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 let PrintMethod = "printSORegOperand";
317 let MIOperandInfo = (ops GPR, GPR, i32imm);
320 // so_imm - Match a 32-bit shifter_operand immediate operand, which is an
321 // 8-bit immediate rotated by an arbitrary number of bits. so_imm values are
322 // represented in the imm field in the same 12-bit form that they are encoded
323 // into so_imm instructions: the 8-bit immediate is the least significant bits
324 // [bits 0-7], the 4-bit shift amount is the next 4 bits [bits 8-11].
325 def so_imm : Operand<i32>, PatLeaf<(imm), [{ return Pred_so_imm(N); }]> {
326 let PrintMethod = "printSOImmOperand";
329 // Break so_imm's up into two pieces. This handles immediates with up to 16
330 // bits set in them. This uses so_imm2part to match and so_imm2part_[12] to
331 // get the first/second pieces.
332 def so_imm2part : Operand<i32>,
334 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
336 let PrintMethod = "printSOImm2PartOperand";
339 def so_imm2part_1 : SDNodeXForm<imm, [{
340 unsigned V = ARM_AM::getSOImmTwoPartFirst((unsigned)N->getZExtValue());
341 return CurDAG->getTargetConstant(V, MVT::i32);
344 def so_imm2part_2 : SDNodeXForm<imm, [{
345 unsigned V = ARM_AM::getSOImmTwoPartSecond((unsigned)N->getZExtValue());
346 return CurDAG->getTargetConstant(V, MVT::i32);
349 def so_neg_imm2part : Operand<i32>, PatLeaf<(imm), [{
350 return ARM_AM::isSOImmTwoPartVal(-(int)N->getZExtValue());
352 let PrintMethod = "printSOImm2PartOperand";
355 def so_neg_imm2part_1 : SDNodeXForm<imm, [{
356 unsigned V = ARM_AM::getSOImmTwoPartFirst(-(int)N->getZExtValue());
357 return CurDAG->getTargetConstant(V, MVT::i32);
360 def so_neg_imm2part_2 : SDNodeXForm<imm, [{
361 unsigned V = ARM_AM::getSOImmTwoPartSecond(-(int)N->getZExtValue());
362 return CurDAG->getTargetConstant(V, MVT::i32);
365 /// imm0_31 predicate - True if the 32-bit immediate is in the range [0,31].
366 def imm0_31 : Operand<i32>, PatLeaf<(imm), [{
367 return (int32_t)N->getZExtValue() < 32;
370 // Define ARM specific addressing modes.
372 // addrmode2 := reg +/- reg shop imm
373 // addrmode2 := reg +/- imm12
375 def addrmode2 : Operand<i32>,
376 ComplexPattern<i32, 3, "SelectAddrMode2", []> {
377 let PrintMethod = "printAddrMode2Operand";
378 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
381 def am2offset : Operand<i32>,
382 ComplexPattern<i32, 2, "SelectAddrMode2Offset",
383 [], [SDNPWantRoot]> {
384 let PrintMethod = "printAddrMode2OffsetOperand";
385 let MIOperandInfo = (ops GPR, i32imm);
388 // addrmode3 := reg +/- reg
389 // addrmode3 := reg +/- imm8
391 def addrmode3 : Operand<i32>,
392 ComplexPattern<i32, 3, "SelectAddrMode3", []> {
393 let PrintMethod = "printAddrMode3Operand";
394 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
397 def am3offset : Operand<i32>,
398 ComplexPattern<i32, 2, "SelectAddrMode3Offset",
399 [], [SDNPWantRoot]> {
400 let PrintMethod = "printAddrMode3OffsetOperand";
401 let MIOperandInfo = (ops GPR, i32imm);
404 // addrmode4 := reg, <mode|W>
406 def addrmode4 : Operand<i32>,
407 ComplexPattern<i32, 2, "SelectAddrMode4", []> {
408 let PrintMethod = "printAddrMode4Operand";
409 let MIOperandInfo = (ops GPR:$addr, i32imm);
412 // addrmode5 := reg +/- imm8*4
414 def addrmode5 : Operand<i32>,
415 ComplexPattern<i32, 2, "SelectAddrMode5", []> {
416 let PrintMethod = "printAddrMode5Operand";
417 let MIOperandInfo = (ops GPR:$base, i32imm);
420 // addrmode6 := reg with optional writeback
422 def addrmode6 : Operand<i32>,
423 ComplexPattern<i32, 2, "SelectAddrMode6", []> {
424 let PrintMethod = "printAddrMode6Operand";
425 let MIOperandInfo = (ops GPR:$addr, i32imm);
428 def am6offset : Operand<i32> {
429 let PrintMethod = "printAddrMode6OffsetOperand";
430 let MIOperandInfo = (ops GPR);
433 // addrmodepc := pc + reg
435 def addrmodepc : Operand<i32>,
436 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
437 let PrintMethod = "printAddrModePCOperand";
438 let MIOperandInfo = (ops GPR, i32imm);
441 def nohash_imm : Operand<i32> {
442 let PrintMethod = "printNoHashImmediate";
445 //===----------------------------------------------------------------------===//
447 include "ARMInstrFormats.td"
449 //===----------------------------------------------------------------------===//
450 // Multiclass helpers...
453 /// AsI1_bin_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns for a
454 /// binop that produces a value.
455 multiclass AsI1_bin_irs<bits<4> opcod, string opc, PatFrag opnode,
456 bit Commutable = 0> {
457 // The register-immediate version is re-materializable. This is useful
458 // in particular for taking the address of a local.
459 let isReMaterializable = 1 in {
460 def ri : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
461 IIC_iALUi, opc, "\t$dst, $a, $b",
462 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]> {
466 def rr : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
467 IIC_iALUr, opc, "\t$dst, $a, $b",
468 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]> {
469 let Inst{11-4} = 0b00000000;
471 let isCommutable = Commutable;
473 def rs : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
474 IIC_iALUsr, opc, "\t$dst, $a, $b",
475 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]> {
480 /// AI1_bin_s_irs - Similar to AsI1_bin_irs except it sets the 's' bit so the
481 /// instruction modifies the CPSR register.
482 let Defs = [CPSR] in {
483 multiclass AI1_bin_s_irs<bits<4> opcod, string opc, PatFrag opnode,
484 bit Commutable = 0> {
485 def ri : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
486 IIC_iALUi, opc, "\t$dst, $a, $b",
487 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]> {
491 def rr : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
492 IIC_iALUr, opc, "\t$dst, $a, $b",
493 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]> {
494 let isCommutable = Commutable;
495 let Inst{11-4} = 0b00000000;
499 def rs : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
500 IIC_iALUsr, opc, "\t$dst, $a, $b",
501 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]> {
508 /// AI1_cmp_irs - Defines a set of (op r, {so_imm|r|so_reg}) cmp / test
509 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
510 /// a explicit result, only implicitly set CPSR.
511 let isCompare = 1, Defs = [CPSR] in {
512 multiclass AI1_cmp_irs<bits<4> opcod, string opc, PatFrag opnode,
513 bit Commutable = 0> {
514 def ri : AI1<opcod, (outs), (ins GPR:$a, so_imm:$b), DPFrm, IIC_iCMPi,
516 [(opnode GPR:$a, so_imm:$b)]> {
520 def rr : AI1<opcod, (outs), (ins GPR:$a, GPR:$b), DPFrm, IIC_iCMPr,
522 [(opnode GPR:$a, GPR:$b)]> {
523 let Inst{11-4} = 0b00000000;
526 let isCommutable = Commutable;
528 def rs : AI1<opcod, (outs), (ins GPR:$a, so_reg:$b), DPSoRegFrm, IIC_iCMPsr,
530 [(opnode GPR:$a, so_reg:$b)]> {
537 /// AI_unary_rrot - A unary operation with two forms: one whose operand is a
538 /// register and one whose operand is a register rotated by 8/16/24.
539 /// FIXME: Remove the 'r' variant. Its rot_imm is zero.
540 multiclass AI_unary_rrot<bits<8> opcod, string opc, PatFrag opnode> {
541 def r : AExtI<opcod, (outs GPR:$dst), (ins GPR:$src),
542 IIC_iUNAr, opc, "\t$dst, $src",
543 [(set GPR:$dst, (opnode GPR:$src))]>,
544 Requires<[IsARM, HasV6]> {
545 let Inst{11-10} = 0b00;
546 let Inst{19-16} = 0b1111;
548 def r_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$src, i32imm:$rot),
549 IIC_iUNAsi, opc, "\t$dst, $src, ror $rot",
550 [(set GPR:$dst, (opnode (rotr GPR:$src, rot_imm:$rot)))]>,
551 Requires<[IsARM, HasV6]> {
552 let Inst{19-16} = 0b1111;
556 multiclass AI_unary_rrot_np<bits<8> opcod, string opc> {
557 def r : AExtI<opcod, (outs GPR:$dst), (ins GPR:$src),
558 IIC_iUNAr, opc, "\t$dst, $src",
559 [/* For disassembly only; pattern left blank */]>,
560 Requires<[IsARM, HasV6]> {
561 let Inst{11-10} = 0b00;
562 let Inst{19-16} = 0b1111;
564 def r_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$src, i32imm:$rot),
565 IIC_iUNAsi, opc, "\t$dst, $src, ror $rot",
566 [/* For disassembly only; pattern left blank */]>,
567 Requires<[IsARM, HasV6]> {
568 let Inst{19-16} = 0b1111;
572 /// AI_bin_rrot - A binary operation with two forms: one whose operand is a
573 /// register and one whose operand is a register rotated by 8/16/24.
574 multiclass AI_bin_rrot<bits<8> opcod, string opc, PatFrag opnode> {
575 def rr : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS),
576 IIC_iALUr, opc, "\t$dst, $LHS, $RHS",
577 [(set GPR:$dst, (opnode GPR:$LHS, GPR:$RHS))]>,
578 Requires<[IsARM, HasV6]> {
579 let Inst{11-10} = 0b00;
581 def rr_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS,
583 IIC_iALUsi, opc, "\t$dst, $LHS, $RHS, ror $rot",
584 [(set GPR:$dst, (opnode GPR:$LHS,
585 (rotr GPR:$RHS, rot_imm:$rot)))]>,
586 Requires<[IsARM, HasV6]>;
589 // For disassembly only.
590 multiclass AI_bin_rrot_np<bits<8> opcod, string opc> {
591 def rr : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS),
592 IIC_iALUr, opc, "\t$dst, $LHS, $RHS",
593 [/* For disassembly only; pattern left blank */]>,
594 Requires<[IsARM, HasV6]> {
595 let Inst{11-10} = 0b00;
597 def rr_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS,
599 IIC_iALUsi, opc, "\t$dst, $LHS, $RHS, ror $rot",
600 [/* For disassembly only; pattern left blank */]>,
601 Requires<[IsARM, HasV6]>;
604 /// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
605 let Uses = [CPSR] in {
606 multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode,
607 bit Commutable = 0> {
608 def ri : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
609 DPFrm, IIC_iALUi, opc, "\t$dst, $a, $b",
610 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]>,
614 def rr : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
615 DPFrm, IIC_iALUr, opc, "\t$dst, $a, $b",
616 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]>,
618 let isCommutable = Commutable;
619 let Inst{11-4} = 0b00000000;
622 def rs : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
623 DPSoRegFrm, IIC_iALUsr, opc, "\t$dst, $a, $b",
624 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]>,
629 // Carry setting variants
630 let Defs = [CPSR] in {
631 multiclass AI1_adde_sube_s_irs<bits<4> opcod, string opc, PatFrag opnode,
632 bit Commutable = 0> {
633 def Sri : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
634 DPFrm, IIC_iALUi, !strconcat(opc, "\t$dst, $a, $b"),
635 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]>,
640 def Srr : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
641 DPFrm, IIC_iALUr, !strconcat(opc, "\t$dst, $a, $b"),
642 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]>,
644 let Inst{11-4} = 0b00000000;
648 def Srs : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
649 DPSoRegFrm, IIC_iALUsr, !strconcat(opc, "\t$dst, $a, $b"),
650 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]>,
659 //===----------------------------------------------------------------------===//
661 //===----------------------------------------------------------------------===//
663 //===----------------------------------------------------------------------===//
664 // Miscellaneous Instructions.
667 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
668 /// the function. The first operand is the ID# for this instruction, the second
669 /// is the index into the MachineConstantPool that this is, the third is the
670 /// size in bytes of this constant pool entry.
671 let neverHasSideEffects = 1, isNotDuplicable = 1 in
672 def CONSTPOOL_ENTRY :
673 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
674 i32imm:$size), NoItinerary,
675 "${instid:label} ${cpidx:cpentry}", []>;
677 // FIXME: Marking these as hasSideEffects is necessary to prevent machine DCE
678 // from removing one half of the matched pairs. That breaks PEI, which assumes
679 // these will always be in pairs, and asserts if it finds otherwise. Better way?
680 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
682 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary,
683 "${:comment} ADJCALLSTACKUP $amt1",
684 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
686 def ADJCALLSTACKDOWN :
687 PseudoInst<(outs), (ins i32imm:$amt, pred:$p), NoItinerary,
688 "${:comment} ADJCALLSTACKDOWN $amt",
689 [(ARMcallseq_start timm:$amt)]>;
692 def NOP : AI<(outs), (ins), MiscFrm, NoItinerary, "nop", "",
693 [/* For disassembly only; pattern left blank */]>,
694 Requires<[IsARM, HasV6T2]> {
695 let Inst{27-16} = 0b001100100000;
696 let Inst{7-0} = 0b00000000;
699 def YIELD : AI<(outs), (ins), MiscFrm, NoItinerary, "yield", "",
700 [/* For disassembly only; pattern left blank */]>,
701 Requires<[IsARM, HasV6T2]> {
702 let Inst{27-16} = 0b001100100000;
703 let Inst{7-0} = 0b00000001;
706 def WFE : AI<(outs), (ins), MiscFrm, NoItinerary, "wfe", "",
707 [/* For disassembly only; pattern left blank */]>,
708 Requires<[IsARM, HasV6T2]> {
709 let Inst{27-16} = 0b001100100000;
710 let Inst{7-0} = 0b00000010;
713 def WFI : AI<(outs), (ins), MiscFrm, NoItinerary, "wfi", "",
714 [/* For disassembly only; pattern left blank */]>,
715 Requires<[IsARM, HasV6T2]> {
716 let Inst{27-16} = 0b001100100000;
717 let Inst{7-0} = 0b00000011;
720 def SEL : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm, NoItinerary, "sel",
722 [/* For disassembly only; pattern left blank */]>,
723 Requires<[IsARM, HasV6]> {
724 let Inst{27-20} = 0b01101000;
725 let Inst{7-4} = 0b1011;
728 def SEV : AI<(outs), (ins), MiscFrm, NoItinerary, "sev", "",
729 [/* For disassembly only; pattern left blank */]>,
730 Requires<[IsARM, HasV6T2]> {
731 let Inst{27-16} = 0b001100100000;
732 let Inst{7-0} = 0b00000100;
735 // The i32imm operand $val can be used by a debugger to store more information
736 // about the breakpoint.
737 def BKPT : AI<(outs), (ins i32imm:$val), MiscFrm, NoItinerary, "bkpt", "\t$val",
738 [/* For disassembly only; pattern left blank */]>,
740 let Inst{27-20} = 0b00010010;
741 let Inst{7-4} = 0b0111;
744 // Change Processor State is a system instruction -- for disassembly only.
745 // The singleton $opt operand contains the following information:
746 // opt{4-0} = mode from Inst{4-0}
747 // opt{5} = changemode from Inst{17}
748 // opt{8-6} = AIF from Inst{8-6}
749 // opt{10-9} = imod from Inst{19-18} with 0b10 as enable and 0b11 as disable
750 def CPS : AXI<(outs), (ins cps_opt:$opt), MiscFrm, NoItinerary, "cps$opt",
751 [/* For disassembly only; pattern left blank */]>,
753 let Inst{31-28} = 0b1111;
754 let Inst{27-20} = 0b00010000;
759 // Preload signals the memory system of possible future data/instruction access.
760 // These are for disassembly only.
762 // A8.6.117, A8.6.118. Different instructions are generated for #0 and #-0.
763 // The neg_zero operand translates -0 to -1, -1 to -2, ..., etc.
764 multiclass APreLoad<bit data, bit read, string opc> {
766 def i : AXI<(outs), (ins GPR:$base, neg_zero:$imm), MiscFrm, NoItinerary,
767 !strconcat(opc, "\t[$base, $imm]"), []> {
768 let Inst{31-26} = 0b111101;
769 let Inst{25} = 0; // 0 for immediate form
772 let Inst{21-20} = 0b01;
775 def r : AXI<(outs), (ins addrmode2:$addr), MiscFrm, NoItinerary,
776 !strconcat(opc, "\t$addr"), []> {
777 let Inst{31-26} = 0b111101;
778 let Inst{25} = 1; // 1 for register form
781 let Inst{21-20} = 0b01;
786 defm PLD : APreLoad<1, 1, "pld">;
787 defm PLDW : APreLoad<1, 0, "pldw">;
788 defm PLI : APreLoad<0, 1, "pli">;
790 def SETENDBE : AXI<(outs),(ins), MiscFrm, NoItinerary, "setend\tbe",
791 [/* For disassembly only; pattern left blank */]>,
793 let Inst{31-28} = 0b1111;
794 let Inst{27-20} = 0b00010000;
797 let Inst{7-4} = 0b0000;
800 def SETENDLE : AXI<(outs),(ins), MiscFrm, NoItinerary, "setend\tle",
801 [/* For disassembly only; pattern left blank */]>,
803 let Inst{31-28} = 0b1111;
804 let Inst{27-20} = 0b00010000;
807 let Inst{7-4} = 0b0000;
810 def DBG : AI<(outs), (ins i32imm:$opt), MiscFrm, NoItinerary, "dbg", "\t$opt",
811 [/* For disassembly only; pattern left blank */]>,
812 Requires<[IsARM, HasV7]> {
813 let Inst{27-16} = 0b001100100000;
814 let Inst{7-4} = 0b1111;
817 // A5.4 Permanently UNDEFINED instructions.
818 // FIXME: Temporary emitted as raw bytes until this pseudo-op will be added to
820 let isBarrier = 1, isTerminator = 1 in
821 def TRAP : AXI<(outs), (ins), MiscFrm, NoItinerary,
822 ".long 0xe7ffdefe ${:comment} trap", [(trap)]>,
824 let Inst{27-25} = 0b011;
825 let Inst{24-20} = 0b11111;
826 let Inst{7-5} = 0b111;
830 // Address computation and loads and stores in PIC mode.
831 let isNotDuplicable = 1 in {
832 def PICADD : AXI1<0b0100, (outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
833 Pseudo, IIC_iALUr, "\n$cp:\n\tadd$p\t$dst, pc, $a",
834 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
836 let AddedComplexity = 10 in {
837 def PICLDR : AXI2ldw<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
838 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldr$p\t$dst, $addr",
839 [(set GPR:$dst, (load addrmodepc:$addr))]>;
841 def PICLDRH : AXI3ldh<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
842 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldrh${p}\t$dst, $addr",
843 [(set GPR:$dst, (zextloadi16 addrmodepc:$addr))]>;
845 def PICLDRB : AXI2ldb<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
846 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldrb${p}\t$dst, $addr",
847 [(set GPR:$dst, (zextloadi8 addrmodepc:$addr))]>;
849 def PICLDRSH : AXI3ldsh<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
850 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldrsh${p}\t$dst, $addr",
851 [(set GPR:$dst, (sextloadi16 addrmodepc:$addr))]>;
853 def PICLDRSB : AXI3ldsb<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
854 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldrsb${p}\t$dst, $addr",
855 [(set GPR:$dst, (sextloadi8 addrmodepc:$addr))]>;
857 let AddedComplexity = 10 in {
858 def PICSTR : AXI2stw<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
859 Pseudo, IIC_iStorer, "\n${addr:label}:\n\tstr$p\t$src, $addr",
860 [(store GPR:$src, addrmodepc:$addr)]>;
862 def PICSTRH : AXI3sth<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
863 Pseudo, IIC_iStorer, "\n${addr:label}:\n\tstrh${p}\t$src, $addr",
864 [(truncstorei16 GPR:$src, addrmodepc:$addr)]>;
866 def PICSTRB : AXI2stb<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
867 Pseudo, IIC_iStorer, "\n${addr:label}:\n\tstrb${p}\t$src, $addr",
868 [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
870 } // isNotDuplicable = 1
873 // LEApcrel - Load a pc-relative address into a register without offending the
875 let neverHasSideEffects = 1 in {
876 let isReMaterializable = 1 in
877 def LEApcrel : AXI1<0x0, (outs GPR:$dst), (ins i32imm:$label, pred:$p),
879 "adr$p\t$dst, #$label", []>;
881 } // neverHasSideEffects
882 def LEApcrelJT : AXI1<0x0, (outs GPR:$dst),
883 (ins i32imm:$label, nohash_imm:$id, pred:$p),
885 "adr$p\t$dst, #${label}_${id}", []> {
889 //===----------------------------------------------------------------------===//
890 // Control Flow Instructions.
893 let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
895 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
896 "bx", "\tlr", [(ARMretflag)]>,
897 Requires<[IsARM, HasV4T]> {
898 let Inst{3-0} = 0b1110;
899 let Inst{7-4} = 0b0001;
900 let Inst{19-8} = 0b111111111111;
901 let Inst{27-20} = 0b00010010;
905 def MOVPCLR : AI<(outs), (ins), BrMiscFrm, IIC_Br,
906 "mov", "\tpc, lr", [(ARMretflag)]>,
907 Requires<[IsARM, NoV4T]> {
908 let Inst{11-0} = 0b000000001110;
909 let Inst{15-12} = 0b1111;
910 let Inst{19-16} = 0b0000;
911 let Inst{27-20} = 0b00011010;
916 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
918 def BRIND : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
920 Requires<[IsARM, HasV4T]> {
921 let Inst{7-4} = 0b0001;
922 let Inst{19-8} = 0b111111111111;
923 let Inst{27-20} = 0b00010010;
924 let Inst{31-28} = 0b1110;
928 def MOVPCRX : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "mov\tpc, $dst",
930 Requires<[IsARM, NoV4T]> {
931 let Inst{11-4} = 0b00000000;
932 let Inst{15-12} = 0b1111;
933 let Inst{19-16} = 0b0000;
934 let Inst{27-20} = 0b00011010;
935 let Inst{31-28} = 0b1110;
939 // FIXME: remove when we have a way to marking a MI with these properties.
940 // FIXME: Should pc be an implicit operand like PICADD, etc?
941 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
942 hasExtraDefRegAllocReq = 1 in
943 def LDM_RET : AXI4ld<(outs GPR:$wb), (ins addrmode4:$addr, pred:$p,
944 reglist:$dsts, variable_ops),
945 IndexModeUpd, LdStMulFrm, IIC_iLoadmBr,
946 "ldm${addr:submode}${p}\t$addr!, $dsts",
947 "$addr.addr = $wb", []>;
949 // On non-Darwin platforms R9 is callee-saved.
951 Defs = [R0, R1, R2, R3, R12, LR,
952 D0, D1, D2, D3, D4, D5, D6, D7,
953 D16, D17, D18, D19, D20, D21, D22, D23,
954 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR] in {
955 def BL : ABXI<0b1011, (outs), (ins i32imm:$func, variable_ops),
956 IIC_Br, "bl\t${func:call}",
957 [(ARMcall tglobaladdr:$func)]>,
958 Requires<[IsARM, IsNotDarwin]> {
959 let Inst{31-28} = 0b1110;
962 def BL_pred : ABI<0b1011, (outs), (ins i32imm:$func, variable_ops),
963 IIC_Br, "bl", "\t${func:call}",
964 [(ARMcall_pred tglobaladdr:$func)]>,
965 Requires<[IsARM, IsNotDarwin]>;
968 def BLX : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
969 IIC_Br, "blx\t$func",
970 [(ARMcall GPR:$func)]>,
971 Requires<[IsARM, HasV5T, IsNotDarwin]> {
972 let Inst{7-4} = 0b0011;
973 let Inst{19-8} = 0b111111111111;
974 let Inst{27-20} = 0b00010010;
978 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
979 def BX : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
980 IIC_Br, "mov\tlr, pc\n\tbx\t$func",
981 [(ARMcall_nolink tGPR:$func)]>,
982 Requires<[IsARM, HasV4T, IsNotDarwin]> {
983 let Inst{7-4} = 0b0001;
984 let Inst{19-8} = 0b111111111111;
985 let Inst{27-20} = 0b00010010;
989 def BMOVPCRX : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
990 IIC_Br, "mov\tlr, pc\n\tmov\tpc, $func",
991 [(ARMcall_nolink tGPR:$func)]>,
992 Requires<[IsARM, NoV4T, IsNotDarwin]> {
993 let Inst{11-4} = 0b00000000;
994 let Inst{15-12} = 0b1111;
995 let Inst{19-16} = 0b0000;
996 let Inst{27-20} = 0b00011010;
1000 // On Darwin R9 is call-clobbered.
1002 Defs = [R0, R1, R2, R3, R9, R12, LR,
1003 D0, D1, D2, D3, D4, D5, D6, D7,
1004 D16, D17, D18, D19, D20, D21, D22, D23,
1005 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR] in {
1006 def BLr9 : ABXI<0b1011, (outs), (ins i32imm:$func, variable_ops),
1007 IIC_Br, "bl\t${func:call}",
1008 [(ARMcall tglobaladdr:$func)]>, Requires<[IsARM, IsDarwin]> {
1009 let Inst{31-28} = 0b1110;
1012 def BLr9_pred : ABI<0b1011, (outs), (ins i32imm:$func, variable_ops),
1013 IIC_Br, "bl", "\t${func:call}",
1014 [(ARMcall_pred tglobaladdr:$func)]>,
1015 Requires<[IsARM, IsDarwin]>;
1018 def BLXr9 : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1019 IIC_Br, "blx\t$func",
1020 [(ARMcall GPR:$func)]>, Requires<[IsARM, HasV5T, IsDarwin]> {
1021 let Inst{7-4} = 0b0011;
1022 let Inst{19-8} = 0b111111111111;
1023 let Inst{27-20} = 0b00010010;
1027 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1028 def BXr9 : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1029 IIC_Br, "mov\tlr, pc\n\tbx\t$func",
1030 [(ARMcall_nolink tGPR:$func)]>,
1031 Requires<[IsARM, HasV4T, IsDarwin]> {
1032 let Inst{7-4} = 0b0001;
1033 let Inst{19-8} = 0b111111111111;
1034 let Inst{27-20} = 0b00010010;
1038 def BMOVPCRXr9 : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1039 IIC_Br, "mov\tlr, pc\n\tmov\tpc, $func",
1040 [(ARMcall_nolink tGPR:$func)]>,
1041 Requires<[IsARM, NoV4T, IsDarwin]> {
1042 let Inst{11-4} = 0b00000000;
1043 let Inst{15-12} = 0b1111;
1044 let Inst{19-16} = 0b0000;
1045 let Inst{27-20} = 0b00011010;
1051 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in {
1053 let Defs = [R0, R1, R2, R3, R9, R12,
1054 D0, D1, D2, D3, D4, D5, D6, D7,
1055 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26,
1056 D27, D28, D29, D30, D31, PC],
1058 def TCRETURNdi : AInoP<(outs), (ins i32imm:$dst, variable_ops),
1060 "@TC_RETURN","\t$dst", []>, Requires<[IsDarwin]>;
1062 def TCRETURNri : AInoP<(outs), (ins tcGPR:$dst, variable_ops),
1064 "@TC_RETURN","\t$dst", []>, Requires<[IsDarwin]>;
1066 def TAILJMPd : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1067 IIC_Br, "b\t$dst @ TAILCALL",
1068 []>, Requires<[IsDarwin]>;
1070 def TAILJMPdt: ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1071 IIC_Br, "b.w\t$dst @ TAILCALL",
1072 []>, Requires<[IsDarwin]>;
1074 def TAILJMPr : AXI<(outs), (ins tcGPR:$dst, variable_ops),
1075 BrMiscFrm, IIC_Br, "bx\t$dst @ TAILCALL",
1076 []>, Requires<[IsDarwin]> {
1077 let Inst{7-4} = 0b0001;
1078 let Inst{19-8} = 0b111111111111;
1079 let Inst{27-20} = 0b00010010;
1080 let Inst{31-28} = 0b1110;
1084 // Non-Darwin versions (the difference is R9).
1085 let Defs = [R0, R1, R2, R3, R12,
1086 D0, D1, D2, D3, D4, D5, D6, D7,
1087 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26,
1088 D27, D28, D29, D30, D31, PC],
1090 def TCRETURNdiND : AInoP<(outs), (ins i32imm:$dst, variable_ops),
1092 "@TC_RETURN","\t$dst", []>, Requires<[IsNotDarwin]>;
1094 def TCRETURNriND : AInoP<(outs), (ins tcGPR:$dst, variable_ops),
1096 "@TC_RETURN","\t$dst", []>, Requires<[IsNotDarwin]>;
1098 def TAILJMPdND : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1099 IIC_Br, "b\t$dst @ TAILCALL",
1100 []>, Requires<[IsARM, IsNotDarwin]>;
1102 def TAILJMPdNDt : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1103 IIC_Br, "b.w\t$dst @ TAILCALL",
1104 []>, Requires<[IsThumb, IsNotDarwin]>;
1106 def TAILJMPrND : AXI<(outs), (ins tcGPR:$dst, variable_ops),
1107 BrMiscFrm, IIC_Br, "bx\t$dst @ TAILCALL",
1108 []>, Requires<[IsNotDarwin]> {
1109 let Inst{7-4} = 0b0001;
1110 let Inst{19-8} = 0b111111111111;
1111 let Inst{27-20} = 0b00010010;
1112 let Inst{31-28} = 0b1110;
1117 let isBranch = 1, isTerminator = 1 in {
1118 // B is "predicable" since it can be xformed into a Bcc.
1119 let isBarrier = 1 in {
1120 let isPredicable = 1 in
1121 def B : ABXI<0b1010, (outs), (ins brtarget:$target), IIC_Br,
1122 "b\t$target", [(br bb:$target)]>;
1124 let isNotDuplicable = 1, isIndirectBranch = 1 in {
1125 def BR_JTr : JTI<(outs), (ins GPR:$target, jtblock_operand:$jt, i32imm:$id),
1126 IIC_Br, "mov\tpc, $target$jt",
1127 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]> {
1128 let Inst{11-4} = 0b00000000;
1129 let Inst{15-12} = 0b1111;
1130 let Inst{20} = 0; // S Bit
1131 let Inst{24-21} = 0b1101;
1132 let Inst{27-25} = 0b000;
1134 def BR_JTm : JTI<(outs),
1135 (ins addrmode2:$target, jtblock_operand:$jt, i32imm:$id),
1136 IIC_Br, "ldr\tpc, $target$jt",
1137 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
1139 let Inst{15-12} = 0b1111;
1140 let Inst{20} = 1; // L bit
1141 let Inst{21} = 0; // W bit
1142 let Inst{22} = 0; // B bit
1143 let Inst{24} = 1; // P bit
1144 let Inst{27-25} = 0b011;
1146 def BR_JTadd : JTI<(outs),
1147 (ins GPR:$target, GPR:$idx, jtblock_operand:$jt, i32imm:$id),
1148 IIC_Br, "add\tpc, $target, $idx$jt",
1149 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
1151 let Inst{15-12} = 0b1111;
1152 let Inst{20} = 0; // S bit
1153 let Inst{24-21} = 0b0100;
1154 let Inst{27-25} = 0b000;
1156 } // isNotDuplicable = 1, isIndirectBranch = 1
1159 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
1160 // a two-value operand where a dag node expects two operands. :(
1161 def Bcc : ABI<0b1010, (outs), (ins brtarget:$target),
1162 IIC_Br, "b", "\t$target",
1163 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]>;
1166 // Branch and Exchange Jazelle -- for disassembly only
1167 def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
1168 [/* For disassembly only; pattern left blank */]> {
1169 let Inst{23-20} = 0b0010;
1170 //let Inst{19-8} = 0xfff;
1171 let Inst{7-4} = 0b0010;
1174 // Secure Monitor Call is a system instruction -- for disassembly only
1175 def SMC : ABI<0b0001, (outs), (ins i32imm:$opt), NoItinerary, "smc", "\t$opt",
1176 [/* For disassembly only; pattern left blank */]> {
1177 let Inst{23-20} = 0b0110;
1178 let Inst{7-4} = 0b0111;
1181 // Supervisor Call (Software Interrupt) -- for disassembly only
1183 def SVC : ABI<0b1111, (outs), (ins i32imm:$svc), IIC_Br, "svc", "\t$svc",
1184 [/* For disassembly only; pattern left blank */]>;
1187 // Store Return State is a system instruction -- for disassembly only
1188 def SRSW : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, i32imm:$mode),
1189 NoItinerary, "srs${addr:submode}\tsp!, $mode",
1190 [/* For disassembly only; pattern left blank */]> {
1191 let Inst{31-28} = 0b1111;
1192 let Inst{22-20} = 0b110; // W = 1
1195 def SRS : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, i32imm:$mode),
1196 NoItinerary, "srs${addr:submode}\tsp, $mode",
1197 [/* For disassembly only; pattern left blank */]> {
1198 let Inst{31-28} = 0b1111;
1199 let Inst{22-20} = 0b100; // W = 0
1202 // Return From Exception is a system instruction -- for disassembly only
1203 def RFEW : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, GPR:$base),
1204 NoItinerary, "rfe${addr:submode}\t$base!",
1205 [/* For disassembly only; pattern left blank */]> {
1206 let Inst{31-28} = 0b1111;
1207 let Inst{22-20} = 0b011; // W = 1
1210 def RFE : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, GPR:$base),
1211 NoItinerary, "rfe${addr:submode}\t$base",
1212 [/* For disassembly only; pattern left blank */]> {
1213 let Inst{31-28} = 0b1111;
1214 let Inst{22-20} = 0b001; // W = 0
1217 //===----------------------------------------------------------------------===//
1218 // Load / store Instructions.
1222 let canFoldAsLoad = 1, isReMaterializable = 1 in
1223 def LDR : AI2ldw<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm, IIC_iLoadr,
1224 "ldr", "\t$dst, $addr",
1225 [(set GPR:$dst, (load addrmode2:$addr))]>;
1227 // Special LDR for loads from non-pc-relative constpools.
1228 let canFoldAsLoad = 1, mayLoad = 1, neverHasSideEffects = 1,
1229 isReMaterializable = 1 in
1230 def LDRcp : AI2ldw<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm, IIC_iLoadr,
1231 "ldr", "\t$dst, $addr", []>;
1233 // Loads with zero extension
1234 def LDRH : AI3ldh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
1235 IIC_iLoadr, "ldrh", "\t$dst, $addr",
1236 [(set GPR:$dst, (zextloadi16 addrmode3:$addr))]>;
1238 def LDRB : AI2ldb<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm,
1239 IIC_iLoadr, "ldrb", "\t$dst, $addr",
1240 [(set GPR:$dst, (zextloadi8 addrmode2:$addr))]>;
1242 // Loads with sign extension
1243 def LDRSH : AI3ldsh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
1244 IIC_iLoadr, "ldrsh", "\t$dst, $addr",
1245 [(set GPR:$dst, (sextloadi16 addrmode3:$addr))]>;
1247 def LDRSB : AI3ldsb<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
1248 IIC_iLoadr, "ldrsb", "\t$dst, $addr",
1249 [(set GPR:$dst, (sextloadi8 addrmode3:$addr))]>;
1251 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1 in {
1253 def LDRD : AI3ldd<(outs GPR:$dst1, GPR:$dst2), (ins addrmode3:$addr), LdMiscFrm,
1254 IIC_iLoadr, "ldrd", "\t$dst1, $addr",
1255 []>, Requires<[IsARM, HasV5TE]>;
1258 def LDR_PRE : AI2ldwpr<(outs GPR:$dst, GPR:$base_wb),
1259 (ins addrmode2:$addr), LdFrm, IIC_iLoadru,
1260 "ldr", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1262 def LDR_POST : AI2ldwpo<(outs GPR:$dst, GPR:$base_wb),
1263 (ins GPR:$base, am2offset:$offset), LdFrm, IIC_iLoadru,
1264 "ldr", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1266 def LDRH_PRE : AI3ldhpr<(outs GPR:$dst, GPR:$base_wb),
1267 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadru,
1268 "ldrh", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1270 def LDRH_POST : AI3ldhpo<(outs GPR:$dst, GPR:$base_wb),
1271 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1272 "ldrh", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1274 def LDRB_PRE : AI2ldbpr<(outs GPR:$dst, GPR:$base_wb),
1275 (ins addrmode2:$addr), LdFrm, IIC_iLoadru,
1276 "ldrb", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1278 def LDRB_POST : AI2ldbpo<(outs GPR:$dst, GPR:$base_wb),
1279 (ins GPR:$base,am2offset:$offset), LdFrm, IIC_iLoadru,
1280 "ldrb", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1282 def LDRSH_PRE : AI3ldshpr<(outs GPR:$dst, GPR:$base_wb),
1283 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadru,
1284 "ldrsh", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1286 def LDRSH_POST: AI3ldshpo<(outs GPR:$dst, GPR:$base_wb),
1287 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1288 "ldrsh", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1290 def LDRSB_PRE : AI3ldsbpr<(outs GPR:$dst, GPR:$base_wb),
1291 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadru,
1292 "ldrsb", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1294 def LDRSB_POST: AI3ldsbpo<(outs GPR:$dst, GPR:$base_wb),
1295 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1296 "ldrsb", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1298 // For disassembly only
1299 def LDRD_PRE : AI3lddpr<(outs GPR:$dst1, GPR:$dst2, GPR:$base_wb),
1300 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadr,
1301 "ldrd", "\t$dst1, $dst2, $addr!", "$addr.base = $base_wb", []>,
1302 Requires<[IsARM, HasV5TE]>;
1304 // For disassembly only
1305 def LDRD_POST : AI3lddpo<(outs GPR:$dst1, GPR:$dst2, GPR:$base_wb),
1306 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadr,
1307 "ldrd", "\t$dst1, $dst2, [$base], $offset", "$base = $base_wb", []>,
1308 Requires<[IsARM, HasV5TE]>;
1310 } // mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1
1312 // LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT are for disassembly only.
1314 def LDRT : AI2ldwpo<(outs GPR:$dst, GPR:$base_wb),
1315 (ins GPR:$base, am2offset:$offset), LdFrm, IIC_iLoadru,
1316 "ldrt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1317 let Inst{21} = 1; // overwrite
1320 def LDRBT : AI2ldbpo<(outs GPR:$dst, GPR:$base_wb),
1321 (ins GPR:$base,am2offset:$offset), LdFrm, IIC_iLoadru,
1322 "ldrbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1323 let Inst{21} = 1; // overwrite
1326 def LDRSBT : AI3ldsbpo<(outs GPR:$dst, GPR:$base_wb),
1327 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1328 "ldrsbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1329 let Inst{21} = 1; // overwrite
1332 def LDRHT : AI3ldhpo<(outs GPR:$dst, GPR:$base_wb),
1333 (ins GPR:$base, am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1334 "ldrht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1335 let Inst{21} = 1; // overwrite
1338 def LDRSHT : AI3ldshpo<(outs GPR:$dst, GPR:$base_wb),
1339 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1340 "ldrsht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1341 let Inst{21} = 1; // overwrite
1345 def STR : AI2stw<(outs), (ins GPR:$src, addrmode2:$addr), StFrm, IIC_iStorer,
1346 "str", "\t$src, $addr",
1347 [(store GPR:$src, addrmode2:$addr)]>;
1349 // Stores with truncate
1350 def STRH : AI3sth<(outs), (ins GPR:$src, addrmode3:$addr), StMiscFrm,
1351 IIC_iStorer, "strh", "\t$src, $addr",
1352 [(truncstorei16 GPR:$src, addrmode3:$addr)]>;
1354 def STRB : AI2stb<(outs), (ins GPR:$src, addrmode2:$addr), StFrm, IIC_iStorer,
1355 "strb", "\t$src, $addr",
1356 [(truncstorei8 GPR:$src, addrmode2:$addr)]>;
1359 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in
1360 def STRD : AI3std<(outs), (ins GPR:$src1, GPR:$src2, addrmode3:$addr),
1361 StMiscFrm, IIC_iStorer,
1362 "strd", "\t$src1, $addr", []>, Requires<[IsARM, HasV5TE]>;
1365 def STR_PRE : AI2stwpr<(outs GPR:$base_wb),
1366 (ins GPR:$src, GPR:$base, am2offset:$offset),
1367 StFrm, IIC_iStoreru,
1368 "str", "\t$src, [$base, $offset]!", "$base = $base_wb",
1370 (pre_store GPR:$src, GPR:$base, am2offset:$offset))]>;
1372 def STR_POST : AI2stwpo<(outs GPR:$base_wb),
1373 (ins GPR:$src, GPR:$base,am2offset:$offset),
1374 StFrm, IIC_iStoreru,
1375 "str", "\t$src, [$base], $offset", "$base = $base_wb",
1377 (post_store GPR:$src, GPR:$base, am2offset:$offset))]>;
1379 def STRH_PRE : AI3sthpr<(outs GPR:$base_wb),
1380 (ins GPR:$src, GPR:$base,am3offset:$offset),
1381 StMiscFrm, IIC_iStoreru,
1382 "strh", "\t$src, [$base, $offset]!", "$base = $base_wb",
1384 (pre_truncsti16 GPR:$src, GPR:$base,am3offset:$offset))]>;
1386 def STRH_POST: AI3sthpo<(outs GPR:$base_wb),
1387 (ins GPR:$src, GPR:$base,am3offset:$offset),
1388 StMiscFrm, IIC_iStoreru,
1389 "strh", "\t$src, [$base], $offset", "$base = $base_wb",
1390 [(set GPR:$base_wb, (post_truncsti16 GPR:$src,
1391 GPR:$base, am3offset:$offset))]>;
1393 def STRB_PRE : AI2stbpr<(outs GPR:$base_wb),
1394 (ins GPR:$src, GPR:$base,am2offset:$offset),
1395 StFrm, IIC_iStoreru,
1396 "strb", "\t$src, [$base, $offset]!", "$base = $base_wb",
1397 [(set GPR:$base_wb, (pre_truncsti8 GPR:$src,
1398 GPR:$base, am2offset:$offset))]>;
1400 def STRB_POST: AI2stbpo<(outs GPR:$base_wb),
1401 (ins GPR:$src, GPR:$base,am2offset:$offset),
1402 StFrm, IIC_iStoreru,
1403 "strb", "\t$src, [$base], $offset", "$base = $base_wb",
1404 [(set GPR:$base_wb, (post_truncsti8 GPR:$src,
1405 GPR:$base, am2offset:$offset))]>;
1407 // For disassembly only
1408 def STRD_PRE : AI3stdpr<(outs GPR:$base_wb),
1409 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1410 StMiscFrm, IIC_iStoreru,
1411 "strd", "\t$src1, $src2, [$base, $offset]!",
1412 "$base = $base_wb", []>;
1414 // For disassembly only
1415 def STRD_POST: AI3stdpo<(outs GPR:$base_wb),
1416 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1417 StMiscFrm, IIC_iStoreru,
1418 "strd", "\t$src1, $src2, [$base], $offset",
1419 "$base = $base_wb", []>;
1421 // STRT, STRBT, and STRHT are for disassembly only.
1423 def STRT : AI2stwpo<(outs GPR:$base_wb),
1424 (ins GPR:$src, GPR:$base,am2offset:$offset),
1425 StFrm, IIC_iStoreru,
1426 "strt", "\t$src, [$base], $offset", "$base = $base_wb",
1427 [/* For disassembly only; pattern left blank */]> {
1428 let Inst{21} = 1; // overwrite
1431 def STRBT : AI2stbpo<(outs GPR:$base_wb),
1432 (ins GPR:$src, GPR:$base,am2offset:$offset),
1433 StFrm, IIC_iStoreru,
1434 "strbt", "\t$src, [$base], $offset", "$base = $base_wb",
1435 [/* For disassembly only; pattern left blank */]> {
1436 let Inst{21} = 1; // overwrite
1439 def STRHT: AI3sthpo<(outs GPR:$base_wb),
1440 (ins GPR:$src, GPR:$base,am3offset:$offset),
1441 StMiscFrm, IIC_iStoreru,
1442 "strht", "\t$src, [$base], $offset", "$base = $base_wb",
1443 [/* For disassembly only; pattern left blank */]> {
1444 let Inst{21} = 1; // overwrite
1447 //===----------------------------------------------------------------------===//
1448 // Load / store multiple Instructions.
1451 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1 in {
1452 def LDM : AXI4ld<(outs), (ins addrmode4:$addr, pred:$p,
1453 reglist:$dsts, variable_ops),
1454 IndexModeNone, LdStMulFrm, IIC_iLoadm,
1455 "ldm${addr:submode}${p}\t$addr, $dsts", "", []>;
1457 def LDM_UPD : AXI4ld<(outs GPR:$wb), (ins addrmode4:$addr, pred:$p,
1458 reglist:$dsts, variable_ops),
1459 IndexModeUpd, LdStMulFrm, IIC_iLoadm,
1460 "ldm${addr:submode}${p}\t$addr!, $dsts",
1461 "$addr.addr = $wb", []>;
1462 } // mayLoad, neverHasSideEffects, hasExtraDefRegAllocReq
1464 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in {
1465 def STM : AXI4st<(outs), (ins addrmode4:$addr, pred:$p,
1466 reglist:$srcs, variable_ops),
1467 IndexModeNone, LdStMulFrm, IIC_iStorem,
1468 "stm${addr:submode}${p}\t$addr, $srcs", "", []>;
1470 def STM_UPD : AXI4st<(outs GPR:$wb), (ins addrmode4:$addr, pred:$p,
1471 reglist:$srcs, variable_ops),
1472 IndexModeUpd, LdStMulFrm, IIC_iStorem,
1473 "stm${addr:submode}${p}\t$addr!, $srcs",
1474 "$addr.addr = $wb", []>;
1475 } // mayStore, neverHasSideEffects, hasExtraSrcRegAllocReq
1477 //===----------------------------------------------------------------------===//
1478 // Move Instructions.
1481 let neverHasSideEffects = 1 in
1482 def MOVr : AsI1<0b1101, (outs GPR:$dst), (ins GPR:$src), DPFrm, IIC_iMOVr,
1483 "mov", "\t$dst, $src", []>, UnaryDP {
1484 let Inst{11-4} = 0b00000000;
1488 // A version for the smaller set of tail call registers.
1489 let neverHasSideEffects = 1 in
1490 def MOVr_TC : AsI1<0b1101, (outs tcGPR:$dst), (ins tcGPR:$src), DPFrm,
1491 IIC_iMOVr, "mov", "\t$dst, $src", []>, UnaryDP {
1492 let Inst{11-4} = 0b00000000;
1496 def MOVs : AsI1<0b1101, (outs GPR:$dst), (ins so_reg:$src),
1497 DPSoRegFrm, IIC_iMOVsr,
1498 "mov", "\t$dst, $src", [(set GPR:$dst, so_reg:$src)]>, UnaryDP {
1502 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
1503 def MOVi : AsI1<0b1101, (outs GPR:$dst), (ins so_imm:$src), DPFrm, IIC_iMOVi,
1504 "mov", "\t$dst, $src", [(set GPR:$dst, so_imm:$src)]>, UnaryDP {
1508 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
1509 def MOVi16 : AI1<0b1000, (outs GPR:$dst), (ins i32imm:$src),
1511 "movw", "\t$dst, $src",
1512 [(set GPR:$dst, imm0_65535:$src)]>,
1513 Requires<[IsARM, HasV6T2]>, UnaryDP {
1518 let Constraints = "$src = $dst" in
1519 def MOVTi16 : AI1<0b1010, (outs GPR:$dst), (ins GPR:$src, i32imm:$imm),
1521 "movt", "\t$dst, $imm",
1523 (or (and GPR:$src, 0xffff),
1524 lo16AllZero:$imm))]>, UnaryDP,
1525 Requires<[IsARM, HasV6T2]> {
1530 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
1531 Requires<[IsARM, HasV6T2]>;
1533 let Uses = [CPSR] in
1534 def MOVrx : AsI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo, IIC_iMOVsi,
1535 "mov", "\t$dst, $src, rrx",
1536 [(set GPR:$dst, (ARMrrx GPR:$src))]>, UnaryDP;
1538 // These aren't really mov instructions, but we have to define them this way
1539 // due to flag operands.
1541 let Defs = [CPSR] in {
1542 def MOVsrl_flag : AI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo,
1543 IIC_iMOVsi, "movs", "\t$dst, $src, lsr #1",
1544 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP;
1545 def MOVsra_flag : AI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo,
1546 IIC_iMOVsi, "movs", "\t$dst, $src, asr #1",
1547 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP;
1550 //===----------------------------------------------------------------------===//
1551 // Extend Instructions.
1556 defm SXTB : AI_unary_rrot<0b01101010,
1557 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
1558 defm SXTH : AI_unary_rrot<0b01101011,
1559 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
1561 defm SXTAB : AI_bin_rrot<0b01101010,
1562 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
1563 defm SXTAH : AI_bin_rrot<0b01101011,
1564 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
1566 // For disassembly only
1567 defm SXTB16 : AI_unary_rrot_np<0b01101000, "sxtb16">;
1569 // For disassembly only
1570 defm SXTAB16 : AI_bin_rrot_np<0b01101000, "sxtab16">;
1574 let AddedComplexity = 16 in {
1575 defm UXTB : AI_unary_rrot<0b01101110,
1576 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
1577 defm UXTH : AI_unary_rrot<0b01101111,
1578 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
1579 defm UXTB16 : AI_unary_rrot<0b01101100,
1580 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
1582 // FIXME: This pattern incorrectly assumes the shl operator is a rotate.
1583 // The transformation should probably be done as a combiner action
1584 // instead so we can include a check for masking back in the upper
1585 // eight bits of the source into the lower eight bits of the result.
1586 //def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
1587 // (UXTB16r_rot GPR:$Src, 24)>;
1588 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
1589 (UXTB16r_rot GPR:$Src, 8)>;
1591 defm UXTAB : AI_bin_rrot<0b01101110, "uxtab",
1592 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
1593 defm UXTAH : AI_bin_rrot<0b01101111, "uxtah",
1594 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
1597 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
1598 // For disassembly only
1599 defm UXTAB16 : AI_bin_rrot_np<0b01101100, "uxtab16">;
1602 def SBFX : I<(outs GPR:$dst),
1603 (ins GPR:$src, imm0_31:$lsb, imm0_31:$width),
1604 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iALUi,
1605 "sbfx", "\t$dst, $src, $lsb, $width", "", []>,
1606 Requires<[IsARM, HasV6T2]> {
1607 let Inst{27-21} = 0b0111101;
1608 let Inst{6-4} = 0b101;
1611 def UBFX : I<(outs GPR:$dst),
1612 (ins GPR:$src, imm0_31:$lsb, imm0_31:$width),
1613 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iALUi,
1614 "ubfx", "\t$dst, $src, $lsb, $width", "", []>,
1615 Requires<[IsARM, HasV6T2]> {
1616 let Inst{27-21} = 0b0111111;
1617 let Inst{6-4} = 0b101;
1620 //===----------------------------------------------------------------------===//
1621 // Arithmetic Instructions.
1624 defm ADD : AsI1_bin_irs<0b0100, "add",
1625 BinOpFrag<(add node:$LHS, node:$RHS)>, 1>;
1626 defm SUB : AsI1_bin_irs<0b0010, "sub",
1627 BinOpFrag<(sub node:$LHS, node:$RHS)>>;
1629 // ADD and SUB with 's' bit set.
1630 defm ADDS : AI1_bin_s_irs<0b0100, "adds",
1631 BinOpFrag<(addc node:$LHS, node:$RHS)>, 1>;
1632 defm SUBS : AI1_bin_s_irs<0b0010, "subs",
1633 BinOpFrag<(subc node:$LHS, node:$RHS)>>;
1635 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
1636 BinOpFrag<(adde_dead_carry node:$LHS, node:$RHS)>, 1>;
1637 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
1638 BinOpFrag<(sube_dead_carry node:$LHS, node:$RHS)>>;
1639 defm ADCS : AI1_adde_sube_s_irs<0b0101, "adcs",
1640 BinOpFrag<(adde_live_carry node:$LHS, node:$RHS)>, 1>;
1641 defm SBCS : AI1_adde_sube_s_irs<0b0110, "sbcs",
1642 BinOpFrag<(sube_live_carry node:$LHS, node:$RHS) >>;
1644 def RSBri : AsI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
1645 IIC_iALUi, "rsb", "\t$dst, $a, $b",
1646 [(set GPR:$dst, (sub so_imm:$b, GPR:$a))]> {
1650 // The reg/reg form is only defined for the disassembler; for codegen it is
1651 // equivalent to SUBrr.
1652 def RSBrr : AsI1<0b0011, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
1653 IIC_iALUr, "rsb", "\t$dst, $a, $b",
1654 [/* For disassembly only; pattern left blank */]> {
1656 let Inst{11-4} = 0b00000000;
1659 def RSBrs : AsI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
1660 IIC_iALUsr, "rsb", "\t$dst, $a, $b",
1661 [(set GPR:$dst, (sub so_reg:$b, GPR:$a))]> {
1665 // RSB with 's' bit set.
1666 let Defs = [CPSR] in {
1667 def RSBSri : AI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
1668 IIC_iALUi, "rsbs", "\t$dst, $a, $b",
1669 [(set GPR:$dst, (subc so_imm:$b, GPR:$a))]> {
1673 def RSBSrs : AI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
1674 IIC_iALUsr, "rsbs", "\t$dst, $a, $b",
1675 [(set GPR:$dst, (subc so_reg:$b, GPR:$a))]> {
1681 let Uses = [CPSR] in {
1682 def RSCri : AsI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
1683 DPFrm, IIC_iALUi, "rsc", "\t$dst, $a, $b",
1684 [(set GPR:$dst, (sube_dead_carry so_imm:$b, GPR:$a))]>,
1688 // The reg/reg form is only defined for the disassembler; for codegen it is
1689 // equivalent to SUBrr.
1690 def RSCrr : AsI1<0b0111, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1691 DPFrm, IIC_iALUr, "rsc", "\t$dst, $a, $b",
1692 [/* For disassembly only; pattern left blank */]> {
1694 let Inst{11-4} = 0b00000000;
1696 def RSCrs : AsI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
1697 DPSoRegFrm, IIC_iALUsr, "rsc", "\t$dst, $a, $b",
1698 [(set GPR:$dst, (sube_dead_carry so_reg:$b, GPR:$a))]>,
1704 // FIXME: Allow these to be predicated.
1705 let Defs = [CPSR], Uses = [CPSR] in {
1706 def RSCSri : AXI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
1707 DPFrm, IIC_iALUi, "rscs\t$dst, $a, $b",
1708 [(set GPR:$dst, (sube_dead_carry so_imm:$b, GPR:$a))]>,
1713 def RSCSrs : AXI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
1714 DPSoRegFrm, IIC_iALUsr, "rscs\t$dst, $a, $b",
1715 [(set GPR:$dst, (sube_dead_carry so_reg:$b, GPR:$a))]>,
1722 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
1723 // The assume-no-carry-in form uses the negation of the input since add/sub
1724 // assume opposite meanings of the carry flag (i.e., carry == !borrow).
1725 // See the definition of AddWithCarry() in the ARM ARM A2.2.1 for the gory
1727 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
1728 (SUBri GPR:$src, so_imm_neg:$imm)>;
1729 def : ARMPat<(addc GPR:$src, so_imm_neg:$imm),
1730 (SUBSri GPR:$src, so_imm_neg:$imm)>;
1731 // The with-carry-in form matches bitwise not instead of the negation.
1732 // Effectively, the inverse interpretation of the carry flag already accounts
1733 // for part of the negation.
1734 def : ARMPat<(adde GPR:$src, so_imm_not:$imm),
1735 (SBCri GPR:$src, so_imm_not:$imm)>;
1737 // Note: These are implemented in C++ code, because they have to generate
1738 // ADD/SUBrs instructions, which use a complex pattern that a xform function
1740 // (mul X, 2^n+1) -> (add (X << n), X)
1741 // (mul X, 2^n-1) -> (rsb X, (X << n))
1743 // ARM Arithmetic Instruction -- for disassembly only
1744 // GPR:$dst = GPR:$a op GPR:$b
1745 class AAI<bits<8> op27_20, bits<4> op7_4, string opc,
1746 list<dag> pattern = [/* For disassembly only; pattern left blank */]>
1747 : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm, IIC_iALUr,
1748 opc, "\t$dst, $a, $b", pattern> {
1749 let Inst{27-20} = op27_20;
1750 let Inst{7-4} = op7_4;
1753 // Saturating add/subtract -- for disassembly only
1755 def QADD : AAI<0b00010000, 0b0101, "qadd",
1756 [(set GPR:$dst, (int_arm_qadd GPR:$a, GPR:$b))]>;
1757 def QADD16 : AAI<0b01100010, 0b0001, "qadd16">;
1758 def QADD8 : AAI<0b01100010, 0b1001, "qadd8">;
1759 def QASX : AAI<0b01100010, 0b0011, "qasx">;
1760 def QDADD : AAI<0b00010100, 0b0101, "qdadd">;
1761 def QDSUB : AAI<0b00010110, 0b0101, "qdsub">;
1762 def QSAX : AAI<0b01100010, 0b0101, "qsax">;
1763 def QSUB : AAI<0b00010010, 0b0101, "qsub",
1764 [(set GPR:$dst, (int_arm_qsub GPR:$a, GPR:$b))]>;
1765 def QSUB16 : AAI<0b01100010, 0b0111, "qsub16">;
1766 def QSUB8 : AAI<0b01100010, 0b1111, "qsub8">;
1767 def UQADD16 : AAI<0b01100110, 0b0001, "uqadd16">;
1768 def UQADD8 : AAI<0b01100110, 0b1001, "uqadd8">;
1769 def UQASX : AAI<0b01100110, 0b0011, "uqasx">;
1770 def UQSAX : AAI<0b01100110, 0b0101, "uqsax">;
1771 def UQSUB16 : AAI<0b01100110, 0b0111, "uqsub16">;
1772 def UQSUB8 : AAI<0b01100110, 0b1111, "uqsub8">;
1774 // Signed/Unsigned add/subtract -- for disassembly only
1776 def SASX : AAI<0b01100001, 0b0011, "sasx">;
1777 def SADD16 : AAI<0b01100001, 0b0001, "sadd16">;
1778 def SADD8 : AAI<0b01100001, 0b1001, "sadd8">;
1779 def SSAX : AAI<0b01100001, 0b0101, "ssax">;
1780 def SSUB16 : AAI<0b01100001, 0b0111, "ssub16">;
1781 def SSUB8 : AAI<0b01100001, 0b1111, "ssub8">;
1782 def UASX : AAI<0b01100101, 0b0011, "uasx">;
1783 def UADD16 : AAI<0b01100101, 0b0001, "uadd16">;
1784 def UADD8 : AAI<0b01100101, 0b1001, "uadd8">;
1785 def USAX : AAI<0b01100101, 0b0101, "usax">;
1786 def USUB16 : AAI<0b01100101, 0b0111, "usub16">;
1787 def USUB8 : AAI<0b01100101, 0b1111, "usub8">;
1789 // Signed/Unsigned halving add/subtract -- for disassembly only
1791 def SHASX : AAI<0b01100011, 0b0011, "shasx">;
1792 def SHADD16 : AAI<0b01100011, 0b0001, "shadd16">;
1793 def SHADD8 : AAI<0b01100011, 0b1001, "shadd8">;
1794 def SHSAX : AAI<0b01100011, 0b0101, "shsax">;
1795 def SHSUB16 : AAI<0b01100011, 0b0111, "shsub16">;
1796 def SHSUB8 : AAI<0b01100011, 0b1111, "shsub8">;
1797 def UHASX : AAI<0b01100111, 0b0011, "uhasx">;
1798 def UHADD16 : AAI<0b01100111, 0b0001, "uhadd16">;
1799 def UHADD8 : AAI<0b01100111, 0b1001, "uhadd8">;
1800 def UHSAX : AAI<0b01100111, 0b0101, "uhsax">;
1801 def UHSUB16 : AAI<0b01100111, 0b0111, "uhsub16">;
1802 def UHSUB8 : AAI<0b01100111, 0b1111, "uhsub8">;
1804 // Unsigned Sum of Absolute Differences [and Accumulate] -- for disassembly only
1806 def USAD8 : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b),
1807 MulFrm /* for convenience */, NoItinerary, "usad8",
1808 "\t$dst, $a, $b", []>,
1809 Requires<[IsARM, HasV6]> {
1810 let Inst{27-20} = 0b01111000;
1811 let Inst{15-12} = 0b1111;
1812 let Inst{7-4} = 0b0001;
1814 def USADA8 : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1815 MulFrm /* for convenience */, NoItinerary, "usada8",
1816 "\t$dst, $a, $b, $acc", []>,
1817 Requires<[IsARM, HasV6]> {
1818 let Inst{27-20} = 0b01111000;
1819 let Inst{7-4} = 0b0001;
1822 // Signed/Unsigned saturate -- for disassembly only
1824 def SSAT : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a, shift_imm:$sh),
1825 SatFrm, NoItinerary, "ssat", "\t$dst, $bit_pos, $a$sh",
1826 [/* For disassembly only; pattern left blank */]> {
1827 let Inst{27-21} = 0b0110101;
1828 let Inst{5-4} = 0b01;
1831 def SSAT16 : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a), SatFrm,
1832 NoItinerary, "ssat16", "\t$dst, $bit_pos, $a",
1833 [/* For disassembly only; pattern left blank */]> {
1834 let Inst{27-20} = 0b01101010;
1835 let Inst{7-4} = 0b0011;
1838 def USAT : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a, shift_imm:$sh),
1839 SatFrm, NoItinerary, "usat", "\t$dst, $bit_pos, $a$sh",
1840 [/* For disassembly only; pattern left blank */]> {
1841 let Inst{27-21} = 0b0110111;
1842 let Inst{5-4} = 0b01;
1845 def USAT16 : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a), SatFrm,
1846 NoItinerary, "usat16", "\t$dst, $bit_pos, $a",
1847 [/* For disassembly only; pattern left blank */]> {
1848 let Inst{27-20} = 0b01101110;
1849 let Inst{7-4} = 0b0011;
1852 def : ARMV6Pat<(int_arm_ssat GPR:$a, imm:$pos), (SSAT imm:$pos, GPR:$a, 0)>;
1853 def : ARMV6Pat<(int_arm_usat GPR:$a, imm:$pos), (USAT imm:$pos, GPR:$a, 0)>;
1855 //===----------------------------------------------------------------------===//
1856 // Bitwise Instructions.
1859 defm AND : AsI1_bin_irs<0b0000, "and",
1860 BinOpFrag<(and node:$LHS, node:$RHS)>, 1>;
1861 defm ANDS : AI1_bin_s_irs<0b0000, "and",
1862 BinOpFrag<(ARMand node:$LHS, node:$RHS)>, 1>;
1863 defm ORR : AsI1_bin_irs<0b1100, "orr",
1864 BinOpFrag<(or node:$LHS, node:$RHS)>, 1>;
1865 defm EOR : AsI1_bin_irs<0b0001, "eor",
1866 BinOpFrag<(xor node:$LHS, node:$RHS)>, 1>;
1867 defm BIC : AsI1_bin_irs<0b1110, "bic",
1868 BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
1870 def BFC : I<(outs GPR:$dst), (ins GPR:$src, bf_inv_mask_imm:$imm),
1871 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
1872 "bfc", "\t$dst, $imm", "$src = $dst",
1873 [(set GPR:$dst, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
1874 Requires<[IsARM, HasV6T2]> {
1875 let Inst{27-21} = 0b0111110;
1876 let Inst{6-0} = 0b0011111;
1879 // A8.6.18 BFI - Bitfield insert (Encoding A1)
1880 def BFI : I<(outs GPR:$dst), (ins GPR:$src, GPR:$val, bf_inv_mask_imm:$imm),
1881 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
1882 "bfi", "\t$dst, $val, $imm", "$src = $dst",
1883 [(set GPR:$dst, (ARMbfi GPR:$src, GPR:$val,
1884 bf_inv_mask_imm:$imm))]>,
1885 Requires<[IsARM, HasV6T2]> {
1886 let Inst{27-21} = 0b0111110;
1887 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
1890 def MVNr : AsI1<0b1111, (outs GPR:$dst), (ins GPR:$src), DPFrm, IIC_iMOVr,
1891 "mvn", "\t$dst, $src",
1892 [(set GPR:$dst, (not GPR:$src))]>, UnaryDP {
1894 let Inst{11-4} = 0b00000000;
1896 def MVNs : AsI1<0b1111, (outs GPR:$dst), (ins so_reg:$src), DPSoRegFrm,
1897 IIC_iMOVsr, "mvn", "\t$dst, $src",
1898 [(set GPR:$dst, (not so_reg:$src))]>, UnaryDP {
1901 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
1902 def MVNi : AsI1<0b1111, (outs GPR:$dst), (ins so_imm:$imm), DPFrm,
1903 IIC_iMOVi, "mvn", "\t$dst, $imm",
1904 [(set GPR:$dst, so_imm_not:$imm)]>,UnaryDP {
1908 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
1909 (BICri GPR:$src, so_imm_not:$imm)>;
1911 //===----------------------------------------------------------------------===//
1912 // Multiply Instructions.
1915 let isCommutable = 1 in
1916 def MUL : AsMul1I<0b0000000, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1917 IIC_iMUL32, "mul", "\t$dst, $a, $b",
1918 [(set GPR:$dst, (mul GPR:$a, GPR:$b))]>;
1920 def MLA : AsMul1I<0b0000001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1921 IIC_iMAC32, "mla", "\t$dst, $a, $b, $c",
1922 [(set GPR:$dst, (add (mul GPR:$a, GPR:$b), GPR:$c))]>;
1924 def MLS : AMul1I<0b0000011, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1925 IIC_iMAC32, "mls", "\t$dst, $a, $b, $c",
1926 [(set GPR:$dst, (sub GPR:$c, (mul GPR:$a, GPR:$b)))]>,
1927 Requires<[IsARM, HasV6T2]>;
1929 // Extra precision multiplies with low / high results
1930 let neverHasSideEffects = 1 in {
1931 let isCommutable = 1 in {
1932 def SMULL : AsMul1I<0b0000110, (outs GPR:$ldst, GPR:$hdst),
1933 (ins GPR:$a, GPR:$b), IIC_iMUL64,
1934 "smull", "\t$ldst, $hdst, $a, $b", []>;
1936 def UMULL : AsMul1I<0b0000100, (outs GPR:$ldst, GPR:$hdst),
1937 (ins GPR:$a, GPR:$b), IIC_iMUL64,
1938 "umull", "\t$ldst, $hdst, $a, $b", []>;
1941 // Multiply + accumulate
1942 def SMLAL : AsMul1I<0b0000111, (outs GPR:$ldst, GPR:$hdst),
1943 (ins GPR:$a, GPR:$b), IIC_iMAC64,
1944 "smlal", "\t$ldst, $hdst, $a, $b", []>;
1946 def UMLAL : AsMul1I<0b0000101, (outs GPR:$ldst, GPR:$hdst),
1947 (ins GPR:$a, GPR:$b), IIC_iMAC64,
1948 "umlal", "\t$ldst, $hdst, $a, $b", []>;
1950 def UMAAL : AMul1I <0b0000010, (outs GPR:$ldst, GPR:$hdst),
1951 (ins GPR:$a, GPR:$b), IIC_iMAC64,
1952 "umaal", "\t$ldst, $hdst, $a, $b", []>,
1953 Requires<[IsARM, HasV6]>;
1954 } // neverHasSideEffects
1956 // Most significant word multiply
1957 def SMMUL : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1958 IIC_iMUL32, "smmul", "\t$dst, $a, $b",
1959 [(set GPR:$dst, (mulhs GPR:$a, GPR:$b))]>,
1960 Requires<[IsARM, HasV6]> {
1961 let Inst{7-4} = 0b0001;
1962 let Inst{15-12} = 0b1111;
1965 def SMMULR : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1966 IIC_iMUL32, "smmulr", "\t$dst, $a, $b",
1967 [/* For disassembly only; pattern left blank */]>,
1968 Requires<[IsARM, HasV6]> {
1969 let Inst{7-4} = 0b0011; // R = 1
1970 let Inst{15-12} = 0b1111;
1973 def SMMLA : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1974 IIC_iMAC32, "smmla", "\t$dst, $a, $b, $c",
1975 [(set GPR:$dst, (add (mulhs GPR:$a, GPR:$b), GPR:$c))]>,
1976 Requires<[IsARM, HasV6]> {
1977 let Inst{7-4} = 0b0001;
1980 def SMMLAR : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1981 IIC_iMAC32, "smmlar", "\t$dst, $a, $b, $c",
1982 [/* For disassembly only; pattern left blank */]>,
1983 Requires<[IsARM, HasV6]> {
1984 let Inst{7-4} = 0b0011; // R = 1
1987 def SMMLS : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1988 IIC_iMAC32, "smmls", "\t$dst, $a, $b, $c",
1989 [(set GPR:$dst, (sub GPR:$c, (mulhs GPR:$a, GPR:$b)))]>,
1990 Requires<[IsARM, HasV6]> {
1991 let Inst{7-4} = 0b1101;
1994 def SMMLSR : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1995 IIC_iMAC32, "smmlsr", "\t$dst, $a, $b, $c",
1996 [/* For disassembly only; pattern left blank */]>,
1997 Requires<[IsARM, HasV6]> {
1998 let Inst{7-4} = 0b1111; // R = 1
2001 multiclass AI_smul<string opc, PatFrag opnode> {
2002 def BB : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2003 IIC_iMUL32, !strconcat(opc, "bb"), "\t$dst, $a, $b",
2004 [(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16),
2005 (sext_inreg GPR:$b, i16)))]>,
2006 Requires<[IsARM, HasV5TE]> {
2011 def BT : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2012 IIC_iMUL32, !strconcat(opc, "bt"), "\t$dst, $a, $b",
2013 [(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16),
2014 (sra GPR:$b, (i32 16))))]>,
2015 Requires<[IsARM, HasV5TE]> {
2020 def TB : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2021 IIC_iMUL32, !strconcat(opc, "tb"), "\t$dst, $a, $b",
2022 [(set GPR:$dst, (opnode (sra GPR:$a, (i32 16)),
2023 (sext_inreg GPR:$b, i16)))]>,
2024 Requires<[IsARM, HasV5TE]> {
2029 def TT : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2030 IIC_iMUL32, !strconcat(opc, "tt"), "\t$dst, $a, $b",
2031 [(set GPR:$dst, (opnode (sra GPR:$a, (i32 16)),
2032 (sra GPR:$b, (i32 16))))]>,
2033 Requires<[IsARM, HasV5TE]> {
2038 def WB : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2039 IIC_iMUL16, !strconcat(opc, "wb"), "\t$dst, $a, $b",
2040 [(set GPR:$dst, (sra (opnode GPR:$a,
2041 (sext_inreg GPR:$b, i16)), (i32 16)))]>,
2042 Requires<[IsARM, HasV5TE]> {
2047 def WT : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2048 IIC_iMUL16, !strconcat(opc, "wt"), "\t$dst, $a, $b",
2049 [(set GPR:$dst, (sra (opnode GPR:$a,
2050 (sra GPR:$b, (i32 16))), (i32 16)))]>,
2051 Requires<[IsARM, HasV5TE]> {
2058 multiclass AI_smla<string opc, PatFrag opnode> {
2059 def BB : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2060 IIC_iMAC16, !strconcat(opc, "bb"), "\t$dst, $a, $b, $acc",
2061 [(set GPR:$dst, (add GPR:$acc,
2062 (opnode (sext_inreg GPR:$a, i16),
2063 (sext_inreg GPR:$b, i16))))]>,
2064 Requires<[IsARM, HasV5TE]> {
2069 def BT : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2070 IIC_iMAC16, !strconcat(opc, "bt"), "\t$dst, $a, $b, $acc",
2071 [(set GPR:$dst, (add GPR:$acc, (opnode (sext_inreg GPR:$a, i16),
2072 (sra GPR:$b, (i32 16)))))]>,
2073 Requires<[IsARM, HasV5TE]> {
2078 def TB : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2079 IIC_iMAC16, !strconcat(opc, "tb"), "\t$dst, $a, $b, $acc",
2080 [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, (i32 16)),
2081 (sext_inreg GPR:$b, i16))))]>,
2082 Requires<[IsARM, HasV5TE]> {
2087 def TT : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2088 IIC_iMAC16, !strconcat(opc, "tt"), "\t$dst, $a, $b, $acc",
2089 [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, (i32 16)),
2090 (sra GPR:$b, (i32 16)))))]>,
2091 Requires<[IsARM, HasV5TE]> {
2096 def WB : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2097 IIC_iMAC16, !strconcat(opc, "wb"), "\t$dst, $a, $b, $acc",
2098 [(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a,
2099 (sext_inreg GPR:$b, i16)), (i32 16))))]>,
2100 Requires<[IsARM, HasV5TE]> {
2105 def WT : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2106 IIC_iMAC16, !strconcat(opc, "wt"), "\t$dst, $a, $b, $acc",
2107 [(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a,
2108 (sra GPR:$b, (i32 16))), (i32 16))))]>,
2109 Requires<[IsARM, HasV5TE]> {
2115 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
2116 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
2118 // Halfword multiply accumulate long: SMLAL<x><y> -- for disassembly only
2119 def SMLALBB : AMulxyI<0b0001010,(outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
2120 IIC_iMAC64, "smlalbb", "\t$ldst, $hdst, $a, $b",
2121 [/* For disassembly only; pattern left blank */]>,
2122 Requires<[IsARM, HasV5TE]> {
2127 def SMLALBT : AMulxyI<0b0001010,(outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
2128 IIC_iMAC64, "smlalbt", "\t$ldst, $hdst, $a, $b",
2129 [/* For disassembly only; pattern left blank */]>,
2130 Requires<[IsARM, HasV5TE]> {
2135 def SMLALTB : AMulxyI<0b0001010,(outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
2136 IIC_iMAC64, "smlaltb", "\t$ldst, $hdst, $a, $b",
2137 [/* For disassembly only; pattern left blank */]>,
2138 Requires<[IsARM, HasV5TE]> {
2143 def SMLALTT : AMulxyI<0b0001010,(outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
2144 IIC_iMAC64, "smlaltt", "\t$ldst, $hdst, $a, $b",
2145 [/* For disassembly only; pattern left blank */]>,
2146 Requires<[IsARM, HasV5TE]> {
2151 // Helper class for AI_smld -- for disassembly only
2152 class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
2153 InstrItinClass itin, string opc, string asm>
2154 : AI<oops, iops, MulFrm, itin, opc, asm, []>, Requires<[IsARM, HasV6]> {
2159 let Inst{21-20} = 0b00;
2160 let Inst{22} = long;
2161 let Inst{27-23} = 0b01110;
2164 multiclass AI_smld<bit sub, string opc> {
2166 def D : AMulDualI<0, sub, 0, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2167 NoItinerary, !strconcat(opc, "d"), "\t$dst, $a, $b, $acc">;
2169 def DX : AMulDualI<0, sub, 1, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2170 NoItinerary, !strconcat(opc, "dx"), "\t$dst, $a, $b, $acc">;
2172 def LD : AMulDualI<1, sub, 0, (outs GPR:$ldst,GPR:$hdst), (ins GPR:$a,GPR:$b),
2173 NoItinerary, !strconcat(opc, "ld"), "\t$ldst, $hdst, $a, $b">;
2175 def LDX : AMulDualI<1, sub, 1, (outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
2176 NoItinerary, !strconcat(opc, "ldx"),"\t$ldst, $hdst, $a, $b">;
2180 defm SMLA : AI_smld<0, "smla">;
2181 defm SMLS : AI_smld<1, "smls">;
2183 multiclass AI_sdml<bit sub, string opc> {
2185 def D : AMulDualI<0, sub, 0, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2186 NoItinerary, !strconcat(opc, "d"), "\t$dst, $a, $b"> {
2187 let Inst{15-12} = 0b1111;
2190 def DX : AMulDualI<0, sub, 1, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2191 NoItinerary, !strconcat(opc, "dx"), "\t$dst, $a, $b"> {
2192 let Inst{15-12} = 0b1111;
2197 defm SMUA : AI_sdml<0, "smua">;
2198 defm SMUS : AI_sdml<1, "smus">;
2200 //===----------------------------------------------------------------------===//
2201 // Misc. Arithmetic Instructions.
2204 def CLZ : AMiscA1I<0b000010110, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
2205 "clz", "\t$dst, $src",
2206 [(set GPR:$dst, (ctlz GPR:$src))]>, Requires<[IsARM, HasV5T]> {
2207 let Inst{7-4} = 0b0001;
2208 let Inst{11-8} = 0b1111;
2209 let Inst{19-16} = 0b1111;
2212 def RBIT : AMiscA1I<0b01101111, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
2213 "rbit", "\t$dst, $src",
2214 [(set GPR:$dst, (ARMrbit GPR:$src))]>,
2215 Requires<[IsARM, HasV6T2]> {
2216 let Inst{7-4} = 0b0011;
2217 let Inst{11-8} = 0b1111;
2218 let Inst{19-16} = 0b1111;
2221 def REV : AMiscA1I<0b01101011, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
2222 "rev", "\t$dst, $src",
2223 [(set GPR:$dst, (bswap GPR:$src))]>, Requires<[IsARM, HasV6]> {
2224 let Inst{7-4} = 0b0011;
2225 let Inst{11-8} = 0b1111;
2226 let Inst{19-16} = 0b1111;
2229 def REV16 : AMiscA1I<0b01101011, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
2230 "rev16", "\t$dst, $src",
2232 (or (and (srl GPR:$src, (i32 8)), 0xFF),
2233 (or (and (shl GPR:$src, (i32 8)), 0xFF00),
2234 (or (and (srl GPR:$src, (i32 8)), 0xFF0000),
2235 (and (shl GPR:$src, (i32 8)), 0xFF000000)))))]>,
2236 Requires<[IsARM, HasV6]> {
2237 let Inst{7-4} = 0b1011;
2238 let Inst{11-8} = 0b1111;
2239 let Inst{19-16} = 0b1111;
2242 def REVSH : AMiscA1I<0b01101111, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
2243 "revsh", "\t$dst, $src",
2246 (or (srl (and GPR:$src, 0xFF00), (i32 8)),
2247 (shl GPR:$src, (i32 8))), i16))]>,
2248 Requires<[IsARM, HasV6]> {
2249 let Inst{7-4} = 0b1011;
2250 let Inst{11-8} = 0b1111;
2251 let Inst{19-16} = 0b1111;
2254 def lsl_shift_imm : SDNodeXForm<imm, [{
2255 unsigned Sh = ARM_AM::getSORegOpc(ARM_AM::lsl, N->getZExtValue());
2256 return CurDAG->getTargetConstant(Sh, MVT::i32);
2259 def lsl_amt : PatLeaf<(i32 imm), [{
2260 return (N->getZExtValue() < 32);
2263 def PKHBT : AMiscA1I<0b01101000, (outs GPR:$dst),
2264 (ins GPR:$src1, GPR:$src2, shift_imm:$sh),
2265 IIC_iALUsi, "pkhbt", "\t$dst, $src1, $src2$sh",
2266 [(set GPR:$dst, (or (and GPR:$src1, 0xFFFF),
2267 (and (shl GPR:$src2, lsl_amt:$sh),
2269 Requires<[IsARM, HasV6]> {
2270 let Inst{6-4} = 0b001;
2273 // Alternate cases for PKHBT where identities eliminate some nodes.
2274 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF), (and GPR:$src2, 0xFFFF0000)),
2275 (PKHBT GPR:$src1, GPR:$src2, 0)>;
2276 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF), (shl GPR:$src2, imm16_31:$sh)),
2277 (PKHBT GPR:$src1, GPR:$src2, (lsl_shift_imm imm16_31:$sh))>;
2279 def asr_shift_imm : SDNodeXForm<imm, [{
2280 unsigned Sh = ARM_AM::getSORegOpc(ARM_AM::asr, N->getZExtValue());
2281 return CurDAG->getTargetConstant(Sh, MVT::i32);
2284 def asr_amt : PatLeaf<(i32 imm), [{
2285 return (N->getZExtValue() <= 32);
2288 // Note: Shifts of 1-15 bits will be transformed to srl instead of sra and
2289 // will match the pattern below.
2290 def PKHTB : AMiscA1I<0b01101000, (outs GPR:$dst),
2291 (ins GPR:$src1, GPR:$src2, shift_imm:$sh),
2292 IIC_iALUsi, "pkhtb", "\t$dst, $src1, $src2$sh",
2293 [(set GPR:$dst, (or (and GPR:$src1, 0xFFFF0000),
2294 (and (sra GPR:$src2, asr_amt:$sh),
2296 Requires<[IsARM, HasV6]> {
2297 let Inst{6-4} = 0b101;
2300 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
2301 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
2302 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000), (srl GPR:$src2, imm16_31:$sh)),
2303 (PKHTB GPR:$src1, GPR:$src2, (asr_shift_imm imm16_31:$sh))>;
2304 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000),
2305 (and (srl GPR:$src2, imm1_15:$sh), 0xFFFF)),
2306 (PKHTB GPR:$src1, GPR:$src2, (asr_shift_imm imm1_15:$sh))>;
2308 //===----------------------------------------------------------------------===//
2309 // Comparison Instructions...
2312 defm CMP : AI1_cmp_irs<0b1010, "cmp",
2313 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
2315 // FIXME: We have to be careful when using the CMN instruction and comparison
2316 // with 0. One would expect these two pieces of code should give identical
2332 // However, the CMN gives the *opposite* result when r1 is 0. This is because
2333 // the carry flag is set in the CMP case but not in the CMN case. In short, the
2334 // CMP instruction doesn't perform a truncate of the (logical) NOT of 0 plus the
2335 // value of r0 and the carry bit (because the "carry bit" parameter to
2336 // AddWithCarry is defined as 1 in this case, the carry flag will always be set
2337 // when r0 >= 0). The CMN instruction doesn't perform a NOT of 0 so there is
2338 // never a "carry" when this AddWithCarry is performed (because the "carry bit"
2339 // parameter to AddWithCarry is defined as 0).
2341 // When x is 0 and unsigned:
2345 // ~x + 1 = 0x1 0000 0000
2346 // (-x = 0) != (0x1 0000 0000 = ~x + 1)
2348 // Therefore, we should disable CMN when comparing against zero, until we can
2349 // limit when the CMN instruction is used (when we know that the RHS is not 0 or
2350 // when it's a comparison which doesn't look at the 'carry' flag).
2352 // (See the ARM docs for the "AddWithCarry" pseudo-code.)
2354 // This is related to <rdar://problem/7569620>.
2356 //defm CMN : AI1_cmp_irs<0b1011, "cmn",
2357 // BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
2359 // Note that TST/TEQ don't set all the same flags that CMP does!
2360 defm TST : AI1_cmp_irs<0b1000, "tst",
2361 BinOpFrag<(ARMcmpZ (and node:$LHS, node:$RHS), 0)>, 1>;
2362 defm TEQ : AI1_cmp_irs<0b1001, "teq",
2363 BinOpFrag<(ARMcmpZ (xor node:$LHS, node:$RHS), 0)>, 1>;
2365 defm CMPz : AI1_cmp_irs<0b1010, "cmp",
2366 BinOpFrag<(ARMcmpZ node:$LHS, node:$RHS)>>;
2367 defm CMNz : AI1_cmp_irs<0b1011, "cmn",
2368 BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>>;
2370 //def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
2371 // (CMNri GPR:$src, so_imm_neg:$imm)>;
2373 def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
2374 (CMNzri GPR:$src, so_imm_neg:$imm)>;
2376 // Pseudo i64 compares for some floating point compares.
2377 let usesCustomInserter = 1, isBranch = 1, isTerminator = 1,
2379 def BCCi64 : PseudoInst<(outs),
2380 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, brtarget:$dst),
2382 "${:comment} B\t$dst GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, imm:$cc",
2383 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, bb:$dst)]>;
2385 def BCCZi64 : PseudoInst<(outs),
2386 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, brtarget:$dst),
2388 "${:comment} B\t$dst GPR:$lhs1, GPR:$lhs2, 0, 0, imm:$cc",
2389 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, 0, 0, bb:$dst)]>;
2390 } // usesCustomInserter
2393 // Conditional moves
2394 // FIXME: should be able to write a pattern for ARMcmov, but can't use
2395 // a two-value operand where a dag node expects two operands. :(
2396 let neverHasSideEffects = 1 in {
2397 def MOVCCr : AI1<0b1101, (outs GPR:$dst), (ins GPR:$false, GPR:$true), DPFrm,
2398 IIC_iCMOVr, "mov", "\t$dst, $true",
2399 [/*(set GPR:$dst, (ARMcmov GPR:$false, GPR:$true, imm:$cc, CCR:$ccr))*/]>,
2400 RegConstraint<"$false = $dst">, UnaryDP {
2401 let Inst{11-4} = 0b00000000;
2405 def MOVCCs : AI1<0b1101, (outs GPR:$dst),
2406 (ins GPR:$false, so_reg:$true), DPSoRegFrm, IIC_iCMOVsr,
2407 "mov", "\t$dst, $true",
2408 [/*(set GPR:$dst, (ARMcmov GPR:$false, so_reg:$true, imm:$cc, CCR:$ccr))*/]>,
2409 RegConstraint<"$false = $dst">, UnaryDP {
2413 def MOVCCi : AI1<0b1101, (outs GPR:$dst),
2414 (ins GPR:$false, so_imm:$true), DPFrm, IIC_iCMOVi,
2415 "mov", "\t$dst, $true",
2416 [/*(set GPR:$dst, (ARMcmov GPR:$false, so_imm:$true, imm:$cc, CCR:$ccr))*/]>,
2417 RegConstraint<"$false = $dst">, UnaryDP {
2420 } // neverHasSideEffects
2422 //===----------------------------------------------------------------------===//
2423 // Atomic operations intrinsics
2426 // memory barriers protect the atomic sequences
2427 let hasSideEffects = 1 in {
2428 def DMBsy : AInoP<(outs), (ins), MiscFrm, NoItinerary, "dmb", "",
2429 [(ARMMemBarrier)]>, Requires<[IsARM, HasDB]> {
2430 let Inst{31-4} = 0xf57ff05;
2431 // FIXME: add support for options other than a full system DMB
2432 // See DMB disassembly-only variants below.
2433 let Inst{3-0} = 0b1111;
2436 def DSBsy : AInoP<(outs), (ins), MiscFrm, NoItinerary, "dsb", "",
2437 [(ARMSyncBarrier)]>, Requires<[IsARM, HasDB]> {
2438 let Inst{31-4} = 0xf57ff04;
2439 // FIXME: add support for options other than a full system DSB
2440 // See DSB disassembly-only variants below.
2441 let Inst{3-0} = 0b1111;
2444 def DMB_MCR : AInoP<(outs), (ins GPR:$zero), MiscFrm, NoItinerary,
2445 "mcr", "\tp15, 0, $zero, c7, c10, 5",
2446 [(ARMMemBarrierMCR GPR:$zero)]>,
2447 Requires<[IsARM, HasV6]> {
2448 // FIXME: add support for options other than a full system DMB
2449 // FIXME: add encoding
2452 def DSB_MCR : AInoP<(outs), (ins GPR:$zero), MiscFrm, NoItinerary,
2453 "mcr", "\tp15, 0, $zero, c7, c10, 4",
2454 [(ARMSyncBarrierMCR GPR:$zero)]>,
2455 Requires<[IsARM, HasV6]> {
2456 // FIXME: add support for options other than a full system DSB
2457 // FIXME: add encoding
2461 // Memory Barrier Operations Variants -- for disassembly only
2463 def memb_opt : Operand<i32> {
2464 let PrintMethod = "printMemBOption";
2467 class AMBI<bits<4> op7_4, string opc>
2468 : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary, opc, "\t$opt",
2469 [/* For disassembly only; pattern left blank */]>,
2470 Requires<[IsARM, HasDB]> {
2471 let Inst{31-8} = 0xf57ff0;
2472 let Inst{7-4} = op7_4;
2475 // These DMB variants are for disassembly only.
2476 def DMBvar : AMBI<0b0101, "dmb">;
2478 // These DSB variants are for disassembly only.
2479 def DSBvar : AMBI<0b0100, "dsb">;
2481 // ISB has only full system option -- for disassembly only
2482 def ISBsy : AInoP<(outs), (ins), MiscFrm, NoItinerary, "isb", "", []>,
2483 Requires<[IsARM, HasDB]> {
2484 let Inst{31-4} = 0xf57ff06;
2485 let Inst{3-0} = 0b1111;
2488 let usesCustomInserter = 1 in {
2489 let Uses = [CPSR] in {
2490 def ATOMIC_LOAD_ADD_I8 : PseudoInst<
2491 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2492 "${:comment} ATOMIC_LOAD_ADD_I8 PSEUDO!",
2493 [(set GPR:$dst, (atomic_load_add_8 GPR:$ptr, GPR:$incr))]>;
2494 def ATOMIC_LOAD_SUB_I8 : PseudoInst<
2495 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2496 "${:comment} ATOMIC_LOAD_SUB_I8 PSEUDO!",
2497 [(set GPR:$dst, (atomic_load_sub_8 GPR:$ptr, GPR:$incr))]>;
2498 def ATOMIC_LOAD_AND_I8 : PseudoInst<
2499 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2500 "${:comment} ATOMIC_LOAD_AND_I8 PSEUDO!",
2501 [(set GPR:$dst, (atomic_load_and_8 GPR:$ptr, GPR:$incr))]>;
2502 def ATOMIC_LOAD_OR_I8 : PseudoInst<
2503 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2504 "${:comment} ATOMIC_LOAD_OR_I8 PSEUDO!",
2505 [(set GPR:$dst, (atomic_load_or_8 GPR:$ptr, GPR:$incr))]>;
2506 def ATOMIC_LOAD_XOR_I8 : PseudoInst<
2507 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2508 "${:comment} ATOMIC_LOAD_XOR_I8 PSEUDO!",
2509 [(set GPR:$dst, (atomic_load_xor_8 GPR:$ptr, GPR:$incr))]>;
2510 def ATOMIC_LOAD_NAND_I8 : PseudoInst<
2511 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2512 "${:comment} ATOMIC_LOAD_NAND_I8 PSEUDO!",
2513 [(set GPR:$dst, (atomic_load_nand_8 GPR:$ptr, GPR:$incr))]>;
2514 def ATOMIC_LOAD_ADD_I16 : PseudoInst<
2515 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2516 "${:comment} ATOMIC_LOAD_ADD_I16 PSEUDO!",
2517 [(set GPR:$dst, (atomic_load_add_16 GPR:$ptr, GPR:$incr))]>;
2518 def ATOMIC_LOAD_SUB_I16 : PseudoInst<
2519 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2520 "${:comment} ATOMIC_LOAD_SUB_I16 PSEUDO!",
2521 [(set GPR:$dst, (atomic_load_sub_16 GPR:$ptr, GPR:$incr))]>;
2522 def ATOMIC_LOAD_AND_I16 : PseudoInst<
2523 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2524 "${:comment} ATOMIC_LOAD_AND_I16 PSEUDO!",
2525 [(set GPR:$dst, (atomic_load_and_16 GPR:$ptr, GPR:$incr))]>;
2526 def ATOMIC_LOAD_OR_I16 : PseudoInst<
2527 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2528 "${:comment} ATOMIC_LOAD_OR_I16 PSEUDO!",
2529 [(set GPR:$dst, (atomic_load_or_16 GPR:$ptr, GPR:$incr))]>;
2530 def ATOMIC_LOAD_XOR_I16 : PseudoInst<
2531 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2532 "${:comment} ATOMIC_LOAD_XOR_I16 PSEUDO!",
2533 [(set GPR:$dst, (atomic_load_xor_16 GPR:$ptr, GPR:$incr))]>;
2534 def ATOMIC_LOAD_NAND_I16 : PseudoInst<
2535 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2536 "${:comment} ATOMIC_LOAD_NAND_I16 PSEUDO!",
2537 [(set GPR:$dst, (atomic_load_nand_16 GPR:$ptr, GPR:$incr))]>;
2538 def ATOMIC_LOAD_ADD_I32 : PseudoInst<
2539 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2540 "${:comment} ATOMIC_LOAD_ADD_I32 PSEUDO!",
2541 [(set GPR:$dst, (atomic_load_add_32 GPR:$ptr, GPR:$incr))]>;
2542 def ATOMIC_LOAD_SUB_I32 : PseudoInst<
2543 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2544 "${:comment} ATOMIC_LOAD_SUB_I32 PSEUDO!",
2545 [(set GPR:$dst, (atomic_load_sub_32 GPR:$ptr, GPR:$incr))]>;
2546 def ATOMIC_LOAD_AND_I32 : PseudoInst<
2547 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2548 "${:comment} ATOMIC_LOAD_AND_I32 PSEUDO!",
2549 [(set GPR:$dst, (atomic_load_and_32 GPR:$ptr, GPR:$incr))]>;
2550 def ATOMIC_LOAD_OR_I32 : PseudoInst<
2551 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2552 "${:comment} ATOMIC_LOAD_OR_I32 PSEUDO!",
2553 [(set GPR:$dst, (atomic_load_or_32 GPR:$ptr, GPR:$incr))]>;
2554 def ATOMIC_LOAD_XOR_I32 : PseudoInst<
2555 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2556 "${:comment} ATOMIC_LOAD_XOR_I32 PSEUDO!",
2557 [(set GPR:$dst, (atomic_load_xor_32 GPR:$ptr, GPR:$incr))]>;
2558 def ATOMIC_LOAD_NAND_I32 : PseudoInst<
2559 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2560 "${:comment} ATOMIC_LOAD_NAND_I32 PSEUDO!",
2561 [(set GPR:$dst, (atomic_load_nand_32 GPR:$ptr, GPR:$incr))]>;
2563 def ATOMIC_SWAP_I8 : PseudoInst<
2564 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
2565 "${:comment} ATOMIC_SWAP_I8 PSEUDO!",
2566 [(set GPR:$dst, (atomic_swap_8 GPR:$ptr, GPR:$new))]>;
2567 def ATOMIC_SWAP_I16 : PseudoInst<
2568 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
2569 "${:comment} ATOMIC_SWAP_I16 PSEUDO!",
2570 [(set GPR:$dst, (atomic_swap_16 GPR:$ptr, GPR:$new))]>;
2571 def ATOMIC_SWAP_I32 : PseudoInst<
2572 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
2573 "${:comment} ATOMIC_SWAP_I32 PSEUDO!",
2574 [(set GPR:$dst, (atomic_swap_32 GPR:$ptr, GPR:$new))]>;
2576 def ATOMIC_CMP_SWAP_I8 : PseudoInst<
2577 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
2578 "${:comment} ATOMIC_CMP_SWAP_I8 PSEUDO!",
2579 [(set GPR:$dst, (atomic_cmp_swap_8 GPR:$ptr, GPR:$old, GPR:$new))]>;
2580 def ATOMIC_CMP_SWAP_I16 : PseudoInst<
2581 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
2582 "${:comment} ATOMIC_CMP_SWAP_I16 PSEUDO!",
2583 [(set GPR:$dst, (atomic_cmp_swap_16 GPR:$ptr, GPR:$old, GPR:$new))]>;
2584 def ATOMIC_CMP_SWAP_I32 : PseudoInst<
2585 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
2586 "${:comment} ATOMIC_CMP_SWAP_I32 PSEUDO!",
2587 [(set GPR:$dst, (atomic_cmp_swap_32 GPR:$ptr, GPR:$old, GPR:$new))]>;
2591 let mayLoad = 1 in {
2592 def LDREXB : AIldrex<0b10, (outs GPR:$dest), (ins GPR:$ptr), NoItinerary,
2593 "ldrexb", "\t$dest, [$ptr]",
2595 def LDREXH : AIldrex<0b11, (outs GPR:$dest), (ins GPR:$ptr), NoItinerary,
2596 "ldrexh", "\t$dest, [$ptr]",
2598 def LDREX : AIldrex<0b00, (outs GPR:$dest), (ins GPR:$ptr), NoItinerary,
2599 "ldrex", "\t$dest, [$ptr]",
2601 def LDREXD : AIldrex<0b01, (outs GPR:$dest, GPR:$dest2), (ins GPR:$ptr),
2603 "ldrexd", "\t$dest, $dest2, [$ptr]",
2607 let mayStore = 1, Constraints = "@earlyclobber $success" in {
2608 def STREXB : AIstrex<0b10, (outs GPR:$success), (ins GPR:$src, GPR:$ptr),
2610 "strexb", "\t$success, $src, [$ptr]",
2612 def STREXH : AIstrex<0b11, (outs GPR:$success), (ins GPR:$src, GPR:$ptr),
2614 "strexh", "\t$success, $src, [$ptr]",
2616 def STREX : AIstrex<0b00, (outs GPR:$success), (ins GPR:$src, GPR:$ptr),
2618 "strex", "\t$success, $src, [$ptr]",
2620 def STREXD : AIstrex<0b01, (outs GPR:$success),
2621 (ins GPR:$src, GPR:$src2, GPR:$ptr),
2623 "strexd", "\t$success, $src, $src2, [$ptr]",
2627 // Clear-Exclusive is for disassembly only.
2628 def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex",
2629 [/* For disassembly only; pattern left blank */]>,
2630 Requires<[IsARM, HasV7]> {
2631 let Inst{31-20} = 0xf57;
2632 let Inst{7-4} = 0b0001;
2635 // SWP/SWPB are deprecated in V6/V7 and for disassembly only.
2636 let mayLoad = 1 in {
2637 def SWP : AI<(outs GPR:$dst), (ins GPR:$src, GPR:$ptr), LdStExFrm, NoItinerary,
2638 "swp", "\t$dst, $src, [$ptr]",
2639 [/* For disassembly only; pattern left blank */]> {
2640 let Inst{27-23} = 0b00010;
2641 let Inst{22} = 0; // B = 0
2642 let Inst{21-20} = 0b00;
2643 let Inst{7-4} = 0b1001;
2646 def SWPB : AI<(outs GPR:$dst), (ins GPR:$src, GPR:$ptr), LdStExFrm, NoItinerary,
2647 "swpb", "\t$dst, $src, [$ptr]",
2648 [/* For disassembly only; pattern left blank */]> {
2649 let Inst{27-23} = 0b00010;
2650 let Inst{22} = 1; // B = 1
2651 let Inst{21-20} = 0b00;
2652 let Inst{7-4} = 0b1001;
2656 //===----------------------------------------------------------------------===//
2660 // __aeabi_read_tp preserves the registers r1-r3.
2662 Defs = [R0, R12, LR, CPSR] in {
2663 def TPsoft : ABXI<0b1011, (outs), (ins), IIC_Br,
2664 "bl\t__aeabi_read_tp",
2665 [(set R0, ARMthread_pointer)]>;
2668 //===----------------------------------------------------------------------===//
2669 // SJLJ Exception handling intrinsics
2670 // eh_sjlj_setjmp() is an instruction sequence to store the return
2671 // address and save #0 in R0 for the non-longjmp case.
2672 // Since by its nature we may be coming from some other function to get
2673 // here, and we're using the stack frame for the containing function to
2674 // save/restore registers, we can't keep anything live in regs across
2675 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
2676 // when we get here from a longjmp(). We force everthing out of registers
2677 // except for our own input by listing the relevant registers in Defs. By
2678 // doing so, we also cause the prologue/epilogue code to actively preserve
2679 // all of the callee-saved resgisters, which is exactly what we want.
2680 // A constant value is passed in $val, and we use the location as a scratch.
2682 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, D0,
2683 D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15,
2684 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26, D27, D28, D29, D30,
2685 D31 ], hasSideEffects = 1, isBarrier = 1 in {
2686 def Int_eh_sjlj_setjmp : XI<(outs), (ins GPR:$src, GPR:$val),
2687 AddrModeNone, SizeSpecial, IndexModeNone,
2688 Pseudo, NoItinerary,
2689 "add\t$val, pc, #8\t${:comment} eh_setjmp begin\n\t"
2690 "str\t$val, [$src, #+4]\n\t"
2692 "add\tpc, pc, #0\n\t"
2693 "mov\tr0, #1 ${:comment} eh_setjmp end", "",
2694 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
2695 Requires<[IsARM, HasVFP2]>;
2699 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR ],
2700 hasSideEffects = 1, isBarrier = 1 in {
2701 def Int_eh_sjlj_setjmp_nofp : XI<(outs), (ins GPR:$src, GPR:$val),
2702 AddrModeNone, SizeSpecial, IndexModeNone,
2703 Pseudo, NoItinerary,
2704 "add\t$val, pc, #8\n ${:comment} eh_setjmp begin\n\t"
2705 "str\t$val, [$src, #+4]\n\t"
2707 "add\tpc, pc, #0\n\t"
2708 "mov\tr0, #1 ${:comment} eh_setjmp end", "",
2709 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
2710 Requires<[IsARM, NoVFP]>;
2713 // FIXME: Non-Darwin version(s)
2714 let isBarrier = 1, hasSideEffects = 1, isTerminator = 1,
2715 Defs = [ R7, LR, SP ] in {
2716 def Int_eh_sjlj_longjmp : XI<(outs), (ins GPR:$src, GPR:$scratch),
2717 AddrModeNone, SizeSpecial, IndexModeNone,
2718 Pseudo, NoItinerary,
2719 "ldr\tsp, [$src, #8]\n\t"
2720 "ldr\t$scratch, [$src, #4]\n\t"
2721 "ldr\tr7, [$src]\n\t"
2723 [(ARMeh_sjlj_longjmp GPR:$src, GPR:$scratch)]>,
2724 Requires<[IsARM, IsDarwin]>;
2727 //===----------------------------------------------------------------------===//
2728 // Non-Instruction Patterns
2731 // Large immediate handling.
2733 // Two piece so_imms.
2734 let isReMaterializable = 1 in
2735 def MOVi2pieces : AI1x2<(outs GPR:$dst), (ins so_imm2part:$src),
2737 "mov", "\t$dst, $src",
2738 [(set GPR:$dst, so_imm2part:$src)]>,
2739 Requires<[IsARM, NoV6T2]>;
2741 def : ARMPat<(or GPR:$LHS, so_imm2part:$RHS),
2742 (ORRri (ORRri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
2743 (so_imm2part_2 imm:$RHS))>;
2744 def : ARMPat<(xor GPR:$LHS, so_imm2part:$RHS),
2745 (EORri (EORri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
2746 (so_imm2part_2 imm:$RHS))>;
2747 def : ARMPat<(add GPR:$LHS, so_imm2part:$RHS),
2748 (ADDri (ADDri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
2749 (so_imm2part_2 imm:$RHS))>;
2750 def : ARMPat<(add GPR:$LHS, so_neg_imm2part:$RHS),
2751 (SUBri (SUBri GPR:$LHS, (so_neg_imm2part_1 imm:$RHS)),
2752 (so_neg_imm2part_2 imm:$RHS))>;
2754 // 32-bit immediate using movw + movt.
2755 // This is a single pseudo instruction, the benefit is that it can be remat'd
2756 // as a single unit instead of having to handle reg inputs.
2757 // FIXME: Remove this when we can do generalized remat.
2758 let isReMaterializable = 1 in
2759 def MOVi32imm : AI1x2<(outs GPR:$dst), (ins i32imm:$src), Pseudo, IIC_iMOVi,
2760 "movw", "\t$dst, ${src:lo16}\n\tmovt${p}\t$dst, ${src:hi16}",
2761 [(set GPR:$dst, (i32 imm:$src))]>,
2762 Requires<[IsARM, HasV6T2]>;
2764 // ConstantPool, GlobalAddress, and JumpTable
2765 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>,
2766 Requires<[IsARM, DontUseMovt]>;
2767 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
2768 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
2769 Requires<[IsARM, UseMovt]>;
2770 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
2771 (LEApcrelJT tjumptable:$dst, imm:$id)>;
2773 // TODO: add,sub,and, 3-instr forms?
2776 def : ARMPat<(ARMtcret tcGPR:$dst),
2777 (TCRETURNri tcGPR:$dst)>, Requires<[IsDarwin]>;
2779 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
2780 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
2782 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
2783 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
2785 def : ARMPat<(ARMtcret tcGPR:$dst),
2786 (TCRETURNriND tcGPR:$dst)>, Requires<[IsNotDarwin]>;
2788 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
2789 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
2791 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
2792 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
2795 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>,
2796 Requires<[IsARM, IsNotDarwin]>;
2797 def : ARMPat<(ARMcall texternalsym:$func), (BLr9 texternalsym:$func)>,
2798 Requires<[IsARM, IsDarwin]>;
2800 // zextload i1 -> zextload i8
2801 def : ARMPat<(zextloadi1 addrmode2:$addr), (LDRB addrmode2:$addr)>;
2803 // extload -> zextload
2804 def : ARMPat<(extloadi1 addrmode2:$addr), (LDRB addrmode2:$addr)>;
2805 def : ARMPat<(extloadi8 addrmode2:$addr), (LDRB addrmode2:$addr)>;
2806 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
2808 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
2809 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
2812 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
2813 (sra (shl GPR:$b, (i32 16)), (i32 16))),
2814 (SMULBB GPR:$a, GPR:$b)>;
2815 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
2816 (SMULBB GPR:$a, GPR:$b)>;
2817 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
2818 (sra GPR:$b, (i32 16))),
2819 (SMULBT GPR:$a, GPR:$b)>;
2820 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
2821 (SMULBT GPR:$a, GPR:$b)>;
2822 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
2823 (sra (shl GPR:$b, (i32 16)), (i32 16))),
2824 (SMULTB GPR:$a, GPR:$b)>;
2825 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
2826 (SMULTB GPR:$a, GPR:$b)>;
2827 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
2829 (SMULWB GPR:$a, GPR:$b)>;
2830 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
2831 (SMULWB GPR:$a, GPR:$b)>;
2833 def : ARMV5TEPat<(add GPR:$acc,
2834 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
2835 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
2836 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
2837 def : ARMV5TEPat<(add GPR:$acc,
2838 (mul sext_16_node:$a, sext_16_node:$b)),
2839 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
2840 def : ARMV5TEPat<(add GPR:$acc,
2841 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
2842 (sra GPR:$b, (i32 16)))),
2843 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
2844 def : ARMV5TEPat<(add GPR:$acc,
2845 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
2846 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
2847 def : ARMV5TEPat<(add GPR:$acc,
2848 (mul (sra GPR:$a, (i32 16)),
2849 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
2850 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
2851 def : ARMV5TEPat<(add GPR:$acc,
2852 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
2853 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
2854 def : ARMV5TEPat<(add GPR:$acc,
2855 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
2857 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
2858 def : ARMV5TEPat<(add GPR:$acc,
2859 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
2860 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
2862 //===----------------------------------------------------------------------===//
2866 include "ARMInstrThumb.td"
2868 //===----------------------------------------------------------------------===//
2872 include "ARMInstrThumb2.td"
2874 //===----------------------------------------------------------------------===//
2875 // Floating Point Support
2878 include "ARMInstrVFP.td"
2880 //===----------------------------------------------------------------------===//
2881 // Advanced SIMD (NEON) Support
2884 include "ARMInstrNEON.td"
2886 //===----------------------------------------------------------------------===//
2887 // Coprocessor Instructions. For disassembly only.
2890 def CDP : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2891 nohash_imm:$CRd, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2892 NoItinerary, "cdp", "\tp$cop, $opc1, cr$CRd, cr$CRn, cr$CRm, $opc2",
2893 [/* For disassembly only; pattern left blank */]> {
2897 def CDP2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2898 nohash_imm:$CRd, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2899 NoItinerary, "cdp2\tp$cop, $opc1, cr$CRd, cr$CRn, cr$CRm, $opc2",
2900 [/* For disassembly only; pattern left blank */]> {
2901 let Inst{31-28} = 0b1111;
2905 class ACI<dag oops, dag iops, string opc, string asm>
2906 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, BrFrm, NoItinerary,
2907 opc, asm, "", [/* For disassembly only; pattern left blank */]> {
2908 let Inst{27-25} = 0b110;
2911 multiclass LdStCop<bits<4> op31_28, bit load, string opc> {
2913 def _OFFSET : ACI<(outs),
2914 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
2915 opc, "\tp$cop, cr$CRd, $addr"> {
2916 let Inst{31-28} = op31_28;
2917 let Inst{24} = 1; // P = 1
2918 let Inst{21} = 0; // W = 0
2919 let Inst{22} = 0; // D = 0
2920 let Inst{20} = load;
2923 def _PRE : ACI<(outs),
2924 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
2925 opc, "\tp$cop, cr$CRd, $addr!"> {
2926 let Inst{31-28} = op31_28;
2927 let Inst{24} = 1; // P = 1
2928 let Inst{21} = 1; // W = 1
2929 let Inst{22} = 0; // D = 0
2930 let Inst{20} = load;
2933 def _POST : ACI<(outs),
2934 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
2935 opc, "\tp$cop, cr$CRd, [$base], $offset"> {
2936 let Inst{31-28} = op31_28;
2937 let Inst{24} = 0; // P = 0
2938 let Inst{21} = 1; // W = 1
2939 let Inst{22} = 0; // D = 0
2940 let Inst{20} = load;
2943 def _OPTION : ACI<(outs),
2944 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, i32imm:$option),
2945 opc, "\tp$cop, cr$CRd, [$base], $option"> {
2946 let Inst{31-28} = op31_28;
2947 let Inst{24} = 0; // P = 0
2948 let Inst{23} = 1; // U = 1
2949 let Inst{21} = 0; // W = 0
2950 let Inst{22} = 0; // D = 0
2951 let Inst{20} = load;
2954 def L_OFFSET : ACI<(outs),
2955 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
2956 !strconcat(opc, "l"), "\tp$cop, cr$CRd, $addr"> {
2957 let Inst{31-28} = op31_28;
2958 let Inst{24} = 1; // P = 1
2959 let Inst{21} = 0; // W = 0
2960 let Inst{22} = 1; // D = 1
2961 let Inst{20} = load;
2964 def L_PRE : ACI<(outs),
2965 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
2966 !strconcat(opc, "l"), "\tp$cop, cr$CRd, $addr!"> {
2967 let Inst{31-28} = op31_28;
2968 let Inst{24} = 1; // P = 1
2969 let Inst{21} = 1; // W = 1
2970 let Inst{22} = 1; // D = 1
2971 let Inst{20} = load;
2974 def L_POST : ACI<(outs),
2975 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
2976 !strconcat(opc, "l"), "\tp$cop, cr$CRd, [$base], $offset"> {
2977 let Inst{31-28} = op31_28;
2978 let Inst{24} = 0; // P = 0
2979 let Inst{21} = 1; // W = 1
2980 let Inst{22} = 1; // D = 1
2981 let Inst{20} = load;
2984 def L_OPTION : ACI<(outs),
2985 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, nohash_imm:$option),
2986 !strconcat(opc, "l"), "\tp$cop, cr$CRd, [$base], $option"> {
2987 let Inst{31-28} = op31_28;
2988 let Inst{24} = 0; // P = 0
2989 let Inst{23} = 1; // U = 1
2990 let Inst{21} = 0; // W = 0
2991 let Inst{22} = 1; // D = 1
2992 let Inst{20} = load;
2996 defm LDC : LdStCop<{?,?,?,?}, 1, "ldc">;
2997 defm LDC2 : LdStCop<0b1111, 1, "ldc2">;
2998 defm STC : LdStCop<{?,?,?,?}, 0, "stc">;
2999 defm STC2 : LdStCop<0b1111, 0, "stc2">;
3001 def MCR : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3002 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3003 NoItinerary, "mcr", "\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3004 [/* For disassembly only; pattern left blank */]> {
3009 def MCR2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3010 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3011 NoItinerary, "mcr2\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3012 [/* For disassembly only; pattern left blank */]> {
3013 let Inst{31-28} = 0b1111;
3018 def MRC : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3019 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3020 NoItinerary, "mrc", "\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3021 [/* For disassembly only; pattern left blank */]> {
3026 def MRC2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3027 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3028 NoItinerary, "mrc2\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3029 [/* For disassembly only; pattern left blank */]> {
3030 let Inst{31-28} = 0b1111;
3035 def MCRR : ABI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3036 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3037 NoItinerary, "mcrr", "\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3038 [/* For disassembly only; pattern left blank */]> {
3039 let Inst{23-20} = 0b0100;
3042 def MCRR2 : ABXI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3043 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3044 NoItinerary, "mcrr2\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3045 [/* For disassembly only; pattern left blank */]> {
3046 let Inst{31-28} = 0b1111;
3047 let Inst{23-20} = 0b0100;
3050 def MRRC : ABI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3051 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3052 NoItinerary, "mrrc", "\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3053 [/* For disassembly only; pattern left blank */]> {
3054 let Inst{23-20} = 0b0101;
3057 def MRRC2 : ABXI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3058 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3059 NoItinerary, "mrrc2\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3060 [/* For disassembly only; pattern left blank */]> {
3061 let Inst{31-28} = 0b1111;
3062 let Inst{23-20} = 0b0101;
3065 //===----------------------------------------------------------------------===//
3066 // Move between special register and ARM core register -- for disassembly only
3069 def MRS : ABI<0b0001,(outs GPR:$dst),(ins), NoItinerary, "mrs", "\t$dst, cpsr",
3070 [/* For disassembly only; pattern left blank */]> {
3071 let Inst{23-20} = 0b0000;
3072 let Inst{7-4} = 0b0000;
3075 def MRSsys : ABI<0b0001,(outs GPR:$dst),(ins), NoItinerary,"mrs","\t$dst, spsr",
3076 [/* For disassembly only; pattern left blank */]> {
3077 let Inst{23-20} = 0b0100;
3078 let Inst{7-4} = 0b0000;
3081 def MSR : ABI<0b0001, (outs), (ins GPR:$src, msr_mask:$mask), NoItinerary,
3082 "msr", "\tcpsr$mask, $src",
3083 [/* For disassembly only; pattern left blank */]> {
3084 let Inst{23-20} = 0b0010;
3085 let Inst{7-4} = 0b0000;
3088 def MSRi : ABI<0b0011, (outs), (ins so_imm:$a, msr_mask:$mask), NoItinerary,
3089 "msr", "\tcpsr$mask, $a",
3090 [/* For disassembly only; pattern left blank */]> {
3091 let Inst{23-20} = 0b0010;
3092 let Inst{7-4} = 0b0000;
3095 def MSRsys : ABI<0b0001, (outs), (ins GPR:$src, msr_mask:$mask), NoItinerary,
3096 "msr", "\tspsr$mask, $src",
3097 [/* For disassembly only; pattern left blank */]> {
3098 let Inst{23-20} = 0b0110;
3099 let Inst{7-4} = 0b0000;
3102 def MSRsysi : ABI<0b0011, (outs), (ins so_imm:$a, msr_mask:$mask), NoItinerary,
3103 "msr", "\tspsr$mask, $a",
3104 [/* For disassembly only; pattern left blank */]> {
3105 let Inst{23-20} = 0b0110;
3106 let Inst{7-4} = 0b0000;