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, [SDTCisPtrTy<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_ARMBCC_i64 : SDTypeProfile<0, 6,
43 SDTCisVT<1, i32>, SDTCisVT<2, i32>,
44 SDTCisVT<3, i32>, SDTCisVT<4, i32>,
45 SDTCisVT<5, OtherVT>]>;
47 def SDT_ARMAnd : SDTypeProfile<1, 2,
48 [SDTCisVT<0, i32>, SDTCisVT<1, i32>,
51 def SDT_ARMCmp : SDTypeProfile<0, 2, [SDTCisSameAs<0, 1>]>;
53 def SDT_ARMPICAdd : SDTypeProfile<1, 2, [SDTCisSameAs<0, 1>,
54 SDTCisPtrTy<1>, SDTCisVT<2, i32>]>;
56 def SDT_ARMThreadPointer : SDTypeProfile<1, 0, [SDTCisPtrTy<0>]>;
57 def SDT_ARMEH_SJLJ_Setjmp : SDTypeProfile<1, 2, [SDTCisInt<0>, SDTCisPtrTy<1>,
59 def SDT_ARMEH_SJLJ_Longjmp: SDTypeProfile<0, 2, [SDTCisPtrTy<0>, SDTCisInt<1>]>;
61 def SDT_ARMMEMBARRIER : SDTypeProfile<0, 0, []>;
62 def SDT_ARMSYNCBARRIER : SDTypeProfile<0, 0, []>;
63 def SDT_ARMMEMBARRIERMCR : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
64 def SDT_ARMSYNCBARRIERMCR : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
66 def SDT_ARMTCRET : SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>;
68 def SDT_ARMBFI : SDTypeProfile<1, 3, [SDTCisVT<0, i32>, SDTCisVT<1, i32>,
69 SDTCisVT<2, i32>, SDTCisVT<3, i32>]>;
72 def ARMWrapper : SDNode<"ARMISD::Wrapper", SDTIntUnaryOp>;
73 def ARMWrapperJT : SDNode<"ARMISD::WrapperJT", SDTIntBinOp>;
75 def ARMcallseq_start : SDNode<"ISD::CALLSEQ_START", SDT_ARMCallSeqStart,
76 [SDNPHasChain, SDNPOutFlag]>;
77 def ARMcallseq_end : SDNode<"ISD::CALLSEQ_END", SDT_ARMCallSeqEnd,
78 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
80 def ARMcall : SDNode<"ARMISD::CALL", SDT_ARMcall,
81 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag,
83 def ARMcall_pred : SDNode<"ARMISD::CALL_PRED", SDT_ARMcall,
84 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag,
86 def ARMcall_nolink : SDNode<"ARMISD::CALL_NOLINK", SDT_ARMcall,
87 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag,
90 def ARMretflag : SDNode<"ARMISD::RET_FLAG", SDTNone,
91 [SDNPHasChain, SDNPOptInFlag]>;
93 def ARMcmov : SDNode<"ARMISD::CMOV", SDT_ARMCMov,
95 def ARMcneg : SDNode<"ARMISD::CNEG", SDT_ARMCMov,
98 def ARMbrcond : SDNode<"ARMISD::BRCOND", SDT_ARMBrcond,
99 [SDNPHasChain, SDNPInFlag, SDNPOutFlag]>;
101 def ARMbrjt : SDNode<"ARMISD::BR_JT", SDT_ARMBrJT,
103 def ARMbr2jt : SDNode<"ARMISD::BR2_JT", SDT_ARMBr2JT,
106 def ARMBcci64 : SDNode<"ARMISD::BCC_i64", SDT_ARMBCC_i64,
109 def ARMand : SDNode<"ARMISD::AND", SDT_ARMAnd,
112 def ARMcmp : SDNode<"ARMISD::CMP", SDT_ARMCmp,
115 def ARMcmpZ : SDNode<"ARMISD::CMPZ", SDT_ARMCmp,
116 [SDNPOutFlag, SDNPCommutative]>;
118 def ARMpic_add : SDNode<"ARMISD::PIC_ADD", SDT_ARMPICAdd>;
120 def ARMsrl_flag : SDNode<"ARMISD::SRL_FLAG", SDTIntUnaryOp, [SDNPOutFlag]>;
121 def ARMsra_flag : SDNode<"ARMISD::SRA_FLAG", SDTIntUnaryOp, [SDNPOutFlag]>;
122 def ARMrrx : SDNode<"ARMISD::RRX" , SDTIntUnaryOp, [SDNPInFlag ]>;
124 def ARMthread_pointer: SDNode<"ARMISD::THREAD_POINTER", SDT_ARMThreadPointer>;
125 def ARMeh_sjlj_setjmp: SDNode<"ARMISD::EH_SJLJ_SETJMP",
126 SDT_ARMEH_SJLJ_Setjmp, [SDNPHasChain]>;
127 def ARMeh_sjlj_longjmp: SDNode<"ARMISD::EH_SJLJ_LONGJMP",
128 SDT_ARMEH_SJLJ_Longjmp, [SDNPHasChain]>;
130 def ARMMemBarrier : SDNode<"ARMISD::MEMBARRIER", SDT_ARMMEMBARRIER,
132 def ARMSyncBarrier : SDNode<"ARMISD::SYNCBARRIER", SDT_ARMMEMBARRIER,
134 def ARMMemBarrierMCR : SDNode<"ARMISD::MEMBARRIER", SDT_ARMMEMBARRIERMCR,
136 def ARMSyncBarrierMCR : SDNode<"ARMISD::SYNCBARRIER", SDT_ARMMEMBARRIERMCR,
139 def ARMrbit : SDNode<"ARMISD::RBIT", SDTIntUnaryOp>;
141 def ARMtcret : SDNode<"ARMISD::TC_RETURN", SDT_ARMTCRET,
142 [SDNPHasChain, SDNPOptInFlag, SDNPVariadic]>;
145 def ARMbfi : SDNode<"ARMISD::BFI", SDT_ARMBFI>;
147 //===----------------------------------------------------------------------===//
148 // ARM Instruction Predicate Definitions.
150 def HasV4T : Predicate<"Subtarget->hasV4TOps()">;
151 def NoV4T : Predicate<"!Subtarget->hasV4TOps()">;
152 def HasV5T : Predicate<"Subtarget->hasV5TOps()">;
153 def HasV5TE : Predicate<"Subtarget->hasV5TEOps()">;
154 def HasV6 : Predicate<"Subtarget->hasV6Ops()">;
155 def HasV6T2 : Predicate<"Subtarget->hasV6T2Ops()">;
156 def NoV6T2 : Predicate<"!Subtarget->hasV6T2Ops()">;
157 def HasV7 : Predicate<"Subtarget->hasV7Ops()">;
158 def NoVFP : Predicate<"!Subtarget->hasVFP2()">;
159 def HasVFP2 : Predicate<"Subtarget->hasVFP2()">;
160 def HasVFP3 : Predicate<"Subtarget->hasVFP3()">;
161 def HasNEON : Predicate<"Subtarget->hasNEON()">;
162 def HasDivide : Predicate<"Subtarget->hasDivide()">;
163 def HasT2ExtractPack : Predicate<"Subtarget->hasT2ExtractPack()">;
164 def HasDB : Predicate<"Subtarget->hasDataBarrier()">;
165 def UseNEONForFP : Predicate<"Subtarget->useNEONForSinglePrecisionFP()">;
166 def DontUseNEONForFP : Predicate<"!Subtarget->useNEONForSinglePrecisionFP()">;
167 def IsThumb : Predicate<"Subtarget->isThumb()">;
168 def IsThumb1Only : Predicate<"Subtarget->isThumb1Only()">;
169 def IsThumb2 : Predicate<"Subtarget->isThumb2()">;
170 def IsARM : Predicate<"!Subtarget->isThumb()">;
171 def IsDarwin : Predicate<"Subtarget->isTargetDarwin()">;
172 def IsNotDarwin : Predicate<"!Subtarget->isTargetDarwin()">;
174 // FIXME: Eventually this will be just "hasV6T2Ops".
175 def UseMovt : Predicate<"Subtarget->useMovt()">;
176 def DontUseMovt : Predicate<"!Subtarget->useMovt()">;
177 def UseVMLx : Predicate<"Subtarget->useVMLx()">;
179 //===----------------------------------------------------------------------===//
180 // ARM Flag Definitions.
182 class RegConstraint<string C> {
183 string Constraints = C;
186 //===----------------------------------------------------------------------===//
187 // ARM specific transformation functions and pattern fragments.
190 // so_imm_neg_XFORM - Return a so_imm value packed into the format described for
191 // so_imm_neg def below.
192 def so_imm_neg_XFORM : SDNodeXForm<imm, [{
193 return CurDAG->getTargetConstant(-(int)N->getZExtValue(), MVT::i32);
196 // so_imm_not_XFORM - Return a so_imm value packed into the format described for
197 // so_imm_not def below.
198 def so_imm_not_XFORM : SDNodeXForm<imm, [{
199 return CurDAG->getTargetConstant(~(int)N->getZExtValue(), MVT::i32);
202 // rot_imm predicate - True if the 32-bit immediate is equal to 8, 16, or 24.
203 def rot_imm : PatLeaf<(i32 imm), [{
204 int32_t v = (int32_t)N->getZExtValue();
205 return v == 8 || v == 16 || v == 24;
208 /// imm1_15 predicate - True if the 32-bit immediate is in the range [1,15].
209 def imm1_15 : PatLeaf<(i32 imm), [{
210 return (int32_t)N->getZExtValue() >= 1 && (int32_t)N->getZExtValue() < 16;
213 /// imm16_31 predicate - True if the 32-bit immediate is in the range [16,31].
214 def imm16_31 : PatLeaf<(i32 imm), [{
215 return (int32_t)N->getZExtValue() >= 16 && (int32_t)N->getZExtValue() < 32;
220 return ARM_AM::getSOImmVal(-(int)N->getZExtValue()) != -1;
221 }], so_imm_neg_XFORM>;
225 return ARM_AM::getSOImmVal(~(int)N->getZExtValue()) != -1;
226 }], so_imm_not_XFORM>;
228 // sext_16_node predicate - True if the SDNode is sign-extended 16 or more bits.
229 def sext_16_node : PatLeaf<(i32 GPR:$a), [{
230 return CurDAG->ComputeNumSignBits(SDValue(N,0)) >= 17;
233 /// bf_inv_mask_imm predicate - An AND mask to clear an arbitrary width bitfield
235 def bf_inv_mask_imm : Operand<i32>,
237 return ARM::isBitFieldInvertedMask(N->getZExtValue());
239 let PrintMethod = "printBitfieldInvMaskImmOperand";
242 /// Split a 32-bit immediate into two 16 bit parts.
243 def hi16 : SDNodeXForm<imm, [{
244 return CurDAG->getTargetConstant((uint32_t)N->getZExtValue() >> 16, MVT::i32);
247 def lo16AllZero : PatLeaf<(i32 imm), [{
248 // Returns true if all low 16-bits are 0.
249 return (((uint32_t)N->getZExtValue()) & 0xFFFFUL) == 0;
252 /// imm0_65535 predicate - True if the 32-bit immediate is in the range
254 def imm0_65535 : PatLeaf<(i32 imm), [{
255 return (uint32_t)N->getZExtValue() < 65536;
258 class BinOpFrag<dag res> : PatFrag<(ops node:$LHS, node:$RHS), res>;
259 class UnOpFrag <dag res> : PatFrag<(ops node:$Src), res>;
261 /// adde and sube predicates - True based on whether the carry flag output
262 /// will be needed or not.
263 def adde_dead_carry :
264 PatFrag<(ops node:$LHS, node:$RHS), (adde node:$LHS, node:$RHS),
265 [{return !N->hasAnyUseOfValue(1);}]>;
266 def sube_dead_carry :
267 PatFrag<(ops node:$LHS, node:$RHS), (sube node:$LHS, node:$RHS),
268 [{return !N->hasAnyUseOfValue(1);}]>;
269 def adde_live_carry :
270 PatFrag<(ops node:$LHS, node:$RHS), (adde node:$LHS, node:$RHS),
271 [{return N->hasAnyUseOfValue(1);}]>;
272 def sube_live_carry :
273 PatFrag<(ops node:$LHS, node:$RHS), (sube node:$LHS, node:$RHS),
274 [{return N->hasAnyUseOfValue(1);}]>;
276 //===----------------------------------------------------------------------===//
277 // Operand Definitions.
281 def brtarget : Operand<OtherVT>;
283 // A list of registers separated by comma. Used by load/store multiple.
284 def reglist : Operand<i32> {
285 let PrintMethod = "printRegisterList";
288 // An operand for the CONSTPOOL_ENTRY pseudo-instruction.
289 def cpinst_operand : Operand<i32> {
290 let PrintMethod = "printCPInstOperand";
293 def jtblock_operand : Operand<i32> {
294 let PrintMethod = "printJTBlockOperand";
296 def jt2block_operand : Operand<i32> {
297 let PrintMethod = "printJT2BlockOperand";
301 def pclabel : Operand<i32> {
302 let PrintMethod = "printPCLabel";
305 // shift_imm: An integer that encodes a shift amount and the type of shift
306 // (currently either asr or lsl) using the same encoding used for the
307 // immediates in so_reg operands.
308 def shift_imm : Operand<i32> {
309 let PrintMethod = "printShiftImmOperand";
312 // shifter_operand operands: so_reg and so_imm.
313 def so_reg : Operand<i32>, // reg reg imm
314 ComplexPattern<i32, 3, "SelectShifterOperandReg",
315 [shl,srl,sra,rotr]> {
316 string EncoderMethod = "getSORegOpValue";
317 let PrintMethod = "printSORegOperand";
318 let MIOperandInfo = (ops GPR, GPR, i32imm);
321 // so_imm - Match a 32-bit shifter_operand immediate operand, which is an
322 // 8-bit immediate rotated by an arbitrary number of bits. so_imm values are
323 // represented in the imm field in the same 12-bit form that they are encoded
324 // into so_imm instructions: the 8-bit immediate is the least significant bits
325 // [bits 0-7], the 4-bit shift amount is the next 4 bits [bits 8-11].
326 def so_imm : Operand<i32>, PatLeaf<(imm), [{ return Pred_so_imm(N); }]> {
327 string EncoderMethod = "getSOImmOpValue";
328 let PrintMethod = "printSOImmOperand";
331 // Break so_imm's up into two pieces. This handles immediates with up to 16
332 // bits set in them. This uses so_imm2part to match and so_imm2part_[12] to
333 // get the first/second pieces.
334 def so_imm2part : Operand<i32>,
336 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
338 let PrintMethod = "printSOImm2PartOperand";
341 def so_imm2part_1 : SDNodeXForm<imm, [{
342 unsigned V = ARM_AM::getSOImmTwoPartFirst((unsigned)N->getZExtValue());
343 return CurDAG->getTargetConstant(V, MVT::i32);
346 def so_imm2part_2 : SDNodeXForm<imm, [{
347 unsigned V = ARM_AM::getSOImmTwoPartSecond((unsigned)N->getZExtValue());
348 return CurDAG->getTargetConstant(V, MVT::i32);
351 def so_neg_imm2part : Operand<i32>, PatLeaf<(imm), [{
352 return ARM_AM::isSOImmTwoPartVal(-(int)N->getZExtValue());
354 let PrintMethod = "printSOImm2PartOperand";
357 def so_neg_imm2part_1 : SDNodeXForm<imm, [{
358 unsigned V = ARM_AM::getSOImmTwoPartFirst(-(int)N->getZExtValue());
359 return CurDAG->getTargetConstant(V, MVT::i32);
362 def so_neg_imm2part_2 : SDNodeXForm<imm, [{
363 unsigned V = ARM_AM::getSOImmTwoPartSecond(-(int)N->getZExtValue());
364 return CurDAG->getTargetConstant(V, MVT::i32);
367 /// imm0_31 predicate - True if the 32-bit immediate is in the range [0,31].
368 def imm0_31 : Operand<i32>, PatLeaf<(imm), [{
369 return (int32_t)N->getZExtValue() < 32;
372 // Define ARM specific addressing modes.
374 // addrmode2base := reg +/- imm12
376 def addrmode2base : Operand<i32>,
377 ComplexPattern<i32, 3, "SelectAddrMode2Base", []> {
378 let PrintMethod = "printAddrMode2Operand";
379 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
381 // addrmode2shop := reg +/- reg shop imm
383 def addrmode2shop : Operand<i32>,
384 ComplexPattern<i32, 3, "SelectAddrMode2ShOp", []> {
385 let PrintMethod = "printAddrMode2Operand";
386 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
389 // addrmode2 := (addrmode2base || addrmode2shop)
391 def addrmode2 : Operand<i32>,
392 ComplexPattern<i32, 3, "SelectAddrMode2", []> {
393 let PrintMethod = "printAddrMode2Operand";
394 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
397 def am2offset : Operand<i32>,
398 ComplexPattern<i32, 2, "SelectAddrMode2Offset",
399 [], [SDNPWantRoot]> {
400 let PrintMethod = "printAddrMode2OffsetOperand";
401 let MIOperandInfo = (ops GPR, i32imm);
404 // addrmode3 := reg +/- reg
405 // addrmode3 := reg +/- imm8
407 def addrmode3 : Operand<i32>,
408 ComplexPattern<i32, 3, "SelectAddrMode3", []> {
409 let PrintMethod = "printAddrMode3Operand";
410 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
413 def am3offset : Operand<i32>,
414 ComplexPattern<i32, 2, "SelectAddrMode3Offset",
415 [], [SDNPWantRoot]> {
416 let PrintMethod = "printAddrMode3OffsetOperand";
417 let MIOperandInfo = (ops GPR, i32imm);
420 // addrmode4 := reg, <mode|W>
422 def addrmode4 : Operand<i32>,
423 ComplexPattern<i32, 2, "SelectAddrMode4", []> {
424 let PrintMethod = "printAddrMode4Operand";
425 let MIOperandInfo = (ops GPR:$addr, i32imm);
428 // addrmode5 := reg +/- imm8*4
430 def addrmode5 : Operand<i32>,
431 ComplexPattern<i32, 2, "SelectAddrMode5", []> {
432 let PrintMethod = "printAddrMode5Operand";
433 let MIOperandInfo = (ops GPR:$base, i32imm);
436 // addrmode6 := reg with optional writeback
438 def addrmode6 : Operand<i32>,
439 ComplexPattern<i32, 2, "SelectAddrMode6", []> {
440 let PrintMethod = "printAddrMode6Operand";
441 let MIOperandInfo = (ops GPR:$addr, i32imm);
444 def am6offset : Operand<i32> {
445 let PrintMethod = "printAddrMode6OffsetOperand";
446 let MIOperandInfo = (ops GPR);
449 // addrmodepc := pc + reg
451 def addrmodepc : Operand<i32>,
452 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
453 let PrintMethod = "printAddrModePCOperand";
454 let MIOperandInfo = (ops GPR, i32imm);
457 def nohash_imm : Operand<i32> {
458 let PrintMethod = "printNoHashImmediate";
461 //===----------------------------------------------------------------------===//
463 include "ARMInstrFormats.td"
465 //===----------------------------------------------------------------------===//
466 // Multiclass helpers...
469 /// AsI1_bin_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns for a
470 /// binop that produces a value.
471 multiclass AsI1_bin_irs<bits<4> opcod, string opc,
472 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
473 PatFrag opnode, bit Commutable = 0> {
474 // The register-immediate version is re-materializable. This is useful
475 // in particular for taking the address of a local.
476 let isReMaterializable = 1 in {
477 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
478 iii, opc, "\t$Rd, $Rn, $imm",
479 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]> {
484 let Inst{15-12} = Rd;
485 let Inst{19-16} = Rn;
486 let Inst{11-0} = imm;
489 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
490 iir, opc, "\t$Rd, $Rn, $Rm",
491 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
495 let Inst{11-4} = 0b00000000;
497 let isCommutable = Commutable;
499 let Inst{15-12} = Rd;
500 let Inst{19-16} = Rn;
502 def rs : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift), DPSoRegFrm,
503 iis, opc, "\t$Rd, $Rn, $shift",
504 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]> {
509 let Inst{11-0} = shift;
510 let Inst{15-12} = Rd;
511 let Inst{19-16} = Rn;
515 /// AI1_bin_s_irs - Similar to AsI1_bin_irs except it sets the 's' bit so the
516 /// instruction modifies the CPSR register.
517 let Defs = [CPSR] in {
518 multiclass AI1_bin_s_irs<bits<4> opcod, string opc,
519 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
520 PatFrag opnode, bit Commutable = 0> {
521 def ri : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
522 iii, opc, "\t$Rd, $Rn, $imm",
523 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]> {
528 let Inst{15-12} = Rd;
529 let Inst{19-16} = Rn;
530 let Inst{11-0} = imm;
533 def rr : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
534 iir, opc, "\t$Rd, $Rn, $Rm",
535 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
539 let Inst{11-4} = 0b00000000;
541 let isCommutable = Commutable;
543 let Inst{15-12} = Rd;
544 let Inst{19-16} = Rn;
547 def rs : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift), DPSoRegFrm,
548 iis, opc, "\t$Rd, $Rn, $shift",
549 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]> {
554 let Inst{11-0} = shift;
555 let Inst{15-12} = Rd;
556 let Inst{19-16} = Rn;
562 /// AI1_cmp_irs - Defines a set of (op r, {so_imm|r|so_reg}) cmp / test
563 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
564 /// a explicit result, only implicitly set CPSR.
565 let isCompare = 1, Defs = [CPSR] in {
566 multiclass AI1_cmp_irs<bits<4> opcod, string opc,
567 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
568 PatFrag opnode, bit Commutable = 0> {
569 def ri : AI1<opcod, (outs), (ins GPR:$Rn, so_imm:$imm), DPFrm, iii,
571 [(opnode GPR:$Rn, so_imm:$imm)]> {
576 let Inst{15-12} = Rd;
577 let Inst{19-16} = Rn;
578 let Inst{11-0} = imm;
582 def rr : AI1<opcod, (outs), (ins GPR:$Rn, GPR:$Rm), DPFrm, iir,
584 [(opnode GPR:$Rn, GPR:$Rm)]> {
588 let Inst{11-4} = 0b00000000;
590 let isCommutable = Commutable;
592 let Inst{15-12} = Rd;
593 let Inst{19-16} = Rn;
596 def rs : AI1<opcod, (outs), (ins GPR:$Rn, so_reg:$shift), DPSoRegFrm, iis,
597 opc, "\t$Rn, $shift",
598 [(opnode GPR:$Rn, so_reg:$shift)]> {
603 let Inst{11-0} = shift;
604 let Inst{15-12} = Rd;
605 let Inst{19-16} = Rn;
611 /// AI_ext_rrot - A unary operation with two forms: one whose operand is a
612 /// register and one whose operand is a register rotated by 8/16/24.
613 /// FIXME: Remove the 'r' variant. Its rot_imm is zero.
614 multiclass AI_ext_rrot<bits<8> opcod, string opc, PatFrag opnode> {
615 def r : AExtI<opcod, (outs GPR:$dst), (ins GPR:$src),
616 IIC_iEXTr, opc, "\t$dst, $src",
617 [(set GPR:$dst, (opnode GPR:$src))]>,
618 Requires<[IsARM, HasV6]> {
619 let Inst{11-10} = 0b00;
620 let Inst{19-16} = 0b1111;
622 def r_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$src, i32imm:$rot),
623 IIC_iEXTr, opc, "\t$dst, $src, ror $rot",
624 [(set GPR:$dst, (opnode (rotr GPR:$src, rot_imm:$rot)))]>,
625 Requires<[IsARM, HasV6]> {
626 let Inst{19-16} = 0b1111;
630 multiclass AI_ext_rrot_np<bits<8> opcod, string opc> {
631 def r : AExtI<opcod, (outs GPR:$dst), (ins GPR:$src),
632 IIC_iEXTr, opc, "\t$dst, $src",
633 [/* For disassembly only; pattern left blank */]>,
634 Requires<[IsARM, HasV6]> {
635 let Inst{11-10} = 0b00;
636 let Inst{19-16} = 0b1111;
638 def r_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$src, i32imm:$rot),
639 IIC_iEXTr, opc, "\t$dst, $src, ror $rot",
640 [/* For disassembly only; pattern left blank */]>,
641 Requires<[IsARM, HasV6]> {
642 let Inst{19-16} = 0b1111;
646 /// AI_exta_rrot - A binary operation with two forms: one whose operand is a
647 /// register and one whose operand is a register rotated by 8/16/24.
648 multiclass AI_exta_rrot<bits<8> opcod, string opc, PatFrag opnode> {
649 def rr : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS),
650 IIC_iEXTAr, opc, "\t$dst, $LHS, $RHS",
651 [(set GPR:$dst, (opnode GPR:$LHS, GPR:$RHS))]>,
652 Requires<[IsARM, HasV6]> {
653 let Inst{11-10} = 0b00;
655 def rr_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS,
657 IIC_iEXTAr, opc, "\t$dst, $LHS, $RHS, ror $rot",
658 [(set GPR:$dst, (opnode GPR:$LHS,
659 (rotr GPR:$RHS, rot_imm:$rot)))]>,
660 Requires<[IsARM, HasV6]>;
663 // For disassembly only.
664 multiclass AI_exta_rrot_np<bits<8> opcod, string opc> {
665 def rr : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS),
666 IIC_iEXTAr, opc, "\t$dst, $LHS, $RHS",
667 [/* For disassembly only; pattern left blank */]>,
668 Requires<[IsARM, HasV6]> {
669 let Inst{11-10} = 0b00;
671 def rr_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS,
673 IIC_iEXTAr, opc, "\t$dst, $LHS, $RHS, ror $rot",
674 [/* For disassembly only; pattern left blank */]>,
675 Requires<[IsARM, HasV6]>;
678 /// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
679 let Uses = [CPSR] in {
680 multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode,
681 bit Commutable = 0> {
682 def ri : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
683 DPFrm, IIC_iALUi, opc, "\t$dst, $a, $b",
684 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]>,
688 def rr : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
689 DPFrm, IIC_iALUr, opc, "\t$dst, $a, $b",
690 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]>,
692 let isCommutable = Commutable;
693 let Inst{11-4} = 0b00000000;
696 def rs : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
697 DPSoRegFrm, IIC_iALUsr, opc, "\t$dst, $a, $b",
698 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]>,
703 // Carry setting variants
704 let Defs = [CPSR] in {
705 multiclass AI1_adde_sube_s_irs<bits<4> opcod, string opc, PatFrag opnode,
706 bit Commutable = 0> {
707 def Sri : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
708 DPFrm, IIC_iALUi, !strconcat(opc, "\t$dst, $a, $b"),
709 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]>,
714 def Srr : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
715 DPFrm, IIC_iALUr, !strconcat(opc, "\t$dst, $a, $b"),
716 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]>,
718 let Inst{11-4} = 0b00000000;
722 def Srs : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
723 DPSoRegFrm, IIC_iALUsr, !strconcat(opc, "\t$dst, $a, $b"),
724 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]>,
733 //===----------------------------------------------------------------------===//
735 //===----------------------------------------------------------------------===//
737 //===----------------------------------------------------------------------===//
738 // Miscellaneous Instructions.
741 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
742 /// the function. The first operand is the ID# for this instruction, the second
743 /// is the index into the MachineConstantPool that this is, the third is the
744 /// size in bytes of this constant pool entry.
745 let neverHasSideEffects = 1, isNotDuplicable = 1 in
746 def CONSTPOOL_ENTRY :
747 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
748 i32imm:$size), NoItinerary, "", []>;
750 // FIXME: Marking these as hasSideEffects is necessary to prevent machine DCE
751 // from removing one half of the matched pairs. That breaks PEI, which assumes
752 // these will always be in pairs, and asserts if it finds otherwise. Better way?
753 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
755 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary, "",
756 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
758 def ADJCALLSTACKDOWN :
759 PseudoInst<(outs), (ins i32imm:$amt, pred:$p), NoItinerary, "",
760 [(ARMcallseq_start timm:$amt)]>;
763 def NOP : AI<(outs), (ins), MiscFrm, NoItinerary, "nop", "",
764 [/* For disassembly only; pattern left blank */]>,
765 Requires<[IsARM, HasV6T2]> {
766 let Inst{27-16} = 0b001100100000;
767 let Inst{7-0} = 0b00000000;
770 def YIELD : AI<(outs), (ins), MiscFrm, NoItinerary, "yield", "",
771 [/* For disassembly only; pattern left blank */]>,
772 Requires<[IsARM, HasV6T2]> {
773 let Inst{27-16} = 0b001100100000;
774 let Inst{7-0} = 0b00000001;
777 def WFE : AI<(outs), (ins), MiscFrm, NoItinerary, "wfe", "",
778 [/* For disassembly only; pattern left blank */]>,
779 Requires<[IsARM, HasV6T2]> {
780 let Inst{27-16} = 0b001100100000;
781 let Inst{7-0} = 0b00000010;
784 def WFI : AI<(outs), (ins), MiscFrm, NoItinerary, "wfi", "",
785 [/* For disassembly only; pattern left blank */]>,
786 Requires<[IsARM, HasV6T2]> {
787 let Inst{27-16} = 0b001100100000;
788 let Inst{7-0} = 0b00000011;
791 def SEL : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm, NoItinerary, "sel",
793 [/* For disassembly only; pattern left blank */]>,
794 Requires<[IsARM, HasV6]> {
795 let Inst{27-20} = 0b01101000;
796 let Inst{7-4} = 0b1011;
799 def SEV : AI<(outs), (ins), MiscFrm, NoItinerary, "sev", "",
800 [/* For disassembly only; pattern left blank */]>,
801 Requires<[IsARM, HasV6T2]> {
802 let Inst{27-16} = 0b001100100000;
803 let Inst{7-0} = 0b00000100;
806 // The i32imm operand $val can be used by a debugger to store more information
807 // about the breakpoint.
808 def BKPT : AI<(outs), (ins i32imm:$val), MiscFrm, NoItinerary, "bkpt", "\t$val",
809 [/* For disassembly only; pattern left blank */]>,
811 let Inst{27-20} = 0b00010010;
812 let Inst{7-4} = 0b0111;
815 // Change Processor State is a system instruction -- for disassembly only.
816 // The singleton $opt operand contains the following information:
817 // opt{4-0} = mode from Inst{4-0}
818 // opt{5} = changemode from Inst{17}
819 // opt{8-6} = AIF from Inst{8-6}
820 // opt{10-9} = imod from Inst{19-18} with 0b10 as enable and 0b11 as disable
821 def CPS : AXI<(outs), (ins cps_opt:$opt), MiscFrm, NoItinerary, "cps$opt",
822 [/* For disassembly only; pattern left blank */]>,
824 let Inst{31-28} = 0b1111;
825 let Inst{27-20} = 0b00010000;
830 // Preload signals the memory system of possible future data/instruction access.
831 // These are for disassembly only.
833 // A8.6.117, A8.6.118. Different instructions are generated for #0 and #-0.
834 // The neg_zero operand translates -0 to -1, -1 to -2, ..., etc.
835 multiclass APreLoad<bit data, bit read, string opc> {
837 def i : AXI<(outs), (ins GPR:$base, neg_zero:$imm), MiscFrm, NoItinerary,
838 !strconcat(opc, "\t[$base, $imm]"), []> {
839 let Inst{31-26} = 0b111101;
840 let Inst{25} = 0; // 0 for immediate form
843 let Inst{21-20} = 0b01;
846 def r : AXI<(outs), (ins addrmode2:$addr), MiscFrm, NoItinerary,
847 !strconcat(opc, "\t$addr"), []> {
848 let Inst{31-26} = 0b111101;
849 let Inst{25} = 1; // 1 for register form
852 let Inst{21-20} = 0b01;
857 defm PLD : APreLoad<1, 1, "pld">;
858 defm PLDW : APreLoad<1, 0, "pldw">;
859 defm PLI : APreLoad<0, 1, "pli">;
861 def SETENDBE : AXI<(outs),(ins), MiscFrm, NoItinerary, "setend\tbe",
862 [/* For disassembly only; pattern left blank */]>,
864 let Inst{31-28} = 0b1111;
865 let Inst{27-20} = 0b00010000;
868 let Inst{7-4} = 0b0000;
871 def SETENDLE : AXI<(outs),(ins), MiscFrm, NoItinerary, "setend\tle",
872 [/* For disassembly only; pattern left blank */]>,
874 let Inst{31-28} = 0b1111;
875 let Inst{27-20} = 0b00010000;
878 let Inst{7-4} = 0b0000;
881 def DBG : AI<(outs), (ins i32imm:$opt), MiscFrm, NoItinerary, "dbg", "\t$opt",
882 [/* For disassembly only; pattern left blank */]>,
883 Requires<[IsARM, HasV7]> {
884 let Inst{27-16} = 0b001100100000;
885 let Inst{7-4} = 0b1111;
888 // A5.4 Permanently UNDEFINED instructions.
889 let isBarrier = 1, isTerminator = 1 in
890 def TRAP : AXI<(outs), (ins), MiscFrm, NoItinerary,
893 let Inst{27-25} = 0b011;
894 let Inst{24-20} = 0b11111;
895 let Inst{7-5} = 0b111;
899 // Address computation and loads and stores in PIC mode.
900 let isNotDuplicable = 1 in {
901 def PICADD : AXI1<0b0100, (outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
902 Pseudo, IIC_iALUr, "",
903 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
905 let AddedComplexity = 10 in {
906 def PICLDR : AXI2ldw<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
907 Pseudo, IIC_iLoad_r, "",
908 [(set GPR:$dst, (load addrmodepc:$addr))]>;
910 def PICLDRH : AXI3ldh<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
911 Pseudo, IIC_iLoad_bh_r, "",
912 [(set GPR:$dst, (zextloadi16 addrmodepc:$addr))]>;
914 def PICLDRB : AXI2ldb<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
915 Pseudo, IIC_iLoad_bh_r, "",
916 [(set GPR:$dst, (zextloadi8 addrmodepc:$addr))]>;
918 def PICLDRSH : AXI3ldsh<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
919 Pseudo, IIC_iLoad_bh_r, "",
920 [(set GPR:$dst, (sextloadi16 addrmodepc:$addr))]>;
922 def PICLDRSB : AXI3ldsb<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
923 Pseudo, IIC_iLoad_bh_r, "",
924 [(set GPR:$dst, (sextloadi8 addrmodepc:$addr))]>;
926 let AddedComplexity = 10 in {
927 def PICSTR : AXI2stw<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
928 Pseudo, IIC_iStore_r, "",
929 [(store GPR:$src, addrmodepc:$addr)]>;
931 def PICSTRH : AXI3sth<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
932 Pseudo, IIC_iStore_bh_r, "",
933 [(truncstorei16 GPR:$src, addrmodepc:$addr)]>;
935 def PICSTRB : AXI2stb<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
936 Pseudo, IIC_iStore_bh_r, "",
937 [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
939 } // isNotDuplicable = 1
942 // LEApcrel - Load a pc-relative address into a register without offending the
944 let neverHasSideEffects = 1 in {
945 let isReMaterializable = 1 in
946 def LEApcrel : AXI1<0x0, (outs GPR:$dst), (ins i32imm:$label, pred:$p),
948 "adr$p\t$dst, #$label", []>;
950 } // neverHasSideEffects
951 def LEApcrelJT : AXI1<0x0, (outs GPR:$dst),
952 (ins i32imm:$label, nohash_imm:$id, pred:$p),
954 "adr$p\t$dst, #${label}_${id}", []> {
958 //===----------------------------------------------------------------------===//
959 // Control Flow Instructions.
962 let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
964 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
965 "bx", "\tlr", [(ARMretflag)]>,
966 Requires<[IsARM, HasV4T]> {
967 let Inst{3-0} = 0b1110;
968 let Inst{7-4} = 0b0001;
969 let Inst{19-8} = 0b111111111111;
970 let Inst{27-20} = 0b00010010;
974 def MOVPCLR : AI<(outs), (ins), BrMiscFrm, IIC_Br,
975 "mov", "\tpc, lr", [(ARMretflag)]>,
976 Requires<[IsARM, NoV4T]> {
977 let Inst{11-0} = 0b000000001110;
978 let Inst{15-12} = 0b1111;
979 let Inst{19-16} = 0b0000;
980 let Inst{27-20} = 0b00011010;
985 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
987 def BRIND : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
989 Requires<[IsARM, HasV4T]> {
991 let Inst{7-4} = 0b0001;
992 let Inst{19-8} = 0b111111111111;
993 let Inst{27-20} = 0b00010010;
994 let Inst{31-28} = 0b1110;
999 def MOVPCRX : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "mov\tpc, $dst",
1000 [(brind GPR:$dst)]>,
1001 Requires<[IsARM, NoV4T]> {
1003 let Inst{11-4} = 0b00000000;
1004 let Inst{15-12} = 0b1111;
1005 let Inst{19-16} = 0b0000;
1006 let Inst{27-20} = 0b00011010;
1007 let Inst{31-28} = 0b1110;
1008 let Inst{3-0} = dst;
1012 // FIXME: remove when we have a way to marking a MI with these properties.
1013 // FIXME: Should pc be an implicit operand like PICADD, etc?
1014 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
1015 hasExtraDefRegAllocReq = 1 in
1016 def LDM_RET : AXI4ld<(outs GPR:$wb), (ins addrmode4:$addr, pred:$p,
1017 reglist:$dsts, variable_ops),
1018 IndexModeUpd, LdStMulFrm, IIC_iLoad_mBr,
1019 "ldm${addr:submode}${p}\t$addr!, $dsts",
1020 "$addr.addr = $wb", []>;
1022 // On non-Darwin platforms R9 is callee-saved.
1024 Defs = [R0, R1, R2, R3, R12, LR,
1025 D0, D1, D2, D3, D4, D5, D6, D7,
1026 D16, D17, D18, D19, D20, D21, D22, D23,
1027 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR] in {
1028 def BL : ABXI<0b1011, (outs), (ins i32imm:$func, variable_ops),
1029 IIC_Br, "bl\t$func",
1030 [(ARMcall tglobaladdr:$func)]>,
1031 Requires<[IsARM, IsNotDarwin]> {
1032 let Inst{31-28} = 0b1110;
1035 def BL_pred : ABI<0b1011, (outs), (ins i32imm:$func, variable_ops),
1036 IIC_Br, "bl", "\t$func",
1037 [(ARMcall_pred tglobaladdr:$func)]>,
1038 Requires<[IsARM, IsNotDarwin]>;
1041 def BLX : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1042 IIC_Br, "blx\t$func",
1043 [(ARMcall GPR:$func)]>,
1044 Requires<[IsARM, HasV5T, IsNotDarwin]> {
1046 let Inst{7-4} = 0b0011;
1047 let Inst{19-8} = 0b111111111111;
1048 let Inst{27-20} = 0b00010010;
1049 let Inst{3-0} = func;
1053 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1054 def BX : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1055 IIC_Br, "mov\tlr, pc\n\tbx\t$func",
1056 [(ARMcall_nolink tGPR:$func)]>,
1057 Requires<[IsARM, HasV4T, IsNotDarwin]> {
1058 let Inst{7-4} = 0b0001;
1059 let Inst{19-8} = 0b111111111111;
1060 let Inst{27-20} = 0b00010010;
1064 def BMOVPCRX : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1065 IIC_Br, "mov\tlr, pc\n\tmov\tpc, $func",
1066 [(ARMcall_nolink tGPR:$func)]>,
1067 Requires<[IsARM, NoV4T, IsNotDarwin]> {
1068 let Inst{11-4} = 0b00000000;
1069 let Inst{15-12} = 0b1111;
1070 let Inst{19-16} = 0b0000;
1071 let Inst{27-20} = 0b00011010;
1075 // On Darwin R9 is call-clobbered.
1077 Defs = [R0, R1, R2, R3, R9, R12, LR,
1078 D0, D1, D2, D3, D4, D5, D6, D7,
1079 D16, D17, D18, D19, D20, D21, D22, D23,
1080 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR] in {
1081 def BLr9 : ABXI<0b1011, (outs), (ins i32imm:$func, variable_ops),
1082 IIC_Br, "bl\t$func",
1083 [(ARMcall tglobaladdr:$func)]>, Requires<[IsARM, IsDarwin]> {
1084 let Inst{31-28} = 0b1110;
1087 def BLr9_pred : ABI<0b1011, (outs), (ins i32imm:$func, variable_ops),
1088 IIC_Br, "bl", "\t$func",
1089 [(ARMcall_pred tglobaladdr:$func)]>,
1090 Requires<[IsARM, IsDarwin]>;
1093 def BLXr9 : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1094 IIC_Br, "blx\t$func",
1095 [(ARMcall GPR:$func)]>, Requires<[IsARM, HasV5T, IsDarwin]> {
1096 let Inst{7-4} = 0b0011;
1097 let Inst{19-8} = 0b111111111111;
1098 let Inst{27-20} = 0b00010010;
1102 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1103 def BXr9 : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1104 IIC_Br, "mov\tlr, pc\n\tbx\t$func",
1105 [(ARMcall_nolink tGPR:$func)]>,
1106 Requires<[IsARM, HasV4T, IsDarwin]> {
1107 let Inst{7-4} = 0b0001;
1108 let Inst{19-8} = 0b111111111111;
1109 let Inst{27-20} = 0b00010010;
1113 def BMOVPCRXr9 : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1114 IIC_Br, "mov\tlr, pc\n\tmov\tpc, $func",
1115 [(ARMcall_nolink tGPR:$func)]>,
1116 Requires<[IsARM, NoV4T, IsDarwin]> {
1117 let Inst{11-4} = 0b00000000;
1118 let Inst{15-12} = 0b1111;
1119 let Inst{19-16} = 0b0000;
1120 let Inst{27-20} = 0b00011010;
1126 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in {
1128 let Defs = [R0, R1, R2, R3, R9, R12,
1129 D0, D1, D2, D3, D4, D5, D6, D7,
1130 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26,
1131 D27, D28, D29, D30, D31, PC],
1133 def TCRETURNdi : AInoP<(outs), (ins i32imm:$dst, variable_ops),
1135 "@TC_RETURN","\t$dst", []>, Requires<[IsDarwin]>;
1137 def TCRETURNri : AInoP<(outs), (ins tcGPR:$dst, variable_ops),
1139 "@TC_RETURN","\t$dst", []>, Requires<[IsDarwin]>;
1141 def TAILJMPd : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1142 IIC_Br, "b\t$dst @ TAILCALL",
1143 []>, Requires<[IsDarwin]>;
1145 def TAILJMPdt: ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1146 IIC_Br, "b.w\t$dst @ TAILCALL",
1147 []>, Requires<[IsDarwin]>;
1149 def TAILJMPr : AXI<(outs), (ins tcGPR:$dst, variable_ops),
1150 BrMiscFrm, IIC_Br, "bx\t$dst @ TAILCALL",
1151 []>, Requires<[IsDarwin]> {
1152 let Inst{7-4} = 0b0001;
1153 let Inst{19-8} = 0b111111111111;
1154 let Inst{27-20} = 0b00010010;
1155 let Inst{31-28} = 0b1110;
1159 // Non-Darwin versions (the difference is R9).
1160 let Defs = [R0, R1, R2, R3, R12,
1161 D0, D1, D2, D3, D4, D5, D6, D7,
1162 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26,
1163 D27, D28, D29, D30, D31, PC],
1165 def TCRETURNdiND : AInoP<(outs), (ins i32imm:$dst, variable_ops),
1167 "@TC_RETURN","\t$dst", []>, Requires<[IsNotDarwin]>;
1169 def TCRETURNriND : AInoP<(outs), (ins tcGPR:$dst, variable_ops),
1171 "@TC_RETURN","\t$dst", []>, Requires<[IsNotDarwin]>;
1173 def TAILJMPdND : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1174 IIC_Br, "b\t$dst @ TAILCALL",
1175 []>, Requires<[IsARM, IsNotDarwin]>;
1177 def TAILJMPdNDt : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1178 IIC_Br, "b.w\t$dst @ TAILCALL",
1179 []>, Requires<[IsThumb, IsNotDarwin]>;
1181 def TAILJMPrND : AXI<(outs), (ins tcGPR:$dst, variable_ops),
1182 BrMiscFrm, IIC_Br, "bx\t$dst @ TAILCALL",
1183 []>, Requires<[IsNotDarwin]> {
1184 let Inst{7-4} = 0b0001;
1185 let Inst{19-8} = 0b111111111111;
1186 let Inst{27-20} = 0b00010010;
1187 let Inst{31-28} = 0b1110;
1192 let isBranch = 1, isTerminator = 1 in {
1193 // B is "predicable" since it can be xformed into a Bcc.
1194 let isBarrier = 1 in {
1195 let isPredicable = 1 in
1196 def B : ABXI<0b1010, (outs), (ins brtarget:$target), IIC_Br,
1197 "b\t$target", [(br bb:$target)]>;
1199 let isNotDuplicable = 1, isIndirectBranch = 1 in {
1200 def BR_JTr : JTI<(outs), (ins GPR:$target, jtblock_operand:$jt, i32imm:$id),
1201 IIC_Br, "mov\tpc, $target$jt",
1202 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]> {
1203 let Inst{11-4} = 0b00000000;
1204 let Inst{15-12} = 0b1111;
1205 let Inst{20} = 0; // S Bit
1206 let Inst{24-21} = 0b1101;
1207 let Inst{27-25} = 0b000;
1209 def BR_JTm : JTI<(outs),
1210 (ins addrmode2:$target, jtblock_operand:$jt, i32imm:$id),
1211 IIC_Br, "ldr\tpc, $target$jt",
1212 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
1214 let Inst{15-12} = 0b1111;
1215 let Inst{20} = 1; // L bit
1216 let Inst{21} = 0; // W bit
1217 let Inst{22} = 0; // B bit
1218 let Inst{24} = 1; // P bit
1219 let Inst{27-25} = 0b011;
1221 def BR_JTadd : JTI<(outs),
1222 (ins GPR:$target, GPR:$idx, jtblock_operand:$jt, i32imm:$id),
1223 IIC_Br, "add\tpc, $target, $idx$jt",
1224 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
1226 let Inst{15-12} = 0b1111;
1227 let Inst{20} = 0; // S bit
1228 let Inst{24-21} = 0b0100;
1229 let Inst{27-25} = 0b000;
1231 } // isNotDuplicable = 1, isIndirectBranch = 1
1234 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
1235 // a two-value operand where a dag node expects two operands. :(
1236 def Bcc : ABI<0b1010, (outs), (ins brtarget:$target),
1237 IIC_Br, "b", "\t$target",
1238 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]>;
1241 // Branch and Exchange Jazelle -- for disassembly only
1242 def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
1243 [/* For disassembly only; pattern left blank */]> {
1244 let Inst{23-20} = 0b0010;
1245 //let Inst{19-8} = 0xfff;
1246 let Inst{7-4} = 0b0010;
1249 // Secure Monitor Call is a system instruction -- for disassembly only
1250 def SMC : ABI<0b0001, (outs), (ins i32imm:$opt), NoItinerary, "smc", "\t$opt",
1251 [/* For disassembly only; pattern left blank */]> {
1252 let Inst{23-20} = 0b0110;
1253 let Inst{7-4} = 0b0111;
1256 // Supervisor Call (Software Interrupt) -- for disassembly only
1258 def SVC : ABI<0b1111, (outs), (ins i32imm:$svc), IIC_Br, "svc", "\t$svc",
1259 [/* For disassembly only; pattern left blank */]>;
1262 // Store Return State is a system instruction -- for disassembly only
1263 def SRSW : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, i32imm:$mode),
1264 NoItinerary, "srs${addr:submode}\tsp!, $mode",
1265 [/* For disassembly only; pattern left blank */]> {
1266 let Inst{31-28} = 0b1111;
1267 let Inst{22-20} = 0b110; // W = 1
1270 def SRS : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, i32imm:$mode),
1271 NoItinerary, "srs${addr:submode}\tsp, $mode",
1272 [/* For disassembly only; pattern left blank */]> {
1273 let Inst{31-28} = 0b1111;
1274 let Inst{22-20} = 0b100; // W = 0
1277 // Return From Exception is a system instruction -- for disassembly only
1278 def RFEW : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, GPR:$base),
1279 NoItinerary, "rfe${addr:submode}\t$base!",
1280 [/* For disassembly only; pattern left blank */]> {
1281 let Inst{31-28} = 0b1111;
1282 let Inst{22-20} = 0b011; // W = 1
1285 def RFE : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, GPR:$base),
1286 NoItinerary, "rfe${addr:submode}\t$base",
1287 [/* For disassembly only; pattern left blank */]> {
1288 let Inst{31-28} = 0b1111;
1289 let Inst{22-20} = 0b001; // W = 0
1292 //===----------------------------------------------------------------------===//
1293 // Load / store Instructions.
1297 let canFoldAsLoad = 1, isReMaterializable = 1 in
1298 def LDR : AI2ldw<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm, IIC_iLoad_r,
1299 "ldr", "\t$dst, $addr",
1300 [(set GPR:$dst, (load addrmode2:$addr))]>;
1302 // Special LDR for loads from non-pc-relative constpools.
1303 let canFoldAsLoad = 1, mayLoad = 1, neverHasSideEffects = 1,
1304 isReMaterializable = 1 in
1305 def LDRcp : AI2ldw<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm, IIC_iLoad_r,
1306 "ldr", "\t$dst, $addr", []>;
1308 // Loads with zero extension
1309 def LDRH : AI3ldh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
1310 IIC_iLoad_bh_r, "ldrh", "\t$dst, $addr",
1311 [(set GPR:$dst, (zextloadi16 addrmode3:$addr))]>;
1313 def LDRB : AI2ldb<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm,
1314 IIC_iLoad_bh_r, "ldrb", "\t$dst, $addr",
1315 [(set GPR:$dst, (zextloadi8 addrmode2:$addr))]>;
1317 // Loads with sign extension
1318 def LDRSH : AI3ldsh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
1319 IIC_iLoad_bh_r, "ldrsh", "\t$dst, $addr",
1320 [(set GPR:$dst, (sextloadi16 addrmode3:$addr))]>;
1322 def LDRSB : AI3ldsb<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
1323 IIC_iLoad_bh_r, "ldrsb", "\t$dst, $addr",
1324 [(set GPR:$dst, (sextloadi8 addrmode3:$addr))]>;
1326 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1 in {
1328 def LDRD : AI3ldd<(outs GPR:$dst1, GPR:$dst2), (ins addrmode3:$addr), LdMiscFrm,
1329 IIC_iLoad_d_r, "ldrd", "\t$dst1, $addr",
1330 []>, Requires<[IsARM, HasV5TE]>;
1333 def LDR_PRE : AI2ldwpr<(outs GPR:$dst, GPR:$base_wb),
1334 (ins addrmode2:$addr), LdFrm, IIC_iLoad_ru,
1335 "ldr", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1337 def LDR_POST : AI2ldwpo<(outs GPR:$dst, GPR:$base_wb),
1338 (ins GPR:$base, am2offset:$offset), LdFrm, IIC_iLoad_ru,
1339 "ldr", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1341 def LDRH_PRE : AI3ldhpr<(outs GPR:$dst, GPR:$base_wb),
1342 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoad_bh_ru,
1343 "ldrh", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1345 def LDRH_POST : AI3ldhpo<(outs GPR:$dst, GPR:$base_wb),
1346 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoad_bh_ru,
1347 "ldrh", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1349 def LDRB_PRE : AI2ldbpr<(outs GPR:$dst, GPR:$base_wb),
1350 (ins addrmode2:$addr), LdFrm, IIC_iLoad_bh_ru,
1351 "ldrb", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1353 def LDRB_POST : AI2ldbpo<(outs GPR:$dst, GPR:$base_wb),
1354 (ins GPR:$base,am2offset:$offset), LdFrm, IIC_iLoad_bh_ru,
1355 "ldrb", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1357 def LDRSH_PRE : AI3ldshpr<(outs GPR:$dst, GPR:$base_wb),
1358 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoad_bh_ru,
1359 "ldrsh", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1361 def LDRSH_POST: AI3ldshpo<(outs GPR:$dst, GPR:$base_wb),
1362 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoad_bh_ru,
1363 "ldrsh", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1365 def LDRSB_PRE : AI3ldsbpr<(outs GPR:$dst, GPR:$base_wb),
1366 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoad_bh_ru,
1367 "ldrsb", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1369 def LDRSB_POST: AI3ldsbpo<(outs GPR:$dst, GPR:$base_wb),
1370 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoad_ru,
1371 "ldrsb", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1373 // For disassembly only
1374 def LDRD_PRE : AI3lddpr<(outs GPR:$dst1, GPR:$dst2, GPR:$base_wb),
1375 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoad_d_ru,
1376 "ldrd", "\t$dst1, $dst2, $addr!", "$addr.base = $base_wb", []>,
1377 Requires<[IsARM, HasV5TE]>;
1379 // For disassembly only
1380 def LDRD_POST : AI3lddpo<(outs GPR:$dst1, GPR:$dst2, GPR:$base_wb),
1381 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoad_d_ru,
1382 "ldrd", "\t$dst1, $dst2, [$base], $offset", "$base = $base_wb", []>,
1383 Requires<[IsARM, HasV5TE]>;
1385 } // mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1
1387 // LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT are for disassembly only.
1389 def LDRT : AI2ldwpo<(outs GPR:$dst, GPR:$base_wb),
1390 (ins GPR:$base, am2offset:$offset), LdFrm, IIC_iLoad_ru,
1391 "ldrt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1392 let Inst{21} = 1; // overwrite
1395 def LDRBT : AI2ldbpo<(outs GPR:$dst, GPR:$base_wb),
1396 (ins GPR:$base,am2offset:$offset), LdFrm, IIC_iLoad_bh_ru,
1397 "ldrbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1398 let Inst{21} = 1; // overwrite
1401 def LDRSBT : AI3ldsbpo<(outs GPR:$dst, GPR:$base_wb),
1402 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoad_bh_ru,
1403 "ldrsbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1404 let Inst{21} = 1; // overwrite
1407 def LDRHT : AI3ldhpo<(outs GPR:$dst, GPR:$base_wb),
1408 (ins GPR:$base, am3offset:$offset), LdMiscFrm, IIC_iLoad_bh_ru,
1409 "ldrht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1410 let Inst{21} = 1; // overwrite
1413 def LDRSHT : AI3ldshpo<(outs GPR:$dst, GPR:$base_wb),
1414 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoad_bh_ru,
1415 "ldrsht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1416 let Inst{21} = 1; // overwrite
1420 def STR : AI2stw<(outs), (ins GPR:$src, addrmode2:$addr), StFrm, IIC_iStore_r,
1421 "str", "\t$src, $addr",
1422 [(store GPR:$src, addrmode2:$addr)]>;
1424 // Stores with truncate
1425 def STRH : AI3sth<(outs), (ins GPR:$src, addrmode3:$addr), StMiscFrm,
1426 IIC_iStore_bh_r, "strh", "\t$src, $addr",
1427 [(truncstorei16 GPR:$src, addrmode3:$addr)]>;
1429 def STRB : AI2stb<(outs), (ins GPR:$src, addrmode2:$addr), StFrm,
1430 IIC_iStore_bh_r, "strb", "\t$src, $addr",
1431 [(truncstorei8 GPR:$src, addrmode2:$addr)]>;
1434 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in
1435 def STRD : AI3std<(outs), (ins GPR:$src1, GPR:$src2, addrmode3:$addr),
1436 StMiscFrm, IIC_iStore_d_r,
1437 "strd", "\t$src1, $addr", []>, Requires<[IsARM, HasV5TE]>;
1440 def STR_PRE : AI2stwpr<(outs GPR:$base_wb),
1441 (ins GPR:$src, GPR:$base, am2offset:$offset),
1442 StFrm, IIC_iStore_ru,
1443 "str", "\t$src, [$base, $offset]!", "$base = $base_wb",
1445 (pre_store GPR:$src, GPR:$base, am2offset:$offset))]>;
1447 def STR_POST : AI2stwpo<(outs GPR:$base_wb),
1448 (ins GPR:$src, GPR:$base,am2offset:$offset),
1449 StFrm, IIC_iStore_ru,
1450 "str", "\t$src, [$base], $offset", "$base = $base_wb",
1452 (post_store GPR:$src, GPR:$base, am2offset:$offset))]>;
1454 def STRH_PRE : AI3sthpr<(outs GPR:$base_wb),
1455 (ins GPR:$src, GPR:$base,am3offset:$offset),
1456 StMiscFrm, IIC_iStore_ru,
1457 "strh", "\t$src, [$base, $offset]!", "$base = $base_wb",
1459 (pre_truncsti16 GPR:$src, GPR:$base,am3offset:$offset))]>;
1461 def STRH_POST: AI3sthpo<(outs GPR:$base_wb),
1462 (ins GPR:$src, GPR:$base,am3offset:$offset),
1463 StMiscFrm, IIC_iStore_bh_ru,
1464 "strh", "\t$src, [$base], $offset", "$base = $base_wb",
1465 [(set GPR:$base_wb, (post_truncsti16 GPR:$src,
1466 GPR:$base, am3offset:$offset))]>;
1468 def STRB_PRE : AI2stbpr<(outs GPR:$base_wb),
1469 (ins GPR:$src, GPR:$base,am2offset:$offset),
1470 StFrm, IIC_iStore_bh_ru,
1471 "strb", "\t$src, [$base, $offset]!", "$base = $base_wb",
1472 [(set GPR:$base_wb, (pre_truncsti8 GPR:$src,
1473 GPR:$base, am2offset:$offset))]>;
1475 def STRB_POST: AI2stbpo<(outs GPR:$base_wb),
1476 (ins GPR:$src, GPR:$base,am2offset:$offset),
1477 StFrm, IIC_iStore_bh_ru,
1478 "strb", "\t$src, [$base], $offset", "$base = $base_wb",
1479 [(set GPR:$base_wb, (post_truncsti8 GPR:$src,
1480 GPR:$base, am2offset:$offset))]>;
1482 // For disassembly only
1483 def STRD_PRE : AI3stdpr<(outs GPR:$base_wb),
1484 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1485 StMiscFrm, IIC_iStore_d_ru,
1486 "strd", "\t$src1, $src2, [$base, $offset]!",
1487 "$base = $base_wb", []>;
1489 // For disassembly only
1490 def STRD_POST: AI3stdpo<(outs GPR:$base_wb),
1491 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1492 StMiscFrm, IIC_iStore_d_ru,
1493 "strd", "\t$src1, $src2, [$base], $offset",
1494 "$base = $base_wb", []>;
1496 // STRT, STRBT, and STRHT are for disassembly only.
1498 def STRT : AI2stwpo<(outs GPR:$base_wb),
1499 (ins GPR:$src, GPR:$base,am2offset:$offset),
1500 StFrm, IIC_iStore_ru,
1501 "strt", "\t$src, [$base], $offset", "$base = $base_wb",
1502 [/* For disassembly only; pattern left blank */]> {
1503 let Inst{21} = 1; // overwrite
1506 def STRBT : AI2stbpo<(outs GPR:$base_wb),
1507 (ins GPR:$src, GPR:$base,am2offset:$offset),
1508 StFrm, IIC_iStore_bh_ru,
1509 "strbt", "\t$src, [$base], $offset", "$base = $base_wb",
1510 [/* For disassembly only; pattern left blank */]> {
1511 let Inst{21} = 1; // overwrite
1514 def STRHT: AI3sthpo<(outs GPR:$base_wb),
1515 (ins GPR:$src, GPR:$base,am3offset:$offset),
1516 StMiscFrm, IIC_iStore_bh_ru,
1517 "strht", "\t$src, [$base], $offset", "$base = $base_wb",
1518 [/* For disassembly only; pattern left blank */]> {
1519 let Inst{21} = 1; // overwrite
1522 //===----------------------------------------------------------------------===//
1523 // Load / store multiple Instructions.
1526 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1 in {
1527 def LDM : AXI4ld<(outs), (ins addrmode4:$addr, pred:$p,
1528 reglist:$dsts, variable_ops),
1529 IndexModeNone, LdStMulFrm, IIC_iLoad_m,
1530 "ldm${addr:submode}${p}\t$addr, $dsts", "", []>;
1532 def LDM_UPD : AXI4ld<(outs GPR:$wb), (ins addrmode4:$addr, pred:$p,
1533 reglist:$dsts, variable_ops),
1534 IndexModeUpd, LdStMulFrm, IIC_iLoad_mu,
1535 "ldm${addr:submode}${p}\t$addr!, $dsts",
1536 "$addr.addr = $wb", []>;
1537 } // mayLoad, neverHasSideEffects, hasExtraDefRegAllocReq
1539 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in {
1540 def STM : AXI4st<(outs), (ins addrmode4:$addr, pred:$p,
1541 reglist:$srcs, variable_ops),
1542 IndexModeNone, LdStMulFrm, IIC_iStore_m,
1543 "stm${addr:submode}${p}\t$addr, $srcs", "", []>;
1545 def STM_UPD : AXI4st<(outs GPR:$wb), (ins addrmode4:$addr, pred:$p,
1546 reglist:$srcs, variable_ops),
1547 IndexModeUpd, LdStMulFrm, IIC_iStore_mu,
1548 "stm${addr:submode}${p}\t$addr!, $srcs",
1549 "$addr.addr = $wb", []>;
1550 } // mayStore, neverHasSideEffects, hasExtraSrcRegAllocReq
1552 //===----------------------------------------------------------------------===//
1553 // Move Instructions.
1556 let neverHasSideEffects = 1 in
1557 def MOVr : AsI1<0b1101, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMOVr,
1558 "mov", "\t$Rd, $Rm", []>, UnaryDP {
1562 let Inst{11-4} = 0b00000000;
1565 let Inst{15-12} = Rd;
1568 // A version for the smaller set of tail call registers.
1569 let neverHasSideEffects = 1 in
1570 def MOVr_TC : AsI1<0b1101, (outs tcGPR:$Rd), (ins tcGPR:$Rm), DPFrm,
1571 IIC_iMOVr, "mov", "\t$Rd, $Rm", []>, UnaryDP {
1575 let Inst{11-4} = 0b00000000;
1578 let Inst{15-12} = Rd;
1581 def MOVs : AsI1<0b1101, (outs GPR:$Rd), (ins so_reg:$src),
1582 DPSoRegFrm, IIC_iMOVsr,
1583 "mov", "\t$Rd, $src", [(set GPR:$Rd, so_reg:$src)]>, UnaryDP {
1587 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
1588 def MOVi : AsI1<0b1101, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm, IIC_iMOVi,
1589 "mov", "\t$Rd, $imm", [(set GPR:$Rd, so_imm:$imm)]>, UnaryDP {
1593 let Inst{15-12} = Rd;
1594 let Inst{19-16} = 0b0000;
1595 let Inst{11-0} = imm;
1598 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
1599 def MOVi16 : AI1<0b1000, (outs GPR:$dst), (ins i32imm:$src),
1601 "movw", "\t$dst, $src",
1602 [(set GPR:$dst, imm0_65535:$src)]>,
1603 Requires<[IsARM, HasV6T2]>, UnaryDP {
1608 let Constraints = "$src = $dst" in
1609 def MOVTi16 : AI1<0b1010, (outs GPR:$dst), (ins GPR:$src, i32imm:$imm),
1611 "movt", "\t$dst, $imm",
1613 (or (and GPR:$src, 0xffff),
1614 lo16AllZero:$imm))]>, UnaryDP,
1615 Requires<[IsARM, HasV6T2]> {
1620 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
1621 Requires<[IsARM, HasV6T2]>;
1623 let Uses = [CPSR] in
1624 def MOVrx : AsI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo, IIC_iMOVsi,
1625 "mov", "\t$dst, $src, rrx",
1626 [(set GPR:$dst, (ARMrrx GPR:$src))]>, UnaryDP;
1628 // These aren't really mov instructions, but we have to define them this way
1629 // due to flag operands.
1631 let Defs = [CPSR] in {
1632 def MOVsrl_flag : AI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo,
1633 IIC_iMOVsi, "movs", "\t$dst, $src, lsr #1",
1634 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP;
1635 def MOVsra_flag : AI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo,
1636 IIC_iMOVsi, "movs", "\t$dst, $src, asr #1",
1637 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP;
1640 //===----------------------------------------------------------------------===//
1641 // Extend Instructions.
1646 defm SXTB : AI_ext_rrot<0b01101010,
1647 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
1648 defm SXTH : AI_ext_rrot<0b01101011,
1649 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
1651 defm SXTAB : AI_exta_rrot<0b01101010,
1652 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
1653 defm SXTAH : AI_exta_rrot<0b01101011,
1654 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
1656 // For disassembly only
1657 defm SXTB16 : AI_ext_rrot_np<0b01101000, "sxtb16">;
1659 // For disassembly only
1660 defm SXTAB16 : AI_exta_rrot_np<0b01101000, "sxtab16">;
1664 let AddedComplexity = 16 in {
1665 defm UXTB : AI_ext_rrot<0b01101110,
1666 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
1667 defm UXTH : AI_ext_rrot<0b01101111,
1668 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
1669 defm UXTB16 : AI_ext_rrot<0b01101100,
1670 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
1672 // FIXME: This pattern incorrectly assumes the shl operator is a rotate.
1673 // The transformation should probably be done as a combiner action
1674 // instead so we can include a check for masking back in the upper
1675 // eight bits of the source into the lower eight bits of the result.
1676 //def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
1677 // (UXTB16r_rot GPR:$Src, 24)>;
1678 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
1679 (UXTB16r_rot GPR:$Src, 8)>;
1681 defm UXTAB : AI_exta_rrot<0b01101110, "uxtab",
1682 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
1683 defm UXTAH : AI_exta_rrot<0b01101111, "uxtah",
1684 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
1687 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
1688 // For disassembly only
1689 defm UXTAB16 : AI_exta_rrot_np<0b01101100, "uxtab16">;
1692 def SBFX : I<(outs GPR:$dst),
1693 (ins GPR:$src, imm0_31:$lsb, imm0_31:$width),
1694 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
1695 "sbfx", "\t$dst, $src, $lsb, $width", "", []>,
1696 Requires<[IsARM, HasV6T2]> {
1697 let Inst{27-21} = 0b0111101;
1698 let Inst{6-4} = 0b101;
1701 def UBFX : I<(outs GPR:$dst),
1702 (ins GPR:$src, imm0_31:$lsb, imm0_31:$width),
1703 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
1704 "ubfx", "\t$dst, $src, $lsb, $width", "", []>,
1705 Requires<[IsARM, HasV6T2]> {
1706 let Inst{27-21} = 0b0111111;
1707 let Inst{6-4} = 0b101;
1710 //===----------------------------------------------------------------------===//
1711 // Arithmetic Instructions.
1714 defm ADD : AsI1_bin_irs<0b0100, "add",
1715 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
1716 BinOpFrag<(add node:$LHS, node:$RHS)>, 1>;
1717 defm SUB : AsI1_bin_irs<0b0010, "sub",
1718 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
1719 BinOpFrag<(sub node:$LHS, node:$RHS)>>;
1721 // ADD and SUB with 's' bit set.
1722 defm ADDS : AI1_bin_s_irs<0b0100, "adds",
1723 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
1724 BinOpFrag<(addc node:$LHS, node:$RHS)>, 1>;
1725 defm SUBS : AI1_bin_s_irs<0b0010, "subs",
1726 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
1727 BinOpFrag<(subc node:$LHS, node:$RHS)>>;
1729 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
1730 BinOpFrag<(adde_dead_carry node:$LHS, node:$RHS)>, 1>;
1731 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
1732 BinOpFrag<(sube_dead_carry node:$LHS, node:$RHS)>>;
1733 defm ADCS : AI1_adde_sube_s_irs<0b0101, "adcs",
1734 BinOpFrag<(adde_live_carry node:$LHS, node:$RHS)>, 1>;
1735 defm SBCS : AI1_adde_sube_s_irs<0b0110, "sbcs",
1736 BinOpFrag<(sube_live_carry node:$LHS, node:$RHS) >>;
1738 def RSBri : AsI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
1739 IIC_iALUi, "rsb", "\t$dst, $a, $b",
1740 [(set GPR:$dst, (sub so_imm:$b, GPR:$a))]> {
1744 // The reg/reg form is only defined for the disassembler; for codegen it is
1745 // equivalent to SUBrr.
1746 def RSBrr : AsI1<0b0011, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
1747 IIC_iALUr, "rsb", "\t$dst, $a, $b",
1748 [/* For disassembly only; pattern left blank */]> {
1750 let Inst{11-4} = 0b00000000;
1753 def RSBrs : AsI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
1754 IIC_iALUsr, "rsb", "\t$dst, $a, $b",
1755 [(set GPR:$dst, (sub so_reg:$b, GPR:$a))]> {
1759 // RSB with 's' bit set.
1760 let Defs = [CPSR] in {
1761 def RSBSri : AI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
1762 IIC_iALUi, "rsbs", "\t$dst, $a, $b",
1763 [(set GPR:$dst, (subc so_imm:$b, GPR:$a))]> {
1767 def RSBSrs : AI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
1768 IIC_iALUsr, "rsbs", "\t$dst, $a, $b",
1769 [(set GPR:$dst, (subc so_reg:$b, GPR:$a))]> {
1775 let Uses = [CPSR] in {
1776 def RSCri : AsI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
1777 DPFrm, IIC_iALUi, "rsc", "\t$dst, $a, $b",
1778 [(set GPR:$dst, (sube_dead_carry so_imm:$b, GPR:$a))]>,
1782 // The reg/reg form is only defined for the disassembler; for codegen it is
1783 // equivalent to SUBrr.
1784 def RSCrr : AsI1<0b0111, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1785 DPFrm, IIC_iALUr, "rsc", "\t$dst, $a, $b",
1786 [/* For disassembly only; pattern left blank */]> {
1788 let Inst{11-4} = 0b00000000;
1790 def RSCrs : AsI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
1791 DPSoRegFrm, IIC_iALUsr, "rsc", "\t$dst, $a, $b",
1792 [(set GPR:$dst, (sube_dead_carry so_reg:$b, GPR:$a))]>,
1798 // FIXME: Allow these to be predicated.
1799 let Defs = [CPSR], Uses = [CPSR] in {
1800 def RSCSri : AXI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
1801 DPFrm, IIC_iALUi, "rscs\t$dst, $a, $b",
1802 [(set GPR:$dst, (sube_dead_carry so_imm:$b, GPR:$a))]>,
1807 def RSCSrs : AXI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
1808 DPSoRegFrm, IIC_iALUsr, "rscs\t$dst, $a, $b",
1809 [(set GPR:$dst, (sube_dead_carry so_reg:$b, GPR:$a))]>,
1816 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
1817 // The assume-no-carry-in form uses the negation of the input since add/sub
1818 // assume opposite meanings of the carry flag (i.e., carry == !borrow).
1819 // See the definition of AddWithCarry() in the ARM ARM A2.2.1 for the gory
1821 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
1822 (SUBri GPR:$src, so_imm_neg:$imm)>;
1823 def : ARMPat<(addc GPR:$src, so_imm_neg:$imm),
1824 (SUBSri GPR:$src, so_imm_neg:$imm)>;
1825 // The with-carry-in form matches bitwise not instead of the negation.
1826 // Effectively, the inverse interpretation of the carry flag already accounts
1827 // for part of the negation.
1828 def : ARMPat<(adde GPR:$src, so_imm_not:$imm),
1829 (SBCri GPR:$src, so_imm_not:$imm)>;
1831 // Note: These are implemented in C++ code, because they have to generate
1832 // ADD/SUBrs instructions, which use a complex pattern that a xform function
1834 // (mul X, 2^n+1) -> (add (X << n), X)
1835 // (mul X, 2^n-1) -> (rsb X, (X << n))
1837 // ARM Arithmetic Instruction -- for disassembly only
1838 // GPR:$dst = GPR:$a op GPR:$b
1839 class AAI<bits<8> op27_20, bits<4> op7_4, string opc,
1840 list<dag> pattern = [/* For disassembly only; pattern left blank */]>
1841 : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm, IIC_iALUr,
1842 opc, "\t$dst, $a, $b", pattern> {
1843 let Inst{27-20} = op27_20;
1844 let Inst{7-4} = op7_4;
1847 // Saturating add/subtract -- for disassembly only
1849 def QADD : AAI<0b00010000, 0b0101, "qadd",
1850 [(set GPR:$dst, (int_arm_qadd GPR:$a, GPR:$b))]>;
1851 def QADD16 : AAI<0b01100010, 0b0001, "qadd16">;
1852 def QADD8 : AAI<0b01100010, 0b1001, "qadd8">;
1853 def QASX : AAI<0b01100010, 0b0011, "qasx">;
1854 def QDADD : AAI<0b00010100, 0b0101, "qdadd">;
1855 def QDSUB : AAI<0b00010110, 0b0101, "qdsub">;
1856 def QSAX : AAI<0b01100010, 0b0101, "qsax">;
1857 def QSUB : AAI<0b00010010, 0b0101, "qsub",
1858 [(set GPR:$dst, (int_arm_qsub GPR:$a, GPR:$b))]>;
1859 def QSUB16 : AAI<0b01100010, 0b0111, "qsub16">;
1860 def QSUB8 : AAI<0b01100010, 0b1111, "qsub8">;
1861 def UQADD16 : AAI<0b01100110, 0b0001, "uqadd16">;
1862 def UQADD8 : AAI<0b01100110, 0b1001, "uqadd8">;
1863 def UQASX : AAI<0b01100110, 0b0011, "uqasx">;
1864 def UQSAX : AAI<0b01100110, 0b0101, "uqsax">;
1865 def UQSUB16 : AAI<0b01100110, 0b0111, "uqsub16">;
1866 def UQSUB8 : AAI<0b01100110, 0b1111, "uqsub8">;
1868 // Signed/Unsigned add/subtract -- for disassembly only
1870 def SASX : AAI<0b01100001, 0b0011, "sasx">;
1871 def SADD16 : AAI<0b01100001, 0b0001, "sadd16">;
1872 def SADD8 : AAI<0b01100001, 0b1001, "sadd8">;
1873 def SSAX : AAI<0b01100001, 0b0101, "ssax">;
1874 def SSUB16 : AAI<0b01100001, 0b0111, "ssub16">;
1875 def SSUB8 : AAI<0b01100001, 0b1111, "ssub8">;
1876 def UASX : AAI<0b01100101, 0b0011, "uasx">;
1877 def UADD16 : AAI<0b01100101, 0b0001, "uadd16">;
1878 def UADD8 : AAI<0b01100101, 0b1001, "uadd8">;
1879 def USAX : AAI<0b01100101, 0b0101, "usax">;
1880 def USUB16 : AAI<0b01100101, 0b0111, "usub16">;
1881 def USUB8 : AAI<0b01100101, 0b1111, "usub8">;
1883 // Signed/Unsigned halving add/subtract -- for disassembly only
1885 def SHASX : AAI<0b01100011, 0b0011, "shasx">;
1886 def SHADD16 : AAI<0b01100011, 0b0001, "shadd16">;
1887 def SHADD8 : AAI<0b01100011, 0b1001, "shadd8">;
1888 def SHSAX : AAI<0b01100011, 0b0101, "shsax">;
1889 def SHSUB16 : AAI<0b01100011, 0b0111, "shsub16">;
1890 def SHSUB8 : AAI<0b01100011, 0b1111, "shsub8">;
1891 def UHASX : AAI<0b01100111, 0b0011, "uhasx">;
1892 def UHADD16 : AAI<0b01100111, 0b0001, "uhadd16">;
1893 def UHADD8 : AAI<0b01100111, 0b1001, "uhadd8">;
1894 def UHSAX : AAI<0b01100111, 0b0101, "uhsax">;
1895 def UHSUB16 : AAI<0b01100111, 0b0111, "uhsub16">;
1896 def UHSUB8 : AAI<0b01100111, 0b1111, "uhsub8">;
1898 // Unsigned Sum of Absolute Differences [and Accumulate] -- for disassembly only
1900 def USAD8 : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b),
1901 MulFrm /* for convenience */, NoItinerary, "usad8",
1902 "\t$dst, $a, $b", []>,
1903 Requires<[IsARM, HasV6]> {
1904 let Inst{27-20} = 0b01111000;
1905 let Inst{15-12} = 0b1111;
1906 let Inst{7-4} = 0b0001;
1908 def USADA8 : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1909 MulFrm /* for convenience */, NoItinerary, "usada8",
1910 "\t$dst, $a, $b, $acc", []>,
1911 Requires<[IsARM, HasV6]> {
1912 let Inst{27-20} = 0b01111000;
1913 let Inst{7-4} = 0b0001;
1916 // Signed/Unsigned saturate -- for disassembly only
1918 def SSAT : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a, shift_imm:$sh),
1919 SatFrm, NoItinerary, "ssat", "\t$dst, $bit_pos, $a$sh",
1920 [/* For disassembly only; pattern left blank */]> {
1921 let Inst{27-21} = 0b0110101;
1922 let Inst{5-4} = 0b01;
1925 def SSAT16 : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a), SatFrm,
1926 NoItinerary, "ssat16", "\t$dst, $bit_pos, $a",
1927 [/* For disassembly only; pattern left blank */]> {
1928 let Inst{27-20} = 0b01101010;
1929 let Inst{7-4} = 0b0011;
1932 def USAT : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a, shift_imm:$sh),
1933 SatFrm, NoItinerary, "usat", "\t$dst, $bit_pos, $a$sh",
1934 [/* For disassembly only; pattern left blank */]> {
1935 let Inst{27-21} = 0b0110111;
1936 let Inst{5-4} = 0b01;
1939 def USAT16 : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a), SatFrm,
1940 NoItinerary, "usat16", "\t$dst, $bit_pos, $a",
1941 [/* For disassembly only; pattern left blank */]> {
1942 let Inst{27-20} = 0b01101110;
1943 let Inst{7-4} = 0b0011;
1946 def : ARMV6Pat<(int_arm_ssat GPR:$a, imm:$pos), (SSAT imm:$pos, GPR:$a, 0)>;
1947 def : ARMV6Pat<(int_arm_usat GPR:$a, imm:$pos), (USAT imm:$pos, GPR:$a, 0)>;
1949 //===----------------------------------------------------------------------===//
1950 // Bitwise Instructions.
1953 defm AND : AsI1_bin_irs<0b0000, "and",
1954 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
1955 BinOpFrag<(and node:$LHS, node:$RHS)>, 1>;
1956 defm ANDS : AI1_bin_s_irs<0b0000, "and",
1957 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
1958 BinOpFrag<(ARMand node:$LHS, node:$RHS)>, 1>;
1959 defm ORR : AsI1_bin_irs<0b1100, "orr",
1960 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
1961 BinOpFrag<(or node:$LHS, node:$RHS)>, 1>;
1962 defm EOR : AsI1_bin_irs<0b0001, "eor",
1963 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
1964 BinOpFrag<(xor node:$LHS, node:$RHS)>, 1>;
1965 defm BIC : AsI1_bin_irs<0b1110, "bic",
1966 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
1967 BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
1969 def BFC : I<(outs GPR:$dst), (ins GPR:$src, bf_inv_mask_imm:$imm),
1970 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
1971 "bfc", "\t$dst, $imm", "$src = $dst",
1972 [(set GPR:$dst, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
1973 Requires<[IsARM, HasV6T2]> {
1974 let Inst{27-21} = 0b0111110;
1975 let Inst{6-0} = 0b0011111;
1978 // A8.6.18 BFI - Bitfield insert (Encoding A1)
1979 def BFI : I<(outs GPR:$dst), (ins GPR:$src, GPR:$val, bf_inv_mask_imm:$imm),
1980 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
1981 "bfi", "\t$dst, $val, $imm", "$src = $dst",
1982 [(set GPR:$dst, (ARMbfi GPR:$src, GPR:$val,
1983 bf_inv_mask_imm:$imm))]>,
1984 Requires<[IsARM, HasV6T2]> {
1985 let Inst{27-21} = 0b0111110;
1986 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
1989 def MVNr : AsI1<0b1111, (outs GPR:$dst), (ins GPR:$src), DPFrm, IIC_iMVNr,
1990 "mvn", "\t$dst, $src",
1991 [(set GPR:$dst, (not GPR:$src))]>, UnaryDP {
1993 let Inst{11-4} = 0b00000000;
1995 def MVNs : AsI1<0b1111, (outs GPR:$dst), (ins so_reg:$src), DPSoRegFrm,
1996 IIC_iMVNsr, "mvn", "\t$dst, $src",
1997 [(set GPR:$dst, (not so_reg:$src))]>, UnaryDP {
2000 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
2001 def MVNi : AsI1<0b1111, (outs GPR:$dst), (ins so_imm:$imm), DPFrm,
2002 IIC_iMVNi, "mvn", "\t$dst, $imm",
2003 [(set GPR:$dst, so_imm_not:$imm)]>,UnaryDP {
2007 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
2008 (BICri GPR:$src, so_imm_not:$imm)>;
2010 //===----------------------------------------------------------------------===//
2011 // Multiply Instructions.
2014 let isCommutable = 1 in
2015 def MUL : AsMul1I<0b0000000, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2016 IIC_iMUL32, "mul", "\t$dst, $a, $b",
2017 [(set GPR:$dst, (mul GPR:$a, GPR:$b))]>;
2019 def MLA : AsMul1I<0b0000001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
2020 IIC_iMAC32, "mla", "\t$dst, $a, $b, $c",
2021 [(set GPR:$dst, (add (mul GPR:$a, GPR:$b), GPR:$c))]>;
2023 def MLS : AMul1I<0b0000011, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
2024 IIC_iMAC32, "mls", "\t$dst, $a, $b, $c",
2025 [(set GPR:$dst, (sub GPR:$c, (mul GPR:$a, GPR:$b)))]>,
2026 Requires<[IsARM, HasV6T2]>;
2028 // Extra precision multiplies with low / high results
2029 let neverHasSideEffects = 1 in {
2030 let isCommutable = 1 in {
2031 def SMULL : AsMul1I<0b0000110, (outs GPR:$ldst, GPR:$hdst),
2032 (ins GPR:$a, GPR:$b), IIC_iMUL64,
2033 "smull", "\t$ldst, $hdst, $a, $b", []>;
2035 def UMULL : AsMul1I<0b0000100, (outs GPR:$ldst, GPR:$hdst),
2036 (ins GPR:$a, GPR:$b), IIC_iMUL64,
2037 "umull", "\t$ldst, $hdst, $a, $b", []>;
2040 // Multiply + accumulate
2041 def SMLAL : AsMul1I<0b0000111, (outs GPR:$ldst, GPR:$hdst),
2042 (ins GPR:$a, GPR:$b), IIC_iMAC64,
2043 "smlal", "\t$ldst, $hdst, $a, $b", []>;
2045 def UMLAL : AsMul1I<0b0000101, (outs GPR:$ldst, GPR:$hdst),
2046 (ins GPR:$a, GPR:$b), IIC_iMAC64,
2047 "umlal", "\t$ldst, $hdst, $a, $b", []>;
2049 def UMAAL : AMul1I <0b0000010, (outs GPR:$ldst, GPR:$hdst),
2050 (ins GPR:$a, GPR:$b), IIC_iMAC64,
2051 "umaal", "\t$ldst, $hdst, $a, $b", []>,
2052 Requires<[IsARM, HasV6]>;
2053 } // neverHasSideEffects
2055 // Most significant word multiply
2056 def SMMUL : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2057 IIC_iMUL32, "smmul", "\t$dst, $a, $b",
2058 [(set GPR:$dst, (mulhs GPR:$a, GPR:$b))]>,
2059 Requires<[IsARM, HasV6]> {
2060 let Inst{7-4} = 0b0001;
2061 let Inst{15-12} = 0b1111;
2064 def SMMULR : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2065 IIC_iMUL32, "smmulr", "\t$dst, $a, $b",
2066 [/* For disassembly only; pattern left blank */]>,
2067 Requires<[IsARM, HasV6]> {
2068 let Inst{7-4} = 0b0011; // R = 1
2069 let Inst{15-12} = 0b1111;
2072 def SMMLA : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
2073 IIC_iMAC32, "smmla", "\t$dst, $a, $b, $c",
2074 [(set GPR:$dst, (add (mulhs GPR:$a, GPR:$b), GPR:$c))]>,
2075 Requires<[IsARM, HasV6]> {
2076 let Inst{7-4} = 0b0001;
2079 def SMMLAR : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
2080 IIC_iMAC32, "smmlar", "\t$dst, $a, $b, $c",
2081 [/* For disassembly only; pattern left blank */]>,
2082 Requires<[IsARM, HasV6]> {
2083 let Inst{7-4} = 0b0011; // R = 1
2086 def SMMLS : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
2087 IIC_iMAC32, "smmls", "\t$dst, $a, $b, $c",
2088 [(set GPR:$dst, (sub GPR:$c, (mulhs GPR:$a, GPR:$b)))]>,
2089 Requires<[IsARM, HasV6]> {
2090 let Inst{7-4} = 0b1101;
2093 def SMMLSR : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
2094 IIC_iMAC32, "smmlsr", "\t$dst, $a, $b, $c",
2095 [/* For disassembly only; pattern left blank */]>,
2096 Requires<[IsARM, HasV6]> {
2097 let Inst{7-4} = 0b1111; // R = 1
2100 multiclass AI_smul<string opc, PatFrag opnode> {
2101 def BB : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2102 IIC_iMUL16, !strconcat(opc, "bb"), "\t$dst, $a, $b",
2103 [(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16),
2104 (sext_inreg GPR:$b, i16)))]>,
2105 Requires<[IsARM, HasV5TE]> {
2110 def BT : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2111 IIC_iMUL16, !strconcat(opc, "bt"), "\t$dst, $a, $b",
2112 [(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16),
2113 (sra GPR:$b, (i32 16))))]>,
2114 Requires<[IsARM, HasV5TE]> {
2119 def TB : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2120 IIC_iMUL16, !strconcat(opc, "tb"), "\t$dst, $a, $b",
2121 [(set GPR:$dst, (opnode (sra GPR:$a, (i32 16)),
2122 (sext_inreg GPR:$b, i16)))]>,
2123 Requires<[IsARM, HasV5TE]> {
2128 def TT : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2129 IIC_iMUL16, !strconcat(opc, "tt"), "\t$dst, $a, $b",
2130 [(set GPR:$dst, (opnode (sra GPR:$a, (i32 16)),
2131 (sra GPR:$b, (i32 16))))]>,
2132 Requires<[IsARM, HasV5TE]> {
2137 def WB : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2138 IIC_iMUL16, !strconcat(opc, "wb"), "\t$dst, $a, $b",
2139 [(set GPR:$dst, (sra (opnode GPR:$a,
2140 (sext_inreg GPR:$b, i16)), (i32 16)))]>,
2141 Requires<[IsARM, HasV5TE]> {
2146 def WT : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2147 IIC_iMUL16, !strconcat(opc, "wt"), "\t$dst, $a, $b",
2148 [(set GPR:$dst, (sra (opnode GPR:$a,
2149 (sra GPR:$b, (i32 16))), (i32 16)))]>,
2150 Requires<[IsARM, HasV5TE]> {
2157 multiclass AI_smla<string opc, PatFrag opnode> {
2158 def BB : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2159 IIC_iMAC16, !strconcat(opc, "bb"), "\t$dst, $a, $b, $acc",
2160 [(set GPR:$dst, (add GPR:$acc,
2161 (opnode (sext_inreg GPR:$a, i16),
2162 (sext_inreg GPR:$b, i16))))]>,
2163 Requires<[IsARM, HasV5TE]> {
2168 def BT : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2169 IIC_iMAC16, !strconcat(opc, "bt"), "\t$dst, $a, $b, $acc",
2170 [(set GPR:$dst, (add GPR:$acc, (opnode (sext_inreg GPR:$a, i16),
2171 (sra GPR:$b, (i32 16)))))]>,
2172 Requires<[IsARM, HasV5TE]> {
2177 def TB : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2178 IIC_iMAC16, !strconcat(opc, "tb"), "\t$dst, $a, $b, $acc",
2179 [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, (i32 16)),
2180 (sext_inreg GPR:$b, i16))))]>,
2181 Requires<[IsARM, HasV5TE]> {
2186 def TT : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2187 IIC_iMAC16, !strconcat(opc, "tt"), "\t$dst, $a, $b, $acc",
2188 [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, (i32 16)),
2189 (sra GPR:$b, (i32 16)))))]>,
2190 Requires<[IsARM, HasV5TE]> {
2195 def WB : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2196 IIC_iMAC16, !strconcat(opc, "wb"), "\t$dst, $a, $b, $acc",
2197 [(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a,
2198 (sext_inreg GPR:$b, i16)), (i32 16))))]>,
2199 Requires<[IsARM, HasV5TE]> {
2204 def WT : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2205 IIC_iMAC16, !strconcat(opc, "wt"), "\t$dst, $a, $b, $acc",
2206 [(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a,
2207 (sra GPR:$b, (i32 16))), (i32 16))))]>,
2208 Requires<[IsARM, HasV5TE]> {
2214 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
2215 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
2217 // Halfword multiply accumulate long: SMLAL<x><y> -- for disassembly only
2218 def SMLALBB : AMulxyI<0b0001010,(outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
2219 IIC_iMAC64, "smlalbb", "\t$ldst, $hdst, $a, $b",
2220 [/* For disassembly only; pattern left blank */]>,
2221 Requires<[IsARM, HasV5TE]> {
2226 def SMLALBT : AMulxyI<0b0001010,(outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
2227 IIC_iMAC64, "smlalbt", "\t$ldst, $hdst, $a, $b",
2228 [/* For disassembly only; pattern left blank */]>,
2229 Requires<[IsARM, HasV5TE]> {
2234 def SMLALTB : AMulxyI<0b0001010,(outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
2235 IIC_iMAC64, "smlaltb", "\t$ldst, $hdst, $a, $b",
2236 [/* For disassembly only; pattern left blank */]>,
2237 Requires<[IsARM, HasV5TE]> {
2242 def SMLALTT : AMulxyI<0b0001010,(outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
2243 IIC_iMAC64, "smlaltt", "\t$ldst, $hdst, $a, $b",
2244 [/* For disassembly only; pattern left blank */]>,
2245 Requires<[IsARM, HasV5TE]> {
2250 // Helper class for AI_smld -- for disassembly only
2251 class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
2252 InstrItinClass itin, string opc, string asm>
2253 : AI<oops, iops, MulFrm, itin, opc, asm, []>, Requires<[IsARM, HasV6]> {
2258 let Inst{21-20} = 0b00;
2259 let Inst{22} = long;
2260 let Inst{27-23} = 0b01110;
2263 multiclass AI_smld<bit sub, string opc> {
2265 def D : AMulDualI<0, sub, 0, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2266 NoItinerary, !strconcat(opc, "d"), "\t$dst, $a, $b, $acc">;
2268 def DX : AMulDualI<0, sub, 1, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2269 NoItinerary, !strconcat(opc, "dx"), "\t$dst, $a, $b, $acc">;
2271 def LD : AMulDualI<1, sub, 0, (outs GPR:$ldst,GPR:$hdst), (ins GPR:$a,GPR:$b),
2272 NoItinerary, !strconcat(opc, "ld"), "\t$ldst, $hdst, $a, $b">;
2274 def LDX : AMulDualI<1, sub, 1, (outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
2275 NoItinerary, !strconcat(opc, "ldx"),"\t$ldst, $hdst, $a, $b">;
2279 defm SMLA : AI_smld<0, "smla">;
2280 defm SMLS : AI_smld<1, "smls">;
2282 multiclass AI_sdml<bit sub, string opc> {
2284 def D : AMulDualI<0, sub, 0, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2285 NoItinerary, !strconcat(opc, "d"), "\t$dst, $a, $b"> {
2286 let Inst{15-12} = 0b1111;
2289 def DX : AMulDualI<0, sub, 1, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2290 NoItinerary, !strconcat(opc, "dx"), "\t$dst, $a, $b"> {
2291 let Inst{15-12} = 0b1111;
2296 defm SMUA : AI_sdml<0, "smua">;
2297 defm SMUS : AI_sdml<1, "smus">;
2299 //===----------------------------------------------------------------------===//
2300 // Misc. Arithmetic Instructions.
2303 def CLZ : AMiscA1I<0b000010110, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
2304 "clz", "\t$dst, $src",
2305 [(set GPR:$dst, (ctlz GPR:$src))]>, Requires<[IsARM, HasV5T]> {
2306 let Inst{7-4} = 0b0001;
2307 let Inst{11-8} = 0b1111;
2308 let Inst{19-16} = 0b1111;
2311 def RBIT : AMiscA1I<0b01101111, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
2312 "rbit", "\t$dst, $src",
2313 [(set GPR:$dst, (ARMrbit GPR:$src))]>,
2314 Requires<[IsARM, HasV6T2]> {
2315 let Inst{7-4} = 0b0011;
2316 let Inst{11-8} = 0b1111;
2317 let Inst{19-16} = 0b1111;
2320 def REV : AMiscA1I<0b01101011, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
2321 "rev", "\t$dst, $src",
2322 [(set GPR:$dst, (bswap GPR:$src))]>, Requires<[IsARM, HasV6]> {
2323 let Inst{7-4} = 0b0011;
2324 let Inst{11-8} = 0b1111;
2325 let Inst{19-16} = 0b1111;
2328 def REV16 : AMiscA1I<0b01101011, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
2329 "rev16", "\t$dst, $src",
2331 (or (and (srl GPR:$src, (i32 8)), 0xFF),
2332 (or (and (shl GPR:$src, (i32 8)), 0xFF00),
2333 (or (and (srl GPR:$src, (i32 8)), 0xFF0000),
2334 (and (shl GPR:$src, (i32 8)), 0xFF000000)))))]>,
2335 Requires<[IsARM, HasV6]> {
2336 let Inst{7-4} = 0b1011;
2337 let Inst{11-8} = 0b1111;
2338 let Inst{19-16} = 0b1111;
2341 def REVSH : AMiscA1I<0b01101111, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
2342 "revsh", "\t$dst, $src",
2345 (or (srl (and GPR:$src, 0xFF00), (i32 8)),
2346 (shl GPR:$src, (i32 8))), i16))]>,
2347 Requires<[IsARM, HasV6]> {
2348 let Inst{7-4} = 0b1011;
2349 let Inst{11-8} = 0b1111;
2350 let Inst{19-16} = 0b1111;
2353 def lsl_shift_imm : SDNodeXForm<imm, [{
2354 unsigned Sh = ARM_AM::getSORegOpc(ARM_AM::lsl, N->getZExtValue());
2355 return CurDAG->getTargetConstant(Sh, MVT::i32);
2358 def lsl_amt : PatLeaf<(i32 imm), [{
2359 return (N->getZExtValue() < 32);
2362 def PKHBT : AMiscA1I<0b01101000, (outs GPR:$dst),
2363 (ins GPR:$src1, GPR:$src2, shift_imm:$sh),
2364 IIC_iALUsi, "pkhbt", "\t$dst, $src1, $src2$sh",
2365 [(set GPR:$dst, (or (and GPR:$src1, 0xFFFF),
2366 (and (shl GPR:$src2, lsl_amt:$sh),
2368 Requires<[IsARM, HasV6]> {
2369 let Inst{6-4} = 0b001;
2372 // Alternate cases for PKHBT where identities eliminate some nodes.
2373 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF), (and GPR:$src2, 0xFFFF0000)),
2374 (PKHBT GPR:$src1, GPR:$src2, 0)>;
2375 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF), (shl GPR:$src2, imm16_31:$sh)),
2376 (PKHBT GPR:$src1, GPR:$src2, (lsl_shift_imm imm16_31:$sh))>;
2378 def asr_shift_imm : SDNodeXForm<imm, [{
2379 unsigned Sh = ARM_AM::getSORegOpc(ARM_AM::asr, N->getZExtValue());
2380 return CurDAG->getTargetConstant(Sh, MVT::i32);
2383 def asr_amt : PatLeaf<(i32 imm), [{
2384 return (N->getZExtValue() <= 32);
2387 // Note: Shifts of 1-15 bits will be transformed to srl instead of sra and
2388 // will match the pattern below.
2389 def PKHTB : AMiscA1I<0b01101000, (outs GPR:$dst),
2390 (ins GPR:$src1, GPR:$src2, shift_imm:$sh),
2391 IIC_iBITsi, "pkhtb", "\t$dst, $src1, $src2$sh",
2392 [(set GPR:$dst, (or (and GPR:$src1, 0xFFFF0000),
2393 (and (sra GPR:$src2, asr_amt:$sh),
2395 Requires<[IsARM, HasV6]> {
2396 let Inst{6-4} = 0b101;
2399 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
2400 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
2401 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000), (srl GPR:$src2, imm16_31:$sh)),
2402 (PKHTB GPR:$src1, GPR:$src2, (asr_shift_imm imm16_31:$sh))>;
2403 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000),
2404 (and (srl GPR:$src2, imm1_15:$sh), 0xFFFF)),
2405 (PKHTB GPR:$src1, GPR:$src2, (asr_shift_imm imm1_15:$sh))>;
2407 //===----------------------------------------------------------------------===//
2408 // Comparison Instructions...
2411 defm CMP : AI1_cmp_irs<0b1010, "cmp",
2412 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
2413 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
2415 // FIXME: We have to be careful when using the CMN instruction and comparison
2416 // with 0. One would expect these two pieces of code should give identical
2432 // However, the CMN gives the *opposite* result when r1 is 0. This is because
2433 // the carry flag is set in the CMP case but not in the CMN case. In short, the
2434 // CMP instruction doesn't perform a truncate of the (logical) NOT of 0 plus the
2435 // value of r0 and the carry bit (because the "carry bit" parameter to
2436 // AddWithCarry is defined as 1 in this case, the carry flag will always be set
2437 // when r0 >= 0). The CMN instruction doesn't perform a NOT of 0 so there is
2438 // never a "carry" when this AddWithCarry is performed (because the "carry bit"
2439 // parameter to AddWithCarry is defined as 0).
2441 // When x is 0 and unsigned:
2445 // ~x + 1 = 0x1 0000 0000
2446 // (-x = 0) != (0x1 0000 0000 = ~x + 1)
2448 // Therefore, we should disable CMN when comparing against zero, until we can
2449 // limit when the CMN instruction is used (when we know that the RHS is not 0 or
2450 // when it's a comparison which doesn't look at the 'carry' flag).
2452 // (See the ARM docs for the "AddWithCarry" pseudo-code.)
2454 // This is related to <rdar://problem/7569620>.
2456 //defm CMN : AI1_cmp_irs<0b1011, "cmn",
2457 // BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
2459 // Note that TST/TEQ don't set all the same flags that CMP does!
2460 defm TST : AI1_cmp_irs<0b1000, "tst",
2461 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
2462 BinOpFrag<(ARMcmpZ (and node:$LHS, node:$RHS), 0)>, 1>;
2463 defm TEQ : AI1_cmp_irs<0b1001, "teq",
2464 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
2465 BinOpFrag<(ARMcmpZ (xor node:$LHS, node:$RHS), 0)>, 1>;
2467 defm CMPz : AI1_cmp_irs<0b1010, "cmp",
2468 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
2469 BinOpFrag<(ARMcmpZ node:$LHS, node:$RHS)>>;
2470 defm CMNz : AI1_cmp_irs<0b1011, "cmn",
2471 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
2472 BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>>;
2474 //def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
2475 // (CMNri GPR:$src, so_imm_neg:$imm)>;
2477 def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
2478 (CMNzri GPR:$src, so_imm_neg:$imm)>;
2480 // Pseudo i64 compares for some floating point compares.
2481 let usesCustomInserter = 1, isBranch = 1, isTerminator = 1,
2483 def BCCi64 : PseudoInst<(outs),
2484 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, brtarget:$dst),
2486 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, bb:$dst)]>;
2488 def BCCZi64 : PseudoInst<(outs),
2489 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, brtarget:$dst), IIC_Br, "",
2490 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, 0, 0, bb:$dst)]>;
2491 } // usesCustomInserter
2494 // Conditional moves
2495 // FIXME: should be able to write a pattern for ARMcmov, but can't use
2496 // a two-value operand where a dag node expects two operands. :(
2497 // FIXME: These should all be pseudo-instructions that get expanded to
2498 // the normal MOV instructions. That would fix the dependency on
2499 // special casing them in tblgen.
2500 let neverHasSideEffects = 1 in {
2501 def MOVCCr : AI1<0b1101, (outs GPR:$Rd), (ins GPR:$false, GPR:$Rm), DPFrm,
2502 IIC_iCMOVr, "mov", "\t$Rd, $Rm",
2503 [/*(set GPR:$Rd, (ARMcmov GPR:$false, GPR:$Rm, imm:$cc, CCR:$ccr))*/]>,
2504 RegConstraint<"$false = $Rd">, UnaryDP {
2508 let Inst{11-4} = 0b00000000;
2511 let Inst{15-12} = Rd;
2512 let Inst{11-4} = 0b00000000;
2516 def MOVCCs : AI1<0b1101, (outs GPR:$dst),
2517 (ins GPR:$false, so_reg:$true), DPSoRegFrm, IIC_iCMOVsr,
2518 "mov", "\t$dst, $true",
2519 [/*(set GPR:$dst, (ARMcmov GPR:$false, so_reg:$true, imm:$cc, CCR:$ccr))*/]>,
2520 RegConstraint<"$false = $dst">, UnaryDP {
2524 def MOVCCi16 : AI1<0b1000, (outs GPR:$dst), (ins GPR:$false, i32imm:$src),
2526 "movw", "\t$dst, $src",
2528 RegConstraint<"$false = $dst">, Requires<[IsARM, HasV6T2]>,
2534 def MOVCCi : AI1<0b1101, (outs GPR:$dst),
2535 (ins GPR:$false, so_imm:$true), DPFrm, IIC_iCMOVi,
2536 "mov", "\t$dst, $true",
2537 [/*(set GPR:$dst, (ARMcmov GPR:$false, so_imm:$true, imm:$cc, CCR:$ccr))*/]>,
2538 RegConstraint<"$false = $dst">, UnaryDP {
2541 } // neverHasSideEffects
2543 //===----------------------------------------------------------------------===//
2544 // Atomic operations intrinsics
2547 // memory barriers protect the atomic sequences
2548 let hasSideEffects = 1 in {
2549 def DMBsy : AInoP<(outs), (ins), MiscFrm, NoItinerary, "dmb", "",
2550 [(ARMMemBarrier)]>, Requires<[IsARM, HasDB]> {
2551 let Inst{31-4} = 0xf57ff05;
2552 // FIXME: add support for options other than a full system DMB
2553 // See DMB disassembly-only variants below.
2554 let Inst{3-0} = 0b1111;
2557 def DSBsy : AInoP<(outs), (ins), MiscFrm, NoItinerary, "dsb", "",
2558 [(ARMSyncBarrier)]>, Requires<[IsARM, HasDB]> {
2559 let Inst{31-4} = 0xf57ff04;
2560 // FIXME: add support for options other than a full system DSB
2561 // See DSB disassembly-only variants below.
2562 let Inst{3-0} = 0b1111;
2565 def DMB_MCR : AInoP<(outs), (ins GPR:$zero), MiscFrm, NoItinerary,
2566 "mcr", "\tp15, 0, $zero, c7, c10, 5",
2567 [(ARMMemBarrierMCR GPR:$zero)]>,
2568 Requires<[IsARM, HasV6]> {
2569 // FIXME: add support for options other than a full system DMB
2570 // FIXME: add encoding
2573 def DSB_MCR : AInoP<(outs), (ins GPR:$zero), MiscFrm, NoItinerary,
2574 "mcr", "\tp15, 0, $zero, c7, c10, 4",
2575 [(ARMSyncBarrierMCR GPR:$zero)]>,
2576 Requires<[IsARM, HasV6]> {
2577 // FIXME: add support for options other than a full system DSB
2578 // FIXME: add encoding
2582 // Memory Barrier Operations Variants -- for disassembly only
2584 def memb_opt : Operand<i32> {
2585 let PrintMethod = "printMemBOption";
2588 class AMBI<bits<4> op7_4, string opc>
2589 : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary, opc, "\t$opt",
2590 [/* For disassembly only; pattern left blank */]>,
2591 Requires<[IsARM, HasDB]> {
2592 let Inst{31-8} = 0xf57ff0;
2593 let Inst{7-4} = op7_4;
2596 // These DMB variants are for disassembly only.
2597 def DMBvar : AMBI<0b0101, "dmb">;
2599 // These DSB variants are for disassembly only.
2600 def DSBvar : AMBI<0b0100, "dsb">;
2602 // ISB has only full system option -- for disassembly only
2603 def ISBsy : AInoP<(outs), (ins), MiscFrm, NoItinerary, "isb", "", []>,
2604 Requires<[IsARM, HasDB]> {
2605 let Inst{31-4} = 0xf57ff06;
2606 let Inst{3-0} = 0b1111;
2609 let usesCustomInserter = 1 in {
2610 let Uses = [CPSR] in {
2611 def ATOMIC_LOAD_ADD_I8 : PseudoInst<
2612 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2613 [(set GPR:$dst, (atomic_load_add_8 GPR:$ptr, GPR:$incr))]>;
2614 def ATOMIC_LOAD_SUB_I8 : PseudoInst<
2615 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2616 [(set GPR:$dst, (atomic_load_sub_8 GPR:$ptr, GPR:$incr))]>;
2617 def ATOMIC_LOAD_AND_I8 : PseudoInst<
2618 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2619 [(set GPR:$dst, (atomic_load_and_8 GPR:$ptr, GPR:$incr))]>;
2620 def ATOMIC_LOAD_OR_I8 : PseudoInst<
2621 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2622 [(set GPR:$dst, (atomic_load_or_8 GPR:$ptr, GPR:$incr))]>;
2623 def ATOMIC_LOAD_XOR_I8 : PseudoInst<
2624 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2625 [(set GPR:$dst, (atomic_load_xor_8 GPR:$ptr, GPR:$incr))]>;
2626 def ATOMIC_LOAD_NAND_I8 : PseudoInst<
2627 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2628 [(set GPR:$dst, (atomic_load_nand_8 GPR:$ptr, GPR:$incr))]>;
2629 def ATOMIC_LOAD_ADD_I16 : PseudoInst<
2630 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2631 [(set GPR:$dst, (atomic_load_add_16 GPR:$ptr, GPR:$incr))]>;
2632 def ATOMIC_LOAD_SUB_I16 : PseudoInst<
2633 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2634 [(set GPR:$dst, (atomic_load_sub_16 GPR:$ptr, GPR:$incr))]>;
2635 def ATOMIC_LOAD_AND_I16 : PseudoInst<
2636 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2637 [(set GPR:$dst, (atomic_load_and_16 GPR:$ptr, GPR:$incr))]>;
2638 def ATOMIC_LOAD_OR_I16 : PseudoInst<
2639 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2640 [(set GPR:$dst, (atomic_load_or_16 GPR:$ptr, GPR:$incr))]>;
2641 def ATOMIC_LOAD_XOR_I16 : PseudoInst<
2642 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2643 [(set GPR:$dst, (atomic_load_xor_16 GPR:$ptr, GPR:$incr))]>;
2644 def ATOMIC_LOAD_NAND_I16 : PseudoInst<
2645 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2646 [(set GPR:$dst, (atomic_load_nand_16 GPR:$ptr, GPR:$incr))]>;
2647 def ATOMIC_LOAD_ADD_I32 : PseudoInst<
2648 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2649 [(set GPR:$dst, (atomic_load_add_32 GPR:$ptr, GPR:$incr))]>;
2650 def ATOMIC_LOAD_SUB_I32 : PseudoInst<
2651 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2652 [(set GPR:$dst, (atomic_load_sub_32 GPR:$ptr, GPR:$incr))]>;
2653 def ATOMIC_LOAD_AND_I32 : PseudoInst<
2654 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2655 [(set GPR:$dst, (atomic_load_and_32 GPR:$ptr, GPR:$incr))]>;
2656 def ATOMIC_LOAD_OR_I32 : PseudoInst<
2657 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2658 [(set GPR:$dst, (atomic_load_or_32 GPR:$ptr, GPR:$incr))]>;
2659 def ATOMIC_LOAD_XOR_I32 : PseudoInst<
2660 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2661 [(set GPR:$dst, (atomic_load_xor_32 GPR:$ptr, GPR:$incr))]>;
2662 def ATOMIC_LOAD_NAND_I32 : PseudoInst<
2663 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2664 [(set GPR:$dst, (atomic_load_nand_32 GPR:$ptr, GPR:$incr))]>;
2666 def ATOMIC_SWAP_I8 : PseudoInst<
2667 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary, "",
2668 [(set GPR:$dst, (atomic_swap_8 GPR:$ptr, GPR:$new))]>;
2669 def ATOMIC_SWAP_I16 : PseudoInst<
2670 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary, "",
2671 [(set GPR:$dst, (atomic_swap_16 GPR:$ptr, GPR:$new))]>;
2672 def ATOMIC_SWAP_I32 : PseudoInst<
2673 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary, "",
2674 [(set GPR:$dst, (atomic_swap_32 GPR:$ptr, GPR:$new))]>;
2676 def ATOMIC_CMP_SWAP_I8 : PseudoInst<
2677 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary, "",
2678 [(set GPR:$dst, (atomic_cmp_swap_8 GPR:$ptr, GPR:$old, GPR:$new))]>;
2679 def ATOMIC_CMP_SWAP_I16 : PseudoInst<
2680 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary, "",
2681 [(set GPR:$dst, (atomic_cmp_swap_16 GPR:$ptr, GPR:$old, GPR:$new))]>;
2682 def ATOMIC_CMP_SWAP_I32 : PseudoInst<
2683 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary, "",
2684 [(set GPR:$dst, (atomic_cmp_swap_32 GPR:$ptr, GPR:$old, GPR:$new))]>;
2688 let mayLoad = 1 in {
2689 def LDREXB : AIldrex<0b10, (outs GPR:$dest), (ins GPR:$ptr), NoItinerary,
2690 "ldrexb", "\t$dest, [$ptr]",
2692 def LDREXH : AIldrex<0b11, (outs GPR:$dest), (ins GPR:$ptr), NoItinerary,
2693 "ldrexh", "\t$dest, [$ptr]",
2695 def LDREX : AIldrex<0b00, (outs GPR:$dest), (ins GPR:$ptr), NoItinerary,
2696 "ldrex", "\t$dest, [$ptr]",
2698 def LDREXD : AIldrex<0b01, (outs GPR:$dest, GPR:$dest2), (ins GPR:$ptr),
2700 "ldrexd", "\t$dest, $dest2, [$ptr]",
2704 let mayStore = 1, Constraints = "@earlyclobber $success" in {
2705 def STREXB : AIstrex<0b10, (outs GPR:$success), (ins GPR:$src, GPR:$ptr),
2707 "strexb", "\t$success, $src, [$ptr]",
2709 def STREXH : AIstrex<0b11, (outs GPR:$success), (ins GPR:$src, GPR:$ptr),
2711 "strexh", "\t$success, $src, [$ptr]",
2713 def STREX : AIstrex<0b00, (outs GPR:$success), (ins GPR:$src, GPR:$ptr),
2715 "strex", "\t$success, $src, [$ptr]",
2717 def STREXD : AIstrex<0b01, (outs GPR:$success),
2718 (ins GPR:$src, GPR:$src2, GPR:$ptr),
2720 "strexd", "\t$success, $src, $src2, [$ptr]",
2724 // Clear-Exclusive is for disassembly only.
2725 def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex",
2726 [/* For disassembly only; pattern left blank */]>,
2727 Requires<[IsARM, HasV7]> {
2728 let Inst{31-20} = 0xf57;
2729 let Inst{7-4} = 0b0001;
2732 // SWP/SWPB are deprecated in V6/V7 and for disassembly only.
2733 let mayLoad = 1 in {
2734 def SWP : AI<(outs GPR:$dst), (ins GPR:$src, GPR:$ptr), LdStExFrm, NoItinerary,
2735 "swp", "\t$dst, $src, [$ptr]",
2736 [/* For disassembly only; pattern left blank */]> {
2737 let Inst{27-23} = 0b00010;
2738 let Inst{22} = 0; // B = 0
2739 let Inst{21-20} = 0b00;
2740 let Inst{7-4} = 0b1001;
2743 def SWPB : AI<(outs GPR:$dst), (ins GPR:$src, GPR:$ptr), LdStExFrm, NoItinerary,
2744 "swpb", "\t$dst, $src, [$ptr]",
2745 [/* For disassembly only; pattern left blank */]> {
2746 let Inst{27-23} = 0b00010;
2747 let Inst{22} = 1; // B = 1
2748 let Inst{21-20} = 0b00;
2749 let Inst{7-4} = 0b1001;
2753 //===----------------------------------------------------------------------===//
2757 // __aeabi_read_tp preserves the registers r1-r3.
2759 Defs = [R0, R12, LR, CPSR] in {
2760 def TPsoft : ABXI<0b1011, (outs), (ins), IIC_Br,
2761 "bl\t__aeabi_read_tp",
2762 [(set R0, ARMthread_pointer)]>;
2765 //===----------------------------------------------------------------------===//
2766 // SJLJ Exception handling intrinsics
2767 // eh_sjlj_setjmp() is an instruction sequence to store the return
2768 // address and save #0 in R0 for the non-longjmp case.
2769 // Since by its nature we may be coming from some other function to get
2770 // here, and we're using the stack frame for the containing function to
2771 // save/restore registers, we can't keep anything live in regs across
2772 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
2773 // when we get here from a longjmp(). We force everthing out of registers
2774 // except for our own input by listing the relevant registers in Defs. By
2775 // doing so, we also cause the prologue/epilogue code to actively preserve
2776 // all of the callee-saved resgisters, which is exactly what we want.
2777 // A constant value is passed in $val, and we use the location as a scratch.
2779 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, D0,
2780 D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15,
2781 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26, D27, D28, D29, D30,
2782 D31 ], hasSideEffects = 1, isBarrier = 1 in {
2783 def Int_eh_sjlj_setjmp : XI<(outs), (ins GPR:$src, GPR:$val),
2784 AddrModeNone, SizeSpecial, IndexModeNone,
2785 Pseudo, NoItinerary, "", "",
2786 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
2787 Requires<[IsARM, HasVFP2]>;
2791 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR ],
2792 hasSideEffects = 1, isBarrier = 1 in {
2793 def Int_eh_sjlj_setjmp_nofp : XI<(outs), (ins GPR:$src, GPR:$val),
2794 AddrModeNone, SizeSpecial, IndexModeNone,
2795 Pseudo, NoItinerary, "", "",
2796 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
2797 Requires<[IsARM, NoVFP]>;
2800 // FIXME: Non-Darwin version(s)
2801 let isBarrier = 1, hasSideEffects = 1, isTerminator = 1,
2802 Defs = [ R7, LR, SP ] in {
2803 def Int_eh_sjlj_longjmp : XI<(outs), (ins GPR:$src, GPR:$scratch),
2804 AddrModeNone, SizeSpecial, IndexModeNone,
2805 Pseudo, NoItinerary, "", "",
2806 [(ARMeh_sjlj_longjmp GPR:$src, GPR:$scratch)]>,
2807 Requires<[IsARM, IsDarwin]>;
2810 //===----------------------------------------------------------------------===//
2811 // Non-Instruction Patterns
2814 // Large immediate handling.
2816 // Two piece so_imms.
2817 // FIXME: Expand this in ARMExpandPseudoInsts.
2818 // FIXME: Remove this when we can do generalized remat.
2819 let isReMaterializable = 1 in
2820 def MOVi2pieces : AI1x2<(outs GPR:$dst), (ins so_imm2part:$src),
2821 Pseudo, IIC_iMOVix2,
2822 "mov", "\t$dst, $src",
2823 [(set GPR:$dst, so_imm2part:$src)]>,
2824 Requires<[IsARM, NoV6T2]>;
2826 def : ARMPat<(or GPR:$LHS, so_imm2part:$RHS),
2827 (ORRri (ORRri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
2828 (so_imm2part_2 imm:$RHS))>;
2829 def : ARMPat<(xor GPR:$LHS, so_imm2part:$RHS),
2830 (EORri (EORri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
2831 (so_imm2part_2 imm:$RHS))>;
2832 def : ARMPat<(add GPR:$LHS, so_imm2part:$RHS),
2833 (ADDri (ADDri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
2834 (so_imm2part_2 imm:$RHS))>;
2835 def : ARMPat<(add GPR:$LHS, so_neg_imm2part:$RHS),
2836 (SUBri (SUBri GPR:$LHS, (so_neg_imm2part_1 imm:$RHS)),
2837 (so_neg_imm2part_2 imm:$RHS))>;
2839 // 32-bit immediate using movw + movt.
2840 // This is a single pseudo instruction, the benefit is that it can be remat'd
2841 // as a single unit instead of having to handle reg inputs.
2842 // FIXME: Remove this when we can do generalized remat.
2843 let isReMaterializable = 1 in
2844 def MOVi32imm : PseudoInst<(outs GPR:$dst), (ins i32imm:$src), IIC_iMOVix2, "",
2845 [(set GPR:$dst, (i32 imm:$src))]>,
2846 Requires<[IsARM, HasV6T2]>;
2848 // ConstantPool, GlobalAddress, and JumpTable
2849 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>,
2850 Requires<[IsARM, DontUseMovt]>;
2851 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
2852 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
2853 Requires<[IsARM, UseMovt]>;
2854 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
2855 (LEApcrelJT tjumptable:$dst, imm:$id)>;
2857 // TODO: add,sub,and, 3-instr forms?
2860 def : ARMPat<(ARMtcret tcGPR:$dst),
2861 (TCRETURNri tcGPR:$dst)>, Requires<[IsDarwin]>;
2863 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
2864 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
2866 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
2867 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
2869 def : ARMPat<(ARMtcret tcGPR:$dst),
2870 (TCRETURNriND tcGPR:$dst)>, Requires<[IsNotDarwin]>;
2872 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
2873 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
2875 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
2876 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
2879 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>,
2880 Requires<[IsARM, IsNotDarwin]>;
2881 def : ARMPat<(ARMcall texternalsym:$func), (BLr9 texternalsym:$func)>,
2882 Requires<[IsARM, IsDarwin]>;
2884 // zextload i1 -> zextload i8
2885 def : ARMPat<(zextloadi1 addrmode2:$addr), (LDRB addrmode2:$addr)>;
2887 // extload -> zextload
2888 def : ARMPat<(extloadi1 addrmode2:$addr), (LDRB addrmode2:$addr)>;
2889 def : ARMPat<(extloadi8 addrmode2:$addr), (LDRB addrmode2:$addr)>;
2890 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
2892 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
2893 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
2896 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
2897 (sra (shl GPR:$b, (i32 16)), (i32 16))),
2898 (SMULBB GPR:$a, GPR:$b)>;
2899 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
2900 (SMULBB GPR:$a, GPR:$b)>;
2901 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
2902 (sra GPR:$b, (i32 16))),
2903 (SMULBT GPR:$a, GPR:$b)>;
2904 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
2905 (SMULBT GPR:$a, GPR:$b)>;
2906 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
2907 (sra (shl GPR:$b, (i32 16)), (i32 16))),
2908 (SMULTB GPR:$a, GPR:$b)>;
2909 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
2910 (SMULTB GPR:$a, GPR:$b)>;
2911 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
2913 (SMULWB GPR:$a, GPR:$b)>;
2914 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
2915 (SMULWB GPR:$a, GPR:$b)>;
2917 def : ARMV5TEPat<(add GPR:$acc,
2918 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
2919 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
2920 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
2921 def : ARMV5TEPat<(add GPR:$acc,
2922 (mul sext_16_node:$a, sext_16_node:$b)),
2923 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
2924 def : ARMV5TEPat<(add GPR:$acc,
2925 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
2926 (sra GPR:$b, (i32 16)))),
2927 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
2928 def : ARMV5TEPat<(add GPR:$acc,
2929 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
2930 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
2931 def : ARMV5TEPat<(add GPR:$acc,
2932 (mul (sra GPR:$a, (i32 16)),
2933 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
2934 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
2935 def : ARMV5TEPat<(add GPR:$acc,
2936 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
2937 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
2938 def : ARMV5TEPat<(add GPR:$acc,
2939 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
2941 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
2942 def : ARMV5TEPat<(add GPR:$acc,
2943 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
2944 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
2946 //===----------------------------------------------------------------------===//
2950 include "ARMInstrThumb.td"
2952 //===----------------------------------------------------------------------===//
2956 include "ARMInstrThumb2.td"
2958 //===----------------------------------------------------------------------===//
2959 // Floating Point Support
2962 include "ARMInstrVFP.td"
2964 //===----------------------------------------------------------------------===//
2965 // Advanced SIMD (NEON) Support
2968 include "ARMInstrNEON.td"
2970 //===----------------------------------------------------------------------===//
2971 // Coprocessor Instructions. For disassembly only.
2974 def CDP : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2975 nohash_imm:$CRd, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2976 NoItinerary, "cdp", "\tp$cop, $opc1, cr$CRd, cr$CRn, cr$CRm, $opc2",
2977 [/* For disassembly only; pattern left blank */]> {
2981 def CDP2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2982 nohash_imm:$CRd, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2983 NoItinerary, "cdp2\tp$cop, $opc1, cr$CRd, cr$CRn, cr$CRm, $opc2",
2984 [/* For disassembly only; pattern left blank */]> {
2985 let Inst{31-28} = 0b1111;
2989 class ACI<dag oops, dag iops, string opc, string asm>
2990 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, BrFrm, NoItinerary,
2991 opc, asm, "", [/* For disassembly only; pattern left blank */]> {
2992 let Inst{27-25} = 0b110;
2995 multiclass LdStCop<bits<4> op31_28, bit load, string opc> {
2997 def _OFFSET : ACI<(outs),
2998 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
2999 opc, "\tp$cop, cr$CRd, $addr"> {
3000 let Inst{31-28} = op31_28;
3001 let Inst{24} = 1; // P = 1
3002 let Inst{21} = 0; // W = 0
3003 let Inst{22} = 0; // D = 0
3004 let Inst{20} = load;
3007 def _PRE : ACI<(outs),
3008 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3009 opc, "\tp$cop, cr$CRd, $addr!"> {
3010 let Inst{31-28} = op31_28;
3011 let Inst{24} = 1; // P = 1
3012 let Inst{21} = 1; // W = 1
3013 let Inst{22} = 0; // D = 0
3014 let Inst{20} = load;
3017 def _POST : ACI<(outs),
3018 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
3019 opc, "\tp$cop, cr$CRd, [$base], $offset"> {
3020 let Inst{31-28} = op31_28;
3021 let Inst{24} = 0; // P = 0
3022 let Inst{21} = 1; // W = 1
3023 let Inst{22} = 0; // D = 0
3024 let Inst{20} = load;
3027 def _OPTION : ACI<(outs),
3028 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, i32imm:$option),
3029 opc, "\tp$cop, cr$CRd, [$base], $option"> {
3030 let Inst{31-28} = op31_28;
3031 let Inst{24} = 0; // P = 0
3032 let Inst{23} = 1; // U = 1
3033 let Inst{21} = 0; // W = 0
3034 let Inst{22} = 0; // D = 0
3035 let Inst{20} = load;
3038 def L_OFFSET : ACI<(outs),
3039 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3040 !strconcat(opc, "l"), "\tp$cop, cr$CRd, $addr"> {
3041 let Inst{31-28} = op31_28;
3042 let Inst{24} = 1; // P = 1
3043 let Inst{21} = 0; // W = 0
3044 let Inst{22} = 1; // D = 1
3045 let Inst{20} = load;
3048 def L_PRE : ACI<(outs),
3049 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3050 !strconcat(opc, "l"), "\tp$cop, cr$CRd, $addr!"> {
3051 let Inst{31-28} = op31_28;
3052 let Inst{24} = 1; // P = 1
3053 let Inst{21} = 1; // W = 1
3054 let Inst{22} = 1; // D = 1
3055 let Inst{20} = load;
3058 def L_POST : ACI<(outs),
3059 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
3060 !strconcat(opc, "l"), "\tp$cop, cr$CRd, [$base], $offset"> {
3061 let Inst{31-28} = op31_28;
3062 let Inst{24} = 0; // P = 0
3063 let Inst{21} = 1; // W = 1
3064 let Inst{22} = 1; // D = 1
3065 let Inst{20} = load;
3068 def L_OPTION : ACI<(outs),
3069 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, nohash_imm:$option),
3070 !strconcat(opc, "l"), "\tp$cop, cr$CRd, [$base], $option"> {
3071 let Inst{31-28} = op31_28;
3072 let Inst{24} = 0; // P = 0
3073 let Inst{23} = 1; // U = 1
3074 let Inst{21} = 0; // W = 0
3075 let Inst{22} = 1; // D = 1
3076 let Inst{20} = load;
3080 defm LDC : LdStCop<{?,?,?,?}, 1, "ldc">;
3081 defm LDC2 : LdStCop<0b1111, 1, "ldc2">;
3082 defm STC : LdStCop<{?,?,?,?}, 0, "stc">;
3083 defm STC2 : LdStCop<0b1111, 0, "stc2">;
3085 def MCR : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3086 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3087 NoItinerary, "mcr", "\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3088 [/* For disassembly only; pattern left blank */]> {
3093 def MCR2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3094 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3095 NoItinerary, "mcr2\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3096 [/* For disassembly only; pattern left blank */]> {
3097 let Inst{31-28} = 0b1111;
3102 def MRC : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3103 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3104 NoItinerary, "mrc", "\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3105 [/* For disassembly only; pattern left blank */]> {
3110 def MRC2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3111 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3112 NoItinerary, "mrc2\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3113 [/* For disassembly only; pattern left blank */]> {
3114 let Inst{31-28} = 0b1111;
3119 def MCRR : ABI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3120 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3121 NoItinerary, "mcrr", "\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3122 [/* For disassembly only; pattern left blank */]> {
3123 let Inst{23-20} = 0b0100;
3126 def MCRR2 : ABXI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3127 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3128 NoItinerary, "mcrr2\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3129 [/* For disassembly only; pattern left blank */]> {
3130 let Inst{31-28} = 0b1111;
3131 let Inst{23-20} = 0b0100;
3134 def MRRC : ABI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3135 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3136 NoItinerary, "mrrc", "\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3137 [/* For disassembly only; pattern left blank */]> {
3138 let Inst{23-20} = 0b0101;
3141 def MRRC2 : ABXI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3142 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3143 NoItinerary, "mrrc2\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3144 [/* For disassembly only; pattern left blank */]> {
3145 let Inst{31-28} = 0b1111;
3146 let Inst{23-20} = 0b0101;
3149 //===----------------------------------------------------------------------===//
3150 // Move between special register and ARM core register -- for disassembly only
3153 def MRS : ABI<0b0001,(outs GPR:$dst),(ins), NoItinerary, "mrs", "\t$dst, cpsr",
3154 [/* For disassembly only; pattern left blank */]> {
3155 let Inst{23-20} = 0b0000;
3156 let Inst{7-4} = 0b0000;
3159 def MRSsys : ABI<0b0001,(outs GPR:$dst),(ins), NoItinerary,"mrs","\t$dst, spsr",
3160 [/* For disassembly only; pattern left blank */]> {
3161 let Inst{23-20} = 0b0100;
3162 let Inst{7-4} = 0b0000;
3165 def MSR : ABI<0b0001, (outs), (ins GPR:$src, msr_mask:$mask), NoItinerary,
3166 "msr", "\tcpsr$mask, $src",
3167 [/* For disassembly only; pattern left blank */]> {
3168 let Inst{23-20} = 0b0010;
3169 let Inst{7-4} = 0b0000;
3172 def MSRi : ABI<0b0011, (outs), (ins so_imm:$a, msr_mask:$mask), NoItinerary,
3173 "msr", "\tcpsr$mask, $a",
3174 [/* For disassembly only; pattern left blank */]> {
3175 let Inst{23-20} = 0b0010;
3176 let Inst{7-4} = 0b0000;
3179 def MSRsys : ABI<0b0001, (outs), (ins GPR:$src, msr_mask:$mask), NoItinerary,
3180 "msr", "\tspsr$mask, $src",
3181 [/* For disassembly only; pattern left blank */]> {
3182 let Inst{23-20} = 0b0110;
3183 let Inst{7-4} = 0b0000;
3186 def MSRsysi : ABI<0b0011, (outs), (ins so_imm:$a, msr_mask:$mask), NoItinerary,
3187 "msr", "\tspsr$mask, $a",
3188 [/* For disassembly only; pattern left blank */]> {
3189 let Inst{23-20} = 0b0110;
3190 let Inst{7-4} = 0b0000;