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 /// imm0_31 predicate - True if the 32-bit immediate is in the range [0,31].
288 def imm0_31 : Operand<i32>, PatLeaf<(imm), [{
289 return (int32_t)N->getZExtValue() < 32;
292 // Define ARM specific addressing modes.
294 // addrmode2 := reg +/- reg shop imm
295 // addrmode2 := reg +/- imm12
297 def addrmode2 : Operand<i32>,
298 ComplexPattern<i32, 3, "SelectAddrMode2", []> {
299 let PrintMethod = "printAddrMode2Operand";
300 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
303 def am2offset : Operand<i32>,
304 ComplexPattern<i32, 2, "SelectAddrMode2Offset", []> {
305 let PrintMethod = "printAddrMode2OffsetOperand";
306 let MIOperandInfo = (ops GPR, i32imm);
309 // addrmode3 := reg +/- reg
310 // addrmode3 := reg +/- imm8
312 def addrmode3 : Operand<i32>,
313 ComplexPattern<i32, 3, "SelectAddrMode3", []> {
314 let PrintMethod = "printAddrMode3Operand";
315 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
318 def am3offset : Operand<i32>,
319 ComplexPattern<i32, 2, "SelectAddrMode3Offset", []> {
320 let PrintMethod = "printAddrMode3OffsetOperand";
321 let MIOperandInfo = (ops GPR, i32imm);
324 // addrmode4 := reg, <mode|W>
326 def addrmode4 : Operand<i32>,
327 ComplexPattern<i32, 2, "SelectAddrMode4", []> {
328 let PrintMethod = "printAddrMode4Operand";
329 let MIOperandInfo = (ops GPR, i32imm);
332 // addrmode5 := reg +/- imm8*4
334 def addrmode5 : Operand<i32>,
335 ComplexPattern<i32, 2, "SelectAddrMode5", []> {
336 let PrintMethod = "printAddrMode5Operand";
337 let MIOperandInfo = (ops GPR, i32imm);
340 // addrmode6 := reg with optional writeback
342 def addrmode6 : Operand<i32>,
343 ComplexPattern<i32, 4, "SelectAddrMode6", []> {
344 let PrintMethod = "printAddrMode6Operand";
345 let MIOperandInfo = (ops GPR:$addr, GPR:$upd, i32imm, i32imm);
348 // addrmodepc := pc + reg
350 def addrmodepc : Operand<i32>,
351 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
352 let PrintMethod = "printAddrModePCOperand";
353 let MIOperandInfo = (ops GPR, i32imm);
356 def nohash_imm : Operand<i32> {
357 let PrintMethod = "printNoHashImmediate";
360 //===----------------------------------------------------------------------===//
362 include "ARMInstrFormats.td"
364 //===----------------------------------------------------------------------===//
365 // Multiclass helpers...
368 /// AsI1_bin_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns for a
369 /// binop that produces a value.
370 multiclass AsI1_bin_irs<bits<4> opcod, string opc, PatFrag opnode,
371 bit Commutable = 0> {
372 def ri : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
373 IIC_iALUi, opc, "\t$dst, $a, $b",
374 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]> {
377 def rr : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
378 IIC_iALUr, opc, "\t$dst, $a, $b",
379 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]> {
380 let Inst{11-4} = 0b00000000;
382 let isCommutable = Commutable;
384 def rs : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
385 IIC_iALUsr, opc, "\t$dst, $a, $b",
386 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]> {
391 /// AI1_bin_s_irs - Similar to AsI1_bin_irs except it sets the 's' bit so the
392 /// instruction modifies the CPSR register.
393 let Defs = [CPSR] in {
394 multiclass AI1_bin_s_irs<bits<4> opcod, string opc, PatFrag opnode,
395 bit Commutable = 0> {
396 def ri : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
397 IIC_iALUi, opc, "\t$dst, $a, $b",
398 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]> {
402 def rr : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
403 IIC_iALUr, opc, "\t$dst, $a, $b",
404 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]> {
405 let isCommutable = Commutable;
406 let Inst{11-4} = 0b00000000;
410 def rs : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
411 IIC_iALUsr, opc, "\t$dst, $a, $b",
412 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]> {
419 /// AI1_cmp_irs - Defines a set of (op r, {so_imm|r|so_reg}) cmp / test
420 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
421 /// a explicit result, only implicitly set CPSR.
422 let Defs = [CPSR] in {
423 multiclass AI1_cmp_irs<bits<4> opcod, string opc, PatFrag opnode,
424 bit Commutable = 0> {
425 def ri : AI1<opcod, (outs), (ins GPR:$a, so_imm:$b), DPFrm, IIC_iCMPi,
427 [(opnode GPR:$a, so_imm:$b)]> {
431 def rr : AI1<opcod, (outs), (ins GPR:$a, GPR:$b), DPFrm, IIC_iCMPr,
433 [(opnode GPR:$a, GPR:$b)]> {
434 let Inst{11-4} = 0b00000000;
437 let isCommutable = Commutable;
439 def rs : AI1<opcod, (outs), (ins GPR:$a, so_reg:$b), DPSoRegFrm, IIC_iCMPsr,
441 [(opnode GPR:$a, so_reg:$b)]> {
448 /// AI_unary_rrot - A unary operation with two forms: one whose operand is a
449 /// register and one whose operand is a register rotated by 8/16/24.
450 /// FIXME: Remove the 'r' variant. Its rot_imm is zero.
451 multiclass AI_unary_rrot<bits<8> opcod, string opc, PatFrag opnode> {
452 def r : AExtI<opcod, (outs GPR:$dst), (ins GPR:$src),
453 IIC_iUNAr, opc, "\t$dst, $src",
454 [(set GPR:$dst, (opnode GPR:$src))]>,
455 Requires<[IsARM, HasV6]> {
456 let Inst{11-10} = 0b00;
457 let Inst{19-16} = 0b1111;
459 def r_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$src, i32imm:$rot),
460 IIC_iUNAsi, opc, "\t$dst, $src, ror $rot",
461 [(set GPR:$dst, (opnode (rotr GPR:$src, rot_imm:$rot)))]>,
462 Requires<[IsARM, HasV6]> {
463 let Inst{19-16} = 0b1111;
467 /// AI_bin_rrot - A binary operation with two forms: one whose operand is a
468 /// register and one whose operand is a register rotated by 8/16/24.
469 multiclass AI_bin_rrot<bits<8> opcod, string opc, PatFrag opnode> {
470 def rr : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS),
471 IIC_iALUr, opc, "\t$dst, $LHS, $RHS",
472 [(set GPR:$dst, (opnode GPR:$LHS, GPR:$RHS))]>,
473 Requires<[IsARM, HasV6]> {
474 let Inst{11-10} = 0b00;
476 def rr_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS, i32imm:$rot),
477 IIC_iALUsi, opc, "\t$dst, $LHS, $RHS, ror $rot",
478 [(set GPR:$dst, (opnode GPR:$LHS,
479 (rotr GPR:$RHS, rot_imm:$rot)))]>,
480 Requires<[IsARM, HasV6]>;
483 /// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
484 let Uses = [CPSR] in {
485 multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode,
486 bit Commutable = 0> {
487 def ri : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
488 DPFrm, IIC_iALUi, opc, "\t$dst, $a, $b",
489 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]>,
490 Requires<[IsARM, CarryDefIsUnused]> {
493 def rr : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
494 DPFrm, IIC_iALUr, opc, "\t$dst, $a, $b",
495 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]>,
496 Requires<[IsARM, CarryDefIsUnused]> {
497 let isCommutable = Commutable;
498 let Inst{11-4} = 0b00000000;
501 def rs : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
502 DPSoRegFrm, IIC_iALUsr, opc, "\t$dst, $a, $b",
503 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]>,
504 Requires<[IsARM, CarryDefIsUnused]> {
508 // Carry setting variants
509 let Defs = [CPSR] in {
510 multiclass AI1_adde_sube_s_irs<bits<4> opcod, string opc, PatFrag opnode,
511 bit Commutable = 0> {
512 def Sri : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
513 DPFrm, IIC_iALUi, !strconcat(opc, "\t$dst, $a, $b"),
514 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]>,
515 Requires<[IsARM, CarryDefIsUsed]> {
520 def Srr : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
521 DPFrm, IIC_iALUr, !strconcat(opc, "\t$dst, $a, $b"),
522 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]>,
523 Requires<[IsARM, CarryDefIsUsed]> {
525 let Inst{11-4} = 0b00000000;
529 def Srs : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
530 DPSoRegFrm, IIC_iALUsr, !strconcat(opc, "\t$dst, $a, $b"),
531 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]>,
532 Requires<[IsARM, CarryDefIsUsed]> {
541 //===----------------------------------------------------------------------===//
543 //===----------------------------------------------------------------------===//
545 //===----------------------------------------------------------------------===//
546 // Miscellaneous Instructions.
549 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
550 /// the function. The first operand is the ID# for this instruction, the second
551 /// is the index into the MachineConstantPool that this is, the third is the
552 /// size in bytes of this constant pool entry.
553 let neverHasSideEffects = 1, isNotDuplicable = 1 in
554 def CONSTPOOL_ENTRY :
555 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
556 i32imm:$size), NoItinerary,
557 "${instid:label} ${cpidx:cpentry}", []>;
559 let Defs = [SP], Uses = [SP] in {
561 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary,
562 "@ ADJCALLSTACKUP $amt1",
563 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
565 def ADJCALLSTACKDOWN :
566 PseudoInst<(outs), (ins i32imm:$amt, pred:$p), NoItinerary,
567 "@ ADJCALLSTACKDOWN $amt",
568 [(ARMcallseq_start timm:$amt)]>;
572 PseudoInst<(outs), (ins i32imm:$line, i32imm:$col, i32imm:$file), NoItinerary,
573 ".loc $file, $line, $col",
574 [(dwarf_loc (i32 imm:$line), (i32 imm:$col), (i32 imm:$file))]>;
577 // Address computation and loads and stores in PIC mode.
578 let isNotDuplicable = 1 in {
579 def PICADD : AXI1<0b0100, (outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
580 Pseudo, IIC_iALUr, "\n$cp:\n\tadd$p\t$dst, pc, $a",
581 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
583 let AddedComplexity = 10 in {
584 let canFoldAsLoad = 1 in
585 def PICLDR : AXI2ldw<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
586 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldr$p\t$dst, $addr",
587 [(set GPR:$dst, (load addrmodepc:$addr))]>;
589 def PICLDRH : AXI3ldh<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
590 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldr${p}h\t$dst, $addr",
591 [(set GPR:$dst, (zextloadi16 addrmodepc:$addr))]>;
593 def PICLDRB : AXI2ldb<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
594 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldr${p}b\t$dst, $addr",
595 [(set GPR:$dst, (zextloadi8 addrmodepc:$addr))]>;
597 def PICLDRSH : AXI3ldsh<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
598 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldr${p}sh\t$dst, $addr",
599 [(set GPR:$dst, (sextloadi16 addrmodepc:$addr))]>;
601 def PICLDRSB : AXI3ldsb<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
602 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldr${p}sb\t$dst, $addr",
603 [(set GPR:$dst, (sextloadi8 addrmodepc:$addr))]>;
605 let AddedComplexity = 10 in {
606 def PICSTR : AXI2stw<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
607 Pseudo, IIC_iStorer, "\n${addr:label}:\n\tstr$p\t$src, $addr",
608 [(store GPR:$src, addrmodepc:$addr)]>;
610 def PICSTRH : AXI3sth<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
611 Pseudo, IIC_iStorer, "\n${addr:label}:\n\tstr${p}h\t$src, $addr",
612 [(truncstorei16 GPR:$src, addrmodepc:$addr)]>;
614 def PICSTRB : AXI2stb<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
615 Pseudo, IIC_iStorer, "\n${addr:label}:\n\tstr${p}b\t$src, $addr",
616 [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
618 } // isNotDuplicable = 1
621 // LEApcrel - Load a pc-relative address into a register without offending the
623 def LEApcrel : AXI1<0x0, (outs GPR:$dst), (ins i32imm:$label, pred:$p),
625 !strconcat(!strconcat(".set ${:private}PCRELV${:uid}, ($label-(",
626 "${:private}PCRELL${:uid}+8))\n"),
627 !strconcat("${:private}PCRELL${:uid}:\n\t",
628 "add$p\t$dst, pc, #${:private}PCRELV${:uid}")),
631 def LEApcrelJT : AXI1<0x0, (outs GPR:$dst),
632 (ins i32imm:$label, nohash_imm:$id, pred:$p),
634 !strconcat(!strconcat(".set ${:private}PCRELV${:uid}, "
636 "${:private}PCRELL${:uid}+8))\n"),
637 !strconcat("${:private}PCRELL${:uid}:\n\t",
638 "add$p\t$dst, pc, #${:private}PCRELV${:uid}")),
643 //===----------------------------------------------------------------------===//
644 // Control Flow Instructions.
647 let isReturn = 1, isTerminator = 1, isBarrier = 1 in
648 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
649 "bx", "\tlr", [(ARMretflag)]> {
650 let Inst{3-0} = 0b1110;
651 let Inst{7-4} = 0b0001;
652 let Inst{19-8} = 0b111111111111;
653 let Inst{27-20} = 0b00010010;
657 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
658 def BRIND : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
659 [(brind GPR:$dst)]> {
660 let Inst{7-4} = 0b0001;
661 let Inst{19-8} = 0b111111111111;
662 let Inst{27-20} = 0b00010010;
663 let Inst{31-28} = 0b1110;
667 // FIXME: remove when we have a way to marking a MI with these properties.
668 // FIXME: Should pc be an implicit operand like PICADD, etc?
669 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
670 hasExtraDefRegAllocReq = 1 in
671 def LDM_RET : AXI4ld<(outs),
672 (ins addrmode4:$addr, pred:$p, reglist:$wb, variable_ops),
673 LdStMulFrm, IIC_Br, "ldm${addr:submode}${p}\t$addr, $wb",
676 // On non-Darwin platforms R9 is callee-saved.
678 Defs = [R0, R1, R2, R3, R12, LR,
679 D0, D1, D2, D3, D4, D5, D6, D7,
680 D16, D17, D18, D19, D20, D21, D22, D23,
681 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR] in {
682 def BL : ABXI<0b1011, (outs), (ins i32imm:$func, variable_ops),
683 IIC_Br, "bl\t${func:call}",
684 [(ARMcall tglobaladdr:$func)]>,
685 Requires<[IsARM, IsNotDarwin]> {
686 let Inst{31-28} = 0b1110;
689 def BL_pred : ABI<0b1011, (outs), (ins i32imm:$func, variable_ops),
690 IIC_Br, "bl", "\t${func:call}",
691 [(ARMcall_pred tglobaladdr:$func)]>,
692 Requires<[IsARM, IsNotDarwin]>;
695 def BLX : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
696 IIC_Br, "blx\t$func",
697 [(ARMcall GPR:$func)]>,
698 Requires<[IsARM, HasV5T, IsNotDarwin]> {
699 let Inst{7-4} = 0b0011;
700 let Inst{19-8} = 0b111111111111;
701 let Inst{27-20} = 0b00010010;
705 def BX : ABXIx2<(outs), (ins GPR:$func, variable_ops),
706 IIC_Br, "mov\tlr, pc\n\tbx\t$func",
707 [(ARMcall_nolink GPR:$func)]>,
708 Requires<[IsARM, IsNotDarwin]> {
709 let Inst{7-4} = 0b0001;
710 let Inst{19-8} = 0b111111111111;
711 let Inst{27-20} = 0b00010010;
715 // On Darwin R9 is call-clobbered.
717 Defs = [R0, R1, R2, R3, R9, R12, LR,
718 D0, D1, D2, D3, D4, D5, D6, D7,
719 D16, D17, D18, D19, D20, D21, D22, D23,
720 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR] in {
721 def BLr9 : ABXI<0b1011, (outs), (ins i32imm:$func, variable_ops),
722 IIC_Br, "bl\t${func:call}",
723 [(ARMcall tglobaladdr:$func)]>, Requires<[IsARM, IsDarwin]> {
724 let Inst{31-28} = 0b1110;
727 def BLr9_pred : ABI<0b1011, (outs), (ins i32imm:$func, variable_ops),
728 IIC_Br, "bl", "\t${func:call}",
729 [(ARMcall_pred tglobaladdr:$func)]>,
730 Requires<[IsARM, IsDarwin]>;
733 def BLXr9 : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
734 IIC_Br, "blx\t$func",
735 [(ARMcall GPR:$func)]>, Requires<[IsARM, HasV5T, IsDarwin]> {
736 let Inst{7-4} = 0b0011;
737 let Inst{19-8} = 0b111111111111;
738 let Inst{27-20} = 0b00010010;
742 def BXr9 : ABXIx2<(outs), (ins GPR:$func, variable_ops),
743 IIC_Br, "mov\tlr, pc\n\tbx\t$func",
744 [(ARMcall_nolink GPR:$func)]>, Requires<[IsARM, IsDarwin]> {
745 let Inst{7-4} = 0b0001;
746 let Inst{19-8} = 0b111111111111;
747 let Inst{27-20} = 0b00010010;
751 let isBranch = 1, isTerminator = 1 in {
752 // B is "predicable" since it can be xformed into a Bcc.
753 let isBarrier = 1 in {
754 let isPredicable = 1 in
755 def B : ABXI<0b1010, (outs), (ins brtarget:$target), IIC_Br,
756 "b\t$target", [(br bb:$target)]>;
758 let isNotDuplicable = 1, isIndirectBranch = 1 in {
759 def BR_JTr : JTI<(outs), (ins GPR:$target, jtblock_operand:$jt, i32imm:$id),
760 IIC_Br, "mov\tpc, $target \n$jt",
761 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]> {
762 let Inst{20} = 0; // S Bit
763 let Inst{24-21} = 0b1101;
764 let Inst{27-25} = 0b000;
766 def BR_JTm : JTI<(outs),
767 (ins addrmode2:$target, jtblock_operand:$jt, i32imm:$id),
768 IIC_Br, "ldr\tpc, $target \n$jt",
769 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
771 let Inst{20} = 1; // L bit
772 let Inst{21} = 0; // W bit
773 let Inst{22} = 0; // B bit
774 let Inst{24} = 1; // P bit
775 let Inst{27-25} = 0b011;
777 def BR_JTadd : JTI<(outs),
778 (ins GPR:$target, GPR:$idx, jtblock_operand:$jt, i32imm:$id),
779 IIC_Br, "add\tpc, $target, $idx \n$jt",
780 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
782 let Inst{20} = 0; // S bit
783 let Inst{24-21} = 0b0100;
784 let Inst{27-25} = 0b000;
786 } // isNotDuplicable = 1, isIndirectBranch = 1
789 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
790 // a two-value operand where a dag node expects two operands. :(
791 def Bcc : ABI<0b1010, (outs), (ins brtarget:$target),
792 IIC_Br, "b", "\t$target",
793 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]>;
796 //===----------------------------------------------------------------------===//
797 // Load / store Instructions.
801 let canFoldAsLoad = 1, isReMaterializable = 1 in
802 def LDR : AI2ldw<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm, IIC_iLoadr,
803 "ldr", "\t$dst, $addr",
804 [(set GPR:$dst, (load addrmode2:$addr))]>;
806 // Special LDR for loads from non-pc-relative constpools.
807 let canFoldAsLoad = 1, mayLoad = 1, isReMaterializable = 1 in
808 def LDRcp : AI2ldw<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm, IIC_iLoadr,
809 "ldr", "\t$dst, $addr", []>;
811 // Loads with zero extension
812 def LDRH : AI3ldh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
813 IIC_iLoadr, "ldrh", "\t$dst, $addr",
814 [(set GPR:$dst, (zextloadi16 addrmode3:$addr))]>;
816 def LDRB : AI2ldb<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm,
817 IIC_iLoadr, "ldrb", "\t$dst, $addr",
818 [(set GPR:$dst, (zextloadi8 addrmode2:$addr))]>;
820 // Loads with sign extension
821 def LDRSH : AI3ldsh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
822 IIC_iLoadr, "ldrsh", "\t$dst, $addr",
823 [(set GPR:$dst, (sextloadi16 addrmode3:$addr))]>;
825 def LDRSB : AI3ldsb<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
826 IIC_iLoadr, "ldrsb", "\t$dst, $addr",
827 [(set GPR:$dst, (sextloadi8 addrmode3:$addr))]>;
829 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in {
831 def LDRD : AI3ldd<(outs GPR:$dst1, GPR:$dst2), (ins addrmode3:$addr), LdMiscFrm,
832 IIC_iLoadr, "ldrd", "\t$dst1, $addr",
833 []>, Requires<[IsARM, HasV5TE]>;
836 def LDR_PRE : AI2ldwpr<(outs GPR:$dst, GPR:$base_wb),
837 (ins addrmode2:$addr), LdFrm, IIC_iLoadru,
838 "ldr", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
840 def LDR_POST : AI2ldwpo<(outs GPR:$dst, GPR:$base_wb),
841 (ins GPR:$base, am2offset:$offset), LdFrm, IIC_iLoadru,
842 "ldr", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
844 def LDRH_PRE : AI3ldhpr<(outs GPR:$dst, GPR:$base_wb),
845 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadru,
846 "ldrh", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
848 def LDRH_POST : AI3ldhpo<(outs GPR:$dst, GPR:$base_wb),
849 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
850 "ldrh", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
852 def LDRB_PRE : AI2ldbpr<(outs GPR:$dst, GPR:$base_wb),
853 (ins addrmode2:$addr), LdFrm, IIC_iLoadru,
854 "ldrb", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
856 def LDRB_POST : AI2ldbpo<(outs GPR:$dst, GPR:$base_wb),
857 (ins GPR:$base,am2offset:$offset), LdFrm, IIC_iLoadru,
858 "ldrb", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
860 def LDRSH_PRE : AI3ldshpr<(outs GPR:$dst, GPR:$base_wb),
861 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadru,
862 "ldrsh", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
864 def LDRSH_POST: AI3ldshpo<(outs GPR:$dst, GPR:$base_wb),
865 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
866 "ldrsh", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
868 def LDRSB_PRE : AI3ldsbpr<(outs GPR:$dst, GPR:$base_wb),
869 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadru,
870 "ldrsb", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
872 def LDRSB_POST: AI3ldsbpo<(outs GPR:$dst, GPR:$base_wb),
873 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
874 "ldrsb", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
878 def STR : AI2stw<(outs), (ins GPR:$src, addrmode2:$addr), StFrm, IIC_iStorer,
879 "str", "\t$src, $addr",
880 [(store GPR:$src, addrmode2:$addr)]>;
882 // Stores with truncate
883 def STRH : AI3sth<(outs), (ins GPR:$src, addrmode3:$addr), StMiscFrm, IIC_iStorer,
884 "strh", "\t$src, $addr",
885 [(truncstorei16 GPR:$src, addrmode3:$addr)]>;
887 def STRB : AI2stb<(outs), (ins GPR:$src, addrmode2:$addr), StFrm, IIC_iStorer,
888 "strb", "\t$src, $addr",
889 [(truncstorei8 GPR:$src, addrmode2:$addr)]>;
892 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
893 def STRD : AI3std<(outs), (ins GPR:$src1, GPR:$src2, addrmode3:$addr),
894 StMiscFrm, IIC_iStorer,
895 "strd", "\t$src1, $addr", []>, Requires<[IsARM, HasV5TE]>;
898 def STR_PRE : AI2stwpr<(outs GPR:$base_wb),
899 (ins GPR:$src, GPR:$base, am2offset:$offset),
901 "str", "\t$src, [$base, $offset]!", "$base = $base_wb",
903 (pre_store GPR:$src, GPR:$base, am2offset:$offset))]>;
905 def STR_POST : AI2stwpo<(outs GPR:$base_wb),
906 (ins GPR:$src, GPR:$base,am2offset:$offset),
908 "str", "\t$src, [$base], $offset", "$base = $base_wb",
910 (post_store GPR:$src, GPR:$base, am2offset:$offset))]>;
912 def STRH_PRE : AI3sthpr<(outs GPR:$base_wb),
913 (ins GPR:$src, GPR:$base,am3offset:$offset),
914 StMiscFrm, IIC_iStoreru,
915 "strh", "\t$src, [$base, $offset]!", "$base = $base_wb",
917 (pre_truncsti16 GPR:$src, GPR:$base,am3offset:$offset))]>;
919 def STRH_POST: AI3sthpo<(outs GPR:$base_wb),
920 (ins GPR:$src, GPR:$base,am3offset:$offset),
921 StMiscFrm, IIC_iStoreru,
922 "strh", "\t$src, [$base], $offset", "$base = $base_wb",
923 [(set GPR:$base_wb, (post_truncsti16 GPR:$src,
924 GPR:$base, am3offset:$offset))]>;
926 def STRB_PRE : AI2stbpr<(outs GPR:$base_wb),
927 (ins GPR:$src, GPR:$base,am2offset:$offset),
929 "strb", "\t$src, [$base, $offset]!", "$base = $base_wb",
930 [(set GPR:$base_wb, (pre_truncsti8 GPR:$src,
931 GPR:$base, am2offset:$offset))]>;
933 def STRB_POST: AI2stbpo<(outs GPR:$base_wb),
934 (ins GPR:$src, GPR:$base,am2offset:$offset),
936 "strb", "\t$src, [$base], $offset", "$base = $base_wb",
937 [(set GPR:$base_wb, (post_truncsti8 GPR:$src,
938 GPR:$base, am2offset:$offset))]>;
940 //===----------------------------------------------------------------------===//
941 // Load / store multiple Instructions.
944 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
945 def LDM : AXI4ld<(outs),
946 (ins addrmode4:$addr, pred:$p, reglist:$wb, variable_ops),
947 LdStMulFrm, IIC_iLoadm, "ldm${addr:submode}${p}\t$addr, $wb",
950 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
951 def STM : AXI4st<(outs),
952 (ins addrmode4:$addr, pred:$p, reglist:$wb, variable_ops),
953 LdStMulFrm, IIC_iStorem, "stm${addr:submode}${p}\t$addr, $wb",
956 //===----------------------------------------------------------------------===//
957 // Move Instructions.
960 let neverHasSideEffects = 1 in
961 def MOVr : AsI1<0b1101, (outs GPR:$dst), (ins GPR:$src), DPFrm, IIC_iMOVr,
962 "mov", "\t$dst, $src", []>, UnaryDP {
963 let Inst{11-4} = 0b00000000;
967 def MOVs : AsI1<0b1101, (outs GPR:$dst), (ins so_reg:$src),
968 DPSoRegFrm, IIC_iMOVsr,
969 "mov", "\t$dst, $src", [(set GPR:$dst, so_reg:$src)]>, UnaryDP {
973 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
974 def MOVi : AsI1<0b1101, (outs GPR:$dst), (ins so_imm:$src), DPFrm, IIC_iMOVi,
975 "mov", "\t$dst, $src", [(set GPR:$dst, so_imm:$src)]>, UnaryDP {
979 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
980 def MOVi16 : AI1<0b1000, (outs GPR:$dst), (ins i32imm:$src),
982 "movw", "\t$dst, $src",
983 [(set GPR:$dst, imm0_65535:$src)]>,
984 Requires<[IsARM, HasV6T2]> {
989 let Constraints = "$src = $dst" in
990 def MOVTi16 : AI1<0b1010, (outs GPR:$dst), (ins GPR:$src, i32imm:$imm),
992 "movt", "\t$dst, $imm",
994 (or (and GPR:$src, 0xffff),
995 lo16AllZero:$imm))]>, UnaryDP,
996 Requires<[IsARM, HasV6T2]> {
1001 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
1002 Requires<[IsARM, HasV6T2]>;
1004 let Uses = [CPSR] in
1005 def MOVrx : AsI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo, IIC_iMOVsi,
1006 "mov", "\t$dst, $src, rrx",
1007 [(set GPR:$dst, (ARMrrx GPR:$src))]>, UnaryDP;
1009 // These aren't really mov instructions, but we have to define them this way
1010 // due to flag operands.
1012 let Defs = [CPSR] in {
1013 def MOVsrl_flag : AI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo,
1014 IIC_iMOVsi, "movs", "\t$dst, $src, lsr #1",
1015 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP;
1016 def MOVsra_flag : AI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo,
1017 IIC_iMOVsi, "movs", "\t$dst, $src, asr #1",
1018 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP;
1021 //===----------------------------------------------------------------------===//
1022 // Extend Instructions.
1027 defm SXTB : AI_unary_rrot<0b01101010,
1028 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
1029 defm SXTH : AI_unary_rrot<0b01101011,
1030 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
1032 defm SXTAB : AI_bin_rrot<0b01101010,
1033 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
1034 defm SXTAH : AI_bin_rrot<0b01101011,
1035 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
1037 // TODO: SXT(A){B|H}16
1041 let AddedComplexity = 16 in {
1042 defm UXTB : AI_unary_rrot<0b01101110,
1043 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
1044 defm UXTH : AI_unary_rrot<0b01101111,
1045 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
1046 defm UXTB16 : AI_unary_rrot<0b01101100,
1047 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
1049 def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
1050 (UXTB16r_rot GPR:$Src, 24)>;
1051 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
1052 (UXTB16r_rot GPR:$Src, 8)>;
1054 defm UXTAB : AI_bin_rrot<0b01101110, "uxtab",
1055 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
1056 defm UXTAH : AI_bin_rrot<0b01101111, "uxtah",
1057 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
1060 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
1061 //defm UXTAB16 : xxx<"uxtab16", 0xff00ff>;
1063 // TODO: UXT(A){B|H}16
1065 def SBFX : I<(outs GPR:$dst),
1066 (ins GPR:$src, imm0_31:$lsb, imm0_31:$width),
1067 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iALUi,
1068 "sbfx", "\t$dst, $src, $lsb, $width", "", []>,
1069 Requires<[IsARM, HasV6T2]> {
1070 let Inst{27-21} = 0b0111101;
1071 let Inst{6-4} = 0b101;
1074 def UBFX : I<(outs GPR:$dst),
1075 (ins GPR:$src, imm0_31:$lsb, imm0_31:$width),
1076 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iALUi,
1077 "ubfx", "\t$dst, $src, $lsb, $width", "", []>,
1078 Requires<[IsARM, HasV6T2]> {
1079 let Inst{27-21} = 0b0111111;
1080 let Inst{6-4} = 0b101;
1083 //===----------------------------------------------------------------------===//
1084 // Arithmetic Instructions.
1087 defm ADD : AsI1_bin_irs<0b0100, "add",
1088 BinOpFrag<(add node:$LHS, node:$RHS)>, 1>;
1089 defm SUB : AsI1_bin_irs<0b0010, "sub",
1090 BinOpFrag<(sub node:$LHS, node:$RHS)>>;
1092 // ADD and SUB with 's' bit set.
1093 defm ADDS : AI1_bin_s_irs<0b0100, "adds",
1094 BinOpFrag<(addc node:$LHS, node:$RHS)>, 1>;
1095 defm SUBS : AI1_bin_s_irs<0b0010, "subs",
1096 BinOpFrag<(subc node:$LHS, node:$RHS)>>;
1098 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
1099 BinOpFrag<(adde node:$LHS, node:$RHS)>, 1>;
1100 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
1101 BinOpFrag<(sube node:$LHS, node:$RHS)>>;
1102 defm ADCS : AI1_adde_sube_s_irs<0b0101, "adcs",
1103 BinOpFrag<(adde node:$LHS, node:$RHS)>, 1>;
1104 defm SBCS : AI1_adde_sube_s_irs<0b0110, "sbcs",
1105 BinOpFrag<(sube node:$LHS, node:$RHS)>>;
1107 // These don't define reg/reg forms, because they are handled above.
1108 def RSBri : AsI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
1109 IIC_iALUi, "rsb", "\t$dst, $a, $b",
1110 [(set GPR:$dst, (sub so_imm:$b, GPR:$a))]> {
1114 def RSBrs : AsI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
1115 IIC_iALUsr, "rsb", "\t$dst, $a, $b",
1116 [(set GPR:$dst, (sub so_reg:$b, GPR:$a))]> {
1120 // RSB with 's' bit set.
1121 let Defs = [CPSR] in {
1122 def RSBSri : AI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
1123 IIC_iALUi, "rsbs", "\t$dst, $a, $b",
1124 [(set GPR:$dst, (subc so_imm:$b, GPR:$a))]> {
1128 def RSBSrs : AI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
1129 IIC_iALUsr, "rsbs", "\t$dst, $a, $b",
1130 [(set GPR:$dst, (subc so_reg:$b, GPR:$a))]> {
1136 let Uses = [CPSR] in {
1137 def RSCri : AsI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
1138 DPFrm, IIC_iALUi, "rsc", "\t$dst, $a, $b",
1139 [(set GPR:$dst, (sube so_imm:$b, GPR:$a))]>,
1140 Requires<[IsARM, CarryDefIsUnused]> {
1143 def RSCrs : AsI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
1144 DPSoRegFrm, IIC_iALUsr, "rsc", "\t$dst, $a, $b",
1145 [(set GPR:$dst, (sube so_reg:$b, GPR:$a))]>,
1146 Requires<[IsARM, CarryDefIsUnused]> {
1151 // FIXME: Allow these to be predicated.
1152 let Defs = [CPSR], Uses = [CPSR] in {
1153 def RSCSri : AXI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
1154 DPFrm, IIC_iALUi, "rscs\t$dst, $a, $b",
1155 [(set GPR:$dst, (sube so_imm:$b, GPR:$a))]>,
1156 Requires<[IsARM, CarryDefIsUnused]> {
1160 def RSCSrs : AXI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
1161 DPSoRegFrm, IIC_iALUsr, "rscs\t$dst, $a, $b",
1162 [(set GPR:$dst, (sube so_reg:$b, GPR:$a))]>,
1163 Requires<[IsARM, CarryDefIsUnused]> {
1169 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
1170 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
1171 (SUBri GPR:$src, so_imm_neg:$imm)>;
1173 //def : ARMPat<(addc GPR:$src, so_imm_neg:$imm),
1174 // (SUBSri GPR:$src, so_imm_neg:$imm)>;
1175 //def : ARMPat<(adde GPR:$src, so_imm_neg:$imm),
1176 // (SBCri GPR:$src, so_imm_neg:$imm)>;
1178 // Note: These are implemented in C++ code, because they have to generate
1179 // ADD/SUBrs instructions, which use a complex pattern that a xform function
1181 // (mul X, 2^n+1) -> (add (X << n), X)
1182 // (mul X, 2^n-1) -> (rsb X, (X << n))
1185 //===----------------------------------------------------------------------===//
1186 // Bitwise Instructions.
1189 defm AND : AsI1_bin_irs<0b0000, "and",
1190 BinOpFrag<(and node:$LHS, node:$RHS)>, 1>;
1191 defm ORR : AsI1_bin_irs<0b1100, "orr",
1192 BinOpFrag<(or node:$LHS, node:$RHS)>, 1>;
1193 defm EOR : AsI1_bin_irs<0b0001, "eor",
1194 BinOpFrag<(xor node:$LHS, node:$RHS)>, 1>;
1195 defm BIC : AsI1_bin_irs<0b1110, "bic",
1196 BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
1198 def BFC : I<(outs GPR:$dst), (ins GPR:$src, bf_inv_mask_imm:$imm),
1199 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
1200 "bfc", "\t$dst, $imm", "$src = $dst",
1201 [(set GPR:$dst, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
1202 Requires<[IsARM, HasV6T2]> {
1203 let Inst{27-21} = 0b0111110;
1204 let Inst{6-0} = 0b0011111;
1207 def MVNr : AsI1<0b1111, (outs GPR:$dst), (ins GPR:$src), DPFrm, IIC_iMOVr,
1208 "mvn", "\t$dst, $src",
1209 [(set GPR:$dst, (not GPR:$src))]>, UnaryDP {
1210 let Inst{11-4} = 0b00000000;
1212 def MVNs : AsI1<0b1111, (outs GPR:$dst), (ins so_reg:$src), DPSoRegFrm,
1213 IIC_iMOVsr, "mvn", "\t$dst, $src",
1214 [(set GPR:$dst, (not so_reg:$src))]>, UnaryDP;
1215 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
1216 def MVNi : AsI1<0b1111, (outs GPR:$dst), (ins so_imm:$imm), DPFrm,
1217 IIC_iMOVi, "mvn", "\t$dst, $imm",
1218 [(set GPR:$dst, so_imm_not:$imm)]>,UnaryDP {
1222 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
1223 (BICri GPR:$src, so_imm_not:$imm)>;
1225 //===----------------------------------------------------------------------===//
1226 // Multiply Instructions.
1229 let isCommutable = 1 in
1230 def MUL : AsMul1I<0b0000000, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1231 IIC_iMUL32, "mul", "\t$dst, $a, $b",
1232 [(set GPR:$dst, (mul GPR:$a, GPR:$b))]>;
1234 def MLA : AsMul1I<0b0000001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1235 IIC_iMAC32, "mla", "\t$dst, $a, $b, $c",
1236 [(set GPR:$dst, (add (mul GPR:$a, GPR:$b), GPR:$c))]>;
1238 def MLS : AMul1I<0b0000011, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1239 IIC_iMAC32, "mls", "\t$dst, $a, $b, $c",
1240 [(set GPR:$dst, (sub GPR:$c, (mul GPR:$a, GPR:$b)))]>,
1241 Requires<[IsARM, HasV6T2]>;
1243 // Extra precision multiplies with low / high results
1244 let neverHasSideEffects = 1 in {
1245 let isCommutable = 1 in {
1246 def SMULL : AsMul1I<0b0000110, (outs GPR:$ldst, GPR:$hdst),
1247 (ins GPR:$a, GPR:$b), IIC_iMUL64,
1248 "smull", "\t$ldst, $hdst, $a, $b", []>;
1250 def UMULL : AsMul1I<0b0000100, (outs GPR:$ldst, GPR:$hdst),
1251 (ins GPR:$a, GPR:$b), IIC_iMUL64,
1252 "umull", "\t$ldst, $hdst, $a, $b", []>;
1255 // Multiply + accumulate
1256 def SMLAL : AsMul1I<0b0000111, (outs GPR:$ldst, GPR:$hdst),
1257 (ins GPR:$a, GPR:$b), IIC_iMAC64,
1258 "smlal", "\t$ldst, $hdst, $a, $b", []>;
1260 def UMLAL : AsMul1I<0b0000101, (outs GPR:$ldst, GPR:$hdst),
1261 (ins GPR:$a, GPR:$b), IIC_iMAC64,
1262 "umlal", "\t$ldst, $hdst, $a, $b", []>;
1264 def UMAAL : AMul1I <0b0000010, (outs GPR:$ldst, GPR:$hdst),
1265 (ins GPR:$a, GPR:$b), IIC_iMAC64,
1266 "umaal", "\t$ldst, $hdst, $a, $b", []>,
1267 Requires<[IsARM, HasV6]>;
1268 } // neverHasSideEffects
1270 // Most significant word multiply
1271 def SMMUL : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1272 IIC_iMUL32, "smmul", "\t$dst, $a, $b",
1273 [(set GPR:$dst, (mulhs GPR:$a, GPR:$b))]>,
1274 Requires<[IsARM, HasV6]> {
1275 let Inst{7-4} = 0b0001;
1276 let Inst{15-12} = 0b1111;
1279 def SMMLA : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1280 IIC_iMAC32, "smmla", "\t$dst, $a, $b, $c",
1281 [(set GPR:$dst, (add (mulhs GPR:$a, GPR:$b), GPR:$c))]>,
1282 Requires<[IsARM, HasV6]> {
1283 let Inst{7-4} = 0b0001;
1287 def SMMLS : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1288 IIC_iMAC32, "smmls", "\t$dst, $a, $b, $c",
1289 [(set GPR:$dst, (sub GPR:$c, (mulhs GPR:$a, GPR:$b)))]>,
1290 Requires<[IsARM, HasV6]> {
1291 let Inst{7-4} = 0b1101;
1294 multiclass AI_smul<string opc, PatFrag opnode> {
1295 def BB : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1296 IIC_iMUL32, !strconcat(opc, "bb"), "\t$dst, $a, $b",
1297 [(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16),
1298 (sext_inreg GPR:$b, i16)))]>,
1299 Requires<[IsARM, HasV5TE]> {
1304 def BT : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1305 IIC_iMUL32, !strconcat(opc, "bt"), "\t$dst, $a, $b",
1306 [(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16),
1307 (sra GPR:$b, (i32 16))))]>,
1308 Requires<[IsARM, HasV5TE]> {
1313 def TB : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1314 IIC_iMUL32, !strconcat(opc, "tb"), "\t$dst, $a, $b",
1315 [(set GPR:$dst, (opnode (sra GPR:$a, (i32 16)),
1316 (sext_inreg GPR:$b, i16)))]>,
1317 Requires<[IsARM, HasV5TE]> {
1322 def TT : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1323 IIC_iMUL32, !strconcat(opc, "tt"), "\t$dst, $a, $b",
1324 [(set GPR:$dst, (opnode (sra GPR:$a, (i32 16)),
1325 (sra GPR:$b, (i32 16))))]>,
1326 Requires<[IsARM, HasV5TE]> {
1331 def WB : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1332 IIC_iMUL16, !strconcat(opc, "wb"), "\t$dst, $a, $b",
1333 [(set GPR:$dst, (sra (opnode GPR:$a,
1334 (sext_inreg GPR:$b, i16)), (i32 16)))]>,
1335 Requires<[IsARM, HasV5TE]> {
1340 def WT : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1341 IIC_iMUL16, !strconcat(opc, "wt"), "\t$dst, $a, $b",
1342 [(set GPR:$dst, (sra (opnode GPR:$a,
1343 (sra GPR:$b, (i32 16))), (i32 16)))]>,
1344 Requires<[IsARM, HasV5TE]> {
1351 multiclass AI_smla<string opc, PatFrag opnode> {
1352 def BB : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1353 IIC_iMAC16, !strconcat(opc, "bb"), "\t$dst, $a, $b, $acc",
1354 [(set GPR:$dst, (add GPR:$acc,
1355 (opnode (sext_inreg GPR:$a, i16),
1356 (sext_inreg GPR:$b, i16))))]>,
1357 Requires<[IsARM, HasV5TE]> {
1362 def BT : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1363 IIC_iMAC16, !strconcat(opc, "bt"), "\t$dst, $a, $b, $acc",
1364 [(set GPR:$dst, (add GPR:$acc, (opnode (sext_inreg GPR:$a, i16),
1365 (sra GPR:$b, (i32 16)))))]>,
1366 Requires<[IsARM, HasV5TE]> {
1371 def TB : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1372 IIC_iMAC16, !strconcat(opc, "tb"), "\t$dst, $a, $b, $acc",
1373 [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, (i32 16)),
1374 (sext_inreg GPR:$b, i16))))]>,
1375 Requires<[IsARM, HasV5TE]> {
1380 def TT : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1381 IIC_iMAC16, !strconcat(opc, "tt"), "\t$dst, $a, $b, $acc",
1382 [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, (i32 16)),
1383 (sra GPR:$b, (i32 16)))))]>,
1384 Requires<[IsARM, HasV5TE]> {
1389 def WB : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1390 IIC_iMAC16, !strconcat(opc, "wb"), "\t$dst, $a, $b, $acc",
1391 [(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a,
1392 (sext_inreg GPR:$b, i16)), (i32 16))))]>,
1393 Requires<[IsARM, HasV5TE]> {
1398 def WT : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1399 IIC_iMAC16, !strconcat(opc, "wt"), "\t$dst, $a, $b, $acc",
1400 [(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a,
1401 (sra GPR:$b, (i32 16))), (i32 16))))]>,
1402 Requires<[IsARM, HasV5TE]> {
1408 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
1409 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
1411 // TODO: Halfword multiple accumulate long: SMLAL<x><y>
1412 // TODO: Dual halfword multiple: SMUAD, SMUSD, SMLAD, SMLSD, SMLALD, SMLSLD
1414 //===----------------------------------------------------------------------===//
1415 // Misc. Arithmetic Instructions.
1418 def CLZ : AMiscA1I<0b000010110, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
1419 "clz", "\t$dst, $src",
1420 [(set GPR:$dst, (ctlz GPR:$src))]>, Requires<[IsARM, HasV5T]> {
1421 let Inst{7-4} = 0b0001;
1422 let Inst{11-8} = 0b1111;
1423 let Inst{19-16} = 0b1111;
1426 def REV : AMiscA1I<0b01101011, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
1427 "rev", "\t$dst, $src",
1428 [(set GPR:$dst, (bswap GPR:$src))]>, Requires<[IsARM, HasV6]> {
1429 let Inst{7-4} = 0b0011;
1430 let Inst{11-8} = 0b1111;
1431 let Inst{19-16} = 0b1111;
1434 def REV16 : AMiscA1I<0b01101011, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
1435 "rev16", "\t$dst, $src",
1437 (or (and (srl GPR:$src, (i32 8)), 0xFF),
1438 (or (and (shl GPR:$src, (i32 8)), 0xFF00),
1439 (or (and (srl GPR:$src, (i32 8)), 0xFF0000),
1440 (and (shl GPR:$src, (i32 8)), 0xFF000000)))))]>,
1441 Requires<[IsARM, HasV6]> {
1442 let Inst{7-4} = 0b1011;
1443 let Inst{11-8} = 0b1111;
1444 let Inst{19-16} = 0b1111;
1447 def REVSH : AMiscA1I<0b01101111, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
1448 "revsh", "\t$dst, $src",
1451 (or (srl (and GPR:$src, 0xFF00), (i32 8)),
1452 (shl GPR:$src, (i32 8))), i16))]>,
1453 Requires<[IsARM, HasV6]> {
1454 let Inst{7-4} = 0b1011;
1455 let Inst{11-8} = 0b1111;
1456 let Inst{19-16} = 0b1111;
1459 def PKHBT : AMiscA1I<0b01101000, (outs GPR:$dst),
1460 (ins GPR:$src1, GPR:$src2, i32imm:$shamt),
1461 IIC_iALUsi, "pkhbt", "\t$dst, $src1, $src2, LSL $shamt",
1462 [(set GPR:$dst, (or (and GPR:$src1, 0xFFFF),
1463 (and (shl GPR:$src2, (i32 imm:$shamt)),
1465 Requires<[IsARM, HasV6]> {
1466 let Inst{6-4} = 0b001;
1469 // Alternate cases for PKHBT where identities eliminate some nodes.
1470 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF), (and GPR:$src2, 0xFFFF0000)),
1471 (PKHBT GPR:$src1, GPR:$src2, 0)>;
1472 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF), (shl GPR:$src2, imm16_31:$shamt)),
1473 (PKHBT GPR:$src1, GPR:$src2, imm16_31:$shamt)>;
1476 def PKHTB : AMiscA1I<0b01101000, (outs GPR:$dst),
1477 (ins GPR:$src1, GPR:$src2, i32imm:$shamt),
1478 IIC_iALUsi, "pkhtb", "\t$dst, $src1, $src2, ASR $shamt",
1479 [(set GPR:$dst, (or (and GPR:$src1, 0xFFFF0000),
1480 (and (sra GPR:$src2, imm16_31:$shamt),
1481 0xFFFF)))]>, Requires<[IsARM, HasV6]> {
1482 let Inst{6-4} = 0b101;
1485 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
1486 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
1487 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000), (srl GPR:$src2, (i32 16))),
1488 (PKHTB GPR:$src1, GPR:$src2, 16)>;
1489 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000),
1490 (and (srl GPR:$src2, imm1_15:$shamt), 0xFFFF)),
1491 (PKHTB GPR:$src1, GPR:$src2, imm1_15:$shamt)>;
1493 //===----------------------------------------------------------------------===//
1494 // Comparison Instructions...
1497 defm CMP : AI1_cmp_irs<0b1010, "cmp",
1498 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
1499 defm CMN : AI1_cmp_irs<0b1011, "cmn",
1500 BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
1502 // Note that TST/TEQ don't set all the same flags that CMP does!
1503 defm TST : AI1_cmp_irs<0b1000, "tst",
1504 BinOpFrag<(ARMcmpZ (and node:$LHS, node:$RHS), 0)>, 1>;
1505 defm TEQ : AI1_cmp_irs<0b1001, "teq",
1506 BinOpFrag<(ARMcmpZ (xor node:$LHS, node:$RHS), 0)>, 1>;
1508 defm CMPz : AI1_cmp_irs<0b1010, "cmp",
1509 BinOpFrag<(ARMcmpZ node:$LHS, node:$RHS)>>;
1510 defm CMNz : AI1_cmp_irs<0b1011, "cmn",
1511 BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>>;
1513 def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
1514 (CMNri GPR:$src, so_imm_neg:$imm)>;
1516 def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
1517 (CMNri GPR:$src, so_imm_neg:$imm)>;
1520 // Conditional moves
1521 // FIXME: should be able to write a pattern for ARMcmov, but can't use
1522 // a two-value operand where a dag node expects two operands. :(
1523 def MOVCCr : AI1<0b1101, (outs GPR:$dst), (ins GPR:$false, GPR:$true), DPFrm,
1524 IIC_iCMOVr, "mov", "\t$dst, $true",
1525 [/*(set GPR:$dst, (ARMcmov GPR:$false, GPR:$true, imm:$cc, CCR:$ccr))*/]>,
1526 RegConstraint<"$false = $dst">, UnaryDP {
1527 let Inst{11-4} = 0b00000000;
1531 def MOVCCs : AI1<0b1101, (outs GPR:$dst),
1532 (ins GPR:$false, so_reg:$true), DPSoRegFrm, IIC_iCMOVsr,
1533 "mov", "\t$dst, $true",
1534 [/*(set GPR:$dst, (ARMcmov GPR:$false, so_reg:$true, imm:$cc, CCR:$ccr))*/]>,
1535 RegConstraint<"$false = $dst">, UnaryDP {
1539 def MOVCCi : AI1<0b1101, (outs GPR:$dst),
1540 (ins GPR:$false, so_imm:$true), DPFrm, IIC_iCMOVi,
1541 "mov", "\t$dst, $true",
1542 [/*(set GPR:$dst, (ARMcmov GPR:$false, so_imm:$true, imm:$cc, CCR:$ccr))*/]>,
1543 RegConstraint<"$false = $dst">, UnaryDP {
1548 //===----------------------------------------------------------------------===//
1552 // __aeabi_read_tp preserves the registers r1-r3.
1554 Defs = [R0, R12, LR, CPSR] in {
1555 def TPsoft : ABXI<0b1011, (outs), (ins), IIC_Br,
1556 "bl\t__aeabi_read_tp",
1557 [(set R0, ARMthread_pointer)]>;
1560 //===----------------------------------------------------------------------===//
1561 // SJLJ Exception handling intrinsics
1562 // eh_sjlj_setjmp() is an instruction sequence to store the return
1563 // address and save #0 in R0 for the non-longjmp case.
1564 // Since by its nature we may be coming from some other function to get
1565 // here, and we're using the stack frame for the containing function to
1566 // save/restore registers, we can't keep anything live in regs across
1567 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
1568 // when we get here from a longjmp(). We force everthing out of registers
1569 // except for our own input by listing the relevant registers in Defs. By
1570 // doing so, we also cause the prologue/epilogue code to actively preserve
1571 // all of the callee-saved resgisters, which is exactly what we want.
1573 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, D0,
1574 D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15,
1575 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26, D27, D28, D29, D30,
1577 def Int_eh_sjlj_setjmp : XI<(outs), (ins GPR:$src),
1578 AddrModeNone, SizeSpecial, IndexModeNone,
1579 Pseudo, NoItinerary,
1580 "str\tsp, [$src, #+8] @ eh_setjmp begin\n\t"
1581 "add\tr12, pc, #8\n\t"
1582 "str\tr12, [$src, #+4]\n\t"
1584 "add\tpc, pc, #0\n\t"
1585 "mov\tr0, #1 @ eh_setjmp end", "",
1586 [(set R0, (ARMeh_sjlj_setjmp GPR:$src))]>;
1589 //===----------------------------------------------------------------------===//
1590 // Non-Instruction Patterns
1593 // ConstantPool, GlobalAddress, and JumpTable
1594 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>;
1595 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
1596 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
1597 (LEApcrelJT tjumptable:$dst, imm:$id)>;
1599 // Large immediate handling.
1601 // Two piece so_imms.
1602 let isReMaterializable = 1 in
1603 def MOVi2pieces : AI1x2<(outs GPR:$dst), (ins so_imm2part:$src),
1605 "mov", "\t$dst, $src",
1606 [(set GPR:$dst, so_imm2part:$src)]>,
1607 Requires<[IsARM, NoV6T2]>;
1609 def : ARMPat<(or GPR:$LHS, so_imm2part:$RHS),
1610 (ORRri (ORRri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
1611 (so_imm2part_2 imm:$RHS))>;
1612 def : ARMPat<(xor GPR:$LHS, so_imm2part:$RHS),
1613 (EORri (EORri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
1614 (so_imm2part_2 imm:$RHS))>;
1615 def : ARMPat<(add GPR:$LHS, so_imm2part:$RHS),
1616 (ADDri (ADDri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
1617 (so_imm2part_2 imm:$RHS))>;
1618 def : ARMPat<(sub GPR:$LHS, so_imm2part:$RHS),
1619 (SUBri (SUBri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
1620 (so_imm2part_2 imm:$RHS))>;
1622 // 32-bit immediate using movw + movt.
1623 // This is a single pseudo instruction, the benefit is that it can be remat'd
1624 // as a single unit instead of having to handle reg inputs.
1625 // FIXME: Remove this when we can do generalized remat.
1626 let isReMaterializable = 1 in
1627 def MOVi32imm : AI1x2<(outs GPR:$dst), (ins i32imm:$src), Pseudo, IIC_iMOVi,
1628 "movw", "\t$dst, ${src:lo16}\n\tmovt${p} $dst, ${src:hi16}",
1629 [(set GPR:$dst, (i32 imm:$src))]>,
1630 Requires<[IsARM, HasV6T2]>;
1632 // TODO: add,sub,and, 3-instr forms?
1636 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>,
1637 Requires<[IsARM, IsNotDarwin]>;
1638 def : ARMPat<(ARMcall texternalsym:$func), (BLr9 texternalsym:$func)>,
1639 Requires<[IsARM, IsDarwin]>;
1641 // zextload i1 -> zextload i8
1642 def : ARMPat<(zextloadi1 addrmode2:$addr), (LDRB addrmode2:$addr)>;
1644 // extload -> zextload
1645 def : ARMPat<(extloadi1 addrmode2:$addr), (LDRB addrmode2:$addr)>;
1646 def : ARMPat<(extloadi8 addrmode2:$addr), (LDRB addrmode2:$addr)>;
1647 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
1649 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
1650 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
1653 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
1654 (sra (shl GPR:$b, (i32 16)), (i32 16))),
1655 (SMULBB GPR:$a, GPR:$b)>;
1656 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
1657 (SMULBB GPR:$a, GPR:$b)>;
1658 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
1659 (sra GPR:$b, (i32 16))),
1660 (SMULBT GPR:$a, GPR:$b)>;
1661 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
1662 (SMULBT GPR:$a, GPR:$b)>;
1663 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
1664 (sra (shl GPR:$b, (i32 16)), (i32 16))),
1665 (SMULTB GPR:$a, GPR:$b)>;
1666 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
1667 (SMULTB GPR:$a, GPR:$b)>;
1668 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
1670 (SMULWB GPR:$a, GPR:$b)>;
1671 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
1672 (SMULWB GPR:$a, GPR:$b)>;
1674 def : ARMV5TEPat<(add GPR:$acc,
1675 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
1676 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
1677 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
1678 def : ARMV5TEPat<(add GPR:$acc,
1679 (mul sext_16_node:$a, sext_16_node:$b)),
1680 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
1681 def : ARMV5TEPat<(add GPR:$acc,
1682 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
1683 (sra GPR:$b, (i32 16)))),
1684 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
1685 def : ARMV5TEPat<(add GPR:$acc,
1686 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
1687 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
1688 def : ARMV5TEPat<(add GPR:$acc,
1689 (mul (sra GPR:$a, (i32 16)),
1690 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
1691 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
1692 def : ARMV5TEPat<(add GPR:$acc,
1693 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
1694 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
1695 def : ARMV5TEPat<(add GPR:$acc,
1696 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
1698 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
1699 def : ARMV5TEPat<(add GPR:$acc,
1700 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
1701 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
1703 //===----------------------------------------------------------------------===//
1707 include "ARMInstrThumb.td"
1709 //===----------------------------------------------------------------------===//
1713 include "ARMInstrThumb2.td"
1715 //===----------------------------------------------------------------------===//
1716 // Floating Point Support
1719 include "ARMInstrVFP.td"
1721 //===----------------------------------------------------------------------===//
1722 // Advanced SIMD (NEON) Support
1725 include "ARMInstrNEON.td"