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_ARMCmp : SDTypeProfile<0, 2, [SDTCisSameAs<0, 1>]>;
49 def SDT_ARMPICAdd : SDTypeProfile<1, 2, [SDTCisSameAs<0, 1>,
50 SDTCisPtrTy<1>, SDTCisVT<2, i32>]>;
52 def SDT_ARMThreadPointer : SDTypeProfile<1, 0, [SDTCisPtrTy<0>]>;
53 def SDT_ARMEH_SJLJ_Setjmp : SDTypeProfile<1, 2, [SDTCisInt<0>, SDTCisPtrTy<1>,
55 def SDT_ARMEH_SJLJ_Longjmp: SDTypeProfile<0, 2, [SDTCisPtrTy<0>, SDTCisInt<1>]>;
57 def SDT_ARMMEMBARRIER : SDTypeProfile<0, 0, []>;
58 def SDT_ARMSYNCBARRIER : SDTypeProfile<0, 0, []>;
59 def SDT_ARMMEMBARRIERMCR : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
60 def SDT_ARMSYNCBARRIERMCR : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
62 def SDT_ARMTCRET : SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>;
64 def SDT_ARMBFI : SDTypeProfile<1, 3, [SDTCisVT<0, i32>, SDTCisVT<1, i32>,
65 SDTCisVT<2, i32>, SDTCisVT<3, i32>]>;
68 def ARMWrapper : SDNode<"ARMISD::Wrapper", SDTIntUnaryOp>;
69 def ARMWrapperJT : SDNode<"ARMISD::WrapperJT", SDTIntBinOp>;
71 def ARMcallseq_start : SDNode<"ISD::CALLSEQ_START", SDT_ARMCallSeqStart,
72 [SDNPHasChain, SDNPOutFlag]>;
73 def ARMcallseq_end : SDNode<"ISD::CALLSEQ_END", SDT_ARMCallSeqEnd,
74 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
76 def ARMcall : SDNode<"ARMISD::CALL", SDT_ARMcall,
77 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag,
79 def ARMcall_pred : SDNode<"ARMISD::CALL_PRED", SDT_ARMcall,
80 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag,
82 def ARMcall_nolink : SDNode<"ARMISD::CALL_NOLINK", SDT_ARMcall,
83 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag,
86 def ARMretflag : SDNode<"ARMISD::RET_FLAG", SDTNone,
87 [SDNPHasChain, SDNPOptInFlag]>;
89 def ARMcmov : SDNode<"ARMISD::CMOV", SDT_ARMCMov,
91 def ARMcneg : SDNode<"ARMISD::CNEG", SDT_ARMCMov,
94 def ARMbrcond : SDNode<"ARMISD::BRCOND", SDT_ARMBrcond,
95 [SDNPHasChain, SDNPInFlag, SDNPOutFlag]>;
97 def ARMbrjt : SDNode<"ARMISD::BR_JT", SDT_ARMBrJT,
99 def ARMbr2jt : SDNode<"ARMISD::BR2_JT", SDT_ARMBr2JT,
102 def ARMBcci64 : SDNode<"ARMISD::BCC_i64", SDT_ARMBCC_i64,
105 def ARMcmp : SDNode<"ARMISD::CMP", SDT_ARMCmp,
108 def ARMcmpZ : SDNode<"ARMISD::CMPZ", SDT_ARMCmp,
109 [SDNPOutFlag,SDNPCommutative]>;
111 def ARMpic_add : SDNode<"ARMISD::PIC_ADD", SDT_ARMPICAdd>;
113 def ARMsrl_flag : SDNode<"ARMISD::SRL_FLAG", SDTIntUnaryOp, [SDNPOutFlag]>;
114 def ARMsra_flag : SDNode<"ARMISD::SRA_FLAG", SDTIntUnaryOp, [SDNPOutFlag]>;
115 def ARMrrx : SDNode<"ARMISD::RRX" , SDTIntUnaryOp, [SDNPInFlag ]>;
117 def ARMthread_pointer: SDNode<"ARMISD::THREAD_POINTER", SDT_ARMThreadPointer>;
118 def ARMeh_sjlj_setjmp: SDNode<"ARMISD::EH_SJLJ_SETJMP",
119 SDT_ARMEH_SJLJ_Setjmp, [SDNPHasChain]>;
120 def ARMeh_sjlj_longjmp: SDNode<"ARMISD::EH_SJLJ_LONGJMP",
121 SDT_ARMEH_SJLJ_Longjmp, [SDNPHasChain]>;
123 def ARMMemBarrier : SDNode<"ARMISD::MEMBARRIER", SDT_ARMMEMBARRIER,
125 def ARMSyncBarrier : SDNode<"ARMISD::SYNCBARRIER", SDT_ARMMEMBARRIER,
127 def ARMMemBarrierMCR : SDNode<"ARMISD::MEMBARRIER", SDT_ARMMEMBARRIERMCR,
129 def ARMSyncBarrierMCR : SDNode<"ARMISD::SYNCBARRIER", SDT_ARMMEMBARRIERMCR,
132 def ARMrbit : SDNode<"ARMISD::RBIT", SDTIntUnaryOp>;
134 def ARMtcret : SDNode<"ARMISD::TC_RETURN", SDT_ARMTCRET,
135 [SDNPHasChain, SDNPOptInFlag, SDNPVariadic]>;
138 def ARMbfi : SDNode<"ARMISD::BFI", SDT_ARMBFI>;
140 //===----------------------------------------------------------------------===//
141 // ARM Instruction Predicate Definitions.
143 def HasV4T : Predicate<"Subtarget->hasV4TOps()">;
144 def NoV4T : Predicate<"!Subtarget->hasV4TOps()">;
145 def HasV5T : Predicate<"Subtarget->hasV5TOps()">;
146 def HasV5TE : Predicate<"Subtarget->hasV5TEOps()">;
147 def HasV6 : Predicate<"Subtarget->hasV6Ops()">;
148 def HasV6T2 : Predicate<"Subtarget->hasV6T2Ops()">;
149 def NoV6T2 : Predicate<"!Subtarget->hasV6T2Ops()">;
150 def HasV7 : Predicate<"Subtarget->hasV7Ops()">;
151 def NoVFP : Predicate<"!Subtarget->hasVFP2()">;
152 def HasVFP2 : Predicate<"Subtarget->hasVFP2()">;
153 def HasVFP3 : Predicate<"Subtarget->hasVFP3()">;
154 def HasNEON : Predicate<"Subtarget->hasNEON()">;
155 def HasDivide : Predicate<"Subtarget->hasDivide()">;
156 def HasT2ExtractPack : Predicate<"Subtarget->hasT2ExtractPack()">;
157 def HasDB : Predicate<"Subtarget->hasDataBarrier()">;
158 def UseNEONForFP : Predicate<"Subtarget->useNEONForSinglePrecisionFP()">;
159 def DontUseNEONForFP : Predicate<"!Subtarget->useNEONForSinglePrecisionFP()">;
160 def IsThumb : Predicate<"Subtarget->isThumb()">;
161 def IsThumb1Only : Predicate<"Subtarget->isThumb1Only()">;
162 def IsThumb2 : Predicate<"Subtarget->isThumb2()">;
163 def IsARM : Predicate<"!Subtarget->isThumb()">;
164 def IsDarwin : Predicate<"Subtarget->isTargetDarwin()">;
165 def IsNotDarwin : Predicate<"!Subtarget->isTargetDarwin()">;
167 // FIXME: Eventually this will be just "hasV6T2Ops".
168 def UseMovt : Predicate<"Subtarget->useMovt()">;
169 def DontUseMovt : Predicate<"!Subtarget->useMovt()">;
171 def UseVMLx : Predicate<"Subtarget->useVMLx()">;
173 //===----------------------------------------------------------------------===//
174 // ARM Flag Definitions.
176 class RegConstraint<string C> {
177 string Constraints = C;
180 //===----------------------------------------------------------------------===//
181 // ARM specific transformation functions and pattern fragments.
184 // so_imm_neg_XFORM - Return a so_imm value packed into the format described for
185 // so_imm_neg def below.
186 def so_imm_neg_XFORM : SDNodeXForm<imm, [{
187 return CurDAG->getTargetConstant(-(int)N->getZExtValue(), MVT::i32);
190 // so_imm_not_XFORM - Return a so_imm value packed into the format described for
191 // so_imm_not def below.
192 def so_imm_not_XFORM : SDNodeXForm<imm, [{
193 return CurDAG->getTargetConstant(~(int)N->getZExtValue(), MVT::i32);
196 // rot_imm predicate - True if the 32-bit immediate is equal to 8, 16, or 24.
197 def rot_imm : PatLeaf<(i32 imm), [{
198 int32_t v = (int32_t)N->getZExtValue();
199 return v == 8 || v == 16 || v == 24;
202 /// imm1_15 predicate - True if the 32-bit immediate is in the range [1,15].
203 def imm1_15 : PatLeaf<(i32 imm), [{
204 return (int32_t)N->getZExtValue() >= 1 && (int32_t)N->getZExtValue() < 16;
207 /// imm16_31 predicate - True if the 32-bit immediate is in the range [16,31].
208 def imm16_31 : PatLeaf<(i32 imm), [{
209 return (int32_t)N->getZExtValue() >= 16 && (int32_t)N->getZExtValue() < 32;
214 return ARM_AM::getSOImmVal(-(int)N->getZExtValue()) != -1;
215 }], so_imm_neg_XFORM>;
219 return ARM_AM::getSOImmVal(~(int)N->getZExtValue()) != -1;
220 }], so_imm_not_XFORM>;
222 // sext_16_node predicate - True if the SDNode is sign-extended 16 or more bits.
223 def sext_16_node : PatLeaf<(i32 GPR:$a), [{
224 return CurDAG->ComputeNumSignBits(SDValue(N,0)) >= 17;
227 /// bf_inv_mask_imm predicate - An AND mask to clear an arbitrary width bitfield
229 def bf_inv_mask_imm : Operand<i32>,
231 return ARM::isBitFieldInvertedMask(N->getZExtValue());
233 let PrintMethod = "printBitfieldInvMaskImmOperand";
236 /// Split a 32-bit immediate into two 16 bit parts.
237 def hi16 : SDNodeXForm<imm, [{
238 return CurDAG->getTargetConstant((uint32_t)N->getZExtValue() >> 16, MVT::i32);
241 def lo16AllZero : PatLeaf<(i32 imm), [{
242 // Returns true if all low 16-bits are 0.
243 return (((uint32_t)N->getZExtValue()) & 0xFFFFUL) == 0;
246 /// imm0_65535 predicate - True if the 32-bit immediate is in the range
248 def imm0_65535 : PatLeaf<(i32 imm), [{
249 return (uint32_t)N->getZExtValue() < 65536;
252 class BinOpFrag<dag res> : PatFrag<(ops node:$LHS, node:$RHS), res>;
253 class UnOpFrag <dag res> : PatFrag<(ops node:$Src), res>;
255 /// adde and sube predicates - True based on whether the carry flag output
256 /// will be needed or not.
257 def adde_dead_carry :
258 PatFrag<(ops node:$LHS, node:$RHS), (adde node:$LHS, node:$RHS),
259 [{return !N->hasAnyUseOfValue(1);}]>;
260 def sube_dead_carry :
261 PatFrag<(ops node:$LHS, node:$RHS), (sube node:$LHS, node:$RHS),
262 [{return !N->hasAnyUseOfValue(1);}]>;
263 def adde_live_carry :
264 PatFrag<(ops node:$LHS, node:$RHS), (adde node:$LHS, node:$RHS),
265 [{return N->hasAnyUseOfValue(1);}]>;
266 def sube_live_carry :
267 PatFrag<(ops node:$LHS, node:$RHS), (sube node:$LHS, node:$RHS),
268 [{return N->hasAnyUseOfValue(1);}]>;
270 //===----------------------------------------------------------------------===//
271 // Operand Definitions.
275 def brtarget : Operand<OtherVT>;
277 // A list of registers separated by comma. Used by load/store multiple.
278 def reglist : Operand<i32> {
279 let PrintMethod = "printRegisterList";
282 // An operand for the CONSTPOOL_ENTRY pseudo-instruction.
283 def cpinst_operand : Operand<i32> {
284 let PrintMethod = "printCPInstOperand";
287 def jtblock_operand : Operand<i32> {
288 let PrintMethod = "printJTBlockOperand";
290 def jt2block_operand : Operand<i32> {
291 let PrintMethod = "printJT2BlockOperand";
295 def pclabel : Operand<i32> {
296 let PrintMethod = "printPCLabel";
299 // shift_imm: An integer that encodes a shift amount and the type of shift
300 // (currently either asr or lsl) using the same encoding used for the
301 // immediates in so_reg operands.
302 def shift_imm : Operand<i32> {
303 let PrintMethod = "printShiftImmOperand";
306 // shifter_operand operands: so_reg and so_imm.
307 def so_reg : Operand<i32>, // reg reg imm
308 ComplexPattern<i32, 3, "SelectShifterOperandReg",
309 [shl,srl,sra,rotr]> {
310 let PrintMethod = "printSORegOperand";
311 let MIOperandInfo = (ops GPR, GPR, i32imm);
314 // so_imm - Match a 32-bit shifter_operand immediate operand, which is an
315 // 8-bit immediate rotated by an arbitrary number of bits. so_imm values are
316 // represented in the imm field in the same 12-bit form that they are encoded
317 // into so_imm instructions: the 8-bit immediate is the least significant bits
318 // [bits 0-7], the 4-bit shift amount is the next 4 bits [bits 8-11].
319 def so_imm : Operand<i32>,
321 return ARM_AM::getSOImmVal(N->getZExtValue()) != -1;
323 let PrintMethod = "printSOImmOperand";
326 // Break so_imm's up into two pieces. This handles immediates with up to 16
327 // bits set in them. This uses so_imm2part to match and so_imm2part_[12] to
328 // get the first/second pieces.
329 def so_imm2part : Operand<i32>,
331 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
333 let PrintMethod = "printSOImm2PartOperand";
336 def so_imm2part_1 : SDNodeXForm<imm, [{
337 unsigned V = ARM_AM::getSOImmTwoPartFirst((unsigned)N->getZExtValue());
338 return CurDAG->getTargetConstant(V, MVT::i32);
341 def so_imm2part_2 : SDNodeXForm<imm, [{
342 unsigned V = ARM_AM::getSOImmTwoPartSecond((unsigned)N->getZExtValue());
343 return CurDAG->getTargetConstant(V, MVT::i32);
346 def so_neg_imm2part : Operand<i32>, PatLeaf<(imm), [{
347 return ARM_AM::isSOImmTwoPartVal(-(int)N->getZExtValue());
349 let PrintMethod = "printSOImm2PartOperand";
352 def so_neg_imm2part_1 : SDNodeXForm<imm, [{
353 unsigned V = ARM_AM::getSOImmTwoPartFirst(-(int)N->getZExtValue());
354 return CurDAG->getTargetConstant(V, MVT::i32);
357 def so_neg_imm2part_2 : SDNodeXForm<imm, [{
358 unsigned V = ARM_AM::getSOImmTwoPartSecond(-(int)N->getZExtValue());
359 return CurDAG->getTargetConstant(V, MVT::i32);
362 /// imm0_31 predicate - True if the 32-bit immediate is in the range [0,31].
363 def imm0_31 : Operand<i32>, PatLeaf<(imm), [{
364 return (int32_t)N->getZExtValue() < 32;
367 // Define ARM specific addressing modes.
369 // addrmode2 := reg +/- reg shop imm
370 // addrmode2 := reg +/- imm12
372 def addrmode2 : Operand<i32>,
373 ComplexPattern<i32, 3, "SelectAddrMode2", []> {
374 let PrintMethod = "printAddrMode2Operand";
375 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
378 def am2offset : Operand<i32>,
379 ComplexPattern<i32, 2, "SelectAddrMode2Offset", []> {
380 let PrintMethod = "printAddrMode2OffsetOperand";
381 let MIOperandInfo = (ops GPR, i32imm);
384 // addrmode3 := reg +/- reg
385 // addrmode3 := reg +/- imm8
387 def addrmode3 : Operand<i32>,
388 ComplexPattern<i32, 3, "SelectAddrMode3", []> {
389 let PrintMethod = "printAddrMode3Operand";
390 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
393 def am3offset : Operand<i32>,
394 ComplexPattern<i32, 2, "SelectAddrMode3Offset", []> {
395 let PrintMethod = "printAddrMode3OffsetOperand";
396 let MIOperandInfo = (ops GPR, i32imm);
399 // addrmode4 := reg, <mode|W>
401 def addrmode4 : Operand<i32>,
402 ComplexPattern<i32, 2, "SelectAddrMode4", []> {
403 let PrintMethod = "printAddrMode4Operand";
404 let MIOperandInfo = (ops GPR:$addr, i32imm);
407 // addrmode5 := reg +/- imm8*4
409 def addrmode5 : Operand<i32>,
410 ComplexPattern<i32, 2, "SelectAddrMode5", []> {
411 let PrintMethod = "printAddrMode5Operand";
412 let MIOperandInfo = (ops GPR:$base, i32imm);
415 // addrmode6 := reg with optional writeback
417 def addrmode6 : Operand<i32>,
418 ComplexPattern<i32, 2, "SelectAddrMode6", []> {
419 let PrintMethod = "printAddrMode6Operand";
420 let MIOperandInfo = (ops GPR:$addr, i32imm);
423 def am6offset : Operand<i32> {
424 let PrintMethod = "printAddrMode6OffsetOperand";
425 let MIOperandInfo = (ops GPR);
428 // addrmodepc := pc + reg
430 def addrmodepc : Operand<i32>,
431 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
432 let PrintMethod = "printAddrModePCOperand";
433 let MIOperandInfo = (ops GPR, i32imm);
436 def nohash_imm : Operand<i32> {
437 let PrintMethod = "printNoHashImmediate";
440 //===----------------------------------------------------------------------===//
442 include "ARMInstrFormats.td"
444 //===----------------------------------------------------------------------===//
445 // Multiclass helpers...
448 /// AsI1_bin_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns for a
449 /// binop that produces a value.
450 multiclass AsI1_bin_irs<bits<4> opcod, string opc, PatFrag opnode,
451 bit Commutable = 0> {
452 def ri : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
453 IIC_iALUi, opc, "\t$dst, $a, $b",
454 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]> {
457 def rr : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
458 IIC_iALUr, opc, "\t$dst, $a, $b",
459 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]> {
460 let Inst{11-4} = 0b00000000;
462 let isCommutable = Commutable;
464 def rs : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
465 IIC_iALUsr, opc, "\t$dst, $a, $b",
466 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]> {
471 /// AI1_bin_s_irs - Similar to AsI1_bin_irs except it sets the 's' bit so the
472 /// instruction modifies the CPSR register.
473 let Defs = [CPSR] in {
474 multiclass AI1_bin_s_irs<bits<4> opcod, string opc, PatFrag opnode,
475 bit Commutable = 0> {
476 def ri : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
477 IIC_iALUi, opc, "\t$dst, $a, $b",
478 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]> {
482 def rr : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
483 IIC_iALUr, opc, "\t$dst, $a, $b",
484 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]> {
485 let isCommutable = Commutable;
486 let Inst{11-4} = 0b00000000;
490 def rs : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
491 IIC_iALUsr, opc, "\t$dst, $a, $b",
492 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]> {
499 /// AI1_cmp_irs - Defines a set of (op r, {so_imm|r|so_reg}) cmp / test
500 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
501 /// a explicit result, only implicitly set CPSR.
502 let isCompare = 1, Defs = [CPSR] in {
503 multiclass AI1_cmp_irs<bits<4> opcod, string opc, PatFrag opnode,
504 bit Commutable = 0> {
505 def ri : AI1<opcod, (outs), (ins GPR:$a, so_imm:$b), DPFrm, IIC_iCMPi,
507 [(opnode GPR:$a, so_imm:$b)]> {
511 def rr : AI1<opcod, (outs), (ins GPR:$a, GPR:$b), DPFrm, IIC_iCMPr,
513 [(opnode GPR:$a, GPR:$b)]> {
514 let Inst{11-4} = 0b00000000;
517 let isCommutable = Commutable;
519 def rs : AI1<opcod, (outs), (ins GPR:$a, so_reg:$b), DPSoRegFrm, IIC_iCMPsr,
521 [(opnode GPR:$a, so_reg:$b)]> {
528 /// AI_unary_rrot - A unary operation with two forms: one whose operand is a
529 /// register and one whose operand is a register rotated by 8/16/24.
530 /// FIXME: Remove the 'r' variant. Its rot_imm is zero.
531 multiclass AI_unary_rrot<bits<8> opcod, string opc, PatFrag opnode> {
532 def r : AExtI<opcod, (outs GPR:$dst), (ins GPR:$src),
533 IIC_iUNAr, opc, "\t$dst, $src",
534 [(set GPR:$dst, (opnode GPR:$src))]>,
535 Requires<[IsARM, HasV6]> {
536 let Inst{11-10} = 0b00;
537 let Inst{19-16} = 0b1111;
539 def r_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$src, i32imm:$rot),
540 IIC_iUNAsi, opc, "\t$dst, $src, ror $rot",
541 [(set GPR:$dst, (opnode (rotr GPR:$src, rot_imm:$rot)))]>,
542 Requires<[IsARM, HasV6]> {
543 let Inst{19-16} = 0b1111;
547 multiclass AI_unary_rrot_np<bits<8> opcod, string opc> {
548 def r : AExtI<opcod, (outs GPR:$dst), (ins GPR:$src),
549 IIC_iUNAr, opc, "\t$dst, $src",
550 [/* For disassembly only; pattern left blank */]>,
551 Requires<[IsARM, HasV6]> {
552 let Inst{11-10} = 0b00;
553 let Inst{19-16} = 0b1111;
555 def r_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$src, i32imm:$rot),
556 IIC_iUNAsi, opc, "\t$dst, $src, ror $rot",
557 [/* For disassembly only; pattern left blank */]>,
558 Requires<[IsARM, HasV6]> {
559 let Inst{19-16} = 0b1111;
563 /// AI_bin_rrot - A binary operation with two forms: one whose operand is a
564 /// register and one whose operand is a register rotated by 8/16/24.
565 multiclass AI_bin_rrot<bits<8> opcod, string opc, PatFrag opnode> {
566 def rr : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS),
567 IIC_iALUr, opc, "\t$dst, $LHS, $RHS",
568 [(set GPR:$dst, (opnode GPR:$LHS, GPR:$RHS))]>,
569 Requires<[IsARM, HasV6]> {
570 let Inst{11-10} = 0b00;
572 def rr_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS,
574 IIC_iALUsi, opc, "\t$dst, $LHS, $RHS, ror $rot",
575 [(set GPR:$dst, (opnode GPR:$LHS,
576 (rotr GPR:$RHS, rot_imm:$rot)))]>,
577 Requires<[IsARM, HasV6]>;
580 // For disassembly only.
581 multiclass AI_bin_rrot_np<bits<8> opcod, string opc> {
582 def rr : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS),
583 IIC_iALUr, opc, "\t$dst, $LHS, $RHS",
584 [/* For disassembly only; pattern left blank */]>,
585 Requires<[IsARM, HasV6]> {
586 let Inst{11-10} = 0b00;
588 def rr_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS,
590 IIC_iALUsi, opc, "\t$dst, $LHS, $RHS, ror $rot",
591 [/* For disassembly only; pattern left blank */]>,
592 Requires<[IsARM, HasV6]>;
595 /// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
596 let Uses = [CPSR] in {
597 multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode,
598 bit Commutable = 0> {
599 def ri : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
600 DPFrm, IIC_iALUi, opc, "\t$dst, $a, $b",
601 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]>,
605 def rr : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
606 DPFrm, IIC_iALUr, opc, "\t$dst, $a, $b",
607 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]>,
609 let isCommutable = Commutable;
610 let Inst{11-4} = 0b00000000;
613 def rs : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
614 DPSoRegFrm, IIC_iALUsr, opc, "\t$dst, $a, $b",
615 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]>,
620 // Carry setting variants
621 let Defs = [CPSR] in {
622 multiclass AI1_adde_sube_s_irs<bits<4> opcod, string opc, PatFrag opnode,
623 bit Commutable = 0> {
624 def Sri : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
625 DPFrm, IIC_iALUi, !strconcat(opc, "\t$dst, $a, $b"),
626 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]>,
631 def Srr : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
632 DPFrm, IIC_iALUr, !strconcat(opc, "\t$dst, $a, $b"),
633 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]>,
635 let Inst{11-4} = 0b00000000;
639 def Srs : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
640 DPSoRegFrm, IIC_iALUsr, !strconcat(opc, "\t$dst, $a, $b"),
641 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]>,
650 //===----------------------------------------------------------------------===//
652 //===----------------------------------------------------------------------===//
654 //===----------------------------------------------------------------------===//
655 // Miscellaneous Instructions.
658 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
659 /// the function. The first operand is the ID# for this instruction, the second
660 /// is the index into the MachineConstantPool that this is, the third is the
661 /// size in bytes of this constant pool entry.
662 let neverHasSideEffects = 1, isNotDuplicable = 1 in
663 def CONSTPOOL_ENTRY :
664 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
665 i32imm:$size), NoItinerary,
666 "${instid:label} ${cpidx:cpentry}", []>;
668 // FIXME: Marking these as hasSideEffects is necessary to prevent machine DCE
669 // from removing one half of the matched pairs. That breaks PEI, which assumes
670 // these will always be in pairs, and asserts if it finds otherwise. Better way?
671 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
673 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary,
674 "${:comment} ADJCALLSTACKUP $amt1",
675 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
677 def ADJCALLSTACKDOWN :
678 PseudoInst<(outs), (ins i32imm:$amt, pred:$p), NoItinerary,
679 "${:comment} ADJCALLSTACKDOWN $amt",
680 [(ARMcallseq_start timm:$amt)]>;
683 def NOP : AI<(outs), (ins), MiscFrm, NoItinerary, "nop", "",
684 [/* For disassembly only; pattern left blank */]>,
685 Requires<[IsARM, HasV6T2]> {
686 let Inst{27-16} = 0b001100100000;
687 let Inst{7-0} = 0b00000000;
690 def YIELD : AI<(outs), (ins), MiscFrm, NoItinerary, "yield", "",
691 [/* For disassembly only; pattern left blank */]>,
692 Requires<[IsARM, HasV6T2]> {
693 let Inst{27-16} = 0b001100100000;
694 let Inst{7-0} = 0b00000001;
697 def WFE : AI<(outs), (ins), MiscFrm, NoItinerary, "wfe", "",
698 [/* For disassembly only; pattern left blank */]>,
699 Requires<[IsARM, HasV6T2]> {
700 let Inst{27-16} = 0b001100100000;
701 let Inst{7-0} = 0b00000010;
704 def WFI : AI<(outs), (ins), MiscFrm, NoItinerary, "wfi", "",
705 [/* For disassembly only; pattern left blank */]>,
706 Requires<[IsARM, HasV6T2]> {
707 let Inst{27-16} = 0b001100100000;
708 let Inst{7-0} = 0b00000011;
711 def SEL : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm, NoItinerary, "sel",
713 [/* For disassembly only; pattern left blank */]>,
714 Requires<[IsARM, HasV6]> {
715 let Inst{27-20} = 0b01101000;
716 let Inst{7-4} = 0b1011;
719 def SEV : AI<(outs), (ins), MiscFrm, NoItinerary, "sev", "",
720 [/* For disassembly only; pattern left blank */]>,
721 Requires<[IsARM, HasV6T2]> {
722 let Inst{27-16} = 0b001100100000;
723 let Inst{7-0} = 0b00000100;
726 // The i32imm operand $val can be used by a debugger to store more information
727 // about the breakpoint.
728 def BKPT : AI<(outs), (ins i32imm:$val), MiscFrm, NoItinerary, "bkpt", "\t$val",
729 [/* For disassembly only; pattern left blank */]>,
731 let Inst{27-20} = 0b00010010;
732 let Inst{7-4} = 0b0111;
735 // Change Processor State is a system instruction -- for disassembly only.
736 // The singleton $opt operand contains the following information:
737 // opt{4-0} = mode from Inst{4-0}
738 // opt{5} = changemode from Inst{17}
739 // opt{8-6} = AIF from Inst{8-6}
740 // opt{10-9} = imod from Inst{19-18} with 0b10 as enable and 0b11 as disable
741 def CPS : AXI<(outs), (ins cps_opt:$opt), MiscFrm, NoItinerary, "cps$opt",
742 [/* For disassembly only; pattern left blank */]>,
744 let Inst{31-28} = 0b1111;
745 let Inst{27-20} = 0b00010000;
750 // Preload signals the memory system of possible future data/instruction access.
751 // These are for disassembly only.
753 // A8.6.117, A8.6.118. Different instructions are generated for #0 and #-0.
754 // The neg_zero operand translates -0 to -1, -1 to -2, ..., etc.
755 multiclass APreLoad<bit data, bit read, string opc> {
757 def i : AXI<(outs), (ins GPR:$base, neg_zero:$imm), MiscFrm, NoItinerary,
758 !strconcat(opc, "\t[$base, $imm]"), []> {
759 let Inst{31-26} = 0b111101;
760 let Inst{25} = 0; // 0 for immediate form
763 let Inst{21-20} = 0b01;
766 def r : AXI<(outs), (ins addrmode2:$addr), MiscFrm, NoItinerary,
767 !strconcat(opc, "\t$addr"), []> {
768 let Inst{31-26} = 0b111101;
769 let Inst{25} = 1; // 1 for register form
772 let Inst{21-20} = 0b01;
777 defm PLD : APreLoad<1, 1, "pld">;
778 defm PLDW : APreLoad<1, 0, "pldw">;
779 defm PLI : APreLoad<0, 1, "pli">;
781 def SETENDBE : AXI<(outs),(ins), MiscFrm, NoItinerary, "setend\tbe",
782 [/* For disassembly only; pattern left blank */]>,
784 let Inst{31-28} = 0b1111;
785 let Inst{27-20} = 0b00010000;
788 let Inst{7-4} = 0b0000;
791 def SETENDLE : AXI<(outs),(ins), MiscFrm, NoItinerary, "setend\tle",
792 [/* For disassembly only; pattern left blank */]>,
794 let Inst{31-28} = 0b1111;
795 let Inst{27-20} = 0b00010000;
798 let Inst{7-4} = 0b0000;
801 def DBG : AI<(outs), (ins i32imm:$opt), MiscFrm, NoItinerary, "dbg", "\t$opt",
802 [/* For disassembly only; pattern left blank */]>,
803 Requires<[IsARM, HasV7]> {
804 let Inst{27-16} = 0b001100100000;
805 let Inst{7-4} = 0b1111;
808 // A5.4 Permanently UNDEFINED instructions.
809 // FIXME: Temporary emitted as raw bytes until this pseudo-op will be added to
811 let isBarrier = 1, isTerminator = 1 in
812 def TRAP : AXI<(outs), (ins), MiscFrm, NoItinerary,
813 ".long 0xe7ffdefe ${:comment} trap", [(trap)]>,
815 let Inst{27-25} = 0b011;
816 let Inst{24-20} = 0b11111;
817 let Inst{7-5} = 0b111;
821 // Address computation and loads and stores in PIC mode.
822 let isNotDuplicable = 1 in {
823 def PICADD : AXI1<0b0100, (outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
824 Pseudo, IIC_iALUr, "\n$cp:\n\tadd$p\t$dst, pc, $a",
825 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
827 let AddedComplexity = 10 in {
828 def PICLDR : AXI2ldw<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
829 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldr$p\t$dst, $addr",
830 [(set GPR:$dst, (load addrmodepc:$addr))]>;
832 def PICLDRH : AXI3ldh<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
833 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldrh${p}\t$dst, $addr",
834 [(set GPR:$dst, (zextloadi16 addrmodepc:$addr))]>;
836 def PICLDRB : AXI2ldb<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
837 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldrb${p}\t$dst, $addr",
838 [(set GPR:$dst, (zextloadi8 addrmodepc:$addr))]>;
840 def PICLDRSH : AXI3ldsh<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
841 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldrsh${p}\t$dst, $addr",
842 [(set GPR:$dst, (sextloadi16 addrmodepc:$addr))]>;
844 def PICLDRSB : AXI3ldsb<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
845 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldrsb${p}\t$dst, $addr",
846 [(set GPR:$dst, (sextloadi8 addrmodepc:$addr))]>;
848 let AddedComplexity = 10 in {
849 def PICSTR : AXI2stw<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
850 Pseudo, IIC_iStorer, "\n${addr:label}:\n\tstr$p\t$src, $addr",
851 [(store GPR:$src, addrmodepc:$addr)]>;
853 def PICSTRH : AXI3sth<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
854 Pseudo, IIC_iStorer, "\n${addr:label}:\n\tstrh${p}\t$src, $addr",
855 [(truncstorei16 GPR:$src, addrmodepc:$addr)]>;
857 def PICSTRB : AXI2stb<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
858 Pseudo, IIC_iStorer, "\n${addr:label}:\n\tstrb${p}\t$src, $addr",
859 [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
861 } // isNotDuplicable = 1
864 // LEApcrel - Load a pc-relative address into a register without offending the
866 let neverHasSideEffects = 1 in {
867 let isReMaterializable = 1 in
868 def LEApcrel : AXI1<0x0, (outs GPR:$dst), (ins i32imm:$label, pred:$p),
870 "adr$p\t$dst, #$label", []>;
872 } // neverHasSideEffects
873 def LEApcrelJT : AXI1<0x0, (outs GPR:$dst),
874 (ins i32imm:$label, nohash_imm:$id, pred:$p),
876 "adr$p\t$dst, #${label}_${id}", []> {
880 //===----------------------------------------------------------------------===//
881 // Control Flow Instructions.
884 let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
886 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
887 "bx", "\tlr", [(ARMretflag)]>,
888 Requires<[IsARM, HasV4T]> {
889 let Inst{3-0} = 0b1110;
890 let Inst{7-4} = 0b0001;
891 let Inst{19-8} = 0b111111111111;
892 let Inst{27-20} = 0b00010010;
896 def MOVPCLR : AI<(outs), (ins), BrMiscFrm, IIC_Br,
897 "mov", "\tpc, lr", [(ARMretflag)]>,
898 Requires<[IsARM, NoV4T]> {
899 let Inst{11-0} = 0b000000001110;
900 let Inst{15-12} = 0b1111;
901 let Inst{19-16} = 0b0000;
902 let Inst{27-20} = 0b00011010;
907 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
909 def BRIND : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
911 Requires<[IsARM, HasV4T]> {
912 let Inst{7-4} = 0b0001;
913 let Inst{19-8} = 0b111111111111;
914 let Inst{27-20} = 0b00010010;
915 let Inst{31-28} = 0b1110;
919 def MOVPCRX : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "mov\tpc, $dst",
921 Requires<[IsARM, NoV4T]> {
922 let Inst{11-4} = 0b00000000;
923 let Inst{15-12} = 0b1111;
924 let Inst{19-16} = 0b0000;
925 let Inst{27-20} = 0b00011010;
926 let Inst{31-28} = 0b1110;
930 // FIXME: remove when we have a way to marking a MI with these properties.
931 // FIXME: Should pc be an implicit operand like PICADD, etc?
932 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
933 hasExtraDefRegAllocReq = 1 in
934 def LDM_RET : AXI4ld<(outs GPR:$wb), (ins addrmode4:$addr, pred:$p,
935 reglist:$dsts, variable_ops),
936 IndexModeUpd, LdStMulFrm, IIC_Br,
937 "ldm${addr:submode}${p}\t$addr!, $dsts",
938 "$addr.addr = $wb", []>;
940 // On non-Darwin platforms R9 is callee-saved.
942 Defs = [R0, R1, R2, R3, R12, LR,
943 D0, D1, D2, D3, D4, D5, D6, D7,
944 D16, D17, D18, D19, D20, D21, D22, D23,
945 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR] in {
946 def BL : ABXI<0b1011, (outs), (ins i32imm:$func, variable_ops),
947 IIC_Br, "bl\t${func:call}",
948 [(ARMcall tglobaladdr:$func)]>,
949 Requires<[IsARM, IsNotDarwin]> {
950 let Inst{31-28} = 0b1110;
953 def BL_pred : ABI<0b1011, (outs), (ins i32imm:$func, variable_ops),
954 IIC_Br, "bl", "\t${func:call}",
955 [(ARMcall_pred tglobaladdr:$func)]>,
956 Requires<[IsARM, IsNotDarwin]>;
959 def BLX : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
960 IIC_Br, "blx\t$func",
961 [(ARMcall GPR:$func)]>,
962 Requires<[IsARM, HasV5T, IsNotDarwin]> {
963 let Inst{7-4} = 0b0011;
964 let Inst{19-8} = 0b111111111111;
965 let Inst{27-20} = 0b00010010;
969 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
970 def BX : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
971 IIC_Br, "mov\tlr, pc\n\tbx\t$func",
972 [(ARMcall_nolink tGPR:$func)]>,
973 Requires<[IsARM, HasV4T, IsNotDarwin]> {
974 let Inst{7-4} = 0b0001;
975 let Inst{19-8} = 0b111111111111;
976 let Inst{27-20} = 0b00010010;
980 def BMOVPCRX : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
981 IIC_Br, "mov\tlr, pc\n\tmov\tpc, $func",
982 [(ARMcall_nolink tGPR:$func)]>,
983 Requires<[IsARM, NoV4T, IsNotDarwin]> {
984 let Inst{11-4} = 0b00000000;
985 let Inst{15-12} = 0b1111;
986 let Inst{19-16} = 0b0000;
987 let Inst{27-20} = 0b00011010;
991 // On Darwin R9 is call-clobbered.
993 Defs = [R0, R1, R2, R3, R9, R12, LR,
994 D0, D1, D2, D3, D4, D5, D6, D7,
995 D16, D17, D18, D19, D20, D21, D22, D23,
996 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR] in {
997 def BLr9 : ABXI<0b1011, (outs), (ins i32imm:$func, variable_ops),
998 IIC_Br, "bl\t${func:call}",
999 [(ARMcall tglobaladdr:$func)]>, Requires<[IsARM, IsDarwin]> {
1000 let Inst{31-28} = 0b1110;
1003 def BLr9_pred : ABI<0b1011, (outs), (ins i32imm:$func, variable_ops),
1004 IIC_Br, "bl", "\t${func:call}",
1005 [(ARMcall_pred tglobaladdr:$func)]>,
1006 Requires<[IsARM, IsDarwin]>;
1009 def BLXr9 : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1010 IIC_Br, "blx\t$func",
1011 [(ARMcall GPR:$func)]>, Requires<[IsARM, HasV5T, IsDarwin]> {
1012 let Inst{7-4} = 0b0011;
1013 let Inst{19-8} = 0b111111111111;
1014 let Inst{27-20} = 0b00010010;
1018 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1019 def BXr9 : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1020 IIC_Br, "mov\tlr, pc\n\tbx\t$func",
1021 [(ARMcall_nolink tGPR:$func)]>,
1022 Requires<[IsARM, HasV4T, IsDarwin]> {
1023 let Inst{7-4} = 0b0001;
1024 let Inst{19-8} = 0b111111111111;
1025 let Inst{27-20} = 0b00010010;
1029 def BMOVPCRXr9 : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1030 IIC_Br, "mov\tlr, pc\n\tmov\tpc, $func",
1031 [(ARMcall_nolink tGPR:$func)]>,
1032 Requires<[IsARM, NoV4T, IsDarwin]> {
1033 let Inst{11-4} = 0b00000000;
1034 let Inst{15-12} = 0b1111;
1035 let Inst{19-16} = 0b0000;
1036 let Inst{27-20} = 0b00011010;
1042 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in {
1044 let Defs = [R0, R1, R2, R3, R9, R12,
1045 D0, D1, D2, D3, D4, D5, D6, D7,
1046 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26,
1047 D27, D28, D29, D30, D31, PC],
1049 def TCRETURNdi : AInoP<(outs), (ins i32imm:$dst, variable_ops),
1051 "@TC_RETURN","\t$dst", []>, Requires<[IsDarwin]>;
1053 def TCRETURNri : AInoP<(outs), (ins tcGPR:$dst, variable_ops),
1055 "@TC_RETURN","\t$dst", []>, Requires<[IsDarwin]>;
1057 def TAILJMPd : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1058 IIC_Br, "b\t$dst @ TAILCALL",
1059 []>, Requires<[IsDarwin]>;
1061 def TAILJMPdt: ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1062 IIC_Br, "b.w\t$dst @ TAILCALL",
1063 []>, Requires<[IsDarwin]>;
1065 def TAILJMPr : AXI<(outs), (ins tcGPR:$dst, variable_ops),
1066 BrMiscFrm, IIC_Br, "bx\t$dst @ TAILCALL",
1067 []>, Requires<[IsDarwin]> {
1068 let Inst{7-4} = 0b0001;
1069 let Inst{19-8} = 0b111111111111;
1070 let Inst{27-20} = 0b00010010;
1071 let Inst{31-28} = 0b1110;
1075 // Non-Darwin versions (the difference is R9).
1076 let Defs = [R0, R1, R2, R3, R12,
1077 D0, D1, D2, D3, D4, D5, D6, D7,
1078 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26,
1079 D27, D28, D29, D30, D31, PC],
1081 def TCRETURNdiND : AInoP<(outs), (ins i32imm:$dst, variable_ops),
1083 "@TC_RETURN","\t$dst", []>, Requires<[IsNotDarwin]>;
1085 def TCRETURNriND : AInoP<(outs), (ins tcGPR:$dst, variable_ops),
1087 "@TC_RETURN","\t$dst", []>, Requires<[IsNotDarwin]>;
1089 def TAILJMPdND : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1090 IIC_Br, "b\t$dst @ TAILCALL",
1091 []>, Requires<[IsARM, IsNotDarwin]>;
1093 def TAILJMPdNDt : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1094 IIC_Br, "b.w\t$dst @ TAILCALL",
1095 []>, Requires<[IsThumb, IsNotDarwin]>;
1097 def TAILJMPrND : AXI<(outs), (ins tcGPR:$dst, variable_ops),
1098 BrMiscFrm, IIC_Br, "bx\t$dst @ TAILCALL",
1099 []>, Requires<[IsNotDarwin]> {
1100 let Inst{7-4} = 0b0001;
1101 let Inst{19-8} = 0b111111111111;
1102 let Inst{27-20} = 0b00010010;
1103 let Inst{31-28} = 0b1110;
1108 let isBranch = 1, isTerminator = 1 in {
1109 // B is "predicable" since it can be xformed into a Bcc.
1110 let isBarrier = 1 in {
1111 let isPredicable = 1 in
1112 def B : ABXI<0b1010, (outs), (ins brtarget:$target), IIC_Br,
1113 "b\t$target", [(br bb:$target)]>;
1115 let isNotDuplicable = 1, isIndirectBranch = 1 in {
1116 def BR_JTr : JTI<(outs), (ins GPR:$target, jtblock_operand:$jt, i32imm:$id),
1117 IIC_Br, "mov\tpc, $target$jt",
1118 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]> {
1119 let Inst{11-4} = 0b00000000;
1120 let Inst{15-12} = 0b1111;
1121 let Inst{20} = 0; // S Bit
1122 let Inst{24-21} = 0b1101;
1123 let Inst{27-25} = 0b000;
1125 def BR_JTm : JTI<(outs),
1126 (ins addrmode2:$target, jtblock_operand:$jt, i32imm:$id),
1127 IIC_Br, "ldr\tpc, $target$jt",
1128 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
1130 let Inst{15-12} = 0b1111;
1131 let Inst{20} = 1; // L bit
1132 let Inst{21} = 0; // W bit
1133 let Inst{22} = 0; // B bit
1134 let Inst{24} = 1; // P bit
1135 let Inst{27-25} = 0b011;
1137 def BR_JTadd : JTI<(outs),
1138 (ins GPR:$target, GPR:$idx, jtblock_operand:$jt, i32imm:$id),
1139 IIC_Br, "add\tpc, $target, $idx$jt",
1140 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
1142 let Inst{15-12} = 0b1111;
1143 let Inst{20} = 0; // S bit
1144 let Inst{24-21} = 0b0100;
1145 let Inst{27-25} = 0b000;
1147 } // isNotDuplicable = 1, isIndirectBranch = 1
1150 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
1151 // a two-value operand where a dag node expects two operands. :(
1152 def Bcc : ABI<0b1010, (outs), (ins brtarget:$target),
1153 IIC_Br, "b", "\t$target",
1154 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]>;
1157 // Branch and Exchange Jazelle -- for disassembly only
1158 def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
1159 [/* For disassembly only; pattern left blank */]> {
1160 let Inst{23-20} = 0b0010;
1161 //let Inst{19-8} = 0xfff;
1162 let Inst{7-4} = 0b0010;
1165 // Secure Monitor Call is a system instruction -- for disassembly only
1166 def SMC : ABI<0b0001, (outs), (ins i32imm:$opt), NoItinerary, "smc", "\t$opt",
1167 [/* For disassembly only; pattern left blank */]> {
1168 let Inst{23-20} = 0b0110;
1169 let Inst{7-4} = 0b0111;
1172 // Supervisor Call (Software Interrupt) -- for disassembly only
1174 def SVC : ABI<0b1111, (outs), (ins i32imm:$svc), IIC_Br, "svc", "\t$svc",
1175 [/* For disassembly only; pattern left blank */]>;
1178 // Store Return State is a system instruction -- for disassembly only
1179 def SRSW : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, i32imm:$mode),
1180 NoItinerary, "srs${addr:submode}\tsp!, $mode",
1181 [/* For disassembly only; pattern left blank */]> {
1182 let Inst{31-28} = 0b1111;
1183 let Inst{22-20} = 0b110; // W = 1
1186 def SRS : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, i32imm:$mode),
1187 NoItinerary, "srs${addr:submode}\tsp, $mode",
1188 [/* For disassembly only; pattern left blank */]> {
1189 let Inst{31-28} = 0b1111;
1190 let Inst{22-20} = 0b100; // W = 0
1193 // Return From Exception is a system instruction -- for disassembly only
1194 def RFEW : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, GPR:$base),
1195 NoItinerary, "rfe${addr:submode}\t$base!",
1196 [/* For disassembly only; pattern left blank */]> {
1197 let Inst{31-28} = 0b1111;
1198 let Inst{22-20} = 0b011; // W = 1
1201 def RFE : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, GPR:$base),
1202 NoItinerary, "rfe${addr:submode}\t$base",
1203 [/* For disassembly only; pattern left blank */]> {
1204 let Inst{31-28} = 0b1111;
1205 let Inst{22-20} = 0b001; // W = 0
1208 //===----------------------------------------------------------------------===//
1209 // Load / store Instructions.
1213 let canFoldAsLoad = 1, isReMaterializable = 1 in
1214 def LDR : AI2ldw<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm, IIC_iLoadr,
1215 "ldr", "\t$dst, $addr",
1216 [(set GPR:$dst, (load addrmode2:$addr))]>;
1218 // Special LDR for loads from non-pc-relative constpools.
1219 let canFoldAsLoad = 1, mayLoad = 1, neverHasSideEffects = 1,
1220 isReMaterializable = 1 in
1221 def LDRcp : AI2ldw<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm, IIC_iLoadr,
1222 "ldr", "\t$dst, $addr", []>;
1224 // Loads with zero extension
1225 def LDRH : AI3ldh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
1226 IIC_iLoadr, "ldrh", "\t$dst, $addr",
1227 [(set GPR:$dst, (zextloadi16 addrmode3:$addr))]>;
1229 def LDRB : AI2ldb<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm,
1230 IIC_iLoadr, "ldrb", "\t$dst, $addr",
1231 [(set GPR:$dst, (zextloadi8 addrmode2:$addr))]>;
1233 // Loads with sign extension
1234 def LDRSH : AI3ldsh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
1235 IIC_iLoadr, "ldrsh", "\t$dst, $addr",
1236 [(set GPR:$dst, (sextloadi16 addrmode3:$addr))]>;
1238 def LDRSB : AI3ldsb<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
1239 IIC_iLoadr, "ldrsb", "\t$dst, $addr",
1240 [(set GPR:$dst, (sextloadi8 addrmode3:$addr))]>;
1242 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1 in {
1244 def LDRD : AI3ldd<(outs GPR:$dst1, GPR:$dst2), (ins addrmode3:$addr), LdMiscFrm,
1245 IIC_iLoadr, "ldrd", "\t$dst1, $addr",
1246 []>, Requires<[IsARM, HasV5TE]>;
1249 def LDR_PRE : AI2ldwpr<(outs GPR:$dst, GPR:$base_wb),
1250 (ins addrmode2:$addr), LdFrm, IIC_iLoadru,
1251 "ldr", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1253 def LDR_POST : AI2ldwpo<(outs GPR:$dst, GPR:$base_wb),
1254 (ins GPR:$base, am2offset:$offset), LdFrm, IIC_iLoadru,
1255 "ldr", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1257 def LDRH_PRE : AI3ldhpr<(outs GPR:$dst, GPR:$base_wb),
1258 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadru,
1259 "ldrh", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1261 def LDRH_POST : AI3ldhpo<(outs GPR:$dst, GPR:$base_wb),
1262 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1263 "ldrh", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1265 def LDRB_PRE : AI2ldbpr<(outs GPR:$dst, GPR:$base_wb),
1266 (ins addrmode2:$addr), LdFrm, IIC_iLoadru,
1267 "ldrb", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1269 def LDRB_POST : AI2ldbpo<(outs GPR:$dst, GPR:$base_wb),
1270 (ins GPR:$base,am2offset:$offset), LdFrm, IIC_iLoadru,
1271 "ldrb", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1273 def LDRSH_PRE : AI3ldshpr<(outs GPR:$dst, GPR:$base_wb),
1274 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadru,
1275 "ldrsh", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1277 def LDRSH_POST: AI3ldshpo<(outs GPR:$dst, GPR:$base_wb),
1278 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1279 "ldrsh", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1281 def LDRSB_PRE : AI3ldsbpr<(outs GPR:$dst, GPR:$base_wb),
1282 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadru,
1283 "ldrsb", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1285 def LDRSB_POST: AI3ldsbpo<(outs GPR:$dst, GPR:$base_wb),
1286 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1287 "ldrsb", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1289 // For disassembly only
1290 def LDRD_PRE : AI3lddpr<(outs GPR:$dst1, GPR:$dst2, GPR:$base_wb),
1291 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadr,
1292 "ldrd", "\t$dst1, $dst2, $addr!", "$addr.base = $base_wb", []>,
1293 Requires<[IsARM, HasV5TE]>;
1295 // For disassembly only
1296 def LDRD_POST : AI3lddpo<(outs GPR:$dst1, GPR:$dst2, GPR:$base_wb),
1297 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadr,
1298 "ldrd", "\t$dst1, $dst2, [$base], $offset", "$base = $base_wb", []>,
1299 Requires<[IsARM, HasV5TE]>;
1301 } // mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1
1303 // LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT are for disassembly only.
1305 def LDRT : AI2ldwpo<(outs GPR:$dst, GPR:$base_wb),
1306 (ins GPR:$base, am2offset:$offset), LdFrm, IIC_iLoadru,
1307 "ldrt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1308 let Inst{21} = 1; // overwrite
1311 def LDRBT : AI2ldbpo<(outs GPR:$dst, GPR:$base_wb),
1312 (ins GPR:$base,am2offset:$offset), LdFrm, IIC_iLoadru,
1313 "ldrbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1314 let Inst{21} = 1; // overwrite
1317 def LDRSBT : AI3ldsbpo<(outs GPR:$dst, GPR:$base_wb),
1318 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1319 "ldrsbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1320 let Inst{21} = 1; // overwrite
1323 def LDRHT : AI3ldhpo<(outs GPR:$dst, GPR:$base_wb),
1324 (ins GPR:$base, am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1325 "ldrht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1326 let Inst{21} = 1; // overwrite
1329 def LDRSHT : AI3ldshpo<(outs GPR:$dst, GPR:$base_wb),
1330 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1331 "ldrsht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1332 let Inst{21} = 1; // overwrite
1336 def STR : AI2stw<(outs), (ins GPR:$src, addrmode2:$addr), StFrm, IIC_iStorer,
1337 "str", "\t$src, $addr",
1338 [(store GPR:$src, addrmode2:$addr)]>;
1340 // Stores with truncate
1341 def STRH : AI3sth<(outs), (ins GPR:$src, addrmode3:$addr), StMiscFrm,
1342 IIC_iStorer, "strh", "\t$src, $addr",
1343 [(truncstorei16 GPR:$src, addrmode3:$addr)]>;
1345 def STRB : AI2stb<(outs), (ins GPR:$src, addrmode2:$addr), StFrm, IIC_iStorer,
1346 "strb", "\t$src, $addr",
1347 [(truncstorei8 GPR:$src, addrmode2:$addr)]>;
1350 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in
1351 def STRD : AI3std<(outs), (ins GPR:$src1, GPR:$src2, addrmode3:$addr),
1352 StMiscFrm, IIC_iStorer,
1353 "strd", "\t$src1, $addr", []>, Requires<[IsARM, HasV5TE]>;
1356 def STR_PRE : AI2stwpr<(outs GPR:$base_wb),
1357 (ins GPR:$src, GPR:$base, am2offset:$offset),
1358 StFrm, IIC_iStoreru,
1359 "str", "\t$src, [$base, $offset]!", "$base = $base_wb",
1361 (pre_store GPR:$src, GPR:$base, am2offset:$offset))]>;
1363 def STR_POST : AI2stwpo<(outs GPR:$base_wb),
1364 (ins GPR:$src, GPR:$base,am2offset:$offset),
1365 StFrm, IIC_iStoreru,
1366 "str", "\t$src, [$base], $offset", "$base = $base_wb",
1368 (post_store GPR:$src, GPR:$base, am2offset:$offset))]>;
1370 def STRH_PRE : AI3sthpr<(outs GPR:$base_wb),
1371 (ins GPR:$src, GPR:$base,am3offset:$offset),
1372 StMiscFrm, IIC_iStoreru,
1373 "strh", "\t$src, [$base, $offset]!", "$base = $base_wb",
1375 (pre_truncsti16 GPR:$src, GPR:$base,am3offset:$offset))]>;
1377 def STRH_POST: AI3sthpo<(outs GPR:$base_wb),
1378 (ins GPR:$src, GPR:$base,am3offset:$offset),
1379 StMiscFrm, IIC_iStoreru,
1380 "strh", "\t$src, [$base], $offset", "$base = $base_wb",
1381 [(set GPR:$base_wb, (post_truncsti16 GPR:$src,
1382 GPR:$base, am3offset:$offset))]>;
1384 def STRB_PRE : AI2stbpr<(outs GPR:$base_wb),
1385 (ins GPR:$src, GPR:$base,am2offset:$offset),
1386 StFrm, IIC_iStoreru,
1387 "strb", "\t$src, [$base, $offset]!", "$base = $base_wb",
1388 [(set GPR:$base_wb, (pre_truncsti8 GPR:$src,
1389 GPR:$base, am2offset:$offset))]>;
1391 def STRB_POST: AI2stbpo<(outs GPR:$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, (post_truncsti8 GPR:$src,
1396 GPR:$base, am2offset:$offset))]>;
1398 // For disassembly only
1399 def STRD_PRE : AI3stdpr<(outs GPR:$base_wb),
1400 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1401 StMiscFrm, IIC_iStoreru,
1402 "strd", "\t$src1, $src2, [$base, $offset]!",
1403 "$base = $base_wb", []>;
1405 // For disassembly only
1406 def STRD_POST: AI3stdpo<(outs GPR:$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 = $base_wb", []>;
1412 // STRT, STRBT, and STRHT are for disassembly only.
1414 def STRT : AI2stwpo<(outs GPR:$base_wb),
1415 (ins GPR:$src, GPR:$base,am2offset:$offset),
1416 StFrm, IIC_iStoreru,
1417 "strt", "\t$src, [$base], $offset", "$base = $base_wb",
1418 [/* For disassembly only; pattern left blank */]> {
1419 let Inst{21} = 1; // overwrite
1422 def STRBT : AI2stbpo<(outs GPR:$base_wb),
1423 (ins GPR:$src, GPR:$base,am2offset:$offset),
1424 StFrm, IIC_iStoreru,
1425 "strbt", "\t$src, [$base], $offset", "$base = $base_wb",
1426 [/* For disassembly only; pattern left blank */]> {
1427 let Inst{21} = 1; // overwrite
1430 def STRHT: AI3sthpo<(outs GPR:$base_wb),
1431 (ins GPR:$src, GPR:$base,am3offset:$offset),
1432 StMiscFrm, IIC_iStoreru,
1433 "strht", "\t$src, [$base], $offset", "$base = $base_wb",
1434 [/* For disassembly only; pattern left blank */]> {
1435 let Inst{21} = 1; // overwrite
1438 //===----------------------------------------------------------------------===//
1439 // Load / store multiple Instructions.
1442 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1 in {
1443 def LDM : AXI4ld<(outs), (ins addrmode4:$addr, pred:$p,
1444 reglist:$dsts, variable_ops),
1445 IndexModeNone, LdStMulFrm, IIC_iLoadm,
1446 "ldm${addr:submode}${p}\t$addr, $dsts", "", []>;
1448 def LDM_UPD : AXI4ld<(outs GPR:$wb), (ins addrmode4:$addr, pred:$p,
1449 reglist:$dsts, variable_ops),
1450 IndexModeUpd, LdStMulFrm, IIC_iLoadm,
1451 "ldm${addr:submode}${p}\t$addr!, $dsts",
1452 "$addr.addr = $wb", []>;
1453 } // mayLoad, neverHasSideEffects, hasExtraDefRegAllocReq
1455 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in {
1456 def STM : AXI4st<(outs), (ins addrmode4:$addr, pred:$p,
1457 reglist:$srcs, variable_ops),
1458 IndexModeNone, LdStMulFrm, IIC_iStorem,
1459 "stm${addr:submode}${p}\t$addr, $srcs", "", []>;
1461 def STM_UPD : AXI4st<(outs GPR:$wb), (ins addrmode4:$addr, pred:$p,
1462 reglist:$srcs, variable_ops),
1463 IndexModeUpd, LdStMulFrm, IIC_iStorem,
1464 "stm${addr:submode}${p}\t$addr!, $srcs",
1465 "$addr.addr = $wb", []>;
1466 } // mayStore, neverHasSideEffects, hasExtraSrcRegAllocReq
1468 //===----------------------------------------------------------------------===//
1469 // Move Instructions.
1472 let neverHasSideEffects = 1 in
1473 def MOVr : AsI1<0b1101, (outs GPR:$dst), (ins GPR:$src), DPFrm, IIC_iMOVr,
1474 "mov", "\t$dst, $src", []>, UnaryDP {
1475 let Inst{11-4} = 0b00000000;
1479 // A version for the smaller set of tail call registers.
1480 let neverHasSideEffects = 1 in
1481 def MOVr_TC : AsI1<0b1101, (outs tcGPR:$dst), (ins tcGPR:$src), DPFrm,
1482 IIC_iMOVr, "mov", "\t$dst, $src", []>, UnaryDP {
1483 let Inst{11-4} = 0b00000000;
1487 def MOVs : AsI1<0b1101, (outs GPR:$dst), (ins so_reg:$src),
1488 DPSoRegFrm, IIC_iMOVsr,
1489 "mov", "\t$dst, $src", [(set GPR:$dst, so_reg:$src)]>, UnaryDP {
1493 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
1494 def MOVi : AsI1<0b1101, (outs GPR:$dst), (ins so_imm:$src), DPFrm, IIC_iMOVi,
1495 "mov", "\t$dst, $src", [(set GPR:$dst, so_imm:$src)]>, UnaryDP {
1499 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
1500 def MOVi16 : AI1<0b1000, (outs GPR:$dst), (ins i32imm:$src),
1502 "movw", "\t$dst, $src",
1503 [(set GPR:$dst, imm0_65535:$src)]>,
1504 Requires<[IsARM, HasV6T2]>, UnaryDP {
1509 let Constraints = "$src = $dst" in
1510 def MOVTi16 : AI1<0b1010, (outs GPR:$dst), (ins GPR:$src, i32imm:$imm),
1512 "movt", "\t$dst, $imm",
1514 (or (and GPR:$src, 0xffff),
1515 lo16AllZero:$imm))]>, UnaryDP,
1516 Requires<[IsARM, HasV6T2]> {
1521 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
1522 Requires<[IsARM, HasV6T2]>;
1524 let Uses = [CPSR] in
1525 def MOVrx : AsI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo, IIC_iMOVsi,
1526 "mov", "\t$dst, $src, rrx",
1527 [(set GPR:$dst, (ARMrrx GPR:$src))]>, UnaryDP;
1529 // These aren't really mov instructions, but we have to define them this way
1530 // due to flag operands.
1532 let Defs = [CPSR] in {
1533 def MOVsrl_flag : AI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo,
1534 IIC_iMOVsi, "movs", "\t$dst, $src, lsr #1",
1535 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP;
1536 def MOVsra_flag : AI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo,
1537 IIC_iMOVsi, "movs", "\t$dst, $src, asr #1",
1538 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP;
1541 //===----------------------------------------------------------------------===//
1542 // Extend Instructions.
1547 defm SXTB : AI_unary_rrot<0b01101010,
1548 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
1549 defm SXTH : AI_unary_rrot<0b01101011,
1550 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
1552 defm SXTAB : AI_bin_rrot<0b01101010,
1553 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
1554 defm SXTAH : AI_bin_rrot<0b01101011,
1555 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
1557 // For disassembly only
1558 defm SXTB16 : AI_unary_rrot_np<0b01101000, "sxtb16">;
1560 // For disassembly only
1561 defm SXTAB16 : AI_bin_rrot_np<0b01101000, "sxtab16">;
1565 let AddedComplexity = 16 in {
1566 defm UXTB : AI_unary_rrot<0b01101110,
1567 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
1568 defm UXTH : AI_unary_rrot<0b01101111,
1569 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
1570 defm UXTB16 : AI_unary_rrot<0b01101100,
1571 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
1573 // FIXME: This pattern incorrectly assumes the shl operator is a rotate.
1574 // The transformation should probably be done as a combiner action
1575 // instead so we can include a check for masking back in the upper
1576 // eight bits of the source into the lower eight bits of the result.
1577 //def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
1578 // (UXTB16r_rot GPR:$Src, 24)>;
1579 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
1580 (UXTB16r_rot GPR:$Src, 8)>;
1582 defm UXTAB : AI_bin_rrot<0b01101110, "uxtab",
1583 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
1584 defm UXTAH : AI_bin_rrot<0b01101111, "uxtah",
1585 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
1588 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
1589 // For disassembly only
1590 defm UXTAB16 : AI_bin_rrot_np<0b01101100, "uxtab16">;
1593 def SBFX : I<(outs GPR:$dst),
1594 (ins GPR:$src, imm0_31:$lsb, imm0_31:$width),
1595 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iALUi,
1596 "sbfx", "\t$dst, $src, $lsb, $width", "", []>,
1597 Requires<[IsARM, HasV6T2]> {
1598 let Inst{27-21} = 0b0111101;
1599 let Inst{6-4} = 0b101;
1602 def UBFX : I<(outs GPR:$dst),
1603 (ins GPR:$src, imm0_31:$lsb, imm0_31:$width),
1604 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iALUi,
1605 "ubfx", "\t$dst, $src, $lsb, $width", "", []>,
1606 Requires<[IsARM, HasV6T2]> {
1607 let Inst{27-21} = 0b0111111;
1608 let Inst{6-4} = 0b101;
1611 //===----------------------------------------------------------------------===//
1612 // Arithmetic Instructions.
1615 defm ADD : AsI1_bin_irs<0b0100, "add",
1616 BinOpFrag<(add node:$LHS, node:$RHS)>, 1>;
1617 defm SUB : AsI1_bin_irs<0b0010, "sub",
1618 BinOpFrag<(sub node:$LHS, node:$RHS)>>;
1620 // ADD and SUB with 's' bit set.
1621 defm ADDS : AI1_bin_s_irs<0b0100, "adds",
1622 BinOpFrag<(addc node:$LHS, node:$RHS)>, 1>;
1623 defm SUBS : AI1_bin_s_irs<0b0010, "subs",
1624 BinOpFrag<(subc node:$LHS, node:$RHS)>>;
1626 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
1627 BinOpFrag<(adde_dead_carry node:$LHS, node:$RHS)>, 1>;
1628 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
1629 BinOpFrag<(sube_dead_carry node:$LHS, node:$RHS)>>;
1630 defm ADCS : AI1_adde_sube_s_irs<0b0101, "adcs",
1631 BinOpFrag<(adde_live_carry node:$LHS, node:$RHS)>, 1>;
1632 defm SBCS : AI1_adde_sube_s_irs<0b0110, "sbcs",
1633 BinOpFrag<(sube_live_carry node:$LHS, node:$RHS) >>;
1635 def RSBri : AsI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
1636 IIC_iALUi, "rsb", "\t$dst, $a, $b",
1637 [(set GPR:$dst, (sub so_imm:$b, GPR:$a))]> {
1641 // The reg/reg form is only defined for the disassembler; for codegen it is
1642 // equivalent to SUBrr.
1643 def RSBrr : AsI1<0b0011, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
1644 IIC_iALUr, "rsb", "\t$dst, $a, $b",
1645 [/* For disassembly only; pattern left blank */]> {
1647 let Inst{11-4} = 0b00000000;
1650 def RSBrs : AsI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
1651 IIC_iALUsr, "rsb", "\t$dst, $a, $b",
1652 [(set GPR:$dst, (sub so_reg:$b, GPR:$a))]> {
1656 // RSB with 's' bit set.
1657 let Defs = [CPSR] in {
1658 def RSBSri : AI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
1659 IIC_iALUi, "rsbs", "\t$dst, $a, $b",
1660 [(set GPR:$dst, (subc so_imm:$b, GPR:$a))]> {
1664 def RSBSrs : AI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
1665 IIC_iALUsr, "rsbs", "\t$dst, $a, $b",
1666 [(set GPR:$dst, (subc so_reg:$b, GPR:$a))]> {
1672 let Uses = [CPSR] in {
1673 def RSCri : AsI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
1674 DPFrm, IIC_iALUi, "rsc", "\t$dst, $a, $b",
1675 [(set GPR:$dst, (sube_dead_carry so_imm:$b, GPR:$a))]>,
1679 // The reg/reg form is only defined for the disassembler; for codegen it is
1680 // equivalent to SUBrr.
1681 def RSCrr : AsI1<0b0111, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1682 DPFrm, IIC_iALUr, "rsc", "\t$dst, $a, $b",
1683 [/* For disassembly only; pattern left blank */]> {
1685 let Inst{11-4} = 0b00000000;
1687 def RSCrs : AsI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
1688 DPSoRegFrm, IIC_iALUsr, "rsc", "\t$dst, $a, $b",
1689 [(set GPR:$dst, (sube_dead_carry so_reg:$b, GPR:$a))]>,
1695 // FIXME: Allow these to be predicated.
1696 let Defs = [CPSR], Uses = [CPSR] in {
1697 def RSCSri : AXI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
1698 DPFrm, IIC_iALUi, "rscs\t$dst, $a, $b",
1699 [(set GPR:$dst, (sube_dead_carry so_imm:$b, GPR:$a))]>,
1704 def RSCSrs : AXI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
1705 DPSoRegFrm, IIC_iALUsr, "rscs\t$dst, $a, $b",
1706 [(set GPR:$dst, (sube_dead_carry so_reg:$b, GPR:$a))]>,
1713 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
1714 // The assume-no-carry-in form uses the negation of the input since add/sub
1715 // assume opposite meanings of the carry flag (i.e., carry == !borrow).
1716 // See the definition of AddWithCarry() in the ARM ARM A2.2.1 for the gory
1718 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
1719 (SUBri GPR:$src, so_imm_neg:$imm)>;
1720 def : ARMPat<(addc GPR:$src, so_imm_neg:$imm),
1721 (SUBSri GPR:$src, so_imm_neg:$imm)>;
1722 // The with-carry-in form matches bitwise not instead of the negation.
1723 // Effectively, the inverse interpretation of the carry flag already accounts
1724 // for part of the negation.
1725 def : ARMPat<(adde GPR:$src, so_imm_not:$imm),
1726 (SBCri GPR:$src, so_imm_not:$imm)>;
1728 // Note: These are implemented in C++ code, because they have to generate
1729 // ADD/SUBrs instructions, which use a complex pattern that a xform function
1731 // (mul X, 2^n+1) -> (add (X << n), X)
1732 // (mul X, 2^n-1) -> (rsb X, (X << n))
1734 // ARM Arithmetic Instruction -- for disassembly only
1735 // GPR:$dst = GPR:$a op GPR:$b
1736 class AAI<bits<8> op27_20, bits<4> op7_4, string opc,
1737 list<dag> pattern = [/* For disassembly only; pattern left blank */]>
1738 : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm, IIC_iALUr,
1739 opc, "\t$dst, $a, $b", pattern> {
1740 let Inst{27-20} = op27_20;
1741 let Inst{7-4} = op7_4;
1744 // Saturating add/subtract -- for disassembly only
1746 def QADD : AAI<0b00010000, 0b0101, "qadd",
1747 [(set GPR:$dst, (int_arm_qadd GPR:$a, GPR:$b))]>;
1748 def QADD16 : AAI<0b01100010, 0b0001, "qadd16">;
1749 def QADD8 : AAI<0b01100010, 0b1001, "qadd8">;
1750 def QASX : AAI<0b01100010, 0b0011, "qasx">;
1751 def QDADD : AAI<0b00010100, 0b0101, "qdadd">;
1752 def QDSUB : AAI<0b00010110, 0b0101, "qdsub">;
1753 def QSAX : AAI<0b01100010, 0b0101, "qsax">;
1754 def QSUB : AAI<0b00010010, 0b0101, "qsub",
1755 [(set GPR:$dst, (int_arm_qsub GPR:$a, GPR:$b))]>;
1756 def QSUB16 : AAI<0b01100010, 0b0111, "qsub16">;
1757 def QSUB8 : AAI<0b01100010, 0b1111, "qsub8">;
1758 def UQADD16 : AAI<0b01100110, 0b0001, "uqadd16">;
1759 def UQADD8 : AAI<0b01100110, 0b1001, "uqadd8">;
1760 def UQASX : AAI<0b01100110, 0b0011, "uqasx">;
1761 def UQSAX : AAI<0b01100110, 0b0101, "uqsax">;
1762 def UQSUB16 : AAI<0b01100110, 0b0111, "uqsub16">;
1763 def UQSUB8 : AAI<0b01100110, 0b1111, "uqsub8">;
1765 // Signed/Unsigned add/subtract -- for disassembly only
1767 def SASX : AAI<0b01100001, 0b0011, "sasx">;
1768 def SADD16 : AAI<0b01100001, 0b0001, "sadd16">;
1769 def SADD8 : AAI<0b01100001, 0b1001, "sadd8">;
1770 def SSAX : AAI<0b01100001, 0b0101, "ssax">;
1771 def SSUB16 : AAI<0b01100001, 0b0111, "ssub16">;
1772 def SSUB8 : AAI<0b01100001, 0b1111, "ssub8">;
1773 def UASX : AAI<0b01100101, 0b0011, "uasx">;
1774 def UADD16 : AAI<0b01100101, 0b0001, "uadd16">;
1775 def UADD8 : AAI<0b01100101, 0b1001, "uadd8">;
1776 def USAX : AAI<0b01100101, 0b0101, "usax">;
1777 def USUB16 : AAI<0b01100101, 0b0111, "usub16">;
1778 def USUB8 : AAI<0b01100101, 0b1111, "usub8">;
1780 // Signed/Unsigned halving add/subtract -- for disassembly only
1782 def SHASX : AAI<0b01100011, 0b0011, "shasx">;
1783 def SHADD16 : AAI<0b01100011, 0b0001, "shadd16">;
1784 def SHADD8 : AAI<0b01100011, 0b1001, "shadd8">;
1785 def SHSAX : AAI<0b01100011, 0b0101, "shsax">;
1786 def SHSUB16 : AAI<0b01100011, 0b0111, "shsub16">;
1787 def SHSUB8 : AAI<0b01100011, 0b1111, "shsub8">;
1788 def UHASX : AAI<0b01100111, 0b0011, "uhasx">;
1789 def UHADD16 : AAI<0b01100111, 0b0001, "uhadd16">;
1790 def UHADD8 : AAI<0b01100111, 0b1001, "uhadd8">;
1791 def UHSAX : AAI<0b01100111, 0b0101, "uhsax">;
1792 def UHSUB16 : AAI<0b01100111, 0b0111, "uhsub16">;
1793 def UHSUB8 : AAI<0b01100111, 0b1111, "uhsub8">;
1795 // Unsigned Sum of Absolute Differences [and Accumulate] -- for disassembly only
1797 def USAD8 : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b),
1798 MulFrm /* for convenience */, NoItinerary, "usad8",
1799 "\t$dst, $a, $b", []>,
1800 Requires<[IsARM, HasV6]> {
1801 let Inst{27-20} = 0b01111000;
1802 let Inst{15-12} = 0b1111;
1803 let Inst{7-4} = 0b0001;
1805 def USADA8 : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1806 MulFrm /* for convenience */, NoItinerary, "usada8",
1807 "\t$dst, $a, $b, $acc", []>,
1808 Requires<[IsARM, HasV6]> {
1809 let Inst{27-20} = 0b01111000;
1810 let Inst{7-4} = 0b0001;
1813 // Signed/Unsigned saturate -- for disassembly only
1815 def SSAT : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a, shift_imm:$sh),
1816 SatFrm, NoItinerary, "ssat", "\t$dst, $bit_pos, $a$sh",
1817 [/* For disassembly only; pattern left blank */]> {
1818 let Inst{27-21} = 0b0110101;
1819 let Inst{5-4} = 0b01;
1822 def SSAT16 : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a), SatFrm,
1823 NoItinerary, "ssat16", "\t$dst, $bit_pos, $a",
1824 [/* For disassembly only; pattern left blank */]> {
1825 let Inst{27-20} = 0b01101010;
1826 let Inst{7-4} = 0b0011;
1829 def USAT : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a, shift_imm:$sh),
1830 SatFrm, NoItinerary, "usat", "\t$dst, $bit_pos, $a$sh",
1831 [/* For disassembly only; pattern left blank */]> {
1832 let Inst{27-21} = 0b0110111;
1833 let Inst{5-4} = 0b01;
1836 def USAT16 : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a), SatFrm,
1837 NoItinerary, "usat16", "\t$dst, $bit_pos, $a",
1838 [/* For disassembly only; pattern left blank */]> {
1839 let Inst{27-20} = 0b01101110;
1840 let Inst{7-4} = 0b0011;
1843 def : ARMV6Pat<(int_arm_ssat GPR:$a, imm:$pos), (SSAT imm:$pos, GPR:$a, 0)>;
1844 def : ARMV6Pat<(int_arm_usat GPR:$a, imm:$pos), (USAT imm:$pos, GPR:$a, 0)>;
1846 //===----------------------------------------------------------------------===//
1847 // Bitwise Instructions.
1850 defm AND : AsI1_bin_irs<0b0000, "and",
1851 BinOpFrag<(and node:$LHS, node:$RHS)>, 1>;
1852 defm ORR : AsI1_bin_irs<0b1100, "orr",
1853 BinOpFrag<(or node:$LHS, node:$RHS)>, 1>;
1854 defm EOR : AsI1_bin_irs<0b0001, "eor",
1855 BinOpFrag<(xor node:$LHS, node:$RHS)>, 1>;
1856 defm BIC : AsI1_bin_irs<0b1110, "bic",
1857 BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
1859 def BFC : I<(outs GPR:$dst), (ins GPR:$src, bf_inv_mask_imm:$imm),
1860 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
1861 "bfc", "\t$dst, $imm", "$src = $dst",
1862 [(set GPR:$dst, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
1863 Requires<[IsARM, HasV6T2]> {
1864 let Inst{27-21} = 0b0111110;
1865 let Inst{6-0} = 0b0011111;
1868 // A8.6.18 BFI - Bitfield insert (Encoding A1)
1869 def BFI : I<(outs GPR:$dst), (ins GPR:$src, GPR:$val, bf_inv_mask_imm:$imm),
1870 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
1871 "bfi", "\t$dst, $val, $imm", "$src = $dst",
1872 [(set GPR:$dst, (ARMbfi GPR:$src, GPR:$val,
1873 bf_inv_mask_imm:$imm))]>,
1874 Requires<[IsARM, HasV6T2]> {
1875 let Inst{27-21} = 0b0111110;
1876 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
1879 def MVNr : AsI1<0b1111, (outs GPR:$dst), (ins GPR:$src), DPFrm, IIC_iMOVr,
1880 "mvn", "\t$dst, $src",
1881 [(set GPR:$dst, (not GPR:$src))]>, UnaryDP {
1883 let Inst{11-4} = 0b00000000;
1885 def MVNs : AsI1<0b1111, (outs GPR:$dst), (ins so_reg:$src), DPSoRegFrm,
1886 IIC_iMOVsr, "mvn", "\t$dst, $src",
1887 [(set GPR:$dst, (not so_reg:$src))]>, UnaryDP {
1890 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
1891 def MVNi : AsI1<0b1111, (outs GPR:$dst), (ins so_imm:$imm), DPFrm,
1892 IIC_iMOVi, "mvn", "\t$dst, $imm",
1893 [(set GPR:$dst, so_imm_not:$imm)]>,UnaryDP {
1897 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
1898 (BICri GPR:$src, so_imm_not:$imm)>;
1900 //===----------------------------------------------------------------------===//
1901 // Multiply Instructions.
1904 let isCommutable = 1 in
1905 def MUL : AsMul1I<0b0000000, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1906 IIC_iMUL32, "mul", "\t$dst, $a, $b",
1907 [(set GPR:$dst, (mul GPR:$a, GPR:$b))]>;
1909 def MLA : AsMul1I<0b0000001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1910 IIC_iMAC32, "mla", "\t$dst, $a, $b, $c",
1911 [(set GPR:$dst, (add (mul GPR:$a, GPR:$b), GPR:$c))]>;
1913 def MLS : AMul1I<0b0000011, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1914 IIC_iMAC32, "mls", "\t$dst, $a, $b, $c",
1915 [(set GPR:$dst, (sub GPR:$c, (mul GPR:$a, GPR:$b)))]>,
1916 Requires<[IsARM, HasV6T2]>;
1918 // Extra precision multiplies with low / high results
1919 let neverHasSideEffects = 1 in {
1920 let isCommutable = 1 in {
1921 def SMULL : AsMul1I<0b0000110, (outs GPR:$ldst, GPR:$hdst),
1922 (ins GPR:$a, GPR:$b), IIC_iMUL64,
1923 "smull", "\t$ldst, $hdst, $a, $b", []>;
1925 def UMULL : AsMul1I<0b0000100, (outs GPR:$ldst, GPR:$hdst),
1926 (ins GPR:$a, GPR:$b), IIC_iMUL64,
1927 "umull", "\t$ldst, $hdst, $a, $b", []>;
1930 // Multiply + accumulate
1931 def SMLAL : AsMul1I<0b0000111, (outs GPR:$ldst, GPR:$hdst),
1932 (ins GPR:$a, GPR:$b), IIC_iMAC64,
1933 "smlal", "\t$ldst, $hdst, $a, $b", []>;
1935 def UMLAL : AsMul1I<0b0000101, (outs GPR:$ldst, GPR:$hdst),
1936 (ins GPR:$a, GPR:$b), IIC_iMAC64,
1937 "umlal", "\t$ldst, $hdst, $a, $b", []>;
1939 def UMAAL : AMul1I <0b0000010, (outs GPR:$ldst, GPR:$hdst),
1940 (ins GPR:$a, GPR:$b), IIC_iMAC64,
1941 "umaal", "\t$ldst, $hdst, $a, $b", []>,
1942 Requires<[IsARM, HasV6]>;
1943 } // neverHasSideEffects
1945 // Most significant word multiply
1946 def SMMUL : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1947 IIC_iMUL32, "smmul", "\t$dst, $a, $b",
1948 [(set GPR:$dst, (mulhs GPR:$a, GPR:$b))]>,
1949 Requires<[IsARM, HasV6]> {
1950 let Inst{7-4} = 0b0001;
1951 let Inst{15-12} = 0b1111;
1954 def SMMULR : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1955 IIC_iMUL32, "smmulr", "\t$dst, $a, $b",
1956 [/* For disassembly only; pattern left blank */]>,
1957 Requires<[IsARM, HasV6]> {
1958 let Inst{7-4} = 0b0011; // R = 1
1959 let Inst{15-12} = 0b1111;
1962 def SMMLA : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1963 IIC_iMAC32, "smmla", "\t$dst, $a, $b, $c",
1964 [(set GPR:$dst, (add (mulhs GPR:$a, GPR:$b), GPR:$c))]>,
1965 Requires<[IsARM, HasV6]> {
1966 let Inst{7-4} = 0b0001;
1969 def SMMLAR : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1970 IIC_iMAC32, "smmlar", "\t$dst, $a, $b, $c",
1971 [/* For disassembly only; pattern left blank */]>,
1972 Requires<[IsARM, HasV6]> {
1973 let Inst{7-4} = 0b0011; // R = 1
1976 def SMMLS : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1977 IIC_iMAC32, "smmls", "\t$dst, $a, $b, $c",
1978 [(set GPR:$dst, (sub GPR:$c, (mulhs GPR:$a, GPR:$b)))]>,
1979 Requires<[IsARM, HasV6]> {
1980 let Inst{7-4} = 0b1101;
1983 def SMMLSR : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1984 IIC_iMAC32, "smmlsr", "\t$dst, $a, $b, $c",
1985 [/* For disassembly only; pattern left blank */]>,
1986 Requires<[IsARM, HasV6]> {
1987 let Inst{7-4} = 0b1111; // R = 1
1990 multiclass AI_smul<string opc, PatFrag opnode> {
1991 def BB : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1992 IIC_iMUL32, !strconcat(opc, "bb"), "\t$dst, $a, $b",
1993 [(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16),
1994 (sext_inreg GPR:$b, i16)))]>,
1995 Requires<[IsARM, HasV5TE]> {
2000 def BT : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2001 IIC_iMUL32, !strconcat(opc, "bt"), "\t$dst, $a, $b",
2002 [(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16),
2003 (sra GPR:$b, (i32 16))))]>,
2004 Requires<[IsARM, HasV5TE]> {
2009 def TB : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2010 IIC_iMUL32, !strconcat(opc, "tb"), "\t$dst, $a, $b",
2011 [(set GPR:$dst, (opnode (sra GPR:$a, (i32 16)),
2012 (sext_inreg GPR:$b, i16)))]>,
2013 Requires<[IsARM, HasV5TE]> {
2018 def TT : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2019 IIC_iMUL32, !strconcat(opc, "tt"), "\t$dst, $a, $b",
2020 [(set GPR:$dst, (opnode (sra GPR:$a, (i32 16)),
2021 (sra GPR:$b, (i32 16))))]>,
2022 Requires<[IsARM, HasV5TE]> {
2027 def WB : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2028 IIC_iMUL16, !strconcat(opc, "wb"), "\t$dst, $a, $b",
2029 [(set GPR:$dst, (sra (opnode GPR:$a,
2030 (sext_inreg GPR:$b, i16)), (i32 16)))]>,
2031 Requires<[IsARM, HasV5TE]> {
2036 def WT : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2037 IIC_iMUL16, !strconcat(opc, "wt"), "\t$dst, $a, $b",
2038 [(set GPR:$dst, (sra (opnode GPR:$a,
2039 (sra GPR:$b, (i32 16))), (i32 16)))]>,
2040 Requires<[IsARM, HasV5TE]> {
2047 multiclass AI_smla<string opc, PatFrag opnode> {
2048 def BB : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2049 IIC_iMAC16, !strconcat(opc, "bb"), "\t$dst, $a, $b, $acc",
2050 [(set GPR:$dst, (add GPR:$acc,
2051 (opnode (sext_inreg GPR:$a, i16),
2052 (sext_inreg GPR:$b, i16))))]>,
2053 Requires<[IsARM, HasV5TE]> {
2058 def BT : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2059 IIC_iMAC16, !strconcat(opc, "bt"), "\t$dst, $a, $b, $acc",
2060 [(set GPR:$dst, (add GPR:$acc, (opnode (sext_inreg GPR:$a, i16),
2061 (sra GPR:$b, (i32 16)))))]>,
2062 Requires<[IsARM, HasV5TE]> {
2067 def TB : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2068 IIC_iMAC16, !strconcat(opc, "tb"), "\t$dst, $a, $b, $acc",
2069 [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, (i32 16)),
2070 (sext_inreg GPR:$b, i16))))]>,
2071 Requires<[IsARM, HasV5TE]> {
2076 def TT : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2077 IIC_iMAC16, !strconcat(opc, "tt"), "\t$dst, $a, $b, $acc",
2078 [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, (i32 16)),
2079 (sra GPR:$b, (i32 16)))))]>,
2080 Requires<[IsARM, HasV5TE]> {
2085 def WB : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2086 IIC_iMAC16, !strconcat(opc, "wb"), "\t$dst, $a, $b, $acc",
2087 [(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a,
2088 (sext_inreg GPR:$b, i16)), (i32 16))))]>,
2089 Requires<[IsARM, HasV5TE]> {
2094 def WT : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2095 IIC_iMAC16, !strconcat(opc, "wt"), "\t$dst, $a, $b, $acc",
2096 [(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a,
2097 (sra GPR:$b, (i32 16))), (i32 16))))]>,
2098 Requires<[IsARM, HasV5TE]> {
2104 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
2105 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
2107 // Halfword multiply accumulate long: SMLAL<x><y> -- for disassembly only
2108 def SMLALBB : AMulxyI<0b0001010,(outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
2109 IIC_iMAC64, "smlalbb", "\t$ldst, $hdst, $a, $b",
2110 [/* For disassembly only; pattern left blank */]>,
2111 Requires<[IsARM, HasV5TE]> {
2116 def SMLALBT : AMulxyI<0b0001010,(outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
2117 IIC_iMAC64, "smlalbt", "\t$ldst, $hdst, $a, $b",
2118 [/* For disassembly only; pattern left blank */]>,
2119 Requires<[IsARM, HasV5TE]> {
2124 def SMLALTB : AMulxyI<0b0001010,(outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
2125 IIC_iMAC64, "smlaltb", "\t$ldst, $hdst, $a, $b",
2126 [/* For disassembly only; pattern left blank */]>,
2127 Requires<[IsARM, HasV5TE]> {
2132 def SMLALTT : AMulxyI<0b0001010,(outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
2133 IIC_iMAC64, "smlaltt", "\t$ldst, $hdst, $a, $b",
2134 [/* For disassembly only; pattern left blank */]>,
2135 Requires<[IsARM, HasV5TE]> {
2140 // Helper class for AI_smld -- for disassembly only
2141 class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
2142 InstrItinClass itin, string opc, string asm>
2143 : AI<oops, iops, MulFrm, itin, opc, asm, []>, Requires<[IsARM, HasV6]> {
2148 let Inst{21-20} = 0b00;
2149 let Inst{22} = long;
2150 let Inst{27-23} = 0b01110;
2153 multiclass AI_smld<bit sub, string opc> {
2155 def D : AMulDualI<0, sub, 0, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2156 NoItinerary, !strconcat(opc, "d"), "\t$dst, $a, $b, $acc">;
2158 def DX : AMulDualI<0, sub, 1, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2159 NoItinerary, !strconcat(opc, "dx"), "\t$dst, $a, $b, $acc">;
2161 def LD : AMulDualI<1, sub, 0, (outs GPR:$ldst,GPR:$hdst), (ins GPR:$a,GPR:$b),
2162 NoItinerary, !strconcat(opc, "ld"), "\t$ldst, $hdst, $a, $b">;
2164 def LDX : AMulDualI<1, sub, 1, (outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
2165 NoItinerary, !strconcat(opc, "ldx"),"\t$ldst, $hdst, $a, $b">;
2169 defm SMLA : AI_smld<0, "smla">;
2170 defm SMLS : AI_smld<1, "smls">;
2172 multiclass AI_sdml<bit sub, string opc> {
2174 def D : AMulDualI<0, sub, 0, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2175 NoItinerary, !strconcat(opc, "d"), "\t$dst, $a, $b"> {
2176 let Inst{15-12} = 0b1111;
2179 def DX : AMulDualI<0, sub, 1, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2180 NoItinerary, !strconcat(opc, "dx"), "\t$dst, $a, $b"> {
2181 let Inst{15-12} = 0b1111;
2186 defm SMUA : AI_sdml<0, "smua">;
2187 defm SMUS : AI_sdml<1, "smus">;
2189 //===----------------------------------------------------------------------===//
2190 // Misc. Arithmetic Instructions.
2193 def CLZ : AMiscA1I<0b000010110, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
2194 "clz", "\t$dst, $src",
2195 [(set GPR:$dst, (ctlz GPR:$src))]>, Requires<[IsARM, HasV5T]> {
2196 let Inst{7-4} = 0b0001;
2197 let Inst{11-8} = 0b1111;
2198 let Inst{19-16} = 0b1111;
2201 def RBIT : AMiscA1I<0b01101111, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
2202 "rbit", "\t$dst, $src",
2203 [(set GPR:$dst, (ARMrbit GPR:$src))]>,
2204 Requires<[IsARM, HasV6T2]> {
2205 let Inst{7-4} = 0b0011;
2206 let Inst{11-8} = 0b1111;
2207 let Inst{19-16} = 0b1111;
2210 def REV : AMiscA1I<0b01101011, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
2211 "rev", "\t$dst, $src",
2212 [(set GPR:$dst, (bswap GPR:$src))]>, Requires<[IsARM, HasV6]> {
2213 let Inst{7-4} = 0b0011;
2214 let Inst{11-8} = 0b1111;
2215 let Inst{19-16} = 0b1111;
2218 def REV16 : AMiscA1I<0b01101011, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
2219 "rev16", "\t$dst, $src",
2221 (or (and (srl GPR:$src, (i32 8)), 0xFF),
2222 (or (and (shl GPR:$src, (i32 8)), 0xFF00),
2223 (or (and (srl GPR:$src, (i32 8)), 0xFF0000),
2224 (and (shl GPR:$src, (i32 8)), 0xFF000000)))))]>,
2225 Requires<[IsARM, HasV6]> {
2226 let Inst{7-4} = 0b1011;
2227 let Inst{11-8} = 0b1111;
2228 let Inst{19-16} = 0b1111;
2231 def REVSH : AMiscA1I<0b01101111, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
2232 "revsh", "\t$dst, $src",
2235 (or (srl (and GPR:$src, 0xFF00), (i32 8)),
2236 (shl GPR:$src, (i32 8))), i16))]>,
2237 Requires<[IsARM, HasV6]> {
2238 let Inst{7-4} = 0b1011;
2239 let Inst{11-8} = 0b1111;
2240 let Inst{19-16} = 0b1111;
2243 def lsl_shift_imm : SDNodeXForm<imm, [{
2244 unsigned Sh = ARM_AM::getSORegOpc(ARM_AM::lsl, N->getZExtValue());
2245 return CurDAG->getTargetConstant(Sh, MVT::i32);
2248 def lsl_amt : PatLeaf<(i32 imm), [{
2249 return (N->getZExtValue() < 32);
2252 def PKHBT : AMiscA1I<0b01101000, (outs GPR:$dst),
2253 (ins GPR:$src1, GPR:$src2, shift_imm:$sh),
2254 IIC_iALUsi, "pkhbt", "\t$dst, $src1, $src2$sh",
2255 [(set GPR:$dst, (or (and GPR:$src1, 0xFFFF),
2256 (and (shl GPR:$src2, lsl_amt:$sh),
2258 Requires<[IsARM, HasV6]> {
2259 let Inst{6-4} = 0b001;
2262 // Alternate cases for PKHBT where identities eliminate some nodes.
2263 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF), (and GPR:$src2, 0xFFFF0000)),
2264 (PKHBT GPR:$src1, GPR:$src2, 0)>;
2265 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF), (shl GPR:$src2, imm16_31:$sh)),
2266 (PKHBT GPR:$src1, GPR:$src2, (lsl_shift_imm imm16_31:$sh))>;
2268 def asr_shift_imm : SDNodeXForm<imm, [{
2269 unsigned Sh = ARM_AM::getSORegOpc(ARM_AM::asr, N->getZExtValue());
2270 return CurDAG->getTargetConstant(Sh, MVT::i32);
2273 def asr_amt : PatLeaf<(i32 imm), [{
2274 return (N->getZExtValue() <= 32);
2277 // Note: Shifts of 1-15 bits will be transformed to srl instead of sra and
2278 // will match the pattern below.
2279 def PKHTB : AMiscA1I<0b01101000, (outs GPR:$dst),
2280 (ins GPR:$src1, GPR:$src2, shift_imm:$sh),
2281 IIC_iALUsi, "pkhtb", "\t$dst, $src1, $src2$sh",
2282 [(set GPR:$dst, (or (and GPR:$src1, 0xFFFF0000),
2283 (and (sra GPR:$src2, asr_amt:$sh),
2285 Requires<[IsARM, HasV6]> {
2286 let Inst{6-4} = 0b101;
2289 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
2290 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
2291 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000), (srl GPR:$src2, imm16_31:$sh)),
2292 (PKHTB GPR:$src1, GPR:$src2, (asr_shift_imm imm16_31:$sh))>;
2293 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000),
2294 (and (srl GPR:$src2, imm1_15:$sh), 0xFFFF)),
2295 (PKHTB GPR:$src1, GPR:$src2, (asr_shift_imm imm1_15:$sh))>;
2297 //===----------------------------------------------------------------------===//
2298 // Comparison Instructions...
2301 defm CMP : AI1_cmp_irs<0b1010, "cmp",
2302 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
2303 //FIXME: Disable CMN, as CCodes are backwards from compare expectations
2304 // Compare-to-zero still works out, just not the relationals
2305 //defm CMN : AI1_cmp_irs<0b1011, "cmn",
2306 // BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
2308 // Note that TST/TEQ don't set all the same flags that CMP does!
2309 defm TST : AI1_cmp_irs<0b1000, "tst",
2310 BinOpFrag<(ARMcmpZ (and node:$LHS, node:$RHS), 0)>, 1>;
2311 defm TEQ : AI1_cmp_irs<0b1001, "teq",
2312 BinOpFrag<(ARMcmpZ (xor node:$LHS, node:$RHS), 0)>, 1>;
2314 defm CMPz : AI1_cmp_irs<0b1010, "cmp",
2315 BinOpFrag<(ARMcmpZ node:$LHS, node:$RHS)>>;
2316 defm CMNz : AI1_cmp_irs<0b1011, "cmn",
2317 BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>>;
2319 //def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
2320 // (CMNri GPR:$src, so_imm_neg:$imm)>;
2322 def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
2323 (CMNzri GPR:$src, so_imm_neg:$imm)>;
2325 // Pseudo i64 compares for some floating point compares.
2326 let usesCustomInserter = 1, isBranch = 1, isTerminator = 1,
2328 def BCCi64 : PseudoInst<(outs),
2329 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, brtarget:$dst),
2331 "${:comment} B\t$dst GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, imm:$cc",
2332 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, bb:$dst)]>;
2334 def BCCZi64 : PseudoInst<(outs),
2335 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, brtarget:$dst),
2337 "${:comment} B\t$dst GPR:$lhs1, GPR:$lhs2, 0, 0, imm:$cc",
2338 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, 0, 0, bb:$dst)]>;
2339 } // usesCustomInserter
2342 // Conditional moves
2343 // FIXME: should be able to write a pattern for ARMcmov, but can't use
2344 // a two-value operand where a dag node expects two operands. :(
2345 let neverHasSideEffects = 1 in {
2346 def MOVCCr : AI1<0b1101, (outs GPR:$dst), (ins GPR:$false, GPR:$true), DPFrm,
2347 IIC_iCMOVr, "mov", "\t$dst, $true",
2348 [/*(set GPR:$dst, (ARMcmov GPR:$false, GPR:$true, imm:$cc, CCR:$ccr))*/]>,
2349 RegConstraint<"$false = $dst">, UnaryDP {
2350 let Inst{11-4} = 0b00000000;
2354 def MOVCCs : AI1<0b1101, (outs GPR:$dst),
2355 (ins GPR:$false, so_reg:$true), DPSoRegFrm, IIC_iCMOVsr,
2356 "mov", "\t$dst, $true",
2357 [/*(set GPR:$dst, (ARMcmov GPR:$false, so_reg:$true, imm:$cc, CCR:$ccr))*/]>,
2358 RegConstraint<"$false = $dst">, UnaryDP {
2362 def MOVCCi : AI1<0b1101, (outs GPR:$dst),
2363 (ins GPR:$false, so_imm:$true), DPFrm, IIC_iCMOVi,
2364 "mov", "\t$dst, $true",
2365 [/*(set GPR:$dst, (ARMcmov GPR:$false, so_imm:$true, imm:$cc, CCR:$ccr))*/]>,
2366 RegConstraint<"$false = $dst">, UnaryDP {
2369 } // neverHasSideEffects
2371 //===----------------------------------------------------------------------===//
2372 // Atomic operations intrinsics
2375 // memory barriers protect the atomic sequences
2376 let hasSideEffects = 1 in {
2377 def DMBsy : AInoP<(outs), (ins), MiscFrm, NoItinerary, "dmb", "",
2378 [(ARMMemBarrier)]>, Requires<[IsARM, HasDB]> {
2379 let Inst{31-4} = 0xf57ff05;
2380 // FIXME: add support for options other than a full system DMB
2381 // See DMB disassembly-only variants below.
2382 let Inst{3-0} = 0b1111;
2385 def DSBsy : AInoP<(outs), (ins), MiscFrm, NoItinerary, "dsb", "",
2386 [(ARMSyncBarrier)]>, Requires<[IsARM, HasDB]> {
2387 let Inst{31-4} = 0xf57ff04;
2388 // FIXME: add support for options other than a full system DSB
2389 // See DSB disassembly-only variants below.
2390 let Inst{3-0} = 0b1111;
2393 def DMB_MCR : AInoP<(outs), (ins GPR:$zero), MiscFrm, NoItinerary,
2394 "mcr", "\tp15, 0, $zero, c7, c10, 5",
2395 [(ARMMemBarrierMCR GPR:$zero)]>,
2396 Requires<[IsARM, HasV6]> {
2397 // FIXME: add support for options other than a full system DMB
2398 // FIXME: add encoding
2401 def DSB_MCR : AInoP<(outs), (ins GPR:$zero), MiscFrm, NoItinerary,
2402 "mcr", "\tp15, 0, $zero, c7, c10, 4",
2403 [(ARMSyncBarrierMCR GPR:$zero)]>,
2404 Requires<[IsARM, HasV6]> {
2405 // FIXME: add support for options other than a full system DSB
2406 // FIXME: add encoding
2410 // Memory Barrier Operations Variants -- for disassembly only
2412 def memb_opt : Operand<i32> {
2413 let PrintMethod = "printMemBOption";
2416 class AMBI<bits<4> op7_4, string opc>
2417 : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary, opc, "\t$opt",
2418 [/* For disassembly only; pattern left blank */]>,
2419 Requires<[IsARM, HasDB]> {
2420 let Inst{31-8} = 0xf57ff0;
2421 let Inst{7-4} = op7_4;
2424 // These DMB variants are for disassembly only.
2425 def DMBvar : AMBI<0b0101, "dmb">;
2427 // These DSB variants are for disassembly only.
2428 def DSBvar : AMBI<0b0100, "dsb">;
2430 // ISB has only full system option -- for disassembly only
2431 def ISBsy : AInoP<(outs), (ins), MiscFrm, NoItinerary, "isb", "", []>,
2432 Requires<[IsARM, HasDB]> {
2433 let Inst{31-4} = 0xf57ff06;
2434 let Inst{3-0} = 0b1111;
2437 let usesCustomInserter = 1 in {
2438 let Uses = [CPSR] in {
2439 def ATOMIC_LOAD_ADD_I8 : PseudoInst<
2440 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2441 "${:comment} ATOMIC_LOAD_ADD_I8 PSEUDO!",
2442 [(set GPR:$dst, (atomic_load_add_8 GPR:$ptr, GPR:$incr))]>;
2443 def ATOMIC_LOAD_SUB_I8 : PseudoInst<
2444 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2445 "${:comment} ATOMIC_LOAD_SUB_I8 PSEUDO!",
2446 [(set GPR:$dst, (atomic_load_sub_8 GPR:$ptr, GPR:$incr))]>;
2447 def ATOMIC_LOAD_AND_I8 : PseudoInst<
2448 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2449 "${:comment} ATOMIC_LOAD_AND_I8 PSEUDO!",
2450 [(set GPR:$dst, (atomic_load_and_8 GPR:$ptr, GPR:$incr))]>;
2451 def ATOMIC_LOAD_OR_I8 : PseudoInst<
2452 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2453 "${:comment} ATOMIC_LOAD_OR_I8 PSEUDO!",
2454 [(set GPR:$dst, (atomic_load_or_8 GPR:$ptr, GPR:$incr))]>;
2455 def ATOMIC_LOAD_XOR_I8 : PseudoInst<
2456 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2457 "${:comment} ATOMIC_LOAD_XOR_I8 PSEUDO!",
2458 [(set GPR:$dst, (atomic_load_xor_8 GPR:$ptr, GPR:$incr))]>;
2459 def ATOMIC_LOAD_NAND_I8 : PseudoInst<
2460 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2461 "${:comment} ATOMIC_LOAD_NAND_I8 PSEUDO!",
2462 [(set GPR:$dst, (atomic_load_nand_8 GPR:$ptr, GPR:$incr))]>;
2463 def ATOMIC_LOAD_ADD_I16 : PseudoInst<
2464 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2465 "${:comment} ATOMIC_LOAD_ADD_I16 PSEUDO!",
2466 [(set GPR:$dst, (atomic_load_add_16 GPR:$ptr, GPR:$incr))]>;
2467 def ATOMIC_LOAD_SUB_I16 : PseudoInst<
2468 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2469 "${:comment} ATOMIC_LOAD_SUB_I16 PSEUDO!",
2470 [(set GPR:$dst, (atomic_load_sub_16 GPR:$ptr, GPR:$incr))]>;
2471 def ATOMIC_LOAD_AND_I16 : PseudoInst<
2472 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2473 "${:comment} ATOMIC_LOAD_AND_I16 PSEUDO!",
2474 [(set GPR:$dst, (atomic_load_and_16 GPR:$ptr, GPR:$incr))]>;
2475 def ATOMIC_LOAD_OR_I16 : PseudoInst<
2476 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2477 "${:comment} ATOMIC_LOAD_OR_I16 PSEUDO!",
2478 [(set GPR:$dst, (atomic_load_or_16 GPR:$ptr, GPR:$incr))]>;
2479 def ATOMIC_LOAD_XOR_I16 : PseudoInst<
2480 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2481 "${:comment} ATOMIC_LOAD_XOR_I16 PSEUDO!",
2482 [(set GPR:$dst, (atomic_load_xor_16 GPR:$ptr, GPR:$incr))]>;
2483 def ATOMIC_LOAD_NAND_I16 : PseudoInst<
2484 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2485 "${:comment} ATOMIC_LOAD_NAND_I16 PSEUDO!",
2486 [(set GPR:$dst, (atomic_load_nand_16 GPR:$ptr, GPR:$incr))]>;
2487 def ATOMIC_LOAD_ADD_I32 : PseudoInst<
2488 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2489 "${:comment} ATOMIC_LOAD_ADD_I32 PSEUDO!",
2490 [(set GPR:$dst, (atomic_load_add_32 GPR:$ptr, GPR:$incr))]>;
2491 def ATOMIC_LOAD_SUB_I32 : PseudoInst<
2492 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2493 "${:comment} ATOMIC_LOAD_SUB_I32 PSEUDO!",
2494 [(set GPR:$dst, (atomic_load_sub_32 GPR:$ptr, GPR:$incr))]>;
2495 def ATOMIC_LOAD_AND_I32 : PseudoInst<
2496 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2497 "${:comment} ATOMIC_LOAD_AND_I32 PSEUDO!",
2498 [(set GPR:$dst, (atomic_load_and_32 GPR:$ptr, GPR:$incr))]>;
2499 def ATOMIC_LOAD_OR_I32 : PseudoInst<
2500 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2501 "${:comment} ATOMIC_LOAD_OR_I32 PSEUDO!",
2502 [(set GPR:$dst, (atomic_load_or_32 GPR:$ptr, GPR:$incr))]>;
2503 def ATOMIC_LOAD_XOR_I32 : PseudoInst<
2504 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2505 "${:comment} ATOMIC_LOAD_XOR_I32 PSEUDO!",
2506 [(set GPR:$dst, (atomic_load_xor_32 GPR:$ptr, GPR:$incr))]>;
2507 def ATOMIC_LOAD_NAND_I32 : PseudoInst<
2508 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2509 "${:comment} ATOMIC_LOAD_NAND_I32 PSEUDO!",
2510 [(set GPR:$dst, (atomic_load_nand_32 GPR:$ptr, GPR:$incr))]>;
2512 def ATOMIC_SWAP_I8 : PseudoInst<
2513 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
2514 "${:comment} ATOMIC_SWAP_I8 PSEUDO!",
2515 [(set GPR:$dst, (atomic_swap_8 GPR:$ptr, GPR:$new))]>;
2516 def ATOMIC_SWAP_I16 : PseudoInst<
2517 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
2518 "${:comment} ATOMIC_SWAP_I16 PSEUDO!",
2519 [(set GPR:$dst, (atomic_swap_16 GPR:$ptr, GPR:$new))]>;
2520 def ATOMIC_SWAP_I32 : PseudoInst<
2521 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
2522 "${:comment} ATOMIC_SWAP_I32 PSEUDO!",
2523 [(set GPR:$dst, (atomic_swap_32 GPR:$ptr, GPR:$new))]>;
2525 def ATOMIC_CMP_SWAP_I8 : PseudoInst<
2526 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
2527 "${:comment} ATOMIC_CMP_SWAP_I8 PSEUDO!",
2528 [(set GPR:$dst, (atomic_cmp_swap_8 GPR:$ptr, GPR:$old, GPR:$new))]>;
2529 def ATOMIC_CMP_SWAP_I16 : PseudoInst<
2530 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
2531 "${:comment} ATOMIC_CMP_SWAP_I16 PSEUDO!",
2532 [(set GPR:$dst, (atomic_cmp_swap_16 GPR:$ptr, GPR:$old, GPR:$new))]>;
2533 def ATOMIC_CMP_SWAP_I32 : PseudoInst<
2534 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
2535 "${:comment} ATOMIC_CMP_SWAP_I32 PSEUDO!",
2536 [(set GPR:$dst, (atomic_cmp_swap_32 GPR:$ptr, GPR:$old, GPR:$new))]>;
2540 let mayLoad = 1 in {
2541 def LDREXB : AIldrex<0b10, (outs GPR:$dest), (ins GPR:$ptr), NoItinerary,
2542 "ldrexb", "\t$dest, [$ptr]",
2544 def LDREXH : AIldrex<0b11, (outs GPR:$dest), (ins GPR:$ptr), NoItinerary,
2545 "ldrexh", "\t$dest, [$ptr]",
2547 def LDREX : AIldrex<0b00, (outs GPR:$dest), (ins GPR:$ptr), NoItinerary,
2548 "ldrex", "\t$dest, [$ptr]",
2550 def LDREXD : AIldrex<0b01, (outs GPR:$dest, GPR:$dest2), (ins GPR:$ptr),
2552 "ldrexd", "\t$dest, $dest2, [$ptr]",
2556 let mayStore = 1, Constraints = "@earlyclobber $success" in {
2557 def STREXB : AIstrex<0b10, (outs GPR:$success), (ins GPR:$src, GPR:$ptr),
2559 "strexb", "\t$success, $src, [$ptr]",
2561 def STREXH : AIstrex<0b11, (outs GPR:$success), (ins GPR:$src, GPR:$ptr),
2563 "strexh", "\t$success, $src, [$ptr]",
2565 def STREX : AIstrex<0b00, (outs GPR:$success), (ins GPR:$src, GPR:$ptr),
2567 "strex", "\t$success, $src, [$ptr]",
2569 def STREXD : AIstrex<0b01, (outs GPR:$success),
2570 (ins GPR:$src, GPR:$src2, GPR:$ptr),
2572 "strexd", "\t$success, $src, $src2, [$ptr]",
2576 // Clear-Exclusive is for disassembly only.
2577 def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex",
2578 [/* For disassembly only; pattern left blank */]>,
2579 Requires<[IsARM, HasV7]> {
2580 let Inst{31-20} = 0xf57;
2581 let Inst{7-4} = 0b0001;
2584 // SWP/SWPB are deprecated in V6/V7 and for disassembly only.
2585 let mayLoad = 1 in {
2586 def SWP : AI<(outs GPR:$dst), (ins GPR:$src, GPR:$ptr), LdStExFrm, NoItinerary,
2587 "swp", "\t$dst, $src, [$ptr]",
2588 [/* For disassembly only; pattern left blank */]> {
2589 let Inst{27-23} = 0b00010;
2590 let Inst{22} = 0; // B = 0
2591 let Inst{21-20} = 0b00;
2592 let Inst{7-4} = 0b1001;
2595 def SWPB : AI<(outs GPR:$dst), (ins GPR:$src, GPR:$ptr), LdStExFrm, NoItinerary,
2596 "swpb", "\t$dst, $src, [$ptr]",
2597 [/* For disassembly only; pattern left blank */]> {
2598 let Inst{27-23} = 0b00010;
2599 let Inst{22} = 1; // B = 1
2600 let Inst{21-20} = 0b00;
2601 let Inst{7-4} = 0b1001;
2605 //===----------------------------------------------------------------------===//
2609 // __aeabi_read_tp preserves the registers r1-r3.
2611 Defs = [R0, R12, LR, CPSR] in {
2612 def TPsoft : ABXI<0b1011, (outs), (ins), IIC_Br,
2613 "bl\t__aeabi_read_tp",
2614 [(set R0, ARMthread_pointer)]>;
2617 //===----------------------------------------------------------------------===//
2618 // SJLJ Exception handling intrinsics
2619 // eh_sjlj_setjmp() is an instruction sequence to store the return
2620 // address and save #0 in R0 for the non-longjmp case.
2621 // Since by its nature we may be coming from some other function to get
2622 // here, and we're using the stack frame for the containing function to
2623 // save/restore registers, we can't keep anything live in regs across
2624 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
2625 // when we get here from a longjmp(). We force everthing out of registers
2626 // except for our own input by listing the relevant registers in Defs. By
2627 // doing so, we also cause the prologue/epilogue code to actively preserve
2628 // all of the callee-saved resgisters, which is exactly what we want.
2629 // A constant value is passed in $val, and we use the location as a scratch.
2631 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, D0,
2632 D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15,
2633 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26, D27, D28, D29, D30,
2634 D31 ], hasSideEffects = 1, isBarrier = 1 in {
2635 def Int_eh_sjlj_setjmp : XI<(outs), (ins GPR:$src, GPR:$val),
2636 AddrModeNone, SizeSpecial, IndexModeNone,
2637 Pseudo, NoItinerary,
2638 "add\t$val, pc, #8\t${:comment} eh_setjmp begin\n\t"
2639 "str\t$val, [$src, #+4]\n\t"
2641 "add\tpc, pc, #0\n\t"
2642 "mov\tr0, #1 ${:comment} eh_setjmp end", "",
2643 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
2644 Requires<[IsARM, HasVFP2]>;
2648 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR ],
2649 hasSideEffects = 1, isBarrier = 1 in {
2650 def Int_eh_sjlj_setjmp_nofp : XI<(outs), (ins GPR:$src, GPR:$val),
2651 AddrModeNone, SizeSpecial, IndexModeNone,
2652 Pseudo, NoItinerary,
2653 "add\t$val, pc, #8\n ${:comment} eh_setjmp begin\n\t"
2654 "str\t$val, [$src, #+4]\n\t"
2656 "add\tpc, pc, #0\n\t"
2657 "mov\tr0, #1 ${:comment} eh_setjmp end", "",
2658 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
2659 Requires<[IsARM, NoVFP]>;
2662 // FIXME: Non-Darwin version(s)
2663 let isBarrier = 1, hasSideEffects = 1, isTerminator = 1,
2664 Defs = [ R7, LR, SP ] in {
2665 def Int_eh_sjlj_longjmp : XI<(outs), (ins GPR:$src, GPR:$scratch),
2666 AddrModeNone, SizeSpecial, IndexModeNone,
2667 Pseudo, NoItinerary,
2668 "ldr\tsp, [$src, #8]\n\t"
2669 "ldr\t$scratch, [$src, #4]\n\t"
2670 "ldr\tr7, [$src]\n\t"
2672 [(ARMeh_sjlj_longjmp GPR:$src, GPR:$scratch)]>,
2673 Requires<[IsARM, IsDarwin]>;
2676 //===----------------------------------------------------------------------===//
2677 // Non-Instruction Patterns
2680 // Large immediate handling.
2682 // Two piece so_imms.
2683 let isReMaterializable = 1 in
2684 def MOVi2pieces : AI1x2<(outs GPR:$dst), (ins so_imm2part:$src),
2686 "mov", "\t$dst, $src",
2687 [(set GPR:$dst, so_imm2part:$src)]>,
2688 Requires<[IsARM, NoV6T2]>;
2690 def : ARMPat<(or GPR:$LHS, so_imm2part:$RHS),
2691 (ORRri (ORRri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
2692 (so_imm2part_2 imm:$RHS))>;
2693 def : ARMPat<(xor GPR:$LHS, so_imm2part:$RHS),
2694 (EORri (EORri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
2695 (so_imm2part_2 imm:$RHS))>;
2696 def : ARMPat<(add GPR:$LHS, so_imm2part:$RHS),
2697 (ADDri (ADDri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
2698 (so_imm2part_2 imm:$RHS))>;
2699 def : ARMPat<(add GPR:$LHS, so_neg_imm2part:$RHS),
2700 (SUBri (SUBri GPR:$LHS, (so_neg_imm2part_1 imm:$RHS)),
2701 (so_neg_imm2part_2 imm:$RHS))>;
2703 // 32-bit immediate using movw + movt.
2704 // This is a single pseudo instruction, the benefit is that it can be remat'd
2705 // as a single unit instead of having to handle reg inputs.
2706 // FIXME: Remove this when we can do generalized remat.
2707 let isReMaterializable = 1 in
2708 def MOVi32imm : AI1x2<(outs GPR:$dst), (ins i32imm:$src), Pseudo, IIC_iMOVi,
2709 "movw", "\t$dst, ${src:lo16}\n\tmovt${p}\t$dst, ${src:hi16}",
2710 [(set GPR:$dst, (i32 imm:$src))]>,
2711 Requires<[IsARM, HasV6T2]>;
2713 // ConstantPool, GlobalAddress, and JumpTable
2714 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>,
2715 Requires<[IsARM, DontUseMovt]>;
2716 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
2717 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
2718 Requires<[IsARM, UseMovt]>;
2719 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
2720 (LEApcrelJT tjumptable:$dst, imm:$id)>;
2722 // TODO: add,sub,and, 3-instr forms?
2725 def : ARMPat<(ARMtcret tcGPR:$dst),
2726 (TCRETURNri tcGPR:$dst)>, Requires<[IsDarwin]>;
2728 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
2729 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
2731 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
2732 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
2734 def : ARMPat<(ARMtcret tcGPR:$dst),
2735 (TCRETURNriND tcGPR:$dst)>, Requires<[IsNotDarwin]>;
2737 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
2738 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
2740 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
2741 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
2744 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>,
2745 Requires<[IsARM, IsNotDarwin]>;
2746 def : ARMPat<(ARMcall texternalsym:$func), (BLr9 texternalsym:$func)>,
2747 Requires<[IsARM, IsDarwin]>;
2749 // zextload i1 -> zextload i8
2750 def : ARMPat<(zextloadi1 addrmode2:$addr), (LDRB addrmode2:$addr)>;
2752 // extload -> zextload
2753 def : ARMPat<(extloadi1 addrmode2:$addr), (LDRB addrmode2:$addr)>;
2754 def : ARMPat<(extloadi8 addrmode2:$addr), (LDRB addrmode2:$addr)>;
2755 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
2757 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
2758 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
2761 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
2762 (sra (shl GPR:$b, (i32 16)), (i32 16))),
2763 (SMULBB GPR:$a, GPR:$b)>;
2764 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
2765 (SMULBB GPR:$a, GPR:$b)>;
2766 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
2767 (sra GPR:$b, (i32 16))),
2768 (SMULBT GPR:$a, GPR:$b)>;
2769 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
2770 (SMULBT GPR:$a, GPR:$b)>;
2771 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
2772 (sra (shl GPR:$b, (i32 16)), (i32 16))),
2773 (SMULTB GPR:$a, GPR:$b)>;
2774 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
2775 (SMULTB GPR:$a, GPR:$b)>;
2776 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
2778 (SMULWB GPR:$a, GPR:$b)>;
2779 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
2780 (SMULWB GPR:$a, GPR:$b)>;
2782 def : ARMV5TEPat<(add GPR:$acc,
2783 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
2784 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
2785 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
2786 def : ARMV5TEPat<(add GPR:$acc,
2787 (mul sext_16_node:$a, sext_16_node:$b)),
2788 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
2789 def : ARMV5TEPat<(add GPR:$acc,
2790 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
2791 (sra GPR:$b, (i32 16)))),
2792 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
2793 def : ARMV5TEPat<(add GPR:$acc,
2794 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
2795 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
2796 def : ARMV5TEPat<(add GPR:$acc,
2797 (mul (sra GPR:$a, (i32 16)),
2798 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
2799 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
2800 def : ARMV5TEPat<(add GPR:$acc,
2801 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
2802 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
2803 def : ARMV5TEPat<(add GPR:$acc,
2804 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
2806 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
2807 def : ARMV5TEPat<(add GPR:$acc,
2808 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
2809 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
2811 //===----------------------------------------------------------------------===//
2815 include "ARMInstrThumb.td"
2817 //===----------------------------------------------------------------------===//
2821 include "ARMInstrThumb2.td"
2823 //===----------------------------------------------------------------------===//
2824 // Floating Point Support
2827 include "ARMInstrVFP.td"
2829 //===----------------------------------------------------------------------===//
2830 // Advanced SIMD (NEON) Support
2833 include "ARMInstrNEON.td"
2835 //===----------------------------------------------------------------------===//
2836 // Coprocessor Instructions. For disassembly only.
2839 def CDP : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2840 nohash_imm:$CRd, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2841 NoItinerary, "cdp", "\tp$cop, $opc1, cr$CRd, cr$CRn, cr$CRm, $opc2",
2842 [/* For disassembly only; pattern left blank */]> {
2846 def CDP2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2847 nohash_imm:$CRd, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2848 NoItinerary, "cdp2\tp$cop, $opc1, cr$CRd, cr$CRn, cr$CRm, $opc2",
2849 [/* For disassembly only; pattern left blank */]> {
2850 let Inst{31-28} = 0b1111;
2854 class ACI<dag oops, dag iops, string opc, string asm>
2855 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, BrFrm, NoItinerary,
2856 opc, asm, "", [/* For disassembly only; pattern left blank */]> {
2857 let Inst{27-25} = 0b110;
2860 multiclass LdStCop<bits<4> op31_28, bit load, string opc> {
2862 def _OFFSET : ACI<(outs),
2863 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
2864 opc, "\tp$cop, cr$CRd, $addr"> {
2865 let Inst{31-28} = op31_28;
2866 let Inst{24} = 1; // P = 1
2867 let Inst{21} = 0; // W = 0
2868 let Inst{22} = 0; // D = 0
2869 let Inst{20} = load;
2872 def _PRE : ACI<(outs),
2873 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
2874 opc, "\tp$cop, cr$CRd, $addr!"> {
2875 let Inst{31-28} = op31_28;
2876 let Inst{24} = 1; // P = 1
2877 let Inst{21} = 1; // W = 1
2878 let Inst{22} = 0; // D = 0
2879 let Inst{20} = load;
2882 def _POST : ACI<(outs),
2883 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
2884 opc, "\tp$cop, cr$CRd, [$base], $offset"> {
2885 let Inst{31-28} = op31_28;
2886 let Inst{24} = 0; // P = 0
2887 let Inst{21} = 1; // W = 1
2888 let Inst{22} = 0; // D = 0
2889 let Inst{20} = load;
2892 def _OPTION : ACI<(outs),
2893 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, i32imm:$option),
2894 opc, "\tp$cop, cr$CRd, [$base], $option"> {
2895 let Inst{31-28} = op31_28;
2896 let Inst{24} = 0; // P = 0
2897 let Inst{23} = 1; // U = 1
2898 let Inst{21} = 0; // W = 0
2899 let Inst{22} = 0; // D = 0
2900 let Inst{20} = load;
2903 def L_OFFSET : ACI<(outs),
2904 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
2905 !strconcat(opc, "l"), "\tp$cop, cr$CRd, $addr"> {
2906 let Inst{31-28} = op31_28;
2907 let Inst{24} = 1; // P = 1
2908 let Inst{21} = 0; // W = 0
2909 let Inst{22} = 1; // D = 1
2910 let Inst{20} = load;
2913 def L_PRE : ACI<(outs),
2914 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
2915 !strconcat(opc, "l"), "\tp$cop, cr$CRd, $addr!"> {
2916 let Inst{31-28} = op31_28;
2917 let Inst{24} = 1; // P = 1
2918 let Inst{21} = 1; // W = 1
2919 let Inst{22} = 1; // D = 1
2920 let Inst{20} = load;
2923 def L_POST : ACI<(outs),
2924 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
2925 !strconcat(opc, "l"), "\tp$cop, cr$CRd, [$base], $offset"> {
2926 let Inst{31-28} = op31_28;
2927 let Inst{24} = 0; // P = 0
2928 let Inst{21} = 1; // W = 1
2929 let Inst{22} = 1; // D = 1
2930 let Inst{20} = load;
2933 def L_OPTION : ACI<(outs),
2934 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, nohash_imm:$option),
2935 !strconcat(opc, "l"), "\tp$cop, cr$CRd, [$base], $option"> {
2936 let Inst{31-28} = op31_28;
2937 let Inst{24} = 0; // P = 0
2938 let Inst{23} = 1; // U = 1
2939 let Inst{21} = 0; // W = 0
2940 let Inst{22} = 1; // D = 1
2941 let Inst{20} = load;
2945 defm LDC : LdStCop<{?,?,?,?}, 1, "ldc">;
2946 defm LDC2 : LdStCop<0b1111, 1, "ldc2">;
2947 defm STC : LdStCop<{?,?,?,?}, 0, "stc">;
2948 defm STC2 : LdStCop<0b1111, 0, "stc2">;
2950 def MCR : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2951 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2952 NoItinerary, "mcr", "\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
2953 [/* For disassembly only; pattern left blank */]> {
2958 def MCR2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2959 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2960 NoItinerary, "mcr2\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
2961 [/* For disassembly only; pattern left blank */]> {
2962 let Inst{31-28} = 0b1111;
2967 def MRC : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2968 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2969 NoItinerary, "mrc", "\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
2970 [/* For disassembly only; pattern left blank */]> {
2975 def MRC2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2976 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2977 NoItinerary, "mrc2\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
2978 [/* For disassembly only; pattern left blank */]> {
2979 let Inst{31-28} = 0b1111;
2984 def MCRR : ABI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
2985 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
2986 NoItinerary, "mcrr", "\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
2987 [/* For disassembly only; pattern left blank */]> {
2988 let Inst{23-20} = 0b0100;
2991 def MCRR2 : ABXI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
2992 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
2993 NoItinerary, "mcrr2\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
2994 [/* For disassembly only; pattern left blank */]> {
2995 let Inst{31-28} = 0b1111;
2996 let Inst{23-20} = 0b0100;
2999 def MRRC : ABI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3000 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3001 NoItinerary, "mrrc", "\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3002 [/* For disassembly only; pattern left blank */]> {
3003 let Inst{23-20} = 0b0101;
3006 def MRRC2 : ABXI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3007 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3008 NoItinerary, "mrrc2\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3009 [/* For disassembly only; pattern left blank */]> {
3010 let Inst{31-28} = 0b1111;
3011 let Inst{23-20} = 0b0101;
3014 //===----------------------------------------------------------------------===//
3015 // Move between special register and ARM core register -- for disassembly only
3018 def MRS : ABI<0b0001,(outs GPR:$dst),(ins), NoItinerary, "mrs", "\t$dst, cpsr",
3019 [/* For disassembly only; pattern left blank */]> {
3020 let Inst{23-20} = 0b0000;
3021 let Inst{7-4} = 0b0000;
3024 def MRSsys : ABI<0b0001,(outs GPR:$dst),(ins), NoItinerary,"mrs","\t$dst, spsr",
3025 [/* For disassembly only; pattern left blank */]> {
3026 let Inst{23-20} = 0b0100;
3027 let Inst{7-4} = 0b0000;
3030 def MSR : ABI<0b0001, (outs), (ins GPR:$src, msr_mask:$mask), NoItinerary,
3031 "msr", "\tcpsr$mask, $src",
3032 [/* For disassembly only; pattern left blank */]> {
3033 let Inst{23-20} = 0b0010;
3034 let Inst{7-4} = 0b0000;
3037 def MSRi : ABI<0b0011, (outs), (ins so_imm:$a, msr_mask:$mask), NoItinerary,
3038 "msr", "\tcpsr$mask, $a",
3039 [/* For disassembly only; pattern left blank */]> {
3040 let Inst{23-20} = 0b0010;
3041 let Inst{7-4} = 0b0000;
3044 def MSRsys : ABI<0b0001, (outs), (ins GPR:$src, msr_mask:$mask), NoItinerary,
3045 "msr", "\tspsr$mask, $src",
3046 [/* For disassembly only; pattern left blank */]> {
3047 let Inst{23-20} = 0b0110;
3048 let Inst{7-4} = 0b0000;
3051 def MSRsysi : ABI<0b0011, (outs), (ins so_imm:$a, msr_mask:$mask), NoItinerary,
3052 "msr", "\tspsr$mask, $a",
3053 [/* For disassembly only; pattern left blank */]> {
3054 let Inst{23-20} = 0b0110;
3055 let Inst{7-4} = 0b0000;