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:$a), [{
224 return CurDAG->ComputeNumSignBits(SDValue(N,0)) >= 17;
227 /// bf_inv_mask_imm predicate - An AND mask to clear an arbitrary width bitfield
229 def bf_inv_mask_imm : Operand<i32>,
231 return ARM::isBitFieldInvertedMask(N->getZExtValue());
233 let PrintMethod = "printBitfieldInvMaskImmOperand";
236 /// Split a 32-bit immediate into two 16 bit parts.
237 def lo16 : SDNodeXForm<imm, [{
238 return CurDAG->getTargetConstant((uint32_t)N->getZExtValue() & 0xffff,
242 def hi16 : SDNodeXForm<imm, [{
243 return CurDAG->getTargetConstant((uint32_t)N->getZExtValue() >> 16, MVT::i32);
246 def lo16AllZero : PatLeaf<(i32 imm), [{
247 // Returns true if all low 16-bits are 0.
248 return (((uint32_t)N->getZExtValue()) & 0xFFFFUL) == 0;
251 /// imm0_65535 predicate - True if the 32-bit immediate is in the range
253 def imm0_65535 : PatLeaf<(i32 imm), [{
254 return (uint32_t)N->getZExtValue() < 65536;
257 class BinOpFrag<dag res> : PatFrag<(ops node:$LHS, node:$RHS), res>;
258 class UnOpFrag <dag res> : PatFrag<(ops node:$Src), res>;
260 /// adde and sube predicates - True based on whether the carry flag output
261 /// will be needed or not.
262 def adde_dead_carry :
263 PatFrag<(ops node:$LHS, node:$RHS), (adde node:$LHS, node:$RHS),
264 [{return !N->hasAnyUseOfValue(1);}]>;
265 def sube_dead_carry :
266 PatFrag<(ops node:$LHS, node:$RHS), (sube node:$LHS, node:$RHS),
267 [{return !N->hasAnyUseOfValue(1);}]>;
268 def adde_live_carry :
269 PatFrag<(ops node:$LHS, node:$RHS), (adde node:$LHS, node:$RHS),
270 [{return N->hasAnyUseOfValue(1);}]>;
271 def sube_live_carry :
272 PatFrag<(ops node:$LHS, node:$RHS), (sube node:$LHS, node:$RHS),
273 [{return N->hasAnyUseOfValue(1);}]>;
275 //===----------------------------------------------------------------------===//
276 // Operand Definitions.
280 def brtarget : Operand<OtherVT>;
282 // A list of registers separated by comma. Used by load/store multiple.
283 def reglist : Operand<i32> {
284 let PrintMethod = "printRegisterList";
287 // An operand for the CONSTPOOL_ENTRY pseudo-instruction.
288 def cpinst_operand : Operand<i32> {
289 let PrintMethod = "printCPInstOperand";
292 def jtblock_operand : Operand<i32> {
293 let PrintMethod = "printJTBlockOperand";
295 def jt2block_operand : Operand<i32> {
296 let PrintMethod = "printJT2BlockOperand";
300 def pclabel : Operand<i32> {
301 let PrintMethod = "printPCLabel";
304 // shifter_operand operands: so_reg and so_imm.
305 def so_reg : Operand<i32>, // reg reg imm
306 ComplexPattern<i32, 3, "SelectShifterOperandReg",
307 [shl,srl,sra,rotr]> {
308 let PrintMethod = "printSORegOperand";
309 let MIOperandInfo = (ops GPR, GPR, i32imm);
312 // so_imm - Match a 32-bit shifter_operand immediate operand, which is an
313 // 8-bit immediate rotated by an arbitrary number of bits. so_imm values are
314 // represented in the imm field in the same 12-bit form that they are encoded
315 // into so_imm instructions: the 8-bit immediate is the least significant bits
316 // [bits 0-7], the 4-bit shift amount is the next 4 bits [bits 8-11].
317 def so_imm : Operand<i32>,
319 return ARM_AM::getSOImmVal(N->getZExtValue()) != -1;
321 let PrintMethod = "printSOImmOperand";
324 // Break so_imm's up into two pieces. This handles immediates with up to 16
325 // bits set in them. This uses so_imm2part to match and so_imm2part_[12] to
326 // get the first/second pieces.
327 def so_imm2part : Operand<i32>,
329 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
331 let PrintMethod = "printSOImm2PartOperand";
334 def so_imm2part_1 : SDNodeXForm<imm, [{
335 unsigned V = ARM_AM::getSOImmTwoPartFirst((unsigned)N->getZExtValue());
336 return CurDAG->getTargetConstant(V, MVT::i32);
339 def so_imm2part_2 : SDNodeXForm<imm, [{
340 unsigned V = ARM_AM::getSOImmTwoPartSecond((unsigned)N->getZExtValue());
341 return CurDAG->getTargetConstant(V, MVT::i32);
344 def so_neg_imm2part : Operand<i32>, PatLeaf<(imm), [{
345 return ARM_AM::isSOImmTwoPartVal(-(int)N->getZExtValue());
347 let PrintMethod = "printSOImm2PartOperand";
350 def so_neg_imm2part_1 : SDNodeXForm<imm, [{
351 unsigned V = ARM_AM::getSOImmTwoPartFirst(-(int)N->getZExtValue());
352 return CurDAG->getTargetConstant(V, MVT::i32);
355 def so_neg_imm2part_2 : SDNodeXForm<imm, [{
356 unsigned V = ARM_AM::getSOImmTwoPartSecond(-(int)N->getZExtValue());
357 return CurDAG->getTargetConstant(V, MVT::i32);
360 /// imm0_31 predicate - True if the 32-bit immediate is in the range [0,31].
361 def imm0_31 : Operand<i32>, PatLeaf<(imm), [{
362 return (int32_t)N->getZExtValue() < 32;
365 // Define ARM specific addressing modes.
367 // addrmode2 := reg +/- reg shop imm
368 // addrmode2 := reg +/- imm12
370 def addrmode2 : Operand<i32>,
371 ComplexPattern<i32, 3, "SelectAddrMode2", []> {
372 let PrintMethod = "printAddrMode2Operand";
373 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
376 def am2offset : Operand<i32>,
377 ComplexPattern<i32, 2, "SelectAddrMode2Offset", []> {
378 let PrintMethod = "printAddrMode2OffsetOperand";
379 let MIOperandInfo = (ops GPR, i32imm);
382 // addrmode3 := reg +/- reg
383 // addrmode3 := reg +/- imm8
385 def addrmode3 : Operand<i32>,
386 ComplexPattern<i32, 3, "SelectAddrMode3", []> {
387 let PrintMethod = "printAddrMode3Operand";
388 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
391 def am3offset : Operand<i32>,
392 ComplexPattern<i32, 2, "SelectAddrMode3Offset", []> {
393 let PrintMethod = "printAddrMode3OffsetOperand";
394 let MIOperandInfo = (ops GPR, i32imm);
397 // addrmode4 := reg, <mode|W>
399 def addrmode4 : Operand<i32>,
400 ComplexPattern<i32, 2, "SelectAddrMode4", []> {
401 let PrintMethod = "printAddrMode4Operand";
402 let MIOperandInfo = (ops GPR:$addr, i32imm);
405 // addrmode5 := reg +/- imm8*4
407 def addrmode5 : Operand<i32>,
408 ComplexPattern<i32, 2, "SelectAddrMode5", []> {
409 let PrintMethod = "printAddrMode5Operand";
410 let MIOperandInfo = (ops GPR:$base, i32imm);
413 // addrmode6 := reg with optional writeback
415 def addrmode6 : Operand<i32>,
416 ComplexPattern<i32, 2, "SelectAddrMode6", []> {
417 let PrintMethod = "printAddrMode6Operand";
418 let MIOperandInfo = (ops GPR:$addr, i32imm);
421 def am6offset : Operand<i32> {
422 let PrintMethod = "printAddrMode6OffsetOperand";
423 let MIOperandInfo = (ops GPR);
426 // addrmodepc := pc + reg
428 def addrmodepc : Operand<i32>,
429 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
430 let PrintMethod = "printAddrModePCOperand";
431 let MIOperandInfo = (ops GPR, i32imm);
434 def nohash_imm : Operand<i32> {
435 let PrintMethod = "printNoHashImmediate";
438 //===----------------------------------------------------------------------===//
440 include "ARMInstrFormats.td"
442 //===----------------------------------------------------------------------===//
443 // Multiclass helpers...
446 /// AsI1_bin_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns for a
447 /// binop that produces a value.
448 multiclass AsI1_bin_irs<bits<4> opcod, string opc, PatFrag opnode,
449 bit Commutable = 0> {
450 def ri : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
451 IIC_iALUi, opc, "\t$dst, $a, $b",
452 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]> {
455 def rr : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
456 IIC_iALUr, opc, "\t$dst, $a, $b",
457 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]> {
458 let Inst{11-4} = 0b00000000;
460 let isCommutable = Commutable;
462 def rs : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
463 IIC_iALUsr, opc, "\t$dst, $a, $b",
464 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]> {
469 /// AI1_bin_s_irs - Similar to AsI1_bin_irs except it sets the 's' bit so the
470 /// instruction modifies the CPSR register.
471 let Defs = [CPSR] in {
472 multiclass AI1_bin_s_irs<bits<4> opcod, string opc, PatFrag opnode,
473 bit Commutable = 0> {
474 def ri : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
475 IIC_iALUi, opc, "\t$dst, $a, $b",
476 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]> {
480 def rr : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
481 IIC_iALUr, opc, "\t$dst, $a, $b",
482 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]> {
483 let isCommutable = Commutable;
484 let Inst{11-4} = 0b00000000;
488 def rs : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
489 IIC_iALUsr, opc, "\t$dst, $a, $b",
490 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]> {
497 /// AI1_cmp_irs - Defines a set of (op r, {so_imm|r|so_reg}) cmp / test
498 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
499 /// a explicit result, only implicitly set CPSR.
500 let isCompare = 1, Defs = [CPSR] in {
501 multiclass AI1_cmp_irs<bits<4> opcod, string opc, PatFrag opnode,
502 bit Commutable = 0> {
503 def ri : AI1<opcod, (outs), (ins GPR:$a, so_imm:$b), DPFrm, IIC_iCMPi,
505 [(opnode GPR:$a, so_imm:$b)]> {
509 def rr : AI1<opcod, (outs), (ins GPR:$a, GPR:$b), DPFrm, IIC_iCMPr,
511 [(opnode GPR:$a, GPR:$b)]> {
512 let Inst{11-4} = 0b00000000;
515 let isCommutable = Commutable;
517 def rs : AI1<opcod, (outs), (ins GPR:$a, so_reg:$b), DPSoRegFrm, IIC_iCMPsr,
519 [(opnode GPR:$a, so_reg:$b)]> {
526 /// AI_unary_rrot - A unary operation with two forms: one whose operand is a
527 /// register and one whose operand is a register rotated by 8/16/24.
528 /// FIXME: Remove the 'r' variant. Its rot_imm is zero.
529 multiclass AI_unary_rrot<bits<8> opcod, string opc, PatFrag opnode> {
530 def r : AExtI<opcod, (outs GPR:$dst), (ins GPR:$src),
531 IIC_iUNAr, opc, "\t$dst, $src",
532 [(set GPR:$dst, (opnode GPR:$src))]>,
533 Requires<[IsARM, HasV6]> {
534 let Inst{11-10} = 0b00;
535 let Inst{19-16} = 0b1111;
537 def r_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$src, i32imm:$rot),
538 IIC_iUNAsi, opc, "\t$dst, $src, ror $rot",
539 [(set GPR:$dst, (opnode (rotr GPR:$src, rot_imm:$rot)))]>,
540 Requires<[IsARM, HasV6]> {
541 let Inst{19-16} = 0b1111;
545 multiclass AI_unary_rrot_np<bits<8> opcod, string opc> {
546 def r : AExtI<opcod, (outs GPR:$dst), (ins GPR:$src),
547 IIC_iUNAr, opc, "\t$dst, $src",
548 [/* For disassembly only; pattern left blank */]>,
549 Requires<[IsARM, HasV6]> {
550 let Inst{11-10} = 0b00;
551 let Inst{19-16} = 0b1111;
553 def r_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$src, i32imm:$rot),
554 IIC_iUNAsi, opc, "\t$dst, $src, ror $rot",
555 [/* For disassembly only; pattern left blank */]>,
556 Requires<[IsARM, HasV6]> {
557 let Inst{19-16} = 0b1111;
561 /// AI_bin_rrot - A binary operation with two forms: one whose operand is a
562 /// register and one whose operand is a register rotated by 8/16/24.
563 multiclass AI_bin_rrot<bits<8> opcod, string opc, PatFrag opnode> {
564 def rr : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS),
565 IIC_iALUr, opc, "\t$dst, $LHS, $RHS",
566 [(set GPR:$dst, (opnode GPR:$LHS, GPR:$RHS))]>,
567 Requires<[IsARM, HasV6]> {
568 let Inst{11-10} = 0b00;
570 def rr_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS,
572 IIC_iALUsi, opc, "\t$dst, $LHS, $RHS, ror $rot",
573 [(set GPR:$dst, (opnode GPR:$LHS,
574 (rotr GPR:$RHS, rot_imm:$rot)))]>,
575 Requires<[IsARM, HasV6]>;
578 // For disassembly only.
579 multiclass AI_bin_rrot_np<bits<8> opcod, string opc> {
580 def rr : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS),
581 IIC_iALUr, opc, "\t$dst, $LHS, $RHS",
582 [/* For disassembly only; pattern left blank */]>,
583 Requires<[IsARM, HasV6]> {
584 let Inst{11-10} = 0b00;
586 def rr_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS,
588 IIC_iALUsi, opc, "\t$dst, $LHS, $RHS, ror $rot",
589 [/* For disassembly only; pattern left blank */]>,
590 Requires<[IsARM, HasV6]>;
593 /// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
594 let Uses = [CPSR] in {
595 multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode,
596 bit Commutable = 0> {
597 def ri : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
598 DPFrm, IIC_iALUi, opc, "\t$dst, $a, $b",
599 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]>,
603 def rr : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
604 DPFrm, IIC_iALUr, opc, "\t$dst, $a, $b",
605 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]>,
607 let isCommutable = Commutable;
608 let Inst{11-4} = 0b00000000;
611 def rs : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
612 DPSoRegFrm, IIC_iALUsr, opc, "\t$dst, $a, $b",
613 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]>,
618 // Carry setting variants
619 let Defs = [CPSR] in {
620 multiclass AI1_adde_sube_s_irs<bits<4> opcod, string opc, PatFrag opnode,
621 bit Commutable = 0> {
622 def Sri : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
623 DPFrm, IIC_iALUi, !strconcat(opc, "\t$dst, $a, $b"),
624 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]>,
629 def Srr : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
630 DPFrm, IIC_iALUr, !strconcat(opc, "\t$dst, $a, $b"),
631 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]>,
633 let Inst{11-4} = 0b00000000;
637 def Srs : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
638 DPSoRegFrm, IIC_iALUsr, !strconcat(opc, "\t$dst, $a, $b"),
639 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]>,
648 //===----------------------------------------------------------------------===//
650 //===----------------------------------------------------------------------===//
652 //===----------------------------------------------------------------------===//
653 // Miscellaneous Instructions.
656 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
657 /// the function. The first operand is the ID# for this instruction, the second
658 /// is the index into the MachineConstantPool that this is, the third is the
659 /// size in bytes of this constant pool entry.
660 let neverHasSideEffects = 1, isNotDuplicable = 1 in
661 def CONSTPOOL_ENTRY :
662 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
663 i32imm:$size), NoItinerary,
664 "${instid:label} ${cpidx:cpentry}", []>;
666 // FIXME: Marking these as hasSideEffects is necessary to prevent machine DCE
667 // from removing one half of the matched pairs. That breaks PEI, which assumes
668 // these will always be in pairs, and asserts if it finds otherwise. Better way?
669 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
671 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary,
672 "${:comment} ADJCALLSTACKUP $amt1",
673 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
675 def ADJCALLSTACKDOWN :
676 PseudoInst<(outs), (ins i32imm:$amt, pred:$p), NoItinerary,
677 "${:comment} ADJCALLSTACKDOWN $amt",
678 [(ARMcallseq_start timm:$amt)]>;
681 def NOP : AI<(outs), (ins), MiscFrm, NoItinerary, "nop", "",
682 [/* For disassembly only; pattern left blank */]>,
683 Requires<[IsARM, HasV6T2]> {
684 let Inst{27-16} = 0b001100100000;
685 let Inst{7-0} = 0b00000000;
688 def YIELD : AI<(outs), (ins), MiscFrm, NoItinerary, "yield", "",
689 [/* For disassembly only; pattern left blank */]>,
690 Requires<[IsARM, HasV6T2]> {
691 let Inst{27-16} = 0b001100100000;
692 let Inst{7-0} = 0b00000001;
695 def WFE : AI<(outs), (ins), MiscFrm, NoItinerary, "wfe", "",
696 [/* For disassembly only; pattern left blank */]>,
697 Requires<[IsARM, HasV6T2]> {
698 let Inst{27-16} = 0b001100100000;
699 let Inst{7-0} = 0b00000010;
702 def WFI : AI<(outs), (ins), MiscFrm, NoItinerary, "wfi", "",
703 [/* For disassembly only; pattern left blank */]>,
704 Requires<[IsARM, HasV6T2]> {
705 let Inst{27-16} = 0b001100100000;
706 let Inst{7-0} = 0b00000011;
709 def SEL : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm, NoItinerary, "sel",
711 [/* For disassembly only; pattern left blank */]>,
712 Requires<[IsARM, HasV6]> {
713 let Inst{27-20} = 0b01101000;
714 let Inst{7-4} = 0b1011;
717 def SEV : AI<(outs), (ins), MiscFrm, NoItinerary, "sev", "",
718 [/* For disassembly only; pattern left blank */]>,
719 Requires<[IsARM, HasV6T2]> {
720 let Inst{27-16} = 0b001100100000;
721 let Inst{7-0} = 0b00000100;
724 // The i32imm operand $val can be used by a debugger to store more information
725 // about the breakpoint.
726 def BKPT : AI<(outs), (ins i32imm:$val), MiscFrm, NoItinerary, "bkpt", "\t$val",
727 [/* For disassembly only; pattern left blank */]>,
729 let Inst{27-20} = 0b00010010;
730 let Inst{7-4} = 0b0111;
733 // Change Processor State is a system instruction -- for disassembly only.
734 // The singleton $opt operand contains the following information:
735 // opt{4-0} = mode from Inst{4-0}
736 // opt{5} = changemode from Inst{17}
737 // opt{8-6} = AIF from Inst{8-6}
738 // opt{10-9} = imod from Inst{19-18} with 0b10 as enable and 0b11 as disable
739 def CPS : AXI<(outs), (ins cps_opt:$opt), MiscFrm, NoItinerary, "cps$opt",
740 [/* For disassembly only; pattern left blank */]>,
742 let Inst{31-28} = 0b1111;
743 let Inst{27-20} = 0b00010000;
748 // Preload signals the memory system of possible future data/instruction access.
749 // These are for disassembly only.
751 // A8.6.117, A8.6.118. Different instructions are generated for #0 and #-0.
752 // The neg_zero operand translates -0 to -1, -1 to -2, ..., etc.
753 multiclass APreLoad<bit data, bit read, string opc> {
755 def i : AXI<(outs), (ins GPR:$base, neg_zero:$imm), MiscFrm, NoItinerary,
756 !strconcat(opc, "\t[$base, $imm]"), []> {
757 let Inst{31-26} = 0b111101;
758 let Inst{25} = 0; // 0 for immediate form
761 let Inst{21-20} = 0b01;
764 def r : AXI<(outs), (ins addrmode2:$addr), MiscFrm, NoItinerary,
765 !strconcat(opc, "\t$addr"), []> {
766 let Inst{31-26} = 0b111101;
767 let Inst{25} = 1; // 1 for register form
770 let Inst{21-20} = 0b01;
775 defm PLD : APreLoad<1, 1, "pld">;
776 defm PLDW : APreLoad<1, 0, "pldw">;
777 defm PLI : APreLoad<0, 1, "pli">;
779 def SETENDBE : AXI<(outs),(ins), MiscFrm, NoItinerary, "setend\tbe",
780 [/* For disassembly only; pattern left blank */]>,
782 let Inst{31-28} = 0b1111;
783 let Inst{27-20} = 0b00010000;
786 let Inst{7-4} = 0b0000;
789 def SETENDLE : AXI<(outs),(ins), MiscFrm, NoItinerary, "setend\tle",
790 [/* For disassembly only; pattern left blank */]>,
792 let Inst{31-28} = 0b1111;
793 let Inst{27-20} = 0b00010000;
796 let Inst{7-4} = 0b0000;
799 def DBG : AI<(outs), (ins i32imm:$opt), MiscFrm, NoItinerary, "dbg", "\t$opt",
800 [/* For disassembly only; pattern left blank */]>,
801 Requires<[IsARM, HasV7]> {
802 let Inst{27-16} = 0b001100100000;
803 let Inst{7-4} = 0b1111;
806 // A5.4 Permanently UNDEFINED instructions.
807 // FIXME: Temporary emitted as raw bytes until this pseudo-op will be added to
809 let isBarrier = 1, isTerminator = 1 in
810 def TRAP : AXI<(outs), (ins), MiscFrm, NoItinerary,
811 ".long 0xe7ffdefe ${:comment} trap", [(trap)]>,
813 let Inst{27-25} = 0b011;
814 let Inst{24-20} = 0b11111;
815 let Inst{7-5} = 0b111;
819 // Address computation and loads and stores in PIC mode.
820 let isNotDuplicable = 1 in {
821 def PICADD : AXI1<0b0100, (outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
822 Pseudo, IIC_iALUr, "\n$cp:\n\tadd$p\t$dst, pc, $a",
823 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
825 let AddedComplexity = 10 in {
826 def PICLDR : AXI2ldw<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
827 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldr$p\t$dst, $addr",
828 [(set GPR:$dst, (load addrmodepc:$addr))]>;
830 def PICLDRH : AXI3ldh<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
831 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldrh${p}\t$dst, $addr",
832 [(set GPR:$dst, (zextloadi16 addrmodepc:$addr))]>;
834 def PICLDRB : AXI2ldb<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
835 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldrb${p}\t$dst, $addr",
836 [(set GPR:$dst, (zextloadi8 addrmodepc:$addr))]>;
838 def PICLDRSH : AXI3ldsh<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
839 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldrsh${p}\t$dst, $addr",
840 [(set GPR:$dst, (sextloadi16 addrmodepc:$addr))]>;
842 def PICLDRSB : AXI3ldsb<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
843 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldrsb${p}\t$dst, $addr",
844 [(set GPR:$dst, (sextloadi8 addrmodepc:$addr))]>;
846 let AddedComplexity = 10 in {
847 def PICSTR : AXI2stw<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
848 Pseudo, IIC_iStorer, "\n${addr:label}:\n\tstr$p\t$src, $addr",
849 [(store GPR:$src, addrmodepc:$addr)]>;
851 def PICSTRH : AXI3sth<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
852 Pseudo, IIC_iStorer, "\n${addr:label}:\n\tstrh${p}\t$src, $addr",
853 [(truncstorei16 GPR:$src, addrmodepc:$addr)]>;
855 def PICSTRB : AXI2stb<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
856 Pseudo, IIC_iStorer, "\n${addr:label}:\n\tstrb${p}\t$src, $addr",
857 [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
859 } // isNotDuplicable = 1
862 // LEApcrel - Load a pc-relative address into a register without offending the
864 let neverHasSideEffects = 1 in {
865 let isReMaterializable = 1 in
866 def LEApcrel : AXI1<0x0, (outs GPR:$dst), (ins i32imm:$label, pred:$p),
868 "adr$p\t$dst, #$label", []>;
870 } // neverHasSideEffects
871 def LEApcrelJT : AXI1<0x0, (outs GPR:$dst),
872 (ins i32imm:$label, nohash_imm:$id, pred:$p),
874 "adr$p\t$dst, #${label}_${id}", []> {
878 //===----------------------------------------------------------------------===//
879 // Control Flow Instructions.
882 let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
884 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
885 "bx", "\tlr", [(ARMretflag)]>,
886 Requires<[IsARM, HasV4T]> {
887 let Inst{3-0} = 0b1110;
888 let Inst{7-4} = 0b0001;
889 let Inst{19-8} = 0b111111111111;
890 let Inst{27-20} = 0b00010010;
894 def MOVPCLR : AI<(outs), (ins), BrMiscFrm, IIC_Br,
895 "mov", "\tpc, lr", [(ARMretflag)]>,
896 Requires<[IsARM, NoV4T]> {
897 let Inst{11-0} = 0b000000001110;
898 let Inst{15-12} = 0b1111;
899 let Inst{19-16} = 0b0000;
900 let Inst{27-20} = 0b00011010;
905 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
907 def BRIND : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
909 Requires<[IsARM, HasV4T]> {
910 let Inst{7-4} = 0b0001;
911 let Inst{19-8} = 0b111111111111;
912 let Inst{27-20} = 0b00010010;
913 let Inst{31-28} = 0b1110;
917 def MOVPCRX : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "mov\tpc, $dst",
919 Requires<[IsARM, NoV4T]> {
920 let Inst{11-4} = 0b00000000;
921 let Inst{15-12} = 0b1111;
922 let Inst{19-16} = 0b0000;
923 let Inst{27-20} = 0b00011010;
924 let Inst{31-28} = 0b1110;
928 // FIXME: remove when we have a way to marking a MI with these properties.
929 // FIXME: Should pc be an implicit operand like PICADD, etc?
930 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
931 hasExtraDefRegAllocReq = 1 in
932 def LDM_RET : AXI4ld<(outs GPR:$wb), (ins addrmode4:$addr, pred:$p,
933 reglist:$dsts, variable_ops),
934 IndexModeUpd, LdStMulFrm, IIC_Br,
935 "ldm${addr:submode}${p}\t$addr!, $dsts",
936 "$addr.addr = $wb", []>;
938 // On non-Darwin platforms R9 is callee-saved.
940 Defs = [R0, R1, R2, R3, R12, LR,
941 D0, D1, D2, D3, D4, D5, D6, D7,
942 D16, D17, D18, D19, D20, D21, D22, D23,
943 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR] in {
944 def BL : ABXI<0b1011, (outs), (ins i32imm:$func, variable_ops),
945 IIC_Br, "bl\t${func:call}",
946 [(ARMcall tglobaladdr:$func)]>,
947 Requires<[IsARM, IsNotDarwin]> {
948 let Inst{31-28} = 0b1110;
951 def BL_pred : ABI<0b1011, (outs), (ins i32imm:$func, variable_ops),
952 IIC_Br, "bl", "\t${func:call}",
953 [(ARMcall_pred tglobaladdr:$func)]>,
954 Requires<[IsARM, IsNotDarwin]>;
957 def BLX : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
958 IIC_Br, "blx\t$func",
959 [(ARMcall GPR:$func)]>,
960 Requires<[IsARM, HasV5T, IsNotDarwin]> {
961 let Inst{7-4} = 0b0011;
962 let Inst{19-8} = 0b111111111111;
963 let Inst{27-20} = 0b00010010;
967 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
968 def BX : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
969 IIC_Br, "mov\tlr, pc\n\tbx\t$func",
970 [(ARMcall_nolink tGPR:$func)]>,
971 Requires<[IsARM, HasV4T, IsNotDarwin]> {
972 let Inst{7-4} = 0b0001;
973 let Inst{19-8} = 0b111111111111;
974 let Inst{27-20} = 0b00010010;
978 def BMOVPCRX : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
979 IIC_Br, "mov\tlr, pc\n\tmov\tpc, $func",
980 [(ARMcall_nolink tGPR:$func)]>,
981 Requires<[IsARM, NoV4T, IsNotDarwin]> {
982 let Inst{11-4} = 0b00000000;
983 let Inst{15-12} = 0b1111;
984 let Inst{19-16} = 0b0000;
985 let Inst{27-20} = 0b00011010;
989 // On Darwin R9 is call-clobbered.
991 Defs = [R0, R1, R2, R3, R9, R12, LR,
992 D0, D1, D2, D3, D4, D5, D6, D7,
993 D16, D17, D18, D19, D20, D21, D22, D23,
994 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR] in {
995 def BLr9 : ABXI<0b1011, (outs), (ins i32imm:$func, variable_ops),
996 IIC_Br, "bl\t${func:call}",
997 [(ARMcall tglobaladdr:$func)]>, Requires<[IsARM, IsDarwin]> {
998 let Inst{31-28} = 0b1110;
1001 def BLr9_pred : ABI<0b1011, (outs), (ins i32imm:$func, variable_ops),
1002 IIC_Br, "bl", "\t${func:call}",
1003 [(ARMcall_pred tglobaladdr:$func)]>,
1004 Requires<[IsARM, IsDarwin]>;
1007 def BLXr9 : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1008 IIC_Br, "blx\t$func",
1009 [(ARMcall GPR:$func)]>, Requires<[IsARM, HasV5T, IsDarwin]> {
1010 let Inst{7-4} = 0b0011;
1011 let Inst{19-8} = 0b111111111111;
1012 let Inst{27-20} = 0b00010010;
1016 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1017 def BXr9 : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1018 IIC_Br, "mov\tlr, pc\n\tbx\t$func",
1019 [(ARMcall_nolink tGPR:$func)]>,
1020 Requires<[IsARM, HasV4T, IsDarwin]> {
1021 let Inst{7-4} = 0b0001;
1022 let Inst{19-8} = 0b111111111111;
1023 let Inst{27-20} = 0b00010010;
1027 def BMOVPCRXr9 : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1028 IIC_Br, "mov\tlr, pc\n\tmov\tpc, $func",
1029 [(ARMcall_nolink tGPR:$func)]>,
1030 Requires<[IsARM, NoV4T, IsDarwin]> {
1031 let Inst{11-4} = 0b00000000;
1032 let Inst{15-12} = 0b1111;
1033 let Inst{19-16} = 0b0000;
1034 let Inst{27-20} = 0b00011010;
1040 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in {
1042 let Defs = [R0, R1, R2, R3, R9, R12,
1043 D0, D1, D2, D3, D4, D5, D6, D7,
1044 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26,
1045 D27, D28, D29, D30, D31, PC],
1047 def TCRETURNdi : AInoP<(outs), (ins i32imm:$dst, variable_ops),
1049 "@TC_RETURN","\t$dst", []>, Requires<[IsDarwin]>;
1051 def TCRETURNri : AInoP<(outs), (ins tcGPR:$dst, variable_ops),
1053 "@TC_RETURN","\t$dst", []>, Requires<[IsDarwin]>;
1055 def TAILJMPd : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1056 IIC_Br, "b\t$dst @ TAILCALL",
1057 []>, Requires<[IsDarwin]>;
1059 def TAILJMPdt: ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1060 IIC_Br, "b.w\t$dst @ TAILCALL",
1061 []>, Requires<[IsDarwin]>;
1063 def TAILJMPr : AXI<(outs), (ins tcGPR:$dst, variable_ops),
1064 BrMiscFrm, IIC_Br, "bx\t$dst @ TAILCALL",
1065 []>, Requires<[IsDarwin]> {
1066 let Inst{7-4} = 0b0001;
1067 let Inst{19-8} = 0b111111111111;
1068 let Inst{27-20} = 0b00010010;
1069 let Inst{31-28} = 0b1110;
1073 // Non-Darwin versions (the difference is R9).
1074 let Defs = [R0, R1, R2, R3, R12,
1075 D0, D1, D2, D3, D4, D5, D6, D7,
1076 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26,
1077 D27, D28, D29, D30, D31, PC],
1079 def TCRETURNdiND : AInoP<(outs), (ins i32imm:$dst, variable_ops),
1081 "@TC_RETURN","\t$dst", []>, Requires<[IsNotDarwin]>;
1083 def TCRETURNriND : AInoP<(outs), (ins tcGPR:$dst, variable_ops),
1085 "@TC_RETURN","\t$dst", []>, Requires<[IsNotDarwin]>;
1087 def TAILJMPdND : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1088 IIC_Br, "b\t$dst @ TAILCALL",
1089 []>, Requires<[IsARM, IsNotDarwin]>;
1091 def TAILJMPdNDt : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1092 IIC_Br, "b.w\t$dst @ TAILCALL",
1093 []>, Requires<[IsThumb, IsNotDarwin]>;
1095 def TAILJMPrND : AXI<(outs), (ins tcGPR:$dst, variable_ops),
1096 BrMiscFrm, IIC_Br, "bx\t$dst @ TAILCALL",
1097 []>, Requires<[IsNotDarwin]> {
1098 let Inst{7-4} = 0b0001;
1099 let Inst{19-8} = 0b111111111111;
1100 let Inst{27-20} = 0b00010010;
1101 let Inst{31-28} = 0b1110;
1106 let isBranch = 1, isTerminator = 1 in {
1107 // B is "predicable" since it can be xformed into a Bcc.
1108 let isBarrier = 1 in {
1109 let isPredicable = 1 in
1110 def B : ABXI<0b1010, (outs), (ins brtarget:$target), IIC_Br,
1111 "b\t$target", [(br bb:$target)]>;
1113 let isNotDuplicable = 1, isIndirectBranch = 1 in {
1114 def BR_JTr : JTI<(outs), (ins GPR:$target, jtblock_operand:$jt, i32imm:$id),
1115 IIC_Br, "mov\tpc, $target$jt",
1116 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]> {
1117 let Inst{11-4} = 0b00000000;
1118 let Inst{15-12} = 0b1111;
1119 let Inst{20} = 0; // S Bit
1120 let Inst{24-21} = 0b1101;
1121 let Inst{27-25} = 0b000;
1123 def BR_JTm : JTI<(outs),
1124 (ins addrmode2:$target, jtblock_operand:$jt, i32imm:$id),
1125 IIC_Br, "ldr\tpc, $target$jt",
1126 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
1128 let Inst{15-12} = 0b1111;
1129 let Inst{20} = 1; // L bit
1130 let Inst{21} = 0; // W bit
1131 let Inst{22} = 0; // B bit
1132 let Inst{24} = 1; // P bit
1133 let Inst{27-25} = 0b011;
1135 def BR_JTadd : JTI<(outs),
1136 (ins GPR:$target, GPR:$idx, jtblock_operand:$jt, i32imm:$id),
1137 IIC_Br, "add\tpc, $target, $idx$jt",
1138 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
1140 let Inst{15-12} = 0b1111;
1141 let Inst{20} = 0; // S bit
1142 let Inst{24-21} = 0b0100;
1143 let Inst{27-25} = 0b000;
1145 } // isNotDuplicable = 1, isIndirectBranch = 1
1148 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
1149 // a two-value operand where a dag node expects two operands. :(
1150 def Bcc : ABI<0b1010, (outs), (ins brtarget:$target),
1151 IIC_Br, "b", "\t$target",
1152 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]>;
1155 // Branch and Exchange Jazelle -- for disassembly only
1156 def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
1157 [/* For disassembly only; pattern left blank */]> {
1158 let Inst{23-20} = 0b0010;
1159 //let Inst{19-8} = 0xfff;
1160 let Inst{7-4} = 0b0010;
1163 // Secure Monitor Call is a system instruction -- for disassembly only
1164 def SMC : ABI<0b0001, (outs), (ins i32imm:$opt), NoItinerary, "smc", "\t$opt",
1165 [/* For disassembly only; pattern left blank */]> {
1166 let Inst{23-20} = 0b0110;
1167 let Inst{7-4} = 0b0111;
1170 // Supervisor Call (Software Interrupt) -- for disassembly only
1172 def SVC : ABI<0b1111, (outs), (ins i32imm:$svc), IIC_Br, "svc", "\t$svc",
1173 [/* For disassembly only; pattern left blank */]>;
1176 // Store Return State is a system instruction -- for disassembly only
1177 def SRSW : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, i32imm:$mode),
1178 NoItinerary, "srs${addr:submode}\tsp!, $mode",
1179 [/* For disassembly only; pattern left blank */]> {
1180 let Inst{31-28} = 0b1111;
1181 let Inst{22-20} = 0b110; // W = 1
1184 def SRS : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, i32imm:$mode),
1185 NoItinerary, "srs${addr:submode}\tsp, $mode",
1186 [/* For disassembly only; pattern left blank */]> {
1187 let Inst{31-28} = 0b1111;
1188 let Inst{22-20} = 0b100; // W = 0
1191 // Return From Exception is a system instruction -- for disassembly only
1192 def RFEW : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, GPR:$base),
1193 NoItinerary, "rfe${addr:submode}\t$base!",
1194 [/* For disassembly only; pattern left blank */]> {
1195 let Inst{31-28} = 0b1111;
1196 let Inst{22-20} = 0b011; // W = 1
1199 def RFE : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, GPR:$base),
1200 NoItinerary, "rfe${addr:submode}\t$base",
1201 [/* For disassembly only; pattern left blank */]> {
1202 let Inst{31-28} = 0b1111;
1203 let Inst{22-20} = 0b001; // W = 0
1206 //===----------------------------------------------------------------------===//
1207 // Load / store Instructions.
1211 let canFoldAsLoad = 1, isReMaterializable = 1 in
1212 def LDR : AI2ldw<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm, IIC_iLoadr,
1213 "ldr", "\t$dst, $addr",
1214 [(set GPR:$dst, (load addrmode2:$addr))]>;
1216 // Special LDR for loads from non-pc-relative constpools.
1217 let canFoldAsLoad = 1, mayLoad = 1, neverHasSideEffects = 1,
1218 isReMaterializable = 1 in
1219 def LDRcp : AI2ldw<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm, IIC_iLoadr,
1220 "ldr", "\t$dst, $addr", []>;
1222 // Loads with zero extension
1223 def LDRH : AI3ldh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
1224 IIC_iLoadr, "ldrh", "\t$dst, $addr",
1225 [(set GPR:$dst, (zextloadi16 addrmode3:$addr))]>;
1227 def LDRB : AI2ldb<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm,
1228 IIC_iLoadr, "ldrb", "\t$dst, $addr",
1229 [(set GPR:$dst, (zextloadi8 addrmode2:$addr))]>;
1231 // Loads with sign extension
1232 def LDRSH : AI3ldsh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
1233 IIC_iLoadr, "ldrsh", "\t$dst, $addr",
1234 [(set GPR:$dst, (sextloadi16 addrmode3:$addr))]>;
1236 def LDRSB : AI3ldsb<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
1237 IIC_iLoadr, "ldrsb", "\t$dst, $addr",
1238 [(set GPR:$dst, (sextloadi8 addrmode3:$addr))]>;
1240 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1 in {
1242 def LDRD : AI3ldd<(outs GPR:$dst1, GPR:$dst2), (ins addrmode3:$addr), LdMiscFrm,
1243 IIC_iLoadr, "ldrd", "\t$dst1, $addr",
1244 []>, Requires<[IsARM, HasV5TE]>;
1247 def LDR_PRE : AI2ldwpr<(outs GPR:$dst, GPR:$base_wb),
1248 (ins addrmode2:$addr), LdFrm, IIC_iLoadru,
1249 "ldr", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1251 def LDR_POST : AI2ldwpo<(outs GPR:$dst, GPR:$base_wb),
1252 (ins GPR:$base, am2offset:$offset), LdFrm, IIC_iLoadru,
1253 "ldr", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1255 def LDRH_PRE : AI3ldhpr<(outs GPR:$dst, GPR:$base_wb),
1256 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadru,
1257 "ldrh", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1259 def LDRH_POST : AI3ldhpo<(outs GPR:$dst, GPR:$base_wb),
1260 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1261 "ldrh", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1263 def LDRB_PRE : AI2ldbpr<(outs GPR:$dst, GPR:$base_wb),
1264 (ins addrmode2:$addr), LdFrm, IIC_iLoadru,
1265 "ldrb", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1267 def LDRB_POST : AI2ldbpo<(outs GPR:$dst, GPR:$base_wb),
1268 (ins GPR:$base,am2offset:$offset), LdFrm, IIC_iLoadru,
1269 "ldrb", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1271 def LDRSH_PRE : AI3ldshpr<(outs GPR:$dst, GPR:$base_wb),
1272 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadru,
1273 "ldrsh", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1275 def LDRSH_POST: AI3ldshpo<(outs GPR:$dst, GPR:$base_wb),
1276 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1277 "ldrsh", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1279 def LDRSB_PRE : AI3ldsbpr<(outs GPR:$dst, GPR:$base_wb),
1280 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadru,
1281 "ldrsb", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1283 def LDRSB_POST: AI3ldsbpo<(outs GPR:$dst, GPR:$base_wb),
1284 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1285 "ldrsb", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1287 // For disassembly only
1288 def LDRD_PRE : AI3lddpr<(outs GPR:$dst1, GPR:$dst2, GPR:$base_wb),
1289 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadr,
1290 "ldrd", "\t$dst1, $dst2, $addr!", "$addr.base = $base_wb", []>,
1291 Requires<[IsARM, HasV5TE]>;
1293 // For disassembly only
1294 def LDRD_POST : AI3lddpo<(outs GPR:$dst1, GPR:$dst2, GPR:$base_wb),
1295 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadr,
1296 "ldrd", "\t$dst1, $dst2, [$base], $offset", "$base = $base_wb", []>,
1297 Requires<[IsARM, HasV5TE]>;
1299 } // mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1
1301 // LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT are for disassembly only.
1303 def LDRT : AI2ldwpo<(outs GPR:$dst, GPR:$base_wb),
1304 (ins GPR:$base, am2offset:$offset), LdFrm, IIC_iLoadru,
1305 "ldrt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1306 let Inst{21} = 1; // overwrite
1309 def LDRBT : AI2ldbpo<(outs GPR:$dst, GPR:$base_wb),
1310 (ins GPR:$base,am2offset:$offset), LdFrm, IIC_iLoadru,
1311 "ldrbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1312 let Inst{21} = 1; // overwrite
1315 def LDRSBT : AI3ldsbpo<(outs GPR:$dst, GPR:$base_wb),
1316 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1317 "ldrsbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1318 let Inst{21} = 1; // overwrite
1321 def LDRHT : AI3ldhpo<(outs GPR:$dst, GPR:$base_wb),
1322 (ins GPR:$base, am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1323 "ldrht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1324 let Inst{21} = 1; // overwrite
1327 def LDRSHT : AI3ldshpo<(outs GPR:$dst, GPR:$base_wb),
1328 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1329 "ldrsht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1330 let Inst{21} = 1; // overwrite
1334 def STR : AI2stw<(outs), (ins GPR:$src, addrmode2:$addr), StFrm, IIC_iStorer,
1335 "str", "\t$src, $addr",
1336 [(store GPR:$src, addrmode2:$addr)]>;
1338 // Stores with truncate
1339 def STRH : AI3sth<(outs), (ins GPR:$src, addrmode3:$addr), StMiscFrm,
1340 IIC_iStorer, "strh", "\t$src, $addr",
1341 [(truncstorei16 GPR:$src, addrmode3:$addr)]>;
1343 def STRB : AI2stb<(outs), (ins GPR:$src, addrmode2:$addr), StFrm, IIC_iStorer,
1344 "strb", "\t$src, $addr",
1345 [(truncstorei8 GPR:$src, addrmode2:$addr)]>;
1348 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in
1349 def STRD : AI3std<(outs), (ins GPR:$src1, GPR:$src2, addrmode3:$addr),
1350 StMiscFrm, IIC_iStorer,
1351 "strd", "\t$src1, $addr", []>, Requires<[IsARM, HasV5TE]>;
1354 def STR_PRE : AI2stwpr<(outs GPR:$base_wb),
1355 (ins GPR:$src, GPR:$base, am2offset:$offset),
1356 StFrm, IIC_iStoreru,
1357 "str", "\t$src, [$base, $offset]!", "$base = $base_wb",
1359 (pre_store GPR:$src, GPR:$base, am2offset:$offset))]>;
1361 def STR_POST : AI2stwpo<(outs GPR:$base_wb),
1362 (ins GPR:$src, GPR:$base,am2offset:$offset),
1363 StFrm, IIC_iStoreru,
1364 "str", "\t$src, [$base], $offset", "$base = $base_wb",
1366 (post_store GPR:$src, GPR:$base, am2offset:$offset))]>;
1368 def STRH_PRE : AI3sthpr<(outs GPR:$base_wb),
1369 (ins GPR:$src, GPR:$base,am3offset:$offset),
1370 StMiscFrm, IIC_iStoreru,
1371 "strh", "\t$src, [$base, $offset]!", "$base = $base_wb",
1373 (pre_truncsti16 GPR:$src, GPR:$base,am3offset:$offset))]>;
1375 def STRH_POST: AI3sthpo<(outs GPR:$base_wb),
1376 (ins GPR:$src, GPR:$base,am3offset:$offset),
1377 StMiscFrm, IIC_iStoreru,
1378 "strh", "\t$src, [$base], $offset", "$base = $base_wb",
1379 [(set GPR:$base_wb, (post_truncsti16 GPR:$src,
1380 GPR:$base, am3offset:$offset))]>;
1382 def STRB_PRE : AI2stbpr<(outs GPR:$base_wb),
1383 (ins GPR:$src, GPR:$base,am2offset:$offset),
1384 StFrm, IIC_iStoreru,
1385 "strb", "\t$src, [$base, $offset]!", "$base = $base_wb",
1386 [(set GPR:$base_wb, (pre_truncsti8 GPR:$src,
1387 GPR:$base, am2offset:$offset))]>;
1389 def STRB_POST: AI2stbpo<(outs GPR:$base_wb),
1390 (ins GPR:$src, GPR:$base,am2offset:$offset),
1391 StFrm, IIC_iStoreru,
1392 "strb", "\t$src, [$base], $offset", "$base = $base_wb",
1393 [(set GPR:$base_wb, (post_truncsti8 GPR:$src,
1394 GPR:$base, am2offset:$offset))]>;
1396 // For disassembly only
1397 def STRD_PRE : AI3stdpr<(outs GPR:$base_wb),
1398 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1399 StMiscFrm, IIC_iStoreru,
1400 "strd", "\t$src1, $src2, [$base, $offset]!",
1401 "$base = $base_wb", []>;
1403 // For disassembly only
1404 def STRD_POST: AI3stdpo<(outs GPR:$base_wb),
1405 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1406 StMiscFrm, IIC_iStoreru,
1407 "strd", "\t$src1, $src2, [$base], $offset",
1408 "$base = $base_wb", []>;
1410 // STRT, STRBT, and STRHT are for disassembly only.
1412 def STRT : AI2stwpo<(outs GPR:$base_wb),
1413 (ins GPR:$src, GPR:$base,am2offset:$offset),
1414 StFrm, IIC_iStoreru,
1415 "strt", "\t$src, [$base], $offset", "$base = $base_wb",
1416 [/* For disassembly only; pattern left blank */]> {
1417 let Inst{21} = 1; // overwrite
1420 def STRBT : AI2stbpo<(outs GPR:$base_wb),
1421 (ins GPR:$src, GPR:$base,am2offset:$offset),
1422 StFrm, IIC_iStoreru,
1423 "strbt", "\t$src, [$base], $offset", "$base = $base_wb",
1424 [/* For disassembly only; pattern left blank */]> {
1425 let Inst{21} = 1; // overwrite
1428 def STRHT: AI3sthpo<(outs GPR:$base_wb),
1429 (ins GPR:$src, GPR:$base,am3offset:$offset),
1430 StMiscFrm, IIC_iStoreru,
1431 "strht", "\t$src, [$base], $offset", "$base = $base_wb",
1432 [/* For disassembly only; pattern left blank */]> {
1433 let Inst{21} = 1; // overwrite
1436 //===----------------------------------------------------------------------===//
1437 // Load / store multiple Instructions.
1440 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1 in {
1441 def LDM : AXI4ld<(outs), (ins addrmode4:$addr, pred:$p,
1442 reglist:$dsts, variable_ops),
1443 IndexModeNone, LdStMulFrm, IIC_iLoadm,
1444 "ldm${addr:submode}${p}\t$addr, $dsts", "", []>;
1446 def LDM_UPD : AXI4ld<(outs GPR:$wb), (ins addrmode4:$addr, pred:$p,
1447 reglist:$dsts, variable_ops),
1448 IndexModeUpd, LdStMulFrm, IIC_iLoadm,
1449 "ldm${addr:submode}${p}\t$addr!, $dsts",
1450 "$addr.addr = $wb", []>;
1451 } // mayLoad, neverHasSideEffects, hasExtraDefRegAllocReq
1453 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in {
1454 def STM : AXI4st<(outs), (ins addrmode4:$addr, pred:$p,
1455 reglist:$srcs, variable_ops),
1456 IndexModeNone, LdStMulFrm, IIC_iStorem,
1457 "stm${addr:submode}${p}\t$addr, $srcs", "", []>;
1459 def STM_UPD : AXI4st<(outs GPR:$wb), (ins addrmode4:$addr, pred:$p,
1460 reglist:$srcs, variable_ops),
1461 IndexModeUpd, LdStMulFrm, IIC_iStorem,
1462 "stm${addr:submode}${p}\t$addr!, $srcs",
1463 "$addr.addr = $wb", []>;
1464 } // mayStore, neverHasSideEffects, hasExtraSrcRegAllocReq
1466 //===----------------------------------------------------------------------===//
1467 // Move Instructions.
1470 let neverHasSideEffects = 1 in
1471 def MOVr : AsI1<0b1101, (outs GPR:$dst), (ins GPR:$src), DPFrm, IIC_iMOVr,
1472 "mov", "\t$dst, $src", []>, UnaryDP {
1473 let Inst{11-4} = 0b00000000;
1477 // A version for the smaller set of tail call registers.
1478 let neverHasSideEffects = 1 in
1479 def MOVr_TC : AsI1<0b1101, (outs tcGPR:$dst), (ins tcGPR:$src), DPFrm,
1480 IIC_iMOVr, "mov", "\t$dst, $src", []>, UnaryDP {
1481 let Inst{11-4} = 0b00000000;
1485 def MOVs : AsI1<0b1101, (outs GPR:$dst), (ins so_reg:$src),
1486 DPSoRegFrm, IIC_iMOVsr,
1487 "mov", "\t$dst, $src", [(set GPR:$dst, so_reg:$src)]>, UnaryDP {
1491 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
1492 def MOVi : AsI1<0b1101, (outs GPR:$dst), (ins so_imm:$src), DPFrm, IIC_iMOVi,
1493 "mov", "\t$dst, $src", [(set GPR:$dst, so_imm:$src)]>, UnaryDP {
1497 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
1498 def MOVi16 : AI1<0b1000, (outs GPR:$dst), (ins i32imm:$src),
1500 "movw", "\t$dst, $src",
1501 [(set GPR:$dst, imm0_65535:$src)]>,
1502 Requires<[IsARM, HasV6T2]>, UnaryDP {
1507 let Constraints = "$src = $dst" in
1508 def MOVTi16 : AI1<0b1010, (outs GPR:$dst), (ins GPR:$src, i32imm:$imm),
1510 "movt", "\t$dst, $imm",
1512 (or (and GPR:$src, 0xffff),
1513 lo16AllZero:$imm))]>, UnaryDP,
1514 Requires<[IsARM, HasV6T2]> {
1519 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
1520 Requires<[IsARM, HasV6T2]>;
1522 let Uses = [CPSR] in
1523 def MOVrx : AsI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo, IIC_iMOVsi,
1524 "mov", "\t$dst, $src, rrx",
1525 [(set GPR:$dst, (ARMrrx GPR:$src))]>, UnaryDP;
1527 // These aren't really mov instructions, but we have to define them this way
1528 // due to flag operands.
1530 let Defs = [CPSR] in {
1531 def MOVsrl_flag : AI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo,
1532 IIC_iMOVsi, "movs", "\t$dst, $src, lsr #1",
1533 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP;
1534 def MOVsra_flag : AI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo,
1535 IIC_iMOVsi, "movs", "\t$dst, $src, asr #1",
1536 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP;
1539 //===----------------------------------------------------------------------===//
1540 // Extend Instructions.
1545 defm SXTB : AI_unary_rrot<0b01101010,
1546 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
1547 defm SXTH : AI_unary_rrot<0b01101011,
1548 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
1550 defm SXTAB : AI_bin_rrot<0b01101010,
1551 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
1552 defm SXTAH : AI_bin_rrot<0b01101011,
1553 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
1555 // For disassembly only
1556 defm SXTB16 : AI_unary_rrot_np<0b01101000, "sxtb16">;
1558 // For disassembly only
1559 defm SXTAB16 : AI_bin_rrot_np<0b01101000, "sxtab16">;
1563 let AddedComplexity = 16 in {
1564 defm UXTB : AI_unary_rrot<0b01101110,
1565 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
1566 defm UXTH : AI_unary_rrot<0b01101111,
1567 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
1568 defm UXTB16 : AI_unary_rrot<0b01101100,
1569 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
1571 // FIXME: This pattern incorrectly assumes the shl operator is a rotate.
1572 // The transformation should probably be done as a combiner action
1573 // instead so we can include a check for masking back in the upper
1574 // eight bits of the source into the lower eight bits of the result.
1575 //def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
1576 // (UXTB16r_rot GPR:$Src, 24)>;
1577 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
1578 (UXTB16r_rot GPR:$Src, 8)>;
1580 defm UXTAB : AI_bin_rrot<0b01101110, "uxtab",
1581 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
1582 defm UXTAH : AI_bin_rrot<0b01101111, "uxtah",
1583 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
1586 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
1587 // For disassembly only
1588 defm UXTAB16 : AI_bin_rrot_np<0b01101100, "uxtab16">;
1591 def SBFX : I<(outs GPR:$dst),
1592 (ins GPR:$src, imm0_31:$lsb, imm0_31:$width),
1593 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iALUi,
1594 "sbfx", "\t$dst, $src, $lsb, $width", "", []>,
1595 Requires<[IsARM, HasV6T2]> {
1596 let Inst{27-21} = 0b0111101;
1597 let Inst{6-4} = 0b101;
1600 def UBFX : I<(outs GPR:$dst),
1601 (ins GPR:$src, imm0_31:$lsb, imm0_31:$width),
1602 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iALUi,
1603 "ubfx", "\t$dst, $src, $lsb, $width", "", []>,
1604 Requires<[IsARM, HasV6T2]> {
1605 let Inst{27-21} = 0b0111111;
1606 let Inst{6-4} = 0b101;
1609 //===----------------------------------------------------------------------===//
1610 // Arithmetic Instructions.
1613 defm ADD : AsI1_bin_irs<0b0100, "add",
1614 BinOpFrag<(add node:$LHS, node:$RHS)>, 1>;
1615 defm SUB : AsI1_bin_irs<0b0010, "sub",
1616 BinOpFrag<(sub node:$LHS, node:$RHS)>>;
1618 // ADD and SUB with 's' bit set.
1619 defm ADDS : AI1_bin_s_irs<0b0100, "adds",
1620 BinOpFrag<(addc node:$LHS, node:$RHS)>, 1>;
1621 defm SUBS : AI1_bin_s_irs<0b0010, "subs",
1622 BinOpFrag<(subc node:$LHS, node:$RHS)>>;
1624 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
1625 BinOpFrag<(adde_dead_carry node:$LHS, node:$RHS)>, 1>;
1626 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
1627 BinOpFrag<(sube_dead_carry node:$LHS, node:$RHS)>>;
1628 defm ADCS : AI1_adde_sube_s_irs<0b0101, "adcs",
1629 BinOpFrag<(adde_live_carry node:$LHS, node:$RHS)>, 1>;
1630 defm SBCS : AI1_adde_sube_s_irs<0b0110, "sbcs",
1631 BinOpFrag<(sube_live_carry node:$LHS, node:$RHS) >>;
1633 def RSBri : AsI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
1634 IIC_iALUi, "rsb", "\t$dst, $a, $b",
1635 [(set GPR:$dst, (sub so_imm:$b, GPR:$a))]> {
1639 // The reg/reg form is only defined for the disassembler; for codegen it is
1640 // equivalent to SUBrr.
1641 def RSBrr : AsI1<0b0011, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
1642 IIC_iALUr, "rsb", "\t$dst, $a, $b",
1643 [/* For disassembly only; pattern left blank */]> {
1645 let Inst{11-4} = 0b00000000;
1648 def RSBrs : AsI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
1649 IIC_iALUsr, "rsb", "\t$dst, $a, $b",
1650 [(set GPR:$dst, (sub so_reg:$b, GPR:$a))]> {
1654 // RSB with 's' bit set.
1655 let Defs = [CPSR] in {
1656 def RSBSri : AI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
1657 IIC_iALUi, "rsbs", "\t$dst, $a, $b",
1658 [(set GPR:$dst, (subc so_imm:$b, GPR:$a))]> {
1662 def RSBSrs : AI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
1663 IIC_iALUsr, "rsbs", "\t$dst, $a, $b",
1664 [(set GPR:$dst, (subc so_reg:$b, GPR:$a))]> {
1670 let Uses = [CPSR] in {
1671 def RSCri : AsI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
1672 DPFrm, IIC_iALUi, "rsc", "\t$dst, $a, $b",
1673 [(set GPR:$dst, (sube_dead_carry so_imm:$b, GPR:$a))]>,
1677 // The reg/reg form is only defined for the disassembler; for codegen it is
1678 // equivalent to SUBrr.
1679 def RSCrr : AsI1<0b0111, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1680 DPFrm, IIC_iALUr, "rsc", "\t$dst, $a, $b",
1681 [/* For disassembly only; pattern left blank */]> {
1683 let Inst{11-4} = 0b00000000;
1685 def RSCrs : AsI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
1686 DPSoRegFrm, IIC_iALUsr, "rsc", "\t$dst, $a, $b",
1687 [(set GPR:$dst, (sube_dead_carry so_reg:$b, GPR:$a))]>,
1693 // FIXME: Allow these to be predicated.
1694 let Defs = [CPSR], Uses = [CPSR] in {
1695 def RSCSri : AXI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
1696 DPFrm, IIC_iALUi, "rscs\t$dst, $a, $b",
1697 [(set GPR:$dst, (sube_dead_carry so_imm:$b, GPR:$a))]>,
1702 def RSCSrs : AXI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
1703 DPSoRegFrm, IIC_iALUsr, "rscs\t$dst, $a, $b",
1704 [(set GPR:$dst, (sube_dead_carry so_reg:$b, GPR:$a))]>,
1711 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
1712 // The assume-no-carry-in form uses the negation of the input since add/sub
1713 // assume opposite meanings of the carry flag (i.e., carry == !borrow).
1714 // See the definition of AddWithCarry() in the ARM ARM A2.2.1 for the gory
1716 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
1717 (SUBri GPR:$src, so_imm_neg:$imm)>;
1718 def : ARMPat<(addc GPR:$src, so_imm_neg:$imm),
1719 (SUBSri GPR:$src, so_imm_neg:$imm)>;
1720 // The with-carry-in form matches bitwise not instead of the negation.
1721 // Effectively, the inverse interpretation of the carry flag already accounts
1722 // for part of the negation.
1723 def : ARMPat<(adde GPR:$src, so_imm_not:$imm),
1724 (SBCri GPR:$src, so_imm_not:$imm)>;
1726 // Note: These are implemented in C++ code, because they have to generate
1727 // ADD/SUBrs instructions, which use a complex pattern that a xform function
1729 // (mul X, 2^n+1) -> (add (X << n), X)
1730 // (mul X, 2^n-1) -> (rsb X, (X << n))
1732 // ARM Arithmetic Instruction -- for disassembly only
1733 // GPR:$dst = GPR:$a op GPR:$b
1734 class AAI<bits<8> op27_20, bits<4> op7_4, string opc,
1735 list<dag> pattern = [/* For disassembly only; pattern left blank */]>
1736 : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm, IIC_iALUr,
1737 opc, "\t$dst, $a, $b", pattern> {
1738 let Inst{27-20} = op27_20;
1739 let Inst{7-4} = op7_4;
1742 // Saturating add/subtract -- for disassembly only
1744 def QADD : AAI<0b00010000, 0b0101, "qadd",
1745 [(set GPR:$dst, (int_arm_qadd GPR:$a, GPR:$b))]>;
1746 def QADD16 : AAI<0b01100010, 0b0001, "qadd16">;
1747 def QADD8 : AAI<0b01100010, 0b1001, "qadd8">;
1748 def QASX : AAI<0b01100010, 0b0011, "qasx">;
1749 def QDADD : AAI<0b00010100, 0b0101, "qdadd">;
1750 def QDSUB : AAI<0b00010110, 0b0101, "qdsub">;
1751 def QSAX : AAI<0b01100010, 0b0101, "qsax">;
1752 def QSUB : AAI<0b00010010, 0b0101, "qsub",
1753 [(set GPR:$dst, (int_arm_qsub GPR:$a, GPR:$b))]>;
1754 def QSUB16 : AAI<0b01100010, 0b0111, "qsub16">;
1755 def QSUB8 : AAI<0b01100010, 0b1111, "qsub8">;
1756 def UQADD16 : AAI<0b01100110, 0b0001, "uqadd16">;
1757 def UQADD8 : AAI<0b01100110, 0b1001, "uqadd8">;
1758 def UQASX : AAI<0b01100110, 0b0011, "uqasx">;
1759 def UQSAX : AAI<0b01100110, 0b0101, "uqsax">;
1760 def UQSUB16 : AAI<0b01100110, 0b0111, "uqsub16">;
1761 def UQSUB8 : AAI<0b01100110, 0b1111, "uqsub8">;
1763 // Signed/Unsigned add/subtract -- for disassembly only
1765 def SASX : AAI<0b01100001, 0b0011, "sasx">;
1766 def SADD16 : AAI<0b01100001, 0b0001, "sadd16">;
1767 def SADD8 : AAI<0b01100001, 0b1001, "sadd8">;
1768 def SSAX : AAI<0b01100001, 0b0101, "ssax">;
1769 def SSUB16 : AAI<0b01100001, 0b0111, "ssub16">;
1770 def SSUB8 : AAI<0b01100001, 0b1111, "ssub8">;
1771 def UASX : AAI<0b01100101, 0b0011, "uasx">;
1772 def UADD16 : AAI<0b01100101, 0b0001, "uadd16">;
1773 def UADD8 : AAI<0b01100101, 0b1001, "uadd8">;
1774 def USAX : AAI<0b01100101, 0b0101, "usax">;
1775 def USUB16 : AAI<0b01100101, 0b0111, "usub16">;
1776 def USUB8 : AAI<0b01100101, 0b1111, "usub8">;
1778 // Signed/Unsigned halving add/subtract -- for disassembly only
1780 def SHASX : AAI<0b01100011, 0b0011, "shasx">;
1781 def SHADD16 : AAI<0b01100011, 0b0001, "shadd16">;
1782 def SHADD8 : AAI<0b01100011, 0b1001, "shadd8">;
1783 def SHSAX : AAI<0b01100011, 0b0101, "shsax">;
1784 def SHSUB16 : AAI<0b01100011, 0b0111, "shsub16">;
1785 def SHSUB8 : AAI<0b01100011, 0b1111, "shsub8">;
1786 def UHASX : AAI<0b01100111, 0b0011, "uhasx">;
1787 def UHADD16 : AAI<0b01100111, 0b0001, "uhadd16">;
1788 def UHADD8 : AAI<0b01100111, 0b1001, "uhadd8">;
1789 def UHSAX : AAI<0b01100111, 0b0101, "uhsax">;
1790 def UHSUB16 : AAI<0b01100111, 0b0111, "uhsub16">;
1791 def UHSUB8 : AAI<0b01100111, 0b1111, "uhsub8">;
1793 // Unsigned Sum of Absolute Differences [and Accumulate] -- for disassembly only
1795 def USAD8 : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b),
1796 MulFrm /* for convenience */, NoItinerary, "usad8",
1797 "\t$dst, $a, $b", []>,
1798 Requires<[IsARM, HasV6]> {
1799 let Inst{27-20} = 0b01111000;
1800 let Inst{15-12} = 0b1111;
1801 let Inst{7-4} = 0b0001;
1803 def USADA8 : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1804 MulFrm /* for convenience */, NoItinerary, "usada8",
1805 "\t$dst, $a, $b, $acc", []>,
1806 Requires<[IsARM, HasV6]> {
1807 let Inst{27-20} = 0b01111000;
1808 let Inst{7-4} = 0b0001;
1811 // Signed/Unsigned saturate -- for disassembly only
1813 def SSATlsl : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a, i32imm:$shamt),
1814 SatFrm, NoItinerary,
1815 "ssat", "\t$dst, $bit_pos, $a, lsl $shamt",
1816 [/* For disassembly only; pattern left blank */]> {
1817 let Inst{27-21} = 0b0110101;
1818 let Inst{6-4} = 0b001;
1821 def SSATasr : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a, i32imm:$shamt),
1822 SatFrm, NoItinerary,
1823 "ssat", "\t$dst, $bit_pos, $a, asr $shamt",
1824 [/* For disassembly only; pattern left blank */]> {
1825 let Inst{27-21} = 0b0110101;
1826 let Inst{6-4} = 0b101;
1829 def SSAT16 : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a), SatFrm,
1830 NoItinerary, "ssat16", "\t$dst, $bit_pos, $a",
1831 [/* For disassembly only; pattern left blank */]> {
1832 let Inst{27-20} = 0b01101010;
1833 let Inst{7-4} = 0b0011;
1836 def USATlsl : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a, i32imm:$shamt),
1837 SatFrm, NoItinerary,
1838 "usat", "\t$dst, $bit_pos, $a, lsl $shamt",
1839 [/* For disassembly only; pattern left blank */]> {
1840 let Inst{27-21} = 0b0110111;
1841 let Inst{6-4} = 0b001;
1844 def USATasr : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a, i32imm:$shamt),
1845 SatFrm, NoItinerary,
1846 "usat", "\t$dst, $bit_pos, $a, asr $shamt",
1847 [/* For disassembly only; pattern left blank */]> {
1848 let Inst{27-21} = 0b0110111;
1849 let Inst{6-4} = 0b101;
1852 def USAT16 : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a), SatFrm,
1853 NoItinerary, "usat16", "\t$dst, $bit_pos, $a",
1854 [/* For disassembly only; pattern left blank */]> {
1855 let Inst{27-20} = 0b01101110;
1856 let Inst{7-4} = 0b0011;
1859 def : ARMV6Pat<(int_arm_ssat GPR:$a, imm:$pos), (SSATlsl imm:$pos, GPR:$a, 0)>;
1860 def : ARMV6Pat<(int_arm_usat GPR:$a, imm:$pos), (USATlsl imm:$pos, GPR:$a, 0)>;
1862 //===----------------------------------------------------------------------===//
1863 // Bitwise Instructions.
1866 defm AND : AsI1_bin_irs<0b0000, "and",
1867 BinOpFrag<(and node:$LHS, node:$RHS)>, 1>;
1868 defm ORR : AsI1_bin_irs<0b1100, "orr",
1869 BinOpFrag<(or node:$LHS, node:$RHS)>, 1>;
1870 defm EOR : AsI1_bin_irs<0b0001, "eor",
1871 BinOpFrag<(xor node:$LHS, node:$RHS)>, 1>;
1872 defm BIC : AsI1_bin_irs<0b1110, "bic",
1873 BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
1875 def BFC : I<(outs GPR:$dst), (ins GPR:$src, bf_inv_mask_imm:$imm),
1876 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
1877 "bfc", "\t$dst, $imm", "$src = $dst",
1878 [(set GPR:$dst, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
1879 Requires<[IsARM, HasV6T2]> {
1880 let Inst{27-21} = 0b0111110;
1881 let Inst{6-0} = 0b0011111;
1884 // A8.6.18 BFI - Bitfield insert (Encoding A1)
1885 def BFI : I<(outs GPR:$dst), (ins GPR:$src, GPR:$val, bf_inv_mask_imm:$imm),
1886 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
1887 "bfi", "\t$dst, $val, $imm", "$src = $dst",
1888 [(set GPR:$dst, (ARMbfi GPR:$src, GPR:$val,
1889 bf_inv_mask_imm:$imm))]>,
1890 Requires<[IsARM, HasV6T2]> {
1891 let Inst{27-21} = 0b0111110;
1892 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
1895 def MVNr : AsI1<0b1111, (outs GPR:$dst), (ins GPR:$src), DPFrm, IIC_iMOVr,
1896 "mvn", "\t$dst, $src",
1897 [(set GPR:$dst, (not GPR:$src))]>, UnaryDP {
1899 let Inst{11-4} = 0b00000000;
1901 def MVNs : AsI1<0b1111, (outs GPR:$dst), (ins so_reg:$src), DPSoRegFrm,
1902 IIC_iMOVsr, "mvn", "\t$dst, $src",
1903 [(set GPR:$dst, (not so_reg:$src))]>, UnaryDP {
1906 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
1907 def MVNi : AsI1<0b1111, (outs GPR:$dst), (ins so_imm:$imm), DPFrm,
1908 IIC_iMOVi, "mvn", "\t$dst, $imm",
1909 [(set GPR:$dst, so_imm_not:$imm)]>,UnaryDP {
1913 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
1914 (BICri GPR:$src, so_imm_not:$imm)>;
1916 //===----------------------------------------------------------------------===//
1917 // Multiply Instructions.
1920 let isCommutable = 1 in
1921 def MUL : AsMul1I<0b0000000, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1922 IIC_iMUL32, "mul", "\t$dst, $a, $b",
1923 [(set GPR:$dst, (mul GPR:$a, GPR:$b))]>;
1925 def MLA : AsMul1I<0b0000001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1926 IIC_iMAC32, "mla", "\t$dst, $a, $b, $c",
1927 [(set GPR:$dst, (add (mul GPR:$a, GPR:$b), GPR:$c))]>;
1929 def MLS : AMul1I<0b0000011, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1930 IIC_iMAC32, "mls", "\t$dst, $a, $b, $c",
1931 [(set GPR:$dst, (sub GPR:$c, (mul GPR:$a, GPR:$b)))]>,
1932 Requires<[IsARM, HasV6T2]>;
1934 // Extra precision multiplies with low / high results
1935 let neverHasSideEffects = 1 in {
1936 let isCommutable = 1 in {
1937 def SMULL : AsMul1I<0b0000110, (outs GPR:$ldst, GPR:$hdst),
1938 (ins GPR:$a, GPR:$b), IIC_iMUL64,
1939 "smull", "\t$ldst, $hdst, $a, $b", []>;
1941 def UMULL : AsMul1I<0b0000100, (outs GPR:$ldst, GPR:$hdst),
1942 (ins GPR:$a, GPR:$b), IIC_iMUL64,
1943 "umull", "\t$ldst, $hdst, $a, $b", []>;
1946 // Multiply + accumulate
1947 def SMLAL : AsMul1I<0b0000111, (outs GPR:$ldst, GPR:$hdst),
1948 (ins GPR:$a, GPR:$b), IIC_iMAC64,
1949 "smlal", "\t$ldst, $hdst, $a, $b", []>;
1951 def UMLAL : AsMul1I<0b0000101, (outs GPR:$ldst, GPR:$hdst),
1952 (ins GPR:$a, GPR:$b), IIC_iMAC64,
1953 "umlal", "\t$ldst, $hdst, $a, $b", []>;
1955 def UMAAL : AMul1I <0b0000010, (outs GPR:$ldst, GPR:$hdst),
1956 (ins GPR:$a, GPR:$b), IIC_iMAC64,
1957 "umaal", "\t$ldst, $hdst, $a, $b", []>,
1958 Requires<[IsARM, HasV6]>;
1959 } // neverHasSideEffects
1961 // Most significant word multiply
1962 def SMMUL : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1963 IIC_iMUL32, "smmul", "\t$dst, $a, $b",
1964 [(set GPR:$dst, (mulhs GPR:$a, GPR:$b))]>,
1965 Requires<[IsARM, HasV6]> {
1966 let Inst{7-4} = 0b0001;
1967 let Inst{15-12} = 0b1111;
1970 def SMMULR : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1971 IIC_iMUL32, "smmulr", "\t$dst, $a, $b",
1972 [/* For disassembly only; pattern left blank */]>,
1973 Requires<[IsARM, HasV6]> {
1974 let Inst{7-4} = 0b0011; // R = 1
1975 let Inst{15-12} = 0b1111;
1978 def SMMLA : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1979 IIC_iMAC32, "smmla", "\t$dst, $a, $b, $c",
1980 [(set GPR:$dst, (add (mulhs GPR:$a, GPR:$b), GPR:$c))]>,
1981 Requires<[IsARM, HasV6]> {
1982 let Inst{7-4} = 0b0001;
1985 def SMMLAR : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1986 IIC_iMAC32, "smmlar", "\t$dst, $a, $b, $c",
1987 [/* For disassembly only; pattern left blank */]>,
1988 Requires<[IsARM, HasV6]> {
1989 let Inst{7-4} = 0b0011; // R = 1
1992 def SMMLS : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1993 IIC_iMAC32, "smmls", "\t$dst, $a, $b, $c",
1994 [(set GPR:$dst, (sub GPR:$c, (mulhs GPR:$a, GPR:$b)))]>,
1995 Requires<[IsARM, HasV6]> {
1996 let Inst{7-4} = 0b1101;
1999 def SMMLSR : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
2000 IIC_iMAC32, "smmlsr", "\t$dst, $a, $b, $c",
2001 [/* For disassembly only; pattern left blank */]>,
2002 Requires<[IsARM, HasV6]> {
2003 let Inst{7-4} = 0b1111; // R = 1
2006 multiclass AI_smul<string opc, PatFrag opnode> {
2007 def BB : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2008 IIC_iMUL32, !strconcat(opc, "bb"), "\t$dst, $a, $b",
2009 [(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16),
2010 (sext_inreg GPR:$b, i16)))]>,
2011 Requires<[IsARM, HasV5TE]> {
2016 def BT : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2017 IIC_iMUL32, !strconcat(opc, "bt"), "\t$dst, $a, $b",
2018 [(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16),
2019 (sra GPR:$b, (i32 16))))]>,
2020 Requires<[IsARM, HasV5TE]> {
2025 def TB : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2026 IIC_iMUL32, !strconcat(opc, "tb"), "\t$dst, $a, $b",
2027 [(set GPR:$dst, (opnode (sra GPR:$a, (i32 16)),
2028 (sext_inreg GPR:$b, i16)))]>,
2029 Requires<[IsARM, HasV5TE]> {
2034 def TT : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2035 IIC_iMUL32, !strconcat(opc, "tt"), "\t$dst, $a, $b",
2036 [(set GPR:$dst, (opnode (sra GPR:$a, (i32 16)),
2037 (sra GPR:$b, (i32 16))))]>,
2038 Requires<[IsARM, HasV5TE]> {
2043 def WB : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2044 IIC_iMUL16, !strconcat(opc, "wb"), "\t$dst, $a, $b",
2045 [(set GPR:$dst, (sra (opnode GPR:$a,
2046 (sext_inreg GPR:$b, i16)), (i32 16)))]>,
2047 Requires<[IsARM, HasV5TE]> {
2052 def WT : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2053 IIC_iMUL16, !strconcat(opc, "wt"), "\t$dst, $a, $b",
2054 [(set GPR:$dst, (sra (opnode GPR:$a,
2055 (sra GPR:$b, (i32 16))), (i32 16)))]>,
2056 Requires<[IsARM, HasV5TE]> {
2063 multiclass AI_smla<string opc, PatFrag opnode> {
2064 def BB : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2065 IIC_iMAC16, !strconcat(opc, "bb"), "\t$dst, $a, $b, $acc",
2066 [(set GPR:$dst, (add GPR:$acc,
2067 (opnode (sext_inreg GPR:$a, i16),
2068 (sext_inreg GPR:$b, i16))))]>,
2069 Requires<[IsARM, HasV5TE]> {
2074 def BT : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2075 IIC_iMAC16, !strconcat(opc, "bt"), "\t$dst, $a, $b, $acc",
2076 [(set GPR:$dst, (add GPR:$acc, (opnode (sext_inreg GPR:$a, i16),
2077 (sra GPR:$b, (i32 16)))))]>,
2078 Requires<[IsARM, HasV5TE]> {
2083 def TB : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2084 IIC_iMAC16, !strconcat(opc, "tb"), "\t$dst, $a, $b, $acc",
2085 [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, (i32 16)),
2086 (sext_inreg GPR:$b, i16))))]>,
2087 Requires<[IsARM, HasV5TE]> {
2092 def TT : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2093 IIC_iMAC16, !strconcat(opc, "tt"), "\t$dst, $a, $b, $acc",
2094 [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, (i32 16)),
2095 (sra GPR:$b, (i32 16)))))]>,
2096 Requires<[IsARM, HasV5TE]> {
2101 def WB : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2102 IIC_iMAC16, !strconcat(opc, "wb"), "\t$dst, $a, $b, $acc",
2103 [(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a,
2104 (sext_inreg GPR:$b, i16)), (i32 16))))]>,
2105 Requires<[IsARM, HasV5TE]> {
2110 def WT : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2111 IIC_iMAC16, !strconcat(opc, "wt"), "\t$dst, $a, $b, $acc",
2112 [(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a,
2113 (sra GPR:$b, (i32 16))), (i32 16))))]>,
2114 Requires<[IsARM, HasV5TE]> {
2120 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
2121 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
2123 // Halfword multiply accumulate long: SMLAL<x><y> -- for disassembly only
2124 def SMLALBB : AMulxyI<0b0001010,(outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
2125 IIC_iMAC64, "smlalbb", "\t$ldst, $hdst, $a, $b",
2126 [/* For disassembly only; pattern left blank */]>,
2127 Requires<[IsARM, HasV5TE]> {
2132 def SMLALBT : AMulxyI<0b0001010,(outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
2133 IIC_iMAC64, "smlalbt", "\t$ldst, $hdst, $a, $b",
2134 [/* For disassembly only; pattern left blank */]>,
2135 Requires<[IsARM, HasV5TE]> {
2140 def SMLALTB : AMulxyI<0b0001010,(outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
2141 IIC_iMAC64, "smlaltb", "\t$ldst, $hdst, $a, $b",
2142 [/* For disassembly only; pattern left blank */]>,
2143 Requires<[IsARM, HasV5TE]> {
2148 def SMLALTT : AMulxyI<0b0001010,(outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
2149 IIC_iMAC64, "smlaltt", "\t$ldst, $hdst, $a, $b",
2150 [/* For disassembly only; pattern left blank */]>,
2151 Requires<[IsARM, HasV5TE]> {
2156 // Helper class for AI_smld -- for disassembly only
2157 class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
2158 InstrItinClass itin, string opc, string asm>
2159 : AI<oops, iops, MulFrm, itin, opc, asm, []>, Requires<[IsARM, HasV6]> {
2164 let Inst{21-20} = 0b00;
2165 let Inst{22} = long;
2166 let Inst{27-23} = 0b01110;
2169 multiclass AI_smld<bit sub, string opc> {
2171 def D : AMulDualI<0, sub, 0, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2172 NoItinerary, !strconcat(opc, "d"), "\t$dst, $a, $b, $acc">;
2174 def DX : AMulDualI<0, sub, 1, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2175 NoItinerary, !strconcat(opc, "dx"), "\t$dst, $a, $b, $acc">;
2177 def LD : AMulDualI<1, sub, 0, (outs GPR:$ldst,GPR:$hdst), (ins GPR:$a,GPR:$b),
2178 NoItinerary, !strconcat(opc, "ld"), "\t$ldst, $hdst, $a, $b">;
2180 def LDX : AMulDualI<1, sub, 1, (outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
2181 NoItinerary, !strconcat(opc, "ldx"),"\t$ldst, $hdst, $a, $b">;
2185 defm SMLA : AI_smld<0, "smla">;
2186 defm SMLS : AI_smld<1, "smls">;
2188 multiclass AI_sdml<bit sub, string opc> {
2190 def D : AMulDualI<0, sub, 0, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2191 NoItinerary, !strconcat(opc, "d"), "\t$dst, $a, $b"> {
2192 let Inst{15-12} = 0b1111;
2195 def DX : AMulDualI<0, sub, 1, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2196 NoItinerary, !strconcat(opc, "dx"), "\t$dst, $a, $b"> {
2197 let Inst{15-12} = 0b1111;
2202 defm SMUA : AI_sdml<0, "smua">;
2203 defm SMUS : AI_sdml<1, "smus">;
2205 //===----------------------------------------------------------------------===//
2206 // Misc. Arithmetic Instructions.
2209 def CLZ : AMiscA1I<0b000010110, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
2210 "clz", "\t$dst, $src",
2211 [(set GPR:$dst, (ctlz GPR:$src))]>, Requires<[IsARM, HasV5T]> {
2212 let Inst{7-4} = 0b0001;
2213 let Inst{11-8} = 0b1111;
2214 let Inst{19-16} = 0b1111;
2217 def RBIT : AMiscA1I<0b01101111, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
2218 "rbit", "\t$dst, $src",
2219 [(set GPR:$dst, (ARMrbit GPR:$src))]>,
2220 Requires<[IsARM, HasV6T2]> {
2221 let Inst{7-4} = 0b0011;
2222 let Inst{11-8} = 0b1111;
2223 let Inst{19-16} = 0b1111;
2226 def REV : AMiscA1I<0b01101011, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
2227 "rev", "\t$dst, $src",
2228 [(set GPR:$dst, (bswap GPR:$src))]>, Requires<[IsARM, HasV6]> {
2229 let Inst{7-4} = 0b0011;
2230 let Inst{11-8} = 0b1111;
2231 let Inst{19-16} = 0b1111;
2234 def REV16 : AMiscA1I<0b01101011, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
2235 "rev16", "\t$dst, $src",
2237 (or (and (srl GPR:$src, (i32 8)), 0xFF),
2238 (or (and (shl GPR:$src, (i32 8)), 0xFF00),
2239 (or (and (srl GPR:$src, (i32 8)), 0xFF0000),
2240 (and (shl GPR:$src, (i32 8)), 0xFF000000)))))]>,
2241 Requires<[IsARM, HasV6]> {
2242 let Inst{7-4} = 0b1011;
2243 let Inst{11-8} = 0b1111;
2244 let Inst{19-16} = 0b1111;
2247 def REVSH : AMiscA1I<0b01101111, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
2248 "revsh", "\t$dst, $src",
2251 (or (srl (and GPR:$src, 0xFF00), (i32 8)),
2252 (shl GPR:$src, (i32 8))), i16))]>,
2253 Requires<[IsARM, HasV6]> {
2254 let Inst{7-4} = 0b1011;
2255 let Inst{11-8} = 0b1111;
2256 let Inst{19-16} = 0b1111;
2259 def PKHBT : AMiscA1I<0b01101000, (outs GPR:$dst),
2260 (ins GPR:$src1, GPR:$src2, i32imm:$shamt),
2261 IIC_iALUsi, "pkhbt", "\t$dst, $src1, $src2, lsl $shamt",
2262 [(set GPR:$dst, (or (and GPR:$src1, 0xFFFF),
2263 (and (shl GPR:$src2, (i32 imm:$shamt)),
2265 Requires<[IsARM, HasV6]> {
2266 let Inst{6-4} = 0b001;
2269 // Alternate cases for PKHBT where identities eliminate some nodes.
2270 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF), (and GPR:$src2, 0xFFFF0000)),
2271 (PKHBT GPR:$src1, GPR:$src2, 0)>;
2272 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF), (shl GPR:$src2, imm16_31:$shamt)),
2273 (PKHBT GPR:$src1, GPR:$src2, imm16_31:$shamt)>;
2276 def PKHTB : AMiscA1I<0b01101000, (outs GPR:$dst),
2277 (ins GPR:$src1, GPR:$src2, i32imm:$shamt),
2278 IIC_iALUsi, "pkhtb", "\t$dst, $src1, $src2, asr $shamt",
2279 [(set GPR:$dst, (or (and GPR:$src1, 0xFFFF0000),
2280 (and (sra GPR:$src2, imm16_31:$shamt),
2281 0xFFFF)))]>, Requires<[IsARM, HasV6]> {
2282 let Inst{6-4} = 0b101;
2285 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
2286 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
2287 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000), (srl GPR:$src2, (i32 16))),
2288 (PKHTB GPR:$src1, GPR:$src2, 16)>;
2289 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000),
2290 (and (srl GPR:$src2, imm1_15:$shamt), 0xFFFF)),
2291 (PKHTB GPR:$src1, GPR:$src2, imm1_15:$shamt)>;
2293 //===----------------------------------------------------------------------===//
2294 // Comparison Instructions...
2297 defm CMP : AI1_cmp_irs<0b1010, "cmp",
2298 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
2299 //FIXME: Disable CMN, as CCodes are backwards from compare expectations
2300 // Compare-to-zero still works out, just not the relationals
2301 //defm CMN : AI1_cmp_irs<0b1011, "cmn",
2302 // BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
2304 // Note that TST/TEQ don't set all the same flags that CMP does!
2305 defm TST : AI1_cmp_irs<0b1000, "tst",
2306 BinOpFrag<(ARMcmpZ (and node:$LHS, node:$RHS), 0)>, 1>;
2307 defm TEQ : AI1_cmp_irs<0b1001, "teq",
2308 BinOpFrag<(ARMcmpZ (xor node:$LHS, node:$RHS), 0)>, 1>;
2310 defm CMPz : AI1_cmp_irs<0b1010, "cmp",
2311 BinOpFrag<(ARMcmpZ node:$LHS, node:$RHS)>>;
2312 defm CMNz : AI1_cmp_irs<0b1011, "cmn",
2313 BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>>;
2315 //def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
2316 // (CMNri GPR:$src, so_imm_neg:$imm)>;
2318 def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
2319 (CMNzri GPR:$src, so_imm_neg:$imm)>;
2321 // Pseudo i64 compares for some floating point compares.
2322 let usesCustomInserter = 1, isBranch = 1, isTerminator = 1,
2324 def BCCi64 : PseudoInst<(outs),
2325 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, brtarget:$dst),
2327 "${:comment} B\t$dst GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, imm:$cc",
2328 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, bb:$dst)]>;
2330 def BCCZi64 : PseudoInst<(outs),
2331 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, brtarget:$dst),
2333 "${:comment} B\t$dst GPR:$lhs1, GPR:$lhs2, 0, 0, imm:$cc",
2334 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, 0, 0, bb:$dst)]>;
2335 } // usesCustomInserter
2338 // Conditional moves
2339 // FIXME: should be able to write a pattern for ARMcmov, but can't use
2340 // a two-value operand where a dag node expects two operands. :(
2341 let neverHasSideEffects = 1 in {
2342 def MOVCCr : AI1<0b1101, (outs GPR:$dst), (ins GPR:$false, GPR:$true), DPFrm,
2343 IIC_iCMOVr, "mov", "\t$dst, $true",
2344 [/*(set GPR:$dst, (ARMcmov GPR:$false, GPR:$true, imm:$cc, CCR:$ccr))*/]>,
2345 RegConstraint<"$false = $dst">, UnaryDP {
2346 let Inst{11-4} = 0b00000000;
2350 def MOVCCs : AI1<0b1101, (outs GPR:$dst),
2351 (ins GPR:$false, so_reg:$true), DPSoRegFrm, IIC_iCMOVsr,
2352 "mov", "\t$dst, $true",
2353 [/*(set GPR:$dst, (ARMcmov GPR:$false, so_reg:$true, imm:$cc, CCR:$ccr))*/]>,
2354 RegConstraint<"$false = $dst">, UnaryDP {
2358 def MOVCCi : AI1<0b1101, (outs GPR:$dst),
2359 (ins GPR:$false, so_imm:$true), DPFrm, IIC_iCMOVi,
2360 "mov", "\t$dst, $true",
2361 [/*(set GPR:$dst, (ARMcmov GPR:$false, so_imm:$true, imm:$cc, CCR:$ccr))*/]>,
2362 RegConstraint<"$false = $dst">, UnaryDP {
2365 } // neverHasSideEffects
2367 //===----------------------------------------------------------------------===//
2368 // Atomic operations intrinsics
2371 // memory barriers protect the atomic sequences
2372 let hasSideEffects = 1 in {
2373 def DMBsy : AInoP<(outs), (ins), Pseudo, NoItinerary, "dmb", "",
2374 [(ARMMemBarrier)]>, Requires<[IsARM, HasDB]> {
2375 let Inst{31-4} = 0xf57ff05;
2376 // FIXME: add support for options other than a full system DMB
2377 // See DMB disassembly-only variants below.
2378 let Inst{3-0} = 0b1111;
2381 def DSBsy : AInoP<(outs), (ins), Pseudo, NoItinerary, "dsb", "",
2382 [(ARMSyncBarrier)]>, Requires<[IsARM, HasDB]> {
2383 let Inst{31-4} = 0xf57ff04;
2384 // FIXME: add support for options other than a full system DSB
2385 // See DSB disassembly-only variants below.
2386 let Inst{3-0} = 0b1111;
2389 def DMB_MCR : AInoP<(outs), (ins GPR:$zero), Pseudo, NoItinerary,
2390 "mcr", "\tp15, 0, $zero, c7, c10, 5",
2391 [(ARMMemBarrierMCR GPR:$zero)]>,
2392 Requires<[IsARM, HasV6]> {
2393 // FIXME: add support for options other than a full system DMB
2394 // FIXME: add encoding
2397 def DSB_MCR : AInoP<(outs), (ins GPR:$zero), Pseudo, NoItinerary,
2398 "mcr", "\tp15, 0, $zero, c7, c10, 4",
2399 [(ARMSyncBarrierMCR GPR:$zero)]>,
2400 Requires<[IsARM, HasV6]> {
2401 // FIXME: add support for options other than a full system DSB
2402 // FIXME: add encoding
2406 // Helper class for multiclass MemB -- for disassembly only
2407 class AMBI<string opc, string asm>
2408 : AInoP<(outs), (ins), MiscFrm, NoItinerary, opc, asm,
2409 [/* For disassembly only; pattern left blank */]>,
2410 Requires<[IsARM, HasV7]> {
2411 let Inst{31-20} = 0xf57;
2414 multiclass MemB<bits<4> op7_4, string opc> {
2416 def st : AMBI<opc, "\tst"> {
2417 let Inst{7-4} = op7_4;
2418 let Inst{3-0} = 0b1110;
2421 def ish : AMBI<opc, "\tish"> {
2422 let Inst{7-4} = op7_4;
2423 let Inst{3-0} = 0b1011;
2426 def ishst : AMBI<opc, "\tishst"> {
2427 let Inst{7-4} = op7_4;
2428 let Inst{3-0} = 0b1010;
2431 def nsh : AMBI<opc, "\tnsh"> {
2432 let Inst{7-4} = op7_4;
2433 let Inst{3-0} = 0b0111;
2436 def nshst : AMBI<opc, "\tnshst"> {
2437 let Inst{7-4} = op7_4;
2438 let Inst{3-0} = 0b0110;
2441 def osh : AMBI<opc, "\tosh"> {
2442 let Inst{7-4} = op7_4;
2443 let Inst{3-0} = 0b0011;
2446 def oshst : AMBI<opc, "\toshst"> {
2447 let Inst{7-4} = op7_4;
2448 let Inst{3-0} = 0b0010;
2452 // These DMB variants are for disassembly only.
2453 defm DMB : MemB<0b0101, "dmb">;
2455 // These DSB variants are for disassembly only.
2456 defm DSB : MemB<0b0100, "dsb">;
2458 // ISB has only full system option -- for disassembly only
2459 def ISBsy : AMBI<"isb", ""> {
2460 let Inst{7-4} = 0b0110;
2461 let Inst{3-0} = 0b1111;
2464 let usesCustomInserter = 1 in {
2465 let Uses = [CPSR] in {
2466 def ATOMIC_LOAD_ADD_I8 : PseudoInst<
2467 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2468 "${:comment} ATOMIC_LOAD_ADD_I8 PSEUDO!",
2469 [(set GPR:$dst, (atomic_load_add_8 GPR:$ptr, GPR:$incr))]>;
2470 def ATOMIC_LOAD_SUB_I8 : PseudoInst<
2471 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2472 "${:comment} ATOMIC_LOAD_SUB_I8 PSEUDO!",
2473 [(set GPR:$dst, (atomic_load_sub_8 GPR:$ptr, GPR:$incr))]>;
2474 def ATOMIC_LOAD_AND_I8 : PseudoInst<
2475 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2476 "${:comment} ATOMIC_LOAD_AND_I8 PSEUDO!",
2477 [(set GPR:$dst, (atomic_load_and_8 GPR:$ptr, GPR:$incr))]>;
2478 def ATOMIC_LOAD_OR_I8 : PseudoInst<
2479 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2480 "${:comment} ATOMIC_LOAD_OR_I8 PSEUDO!",
2481 [(set GPR:$dst, (atomic_load_or_8 GPR:$ptr, GPR:$incr))]>;
2482 def ATOMIC_LOAD_XOR_I8 : PseudoInst<
2483 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2484 "${:comment} ATOMIC_LOAD_XOR_I8 PSEUDO!",
2485 [(set GPR:$dst, (atomic_load_xor_8 GPR:$ptr, GPR:$incr))]>;
2486 def ATOMIC_LOAD_NAND_I8 : PseudoInst<
2487 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2488 "${:comment} ATOMIC_LOAD_NAND_I8 PSEUDO!",
2489 [(set GPR:$dst, (atomic_load_nand_8 GPR:$ptr, GPR:$incr))]>;
2490 def ATOMIC_LOAD_ADD_I16 : PseudoInst<
2491 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2492 "${:comment} ATOMIC_LOAD_ADD_I16 PSEUDO!",
2493 [(set GPR:$dst, (atomic_load_add_16 GPR:$ptr, GPR:$incr))]>;
2494 def ATOMIC_LOAD_SUB_I16 : PseudoInst<
2495 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2496 "${:comment} ATOMIC_LOAD_SUB_I16 PSEUDO!",
2497 [(set GPR:$dst, (atomic_load_sub_16 GPR:$ptr, GPR:$incr))]>;
2498 def ATOMIC_LOAD_AND_I16 : PseudoInst<
2499 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2500 "${:comment} ATOMIC_LOAD_AND_I16 PSEUDO!",
2501 [(set GPR:$dst, (atomic_load_and_16 GPR:$ptr, GPR:$incr))]>;
2502 def ATOMIC_LOAD_OR_I16 : PseudoInst<
2503 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2504 "${:comment} ATOMIC_LOAD_OR_I16 PSEUDO!",
2505 [(set GPR:$dst, (atomic_load_or_16 GPR:$ptr, GPR:$incr))]>;
2506 def ATOMIC_LOAD_XOR_I16 : PseudoInst<
2507 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2508 "${:comment} ATOMIC_LOAD_XOR_I16 PSEUDO!",
2509 [(set GPR:$dst, (atomic_load_xor_16 GPR:$ptr, GPR:$incr))]>;
2510 def ATOMIC_LOAD_NAND_I16 : PseudoInst<
2511 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2512 "${:comment} ATOMIC_LOAD_NAND_I16 PSEUDO!",
2513 [(set GPR:$dst, (atomic_load_nand_16 GPR:$ptr, GPR:$incr))]>;
2514 def ATOMIC_LOAD_ADD_I32 : PseudoInst<
2515 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2516 "${:comment} ATOMIC_LOAD_ADD_I32 PSEUDO!",
2517 [(set GPR:$dst, (atomic_load_add_32 GPR:$ptr, GPR:$incr))]>;
2518 def ATOMIC_LOAD_SUB_I32 : PseudoInst<
2519 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2520 "${:comment} ATOMIC_LOAD_SUB_I32 PSEUDO!",
2521 [(set GPR:$dst, (atomic_load_sub_32 GPR:$ptr, GPR:$incr))]>;
2522 def ATOMIC_LOAD_AND_I32 : PseudoInst<
2523 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2524 "${:comment} ATOMIC_LOAD_AND_I32 PSEUDO!",
2525 [(set GPR:$dst, (atomic_load_and_32 GPR:$ptr, GPR:$incr))]>;
2526 def ATOMIC_LOAD_OR_I32 : PseudoInst<
2527 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2528 "${:comment} ATOMIC_LOAD_OR_I32 PSEUDO!",
2529 [(set GPR:$dst, (atomic_load_or_32 GPR:$ptr, GPR:$incr))]>;
2530 def ATOMIC_LOAD_XOR_I32 : PseudoInst<
2531 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2532 "${:comment} ATOMIC_LOAD_XOR_I32 PSEUDO!",
2533 [(set GPR:$dst, (atomic_load_xor_32 GPR:$ptr, GPR:$incr))]>;
2534 def ATOMIC_LOAD_NAND_I32 : PseudoInst<
2535 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2536 "${:comment} ATOMIC_LOAD_NAND_I32 PSEUDO!",
2537 [(set GPR:$dst, (atomic_load_nand_32 GPR:$ptr, GPR:$incr))]>;
2539 def ATOMIC_SWAP_I8 : PseudoInst<
2540 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
2541 "${:comment} ATOMIC_SWAP_I8 PSEUDO!",
2542 [(set GPR:$dst, (atomic_swap_8 GPR:$ptr, GPR:$new))]>;
2543 def ATOMIC_SWAP_I16 : PseudoInst<
2544 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
2545 "${:comment} ATOMIC_SWAP_I16 PSEUDO!",
2546 [(set GPR:$dst, (atomic_swap_16 GPR:$ptr, GPR:$new))]>;
2547 def ATOMIC_SWAP_I32 : PseudoInst<
2548 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
2549 "${:comment} ATOMIC_SWAP_I32 PSEUDO!",
2550 [(set GPR:$dst, (atomic_swap_32 GPR:$ptr, GPR:$new))]>;
2552 def ATOMIC_CMP_SWAP_I8 : PseudoInst<
2553 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
2554 "${:comment} ATOMIC_CMP_SWAP_I8 PSEUDO!",
2555 [(set GPR:$dst, (atomic_cmp_swap_8 GPR:$ptr, GPR:$old, GPR:$new))]>;
2556 def ATOMIC_CMP_SWAP_I16 : PseudoInst<
2557 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
2558 "${:comment} ATOMIC_CMP_SWAP_I16 PSEUDO!",
2559 [(set GPR:$dst, (atomic_cmp_swap_16 GPR:$ptr, GPR:$old, GPR:$new))]>;
2560 def ATOMIC_CMP_SWAP_I32 : PseudoInst<
2561 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
2562 "${:comment} ATOMIC_CMP_SWAP_I32 PSEUDO!",
2563 [(set GPR:$dst, (atomic_cmp_swap_32 GPR:$ptr, GPR:$old, GPR:$new))]>;
2567 let mayLoad = 1 in {
2568 def LDREXB : AIldrex<0b10, (outs GPR:$dest), (ins GPR:$ptr), NoItinerary,
2569 "ldrexb", "\t$dest, [$ptr]",
2571 def LDREXH : AIldrex<0b11, (outs GPR:$dest), (ins GPR:$ptr), NoItinerary,
2572 "ldrexh", "\t$dest, [$ptr]",
2574 def LDREX : AIldrex<0b00, (outs GPR:$dest), (ins GPR:$ptr), NoItinerary,
2575 "ldrex", "\t$dest, [$ptr]",
2577 def LDREXD : AIldrex<0b01, (outs GPR:$dest, GPR:$dest2), (ins GPR:$ptr),
2579 "ldrexd", "\t$dest, $dest2, [$ptr]",
2583 let mayStore = 1, Constraints = "@earlyclobber $success" in {
2584 def STREXB : AIstrex<0b10, (outs GPR:$success), (ins GPR:$src, GPR:$ptr),
2586 "strexb", "\t$success, $src, [$ptr]",
2588 def STREXH : AIstrex<0b11, (outs GPR:$success), (ins GPR:$src, GPR:$ptr),
2590 "strexh", "\t$success, $src, [$ptr]",
2592 def STREX : AIstrex<0b00, (outs GPR:$success), (ins GPR:$src, GPR:$ptr),
2594 "strex", "\t$success, $src, [$ptr]",
2596 def STREXD : AIstrex<0b01, (outs GPR:$success),
2597 (ins GPR:$src, GPR:$src2, GPR:$ptr),
2599 "strexd", "\t$success, $src, $src2, [$ptr]",
2603 // Clear-Exclusive is for disassembly only.
2604 def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex",
2605 [/* For disassembly only; pattern left blank */]>,
2606 Requires<[IsARM, HasV7]> {
2607 let Inst{31-20} = 0xf57;
2608 let Inst{7-4} = 0b0001;
2611 // SWP/SWPB are deprecated in V6/V7 and for disassembly only.
2612 let mayLoad = 1 in {
2613 def SWP : AI<(outs GPR:$dst), (ins GPR:$src, GPR:$ptr), LdStExFrm, NoItinerary,
2614 "swp", "\t$dst, $src, [$ptr]",
2615 [/* For disassembly only; pattern left blank */]> {
2616 let Inst{27-23} = 0b00010;
2617 let Inst{22} = 0; // B = 0
2618 let Inst{21-20} = 0b00;
2619 let Inst{7-4} = 0b1001;
2622 def SWPB : AI<(outs GPR:$dst), (ins GPR:$src, GPR:$ptr), LdStExFrm, NoItinerary,
2623 "swpb", "\t$dst, $src, [$ptr]",
2624 [/* For disassembly only; pattern left blank */]> {
2625 let Inst{27-23} = 0b00010;
2626 let Inst{22} = 1; // B = 1
2627 let Inst{21-20} = 0b00;
2628 let Inst{7-4} = 0b1001;
2632 //===----------------------------------------------------------------------===//
2636 // __aeabi_read_tp preserves the registers r1-r3.
2638 Defs = [R0, R12, LR, CPSR] in {
2639 def TPsoft : ABXI<0b1011, (outs), (ins), IIC_Br,
2640 "bl\t__aeabi_read_tp",
2641 [(set R0, ARMthread_pointer)]>;
2644 //===----------------------------------------------------------------------===//
2645 // SJLJ Exception handling intrinsics
2646 // eh_sjlj_setjmp() is an instruction sequence to store the return
2647 // address and save #0 in R0 for the non-longjmp case.
2648 // Since by its nature we may be coming from some other function to get
2649 // here, and we're using the stack frame for the containing function to
2650 // save/restore registers, we can't keep anything live in regs across
2651 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
2652 // when we get here from a longjmp(). We force everthing out of registers
2653 // except for our own input by listing the relevant registers in Defs. By
2654 // doing so, we also cause the prologue/epilogue code to actively preserve
2655 // all of the callee-saved resgisters, which is exactly what we want.
2656 // A constant value is passed in $val, and we use the location as a scratch.
2658 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, D0,
2659 D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15,
2660 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26, D27, D28, D29, D30,
2661 D31 ], hasSideEffects = 1, isBarrier = 1 in {
2662 def Int_eh_sjlj_setjmp : XI<(outs), (ins GPR:$src, GPR:$val),
2663 AddrModeNone, SizeSpecial, IndexModeNone,
2664 Pseudo, NoItinerary,
2665 "add\t$val, pc, #8\t${:comment} eh_setjmp begin\n\t"
2666 "str\t$val, [$src, #+4]\n\t"
2668 "add\tpc, pc, #0\n\t"
2669 "mov\tr0, #1 ${:comment} eh_setjmp end", "",
2670 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
2671 Requires<[IsARM, HasVFP2]>;
2675 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR ],
2676 hasSideEffects = 1, isBarrier = 1 in {
2677 def Int_eh_sjlj_setjmp_nofp : XI<(outs), (ins GPR:$src, GPR:$val),
2678 AddrModeNone, SizeSpecial, IndexModeNone,
2679 Pseudo, NoItinerary,
2680 "add\t$val, pc, #8\n ${:comment} eh_setjmp begin\n\t"
2681 "str\t$val, [$src, #+4]\n\t"
2683 "add\tpc, pc, #0\n\t"
2684 "mov\tr0, #1 ${:comment} eh_setjmp end", "",
2685 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
2686 Requires<[IsARM, NoVFP]>;
2689 // FIXME: Non-Darwin version(s)
2690 let isBarrier = 1, hasSideEffects = 1, isTerminator = 1,
2691 Defs = [ R7, LR, SP ] in {
2692 def Int_eh_sjlj_longjmp : XI<(outs), (ins GPR:$src, GPR:$scratch),
2693 AddrModeNone, SizeSpecial, IndexModeNone,
2694 Pseudo, NoItinerary,
2695 "ldr\tsp, [$src, #8]\n\t"
2696 "ldr\t$scratch, [$src, #4]\n\t"
2697 "ldr\tr7, [$src]\n\t"
2699 [(ARMeh_sjlj_longjmp GPR:$src, GPR:$scratch)]>,
2700 Requires<[IsARM, IsDarwin]>;
2703 //===----------------------------------------------------------------------===//
2704 // Non-Instruction Patterns
2707 // Large immediate handling.
2709 // Two piece so_imms.
2710 let isReMaterializable = 1 in
2711 def MOVi2pieces : AI1x2<(outs GPR:$dst), (ins so_imm2part:$src),
2713 "mov", "\t$dst, $src",
2714 [(set GPR:$dst, so_imm2part:$src)]>,
2715 Requires<[IsARM, NoV6T2]>;
2717 def : ARMPat<(or GPR:$LHS, so_imm2part:$RHS),
2718 (ORRri (ORRri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
2719 (so_imm2part_2 imm:$RHS))>;
2720 def : ARMPat<(xor GPR:$LHS, so_imm2part:$RHS),
2721 (EORri (EORri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
2722 (so_imm2part_2 imm:$RHS))>;
2723 def : ARMPat<(add GPR:$LHS, so_imm2part:$RHS),
2724 (ADDri (ADDri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
2725 (so_imm2part_2 imm:$RHS))>;
2726 def : ARMPat<(add GPR:$LHS, so_neg_imm2part:$RHS),
2727 (SUBri (SUBri GPR:$LHS, (so_neg_imm2part_1 imm:$RHS)),
2728 (so_neg_imm2part_2 imm:$RHS))>;
2730 // 32-bit immediate using movw + movt.
2731 // This is a single pseudo instruction, the benefit is that it can be remat'd
2732 // as a single unit instead of having to handle reg inputs.
2733 // FIXME: Remove this when we can do generalized remat.
2734 let isReMaterializable = 1 in
2735 def MOVi32imm : AI1x2<(outs GPR:$dst), (ins i32imm:$src), Pseudo, IIC_iMOVi,
2736 "movw", "\t$dst, ${src:lo16}\n\tmovt${p}\t$dst, ${src:hi16}",
2737 [(set GPR:$dst, (i32 imm:$src))]>,
2738 Requires<[IsARM, HasV6T2]>;
2740 // ConstantPool, GlobalAddress, and JumpTable
2741 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>,
2742 Requires<[IsARM, DontUseMovt]>;
2743 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
2744 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
2745 Requires<[IsARM, UseMovt]>;
2746 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
2747 (LEApcrelJT tjumptable:$dst, imm:$id)>;
2749 // TODO: add,sub,and, 3-instr forms?
2752 def : ARMPat<(ARMtcret tcGPR:$dst),
2753 (TCRETURNri tcGPR:$dst)>, Requires<[IsDarwin]>;
2755 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
2756 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
2758 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
2759 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
2761 def : ARMPat<(ARMtcret tcGPR:$dst),
2762 (TCRETURNriND tcGPR:$dst)>, Requires<[IsNotDarwin]>;
2764 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
2765 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
2767 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
2768 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
2771 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>,
2772 Requires<[IsARM, IsNotDarwin]>;
2773 def : ARMPat<(ARMcall texternalsym:$func), (BLr9 texternalsym:$func)>,
2774 Requires<[IsARM, IsDarwin]>;
2776 // zextload i1 -> zextload i8
2777 def : ARMPat<(zextloadi1 addrmode2:$addr), (LDRB addrmode2:$addr)>;
2779 // extload -> zextload
2780 def : ARMPat<(extloadi1 addrmode2:$addr), (LDRB addrmode2:$addr)>;
2781 def : ARMPat<(extloadi8 addrmode2:$addr), (LDRB addrmode2:$addr)>;
2782 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
2784 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
2785 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
2788 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
2789 (sra (shl GPR:$b, (i32 16)), (i32 16))),
2790 (SMULBB GPR:$a, GPR:$b)>;
2791 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
2792 (SMULBB GPR:$a, GPR:$b)>;
2793 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
2794 (sra GPR:$b, (i32 16))),
2795 (SMULBT GPR:$a, GPR:$b)>;
2796 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
2797 (SMULBT GPR:$a, GPR:$b)>;
2798 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
2799 (sra (shl GPR:$b, (i32 16)), (i32 16))),
2800 (SMULTB GPR:$a, GPR:$b)>;
2801 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
2802 (SMULTB GPR:$a, GPR:$b)>;
2803 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
2805 (SMULWB GPR:$a, GPR:$b)>;
2806 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
2807 (SMULWB GPR:$a, GPR:$b)>;
2809 def : ARMV5TEPat<(add GPR:$acc,
2810 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
2811 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
2812 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
2813 def : ARMV5TEPat<(add GPR:$acc,
2814 (mul sext_16_node:$a, sext_16_node:$b)),
2815 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
2816 def : ARMV5TEPat<(add GPR:$acc,
2817 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
2818 (sra GPR:$b, (i32 16)))),
2819 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
2820 def : ARMV5TEPat<(add GPR:$acc,
2821 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
2822 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
2823 def : ARMV5TEPat<(add GPR:$acc,
2824 (mul (sra GPR:$a, (i32 16)),
2825 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
2826 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
2827 def : ARMV5TEPat<(add GPR:$acc,
2828 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
2829 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
2830 def : ARMV5TEPat<(add GPR:$acc,
2831 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
2833 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
2834 def : ARMV5TEPat<(add GPR:$acc,
2835 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
2836 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
2838 //===----------------------------------------------------------------------===//
2842 include "ARMInstrThumb.td"
2844 //===----------------------------------------------------------------------===//
2848 include "ARMInstrThumb2.td"
2850 //===----------------------------------------------------------------------===//
2851 // Floating Point Support
2854 include "ARMInstrVFP.td"
2856 //===----------------------------------------------------------------------===//
2857 // Advanced SIMD (NEON) Support
2860 include "ARMInstrNEON.td"
2862 //===----------------------------------------------------------------------===//
2863 // Coprocessor Instructions. For disassembly only.
2866 def CDP : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2867 nohash_imm:$CRd, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2868 NoItinerary, "cdp", "\tp$cop, $opc1, cr$CRd, cr$CRn, cr$CRm, $opc2",
2869 [/* For disassembly only; pattern left blank */]> {
2873 def CDP2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2874 nohash_imm:$CRd, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2875 NoItinerary, "cdp2\tp$cop, $opc1, cr$CRd, cr$CRn, cr$CRm, $opc2",
2876 [/* For disassembly only; pattern left blank */]> {
2877 let Inst{31-28} = 0b1111;
2881 class ACI<dag oops, dag iops, string opc, string asm>
2882 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, BrFrm, NoItinerary,
2883 opc, asm, "", [/* For disassembly only; pattern left blank */]> {
2884 let Inst{27-25} = 0b110;
2887 multiclass LdStCop<bits<4> op31_28, bit load, string opc> {
2889 def _OFFSET : ACI<(outs),
2890 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
2891 opc, "\tp$cop, cr$CRd, $addr"> {
2892 let Inst{31-28} = op31_28;
2893 let Inst{24} = 1; // P = 1
2894 let Inst{21} = 0; // W = 0
2895 let Inst{22} = 0; // D = 0
2896 let Inst{20} = load;
2899 def _PRE : ACI<(outs),
2900 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
2901 opc, "\tp$cop, cr$CRd, $addr!"> {
2902 let Inst{31-28} = op31_28;
2903 let Inst{24} = 1; // P = 1
2904 let Inst{21} = 1; // W = 1
2905 let Inst{22} = 0; // D = 0
2906 let Inst{20} = load;
2909 def _POST : ACI<(outs),
2910 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
2911 opc, "\tp$cop, cr$CRd, [$base], $offset"> {
2912 let Inst{31-28} = op31_28;
2913 let Inst{24} = 0; // P = 0
2914 let Inst{21} = 1; // W = 1
2915 let Inst{22} = 0; // D = 0
2916 let Inst{20} = load;
2919 def _OPTION : ACI<(outs),
2920 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, i32imm:$option),
2921 opc, "\tp$cop, cr$CRd, [$base], $option"> {
2922 let Inst{31-28} = op31_28;
2923 let Inst{24} = 0; // P = 0
2924 let Inst{23} = 1; // U = 1
2925 let Inst{21} = 0; // W = 0
2926 let Inst{22} = 0; // D = 0
2927 let Inst{20} = load;
2930 def L_OFFSET : ACI<(outs),
2931 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
2932 !strconcat(opc, "l"), "\tp$cop, cr$CRd, $addr"> {
2933 let Inst{31-28} = op31_28;
2934 let Inst{24} = 1; // P = 1
2935 let Inst{21} = 0; // W = 0
2936 let Inst{22} = 1; // D = 1
2937 let Inst{20} = load;
2940 def L_PRE : ACI<(outs),
2941 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
2942 !strconcat(opc, "l"), "\tp$cop, cr$CRd, $addr!"> {
2943 let Inst{31-28} = op31_28;
2944 let Inst{24} = 1; // P = 1
2945 let Inst{21} = 1; // W = 1
2946 let Inst{22} = 1; // D = 1
2947 let Inst{20} = load;
2950 def L_POST : ACI<(outs),
2951 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
2952 !strconcat(opc, "l"), "\tp$cop, cr$CRd, [$base], $offset"> {
2953 let Inst{31-28} = op31_28;
2954 let Inst{24} = 0; // P = 0
2955 let Inst{21} = 1; // W = 1
2956 let Inst{22} = 1; // D = 1
2957 let Inst{20} = load;
2960 def L_OPTION : ACI<(outs),
2961 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, nohash_imm:$option),
2962 !strconcat(opc, "l"), "\tp$cop, cr$CRd, [$base], $option"> {
2963 let Inst{31-28} = op31_28;
2964 let Inst{24} = 0; // P = 0
2965 let Inst{23} = 1; // U = 1
2966 let Inst{21} = 0; // W = 0
2967 let Inst{22} = 1; // D = 1
2968 let Inst{20} = load;
2972 defm LDC : LdStCop<{?,?,?,?}, 1, "ldc">;
2973 defm LDC2 : LdStCop<0b1111, 1, "ldc2">;
2974 defm STC : LdStCop<{?,?,?,?}, 0, "stc">;
2975 defm STC2 : LdStCop<0b1111, 0, "stc2">;
2977 def MCR : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2978 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2979 NoItinerary, "mcr", "\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
2980 [/* For disassembly only; pattern left blank */]> {
2985 def MCR2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2986 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2987 NoItinerary, "mcr2\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
2988 [/* For disassembly only; pattern left blank */]> {
2989 let Inst{31-28} = 0b1111;
2994 def MRC : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2995 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2996 NoItinerary, "mrc", "\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
2997 [/* For disassembly only; pattern left blank */]> {
3002 def MRC2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3003 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3004 NoItinerary, "mrc2\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3005 [/* For disassembly only; pattern left blank */]> {
3006 let Inst{31-28} = 0b1111;
3011 def MCRR : ABI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3012 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3013 NoItinerary, "mcrr", "\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3014 [/* For disassembly only; pattern left blank */]> {
3015 let Inst{23-20} = 0b0100;
3018 def MCRR2 : ABXI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3019 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3020 NoItinerary, "mcrr2\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3021 [/* For disassembly only; pattern left blank */]> {
3022 let Inst{31-28} = 0b1111;
3023 let Inst{23-20} = 0b0100;
3026 def MRRC : ABI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3027 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3028 NoItinerary, "mrrc", "\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3029 [/* For disassembly only; pattern left blank */]> {
3030 let Inst{23-20} = 0b0101;
3033 def MRRC2 : ABXI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3034 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3035 NoItinerary, "mrrc2\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3036 [/* For disassembly only; pattern left blank */]> {
3037 let Inst{31-28} = 0b1111;
3038 let Inst{23-20} = 0b0101;
3041 //===----------------------------------------------------------------------===//
3042 // Move between special register and ARM core register -- for disassembly only
3045 def MRS : ABI<0b0001,(outs GPR:$dst),(ins), NoItinerary, "mrs", "\t$dst, cpsr",
3046 [/* For disassembly only; pattern left blank */]> {
3047 let Inst{23-20} = 0b0000;
3048 let Inst{7-4} = 0b0000;
3051 def MRSsys : ABI<0b0001,(outs GPR:$dst),(ins), NoItinerary,"mrs","\t$dst, spsr",
3052 [/* For disassembly only; pattern left blank */]> {
3053 let Inst{23-20} = 0b0100;
3054 let Inst{7-4} = 0b0000;
3057 def MSR : ABI<0b0001, (outs), (ins GPR:$src, msr_mask:$mask), NoItinerary,
3058 "msr", "\tcpsr$mask, $src",
3059 [/* For disassembly only; pattern left blank */]> {
3060 let Inst{23-20} = 0b0010;
3061 let Inst{7-4} = 0b0000;
3064 def MSRi : ABI<0b0011, (outs), (ins so_imm:$a, msr_mask:$mask), NoItinerary,
3065 "msr", "\tcpsr$mask, $a",
3066 [/* For disassembly only; pattern left blank */]> {
3067 let Inst{23-20} = 0b0010;
3068 let Inst{7-4} = 0b0000;
3071 def MSRsys : ABI<0b0001, (outs), (ins GPR:$src, msr_mask:$mask), NoItinerary,
3072 "msr", "\tspsr$mask, $src",
3073 [/* For disassembly only; pattern left blank */]> {
3074 let Inst{23-20} = 0b0110;
3075 let Inst{7-4} = 0b0000;
3078 def MSRsysi : ABI<0b0011, (outs), (ins so_imm:$a, msr_mask:$mask), NoItinerary,
3079 "msr", "\tspsr$mask, $a",
3080 [/* For disassembly only; pattern left blank */]> {
3081 let Inst{23-20} = 0b0110;
3082 let Inst{7-4} = 0b0000;