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_ext_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_ext_rrot<bits<8> opcod, string opc, PatFrag opnode> {
541 def r : AExtI<opcod, (outs GPR:$dst), (ins GPR:$src),
542 IIC_iEXTr, 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_iEXTr, 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_ext_rrot_np<bits<8> opcod, string opc> {
557 def r : AExtI<opcod, (outs GPR:$dst), (ins GPR:$src),
558 IIC_iEXTr, 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_iEXTr, opc, "\t$dst, $src, ror $rot",
566 [/* For disassembly only; pattern left blank */]>,
567 Requires<[IsARM, HasV6]> {
568 let Inst{19-16} = 0b1111;
572 /// AI_exta_rrot - A binary operation with two forms: one whose operand is a
573 /// register and one whose operand is a register rotated by 8/16/24.
574 multiclass AI_exta_rrot<bits<8> opcod, string opc, PatFrag opnode> {
575 def rr : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS),
576 IIC_iEXTAr, 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:$RHS,
583 IIC_iEXTAr, opc, "\t$dst, $LHS, $RHS, ror $rot",
584 [(set GPR:$dst, (opnode GPR:$LHS,
585 (rotr GPR:$RHS, rot_imm:$rot)))]>,
586 Requires<[IsARM, HasV6]>;
589 // For disassembly only.
590 multiclass AI_exta_rrot_np<bits<8> opcod, string opc> {
591 def rr : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS),
592 IIC_iEXTAr, 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_iEXTAr, 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$opt",
811 [/* For disassembly only; pattern left blank */]>,
812 Requires<[IsARM, HasV7]> {
813 let Inst{27-16} = 0b001100100000;
814 let Inst{7-4} = 0b1111;
817 // A5.4 Permanently UNDEFINED instructions.
818 let isBarrier = 1, isTerminator = 1 in
819 def TRAP : AXI<(outs), (ins), MiscFrm, NoItinerary,
822 let Inst{27-25} = 0b011;
823 let Inst{24-20} = 0b11111;
824 let Inst{7-5} = 0b111;
828 // Address computation and loads and stores in PIC mode.
829 let isNotDuplicable = 1 in {
830 def PICADD : AXI1<0b0100, (outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
831 Pseudo, IIC_iALUr, "\n$cp:\n\tadd$p\t$dst, pc, $a",
832 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
834 let AddedComplexity = 10 in {
835 def PICLDR : AXI2ldw<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
836 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldr$p\t$dst, $addr",
837 [(set GPR:$dst, (load addrmodepc:$addr))]>;
839 def PICLDRH : AXI3ldh<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
840 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldrh${p}\t$dst, $addr",
841 [(set GPR:$dst, (zextloadi16 addrmodepc:$addr))]>;
843 def PICLDRB : AXI2ldb<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
844 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldrb${p}\t$dst, $addr",
845 [(set GPR:$dst, (zextloadi8 addrmodepc:$addr))]>;
847 def PICLDRSH : AXI3ldsh<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
848 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldrsh${p}\t$dst, $addr",
849 [(set GPR:$dst, (sextloadi16 addrmodepc:$addr))]>;
851 def PICLDRSB : AXI3ldsb<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
852 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldrsb${p}\t$dst, $addr",
853 [(set GPR:$dst, (sextloadi8 addrmodepc:$addr))]>;
855 let AddedComplexity = 10 in {
856 def PICSTR : AXI2stw<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
857 Pseudo, IIC_iStorer, "\n${addr:label}:\n\tstr$p\t$src, $addr",
858 [(store GPR:$src, addrmodepc:$addr)]>;
860 def PICSTRH : AXI3sth<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
861 Pseudo, IIC_iStorer, "\n${addr:label}:\n\tstrh${p}\t$src, $addr",
862 [(truncstorei16 GPR:$src, addrmodepc:$addr)]>;
864 def PICSTRB : AXI2stb<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
865 Pseudo, IIC_iStorer, "\n${addr:label}:\n\tstrb${p}\t$src, $addr",
866 [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
868 } // isNotDuplicable = 1
871 // LEApcrel - Load a pc-relative address into a register without offending the
873 let neverHasSideEffects = 1 in {
874 let isReMaterializable = 1 in
875 def LEApcrel : AXI1<0x0, (outs GPR:$dst), (ins i32imm:$label, pred:$p),
877 "adr$p\t$dst, #$label", []>;
879 } // neverHasSideEffects
880 def LEApcrelJT : AXI1<0x0, (outs GPR:$dst),
881 (ins i32imm:$label, nohash_imm:$id, pred:$p),
883 "adr$p\t$dst, #${label}_${id}", []> {
887 //===----------------------------------------------------------------------===//
888 // Control Flow Instructions.
891 let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
893 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
894 "bx", "\tlr", [(ARMretflag)]>,
895 Requires<[IsARM, HasV4T]> {
896 let Inst{3-0} = 0b1110;
897 let Inst{7-4} = 0b0001;
898 let Inst{19-8} = 0b111111111111;
899 let Inst{27-20} = 0b00010010;
903 def MOVPCLR : AI<(outs), (ins), BrMiscFrm, IIC_Br,
904 "mov", "\tpc, lr", [(ARMretflag)]>,
905 Requires<[IsARM, NoV4T]> {
906 let Inst{11-0} = 0b000000001110;
907 let Inst{15-12} = 0b1111;
908 let Inst{19-16} = 0b0000;
909 let Inst{27-20} = 0b00011010;
914 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
916 def BRIND : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
918 Requires<[IsARM, HasV4T]> {
919 let Inst{7-4} = 0b0001;
920 let Inst{19-8} = 0b111111111111;
921 let Inst{27-20} = 0b00010010;
922 let Inst{31-28} = 0b1110;
926 def MOVPCRX : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "mov\tpc, $dst",
928 Requires<[IsARM, NoV4T]> {
929 let Inst{11-4} = 0b00000000;
930 let Inst{15-12} = 0b1111;
931 let Inst{19-16} = 0b0000;
932 let Inst{27-20} = 0b00011010;
933 let Inst{31-28} = 0b1110;
937 // FIXME: remove when we have a way to marking a MI with these properties.
938 // FIXME: Should pc be an implicit operand like PICADD, etc?
939 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
940 hasExtraDefRegAllocReq = 1 in
941 def LDM_RET : AXI4ld<(outs GPR:$wb), (ins addrmode4:$addr, pred:$p,
942 reglist:$dsts, variable_ops),
943 IndexModeUpd, LdStMulFrm, IIC_iLoadmBr,
944 "ldm${addr:submode}${p}\t$addr!, $dsts",
945 "$addr.addr = $wb", []>;
947 // On non-Darwin platforms R9 is callee-saved.
949 Defs = [R0, R1, R2, R3, R12, LR,
950 D0, D1, D2, D3, D4, D5, D6, D7,
951 D16, D17, D18, D19, D20, D21, D22, D23,
952 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR] in {
953 def BL : ABXI<0b1011, (outs), (ins i32imm:$func, variable_ops),
954 IIC_Br, "bl\t${func:call}",
955 [(ARMcall tglobaladdr:$func)]>,
956 Requires<[IsARM, IsNotDarwin]> {
957 let Inst{31-28} = 0b1110;
960 def BL_pred : ABI<0b1011, (outs), (ins i32imm:$func, variable_ops),
961 IIC_Br, "bl", "\t${func:call}",
962 [(ARMcall_pred tglobaladdr:$func)]>,
963 Requires<[IsARM, IsNotDarwin]>;
966 def BLX : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
967 IIC_Br, "blx\t$func",
968 [(ARMcall GPR:$func)]>,
969 Requires<[IsARM, HasV5T, IsNotDarwin]> {
970 let Inst{7-4} = 0b0011;
971 let Inst{19-8} = 0b111111111111;
972 let Inst{27-20} = 0b00010010;
976 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
977 def BX : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
978 IIC_Br, "mov\tlr, pc\n\tbx\t$func",
979 [(ARMcall_nolink tGPR:$func)]>,
980 Requires<[IsARM, HasV4T, IsNotDarwin]> {
981 let Inst{7-4} = 0b0001;
982 let Inst{19-8} = 0b111111111111;
983 let Inst{27-20} = 0b00010010;
987 def BMOVPCRX : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
988 IIC_Br, "mov\tlr, pc\n\tmov\tpc, $func",
989 [(ARMcall_nolink tGPR:$func)]>,
990 Requires<[IsARM, NoV4T, IsNotDarwin]> {
991 let Inst{11-4} = 0b00000000;
992 let Inst{15-12} = 0b1111;
993 let Inst{19-16} = 0b0000;
994 let Inst{27-20} = 0b00011010;
998 // On Darwin R9 is call-clobbered.
1000 Defs = [R0, R1, R2, R3, R9, R12, LR,
1001 D0, D1, D2, D3, D4, D5, D6, D7,
1002 D16, D17, D18, D19, D20, D21, D22, D23,
1003 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR] in {
1004 def BLr9 : ABXI<0b1011, (outs), (ins i32imm:$func, variable_ops),
1005 IIC_Br, "bl\t${func:call}",
1006 [(ARMcall tglobaladdr:$func)]>, Requires<[IsARM, IsDarwin]> {
1007 let Inst{31-28} = 0b1110;
1010 def BLr9_pred : ABI<0b1011, (outs), (ins i32imm:$func, variable_ops),
1011 IIC_Br, "bl", "\t${func:call}",
1012 [(ARMcall_pred tglobaladdr:$func)]>,
1013 Requires<[IsARM, IsDarwin]>;
1016 def BLXr9 : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1017 IIC_Br, "blx\t$func",
1018 [(ARMcall GPR:$func)]>, Requires<[IsARM, HasV5T, IsDarwin]> {
1019 let Inst{7-4} = 0b0011;
1020 let Inst{19-8} = 0b111111111111;
1021 let Inst{27-20} = 0b00010010;
1025 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1026 def BXr9 : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1027 IIC_Br, "mov\tlr, pc\n\tbx\t$func",
1028 [(ARMcall_nolink tGPR:$func)]>,
1029 Requires<[IsARM, HasV4T, IsDarwin]> {
1030 let Inst{7-4} = 0b0001;
1031 let Inst{19-8} = 0b111111111111;
1032 let Inst{27-20} = 0b00010010;
1036 def BMOVPCRXr9 : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1037 IIC_Br, "mov\tlr, pc\n\tmov\tpc, $func",
1038 [(ARMcall_nolink tGPR:$func)]>,
1039 Requires<[IsARM, NoV4T, IsDarwin]> {
1040 let Inst{11-4} = 0b00000000;
1041 let Inst{15-12} = 0b1111;
1042 let Inst{19-16} = 0b0000;
1043 let Inst{27-20} = 0b00011010;
1049 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in {
1051 let Defs = [R0, R1, R2, R3, R9, R12,
1052 D0, D1, D2, D3, D4, D5, D6, D7,
1053 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26,
1054 D27, D28, D29, D30, D31, PC],
1056 def TCRETURNdi : AInoP<(outs), (ins i32imm:$dst, variable_ops),
1058 "@TC_RETURN","\t$dst", []>, Requires<[IsDarwin]>;
1060 def TCRETURNri : AInoP<(outs), (ins tcGPR:$dst, variable_ops),
1062 "@TC_RETURN","\t$dst", []>, Requires<[IsDarwin]>;
1064 def TAILJMPd : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1065 IIC_Br, "b\t$dst @ TAILCALL",
1066 []>, Requires<[IsDarwin]>;
1068 def TAILJMPdt: ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1069 IIC_Br, "b.w\t$dst @ TAILCALL",
1070 []>, Requires<[IsDarwin]>;
1072 def TAILJMPr : AXI<(outs), (ins tcGPR:$dst, variable_ops),
1073 BrMiscFrm, IIC_Br, "bx\t$dst @ TAILCALL",
1074 []>, Requires<[IsDarwin]> {
1075 let Inst{7-4} = 0b0001;
1076 let Inst{19-8} = 0b111111111111;
1077 let Inst{27-20} = 0b00010010;
1078 let Inst{31-28} = 0b1110;
1082 // Non-Darwin versions (the difference is R9).
1083 let Defs = [R0, R1, R2, R3, R12,
1084 D0, D1, D2, D3, D4, D5, D6, D7,
1085 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26,
1086 D27, D28, D29, D30, D31, PC],
1088 def TCRETURNdiND : AInoP<(outs), (ins i32imm:$dst, variable_ops),
1090 "@TC_RETURN","\t$dst", []>, Requires<[IsNotDarwin]>;
1092 def TCRETURNriND : AInoP<(outs), (ins tcGPR:$dst, variable_ops),
1094 "@TC_RETURN","\t$dst", []>, Requires<[IsNotDarwin]>;
1096 def TAILJMPdND : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1097 IIC_Br, "b\t$dst @ TAILCALL",
1098 []>, Requires<[IsARM, IsNotDarwin]>;
1100 def TAILJMPdNDt : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1101 IIC_Br, "b.w\t$dst @ TAILCALL",
1102 []>, Requires<[IsThumb, IsNotDarwin]>;
1104 def TAILJMPrND : AXI<(outs), (ins tcGPR:$dst, variable_ops),
1105 BrMiscFrm, IIC_Br, "bx\t$dst @ TAILCALL",
1106 []>, Requires<[IsNotDarwin]> {
1107 let Inst{7-4} = 0b0001;
1108 let Inst{19-8} = 0b111111111111;
1109 let Inst{27-20} = 0b00010010;
1110 let Inst{31-28} = 0b1110;
1115 let isBranch = 1, isTerminator = 1 in {
1116 // B is "predicable" since it can be xformed into a Bcc.
1117 let isBarrier = 1 in {
1118 let isPredicable = 1 in
1119 def B : ABXI<0b1010, (outs), (ins brtarget:$target), IIC_Br,
1120 "b\t$target", [(br bb:$target)]>;
1122 let isNotDuplicable = 1, isIndirectBranch = 1 in {
1123 def BR_JTr : JTI<(outs), (ins GPR:$target, jtblock_operand:$jt, i32imm:$id),
1124 IIC_Br, "mov\tpc, $target$jt",
1125 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]> {
1126 let Inst{11-4} = 0b00000000;
1127 let Inst{15-12} = 0b1111;
1128 let Inst{20} = 0; // S Bit
1129 let Inst{24-21} = 0b1101;
1130 let Inst{27-25} = 0b000;
1132 def BR_JTm : JTI<(outs),
1133 (ins addrmode2:$target, jtblock_operand:$jt, i32imm:$id),
1134 IIC_Br, "ldr\tpc, $target$jt",
1135 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
1137 let Inst{15-12} = 0b1111;
1138 let Inst{20} = 1; // L bit
1139 let Inst{21} = 0; // W bit
1140 let Inst{22} = 0; // B bit
1141 let Inst{24} = 1; // P bit
1142 let Inst{27-25} = 0b011;
1144 def BR_JTadd : JTI<(outs),
1145 (ins GPR:$target, GPR:$idx, jtblock_operand:$jt, i32imm:$id),
1146 IIC_Br, "add\tpc, $target, $idx$jt",
1147 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
1149 let Inst{15-12} = 0b1111;
1150 let Inst{20} = 0; // S bit
1151 let Inst{24-21} = 0b0100;
1152 let Inst{27-25} = 0b000;
1154 } // isNotDuplicable = 1, isIndirectBranch = 1
1157 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
1158 // a two-value operand where a dag node expects two operands. :(
1159 def Bcc : ABI<0b1010, (outs), (ins brtarget:$target),
1160 IIC_Br, "b", "\t$target",
1161 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]>;
1164 // Branch and Exchange Jazelle -- for disassembly only
1165 def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
1166 [/* For disassembly only; pattern left blank */]> {
1167 let Inst{23-20} = 0b0010;
1168 //let Inst{19-8} = 0xfff;
1169 let Inst{7-4} = 0b0010;
1172 // Secure Monitor Call is a system instruction -- for disassembly only
1173 def SMC : ABI<0b0001, (outs), (ins i32imm:$opt), NoItinerary, "smc", "\t$opt",
1174 [/* For disassembly only; pattern left blank */]> {
1175 let Inst{23-20} = 0b0110;
1176 let Inst{7-4} = 0b0111;
1179 // Supervisor Call (Software Interrupt) -- for disassembly only
1181 def SVC : ABI<0b1111, (outs), (ins i32imm:$svc), IIC_Br, "svc", "\t$svc",
1182 [/* For disassembly only; pattern left blank */]>;
1185 // Store Return State is a system instruction -- for disassembly only
1186 def SRSW : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, i32imm:$mode),
1187 NoItinerary, "srs${addr:submode}\tsp!, $mode",
1188 [/* For disassembly only; pattern left blank */]> {
1189 let Inst{31-28} = 0b1111;
1190 let Inst{22-20} = 0b110; // W = 1
1193 def SRS : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, i32imm:$mode),
1194 NoItinerary, "srs${addr:submode}\tsp, $mode",
1195 [/* For disassembly only; pattern left blank */]> {
1196 let Inst{31-28} = 0b1111;
1197 let Inst{22-20} = 0b100; // W = 0
1200 // Return From Exception is a system instruction -- for disassembly only
1201 def RFEW : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, GPR:$base),
1202 NoItinerary, "rfe${addr:submode}\t$base!",
1203 [/* For disassembly only; pattern left blank */]> {
1204 let Inst{31-28} = 0b1111;
1205 let Inst{22-20} = 0b011; // W = 1
1208 def RFE : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, GPR:$base),
1209 NoItinerary, "rfe${addr:submode}\t$base",
1210 [/* For disassembly only; pattern left blank */]> {
1211 let Inst{31-28} = 0b1111;
1212 let Inst{22-20} = 0b001; // W = 0
1215 //===----------------------------------------------------------------------===//
1216 // Load / store Instructions.
1220 let canFoldAsLoad = 1, isReMaterializable = 1 in
1221 def LDR : AI2ldw<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm, IIC_iLoadr,
1222 "ldr", "\t$dst, $addr",
1223 [(set GPR:$dst, (load addrmode2:$addr))]>;
1225 // Special LDR for loads from non-pc-relative constpools.
1226 let canFoldAsLoad = 1, mayLoad = 1, neverHasSideEffects = 1,
1227 isReMaterializable = 1 in
1228 def LDRcp : AI2ldw<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm, IIC_iLoadr,
1229 "ldr", "\t$dst, $addr", []>;
1231 // Loads with zero extension
1232 def LDRH : AI3ldh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
1233 IIC_iLoadr, "ldrh", "\t$dst, $addr",
1234 [(set GPR:$dst, (zextloadi16 addrmode3:$addr))]>;
1236 def LDRB : AI2ldb<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm,
1237 IIC_iLoadr, "ldrb", "\t$dst, $addr",
1238 [(set GPR:$dst, (zextloadi8 addrmode2:$addr))]>;
1240 // Loads with sign extension
1241 def LDRSH : AI3ldsh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
1242 IIC_iLoadr, "ldrsh", "\t$dst, $addr",
1243 [(set GPR:$dst, (sextloadi16 addrmode3:$addr))]>;
1245 def LDRSB : AI3ldsb<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
1246 IIC_iLoadr, "ldrsb", "\t$dst, $addr",
1247 [(set GPR:$dst, (sextloadi8 addrmode3:$addr))]>;
1249 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1 in {
1251 def LDRD : AI3ldd<(outs GPR:$dst1, GPR:$dst2), (ins addrmode3:$addr), LdMiscFrm,
1252 IIC_iLoadr, "ldrd", "\t$dst1, $addr",
1253 []>, Requires<[IsARM, HasV5TE]>;
1256 def LDR_PRE : AI2ldwpr<(outs GPR:$dst, GPR:$base_wb),
1257 (ins addrmode2:$addr), LdFrm, IIC_iLoadru,
1258 "ldr", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1260 def LDR_POST : AI2ldwpo<(outs GPR:$dst, GPR:$base_wb),
1261 (ins GPR:$base, am2offset:$offset), LdFrm, IIC_iLoadru,
1262 "ldr", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1264 def LDRH_PRE : AI3ldhpr<(outs GPR:$dst, GPR:$base_wb),
1265 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadru,
1266 "ldrh", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1268 def LDRH_POST : AI3ldhpo<(outs GPR:$dst, GPR:$base_wb),
1269 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1270 "ldrh", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1272 def LDRB_PRE : AI2ldbpr<(outs GPR:$dst, GPR:$base_wb),
1273 (ins addrmode2:$addr), LdFrm, IIC_iLoadru,
1274 "ldrb", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1276 def LDRB_POST : AI2ldbpo<(outs GPR:$dst, GPR:$base_wb),
1277 (ins GPR:$base,am2offset:$offset), LdFrm, IIC_iLoadru,
1278 "ldrb", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1280 def LDRSH_PRE : AI3ldshpr<(outs GPR:$dst, GPR:$base_wb),
1281 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadru,
1282 "ldrsh", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1284 def LDRSH_POST: AI3ldshpo<(outs GPR:$dst, GPR:$base_wb),
1285 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1286 "ldrsh", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1288 def LDRSB_PRE : AI3ldsbpr<(outs GPR:$dst, GPR:$base_wb),
1289 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadru,
1290 "ldrsb", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1292 def LDRSB_POST: AI3ldsbpo<(outs GPR:$dst, GPR:$base_wb),
1293 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1294 "ldrsb", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1296 // For disassembly only
1297 def LDRD_PRE : AI3lddpr<(outs GPR:$dst1, GPR:$dst2, GPR:$base_wb),
1298 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadr,
1299 "ldrd", "\t$dst1, $dst2, $addr!", "$addr.base = $base_wb", []>,
1300 Requires<[IsARM, HasV5TE]>;
1302 // For disassembly only
1303 def LDRD_POST : AI3lddpo<(outs GPR:$dst1, GPR:$dst2, GPR:$base_wb),
1304 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadr,
1305 "ldrd", "\t$dst1, $dst2, [$base], $offset", "$base = $base_wb", []>,
1306 Requires<[IsARM, HasV5TE]>;
1308 } // mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1
1310 // LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT are for disassembly only.
1312 def LDRT : AI2ldwpo<(outs GPR:$dst, GPR:$base_wb),
1313 (ins GPR:$base, am2offset:$offset), LdFrm, IIC_iLoadru,
1314 "ldrt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1315 let Inst{21} = 1; // overwrite
1318 def LDRBT : AI2ldbpo<(outs GPR:$dst, GPR:$base_wb),
1319 (ins GPR:$base,am2offset:$offset), LdFrm, IIC_iLoadru,
1320 "ldrbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1321 let Inst{21} = 1; // overwrite
1324 def LDRSBT : AI3ldsbpo<(outs GPR:$dst, GPR:$base_wb),
1325 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1326 "ldrsbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1327 let Inst{21} = 1; // overwrite
1330 def LDRHT : AI3ldhpo<(outs GPR:$dst, GPR:$base_wb),
1331 (ins GPR:$base, am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1332 "ldrht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1333 let Inst{21} = 1; // overwrite
1336 def LDRSHT : AI3ldshpo<(outs GPR:$dst, GPR:$base_wb),
1337 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1338 "ldrsht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1339 let Inst{21} = 1; // overwrite
1343 def STR : AI2stw<(outs), (ins GPR:$src, addrmode2:$addr), StFrm, IIC_iStorer,
1344 "str", "\t$src, $addr",
1345 [(store GPR:$src, addrmode2:$addr)]>;
1347 // Stores with truncate
1348 def STRH : AI3sth<(outs), (ins GPR:$src, addrmode3:$addr), StMiscFrm,
1349 IIC_iStorer, "strh", "\t$src, $addr",
1350 [(truncstorei16 GPR:$src, addrmode3:$addr)]>;
1352 def STRB : AI2stb<(outs), (ins GPR:$src, addrmode2:$addr), StFrm, IIC_iStorer,
1353 "strb", "\t$src, $addr",
1354 [(truncstorei8 GPR:$src, addrmode2:$addr)]>;
1357 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in
1358 def STRD : AI3std<(outs), (ins GPR:$src1, GPR:$src2, addrmode3:$addr),
1359 StMiscFrm, IIC_iStorer,
1360 "strd", "\t$src1, $addr", []>, Requires<[IsARM, HasV5TE]>;
1363 def STR_PRE : AI2stwpr<(outs GPR:$base_wb),
1364 (ins GPR:$src, GPR:$base, am2offset:$offset),
1365 StFrm, IIC_iStoreru,
1366 "str", "\t$src, [$base, $offset]!", "$base = $base_wb",
1368 (pre_store GPR:$src, GPR:$base, am2offset:$offset))]>;
1370 def STR_POST : AI2stwpo<(outs GPR:$base_wb),
1371 (ins GPR:$src, GPR:$base,am2offset:$offset),
1372 StFrm, IIC_iStoreru,
1373 "str", "\t$src, [$base], $offset", "$base = $base_wb",
1375 (post_store GPR:$src, GPR:$base, am2offset:$offset))]>;
1377 def STRH_PRE : AI3sthpr<(outs GPR:$base_wb),
1378 (ins GPR:$src, GPR:$base,am3offset:$offset),
1379 StMiscFrm, IIC_iStoreru,
1380 "strh", "\t$src, [$base, $offset]!", "$base = $base_wb",
1382 (pre_truncsti16 GPR:$src, GPR:$base,am3offset:$offset))]>;
1384 def STRH_POST: AI3sthpo<(outs GPR:$base_wb),
1385 (ins GPR:$src, GPR:$base,am3offset:$offset),
1386 StMiscFrm, IIC_iStoreru,
1387 "strh", "\t$src, [$base], $offset", "$base = $base_wb",
1388 [(set GPR:$base_wb, (post_truncsti16 GPR:$src,
1389 GPR:$base, am3offset:$offset))]>;
1391 def STRB_PRE : AI2stbpr<(outs GPR:$base_wb),
1392 (ins GPR:$src, GPR:$base,am2offset:$offset),
1393 StFrm, IIC_iStoreru,
1394 "strb", "\t$src, [$base, $offset]!", "$base = $base_wb",
1395 [(set GPR:$base_wb, (pre_truncsti8 GPR:$src,
1396 GPR:$base, am2offset:$offset))]>;
1398 def STRB_POST: AI2stbpo<(outs GPR:$base_wb),
1399 (ins GPR:$src, GPR:$base,am2offset:$offset),
1400 StFrm, IIC_iStoreru,
1401 "strb", "\t$src, [$base], $offset", "$base = $base_wb",
1402 [(set GPR:$base_wb, (post_truncsti8 GPR:$src,
1403 GPR:$base, am2offset:$offset))]>;
1405 // For disassembly only
1406 def STRD_PRE : AI3stdpr<(outs GPR:$base_wb),
1407 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1408 StMiscFrm, IIC_iStoreru,
1409 "strd", "\t$src1, $src2, [$base, $offset]!",
1410 "$base = $base_wb", []>;
1412 // For disassembly only
1413 def STRD_POST: AI3stdpo<(outs GPR:$base_wb),
1414 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1415 StMiscFrm, IIC_iStoreru,
1416 "strd", "\t$src1, $src2, [$base], $offset",
1417 "$base = $base_wb", []>;
1419 // STRT, STRBT, and STRHT are for disassembly only.
1421 def STRT : AI2stwpo<(outs GPR:$base_wb),
1422 (ins GPR:$src, GPR:$base,am2offset:$offset),
1423 StFrm, IIC_iStoreru,
1424 "strt", "\t$src, [$base], $offset", "$base = $base_wb",
1425 [/* For disassembly only; pattern left blank */]> {
1426 let Inst{21} = 1; // overwrite
1429 def STRBT : AI2stbpo<(outs GPR:$base_wb),
1430 (ins GPR:$src, GPR:$base,am2offset:$offset),
1431 StFrm, IIC_iStoreru,
1432 "strbt", "\t$src, [$base], $offset", "$base = $base_wb",
1433 [/* For disassembly only; pattern left blank */]> {
1434 let Inst{21} = 1; // overwrite
1437 def STRHT: AI3sthpo<(outs GPR:$base_wb),
1438 (ins GPR:$src, GPR:$base,am3offset:$offset),
1439 StMiscFrm, IIC_iStoreru,
1440 "strht", "\t$src, [$base], $offset", "$base = $base_wb",
1441 [/* For disassembly only; pattern left blank */]> {
1442 let Inst{21} = 1; // overwrite
1445 //===----------------------------------------------------------------------===//
1446 // Load / store multiple Instructions.
1449 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1 in {
1450 def LDM : AXI4ld<(outs), (ins addrmode4:$addr, pred:$p,
1451 reglist:$dsts, variable_ops),
1452 IndexModeNone, LdStMulFrm, IIC_iLoadm,
1453 "ldm${addr:submode}${p}\t$addr, $dsts", "", []>;
1455 def LDM_UPD : AXI4ld<(outs GPR:$wb), (ins addrmode4:$addr, pred:$p,
1456 reglist:$dsts, variable_ops),
1457 IndexModeUpd, LdStMulFrm, IIC_iLoadm,
1458 "ldm${addr:submode}${p}\t$addr!, $dsts",
1459 "$addr.addr = $wb", []>;
1460 } // mayLoad, neverHasSideEffects, hasExtraDefRegAllocReq
1462 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in {
1463 def STM : AXI4st<(outs), (ins addrmode4:$addr, pred:$p,
1464 reglist:$srcs, variable_ops),
1465 IndexModeNone, LdStMulFrm, IIC_iStorem,
1466 "stm${addr:submode}${p}\t$addr, $srcs", "", []>;
1468 def STM_UPD : AXI4st<(outs GPR:$wb), (ins addrmode4:$addr, pred:$p,
1469 reglist:$srcs, variable_ops),
1470 IndexModeUpd, LdStMulFrm, IIC_iStorem,
1471 "stm${addr:submode}${p}\t$addr!, $srcs",
1472 "$addr.addr = $wb", []>;
1473 } // mayStore, neverHasSideEffects, hasExtraSrcRegAllocReq
1475 //===----------------------------------------------------------------------===//
1476 // Move Instructions.
1479 let neverHasSideEffects = 1 in
1480 def MOVr : AsI1<0b1101, (outs GPR:$dst), (ins GPR:$src), DPFrm, IIC_iMOVr,
1481 "mov", "\t$dst, $src", []>, UnaryDP {
1482 let Inst{11-4} = 0b00000000;
1486 // A version for the smaller set of tail call registers.
1487 let neverHasSideEffects = 1 in
1488 def MOVr_TC : AsI1<0b1101, (outs tcGPR:$dst), (ins tcGPR:$src), DPFrm,
1489 IIC_iMOVr, "mov", "\t$dst, $src", []>, UnaryDP {
1490 let Inst{11-4} = 0b00000000;
1494 def MOVs : AsI1<0b1101, (outs GPR:$dst), (ins so_reg:$src),
1495 DPSoRegFrm, IIC_iMOVsr,
1496 "mov", "\t$dst, $src", [(set GPR:$dst, so_reg:$src)]>, UnaryDP {
1500 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
1501 def MOVi : AsI1<0b1101, (outs GPR:$dst), (ins so_imm:$src), DPFrm, IIC_iMOVi,
1502 "mov", "\t$dst, $src", [(set GPR:$dst, so_imm:$src)]>, UnaryDP {
1506 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
1507 def MOVi16 : AI1<0b1000, (outs GPR:$dst), (ins i32imm:$src),
1509 "movw", "\t$dst, $src",
1510 [(set GPR:$dst, imm0_65535:$src)]>,
1511 Requires<[IsARM, HasV6T2]>, UnaryDP {
1516 let Constraints = "$src = $dst" in
1517 def MOVTi16 : AI1<0b1010, (outs GPR:$dst), (ins GPR:$src, i32imm:$imm),
1519 "movt", "\t$dst, $imm",
1521 (or (and GPR:$src, 0xffff),
1522 lo16AllZero:$imm))]>, UnaryDP,
1523 Requires<[IsARM, HasV6T2]> {
1528 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
1529 Requires<[IsARM, HasV6T2]>;
1531 let Uses = [CPSR] in
1532 def MOVrx : AsI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo, IIC_iMOVsi,
1533 "mov", "\t$dst, $src, rrx",
1534 [(set GPR:$dst, (ARMrrx GPR:$src))]>, UnaryDP;
1536 // These aren't really mov instructions, but we have to define them this way
1537 // due to flag operands.
1539 let Defs = [CPSR] in {
1540 def MOVsrl_flag : AI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo,
1541 IIC_iMOVsi, "movs", "\t$dst, $src, lsr #1",
1542 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP;
1543 def MOVsra_flag : AI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo,
1544 IIC_iMOVsi, "movs", "\t$dst, $src, asr #1",
1545 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP;
1548 //===----------------------------------------------------------------------===//
1549 // Extend Instructions.
1554 defm SXTB : AI_ext_rrot<0b01101010,
1555 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
1556 defm SXTH : AI_ext_rrot<0b01101011,
1557 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
1559 defm SXTAB : AI_exta_rrot<0b01101010,
1560 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
1561 defm SXTAH : AI_exta_rrot<0b01101011,
1562 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
1564 // For disassembly only
1565 defm SXTB16 : AI_ext_rrot_np<0b01101000, "sxtb16">;
1567 // For disassembly only
1568 defm SXTAB16 : AI_exta_rrot_np<0b01101000, "sxtab16">;
1572 let AddedComplexity = 16 in {
1573 defm UXTB : AI_ext_rrot<0b01101110,
1574 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
1575 defm UXTH : AI_ext_rrot<0b01101111,
1576 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
1577 defm UXTB16 : AI_ext_rrot<0b01101100,
1578 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
1580 // FIXME: This pattern incorrectly assumes the shl operator is a rotate.
1581 // The transformation should probably be done as a combiner action
1582 // instead so we can include a check for masking back in the upper
1583 // eight bits of the source into the lower eight bits of the result.
1584 //def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
1585 // (UXTB16r_rot GPR:$Src, 24)>;
1586 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
1587 (UXTB16r_rot GPR:$Src, 8)>;
1589 defm UXTAB : AI_exta_rrot<0b01101110, "uxtab",
1590 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
1591 defm UXTAH : AI_exta_rrot<0b01101111, "uxtah",
1592 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
1595 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
1596 // For disassembly only
1597 defm UXTAB16 : AI_exta_rrot_np<0b01101100, "uxtab16">;
1600 def SBFX : I<(outs GPR:$dst),
1601 (ins GPR:$src, imm0_31:$lsb, imm0_31:$width),
1602 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iALUi,
1603 "sbfx", "\t$dst, $src, $lsb, $width", "", []>,
1604 Requires<[IsARM, HasV6T2]> {
1605 let Inst{27-21} = 0b0111101;
1606 let Inst{6-4} = 0b101;
1609 def UBFX : I<(outs GPR:$dst),
1610 (ins GPR:$src, imm0_31:$lsb, imm0_31:$width),
1611 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iALUi,
1612 "ubfx", "\t$dst, $src, $lsb, $width", "", []>,
1613 Requires<[IsARM, HasV6T2]> {
1614 let Inst{27-21} = 0b0111111;
1615 let Inst{6-4} = 0b101;
1618 //===----------------------------------------------------------------------===//
1619 // Arithmetic Instructions.
1622 defm ADD : AsI1_bin_irs<0b0100, "add",
1623 BinOpFrag<(add node:$LHS, node:$RHS)>, 1>;
1624 defm SUB : AsI1_bin_irs<0b0010, "sub",
1625 BinOpFrag<(sub node:$LHS, node:$RHS)>>;
1627 // ADD and SUB with 's' bit set.
1628 defm ADDS : AI1_bin_s_irs<0b0100, "adds",
1629 BinOpFrag<(addc node:$LHS, node:$RHS)>, 1>;
1630 defm SUBS : AI1_bin_s_irs<0b0010, "subs",
1631 BinOpFrag<(subc node:$LHS, node:$RHS)>>;
1633 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
1634 BinOpFrag<(adde_dead_carry node:$LHS, node:$RHS)>, 1>;
1635 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
1636 BinOpFrag<(sube_dead_carry node:$LHS, node:$RHS)>>;
1637 defm ADCS : AI1_adde_sube_s_irs<0b0101, "adcs",
1638 BinOpFrag<(adde_live_carry node:$LHS, node:$RHS)>, 1>;
1639 defm SBCS : AI1_adde_sube_s_irs<0b0110, "sbcs",
1640 BinOpFrag<(sube_live_carry node:$LHS, node:$RHS) >>;
1642 def RSBri : AsI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
1643 IIC_iALUi, "rsb", "\t$dst, $a, $b",
1644 [(set GPR:$dst, (sub so_imm:$b, GPR:$a))]> {
1648 // The reg/reg form is only defined for the disassembler; for codegen it is
1649 // equivalent to SUBrr.
1650 def RSBrr : AsI1<0b0011, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
1651 IIC_iALUr, "rsb", "\t$dst, $a, $b",
1652 [/* For disassembly only; pattern left blank */]> {
1654 let Inst{11-4} = 0b00000000;
1657 def RSBrs : AsI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
1658 IIC_iALUsr, "rsb", "\t$dst, $a, $b",
1659 [(set GPR:$dst, (sub so_reg:$b, GPR:$a))]> {
1663 // RSB with 's' bit set.
1664 let Defs = [CPSR] in {
1665 def RSBSri : AI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
1666 IIC_iALUi, "rsbs", "\t$dst, $a, $b",
1667 [(set GPR:$dst, (subc so_imm:$b, GPR:$a))]> {
1671 def RSBSrs : AI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
1672 IIC_iALUsr, "rsbs", "\t$dst, $a, $b",
1673 [(set GPR:$dst, (subc so_reg:$b, GPR:$a))]> {
1679 let Uses = [CPSR] in {
1680 def RSCri : AsI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
1681 DPFrm, IIC_iALUi, "rsc", "\t$dst, $a, $b",
1682 [(set GPR:$dst, (sube_dead_carry so_imm:$b, GPR:$a))]>,
1686 // The reg/reg form is only defined for the disassembler; for codegen it is
1687 // equivalent to SUBrr.
1688 def RSCrr : AsI1<0b0111, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1689 DPFrm, IIC_iALUr, "rsc", "\t$dst, $a, $b",
1690 [/* For disassembly only; pattern left blank */]> {
1692 let Inst{11-4} = 0b00000000;
1694 def RSCrs : AsI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
1695 DPSoRegFrm, IIC_iALUsr, "rsc", "\t$dst, $a, $b",
1696 [(set GPR:$dst, (sube_dead_carry so_reg:$b, GPR:$a))]>,
1702 // FIXME: Allow these to be predicated.
1703 let Defs = [CPSR], Uses = [CPSR] in {
1704 def RSCSri : AXI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
1705 DPFrm, IIC_iALUi, "rscs\t$dst, $a, $b",
1706 [(set GPR:$dst, (sube_dead_carry so_imm:$b, GPR:$a))]>,
1711 def RSCSrs : AXI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
1712 DPSoRegFrm, IIC_iALUsr, "rscs\t$dst, $a, $b",
1713 [(set GPR:$dst, (sube_dead_carry so_reg:$b, GPR:$a))]>,
1720 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
1721 // The assume-no-carry-in form uses the negation of the input since add/sub
1722 // assume opposite meanings of the carry flag (i.e., carry == !borrow).
1723 // See the definition of AddWithCarry() in the ARM ARM A2.2.1 for the gory
1725 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
1726 (SUBri GPR:$src, so_imm_neg:$imm)>;
1727 def : ARMPat<(addc GPR:$src, so_imm_neg:$imm),
1728 (SUBSri GPR:$src, so_imm_neg:$imm)>;
1729 // The with-carry-in form matches bitwise not instead of the negation.
1730 // Effectively, the inverse interpretation of the carry flag already accounts
1731 // for part of the negation.
1732 def : ARMPat<(adde GPR:$src, so_imm_not:$imm),
1733 (SBCri GPR:$src, so_imm_not:$imm)>;
1735 // Note: These are implemented in C++ code, because they have to generate
1736 // ADD/SUBrs instructions, which use a complex pattern that a xform function
1738 // (mul X, 2^n+1) -> (add (X << n), X)
1739 // (mul X, 2^n-1) -> (rsb X, (X << n))
1741 // ARM Arithmetic Instruction -- for disassembly only
1742 // GPR:$dst = GPR:$a op GPR:$b
1743 class AAI<bits<8> op27_20, bits<4> op7_4, string opc,
1744 list<dag> pattern = [/* For disassembly only; pattern left blank */]>
1745 : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm, IIC_iALUr,
1746 opc, "\t$dst, $a, $b", pattern> {
1747 let Inst{27-20} = op27_20;
1748 let Inst{7-4} = op7_4;
1751 // Saturating add/subtract -- for disassembly only
1753 def QADD : AAI<0b00010000, 0b0101, "qadd",
1754 [(set GPR:$dst, (int_arm_qadd GPR:$a, GPR:$b))]>;
1755 def QADD16 : AAI<0b01100010, 0b0001, "qadd16">;
1756 def QADD8 : AAI<0b01100010, 0b1001, "qadd8">;
1757 def QASX : AAI<0b01100010, 0b0011, "qasx">;
1758 def QDADD : AAI<0b00010100, 0b0101, "qdadd">;
1759 def QDSUB : AAI<0b00010110, 0b0101, "qdsub">;
1760 def QSAX : AAI<0b01100010, 0b0101, "qsax">;
1761 def QSUB : AAI<0b00010010, 0b0101, "qsub",
1762 [(set GPR:$dst, (int_arm_qsub GPR:$a, GPR:$b))]>;
1763 def QSUB16 : AAI<0b01100010, 0b0111, "qsub16">;
1764 def QSUB8 : AAI<0b01100010, 0b1111, "qsub8">;
1765 def UQADD16 : AAI<0b01100110, 0b0001, "uqadd16">;
1766 def UQADD8 : AAI<0b01100110, 0b1001, "uqadd8">;
1767 def UQASX : AAI<0b01100110, 0b0011, "uqasx">;
1768 def UQSAX : AAI<0b01100110, 0b0101, "uqsax">;
1769 def UQSUB16 : AAI<0b01100110, 0b0111, "uqsub16">;
1770 def UQSUB8 : AAI<0b01100110, 0b1111, "uqsub8">;
1772 // Signed/Unsigned add/subtract -- for disassembly only
1774 def SASX : AAI<0b01100001, 0b0011, "sasx">;
1775 def SADD16 : AAI<0b01100001, 0b0001, "sadd16">;
1776 def SADD8 : AAI<0b01100001, 0b1001, "sadd8">;
1777 def SSAX : AAI<0b01100001, 0b0101, "ssax">;
1778 def SSUB16 : AAI<0b01100001, 0b0111, "ssub16">;
1779 def SSUB8 : AAI<0b01100001, 0b1111, "ssub8">;
1780 def UASX : AAI<0b01100101, 0b0011, "uasx">;
1781 def UADD16 : AAI<0b01100101, 0b0001, "uadd16">;
1782 def UADD8 : AAI<0b01100101, 0b1001, "uadd8">;
1783 def USAX : AAI<0b01100101, 0b0101, "usax">;
1784 def USUB16 : AAI<0b01100101, 0b0111, "usub16">;
1785 def USUB8 : AAI<0b01100101, 0b1111, "usub8">;
1787 // Signed/Unsigned halving add/subtract -- for disassembly only
1789 def SHASX : AAI<0b01100011, 0b0011, "shasx">;
1790 def SHADD16 : AAI<0b01100011, 0b0001, "shadd16">;
1791 def SHADD8 : AAI<0b01100011, 0b1001, "shadd8">;
1792 def SHSAX : AAI<0b01100011, 0b0101, "shsax">;
1793 def SHSUB16 : AAI<0b01100011, 0b0111, "shsub16">;
1794 def SHSUB8 : AAI<0b01100011, 0b1111, "shsub8">;
1795 def UHASX : AAI<0b01100111, 0b0011, "uhasx">;
1796 def UHADD16 : AAI<0b01100111, 0b0001, "uhadd16">;
1797 def UHADD8 : AAI<0b01100111, 0b1001, "uhadd8">;
1798 def UHSAX : AAI<0b01100111, 0b0101, "uhsax">;
1799 def UHSUB16 : AAI<0b01100111, 0b0111, "uhsub16">;
1800 def UHSUB8 : AAI<0b01100111, 0b1111, "uhsub8">;
1802 // Unsigned Sum of Absolute Differences [and Accumulate] -- for disassembly only
1804 def USAD8 : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b),
1805 MulFrm /* for convenience */, NoItinerary, "usad8",
1806 "\t$dst, $a, $b", []>,
1807 Requires<[IsARM, HasV6]> {
1808 let Inst{27-20} = 0b01111000;
1809 let Inst{15-12} = 0b1111;
1810 let Inst{7-4} = 0b0001;
1812 def USADA8 : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1813 MulFrm /* for convenience */, NoItinerary, "usada8",
1814 "\t$dst, $a, $b, $acc", []>,
1815 Requires<[IsARM, HasV6]> {
1816 let Inst{27-20} = 0b01111000;
1817 let Inst{7-4} = 0b0001;
1820 // Signed/Unsigned saturate -- for disassembly only
1822 def SSAT : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a, shift_imm:$sh),
1823 SatFrm, NoItinerary, "ssat", "\t$dst, $bit_pos, $a$sh",
1824 [/* For disassembly only; pattern left blank */]> {
1825 let Inst{27-21} = 0b0110101;
1826 let Inst{5-4} = 0b01;
1829 def SSAT16 : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a), SatFrm,
1830 NoItinerary, "ssat16", "\t$dst, $bit_pos, $a",
1831 [/* For disassembly only; pattern left blank */]> {
1832 let Inst{27-20} = 0b01101010;
1833 let Inst{7-4} = 0b0011;
1836 def USAT : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a, shift_imm:$sh),
1837 SatFrm, NoItinerary, "usat", "\t$dst, $bit_pos, $a$sh",
1838 [/* For disassembly only; pattern left blank */]> {
1839 let Inst{27-21} = 0b0110111;
1840 let Inst{5-4} = 0b01;
1843 def USAT16 : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a), SatFrm,
1844 NoItinerary, "usat16", "\t$dst, $bit_pos, $a",
1845 [/* For disassembly only; pattern left blank */]> {
1846 let Inst{27-20} = 0b01101110;
1847 let Inst{7-4} = 0b0011;
1850 def : ARMV6Pat<(int_arm_ssat GPR:$a, imm:$pos), (SSAT imm:$pos, GPR:$a, 0)>;
1851 def : ARMV6Pat<(int_arm_usat GPR:$a, imm:$pos), (USAT imm:$pos, GPR:$a, 0)>;
1853 //===----------------------------------------------------------------------===//
1854 // Bitwise Instructions.
1857 defm AND : AsI1_bin_irs<0b0000, "and",
1858 BinOpFrag<(and node:$LHS, node:$RHS)>, 1>;
1859 defm ANDS : AI1_bin_s_irs<0b0000, "and",
1860 BinOpFrag<(ARMand node:$LHS, node:$RHS)>, 1>;
1861 defm ORR : AsI1_bin_irs<0b1100, "orr",
1862 BinOpFrag<(or node:$LHS, node:$RHS)>, 1>;
1863 defm EOR : AsI1_bin_irs<0b0001, "eor",
1864 BinOpFrag<(xor node:$LHS, node:$RHS)>, 1>;
1865 defm BIC : AsI1_bin_irs<0b1110, "bic",
1866 BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
1868 def BFC : I<(outs GPR:$dst), (ins GPR:$src, bf_inv_mask_imm:$imm),
1869 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
1870 "bfc", "\t$dst, $imm", "$src = $dst",
1871 [(set GPR:$dst, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
1872 Requires<[IsARM, HasV6T2]> {
1873 let Inst{27-21} = 0b0111110;
1874 let Inst{6-0} = 0b0011111;
1877 // A8.6.18 BFI - Bitfield insert (Encoding A1)
1878 def BFI : I<(outs GPR:$dst), (ins GPR:$src, GPR:$val, bf_inv_mask_imm:$imm),
1879 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
1880 "bfi", "\t$dst, $val, $imm", "$src = $dst",
1881 [(set GPR:$dst, (ARMbfi GPR:$src, GPR:$val,
1882 bf_inv_mask_imm:$imm))]>,
1883 Requires<[IsARM, HasV6T2]> {
1884 let Inst{27-21} = 0b0111110;
1885 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
1888 def MVNr : AsI1<0b1111, (outs GPR:$dst), (ins GPR:$src), DPFrm, IIC_iMOVr,
1889 "mvn", "\t$dst, $src",
1890 [(set GPR:$dst, (not GPR:$src))]>, UnaryDP {
1892 let Inst{11-4} = 0b00000000;
1894 def MVNs : AsI1<0b1111, (outs GPR:$dst), (ins so_reg:$src), DPSoRegFrm,
1895 IIC_iMOVsr, "mvn", "\t$dst, $src",
1896 [(set GPR:$dst, (not so_reg:$src))]>, UnaryDP {
1899 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
1900 def MVNi : AsI1<0b1111, (outs GPR:$dst), (ins so_imm:$imm), DPFrm,
1901 IIC_iMOVi, "mvn", "\t$dst, $imm",
1902 [(set GPR:$dst, so_imm_not:$imm)]>,UnaryDP {
1906 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
1907 (BICri GPR:$src, so_imm_not:$imm)>;
1909 //===----------------------------------------------------------------------===//
1910 // Multiply Instructions.
1913 let isCommutable = 1 in
1914 def MUL : AsMul1I<0b0000000, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1915 IIC_iMUL32, "mul", "\t$dst, $a, $b",
1916 [(set GPR:$dst, (mul GPR:$a, GPR:$b))]>;
1918 def MLA : AsMul1I<0b0000001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1919 IIC_iMAC32, "mla", "\t$dst, $a, $b, $c",
1920 [(set GPR:$dst, (add (mul GPR:$a, GPR:$b), GPR:$c))]>;
1922 def MLS : AMul1I<0b0000011, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1923 IIC_iMAC32, "mls", "\t$dst, $a, $b, $c",
1924 [(set GPR:$dst, (sub GPR:$c, (mul GPR:$a, GPR:$b)))]>,
1925 Requires<[IsARM, HasV6T2]>;
1927 // Extra precision multiplies with low / high results
1928 let neverHasSideEffects = 1 in {
1929 let isCommutable = 1 in {
1930 def SMULL : AsMul1I<0b0000110, (outs GPR:$ldst, GPR:$hdst),
1931 (ins GPR:$a, GPR:$b), IIC_iMUL64,
1932 "smull", "\t$ldst, $hdst, $a, $b", []>;
1934 def UMULL : AsMul1I<0b0000100, (outs GPR:$ldst, GPR:$hdst),
1935 (ins GPR:$a, GPR:$b), IIC_iMUL64,
1936 "umull", "\t$ldst, $hdst, $a, $b", []>;
1939 // Multiply + accumulate
1940 def SMLAL : AsMul1I<0b0000111, (outs GPR:$ldst, GPR:$hdst),
1941 (ins GPR:$a, GPR:$b), IIC_iMAC64,
1942 "smlal", "\t$ldst, $hdst, $a, $b", []>;
1944 def UMLAL : AsMul1I<0b0000101, (outs GPR:$ldst, GPR:$hdst),
1945 (ins GPR:$a, GPR:$b), IIC_iMAC64,
1946 "umlal", "\t$ldst, $hdst, $a, $b", []>;
1948 def UMAAL : AMul1I <0b0000010, (outs GPR:$ldst, GPR:$hdst),
1949 (ins GPR:$a, GPR:$b), IIC_iMAC64,
1950 "umaal", "\t$ldst, $hdst, $a, $b", []>,
1951 Requires<[IsARM, HasV6]>;
1952 } // neverHasSideEffects
1954 // Most significant word multiply
1955 def SMMUL : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1956 IIC_iMUL32, "smmul", "\t$dst, $a, $b",
1957 [(set GPR:$dst, (mulhs GPR:$a, GPR:$b))]>,
1958 Requires<[IsARM, HasV6]> {
1959 let Inst{7-4} = 0b0001;
1960 let Inst{15-12} = 0b1111;
1963 def SMMULR : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1964 IIC_iMUL32, "smmulr", "\t$dst, $a, $b",
1965 [/* For disassembly only; pattern left blank */]>,
1966 Requires<[IsARM, HasV6]> {
1967 let Inst{7-4} = 0b0011; // R = 1
1968 let Inst{15-12} = 0b1111;
1971 def SMMLA : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1972 IIC_iMAC32, "smmla", "\t$dst, $a, $b, $c",
1973 [(set GPR:$dst, (add (mulhs GPR:$a, GPR:$b), GPR:$c))]>,
1974 Requires<[IsARM, HasV6]> {
1975 let Inst{7-4} = 0b0001;
1978 def SMMLAR : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1979 IIC_iMAC32, "smmlar", "\t$dst, $a, $b, $c",
1980 [/* For disassembly only; pattern left blank */]>,
1981 Requires<[IsARM, HasV6]> {
1982 let Inst{7-4} = 0b0011; // R = 1
1985 def SMMLS : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1986 IIC_iMAC32, "smmls", "\t$dst, $a, $b, $c",
1987 [(set GPR:$dst, (sub GPR:$c, (mulhs GPR:$a, GPR:$b)))]>,
1988 Requires<[IsARM, HasV6]> {
1989 let Inst{7-4} = 0b1101;
1992 def SMMLSR : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1993 IIC_iMAC32, "smmlsr", "\t$dst, $a, $b, $c",
1994 [/* For disassembly only; pattern left blank */]>,
1995 Requires<[IsARM, HasV6]> {
1996 let Inst{7-4} = 0b1111; // R = 1
1999 multiclass AI_smul<string opc, PatFrag opnode> {
2000 def BB : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2001 IIC_iMUL32, !strconcat(opc, "bb"), "\t$dst, $a, $b",
2002 [(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16),
2003 (sext_inreg GPR:$b, i16)))]>,
2004 Requires<[IsARM, HasV5TE]> {
2009 def BT : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2010 IIC_iMUL32, !strconcat(opc, "bt"), "\t$dst, $a, $b",
2011 [(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16),
2012 (sra GPR:$b, (i32 16))))]>,
2013 Requires<[IsARM, HasV5TE]> {
2018 def TB : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2019 IIC_iMUL32, !strconcat(opc, "tb"), "\t$dst, $a, $b",
2020 [(set GPR:$dst, (opnode (sra GPR:$a, (i32 16)),
2021 (sext_inreg GPR:$b, i16)))]>,
2022 Requires<[IsARM, HasV5TE]> {
2027 def TT : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2028 IIC_iMUL32, !strconcat(opc, "tt"), "\t$dst, $a, $b",
2029 [(set GPR:$dst, (opnode (sra GPR:$a, (i32 16)),
2030 (sra GPR:$b, (i32 16))))]>,
2031 Requires<[IsARM, HasV5TE]> {
2036 def WB : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2037 IIC_iMUL16, !strconcat(opc, "wb"), "\t$dst, $a, $b",
2038 [(set GPR:$dst, (sra (opnode GPR:$a,
2039 (sext_inreg GPR:$b, i16)), (i32 16)))]>,
2040 Requires<[IsARM, HasV5TE]> {
2045 def WT : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2046 IIC_iMUL16, !strconcat(opc, "wt"), "\t$dst, $a, $b",
2047 [(set GPR:$dst, (sra (opnode GPR:$a,
2048 (sra GPR:$b, (i32 16))), (i32 16)))]>,
2049 Requires<[IsARM, HasV5TE]> {
2056 multiclass AI_smla<string opc, PatFrag opnode> {
2057 def BB : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2058 IIC_iMAC16, !strconcat(opc, "bb"), "\t$dst, $a, $b, $acc",
2059 [(set GPR:$dst, (add GPR:$acc,
2060 (opnode (sext_inreg GPR:$a, i16),
2061 (sext_inreg GPR:$b, i16))))]>,
2062 Requires<[IsARM, HasV5TE]> {
2067 def BT : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2068 IIC_iMAC16, !strconcat(opc, "bt"), "\t$dst, $a, $b, $acc",
2069 [(set GPR:$dst, (add GPR:$acc, (opnode (sext_inreg GPR:$a, i16),
2070 (sra GPR:$b, (i32 16)))))]>,
2071 Requires<[IsARM, HasV5TE]> {
2076 def TB : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2077 IIC_iMAC16, !strconcat(opc, "tb"), "\t$dst, $a, $b, $acc",
2078 [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, (i32 16)),
2079 (sext_inreg GPR:$b, i16))))]>,
2080 Requires<[IsARM, HasV5TE]> {
2085 def TT : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2086 IIC_iMAC16, !strconcat(opc, "tt"), "\t$dst, $a, $b, $acc",
2087 [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, (i32 16)),
2088 (sra GPR:$b, (i32 16)))))]>,
2089 Requires<[IsARM, HasV5TE]> {
2094 def WB : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2095 IIC_iMAC16, !strconcat(opc, "wb"), "\t$dst, $a, $b, $acc",
2096 [(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a,
2097 (sext_inreg GPR:$b, i16)), (i32 16))))]>,
2098 Requires<[IsARM, HasV5TE]> {
2103 def WT : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2104 IIC_iMAC16, !strconcat(opc, "wt"), "\t$dst, $a, $b, $acc",
2105 [(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a,
2106 (sra GPR:$b, (i32 16))), (i32 16))))]>,
2107 Requires<[IsARM, HasV5TE]> {
2113 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
2114 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
2116 // Halfword multiply accumulate long: SMLAL<x><y> -- for disassembly only
2117 def SMLALBB : AMulxyI<0b0001010,(outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
2118 IIC_iMAC64, "smlalbb", "\t$ldst, $hdst, $a, $b",
2119 [/* For disassembly only; pattern left blank */]>,
2120 Requires<[IsARM, HasV5TE]> {
2125 def SMLALBT : AMulxyI<0b0001010,(outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
2126 IIC_iMAC64, "smlalbt", "\t$ldst, $hdst, $a, $b",
2127 [/* For disassembly only; pattern left blank */]>,
2128 Requires<[IsARM, HasV5TE]> {
2133 def SMLALTB : AMulxyI<0b0001010,(outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
2134 IIC_iMAC64, "smlaltb", "\t$ldst, $hdst, $a, $b",
2135 [/* For disassembly only; pattern left blank */]>,
2136 Requires<[IsARM, HasV5TE]> {
2141 def SMLALTT : AMulxyI<0b0001010,(outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
2142 IIC_iMAC64, "smlaltt", "\t$ldst, $hdst, $a, $b",
2143 [/* For disassembly only; pattern left blank */]>,
2144 Requires<[IsARM, HasV5TE]> {
2149 // Helper class for AI_smld -- for disassembly only
2150 class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
2151 InstrItinClass itin, string opc, string asm>
2152 : AI<oops, iops, MulFrm, itin, opc, asm, []>, Requires<[IsARM, HasV6]> {
2157 let Inst{21-20} = 0b00;
2158 let Inst{22} = long;
2159 let Inst{27-23} = 0b01110;
2162 multiclass AI_smld<bit sub, string opc> {
2164 def D : AMulDualI<0, sub, 0, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2165 NoItinerary, !strconcat(opc, "d"), "\t$dst, $a, $b, $acc">;
2167 def DX : AMulDualI<0, sub, 1, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2168 NoItinerary, !strconcat(opc, "dx"), "\t$dst, $a, $b, $acc">;
2170 def LD : AMulDualI<1, sub, 0, (outs GPR:$ldst,GPR:$hdst), (ins GPR:$a,GPR:$b),
2171 NoItinerary, !strconcat(opc, "ld"), "\t$ldst, $hdst, $a, $b">;
2173 def LDX : AMulDualI<1, sub, 1, (outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
2174 NoItinerary, !strconcat(opc, "ldx"),"\t$ldst, $hdst, $a, $b">;
2178 defm SMLA : AI_smld<0, "smla">;
2179 defm SMLS : AI_smld<1, "smls">;
2181 multiclass AI_sdml<bit sub, string opc> {
2183 def D : AMulDualI<0, sub, 0, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2184 NoItinerary, !strconcat(opc, "d"), "\t$dst, $a, $b"> {
2185 let Inst{15-12} = 0b1111;
2188 def DX : AMulDualI<0, sub, 1, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2189 NoItinerary, !strconcat(opc, "dx"), "\t$dst, $a, $b"> {
2190 let Inst{15-12} = 0b1111;
2195 defm SMUA : AI_sdml<0, "smua">;
2196 defm SMUS : AI_sdml<1, "smus">;
2198 //===----------------------------------------------------------------------===//
2199 // Misc. Arithmetic Instructions.
2202 def CLZ : AMiscA1I<0b000010110, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
2203 "clz", "\t$dst, $src",
2204 [(set GPR:$dst, (ctlz GPR:$src))]>, Requires<[IsARM, HasV5T]> {
2205 let Inst{7-4} = 0b0001;
2206 let Inst{11-8} = 0b1111;
2207 let Inst{19-16} = 0b1111;
2210 def RBIT : AMiscA1I<0b01101111, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
2211 "rbit", "\t$dst, $src",
2212 [(set GPR:$dst, (ARMrbit GPR:$src))]>,
2213 Requires<[IsARM, HasV6T2]> {
2214 let Inst{7-4} = 0b0011;
2215 let Inst{11-8} = 0b1111;
2216 let Inst{19-16} = 0b1111;
2219 def REV : AMiscA1I<0b01101011, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
2220 "rev", "\t$dst, $src",
2221 [(set GPR:$dst, (bswap GPR:$src))]>, Requires<[IsARM, HasV6]> {
2222 let Inst{7-4} = 0b0011;
2223 let Inst{11-8} = 0b1111;
2224 let Inst{19-16} = 0b1111;
2227 def REV16 : AMiscA1I<0b01101011, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
2228 "rev16", "\t$dst, $src",
2230 (or (and (srl GPR:$src, (i32 8)), 0xFF),
2231 (or (and (shl GPR:$src, (i32 8)), 0xFF00),
2232 (or (and (srl GPR:$src, (i32 8)), 0xFF0000),
2233 (and (shl GPR:$src, (i32 8)), 0xFF000000)))))]>,
2234 Requires<[IsARM, HasV6]> {
2235 let Inst{7-4} = 0b1011;
2236 let Inst{11-8} = 0b1111;
2237 let Inst{19-16} = 0b1111;
2240 def REVSH : AMiscA1I<0b01101111, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
2241 "revsh", "\t$dst, $src",
2244 (or (srl (and GPR:$src, 0xFF00), (i32 8)),
2245 (shl GPR:$src, (i32 8))), i16))]>,
2246 Requires<[IsARM, HasV6]> {
2247 let Inst{7-4} = 0b1011;
2248 let Inst{11-8} = 0b1111;
2249 let Inst{19-16} = 0b1111;
2252 def lsl_shift_imm : SDNodeXForm<imm, [{
2253 unsigned Sh = ARM_AM::getSORegOpc(ARM_AM::lsl, N->getZExtValue());
2254 return CurDAG->getTargetConstant(Sh, MVT::i32);
2257 def lsl_amt : PatLeaf<(i32 imm), [{
2258 return (N->getZExtValue() < 32);
2261 def PKHBT : AMiscA1I<0b01101000, (outs GPR:$dst),
2262 (ins GPR:$src1, GPR:$src2, shift_imm:$sh),
2263 IIC_iALUsi, "pkhbt", "\t$dst, $src1, $src2$sh",
2264 [(set GPR:$dst, (or (and GPR:$src1, 0xFFFF),
2265 (and (shl GPR:$src2, lsl_amt:$sh),
2267 Requires<[IsARM, HasV6]> {
2268 let Inst{6-4} = 0b001;
2271 // Alternate cases for PKHBT where identities eliminate some nodes.
2272 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF), (and GPR:$src2, 0xFFFF0000)),
2273 (PKHBT GPR:$src1, GPR:$src2, 0)>;
2274 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF), (shl GPR:$src2, imm16_31:$sh)),
2275 (PKHBT GPR:$src1, GPR:$src2, (lsl_shift_imm imm16_31:$sh))>;
2277 def asr_shift_imm : SDNodeXForm<imm, [{
2278 unsigned Sh = ARM_AM::getSORegOpc(ARM_AM::asr, N->getZExtValue());
2279 return CurDAG->getTargetConstant(Sh, MVT::i32);
2282 def asr_amt : PatLeaf<(i32 imm), [{
2283 return (N->getZExtValue() <= 32);
2286 // Note: Shifts of 1-15 bits will be transformed to srl instead of sra and
2287 // will match the pattern below.
2288 def PKHTB : AMiscA1I<0b01101000, (outs GPR:$dst),
2289 (ins GPR:$src1, GPR:$src2, shift_imm:$sh),
2290 IIC_iALUsi, "pkhtb", "\t$dst, $src1, $src2$sh",
2291 [(set GPR:$dst, (or (and GPR:$src1, 0xFFFF0000),
2292 (and (sra GPR:$src2, asr_amt:$sh),
2294 Requires<[IsARM, HasV6]> {
2295 let Inst{6-4} = 0b101;
2298 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
2299 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
2300 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000), (srl GPR:$src2, imm16_31:$sh)),
2301 (PKHTB GPR:$src1, GPR:$src2, (asr_shift_imm imm16_31:$sh))>;
2302 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000),
2303 (and (srl GPR:$src2, imm1_15:$sh), 0xFFFF)),
2304 (PKHTB GPR:$src1, GPR:$src2, (asr_shift_imm imm1_15:$sh))>;
2306 //===----------------------------------------------------------------------===//
2307 // Comparison Instructions...
2310 defm CMP : AI1_cmp_irs<0b1010, "cmp",
2311 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
2313 // FIXME: We have to be careful when using the CMN instruction and comparison
2314 // with 0. One would expect these two pieces of code should give identical
2330 // However, the CMN gives the *opposite* result when r1 is 0. This is because
2331 // the carry flag is set in the CMP case but not in the CMN case. In short, the
2332 // CMP instruction doesn't perform a truncate of the (logical) NOT of 0 plus the
2333 // value of r0 and the carry bit (because the "carry bit" parameter to
2334 // AddWithCarry is defined as 1 in this case, the carry flag will always be set
2335 // when r0 >= 0). The CMN instruction doesn't perform a NOT of 0 so there is
2336 // never a "carry" when this AddWithCarry is performed (because the "carry bit"
2337 // parameter to AddWithCarry is defined as 0).
2339 // When x is 0 and unsigned:
2343 // ~x + 1 = 0x1 0000 0000
2344 // (-x = 0) != (0x1 0000 0000 = ~x + 1)
2346 // Therefore, we should disable CMN when comparing against zero, until we can
2347 // limit when the CMN instruction is used (when we know that the RHS is not 0 or
2348 // when it's a comparison which doesn't look at the 'carry' flag).
2350 // (See the ARM docs for the "AddWithCarry" pseudo-code.)
2352 // This is related to <rdar://problem/7569620>.
2354 //defm CMN : AI1_cmp_irs<0b1011, "cmn",
2355 // BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
2357 // Note that TST/TEQ don't set all the same flags that CMP does!
2358 defm TST : AI1_cmp_irs<0b1000, "tst",
2359 BinOpFrag<(ARMcmpZ (and node:$LHS, node:$RHS), 0)>, 1>;
2360 defm TEQ : AI1_cmp_irs<0b1001, "teq",
2361 BinOpFrag<(ARMcmpZ (xor node:$LHS, node:$RHS), 0)>, 1>;
2363 defm CMPz : AI1_cmp_irs<0b1010, "cmp",
2364 BinOpFrag<(ARMcmpZ node:$LHS, node:$RHS)>>;
2365 defm CMNz : AI1_cmp_irs<0b1011, "cmn",
2366 BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>>;
2368 //def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
2369 // (CMNri GPR:$src, so_imm_neg:$imm)>;
2371 def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
2372 (CMNzri GPR:$src, so_imm_neg:$imm)>;
2374 // Pseudo i64 compares for some floating point compares.
2375 let usesCustomInserter = 1, isBranch = 1, isTerminator = 1,
2377 def BCCi64 : PseudoInst<(outs),
2378 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, brtarget:$dst),
2380 "${:comment} B\t$dst GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, imm:$cc",
2381 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, bb:$dst)]>;
2383 def BCCZi64 : PseudoInst<(outs),
2384 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, brtarget:$dst),
2386 "${:comment} B\t$dst GPR:$lhs1, GPR:$lhs2, 0, 0, imm:$cc",
2387 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, 0, 0, bb:$dst)]>;
2388 } // usesCustomInserter
2391 // Conditional moves
2392 // FIXME: should be able to write a pattern for ARMcmov, but can't use
2393 // a two-value operand where a dag node expects two operands. :(
2394 let neverHasSideEffects = 1 in {
2395 def MOVCCr : AI1<0b1101, (outs GPR:$dst), (ins GPR:$false, GPR:$true), DPFrm,
2396 IIC_iCMOVr, "mov", "\t$dst, $true",
2397 [/*(set GPR:$dst, (ARMcmov GPR:$false, GPR:$true, imm:$cc, CCR:$ccr))*/]>,
2398 RegConstraint<"$false = $dst">, UnaryDP {
2399 let Inst{11-4} = 0b00000000;
2403 def MOVCCs : AI1<0b1101, (outs GPR:$dst),
2404 (ins GPR:$false, so_reg:$true), DPSoRegFrm, IIC_iCMOVsr,
2405 "mov", "\t$dst, $true",
2406 [/*(set GPR:$dst, (ARMcmov GPR:$false, so_reg:$true, imm:$cc, CCR:$ccr))*/]>,
2407 RegConstraint<"$false = $dst">, UnaryDP {
2411 def MOVCCi : AI1<0b1101, (outs GPR:$dst),
2412 (ins GPR:$false, so_imm:$true), DPFrm, IIC_iCMOVi,
2413 "mov", "\t$dst, $true",
2414 [/*(set GPR:$dst, (ARMcmov GPR:$false, so_imm:$true, imm:$cc, CCR:$ccr))*/]>,
2415 RegConstraint<"$false = $dst">, UnaryDP {
2418 } // neverHasSideEffects
2420 //===----------------------------------------------------------------------===//
2421 // Atomic operations intrinsics
2424 // memory barriers protect the atomic sequences
2425 let hasSideEffects = 1 in {
2426 def DMBsy : AInoP<(outs), (ins), MiscFrm, NoItinerary, "dmb", "",
2427 [(ARMMemBarrier)]>, Requires<[IsARM, HasDB]> {
2428 let Inst{31-4} = 0xf57ff05;
2429 // FIXME: add support for options other than a full system DMB
2430 // See DMB disassembly-only variants below.
2431 let Inst{3-0} = 0b1111;
2434 def DSBsy : AInoP<(outs), (ins), MiscFrm, NoItinerary, "dsb", "",
2435 [(ARMSyncBarrier)]>, Requires<[IsARM, HasDB]> {
2436 let Inst{31-4} = 0xf57ff04;
2437 // FIXME: add support for options other than a full system DSB
2438 // See DSB disassembly-only variants below.
2439 let Inst{3-0} = 0b1111;
2442 def DMB_MCR : AInoP<(outs), (ins GPR:$zero), MiscFrm, NoItinerary,
2443 "mcr", "\tp15, 0, $zero, c7, c10, 5",
2444 [(ARMMemBarrierMCR GPR:$zero)]>,
2445 Requires<[IsARM, HasV6]> {
2446 // FIXME: add support for options other than a full system DMB
2447 // FIXME: add encoding
2450 def DSB_MCR : AInoP<(outs), (ins GPR:$zero), MiscFrm, NoItinerary,
2451 "mcr", "\tp15, 0, $zero, c7, c10, 4",
2452 [(ARMSyncBarrierMCR GPR:$zero)]>,
2453 Requires<[IsARM, HasV6]> {
2454 // FIXME: add support for options other than a full system DSB
2455 // FIXME: add encoding
2459 // Memory Barrier Operations Variants -- for disassembly only
2461 def memb_opt : Operand<i32> {
2462 let PrintMethod = "printMemBOption";
2465 class AMBI<bits<4> op7_4, string opc>
2466 : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary, opc, "\t$opt",
2467 [/* For disassembly only; pattern left blank */]>,
2468 Requires<[IsARM, HasDB]> {
2469 let Inst{31-8} = 0xf57ff0;
2470 let Inst{7-4} = op7_4;
2473 // These DMB variants are for disassembly only.
2474 def DMBvar : AMBI<0b0101, "dmb">;
2476 // These DSB variants are for disassembly only.
2477 def DSBvar : AMBI<0b0100, "dsb">;
2479 // ISB has only full system option -- for disassembly only
2480 def ISBsy : AInoP<(outs), (ins), MiscFrm, NoItinerary, "isb", "", []>,
2481 Requires<[IsARM, HasDB]> {
2482 let Inst{31-4} = 0xf57ff06;
2483 let Inst{3-0} = 0b1111;
2486 let usesCustomInserter = 1 in {
2487 let Uses = [CPSR] in {
2488 def ATOMIC_LOAD_ADD_I8 : PseudoInst<
2489 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2490 "${:comment} ATOMIC_LOAD_ADD_I8 PSEUDO!",
2491 [(set GPR:$dst, (atomic_load_add_8 GPR:$ptr, GPR:$incr))]>;
2492 def ATOMIC_LOAD_SUB_I8 : PseudoInst<
2493 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2494 "${:comment} ATOMIC_LOAD_SUB_I8 PSEUDO!",
2495 [(set GPR:$dst, (atomic_load_sub_8 GPR:$ptr, GPR:$incr))]>;
2496 def ATOMIC_LOAD_AND_I8 : PseudoInst<
2497 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2498 "${:comment} ATOMIC_LOAD_AND_I8 PSEUDO!",
2499 [(set GPR:$dst, (atomic_load_and_8 GPR:$ptr, GPR:$incr))]>;
2500 def ATOMIC_LOAD_OR_I8 : PseudoInst<
2501 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2502 "${:comment} ATOMIC_LOAD_OR_I8 PSEUDO!",
2503 [(set GPR:$dst, (atomic_load_or_8 GPR:$ptr, GPR:$incr))]>;
2504 def ATOMIC_LOAD_XOR_I8 : PseudoInst<
2505 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2506 "${:comment} ATOMIC_LOAD_XOR_I8 PSEUDO!",
2507 [(set GPR:$dst, (atomic_load_xor_8 GPR:$ptr, GPR:$incr))]>;
2508 def ATOMIC_LOAD_NAND_I8 : PseudoInst<
2509 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2510 "${:comment} ATOMIC_LOAD_NAND_I8 PSEUDO!",
2511 [(set GPR:$dst, (atomic_load_nand_8 GPR:$ptr, GPR:$incr))]>;
2512 def ATOMIC_LOAD_ADD_I16 : PseudoInst<
2513 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2514 "${:comment} ATOMIC_LOAD_ADD_I16 PSEUDO!",
2515 [(set GPR:$dst, (atomic_load_add_16 GPR:$ptr, GPR:$incr))]>;
2516 def ATOMIC_LOAD_SUB_I16 : PseudoInst<
2517 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2518 "${:comment} ATOMIC_LOAD_SUB_I16 PSEUDO!",
2519 [(set GPR:$dst, (atomic_load_sub_16 GPR:$ptr, GPR:$incr))]>;
2520 def ATOMIC_LOAD_AND_I16 : PseudoInst<
2521 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2522 "${:comment} ATOMIC_LOAD_AND_I16 PSEUDO!",
2523 [(set GPR:$dst, (atomic_load_and_16 GPR:$ptr, GPR:$incr))]>;
2524 def ATOMIC_LOAD_OR_I16 : PseudoInst<
2525 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2526 "${:comment} ATOMIC_LOAD_OR_I16 PSEUDO!",
2527 [(set GPR:$dst, (atomic_load_or_16 GPR:$ptr, GPR:$incr))]>;
2528 def ATOMIC_LOAD_XOR_I16 : PseudoInst<
2529 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2530 "${:comment} ATOMIC_LOAD_XOR_I16 PSEUDO!",
2531 [(set GPR:$dst, (atomic_load_xor_16 GPR:$ptr, GPR:$incr))]>;
2532 def ATOMIC_LOAD_NAND_I16 : PseudoInst<
2533 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2534 "${:comment} ATOMIC_LOAD_NAND_I16 PSEUDO!",
2535 [(set GPR:$dst, (atomic_load_nand_16 GPR:$ptr, GPR:$incr))]>;
2536 def ATOMIC_LOAD_ADD_I32 : PseudoInst<
2537 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2538 "${:comment} ATOMIC_LOAD_ADD_I32 PSEUDO!",
2539 [(set GPR:$dst, (atomic_load_add_32 GPR:$ptr, GPR:$incr))]>;
2540 def ATOMIC_LOAD_SUB_I32 : PseudoInst<
2541 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2542 "${:comment} ATOMIC_LOAD_SUB_I32 PSEUDO!",
2543 [(set GPR:$dst, (atomic_load_sub_32 GPR:$ptr, GPR:$incr))]>;
2544 def ATOMIC_LOAD_AND_I32 : PseudoInst<
2545 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2546 "${:comment} ATOMIC_LOAD_AND_I32 PSEUDO!",
2547 [(set GPR:$dst, (atomic_load_and_32 GPR:$ptr, GPR:$incr))]>;
2548 def ATOMIC_LOAD_OR_I32 : PseudoInst<
2549 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2550 "${:comment} ATOMIC_LOAD_OR_I32 PSEUDO!",
2551 [(set GPR:$dst, (atomic_load_or_32 GPR:$ptr, GPR:$incr))]>;
2552 def ATOMIC_LOAD_XOR_I32 : PseudoInst<
2553 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2554 "${:comment} ATOMIC_LOAD_XOR_I32 PSEUDO!",
2555 [(set GPR:$dst, (atomic_load_xor_32 GPR:$ptr, GPR:$incr))]>;
2556 def ATOMIC_LOAD_NAND_I32 : PseudoInst<
2557 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2558 "${:comment} ATOMIC_LOAD_NAND_I32 PSEUDO!",
2559 [(set GPR:$dst, (atomic_load_nand_32 GPR:$ptr, GPR:$incr))]>;
2561 def ATOMIC_SWAP_I8 : PseudoInst<
2562 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
2563 "${:comment} ATOMIC_SWAP_I8 PSEUDO!",
2564 [(set GPR:$dst, (atomic_swap_8 GPR:$ptr, GPR:$new))]>;
2565 def ATOMIC_SWAP_I16 : PseudoInst<
2566 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
2567 "${:comment} ATOMIC_SWAP_I16 PSEUDO!",
2568 [(set GPR:$dst, (atomic_swap_16 GPR:$ptr, GPR:$new))]>;
2569 def ATOMIC_SWAP_I32 : PseudoInst<
2570 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
2571 "${:comment} ATOMIC_SWAP_I32 PSEUDO!",
2572 [(set GPR:$dst, (atomic_swap_32 GPR:$ptr, GPR:$new))]>;
2574 def ATOMIC_CMP_SWAP_I8 : PseudoInst<
2575 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
2576 "${:comment} ATOMIC_CMP_SWAP_I8 PSEUDO!",
2577 [(set GPR:$dst, (atomic_cmp_swap_8 GPR:$ptr, GPR:$old, GPR:$new))]>;
2578 def ATOMIC_CMP_SWAP_I16 : PseudoInst<
2579 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
2580 "${:comment} ATOMIC_CMP_SWAP_I16 PSEUDO!",
2581 [(set GPR:$dst, (atomic_cmp_swap_16 GPR:$ptr, GPR:$old, GPR:$new))]>;
2582 def ATOMIC_CMP_SWAP_I32 : PseudoInst<
2583 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
2584 "${:comment} ATOMIC_CMP_SWAP_I32 PSEUDO!",
2585 [(set GPR:$dst, (atomic_cmp_swap_32 GPR:$ptr, GPR:$old, GPR:$new))]>;
2589 let mayLoad = 1 in {
2590 def LDREXB : AIldrex<0b10, (outs GPR:$dest), (ins GPR:$ptr), NoItinerary,
2591 "ldrexb", "\t$dest, [$ptr]",
2593 def LDREXH : AIldrex<0b11, (outs GPR:$dest), (ins GPR:$ptr), NoItinerary,
2594 "ldrexh", "\t$dest, [$ptr]",
2596 def LDREX : AIldrex<0b00, (outs GPR:$dest), (ins GPR:$ptr), NoItinerary,
2597 "ldrex", "\t$dest, [$ptr]",
2599 def LDREXD : AIldrex<0b01, (outs GPR:$dest, GPR:$dest2), (ins GPR:$ptr),
2601 "ldrexd", "\t$dest, $dest2, [$ptr]",
2605 let mayStore = 1, Constraints = "@earlyclobber $success" in {
2606 def STREXB : AIstrex<0b10, (outs GPR:$success), (ins GPR:$src, GPR:$ptr),
2608 "strexb", "\t$success, $src, [$ptr]",
2610 def STREXH : AIstrex<0b11, (outs GPR:$success), (ins GPR:$src, GPR:$ptr),
2612 "strexh", "\t$success, $src, [$ptr]",
2614 def STREX : AIstrex<0b00, (outs GPR:$success), (ins GPR:$src, GPR:$ptr),
2616 "strex", "\t$success, $src, [$ptr]",
2618 def STREXD : AIstrex<0b01, (outs GPR:$success),
2619 (ins GPR:$src, GPR:$src2, GPR:$ptr),
2621 "strexd", "\t$success, $src, $src2, [$ptr]",
2625 // Clear-Exclusive is for disassembly only.
2626 def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex",
2627 [/* For disassembly only; pattern left blank */]>,
2628 Requires<[IsARM, HasV7]> {
2629 let Inst{31-20} = 0xf57;
2630 let Inst{7-4} = 0b0001;
2633 // SWP/SWPB are deprecated in V6/V7 and for disassembly only.
2634 let mayLoad = 1 in {
2635 def SWP : AI<(outs GPR:$dst), (ins GPR:$src, GPR:$ptr), LdStExFrm, NoItinerary,
2636 "swp", "\t$dst, $src, [$ptr]",
2637 [/* For disassembly only; pattern left blank */]> {
2638 let Inst{27-23} = 0b00010;
2639 let Inst{22} = 0; // B = 0
2640 let Inst{21-20} = 0b00;
2641 let Inst{7-4} = 0b1001;
2644 def SWPB : AI<(outs GPR:$dst), (ins GPR:$src, GPR:$ptr), LdStExFrm, NoItinerary,
2645 "swpb", "\t$dst, $src, [$ptr]",
2646 [/* For disassembly only; pattern left blank */]> {
2647 let Inst{27-23} = 0b00010;
2648 let Inst{22} = 1; // B = 1
2649 let Inst{21-20} = 0b00;
2650 let Inst{7-4} = 0b1001;
2654 //===----------------------------------------------------------------------===//
2658 // __aeabi_read_tp preserves the registers r1-r3.
2660 Defs = [R0, R12, LR, CPSR] in {
2661 def TPsoft : ABXI<0b1011, (outs), (ins), IIC_Br,
2662 "bl\t__aeabi_read_tp",
2663 [(set R0, ARMthread_pointer)]>;
2666 //===----------------------------------------------------------------------===//
2667 // SJLJ Exception handling intrinsics
2668 // eh_sjlj_setjmp() is an instruction sequence to store the return
2669 // address and save #0 in R0 for the non-longjmp case.
2670 // Since by its nature we may be coming from some other function to get
2671 // here, and we're using the stack frame for the containing function to
2672 // save/restore registers, we can't keep anything live in regs across
2673 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
2674 // when we get here from a longjmp(). We force everthing out of registers
2675 // except for our own input by listing the relevant registers in Defs. By
2676 // doing so, we also cause the prologue/epilogue code to actively preserve
2677 // all of the callee-saved resgisters, which is exactly what we want.
2678 // A constant value is passed in $val, and we use the location as a scratch.
2680 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, D0,
2681 D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15,
2682 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26, D27, D28, D29, D30,
2683 D31 ], hasSideEffects = 1, isBarrier = 1 in {
2684 def Int_eh_sjlj_setjmp : XI<(outs), (ins GPR:$src, GPR:$val),
2685 AddrModeNone, SizeSpecial, IndexModeNone,
2686 Pseudo, NoItinerary,
2687 "add\t$val, pc, #8\t${:comment} eh_setjmp begin\n\t"
2688 "str\t$val, [$src, #4]\n\t"
2690 "add\tpc, pc, #0\n\t"
2691 "mov\tr0, #1 ${:comment} eh_setjmp end", "",
2692 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
2693 Requires<[IsARM, HasVFP2]>;
2697 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR ],
2698 hasSideEffects = 1, isBarrier = 1 in {
2699 def Int_eh_sjlj_setjmp_nofp : XI<(outs), (ins GPR:$src, GPR:$val),
2700 AddrModeNone, SizeSpecial, IndexModeNone,
2701 Pseudo, NoItinerary,
2702 "add\t$val, pc, #8\t${:comment} eh_setjmp begin\n\t"
2703 "str\t$val, [$src, #4]\n\t"
2705 "add\tpc, pc, #0\n\t"
2706 "mov\tr0, #1 ${:comment} eh_setjmp end", "",
2707 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
2708 Requires<[IsARM, NoVFP]>;
2711 // FIXME: Non-Darwin version(s)
2712 let isBarrier = 1, hasSideEffects = 1, isTerminator = 1,
2713 Defs = [ R7, LR, SP ] in {
2714 def Int_eh_sjlj_longjmp : XI<(outs), (ins GPR:$src, GPR:$scratch),
2715 AddrModeNone, SizeSpecial, IndexModeNone,
2716 Pseudo, NoItinerary,
2717 "ldr\tsp, [$src, #8]\n\t"
2718 "ldr\t$scratch, [$src, #4]\n\t"
2719 "ldr\tr7, [$src]\n\t"
2721 [(ARMeh_sjlj_longjmp GPR:$src, GPR:$scratch)]>,
2722 Requires<[IsARM, IsDarwin]>;
2725 //===----------------------------------------------------------------------===//
2726 // Non-Instruction Patterns
2729 // Large immediate handling.
2731 // Two piece so_imms.
2732 // FIXME: Expand this in ARMExpandPseudoInsts.
2733 // FIXME: Remove this when we can do generalized remat.
2734 let isReMaterializable = 1 in
2735 def MOVi2pieces : AI1x2<(outs GPR:$dst), (ins so_imm2part:$src),
2736 Pseudo, IIC_iMOVix2,
2737 "mov", "\t$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:$src), Pseudo, IIC_iMOVix2,
2760 "movw", "\t$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;