 Requires<[IsARM, HasV5TE]> {
1350 def WB : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1351 IIC_iMUL16, !strconcat(opc, "wb"), "\t$dst, $a, $b",
1352 [(set GPR:$dst, (sra (opnode GPR:$a,
1353 (sext_inreg GPR:$b, i16)), (i32 16)))]>,
1354 Requires<[IsARM, HasV5TE]> {
1359 def WT : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1360 IIC_iMUL16, !strconcat(opc, "wt"), "\t$dst, $a, $b",
1361 [(set GPR:$dst, (sra (opnode GPR:$a,
1362 (sra GPR:$b, (i32 16))), (i32 16)))]>,
1363 Requires<[IsARM, HasV5TE]> {
1370 multiclass AI_smla<string opc, PatFrag opnode> {
1371 def BB : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1372 IIC_iMAC16, !strconcat(opc, "bb"), "\t$dst, $a, $b, $acc",
1373 [(set GPR:$dst, (add GPR:$acc,
1374 (opnode (sext_inreg GPR:$a, i16),
1375 (sext_inreg GPR:$b, i16))))]>,
1376 Requires<[IsARM, HasV5TE]> {
1381 def BT : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1382 IIC_iMAC16, !strconcat(opc, "bt"), "\t$dst, $a, $b, $acc",
1383 [(set GPR:$dst, (add GPR:$acc, (opnode (sext_inreg GPR:$a, i16),
1384 (sra GPR:$b, (i32 16)))))]>,
1385 Requires<[IsARM, HasV5TE]> {
1390 def TB : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1391 IIC_iMAC16, !strconcat(opc, "tb"), "\t$dst, $a, $b, $acc",
1392 [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, (i32 16)),
1393 (sext_inreg GPR:$b, i16))))]>,
1394 Requires<[IsARM, HasV5TE]> {
1399 def TT : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1400 IIC_iMAC16, !strconcat(opc, "tt"), "\t$dst, $a, $b, $acc",
1401 [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, (i32 16)),
1402 (sra GPR:$b, (i32 16)))))]>,
1403 Requires<[IsARM, HasV5TE]> {
1408 def WB : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1409 IIC_iMAC16, !strconcat(opc, "wb"), "\t$dst, $a, $b, $acc",
1410 [(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a,
1411 (sext_inreg GPR:$b, i16)), (i32 16))))]>,
1412 Requires<[IsARM, HasV5TE]> {
1417 def WT : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1418 IIC_iMAC16, !strconcat(opc, "wt"), "\t$dst, $a, $b, $acc",
1419 [(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a,
1420 (sra GPR:$b, (i32 16))), (i32 16))))]>,
1421 Requires<[IsARM, HasV5TE]> {
1427 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
1428 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
1430 // TODO: Halfword multiple accumulate long: SMLAL<x><y>
1431 // TODO: Dual halfword multiple: SMUAD, SMUSD, SMLAD, SMLSD, SMLALD, SMLSLD
1433 //===----------------------------------------------------------------------===//
1434 // Misc. Arithmetic Instructions.
1437 def CLZ : AMiscA1I<0b000010110, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
1438 "clz", "\t$dst, $src",
1439 [(set GPR:$dst, (ctlz GPR:$src))]>, Requires<[IsARM, HasV5T]> {
1440 let Inst{7-4} = 0b0001;
1441 let Inst{11-8} = 0b1111;
1442 let Inst{19-16} = 0b1111;
1445 def REV : AMiscA1I<0b01101011, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
1446 "rev", "\t$dst, $src",
1447 [(set GPR:$dst, (bswap GPR:$src))]>, Requires<[IsARM, HasV6]> {
1448 let Inst{7-4} = 0b0011;
1449 let Inst{11-8} = 0b1111;
1450 let Inst{19-16} = 0b1111;
1453 def REV16 : AMiscA1I<0b01101011, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
1454 "rev16", "\t$dst, $src",
1456 (or (and (srl GPR:$src, (i32 8)), 0xFF),
1457 (or (and (shl GPR:$src, (i32 8)), 0xFF00),
1458 (or (and (srl GPR:$src, (i32 8)), 0xFF0000),
1459 (and (shl GPR:$src, (i32 8)), 0xFF000000)))))]>,
1460 Requires<[IsARM, HasV6]> {
1461 let Inst{7-4} = 0b1011;
1462 let Inst{11-8} = 0b1111;
1463 let Inst{19-16} = 0b1111;
1466 def REVSH : AMiscA1I<0b01101111, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
1467 "revsh", "\t$dst, $src",
1470 (or (srl (and GPR:$src, 0xFF00), (i32 8)),
1471 (shl GPR:$src, (i32 8))), i16))]>,
1472 Requires<[IsARM, HasV6]> {
1473 let Inst{7-4} = 0b1011;
1474 let Inst{11-8} = 0b1111;
1475 let Inst{19-16} = 0b1111;
1478 def PKHBT : AMiscA1I<0b01101000, (outs GPR:$dst),
1479 (ins GPR:$src1, GPR:$src2, i32imm:$shamt),
1480 IIC_iALUsi, "pkhbt", "\t$dst, $src1, $src2, LSL $shamt",
1481 [(set GPR:$dst, (or (and GPR:$src1, 0xFFFF),
1482 (and (shl GPR:$src2, (i32 imm:$shamt)),
1484 Requires<[IsARM, HasV6]> {
1485 let Inst{6-4} = 0b001;
1488 // Alternate cases for PKHBT where identities eliminate some nodes.
1489 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF), (and GPR:$src2, 0xFFFF0000)),
1490 (PKHBT GPR:$src1, GPR:$src2, 0)>;
1491 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF), (shl GPR:$src2, imm16_31:$shamt)),
1492 (PKHBT GPR:$src1, GPR:$src2, imm16_31:$shamt)>;
1495 def PKHTB : AMiscA1I<0b01101000, (outs GPR:$dst),
1496 (ins GPR:$src1, GPR:$src2, i32imm:$shamt),
1497 IIC_iALUsi, "pkhtb", "\t$dst, $src1, $src2, ASR $shamt",
1498 [(set GPR:$dst, (or (and GPR:$src1, 0xFFFF0000),
1499 (and (sra GPR:$src2, imm16_31:$shamt),
1500 0xFFFF)))]>, Requires<[IsARM, HasV6]> {
1501 let Inst{6-4} = 0b101;
1504 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
1505 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
1506 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000), (srl GPR:$src2, (i32 16))),
1507 (PKHTB GPR:$src1, GPR:$src2, 16)>;
1508 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000),
1509 (and (srl GPR:$src2, imm1_15:$shamt), 0xFFFF)),
1510 (PKHTB GPR:$src1, GPR:$src2, imm1_15:$shamt)>;
1512 //===----------------------------------------------------------------------===//
1513 // Comparison Instructions...
1516 defm CMP : AI1_cmp_irs<0b1010, "cmp",
1517 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
1518 defm CMN : AI1_cmp_irs<0b1011, "cmn",
1519 BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
1521 // Note that TST/TEQ don't set all the same flags that CMP does!
1522 defm TST : AI1_cmp_irs<0b1000, "tst",
1523 BinOpFrag<(ARMcmpZ (and node:$LHS, node:$RHS), 0)>, 1>;
1524 defm TEQ : AI1_cmp_irs<0b1001, "teq",
1525 BinOpFrag<(ARMcmpZ (xor node:$LHS, node:$RHS), 0)>, 1>;
1527 defm CMPz : AI1_cmp_irs<0b1010, "cmp",
1528 BinOpFrag<(ARMcmpZ node:$LHS, node:$RHS)>>;
1529 defm CMNz : AI1_cmp_irs<0b1011, "cmn",
1530 BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>>;
1532 def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
1533 (CMNri GPR:$src, so_imm_neg:$imm)>;
1535 def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
1536 (CMNri GPR:$src, so_imm_neg:$imm)>;
1539 // Conditional moves
1540 // FIXME: should be able to write a pattern for ARMcmov, but can't use
1541 // a two-value operand where a dag node expects two operands. :(
1542 def MOVCCr : AI1<0b1101, (outs GPR:$dst), (ins GPR:$false, GPR:$true), DPFrm,
1543 IIC_iCMOVr, "mov", "\t$dst, $true",
1544 [/*(set GPR:$dst, (ARMcmov GPR:$false, GPR:$true, imm:$cc, CCR:$ccr))*/]>,
1545 RegConstraint<"$false = $dst">, UnaryDP {
1546 let Inst{11-4} = 0b00000000;
1550 def MOVCCs : AI1<0b1101, (outs GPR:$dst),
1551 (ins GPR:$false, so_reg:$true), DPSoRegFrm, IIC_iCMOVsr,
1552 "mov", "\t$dst, $true",
1553 [/*(set GPR:$dst, (ARMcmov GPR:$false, so_reg:$true, imm:$cc, CCR:$ccr))*/]>,
1554 RegConstraint<"$false = $dst">, UnaryDP {
1558 def MOVCCi : AI1<0b1101, (outs GPR:$dst),
1559 (ins GPR:$false, so_imm:$true), DPFrm, IIC_iCMOVi,
1560 "mov", "\t$dst, $true",
1561 [/*(set GPR:$dst, (ARMcmov GPR:$false, so_imm:$true, imm:$cc, CCR:$ccr))*/]>,
1562 RegConstraint<"$false = $dst">, UnaryDP {
1567 //===----------------------------------------------------------------------===//
1571 // __aeabi_read_tp preserves the registers r1-r3.
1573 Defs = [R0, R12, LR, CPSR] in {
1574 def TPsoft : ABXI<0b1011, (outs), (ins), IIC_Br,
1575 "bl\t__aeabi_read_tp",
1576 [(set R0, ARMthread_pointer)]>;
1579 //===----------------------------------------------------------------------===//
1580 // SJLJ Exception handling intrinsics
1581 // eh_sjlj_setjmp() is an instruction sequence to store the return
1582 // address and save #0 in R0 for the non-longjmp case.
1583 // Since by its nature we may be coming from some other function to get
1584 // here, and we're using the stack frame for the containing function to
1585 // save/restore registers, we can't keep anything live in regs across
1586 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
1587 // when we get here from a longjmp(). We force everthing out of registers
1588 // except for our own input by listing the relevant registers in Defs. By
1589 // doing so, we also cause the prologue/epilogue code to actively preserve
1590 // all of the callee-saved resgisters, which is exactly what we want.
1592 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, D0,
1593 D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15,
1594 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26, D27, D28, D29, D30,
1596 def Int_eh_sjlj_setjmp : XI<(outs), (ins GPR:$src),
1597 AddrModeNone, SizeSpecial, IndexModeNone,
1598 Pseudo, NoItinerary,
1599 "str\tsp, [$src, #+8] @ eh_setjmp begin\n\t"
1600 "add\tr12, pc, #8\n\t"
1601 "str\tr12, [$src, #+4]\n\t"
1603 "add\tpc, pc, #0\n\t"
1604 "mov\tr0, #1 @ eh_setjmp end", "",
1605 [(set R0, (ARMeh_sjlj_setjmp GPR:$src))]>;
1608 //===----------------------------------------------------------------------===//
1609 // Non-Instruction Patterns
1612 // ConstantPool, GlobalAddress, and JumpTable
1613 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>;
1614 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
1615 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
1616 (LEApcrelJT tjumptable:$dst, imm:$id)>;
1618 // Large immediate handling.
1620 // Two piece so_imms.
1621 let isReMaterializable = 1 in
1622 def MOVi2pieces : AI1x2<(outs GPR:$dst), (ins so_imm2part:$src),
1624 "mov", "\t$dst, $src",
1625 [(set GPR:$dst, so_imm2part:$src)]>,
1626 Requires<[IsARM, NoV6T2]>;
1628 def : ARMPat<(or GPR:$LHS, so_imm2part:$RHS),
1629 (ORRri (ORRri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
1630 (so_imm2part_2 imm:$RHS))>;
1631 def : ARMPat<(xor GPR:$LHS, so_imm2part:$RHS),
1632 (EORri (EORri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
1633 (so_imm2part_2 imm:$RHS))>;
1634 def : ARMPat<(add GPR:$LHS, so_imm2part:$RHS),
1635 (ADDri (ADDri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
1636 (so_imm2part_2 imm:$RHS))>;
1637 def : ARMPat<(add GPR:$LHS, so_neg_imm2part:$RHS),
1638 (SUBri (SUBri GPR:$LHS, (so_neg_imm2part_1 imm:$RHS)),
1639 (so_neg_imm2part_2 imm:$RHS))>;
1641 // 32-bit immediate using movw + movt.
1642 // This is a single pseudo instruction, the benefit is that it can be remat'd
1643 // as a single unit instead of having to handle reg inputs.
1644 // FIXME: Remove this when we can do generalized remat.
1645 let isReMaterializable = 1 in
1646 def MOVi32imm : AI1x2<(outs GPR:$dst), (ins i32imm:$src), Pseudo, IIC_iMOVi,
1647 "movw", "\t$dst, ${src:lo16}\n\tmovt${p} $dst, ${src:hi16}",
1648 [(set GPR:$dst, (i32 imm:$src))]>,
1649 Requires<[IsARM, HasV6T2]>;
1651 // TODO: add,sub,and, 3-instr forms?
1655 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>,
1656 Requires<[IsARM, IsNotDarwin]>;
1657 def : ARMPat<(ARMcall texternalsym:$func), (BLr9 texternalsym:$func)>,
1658 Requires<[IsARM, IsDarwin]>;
1660 // zextload i1 -> zextload i8
1661 def : ARMPat<(zextloadi1 addrmode2:$addr), (LDRB addrmode2:$addr)>;
1663 // extload -> zextload
1664 def : ARMPat<(extloadi1 addrmode2:$addr), (LDRB addrmode2:$addr)>;
1665 def : ARMPat<(extloadi8 addrmode2:$addr), (LDRB addrmode2:$addr)>;
1666 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
1668 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
1669 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
1672 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
1673 (sra (shl GPR:$b, (i32 16)), (i32 16))),
1674 (SMULBB GPR:$a, GPR:$b)>;
1675 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
1676 (SMULBB GPR:$a, GPR:$b)>;
1677 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
1678 (sra GPR:$b, (i32 16))),
1679 (SMULBT GPR:$a, GPR:$b)>;
1680 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
1681 (SMULBT GPR:$a, GPR:$b)>;
1682 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
1683 (sra (shl GPR:$b, (i32 16)), (i32 16))),
1684 (SMULTB GPR:$a, GPR:$b)>;
1685 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
1686 (SMULTB GPR:$a, GPR:$b)>;
1687 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
1689 (SMULWB GPR:$a, GPR:$b)>;
1690 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
1691 (SMULWB GPR:$a, GPR:$b)>;
1693 def : ARMV5TEPat<(add GPR:$acc,
1694 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
1695 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
1696 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
1697 def : ARMV5TEPat<(add GPR:$acc,
1698 (mul sext_16_node:$a, sext_16_node:$b)),
1699 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
1700 def : ARMV5TEPat<(add GPR:$acc,
1701 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
1702 (sra GPR:$b, (i32 16)))),
1703 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
1704 def : ARMV5TEPat<(add GPR:$acc,
1705 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
1706 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
1707 def : ARMV5TEPat<(add GPR:$acc,
1708 (mul (sra GPR:$a, (i32 16)),
1709 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
1710 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
1711 def : ARMV5TEPat<(add GPR:$acc,
1712 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
1713 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
1714 def : ARMV5TEPat<(add GPR:$acc,
1715 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
1717 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
1718 def : ARMV5TEPat<(add GPR:$acc,
1719 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
1720 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
1722 //===----------------------------------------------------------------------===//
1726 include "ARMInstrThumb.td"
1728 //===----------------------------------------------------------------------===//
1732 include "ARMInstrThumb2.td"
1734 //===----------------------------------------------------------------------===//
1735 // Floating Point Support
1738 include "ARMInstrVFP.td"
1740 //===----------------------------------------------------------------------===//
1741 // Advanced SIMD (NEON) Support
1744 include "ARMInstrNEON.td"